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Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_ctl.c')
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_ctl.c31
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 537de1b7e8e5..9cddc3074cd1 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -567,11 +567,10 @@ _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg,
Mpi2SCSITaskManagementRequest_t *tm_request)
{
u8 found = 0;
- u16 i;
+ u16 smid;
u16 handle;
struct scsi_cmnd *scmd;
struct MPT3SAS_DEVICE *priv_data;
- unsigned long flags;
Mpi2SCSITaskManagementReply_t *tm_reply;
u32 sz;
u32 lun;
@@ -587,11 +586,11 @@ _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg,
lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
handle = le16_to_cpu(tm_request->DevHandle);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- for (i = ioc->scsiio_depth; i && !found; i--) {
- scmd = ioc->scsi_lookup[i - 1].scmd;
- if (scmd == NULL || scmd->device == NULL ||
- scmd->device->hostdata == NULL)
+ for (smid = ioc->scsiio_depth; smid && !found; smid--) {
+ struct scsiio_tracker *st;
+
+ scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
+ if (!scmd)
continue;
if (lun != scmd->device->lun)
continue;
@@ -600,10 +599,10 @@ _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg,
continue;
if (priv_data->sas_target->handle != handle)
continue;
- tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid);
+ st = scsi_cmd_priv(scmd);
+ tm_request->TaskMID = cpu_to_le16(st->smid);
found = 1;
}
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
if (!found) {
dctlprintk(ioc, pr_info(MPT3SAS_FMT
@@ -724,14 +723,8 @@ _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;
@@ -1081,8 +1074,8 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg,
le16_to_cpu(mpi_request->FunctionDependent1));
mpt3sas_halt_firmware(ioc);
mpt3sas_scsih_issue_locked_tm(ioc,
- le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
- 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
+ le16_to_cpu(mpi_request->FunctionDependent1), 0,
+ MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 0, 30);
} else
mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
}