1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 #ifndef _POWERPC_RTAS_H 3 #define _POWERPC_RTAS_H 4 #ifdef __KERNEL__ 5 6 #include <linux/spinlock.h> 7 #include <asm/page.h> 8 #include <asm/rtas-types.h> 9 #include <linux/time.h> 10 #include <linux/cpumask.h> 11 12 /* 13 * Definitions for talking to the RTAS on CHRP machines. 14 * 15 * Copyright (C) 2001 Peter Bergner 16 * Copyright (C) 2001 PPC 64 Team, IBM Corp 17 */ 18 19 enum rtas_function_index { 20 RTAS_FNIDX__CHECK_EXCEPTION, 21 RTAS_FNIDX__DISPLAY_CHARACTER, 22 RTAS_FNIDX__EVENT_SCAN, 23 RTAS_FNIDX__FREEZE_TIME_BASE, 24 RTAS_FNIDX__GET_POWER_LEVEL, 25 RTAS_FNIDX__GET_SENSOR_STATE, 26 RTAS_FNIDX__GET_TERM_CHAR, 27 RTAS_FNIDX__GET_TIME_OF_DAY, 28 RTAS_FNIDX__IBM_ACTIVATE_FIRMWARE, 29 RTAS_FNIDX__IBM_CBE_START_PTCAL, 30 RTAS_FNIDX__IBM_CBE_STOP_PTCAL, 31 RTAS_FNIDX__IBM_CHANGE_MSI, 32 RTAS_FNIDX__IBM_CLOSE_ERRINJCT, 33 RTAS_FNIDX__IBM_CONFIGURE_BRIDGE, 34 RTAS_FNIDX__IBM_CONFIGURE_CONNECTOR, 35 RTAS_FNIDX__IBM_CONFIGURE_KERNEL_DUMP, 36 RTAS_FNIDX__IBM_CONFIGURE_PE, 37 RTAS_FNIDX__IBM_CREATE_PE_DMA_WINDOW, 38 RTAS_FNIDX__IBM_DISPLAY_MESSAGE, 39 RTAS_FNIDX__IBM_ERRINJCT, 40 RTAS_FNIDX__IBM_EXTI2C, 41 RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO, 42 RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO2, 43 RTAS_FNIDX__IBM_GET_DYNAMIC_SENSOR_STATE, 44 RTAS_FNIDX__IBM_GET_INDICES, 45 RTAS_FNIDX__IBM_GET_RIO_TOPOLOGY, 46 RTAS_FNIDX__IBM_GET_SYSTEM_PARAMETER, 47 RTAS_FNIDX__IBM_GET_VPD, 48 RTAS_FNIDX__IBM_GET_XIVE, 49 RTAS_FNIDX__IBM_INT_OFF, 50 RTAS_FNIDX__IBM_INT_ON, 51 RTAS_FNIDX__IBM_IO_QUIESCE_ACK, 52 RTAS_FNIDX__IBM_LPAR_PERFTOOLS, 53 RTAS_FNIDX__IBM_MANAGE_FLASH_IMAGE, 54 RTAS_FNIDX__IBM_MANAGE_STORAGE_PRESERVATION, 55 RTAS_FNIDX__IBM_NMI_INTERLOCK, 56 RTAS_FNIDX__IBM_NMI_REGISTER, 57 RTAS_FNIDX__IBM_OPEN_ERRINJCT, 58 RTAS_FNIDX__IBM_OPEN_SRIOV_ALLOW_UNFREEZE, 59 RTAS_FNIDX__IBM_OPEN_SRIOV_MAP_PE_NUMBER, 60 RTAS_FNIDX__IBM_OS_TERM, 61 RTAS_FNIDX__IBM_PARTNER_CONTROL, 62 RTAS_FNIDX__IBM_PHYSICAL_ATTESTATION, 63 RTAS_FNIDX__IBM_PLATFORM_DUMP, 64 RTAS_FNIDX__IBM_POWER_OFF_UPS, 65 RTAS_FNIDX__IBM_QUERY_INTERRUPT_SOURCE_NUMBER, 66 RTAS_FNIDX__IBM_QUERY_PE_DMA_WINDOW, 67 RTAS_FNIDX__IBM_READ_PCI_CONFIG, 68 RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE, 69 RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE2, 70 RTAS_FNIDX__IBM_REMOVE_PE_DMA_WINDOW, 71 RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOWS, 72 RTAS_FNIDX__IBM_SCAN_LOG_DUMP, 73 RTAS_FNIDX__IBM_SET_DYNAMIC_INDICATOR, 74 RTAS_FNIDX__IBM_SET_EEH_OPTION, 75 RTAS_FNIDX__IBM_SET_SLOT_RESET, 76 RTAS_FNIDX__IBM_SET_SYSTEM_PARAMETER, 77 RTAS_FNIDX__IBM_SET_XIVE, 78 RTAS_FNIDX__IBM_SLOT_ERROR_DETAIL, 79 RTAS_FNIDX__IBM_SUSPEND_ME, 80 RTAS_FNIDX__IBM_TUNE_DMA_PARMS, 81 RTAS_FNIDX__IBM_UPDATE_FLASH_64_AND_REBOOT, 82 RTAS_FNIDX__IBM_UPDATE_NODES, 83 RTAS_FNIDX__IBM_UPDATE_PROPERTIES, 84 RTAS_FNIDX__IBM_VALIDATE_FLASH_IMAGE, 85 RTAS_FNIDX__IBM_WRITE_PCI_CONFIG, 86 RTAS_FNIDX__NVRAM_FETCH, 87 RTAS_FNIDX__NVRAM_STORE, 88 RTAS_FNIDX__POWER_OFF, 89 RTAS_FNIDX__PUT_TERM_CHAR, 90 RTAS_FNIDX__QUERY_CPU_STOPPED_STATE, 91 RTAS_FNIDX__READ_PCI_CONFIG, 92 RTAS_FNIDX__RTAS_LAST_ERROR, 93 RTAS_FNIDX__SET_INDICATOR, 94 RTAS_FNIDX__SET_POWER_LEVEL, 95 RTAS_FNIDX__SET_TIME_FOR_POWER_ON, 96 RTAS_FNIDX__SET_TIME_OF_DAY, 97 RTAS_FNIDX__START_CPU, 98 RTAS_FNIDX__STOP_SELF, 99 RTAS_FNIDX__SYSTEM_REBOOT, 100 RTAS_FNIDX__THAW_TIME_BASE, 101 RTAS_FNIDX__WRITE_PCI_CONFIG, 102 }; 103 104 /* 105 * Opaque handle for client code to refer to RTAS functions. All valid 106 * function handles are build-time constants prefixed with RTAS_FN_. 107 */ 108 typedef struct { 109 const enum rtas_function_index index; 110 } rtas_fn_handle_t; 111 112 113 #define rtas_fn_handle(x_) ((const rtas_fn_handle_t) { .index = x_, }) 114 115 #define RTAS_FN_CHECK_EXCEPTION rtas_fn_handle(RTAS_FNIDX__CHECK_EXCEPTION) 116 #define RTAS_FN_DISPLAY_CHARACTER rtas_fn_handle(RTAS_FNIDX__DISPLAY_CHARACTER) 117 #define RTAS_FN_EVENT_SCAN rtas_fn_handle(RTAS_FNIDX__EVENT_SCAN) 118 #define RTAS_FN_FREEZE_TIME_BASE rtas_fn_handle(RTAS_FNIDX__FREEZE_TIME_BASE) 119 #define RTAS_FN_GET_POWER_LEVEL rtas_fn_handle(RTAS_FNIDX__GET_POWER_LEVEL) 120 #define RTAS_FN_GET_SENSOR_STATE rtas_fn_handle(RTAS_FNIDX__GET_SENSOR_STATE) 121 #define RTAS_FN_GET_TERM_CHAR rtas_fn_handle(RTAS_FNIDX__GET_TERM_CHAR) 122 #define RTAS_FN_GET_TIME_OF_DAY rtas_fn_handle(RTAS_FNIDX__GET_TIME_OF_DAY) 123 #define RTAS_FN_IBM_ACTIVATE_FIRMWARE rtas_fn_handle(RTAS_FNIDX__IBM_ACTIVATE_FIRMWARE) 124 #define RTAS_FN_IBM_CBE_START_PTCAL rtas_fn_handle(RTAS_FNIDX__IBM_CBE_START_PTCAL) 125 #define RTAS_FN_IBM_CBE_STOP_PTCAL rtas_fn_handle(RTAS_FNIDX__IBM_CBE_STOP_PTCAL) 126 #define RTAS_FN_IBM_CHANGE_MSI rtas_fn_handle(RTAS_FNIDX__IBM_CHANGE_MSI) 127 #define RTAS_FN_IBM_CLOSE_ERRINJCT rtas_fn_handle(RTAS_FNIDX__IBM_CLOSE_ERRINJCT) 128 #define RTAS_FN_IBM_CONFIGURE_BRIDGE rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_BRIDGE) 129 #define RTAS_FN_IBM_CONFIGURE_CONNECTOR rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_CONNECTOR) 130 #define RTAS_FN_IBM_CONFIGURE_KERNEL_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_KERNEL_DUMP) 131 #define RTAS_FN_IBM_CONFIGURE_PE rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_PE) 132 #define RTAS_FN_IBM_CREATE_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_CREATE_PE_DMA_WINDOW) 133 #define RTAS_FN_IBM_DISPLAY_MESSAGE rtas_fn_handle(RTAS_FNIDX__IBM_DISPLAY_MESSAGE) 134 #define RTAS_FN_IBM_ERRINJCT rtas_fn_handle(RTAS_FNIDX__IBM_ERRINJCT) 135 #define RTAS_FN_IBM_EXTI2C rtas_fn_handle(RTAS_FNIDX__IBM_EXTI2C) 136 #define RTAS_FN_IBM_GET_CONFIG_ADDR_INFO rtas_fn_handle(RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO) 137 #define RTAS_FN_IBM_GET_CONFIG_ADDR_INFO2 rtas_fn_handle(RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO2) 138 #define RTAS_FN_IBM_GET_DYNAMIC_SENSOR_STATE rtas_fn_handle(RTAS_FNIDX__IBM_GET_DYNAMIC_SENSOR_STATE) 139 #define RTAS_FN_IBM_GET_INDICES rtas_fn_handle(RTAS_FNIDX__IBM_GET_INDICES) 140 #define RTAS_FN_IBM_GET_RIO_TOPOLOGY rtas_fn_handle(RTAS_FNIDX__IBM_GET_RIO_TOPOLOGY) 141 #define RTAS_FN_IBM_GET_SYSTEM_PARAMETER rtas_fn_handle(RTAS_FNIDX__IBM_GET_SYSTEM_PARAMETER) 142 #define RTAS_FN_IBM_GET_VPD rtas_fn_handle(RTAS_FNIDX__IBM_GET_VPD) 143 #define RTAS_FN_IBM_GET_XIVE rtas_fn_handle(RTAS_FNIDX__IBM_GET_XIVE) 144 #define RTAS_FN_IBM_INT_OFF rtas_fn_handle(RTAS_FNIDX__IBM_INT_OFF) 145 #define RTAS_FN_IBM_INT_ON rtas_fn_handle(RTAS_FNIDX__IBM_INT_ON) 146 #define RTAS_FN_IBM_IO_QUIESCE_ACK rtas_fn_handle(RTAS_FNIDX__IBM_IO_QUIESCE_ACK) 147 #define RTAS_FN_IBM_LPAR_PERFTOOLS rtas_fn_handle(RTAS_FNIDX__IBM_LPAR_PERFTOOLS) 148 #define RTAS_FN_IBM_MANAGE_FLASH_IMAGE rtas_fn_handle(RTAS_FNIDX__IBM_MANAGE_FLASH_IMAGE) 149 #define RTAS_FN_IBM_MANAGE_STORAGE_PRESERVATION rtas_fn_handle(RTAS_FNIDX__IBM_MANAGE_STORAGE_PRESERVATION) 150 #define RTAS_FN_IBM_NMI_INTERLOCK rtas_fn_handle(RTAS_FNIDX__IBM_NMI_INTERLOCK) 151 #define RTAS_FN_IBM_NMI_REGISTER rtas_fn_handle(RTAS_FNIDX__IBM_NMI_REGISTER) 152 #define RTAS_FN_IBM_OPEN_ERRINJCT rtas_fn_handle(RTAS_FNIDX__IBM_OPEN_ERRINJCT) 153 #define RTAS_FN_IBM_OPEN_SRIOV_ALLOW_UNFREEZE rtas_fn_handle(RTAS_FNIDX__IBM_OPEN_SRIOV_ALLOW_UNFREEZE) 154 #define RTAS_FN_IBM_OPEN_SRIOV_MAP_PE_NUMBER rtas_fn_handle(RTAS_FNIDX__IBM_OPEN_SRIOV_MAP_PE_NUMBER) 155 #define RTAS_FN_IBM_OS_TERM rtas_fn_handle(RTAS_FNIDX__IBM_OS_TERM) 156 #define RTAS_FN_IBM_PARTNER_CONTROL rtas_fn_handle(RTAS_FNIDX__IBM_PARTNER_CONTROL) 157 #define RTAS_FN_IBM_PHYSICAL_ATTESTATION rtas_fn_handle(RTAS_FNIDX__IBM_PHYSICAL_ATTESTATION) 158 #define RTAS_FN_IBM_PLATFORM_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_PLATFORM_DUMP) 159 #define RTAS_FN_IBM_POWER_OFF_UPS rtas_fn_handle(RTAS_FNIDX__IBM_POWER_OFF_UPS) 160 #define RTAS_FN_IBM_QUERY_INTERRUPT_SOURCE_NUMBER rtas_fn_handle(RTAS_FNIDX__IBM_QUERY_INTERRUPT_SOURCE_NUMBER) 161 #define RTAS_FN_IBM_QUERY_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_QUERY_PE_DMA_WINDOW) 162 #define RTAS_FN_IBM_READ_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__IBM_READ_PCI_CONFIG) 163 #define RTAS_FN_IBM_READ_SLOT_RESET_STATE rtas_fn_handle(RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE) 164 #define RTAS_FN_IBM_READ_SLOT_RESET_STATE2 rtas_fn_handle(RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE2) 165 #define RTAS_FN_IBM_REMOVE_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_REMOVE_PE_DMA_WINDOW) 166 #define RTAS_FN_IBM_RESET_PE_DMA_WINDOWS rtas_fn_handle(RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOWS) 167 #define RTAS_FN_IBM_SCAN_LOG_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_SCAN_LOG_DUMP) 168 #define RTAS_FN_IBM_SET_DYNAMIC_INDICATOR rtas_fn_handle(RTAS_FNIDX__IBM_SET_DYNAMIC_INDICATOR) 169 #define RTAS_FN_IBM_SET_EEH_OPTION rtas_fn_handle(RTAS_FNIDX__IBM_SET_EEH_OPTION) 170 #define RTAS_FN_IBM_SET_SLOT_RESET rtas_fn_handle(RTAS_FNIDX__IBM_SET_SLOT_RESET) 171 #define RTAS_FN_IBM_SET_SYSTEM_PARAMETER rtas_fn_handle(RTAS_FNIDX__IBM_SET_SYSTEM_PARAMETER) 172 #define RTAS_FN_IBM_SET_XIVE rtas_fn_handle(RTAS_FNIDX__IBM_SET_XIVE) 173 #define RTAS_FN_IBM_SLOT_ERROR_DETAIL rtas_fn_handle(RTAS_FNIDX__IBM_SLOT_ERROR_DETAIL) 174 #define RTAS_FN_IBM_SUSPEND_ME rtas_fn_handle(RTAS_FNIDX__IBM_SUSPEND_ME) 175 #define RTAS_FN_IBM_TUNE_DMA_PARMS rtas_fn_handle(RTAS_FNIDX__IBM_TUNE_DMA_PARMS) 176 #define RTAS_FN_IBM_UPDATE_FLASH_64_AND_REBOOT rtas_fn_handle(RTAS_FNIDX__IBM_UPDATE_FLASH_64_AND_REBOOT) 177 #define RTAS_FN_IBM_UPDATE_NODES rtas_fn_handle(RTAS_FNIDX__IBM_UPDATE_NODES) 178 #define RTAS_FN_IBM_UPDATE_PROPERTIES rtas_fn_handle(RTAS_FNIDX__IBM_UPDATE_PROPERTIES) 179 #define RTAS_FN_IBM_VALIDATE_FLASH_IMAGE rtas_fn_handle(RTAS_FNIDX__IBM_VALIDATE_FLASH_IMAGE) 180 #define RTAS_FN_IBM_WRITE_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__IBM_WRITE_PCI_CONFIG) 181 #define RTAS_FN_NVRAM_FETCH rtas_fn_handle(RTAS_FNIDX__NVRAM_FETCH) 182 #define RTAS_FN_NVRAM_STORE rtas_fn_handle(RTAS_FNIDX__NVRAM_STORE) 183 #define RTAS_FN_POWER_OFF rtas_fn_handle(RTAS_FNIDX__POWER_OFF) 184 #define RTAS_FN_PUT_TERM_CHAR rtas_fn_handle(RTAS_FNIDX__PUT_TERM_CHAR) 185 #define RTAS_FN_QUERY_CPU_STOPPED_STATE rtas_fn_handle(RTAS_FNIDX__QUERY_CPU_STOPPED_STATE) 186 #define RTAS_FN_READ_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__READ_PCI_CONFIG) 187 #define RTAS_FN_RTAS_LAST_ERROR rtas_fn_handle(RTAS_FNIDX__RTAS_LAST_ERROR) 188 #define RTAS_FN_SET_INDICATOR rtas_fn_handle(RTAS_FNIDX__SET_INDICATOR) 189 #define RTAS_FN_SET_POWER_LEVEL rtas_fn_handle(RTAS_FNIDX__SET_POWER_LEVEL) 190 #define RTAS_FN_SET_TIME_FOR_POWER_ON rtas_fn_handle(RTAS_FNIDX__SET_TIME_FOR_POWER_ON) 191 #define RTAS_FN_SET_TIME_OF_DAY rtas_fn_handle(RTAS_FNIDX__SET_TIME_OF_DAY) 192 #define RTAS_FN_START_CPU rtas_fn_handle(RTAS_FNIDX__START_CPU) 193 #define RTAS_FN_STOP_SELF rtas_fn_handle(RTAS_FNIDX__STOP_SELF) 194 #define RTAS_FN_SYSTEM_REBOOT rtas_fn_handle(RTAS_FNIDX__SYSTEM_REBOOT) 195 #define RTAS_FN_THAW_TIME_BASE rtas_fn_handle(RTAS_FNIDX__THAW_TIME_BASE) 196 #define RTAS_FN_WRITE_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__WRITE_PCI_CONFIG) 197 198 #define RTAS_UNKNOWN_SERVICE (-1) 199 #define RTAS_INSTANTIATE_MAX (1ULL<<30) /* Don't instantiate rtas at/above this value */ 200 201 /* Memory set aside for sys_rtas to use with calls that need a work area. */ 202 #define RTAS_USER_REGION_SIZE (64 * 1024) 203 204 /* RTAS return status codes */ 205 #define RTAS_HARDWARE_ERROR -1 /* Hardware Error */ 206 #define RTAS_BUSY -2 /* RTAS Busy */ 207 #define RTAS_INVALID_PARAMETER -3 /* Invalid indicator/domain/sensor etc. */ 208 #define RTAS_EXTENDED_DELAY_MIN 9900 209 #define RTAS_EXTENDED_DELAY_MAX 9905 210 211 /* statuses specific to ibm,suspend-me */ 212 #define RTAS_SUSPEND_ABORTED 9000 /* Suspension aborted */ 213 #define RTAS_NOT_SUSPENDABLE -9004 /* Partition not suspendable */ 214 #define RTAS_THREADS_ACTIVE -9005 /* Multiple processor threads active */ 215 #define RTAS_OUTSTANDING_COPROC -9006 /* Outstanding coprocessor operations */ 216 217 /* RTAS event classes */ 218 #define RTAS_INTERNAL_ERROR 0x80000000 /* set bit 0 */ 219 #define RTAS_EPOW_WARNING 0x40000000 /* set bit 1 */ 220 #define RTAS_HOTPLUG_EVENTS 0x10000000 /* set bit 3 */ 221 #define RTAS_IO_EVENTS 0x08000000 /* set bit 4 */ 222 #define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff 223 224 /* RTAS event severity */ 225 #define RTAS_SEVERITY_FATAL 0x5 226 #define RTAS_SEVERITY_ERROR 0x4 227 #define RTAS_SEVERITY_ERROR_SYNC 0x3 228 #define RTAS_SEVERITY_WARNING 0x2 229 #define RTAS_SEVERITY_EVENT 0x1 230 #define RTAS_SEVERITY_NO_ERROR 0x0 231 232 /* RTAS event disposition */ 233 #define RTAS_DISP_FULLY_RECOVERED 0x0 234 #define RTAS_DISP_LIMITED_RECOVERY 0x1 235 #define RTAS_DISP_NOT_RECOVERED 0x2 236 237 /* RTAS event initiator */ 238 #define RTAS_INITIATOR_UNKNOWN 0x0 239 #define RTAS_INITIATOR_CPU 0x1 240 #define RTAS_INITIATOR_PCI 0x2 241 #define RTAS_INITIATOR_ISA 0x3 242 #define RTAS_INITIATOR_MEMORY 0x4 243 #define RTAS_INITIATOR_POWERMGM 0x5 244 245 /* RTAS event target */ 246 #define RTAS_TARGET_UNKNOWN 0x0 247 #define RTAS_TARGET_CPU 0x1 248 #define RTAS_TARGET_PCI 0x2 249 #define RTAS_TARGET_ISA 0x3 250 #define RTAS_TARGET_MEMORY 0x4 251 #define RTAS_TARGET_POWERMGM 0x5 252 253 /* RTAS event type */ 254 #define RTAS_TYPE_RETRY 0x01 255 #define RTAS_TYPE_TCE_ERR 0x02 256 #define RTAS_TYPE_INTERN_DEV_FAIL 0x03 257 #define RTAS_TYPE_TIMEOUT 0x04 258 #define RTAS_TYPE_DATA_PARITY 0x05 259 #define RTAS_TYPE_ADDR_PARITY 0x06 260 #define RTAS_TYPE_CACHE_PARITY 0x07 261 #define RTAS_TYPE_ADDR_INVALID 0x08 262 #define RTAS_TYPE_ECC_UNCORR 0x09 263 #define RTAS_TYPE_ECC_CORR 0x0a 264 #define RTAS_TYPE_EPOW 0x40 265 #define RTAS_TYPE_PLATFORM 0xE0 266 #define RTAS_TYPE_IO 0xE1 267 #define RTAS_TYPE_INFO 0xE2 268 #define RTAS_TYPE_DEALLOC 0xE3 269 #define RTAS_TYPE_DUMP 0xE4 270 #define RTAS_TYPE_HOTPLUG 0xE5 271 /* I don't add PowerMGM events right now, this is a different topic */ 272 #define RTAS_TYPE_PMGM_POWER_SW_ON 0x60 273 #define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61 274 #define RTAS_TYPE_PMGM_LID_OPEN 0x62 275 #define RTAS_TYPE_PMGM_LID_CLOSE 0x63 276 #define RTAS_TYPE_PMGM_SLEEP_BTN 0x64 277 #define RTAS_TYPE_PMGM_WAKE_BTN 0x65 278 #define RTAS_TYPE_PMGM_BATTERY_WARN 0x66 279 #define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67 280 #define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68 281 #define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69 282 #define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a 283 #define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b 284 #define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c 285 #define RTAS_TYPE_PMGM_RING_INDICATE 0x6d 286 #define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e 287 #define RTAS_TYPE_PMGM_TIME_ALARM 0x6f 288 #define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70 289 #define RTAS_TYPE_PMGM_SERVICE_PROC 0x71 290 /* Platform Resource Reassignment Notification */ 291 #define RTAS_TYPE_PRRN 0xA0 292 293 /* RTAS check-exception vector offset */ 294 #define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500 295 296 static inline uint8_t rtas_error_severity(const struct rtas_error_log *elog) 297 { 298 return (elog->byte1 & 0xE0) >> 5; 299 } 300 301 static inline uint8_t rtas_error_disposition(const struct rtas_error_log *elog) 302 { 303 return (elog->byte1 & 0x18) >> 3; 304 } 305 306 static inline 307 void rtas_set_disposition_recovered(struct rtas_error_log *elog) 308 { 309 elog->byte1 &= ~0x18; 310 elog->byte1 |= (RTAS_DISP_FULLY_RECOVERED << 3); 311 } 312 313 static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog) 314 { 315 return (elog->byte1 & 0x04) >> 2; 316 } 317 318 static inline uint8_t rtas_error_initiator(const struct rtas_error_log *elog) 319 { 320 return (elog->byte2 & 0xf0) >> 4; 321 } 322 323 #define rtas_error_type(x) ((x)->byte3) 324 325 static inline 326 uint32_t rtas_error_extended_log_length(const struct rtas_error_log *elog) 327 { 328 return be32_to_cpu(elog->extended_log_length); 329 } 330 331 #define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14 332 333 #define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8)) 334 335 static 336 inline uint8_t rtas_ext_event_log_format(struct rtas_ext_event_log_v6 *ext_log) 337 { 338 return ext_log->byte2 & 0x0F; 339 } 340 341 static 342 inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log) 343 { 344 return be32_to_cpu(ext_log->company_id); 345 } 346 347 /* pSeries event log format */ 348 349 /* Two bytes ASCII section IDs */ 350 #define PSERIES_ELOG_SECT_ID_PRIV_HDR (('P' << 8) | 'H') 351 #define PSERIES_ELOG_SECT_ID_USER_HDR (('U' << 8) | 'H') 352 #define PSERIES_ELOG_SECT_ID_PRIMARY_SRC (('P' << 8) | 'S') 353 #define PSERIES_ELOG_SECT_ID_EXTENDED_UH (('E' << 8) | 'H') 354 #define PSERIES_ELOG_SECT_ID_FAILING_MTMS (('M' << 8) | 'T') 355 #define PSERIES_ELOG_SECT_ID_SECONDARY_SRC (('S' << 8) | 'S') 356 #define PSERIES_ELOG_SECT_ID_DUMP_LOCATOR (('D' << 8) | 'H') 357 #define PSERIES_ELOG_SECT_ID_FW_ERROR (('S' << 8) | 'W') 358 #define PSERIES_ELOG_SECT_ID_IMPACT_PART_ID (('L' << 8) | 'P') 359 #define PSERIES_ELOG_SECT_ID_LOGIC_RESOURCE_ID (('L' << 8) | 'R') 360 #define PSERIES_ELOG_SECT_ID_HMC_ID (('H' << 8) | 'M') 361 #define PSERIES_ELOG_SECT_ID_EPOW (('E' << 8) | 'P') 362 #define PSERIES_ELOG_SECT_ID_IO_EVENT (('I' << 8) | 'E') 363 #define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' << 8) | 'I') 364 #define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' << 8) | 'H') 365 #define PSERIES_ELOG_SECT_ID_USER_DEF (('U' << 8) | 'D') 366 #define PSERIES_ELOG_SECT_ID_HOTPLUG (('H' << 8) | 'P') 367 #define PSERIES_ELOG_SECT_ID_MCE (('M' << 8) | 'C') 368 369 static 370 inline uint16_t pseries_errorlog_id(struct pseries_errorlog *sect) 371 { 372 return be16_to_cpu(sect->id); 373 } 374 375 static 376 inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect) 377 { 378 return be16_to_cpu(sect->length); 379 } 380 381 #define PSERIES_HP_ELOG_RESOURCE_CPU 1 382 #define PSERIES_HP_ELOG_RESOURCE_MEM 2 383 #define PSERIES_HP_ELOG_RESOURCE_SLOT 3 384 #define PSERIES_HP_ELOG_RESOURCE_PHB 4 385 #define PSERIES_HP_ELOG_RESOURCE_PMEM 6 386 387 #define PSERIES_HP_ELOG_ACTION_ADD 1 388 #define PSERIES_HP_ELOG_ACTION_REMOVE 2 389 390 #define PSERIES_HP_ELOG_ID_DRC_NAME 1 391 #define PSERIES_HP_ELOG_ID_DRC_INDEX 2 392 #define PSERIES_HP_ELOG_ID_DRC_COUNT 3 393 #define PSERIES_HP_ELOG_ID_DRC_IC 4 394 395 struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log, 396 uint16_t section_id); 397 398 /* 399 * This can be set by the rtas_flash module so that it can get called 400 * as the absolutely last thing before the kernel terminates. 401 */ 402 extern void (*rtas_flash_term_hook)(int); 403 404 extern struct rtas_t rtas; 405 406 s32 rtas_function_token(const rtas_fn_handle_t handle); 407 static inline bool rtas_function_implemented(const rtas_fn_handle_t handle) 408 { 409 return rtas_function_token(handle) != RTAS_UNKNOWN_SERVICE; 410 } 411 extern int rtas_token(const char *service); 412 extern int rtas_service_present(const char *service); 413 extern int rtas_call(int token, int, int, int *, ...); 414 void rtas_call_unlocked(struct rtas_args *args, int token, int nargs, 415 int nret, ...); 416 extern void __noreturn rtas_restart(char *cmd); 417 extern void rtas_power_off(void); 418 extern void __noreturn rtas_halt(void); 419 extern void rtas_os_term(char *str); 420 void rtas_activate_firmware(void); 421 extern int rtas_get_sensor(int sensor, int index, int *state); 422 extern int rtas_get_sensor_fast(int sensor, int index, int *state); 423 extern int rtas_get_power_level(int powerdomain, int *level); 424 extern int rtas_set_power_level(int powerdomain, int level, int *setlevel); 425 extern bool rtas_indicator_present(int token, int *maxindex); 426 extern int rtas_set_indicator(int indicator, int index, int new_value); 427 extern int rtas_set_indicator_fast(int indicator, int index, int new_value); 428 extern void rtas_progress(char *s, unsigned short hex); 429 int rtas_ibm_suspend_me(int *fw_status); 430 int rtas_error_rc(int rtas_rc); 431 432 struct rtc_time; 433 extern time64_t rtas_get_boot_time(void); 434 extern void rtas_get_rtc_time(struct rtc_time *rtc_time); 435 extern int rtas_set_rtc_time(struct rtc_time *rtc_time); 436 437 extern unsigned int rtas_busy_delay_time(int status); 438 bool rtas_busy_delay(int status); 439 440 extern int early_init_dt_scan_rtas(unsigned long node, 441 const char *uname, int depth, void *data); 442 443 extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal); 444 445 #ifdef CONFIG_PPC_PSERIES 446 extern time64_t last_rtas_event; 447 extern int clobbering_unread_rtas_event(void); 448 extern void post_mobility_fixup(void); 449 int rtas_syscall_dispatch_ibm_suspend_me(u64 handle); 450 #else 451 static inline int clobbering_unread_rtas_event(void) { return 0; } 452 static inline int rtas_syscall_dispatch_ibm_suspend_me(u64 handle) 453 { 454 return -EINVAL; 455 } 456 #endif 457 458 #ifdef CONFIG_PPC_RTAS_DAEMON 459 extern void rtas_cancel_event_scan(void); 460 #else 461 static inline void rtas_cancel_event_scan(void) { } 462 #endif 463 464 /* Error types logged. */ 465 #define ERR_FLAG_ALREADY_LOGGED 0x0 466 #define ERR_FLAG_BOOT 0x1 /* log was pulled from NVRAM on boot */ 467 #define ERR_TYPE_RTAS_LOG 0x2 /* from rtas event-scan */ 468 #define ERR_TYPE_KERNEL_PANIC 0x4 /* from die()/panic() */ 469 #define ERR_TYPE_KERNEL_PANIC_GZ 0x8 /* ditto, compressed */ 470 471 /* All the types and not flags */ 472 #define ERR_TYPE_MASK \ 473 (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC | ERR_TYPE_KERNEL_PANIC_GZ) 474 475 #define RTAS_DEBUG KERN_DEBUG "RTAS: " 476 477 #define RTAS_ERROR_LOG_MAX 2048 478 479 /* 480 * Return the firmware-specified size of the error log buffer 481 * for all rtas calls that require an error buffer argument. 482 * This includes 'check-exception' and 'rtas-last-error'. 483 */ 484 extern int rtas_get_error_log_max(void); 485 486 /* Event Scan Parameters */ 487 #define EVENT_SCAN_ALL_EVENTS 0xf0000000 488 #define SURVEILLANCE_TOKEN 9000 489 #define LOG_NUMBER 64 /* must be a power of two */ 490 #define LOG_NUMBER_MASK (LOG_NUMBER-1) 491 492 /* Some RTAS ops require a data buffer and that buffer must be < 4G. 493 * Rather than having a memory allocator, just use this buffer 494 * (get the lock first), make the RTAS call. Copy the data instead 495 * of holding the buffer for long. 496 */ 497 498 #define RTAS_DATA_BUF_SIZE 4096 499 extern spinlock_t rtas_data_buf_lock; 500 extern char rtas_data_buf[RTAS_DATA_BUF_SIZE]; 501 502 /* RMO buffer reserved for user-space RTAS use */ 503 extern unsigned long rtas_rmo_buf; 504 505 #define GLOBAL_INTERRUPT_QUEUE 9005 506 507 /** 508 * rtas_config_addr - Format a busno, devfn and reg for RTAS. 509 * @busno: The bus number. 510 * @devfn: The device and function number as encoded by PCI_DEVFN(). 511 * @reg: The register number. 512 * 513 * This function encodes the given busno, devfn and register number as 514 * required for RTAS calls that take a "config_addr" parameter. 515 * See PAPR requirement 7.3.4-1 for more info. 516 */ 517 static inline u32 rtas_config_addr(int busno, int devfn, int reg) 518 { 519 return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) | 520 (devfn << 8) | (reg & 0xff); 521 } 522 523 extern void rtas_give_timebase(void); 524 extern void rtas_take_timebase(void); 525 526 #ifdef CONFIG_PPC_RTAS 527 static inline int page_is_rtas_user_buf(unsigned long pfn) 528 { 529 unsigned long paddr = (pfn << PAGE_SHIFT); 530 if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_USER_REGION_SIZE)) 531 return 1; 532 return 0; 533 } 534 535 /* Not the best place to put pSeries_coalesce_init, will be fixed when we 536 * move some of the rtas suspend-me stuff to pseries */ 537 extern void pSeries_coalesce_init(void); 538 void rtas_initialize(void); 539 #else 540 static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} 541 static inline void pSeries_coalesce_init(void) { } 542 static inline void rtas_initialize(void) { } 543 #endif 544 545 extern int call_rtas(const char *, int, int, unsigned long *, ...); 546 547 #ifdef CONFIG_HV_PERF_CTRS 548 void read_24x7_sys_info(void); 549 #else 550 static inline void read_24x7_sys_info(void) { } 551 #endif 552 553 #endif /* __KERNEL__ */ 554 #endif /* _POWERPC_RTAS_H */ 555