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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
#ifndef __ASSEMBLY__
/*
* 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))
#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_REINIT_CPUS 70
#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,
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