| /* |
| * Copyright (c) 2007 Cisco, 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 WQE_H |
| #define WQE_H |
| |
| enum { |
| MLX4_SEND_DOORBELL = 0x14, |
| }; |
| |
| enum { |
| MLX4_WQE_CTRL_FENCE = 1 << 6, |
| MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2, |
| MLX4_WQE_CTRL_SOLICIT = 1 << 1, |
| }; |
| |
| enum { |
| MLX4_INLINE_SEG = 1 << 31, |
| MLX4_INLINE_ALIGN = 64, |
| }; |
| |
| enum { |
| MLX4_INVALID_LKEY = 0x100, |
| }; |
| |
| struct mlx4_wqe_ctrl_seg { |
| uint32_t owner_opcode; |
| uint8_t reserved[3]; |
| uint8_t fence_size; |
| /* |
| * High 24 bits are SRC remote buffer; low 8 bits are flags: |
| * [7] SO (strong ordering) |
| * [5] TCP/UDP checksum |
| * [4] IP checksum |
| * [3:2] C (generate completion queue entry) |
| * [1] SE (solicited event) |
| * [0] FL (force loopback) |
| */ |
| uint32_t srcrb_flags; |
| /* |
| * imm is immediate data for send/RDMA write w/ immediate; |
| * also invalidation key for send with invalidate; input |
| * modifier for WQEs on CCQs. |
| */ |
| uint32_t imm; |
| }; |
| |
| struct mlx4_wqe_datagram_seg { |
| uint32_t av[8]; |
| uint32_t dqpn; |
| uint32_t qkey; |
| uint16_t vlan; |
| uint8_t mac[6]; |
| }; |
| |
| struct mlx4_wqe_data_seg { |
| uint32_t byte_count; |
| uint32_t lkey; |
| uint64_t addr; |
| }; |
| |
| struct mlx4_wqe_inline_seg { |
| uint32_t byte_count; |
| }; |
| |
| struct mlx4_wqe_srq_next_seg { |
| uint16_t reserved1; |
| uint16_t next_wqe_index; |
| uint32_t reserved2[3]; |
| }; |
| |
| struct mlx4_wqe_raddr_seg { |
| uint64_t raddr; |
| uint32_t rkey; |
| uint32_t reserved; |
| }; |
| |
| struct mlx4_wqe_atomic_seg { |
| uint64_t swap_add; |
| uint64_t compare; |
| }; |
| |
| struct mlx4_wqe_bind_seg { |
| uint32_t flags1; |
| uint32_t flags2; |
| uint32_t new_rkey; |
| uint32_t lkey; |
| uint64_t addr; |
| uint64_t length; |
| }; |
| |
| #endif /* WQE_H */ |