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[SCSI] lpfc 8.3.37: Provide support for change_queue_type

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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-01-03 15:43:03 -05:00 committed by James Bottomley
parent 70233ac51b
commit fe8f7f9ced
1 changed files with 23 additions and 1 deletions
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24
drivers/scsi/lpfc/lpfc_scsi.c
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@ -287,6 +287,26 @@ lpfc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
return sdev->queue_depth; return sdev->queue_depth;
} }
/**
* lpfc_change_queue_type() - Change a device's scsi tag queuing type
* @sdev: Pointer the scsi device whose queue depth is to change
* @tag_type: Identifier for queue tag type
*/
static int
lpfc_change_queue_type(struct scsi_device *sdev, int tag_type)
{
if (sdev->tagged_supported) {
scsi_set_tag_type(sdev, tag_type);
if (tag_type)
scsi_activate_tcq(sdev, sdev->queue_depth);
else
scsi_deactivate_tcq(sdev, sdev->queue_depth);
} else
tag_type = 0;
return tag_type;
}
/** /**
* lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread * lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread
* @phba: The Hba for which this call is being executed. * @phba: The Hba for which this call is being executed.
@ -3972,7 +3992,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
break; break;
} }
} else } else
fcp_cmnd->fcpCntl1 = 0; fcp_cmnd->fcpCntl1 = SIMPLE_Q;
sli4 = (phba->sli_rev == LPFC_SLI_REV4); sli4 = (phba->sli_rev == LPFC_SLI_REV4);
@ -5150,6 +5170,7 @@ struct scsi_host_template lpfc_template = {
.max_sectors = 0xFFFF, .max_sectors = 0xFFFF,
.vendor_id = LPFC_NL_VENDOR_ID, .vendor_id = LPFC_NL_VENDOR_ID,
.change_queue_depth = lpfc_change_queue_depth, .change_queue_depth = lpfc_change_queue_depth,
.change_queue_type = lpfc_change_queue_type,
}; };
struct scsi_host_template lpfc_vport_template = { struct scsi_host_template lpfc_vport_template = {
@ -5172,4 +5193,5 @@ struct scsi_host_template lpfc_vport_template = {
.shost_attrs = lpfc_vport_attrs, .shost_attrs = lpfc_vport_attrs,
.max_sectors = 0xFFFF, .max_sectors = 0xFFFF,
.change_queue_depth = lpfc_change_queue_depth, .change_queue_depth = lpfc_change_queue_depth,
.change_queue_type = lpfc_change_queue_type,
}; };