The attribute shows that rxe device supports RDMA Atomic Write operation.
Signed-off-by: Xiao Yang <yangx.jy@xxxxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_param.h | 3 ++-
include/rdma/ib_verbs.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
index 918270e34a35..6ae6c4079639 100644
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -53,7 +53,8 @@ enum rxe_device_param {
| IB_DEVICE_ALLOW_USER_UNREG
| IB_DEVICE_MEM_WINDOW
| IB_DEVICE_MEM_WINDOW_TYPE_2A
- | IB_DEVICE_MEM_WINDOW_TYPE_2B,
+ | IB_DEVICE_MEM_WINDOW_TYPE_2B
+ | IB_DEVICE_ATOMIC_WRITE,
RXE_MAX_SGE = 32,
RXE_MAX_WQE_SIZE = sizeof(struct rxe_send_wqe) +
sizeof(struct ib_sge) * RXE_MAX_SGE,
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index abd1c5d3dc66..580b5cacec09 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -291,6 +291,8 @@ enum ib_device_cap_flags {
/* The device supports padding incoming writes to cacheline. */
IB_DEVICE_PCI_WRITE_END_PADDING = (1ULL << 36),
IB_DEVICE_ALLOW_USER_UNREG = (1ULL << 37),
+ /* Atomic write attributes */
+ IB_DEVICE_ATOMIC_WRITE = (1ULL << 40),
};
enum ib_atomic_cap {
--
2.34.1
