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linux/arch/powerpc/include/asm/opal.h

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/*
* PowerNV OPAL definitions.
*
* Copyright 2011 IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef __OPAL_H
#define __OPAL_H
/****** Takeover interface ********/
/* PAPR H-Call used to querty the HAL existence and/or instanciate
* it from within pHyp (tech preview only).
*
* This is exclusively used in prom_init.c
*/
#ifndef __ASSEMBLY__
struct opal_takeover_args {
u64 k_image; /* r4 */
u64 k_size; /* r5 */
u64 k_entry; /* r6 */
u64 k_entry2; /* r7 */
u64 hal_addr; /* r8 */
u64 rd_image; /* r9 */
u64 rd_size; /* r10 */
u64 rd_loc; /* r11 */
};
/*
* SG entry
*
* WARNING: The current implementation requires each entry
* to represent a block that is 4k aligned *and* each block
* size except the last one in the list to be as well.
*/
struct opal_sg_entry {
__be64 data;
__be64 length;
};
/* SG list */
struct opal_sg_list {
__be64 length;
__be64 next;
struct opal_sg_entry entry[];
};
/* We calculate number of sg entries based on PAGE_SIZE */
#define SG_ENTRIES_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct opal_sg_entry))
extern long opal_query_takeover(u64 *hal_size, u64 *hal_align);
extern long opal_do_takeover(struct opal_takeover_args *args);
struct rtas_args;
extern int opal_enter_rtas(struct rtas_args *args,
unsigned long data,
unsigned long entry);
#endif /* __ASSEMBLY__ */
/****** OPAL APIs ******/
/* Return codes */
#define OPAL_SUCCESS 0
#define OPAL_PARAMETER -1
#define OPAL_BUSY -2
#define OPAL_PARTIAL -3
#define OPAL_CONSTRAINED -4
#define OPAL_CLOSED -5
#define OPAL_HARDWARE -6
#define OPAL_UNSUPPORTED -7
#define OPAL_PERMISSION -8
#define OPAL_NO_MEM -9
#define OPAL_RESOURCE -10
#define OPAL_INTERNAL_ERROR -11
#define OPAL_BUSY_EVENT -12
#define OPAL_HARDWARE_FROZEN -13
#define OPAL_WRONG_STATE -14
#define OPAL_ASYNC_COMPLETION -15
/* API Tokens (in r0) */
#define OPAL_INVALID_CALL -1
#define OPAL_CONSOLE_WRITE 1
#define OPAL_CONSOLE_READ 2
#define OPAL_RTC_READ 3
#define OPAL_RTC_WRITE 4
#define OPAL_CEC_POWER_DOWN 5
#define OPAL_CEC_REBOOT 6
#define OPAL_READ_NVRAM 7
#define OPAL_WRITE_NVRAM 8
#define OPAL_HANDLE_INTERRUPT 9
#define OPAL_POLL_EVENTS 10
#define OPAL_PCI_SET_HUB_TCE_MEMORY 11
#define OPAL_PCI_SET_PHB_TCE_MEMORY 12
#define OPAL_PCI_CONFIG_READ_BYTE 13
#define OPAL_PCI_CONFIG_READ_HALF_WORD 14
#define OPAL_PCI_CONFIG_READ_WORD 15
#define OPAL_PCI_CONFIG_WRITE_BYTE 16
#define OPAL_PCI_CONFIG_WRITE_HALF_WORD 17
#define OPAL_PCI_CONFIG_WRITE_WORD 18
#define OPAL_SET_XIVE 19
#define OPAL_GET_XIVE 20
#define OPAL_GET_COMPLETION_TOKEN_STATUS 21 /* obsolete */
#define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER 22
#define OPAL_PCI_EEH_FREEZE_STATUS 23
#define OPAL_PCI_SHPC 24
#define OPAL_CONSOLE_WRITE_BUFFER_SPACE 25
#define OPAL_PCI_EEH_FREEZE_CLEAR 26
#define OPAL_PCI_PHB_MMIO_ENABLE 27
#define OPAL_PCI_SET_PHB_MEM_WINDOW 28
#define OPAL_PCI_MAP_PE_MMIO_WINDOW 29
#define OPAL_PCI_SET_PHB_TABLE_MEMORY 30
#define OPAL_PCI_SET_PE 31
#define OPAL_PCI_SET_PELTV 32
#define OPAL_PCI_SET_MVE 33
#define OPAL_PCI_SET_MVE_ENABLE 34
#define OPAL_PCI_GET_XIVE_REISSUE 35
#define OPAL_PCI_SET_XIVE_REISSUE 36
#define OPAL_PCI_SET_XIVE_PE 37
#define OPAL_GET_XIVE_SOURCE 38
#define OPAL_GET_MSI_32 39
#define OPAL_GET_MSI_64 40
#define OPAL_START_CPU 41
#define OPAL_QUERY_CPU_STATUS 42
#define OPAL_WRITE_OPPANEL 43
#define OPAL_PCI_MAP_PE_DMA_WINDOW 44
#define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL 45
#define OPAL_PCI_RESET 49
#define OPAL_PCI_GET_HUB_DIAG_DATA 50
#define OPAL_PCI_GET_PHB_DIAG_DATA 51
#define OPAL_PCI_FENCE_PHB 52
#define OPAL_PCI_REINIT 53
#define OPAL_PCI_MASK_PE_ERROR 54
#define OPAL_SET_SLOT_LED_STATUS 55
#define OPAL_GET_EPOW_STATUS 56
#define OPAL_SET_SYSTEM_ATTENTION_LED 57
#define OPAL_RESERVED1 58
#define OPAL_RESERVED2 59
#define OPAL_PCI_NEXT_ERROR 60
#define OPAL_PCI_EEH_FREEZE_STATUS2 61
#define OPAL_PCI_POLL 62
#define OPAL_PCI_MSI_EOI 63
#define OPAL_PCI_GET_PHB_DIAG_DATA2 64
#define OPAL_XSCOM_READ 65
#define OPAL_XSCOM_WRITE 66
#define OPAL_LPC_READ 67
#define OPAL_LPC_WRITE 68
#define OPAL_RETURN_CPU 69
#define OPAL_ELOG_READ 71
#define OPAL_ELOG_WRITE 72
#define OPAL_ELOG_ACK 73
#define OPAL_ELOG_RESEND 74
#define OPAL_ELOG_SIZE 75
#define OPAL_FLASH_VALIDATE 76
#define OPAL_FLASH_MANAGE 77
#define OPAL_FLASH_UPDATE 78
#define OPAL_RESYNC_TIMEBASE 79
#define OPAL_DUMP_INIT 81
#define OPAL_DUMP_INFO 82
#define OPAL_DUMP_READ 83
#define OPAL_DUMP_ACK 84
#define OPAL_GET_MSG 85
#define OPAL_CHECK_ASYNC_COMPLETION 86
#define OPAL_SYNC_HOST_REBOOT 87
#define OPAL_SENSOR_READ 88
#define OPAL_GET_PARAM 89
#define OPAL_SET_PARAM 90
#define OPAL_DUMP_RESEND 91
#define OPAL_DUMP_INFO2 94
#ifndef __ASSEMBLY__
#include <linux/notifier.h>
/* Other enums */
enum OpalVendorApiTokens {
OPAL_START_VENDOR_API_RANGE = 1000, OPAL_END_VENDOR_API_RANGE = 1999
};
enum OpalFreezeState {
OPAL_EEH_STOPPED_NOT_FROZEN = 0,
OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
OPAL_EEH_STOPPED_DMA_FREEZE = 2,
OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
OPAL_EEH_STOPPED_RESET = 4,
OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
};
enum OpalEehFreezeActionToken {
OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3
};
enum OpalPciStatusToken {
OPAL_EEH_NO_ERROR = 0,
OPAL_EEH_IOC_ERROR = 1,
OPAL_EEH_PHB_ERROR = 2,
OPAL_EEH_PE_ERROR = 3,
OPAL_EEH_PE_MMIO_ERROR = 4,
OPAL_EEH_PE_DMA_ERROR = 5
};
enum OpalPciErrorSeverity {
OPAL_EEH_SEV_NO_ERROR = 0,
OPAL_EEH_SEV_IOC_DEAD = 1,
OPAL_EEH_SEV_PHB_DEAD = 2,
OPAL_EEH_SEV_PHB_FENCED = 3,
OPAL_EEH_SEV_PE_ER = 4,
OPAL_EEH_SEV_INF = 5
};
enum OpalShpcAction {
OPAL_SHPC_GET_LINK_STATE = 0,
OPAL_SHPC_GET_SLOT_STATE = 1
};
enum OpalShpcLinkState {
OPAL_SHPC_LINK_DOWN = 0,
OPAL_SHPC_LINK_UP = 1
};
enum OpalMmioWindowType {
OPAL_M32_WINDOW_TYPE = 1,
OPAL_M64_WINDOW_TYPE = 2,
OPAL_IO_WINDOW_TYPE = 3
};
enum OpalShpcSlotState {
OPAL_SHPC_DEV_NOT_PRESENT = 0,
OPAL_SHPC_DEV_PRESENT = 1
};
enum OpalExceptionHandler {
OPAL_MACHINE_CHECK_HANDLER = 1,
OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
OPAL_SOFTPATCH_HANDLER = 3
};
enum OpalPendingState {
OPAL_EVENT_OPAL_INTERNAL = 0x1,
OPAL_EVENT_NVRAM = 0x2,
OPAL_EVENT_RTC = 0x4,
OPAL_EVENT_CONSOLE_OUTPUT = 0x8,
OPAL_EVENT_CONSOLE_INPUT = 0x10,
OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
OPAL_EVENT_ERROR_LOG = 0x40,
OPAL_EVENT_EPOW = 0x80,
OPAL_EVENT_LED_STATUS = 0x100,
OPAL_EVENT_PCI_ERROR = 0x200,
OPAL_EVENT_DUMP_AVAIL = 0x400,
OPAL_EVENT_MSG_PENDING = 0x800,
};
enum OpalMessageType {
OPAL_MSG_ASYNC_COMP = 0, /* params[0] = token, params[1] = rc,
* additional params function-specific
*/
OPAL_MSG_MEM_ERR,
OPAL_MSG_EPOW,
OPAL_MSG_SHUTDOWN,
OPAL_MSG_TYPE_MAX,
};
/* Machine check related definitions */
enum OpalMCE_Version {
OpalMCE_V1 = 1,
};
enum OpalMCE_Severity {
OpalMCE_SEV_NO_ERROR = 0,
OpalMCE_SEV_WARNING = 1,
OpalMCE_SEV_ERROR_SYNC = 2,
OpalMCE_SEV_FATAL = 3,
};
enum OpalMCE_Disposition {
OpalMCE_DISPOSITION_RECOVERED = 0,
OpalMCE_DISPOSITION_NOT_RECOVERED = 1,
};
enum OpalMCE_Initiator {
OpalMCE_INITIATOR_UNKNOWN = 0,
OpalMCE_INITIATOR_CPU = 1,
};
enum OpalMCE_ErrorType {
OpalMCE_ERROR_TYPE_UNKNOWN = 0,
OpalMCE_ERROR_TYPE_UE = 1,
OpalMCE_ERROR_TYPE_SLB = 2,
OpalMCE_ERROR_TYPE_ERAT = 3,
OpalMCE_ERROR_TYPE_TLB = 4,
};
enum OpalMCE_UeErrorType {
OpalMCE_UE_ERROR_INDETERMINATE = 0,
OpalMCE_UE_ERROR_IFETCH = 1,
OpalMCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2,
OpalMCE_UE_ERROR_LOAD_STORE = 3,
OpalMCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4,
};
enum OpalMCE_SlbErrorType {
OpalMCE_SLB_ERROR_INDETERMINATE = 0,
OpalMCE_SLB_ERROR_PARITY = 1,
OpalMCE_SLB_ERROR_MULTIHIT = 2,
};
enum OpalMCE_EratErrorType {
OpalMCE_ERAT_ERROR_INDETERMINATE = 0,
OpalMCE_ERAT_ERROR_PARITY = 1,
OpalMCE_ERAT_ERROR_MULTIHIT = 2,
};
enum OpalMCE_TlbErrorType {
OpalMCE_TLB_ERROR_INDETERMINATE = 0,
OpalMCE_TLB_ERROR_PARITY = 1,
OpalMCE_TLB_ERROR_MULTIHIT = 2,
};
enum OpalThreadStatus {
OPAL_THREAD_INACTIVE = 0x0,
OPAL_THREAD_STARTED = 0x1,
OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
};
enum OpalPciBusCompare {
OpalPciBusAny = 0, /* Any bus number match */
OpalPciBus3Bits = 2, /* Match top 3 bits of bus number */
OpalPciBus4Bits = 3, /* Match top 4 bits of bus number */
OpalPciBus5Bits = 4, /* Match top 5 bits of bus number */
OpalPciBus6Bits = 5, /* Match top 6 bits of bus number */
OpalPciBus7Bits = 6, /* Match top 7 bits of bus number */
OpalPciBusAll = 7, /* Match bus number exactly */
};
enum OpalDeviceCompare {
OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
OPAL_COMPARE_RID_DEVICE_NUMBER = 1
};
enum OpalFuncCompare {
OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
};
enum OpalPeAction {
OPAL_UNMAP_PE = 0,
OPAL_MAP_PE = 1
};
enum OpalPeltvAction {
OPAL_REMOVE_PE_FROM_DOMAIN = 0,
OPAL_ADD_PE_TO_DOMAIN = 1
};
enum OpalMveEnableAction {
OPAL_DISABLE_MVE = 0,
OPAL_ENABLE_MVE = 1
};
enum OpalPciResetScope {
OPAL_PHB_COMPLETE = 1, OPAL_PCI_LINK = 2, OPAL_PHB_ERROR = 3,
OPAL_PCI_HOT_RESET = 4, OPAL_PCI_FUNDAMENTAL_RESET = 5,
OPAL_PCI_IODA_TABLE_RESET = 6,
};
enum OpalPciReinitScope {
OPAL_REINIT_PCI_DEV = 1000
};
enum OpalPciResetState {
OPAL_DEASSERT_RESET = 0,
OPAL_ASSERT_RESET = 1
};
enum OpalPciMaskAction {
OPAL_UNMASK_ERROR_TYPE = 0,
OPAL_MASK_ERROR_TYPE = 1
};
enum OpalSlotLedType {
OPAL_SLOT_LED_ID_TYPE = 0,
OPAL_SLOT_LED_FAULT_TYPE = 1
};
enum OpalLedAction {
OPAL_TURN_OFF_LED = 0,
OPAL_TURN_ON_LED = 1,
OPAL_QUERY_LED_STATE_AFTER_BUSY = 2
};
enum OpalEpowStatus {
OPAL_EPOW_NONE = 0,
OPAL_EPOW_UPS = 1,
OPAL_EPOW_OVER_AMBIENT_TEMP = 2,
OPAL_EPOW_OVER_INTERNAL_TEMP = 3
};
/*
* Address cycle types for LPC accesses. These also correspond
* to the content of the first cell of the "reg" property for
* device nodes on the LPC bus
*/
enum OpalLPCAddressType {
OPAL_LPC_MEM = 0,
OPAL_LPC_IO = 1,
OPAL_LPC_FW = 2,
};
/* System parameter permission */
enum OpalSysparamPerm {
OPAL_SYSPARAM_READ = 0x1,
OPAL_SYSPARAM_WRITE = 0x2,
OPAL_SYSPARAM_RW = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
};
struct opal_msg {
__be32 msg_type;
__be32 reserved;
__be64 params[8];
};
struct opal_machine_check_event {
enum OpalMCE_Version version:8; /* 0x00 */
uint8_t in_use; /* 0x01 */
enum OpalMCE_Severity severity:8; /* 0x02 */
enum OpalMCE_Initiator initiator:8; /* 0x03 */
enum OpalMCE_ErrorType error_type:8; /* 0x04 */
enum OpalMCE_Disposition disposition:8; /* 0x05 */
uint8_t reserved_1[2]; /* 0x06 */
uint64_t gpr3; /* 0x08 */
uint64_t srr0; /* 0x10 */
uint64_t srr1; /* 0x18 */
union { /* 0x20 */
struct {
enum OpalMCE_UeErrorType ue_error_type:8;
uint8_t effective_address_provided;
uint8_t physical_address_provided;
uint8_t reserved_1[5];
uint64_t effective_address;
uint64_t physical_address;
uint8_t reserved_2[8];
} ue_error;
struct {
enum OpalMCE_SlbErrorType slb_error_type:8;
uint8_t effective_address_provided;
uint8_t reserved_1[6];
uint64_t effective_address;
uint8_t reserved_2[16];
} slb_error;
struct {
enum OpalMCE_EratErrorType erat_error_type:8;
uint8_t effective_address_provided;
uint8_t reserved_1[6];
uint64_t effective_address;
uint8_t reserved_2[16];
} erat_error;
struct {
enum OpalMCE_TlbErrorType tlb_error_type:8;
uint8_t effective_address_provided;
uint8_t reserved_1[6];
uint64_t effective_address;
uint8_t reserved_2[16];
} tlb_error;
} u;
};
/* FSP memory errors handling */
enum OpalMemErr_Version {
OpalMemErr_V1 = 1,
};
enum OpalMemErrType {
OPAL_MEM_ERR_TYPE_RESILIENCE = 0,
OPAL_MEM_ERR_TYPE_DYN_DALLOC,
OPAL_MEM_ERR_TYPE_SCRUB,
};
/* Memory Reilience error type */
enum OpalMemErr_ResilErrType {
OPAL_MEM_RESILIENCE_CE = 0,
OPAL_MEM_RESILIENCE_UE,
OPAL_MEM_RESILIENCE_UE_SCRUB,
};
/* Dynamic Memory Deallocation type */
enum OpalMemErr_DynErrType {
OPAL_MEM_DYNAMIC_DEALLOC = 0,
};
/* OpalMemoryErrorData->flags */
#define OPAL_MEM_CORRECTED_ERROR 0x0001
#define OPAL_MEM_THRESHOLD_EXCEEDED 0x0002
#define OPAL_MEM_ACK_REQUIRED 0x8000
struct OpalMemoryErrorData {
enum OpalMemErr_Version version:8; /* 0x00 */
enum OpalMemErrType type:8; /* 0x01 */
uint16_t flags; /* 0x02 */
uint8_t reserved_1[4]; /* 0x04 */
union {
/* Memory Resilience corrected/uncorrected error info */
struct {
enum OpalMemErr_ResilErrType resil_err_type:8;
uint8_t reserved_1[7];
uint64_t physical_address_start;
uint64_t physical_address_end;
} resilience;
/* Dynamic memory deallocation error info */
struct {
enum OpalMemErr_DynErrType dyn_err_type:8;
uint8_t reserved_1[7];
uint64_t physical_address_start;
uint64_t physical_address_end;
} dyn_dealloc;
} u;
};
enum {
OPAL_P7IOC_DIAG_TYPE_NONE = 0,
OPAL_P7IOC_DIAG_TYPE_RGC = 1,
OPAL_P7IOC_DIAG_TYPE_BI = 2,
OPAL_P7IOC_DIAG_TYPE_CI = 3,
OPAL_P7IOC_DIAG_TYPE_MISC = 4,
OPAL_P7IOC_DIAG_TYPE_I2C = 5,
OPAL_P7IOC_DIAG_TYPE_LAST = 6
};
struct OpalIoP7IOCErrorData {
uint16_t type;
/* GEM */
uint64_t gemXfir;
uint64_t gemRfir;
uint64_t gemRirqfir;
uint64_t gemMask;
uint64_t gemRwof;
/* LEM */
uint64_t lemFir;
uint64_t lemErrMask;
uint64_t lemAction0;
uint64_t lemAction1;
uint64_t lemWof;
union {
struct OpalIoP7IOCRgcErrorData {
uint64_t rgcStatus; /* 3E1C10 */
uint64_t rgcLdcp; /* 3E1C18 */
}rgc;
struct OpalIoP7IOCBiErrorData {
uint64_t biLdcp0; /* 3C0100, 3C0118 */
uint64_t biLdcp1; /* 3C0108, 3C0120 */
uint64_t biLdcp2; /* 3C0110, 3C0128 */
uint64_t biFenceStatus; /* 3C0130, 3C0130 */
uint8_t biDownbound; /* BI Downbound or Upbound */
}bi;
struct OpalIoP7IOCCiErrorData {
uint64_t ciPortStatus; /* 3Dn008 */
uint64_t ciPortLdcp; /* 3Dn010 */
uint8_t ciPort; /* Index of CI port: 0/1 */
}ci;
};
};
/**
* This structure defines the overlay which will be used to store PHB error
* data upon request.
*/
enum {
OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
};
enum {
OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2
};
enum {
OPAL_P7IOC_NUM_PEST_REGS = 128,
OPAL_PHB3_NUM_PEST_REGS = 256
};
struct OpalIoPhbErrorCommon {
uint32_t version;
uint32_t ioType;
uint32_t len;
};
struct OpalIoP7IOCPhbErrorData {
struct OpalIoPhbErrorCommon common;
uint32_t brdgCtl;
// P7IOC utl regs
uint32_t portStatusReg;
uint32_t rootCmplxStatus;
uint32_t busAgentStatus;
// P7IOC cfg regs
uint32_t deviceStatus;
uint32_t slotStatus;
uint32_t linkStatus;
uint32_t devCmdStatus;
uint32_t devSecStatus;
// cfg AER regs
uint32_t rootErrorStatus;
uint32_t uncorrErrorStatus;
uint32_t corrErrorStatus;
uint32_t tlpHdr1;
uint32_t tlpHdr2;
uint32_t tlpHdr3;
uint32_t tlpHdr4;
uint32_t sourceId;
uint32_t rsv3;
// Record data about the call to allocate a buffer.
uint64_t errorClass;
uint64_t correlator;
//P7IOC MMIO Error Regs
uint64_t p7iocPlssr; // n120
uint64_t p7iocCsr; // n110
uint64_t lemFir; // nC00
uint64_t lemErrorMask; // nC18
uint64_t lemWOF; // nC40
uint64_t phbErrorStatus; // nC80
uint64_t phbFirstErrorStatus; // nC88
uint64_t phbErrorLog0; // nCC0
uint64_t phbErrorLog1; // nCC8
uint64_t mmioErrorStatus; // nD00
uint64_t mmioFirstErrorStatus; // nD08
uint64_t mmioErrorLog0; // nD40
uint64_t mmioErrorLog1; // nD48
uint64_t dma0ErrorStatus; // nD80
uint64_t dma0FirstErrorStatus; // nD88
uint64_t dma0ErrorLog0; // nDC0
uint64_t dma0ErrorLog1; // nDC8
uint64_t dma1ErrorStatus; // nE00
uint64_t dma1FirstErrorStatus; // nE08
uint64_t dma1ErrorLog0; // nE40
uint64_t dma1ErrorLog1; // nE48
uint64_t pestA[OPAL_P7IOC_NUM_PEST_REGS];
uint64_t pestB[OPAL_P7IOC_NUM_PEST_REGS];
};
struct OpalIoPhb3ErrorData {
struct OpalIoPhbErrorCommon common;
uint32_t brdgCtl;
/* PHB3 UTL regs */
uint32_t portStatusReg;
uint32_t rootCmplxStatus;
uint32_t busAgentStatus;
/* PHB3 cfg regs */
uint32_t deviceStatus;
uint32_t slotStatus;
uint32_t linkStatus;
uint32_t devCmdStatus;
uint32_t devSecStatus;
/* cfg AER regs */
uint32_t rootErrorStatus;
uint32_t uncorrErrorStatus;
uint32_t corrErrorStatus;
uint32_t tlpHdr1;
uint32_t tlpHdr2;
uint32_t tlpHdr3;
uint32_t tlpHdr4;
uint32_t sourceId;
uint32_t rsv3;
/* Record data about the call to allocate a buffer */
uint64_t errorClass;
uint64_t correlator;
uint64_t nFir; /* 000 */
uint64_t nFirMask; /* 003 */
uint64_t nFirWOF; /* 008 */
/* PHB3 MMIO Error Regs */
uint64_t phbPlssr; /* 120 */
uint64_t phbCsr; /* 110 */
uint64_t lemFir; /* C00 */
uint64_t lemErrorMask; /* C18 */
uint64_t lemWOF; /* C40 */
uint64_t phbErrorStatus; /* C80 */
uint64_t phbFirstErrorStatus; /* C88 */
uint64_t phbErrorLog0; /* CC0 */
uint64_t phbErrorLog1; /* CC8 */
uint64_t mmioErrorStatus; /* D00 */
uint64_t mmioFirstErrorStatus; /* D08 */
uint64_t mmioErrorLog0; /* D40 */
uint64_t mmioErrorLog1; /* D48 */
uint64_t dma0ErrorStatus; /* D80 */
uint64_t dma0FirstErrorStatus; /* D88 */
uint64_t dma0ErrorLog0; /* DC0 */
uint64_t dma0ErrorLog1; /* DC8 */
uint64_t dma1ErrorStatus; /* E00 */
uint64_t dma1FirstErrorStatus; /* E08 */
uint64_t dma1ErrorLog0; /* E40 */
uint64_t dma1ErrorLog1; /* E48 */
uint64_t pestA[OPAL_PHB3_NUM_PEST_REGS];
uint64_t pestB[OPAL_PHB3_NUM_PEST_REGS];
};
typedef struct oppanel_line {
const char * line;
uint64_t line_len;
} oppanel_line_t;
/* /sys/firmware/opal */
extern struct kobject *opal_kobj;
/* /ibm,opal */
extern struct device_node *opal_node;
/* API functions */
int64_t opal_invalid_call(void);
int64_t opal_console_write(int64_t term_number, __be64 *length,
const uint8_t *buffer);
int64_t opal_console_read(int64_t term_number, __be64 *length,
uint8_t *buffer);
int64_t opal_console_write_buffer_space(int64_t term_number,
__be64 *length);
int64_t opal_rtc_read(__be32 *year_month_day,
__be64 *hour_minute_second_millisecond);
int64_t opal_rtc_write(uint32_t year_month_day,
uint64_t hour_minute_second_millisecond);
int64_t opal_cec_power_down(uint64_t request);
int64_t opal_cec_reboot(void);
int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
int64_t opal_write_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
int64_t opal_handle_interrupt(uint64_t isn, __be64 *outstanding_event_mask);
int64_t opal_poll_events(__be64 *outstanding_event_mask);
int64_t opal_pci_set_hub_tce_memory(uint64_t hub_id, uint64_t tce_mem_addr,
uint64_t tce_mem_size);
int64_t opal_pci_set_phb_tce_memory(uint64_t phb_id, uint64_t tce_mem_addr,
uint64_t tce_mem_size);
int64_t opal_pci_config_read_byte(uint64_t phb_id, uint64_t bus_dev_func,
uint64_t offset, uint8_t *data);
int64_t opal_pci_config_read_half_word(uint64_t phb_id, uint64_t bus_dev_func,
uint64_t offset, __be16 *data);
int64_t opal_pci_config_read_word(uint64_t phb_id, uint64_t bus_dev_func,
uint64_t offset, __be32 *data);
int64_t opal_pci_config_write_byte(uint64_t phb_id, uint64_t bus_dev_func,
uint64_t offset, uint8_t data);
int64_t opal_pci_config_write_half_word(uint64_t phb_id, uint64_t bus_dev_func,
uint64_t offset, uint16_t data);
int64_t opal_pci_config_write_word(uint64_t phb_id, uint64_t bus_dev_func,
uint64_t offset, uint32_t data);
int64_t opal_set_xive(uint32_t isn, uint16_t server, uint8_t priority);
int64_t opal_get_xive(uint32_t isn, __be16 *server, uint8_t *priority);
int64_t opal_register_exception_handler(uint64_t opal_exception,
uint64_t handler_address,
uint64_t glue_cache_line);
int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number,
uint8_t *freeze_state,
__be16 *pci_error_type,
__be64 *phb_status);
int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number,
uint64_t eeh_action_token);
int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state);
int64_t opal_pci_phb_mmio_enable(uint64_t phb_id, uint16_t window_type,
uint16_t window_num, uint16_t enable);
int64_t opal_pci_set_phb_mem_window(uint64_t phb_id, uint16_t window_type,
uint16_t window_num,
uint64_t starting_real_address,
uint64_t starting_pci_address,
uint16_t segment_size);
int64_t opal_pci_map_pe_mmio_window(uint64_t phb_id, uint16_t pe_number,
uint16_t window_type, uint16_t window_num,
uint16_t segment_num);
int64_t opal_pci_set_phb_table_memory(uint64_t phb_id, uint64_t rtt_addr,
uint64_t ivt_addr, uint64_t ivt_len,
uint64_t reject_array_addr,
uint64_t peltv_addr);
int64_t opal_pci_set_pe(uint64_t phb_id, uint64_t pe_number, uint64_t bus_dev_func,
uint8_t bus_compare, uint8_t dev_compare, uint8_t func_compare,
uint8_t pe_action);
int64_t opal_pci_set_peltv(uint64_t phb_id, uint32_t parent_pe, uint32_t child_pe,
uint8_t state);
int64_t opal_pci_set_mve(uint64_t phb_id, uint32_t mve_number, uint32_t pe_number);
int64_t opal_pci_set_mve_enable(uint64_t phb_id, uint32_t mve_number,
uint32_t state);
int64_t opal_pci_get_xive_reissue(uint64_t phb_id, uint32_t xive_number,
uint8_t *p_bit, uint8_t *q_bit);
int64_t opal_pci_set_xive_reissue(uint64_t phb_id, uint32_t xive_number,
uint8_t p_bit, uint8_t q_bit);
int64_t opal_pci_msi_eoi(uint64_t phb_id, uint32_t hw_irq);
int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint32_t pe_number,
uint32_t xive_num);
int64_t opal_get_xive_source(uint64_t phb_id, uint32_t xive_num,
__be32 *interrupt_source_number);
int64_t opal_get_msi_32(uint64_t phb_id, uint32_t mve_number, uint32_t xive_num,
uint8_t msi_range, __be32 *msi_address,
__be32 *message_data);
int64_t opal_get_msi_64(uint64_t phb_id, uint32_t mve_number,
uint32_t xive_num, uint8_t msi_range,
__be64 *msi_address, __be32 *message_data);
int64_t opal_start_cpu(uint64_t thread_number, uint64_t start_address);
int64_t opal_query_cpu_status(uint64_t thread_number, uint8_t *thread_status);
int64_t opal_write_oppanel(oppanel_line_t *lines, uint64_t num_lines);
int64_t opal_pci_map_pe_dma_window(uint64_t phb_id, uint16_t pe_number, uint16_t window_id,
uint16_t tce_levels, uint64_t tce_table_addr,
uint64_t tce_table_size, uint64_t tce_page_size);
int64_t opal_pci_map_pe_dma_window_real(uint64_t phb_id, uint16_t pe_number,
uint16_t dma_window_number, uint64_t pci_start_addr,
uint64_t pci_mem_size);
int64_t opal_pci_reset(uint64_t phb_id, uint8_t reset_scope, uint8_t assert_state);
int64_t opal_pci_get_hub_diag_data(uint64_t hub_id, void *diag_buffer,
uint64_t diag_buffer_len);
int64_t opal_pci_get_phb_diag_data(uint64_t phb_id, void *diag_buffer,
uint64_t diag_buffer_len);
int64_t opal_pci_get_phb_diag_data2(uint64_t phb_id, void *diag_buffer,
uint64_t diag_buffer_len);
int64_t opal_pci_fence_phb(uint64_t phb_id);
int64_t opal_pci_reinit(uint64_t phb_id, uint64_t reinit_scope, uint64_t data);
int64_t opal_pci_mask_pe_error(uint64_t phb_id, uint16_t pe_number, uint8_t error_type, uint8_t mask_action);
int64_t opal_set_slot_led_status(uint64_t phb_id, uint64_t slot_id, uint8_t led_type, uint8_t led_action);
int64_t opal_get_epow_status(__be64 *status);
int64_t opal_set_system_attention_led(uint8_t led_action);
int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe,
uint16_t *pci_error_type, uint16_t *severity);
int64_t opal_pci_poll(uint64_t phb_id);
int64_t opal_return_cpu(void);
int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val);
int64_t opal_xscom_write(uint32_t gcid, uint64_t pcb_addr, uint64_t val);
int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, uint32_t data, uint32_t sz);
int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, __be32 *data, uint32_t sz);
int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id);
int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type);
int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset);
int64_t opal_send_ack_elog(uint64_t log_id);
void opal_resend_pending_logs(void);
int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
int64_t opal_manage_flash(uint8_t op);
int64_t opal_update_flash(uint64_t blk_list);
int64_t opal_dump_init(uint8_t dump_type);
int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size);
int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type);
int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer);
int64_t opal_dump_ack(uint32_t dump_id);
int64_t opal_dump_resend_notification(void);
int64_t opal_get_msg(uint64_t buffer, uint64_t size);
int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token);
int64_t opal_sync_host_reboot(void);
int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
uint64_t length);
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
uint64_t length);
int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
int depth, void *data);
extern int early_init_dt_scan_recoverable_ranges(unsigned long node,
const char *uname, int depth, void *data);
extern int opal_get_chars(uint32_t vtermno, char *buf, int count);
extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
extern void hvc_opal_init_early(void);
extern int opal_notifier_register(struct notifier_block *nb);
extern int opal_notifier_unregister(struct notifier_block *nb);
extern int opal_message_notifier_register(enum OpalMessageType msg_type,
struct notifier_block *nb);
extern void opal_notifier_enable(void);
extern void opal_notifier_disable(void);
extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val);
extern int __opal_async_get_token(void);
extern int opal_async_get_token_interruptible(void);
extern int __opal_async_release_token(int token);
extern int opal_async_release_token(int token);
extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
struct rtc_time;
extern int opal_set_rtc_time(struct rtc_time *tm);
extern void opal_get_rtc_time(struct rtc_time *tm);
extern unsigned long opal_get_boot_time(void);
extern void opal_nvram_init(void);
extern void opal_flash_init(void);
extern int opal_elog_init(void);
extern void opal_platform_dump_init(void);
extern void opal_sys_param_init(void);
extern void opal_msglog_init(void);
extern int opal_machine_check(struct pt_regs *regs);
extern bool opal_mce_check_early_recovery(struct pt_regs *regs);
extern void opal_shutdown(void);
extern int opal_resync_timebase(void);
extern void opal_lpc_init(void);
struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
unsigned long vmalloc_size);
void opal_free_sg_list(struct opal_sg_list *sg);
#endif /* __ASSEMBLY__ */
#endif /* __OPAL_H */
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