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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c83
1 files changed, 5 insertions, 78 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index db3dbd999cb6..6b4d9235368a 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -236,8 +236,6 @@ static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
-static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
-static int qla2x00_change_queue_type(struct scsi_device *, int);
static void qla2x00_clear_drv_active(struct qla_hw_data *);
static void qla2x00_free_device(scsi_qla_host_t *);
static void qla83xx_disable_laser(scsi_qla_host_t *vha);
@@ -259,8 +257,8 @@ struct scsi_host_template qla2xxx_driver_template = {
.slave_destroy = qla2xxx_slave_destroy,
.scan_finished = qla2xxx_scan_finished,
.scan_start = qla2xxx_scan_start,
- .change_queue_depth = qla2x00_change_queue_depth,
- .change_queue_type = qla2x00_change_queue_type,
+ .change_queue_depth = scsi_change_queue_depth,
+ .change_queue_type = scsi_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
@@ -270,6 +268,8 @@ struct scsi_host_template qla2xxx_driver_template = {
.shost_attrs = qla2x00_host_attrs,
.supported_mode = MODE_INITIATOR,
+ .use_blk_tags = 1,
+ .track_queue_depth = 1,
};
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
@@ -1405,10 +1405,7 @@ qla2xxx_slave_configure(struct scsi_device *sdev)
if (IS_T10_PI_CAPABLE(vha->hw))
blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
- if (sdev->tagged_supported)
- scsi_activate_tcq(sdev, req->max_q_depth);
- else
- scsi_deactivate_tcq(sdev, req->max_q_depth);
+ scsi_change_queue_depth(sdev, req->max_q_depth);
return 0;
}
@@ -1418,76 +1415,6 @@ qla2xxx_slave_destroy(struct scsi_device *sdev)
sdev->hostdata = NULL;
}
-static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
-{
- fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
-
- if (!scsi_track_queue_full(sdev, qdepth))
- return;
-
- ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
- "Queue depth adjusted-down to %d for nexus=%ld:%d:%llu.\n",
- sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
-}
-
-static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
-{
- fc_port_t *fcport = sdev->hostdata;
- struct scsi_qla_host *vha = fcport->vha;
- struct req_que *req = NULL;
-
- req = vha->req;
- if (!req)
- return;
-
- if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
- return;
-
- if (sdev->ordered_tags)
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
- else
- scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
-
- ql_dbg(ql_dbg_io, vha, 0x302a,
- "Queue depth adjusted-up to %d for nexus=%ld:%d:%llu.\n",
- sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
-}
-
-static int
-qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
-{
- switch (reason) {
- case SCSI_QDEPTH_DEFAULT:
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
- break;
- case SCSI_QDEPTH_QFULL:
- qla2x00_handle_queue_full(sdev, qdepth);
- break;
- case SCSI_QDEPTH_RAMP_UP:
- qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- return sdev->queue_depth;
-}
-
-static int
-qla2x00_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;
-}
-
/**
* qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
* @ha: HA context