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[SCSI] qla2xxx: Add change_queue_depth/type() API support. 

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Andrew Vasquez 2005-08-26 19:09:30 -07:00 committed by James Bottomley
parent 131736d34e
commit ce7e4af7f5
1 changed files with 29 additions and 0 deletions
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29
drivers/scsi/qla2xxx/qla_os.c
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@ -111,6 +111,9 @@ static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
static int qla2x00_loop_reset(scsi_qla_host_t *ha); 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_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 = { static struct scsi_host_template qla2x00_driver_template = {
.module = THIS_MODULE, .module = THIS_MODULE,
.name = "qla2xxx", .name = "qla2xxx",
@ -125,6 +128,8 @@ static struct scsi_host_template qla2x00_driver_template = {
.slave_alloc = qla2xxx_slave_alloc, .slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy, .slave_destroy = qla2xxx_slave_destroy,
.change_queue_depth = qla2x00_change_queue_depth,
.change_queue_type = qla2x00_change_queue_type,
.this_id = -1, .this_id = -1,
.cmd_per_lun = 3, .cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING, .use_clustering = ENABLE_CLUSTERING,
@ -151,6 +156,8 @@ static struct scsi_host_template qla24xx_driver_template = {
.slave_alloc = qla2xxx_slave_alloc, .slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy, .slave_destroy = qla2xxx_slave_destroy,
.change_queue_depth = qla2x00_change_queue_depth,
.change_queue_type = qla2x00_change_queue_type,
.this_id = -1, .this_id = -1,
.cmd_per_lun = 3, .cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING, .use_clustering = ENABLE_CLUSTERING,
@ -1109,6 +1116,28 @@ qla2xxx_slave_destroy(struct scsi_device *sdev)
sdev->hostdata = NULL; 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. * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
* @ha: HA context * @ha: HA context