arch/powerpc/include/asm/opal-api.h

   1 /*
   2  * OPAL API definitions.
   3  *
   4  * Copyright 2011-2015 IBM Corp.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the License, or (at your option) any later version.
  10  */
  11
  12 #ifndef __OPAL_API_H
  13 #define __OPAL_API_H
  14
  15 /****** OPAL APIs ******/
  16
  17 /* Return codes */
  18 #define OPAL_SUCCESS            0
  19 #define OPAL_PARAMETER          -1
  20 #define OPAL_BUSY               -2
  21 #define OPAL_PARTIAL            -3
  22 #define OPAL_CONSTRAINED        -4
  23 #define OPAL_CLOSED             -5
  24 #define OPAL_HARDWARE           -6
  25 #define OPAL_UNSUPPORTED        -7
  26 #define OPAL_PERMISSION         -8
  27 #define OPAL_NO_MEM             -9
  28 #define OPAL_RESOURCE           -10
  29 #define OPAL_INTERNAL_ERROR     -11
  30 #define OPAL_BUSY_EVENT         -12
  31 #define OPAL_HARDWARE_FROZEN    -13
  32 #define OPAL_WRONG_STATE        -14
  33 #define OPAL_ASYNC_COMPLETION   -15
  34 #define OPAL_EMPTY              -16
  35 #define OPAL_I2C_TIMEOUT        -17
  36 #define OPAL_I2C_INVALID_CMD    -18
  37 #define OPAL_I2C_LBUS_PARITY    -19
  38 #define OPAL_I2C_BKEND_OVERRUN  -20
  39 #define OPAL_I2C_BKEND_ACCESS   -21
  40 #define OPAL_I2C_ARBT_LOST      -22
  41 #define OPAL_I2C_NACK_RCVD      -23
  42 #define OPAL_I2C_STOP_ERR       -24
  43
  44 /* API Tokens (in r0) */
  45 #define OPAL_INVALID_CALL                      -1
  46 #define OPAL_TEST                               0
  47 #define OPAL_CONSOLE_WRITE                      1
  48 #define OPAL_CONSOLE_READ                       2
  49 #define OPAL_RTC_READ                           3
  50 #define OPAL_RTC_WRITE                          4
  51 #define OPAL_CEC_POWER_DOWN                     5
  52 #define OPAL_CEC_REBOOT                         6
  53 #define OPAL_READ_NVRAM                         7
  54 #define OPAL_WRITE_NVRAM                        8
  55 #define OPAL_HANDLE_INTERRUPT                   9
  56 #define OPAL_POLL_EVENTS                        10
  57 #define OPAL_PCI_SET_HUB_TCE_MEMORY             11
  58 #define OPAL_PCI_SET_PHB_TCE_MEMORY             12
  59 #define OPAL_PCI_CONFIG_READ_BYTE               13
  60 #define OPAL_PCI_CONFIG_READ_HALF_WORD          14
  61 #define OPAL_PCI_CONFIG_READ_WORD               15
  62 #define OPAL_PCI_CONFIG_WRITE_BYTE              16
  63 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD         17
  64 #define OPAL_PCI_CONFIG_WRITE_WORD              18
  65 #define OPAL_SET_XIVE                           19
  66 #define OPAL_GET_XIVE                           20
  67 #define OPAL_GET_COMPLETION_TOKEN_STATUS        21 /* obsolete */
  68 #define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER    22
  69 #define OPAL_PCI_EEH_FREEZE_STATUS              23
  70 #define OPAL_PCI_SHPC                           24
  71 #define OPAL_CONSOLE_WRITE_BUFFER_SPACE         25
  72 #define OPAL_PCI_EEH_FREEZE_CLEAR               26
  73 #define OPAL_PCI_PHB_MMIO_ENABLE                27
  74 #define OPAL_PCI_SET_PHB_MEM_WINDOW             28
  75 #define OPAL_PCI_MAP_PE_MMIO_WINDOW             29
  76 #define OPAL_PCI_SET_PHB_TABLE_MEMORY           30
  77 #define OPAL_PCI_SET_PE                         31
  78 #define OPAL_PCI_SET_PELTV                      32
  79 #define OPAL_PCI_SET_MVE                        33
  80 #define OPAL_PCI_SET_MVE_ENABLE                 34
  81 #define OPAL_PCI_GET_XIVE_REISSUE               35
  82 #define OPAL_PCI_SET_XIVE_REISSUE               36
  83 #define OPAL_PCI_SET_XIVE_PE                    37
  84 #define OPAL_GET_XIVE_SOURCE                    38
  85 #define OPAL_GET_MSI_32                         39
  86 #define OPAL_GET_MSI_64                         40
  87 #define OPAL_START_CPU                          41
  88 #define OPAL_QUERY_CPU_STATUS                   42
  89 #define OPAL_WRITE_OPPANEL                      43 /* unimplemented */
  90 #define OPAL_PCI_MAP_PE_DMA_WINDOW              44
  91 #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL         45
  92 #define OPAL_PCI_RESET                          49
  93 #define OPAL_PCI_GET_HUB_DIAG_DATA              50
  94 #define OPAL_PCI_GET_PHB_DIAG_DATA              51
  95 #define OPAL_PCI_FENCE_PHB                      52
  96 #define OPAL_PCI_REINIT                         53
  97 #define OPAL_PCI_MASK_PE_ERROR                  54
  98 #define OPAL_SET_SLOT_LED_STATUS                55
  99 #define OPAL_GET_EPOW_STATUS                    56
 100 #define OPAL_SET_SYSTEM_ATTENTION_LED           57
 101 #define OPAL_RESERVED1                          58
 102 #define OPAL_RESERVED2                          59
 103 #define OPAL_PCI_NEXT_ERROR                     60
 104 #define OPAL_PCI_EEH_FREEZE_STATUS2             61
 105 #define OPAL_PCI_POLL                           62
 106 #define OPAL_PCI_MSI_EOI                        63
 107 #define OPAL_PCI_GET_PHB_DIAG_DATA2             64
 108 #define OPAL_XSCOM_READ                         65
 109 #define OPAL_XSCOM_WRITE                        66
 110 #define OPAL_LPC_READ                           67
 111 #define OPAL_LPC_WRITE                          68
 112 #define OPAL_RETURN_CPU                         69
 113 #define OPAL_REINIT_CPUS                        70
 114 #define OPAL_ELOG_READ                          71
 115 #define OPAL_ELOG_WRITE                         72
 116 #define OPAL_ELOG_ACK                           73
 117 #define OPAL_ELOG_RESEND                        74
 118 #define OPAL_ELOG_SIZE                          75
 119 #define OPAL_FLASH_VALIDATE                     76
 120 #define OPAL_FLASH_MANAGE                       77
 121 #define OPAL_FLASH_UPDATE                       78
 122 #define OPAL_RESYNC_TIMEBASE                    79
 123 #define OPAL_CHECK_TOKEN                        80
 124 #define OPAL_DUMP_INIT                          81
 125 #define OPAL_DUMP_INFO                          82
 126 #define OPAL_DUMP_READ                          83
 127 #define OPAL_DUMP_ACK                           84
 128 #define OPAL_GET_MSG                            85
 129 #define OPAL_CHECK_ASYNC_COMPLETION             86
 130 #define OPAL_SYNC_HOST_REBOOT                   87
 131 #define OPAL_SENSOR_READ                        88
 132 #define OPAL_GET_PARAM                          89
 133 #define OPAL_SET_PARAM                          90
 134 #define OPAL_DUMP_RESEND                        91
 135 #define OPAL_ELOG_SEND                          92      /* Deprecated */
 136 #define OPAL_PCI_SET_PHB_CAPI_MODE              93
 137 #define OPAL_DUMP_INFO2                         94
 138 #define OPAL_WRITE_OPPANEL_ASYNC                95
 139 #define OPAL_PCI_ERR_INJECT                     96
 140 #define OPAL_PCI_EEH_FREEZE_SET                 97
 141 #define OPAL_HANDLE_HMI                         98
 142 #define OPAL_CONFIG_CPU_IDLE_STATE              99
 143 #define OPAL_SLW_SET_REG                        100
 144 #define OPAL_REGISTER_DUMP_REGION               101
 145 #define OPAL_UNREGISTER_DUMP_REGION             102
 146 #define OPAL_WRITE_TPO                          103
 147 #define OPAL_READ_TPO                           104
 148 #define OPAL_GET_DPO_STATUS                     105
 149 #define OPAL_OLD_I2C_REQUEST                    106     /* Deprecated */
 150 #define OPAL_IPMI_SEND                          107
 151 #define OPAL_IPMI_RECV                          108
 152 #define OPAL_I2C_REQUEST                        109
 153 #define OPAL_FLASH_READ                         110
 154 #define OPAL_FLASH_WRITE                        111
 155 #define OPAL_FLASH_ERASE                        112
 156 #define OPAL_PRD_MSG                            113
 157 #define OPAL_LAST                               113
 158
 159 /* Device tree flags */
 160
 161 /* Flags set in power-mgmt nodes in device tree if
 162  * respective idle states are supported in the platform.
 163  */
 164 #define OPAL_PM_NAP_ENABLED             0x00010000
 165 #define OPAL_PM_SLEEP_ENABLED           0x00020000
 166 #define OPAL_PM_WINKLE_ENABLED          0x00040000
 167 #define OPAL_PM_SLEEP_ENABLED_ER1       0x00080000 /* with workaround */
 168
 169 /*
 170  * OPAL_CONFIG_CPU_IDLE_STATE parameters
 171  */
 172 #define OPAL_CONFIG_IDLE_FASTSLEEP      1
 173 #define OPAL_CONFIG_IDLE_UNDO           0
 174 #define OPAL_CONFIG_IDLE_APPLY          1
 175
 176 #ifndef __ASSEMBLY__
 177
 178 /* Other enums */
 179 enum OpalFreezeState {
 180         OPAL_EEH_STOPPED_NOT_FROZEN = 0,
 181         OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
 182         OPAL_EEH_STOPPED_DMA_FREEZE = 2,
 183         OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
 184         OPAL_EEH_STOPPED_RESET = 4,
 185         OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
 186         OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
 187 };
 188
 189 enum OpalEehFreezeActionToken {
 190         OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
 191         OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
 192         OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
 193
 194         OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
 195         OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
 196         OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
 197 };
 198
 199 enum OpalPciStatusToken {
 200         OPAL_EEH_NO_ERROR       = 0,
 201         OPAL_EEH_IOC_ERROR      = 1,
 202         OPAL_EEH_PHB_ERROR      = 2,
 203         OPAL_EEH_PE_ERROR       = 3,
 204         OPAL_EEH_PE_MMIO_ERROR  = 4,
 205         OPAL_EEH_PE_DMA_ERROR   = 5
 206 };
 207
 208 enum OpalPciErrorSeverity {
 209         OPAL_EEH_SEV_NO_ERROR   = 0,
 210         OPAL_EEH_SEV_IOC_DEAD   = 1,
 211         OPAL_EEH_SEV_PHB_DEAD   = 2,
 212         OPAL_EEH_SEV_PHB_FENCED = 3,
 213         OPAL_EEH_SEV_PE_ER      = 4,
 214         OPAL_EEH_SEV_INF        = 5
 215 };
 216
 217 enum OpalErrinjectType {
 218         OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR        = 0,
 219         OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64      = 1,
 220 };
 221
 222 enum OpalErrinjectFunc {
 223         /* IOA bus specific errors */
 224         OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR    = 0,
 225         OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA    = 1,
 226         OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR     = 2,
 227         OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA     = 3,
 228         OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR    = 4,
 229         OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA    = 5,
 230         OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR    = 6,
 231         OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA    = 7,
 232         OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR     = 8,
 233         OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA     = 9,
 234         OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR    = 10,
 235         OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA    = 11,
 236         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR    = 12,
 237         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA    = 13,
 238         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER  = 14,
 239         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET  = 15,
 240         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR    = 16,
 241         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA    = 17,
 242         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER  = 18,
 243         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET  = 19,
 244 };
 245
 246 enum OpalMmioWindowType {
 247         OPAL_M32_WINDOW_TYPE = 1,
 248         OPAL_M64_WINDOW_TYPE = 2,
 249         OPAL_IO_WINDOW_TYPE  = 3
 250 };
 251
 252 enum OpalExceptionHandler {
 253         OPAL_MACHINE_CHECK_HANDLER          = 1,
 254         OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
 255         OPAL_SOFTPATCH_HANDLER              = 3
 256 };
 257
 258 enum OpalPendingState {
 259         OPAL_EVENT_OPAL_INTERNAL   = 0x1,
 260         OPAL_EVENT_NVRAM           = 0x2,
 261         OPAL_EVENT_RTC             = 0x4,
 262         OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
 263         OPAL_EVENT_CONSOLE_INPUT   = 0x10,
 264         OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
 265         OPAL_EVENT_ERROR_LOG       = 0x40,
 266         OPAL_EVENT_EPOW            = 0x80,
 267         OPAL_EVENT_LED_STATUS      = 0x100,
 268         OPAL_EVENT_PCI_ERROR       = 0x200,
 269         OPAL_EVENT_DUMP_AVAIL      = 0x400,
 270         OPAL_EVENT_MSG_PENDING     = 0x800,
 271 };
 272
 273 enum OpalThreadStatus {
 274         OPAL_THREAD_INACTIVE = 0x0,
 275         OPAL_THREAD_STARTED = 0x1,
 276         OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
 277 };
 278
 279 enum OpalPciBusCompare {
 280         OpalPciBusAny   = 0,    /* Any bus number match */
 281         OpalPciBus3Bits = 2,    /* Match top 3 bits of bus number */
 282         OpalPciBus4Bits = 3,    /* Match top 4 bits of bus number */
 283         OpalPciBus5Bits = 4,    /* Match top 5 bits of bus number */
 284         OpalPciBus6Bits = 5,    /* Match top 6 bits of bus number */
 285         OpalPciBus7Bits = 6,    /* Match top 7 bits of bus number */
 286         OpalPciBusAll   = 7,    /* Match bus number exactly */
 287 };
 288
 289 enum OpalDeviceCompare {
 290         OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
 291         OPAL_COMPARE_RID_DEVICE_NUMBER = 1
 292 };
 293
 294 enum OpalFuncCompare {
 295         OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
 296         OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
 297 };
 298
 299 enum OpalPeAction {
 300         OPAL_UNMAP_PE = 0,
 301         OPAL_MAP_PE = 1
 302 };
 303
 304 enum OpalPeltvAction {
 305         OPAL_REMOVE_PE_FROM_DOMAIN = 0,
 306         OPAL_ADD_PE_TO_DOMAIN = 1
 307 };
 308
 309 enum OpalMveEnableAction {
 310         OPAL_DISABLE_MVE = 0,
 311         OPAL_ENABLE_MVE = 1
 312 };
 313
 314 enum OpalM64Action {
 315         OPAL_DISABLE_M64 = 0,
 316         OPAL_ENABLE_M64_SPLIT = 1,
 317         OPAL_ENABLE_M64_NON_SPLIT = 2
 318 };
 319
 320 enum OpalPciResetScope {
 321         OPAL_RESET_PHB_COMPLETE         = 1,
 322         OPAL_RESET_PCI_LINK             = 2,
 323         OPAL_RESET_PHB_ERROR            = 3,
 324         OPAL_RESET_PCI_HOT              = 4,
 325         OPAL_RESET_PCI_FUNDAMENTAL      = 5,
 326         OPAL_RESET_PCI_IODA_TABLE       = 6
 327 };
 328
 329 enum OpalPciReinitScope {
 330         /*
 331          * Note: we chose values that do not overlap
 332          * OpalPciResetScope as OPAL v2 used the same
 333          * enum for both
 334          */
 335         OPAL_REINIT_PCI_DEV = 1000
 336 };
 337
 338 enum OpalPciResetState {
 339         OPAL_DEASSERT_RESET = 0,
 340         OPAL_ASSERT_RESET   = 1
 341 };
 342
 343 /*
 344  * Address cycle types for LPC accesses. These also correspond
 345  * to the content of the first cell of the "reg" property for
 346  * device nodes on the LPC bus
 347  */
 348 enum OpalLPCAddressType {
 349         OPAL_LPC_MEM    = 0,
 350         OPAL_LPC_IO     = 1,
 351         OPAL_LPC_FW     = 2,
 352 };
 353
 354 enum opal_msg_type {
 355         OPAL_MSG_ASYNC_COMP = 0,        /* params[0] = token, params[1] = rc,
 356                                          * additional params function-specific
 357                                          */
 358         OPAL_MSG_MEM_ERR,
 359         OPAL_MSG_EPOW,
 360         OPAL_MSG_SHUTDOWN,              /* params[0] = 1 reboot, 0 shutdown */
 361         OPAL_MSG_HMI_EVT,
 362         OPAL_MSG_DPO,
 363         OPAL_MSG_PRD,
 364         OPAL_MSG_TYPE_MAX,
 365 };
 366
 367 struct opal_msg {
 368         __be32 msg_type;
 369         __be32 reserved;
 370         __be64 params[8];
 371 };
 372
 373 /* System parameter permission */
 374 enum OpalSysparamPerm {
 375         OPAL_SYSPARAM_READ  = 0x1,
 376         OPAL_SYSPARAM_WRITE = 0x2,
 377         OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
 378 };
 379
 380 enum {
 381         OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
 382 };
 383
 384 struct opal_ipmi_msg {
 385         uint8_t version;
 386         uint8_t netfn;
 387         uint8_t cmd;
 388         uint8_t data[];
 389 };
 390
 391 /* FSP memory errors handling */
 392 enum OpalMemErr_Version {
 393         OpalMemErr_V1 = 1,
 394 };
 395
 396 enum OpalMemErrType {
 397         OPAL_MEM_ERR_TYPE_RESILIENCE    = 0,
 398         OPAL_MEM_ERR_TYPE_DYN_DALLOC,
 399 };
 400
 401 /* Memory Reilience error type */
 402 enum OpalMemErr_ResilErrType {
 403         OPAL_MEM_RESILIENCE_CE          = 0,
 404         OPAL_MEM_RESILIENCE_UE,
 405         OPAL_MEM_RESILIENCE_UE_SCRUB,
 406 };
 407
 408 /* Dynamic Memory Deallocation type */
 409 enum OpalMemErr_DynErrType {
 410         OPAL_MEM_DYNAMIC_DEALLOC        = 0,
 411 };
 412
 413 struct OpalMemoryErrorData {
 414         enum OpalMemErr_Version version:8;      /* 0x00 */
 415         enum OpalMemErrType     type:8;         /* 0x01 */
 416         __be16                  flags;          /* 0x02 */
 417         uint8_t                 reserved_1[4];  /* 0x04 */
 418
 419         union {
 420                 /* Memory Resilience corrected/uncorrected error info */
 421                 struct {
 422                         enum OpalMemErr_ResilErrType    resil_err_type:8;
 423                         uint8_t                         reserved_1[7];
 424                         __be64                          physical_address_start;
 425                         __be64                          physical_address_end;
 426                 } resilience;
 427                 /* Dynamic memory deallocation error info */
 428                 struct {
 429                         enum OpalMemErr_DynErrType      dyn_err_type:8;
 430                         uint8_t                         reserved_1[7];
 431                         __be64                          physical_address_start;
 432                         __be64                          physical_address_end;
 433                 } dyn_dealloc;
 434         } u;
 435 };
 436
 437 /* HMI interrupt event */
 438 enum OpalHMI_Version {
 439         OpalHMIEvt_V1 = 1,
 440 };
 441
 442 enum OpalHMI_Severity {
 443         OpalHMI_SEV_NO_ERROR = 0,
 444         OpalHMI_SEV_WARNING = 1,
 445         OpalHMI_SEV_ERROR_SYNC = 2,
 446         OpalHMI_SEV_FATAL = 3,
 447 };
 448
 449 enum OpalHMI_Disposition {
 450         OpalHMI_DISPOSITION_RECOVERED = 0,
 451         OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
 452 };
 453
 454 enum OpalHMI_ErrType {
 455         OpalHMI_ERROR_MALFUNC_ALERT     = 0,
 456         OpalHMI_ERROR_PROC_RECOV_DONE,
 457         OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
 458         OpalHMI_ERROR_PROC_RECOV_MASKED,
 459         OpalHMI_ERROR_TFAC,
 460         OpalHMI_ERROR_TFMR_PARITY,
 461         OpalHMI_ERROR_HA_OVERFLOW_WARN,
 462         OpalHMI_ERROR_XSCOM_FAIL,
 463         OpalHMI_ERROR_XSCOM_DONE,
 464         OpalHMI_ERROR_SCOM_FIR,
 465         OpalHMI_ERROR_DEBUG_TRIG_FIR,
 466         OpalHMI_ERROR_HYP_RESOURCE,
 467         OpalHMI_ERROR_CAPP_RECOVERY,
 468 };
 469
 470 struct OpalHMIEvent {
 471         uint8_t         version;        /* 0x00 */
 472         uint8_t         severity;       /* 0x01 */
 473         uint8_t         type;           /* 0x02 */
 474         uint8_t         disposition;    /* 0x03 */
 475         uint8_t         reserved_1[4];  /* 0x04 */
 476
 477         __be64          hmer;
 478         /* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
 479         __be64          tfmr;
 480 };
 481
 482 enum {
 483         OPAL_P7IOC_DIAG_TYPE_NONE       = 0,
 484         OPAL_P7IOC_DIAG_TYPE_RGC        = 1,
 485         OPAL_P7IOC_DIAG_TYPE_BI         = 2,
 486         OPAL_P7IOC_DIAG_TYPE_CI         = 3,
 487         OPAL_P7IOC_DIAG_TYPE_MISC       = 4,
 488         OPAL_P7IOC_DIAG_TYPE_I2C        = 5,
 489         OPAL_P7IOC_DIAG_TYPE_LAST       = 6
 490 };
 491
 492 struct OpalIoP7IOCErrorData {
 493         __be16 type;
 494
 495         /* GEM */
 496         __be64 gemXfir;
 497         __be64 gemRfir;
 498         __be64 gemRirqfir;
 499         __be64 gemMask;
 500         __be64 gemRwof;
 501
 502         /* LEM */
 503         __be64 lemFir;
 504         __be64 lemErrMask;
 505         __be64 lemAction0;
 506         __be64 lemAction1;
 507         __be64 lemWof;
 508
 509         union {
 510                 struct OpalIoP7IOCRgcErrorData {
 511                         __be64 rgcStatus;       /* 3E1C10 */
 512                         __be64 rgcLdcp;         /* 3E1C18 */
 513                 }rgc;
 514                 struct OpalIoP7IOCBiErrorData {
 515                         __be64 biLdcp0;         /* 3C0100, 3C0118 */
 516                         __be64 biLdcp1;         /* 3C0108, 3C0120 */
 517                         __be64 biLdcp2;         /* 3C0110, 3C0128 */
 518                         __be64 biFenceStatus;   /* 3C0130, 3C0130 */
 519
 520                         uint8_t biDownbound;    /* BI Downbound or Upbound */
 521                 }bi;
 522                 struct OpalIoP7IOCCiErrorData {
 523                         __be64 ciPortStatus;    /* 3Dn008 */
 524                         __be64 ciPortLdcp;      /* 3Dn010 */
 525
 526                         uint8_t ciPort;         /* Index of CI port: 0/1 */
 527                 }ci;
 528         };
 529 };
 530
 531 /**
 532  * This structure defines the overlay which will be used to store PHB error
 533  * data upon request.
 534  */
 535 enum {
 536         OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
 537 };
 538
 539 enum {
 540         OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
 541         OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2
 542 };
 543
 544 enum {
 545         OPAL_P7IOC_NUM_PEST_REGS = 128,
 546         OPAL_PHB3_NUM_PEST_REGS = 256
 547 };
 548
 549 struct OpalIoPhbErrorCommon {
 550         __be32 version;
 551         __be32 ioType;
 552         __be32 len;
 553 };
 554
 555 struct OpalIoP7IOCPhbErrorData {
 556         struct OpalIoPhbErrorCommon common;
 557
 558         __be32 brdgCtl;
 559
 560         // P7IOC utl regs
 561         __be32 portStatusReg;
 562         __be32 rootCmplxStatus;
 563         __be32 busAgentStatus;
 564
 565         // P7IOC cfg regs
 566         __be32 deviceStatus;
 567         __be32 slotStatus;
 568         __be32 linkStatus;
 569         __be32 devCmdStatus;
 570         __be32 devSecStatus;
 571
 572         // cfg AER regs
 573         __be32 rootErrorStatus;
 574         __be32 uncorrErrorStatus;
 575         __be32 corrErrorStatus;
 576         __be32 tlpHdr1;
 577         __be32 tlpHdr2;
 578         __be32 tlpHdr3;
 579         __be32 tlpHdr4;
 580         __be32 sourceId;
 581
 582         __be32 rsv3;
 583
 584         // Record data about the call to allocate a buffer.
 585         __be64 errorClass;
 586         __be64 correlator;
 587
 588         //P7IOC MMIO Error Regs
 589         __be64 p7iocPlssr;                // n120
 590         __be64 p7iocCsr;                  // n110
 591         __be64 lemFir;                    // nC00
 592         __be64 lemErrorMask;              // nC18
 593         __be64 lemWOF;                    // nC40
 594         __be64 phbErrorStatus;            // nC80
 595         __be64 phbFirstErrorStatus;       // nC88
 596         __be64 phbErrorLog0;              // nCC0
 597         __be64 phbErrorLog1;              // nCC8
 598         __be64 mmioErrorStatus;           // nD00
 599         __be64 mmioFirstErrorStatus;      // nD08
 600         __be64 mmioErrorLog0;             // nD40
 601         __be64 mmioErrorLog1;             // nD48
 602         __be64 dma0ErrorStatus;           // nD80
 603         __be64 dma0FirstErrorStatus;      // nD88
 604         __be64 dma0ErrorLog0;             // nDC0
 605         __be64 dma0ErrorLog1;             // nDC8
 606         __be64 dma1ErrorStatus;           // nE00
 607         __be64 dma1FirstErrorStatus;      // nE08
 608         __be64 dma1ErrorLog0;             // nE40
 609         __be64 dma1ErrorLog1;             // nE48
 610         __be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
 611         __be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
 612 };
 613
 614 struct OpalIoPhb3ErrorData {
 615         struct OpalIoPhbErrorCommon common;
 616
 617         __be32 brdgCtl;
 618
 619         /* PHB3 UTL regs */
 620         __be32 portStatusReg;
 621         __be32 rootCmplxStatus;
 622         __be32 busAgentStatus;
 623
 624         /* PHB3 cfg regs */
 625         __be32 deviceStatus;
 626         __be32 slotStatus;
 627         __be32 linkStatus;
 628         __be32 devCmdStatus;
 629         __be32 devSecStatus;
 630
 631         /* cfg AER regs */
 632         __be32 rootErrorStatus;
 633         __be32 uncorrErrorStatus;
 634         __be32 corrErrorStatus;
 635         __be32 tlpHdr1;
 636         __be32 tlpHdr2;
 637         __be32 tlpHdr3;
 638         __be32 tlpHdr4;
 639         __be32 sourceId;
 640
 641         __be32 rsv3;
 642
 643         /* Record data about the call to allocate a buffer */
 644         __be64 errorClass;
 645         __be64 correlator;
 646
 647         /* PHB3 MMIO Error Regs */
 648         __be64 nFir;                    /* 000 */
 649         __be64 nFirMask;                /* 003 */
 650         __be64 nFirWOF;         /* 008 */
 651         __be64 phbPlssr;                /* 120 */
 652         __be64 phbCsr;          /* 110 */
 653         __be64 lemFir;          /* C00 */
 654         __be64 lemErrorMask;            /* C18 */
 655         __be64 lemWOF;          /* C40 */
 656         __be64 phbErrorStatus;  /* C80 */
 657         __be64 phbFirstErrorStatus;     /* C88 */
 658         __be64 phbErrorLog0;            /* CC0 */
 659         __be64 phbErrorLog1;            /* CC8 */
 660         __be64 mmioErrorStatus; /* D00 */
 661         __be64 mmioFirstErrorStatus;    /* D08 */
 662         __be64 mmioErrorLog0;           /* D40 */
 663         __be64 mmioErrorLog1;           /* D48 */
 664         __be64 dma0ErrorStatus; /* D80 */
 665         __be64 dma0FirstErrorStatus;    /* D88 */
 666         __be64 dma0ErrorLog0;           /* DC0 */
 667         __be64 dma0ErrorLog1;           /* DC8 */
 668         __be64 dma1ErrorStatus; /* E00 */
 669         __be64 dma1FirstErrorStatus;    /* E08 */
 670         __be64 dma1ErrorLog0;           /* E40 */
 671         __be64 dma1ErrorLog1;           /* E48 */
 672         __be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
 673         __be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
 674 };
 675
 676 enum {
 677         OPAL_REINIT_CPUS_HILE_BE        = (1 << 0),
 678         OPAL_REINIT_CPUS_HILE_LE        = (1 << 1),
 679 };
 680
 681 typedef struct oppanel_line {
 682         __be64 line;
 683         __be64 line_len;
 684 } oppanel_line_t;
 685
 686 enum opal_prd_msg_type {
 687         OPAL_PRD_MSG_TYPE_INIT = 0,     /* HBRT --> OPAL */
 688         OPAL_PRD_MSG_TYPE_FINI,         /* HBRT/kernel --> OPAL */
 689         OPAL_PRD_MSG_TYPE_ATTN,         /* HBRT <-- OPAL */
 690         OPAL_PRD_MSG_TYPE_ATTN_ACK,     /* HBRT --> OPAL */
 691         OPAL_PRD_MSG_TYPE_OCC_ERROR,    /* HBRT <-- OPAL */
 692         OPAL_PRD_MSG_TYPE_OCC_RESET,    /* HBRT <-- OPAL */
 693 };
 694
 695 struct opal_prd_msg_header {
 696         uint8_t         type;
 697         uint8_t         pad[1];
 698         __be16          size;
 699 };
 700
 701 struct opal_prd_msg;
 702
 703 /*
 704  * SG entries
 705  *
 706  * WARNING: The current implementation requires each entry
 707  * to represent a block that is 4k aligned *and* each block
 708  * size except the last one in the list to be as well.
 709  */
 710 struct opal_sg_entry {
 711         __be64 data;
 712         __be64 length;
 713 };
 714
 715 /*
 716  * Candiate image SG list.
 717  *
 718  * length = VER | length
 719  */
 720 struct opal_sg_list {
 721         __be64 length;
 722         __be64 next;
 723         struct opal_sg_entry entry[];
 724 };
 725
 726 /*
 727  * Dump region ID range usable by the OS
 728  */
 729 #define OPAL_DUMP_REGION_HOST_START             0x80
 730 #define OPAL_DUMP_REGION_LOG_BUF                0x80
 731 #define OPAL_DUMP_REGION_HOST_END               0xFF
 732
 733 /* CAPI modes for PHB */
 734 enum {
 735         OPAL_PHB_CAPI_MODE_PCIE         = 0,
 736         OPAL_PHB_CAPI_MODE_CAPI         = 1,
 737         OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
 738         OPAL_PHB_CAPI_MODE_SNOOP_ON     = 3,
 739 };
 740
 741 /* OPAL I2C request */
 742 struct opal_i2c_request {
 743         uint8_t type;
 744 #define OPAL_I2C_RAW_READ       0
 745 #define OPAL_I2C_RAW_WRITE      1
 746 #define OPAL_I2C_SM_READ        2
 747 #define OPAL_I2C_SM_WRITE       3
 748         uint8_t flags;
 749 #define OPAL_I2C_ADDR_10        0x01    /* Not supported yet */
 750         uint8_t subaddr_sz;             /* Max 4 */
 751         uint8_t reserved;
 752         __be16 addr;                    /* 7 or 10 bit address */
 753         __be16 reserved2;
 754         __be32 subaddr;         /* Sub-address if any */
 755         __be32 size;                    /* Data size */
 756         __be64 buffer_ra;               /* Buffer real address */
 757 };
 758
 759 #endif /* __ASSEMBLY__ */
 760
 761 #endif /* __OPAL_API_H */