Commit 5c7af6c7 authored by Xiao Yang's avatar Xiao Yang Committed by Jason Gunthorpe
Browse files

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: default avatarXiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent c2d93900

drivers/infiniband/sw/rxe/rxe_opcode.c

+18 −0
Original line number Diff line number Diff line
@@ -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]			= {

drivers/infiniband/sw/rxe/rxe_opcode.h

+3 −0
Original line number Diff line number Diff line
@@ -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),