IB/uverbs: Return actual capacity from create SRQ operation (ea88fd16) · Commits · 戴 / test

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>

drivers/infiniband/core/uverbs_cmd.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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)) {

include/rdma/ib_user_verbs.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -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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