opal-api.h 31 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * OPAL API definitions.
  4. *
  5. * Copyright 2011-2015 IBM Corp.
  6. */
  7. #ifndef __OPAL_API_H
  8. #define __OPAL_API_H
  9. /****** OPAL APIs ******/
  10. /* Return codes */
  11. #define OPAL_SUCCESS 0
  12. #define OPAL_PARAMETER -1
  13. #define OPAL_BUSY -2
  14. #define OPAL_PARTIAL -3
  15. #define OPAL_CONSTRAINED -4
  16. #define OPAL_CLOSED -5
  17. #define OPAL_HARDWARE -6
  18. #define OPAL_UNSUPPORTED -7
  19. #define OPAL_PERMISSION -8
  20. #define OPAL_NO_MEM -9
  21. #define OPAL_RESOURCE -10
  22. #define OPAL_INTERNAL_ERROR -11
  23. #define OPAL_BUSY_EVENT -12
  24. #define OPAL_HARDWARE_FROZEN -13
  25. #define OPAL_WRONG_STATE -14
  26. #define OPAL_ASYNC_COMPLETION -15
  27. #define OPAL_EMPTY -16
  28. #define OPAL_I2C_TIMEOUT -17
  29. #define OPAL_I2C_INVALID_CMD -18
  30. #define OPAL_I2C_LBUS_PARITY -19
  31. #define OPAL_I2C_BKEND_OVERRUN -20
  32. #define OPAL_I2C_BKEND_ACCESS -21
  33. #define OPAL_I2C_ARBT_LOST -22
  34. #define OPAL_I2C_NACK_RCVD -23
  35. #define OPAL_I2C_STOP_ERR -24
  36. #define OPAL_XIVE_PROVISIONING -31
  37. #define OPAL_XIVE_FREE_ACTIVE -32
  38. #define OPAL_TIMEOUT -33
  39. /* API Tokens (in r0) */
  40. #define OPAL_INVALID_CALL -1
  41. #define OPAL_TEST 0
  42. #define OPAL_CONSOLE_WRITE 1
  43. #define OPAL_CONSOLE_READ 2
  44. #define OPAL_RTC_READ 3
  45. #define OPAL_RTC_WRITE 4
  46. #define OPAL_CEC_POWER_DOWN 5
  47. #define OPAL_CEC_REBOOT 6
  48. #define OPAL_READ_NVRAM 7
  49. #define OPAL_WRITE_NVRAM 8
  50. #define OPAL_HANDLE_INTERRUPT 9
  51. #define OPAL_POLL_EVENTS 10
  52. #define OPAL_PCI_SET_HUB_TCE_MEMORY 11
  53. #define OPAL_PCI_SET_PHB_TCE_MEMORY 12
  54. #define OPAL_PCI_CONFIG_READ_BYTE 13
  55. #define OPAL_PCI_CONFIG_READ_HALF_WORD 14
  56. #define OPAL_PCI_CONFIG_READ_WORD 15
  57. #define OPAL_PCI_CONFIG_WRITE_BYTE 16
  58. #define OPAL_PCI_CONFIG_WRITE_HALF_WORD 17
  59. #define OPAL_PCI_CONFIG_WRITE_WORD 18
  60. #define OPAL_SET_XIVE 19
  61. #define OPAL_GET_XIVE 20
  62. #define OPAL_GET_COMPLETION_TOKEN_STATUS 21 /* obsolete */
  63. #define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER 22
  64. #define OPAL_PCI_EEH_FREEZE_STATUS 23
  65. #define OPAL_PCI_SHPC 24
  66. #define OPAL_CONSOLE_WRITE_BUFFER_SPACE 25
  67. #define OPAL_PCI_EEH_FREEZE_CLEAR 26
  68. #define OPAL_PCI_PHB_MMIO_ENABLE 27
  69. #define OPAL_PCI_SET_PHB_MEM_WINDOW 28
  70. #define OPAL_PCI_MAP_PE_MMIO_WINDOW 29
  71. #define OPAL_PCI_SET_PHB_TABLE_MEMORY 30
  72. #define OPAL_PCI_SET_PE 31
  73. #define OPAL_PCI_SET_PELTV 32
  74. #define OPAL_PCI_SET_MVE 33
  75. #define OPAL_PCI_SET_MVE_ENABLE 34
  76. #define OPAL_PCI_GET_XIVE_REISSUE 35
  77. #define OPAL_PCI_SET_XIVE_REISSUE 36
  78. #define OPAL_PCI_SET_XIVE_PE 37
  79. #define OPAL_GET_XIVE_SOURCE 38
  80. #define OPAL_GET_MSI_32 39
  81. #define OPAL_GET_MSI_64 40
  82. #define OPAL_START_CPU 41
  83. #define OPAL_QUERY_CPU_STATUS 42
  84. #define OPAL_WRITE_OPPANEL 43 /* unimplemented */
  85. #define OPAL_PCI_MAP_PE_DMA_WINDOW 44
  86. #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL 45
  87. #define OPAL_PCI_RESET 49
  88. #define OPAL_PCI_GET_HUB_DIAG_DATA 50
  89. #define OPAL_PCI_GET_PHB_DIAG_DATA 51
  90. #define OPAL_PCI_FENCE_PHB 52
  91. #define OPAL_PCI_REINIT 53
  92. #define OPAL_PCI_MASK_PE_ERROR 54
  93. #define OPAL_SET_SLOT_LED_STATUS 55
  94. #define OPAL_GET_EPOW_STATUS 56
  95. #define OPAL_SET_SYSTEM_ATTENTION_LED 57
  96. #define OPAL_RESERVED1 58
  97. #define OPAL_RESERVED2 59
  98. #define OPAL_PCI_NEXT_ERROR 60
  99. #define OPAL_PCI_EEH_FREEZE_STATUS2 61
  100. #define OPAL_PCI_POLL 62
  101. #define OPAL_PCI_MSI_EOI 63
  102. #define OPAL_PCI_GET_PHB_DIAG_DATA2 64
  103. #define OPAL_XSCOM_READ 65
  104. #define OPAL_XSCOM_WRITE 66
  105. #define OPAL_LPC_READ 67
  106. #define OPAL_LPC_WRITE 68
  107. #define OPAL_RETURN_CPU 69
  108. #define OPAL_REINIT_CPUS 70
  109. #define OPAL_ELOG_READ 71
  110. #define OPAL_ELOG_WRITE 72
  111. #define OPAL_ELOG_ACK 73
  112. #define OPAL_ELOG_RESEND 74
  113. #define OPAL_ELOG_SIZE 75
  114. #define OPAL_FLASH_VALIDATE 76
  115. #define OPAL_FLASH_MANAGE 77
  116. #define OPAL_FLASH_UPDATE 78
  117. #define OPAL_RESYNC_TIMEBASE 79
  118. #define OPAL_CHECK_TOKEN 80
  119. #define OPAL_DUMP_INIT 81
  120. #define OPAL_DUMP_INFO 82
  121. #define OPAL_DUMP_READ 83
  122. #define OPAL_DUMP_ACK 84
  123. #define OPAL_GET_MSG 85
  124. #define OPAL_CHECK_ASYNC_COMPLETION 86
  125. #define OPAL_SYNC_HOST_REBOOT 87
  126. #define OPAL_SENSOR_READ 88
  127. #define OPAL_GET_PARAM 89
  128. #define OPAL_SET_PARAM 90
  129. #define OPAL_DUMP_RESEND 91
  130. #define OPAL_ELOG_SEND 92 /* Deprecated */
  131. #define OPAL_PCI_SET_PHB_CAPI_MODE 93
  132. #define OPAL_DUMP_INFO2 94
  133. #define OPAL_WRITE_OPPANEL_ASYNC 95
  134. #define OPAL_PCI_ERR_INJECT 96
  135. #define OPAL_PCI_EEH_FREEZE_SET 97
  136. #define OPAL_HANDLE_HMI 98
  137. #define OPAL_CONFIG_CPU_IDLE_STATE 99
  138. #define OPAL_SLW_SET_REG 100
  139. #define OPAL_REGISTER_DUMP_REGION 101
  140. #define OPAL_UNREGISTER_DUMP_REGION 102
  141. #define OPAL_WRITE_TPO 103
  142. #define OPAL_READ_TPO 104
  143. #define OPAL_GET_DPO_STATUS 105
  144. #define OPAL_OLD_I2C_REQUEST 106 /* Deprecated */
  145. #define OPAL_IPMI_SEND 107
  146. #define OPAL_IPMI_RECV 108
  147. #define OPAL_I2C_REQUEST 109
  148. #define OPAL_FLASH_READ 110
  149. #define OPAL_FLASH_WRITE 111
  150. #define OPAL_FLASH_ERASE 112
  151. #define OPAL_PRD_MSG 113
  152. #define OPAL_LEDS_GET_INDICATOR 114
  153. #define OPAL_LEDS_SET_INDICATOR 115
  154. #define OPAL_CEC_REBOOT2 116
  155. #define OPAL_CONSOLE_FLUSH 117
  156. #define OPAL_GET_DEVICE_TREE 118
  157. #define OPAL_PCI_GET_PRESENCE_STATE 119
  158. #define OPAL_PCI_GET_POWER_STATE 120
  159. #define OPAL_PCI_SET_POWER_STATE 121
  160. #define OPAL_INT_GET_XIRR 122
  161. #define OPAL_INT_SET_CPPR 123
  162. #define OPAL_INT_EOI 124
  163. #define OPAL_INT_SET_MFRR 125
  164. #define OPAL_PCI_TCE_KILL 126
  165. #define OPAL_NMMU_SET_PTCR 127
  166. #define OPAL_XIVE_RESET 128
  167. #define OPAL_XIVE_GET_IRQ_INFO 129
  168. #define OPAL_XIVE_GET_IRQ_CONFIG 130
  169. #define OPAL_XIVE_SET_IRQ_CONFIG 131
  170. #define OPAL_XIVE_GET_QUEUE_INFO 132
  171. #define OPAL_XIVE_SET_QUEUE_INFO 133
  172. #define OPAL_XIVE_DONATE_PAGE 134
  173. #define OPAL_XIVE_ALLOCATE_VP_BLOCK 135
  174. #define OPAL_XIVE_FREE_VP_BLOCK 136
  175. #define OPAL_XIVE_GET_VP_INFO 137
  176. #define OPAL_XIVE_SET_VP_INFO 138
  177. #define OPAL_XIVE_ALLOCATE_IRQ 139
  178. #define OPAL_XIVE_FREE_IRQ 140
  179. #define OPAL_XIVE_SYNC 141
  180. #define OPAL_XIVE_DUMP 142
  181. #define OPAL_XIVE_GET_QUEUE_STATE 143
  182. #define OPAL_XIVE_SET_QUEUE_STATE 144
  183. #define OPAL_SIGNAL_SYSTEM_RESET 145
  184. #define OPAL_NPU_INIT_CONTEXT 146
  185. #define OPAL_NPU_DESTROY_CONTEXT 147
  186. #define OPAL_NPU_MAP_LPAR 148
  187. #define OPAL_IMC_COUNTERS_INIT 149
  188. #define OPAL_IMC_COUNTERS_START 150
  189. #define OPAL_IMC_COUNTERS_STOP 151
  190. #define OPAL_GET_POWERCAP 152
  191. #define OPAL_SET_POWERCAP 153
  192. #define OPAL_GET_POWER_SHIFT_RATIO 154
  193. #define OPAL_SET_POWER_SHIFT_RATIO 155
  194. #define OPAL_SENSOR_GROUP_CLEAR 156
  195. #define OPAL_PCI_SET_P2P 157
  196. #define OPAL_QUIESCE 158
  197. #define OPAL_NPU_SPA_SETUP 159
  198. #define OPAL_NPU_SPA_CLEAR_CACHE 160
  199. #define OPAL_NPU_TL_SET 161
  200. #define OPAL_SENSOR_READ_U64 162
  201. #define OPAL_SENSOR_GROUP_ENABLE 163
  202. #define OPAL_PCI_GET_PBCQ_TUNNEL_BAR 164
  203. #define OPAL_PCI_SET_PBCQ_TUNNEL_BAR 165
  204. #define OPAL_HANDLE_HMI2 166
  205. #define OPAL_NX_COPROC_INIT 167
  206. #define OPAL_XIVE_GET_VP_STATE 170
  207. #define OPAL_MPIPL_UPDATE 173
  208. #define OPAL_MPIPL_REGISTER_TAG 174
  209. #define OPAL_MPIPL_QUERY_TAG 175
  210. #define OPAL_SECVAR_GET 176
  211. #define OPAL_SECVAR_GET_NEXT 177
  212. #define OPAL_SECVAR_ENQUEUE_UPDATE 178
  213. #define OPAL_LAST 178
  214. #define QUIESCE_HOLD 1 /* Spin all calls at entry */
  215. #define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */
  216. #define QUIESCE_LOCK_BREAK 3 /* Set to ignore locks. */
  217. #define QUIESCE_RESUME 4 /* Un-quiesce */
  218. #define QUIESCE_RESUME_FAST_REBOOT 5 /* Un-quiesce, fast reboot */
  219. /* Device tree flags */
  220. /*
  221. * Flags set in power-mgmt nodes in device tree describing
  222. * idle states that are supported in the platform.
  223. */
  224. #define OPAL_PM_TIMEBASE_STOP 0x00000002
  225. #define OPAL_PM_LOSE_HYP_CONTEXT 0x00002000
  226. #define OPAL_PM_LOSE_FULL_CONTEXT 0x00004000
  227. #define OPAL_PM_NAP_ENABLED 0x00010000
  228. #define OPAL_PM_SLEEP_ENABLED 0x00020000
  229. #define OPAL_PM_WINKLE_ENABLED 0x00040000
  230. #define OPAL_PM_SLEEP_ENABLED_ER1 0x00080000 /* with workaround */
  231. #define OPAL_PM_STOP_INST_FAST 0x00100000
  232. #define OPAL_PM_STOP_INST_DEEP 0x00200000
  233. /*
  234. * OPAL_CONFIG_CPU_IDLE_STATE parameters
  235. */
  236. #define OPAL_CONFIG_IDLE_FASTSLEEP 1
  237. #define OPAL_CONFIG_IDLE_UNDO 0
  238. #define OPAL_CONFIG_IDLE_APPLY 1
  239. #ifndef __ASSEMBLY__
  240. /* Other enums */
  241. enum OpalFreezeState {
  242. OPAL_EEH_STOPPED_NOT_FROZEN = 0,
  243. OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
  244. OPAL_EEH_STOPPED_DMA_FREEZE = 2,
  245. OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
  246. OPAL_EEH_STOPPED_RESET = 4,
  247. OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
  248. OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
  249. };
  250. enum OpalEehFreezeActionToken {
  251. OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
  252. OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
  253. OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
  254. OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
  255. OPAL_EEH_ACTION_SET_FREEZE_DMA = 2,
  256. OPAL_EEH_ACTION_SET_FREEZE_ALL = 3
  257. };
  258. enum OpalPciStatusToken {
  259. OPAL_EEH_NO_ERROR = 0,
  260. OPAL_EEH_IOC_ERROR = 1,
  261. OPAL_EEH_PHB_ERROR = 2,
  262. OPAL_EEH_PE_ERROR = 3,
  263. OPAL_EEH_PE_MMIO_ERROR = 4,
  264. OPAL_EEH_PE_DMA_ERROR = 5
  265. };
  266. enum OpalPciErrorSeverity {
  267. OPAL_EEH_SEV_NO_ERROR = 0,
  268. OPAL_EEH_SEV_IOC_DEAD = 1,
  269. OPAL_EEH_SEV_PHB_DEAD = 2,
  270. OPAL_EEH_SEV_PHB_FENCED = 3,
  271. OPAL_EEH_SEV_PE_ER = 4,
  272. OPAL_EEH_SEV_INF = 5
  273. };
  274. enum OpalErrinjectType {
  275. OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR = 0,
  276. OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64 = 1,
  277. };
  278. enum OpalErrinjectFunc {
  279. /* IOA bus specific errors */
  280. OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR = 0,
  281. OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA = 1,
  282. OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR = 2,
  283. OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA = 3,
  284. OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR = 4,
  285. OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA = 5,
  286. OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR = 6,
  287. OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA = 7,
  288. OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR = 8,
  289. OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA = 9,
  290. OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR = 10,
  291. OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA = 11,
  292. OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR = 12,
  293. OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA = 13,
  294. OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER = 14,
  295. OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET = 15,
  296. OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR = 16,
  297. OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA = 17,
  298. OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER = 18,
  299. OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET = 19,
  300. };
  301. enum OpalMmioWindowType {
  302. OPAL_M32_WINDOW_TYPE = 1,
  303. OPAL_M64_WINDOW_TYPE = 2,
  304. OPAL_IO_WINDOW_TYPE = 3
  305. };
  306. enum OpalExceptionHandler {
  307. OPAL_MACHINE_CHECK_HANDLER = 1,
  308. OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
  309. OPAL_SOFTPATCH_HANDLER = 3
  310. };
  311. enum OpalPendingState {
  312. OPAL_EVENT_OPAL_INTERNAL = 0x1,
  313. OPAL_EVENT_NVRAM = 0x2,
  314. OPAL_EVENT_RTC = 0x4,
  315. OPAL_EVENT_CONSOLE_OUTPUT = 0x8,
  316. OPAL_EVENT_CONSOLE_INPUT = 0x10,
  317. OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
  318. OPAL_EVENT_ERROR_LOG = 0x40,
  319. OPAL_EVENT_EPOW = 0x80,
  320. OPAL_EVENT_LED_STATUS = 0x100,
  321. OPAL_EVENT_PCI_ERROR = 0x200,
  322. OPAL_EVENT_DUMP_AVAIL = 0x400,
  323. OPAL_EVENT_MSG_PENDING = 0x800,
  324. };
  325. enum OpalThreadStatus {
  326. OPAL_THREAD_INACTIVE = 0x0,
  327. OPAL_THREAD_STARTED = 0x1,
  328. OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
  329. };
  330. enum OpalPciBusCompare {
  331. OpalPciBusAny = 0, /* Any bus number match */
  332. OpalPciBus3Bits = 2, /* Match top 3 bits of bus number */
  333. OpalPciBus4Bits = 3, /* Match top 4 bits of bus number */
  334. OpalPciBus5Bits = 4, /* Match top 5 bits of bus number */
  335. OpalPciBus6Bits = 5, /* Match top 6 bits of bus number */
  336. OpalPciBus7Bits = 6, /* Match top 7 bits of bus number */
  337. OpalPciBusAll = 7, /* Match bus number exactly */
  338. };
  339. enum OpalDeviceCompare {
  340. OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
  341. OPAL_COMPARE_RID_DEVICE_NUMBER = 1
  342. };
  343. enum OpalFuncCompare {
  344. OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
  345. OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
  346. };
  347. enum OpalPeAction {
  348. OPAL_UNMAP_PE = 0,
  349. OPAL_MAP_PE = 1
  350. };
  351. enum OpalPeltvAction {
  352. OPAL_REMOVE_PE_FROM_DOMAIN = 0,
  353. OPAL_ADD_PE_TO_DOMAIN = 1
  354. };
  355. enum OpalMveEnableAction {
  356. OPAL_DISABLE_MVE = 0,
  357. OPAL_ENABLE_MVE = 1
  358. };
  359. enum OpalM64Action {
  360. OPAL_DISABLE_M64 = 0,
  361. OPAL_ENABLE_M64_SPLIT = 1,
  362. OPAL_ENABLE_M64_NON_SPLIT = 2
  363. };
  364. enum OpalPciResetScope {
  365. OPAL_RESET_PHB_COMPLETE = 1,
  366. OPAL_RESET_PCI_LINK = 2,
  367. OPAL_RESET_PHB_ERROR = 3,
  368. OPAL_RESET_PCI_HOT = 4,
  369. OPAL_RESET_PCI_FUNDAMENTAL = 5,
  370. OPAL_RESET_PCI_IODA_TABLE = 6
  371. };
  372. enum OpalPciReinitScope {
  373. /*
  374. * Note: we chose values that do not overlap
  375. * OpalPciResetScope as OPAL v2 used the same
  376. * enum for both
  377. */
  378. OPAL_REINIT_PCI_DEV = 1000
  379. };
  380. enum OpalPciResetState {
  381. OPAL_DEASSERT_RESET = 0,
  382. OPAL_ASSERT_RESET = 1
  383. };
  384. enum OpalPciSlotPresence {
  385. OPAL_PCI_SLOT_EMPTY = 0,
  386. OPAL_PCI_SLOT_PRESENT = 1
  387. };
  388. enum OpalPciSlotPower {
  389. OPAL_PCI_SLOT_POWER_OFF = 0,
  390. OPAL_PCI_SLOT_POWER_ON = 1,
  391. OPAL_PCI_SLOT_OFFLINE = 2,
  392. OPAL_PCI_SLOT_ONLINE = 3
  393. };
  394. enum OpalSlotLedType {
  395. OPAL_SLOT_LED_TYPE_ID = 0, /* IDENTIFY LED */
  396. OPAL_SLOT_LED_TYPE_FAULT = 1, /* FAULT LED */
  397. OPAL_SLOT_LED_TYPE_ATTN = 2, /* System Attention LED */
  398. OPAL_SLOT_LED_TYPE_MAX = 3
  399. };
  400. enum OpalSlotLedState {
  401. OPAL_SLOT_LED_STATE_OFF = 0, /* LED is OFF */
  402. OPAL_SLOT_LED_STATE_ON = 1 /* LED is ON */
  403. };
  404. /*
  405. * Address cycle types for LPC accesses. These also correspond
  406. * to the content of the first cell of the "reg" property for
  407. * device nodes on the LPC bus
  408. */
  409. enum OpalLPCAddressType {
  410. OPAL_LPC_MEM = 0,
  411. OPAL_LPC_IO = 1,
  412. OPAL_LPC_FW = 2,
  413. };
  414. enum opal_msg_type {
  415. OPAL_MSG_ASYNC_COMP = 0, /* params[0] = token, params[1] = rc,
  416. * additional params function-specific
  417. */
  418. OPAL_MSG_MEM_ERR = 1,
  419. OPAL_MSG_EPOW = 2,
  420. OPAL_MSG_SHUTDOWN = 3, /* params[0] = 1 reboot, 0 shutdown */
  421. OPAL_MSG_HMI_EVT = 4,
  422. OPAL_MSG_DPO = 5,
  423. OPAL_MSG_PRD = 6,
  424. OPAL_MSG_OCC = 7,
  425. OPAL_MSG_PRD2 = 8,
  426. OPAL_MSG_TYPE_MAX,
  427. };
  428. struct opal_msg {
  429. __be32 msg_type;
  430. __be32 reserved;
  431. __be64 params[8];
  432. };
  433. /* System parameter permission */
  434. enum OpalSysparamPerm {
  435. OPAL_SYSPARAM_READ = 0x1,
  436. OPAL_SYSPARAM_WRITE = 0x2,
  437. OPAL_SYSPARAM_RW = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
  438. };
  439. enum {
  440. OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
  441. };
  442. struct opal_ipmi_msg {
  443. uint8_t version;
  444. uint8_t netfn;
  445. uint8_t cmd;
  446. uint8_t data[];
  447. };
  448. /* FSP memory errors handling */
  449. enum OpalMemErr_Version {
  450. OpalMemErr_V1 = 1,
  451. };
  452. enum OpalMemErrType {
  453. OPAL_MEM_ERR_TYPE_RESILIENCE = 0,
  454. OPAL_MEM_ERR_TYPE_DYN_DALLOC,
  455. };
  456. /* Memory Reilience error type */
  457. enum OpalMemErr_ResilErrType {
  458. OPAL_MEM_RESILIENCE_CE = 0,
  459. OPAL_MEM_RESILIENCE_UE,
  460. OPAL_MEM_RESILIENCE_UE_SCRUB,
  461. };
  462. /* Dynamic Memory Deallocation type */
  463. enum OpalMemErr_DynErrType {
  464. OPAL_MEM_DYNAMIC_DEALLOC = 0,
  465. };
  466. struct OpalMemoryErrorData {
  467. enum OpalMemErr_Version version:8; /* 0x00 */
  468. enum OpalMemErrType type:8; /* 0x01 */
  469. __be16 flags; /* 0x02 */
  470. uint8_t reserved_1[4]; /* 0x04 */
  471. union {
  472. /* Memory Resilience corrected/uncorrected error info */
  473. struct {
  474. enum OpalMemErr_ResilErrType resil_err_type:8;
  475. uint8_t reserved_1[7];
  476. __be64 physical_address_start;
  477. __be64 physical_address_end;
  478. } resilience;
  479. /* Dynamic memory deallocation error info */
  480. struct {
  481. enum OpalMemErr_DynErrType dyn_err_type:8;
  482. uint8_t reserved_1[7];
  483. __be64 physical_address_start;
  484. __be64 physical_address_end;
  485. } dyn_dealloc;
  486. } u;
  487. };
  488. /* HMI interrupt event */
  489. enum OpalHMI_Version {
  490. OpalHMIEvt_V1 = 1,
  491. OpalHMIEvt_V2 = 2,
  492. };
  493. enum OpalHMI_Severity {
  494. OpalHMI_SEV_NO_ERROR = 0,
  495. OpalHMI_SEV_WARNING = 1,
  496. OpalHMI_SEV_ERROR_SYNC = 2,
  497. OpalHMI_SEV_FATAL = 3,
  498. };
  499. enum OpalHMI_Disposition {
  500. OpalHMI_DISPOSITION_RECOVERED = 0,
  501. OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
  502. };
  503. enum OpalHMI_ErrType {
  504. OpalHMI_ERROR_MALFUNC_ALERT = 0,
  505. OpalHMI_ERROR_PROC_RECOV_DONE,
  506. OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
  507. OpalHMI_ERROR_PROC_RECOV_MASKED,
  508. OpalHMI_ERROR_TFAC,
  509. OpalHMI_ERROR_TFMR_PARITY,
  510. OpalHMI_ERROR_HA_OVERFLOW_WARN,
  511. OpalHMI_ERROR_XSCOM_FAIL,
  512. OpalHMI_ERROR_XSCOM_DONE,
  513. OpalHMI_ERROR_SCOM_FIR,
  514. OpalHMI_ERROR_DEBUG_TRIG_FIR,
  515. OpalHMI_ERROR_HYP_RESOURCE,
  516. OpalHMI_ERROR_CAPP_RECOVERY,
  517. };
  518. enum OpalHMI_XstopType {
  519. CHECKSTOP_TYPE_UNKNOWN = 0,
  520. CHECKSTOP_TYPE_CORE = 1,
  521. CHECKSTOP_TYPE_NX = 2,
  522. CHECKSTOP_TYPE_NPU = 3
  523. };
  524. enum OpalHMI_CoreXstopReason {
  525. CORE_CHECKSTOP_IFU_REGFILE = 0x00000001,
  526. CORE_CHECKSTOP_IFU_LOGIC = 0x00000002,
  527. CORE_CHECKSTOP_PC_DURING_RECOV = 0x00000004,
  528. CORE_CHECKSTOP_ISU_REGFILE = 0x00000008,
  529. CORE_CHECKSTOP_ISU_LOGIC = 0x00000010,
  530. CORE_CHECKSTOP_FXU_LOGIC = 0x00000020,
  531. CORE_CHECKSTOP_VSU_LOGIC = 0x00000040,
  532. CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE = 0x00000080,
  533. CORE_CHECKSTOP_LSU_REGFILE = 0x00000100,
  534. CORE_CHECKSTOP_PC_FWD_PROGRESS = 0x00000200,
  535. CORE_CHECKSTOP_LSU_LOGIC = 0x00000400,
  536. CORE_CHECKSTOP_PC_LOGIC = 0x00000800,
  537. CORE_CHECKSTOP_PC_HYP_RESOURCE = 0x00001000,
  538. CORE_CHECKSTOP_PC_HANG_RECOV_FAILED = 0x00002000,
  539. CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED = 0x00004000,
  540. CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ = 0x00008000,
  541. CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ = 0x00010000,
  542. };
  543. enum OpalHMI_NestAccelXstopReason {
  544. NX_CHECKSTOP_SHM_INVAL_STATE_ERR = 0x00000001,
  545. NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1 = 0x00000002,
  546. NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2 = 0x00000004,
  547. NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR = 0x00000008,
  548. NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR = 0x00000010,
  549. NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR = 0x00000020,
  550. NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR = 0x00000040,
  551. NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR = 0x00000080,
  552. NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR = 0x00000100,
  553. NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR = 0x00000200,
  554. NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR = 0x00000400,
  555. NX_CHECKSTOP_DMA_CRB_UE = 0x00000800,
  556. NX_CHECKSTOP_DMA_CRB_SUE = 0x00001000,
  557. NX_CHECKSTOP_PBI_ISN_UE = 0x00002000,
  558. };
  559. struct OpalHMIEvent {
  560. uint8_t version; /* 0x00 */
  561. uint8_t severity; /* 0x01 */
  562. uint8_t type; /* 0x02 */
  563. uint8_t disposition; /* 0x03 */
  564. uint8_t reserved_1[4]; /* 0x04 */
  565. __be64 hmer;
  566. /* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
  567. __be64 tfmr;
  568. /* version 2 and later */
  569. union {
  570. /*
  571. * checkstop info (Core/NX).
  572. * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
  573. */
  574. struct {
  575. uint8_t xstop_type; /* enum OpalHMI_XstopType */
  576. uint8_t reserved_1[3];
  577. __be32 xstop_reason;
  578. union {
  579. __be32 pir; /* for CHECKSTOP_TYPE_CORE */
  580. __be32 chip_id; /* for CHECKSTOP_TYPE_NX */
  581. } u;
  582. } xstop_error;
  583. } u;
  584. };
  585. /* OPAL_HANDLE_HMI2 out_flags */
  586. enum {
  587. OPAL_HMI_FLAGS_TB_RESYNC = (1ull << 0), /* Timebase has been resynced */
  588. OPAL_HMI_FLAGS_DEC_LOST = (1ull << 1), /* DEC lost, needs to be reprogrammed */
  589. OPAL_HMI_FLAGS_HDEC_LOST = (1ull << 2), /* HDEC lost, needs to be reprogrammed */
  590. OPAL_HMI_FLAGS_TOD_TB_FAIL = (1ull << 3), /* TOD/TB recovery failed. */
  591. OPAL_HMI_FLAGS_NEW_EVENT = (1ull << 63), /* An event has been created */
  592. };
  593. enum {
  594. OPAL_P7IOC_DIAG_TYPE_NONE = 0,
  595. OPAL_P7IOC_DIAG_TYPE_RGC = 1,
  596. OPAL_P7IOC_DIAG_TYPE_BI = 2,
  597. OPAL_P7IOC_DIAG_TYPE_CI = 3,
  598. OPAL_P7IOC_DIAG_TYPE_MISC = 4,
  599. OPAL_P7IOC_DIAG_TYPE_I2C = 5,
  600. OPAL_P7IOC_DIAG_TYPE_LAST = 6
  601. };
  602. struct OpalIoP7IOCErrorData {
  603. __be16 type;
  604. /* GEM */
  605. __be64 gemXfir;
  606. __be64 gemRfir;
  607. __be64 gemRirqfir;
  608. __be64 gemMask;
  609. __be64 gemRwof;
  610. /* LEM */
  611. __be64 lemFir;
  612. __be64 lemErrMask;
  613. __be64 lemAction0;
  614. __be64 lemAction1;
  615. __be64 lemWof;
  616. union {
  617. struct OpalIoP7IOCRgcErrorData {
  618. __be64 rgcStatus; /* 3E1C10 */
  619. __be64 rgcLdcp; /* 3E1C18 */
  620. }rgc;
  621. struct OpalIoP7IOCBiErrorData {
  622. __be64 biLdcp0; /* 3C0100, 3C0118 */
  623. __be64 biLdcp1; /* 3C0108, 3C0120 */
  624. __be64 biLdcp2; /* 3C0110, 3C0128 */
  625. __be64 biFenceStatus; /* 3C0130, 3C0130 */
  626. uint8_t biDownbound; /* BI Downbound or Upbound */
  627. }bi;
  628. struct OpalIoP7IOCCiErrorData {
  629. __be64 ciPortStatus; /* 3Dn008 */
  630. __be64 ciPortLdcp; /* 3Dn010 */
  631. uint8_t ciPort; /* Index of CI port: 0/1 */
  632. }ci;
  633. };
  634. };
  635. /**
  636. * This structure defines the overlay which will be used to store PHB error
  637. * data upon request.
  638. */
  639. enum {
  640. OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
  641. };
  642. enum {
  643. OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
  644. OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2,
  645. OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
  646. };
  647. enum {
  648. OPAL_P7IOC_NUM_PEST_REGS = 128,
  649. OPAL_PHB3_NUM_PEST_REGS = 256,
  650. OPAL_PHB4_NUM_PEST_REGS = 512
  651. };
  652. struct OpalIoPhbErrorCommon {
  653. __be32 version;
  654. __be32 ioType;
  655. __be32 len;
  656. };
  657. struct OpalIoP7IOCPhbErrorData {
  658. struct OpalIoPhbErrorCommon common;
  659. __be32 brdgCtl;
  660. // P7IOC utl regs
  661. __be32 portStatusReg;
  662. __be32 rootCmplxStatus;
  663. __be32 busAgentStatus;
  664. // P7IOC cfg regs
  665. __be32 deviceStatus;
  666. __be32 slotStatus;
  667. __be32 linkStatus;
  668. __be32 devCmdStatus;
  669. __be32 devSecStatus;
  670. // cfg AER regs
  671. __be32 rootErrorStatus;
  672. __be32 uncorrErrorStatus;
  673. __be32 corrErrorStatus;
  674. __be32 tlpHdr1;
  675. __be32 tlpHdr2;
  676. __be32 tlpHdr3;
  677. __be32 tlpHdr4;
  678. __be32 sourceId;
  679. __be32 rsv3;
  680. // Record data about the call to allocate a buffer.
  681. __be64 errorClass;
  682. __be64 correlator;
  683. //P7IOC MMIO Error Regs
  684. __be64 p7iocPlssr; // n120
  685. __be64 p7iocCsr; // n110
  686. __be64 lemFir; // nC00
  687. __be64 lemErrorMask; // nC18
  688. __be64 lemWOF; // nC40
  689. __be64 phbErrorStatus; // nC80
  690. __be64 phbFirstErrorStatus; // nC88
  691. __be64 phbErrorLog0; // nCC0
  692. __be64 phbErrorLog1; // nCC8
  693. __be64 mmioErrorStatus; // nD00
  694. __be64 mmioFirstErrorStatus; // nD08
  695. __be64 mmioErrorLog0; // nD40
  696. __be64 mmioErrorLog1; // nD48
  697. __be64 dma0ErrorStatus; // nD80
  698. __be64 dma0FirstErrorStatus; // nD88
  699. __be64 dma0ErrorLog0; // nDC0
  700. __be64 dma0ErrorLog1; // nDC8
  701. __be64 dma1ErrorStatus; // nE00
  702. __be64 dma1FirstErrorStatus; // nE08
  703. __be64 dma1ErrorLog0; // nE40
  704. __be64 dma1ErrorLog1; // nE48
  705. __be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
  706. __be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
  707. };
  708. struct OpalIoPhb3ErrorData {
  709. struct OpalIoPhbErrorCommon common;
  710. __be32 brdgCtl;
  711. /* PHB3 UTL regs */
  712. __be32 portStatusReg;
  713. __be32 rootCmplxStatus;
  714. __be32 busAgentStatus;
  715. /* PHB3 cfg regs */
  716. __be32 deviceStatus;
  717. __be32 slotStatus;
  718. __be32 linkStatus;
  719. __be32 devCmdStatus;
  720. __be32 devSecStatus;
  721. /* cfg AER regs */
  722. __be32 rootErrorStatus;
  723. __be32 uncorrErrorStatus;
  724. __be32 corrErrorStatus;
  725. __be32 tlpHdr1;
  726. __be32 tlpHdr2;
  727. __be32 tlpHdr3;
  728. __be32 tlpHdr4;
  729. __be32 sourceId;
  730. __be32 rsv3;
  731. /* Record data about the call to allocate a buffer */
  732. __be64 errorClass;
  733. __be64 correlator;
  734. /* PHB3 MMIO Error Regs */
  735. __be64 nFir; /* 000 */
  736. __be64 nFirMask; /* 003 */
  737. __be64 nFirWOF; /* 008 */
  738. __be64 phbPlssr; /* 120 */
  739. __be64 phbCsr; /* 110 */
  740. __be64 lemFir; /* C00 */
  741. __be64 lemErrorMask; /* C18 */
  742. __be64 lemWOF; /* C40 */
  743. __be64 phbErrorStatus; /* C80 */
  744. __be64 phbFirstErrorStatus; /* C88 */
  745. __be64 phbErrorLog0; /* CC0 */
  746. __be64 phbErrorLog1; /* CC8 */
  747. __be64 mmioErrorStatus; /* D00 */
  748. __be64 mmioFirstErrorStatus; /* D08 */
  749. __be64 mmioErrorLog0; /* D40 */
  750. __be64 mmioErrorLog1; /* D48 */
  751. __be64 dma0ErrorStatus; /* D80 */
  752. __be64 dma0FirstErrorStatus; /* D88 */
  753. __be64 dma0ErrorLog0; /* DC0 */
  754. __be64 dma0ErrorLog1; /* DC8 */
  755. __be64 dma1ErrorStatus; /* E00 */
  756. __be64 dma1FirstErrorStatus; /* E08 */
  757. __be64 dma1ErrorLog0; /* E40 */
  758. __be64 dma1ErrorLog1; /* E48 */
  759. __be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
  760. __be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
  761. };
  762. struct OpalIoPhb4ErrorData {
  763. struct OpalIoPhbErrorCommon common;
  764. __be32 brdgCtl;
  765. /* PHB4 cfg regs */
  766. __be32 deviceStatus;
  767. __be32 slotStatus;
  768. __be32 linkStatus;
  769. __be32 devCmdStatus;
  770. __be32 devSecStatus;
  771. /* cfg AER regs */
  772. __be32 rootErrorStatus;
  773. __be32 uncorrErrorStatus;
  774. __be32 corrErrorStatus;
  775. __be32 tlpHdr1;
  776. __be32 tlpHdr2;
  777. __be32 tlpHdr3;
  778. __be32 tlpHdr4;
  779. __be32 sourceId;
  780. /* PHB4 ETU Error Regs */
  781. __be64 nFir; /* 000 */
  782. __be64 nFirMask; /* 003 */
  783. __be64 nFirWOF; /* 008 */
  784. __be64 phbPlssr; /* 120 */
  785. __be64 phbCsr; /* 110 */
  786. __be64 lemFir; /* C00 */
  787. __be64 lemErrorMask; /* C18 */
  788. __be64 lemWOF; /* C40 */
  789. __be64 phbErrorStatus; /* C80 */
  790. __be64 phbFirstErrorStatus; /* C88 */
  791. __be64 phbErrorLog0; /* CC0 */
  792. __be64 phbErrorLog1; /* CC8 */
  793. __be64 phbTxeErrorStatus; /* D00 */
  794. __be64 phbTxeFirstErrorStatus; /* D08 */
  795. __be64 phbTxeErrorLog0; /* D40 */
  796. __be64 phbTxeErrorLog1; /* D48 */
  797. __be64 phbRxeArbErrorStatus; /* D80 */
  798. __be64 phbRxeArbFirstErrorStatus; /* D88 */
  799. __be64 phbRxeArbErrorLog0; /* DC0 */
  800. __be64 phbRxeArbErrorLog1; /* DC8 */
  801. __be64 phbRxeMrgErrorStatus; /* E00 */
  802. __be64 phbRxeMrgFirstErrorStatus; /* E08 */
  803. __be64 phbRxeMrgErrorLog0; /* E40 */
  804. __be64 phbRxeMrgErrorLog1; /* E48 */
  805. __be64 phbRxeTceErrorStatus; /* E80 */
  806. __be64 phbRxeTceFirstErrorStatus; /* E88 */
  807. __be64 phbRxeTceErrorLog0; /* EC0 */
  808. __be64 phbRxeTceErrorLog1; /* EC8 */
  809. /* PHB4 REGB Error Regs */
  810. __be64 phbPblErrorStatus; /* 1900 */
  811. __be64 phbPblFirstErrorStatus; /* 1908 */
  812. __be64 phbPblErrorLog0; /* 1940 */
  813. __be64 phbPblErrorLog1; /* 1948 */
  814. __be64 phbPcieDlpErrorLog1; /* 1AA0 */
  815. __be64 phbPcieDlpErrorLog2; /* 1AA8 */
  816. __be64 phbPcieDlpErrorStatus; /* 1AB0 */
  817. __be64 phbRegbErrorStatus; /* 1C00 */
  818. __be64 phbRegbFirstErrorStatus; /* 1C08 */
  819. __be64 phbRegbErrorLog0; /* 1C40 */
  820. __be64 phbRegbErrorLog1; /* 1C48 */
  821. __be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
  822. __be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
  823. };
  824. enum {
  825. OPAL_REINIT_CPUS_HILE_BE = (1 << 0),
  826. OPAL_REINIT_CPUS_HILE_LE = (1 << 1),
  827. /* These two define the base MMU mode of the host on P9
  828. *
  829. * On P9 Nimbus DD2.0 and Cumlus (and later), KVM can still
  830. * create hash guests in "radix" mode with care (full core
  831. * switch only).
  832. */
  833. OPAL_REINIT_CPUS_MMU_HASH = (1 << 2),
  834. OPAL_REINIT_CPUS_MMU_RADIX = (1 << 3),
  835. OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED = (1 << 4),
  836. };
  837. typedef struct oppanel_line {
  838. __be64 line;
  839. __be64 line_len;
  840. } oppanel_line_t;
  841. enum opal_prd_msg_type {
  842. OPAL_PRD_MSG_TYPE_INIT = 0, /* HBRT --> OPAL */
  843. OPAL_PRD_MSG_TYPE_FINI, /* HBRT/kernel --> OPAL */
  844. OPAL_PRD_MSG_TYPE_ATTN, /* HBRT <-- OPAL */
  845. OPAL_PRD_MSG_TYPE_ATTN_ACK, /* HBRT --> OPAL */
  846. OPAL_PRD_MSG_TYPE_OCC_ERROR, /* HBRT <-- OPAL */
  847. OPAL_PRD_MSG_TYPE_OCC_RESET, /* HBRT <-- OPAL */
  848. };
  849. struct opal_prd_msg_header {
  850. uint8_t type;
  851. uint8_t pad[1];
  852. __be16 size;
  853. };
  854. struct opal_prd_msg;
  855. #define OCC_RESET 0
  856. #define OCC_LOAD 1
  857. #define OCC_THROTTLE 2
  858. #define OCC_MAX_THROTTLE_STATUS 5
  859. struct opal_occ_msg {
  860. __be64 type;
  861. __be64 chip;
  862. __be64 throttle_status;
  863. };
  864. /*
  865. * SG entries
  866. *
  867. * WARNING: The current implementation requires each entry
  868. * to represent a block that is 4k aligned *and* each block
  869. * size except the last one in the list to be as well.
  870. */
  871. struct opal_sg_entry {
  872. __be64 data;
  873. __be64 length;
  874. };
  875. /*
  876. * Candidate image SG list.
  877. *
  878. * length = VER | length
  879. */
  880. struct opal_sg_list {
  881. __be64 length;
  882. __be64 next;
  883. struct opal_sg_entry entry[];
  884. };
  885. /*
  886. * Dump region ID range usable by the OS
  887. */
  888. #define OPAL_DUMP_REGION_HOST_START 0x80
  889. #define OPAL_DUMP_REGION_LOG_BUF 0x80
  890. #define OPAL_DUMP_REGION_HOST_END 0xFF
  891. /* CAPI modes for PHB */
  892. enum {
  893. OPAL_PHB_CAPI_MODE_PCIE = 0,
  894. OPAL_PHB_CAPI_MODE_CAPI = 1,
  895. OPAL_PHB_CAPI_MODE_SNOOP_OFF = 2,
  896. OPAL_PHB_CAPI_MODE_SNOOP_ON = 3,
  897. OPAL_PHB_CAPI_MODE_DMA = 4,
  898. OPAL_PHB_CAPI_MODE_DMA_TVT1 = 5,
  899. };
  900. /* OPAL I2C request */
  901. struct opal_i2c_request {
  902. uint8_t type;
  903. #define OPAL_I2C_RAW_READ 0
  904. #define OPAL_I2C_RAW_WRITE 1
  905. #define OPAL_I2C_SM_READ 2
  906. #define OPAL_I2C_SM_WRITE 3
  907. uint8_t flags;
  908. #define OPAL_I2C_ADDR_10 0x01 /* Not supported yet */
  909. uint8_t subaddr_sz; /* Max 4 */
  910. uint8_t reserved;
  911. __be16 addr; /* 7 or 10 bit address */
  912. __be16 reserved2;
  913. __be32 subaddr; /* Sub-address if any */
  914. __be32 size; /* Data size */
  915. __be64 buffer_ra; /* Buffer real address */
  916. };
  917. /*
  918. * EPOW status sharing (OPAL and the host)
  919. *
  920. * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
  921. * with individual elements being 16 bits wide to fetch the system
  922. * wide EPOW status. Each element in the buffer will contain the
  923. * EPOW status in it's bit representation for a particular EPOW sub
  924. * class as defined here. So multiple detailed EPOW status bits
  925. * specific for any sub class can be represented in a single buffer
  926. * element as it's bit representation.
  927. */
  928. /* System EPOW type */
  929. enum OpalSysEpow {
  930. OPAL_SYSEPOW_POWER = 0, /* Power EPOW */
  931. OPAL_SYSEPOW_TEMP = 1, /* Temperature EPOW */
  932. OPAL_SYSEPOW_COOLING = 2, /* Cooling EPOW */
  933. OPAL_SYSEPOW_MAX = 3, /* Max EPOW categories */
  934. };
  935. /* Power EPOW */
  936. enum OpalSysPower {
  937. OPAL_SYSPOWER_UPS = 0x0001, /* System on UPS power */
  938. OPAL_SYSPOWER_CHNG = 0x0002, /* System power config change */
  939. OPAL_SYSPOWER_FAIL = 0x0004, /* System impending power failure */
  940. OPAL_SYSPOWER_INCL = 0x0008, /* System incomplete power */
  941. };
  942. /* Temperature EPOW */
  943. enum OpalSysTemp {
  944. OPAL_SYSTEMP_AMB = 0x0001, /* System over ambient temperature */
  945. OPAL_SYSTEMP_INT = 0x0002, /* System over internal temperature */
  946. OPAL_SYSTEMP_HMD = 0x0004, /* System over ambient humidity */
  947. };
  948. /* Cooling EPOW */
  949. enum OpalSysCooling {
  950. OPAL_SYSCOOL_INSF = 0x0001, /* System insufficient cooling */
  951. };
  952. /* Argument to OPAL_CEC_REBOOT2() */
  953. enum {
  954. OPAL_REBOOT_NORMAL = 0,
  955. OPAL_REBOOT_PLATFORM_ERROR = 1,
  956. OPAL_REBOOT_FULL_IPL = 2,
  957. OPAL_REBOOT_MPIPL = 3,
  958. OPAL_REBOOT_FAST = 4,
  959. };
  960. /* Argument to OPAL_PCI_TCE_KILL */
  961. enum {
  962. OPAL_PCI_TCE_KILL_PAGES,
  963. OPAL_PCI_TCE_KILL_PE,
  964. OPAL_PCI_TCE_KILL_ALL,
  965. };
  966. /* The xive operation mode indicates the active "API" and
  967. * corresponds to the "mode" parameter of the opal_xive_reset()
  968. * call
  969. */
  970. enum {
  971. OPAL_XIVE_MODE_EMU = 0,
  972. OPAL_XIVE_MODE_EXPL = 1,
  973. };
  974. /* Flags for OPAL_XIVE_GET_IRQ_INFO */
  975. enum {
  976. OPAL_XIVE_IRQ_TRIGGER_PAGE = 0x00000001,
  977. OPAL_XIVE_IRQ_STORE_EOI = 0x00000002,
  978. OPAL_XIVE_IRQ_LSI = 0x00000004,
  979. OPAL_XIVE_IRQ_SHIFT_BUG = 0x00000008, /* P9 DD1.0 workaround */
  980. OPAL_XIVE_IRQ_MASK_VIA_FW = 0x00000010, /* P9 DD1.0 workaround */
  981. OPAL_XIVE_IRQ_EOI_VIA_FW = 0x00000020, /* P9 DD1.0 workaround */
  982. OPAL_XIVE_IRQ_STORE_EOI2 = 0x00000040,
  983. };
  984. /* Flags for OPAL_XIVE_GET/SET_QUEUE_INFO */
  985. enum {
  986. OPAL_XIVE_EQ_ENABLED = 0x00000001,
  987. OPAL_XIVE_EQ_ALWAYS_NOTIFY = 0x00000002,
  988. OPAL_XIVE_EQ_ESCALATE = 0x00000004,
  989. };
  990. /* Flags for OPAL_XIVE_GET/SET_VP_INFO */
  991. enum {
  992. OPAL_XIVE_VP_ENABLED = 0x00000001,
  993. OPAL_XIVE_VP_SINGLE_ESCALATION = 0x00000002,
  994. };
  995. /* "Any chip" replacement for chip ID for allocation functions */
  996. enum {
  997. OPAL_XIVE_ANY_CHIP = 0xffffffff,
  998. };
  999. /* Xive sync options */
  1000. enum {
  1001. /* This bits are cumulative, arg is a girq */
  1002. XIVE_SYNC_EAS = 0x00000001, /* Sync irq source */
  1003. XIVE_SYNC_QUEUE = 0x00000002, /* Sync irq target */
  1004. };
  1005. /* Dump options */
  1006. enum {
  1007. XIVE_DUMP_TM_HYP = 0,
  1008. XIVE_DUMP_TM_POOL = 1,
  1009. XIVE_DUMP_TM_OS = 2,
  1010. XIVE_DUMP_TM_USER = 3,
  1011. XIVE_DUMP_VP = 4,
  1012. XIVE_DUMP_EMU_STATE = 5,
  1013. };
  1014. /* "type" argument options for OPAL_IMC_COUNTERS_* calls */
  1015. enum {
  1016. OPAL_IMC_COUNTERS_NEST = 1,
  1017. OPAL_IMC_COUNTERS_CORE = 2,
  1018. OPAL_IMC_COUNTERS_TRACE = 3,
  1019. };
  1020. /* PCI p2p descriptor */
  1021. #define OPAL_PCI_P2P_ENABLE 0x1
  1022. #define OPAL_PCI_P2P_LOAD 0x2
  1023. #define OPAL_PCI_P2P_STORE 0x4
  1024. /* MPIPL update operations */
  1025. enum opal_mpipl_ops {
  1026. OPAL_MPIPL_ADD_RANGE = 0,
  1027. OPAL_MPIPL_REMOVE_RANGE = 1,
  1028. OPAL_MPIPL_REMOVE_ALL = 2,
  1029. OPAL_MPIPL_FREE_PRESERVED_MEMORY = 3,
  1030. };
  1031. /* Tag will point to various metadata area. Kernel will
  1032. * use tag to get metadata value.
  1033. */
  1034. enum opal_mpipl_tags {
  1035. OPAL_MPIPL_TAG_CPU = 0,
  1036. OPAL_MPIPL_TAG_OPAL = 1,
  1037. OPAL_MPIPL_TAG_KERNEL = 2,
  1038. OPAL_MPIPL_TAG_BOOT_MEM = 3,
  1039. };
  1040. /* Preserved memory details */
  1041. struct opal_mpipl_region {
  1042. __be64 src;
  1043. __be64 dest;
  1044. __be64 size;
  1045. };
  1046. /* Structure version */
  1047. #define OPAL_MPIPL_VERSION 0x01
  1048. struct opal_mpipl_fadump {
  1049. u8 version;
  1050. u8 reserved[7];
  1051. __be32 crashing_pir; /* OPAL crashing CPU PIR */
  1052. __be32 cpu_data_version;
  1053. __be32 cpu_data_size;
  1054. __be32 region_cnt;
  1055. struct opal_mpipl_region region[];
  1056. } __packed;
  1057. #endif /* __ASSEMBLY__ */
  1058. #endif /* __OPAL_API_H */