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TOMOYO Linux Cross Reference
Linux/include/rdma/ib_mad.h

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /include/rdma/ib_mad.h (Version linux-6.12-rc7) and /include/rdma/ib_mad.h (Version linux-5.0.21)


  1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-O << 
  2 /*                                                  1 /*
  3  * Copyright (c) 2004 Mellanox Technologies Lt      2  * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
  4  * Copyright (c) 2004 Infinicon Corporation.        3  * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
  5  * Copyright (c) 2004 Intel Corporation.  All       4  * Copyright (c) 2004 Intel Corporation.  All rights reserved.
  6  * Copyright (c) 2004 Topspin Corporation.  Al      5  * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
  7  * Copyright (c) 2004-2006 Voltaire Corporatio      6  * Copyright (c) 2004-2006 Voltaire Corporation.  All rights reserved.
                                                   >>   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.
  8  */                                                35  */
  9                                                    36 
 10 #ifndef IB_MAD_H                               !!  37 #if !defined(IB_MAD_H)
 11 #define IB_MAD_H                                   38 #define IB_MAD_H
 12                                                    39 
 13 #include <linux/list.h>                            40 #include <linux/list.h>
 14                                                    41 
 15 #include <rdma/ib_verbs.h>                         42 #include <rdma/ib_verbs.h>
 16 #include <uapi/rdma/ib_user_mad.h>                 43 #include <uapi/rdma/ib_user_mad.h>
 17                                                    44 
 18 /* Management base versions */                     45 /* Management base versions */
 19 #define IB_MGMT_BASE_VERSION                       46 #define IB_MGMT_BASE_VERSION                    1
 20 #define OPA_MGMT_BASE_VERSION                      47 #define OPA_MGMT_BASE_VERSION                   0x80
 21                                                    48 
 22 #define OPA_SM_CLASS_VERSION                       49 #define OPA_SM_CLASS_VERSION                    0x80
 23                                                    50 
 24 /* Management classes */                           51 /* Management classes */
 25 #define IB_MGMT_CLASS_SUBN_LID_ROUTED              52 #define IB_MGMT_CLASS_SUBN_LID_ROUTED           0x01
 26 #define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE          53 #define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE       0x81
 27 #define IB_MGMT_CLASS_SUBN_ADM                     54 #define IB_MGMT_CLASS_SUBN_ADM                  0x03
 28 #define IB_MGMT_CLASS_PERF_MGMT                    55 #define IB_MGMT_CLASS_PERF_MGMT                 0x04
 29 #define IB_MGMT_CLASS_BM                           56 #define IB_MGMT_CLASS_BM                        0x05
 30 #define IB_MGMT_CLASS_DEVICE_MGMT                  57 #define IB_MGMT_CLASS_DEVICE_MGMT               0x06
 31 #define IB_MGMT_CLASS_CM                           58 #define IB_MGMT_CLASS_CM                        0x07
 32 #define IB_MGMT_CLASS_SNMP                         59 #define IB_MGMT_CLASS_SNMP                      0x08
 33 #define IB_MGMT_CLASS_DEVICE_ADM                   60 #define IB_MGMT_CLASS_DEVICE_ADM                0x10
 34 #define IB_MGMT_CLASS_BOOT_MGMT                    61 #define IB_MGMT_CLASS_BOOT_MGMT                 0x11
 35 #define IB_MGMT_CLASS_BIS                          62 #define IB_MGMT_CLASS_BIS                       0x12
 36 #define IB_MGMT_CLASS_CONG_MGMT                    63 #define IB_MGMT_CLASS_CONG_MGMT                 0x21
 37 #define IB_MGMT_CLASS_VENDOR_RANGE2_START          64 #define IB_MGMT_CLASS_VENDOR_RANGE2_START       0x30
 38 #define IB_MGMT_CLASS_VENDOR_RANGE2_END            65 #define IB_MGMT_CLASS_VENDOR_RANGE2_END         0x4F
 39                                                    66 
 40 #define IB_OPENIB_OUI                              67 #define IB_OPENIB_OUI                           (0x001405)
 41                                                    68 
 42 /* Management methods */                           69 /* Management methods */
 43 #define IB_MGMT_METHOD_GET                         70 #define IB_MGMT_METHOD_GET                      0x01
 44 #define IB_MGMT_METHOD_SET                         71 #define IB_MGMT_METHOD_SET                      0x02
 45 #define IB_MGMT_METHOD_GET_RESP                    72 #define IB_MGMT_METHOD_GET_RESP                 0x81
 46 #define IB_MGMT_METHOD_SEND                        73 #define IB_MGMT_METHOD_SEND                     0x03
 47 #define IB_MGMT_METHOD_TRAP                        74 #define IB_MGMT_METHOD_TRAP                     0x05
 48 #define IB_MGMT_METHOD_REPORT                      75 #define IB_MGMT_METHOD_REPORT                   0x06
 49 #define IB_MGMT_METHOD_REPORT_RESP                 76 #define IB_MGMT_METHOD_REPORT_RESP              0x86
 50 #define IB_MGMT_METHOD_TRAP_REPRESS                77 #define IB_MGMT_METHOD_TRAP_REPRESS             0x07
 51                                                    78 
 52 #define IB_MGMT_METHOD_RESP                        79 #define IB_MGMT_METHOD_RESP                     0x80
 53 #define IB_BM_ATTR_MOD_RESP                        80 #define IB_BM_ATTR_MOD_RESP                     cpu_to_be32(1)
 54                                                    81 
 55 #define IB_MGMT_MAX_METHODS                        82 #define IB_MGMT_MAX_METHODS                     128
 56                                                    83 
 57 /* MAD Status field bit masks */                   84 /* MAD Status field bit masks */
 58 #define IB_MGMT_MAD_STATUS_SUCCESS                 85 #define IB_MGMT_MAD_STATUS_SUCCESS                      0x0000
 59 #define IB_MGMT_MAD_STATUS_BUSY                    86 #define IB_MGMT_MAD_STATUS_BUSY                         0x0001
 60 #define IB_MGMT_MAD_STATUS_REDIRECT_REQD           87 #define IB_MGMT_MAD_STATUS_REDIRECT_REQD                0x0002
 61 #define IB_MGMT_MAD_STATUS_BAD_VERSION             88 #define IB_MGMT_MAD_STATUS_BAD_VERSION                  0x0004
 62 #define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD      89 #define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD           0x0008
 63 #define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_     90 #define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB    0x000c
 64 #define IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALU     91 #define IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE         0x001c
 65                                                    92 
 66 /* RMPP information */                             93 /* RMPP information */
 67 #define IB_MGMT_RMPP_VERSION                       94 #define IB_MGMT_RMPP_VERSION                    1
 68                                                    95 
 69 #define IB_MGMT_RMPP_TYPE_DATA                     96 #define IB_MGMT_RMPP_TYPE_DATA                  1
 70 #define IB_MGMT_RMPP_TYPE_ACK                      97 #define IB_MGMT_RMPP_TYPE_ACK                   2
 71 #define IB_MGMT_RMPP_TYPE_STOP                     98 #define IB_MGMT_RMPP_TYPE_STOP                  3
 72 #define IB_MGMT_RMPP_TYPE_ABORT                    99 #define IB_MGMT_RMPP_TYPE_ABORT                 4
 73                                                   100 
 74 #define IB_MGMT_RMPP_FLAG_ACTIVE                  101 #define IB_MGMT_RMPP_FLAG_ACTIVE                1
 75 #define IB_MGMT_RMPP_FLAG_FIRST                   102 #define IB_MGMT_RMPP_FLAG_FIRST                 (1<<1)
 76 #define IB_MGMT_RMPP_FLAG_LAST                    103 #define IB_MGMT_RMPP_FLAG_LAST                  (1<<2)
 77                                                   104 
 78 #define IB_MGMT_RMPP_NO_RESPTIME                  105 #define IB_MGMT_RMPP_NO_RESPTIME                0x1F
 79                                                   106 
 80 #define IB_MGMT_RMPP_STATUS_SUCCESS               107 #define IB_MGMT_RMPP_STATUS_SUCCESS             0
 81 #define IB_MGMT_RMPP_STATUS_RESX                  108 #define IB_MGMT_RMPP_STATUS_RESX                1
 82 #define IB_MGMT_RMPP_STATUS_ABORT_MIN             109 #define IB_MGMT_RMPP_STATUS_ABORT_MIN           118
 83 #define IB_MGMT_RMPP_STATUS_T2L                   110 #define IB_MGMT_RMPP_STATUS_T2L                 118
 84 #define IB_MGMT_RMPP_STATUS_BAD_LEN               111 #define IB_MGMT_RMPP_STATUS_BAD_LEN             119
 85 #define IB_MGMT_RMPP_STATUS_BAD_SEG               112 #define IB_MGMT_RMPP_STATUS_BAD_SEG             120
 86 #define IB_MGMT_RMPP_STATUS_BADT                  113 #define IB_MGMT_RMPP_STATUS_BADT                121
 87 #define IB_MGMT_RMPP_STATUS_W2S                   114 #define IB_MGMT_RMPP_STATUS_W2S                 122
 88 #define IB_MGMT_RMPP_STATUS_S2B                   115 #define IB_MGMT_RMPP_STATUS_S2B                 123
 89 #define IB_MGMT_RMPP_STATUS_BAD_STATUS            116 #define IB_MGMT_RMPP_STATUS_BAD_STATUS          124
 90 #define IB_MGMT_RMPP_STATUS_UNV                   117 #define IB_MGMT_RMPP_STATUS_UNV                 125
 91 #define IB_MGMT_RMPP_STATUS_TMR                   118 #define IB_MGMT_RMPP_STATUS_TMR                 126
 92 #define IB_MGMT_RMPP_STATUS_UNSPEC                119 #define IB_MGMT_RMPP_STATUS_UNSPEC              127
 93 #define IB_MGMT_RMPP_STATUS_ABORT_MAX             120 #define IB_MGMT_RMPP_STATUS_ABORT_MAX           127
 94                                                   121 
 95 #define IB_QP0          0                         122 #define IB_QP0          0
 96 #define IB_QP1          cpu_to_be32(1)            123 #define IB_QP1          cpu_to_be32(1)
 97 #define IB_QP1_QKEY     0x80010000                124 #define IB_QP1_QKEY     0x80010000
 98 #define IB_QP_SET_QKEY  0x80000000                125 #define IB_QP_SET_QKEY  0x80000000
 99                                                   126 
100 #define IB_DEFAULT_PKEY_PARTIAL 0x7FFF            127 #define IB_DEFAULT_PKEY_PARTIAL 0x7FFF
101 #define IB_DEFAULT_PKEY_FULL    0xFFFF            128 #define IB_DEFAULT_PKEY_FULL    0xFFFF
102                                                   129 
103 /*                                                130 /*
104  * Generic trap/notice types                      131  * Generic trap/notice types
105  */                                               132  */
106 #define IB_NOTICE_TYPE_FATAL    0x80              133 #define IB_NOTICE_TYPE_FATAL    0x80
107 #define IB_NOTICE_TYPE_URGENT   0x81              134 #define IB_NOTICE_TYPE_URGENT   0x81
108 #define IB_NOTICE_TYPE_SECURITY 0x82              135 #define IB_NOTICE_TYPE_SECURITY 0x82
109 #define IB_NOTICE_TYPE_SM       0x83              136 #define IB_NOTICE_TYPE_SM       0x83
110 #define IB_NOTICE_TYPE_INFO     0x84              137 #define IB_NOTICE_TYPE_INFO     0x84
111                                                   138 
112 /*                                                139 /*
113  * Generic trap/notice producers                  140  * Generic trap/notice producers
114  */                                               141  */
115 #define IB_NOTICE_PROD_CA               cpu_to    142 #define IB_NOTICE_PROD_CA               cpu_to_be16(1)
116 #define IB_NOTICE_PROD_SWITCH           cpu_to    143 #define IB_NOTICE_PROD_SWITCH           cpu_to_be16(2)
117 #define IB_NOTICE_PROD_ROUTER           cpu_to    144 #define IB_NOTICE_PROD_ROUTER           cpu_to_be16(3)
118 #define IB_NOTICE_PROD_CLASS_MGR        cpu_to    145 #define IB_NOTICE_PROD_CLASS_MGR        cpu_to_be16(4)
119                                                   146 
120 enum {                                            147 enum {
121         IB_MGMT_MAD_HDR = 24,                     148         IB_MGMT_MAD_HDR = 24,
122         IB_MGMT_MAD_DATA = 232,                   149         IB_MGMT_MAD_DATA = 232,
123         IB_MGMT_RMPP_HDR = 36,                    150         IB_MGMT_RMPP_HDR = 36,
124         IB_MGMT_RMPP_DATA = 220,                  151         IB_MGMT_RMPP_DATA = 220,
125         IB_MGMT_VENDOR_HDR = 40,                  152         IB_MGMT_VENDOR_HDR = 40,
126         IB_MGMT_VENDOR_DATA = 216,                153         IB_MGMT_VENDOR_DATA = 216,
127         IB_MGMT_SA_HDR = 56,                      154         IB_MGMT_SA_HDR = 56,
128         IB_MGMT_SA_DATA = 200,                    155         IB_MGMT_SA_DATA = 200,
129         IB_MGMT_DEVICE_HDR = 64,                  156         IB_MGMT_DEVICE_HDR = 64,
130         IB_MGMT_DEVICE_DATA = 192,                157         IB_MGMT_DEVICE_DATA = 192,
131         IB_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + I    158         IB_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + IB_MGMT_MAD_DATA,
132         OPA_MGMT_MAD_DATA = 2024,                 159         OPA_MGMT_MAD_DATA = 2024,
133         OPA_MGMT_RMPP_DATA = 2012,                160         OPA_MGMT_RMPP_DATA = 2012,
134         OPA_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR +     161         OPA_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + OPA_MGMT_MAD_DATA,
135 };                                                162 };
136                                                   163 
137 struct ib_mad_hdr {                               164 struct ib_mad_hdr {
138         u8      base_version;                     165         u8      base_version;
139         u8      mgmt_class;                       166         u8      mgmt_class;
140         u8      class_version;                    167         u8      class_version;
141         u8      method;                           168         u8      method;
142         __be16  status;                           169         __be16  status;
143         __be16  class_specific;                   170         __be16  class_specific;
144         __be64  tid;                              171         __be64  tid;
145         __be16  attr_id;                          172         __be16  attr_id;
146         __be16  resv;                             173         __be16  resv;
147         __be32  attr_mod;                         174         __be32  attr_mod;
148 };                                                175 };
149                                                   176 
150 struct ib_rmpp_hdr {                              177 struct ib_rmpp_hdr {
151         u8      rmpp_version;                     178         u8      rmpp_version;
152         u8      rmpp_type;                        179         u8      rmpp_type;
153         u8      rmpp_rtime_flags;                 180         u8      rmpp_rtime_flags;
154         u8      rmpp_status;                      181         u8      rmpp_status;
155         __be32  seg_num;                          182         __be32  seg_num;
156         __be32  paylen_newwin;                    183         __be32  paylen_newwin;
157 };                                                184 };
158                                                   185 
159 typedef u64 __bitwise ib_sa_comp_mask;            186 typedef u64 __bitwise ib_sa_comp_mask;
160                                                   187 
161 #define IB_SA_COMP_MASK(n) ((__force ib_sa_com    188 #define IB_SA_COMP_MASK(n) ((__force ib_sa_comp_mask) cpu_to_be64(1ull << (n)))
162                                                   189 
163 /*                                                190 /*
164  * ib_sa_hdr and ib_sa_mad structures must be     191  * ib_sa_hdr and ib_sa_mad structures must be packed because they have
165  * 64-bit fields that are only 32-bit aligned.    192  * 64-bit fields that are only 32-bit aligned. 64-bit architectures will
166  * lay them out wrong otherwise.  (And unfortu    193  * lay them out wrong otherwise.  (And unfortunately they are sent on
167  * the wire so we can't change the layout)        194  * the wire so we can't change the layout)
168  */                                               195  */
169 struct ib_sa_hdr {                                196 struct ib_sa_hdr {
170         __be64                  sm_key;           197         __be64                  sm_key;
171         __be16                  attr_offset;      198         __be16                  attr_offset;
172         __be16                  reserved;         199         __be16                  reserved;
173         ib_sa_comp_mask         comp_mask;        200         ib_sa_comp_mask         comp_mask;
174 } __packed;                                    !! 201 } __attribute__ ((packed));
175                                                   202 
176 struct ib_mad {                                   203 struct ib_mad {
177         struct ib_mad_hdr       mad_hdr;          204         struct ib_mad_hdr       mad_hdr;
178         u8                      data[IB_MGMT_M    205         u8                      data[IB_MGMT_MAD_DATA];
179 };                                                206 };
180                                                   207 
181 struct opa_mad {                                  208 struct opa_mad {
182         struct ib_mad_hdr       mad_hdr;          209         struct ib_mad_hdr       mad_hdr;
183         u8                      data[OPA_MGMT_    210         u8                      data[OPA_MGMT_MAD_DATA];
184 };                                                211 };
185                                                   212 
186 struct ib_rmpp_mad {                              213 struct ib_rmpp_mad {
187         struct ib_mad_hdr       mad_hdr;          214         struct ib_mad_hdr       mad_hdr;
188         struct ib_rmpp_hdr      rmpp_hdr;         215         struct ib_rmpp_hdr      rmpp_hdr;
189         u8                      data[IB_MGMT_R    216         u8                      data[IB_MGMT_RMPP_DATA];
190 };                                                217 };
191                                                   218 
192 struct opa_rmpp_mad {                             219 struct opa_rmpp_mad {
193         struct ib_mad_hdr       mad_hdr;          220         struct ib_mad_hdr       mad_hdr;
194         struct ib_rmpp_hdr      rmpp_hdr;         221         struct ib_rmpp_hdr      rmpp_hdr;
195         u8                      data[OPA_MGMT_    222         u8                      data[OPA_MGMT_RMPP_DATA];
196 };                                                223 };
197                                                   224 
198 struct ib_sa_mad {                                225 struct ib_sa_mad {
199         struct ib_mad_hdr       mad_hdr;          226         struct ib_mad_hdr       mad_hdr;
200         struct ib_rmpp_hdr      rmpp_hdr;         227         struct ib_rmpp_hdr      rmpp_hdr;
201         struct ib_sa_hdr        sa_hdr;           228         struct ib_sa_hdr        sa_hdr;
202         u8                      data[IB_MGMT_S    229         u8                      data[IB_MGMT_SA_DATA];
203 } __packed;                                    !! 230 } __attribute__ ((packed));
204                                                   231 
205 struct ib_vendor_mad {                            232 struct ib_vendor_mad {
206         struct ib_mad_hdr       mad_hdr;          233         struct ib_mad_hdr       mad_hdr;
207         struct ib_rmpp_hdr      rmpp_hdr;         234         struct ib_rmpp_hdr      rmpp_hdr;
208         u8                      reserved;         235         u8                      reserved;
209         u8                      oui[3];           236         u8                      oui[3];
210         u8                      data[IB_MGMT_V    237         u8                      data[IB_MGMT_VENDOR_DATA];
211 };                                                238 };
212                                                   239 
213 #define IB_MGMT_CLASSPORTINFO_ATTR_ID   cpu_to    240 #define IB_MGMT_CLASSPORTINFO_ATTR_ID   cpu_to_be16(0x0001)
214                                                   241 
215 #define IB_CLASS_PORT_INFO_RESP_TIME_MASK         242 #define IB_CLASS_PORT_INFO_RESP_TIME_MASK       0x1F
216 #define IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZ    243 #define IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE 5
217                                                   244 
218 struct ib_class_port_info {                       245 struct ib_class_port_info {
219         u8                      base_version;     246         u8                      base_version;
220         u8                      class_version;    247         u8                      class_version;
221         __be16                  capability_mas    248         __be16                  capability_mask;
222           /* 27 bits for cap_mask2, 5 bits for    249           /* 27 bits for cap_mask2, 5 bits for resp_time */
223         __be32                  cap_mask2_resp    250         __be32                  cap_mask2_resp_time;
224         u8                      redirect_gid[1    251         u8                      redirect_gid[16];
225         __be32                  redirect_tcslf    252         __be32                  redirect_tcslfl;
226         __be16                  redirect_lid;     253         __be16                  redirect_lid;
227         __be16                  redirect_pkey;    254         __be16                  redirect_pkey;
228         __be32                  redirect_qp;      255         __be32                  redirect_qp;
229         __be32                  redirect_qkey;    256         __be32                  redirect_qkey;
230         u8                      trap_gid[16];     257         u8                      trap_gid[16];
231         __be32                  trap_tcslfl;      258         __be32                  trap_tcslfl;
232         __be16                  trap_lid;         259         __be16                  trap_lid;
233         __be16                  trap_pkey;        260         __be16                  trap_pkey;
234         __be32                  trap_hlqp;        261         __be32                  trap_hlqp;
235         __be32                  trap_qkey;        262         __be32                  trap_qkey;
236 };                                                263 };
237                                                   264 
238 /* PortInfo CapabilityMask */                     265 /* PortInfo CapabilityMask */
239 enum ib_port_capability_mask_bits {               266 enum ib_port_capability_mask_bits {
240         IB_PORT_SM = 1 << 1,                      267         IB_PORT_SM = 1 << 1,
241         IB_PORT_NOTICE_SUP = 1 << 2,              268         IB_PORT_NOTICE_SUP = 1 << 2,
242         IB_PORT_TRAP_SUP = 1 << 3,                269         IB_PORT_TRAP_SUP = 1 << 3,
243         IB_PORT_OPT_IPD_SUP = 1 << 4,             270         IB_PORT_OPT_IPD_SUP = 1 << 4,
244         IB_PORT_AUTO_MIGR_SUP = 1 << 5,           271         IB_PORT_AUTO_MIGR_SUP = 1 << 5,
245         IB_PORT_SL_MAP_SUP = 1 << 6,              272         IB_PORT_SL_MAP_SUP = 1 << 6,
246         IB_PORT_MKEY_NVRAM = 1 << 7,              273         IB_PORT_MKEY_NVRAM = 1 << 7,
247         IB_PORT_PKEY_NVRAM = 1 << 8,              274         IB_PORT_PKEY_NVRAM = 1 << 8,
248         IB_PORT_LED_INFO_SUP = 1 << 9,            275         IB_PORT_LED_INFO_SUP = 1 << 9,
249         IB_PORT_SM_DISABLED = 1 << 10,            276         IB_PORT_SM_DISABLED = 1 << 10,
250         IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,     277         IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
251         IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1     278         IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
252         IB_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,    279         IB_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
253         IB_PORT_CAP_MASK2_SUP = 1 << 15,          280         IB_PORT_CAP_MASK2_SUP = 1 << 15,
254         IB_PORT_CM_SUP = 1 << 16,                 281         IB_PORT_CM_SUP = 1 << 16,
255         IB_PORT_SNMP_TUNNEL_SUP = 1 << 17,        282         IB_PORT_SNMP_TUNNEL_SUP = 1 << 17,
256         IB_PORT_REINIT_SUP = 1 << 18,             283         IB_PORT_REINIT_SUP = 1 << 18,
257         IB_PORT_DEVICE_MGMT_SUP = 1 << 19,        284         IB_PORT_DEVICE_MGMT_SUP = 1 << 19,
258         IB_PORT_VENDOR_CLASS_SUP = 1 << 20,       285         IB_PORT_VENDOR_CLASS_SUP = 1 << 20,
259         IB_PORT_DR_NOTICE_SUP = 1 << 21,          286         IB_PORT_DR_NOTICE_SUP = 1 << 21,
260         IB_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,    287         IB_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
261         IB_PORT_BOOT_MGMT_SUP = 1 << 23,          288         IB_PORT_BOOT_MGMT_SUP = 1 << 23,
262         IB_PORT_LINK_LATENCY_SUP = 1 << 24,       289         IB_PORT_LINK_LATENCY_SUP = 1 << 24,
263         IB_PORT_CLIENT_REG_SUP = 1 << 25,         290         IB_PORT_CLIENT_REG_SUP = 1 << 25,
264         IB_PORT_OTHER_LOCAL_CHANGES_SUP = 1 <<    291         IB_PORT_OTHER_LOCAL_CHANGES_SUP = 1 << 26,
265         IB_PORT_LINK_SPEED_WIDTH_TABLE_SUP = 1    292         IB_PORT_LINK_SPEED_WIDTH_TABLE_SUP = 1 << 27,
266         IB_PORT_VENDOR_SPECIFIC_MADS_TABLE_SUP    293         IB_PORT_VENDOR_SPECIFIC_MADS_TABLE_SUP = 1 << 28,
267         IB_PORT_MCAST_PKEY_TRAP_SUPPRESSION_SU    294         IB_PORT_MCAST_PKEY_TRAP_SUPPRESSION_SUP = 1 << 29,
268         IB_PORT_MCAST_FDB_TOP_SUP = 1 << 30,      295         IB_PORT_MCAST_FDB_TOP_SUP = 1 << 30,
269         IB_PORT_HIERARCHY_INFO_SUP = 1ULL << 3    296         IB_PORT_HIERARCHY_INFO_SUP = 1ULL << 31,
270 };                                                297 };
271                                                   298 
272 enum ib_port_capability_mask2_bits {              299 enum ib_port_capability_mask2_bits {
273         IB_PORT_SET_NODE_DESC_SUP                 300         IB_PORT_SET_NODE_DESC_SUP               = 1 << 0,
274         IB_PORT_EX_PORT_INFO_EX_SUP               301         IB_PORT_EX_PORT_INFO_EX_SUP             = 1 << 1,
275         IB_PORT_VIRT_SUP                          302         IB_PORT_VIRT_SUP                        = 1 << 2,
276         IB_PORT_SWITCH_PORT_STATE_TABLE_SUP       303         IB_PORT_SWITCH_PORT_STATE_TABLE_SUP     = 1 << 3,
277         IB_PORT_LINK_WIDTH_2X_SUP                 304         IB_PORT_LINK_WIDTH_2X_SUP               = 1 << 4,
278         IB_PORT_LINK_SPEED_HDR_SUP                305         IB_PORT_LINK_SPEED_HDR_SUP              = 1 << 5,
279         IB_PORT_LINK_SPEED_NDR_SUP             << 
280         IB_PORT_EXTENDED_SPEEDS2_SUP           << 
281         IB_PORT_LINK_SPEED_XDR_SUP             << 
282 };                                                306 };
283                                                   307 
284 #define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)    308 #define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)
285                                                   309 
286 struct opa_class_port_info {                      310 struct opa_class_port_info {
287         u8 base_version;                          311         u8 base_version;
288         u8 class_version;                         312         u8 class_version;
289         __be16 cap_mask;                          313         __be16 cap_mask;
290         __be32 cap_mask2_resp_time;               314         __be32 cap_mask2_resp_time;
291                                                   315 
292         u8 redirect_gid[16];                      316         u8 redirect_gid[16];
293         __be32 redirect_tc_fl;                    317         __be32 redirect_tc_fl;
294         __be32 redirect_lid;                      318         __be32 redirect_lid;
295         __be32 redirect_sl_qp;                    319         __be32 redirect_sl_qp;
296         __be32 redirect_qkey;                     320         __be32 redirect_qkey;
297                                                   321 
298         u8 trap_gid[16];                          322         u8 trap_gid[16];
299         __be32 trap_tc_fl;                        323         __be32 trap_tc_fl;
300         __be32 trap_lid;                          324         __be32 trap_lid;
301         __be32 trap_hl_qp;                        325         __be32 trap_hl_qp;
302         __be32 trap_qkey;                         326         __be32 trap_qkey;
303                                                   327 
304         __be16 trap_pkey;                         328         __be16 trap_pkey;
305         __be16 redirect_pkey;                     329         __be16 redirect_pkey;
306                                                   330 
307         u8 trap_sl_rsvd;                          331         u8 trap_sl_rsvd;
308         u8 reserved[3];                           332         u8 reserved[3];
309 } __packed;                                       333 } __packed;
310                                                   334 
311 /**                                               335 /**
312  * ib_get_cpi_resp_time - Returns the resp_tim    336  * ib_get_cpi_resp_time - Returns the resp_time value from
313  * cap_mask2_resp_time in ib_class_port_info.     337  * cap_mask2_resp_time in ib_class_port_info.
314  * @cpi: A struct ib_class_port_info mad.         338  * @cpi: A struct ib_class_port_info mad.
315  */                                               339  */
316 static inline u8 ib_get_cpi_resp_time(struct i    340 static inline u8 ib_get_cpi_resp_time(struct ib_class_port_info *cpi)
317 {                                                 341 {
318         return (u8)(be32_to_cpu(cpi->cap_mask2    342         return (u8)(be32_to_cpu(cpi->cap_mask2_resp_time) &
319                     IB_CLASS_PORT_INFO_RESP_TI    343                     IB_CLASS_PORT_INFO_RESP_TIME_MASK);
320 }                                                 344 }
321                                                   345 
322 /**                                               346 /**
323  * ib_set_cpi_resptime - Sets the response tim    347  * ib_set_cpi_resptime - Sets the response time in an
324  * ib_class_port_info mad.                        348  * ib_class_port_info mad.
325  * @cpi: A struct ib_class_port_info.             349  * @cpi: A struct ib_class_port_info.
326  * @rtime: The response time to set.              350  * @rtime: The response time to set.
327  */                                               351  */
328 static inline void ib_set_cpi_resp_time(struct    352 static inline void ib_set_cpi_resp_time(struct ib_class_port_info *cpi,
329                                         u8 rti    353                                         u8 rtime)
330 {                                                 354 {
331         cpi->cap_mask2_resp_time =                355         cpi->cap_mask2_resp_time =
332                 (cpi->cap_mask2_resp_time &       356                 (cpi->cap_mask2_resp_time &
333                  cpu_to_be32(~IB_CLASS_PORT_IN    357                  cpu_to_be32(~IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
334                 cpu_to_be32(rtime & IB_CLASS_P    358                 cpu_to_be32(rtime & IB_CLASS_PORT_INFO_RESP_TIME_MASK);
335 }                                                 359 }
336                                                   360 
337 /**                                               361 /**
338  * ib_get_cpi_capmask2 - Returns the capmask2     362  * ib_get_cpi_capmask2 - Returns the capmask2 value from
339  * cap_mask2_resp_time in ib_class_port_info.     363  * cap_mask2_resp_time in ib_class_port_info.
340  * @cpi: A struct ib_class_port_info mad.         364  * @cpi: A struct ib_class_port_info mad.
341  */                                               365  */
342 static inline u32 ib_get_cpi_capmask2(struct i    366 static inline u32 ib_get_cpi_capmask2(struct ib_class_port_info *cpi)
343 {                                                 367 {
344         return (be32_to_cpu(cpi->cap_mask2_res    368         return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
345                 IB_CLASS_PORT_INFO_RESP_TIME_F    369                 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
346 }                                                 370 }
347                                                   371 
348 /**                                               372 /**
349  * ib_set_cpi_capmask2 - Sets the capmask2 in     373  * ib_set_cpi_capmask2 - Sets the capmask2 in an
350  * ib_class_port_info mad.                        374  * ib_class_port_info mad.
351  * @cpi: A struct ib_class_port_info.             375  * @cpi: A struct ib_class_port_info.
352  * @capmask2: The capmask2 to set.                376  * @capmask2: The capmask2 to set.
353  */                                               377  */
354 static inline void ib_set_cpi_capmask2(struct     378 static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi,
355                                        u32 cap    379                                        u32 capmask2)
356 {                                                 380 {
357         cpi->cap_mask2_resp_time =                381         cpi->cap_mask2_resp_time =
358                 (cpi->cap_mask2_resp_time &       382                 (cpi->cap_mask2_resp_time &
359                  cpu_to_be32(IB_CLASS_PORT_INF    383                  cpu_to_be32(IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
360                 cpu_to_be32(capmask2 <<           384                 cpu_to_be32(capmask2 <<
361                             IB_CLASS_PORT_INFO    385                             IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
362 }                                                 386 }
363                                                   387 
364 /**                                               388 /**
365  * opa_get_cpi_capmask2 - Returns the capmask2    389  * opa_get_cpi_capmask2 - Returns the capmask2 value from
366  * cap_mask2_resp_time in ib_class_port_info.     390  * cap_mask2_resp_time in ib_class_port_info.
367  * @cpi: A struct opa_class_port_info mad.        391  * @cpi: A struct opa_class_port_info mad.
368  */                                               392  */
369 static inline u32 opa_get_cpi_capmask2(struct     393 static inline u32 opa_get_cpi_capmask2(struct opa_class_port_info *cpi)
370 {                                                 394 {
371         return (be32_to_cpu(cpi->cap_mask2_res    395         return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
372                 IB_CLASS_PORT_INFO_RESP_TIME_F    396                 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
373 }                                                 397 }
374                                                   398 
375 struct ib_mad_notice_attr {                       399 struct ib_mad_notice_attr {
376         u8 generic_type;                          400         u8 generic_type;
377         u8 prod_type_msb;                         401         u8 prod_type_msb;
378         __be16 prod_type_lsb;                     402         __be16 prod_type_lsb;
379         __be16 trap_num;                          403         __be16 trap_num;
380         __be16 issuer_lid;                        404         __be16 issuer_lid;
381         __be16 toggle_count;                      405         __be16 toggle_count;
382                                                   406 
383         union {                                   407         union {
384                 struct {                          408                 struct {
385                         u8      details[54];      409                         u8      details[54];
386                 } raw_data;                       410                 } raw_data;
387                                                   411 
388                 struct {                          412                 struct {
389                         __be16  reserved;         413                         __be16  reserved;
390                         __be16  lid;              414                         __be16  lid;            /* where violation happened */
391                         u8      port_num;         415                         u8      port_num;       /* where violation happened */
392                 } __packed ntc_129_131;           416                 } __packed ntc_129_131;
393                                                   417 
394                 struct {                          418                 struct {
395                         __be16  reserved;         419                         __be16  reserved;
396                         __be16  lid;              420                         __be16  lid;            /* LID where change occurred */
397                         u8      reserved2;        421                         u8      reserved2;
398                         u8      local_changes;    422                         u8      local_changes;  /* low bit - local changes */
399                         __be32  new_cap_mask;     423                         __be32  new_cap_mask;   /* new capability mask */
400                         u8      reserved3;        424                         u8      reserved3;
401                         u8      change_flags;     425                         u8      change_flags;   /* low 3 bits only */
402                 } __packed ntc_144;               426                 } __packed ntc_144;
403                                                   427 
404                 struct {                          428                 struct {
405                         __be16  reserved;         429                         __be16  reserved;
406                         __be16  lid;              430                         __be16  lid;            /* lid where sys guid changed */
407                         __be16  reserved2;        431                         __be16  reserved2;
408                         __be64  new_sys_guid;     432                         __be64  new_sys_guid;
409                 } __packed ntc_145;               433                 } __packed ntc_145;
410                                                   434 
411                 struct {                          435                 struct {
412                         __be16  reserved;         436                         __be16  reserved;
413                         __be16  lid;              437                         __be16  lid;
414                         __be16  dr_slid;          438                         __be16  dr_slid;
415                         u8      method;           439                         u8      method;
416                         u8      reserved2;        440                         u8      reserved2;
417                         __be16  attr_id;          441                         __be16  attr_id;
418                         __be32  attr_mod;         442                         __be32  attr_mod;
419                         __be64  mkey;             443                         __be64  mkey;
420                         u8      reserved3;        444                         u8      reserved3;
421                         u8      dr_trunc_hop;     445                         u8      dr_trunc_hop;
422                         u8      dr_rtn_path[30    446                         u8      dr_rtn_path[30];
423                 } __packed ntc_256;               447                 } __packed ntc_256;
424                                                   448 
425                 struct {                          449                 struct {
426                         __be16          reserv    450                         __be16          reserved;
427                         __be16          lid1;     451                         __be16          lid1;
428                         __be16          lid2;     452                         __be16          lid2;
429                         __be32          key;      453                         __be32          key;
430                         __be32          sl_qp1    454                         __be32          sl_qp1; /* SL: high 4 bits */
431                         __be32          qp2;      455                         __be32          qp2;    /* high 8 bits reserved */
432                         union ib_gid    gid1;     456                         union ib_gid    gid1;
433                         union ib_gid    gid2;     457                         union ib_gid    gid2;
434                 } __packed ntc_257_258;           458                 } __packed ntc_257_258;
435                                                   459 
436         } details;                                460         } details;
437 };                                                461 };
438                                                   462 
439 /**                                               463 /**
440  * ib_mad_send_buf - MAD data buffer and work     464  * ib_mad_send_buf - MAD data buffer and work request for sends.
441  * @next: A pointer used to chain together MAD    465  * @next: A pointer used to chain together MADs for posting.
442  * @mad: References an allocated MAD data buff    466  * @mad: References an allocated MAD data buffer for MADs that do not have
443  *   RMPP active.  For MADs using RMPP, refere    467  *   RMPP active.  For MADs using RMPP, references the common and management
444  *   class specific headers.                      468  *   class specific headers.
445  * @mad_agent: MAD agent that allocated the bu    469  * @mad_agent: MAD agent that allocated the buffer.
446  * @ah: The address handle to use when sending    470  * @ah: The address handle to use when sending the MAD.
447  * @context: User-controlled context fields.      471  * @context: User-controlled context fields.
448  * @hdr_len: Indicates the size of the data he    472  * @hdr_len: Indicates the size of the data header of the MAD.  This length
449  *   includes the common MAD, RMPP, and class     473  *   includes the common MAD, RMPP, and class specific headers.
450  * @data_len: Indicates the total size of user    474  * @data_len: Indicates the total size of user-transferred data.
451  * @seg_count: The number of RMPP segments all    475  * @seg_count: The number of RMPP segments allocated for this send.
452  * @seg_size: Size of the data in each RMPP se    476  * @seg_size: Size of the data in each RMPP segment.  This does not include
453  *   class specific headers.                      477  *   class specific headers.
454  * @seg_rmpp_size: Size of each RMPP segment i    478  * @seg_rmpp_size: Size of each RMPP segment including the class specific
455  *   headers.                                     479  *   headers.
456  * @timeout_ms: Time to wait for a response.      480  * @timeout_ms: Time to wait for a response.
457  * @retries: Number of times to retry a reques    481  * @retries: Number of times to retry a request for a response.  For MADs
458  *   using RMPP, this applies per window.  On     482  *   using RMPP, this applies per window.  On completion, returns the number
459  *   of retries needed to complete the transfe    483  *   of retries needed to complete the transfer.
460  *                                                484  *
461  * Users are responsible for initializing the     485  * Users are responsible for initializing the MAD buffer itself, with the
462  * exception of any RMPP header.  Additional s    486  * exception of any RMPP header.  Additional segment buffer space allocated
463  * beyond data_len is padding.                    487  * beyond data_len is padding.
464  */                                               488  */
465 struct ib_mad_send_buf {                          489 struct ib_mad_send_buf {
466         struct ib_mad_send_buf  *next;            490         struct ib_mad_send_buf  *next;
467         void                    *mad;             491         void                    *mad;
468         struct ib_mad_agent     *mad_agent;       492         struct ib_mad_agent     *mad_agent;
469         struct ib_ah            *ah;              493         struct ib_ah            *ah;
470         void                    *context[2];      494         void                    *context[2];
471         int                     hdr_len;          495         int                     hdr_len;
472         int                     data_len;         496         int                     data_len;
473         int                     seg_count;        497         int                     seg_count;
474         int                     seg_size;         498         int                     seg_size;
475         int                     seg_rmpp_size;    499         int                     seg_rmpp_size;
476         int                     timeout_ms;       500         int                     timeout_ms;
477         int                     retries;          501         int                     retries;
478 };                                                502 };
479                                                   503 
480 /**                                               504 /**
481  * ib_response_mad - Returns if the specified     505  * ib_response_mad - Returns if the specified MAD has been generated in
482  *   response to a sent request or trap.          506  *   response to a sent request or trap.
483  */                                               507  */
484 int ib_response_mad(const struct ib_mad_hdr *h    508 int ib_response_mad(const struct ib_mad_hdr *hdr);
485                                                   509 
486 /**                                               510 /**
487  * ib_get_rmpp_resptime - Returns the RMPP res    511  * ib_get_rmpp_resptime - Returns the RMPP response time.
488  * @rmpp_hdr: An RMPP header.                     512  * @rmpp_hdr: An RMPP header.
489  */                                               513  */
490 static inline u8 ib_get_rmpp_resptime(struct i    514 static inline u8 ib_get_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr)
491 {                                                 515 {
492         return rmpp_hdr->rmpp_rtime_flags >> 3    516         return rmpp_hdr->rmpp_rtime_flags >> 3;
493 }                                                 517 }
494                                                   518 
495 /**                                               519 /**
496  * ib_get_rmpp_flags - Returns the RMPP flags.    520  * ib_get_rmpp_flags - Returns the RMPP flags.
497  * @rmpp_hdr: An RMPP header.                     521  * @rmpp_hdr: An RMPP header.
498  */                                               522  */
499 static inline u8 ib_get_rmpp_flags(struct ib_r    523 static inline u8 ib_get_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr)
500 {                                                 524 {
501         return rmpp_hdr->rmpp_rtime_flags & 0x    525         return rmpp_hdr->rmpp_rtime_flags & 0x7;
502 }                                                 526 }
503                                                   527 
504 /**                                               528 /**
505  * ib_set_rmpp_resptime - Sets the response ti    529  * ib_set_rmpp_resptime - Sets the response time in an RMPP header.
506  * @rmpp_hdr: An RMPP header.                     530  * @rmpp_hdr: An RMPP header.
507  * @rtime: The response time to set.              531  * @rtime: The response time to set.
508  */                                               532  */
509 static inline void ib_set_rmpp_resptime(struct    533 static inline void ib_set_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr, u8 rtime)
510 {                                                 534 {
511         rmpp_hdr->rmpp_rtime_flags = ib_get_rm    535         rmpp_hdr->rmpp_rtime_flags = ib_get_rmpp_flags(rmpp_hdr) | (rtime << 3);
512 }                                                 536 }
513                                                   537 
514 /**                                               538 /**
515  * ib_set_rmpp_flags - Sets the flags in an RM    539  * ib_set_rmpp_flags - Sets the flags in an RMPP header.
516  * @rmpp_hdr: An RMPP header.                     540  * @rmpp_hdr: An RMPP header.
517  * @flags: The flags to set.                      541  * @flags: The flags to set.
518  */                                               542  */
519 static inline void ib_set_rmpp_flags(struct ib    543 static inline void ib_set_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr, u8 flags)
520 {                                                 544 {
521         rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr    545         rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr->rmpp_rtime_flags & 0xF8) |
522                                      (flags &     546                                      (flags & 0x7);
523 }                                                 547 }
524                                                   548 
525 struct ib_mad_agent;                              549 struct ib_mad_agent;
526 struct ib_mad_send_wc;                            550 struct ib_mad_send_wc;
527 struct ib_mad_recv_wc;                            551 struct ib_mad_recv_wc;
528                                                   552 
529 /**                                               553 /**
530  * ib_mad_send_handler - callback handler for     554  * ib_mad_send_handler - callback handler for a sent MAD.
531  * @mad_agent: MAD agent that sent the MAD.       555  * @mad_agent: MAD agent that sent the MAD.
532  * @mad_send_wc: Send work completion informat    556  * @mad_send_wc: Send work completion information on the sent MAD.
533  */                                               557  */
534 typedef void (*ib_mad_send_handler)(struct ib_    558 typedef void (*ib_mad_send_handler)(struct ib_mad_agent *mad_agent,
535                                     struct ib_    559                                     struct ib_mad_send_wc *mad_send_wc);
536                                                   560 
537 /**                                               561 /**
                                                   >> 562  * ib_mad_snoop_handler - Callback handler for snooping sent MADs.
                                                   >> 563  * @mad_agent: MAD agent that snooped the MAD.
                                                   >> 564  * @send_buf: send MAD data buffer.
                                                   >> 565  * @mad_send_wc: Work completion information on the sent MAD.  Valid
                                                   >> 566  *   only for snooping that occurs on a send completion.
                                                   >> 567  *
                                                   >> 568  * Clients snooping MADs should not modify data referenced by the @send_buf
                                                   >> 569  * or @mad_send_wc.
                                                   >> 570  */
                                                   >> 571 typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent,
                                                   >> 572                                      struct ib_mad_send_buf *send_buf,
                                                   >> 573                                      struct ib_mad_send_wc *mad_send_wc);
                                                   >> 574 
                                                   >> 575 /**
538  * ib_mad_recv_handler - callback handler for     576  * ib_mad_recv_handler - callback handler for a received MAD.
539  * @mad_agent: MAD agent requesting the receiv    577  * @mad_agent: MAD agent requesting the received MAD.
540  * @send_buf: Send buffer if found, else NULL     578  * @send_buf: Send buffer if found, else NULL
541  * @mad_recv_wc: Received work completion info    579  * @mad_recv_wc: Received work completion information on the received MAD.
542  *                                                580  *
543  * MADs received in response to a send request    581  * MADs received in response to a send request operation will be handed to
544  * the user before the send operation complete    582  * the user before the send operation completes.  All data buffers given
545  * to registered agents through this routine a    583  * to registered agents through this routine are owned by the receiving
546  * client.                                     !! 584  * client, except for snooping agents.  Clients snooping MADs should not
                                                   >> 585  * modify the data referenced by @mad_recv_wc.
547  */                                               586  */
548 typedef void (*ib_mad_recv_handler)(struct ib_    587 typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent,
549                                     struct ib_    588                                     struct ib_mad_send_buf *send_buf,
550                                     struct ib_    589                                     struct ib_mad_recv_wc *mad_recv_wc);
551                                                   590 
552 /**                                               591 /**
553  * ib_mad_agent - Used to track MAD registrati    592  * ib_mad_agent - Used to track MAD registration with the access layer.
554  * @device: Reference to device registration i    593  * @device: Reference to device registration is on.
555  * @qp: Reference to QP used for sending and r    594  * @qp: Reference to QP used for sending and receiving MADs.
556  * @mr: Memory region for system memory usable    595  * @mr: Memory region for system memory usable for DMA.
557  * @recv_handler: Callback handler for a recei    596  * @recv_handler: Callback handler for a received MAD.
558  * @send_handler: Callback handler for a sent     597  * @send_handler: Callback handler for a sent MAD.
                                                   >> 598  * @snoop_handler: Callback handler for snooped sent MADs.
559  * @context: User-specified context associated    599  * @context: User-specified context associated with this registration.
560  * @hi_tid: Access layer assigned transaction     600  * @hi_tid: Access layer assigned transaction ID for this client.
561  *   Unsolicited MADs sent by this client will    601  *   Unsolicited MADs sent by this client will have the upper 32-bits
562  *   of their TID set to this value.              602  *   of their TID set to this value.
563  * @flags: registration flags                     603  * @flags: registration flags
564  * @port_num: Port number on which QP is regis    604  * @port_num: Port number on which QP is registered
565  * @rmpp_version: If set, indicates the RMPP v    605  * @rmpp_version: If set, indicates the RMPP version used by this agent.
566  */                                               606  */
567 enum {                                            607 enum {
568         IB_MAD_USER_RMPP = IB_USER_MAD_USER_RM    608         IB_MAD_USER_RMPP = IB_USER_MAD_USER_RMPP,
569 };                                                609 };
570 struct ib_mad_agent {                             610 struct ib_mad_agent {
571         struct ib_device        *device;          611         struct ib_device        *device;
572         struct ib_qp            *qp;              612         struct ib_qp            *qp;
573         ib_mad_recv_handler     recv_handler;     613         ib_mad_recv_handler     recv_handler;
574         ib_mad_send_handler     send_handler;     614         ib_mad_send_handler     send_handler;
                                                   >> 615         ib_mad_snoop_handler    snoop_handler;
575         void                    *context;         616         void                    *context;
576         u32                     hi_tid;           617         u32                     hi_tid;
577         u32                     flags;            618         u32                     flags;
578         void                    *security;     << 
579         struct list_head        mad_agent_sec_ << 
580         u8                      port_num;         619         u8                      port_num;
581         u8                      rmpp_version;     620         u8                      rmpp_version;
                                                   >> 621         void                    *security;
582         bool                    smp_allowed;      622         bool                    smp_allowed;
                                                   >> 623         bool                    lsm_nb_reg;
                                                   >> 624         struct notifier_block   lsm_nb;
583 };                                                625 };
584                                                   626 
585 /**                                               627 /**
586  * ib_mad_send_wc - MAD send completion inform    628  * ib_mad_send_wc - MAD send completion information.
587  * @send_buf: Send MAD data buffer associated     629  * @send_buf: Send MAD data buffer associated with the send MAD request.
588  * @status: Completion status.                    630  * @status: Completion status.
589  * @vendor_err: Optional vendor error informat    631  * @vendor_err: Optional vendor error information returned with a failed
590  *   request.                                     632  *   request.
591  */                                               633  */
592 struct ib_mad_send_wc {                           634 struct ib_mad_send_wc {
593         struct ib_mad_send_buf  *send_buf;        635         struct ib_mad_send_buf  *send_buf;
594         enum ib_wc_status       status;           636         enum ib_wc_status       status;
595         u32                     vendor_err;       637         u32                     vendor_err;
596 };                                                638 };
597                                                   639 
598 /**                                               640 /**
599  * ib_mad_recv_buf - received MAD buffer infor    641  * ib_mad_recv_buf - received MAD buffer information.
600  * @list: Reference to next data buffer for a     642  * @list: Reference to next data buffer for a received RMPP MAD.
601  * @grh: References a data buffer containing t    643  * @grh: References a data buffer containing the global route header.
602  *   The data refereced by this buffer is only    644  *   The data refereced by this buffer is only valid if the GRH is
603  *   valid.                                       645  *   valid.
604  * @mad: References the start of the received     646  * @mad: References the start of the received MAD.
605  */                                               647  */
606 struct ib_mad_recv_buf {                          648 struct ib_mad_recv_buf {
607         struct list_head        list;             649         struct list_head        list;
608         struct ib_grh           *grh;             650         struct ib_grh           *grh;
609         union {                                   651         union {
610                 struct ib_mad   *mad;             652                 struct ib_mad   *mad;
611                 struct opa_mad  *opa_mad;         653                 struct opa_mad  *opa_mad;
612         };                                        654         };
613 };                                                655 };
614                                                   656 
615 /**                                               657 /**
616  * ib_mad_recv_wc - received MAD information.     658  * ib_mad_recv_wc - received MAD information.
617  * @wc: Completion information for the receive    659  * @wc: Completion information for the received data.
618  * @recv_buf: Specifies the location of the re    660  * @recv_buf: Specifies the location of the received data buffer(s).
619  * @rmpp_list: Specifies a list of RMPP reasse    661  * @rmpp_list: Specifies a list of RMPP reassembled received MAD buffers.
620  * @mad_len: The length of the received MAD, w    662  * @mad_len: The length of the received MAD, without duplicated headers.
621  * @mad_seg_size: The size of individual MAD s    663  * @mad_seg_size: The size of individual MAD segments
622  *                                                664  *
623  * For received response, the wr_id contains a    665  * For received response, the wr_id contains a pointer to the ib_mad_send_buf
624  *   for the corresponding send request.          666  *   for the corresponding send request.
625  */                                               667  */
626 struct ib_mad_recv_wc {                           668 struct ib_mad_recv_wc {
627         struct ib_wc            *wc;              669         struct ib_wc            *wc;
628         struct ib_mad_recv_buf  recv_buf;         670         struct ib_mad_recv_buf  recv_buf;
629         struct list_head        rmpp_list;        671         struct list_head        rmpp_list;
630         int                     mad_len;          672         int                     mad_len;
631         size_t                  mad_seg_size;     673         size_t                  mad_seg_size;
632 };                                                674 };
633                                                   675 
634 /**                                               676 /**
635  * ib_mad_reg_req - MAD registration request      677  * ib_mad_reg_req - MAD registration request
636  * @mgmt_class: Indicates which management cla    678  * @mgmt_class: Indicates which management class of MADs should be receive
637  *   by the caller.  This field is only requir    679  *   by the caller.  This field is only required if the user wishes to
638  *   receive unsolicited MADs, otherwise it sh    680  *   receive unsolicited MADs, otherwise it should be 0.
639  * @mgmt_class_version: Indicates which versio    681  * @mgmt_class_version: Indicates which version of MADs for the given
640  *   management class to receive.                 682  *   management class to receive.
641  * @oui: Indicates IEEE OUI when mgmt_class is    683  * @oui: Indicates IEEE OUI when mgmt_class is a vendor class
642  *   in the range from 0x30 to 0x4f. Otherwise    684  *   in the range from 0x30 to 0x4f. Otherwise not used.
643  * @method_mask: The caller will receive unsol    685  * @method_mask: The caller will receive unsolicited MADs for any method
644  *   where @method_mask = 1.                      686  *   where @method_mask = 1.
645  *                                                687  *
646  */                                               688  */
647 struct ib_mad_reg_req {                           689 struct ib_mad_reg_req {
648         u8      mgmt_class;                       690         u8      mgmt_class;
649         u8      mgmt_class_version;               691         u8      mgmt_class_version;
650         u8      oui[3];                           692         u8      oui[3];
651         DECLARE_BITMAP(method_mask, IB_MGMT_MA    693         DECLARE_BITMAP(method_mask, IB_MGMT_MAX_METHODS);
652 };                                                694 };
653                                                   695 
654 /**                                               696 /**
655  * ib_register_mad_agent - Register to send/re    697  * ib_register_mad_agent - Register to send/receive MADs.
656  * @device: The device to register with.          698  * @device: The device to register with.
657  * @port_num: The port on the specified device    699  * @port_num: The port on the specified device to use.
658  * @qp_type: Specifies which QP to access.  Mu    700  * @qp_type: Specifies which QP to access.  Must be either
659  *   IB_QPT_SMI or IB_QPT_GSI.                    701  *   IB_QPT_SMI or IB_QPT_GSI.
660  * @mad_reg_req: Specifies which unsolicited M    702  * @mad_reg_req: Specifies which unsolicited MADs should be received
661  *   by the caller.  This parameter may be NUL    703  *   by the caller.  This parameter may be NULL if the caller only
662  *   wishes to receive solicited responses.       704  *   wishes to receive solicited responses.
663  * @rmpp_version: If set, indicates that the c    705  * @rmpp_version: If set, indicates that the client will send
664  *   and receive MADs that contain the RMPP he    706  *   and receive MADs that contain the RMPP header for the given version.
665  *   If set to 0, indicates that RMPP is not u    707  *   If set to 0, indicates that RMPP is not used by this client.
666  * @send_handler: The completion callback rout    708  * @send_handler: The completion callback routine invoked after a send
667  *   request has completed.                       709  *   request has completed.
668  * @recv_handler: The completion callback rout    710  * @recv_handler: The completion callback routine invoked for a received
669  *   MAD.                                         711  *   MAD.
670  * @context: User specified context associated    712  * @context: User specified context associated with the registration.
671  * @registration_flags: Registration flags to     713  * @registration_flags: Registration flags to set for this agent
672  */                                               714  */
673 struct ib_mad_agent *ib_register_mad_agent(str    715 struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
674                                            u32 !! 716                                            u8 port_num,
675                                            enu    717                                            enum ib_qp_type qp_type,
676                                            str    718                                            struct ib_mad_reg_req *mad_reg_req,
677                                            u8     719                                            u8 rmpp_version,
678                                            ib_    720                                            ib_mad_send_handler send_handler,
679                                            ib_    721                                            ib_mad_recv_handler recv_handler,
680                                            voi    722                                            void *context,
681                                            u32    723                                            u32 registration_flags);
                                                   >> 724 
                                                   >> 725 enum ib_mad_snoop_flags {
                                                   >> 726         /*IB_MAD_SNOOP_POSTED_SENDS        = 1,*/
                                                   >> 727         /*IB_MAD_SNOOP_RMPP_SENDS          = (1<<1),*/
                                                   >> 728         IB_MAD_SNOOP_SEND_COMPLETIONS      = (1<<2),
                                                   >> 729         /*IB_MAD_SNOOP_RMPP_SEND_COMPLETIONS = (1<<3),*/
                                                   >> 730         IB_MAD_SNOOP_RECVS                 = (1<<4)
                                                   >> 731         /*IB_MAD_SNOOP_RMPP_RECVS          = (1<<5),*/
                                                   >> 732         /*IB_MAD_SNOOP_REDIRECTED_QPS      = (1<<6)*/
                                                   >> 733 };
                                                   >> 734 
                                                   >> 735 /**
                                                   >> 736  * ib_register_mad_snoop - Register to snoop sent and received MADs.
                                                   >> 737  * @device: The device to register with.
                                                   >> 738  * @port_num: The port on the specified device to use.
                                                   >> 739  * @qp_type: Specifies which QP traffic to snoop.  Must be either
                                                   >> 740  *   IB_QPT_SMI or IB_QPT_GSI.
                                                   >> 741  * @mad_snoop_flags: Specifies information where snooping occurs.
                                                   >> 742  * @send_handler: The callback routine invoked for a snooped send.
                                                   >> 743  * @recv_handler: The callback routine invoked for a snooped receive.
                                                   >> 744  * @context: User specified context associated with the registration.
                                                   >> 745  */
                                                   >> 746 struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
                                                   >> 747                                            u8 port_num,
                                                   >> 748                                            enum ib_qp_type qp_type,
                                                   >> 749                                            int mad_snoop_flags,
                                                   >> 750                                            ib_mad_snoop_handler snoop_handler,
                                                   >> 751                                            ib_mad_recv_handler recv_handler,
                                                   >> 752                                            void *context);
                                                   >> 753 
682 /**                                               754 /**
683  * ib_unregister_mad_agent - Unregisters a cli    755  * ib_unregister_mad_agent - Unregisters a client from using MAD services.
684  * @mad_agent: Corresponding MAD registration     756  * @mad_agent: Corresponding MAD registration request to deregister.
685  *                                                757  *
686  * After invoking this routine, MAD services a    758  * After invoking this routine, MAD services are no longer usable by the
687  * client on the associated QP.                   759  * client on the associated QP.
688  */                                               760  */
689 void ib_unregister_mad_agent(struct ib_mad_age    761 void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
690                                                   762 
691 /**                                               763 /**
692  * ib_post_send_mad - Posts MAD(s) to the send    764  * ib_post_send_mad - Posts MAD(s) to the send queue of the QP associated
693  *   with the registered client.                  765  *   with the registered client.
694  * @send_buf: Specifies the information needed    766  * @send_buf: Specifies the information needed to send the MAD(s).
695  * @bad_send_buf: Specifies the MAD on which a    767  * @bad_send_buf: Specifies the MAD on which an error was encountered.  This
696  *   parameter is optional if only a single MA    768  *   parameter is optional if only a single MAD is posted.
697  *                                                769  *
698  * Sent MADs are not guaranteed to complete in    770  * Sent MADs are not guaranteed to complete in the order that they were posted.
699  *                                                771  *
700  * If the MAD requires RMPP, the data buffer s    772  * If the MAD requires RMPP, the data buffer should contain a single copy
701  * of the common MAD, RMPP, and class specific    773  * of the common MAD, RMPP, and class specific headers, followed by the class
702  * defined data.  If the class defined data wo    774  * defined data.  If the class defined data would not divide evenly into
703  * RMPP segments, then space must be allocated    775  * RMPP segments, then space must be allocated at the end of the referenced
704  * buffer for any required padding.  To indica    776  * buffer for any required padding.  To indicate the amount of class defined
705  * data being transferred, the paylen_newwin f    777  * data being transferred, the paylen_newwin field in the RMPP header should
706  * be set to the size of the class specific he    778  * be set to the size of the class specific header plus the amount of class
707  * defined data being transferred.  The paylen    779  * defined data being transferred.  The paylen_newwin field should be
708  * specified in network-byte order.               780  * specified in network-byte order.
709  */                                               781  */
710 int ib_post_send_mad(struct ib_mad_send_buf *s    782 int ib_post_send_mad(struct ib_mad_send_buf *send_buf,
711                      struct ib_mad_send_buf **    783                      struct ib_mad_send_buf **bad_send_buf);
712                                                   784 
713                                                   785 
714 /**                                               786 /**
715  * ib_free_recv_mad - Returns data buffers use    787  * ib_free_recv_mad - Returns data buffers used to receive a MAD.
716  * @mad_recv_wc: Work completion information f    788  * @mad_recv_wc: Work completion information for a received MAD.
717  *                                                789  *
718  * Clients receiving MADs through their ib_mad    790  * Clients receiving MADs through their ib_mad_recv_handler must call this
719  * routine to return the work completion buffe    791  * routine to return the work completion buffers to the access layer.
720  */                                               792  */
721 void ib_free_recv_mad(struct ib_mad_recv_wc *m    793 void ib_free_recv_mad(struct ib_mad_recv_wc *mad_recv_wc);
722                                                   794 
723 /**                                               795 /**
                                                   >> 796  * ib_cancel_mad - Cancels an outstanding send MAD operation.
                                                   >> 797  * @mad_agent: Specifies the registration associated with sent MAD.
                                                   >> 798  * @send_buf: Indicates the MAD to cancel.
                                                   >> 799  *
                                                   >> 800  * MADs will be returned to the user through the corresponding
                                                   >> 801  * ib_mad_send_handler.
                                                   >> 802  */
                                                   >> 803 void ib_cancel_mad(struct ib_mad_agent *mad_agent,
                                                   >> 804                    struct ib_mad_send_buf *send_buf);
                                                   >> 805 
                                                   >> 806 /**
724  * ib_modify_mad - Modifies an outstanding sen    807  * ib_modify_mad - Modifies an outstanding send MAD operation.
                                                   >> 808  * @mad_agent: Specifies the registration associated with sent MAD.
725  * @send_buf: Indicates the MAD to modify.        809  * @send_buf: Indicates the MAD to modify.
726  * @timeout_ms: New timeout value for sent MAD    810  * @timeout_ms: New timeout value for sent MAD.
727  *                                                811  *
728  * This call will reset the timeout value for     812  * This call will reset the timeout value for a sent MAD to the specified
729  * value.                                         813  * value.
730  */                                               814  */
731 int ib_modify_mad(struct ib_mad_send_buf *send !! 815 int ib_modify_mad(struct ib_mad_agent *mad_agent,
                                                   >> 816                   struct ib_mad_send_buf *send_buf, u32 timeout_ms);
732                                                   817 
733 /**                                               818 /**
734  * ib_cancel_mad - Cancels an outstanding send !! 819  * ib_redirect_mad_qp - Registers a QP for MAD services.
735  * @send_buf: Indicates the MAD to cancel.     !! 820  * @qp: Reference to a QP that requires MAD services.
                                                   >> 821  * @rmpp_version: If set, indicates that the client will send
                                                   >> 822  *   and receive MADs that contain the RMPP header for the given version.
                                                   >> 823  *   If set to 0, indicates that RMPP is not used by this client.
                                                   >> 824  * @send_handler: The completion callback routine invoked after a send
                                                   >> 825  *   request has completed.
                                                   >> 826  * @recv_handler: The completion callback routine invoked for a received
                                                   >> 827  *   MAD.
                                                   >> 828  * @context: User specified context associated with the registration.
736  *                                                829  *
737  * MADs will be returned to the user through t !! 830  * Use of this call allows clients to use MAD services, such as RMPP,
738  * ib_mad_send_handler.                        !! 831  * on user-owned QPs.  After calling this routine, users may send
                                                   >> 832  * MADs on the specified QP by calling ib_mad_post_send.
                                                   >> 833  */
                                                   >> 834 struct ib_mad_agent *ib_redirect_mad_qp(struct ib_qp *qp,
                                                   >> 835                                         u8 rmpp_version,
                                                   >> 836                                         ib_mad_send_handler send_handler,
                                                   >> 837                                         ib_mad_recv_handler recv_handler,
                                                   >> 838                                         void *context);
                                                   >> 839 
                                                   >> 840 /**
                                                   >> 841  * ib_process_mad_wc - Processes a work completion associated with a
                                                   >> 842  *   MAD sent or received on a redirected QP.
                                                   >> 843  * @mad_agent: Specifies the registered MAD service using the redirected QP.
                                                   >> 844  * @wc: References a work completion associated with a sent or received
                                                   >> 845  *   MAD segment.
                                                   >> 846  *
                                                   >> 847  * This routine is used to complete or continue processing on a MAD request.
                                                   >> 848  * If the work completion is associated with a send operation, calling
                                                   >> 849  * this routine is required to continue an RMPP transfer or to wait for a
                                                   >> 850  * corresponding response, if it is a request.  If the work completion is
                                                   >> 851  * associated with a receive operation, calling this routine is required to
                                                   >> 852  * process an inbound or outbound RMPP transfer, or to match a response MAD
                                                   >> 853  * with its corresponding request.
739  */                                               854  */
740 static inline void ib_cancel_mad(struct ib_mad !! 855 int ib_process_mad_wc(struct ib_mad_agent *mad_agent,
741 {                                              !! 856                       struct ib_wc *wc);
742         ib_modify_mad(send_buf, 0);            << 
743 }                                              << 
744                                                   857 
745 /**                                               858 /**
746  * ib_create_send_mad - Allocate and initializ    859  * ib_create_send_mad - Allocate and initialize a data buffer and work request
747  *   for sending a MAD.                           860  *   for sending a MAD.
748  * @mad_agent: Specifies the registered MAD se    861  * @mad_agent: Specifies the registered MAD service to associate with the MAD.
749  * @remote_qpn: Specifies the QPN of the recei    862  * @remote_qpn: Specifies the QPN of the receiving node.
750  * @pkey_index: Specifies which PKey the MAD w    863  * @pkey_index: Specifies which PKey the MAD will be sent using.  This field
751  *   is valid only if the remote_qpn is QP 1.     864  *   is valid only if the remote_qpn is QP 1.
752  * @rmpp_active: Indicates if the send will en    865  * @rmpp_active: Indicates if the send will enable RMPP.
753  * @hdr_len: Indicates the size of the data he    866  * @hdr_len: Indicates the size of the data header of the MAD.  This length
754  *   should include the common MAD header, RMP    867  *   should include the common MAD header, RMPP header, plus any class
755  *   specific header.                             868  *   specific header.
756  * @data_len: Indicates the size of any user-t    869  * @data_len: Indicates the size of any user-transferred data.  The call will
757  *   automatically adjust the allocated buffer    870  *   automatically adjust the allocated buffer size to account for any
758  *   additional padding that may be necessary.    871  *   additional padding that may be necessary.
759  * @gfp_mask: GFP mask used for the memory all    872  * @gfp_mask: GFP mask used for the memory allocation.
760  * @base_version: Base Version of this MAD        873  * @base_version: Base Version of this MAD
761  *                                                874  *
762  * This routine allocates a MAD for sending.      875  * This routine allocates a MAD for sending.  The returned MAD send buffer
763  * will reference a data buffer usable for sen    876  * will reference a data buffer usable for sending a MAD, along
764  * with an initialized work request structure.    877  * with an initialized work request structure.  Users may modify the returned
765  * MAD data buffer before posting the send.       878  * MAD data buffer before posting the send.
766  *                                                879  *
767  * The returned MAD header, class specific hea    880  * The returned MAD header, class specific headers, and any padding will be
768  * cleared.  Users are responsible for initial    881  * cleared.  Users are responsible for initializing the common MAD header,
769  * any class specific header, and MAD data are    882  * any class specific header, and MAD data area.
770  * If @rmpp_active is set, the RMPP header wil    883  * If @rmpp_active is set, the RMPP header will be initialized for sending.
771  */                                               884  */
772 struct ib_mad_send_buf *ib_create_send_mad(str    885 struct ib_mad_send_buf *ib_create_send_mad(struct ib_mad_agent *mad_agent,
773                                            u32    886                                            u32 remote_qpn, u16 pkey_index,
774                                            int    887                                            int rmpp_active,
775                                            int    888                                            int hdr_len, int data_len,
776                                            gfp    889                                            gfp_t gfp_mask,
777                                            u8     890                                            u8 base_version);
778                                                   891 
779 /**                                               892 /**
780  * ib_is_mad_class_rmpp - returns whether give    893  * ib_is_mad_class_rmpp - returns whether given management class
781  * supports RMPP.                                 894  * supports RMPP.
782  * @mgmt_class: management class                  895  * @mgmt_class: management class
783  *                                                896  *
784  * This routine returns whether the management    897  * This routine returns whether the management class supports RMPP.
785  */                                               898  */
786 int ib_is_mad_class_rmpp(u8 mgmt_class);          899 int ib_is_mad_class_rmpp(u8 mgmt_class);
787                                                   900 
788 /**                                               901 /**
789  * ib_get_mad_data_offset - returns the data o    902  * ib_get_mad_data_offset - returns the data offset for a given
790  * management class.                              903  * management class.
791  * @mgmt_class: management class                  904  * @mgmt_class: management class
792  *                                                905  *
793  * This routine returns the data offset in the    906  * This routine returns the data offset in the MAD for the management
794  * class requested.                               907  * class requested.
795  */                                               908  */
796 int ib_get_mad_data_offset(u8 mgmt_class);        909 int ib_get_mad_data_offset(u8 mgmt_class);
797                                                   910 
798 /**                                               911 /**
799  * ib_get_rmpp_segment - returns the data buff    912  * ib_get_rmpp_segment - returns the data buffer for a given RMPP segment.
800  * @send_buf: Previously allocated send data b    913  * @send_buf: Previously allocated send data buffer.
801  * @seg_num: number of segment to return          914  * @seg_num: number of segment to return
802  *                                                915  *
803  * This routine returns a pointer to the data     916  * This routine returns a pointer to the data buffer of an RMPP MAD.
804  * Users must provide synchronization to @send    917  * Users must provide synchronization to @send_buf around this call.
805  */                                               918  */
806 void *ib_get_rmpp_segment(struct ib_mad_send_b    919 void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num);
807                                                   920 
808 /**                                               921 /**
809  * ib_free_send_mad - Returns data buffers use    922  * ib_free_send_mad - Returns data buffers used to send a MAD.
810  * @send_buf: Previously allocated send data b    923  * @send_buf: Previously allocated send data buffer.
811  */                                               924  */
812 void ib_free_send_mad(struct ib_mad_send_buf *    925 void ib_free_send_mad(struct ib_mad_send_buf *send_buf);
813                                                   926 
814 /**                                               927 /**
815  * ib_mad_kernel_rmpp_agent - Returns if the a    928  * ib_mad_kernel_rmpp_agent - Returns if the agent is performing RMPP.
816  * @agent: the agent in question                  929  * @agent: the agent in question
817  * @return: true if agent is performing rmpp,     930  * @return: true if agent is performing rmpp, false otherwise.
818  */                                               931  */
819 int ib_mad_kernel_rmpp_agent(const struct ib_m    932 int ib_mad_kernel_rmpp_agent(const struct ib_mad_agent *agent);
820                                                   933 
821 #endif /* IB_MAD_H */                             934 #endif /* IB_MAD_H */
822                                                   935 

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