linux/include/linux/cper.h
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   1/*
   2 * UEFI Common Platform Error Record
   3 *
   4 * Copyright (C) 2010, Intel Corp.
   5 *      Author: Huang Ying <ying.huang@intel.com>
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License version
   9 * 2 as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21#ifndef LINUX_CPER_H
  22#define LINUX_CPER_H
  23
  24#include <linux/uuid.h>
  25#include <linux/trace_seq.h>
  26
  27/* CPER record signature and the size */
  28#define CPER_SIG_RECORD                         "CPER"
  29#define CPER_SIG_SIZE                           4
  30/* Used in signature_end field in struct cper_record_header */
  31#define CPER_SIG_END                            0xffffffff
  32
  33/*
  34 * CPER record header revision, used in revision field in struct
  35 * cper_record_header
  36 */
  37#define CPER_RECORD_REV                         0x0100
  38
  39/*
  40 * CPER record length contains the CPER fields which are relevant for further
  41 * handling of a memory error in userspace (we don't carry all the fields
  42 * defined in the UEFI spec because some of them don't make any sense.)
  43 * Currently, a length of 256 should be more than enough.
  44 */
  45#define CPER_REC_LEN                                    256
  46/*
  47 * Severity difinition for error_severity in struct cper_record_header
  48 * and section_severity in struct cper_section_descriptor
  49 */
  50enum {
  51        CPER_SEV_RECOVERABLE,
  52        CPER_SEV_FATAL,
  53        CPER_SEV_CORRECTED,
  54        CPER_SEV_INFORMATIONAL,
  55};
  56
  57/*
  58 * Validation bits difinition for validation_bits in struct
  59 * cper_record_header. If set, corresponding fields in struct
  60 * cper_record_header contain valid information.
  61 *
  62 * corresponds platform_id
  63 */
  64#define CPER_VALID_PLATFORM_ID                  0x0001
  65/* corresponds timestamp */
  66#define CPER_VALID_TIMESTAMP                    0x0002
  67/* corresponds partition_id */
  68#define CPER_VALID_PARTITION_ID                 0x0004
  69
  70/*
  71 * Notification type used to generate error record, used in
  72 * notification_type in struct cper_record_header
  73 *
  74 * Corrected Machine Check
  75 */
  76#define CPER_NOTIFY_CMC                                                 \
  77        GUID_INIT(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4,   \
  78                  0xEB, 0xD4, 0xF8, 0x90)
  79/* Corrected Platform Error */
  80#define CPER_NOTIFY_CPE                                                 \
  81        GUID_INIT(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81,   \
  82                  0xF2, 0x7E, 0xBE, 0xEE)
  83/* Machine Check Exception */
  84#define CPER_NOTIFY_MCE                                                 \
  85        GUID_INIT(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB,   \
  86                  0xE1, 0x49, 0x13, 0xBB)
  87/* PCI Express Error */
  88#define CPER_NOTIFY_PCIE                                                \
  89        GUID_INIT(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D,   \
  90                  0xAF, 0x67, 0xC1, 0x04)
  91/* INIT Record (for IPF) */
  92#define CPER_NOTIFY_INIT                                                \
  93        GUID_INIT(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B,   \
  94                  0xD3, 0x9B, 0xC9, 0x8E)
  95/* Non-Maskable Interrupt */
  96#define CPER_NOTIFY_NMI                                                 \
  97        GUID_INIT(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24,   \
  98                  0x85, 0xD6, 0xE9, 0x8A)
  99/* BOOT Error Record */
 100#define CPER_NOTIFY_BOOT                                                \
 101        GUID_INIT(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62,   \
 102                  0xD4, 0x64, 0xB3, 0x8F)
 103/* DMA Remapping Error */
 104#define CPER_NOTIFY_DMAR                                                \
 105        GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E,   \
 106                  0x72, 0x2D, 0xEB, 0x41)
 107
 108/*
 109 * Flags bits definitions for flags in struct cper_record_header
 110 * If set, the error has been recovered
 111 */
 112#define CPER_HW_ERROR_FLAGS_RECOVERED           0x1
 113/* If set, the error is for previous boot */
 114#define CPER_HW_ERROR_FLAGS_PREVERR             0x2
 115/* If set, the error is injected for testing */
 116#define CPER_HW_ERROR_FLAGS_SIMULATED           0x4
 117
 118/*
 119 * CPER section header revision, used in revision field in struct
 120 * cper_section_descriptor
 121 */
 122#define CPER_SEC_REV                            0x0100
 123
 124/*
 125 * Validation bits difinition for validation_bits in struct
 126 * cper_section_descriptor. If set, corresponding fields in struct
 127 * cper_section_descriptor contain valid information.
 128 *
 129 * corresponds fru_id
 130 */
 131#define CPER_SEC_VALID_FRU_ID                   0x1
 132/* corresponds fru_text */
 133#define CPER_SEC_VALID_FRU_TEXT                 0x2
 134
 135/*
 136 * Flags bits definitions for flags in struct cper_section_descriptor
 137 *
 138 * If set, the section is associated with the error condition
 139 * directly, and should be focused on
 140 */
 141#define CPER_SEC_PRIMARY                        0x0001
 142/*
 143 * If set, the error was not contained within the processor or memory
 144 * hierarchy and the error may have propagated to persistent storage
 145 * or network
 146 */
 147#define CPER_SEC_CONTAINMENT_WARNING            0x0002
 148/* If set, the component must be re-initialized or re-enabled prior to use */
 149#define CPER_SEC_RESET                          0x0004
 150/* If set, Linux may choose to discontinue use of the resource */
 151#define CPER_SEC_ERROR_THRESHOLD_EXCEEDED       0x0008
 152/*
 153 * If set, resource could not be queried for error information due to
 154 * conflicts with other system software or resources. Some fields of
 155 * the section will be invalid
 156 */
 157#define CPER_SEC_RESOURCE_NOT_ACCESSIBLE        0x0010
 158/*
 159 * If set, action has been taken to ensure error containment (such as
 160 * poisoning data), but the error has not been fully corrected and the
 161 * data has not been consumed. Linux may choose to take further
 162 * corrective action before the data is consumed
 163 */
 164#define CPER_SEC_LATENT_ERROR                   0x0020
 165
 166/*
 167 * Section type definitions, used in section_type field in struct
 168 * cper_section_descriptor
 169 *
 170 * Processor Generic
 171 */
 172#define CPER_SEC_PROC_GENERIC                                           \
 173        GUID_INIT(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1,   \
 174                  0x93, 0xC4, 0xF3, 0xDB)
 175/* Processor Specific: X86/X86_64 */
 176#define CPER_SEC_PROC_IA                                                \
 177        GUID_INIT(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA,   \
 178                  0x24, 0x2B, 0x6E, 0x1D)
 179/* Processor Specific: IA64 */
 180#define CPER_SEC_PROC_IPF                                               \
 181        GUID_INIT(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00,   \
 182                  0x80, 0xC7, 0x3C, 0x88, 0x81)
 183/* Processor Specific: ARM */
 184#define CPER_SEC_PROC_ARM                                               \
 185        GUID_INIT(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05,   \
 186                  0x1D, 0x5D, 0x46, 0xB0)
 187/* Platform Memory */
 188#define CPER_SEC_PLATFORM_MEM                                           \
 189        GUID_INIT(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83,   \
 190                  0xED, 0x7C, 0x83, 0xB1)
 191#define CPER_SEC_PCIE                                                   \
 192        GUID_INIT(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D,   \
 193                  0xCB, 0x3C, 0x6F, 0x35)
 194/* Firmware Error Record Reference */
 195#define CPER_SEC_FW_ERR_REC_REF                                         \
 196        GUID_INIT(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72,   \
 197                  0x9C, 0x8E, 0x69, 0xED)
 198/* PCI/PCI-X Bus */
 199#define CPER_SEC_PCI_X_BUS                                              \
 200        GUID_INIT(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA,   \
 201                  0xD3, 0xF9, 0xC9, 0xDD)
 202/* PCI Component/Device */
 203#define CPER_SEC_PCI_DEV                                                \
 204        GUID_INIT(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06,   \
 205                  0x8B, 0x00, 0x13, 0x26)
 206#define CPER_SEC_DMAR_GENERIC                                           \
 207        GUID_INIT(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62,   \
 208                  0xDE, 0x3E, 0x2C, 0x64)
 209/* Intel VT for Directed I/O specific DMAr */
 210#define CPER_SEC_DMAR_VT                                                \
 211        GUID_INIT(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE,   \
 212                  0xDD, 0x93, 0xE8, 0xCF)
 213/* IOMMU specific DMAr */
 214#define CPER_SEC_DMAR_IOMMU                                             \
 215        GUID_INIT(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F,   \
 216                  0xDF, 0xAA, 0x84, 0xEC)
 217
 218#define CPER_PROC_VALID_TYPE                    0x0001
 219#define CPER_PROC_VALID_ISA                     0x0002
 220#define CPER_PROC_VALID_ERROR_TYPE              0x0004
 221#define CPER_PROC_VALID_OPERATION               0x0008
 222#define CPER_PROC_VALID_FLAGS                   0x0010
 223#define CPER_PROC_VALID_LEVEL                   0x0020
 224#define CPER_PROC_VALID_VERSION                 0x0040
 225#define CPER_PROC_VALID_BRAND_INFO              0x0080
 226#define CPER_PROC_VALID_ID                      0x0100
 227#define CPER_PROC_VALID_TARGET_ADDRESS          0x0200
 228#define CPER_PROC_VALID_REQUESTOR_ID            0x0400
 229#define CPER_PROC_VALID_RESPONDER_ID            0x0800
 230#define CPER_PROC_VALID_IP                      0x1000
 231
 232#define CPER_MEM_VALID_ERROR_STATUS             0x0001
 233#define CPER_MEM_VALID_PA                       0x0002
 234#define CPER_MEM_VALID_PA_MASK                  0x0004
 235#define CPER_MEM_VALID_NODE                     0x0008
 236#define CPER_MEM_VALID_CARD                     0x0010
 237#define CPER_MEM_VALID_MODULE                   0x0020
 238#define CPER_MEM_VALID_BANK                     0x0040
 239#define CPER_MEM_VALID_DEVICE                   0x0080
 240#define CPER_MEM_VALID_ROW                      0x0100
 241#define CPER_MEM_VALID_COLUMN                   0x0200
 242#define CPER_MEM_VALID_BIT_POSITION             0x0400
 243#define CPER_MEM_VALID_REQUESTOR_ID             0x0800
 244#define CPER_MEM_VALID_RESPONDER_ID             0x1000
 245#define CPER_MEM_VALID_TARGET_ID                0x2000
 246#define CPER_MEM_VALID_ERROR_TYPE               0x4000
 247#define CPER_MEM_VALID_RANK_NUMBER              0x8000
 248#define CPER_MEM_VALID_CARD_HANDLE              0x10000
 249#define CPER_MEM_VALID_MODULE_HANDLE            0x20000
 250
 251#define CPER_PCIE_VALID_PORT_TYPE               0x0001
 252#define CPER_PCIE_VALID_VERSION                 0x0002
 253#define CPER_PCIE_VALID_COMMAND_STATUS          0x0004
 254#define CPER_PCIE_VALID_DEVICE_ID               0x0008
 255#define CPER_PCIE_VALID_SERIAL_NUMBER           0x0010
 256#define CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS   0x0020
 257#define CPER_PCIE_VALID_CAPABILITY              0x0040
 258#define CPER_PCIE_VALID_AER_INFO                0x0080
 259
 260#define CPER_PCIE_SLOT_SHIFT                    3
 261
 262#define CPER_ARM_VALID_MPIDR                    BIT(0)
 263#define CPER_ARM_VALID_AFFINITY_LEVEL           BIT(1)
 264#define CPER_ARM_VALID_RUNNING_STATE            BIT(2)
 265#define CPER_ARM_VALID_VENDOR_INFO              BIT(3)
 266
 267#define CPER_ARM_INFO_VALID_MULTI_ERR           BIT(0)
 268#define CPER_ARM_INFO_VALID_FLAGS               BIT(1)
 269#define CPER_ARM_INFO_VALID_ERR_INFO            BIT(2)
 270#define CPER_ARM_INFO_VALID_VIRT_ADDR           BIT(3)
 271#define CPER_ARM_INFO_VALID_PHYSICAL_ADDR       BIT(4)
 272
 273#define CPER_ARM_INFO_FLAGS_FIRST               BIT(0)
 274#define CPER_ARM_INFO_FLAGS_LAST                BIT(1)
 275#define CPER_ARM_INFO_FLAGS_PROPAGATED          BIT(2)
 276#define CPER_ARM_INFO_FLAGS_OVERFLOW            BIT(3)
 277
 278#define CPER_ARM_CACHE_ERROR                    0
 279#define CPER_ARM_TLB_ERROR                      1
 280#define CPER_ARM_BUS_ERROR                      2
 281#define CPER_ARM_VENDOR_ERROR                   3
 282#define CPER_ARM_MAX_TYPE                       CPER_ARM_VENDOR_ERROR
 283
 284#define CPER_ARM_ERR_VALID_TRANSACTION_TYPE     BIT(0)
 285#define CPER_ARM_ERR_VALID_OPERATION_TYPE       BIT(1)
 286#define CPER_ARM_ERR_VALID_LEVEL                BIT(2)
 287#define CPER_ARM_ERR_VALID_PROC_CONTEXT_CORRUPT BIT(3)
 288#define CPER_ARM_ERR_VALID_CORRECTED            BIT(4)
 289#define CPER_ARM_ERR_VALID_PRECISE_PC           BIT(5)
 290#define CPER_ARM_ERR_VALID_RESTARTABLE_PC       BIT(6)
 291#define CPER_ARM_ERR_VALID_PARTICIPATION_TYPE   BIT(7)
 292#define CPER_ARM_ERR_VALID_TIME_OUT             BIT(8)
 293#define CPER_ARM_ERR_VALID_ADDRESS_SPACE        BIT(9)
 294#define CPER_ARM_ERR_VALID_MEM_ATTRIBUTES       BIT(10)
 295#define CPER_ARM_ERR_VALID_ACCESS_MODE          BIT(11)
 296
 297#define CPER_ARM_ERR_TRANSACTION_SHIFT          16
 298#define CPER_ARM_ERR_TRANSACTION_MASK           GENMASK(1,0)
 299#define CPER_ARM_ERR_OPERATION_SHIFT            18
 300#define CPER_ARM_ERR_OPERATION_MASK             GENMASK(3,0)
 301#define CPER_ARM_ERR_LEVEL_SHIFT                22
 302#define CPER_ARM_ERR_LEVEL_MASK                 GENMASK(2,0)
 303#define CPER_ARM_ERR_PC_CORRUPT_SHIFT           25
 304#define CPER_ARM_ERR_PC_CORRUPT_MASK            GENMASK(0,0)
 305#define CPER_ARM_ERR_CORRECTED_SHIFT            26
 306#define CPER_ARM_ERR_CORRECTED_MASK             GENMASK(0,0)
 307#define CPER_ARM_ERR_PRECISE_PC_SHIFT           27
 308#define CPER_ARM_ERR_PRECISE_PC_MASK            GENMASK(0,0)
 309#define CPER_ARM_ERR_RESTARTABLE_PC_SHIFT       28
 310#define CPER_ARM_ERR_RESTARTABLE_PC_MASK        GENMASK(0,0)
 311#define CPER_ARM_ERR_PARTICIPATION_TYPE_SHIFT   29
 312#define CPER_ARM_ERR_PARTICIPATION_TYPE_MASK    GENMASK(1,0)
 313#define CPER_ARM_ERR_TIME_OUT_SHIFT             31
 314#define CPER_ARM_ERR_TIME_OUT_MASK              GENMASK(0,0)
 315#define CPER_ARM_ERR_ADDRESS_SPACE_SHIFT        32
 316#define CPER_ARM_ERR_ADDRESS_SPACE_MASK         GENMASK(1,0)
 317#define CPER_ARM_ERR_MEM_ATTRIBUTES_SHIFT       34
 318#define CPER_ARM_ERR_MEM_ATTRIBUTES_MASK        GENMASK(8,0)
 319#define CPER_ARM_ERR_ACCESS_MODE_SHIFT          43
 320#define CPER_ARM_ERR_ACCESS_MODE_MASK           GENMASK(0,0)
 321
 322/*
 323 * All tables and structs must be byte-packed to match CPER
 324 * specification, since the tables are provided by the system BIOS
 325 */
 326#pragma pack(1)
 327
 328struct cper_record_header {
 329        char    signature[CPER_SIG_SIZE];       /* must be CPER_SIG_RECORD */
 330        __u16   revision;                       /* must be CPER_RECORD_REV */
 331        __u32   signature_end;                  /* must be CPER_SIG_END */
 332        __u16   section_count;
 333        __u32   error_severity;
 334        __u32   validation_bits;
 335        __u32   record_length;
 336        __u64   timestamp;
 337        guid_t  platform_id;
 338        guid_t  partition_id;
 339        guid_t  creator_id;
 340        guid_t  notification_type;
 341        __u64   record_id;
 342        __u32   flags;
 343        __u64   persistence_information;
 344        __u8    reserved[12];                   /* must be zero */
 345};
 346
 347struct cper_section_descriptor {
 348        __u32   section_offset;         /* Offset in bytes of the
 349                                         *  section body from the base
 350                                         *  of the record header */
 351        __u32   section_length;
 352        __u16   revision;               /* must be CPER_RECORD_REV */
 353        __u8    validation_bits;
 354        __u8    reserved;               /* must be zero */
 355        __u32   flags;
 356        guid_t  section_type;
 357        guid_t  fru_id;
 358        __u32   section_severity;
 359        __u8    fru_text[20];
 360};
 361
 362/* Generic Processor Error Section */
 363struct cper_sec_proc_generic {
 364        __u64   validation_bits;
 365        __u8    proc_type;
 366        __u8    proc_isa;
 367        __u8    proc_error_type;
 368        __u8    operation;
 369        __u8    flags;
 370        __u8    level;
 371        __u16   reserved;
 372        __u64   cpu_version;
 373        char    cpu_brand[128];
 374        __u64   proc_id;
 375        __u64   target_addr;
 376        __u64   requestor_id;
 377        __u64   responder_id;
 378        __u64   ip;
 379};
 380
 381/* IA32/X64 Processor Error Section */
 382struct cper_sec_proc_ia {
 383        __u64   validation_bits;
 384        __u64   lapic_id;
 385        __u8    cpuid[48];
 386};
 387
 388/* IA32/X64 Processor Error Information Structure */
 389struct cper_ia_err_info {
 390        guid_t  err_type;
 391        __u64   validation_bits;
 392        __u64   check_info;
 393        __u64   target_id;
 394        __u64   requestor_id;
 395        __u64   responder_id;
 396        __u64   ip;
 397};
 398
 399/* IA32/X64 Processor Context Information Structure */
 400struct cper_ia_proc_ctx {
 401        __u16   reg_ctx_type;
 402        __u16   reg_arr_size;
 403        __u32   msr_addr;
 404        __u64   mm_reg_addr;
 405};
 406
 407/* ARM Processor Error Section */
 408struct cper_sec_proc_arm {
 409        __u32   validation_bits;
 410        __u16   err_info_num;           /* Number of Processor Error Info */
 411        __u16   context_info_num;       /* Number of Processor Context Info Records*/
 412        __u32   section_length;
 413        __u8    affinity_level;
 414        __u8    reserved[3];            /* must be zero */
 415        __u64   mpidr;
 416        __u64   midr;
 417        __u32   running_state;          /* Bit 0 set - Processor running. PSCI = 0 */
 418        __u32   psci_state;
 419};
 420
 421/* ARM Processor Error Information Structure */
 422struct cper_arm_err_info {
 423        __u8    version;
 424        __u8    length;
 425        __u16   validation_bits;
 426        __u8    type;
 427        __u16   multiple_error;
 428        __u8    flags;
 429        __u64   error_info;
 430        __u64   virt_fault_addr;
 431        __u64   physical_fault_addr;
 432};
 433
 434/* ARM Processor Context Information Structure */
 435struct cper_arm_ctx_info {
 436        __u16   version;
 437        __u16   type;
 438        __u32   size;
 439};
 440
 441/* Old Memory Error Section UEFI 2.1, 2.2 */
 442struct cper_sec_mem_err_old {
 443        __u64   validation_bits;
 444        __u64   error_status;
 445        __u64   physical_addr;
 446        __u64   physical_addr_mask;
 447        __u16   node;
 448        __u16   card;
 449        __u16   module;
 450        __u16   bank;
 451        __u16   device;
 452        __u16   row;
 453        __u16   column;
 454        __u16   bit_pos;
 455        __u64   requestor_id;
 456        __u64   responder_id;
 457        __u64   target_id;
 458        __u8    error_type;
 459};
 460
 461/* Memory Error Section UEFI >= 2.3 */
 462struct cper_sec_mem_err {
 463        __u64   validation_bits;
 464        __u64   error_status;
 465        __u64   physical_addr;
 466        __u64   physical_addr_mask;
 467        __u16   node;
 468        __u16   card;
 469        __u16   module;
 470        __u16   bank;
 471        __u16   device;
 472        __u16   row;
 473        __u16   column;
 474        __u16   bit_pos;
 475        __u64   requestor_id;
 476        __u64   responder_id;
 477        __u64   target_id;
 478        __u8    error_type;
 479        __u8    reserved;
 480        __u16   rank;
 481        __u16   mem_array_handle;       /* card handle in UEFI 2.4 */
 482        __u16   mem_dev_handle;         /* module handle in UEFI 2.4 */
 483};
 484
 485struct cper_mem_err_compact {
 486        __u64   validation_bits;
 487        __u16   node;
 488        __u16   card;
 489        __u16   module;
 490        __u16   bank;
 491        __u16   device;
 492        __u16   row;
 493        __u16   column;
 494        __u16   bit_pos;
 495        __u64   requestor_id;
 496        __u64   responder_id;
 497        __u64   target_id;
 498        __u16   rank;
 499        __u16   mem_array_handle;
 500        __u16   mem_dev_handle;
 501};
 502
 503struct cper_sec_pcie {
 504        __u64           validation_bits;
 505        __u32           port_type;
 506        struct {
 507                __u8    minor;
 508                __u8    major;
 509                __u8    reserved[2];
 510        }               version;
 511        __u16           command;
 512        __u16           status;
 513        __u32           reserved;
 514        struct {
 515                __u16   vendor_id;
 516                __u16   device_id;
 517                __u8    class_code[3];
 518                __u8    function;
 519                __u8    device;
 520                __u16   segment;
 521                __u8    bus;
 522                __u8    secondary_bus;
 523                __u16   slot;
 524                __u8    reserved;
 525        }               device_id;
 526        struct {
 527                __u32   lower;
 528                __u32   upper;
 529        }               serial_number;
 530        struct {
 531                __u16   secondary_status;
 532                __u16   control;
 533        }               bridge;
 534        __u8    capability[60];
 535        __u8    aer_info[96];
 536};
 537
 538/* Reset to default packing */
 539#pragma pack()
 540
 541extern const char * const cper_proc_error_type_strs[4];
 542
 543u64 cper_next_record_id(void);
 544const char *cper_severity_str(unsigned int);
 545const char *cper_mem_err_type_str(unsigned int);
 546void cper_print_bits(const char *prefix, unsigned int bits,
 547                     const char * const strs[], unsigned int strs_size);
 548void cper_mem_err_pack(const struct cper_sec_mem_err *,
 549                       struct cper_mem_err_compact *);
 550const char *cper_mem_err_unpack(struct trace_seq *,
 551                                struct cper_mem_err_compact *);
 552void cper_print_proc_arm(const char *pfx,
 553                         const struct cper_sec_proc_arm *proc);
 554void cper_print_proc_ia(const char *pfx,
 555                        const struct cper_sec_proc_ia *proc);
 556
 557#endif
 558