tree dcb5d6a63ad4e1d88cfd58fca6ebfec4710cc998
parent 131736d34ebc3251d79ddfd08a5e57a3e86decd4
author Andrew Vasquez <[EMAIL PROTECTED]> Sat, 27 Aug 2005 09:09:30 -0700
committer James Bottomley <[EMAIL PROTECTED](none)> Mon, 05 Sep 2005 05:53:40
-0500
[SCSI] qla2xxx: Add change_queue_depth/type() API support.
Signed-off-by: Andrew Vasquez <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
drivers/scsi/qla2xxx/qla_os.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -111,6 +111,9 @@ static int qla2xxx_eh_host_reset(struct
static int qla2x00_loop_reset(scsi_qla_host_t *ha);
static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
+static int qla2x00_change_queue_depth(struct scsi_device *, int);
+static int qla2x00_change_queue_type(struct scsi_device *, int);
+
static struct scsi_host_template qla2x00_driver_template = {
.module = THIS_MODULE,
.name = "qla2xxx",
@@ -125,6 +128,8 @@ static struct scsi_host_template qla2x00
.slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy,
+ .change_queue_depth = qla2x00_change_queue_depth,
+ .change_queue_type = qla2x00_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
@@ -151,6 +156,8 @@ static struct scsi_host_template qla24xx
.slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy,
+ .change_queue_depth = qla2x00_change_queue_depth,
+ .change_queue_type = qla2x00_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
@@ -1109,6 +1116,28 @@ qla2xxx_slave_destroy(struct scsi_device
sdev->hostdata = NULL;
}
+static int
+qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+ 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
-
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