drivers/infiniband/hw/qib/qib_mad.h

   1 /*
   2  * Copyright (c) 2012 Intel Corporation.  All rights reserved.
   3  * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
   4  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  */
  34 #ifndef _QIB_MAD_H
  35 #define _QIB_MAD_H
  36
  37 #include <rdma/ib_pma.h>
  38
  39 #define IB_SMP_UNSUP_VERSION    cpu_to_be16(0x0004)
  40 #define IB_SMP_UNSUP_METHOD     cpu_to_be16(0x0008)
  41 #define IB_SMP_UNSUP_METH_ATTR  cpu_to_be16(0x000C)
  42 #define IB_SMP_INVALID_FIELD    cpu_to_be16(0x001C)
  43
  44 struct ib_node_info {
  45         u8 base_version;
  46         u8 class_version;
  47         u8 node_type;
  48         u8 num_ports;
  49         __be64 sys_guid;
  50         __be64 node_guid;
  51         __be64 port_guid;
  52         __be16 partition_cap;
  53         __be16 device_id;
  54         __be32 revision;
  55         u8 local_port_num;
  56         u8 vendor_id[3];
  57 } __packed;
  58
  59 struct ib_mad_notice_attr {
  60         u8 generic_type;
  61         u8 prod_type_msb;
  62         __be16 prod_type_lsb;
  63         __be16 trap_num;
  64         __be16 issuer_lid;
  65         __be16 toggle_count;
  66
  67         union {
  68                 struct {
  69                         u8      details[54];
  70                 } raw_data;
  71
  72                 struct {
  73                         __be16  reserved;
  74                         __be16  lid;            /* where violation happened */
  75                         u8      port_num;       /* where violation happened */
  76                 } __packed ntc_129_131;
  77
  78                 struct {
  79                         __be16  reserved;
  80                         __be16  lid;            /* LID where change occurred */
  81                         u8      reserved2;
  82                         u8      local_changes;  /* low bit - local changes */
  83                         __be32  new_cap_mask;   /* new capability mask */
  84                         u8      reserved3;
  85                         u8      change_flags;   /* low 3 bits only */
  86                 } __packed ntc_144;
  87
  88                 struct {
  89                         __be16  reserved;
  90                         __be16  lid;            /* lid where sys guid changed */
  91                         __be16  reserved2;
  92                         __be64  new_sys_guid;
  93                 } __packed ntc_145;
  94
  95                 struct {
  96                         __be16  reserved;
  97                         __be16  lid;
  98                         __be16  dr_slid;
  99                         u8      method;
 100                         u8      reserved2;
 101                         __be16  attr_id;
 102                         __be32  attr_mod;
 103                         __be64  mkey;
 104                         u8      reserved3;
 105                         u8      dr_trunc_hop;
 106                         u8      dr_rtn_path[30];
 107                 } __packed ntc_256;
 108
 109                 struct {
 110                         __be16          reserved;
 111                         __be16          lid1;
 112                         __be16          lid2;
 113                         __be32          key;
 114                         __be32          sl_qp1; /* SL: high 4 bits */
 115                         __be32          qp2;    /* high 8 bits reserved */
 116                         union ib_gid    gid1;
 117                         union ib_gid    gid2;
 118                 } __packed ntc_257_258;
 119
 120         } details;
 121 };
 122
 123 /*
 124  * Generic trap/notice types
 125  */
 126 #define IB_NOTICE_TYPE_FATAL    0x80
 127 #define IB_NOTICE_TYPE_URGENT   0x81
 128 #define IB_NOTICE_TYPE_SECURITY 0x82
 129 #define IB_NOTICE_TYPE_SM       0x83
 130 #define IB_NOTICE_TYPE_INFO     0x84
 131
 132 /*
 133  * Generic trap/notice producers
 134  */
 135 #define IB_NOTICE_PROD_CA               cpu_to_be16(1)
 136 #define IB_NOTICE_PROD_SWITCH           cpu_to_be16(2)
 137 #define IB_NOTICE_PROD_ROUTER           cpu_to_be16(3)
 138 #define IB_NOTICE_PROD_CLASS_MGR        cpu_to_be16(4)
 139
 140 /*
 141  * Generic trap/notice numbers
 142  */
 143 #define IB_NOTICE_TRAP_LLI_THRESH       cpu_to_be16(129)
 144 #define IB_NOTICE_TRAP_EBO_THRESH       cpu_to_be16(130)
 145 #define IB_NOTICE_TRAP_FLOW_UPDATE      cpu_to_be16(131)
 146 #define IB_NOTICE_TRAP_CAP_MASK_CHG     cpu_to_be16(144)
 147 #define IB_NOTICE_TRAP_SYS_GUID_CHG     cpu_to_be16(145)
 148 #define IB_NOTICE_TRAP_BAD_MKEY         cpu_to_be16(256)
 149 #define IB_NOTICE_TRAP_BAD_PKEY         cpu_to_be16(257)
 150 #define IB_NOTICE_TRAP_BAD_QKEY         cpu_to_be16(258)
 151
 152 /*
 153  * Repress trap/notice flags
 154  */
 155 #define IB_NOTICE_REPRESS_LLI_THRESH    (1 << 0)
 156 #define IB_NOTICE_REPRESS_EBO_THRESH    (1 << 1)
 157 #define IB_NOTICE_REPRESS_FLOW_UPDATE   (1 << 2)
 158 #define IB_NOTICE_REPRESS_CAP_MASK_CHG  (1 << 3)
 159 #define IB_NOTICE_REPRESS_SYS_GUID_CHG  (1 << 4)
 160 #define IB_NOTICE_REPRESS_BAD_MKEY      (1 << 5)
 161 #define IB_NOTICE_REPRESS_BAD_PKEY      (1 << 6)
 162 #define IB_NOTICE_REPRESS_BAD_QKEY      (1 << 7)
 163
 164 /*
 165  * Generic trap/notice other local changes flags (trap 144).
 166  */
 167 #define IB_NOTICE_TRAP_LSE_CHG          0x04    /* Link Speed Enable changed */
 168 #define IB_NOTICE_TRAP_LWE_CHG          0x02    /* Link Width Enable changed */
 169 #define IB_NOTICE_TRAP_NODE_DESC_CHG    0x01
 170
 171 /*
 172  * Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
 173  */
 174 #define IB_NOTICE_TRAP_DR_NOTICE        0x80
 175 #define IB_NOTICE_TRAP_DR_TRUNC         0x40
 176
 177 struct ib_vl_weight_elem {
 178         u8      vl;     /* Only low 4 bits, upper 4 bits reserved */
 179         u8      weight;
 180 };
 181
 182 #define IB_VLARB_LOWPRI_0_31    1
 183 #define IB_VLARB_LOWPRI_32_63   2
 184 #define IB_VLARB_HIGHPRI_0_31   3
 185 #define IB_VLARB_HIGHPRI_32_63  4
 186
 187 #define IB_PMA_PORT_COUNTERS_CONG       cpu_to_be16(0xFF00)
 188
 189 struct ib_pma_portcounters_cong {
 190         u8 reserved;
 191         u8 reserved1;
 192         __be16 port_check_rate;
 193         __be16 symbol_error_counter;
 194         u8 link_error_recovery_counter;
 195         u8 link_downed_counter;
 196         __be16 port_rcv_errors;
 197         __be16 port_rcv_remphys_errors;
 198         __be16 port_rcv_switch_relay_errors;
 199         __be16 port_xmit_discards;
 200         u8 port_xmit_constraint_errors;
 201         u8 port_rcv_constraint_errors;
 202         u8 reserved2;
 203         u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
 204         __be16 reserved3;
 205         __be16 vl15_dropped;
 206         __be64 port_xmit_data;
 207         __be64 port_rcv_data;
 208         __be64 port_xmit_packets;
 209         __be64 port_rcv_packets;
 210         __be64 port_xmit_wait;
 211         __be64 port_adr_events;
 212 } __packed;
 213
 214 #define IB_PMA_CONG_HW_CONTROL_TIMER            0x00
 215 #define IB_PMA_CONG_HW_CONTROL_SAMPLE           0x01
 216
 217 #define QIB_XMIT_RATE_UNSUPPORTED               0x0
 218 #define QIB_XMIT_RATE_PICO                      0x7
 219 /* number of 4nsec cycles equaling 2secs */
 220 #define QIB_CONG_TIMER_PSINTERVAL               0x1DCD64EC
 221
 222 #define IB_PMA_SEL_CONG_ALL                     0x01
 223 #define IB_PMA_SEL_CONG_PORT_DATA               0x02
 224 #define IB_PMA_SEL_CONG_XMIT                    0x04
 225 #define IB_PMA_SEL_CONG_ROUTING                 0x08
 226
 227 /*
 228  * Congestion control class attributes
 229  */
 230 #define IB_CC_ATTR_CLASSPORTINFO                        cpu_to_be16(0x0001)
 231 #define IB_CC_ATTR_NOTICE                               cpu_to_be16(0x0002)
 232 #define IB_CC_ATTR_CONGESTION_INFO                      cpu_to_be16(0x0011)
 233 #define IB_CC_ATTR_CONGESTION_KEY_INFO                  cpu_to_be16(0x0012)
 234 #define IB_CC_ATTR_CONGESTION_LOG                       cpu_to_be16(0x0013)
 235 #define IB_CC_ATTR_SWITCH_CONGESTION_SETTING            cpu_to_be16(0x0014)
 236 #define IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING       cpu_to_be16(0x0015)
 237 #define IB_CC_ATTR_CA_CONGESTION_SETTING                cpu_to_be16(0x0016)
 238 #define IB_CC_ATTR_CONGESTION_CONTROL_TABLE             cpu_to_be16(0x0017)
 239 #define IB_CC_ATTR_TIME_STAMP                           cpu_to_be16(0x0018)
 240
 241 /* generalizations for threshold values */
 242 #define IB_CC_THRESHOLD_NONE 0x0
 243 #define IB_CC_THRESHOLD_MIN  0x1
 244 #define IB_CC_THRESHOLD_MAX  0xf
 245
 246 /* CCA MAD header constants */
 247 #define IB_CC_MAD_LOGDATA_LEN 32
 248 #define IB_CC_MAD_MGMTDATA_LEN 192
 249
 250 struct ib_cc_mad {
 251         u8      base_version;
 252         u8      mgmt_class;
 253         u8      class_version;
 254         u8      method;
 255         __be16  status;
 256         __be16  class_specific;
 257         __be64  tid;
 258         __be16  attr_id;
 259         __be16  resv;
 260         __be32  attr_mod;
 261         __be64 cckey;
 262
 263         /* For CongestionLog attribute only */
 264         u8 log_data[IB_CC_MAD_LOGDATA_LEN];
 265
 266         u8 mgmt_data[IB_CC_MAD_MGMTDATA_LEN];
 267 } __packed;
 268
 269 /*
 270  * Congestion Control class portinfo capability mask bits
 271  */
 272 #define IB_CC_CPI_CM_TRAP_GEN           cpu_to_be16(1 << 0)
 273 #define IB_CC_CPI_CM_GET_SET_NOTICE     cpu_to_be16(1 << 1)
 274 #define IB_CC_CPI_CM_CAP2               cpu_to_be16(1 << 2)
 275 #define IB_CC_CPI_CM_ENHANCEDPORT0_CC   cpu_to_be16(1 << 8)
 276
 277 struct ib_cc_classportinfo_attr {
 278         u8 base_version;
 279         u8 class_version;
 280         __be16 cap_mask;
 281         u8 reserved[3];
 282         u8 resp_time_value;     /* only lower 5 bits */
 283         union ib_gid redirect_gid;
 284         __be32 redirect_tc_sl_fl;       /* 8, 4, 20 bits respectively */
 285         __be16 redirect_lid;
 286         __be16 redirect_pkey;
 287         __be32 redirect_qp;     /* only lower 24 bits */
 288         __be32 redirect_qkey;
 289         union ib_gid trap_gid;
 290         __be32 trap_tc_sl_fl;   /* 8, 4, 20 bits respectively */
 291         __be16 trap_lid;
 292         __be16 trap_pkey;
 293         __be32 trap_hl_qp;      /* 8, 24 bits respectively */
 294         __be32 trap_qkey;
 295 } __packed;
 296
 297 /* Congestion control traps */
 298 #define IB_CC_TRAP_KEY_VIOLATION 0x0000
 299
 300 struct ib_cc_trap_key_violation_attr {
 301         __be16 source_lid;
 302         u8 method;
 303         u8 reserved1;
 304         __be16 attrib_id;
 305         __be32 attrib_mod;
 306         __be32 qp;
 307         __be64 cckey;
 308         u8 sgid[16];
 309         u8 padding[24];
 310 } __packed;
 311
 312 /* Congestion info flags */
 313 #define IB_CC_CI_FLAGS_CREDIT_STARVATION 0x1
 314 #define IB_CC_TABLE_CAP_DEFAULT 31
 315
 316 struct ib_cc_info_attr {
 317         __be16 congestion_info;
 318         u8  control_table_cap; /* Multiple of 64 entry unit CCTs */
 319 } __packed;
 320
 321 struct ib_cc_key_info_attr {
 322         __be64 cckey;
 323         u8  protect;
 324         __be16 lease_period;
 325         __be16 violations;
 326 } __packed;
 327
 328 #define IB_CC_CL_CA_LOGEVENTS_LEN 208
 329
 330 struct ib_cc_log_attr {
 331         u8 log_type;
 332         u8 congestion_flags;
 333         __be16 threshold_event_counter;
 334         __be16 threshold_congestion_event_map;
 335         __be16 current_time_stamp;
 336         u8 log_events[IB_CC_CL_CA_LOGEVENTS_LEN];
 337 } __packed;
 338
 339 #define IB_CC_CLEC_SERVICETYPE_RC 0x0
 340 #define IB_CC_CLEC_SERVICETYPE_UC 0x1
 341 #define IB_CC_CLEC_SERVICETYPE_RD 0x2
 342 #define IB_CC_CLEC_SERVICETYPE_UD 0x3
 343
 344 struct ib_cc_log_event {
 345         u8 local_qp_cn_entry;
 346         u8 remote_qp_number_cn_entry[3];
 347         u8  sl_cn_entry:4;
 348         u8  service_type_cn_entry:4;
 349         __be32 remote_lid_cn_entry;
 350         __be32 timestamp_cn_entry;
 351 } __packed;
 352
 353 /* Sixteen congestion entries */
 354 #define IB_CC_CCS_ENTRIES 16
 355
 356 /* Port control flags */
 357 #define IB_CC_CCS_PC_SL_BASED 0x01
 358
 359 struct ib_cc_congestion_entry {
 360         u8 ccti_increase;
 361         __be16 ccti_timer;
 362         u8 trigger_threshold;
 363         u8 ccti_min; /* min CCTI for cc table */
 364 } __packed;
 365
 366 struct ib_cc_congestion_entry_shadow {
 367         u8 ccti_increase;
 368         u16 ccti_timer;
 369         u8 trigger_threshold;
 370         u8 ccti_min; /* min CCTI for cc table */
 371 } __packed;
 372
 373 struct ib_cc_congestion_setting_attr {
 374         __be16 port_control;
 375         __be16 control_map;
 376         struct ib_cc_congestion_entry entries[IB_CC_CCS_ENTRIES];
 377 } __packed;
 378
 379 struct ib_cc_congestion_setting_attr_shadow {
 380         u16 port_control;
 381         u16 control_map;
 382         struct ib_cc_congestion_entry_shadow entries[IB_CC_CCS_ENTRIES];
 383 } __packed;
 384
 385 #define IB_CC_TABLE_ENTRY_INCREASE_DEFAULT 1
 386 #define IB_CC_TABLE_ENTRY_TIMER_DEFAULT 1
 387
 388 /* 64 Congestion Control table entries in a single MAD */
 389 #define IB_CCT_ENTRIES 64
 390 #define IB_CCT_MIN_ENTRIES (IB_CCT_ENTRIES * 2)
 391
 392 struct ib_cc_table_entry {
 393         __be16 entry; /* shift:2, multiplier:14 */
 394 };
 395
 396 struct ib_cc_table_entry_shadow {
 397         u16 entry; /* shift:2, multiplier:14 */
 398 };
 399
 400 struct ib_cc_table_attr {
 401         __be16 ccti_limit; /* max CCTI for cc table */
 402         struct ib_cc_table_entry ccti_entries[IB_CCT_ENTRIES];
 403 } __packed;
 404
 405 struct ib_cc_table_attr_shadow {
 406         u16 ccti_limit; /* max CCTI for cc table */
 407         struct ib_cc_table_entry_shadow ccti_entries[IB_CCT_ENTRIES];
 408 } __packed;
 409
 410 #define CC_TABLE_SHADOW_MAX \
 411         (IB_CC_TABLE_CAP_DEFAULT * IB_CCT_ENTRIES)
 412
 413 struct cc_table_shadow {
 414         u16 ccti_last_entry;
 415         struct ib_cc_table_entry_shadow entries[CC_TABLE_SHADOW_MAX];
 416 } __packed;
 417
 418 /*
 419  * The PortSamplesControl.CounterMasks field is an array of 3 bit fields
 420  * which specify the N'th counter's capabilities. See ch. 16.1.3.2.
 421  * We support 5 counters which only count the mandatory quantities.
 422  */
 423 #define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
 424 #define COUNTER_MASK0_9 \
 425         cpu_to_be32(COUNTER_MASK(1, 0) | \
 426                     COUNTER_MASK(1, 1) | \
 427                     COUNTER_MASK(1, 2) | \
 428                     COUNTER_MASK(1, 3) | \
 429                     COUNTER_MASK(1, 4))
 430
 431 #endif                          /* _QIB_MAD_H */