[SCSI] qla2xxx: Add APEX support.
Allows priority setting for FCP_CMNDs.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 7f3bc45..e9c9f82 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3896,3 +3896,50 @@
return rval;
}
+
+int
+qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
+ uint16_t *mb)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
+ return QLA_FUNCTION_FAILED;
+
+ DEBUG11(printk(KERN_INFO
+ "%s(%ld): entered.\n", __func__, ha->host_no));
+
+ mcp->mb[0] = MBC_PORT_PARAMS;
+ mcp->mb[1] = loop_id;
+ if (ha->flags.fcp_prio_enabled)
+ mcp->mb[2] = BIT_1;
+ else
+ mcp->mb[2] = BIT_2;
+ mcp->mb[4] = priority & 0xf;
+ mcp->mb[9] = vha->vp_idx;
+ mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0;
+ mcp->tov = 30;
+ mcp->flags = 0;
+ rval = qla2x00_mailbox_command(vha, mcp);
+ if (mb != NULL) {
+ mb[0] = mcp->mb[0];
+ mb[1] = mcp->mb[1];
+ mb[3] = mcp->mb[3];
+ mb[4] = mcp->mb[4];
+ }
+
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3_11(printk(KERN_WARNING
+ "%s(%ld): failed=%x.\n", __func__,
+ vha->host_no, rval));
+ } else {
+ DEBUG11(printk(KERN_INFO
+ "%s(%ld): done.\n", __func__, vha->host_no));
+ }
+
+ return rval;
+}