diff options
| author | Xiao Yang <yangx.jy@fujitsu.com> | 2022-12-01 17:37:08 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-02 02:51:09 +0300 |
| commit | 5c7af6c7938466aa2f3c52057f4dd28b4a1e9e42 (patch) | |
| tree | 9184d3bde6171fe43dd94cad7c9e469210171f5d /drivers/infiniband | |
| parent | c2d939002934fa9d7b802f196b069963b46da194 (diff) | |
| download | linux-5c7af6c7938466aa2f3c52057f4dd28b4a1e9e42.tar.xz | |
RDMA/rxe: Extend rxe packet format to support atomic write
Extend rxe_wr_opcode_info[] and rxe_opcode[] for new atomic write opcode.
Link: https://lore.kernel.org/r/1669905432-14-5-git-send-email-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_opcode.c | 18 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_opcode.h | 3 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_opcode.c b/drivers/infiniband/sw/rxe/rxe_opcode.c index d4ba4d506f17..fb196029048e 100644 --- a/drivers/infiniband/sw/rxe/rxe_opcode.c +++ b/drivers/infiniband/sw/rxe/rxe_opcode.c @@ -101,6 +101,12 @@ struct rxe_wr_opcode_info rxe_wr_opcode_info[] = { [IB_QPT_UC] = WR_LOCAL_OP_MASK, }, }, + [IB_WR_ATOMIC_WRITE] = { + .name = "IB_WR_ATOMIC_WRITE", + .mask = { + [IB_QPT_RC] = WR_ATOMIC_WRITE_MASK, + }, + }, }; struct rxe_opcode_info rxe_opcode[RXE_NUM_OPCODE] = { @@ -378,6 +384,18 @@ struct rxe_opcode_info rxe_opcode[RXE_NUM_OPCODE] = { RXE_IETH_BYTES, } }, + [IB_OPCODE_RC_ATOMIC_WRITE] = { + .name = "IB_OPCODE_RC_ATOMIC_WRITE", + .mask = RXE_RETH_MASK | RXE_PAYLOAD_MASK | RXE_REQ_MASK | + RXE_ATOMIC_WRITE_MASK | RXE_START_MASK | + RXE_END_MASK, + .length = RXE_BTH_BYTES + RXE_RETH_BYTES, + .offset = { + [RXE_BTH] = 0, + [RXE_RETH] = RXE_BTH_BYTES, + [RXE_PAYLOAD] = RXE_BTH_BYTES + RXE_RETH_BYTES, + } + }, /* UC */ [IB_OPCODE_UC_SEND_FIRST] = { diff --git a/drivers/infiniband/sw/rxe/rxe_opcode.h b/drivers/infiniband/sw/rxe/rxe_opcode.h index 8f9aaaf260f2..a470e9b0b884 100644 --- a/drivers/infiniband/sw/rxe/rxe_opcode.h +++ b/drivers/infiniband/sw/rxe/rxe_opcode.h @@ -20,6 +20,7 @@ enum rxe_wr_mask { WR_READ_MASK = BIT(3), WR_WRITE_MASK = BIT(4), WR_LOCAL_OP_MASK = BIT(5), + WR_ATOMIC_WRITE_MASK = BIT(7), WR_READ_OR_WRITE_MASK = WR_READ_MASK | WR_WRITE_MASK, WR_WRITE_OR_SEND_MASK = WR_WRITE_MASK | WR_SEND_MASK, @@ -81,6 +82,8 @@ enum rxe_hdr_mask { RXE_LOOPBACK_MASK = BIT(NUM_HDR_TYPES + 12), + RXE_ATOMIC_WRITE_MASK = BIT(NUM_HDR_TYPES + 14), + RXE_READ_OR_ATOMIC_MASK = (RXE_READ_MASK | RXE_ATOMIC_MASK), RXE_WRITE_OR_SEND_MASK = (RXE_WRITE_MASK | RXE_SEND_MASK), RXE_READ_OR_WRITE_MASK = (RXE_READ_MASK | RXE_WRITE_MASK), |