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/*
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef RXE_OPCODE_H
#define RXE_OPCODE_H
/*
* contains header bit mask definitions and header lengths
* declaration of the rxe_opcode_info struct and
* rxe_wr_opcode_info struct
*/
enum rxe_wr_mask {
WR_INLINE_MASK = BIT(0),
WR_ATOMIC_MASK = BIT(1),
WR_SEND_MASK = BIT(2),
WR_READ_MASK = BIT(3),
WR_WRITE_MASK = BIT(4),
WR_LOCAL_MASK = BIT(5),
WR_REG_MASK = BIT(6),
WR_READ_OR_WRITE_MASK = WR_READ_MASK | WR_WRITE_MASK,
WR_READ_WRITE_OR_SEND_MASK = WR_READ_OR_WRITE_MASK | WR_SEND_MASK,
WR_WRITE_OR_SEND_MASK = WR_WRITE_MASK | WR_SEND_MASK,
WR_ATOMIC_OR_READ_MASK = WR_ATOMIC_MASK | WR_READ_MASK,
};
#define WR_MAX_QPT (8)
struct rxe_wr_opcode_info {
char *name;
enum rxe_wr_mask mask[WR_MAX_QPT];
};
extern struct rxe_wr_opcode_info rxe_wr_opcode_info[];
enum rxe_hdr_type {
RXE_LRH,
RXE_GRH,
RXE_BTH,
RXE_RETH,
RXE_AETH,
RXE_ATMETH,
RXE_ATMACK,
RXE_IETH,
RXE_RDETH,
RXE_DETH,
RXE_IMMDT,
RXE_PAYLOAD,
NUM_HDR_TYPES
};
enum rxe_hdr_mask {
RXE_LRH_MASK = BIT(RXE_LRH),
RXE_GRH_MASK = BIT(RXE_GRH),
RXE_BTH_MASK = BIT(RXE_BTH),
RXE_IMMDT_MASK = BIT(RXE_IMMDT),
RXE_RETH_MASK = BIT(RXE_RETH),
RXE_AETH_MASK = BIT(RXE_AETH),
RXE_ATMETH_MASK = BIT(RXE_ATMETH),
RXE_ATMACK_MASK = BIT(RXE_ATMACK),
RXE_IETH_MASK = BIT(RXE_IETH),
RXE_RDETH_MASK = BIT(RXE_RDETH),
RXE_DETH_MASK = BIT(RXE_DETH),
RXE_PAYLOAD_MASK = BIT(RXE_PAYLOAD),
RXE_REQ_MASK = BIT(NUM_HDR_TYPES + 0),
RXE_ACK_MASK = BIT(NUM_HDR_TYPES + 1),
RXE_SEND_MASK = BIT(NUM_HDR_TYPES + 2),
RXE_WRITE_MASK = BIT(NUM_HDR_TYPES + 3),
RXE_READ_MASK = BIT(NUM_HDR_TYPES + 4),
RXE_ATOMIC_MASK = BIT(NUM_HDR_TYPES + 5),
RXE_RWR_MASK = BIT(NUM_HDR_TYPES + 6),
RXE_COMP_MASK = BIT(NUM_HDR_TYPES + 7),
RXE_START_MASK = BIT(NUM_HDR_TYPES + 8),
RXE_MIDDLE_MASK = BIT(NUM_HDR_TYPES + 9),
RXE_END_MASK = BIT(NUM_HDR_TYPES + 10),
RXE_LOOPBACK_MASK = BIT(NUM_HDR_TYPES + 12),
RXE_READ_OR_ATOMIC = (RXE_READ_MASK | RXE_ATOMIC_MASK),
RXE_WRITE_OR_SEND = (RXE_WRITE_MASK | RXE_SEND_MASK),
};
#define OPCODE_NONE (-1)
#define RXE_NUM_OPCODE 256
struct rxe_opcode_info {
char *name;
enum rxe_hdr_mask mask;
int length;
int offset[NUM_HDR_TYPES];
};
extern struct rxe_opcode_info rxe_opcode[RXE_NUM_OPCODE];
#endif /* RXE_OPCODE_H */
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