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 */ <<
239 enum ib_port_capability_mask_bits { <<
240 IB_PORT_SM = 1 << 1, <<
241 IB_PORT_NOTICE_SUP = 1 << 2, <<
242 IB_PORT_TRAP_SUP = 1 << 3, <<
243 IB_PORT_OPT_IPD_SUP = 1 << 4, <<
244 IB_PORT_AUTO_MIGR_SUP = 1 << 5, <<
245 IB_PORT_SL_MAP_SUP = 1 << 6, <<
246 IB_PORT_MKEY_NVRAM = 1 << 7, <<
247 IB_PORT_PKEY_NVRAM = 1 << 8, <<
248 IB_PORT_LED_INFO_SUP = 1 << 9, <<
249 IB_PORT_SM_DISABLED = 1 << 10, <<
250 IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11, <<
251 IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 <<
252 IB_PORT_EXTENDED_SPEEDS_SUP = 1 << 14, <<
253 IB_PORT_CAP_MASK2_SUP = 1 << 15, <<
254 IB_PORT_CM_SUP = 1 << 16, <<
255 IB_PORT_SNMP_TUNNEL_SUP = 1 << 17, <<
256 IB_PORT_REINIT_SUP = 1 << 18, <<
257 IB_PORT_DEVICE_MGMT_SUP = 1 << 19, <<
258 IB_PORT_VENDOR_CLASS_SUP = 1 << 20, <<
259 IB_PORT_DR_NOTICE_SUP = 1 << 21, <<
260 IB_PORT_CAP_MASK_NOTICE_SUP = 1 << 22, <<
261 IB_PORT_BOOT_MGMT_SUP = 1 << 23, <<
262 IB_PORT_LINK_LATENCY_SUP = 1 << 24, <<
263 IB_PORT_CLIENT_REG_SUP = 1 << 25, <<
264 IB_PORT_OTHER_LOCAL_CHANGES_SUP = 1 << <<
265 IB_PORT_LINK_SPEED_WIDTH_TABLE_SUP = 1 <<
266 IB_PORT_VENDOR_SPECIFIC_MADS_TABLE_SUP <<
267 IB_PORT_MCAST_PKEY_TRAP_SUPPRESSION_SU <<
268 IB_PORT_MCAST_FDB_TOP_SUP = 1 << 30, <<
269 IB_PORT_HIERARCHY_INFO_SUP = 1ULL << 3 <<
270 }; <<
271 <<
272 enum ib_port_capability_mask2_bits { <<
273 IB_PORT_SET_NODE_DESC_SUP <<
274 IB_PORT_EX_PORT_INFO_EX_SUP <<
275 IB_PORT_VIRT_SUP <<
276 IB_PORT_SWITCH_PORT_STATE_TABLE_SUP <<
277 IB_PORT_LINK_WIDTH_2X_SUP <<
278 IB_PORT_LINK_SPEED_HDR_SUP <<
279 IB_PORT_LINK_SPEED_NDR_SUP <<
280 IB_PORT_EXTENDED_SPEEDS2_SUP <<
281 IB_PORT_LINK_SPEED_XDR_SUP <<
282 }; <<
283 <<
284 #define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26) 265 #define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)
285 266
286 struct opa_class_port_info { 267 struct opa_class_port_info {
287 u8 base_version; 268 u8 base_version;
288 u8 class_version; 269 u8 class_version;
289 __be16 cap_mask; 270 __be16 cap_mask;
290 __be32 cap_mask2_resp_time; 271 __be32 cap_mask2_resp_time;
291 272
292 u8 redirect_gid[16]; 273 u8 redirect_gid[16];
293 __be32 redirect_tc_fl; 274 __be32 redirect_tc_fl;
294 __be32 redirect_lid; 275 __be32 redirect_lid;
295 __be32 redirect_sl_qp; 276 __be32 redirect_sl_qp;
296 __be32 redirect_qkey; 277 __be32 redirect_qkey;
297 278
298 u8 trap_gid[16]; 279 u8 trap_gid[16];
299 __be32 trap_tc_fl; 280 __be32 trap_tc_fl;
300 __be32 trap_lid; 281 __be32 trap_lid;
301 __be32 trap_hl_qp; 282 __be32 trap_hl_qp;
302 __be32 trap_qkey; 283 __be32 trap_qkey;
303 284
304 __be16 trap_pkey; 285 __be16 trap_pkey;
305 __be16 redirect_pkey; 286 __be16 redirect_pkey;
306 287
307 u8 trap_sl_rsvd; 288 u8 trap_sl_rsvd;
308 u8 reserved[3]; 289 u8 reserved[3];
309 } __packed; 290 } __packed;
310 291
311 /** 292 /**
312 * ib_get_cpi_resp_time - Returns the resp_tim 293 * ib_get_cpi_resp_time - Returns the resp_time value from
313 * cap_mask2_resp_time in ib_class_port_info. 294 * cap_mask2_resp_time in ib_class_port_info.
314 * @cpi: A struct ib_class_port_info mad. 295 * @cpi: A struct ib_class_port_info mad.
315 */ 296 */
316 static inline u8 ib_get_cpi_resp_time(struct i 297 static inline u8 ib_get_cpi_resp_time(struct ib_class_port_info *cpi)
317 { 298 {
318 return (u8)(be32_to_cpu(cpi->cap_mask2 299 return (u8)(be32_to_cpu(cpi->cap_mask2_resp_time) &
319 IB_CLASS_PORT_INFO_RESP_TI 300 IB_CLASS_PORT_INFO_RESP_TIME_MASK);
320 } 301 }
321 302
322 /** 303 /**
323 * ib_set_cpi_resptime - Sets the response tim 304 * ib_set_cpi_resptime - Sets the response time in an
324 * ib_class_port_info mad. 305 * ib_class_port_info mad.
325 * @cpi: A struct ib_class_port_info. 306 * @cpi: A struct ib_class_port_info.
326 * @rtime: The response time to set. 307 * @rtime: The response time to set.
327 */ 308 */
328 static inline void ib_set_cpi_resp_time(struct 309 static inline void ib_set_cpi_resp_time(struct ib_class_port_info *cpi,
329 u8 rti 310 u8 rtime)
330 { 311 {
331 cpi->cap_mask2_resp_time = 312 cpi->cap_mask2_resp_time =
332 (cpi->cap_mask2_resp_time & 313 (cpi->cap_mask2_resp_time &
333 cpu_to_be32(~IB_CLASS_PORT_IN 314 cpu_to_be32(~IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
334 cpu_to_be32(rtime & IB_CLASS_P 315 cpu_to_be32(rtime & IB_CLASS_PORT_INFO_RESP_TIME_MASK);
335 } 316 }
336 317
337 /** 318 /**
338 * ib_get_cpi_capmask2 - Returns the capmask2 319 * ib_get_cpi_capmask2 - Returns the capmask2 value from
339 * cap_mask2_resp_time in ib_class_port_info. 320 * cap_mask2_resp_time in ib_class_port_info.
340 * @cpi: A struct ib_class_port_info mad. 321 * @cpi: A struct ib_class_port_info mad.
341 */ 322 */
342 static inline u32 ib_get_cpi_capmask2(struct i 323 static inline u32 ib_get_cpi_capmask2(struct ib_class_port_info *cpi)
343 { 324 {
344 return (be32_to_cpu(cpi->cap_mask2_res 325 return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
345 IB_CLASS_PORT_INFO_RESP_TIME_F 326 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
346 } 327 }
347 328
348 /** 329 /**
349 * ib_set_cpi_capmask2 - Sets the capmask2 in 330 * ib_set_cpi_capmask2 - Sets the capmask2 in an
350 * ib_class_port_info mad. 331 * ib_class_port_info mad.
351 * @cpi: A struct ib_class_port_info. 332 * @cpi: A struct ib_class_port_info.
352 * @capmask2: The capmask2 to set. 333 * @capmask2: The capmask2 to set.
353 */ 334 */
354 static inline void ib_set_cpi_capmask2(struct 335 static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi,
355 u32 cap 336 u32 capmask2)
356 { 337 {
357 cpi->cap_mask2_resp_time = 338 cpi->cap_mask2_resp_time =
358 (cpi->cap_mask2_resp_time & 339 (cpi->cap_mask2_resp_time &
359 cpu_to_be32(IB_CLASS_PORT_INF 340 cpu_to_be32(IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
360 cpu_to_be32(capmask2 << 341 cpu_to_be32(capmask2 <<
361 IB_CLASS_PORT_INFO 342 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
362 } 343 }
363 344
364 /** 345 /**
365 * opa_get_cpi_capmask2 - Returns the capmask2 346 * opa_get_cpi_capmask2 - Returns the capmask2 value from
366 * cap_mask2_resp_time in ib_class_port_info. 347 * cap_mask2_resp_time in ib_class_port_info.
367 * @cpi: A struct opa_class_port_info mad. 348 * @cpi: A struct opa_class_port_info mad.
368 */ 349 */
369 static inline u32 opa_get_cpi_capmask2(struct 350 static inline u32 opa_get_cpi_capmask2(struct opa_class_port_info *cpi)
370 { 351 {
371 return (be32_to_cpu(cpi->cap_mask2_res 352 return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
372 IB_CLASS_PORT_INFO_RESP_TIME_F 353 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
373 } 354 }
374 355
375 struct ib_mad_notice_attr { 356 struct ib_mad_notice_attr {
376 u8 generic_type; 357 u8 generic_type;
377 u8 prod_type_msb; 358 u8 prod_type_msb;
378 __be16 prod_type_lsb; 359 __be16 prod_type_lsb;
379 __be16 trap_num; 360 __be16 trap_num;
380 __be16 issuer_lid; 361 __be16 issuer_lid;
381 __be16 toggle_count; 362 __be16 toggle_count;
382 363
383 union { 364 union {
384 struct { 365 struct {
385 u8 details[54]; 366 u8 details[54];
386 } raw_data; 367 } raw_data;
387 368
388 struct { 369 struct {
389 __be16 reserved; 370 __be16 reserved;
390 __be16 lid; 371 __be16 lid; /* where violation happened */
391 u8 port_num; 372 u8 port_num; /* where violation happened */
392 } __packed ntc_129_131; 373 } __packed ntc_129_131;
393 374
394 struct { 375 struct {
395 __be16 reserved; 376 __be16 reserved;
396 __be16 lid; 377 __be16 lid; /* LID where change occurred */
397 u8 reserved2; 378 u8 reserved2;
398 u8 local_changes; 379 u8 local_changes; /* low bit - local changes */
399 __be32 new_cap_mask; 380 __be32 new_cap_mask; /* new capability mask */
400 u8 reserved3; 381 u8 reserved3;
401 u8 change_flags; 382 u8 change_flags; /* low 3 bits only */
402 } __packed ntc_144; 383 } __packed ntc_144;
403 384
404 struct { 385 struct {
405 __be16 reserved; 386 __be16 reserved;
406 __be16 lid; 387 __be16 lid; /* lid where sys guid changed */
407 __be16 reserved2; 388 __be16 reserved2;
408 __be64 new_sys_guid; 389 __be64 new_sys_guid;
409 } __packed ntc_145; 390 } __packed ntc_145;
410 391
411 struct { 392 struct {
412 __be16 reserved; 393 __be16 reserved;
413 __be16 lid; 394 __be16 lid;
414 __be16 dr_slid; 395 __be16 dr_slid;
415 u8 method; 396 u8 method;
416 u8 reserved2; 397 u8 reserved2;
417 __be16 attr_id; 398 __be16 attr_id;
418 __be32 attr_mod; 399 __be32 attr_mod;
419 __be64 mkey; 400 __be64 mkey;
420 u8 reserved3; 401 u8 reserved3;
421 u8 dr_trunc_hop; 402 u8 dr_trunc_hop;
422 u8 dr_rtn_path[30 403 u8 dr_rtn_path[30];
423 } __packed ntc_256; 404 } __packed ntc_256;
424 405
425 struct { 406 struct {
426 __be16 reserv 407 __be16 reserved;
427 __be16 lid1; 408 __be16 lid1;
428 __be16 lid2; 409 __be16 lid2;
429 __be32 key; 410 __be32 key;
430 __be32 sl_qp1 411 __be32 sl_qp1; /* SL: high 4 bits */
431 __be32 qp2; 412 __be32 qp2; /* high 8 bits reserved */
432 union ib_gid gid1; 413 union ib_gid gid1;
433 union ib_gid gid2; 414 union ib_gid gid2;
434 } __packed ntc_257_258; 415 } __packed ntc_257_258;
435 416
436 } details; 417 } details;
437 }; 418 };
438 419
439 /** 420 /**
440 * ib_mad_send_buf - MAD data buffer and work 421 * ib_mad_send_buf - MAD data buffer and work request for sends.
441 * @next: A pointer used to chain together MAD 422 * @next: A pointer used to chain together MADs for posting.
442 * @mad: References an allocated MAD data buff 423 * @mad: References an allocated MAD data buffer for MADs that do not have
443 * RMPP active. For MADs using RMPP, refere 424 * RMPP active. For MADs using RMPP, references the common and management
444 * class specific headers. 425 * class specific headers.
445 * @mad_agent: MAD agent that allocated the bu 426 * @mad_agent: MAD agent that allocated the buffer.
446 * @ah: The address handle to use when sending 427 * @ah: The address handle to use when sending the MAD.
447 * @context: User-controlled context fields. 428 * @context: User-controlled context fields.
448 * @hdr_len: Indicates the size of the data he 429 * @hdr_len: Indicates the size of the data header of the MAD. This length
449 * includes the common MAD, RMPP, and class 430 * includes the common MAD, RMPP, and class specific headers.
450 * @data_len: Indicates the total size of user 431 * @data_len: Indicates the total size of user-transferred data.
451 * @seg_count: The number of RMPP segments all 432 * @seg_count: The number of RMPP segments allocated for this send.
452 * @seg_size: Size of the data in each RMPP se 433 * @seg_size: Size of the data in each RMPP segment. This does not include
453 * class specific headers. 434 * class specific headers.
454 * @seg_rmpp_size: Size of each RMPP segment i 435 * @seg_rmpp_size: Size of each RMPP segment including the class specific
455 * headers. 436 * headers.
456 * @timeout_ms: Time to wait for a response. 437 * @timeout_ms: Time to wait for a response.
457 * @retries: Number of times to retry a reques 438 * @retries: Number of times to retry a request for a response. For MADs
458 * using RMPP, this applies per window. On 439 * using RMPP, this applies per window. On completion, returns the number
459 * of retries needed to complete the transfe 440 * of retries needed to complete the transfer.
460 * 441 *
461 * Users are responsible for initializing the 442 * Users are responsible for initializing the MAD buffer itself, with the
462 * exception of any RMPP header. Additional s 443 * exception of any RMPP header. Additional segment buffer space allocated
463 * beyond data_len is padding. 444 * beyond data_len is padding.
464 */ 445 */
465 struct ib_mad_send_buf { 446 struct ib_mad_send_buf {
466 struct ib_mad_send_buf *next; 447 struct ib_mad_send_buf *next;
467 void *mad; 448 void *mad;
468 struct ib_mad_agent *mad_agent; 449 struct ib_mad_agent *mad_agent;
469 struct ib_ah *ah; 450 struct ib_ah *ah;
470 void *context[2]; 451 void *context[2];
471 int hdr_len; 452 int hdr_len;
472 int data_len; 453 int data_len;
473 int seg_count; 454 int seg_count;
474 int seg_size; 455 int seg_size;
475 int seg_rmpp_size; 456 int seg_rmpp_size;
476 int timeout_ms; 457 int timeout_ms;
477 int retries; 458 int retries;
478 }; 459 };
479 460
480 /** 461 /**
481 * ib_response_mad - Returns if the specified 462 * ib_response_mad - Returns if the specified MAD has been generated in
482 * response to a sent request or trap. 463 * response to a sent request or trap.
483 */ 464 */
484 int ib_response_mad(const struct ib_mad_hdr *h 465 int ib_response_mad(const struct ib_mad_hdr *hdr);
485 466
486 /** 467 /**
487 * ib_get_rmpp_resptime - Returns the RMPP res 468 * ib_get_rmpp_resptime - Returns the RMPP response time.
488 * @rmpp_hdr: An RMPP header. 469 * @rmpp_hdr: An RMPP header.
489 */ 470 */
490 static inline u8 ib_get_rmpp_resptime(struct i 471 static inline u8 ib_get_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr)
491 { 472 {
492 return rmpp_hdr->rmpp_rtime_flags >> 3 473 return rmpp_hdr->rmpp_rtime_flags >> 3;
493 } 474 }
494 475
495 /** 476 /**
496 * ib_get_rmpp_flags - Returns the RMPP flags. 477 * ib_get_rmpp_flags - Returns the RMPP flags.
497 * @rmpp_hdr: An RMPP header. 478 * @rmpp_hdr: An RMPP header.
498 */ 479 */
499 static inline u8 ib_get_rmpp_flags(struct ib_r 480 static inline u8 ib_get_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr)
500 { 481 {
501 return rmpp_hdr->rmpp_rtime_flags & 0x 482 return rmpp_hdr->rmpp_rtime_flags & 0x7;
502 } 483 }
503 484
504 /** 485 /**
505 * ib_set_rmpp_resptime - Sets the response ti 486 * ib_set_rmpp_resptime - Sets the response time in an RMPP header.
506 * @rmpp_hdr: An RMPP header. 487 * @rmpp_hdr: An RMPP header.
507 * @rtime: The response time to set. 488 * @rtime: The response time to set.
508 */ 489 */
509 static inline void ib_set_rmpp_resptime(struct 490 static inline void ib_set_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr, u8 rtime)
510 { 491 {
511 rmpp_hdr->rmpp_rtime_flags = ib_get_rm 492 rmpp_hdr->rmpp_rtime_flags = ib_get_rmpp_flags(rmpp_hdr) | (rtime << 3);
512 } 493 }
513 494
514 /** 495 /**
515 * ib_set_rmpp_flags - Sets the flags in an RM 496 * ib_set_rmpp_flags - Sets the flags in an RMPP header.
516 * @rmpp_hdr: An RMPP header. 497 * @rmpp_hdr: An RMPP header.
517 * @flags: The flags to set. 498 * @flags: The flags to set.
518 */ 499 */
519 static inline void ib_set_rmpp_flags(struct ib 500 static inline void ib_set_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr, u8 flags)
520 { 501 {
521 rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr 502 rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr->rmpp_rtime_flags & 0xF8) |
522 (flags & 503 (flags & 0x7);
523 } 504 }
524 505
525 struct ib_mad_agent; 506 struct ib_mad_agent;
526 struct ib_mad_send_wc; 507 struct ib_mad_send_wc;
527 struct ib_mad_recv_wc; 508 struct ib_mad_recv_wc;
528 509
529 /** 510 /**
530 * ib_mad_send_handler - callback handler for 511 * ib_mad_send_handler - callback handler for a sent MAD.
531 * @mad_agent: MAD agent that sent the MAD. 512 * @mad_agent: MAD agent that sent the MAD.
532 * @mad_send_wc: Send work completion informat 513 * @mad_send_wc: Send work completion information on the sent MAD.
533 */ 514 */
534 typedef void (*ib_mad_send_handler)(struct ib_ 515 typedef void (*ib_mad_send_handler)(struct ib_mad_agent *mad_agent,
535 struct ib_ 516 struct ib_mad_send_wc *mad_send_wc);
536 517
537 /** 518 /**
>> 519 * ib_mad_snoop_handler - Callback handler for snooping sent MADs.
>> 520 * @mad_agent: MAD agent that snooped the MAD.
>> 521 * @send_buf: send MAD data buffer.
>> 522 * @mad_send_wc: Work completion information on the sent MAD. Valid
>> 523 * only for snooping that occurs on a send completion.
>> 524 *
>> 525 * Clients snooping MADs should not modify data referenced by the @send_buf
>> 526 * or @mad_send_wc.
>> 527 */
>> 528 typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent,
>> 529 struct ib_mad_send_buf *send_buf,
>> 530 struct ib_mad_send_wc *mad_send_wc);
>> 531
>> 532 /**
538 * ib_mad_recv_handler - callback handler for 533 * ib_mad_recv_handler - callback handler for a received MAD.
539 * @mad_agent: MAD agent requesting the receiv 534 * @mad_agent: MAD agent requesting the received MAD.
540 * @send_buf: Send buffer if found, else NULL 535 * @send_buf: Send buffer if found, else NULL
541 * @mad_recv_wc: Received work completion info 536 * @mad_recv_wc: Received work completion information on the received MAD.
542 * 537 *
543 * MADs received in response to a send request 538 * MADs received in response to a send request operation will be handed to
544 * the user before the send operation complete 539 * the user before the send operation completes. All data buffers given
545 * to registered agents through this routine a 540 * to registered agents through this routine are owned by the receiving
546 * client. !! 541 * client, except for snooping agents. Clients snooping MADs should not
>> 542 * modify the data referenced by @mad_recv_wc.
547 */ 543 */
548 typedef void (*ib_mad_recv_handler)(struct ib_ 544 typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent,
549 struct ib_ 545 struct ib_mad_send_buf *send_buf,
550 struct ib_ 546 struct ib_mad_recv_wc *mad_recv_wc);
551 547
552 /** 548 /**
553 * ib_mad_agent - Used to track MAD registrati 549 * ib_mad_agent - Used to track MAD registration with the access layer.
554 * @device: Reference to device registration i 550 * @device: Reference to device registration is on.
555 * @qp: Reference to QP used for sending and r 551 * @qp: Reference to QP used for sending and receiving MADs.
556 * @mr: Memory region for system memory usable 552 * @mr: Memory region for system memory usable for DMA.
557 * @recv_handler: Callback handler for a recei 553 * @recv_handler: Callback handler for a received MAD.
558 * @send_handler: Callback handler for a sent 554 * @send_handler: Callback handler for a sent MAD.
>> 555 * @snoop_handler: Callback handler for snooped sent MADs.
559 * @context: User-specified context associated 556 * @context: User-specified context associated with this registration.
560 * @hi_tid: Access layer assigned transaction 557 * @hi_tid: Access layer assigned transaction ID for this client.
561 * Unsolicited MADs sent by this client will 558 * Unsolicited MADs sent by this client will have the upper 32-bits
562 * of their TID set to this value. 559 * of their TID set to this value.
563 * @flags: registration flags 560 * @flags: registration flags
564 * @port_num: Port number on which QP is regis 561 * @port_num: Port number on which QP is registered
565 * @rmpp_version: If set, indicates the RMPP v 562 * @rmpp_version: If set, indicates the RMPP version used by this agent.
566 */ 563 */
567 enum { 564 enum {
568 IB_MAD_USER_RMPP = IB_USER_MAD_USER_RM 565 IB_MAD_USER_RMPP = IB_USER_MAD_USER_RMPP,
569 }; 566 };
570 struct ib_mad_agent { 567 struct ib_mad_agent {
571 struct ib_device *device; 568 struct ib_device *device;
572 struct ib_qp *qp; 569 struct ib_qp *qp;
573 ib_mad_recv_handler recv_handler; 570 ib_mad_recv_handler recv_handler;
574 ib_mad_send_handler send_handler; 571 ib_mad_send_handler send_handler;
>> 572 ib_mad_snoop_handler snoop_handler;
575 void *context; 573 void *context;
576 u32 hi_tid; 574 u32 hi_tid;
577 u32 flags; 575 u32 flags;
578 void *security; <<
579 struct list_head mad_agent_sec_ <<
580 u8 port_num; 576 u8 port_num;
581 u8 rmpp_version; 577 u8 rmpp_version;
>> 578 void *security;
582 bool smp_allowed; 579 bool smp_allowed;
>> 580 bool lsm_nb_reg;
>> 581 struct notifier_block lsm_nb;
583 }; 582 };
584 583
585 /** 584 /**
586 * ib_mad_send_wc - MAD send completion inform 585 * ib_mad_send_wc - MAD send completion information.
587 * @send_buf: Send MAD data buffer associated 586 * @send_buf: Send MAD data buffer associated with the send MAD request.
588 * @status: Completion status. 587 * @status: Completion status.
589 * @vendor_err: Optional vendor error informat 588 * @vendor_err: Optional vendor error information returned with a failed
590 * request. 589 * request.
591 */ 590 */
592 struct ib_mad_send_wc { 591 struct ib_mad_send_wc {
593 struct ib_mad_send_buf *send_buf; 592 struct ib_mad_send_buf *send_buf;
594 enum ib_wc_status status; 593 enum ib_wc_status status;
595 u32 vendor_err; 594 u32 vendor_err;
596 }; 595 };
597 596
598 /** 597 /**
599 * ib_mad_recv_buf - received MAD buffer infor 598 * ib_mad_recv_buf - received MAD buffer information.
600 * @list: Reference to next data buffer for a 599 * @list: Reference to next data buffer for a received RMPP MAD.
601 * @grh: References a data buffer containing t 600 * @grh: References a data buffer containing the global route header.
602 * The data refereced by this buffer is only 601 * The data refereced by this buffer is only valid if the GRH is
603 * valid. 602 * valid.
604 * @mad: References the start of the received 603 * @mad: References the start of the received MAD.
605 */ 604 */
606 struct ib_mad_recv_buf { 605 struct ib_mad_recv_buf {
607 struct list_head list; 606 struct list_head list;
608 struct ib_grh *grh; 607 struct ib_grh *grh;
609 union { 608 union {
610 struct ib_mad *mad; 609 struct ib_mad *mad;
611 struct opa_mad *opa_mad; 610 struct opa_mad *opa_mad;
612 }; 611 };
613 }; 612 };
614 613
615 /** 614 /**
616 * ib_mad_recv_wc - received MAD information. 615 * ib_mad_recv_wc - received MAD information.
617 * @wc: Completion information for the receive 616 * @wc: Completion information for the received data.
618 * @recv_buf: Specifies the location of the re 617 * @recv_buf: Specifies the location of the received data buffer(s).
619 * @rmpp_list: Specifies a list of RMPP reasse 618 * @rmpp_list: Specifies a list of RMPP reassembled received MAD buffers.
620 * @mad_len: The length of the received MAD, w 619 * @mad_len: The length of the received MAD, without duplicated headers.
621 * @mad_seg_size: The size of individual MAD s 620 * @mad_seg_size: The size of individual MAD segments
622 * 621 *
623 * For received response, the wr_id contains a 622 * For received response, the wr_id contains a pointer to the ib_mad_send_buf
624 * for the corresponding send request. 623 * for the corresponding send request.
625 */ 624 */
626 struct ib_mad_recv_wc { 625 struct ib_mad_recv_wc {
627 struct ib_wc *wc; 626 struct ib_wc *wc;
628 struct ib_mad_recv_buf recv_buf; 627 struct ib_mad_recv_buf recv_buf;
629 struct list_head rmpp_list; 628 struct list_head rmpp_list;
630 int mad_len; 629 int mad_len;
631 size_t mad_seg_size; 630 size_t mad_seg_size;
632 }; 631 };
633 632
634 /** 633 /**
635 * ib_mad_reg_req - MAD registration request 634 * ib_mad_reg_req - MAD registration request
636 * @mgmt_class: Indicates which management cla 635 * @mgmt_class: Indicates which management class of MADs should be receive
637 * by the caller. This field is only requir 636 * by the caller. This field is only required if the user wishes to
638 * receive unsolicited MADs, otherwise it sh 637 * receive unsolicited MADs, otherwise it should be 0.
639 * @mgmt_class_version: Indicates which versio 638 * @mgmt_class_version: Indicates which version of MADs for the given
640 * management class to receive. 639 * management class to receive.
641 * @oui: Indicates IEEE OUI when mgmt_class is 640 * @oui: Indicates IEEE OUI when mgmt_class is a vendor class
642 * in the range from 0x30 to 0x4f. Otherwise 641 * in the range from 0x30 to 0x4f. Otherwise not used.
643 * @method_mask: The caller will receive unsol 642 * @method_mask: The caller will receive unsolicited MADs for any method
644 * where @method_mask = 1. 643 * where @method_mask = 1.
645 * 644 *
646 */ 645 */
647 struct ib_mad_reg_req { 646 struct ib_mad_reg_req {
648 u8 mgmt_class; 647 u8 mgmt_class;
649 u8 mgmt_class_version; 648 u8 mgmt_class_version;
650 u8 oui[3]; 649 u8 oui[3];
651 DECLARE_BITMAP(method_mask, IB_MGMT_MA 650 DECLARE_BITMAP(method_mask, IB_MGMT_MAX_METHODS);
652 }; 651 };
653 652
654 /** 653 /**
655 * ib_register_mad_agent - Register to send/re 654 * ib_register_mad_agent - Register to send/receive MADs.
656 * @device: The device to register with. 655 * @device: The device to register with.
657 * @port_num: The port on the specified device 656 * @port_num: The port on the specified device to use.
658 * @qp_type: Specifies which QP to access. Mu 657 * @qp_type: Specifies which QP to access. Must be either
659 * IB_QPT_SMI or IB_QPT_GSI. 658 * IB_QPT_SMI or IB_QPT_GSI.
660 * @mad_reg_req: Specifies which unsolicited M 659 * @mad_reg_req: Specifies which unsolicited MADs should be received
661 * by the caller. This parameter may be NUL 660 * by the caller. This parameter may be NULL if the caller only
662 * wishes to receive solicited responses. 661 * wishes to receive solicited responses.
663 * @rmpp_version: If set, indicates that the c 662 * @rmpp_version: If set, indicates that the client will send
664 * and receive MADs that contain the RMPP he 663 * and receive MADs that contain the RMPP header for the given version.
665 * If set to 0, indicates that RMPP is not u 664 * If set to 0, indicates that RMPP is not used by this client.
666 * @send_handler: The completion callback rout 665 * @send_handler: The completion callback routine invoked after a send
667 * request has completed. 666 * request has completed.
668 * @recv_handler: The completion callback rout 667 * @recv_handler: The completion callback routine invoked for a received
669 * MAD. 668 * MAD.
670 * @context: User specified context associated 669 * @context: User specified context associated with the registration.
671 * @registration_flags: Registration flags to 670 * @registration_flags: Registration flags to set for this agent
672 */ 671 */
673 struct ib_mad_agent *ib_register_mad_agent(str 672 struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
674 u32 !! 673 u8 port_num,
675 enu 674 enum ib_qp_type qp_type,
676 str 675 struct ib_mad_reg_req *mad_reg_req,
677 u8 676 u8 rmpp_version,
678 ib_ 677 ib_mad_send_handler send_handler,
679 ib_ 678 ib_mad_recv_handler recv_handler,
680 voi 679 void *context,
681 u32 680 u32 registration_flags);
>> 681
>> 682 enum ib_mad_snoop_flags {
>> 683 /*IB_MAD_SNOOP_POSTED_SENDS = 1,*/
>> 684 /*IB_MAD_SNOOP_RMPP_SENDS = (1<<1),*/
>> 685 IB_MAD_SNOOP_SEND_COMPLETIONS = (1<<2),
>> 686 /*IB_MAD_SNOOP_RMPP_SEND_COMPLETIONS = (1<<3),*/
>> 687 IB_MAD_SNOOP_RECVS = (1<<4)
>> 688 /*IB_MAD_SNOOP_RMPP_RECVS = (1<<5),*/
>> 689 /*IB_MAD_SNOOP_REDIRECTED_QPS = (1<<6)*/
>> 690 };
>> 691
>> 692 /**
>> 693 * ib_register_mad_snoop - Register to snoop sent and received MADs.
>> 694 * @device: The device to register with.
>> 695 * @port_num: The port on the specified device to use.
>> 696 * @qp_type: Specifies which QP traffic to snoop. Must be either
>> 697 * IB_QPT_SMI or IB_QPT_GSI.
>> 698 * @mad_snoop_flags: Specifies information where snooping occurs.
>> 699 * @send_handler: The callback routine invoked for a snooped send.
>> 700 * @recv_handler: The callback routine invoked for a snooped receive.
>> 701 * @context: User specified context associated with the registration.
>> 702 */
>> 703 struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
>> 704 u8 port_num,
>> 705 enum ib_qp_type qp_type,
>> 706 int mad_snoop_flags,
>> 707 ib_mad_snoop_handler snoop_handler,
>> 708 ib_mad_recv_handler recv_handler,
>> 709 void *context);
>> 710
682 /** 711 /**
683 * ib_unregister_mad_agent - Unregisters a cli 712 * ib_unregister_mad_agent - Unregisters a client from using MAD services.
684 * @mad_agent: Corresponding MAD registration 713 * @mad_agent: Corresponding MAD registration request to deregister.
685 * 714 *
686 * After invoking this routine, MAD services a 715 * After invoking this routine, MAD services are no longer usable by the
687 * client on the associated QP. 716 * client on the associated QP.
688 */ 717 */
689 void ib_unregister_mad_agent(struct ib_mad_age 718 void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
690 719
691 /** 720 /**
692 * ib_post_send_mad - Posts MAD(s) to the send 721 * ib_post_send_mad - Posts MAD(s) to the send queue of the QP associated
693 * with the registered client. 722 * with the registered client.
694 * @send_buf: Specifies the information needed 723 * @send_buf: Specifies the information needed to send the MAD(s).
695 * @bad_send_buf: Specifies the MAD on which a 724 * @bad_send_buf: Specifies the MAD on which an error was encountered. This
696 * parameter is optional if only a single MA 725 * parameter is optional if only a single MAD is posted.
697 * 726 *
698 * Sent MADs are not guaranteed to complete in 727 * Sent MADs are not guaranteed to complete in the order that they were posted.
699 * 728 *
700 * If the MAD requires RMPP, the data buffer s 729 * If the MAD requires RMPP, the data buffer should contain a single copy
701 * of the common MAD, RMPP, and class specific 730 * of the common MAD, RMPP, and class specific headers, followed by the class
702 * defined data. If the class defined data wo 731 * defined data. If the class defined data would not divide evenly into
703 * RMPP segments, then space must be allocated 732 * RMPP segments, then space must be allocated at the end of the referenced
704 * buffer for any required padding. To indica 733 * buffer for any required padding. To indicate the amount of class defined
705 * data being transferred, the paylen_newwin f 734 * data being transferred, the paylen_newwin field in the RMPP header should
706 * be set to the size of the class specific he 735 * be set to the size of the class specific header plus the amount of class
707 * defined data being transferred. The paylen 736 * defined data being transferred. The paylen_newwin field should be
708 * specified in network-byte order. 737 * specified in network-byte order.
709 */ 738 */
710 int ib_post_send_mad(struct ib_mad_send_buf *s 739 int ib_post_send_mad(struct ib_mad_send_buf *send_buf,
711 struct ib_mad_send_buf ** 740 struct ib_mad_send_buf **bad_send_buf);
712 741
713 742
714 /** 743 /**
715 * ib_free_recv_mad - Returns data buffers use 744 * ib_free_recv_mad - Returns data buffers used to receive a MAD.
716 * @mad_recv_wc: Work completion information f 745 * @mad_recv_wc: Work completion information for a received MAD.
717 * 746 *
718 * Clients receiving MADs through their ib_mad 747 * Clients receiving MADs through their ib_mad_recv_handler must call this
719 * routine to return the work completion buffe 748 * routine to return the work completion buffers to the access layer.
720 */ 749 */
721 void ib_free_recv_mad(struct ib_mad_recv_wc *m 750 void ib_free_recv_mad(struct ib_mad_recv_wc *mad_recv_wc);
722 751
723 /** 752 /**
>> 753 * ib_cancel_mad - Cancels an outstanding send MAD operation.
>> 754 * @mad_agent: Specifies the registration associated with sent MAD.
>> 755 * @send_buf: Indicates the MAD to cancel.
>> 756 *
>> 757 * MADs will be returned to the user through the corresponding
>> 758 * ib_mad_send_handler.
>> 759 */
>> 760 void ib_cancel_mad(struct ib_mad_agent *mad_agent,
>> 761 struct ib_mad_send_buf *send_buf);
>> 762
>> 763 /**
724 * ib_modify_mad - Modifies an outstanding sen 764 * ib_modify_mad - Modifies an outstanding send MAD operation.
>> 765 * @mad_agent: Specifies the registration associated with sent MAD.
725 * @send_buf: Indicates the MAD to modify. 766 * @send_buf: Indicates the MAD to modify.
726 * @timeout_ms: New timeout value for sent MAD 767 * @timeout_ms: New timeout value for sent MAD.
727 * 768 *
728 * This call will reset the timeout value for 769 * This call will reset the timeout value for a sent MAD to the specified
729 * value. 770 * value.
730 */ 771 */
731 int ib_modify_mad(struct ib_mad_send_buf *send !! 772 int ib_modify_mad(struct ib_mad_agent *mad_agent,
>> 773 struct ib_mad_send_buf *send_buf, u32 timeout_ms);
732 774
733 /** 775 /**
734 * ib_cancel_mad - Cancels an outstanding send !! 776 * ib_redirect_mad_qp - Registers a QP for MAD services.
735 * @send_buf: Indicates the MAD to cancel. !! 777 * @qp: Reference to a QP that requires MAD services.
>> 778 * @rmpp_version: If set, indicates that the client will send
>> 779 * and receive MADs that contain the RMPP header for the given version.
>> 780 * If set to 0, indicates that RMPP is not used by this client.
>> 781 * @send_handler: The completion callback routine invoked after a send
>> 782 * request has completed.
>> 783 * @recv_handler: The completion callback routine invoked for a received
>> 784 * MAD.
>> 785 * @context: User specified context associated with the registration.
736 * 786 *
737 * MADs will be returned to the user through t !! 787 * Use of this call allows clients to use MAD services, such as RMPP,
738 * ib_mad_send_handler. !! 788 * on user-owned QPs. After calling this routine, users may send
>> 789 * MADs on the specified QP by calling ib_mad_post_send.
>> 790 */
>> 791 struct ib_mad_agent *ib_redirect_mad_qp(struct ib_qp *qp,
>> 792 u8 rmpp_version,
>> 793 ib_mad_send_handler send_handler,
>> 794 ib_mad_recv_handler recv_handler,
>> 795 void *context);
>> 796
>> 797 /**
>> 798 * ib_process_mad_wc - Processes a work completion associated with a
>> 799 * MAD sent or received on a redirected QP.
>> 800 * @mad_agent: Specifies the registered MAD service using the redirected QP.
>> 801 * @wc: References a work completion associated with a sent or received
>> 802 * MAD segment.
>> 803 *
>> 804 * This routine is used to complete or continue processing on a MAD request.
>> 805 * If the work completion is associated with a send operation, calling
>> 806 * this routine is required to continue an RMPP transfer or to wait for a
>> 807 * corresponding response, if it is a request. If the work completion is
>> 808 * associated with a receive operation, calling this routine is required to
>> 809 * process an inbound or outbound RMPP transfer, or to match a response MAD
>> 810 * with its corresponding request.
739 */ 811 */
740 static inline void ib_cancel_mad(struct ib_mad !! 812 int ib_process_mad_wc(struct ib_mad_agent *mad_agent,
741 { !! 813 struct ib_wc *wc);
742 ib_modify_mad(send_buf, 0); <<
743 } <<
744 814
745 /** 815 /**
746 * ib_create_send_mad - Allocate and initializ 816 * ib_create_send_mad - Allocate and initialize a data buffer and work request
747 * for sending a MAD. 817 * for sending a MAD.
748 * @mad_agent: Specifies the registered MAD se 818 * @mad_agent: Specifies the registered MAD service to associate with the MAD.
749 * @remote_qpn: Specifies the QPN of the recei 819 * @remote_qpn: Specifies the QPN of the receiving node.
750 * @pkey_index: Specifies which PKey the MAD w 820 * @pkey_index: Specifies which PKey the MAD will be sent using. This field
751 * is valid only if the remote_qpn is QP 1. 821 * is valid only if the remote_qpn is QP 1.
752 * @rmpp_active: Indicates if the send will en 822 * @rmpp_active: Indicates if the send will enable RMPP.
753 * @hdr_len: Indicates the size of the data he 823 * @hdr_len: Indicates the size of the data header of the MAD. This length
754 * should include the common MAD header, RMP 824 * should include the common MAD header, RMPP header, plus any class
755 * specific header. 825 * specific header.
756 * @data_len: Indicates the size of any user-t 826 * @data_len: Indicates the size of any user-transferred data. The call will
757 * automatically adjust the allocated buffer 827 * automatically adjust the allocated buffer size to account for any
758 * additional padding that may be necessary. 828 * additional padding that may be necessary.
759 * @gfp_mask: GFP mask used for the memory all 829 * @gfp_mask: GFP mask used for the memory allocation.
760 * @base_version: Base Version of this MAD 830 * @base_version: Base Version of this MAD
761 * 831 *
762 * This routine allocates a MAD for sending. 832 * This routine allocates a MAD for sending. The returned MAD send buffer
763 * will reference a data buffer usable for sen 833 * will reference a data buffer usable for sending a MAD, along
764 * with an initialized work request structure. 834 * with an initialized work request structure. Users may modify the returned
765 * MAD data buffer before posting the send. 835 * MAD data buffer before posting the send.
766 * 836 *
767 * The returned MAD header, class specific hea 837 * The returned MAD header, class specific headers, and any padding will be
768 * cleared. Users are responsible for initial 838 * cleared. Users are responsible for initializing the common MAD header,
769 * any class specific header, and MAD data are 839 * any class specific header, and MAD data area.
770 * If @rmpp_active is set, the RMPP header wil 840 * If @rmpp_active is set, the RMPP header will be initialized for sending.
771 */ 841 */
772 struct ib_mad_send_buf *ib_create_send_mad(str 842 struct ib_mad_send_buf *ib_create_send_mad(struct ib_mad_agent *mad_agent,
773 u32 843 u32 remote_qpn, u16 pkey_index,
774 int 844 int rmpp_active,
775 int 845 int hdr_len, int data_len,
776 gfp 846 gfp_t gfp_mask,
777 u8 847 u8 base_version);
778 848
779 /** 849 /**
780 * ib_is_mad_class_rmpp - returns whether give 850 * ib_is_mad_class_rmpp - returns whether given management class
781 * supports RMPP. 851 * supports RMPP.
782 * @mgmt_class: management class 852 * @mgmt_class: management class
783 * 853 *
784 * This routine returns whether the management 854 * This routine returns whether the management class supports RMPP.
785 */ 855 */
786 int ib_is_mad_class_rmpp(u8 mgmt_class); 856 int ib_is_mad_class_rmpp(u8 mgmt_class);
787 857
788 /** 858 /**
789 * ib_get_mad_data_offset - returns the data o 859 * ib_get_mad_data_offset - returns the data offset for a given
790 * management class. 860 * management class.
791 * @mgmt_class: management class 861 * @mgmt_class: management class
792 * 862 *
793 * This routine returns the data offset in the 863 * This routine returns the data offset in the MAD for the management
794 * class requested. 864 * class requested.
795 */ 865 */
796 int ib_get_mad_data_offset(u8 mgmt_class); 866 int ib_get_mad_data_offset(u8 mgmt_class);
797 867
798 /** 868 /**
799 * ib_get_rmpp_segment - returns the data buff 869 * ib_get_rmpp_segment - returns the data buffer for a given RMPP segment.
800 * @send_buf: Previously allocated send data b 870 * @send_buf: Previously allocated send data buffer.
801 * @seg_num: number of segment to return 871 * @seg_num: number of segment to return
802 * 872 *
803 * This routine returns a pointer to the data 873 * This routine returns a pointer to the data buffer of an RMPP MAD.
804 * Users must provide synchronization to @send 874 * Users must provide synchronization to @send_buf around this call.
805 */ 875 */
806 void *ib_get_rmpp_segment(struct ib_mad_send_b 876 void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num);
807 877
808 /** 878 /**
809 * ib_free_send_mad - Returns data buffers use 879 * ib_free_send_mad - Returns data buffers used to send a MAD.
810 * @send_buf: Previously allocated send data b 880 * @send_buf: Previously allocated send data buffer.
811 */ 881 */
812 void ib_free_send_mad(struct ib_mad_send_buf * 882 void ib_free_send_mad(struct ib_mad_send_buf *send_buf);
813 883
814 /** 884 /**
815 * ib_mad_kernel_rmpp_agent - Returns if the a 885 * ib_mad_kernel_rmpp_agent - Returns if the agent is performing RMPP.
816 * @agent: the agent in question 886 * @agent: the agent in question
817 * @return: true if agent is performing rmpp, 887 * @return: true if agent is performing rmpp, false otherwise.
818 */ 888 */
819 int ib_mad_kernel_rmpp_agent(const struct ib_m 889 int ib_mad_kernel_rmpp_agent(const struct ib_mad_agent *agent);
820 890
821 #endif /* IB_MAD_H */ 891 #endif /* IB_MAD_H */
822 892
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