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RDMA/rxe: Extend rxe user ABI to support flush 

This commit extends the rxe user ABI to support the flush
operation defined in IBA A19.4.1. These changes are
backward compatible with the existing rxe user ABI.

The user API request a flush by filling this structure.

Link: https://lore.kernel.org/r/20221206130201.30986-4-lizhijian@fujitsu.com
Reviewed-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Li Zhijian 2022-12-06 21:01:54 +08:00 committed by Jason Gunthorpe
parent 208e3a134b
commit 668ce52d5e
1 changed files with 7 additions and 0 deletions
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7
include/uapi/rdma/rdma_user_rxe.h
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@ -82,6 +82,13 @@ struct rxe_send_wr {
__u32 invalidate_rkey; __u32 invalidate_rkey;
} ex; } ex;
union { union {
struct {
__aligned_u64 remote_addr;
__u32 length;
__u32 rkey;
__u8 type;
__u8 level;
} flush;
struct { struct {
__aligned_u64 remote_addr; __aligned_u64 remote_addr;
__u32 rkey; __u32 rkey;