diff options
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 19 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.c | 10 |
2 files changed, 15 insertions, 14 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 1ea4232dbe22..d4b32af48782 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -908,14 +908,18 @@ static u8 _base_get_cb_idx(struct MPT3SAS_ADAPTER *ioc, u16 smid) { int i; + u16 ctl_smid = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT + 1; u8 cb_idx = 0xFF; if (smid < ioc->hi_priority_smid) { struct scsiio_tracker *st; - st = mpt3sas_get_st_from_smid(ioc, smid); - if (st) - cb_idx = st->cb_idx; + if (smid < ctl_smid) { + st = mpt3sas_get_st_from_smid(ioc, smid); + if (st) + cb_idx = st->cb_idx; + } else if (smid == ctl_smid) + cb_idx = ioc->ctl_cb_idx; } else if (smid < ioc->internal_smid) { i = smid - ioc->hi_priority_smid; cb_idx = ioc->hpr_lookup[i].cb_idx; @@ -2922,7 +2926,9 @@ mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid) ioc->scsi_lookup[i].cb_idx = 0xFF; ioc->scsi_lookup[i].scmd = NULL; ioc->scsi_lookup[i].direct_io = 0; - list_add(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list); + if (i < ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) + list_add(&ioc->scsi_lookup[i].tracker_list, + &ioc->free_list); spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); _base_recovery_check(ioc); @@ -5787,8 +5793,9 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc) ioc->scsi_lookup[i].smid = smid; ioc->scsi_lookup[i].scmd = NULL; ioc->scsi_lookup[i].direct_io = 0; - list_add_tail(&ioc->scsi_lookup[i].tracker_list, - &ioc->free_list); + if (i < ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) + list_add_tail(&ioc->scsi_lookup[i].tracker_list, + &ioc->free_list); } /* hi-priority queue */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index b4c374b08e5e..4f23498946ee 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -724,14 +724,8 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, goto out; } } else { - - smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); - if (!smid) { - pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } + /* Use first reserved smid for passthrough ioctls */ + smid = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT + 1; } ret = 0; |