diff mbox series

[rdma-core,2/6] verbs: Add SRQ as ODP capability support

Message ID 1550674658-13295-3-git-send-email-yishaih@mellanox.com (mailing list archive)
State Not Applicable
Headers show
Series verbs: Enhanced ODP functionality | expand

Commit Message

Yishai Hadas Feb. 20, 2019, 2:57 p.m. UTC 
From: Moni Shoua <monis@mellanox.com>

Support in ODP with SRQ is considered as a per-transport capability.
Applications need to check that SRQ with ODP is supported if access to
an ODP MR happens with a QP that has a shared receive queue.

In addition, ibv_devinfo was updated to report this capability.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
---
 libibverbs/examples/devinfo.c        | 5 ++++-
 libibverbs/man/ibv_query_device_ex.3 | 1 +
 libibverbs/verbs.h                   | 1 +
 3 files changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/libibverbs/examples/devinfo.c b/libibverbs/examples/devinfo.c
index 75bdd8c..e928b05 100644
--- a/libibverbs/examples/devinfo.c
+++ b/libibverbs/examples/devinfo.c
@@ -288,7 +288,8 @@  static void print_odp_trans_caps(uint32_t trans)
 					    IBV_ODP_SUPPORT_RECV |
 					    IBV_ODP_SUPPORT_WRITE |
 					    IBV_ODP_SUPPORT_READ |
-					    IBV_ODP_SUPPORT_ATOMIC);
+					    IBV_ODP_SUPPORT_ATOMIC |
+					    IBV_ODP_SUPPORT_SRQ_RECV);
 
 	if (!trans) {
 		printf("\t\t\t\t\tNO SUPPORT\n");
@@ -303,6 +304,8 @@  static void print_odp_trans_caps(uint32_t trans)
 			printf("\t\t\t\t\tSUPPORT_READ\n");
 		if (trans & IBV_ODP_SUPPORT_ATOMIC)
 			printf("\t\t\t\t\tSUPPORT_ATOMIC\n");
+		if (trans & IBV_ODP_SUPPORT_SRQ_RECV)
+			printf("\t\t\t\t\tSUPPORT_SRQ\n");
 		if (trans & unknown_transport_caps)
 			printf("\t\t\t\t\tUnknown flags: 0x%" PRIX32 "\n",
 			       trans & unknown_transport_caps);
diff --git a/libibverbs/man/ibv_query_device_ex.3 b/libibverbs/man/ibv_query_device_ex.3
index 3ad9eec..f99f818 100644
--- a/libibverbs/man/ibv_query_device_ex.3
+++ b/libibverbs/man/ibv_query_device_ex.3
@@ -60,6 +60,7 @@  enum ibv_odp_transport_cap_bits {
         IBV_ODP_SUPPORT_WRITE    = 1 << 2, /* RDMA-Write operations support on-demand paging */
         IBV_ODP_SUPPORT_READ     = 1 << 3, /* RDMA-Read operations support on-demand paging */
         IBV_ODP_SUPPORT_ATOMIC   = 1 << 4, /* RDMA-Atomic operations support on-demand paging */
+        IBV_ODP_SUPPORT_SRQ_RECV = 1 << 5, /* SRQ receive operations support on-demand paging */
 };
 
 struct ibv_tso_caps {
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index 94e4916..9561e39 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -204,6 +204,7 @@  enum ibv_odp_transport_cap_bits {
 	IBV_ODP_SUPPORT_WRITE    = 1 << 2,
 	IBV_ODP_SUPPORT_READ     = 1 << 3,
 	IBV_ODP_SUPPORT_ATOMIC   = 1 << 4,
+	IBV_ODP_SUPPORT_SRQ_RECV = 1 << 5,
 };
 
 struct ibv_odp_caps {