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  */
  50 enum {
  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
 264 struct 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
 283 struct 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 */
 299 struct 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 */
 318 struct 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 */
 325 struct 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 */
 336 struct 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 */
 344 struct 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
 367 struct 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
 385 struct 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
 423 u64 cper_next_record_id(void);
 424 const char *cper_severity_str(unsigned int);
 425 const char *cper_mem_err_type_str(unsigned int);
 426 void cper_print_bits(const char *prefix, unsigned int bits,
 427                      const char * const strs[], unsigned int strs_size);
 428 void cper_mem_err_pack(const struct cper_sec_mem_err *,
 429                        struct cper_mem_err_compact *);
 430 const char *cper_mem_err_unpack(struct trace_seq *,
 431                                 struct cper_mem_err_compact *);
 432
 433 #endif