LXR linux/include/linux/cper.h

   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        UUID_LE(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4,     \
  78                0xEB, 0xD4, 0xF8, 0x90)
  79/* Corrected Platform Error */
  80#define CPER_NOTIFY_CPE                                                 \
  81        UUID_LE(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81,     \
  82                0xF2, 0x7E, 0xBE, 0xEE)
  83/* Machine Check Exception */
  84#define CPER_NOTIFY_MCE                                                 \
  85        UUID_LE(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB,     \
  86                0xE1, 0x49, 0x13, 0xBB)
  87/* PCI Express Error */
  88#define CPER_NOTIFY_PCIE                                                \
  89        UUID_LE(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D,     \
  90                0xAF, 0x67, 0xC1, 0x04)
  91/* INIT Record (for IPF) */
  92#define CPER_NOTIFY_INIT                                                \
  93        UUID_LE(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B,     \
  94                0xD3, 0x9B, 0xC9, 0x8E)
  95/* Non-Maskable Interrupt */
  96#define CPER_NOTIFY_NMI                                                 \
  97        UUID_LE(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24,     \
  98                0x85, 0xD6, 0xE9, 0x8A)
  99/* BOOT Error Record */
 100#define CPER_NOTIFY_BOOT                                                \
 101        UUID_LE(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62,     \
 102                0xD4, 0x64, 0xB3, 0x8F)
 103/* DMA Remapping Error */
 104#define CPER_NOTIFY_DMAR                                                \
 105        UUID_LE(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        UUID_LE(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        UUID_LE(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA,     \
 178                0x24, 0x2B, 0x6E, 0x1D)
 179/* Processor Specific: IA64 */
 180#define CPER_SEC_PROC_IPF                                               \
 181        UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00,     \
 182                0x80, 0xC7, 0x3C, 0x88, 0x81)
 183/* Platform Memory */
 184#define CPER_SEC_PLATFORM_MEM                                           \
 185        UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83,     \
 186                0xED, 0x7C, 0x83, 0xB1)
 187#define CPER_SEC_PCIE                                                   \
 188        UUID_LE(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D,     \
 189                0xCB, 0x3C, 0x6F, 0x35)
 190/* Firmware Error Record Reference */
 191#define CPER_SEC_FW_ERR_REC_REF                                         \
 192        UUID_LE(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72,     \
 193                0x9C, 0x8E, 0x69, 0xED)
 194/* PCI/PCI-X Bus */
 195#define CPER_SEC_PCI_X_BUS                                              \
 196        UUID_LE(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA,     \
 197                0xD3, 0xF9, 0xC9, 0xDD)
 198/* PCI Component/Device */
 199#define CPER_SEC_PCI_DEV                                                \
 200        UUID_LE(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06,     \
 201                0x8B, 0x00, 0x13, 0x26)
 202#define CPER_SEC_DMAR_GENERIC                                           \
 203        UUID_LE(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62,     \
 204                0xDE, 0x3E, 0x2C, 0x64)
 205/* Intel VT for Directed I/O specific DMAr */
 206#define CPER_SEC_DMAR_VT                                                \
 207        UUID_LE(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE,     \
 208                0xDD, 0x93, 0xE8, 0xCF)
 209/* IOMMU specific DMAr */
 210#define CPER_SEC_DMAR_IOMMU                                             \
 211        UUID_LE(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F,     \
 212                0xDF, 0xAA, 0x84, 0xEC)
 213
 214#define CPER_PROC_VALID_TYPE                    0x0001
 215#define CPER_PROC_VALID_ISA                     0x0002
 216#define CPER_PROC_VALID_ERROR_TYPE              0x0004
 217#define CPER_PROC_VALID_OPERATION               0x0008
 218#define CPER_PROC_VALID_FLAGS                   0x0010
 219#define CPER_PROC_VALID_LEVEL                   0x0020
 220#define CPER_PROC_VALID_VERSION                 0x0040
 221#define CPER_PROC_VALID_BRAND_INFO              0x0080
 222#define CPER_PROC_VALID_ID                      0x0100
 223#define CPER_PROC_VALID_TARGET_ADDRESS          0x0200
 224#define CPER_PROC_VALID_REQUESTOR_ID            0x0400
 225#define CPER_PROC_VALID_RESPONDER_ID            0x0800
 226#define CPER_PROC_VALID_IP                      0x1000
 227
 228#define CPER_MEM_VALID_ERROR_STATUS             0x0001
 229#define CPER_MEM_VALID_PA                       0x0002
 230#define CPER_MEM_VALID_PA_MASK                  0x0004
 231#define CPER_MEM_VALID_NODE                     0x0008
 232#define CPER_MEM_VALID_CARD                     0x0010
 233#define CPER_MEM_VALID_MODULE                   0x0020
 234#define CPER_MEM_VALID_BANK                     0x0040
 235#define CPER_MEM_VALID_DEVICE                   0x0080
 236#define CPER_MEM_VALID_ROW                      0x0100
 237#define CPER_MEM_VALID_COLUMN                   0x0200
 238#define CPER_MEM_VALID_BIT_POSITION             0x0400
 239#define CPER_MEM_VALID_REQUESTOR_ID             0x0800
 240#define CPER_MEM_VALID_RESPONDER_ID             0x1000
 241#define CPER_MEM_VALID_TARGET_ID                0x2000
 242#define CPER_MEM_VALID_ERROR_TYPE               0x4000
 243#define CPER_MEM_VALID_RANK_NUMBER              0x8000
 244#define CPER_MEM_VALID_CARD_HANDLE              0x10000
 245#define CPER_MEM_VALID_MODULE_HANDLE            0x20000
 246
 247#define CPER_PCIE_VALID_PORT_TYPE               0x0001
 248#define CPER_PCIE_VALID_VERSION                 0x0002
 249#define CPER_PCIE_VALID_COMMAND_STATUS          0x0004
 250#define CPER_PCIE_VALID_DEVICE_ID               0x0008
 251#define CPER_PCIE_VALID_SERIAL_NUMBER           0x0010
 252#define CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS   0x0020
 253#define CPER_PCIE_VALID_CAPABILITY              0x0040
 254#define CPER_PCIE_VALID_AER_INFO                0x0080
 255
 256#define CPER_PCIE_SLOT_SHIFT                    3
 257
 258/*
 259 * All tables and structs must be byte-packed to match CPER
 260 * specification, since the tables are provided by the system BIOS
 261 */
 262#pragma pack(1)
 263
 264struct cper_record_header {
 265        char    signature[CPER_SIG_SIZE];       /* must be CPER_SIG_RECORD */
 266        __u16   revision;                       /* must be CPER_RECORD_REV */
 267        __u32   signature_end;                  /* must be CPER_SIG_END */
 268        __u16   section_count;
 269        __u32   error_severity;
 270        __u32   validation_bits;
 271        __u32   record_length;
 272        __u64   timestamp;
 273        uuid_le platform_id;
 274        uuid_le partition_id;
 275        uuid_le creator_id;
 276        uuid_le notification_type;
 277        __u64   record_id;
 278        __u32   flags;
 279        __u64   persistence_information;
 280        __u8    reserved[12];                   /* must be zero */
 281};
 282
 283struct cper_section_descriptor {
 284        __u32   section_offset;         /* Offset in bytes of the
 285                                         *  section body from the base
 286                                         *  of the record header */
 287        __u32   section_length;
 288        __u16   revision;               /* must be CPER_RECORD_REV */
 289        __u8    validation_bits;
 290        __u8    reserved;               /* must be zero */
 291        __u32   flags;
 292        uuid_le section_type;
 293        uuid_le fru_id;
 294        __u32   section_severity;
 295        __u8    fru_text[20];
 296};
 297
 298/* Generic Processor Error Section */
 299struct cper_sec_proc_generic {
 300        __u64   validation_bits;
 301        __u8    proc_type;
 302        __u8    proc_isa;
 303        __u8    proc_error_type;
 304        __u8    operation;
 305        __u8    flags;
 306        __u8    level;
 307        __u16   reserved;
 308        __u64   cpu_version;
 309        char    cpu_brand[128];
 310        __u64   proc_id;
 311        __u64   target_addr;
 312        __u64   requestor_id;
 313        __u64   responder_id;
 314        __u64   ip;
 315};
 316
 317/* IA32/X64 Processor Error Section */
 318struct cper_sec_proc_ia {
 319        __u64   validation_bits;
 320        __u8    lapic_id;
 321        __u8    cpuid[48];
 322};
 323
 324/* IA32/X64 Processor Error Information Structure */
 325struct cper_ia_err_info {
 326        uuid_le err_type;
 327        __u64   validation_bits;
 328        __u64   check_info;
 329        __u64   target_id;
 330        __u64   requestor_id;
 331        __u64   responder_id;
 332        __u64   ip;
 333};
 334
 335/* IA32/X64 Processor Context Information Structure */
 336struct cper_ia_proc_ctx {
 337        __u16   reg_ctx_type;
 338        __u16   reg_arr_size;
 339        __u32   msr_addr;
 340        __u64   mm_reg_addr;
 341};
 342
 343/* Memory Error Section */
 344struct cper_sec_mem_err {
 345        __u64   validation_bits;
 346        __u64   error_status;
 347        __u64   physical_addr;
 348        __u64   physical_addr_mask;
 349        __u16   node;
 350        __u16   card;
 351        __u16   module;
 352        __u16   bank;
 353        __u16   device;
 354        __u16   row;
 355        __u16   column;
 356        __u16   bit_pos;
 357        __u64   requestor_id;
 358        __u64   responder_id;
 359        __u64   target_id;
 360        __u8    error_type;
 361        __u8    reserved;
 362        __u16   rank;
 363        __u16   mem_array_handle;       /* card handle in UEFI 2.4 */
 364        __u16   mem_dev_handle;         /* module handle in UEFI 2.4 */
 365};
 366
 367struct cper_mem_err_compact {
 368        __u64   validation_bits;
 369        __u16   node;
 370        __u16   card;
 371        __u16   module;
 372        __u16   bank;
 373        __u16   device;
 374        __u16   row;
 375        __u16   column;
 376        __u16   bit_pos;
 377        __u64   requestor_id;
 378        __u64   responder_id;
 379        __u64   target_id;
 380        __u16   rank;
 381        __u16   mem_array_handle;
 382        __u16   mem_dev_handle;
 383};
 384
 385struct cper_sec_pcie {
 386        __u64           validation_bits;
 387        __u32           port_type;
 388        struct {
 389                __u8    minor;
 390                __u8    major;
 391                __u8    reserved[2];
 392        }               version;
 393        __u16           command;
 394        __u16           status;
 395        __u32           reserved;
 396        struct {
 397                __u16   vendor_id;
 398                __u16   device_id;
 399                __u8    class_code[3];
 400                __u8    function;
 401                __u8    device;
 402                __u16   segment;
 403                __u8    bus;
 404                __u8    secondary_bus;
 405                __u16   slot;
 406                __u8    reserved;
 407        }               device_id;
 408        struct {
 409                __u32   lower;
 410                __u32   upper;
 411        }               serial_number;
 412        struct {
 413                __u16   secondary_status;
 414                __u16   control;
 415        }               bridge;
 416        __u8    capability[60];
 417        __u8    aer_info[96];
 418};
 419
 420/* Reset to default packing */
 421#pragma pack()
 422
 423u64 cper_next_record_id(void);
 424const char *cper_severity_str(unsigned int);
 425const char *cper_mem_err_type_str(unsigned int);
 426void cper_print_bits(const char *prefix, unsigned int bits,
 427                     const char * const strs[], unsigned int strs_size);
 428void cper_mem_err_pack(const struct cper_sec_mem_err *,
 429                       struct cper_mem_err_compact *);
 430const char *cper_mem_err_unpack(struct trace_seq *,
 431                                struct cper_mem_err_compact *);
 432
 433#endif
 434