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RDMA/rxe: Extend rxe packet format to support atomic write

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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>
This commit is contained in:
Xiao Yang 2022-12-01 14:37:08 +00:00 committed by Jason Gunthorpe
parent c2d9390029
commit 5c7af6c793
2 changed files with 21 additions and 0 deletions
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18
drivers/infiniband/sw/rxe/rxe_opcode.c
View File

@ -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] = {

3
drivers/infiniband/sw/rxe/rxe_opcode.h
View File

@ -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),