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-rw-r--r--drivers/scsi/qla2xxx/qla_def.h3
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c92
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c69
4 files changed, 51 insertions, 115 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 6b9bf23..7a81e98 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1570,9 +1570,6 @@ typedef struct fc_port {
struct fc_rport *rport, *drport;
u32 supported_classes;
- unsigned long last_queue_full;
- unsigned long last_ramp_up;
-
uint16_t vp_idx;
} fc_port_t;
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e218513..0b6801f 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -72,8 +72,6 @@ extern int ql2xloginretrycount;
extern int ql2xfdmienable;
extern int ql2xallocfwdump;
extern int ql2xextended_error_logging;
-extern int ql2xqfullrampup;
-extern int ql2xqfulltracking;
extern int ql2xiidmaenable;
extern int ql2xmaxqueues;
extern int ql2xmultique_tag;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 8049873..bc07d83 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -811,78 +811,6 @@ skip_rio:
qla2x00_alert_all_vps(rsp, mb);
}
-static void
-qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data)
-{
- fc_port_t *fcport = data;
- struct scsi_qla_host *vha = fcport->vha;
- struct qla_hw_data *ha = vha->hw;
- struct req_que *req = NULL;
-
- if (!ql2xqfulltracking)
- return;
-
- req = vha->req;
- if (!req)
- return;
- if (req->max_q_depth <= sdev->queue_depth)
- return;
-
- if (sdev->ordered_tags)
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
- sdev->queue_depth + 1);
- else
- scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG,
- sdev->queue_depth + 1);
-
- fcport->last_ramp_up = jiffies;
-
- DEBUG2(qla_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
- fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
- sdev->queue_depth));
-}
-
-static void
-qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data)
-{
- fc_port_t *fcport = data;
-
- if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1))
- return;
-
- DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
- "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
- fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
- sdev->queue_depth));
-}
-
-static inline void
-qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req,
- srb_t *sp)
-{
- fc_port_t *fcport;
- struct scsi_device *sdev;
-
- if (!ql2xqfulltracking)
- return;
-
- sdev = sp->cmd->device;
- if (sdev->queue_depth >= req->max_q_depth)
- return;
-
- fcport = sp->fcport;
- if (time_before(jiffies,
- fcport->last_ramp_up + ql2xqfullrampup * HZ))
- return;
- if (time_before(jiffies,
- fcport->last_queue_full + ql2xqfullrampup * HZ))
- return;
-
- starget_for_each_device(sdev->sdev_target, fcport,
- qla2x00_adjust_sdev_qdepth_up);
-}
-
/**
* qla2x00_process_completed_request() - Process a Fast Post response.
* @ha: SCSI driver HA context
@@ -913,8 +841,6 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha,
/* Save ISP completion status */
sp->cmd->result = DID_OK << 16;
-
- qla2x00_ramp_up_queue_depth(vha, req, sp);
qla2x00_sp_compl(ha, sp);
} else {
DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
@@ -1435,13 +1361,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
"scsi(%ld): QUEUE FULL status detected "
"0x%x-0x%x.\n", vha->host_no, comp_status,
scsi_status));
-
- /* Adjust queue depth for all luns on the port. */
- if (!ql2xqfulltracking)
- break;
- fcport->last_queue_full = jiffies;
- starget_for_each_device(cp->device->sdev_target,
- fcport, qla2x00_adjust_sdev_qdepth_down);
break;
}
if (lscsi_status != SS_CHECK_CONDITION)
@@ -1516,17 +1435,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
"scsi(%ld): QUEUE FULL status detected "
"0x%x-0x%x.\n", vha->host_no, comp_status,
scsi_status));
-
- /*
- * Adjust queue depth for all luns on the
- * port.
- */
- if (!ql2xqfulltracking)
- break;
- fcport->last_queue_full = jiffies;
- starget_for_each_device(
- cp->device->sdev_target, fcport,
- qla2x00_adjust_sdev_qdepth_down);
break;
}
if (lscsi_status != SS_CHECK_CONDITION)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 58edc0d..2f873d2 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -78,21 +78,6 @@ module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
"Maximum queue depth to report for target devices.");
-int ql2xqfulltracking = 1;
-module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xqfulltracking,
- "Controls whether the driver tracks queue full status "
- "returns and dynamically adjusts a scsi device's queue "
- "depth. Default is 1, perform tracking. Set to 0 to "
- "disable dynamic tracking and adjustment of queue depth.");
-
-int ql2xqfullrampup = 120;
-module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xqfullrampup,
- "Number of seconds to wait to begin to ramp-up the queue "
- "depth for a device after a queue-full condition has been "
- "detected. Default is 120 seconds.");
-
int ql2xiidmaenable=1;
module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xiidmaenable,
@@ -1217,13 +1202,61 @@ 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;
+
+ DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
+ "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
+ fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
+ sdev->queue_depth));
+}
+
+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 qla_hw_data *ha = vha->hw;
+ 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);
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
+ fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
+ sdev->queue_depth));
+}
+
static int
qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
+ 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;
+ }
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
return sdev->queue_depth;
}
generated by cgit v0.10.2 at 2024-11-15 15:03:59 (GMT)