Roland Dreier | c04bc3d | 2005-08-19 10:33:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005 Cisco Systems. All rights reserved. |
| 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | * |
| 32 | * $Id: mthca_wqe.h 3047 2005-08-10 03:59:35Z roland $ |
| 33 | */ |
| 34 | |
| 35 | #ifndef MTHCA_WQE_H |
| 36 | #define MTHCA_WQE_H |
| 37 | |
| 38 | #include <linux/types.h> |
| 39 | |
| 40 | enum { |
Eli Cohen | 680b575 | 2008-04-16 21:01:11 -0700 | [diff] [blame] | 41 | MTHCA_NEXT_DBD = 1 << 7, |
| 42 | MTHCA_NEXT_FENCE = 1 << 6, |
| 43 | MTHCA_NEXT_CQ_UPDATE = 1 << 3, |
| 44 | MTHCA_NEXT_EVENT_GEN = 1 << 2, |
| 45 | MTHCA_NEXT_SOLICIT = 1 << 1, |
| 46 | MTHCA_NEXT_IP_CSUM = 1 << 4, |
| 47 | MTHCA_NEXT_TCP_UDP_CSUM = 1 << 5, |
Roland Dreier | c04bc3d | 2005-08-19 10:33:35 -0700 | [diff] [blame] | 48 | |
Eli Cohen | 680b575 | 2008-04-16 21:01:11 -0700 | [diff] [blame] | 49 | MTHCA_MLX_VL15 = 1 << 17, |
| 50 | MTHCA_MLX_SLR = 1 << 16 |
Roland Dreier | c04bc3d | 2005-08-19 10:33:35 -0700 | [diff] [blame] | 51 | }; |
| 52 | |
| 53 | enum { |
Michael S. Tsirkin | ae57e24 | 2005-11-09 14:59:57 -0800 | [diff] [blame] | 54 | MTHCA_INVAL_LKEY = 0x100, |
Michael S. Tsirkin | e0ae9ec | 2005-11-29 11:33:46 -0800 | [diff] [blame] | 55 | MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256, |
| 56 | MTHCA_ARBEL_MAX_WQES_PER_SEND_DB = 255 |
Roland Dreier | c04bc3d | 2005-08-19 10:33:35 -0700 | [diff] [blame] | 57 | }; |
| 58 | |
| 59 | struct mthca_next_seg { |
| 60 | __be32 nda_op; /* [31:6] next WQE [4:0] next opcode */ |
| 61 | __be32 ee_nds; /* [31:8] next EE [7] DBD [6] F [5:0] next WQE size */ |
| 62 | __be32 flags; /* [3] CQ [2] Event [1] Solicit */ |
| 63 | __be32 imm; /* immediate data */ |
| 64 | }; |
| 65 | |
| 66 | struct mthca_tavor_ud_seg { |
| 67 | u32 reserved1; |
| 68 | __be32 lkey; |
| 69 | __be64 av_addr; |
| 70 | u32 reserved2[4]; |
| 71 | __be32 dqpn; |
| 72 | __be32 qkey; |
| 73 | u32 reserved3[2]; |
| 74 | }; |
| 75 | |
| 76 | struct mthca_arbel_ud_seg { |
| 77 | __be32 av[8]; |
| 78 | __be32 dqpn; |
| 79 | __be32 qkey; |
| 80 | u32 reserved[2]; |
| 81 | }; |
| 82 | |
| 83 | struct mthca_bind_seg { |
| 84 | __be32 flags; /* [31] Atomic [30] rem write [29] rem read */ |
| 85 | u32 reserved; |
| 86 | __be32 new_rkey; |
| 87 | __be32 lkey; |
| 88 | __be64 addr; |
| 89 | __be64 length; |
| 90 | }; |
| 91 | |
| 92 | struct mthca_raddr_seg { |
| 93 | __be64 raddr; |
| 94 | __be32 rkey; |
| 95 | u32 reserved; |
| 96 | }; |
| 97 | |
| 98 | struct mthca_atomic_seg { |
| 99 | __be64 swap_add; |
| 100 | __be64 compare; |
| 101 | }; |
| 102 | |
| 103 | struct mthca_data_seg { |
| 104 | __be32 byte_count; |
| 105 | __be32 lkey; |
| 106 | __be64 addr; |
| 107 | }; |
| 108 | |
| 109 | struct mthca_mlx_seg { |
| 110 | __be32 nda_op; |
| 111 | __be32 nds; |
| 112 | __be32 flags; /* [17] VL15 [16] SLR [14:12] static rate |
| 113 | [11:8] SL [3] C [2] E */ |
| 114 | __be16 rlid; |
| 115 | __be16 vcrc; |
| 116 | }; |
| 117 | |
Roland Dreier | 8088545 | 2007-07-18 11:30:34 -0700 | [diff] [blame] | 118 | static __always_inline void mthca_set_data_seg(struct mthca_data_seg *dseg, |
| 119 | struct ib_sge *sg) |
| 120 | { |
| 121 | dseg->byte_count = cpu_to_be32(sg->length); |
| 122 | dseg->lkey = cpu_to_be32(sg->lkey); |
| 123 | dseg->addr = cpu_to_be64(sg->addr); |
| 124 | } |
| 125 | |
| 126 | static __always_inline void mthca_set_data_seg_inval(struct mthca_data_seg *dseg) |
| 127 | { |
| 128 | dseg->byte_count = 0; |
| 129 | dseg->lkey = cpu_to_be32(MTHCA_INVAL_LKEY); |
| 130 | dseg->addr = 0; |
| 131 | } |
| 132 | |
Roland Dreier | c04bc3d | 2005-08-19 10:33:35 -0700 | [diff] [blame] | 133 | #endif /* MTHCA_WQE_H */ |