| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| #ifndef _POWERPC_RTAS_H |
| #define _POWERPC_RTAS_H |
| #ifdef __KERNEL__ |
| |
| #include <linux/spinlock.h> |
| #include <asm/page.h> |
| #include <asm/rtas-types.h> |
| #include <linux/time.h> |
| #include <linux/cpumask.h> |
| |
| /* |
| * Definitions for talking to the RTAS on CHRP machines. |
| * |
| * Copyright (C) 2001 Peter Bergner |
| * Copyright (C) 2001 PPC 64 Team, IBM Corp |
| */ |
| |
| enum rtas_function_index { |
| RTAS_FNIDX__CHECK_EXCEPTION, |
| RTAS_FNIDX__DISPLAY_CHARACTER, |
| RTAS_FNIDX__EVENT_SCAN, |
| RTAS_FNIDX__FREEZE_TIME_BASE, |
| RTAS_FNIDX__GET_POWER_LEVEL, |
| RTAS_FNIDX__GET_SENSOR_STATE, |
| RTAS_FNIDX__GET_TERM_CHAR, |
| RTAS_FNIDX__GET_TIME_OF_DAY, |
| RTAS_FNIDX__IBM_ACTIVATE_FIRMWARE, |
| RTAS_FNIDX__IBM_CBE_START_PTCAL, |
| RTAS_FNIDX__IBM_CBE_STOP_PTCAL, |
| RTAS_FNIDX__IBM_CHANGE_MSI, |
| RTAS_FNIDX__IBM_CLOSE_ERRINJCT, |
| RTAS_FNIDX__IBM_CONFIGURE_BRIDGE, |
| RTAS_FNIDX__IBM_CONFIGURE_CONNECTOR, |
| RTAS_FNIDX__IBM_CONFIGURE_KERNEL_DUMP, |
| RTAS_FNIDX__IBM_CONFIGURE_PE, |
| RTAS_FNIDX__IBM_CREATE_PE_DMA_WINDOW, |
| RTAS_FNIDX__IBM_DISPLAY_MESSAGE, |
| RTAS_FNIDX__IBM_ERRINJCT, |
| RTAS_FNIDX__IBM_EXTI2C, |
| RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO, |
| RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO2, |
| RTAS_FNIDX__IBM_GET_DYNAMIC_SENSOR_STATE, |
| RTAS_FNIDX__IBM_GET_INDICES, |
| RTAS_FNIDX__IBM_GET_RIO_TOPOLOGY, |
| RTAS_FNIDX__IBM_GET_SYSTEM_PARAMETER, |
| RTAS_FNIDX__IBM_GET_VPD, |
| RTAS_FNIDX__IBM_GET_XIVE, |
| RTAS_FNIDX__IBM_INT_OFF, |
| RTAS_FNIDX__IBM_INT_ON, |
| RTAS_FNIDX__IBM_IO_QUIESCE_ACK, |
| RTAS_FNIDX__IBM_LPAR_PERFTOOLS, |
| RTAS_FNIDX__IBM_MANAGE_FLASH_IMAGE, |
| RTAS_FNIDX__IBM_MANAGE_STORAGE_PRESERVATION, |
| RTAS_FNIDX__IBM_NMI_INTERLOCK, |
| RTAS_FNIDX__IBM_NMI_REGISTER, |
| RTAS_FNIDX__IBM_OPEN_ERRINJCT, |
| RTAS_FNIDX__IBM_OPEN_SRIOV_ALLOW_UNFREEZE, |
| RTAS_FNIDX__IBM_OPEN_SRIOV_MAP_PE_NUMBER, |
| RTAS_FNIDX__IBM_OS_TERM, |
| RTAS_FNIDX__IBM_PARTNER_CONTROL, |
| RTAS_FNIDX__IBM_PHYSICAL_ATTESTATION, |
| RTAS_FNIDX__IBM_PLATFORM_DUMP, |
| RTAS_FNIDX__IBM_POWER_OFF_UPS, |
| RTAS_FNIDX__IBM_QUERY_INTERRUPT_SOURCE_NUMBER, |
| RTAS_FNIDX__IBM_QUERY_PE_DMA_WINDOW, |
| RTAS_FNIDX__IBM_READ_PCI_CONFIG, |
| RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE, |
| RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE2, |
| RTAS_FNIDX__IBM_REMOVE_PE_DMA_WINDOW, |
| RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOWS, |
| RTAS_FNIDX__IBM_SCAN_LOG_DUMP, |
| RTAS_FNIDX__IBM_SET_DYNAMIC_INDICATOR, |
| RTAS_FNIDX__IBM_SET_EEH_OPTION, |
| RTAS_FNIDX__IBM_SET_SLOT_RESET, |
| RTAS_FNIDX__IBM_SET_SYSTEM_PARAMETER, |
| RTAS_FNIDX__IBM_SET_XIVE, |
| RTAS_FNIDX__IBM_SLOT_ERROR_DETAIL, |
| RTAS_FNIDX__IBM_SUSPEND_ME, |
| RTAS_FNIDX__IBM_TUNE_DMA_PARMS, |
| RTAS_FNIDX__IBM_UPDATE_FLASH_64_AND_REBOOT, |
| RTAS_FNIDX__IBM_UPDATE_NODES, |
| RTAS_FNIDX__IBM_UPDATE_PROPERTIES, |
| RTAS_FNIDX__IBM_VALIDATE_FLASH_IMAGE, |
| RTAS_FNIDX__IBM_WRITE_PCI_CONFIG, |
| RTAS_FNIDX__NVRAM_FETCH, |
| RTAS_FNIDX__NVRAM_STORE, |
| RTAS_FNIDX__POWER_OFF, |
| RTAS_FNIDX__PUT_TERM_CHAR, |
| RTAS_FNIDX__QUERY_CPU_STOPPED_STATE, |
| RTAS_FNIDX__READ_PCI_CONFIG, |
| RTAS_FNIDX__RTAS_LAST_ERROR, |
| RTAS_FNIDX__SET_INDICATOR, |
| RTAS_FNIDX__SET_POWER_LEVEL, |
| RTAS_FNIDX__SET_TIME_FOR_POWER_ON, |
| RTAS_FNIDX__SET_TIME_OF_DAY, |
| RTAS_FNIDX__START_CPU, |
| RTAS_FNIDX__STOP_SELF, |
| RTAS_FNIDX__SYSTEM_REBOOT, |
| RTAS_FNIDX__THAW_TIME_BASE, |
| RTAS_FNIDX__WRITE_PCI_CONFIG, |
| }; |
| |
| /* |
| * Opaque handle for client code to refer to RTAS functions. All valid |
| * function handles are build-time constants prefixed with RTAS_FN_. |
| */ |
| typedef struct { |
| const enum rtas_function_index index; |
| } rtas_fn_handle_t; |
| |
| |
| #define rtas_fn_handle(x_) ((const rtas_fn_handle_t) { .index = x_, }) |
| |
| #define RTAS_FN_CHECK_EXCEPTION rtas_fn_handle(RTAS_FNIDX__CHECK_EXCEPTION) |
| #define RTAS_FN_DISPLAY_CHARACTER rtas_fn_handle(RTAS_FNIDX__DISPLAY_CHARACTER) |
| #define RTAS_FN_EVENT_SCAN rtas_fn_handle(RTAS_FNIDX__EVENT_SCAN) |
| #define RTAS_FN_FREEZE_TIME_BASE rtas_fn_handle(RTAS_FNIDX__FREEZE_TIME_BASE) |
| #define RTAS_FN_GET_POWER_LEVEL rtas_fn_handle(RTAS_FNIDX__GET_POWER_LEVEL) |
| #define RTAS_FN_GET_SENSOR_STATE rtas_fn_handle(RTAS_FNIDX__GET_SENSOR_STATE) |
| #define RTAS_FN_GET_TERM_CHAR rtas_fn_handle(RTAS_FNIDX__GET_TERM_CHAR) |
| #define RTAS_FN_GET_TIME_OF_DAY rtas_fn_handle(RTAS_FNIDX__GET_TIME_OF_DAY) |
| #define RTAS_FN_IBM_ACTIVATE_FIRMWARE rtas_fn_handle(RTAS_FNIDX__IBM_ACTIVATE_FIRMWARE) |
| #define RTAS_FN_IBM_CBE_START_PTCAL rtas_fn_handle(RTAS_FNIDX__IBM_CBE_START_PTCAL) |
| #define RTAS_FN_IBM_CBE_STOP_PTCAL rtas_fn_handle(RTAS_FNIDX__IBM_CBE_STOP_PTCAL) |
| #define RTAS_FN_IBM_CHANGE_MSI rtas_fn_handle(RTAS_FNIDX__IBM_CHANGE_MSI) |
| #define RTAS_FN_IBM_CLOSE_ERRINJCT rtas_fn_handle(RTAS_FNIDX__IBM_CLOSE_ERRINJCT) |
| #define RTAS_FN_IBM_CONFIGURE_BRIDGE rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_BRIDGE) |
| #define RTAS_FN_IBM_CONFIGURE_CONNECTOR rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_CONNECTOR) |
| #define RTAS_FN_IBM_CONFIGURE_KERNEL_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_KERNEL_DUMP) |
| #define RTAS_FN_IBM_CONFIGURE_PE rtas_fn_handle(RTAS_FNIDX__IBM_CONFIGURE_PE) |
| #define RTAS_FN_IBM_CREATE_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_CREATE_PE_DMA_WINDOW) |
| #define RTAS_FN_IBM_DISPLAY_MESSAGE rtas_fn_handle(RTAS_FNIDX__IBM_DISPLAY_MESSAGE) |
| #define RTAS_FN_IBM_ERRINJCT rtas_fn_handle(RTAS_FNIDX__IBM_ERRINJCT) |
| #define RTAS_FN_IBM_EXTI2C rtas_fn_handle(RTAS_FNIDX__IBM_EXTI2C) |
| #define RTAS_FN_IBM_GET_CONFIG_ADDR_INFO rtas_fn_handle(RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO) |
| #define RTAS_FN_IBM_GET_CONFIG_ADDR_INFO2 rtas_fn_handle(RTAS_FNIDX__IBM_GET_CONFIG_ADDR_INFO2) |
| #define RTAS_FN_IBM_GET_DYNAMIC_SENSOR_STATE rtas_fn_handle(RTAS_FNIDX__IBM_GET_DYNAMIC_SENSOR_STATE) |
| #define RTAS_FN_IBM_GET_INDICES rtas_fn_handle(RTAS_FNIDX__IBM_GET_INDICES) |
| #define RTAS_FN_IBM_GET_RIO_TOPOLOGY rtas_fn_handle(RTAS_FNIDX__IBM_GET_RIO_TOPOLOGY) |
| #define RTAS_FN_IBM_GET_SYSTEM_PARAMETER rtas_fn_handle(RTAS_FNIDX__IBM_GET_SYSTEM_PARAMETER) |
| #define RTAS_FN_IBM_GET_VPD rtas_fn_handle(RTAS_FNIDX__IBM_GET_VPD) |
| #define RTAS_FN_IBM_GET_XIVE rtas_fn_handle(RTAS_FNIDX__IBM_GET_XIVE) |
| #define RTAS_FN_IBM_INT_OFF rtas_fn_handle(RTAS_FNIDX__IBM_INT_OFF) |
| #define RTAS_FN_IBM_INT_ON rtas_fn_handle(RTAS_FNIDX__IBM_INT_ON) |
| #define RTAS_FN_IBM_IO_QUIESCE_ACK rtas_fn_handle(RTAS_FNIDX__IBM_IO_QUIESCE_ACK) |
| #define RTAS_FN_IBM_LPAR_PERFTOOLS rtas_fn_handle(RTAS_FNIDX__IBM_LPAR_PERFTOOLS) |
| #define RTAS_FN_IBM_MANAGE_FLASH_IMAGE rtas_fn_handle(RTAS_FNIDX__IBM_MANAGE_FLASH_IMAGE) |
| #define RTAS_FN_IBM_MANAGE_STORAGE_PRESERVATION rtas_fn_handle(RTAS_FNIDX__IBM_MANAGE_STORAGE_PRESERVATION) |
| #define RTAS_FN_IBM_NMI_INTERLOCK rtas_fn_handle(RTAS_FNIDX__IBM_NMI_INTERLOCK) |
| #define RTAS_FN_IBM_NMI_REGISTER rtas_fn_handle(RTAS_FNIDX__IBM_NMI_REGISTER) |
| #define RTAS_FN_IBM_OPEN_ERRINJCT rtas_fn_handle(RTAS_FNIDX__IBM_OPEN_ERRINJCT) |
| #define RTAS_FN_IBM_OPEN_SRIOV_ALLOW_UNFREEZE rtas_fn_handle(RTAS_FNIDX__IBM_OPEN_SRIOV_ALLOW_UNFREEZE) |
| #define RTAS_FN_IBM_OPEN_SRIOV_MAP_PE_NUMBER rtas_fn_handle(RTAS_FNIDX__IBM_OPEN_SRIOV_MAP_PE_NUMBER) |
| #define RTAS_FN_IBM_OS_TERM rtas_fn_handle(RTAS_FNIDX__IBM_OS_TERM) |
| #define RTAS_FN_IBM_PARTNER_CONTROL rtas_fn_handle(RTAS_FNIDX__IBM_PARTNER_CONTROL) |
| #define RTAS_FN_IBM_PHYSICAL_ATTESTATION rtas_fn_handle(RTAS_FNIDX__IBM_PHYSICAL_ATTESTATION) |
| #define RTAS_FN_IBM_PLATFORM_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_PLATFORM_DUMP) |
| #define RTAS_FN_IBM_POWER_OFF_UPS rtas_fn_handle(RTAS_FNIDX__IBM_POWER_OFF_UPS) |
| #define RTAS_FN_IBM_QUERY_INTERRUPT_SOURCE_NUMBER rtas_fn_handle(RTAS_FNIDX__IBM_QUERY_INTERRUPT_SOURCE_NUMBER) |
| #define RTAS_FN_IBM_QUERY_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_QUERY_PE_DMA_WINDOW) |
| #define RTAS_FN_IBM_READ_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__IBM_READ_PCI_CONFIG) |
| #define RTAS_FN_IBM_READ_SLOT_RESET_STATE rtas_fn_handle(RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE) |
| #define RTAS_FN_IBM_READ_SLOT_RESET_STATE2 rtas_fn_handle(RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE2) |
| #define RTAS_FN_IBM_REMOVE_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_REMOVE_PE_DMA_WINDOW) |
| #define RTAS_FN_IBM_RESET_PE_DMA_WINDOWS rtas_fn_handle(RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOWS) |
| #define RTAS_FN_IBM_SCAN_LOG_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_SCAN_LOG_DUMP) |
| #define RTAS_FN_IBM_SET_DYNAMIC_INDICATOR rtas_fn_handle(RTAS_FNIDX__IBM_SET_DYNAMIC_INDICATOR) |
| #define RTAS_FN_IBM_SET_EEH_OPTION rtas_fn_handle(RTAS_FNIDX__IBM_SET_EEH_OPTION) |
| #define RTAS_FN_IBM_SET_SLOT_RESET rtas_fn_handle(RTAS_FNIDX__IBM_SET_SLOT_RESET) |
| #define RTAS_FN_IBM_SET_SYSTEM_PARAMETER rtas_fn_handle(RTAS_FNIDX__IBM_SET_SYSTEM_PARAMETER) |
| #define RTAS_FN_IBM_SET_XIVE rtas_fn_handle(RTAS_FNIDX__IBM_SET_XIVE) |
| #define RTAS_FN_IBM_SLOT_ERROR_DETAIL rtas_fn_handle(RTAS_FNIDX__IBM_SLOT_ERROR_DETAIL) |
| #define RTAS_FN_IBM_SUSPEND_ME rtas_fn_handle(RTAS_FNIDX__IBM_SUSPEND_ME) |
| #define RTAS_FN_IBM_TUNE_DMA_PARMS rtas_fn_handle(RTAS_FNIDX__IBM_TUNE_DMA_PARMS) |
| #define RTAS_FN_IBM_UPDATE_FLASH_64_AND_REBOOT rtas_fn_handle(RTAS_FNIDX__IBM_UPDATE_FLASH_64_AND_REBOOT) |
| #define RTAS_FN_IBM_UPDATE_NODES rtas_fn_handle(RTAS_FNIDX__IBM_UPDATE_NODES) |
| #define RTAS_FN_IBM_UPDATE_PROPERTIES rtas_fn_handle(RTAS_FNIDX__IBM_UPDATE_PROPERTIES) |
| #define RTAS_FN_IBM_VALIDATE_FLASH_IMAGE rtas_fn_handle(RTAS_FNIDX__IBM_VALIDATE_FLASH_IMAGE) |
| #define RTAS_FN_IBM_WRITE_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__IBM_WRITE_PCI_CONFIG) |
| #define RTAS_FN_NVRAM_FETCH rtas_fn_handle(RTAS_FNIDX__NVRAM_FETCH) |
| #define RTAS_FN_NVRAM_STORE rtas_fn_handle(RTAS_FNIDX__NVRAM_STORE) |
| #define RTAS_FN_POWER_OFF rtas_fn_handle(RTAS_FNIDX__POWER_OFF) |
| #define RTAS_FN_PUT_TERM_CHAR rtas_fn_handle(RTAS_FNIDX__PUT_TERM_CHAR) |
| #define RTAS_FN_QUERY_CPU_STOPPED_STATE rtas_fn_handle(RTAS_FNIDX__QUERY_CPU_STOPPED_STATE) |
| #define RTAS_FN_READ_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__READ_PCI_CONFIG) |
| #define RTAS_FN_RTAS_LAST_ERROR rtas_fn_handle(RTAS_FNIDX__RTAS_LAST_ERROR) |
| #define RTAS_FN_SET_INDICATOR rtas_fn_handle(RTAS_FNIDX__SET_INDICATOR) |
| #define RTAS_FN_SET_POWER_LEVEL rtas_fn_handle(RTAS_FNIDX__SET_POWER_LEVEL) |
| #define RTAS_FN_SET_TIME_FOR_POWER_ON rtas_fn_handle(RTAS_FNIDX__SET_TIME_FOR_POWER_ON) |
| #define RTAS_FN_SET_TIME_OF_DAY rtas_fn_handle(RTAS_FNIDX__SET_TIME_OF_DAY) |
| #define RTAS_FN_START_CPU rtas_fn_handle(RTAS_FNIDX__START_CPU) |
| #define RTAS_FN_STOP_SELF rtas_fn_handle(RTAS_FNIDX__STOP_SELF) |
| #define RTAS_FN_SYSTEM_REBOOT rtas_fn_handle(RTAS_FNIDX__SYSTEM_REBOOT) |
| #define RTAS_FN_THAW_TIME_BASE rtas_fn_handle(RTAS_FNIDX__THAW_TIME_BASE) |
| #define RTAS_FN_WRITE_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__WRITE_PCI_CONFIG) |
| |
| #define RTAS_UNKNOWN_SERVICE (-1) |
| #define RTAS_INSTANTIATE_MAX (1ULL<<30) /* Don't instantiate rtas at/above this value */ |
| |
| /* Memory set aside for sys_rtas to use with calls that need a work area. */ |
| #define RTAS_USER_REGION_SIZE (64 * 1024) |
| |
| /* RTAS return status codes */ |
| #define RTAS_HARDWARE_ERROR -1 /* Hardware Error */ |
| #define RTAS_BUSY -2 /* RTAS Busy */ |
| #define RTAS_INVALID_PARAMETER -3 /* Invalid indicator/domain/sensor etc. */ |
| #define RTAS_EXTENDED_DELAY_MIN 9900 |
| #define RTAS_EXTENDED_DELAY_MAX 9905 |
| |
| /* statuses specific to ibm,suspend-me */ |
| #define RTAS_SUSPEND_ABORTED 9000 /* Suspension aborted */ |
| #define RTAS_NOT_SUSPENDABLE -9004 /* Partition not suspendable */ |
| #define RTAS_THREADS_ACTIVE -9005 /* Multiple processor threads active */ |
| #define RTAS_OUTSTANDING_COPROC -9006 /* Outstanding coprocessor operations */ |
| |
| /* RTAS event classes */ |
| #define RTAS_INTERNAL_ERROR 0x80000000 /* set bit 0 */ |
| #define RTAS_EPOW_WARNING 0x40000000 /* set bit 1 */ |
| #define RTAS_HOTPLUG_EVENTS 0x10000000 /* set bit 3 */ |
| #define RTAS_IO_EVENTS 0x08000000 /* set bit 4 */ |
| #define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff |
| |
| /* RTAS event severity */ |
| #define RTAS_SEVERITY_FATAL 0x5 |
| #define RTAS_SEVERITY_ERROR 0x4 |
| #define RTAS_SEVERITY_ERROR_SYNC 0x3 |
| #define RTAS_SEVERITY_WARNING 0x2 |
| #define RTAS_SEVERITY_EVENT 0x1 |
| #define RTAS_SEVERITY_NO_ERROR 0x0 |
| |
| /* RTAS event disposition */ |
| #define RTAS_DISP_FULLY_RECOVERED 0x0 |
| #define RTAS_DISP_LIMITED_RECOVERY 0x1 |
| #define RTAS_DISP_NOT_RECOVERED 0x2 |
| |
| /* RTAS event initiator */ |
| #define RTAS_INITIATOR_UNKNOWN 0x0 |
| #define RTAS_INITIATOR_CPU 0x1 |
| #define RTAS_INITIATOR_PCI 0x2 |
| #define RTAS_INITIATOR_ISA 0x3 |
| #define RTAS_INITIATOR_MEMORY 0x4 |
| #define RTAS_INITIATOR_POWERMGM 0x5 |
| |
| /* RTAS event target */ |
| #define RTAS_TARGET_UNKNOWN 0x0 |
| #define RTAS_TARGET_CPU 0x1 |
| #define RTAS_TARGET_PCI 0x2 |
| #define RTAS_TARGET_ISA 0x3 |
| #define RTAS_TARGET_MEMORY 0x4 |
| #define RTAS_TARGET_POWERMGM 0x5 |
| |
| /* RTAS event type */ |
| #define RTAS_TYPE_RETRY 0x01 |
| #define RTAS_TYPE_TCE_ERR 0x02 |
| #define RTAS_TYPE_INTERN_DEV_FAIL 0x03 |
| #define RTAS_TYPE_TIMEOUT 0x04 |
| #define RTAS_TYPE_DATA_PARITY 0x05 |
| #define RTAS_TYPE_ADDR_PARITY 0x06 |
| #define RTAS_TYPE_CACHE_PARITY 0x07 |
| #define RTAS_TYPE_ADDR_INVALID 0x08 |
| #define RTAS_TYPE_ECC_UNCORR 0x09 |
| #define RTAS_TYPE_ECC_CORR 0x0a |
| #define RTAS_TYPE_EPOW 0x40 |
| #define RTAS_TYPE_PLATFORM 0xE0 |
| #define RTAS_TYPE_IO 0xE1 |
| #define RTAS_TYPE_INFO 0xE2 |
| #define RTAS_TYPE_DEALLOC 0xE3 |
| #define RTAS_TYPE_DUMP 0xE4 |
| #define RTAS_TYPE_HOTPLUG 0xE5 |
| /* I don't add PowerMGM events right now, this is a different topic */ |
| #define RTAS_TYPE_PMGM_POWER_SW_ON 0x60 |
| #define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61 |
| #define RTAS_TYPE_PMGM_LID_OPEN 0x62 |
| #define RTAS_TYPE_PMGM_LID_CLOSE 0x63 |
| #define RTAS_TYPE_PMGM_SLEEP_BTN 0x64 |
| #define RTAS_TYPE_PMGM_WAKE_BTN 0x65 |
| #define RTAS_TYPE_PMGM_BATTERY_WARN 0x66 |
| #define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67 |
| #define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68 |
| #define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69 |
| #define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a |
| #define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b |
| #define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c |
| #define RTAS_TYPE_PMGM_RING_INDICATE 0x6d |
| #define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e |
| #define RTAS_TYPE_PMGM_TIME_ALARM 0x6f |
| #define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70 |
| #define RTAS_TYPE_PMGM_SERVICE_PROC 0x71 |
| /* Platform Resource Reassignment Notification */ |
| #define RTAS_TYPE_PRRN 0xA0 |
| |
| /* RTAS check-exception vector offset */ |
| #define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500 |
| |
| static inline uint8_t rtas_error_severity(const struct rtas_error_log *elog) |
| { |
| return (elog->byte1 & 0xE0) >> 5; |
| } |
| |
| static inline uint8_t rtas_error_disposition(const struct rtas_error_log *elog) |
| { |
| return (elog->byte1 & 0x18) >> 3; |
| } |
| |
| static inline |
| void rtas_set_disposition_recovered(struct rtas_error_log *elog) |
| { |
| elog->byte1 &= ~0x18; |
| elog->byte1 |= (RTAS_DISP_FULLY_RECOVERED << 3); |
| } |
| |
| static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog) |
| { |
| return (elog->byte1 & 0x04) >> 2; |
| } |
| |
| static inline uint8_t rtas_error_initiator(const struct rtas_error_log *elog) |
| { |
| return (elog->byte2 & 0xf0) >> 4; |
| } |
| |
| #define rtas_error_type(x) ((x)->byte3) |
| |
| static inline |
| uint32_t rtas_error_extended_log_length(const struct rtas_error_log *elog) |
| { |
| return be32_to_cpu(elog->extended_log_length); |
| } |
| |
| #define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14 |
| |
| #define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8)) |
| |
| static |
| inline uint8_t rtas_ext_event_log_format(struct rtas_ext_event_log_v6 *ext_log) |
| { |
| return ext_log->byte2 & 0x0F; |
| } |
| |
| static |
| inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log) |
| { |
| return be32_to_cpu(ext_log->company_id); |
| } |
| |
| /* pSeries event log format */ |
| |
| /* Two bytes ASCII section IDs */ |
| #define PSERIES_ELOG_SECT_ID_PRIV_HDR (('P' << 8) | 'H') |
| #define PSERIES_ELOG_SECT_ID_USER_HDR (('U' << 8) | 'H') |
| #define PSERIES_ELOG_SECT_ID_PRIMARY_SRC (('P' << 8) | 'S') |
| #define PSERIES_ELOG_SECT_ID_EXTENDED_UH (('E' << 8) | 'H') |
| #define PSERIES_ELOG_SECT_ID_FAILING_MTMS (('M' << 8) | 'T') |
| #define PSERIES_ELOG_SECT_ID_SECONDARY_SRC (('S' << 8) | 'S') |
| #define PSERIES_ELOG_SECT_ID_DUMP_LOCATOR (('D' << 8) | 'H') |
| #define PSERIES_ELOG_SECT_ID_FW_ERROR (('S' << 8) | 'W') |
| #define PSERIES_ELOG_SECT_ID_IMPACT_PART_ID (('L' << 8) | 'P') |
| #define PSERIES_ELOG_SECT_ID_LOGIC_RESOURCE_ID (('L' << 8) | 'R') |
| #define PSERIES_ELOG_SECT_ID_HMC_ID (('H' << 8) | 'M') |
| #define PSERIES_ELOG_SECT_ID_EPOW (('E' << 8) | 'P') |
| #define PSERIES_ELOG_SECT_ID_IO_EVENT (('I' << 8) | 'E') |
| #define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' << 8) | 'I') |
| #define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' << 8) | 'H') |
| #define PSERIES_ELOG_SECT_ID_USER_DEF (('U' << 8) | 'D') |
| #define PSERIES_ELOG_SECT_ID_HOTPLUG (('H' << 8) | 'P') |
| #define PSERIES_ELOG_SECT_ID_MCE (('M' << 8) | 'C') |
| |
| static |
| inline uint16_t pseries_errorlog_id(struct pseries_errorlog *sect) |
| { |
| return be16_to_cpu(sect->id); |
| } |
| |
| static |
| inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect) |
| { |
| return be16_to_cpu(sect->length); |
| } |
| |
| #define PSERIES_HP_ELOG_RESOURCE_CPU 1 |
| #define PSERIES_HP_ELOG_RESOURCE_MEM 2 |
| #define PSERIES_HP_ELOG_RESOURCE_SLOT 3 |
| #define PSERIES_HP_ELOG_RESOURCE_PHB 4 |
| #define PSERIES_HP_ELOG_RESOURCE_PMEM 6 |
| |
| #define PSERIES_HP_ELOG_ACTION_ADD 1 |
| #define PSERIES_HP_ELOG_ACTION_REMOVE 2 |
| |
| #define PSERIES_HP_ELOG_ID_DRC_NAME 1 |
| #define PSERIES_HP_ELOG_ID_DRC_INDEX 2 |
| #define PSERIES_HP_ELOG_ID_DRC_COUNT 3 |
| #define PSERIES_HP_ELOG_ID_DRC_IC 4 |
| |
| struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log, |
| uint16_t section_id); |
| |
| /* |
| * This can be set by the rtas_flash module so that it can get called |
| * as the absolutely last thing before the kernel terminates. |
| */ |
| extern void (*rtas_flash_term_hook)(int); |
| |
| extern struct rtas_t rtas; |
| |
| s32 rtas_function_token(const rtas_fn_handle_t handle); |
| static inline bool rtas_function_implemented(const rtas_fn_handle_t handle) |
| { |
| return rtas_function_token(handle) != RTAS_UNKNOWN_SERVICE; |
| } |
| extern int rtas_token(const char *service); |
| extern int rtas_service_present(const char *service); |
| extern int rtas_call(int token, int, int, int *, ...); |
| void rtas_call_unlocked(struct rtas_args *args, int token, int nargs, |
| int nret, ...); |
| extern void __noreturn rtas_restart(char *cmd); |
| extern void rtas_power_off(void); |
| extern void __noreturn rtas_halt(void); |
| extern void rtas_os_term(char *str); |
| void rtas_activate_firmware(void); |
| extern int rtas_get_sensor(int sensor, int index, int *state); |
| extern int rtas_get_sensor_fast(int sensor, int index, int *state); |
| extern int rtas_get_power_level(int powerdomain, int *level); |
| extern int rtas_set_power_level(int powerdomain, int level, int *setlevel); |
| extern bool rtas_indicator_present(int token, int *maxindex); |
| extern int rtas_set_indicator(int indicator, int index, int new_value); |
| extern int rtas_set_indicator_fast(int indicator, int index, int new_value); |
| extern void rtas_progress(char *s, unsigned short hex); |
| int rtas_ibm_suspend_me(int *fw_status); |
| int rtas_error_rc(int rtas_rc); |
| |
| struct rtc_time; |
| extern time64_t rtas_get_boot_time(void); |
| extern void rtas_get_rtc_time(struct rtc_time *rtc_time); |
| extern int rtas_set_rtc_time(struct rtc_time *rtc_time); |
| |
| extern unsigned int rtas_busy_delay_time(int status); |
| bool rtas_busy_delay(int status); |
| |
| extern int early_init_dt_scan_rtas(unsigned long node, |
| const char *uname, int depth, void *data); |
| |
| extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal); |
| |
| #ifdef CONFIG_PPC_PSERIES |
| extern time64_t last_rtas_event; |
| extern int clobbering_unread_rtas_event(void); |
| extern void post_mobility_fixup(void); |
| int rtas_syscall_dispatch_ibm_suspend_me(u64 handle); |
| #else |
| static inline int clobbering_unread_rtas_event(void) { return 0; } |
| static inline int rtas_syscall_dispatch_ibm_suspend_me(u64 handle) |
| { |
| return -EINVAL; |
| } |
| #endif |
| |
| #ifdef CONFIG_PPC_RTAS_DAEMON |
| extern void rtas_cancel_event_scan(void); |
| #else |
| static inline void rtas_cancel_event_scan(void) { } |
| #endif |
| |
| /* Error types logged. */ |
| #define ERR_FLAG_ALREADY_LOGGED 0x0 |
| #define ERR_FLAG_BOOT 0x1 /* log was pulled from NVRAM on boot */ |
| #define ERR_TYPE_RTAS_LOG 0x2 /* from rtas event-scan */ |
| #define ERR_TYPE_KERNEL_PANIC 0x4 /* from die()/panic() */ |
| #define ERR_TYPE_KERNEL_PANIC_GZ 0x8 /* ditto, compressed */ |
| |
| /* All the types and not flags */ |
| #define ERR_TYPE_MASK \ |
| (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC | ERR_TYPE_KERNEL_PANIC_GZ) |
| |
| #define RTAS_DEBUG KERN_DEBUG "RTAS: " |
| |
| #define RTAS_ERROR_LOG_MAX 2048 |
| |
| /* |
| * Return the firmware-specified size of the error log buffer |
| * for all rtas calls that require an error buffer argument. |
| * This includes 'check-exception' and 'rtas-last-error'. |
| */ |
| extern int rtas_get_error_log_max(void); |
| |
| /* Event Scan Parameters */ |
| #define EVENT_SCAN_ALL_EVENTS 0xf0000000 |
| #define SURVEILLANCE_TOKEN 9000 |
| #define LOG_NUMBER 64 /* must be a power of two */ |
| #define LOG_NUMBER_MASK (LOG_NUMBER-1) |
| |
| /* Some RTAS ops require a data buffer and that buffer must be < 4G. |
| * Rather than having a memory allocator, just use this buffer |
| * (get the lock first), make the RTAS call. Copy the data instead |
| * of holding the buffer for long. |
| */ |
| |
| #define RTAS_DATA_BUF_SIZE 4096 |
| extern spinlock_t rtas_data_buf_lock; |
| extern char rtas_data_buf[RTAS_DATA_BUF_SIZE]; |
| |
| /* RMO buffer reserved for user-space RTAS use */ |
| extern unsigned long rtas_rmo_buf; |
| |
| #define GLOBAL_INTERRUPT_QUEUE 9005 |
| |
| /** |
| * rtas_config_addr - Format a busno, devfn and reg for RTAS. |
| * @busno: The bus number. |
| * @devfn: The device and function number as encoded by PCI_DEVFN(). |
| * @reg: The register number. |
| * |
| * This function encodes the given busno, devfn and register number as |
| * required for RTAS calls that take a "config_addr" parameter. |
| * See PAPR requirement 7.3.4-1 for more info. |
| */ |
| static inline u32 rtas_config_addr(int busno, int devfn, int reg) |
| { |
| return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) | |
| (devfn << 8) | (reg & 0xff); |
| } |
| |
| extern void rtas_give_timebase(void); |
| extern void rtas_take_timebase(void); |
| |
| #ifdef CONFIG_PPC_RTAS |
| static inline int page_is_rtas_user_buf(unsigned long pfn) |
| { |
| unsigned long paddr = (pfn << PAGE_SHIFT); |
| if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_USER_REGION_SIZE)) |
| return 1; |
| return 0; |
| } |
| |
| /* Not the best place to put pSeries_coalesce_init, will be fixed when we |
| * move some of the rtas suspend-me stuff to pseries */ |
| extern void pSeries_coalesce_init(void); |
| void rtas_initialize(void); |
| #else |
| static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} |
| static inline void pSeries_coalesce_init(void) { } |
| static inline void rtas_initialize(void) { } |
| #endif |
| |
| extern int call_rtas(const char *, int, int, unsigned long *, ...); |
| |
| #ifdef CONFIG_HV_PERF_CTRS |
| void read_24x7_sys_info(void); |
| #else |
| static inline void read_24x7_sys_info(void) { } |
| #endif |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _POWERPC_RTAS_H */ |
