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path: root/drivers/scsi/qla2xxx/qla_iocb.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 6bf6c08650e8..73cc96da9421 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -5,6 +5,7 @@
5 * See LICENSE.qla2xxx for copyright and licensing details. 5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */ 6 */
7#include "qla_def.h" 7#include "qla_def.h"
8#include "qla_target.h"
8 9
9#include <linux/blkdev.h> 10#include <linux/blkdev.h>
10#include <linux/delay.h> 11#include <linux/delay.h>
@@ -470,7 +471,7 @@ queuing_error:
470/** 471/**
471 * qla2x00_start_iocbs() - Execute the IOCB command 472 * qla2x00_start_iocbs() - Execute the IOCB command
472 */ 473 */
473static void 474void
474qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) 475qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req)
475{ 476{
476 struct qla_hw_data *ha = vha->hw; 477 struct qla_hw_data *ha = vha->hw;
@@ -571,6 +572,29 @@ qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
571 return (ret); 572 return (ret);
572} 573}
573 574
575/*
576 * qla2x00_issue_marker
577 *
578 * Issue marker
579 * Caller CAN have hardware lock held as specified by ha_locked parameter.
580 * Might release it, then reaquire.
581 */
582int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked)
583{
584 if (ha_locked) {
585 if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
586 MK_SYNC_ALL) != QLA_SUCCESS)
587 return QLA_FUNCTION_FAILED;
588 } else {
589 if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
590 MK_SYNC_ALL) != QLA_SUCCESS)
591 return QLA_FUNCTION_FAILED;
592 }
593 vha->marker_needed = 0;
594
595 return QLA_SUCCESS;
596}
597
574/** 598/**
575 * qla24xx_calc_iocbs() - Determine number of Command Type 3 and 599 * qla24xx_calc_iocbs() - Determine number of Command Type 3 and
576 * Continuation Type 1 IOCBs to allocate. 600 * Continuation Type 1 IOCBs to allocate.