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 44struct 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 59struct 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 177struct 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 189struct 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 250struct 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 277struct 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 300struct 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 316struct ib_cc_info_attr { 317 __be16 congestion_info; 318 u8 control_table_cap; /* Multiple of 64 entry unit CCTs */ 319} __packed; 320 321struct 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 330struct 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 344struct 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 359struct 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 366struct 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 373struct 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 379struct 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 392struct ib_cc_table_entry { 393 __be16 entry; /* shift:2, multiplier:14 */ 394}; 395 396struct ib_cc_table_entry_shadow { 397 u16 entry; /* shift:2, multiplier:14 */ 398}; 399 400struct 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 405struct 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 413struct 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 */ 432