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authorDotan Barak <dotanb@mellanox.co.il>2006-02-23 12:36:18 -0800
committerRoland Dreier <rolandd@cisco.com>2006-03-20 10:08:16 -0800
commitea88fd16d6e85f4bc71b6053180b64f04be1ff14 (patch)
treeea0f02aca9bb83f636e60002a9f98f9dab6d57e0
parentabb6e9ba17eb133ab385d0f9017fa8afa809d52a (diff)
downloadop-kernel-dev-ea88fd16d6e85f4bc71b6053180b64f04be1ff14.zip
op-kernel-dev-ea88fd16d6e85f4bc71b6053180b64f04be1ff14.tar.gz
IB/uverbs: Return actual capacity from create SRQ operation
Pass actual capacity of created SRQ back to userspace, so that userspace can report accurate capacities. This requires an ABI bump, to change struct ib_uverbs_create_srq_resp. Signed-off-by: Dotan Barak <dotanb@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c2
-rw-r--r--include/rdma/ib_user_verbs.h5
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 38a66fb..b157e5f 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1864,6 +1864,8 @@ retry:
goto err_destroy;
resp.srq_handle = uobj->uobject.id;
+ resp.max_wr = attr.attr.max_wr;
+ resp.max_sge = attr.attr.max_sge;
if (copy_to_user((void __user *) (unsigned long) cmd.response,
&resp, sizeof resp)) {
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index 3bf4402..338ed43 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -44,7 +44,7 @@
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
-#define IB_USER_VERBS_ABI_VERSION 5
+#define IB_USER_VERBS_ABI_VERSION 6
enum {
IB_USER_VERBS_CMD_GET_CONTEXT,
@@ -605,6 +605,9 @@ struct ib_uverbs_create_srq {
struct ib_uverbs_create_srq_resp {
__u32 srq_handle;
+ __u32 max_wr;
+ __u32 max_sge;
+ __u32 reserved;
};
struct ib_uverbs_modify_srq {
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