| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Nathan T. Lynch | 632 | 32.78% | 13 | 18.57% |
| Paul Mackerras | 598 | 31.02% | 7 | 10.00% |
| Greg Kurz | 166 | 8.61% | 1 | 1.43% |
| Tseng-Hui (Frank) Lin | 80 | 4.15% | 2 | 2.86% |
| Michael Ellerman | 58 | 3.01% | 4 | 5.71% |
| Nathan Fontenot | 51 | 2.65% | 4 | 5.71% |
| Mahesh Salgaonkar | 49 | 2.54% | 3 | 4.29% |
| Sukadev Bhattiprolu | 48 | 2.49% | 2 | 2.86% |
| Benjamin Herrenschmidt | 41 | 2.13% | 4 | 5.71% |
| Anton Blanchard | 34 | 1.76% | 3 | 4.29% |
| Jesse Larrew | 30 | 1.56% | 1 | 1.43% |
| Hari Bathini | 18 | 0.93% | 2 | 2.86% |
| Ravi K. Nittala | 16 | 0.83% | 1 | 1.43% |
| Linus Torvalds | 14 | 0.73% | 1 | 1.43% |
| Tom Rini | 10 | 0.52% | 1 | 1.43% |
| Arnd Bergmann | 9 | 0.47% | 3 | 4.29% |
| Kajol Jain | 9 | 0.47% | 1 | 1.43% |
| James Keniston | 8 | 0.41% | 1 | 1.43% |
| Oliver O'Halloran | 8 | 0.41% | 1 | 1.43% |
| Brian King | 6 | 0.31% | 1 | 1.43% |
| Ishizaki Kou | 5 | 0.26% | 1 | 1.43% |
| Mark Nelson | 5 | 0.26% | 1 | 1.43% |
| Dave C Boutcher | 4 | 0.21% | 1 | 1.43% |
| Sahil Mehta | 4 | 0.21% | 1 | 1.43% |
| Utz Bacher | 4 | 0.21% | 1 | 1.43% |
| Tyrel Datwyler | 3 | 0.16% | 1 | 1.43% |
| Leonardo Brás | 3 | 0.16% | 1 | 1.43% |
| Cyril Bur | 3 | 0.16% | 1 | 1.43% |
| John Rose | 3 | 0.16% | 1 | 1.43% |
| Haren Myneni | 2 | 0.10% | 1 | 1.43% |
| Daniel Axtens | 2 | 0.10% | 1 | 1.43% |
| Thomas Gleixner | 2 | 0.10% | 1 | 1.43% |
| Thomas Huth | 2 | 0.10% | 1 | 1.43% |
| Ingo Molnar | 1 | 0.05% | 1 | 1.43% |
| Total | 1928 | 70 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _POWERPC_RTAS_H #define _POWERPC_RTAS_H #ifdef __KERNEL__ #include <linux/mutex.h> #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_WINDOW, 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_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOW) #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) /* * Common RTAS function return values, derived from the table "RTAS * Status Word Values" in PAPR+ v2.13 7.2.8: "Return Codes". If a * function can return a value in this table then generally it has the * meaning listed here. More extended commentary in the documentation * for rtas_call(). * * RTAS functions may use negative and positive numbers not in this * set for function-specific error and success conditions, * respectively. */ #define RTAS_SUCCESS 0 /* Success. */ #define RTAS_HARDWARE_ERROR -1 /* Hardware or other unspecified error. */ #define RTAS_BUSY -2 /* Retry immediately. */ #define RTAS_INVALID_PARAMETER -3 /* Invalid indicator/domain/sensor etc. */ #define RTAS_UNEXPECTED_STATE_CHANGE -7 /* Seems limited to EEH and slot reset. */ #define RTAS_EXTENDED_DELAY_MIN 9900 /* Retry after delaying for ~1ms. */ #define RTAS_EXTENDED_DELAY_MAX 9905 /* Retry after delaying for ~100s. */ #define RTAS_ML_ISOLATION_ERROR -9000 /* Multi-level isolation error. */ /* 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; } int rtas_token(const char *service); int rtas_call(int token, int nargs, int nret, int *outputs, ...); void rtas_call_unlocked(struct rtas_args *args, int token, int nargs, int nret, ...); void __noreturn rtas_restart(char *cmd); void rtas_power_off(void); void __noreturn rtas_halt(void); void rtas_os_term(char *str); void rtas_activate_firmware(void); int rtas_get_sensor(int sensor, int index, int *state); int rtas_get_sensor_fast(int sensor, int index, int *state); int rtas_get_power_level(int powerdomain, int *level); int rtas_set_power_level(int powerdomain, int level, int *setlevel); bool rtas_indicator_present(int token, int *maxindex); int rtas_set_indicator(int indicator, int index, int new_value); int rtas_set_indicator_fast(int indicator, int index, int new_value); 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; time64_t rtas_get_boot_time(void); void rtas_get_rtc_time(struct rtc_time *rtc_time); int rtas_set_rtc_time(struct rtc_time *rtc_time); unsigned int rtas_busy_delay_time(int status); bool rtas_busy_delay(int status); int early_init_dt_scan_rtas(unsigned long node, const char *uname, int depth, void *data); void pSeries_log_error(char *buf, unsigned int err_type, int fatal); #ifdef CONFIG_PPC_PSERIES extern time64_t last_rtas_event; int clobbering_unread_rtas_event(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 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'. */ 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; extern struct mutex rtas_ibm_get_vpd_lock; #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); } void rtas_give_timebase(void); 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 */ 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 #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 */
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