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path: root/drivers/scsi/lpfc
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Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r--drivers/scsi/lpfc/lpfc.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c6
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h4
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c61
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c3
5 files changed, 69 insertions, 6 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index de6cd57dc7f6..763f32dd2d23 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -99,6 +99,7 @@ struct lpfc_sli2_slim;
#define FC_MAX_ADPTMSG 64
#define MAX_HBAEVT 32
+#define MAX_HBAS_NO_RESET 16
/* Number of MSI-X vectors the driver uses */
#define LPFC_MSIX_VECTORS 2
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 4114cf4308d0..b741dcb8ee64 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -3010,6 +3010,12 @@ MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
lpfc_poll_show, lpfc_poll_store);
+int lpfc_no_hba_reset_cnt;
+unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444);
+MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset");
+
LPFC_ATTR(sli_mode, 0, 0, 3,
"SLI mode selector:"
" 0 - auto (SLI-3 if supported),"
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 843dd73004da..54e6ac42fbcd 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -384,7 +384,7 @@ void lpfc_free_sysfs_attr(struct lpfc_vport *);
extern struct device_attribute *lpfc_hba_attrs[];
extern struct device_attribute *lpfc_vport_attrs[];
extern struct scsi_host_template lpfc_template;
-extern struct scsi_host_template lpfc_template_s3;
+extern struct scsi_host_template lpfc_template_no_hr;
extern struct scsi_host_template lpfc_template_nvme;
extern struct scsi_host_template lpfc_vport_template;
extern struct fc_function_template lpfc_transport_functions;
@@ -554,3 +554,5 @@ void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
struct lpfc_wcqe_complete *abts_cmpl);
extern int lpfc_enable_nvmet_cnt;
extern unsigned long long lpfc_enable_nvmet[];
+extern int lpfc_no_hba_reset_cnt;
+extern unsigned long lpfc_no_hba_reset[];
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index a0cba631869e..4fa21a9fd883 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -3555,6 +3555,44 @@ out_free_mem:
return rc;
}
+static uint64_t
+lpfc_get_wwpn(struct lpfc_hba *phba)
+{
+ uint64_t wwn;
+ int rc;
+ LPFC_MBOXQ_t *mboxq;
+ MAILBOX_t *mb;
+
+
+ mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!mboxq)
+ return (uint64_t)-1;
+
+ /* First get WWN of HBA instance */
+ lpfc_read_nv(phba, mboxq);
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ if (rc != MBX_SUCCESS) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "6019 Mailbox failed , mbxCmd x%x "
+ "READ_NV, mbxStatus x%x\n",
+ bf_get(lpfc_mqe_command, &mboxq->u.mqe),
+ bf_get(lpfc_mqe_status, &mboxq->u.mqe));
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return (uint64_t) -1;
+ }
+ mb = &mboxq->u.mb;
+ memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t));
+ /* wwn is WWPN of HBA instance */
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ return be64_to_cpu(wwn);
+ else
+ return (((wwn & 0xffffffff00000000) >> 32) |
+ ((wwn & 0x00000000ffffffff) << 32));
+
+}
+
/**
* lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping
* @phba: pointer to lpfc hba data structure.
@@ -3676,17 +3714,32 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
struct lpfc_vport *vport;
struct Scsi_Host *shost = NULL;
int error = 0;
+ int i;
+ uint64_t wwn;
+ bool use_no_reset_hba = false;
+
+ wwn = lpfc_get_wwpn(phba);
+
+ for (i = 0; i < lpfc_no_hba_reset_cnt; i++) {
+ if (wwn == lpfc_no_hba_reset[i]) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "6020 Setting use_no_reset port=%llx\n",
+ wwn);
+ use_no_reset_hba = true;
+ break;
+ }
+ }
if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
if (dev != &phba->pcidev->dev) {
shost = scsi_host_alloc(&lpfc_vport_template,
sizeof(struct lpfc_vport));
} else {
- if (phba->sli_rev == LPFC_SLI_REV4)
+ if (!use_no_reset_hba)
shost = scsi_host_alloc(&lpfc_template,
sizeof(struct lpfc_vport));
else
- shost = scsi_host_alloc(&lpfc_template_s3,
+ shost = scsi_host_alloc(&lpfc_template_no_hr,
sizeof(struct lpfc_vport));
}
} else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
@@ -5472,7 +5525,8 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
/* Initialize the host templates the configured values. */
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
- lpfc_template_s3.sg_tablesize = phba->cfg_sg_seg_cnt;
+ lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt;
+ lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
/* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
if (phba->cfg_enable_bg) {
@@ -5693,6 +5747,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
/* Initialize the host templates with the updated values. */
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
+ lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt;
if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 9d6384af9fce..bcfd6d6ab16d 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -5953,7 +5953,7 @@ struct scsi_host_template lpfc_template_nvme = {
.track_queue_depth = 0,
};
-struct scsi_host_template lpfc_template_s3 = {
+struct scsi_host_template lpfc_template_no_hr = {
.module = THIS_MODULE,
.name = LPFC_DRIVER_NAME,
.proc_name = LPFC_DRIVER_NAME,
@@ -6015,7 +6015,6 @@ struct scsi_host_template lpfc_vport_template = {
.eh_abort_handler = lpfc_abort_handler,
.eh_device_reset_handler = lpfc_device_reset_handler,
.eh_target_reset_handler = lpfc_target_reset_handler,
- .eh_bus_reset_handler = lpfc_bus_reset_handler,
.slave_alloc = lpfc_slave_alloc,
.slave_configure = lpfc_slave_configure,
.slave_destroy = lpfc_slave_destroy,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 20:33:05 +0000