diff mbox series

[for-next,v9,1/9] RDMA/rxe: Add bind MW fields to rxe_send_wr

Message ID 20210608042552.33275-2-rpearsonhpe@gmail.com (mailing list archive)
State New
Headers show
Series RDMA/rxe: Implement memory windows | expand

Commit Message

Pearson, Robert B June 8, 2021, 4:25 a.m. UTC
Add fields to struct rxe_send_wr in rdma_user_rxe.h to support bind MW
work requests

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
v8:
  Dropped the flags field in wr.mw which was no longer needed.
  The size of the mw struct broke binary compatibility because
  it extended the size of the wr union beyond 40 bytes.
Reported-by: Zhu Yanjun <zyjzyj2000@gmail.com>
---
 include/uapi/rdma/rdma_user_rxe.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h
index 068433e2229d..e283c2220aba 100644
--- a/include/uapi/rdma/rdma_user_rxe.h
+++ b/include/uapi/rdma/rdma_user_rxe.h
@@ -99,7 +99,16 @@  struct rxe_send_wr {
 			__u32	remote_qkey;
 			__u16	pkey_index;
 		} ud;
+		struct {
+			__aligned_u64	addr;
+			__aligned_u64	length;
+			__u32		mr_lkey;
+			__u32		mw_rkey;
+			__u32		rkey;
+			__u32		access;
+		} mw;
 		/* reg is only used by the kernel and is not part of the uapi */
+#ifdef __KERNEL__
 		struct {
 			union {
 				struct ib_mr *mr;
@@ -108,6 +117,7 @@  struct rxe_send_wr {
 			__u32	     key;
 			__u32	     access;
 		} reg;
+#endif
 	} wr;
 };