QoS support according to the proposed LWG2 QoS Annex:
pass sevice ID in SA query
Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
---
Index: linux-2.6/drivers/infiniband/ulp/srp/ib_srp.c
===================================================================
--- linux-2.6.orig/drivers/infiniband/ulp/srp/ib_srp.c
+++ linux-2.6/drivers/infiniband/ulp/srp/ib_srp.c
@@ -62,6 +62,11 @@ MODULE_DESCRIPTION("InfiniBand SCSI RDMA
"v" DRV_VERSION " (" DRV_RELDATE ")");
MODULE_LICENSE("Dual BSD/GPL");
+static int srp_qos_support;
+
+module_param_named(qos_support, srp_qos_support, int, 0644);
+MODULE_PARM_DESC(qos_support, "Enable QoS support if > 0.");
+
static int srp_sg_tablesize = SRP_DEF_SG_TABLESIZE;
static int srp_max_iu_len;
@@ -267,7 +272,23 @@ static int srp_lookup_path(struct srp_ta
init_completion(&target->done);
- target->path_query_id = ib_sa_path_rec_get(&srp_sa_client,
+ if (srp_qos_support) {
+ ib_sa_comp_mask m = IB_SA_PATH_REC_DGID |
+ IB_SA_PATH_REC_SGID |
+ IB_SA_PATH_REC_NUMB_PATH |
+ IB_SA_PATH_REC_PKEY;
+ target->path.service_id = target->service_id;
+ m |= IB_SA_PATH_REC_SERVICE_ID;
+ target->path_query_id = ib_sa_path_rec_get(&srp_sa_client,
+ target->srp_host->dev->dev,
+ target->srp_host->port,
+ &target->path, m,
+ SRP_PATH_REC_TIMEOUT_MS,
+ GFP_KERNEL,
+ srp_path_rec_completion,
+ target, &target->path_query);
+ } else
+ target->path_query_id = ib_sa_path_rec_get(&srp_sa_client,
target->srp_host->dev->dev,
target->srp_host->port,
&target->path,
--
MST
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