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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 38a66fbef36d..b157e5ff7dad 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)) {