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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2010-09-03 15:20:56 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-09-05 15:36:25 -0300
commit58548cb51a824276c34a3227a4917d2e2ded0daa (patch)
tree788f6633ff6cb850cf77e4b47683260a2e582a94
parent3fadb80b0f39b193caafeed615a219aae57279fe (diff)
[SCSI] qla2xxx: Increase SG table size to support large IO size per scsi command.
The sg table size is increased from 128 to 1024 to support multiple sg lists and number of sg elements per scsi command. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c12
2 files changed, 12 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index ee15f4f10fe..df7d74f93e5 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2989,6 +2989,8 @@ typedef struct scsi_qla_host {
#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
+#define QLA_SG_ALL 1024
+
enum nexus_wait_type {
WAIT_HOST = 0,
WAIT_TARGET,
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index e1782f77140..2e10f2b2e01 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2136,8 +2136,16 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
else
base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
base_vha->vp_idx;
- if (IS_QLA2100(ha))
- host->sg_tablesize = 32;
+
+ /* Set the SG table size based on ISP type */
+ if (!IS_FWI2_CAPABLE(ha)) {
+ if (IS_QLA2100(ha))
+ host->sg_tablesize = 32;
+ } else {
+ if (!IS_QLA82XX(ha))
+ host->sg_tablesize = QLA_SG_ALL;
+ }
+
host->max_id = max_id;
host->this_id = 255;
host->cmd_per_lun = 3;