Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. |
| 3 | * Copyright (c) 2004 Infinicon Corporation. All rights reserved. |
| 4 | * Copyright (c) 2004 Intel Corporation. All rights reserved. |
| 5 | * Copyright (c) 2004 Topspin Corporation. All rights reserved. |
Hal Rosenstock | 618a3c0 | 2006-03-28 16:40:04 -0800 | [diff] [blame] | 6 | * Copyright (c) 2004-2006 Voltaire Corporation. All rights reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * |
| 8 | * This software is available to you under a choice of one of two |
| 9 | * licenses. You may choose to be licensed under the terms of the GNU |
| 10 | * General Public License (GPL) Version 2, available from the file |
| 11 | * COPYING in the main directory of this source tree, or the |
| 12 | * OpenIB.org BSD license below: |
| 13 | * |
| 14 | * Redistribution and use in source and binary forms, with or |
| 15 | * without modification, are permitted provided that the following |
| 16 | * conditions are met: |
| 17 | * |
| 18 | * - Redistributions of source code must retain the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer. |
| 21 | * |
| 22 | * - Redistributions in binary form must reproduce the above |
| 23 | * copyright notice, this list of conditions and the following |
| 24 | * disclaimer in the documentation and/or other materials |
| 25 | * provided with the distribution. |
| 26 | * |
| 27 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 28 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 29 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 30 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 31 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 32 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 33 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 34 | * SOFTWARE. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | */ |
| 36 | |
Dotan Barak | 4deccd6 | 2008-07-14 23:48:44 -0700 | [diff] [blame] | 37 | #if !defined(IB_MAD_H) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #define IB_MAD_H |
| 39 | |
Dotan Barak | e8b398d | 2007-07-31 16:37:11 +0300 | [diff] [blame] | 40 | #include <linux/list.h> |
| 41 | |
Roland Dreier | a4d61e8 | 2005-08-25 13:40:04 -0700 | [diff] [blame] | 42 | #include <rdma/ib_verbs.h> |
Ira Weiny | 1471cb6 | 2014-08-08 19:00:56 -0400 | [diff] [blame] | 43 | #include <uapi/rdma/ib_user_mad.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 45 | /* Management base versions */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | #define IB_MGMT_BASE_VERSION 1 |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 47 | #define OPA_MGMT_BASE_VERSION 0x80 |
| 48 | |
| 49 | #define OPA_SMP_CLASS_VERSION 0x80 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
| 51 | /* Management classes */ |
| 52 | #define IB_MGMT_CLASS_SUBN_LID_ROUTED 0x01 |
| 53 | #define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 0x81 |
| 54 | #define IB_MGMT_CLASS_SUBN_ADM 0x03 |
| 55 | #define IB_MGMT_CLASS_PERF_MGMT 0x04 |
| 56 | #define IB_MGMT_CLASS_BM 0x05 |
| 57 | #define IB_MGMT_CLASS_DEVICE_MGMT 0x06 |
| 58 | #define IB_MGMT_CLASS_CM 0x07 |
| 59 | #define IB_MGMT_CLASS_SNMP 0x08 |
Hal Rosenstock | 618a3c0 | 2006-03-28 16:40:04 -0800 | [diff] [blame] | 60 | #define IB_MGMT_CLASS_DEVICE_ADM 0x10 |
| 61 | #define IB_MGMT_CLASS_BOOT_MGMT 0x11 |
| 62 | #define IB_MGMT_CLASS_BIS 0x12 |
| 63 | #define IB_MGMT_CLASS_CONG_MGMT 0x21 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | #define IB_MGMT_CLASS_VENDOR_RANGE2_START 0x30 |
| 65 | #define IB_MGMT_CLASS_VENDOR_RANGE2_END 0x4F |
| 66 | |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 67 | #define IB_OPENIB_OUI (0x001405) |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | /* Management methods */ |
| 70 | #define IB_MGMT_METHOD_GET 0x01 |
| 71 | #define IB_MGMT_METHOD_SET 0x02 |
| 72 | #define IB_MGMT_METHOD_GET_RESP 0x81 |
| 73 | #define IB_MGMT_METHOD_SEND 0x03 |
| 74 | #define IB_MGMT_METHOD_TRAP 0x05 |
| 75 | #define IB_MGMT_METHOD_REPORT 0x06 |
| 76 | #define IB_MGMT_METHOD_REPORT_RESP 0x86 |
| 77 | #define IB_MGMT_METHOD_TRAP_REPRESS 0x07 |
| 78 | |
| 79 | #define IB_MGMT_METHOD_RESP 0x80 |
Sean Hefty | 2527e68 | 2006-07-20 11:25:50 +0300 | [diff] [blame] | 80 | #define IB_BM_ATTR_MOD_RESP cpu_to_be32(1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
| 82 | #define IB_MGMT_MAX_METHODS 128 |
| 83 | |
Swapna Thete | d144b65 | 2012-02-25 17:47:31 -0800 | [diff] [blame] | 84 | /* MAD Status field bit masks */ |
| 85 | #define IB_MGMT_MAD_STATUS_SUCCESS 0x0000 |
| 86 | #define IB_MGMT_MAD_STATUS_BUSY 0x0001 |
| 87 | #define IB_MGMT_MAD_STATUS_REDIRECT_REQD 0x0002 |
| 88 | #define IB_MGMT_MAD_STATUS_BAD_VERSION 0x0004 |
| 89 | #define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD 0x0008 |
| 90 | #define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB 0x000c |
| 91 | #define IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE 0x001c |
| 92 | |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 93 | /* RMPP information */ |
| 94 | #define IB_MGMT_RMPP_VERSION 1 |
| 95 | |
| 96 | #define IB_MGMT_RMPP_TYPE_DATA 1 |
| 97 | #define IB_MGMT_RMPP_TYPE_ACK 2 |
| 98 | #define IB_MGMT_RMPP_TYPE_STOP 3 |
| 99 | #define IB_MGMT_RMPP_TYPE_ABORT 4 |
| 100 | |
| 101 | #define IB_MGMT_RMPP_FLAG_ACTIVE 1 |
| 102 | #define IB_MGMT_RMPP_FLAG_FIRST (1<<1) |
| 103 | #define IB_MGMT_RMPP_FLAG_LAST (1<<2) |
| 104 | |
| 105 | #define IB_MGMT_RMPP_NO_RESPTIME 0x1F |
| 106 | |
| 107 | #define IB_MGMT_RMPP_STATUS_SUCCESS 0 |
| 108 | #define IB_MGMT_RMPP_STATUS_RESX 1 |
Sean Hefty | fe9e08e | 2005-08-19 13:50:33 -0700 | [diff] [blame] | 109 | #define IB_MGMT_RMPP_STATUS_ABORT_MIN 118 |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 110 | #define IB_MGMT_RMPP_STATUS_T2L 118 |
| 111 | #define IB_MGMT_RMPP_STATUS_BAD_LEN 119 |
| 112 | #define IB_MGMT_RMPP_STATUS_BAD_SEG 120 |
| 113 | #define IB_MGMT_RMPP_STATUS_BADT 121 |
| 114 | #define IB_MGMT_RMPP_STATUS_W2S 122 |
| 115 | #define IB_MGMT_RMPP_STATUS_S2B 123 |
| 116 | #define IB_MGMT_RMPP_STATUS_BAD_STATUS 124 |
| 117 | #define IB_MGMT_RMPP_STATUS_UNV 125 |
| 118 | #define IB_MGMT_RMPP_STATUS_TMR 126 |
| 119 | #define IB_MGMT_RMPP_STATUS_UNSPEC 127 |
Sean Hefty | fe9e08e | 2005-08-19 13:50:33 -0700 | [diff] [blame] | 120 | #define IB_MGMT_RMPP_STATUS_ABORT_MAX 127 |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 121 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | #define IB_QP0 0 |
Harvey Harrison | 9c3da09 | 2009-01-17 17:11:57 -0800 | [diff] [blame] | 123 | #define IB_QP1 cpu_to_be32(1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | #define IB_QP1_QKEY 0x80010000 |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 125 | #define IB_QP_SET_QKEY 0x80000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | |
Sean Hefty | 2aec5c6 | 2007-06-18 11:03:58 -0700 | [diff] [blame] | 127 | #define IB_DEFAULT_PKEY_PARTIAL 0x7FFF |
| 128 | #define IB_DEFAULT_PKEY_FULL 0xFFFF |
| 129 | |
Dennis Dalessandro | d4ab347 | 2015-07-30 15:17:32 -0400 | [diff] [blame] | 130 | /* |
| 131 | * Generic trap/notice types |
| 132 | */ |
| 133 | #define IB_NOTICE_TYPE_FATAL 0x80 |
| 134 | #define IB_NOTICE_TYPE_URGENT 0x81 |
| 135 | #define IB_NOTICE_TYPE_SECURITY 0x82 |
| 136 | #define IB_NOTICE_TYPE_SM 0x83 |
| 137 | #define IB_NOTICE_TYPE_INFO 0x84 |
| 138 | |
| 139 | /* |
| 140 | * Generic trap/notice producers |
| 141 | */ |
| 142 | #define IB_NOTICE_PROD_CA cpu_to_be16(1) |
| 143 | #define IB_NOTICE_PROD_SWITCH cpu_to_be16(2) |
| 144 | #define IB_NOTICE_PROD_ROUTER cpu_to_be16(3) |
| 145 | #define IB_NOTICE_PROD_CLASS_MGR cpu_to_be16(4) |
| 146 | |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 147 | enum { |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 148 | IB_MGMT_MAD_HDR = 24, |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 149 | IB_MGMT_MAD_DATA = 232, |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 150 | IB_MGMT_RMPP_HDR = 36, |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 151 | IB_MGMT_RMPP_DATA = 220, |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 152 | IB_MGMT_VENDOR_HDR = 40, |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 153 | IB_MGMT_VENDOR_DATA = 216, |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 154 | IB_MGMT_SA_HDR = 56, |
| 155 | IB_MGMT_SA_DATA = 200, |
Hal Rosenstock | 618a3c0 | 2006-03-28 16:40:04 -0800 | [diff] [blame] | 156 | IB_MGMT_DEVICE_HDR = 64, |
| 157 | IB_MGMT_DEVICE_DATA = 192, |
Ira Weiny | 337877a | 2015-06-06 14:38:29 -0400 | [diff] [blame] | 158 | IB_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + IB_MGMT_MAD_DATA, |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 159 | OPA_MGMT_MAD_DATA = 2024, |
| 160 | OPA_MGMT_RMPP_DATA = 2012, |
| 161 | OPA_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + OPA_MGMT_MAD_DATA, |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 162 | }; |
| 163 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | struct ib_mad_hdr { |
| 165 | u8 base_version; |
| 166 | u8 mgmt_class; |
| 167 | u8 class_version; |
| 168 | u8 method; |
Sean Hefty | 97f52eb | 2005-08-13 21:05:57 -0700 | [diff] [blame] | 169 | __be16 status; |
| 170 | __be16 class_specific; |
| 171 | __be64 tid; |
| 172 | __be16 attr_id; |
| 173 | __be16 resv; |
| 174 | __be32 attr_mod; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 175 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | |
| 177 | struct ib_rmpp_hdr { |
| 178 | u8 rmpp_version; |
| 179 | u8 rmpp_type; |
| 180 | u8 rmpp_rtime_flags; |
| 181 | u8 rmpp_status; |
Sean Hefty | 97f52eb | 2005-08-13 21:05:57 -0700 | [diff] [blame] | 182 | __be32 seg_num; |
| 183 | __be32 paylen_newwin; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 184 | }; |
| 185 | |
| 186 | typedef u64 __bitwise ib_sa_comp_mask; |
| 187 | |
Jack Morgenstein | 02daaf2 | 2012-05-10 23:28:07 +0300 | [diff] [blame] | 188 | #define IB_SA_COMP_MASK(n) ((__force ib_sa_comp_mask) cpu_to_be64(1ull << (n))) |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 189 | |
| 190 | /* |
| 191 | * ib_sa_hdr and ib_sa_mad structures must be packed because they have |
| 192 | * 64-bit fields that are only 32-bit aligned. 64-bit architectures will |
| 193 | * lay them out wrong otherwise. (And unfortunately they are sent on |
| 194 | * the wire so we can't change the layout) |
| 195 | */ |
| 196 | struct ib_sa_hdr { |
Sean Hefty | 97f52eb | 2005-08-13 21:05:57 -0700 | [diff] [blame] | 197 | __be64 sm_key; |
| 198 | __be16 attr_offset; |
| 199 | __be16 reserved; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 200 | ib_sa_comp_mask comp_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | } __attribute__ ((packed)); |
| 202 | |
| 203 | struct ib_mad { |
| 204 | struct ib_mad_hdr mad_hdr; |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 205 | u8 data[IB_MGMT_MAD_DATA]; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 206 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 208 | struct opa_mad { |
| 209 | struct ib_mad_hdr mad_hdr; |
| 210 | u8 data[OPA_MGMT_MAD_DATA]; |
| 211 | }; |
| 212 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | struct ib_rmpp_mad { |
| 214 | struct ib_mad_hdr mad_hdr; |
| 215 | struct ib_rmpp_hdr rmpp_hdr; |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 216 | u8 data[IB_MGMT_RMPP_DATA]; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 217 | }; |
| 218 | |
Ira Weiny | 8e4349d | 2015-06-10 16:16:48 -0400 | [diff] [blame] | 219 | struct opa_rmpp_mad { |
| 220 | struct ib_mad_hdr mad_hdr; |
| 221 | struct ib_rmpp_hdr rmpp_hdr; |
| 222 | u8 data[OPA_MGMT_RMPP_DATA]; |
| 223 | }; |
| 224 | |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 225 | struct ib_sa_mad { |
| 226 | struct ib_mad_hdr mad_hdr; |
| 227 | struct ib_rmpp_hdr rmpp_hdr; |
| 228 | struct ib_sa_hdr sa_hdr; |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 229 | u8 data[IB_MGMT_SA_DATA]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | } __attribute__ ((packed)); |
| 231 | |
| 232 | struct ib_vendor_mad { |
| 233 | struct ib_mad_hdr mad_hdr; |
| 234 | struct ib_rmpp_hdr rmpp_hdr; |
| 235 | u8 reserved; |
| 236 | u8 oui[3]; |
Sean Hefty | 972d512 | 2005-09-21 12:31:26 -0700 | [diff] [blame] | 237 | u8 data[IB_MGMT_VENDOR_DATA]; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 238 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | |
Hal Rosenstock | 5337088 | 2015-11-13 15:22:22 -0500 | [diff] [blame] | 240 | #define IB_MGMT_CLASSPORTINFO_ATTR_ID cpu_to_be16(0x0001) |
| 241 | |
Erez Shitrit | 507f6af | 2016-05-25 22:02:04 +0300 | [diff] [blame] | 242 | #define IB_CLASS_PORT_INFO_RESP_TIME_MASK 0x1F |
| 243 | #define IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE 5 |
| 244 | |
Dotan Barak | 4deccd6 | 2008-07-14 23:48:44 -0700 | [diff] [blame] | 245 | struct ib_class_port_info { |
Roland Dreier | 2e9f7cb | 2005-09-09 15:45:57 -0700 | [diff] [blame] | 246 | u8 base_version; |
| 247 | u8 class_version; |
| 248 | __be16 capability_mask; |
Erez Shitrit | 507f6af | 2016-05-25 22:02:04 +0300 | [diff] [blame] | 249 | /* 27 bits for cap_mask2, 5 bits for resp_time */ |
| 250 | __be32 cap_mask2_resp_time; |
Roland Dreier | 2e9f7cb | 2005-09-09 15:45:57 -0700 | [diff] [blame] | 251 | u8 redirect_gid[16]; |
| 252 | __be32 redirect_tcslfl; |
| 253 | __be16 redirect_lid; |
| 254 | __be16 redirect_pkey; |
| 255 | __be32 redirect_qp; |
| 256 | __be32 redirect_qkey; |
| 257 | u8 trap_gid[16]; |
| 258 | __be32 trap_tcslfl; |
| 259 | __be16 trap_lid; |
| 260 | __be16 trap_pkey; |
| 261 | __be32 trap_hlqp; |
| 262 | __be32 trap_qkey; |
| 263 | }; |
| 264 | |
Erez Shitrit | 507f6af | 2016-05-25 22:02:04 +0300 | [diff] [blame] | 265 | /** |
| 266 | * ib_get_cpi_resp_time - Returns the resp_time value from |
| 267 | * cap_mask2_resp_time in ib_class_port_info. |
| 268 | * @cpi: A struct ib_class_port_info mad. |
| 269 | */ |
| 270 | static inline u8 ib_get_cpi_resp_time(struct ib_class_port_info *cpi) |
| 271 | { |
| 272 | return (u8)(be32_to_cpu(cpi->cap_mask2_resp_time) & |
| 273 | IB_CLASS_PORT_INFO_RESP_TIME_MASK); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * ib_set_cpi_resptime - Sets the response time in an |
| 278 | * ib_class_port_info mad. |
| 279 | * @cpi: A struct ib_class_port_info. |
| 280 | * @rtime: The response time to set. |
| 281 | */ |
| 282 | static inline void ib_set_cpi_resp_time(struct ib_class_port_info *cpi, |
| 283 | u8 rtime) |
| 284 | { |
| 285 | cpi->cap_mask2_resp_time = |
| 286 | (cpi->cap_mask2_resp_time & |
| 287 | cpu_to_be32(~IB_CLASS_PORT_INFO_RESP_TIME_MASK)) | |
| 288 | cpu_to_be32(rtime & IB_CLASS_PORT_INFO_RESP_TIME_MASK); |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * ib_get_cpi_capmask2 - Returns the capmask2 value from |
| 293 | * cap_mask2_resp_time in ib_class_port_info. |
| 294 | * @cpi: A struct ib_class_port_info mad. |
| 295 | */ |
| 296 | static inline u32 ib_get_cpi_capmask2(struct ib_class_port_info *cpi) |
| 297 | { |
| 298 | return (be32_to_cpu(cpi->cap_mask2_resp_time) >> |
| 299 | IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE); |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * ib_set_cpi_capmask2 - Sets the capmask2 in an |
| 304 | * ib_class_port_info mad. |
| 305 | * @cpi: A struct ib_class_port_info. |
| 306 | * @capmask2: The capmask2 to set. |
| 307 | */ |
| 308 | static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi, |
| 309 | u32 capmask2) |
| 310 | { |
| 311 | cpi->cap_mask2_resp_time = |
| 312 | (cpi->cap_mask2_resp_time & |
| 313 | cpu_to_be32(IB_CLASS_PORT_INFO_RESP_TIME_MASK)) | |
| 314 | cpu_to_be32(capmask2 << |
| 315 | IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE); |
| 316 | } |
| 317 | |
Dennis Dalessandro | d4ab347 | 2015-07-30 15:17:32 -0400 | [diff] [blame] | 318 | struct ib_mad_notice_attr { |
| 319 | u8 generic_type; |
| 320 | u8 prod_type_msb; |
| 321 | __be16 prod_type_lsb; |
| 322 | __be16 trap_num; |
| 323 | __be16 issuer_lid; |
| 324 | __be16 toggle_count; |
| 325 | |
| 326 | union { |
| 327 | struct { |
| 328 | u8 details[54]; |
| 329 | } raw_data; |
| 330 | |
| 331 | struct { |
| 332 | __be16 reserved; |
| 333 | __be16 lid; /* where violation happened */ |
| 334 | u8 port_num; /* where violation happened */ |
| 335 | } __packed ntc_129_131; |
| 336 | |
| 337 | struct { |
| 338 | __be16 reserved; |
| 339 | __be16 lid; /* LID where change occurred */ |
| 340 | u8 reserved2; |
| 341 | u8 local_changes; /* low bit - local changes */ |
| 342 | __be32 new_cap_mask; /* new capability mask */ |
| 343 | u8 reserved3; |
| 344 | u8 change_flags; /* low 3 bits only */ |
| 345 | } __packed ntc_144; |
| 346 | |
| 347 | struct { |
| 348 | __be16 reserved; |
| 349 | __be16 lid; /* lid where sys guid changed */ |
| 350 | __be16 reserved2; |
| 351 | __be64 new_sys_guid; |
| 352 | } __packed ntc_145; |
| 353 | |
| 354 | struct { |
| 355 | __be16 reserved; |
| 356 | __be16 lid; |
| 357 | __be16 dr_slid; |
| 358 | u8 method; |
| 359 | u8 reserved2; |
| 360 | __be16 attr_id; |
| 361 | __be32 attr_mod; |
| 362 | __be64 mkey; |
| 363 | u8 reserved3; |
| 364 | u8 dr_trunc_hop; |
| 365 | u8 dr_rtn_path[30]; |
| 366 | } __packed ntc_256; |
| 367 | |
| 368 | struct { |
| 369 | __be16 reserved; |
| 370 | __be16 lid1; |
| 371 | __be16 lid2; |
| 372 | __be32 key; |
| 373 | __be32 sl_qp1; /* SL: high 4 bits */ |
| 374 | __be32 qp2; /* high 8 bits reserved */ |
| 375 | union ib_gid gid1; |
| 376 | union ib_gid gid2; |
| 377 | } __packed ntc_257_258; |
| 378 | |
| 379 | } details; |
| 380 | }; |
| 381 | |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 382 | /** |
| 383 | * ib_mad_send_buf - MAD data buffer and work request for sends. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 384 | * @next: A pointer used to chain together MADs for posting. |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 385 | * @mad: References an allocated MAD data buffer for MADs that do not have |
| 386 | * RMPP active. For MADs using RMPP, references the common and management |
| 387 | * class specific headers. |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 388 | * @mad_agent: MAD agent that allocated the buffer. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 389 | * @ah: The address handle to use when sending the MAD. |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 390 | * @context: User-controlled context fields. |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 391 | * @hdr_len: Indicates the size of the data header of the MAD. This length |
| 392 | * includes the common MAD, RMPP, and class specific headers. |
| 393 | * @data_len: Indicates the total size of user-transferred data. |
| 394 | * @seg_count: The number of RMPP segments allocated for this send. |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 395 | * @seg_size: Size of the data in each RMPP segment. This does not include |
| 396 | * class specific headers. |
| 397 | * @seg_rmpp_size: Size of each RMPP segment including the class specific |
| 398 | * headers. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 399 | * @timeout_ms: Time to wait for a response. |
Sean Hefty | 4fc8cd4 | 2007-11-27 00:11:04 -0800 | [diff] [blame] | 400 | * @retries: Number of times to retry a request for a response. For MADs |
| 401 | * using RMPP, this applies per window. On completion, returns the number |
| 402 | * of retries needed to complete the transfer. |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 403 | * |
| 404 | * Users are responsible for initializing the MAD buffer itself, with the |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 405 | * exception of any RMPP header. Additional segment buffer space allocated |
| 406 | * beyond data_len is padding. |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 407 | */ |
| 408 | struct ib_mad_send_buf { |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 409 | struct ib_mad_send_buf *next; |
| 410 | void *mad; |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 411 | struct ib_mad_agent *mad_agent; |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 412 | struct ib_ah *ah; |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 413 | void *context[2]; |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 414 | int hdr_len; |
| 415 | int data_len; |
| 416 | int seg_count; |
| 417 | int seg_size; |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 418 | int seg_rmpp_size; |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 419 | int timeout_ms; |
| 420 | int retries; |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 421 | }; |
| 422 | |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 423 | /** |
Sean Hefty | 2527e68 | 2006-07-20 11:25:50 +0300 | [diff] [blame] | 424 | * ib_response_mad - Returns if the specified MAD has been generated in |
| 425 | * response to a sent request or trap. |
| 426 | */ |
Ira Weiny | 9690930 | 2015-05-08 14:27:22 -0400 | [diff] [blame] | 427 | int ib_response_mad(const struct ib_mad_hdr *hdr); |
Sean Hefty | 2527e68 | 2006-07-20 11:25:50 +0300 | [diff] [blame] | 428 | |
| 429 | /** |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 430 | * ib_get_rmpp_resptime - Returns the RMPP response time. |
| 431 | * @rmpp_hdr: An RMPP header. |
| 432 | */ |
| 433 | static inline u8 ib_get_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr) |
| 434 | { |
| 435 | return rmpp_hdr->rmpp_rtime_flags >> 3; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * ib_get_rmpp_flags - Returns the RMPP flags. |
| 440 | * @rmpp_hdr: An RMPP header. |
| 441 | */ |
| 442 | static inline u8 ib_get_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr) |
| 443 | { |
| 444 | return rmpp_hdr->rmpp_rtime_flags & 0x7; |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * ib_set_rmpp_resptime - Sets the response time in an RMPP header. |
| 449 | * @rmpp_hdr: An RMPP header. |
| 450 | * @rtime: The response time to set. |
| 451 | */ |
| 452 | static inline void ib_set_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr, u8 rtime) |
| 453 | { |
| 454 | rmpp_hdr->rmpp_rtime_flags = ib_get_rmpp_flags(rmpp_hdr) | (rtime << 3); |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * ib_set_rmpp_flags - Sets the flags in an RMPP header. |
| 459 | * @rmpp_hdr: An RMPP header. |
| 460 | * @flags: The flags to set. |
| 461 | */ |
| 462 | static inline void ib_set_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr, u8 flags) |
| 463 | { |
Ramachandra K | 7020cb0 | 2009-02-27 10:33:12 -0800 | [diff] [blame] | 464 | rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr->rmpp_rtime_flags & 0xF8) | |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 465 | (flags & 0x7); |
| 466 | } |
| 467 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | struct ib_mad_agent; |
| 469 | struct ib_mad_send_wc; |
| 470 | struct ib_mad_recv_wc; |
| 471 | |
| 472 | /** |
| 473 | * ib_mad_send_handler - callback handler for a sent MAD. |
| 474 | * @mad_agent: MAD agent that sent the MAD. |
| 475 | * @mad_send_wc: Send work completion information on the sent MAD. |
| 476 | */ |
| 477 | typedef void (*ib_mad_send_handler)(struct ib_mad_agent *mad_agent, |
| 478 | struct ib_mad_send_wc *mad_send_wc); |
| 479 | |
| 480 | /** |
| 481 | * ib_mad_snoop_handler - Callback handler for snooping sent MADs. |
| 482 | * @mad_agent: MAD agent that snooped the MAD. |
Hal Rosenstock | 5a30247 | 2016-01-05 13:52:55 -0500 | [diff] [blame] | 483 | * @send_buf: send MAD data buffer. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | * @mad_send_wc: Work completion information on the sent MAD. Valid |
| 485 | * only for snooping that occurs on a send completion. |
| 486 | * |
Hal Rosenstock | 5a30247 | 2016-01-05 13:52:55 -0500 | [diff] [blame] | 487 | * Clients snooping MADs should not modify data referenced by the @send_buf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | * or @mad_send_wc. |
| 489 | */ |
| 490 | typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent, |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 491 | struct ib_mad_send_buf *send_buf, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | struct ib_mad_send_wc *mad_send_wc); |
| 493 | |
| 494 | /** |
| 495 | * ib_mad_recv_handler - callback handler for a received MAD. |
| 496 | * @mad_agent: MAD agent requesting the received MAD. |
Christoph Hellwig | ca28126 | 2016-01-04 14:15:58 +0100 | [diff] [blame] | 497 | * @send_buf: Send buffer if found, else NULL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | * @mad_recv_wc: Received work completion information on the received MAD. |
| 499 | * |
| 500 | * MADs received in response to a send request operation will be handed to |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 501 | * the user before the send operation completes. All data buffers given |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | * to registered agents through this routine are owned by the receiving |
| 503 | * client, except for snooping agents. Clients snooping MADs should not |
| 504 | * modify the data referenced by @mad_recv_wc. |
| 505 | */ |
| 506 | typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent, |
Christoph Hellwig | ca28126 | 2016-01-04 14:15:58 +0100 | [diff] [blame] | 507 | struct ib_mad_send_buf *send_buf, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | struct ib_mad_recv_wc *mad_recv_wc); |
| 509 | |
| 510 | /** |
| 511 | * ib_mad_agent - Used to track MAD registration with the access layer. |
| 512 | * @device: Reference to device registration is on. |
| 513 | * @qp: Reference to QP used for sending and receiving MADs. |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 514 | * @mr: Memory region for system memory usable for DMA. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | * @recv_handler: Callback handler for a received MAD. |
| 516 | * @send_handler: Callback handler for a sent MAD. |
| 517 | * @snoop_handler: Callback handler for snooped sent MADs. |
| 518 | * @context: User-specified context associated with this registration. |
| 519 | * @hi_tid: Access layer assigned transaction ID for this client. |
| 520 | * Unsolicited MADs sent by this client will have the upper 32-bits |
| 521 | * of their TID set to this value. |
Ira Weiny | 0f29b46 | 2014-08-08 19:00:55 -0400 | [diff] [blame] | 522 | * @flags: registration flags |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | * @port_num: Port number on which QP is registered |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 524 | * @rmpp_version: If set, indicates the RMPP version used by this agent. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | */ |
Ira Weiny | 1471cb6 | 2014-08-08 19:00:56 -0400 | [diff] [blame] | 526 | enum { |
| 527 | IB_MAD_USER_RMPP = IB_USER_MAD_USER_RMPP, |
| 528 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | struct ib_mad_agent { |
| 530 | struct ib_device *device; |
| 531 | struct ib_qp *qp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | ib_mad_recv_handler recv_handler; |
| 533 | ib_mad_send_handler send_handler; |
| 534 | ib_mad_snoop_handler snoop_handler; |
| 535 | void *context; |
| 536 | u32 hi_tid; |
Ira Weiny | 0f29b46 | 2014-08-08 19:00:55 -0400 | [diff] [blame] | 537 | u32 flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | u8 port_num; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 539 | u8 rmpp_version; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | }; |
| 541 | |
| 542 | /** |
| 543 | * ib_mad_send_wc - MAD send completion information. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 544 | * @send_buf: Send MAD data buffer associated with the send MAD request. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | * @status: Completion status. |
| 546 | * @vendor_err: Optional vendor error information returned with a failed |
| 547 | * request. |
| 548 | */ |
| 549 | struct ib_mad_send_wc { |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 550 | struct ib_mad_send_buf *send_buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | enum ib_wc_status status; |
| 552 | u32 vendor_err; |
| 553 | }; |
| 554 | |
| 555 | /** |
| 556 | * ib_mad_recv_buf - received MAD buffer information. |
| 557 | * @list: Reference to next data buffer for a received RMPP MAD. |
| 558 | * @grh: References a data buffer containing the global route header. |
| 559 | * The data refereced by this buffer is only valid if the GRH is |
| 560 | * valid. |
| 561 | * @mad: References the start of the received MAD. |
| 562 | */ |
| 563 | struct ib_mad_recv_buf { |
| 564 | struct list_head list; |
| 565 | struct ib_grh *grh; |
Ira Weiny | 548ead1 | 2015-06-06 14:38:33 -0400 | [diff] [blame] | 566 | union { |
| 567 | struct ib_mad *mad; |
| 568 | struct opa_mad *opa_mad; |
| 569 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | }; |
| 571 | |
| 572 | /** |
| 573 | * ib_mad_recv_wc - received MAD information. |
| 574 | * @wc: Completion information for the received data. |
| 575 | * @recv_buf: Specifies the location of the received data buffer(s). |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 576 | * @rmpp_list: Specifies a list of RMPP reassembled received MAD buffers. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | * @mad_len: The length of the received MAD, without duplicated headers. |
Ira Weiny | 8e4349d | 2015-06-10 16:16:48 -0400 | [diff] [blame] | 578 | * @mad_seg_size: The size of individual MAD segments |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | * |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 580 | * For received response, the wr_id contains a pointer to the ib_mad_send_buf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | * for the corresponding send request. |
| 582 | */ |
| 583 | struct ib_mad_recv_wc { |
| 584 | struct ib_wc *wc; |
| 585 | struct ib_mad_recv_buf recv_buf; |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 586 | struct list_head rmpp_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | int mad_len; |
Ira Weiny | 8e4349d | 2015-06-10 16:16:48 -0400 | [diff] [blame] | 588 | size_t mad_seg_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | }; |
| 590 | |
| 591 | /** |
| 592 | * ib_mad_reg_req - MAD registration request |
| 593 | * @mgmt_class: Indicates which management class of MADs should be receive |
| 594 | * by the caller. This field is only required if the user wishes to |
| 595 | * receive unsolicited MADs, otherwise it should be 0. |
| 596 | * @mgmt_class_version: Indicates which version of MADs for the given |
| 597 | * management class to receive. |
| 598 | * @oui: Indicates IEEE OUI when mgmt_class is a vendor class |
| 599 | * in the range from 0x30 to 0x4f. Otherwise not used. |
| 600 | * @method_mask: The caller will receive unsolicited MADs for any method |
| 601 | * where @method_mask = 1. |
Ira Weiny | 0f29b46 | 2014-08-08 19:00:55 -0400 | [diff] [blame] | 602 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | */ |
| 604 | struct ib_mad_reg_req { |
| 605 | u8 mgmt_class; |
| 606 | u8 mgmt_class_version; |
| 607 | u8 oui[3]; |
| 608 | DECLARE_BITMAP(method_mask, IB_MGMT_MAX_METHODS); |
| 609 | }; |
| 610 | |
| 611 | /** |
| 612 | * ib_register_mad_agent - Register to send/receive MADs. |
| 613 | * @device: The device to register with. |
| 614 | * @port_num: The port on the specified device to use. |
| 615 | * @qp_type: Specifies which QP to access. Must be either |
| 616 | * IB_QPT_SMI or IB_QPT_GSI. |
| 617 | * @mad_reg_req: Specifies which unsolicited MADs should be received |
| 618 | * by the caller. This parameter may be NULL if the caller only |
| 619 | * wishes to receive solicited responses. |
| 620 | * @rmpp_version: If set, indicates that the client will send |
| 621 | * and receive MADs that contain the RMPP header for the given version. |
| 622 | * If set to 0, indicates that RMPP is not used by this client. |
| 623 | * @send_handler: The completion callback routine invoked after a send |
| 624 | * request has completed. |
| 625 | * @recv_handler: The completion callback routine invoked for a received |
| 626 | * MAD. |
| 627 | * @context: User specified context associated with the registration. |
Ira Weiny | 0f29b46 | 2014-08-08 19:00:55 -0400 | [diff] [blame] | 628 | * @registration_flags: Registration flags to set for this agent |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | */ |
| 630 | struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, |
| 631 | u8 port_num, |
| 632 | enum ib_qp_type qp_type, |
| 633 | struct ib_mad_reg_req *mad_reg_req, |
| 634 | u8 rmpp_version, |
| 635 | ib_mad_send_handler send_handler, |
| 636 | ib_mad_recv_handler recv_handler, |
Ira Weiny | 0f29b46 | 2014-08-08 19:00:55 -0400 | [diff] [blame] | 637 | void *context, |
| 638 | u32 registration_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | |
| 640 | enum ib_mad_snoop_flags { |
| 641 | /*IB_MAD_SNOOP_POSTED_SENDS = 1,*/ |
| 642 | /*IB_MAD_SNOOP_RMPP_SENDS = (1<<1),*/ |
| 643 | IB_MAD_SNOOP_SEND_COMPLETIONS = (1<<2), |
| 644 | /*IB_MAD_SNOOP_RMPP_SEND_COMPLETIONS = (1<<3),*/ |
| 645 | IB_MAD_SNOOP_RECVS = (1<<4) |
| 646 | /*IB_MAD_SNOOP_RMPP_RECVS = (1<<5),*/ |
| 647 | /*IB_MAD_SNOOP_REDIRECTED_QPS = (1<<6)*/ |
| 648 | }; |
| 649 | |
| 650 | /** |
| 651 | * ib_register_mad_snoop - Register to snoop sent and received MADs. |
| 652 | * @device: The device to register with. |
| 653 | * @port_num: The port on the specified device to use. |
| 654 | * @qp_type: Specifies which QP traffic to snoop. Must be either |
| 655 | * IB_QPT_SMI or IB_QPT_GSI. |
| 656 | * @mad_snoop_flags: Specifies information where snooping occurs. |
| 657 | * @send_handler: The callback routine invoked for a snooped send. |
| 658 | * @recv_handler: The callback routine invoked for a snooped receive. |
| 659 | * @context: User specified context associated with the registration. |
| 660 | */ |
| 661 | struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device, |
| 662 | u8 port_num, |
| 663 | enum ib_qp_type qp_type, |
| 664 | int mad_snoop_flags, |
| 665 | ib_mad_snoop_handler snoop_handler, |
| 666 | ib_mad_recv_handler recv_handler, |
| 667 | void *context); |
| 668 | |
| 669 | /** |
| 670 | * ib_unregister_mad_agent - Unregisters a client from using MAD services. |
| 671 | * @mad_agent: Corresponding MAD registration request to deregister. |
| 672 | * |
| 673 | * After invoking this routine, MAD services are no longer usable by the |
| 674 | * client on the associated QP. |
| 675 | */ |
| 676 | int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent); |
| 677 | |
| 678 | /** |
| 679 | * ib_post_send_mad - Posts MAD(s) to the send queue of the QP associated |
| 680 | * with the registered client. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 681 | * @send_buf: Specifies the information needed to send the MAD(s). |
| 682 | * @bad_send_buf: Specifies the MAD on which an error was encountered. This |
| 683 | * parameter is optional if only a single MAD is posted. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | * |
| 685 | * Sent MADs are not guaranteed to complete in the order that they were posted. |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 686 | * |
| 687 | * If the MAD requires RMPP, the data buffer should contain a single copy |
| 688 | * of the common MAD, RMPP, and class specific headers, followed by the class |
| 689 | * defined data. If the class defined data would not divide evenly into |
| 690 | * RMPP segments, then space must be allocated at the end of the referenced |
| 691 | * buffer for any required padding. To indicate the amount of class defined |
| 692 | * data being transferred, the paylen_newwin field in the RMPP header should |
| 693 | * be set to the size of the class specific header plus the amount of class |
| 694 | * defined data being transferred. The paylen_newwin field should be |
| 695 | * specified in network-byte order. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | */ |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 697 | int ib_post_send_mad(struct ib_mad_send_buf *send_buf, |
| 698 | struct ib_mad_send_buf **bad_send_buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | |
| 701 | /** |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 702 | * ib_free_recv_mad - Returns data buffers used to receive a MAD. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | * @mad_recv_wc: Work completion information for a received MAD. |
| 704 | * |
| 705 | * Clients receiving MADs through their ib_mad_recv_handler must call this |
| 706 | * routine to return the work completion buffers to the access layer. |
| 707 | */ |
| 708 | void ib_free_recv_mad(struct ib_mad_recv_wc *mad_recv_wc); |
| 709 | |
| 710 | /** |
| 711 | * ib_cancel_mad - Cancels an outstanding send MAD operation. |
| 712 | * @mad_agent: Specifies the registration associated with sent MAD. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 713 | * @send_buf: Indicates the MAD to cancel. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | * |
| 715 | * MADs will be returned to the user through the corresponding |
| 716 | * ib_mad_send_handler. |
| 717 | */ |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 718 | void ib_cancel_mad(struct ib_mad_agent *mad_agent, |
| 719 | struct ib_mad_send_buf *send_buf); |
Hal Rosenstock | 03b61ad | 2005-07-27 11:45:32 -0700 | [diff] [blame] | 720 | |
| 721 | /** |
| 722 | * ib_modify_mad - Modifies an outstanding send MAD operation. |
| 723 | * @mad_agent: Specifies the registration associated with sent MAD. |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 724 | * @send_buf: Indicates the MAD to modify. |
Hal Rosenstock | 03b61ad | 2005-07-27 11:45:32 -0700 | [diff] [blame] | 725 | * @timeout_ms: New timeout value for sent MAD. |
| 726 | * |
| 727 | * This call will reset the timeout value for a sent MAD to the specified |
| 728 | * value. |
| 729 | */ |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 730 | int ib_modify_mad(struct ib_mad_agent *mad_agent, |
| 731 | struct ib_mad_send_buf *send_buf, u32 timeout_ms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | |
| 733 | /** |
| 734 | * ib_redirect_mad_qp - Registers a QP for MAD services. |
| 735 | * @qp: Reference to a QP that requires MAD services. |
| 736 | * @rmpp_version: If set, indicates that the client will send |
| 737 | * and receive MADs that contain the RMPP header for the given version. |
| 738 | * If set to 0, indicates that RMPP is not used by this client. |
| 739 | * @send_handler: The completion callback routine invoked after a send |
| 740 | * request has completed. |
| 741 | * @recv_handler: The completion callback routine invoked for a received |
| 742 | * MAD. |
| 743 | * @context: User specified context associated with the registration. |
| 744 | * |
| 745 | * Use of this call allows clients to use MAD services, such as RMPP, |
| 746 | * on user-owned QPs. After calling this routine, users may send |
| 747 | * MADs on the specified QP by calling ib_mad_post_send. |
| 748 | */ |
| 749 | struct ib_mad_agent *ib_redirect_mad_qp(struct ib_qp *qp, |
| 750 | u8 rmpp_version, |
| 751 | ib_mad_send_handler send_handler, |
| 752 | ib_mad_recv_handler recv_handler, |
| 753 | void *context); |
| 754 | |
| 755 | /** |
| 756 | * ib_process_mad_wc - Processes a work completion associated with a |
| 757 | * MAD sent or received on a redirected QP. |
| 758 | * @mad_agent: Specifies the registered MAD service using the redirected QP. |
| 759 | * @wc: References a work completion associated with a sent or received |
| 760 | * MAD segment. |
| 761 | * |
| 762 | * This routine is used to complete or continue processing on a MAD request. |
| 763 | * If the work completion is associated with a send operation, calling |
| 764 | * this routine is required to continue an RMPP transfer or to wait for a |
| 765 | * corresponding response, if it is a request. If the work completion is |
| 766 | * associated with a receive operation, calling this routine is required to |
| 767 | * process an inbound or outbound RMPP transfer, or to match a response MAD |
| 768 | * with its corresponding request. |
| 769 | */ |
| 770 | int ib_process_mad_wc(struct ib_mad_agent *mad_agent, |
| 771 | struct ib_wc *wc); |
| 772 | |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 773 | /** |
| 774 | * ib_create_send_mad - Allocate and initialize a data buffer and work request |
| 775 | * for sending a MAD. |
| 776 | * @mad_agent: Specifies the registered MAD service to associate with the MAD. |
| 777 | * @remote_qpn: Specifies the QPN of the receiving node. |
| 778 | * @pkey_index: Specifies which PKey the MAD will be sent using. This field |
| 779 | * is valid only if the remote_qpn is QP 1. |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 780 | * @rmpp_active: Indicates if the send will enable RMPP. |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 781 | * @hdr_len: Indicates the size of the data header of the MAD. This length |
| 782 | * should include the common MAD header, RMPP header, plus any class |
| 783 | * specific header. |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 784 | * @data_len: Indicates the size of any user-transferred data. The call will |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 785 | * automatically adjust the allocated buffer size to account for any |
| 786 | * additional padding that may be necessary. |
| 787 | * @gfp_mask: GFP mask used for the memory allocation. |
Ira Weiny | da2dfaa | 2015-06-06 14:38:28 -0400 | [diff] [blame] | 788 | * @base_version: Base Version of this MAD |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 789 | * |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 790 | * This routine allocates a MAD for sending. The returned MAD send buffer |
| 791 | * will reference a data buffer usable for sending a MAD, along |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 792 | * with an initialized work request structure. Users may modify the returned |
Sean Hefty | 34816ad | 2005-10-25 10:51:39 -0700 | [diff] [blame] | 793 | * MAD data buffer before posting the send. |
Hal Rosenstock | d2082ee | 2005-07-27 11:45:36 -0700 | [diff] [blame] | 794 | * |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 795 | * The returned MAD header, class specific headers, and any padding will be |
| 796 | * cleared. Users are responsible for initializing the common MAD header, |
| 797 | * any class specific header, and MAD data area. |
| 798 | * If @rmpp_active is set, the RMPP header will be initialized for sending. |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 799 | */ |
Dotan Barak | 4deccd6 | 2008-07-14 23:48:44 -0700 | [diff] [blame] | 800 | struct ib_mad_send_buf *ib_create_send_mad(struct ib_mad_agent *mad_agent, |
| 801 | u32 remote_qpn, u16 pkey_index, |
| 802 | int rmpp_active, |
| 803 | int hdr_len, int data_len, |
Ira Weiny | da2dfaa | 2015-06-06 14:38:28 -0400 | [diff] [blame] | 804 | gfp_t gfp_mask, |
| 805 | u8 base_version); |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 806 | |
| 807 | /** |
Hal Rosenstock | 618a3c0 | 2006-03-28 16:40:04 -0800 | [diff] [blame] | 808 | * ib_is_mad_class_rmpp - returns whether given management class |
| 809 | * supports RMPP. |
| 810 | * @mgmt_class: management class |
| 811 | * |
| 812 | * This routine returns whether the management class supports RMPP. |
| 813 | */ |
| 814 | int ib_is_mad_class_rmpp(u8 mgmt_class); |
| 815 | |
| 816 | /** |
| 817 | * ib_get_mad_data_offset - returns the data offset for a given |
| 818 | * management class. |
| 819 | * @mgmt_class: management class |
| 820 | * |
| 821 | * This routine returns the data offset in the MAD for the management |
| 822 | * class requested. |
| 823 | */ |
| 824 | int ib_get_mad_data_offset(u8 mgmt_class); |
| 825 | |
| 826 | /** |
Jack Morgenstein | f36e179 | 2006-03-03 21:54:13 -0800 | [diff] [blame] | 827 | * ib_get_rmpp_segment - returns the data buffer for a given RMPP segment. |
| 828 | * @send_buf: Previously allocated send data buffer. |
| 829 | * @seg_num: number of segment to return |
| 830 | * |
| 831 | * This routine returns a pointer to the data buffer of an RMPP MAD. |
| 832 | * Users must provide synchronization to @send_buf around this call. |
| 833 | */ |
| 834 | void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num); |
| 835 | |
| 836 | /** |
Hal Rosenstock | 824c8ae | 2005-07-27 11:45:23 -0700 | [diff] [blame] | 837 | * ib_free_send_mad - Returns data buffers used to send a MAD. |
| 838 | * @send_buf: Previously allocated send data buffer. |
| 839 | */ |
| 840 | void ib_free_send_mad(struct ib_mad_send_buf *send_buf); |
| 841 | |
Ira Weiny | 1471cb6 | 2014-08-08 19:00:56 -0400 | [diff] [blame] | 842 | /** |
| 843 | * ib_mad_kernel_rmpp_agent - Returns if the agent is performing RMPP. |
| 844 | * @agent: the agent in question |
| 845 | * @return: true if agent is performing rmpp, false otherwise. |
| 846 | */ |
Ira Weiny | f766c58 | 2015-05-08 14:27:24 -0400 | [diff] [blame] | 847 | int ib_mad_kernel_rmpp_agent(const struct ib_mad_agent *agent); |
Ira Weiny | 1471cb6 | 2014-08-08 19:00:56 -0400 | [diff] [blame] | 848 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | #endif /* IB_MAD_H */ |