cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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opal-api.h (31720B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * OPAL API definitions.
      4 *
      5 * Copyright 2011-2015 IBM Corp.
      6 */
      7
      8#ifndef __OPAL_API_H
      9#define __OPAL_API_H
     10
     11/****** OPAL APIs ******/
     12
     13/* Return codes */
     14#define OPAL_SUCCESS		0
     15#define OPAL_PARAMETER		-1
     16#define OPAL_BUSY		-2
     17#define OPAL_PARTIAL		-3
     18#define OPAL_CONSTRAINED	-4
     19#define OPAL_CLOSED		-5
     20#define OPAL_HARDWARE		-6
     21#define OPAL_UNSUPPORTED	-7
     22#define OPAL_PERMISSION		-8
     23#define OPAL_NO_MEM		-9
     24#define OPAL_RESOURCE		-10
     25#define OPAL_INTERNAL_ERROR	-11
     26#define OPAL_BUSY_EVENT		-12
     27#define OPAL_HARDWARE_FROZEN	-13
     28#define OPAL_WRONG_STATE	-14
     29#define OPAL_ASYNC_COMPLETION	-15
     30#define OPAL_EMPTY		-16
     31#define OPAL_I2C_TIMEOUT	-17
     32#define OPAL_I2C_INVALID_CMD	-18
     33#define OPAL_I2C_LBUS_PARITY	-19
     34#define OPAL_I2C_BKEND_OVERRUN	-20
     35#define OPAL_I2C_BKEND_ACCESS	-21
     36#define OPAL_I2C_ARBT_LOST	-22
     37#define OPAL_I2C_NACK_RCVD	-23
     38#define OPAL_I2C_STOP_ERR	-24
     39#define OPAL_XIVE_PROVISIONING	-31
     40#define OPAL_XIVE_FREE_ACTIVE	-32
     41#define OPAL_TIMEOUT		-33
     42
     43/* API Tokens (in r0) */
     44#define OPAL_INVALID_CALL		       -1
     45#define OPAL_TEST				0
     46#define OPAL_CONSOLE_WRITE			1
     47#define OPAL_CONSOLE_READ			2
     48#define OPAL_RTC_READ				3
     49#define OPAL_RTC_WRITE				4
     50#define OPAL_CEC_POWER_DOWN			5
     51#define OPAL_CEC_REBOOT				6
     52#define OPAL_READ_NVRAM				7
     53#define OPAL_WRITE_NVRAM			8
     54#define OPAL_HANDLE_INTERRUPT			9
     55#define OPAL_POLL_EVENTS			10
     56#define OPAL_PCI_SET_HUB_TCE_MEMORY		11
     57#define OPAL_PCI_SET_PHB_TCE_MEMORY		12
     58#define OPAL_PCI_CONFIG_READ_BYTE		13
     59#define OPAL_PCI_CONFIG_READ_HALF_WORD  	14
     60#define OPAL_PCI_CONFIG_READ_WORD		15
     61#define OPAL_PCI_CONFIG_WRITE_BYTE		16
     62#define OPAL_PCI_CONFIG_WRITE_HALF_WORD		17
     63#define OPAL_PCI_CONFIG_WRITE_WORD		18
     64#define OPAL_SET_XIVE				19
     65#define OPAL_GET_XIVE				20
     66#define OPAL_GET_COMPLETION_TOKEN_STATUS	21 /* obsolete */
     67#define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER	22
     68#define OPAL_PCI_EEH_FREEZE_STATUS		23
     69#define OPAL_PCI_SHPC				24
     70#define OPAL_CONSOLE_WRITE_BUFFER_SPACE		25
     71#define OPAL_PCI_EEH_FREEZE_CLEAR		26
     72#define OPAL_PCI_PHB_MMIO_ENABLE		27
     73#define OPAL_PCI_SET_PHB_MEM_WINDOW		28
     74#define OPAL_PCI_MAP_PE_MMIO_WINDOW		29
     75#define OPAL_PCI_SET_PHB_TABLE_MEMORY		30
     76#define OPAL_PCI_SET_PE				31
     77#define OPAL_PCI_SET_PELTV			32
     78#define OPAL_PCI_SET_MVE			33
     79#define OPAL_PCI_SET_MVE_ENABLE			34
     80#define OPAL_PCI_GET_XIVE_REISSUE		35
     81#define OPAL_PCI_SET_XIVE_REISSUE		36
     82#define OPAL_PCI_SET_XIVE_PE			37
     83#define OPAL_GET_XIVE_SOURCE			38
     84#define OPAL_GET_MSI_32				39
     85#define OPAL_GET_MSI_64				40
     86#define OPAL_START_CPU				41
     87#define OPAL_QUERY_CPU_STATUS			42
     88#define OPAL_WRITE_OPPANEL			43 /* unimplemented */
     89#define OPAL_PCI_MAP_PE_DMA_WINDOW		44
     90#define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL		45
     91#define OPAL_PCI_RESET				49
     92#define OPAL_PCI_GET_HUB_DIAG_DATA		50
     93#define OPAL_PCI_GET_PHB_DIAG_DATA		51
     94#define OPAL_PCI_FENCE_PHB			52
     95#define OPAL_PCI_REINIT				53
     96#define OPAL_PCI_MASK_PE_ERROR			54
     97#define OPAL_SET_SLOT_LED_STATUS		55
     98#define OPAL_GET_EPOW_STATUS			56
     99#define OPAL_SET_SYSTEM_ATTENTION_LED		57
    100#define OPAL_RESERVED1				58
    101#define OPAL_RESERVED2				59
    102#define OPAL_PCI_NEXT_ERROR			60
    103#define OPAL_PCI_EEH_FREEZE_STATUS2		61
    104#define OPAL_PCI_POLL				62
    105#define OPAL_PCI_MSI_EOI			63
    106#define OPAL_PCI_GET_PHB_DIAG_DATA2		64
    107#define OPAL_XSCOM_READ				65
    108#define OPAL_XSCOM_WRITE			66
    109#define OPAL_LPC_READ				67
    110#define OPAL_LPC_WRITE				68
    111#define OPAL_RETURN_CPU				69
    112#define OPAL_REINIT_CPUS			70
    113#define OPAL_ELOG_READ				71
    114#define OPAL_ELOG_WRITE				72
    115#define OPAL_ELOG_ACK				73
    116#define OPAL_ELOG_RESEND			74
    117#define OPAL_ELOG_SIZE				75
    118#define OPAL_FLASH_VALIDATE			76
    119#define OPAL_FLASH_MANAGE			77
    120#define OPAL_FLASH_UPDATE			78
    121#define OPAL_RESYNC_TIMEBASE			79
    122#define OPAL_CHECK_TOKEN			80
    123#define OPAL_DUMP_INIT				81
    124#define OPAL_DUMP_INFO				82
    125#define OPAL_DUMP_READ				83
    126#define OPAL_DUMP_ACK				84
    127#define OPAL_GET_MSG				85
    128#define OPAL_CHECK_ASYNC_COMPLETION		86
    129#define OPAL_SYNC_HOST_REBOOT			87
    130#define OPAL_SENSOR_READ			88
    131#define OPAL_GET_PARAM				89
    132#define OPAL_SET_PARAM				90
    133#define OPAL_DUMP_RESEND			91
    134#define OPAL_ELOG_SEND				92	/* Deprecated */
    135#define OPAL_PCI_SET_PHB_CAPI_MODE		93
    136#define OPAL_DUMP_INFO2				94
    137#define OPAL_WRITE_OPPANEL_ASYNC		95
    138#define OPAL_PCI_ERR_INJECT			96
    139#define OPAL_PCI_EEH_FREEZE_SET			97
    140#define OPAL_HANDLE_HMI				98
    141#define OPAL_CONFIG_CPU_IDLE_STATE		99
    142#define OPAL_SLW_SET_REG			100
    143#define OPAL_REGISTER_DUMP_REGION		101
    144#define OPAL_UNREGISTER_DUMP_REGION		102
    145#define OPAL_WRITE_TPO				103
    146#define OPAL_READ_TPO				104
    147#define OPAL_GET_DPO_STATUS			105
    148#define OPAL_OLD_I2C_REQUEST			106	/* Deprecated */
    149#define OPAL_IPMI_SEND				107
    150#define OPAL_IPMI_RECV				108
    151#define OPAL_I2C_REQUEST			109
    152#define OPAL_FLASH_READ				110
    153#define OPAL_FLASH_WRITE			111
    154#define OPAL_FLASH_ERASE			112
    155#define OPAL_PRD_MSG				113
    156#define OPAL_LEDS_GET_INDICATOR			114
    157#define OPAL_LEDS_SET_INDICATOR			115
    158#define OPAL_CEC_REBOOT2			116
    159#define OPAL_CONSOLE_FLUSH			117
    160#define OPAL_GET_DEVICE_TREE			118
    161#define OPAL_PCI_GET_PRESENCE_STATE		119
    162#define OPAL_PCI_GET_POWER_STATE		120
    163#define OPAL_PCI_SET_POWER_STATE		121
    164#define OPAL_INT_GET_XIRR			122
    165#define	OPAL_INT_SET_CPPR			123
    166#define OPAL_INT_EOI				124
    167#define OPAL_INT_SET_MFRR			125
    168#define OPAL_PCI_TCE_KILL			126
    169#define OPAL_NMMU_SET_PTCR			127
    170#define OPAL_XIVE_RESET				128
    171#define OPAL_XIVE_GET_IRQ_INFO			129
    172#define OPAL_XIVE_GET_IRQ_CONFIG		130
    173#define OPAL_XIVE_SET_IRQ_CONFIG		131
    174#define OPAL_XIVE_GET_QUEUE_INFO		132
    175#define OPAL_XIVE_SET_QUEUE_INFO		133
    176#define OPAL_XIVE_DONATE_PAGE			134
    177#define OPAL_XIVE_ALLOCATE_VP_BLOCK		135
    178#define OPAL_XIVE_FREE_VP_BLOCK			136
    179#define OPAL_XIVE_GET_VP_INFO			137
    180#define OPAL_XIVE_SET_VP_INFO			138
    181#define OPAL_XIVE_ALLOCATE_IRQ			139
    182#define OPAL_XIVE_FREE_IRQ			140
    183#define OPAL_XIVE_SYNC				141
    184#define OPAL_XIVE_DUMP				142
    185#define OPAL_XIVE_GET_QUEUE_STATE		143
    186#define OPAL_XIVE_SET_QUEUE_STATE		144
    187#define OPAL_SIGNAL_SYSTEM_RESET		145
    188#define OPAL_NPU_INIT_CONTEXT			146
    189#define OPAL_NPU_DESTROY_CONTEXT		147
    190#define OPAL_NPU_MAP_LPAR			148
    191#define OPAL_IMC_COUNTERS_INIT			149
    192#define OPAL_IMC_COUNTERS_START			150
    193#define OPAL_IMC_COUNTERS_STOP			151
    194#define OPAL_GET_POWERCAP			152
    195#define OPAL_SET_POWERCAP			153
    196#define OPAL_GET_POWER_SHIFT_RATIO		154
    197#define OPAL_SET_POWER_SHIFT_RATIO		155
    198#define OPAL_SENSOR_GROUP_CLEAR			156
    199#define OPAL_PCI_SET_P2P			157
    200#define OPAL_QUIESCE				158
    201#define OPAL_NPU_SPA_SETUP			159
    202#define OPAL_NPU_SPA_CLEAR_CACHE		160
    203#define OPAL_NPU_TL_SET				161
    204#define OPAL_SENSOR_READ_U64			162
    205#define OPAL_SENSOR_GROUP_ENABLE		163
    206#define OPAL_PCI_GET_PBCQ_TUNNEL_BAR		164
    207#define OPAL_PCI_SET_PBCQ_TUNNEL_BAR		165
    208#define OPAL_HANDLE_HMI2			166
    209#define	OPAL_NX_COPROC_INIT			167
    210#define OPAL_XIVE_GET_VP_STATE			170
    211#define OPAL_MPIPL_UPDATE			173
    212#define OPAL_MPIPL_REGISTER_TAG			174
    213#define OPAL_MPIPL_QUERY_TAG			175
    214#define OPAL_SECVAR_GET				176
    215#define OPAL_SECVAR_GET_NEXT			177
    216#define OPAL_SECVAR_ENQUEUE_UPDATE		178
    217#define OPAL_LAST				178
    218
    219#define QUIESCE_HOLD			1 /* Spin all calls at entry */
    220#define QUIESCE_REJECT			2 /* Fail all calls with OPAL_BUSY */
    221#define QUIESCE_LOCK_BREAK		3 /* Set to ignore locks. */
    222#define QUIESCE_RESUME			4 /* Un-quiesce */
    223#define QUIESCE_RESUME_FAST_REBOOT	5 /* Un-quiesce, fast reboot */
    224
    225/* Device tree flags */
    226
    227/*
    228 * Flags set in power-mgmt nodes in device tree describing
    229 * idle states that are supported in the platform.
    230 */
    231
    232#define OPAL_PM_TIMEBASE_STOP		0x00000002
    233#define OPAL_PM_LOSE_HYP_CONTEXT	0x00002000
    234#define OPAL_PM_LOSE_FULL_CONTEXT	0x00004000
    235#define OPAL_PM_NAP_ENABLED		0x00010000
    236#define OPAL_PM_SLEEP_ENABLED		0x00020000
    237#define OPAL_PM_WINKLE_ENABLED		0x00040000
    238#define OPAL_PM_SLEEP_ENABLED_ER1	0x00080000 /* with workaround */
    239#define OPAL_PM_STOP_INST_FAST		0x00100000
    240#define OPAL_PM_STOP_INST_DEEP		0x00200000
    241
    242/*
    243 * OPAL_CONFIG_CPU_IDLE_STATE parameters
    244 */
    245#define OPAL_CONFIG_IDLE_FASTSLEEP	1
    246#define OPAL_CONFIG_IDLE_UNDO		0
    247#define OPAL_CONFIG_IDLE_APPLY		1
    248
    249#ifndef __ASSEMBLY__
    250
    251/* Other enums */
    252enum OpalFreezeState {
    253	OPAL_EEH_STOPPED_NOT_FROZEN = 0,
    254	OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
    255	OPAL_EEH_STOPPED_DMA_FREEZE = 2,
    256	OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
    257	OPAL_EEH_STOPPED_RESET = 4,
    258	OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
    259	OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
    260};
    261
    262enum OpalEehFreezeActionToken {
    263	OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
    264	OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
    265	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
    266
    267	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
    268	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
    269	OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
    270};
    271
    272enum OpalPciStatusToken {
    273	OPAL_EEH_NO_ERROR	= 0,
    274	OPAL_EEH_IOC_ERROR	= 1,
    275	OPAL_EEH_PHB_ERROR	= 2,
    276	OPAL_EEH_PE_ERROR	= 3,
    277	OPAL_EEH_PE_MMIO_ERROR	= 4,
    278	OPAL_EEH_PE_DMA_ERROR	= 5
    279};
    280
    281enum OpalPciErrorSeverity {
    282	OPAL_EEH_SEV_NO_ERROR	= 0,
    283	OPAL_EEH_SEV_IOC_DEAD	= 1,
    284	OPAL_EEH_SEV_PHB_DEAD	= 2,
    285	OPAL_EEH_SEV_PHB_FENCED	= 3,
    286	OPAL_EEH_SEV_PE_ER	= 4,
    287	OPAL_EEH_SEV_INF	= 5
    288};
    289
    290enum OpalErrinjectType {
    291	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR	= 0,
    292	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64	= 1,
    293};
    294
    295enum OpalErrinjectFunc {
    296	/* IOA bus specific errors */
    297	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR	= 0,
    298	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA	= 1,
    299	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR	= 2,
    300	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA	= 3,
    301	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR	= 4,
    302	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA	= 5,
    303	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR	= 6,
    304	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA	= 7,
    305	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR	= 8,
    306	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA	= 9,
    307	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR	= 10,
    308	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA	= 11,
    309	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR	= 12,
    310	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA	= 13,
    311	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER	= 14,
    312	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET	= 15,
    313	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR	= 16,
    314	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA	= 17,
    315	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER	= 18,
    316	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET	= 19,
    317};
    318
    319enum OpalMmioWindowType {
    320	OPAL_M32_WINDOW_TYPE = 1,
    321	OPAL_M64_WINDOW_TYPE = 2,
    322	OPAL_IO_WINDOW_TYPE  = 3
    323};
    324
    325enum OpalExceptionHandler {
    326	OPAL_MACHINE_CHECK_HANDLER	    = 1,
    327	OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
    328	OPAL_SOFTPATCH_HANDLER		    = 3
    329};
    330
    331enum OpalPendingState {
    332	OPAL_EVENT_OPAL_INTERNAL   = 0x1,
    333	OPAL_EVENT_NVRAM	   = 0x2,
    334	OPAL_EVENT_RTC		   = 0x4,
    335	OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
    336	OPAL_EVENT_CONSOLE_INPUT   = 0x10,
    337	OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
    338	OPAL_EVENT_ERROR_LOG	   = 0x40,
    339	OPAL_EVENT_EPOW		   = 0x80,
    340	OPAL_EVENT_LED_STATUS	   = 0x100,
    341	OPAL_EVENT_PCI_ERROR	   = 0x200,
    342	OPAL_EVENT_DUMP_AVAIL	   = 0x400,
    343	OPAL_EVENT_MSG_PENDING	   = 0x800,
    344};
    345
    346enum OpalThreadStatus {
    347	OPAL_THREAD_INACTIVE = 0x0,
    348	OPAL_THREAD_STARTED = 0x1,
    349	OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
    350};
    351
    352enum OpalPciBusCompare {
    353	OpalPciBusAny	= 0,	/* Any bus number match */
    354	OpalPciBus3Bits	= 2,	/* Match top 3 bits of bus number */
    355	OpalPciBus4Bits	= 3,	/* Match top 4 bits of bus number */
    356	OpalPciBus5Bits	= 4,	/* Match top 5 bits of bus number */
    357	OpalPciBus6Bits	= 5,	/* Match top 6 bits of bus number */
    358	OpalPciBus7Bits	= 6,	/* Match top 7 bits of bus number */
    359	OpalPciBusAll	= 7,	/* Match bus number exactly */
    360};
    361
    362enum OpalDeviceCompare {
    363	OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
    364	OPAL_COMPARE_RID_DEVICE_NUMBER = 1
    365};
    366
    367enum OpalFuncCompare {
    368	OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
    369	OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
    370};
    371
    372enum OpalPeAction {
    373	OPAL_UNMAP_PE = 0,
    374	OPAL_MAP_PE = 1
    375};
    376
    377enum OpalPeltvAction {
    378	OPAL_REMOVE_PE_FROM_DOMAIN = 0,
    379	OPAL_ADD_PE_TO_DOMAIN = 1
    380};
    381
    382enum OpalMveEnableAction {
    383	OPAL_DISABLE_MVE = 0,
    384	OPAL_ENABLE_MVE = 1
    385};
    386
    387enum OpalM64Action {
    388	OPAL_DISABLE_M64 = 0,
    389	OPAL_ENABLE_M64_SPLIT = 1,
    390	OPAL_ENABLE_M64_NON_SPLIT = 2
    391};
    392
    393enum OpalPciResetScope {
    394	OPAL_RESET_PHB_COMPLETE		= 1,
    395	OPAL_RESET_PCI_LINK		= 2,
    396	OPAL_RESET_PHB_ERROR		= 3,
    397	OPAL_RESET_PCI_HOT		= 4,
    398	OPAL_RESET_PCI_FUNDAMENTAL	= 5,
    399	OPAL_RESET_PCI_IODA_TABLE	= 6
    400};
    401
    402enum OpalPciReinitScope {
    403	/*
    404	 * Note: we chose values that do not overlap
    405	 * OpalPciResetScope as OPAL v2 used the same
    406	 * enum for both
    407	 */
    408	OPAL_REINIT_PCI_DEV = 1000
    409};
    410
    411enum OpalPciResetState {
    412	OPAL_DEASSERT_RESET = 0,
    413	OPAL_ASSERT_RESET   = 1
    414};
    415
    416enum OpalPciSlotPresence {
    417	OPAL_PCI_SLOT_EMPTY	= 0,
    418	OPAL_PCI_SLOT_PRESENT	= 1
    419};
    420
    421enum OpalPciSlotPower {
    422	OPAL_PCI_SLOT_POWER_OFF	= 0,
    423	OPAL_PCI_SLOT_POWER_ON	= 1,
    424	OPAL_PCI_SLOT_OFFLINE	= 2,
    425	OPAL_PCI_SLOT_ONLINE	= 3
    426};
    427
    428enum OpalSlotLedType {
    429	OPAL_SLOT_LED_TYPE_ID = 0,	/* IDENTIFY LED */
    430	OPAL_SLOT_LED_TYPE_FAULT = 1,	/* FAULT LED */
    431	OPAL_SLOT_LED_TYPE_ATTN = 2,	/* System Attention LED */
    432	OPAL_SLOT_LED_TYPE_MAX = 3
    433};
    434
    435enum OpalSlotLedState {
    436	OPAL_SLOT_LED_STATE_OFF = 0,	/* LED is OFF */
    437	OPAL_SLOT_LED_STATE_ON = 1	/* LED is ON */
    438};
    439
    440/*
    441 * Address cycle types for LPC accesses. These also correspond
    442 * to the content of the first cell of the "reg" property for
    443 * device nodes on the LPC bus
    444 */
    445enum OpalLPCAddressType {
    446	OPAL_LPC_MEM	= 0,
    447	OPAL_LPC_IO	= 1,
    448	OPAL_LPC_FW	= 2,
    449};
    450
    451enum opal_msg_type {
    452	OPAL_MSG_ASYNC_COMP	= 0,	/* params[0] = token, params[1] = rc,
    453					 * additional params function-specific
    454					 */
    455	OPAL_MSG_MEM_ERR	= 1,
    456	OPAL_MSG_EPOW		= 2,
    457	OPAL_MSG_SHUTDOWN	= 3,	/* params[0] = 1 reboot, 0 shutdown */
    458	OPAL_MSG_HMI_EVT	= 4,
    459	OPAL_MSG_DPO		= 5,
    460	OPAL_MSG_PRD		= 6,
    461	OPAL_MSG_OCC		= 7,
    462	OPAL_MSG_PRD2		= 8,
    463	OPAL_MSG_TYPE_MAX,
    464};
    465
    466struct opal_msg {
    467	__be32 msg_type;
    468	__be32 reserved;
    469	__be64 params[8];
    470};
    471
    472/* System parameter permission */
    473enum OpalSysparamPerm {
    474	OPAL_SYSPARAM_READ  = 0x1,
    475	OPAL_SYSPARAM_WRITE = 0x2,
    476	OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
    477};
    478
    479enum {
    480	OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
    481};
    482
    483struct opal_ipmi_msg {
    484	uint8_t version;
    485	uint8_t netfn;
    486	uint8_t cmd;
    487	uint8_t data[];
    488};
    489
    490/* FSP memory errors handling */
    491enum OpalMemErr_Version {
    492	OpalMemErr_V1 = 1,
    493};
    494
    495enum OpalMemErrType {
    496	OPAL_MEM_ERR_TYPE_RESILIENCE	= 0,
    497	OPAL_MEM_ERR_TYPE_DYN_DALLOC,
    498};
    499
    500/* Memory Reilience error type */
    501enum OpalMemErr_ResilErrType {
    502	OPAL_MEM_RESILIENCE_CE		= 0,
    503	OPAL_MEM_RESILIENCE_UE,
    504	OPAL_MEM_RESILIENCE_UE_SCRUB,
    505};
    506
    507/* Dynamic Memory Deallocation type */
    508enum OpalMemErr_DynErrType {
    509	OPAL_MEM_DYNAMIC_DEALLOC	= 0,
    510};
    511
    512struct OpalMemoryErrorData {
    513	enum OpalMemErr_Version	version:8;	/* 0x00 */
    514	enum OpalMemErrType	type:8;		/* 0x01 */
    515	__be16			flags;		/* 0x02 */
    516	uint8_t			reserved_1[4];	/* 0x04 */
    517
    518	union {
    519		/* Memory Resilience corrected/uncorrected error info */
    520		struct {
    521			enum OpalMemErr_ResilErrType	resil_err_type:8;
    522			uint8_t				reserved_1[7];
    523			__be64				physical_address_start;
    524			__be64				physical_address_end;
    525		} resilience;
    526		/* Dynamic memory deallocation error info */
    527		struct {
    528			enum OpalMemErr_DynErrType	dyn_err_type:8;
    529			uint8_t				reserved_1[7];
    530			__be64				physical_address_start;
    531			__be64				physical_address_end;
    532		} dyn_dealloc;
    533	} u;
    534};
    535
    536/* HMI interrupt event */
    537enum OpalHMI_Version {
    538	OpalHMIEvt_V1 = 1,
    539	OpalHMIEvt_V2 = 2,
    540};
    541
    542enum OpalHMI_Severity {
    543	OpalHMI_SEV_NO_ERROR = 0,
    544	OpalHMI_SEV_WARNING = 1,
    545	OpalHMI_SEV_ERROR_SYNC = 2,
    546	OpalHMI_SEV_FATAL = 3,
    547};
    548
    549enum OpalHMI_Disposition {
    550	OpalHMI_DISPOSITION_RECOVERED = 0,
    551	OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
    552};
    553
    554enum OpalHMI_ErrType {
    555	OpalHMI_ERROR_MALFUNC_ALERT	= 0,
    556	OpalHMI_ERROR_PROC_RECOV_DONE,
    557	OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
    558	OpalHMI_ERROR_PROC_RECOV_MASKED,
    559	OpalHMI_ERROR_TFAC,
    560	OpalHMI_ERROR_TFMR_PARITY,
    561	OpalHMI_ERROR_HA_OVERFLOW_WARN,
    562	OpalHMI_ERROR_XSCOM_FAIL,
    563	OpalHMI_ERROR_XSCOM_DONE,
    564	OpalHMI_ERROR_SCOM_FIR,
    565	OpalHMI_ERROR_DEBUG_TRIG_FIR,
    566	OpalHMI_ERROR_HYP_RESOURCE,
    567	OpalHMI_ERROR_CAPP_RECOVERY,
    568};
    569
    570enum OpalHMI_XstopType {
    571	CHECKSTOP_TYPE_UNKNOWN	=	0,
    572	CHECKSTOP_TYPE_CORE	=	1,
    573	CHECKSTOP_TYPE_NX	=	2,
    574	CHECKSTOP_TYPE_NPU	=	3
    575};
    576
    577enum OpalHMI_CoreXstopReason {
    578	CORE_CHECKSTOP_IFU_REGFILE		= 0x00000001,
    579	CORE_CHECKSTOP_IFU_LOGIC		= 0x00000002,
    580	CORE_CHECKSTOP_PC_DURING_RECOV		= 0x00000004,
    581	CORE_CHECKSTOP_ISU_REGFILE		= 0x00000008,
    582	CORE_CHECKSTOP_ISU_LOGIC		= 0x00000010,
    583	CORE_CHECKSTOP_FXU_LOGIC		= 0x00000020,
    584	CORE_CHECKSTOP_VSU_LOGIC		= 0x00000040,
    585	CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE	= 0x00000080,
    586	CORE_CHECKSTOP_LSU_REGFILE		= 0x00000100,
    587	CORE_CHECKSTOP_PC_FWD_PROGRESS		= 0x00000200,
    588	CORE_CHECKSTOP_LSU_LOGIC		= 0x00000400,
    589	CORE_CHECKSTOP_PC_LOGIC			= 0x00000800,
    590	CORE_CHECKSTOP_PC_HYP_RESOURCE		= 0x00001000,
    591	CORE_CHECKSTOP_PC_HANG_RECOV_FAILED	= 0x00002000,
    592	CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED	= 0x00004000,
    593	CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ	= 0x00008000,
    594	CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ	= 0x00010000,
    595};
    596
    597enum OpalHMI_NestAccelXstopReason {
    598	NX_CHECKSTOP_SHM_INVAL_STATE_ERR	= 0x00000001,
    599	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1	= 0x00000002,
    600	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2	= 0x00000004,
    601	NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR	= 0x00000008,
    602	NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR	= 0x00000010,
    603	NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR	= 0x00000020,
    604	NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR	= 0x00000040,
    605	NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR	= 0x00000080,
    606	NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR	= 0x00000100,
    607	NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR	= 0x00000200,
    608	NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR	= 0x00000400,
    609	NX_CHECKSTOP_DMA_CRB_UE			= 0x00000800,
    610	NX_CHECKSTOP_DMA_CRB_SUE		= 0x00001000,
    611	NX_CHECKSTOP_PBI_ISN_UE			= 0x00002000,
    612};
    613
    614struct OpalHMIEvent {
    615	uint8_t		version;	/* 0x00 */
    616	uint8_t		severity;	/* 0x01 */
    617	uint8_t		type;		/* 0x02 */
    618	uint8_t		disposition;	/* 0x03 */
    619	uint8_t		reserved_1[4];	/* 0x04 */
    620
    621	__be64		hmer;
    622	/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
    623	__be64		tfmr;
    624
    625	/* version 2 and later */
    626	union {
    627		/*
    628		 * checkstop info (Core/NX).
    629		 * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
    630		 */
    631		struct {
    632			uint8_t	xstop_type;	/* enum OpalHMI_XstopType */
    633			uint8_t reserved_1[3];
    634			__be32  xstop_reason;
    635			union {
    636				__be32 pir;	/* for CHECKSTOP_TYPE_CORE */
    637				__be32 chip_id;	/* for CHECKSTOP_TYPE_NX */
    638			} u;
    639		} xstop_error;
    640	} u;
    641};
    642
    643/* OPAL_HANDLE_HMI2 out_flags */
    644enum {
    645	OPAL_HMI_FLAGS_TB_RESYNC	= (1ull << 0), /* Timebase has been resynced */
    646	OPAL_HMI_FLAGS_DEC_LOST		= (1ull << 1), /* DEC lost, needs to be reprogrammed */
    647	OPAL_HMI_FLAGS_HDEC_LOST	= (1ull << 2), /* HDEC lost, needs to be reprogrammed */
    648	OPAL_HMI_FLAGS_TOD_TB_FAIL	= (1ull << 3), /* TOD/TB recovery failed. */
    649	OPAL_HMI_FLAGS_NEW_EVENT	= (1ull << 63), /* An event has been created */
    650};
    651
    652enum {
    653	OPAL_P7IOC_DIAG_TYPE_NONE	= 0,
    654	OPAL_P7IOC_DIAG_TYPE_RGC	= 1,
    655	OPAL_P7IOC_DIAG_TYPE_BI		= 2,
    656	OPAL_P7IOC_DIAG_TYPE_CI		= 3,
    657	OPAL_P7IOC_DIAG_TYPE_MISC	= 4,
    658	OPAL_P7IOC_DIAG_TYPE_I2C	= 5,
    659	OPAL_P7IOC_DIAG_TYPE_LAST	= 6
    660};
    661
    662struct OpalIoP7IOCErrorData {
    663	__be16 type;
    664
    665	/* GEM */
    666	__be64 gemXfir;
    667	__be64 gemRfir;
    668	__be64 gemRirqfir;
    669	__be64 gemMask;
    670	__be64 gemRwof;
    671
    672	/* LEM */
    673	__be64 lemFir;
    674	__be64 lemErrMask;
    675	__be64 lemAction0;
    676	__be64 lemAction1;
    677	__be64 lemWof;
    678
    679	union {
    680		struct OpalIoP7IOCRgcErrorData {
    681			__be64 rgcStatus;	/* 3E1C10 */
    682			__be64 rgcLdcp;		/* 3E1C18 */
    683		}rgc;
    684		struct OpalIoP7IOCBiErrorData {
    685			__be64 biLdcp0;		/* 3C0100, 3C0118 */
    686			__be64 biLdcp1;		/* 3C0108, 3C0120 */
    687			__be64 biLdcp2;		/* 3C0110, 3C0128 */
    688			__be64 biFenceStatus;	/* 3C0130, 3C0130 */
    689
    690			uint8_t biDownbound;	/* BI Downbound or Upbound */
    691		}bi;
    692		struct OpalIoP7IOCCiErrorData {
    693			__be64 ciPortStatus;	/* 3Dn008 */
    694			__be64 ciPortLdcp;	/* 3Dn010 */
    695
    696			uint8_t ciPort;		/* Index of CI port: 0/1 */
    697		}ci;
    698	};
    699};
    700
    701/**
    702 * This structure defines the overlay which will be used to store PHB error
    703 * data upon request.
    704 */
    705enum {
    706	OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
    707};
    708
    709enum {
    710	OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
    711	OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2,
    712	OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
    713};
    714
    715enum {
    716	OPAL_P7IOC_NUM_PEST_REGS = 128,
    717	OPAL_PHB3_NUM_PEST_REGS = 256,
    718	OPAL_PHB4_NUM_PEST_REGS = 512
    719};
    720
    721struct OpalIoPhbErrorCommon {
    722	__be32 version;
    723	__be32 ioType;
    724	__be32 len;
    725};
    726
    727struct OpalIoP7IOCPhbErrorData {
    728	struct OpalIoPhbErrorCommon common;
    729
    730	__be32 brdgCtl;
    731
    732	// P7IOC utl regs
    733	__be32 portStatusReg;
    734	__be32 rootCmplxStatus;
    735	__be32 busAgentStatus;
    736
    737	// P7IOC cfg regs
    738	__be32 deviceStatus;
    739	__be32 slotStatus;
    740	__be32 linkStatus;
    741	__be32 devCmdStatus;
    742	__be32 devSecStatus;
    743
    744	// cfg AER regs
    745	__be32 rootErrorStatus;
    746	__be32 uncorrErrorStatus;
    747	__be32 corrErrorStatus;
    748	__be32 tlpHdr1;
    749	__be32 tlpHdr2;
    750	__be32 tlpHdr3;
    751	__be32 tlpHdr4;
    752	__be32 sourceId;
    753
    754	__be32 rsv3;
    755
    756	// Record data about the call to allocate a buffer.
    757	__be64 errorClass;
    758	__be64 correlator;
    759
    760	//P7IOC MMIO Error Regs
    761	__be64 p7iocPlssr;                // n120
    762	__be64 p7iocCsr;                  // n110
    763	__be64 lemFir;                    // nC00
    764	__be64 lemErrorMask;              // nC18
    765	__be64 lemWOF;                    // nC40
    766	__be64 phbErrorStatus;            // nC80
    767	__be64 phbFirstErrorStatus;       // nC88
    768	__be64 phbErrorLog0;              // nCC0
    769	__be64 phbErrorLog1;              // nCC8
    770	__be64 mmioErrorStatus;           // nD00
    771	__be64 mmioFirstErrorStatus;      // nD08
    772	__be64 mmioErrorLog0;             // nD40
    773	__be64 mmioErrorLog1;             // nD48
    774	__be64 dma0ErrorStatus;           // nD80
    775	__be64 dma0FirstErrorStatus;      // nD88
    776	__be64 dma0ErrorLog0;             // nDC0
    777	__be64 dma0ErrorLog1;             // nDC8
    778	__be64 dma1ErrorStatus;           // nE00
    779	__be64 dma1FirstErrorStatus;      // nE08
    780	__be64 dma1ErrorLog0;             // nE40
    781	__be64 dma1ErrorLog1;             // nE48
    782	__be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
    783	__be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
    784};
    785
    786struct OpalIoPhb3ErrorData {
    787	struct OpalIoPhbErrorCommon common;
    788
    789	__be32 brdgCtl;
    790
    791	/* PHB3 UTL regs */
    792	__be32 portStatusReg;
    793	__be32 rootCmplxStatus;
    794	__be32 busAgentStatus;
    795
    796	/* PHB3 cfg regs */
    797	__be32 deviceStatus;
    798	__be32 slotStatus;
    799	__be32 linkStatus;
    800	__be32 devCmdStatus;
    801	__be32 devSecStatus;
    802
    803	/* cfg AER regs */
    804	__be32 rootErrorStatus;
    805	__be32 uncorrErrorStatus;
    806	__be32 corrErrorStatus;
    807	__be32 tlpHdr1;
    808	__be32 tlpHdr2;
    809	__be32 tlpHdr3;
    810	__be32 tlpHdr4;
    811	__be32 sourceId;
    812
    813	__be32 rsv3;
    814
    815	/* Record data about the call to allocate a buffer */
    816	__be64 errorClass;
    817	__be64 correlator;
    818
    819	/* PHB3 MMIO Error Regs */
    820	__be64 nFir;			/* 000 */
    821	__be64 nFirMask;		/* 003 */
    822	__be64 nFirWOF;		/* 008 */
    823	__be64 phbPlssr;		/* 120 */
    824	__be64 phbCsr;		/* 110 */
    825	__be64 lemFir;		/* C00 */
    826	__be64 lemErrorMask;		/* C18 */
    827	__be64 lemWOF;		/* C40 */
    828	__be64 phbErrorStatus;	/* C80 */
    829	__be64 phbFirstErrorStatus;	/* C88 */
    830	__be64 phbErrorLog0;		/* CC0 */
    831	__be64 phbErrorLog1;		/* CC8 */
    832	__be64 mmioErrorStatus;	/* D00 */
    833	__be64 mmioFirstErrorStatus;	/* D08 */
    834	__be64 mmioErrorLog0;		/* D40 */
    835	__be64 mmioErrorLog1;		/* D48 */
    836	__be64 dma0ErrorStatus;	/* D80 */
    837	__be64 dma0FirstErrorStatus;	/* D88 */
    838	__be64 dma0ErrorLog0;		/* DC0 */
    839	__be64 dma0ErrorLog1;		/* DC8 */
    840	__be64 dma1ErrorStatus;	/* E00 */
    841	__be64 dma1FirstErrorStatus;	/* E08 */
    842	__be64 dma1ErrorLog0;		/* E40 */
    843	__be64 dma1ErrorLog1;		/* E48 */
    844	__be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
    845	__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
    846};
    847
    848struct OpalIoPhb4ErrorData {
    849	struct OpalIoPhbErrorCommon common;
    850
    851	__be32 brdgCtl;
    852
    853	/* PHB4 cfg regs */
    854	__be32 deviceStatus;
    855	__be32 slotStatus;
    856	__be32 linkStatus;
    857	__be32 devCmdStatus;
    858	__be32 devSecStatus;
    859
    860	/* cfg AER regs */
    861	__be32 rootErrorStatus;
    862	__be32 uncorrErrorStatus;
    863	__be32 corrErrorStatus;
    864	__be32 tlpHdr1;
    865	__be32 tlpHdr2;
    866	__be32 tlpHdr3;
    867	__be32 tlpHdr4;
    868	__be32 sourceId;
    869
    870	/* PHB4 ETU Error Regs */
    871	__be64 nFir;				/* 000 */
    872	__be64 nFirMask;			/* 003 */
    873	__be64 nFirWOF;				/* 008 */
    874	__be64 phbPlssr;			/* 120 */
    875	__be64 phbCsr;				/* 110 */
    876	__be64 lemFir;				/* C00 */
    877	__be64 lemErrorMask;			/* C18 */
    878	__be64 lemWOF;				/* C40 */
    879	__be64 phbErrorStatus;			/* C80 */
    880	__be64 phbFirstErrorStatus;		/* C88 */
    881	__be64 phbErrorLog0;			/* CC0 */
    882	__be64 phbErrorLog1;			/* CC8 */
    883	__be64 phbTxeErrorStatus;		/* D00 */
    884	__be64 phbTxeFirstErrorStatus;		/* D08 */
    885	__be64 phbTxeErrorLog0;			/* D40 */
    886	__be64 phbTxeErrorLog1;			/* D48 */
    887	__be64 phbRxeArbErrorStatus;		/* D80 */
    888	__be64 phbRxeArbFirstErrorStatus;	/* D88 */
    889	__be64 phbRxeArbErrorLog0;		/* DC0 */
    890	__be64 phbRxeArbErrorLog1;		/* DC8 */
    891	__be64 phbRxeMrgErrorStatus;		/* E00 */
    892	__be64 phbRxeMrgFirstErrorStatus;	/* E08 */
    893	__be64 phbRxeMrgErrorLog0;		/* E40 */
    894	__be64 phbRxeMrgErrorLog1;		/* E48 */
    895	__be64 phbRxeTceErrorStatus;		/* E80 */
    896	__be64 phbRxeTceFirstErrorStatus;	/* E88 */
    897	__be64 phbRxeTceErrorLog0;		/* EC0 */
    898	__be64 phbRxeTceErrorLog1;		/* EC8 */
    899
    900	/* PHB4 REGB Error Regs */
    901	__be64 phbPblErrorStatus;		/* 1900 */
    902	__be64 phbPblFirstErrorStatus;		/* 1908 */
    903	__be64 phbPblErrorLog0;			/* 1940 */
    904	__be64 phbPblErrorLog1;			/* 1948 */
    905	__be64 phbPcieDlpErrorLog1;		/* 1AA0 */
    906	__be64 phbPcieDlpErrorLog2;		/* 1AA8 */
    907	__be64 phbPcieDlpErrorStatus;		/* 1AB0 */
    908	__be64 phbRegbErrorStatus;		/* 1C00 */
    909	__be64 phbRegbFirstErrorStatus;		/* 1C08 */
    910	__be64 phbRegbErrorLog0;		/* 1C40 */
    911	__be64 phbRegbErrorLog1;		/* 1C48 */
    912
    913	__be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
    914	__be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
    915};
    916
    917enum {
    918	OPAL_REINIT_CPUS_HILE_BE	= (1 << 0),
    919	OPAL_REINIT_CPUS_HILE_LE	= (1 << 1),
    920
    921	/* These two define the base MMU mode of the host on P9
    922	 *
    923	 * On P9 Nimbus DD2.0 and Cumlus (and later), KVM can still
    924	 * create hash guests in "radix" mode with care (full core
    925	 * switch only).
    926	 */
    927	OPAL_REINIT_CPUS_MMU_HASH	= (1 << 2),
    928	OPAL_REINIT_CPUS_MMU_RADIX	= (1 << 3),
    929
    930	OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED = (1 << 4),
    931};
    932
    933typedef struct oppanel_line {
    934	__be64 line;
    935	__be64 line_len;
    936} oppanel_line_t;
    937
    938enum opal_prd_msg_type {
    939	OPAL_PRD_MSG_TYPE_INIT = 0,	/* HBRT --> OPAL */
    940	OPAL_PRD_MSG_TYPE_FINI,		/* HBRT/kernel --> OPAL */
    941	OPAL_PRD_MSG_TYPE_ATTN,		/* HBRT <-- OPAL */
    942	OPAL_PRD_MSG_TYPE_ATTN_ACK,	/* HBRT --> OPAL */
    943	OPAL_PRD_MSG_TYPE_OCC_ERROR,	/* HBRT <-- OPAL */
    944	OPAL_PRD_MSG_TYPE_OCC_RESET,	/* HBRT <-- OPAL */
    945};
    946
    947struct opal_prd_msg_header {
    948	uint8_t		type;
    949	uint8_t		pad[1];
    950	__be16		size;
    951};
    952
    953struct opal_prd_msg;
    954
    955#define OCC_RESET                       0
    956#define OCC_LOAD                        1
    957#define OCC_THROTTLE                    2
    958#define OCC_MAX_THROTTLE_STATUS         5
    959
    960struct opal_occ_msg {
    961	__be64 type;
    962	__be64 chip;
    963	__be64 throttle_status;
    964};
    965
    966/*
    967 * SG entries
    968 *
    969 * WARNING: The current implementation requires each entry
    970 * to represent a block that is 4k aligned *and* each block
    971 * size except the last one in the list to be as well.
    972 */
    973struct opal_sg_entry {
    974	__be64 data;
    975	__be64 length;
    976};
    977
    978/*
    979 * Candidate image SG list.
    980 *
    981 * length = VER | length
    982 */
    983struct opal_sg_list {
    984	__be64 length;
    985	__be64 next;
    986	struct opal_sg_entry entry[];
    987};
    988
    989/*
    990 * Dump region ID range usable by the OS
    991 */
    992#define OPAL_DUMP_REGION_HOST_START		0x80
    993#define OPAL_DUMP_REGION_LOG_BUF		0x80
    994#define OPAL_DUMP_REGION_HOST_END		0xFF
    995
    996/* CAPI modes for PHB */
    997enum {
    998	OPAL_PHB_CAPI_MODE_PCIE		= 0,
    999	OPAL_PHB_CAPI_MODE_CAPI		= 1,
   1000	OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
   1001	OPAL_PHB_CAPI_MODE_SNOOP_ON	= 3,
   1002	OPAL_PHB_CAPI_MODE_DMA		= 4,
   1003	OPAL_PHB_CAPI_MODE_DMA_TVT1	= 5,
   1004};
   1005
   1006/* OPAL I2C request */
   1007struct opal_i2c_request {
   1008	uint8_t	type;
   1009#define OPAL_I2C_RAW_READ	0
   1010#define OPAL_I2C_RAW_WRITE	1
   1011#define OPAL_I2C_SM_READ	2
   1012#define OPAL_I2C_SM_WRITE	3
   1013	uint8_t flags;
   1014#define OPAL_I2C_ADDR_10	0x01	/* Not supported yet */
   1015	uint8_t	subaddr_sz;		/* Max 4 */
   1016	uint8_t reserved;
   1017	__be16 addr;			/* 7 or 10 bit address */
   1018	__be16 reserved2;
   1019	__be32 subaddr;		/* Sub-address if any */
   1020	__be32 size;			/* Data size */
   1021	__be64 buffer_ra;		/* Buffer real address */
   1022};
   1023
   1024/*
   1025 * EPOW status sharing (OPAL and the host)
   1026 *
   1027 * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
   1028 * with individual elements being 16 bits wide to fetch the system
   1029 * wide EPOW status. Each element in the buffer will contain the
   1030 * EPOW status in it's bit representation for a particular EPOW sub
   1031 * class as defined here. So multiple detailed EPOW status bits
   1032 * specific for any sub class can be represented in a single buffer
   1033 * element as it's bit representation.
   1034 */
   1035
   1036/* System EPOW type */
   1037enum OpalSysEpow {
   1038	OPAL_SYSEPOW_POWER	= 0,	/* Power EPOW */
   1039	OPAL_SYSEPOW_TEMP	= 1,	/* Temperature EPOW */
   1040	OPAL_SYSEPOW_COOLING	= 2,	/* Cooling EPOW */
   1041	OPAL_SYSEPOW_MAX	= 3,	/* Max EPOW categories */
   1042};
   1043
   1044/* Power EPOW */
   1045enum OpalSysPower {
   1046	OPAL_SYSPOWER_UPS	= 0x0001, /* System on UPS power */
   1047	OPAL_SYSPOWER_CHNG	= 0x0002, /* System power config change */
   1048	OPAL_SYSPOWER_FAIL	= 0x0004, /* System impending power failure */
   1049	OPAL_SYSPOWER_INCL	= 0x0008, /* System incomplete power */
   1050};
   1051
   1052/* Temperature EPOW */
   1053enum OpalSysTemp {
   1054	OPAL_SYSTEMP_AMB	= 0x0001, /* System over ambient temperature */
   1055	OPAL_SYSTEMP_INT	= 0x0002, /* System over internal temperature */
   1056	OPAL_SYSTEMP_HMD	= 0x0004, /* System over ambient humidity */
   1057};
   1058
   1059/* Cooling EPOW */
   1060enum OpalSysCooling {
   1061	OPAL_SYSCOOL_INSF	= 0x0001, /* System insufficient cooling */
   1062};
   1063
   1064/* Argument to OPAL_CEC_REBOOT2() */
   1065enum {
   1066	OPAL_REBOOT_NORMAL		= 0,
   1067	OPAL_REBOOT_PLATFORM_ERROR	= 1,
   1068	OPAL_REBOOT_FULL_IPL		= 2,
   1069	OPAL_REBOOT_MPIPL		= 3,
   1070	OPAL_REBOOT_FAST		= 4,
   1071};
   1072
   1073/* Argument to OPAL_PCI_TCE_KILL */
   1074enum {
   1075	OPAL_PCI_TCE_KILL_PAGES,
   1076	OPAL_PCI_TCE_KILL_PE,
   1077	OPAL_PCI_TCE_KILL_ALL,
   1078};
   1079
   1080/* The xive operation mode indicates the active "API" and
   1081 * corresponds to the "mode" parameter of the opal_xive_reset()
   1082 * call
   1083 */
   1084enum {
   1085	OPAL_XIVE_MODE_EMU	= 0,
   1086	OPAL_XIVE_MODE_EXPL	= 1,
   1087};
   1088
   1089/* Flags for OPAL_XIVE_GET_IRQ_INFO */
   1090enum {
   1091	OPAL_XIVE_IRQ_TRIGGER_PAGE	= 0x00000001,
   1092	OPAL_XIVE_IRQ_STORE_EOI		= 0x00000002,
   1093	OPAL_XIVE_IRQ_LSI		= 0x00000004,
   1094	OPAL_XIVE_IRQ_SHIFT_BUG		= 0x00000008, /* P9 DD1.0 workaround */
   1095	OPAL_XIVE_IRQ_MASK_VIA_FW	= 0x00000010, /* P9 DD1.0 workaround */
   1096	OPAL_XIVE_IRQ_EOI_VIA_FW	= 0x00000020, /* P9 DD1.0 workaround */
   1097	OPAL_XIVE_IRQ_STORE_EOI2	= 0x00000040,
   1098};
   1099
   1100/* Flags for OPAL_XIVE_GET/SET_QUEUE_INFO */
   1101enum {
   1102	OPAL_XIVE_EQ_ENABLED		= 0x00000001,
   1103	OPAL_XIVE_EQ_ALWAYS_NOTIFY	= 0x00000002,
   1104	OPAL_XIVE_EQ_ESCALATE		= 0x00000004,
   1105};
   1106
   1107/* Flags for OPAL_XIVE_GET/SET_VP_INFO */
   1108enum {
   1109	OPAL_XIVE_VP_ENABLED		= 0x00000001,
   1110	OPAL_XIVE_VP_SINGLE_ESCALATION	= 0x00000002,
   1111};
   1112
   1113/* "Any chip" replacement for chip ID for allocation functions */
   1114enum {
   1115	OPAL_XIVE_ANY_CHIP		= 0xffffffff,
   1116};
   1117
   1118/* Xive sync options */
   1119enum {
   1120	/* This bits are cumulative, arg is a girq */
   1121	XIVE_SYNC_EAS			= 0x00000001, /* Sync irq source */
   1122	XIVE_SYNC_QUEUE			= 0x00000002, /* Sync irq target */
   1123};
   1124
   1125/* Dump options */
   1126enum {
   1127	XIVE_DUMP_TM_HYP	= 0,
   1128	XIVE_DUMP_TM_POOL	= 1,
   1129	XIVE_DUMP_TM_OS		= 2,
   1130	XIVE_DUMP_TM_USER	= 3,
   1131	XIVE_DUMP_VP		= 4,
   1132	XIVE_DUMP_EMU_STATE	= 5,
   1133};
   1134
   1135/* "type" argument options for OPAL_IMC_COUNTERS_* calls */
   1136enum {
   1137	OPAL_IMC_COUNTERS_NEST = 1,
   1138	OPAL_IMC_COUNTERS_CORE = 2,
   1139	OPAL_IMC_COUNTERS_TRACE = 3,
   1140};
   1141
   1142
   1143/* PCI p2p descriptor */
   1144#define OPAL_PCI_P2P_ENABLE		0x1
   1145#define OPAL_PCI_P2P_LOAD		0x2
   1146#define OPAL_PCI_P2P_STORE		0x4
   1147
   1148/* MPIPL update operations */
   1149enum opal_mpipl_ops {
   1150	OPAL_MPIPL_ADD_RANGE			= 0,
   1151	OPAL_MPIPL_REMOVE_RANGE			= 1,
   1152	OPAL_MPIPL_REMOVE_ALL			= 2,
   1153	OPAL_MPIPL_FREE_PRESERVED_MEMORY	= 3,
   1154};
   1155
   1156/* Tag will point to various metadata area. Kernel will
   1157 * use tag to get metadata value.
   1158 */
   1159enum opal_mpipl_tags {
   1160	OPAL_MPIPL_TAG_CPU	= 0,
   1161	OPAL_MPIPL_TAG_OPAL	= 1,
   1162	OPAL_MPIPL_TAG_KERNEL	= 2,
   1163	OPAL_MPIPL_TAG_BOOT_MEM	= 3,
   1164};
   1165
   1166/* Preserved memory details */
   1167struct opal_mpipl_region {
   1168	__be64	src;
   1169	__be64	dest;
   1170	__be64	size;
   1171};
   1172
   1173/* Structure version */
   1174#define OPAL_MPIPL_VERSION		0x01
   1175
   1176struct opal_mpipl_fadump {
   1177	u8	version;
   1178	u8	reserved[7];
   1179	__be32	crashing_pir;	/* OPAL crashing CPU PIR */
   1180	__be32	cpu_data_version;
   1181	__be32	cpu_data_size;
   1182	__be32	region_cnt;
   1183	struct	opal_mpipl_region region[];
   1184} __packed;
   1185
   1186#endif /* __ASSEMBLY__ */
   1187
   1188#endif /* __OPAL_API_H */