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Subject[RFC PATCH rdma-next 09/10] RDMA/rxe: Implement flush completion
Date
Introduce a new IB_UVERBS_WC_FLUSH code to tell userspace a FLUSH
completion.

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
---
drivers/infiniband/sw/rxe/rxe_comp.c | 4 +++-
include/rdma/ib_verbs.h | 1 +
include/uapi/rdma/ib_user_verbs.h | 1 +
3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index f363fe3fa414..e5b9d07eba93 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -104,6 +104,7 @@ static enum ib_wc_opcode wr_to_wc_opcode(enum ib_wr_opcode opcode)
case IB_WR_LOCAL_INV: return IB_WC_LOCAL_INV;
case IB_WR_REG_MR: return IB_WC_REG_MR;
case IB_WR_BIND_MW: return IB_WC_BIND_MW;
+ case IB_WR_RDMA_FLUSH: return IB_WC_RDMA_FLUSH;

default:
return 0xff;
@@ -261,7 +262,8 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
*/
case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE:
if (wqe->wr.opcode != IB_WR_RDMA_READ &&
- wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV) {
+ wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV &&
+ wqe->wr.opcode != IB_WR_RDMA_FLUSH) {
wqe->status = IB_WC_FATAL_ERR;
return COMPST_ERROR;
}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index d336f2f8bb69..d528f2c4eba0 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -963,6 +963,7 @@ const char *__attribute_const__ ib_wc_status_msg(enum ib_wc_status status);
enum ib_wc_opcode {
IB_WC_SEND = IB_UVERBS_WC_SEND,
IB_WC_RDMA_WRITE = IB_UVERBS_WC_RDMA_WRITE,
+ IB_WC_RDMA_FLUSH = IB_UVERBS_WC_FLUSH,
IB_WC_RDMA_READ = IB_UVERBS_WC_RDMA_READ,
IB_WC_COMP_SWAP = IB_UVERBS_WC_COMP_SWAP,
IB_WC_FETCH_ADD = IB_UVERBS_WC_FETCH_ADD,
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index efa06f53c7c6..b9d6b3ca5708 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -476,6 +476,7 @@ enum ib_uverbs_wc_opcode {
IB_UVERBS_WC_BIND_MW = 5,
IB_UVERBS_WC_LOCAL_INV = 6,
IB_UVERBS_WC_TSO = 7,
+ IB_UVERBS_WC_FLUSH = 8,
};

struct ib_uverbs_wc {
--
2.31.1


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