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-rw-r--r--Documentation/powerpc/cxlflash.txt5
-rw-r--r--Documentation/scsi/scsi_eh.txt30
-rw-r--r--MAINTAINERS1
-rw-r--r--drivers/message/fusion/mptbase.c2
-rw-r--r--drivers/message/fusion/mptfc.c7
-rw-r--r--drivers/message/fusion/mptscsih.c2
-rw-r--r--drivers/message/fusion/mptspi.c10
-rw-r--r--drivers/misc/enclosure.c7
-rw-r--r--drivers/scsi/BusLogic.c14
-rw-r--r--drivers/scsi/BusLogic.h2
-rw-r--r--drivers/scsi/aacraid/aachba.c13
-rw-r--r--drivers/scsi/aacraid/commctrl.c6
-rw-r--r--drivers/scsi/aacraid/comminit.c3
-rw-r--r--drivers/scsi/aacraid/commsup.c20
-rw-r--r--drivers/scsi/aacraid/linit.c8
-rw-r--r--drivers/scsi/aacraid/rx.c16
-rw-r--r--drivers/scsi/advansys.c21
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_pci.c4
-rw-r--r--drivers/scsi/aic94xx/aic94xx_init.c1
-rw-r--r--drivers/scsi/be2iscsi/be.h12
-rw-r--r--drivers/scsi/be2iscsi/be_cmds.c17
-rw-r--r--drivers/scsi/be2iscsi/be_cmds.h74
-rw-r--r--drivers/scsi/be2iscsi/be_iscsi.c111
-rw-r--r--drivers/scsi/be2iscsi/be_iscsi.h13
-rw-r--r--drivers/scsi/be2iscsi/be_main.c397
-rw-r--r--drivers/scsi/be2iscsi/be_main.h30
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c140
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.h43
-rw-r--r--drivers/scsi/bfa/bfa_core.c66
-rw-r--r--drivers/scsi/bfa/bfa_fcpim.c37
-rw-r--r--drivers/scsi/bfa/bfa_fcs_lport.c31
-rw-r--r--drivers/scsi/bfa/bfa_ioc.c30
-rw-r--r--drivers/scsi/bfa/bfa_modules.h101
-rw-r--r--drivers/scsi/bfa/bfa_svc.c172
-rw-r--r--drivers/scsi/csiostor/csio_hw.h1
-rw-r--r--drivers/scsi/csiostor/csio_isr.c128
-rw-r--r--drivers/scsi/cxgbi/cxgb4i/cxgb4i.c2
-rw-r--r--drivers/scsi/cxlflash/common.h137
-rw-r--r--drivers/scsi/cxlflash/lunmgt.c4
-rw-r--r--drivers/scsi/cxlflash/main.c1162
-rw-r--r--drivers/scsi/cxlflash/main.h2
-rw-r--r--drivers/scsi/cxlflash/sislite.h124
-rw-r--r--drivers/scsi/cxlflash/superpipe.c16
-rw-r--r--drivers/scsi/cxlflash/superpipe.h56
-rw-r--r--drivers/scsi/cxlflash/vlun.c99
-rw-r--r--drivers/scsi/cxlflash/vlun.h2
-rw-r--r--drivers/scsi/esas2r/esas2r_log.c5
-rw-r--r--drivers/scsi/fcoe/fcoe.c4
-rw-r--r--drivers/scsi/fnic/fnic.h3
-rw-r--r--drivers/scsi/fnic/fnic_fcs.c23
-rw-r--r--drivers/scsi/fnic/fnic_isr.c41
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c105
-rw-r--r--drivers/scsi/fnic/fnic_stats.h16
-rw-r--r--drivers/scsi/fnic/fnic_trace.c49
-rw-r--r--drivers/scsi/hisi_sas/Kconfig1
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas.h19
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c471
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v1_hw.c19
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v2_hw.c1201
-rw-r--r--drivers/scsi/hpsa.c6
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c6
-rw-r--r--drivers/scsi/ipr.c259
-rw-r--r--drivers/scsi/ipr.h4
-rw-r--r--drivers/scsi/isci/init.c1
-rw-r--r--drivers/scsi/libfc/fc_fcp.c6
-rw-r--r--drivers/scsi/libfc/fc_lport.c20
-rw-r--r--drivers/scsi/libiscsi.c8
-rw-r--r--drivers/scsi/libsas/sas_init.c7
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c5
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c4
-rw-r--r--drivers/scsi/mac_esp.c35
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c2
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_scsih.c1
-rw-r--r--drivers/scsi/mvsas/mv_init.c1
-rw-r--r--drivers/scsi/mvumi.c85
-rw-r--r--drivers/scsi/osd/osd_uld.c15
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c1
-rw-r--r--drivers/scsi/pmcraid.c234
-rw-r--r--drivers/scsi/pmcraid.h8
-rw-r--r--drivers/scsi/qedf/qedf_debugfs.c2
-rw-r--r--drivers/scsi/qedi/qedi_debugfs.c2
-rw-r--r--drivers/scsi/qedi/qedi_iscsi.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c6
-rw-r--r--drivers/scsi/qla4xxx/ql4_init.c2
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c1
-rw-r--r--drivers/scsi/scsi_error.c184
-rw-r--r--drivers/scsi/scsi_lib.c4
-rw-r--r--drivers/scsi/scsi_priv.h3
-rw-r--r--drivers/scsi/scsi_transport_fc.c12
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c3
-rw-r--r--drivers/scsi/scsi_transport_sas.c8
-rw-r--r--drivers/scsi/sd.c127
-rw-r--r--drivers/scsi/sd.h14
-rw-r--r--drivers/scsi/sd_zbc.c58
-rw-r--r--drivers/scsi/ses.c1
-rw-r--r--drivers/scsi/sg.c284
-rw-r--r--drivers/scsi/sgiwd93.c2
-rw-r--r--drivers/scsi/sni_53c710.c2
-rw-r--r--drivers/scsi/snic/snic_debugfs.c2
-rw-r--r--drivers/scsi/stex.c287
-rw-r--r--drivers/scsi/storvsc_drv.c27
-rw-r--r--drivers/scsi/ufs/ufshcd.c102
-rw-r--r--drivers/scsi/ufs/ufshci.h6
-rw-r--r--drivers/scsi/virtio_scsi.c24
-rw-r--r--drivers/scsi/zalon.c2
-rw-r--r--include/scsi/libfc.h3
-rw-r--r--include/scsi/libiscsi.h3
-rw-r--r--include/scsi/libsas.h1
-rw-r--r--include/scsi/scsi_device.h2
-rw-r--r--include/scsi/scsi_driver.h1
-rw-r--r--include/scsi/scsi_eh.h5
-rw-r--r--include/scsi/scsi_host.h5
-rw-r--r--include/scsi/scsi_transport_fc.h1
-rw-r--r--include/scsi/sg.h1
119 files changed, 4299 insertions, 2748 deletions
diff --git a/Documentation/powerpc/cxlflash.txt b/Documentation/powerpc/cxlflash.txt
index 6d9a2ed32cad..66b4496d6619 100644
--- a/Documentation/powerpc/cxlflash.txt
+++ b/Documentation/powerpc/cxlflash.txt
@@ -239,6 +239,11 @@ DK_CXLFLASH_USER_VIRTUAL
resource handle that is provided is already referencing provisioned
storage. This is reflected by the last LBA being a non-zero value.
+ When a LUN is accessible from more than one port, this ioctl will
+ return with the DK_CXLFLASH_ALL_PORTS_ACTIVE return flag set. This
+ provides the user with a hint that I/O can be retried in the event
+ of an I/O error as the LUN can be reached over multiple paths.
+
DK_CXLFLASH_VLUN_RESIZE
-----------------------
This ioctl is responsible for resizing a previously created virtual
diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt
index 37eca00796ee..11e447bdb3a5 100644
--- a/Documentation/scsi/scsi_eh.txt
+++ b/Documentation/scsi/scsi_eh.txt
@@ -70,7 +70,7 @@ with the command.
scmd is requeued to blk queue.
- otherwise
- scsi_eh_scmd_add(scmd, 0) is invoked for the command. See
+ scsi_eh_scmd_add(scmd) is invoked for the command. See
[1-3] for details of this function.
@@ -103,13 +103,14 @@ function
eh_timed_out() callback did not handle the command.
Step #2 is taken.
- 2. If the host supports asynchronous completion (as indicated by the
- no_async_abort setting in the host template) scsi_abort_command()
- is invoked to schedule an asynchrous abort. If that fails
- Step #3 is taken.
+ 2. scsi_abort_command() is invoked to schedule an asynchrous abort.
+ Asynchronous abort are not invoked for commands which the
+ SCSI_EH_ABORT_SCHEDULED flag is set (this indicates that the command
+ already had been aborted once, and this is a retry which failed),
+ or when the EH deadline is expired. In these case Step #3 is taken.
- 2. scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD) is invoked for the
- command. See [1-3] for more information.
+ 3. scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD) is invoked for the
+ command. See [1-4] for more information.
[1-3] Asynchronous command aborts
@@ -124,16 +125,13 @@ function
scmds enter EH via scsi_eh_scmd_add(), which does the following.
- 1. Turns on scmd->eh_eflags as requested. It's 0 for error
- completions and SCSI_EH_CANCEL_CMD for timeouts.
+ 1. Links scmd->eh_entry to shost->eh_cmd_q
- 2. Links scmd->eh_entry to shost->eh_cmd_q
+ 2. Sets SHOST_RECOVERY bit in shost->shost_state
- 3. Sets SHOST_RECOVERY bit in shost->shost_state
+ 3. Increments shost->host_failed
- 4. Increments shost->host_failed
-
- 5. Wakes up SCSI EH thread if shost->host_busy == shost->host_failed
+ 4. Wakes up SCSI EH thread if shost->host_busy == shost->host_failed
As can be seen above, once any scmd is added to shost->eh_cmd_q,
SHOST_RECOVERY shost_state bit is turned on. This prevents any new
@@ -249,7 +247,6 @@ scmd->allowed.
1. Error completion / time out
ACTION: scsi_eh_scmd_add() is invoked for scmd
- - set scmd->eh_eflags
- add scmd to shost->eh_cmd_q
- set SHOST_RECOVERY
- shost->host_failed++
@@ -263,7 +260,6 @@ scmd->allowed.
3. scmd recovered
ACTION: scsi_eh_finish_cmd() is invoked to EH-finish scmd
- - clear scmd->eh_eflags
- scsi_setup_cmd_retry()
- move from local eh_work_q to local eh_done_q
LOCKING: none
@@ -456,8 +452,6 @@ except for #1 must be implemented by eh_strategy_handler().
- shost->host_failed is zero.
- - Each scmd's eh_eflags field is cleared.
-
- Each scmd is in such a state that scsi_setup_cmd_retry() on the
scmd doesn't make any difference.
diff --git a/MAINTAINERS b/MAINTAINERS
index 4f04a2bc305e..f72bf454516d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10079,7 +10079,6 @@ F: drivers/scsi/pmcraid.*
PMC SIERRA PM8001 DRIVER
M: Jack Wang <jinpu.wang@profitbricks.com>
M: lindar_liu@usish.com
-L: pmchba@pmcs.com
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/pm8001/
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 1e73064b0fb2..62cff5afc6bd 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -7396,7 +7396,7 @@ mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
break;
case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
snprintf(evStr, EVENT_DESCR_STR_SZ,
- "SAS Device Status Change: No Persistancy: "
+ "SAS Device Status Change: No Persistency: "
"id=%d channel=%d", id, channel);
break;
case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 98eafae78576..d065062240bc 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -1329,7 +1329,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
WQ_MEM_RECLAIM);
if (!ioc->fc_rescan_work_q) {
error = -ENOMEM;
- goto out_mptfc_probe;
+ goto out_mptfc_host;
}
/*
@@ -1351,6 +1351,9 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
+out_mptfc_host:
+ scsi_remove_host(sh);
+
out_mptfc_probe:
mptscsih_remove(pdev);
@@ -1530,6 +1533,8 @@ static void mptfc_remove(struct pci_dev *pdev)
}
}
+ scsi_remove_host(ioc->sh);
+
mptscsih_remove(pdev);
}
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 08a807d6a44f..6ba07c7feb92 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1176,8 +1176,6 @@ mptscsih_remove(struct pci_dev *pdev)
MPT_SCSI_HOST *hd;
int sz1;
- scsi_remove_host(host);
-
if((hd = shost_priv(host)) == NULL)
return;
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 031e088edb5e..9a336a161d9f 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -1548,11 +1548,19 @@ out_mptspi_probe:
return error;
}
+static void mptspi_remove(struct pci_dev *pdev)
+{
+ MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+
+ scsi_remove_host(ioc->sh);
+ mptscsih_remove(pdev);
+}
+
static struct pci_driver mptspi_driver = {
.name = "mptspi",
.id_table = mptspi_pci_table,
.probe = mptspi_probe,
- .remove = mptscsih_remove,
+ .remove = mptspi_remove,
.shutdown = mptscsih_shutdown,
#ifdef CONFIG_PM
.suspend = mptscsih_suspend,
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 65fed7146e9b..d3fe3ea902d4 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -148,7 +148,7 @@ enclosure_register(struct device *dev, const char *name, int components,
for (i = 0; i < components; i++) {
edev->component[i].number = -1;
edev->component[i].slot = -1;
- edev->component[i].power_status = 1;
+ edev->component[i].power_status = -1;
}
mutex_lock(&container_list_lock);
@@ -594,6 +594,11 @@ static ssize_t get_component_power_status(struct device *cdev,
if (edev->cb->get_power_status)
edev->cb->get_power_status(edev, ecomp);
+
+ /* If still uninitialized, the callback failed or does not exist. */
+ if (ecomp->power_status == -1)
+ return (edev->cb->get_power_status) ? -EIO : -ENOTTY;
+
return snprintf(buf, 40, "%s\n", ecomp->power_status ? "on" : "off");
}
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index c7be7bb37209..35380a58d3f0 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -3009,7 +3009,7 @@ static int blogic_hostreset(struct scsi_cmnd *SCpnt)
spin_lock_irq(SCpnt->device->host->host_lock);
- blogic_inc_count(&stats->adatper_reset_req);
+ blogic_inc_count(&stats->adapter_reset_req);
rc = blogic_resetadapter(adapter, false);
spin_unlock_irq(SCpnt->device->host->host_lock);
@@ -3560,8 +3560,16 @@ Target Requested Completed Requested Completed Requested Completed\n\
struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt];
if (!tgt_flags->tgt_exists)
continue;
- seq_printf(m, "\
- %2d %5d %5d %5d %5d %5d %5d %5d %5d %5d\n", tgt, tgt_stats[tgt].aborts_request, tgt_stats[tgt].aborts_tried, tgt_stats[tgt].aborts_done, tgt_stats[tgt].bdr_request, tgt_stats[tgt].bdr_tried, tgt_stats[tgt].bdr_done, tgt_stats[tgt].adatper_reset_req, tgt_stats[tgt].adapter_reset_attempt, tgt_stats[tgt].adapter_reset_done);
+ seq_printf(m, " %2d %5d %5d %5d %5d %5d %5d %5d %5d %5d\n",
+ tgt, tgt_stats[tgt].aborts_request,
+ tgt_stats[tgt].aborts_tried,
+ tgt_stats[tgt].aborts_done,
+ tgt_stats[tgt].bdr_request,
+ tgt_stats[tgt].bdr_tried,
+ tgt_stats[tgt].bdr_done,
+ tgt_stats[tgt].adapter_reset_req,
+ tgt_stats[tgt].adapter_reset_attempt,
+ tgt_stats[tgt].adapter_reset_done);
}
seq_printf(m, "\nExternal Host Adapter Resets: %d\n", adapter->ext_resets);
seq_printf(m, "Host Adapter Internal Errors: %d\n", adapter->adapter_intern_errors);
diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h
index b53ec2f1e8cd..8d47e2c88d24 100644
--- a/drivers/scsi/BusLogic.h
+++ b/drivers/scsi/BusLogic.h
@@ -935,7 +935,7 @@ struct blogic_tgt_stats {
unsigned short bdr_request;
unsigned short bdr_tried;
unsigned short bdr_done;
- unsigned short adatper_reset_req;
+ unsigned short adapter_reset_req;
unsigned short adapter_reset_attempt;
unsigned short adapter_reset_done;
};
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index e3e93def722b..43d88389e899 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1678,8 +1678,8 @@ int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target)
sizeof(struct sgentry) + sizeof(struct sgentry64);
datasize = sizeof(struct aac_ciss_identify_pd);
- identify_resp = pci_alloc_consistent(dev->pdev, datasize, &addr);
-
+ identify_resp = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
+ GFP_KERNEL);
if (!identify_resp)
goto fib_free_ptr;
@@ -1720,7 +1720,7 @@ int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target)
dev->hba_map[bus][target].qd_limit =
identify_resp->current_queue_depth_limit;
- pci_free_consistent(dev->pdev, datasize, (void *)identify_resp, addr);
+ dma_free_coherent(&dev->pdev->dev, datasize, identify_resp, addr);
aac_fib_complete(fibptr);
@@ -1814,9 +1814,8 @@ int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan)
datasize = sizeof(struct aac_ciss_phys_luns_resp)
+ (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
- phys_luns = (struct aac_ciss_phys_luns_resp *) pci_alloc_consistent(
- dev->pdev, datasize, &addr);
-
+ phys_luns = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
+ GFP_KERNEL);
if (phys_luns == NULL) {
rcode = -ENOMEM;
goto err_out;
@@ -1861,7 +1860,7 @@ int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan)
aac_update_hba_map(dev, phys_luns, rescan);
}
- pci_free_consistent(dev->pdev, datasize, (void *) phys_luns, addr);
+ dma_free_coherent(&dev->pdev->dev, datasize, phys_luns, addr);
err_out:
return rcode;
}
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index f6afd50579c0..d2f8d5954840 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -100,7 +100,8 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
goto cleanup;
}
- kfib = pci_alloc_consistent(dev->pdev, size, &daddr);
+ kfib = dma_alloc_coherent(&dev->pdev->dev, size, &daddr,
+ GFP_KERNEL);
if (!kfib) {
retval = -ENOMEM;
goto cleanup;
@@ -160,7 +161,8 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
retval = -EFAULT;
cleanup:
if (hw_fib) {
- pci_free_consistent(dev->pdev, size, kfib, fibptr->hw_fib_pa);
+ dma_free_coherent(&dev->pdev->dev, size, kfib,
+ fibptr->hw_fib_pa);
fibptr->hw_fib_pa = hw_fib_pa;
fibptr->hw_fib_va = hw_fib;
}
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 35607005f7e1..1151505853cf 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -99,8 +99,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
size = fibsize + aac_init_size + commsize + commalign +
printfbufsiz + host_rrq_size;
- base = pci_alloc_consistent(dev->pdev, size, &phys);
-
+ base = dma_alloc_coherent(&dev->pdev->dev, size, &phys, GFP_KERNEL);
if (base == NULL) {
printk(KERN_ERR "aacraid: unable to create mapping.\n");
return 0;
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 1f4918355fdb..7a1b8a2ce658 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -73,13 +73,13 @@ static int fib_map_alloc(struct aac_dev *dev)
}
dprintk((KERN_INFO
- "allocate hardware fibs pci_alloc_consistent(%p, %d * (%d + %d), %p)\n",
- dev->pdev, dev->max_cmd_size, dev->scsi_host_ptr->can_queue,
+ "allocate hardware fibs dma_alloc_coherent(%p, %d * (%d + %d), %p)\n",
+ &dev->pdev->dev, dev->max_cmd_size, dev->scsi_host_ptr->can_queue,
AAC_NUM_MGT_FIB, &dev->hw_fib_pa));
- dev->hw_fib_va = pci_alloc_consistent(dev->pdev,
+ dev->hw_fib_va = dma_alloc_coherent(&dev->pdev->dev,
(dev->max_cmd_size + sizeof(struct aac_fib_xporthdr))
* (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) + (ALIGN32 - 1),
- &dev->hw_fib_pa);
+ &dev->hw_fib_pa, GFP_KERNEL);
if (dev->hw_fib_va == NULL)
return -ENOMEM;
return 0;
@@ -106,8 +106,8 @@ void aac_fib_map_free(struct aac_dev *dev)
fib_size = dev->max_fib_size + sizeof(struct aac_fib_xporthdr);
alloc_size = fib_size * num_fibs + ALIGN32 - 1;
- pci_free_consistent(dev->pdev, alloc_size, dev->hw_fib_va,
- dev->hw_fib_pa);
+ dma_free_coherent(&dev->pdev->dev, alloc_size, dev->hw_fib_va,
+ dev->hw_fib_pa);
dev->hw_fib_va = NULL;
dev->hw_fib_pa = 0;
@@ -1571,7 +1571,8 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
* case.
*/
aac_fib_map_free(aac);
- pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
+ dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
+ aac->comm_phys);
aac->comm_addr = NULL;
aac->comm_phys = 0;
kfree(aac->queues);
@@ -2319,7 +2320,8 @@ static int aac_send_wellness_command(struct aac_dev *dev, char *wellness_str,
if (!fibptr)
goto out;
- dma_buf = pci_alloc_consistent(dev->pdev, datasize, &addr);
+ dma_buf = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
+ GFP_KERNEL);
if (!dma_buf)
goto fib_free_out;
@@ -2354,7 +2356,7 @@ static int aac_send_wellness_command(struct aac_dev *dev, char *wellness_str,
ret = aac_fib_send(ScsiPortCommand64, fibptr, sizeof(struct aac_srb),
FsaNormal, 1, 1, NULL, NULL);
- pci_free_consistent(dev->pdev, datasize, (void *)dma_buf, addr);
+ dma_free_coherent(&dev->pdev->dev, datasize, dma_buf, addr);
/*
* Do not set XferState to zero unless
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 520ada8266af..372a07533026 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1592,8 +1592,8 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
out_unmap:
aac_fib_map_free(aac);
if (aac->comm_addr)
- pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
- aac->comm_phys);
+ dma_free_coherent(&aac->pdev->dev, aac->comm_size,
+ aac->comm_addr, aac->comm_phys);
kfree(aac->queues);
aac_adapter_ioremap(aac, 0);
kfree(aac->fibs);
@@ -1729,8 +1729,8 @@ static void aac_remove_one(struct pci_dev *pdev)
__aac_shutdown(aac);
aac_fib_map_free(aac);
- pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
- aac->comm_phys);
+ dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
+ aac->comm_phys);
kfree(aac->queues);
aac_adapter_ioremap(aac, 0);
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 5d19c31e3bba..93ef7c37e568 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -355,14 +355,16 @@ static int aac_rx_check_health(struct aac_dev *dev)
if (likely((status & 0xFF000000L) == 0xBC000000L))
return (status >> 16) & 0xFF;
- buffer = pci_alloc_consistent(dev->pdev, 512, &baddr);
+ buffer = dma_alloc_coherent(&dev->pdev->dev, 512, &baddr,
+ GFP_KERNEL);
ret = -2;
if (unlikely(buffer == NULL))
return ret;
- post = pci_alloc_consistent(dev->pdev,
- sizeof(struct POSTSTATUS), &paddr);
+ post = dma_alloc_coherent(&dev->pdev->dev,
+ sizeof(struct POSTSTATUS), &paddr,
+ GFP_KERNEL);
if (unlikely(post == NULL)) {
- pci_free_consistent(dev->pdev, 512, buffer, baddr);
+ dma_free_coherent(&dev->pdev->dev, 512, buffer, baddr);
return ret;
}
memset(buffer, 0, 512);
@@ -371,13 +373,13 @@ static int aac_rx_check_health(struct aac_dev *dev)
rx_writel(dev, MUnit.IMRx[0], paddr);
rx_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0,
NULL, NULL, NULL, NULL, NULL);
- pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS),
- post, paddr);
+ dma_free_coherent(&dev->pdev->dev, sizeof(struct POSTSTATUS),
+ post, paddr);
if (likely((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X')))) {
ret = (hex_to_bin(buffer[2]) << 4) +
hex_to_bin(buffer[3]);
}
- pci_free_consistent(dev->pdev, 512, buffer, baddr);
+ dma_free_coherent(&dev->pdev->dev, 512, buffer, baddr);
return ret;
}
/*
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 81dd0927246b..24e57e770432 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -6291,18 +6291,17 @@ static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
static uchar
AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
{
- EXT_MSG sdtr_buf;
- uchar sdtr_period_index;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- sdtr_buf.msg_type = EXTENDED_MESSAGE;
- sdtr_buf.msg_len = MS_SDTR_LEN;
- sdtr_buf.msg_req = EXTENDED_SDTR;
- sdtr_buf.xfer_period = sdtr_period;
+ PortAddr iop_base = asc_dvc->iop_base;
+ uchar sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
+ EXT_MSG sdtr_buf = {
+ .msg_type = EXTENDED_MESSAGE,
+ .msg_len = MS_SDTR_LEN,
+ .msg_req = EXTENDED_SDTR,
+ .xfer_period = sdtr_period,
+ .req_ack_offset = sdtr_offset,
+ };
sdtr_offset &= ASC_SYN_MAX_OFFSET;
- sdtr_buf.req_ack_offset = sdtr_offset;
- sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
+
if (sdtr_period_index <= asc_dvc->max_sdtr_index) {
AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
(uchar *)&sdtr_buf,
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index 22d5a949ec83..673e826d7adb 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -601,8 +601,8 @@ static const u_int ahc_num_pci_devs = ARRAY_SIZE(ahc_pci_ident_table);
#define STA 0x08
#define DPR 0x01
-static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
- uint16_t subvendor, uint16_t subdevice);
+static int ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
+ uint16_t subdevice, uint16_t subvendor);
static int ahc_ext_scbram_present(struct ahc_softc *ahc);
static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
int pcheck, int fast, int large);
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 662b2321d1b0..a14ba7a6b81e 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -703,7 +703,6 @@ static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
{
int err;
- scsi_remove_host(asd_ha->sas_ha.core.shost);
err = sas_unregister_ha(&asd_ha->sas_ha);
sas_remove_host(asd_ha->sas_ha.core.shost);
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h
index ca9440fb2325..55e3f8b40eb3 100644
--- a/drivers/scsi/be2iscsi/be.h
+++ b/drivers/scsi/be2iscsi/be.h
@@ -1,18 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#ifndef BEISCSI_H
@@ -154,7 +151,6 @@ struct be_ctrl_info {
#define PAGE_SHIFT_4K 12
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
#define mcc_timeout 120000 /* 12s timeout */
-#define BEISCSI_LOGOUT_SYNC_DELAY 250
/* Returns number of pages spanned by the data starting at the given addr */
#define PAGES_4K_SPANNED(_address, size) \
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 5d59e2630ce6..a79a5e72c777 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -1,18 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#include <scsi/iscsi_proto.h>
@@ -246,6 +243,12 @@ int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
{
int rc = 0;
+ if (!tag || tag > MAX_MCC_CMD) {
+ __beiscsi_log(phba, KERN_ERR,
+ "BC_%d : invalid tag %u\n", tag);
+ return -EINVAL;
+ }
+
if (beiscsi_hba_in_error(phba)) {
clear_bit(MCC_TAG_STATE_RUNNING,
&phba->ctrl.ptag_state[tag].tag_state);
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index 1d40e83b0790..d9b6773facdb 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -1,18 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#ifndef BEISCSI_CMDS_H
@@ -1145,24 +1142,49 @@ struct tcp_connect_and_offload_out {
#define DB_DEF_PDU_EVENT_SHIFT 15
#define DB_DEF_PDU_CQPROC_SHIFT 16
-struct dmsg_cqe {
- u32 dw[4];
+struct be_invalidate_connection_params_in {
+ struct be_cmd_req_hdr hdr;
+ u32 session_handle;
+ u16 cid;
+ u16 unused;
+#define BE_CLEANUP_TYPE_INVALIDATE 0x8001
+#define BE_CLEANUP_TYPE_ISSUE_TCP_RST 0x8002
+ u16 cleanup_type;
+ u16 save_cfg;
+} __packed;
+
+struct be_invalidate_connection_params_out {
+ u32 session_handle;
+ u16 cid;
+ u16 unused;
+} __packed;
+
+union be_invalidate_connection_params {
+ struct be_invalidate_connection_params_in req;
+ struct be_invalidate_connection_params_out resp;
} __packed;
-struct tcp_upload_params_in {
+struct be_tcp_upload_params_in {
struct be_cmd_req_hdr hdr;
u16 id;
+#define BE_UPLOAD_TYPE_GRACEFUL 1
+/* abortive upload with reset */
+#define BE_UPLOAD_TYPE_ABORT_RESET 2
+/* abortive upload without reset */
+#define BE_UPLOAD_TYPE_ABORT 3
+/* abortive upload with reset, sequence number by driver */
+#define BE_UPLOAD_TYPE_ABORT_WITH_SEQ 4
u16 upload_type;
u32 reset_seq;
} __packed;
-struct tcp_upload_params_out {
+struct be_tcp_upload_params_out {
u32 dw[32];
} __packed;
-union tcp_upload_params {
- struct tcp_upload_params_in request;
- struct tcp_upload_params_out response;
+union be_tcp_upload_params {
+ struct be_tcp_upload_params_in request;
+ struct be_tcp_upload_params_out response;
} __packed;
struct be_ulp_fw_cfg {
@@ -1243,10 +1265,7 @@ struct be_cmd_get_port_name {
#define OPCODE_COMMON_WRITE_FLASH 96
#define OPCODE_COMMON_READ_FLASH 97
-/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
#define CMD_ISCSI_COMMAND_INVALIDATE 1
-#define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001
-#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002
#define INI_WR_CMD 1 /* Initiator write command */
#define INI_TMF_CMD 2 /* Initiator TMF command */
@@ -1269,27 +1288,6 @@ struct be_cmd_get_port_name {
* preparedby
* driver should not be touched
*/
-/* --- CMD_CHUTE_TYPE --- */
-#define CMD_CONNECTION_CHUTE_0 1
-#define CMD_CONNECTION_CHUTE_1 2
-#define CMD_CONNECTION_CHUTE_2 3
-
-#define EQ_MAJOR_CODE_COMPLETION 0
-
-#define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
-#define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
-
-/* --- CONNECTION_UPLOAD_PARAMS --- */
-/* These parameters are used to define the type of upload desired. */
-#define CONNECTION_UPLOAD_GRACEFUL 1 /* Graceful upload */
-#define CONNECTION_UPLOAD_ABORT_RESET 2 /* Abortive upload with
- * reset
- */
-#define CONNECTION_UPLOAD_ABORT 3 /* Abortive upload without
- * reset
- */
-#define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4 /* Abortive upload with reset,
- * sequence number by driver */
/* Returns the number of items in the field array. */
#define BE_NUMBER_OF_FIELD(_type_, _field_) \
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index a4844578e357..97dca4681784 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -1,20 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
- * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com)
- *
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#include <scsi/libiscsi.h>
@@ -1263,31 +1258,58 @@ static void beiscsi_flush_cq(struct beiscsi_hba *phba)
}
/**
- * beiscsi_close_conn - Upload the connection
+ * beiscsi_conn_close - Invalidate and upload connection
* @ep: The iscsi endpoint
- * @flag: The type of connection closure
+ *
+ * Returns 0 on success, -1 on failure.
*/
-static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
+static int beiscsi_conn_close(struct beiscsi_endpoint *beiscsi_ep)
{
- int ret = 0;
- unsigned int tag;
struct beiscsi_hba *phba = beiscsi_ep->phba;
+ unsigned int tag, attempts;
+ int ret;
- tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
- if (!tag) {
- beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
- "BS_%d : upload failed for cid 0x%x\n",
- beiscsi_ep->ep_cid);
-
- ret = -EAGAIN;
+ /**
+ * Without successfully invalidating and uploading connection
+ * driver can't reuse the CID so attempt more than once.
+ */
+ attempts = 0;
+ while (attempts++ < 3) {
+ tag = beiscsi_invalidate_cxn(phba, beiscsi_ep);
+ if (tag) {
+ ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
+ if (!ret)
+ break;
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
+ "BS_%d : invalidate conn failed cid %d\n",
+ beiscsi_ep->ep_cid);
+ }
}
- ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
-
- /* Flush the CQ entries */
+ /* wait for all completions to arrive, then process them */
+ msleep(250);
+ /* flush CQ entries */
beiscsi_flush_cq(phba);
- return ret;
+ if (attempts > 3)
+ return -1;
+
+ attempts = 0;
+ while (attempts++ < 3) {
+ tag = beiscsi_upload_cxn(phba, beiscsi_ep);
+ if (tag) {
+ ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
+ if (!ret)
+ break;
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
+ "BS_%d : upload conn failed cid %d\n",
+ beiscsi_ep->ep_cid);
+ }
+ }
+ if (attempts > 3)
+ return -1;
+
+ return 0;
}
/**
@@ -1298,12 +1320,9 @@ static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
*/
void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
{
- struct beiscsi_conn *beiscsi_conn;
struct beiscsi_endpoint *beiscsi_ep;
+ struct beiscsi_conn *beiscsi_conn;
struct beiscsi_hba *phba;
- unsigned int tag;
- uint8_t mgmt_invalidate_flag, tcp_upload_flag;
- unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
uint16_t cri_index;
beiscsi_ep = ep->dd_data;
@@ -1324,39 +1343,27 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
if (beiscsi_ep->conn) {
beiscsi_conn = beiscsi_ep->conn;
iscsi_suspend_queue(beiscsi_conn->conn);
- mgmt_invalidate_flag = ~BEISCSI_NO_RST_ISSUE;
- tcp_upload_flag = CONNECTION_UPLOAD_GRACEFUL;
- } else {
- mgmt_invalidate_flag = BEISCSI_NO_RST_ISSUE;
- tcp_upload_flag = CONNECTION_UPLOAD_ABORT;
}
if (!beiscsi_hba_is_online(phba)) {
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : HBA in error 0x%lx\n", phba->state);
- goto free_ep;
- }
-
- tag = mgmt_invalidate_connection(phba, beiscsi_ep,
- beiscsi_ep->ep_cid,
- mgmt_invalidate_flag,
- savecfg_flag);
- if (!tag) {
- beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
- "BS_%d : mgmt_invalidate_connection Failed for cid=%d\n",
- beiscsi_ep->ep_cid);
+ } else {
+ /**
+ * Make CID available even if close fails.
+ * If not freed, FW might fail open using the CID.
+ */
+ if (beiscsi_conn_close(beiscsi_ep) < 0)
+ __beiscsi_log(phba, KERN_ERR,
+ "BS_%d : close conn failed cid %d\n",
+ beiscsi_ep->ep_cid);
}
- beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
- beiscsi_close_conn(beiscsi_ep, tcp_upload_flag);
-free_ep:
- msleep(BEISCSI_LOGOUT_SYNC_DELAY);
beiscsi_free_ep(beiscsi_ep);
if (!phba->conn_table[cri_index])
__beiscsi_log(phba, KERN_ERR,
- "BS_%d : conn_table empty at %u: cid %u\n",
- cri_index,
- beiscsi_ep->ep_cid);
+ "BS_%d : conn_table empty at %u: cid %u\n",
+ cri_index, beiscsi_ep->ep_cid);
phba->conn_table[cri_index] = NULL;
iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
}
diff --git a/drivers/scsi/be2iscsi/be_iscsi.h b/drivers/scsi/be2iscsi/be_iscsi.h
index e4d67dfea4cb..b9d459a21f25 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.h
+++ b/drivers/scsi/be2iscsi/be_iscsi.h
@@ -1,20 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
- * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com)
- *
* Contact Information:
* linux-drivers@broadcom.com
*
- * Avago Technologies
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#ifndef _BE_ISCSI_
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 32b2713cec93..f862332261f8 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -1,20 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
- * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com)
- *
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#include <linux/reboot.h>
@@ -337,7 +332,7 @@ static int beiscsi_eh_device_reset(struct scsi_cmnd *sc)
inv_tbl->task[nents] = task;
nents++;
}
- spin_unlock_bh(&session->back_lock);
+ spin_unlock(&session->back_lock);
spin_unlock_bh(&session->frwd_lock);
rc = SUCCESS;
@@ -636,7 +631,6 @@ static void beiscsi_get_params(struct beiscsi_hba *phba)
(total_cid_count +
BE2_TMFS + BE2_NOPOUT_REQ));
phba->params.cxns_per_ctrl = total_cid_count;
- phba->params.asyncpdus_per_ctrl = total_cid_count;
phba->params.icds_per_ctrl = total_icd_count;
phba->params.num_sge_per_io = BE2_SGE;
phba->params.defpdu_hdr_sz = BE2_DEFPDU_HDR_SZ;
@@ -802,12 +796,12 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
struct pci_dev *pcidev = phba->pcidev;
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
- int ret, msix_vec, i, j;
+ int ret, i, j;
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
- if (phba->msix_enabled) {
+ if (pcidev->msix_enabled) {
for (i = 0; i < phba->num_cpus; i++) {
phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME,
GFP_KERNEL);
@@ -818,9 +812,8 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
sprintf(phba->msi_name[i], "beiscsi_%02x_%02x",
phba->shost->host_no, i);
- msix_vec = phba->msix_entries[i].vector;
- ret = request_irq(msix_vec, be_isr_msix, 0,
- phba->msi_name[i],
+ ret = request_irq(pci_irq_vector(pcidev, i),
+ be_isr_msix, 0, phba->msi_name[i],
&phwi_context->be_eq[i]);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
@@ -838,9 +831,8 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
}
sprintf(phba->msi_name[i], "beiscsi_mcc_%02x",
phba->shost->host_no);
- msix_vec = phba->msix_entries[i].vector;
- ret = request_irq(msix_vec, be_isr_mcc, 0, phba->msi_name[i],
- &phwi_context->be_eq[i]);
+ ret = request_irq(pci_irq_vector(pcidev, i), be_isr_mcc, 0,
+ phba->msi_name[i], &phwi_context->be_eq[i]);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT ,
"BM_%d : beiscsi_init_irqs-"
@@ -862,9 +854,8 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
return 0;
free_msix_irqs:
for (j = i - 1; j >= 0; j--) {
+ free_irq(pci_irq_vector(pcidev, i), &phwi_context->be_eq[j]);
kfree(phba->msi_name[j]);
- msix_vec = phba->msix_entries[j].vector;
- free_irq(msix_vec, &phwi_context->be_eq[j]);
}
return ret;
}
@@ -1454,30 +1445,45 @@ static inline void
beiscsi_hdl_put_handle(struct hd_async_context *pasync_ctx,
struct hd_async_handle *pasync_handle)
{
- if (pasync_handle->is_header) {
- list_add_tail(&pasync_handle->link,
- &pasync_ctx->async_header.free_list);
- pasync_ctx->async_header.free_entries++;
- } else {
- list_add_tail(&pasync_handle->link,
- &pasync_ctx->async_data.free_list);
- pasync_ctx->async_data.free_entries++;
- }
+ pasync_handle->is_final = 0;
+ pasync_handle->buffer_len = 0;
+ pasync_handle->in_use = 0;
+ list_del_init(&pasync_handle->link);
+}
+
+static void
+beiscsi_hdl_purge_handles(struct beiscsi_hba *phba,
+ struct hd_async_context *pasync_ctx,
+ u16 cri)
+{
+ struct hd_async_handle *pasync_handle, *tmp_handle;
+ struct list_head *plist;
+
+ plist = &pasync_ctx->async_entry[cri].wq.list;
+ list_for_each_entry_safe(pasync_handle, tmp_handle, plist, link)
+ beiscsi_hdl_put_handle(pasync_ctx, pasync_handle);
+
+ INIT_LIST_HEAD(&pasync_ctx->async_entry[cri].wq.list);
+ pasync_ctx->async_entry[cri].wq.hdr_len = 0;
+ pasync_ctx->async_entry[cri].wq.bytes_received = 0;
+ pasync_ctx->async_entry[cri].wq.bytes_needed = 0;
}
static struct hd_async_handle *
beiscsi_hdl_get_handle(struct beiscsi_conn *beiscsi_conn,
struct hd_async_context *pasync_ctx,
- struct i_t_dpdu_cqe *pdpdu_cqe)
+ struct i_t_dpdu_cqe *pdpdu_cqe,
+ u8 *header)
{
struct beiscsi_hba *phba = beiscsi_conn->phba;
struct hd_async_handle *pasync_handle;
struct be_bus_address phys_addr;
+ u16 cid, code, ci, cri;
u8 final, error = 0;
- u16 cid, code, ci;
u32 dpl;
cid = beiscsi_conn->beiscsi_conn_cid;
+ cri = BE_GET_ASYNC_CRI_FROM_CID(cid);
/**
* This function is invoked to get the right async_handle structure
* from a given DEF PDU CQ entry.
@@ -1516,6 +1522,7 @@ beiscsi_hdl_get_handle(struct beiscsi_conn *beiscsi_conn,
switch (code) {
case UNSOL_HDR_NOTIFY:
pasync_handle = pasync_ctx->async_entry[ci].header;
+ *header = 1;
break;
case UNSOL_DATA_DIGEST_ERROR_NOTIFY:
error = 1;
@@ -1524,15 +1531,7 @@ beiscsi_hdl_get_handle(struct beiscsi_conn *beiscsi_conn,
break;
/* called only for above codes */
default:
- pasync_handle = NULL;
- break;
- }
-
- if (!pasync_handle) {
- beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_ISCSI,
- "BM_%d : cid %d async PDU handle not found - code %d ci %d addr %llx\n",
- cid, code, ci, phys_addr.u.a64.address);
- return pasync_handle;
+ return NULL;
}
if (pasync_handle->pa.u.a64.address != phys_addr.u.a64.address ||
@@ -1549,47 +1548,32 @@ beiscsi_hdl_get_handle(struct beiscsi_conn *beiscsi_conn,
}
/**
- * Each CID is associated with unique CRI.
- * ASYNC_CRI_FROM_CID mapping and CRI_FROM_CID are totaly different.
- **/
- pasync_handle->cri = BE_GET_ASYNC_CRI_FROM_CID(cid);
- pasync_handle->is_final = final;
- pasync_handle->buffer_len = dpl;
- /* empty the slot */
- if (pasync_handle->is_header)
- pasync_ctx->async_entry[ci].header = NULL;
- else
- pasync_ctx->async_entry[ci].data = NULL;
-
- /**
* DEF PDU header and data buffers with errors should be simply
* dropped as there are no consumers for it.
*/
if (error) {
beiscsi_hdl_put_handle(pasync_ctx, pasync_handle);
- pasync_handle = NULL;
+ return NULL;
}
- return pasync_handle;
-}
-
-static void
-beiscsi_hdl_purge_handles(struct beiscsi_hba *phba,
- struct hd_async_context *pasync_ctx,
- u16 cri)
-{
- struct hd_async_handle *pasync_handle, *tmp_handle;
- struct list_head *plist;
- plist = &pasync_ctx->async_entry[cri].wq.list;
- list_for_each_entry_safe(pasync_handle, tmp_handle, plist, link) {
- list_del(&pasync_handle->link);
- beiscsi_hdl_put_handle(pasync_ctx, pasync_handle);
+ if (pasync_handle->in_use || !list_empty(&pasync_handle->link)) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_ISCSI,
+ "BM_%d : cid %d async PDU handle in use - code %d ci %d addr %llx\n",
+ cid, code, ci, phys_addr.u.a64.address);
+ beiscsi_hdl_purge_handles(phba, pasync_ctx, cri);
}
- INIT_LIST_HEAD(&pasync_ctx->async_entry[cri].wq.list);
- pasync_ctx->async_entry[cri].wq.hdr_len = 0;
- pasync_ctx->async_entry[cri].wq.bytes_received = 0;
- pasync_ctx->async_entry[cri].wq.bytes_needed = 0;
+ list_del_init(&pasync_handle->link);
+ /**
+ * Each CID is associated with unique CRI.
+ * ASYNC_CRI_FROM_CID mapping and CRI_FROM_CID are totaly different.
+ **/
+ pasync_handle->cri = cri;
+ pasync_handle->is_final = final;
+ pasync_handle->buffer_len = dpl;
+ pasync_handle->in_use = 1;
+
+ return pasync_handle;
}
static unsigned int
@@ -1619,6 +1603,10 @@ beiscsi_hdl_fwd_pdu(struct beiscsi_conn *beiscsi_conn,
dlen = pasync_handle->buffer_len;
continue;
}
+ if (!pasync_handle->buffer_len ||
+ (dlen + pasync_handle->buffer_len) >
+ pasync_ctx->async_data.buffer_size)
+ break;
memcpy(pdata + dlen, pasync_handle->pbuffer,
pasync_handle->buffer_len);
dlen += pasync_handle->buffer_len;
@@ -1627,8 +1615,9 @@ beiscsi_hdl_fwd_pdu(struct beiscsi_conn *beiscsi_conn,
if (!plast_handle->is_final) {
/* last handle should have final PDU notification from FW */
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_ISCSI,
- "BM_%d : cid %u %p fwd async PDU with last handle missing - HL%u:DN%u:DR%u\n",
+ "BM_%d : cid %u %p fwd async PDU opcode %x with last handle missing - HL%u:DN%u:DR%u\n",
beiscsi_conn->beiscsi_conn_cid, plast_handle,
+ AMAP_GET_BITS(struct amap_pdu_base, opcode, phdr),
pasync_ctx->async_entry[cri].wq.hdr_len,
pasync_ctx->async_entry[cri].wq.bytes_needed,
pasync_ctx->async_entry[cri].wq.bytes_received);
@@ -1709,85 +1698,53 @@ drop_pdu:
static void
beiscsi_hdq_post_handles(struct beiscsi_hba *phba,
- u8 header, u8 ulp_num)
+ u8 header, u8 ulp_num, u16 nbuf)
{
- struct hd_async_handle *pasync_handle, *tmp, **slot;
+ struct hd_async_handle *pasync_handle;
struct hd_async_context *pasync_ctx;
struct hwi_controller *phwi_ctrlr;
- struct list_head *hfree_list;
struct phys_addr *pasync_sge;
u32 ring_id, doorbell = 0;
u32 doorbell_offset;
- u16 prod = 0, cons;
- u16 index;
+ u16 prod, pi;
phwi_ctrlr = phba->phwi_ctrlr;
pasync_ctx = HWI_GET_ASYNC_PDU_CTX(phwi_ctrlr, ulp_num);
if (header) {
- cons = pasync_ctx->async_header.free_entries;
- hfree_list = &pasync_ctx->async_header.free_list;
+ pasync_sge = pasync_ctx->async_header.ring_base;
+ pi = pasync_ctx->async_header.pi;
ring_id = phwi_ctrlr->default_pdu_hdr[ulp_num].id;
doorbell_offset = phwi_ctrlr->default_pdu_hdr[ulp_num].
doorbell_offset;
} else {
- cons = pasync_ctx->async_data.free_entries;
- hfree_list = &pasync_ctx->async_data.free_list;
+ pasync_sge = pasync_ctx->async_data.ring_base;
+ pi = pasync_ctx->async_data.pi;
ring_id = phwi_ctrlr->default_pdu_data[ulp_num].id;
doorbell_offset = phwi_ctrlr->default_pdu_data[ulp_num].
doorbell_offset;
}
- /* number of entries posted must be in multiples of 8 */
- if (cons % 8)
- return;
-
- list_for_each_entry_safe(pasync_handle, tmp, hfree_list, link) {
- list_del_init(&pasync_handle->link);
- pasync_handle->is_final = 0;
- pasync_handle->buffer_len = 0;
- /* handles can be consumed out of order, use index in handle */
- index = pasync_handle->index;
- WARN_ON(pasync_handle->is_header != header);
+ for (prod = 0; prod < nbuf; prod++) {
if (header)
- slot = &pasync_ctx->async_entry[index].header;
+ pasync_handle = pasync_ctx->async_entry[pi].header;
else
- slot = &pasync_ctx->async_entry[index].data;
- /**
- * The slot just tracks handle's hold and release, so
- * overwriting at the same index won't do any harm but
- * needs to be caught.
- */
- if (*slot != NULL) {
- beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_ISCSI,
- "BM_%d : async PDU %s slot at %u not empty\n",
- header ? "header" : "data", index);
+ pasync_handle = pasync_ctx->async_entry[pi].data;
+ WARN_ON(pasync_handle->is_header != header);
+ WARN_ON(pasync_handle->index != pi);
+ /* setup the ring only once */
+ if (nbuf == pasync_ctx->num_entries) {
+ /* note hi is lo */
+ pasync_sge[pi].hi = pasync_handle->pa.u.a32.address_lo;
+ pasync_sge[pi].lo = pasync_handle->pa.u.a32.address_hi;
}
- /**
- * We use same freed index as in completion to post so this
- * operation is not required for refills. Its required only
- * for ring creation.
- */
- if (header)
- pasync_sge = pasync_ctx->async_header.ring_base;
- else
- pasync_sge = pasync_ctx->async_data.ring_base;
- pasync_sge += index;
- /* if its a refill then address is same; hi is lo */
- WARN_ON(pasync_sge->hi &&
- pasync_sge->hi != pasync_handle->pa.u.a32.address_lo);
- WARN_ON(pasync_sge->lo &&
- pasync_sge->lo != pasync_handle->pa.u.a32.address_hi);
- pasync_sge->hi = pasync_handle->pa.u.a32.address_lo;
- pasync_sge->lo = pasync_handle->pa.u.a32.address_hi;
-
- *slot = pasync_handle;
- if (++prod == cons)
- break;
+ if (++pi == pasync_ctx->num_entries)
+ pi = 0;
}
+
if (header)
- pasync_ctx->async_header.free_entries -= prod;
+ pasync_ctx->async_header.pi = pi;
else
- pasync_ctx->async_data.free_entries -= prod;
+ pasync_ctx->async_data.pi = pi;
doorbell |= ring_id & DB_DEF_PDU_RING_ID_MASK;
doorbell |= 1 << DB_DEF_PDU_REARM_SHIFT;
@@ -1804,20 +1761,26 @@ beiscsi_hdq_process_compl(struct beiscsi_conn *beiscsi_conn,
struct hd_async_handle *pasync_handle = NULL;
struct hd_async_context *pasync_ctx;
struct hwi_controller *phwi_ctrlr;
+ u8 ulp_num, consumed, header = 0;
u16 cid_cri;
- u8 ulp_num;
phwi_ctrlr = phba->phwi_ctrlr;
cid_cri = BE_GET_CRI_FROM_CID(beiscsi_conn->beiscsi_conn_cid);
ulp_num = BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cid_cri);
pasync_ctx = HWI_GET_ASYNC_PDU_CTX(phwi_ctrlr, ulp_num);
pasync_handle = beiscsi_hdl_get_handle(beiscsi_conn, pasync_ctx,
- pdpdu_cqe);
- if (!pasync_handle)
- return;
-
- beiscsi_hdl_gather_pdu(beiscsi_conn, pasync_ctx, pasync_handle);
- beiscsi_hdq_post_handles(phba, pasync_handle->is_header, ulp_num);
+ pdpdu_cqe, &header);
+ if (is_chip_be2_be3r(phba))
+ consumed = AMAP_GET_BITS(struct amap_i_t_dpdu_cqe,
+ num_cons, pdpdu_cqe);
+ else
+ consumed = AMAP_GET_BITS(struct amap_i_t_dpdu_cqe_v2,
+ num_cons, pdpdu_cqe);
+ if (pasync_handle)
+ beiscsi_hdl_gather_pdu(beiscsi_conn, pasync_ctx, pasync_handle);
+ /* num_cons indicates number of 8 RQEs consumed */
+ if (consumed)
+ beiscsi_hdq_post_handles(phba, header, ulp_num, 8 * consumed);
}
void beiscsi_process_mcc_cq(struct beiscsi_hba *phba)
@@ -2407,22 +2370,22 @@ static void beiscsi_find_mem_req(struct beiscsi_hba *phba)
if (test_bit(ulp_num, &phba->fw_config.ulp_supported)) {
num_async_pdu_buf_sgl_pages =
- PAGES_REQUIRED(BEISCSI_GET_CID_COUNT(
+ PAGES_REQUIRED(BEISCSI_ASYNC_HDQ_SIZE(
phba, ulp_num) *
sizeof(struct phys_addr));
num_async_pdu_buf_pages =
- PAGES_REQUIRED(BEISCSI_GET_CID_COUNT(
+ PAGES_REQUIRED(BEISCSI_ASYNC_HDQ_SIZE(
phba, ulp_num) *
phba->params.defpdu_hdr_sz);
num_async_pdu_data_pages =
- PAGES_REQUIRED(BEISCSI_GET_CID_COUNT(
+ PAGES_REQUIRED(BEISCSI_ASYNC_HDQ_SIZE(
phba, ulp_num) *
phba->params.defpdu_data_sz);
num_async_pdu_data_sgl_pages =
- PAGES_REQUIRED(BEISCSI_GET_CID_COUNT(
+ PAGES_REQUIRED(BEISCSI_ASYNC_HDQ_SIZE(
phba, ulp_num) *
sizeof(struct phys_addr));
@@ -2459,21 +2422,21 @@ static void beiscsi_find_mem_req(struct beiscsi_hba *phba)
mem_descr_index = (HWI_MEM_ASYNC_HEADER_HANDLE_ULP0 +
(ulp_num * MEM_DESCR_OFFSET));
phba->mem_req[mem_descr_index] =
- BEISCSI_GET_CID_COUNT(phba, ulp_num) *
- sizeof(struct hd_async_handle);
+ BEISCSI_ASYNC_HDQ_SIZE(phba, ulp_num) *
+ sizeof(struct hd_async_handle);
mem_descr_index = (HWI_MEM_ASYNC_DATA_HANDLE_ULP0 +
(ulp_num * MEM_DESCR_OFFSET));
phba->mem_req[mem_descr_index] =
- BEISCSI_GET_CID_COUNT(phba, ulp_num) *
- sizeof(struct hd_async_handle);
+ BEISCSI_ASYNC_HDQ_SIZE(phba, ulp_num) *
+ sizeof(struct hd_async_handle);
mem_descr_index = (HWI_MEM_ASYNC_PDU_CONTEXT_ULP0 +
(ulp_num * MEM_DESCR_OFFSET));
phba->mem_req[mem_descr_index] =
- sizeof(struct hd_async_context) +
- (BEISCSI_GET_CID_COUNT(phba, ulp_num) *
- sizeof(struct hd_async_entry));
+ sizeof(struct hd_async_context) +
+ (BEISCSI_ASYNC_HDQ_SIZE(phba, ulp_num) *
+ sizeof(struct hd_async_entry));
}
}
}
@@ -2757,7 +2720,7 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
((long unsigned int)pasync_ctx +
sizeof(struct hd_async_context));
- pasync_ctx->num_entries = BEISCSI_GET_CID_COUNT(phba,
+ pasync_ctx->num_entries = BEISCSI_ASYNC_HDQ_SIZE(phba,
ulp_num);
/* setup header buffers */
mem_descr = (struct be_mem_descriptor *)phba->init_mem;
@@ -2776,6 +2739,7 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
"BM_%d : No Virtual address for ULP : %d\n",
ulp_num);
+ pasync_ctx->async_header.pi = 0;
pasync_ctx->async_header.buffer_size = p->defpdu_hdr_sz;
pasync_ctx->async_header.va_base =
mem_descr->mem_array[0].virtual_address;
@@ -2823,7 +2787,6 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
pasync_ctx->async_header.handle_base =
mem_descr->mem_array[0].virtual_address;
- INIT_LIST_HEAD(&pasync_ctx->async_header.free_list);
/* setup data buffer sgls */
mem_descr = (struct be_mem_descriptor *)phba->init_mem;
@@ -2857,7 +2820,6 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
pasync_ctx->async_data.handle_base =
mem_descr->mem_array[0].virtual_address;
- INIT_LIST_HEAD(&pasync_ctx->async_data.free_list);
pasync_header_h =
(struct hd_async_handle *)
@@ -2884,6 +2846,7 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
ulp_num);
idx = 0;
+ pasync_ctx->async_data.pi = 0;
pasync_ctx->async_data.buffer_size = p->defpdu_data_sz;
pasync_ctx->async_data.va_base =
mem_descr->mem_array[idx].virtual_address;
@@ -2895,7 +2858,7 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
phba->params.defpdu_data_sz);
num_per_mem = 0;
- for (index = 0; index < BEISCSI_GET_CID_COUNT
+ for (index = 0; index < BEISCSI_ASYNC_HDQ_SIZE
(phba, ulp_num); index++) {
pasync_header_h->cri = -1;
pasync_header_h->is_header = 1;
@@ -2911,14 +2874,11 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
pasync_ctx->async_header.pa_base.u.a64.
address + (p->defpdu_hdr_sz * index);
- list_add_tail(&pasync_header_h->link,
- &pasync_ctx->async_header.
- free_list);
+ pasync_ctx->async_entry[index].header =
+ pasync_header_h;
pasync_header_h++;
- pasync_ctx->async_header.free_entries++;
INIT_LIST_HEAD(&pasync_ctx->async_entry[index].
wq.list);
- pasync_ctx->async_entry[index].header = NULL;
pasync_data_h->cri = -1;
pasync_data_h->is_header = 0;
@@ -2952,12 +2912,9 @@ static int hwi_init_async_pdu_ctx(struct beiscsi_hba *phba)
num_per_mem++;
num_async_data--;
- list_add_tail(&pasync_data_h->link,
- &pasync_ctx->async_data.
- free_list);
+ pasync_ctx->async_entry[index].data =
+ pasync_data_h;
pasync_data_h++;
- pasync_ctx->async_data.free_entries++;
- pasync_ctx->async_entry[index].data = NULL;
}
}
}
@@ -3040,7 +2997,7 @@ static int beiscsi_create_eqs(struct beiscsi_hba *phba,
num_eq_pages = PAGES_REQUIRED(phba->params.num_eq_entries * \
sizeof(struct be_eq_entry));
- if (phba->msix_enabled)
+ if (phba->pcidev->msix_enabled)
eq_for_mcc = 1;
else
eq_for_mcc = 0;
@@ -3550,7 +3507,7 @@ static int be_mcc_queues_create(struct beiscsi_hba *phba,
sizeof(struct be_mcc_compl)))
goto err;
/* Ask BE to create MCC compl queue; */
- if (phba->msix_enabled) {
+ if (phba->pcidev->msix_enabled) {
if (beiscsi_cmd_cq_create(ctrl, cq, &phwi_context->be_eq
[phba->num_cpus].q, false, true, 0))
goto mcc_cq_free;
@@ -3581,42 +3538,35 @@ err:
return -ENOMEM;
}
-/**
- * find_num_cpus()- Get the CPU online count
- * @phba: ptr to priv structure
- *
- * CPU count is used for creating EQ.
- **/
-static void find_num_cpus(struct beiscsi_hba *phba)
+static void be2iscsi_enable_msix(struct beiscsi_hba *phba)
{
- int num_cpus = 0;
-
- num_cpus = num_online_cpus();
+ int nvec = 1;
switch (phba->generation) {
case BE_GEN2:
case BE_GEN3:
- phba->num_cpus = (num_cpus > BEISCSI_MAX_NUM_CPUS) ?
- BEISCSI_MAX_NUM_CPUS : num_cpus;
+ nvec = BEISCSI_MAX_NUM_CPUS + 1;
break;
case BE_GEN4:
- /*
- * If eqid_count == 1 fall back to
- * INTX mechanism
- **/
- if (phba->fw_config.eqid_count == 1) {
- enable_msix = 0;
- phba->num_cpus = 1;
- return;
- }
-
- phba->num_cpus =
- (num_cpus > (phba->fw_config.eqid_count - 1)) ?
- (phba->fw_config.eqid_count - 1) : num_cpus;
+ nvec = phba->fw_config.eqid_count;
break;
default:
- phba->num_cpus = 1;
+ nvec = 2;
+ break;
}
+
+ /* if eqid_count == 1 fall back to INTX */
+ if (enable_msix && nvec > 1) {
+ const struct irq_affinity desc = { .post_vectors = 1 };
+
+ if (pci_alloc_irq_vectors_affinity(phba->pcidev, 2, nvec,
+ PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &desc) < 0) {
+ phba->num_cpus = nvec - 1;
+ return;
+ }
+ }
+
+ phba->num_cpus = 1;
}
static void hwi_purge_eq(struct beiscsi_hba *phba)
@@ -3633,7 +3583,7 @@ static void hwi_purge_eq(struct beiscsi_hba *phba)
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
- if (phba->msix_enabled)
+ if (phba->pcidev->msix_enabled)
eq_msix = 1;
else
eq_msix = 0;
@@ -3711,7 +3661,7 @@ static void hwi_cleanup_port(struct beiscsi_hba *phba)
}
be_mcc_queues_destroy(phba);
- if (phba->msix_enabled)
+ if (phba->pcidev->msix_enabled)
eq_for_mcc = 1;
else
eq_for_mcc = 0;
@@ -3735,6 +3685,7 @@ static int hwi_init_port(struct beiscsi_hba *phba)
unsigned int def_pdu_ring_sz;
struct be_ctrl_info *ctrl = &phba->ctrl;
int status, ulp_num;
+ u16 nbufs;
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
@@ -3771,9 +3722,8 @@ static int hwi_init_port(struct beiscsi_hba *phba)
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
if (test_bit(ulp_num, &phba->fw_config.ulp_supported)) {
- def_pdu_ring_sz =
- BEISCSI_GET_CID_COUNT(phba, ulp_num) *
- sizeof(struct phys_addr);
+ nbufs = phwi_context->pasync_ctx[ulp_num]->num_entries;
+ def_pdu_ring_sz = nbufs * sizeof(struct phys_addr);
status = beiscsi_create_def_hdr(phba, phwi_context,
phwi_ctrlr,
@@ -3801,9 +3751,9 @@ static int hwi_init_port(struct beiscsi_hba *phba)
* let EP know about it.
*/
beiscsi_hdq_post_handles(phba, BEISCSI_DEFQ_HDR,
- ulp_num);
+ ulp_num, nbufs);
beiscsi_hdq_post_handles(phba, BEISCSI_DEFQ_DATA,
- ulp_num);
+ ulp_num, nbufs);
}
}
@@ -4157,7 +4107,7 @@ static void hwi_enable_intr(struct beiscsi_hba *phba)
iowrite32(reg, addr);
}
- if (!phba->msix_enabled) {
+ if (!phba->pcidev->msix_enabled) {
eq = &phwi_context->be_eq[0].q;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BM_%d : eq->id=%d\n", eq->id);
@@ -5280,19 +5230,6 @@ static void beiscsi_eqd_update_work(struct work_struct *work)
msecs_to_jiffies(BEISCSI_EQD_UPDATE_INTERVAL));
}
-static void beiscsi_msix_enable(struct beiscsi_hba *phba)
-{
- int i, status;
-
- for (i = 0; i <= phba->num_cpus; i++)
- phba->msix_entries[i].entry = i;
-
- status = pci_enable_msix_range(phba->pcidev, phba->msix_entries,
- phba->num_cpus + 1, phba->num_cpus + 1);
- if (status > 0)
- phba->msix_enabled = true;
-}
-
static void beiscsi_hw_tpe_check(unsigned long ptr)
{
struct beiscsi_hba *phba;
@@ -5360,15 +5297,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba)
if (ret)
return ret;
- if (enable_msix)
- find_num_cpus(phba);
- else
- phba->num_cpus = 1;
- if (enable_msix) {
- beiscsi_msix_enable(phba);
- if (!phba->msix_enabled)
- phba->num_cpus = 1;
- }
+ be2iscsi_enable_msix(phba);
beiscsi_get_params(phba);
/* Re-enable UER. If different TPE occurs then it is recoverable. */
@@ -5397,7 +5326,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba)
irq_poll_init(&pbe_eq->iopoll, be_iopoll_budget, be_iopoll);
}
- i = (phba->msix_enabled) ? i : 0;
+ i = (phba->pcidev->msix_enabled) ? i : 0;
/* Work item for MCC handling */
pbe_eq = &phwi_context->be_eq[i];
INIT_WORK(&pbe_eq->mcc_work, beiscsi_mcc_work);
@@ -5435,9 +5364,7 @@ cleanup_port:
hwi_cleanup_port(phba);
disable_msix:
- if (phba->msix_enabled)
- pci_disable_msix(phba->pcidev);
-
+ pci_free_irq_vectors(phba->pcidev);
return ret;
}
@@ -5454,7 +5381,7 @@ static void beiscsi_disable_port(struct beiscsi_hba *phba, int unload)
struct hwi_context_memory *phwi_context;
struct hwi_controller *phwi_ctrlr;
struct be_eq_obj *pbe_eq;
- unsigned int i, msix_vec;
+ unsigned int i;
if (!test_and_clear_bit(BEISCSI_HBA_ONLINE, &phba->state))
return;
@@ -5462,16 +5389,16 @@ static void beiscsi_disable_port(struct beiscsi_hba *phba, int unload)
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
hwi_disable_intr(phba);
- if (phba->msix_enabled) {
+ if (phba->pcidev->msix_enabled) {
for (i = 0; i <= phba->num_cpus; i++) {
- msix_vec = phba->msix_entries[i].vector;
- free_irq(msix_vec, &phwi_context->be_eq[i]);
+ free_irq(pci_irq_vector(phba->pcidev, i),
+ &phwi_context->be_eq[i]);
kfree(phba->msi_name[i]);
}
} else
if (phba->pcidev->irq)
free_irq(phba->pcidev->irq, phba);
- pci_disable_msix(phba->pcidev);
+ pci_free_irq_vectors(phba->pcidev);
for (i = 0; i < phba->num_cpus; i++) {
pbe_eq = &phwi_context->be_eq[i];
@@ -5681,21 +5608,12 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
beiscsi_get_params(phba);
beiscsi_set_uer_feature(phba);
- if (enable_msix)
- find_num_cpus(phba);
- else
- phba->num_cpus = 1;
+ be2iscsi_enable_msix(phba);
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BM_%d : num_cpus = %d\n",
phba->num_cpus);
- if (enable_msix) {
- beiscsi_msix_enable(phba);
- if (!phba->msix_enabled)
- phba->num_cpus = 1;
- }
-
phba->shost->max_id = phba->params.cxns_per_ctrl;
phba->shost->can_queue = phba->params.ios_per_ctrl;
ret = beiscsi_get_memory(phba);
@@ -5745,7 +5663,7 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
irq_poll_init(&pbe_eq->iopoll, be_iopoll_budget, be_iopoll);
}
- i = (phba->msix_enabled) ? i : 0;
+ i = (phba->pcidev->msix_enabled) ? i : 0;
/* Work item for MCC handling */
pbe_eq = &phwi_context->be_eq[i];
INIT_WORK(&pbe_eq->mcc_work, beiscsi_mcc_work);
@@ -5816,8 +5734,7 @@ free_port:
phba->ctrl.mbox_mem_alloced.dma);
beiscsi_unmap_pci_function(phba);
hba_free:
- if (phba->msix_enabled)
- pci_disable_msix(phba->pcidev);
+ pci_disable_msix(phba->pcidev);
pci_dev_put(phba->pcidev);
iscsi_host_free(phba->shost);
pci_set_drvdata(pcidev, NULL);
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 218857926566..338dbe0800c1 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -1,20 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
- * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com)
- *
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#ifndef _BEISCSI_MAIN_
@@ -36,7 +31,7 @@
#include <scsi/scsi_transport_iscsi.h>
#define DRV_NAME "be2iscsi"
-#define BUILD_STR "11.2.1.0"
+#define BUILD_STR "11.4.0.0"
#define BE_NAME "Emulex OneConnect" \
"Open-iSCSI Driver version" BUILD_STR
#define DRV_DESC BE_NAME " " "Driver"
@@ -235,7 +230,6 @@ struct sgl_handle {
struct hba_parameters {
unsigned int ios_per_ctrl;
unsigned int cxns_per_ctrl;
- unsigned int asyncpdus_per_ctrl;
unsigned int icds_per_ctrl;
unsigned int num_sge_per_io;
unsigned int defpdu_hdr_sz;
@@ -323,9 +317,7 @@ struct beiscsi_hba {
struct pci_dev *pcidev;
unsigned int num_cpus;
unsigned int nxt_cqid;
- struct msix_entry msix_entries[MAX_CPUS];
char *msi_name[MAX_CPUS];
- bool msix_enabled;
struct be_mem_descriptor *init_mem;
unsigned short io_sgl_alloc_index;
@@ -597,8 +589,12 @@ struct hd_async_handle {
u16 cri;
u8 is_header;
u8 is_final;
+ u8 in_use;
};
+#define BEISCSI_ASYNC_HDQ_SIZE(phba, ulp) \
+ (BEISCSI_GET_CID_COUNT((phba), (ulp)) * 2)
+
/**
* This has list of async PDUs that are waiting to be processed.
* Buffers live in this list for a brief duration before they get
@@ -624,14 +620,8 @@ struct hd_async_buf_context {
void *va_base;
void *ring_base;
struct hd_async_handle *handle_base;
- u16 free_entries;
u32 buffer_size;
- /**
- * Once iSCSI layer finishes processing an async PDU, the
- * handles used for the PDU are added to this list.
- * They are posted back to FW in groups of 8.
- */
- struct list_head free_list;
+ u16 pi;
};
/**
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 2f6d5c2ac329..c73775368d09 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -1,20 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
- * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com)
- *
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#include <linux/bsg-lib.h>
@@ -126,67 +121,6 @@ unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
return tag;
}
-unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
- struct beiscsi_endpoint *beiscsi_ep,
- unsigned short cid,
- unsigned short issue_reset,
- unsigned short savecfg_flag)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct iscsi_invalidate_connection_params_in *req;
- unsigned int tag = 0;
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- return 0;
- }
-
- req = embedded_payload(wrb);
- be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
- be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
- OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
- sizeof(*req));
- req->session_handle = beiscsi_ep->fw_handle;
- req->cid = cid;
- if (issue_reset)
- req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
- else
- req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
- req->save_cfg = savecfg_flag;
- be_mcc_notify(phba, tag);
- mutex_unlock(&ctrl->mbox_lock);
- return tag;
-}
-
-unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
- unsigned short cid, unsigned int upload_flag)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct tcp_upload_params_in *req;
- unsigned int tag;
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- return 0;
- }
-
- req = embedded_payload(wrb);
- be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
- be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
- OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
- req->id = (unsigned short)cid;
- req->upload_type = (unsigned char)upload_flag;
- be_mcc_notify(phba, tag);
- mutex_unlock(&ctrl->mbox_lock);
- return tag;
-}
-
/**
* mgmt_open_connection()- Establish a TCP CXN
* @dst_addr: Destination Address
@@ -1449,6 +1383,72 @@ void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
exp_statsn) / 32] + 1));
}
+unsigned int beiscsi_invalidate_cxn(struct beiscsi_hba *phba,
+ struct beiscsi_endpoint *beiscsi_ep)
+{
+ struct be_invalidate_connection_params_in *req;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ unsigned int tag = 0;
+
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
+
+ req = embedded_payload(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(union be_invalidate_connection_params),
+ true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
+ sizeof(*req));
+ req->session_handle = beiscsi_ep->fw_handle;
+ req->cid = beiscsi_ep->ep_cid;
+ if (beiscsi_ep->conn)
+ req->cleanup_type = BE_CLEANUP_TYPE_INVALIDATE;
+ else
+ req->cleanup_type = BE_CLEANUP_TYPE_ISSUE_TCP_RST;
+ /**
+ * 0 - non-persistent targets
+ * 1 - save session info on flash
+ */
+ req->save_cfg = 0;
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int beiscsi_upload_cxn(struct beiscsi_hba *phba,
+ struct beiscsi_endpoint *beiscsi_ep)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_tcp_upload_params_in *req;
+ unsigned int tag;
+
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
+
+ req = embedded_payload(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(union be_tcp_upload_params), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
+ OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
+ req->id = beiscsi_ep->ep_cid;
+ if (beiscsi_ep->conn)
+ req->upload_type = BE_UPLOAD_TYPE_GRACEFUL;
+ else
+ req->upload_type = BE_UPLOAD_TYPE_ABORT;
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
int beiscsi_mgmt_invalidate_icds(struct beiscsi_hba *phba,
struct invldt_cmd_tbl *inv_tbl,
unsigned int nents)
diff --git a/drivers/scsi/be2iscsi/be_mgmt.h b/drivers/scsi/be2iscsi/be_mgmt.h
index 308f1472f98a..06ddc5ad6874 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.h
+++ b/drivers/scsi/be2iscsi/be_mgmt.h
@@ -1,20 +1,15 @@
-/**
- * Copyright (C) 2005 - 2016 Broadcom
- * All rights reserved.
+/*
+ * Copyright 2017 Broadcom. All Rights Reserved.
+ * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation. The full GNU General
+ * as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
- * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com)
- *
* Contact Information:
* linux-drivers@broadcom.com
*
- * Emulex
- * 3333 Susan Street
- * Costa Mesa, CA 92626
*/
#ifndef _BEISCSI_MGMT_
@@ -41,35 +36,11 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
struct beiscsi_endpoint *beiscsi_ep,
struct be_dma_mem *nonemb_cmd);
-unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
- unsigned short cid,
- unsigned int upload_flag);
unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba,
struct bsg_job *job,
struct be_dma_mem *nonemb_cmd);
-#define BEISCSI_NO_RST_ISSUE 0
-struct iscsi_invalidate_connection_params_in {
- struct be_cmd_req_hdr hdr;
- unsigned int session_handle;
- unsigned short cid;
- unsigned short unused;
- unsigned short cleanup_type;
- unsigned short save_cfg;
-} __packed;
-
-struct iscsi_invalidate_connection_params_out {
- unsigned int session_handle;
- unsigned short cid;
- unsigned short unused;
-} __packed;
-
-union iscsi_invalidate_connection_params {
- struct iscsi_invalidate_connection_params_in request;
- struct iscsi_invalidate_connection_params_out response;
-} __packed;
-
#define BE_INVLDT_CMD_TBL_SZ 128
struct invldt_cmd_tbl {
unsigned short icd;
@@ -265,6 +236,12 @@ void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
struct wrb_handle *pwrb_handle,
struct hwi_wrb_context *pwrb_context);
+unsigned int beiscsi_invalidate_cxn(struct beiscsi_hba *phba,
+ struct beiscsi_endpoint *beiscsi_ep);
+
+unsigned int beiscsi_upload_cxn(struct beiscsi_hba *phba,
+ struct beiscsi_endpoint *beiscsi_ep);
+
int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,
struct be_set_eqd *, int num);
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 7209afad82f7..3e1caec82554 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -23,22 +23,6 @@
BFA_TRC_FILE(HAL, CORE);
/*
- * BFA module list terminated by NULL
- */
-static struct bfa_module_s *hal_mods[] = {
- &hal_mod_fcdiag,
- &hal_mod_sgpg,
- &hal_mod_fcport,
- &hal_mod_fcxp,
- &hal_mod_lps,
- &hal_mod_uf,
- &hal_mod_rport,
- &hal_mod_fcp,
- &hal_mod_dconf,
- NULL
-};
-
-/*
* Message handlers for various modules.
*/
static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = {
@@ -1191,8 +1175,13 @@ bfa_iocfc_start_submod(struct bfa_s *bfa)
for (i = 0; i < BFI_IOC_MAX_CQS; i++)
bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i));
- for (i = 0; hal_mods[i]; i++)
- hal_mods[i]->start(bfa);
+ bfa_fcport_start(bfa);
+ bfa_uf_start(bfa);
+ /*
+ * bfa_init() with flash read is complete. now invalidate the stale
+ * content of lun mask like unit attention, rp tag and lp tag.
+ */
+ bfa_ioim_lm_init(BFA_FCP_MOD(bfa)->bfa);
bfa->iocfc.submod_enabled = BFA_TRUE;
}
@@ -1203,13 +1192,16 @@ bfa_iocfc_start_submod(struct bfa_s *bfa)
static void
bfa_iocfc_disable_submod(struct bfa_s *bfa)
{
- int i;
-
if (bfa->iocfc.submod_enabled == BFA_FALSE)
return;
- for (i = 0; hal_mods[i]; i++)
- hal_mods[i]->iocdisable(bfa);
+ bfa_fcdiag_iocdisable(bfa);
+ bfa_fcport_iocdisable(bfa);
+ bfa_fcxp_iocdisable(bfa);
+ bfa_lps_iocdisable(bfa);
+ bfa_rport_iocdisable(bfa);
+ bfa_fcp_iocdisable(bfa);
+ bfa_dconf_iocdisable(bfa);
bfa->iocfc.submod_enabled = BFA_FALSE;
}
@@ -1773,7 +1765,6 @@ void
bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
struct bfa_s *bfa)
{
- int i;
struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
@@ -1792,9 +1783,14 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
INIT_LIST_HEAD(&meminfo->kva_info.qe);
bfa_iocfc_meminfo(cfg, meminfo, bfa);
-
- for (i = 0; hal_mods[i]; i++)
- hal_mods[i]->meminfo(cfg, meminfo, bfa);
+ bfa_sgpg_meminfo(cfg, meminfo, bfa);
+ bfa_fcport_meminfo(cfg, meminfo, bfa);
+ bfa_fcxp_meminfo(cfg, meminfo, bfa);
+ bfa_lps_meminfo(cfg, meminfo, bfa);
+ bfa_uf_meminfo(cfg, meminfo, bfa);
+ bfa_rport_meminfo(cfg, meminfo, bfa);
+ bfa_fcp_meminfo(cfg, meminfo, bfa);
+ bfa_dconf_meminfo(cfg, meminfo, bfa);
/* dma info setup */
bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo());
@@ -1840,7 +1836,6 @@ void
bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
- int i;
struct bfa_mem_dma_s *dma_info, *dma_elem;
struct bfa_mem_kva_s *kva_info, *kva_elem;
struct list_head *dm_qe, *km_qe;
@@ -1869,10 +1864,15 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
}
bfa_iocfc_attach(bfa, bfad, cfg, pcidev);
-
- for (i = 0; hal_mods[i]; i++)
- hal_mods[i]->attach(bfa, bfad, cfg, pcidev);
-
+ bfa_fcdiag_attach(bfa, bfad, cfg, pcidev);
+ bfa_sgpg_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcport_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcxp_attach(bfa, bfad, cfg, pcidev);
+ bfa_lps_attach(bfa, bfad, cfg, pcidev);
+ bfa_uf_attach(bfa, bfad, cfg, pcidev);
+ bfa_rport_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcp_attach(bfa, bfad, cfg, pcidev);
+ bfa_dconf_attach(bfa, bfad, cfg);
bfa_com_port_attach(bfa);
bfa_com_ablk_attach(bfa);
bfa_com_cee_attach(bfa);
@@ -1899,10 +1899,6 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
void
bfa_detach(struct bfa_s *bfa)
{
- int i;
-
- for (i = 0; hal_mods[i]; i++)
- hal_mods[i]->detach(bfa);
bfa_ioc_detach(&bfa->ioc);
}
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
index 20982e7cdd81..5f53b3276234 100644
--- a/drivers/scsi/bfa/bfa_fcpim.c
+++ b/drivers/scsi/bfa/bfa_fcpim.c
@@ -25,7 +25,6 @@ BFA_TRC_FILE(HAL, FCPIM);
* BFA ITNIM Related definitions
*/
static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim);
-static void bfa_ioim_lm_init(struct bfa_s *bfa);
#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \
(((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1))))
@@ -339,7 +338,7 @@ bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad,
bfa_ioim_attach(fcpim);
}
-static void
+void
bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp)
{
struct bfa_fcpim_s *fcpim = &fcp->fcpim;
@@ -2105,7 +2104,7 @@ bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
* is complete by driver. now invalidate the stale content of lun mask
* like unit attention, rp tag and lp tag.
*/
-static void
+void
bfa_ioim_lm_init(struct bfa_s *bfa)
{
struct bfa_lun_mask_s *lunm_list;
@@ -3634,11 +3633,7 @@ bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw)
}
}
-/* BFA FCP module - parent module for fcpim */
-
-BFA_MODULE(fcp);
-
-static void
+void
bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -3696,7 +3691,7 @@ bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
bfa_mem_kva_setup(minfo, fcp_kva, km_len);
}
-static void
+void
bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -3739,29 +3734,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
(fcp->num_itns * sizeof(struct bfa_itn_s)));
}
-static void
-bfa_fcp_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcp_start(struct bfa_s *bfa)
-{
- struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
-
- /*
- * bfa_init() with flash read is complete. now invalidate the stale
- * content of lun mask like unit attention, rp tag and lp tag.
- */
- bfa_ioim_lm_init(fcp->bfa);
-}
-
-static void
-bfa_fcp_stop(struct bfa_s *bfa)
-{
-}
-
-static void
+void
bfa_fcp_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 4ddda72f60e6..638c0a2857f7 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -89,16 +89,27 @@ static struct {
void (*online) (struct bfa_fcs_lport_s *port);
void (*offline) (struct bfa_fcs_lport_s *port);
} __port_action[] = {
- {
- bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
- bfa_fcs_lport_unknown_offline}, {
- bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
- bfa_fcs_lport_fab_offline}, {
- bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
- bfa_fcs_lport_n2n_offline}, {
- bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
- bfa_fcs_lport_loop_offline},
- };
+ [BFA_FCS_FABRIC_UNKNOWN] = {
+ .init = bfa_fcs_lport_unknown_init,
+ .online = bfa_fcs_lport_unknown_online,
+ .offline = bfa_fcs_lport_unknown_offline
+ },
+ [BFA_FCS_FABRIC_SWITCHED] = {
+ .init = bfa_fcs_lport_fab_init,
+ .online = bfa_fcs_lport_fab_online,
+ .offline = bfa_fcs_lport_fab_offline
+ },
+ [BFA_FCS_FABRIC_N2N] = {
+ .init = bfa_fcs_lport_n2n_init,
+ .online = bfa_fcs_lport_n2n_online,
+ .offline = bfa_fcs_lport_n2n_offline
+ },
+ [BFA_FCS_FABRIC_LOOP] = {
+ .init = bfa_fcs_lport_loop_init,
+ .online = bfa_fcs_lport_loop_online,
+ .offline = bfa_fcs_lport_loop_offline
+ },
+};
/*
* fcs_port_sm FCS logical port state machine
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index a1ada4a31c97..256f4afaccf9 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -5822,12 +5822,6 @@ bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg)
}
/*
- * DCONF module specific
- */
-
-BFA_MODULE(dconf);
-
-/*
* DCONF state machine events
*/
enum bfa_dconf_event {
@@ -6073,7 +6067,7 @@ bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf,
/*
* Compute and return memory needed by DRV_CFG module.
*/
-static void
+void
bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
struct bfa_s *bfa)
{
@@ -6087,9 +6081,8 @@ bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
sizeof(struct bfa_dconf_s));
}
-static void
-bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
- struct bfa_pcidev_s *pcidev)
+void
+bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
@@ -6134,33 +6127,20 @@ bfa_dconf_modinit(struct bfa_s *bfa)
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT);
}
-static void
-bfa_dconf_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_dconf_stop(struct bfa_s *bfa)
-{
-}
static void bfa_dconf_timer(void *cbarg)
{
struct bfa_dconf_mod_s *dconf = cbarg;
bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT);
}
-static void
+
+void
bfa_dconf_iocdisable(struct bfa_s *bfa)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE);
}
-static void
-bfa_dconf_detach(struct bfa_s *bfa)
-{
-}
-
static bfa_status_t
bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf)
{
diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h
index 53135f21fa0e..1c2ab395e616 100644
--- a/drivers/scsi/bfa/bfa_modules.h
+++ b/drivers/scsi/bfa/bfa_modules.h
@@ -61,54 +61,8 @@ enum {
BFA_TRC_HAL_IOCFC_CB = 5,
};
-/*
- * Macro to define a new BFA module
- */
-#define BFA_MODULE(__mod) \
- static void bfa_ ## __mod ## _meminfo( \
- struct bfa_iocfc_cfg_s *cfg, \
- struct bfa_meminfo_s *meminfo, \
- struct bfa_s *bfa); \
- static void bfa_ ## __mod ## _attach(struct bfa_s *bfa, \
- void *bfad, struct bfa_iocfc_cfg_s *cfg, \
- struct bfa_pcidev_s *pcidev); \
- static void bfa_ ## __mod ## _detach(struct bfa_s *bfa); \
- static void bfa_ ## __mod ## _start(struct bfa_s *bfa); \
- static void bfa_ ## __mod ## _stop(struct bfa_s *bfa); \
- static void bfa_ ## __mod ## _iocdisable(struct bfa_s *bfa); \
- \
- extern struct bfa_module_s hal_mod_ ## __mod; \
- struct bfa_module_s hal_mod_ ## __mod = { \
- bfa_ ## __mod ## _meminfo, \
- bfa_ ## __mod ## _attach, \
- bfa_ ## __mod ## _detach, \
- bfa_ ## __mod ## _start, \
- bfa_ ## __mod ## _stop, \
- bfa_ ## __mod ## _iocdisable, \
- }
-
#define BFA_CACHELINE_SZ (256)
-/*
- * Structure used to interact between different BFA sub modules
- *
- * Each sub module needs to implement only the entry points relevant to it (and
- * can leave entry points as NULL)
- */
-struct bfa_module_s {
- void (*meminfo) (struct bfa_iocfc_cfg_s *cfg,
- struct bfa_meminfo_s *meminfo,
- struct bfa_s *bfa);
- void (*attach) (struct bfa_s *bfa, void *bfad,
- struct bfa_iocfc_cfg_s *cfg,
- struct bfa_pcidev_s *pcidev);
- void (*detach) (struct bfa_s *bfa);
- void (*start) (struct bfa_s *bfa);
- void (*stop) (struct bfa_s *bfa);
- void (*iocdisable) (struct bfa_s *bfa);
-};
-
-
struct bfa_s {
void *bfad; /* BFA driver instance */
struct bfa_plog_s *plog; /* portlog buffer */
@@ -127,14 +81,51 @@ struct bfa_s {
};
extern bfa_boolean_t bfa_auto_recover;
-extern struct bfa_module_s hal_mod_fcdiag;
-extern struct bfa_module_s hal_mod_sgpg;
-extern struct bfa_module_s hal_mod_fcport;
-extern struct bfa_module_s hal_mod_fcxp;
-extern struct bfa_module_s hal_mod_lps;
-extern struct bfa_module_s hal_mod_uf;
-extern struct bfa_module_s hal_mod_rport;
-extern struct bfa_module_s hal_mod_fcp;
-extern struct bfa_module_s hal_mod_dconf;
+
+void bfa_dconf_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *);
+void bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_dconf_iocdisable(struct bfa_s *);
+void bfa_fcp_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_fcp_iocdisable(struct bfa_s *bfa);
+void bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *);
+void bfa_fcport_start(struct bfa_s *);
+void bfa_fcport_iocdisable(struct bfa_s *);
+void bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_fcport_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_fcxp_iocdisable(struct bfa_s *);
+void bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_fcxp_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_fcdiag_iocdisable(struct bfa_s *);
+void bfa_fcdiag_attach(struct bfa_s *bfa, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_ioim_lm_init(struct bfa_s *);
+void bfa_lps_iocdisable(struct bfa_s *bfa);
+void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_lps_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_rport_iocdisable(struct bfa_s *bfa);
+void bfa_rport_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_rport_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_sgpg_attach(struct bfa_s *, void *bfad, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_uf_iocdisable(struct bfa_s *);
+void bfa_uf_meminfo(struct bfa_iocfc_cfg_s *, struct bfa_meminfo_s *,
+ struct bfa_s *);
+void bfa_uf_attach(struct bfa_s *, void *, struct bfa_iocfc_cfg_s *,
+ struct bfa_pcidev_s *);
+void bfa_uf_start(struct bfa_s *);
#endif /* __BFA_MODULES_H__ */
diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c
index 12de292175ef..e640223bab3c 100644
--- a/drivers/scsi/bfa/bfa_svc.c
+++ b/drivers/scsi/bfa/bfa_svc.c
@@ -23,13 +23,6 @@
#include "bfa_modules.h"
BFA_TRC_FILE(HAL, FCXP);
-BFA_MODULE(fcdiag);
-BFA_MODULE(fcxp);
-BFA_MODULE(sgpg);
-BFA_MODULE(lps);
-BFA_MODULE(fcport);
-BFA_MODULE(rport);
-BFA_MODULE(uf);
/*
* LPS related definitions
@@ -121,15 +114,6 @@ static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
/*
* forward declarations for LPS functions
*/
-static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg,
- struct bfa_meminfo_s *minfo, struct bfa_s *bfa);
-static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
- struct bfa_iocfc_cfg_s *cfg,
- struct bfa_pcidev_s *pcidev);
-static void bfa_lps_detach(struct bfa_s *bfa);
-static void bfa_lps_start(struct bfa_s *bfa);
-static void bfa_lps_stop(struct bfa_s *bfa);
-static void bfa_lps_iocdisable(struct bfa_s *bfa);
static void bfa_lps_login_rsp(struct bfa_s *bfa,
struct bfi_lps_login_rsp_s *rsp);
static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count);
@@ -484,7 +468,7 @@ claim_fcxps_mem(struct bfa_fcxp_mod_s *mod)
bfa_mem_kva_curp(mod) = (void *)fcxp;
}
-static void
+void
bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -522,7 +506,7 @@ bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s));
}
-static void
+void
bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -544,22 +528,7 @@ bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
claim_fcxps_mem(mod);
}
-static void
-bfa_fcxp_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcxp_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcxp_stop(struct bfa_s *bfa)
-{
-}
-
-static void
+void
bfa_fcxp_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
@@ -1510,7 +1479,7 @@ bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
/*
* return memory requirement
*/
-static void
+void
bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -1527,7 +1496,7 @@ bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
/*
* bfa module attach at initialization time
*/
-static void
+void
bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -1557,25 +1526,10 @@ bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
}
}
-static void
-bfa_lps_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_lps_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_lps_stop(struct bfa_s *bfa)
-{
-}
-
/*
* IOC in disabled state -- consider all lps offline
*/
-static void
+void
bfa_lps_iocdisable(struct bfa_s *bfa)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
@@ -3055,7 +3009,7 @@ bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event)
#define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
BFA_CACHELINE_SZ))
-static void
+void
bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -3086,7 +3040,7 @@ bfa_fcport_mem_claim(struct bfa_fcport_s *fcport)
/*
* Memory initialization.
*/
-static void
+void
bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -3131,34 +3085,16 @@ bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
}
-static void
-bfa_fcport_detach(struct bfa_s *bfa)
-{
-}
-
-/*
- * Called when IOC is ready.
- */
-static void
+void
bfa_fcport_start(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
}
/*
- * Called before IOC is stopped.
- */
-static void
-bfa_fcport_stop(struct bfa_s *bfa)
-{
- bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_STOP);
- bfa_trunk_iocdisable(bfa);
-}
-
-/*
* Called when IOC failure is detected.
*/
-static void
+void
bfa_fcport_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
@@ -4886,7 +4822,7 @@ bfa_rport_qresume(void *cbarg)
bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
}
-static void
+void
bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -4900,7 +4836,7 @@ bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s));
}
-static void
+void
bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -4940,22 +4876,7 @@ bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
bfa_mem_kva_curp(mod) = (u8 *) rp;
}
-static void
-bfa_rport_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_rport_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_rport_stop(struct bfa_s *bfa)
-{
-}
-
-static void
+void
bfa_rport_iocdisable(struct bfa_s *bfa)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
@@ -5246,7 +5167,7 @@ bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
/*
* Compute and return memory needed by FCP(im) module.
*/
-static void
+void
bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -5281,7 +5202,7 @@ bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
cfg->drvcfg.num_sgpgs * sizeof(struct bfa_sgpg_s));
}
-static void
+void
bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -5344,26 +5265,6 @@ bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
bfa_mem_kva_curp(mod) = (u8 *) hsgpg;
}
-static void
-bfa_sgpg_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_sgpg_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_sgpg_stop(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_sgpg_iocdisable(struct bfa_s *bfa)
-{
-}
-
bfa_status_t
bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
{
@@ -5547,7 +5448,7 @@ uf_mem_claim(struct bfa_uf_mod_s *ufm)
claim_uf_post_msgs(ufm);
}
-static void
+void
bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
@@ -5575,7 +5476,7 @@ bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
(sizeof(struct bfa_uf_s) + sizeof(struct bfi_uf_buf_post_s)));
}
-static void
+void
bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -5590,11 +5491,6 @@ bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
uf_mem_claim(ufm);
}
-static void
-bfa_uf_detach(struct bfa_s *bfa)
-{
-}
-
static struct bfa_uf_s *
bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
{
@@ -5682,12 +5578,7 @@ uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
}
-static void
-bfa_uf_stop(struct bfa_s *bfa)
-{
-}
-
-static void
+void
bfa_uf_iocdisable(struct bfa_s *bfa)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
@@ -5704,7 +5595,7 @@ bfa_uf_iocdisable(struct bfa_s *bfa)
}
}
-static void
+void
bfa_uf_start(struct bfa_s *bfa)
{
bfa_uf_post_all(BFA_UF_MOD(bfa));
@@ -5845,13 +5736,7 @@ bfa_fcdiag_set_busy_status(struct bfa_fcdiag_s *fcdiag)
fcport->diag_busy = BFA_FALSE;
}
-static void
-bfa_fcdiag_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
- struct bfa_s *bfa)
-{
-}
-
-static void
+void
bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
@@ -5870,7 +5755,7 @@ bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
memset(&dport->result, 0, sizeof(struct bfa_diag_dport_result_s));
}
-static void
+void
bfa_fcdiag_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
@@ -5888,21 +5773,6 @@ bfa_fcdiag_iocdisable(struct bfa_s *bfa)
}
static void
-bfa_fcdiag_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcdiag_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcdiag_stop(struct bfa_s *bfa)
-{
-}
-
-static void
bfa_fcdiag_queuetest_timeout(void *cbarg)
{
struct bfa_fcdiag_s *fcdiag = cbarg;
diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h
index 029bef82c057..62758e830d3b 100644
--- a/drivers/scsi/csiostor/csio_hw.h
+++ b/drivers/scsi/csiostor/csio_hw.h
@@ -95,7 +95,6 @@ enum {
};
struct csio_msix_entries {
- unsigned short vector; /* Assigned MSI-X vector */
void *dev_id; /* Priv object associated w/ this msix*/
char desc[24]; /* Description of this vector */
};
diff --git a/drivers/scsi/csiostor/csio_isr.c b/drivers/scsi/csiostor/csio_isr.c
index 2fb71c6c3b37..7c8814715711 100644
--- a/drivers/scsi/csiostor/csio_isr.c
+++ b/drivers/scsi/csiostor/csio_isr.c
@@ -383,17 +383,15 @@ csio_request_irqs(struct csio_hw *hw)
int rv, i, j, k = 0;
struct csio_msix_entries *entryp = &hw->msix_entries[0];
struct csio_scsi_cpu_info *info;
+ struct pci_dev *pdev = hw->pdev;
if (hw->intr_mode != CSIO_IM_MSIX) {
- rv = request_irq(hw->pdev->irq, csio_fcoe_isr,
- (hw->intr_mode == CSIO_IM_MSI) ?
- 0 : IRQF_SHARED,
- KBUILD_MODNAME, hw);
+ rv = request_irq(pci_irq_vector(pdev, 0), csio_fcoe_isr,
+ hw->intr_mode == CSIO_IM_MSI ? 0 : IRQF_SHARED,
+ KBUILD_MODNAME, hw);
if (rv) {
- if (hw->intr_mode == CSIO_IM_MSI)
- pci_disable_msi(hw->pdev);
csio_err(hw, "Failed to allocate interrupt line.\n");
- return -EINVAL;
+ goto out_free_irqs;
}
goto out;
@@ -402,22 +400,22 @@ csio_request_irqs(struct csio_hw *hw)
/* Add the MSIX vector descriptions */
csio_add_msix_desc(hw);
- rv = request_irq(entryp[k].vector, csio_nondata_isr, 0,
+ rv = request_irq(pci_irq_vector(pdev, k), csio_nondata_isr, 0,
entryp[k].desc, hw);
if (rv) {
csio_err(hw, "IRQ request failed for vec %d err:%d\n",
- entryp[k].vector, rv);
- goto err;
+ pci_irq_vector(pdev, k), rv);
+ goto out_free_irqs;
}
- entryp[k++].dev_id = (void *)hw;
+ entryp[k++].dev_id = hw;
- rv = request_irq(entryp[k].vector, csio_fwevt_isr, 0,
+ rv = request_irq(pci_irq_vector(pdev, k), csio_fwevt_isr, 0,
entryp[k].desc, hw);
if (rv) {
csio_err(hw, "IRQ request failed for vec %d err:%d\n",
- entryp[k].vector, rv);
- goto err;
+ pci_irq_vector(pdev, k), rv);
+ goto out_free_irqs;
}
entryp[k++].dev_id = (void *)hw;
@@ -429,51 +427,31 @@ csio_request_irqs(struct csio_hw *hw)
struct csio_scsi_qset *sqset = &hw->sqset[i][j];
struct csio_q *q = hw->wrm.q_arr[sqset->iq_idx];
- rv = request_irq(entryp[k].vector, csio_scsi_isr, 0,
+ rv = request_irq(pci_irq_vector(pdev, k), csio_scsi_isr, 0,
entryp[k].desc, q);
if (rv) {
csio_err(hw,
"IRQ request failed for vec %d err:%d\n",
- entryp[k].vector, rv);
- goto err;
+ pci_irq_vector(pdev, k), rv);
+ goto out_free_irqs;
}
- entryp[k].dev_id = (void *)q;
+ entryp[k].dev_id = q;
} /* for all scsi cpus */
} /* for all ports */
out:
hw->flags |= CSIO_HWF_HOST_INTR_ENABLED;
-
return 0;
-err:
- for (i = 0; i < k; i++) {
- entryp = &hw->msix_entries[i];
- free_irq(entryp->vector, entryp->dev_id);
- }
- pci_disable_msix(hw->pdev);
-
+out_free_irqs:
+ for (i = 0; i < k; i++)
+ free_irq(pci_irq_vector(pdev, i), hw->msix_entries[i].dev_id);
+ pci_free_irq_vectors(hw->pdev);
return -EINVAL;
}
-static void
-csio_disable_msix(struct csio_hw *hw, bool free)
-{
- int i;
- struct csio_msix_entries *entryp;
- int cnt = hw->num_sqsets + CSIO_EXTRA_VECS;
-
- if (free) {
- for (i = 0; i < cnt; i++) {
- entryp = &hw->msix_entries[i];
- free_irq(entryp->vector, entryp->dev_id);
- }
- }
- pci_disable_msix(hw->pdev);
-}
-
/* Reduce per-port max possible CPUs */
static void
csio_reduce_sqsets(struct csio_hw *hw, int cnt)
@@ -500,10 +478,9 @@ static int
csio_enable_msix(struct csio_hw *hw)
{
int i, j, k, n, min, cnt;
- struct csio_msix_entries *entryp;
- struct msix_entry *entries;
int extra = CSIO_EXTRA_VECS;
struct csio_scsi_cpu_info *info;
+ struct irq_affinity desc = { .pre_vectors = 2 };
min = hw->num_pports + extra;
cnt = hw->num_sqsets + extra;
@@ -512,50 +489,35 @@ csio_enable_msix(struct csio_hw *hw)
if (hw->flags & CSIO_HWF_USING_SOFT_PARAMS || !csio_is_hw_master(hw))
cnt = min_t(uint8_t, hw->cfg_niq, cnt);
- entries = kzalloc(sizeof(struct msix_entry) * cnt, GFP_KERNEL);
- if (!entries)
- return -ENOMEM;
-
- for (i = 0; i < cnt; i++)
- entries[i].entry = (uint16_t)i;
-
csio_dbg(hw, "FW supp #niq:%d, trying %d msix's\n", hw->cfg_niq, cnt);
- cnt = pci_enable_msix_range(hw->pdev, entries, min, cnt);
- if (cnt < 0) {
- kfree(entries);
+ cnt = pci_alloc_irq_vectors_affinity(hw->pdev, min, cnt,
+ PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &desc);
+ if (cnt < 0)
return cnt;
- }
if (cnt < (hw->num_sqsets + extra)) {
csio_dbg(hw, "Reducing sqsets to %d\n", cnt - extra);
csio_reduce_sqsets(hw, cnt - extra);
}
- /* Save off vectors */
- for (i = 0; i < cnt; i++) {
- entryp = &hw->msix_entries[i];
- entryp->vector = entries[i].vector;
- }
-
/* Distribute vectors */
k = 0;
- csio_set_nondata_intr_idx(hw, entries[k].entry);
- csio_set_mb_intr_idx(csio_hw_to_mbm(hw), entries[k++].entry);
- csio_set_fwevt_intr_idx(hw, entries[k++].entry);
+ csio_set_nondata_intr_idx(hw, k);
+ csio_set_mb_intr_idx(csio_hw_to_mbm(hw), k++);
+ csio_set_fwevt_intr_idx(hw, k++);
for (i = 0; i < hw->num_pports; i++) {
info = &hw->scsi_cpu_info[i];
for (j = 0; j < hw->num_scsi_msix_cpus; j++) {
n = (j % info->max_cpus) + k;
- hw->sqset[i][j].intr_idx = entries[n].entry;
+ hw->sqset[i][j].intr_idx = n;
}
k += info->max_cpus;
}
- kfree(entries);
return 0;
}
@@ -597,22 +559,26 @@ csio_intr_disable(struct csio_hw *hw, bool free)
{
csio_hw_intr_disable(hw);
- switch (hw->intr_mode) {
- case CSIO_IM_MSIX:
- csio_disable_msix(hw, free);
- break;
- case CSIO_IM_MSI:
- if (free)
- free_irq(hw->pdev->irq, hw);
- pci_disable_msi(hw->pdev);
- break;
- case CSIO_IM_INTX:
- if (free)
- free_irq(hw->pdev->irq, hw);
- break;
- default:
- break;
+ if (free) {
+ int i;
+
+ switch (hw->intr_mode) {
+ case CSIO_IM_MSIX:
+ for (i = 0; i < hw->num_sqsets + CSIO_EXTRA_VECS; i++) {
+ free_irq(pci_irq_vector(hw->pdev, i),
+ hw->msix_entries[i].dev_id);
+ }
+ break;
+ case CSIO_IM_MSI:
+ case CSIO_IM_INTX:
+ free_irq(pci_irq_vector(hw->pdev, 0), hw);
+ break;
+ default:
+ break;
+ }
}
+
+ pci_free_irq_vectors(hw->pdev);
hw->intr_mode = CSIO_IM_NONE;
hw->flags &= ~CSIO_HWF_HOST_INTR_ENABLED;
}
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 3fb3f5708ff7..1076c1578322 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -36,7 +36,7 @@ static unsigned int dbg_level;
#include "../libcxgbi.h"
#define DRV_MODULE_NAME "cxgb4i"
-#define DRV_MODULE_DESC "Chelsio T4/T5 iSCSI Driver"
+#define DRV_MODULE_DESC "Chelsio T4-T6 iSCSI Driver"
#define DRV_MODULE_VERSION "0.9.5-ko"
#define DRV_MODULE_RELDATE "Apr. 2015"
diff --git a/drivers/scsi/cxlflash/common.h b/drivers/scsi/cxlflash/common.h
index d11dcc59ff46..256af819377d 100644
--- a/drivers/scsi/cxlflash/common.h
+++ b/drivers/scsi/cxlflash/common.h
@@ -15,6 +15,7 @@
#ifndef _CXLFLASH_COMMON_H
#define _CXLFLASH_COMMON_H
+#include <linux/irq_poll.h>
#include <linux/list.h>
#include <linux/rwsem.h>
#include <linux/types.h>
@@ -24,30 +25,32 @@
extern const struct file_operations cxlflash_cxl_fops;
-#define MAX_CONTEXT CXLFLASH_MAX_CONTEXT /* num contexts per afu */
+#define MAX_CONTEXT CXLFLASH_MAX_CONTEXT /* num contexts per afu */
+#define MAX_FC_PORTS CXLFLASH_MAX_FC_PORTS /* max ports per AFU */
+#define LEGACY_FC_PORTS 2 /* legacy ports per AFU */
-#define CXLFLASH_BLOCK_SIZE 4096 /* 4K blocks */
+#define CHAN2PORTBANK(_x) ((_x) >> ilog2(CXLFLASH_NUM_FC_PORTS_PER_BANK))
+#define CHAN2BANKPORT(_x) ((_x) & (CXLFLASH_NUM_FC_PORTS_PER_BANK - 1))
+
+#define CHAN2PORTMASK(_x) (1 << (_x)) /* channel to port mask */
+#define PORTMASK2CHAN(_x) (ilog2((_x))) /* port mask to channel */
+#define PORTNUM2CHAN(_x) ((_x) - 1) /* port number to channel */
+
+#define CXLFLASH_BLOCK_SIZE 4096 /* 4K blocks */
#define CXLFLASH_MAX_XFER_SIZE 16777216 /* 16MB transfer */
#define CXLFLASH_MAX_SECTORS (CXLFLASH_MAX_XFER_SIZE/512) /* SCSI wants
- max_sectors
- in units of
- 512 byte
- sectors
- */
+ * max_sectors
+ * in units of
+ * 512 byte
+ * sectors
+ */
#define MAX_RHT_PER_CONTEXT (PAGE_SIZE / sizeof(struct sisl_rht_entry))
/* AFU command retry limit */
-#define MC_RETRY_CNT 5 /* sufficient for SCSI check and
- certain AFU errors */
+#define MC_RETRY_CNT 5 /* Sufficient for SCSI and certain AFU errors */
/* Command management definitions */
-#define CXLFLASH_NUM_CMDS (2 * CXLFLASH_MAX_CMDS) /* Must be a pow2 for
- alignment and more
- efficient array
- index derivation
- */
-
#define CXLFLASH_MAX_CMDS 256
#define CXLFLASH_MAX_CMDS_PER_LUN CXLFLASH_MAX_CMDS
@@ -57,10 +60,16 @@ extern const struct file_operations cxlflash_cxl_fops;
/* SQ for master issued cmds */
#define NUM_SQ_ENTRY CXLFLASH_MAX_CMDS
+/* Hardware queue definitions */
+#define CXLFLASH_DEF_HWQS 1
+#define CXLFLASH_MAX_HWQS 8
+#define PRIMARY_HWQ 0
+
static inline void check_sizes(void)
{
- BUILD_BUG_ON_NOT_POWER_OF_2(CXLFLASH_NUM_CMDS);
+ BUILD_BUG_ON_NOT_POWER_OF_2(CXLFLASH_NUM_FC_PORTS_PER_BANK);
+ BUILD_BUG_ON_NOT_POWER_OF_2(CXLFLASH_MAX_CMDS);
}
/* AFU defines a fixed size of 4K for command buffers (borrow 4K page define) */
@@ -80,11 +89,20 @@ enum cxlflash_init_state {
};
enum cxlflash_state {
+ STATE_PROBING, /* Initial state during probe */
+ STATE_PROBED, /* Temporary state, probe completed but EEH occurred */
STATE_NORMAL, /* Normal running state, everything good */
STATE_RESET, /* Reset state, trying to reset/recover */
STATE_FAILTERM /* Failed/terminating state, error out users/threads */
};
+enum cxlflash_hwq_mode {
+ HWQ_MODE_RR, /* Roundrobin (default) */
+ HWQ_MODE_TAG, /* Distribute based on block MQ tag */
+ HWQ_MODE_CPU, /* CPU affinity */
+ MAX_HWQ_MODE
+};
+
/*
* Each context has its own set of resource handles that is visible
* only from that context.
@@ -92,11 +110,11 @@ enum cxlflash_state {
struct cxlflash_cfg {
struct afu *afu;
- struct cxl_context *mcctx;
struct pci_dev *dev;
struct pci_device_id *dev_id;
struct Scsi_Host *host;
+ int num_fc_ports;
ulong cxlflash_regs_pci;
@@ -117,7 +135,7 @@ struct cxlflash_cfg {
struct file_operations cxl_fops;
/* Parameters that are LUN table related */
- int last_lun_index[CXLFLASH_NUM_FC_PORTS];
+ int last_lun_index[MAX_FC_PORTS];
int promote_lun_index;
struct list_head lluns; /* list of llun_info structs */
@@ -134,6 +152,8 @@ struct afu_cmd {
struct afu *parent;
struct scsi_cmnd *scp;
struct completion cevent;
+ struct list_head queue;
+ u32 hwq_index;
u8 cmd_tmf:1;
@@ -156,7 +176,7 @@ static inline struct afu_cmd *sc_to_afucz(struct scsi_cmnd *sc)
return afuc;
}
-struct afu {
+struct hwq {
/* Stuff requiring alignment go first. */
struct sisl_ioarcb sq[NUM_SQ_ENTRY]; /* 16K SQ */
u64 rrq_entry[NUM_RRQ_ENTRY]; /* 2K RRQ */
@@ -164,40 +184,67 @@ struct afu {
/* Beware of alignment till here. Preferably introduce new
* fields after this point
*/
-
- int (*send_cmd)(struct afu *, struct afu_cmd *);
- void (*context_reset)(struct afu_cmd *);
-
- /* AFU HW */
+ struct afu *afu;
+ struct cxl_context *ctx;
struct cxl_ioctl_start_work work;
- struct cxlflash_afu_map __iomem *afu_map; /* entire MMIO map */
struct sisl_host_map __iomem *host_map; /* MC host map */
struct sisl_ctrl_map __iomem *ctrl_map; /* MC control map */
-
ctx_hndl_t ctx_hndl; /* master's context handle */
+ u32 index; /* Index of this hwq */
atomic_t hsq_credits;
spinlock_t hsq_slock;
struct sisl_ioarcb *hsq_start;
struct sisl_ioarcb *hsq_end;
struct sisl_ioarcb *hsq_curr;
+ spinlock_t hrrq_slock;
u64 *hrrq_start;
u64 *hrrq_end;
u64 *hrrq_curr;
bool toggle;
- atomic_t cmds_active; /* Number of currently active AFU commands */
+
s64 room;
spinlock_t rrin_slock; /* Lock to rrin queuing and cmd_room updates */
+
+ struct irq_poll irqpoll;
+} __aligned(cache_line_size());
+
+struct afu {
+ struct hwq hwqs[CXLFLASH_MAX_HWQS];
+ int (*send_cmd)(struct afu *, struct afu_cmd *);
+ void (*context_reset)(struct afu_cmd *);
+
+ /* AFU HW */
+ struct cxlflash_afu_map __iomem *afu_map; /* entire MMIO map */
+
+ atomic_t cmds_active; /* Number of currently active AFU commands */
u64 hb;
u32 internal_lun; /* User-desired LUN mode for this AFU */
+ u32 num_hwqs; /* Number of hardware queues */
+ u32 desired_hwqs; /* Desired h/w queues, effective on AFU reset */
+ enum cxlflash_hwq_mode hwq_mode; /* Steering mode for h/w queues */
+ u32 hwq_rr_count; /* Count to distribute traffic for roundrobin */
+
char version[16];
u64 interface_version;
+ u32 irqpoll_weight;
struct cxlflash_cfg *parent; /* Pointer back to parent cxlflash_cfg */
-
};
+static inline struct hwq *get_hwq(struct afu *afu, u32 index)
+{
+ WARN_ON(index >= CXLFLASH_MAX_HWQS);
+
+ return &afu->hwqs[index];
+}
+
+static inline bool afu_is_irqpoll_enabled(struct afu *afu)
+{
+ return !!afu->irqpoll_weight;
+}
+
static inline bool afu_is_cmd_mode(struct afu *afu, u64 cmd_mode)
{
u64 afu_cap = afu->interface_version >> SISL_INTVER_CAP_SHIFT;
@@ -223,14 +270,36 @@ static inline u64 lun_to_lunid(u64 lun)
return be64_to_cpu(lun_id);
}
-int cxlflash_afu_sync(struct afu *, ctx_hndl_t, res_hndl_t, u8);
+static inline struct fc_port_bank __iomem *get_fc_port_bank(
+ struct cxlflash_cfg *cfg, int i)
+{
+ struct afu *afu = cfg->afu;
+
+ return &afu->afu_map->global.bank[CHAN2PORTBANK(i)];
+}
+
+static inline __be64 __iomem *get_fc_port_regs(struct cxlflash_cfg *cfg, int i)
+{
+ struct fc_port_bank __iomem *fcpb = get_fc_port_bank(cfg, i);
+
+ return &fcpb->fc_port_regs[CHAN2BANKPORT(i)][0];
+}
+
+static inline __be64 __iomem *get_fc_port_luns(struct cxlflash_cfg *cfg, int i)
+{
+ struct fc_port_bank __iomem *fcpb = get_fc_port_bank(cfg, i);
+
+ return &fcpb->fc_port_luns[CHAN2BANKPORT(i)][0];
+}
+
+int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t c, res_hndl_t r, u8 mode);
void cxlflash_list_init(void);
void cxlflash_term_global_luns(void);
void cxlflash_free_errpage(void);
-int cxlflash_ioctl(struct scsi_device *, int, void __user *);
-void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *);
-int cxlflash_mark_contexts_error(struct cxlflash_cfg *);
-void cxlflash_term_local_luns(struct cxlflash_cfg *);
-void cxlflash_restore_luntable(struct cxlflash_cfg *);
+int cxlflash_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
+void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *cfg);
+int cxlflash_mark_contexts_error(struct cxlflash_cfg *cfg);
+void cxlflash_term_local_luns(struct cxlflash_cfg *cfg);
+void cxlflash_restore_luntable(struct cxlflash_cfg *cfg);
#endif /* ifndef _CXLFLASH_COMMON_H */
diff --git a/drivers/scsi/cxlflash/lunmgt.c b/drivers/scsi/cxlflash/lunmgt.c
index 0efed177cc8b..4d232e271af6 100644
--- a/drivers/scsi/cxlflash/lunmgt.c
+++ b/drivers/scsi/cxlflash/lunmgt.c
@@ -252,7 +252,7 @@ int cxlflash_manage_lun(struct scsi_device *sdev,
* in unpacked, AFU-friendly format, and hang LUN reference in
* the sdev.
*/
- lli->port_sel |= CHAN2PORT(chan);
+ lli->port_sel |= CHAN2PORTMASK(chan);
lli->lun_id[chan] = lun_to_lunid(sdev->lun);
sdev->hostdata = lli;
} else if (flags & DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE) {
@@ -264,7 +264,7 @@ int cxlflash_manage_lun(struct scsi_device *sdev,
* tracking when no more references exist.
*/
sdev->hostdata = NULL;
- lli->port_sel &= ~CHAN2PORT(chan);
+ lli->port_sel &= ~CHAN2PORTMASK(chan);
if (lli->port_sel == 0U)
lli->in_table = false;
}
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index 3061d8045382..a7d57c343492 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -176,7 +176,6 @@ static void cmd_complete(struct afu_cmd *cmd)
dev_dbg_ratelimited(dev, "%s:scp=%p result=%08x ioasc=%08x\n",
__func__, scp, scp->result, cmd->sa.ioasc);
- scsi_dma_unmap(scp);
scp->scsi_done(scp);
if (cmd_is_tmf) {
@@ -224,8 +223,9 @@ static void context_reset(struct afu_cmd *cmd, __be64 __iomem *reset_reg)
static void context_reset_ioarrin(struct afu_cmd *cmd)
{
struct afu *afu = cmd->parent;
+ struct hwq *hwq = get_hwq(afu, cmd->hwq_index);
- context_reset(cmd, &afu->host_map->ioarrin);
+ context_reset(cmd, &hwq->host_map->ioarrin);
}
/**
@@ -235,8 +235,9 @@ static void context_reset_ioarrin(struct afu_cmd *cmd)
static void context_reset_sq(struct afu_cmd *cmd)
{
struct afu *afu = cmd->parent;
+ struct hwq *hwq = get_hwq(afu, cmd->hwq_index);
- context_reset(cmd, &afu->host_map->sq_ctx_reset);
+ context_reset(cmd, &hwq->host_map->sq_ctx_reset);
}
/**
@@ -251,6 +252,7 @@ static int send_cmd_ioarrin(struct afu *afu, struct afu_cmd *cmd)
{
struct cxlflash_cfg *cfg = afu->parent;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq = get_hwq(afu, cmd->hwq_index);
int rc = 0;
s64 room;
ulong lock_flags;
@@ -259,23 +261,23 @@ static int send_cmd_ioarrin(struct afu *afu, struct afu_cmd *cmd)
* To avoid the performance penalty of MMIO, spread the update of
* 'room' over multiple commands.
*/
- spin_lock_irqsave(&afu->rrin_slock, lock_flags);
- if (--afu->room < 0) {
- room = readq_be(&afu->host_map->cmd_room);
+ spin_lock_irqsave(&hwq->rrin_slock, lock_flags);
+ if (--hwq->room < 0) {
+ room = readq_be(&hwq->host_map->cmd_room);
if (room <= 0) {
dev_dbg_ratelimited(dev, "%s: no cmd_room to send "
"0x%02X, room=0x%016llX\n",
__func__, cmd->rcb.cdb[0], room);
- afu->room = 0;
+ hwq->room = 0;
rc = SCSI_MLQUEUE_HOST_BUSY;
goto out;
}
- afu->room = room - 1;
+ hwq->room = room - 1;
}
- writeq_be((u64)&cmd->rcb, &afu->host_map->ioarrin);
+ writeq_be((u64)&cmd->rcb, &hwq->host_map->ioarrin);
out:
- spin_unlock_irqrestore(&afu->rrin_slock, lock_flags);
+ spin_unlock_irqrestore(&hwq->rrin_slock, lock_flags);
dev_dbg(dev, "%s: cmd=%p len=%u ea=%016llx rc=%d\n", __func__,
cmd, cmd->rcb.data_len, cmd->rcb.data_ea, rc);
return rc;
@@ -293,11 +295,12 @@ static int send_cmd_sq(struct afu *afu, struct afu_cmd *cmd)
{
struct cxlflash_cfg *cfg = afu->parent;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq = get_hwq(afu, cmd->hwq_index);
int rc = 0;
int newval;
ulong lock_flags;
- newval = atomic_dec_if_positive(&afu->hsq_credits);
+ newval = atomic_dec_if_positive(&hwq->hsq_credits);
if (newval <= 0) {
rc = SCSI_MLQUEUE_HOST_BUSY;
goto out;
@@ -305,22 +308,22 @@ static int send_cmd_sq(struct afu *afu, struct afu_cmd *cmd)
cmd->rcb.ioasa = &cmd->sa;
- spin_lock_irqsave(&afu->hsq_slock, lock_flags);
+ spin_lock_irqsave(&hwq->hsq_slock, lock_flags);
- *afu->hsq_curr = cmd->rcb;
- if (afu->hsq_curr < afu->hsq_end)
- afu->hsq_curr++;
+ *hwq->hsq_curr = cmd->rcb;
+ if (hwq->hsq_curr < hwq->hsq_end)
+ hwq->hsq_curr++;
else
- afu->hsq_curr = afu->hsq_start;
- writeq_be((u64)afu->hsq_curr, &afu->host_map->sq_tail);
+ hwq->hsq_curr = hwq->hsq_start;
+ writeq_be((u64)hwq->hsq_curr, &hwq->host_map->sq_tail);
- spin_unlock_irqrestore(&afu->hsq_slock, lock_flags);
+ spin_unlock_irqrestore(&hwq->hsq_slock, lock_flags);
out:
dev_dbg(dev, "%s: cmd=%p len=%u ea=%016llx ioasa=%p rc=%d curr=%p "
"head=%016llx tail=%016llx\n", __func__, cmd, cmd->rcb.data_len,
- cmd->rcb.data_ea, cmd->rcb.ioasa, rc, afu->hsq_curr,
- readq_be(&afu->host_map->sq_head),
- readq_be(&afu->host_map->sq_tail));
+ cmd->rcb.data_ea, cmd->rcb.ioasa, rc, hwq->hsq_curr,
+ readq_be(&hwq->host_map->sq_head),
+ readq_be(&hwq->host_map->sq_tail));
return rc;
}
@@ -355,6 +358,43 @@ static int wait_resp(struct afu *afu, struct afu_cmd *cmd)
}
/**
+ * cmd_to_target_hwq() - selects a target hardware queue for a SCSI command
+ * @host: SCSI host associated with device.
+ * @scp: SCSI command to send.
+ * @afu: SCSI command to send.
+ *
+ * Hashes a command based upon the hardware queue mode.
+ *
+ * Return: Trusted index of target hardware queue
+ */
+static u32 cmd_to_target_hwq(struct Scsi_Host *host, struct scsi_cmnd *scp,
+ struct afu *afu)
+{
+ u32 tag;
+ u32 hwq = 0;
+
+ if (afu->num_hwqs == 1)
+ return 0;
+
+ switch (afu->hwq_mode) {
+ case HWQ_MODE_RR:
+ hwq = afu->hwq_rr_count++ % afu->num_hwqs;
+ break;
+ case HWQ_MODE_TAG:
+ tag = blk_mq_unique_tag(scp->request);
+ hwq = blk_mq_unique_tag_to_hwq(tag);
+ break;
+ case HWQ_MODE_CPU:
+ hwq = smp_processor_id() % afu->num_hwqs;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ }
+
+ return hwq;
+}
+
+/**
* send_tmf() - sends a Task Management Function (TMF)
* @afu: AFU to checkout from.
* @scp: SCSI command from stack.
@@ -365,10 +405,12 @@ static int wait_resp(struct afu *afu, struct afu_cmd *cmd)
*/
static int send_tmf(struct afu *afu, struct scsi_cmnd *scp, u64 tmfcmd)
{
- u32 port_sel = scp->device->channel + 1;
- struct cxlflash_cfg *cfg = shost_priv(scp->device->host);
+ struct Scsi_Host *host = scp->device->host;
+ struct cxlflash_cfg *cfg = shost_priv(host);
struct afu_cmd *cmd = sc_to_afucz(scp);
struct device *dev = &cfg->dev->dev;
+ int hwq_index = cmd_to_target_hwq(host, scp, afu);
+ struct hwq *hwq = get_hwq(afu, hwq_index);
ulong lock_flags;
int rc = 0;
ulong to;
@@ -385,10 +427,11 @@ static int send_tmf(struct afu *afu, struct scsi_cmnd *scp, u64 tmfcmd)
cmd->scp = scp;
cmd->parent = afu;
cmd->cmd_tmf = true;
+ cmd->hwq_index = hwq_index;
- cmd->rcb.ctx_id = afu->ctx_hndl;
+ cmd->rcb.ctx_id = hwq->ctx_hndl;
cmd->rcb.msi = SISL_MSI_RRQ_UPDATED;
- cmd->rcb.port_sel = port_sel;
+ cmd->rcb.port_sel = CHAN2PORTMASK(scp->device->channel);
cmd->rcb.lun_id = lun_to_lunid(scp->device->lun);
cmd->rcb.req_flags = (SISL_REQ_FLAGS_PORT_LUN_ID |
SISL_REQ_FLAGS_SUP_UNDERRUN |
@@ -444,10 +487,10 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
struct device *dev = &cfg->dev->dev;
struct afu_cmd *cmd = sc_to_afucz(scp);
struct scatterlist *sg = scsi_sglist(scp);
- u32 port_sel = scp->device->channel + 1;
+ int hwq_index = cmd_to_target_hwq(host, scp, afu);
+ struct hwq *hwq = get_hwq(afu, hwq_index);
u16 req_flags = SISL_REQ_FLAGS_SUP_UNDERRUN;
ulong lock_flags;
- int nseg = 0;
int rc = 0;
dev_dbg_ratelimited(dev, "%s: (scp=%p) %d/%d/%d/%llu "
@@ -472,6 +515,8 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
spin_unlock_irqrestore(&cfg->tmf_slock, lock_flags);
switch (cfg->state) {
+ case STATE_PROBING:
+ case STATE_PROBED:
case STATE_RESET:
dev_dbg_ratelimited(dev, "%s: device is in reset\n", __func__);
rc = SCSI_MLQUEUE_HOST_BUSY;
@@ -487,23 +532,17 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
}
if (likely(sg)) {
- nseg = scsi_dma_map(scp);
- if (unlikely(nseg < 0)) {
- dev_err(dev, "%s: Fail DMA map\n", __func__);
- rc = SCSI_MLQUEUE_HOST_BUSY;
- goto out;
- }
-
- cmd->rcb.data_len = sg_dma_len(sg);
- cmd->rcb.data_ea = sg_dma_address(sg);
+ cmd->rcb.data_len = sg->length;
+ cmd->rcb.data_ea = (uintptr_t)sg_virt(sg);
}
cmd->scp = scp;
cmd->parent = afu;
+ cmd->hwq_index = hwq_index;
- cmd->rcb.ctx_id = afu->ctx_hndl;
+ cmd->rcb.ctx_id = hwq->ctx_hndl;
cmd->rcb.msi = SISL_MSI_RRQ_UPDATED;
- cmd->rcb.port_sel = port_sel;
+ cmd->rcb.port_sel = CHAN2PORTMASK(scp->device->channel);
cmd->rcb.lun_id = lun_to_lunid(scp->device->lun);
if (scp->sc_data_direction == DMA_TO_DEVICE)
@@ -513,8 +552,6 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
memcpy(cmd->rcb.cdb, scp->cmnd, sizeof(cmd->rcb.cdb));
rc = afu->send_cmd(afu, cmd);
- if (unlikely(rc))
- scsi_dma_unmap(scp);
out:
return rc;
}
@@ -554,17 +591,28 @@ static void free_mem(struct cxlflash_cfg *cfg)
* Safe to call with AFU in a partially allocated/initialized state.
*
* Cancels scheduled worker threads, waits for any active internal AFU
- * commands to timeout and then unmaps the MMIO space.
+ * commands to timeout, disables IRQ polling and then unmaps the MMIO space.
*/
static void stop_afu(struct cxlflash_cfg *cfg)
{
struct afu *afu = cfg->afu;
+ struct hwq *hwq;
+ int i;
cancel_work_sync(&cfg->work_q);
if (likely(afu)) {
while (atomic_read(&afu->cmds_active))
ssleep(1);
+
+ if (afu_is_irqpoll_enabled(afu)) {
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ irq_poll_disable(&hwq->irqpoll);
+ }
+ }
+
if (likely(afu->afu_map)) {
cxl_psa_unmap((void __iomem *)afu->afu_map);
afu->afu_map = NULL;
@@ -576,28 +624,40 @@ static void stop_afu(struct cxlflash_cfg *cfg)
* term_intr() - disables all AFU interrupts
* @cfg: Internal structure associated with the host.
* @level: Depth of allocation, where to begin waterfall tear down.
+ * @index: Index of the hardware queue.
*
* Safe to call with AFU/MC in partially allocated/initialized state.
*/
-static void term_intr(struct cxlflash_cfg *cfg, enum undo_level level)
+static void term_intr(struct cxlflash_cfg *cfg, enum undo_level level,
+ u32 index)
{
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq;
- if (!afu || !cfg->mcctx) {
- dev_err(dev, "%s: returning with NULL afu or MC\n", __func__);
+ if (!afu) {
+ dev_err(dev, "%s: returning with NULL afu\n", __func__);
+ return;
+ }
+
+ hwq = get_hwq(afu, index);
+
+ if (!hwq->ctx) {
+ dev_err(dev, "%s: returning with NULL MC\n", __func__);
return;
}
switch (level) {
case UNMAP_THREE:
- cxl_unmap_afu_irq(cfg->mcctx, 3, afu);
+ /* SISL_MSI_ASYNC_ERROR is setup only for the primary HWQ */
+ if (index == PRIMARY_HWQ)
+ cxl_unmap_afu_irq(hwq->ctx, 3, hwq);
case UNMAP_TWO:
- cxl_unmap_afu_irq(cfg->mcctx, 2, afu);
+ cxl_unmap_afu_irq(hwq->ctx, 2, hwq);
case UNMAP_ONE:
- cxl_unmap_afu_irq(cfg->mcctx, 1, afu);
+ cxl_unmap_afu_irq(hwq->ctx, 1, hwq);
case FREE_IRQ:
- cxl_free_afu_irqs(cfg->mcctx);
+ cxl_free_afu_irqs(hwq->ctx);
/* fall through */
case UNDO_NOOP:
/* No action required */
@@ -608,24 +668,32 @@ static void term_intr(struct cxlflash_cfg *cfg, enum undo_level level)
/**
* term_mc() - terminates the master context
* @cfg: Internal structure associated with the host.
- * @level: Depth of allocation, where to begin waterfall tear down.
+ * @index: Index of the hardware queue.
*
* Safe to call with AFU/MC in partially allocated/initialized state.
*/
-static void term_mc(struct cxlflash_cfg *cfg)
+static void term_mc(struct cxlflash_cfg *cfg, u32 index)
{
- int rc = 0;
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq;
- if (!afu || !cfg->mcctx) {
- dev_err(dev, "%s: returning with NULL afu or MC\n", __func__);
+ if (!afu) {
+ dev_err(dev, "%s: returning with NULL afu\n", __func__);
return;
}
- rc = cxl_stop_context(cfg->mcctx);
- WARN_ON(rc);
- cfg->mcctx = NULL;
+ hwq = get_hwq(afu, index);
+
+ if (!hwq->ctx) {
+ dev_err(dev, "%s: returning with NULL MC\n", __func__);
+ return;
+ }
+
+ WARN_ON(cxl_stop_context(hwq->ctx));
+ if (index != PRIMARY_HWQ)
+ WARN_ON(cxl_release_context(hwq->ctx));
+ hwq->ctx = NULL;
}
/**
@@ -637,21 +705,25 @@ static void term_mc(struct cxlflash_cfg *cfg)
static void term_afu(struct cxlflash_cfg *cfg)
{
struct device *dev = &cfg->dev->dev;
+ int k;
/*
* Tear down is carefully orchestrated to ensure
* no interrupts can come in when the problem state
* area is unmapped.
*
- * 1) Disable all AFU interrupts
+ * 1) Disable all AFU interrupts for each master
* 2) Unmap the problem state area
- * 3) Stop the master context
+ * 3) Stop each master context
*/
- term_intr(cfg, UNMAP_THREE);
+ for (k = cfg->afu->num_hwqs - 1; k >= 0; k--)
+ term_intr(cfg, UNMAP_THREE, k);
+
if (cfg->afu)
stop_afu(cfg);
- term_mc(cfg);
+ for (k = cfg->afu->num_hwqs - 1; k >= 0; k--)
+ term_mc(cfg, k);
dev_dbg(dev, "%s: returning\n", __func__);
}
@@ -670,8 +742,8 @@ static void notify_shutdown(struct cxlflash_cfg *cfg, bool wait)
{
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
- struct sisl_global_map __iomem *global;
struct dev_dependent_vals *ddv;
+ __be64 __iomem *fc_port_regs;
u64 reg, status;
int i, retry_cnt = 0;
@@ -684,23 +756,25 @@ static void notify_shutdown(struct cxlflash_cfg *cfg, bool wait)
return;
}
- global = &afu->afu_map->global;
-
/* Notify AFU */
- for (i = 0; i < NUM_FC_PORTS; i++) {
- reg = readq_be(&global->fc_regs[i][FC_CONFIG2 / 8]);
+ for (i = 0; i < cfg->num_fc_ports; i++) {
+ fc_port_regs = get_fc_port_regs(cfg, i);
+
+ reg = readq_be(&fc_port_regs[FC_CONFIG2 / 8]);
reg |= SISL_FC_SHUTDOWN_NORMAL;
- writeq_be(reg, &global->fc_regs[i][FC_CONFIG2 / 8]);
+ writeq_be(reg, &fc_port_regs[FC_CONFIG2 / 8]);
}
if (!wait)
return;
/* Wait up to 1.5 seconds for shutdown processing to complete */
- for (i = 0; i < NUM_FC_PORTS; i++) {
+ for (i = 0; i < cfg->num_fc_ports; i++) {
+ fc_port_regs = get_fc_port_regs(cfg, i);
retry_cnt = 0;
+
while (true) {
- status = readq_be(&global->fc_regs[i][FC_STATUS / 8]);
+ status = readq_be(&fc_port_regs[FC_STATUS / 8]);
if (status & SISL_STATUS_SHUTDOWN_COMPLETE)
break;
if (++retry_cnt >= MC_RETRY_CNT) {
@@ -717,7 +791,8 @@ static void notify_shutdown(struct cxlflash_cfg *cfg, bool wait)
* cxlflash_remove() - PCI entry point to tear down host
* @pdev: PCI device associated with the host.
*
- * Safe to use as a cleanup in partially allocated/initialized state.
+ * Safe to use as a cleanup in partially allocated/initialized state. Note that
+ * the reset_waitq is flushed as part of the stop/termination of user contexts.
*/
static void cxlflash_remove(struct pci_dev *pdev)
{
@@ -750,7 +825,6 @@ static void cxlflash_remove(struct pci_dev *pdev)
case INIT_STATE_SCSI:
cxlflash_term_local_luns(cfg);
scsi_remove_host(cfg->host);
- /* fall through */
case INIT_STATE_AFU:
term_afu(cfg);
case INIT_STATE_PCI:
@@ -789,6 +863,7 @@ static int alloc_mem(struct cxlflash_cfg *cfg)
goto out;
}
cfg->afu->parent = cfg;
+ cfg->afu->desired_hwqs = CXLFLASH_DEF_HWQS;
cfg->afu->afu_map = NULL;
out:
return rc;
@@ -1024,53 +1099,16 @@ static void afu_link_reset(struct afu *afu, int port, __be64 __iomem *fc_regs)
dev_dbg(dev, "%s: returning port_sel=%016llx\n", __func__, port_sel);
}
-/*
- * Asynchronous interrupt information table
- */
-static const struct asyc_intr_info ainfo[] = {
- {SISL_ASTATUS_FC0_OTHER, "other error", 0, CLR_FC_ERROR | LINK_RESET},
- {SISL_ASTATUS_FC0_LOGO, "target initiated LOGO", 0, 0},
- {SISL_ASTATUS_FC0_CRC_T, "CRC threshold exceeded", 0, LINK_RESET},
- {SISL_ASTATUS_FC0_LOGI_R, "login timed out, retrying", 0, LINK_RESET},
- {SISL_ASTATUS_FC0_LOGI_F, "login failed", 0, CLR_FC_ERROR},
- {SISL_ASTATUS_FC0_LOGI_S, "login succeeded", 0, SCAN_HOST},
- {SISL_ASTATUS_FC0_LINK_DN, "link down", 0, 0},
- {SISL_ASTATUS_FC0_LINK_UP, "link up", 0, 0},
- {SISL_ASTATUS_FC1_OTHER, "other error", 1, CLR_FC_ERROR | LINK_RESET},
- {SISL_ASTATUS_FC1_LOGO, "target initiated LOGO", 1, 0},
- {SISL_ASTATUS_FC1_CRC_T, "CRC threshold exceeded", 1, LINK_RESET},
- {SISL_ASTATUS_FC1_LOGI_R, "login timed out, retrying", 1, LINK_RESET},
- {SISL_ASTATUS_FC1_LOGI_F, "login failed", 1, CLR_FC_ERROR},
- {SISL_ASTATUS_FC1_LOGI_S, "login succeeded", 1, SCAN_HOST},
- {SISL_ASTATUS_FC1_LINK_DN, "link down", 1, 0},
- {SISL_ASTATUS_FC1_LINK_UP, "link up", 1, 0},
- {0x0, "", 0, 0} /* terminator */
-};
-
-/**
- * find_ainfo() - locates and returns asynchronous interrupt information
- * @status: Status code set by AFU on error.
- *
- * Return: The located information or NULL when the status code is invalid.
- */
-static const struct asyc_intr_info *find_ainfo(u64 status)
-{
- const struct asyc_intr_info *info;
-
- for (info = &ainfo[0]; info->status; info++)
- if (info->status == status)
- return info;
-
- return NULL;
-}
-
/**
* afu_err_intr_init() - clears and initializes the AFU for error interrupts
* @afu: AFU associated with the host.
*/
static void afu_err_intr_init(struct afu *afu)
{
+ struct cxlflash_cfg *cfg = afu->parent;
+ __be64 __iomem *fc_port_regs;
int i;
+ struct hwq *hwq = get_hwq(afu, PRIMARY_HWQ);
u64 reg;
/* global async interrupts: AFU clears afu_ctrl on context exit
@@ -1082,8 +1120,8 @@ static void afu_err_intr_init(struct afu *afu)
/* mask all */
writeq_be(-1ULL, &afu->afu_map->global.regs.aintr_mask);
- /* set LISN# to send and point to master context */
- reg = ((u64) (((afu->ctx_hndl << 8) | SISL_MSI_ASYNC_ERROR)) << 40);
+ /* set LISN# to send and point to primary master context */
+ reg = ((u64) (((hwq->ctx_hndl << 8) | SISL_MSI_ASYNC_ERROR)) << 40);
if (afu->internal_lun)
reg |= 1; /* Bit 63 indicates local lun */
@@ -1098,17 +1136,19 @@ static void afu_err_intr_init(struct afu *afu)
writeq_be(-1ULL, &afu->afu_map->global.regs.aintr_clear);
/* Clear/Set internal lun bits */
- reg = readq_be(&afu->afu_map->global.fc_regs[0][FC_CONFIG2 / 8]);
+ fc_port_regs = get_fc_port_regs(cfg, 0);
+ reg = readq_be(&fc_port_regs[FC_CONFIG2 / 8]);
reg &= SISL_FC_INTERNAL_MASK;
if (afu->internal_lun)
reg |= ((u64)(afu->internal_lun - 1) << SISL_FC_INTERNAL_SHIFT);
- writeq_be(reg, &afu->afu_map->global.fc_regs[0][FC_CONFIG2 / 8]);
+ writeq_be(reg, &fc_port_regs[FC_CONFIG2 / 8]);
/* now clear FC errors */
- for (i = 0; i < NUM_FC_PORTS; i++) {
- writeq_be(0xFFFFFFFFU,
- &afu->afu_map->global.fc_regs[i][FC_ERROR / 8]);
- writeq_be(0, &afu->afu_map->global.fc_regs[i][FC_ERRCAP / 8]);
+ for (i = 0; i < cfg->num_fc_ports; i++) {
+ fc_port_regs = get_fc_port_regs(cfg, i);
+
+ writeq_be(0xFFFFFFFFU, &fc_port_regs[FC_ERROR / 8]);
+ writeq_be(0, &fc_port_regs[FC_ERRCAP / 8]);
}
/* sync interrupts for master's IOARRIN write */
@@ -1117,8 +1157,12 @@ static void afu_err_intr_init(struct afu *afu)
/* IOARRIN yet), so there is nothing to clear. */
/* set LISN#, it is always sent to the context that wrote IOARRIN */
- writeq_be(SISL_MSI_SYNC_ERROR, &afu->host_map->ctx_ctrl);
- writeq_be(SISL_ISTATUS_MASK, &afu->host_map->intr_mask);
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ writeq_be(SISL_MSI_SYNC_ERROR, &hwq->host_map->ctx_ctrl);
+ writeq_be(SISL_ISTATUS_MASK, &hwq->host_map->intr_mask);
+ }
}
/**
@@ -1130,13 +1174,13 @@ static void afu_err_intr_init(struct afu *afu)
*/
static irqreturn_t cxlflash_sync_err_irq(int irq, void *data)
{
- struct afu *afu = (struct afu *)data;
- struct cxlflash_cfg *cfg = afu->parent;
+ struct hwq *hwq = (struct hwq *)data;
+ struct cxlflash_cfg *cfg = hwq->afu->parent;
struct device *dev = &cfg->dev->dev;
u64 reg;
u64 reg_unmasked;
- reg = readq_be(&afu->host_map->intr_status);
+ reg = readq_be(&hwq->host_map->intr_status);
reg_unmasked = (reg & SISL_ISTATUS_UNMASK);
if (reg_unmasked == 0UL) {
@@ -1148,32 +1192,36 @@ static irqreturn_t cxlflash_sync_err_irq(int irq, void *data)
dev_err(dev, "%s: unexpected interrupt, intr_status=%016llx\n",
__func__, reg);
- writeq_be(reg_unmasked, &afu->host_map->intr_clear);
+ writeq_be(reg_unmasked, &hwq->host_map->intr_clear);
cxlflash_sync_err_irq_exit:
return IRQ_HANDLED;
}
/**
- * cxlflash_rrq_irq() - interrupt handler for read-response queue (normal path)
- * @irq: Interrupt number.
- * @data: Private data provided at interrupt registration, the AFU.
+ * process_hrrq() - process the read-response queue
+ * @afu: AFU associated with the host.
+ * @doneq: Queue of commands harvested from the RRQ.
+ * @budget: Threshold of RRQ entries to process.
*
- * Return: Always return IRQ_HANDLED.
+ * This routine must be called holding the disabled RRQ spin lock.
+ *
+ * Return: The number of entries processed.
*/
-static irqreturn_t cxlflash_rrq_irq(int irq, void *data)
+static int process_hrrq(struct hwq *hwq, struct list_head *doneq, int budget)
{
- struct afu *afu = (struct afu *)data;
+ struct afu *afu = hwq->afu;
struct afu_cmd *cmd;
struct sisl_ioasa *ioasa;
struct sisl_ioarcb *ioarcb;
- bool toggle = afu->toggle;
+ bool toggle = hwq->toggle;
+ int num_hrrq = 0;
u64 entry,
- *hrrq_start = afu->hrrq_start,
- *hrrq_end = afu->hrrq_end,
- *hrrq_curr = afu->hrrq_curr;
+ *hrrq_start = hwq->hrrq_start,
+ *hrrq_end = hwq->hrrq_end,
+ *hrrq_curr = hwq->hrrq_curr;
- /* Process however many RRQ entries that are ready */
+ /* Process ready RRQ entries up to the specified budget (if any) */
while (true) {
entry = *hrrq_curr;
@@ -1190,7 +1238,7 @@ static irqreturn_t cxlflash_rrq_irq(int irq, void *data)
cmd = container_of(ioarcb, struct afu_cmd, rcb);
}
- cmd_complete(cmd);
+ list_add_tail(&cmd->queue, doneq);
/* Advance to next entry or wrap and flip the toggle bit */
if (hrrq_curr < hrrq_end)
@@ -1200,15 +1248,123 @@ static irqreturn_t cxlflash_rrq_irq(int irq, void *data)
toggle ^= SISL_RESP_HANDLE_T_BIT;
}
- atomic_inc(&afu->hsq_credits);
+ atomic_inc(&hwq->hsq_credits);
+ num_hrrq++;
+
+ if (budget > 0 && num_hrrq >= budget)
+ break;
+ }
+
+ hwq->hrrq_curr = hrrq_curr;
+ hwq->toggle = toggle;
+
+ return num_hrrq;
+}
+
+/**
+ * process_cmd_doneq() - process a queue of harvested RRQ commands
+ * @doneq: Queue of completed commands.
+ *
+ * Note that upon return the queue can no longer be trusted.
+ */
+static void process_cmd_doneq(struct list_head *doneq)
+{
+ struct afu_cmd *cmd, *tmp;
+
+ WARN_ON(list_empty(doneq));
+
+ list_for_each_entry_safe(cmd, tmp, doneq, queue)
+ cmd_complete(cmd);
+}
+
+/**
+ * cxlflash_irqpoll() - process a queue of harvested RRQ commands
+ * @irqpoll: IRQ poll structure associated with queue to poll.
+ * @budget: Threshold of RRQ entries to process per poll.
+ *
+ * Return: The number of entries processed.
+ */
+static int cxlflash_irqpoll(struct irq_poll *irqpoll, int budget)
+{
+ struct hwq *hwq = container_of(irqpoll, struct hwq, irqpoll);
+ unsigned long hrrq_flags;
+ LIST_HEAD(doneq);
+ int num_entries = 0;
+
+ spin_lock_irqsave(&hwq->hrrq_slock, hrrq_flags);
+
+ num_entries = process_hrrq(hwq, &doneq, budget);
+ if (num_entries < budget)
+ irq_poll_complete(irqpoll);
+
+ spin_unlock_irqrestore(&hwq->hrrq_slock, hrrq_flags);
+
+ process_cmd_doneq(&doneq);
+ return num_entries;
+}
+
+/**
+ * cxlflash_rrq_irq() - interrupt handler for read-response queue (normal path)
+ * @irq: Interrupt number.
+ * @data: Private data provided at interrupt registration, the AFU.
+ *
+ * Return: IRQ_HANDLED or IRQ_NONE when no ready entries found.
+ */
+static irqreturn_t cxlflash_rrq_irq(int irq, void *data)
+{
+ struct hwq *hwq = (struct hwq *)data;
+ struct afu *afu = hwq->afu;
+ unsigned long hrrq_flags;
+ LIST_HEAD(doneq);
+ int num_entries = 0;
+
+ spin_lock_irqsave(&hwq->hrrq_slock, hrrq_flags);
+
+ if (afu_is_irqpoll_enabled(afu)) {
+ irq_poll_sched(&hwq->irqpoll);
+ spin_unlock_irqrestore(&hwq->hrrq_slock, hrrq_flags);
+ return IRQ_HANDLED;
}
- afu->hrrq_curr = hrrq_curr;
- afu->toggle = toggle;
+ num_entries = process_hrrq(hwq, &doneq, -1);
+ spin_unlock_irqrestore(&hwq->hrrq_slock, hrrq_flags);
+
+ if (num_entries == 0)
+ return IRQ_NONE;
+ process_cmd_doneq(&doneq);
return IRQ_HANDLED;
}
+/*
+ * Asynchronous interrupt information table
+ *
+ * NOTE:
+ * - Order matters here as this array is indexed by bit position.
+ *
+ * - The checkpatch script considers the BUILD_SISL_ASTATUS_FC_PORT macro
+ * as complex and complains due to a lack of parentheses/braces.
+ */
+#define ASTATUS_FC(_a, _b, _c, _d) \
+ { SISL_ASTATUS_FC##_a##_##_b, _c, _a, (_d) }
+
+#define BUILD_SISL_ASTATUS_FC_PORT(_a) \
+ ASTATUS_FC(_a, LINK_UP, "link up", 0), \
+ ASTATUS_FC(_a, LINK_DN, "link down", 0), \
+ ASTATUS_FC(_a, LOGI_S, "login succeeded", SCAN_HOST), \
+ ASTATUS_FC(_a, LOGI_F, "login failed", CLR_FC_ERROR), \
+ ASTATUS_FC(_a, LOGI_R, "login timed out, retrying", LINK_RESET), \
+ ASTATUS_FC(_a, CRC_T, "CRC threshold exceeded", LINK_RESET), \
+ ASTATUS_FC(_a, LOGO, "target initiated LOGO", 0), \
+ ASTATUS_FC(_a, OTHER, "other error", CLR_FC_ERROR | LINK_RESET)
+
+static const struct asyc_intr_info ainfo[] = {
+ BUILD_SISL_ASTATUS_FC_PORT(1),
+ BUILD_SISL_ASTATUS_FC_PORT(0),
+ BUILD_SISL_ASTATUS_FC_PORT(3),
+ BUILD_SISL_ASTATUS_FC_PORT(2)
+};
+
/**
* cxlflash_async_err_irq() - interrupt handler for asynchronous errors
* @irq: Interrupt number.
@@ -1218,20 +1374,22 @@ static irqreturn_t cxlflash_rrq_irq(int irq, void *data)
*/
static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
{
- struct afu *afu = (struct afu *)data;
+ struct hwq *hwq = (struct hwq *)data;
+ struct afu *afu = hwq->afu;
struct cxlflash_cfg *cfg = afu->parent;
struct device *dev = &cfg->dev->dev;
- u64 reg_unmasked;
const struct asyc_intr_info *info;
struct sisl_global_map __iomem *global = &afu->afu_map->global;
+ __be64 __iomem *fc_port_regs;
+ u64 reg_unmasked;
u64 reg;
+ u64 bit;
u8 port;
- int i;
reg = readq_be(&global->regs.aintr_status);
reg_unmasked = (reg & SISL_ASTATUS_UNMASK);
- if (reg_unmasked == 0) {
+ if (unlikely(reg_unmasked == 0)) {
dev_err(dev, "%s: spurious interrupt, aintr_status=%016llx\n",
__func__, reg);
goto out;
@@ -1241,16 +1399,24 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
writeq_be(reg_unmasked, &global->regs.aintr_clear);
/* Check each bit that is on */
- for (i = 0; reg_unmasked; i++, reg_unmasked = (reg_unmasked >> 1)) {
- info = find_ainfo(1ULL << i);
- if (((reg_unmasked & 0x1) == 0) || !info)
+ for_each_set_bit(bit, (ulong *)&reg_unmasked, BITS_PER_LONG) {
+ if (unlikely(bit >= ARRAY_SIZE(ainfo))) {
+ WARN_ON_ONCE(1);
continue;
+ }
+
+ info = &ainfo[bit];
+ if (unlikely(info->status != 1ULL << bit)) {
+ WARN_ON_ONCE(1);
+ continue;
+ }
port = info->port;
+ fc_port_regs = get_fc_port_regs(cfg, port);
dev_err(dev, "%s: FC Port %d -> %s, fc_status=%016llx\n",
__func__, port, info->desc,
- readq_be(&global->fc_regs[port][FC_STATUS / 8]));
+ readq_be(&fc_port_regs[FC_STATUS / 8]));
/*
* Do link reset first, some OTHER errors will set FC_ERROR
@@ -1265,7 +1431,7 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
}
if (info->action & CLR_FC_ERROR) {
- reg = readq_be(&global->fc_regs[port][FC_ERROR / 8]);
+ reg = readq_be(&fc_port_regs[FC_ERROR / 8]);
/*
* Since all errors are unmasked, FC_ERROR and FC_ERRCAP
@@ -1275,8 +1441,8 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
dev_err(dev, "%s: fc %d: clearing fc_error=%016llx\n",
__func__, port, reg);
- writeq_be(reg, &global->fc_regs[port][FC_ERROR / 8]);
- writeq_be(0, &global->fc_regs[port][FC_ERRCAP / 8]);
+ writeq_be(reg, &fc_port_regs[FC_ERROR / 8]);
+ writeq_be(0, &fc_port_regs[FC_ERRCAP / 8]);
}
if (info->action & SCAN_HOST) {
@@ -1292,16 +1458,18 @@ out:
/**
* start_context() - starts the master context
* @cfg: Internal structure associated with the host.
+ * @index: Index of the hardware queue.
*
* Return: A success or failure value from CXL services.
*/
-static int start_context(struct cxlflash_cfg *cfg)
+static int start_context(struct cxlflash_cfg *cfg, u32 index)
{
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq = get_hwq(cfg->afu, index);
int rc = 0;
- rc = cxl_start_context(cfg->mcctx,
- cfg->afu->work.work_element_descriptor,
+ rc = cxl_start_context(hwq->ctx,
+ hwq->work.work_element_descriptor,
NULL);
dev_dbg(dev, "%s: returning rc=%d\n", __func__, rc);
@@ -1311,7 +1479,7 @@ static int start_context(struct cxlflash_cfg *cfg)
/**
* read_vpd() - obtains the WWPNs from VPD
* @cfg: Internal structure associated with the host.
- * @wwpn: Array of size NUM_FC_PORTS to pass back WWPNs
+ * @wwpn: Array of size MAX_FC_PORTS to pass back WWPNs
*
* Return: 0 on success, -errno on failure
*/
@@ -1324,7 +1492,7 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
ssize_t vpd_size;
char vpd_data[CXLFLASH_VPD_LEN];
char tmp_buf[WWPN_BUF_LEN] = { 0 };
- char *wwpn_vpd_tags[NUM_FC_PORTS] = { "V5", "V6" };
+ char *wwpn_vpd_tags[MAX_FC_PORTS] = { "V5", "V6", "V7", "V8" };
/* Get the VPD data from the device */
vpd_size = cxl_read_adapter_vpd(pdev, vpd_data, sizeof(vpd_data));
@@ -1362,7 +1530,7 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
* because the conversion service requires that the ASCII
* string be terminated.
*/
- for (k = 0; k < NUM_FC_PORTS; k++) {
+ for (k = 0; k < cfg->num_fc_ports; k++) {
j = ro_size;
i = ro_start + PCI_VPD_LRDT_TAG_SIZE;
@@ -1391,6 +1559,8 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
rc = -ENODEV;
goto out;
}
+
+ dev_dbg(dev, "%s: wwpn%d=%016llx\n", __func__, k, wwpn[k]);
}
out:
@@ -1409,6 +1579,7 @@ static void init_pcr(struct cxlflash_cfg *cfg)
{
struct afu *afu = cfg->afu;
struct sisl_ctrl_map __iomem *ctrl_map;
+ struct hwq *hwq;
int i;
for (i = 0; i < MAX_CONTEXT; i++) {
@@ -1420,13 +1591,17 @@ static void init_pcr(struct cxlflash_cfg *cfg)
writeq_be(0, &ctrl_map->ctx_cap);
}
- /* Copy frequently used fields into afu */
- afu->ctx_hndl = (u16) cxl_process_element(cfg->mcctx);
- afu->host_map = &afu->afu_map->hosts[afu->ctx_hndl].host;
- afu->ctrl_map = &afu->afu_map->ctrls[afu->ctx_hndl].ctrl;
+ /* Copy frequently used fields into hwq */
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ hwq->ctx_hndl = (u16) cxl_process_element(hwq->ctx);
+ hwq->host_map = &afu->afu_map->hosts[hwq->ctx_hndl].host;
+ hwq->ctrl_map = &afu->afu_map->ctrls[hwq->ctx_hndl].ctrl;
- /* Program the Endian Control for the master context */
- writeq_be(SISL_ENDIAN_CTRL, &afu->host_map->endian_ctrl);
+ /* Program the Endian Control for the master context */
+ writeq_be(SISL_ENDIAN_CTRL, &hwq->host_map->endian_ctrl);
+ }
}
/**
@@ -1437,7 +1612,10 @@ static int init_global(struct cxlflash_cfg *cfg)
{
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
- u64 wwpn[NUM_FC_PORTS]; /* wwpn of AFU ports */
+ struct hwq *hwq;
+ struct sisl_host_map __iomem *hmap;
+ __be64 __iomem *fc_port_regs;
+ u64 wwpn[MAX_FC_PORTS]; /* wwpn of AFU ports */
int i = 0, num_ports = 0;
int rc = 0;
u64 reg;
@@ -1448,16 +1626,18 @@ static int init_global(struct cxlflash_cfg *cfg)
goto out;
}
- dev_dbg(dev, "%s: wwpn0=%016llx wwpn1=%016llx\n",
- __func__, wwpn[0], wwpn[1]);
+ /* Set up RRQ and SQ in HWQ for master issued cmds */
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+ hmap = hwq->host_map;
- /* Set up RRQ and SQ in AFU for master issued cmds */
- writeq_be((u64) afu->hrrq_start, &afu->host_map->rrq_start);
- writeq_be((u64) afu->hrrq_end, &afu->host_map->rrq_end);
+ writeq_be((u64) hwq->hrrq_start, &hmap->rrq_start);
+ writeq_be((u64) hwq->hrrq_end, &hmap->rrq_end);
- if (afu_is_sq_cmd_mode(afu)) {
- writeq_be((u64)afu->hsq_start, &afu->host_map->sq_start);
- writeq_be((u64)afu->hsq_end, &afu->host_map->sq_end);
+ if (afu_is_sq_cmd_mode(afu)) {
+ writeq_be((u64)hwq->hsq_start, &hmap->sq_start);
+ writeq_be((u64)hwq->hsq_end, &hmap->sq_end);
+ }
}
/* AFU configuration */
@@ -1473,26 +1653,25 @@ static int init_global(struct cxlflash_cfg *cfg)
if (afu->internal_lun) {
/* Only use port 0 */
writeq_be(PORT0, &afu->afu_map->global.regs.afu_port_sel);
- num_ports = NUM_FC_PORTS - 1;
+ num_ports = 0;
} else {
- writeq_be(BOTH_PORTS, &afu->afu_map->global.regs.afu_port_sel);
- num_ports = NUM_FC_PORTS;
+ writeq_be(PORT_MASK(cfg->num_fc_ports),
+ &afu->afu_map->global.regs.afu_port_sel);
+ num_ports = cfg->num_fc_ports;
}
for (i = 0; i < num_ports; i++) {
+ fc_port_regs = get_fc_port_regs(cfg, i);
+
/* Unmask all errors (but they are still masked at AFU) */
- writeq_be(0, &afu->afu_map->global.fc_regs[i][FC_ERRMSK / 8]);
+ writeq_be(0, &fc_port_regs[FC_ERRMSK / 8]);
/* Clear CRC error cnt & set a threshold */
- (void)readq_be(&afu->afu_map->global.
- fc_regs[i][FC_CNT_CRCERR / 8]);
- writeq_be(MC_CRC_THRESH, &afu->afu_map->global.fc_regs[i]
- [FC_CRC_THRESH / 8]);
+ (void)readq_be(&fc_port_regs[FC_CNT_CRCERR / 8]);
+ writeq_be(MC_CRC_THRESH, &fc_port_regs[FC_CRC_THRESH / 8]);
/* Set WWPNs. If already programmed, wwpn[i] is 0 */
if (wwpn[i] != 0)
- afu_set_wwpn(afu, i,
- &afu->afu_map->global.fc_regs[i][0],
- wwpn[i]);
+ afu_set_wwpn(afu, i, &fc_port_regs[0], wwpn[i]);
/* Programming WWPN back to back causes additional
* offline/online transitions and a PLOGI
*/
@@ -1502,11 +1681,15 @@ static int init_global(struct cxlflash_cfg *cfg)
/* Set up master's own CTX_CAP to allow real mode, host translation */
/* tables, afu cmds and read/write GSCSI cmds. */
/* First, unlock ctx_cap write by reading mbox */
- (void)readq_be(&afu->ctrl_map->mbox_r); /* unlock ctx_cap */
- writeq_be((SISL_CTX_CAP_REAL_MODE | SISL_CTX_CAP_HOST_XLATE |
- SISL_CTX_CAP_READ_CMD | SISL_CTX_CAP_WRITE_CMD |
- SISL_CTX_CAP_AFU_CMD | SISL_CTX_CAP_GSCSI_CMD),
- &afu->ctrl_map->ctx_cap);
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ (void)readq_be(&hwq->ctrl_map->mbox_r); /* unlock ctx_cap */
+ writeq_be((SISL_CTX_CAP_REAL_MODE | SISL_CTX_CAP_HOST_XLATE |
+ SISL_CTX_CAP_READ_CMD | SISL_CTX_CAP_WRITE_CMD |
+ SISL_CTX_CAP_AFU_CMD | SISL_CTX_CAP_GSCSI_CMD),
+ &hwq->ctrl_map->ctx_cap);
+ }
/* Initialize heartbeat */
afu->hb = readq_be(&afu->afu_map->global.regs.afu_hb);
out:
@@ -1521,28 +1704,42 @@ static int start_afu(struct cxlflash_cfg *cfg)
{
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq;
int rc = 0;
+ int i;
init_pcr(cfg);
- /* After an AFU reset, RRQ entries are stale, clear them */
- memset(&afu->rrq_entry, 0, sizeof(afu->rrq_entry));
+ /* Initialize each HWQ */
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
- /* Initialize RRQ pointers */
- afu->hrrq_start = &afu->rrq_entry[0];
- afu->hrrq_end = &afu->rrq_entry[NUM_RRQ_ENTRY - 1];
- afu->hrrq_curr = afu->hrrq_start;
- afu->toggle = 1;
+ /* After an AFU reset, RRQ entries are stale, clear them */
+ memset(&hwq->rrq_entry, 0, sizeof(hwq->rrq_entry));
- /* Initialize SQ */
- if (afu_is_sq_cmd_mode(afu)) {
- memset(&afu->sq, 0, sizeof(afu->sq));
- afu->hsq_start = &afu->sq[0];
- afu->hsq_end = &afu->sq[NUM_SQ_ENTRY - 1];
- afu->hsq_curr = afu->hsq_start;
+ /* Initialize RRQ pointers */
+ hwq->hrrq_start = &hwq->rrq_entry[0];
+ hwq->hrrq_end = &hwq->rrq_entry[NUM_RRQ_ENTRY - 1];
+ hwq->hrrq_curr = hwq->hrrq_start;
+ hwq->toggle = 1;
+ spin_lock_init(&hwq->hrrq_slock);
+
+ /* Initialize SQ */
+ if (afu_is_sq_cmd_mode(afu)) {
+ memset(&hwq->sq, 0, sizeof(hwq->sq));
+ hwq->hsq_start = &hwq->sq[0];
+ hwq->hsq_end = &hwq->sq[NUM_SQ_ENTRY - 1];
+ hwq->hsq_curr = hwq->hsq_start;
+
+ spin_lock_init(&hwq->hsq_slock);
+ atomic_set(&hwq->hsq_credits, NUM_SQ_ENTRY - 1);
+ }
+
+ /* Initialize IRQ poll */
+ if (afu_is_irqpoll_enabled(afu))
+ irq_poll_init(&hwq->irqpoll, afu->irqpoll_weight,
+ cxlflash_irqpoll);
- spin_lock_init(&afu->hsq_slock);
- atomic_set(&afu->hsq_credits, NUM_SQ_ENTRY - 1);
}
rc = init_global(cfg);
@@ -1554,18 +1751,21 @@ static int start_afu(struct cxlflash_cfg *cfg)
/**
* init_intr() - setup interrupt handlers for the master context
* @cfg: Internal structure associated with the host.
+ * @hwq: Hardware queue to initialize.
*
* Return: 0 on success, -errno on failure
*/
static enum undo_level init_intr(struct cxlflash_cfg *cfg,
- struct cxl_context *ctx)
+ struct hwq *hwq)
{
- struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
+ struct cxl_context *ctx = hwq->ctx;
int rc = 0;
enum undo_level level = UNDO_NOOP;
+ bool is_primary_hwq = (hwq->index == PRIMARY_HWQ);
+ int num_irqs = is_primary_hwq ? 3 : 2;
- rc = cxl_allocate_afu_irqs(ctx, 3);
+ rc = cxl_allocate_afu_irqs(ctx, num_irqs);
if (unlikely(rc)) {
dev_err(dev, "%s: allocate_afu_irqs failed rc=%d\n",
__func__, rc);
@@ -1573,7 +1773,7 @@ static enum undo_level init_intr(struct cxlflash_cfg *cfg,
goto out;
}
- rc = cxl_map_afu_irq(ctx, 1, cxlflash_sync_err_irq, afu,
+ rc = cxl_map_afu_irq(ctx, 1, cxlflash_sync_err_irq, hwq,
"SISL_MSI_SYNC_ERROR");
if (unlikely(rc <= 0)) {
dev_err(dev, "%s: SISL_MSI_SYNC_ERROR map failed\n", __func__);
@@ -1581,7 +1781,7 @@ static enum undo_level init_intr(struct cxlflash_cfg *cfg,
goto out;
}
- rc = cxl_map_afu_irq(ctx, 2, cxlflash_rrq_irq, afu,
+ rc = cxl_map_afu_irq(ctx, 2, cxlflash_rrq_irq, hwq,
"SISL_MSI_RRQ_UPDATED");
if (unlikely(rc <= 0)) {
dev_err(dev, "%s: SISL_MSI_RRQ_UPDATED map failed\n", __func__);
@@ -1589,7 +1789,11 @@ static enum undo_level init_intr(struct cxlflash_cfg *cfg,
goto out;
}
- rc = cxl_map_afu_irq(ctx, 3, cxlflash_async_err_irq, afu,
+ /* SISL_MSI_ASYNC_ERROR is setup only for the primary HWQ */
+ if (!is_primary_hwq)
+ goto out;
+
+ rc = cxl_map_afu_irq(ctx, 3, cxlflash_async_err_irq, hwq,
"SISL_MSI_ASYNC_ERROR");
if (unlikely(rc <= 0)) {
dev_err(dev, "%s: SISL_MSI_ASYNC_ERROR map failed\n", __func__);
@@ -1603,55 +1807,106 @@ out:
/**
* init_mc() - create and register as the master context
* @cfg: Internal structure associated with the host.
+ * index: HWQ Index of the master context.
*
* Return: 0 on success, -errno on failure
*/
-static int init_mc(struct cxlflash_cfg *cfg)
+static int init_mc(struct cxlflash_cfg *cfg, u32 index)
{
struct cxl_context *ctx;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq = get_hwq(cfg->afu, index);
int rc = 0;
enum undo_level level;
- ctx = cxl_get_context(cfg->dev);
+ hwq->afu = cfg->afu;
+ hwq->index = index;
+
+ if (index == PRIMARY_HWQ)
+ ctx = cxl_get_context(cfg->dev);
+ else
+ ctx = cxl_dev_context_init(cfg->dev);
if (unlikely(!ctx)) {
rc = -ENOMEM;
- goto ret;
+ goto err1;
}
- cfg->mcctx = ctx;
+
+ WARN_ON(hwq->ctx);
+ hwq->ctx = ctx;
/* Set it up as a master with the CXL */
cxl_set_master(ctx);
- /* During initialization reset the AFU to start from a clean slate */
- rc = cxl_afu_reset(cfg->mcctx);
- if (unlikely(rc)) {
- dev_err(dev, "%s: AFU reset failed rc=%d\n", __func__, rc);
- goto ret;
+ /* Reset AFU when initializing primary context */
+ if (index == PRIMARY_HWQ) {
+ rc = cxl_afu_reset(ctx);
+ if (unlikely(rc)) {
+ dev_err(dev, "%s: AFU reset failed rc=%d\n",
+ __func__, rc);
+ goto err1;
+ }
}
- level = init_intr(cfg, ctx);
+ level = init_intr(cfg, hwq);
if (unlikely(level)) {
dev_err(dev, "%s: interrupt init failed rc=%d\n", __func__, rc);
- goto out;
+ goto err2;
}
/* This performs the equivalent of the CXL_IOCTL_START_WORK.
* The CXL_IOCTL_GET_PROCESS_ELEMENT is implicit in the process
* element (pe) that is embedded in the context (ctx)
*/
- rc = start_context(cfg);
+ rc = start_context(cfg, index);
if (unlikely(rc)) {
dev_err(dev, "%s: start context failed rc=%d\n", __func__, rc);
level = UNMAP_THREE;
- goto out;
+ goto err2;
}
-ret:
+
+out:
dev_dbg(dev, "%s: returning rc=%d\n", __func__, rc);
return rc;
-out:
- term_intr(cfg, level);
- goto ret;
+err2:
+ term_intr(cfg, level, index);
+ if (index != PRIMARY_HWQ)
+ cxl_release_context(ctx);
+err1:
+ hwq->ctx = NULL;
+ goto out;
+}
+
+/**
+ * get_num_afu_ports() - determines and configures the number of AFU ports
+ * @cfg: Internal structure associated with the host.
+ *
+ * This routine determines the number of AFU ports by converting the global
+ * port selection mask. The converted value is only valid following an AFU
+ * reset (explicit or power-on). This routine must be invoked shortly after
+ * mapping as other routines are dependent on the number of ports during the
+ * initialization sequence.
+ *
+ * To support legacy AFUs that might not have reflected an initial global
+ * port mask (value read is 0), default to the number of ports originally
+ * supported by the cxlflash driver (2) before hardware with other port
+ * offerings was introduced.
+ */
+static void get_num_afu_ports(struct cxlflash_cfg *cfg)
+{
+ struct afu *afu = cfg->afu;
+ struct device *dev = &cfg->dev->dev;
+ u64 port_mask;
+ int num_fc_ports = LEGACY_FC_PORTS;
+
+ port_mask = readq_be(&afu->afu_map->global.regs.afu_port_sel);
+ if (port_mask != 0ULL)
+ num_fc_ports = min(ilog2(port_mask) + 1, MAX_FC_PORTS);
+
+ dev_dbg(dev, "%s: port_mask=%016llx num_fc_ports=%d\n",
+ __func__, port_mask, num_fc_ports);
+
+ cfg->num_fc_ports = num_fc_ports;
+ cfg->host->max_channel = PORTNUM2CHAN(num_fc_ports);
}
/**
@@ -1669,18 +1924,24 @@ static int init_afu(struct cxlflash_cfg *cfg)
int rc = 0;
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
+ struct hwq *hwq;
+ int i;
cxl_perst_reloads_same_image(cfg->cxl_afu, true);
- rc = init_mc(cfg);
- if (rc) {
- dev_err(dev, "%s: init_mc failed rc=%d\n",
- __func__, rc);
- goto out;
+ afu->num_hwqs = afu->desired_hwqs;
+ for (i = 0; i < afu->num_hwqs; i++) {
+ rc = init_mc(cfg, i);
+ if (rc) {
+ dev_err(dev, "%s: init_mc failed rc=%d index=%d\n",
+ __func__, rc, i);
+ goto err1;
+ }
}
- /* Map the entire MMIO space of the AFU */
- afu->afu_map = cxl_psa_map(cfg->mcctx);
+ /* Map the entire MMIO space of the AFU using the first context */
+ hwq = get_hwq(afu, PRIMARY_HWQ);
+ afu->afu_map = cxl_psa_map(hwq->ctx);
if (!afu->afu_map) {
dev_err(dev, "%s: cxl_psa_map failed\n", __func__);
rc = -ENOMEM;
@@ -1711,6 +1972,8 @@ static int init_afu(struct cxlflash_cfg *cfg)
dev_dbg(dev, "%s: afu_ver=%s interface_ver=%016llx\n", __func__,
afu->version, afu->interface_version);
+ get_num_afu_ports(cfg);
+
rc = start_afu(cfg);
if (rc) {
dev_err(dev, "%s: start_afu failed, rc=%d\n", __func__, rc);
@@ -1718,8 +1981,12 @@ static int init_afu(struct cxlflash_cfg *cfg)
}
afu_err_intr_init(cfg->afu);
- spin_lock_init(&afu->rrin_slock);
- afu->room = readq_be(&afu->host_map->cmd_room);
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ spin_lock_init(&hwq->rrin_slock);
+ hwq->room = readq_be(&hwq->host_map->cmd_room);
+ }
/* Restore the LUN mappings */
cxlflash_restore_luntable(cfg);
@@ -1728,8 +1995,10 @@ out:
return rc;
err1:
- term_intr(cfg, UNMAP_THREE);
- term_mc(cfg);
+ for (i = afu->num_hwqs - 1; i >= 0; i--) {
+ term_intr(cfg, UNMAP_THREE, i);
+ term_mc(cfg, i);
+ }
goto out;
}
@@ -1761,6 +2030,7 @@ int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t ctx_hndl_u,
struct cxlflash_cfg *cfg = afu->parent;
struct device *dev = &cfg->dev->dev;
struct afu_cmd *cmd = NULL;
+ struct hwq *hwq = get_hwq(afu, PRIMARY_HWQ);
char *buf = NULL;
int rc = 0;
static DEFINE_MUTEX(sync_active);
@@ -1783,11 +2053,12 @@ int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t ctx_hndl_u,
cmd = (struct afu_cmd *)PTR_ALIGN(buf, __alignof__(*cmd));
init_completion(&cmd->cevent);
cmd->parent = afu;
+ cmd->hwq_index = hwq->index;
dev_dbg(dev, "%s: afu=%p cmd=%p %d\n", __func__, afu, cmd, ctx_hndl_u);
cmd->rcb.req_flags = SISL_REQ_FLAGS_AFU_CMD;
- cmd->rcb.ctx_id = afu->ctx_hndl;
+ cmd->rcb.ctx_id = hwq->ctx_hndl;
cmd->rcb.msi = SISL_MSI_RRQ_UPDATED;
cmd->rcb.timeout = MC_AFU_SYNC_TIMEOUT;
@@ -1971,22 +2242,30 @@ static int cxlflash_change_queue_depth(struct scsi_device *sdev, int qdepth)
/**
* cxlflash_show_port_status() - queries and presents the current port status
* @port: Desired port for status reporting.
- * @afu: AFU owning the specified port.
+ * @cfg: Internal structure associated with the host.
* @buf: Buffer of length PAGE_SIZE to report back port status in ASCII.
*
- * Return: The size of the ASCII string returned in @buf.
+ * Return: The size of the ASCII string returned in @buf or -EINVAL.
*/
-static ssize_t cxlflash_show_port_status(u32 port, struct afu *afu, char *buf)
+static ssize_t cxlflash_show_port_status(u32 port,
+ struct cxlflash_cfg *cfg,
+ char *buf)
{
+ struct device *dev = &cfg->dev->dev;
char *disp_status;
u64 status;
- __be64 __iomem *fc_regs;
+ __be64 __iomem *fc_port_regs;
- if (port >= NUM_FC_PORTS)
- return 0;
+ WARN_ON(port >= MAX_FC_PORTS);
+
+ if (port >= cfg->num_fc_ports) {
+ dev_info(dev, "%s: Port %d not supported on this card.\n",
+ __func__, port);
+ return -EINVAL;
+ }
- fc_regs = &afu->afu_map->global.fc_regs[port][0];
- status = readq_be(&fc_regs[FC_MTIP_STATUS / 8]);
+ fc_port_regs = get_fc_port_regs(cfg, port);
+ status = readq_be(&fc_port_regs[FC_MTIP_STATUS / 8]);
status &= FC_MTIP_STATUS_MASK;
if (status == FC_MTIP_STATUS_ONLINE)
@@ -2012,9 +2291,8 @@ static ssize_t port0_show(struct device *dev,
char *buf)
{
struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
- struct afu *afu = cfg->afu;
- return cxlflash_show_port_status(0, afu, buf);
+ return cxlflash_show_port_status(0, cfg, buf);
}
/**
@@ -2030,9 +2308,42 @@ static ssize_t port1_show(struct device *dev,
char *buf)
{
struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
- struct afu *afu = cfg->afu;
- return cxlflash_show_port_status(1, afu, buf);
+ return cxlflash_show_port_status(1, cfg, buf);
+}
+
+/**
+ * port2_show() - queries and presents the current status of port 2
+ * @dev: Generic device associated with the host owning the port.
+ * @attr: Device attribute representing the port.
+ * @buf: Buffer of length PAGE_SIZE to report back port status in ASCII.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t port2_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+
+ return cxlflash_show_port_status(2, cfg, buf);
+}
+
+/**
+ * port3_show() - queries and presents the current status of port 3
+ * @dev: Generic device associated with the host owning the port.
+ * @attr: Device attribute representing the port.
+ * @buf: Buffer of length PAGE_SIZE to report back port status in ASCII.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t port3_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+
+ return cxlflash_show_port_status(3, cfg, buf);
}
/**
@@ -2090,12 +2401,13 @@ static ssize_t lun_mode_store(struct device *dev,
/*
* When configured for internal LUN, there is only one channel,
- * channel number 0, else there will be 2 (default).
+ * channel number 0, else there will be one less than the number
+ * of fc ports for this card.
*/
if (afu->internal_lun)
shost->max_channel = 0;
else
- shost->max_channel = NUM_FC_PORTS - 1;
+ shost->max_channel = PORTNUM2CHAN(cfg->num_fc_ports);
afu_reset(cfg);
scsi_scan_host(cfg->host);
@@ -2121,27 +2433,34 @@ static ssize_t ioctl_version_show(struct device *dev,
/**
* cxlflash_show_port_lun_table() - queries and presents the port LUN table
* @port: Desired port for status reporting.
- * @afu: AFU owning the specified port.
+ * @cfg: Internal structure associated with the host.
* @buf: Buffer of length PAGE_SIZE to report back port status in ASCII.
*
- * Return: The size of the ASCII string returned in @buf.
+ * Return: The size of the ASCII string returned in @buf or -EINVAL.
*/
static ssize_t cxlflash_show_port_lun_table(u32 port,
- struct afu *afu,
+ struct cxlflash_cfg *cfg,
char *buf)
{
+ struct device *dev = &cfg->dev->dev;
+ __be64 __iomem *fc_port_luns;
int i;
ssize_t bytes = 0;
- __be64 __iomem *fc_port;
- if (port >= NUM_FC_PORTS)
- return 0;
+ WARN_ON(port >= MAX_FC_PORTS);
- fc_port = &afu->afu_map->global.fc_port[port][0];
+ if (port >= cfg->num_fc_ports) {
+ dev_info(dev, "%s: Port %d not supported on this card.\n",
+ __func__, port);
+ return -EINVAL;
+ }
+
+ fc_port_luns = get_fc_port_luns(cfg, port);
for (i = 0; i < CXLFLASH_NUM_VLUNS; i++)
bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- "%03d: %016llx\n", i, readq_be(&fc_port[i]));
+ "%03d: %016llx\n",
+ i, readq_be(&fc_port_luns[i]));
return bytes;
}
@@ -2158,9 +2477,8 @@ static ssize_t port0_lun_table_show(struct device *dev,
char *buf)
{
struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
- struct afu *afu = cfg->afu;
- return cxlflash_show_port_lun_table(0, afu, buf);
+ return cxlflash_show_port_lun_table(0, cfg, buf);
}
/**
@@ -2176,9 +2494,272 @@ static ssize_t port1_lun_table_show(struct device *dev,
char *buf)
{
struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+
+ return cxlflash_show_port_lun_table(1, cfg, buf);
+}
+
+/**
+ * port2_lun_table_show() - presents the current LUN table of port 2
+ * @dev: Generic device associated with the host owning the port.
+ * @attr: Device attribute representing the port.
+ * @buf: Buffer of length PAGE_SIZE to report back port status in ASCII.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t port2_lun_table_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+
+ return cxlflash_show_port_lun_table(2, cfg, buf);
+}
+
+/**
+ * port3_lun_table_show() - presents the current LUN table of port 3
+ * @dev: Generic device associated with the host owning the port.
+ * @attr: Device attribute representing the port.
+ * @buf: Buffer of length PAGE_SIZE to report back port status in ASCII.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t port3_lun_table_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+
+ return cxlflash_show_port_lun_table(3, cfg, buf);
+}
+
+/**
+ * irqpoll_weight_show() - presents the current IRQ poll weight for the host
+ * @dev: Generic device associated with the host.
+ * @attr: Device attribute representing the IRQ poll weight.
+ * @buf: Buffer of length PAGE_SIZE to report back the current IRQ poll
+ * weight in ASCII.
+ *
+ * An IRQ poll weight of 0 indicates polling is disabled.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t irqpoll_weight_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+ struct afu *afu = cfg->afu;
+
+ return scnprintf(buf, PAGE_SIZE, "%u\n", afu->irqpoll_weight);
+}
+
+/**
+ * irqpoll_weight_store() - sets the current IRQ poll weight for the host
+ * @dev: Generic device associated with the host.
+ * @attr: Device attribute representing the IRQ poll weight.
+ * @buf: Buffer of length PAGE_SIZE containing the desired IRQ poll
+ * weight in ASCII.
+ * @count: Length of data resizing in @buf.
+ *
+ * An IRQ poll weight of 0 indicates polling is disabled.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t irqpoll_weight_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+ struct device *cfgdev = &cfg->dev->dev;
+ struct afu *afu = cfg->afu;
+ struct hwq *hwq;
+ u32 weight;
+ int rc, i;
+
+ rc = kstrtouint(buf, 10, &weight);
+ if (rc)
+ return -EINVAL;
+
+ if (weight > 256) {
+ dev_info(cfgdev,
+ "Invalid IRQ poll weight. It must be 256 or less.\n");
+ return -EINVAL;
+ }
+
+ if (weight == afu->irqpoll_weight) {
+ dev_info(cfgdev,
+ "Current IRQ poll weight has the same weight.\n");
+ return -EINVAL;
+ }
+
+ if (afu_is_irqpoll_enabled(afu)) {
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ irq_poll_disable(&hwq->irqpoll);
+ }
+ }
+
+ afu->irqpoll_weight = weight;
+
+ if (weight > 0) {
+ for (i = 0; i < afu->num_hwqs; i++) {
+ hwq = get_hwq(afu, i);
+
+ irq_poll_init(&hwq->irqpoll, weight, cxlflash_irqpoll);
+ }
+ }
+
+ return count;
+}
+
+/**
+ * num_hwqs_show() - presents the number of hardware queues for the host
+ * @dev: Generic device associated with the host.
+ * @attr: Device attribute representing the number of hardware queues.
+ * @buf: Buffer of length PAGE_SIZE to report back the number of hardware
+ * queues in ASCII.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t num_hwqs_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
struct afu *afu = cfg->afu;
- return cxlflash_show_port_lun_table(1, afu, buf);
+ return scnprintf(buf, PAGE_SIZE, "%u\n", afu->num_hwqs);
+}
+
+/**
+ * num_hwqs_store() - sets the number of hardware queues for the host
+ * @dev: Generic device associated with the host.
+ * @attr: Device attribute representing the number of hardware queues.
+ * @buf: Buffer of length PAGE_SIZE containing the number of hardware
+ * queues in ASCII.
+ * @count: Length of data resizing in @buf.
+ *
+ * n > 0: num_hwqs = n
+ * n = 0: num_hwqs = num_online_cpus()
+ * n < 0: num_online_cpus() / abs(n)
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t num_hwqs_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+ struct afu *afu = cfg->afu;
+ int rc;
+ int nhwqs, num_hwqs;
+
+ rc = kstrtoint(buf, 10, &nhwqs);
+ if (rc)
+ return -EINVAL;
+
+ if (nhwqs >= 1)
+ num_hwqs = nhwqs;
+ else if (nhwqs == 0)
+ num_hwqs = num_online_cpus();
+ else
+ num_hwqs = num_online_cpus() / abs(nhwqs);
+
+ afu->desired_hwqs = min(num_hwqs, CXLFLASH_MAX_HWQS);
+ WARN_ON_ONCE(afu->desired_hwqs == 0);
+
+retry:
+ switch (cfg->state) {
+ case STATE_NORMAL:
+ cfg->state = STATE_RESET;
+ drain_ioctls(cfg);
+ cxlflash_mark_contexts_error(cfg);
+ rc = afu_reset(cfg);
+ if (rc)
+ cfg->state = STATE_FAILTERM;
+ else
+ cfg->state = STATE_NORMAL;
+ wake_up_all(&cfg->reset_waitq);
+ break;
+ case STATE_RESET:
+ wait_event(cfg->reset_waitq, cfg->state != STATE_RESET);
+ if (cfg->state == STATE_NORMAL)
+ goto retry;
+ default:
+ /* Ideally should not happen */
+ dev_err(dev, "%s: Device is not ready, state=%d\n",
+ __func__, cfg->state);
+ break;
+ }
+
+ return count;
+}
+
+static const char *hwq_mode_name[MAX_HWQ_MODE] = { "rr", "tag", "cpu" };
+
+/**
+ * hwq_mode_show() - presents the HWQ steering mode for the host
+ * @dev: Generic device associated with the host.
+ * @attr: Device attribute representing the HWQ steering mode.
+ * @buf: Buffer of length PAGE_SIZE to report back the HWQ steering mode
+ * as a character string.
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t hwq_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct cxlflash_cfg *cfg = shost_priv(class_to_shost(dev));
+ struct afu *afu = cfg->afu;
+
+ return scnprintf(buf, PAGE_SIZE, "%s\n", hwq_mode_name[afu->hwq_mode]);
+}
+
+/**
+ * hwq_mode_store() - sets the HWQ steering mode for the host
+ * @dev: Generic device associated with the host.
+ * @attr: Device attribute representing the HWQ steering mode.
+ * @buf: Buffer of length PAGE_SIZE containing the HWQ steering mode
+ * as a character string.
+ * @count: Length of data resizing in @buf.
+ *
+ * rr = Round-Robin
+ * tag = Block MQ Tagging
+ * cpu = CPU Affinity
+ *
+ * Return: The size of the ASCII string returned in @buf.
+ */
+static ssize_t hwq_mode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct cxlflash_cfg *cfg = shost_priv(shost);
+ struct device *cfgdev = &cfg->dev->dev;
+ struct afu *afu = cfg->afu;
+ int i;
+ u32 mode = MAX_HWQ_MODE;
+
+ for (i = 0; i < MAX_HWQ_MODE; i++) {
+ if (!strncmp(hwq_mode_name[i], buf, strlen(hwq_mode_name[i]))) {
+ mode = i;
+ break;
+ }
+ }
+
+ if (mode >= MAX_HWQ_MODE) {
+ dev_info(cfgdev, "Invalid HWQ steering mode.\n");
+ return -EINVAL;
+ }
+
+ if ((mode == HWQ_MODE_TAG) && !shost_use_blk_mq(shost)) {
+ dev_info(cfgdev, "SCSI-MQ is not enabled, use a different "
+ "HWQ steering mode.\n");
+ return -EINVAL;
+ }
+
+ afu->hwq_mode = mode;
+
+ return count;
}
/**
@@ -2203,18 +2784,32 @@ static ssize_t mode_show(struct device *dev,
*/
static DEVICE_ATTR_RO(port0);
static DEVICE_ATTR_RO(port1);
+static DEVICE_ATTR_RO(port2);
+static DEVICE_ATTR_RO(port3);
static DEVICE_ATTR_RW(lun_mode);
static DEVICE_ATTR_RO(ioctl_version);
static DEVICE_ATTR_RO(port0_lun_table);
static DEVICE_ATTR_RO(port1_lun_table);
+static DEVICE_ATTR_RO(port2_lun_table);
+static DEVICE_ATTR_RO(port3_lun_table);
+static DEVICE_ATTR_RW(irqpoll_weight);
+static DEVICE_ATTR_RW(num_hwqs);
+static DEVICE_ATTR_RW(hwq_mode);
static struct device_attribute *cxlflash_host_attrs[] = {
&dev_attr_port0,
&dev_attr_port1,
+ &dev_attr_port2,
+ &dev_attr_port3,
&dev_attr_lun_mode,
&dev_attr_ioctl_version,
&dev_attr_port0_lun_table,
&dev_attr_port1_lun_table,
+ &dev_attr_port2_lun_table,
+ &dev_attr_port3_lun_table,
+ &dev_attr_irqpoll_weight,
+ &dev_attr_num_hwqs,
+ &dev_attr_hwq_mode,
NULL
};
@@ -2292,6 +2887,7 @@ static void cxlflash_worker_thread(struct work_struct *work)
work_q);
struct afu *afu = cfg->afu;
struct device *dev = &cfg->dev->dev;
+ __be64 __iomem *fc_port_regs;
int port;
ulong lock_flags;
@@ -2312,8 +2908,8 @@ static void cxlflash_worker_thread(struct work_struct *work)
lock_flags);
/* The reset can block... */
- afu_link_reset(afu, port,
- &afu->afu_map->global.fc_regs[port][0]);
+ fc_port_regs = get_fc_port_regs(cfg, port);
+ afu_link_reset(afu, port, fc_port_regs);
spin_lock_irqsave(cfg->host->host_lock, lock_flags);
}
@@ -2331,6 +2927,15 @@ static void cxlflash_worker_thread(struct work_struct *work)
* @pdev: PCI device associated with the host.
* @dev_id: PCI device id associated with device.
*
+ * The device will initially start out in a 'probing' state and
+ * transition to the 'normal' state at the end of a successful
+ * probe. Should an EEH event occur during probe, the notification
+ * thread (error_detected()) will wait until the probe handler
+ * is nearly complete. At that time, the device will be moved to
+ * a 'probed' state and the EEH thread woken up to drive the slot
+ * reset and recovery (device moves to 'normal' state). Meanwhile,
+ * the probe will be allowed to exit successfully.
+ *
* Return: 0 on success, -errno on failure
*/
static int cxlflash_probe(struct pci_dev *pdev,
@@ -2341,6 +2946,7 @@ static int cxlflash_probe(struct pci_dev *pdev,
struct device *dev = &pdev->dev;
struct dev_dependent_vals *ddv;
int rc = 0;
+ int k;
dev_dbg(&pdev->dev, "%s: Found CXLFLASH with IRQ: %d\n",
__func__, pdev->irq);
@@ -2357,7 +2963,6 @@ static int cxlflash_probe(struct pci_dev *pdev,
host->max_id = CXLFLASH_MAX_NUM_TARGETS_PER_BUS;
host->max_lun = CXLFLASH_MAX_NUM_LUNS_PER_TARGET;
- host->max_channel = NUM_FC_PORTS - 1;
host->unique_id = host->host_no;
host->max_cmd_len = CXLFLASH_MAX_CDB_LEN;
@@ -2376,14 +2981,16 @@ static int cxlflash_probe(struct pci_dev *pdev,
cfg->cxl_fops = cxlflash_cxl_fops;
/*
- * The promoted LUNs move to the top of the LUN table. The rest stay
- * on the bottom half. The bottom half grows from the end
- * (index = 255), whereas the top half grows from the beginning
- * (index = 0).
+ * Promoted LUNs move to the top of the LUN table. The rest stay on
+ * the bottom half. The bottom half grows from the end (index = 255),
+ * whereas the top half grows from the beginning (index = 0).
+ *
+ * Initialize the last LUN index for all possible ports.
*/
- cfg->promote_lun_index = 0;
- cfg->last_lun_index[0] = CXLFLASH_NUM_VLUNS/2 - 1;
- cfg->last_lun_index[1] = CXLFLASH_NUM_VLUNS/2 - 1;
+ cfg->promote_lun_index = 0;
+
+ for (k = 0; k < MAX_FC_PORTS; k++)
+ cfg->last_lun_index[k] = CXLFLASH_NUM_VLUNS/2 - 1;
cfg->dev_id = (struct pci_device_id *)dev_id;
@@ -2412,7 +3019,7 @@ static int cxlflash_probe(struct pci_dev *pdev,
cfg->init_state = INIT_STATE_PCI;
rc = init_afu(cfg);
- if (rc) {
+ if (rc && !wq_has_sleeper(&cfg->reset_waitq)) {
dev_err(dev, "%s: init_afu failed rc=%d\n", __func__, rc);
goto out_remove;
}
@@ -2425,6 +3032,11 @@ static int cxlflash_probe(struct pci_dev *pdev,
}
cfg->init_state = INIT_STATE_SCSI;
+ if (wq_has_sleeper(&cfg->reset_waitq)) {
+ cfg->state = STATE_PROBED;
+ wake_up_all(&cfg->reset_waitq);
+ } else
+ cfg->state = STATE_NORMAL;
out:
dev_dbg(dev, "%s: returning rc=%d\n", __func__, rc);
return rc;
@@ -2455,7 +3067,8 @@ static pci_ers_result_t cxlflash_pci_error_detected(struct pci_dev *pdev,
switch (state) {
case pci_channel_io_frozen:
- wait_event(cfg->reset_waitq, cfg->state != STATE_RESET);
+ wait_event(cfg->reset_waitq, cfg->state != STATE_RESET &&
+ cfg->state != STATE_PROBING);
if (cfg->state == STATE_FAILTERM)
return PCI_ERS_RESULT_DISCONNECT;
@@ -2546,6 +3159,7 @@ static struct pci_driver cxlflash_driver = {
*/
static int __init init_cxlflash(void)
{
+ check_sizes();
cxlflash_list_init();
return pci_register_driver(&cxlflash_driver);
diff --git a/drivers/scsi/cxlflash/main.h b/drivers/scsi/cxlflash/main.h
index 0be2261e6312..49657f1f409e 100644
--- a/drivers/scsi/cxlflash/main.h
+++ b/drivers/scsi/cxlflash/main.h
@@ -37,8 +37,6 @@
#define CXLFLASH_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
-#define NUM_FC_PORTS CXLFLASH_NUM_FC_PORTS /* ports per AFU */
-
/* FC defines */
#define FC_MTIP_CMDCONFIG 0x010
#define FC_MTIP_STATUS 0x018
diff --git a/drivers/scsi/cxlflash/sislite.h b/drivers/scsi/cxlflash/sislite.h
index a6e48a893fef..a768360d2fa6 100644
--- a/drivers/scsi/cxlflash/sislite.h
+++ b/drivers/scsi/cxlflash/sislite.h
@@ -90,15 +90,15 @@ struct sisl_rc {
#define SISL_AFU_RC_RHT_UNALIGNED 0x02U /* should never happen */
#define SISL_AFU_RC_RHT_OUT_OF_BOUNDS 0x03u /* user error */
#define SISL_AFU_RC_RHT_DMA_ERR 0x04u /* see afu_extra
- may retry if afu_retry is off
- possible on master exit
+ * may retry if afu_retry is off
+ * possible on master exit
*/
#define SISL_AFU_RC_RHT_RW_PERM 0x05u /* no RW perms, user error */
#define SISL_AFU_RC_LXT_UNALIGNED 0x12U /* should never happen */
#define SISL_AFU_RC_LXT_OUT_OF_BOUNDS 0x13u /* user error */
#define SISL_AFU_RC_LXT_DMA_ERR 0x14u /* see afu_extra
- may retry if afu_retry is off
- possible on master exit
+ * may retry if afu_retry is off
+ * possible on master exit
*/
#define SISL_AFU_RC_LXT_RW_PERM 0x15u /* no RW perms, user error */
@@ -111,11 +111,11 @@ struct sisl_rc {
*/
#define SISL_AFU_RC_NO_CHANNELS 0x20U /* see afu_extra, may retry */
#define SISL_AFU_RC_CAP_VIOLATION 0x21U /* either user error or
- afu reset/master restart
+ * afu reset/master restart
*/
#define SISL_AFU_RC_OUT_OF_DATA_BUFS 0x30U /* always retry */
#define SISL_AFU_RC_DATA_DMA_ERR 0x31U /* see afu_extra
- may retry if afu_retry is off
+ * may retry if afu_retry is off
*/
u8 scsi_rc; /* SCSI status byte, retry as appropriate */
@@ -149,8 +149,9 @@ struct sisl_rc {
#define SISL_FC_RC_ABORTFAIL 0x59 /* pending abort completed w/fail */
#define SISL_FC_RC_RESID 0x5A /* ioasa underrun/overrun flags set */
#define SISL_FC_RC_RESIDERR 0x5B /* actual data len does not match SCSI
- reported len, possibly due to dropped
- frames */
+ * reported len, possibly due to dropped
+ * frames
+ */
#define SISL_FC_RC_TGTABORT 0x5C /* command aborted by target */
};
@@ -227,10 +228,10 @@ struct sisl_ioasa {
/* per context host transport MMIO */
struct sisl_host_map {
- __be64 endian_ctrl; /* Per context Endian Control. The AFU will
- * operate on whatever the context is of the
- * host application.
- */
+ __be64 endian_ctrl; /* Per context Endian Control. The AFU will
+ * operate on whatever the context is of the
+ * host application.
+ */
__be64 intr_status; /* this sends LISN# programmed in ctx_ctrl.
* Only recovery in a PERM_ERR is a context
@@ -292,28 +293,54 @@ struct sisl_ctrl_map {
/* single copy global regs */
struct sisl_global_regs {
__be64 aintr_status;
- /* In cxlflash, each FC port/link gets a byte of status */
-#define SISL_ASTATUS_FC0_OTHER 0x8000ULL /* b48, other err,
- FC_ERRCAP[31:20] */
-#define SISL_ASTATUS_FC0_LOGO 0x4000ULL /* b49, target sent FLOGI/PLOGI/LOGO
- while logged in */
-#define SISL_ASTATUS_FC0_CRC_T 0x2000ULL /* b50, CRC threshold exceeded */
-#define SISL_ASTATUS_FC0_LOGI_R 0x1000ULL /* b51, login state machine timed out
- and retrying */
-#define SISL_ASTATUS_FC0_LOGI_F 0x0800ULL /* b52, login failed,
- FC_ERROR[19:0] */
-#define SISL_ASTATUS_FC0_LOGI_S 0x0400ULL /* b53, login succeeded */
-#define SISL_ASTATUS_FC0_LINK_DN 0x0200ULL /* b54, link online to offline */
-#define SISL_ASTATUS_FC0_LINK_UP 0x0100ULL /* b55, link offline to online */
-
-#define SISL_ASTATUS_FC1_OTHER 0x0080ULL /* b56 */
-#define SISL_ASTATUS_FC1_LOGO 0x0040ULL /* b57 */
-#define SISL_ASTATUS_FC1_CRC_T 0x0020ULL /* b58 */
-#define SISL_ASTATUS_FC1_LOGI_R 0x0010ULL /* b59 */
-#define SISL_ASTATUS_FC1_LOGI_F 0x0008ULL /* b60 */
-#define SISL_ASTATUS_FC1_LOGI_S 0x0004ULL /* b61 */
-#define SISL_ASTATUS_FC1_LINK_DN 0x0002ULL /* b62 */
-#define SISL_ASTATUS_FC1_LINK_UP 0x0001ULL /* b63 */
+ /*
+ * In cxlflash, FC port/link are arranged in port pairs, each
+ * gets a byte of status:
+ *
+ * *_OTHER: other err, FC_ERRCAP[31:20]
+ * *_LOGO: target sent FLOGI/PLOGI/LOGO while logged in
+ * *_CRC_T: CRC threshold exceeded
+ * *_LOGI_R: login state machine timed out and retrying
+ * *_LOGI_F: login failed, FC_ERROR[19:0]
+ * *_LOGI_S: login succeeded
+ * *_LINK_DN: link online to offline
+ * *_LINK_UP: link offline to online
+ */
+#define SISL_ASTATUS_FC2_OTHER 0x80000000ULL /* b32 */
+#define SISL_ASTATUS_FC2_LOGO 0x40000000ULL /* b33 */
+#define SISL_ASTATUS_FC2_CRC_T 0x20000000ULL /* b34 */
+#define SISL_ASTATUS_FC2_LOGI_R 0x10000000ULL /* b35 */
+#define SISL_ASTATUS_FC2_LOGI_F 0x08000000ULL /* b36 */
+#define SISL_ASTATUS_FC2_LOGI_S 0x04000000ULL /* b37 */
+#define SISL_ASTATUS_FC2_LINK_DN 0x02000000ULL /* b38 */
+#define SISL_ASTATUS_FC2_LINK_UP 0x01000000ULL /* b39 */
+
+#define SISL_ASTATUS_FC3_OTHER 0x00800000ULL /* b40 */
+#define SISL_ASTATUS_FC3_LOGO 0x00400000ULL /* b41 */
+#define SISL_ASTATUS_FC3_CRC_T 0x00200000ULL /* b42 */
+#define SISL_ASTATUS_FC3_LOGI_R 0x00100000ULL /* b43 */
+#define SISL_ASTATUS_FC3_LOGI_F 0x00080000ULL /* b44 */
+#define SISL_ASTATUS_FC3_LOGI_S 0x00040000ULL /* b45 */
+#define SISL_ASTATUS_FC3_LINK_DN 0x00020000ULL /* b46 */
+#define SISL_ASTATUS_FC3_LINK_UP 0x00010000ULL /* b47 */
+
+#define SISL_ASTATUS_FC0_OTHER 0x00008000ULL /* b48 */
+#define SISL_ASTATUS_FC0_LOGO 0x00004000ULL /* b49 */
+#define SISL_ASTATUS_FC0_CRC_T 0x00002000ULL /* b50 */
+#define SISL_ASTATUS_FC0_LOGI_R 0x00001000ULL /* b51 */
+#define SISL_ASTATUS_FC0_LOGI_F 0x00000800ULL /* b52 */
+#define SISL_ASTATUS_FC0_LOGI_S 0x00000400ULL /* b53 */
+#define SISL_ASTATUS_FC0_LINK_DN 0x00000200ULL /* b54 */
+#define SISL_ASTATUS_FC0_LINK_UP 0x00000100ULL /* b55 */
+
+#define SISL_ASTATUS_FC1_OTHER 0x00000080ULL /* b56 */
+#define SISL_ASTATUS_FC1_LOGO 0x00000040ULL /* b57 */
+#define SISL_ASTATUS_FC1_CRC_T 0x00000020ULL /* b58 */
+#define SISL_ASTATUS_FC1_LOGI_R 0x00000010ULL /* b59 */
+#define SISL_ASTATUS_FC1_LOGI_F 0x00000008ULL /* b60 */
+#define SISL_ASTATUS_FC1_LOGI_S 0x00000004ULL /* b61 */
+#define SISL_ASTATUS_FC1_LINK_DN 0x00000002ULL /* b62 */
+#define SISL_ASTATUS_FC1_LINK_UP 0x00000001ULL /* b63 */
#define SISL_FC_INTERNAL_UNMASK 0x0000000300000000ULL /* 1 means unmasked */
#define SISL_FC_INTERNAL_MASK ~(SISL_FC_INTERNAL_UNMASK)
@@ -325,7 +352,7 @@ struct sisl_global_regs {
#define SISL_STATUS_SHUTDOWN_ACTIVE 0x0000000000000010ULL
#define SISL_STATUS_SHUTDOWN_COMPLETE 0x0000000000000020ULL
-#define SISL_ASTATUS_UNMASK 0xFFFFULL /* 1 means unmasked */
+#define SISL_ASTATUS_UNMASK 0xFFFFFFFFULL /* 1 means unmasked */
#define SISL_ASTATUS_MASK ~(SISL_ASTATUS_UNMASK) /* 1 means masked */
__be64 aintr_clear;
@@ -367,9 +394,18 @@ struct sisl_global_regs {
#define SISL_INTVER_CAP_RESERVED_CMD_MODE_B 0x100000000000ULL
};
-#define CXLFLASH_NUM_FC_PORTS 2
-#define CXLFLASH_MAX_CONTEXT 512 /* how many contexts per afu */
-#define CXLFLASH_NUM_VLUNS 512
+#define CXLFLASH_NUM_FC_PORTS_PER_BANK 2 /* fixed # of ports per bank */
+#define CXLFLASH_MAX_FC_BANKS 2 /* max # of banks supported */
+#define CXLFLASH_MAX_FC_PORTS (CXLFLASH_NUM_FC_PORTS_PER_BANK * \
+ CXLFLASH_MAX_FC_BANKS)
+#define CXLFLASH_MAX_CONTEXT 512 /* number of contexts per AFU */
+#define CXLFLASH_NUM_VLUNS 512 /* number of vluns per AFU/port */
+#define CXLFLASH_NUM_REGS 512 /* number of registers per port */
+
+struct fc_port_bank {
+ __be64 fc_port_regs[CXLFLASH_NUM_FC_PORTS_PER_BANK][CXLFLASH_NUM_REGS];
+ __be64 fc_port_luns[CXLFLASH_NUM_FC_PORTS_PER_BANK][CXLFLASH_NUM_VLUNS];
+};
struct sisl_global_map {
union {
@@ -379,11 +415,9 @@ struct sisl_global_map {
char page1[SIZE_4K]; /* page 1 */
- /* pages 2 & 3 */
- __be64 fc_regs[CXLFLASH_NUM_FC_PORTS][CXLFLASH_NUM_VLUNS];
+ struct fc_port_bank bank[CXLFLASH_MAX_FC_BANKS]; /* pages 2 - 9 */
- /* pages 4 & 5 (lun tbl) */
- __be64 fc_port[CXLFLASH_NUM_FC_PORTS][CXLFLASH_NUM_VLUNS];
+ /* pages 10 - 15 are reserved */
};
@@ -402,7 +436,7 @@ struct sisl_global_map {
* | 64 KB Global |
* | Trusted Process accessible |
* +-------------------------------+
-*/
+ */
struct cxlflash_afu_map {
union {
struct sisl_host_map host;
@@ -478,7 +512,9 @@ struct sisl_rht_entry_f1 {
#define PORT0 0x01U
#define PORT1 0x02U
-#define BOTH_PORTS (PORT0 | PORT1)
+#define PORT2 0x04U
+#define PORT3 0x08U
+#define PORT_MASK(_n) ((1 << (_n)) - 1)
/* AFU Sync Mode byte */
#define AFU_LW_SYNC 0x0U
diff --git a/drivers/scsi/cxlflash/superpipe.c b/drivers/scsi/cxlflash/superpipe.c
index b46fd2f45628..fe9f17a6268b 100644
--- a/drivers/scsi/cxlflash/superpipe.c
+++ b/drivers/scsi/cxlflash/superpipe.c
@@ -78,17 +78,18 @@ void cxlflash_free_errpage(void)
* memory freed. This is accomplished by putting the contexts in error
* state which will notify the user and let them 'drive' the tear down.
* Meanwhile, this routine camps until all user contexts have been removed.
+ *
+ * Note that the main loop in this routine will always execute at least once
+ * to flush the reset_waitq.
*/
void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *cfg)
{
struct device *dev = &cfg->dev->dev;
- int i, found;
+ int i, found = true;
cxlflash_mark_contexts_error(cfg);
while (true) {
- found = false;
-
for (i = 0; i < MAX_CONTEXT; i++)
if (cfg->ctx_tbl[i]) {
found = true;
@@ -102,6 +103,7 @@ void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *cfg)
__func__);
wake_up_all(&cfg->reset_waitq);
ssleep(1);
+ found = false;
}
}
@@ -252,6 +254,7 @@ static int afu_attach(struct cxlflash_cfg *cfg, struct ctx_info *ctxi)
struct afu *afu = cfg->afu;
struct sisl_ctrl_map __iomem *ctrl_map = ctxi->ctrl_map;
int rc = 0;
+ struct hwq *hwq = get_hwq(afu, PRIMARY_HWQ);
u64 val;
/* Unlock cap and restrict user to read/write cmds in translated mode */
@@ -268,7 +271,7 @@ static int afu_attach(struct cxlflash_cfg *cfg, struct ctx_info *ctxi)
/* Set up MMIO registers pointing to the RHT */
writeq_be((u64)ctxi->rht_start, &ctrl_map->rht_start);
- val = SISL_RHT_CNT_ID((u64)MAX_RHT_PER_CONTEXT, (u64)(afu->ctx_hndl));
+ val = SISL_RHT_CNT_ID((u64)MAX_RHT_PER_CONTEXT, (u64)(hwq->ctx_hndl));
writeq_be(val, &ctrl_map->rht_cnt_id);
out:
dev_dbg(dev, "%s: returning rc=%d\n", __func__, rc);
@@ -1624,6 +1627,7 @@ static int cxlflash_afu_recover(struct scsi_device *sdev,
struct afu *afu = cfg->afu;
struct ctx_info *ctxi = NULL;
struct mutex *mutex = &cfg->ctx_recovery_mutex;
+ struct hwq *hwq = get_hwq(afu, PRIMARY_HWQ);
u64 flags;
u64 ctxid = DECODE_CTXID(recover->context_id),
rctxid = recover->context_id;
@@ -1694,7 +1698,7 @@ retry_recover:
}
/* Test if in error state */
- reg = readq_be(&afu->ctrl_map->mbox_r);
+ reg = readq_be(&hwq->ctrl_map->mbox_r);
if (reg == -1) {
dev_dbg(dev, "%s: MMIO fail, wait for recovery.\n", __func__);
@@ -1933,7 +1937,7 @@ static int cxlflash_disk_direct_open(struct scsi_device *sdev, void *arg)
u64 lun_size = 0;
u64 last_lba = 0;
u64 rsrc_handle = -1;
- u32 port = CHAN2PORT(sdev->channel);
+ u32 port = CHAN2PORTMASK(sdev->channel);
int rc = 0;
diff --git a/drivers/scsi/cxlflash/superpipe.h b/drivers/scsi/cxlflash/superpipe.h
index 9e62ff304e4b..0b5976829913 100644
--- a/drivers/scsi/cxlflash/superpipe.h
+++ b/drivers/scsi/cxlflash/superpipe.h
@@ -24,8 +24,8 @@ extern struct cxlflash_global global;
*/
/* Chunk size parms: note sislite minimum chunk size is
- 0x10000 LBAs corresponding to a NMASK or 16.
-*/
+ * 0x10000 LBAs corresponding to a NMASK or 16.
+ */
#define MC_CHUNK_SIZE (1 << MC_RHT_NMASK) /* in LBAs */
#define CMD_TIMEOUT 30 /* 30 secs */
@@ -33,9 +33,6 @@ extern struct cxlflash_global global;
#define MAX_SECTOR_UNIT 512 /* max_sector is in 512 byte multiples */
-#define CHAN2PORT(_x) ((_x) + 1)
-#define PORT2CHAN(_x) ((_x) - 1)
-
enum lun_mode {
MODE_NONE = 0,
MODE_VIRTUAL,
@@ -59,7 +56,7 @@ struct glun_info {
/* Local (per-adapter) lun_info structure */
struct llun_info {
- u64 lun_id[CXLFLASH_NUM_FC_PORTS]; /* from REPORT_LUNS */
+ u64 lun_id[MAX_FC_PORTS]; /* from REPORT_LUNS */
u32 lun_index; /* Index in the LUN table */
u32 host_no; /* host_no from Scsi_host */
u32 port_sel; /* What port to use for this LUN */
@@ -92,7 +89,8 @@ enum ctx_ctrl {
struct ctx_info {
struct sisl_ctrl_map __iomem *ctrl_map; /* initialized at startup */
struct sisl_rht_entry *rht_start; /* 1 page (req'd for alignment),
- alloc/free on attach/detach */
+ * alloc/free on attach/detach
+ */
u32 rht_out; /* Number of checked out RHT entries */
u32 rht_perms; /* User-defined permissions for RHT entries */
struct llun_info **rht_lun; /* Mapping of RHT entries to LUNs */
@@ -120,34 +118,40 @@ struct cxlflash_global {
struct page *err_page; /* One page of all 0xF for error notification */
};
-int cxlflash_vlun_resize(struct scsi_device *, struct dk_cxlflash_resize *);
-int _cxlflash_vlun_resize(struct scsi_device *, struct ctx_info *,
- struct dk_cxlflash_resize *);
+int cxlflash_vlun_resize(struct scsi_device *sdev,
+ struct dk_cxlflash_resize *resize);
+int _cxlflash_vlun_resize(struct scsi_device *sdev, struct ctx_info *ctxi,
+ struct dk_cxlflash_resize *resize);
-int cxlflash_disk_release(struct scsi_device *, struct dk_cxlflash_release *);
-int _cxlflash_disk_release(struct scsi_device *, struct ctx_info *,
- struct dk_cxlflash_release *);
+int cxlflash_disk_release(struct scsi_device *sdev,
+ struct dk_cxlflash_release *release);
+int _cxlflash_disk_release(struct scsi_device *sdev, struct ctx_info *ctxi,
+ struct dk_cxlflash_release *release);
-int cxlflash_disk_clone(struct scsi_device *, struct dk_cxlflash_clone *);
+int cxlflash_disk_clone(struct scsi_device *sdev,
+ struct dk_cxlflash_clone *clone);
-int cxlflash_disk_virtual_open(struct scsi_device *, void *);
+int cxlflash_disk_virtual_open(struct scsi_device *sdev, void *arg);
-int cxlflash_lun_attach(struct glun_info *, enum lun_mode, bool);
-void cxlflash_lun_detach(struct glun_info *);
+int cxlflash_lun_attach(struct glun_info *gli, enum lun_mode mode, bool locked);
+void cxlflash_lun_detach(struct glun_info *gli);
-struct ctx_info *get_context(struct cxlflash_cfg *, u64, void *, enum ctx_ctrl);
-void put_context(struct ctx_info *);
+struct ctx_info *get_context(struct cxlflash_cfg *cfg, u64 rctxit, void *arg,
+ enum ctx_ctrl ctrl);
+void put_context(struct ctx_info *ctxi);
-struct sisl_rht_entry *get_rhte(struct ctx_info *, res_hndl_t,
- struct llun_info *);
+struct sisl_rht_entry *get_rhte(struct ctx_info *ctxi, res_hndl_t rhndl,
+ struct llun_info *lli);
-struct sisl_rht_entry *rhte_checkout(struct ctx_info *, struct llun_info *);
-void rhte_checkin(struct ctx_info *, struct sisl_rht_entry *);
+struct sisl_rht_entry *rhte_checkout(struct ctx_info *ctxi,
+ struct llun_info *lli);
+void rhte_checkin(struct ctx_info *ctxi, struct sisl_rht_entry *rhte);
-void cxlflash_ba_terminate(struct ba_lun *);
+void cxlflash_ba_terminate(struct ba_lun *ba_lun);
-int cxlflash_manage_lun(struct scsi_device *, struct dk_cxlflash_manage_lun *);
+int cxlflash_manage_lun(struct scsi_device *sdev,
+ struct dk_cxlflash_manage_lun *manage);
-int check_state(struct cxlflash_cfg *);
+int check_state(struct cxlflash_cfg *cfg);
#endif /* ifndef _CXLFLASH_SUPERPIPE_H */
diff --git a/drivers/scsi/cxlflash/vlun.c b/drivers/scsi/cxlflash/vlun.c
index 7aa06ef229fd..90b5c19f81f0 100644
--- a/drivers/scsi/cxlflash/vlun.c
+++ b/drivers/scsi/cxlflash/vlun.c
@@ -819,11 +819,10 @@ int cxlflash_vlun_resize(struct scsi_device *sdev,
void cxlflash_restore_luntable(struct cxlflash_cfg *cfg)
{
struct llun_info *lli, *temp;
- u32 chan;
u32 lind;
- struct afu *afu = cfg->afu;
+ int k;
struct device *dev = &cfg->dev->dev;
- struct sisl_global_map __iomem *agm = &afu->afu_map->global;
+ __be64 __iomem *fc_port_luns;
mutex_lock(&global.mutex);
@@ -832,33 +831,41 @@ void cxlflash_restore_luntable(struct cxlflash_cfg *cfg)
continue;
lind = lli->lun_index;
+ dev_dbg(dev, "%s: Virtual LUNs on slot %d:\n", __func__, lind);
- if (lli->port_sel == BOTH_PORTS) {
- writeq_be(lli->lun_id[0], &agm->fc_port[0][lind]);
- writeq_be(lli->lun_id[1], &agm->fc_port[1][lind]);
- dev_dbg(dev, "%s: Virtual LUN on slot %d id0=%llx "
- "id1=%llx\n", __func__, lind,
- lli->lun_id[0], lli->lun_id[1]);
- } else {
- chan = PORT2CHAN(lli->port_sel);
- writeq_be(lli->lun_id[chan], &agm->fc_port[chan][lind]);
- dev_dbg(dev, "%s: Virtual LUN on slot %d chan=%d "
- "id=%llx\n", __func__, lind, chan,
- lli->lun_id[chan]);
- }
+ for (k = 0; k < cfg->num_fc_ports; k++)
+ if (lli->port_sel & (1 << k)) {
+ fc_port_luns = get_fc_port_luns(cfg, k);
+ writeq_be(lli->lun_id[k], &fc_port_luns[lind]);
+ dev_dbg(dev, "\t%d=%llx\n", k, lli->lun_id[k]);
+ }
}
mutex_unlock(&global.mutex);
}
/**
+ * get_num_ports() - compute number of ports from port selection mask
+ * @psm: Port selection mask.
+ *
+ * Return: Population count of port selection mask
+ */
+static inline u8 get_num_ports(u32 psm)
+{
+ static const u8 bits[16] = { 0, 1, 1, 2, 1, 2, 2, 3,
+ 1, 2, 2, 3, 2, 3, 3, 4 };
+
+ return bits[psm & 0xf];
+}
+
+/**
* init_luntable() - write an entry in the LUN table
* @cfg: Internal structure associated with the host.
* @lli: Per adapter LUN information structure.
*
- * On successful return, a LUN table entry is created.
- * At the top for LUNs visible on both ports.
- * At the bottom for LUNs visible only on one port.
+ * On successful return, a LUN table entry is created:
+ * - at the top for LUNs visible on multiple ports.
+ * - at the bottom for LUNs visible only on one port.
*
* Return: 0 on success, -errno on failure
*/
@@ -866,48 +873,68 @@ static int init_luntable(struct cxlflash_cfg *cfg, struct llun_info *lli)
{
u32 chan;
u32 lind;
+ u32 nports;
int rc = 0;
- struct afu *afu = cfg->afu;
+ int k;
struct device *dev = &cfg->dev->dev;
- struct sisl_global_map __iomem *agm = &afu->afu_map->global;
+ __be64 __iomem *fc_port_luns;
mutex_lock(&global.mutex);
if (lli->in_table)
goto out;
- if (lli->port_sel == BOTH_PORTS) {
+ nports = get_num_ports(lli->port_sel);
+ if (nports == 0 || nports > cfg->num_fc_ports) {
+ WARN(1, "Unsupported port configuration nports=%u", nports);
+ rc = -EIO;
+ goto out;
+ }
+
+ if (nports > 1) {
/*
- * If this LUN is visible from both ports, we will put
+ * When LUN is visible from multiple ports, we will put
* it in the top half of the LUN table.
*/
- if ((cfg->promote_lun_index == cfg->last_lun_index[0]) ||
- (cfg->promote_lun_index == cfg->last_lun_index[1])) {
- rc = -ENOSPC;
- goto out;
+ for (k = 0; k < cfg->num_fc_ports; k++) {
+ if (!(lli->port_sel & (1 << k)))
+ continue;
+
+ if (cfg->promote_lun_index == cfg->last_lun_index[k]) {
+ rc = -ENOSPC;
+ goto out;
+ }
}
lind = lli->lun_index = cfg->promote_lun_index;
- writeq_be(lli->lun_id[0], &agm->fc_port[0][lind]);
- writeq_be(lli->lun_id[1], &agm->fc_port[1][lind]);
+ dev_dbg(dev, "%s: Virtual LUNs on slot %d:\n", __func__, lind);
+
+ for (k = 0; k < cfg->num_fc_ports; k++) {
+ if (!(lli->port_sel & (1 << k)))
+ continue;
+
+ fc_port_luns = get_fc_port_luns(cfg, k);
+ writeq_be(lli->lun_id[k], &fc_port_luns[lind]);
+ dev_dbg(dev, "\t%d=%llx\n", k, lli->lun_id[k]);
+ }
+
cfg->promote_lun_index++;
- dev_dbg(dev, "%s: Virtual LUN on slot %d id0=%llx id1=%llx\n",
- __func__, lind, lli->lun_id[0], lli->lun_id[1]);
} else {
/*
- * If this LUN is visible only from one port, we will put
+ * When LUN is visible only from one port, we will put
* it in the bottom half of the LUN table.
*/
- chan = PORT2CHAN(lli->port_sel);
+ chan = PORTMASK2CHAN(lli->port_sel);
if (cfg->promote_lun_index == cfg->last_lun_index[chan]) {
rc = -ENOSPC;
goto out;
}
lind = lli->lun_index = cfg->last_lun_index[chan];
- writeq_be(lli->lun_id[chan], &agm->fc_port[chan][lind]);
+ fc_port_luns = get_fc_port_luns(cfg, chan);
+ writeq_be(lli->lun_id[chan], &fc_port_luns[lind]);
cfg->last_lun_index[chan]--;
- dev_dbg(dev, "%s: Virtual LUN on slot %d chan=%d id=%llx\n",
+ dev_dbg(dev, "%s: Virtual LUNs on slot %d:\n\t%d=%llx\n",
__func__, lind, chan, lli->lun_id[chan]);
}
@@ -1016,7 +1043,7 @@ int cxlflash_disk_virtual_open(struct scsi_device *sdev, void *arg)
virt->last_lba = last_lba;
virt->rsrc_handle = rsrc_handle;
- if (lli->port_sel == BOTH_PORTS)
+ if (get_num_ports(lli->port_sel) > 1)
virt->hdr.return_flags |= DK_CXLFLASH_ALL_PORTS_ACTIVE;
out:
if (likely(ctxi))
diff --git a/drivers/scsi/cxlflash/vlun.h b/drivers/scsi/cxlflash/vlun.h
index 8b29a74946e4..27a63a0155ce 100644
--- a/drivers/scsi/cxlflash/vlun.h
+++ b/drivers/scsi/cxlflash/vlun.h
@@ -47,7 +47,7 @@
* not stored anywhere.
*
* The LXT table is re-allocated whenever it needs to cross into another group.
-*/
+ */
#define LXT_GROUP_SIZE 8
#define LXT_NUM_GROUPS(lxt_cnt) (((lxt_cnt) + 7)/8) /* alloc'ed groups */
#define LXT_LUNIDX_SHIFT 8 /* LXT entry, shift for LUN index */
diff --git a/drivers/scsi/esas2r/esas2r_log.c b/drivers/scsi/esas2r/esas2r_log.c
index a82030aa8577..65fdf22b0ba9 100644
--- a/drivers/scsi/esas2r/esas2r_log.c
+++ b/drivers/scsi/esas2r/esas2r_log.c
@@ -130,11 +130,6 @@ static int esas2r_log_master(const long level,
spin_lock_irqsave(&event_buffer_lock, flags);
- if (buffer == NULL) {
- spin_unlock_irqrestore(&event_buffer_lock, flags);
- return -1;
- }
-
memset(buffer, 0, buflen);
/*
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index ab7bc1505e0b..90939f66bc0d 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -63,11 +63,11 @@ unsigned int fcoe_debug_logging;
module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
-unsigned int fcoe_e_d_tov = 2 * 1000;
+static unsigned int fcoe_e_d_tov = 2 * 1000;
module_param_named(e_d_tov, fcoe_e_d_tov, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(e_d_tov, "E_D_TOV in ms, default 2000");
-unsigned int fcoe_r_a_tov = 2 * 2 * 1000;
+static unsigned int fcoe_r_a_tov = 2 * 2 * 1000;
module_param_named(r_a_tov, fcoe_r_a_tov, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(r_a_tov, "R_A_TOV in ms, default 4000");
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 9e4b7709043e..67aab965c0f4 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -39,7 +39,7 @@
#define DRV_NAME "fnic"
#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
-#define DRV_VERSION "1.6.0.21"
+#define DRV_VERSION "1.6.0.34"
#define PFX DRV_NAME ": "
#define DFX DRV_NAME "%d: "
@@ -217,7 +217,6 @@ struct fnic {
struct fcoe_ctlr ctlr; /* FIP FCoE controller structure */
struct vnic_dev_bar bar0;
- struct msix_entry msix_entry[FNIC_MSIX_INTR_MAX];
struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX];
struct vnic_stats *stats;
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
index 3b7da66e2771..245dcd95e11f 100644
--- a/drivers/scsi/fnic/fnic_fcs.c
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -342,8 +342,11 @@ static void fnic_fcoe_send_vlan_req(struct fnic *fnic)
fnic_fcoe_reset_vlans(fnic);
fnic->set_vlan(fnic, 0);
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
- "Sending VLAN request...\n");
+
+ if (printk_ratelimit())
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ "Sending VLAN request...\n");
+
skb = dev_alloc_skb(sizeof(struct fip_vlan));
if (!skb)
return;
@@ -359,7 +362,7 @@ static void fnic_fcoe_send_vlan_req(struct fnic *fnic)
vlan->fip.fip_ver = FIP_VER_ENCAPS(FIP_VER);
vlan->fip.fip_op = htons(FIP_OP_VLAN);
- vlan->fip.fip_subcode = FIP_SC_VL_NOTE;
+ vlan->fip.fip_subcode = FIP_SC_VL_REQ;
vlan->fip.fip_dl_len = htons(sizeof(vlan->desc) / FIP_BPW);
vlan->desc.mac.fd_desc.fip_dtype = FIP_DT_MAC;
@@ -1313,10 +1316,11 @@ void fnic_handle_fip_timer(struct fnic *fnic)
spin_lock_irqsave(&fnic->vlans_lock, flags);
if (list_empty(&fnic->vlans)) {
- /* no vlans available, try again */
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
- "Start VLAN Discovery\n");
spin_unlock_irqrestore(&fnic->vlans_lock, flags);
+ /* no vlans available, try again */
+ if (printk_ratelimit())
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Start VLAN Discovery\n");
fnic_event_enq(fnic, FNIC_EVT_START_VLAN_DISC);
return;
}
@@ -1332,10 +1336,11 @@ void fnic_handle_fip_timer(struct fnic *fnic)
spin_unlock_irqrestore(&fnic->vlans_lock, flags);
break;
case FIP_VLAN_FAILED:
- /* if all vlans are in failed state, restart vlan disc */
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
- "Start VLAN Discovery\n");
spin_unlock_irqrestore(&fnic->vlans_lock, flags);
+ /* if all vlans are in failed state, restart vlan disc */
+ if (printk_ratelimit())
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ "Start VLAN Discovery\n");
fnic_event_enq(fnic, FNIC_EVT_START_VLAN_DISC);
break;
case FIP_VLAN_SENT:
diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c
index a0dd1b67a467..4e3a50202e8c 100644
--- a/drivers/scsi/fnic/fnic_isr.c
+++ b/drivers/scsi/fnic/fnic_isr.c
@@ -154,13 +154,13 @@ void fnic_free_intr(struct fnic *fnic)
switch (vnic_dev_get_intr_mode(fnic->vdev)) {
case VNIC_DEV_INTR_MODE_INTX:
case VNIC_DEV_INTR_MODE_MSI:
- free_irq(fnic->pdev->irq, fnic);
+ free_irq(pci_irq_vector(fnic->pdev, 0), fnic);
break;
case VNIC_DEV_INTR_MODE_MSIX:
for (i = 0; i < ARRAY_SIZE(fnic->msix); i++)
if (fnic->msix[i].requested)
- free_irq(fnic->msix_entry[i].vector,
+ free_irq(pci_irq_vector(fnic->pdev, i),
fnic->msix[i].devid);
break;
@@ -177,12 +177,12 @@ int fnic_request_intr(struct fnic *fnic)
switch (vnic_dev_get_intr_mode(fnic->vdev)) {
case VNIC_DEV_INTR_MODE_INTX:
- err = request_irq(fnic->pdev->irq, &fnic_isr_legacy,
- IRQF_SHARED, DRV_NAME, fnic);
+ err = request_irq(pci_irq_vector(fnic->pdev, 0),
+ &fnic_isr_legacy, IRQF_SHARED, DRV_NAME, fnic);
break;
case VNIC_DEV_INTR_MODE_MSI:
- err = request_irq(fnic->pdev->irq, &fnic_isr_msi,
+ err = request_irq(pci_irq_vector(fnic->pdev, 0), &fnic_isr_msi,
0, fnic->name, fnic);
break;
@@ -210,7 +210,7 @@ int fnic_request_intr(struct fnic *fnic)
fnic->msix[FNIC_MSIX_ERR_NOTIFY].devid = fnic;
for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) {
- err = request_irq(fnic->msix_entry[i].vector,
+ err = request_irq(pci_irq_vector(fnic->pdev, i),
fnic->msix[i].isr, 0,
fnic->msix[i].devname,
fnic->msix[i].devid);
@@ -237,7 +237,6 @@ int fnic_set_intr_mode(struct fnic *fnic)
unsigned int n = ARRAY_SIZE(fnic->rq);
unsigned int m = ARRAY_SIZE(fnic->wq);
unsigned int o = ARRAY_SIZE(fnic->wq_copy);
- unsigned int i;
/*
* Set interrupt mode (INTx, MSI, MSI-X) depending
@@ -248,23 +247,20 @@ int fnic_set_intr_mode(struct fnic *fnic)
* We need n RQs, m WQs, o Copy WQs, n+m+o CQs, and n+m+o+1 INTRs
* (last INTR is used for WQ/RQ errors and notification area)
*/
-
- BUG_ON(ARRAY_SIZE(fnic->msix_entry) < n + m + o + 1);
- for (i = 0; i < n + m + o + 1; i++)
- fnic->msix_entry[i].entry = i;
-
if (fnic->rq_count >= n &&
fnic->raw_wq_count >= m &&
fnic->wq_copy_count >= o &&
fnic->cq_count >= n + m + o) {
- if (!pci_enable_msix_exact(fnic->pdev, fnic->msix_entry,
- n + m + o + 1)) {
+ int vecs = n + m + o + 1;
+
+ if (pci_alloc_irq_vectors(fnic->pdev, vecs, vecs,
+ PCI_IRQ_MSIX) < 0) {
fnic->rq_count = n;
fnic->raw_wq_count = m;
fnic->wq_copy_count = o;
fnic->wq_count = m + o;
fnic->cq_count = n + m + o;
- fnic->intr_count = n + m + o + 1;
+ fnic->intr_count = vecs;
fnic->err_intr_offset = FNIC_MSIX_ERR_NOTIFY;
FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
@@ -284,8 +280,7 @@ int fnic_set_intr_mode(struct fnic *fnic)
fnic->wq_copy_count >= 1 &&
fnic->cq_count >= 3 &&
fnic->intr_count >= 1 &&
- !pci_enable_msi(fnic->pdev)) {
-
+ pci_alloc_irq_vectors(fnic->pdev, 1, 1, PCI_IRQ_MSI) < 0) {
fnic->rq_count = 1;
fnic->raw_wq_count = 1;
fnic->wq_copy_count = 1;
@@ -334,17 +329,7 @@ int fnic_set_intr_mode(struct fnic *fnic)
void fnic_clear_intr_mode(struct fnic *fnic)
{
- switch (vnic_dev_get_intr_mode(fnic->vdev)) {
- case VNIC_DEV_INTR_MODE_MSIX:
- pci_disable_msix(fnic->pdev);
- break;
- case VNIC_DEV_INTR_MODE_MSI:
- pci_disable_msi(fnic->pdev);
- break;
- default:
- break;
- }
-
+ pci_free_irq_vectors(fnic->pdev);
vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
}
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index adb3d5871e74..d048f3b5006f 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -823,6 +823,7 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
spinlock_t *io_lock;
u64 cmd_trace;
unsigned long start_time;
+ unsigned long io_duration_time;
/* Decode the cmpl description to get the io_req id */
fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
@@ -876,32 +877,28 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
/*
* if SCSI-ML has already issued abort on this command,
- * ignore completion of the IO. The abts path will clean it up
+ * set completion of the IO. The abts path will clean it up
*/
if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
- spin_unlock_irqrestore(io_lock, flags);
+
+ /*
+ * set the FNIC_IO_DONE so that this doesn't get
+ * flagged as 'out of order' if it was not aborted
+ */
+ CMD_FLAGS(sc) |= FNIC_IO_DONE;
CMD_FLAGS(sc) |= FNIC_IO_ABTS_PENDING;
- switch (hdr_status) {
- case FCPIO_SUCCESS:
- CMD_FLAGS(sc) |= FNIC_IO_DONE;
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "icmnd_cmpl ABTS pending hdr status = %s "
- "sc 0x%p scsi_status %x residual %d\n",
- fnic_fcpio_status_to_str(hdr_status), sc,
- icmnd_cmpl->scsi_status,
- icmnd_cmpl->residual);
- break;
- case FCPIO_ABORTED:
+ spin_unlock_irqrestore(io_lock, flags);
+ if(FCPIO_ABORTED == hdr_status)
CMD_FLAGS(sc) |= FNIC_IO_ABORTED;
- break;
- default:
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "icmnd_cmpl abts pending "
- "hdr status = %s tag = 0x%x sc = 0x%p\n",
- fnic_fcpio_status_to_str(hdr_status),
- id, sc);
- break;
- }
+
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
+ "icmnd_cmpl abts pending "
+ "hdr status = %s tag = 0x%x sc = 0x%p"
+ "scsi_status = %x residual = %d\n",
+ fnic_fcpio_status_to_str(hdr_status),
+ id, sc,
+ icmnd_cmpl->scsi_status,
+ icmnd_cmpl->residual);
return;
}
@@ -919,6 +916,9 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
xfer_len -= icmnd_cmpl->residual;
+ if (icmnd_cmpl->scsi_status == SAM_STAT_CHECK_CONDITION)
+ atomic64_inc(&fnic_stats->misc_stats.check_condition);
+
if (icmnd_cmpl->scsi_status == SAM_STAT_TASK_SET_FULL)
atomic64_inc(&fnic_stats->misc_stats.queue_fulls);
break;
@@ -1017,6 +1017,28 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
else
atomic64_inc(&fnic_stats->io_stats.io_completions);
+
+ io_duration_time = jiffies_to_msecs(jiffies) - jiffies_to_msecs(io_req->start_time);
+
+ if(io_duration_time <= 10)
+ atomic64_inc(&fnic_stats->io_stats.io_btw_0_to_10_msec);
+ else if(io_duration_time <= 100)
+ atomic64_inc(&fnic_stats->io_stats.io_btw_10_to_100_msec);
+ else if(io_duration_time <= 500)
+ atomic64_inc(&fnic_stats->io_stats.io_btw_100_to_500_msec);
+ else if(io_duration_time <= 5000)
+ atomic64_inc(&fnic_stats->io_stats.io_btw_500_to_5000_msec);
+ else if(io_duration_time <= 10000)
+ atomic64_inc(&fnic_stats->io_stats.io_btw_5000_to_10000_msec);
+ else if(io_duration_time <= 30000)
+ atomic64_inc(&fnic_stats->io_stats.io_btw_10000_to_30000_msec);
+ else {
+ atomic64_inc(&fnic_stats->io_stats.io_greater_than_30000_msec);
+
+ if(io_duration_time > atomic64_read(&fnic_stats->io_stats.current_max_io_time))
+ atomic64_set(&fnic_stats->io_stats.current_max_io_time, io_duration_time);
+ }
+
/* Call SCSI completion function to complete the IO */
if (sc->scsi_done)
sc->scsi_done(sc);
@@ -1128,18 +1150,11 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
}
CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_DONE;
+ CMD_ABTS_STATUS(sc) = hdr_status;
/* If the status is IO not found consider it as success */
if (hdr_status == FCPIO_IO_NOT_FOUND)
CMD_ABTS_STATUS(sc) = FCPIO_SUCCESS;
- else
- CMD_ABTS_STATUS(sc) = hdr_status;
-
- atomic64_dec(&fnic_stats->io_stats.active_ios);
- if (atomic64_read(&fnic->io_cmpl_skip))
- atomic64_dec(&fnic->io_cmpl_skip);
- else
- atomic64_inc(&fnic_stats->io_stats.io_completions);
if (!(CMD_FLAGS(sc) & (FNIC_IO_ABORTED | FNIC_IO_DONE)))
atomic64_inc(&misc_stats->no_icmnd_itmf_cmpls);
@@ -1181,6 +1196,11 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
(((u64)CMD_FLAGS(sc) << 32) |
CMD_STATE(sc)));
sc->scsi_done(sc);
+ atomic64_dec(&fnic_stats->io_stats.active_ios);
+ if (atomic64_read(&fnic->io_cmpl_skip))
+ atomic64_dec(&fnic->io_cmpl_skip);
+ else
+ atomic64_inc(&fnic_stats->io_stats.io_completions);
}
}
@@ -1793,6 +1813,7 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
struct terminate_stats *term_stats;
enum fnic_ioreq_state old_ioreq_state;
int tag;
+ unsigned long abt_issued_time;
DECLARE_COMPLETION_ONSTACK(tm_done);
/* Wait for rport to unblock */
@@ -1846,6 +1867,25 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
spin_unlock_irqrestore(io_lock, flags);
goto wait_pending;
}
+
+ abt_issued_time = jiffies_to_msecs(jiffies) - jiffies_to_msecs(io_req->start_time);
+ if (abt_issued_time <= 6000)
+ atomic64_inc(&abts_stats->abort_issued_btw_0_to_6_sec);
+ else if (abt_issued_time > 6000 && abt_issued_time <= 20000)
+ atomic64_inc(&abts_stats->abort_issued_btw_6_to_20_sec);
+ else if (abt_issued_time > 20000 && abt_issued_time <= 30000)
+ atomic64_inc(&abts_stats->abort_issued_btw_20_to_30_sec);
+ else if (abt_issued_time > 30000 && abt_issued_time <= 40000)
+ atomic64_inc(&abts_stats->abort_issued_btw_30_to_40_sec);
+ else if (abt_issued_time > 40000 && abt_issued_time <= 50000)
+ atomic64_inc(&abts_stats->abort_issued_btw_40_to_50_sec);
+ else if (abt_issued_time > 50000 && abt_issued_time <= 60000)
+ atomic64_inc(&abts_stats->abort_issued_btw_50_to_60_sec);
+ else
+ atomic64_inc(&abts_stats->abort_issued_greater_than_60_sec);
+
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
+ "CBD Opcode: %02x Abort issued time: %lu msec\n", sc->cmnd[0], abt_issued_time);
/*
* Command is still pending, need to abort it
* If the firmware completes the command after this point,
@@ -1970,6 +2010,11 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
/* Call SCSI completion function to complete the IO */
sc->result = (DID_ABORT << 16);
sc->scsi_done(sc);
+ atomic64_dec(&fnic_stats->io_stats.active_ios);
+ if (atomic64_read(&fnic->io_cmpl_skip))
+ atomic64_dec(&fnic->io_cmpl_skip);
+ else
+ atomic64_inc(&fnic_stats->io_stats.io_completions);
}
fnic_abort_cmd_end:
diff --git a/drivers/scsi/fnic/fnic_stats.h b/drivers/scsi/fnic/fnic_stats.h
index 540cceb843cd..88c73cccb015 100644
--- a/drivers/scsi/fnic/fnic_stats.h
+++ b/drivers/scsi/fnic/fnic_stats.h
@@ -26,6 +26,14 @@ struct io_path_stats {
atomic64_t sc_null;
atomic64_t io_not_found;
atomic64_t num_ios;
+ atomic64_t io_btw_0_to_10_msec;
+ atomic64_t io_btw_10_to_100_msec;
+ atomic64_t io_btw_100_to_500_msec;
+ atomic64_t io_btw_500_to_5000_msec;
+ atomic64_t io_btw_5000_to_10000_msec;
+ atomic64_t io_btw_10000_to_30000_msec;
+ atomic64_t io_greater_than_30000_msec;
+ atomic64_t current_max_io_time;
};
struct abort_stats {
@@ -34,6 +42,13 @@ struct abort_stats {
atomic64_t abort_drv_timeouts;
atomic64_t abort_fw_timeouts;
atomic64_t abort_io_not_found;
+ atomic64_t abort_issued_btw_0_to_6_sec;
+ atomic64_t abort_issued_btw_6_to_20_sec;
+ atomic64_t abort_issued_btw_20_to_30_sec;
+ atomic64_t abort_issued_btw_30_to_40_sec;
+ atomic64_t abort_issued_btw_40_to_50_sec;
+ atomic64_t abort_issued_btw_50_to_60_sec;
+ atomic64_t abort_issued_greater_than_60_sec;
};
struct terminate_stats {
@@ -88,6 +103,7 @@ struct misc_stats {
atomic64_t devrst_cpwq_alloc_failures;
atomic64_t io_cpwq_alloc_failures;
atomic64_t no_icmnd_itmf_cmpls;
+ atomic64_t check_condition;
atomic64_t queue_fulls;
atomic64_t rport_not_ready;
atomic64_t frame_errors;
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c
index 5a5fa01576b7..b5ac5381a0d7 100644
--- a/drivers/scsi/fnic/fnic_trace.c
+++ b/drivers/scsi/fnic/fnic_trace.c
@@ -229,7 +229,16 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
"Number of IO Failures: %lld\nNumber of IO NOT Found: %lld\n"
"Number of Memory alloc Failures: %lld\n"
"Number of IOREQ Null: %lld\n"
- "Number of SCSI cmd pointer Null: %lld\n",
+ "Number of SCSI cmd pointer Null: %lld\n"
+
+ "\nIO completion times: \n"
+ " < 10 ms : %lld\n"
+ " 10 ms - 100 ms : %lld\n"
+ " 100 ms - 500 ms : %lld\n"
+ " 500 ms - 5 sec: %lld\n"
+ " 5 sec - 10 sec: %lld\n"
+ " 10 sec - 30 sec: %lld\n"
+ " > 30 sec: %lld\n",
(u64)atomic64_read(&stats->io_stats.active_ios),
(u64)atomic64_read(&stats->io_stats.max_active_ios),
(u64)atomic64_read(&stats->io_stats.num_ios),
@@ -238,28 +247,58 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
(u64)atomic64_read(&stats->io_stats.io_not_found),
(u64)atomic64_read(&stats->io_stats.alloc_failures),
(u64)atomic64_read(&stats->io_stats.ioreq_null),
- (u64)atomic64_read(&stats->io_stats.sc_null));
+ (u64)atomic64_read(&stats->io_stats.sc_null),
+ (u64)atomic64_read(&stats->io_stats.io_btw_0_to_10_msec),
+ (u64)atomic64_read(&stats->io_stats.io_btw_10_to_100_msec),
+ (u64)atomic64_read(&stats->io_stats.io_btw_100_to_500_msec),
+ (u64)atomic64_read(&stats->io_stats.io_btw_500_to_5000_msec),
+ (u64)atomic64_read(&stats->io_stats.io_btw_5000_to_10000_msec),
+ (u64)atomic64_read(&stats->io_stats.io_btw_10000_to_30000_msec),
+ (u64)atomic64_read(&stats->io_stats.io_greater_than_30000_msec));
+
+ len += snprintf(debug->debug_buffer + len, buf_size - len,
+ "\nCurrent Max IO time : %lld\n",
+ (u64)atomic64_read(&stats->io_stats.current_max_io_time));
len += snprintf(debug->debug_buffer + len, buf_size - len,
"\n------------------------------------------\n"
"\t\tAbort Statistics\n"
"------------------------------------------\n");
+
len += snprintf(debug->debug_buffer + len, buf_size - len,
"Number of Aborts: %lld\n"
"Number of Abort Failures: %lld\n"
"Number of Abort Driver Timeouts: %lld\n"
"Number of Abort FW Timeouts: %lld\n"
- "Number of Abort IO NOT Found: %lld\n",
+ "Number of Abort IO NOT Found: %lld\n"
+
+ "Abord issued times: \n"
+ " < 6 sec : %lld\n"
+ " 6 sec - 20 sec : %lld\n"
+ " 20 sec - 30 sec : %lld\n"
+ " 30 sec - 40 sec : %lld\n"
+ " 40 sec - 50 sec : %lld\n"
+ " 50 sec - 60 sec : %lld\n"
+ " > 60 sec: %lld\n",
+
(u64)atomic64_read(&stats->abts_stats.aborts),
(u64)atomic64_read(&stats->abts_stats.abort_failures),
(u64)atomic64_read(&stats->abts_stats.abort_drv_timeouts),
(u64)atomic64_read(&stats->abts_stats.abort_fw_timeouts),
- (u64)atomic64_read(&stats->abts_stats.abort_io_not_found));
+ (u64)atomic64_read(&stats->abts_stats.abort_io_not_found),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_btw_0_to_6_sec),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_btw_6_to_20_sec),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_btw_20_to_30_sec),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_btw_30_to_40_sec),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_btw_40_to_50_sec),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_btw_50_to_60_sec),
+ (u64)atomic64_read(&stats->abts_stats.abort_issued_greater_than_60_sec));
len += snprintf(debug->debug_buffer + len, buf_size - len,
"\n------------------------------------------\n"
"\t\tTerminate Statistics\n"
"------------------------------------------\n");
+
len += snprintf(debug->debug_buffer + len, buf_size - len,
"Number of Terminates: %lld\n"
"Maximum Terminates: %lld\n"
@@ -357,6 +396,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
"Number of Copy WQ Alloc Failures for Device Reset: %lld\n"
"Number of Copy WQ Alloc Failures for IOs: %lld\n"
"Number of no icmnd itmf Completions: %lld\n"
+ "Number of Check Conditions encountered: %lld\n"
"Number of QUEUE Fulls: %lld\n"
"Number of rport not ready: %lld\n"
"Number of receive frame errors: %lld\n",
@@ -377,6 +417,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
&stats->misc_stats.devrst_cpwq_alloc_failures),
(u64)atomic64_read(&stats->misc_stats.io_cpwq_alloc_failures),
(u64)atomic64_read(&stats->misc_stats.no_icmnd_itmf_cmpls),
+ (u64)atomic64_read(&stats->misc_stats.check_condition),
(u64)atomic64_read(&stats->misc_stats.queue_fulls),
(u64)atomic64_read(&stats->misc_stats.rport_not_ready),
(u64)atomic64_read(&stats->misc_stats.frame_errors));
diff --git a/drivers/scsi/hisi_sas/Kconfig b/drivers/scsi/hisi_sas/Kconfig
index d1dd1616f983..374a329b91fc 100644
--- a/drivers/scsi/hisi_sas/Kconfig
+++ b/drivers/scsi/hisi_sas/Kconfig
@@ -4,5 +4,6 @@ config SCSI_HISI_SAS
depends on ARM64 || COMPILE_TEST
select SCSI_SAS_LIBSAS
select BLK_DEV_INTEGRITY
+ depends on ATA
help
This driver supports HiSilicon's SAS HBA
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 9216deaa3ff5..4e28f32e90b0 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -31,6 +31,7 @@
#define HISI_SAS_QUEUE_SLOTS 512
#define HISI_SAS_MAX_ITCT_ENTRIES 2048
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
+#define HISI_SAS_RESET_BIT 0
#define HISI_SAS_STATUS_BUF_SZ \
(sizeof(struct hisi_sas_err_record) + 1024)
@@ -90,7 +91,6 @@ struct hisi_sas_port {
struct asd_sas_port sas_port;
u8 port_attached;
u8 id; /* from hw */
- struct list_head list;
};
struct hisi_sas_cq {
@@ -113,7 +113,9 @@ struct hisi_sas_device {
u64 attached_phy;
u64 device_id;
atomic64_t running_req;
+ struct list_head list;
u8 dev_status;
+ int sata_idx;
};
struct hisi_sas_slot {
@@ -136,6 +138,7 @@ struct hisi_sas_slot {
struct hisi_sas_sge_page *sge_page;
dma_addr_t sge_page_dma;
struct work_struct abort_slot;
+ struct timer_list internal_abort_timer;
};
struct hisi_sas_tmf_task {
@@ -165,7 +168,8 @@ struct hisi_sas_hw {
struct hisi_sas_slot *slot,
int device_id, int abort_flag, int tag_to_abort);
int (*slot_complete)(struct hisi_hba *hisi_hba,
- struct hisi_sas_slot *slot, int abort);
+ struct hisi_sas_slot *slot);
+ void (*phys_init)(struct hisi_hba *hisi_hba);
void (*phy_enable)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no);
@@ -175,6 +179,7 @@ struct hisi_sas_hw {
void (*free_device)(struct hisi_hba *hisi_hba,
struct hisi_sas_device *dev);
int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id);
+ int (*soft_reset)(struct hisi_hba *hisi_hba);
int max_command_entries;
int complete_hdr_size;
};
@@ -193,7 +198,6 @@ struct hisi_hba {
u8 sas_addr[SAS_ADDR_SIZE];
int n_phy;
- int scan_finished;
spinlock_t lock;
struct timer_list timer;
@@ -201,6 +205,7 @@ struct hisi_hba {
int slot_index_count;
unsigned long *slot_index_tags;
+ unsigned long reject_stp_links_msk;
/* SCSI/SAS glue */
struct sas_ha_struct sha;
@@ -233,7 +238,10 @@ struct hisi_hba {
struct hisi_sas_breakpoint *sata_breakpoint;
dma_addr_t sata_breakpoint_dma;
struct hisi_sas_slot *slot_info;
+ unsigned long flags;
const struct hisi_sas_hw *hw; /* Low level hw interface */
+ unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)];
+ struct work_struct rst_work;
};
/* Generic HW DMA host memory structures */
@@ -346,6 +354,8 @@ union hisi_sas_command_table {
struct hisi_sas_command_table_smp smp;
struct hisi_sas_command_table_stp stp;
};
+
+extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
extern int hisi_sas_probe(struct platform_device *pdev,
const struct hisi_sas_hw *ops);
extern int hisi_sas_remove(struct platform_device *pdev);
@@ -354,4 +364,7 @@ extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy);
extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
struct sas_task *task,
struct hisi_sas_slot *slot);
+extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
+extern void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
+ u32 state);
#endif
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 53637a941b94..d622db502ec9 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -21,12 +21,19 @@ static int
hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
struct domain_device *device,
int abort_flag, int tag);
+static int hisi_sas_softreset_ata_disk(struct domain_device *device);
static struct hisi_hba *dev_to_hisi_hba(struct domain_device *device)
{
return device->port->ha->lldd_ha;
}
+struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port)
+{
+ return container_of(sas_port, struct hisi_sas_port, sas_port);
+}
+EXPORT_SYMBOL_GPL(to_hisi_sas_port);
+
static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx)
{
void *bitmap = hisi_hba->slot_index_tags;
@@ -70,17 +77,22 @@ static void hisi_sas_slot_index_init(struct hisi_hba *hisi_hba)
void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
struct hisi_sas_slot *slot)
{
- struct device *dev = &hisi_hba->pdev->dev;
- struct domain_device *device = task->dev;
- struct hisi_sas_device *sas_dev = device->lldd_dev;
- if (!slot->task)
- return;
+ if (task) {
+ struct device *dev = &hisi_hba->pdev->dev;
+ struct domain_device *device = task->dev;
+ struct hisi_sas_device *sas_dev = device->lldd_dev;
- if (!sas_protocol_ata(task->task_proto))
- if (slot->n_elem)
- dma_unmap_sg(dev, task->scatter, slot->n_elem,
- task->data_dir);
+ if (!sas_protocol_ata(task->task_proto))
+ if (slot->n_elem)
+ dma_unmap_sg(dev, task->scatter, slot->n_elem,
+ task->data_dir);
+
+ task->lldd_task = NULL;
+
+ if (sas_dev)
+ atomic64_dec(&sas_dev->running_req);
+ }
if (slot->command_table)
dma_pool_free(hisi_hba->command_table_pool,
@@ -95,12 +107,10 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
slot->sge_page_dma);
list_del_init(&slot->entry);
- task->lldd_task = NULL;
slot->task = NULL;
slot->port = NULL;
hisi_sas_slot_index_free(hisi_hba, slot->idx);
- if (sas_dev)
- atomic64_dec(&sas_dev->running_req);
+
/* slot memory is fully zeroed when it is reused */
}
EXPORT_SYMBOL_GPL(hisi_sas_slot_task_free);
@@ -178,10 +188,12 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
struct hisi_sas_port *port;
struct hisi_sas_slot *slot;
struct hisi_sas_cmd_hdr *cmd_hdr_base;
+ struct asd_sas_port *sas_port = device->port;
struct device *dev = &hisi_hba->pdev->dev;
int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx;
+ unsigned long flags;
- if (!device->port) {
+ if (!sas_port) {
struct task_status_struct *ts = &task->task_status;
ts->resp = SAS_TASK_UNDELIVERED;
@@ -192,7 +204,7 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
*/
if (device->dev_type != SAS_SATA_DEV)
task->task_done(task);
- return 0;
+ return SAS_PHY_DOWN;
}
if (DEV_IS_GONE(sas_dev)) {
@@ -203,13 +215,13 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
dev_info(dev, "task prep: device %016llx not ready\n",
SAS_ADDR(device->sas_addr));
- rc = SAS_PHY_DOWN;
- return rc;
+ return SAS_PHY_DOWN;
}
- port = device->port->lldd_port;
+
+ port = to_hisi_sas_port(sas_port);
if (port && !port->port_attached) {
dev_info(dev, "task prep: %s port%d not attach device\n",
- (sas_protocol_ata(task->task_proto)) ?
+ (dev_is_sata(device)) ?
"SATA/STP" : "SAS",
device->port->id);
@@ -299,10 +311,10 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
goto err_out_command_table;
}
- list_add_tail(&slot->entry, &port->list);
- spin_lock(&task->task_state_lock);
+ list_add_tail(&slot->entry, &sas_dev->list);
+ spin_lock_irqsave(&task->task_state_lock, flags);
task->task_state_flags |= SAS_TASK_AT_INITIATOR;
- spin_unlock(&task->task_state_lock);
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
hisi_hba->slot_prep = slot;
@@ -343,6 +355,9 @@ static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags,
struct hisi_hba *hisi_hba = dev_to_hisi_hba(task->dev);
struct device *dev = &hisi_hba->pdev->dev;
+ if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)))
+ return -EINVAL;
+
/* protect task_prep and start_delivery sequence */
spin_lock_irqsave(&hisi_hba->lock, flags);
rc = hisi_sas_task_prep(task, hisi_hba, is_tmf, tmf, &pass);
@@ -412,6 +427,7 @@ static struct hisi_sas_device *hisi_sas_alloc_dev(struct domain_device *device)
sas_dev->dev_type = device->dev_type;
sas_dev->hisi_hba = hisi_hba;
sas_dev->sas_device = device;
+ INIT_LIST_HEAD(&hisi_hba->devices[i].list);
break;
}
}
@@ -482,12 +498,8 @@ static int hisi_sas_slave_configure(struct scsi_device *sdev)
static void hisi_sas_scan_start(struct Scsi_Host *shost)
{
struct hisi_hba *hisi_hba = shost_priv(shost);
- int i;
-
- for (i = 0; i < hisi_hba->n_phy; ++i)
- hisi_sas_bytes_dmaed(hisi_hba, i);
- hisi_hba->scan_finished = 1;
+ hisi_hba->hw->phys_init(hisi_hba);
}
static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
@@ -495,7 +507,8 @@ static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
struct hisi_hba *hisi_hba = shost_priv(shost);
struct sas_ha_struct *sha = &hisi_hba->sha;
- if (hisi_hba->scan_finished == 0)
+ /* Wait for PHY up interrupt to occur */
+ if (time < HZ)
return 0;
sas_drain_work(sha);
@@ -545,7 +558,7 @@ static void hisi_sas_port_notify_formed(struct asd_sas_phy *sas_phy)
struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
struct hisi_sas_phy *phy = sas_phy->lldd_phy;
struct asd_sas_port *sas_port = sas_phy->port;
- struct hisi_sas_port *port = &hisi_hba->port[phy->port_id];
+ struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
unsigned long flags;
if (!sas_port)
@@ -559,50 +572,54 @@ static void hisi_sas_port_notify_formed(struct asd_sas_phy *sas_phy)
spin_unlock_irqrestore(&hisi_hba->lock, flags);
}
-static void hisi_sas_do_release_task(struct hisi_hba *hisi_hba, int phy_no,
- struct domain_device *device)
+static void hisi_sas_do_release_task(struct hisi_hba *hisi_hba, struct sas_task *task,
+ struct hisi_sas_slot *slot)
{
- struct hisi_sas_phy *phy;
- struct hisi_sas_port *port;
- struct hisi_sas_slot *slot, *slot2;
- struct device *dev = &hisi_hba->pdev->dev;
-
- phy = &hisi_hba->phy[phy_no];
- port = phy->port;
- if (!port)
- return;
+ if (task) {
+ unsigned long flags;
+ struct task_status_struct *ts;
+
+ ts = &task->task_status;
+
+ ts->resp = SAS_TASK_COMPLETE;
+ ts->stat = SAS_ABORTED_TASK;
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ task->task_state_flags &=
+ ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
+ task->task_state_flags |= SAS_TASK_STATE_DONE;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+ }
- list_for_each_entry_safe(slot, slot2, &port->list, entry) {
- struct sas_task *task;
+ hisi_sas_slot_task_free(hisi_hba, task, slot);
+}
- task = slot->task;
- if (device && task->dev != device)
- continue;
+/* hisi_hba.lock should be locked */
+static void hisi_sas_release_task(struct hisi_hba *hisi_hba,
+ struct domain_device *device)
+{
+ struct hisi_sas_slot *slot, *slot2;
+ struct hisi_sas_device *sas_dev = device->lldd_dev;
- dev_info(dev, "Release slot [%d:%d], task [%p]:\n",
- slot->dlvry_queue, slot->dlvry_queue_slot, task);
- hisi_hba->hw->slot_complete(hisi_hba, slot, 1);
- }
+ list_for_each_entry_safe(slot, slot2, &sas_dev->list, entry)
+ hisi_sas_do_release_task(hisi_hba, slot->task, slot);
}
-static void hisi_sas_port_notify_deformed(struct asd_sas_phy *sas_phy)
+static void hisi_sas_release_tasks(struct hisi_hba *hisi_hba)
{
+ struct hisi_sas_device *sas_dev;
struct domain_device *device;
- struct hisi_sas_phy *phy = sas_phy->lldd_phy;
- struct asd_sas_port *sas_port = sas_phy->port;
+ int i;
- list_for_each_entry(device, &sas_port->dev_list, dev_list_node)
- hisi_sas_do_release_task(phy->hisi_hba, sas_phy->id, device);
-}
+ for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+ sas_dev = &hisi_hba->devices[i];
+ device = sas_dev->sas_device;
-static void hisi_sas_release_task(struct hisi_hba *hisi_hba,
- struct domain_device *device)
-{
- struct asd_sas_port *port = device->port;
- struct asd_sas_phy *sas_phy;
+ if ((sas_dev->dev_type == SAS_PHY_UNUSED) ||
+ !device)
+ continue;
- list_for_each_entry(sas_phy, &port->phy_list, port_phy_el)
- hisi_sas_do_release_task(hisi_hba, sas_phy->id, device);
+ hisi_sas_release_task(hisi_hba, device);
+ }
}
static void hisi_sas_dev_gone(struct domain_device *device)
@@ -644,8 +661,9 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
break;
case PHY_FUNC_LINK_RESET:
+ hisi_hba->hw->phy_disable(hisi_hba, phy_no);
+ msleep(100);
hisi_hba->hw->phy_enable(hisi_hba, phy_no);
- hisi_hba->hw->phy_hard_reset(hisi_hba, phy_no);
break;
case PHY_FUNC_DISABLE:
@@ -698,7 +716,12 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device,
task->dev = device;
task->task_proto = device->tproto;
- memcpy(&task->ssp_task, parameter, para_len);
+ if (dev_is_sata(device)) {
+ task->ata_task.device_control_reg_update = 1;
+ memcpy(&task->ata_task.fis, parameter, para_len);
+ } else {
+ memcpy(&task->ssp_task, parameter, para_len);
+ }
task->task_done = hisi_sas_task_done;
task->slow_task->timer.data = (unsigned long) task;
@@ -720,15 +743,11 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device,
/* Even TMF timed out, return direct. */
if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
- dev_err(dev, "abort tmf: TMF task[%d] timeout\n",
- tmf->tag_of_task_to_be_managed);
- if (task->lldd_task) {
- struct hisi_sas_slot *slot =
- task->lldd_task;
+ struct hisi_sas_slot *slot = task->lldd_task;
- hisi_sas_slot_task_free(hisi_hba,
- task, slot);
- }
+ dev_err(dev, "abort tmf: TMF task timeout\n");
+ if (slot)
+ slot->task = NULL;
goto ex_err;
}
@@ -781,6 +800,63 @@ ex_err:
return res;
}
+static void hisi_sas_fill_ata_reset_cmd(struct ata_device *dev,
+ bool reset, int pmp, u8 *fis)
+{
+ struct ata_taskfile tf;
+
+ ata_tf_init(dev, &tf);
+ if (reset)
+ tf.ctl |= ATA_SRST;
+ else
+ tf.ctl &= ~ATA_SRST;
+ tf.command = ATA_CMD_DEV_RESET;
+ ata_tf_to_fis(&tf, pmp, 0, fis);
+}
+
+static int hisi_sas_softreset_ata_disk(struct domain_device *device)
+{
+ u8 fis[20] = {0};
+ struct ata_port *ap = device->sata_dev.ap;
+ struct ata_link *link;
+ int rc = TMF_RESP_FUNC_FAILED;
+ struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+ struct device *dev = &hisi_hba->pdev->dev;
+ int s = sizeof(struct host_to_dev_fis);
+ unsigned long flags;
+
+ ata_for_each_link(link, ap, EDGE) {
+ int pmp = sata_srst_pmp(link);
+
+ hisi_sas_fill_ata_reset_cmd(link->device, 1, pmp, fis);
+ rc = hisi_sas_exec_internal_tmf_task(device, fis, s, NULL);
+ if (rc != TMF_RESP_FUNC_COMPLETE)
+ break;
+ }
+
+ if (rc == TMF_RESP_FUNC_COMPLETE) {
+ ata_for_each_link(link, ap, EDGE) {
+ int pmp = sata_srst_pmp(link);
+
+ hisi_sas_fill_ata_reset_cmd(link->device, 0, pmp, fis);
+ rc = hisi_sas_exec_internal_tmf_task(device, fis,
+ s, NULL);
+ if (rc != TMF_RESP_FUNC_COMPLETE)
+ dev_err(dev, "ata disk de-reset failed\n");
+ }
+ } else {
+ dev_err(dev, "ata disk reset failed\n");
+ }
+
+ if (rc == TMF_RESP_FUNC_COMPLETE) {
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_task(hisi_hba, device);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ }
+
+ return rc;
+}
+
static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device,
u8 *lun, struct hisi_sas_tmf_task *tmf)
{
@@ -795,6 +871,40 @@ static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device,
sizeof(ssp_task), tmf);
}
+static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba)
+{
+ int rc;
+
+ if (!hisi_hba->hw->soft_reset)
+ return -1;
+
+ if (!test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) {
+ struct device *dev = &hisi_hba->pdev->dev;
+ struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+ unsigned long flags;
+
+ dev_dbg(dev, "controller reset begins!\n");
+ scsi_block_requests(hisi_hba->shost);
+ rc = hisi_hba->hw->soft_reset(hisi_hba);
+ if (rc) {
+ dev_warn(dev, "controller reset failed (%d)\n", rc);
+ goto out;
+ }
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_tasks(hisi_hba);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+
+ sas_ha->notify_ha_event(sas_ha, HAE_RESET);
+ dev_dbg(dev, "controller reset successful!\n");
+ } else
+ return -1;
+
+out:
+ scsi_unblock_requests(hisi_hba->shost);
+ clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags);
+ return rc;
+}
+
static int hisi_sas_abort_task(struct sas_task *task)
{
struct scsi_lun lun;
@@ -811,19 +921,17 @@ static int hisi_sas_abort_task(struct sas_task *task)
return TMF_RESP_FUNC_FAILED;
}
- spin_lock_irqsave(&task->task_state_lock, flags);
if (task->task_state_flags & SAS_TASK_STATE_DONE) {
- spin_unlock_irqrestore(&task->task_state_lock, flags);
rc = TMF_RESP_FUNC_COMPLETE;
goto out;
}
- spin_unlock_irqrestore(&task->task_state_lock, flags);
sas_dev->dev_status = HISI_SAS_DEV_EH;
if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
struct scsi_cmnd *cmnd = task->uldd_task;
struct hisi_sas_slot *slot = task->lldd_task;
u32 tag = slot->idx;
+ int rc2;
int_to_scsilun(cmnd->device->lun, &lun);
tmf_task.tmf = TMF_ABORT_TASK;
@@ -832,35 +940,41 @@ static int hisi_sas_abort_task(struct sas_task *task)
rc = hisi_sas_debug_issue_ssp_tmf(task->dev, lun.scsi_lun,
&tmf_task);
- /* if successful, clear the task and callback forwards.*/
- if (rc == TMF_RESP_FUNC_COMPLETE) {
+ rc2 = hisi_sas_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_CMD, tag);
+ /*
+ * If the TMF finds that the IO is not in the device and also
+ * the internal abort does not succeed, then it is safe to
+ * free the slot.
+ * Note: if the internal abort succeeds then the slot
+ * will have already been completed
+ */
+ if (rc == TMF_RESP_FUNC_COMPLETE && rc2 != TMF_RESP_FUNC_SUCC) {
if (task->lldd_task) {
- struct hisi_sas_slot *slot;
-
- slot = &hisi_hba->slot_info
- [tmf_task.tag_of_task_to_be_managed];
spin_lock_irqsave(&hisi_hba->lock, flags);
- hisi_hba->hw->slot_complete(hisi_hba, slot, 1);
+ hisi_sas_do_release_task(hisi_hba, task, slot);
spin_unlock_irqrestore(&hisi_hba->lock, flags);
}
}
-
- hisi_sas_internal_task_abort(hisi_hba, device,
- HISI_SAS_INT_ABT_CMD, tag);
} else if (task->task_proto & SAS_PROTOCOL_SATA ||
task->task_proto & SAS_PROTOCOL_STP) {
if (task->dev->dev_type == SAS_SATA_DEV) {
hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_DEV, 0);
- rc = TMF_RESP_FUNC_COMPLETE;
+ rc = hisi_sas_softreset_ata_disk(device);
}
} else if (task->task_proto & SAS_PROTOCOL_SMP) {
/* SMP */
struct hisi_sas_slot *slot = task->lldd_task;
u32 tag = slot->idx;
- hisi_sas_internal_task_abort(hisi_hba, device,
- HISI_SAS_INT_ABT_CMD, tag);
+ rc = hisi_sas_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_CMD, tag);
+ if (rc == TMF_RESP_FUNC_FAILED) {
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_do_release_task(hisi_hba, task, slot);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ }
}
out:
@@ -915,37 +1029,66 @@ static int hisi_sas_I_T_nexus_reset(struct domain_device *device)
rc = hisi_sas_debug_I_T_nexus_reset(device);
- spin_lock_irqsave(&hisi_hba->lock, flags);
- hisi_sas_release_task(hisi_hba, device);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
-
- return 0;
+ if (rc == TMF_RESP_FUNC_COMPLETE) {
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_task(hisi_hba, device);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ }
+ return rc;
}
static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun)
{
- struct hisi_sas_tmf_task tmf_task;
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct device *dev = &hisi_hba->pdev->dev;
unsigned long flags;
int rc = TMF_RESP_FUNC_FAILED;
- tmf_task.tmf = TMF_LU_RESET;
sas_dev->dev_status = HISI_SAS_DEV_EH;
- rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);
- if (rc == TMF_RESP_FUNC_COMPLETE) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
- hisi_sas_release_task(hisi_hba, device);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- }
+ if (dev_is_sata(device)) {
+ struct sas_phy *phy;
+
+ /* Clear internal IO and then hardreset */
+ rc = hisi_sas_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_DEV, 0);
+ if (rc == TMF_RESP_FUNC_FAILED)
+ goto out;
+
+ phy = sas_get_local_phy(device);
- /* If failed, fall-through I_T_Nexus reset */
- dev_err(dev, "lu_reset: for device[%llx]:rc= %d\n",
- sas_dev->device_id, rc);
+ rc = sas_phy_reset(phy, 1);
+
+ if (rc == 0) {
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_task(hisi_hba, device);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ }
+ sas_put_local_phy(phy);
+ } else {
+ struct hisi_sas_tmf_task tmf_task = { .tmf = TMF_LU_RESET };
+
+ rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);
+ if (rc == TMF_RESP_FUNC_COMPLETE) {
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_task(hisi_hba, device);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ }
+ }
+out:
+ if (rc != TMF_RESP_FUNC_COMPLETE)
+ dev_err(dev, "lu_reset: for device[%llx]:rc= %d\n",
+ sas_dev->device_id, rc);
return rc;
}
+static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha)
+{
+ struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+
+ return hisi_sas_controller_reset(hisi_hba);
+}
+
static int hisi_sas_query_task(struct sas_task *task)
{
struct scsi_lun lun;
@@ -990,13 +1133,18 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, u64 device_id,
struct device *dev = &hisi_hba->pdev->dev;
struct hisi_sas_port *port;
struct hisi_sas_slot *slot;
+ struct asd_sas_port *sas_port = device->port;
struct hisi_sas_cmd_hdr *cmd_hdr_base;
int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx;
+ unsigned long flags;
+
+ if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)))
+ return -EINVAL;
if (!device->port)
return -1;
- port = device->port->lldd_port;
+ port = to_hisi_sas_port(sas_port);
/* simply get a slot and send abort command */
rc = hisi_sas_slot_index_alloc(hisi_hba, &slot_idx);
@@ -1027,14 +1175,11 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, u64 device_id,
if (rc)
goto err_out_tag;
- /* Port structure is static for the HBA, so
- * even if the port is deformed it is ok
- * to reference.
- */
- list_add_tail(&slot->entry, &port->list);
- spin_lock(&task->task_state_lock);
+
+ list_add_tail(&slot->entry, &sas_dev->list);
+ spin_lock_irqsave(&task->task_state_lock, flags);
task->task_state_flags |= SAS_TASK_AT_INITIATOR;
- spin_unlock(&task->task_state_lock);
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
hisi_hba->slot_prep = slot;
@@ -1085,7 +1230,7 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
task->task_done = hisi_sas_task_done;
task->slow_task->timer.data = (unsigned long)task;
task->slow_task->timer.function = hisi_sas_tmf_timedout;
- task->slow_task->timer.expires = jiffies + 20*HZ;
+ task->slow_task->timer.expires = jiffies + msecs_to_jiffies(110);
add_timer(&task->slow_task->timer);
/* Lock as we are alloc'ing a slot, which cannot be interrupted */
@@ -1108,15 +1253,16 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
goto exit;
}
- /* TMF timed out, return direct. */
+ if (task->task_status.resp == SAS_TASK_COMPLETE &&
+ task->task_status.stat == TMF_RESP_FUNC_SUCC) {
+ res = TMF_RESP_FUNC_SUCC;
+ goto exit;
+ }
+
+ /* Internal abort timed out */
if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
dev_err(dev, "internal task abort: timeout.\n");
- if (task->lldd_task) {
- struct hisi_sas_slot *slot = task->lldd_task;
-
- hisi_sas_slot_task_free(hisi_hba, task, slot);
- }
}
}
@@ -1137,11 +1283,6 @@ static void hisi_sas_port_formed(struct asd_sas_phy *sas_phy)
hisi_sas_port_notify_formed(sas_phy);
}
-static void hisi_sas_port_deformed(struct asd_sas_phy *sas_phy)
-{
- hisi_sas_port_notify_deformed(sas_phy);
-}
-
static void hisi_sas_phy_disconnected(struct hisi_sas_phy *phy)
{
phy->phy_attached = 0;
@@ -1181,6 +1322,37 @@ void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy)
}
EXPORT_SYMBOL_GPL(hisi_sas_phy_down);
+void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
+ u32 state)
+{
+ struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+ int phy_no;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ struct asd_sas_port *sas_port = sas_phy->port;
+ struct domain_device *dev;
+
+ if (sas_phy->enabled) {
+ /* Report PHY state change to libsas */
+ if (state & (1 << phy_no))
+ continue;
+
+ if (old_state & (1 << phy_no))
+ /* PHY down but was up before */
+ hisi_sas_phy_down(hisi_hba, phy_no, 0);
+ }
+ if (!sas_port)
+ continue;
+ dev = sas_port->port_dev;
+
+ if (DEV_IS_EXPANDER(dev->dev_type))
+ sas_ha->notify_phy_event(sas_phy, PORTE_BROADCAST_RCVD);
+ }
+}
+EXPORT_SYMBOL_GPL(hisi_sas_rescan_topology);
+
static struct scsi_transport_template *hisi_sas_stt;
static struct scsi_host_template hisi_sas_sht = {
@@ -1215,10 +1387,41 @@ static struct sas_domain_function_template hisi_sas_transport_ops = {
.lldd_I_T_nexus_reset = hisi_sas_I_T_nexus_reset,
.lldd_lu_reset = hisi_sas_lu_reset,
.lldd_query_task = hisi_sas_query_task,
+ .lldd_clear_nexus_ha = hisi_sas_clear_nexus_ha,
.lldd_port_formed = hisi_sas_port_formed,
- .lldd_port_deformed = hisi_sas_port_deformed,
};
+void hisi_sas_init_mem(struct hisi_hba *hisi_hba)
+{
+ int i, s, max_command_entries = hisi_hba->hw->max_command_entries;
+
+ for (i = 0; i < hisi_hba->queue_count; i++) {
+ struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+ struct hisi_sas_dq *dq = &hisi_hba->dq[i];
+
+ s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;
+ memset(hisi_hba->cmd_hdr[i], 0, s);
+ dq->wr_point = 0;
+
+ s = hisi_hba->hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
+ memset(hisi_hba->complete_hdr[i], 0, s);
+ cq->rd_point = 0;
+ }
+
+ s = sizeof(struct hisi_sas_initial_fis) * hisi_hba->n_phy;
+ memset(hisi_hba->initial_fis, 0, s);
+
+ s = max_command_entries * sizeof(struct hisi_sas_iost);
+ memset(hisi_hba->iost, 0, s);
+
+ s = max_command_entries * sizeof(struct hisi_sas_breakpoint);
+ memset(hisi_hba->breakpoint, 0, s);
+
+ s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2;
+ memset(hisi_hba->sata_breakpoint, 0, s);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_init_mem);
+
static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
{
struct platform_device *pdev = hisi_hba->pdev;
@@ -1230,7 +1433,6 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
hisi_sas_phy_init(hisi_hba, i);
hisi_hba->port[i].port_attached = 0;
hisi_hba->port[i].id = -1;
- INIT_LIST_HEAD(&hisi_hba->port[i].list);
}
for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
@@ -1257,7 +1459,6 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
&hisi_hba->cmd_hdr_dma[i], GFP_KERNEL);
if (!hisi_hba->cmd_hdr[i])
goto err_out;
- memset(hisi_hba->cmd_hdr[i], 0, s);
/* Completion queue */
s = hisi_hba->hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
@@ -1265,7 +1466,6 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
&hisi_hba->complete_hdr_dma[i], GFP_KERNEL);
if (!hisi_hba->complete_hdr[i])
goto err_out;
- memset(hisi_hba->complete_hdr[i], 0, s);
}
s = HISI_SAS_STATUS_BUF_SZ;
@@ -1300,16 +1500,12 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
if (!hisi_hba->iost)
goto err_out;
- memset(hisi_hba->iost, 0, s);
-
s = max_command_entries * sizeof(struct hisi_sas_breakpoint);
hisi_hba->breakpoint = dma_alloc_coherent(dev, s,
&hisi_hba->breakpoint_dma, GFP_KERNEL);
if (!hisi_hba->breakpoint)
goto err_out;
- memset(hisi_hba->breakpoint, 0, s);
-
hisi_hba->slot_index_count = max_command_entries;
s = hisi_hba->slot_index_count / BITS_PER_BYTE;
hisi_hba->slot_index_tags = devm_kzalloc(dev, s, GFP_KERNEL);
@@ -1326,14 +1522,13 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
&hisi_hba->initial_fis_dma, GFP_KERNEL);
if (!hisi_hba->initial_fis)
goto err_out;
- memset(hisi_hba->initial_fis, 0, s);
s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2;
hisi_hba->sata_breakpoint = dma_alloc_coherent(dev, s,
&hisi_hba->sata_breakpoint_dma, GFP_KERNEL);
if (!hisi_hba->sata_breakpoint)
goto err_out;
- memset(hisi_hba->sata_breakpoint, 0, s);
+ hisi_sas_init_mem(hisi_hba);
hisi_sas_slot_index_init(hisi_hba);
@@ -1404,6 +1599,14 @@ static void hisi_sas_free(struct hisi_hba *hisi_hba)
destroy_workqueue(hisi_hba->wq);
}
+static void hisi_sas_rst_work_handler(struct work_struct *work)
+{
+ struct hisi_hba *hisi_hba =
+ container_of(work, struct hisi_hba, rst_work);
+
+ hisi_sas_controller_reset(hisi_hba);
+}
+
static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
const struct hisi_sas_hw *hw)
{
@@ -1421,6 +1624,7 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
}
hisi_hba = shost_priv(shost);
+ INIT_WORK(&hisi_hba->rst_work, hisi_sas_rst_work_handler);
hisi_hba->hw = hw;
hisi_hba->pdev = pdev;
hisi_hba->shost = shost;
@@ -1583,7 +1787,6 @@ int hisi_sas_remove(struct platform_device *pdev)
struct hisi_hba *hisi_hba = sha->lldd_ha;
struct Scsi_Host *shost = sha->core.shost;
- scsi_remove_host(sha->core.shost);
sas_unregister_ha(sha);
sas_remove_host(sha->core.shost);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 854fbeaade3e..fc1c1b2c1a19 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -508,6 +508,8 @@ static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
struct device *dev = &hisi_hba->pdev->dev;
u64 qw0, device_id = sas_dev->device_id;
struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
+ struct asd_sas_port *sas_port = device->port;
+ struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
memset(itct, 0, sizeof(*itct));
@@ -528,7 +530,7 @@ static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
(1 << ITCT_HDR_AWT_CONTROL_OFF) |
(device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) |
(1 << ITCT_HDR_VALID_LINK_NUM_OFF) |
- (device->port->id << ITCT_HDR_PORT_ID_OFF));
+ (port->id << ITCT_HDR_PORT_ID_OFF));
itct->qw0 = cpu_to_le64(qw0);
/* qw1 */
@@ -1275,7 +1277,7 @@ static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
}
static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
- struct hisi_sas_slot *slot, int abort)
+ struct hisi_sas_slot *slot)
{
struct sas_task *task = slot->task;
struct hisi_sas_device *sas_dev;
@@ -1286,6 +1288,7 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_complete_v1_hdr *complete_queue =
hisi_hba->complete_hdr[slot->cmplt_queue];
struct hisi_sas_complete_v1_hdr *complete_hdr;
+ unsigned long flags;
u32 cmplt_hdr_data;
complete_hdr = &complete_queue[slot->cmplt_queue_slot];
@@ -1298,16 +1301,17 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
device = task->dev;
sas_dev = device->lldd_dev;
+ spin_lock_irqsave(&task->task_state_lock, flags);
task->task_state_flags &=
~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
task->task_state_flags |= SAS_TASK_STATE_DONE;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
memset(ts, 0, sizeof(*ts));
ts->resp = SAS_TASK_COMPLETE;
- if (unlikely(!sas_dev || abort)) {
- if (!sas_dev)
- dev_dbg(dev, "slot complete: port has not device\n");
+ if (unlikely(!sas_dev)) {
+ dev_dbg(dev, "slot complete: port has no device\n");
ts->stat = SAS_PHY_DOWN;
goto out;
}
@@ -1620,7 +1624,7 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
*/
slot->cmplt_queue_slot = rd_point;
slot->cmplt_queue = queue;
- slot_complete_v1_hw(hisi_hba, slot, 0);
+ slot_complete_v1_hw(hisi_hba, slot);
if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
rd_point = 0;
@@ -1845,8 +1849,6 @@ static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
if (rc)
return rc;
- phys_init_v1_hw(hisi_hba);
-
return 0;
}
@@ -1860,6 +1862,7 @@ static const struct hisi_sas_hw hisi_sas_v1_hw = {
.get_free_slot = get_free_slot_v1_hw,
.start_delivery = start_delivery_v1_hw,
.slot_complete = slot_complete_v1_hw,
+ .phys_init = phys_init_v1_hw,
.phy_enable = enable_phy_v1_hw,
.phy_disable = disable_phy_v1_hw,
.phy_hard_reset = phy_hard_reset_v1_hw,
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 1b214450dcb5..e241921bee10 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -194,9 +194,9 @@
#define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
#define SL_CONTROL_CTA_OFF 17
#define SL_CONTROL_CTA_MSK (0x1 << SL_CONTROL_CTA_OFF)
-#define RX_PRIMS_STATUS (PORT_BASE + 0x98)
-#define RX_BCAST_CHG_OFF 1
-#define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF)
+#define RX_PRIMS_STATUS (PORT_BASE + 0x98)
+#define RX_BCAST_CHG_OFF 1
+#define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF)
#define TX_ID_DWORD0 (PORT_BASE + 0x9c)
#define TX_ID_DWORD1 (PORT_BASE + 0xa0)
#define TX_ID_DWORD2 (PORT_BASE + 0xa4)
@@ -207,8 +207,10 @@
#define TXID_AUTO (PORT_BASE + 0xb8)
#define TXID_AUTO_CT3_OFF 1
#define TXID_AUTO_CT3_MSK (0x1 << TXID_AUTO_CT3_OFF)
-#define TX_HARDRST_OFF 2
-#define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF)
+#define TXID_AUTO_CTB_OFF 11
+#define TXID_AUTO_CTB_MSK (0x1 << TXID_AUTO_CTB_OFF)
+#define TX_HARDRST_OFF 2
+#define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF)
#define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
#define RX_IDAF_DWORD1 (PORT_BASE + 0xc8)
#define RX_IDAF_DWORD2 (PORT_BASE + 0xcc)
@@ -218,6 +220,9 @@
#define RX_IDAF_DWORD6 (PORT_BASE + 0xdc)
#define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
#define CON_CONTROL (PORT_BASE + 0x118)
+#define CON_CONTROL_CFG_OPEN_ACC_STP_OFF 0
+#define CON_CONTROL_CFG_OPEN_ACC_STP_MSK \
+ (0x01 << CON_CONTROL_CFG_OPEN_ACC_STP_OFF)
#define DONE_RECEIVED_TIME (PORT_BASE + 0x11c)
#define CHL_INT0 (PORT_BASE + 0x1b4)
#define CHL_INT0_HOTPLUG_TOUT_OFF 0
@@ -240,6 +245,17 @@
#define CHL_INT1_MSK (PORT_BASE + 0x1c4)
#define CHL_INT2_MSK (PORT_BASE + 0x1c8)
#define CHL_INT_COAL_EN (PORT_BASE + 0x1d0)
+#define DMA_TX_DFX0 (PORT_BASE + 0x200)
+#define DMA_TX_DFX1 (PORT_BASE + 0x204)
+#define DMA_TX_DFX1_IPTT_OFF 0
+#define DMA_TX_DFX1_IPTT_MSK (0xffff << DMA_TX_DFX1_IPTT_OFF)
+#define DMA_TX_FIFO_DFX0 (PORT_BASE + 0x240)
+#define PORT_DFX0 (PORT_BASE + 0x258)
+#define LINK_DFX2 (PORT_BASE + 0X264)
+#define LINK_DFX2_RCVR_HOLD_STS_OFF 9
+#define LINK_DFX2_RCVR_HOLD_STS_MSK (0x1 << LINK_DFX2_RCVR_HOLD_STS_OFF)
+#define LINK_DFX2_SEND_HOLD_STS_OFF 10
+#define LINK_DFX2_SEND_HOLD_STS_MSK (0x1 << LINK_DFX2_SEND_HOLD_STS_OFF)
#define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0)
#define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4)
#define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8)
@@ -257,6 +273,10 @@
#define AM_CFG_MAX_TRANS (0x5010)
#define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014)
+#define AXI_MASTER_CFG_BASE (0x5000)
+#define AM_CTRL_GLOBAL (0x0)
+#define AM_CURR_TRANS_RETURN (0x150)
+
/* HW dma structures */
/* Delivery queue header */
/* dw0 */
@@ -309,6 +329,8 @@
/* Completion header */
/* dw0 */
+#define CMPLT_HDR_ERR_PHASE_OFF 2
+#define CMPLT_HDR_ERR_PHASE_MSK (0xff << CMPLT_HDR_ERR_PHASE_OFF)
#define CMPLT_HDR_RSPNS_XFRD_OFF 10
#define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
#define CMPLT_HDR_ERX_OFF 12
@@ -385,10 +407,10 @@ enum {
enum {
TRANS_TX_FAIL_BASE = 0x0, /* dw0 */
- TRANS_RX_FAIL_BASE = 0x100, /* dw1 */
- DMA_TX_ERR_BASE = 0x200, /* dw2 bit 15-0 */
- SIPC_RX_ERR_BASE = 0x300, /* dw2 bit 31-16*/
- DMA_RX_ERR_BASE = 0x400, /* dw3 */
+ TRANS_RX_FAIL_BASE = 0x20, /* dw1 */
+ DMA_TX_ERR_BASE = 0x40, /* dw2 bit 15-0 */
+ SIPC_RX_ERR_BASE = 0x50, /* dw2 bit 31-16*/
+ DMA_RX_ERR_BASE = 0x60, /* dw3 */
/* trans tx*/
TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS = TRANS_TX_FAIL_BASE, /* 0x0 */
@@ -428,100 +450,104 @@ enum {
TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT, /* 0x1f for sata/stp */
/* trans rx */
- TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x100 */
- TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, /* 0x101 for sata/stp */
- TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, /* 0x102 for ssp/smp */
- /*IO_ERR_WITH_RXFIS_8B10B_CODE_ERR, [> 0x102 <] for sata/stp */
- TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR, /* 0x103 for sata/stp */
- TRANS_RX_ERR_WITH_RXFIS_CRC_ERR, /* 0x104 for sata/stp */
- TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN, /* 0x105 for smp */
- /*IO_ERR_WITH_RXFIS_TX SYNCP, [> 0x105 <] for sata/stp */
- TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP, /* 0x106 for sata/stp*/
- TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN, /* 0x107 */
- TRANS_RX_ERR_WITH_BREAK_TIMEOUT, /* 0x108 */
- TRANS_RX_ERR_WITH_BREAK_REQUEST, /* 0x109 */
- TRANS_RX_ERR_WITH_BREAK_RECEVIED, /* 0x10a */
- RESERVED1, /* 0x10b */
- TRANS_RX_ERR_WITH_CLOSE_NORMAL, /* 0x10c */
- TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE, /* 0x10d */
- TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x10e */
- TRANS_RX_ERR_WITH_CLOSE_COMINIT, /* 0x10f */
- TRANS_RX_ERR_WITH_DATA_LEN0, /* 0x110 for ssp/smp */
- TRANS_RX_ERR_WITH_BAD_HASH, /* 0x111 for ssp */
- /*IO_RX_ERR_WITH_FIS_TOO_SHORT, [> 0x111 <] for sata/stp */
- TRANS_RX_XRDY_WLEN_ZERO_ERR, /* 0x112 for ssp*/
- /*IO_RX_ERR_WITH_FIS_TOO_LONG, [> 0x112 <] for sata/stp */
- TRANS_RX_SSP_FRM_LEN_ERR, /* 0x113 for ssp */
- /*IO_RX_ERR_WITH_SATA_DEVICE_LOST, [> 0x113 <] for sata */
- RESERVED2, /* 0x114 */
- RESERVED3, /* 0x115 */
- RESERVED4, /* 0x116 */
- RESERVED5, /* 0x117 */
- TRANS_RX_ERR_WITH_BAD_FRM_TYPE, /* 0x118 */
- TRANS_RX_SMP_FRM_LEN_ERR, /* 0x119 */
- TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x11a */
- RESERVED6, /* 0x11b */
- RESERVED7, /* 0x11c */
- RESERVED8, /* 0x11d */
- RESERVED9, /* 0x11e */
- TRANS_RX_R_ERR, /* 0x11f */
+ TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x20 */
+ TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, /* 0x21 for sata/stp */
+ TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, /* 0x22 for ssp/smp */
+ /*IO_ERR_WITH_RXFIS_8B10B_CODE_ERR, [> 0x22 <] for sata/stp */
+ TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR, /* 0x23 for sata/stp */
+ TRANS_RX_ERR_WITH_RXFIS_CRC_ERR, /* 0x24 for sata/stp */
+ TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN, /* 0x25 for smp */
+ /*IO_ERR_WITH_RXFIS_TX SYNCP, [> 0x25 <] for sata/stp */
+ TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP, /* 0x26 for sata/stp*/
+ TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN, /* 0x27 */
+ TRANS_RX_ERR_WITH_BREAK_TIMEOUT, /* 0x28 */
+ TRANS_RX_ERR_WITH_BREAK_REQUEST, /* 0x29 */
+ TRANS_RX_ERR_WITH_BREAK_RECEVIED, /* 0x2a */
+ RESERVED1, /* 0x2b */
+ TRANS_RX_ERR_WITH_CLOSE_NORMAL, /* 0x2c */
+ TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE, /* 0x2d */
+ TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x2e */
+ TRANS_RX_ERR_WITH_CLOSE_COMINIT, /* 0x2f */
+ TRANS_RX_ERR_WITH_DATA_LEN0, /* 0x30 for ssp/smp */
+ TRANS_RX_ERR_WITH_BAD_HASH, /* 0x31 for ssp */
+ /*IO_RX_ERR_WITH_FIS_TOO_SHORT, [> 0x31 <] for sata/stp */
+ TRANS_RX_XRDY_WLEN_ZERO_ERR, /* 0x32 for ssp*/
+ /*IO_RX_ERR_WITH_FIS_TOO_LONG, [> 0x32 <] for sata/stp */
+ TRANS_RX_SSP_FRM_LEN_ERR, /* 0x33 for ssp */
+ /*IO_RX_ERR_WITH_SATA_DEVICE_LOST, [> 0x33 <] for sata */
+ RESERVED2, /* 0x34 */
+ RESERVED3, /* 0x35 */
+ RESERVED4, /* 0x36 */
+ RESERVED5, /* 0x37 */
+ TRANS_RX_ERR_WITH_BAD_FRM_TYPE, /* 0x38 */
+ TRANS_RX_SMP_FRM_LEN_ERR, /* 0x39 */
+ TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x3a */
+ RESERVED6, /* 0x3b */
+ RESERVED7, /* 0x3c */
+ RESERVED8, /* 0x3d */
+ RESERVED9, /* 0x3e */
+ TRANS_RX_R_ERR, /* 0x3f */
/* dma tx */
- DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x200 */
- DMA_TX_DIF_APP_ERR, /* 0x201 */
- DMA_TX_DIF_RPP_ERR, /* 0x202 */
- DMA_TX_DATA_SGL_OVERFLOW, /* 0x203 */
- DMA_TX_DIF_SGL_OVERFLOW, /* 0x204 */
- DMA_TX_UNEXP_XFER_ERR, /* 0x205 */
- DMA_TX_UNEXP_RETRANS_ERR, /* 0x206 */
- DMA_TX_XFER_LEN_OVERFLOW, /* 0x207 */
- DMA_TX_XFER_OFFSET_ERR, /* 0x208 */
- DMA_TX_RAM_ECC_ERR, /* 0x209 */
- DMA_TX_DIF_LEN_ALIGN_ERR, /* 0x20a */
+ DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x40 */
+ DMA_TX_DIF_APP_ERR, /* 0x41 */
+ DMA_TX_DIF_RPP_ERR, /* 0x42 */
+ DMA_TX_DATA_SGL_OVERFLOW, /* 0x43 */
+ DMA_TX_DIF_SGL_OVERFLOW, /* 0x44 */
+ DMA_TX_UNEXP_XFER_ERR, /* 0x45 */
+ DMA_TX_UNEXP_RETRANS_ERR, /* 0x46 */
+ DMA_TX_XFER_LEN_OVERFLOW, /* 0x47 */
+ DMA_TX_XFER_OFFSET_ERR, /* 0x48 */
+ DMA_TX_RAM_ECC_ERR, /* 0x49 */
+ DMA_TX_DIF_LEN_ALIGN_ERR, /* 0x4a */
+ DMA_TX_MAX_ERR_CODE,
/* sipc rx */
- SIPC_RX_FIS_STATUS_ERR_BIT_VLD = SIPC_RX_ERR_BASE, /* 0x300 */
- SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, /* 0x301 */
- SIPC_RX_FIS_STATUS_BSY_BIT_ERR, /* 0x302 */
- SIPC_RX_WRSETUP_LEN_ODD_ERR, /* 0x303 */
- SIPC_RX_WRSETUP_LEN_ZERO_ERR, /* 0x304 */
- SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR, /* 0x305 */
- SIPC_RX_NCQ_WRSETUP_OFFSET_ERR, /* 0x306 */
- SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR, /* 0x307 */
- SIPC_RX_SATA_UNEXP_FIS_ERR, /* 0x308 */
- SIPC_RX_WRSETUP_ESTATUS_ERR, /* 0x309 */
- SIPC_RX_DATA_UNDERFLOW_ERR, /* 0x30a */
+ SIPC_RX_FIS_STATUS_ERR_BIT_VLD = SIPC_RX_ERR_BASE, /* 0x50 */
+ SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, /* 0x51 */
+ SIPC_RX_FIS_STATUS_BSY_BIT_ERR, /* 0x52 */
+ SIPC_RX_WRSETUP_LEN_ODD_ERR, /* 0x53 */
+ SIPC_RX_WRSETUP_LEN_ZERO_ERR, /* 0x54 */
+ SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR, /* 0x55 */
+ SIPC_RX_NCQ_WRSETUP_OFFSET_ERR, /* 0x56 */
+ SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR, /* 0x57 */
+ SIPC_RX_SATA_UNEXP_FIS_ERR, /* 0x58 */
+ SIPC_RX_WRSETUP_ESTATUS_ERR, /* 0x59 */
+ SIPC_RX_DATA_UNDERFLOW_ERR, /* 0x5a */
+ SIPC_RX_MAX_ERR_CODE,
/* dma rx */
- DMA_RX_DIF_CRC_ERR = DMA_RX_ERR_BASE, /* 0x400 */
- DMA_RX_DIF_APP_ERR, /* 0x401 */
- DMA_RX_DIF_RPP_ERR, /* 0x402 */
- DMA_RX_DATA_SGL_OVERFLOW, /* 0x403 */
- DMA_RX_DIF_SGL_OVERFLOW, /* 0x404 */
- DMA_RX_DATA_LEN_OVERFLOW, /* 0x405 */
- DMA_RX_DATA_LEN_UNDERFLOW, /* 0x406 */
- DMA_RX_DATA_OFFSET_ERR, /* 0x407 */
- RESERVED10, /* 0x408 */
- DMA_RX_SATA_FRAME_TYPE_ERR, /* 0x409 */
- DMA_RX_RESP_BUF_OVERFLOW, /* 0x40a */
- DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x40b */
- DMA_RX_UNEXP_NORM_RESP_ERR, /* 0x40c */
- DMA_RX_UNEXP_RDFRAME_ERR, /* 0x40d */
- DMA_RX_PIO_DATA_LEN_ERR, /* 0x40e */
- DMA_RX_RDSETUP_STATUS_ERR, /* 0x40f */
- DMA_RX_RDSETUP_STATUS_DRQ_ERR, /* 0x410 */
- DMA_RX_RDSETUP_STATUS_BSY_ERR, /* 0x411 */
- DMA_RX_RDSETUP_LEN_ODD_ERR, /* 0x412 */
- DMA_RX_RDSETUP_LEN_ZERO_ERR, /* 0x413 */
- DMA_RX_RDSETUP_LEN_OVER_ERR, /* 0x414 */
- DMA_RX_RDSETUP_OFFSET_ERR, /* 0x415 */
- DMA_RX_RDSETUP_ACTIVE_ERR, /* 0x416 */
- DMA_RX_RDSETUP_ESTATUS_ERR, /* 0x417 */
- DMA_RX_RAM_ECC_ERR, /* 0x418 */
- DMA_RX_UNKNOWN_FRM_ERR, /* 0x419 */
+ DMA_RX_DIF_CRC_ERR = DMA_RX_ERR_BASE, /* 0x60 */
+ DMA_RX_DIF_APP_ERR, /* 0x61 */
+ DMA_RX_DIF_RPP_ERR, /* 0x62 */
+ DMA_RX_DATA_SGL_OVERFLOW, /* 0x63 */
+ DMA_RX_DIF_SGL_OVERFLOW, /* 0x64 */
+ DMA_RX_DATA_LEN_OVERFLOW, /* 0x65 */
+ DMA_RX_DATA_LEN_UNDERFLOW, /* 0x66 */
+ DMA_RX_DATA_OFFSET_ERR, /* 0x67 */
+ RESERVED10, /* 0x68 */
+ DMA_RX_SATA_FRAME_TYPE_ERR, /* 0x69 */
+ DMA_RX_RESP_BUF_OVERFLOW, /* 0x6a */
+ DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x6b */
+ DMA_RX_UNEXP_NORM_RESP_ERR, /* 0x6c */
+ DMA_RX_UNEXP_RDFRAME_ERR, /* 0x6d */
+ DMA_RX_PIO_DATA_LEN_ERR, /* 0x6e */
+ DMA_RX_RDSETUP_STATUS_ERR, /* 0x6f */
+ DMA_RX_RDSETUP_STATUS_DRQ_ERR, /* 0x70 */
+ DMA_RX_RDSETUP_STATUS_BSY_ERR, /* 0x71 */
+ DMA_RX_RDSETUP_LEN_ODD_ERR, /* 0x72 */
+ DMA_RX_RDSETUP_LEN_ZERO_ERR, /* 0x73 */
+ DMA_RX_RDSETUP_LEN_OVER_ERR, /* 0x74 */
+ DMA_RX_RDSETUP_OFFSET_ERR, /* 0x75 */
+ DMA_RX_RDSETUP_ACTIVE_ERR, /* 0x76 */
+ DMA_RX_RDSETUP_ESTATUS_ERR, /* 0x77 */
+ DMA_RX_RAM_ECC_ERR, /* 0x78 */
+ DMA_RX_UNKNOWN_FRM_ERR, /* 0x79 */
+ DMA_RX_MAX_ERR_CODE,
};
#define HISI_SAS_COMMAND_ENTRIES_V2_HW 4096
+#define HISI_MAX_SATA_SUPPORT_V2_HW (HISI_SAS_COMMAND_ENTRIES_V2_HW/64 - 1)
#define DIR_NO_DATA 0
#define DIR_TO_INI 1
@@ -534,7 +560,13 @@ enum {
#define SATA_PROTOCOL_FPDMA 0x8
#define SATA_PROTOCOL_ATAPI 0x10
-static void hisi_sas_link_timeout_disable_link(unsigned long data);
+#define ERR_ON_TX_PHASE(err_phase) (err_phase == 0x2 || \
+ err_phase == 0x4 || err_phase == 0x8 ||\
+ err_phase == 0x6 || err_phase == 0xa)
+#define ERR_ON_RX_PHASE(err_phase) (err_phase == 0x10 || \
+ err_phase == 0x20 || err_phase == 0x40)
+
+static void link_timeout_disable_link(unsigned long data);
static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
{
@@ -576,38 +608,86 @@ static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
/* This function needs to be protected from pre-emption. */
static int
slot_index_alloc_quirk_v2_hw(struct hisi_hba *hisi_hba, int *slot_idx,
- struct domain_device *device)
+ struct domain_device *device)
{
- unsigned int index = 0;
- void *bitmap = hisi_hba->slot_index_tags;
int sata_dev = dev_is_sata(device);
+ void *bitmap = hisi_hba->slot_index_tags;
+ struct hisi_sas_device *sas_dev = device->lldd_dev;
+ int sata_idx = sas_dev->sata_idx;
+ int start, end;
+
+ if (!sata_dev) {
+ /*
+ * STP link SoC bug workaround: index starts from 1.
+ * additionally, we can only allocate odd IPTT(1~4095)
+ * for SAS/SMP device.
+ */
+ start = 1;
+ end = hisi_hba->slot_index_count;
+ } else {
+ if (sata_idx >= HISI_MAX_SATA_SUPPORT_V2_HW)
+ return -EINVAL;
+
+ /*
+ * For SATA device: allocate even IPTT in this interval
+ * [64*(sata_idx+1), 64*(sata_idx+2)], then each SATA device
+ * own 32 IPTTs. IPTT 0 shall not be used duing to STP link
+ * SoC bug workaround. So we ignore the first 32 even IPTTs.
+ */
+ start = 64 * (sata_idx + 1);
+ end = 64 * (sata_idx + 2);
+ }
while (1) {
- index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count,
- index);
- if (index >= hisi_hba->slot_index_count)
+ start = find_next_zero_bit(bitmap,
+ hisi_hba->slot_index_count, start);
+ if (start >= end)
return -SAS_QUEUE_FULL;
/*
- * SAS IPTT bit0 should be 1
- */
- if (sata_dev || (index & 1))
+ * SAS IPTT bit0 should be 1, and SATA IPTT bit0 should be 0.
+ */
+ if (sata_dev ^ (start & 1))
break;
- index++;
+ start++;
}
- set_bit(index, bitmap);
- *slot_idx = index;
+ set_bit(start, bitmap);
+ *slot_idx = start;
return 0;
}
+static bool sata_index_alloc_v2_hw(struct hisi_hba *hisi_hba, int *idx)
+{
+ unsigned int index;
+ struct device *dev = &hisi_hba->pdev->dev;
+ void *bitmap = hisi_hba->sata_dev_bitmap;
+
+ index = find_first_zero_bit(bitmap, HISI_MAX_SATA_SUPPORT_V2_HW);
+ if (index >= HISI_MAX_SATA_SUPPORT_V2_HW) {
+ dev_warn(dev, "alloc sata index failed, index=%d\n", index);
+ return false;
+ }
+
+ set_bit(index, bitmap);
+ *idx = index;
+ return true;
+}
+
+
static struct
hisi_sas_device *alloc_dev_quirk_v2_hw(struct domain_device *device)
{
struct hisi_hba *hisi_hba = device->port->ha->lldd_ha;
struct hisi_sas_device *sas_dev = NULL;
int i, sata_dev = dev_is_sata(device);
+ int sata_idx = -1;
spin_lock(&hisi_hba->lock);
+
+ if (sata_dev)
+ if (!sata_index_alloc_v2_hw(hisi_hba, &sata_idx))
+ goto out;
+
for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
/*
* SATA device id bit0 should be 0
@@ -621,9 +701,13 @@ hisi_sas_device *alloc_dev_quirk_v2_hw(struct domain_device *device)
sas_dev->dev_type = device->dev_type;
sas_dev->hisi_hba = hisi_hba;
sas_dev->sas_device = device;
+ sas_dev->sata_idx = sata_idx;
+ INIT_LIST_HEAD(&hisi_hba->devices[i].list);
break;
}
}
+
+out:
spin_unlock(&hisi_hba->lock);
return sas_dev;
@@ -676,7 +760,8 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
u64 qw0, device_id = sas_dev->device_id;
struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
struct domain_device *parent_dev = device->parent;
- struct hisi_sas_port *port = device->port->lldd_port;
+ struct asd_sas_port *sas_port = device->port;
+ struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
memset(itct, 0, sizeof(*itct));
@@ -729,6 +814,10 @@ static void free_device_v2_hw(struct hisi_hba *hisi_hba,
u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
int i;
+ /* SoC bug workaround */
+ if (dev_is_sata(sas_dev->sas_device))
+ clear_bit(sas_dev->sata_idx, hisi_hba->sata_dev_bitmap);
+
/* clear the itct interrupt state */
if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
@@ -858,6 +947,46 @@ static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
return 0;
}
+/* This function needs to be called after resetting SAS controller. */
+static void phys_reject_stp_links_v2_hw(struct hisi_hba *hisi_hba)
+{
+ u32 cfg;
+ int phy_no;
+
+ hisi_hba->reject_stp_links_msk = (1 << hisi_hba->n_phy) - 1;
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ cfg = hisi_sas_phy_read32(hisi_hba, phy_no, CON_CONTROL);
+ if (!(cfg & CON_CONTROL_CFG_OPEN_ACC_STP_MSK))
+ continue;
+
+ cfg &= ~CON_CONTROL_CFG_OPEN_ACC_STP_MSK;
+ hisi_sas_phy_write32(hisi_hba, phy_no, CON_CONTROL, cfg);
+ }
+}
+
+static void phys_try_accept_stp_links_v2_hw(struct hisi_hba *hisi_hba)
+{
+ int phy_no;
+ u32 dma_tx_dfx1;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ if (!(hisi_hba->reject_stp_links_msk & BIT(phy_no)))
+ continue;
+
+ dma_tx_dfx1 = hisi_sas_phy_read32(hisi_hba, phy_no,
+ DMA_TX_DFX1);
+ if (dma_tx_dfx1 & DMA_TX_DFX1_IPTT_MSK) {
+ u32 cfg = hisi_sas_phy_read32(hisi_hba,
+ phy_no, CON_CONTROL);
+
+ cfg |= CON_CONTROL_CFG_OPEN_ACC_STP_MSK;
+ hisi_sas_phy_write32(hisi_hba, phy_no,
+ CON_CONTROL, cfg);
+ clear_bit(phy_no, &hisi_hba->reject_stp_links_msk);
+ }
+ }
+}
+
static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
{
struct device *dev = &hisi_hba->pdev->dev;
@@ -876,7 +1005,7 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
(u32)((1ULL << hisi_hba->queue_count) - 1));
hisi_sas_write32(hisi_hba, AXI_USER1, 0xc0000000);
hisi_sas_write32(hisi_hba, AXI_USER2, 0x10000);
- hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108);
+ hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x0);
hisi_sas_write32(hisi_hba, HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL, 0x7FF);
hisi_sas_write32(hisi_hba, OPENA_WT_CONTI_TIME, 0x1);
hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x1F4);
@@ -885,9 +1014,9 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x1);
hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
- hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
- hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
- hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
+ hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
+ hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x60);
+ hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x3);
hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0x0);
@@ -910,14 +1039,14 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
hisi_sas_phy_write32(hisi_hba, i, SL_CONTROL, 0x0);
hisi_sas_phy_write32(hisi_hba, i, TXID_AUTO, 0x2);
- hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x10);
+ hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x8);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xfff87fff);
hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbff);
- hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x23f801fc);
+ hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x13f801fc);
hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
@@ -989,12 +1118,15 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
upper_32_bits(hisi_hba->initial_fis_dma));
}
-static void hisi_sas_link_timeout_enable_link(unsigned long data)
+static void link_timeout_enable_link(unsigned long data)
{
struct hisi_hba *hisi_hba = (struct hisi_hba *)data;
int i, reg_val;
for (i = 0; i < hisi_hba->n_phy; i++) {
+ if (hisi_hba->reject_stp_links_msk & BIT(i))
+ continue;
+
reg_val = hisi_sas_phy_read32(hisi_hba, i, CON_CONTROL);
if (!(reg_val & BIT(0))) {
hisi_sas_phy_write32(hisi_hba, i,
@@ -1003,17 +1135,20 @@ static void hisi_sas_link_timeout_enable_link(unsigned long data)
}
}
- hisi_hba->timer.function = hisi_sas_link_timeout_disable_link;
+ hisi_hba->timer.function = link_timeout_disable_link;
mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(900));
}
-static void hisi_sas_link_timeout_disable_link(unsigned long data)
+static void link_timeout_disable_link(unsigned long data)
{
struct hisi_hba *hisi_hba = (struct hisi_hba *)data;
int i, reg_val;
reg_val = hisi_sas_read32(hisi_hba, PHY_STATE);
for (i = 0; i < hisi_hba->n_phy && reg_val; i++) {
+ if (hisi_hba->reject_stp_links_msk & BIT(i))
+ continue;
+
if (reg_val & BIT(i)) {
hisi_sas_phy_write32(hisi_hba, i,
CON_CONTROL, 0x6);
@@ -1021,14 +1156,14 @@ static void hisi_sas_link_timeout_disable_link(unsigned long data)
}
}
- hisi_hba->timer.function = hisi_sas_link_timeout_enable_link;
+ hisi_hba->timer.function = link_timeout_enable_link;
mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(100));
}
static void set_link_timer_quirk(struct hisi_hba *hisi_hba)
{
hisi_hba->timer.data = (unsigned long)hisi_hba;
- hisi_hba->timer.function = hisi_sas_link_timeout_disable_link;
+ hisi_hba->timer.function = link_timeout_disable_link;
hisi_hba->timer.expires = jiffies + msecs_to_jiffies(1000);
add_timer(&hisi_hba->timer);
}
@@ -1058,12 +1193,138 @@ static void enable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
}
+static bool is_sata_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ u32 context;
+
+ context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
+ if (context & (1 << phy_no))
+ return true;
+
+ return false;
+}
+
+static bool tx_fifo_is_empty_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ u32 dfx_val;
+
+ dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1);
+
+ if (dfx_val & BIT(16))
+ return false;
+
+ return true;
+}
+
+static bool axi_bus_is_idle_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ int i, max_loop = 1000;
+ struct device *dev = &hisi_hba->pdev->dev;
+ u32 status, axi_status, dfx_val, dfx_tx_val;
+
+ for (i = 0; i < max_loop; i++) {
+ status = hisi_sas_read32_relaxed(hisi_hba,
+ AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN);
+
+ axi_status = hisi_sas_read32(hisi_hba, AXI_CFG);
+ dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1);
+ dfx_tx_val = hisi_sas_phy_read32(hisi_hba,
+ phy_no, DMA_TX_FIFO_DFX0);
+
+ if ((status == 0x3) && (axi_status == 0x0) &&
+ (dfx_val & BIT(20)) && (dfx_tx_val & BIT(10)))
+ return true;
+ udelay(10);
+ }
+ dev_err(dev, "bus is not idle phy%d, axi150:0x%x axi100:0x%x port204:0x%x port240:0x%x\n",
+ phy_no, status, axi_status,
+ dfx_val, dfx_tx_val);
+ return false;
+}
+
+static bool wait_io_done_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ int i, max_loop = 1000;
+ struct device *dev = &hisi_hba->pdev->dev;
+ u32 status, tx_dfx0;
+
+ for (i = 0; i < max_loop; i++) {
+ status = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2);
+ status = (status & 0x3fc0) >> 6;
+
+ if (status != 0x1)
+ return true;
+
+ tx_dfx0 = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX0);
+ if ((tx_dfx0 & 0x1ff) == 0x2)
+ return true;
+ udelay(10);
+ }
+ dev_err(dev, "IO not done phy%d, port264:0x%x port200:0x%x\n",
+ phy_no, status, tx_dfx0);
+ return false;
+}
+
+static bool allowed_disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ if (tx_fifo_is_empty_v2_hw(hisi_hba, phy_no))
+ return true;
+
+ if (!axi_bus_is_idle_v2_hw(hisi_hba, phy_no))
+ return false;
+
+ if (!wait_io_done_v2_hw(hisi_hba, phy_no))
+ return false;
+
+ return true;
+}
+
+
static void disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
{
- u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+ u32 cfg, axi_val, dfx0_val, txid_auto;
+ struct device *dev = &hisi_hba->pdev->dev;
+
+ /* Close axi bus. */
+ axi_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
+ AM_CTRL_GLOBAL);
+ axi_val |= 0x1;
+ hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+ AM_CTRL_GLOBAL, axi_val);
+
+ if (is_sata_phy_v2_hw(hisi_hba, phy_no)) {
+ if (allowed_disable_phy_v2_hw(hisi_hba, phy_no))
+ goto do_disable;
+
+ /* Reset host controller. */
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+ return;
+ }
+
+ dfx0_val = hisi_sas_phy_read32(hisi_hba, phy_no, PORT_DFX0);
+ dfx0_val = (dfx0_val & 0x1fc0) >> 6;
+ if (dfx0_val != 0x4)
+ goto do_disable;
+ if (!tx_fifo_is_empty_v2_hw(hisi_hba, phy_no)) {
+ dev_warn(dev, "phy%d, wait tx fifo need send break\n",
+ phy_no);
+ txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no,
+ TXID_AUTO);
+ txid_auto |= TXID_AUTO_CTB_MSK;
+ hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+ txid_auto);
+ }
+
+do_disable:
+ cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
cfg &= ~PHY_CFG_ENA_MSK;
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+
+ /* Open axi bus. */
+ axi_val &= ~0x1;
+ hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+ AM_CTRL_GLOBAL, axi_val);
}
static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
@@ -1078,6 +1339,14 @@ static void stop_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
disable_phy_v2_hw(hisi_hba, phy_no);
}
+static void stop_phys_v2_hw(struct hisi_hba *hisi_hba)
+{
+ int i;
+
+ for (i = 0; i < hisi_hba->n_phy; i++)
+ stop_phy_v2_hw(hisi_hba, i);
+}
+
static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
@@ -1437,10 +1706,205 @@ static void sata_done_v2_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
ts->buf_valid_size = sizeof(*resp);
}
+#define TRANS_TX_ERR 0
+#define TRANS_RX_ERR 1
+#define DMA_TX_ERR 2
+#define SIPC_RX_ERR 3
+#define DMA_RX_ERR 4
+
+#define DMA_TX_ERR_OFF 0
+#define DMA_TX_ERR_MSK (0xffff << DMA_TX_ERR_OFF)
+#define SIPC_RX_ERR_OFF 16
+#define SIPC_RX_ERR_MSK (0xffff << SIPC_RX_ERR_OFF)
+
+static int parse_trans_tx_err_code_v2_hw(u32 err_msk)
+{
+ const u8 trans_tx_err_code_prio[] = {
+ TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS,
+ TRANS_TX_ERR_PHY_NOT_ENABLE,
+ TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION,
+ TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION,
+ TRANS_TX_OPEN_CNX_ERR_BY_OTHER,
+ RESERVED0,
+ TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT,
+ TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY,
+ TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED,
+ TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED,
+ TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION,
+ TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD,
+ TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER,
+ TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED,
+ TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT,
+ TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION,
+ TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED,
+ TRANS_TX_ERR_WITH_CLOSE_PHYDISALE,
+ TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT,
+ TRANS_TX_ERR_WITH_CLOSE_COMINIT,
+ TRANS_TX_ERR_WITH_BREAK_TIMEOUT,
+ TRANS_TX_ERR_WITH_BREAK_REQUEST,
+ TRANS_TX_ERR_WITH_BREAK_RECEVIED,
+ TRANS_TX_ERR_WITH_CLOSE_TIMEOUT,
+ TRANS_TX_ERR_WITH_CLOSE_NORMAL,
+ TRANS_TX_ERR_WITH_NAK_RECEVIED,
+ TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT,
+ TRANS_TX_ERR_WITH_CREDIT_TIMEOUT,
+ TRANS_TX_ERR_WITH_IPTT_CONFLICT,
+ TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS,
+ TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT,
+ };
+ int index, i;
+
+ for (i = 0; i < ARRAY_SIZE(trans_tx_err_code_prio); i++) {
+ index = trans_tx_err_code_prio[i] - TRANS_TX_FAIL_BASE;
+ if (err_msk & (1 << index))
+ return trans_tx_err_code_prio[i];
+ }
+ return -1;
+}
+
+static int parse_trans_rx_err_code_v2_hw(u32 err_msk)
+{
+ const u8 trans_rx_err_code_prio[] = {
+ TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR,
+ TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR,
+ TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM,
+ TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR,
+ TRANS_RX_ERR_WITH_RXFIS_CRC_ERR,
+ TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN,
+ TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP,
+ TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN,
+ TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE,
+ TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT,
+ TRANS_RX_ERR_WITH_CLOSE_COMINIT,
+ TRANS_RX_ERR_WITH_BREAK_TIMEOUT,
+ TRANS_RX_ERR_WITH_BREAK_REQUEST,
+ TRANS_RX_ERR_WITH_BREAK_RECEVIED,
+ RESERVED1,
+ TRANS_RX_ERR_WITH_CLOSE_NORMAL,
+ TRANS_RX_ERR_WITH_DATA_LEN0,
+ TRANS_RX_ERR_WITH_BAD_HASH,
+ TRANS_RX_XRDY_WLEN_ZERO_ERR,
+ TRANS_RX_SSP_FRM_LEN_ERR,
+ RESERVED2,
+ RESERVED3,
+ RESERVED4,
+ RESERVED5,
+ TRANS_RX_ERR_WITH_BAD_FRM_TYPE,
+ TRANS_RX_SMP_FRM_LEN_ERR,
+ TRANS_RX_SMP_RESP_TIMEOUT_ERR,
+ RESERVED6,
+ RESERVED7,
+ RESERVED8,
+ RESERVED9,
+ TRANS_RX_R_ERR,
+ };
+ int index, i;
+
+ for (i = 0; i < ARRAY_SIZE(trans_rx_err_code_prio); i++) {
+ index = trans_rx_err_code_prio[i] - TRANS_RX_FAIL_BASE;
+ if (err_msk & (1 << index))
+ return trans_rx_err_code_prio[i];
+ }
+ return -1;
+}
+
+static int parse_dma_tx_err_code_v2_hw(u32 err_msk)
+{
+ const u8 dma_tx_err_code_prio[] = {
+ DMA_TX_UNEXP_XFER_ERR,
+ DMA_TX_UNEXP_RETRANS_ERR,
+ DMA_TX_XFER_LEN_OVERFLOW,
+ DMA_TX_XFER_OFFSET_ERR,
+ DMA_TX_RAM_ECC_ERR,
+ DMA_TX_DIF_LEN_ALIGN_ERR,
+ DMA_TX_DIF_CRC_ERR,
+ DMA_TX_DIF_APP_ERR,
+ DMA_TX_DIF_RPP_ERR,
+ DMA_TX_DATA_SGL_OVERFLOW,
+ DMA_TX_DIF_SGL_OVERFLOW,
+ };
+ int index, i;
+
+ for (i = 0; i < ARRAY_SIZE(dma_tx_err_code_prio); i++) {
+ index = dma_tx_err_code_prio[i] - DMA_TX_ERR_BASE;
+ err_msk = err_msk & DMA_TX_ERR_MSK;
+ if (err_msk & (1 << index))
+ return dma_tx_err_code_prio[i];
+ }
+ return -1;
+}
+
+static int parse_sipc_rx_err_code_v2_hw(u32 err_msk)
+{
+ const u8 sipc_rx_err_code_prio[] = {
+ SIPC_RX_FIS_STATUS_ERR_BIT_VLD,
+ SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR,
+ SIPC_RX_FIS_STATUS_BSY_BIT_ERR,
+ SIPC_RX_WRSETUP_LEN_ODD_ERR,
+ SIPC_RX_WRSETUP_LEN_ZERO_ERR,
+ SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR,
+ SIPC_RX_NCQ_WRSETUP_OFFSET_ERR,
+ SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR,
+ SIPC_RX_SATA_UNEXP_FIS_ERR,
+ SIPC_RX_WRSETUP_ESTATUS_ERR,
+ SIPC_RX_DATA_UNDERFLOW_ERR,
+ };
+ int index, i;
+
+ for (i = 0; i < ARRAY_SIZE(sipc_rx_err_code_prio); i++) {
+ index = sipc_rx_err_code_prio[i] - SIPC_RX_ERR_BASE;
+ err_msk = err_msk & SIPC_RX_ERR_MSK;
+ if (err_msk & (1 << (index + 0x10)))
+ return sipc_rx_err_code_prio[i];
+ }
+ return -1;
+}
+
+static int parse_dma_rx_err_code_v2_hw(u32 err_msk)
+{
+ const u8 dma_rx_err_code_prio[] = {
+ DMA_RX_UNKNOWN_FRM_ERR,
+ DMA_RX_DATA_LEN_OVERFLOW,
+ DMA_RX_DATA_LEN_UNDERFLOW,
+ DMA_RX_DATA_OFFSET_ERR,
+ RESERVED10,
+ DMA_RX_SATA_FRAME_TYPE_ERR,
+ DMA_RX_RESP_BUF_OVERFLOW,
+ DMA_RX_UNEXP_RETRANS_RESP_ERR,
+ DMA_RX_UNEXP_NORM_RESP_ERR,
+ DMA_RX_UNEXP_RDFRAME_ERR,
+ DMA_RX_PIO_DATA_LEN_ERR,
+ DMA_RX_RDSETUP_STATUS_ERR,
+ DMA_RX_RDSETUP_STATUS_DRQ_ERR,
+ DMA_RX_RDSETUP_STATUS_BSY_ERR,
+ DMA_RX_RDSETUP_LEN_ODD_ERR,
+ DMA_RX_RDSETUP_LEN_ZERO_ERR,
+ DMA_RX_RDSETUP_LEN_OVER_ERR,
+ DMA_RX_RDSETUP_OFFSET_ERR,
+ DMA_RX_RDSETUP_ACTIVE_ERR,
+ DMA_RX_RDSETUP_ESTATUS_ERR,
+ DMA_RX_RAM_ECC_ERR,
+ DMA_RX_DIF_CRC_ERR,
+ DMA_RX_DIF_APP_ERR,
+ DMA_RX_DIF_RPP_ERR,
+ DMA_RX_DATA_SGL_OVERFLOW,
+ DMA_RX_DIF_SGL_OVERFLOW,
+ };
+ int index, i;
+
+ for (i = 0; i < ARRAY_SIZE(dma_rx_err_code_prio); i++) {
+ index = dma_rx_err_code_prio[i] - DMA_RX_ERR_BASE;
+ if (err_msk & (1 << index))
+ return dma_rx_err_code_prio[i];
+ }
+ return -1;
+}
+
/* by default, task resp is complete */
static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
struct sas_task *task,
- struct hisi_sas_slot *slot)
+ struct hisi_sas_slot *slot,
+ int err_phase)
{
struct task_status_struct *ts = &task->task_status;
struct hisi_sas_err_record_v2 *err_record = slot->status_buffer;
@@ -1451,21 +1915,23 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
u32 dma_rx_err_type = cpu_to_le32(err_record->dma_rx_err_type);
int error = -1;
- if (dma_rx_err_type) {
- error = ffs(dma_rx_err_type)
- - 1 + DMA_RX_ERR_BASE;
- } else if (sipc_rx_err_type) {
- error = ffs(sipc_rx_err_type)
- - 1 + SIPC_RX_ERR_BASE;
- } else if (dma_tx_err_type) {
- error = ffs(dma_tx_err_type)
- - 1 + DMA_TX_ERR_BASE;
- } else if (trans_rx_fail_type) {
- error = ffs(trans_rx_fail_type)
- - 1 + TRANS_RX_FAIL_BASE;
- } else if (trans_tx_fail_type) {
- error = ffs(trans_tx_fail_type)
- - 1 + TRANS_TX_FAIL_BASE;
+ if (err_phase == 1) {
+ /* error in TX phase, the priority of error is: DW2 > DW0 */
+ error = parse_dma_tx_err_code_v2_hw(dma_tx_err_type);
+ if (error == -1)
+ error = parse_trans_tx_err_code_v2_hw(
+ trans_tx_fail_type);
+ } else if (err_phase == 2) {
+ /* error in RX phase, the priority is: DW1 > DW3 > DW2 */
+ error = parse_trans_rx_err_code_v2_hw(
+ trans_rx_fail_type);
+ if (error == -1) {
+ error = parse_dma_rx_err_code_v2_hw(
+ dma_rx_err_type);
+ if (error == -1)
+ error = parse_sipc_rx_err_code_v2_hw(
+ sipc_rx_err_type);
+ }
}
switch (task->task_proto) {
@@ -1478,12 +1944,6 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
ts->open_rej_reason = SAS_OREJ_NO_DEST;
break;
}
- case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
- {
- ts->stat = SAS_OPEN_REJECT;
- ts->open_rej_reason = SAS_OREJ_PATH_BLOCKED;
- break;
- }
case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED:
{
ts->stat = SAS_OPEN_REJECT;
@@ -1502,19 +1962,15 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
ts->open_rej_reason = SAS_OREJ_BAD_DEST;
break;
}
- case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
- {
- ts->stat = SAS_OPEN_REJECT;
- ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
- break;
- }
case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION:
{
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
break;
}
+ case DMA_RX_UNEXP_NORM_RESP_ERR:
case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
+ case DMA_RX_RESP_BUF_OVERFLOW:
{
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
@@ -1526,16 +1982,6 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
ts->stat = SAS_DEV_NO_RESPONSE;
break;
}
- case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
- {
- ts->stat = SAS_PHY_DOWN;
- break;
- }
- case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
- {
- ts->stat = SAS_OPEN_TO;
- break;
- }
case DMA_RX_DATA_LEN_OVERFLOW:
{
ts->stat = SAS_DATA_OVERRUN;
@@ -1543,60 +1989,65 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
break;
}
case DMA_RX_DATA_LEN_UNDERFLOW:
- case SIPC_RX_DATA_UNDERFLOW_ERR:
{
- ts->residual = trans_tx_fail_type;
+ ts->residual = dma_rx_err_type;
ts->stat = SAS_DATA_UNDERRUN;
break;
}
- case TRANS_TX_ERR_FRAME_TXED:
- {
- /* This will request a retry */
- ts->stat = SAS_QUEUE_FULL;
- slot->abort = 1;
- break;
- }
case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS:
case TRANS_TX_ERR_PHY_NOT_ENABLE:
case TRANS_TX_OPEN_CNX_ERR_BY_OTHER:
case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT:
+ case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
+ case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
+ case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED:
case TRANS_TX_ERR_WITH_BREAK_TIMEOUT:
case TRANS_TX_ERR_WITH_BREAK_REQUEST:
case TRANS_TX_ERR_WITH_BREAK_RECEVIED:
case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT:
case TRANS_TX_ERR_WITH_CLOSE_NORMAL:
+ case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE:
case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT:
case TRANS_TX_ERR_WITH_CLOSE_COMINIT:
case TRANS_TX_ERR_WITH_NAK_RECEVIED:
case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT:
- case TRANS_TX_ERR_WITH_IPTT_CONFLICT:
case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT:
+ case TRANS_TX_ERR_WITH_IPTT_CONFLICT:
case TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR:
case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM:
+ case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN:
case TRANS_RX_ERR_WITH_BREAK_TIMEOUT:
case TRANS_RX_ERR_WITH_BREAK_REQUEST:
case TRANS_RX_ERR_WITH_BREAK_RECEVIED:
case TRANS_RX_ERR_WITH_CLOSE_NORMAL:
case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT:
case TRANS_RX_ERR_WITH_CLOSE_COMINIT:
+ case TRANS_TX_ERR_FRAME_TXED:
+ case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
case TRANS_RX_ERR_WITH_DATA_LEN0:
case TRANS_RX_ERR_WITH_BAD_HASH:
case TRANS_RX_XRDY_WLEN_ZERO_ERR:
case TRANS_RX_SSP_FRM_LEN_ERR:
case TRANS_RX_ERR_WITH_BAD_FRM_TYPE:
+ case DMA_TX_DATA_SGL_OVERFLOW:
case DMA_TX_UNEXP_XFER_ERR:
case DMA_TX_UNEXP_RETRANS_ERR:
case DMA_TX_XFER_LEN_OVERFLOW:
case DMA_TX_XFER_OFFSET_ERR:
+ case SIPC_RX_DATA_UNDERFLOW_ERR:
+ case DMA_RX_DATA_SGL_OVERFLOW:
case DMA_RX_DATA_OFFSET_ERR:
- case DMA_RX_UNEXP_NORM_RESP_ERR:
- case DMA_RX_UNEXP_RDFRAME_ERR:
+ case DMA_RX_RDSETUP_LEN_ODD_ERR:
+ case DMA_RX_RDSETUP_LEN_ZERO_ERR:
+ case DMA_RX_RDSETUP_LEN_OVER_ERR:
+ case DMA_RX_SATA_FRAME_TYPE_ERR:
case DMA_RX_UNKNOWN_FRM_ERR:
{
- ts->stat = SAS_OPEN_REJECT;
- ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+ /* This will request a retry */
+ ts->stat = SAS_QUEUE_FULL;
+ slot->abort = 1;
break;
}
default:
@@ -1613,57 +2064,92 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
{
switch (error) {
- case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER:
- case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION:
{
+ ts->stat = SAS_OPEN_REJECT;
+ ts->open_rej_reason = SAS_OREJ_NO_DEST;
+ break;
+ }
+ case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER:
+ {
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_DEV_NO_RESPONSE;
break;
}
case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED:
+ {
+ ts->stat = SAS_OPEN_REJECT;
+ ts->open_rej_reason = SAS_OREJ_EPROTO;
+ break;
+ }
case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED:
+ {
+ ts->stat = SAS_OPEN_REJECT;
+ ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+ break;
+ }
case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION:
- case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
+ {
+ ts->stat = SAS_OPEN_REJECT;
+ ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+ break;
+ }
case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION:
- case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
- case TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY:
{
ts->stat = SAS_OPEN_REJECT;
+ ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
break;
}
- case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
+ case DMA_RX_RESP_BUF_OVERFLOW:
+ case DMA_RX_UNEXP_NORM_RESP_ERR:
+ case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
{
- ts->stat = SAS_OPEN_TO;
+ ts->stat = SAS_OPEN_REJECT;
+ ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
}
case DMA_RX_DATA_LEN_OVERFLOW:
{
ts->stat = SAS_DATA_OVERRUN;
+ ts->residual = 0;
+ break;
+ }
+ case DMA_RX_DATA_LEN_UNDERFLOW:
+ {
+ ts->residual = dma_rx_err_type;
+ ts->stat = SAS_DATA_UNDERRUN;
break;
}
case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS:
case TRANS_TX_ERR_PHY_NOT_ENABLE:
case TRANS_TX_OPEN_CNX_ERR_BY_OTHER:
case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT:
+ case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
+ case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
+ case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED:
case TRANS_TX_ERR_WITH_BREAK_TIMEOUT:
case TRANS_TX_ERR_WITH_BREAK_REQUEST:
case TRANS_TX_ERR_WITH_BREAK_RECEVIED:
case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT:
case TRANS_TX_ERR_WITH_CLOSE_NORMAL:
+ case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE:
case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT:
case TRANS_TX_ERR_WITH_CLOSE_COMINIT:
- case TRANS_TX_ERR_WITH_NAK_RECEVIED:
case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT:
case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT:
+ case TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS:
case TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT:
- case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM:
+ case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
case TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR:
case TRANS_RX_ERR_WITH_RXFIS_CRC_ERR:
case TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN:
case TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP:
+ case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN:
+ case TRANS_RX_ERR_WITH_BREAK_TIMEOUT:
+ case TRANS_RX_ERR_WITH_BREAK_REQUEST:
+ case TRANS_RX_ERR_WITH_BREAK_RECEVIED:
case TRANS_RX_ERR_WITH_CLOSE_NORMAL:
case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT:
@@ -1671,7 +2157,12 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
case TRANS_RX_ERR_WITH_DATA_LEN0:
case TRANS_RX_ERR_WITH_BAD_HASH:
case TRANS_RX_XRDY_WLEN_ZERO_ERR:
- case TRANS_RX_SSP_FRM_LEN_ERR:
+ case TRANS_RX_ERR_WITH_BAD_FRM_TYPE:
+ case DMA_TX_DATA_SGL_OVERFLOW:
+ case DMA_TX_UNEXP_XFER_ERR:
+ case DMA_TX_UNEXP_RETRANS_ERR:
+ case DMA_TX_XFER_LEN_OVERFLOW:
+ case DMA_TX_XFER_OFFSET_ERR:
case SIPC_RX_FIS_STATUS_ERR_BIT_VLD:
case SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR:
case SIPC_RX_FIS_STATUS_BSY_BIT_ERR:
@@ -1679,6 +2170,8 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
case SIPC_RX_WRSETUP_LEN_ZERO_ERR:
case SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR:
case SIPC_RX_SATA_UNEXP_FIS_ERR:
+ case DMA_RX_DATA_SGL_OVERFLOW:
+ case DMA_RX_DATA_OFFSET_ERR:
case DMA_RX_SATA_FRAME_TYPE_ERR:
case DMA_RX_UNEXP_RDFRAME_ERR:
case DMA_RX_PIO_DATA_LEN_ERR:
@@ -1692,8 +2185,11 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
case DMA_RX_RDSETUP_ACTIVE_ERR:
case DMA_RX_RDSETUP_ESTATUS_ERR:
case DMA_RX_UNKNOWN_FRM_ERR:
+ case TRANS_RX_SSP_FRM_LEN_ERR:
+ case TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY:
{
- ts->stat = SAS_OPEN_REJECT;
+ slot->abort = 1;
+ ts->stat = SAS_PHY_DOWN;
break;
}
default:
@@ -1711,8 +2207,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
}
static int
-slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot,
- int abort)
+slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
{
struct sas_task *task = slot->task;
struct hisi_sas_device *sas_dev;
@@ -1724,6 +2219,8 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot,
hisi_hba->complete_hdr[slot->cmplt_queue];
struct hisi_sas_complete_v2_hdr *complete_hdr =
&complete_queue[slot->cmplt_queue_slot];
+ unsigned long flags;
+ int aborted;
if (unlikely(!task || !task->lldd_task || !task->dev))
return -EINVAL;
@@ -1732,16 +2229,23 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot,
device = task->dev;
sas_dev = device->lldd_dev;
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED;
task->task_state_flags &=
~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
- task->task_state_flags |= SAS_TASK_STATE_DONE;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
memset(ts, 0, sizeof(*ts));
ts->resp = SAS_TASK_COMPLETE;
- if (unlikely(!sas_dev || abort)) {
- if (!sas_dev)
- dev_dbg(dev, "slot complete: port has not device\n");
+ if (unlikely(aborted)) {
+ ts->stat = SAS_ABORTED_TASK;
+ hisi_sas_slot_task_free(hisi_hba, task, slot);
+ return -1;
+ }
+
+ if (unlikely(!sas_dev)) {
+ dev_dbg(dev, "slot complete: port has no device\n");
ts->stat = SAS_PHY_DOWN;
goto out;
}
@@ -1755,16 +2259,19 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot,
goto out;
case STAT_IO_COMPLETE:
/* internal abort command complete */
- ts->stat = TMF_RESP_FUNC_COMPLETE;
+ ts->stat = TMF_RESP_FUNC_SUCC;
+ del_timer(&slot->internal_abort_timer);
goto out;
case STAT_IO_NO_DEVICE:
ts->stat = TMF_RESP_FUNC_COMPLETE;
+ del_timer(&slot->internal_abort_timer);
goto out;
case STAT_IO_NOT_VALID:
/* abort single io, controller don't find
* the io need to abort
*/
ts->stat = TMF_RESP_FUNC_FAILED;
+ del_timer(&slot->internal_abort_timer);
goto out;
default:
break;
@@ -1772,13 +2279,17 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot,
if ((complete_hdr->dw0 & CMPLT_HDR_ERX_MSK) &&
(!(complete_hdr->dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))) {
+ u32 err_phase = (complete_hdr->dw0 & CMPLT_HDR_ERR_PHASE_MSK)
+ >> CMPLT_HDR_ERR_PHASE_OFF;
+
+ /* Analyse error happens on which phase TX or RX */
+ if (ERR_ON_TX_PHASE(err_phase))
+ slot_err_v2_hw(hisi_hba, task, slot, 1);
+ else if (ERR_ON_RX_PHASE(err_phase))
+ slot_err_v2_hw(hisi_hba, task, slot, 2);
- slot_err_v2_hw(hisi_hba, task, slot);
- if (unlikely(slot->abort)) {
- queue_work(hisi_hba->wq, &slot->abort_slot);
- /* immediately return and do not complete */
+ if (unlikely(slot->abort))
return ts->stat;
- }
goto out;
}
@@ -1830,7 +2341,9 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot,
}
out:
-
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ task->task_state_flags |= SAS_TASK_STATE_DONE;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
hisi_sas_slot_task_free(hisi_hba, task, slot);
sts = ts->stat;
@@ -1920,7 +2433,8 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba,
struct domain_device *parent_dev = device->parent;
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
- struct hisi_sas_port *port = device->port->lldd_port;
+ struct asd_sas_port *sas_port = device->port;
+ struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
u8 *buf_cmd;
int has_data = 0, rc = 0, hdr_tag = 0;
u32 dw1 = 0, dw2 = 0;
@@ -1947,7 +2461,8 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba,
dw1 &= ~CMD_HDR_DIR_MSK;
}
- if (0 == task->ata_task.fis.command)
+ if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
+ (task->ata_task.fis.control & ATA_SRST))
dw1 |= 1 << CMD_HDR_RESET_OFF;
dw1 |= (get_ata_protocol(task->ata_task.fis.command, task->data_dir))
@@ -1990,6 +2505,40 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba,
return 0;
}
+static void hisi_sas_internal_abort_quirk_timeout(unsigned long data)
+{
+ struct hisi_sas_slot *slot = (struct hisi_sas_slot *)data;
+ struct hisi_sas_port *port = slot->port;
+ struct asd_sas_port *asd_sas_port;
+ struct asd_sas_phy *sas_phy;
+
+ if (!port)
+ return;
+
+ asd_sas_port = &port->sas_port;
+
+ /* Kick the hardware - send break command */
+ list_for_each_entry(sas_phy, &asd_sas_port->phy_list, port_phy_el) {
+ struct hisi_sas_phy *phy = sas_phy->lldd_phy;
+ struct hisi_hba *hisi_hba = phy->hisi_hba;
+ int phy_no = sas_phy->id;
+ u32 link_dfx2;
+
+ link_dfx2 = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2);
+ if ((link_dfx2 == LINK_DFX2_RCVR_HOLD_STS_MSK) ||
+ (link_dfx2 & LINK_DFX2_SEND_HOLD_STS_MSK)) {
+ u32 txid_auto;
+
+ txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no,
+ TXID_AUTO);
+ txid_auto |= TXID_AUTO_CTB_MSK;
+ hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+ txid_auto);
+ return;
+ }
+ }
+}
+
static int prep_abort_v2_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot,
int device_id, int abort_flag, int tag_to_abort)
@@ -1998,6 +2547,13 @@ static int prep_abort_v2_hw(struct hisi_hba *hisi_hba,
struct domain_device *dev = task->dev;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
struct hisi_sas_port *port = slot->port;
+ struct timer_list *timer = &slot->internal_abort_timer;
+
+ /* setup the quirk timer */
+ setup_timer(timer, hisi_sas_internal_abort_quirk_timeout,
+ (unsigned long)slot);
+ /* Set the timeout to 10ms less than internal abort timeout */
+ mod_timer(timer, jiffies + msecs_to_jiffies(100));
/* dw0 */
hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/
@@ -2018,8 +2574,8 @@ static int prep_abort_v2_hw(struct hisi_hba *hisi_hba,
static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
{
- int i, res = 0;
- u32 context, port_id, link_rate, hard_phy_linkrate;
+ int i, res = IRQ_HANDLED;
+ u32 port_id, link_rate, hard_phy_linkrate;
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
struct asd_sas_phy *sas_phy = &phy->sas_phy;
struct device *dev = &hisi_hba->pdev->dev;
@@ -2028,9 +2584,7 @@ static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
- /* Check for SATA dev */
- context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
- if (context & (1 << phy_no))
+ if (is_sata_phy_v2_hw(hisi_hba, phy_no))
goto end;
if (phy_no == 8) {
@@ -2106,7 +2660,6 @@ static bool check_any_wideports_v2_hw(struct hisi_hba *hisi_hba)
static int phy_down_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
{
- int res = 0;
u32 phy_state, sl_ctrl, txid_auto;
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
struct hisi_sas_port *port = phy->port;
@@ -2131,7 +2684,7 @@ static int phy_down_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
- return res;
+ return IRQ_HANDLED;
}
static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
@@ -2139,35 +2692,58 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
struct hisi_hba *hisi_hba = p;
u32 irq_msk;
int phy_no = 0;
- irqreturn_t res = IRQ_HANDLED;
irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO)
>> HGC_INVLD_DQE_INFO_FB_CH0_OFF) & 0x1ff;
while (irq_msk) {
if (irq_msk & 1) {
- u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no,
- CHL_INT0);
+ u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
+ CHL_INT0);
- if (irq_value & CHL_INT0_SL_PHY_ENABLE_MSK)
+ switch (reg_value & (CHL_INT0_NOT_RDY_MSK |
+ CHL_INT0_SL_PHY_ENABLE_MSK)) {
+
+ case CHL_INT0_SL_PHY_ENABLE_MSK:
/* phy up */
- if (phy_up_v2_hw(phy_no, hisi_hba)) {
- res = IRQ_NONE;
- goto end;
- }
+ if (phy_up_v2_hw(phy_no, hisi_hba) ==
+ IRQ_NONE)
+ return IRQ_NONE;
+ break;
- if (irq_value & CHL_INT0_NOT_RDY_MSK)
+ case CHL_INT0_NOT_RDY_MSK:
/* phy down */
- if (phy_down_v2_hw(phy_no, hisi_hba)) {
- res = IRQ_NONE;
- goto end;
+ if (phy_down_v2_hw(phy_no, hisi_hba) ==
+ IRQ_NONE)
+ return IRQ_NONE;
+ break;
+
+ case (CHL_INT0_NOT_RDY_MSK |
+ CHL_INT0_SL_PHY_ENABLE_MSK):
+ reg_value = hisi_sas_read32(hisi_hba,
+ PHY_STATE);
+ if (reg_value & BIT(phy_no)) {
+ /* phy up */
+ if (phy_up_v2_hw(phy_no, hisi_hba) ==
+ IRQ_NONE)
+ return IRQ_NONE;
+ } else {
+ /* phy down */
+ if (phy_down_v2_hw(phy_no, hisi_hba) ==
+ IRQ_NONE)
+ return IRQ_NONE;
}
+ break;
+
+ default:
+ break;
+ }
+
}
irq_msk >>= 1;
phy_no++;
}
-end:
- return res;
+ return IRQ_HANDLED;
}
static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
@@ -2342,94 +2918,105 @@ static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba,
if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR);
- panic("%s: hgc_dqe_accbad_intr (0x%x) found: \
+ dev_warn(dev, "hgc_dqe_accbad_intr (0x%x) found: \
Ram address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_DQE_ECC_MB_ADDR_MSK) >>
HGC_DQE_ECC_MB_ADDR_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR);
- panic("%s: hgc_iost_accbad_intr (0x%x) found: \
+ dev_warn(dev, "hgc_iost_accbad_intr (0x%x) found: \
Ram address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_IOST_ECC_MB_ADDR_MSK) >>
HGC_IOST_ECC_MB_ADDR_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR);
- panic("%s: hgc_itct_accbad_intr (0x%x) found: \
+ dev_warn(dev,"hgc_itct_accbad_intr (0x%x) found: \
Ram address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_ITCT_ECC_MB_ADDR_MSK) >>
HGC_ITCT_ECC_MB_ADDR_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
- panic("%s: hgc_iostl_accbad_intr (0x%x) found: \
+ dev_warn(dev, "hgc_iostl_accbad_intr (0x%x) found: \
memory address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >>
HGC_LM_DFX_STATUS2_IOSTLIST_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
- panic("%s: hgc_itctl_accbad_intr (0x%x) found: \
+ dev_warn(dev, "hgc_itctl_accbad_intr (0x%x) found: \
memory address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >>
HGC_LM_DFX_STATUS2_ITCTLIST_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR);
- panic("%s: hgc_cqe_accbad_intr (0x%x) found: \
+ dev_warn(dev, "hgc_cqe_accbad_intr (0x%x) found: \
Ram address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_CQE_ECC_MB_ADDR_MSK) >>
HGC_CQE_ECC_MB_ADDR_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- panic("%s: rxm_mem0_accbad_intr (0x%x) found: \
+ dev_warn(dev, "rxm_mem0_accbad_intr (0x%x) found: \
memory address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >>
HGC_RXM_DFX_STATUS14_MEM0_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- panic("%s: rxm_mem1_accbad_intr (0x%x) found: \
+ dev_warn(dev, "rxm_mem1_accbad_intr (0x%x) found: \
memory address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >>
HGC_RXM_DFX_STATUS14_MEM1_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- panic("%s: rxm_mem2_accbad_intr (0x%x) found: \
+ dev_warn(dev, "rxm_mem2_accbad_intr (0x%x) found: \
memory address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >>
HGC_RXM_DFX_STATUS14_MEM2_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF)) {
reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15);
- panic("%s: rxm_mem3_accbad_intr (0x%x) found: \
+ dev_warn(dev, "rxm_mem3_accbad_intr (0x%x) found: \
memory address is 0x%08X\n",
- dev_name(dev), irq_value,
+ irq_value,
(reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >>
HGC_RXM_DFX_STATUS15_MEM3_OFF);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
+ return;
}
static irqreturn_t fatal_ecc_int_v2_hw(int irq_no, void *p)
@@ -2487,23 +3074,27 @@ static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
if (irq_value & BIT(ENT_INT_SRC3_WP_DEPTH_OFF)) {
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
1 << ENT_INT_SRC3_WP_DEPTH_OFF);
- panic("%s: write pointer and depth error (0x%x) \
+ dev_warn(dev, "write pointer and depth error (0x%x) \
found!\n",
- dev_name(dev), irq_value);
+ irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF)) {
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
1 <<
ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF);
- panic("%s: iptt no match slot error (0x%x) found!\n",
- dev_name(dev), irq_value);
+ dev_warn(dev, "iptt no match slot error (0x%x) found!\n",
+ irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
- if (irq_value & BIT(ENT_INT_SRC3_RP_DEPTH_OFF))
- panic("%s: read pointer and depth error (0x%x) \
+ if (irq_value & BIT(ENT_INT_SRC3_RP_DEPTH_OFF)) {
+ dev_warn(dev, "read pointer and depth error (0x%x) \
found!\n",
- dev_name(dev), irq_value);
+ irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+ }
if (irq_value & BIT(ENT_INT_SRC3_AXI_OFF)) {
int i;
@@ -2514,10 +3105,11 @@ static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
HGC_AXI_FIFO_ERR_INFO);
for (i = 0; i < AXI_ERR_NR; i++) {
- if (err_value & BIT(i))
- panic("%s: %s (0x%x) found!\n",
- dev_name(dev),
+ if (err_value & BIT(i)) {
+ dev_warn(dev, "%s (0x%x) found!\n",
axi_err_info[i], irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+ }
}
}
@@ -2530,10 +3122,11 @@ static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
HGC_AXI_FIFO_ERR_INFO);
for (i = 0; i < FIFO_ERR_NR; i++) {
- if (err_value & BIT(AXI_ERR_NR + i))
- panic("%s: %s (0x%x) found!\n",
- dev_name(dev),
+ if (err_value & BIT(AXI_ERR_NR + i)) {
+ dev_warn(dev, "%s (0x%x) found!\n",
fifo_err_info[i], irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+ }
}
}
@@ -2541,15 +3134,17 @@ static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
if (irq_value & BIT(ENT_INT_SRC3_LM_OFF)) {
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
1 << ENT_INT_SRC3_LM_OFF);
- panic("%s: LM add/fetch list error (0x%x) found!\n",
- dev_name(dev), irq_value);
+ dev_warn(dev, "LM add/fetch list error (0x%x) found!\n",
+ irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
if (irq_value & BIT(ENT_INT_SRC3_ABT_OFF)) {
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
1 << ENT_INT_SRC3_ABT_OFF);
- panic("%s: SAS_HGC_ABT fetch LM list error (0x%x) found!\n",
- dev_name(dev), irq_value);
+ dev_warn(dev, "SAS_HGC_ABT fetch LM list error (0x%x) found!\n",
+ irq_value);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
}
@@ -2568,6 +3163,9 @@ static void cq_tasklet_v2_hw(unsigned long val)
u32 rd_point = cq->rd_point, wr_point, dev_id;
int queue = cq->id;
+ if (unlikely(hisi_hba->reject_stp_links_msk))
+ phys_try_accept_stp_links_v2_hw(hisi_hba);
+
complete_queue = hisi_hba->complete_hdr[queue];
spin_lock(&hisi_hba->lock);
@@ -2600,7 +3198,7 @@ static void cq_tasklet_v2_hw(unsigned long val)
slot = &hisi_hba->slot_info[iptt];
slot->cmplt_queue_slot = rd_point;
slot->cmplt_queue = queue;
- slot_complete_v2_hw(hisi_hba, slot, 0);
+ slot_complete_v2_hw(hisi_hba, slot);
act_tmp &= ~(1 << ncq_tag_count);
ncq_tag_count = ffs(act_tmp);
@@ -2610,7 +3208,7 @@ static void cq_tasklet_v2_hw(unsigned long val)
slot = &hisi_hba->slot_info[iptt];
slot->cmplt_queue_slot = rd_point;
slot->cmplt_queue = queue;
- slot_complete_v2_hw(hisi_hba, slot, 0);
+ slot_complete_v2_hw(hisi_hba, slot);
}
if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
@@ -2842,6 +3440,8 @@ static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
{
int rc;
+ memset(hisi_hba->sata_dev_bitmap, 0, sizeof(hisi_hba->sata_dev_bitmap));
+
rc = hw_init_v2_hw(hisi_hba);
if (rc)
return rc;
@@ -2850,7 +3450,88 @@ static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
if (rc)
return rc;
- phys_init_v2_hw(hisi_hba);
+ return 0;
+}
+
+static void interrupt_disable_v2_hw(struct hisi_hba *hisi_hba)
+{
+ struct platform_device *pdev = hisi_hba->pdev;
+ int i;
+
+ for (i = 0; i < hisi_hba->queue_count; i++)
+ hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
+
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
+ hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
+
+ for (i = 0; i < hisi_hba->n_phy; i++) {
+ hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
+ hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
+ }
+
+ for (i = 0; i < 128; i++)
+ synchronize_irq(platform_get_irq(pdev, i));
+}
+
+static int soft_reset_v2_hw(struct hisi_hba *hisi_hba)
+{
+ struct device *dev = &hisi_hba->pdev->dev;
+ u32 old_state, state;
+ int rc, cnt;
+ int phy_no;
+
+ old_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+
+ interrupt_disable_v2_hw(hisi_hba);
+ hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
+
+ stop_phys_v2_hw(hisi_hba);
+
+ mdelay(10);
+
+ hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + AM_CTRL_GLOBAL, 0x1);
+
+ /* wait until bus idle */
+ cnt = 0;
+ while (1) {
+ u32 status = hisi_sas_read32_relaxed(hisi_hba,
+ AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN);
+
+ if (status == 0x3)
+ break;
+
+ udelay(10);
+ if (cnt++ > 10) {
+ dev_info(dev, "wait axi bus state to idle timeout!\n");
+ return -1;
+ }
+ }
+
+ hisi_sas_init_mem(hisi_hba);
+
+ rc = hw_init_v2_hw(hisi_hba);
+ if (rc)
+ return rc;
+
+ phys_reject_stp_links_v2_hw(hisi_hba);
+
+ /* Re-enable the PHYs */
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ if (sas_phy->enabled)
+ start_phy_v2_hw(hisi_hba, phy_no);
+ }
+
+ /* Wait for the PHYs to come up and read the PHY state */
+ msleep(1000);
+
+ state = hisi_sas_read32(hisi_hba, PHY_STATE);
+
+ hisi_sas_rescan_topology(hisi_hba, old_state, state);
return 0;
}
@@ -2870,6 +3551,7 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = {
.get_free_slot = get_free_slot_v2_hw,
.start_delivery = start_delivery_v2_hw,
.slot_complete = slot_complete_v2_hw,
+ .phys_init = phys_init_v2_hw,
.phy_enable = enable_phy_v2_hw,
.phy_disable = disable_phy_v2_hw,
.phy_hard_reset = phy_hard_reset_v2_hw,
@@ -2877,6 +3559,7 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = {
.phy_get_max_linkrate = phy_get_max_linkrate_v2_hw,
.max_command_entries = HISI_SAS_COMMAND_ENTRIES_V2_HW,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr),
+ .soft_reset = soft_reset_v2_hw,
};
static int hisi_sas_v2_probe(struct platform_device *pdev)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 9d659aaace15..73daace478cb 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -60,7 +60,7 @@
* HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.'
* with an optional trailing '-' followed by a byte value (0-255).
*/
-#define HPSA_DRIVER_VERSION "3.4.16-0"
+#define HPSA_DRIVER_VERSION "3.4.18-0"
#define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")"
#define HPSA "hpsa"
@@ -108,10 +108,12 @@ static const struct pci_device_id hpsa_pci_device_id[] = {
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSF, 0x103C, 0x3354},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSF, 0x103C, 0x3355},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSF, 0x103C, 0x3356},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103c, 0x1920},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1921},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1922},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1923},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1924},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103c, 0x1925},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1926},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1928},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1929},
@@ -171,10 +173,12 @@ static struct board_type products[] = {
{0x3354103C, "Smart Array P420i", &SA5_access},
{0x3355103C, "Smart Array P220i", &SA5_access},
{0x3356103C, "Smart Array P721m", &SA5_access},
+ {0x1920103C, "Smart Array P430i", &SA5_access},
{0x1921103C, "Smart Array P830i", &SA5_access},
{0x1922103C, "Smart Array P430", &SA5_access},
{0x1923103C, "Smart Array P431", &SA5_access},
{0x1924103C, "Smart Array P830", &SA5_access},
+ {0x1925103C, "Smart Array P831", &SA5_access},
{0x1926103C, "Smart Array P731m", &SA5_access},
{0x1928103C, "Smart Array P230i", &SA5_access},
{0x1929103C, "Smart Array P530", &SA5_access},
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 2c92dabb55f6..26cd3c28186a 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3910,12 +3910,6 @@ static int ibmvfc_alloc_target(struct ibmvfc_host *vhost, u64 scsi_id)
spin_unlock_irqrestore(vhost->host->host_lock, flags);
tgt = mempool_alloc(vhost->tgt_pool, GFP_NOIO);
- if (!tgt) {
- dev_err(vhost->dev, "Target allocation failure for scsi id %08llx\n",
- scsi_id);
- return -ENOMEM;
- }
-
memset(tgt, 0, sizeof(*tgt));
tgt->scsi_id = scsi_id;
tgt->new_scsi_id = scsi_id;
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5d5e272fd815..b0c68d24db01 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -820,7 +820,7 @@ static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
}
/**
- * ipr_sata_eh_done - done function for aborted SATA commands
+ * __ipr_sata_eh_done - done function for aborted SATA commands
* @ipr_cmd: ipr command struct
*
* This function is invoked for ops generated to SATA
@@ -829,19 +829,41 @@ static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
* Return value:
* none
**/
-static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd)
+static void __ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd)
{
struct ata_queued_cmd *qc = ipr_cmd->qc;
struct ipr_sata_port *sata_port = qc->ap->private_data;
qc->err_mask |= AC_ERR_OTHER;
sata_port->ioasa.status |= ATA_BUSY;
- list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
ata_qc_complete(qc);
+ if (ipr_cmd->eh_comp)
+ complete(ipr_cmd->eh_comp);
+ list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
}
/**
- * ipr_scsi_eh_done - mid-layer done function for aborted ops
+ * ipr_sata_eh_done - done function for aborted SATA commands
+ * @ipr_cmd: ipr command struct
+ *
+ * This function is invoked for ops generated to SATA
+ * devices which are being aborted.
+ *
+ * Return value:
+ * none
+ **/
+static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd)
+{
+ struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq;
+ unsigned long hrrq_flags;
+
+ spin_lock_irqsave(&hrrq->_lock, hrrq_flags);
+ __ipr_sata_eh_done(ipr_cmd);
+ spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags);
+}
+
+/**
+ * __ipr_scsi_eh_done - mid-layer done function for aborted ops
* @ipr_cmd: ipr command struct
*
* This function is invoked by the interrupt handler for
@@ -850,7 +872,7 @@ static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd)
* Return value:
* none
**/
-static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
+static void __ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
{
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
@@ -864,6 +886,26 @@ static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
}
/**
+ * ipr_scsi_eh_done - mid-layer done function for aborted ops
+ * @ipr_cmd: ipr command struct
+ *
+ * This function is invoked by the interrupt handler for
+ * ops generated by the SCSI mid-layer which are being aborted.
+ *
+ * Return value:
+ * none
+ **/
+static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
+{
+ unsigned long hrrq_flags;
+ struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq;
+
+ spin_lock_irqsave(&hrrq->_lock, hrrq_flags);
+ __ipr_scsi_eh_done(ipr_cmd);
+ spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags);
+}
+
+/**
* ipr_fail_all_ops - Fails all outstanding ops.
* @ioa_cfg: ioa config struct
*
@@ -890,9 +932,9 @@ static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
cpu_to_be32(IPR_DRIVER_ILID);
if (ipr_cmd->scsi_cmd)
- ipr_cmd->done = ipr_scsi_eh_done;
+ ipr_cmd->done = __ipr_scsi_eh_done;
else if (ipr_cmd->qc)
- ipr_cmd->done = ipr_sata_eh_done;
+ ipr_cmd->done = __ipr_sata_eh_done;
ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH,
IPR_IOASC_IOA_WAS_RESET);
@@ -5006,6 +5048,42 @@ static int ipr_match_lun(struct ipr_cmnd *ipr_cmd, void *device)
}
/**
+ * ipr_cmnd_is_free - Check if a command is free or not
+ * @ipr_cmd ipr command struct
+ *
+ * Returns:
+ * true / false
+ **/
+static bool ipr_cmnd_is_free(struct ipr_cmnd *ipr_cmd)
+{
+ struct ipr_cmnd *loop_cmd;
+
+ list_for_each_entry(loop_cmd, &ipr_cmd->hrrq->hrrq_free_q, queue) {
+ if (loop_cmd == ipr_cmd)
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ipr_match_res - Match function for specified resource entry
+ * @ipr_cmd: ipr command struct
+ * @resource: resource entry to match
+ *
+ * Returns:
+ * 1 if command matches sdev / 0 if command does not match sdev
+ **/
+static int ipr_match_res(struct ipr_cmnd *ipr_cmd, void *resource)
+{
+ struct ipr_resource_entry *res = resource;
+
+ if (res && ipr_cmd->ioarcb.res_handle == res->res_handle)
+ return 1;
+ return 0;
+}
+
+/**
* ipr_wait_for_ops - Wait for matching commands to complete
* @ipr_cmd: ipr command struct
* @device: device to match (sdev)
@@ -5018,7 +5096,7 @@ static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device,
int (*match)(struct ipr_cmnd *, void *))
{
struct ipr_cmnd *ipr_cmd;
- int wait;
+ int wait, i;
unsigned long flags;
struct ipr_hrr_queue *hrrq;
signed long timeout = IPR_ABORT_TASK_TIMEOUT;
@@ -5030,10 +5108,13 @@ static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device,
for_each_hrrq(hrrq, ioa_cfg) {
spin_lock_irqsave(hrrq->lock, flags);
- list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) {
- if (match(ipr_cmd, device)) {
- ipr_cmd->eh_comp = &comp;
- wait++;
+ for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) {
+ ipr_cmd = ioa_cfg->ipr_cmnd_list[i];
+ if (!ipr_cmnd_is_free(ipr_cmd)) {
+ if (match(ipr_cmd, device)) {
+ ipr_cmd->eh_comp = &comp;
+ wait++;
+ }
}
}
spin_unlock_irqrestore(hrrq->lock, flags);
@@ -5047,10 +5128,13 @@ static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device,
for_each_hrrq(hrrq, ioa_cfg) {
spin_lock_irqsave(hrrq->lock, flags);
- list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) {
- if (match(ipr_cmd, device)) {
- ipr_cmd->eh_comp = NULL;
- wait++;
+ for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) {
+ ipr_cmd = ioa_cfg->ipr_cmnd_list[i];
+ if (!ipr_cmnd_is_free(ipr_cmd)) {
+ if (match(ipr_cmd, device)) {
+ ipr_cmd->eh_comp = NULL;
+ wait++;
+ }
}
}
spin_unlock_irqrestore(hrrq->lock, flags);
@@ -5179,7 +5263,7 @@ static int ipr_sata_reset(struct ata_link *link, unsigned int *classes,
struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg;
struct ipr_resource_entry *res;
unsigned long lock_flags = 0;
- int rc = -ENXIO;
+ int rc = -ENXIO, ret;
ENTER;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
@@ -5193,9 +5277,19 @@ static int ipr_sata_reset(struct ata_link *link, unsigned int *classes,
if (res) {
rc = ipr_device_reset(ioa_cfg, res);
*classes = res->ata_class;
- }
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+
+ ret = ipr_wait_for_ops(ioa_cfg, res, ipr_match_res);
+ if (ret != SUCCESS) {
+ spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+ ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV);
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+
+ wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+ }
+ } else
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
- spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
LEAVE;
return rc;
}
@@ -5217,16 +5311,13 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd)
struct ipr_ioa_cfg *ioa_cfg;
struct ipr_resource_entry *res;
struct ata_port *ap;
- int rc = 0;
+ int rc = 0, i;
struct ipr_hrr_queue *hrrq;
ENTER;
ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata;
res = scsi_cmd->device->hostdata;
- if (!res)
- return FAILED;
-
/*
* If we are currently going through reset/reload, return failed. This will force the
* mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the
@@ -5239,14 +5330,17 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd)
for_each_hrrq(hrrq, ioa_cfg) {
spin_lock(&hrrq->_lock);
- list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) {
+ for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) {
+ ipr_cmd = ioa_cfg->ipr_cmnd_list[i];
+
if (ipr_cmd->ioarcb.res_handle == res->res_handle) {
- if (ipr_cmd->scsi_cmd)
- ipr_cmd->done = ipr_scsi_eh_done;
- if (ipr_cmd->qc)
- ipr_cmd->done = ipr_sata_eh_done;
- if (ipr_cmd->qc &&
- !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) {
+ if (!ipr_cmd->qc)
+ continue;
+ if (ipr_cmnd_is_free(ipr_cmd))
+ continue;
+
+ ipr_cmd->done = ipr_sata_eh_done;
+ if (!(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) {
ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT;
ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED;
}
@@ -5262,19 +5356,6 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd)
spin_unlock_irq(scsi_cmd->device->host->host_lock);
ata_std_error_handler(ap);
spin_lock_irq(scsi_cmd->device->host->host_lock);
-
- for_each_hrrq(hrrq, ioa_cfg) {
- spin_lock(&hrrq->_lock);
- list_for_each_entry(ipr_cmd,
- &hrrq->hrrq_pending_q, queue) {
- if (ipr_cmd->ioarcb.res_handle ==
- res->res_handle) {
- rc = -EIO;
- break;
- }
- }
- spin_unlock(&hrrq->_lock);
- }
} else
rc = ipr_device_reset(ioa_cfg, res);
res->resetting_device = 0;
@@ -5288,15 +5369,24 @@ static int ipr_eh_dev_reset(struct scsi_cmnd *cmd)
{
int rc;
struct ipr_ioa_cfg *ioa_cfg;
+ struct ipr_resource_entry *res;
ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata;
+ res = cmd->device->hostdata;
+
+ if (!res)
+ return FAILED;
spin_lock_irq(cmd->device->host->host_lock);
rc = __ipr_eh_dev_reset(cmd);
spin_unlock_irq(cmd->device->host->host_lock);
- if (rc == SUCCESS)
- rc = ipr_wait_for_ops(ioa_cfg, cmd->device, ipr_match_lun);
+ if (rc == SUCCESS) {
+ if (ipr_is_gata(res) && res->sata_port)
+ rc = ipr_wait_for_ops(ioa_cfg, res, ipr_match_res);
+ else
+ rc = ipr_wait_for_ops(ioa_cfg, cmd->device, ipr_match_lun);
+ }
return rc;
}
@@ -5393,7 +5483,7 @@ static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd)
struct ipr_resource_entry *res;
struct ipr_cmd_pkt *cmd_pkt;
u32 ioasc, int_reg;
- int op_found = 0;
+ int i, op_found = 0;
struct ipr_hrr_queue *hrrq;
ENTER;
@@ -5422,11 +5512,12 @@ static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd)
for_each_hrrq(hrrq, ioa_cfg) {
spin_lock(&hrrq->_lock);
- list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) {
- if (ipr_cmd->scsi_cmd == scsi_cmd) {
- ipr_cmd->done = ipr_scsi_eh_done;
- op_found = 1;
- break;
+ for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) {
+ if (ioa_cfg->ipr_cmnd_list[i]->scsi_cmd == scsi_cmd) {
+ if (!ipr_cmnd_is_free(ioa_cfg->ipr_cmnd_list[i])) {
+ op_found = 1;
+ break;
+ }
}
}
spin_unlock(&hrrq->_lock);
@@ -5917,7 +6008,7 @@ static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg,
}
/**
- * ipr_erp_done - Process completion of ERP for a device
+ * __ipr_erp_done - Process completion of ERP for a device
* @ipr_cmd: ipr command struct
*
* This function copies the sense buffer into the scsi_cmd
@@ -5926,7 +6017,7 @@ static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg,
* Return value:
* nothing
**/
-static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
+static void __ipr_erp_done(struct ipr_cmnd *ipr_cmd)
{
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
@@ -5947,8 +6038,30 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
res->in_erp = 0;
}
scsi_dma_unmap(ipr_cmd->scsi_cmd);
- list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
scsi_cmd->scsi_done(scsi_cmd);
+ if (ipr_cmd->eh_comp)
+ complete(ipr_cmd->eh_comp);
+ list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
+}
+
+/**
+ * ipr_erp_done - Process completion of ERP for a device
+ * @ipr_cmd: ipr command struct
+ *
+ * This function copies the sense buffer into the scsi_cmd
+ * struct and pushes the scsi_done function.
+ *
+ * Return value:
+ * nothing
+ **/
+static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
+{
+ struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq;
+ unsigned long hrrq_flags;
+
+ spin_lock_irqsave(&hrrq->_lock, hrrq_flags);
+ __ipr_erp_done(ipr_cmd);
+ spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags);
}
/**
@@ -5983,7 +6096,7 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
}
/**
- * ipr_erp_request_sense - Send request sense to a device
+ * __ipr_erp_request_sense - Send request sense to a device
* @ipr_cmd: ipr command struct
*
* This function sends a request sense to a device as a result
@@ -5992,13 +6105,13 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
* Return value:
* nothing
**/
-static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
+static void __ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
{
struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
- ipr_erp_done(ipr_cmd);
+ __ipr_erp_done(ipr_cmd);
return;
}
@@ -6019,6 +6132,26 @@ static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
}
/**
+ * ipr_erp_request_sense - Send request sense to a device
+ * @ipr_cmd: ipr command struct
+ *
+ * This function sends a request sense to a device as a result
+ * of a check condition.
+ *
+ * Return value:
+ * nothing
+ **/
+static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
+{
+ struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq;
+ unsigned long hrrq_flags;
+
+ spin_lock_irqsave(&hrrq->_lock, hrrq_flags);
+ __ipr_erp_request_sense(ipr_cmd);
+ spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags);
+}
+
+/**
* ipr_erp_cancel_all - Send cancel all to a device
* @ipr_cmd: ipr command struct
*
@@ -6041,7 +6174,7 @@ static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd)
ipr_reinit_ipr_cmnd_for_erp(ipr_cmd);
if (!scsi_cmd->device->simple_tags) {
- ipr_erp_request_sense(ipr_cmd);
+ __ipr_erp_request_sense(ipr_cmd);
return;
}
@@ -6261,7 +6394,7 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK;
if (!res) {
- ipr_scsi_eh_done(ipr_cmd);
+ __ipr_scsi_eh_done(ipr_cmd);
return;
}
@@ -6343,8 +6476,10 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
}
scsi_dma_unmap(ipr_cmd->scsi_cmd);
- list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
scsi_cmd->scsi_done(scsi_cmd);
+ if (ipr_cmd->eh_comp)
+ complete(ipr_cmd->eh_comp);
+ list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
}
/**
@@ -6370,8 +6505,10 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd)
scsi_dma_unmap(scsi_cmd);
spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags);
- list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
scsi_cmd->scsi_done(scsi_cmd);
+ if (ipr_cmd->eh_comp)
+ complete(ipr_cmd->eh_comp);
+ list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags);
} else {
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index b7d2e98eb45b..e98a87a65335 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -39,8 +39,8 @@
/*
* Literals
*/
-#define IPR_DRIVER_VERSION "2.6.3"
-#define IPR_DRIVER_DATE "(October 17, 2015)"
+#define IPR_DRIVER_VERSION "2.6.4"
+#define IPR_DRIVER_DATE "(March 14, 2017)"
/*
* IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 0b5b5db0d0f8..45371179ab87 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -272,7 +272,6 @@ static void isci_unregister(struct isci_host *isci_host)
return;
shost = to_shost(isci_host);
- scsi_remove_host(shost);
sas_unregister_ha(&isci_host->sas_ha);
sas_remove_host(shost);
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 0e67621477a8..a808e8ef1d08 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -154,7 +154,7 @@ static struct fc_fcp_pkt *fc_fcp_pkt_alloc(struct fc_lport *lport, gfp_t gfp)
memset(fsp, 0, sizeof(*fsp));
fsp->lp = lport;
fsp->xfer_ddp = FC_XID_UNKNOWN;
- atomic_set(&fsp->ref_cnt, 1);
+ refcount_set(&fsp->ref_cnt, 1);
init_timer(&fsp->timer);
fsp->timer.data = (unsigned long)fsp;
INIT_LIST_HEAD(&fsp->list);
@@ -175,7 +175,7 @@ static struct fc_fcp_pkt *fc_fcp_pkt_alloc(struct fc_lport *lport, gfp_t gfp)
*/
static void fc_fcp_pkt_release(struct fc_fcp_pkt *fsp)
{
- if (atomic_dec_and_test(&fsp->ref_cnt)) {
+ if (refcount_dec_and_test(&fsp->ref_cnt)) {
struct fc_fcp_internal *si = fc_get_scsi_internal(fsp->lp);
mempool_free(fsp, si->scsi_pkt_pool);
@@ -188,7 +188,7 @@ static void fc_fcp_pkt_release(struct fc_fcp_pkt *fsp)
*/
static void fc_fcp_pkt_hold(struct fc_fcp_pkt *fsp)
{
- atomic_inc(&fsp->ref_cnt);
+ refcount_inc(&fsp->ref_cnt);
}
/**
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index aa76f36abe03..2fd0ec651170 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -887,8 +887,6 @@ out:
static void fc_lport_recv_els_req(struct fc_lport *lport,
struct fc_frame *fp)
{
- void (*recv)(struct fc_lport *, struct fc_frame *);
-
mutex_lock(&lport->lp_mutex);
/*
@@ -902,31 +900,31 @@ static void fc_lport_recv_els_req(struct fc_lport *lport,
/*
* Check opcode.
*/
- recv = fc_rport_recv_req;
switch (fc_frame_payload_op(fp)) {
case ELS_FLOGI:
if (!lport->point_to_multipoint)
- recv = fc_lport_recv_flogi_req;
+ fc_lport_recv_flogi_req(lport, fp);
break;
case ELS_LOGO:
if (fc_frame_sid(fp) == FC_FID_FLOGI)
- recv = fc_lport_recv_logo_req;
+ fc_lport_recv_logo_req(lport, fp);
break;
case ELS_RSCN:
- recv = lport->tt.disc_recv_req;
+ lport->tt.disc_recv_req(lport, fp);
break;
case ELS_ECHO:
- recv = fc_lport_recv_echo_req;
+ fc_lport_recv_echo_req(lport, fp);
break;
case ELS_RLIR:
- recv = fc_lport_recv_rlir_req;
+ fc_lport_recv_rlir_req(lport, fp);
break;
case ELS_RNID:
- recv = fc_lport_recv_rnid_req;
+ fc_lport_recv_rnid_req(lport, fp);
+ break;
+ default:
+ fc_rport_recv_req(lport, fp);
break;
}
-
- recv(lport, fp);
}
mutex_unlock(&lport->lp_mutex);
}
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 894b1e3ebd56..dd6828f7f772 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -517,13 +517,13 @@ static void iscsi_free_task(struct iscsi_task *task)
void __iscsi_get_task(struct iscsi_task *task)
{
- atomic_inc(&task->refcount);
+ refcount_inc(&task->refcount);
}
EXPORT_SYMBOL_GPL(__iscsi_get_task);
void __iscsi_put_task(struct iscsi_task *task)
{
- if (atomic_dec_and_test(&task->refcount))
+ if (refcount_dec_and_test(&task->refcount))
iscsi_free_task(task);
}
EXPORT_SYMBOL_GPL(__iscsi_put_task);
@@ -749,7 +749,7 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
* released by the lld when it has transmitted the task for
* pdus we do not expect a response for.
*/
- atomic_set(&task->refcount, 1);
+ refcount_set(&task->refcount, 1);
task->conn = conn;
task->sc = NULL;
INIT_LIST_HEAD(&task->running);
@@ -1638,7 +1638,7 @@ static inline struct iscsi_task *iscsi_alloc_task(struct iscsi_conn *conn,
sc->SCp.phase = conn->session->age;
sc->SCp.ptr = (char *) task;
- atomic_set(&task->refcount, 1);
+ refcount_set(&task->refcount, 1);
task->state = ISCSI_TASK_PENDING;
task->conn = conn;
task->sc = sc;
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index 15ef8e2e685c..64e9cdda1c3c 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -566,13 +566,6 @@ sas_domain_attach_transport(struct sas_domain_function_template *dft)
}
EXPORT_SYMBOL_GPL(sas_domain_attach_transport);
-
-void sas_domain_release_transport(struct scsi_transport_template *stt)
-{
- sas_release_transport(stt);
-}
-EXPORT_SYMBOL_GPL(sas_domain_release_transport);
-
/* ---------- SAS Class register/unregister ---------- */
static int __init sas_class_init(void)
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 9bd55bce83af..87e5079d816b 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -491,9 +491,6 @@ int sas_eh_abort_handler(struct scsi_cmnd *cmd)
struct Scsi_Host *host = cmd->device->host;
struct sas_internal *i = to_sas_internal(host->transportt);
- if (current != host->ehandler)
- return FAILED;
-
if (!i->dft->lldd_abort_task)
return FAILED;
@@ -616,8 +613,6 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
SAS_DPRINTK("trying to find task 0x%p\n", task);
res = sas_scsi_find_task(task);
- cmd->eh_eflags = 0;
-
switch (res) {
case TASK_IS_DONE:
SAS_DPRINTK("%s: task 0x%p is done\n", __func__,
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 513fd07715cd..4830370bfab1 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -181,7 +181,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
wwn_to_u64(vport->fc_nodename.u.wwn),
phba->targetport->port_id);
- len += snprintf(buf + len, PAGE_SIZE,
+ len += snprintf(buf + len, PAGE_SIZE - len,
"\nNVME Target: Statistics\n");
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
len += snprintf(buf+len, PAGE_SIZE-len,
@@ -326,7 +326,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
}
spin_unlock_irq(shost->host_lock);
- len += snprintf(buf + len, PAGE_SIZE, "\nNVME Statistics\n");
+ len += snprintf(buf + len, PAGE_SIZE - len, "\nNVME Statistics\n");
len += snprintf(buf+len, PAGE_SIZE-len,
"LS: Xmt %016llx Cmpl %016llx\n",
phba->fc4NvmeLsRequests,
diff --git a/drivers/scsi/mac_esp.c b/drivers/scsi/mac_esp.c
index bb567d3b0693..cdb61eaa2d1f 100644
--- a/drivers/scsi/mac_esp.c
+++ b/drivers/scsi/mac_esp.c
@@ -55,6 +55,7 @@ struct mac_esp_priv {
int error;
};
static struct esp *esp_chips[2];
+static DEFINE_SPINLOCK(esp_chips_lock);
#define MAC_ESP_GET_PRIV(esp) ((struct mac_esp_priv *) \
platform_get_drvdata((struct platform_device *) \
@@ -562,15 +563,18 @@ static int esp_mac_probe(struct platform_device *dev)
}
host->irq = IRQ_MAC_SCSI;
- esp_chips[dev->id] = esp;
- mb();
- if (esp_chips[!dev->id] == NULL) {
- err = request_irq(host->irq, mac_scsi_esp_intr, 0, "ESP", NULL);
- if (err < 0) {
- esp_chips[dev->id] = NULL;
- goto fail_free_priv;
- }
+
+ /* The request_irq() call is intended to succeed for the first device
+ * and fail for the second device.
+ */
+ err = request_irq(host->irq, mac_scsi_esp_intr, 0, "ESP", NULL);
+ spin_lock(&esp_chips_lock);
+ if (err < 0 && esp_chips[!dev->id] == NULL) {
+ spin_unlock(&esp_chips_lock);
+ goto fail_free_priv;
}
+ esp_chips[dev->id] = esp;
+ spin_unlock(&esp_chips_lock);
err = scsi_esp_register(esp, &dev->dev);
if (err)
@@ -579,8 +583,13 @@ static int esp_mac_probe(struct platform_device *dev)
return 0;
fail_free_irq:
- if (esp_chips[!dev->id] == NULL)
- free_irq(host->irq, esp);
+ spin_lock(&esp_chips_lock);
+ esp_chips[dev->id] = NULL;
+ if (esp_chips[!dev->id] == NULL) {
+ spin_unlock(&esp_chips_lock);
+ free_irq(host->irq, NULL);
+ } else
+ spin_unlock(&esp_chips_lock);
fail_free_priv:
kfree(mep);
fail_free_command_block:
@@ -599,9 +608,13 @@ static int esp_mac_remove(struct platform_device *dev)
scsi_esp_unregister(esp);
+ spin_lock(&esp_chips_lock);
esp_chips[dev->id] = NULL;
- if (!(esp_chips[0] || esp_chips[1]))
+ if (esp_chips[!dev->id] == NULL) {
+ spin_unlock(&esp_chips_lock);
free_irq(irq, NULL);
+ } else
+ spin_unlock(&esp_chips_lock);
kfree(mep);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 5b7aec5d575a..18039bba26c4 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -1025,7 +1025,6 @@ _base_interrupt(int irq, void *bus_id)
0 : ioc->reply_free_host_index + 1;
ioc->reply_free[ioc->reply_free_host_index] =
cpu_to_le32(reply);
- wmb();
writel(ioc->reply_free_host_index,
&ioc->chip->ReplyFreeHostIndex);
}
@@ -1074,7 +1073,6 @@ _base_interrupt(int irq, void *bus_id)
return IRQ_NONE;
}
- wmb();
if (ioc->is_warpdrive) {
writel(reply_q->reply_post_host_index,
ioc->reply_post_host_index[msix_index]);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 919ba2bb15f1..a5d872664257 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -8283,7 +8283,6 @@ static void scsih_remove(struct pci_dev *pdev)
}
sas_remove_host(shost);
- scsi_remove_host(shost);
mpt3sas_base_detach(ioc);
spin_lock(&gioc_lock);
list_del(&ioc->list);
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 8280046fd1f0..4e047b5001a6 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -642,7 +642,6 @@ static void mvs_pci_remove(struct pci_dev *pdev)
tasklet_kill(&((struct mvs_prv_info *)sha->lldd_ha)->mv_tasklet);
#endif
- scsi_remove_host(mvi->shost);
sas_unregister_ha(sha);
sas_remove_host(mvi->shost);
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index 247df5e79b71..fe97401ad192 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -210,39 +210,27 @@ static int mvumi_make_sgl(struct mvumi_hba *mhba, struct scsi_cmnd *scmd,
unsigned int sgnum = scsi_sg_count(scmd);
dma_addr_t busaddr;
- if (sgnum) {
- sg = scsi_sglist(scmd);
- *sg_count = pci_map_sg(mhba->pdev, sg, sgnum,
- (int) scmd->sc_data_direction);
- if (*sg_count > mhba->max_sge) {
- dev_err(&mhba->pdev->dev, "sg count[0x%x] is bigger "
- "than max sg[0x%x].\n",
- *sg_count, mhba->max_sge);
- return -1;
- }
- for (i = 0; i < *sg_count; i++) {
- busaddr = sg_dma_address(&sg[i]);
- m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr));
- m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr));
- m_sg->flags = 0;
- sgd_setsz(mhba, m_sg, cpu_to_le32(sg_dma_len(&sg[i])));
- if ((i + 1) == *sg_count)
- m_sg->flags |= 1U << mhba->eot_flag;
-
- sgd_inc(mhba, m_sg);
- }
- } else {
- scmd->SCp.dma_handle = scsi_bufflen(scmd) ?
- pci_map_single(mhba->pdev, scsi_sglist(scmd),
- scsi_bufflen(scmd),
- (int) scmd->sc_data_direction)
- : 0;
- busaddr = scmd->SCp.dma_handle;
+ sg = scsi_sglist(scmd);
+ *sg_count = pci_map_sg(mhba->pdev, sg, sgnum,
+ (int) scmd->sc_data_direction);
+ if (*sg_count > mhba->max_sge) {
+ dev_err(&mhba->pdev->dev,
+ "sg count[0x%x] is bigger than max sg[0x%x].\n",
+ *sg_count, mhba->max_sge);
+ pci_unmap_sg(mhba->pdev, sg, sgnum,
+ (int) scmd->sc_data_direction);
+ return -1;
+ }
+ for (i = 0; i < *sg_count; i++) {
+ busaddr = sg_dma_address(&sg[i]);
m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr));
m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr));
- m_sg->flags = 1U << mhba->eot_flag;
- sgd_setsz(mhba, m_sg, cpu_to_le32(scsi_bufflen(scmd)));
- *sg_count = 1;
+ m_sg->flags = 0;
+ sgd_setsz(mhba, m_sg, cpu_to_le32(sg_dma_len(&sg[i])));
+ if ((i + 1) == *sg_count)
+ m_sg->flags |= 1U << mhba->eot_flag;
+
+ sgd_inc(mhba, m_sg);
}
return 0;
@@ -1350,21 +1338,10 @@ static void mvumi_complete_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
break;
}
- if (scsi_bufflen(scmd)) {
- if (scsi_sg_count(scmd)) {
- pci_unmap_sg(mhba->pdev,
- scsi_sglist(scmd),
- scsi_sg_count(scmd),
- (int) scmd->sc_data_direction);
- } else {
- pci_unmap_single(mhba->pdev,
- scmd->SCp.dma_handle,
- scsi_bufflen(scmd),
- (int) scmd->sc_data_direction);
-
- scmd->SCp.dma_handle = 0;
- }
- }
+ if (scsi_bufflen(scmd))
+ pci_unmap_sg(mhba->pdev, scsi_sglist(scmd),
+ scsi_sg_count(scmd),
+ (int) scmd->sc_data_direction);
cmd->scmd->scsi_done(scmd);
mvumi_return_cmd(mhba, cmd);
}
@@ -2171,19 +2148,9 @@ static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd)
scmd->result = (DRIVER_INVALID << 24) | (DID_ABORT << 16);
scmd->SCp.ptr = NULL;
if (scsi_bufflen(scmd)) {
- if (scsi_sg_count(scmd)) {
- pci_unmap_sg(mhba->pdev,
- scsi_sglist(scmd),
- scsi_sg_count(scmd),
- (int)scmd->sc_data_direction);
- } else {
- pci_unmap_single(mhba->pdev,
- scmd->SCp.dma_handle,
- scsi_bufflen(scmd),
- (int)scmd->sc_data_direction);
-
- scmd->SCp.dma_handle = 0;
- }
+ pci_unmap_sg(mhba->pdev, scsi_sglist(scmd),
+ scsi_sg_count(scmd),
+ (int)scmd->sc_data_direction);
}
mvumi_return_cmd(mhba, cmd);
spin_unlock_irqrestore(mhba->shost->host_lock, flags);
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
index e0ce5d2fd14d..ed948025112c 100644
--- a/drivers/scsi/osd/osd_uld.c
+++ b/drivers/scsi/osd/osd_uld.c
@@ -464,14 +464,15 @@ static int osd_probe(struct device *dev)
/* hold one more reference to the scsi_device that will get released
* in __release, in case a logout is happening while fs is mounted
*/
- scsi_device_get(scsi_device);
+ if (scsi_device_get(scsi_device))
+ goto err_put_disk;
osd_dev_init(&oud->od, scsi_device);
/* Detect the OSD Version */
error = __detect_osd(oud);
if (error) {
OSD_ERR("osd detection failed, non-compatible OSD device\n");
- goto err_put_disk;
+ goto err_put_sdev;
}
/* init the char-device for communication with user-mode */
@@ -508,8 +509,9 @@ static int osd_probe(struct device *dev)
err_put_cdev:
cdev_del(&oud->cdev);
-err_put_disk:
+err_put_sdev:
scsi_device_put(scsi_device);
+err_put_disk:
put_disk(disk);
err_free_osd:
dev_set_drvdata(dev, NULL);
@@ -524,10 +526,9 @@ static int osd_remove(struct device *dev)
struct scsi_device *scsi_device = to_scsi_device(dev);
struct osd_uld_device *oud = dev_get_drvdata(dev);
- if (!oud || (oud->od.scsi_device != scsi_device)) {
- OSD_ERR("Half cooked osd-device %p,%p || %p!=%p",
- dev, oud, oud ? oud->od.scsi_device : NULL,
- scsi_device);
+ if (oud->od.scsi_device != scsi_device) {
+ OSD_ERR("Half cooked osd-device %p, || %p!=%p",
+ dev, oud->od.scsi_device, scsi_device);
}
device_unregister(&oud->class_dev);
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 417368ccb686..034b2f7d1135 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -1088,7 +1088,6 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
struct pm8001_hba_info *pm8001_ha;
int i, j;
pm8001_ha = sha->lldd_ha;
- scsi_remove_host(pm8001_ha->shost);
sas_unregister_ha(sha);
sas_remove_host(pm8001_ha->shost);
list_del(&pm8001_ha->list);
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 49e70a383afa..a4aadf5f4dc6 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -77,7 +77,7 @@ static atomic_t pmcraid_adapter_count = ATOMIC_INIT(0);
*/
static unsigned int pmcraid_major;
static struct class *pmcraid_class;
-DECLARE_BITMAP(pmcraid_minor, PMCRAID_MAX_ADAPTERS);
+static DECLARE_BITMAP(pmcraid_minor, PMCRAID_MAX_ADAPTERS);
/*
* Module parameters
@@ -175,7 +175,7 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
if (fw_version <= PMCRAID_FW_VERSION_1)
target = temp->cfg_entry.unique_flags1;
else
- target = temp->cfg_entry.array_id & 0xFF;
+ target = le16_to_cpu(temp->cfg_entry.array_id) & 0xFF;
if (target > PMCRAID_MAX_VSET_TARGETS)
continue;
@@ -330,7 +330,7 @@ static void pmcraid_init_cmdblk(struct pmcraid_cmd *cmd, int index)
ioarcb->request_flags0 = 0;
ioarcb->request_flags1 = 0;
ioarcb->cmd_timeout = 0;
- ioarcb->ioarcb_bus_addr &= (~0x1FULL);
+ ioarcb->ioarcb_bus_addr &= cpu_to_le64(~0x1FULL);
ioarcb->ioadl_bus_addr = 0;
ioarcb->ioadl_length = 0;
ioarcb->data_transfer_length = 0;
@@ -345,7 +345,7 @@ static void pmcraid_init_cmdblk(struct pmcraid_cmd *cmd, int index)
cmd->scsi_cmd = NULL;
cmd->release = 0;
cmd->completion_req = 0;
- cmd->sense_buffer = 0;
+ cmd->sense_buffer = NULL;
cmd->sense_buffer_dma = 0;
cmd->dma_handle = 0;
init_timer(&cmd->timer);
@@ -898,8 +898,7 @@ static void _pmcraid_fire_command(struct pmcraid_cmd *cmd)
/* driver writes lower 32-bit value of IOARCB address only */
mb();
- iowrite32(le32_to_cpu(cmd->ioa_cb->ioarcb.ioarcb_bus_addr),
- pinstance->ioarrin);
+ iowrite32(le64_to_cpu(cmd->ioa_cb->ioarcb.ioarcb_bus_addr), pinstance->ioarrin);
}
/**
@@ -1051,7 +1050,7 @@ static void pmcraid_get_fwversion(struct pmcraid_cmd *cmd)
offsetof(struct pmcraid_ioarcb,
add_data.u.ioadl[0]));
ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc));
- ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
+ ioarcb->ioarcb_bus_addr &= cpu_to_le64(~(0x1FULL));
ioarcb->request_flags0 |= NO_LINK_DESCS;
ioarcb->data_transfer_length = cpu_to_le32(data_size);
@@ -1077,7 +1076,7 @@ static void pmcraid_identify_hrrq(struct pmcraid_cmd *cmd)
struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
int index = cmd->hrrq_index;
__be64 hrrq_addr = cpu_to_be64(pinstance->hrrq_start_bus_addr[index]);
- u32 hrrq_size = cpu_to_be32(sizeof(u32) * PMCRAID_MAX_CMD);
+ __be32 hrrq_size = cpu_to_be32(sizeof(u32) * PMCRAID_MAX_CMD);
void (*done_function)(struct pmcraid_cmd *);
pmcraid_reinit_cmdblk(cmd);
@@ -1202,7 +1201,7 @@ static struct pmcraid_cmd *pmcraid_init_hcam
ioadl[0].flags |= IOADL_FLAGS_READ_LAST;
ioadl[0].data_len = cpu_to_le32(rcb_size);
- ioadl[0].address = cpu_to_le32(dma);
+ ioadl[0].address = cpu_to_le64(dma);
cmd->cmd_done = cmd_done;
return cmd;
@@ -1237,7 +1236,13 @@ static void pmcraid_prepare_cancel_cmd(
)
{
struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
- __be64 ioarcb_addr = cmd_to_cancel->ioa_cb->ioarcb.ioarcb_bus_addr;
+ __be64 ioarcb_addr;
+
+ /* IOARCB address of the command to be cancelled is given in
+ * cdb[2]..cdb[9] is Big-Endian format. Note that length bits in
+ * IOARCB address are not masked.
+ */
+ ioarcb_addr = cpu_to_be64(le64_to_cpu(cmd_to_cancel->ioa_cb->ioarcb.ioarcb_bus_addr));
/* Get the resource handle to where the command to be aborted has been
* sent.
@@ -1247,11 +1252,6 @@ static void pmcraid_prepare_cancel_cmd(
memset(ioarcb->cdb, 0, PMCRAID_MAX_CDB_LEN);
ioarcb->cdb[0] = PMCRAID_ABORT_CMD;
- /* IOARCB address of the command to be cancelled is given in
- * cdb[2]..cdb[9] is Big-Endian format. Note that length bits in
- * IOARCB address are not masked.
- */
- ioarcb_addr = cpu_to_be64(ioarcb_addr);
memcpy(&(ioarcb->cdb[2]), &ioarcb_addr, sizeof(ioarcb_addr));
}
@@ -1493,7 +1493,7 @@ static int pmcraid_notify_ccn(struct pmcraid_instance *pinstance)
{
return pmcraid_notify_aen(pinstance,
pinstance->ccn.msg,
- pinstance->ccn.hcam->data_len +
+ le32_to_cpu(pinstance->ccn.hcam->data_len) +
sizeof(struct pmcraid_hcam_hdr));
}
@@ -1508,7 +1508,7 @@ static int pmcraid_notify_ldn(struct pmcraid_instance *pinstance)
{
return pmcraid_notify_aen(pinstance,
pinstance->ldn.msg,
- pinstance->ldn.hcam->data_len +
+ le32_to_cpu(pinstance->ldn.hcam->data_len) +
sizeof(struct pmcraid_hcam_hdr));
}
@@ -1556,10 +1556,10 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
pmcraid_info("CCN(%x): %x timestamp: %llx type: %x lost: %x flags: %x \
res: %x:%x:%x:%x\n",
- pinstance->ccn.hcam->ilid,
+ le32_to_cpu(pinstance->ccn.hcam->ilid),
pinstance->ccn.hcam->op_code,
- ((pinstance->ccn.hcam->timestamp1) |
- ((pinstance->ccn.hcam->timestamp2 & 0xffffffffLL) << 32)),
+ (le32_to_cpu(pinstance->ccn.hcam->timestamp1) |
+ ((le32_to_cpu(pinstance->ccn.hcam->timestamp2) & 0xffffffffLL) << 32)),
pinstance->ccn.hcam->notification_type,
pinstance->ccn.hcam->notification_lost,
pinstance->ccn.hcam->flags,
@@ -1570,7 +1570,7 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
RES_IS_VSET(*cfg_entry) ?
(fw_version <= PMCRAID_FW_VERSION_1 ?
cfg_entry->unique_flags1 :
- cfg_entry->array_id & 0xFF) :
+ le16_to_cpu(cfg_entry->array_id) & 0xFF) :
RES_TARGET(cfg_entry->resource_address),
RES_LUN(cfg_entry->resource_address));
@@ -1658,7 +1658,7 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
if (fw_version <= PMCRAID_FW_VERSION_1)
res->cfg_entry.unique_flags1 &= 0x7F;
else
- res->cfg_entry.array_id &= 0xFF;
+ res->cfg_entry.array_id &= cpu_to_le16(0xFF);
res->change_detected = RES_CHANGE_DEL;
res->cfg_entry.resource_handle =
PMCRAID_INVALID_RES_HANDLE;
@@ -1716,8 +1716,8 @@ static void pmcraid_ioasc_logger(u32 ioasc, struct pmcraid_cmd *cmd)
/* log the error string */
pmcraid_err("cmd [%x] for resource %x failed with %x(%s)\n",
cmd->ioa_cb->ioarcb.cdb[0],
- cmd->ioa_cb->ioarcb.resource_handle,
- le32_to_cpu(ioasc), error_info->error_string);
+ le32_to_cpu(cmd->ioa_cb->ioarcb.resource_handle),
+ ioasc, error_info->error_string);
}
/**
@@ -2034,7 +2034,7 @@ static void pmcraid_fail_outstanding_cmds(struct pmcraid_instance *pinstance)
cmd->ioa_cb->ioasa.ioasc =
cpu_to_le32(PMCRAID_IOASC_IOA_WAS_RESET);
cmd->ioa_cb->ioasa.ilid =
- cpu_to_be32(PMCRAID_DRIVER_ILID);
+ cpu_to_le32(PMCRAID_DRIVER_ILID);
/* In case the command timer is still running */
del_timer(&cmd->timer);
@@ -2373,46 +2373,43 @@ static int pmcraid_reset_reload(
spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
if (pinstance->ioa_state == IOA_STATE_DEAD) {
- spin_unlock_irqrestore(pinstance->host->host_lock,
- lock_flags);
pmcraid_info("reset_reload: IOA is dead\n");
- return reset;
- } else if (pinstance->ioa_state == target_state) {
+ goto out_unlock;
+ }
+
+ if (pinstance->ioa_state == target_state) {
reset = 0;
+ goto out_unlock;
}
}
- if (reset) {
- pmcraid_info("reset_reload: proceeding with reset\n");
- scsi_block_requests(pinstance->host);
- reset_cmd = pmcraid_get_free_cmd(pinstance);
-
- if (reset_cmd == NULL) {
- pmcraid_err("no free cmnd for reset_reload\n");
- spin_unlock_irqrestore(pinstance->host->host_lock,
- lock_flags);
- return reset;
- }
+ pmcraid_info("reset_reload: proceeding with reset\n");
+ scsi_block_requests(pinstance->host);
+ reset_cmd = pmcraid_get_free_cmd(pinstance);
+ if (reset_cmd == NULL) {
+ pmcraid_err("no free cmnd for reset_reload\n");
+ goto out_unlock;
+ }
- if (shutdown_type == SHUTDOWN_NORMAL)
- pinstance->ioa_bringdown = 1;
+ if (shutdown_type == SHUTDOWN_NORMAL)
+ pinstance->ioa_bringdown = 1;
- pinstance->ioa_shutdown_type = shutdown_type;
- pinstance->reset_cmd = reset_cmd;
- pinstance->force_ioa_reset = reset;
- pmcraid_info("reset_reload: initiating reset\n");
- pmcraid_ioa_reset(reset_cmd);
- spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
- pmcraid_info("reset_reload: waiting for reset to complete\n");
- wait_event(pinstance->reset_wait_q,
- !pinstance->ioa_reset_in_progress);
+ pinstance->ioa_shutdown_type = shutdown_type;
+ pinstance->reset_cmd = reset_cmd;
+ pinstance->force_ioa_reset = reset;
+ pmcraid_info("reset_reload: initiating reset\n");
+ pmcraid_ioa_reset(reset_cmd);
+ spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
+ pmcraid_info("reset_reload: waiting for reset to complete\n");
+ wait_event(pinstance->reset_wait_q,
+ !pinstance->ioa_reset_in_progress);
- pmcraid_info("reset_reload: reset is complete !!\n");
- scsi_unblock_requests(pinstance->host);
- if (pinstance->ioa_state == target_state)
- reset = 0;
- }
+ pmcraid_info("reset_reload: reset is complete !!\n");
+ scsi_unblock_requests(pinstance->host);
+ return pinstance->ioa_state != target_state;
+out_unlock:
+ spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
return reset;
}
@@ -2529,7 +2526,7 @@ static void pmcraid_cancel_all(struct pmcraid_cmd *cmd, u32 sense)
ioarcb->ioadl_bus_addr = 0;
ioarcb->ioadl_length = 0;
ioarcb->data_transfer_length = 0;
- ioarcb->ioarcb_bus_addr &= (~0x1FULL);
+ ioarcb->ioarcb_bus_addr &= cpu_to_le64((~0x1FULL));
/* writing to IOARRIN must be protected by host_lock, as mid-layer
* schedule queuecommand while we are doing this
@@ -2692,8 +2689,8 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
* mid-layer
*/
if (ioasa->auto_sense_length != 0) {
- short sense_len = ioasa->auto_sense_length;
- int data_size = min_t(u16, le16_to_cpu(sense_len),
+ short sense_len = le16_to_cpu(ioasa->auto_sense_length);
+ int data_size = min_t(u16, sense_len,
SCSI_SENSE_BUFFERSIZE);
memcpy(scsi_cmd->sense_buffer,
@@ -2915,7 +2912,7 @@ static struct pmcraid_cmd *pmcraid_abort_cmd(struct pmcraid_cmd *cmd)
pmcraid_info("aborting command CDB[0]= %x with index = %d\n",
cmd->ioa_cb->ioarcb.cdb[0],
- cmd->ioa_cb->ioarcb.response_handle >> 2);
+ le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle) >> 2);
init_completion(&cancel_cmd->wait_for_completion);
cancel_cmd->completion_req = 1;
@@ -3140,9 +3137,8 @@ pmcraid_init_ioadls(struct pmcraid_cmd *cmd, int sgcount)
int ioadl_count = 0;
if (ioarcb->add_cmd_param_length)
- ioadl_count = DIV_ROUND_UP(ioarcb->add_cmd_param_length, 16);
- ioarcb->ioadl_length =
- sizeof(struct pmcraid_ioadl_desc) * sgcount;
+ ioadl_count = DIV_ROUND_UP(le16_to_cpu(ioarcb->add_cmd_param_length), 16);
+ ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc) * sgcount);
if ((sgcount + ioadl_count) > (ARRAY_SIZE(ioarcb->add_data.u.ioadl))) {
/* external ioadls start at offset 0x80 from control_block
@@ -3150,7 +3146,7 @@ pmcraid_init_ioadls(struct pmcraid_cmd *cmd, int sgcount)
* It is necessary to indicate to firmware that driver is
* using ioadls to be treated as external to IOARCB.
*/
- ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
+ ioarcb->ioarcb_bus_addr &= cpu_to_le64(~(0x1FULL));
ioarcb->ioadl_bus_addr =
cpu_to_le64((cmd->ioa_cb_bus_addr) +
offsetof(struct pmcraid_ioarcb,
@@ -3164,7 +3160,7 @@ pmcraid_init_ioadls(struct pmcraid_cmd *cmd, int sgcount)
ioadl = &ioarcb->add_data.u.ioadl[ioadl_count];
ioarcb->ioarcb_bus_addr |=
- DIV_ROUND_CLOSEST(sgcount + ioadl_count, 8);
+ cpu_to_le64(DIV_ROUND_CLOSEST(sgcount + ioadl_count, 8));
}
return ioadl;
@@ -3325,7 +3321,7 @@ static struct pmcraid_sglist *pmcraid_alloc_sglist(int buflen)
*/
static int pmcraid_copy_sglist(
struct pmcraid_sglist *sglist,
- unsigned long buffer,
+ void __user *buffer,
u32 len,
int direction
)
@@ -3346,11 +3342,9 @@ static int pmcraid_copy_sglist(
kaddr = kmap(page);
if (direction == DMA_TO_DEVICE)
- rc = __copy_from_user(kaddr,
- (void *)buffer,
- bsize_elem);
+ rc = copy_from_user(kaddr, buffer, bsize_elem);
else
- rc = __copy_to_user((void *)buffer, kaddr, bsize_elem);
+ rc = copy_to_user(buffer, kaddr, bsize_elem);
kunmap(page);
@@ -3368,13 +3362,9 @@ static int pmcraid_copy_sglist(
kaddr = kmap(page);
if (direction == DMA_TO_DEVICE)
- rc = __copy_from_user(kaddr,
- (void *)buffer,
- len % bsize_elem);
+ rc = copy_from_user(kaddr, buffer, len % bsize_elem);
else
- rc = __copy_to_user((void *)buffer,
- kaddr,
- len % bsize_elem);
+ rc = copy_to_user(buffer, kaddr, len % bsize_elem);
kunmap(page);
@@ -3496,7 +3486,7 @@ static int pmcraid_queuecommand_lck(
RES_IS_VSET(res->cfg_entry) ?
(fw_version <= PMCRAID_FW_VERSION_1 ?
res->cfg_entry.unique_flags1 :
- res->cfg_entry.array_id & 0xFF) :
+ le16_to_cpu(res->cfg_entry.array_id) & 0xFF) :
RES_TARGET(res->cfg_entry.resource_address),
RES_LUN(res->cfg_entry.resource_address));
@@ -3652,17 +3642,17 @@ static long pmcraid_ioctl_passthrough(
struct pmcraid_instance *pinstance,
unsigned int ioctl_cmd,
unsigned int buflen,
- unsigned long arg
+ void __user *arg
)
{
struct pmcraid_passthrough_ioctl_buffer *buffer;
struct pmcraid_ioarcb *ioarcb;
struct pmcraid_cmd *cmd;
struct pmcraid_cmd *cancel_cmd;
- unsigned long request_buffer;
+ void __user *request_buffer;
unsigned long request_offset;
unsigned long lock_flags;
- void *ioasa;
+ void __user *ioasa;
u32 ioasc;
int request_size;
int buffer_size;
@@ -3701,13 +3691,10 @@ static long pmcraid_ioctl_passthrough(
request_buffer = arg + request_offset;
- rc = __copy_from_user(buffer,
- (struct pmcraid_passthrough_ioctl_buffer *) arg,
+ rc = copy_from_user(buffer, arg,
sizeof(struct pmcraid_passthrough_ioctl_buffer));
- ioasa =
- (void *)(arg +
- offsetof(struct pmcraid_passthrough_ioctl_buffer, ioasa));
+ ioasa = arg + offsetof(struct pmcraid_passthrough_ioctl_buffer, ioasa);
if (rc) {
pmcraid_err("ioctl: can't copy passthrough buffer\n");
@@ -3715,7 +3702,7 @@ static long pmcraid_ioctl_passthrough(
goto out_free_buffer;
}
- request_size = buffer->ioarcb.data_transfer_length;
+ request_size = le32_to_cpu(buffer->ioarcb.data_transfer_length);
if (buffer->ioarcb.request_flags0 & TRANSFER_DIR_WRITE) {
access = VERIFY_READ;
@@ -3725,20 +3712,14 @@ static long pmcraid_ioctl_passthrough(
direction = DMA_FROM_DEVICE;
}
- if (request_size > 0) {
- rc = access_ok(access, arg, request_offset + request_size);
-
- if (!rc) {
- rc = -EFAULT;
- goto out_free_buffer;
- }
- } else if (request_size < 0) {
+ if (request_size < 0) {
rc = -EINVAL;
goto out_free_buffer;
}
/* check if we have any additional command parameters */
- if (buffer->ioarcb.add_cmd_param_length > PMCRAID_ADD_CMD_PARAM_LEN) {
+ if (le16_to_cpu(buffer->ioarcb.add_cmd_param_length)
+ > PMCRAID_ADD_CMD_PARAM_LEN) {
rc = -EINVAL;
goto out_free_buffer;
}
@@ -3770,7 +3751,7 @@ static long pmcraid_ioctl_passthrough(
buffer->ioarcb.add_cmd_param_offset;
memcpy(ioarcb->add_data.u.add_cmd_params,
buffer->ioarcb.add_data.u.add_cmd_params,
- buffer->ioarcb.add_cmd_param_length);
+ le16_to_cpu(buffer->ioarcb.add_cmd_param_length));
}
/* set hrrq number where the IOA should respond to. Note that all cmds
@@ -3840,10 +3821,10 @@ static long pmcraid_ioctl_passthrough(
wait_for_completion(&cmd->wait_for_completion);
} else if (!wait_for_completion_timeout(
&cmd->wait_for_completion,
- msecs_to_jiffies(buffer->ioarcb.cmd_timeout * 1000))) {
+ msecs_to_jiffies(le16_to_cpu(buffer->ioarcb.cmd_timeout) * 1000))) {
pmcraid_info("aborting cmd %d (CDB[0] = %x) due to timeout\n",
- le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle >> 2),
+ le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle) >> 2,
cmd->ioa_cb->ioarcb.cdb[0]);
spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
@@ -3852,7 +3833,7 @@ static long pmcraid_ioctl_passthrough(
if (cancel_cmd) {
wait_for_completion(&cancel_cmd->wait_for_completion);
- ioasc = cancel_cmd->ioa_cb->ioasa.ioasc;
+ ioasc = le32_to_cpu(cancel_cmd->ioa_cb->ioasa.ioasc);
pmcraid_return_cmd(cancel_cmd);
/* if abort task couldn't find the command i.e it got
@@ -3941,11 +3922,6 @@ static long pmcraid_ioctl_driver(
{
int rc = -ENOSYS;
- if (!access_ok(VERIFY_READ, user_buffer, _IOC_SIZE(cmd))) {
- pmcraid_err("ioctl_driver: access fault in request buffer\n");
- return -EFAULT;
- }
-
switch (cmd) {
case PMCRAID_IOCTL_RESET_ADAPTER:
pmcraid_reset_bringup(pinstance);
@@ -3977,8 +3953,7 @@ static int pmcraid_check_ioctl_buffer(
struct pmcraid_ioctl_header *hdr
)
{
- int rc = 0;
- int access = VERIFY_READ;
+ int rc;
if (copy_from_user(hdr, arg, sizeof(struct pmcraid_ioctl_header))) {
pmcraid_err("couldn't copy ioctl header from user buffer\n");
@@ -3994,19 +3969,6 @@ static int pmcraid_check_ioctl_buffer(
return -EINVAL;
}
- /* check for appropriate buffer access */
- if ((_IOC_DIR(cmd) & _IOC_READ) == _IOC_READ)
- access = VERIFY_WRITE;
-
- rc = access_ok(access,
- (arg + sizeof(struct pmcraid_ioctl_header)),
- hdr->buffer_length);
- if (!rc) {
- pmcraid_err("access failed for user buffer of size %d\n",
- hdr->buffer_length);
- return -EFAULT;
- }
-
return 0;
}
@@ -4021,6 +3983,7 @@ static long pmcraid_chr_ioctl(
{
struct pmcraid_instance *pinstance = NULL;
struct pmcraid_ioctl_header *hdr = NULL;
+ void __user *argp = (void __user *)arg;
int retval = -ENOTTY;
hdr = kmalloc(sizeof(struct pmcraid_ioctl_header), GFP_KERNEL);
@@ -4030,7 +3993,7 @@ static long pmcraid_chr_ioctl(
return -ENOMEM;
}
- retval = pmcraid_check_ioctl_buffer(cmd, (void *)arg, hdr);
+ retval = pmcraid_check_ioctl_buffer(cmd, argp, hdr);
if (retval) {
pmcraid_info("chr_ioctl: header check failed\n");
@@ -4055,10 +4018,8 @@ static long pmcraid_chr_ioctl(
if (cmd == PMCRAID_IOCTL_DOWNLOAD_MICROCODE)
scsi_block_requests(pinstance->host);
- retval = pmcraid_ioctl_passthrough(pinstance,
- cmd,
- hdr->buffer_length,
- arg);
+ retval = pmcraid_ioctl_passthrough(pinstance, cmd,
+ hdr->buffer_length, argp);
if (cmd == PMCRAID_IOCTL_DOWNLOAD_MICROCODE)
scsi_unblock_requests(pinstance->host);
@@ -4066,10 +4027,8 @@ static long pmcraid_chr_ioctl(
case PMCRAID_DRIVER_IOCTL:
arg += sizeof(struct pmcraid_ioctl_header);
- retval = pmcraid_ioctl_driver(pinstance,
- cmd,
- hdr->buffer_length,
- (void __user *)arg);
+ retval = pmcraid_ioctl_driver(pinstance, cmd,
+ hdr->buffer_length, argp);
break;
default:
@@ -4470,7 +4429,7 @@ static void pmcraid_worker_function(struct work_struct *workp)
if (fw_version <= PMCRAID_FW_VERSION_1)
target = res->cfg_entry.unique_flags1;
else
- target = res->cfg_entry.array_id & 0xFF;
+ target = le16_to_cpu(res->cfg_entry.array_id) & 0xFF;
lun = PMCRAID_VSET_LUN_ID;
} else {
bus = PMCRAID_PHYS_BUS_ID;
@@ -4509,7 +4468,7 @@ static void pmcraid_tasklet_function(unsigned long instance)
unsigned long host_lock_flags;
spinlock_t *lockp; /* hrrq buffer lock */
int id;
- __le32 resp;
+ u32 resp;
hrrq_vector = (struct pmcraid_isr_param *)instance;
pinstance = hrrq_vector->drv_inst;
@@ -4833,7 +4792,7 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance)
buffer_size,
&(pinstance->hrrq_start_bus_addr[i]));
- if (pinstance->hrrq_start[i] == 0) {
+ if (!pinstance->hrrq_start[i]) {
pmcraid_err("pci_alloc failed for hrrq vector : %d\n",
i);
pmcraid_release_host_rrqs(pinstance, i);
@@ -5549,8 +5508,7 @@ static void pmcraid_set_timestamp(struct pmcraid_cmd *cmd)
struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
__be32 time_stamp_len = cpu_to_be32(PMCRAID_TIMESTAMP_LEN);
struct pmcraid_ioadl_desc *ioadl = ioarcb->add_data.u.ioadl;
-
- __le64 timestamp;
+ u64 timestamp;
timestamp = ktime_get_real_seconds() * 1000;
@@ -5572,7 +5530,7 @@ static void pmcraid_set_timestamp(struct pmcraid_cmd *cmd)
offsetof(struct pmcraid_ioarcb,
add_data.u.ioadl[0]));
ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc));
- ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
+ ioarcb->ioarcb_bus_addr &= cpu_to_le64(~(0x1FULL));
ioarcb->request_flags0 |= NO_LINK_DESCS;
ioarcb->request_flags0 |= TRANSFER_DIR_WRITE;
@@ -5631,7 +5589,7 @@ static void pmcraid_init_res_table(struct pmcraid_cmd *cmd)
list_for_each_entry_safe(res, temp, &pinstance->used_res_q, queue)
list_move_tail(&res->queue, &old_res);
- for (i = 0; i < pinstance->cfg_table->num_entries; i++) {
+ for (i = 0; i < le16_to_cpu(pinstance->cfg_table->num_entries); i++) {
if (be16_to_cpu(pinstance->inq_data->fw_version) <=
PMCRAID_FW_VERSION_1)
cfgte = &pinstance->cfg_table->entries[i];
@@ -5686,7 +5644,7 @@ static void pmcraid_init_res_table(struct pmcraid_cmd *cmd)
res->cfg_entry.resource_type,
(fw_version <= PMCRAID_FW_VERSION_1 ?
res->cfg_entry.unique_flags1 :
- res->cfg_entry.array_id & 0xFF),
+ le16_to_cpu(res->cfg_entry.array_id) & 0xFF),
le32_to_cpu(res->cfg_entry.resource_address));
}
}
@@ -5724,7 +5682,7 @@ static void pmcraid_querycfg(struct pmcraid_cmd *cmd)
struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
struct pmcraid_ioadl_desc *ioadl = ioarcb->add_data.u.ioadl;
struct pmcraid_instance *pinstance = cmd->drv_inst;
- int cfg_table_size = cpu_to_be32(sizeof(struct pmcraid_config_table));
+ __be32 cfg_table_size = cpu_to_be32(sizeof(struct pmcraid_config_table));
if (be16_to_cpu(pinstance->inq_data->fw_version) <=
PMCRAID_FW_VERSION_1)
@@ -5749,7 +5707,7 @@ static void pmcraid_querycfg(struct pmcraid_cmd *cmd)
offsetof(struct pmcraid_ioarcb,
add_data.u.ioadl[0]));
ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc));
- ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
+ ioarcb->ioarcb_bus_addr &= cpu_to_le64(~0x1FULL);
ioarcb->request_flags0 |= NO_LINK_DESCS;
ioarcb->data_transfer_length =
diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
index 568b18a2f47d..01eb2bc16dc1 100644
--- a/drivers/scsi/pmcraid.h
+++ b/drivers/scsi/pmcraid.h
@@ -554,7 +554,7 @@ struct pmcraid_inquiry_data {
__u8 add_page_len;
__u8 length;
__u8 reserved2;
- __le16 fw_version;
+ __be16 fw_version;
__u8 reserved3[16];
};
@@ -697,13 +697,13 @@ struct pmcraid_instance {
dma_addr_t hrrq_start_bus_addr[PMCRAID_NUM_MSIX_VECTORS];
/* Pointer to 1st entry of HRRQ */
- __be32 *hrrq_start[PMCRAID_NUM_MSIX_VECTORS];
+ __le32 *hrrq_start[PMCRAID_NUM_MSIX_VECTORS];
/* Pointer to last entry of HRRQ */
- __be32 *hrrq_end[PMCRAID_NUM_MSIX_VECTORS];
+ __le32 *hrrq_end[PMCRAID_NUM_MSIX_VECTORS];
/* Pointer to current pointer of hrrq */
- __be32 *hrrq_curr[PMCRAID_NUM_MSIX_VECTORS];
+ __le32 *hrrq_curr[PMCRAID_NUM_MSIX_VECTORS];
/* Lock for HRRQ access */
spinlock_t hrrq_lock[PMCRAID_NUM_MSIX_VECTORS];
diff --git a/drivers/scsi/qedf/qedf_debugfs.c b/drivers/scsi/qedf/qedf_debugfs.c
index cb08b625c594..00a1d6405ebe 100644
--- a/drivers/scsi/qedf/qedf_debugfs.c
+++ b/drivers/scsi/qedf/qedf_debugfs.c
@@ -449,7 +449,7 @@ const struct file_operations qedf_dbg_fops[] = {
qedf_dbg_fileops(qedf, clear_stats),
qedf_dbg_fileops_seq(qedf, offload_stats),
/* This must be last */
- { NULL, NULL },
+ { },
};
#else /* CONFIG_DEBUG_FS */
diff --git a/drivers/scsi/qedi/qedi_debugfs.c b/drivers/scsi/qedi/qedi_debugfs.c
index 59417199bf36..39d77818a677 100644
--- a/drivers/scsi/qedi/qedi_debugfs.c
+++ b/drivers/scsi/qedi/qedi_debugfs.c
@@ -240,5 +240,5 @@ const struct file_operations qedi_dbg_fops[] = {
qedi_dbg_fileops_seq(qedi, gbl_ctx),
qedi_dbg_fileops(qedi, do_not_recover),
qedi_dbg_fileops_seq(qedi, io_trace),
- { NULL, NULL },
+ { },
};
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index d1de172bebac..3548d46f9b27 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -1370,7 +1370,7 @@ static void qedi_cleanup_task(struct iscsi_task *task)
{
if (!task->sc || task->state == ISCSI_TASK_PENDING) {
QEDI_INFO(NULL, QEDI_LOG_IO, "Returning ref_cnt=%d\n",
- atomic_read(&task->refcount));
+ refcount_read(&task->refcount));
return;
}
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 435ff7fd6384..7c8d6c54ab70 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -695,7 +695,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
case 0x2025e:
if (!IS_P3P_TYPE(ha) || vha != base_vha) {
ql_log(ql_log_info, vha, 0x7071,
- "FCoE ctx reset no supported.\n");
+ "FCoE ctx reset not supported.\n");
return -EPERM;
}
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index b6e40fd4c3c1..16d1cd50feed 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -1822,7 +1822,7 @@ qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
/* Check if operating mode is P2P */
if (ha->operating_mode != P2P) {
ql_log(ql_log_warn, vha, 0x70a4,
- "Host is operating mode is not P2p\n");
+ "Host operating mode is not P2p\n");
rval = EXT_STATUS_INVALID_CFG;
goto done;
}
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index ab0f873fd6a1..9bc9aa9e164a 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -144,7 +144,7 @@ qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
if (ct_rsp->header.response !=
cpu_to_be16(CT_ACCEPT_RESPONSE)) {
ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2077,
- "%s failed rejected request on port_id: %02x%02x%02x Compeltion status 0x%x, response 0x%x\n",
+ "%s failed rejected request on port_id: %02x%02x%02x Completion status 0x%x, response 0x%x\n",
routine, vha->d_id.b.domain,
vha->d_id.b.area, vha->d_id.b.al_pa,
comp_status, ct_rsp->header.response);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index f9d2fe7b1ade..034743309ada 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2289,7 +2289,7 @@ qla2x00_chip_diag(scsi_qla_host_t *vha)
goto chip_diag_failed;
/* Check product ID of chip */
- ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
+ ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 3203367a4f42..aac03504d9a3 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2100,14 +2100,14 @@ qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
case CS_DATA_OVERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b1,
- "Command completed with date overrun thread_id=%d\n",
+ "Command completed with data overrun thread_id=%d\n",
thread_id);
rval = EXT_STATUS_DATA_OVERRUN;
break;
case CS_DATA_UNDERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b2,
- "Command completed with date underrun thread_id=%d\n",
+ "Command completed with data underrun thread_id=%d\n",
thread_id);
rval = EXT_STATUS_DATA_UNDERRUN;
break;
@@ -2134,7 +2134,7 @@ qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
case CS_BIDIR_RD_UNDERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b6,
- "Command completed with read data data underrun "
+ "Command completed with read data underrun "
"thread_id=%d\n", thread_id);
rval = EXT_STATUS_DATA_UNDERRUN;
break;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 83d61d2142e9..1c7957903283 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -423,7 +423,6 @@ static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
kfree(req->outstanding_cmds);
kfree(req);
- req = NULL;
}
static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
@@ -439,7 +438,6 @@ static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
rsp->ring, rsp->dma);
}
kfree(rsp);
- rsp = NULL;
}
static void qla2x00_free_queues(struct qla_hw_data *ha)
@@ -653,7 +651,6 @@ qla2x00_sp_free_dma(void *ptr)
ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
mempool_free(ctx1, ha->ctx_mempool);
- ctx1 = NULL;
}
CMD_SP(cmd) = NULL;
@@ -3256,7 +3253,6 @@ iospace_config_failed:
}
pci_release_selected_regions(ha->pdev, ha->bars);
kfree(ha);
- ha = NULL;
probe_out:
pci_disable_device(pdev);
@@ -3504,7 +3500,6 @@ qla2x00_remove_one(struct pci_dev *pdev)
pci_release_selected_regions(ha->pdev, ha->bars);
kfree(ha);
- ha = NULL;
pci_disable_pcie_error_reporting(pdev);
@@ -3568,7 +3563,6 @@ void qla2x00_free_fcports(struct scsi_qla_host *vha)
list_del(&fcport->list);
qla2x00_clear_loop_id(fcport);
kfree(fcport);
- fcport = NULL;
}
}
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 4180d6d9fe78..5d6d158bbfd6 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -389,7 +389,7 @@ void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha)
goto alloc_cleanup;
DEBUG2(ql4_printk(KERN_INFO, ha,
- "Minidump Tempalate Size = 0x%x KB\n",
+ "Minidump Template Size = 0x%x KB\n",
ha->fw_dump_tmplt_size));
DEBUG2(ql4_printk(KERN_INFO, ha,
"Total Minidump size = 0x%x KB\n", ha->fw_dump_size));
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index ac52150d1569..64c6fa563fdb 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -8664,7 +8664,6 @@ static int qla4xxx_probe_adapter(struct pci_dev *pdev,
init_completion(&ha->disable_acb_comp);
init_completion(&ha->idc_comp);
init_completion(&ha->link_up_comp);
- init_completion(&ha->disable_acb_comp);
spin_lock_init(&ha->hardware_lock);
spin_lock_init(&ha->work_lock);
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 2db412dd4b44..ecc07dab893d 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -46,6 +46,8 @@
#include <trace/events/scsi.h>
+#include <asm/unaligned.h>
+
static void scsi_eh_done(struct scsi_cmnd *scmd);
/*
@@ -162,13 +164,7 @@ scmd_eh_abort_handler(struct work_struct *work)
}
}
- if (!scsi_eh_scmd_add(scmd, 0)) {
- SCSI_LOG_ERROR_RECOVERY(3,
- scmd_printk(KERN_WARNING, scmd,
- "terminate aborted command\n"));
- set_host_byte(scmd, DID_TIME_OUT);
- scsi_finish_command(scmd);
- }
+ scsi_eh_scmd_add(scmd);
}
/**
@@ -188,7 +184,6 @@ scsi_abort_command(struct scsi_cmnd *scmd)
/*
* Retry after abort failed, escalate to next level.
*/
- scmd->eh_eflags &= ~SCSI_EH_ABORT_SCHEDULED;
SCSI_LOG_ERROR_RECOVERY(3,
scmd_printk(KERN_INFO, scmd,
"previous abort failed\n"));
@@ -196,19 +191,7 @@ scsi_abort_command(struct scsi_cmnd *scmd)
return FAILED;
}
- /*
- * Do not try a command abort if
- * SCSI EH has already started.
- */
spin_lock_irqsave(shost->host_lock, flags);
- if (scsi_host_in_recovery(shost)) {
- spin_unlock_irqrestore(shost->host_lock, flags);
- SCSI_LOG_ERROR_RECOVERY(3,
- scmd_printk(KERN_INFO, scmd,
- "not aborting, host in recovery\n"));
- return FAILED;
- }
-
if (shost->eh_deadline != -1 && !shost->last_reset)
shost->last_reset = jiffies;
spin_unlock_irqrestore(shost->host_lock, flags);
@@ -221,40 +204,47 @@ scsi_abort_command(struct scsi_cmnd *scmd)
}
/**
- * scsi_eh_scmd_add - add scsi cmd to error handling.
+ * scsi_eh_reset - call into ->eh_action to reset internal counters
* @scmd: scmd to run eh on.
- * @eh_flag: optional SCSI_EH flag.
*
- * Return value:
- * 0 on failure.
+ * The scsi driver might be carrying internal state about the
+ * devices, so we need to call into the driver to reset the
+ * internal state once the error handler is started.
*/
-int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag)
+static void scsi_eh_reset(struct scsi_cmnd *scmd)
+{
+ if (!blk_rq_is_passthrough(scmd->request)) {
+ struct scsi_driver *sdrv = scsi_cmd_to_driver(scmd);
+ if (sdrv->eh_reset)
+ sdrv->eh_reset(scmd);
+ }
+}
+
+/**
+ * scsi_eh_scmd_add - add scsi cmd to error handling.
+ * @scmd: scmd to run eh on.
+ */
+void scsi_eh_scmd_add(struct scsi_cmnd *scmd)
{
struct Scsi_Host *shost = scmd->device->host;
unsigned long flags;
- int ret = 0;
+ int ret;
- if (!shost->ehandler)
- return 0;
+ WARN_ON_ONCE(!shost->ehandler);
spin_lock_irqsave(shost->host_lock, flags);
- if (scsi_host_set_state(shost, SHOST_RECOVERY))
- if (scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY))
- goto out_unlock;
-
+ if (scsi_host_set_state(shost, SHOST_RECOVERY)) {
+ ret = scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY);
+ WARN_ON_ONCE(ret);
+ }
if (shost->eh_deadline != -1 && !shost->last_reset)
shost->last_reset = jiffies;
- ret = 1;
- if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED)
- eh_flag &= ~SCSI_EH_CANCEL_CMD;
- scmd->eh_eflags |= eh_flag;
+ scsi_eh_reset(scmd);
list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q);
shost->host_failed++;
scsi_eh_wakeup(shost);
- out_unlock:
spin_unlock_irqrestore(shost->host_lock, flags);
- return ret;
}
/**
@@ -283,13 +273,10 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
rtn = host->hostt->eh_timed_out(scmd);
if (rtn == BLK_EH_NOT_HANDLED) {
- if (!host->hostt->no_async_abort &&
- scsi_abort_command(scmd) == SUCCESS)
- return BLK_EH_NOT_HANDLED;
-
- set_host_byte(scmd, DID_TIME_OUT);
- if (!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))
- rtn = BLK_EH_HANDLED;
+ if (scsi_abort_command(scmd) != SUCCESS) {
+ set_host_byte(scmd, DID_TIME_OUT);
+ scsi_eh_scmd_add(scmd);
+ }
}
return rtn;
@@ -341,7 +328,7 @@ static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost,
list_for_each_entry(scmd, work_q, eh_entry) {
if (scmd->device == sdev) {
++total_failures;
- if (scmd->eh_eflags & SCSI_EH_CANCEL_CMD)
+ if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED)
++cmd_cancel;
else
++cmd_failed;
@@ -931,6 +918,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses,
ses->result = scmd->result;
ses->underflow = scmd->underflow;
ses->prot_op = scmd->prot_op;
+ ses->eh_eflags = scmd->eh_eflags;
scmd->prot_op = SCSI_PROT_NORMAL;
scmd->eh_eflags = 0;
@@ -994,6 +982,7 @@ void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, struct scsi_eh_save *ses)
scmd->result = ses->result;
scmd->underflow = ses->underflow;
scmd->prot_op = ses->prot_op;
+ scmd->eh_eflags = ses->eh_eflags;
}
EXPORT_SYMBOL(scsi_eh_restore_cmnd);
@@ -1126,7 +1115,6 @@ static int scsi_eh_action(struct scsi_cmnd *scmd, int rtn)
*/
void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q)
{
- scmd->eh_eflags = 0;
list_move_tail(&scmd->eh_entry, done_q);
}
EXPORT_SYMBOL(scsi_eh_finish_cmd);
@@ -1163,8 +1151,7 @@ int scsi_eh_get_sense(struct list_head *work_q,
* should not get sense.
*/
list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
- if ((scmd->eh_eflags & SCSI_EH_CANCEL_CMD) ||
- (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) ||
+ if ((scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) ||
SCSI_SENSE_VALID(scmd))
continue;
@@ -1304,61 +1291,6 @@ static int scsi_eh_test_devices(struct list_head *cmd_list,
return list_empty(work_q);
}
-
-/**
- * scsi_eh_abort_cmds - abort pending commands.
- * @work_q: &list_head for pending commands.
- * @done_q: &list_head for processed commands.
- *
- * Decription:
- * Try and see whether or not it makes sense to try and abort the
- * running command. This only works out to be the case if we have one
- * command that has timed out. If the command simply failed, it makes
- * no sense to try and abort the command, since as far as the shost
- * adapter is concerned, it isn't running.
- */
-static int scsi_eh_abort_cmds(struct list_head *work_q,
- struct list_head *done_q)
-{
- struct scsi_cmnd *scmd, *next;
- LIST_HEAD(check_list);
- int rtn;
- struct Scsi_Host *shost;
-
- list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
- if (!(scmd->eh_eflags & SCSI_EH_CANCEL_CMD))
- continue;
- shost = scmd->device->host;
- if (scsi_host_eh_past_deadline(shost)) {
- list_splice_init(&check_list, work_q);
- SCSI_LOG_ERROR_RECOVERY(3,
- scmd_printk(KERN_INFO, scmd,
- "%s: skip aborting cmd, past eh deadline\n",
- current->comm));
- return list_empty(work_q);
- }
- SCSI_LOG_ERROR_RECOVERY(3,
- scmd_printk(KERN_INFO, scmd,
- "%s: aborting cmd\n", current->comm));
- rtn = scsi_try_to_abort_cmd(shost->hostt, scmd);
- if (rtn == FAILED) {
- SCSI_LOG_ERROR_RECOVERY(3,
- scmd_printk(KERN_INFO, scmd,
- "%s: aborting cmd failed\n",
- current->comm));
- list_splice_init(&check_list, work_q);
- return list_empty(work_q);
- }
- scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
- if (rtn == FAST_IO_FAIL)
- scsi_eh_finish_cmd(scmd, done_q);
- else
- list_move_tail(&scmd->eh_entry, &check_list);
- }
-
- return scsi_eh_test_devices(&check_list, work_q, done_q, 0);
-}
-
/**
* scsi_eh_try_stu - Send START_UNIT to device.
* @scmd: &scsi_cmnd to send START_UNIT
@@ -1701,11 +1633,6 @@ static void scsi_eh_offline_sdevs(struct list_head *work_q,
sdev_printk(KERN_INFO, scmd->device, "Device offlined - "
"not ready after error recovery\n");
scsi_device_set_state(scmd->device, SDEV_OFFLINE);
- if (scmd->eh_eflags & SCSI_EH_CANCEL_CMD) {
- /*
- * FIXME: Handle lost cmds.
- */
- }
scsi_eh_finish_cmd(scmd, done_q);
}
return;
@@ -2149,8 +2076,7 @@ static void scsi_unjam_host(struct Scsi_Host *shost)
SCSI_LOG_ERROR_RECOVERY(1, scsi_eh_prt_fail_stats(shost, &eh_work_q));
if (!scsi_eh_get_sense(&eh_work_q, &eh_done_q))
- if (!scsi_eh_abort_cmds(&eh_work_q, &eh_done_q))
- scsi_eh_ready_devs(shost, &eh_work_q, &eh_done_q);
+ scsi_eh_ready_devs(shost, &eh_work_q, &eh_done_q);
spin_lock_irqsave(shost->host_lock, flags);
if (shost->eh_deadline != -1)
@@ -2437,44 +2363,34 @@ EXPORT_SYMBOL(scsi_command_normalize_sense);
* field will be placed if found.
*
* Return value:
- * 1 if information field found, 0 if not found.
+ * true if information field found, false if not found.
*/
-int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
- u64 * info_out)
+bool scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len,
+ u64 *info_out)
{
- int j;
const u8 * ucp;
- u64 ull;
if (sb_len < 7)
- return 0;
+ return false;
switch (sense_buffer[0] & 0x7f) {
case 0x70:
case 0x71:
if (sense_buffer[0] & 0x80) {
- *info_out = (sense_buffer[3] << 24) +
- (sense_buffer[4] << 16) +
- (sense_buffer[5] << 8) + sense_buffer[6];
- return 1;
- } else
- return 0;
+ *info_out = get_unaligned_be32(&sense_buffer[3]);
+ return true;
+ }
+ return false;
case 0x72:
case 0x73:
ucp = scsi_sense_desc_find(sense_buffer, sb_len,
0 /* info desc */);
if (ucp && (0xa == ucp[1])) {
- ull = 0;
- for (j = 0; j < 8; ++j) {
- if (j > 0)
- ull <<= 8;
- ull |= ucp[4 + j];
- }
- *info_out = ull;
- return 1;
- } else
- return 0;
+ *info_out = get_unaligned_be64(&ucp[4]);
+ return true;
+ }
+ return false;
default:
- return 0;
+ return false;
}
}
EXPORT_SYMBOL(scsi_get_sense_info_fld);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 1c3e87d6c48f..a1effcce67b3 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1593,8 +1593,8 @@ static void scsi_softirq_done(struct request *rq)
scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);
break;
default:
- if (!scsi_eh_scmd_add(cmd, 0))
- scsi_finish_command(cmd);
+ scsi_eh_scmd_add(cmd);
+ break;
}
}
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index f11bd102d6d5..59ebc1795bb3 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -18,7 +18,6 @@ struct scsi_nl_hdr;
/*
* Scsi Error Handler Flags
*/
-#define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */
#define SCSI_EH_ABORT_SCHEDULED 0x0002 /* Abort has been scheduled */
#define SCSI_SENSE_VALID(scmd) \
@@ -72,7 +71,7 @@ extern enum blk_eh_timer_return scsi_times_out(struct request *req);
extern int scsi_error_handler(void *host);
extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
extern void scsi_eh_wakeup(struct Scsi_Host *shost);
-extern int scsi_eh_scmd_add(struct scsi_cmnd *, int);
+extern void scsi_eh_scmd_add(struct scsi_cmnd *);
void scsi_eh_ready_devs(struct Scsi_Host *shost,
struct list_head *work_q,
struct list_head *done_q);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 2d753c93e07a..d4cf32d55546 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -289,9 +289,10 @@ static const struct {
u32 value;
char *name;
} fc_port_role_names[] = {
- { FC_PORT_ROLE_FCP_TARGET, "FCP Target" },
- { FC_PORT_ROLE_FCP_INITIATOR, "FCP Initiator" },
- { FC_PORT_ROLE_IP_PORT, "IP Port" },
+ { FC_PORT_ROLE_FCP_TARGET, "FCP Target" },
+ { FC_PORT_ROLE_FCP_INITIATOR, "FCP Initiator" },
+ { FC_PORT_ROLE_IP_PORT, "IP Port" },
+ { FC_PORT_ROLE_FCP_DUMMY_INITIATOR, "FCP Dummy Initiator" },
};
fc_bitfield_name_search(port_roles, fc_port_role_names)
@@ -850,7 +851,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val)
char *cp;
*val = simple_strtoul(buf, &cp, 0);
- if ((*cp && (*cp != '\n')) || (*val < 0))
+ if (*cp && (*cp != '\n'))
return -EINVAL;
/*
* Check for overflow; dev_loss_tmo is u32
@@ -2628,7 +2629,8 @@ fc_remote_port_create(struct Scsi_Host *shost, int channel,
spin_lock_irqsave(shost->host_lock, flags);
rport->number = fc_host->next_rport_number++;
- if (rport->roles & FC_PORT_ROLE_FCP_TARGET)
+ if ((rport->roles & FC_PORT_ROLE_FCP_TARGET) ||
+ (rport->roles & FC_PORT_ROLE_FCP_DUMMY_INITIATOR))
rport->scsi_target_id = fc_host->next_target_id++;
else
rport->scsi_target_id = -1;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 568c9f26a561..a424eaeafeb0 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2158,7 +2158,6 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data)
void iscsi_remove_session(struct iscsi_cls_session *session)
{
- struct Scsi_Host *shost = iscsi_session_to_shost(session);
unsigned long flags;
int err;
@@ -2185,7 +2184,7 @@ void iscsi_remove_session(struct iscsi_cls_session *session)
scsi_target_unblock(&session->dev, SDEV_TRANSPORT_OFFLINE);
/* flush running scans then delete devices */
- scsi_flush_work(shost);
+ flush_work(&session->scan_work);
__iscsi_unbind_session(&session->unbind_work);
/* hw iscsi may not have removed all connections from session */
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 9fdbd50c31b4..0ebe2f1bb908 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -370,12 +370,16 @@ EXPORT_SYMBOL(sas_remove_children);
* sas_remove_host - tear down a Scsi_Host's SAS data structures
* @shost: Scsi Host that is torn down
*
- * Removes all SAS PHYs and remote PHYs for a given Scsi_Host.
- * Must be called just before scsi_remove_host for SAS HBAs.
+ * Removes all SAS PHYs and remote PHYs for a given Scsi_Host and remove the
+ * Scsi_Host as well.
+ *
+ * Note: Do not call scsi_remove_host() on the Scsi_Host any more, as it is
+ * already removed.
*/
void sas_remove_host(struct Scsi_Host *shost)
{
sas_remove_children(&shost->shost_gendev);
+ scsi_remove_host(shost);
}
EXPORT_SYMBOL(sas_remove_host);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 0dc95e102e69..f9d1432d7cc5 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -115,6 +115,7 @@ static void sd_rescan(struct device *);
static int sd_init_command(struct scsi_cmnd *SCpnt);
static void sd_uninit_command(struct scsi_cmnd *SCpnt);
static int sd_done(struct scsi_cmnd *);
+static void sd_eh_reset(struct scsi_cmnd *);
static int sd_eh_action(struct scsi_cmnd *, int);
static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer);
static void scsi_disk_release(struct device *cdev);
@@ -573,6 +574,7 @@ static struct scsi_driver sd_template = {
.uninit_command = sd_uninit_command,
.done = sd_done,
.eh_action = sd_eh_action,
+ .eh_reset = sd_eh_reset,
};
/*
@@ -888,8 +890,8 @@ out:
* sd_setup_write_same_cmnd - write the same data to multiple blocks
* @cmd: command to prepare
*
- * Will issue either WRITE SAME(10) or WRITE SAME(16) depending on
- * preference indicated by target device.
+ * Will set up either WRITE SAME(10) or WRITE SAME(16) depending on
+ * the preference indicated by the target device.
**/
static int sd_setup_write_same_cmnd(struct scsi_cmnd *cmd)
{
@@ -908,7 +910,7 @@ static int sd_setup_write_same_cmnd(struct scsi_cmnd *cmd)
BUG_ON(bio_offset(bio) || bio_iovec(bio).bv_len != sdp->sector_size);
if (sd_is_zoned(sdkp)) {
- ret = sd_zbc_setup_write_cmnd(cmd);
+ ret = sd_zbc_write_lock_zone(cmd);
if (ret != BLKPREP_OK)
return ret;
}
@@ -980,7 +982,7 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt)
unsigned char protect;
if (zoned_write) {
- ret = sd_zbc_setup_write_cmnd(SCpnt);
+ ret = sd_zbc_write_lock_zone(SCpnt);
if (ret != BLKPREP_OK)
return ret;
}
@@ -1207,7 +1209,7 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt)
ret = BLKPREP_OK;
out:
if (zoned_write && ret != BLKPREP_OK)
- sd_zbc_cancel_write_cmnd(SCpnt);
+ sd_zbc_write_unlock_zone(SCpnt);
return ret;
}
@@ -1264,8 +1266,8 @@ static void sd_uninit_command(struct scsi_cmnd *SCpnt)
/**
* sd_open - open a scsi disk device
- * @inode: only i_rdev member may be used
- * @filp: only f_mode and f_flags may be used
+ * @bdev: Block device of the scsi disk to open
+ * @mode: FMODE_* mask
*
* Returns 0 if successful. Returns a negated errno value in case
* of error.
@@ -1341,8 +1343,8 @@ error_out:
/**
* sd_release - invoked when the (last) close(2) is called on this
* scsi disk.
- * @inode: only i_rdev member may be used
- * @filp: only f_mode and f_flags may be used
+ * @disk: disk to release
+ * @mode: FMODE_* mask
*
* Returns 0.
*
@@ -1398,8 +1400,8 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
/**
* sd_ioctl - process an ioctl
- * @inode: only i_rdev/i_bdev members may be used
- * @filp: only f_mode and f_flags may be used
+ * @bdev: target block device
+ * @mode: FMODE_* mask
* @cmd: ioctl command number
* @arg: this is third argument given to ioctl(2) system call.
* Often contains a pointer.
@@ -1762,6 +1764,26 @@ static const struct block_device_operations sd_fops = {
};
/**
+ * sd_eh_reset - reset error handling callback
+ * @scmd: sd-issued command that has failed
+ *
+ * This function is called by the SCSI midlayer before starting
+ * SCSI EH. When counting medium access failures we have to be
+ * careful to register it only only once per device and SCSI EH run;
+ * there might be several timed out commands which will cause the
+ * 'max_medium_access_timeouts' counter to trigger after the first
+ * SCSI EH run already and set the device to offline.
+ * So this function resets the internal counter before starting SCSI EH.
+ **/
+static void sd_eh_reset(struct scsi_cmnd *scmd)
+{
+ struct scsi_disk *sdkp = scsi_disk(scmd->request->rq_disk);
+
+ /* New SCSI EH run, reset gate variable */
+ sdkp->ignore_medium_access_errors = false;
+}
+
+/**
* sd_eh_action - error handling callback
* @scmd: sd-issued command that has failed
* @eh_disp: The recovery disposition suggested by the midlayer
@@ -1790,7 +1812,10 @@ static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp)
* process of recovering or has it suffered an internal failure
* that prevents access to the storage medium.
*/
- sdkp->medium_access_timed_out++;
+ if (!sdkp->ignore_medium_access_errors) {
+ sdkp->medium_access_timed_out++;
+ sdkp->ignore_medium_access_errors = true;
+ }
/*
* If the device keeps failing read/write commands but TEST UNIT
@@ -1802,7 +1827,7 @@ static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp)
"Medium access timeout failure. Offlining disk!\n");
scsi_device_set_state(scmd->device, SDEV_OFFLINE);
- return FAILED;
+ return SUCCESS;
}
return eh_disp;
@@ -1810,41 +1835,44 @@ static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp)
static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd)
{
- u64 start_lba = blk_rq_pos(scmd->request);
- u64 end_lba = blk_rq_pos(scmd->request) + (scsi_bufflen(scmd) / 512);
- u64 factor = scmd->device->sector_size / 512;
- u64 bad_lba;
- int info_valid;
+ struct request *req = scmd->request;
+ struct scsi_device *sdev = scmd->device;
+ unsigned int transferred, good_bytes;
+ u64 start_lba, end_lba, bad_lba;
+
/*
- * resid is optional but mostly filled in. When it's unused,
- * its value is zero, so we assume the whole buffer transferred
+ * Some commands have a payload smaller than the device logical
+ * block size (e.g. INQUIRY on a 4K disk).
*/
- unsigned int transferred = scsi_bufflen(scmd) - scsi_get_resid(scmd);
- unsigned int good_bytes;
-
- info_valid = scsi_get_sense_info_fld(scmd->sense_buffer,
- SCSI_SENSE_BUFFERSIZE,
- &bad_lba);
- if (!info_valid)
+ if (scsi_bufflen(scmd) <= sdev->sector_size)
return 0;
- if (scsi_bufflen(scmd) <= scmd->device->sector_size)
+ /* Check if we have a 'bad_lba' information */
+ if (!scsi_get_sense_info_fld(scmd->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE,
+ &bad_lba))
return 0;
- /* be careful ... don't want any overflows */
- do_div(start_lba, factor);
- do_div(end_lba, factor);
-
- /* The bad lba was reported incorrectly, we have no idea where
+ /*
+ * If the bad lba was reported incorrectly, we have no idea where
* the error is.
*/
- if (bad_lba < start_lba || bad_lba >= end_lba)
+ start_lba = sectors_to_logical(sdev, blk_rq_pos(req));
+ end_lba = start_lba + bytes_to_logical(sdev, scsi_bufflen(scmd));
+ if (bad_lba < start_lba || bad_lba >= end_lba)
return 0;
- /* This computation should always be done in terms of
- * the resolution of the device's medium.
+ /*
+ * resid is optional but mostly filled in. When it's unused,
+ * its value is zero, so we assume the whole buffer transferred
+ */
+ transferred = scsi_bufflen(scmd) - scsi_get_resid(scmd);
+
+ /* This computation should always be done in terms of the
+ * resolution of the device's medium.
*/
- good_bytes = (bad_lba - start_lba) * scmd->device->sector_size;
+ good_bytes = logical_to_bytes(sdev, bad_lba - start_lba);
+
return min(good_bytes, transferred);
}
@@ -1866,8 +1894,6 @@ static int sd_done(struct scsi_cmnd *SCpnt)
struct request *req = SCpnt->request;
int sense_valid = 0;
int sense_deferred = 0;
- unsigned char op = SCpnt->cmnd[0];
- unsigned char unmap = SCpnt->cmnd[1] & 8;
switch (req_op(req)) {
case REQ_OP_DISCARD:
@@ -1941,26 +1967,27 @@ static int sd_done(struct scsi_cmnd *SCpnt)
good_bytes = sd_completed_bytes(SCpnt);
break;
case ILLEGAL_REQUEST:
- if (sshdr.asc == 0x10) /* DIX: Host detected corruption */
+ switch (sshdr.asc) {
+ case 0x10: /* DIX: Host detected corruption */
good_bytes = sd_completed_bytes(SCpnt);
- /* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */
- if (sshdr.asc == 0x20 || sshdr.asc == 0x24) {
- switch (op) {
+ break;
+ case 0x20: /* INVALID COMMAND OPCODE */
+ case 0x24: /* INVALID FIELD IN CDB */
+ switch (SCpnt->cmnd[0]) {
case UNMAP:
sd_config_discard(sdkp, SD_LBP_DISABLE);
break;
case WRITE_SAME_16:
case WRITE_SAME:
- if (unmap)
+ if (SCpnt->cmnd[1] & 8) { /* UNMAP */
sd_config_discard(sdkp, SD_LBP_DISABLE);
- else {
+ } else {
sdkp->device->no_write_same = 1;
sd_config_write_same(sdkp);
-
- good_bytes = 0;
req->__data_len = blk_rq_bytes(req);
req->rq_flags |= RQF_QUIET;
}
+ break;
}
}
break;
@@ -2798,7 +2825,7 @@ static void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer)
/**
* sd_read_block_limits - Query disk device for preferred I/O sizes.
- * @disk: disk to query
+ * @sdkp: disk to query
*/
static void sd_read_block_limits(struct scsi_disk *sdkp)
{
@@ -2864,7 +2891,7 @@ static void sd_read_block_limits(struct scsi_disk *sdkp)
/**
* sd_read_block_characteristics - Query block dev. characteristics
- * @disk: disk to query
+ * @sdkp: disk to query
*/
static void sd_read_block_characteristics(struct scsi_disk *sdkp)
{
@@ -2912,7 +2939,7 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
/**
* sd_read_block_provisioning - Query provisioning VPD page
- * @disk: disk to query
+ * @sdkp: disk to query
*/
static void sd_read_block_provisioning(struct scsi_disk *sdkp)
{
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index a2c4b5c35379..61d02efd366c 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -114,6 +114,7 @@ struct scsi_disk {
unsigned rc_basis: 2;
unsigned zoned: 2;
unsigned urswrz : 1;
+ unsigned ignore_medium_access_errors : 1;
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
@@ -176,6 +177,11 @@ static inline unsigned int logical_to_bytes(struct scsi_device *sdev, sector_t b
return blocks * sdev->sector_size;
}
+static inline sector_t bytes_to_logical(struct scsi_device *sdev, unsigned int bytes)
+{
+ return bytes >> ilog2(sdev->sector_size);
+}
+
static inline sector_t sectors_to_logical(struct scsi_device *sdev, sector_t sector)
{
return sector >> (ilog2(sdev->sector_size) - 9);
@@ -274,8 +280,8 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp)
extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
extern void sd_zbc_remove(struct scsi_disk *sdkp);
extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
-extern int sd_zbc_setup_write_cmnd(struct scsi_cmnd *cmd);
-extern void sd_zbc_cancel_write_cmnd(struct scsi_cmnd *cmd);
+extern int sd_zbc_write_lock_zone(struct scsi_cmnd *cmd);
+extern void sd_zbc_write_unlock_zone(struct scsi_cmnd *cmd);
extern int sd_zbc_setup_report_cmnd(struct scsi_cmnd *cmd);
extern int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd);
extern void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
@@ -293,13 +299,13 @@ static inline void sd_zbc_remove(struct scsi_disk *sdkp) {}
static inline void sd_zbc_print_zones(struct scsi_disk *sdkp) {}
-static inline int sd_zbc_setup_write_cmnd(struct scsi_cmnd *cmd)
+static inline int sd_zbc_write_lock_zone(struct scsi_cmnd *cmd)
{
/* Let the drive fail requests */
return BLKPREP_OK;
}
-static inline void sd_zbc_cancel_write_cmnd(struct scsi_cmnd *cmd) {}
+static inline void sd_zbc_write_unlock_zone(struct scsi_cmnd *cmd) {}
static inline int sd_zbc_setup_report_cmnd(struct scsi_cmnd *cmd)
{
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 1994f7799fce..96855df9f49d 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -237,7 +237,6 @@ int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
sector_t sector = blk_rq_pos(rq);
sector_t block = sectors_to_logical(sdkp->device, sector);
- unsigned int zno = block >> sdkp->zone_shift;
if (!sd_is_zoned(sdkp))
/* Not a zoned device */
@@ -250,11 +249,6 @@ int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
/* Unaligned request */
return BLKPREP_KILL;
- /* Do not allow concurrent reset and writes */
- if (sdkp->zones_wlock &&
- test_and_set_bit(zno, sdkp->zones_wlock))
- return BLKPREP_DEFER;
-
cmd->cmd_len = 16;
memset(cmd->cmnd, 0, cmd->cmd_len);
cmd->cmnd[0] = ZBC_OUT;
@@ -269,7 +263,7 @@ int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
return BLKPREP_OK;
}
-int sd_zbc_setup_write_cmnd(struct scsi_cmnd *cmd)
+int sd_zbc_write_lock_zone(struct scsi_cmnd *cmd)
{
struct request *rq = cmd->request;
struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
@@ -303,8 +297,9 @@ int sd_zbc_setup_write_cmnd(struct scsi_cmnd *cmd)
return BLKPREP_OK;
}
-static void sd_zbc_unlock_zone(struct request *rq)
+void sd_zbc_write_unlock_zone(struct scsi_cmnd *cmd)
{
+ struct request *rq = cmd->request;
struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
if (sdkp->zones_wlock) {
@@ -315,11 +310,6 @@ static void sd_zbc_unlock_zone(struct request *rq)
}
}
-void sd_zbc_cancel_write_cmnd(struct scsi_cmnd *cmd)
-{
- sd_zbc_unlock_zone(cmd->request);
-}
-
void sd_zbc_complete(struct scsi_cmnd *cmd,
unsigned int good_bytes,
struct scsi_sense_hdr *sshdr)
@@ -328,39 +318,35 @@ void sd_zbc_complete(struct scsi_cmnd *cmd,
struct request *rq = cmd->request;
switch (req_op(rq)) {
+ case REQ_OP_ZONE_RESET:
+
+ if (result &&
+ sshdr->sense_key == ILLEGAL_REQUEST &&
+ sshdr->asc == 0x24)
+ /*
+ * INVALID FIELD IN CDB error: reset of a conventional
+ * zone was attempted. Nothing to worry about, so be
+ * quiet about the error.
+ */
+ rq->rq_flags |= RQF_QUIET;
+ break;
+
case REQ_OP_WRITE:
case REQ_OP_WRITE_ZEROES:
case REQ_OP_WRITE_SAME:
- case REQ_OP_ZONE_RESET:
/* Unlock the zone */
- sd_zbc_unlock_zone(rq);
+ sd_zbc_write_unlock_zone(cmd);
- if (!result ||
- sshdr->sense_key != ILLEGAL_REQUEST)
- break;
-
- switch (sshdr->asc) {
- case 0x24:
- /*
- * INVALID FIELD IN CDB error: For a zone reset,
- * this means that a reset of a conventional
- * zone was attempted. Nothing to worry about in
- * this case, so be quiet about the error.
- */
- if (req_op(rq) == REQ_OP_ZONE_RESET)
- rq->rq_flags |= RQF_QUIET;
- break;
- case 0x21:
+ if (result &&
+ sshdr->sense_key == ILLEGAL_REQUEST &&
+ sshdr->asc == 0x21)
/*
* INVALID ADDRESS FOR WRITE error: It is unlikely that
* retrying write requests failed with any kind of
* alignement error will result in success. So don't.
*/
cmd->allowed = 0;
- break;
- }
-
break;
case REQ_OP_ZONE_REPORT:
@@ -565,8 +551,7 @@ static int sd_zbc_setup(struct scsi_disk *sdkp)
int sd_zbc_read_zones(struct scsi_disk *sdkp,
unsigned char *buf)
{
- sector_t capacity;
- int ret = 0;
+ int ret;
if (!sd_is_zoned(sdkp))
/*
@@ -598,7 +583,6 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp,
ret = sd_zbc_check_capacity(sdkp, buf);
if (ret)
goto err;
- capacity = logical_to_sectors(sdkp->device, sdkp->capacity);
/*
* Check zone size: only devices with a constant zone size (except
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 50adabbb5808..f1cdf32d7514 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -548,7 +548,6 @@ static void ses_enclosure_data_process(struct enclosure_device *edev,
ecomp = &edev->component[components++];
if (!IS_ERR(ecomp)) {
- ses_get_power_status(edev, ecomp);
if (addl_desc_ptr)
ses_process_descriptor(
ecomp,
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 0b60245bd740..0a38ba01b7b4 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -122,7 +122,7 @@ struct sg_device; /* forward declarations */
struct sg_fd;
typedef struct sg_request { /* SG_MAX_QUEUE requests outstanding per file */
- struct sg_request *nextrp; /* NULL -> tail request (slist) */
+ struct list_head entry; /* list entry */
struct sg_fd *parentfp; /* NULL -> not in use */
Sg_scatter_hold data; /* hold buffer, perhaps scatter list */
sg_io_hdr_t header; /* scsi command+info, see <scsi/sg.h> */
@@ -142,19 +142,19 @@ typedef struct sg_fd { /* holds the state of a file descriptor */
struct sg_device *parentdp; /* owning device */
wait_queue_head_t read_wait; /* queue read until command done */
rwlock_t rq_list_lock; /* protect access to list in req_arr */
+ struct mutex f_mutex; /* protect against changes in this fd */
int timeout; /* defaults to SG_DEFAULT_TIMEOUT */
int timeout_user; /* defaults to SG_DEFAULT_TIMEOUT_USER */
Sg_scatter_hold reserve; /* buffer held for this file descriptor */
- unsigned save_scat_len; /* original length of trunc. scat. element */
- Sg_request *headrp; /* head of request slist, NULL->empty */
+ struct list_head rq_list; /* head of request list */
struct fasync_struct *async_qp; /* used by asynchronous notification */
Sg_request req_arr[SG_MAX_QUEUE]; /* used as singly-linked list */
- char low_dma; /* as in parent but possibly overridden to 1 */
char force_packid; /* 1 -> pack_id input to read(), 0 -> ignored */
char cmd_q; /* 1 -> allow command queuing, 0 -> don't */
unsigned char next_cmd_len; /* 0: automatic, >0: use on next write() */
char keep_orphan; /* 0 -> drop orphan (def), 1 -> keep for read() */
char mmap_called; /* 0 -> mmap() never called on this fd */
+ char res_in_use; /* 1 -> 'reserve' array in use */
struct kref f_ref;
struct execute_work ew;
} Sg_fd;
@@ -198,7 +198,6 @@ static void sg_remove_sfp(struct kref *);
static Sg_request *sg_get_rq_mark(Sg_fd * sfp, int pack_id);
static Sg_request *sg_add_request(Sg_fd * sfp);
static int sg_remove_request(Sg_fd * sfp, Sg_request * srp);
-static int sg_res_in_use(Sg_fd * sfp);
static Sg_device *sg_get_dev(int dev);
static void sg_device_destroy(struct kref *kref);
@@ -525,6 +524,7 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
} else
count = (old_hdr->result == 0) ? 0 : -EIO;
sg_finish_rem_req(srp);
+ sg_remove_request(sfp, srp);
retval = count;
free_old_hdr:
kfree(old_hdr);
@@ -565,6 +565,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
}
err_out:
err2 = sg_finish_rem_req(srp);
+ sg_remove_request(sfp, srp);
return err ? : err2 ? : count;
}
@@ -614,6 +615,7 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
}
buf += SZ_SG_HEADER;
__get_user(opcode, buf);
+ mutex_lock(&sfp->f_mutex);
if (sfp->next_cmd_len > 0) {
cmd_size = sfp->next_cmd_len;
sfp->next_cmd_len = 0; /* reset so only this write() effected */
@@ -622,6 +624,7 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
if ((opcode >= 0xc0) && old_hdr.twelve_byte)
cmd_size = 12;
}
+ mutex_unlock(&sfp->f_mutex);
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp,
"sg_write: scsi opcode=0x%02x, cmd_size=%d\n", (int) opcode, cmd_size));
/* Determine buffer size. */
@@ -662,18 +665,14 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
* is a non-zero input_size, so emit a warning.
*/
if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) {
- static char cmd[TASK_COMM_LEN];
- if (strcmp(current->comm, cmd)) {
- printk_ratelimited(KERN_WARNING
- "sg_write: data in/out %d/%d bytes "
- "for SCSI command 0x%x-- guessing "
- "data in;\n program %s not setting "
- "count and/or reply_len properly\n",
- old_hdr.reply_len - (int)SZ_SG_HEADER,
- input_size, (unsigned int) cmnd[0],
- current->comm);
- strcpy(cmd, current->comm);
- }
+ printk_ratelimited(KERN_WARNING
+ "sg_write: data in/out %d/%d bytes "
+ "for SCSI command 0x%x-- guessing "
+ "data in;\n program %s not setting "
+ "count and/or reply_len properly\n",
+ old_hdr.reply_len - (int)SZ_SG_HEADER,
+ input_size, (unsigned int) cmnd[0],
+ current->comm);
}
k = sg_common_write(sfp, srp, cmnd, sfp->timeout, blocking);
return (k < 0) ? k : count;
@@ -721,7 +720,7 @@ sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf,
sg_remove_request(sfp, srp);
return -EINVAL; /* either MMAP_IO or DIRECT_IO (not both) */
}
- if (sg_res_in_use(sfp)) {
+ if (sfp->res_in_use) {
sg_remove_request(sfp, srp);
return -EBUSY; /* reserve buffer already being used */
}
@@ -752,6 +751,29 @@ sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf,
return count;
}
+static bool sg_is_valid_dxfer(sg_io_hdr_t *hp)
+{
+ switch (hp->dxfer_direction) {
+ case SG_DXFER_NONE:
+ if (hp->dxferp || hp->dxfer_len > 0)
+ return false;
+ return true;
+ case SG_DXFER_TO_DEV:
+ case SG_DXFER_FROM_DEV:
+ case SG_DXFER_TO_FROM_DEV:
+ if (!hp->dxferp || hp->dxfer_len == 0)
+ return false;
+ return true;
+ case SG_DXFER_UNKNOWN:
+ if ((!hp->dxferp && hp->dxfer_len) ||
+ (hp->dxferp && hp->dxfer_len == 0))
+ return false;
+ return true;
+ default:
+ return false;
+ }
+}
+
static int
sg_common_write(Sg_fd * sfp, Sg_request * srp,
unsigned char *cmnd, int timeout, int blocking)
@@ -772,11 +794,15 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
"sg_common_write: scsi opcode=0x%02x, cmd_size=%d\n",
(int) cmnd[0], (int) hp->cmd_len));
+ if (!sg_is_valid_dxfer(hp))
+ return -EINVAL;
+
k = sg_start_req(srp, cmnd);
if (k) {
SCSI_LOG_TIMEOUT(1, sg_printk(KERN_INFO, sfp->parentdp,
"sg_common_write: start_req err=%d\n", k));
sg_finish_rem_req(srp);
+ sg_remove_request(sfp, srp);
return k; /* probably out of space --> ENOMEM */
}
if (atomic_read(&sdp->detaching)) {
@@ -787,6 +813,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
}
sg_finish_rem_req(srp);
+ sg_remove_request(sfp, srp);
return -ENODEV;
}
@@ -885,24 +912,14 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
/* strange ..., for backward compatibility */
return sfp->timeout_user;
case SG_SET_FORCE_LOW_DMA:
- result = get_user(val, ip);
- if (result)
- return result;
- if (val) {
- sfp->low_dma = 1;
- if ((0 == sfp->low_dma) && (0 == sg_res_in_use(sfp))) {
- val = (int) sfp->reserve.bufflen;
- sg_remove_scat(sfp, &sfp->reserve);
- sg_build_reserve(sfp, val);
- }
- } else {
- if (atomic_read(&sdp->detaching))
- return -ENODEV;
- sfp->low_dma = sdp->device->host->unchecked_isa_dma;
- }
+ /*
+ * N.B. This ioctl never worked properly, but failed to
+ * return an error value. So returning '0' to keep compability
+ * with legacy applications.
+ */
return 0;
case SG_GET_LOW_DMA:
- return put_user((int) sfp->low_dma, ip);
+ return put_user((int) sdp->device->host->unchecked_isa_dma, ip);
case SG_GET_SCSI_ID:
if (!access_ok(VERIFY_WRITE, p, sizeof (sg_scsi_id_t)))
return -EFAULT;
@@ -936,7 +953,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
if (!access_ok(VERIFY_WRITE, ip, sizeof (int)))
return -EFAULT;
read_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (srp = sfp->headrp; srp; srp = srp->nextrp) {
+ list_for_each_entry(srp, &sfp->rq_list, entry) {
if ((1 == srp->done) && (!srp->sg_io_owned)) {
read_unlock_irqrestore(&sfp->rq_list_lock,
iflags);
@@ -949,7 +966,8 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
return 0;
case SG_GET_NUM_WAITING:
read_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (val = 0, srp = sfp->headrp; srp; srp = srp->nextrp) {
+ val = 0;
+ list_for_each_entry(srp, &sfp->rq_list, entry) {
if ((1 == srp->done) && (!srp->sg_io_owned))
++val;
}
@@ -965,12 +983,18 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
return -EINVAL;
val = min_t(int, val,
max_sectors_bytes(sdp->device->request_queue));
+ mutex_lock(&sfp->f_mutex);
if (val != sfp->reserve.bufflen) {
- if (sg_res_in_use(sfp) || sfp->mmap_called)
+ if (sfp->mmap_called ||
+ sfp->res_in_use) {
+ mutex_unlock(&sfp->f_mutex);
return -EBUSY;
+ }
+
sg_remove_scat(sfp, &sfp->reserve);
sg_build_reserve(sfp, val);
}
+ mutex_unlock(&sfp->f_mutex);
return 0;
case SG_GET_RESERVED_SIZE:
val = min_t(int, sfp->reserve.bufflen,
@@ -1018,35 +1042,33 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
if (!rinfo)
return -ENOMEM;
read_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (srp = sfp->headrp, val = 0; val < SG_MAX_QUEUE;
- ++val, srp = srp ? srp->nextrp : srp) {
+ val = 0;
+ list_for_each_entry(srp, &sfp->rq_list, entry) {
+ if (val > SG_MAX_QUEUE)
+ break;
memset(&rinfo[val], 0, SZ_SG_REQ_INFO);
- if (srp) {
- rinfo[val].req_state = srp->done + 1;
- rinfo[val].problem =
- srp->header.masked_status &
- srp->header.host_status &
- srp->header.driver_status;
- if (srp->done)
- rinfo[val].duration =
- srp->header.duration;
- else {
- ms = jiffies_to_msecs(jiffies);
- rinfo[val].duration =
- (ms > srp->header.duration) ?
- (ms - srp->header.duration) : 0;
- }
- rinfo[val].orphan = srp->orphan;
- rinfo[val].sg_io_owned =
- srp->sg_io_owned;
- rinfo[val].pack_id =
- srp->header.pack_id;
- rinfo[val].usr_ptr =
- srp->header.usr_ptr;
+ rinfo[val].req_state = srp->done + 1;
+ rinfo[val].problem =
+ srp->header.masked_status &
+ srp->header.host_status &
+ srp->header.driver_status;
+ if (srp->done)
+ rinfo[val].duration =
+ srp->header.duration;
+ else {
+ ms = jiffies_to_msecs(jiffies);
+ rinfo[val].duration =
+ (ms > srp->header.duration) ?
+ (ms - srp->header.duration) : 0;
}
+ rinfo[val].orphan = srp->orphan;
+ rinfo[val].sg_io_owned = srp->sg_io_owned;
+ rinfo[val].pack_id = srp->header.pack_id;
+ rinfo[val].usr_ptr = srp->header.usr_ptr;
+ val++;
}
read_unlock_irqrestore(&sfp->rq_list_lock, iflags);
- result = __copy_to_user(p, rinfo,
+ result = __copy_to_user(p, rinfo,
SZ_SG_REQ_INFO * SG_MAX_QUEUE);
result = result ? -EFAULT : 0;
kfree(rinfo);
@@ -1152,7 +1174,7 @@ sg_poll(struct file *filp, poll_table * wait)
return POLLERR;
poll_wait(filp, &sfp->read_wait, wait);
read_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (srp = sfp->headrp; srp; srp = srp->nextrp) {
+ list_for_each_entry(srp, &sfp->rq_list, entry) {
/* if any read waiting, flag it */
if ((0 == res) && (1 == srp->done) && (!srp->sg_io_owned))
res = POLLIN | POLLRDNORM;
@@ -1269,6 +1291,7 @@ sg_rq_end_io_usercontext(struct work_struct *work)
struct sg_fd *sfp = srp->parentfp;
sg_finish_rem_req(srp);
+ sg_remove_request(sfp, srp);
kref_put(&sfp->f_ref, sg_remove_sfp);
}
@@ -1732,13 +1755,22 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md = &map_data;
if (md) {
- if (!sg_res_in_use(sfp) && dxfer_len <= rsv_schp->bufflen)
+ mutex_lock(&sfp->f_mutex);
+ if (dxfer_len <= rsv_schp->bufflen &&
+ !sfp->res_in_use) {
+ sfp->res_in_use = 1;
sg_link_reserve(sfp, srp, dxfer_len);
- else {
+ } else if ((hp->flags & SG_FLAG_MMAP_IO) && sfp->res_in_use) {
+ mutex_unlock(&sfp->f_mutex);
+ return -EBUSY;
+ } else {
res = sg_build_indirect(req_schp, sfp, dxfer_len);
- if (res)
+ if (res) {
+ mutex_unlock(&sfp->f_mutex);
return res;
+ }
}
+ mutex_unlock(&sfp->f_mutex);
md->pages = req_schp->pages;
md->page_order = req_schp->page_order;
@@ -1806,8 +1838,6 @@ sg_finish_rem_req(Sg_request *srp)
else
sg_remove_scat(sfp, req_schp);
- sg_remove_request(sfp, srp);
-
return ret;
}
@@ -1831,6 +1861,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
int sg_tablesize = sfp->parentdp->sg_tablesize;
int blk_size = buff_size, order;
gfp_t gfp_mask = GFP_ATOMIC | __GFP_COMP | __GFP_NOWARN;
+ struct sg_device *sdp = sfp->parentdp;
if (blk_size < 0)
return -EFAULT;
@@ -1856,7 +1887,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
scatter_elem_sz_prev = num;
}
- if (sfp->low_dma)
+ if (sdp->device->host->unchecked_isa_dma)
gfp_mask |= GFP_DMA;
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
@@ -2026,8 +2057,9 @@ sg_unlink_reserve(Sg_fd * sfp, Sg_request * srp)
req_schp->pages = NULL;
req_schp->page_order = 0;
req_schp->sglist_len = 0;
- sfp->save_scat_len = 0;
srp->res_used = 0;
+ /* Called without mutex lock to avoid deadlock */
+ sfp->res_in_use = 0;
}
static Sg_request *
@@ -2037,7 +2069,7 @@ sg_get_rq_mark(Sg_fd * sfp, int pack_id)
unsigned long iflags;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (resp = sfp->headrp; resp; resp = resp->nextrp) {
+ list_for_each_entry(resp, &sfp->rq_list, entry) {
/* look for requests that are ready + not SG_IO owned */
if ((1 == resp->done) && (!resp->sg_io_owned) &&
((-1 == pack_id) || (resp->header.pack_id == pack_id))) {
@@ -2055,70 +2087,45 @@ sg_add_request(Sg_fd * sfp)
{
int k;
unsigned long iflags;
- Sg_request *resp;
Sg_request *rp = sfp->req_arr;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
- resp = sfp->headrp;
- if (!resp) {
- memset(rp, 0, sizeof (Sg_request));
- rp->parentfp = sfp;
- resp = rp;
- sfp->headrp = resp;
- } else {
- if (0 == sfp->cmd_q)
- resp = NULL; /* command queuing disallowed */
- else {
- for (k = 0; k < SG_MAX_QUEUE; ++k, ++rp) {
- if (!rp->parentfp)
- break;
- }
- if (k < SG_MAX_QUEUE) {
- memset(rp, 0, sizeof (Sg_request));
- rp->parentfp = sfp;
- while (resp->nextrp)
- resp = resp->nextrp;
- resp->nextrp = rp;
- resp = rp;
- } else
- resp = NULL;
+ if (!list_empty(&sfp->rq_list)) {
+ if (!sfp->cmd_q)
+ goto out_unlock;
+
+ for (k = 0; k < SG_MAX_QUEUE; ++k, ++rp) {
+ if (!rp->parentfp)
+ break;
}
+ if (k >= SG_MAX_QUEUE)
+ goto out_unlock;
}
- if (resp) {
- resp->nextrp = NULL;
- resp->header.duration = jiffies_to_msecs(jiffies);
- }
+ memset(rp, 0, sizeof (Sg_request));
+ rp->parentfp = sfp;
+ rp->header.duration = jiffies_to_msecs(jiffies);
+ list_add_tail(&rp->entry, &sfp->rq_list);
write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
- return resp;
+ return rp;
+out_unlock:
+ write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
+ return NULL;
}
/* Return of 1 for found; 0 for not found */
static int
sg_remove_request(Sg_fd * sfp, Sg_request * srp)
{
- Sg_request *prev_rp;
- Sg_request *rp;
unsigned long iflags;
int res = 0;
- if ((!sfp) || (!srp) || (!sfp->headrp))
+ if (!sfp || !srp || list_empty(&sfp->rq_list))
return res;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
- prev_rp = sfp->headrp;
- if (srp == prev_rp) {
- sfp->headrp = prev_rp->nextrp;
- prev_rp->parentfp = NULL;
+ if (!list_empty(&srp->entry)) {
+ list_del(&srp->entry);
+ srp->parentfp = NULL;
res = 1;
- } else {
- while ((rp = prev_rp->nextrp)) {
- if (srp == rp) {
- prev_rp->nextrp = rp->nextrp;
- rp->parentfp = NULL;
- res = 1;
- break;
- }
- prev_rp = rp;
- }
}
write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
return res;
@@ -2137,13 +2144,12 @@ sg_add_sfp(Sg_device * sdp)
init_waitqueue_head(&sfp->read_wait);
rwlock_init(&sfp->rq_list_lock);
-
+ INIT_LIST_HEAD(&sfp->rq_list);
kref_init(&sfp->f_ref);
+ mutex_init(&sfp->f_mutex);
sfp->timeout = SG_DEFAULT_TIMEOUT;
sfp->timeout_user = SG_DEFAULT_TIMEOUT_USER;
sfp->force_packid = SG_DEF_FORCE_PACK_ID;
- sfp->low_dma = (SG_DEF_FORCE_LOW_DMA == 0) ?
- sdp->device->host->unchecked_isa_dma : 1;
sfp->cmd_q = SG_DEF_COMMAND_Q;
sfp->keep_orphan = SG_DEF_KEEP_ORPHAN;
sfp->parentdp = sdp;
@@ -2177,10 +2183,18 @@ sg_remove_sfp_usercontext(struct work_struct *work)
{
struct sg_fd *sfp = container_of(work, struct sg_fd, ew.work);
struct sg_device *sdp = sfp->parentdp;
+ Sg_request *srp;
+ unsigned long iflags;
/* Cleanup any responses which were never read(). */
- while (sfp->headrp)
- sg_finish_rem_req(sfp->headrp);
+ write_lock_irqsave(&sfp->rq_list_lock, iflags);
+ while (!list_empty(&sfp->rq_list)) {
+ srp = list_first_entry(&sfp->rq_list, Sg_request, entry);
+ sg_finish_rem_req(srp);
+ list_del(&srp->entry);
+ srp->parentfp = NULL;
+ }
+ write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
if (sfp->reserve.bufflen > 0) {
SCSI_LOG_TIMEOUT(6, sg_printk(KERN_INFO, sdp,
@@ -2214,20 +2228,6 @@ sg_remove_sfp(struct kref *kref)
schedule_work(&sfp->ew.work);
}
-static int
-sg_res_in_use(Sg_fd * sfp)
-{
- const Sg_request *srp;
- unsigned long iflags;
-
- read_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (srp = sfp->headrp; srp; srp = srp->nextrp)
- if (srp->res_used)
- break;
- read_unlock_irqrestore(&sfp->rq_list_lock, iflags);
- return srp ? 1 : 0;
-}
-
#ifdef CONFIG_SCSI_PROC_FS
static int
sg_idr_max_id(int id, void *p, void *data)
@@ -2597,7 +2597,7 @@ static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v)
/* must be called while holding sg_index_lock */
static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp)
{
- int k, m, new_interface, blen, usg;
+ int k, new_interface, blen, usg;
Sg_request *srp;
Sg_fd *fp;
const sg_io_hdr_t *hp;
@@ -2613,17 +2613,15 @@ static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp)
jiffies_to_msecs(fp->timeout),
fp->reserve.bufflen,
(int) fp->reserve.k_use_sg,
- (int) fp->low_dma);
+ (int) sdp->device->host->unchecked_isa_dma);
seq_printf(s, " cmd_q=%d f_packid=%d k_orphan=%d closed=0\n",
(int) fp->cmd_q, (int) fp->force_packid,
(int) fp->keep_orphan);
- for (m = 0, srp = fp->headrp;
- srp != NULL;
- ++m, srp = srp->nextrp) {
+ list_for_each_entry(srp, &fp->rq_list, entry) {
hp = &srp->header;
new_interface = (hp->interface_id == '\0') ? 0 : 1;
if (srp->res_used) {
- if (new_interface &&
+ if (new_interface &&
(SG_FLAG_MMAP_IO & hp->flags))
cp = " mmap>> ";
else
@@ -2654,7 +2652,7 @@ static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp)
seq_printf(s, "ms sgat=%d op=0x%02x\n", usg,
(int) srp->data.cmd_opcode);
}
- if (0 == m)
+ if (list_empty(&fp->rq_list))
seq_puts(s, " No requests active\n");
read_unlock(&fp->rq_list_lock);
}
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c
index 6d215e2fb46d..71b4b91d2215 100644
--- a/drivers/scsi/sgiwd93.c
+++ b/drivers/scsi/sgiwd93.c
@@ -297,7 +297,7 @@ out:
return err;
}
-static int __exit sgiwd93_remove(struct platform_device *pdev)
+static int sgiwd93_remove(struct platform_device *pdev)
{
struct Scsi_Host *host = platform_get_drvdata(pdev);
struct ip22_hostdata *hdata = (struct ip22_hostdata *) host->hostdata;
diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
index 76278072147e..1f9a087daf69 100644
--- a/drivers/scsi/sni_53c710.c
+++ b/drivers/scsi/sni_53c710.c
@@ -117,7 +117,7 @@ static int snirm710_probe(struct platform_device *dev)
return -ENODEV;
}
-static int __exit snirm710_driver_remove(struct platform_device *dev)
+static int snirm710_driver_remove(struct platform_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
struct NCR_700_Host_Parameters *hostdata =
diff --git a/drivers/scsi/snic/snic_debugfs.c b/drivers/scsi/snic/snic_debugfs.c
index d30280326bde..269ddf791a73 100644
--- a/drivers/scsi/snic/snic_debugfs.c
+++ b/drivers/scsi/snic/snic_debugfs.c
@@ -548,7 +548,7 @@ snic_trc_debugfs_init(void)
&snic_trc_fops);
if (!de) {
- SNIC_ERR("Cann't create trace file.\n");
+ SNIC_ERR("Cannot create trace file.\n");
return ret;
}
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 5b23175a584c..9b20643ab49d 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -26,6 +26,7 @@
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/ktime.h>
+#include <linux/reboot.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/byteorder.h>
@@ -38,9 +39,9 @@
#include <scsi/scsi_eh.h>
#define DRV_NAME "stex"
-#define ST_DRIVER_VERSION "5.00.0000.01"
-#define ST_VER_MAJOR 5
-#define ST_VER_MINOR 00
+#define ST_DRIVER_VERSION "6.02.0000.01"
+#define ST_VER_MAJOR 6
+#define ST_VER_MINOR 02
#define ST_OEM 0000
#define ST_BUILD_VER 01
@@ -64,6 +65,13 @@ enum {
YI2H_INT_C = 0xa0,
YH2I_REQ = 0xc0,
YH2I_REQ_HI = 0xc4,
+ PSCRATCH0 = 0xb0,
+ PSCRATCH1 = 0xb4,
+ PSCRATCH2 = 0xb8,
+ PSCRATCH3 = 0xbc,
+ PSCRATCH4 = 0xc8,
+ MAILBOX_BASE = 0x1000,
+ MAILBOX_HNDSHK_STS = 0x0,
/* MU register value */
MU_INBOUND_DOORBELL_HANDSHAKE = (1 << 0),
@@ -87,7 +95,7 @@ enum {
MU_STATE_STOP = 5,
MU_STATE_NOCONNECT = 6,
- MU_MAX_DELAY = 120,
+ MU_MAX_DELAY = 50,
MU_HANDSHAKE_SIGNATURE = 0x55aaaa55,
MU_HANDSHAKE_SIGNATURE_HALF = 0x5a5a0000,
MU_HARD_RESET_WAIT = 30000,
@@ -135,6 +143,7 @@ enum {
st_yosemite = 2,
st_seq = 3,
st_yel = 4,
+ st_P3 = 5,
PASSTHRU_REQ_TYPE = 0x00000001,
PASSTHRU_REQ_NO_WAKEUP = 0x00000100,
@@ -339,6 +348,7 @@ struct st_hba {
u16 rq_size;
u16 sts_count;
u8 supports_pm;
+ int msi_lock;
};
struct st_card_info {
@@ -353,6 +363,12 @@ struct st_card_info {
u16 sts_count;
};
+static int S6flag;
+static int stex_halt(struct notifier_block *nb, ulong event, void *buf);
+static struct notifier_block stex_notifier = {
+ stex_halt, NULL, 0
+};
+
static int msi;
module_param(msi, int, 0);
MODULE_PARM_DESC(msi, "Enable Message Signaled Interrupts(0=off, 1=on)");
@@ -540,11 +556,15 @@ stex_ss_send_cmd(struct st_hba *hba, struct req_msg *req, u16 tag)
++hba->req_head;
hba->req_head %= hba->rq_count+1;
-
- writel((addr >> 16) >> 16, hba->mmio_base + YH2I_REQ_HI);
- readl(hba->mmio_base + YH2I_REQ_HI); /* flush */
- writel(addr, hba->mmio_base + YH2I_REQ);
- readl(hba->mmio_base + YH2I_REQ); /* flush */
+ if (hba->cardtype == st_P3) {
+ writel((addr >> 16) >> 16, hba->mmio_base + YH2I_REQ_HI);
+ writel(addr, hba->mmio_base + YH2I_REQ);
+ } else {
+ writel((addr >> 16) >> 16, hba->mmio_base + YH2I_REQ_HI);
+ readl(hba->mmio_base + YH2I_REQ_HI); /* flush */
+ writel(addr, hba->mmio_base + YH2I_REQ);
+ readl(hba->mmio_base + YH2I_REQ); /* flush */
+ }
}
static void return_abnormal_state(struct st_hba *hba, int status)
@@ -974,15 +994,31 @@ static irqreturn_t stex_ss_intr(int irq, void *__hba)
spin_lock_irqsave(hba->host->host_lock, flags);
- data = readl(base + YI2H_INT);
- if (data && data != 0xffffffff) {
- /* clear the interrupt */
- writel(data, base + YI2H_INT_C);
- stex_ss_mu_intr(hba);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
- if (unlikely(data & SS_I2H_REQUEST_RESET))
- queue_work(hba->work_q, &hba->reset_work);
- return IRQ_HANDLED;
+ if (hba->cardtype == st_yel) {
+ data = readl(base + YI2H_INT);
+ if (data && data != 0xffffffff) {
+ /* clear the interrupt */
+ writel(data, base + YI2H_INT_C);
+ stex_ss_mu_intr(hba);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ if (unlikely(data & SS_I2H_REQUEST_RESET))
+ queue_work(hba->work_q, &hba->reset_work);
+ return IRQ_HANDLED;
+ }
+ } else {
+ data = readl(base + PSCRATCH4);
+ if (data != 0xffffffff) {
+ if (data != 0) {
+ /* clear the interrupt */
+ writel(data, base + PSCRATCH1);
+ writel((1 << 22), base + YH2I_INT);
+ }
+ stex_ss_mu_intr(hba);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ if (unlikely(data & SS_I2H_REQUEST_RESET))
+ queue_work(hba->work_q, &hba->reset_work);
+ return IRQ_HANDLED;
+ }
}
spin_unlock_irqrestore(hba->host->host_lock, flags);
@@ -1080,19 +1116,36 @@ static int stex_ss_handshake(struct st_hba *hba)
struct st_msg_header *msg_h;
struct handshake_frame *h;
__le32 *scratch;
- u32 data, scratch_size;
+ u32 data, scratch_size, mailboxdata, operationaldata;
unsigned long before;
int ret = 0;
before = jiffies;
- while ((readl(base + YIOA_STATUS) & SS_MU_OPERATIONAL) == 0) {
- if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
- printk(KERN_ERR DRV_NAME
- "(%s): firmware not operational\n",
- pci_name(hba->pdev));
- return -1;
+
+ if (hba->cardtype == st_yel) {
+ operationaldata = readl(base + YIOA_STATUS);
+ while (operationaldata != SS_MU_OPERATIONAL) {
+ if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+ printk(KERN_ERR DRV_NAME
+ "(%s): firmware not operational\n",
+ pci_name(hba->pdev));
+ return -1;
+ }
+ msleep(1);
+ operationaldata = readl(base + YIOA_STATUS);
+ }
+ } else {
+ operationaldata = readl(base + PSCRATCH3);
+ while (operationaldata != SS_MU_OPERATIONAL) {
+ if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+ printk(KERN_ERR DRV_NAME
+ "(%s): firmware not operational\n",
+ pci_name(hba->pdev));
+ return -1;
+ }
+ msleep(1);
+ operationaldata = readl(base + PSCRATCH3);
}
- msleep(1);
}
msg_h = (struct st_msg_header *)hba->dma_mem;
@@ -1111,30 +1164,60 @@ static int stex_ss_handshake(struct st_hba *hba)
scratch_size = (hba->sts_count+1)*sizeof(u32);
h->scratch_size = cpu_to_le32(scratch_size);
- data = readl(base + YINT_EN);
- data &= ~4;
- writel(data, base + YINT_EN);
- writel((hba->dma_handle >> 16) >> 16, base + YH2I_REQ_HI);
- readl(base + YH2I_REQ_HI);
- writel(hba->dma_handle, base + YH2I_REQ);
- readl(base + YH2I_REQ); /* flush */
+ if (hba->cardtype == st_yel) {
+ data = readl(base + YINT_EN);
+ data &= ~4;
+ writel(data, base + YINT_EN);
+ writel((hba->dma_handle >> 16) >> 16, base + YH2I_REQ_HI);
+ readl(base + YH2I_REQ_HI);
+ writel(hba->dma_handle, base + YH2I_REQ);
+ readl(base + YH2I_REQ); /* flush */
+ } else {
+ data = readl(base + YINT_EN);
+ data &= ~(1 << 0);
+ data &= ~(1 << 2);
+ writel(data, base + YINT_EN);
+ if (hba->msi_lock == 0) {
+ /* P3 MSI Register cannot access twice */
+ writel((1 << 6), base + YH2I_INT);
+ hba->msi_lock = 1;
+ }
+ writel((hba->dma_handle >> 16) >> 16, base + YH2I_REQ_HI);
+ writel(hba->dma_handle, base + YH2I_REQ);
+ }
- scratch = hba->scratch;
before = jiffies;
- while (!(le32_to_cpu(*scratch) & SS_STS_HANDSHAKE)) {
- if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
- printk(KERN_ERR DRV_NAME
- "(%s): no signature after handshake frame\n",
- pci_name(hba->pdev));
- ret = -1;
- break;
+ scratch = hba->scratch;
+ if (hba->cardtype == st_yel) {
+ while (!(le32_to_cpu(*scratch) & SS_STS_HANDSHAKE)) {
+ if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+ printk(KERN_ERR DRV_NAME
+ "(%s): no signature after handshake frame\n",
+ pci_name(hba->pdev));
+ ret = -1;
+ break;
+ }
+ rmb();
+ msleep(1);
+ }
+ } else {
+ mailboxdata = readl(base + MAILBOX_BASE + MAILBOX_HNDSHK_STS);
+ while (mailboxdata != SS_STS_HANDSHAKE) {
+ if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+ printk(KERN_ERR DRV_NAME
+ "(%s): no signature after handshake frame\n",
+ pci_name(hba->pdev));
+ ret = -1;
+ break;
+ }
+ rmb();
+ msleep(1);
+ mailboxdata = readl(base + MAILBOX_BASE + MAILBOX_HNDSHK_STS);
}
- rmb();
- msleep(1);
}
-
memset(scratch, 0, scratch_size);
msg_h->flag = 0;
+
return ret;
}
@@ -1144,8 +1227,10 @@ static int stex_handshake(struct st_hba *hba)
unsigned long flags;
unsigned int mu_status;
- err = (hba->cardtype == st_yel) ?
- stex_ss_handshake(hba) : stex_common_handshake(hba);
+ if (hba->cardtype == st_yel || hba->cardtype == st_P3)
+ err = stex_ss_handshake(hba);
+ else
+ err = stex_common_handshake(hba);
spin_lock_irqsave(hba->host->host_lock, flags);
mu_status = hba->mu_status;
if (err == 0) {
@@ -1190,6 +1275,15 @@ static int stex_abort(struct scsi_cmnd *cmd)
writel(data, base + YI2H_INT_C);
stex_ss_mu_intr(hba);
+ } else if (hba->cardtype == st_P3) {
+ data = readl(base + PSCRATCH4);
+ if (data == 0xffffffff)
+ goto fail_out;
+ if (data != 0) {
+ writel(data, base + PSCRATCH1);
+ writel((1 << 22), base + YH2I_INT);
+ }
+ stex_ss_mu_intr(hba);
} else {
data = readl(base + ODBL);
if (data == 0 || data == 0xffffffff)
@@ -1197,7 +1291,6 @@ static int stex_abort(struct scsi_cmnd *cmd)
writel(data, base + ODBL);
readl(base + ODBL); /* flush */
-
stex_mu_intr(hba, data);
}
if (hba->wait_ccb == NULL) {
@@ -1293,6 +1386,12 @@ static void stex_ss_reset(struct st_hba *hba)
ssleep(5);
}
+static void stex_p3_reset(struct st_hba *hba)
+{
+ writel(SS_H2I_INT_RESET, hba->mmio_base + YH2I_INT);
+ ssleep(5);
+}
+
static int stex_do_reset(struct st_hba *hba)
{
unsigned long flags;
@@ -1329,7 +1428,8 @@ static int stex_do_reset(struct st_hba *hba)
stex_hard_reset(hba);
else if (hba->cardtype == st_yel)
stex_ss_reset(hba);
-
+ else if (hba->cardtype == st_P3)
+ stex_p3_reset(hba);
return_abnormal_state(hba, DID_RESET);
@@ -1414,6 +1514,26 @@ static struct pci_device_id stex_pci_tbl[] = {
/* st_yel */
{ 0x105a, 0x8650, 0x1033, PCI_ANY_ID, 0, 0, st_yel },
{ 0x105a, 0x8760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_yel },
+
+ /* st_P3, pluto */
+ { PCI_VENDOR_ID_PROMISE, 0x8870, PCI_VENDOR_ID_PROMISE,
+ 0x8870, 0, 0, st_P3 },
+ /* st_P3, p3 */
+ { PCI_VENDOR_ID_PROMISE, 0x8870, PCI_VENDOR_ID_PROMISE,
+ 0x4300, 0, 0, st_P3 },
+
+ /* st_P3, SymplyStor4E */
+ { PCI_VENDOR_ID_PROMISE, 0x8871, PCI_VENDOR_ID_PROMISE,
+ 0x4311, 0, 0, st_P3 },
+ /* st_P3, SymplyStor8E */
+ { PCI_VENDOR_ID_PROMISE, 0x8871, PCI_VENDOR_ID_PROMISE,
+ 0x4312, 0, 0, st_P3 },
+ /* st_P3, SymplyStor4 */
+ { PCI_VENDOR_ID_PROMISE, 0x8871, PCI_VENDOR_ID_PROMISE,
+ 0x4321, 0, 0, st_P3 },
+ /* st_P3, SymplyStor8 */
+ { PCI_VENDOR_ID_PROMISE, 0x8871, PCI_VENDOR_ID_PROMISE,
+ 0x4322, 0, 0, st_P3 },
{ } /* terminate list */
};
@@ -1482,6 +1602,19 @@ static struct st_card_info stex_card_info[] = {
.map_sg = stex_ss_map_sg,
.send = stex_ss_send_cmd,
},
+
+ /* st_P3 */
+ {
+ .max_id = 129,
+ .max_lun = 256,
+ .max_channel = 0,
+ .rq_count = 801,
+ .rq_size = 512,
+ .sts_count = 801,
+ .alloc_rq = stex_ss_alloc_req,
+ .map_sg = stex_ss_map_sg,
+ .send = stex_ss_send_cmd,
+ },
};
static int stex_set_dma_mask(struct pci_dev * pdev)
@@ -1502,7 +1635,7 @@ static int stex_request_irq(struct st_hba *hba)
struct pci_dev *pdev = hba->pdev;
int status;
- if (msi) {
+ if (msi || hba->cardtype == st_P3) {
status = pci_enable_msi(pdev);
if (status != 0)
printk(KERN_ERR DRV_NAME
@@ -1513,7 +1646,8 @@ static int stex_request_irq(struct st_hba *hba)
} else
hba->msi_enabled = 0;
- status = request_irq(pdev->irq, hba->cardtype == st_yel ?
+ status = request_irq(pdev->irq,
+ (hba->cardtype == st_yel || hba->cardtype == st_P3) ?
stex_ss_intr : stex_intr, IRQF_SHARED, DRV_NAME, hba);
if (status != 0) {
@@ -1546,6 +1680,9 @@ static int stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_master(pdev);
+ S6flag = 0;
+ register_reboot_notifier(&stex_notifier);
+
host = scsi_host_alloc(&driver_template, sizeof(struct st_hba));
if (!host) {
@@ -1597,12 +1734,12 @@ static int stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
case 0x4265:
break;
default:
- if (hba->cardtype == st_yel)
+ if (hba->cardtype == st_yel || hba->cardtype == st_P3)
hba->supports_pm = 1;
}
sts_offset = scratch_offset = (ci->rq_count+1) * ci->rq_size;
- if (hba->cardtype == st_yel)
+ if (hba->cardtype == st_yel || hba->cardtype == st_P3)
sts_offset += (ci->sts_count+1) * sizeof(u32);
cp_offset = sts_offset + (ci->sts_count+1) * sizeof(struct status_msg);
hba->dma_size = cp_offset + sizeof(struct st_frame);
@@ -1642,7 +1779,7 @@ static int stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_pci_free;
}
- if (hba->cardtype == st_yel)
+ if (hba->cardtype == st_yel || hba->cardtype == st_P3)
hba->scratch = (__le32 *)(hba->dma_mem + scratch_offset);
hba->status_buffer = (struct status_msg *)(hba->dma_mem + sts_offset);
hba->copy_buffer = hba->dma_mem + cp_offset;
@@ -1653,8 +1790,9 @@ static int stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
hba->map_sg = ci->map_sg;
hba->send = ci->send;
hba->mu_status = MU_STATE_STARTING;
+ hba->msi_lock = 0;
- if (hba->cardtype == st_yel)
+ if (hba->cardtype == st_yel || hba->cardtype == st_P3)
host->sg_tablesize = 38;
else
host->sg_tablesize = 32;
@@ -1736,28 +1874,29 @@ static void stex_hba_stop(struct st_hba *hba, int st_sleep_mic)
spin_lock_irqsave(hba->host->host_lock, flags);
- if (hba->cardtype == st_yel && hba->supports_pm == 1)
- {
- if(st_sleep_mic == ST_NOTHANDLED)
- {
+ if ((hba->cardtype == st_yel || hba->cardtype == st_P3) &&
+ hba->supports_pm == 1) {
+ if (st_sleep_mic == ST_NOTHANDLED) {
spin_unlock_irqrestore(hba->host->host_lock, flags);
return;
}
}
req = hba->alloc_rq(hba);
- if (hba->cardtype == st_yel) {
+ if (hba->cardtype == st_yel || hba->cardtype == st_P3) {
msg_h = (struct st_msg_header *)req - 1;
memset(msg_h, 0, hba->rq_size);
} else
memset(req, 0, hba->rq_size);
- if ((hba->cardtype == st_yosemite || hba->cardtype == st_yel)
+ if ((hba->cardtype == st_yosemite || hba->cardtype == st_yel
+ || hba->cardtype == st_P3)
&& st_sleep_mic == ST_IGNORED) {
req->cdb[0] = MGT_CMD;
req->cdb[1] = MGT_CMD_SIGNATURE;
req->cdb[2] = CTLR_CONFIG_CMD;
req->cdb[3] = CTLR_SHUTDOWN;
- } else if (hba->cardtype == st_yel && st_sleep_mic != ST_IGNORED) {
+ } else if ((hba->cardtype == st_yel || hba->cardtype == st_P3)
+ && st_sleep_mic != ST_IGNORED) {
req->cdb[0] = MGT_CMD;
req->cdb[1] = MGT_CMD_SIGNATURE;
req->cdb[2] = CTLR_CONFIG_CMD;
@@ -1768,16 +1907,13 @@ static void stex_hba_stop(struct st_hba *hba, int st_sleep_mic)
req->cdb[1] = CTLR_POWER_STATE_CHANGE;
req->cdb[2] = CTLR_POWER_SAVING;
}
-
hba->ccb[tag].cmd = NULL;
hba->ccb[tag].sg_count = 0;
hba->ccb[tag].sense_bufflen = 0;
hba->ccb[tag].sense_buffer = NULL;
hba->ccb[tag].req_type = PASSTHRU_REQ_TYPE;
-
hba->send(hba, req, tag);
spin_unlock_irqrestore(hba->host->host_lock, flags);
-
before = jiffies;
while (hba->ccb[tag].req_type & PASSTHRU_REQ_TYPE) {
if (time_after(jiffies, before + ST_INTERNAL_TIMEOUT * HZ)) {
@@ -1821,24 +1957,30 @@ static void stex_remove(struct pci_dev *pdev)
scsi_host_put(hba->host);
pci_disable_device(pdev);
+
+ unregister_reboot_notifier(&stex_notifier);
}
static void stex_shutdown(struct pci_dev *pdev)
{
struct st_hba *hba = pci_get_drvdata(pdev);
- if (hba->supports_pm == 0)
+ if (hba->supports_pm == 0) {
stex_hba_stop(hba, ST_IGNORED);
- else
+ } else if (hba->supports_pm == 1 && S6flag) {
+ unregister_reboot_notifier(&stex_notifier);
+ stex_hba_stop(hba, ST_S6);
+ } else
stex_hba_stop(hba, ST_S5);
}
-static int stex_choice_sleep_mic(pm_message_t state)
+static int stex_choice_sleep_mic(struct st_hba *hba, pm_message_t state)
{
switch (state.event) {
case PM_EVENT_SUSPEND:
return ST_S3;
case PM_EVENT_HIBERNATE:
+ hba->msi_lock = 0;
return ST_S4;
default:
return ST_NOTHANDLED;
@@ -1849,8 +1991,9 @@ static int stex_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct st_hba *hba = pci_get_drvdata(pdev);
- if (hba->cardtype == st_yel && hba->supports_pm == 1)
- stex_hba_stop(hba, stex_choice_sleep_mic(state));
+ if ((hba->cardtype == st_yel || hba->cardtype == st_P3)
+ && hba->supports_pm == 1)
+ stex_hba_stop(hba, stex_choice_sleep_mic(hba, state));
else
stex_hba_stop(hba, ST_IGNORED);
return 0;
@@ -1864,6 +2007,12 @@ static int stex_resume(struct pci_dev *pdev)
stex_handshake(hba);
return 0;
}
+
+static int stex_halt(struct notifier_block *nb, unsigned long event, void *buf)
+{
+ S6flag = 1;
+ return NOTIFY_OK;
+}
MODULE_DEVICE_TABLE(pci, stex_pci_tbl);
static struct pci_driver stex_pci_driver = {
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 016639d7fef1..ae966dc3bbc5 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -476,6 +476,9 @@ struct storvsc_device {
*/
u64 node_name;
u64 port_name;
+#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
+ struct fc_rport *rport;
+#endif
};
struct hv_host_device {
@@ -864,7 +867,7 @@ static int storvsc_channel_init(struct hv_device *device, bool is_fc)
* We will however populate all the slots to evenly distribute
* the load.
*/
- stor_device->stor_chns = kzalloc(sizeof(void *) * num_possible_cpus(),
+ stor_device->stor_chns = kcalloc(num_possible_cpus(), sizeof(void *),
GFP_KERNEL);
if (stor_device->stor_chns == NULL)
return -ENOMEM;
@@ -1189,8 +1192,6 @@ static void storvsc_on_channel_callback(void *context)
break;
}
} while (1);
-
- return;
}
static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size,
@@ -1823,19 +1824,27 @@ static int storvsc_probe(struct hv_device *device,
target = (device->dev_instance.b[5] << 8 |
device->dev_instance.b[4]);
ret = scsi_add_device(host, 0, target, 0);
- if (ret) {
- scsi_remove_host(host);
- goto err_out2;
- }
+ if (ret)
+ goto err_out3;
}
#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
if (host->transportt == fc_transport_template) {
+ struct fc_rport_identifiers ids = {
+ .roles = FC_PORT_ROLE_FCP_DUMMY_INITIATOR,
+ };
+
fc_host_node_name(host) = stor_device->node_name;
fc_host_port_name(host) = stor_device->port_name;
+ stor_device->rport = fc_remote_port_add(host, 0, &ids);
+ if (!stor_device->rport)
+ goto err_out3;
}
#endif
return 0;
+err_out3:
+ scsi_remove_host(host);
+
err_out2:
/*
* Once we have connected with the host, we would need to
@@ -1861,8 +1870,10 @@ static int storvsc_remove(struct hv_device *dev)
struct Scsi_Host *host = stor_device->host;
#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
- if (host->transportt == fc_transport_template)
+ if (host->transportt == fc_transport_template) {
+ fc_remote_port_delete(stor_device->rport);
fc_remove_host(host);
+ }
#endif
scsi_remove_host(host);
storvsc_dev_remove(dev);
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 096e95b911bd..abc7e87937cc 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -130,19 +130,12 @@ enum {
UFSHCD_UIC_DME_ERROR = (1 << 5), /* DME error */
};
-/* Interrupt configuration options */
-enum {
- UFSHCD_INT_DISABLE,
- UFSHCD_INT_ENABLE,
- UFSHCD_INT_CLEAR,
-};
-
#define ufshcd_set_eh_in_progress(h) \
- (h->eh_flags |= UFSHCD_EH_IN_PROGRESS)
+ ((h)->eh_flags |= UFSHCD_EH_IN_PROGRESS)
#define ufshcd_eh_in_progress(h) \
- (h->eh_flags & UFSHCD_EH_IN_PROGRESS)
+ ((h)->eh_flags & UFSHCD_EH_IN_PROGRESS)
#define ufshcd_clear_eh_in_progress(h) \
- (h->eh_flags &= ~UFSHCD_EH_IN_PROGRESS)
+ ((h)->eh_flags &= ~UFSHCD_EH_IN_PROGRESS)
#define ufshcd_set_ufs_dev_active(h) \
((h)->curr_dev_pwr_mode = UFS_ACTIVE_PWR_MODE)
@@ -540,15 +533,14 @@ static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
case UFSHCI_VERSION_10:
intr_mask = INTERRUPT_MASK_ALL_VER_10;
break;
- /* allow fall through */
case UFSHCI_VERSION_11:
case UFSHCI_VERSION_20:
intr_mask = INTERRUPT_MASK_ALL_VER_11;
break;
- /* allow fall through */
case UFSHCI_VERSION_21:
default:
intr_mask = INTERRUPT_MASK_ALL_VER_21;
+ break;
}
return intr_mask;
@@ -573,12 +565,12 @@ static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba)
* the host controller
* @hba: pointer to adapter instance
*
- * Returns 1 if device present, 0 if no device detected
+ * Returns true if device present, false if no device detected
*/
-static inline int ufshcd_is_device_present(struct ufs_hba *hba)
+static inline bool ufshcd_is_device_present(struct ufs_hba *hba)
{
return (ufshcd_readl(hba, REG_CONTROLLER_STATUS) &
- DEVICE_PRESENT) ? 1 : 0;
+ DEVICE_PRESENT) ? true : false;
}
/**
@@ -668,16 +660,7 @@ static inline void ufshcd_outstanding_req_clear(struct ufs_hba *hba, int tag)
*/
static inline int ufshcd_get_lists_status(u32 reg)
{
- /*
- * The mask 0xFF is for the following HCS register bits
- * Bit Description
- * 0 Device Present
- * 1 UTRLRDY
- * 2 UTMRLRDY
- * 3 UCRDY
- * 4-7 reserved
- */
- return ((reg & 0xFF) >> 1) ^ 0x07;
+ return !((reg & UFSHCD_STATUS_READY) == UFSHCD_STATUS_READY);
}
/**
@@ -820,11 +803,12 @@ static inline void ufshcd_hba_start(struct ufs_hba *hba)
* ufshcd_is_hba_active - Get controller state
* @hba: per adapter instance
*
- * Returns zero if controller is active, 1 otherwise
+ * Returns false if controller is active, true otherwise
*/
-static inline int ufshcd_is_hba_active(struct ufs_hba *hba)
+static inline bool ufshcd_is_hba_active(struct ufs_hba *hba)
{
- return (ufshcd_readl(hba, REG_CONTROLLER_ENABLE) & 0x1) ? 0 : 1;
+ return (ufshcd_readl(hba, REG_CONTROLLER_ENABLE) & CONTROLLER_ENABLE)
+ ? false : true;
}
static const char *ufschd_uic_link_state_to_string(
@@ -1478,7 +1462,7 @@ start:
break;
}
/*
- * If we here, it means gating work is either done or
+ * If we are here, it means gating work is either done or
* currently running. Hence, fall through to cancel gating
* work and to enable clocks.
*/
@@ -3103,18 +3087,7 @@ static inline int ufshcd_read_power_desc(struct ufs_hba *hba,
u8 *buf,
u32 size)
{
- int err = 0;
- int retries;
-
- for (retries = QUERY_REQ_RETRIES; retries > 0; retries--) {
- /* Read descriptor*/
- err = ufshcd_read_desc(hba, QUERY_DESC_IDN_POWER, 0, buf, size);
- if (!err)
- break;
- dev_dbg(hba->dev, "%s: error %d retrying\n", __func__, err);
- }
-
- return err;
+ return ufshcd_read_desc(hba, QUERY_DESC_IDN_POWER, 0, buf, size);
}
static int ufshcd_read_device_desc(struct ufs_hba *hba, u8 *buf, u32 size)
@@ -4272,24 +4245,16 @@ static void ufshcd_set_queue_depth(struct scsi_device *sdev)
{
int ret = 0;
u8 lun_qdepth;
- int retries;
struct ufs_hba *hba;
hba = shost_priv(sdev->host);
lun_qdepth = hba->nutrs;
- for (retries = QUERY_REQ_RETRIES; retries > 0; retries--) {
- /* Read descriptor*/
- ret = ufshcd_read_unit_desc_param(hba,
- ufshcd_scsi_to_upiu_lun(sdev->lun),
- UNIT_DESC_PARAM_LU_Q_DEPTH,
- &lun_qdepth,
- sizeof(lun_qdepth));
- if (!ret || ret == -ENOTSUPP)
- break;
-
- dev_dbg(hba->dev, "%s: error %d retrying\n", __func__, ret);
- }
+ ret = ufshcd_read_unit_desc_param(hba,
+ ufshcd_scsi_to_upiu_lun(sdev->lun),
+ UNIT_DESC_PARAM_LU_Q_DEPTH,
+ &lun_qdepth,
+ sizeof(lun_qdepth));
/* Some WLUN doesn't support unit descriptor */
if (ret == -EOPNOTSUPP)
@@ -4717,7 +4682,7 @@ static int ufshcd_disable_ee(struct ufs_hba *hba, u16 mask)
goto out;
val = hba->ee_ctrl_mask & ~mask;
- val &= 0xFFFF; /* 2 bytes */
+ val &= MASK_EE_STATUS;
err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
QUERY_ATTR_IDN_EE_CONTROL, 0, 0, &val);
if (!err)
@@ -4745,7 +4710,7 @@ static int ufshcd_enable_ee(struct ufs_hba *hba, u16 mask)
goto out;
val = hba->ee_ctrl_mask | mask;
- val &= 0xFFFF; /* 2 bytes */
+ val &= MASK_EE_STATUS;
err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
QUERY_ATTR_IDN_EE_CONTROL, 0, 0, &val);
if (!err)
@@ -5960,24 +5925,6 @@ out:
return icc_level;
}
-static int ufshcd_set_icc_levels_attr(struct ufs_hba *hba, u32 icc_level)
-{
- int ret = 0;
- int retries;
-
- for (retries = QUERY_REQ_RETRIES; retries > 0; retries--) {
- /* write attribute */
- ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
- QUERY_ATTR_IDN_ACTIVE_ICC_LVL, 0, 0, &icc_level);
- if (!ret)
- break;
-
- dev_dbg(hba->dev, "%s: failed with error %d\n", __func__, ret);
- }
-
- return ret;
-}
-
static void ufshcd_init_icc_levels(struct ufs_hba *hba)
{
int ret;
@@ -5998,8 +5945,9 @@ static void ufshcd_init_icc_levels(struct ufs_hba *hba)
dev_dbg(hba->dev, "%s: setting icc_level 0x%x",
__func__, hba->init_prefetch_data.icc_level);
- ret = ufshcd_set_icc_levels_attr(hba,
- hba->init_prefetch_data.icc_level);
+ ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
+ QUERY_ATTR_IDN_ACTIVE_ICC_LVL, 0, 0,
+ &hba->init_prefetch_data.icc_level);
if (ret)
dev_err(hba->dev,
@@ -8000,7 +7948,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
INIT_WORK(&hba->clk_scaling.resume_work,
ufshcd_clk_scaling_resume_work);
- snprintf(wq_name, ARRAY_SIZE(wq_name), "ufs_clkscaling_%d",
+ snprintf(wq_name, sizeof(wq_name), "ufs_clkscaling_%d",
host->host_no);
hba->clk_scaling.workq = create_singlethread_workqueue(wq_name);
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index d14e9b965d1e..f60145d4a66e 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -48,6 +48,7 @@ enum {
REG_UFS_VERSION = 0x08,
REG_CONTROLLER_DEV_ID = 0x10,
REG_CONTROLLER_PROD_ID = 0x14,
+ REG_AUTO_HIBERNATE_IDLE_TIMER = 0x18,
REG_INTERRUPT_STATUS = 0x20,
REG_INTERRUPT_ENABLE = 0x24,
REG_CONTROLLER_STATUS = 0x30,
@@ -159,6 +160,10 @@ enum {
#define DEVICE_ERROR_INDICATOR UFS_BIT(5)
#define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0x7, 8)
+#define UFSHCD_STATUS_READY (UTP_TRANSFER_REQ_LIST_READY |\
+ UTP_TASK_REQ_LIST_READY |\
+ UIC_COMMAND_READY)
+
enum {
PWR_OK = 0x0,
PWR_LOCAL = 0x01,
@@ -171,6 +176,7 @@ enum {
/* HCE - Host Controller Enable 34h */
#define CONTROLLER_ENABLE UFS_BIT(0)
#define CONTROLLER_DISABLE 0x0
+#define CRYPTO_GENERAL_ENABLE UFS_BIT(1)
/* UECPA - Host UIC Error Code PHY Adapter Layer 38h */
#define UIC_PHY_ADAPTER_LAYER_ERROR UFS_BIT(31)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 939c47df73fa..a29d068b7696 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -29,6 +29,7 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_devinfo.h>
#include <linux/seqlock.h>
#include <linux/blk-mq-virtio.h>
@@ -705,6 +706,28 @@ static int virtscsi_device_reset(struct scsi_cmnd *sc)
return virtscsi_tmf(vscsi, cmd);
}
+static int virtscsi_device_alloc(struct scsi_device *sdevice)
+{
+ /*
+ * Passed through SCSI targets (e.g. with qemu's 'scsi-block')
+ * may have transfer limits which come from the host SCSI
+ * controller or something on the host side other than the
+ * target itself.
+ *
+ * To make this work properly, the hypervisor can adjust the
+ * target's VPD information to advertise these limits. But
+ * for that to work, the guest has to look at the VPD pages,
+ * which we won't do by default if it is an SPC-2 device, even
+ * if it does actually support it.
+ *
+ * So, set the blist to always try to read the VPD pages.
+ */
+ sdevice->sdev_bflags = BLIST_TRY_VPD_PAGES;
+
+ return 0;
+}
+
+
/**
* virtscsi_change_queue_depth() - Change a virtscsi target's queue depth
* @sdev: Virtscsi target whose queue depth to change
@@ -783,6 +806,7 @@ static struct scsi_host_template virtscsi_host_template_single = {
.change_queue_depth = virtscsi_change_queue_depth,
.eh_abort_handler = virtscsi_abort,
.eh_device_reset_handler = virtscsi_device_reset,
+ .slave_alloc = virtscsi_device_alloc,
.can_queue = 1024,
.dma_boundary = UINT_MAX,
diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c
index 97ccb0383539..b2cf1faa819d 100644
--- a/drivers/scsi/zalon.c
+++ b/drivers/scsi/zalon.c
@@ -167,7 +167,7 @@ static struct parisc_device_id zalon_tbl[] = {
MODULE_DEVICE_TABLE(parisc, zalon_tbl);
-static int __exit zalon_remove(struct parisc_device *dev)
+static int zalon_remove(struct parisc_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index da5033dd8cbc..2109844be53d 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -23,6 +23,7 @@
#include <linux/timer.h>
#include <linux/if.h>
#include <linux/percpu.h>
+#include <linux/refcount.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
@@ -321,7 +322,7 @@ struct fc_seq_els_data {
*/
struct fc_fcp_pkt {
spinlock_t scsi_pkt_lock;
- atomic_t ref_cnt;
+ refcount_t ref_cnt;
/* SCSI command and data transfer information */
u32 data_len;
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 583875ea136a..c9bd935f4fd1 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -29,6 +29,7 @@
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/kfifo.h>
+#include <linux/refcount.h>
#include <scsi/iscsi_proto.h>
#include <scsi/iscsi_if.h>
#include <scsi/scsi_transport_iscsi.h>
@@ -139,7 +140,7 @@ struct iscsi_task {
/* state set/tested under session->lock */
int state;
- atomic_t refcount;
+ refcount_t refcount;
struct list_head running; /* running cmd list */
void *dd_data; /* driver/transport data */
};
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index dae99d7d2bc0..dd0f72c95abe 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -693,7 +693,6 @@ extern int sas_bios_param(struct scsi_device *,
sector_t capacity, int *hsc);
extern struct scsi_transport_template *
sas_domain_attach_transport(struct sas_domain_function_template *);
-extern void sas_domain_release_transport(struct scsi_transport_template *);
int sas_discover_root_expander(struct domain_device *);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 080c7ce9bae8..05641aebd181 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -316,7 +316,7 @@ extern int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh);
void scsi_attach_vpd(struct scsi_device *sdev);
extern struct scsi_device *scsi_device_from_queue(struct request_queue *q);
-extern int scsi_device_get(struct scsi_device *);
+extern int __must_check scsi_device_get(struct scsi_device *);
extern void scsi_device_put(struct scsi_device *);
extern struct scsi_device *scsi_device_lookup(struct Scsi_Host *,
uint, uint, u64);
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index 891a658aa867..a5534ccad859 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -16,6 +16,7 @@ struct scsi_driver {
void (*uninit_command)(struct scsi_cmnd *);
int (*done)(struct scsi_cmnd *);
int (*eh_action)(struct scsi_cmnd *, int);
+ void (*eh_reset)(struct scsi_cmnd *);
};
#define to_scsi_driver(drv) \
container_of((drv), struct scsi_driver, gendrv)
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 98d366b55770..64d30d80dadb 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -23,14 +23,15 @@ static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr)
return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1));
}
-extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
- u64 * info_out);
+extern bool scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len,
+ u64 *info_out);
extern int scsi_ioctl_reset(struct scsi_device *, int __user *);
struct scsi_eh_save {
/* saved state */
int result;
+ int eh_eflags;
enum dma_data_direction data_direction;
unsigned underflow;
unsigned char cmd_len;
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 3cd8c3bec638..afb04811b7b9 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -452,11 +452,6 @@ struct scsi_host_template {
unsigned no_write_same:1;
/*
- * True if asynchronous aborts are not supported
- */
- unsigned no_async_abort:1;
-
- /*
* Countdown for host blocking with no commands outstanding.
*/
unsigned int max_host_blocked;
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index b21b8aa58c4d..6e208bb32c78 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -162,6 +162,7 @@ enum fc_tgtid_binding_type {
#define FC_PORT_ROLE_FCP_TARGET 0x01
#define FC_PORT_ROLE_FCP_INITIATOR 0x02
#define FC_PORT_ROLE_IP_PORT 0x04
+#define FC_PORT_ROLE_FCP_DUMMY_INITIATOR 0x08
/* The following are for compatibility */
#define FC_RPORT_ROLE_UNKNOWN FC_PORT_ROLE_UNKNOWN
diff --git a/include/scsi/sg.h b/include/scsi/sg.h
index 3afec7032448..20bc71c3e0b8 100644
--- a/include/scsi/sg.h
+++ b/include/scsi/sg.h
@@ -197,7 +197,6 @@ typedef struct sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
#define SG_DEFAULT_RETRIES 0
/* Defaults, commented if they differ from original sg driver */
-#define SG_DEF_FORCE_LOW_DMA 0 /* was 1 -> memory below 16MB on i386 */
#define SG_DEF_FORCE_PACK_ID 0
#define SG_DEF_KEEP_ORPHAN 0
#define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ /* load time option */