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Commit fe8f7f9c authored by James Smart's avatar James Smart Committed by James Bottomley
Browse files

[SCSI] lpfc 8.3.37: Provide support for change_queue_type 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 70233ac5

drivers/scsi/lpfc/lpfc_scsi.c

+23 −1
Original line number Diff line number Diff line
@@ -287,6 +287,26 @@ lpfc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) 
	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

 * @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;

		}

	} else

		fcp_cmnd->fcpCntl1 = 0;

		fcp_cmnd->fcpCntl1 = SIMPLE_Q;



	sli4 = (phba->sli_rev == LPFC_SLI_REV4);
@@ -5150,6 +5170,7 @@ struct scsi_host_template lpfc_template = { 
	.max_sectors		= 0xFFFF,

	.vendor_id		= LPFC_NL_VENDOR_ID,

	.change_queue_depth	= lpfc_change_queue_depth,

	.change_queue_type	= lpfc_change_queue_type,

};



struct scsi_host_template lpfc_vport_template = {
@@ -5172,4 +5193,5 @@ struct scsi_host_template lpfc_vport_template = { 
	.shost_attrs		= lpfc_vport_attrs,

	.max_sectors		= 0xFFFF,

	.change_queue_depth	= lpfc_change_queue_depth,

	.change_queue_type	= lpfc_change_queue_type,

};