diff --git a/xen/arch/ppc/include/asm/opal-api.h b/xen/arch/ppc/include/asm/opal-api.h
new file mode 100644
index 0000000000..75100eda83
--- /dev/null
+++ b/xen/arch/ppc/include/asm/opal-api.h
@@ -0,0 +1,1190 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * OPAL API definitions.
+ *
+ * Copyright 2011-2015 IBM Corp.
+ */
+
+#ifndef __OPAL_API_H
+#define __OPAL_API_H
+
+/****** 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
+#define OPAL_EMPTY		-16
+#define OPAL_I2C_TIMEOUT	-17
+#define OPAL_I2C_INVALID_CMD	-18
+#define OPAL_I2C_LBUS_PARITY	-19
+#define OPAL_I2C_BKEND_OVERRUN	-20
+#define OPAL_I2C_BKEND_ACCESS	-21
+#define OPAL_I2C_ARBT_LOST	-22
+#define OPAL_I2C_NACK_RCVD	-23
+#define OPAL_I2C_STOP_ERR	-24
+#define OPAL_XIVE_PROVISIONING	-31
+#define OPAL_XIVE_FREE_ACTIVE	-32
+#define OPAL_TIMEOUT		-33
+
+/* API Tokens (in r0) */
+#define OPAL_INVALID_CALL		       -1
+#define OPAL_TEST				0
+#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 /* unimplemented */
+#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_CHECK_TOKEN			80
+#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_ELOG_SEND				92	/* Deprecated */
+#define OPAL_PCI_SET_PHB_CAPI_MODE		93
+#define OPAL_DUMP_INFO2				94
+#define OPAL_WRITE_OPPANEL_ASYNC		95
+#define OPAL_PCI_ERR_INJECT			96
+#define OPAL_PCI_EEH_FREEZE_SET			97
+#define OPAL_HANDLE_HMI				98
+#define OPAL_CONFIG_CPU_IDLE_STATE		99
+#define OPAL_SLW_SET_REG			100
+#define OPAL_REGISTER_DUMP_REGION		101
+#define OPAL_UNREGISTER_DUMP_REGION		102
+#define OPAL_WRITE_TPO				103
+#define OPAL_READ_TPO				104
+#define OPAL_GET_DPO_STATUS			105
+#define OPAL_OLD_I2C_REQUEST			106	/* Deprecated */
+#define OPAL_IPMI_SEND				107
+#define OPAL_IPMI_RECV				108
+#define OPAL_I2C_REQUEST			109
+#define OPAL_FLASH_READ				110
+#define OPAL_FLASH_WRITE			111
+#define OPAL_FLASH_ERASE			112
+#define OPAL_PRD_MSG				113
+#define OPAL_LEDS_GET_INDICATOR			114
+#define OPAL_LEDS_SET_INDICATOR			115
+#define OPAL_CEC_REBOOT2			116
+#define OPAL_CONSOLE_FLUSH			117
+#define OPAL_GET_DEVICE_TREE			118
+#define OPAL_PCI_GET_PRESENCE_STATE		119
+#define OPAL_PCI_GET_POWER_STATE		120
+#define OPAL_PCI_SET_POWER_STATE		121
+#define OPAL_INT_GET_XIRR			122
+#define	OPAL_INT_SET_CPPR			123
+#define OPAL_INT_EOI				124
+#define OPAL_INT_SET_MFRR			125
+#define OPAL_PCI_TCE_KILL			126
+#define OPAL_NMMU_SET_PTCR			127
+#define OPAL_XIVE_RESET				128
+#define OPAL_XIVE_GET_IRQ_INFO			129
+#define OPAL_XIVE_GET_IRQ_CONFIG		130
+#define OPAL_XIVE_SET_IRQ_CONFIG		131
+#define OPAL_XIVE_GET_QUEUE_INFO		132
+#define OPAL_XIVE_SET_QUEUE_INFO		133
+#define OPAL_XIVE_DONATE_PAGE			134
+#define OPAL_XIVE_ALLOCATE_VP_BLOCK		135
+#define OPAL_XIVE_FREE_VP_BLOCK			136
+#define OPAL_XIVE_GET_VP_INFO			137
+#define OPAL_XIVE_SET_VP_INFO			138
+#define OPAL_XIVE_ALLOCATE_IRQ			139
+#define OPAL_XIVE_FREE_IRQ			140
+#define OPAL_XIVE_SYNC				141
+#define OPAL_XIVE_DUMP				142
+#define OPAL_XIVE_GET_QUEUE_STATE		143
+#define OPAL_XIVE_SET_QUEUE_STATE		144
+#define OPAL_SIGNAL_SYSTEM_RESET		145
+#define OPAL_NPU_INIT_CONTEXT			146
+#define OPAL_NPU_DESTROY_CONTEXT		147
+#define OPAL_NPU_MAP_LPAR			148
+#define OPAL_IMC_COUNTERS_INIT			149
+#define OPAL_IMC_COUNTERS_START			150
+#define OPAL_IMC_COUNTERS_STOP			151
+#define OPAL_GET_POWERCAP			152
+#define OPAL_SET_POWERCAP			153
+#define OPAL_GET_POWER_SHIFT_RATIO		154
+#define OPAL_SET_POWER_SHIFT_RATIO		155
+#define OPAL_SENSOR_GROUP_CLEAR			156
+#define OPAL_PCI_SET_P2P			157
+#define OPAL_QUIESCE				158
+#define OPAL_NPU_SPA_SETUP			159
+#define OPAL_NPU_SPA_CLEAR_CACHE		160
+#define OPAL_NPU_TL_SET				161
+#define OPAL_SENSOR_READ_U64			162
+#define OPAL_SENSOR_GROUP_ENABLE		163
+#define OPAL_PCI_GET_PBCQ_TUNNEL_BAR		164
+#define OPAL_PCI_SET_PBCQ_TUNNEL_BAR		165
+#define OPAL_HANDLE_HMI2			166
+#define	OPAL_NX_COPROC_INIT			167
+#define OPAL_XIVE_GET_VP_STATE			170
+#define OPAL_MPIPL_UPDATE			173
+#define OPAL_MPIPL_REGISTER_TAG			174
+#define OPAL_MPIPL_QUERY_TAG			175
+#define OPAL_SECVAR_GET				176
+#define OPAL_SECVAR_GET_NEXT			177
+#define OPAL_SECVAR_ENQUEUE_UPDATE		178
+#define OPAL_LAST				178
+
+#define QUIESCE_HOLD			1 /* Spin all calls at entry */
+#define QUIESCE_REJECT			2 /* Fail all calls with OPAL_BUSY */
+#define QUIESCE_LOCK_BREAK		3 /* Set to ignore locks. */
+#define QUIESCE_RESUME			4 /* Un-quiesce */
+#define QUIESCE_RESUME_FAST_REBOOT	5 /* Un-quiesce, fast reboot */
+
+/* Device tree flags */
+
+/*
+ * Flags set in power-mgmt nodes in device tree describing
+ * idle states that are supported in the platform.
+ */
+
+#define OPAL_PM_TIMEBASE_STOP		0x00000002
+#define OPAL_PM_LOSE_HYP_CONTEXT	0x00002000
+#define OPAL_PM_LOSE_FULL_CONTEXT	0x00004000
+#define OPAL_PM_NAP_ENABLED		0x00010000
+#define OPAL_PM_SLEEP_ENABLED		0x00020000
+#define OPAL_PM_WINKLE_ENABLED		0x00040000
+#define OPAL_PM_SLEEP_ENABLED_ER1	0x00080000 /* with workaround */
+#define OPAL_PM_STOP_INST_FAST		0x00100000
+#define OPAL_PM_STOP_INST_DEEP		0x00200000
+
+/*
+ * OPAL_CONFIG_CPU_IDLE_STATE parameters
+ */
+#define OPAL_CONFIG_IDLE_FASTSLEEP	1
+#define OPAL_CONFIG_IDLE_UNDO		0
+#define OPAL_CONFIG_IDLE_APPLY		1
+
+#ifndef __ASSEMBLY__
+
+#include <xen/types.h>
+
+/* Other enums */
+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,
+
+	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
+	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
+	OPAL_EEH_ACTION_SET_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 OpalErrinjectType {
+	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR	= 0,
+	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64	= 1,
+};
+
+enum OpalErrinjectFunc {
+	/* IOA bus specific errors */
+	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR	= 0,
+	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA	= 1,
+	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR	= 2,
+	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA	= 3,
+	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR	= 4,
+	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA	= 5,
+	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR	= 6,
+	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA	= 7,
+	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR	= 8,
+	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA	= 9,
+	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR	= 10,
+	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA	= 11,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR	= 12,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA	= 13,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER	= 14,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET	= 15,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR	= 16,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA	= 17,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER	= 18,
+	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET	= 19,
+};
+
+enum OpalMmioWindowType {
+	OPAL_M32_WINDOW_TYPE = 1,
+	OPAL_M64_WINDOW_TYPE = 2,
+	OPAL_IO_WINDOW_TYPE  = 3
+};
+
+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 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 OpalM64Action {
+	OPAL_DISABLE_M64 = 0,
+	OPAL_ENABLE_M64_SPLIT = 1,
+	OPAL_ENABLE_M64_NON_SPLIT = 2
+};
+
+enum OpalPciResetScope {
+	OPAL_RESET_PHB_COMPLETE		= 1,
+	OPAL_RESET_PCI_LINK		= 2,
+	OPAL_RESET_PHB_ERROR		= 3,
+	OPAL_RESET_PCI_HOT		= 4,
+	OPAL_RESET_PCI_FUNDAMENTAL	= 5,
+	OPAL_RESET_PCI_IODA_TABLE	= 6
+};
+
+enum OpalPciReinitScope {
+	/*
+	 * Note: we chose values that do not overlap
+	 * OpalPciResetScope as OPAL v2 used the same
+	 * enum for both
+	 */
+	OPAL_REINIT_PCI_DEV = 1000
+};
+
+enum OpalPciResetState {
+	OPAL_DEASSERT_RESET = 0,
+	OPAL_ASSERT_RESET   = 1
+};
+
+enum OpalPciSlotPresence {
+	OPAL_PCI_SLOT_EMPTY	= 0,
+	OPAL_PCI_SLOT_PRESENT	= 1
+};
+
+enum OpalPciSlotPower {
+	OPAL_PCI_SLOT_POWER_OFF	= 0,
+	OPAL_PCI_SLOT_POWER_ON	= 1,
+	OPAL_PCI_SLOT_OFFLINE	= 2,
+	OPAL_PCI_SLOT_ONLINE	= 3
+};
+
+enum OpalSlotLedType {
+	OPAL_SLOT_LED_TYPE_ID = 0,	/* IDENTIFY LED */
+	OPAL_SLOT_LED_TYPE_FAULT = 1,	/* FAULT LED */
+	OPAL_SLOT_LED_TYPE_ATTN = 2,	/* System Attention LED */
+	OPAL_SLOT_LED_TYPE_MAX = 3
+};
+
+enum OpalSlotLedState {
+	OPAL_SLOT_LED_STATE_OFF = 0,	/* LED is OFF */
+	OPAL_SLOT_LED_STATE_ON = 1	/* LED is ON */
+};
+
+/*
+ * 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,
+};
+
+enum opal_msg_type {
+	OPAL_MSG_ASYNC_COMP	= 0,	/* params[0] = token, params[1] = rc,
+					 * additional params function-specific
+					 */
+	OPAL_MSG_MEM_ERR	= 1,
+	OPAL_MSG_EPOW		= 2,
+	OPAL_MSG_SHUTDOWN	= 3,	/* params[0] = 1 reboot, 0 shutdown */
+	OPAL_MSG_HMI_EVT	= 4,
+	OPAL_MSG_DPO		= 5,
+	OPAL_MSG_PRD		= 6,
+	OPAL_MSG_OCC		= 7,
+	OPAL_MSG_PRD2		= 8,
+	OPAL_MSG_TYPE_MAX,
+};
+
+struct opal_msg {
+	__be32 msg_type;
+	__be32 reserved;
+	__be64 params[8];
+};
+
+/* System parameter permission */
+enum OpalSysparamPerm {
+	OPAL_SYSPARAM_READ  = 0x1,
+	OPAL_SYSPARAM_WRITE = 0x2,
+	OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
+};
+
+enum {
+	OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
+};
+
+struct opal_ipmi_msg {
+	uint8_t version;
+	uint8_t netfn;
+	uint8_t cmd;
+	uint8_t data[];
+};
+
+/* FSP memory errors handling */
+enum OpalMemErr_Version {
+	OpalMemErr_V1 = 1,
+};
+
+enum OpalMemErrType {
+	OPAL_MEM_ERR_TYPE_RESILIENCE	= 0,
+	OPAL_MEM_ERR_TYPE_DYN_DALLOC,
+};
+
+/* 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,
+};
+
+struct OpalMemoryErrorData {
+	enum OpalMemErr_Version	version:8;	/* 0x00 */
+	enum OpalMemErrType	type:8;		/* 0x01 */
+	__be16			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];
+			__be64				physical_address_start;
+			__be64				physical_address_end;
+		} resilience;
+		/* Dynamic memory deallocation error info */
+		struct {
+			enum OpalMemErr_DynErrType	dyn_err_type:8;
+			uint8_t				reserved_1[7];
+			__be64				physical_address_start;
+			__be64				physical_address_end;
+		} dyn_dealloc;
+	} u;
+};
+
+/* HMI interrupt event */
+enum OpalHMI_Version {
+	OpalHMIEvt_V1 = 1,
+	OpalHMIEvt_V2 = 2,
+};
+
+enum OpalHMI_Severity {
+	OpalHMI_SEV_NO_ERROR = 0,
+	OpalHMI_SEV_WARNING = 1,
+	OpalHMI_SEV_ERROR_SYNC = 2,
+	OpalHMI_SEV_FATAL = 3,
+};
+
+enum OpalHMI_Disposition {
+	OpalHMI_DISPOSITION_RECOVERED = 0,
+	OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
+};
+
+enum OpalHMI_ErrType {
+	OpalHMI_ERROR_MALFUNC_ALERT	= 0,
+	OpalHMI_ERROR_PROC_RECOV_DONE,
+	OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
+	OpalHMI_ERROR_PROC_RECOV_MASKED,
+	OpalHMI_ERROR_TFAC,
+	OpalHMI_ERROR_TFMR_PARITY,
+	OpalHMI_ERROR_HA_OVERFLOW_WARN,
+	OpalHMI_ERROR_XSCOM_FAIL,
+	OpalHMI_ERROR_XSCOM_DONE,
+	OpalHMI_ERROR_SCOM_FIR,
+	OpalHMI_ERROR_DEBUG_TRIG_FIR,
+	OpalHMI_ERROR_HYP_RESOURCE,
+	OpalHMI_ERROR_CAPP_RECOVERY,
+};
+
+enum OpalHMI_XstopType {
+	CHECKSTOP_TYPE_UNKNOWN	=	0,
+	CHECKSTOP_TYPE_CORE	=	1,
+	CHECKSTOP_TYPE_NX	=	2,
+	CHECKSTOP_TYPE_NPU	=	3
+};
+
+enum OpalHMI_CoreXstopReason {
+	CORE_CHECKSTOP_IFU_REGFILE		= 0x00000001,
+	CORE_CHECKSTOP_IFU_LOGIC		= 0x00000002,
+	CORE_CHECKSTOP_PC_DURING_RECOV		= 0x00000004,
+	CORE_CHECKSTOP_ISU_REGFILE		= 0x00000008,
+	CORE_CHECKSTOP_ISU_LOGIC		= 0x00000010,
+	CORE_CHECKSTOP_FXU_LOGIC		= 0x00000020,
+	CORE_CHECKSTOP_VSU_LOGIC		= 0x00000040,
+	CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE	= 0x00000080,
+	CORE_CHECKSTOP_LSU_REGFILE		= 0x00000100,
+	CORE_CHECKSTOP_PC_FWD_PROGRESS		= 0x00000200,
+	CORE_CHECKSTOP_LSU_LOGIC		= 0x00000400,
+	CORE_CHECKSTOP_PC_LOGIC			= 0x00000800,
+	CORE_CHECKSTOP_PC_HYP_RESOURCE		= 0x00001000,
+	CORE_CHECKSTOP_PC_HANG_RECOV_FAILED	= 0x00002000,
+	CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED	= 0x00004000,
+	CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ	= 0x00008000,
+	CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ	= 0x00010000,
+};
+
+enum OpalHMI_NestAccelXstopReason {
+	NX_CHECKSTOP_SHM_INVAL_STATE_ERR	= 0x00000001,
+	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1	= 0x00000002,
+	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2	= 0x00000004,
+	NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR	= 0x00000008,
+	NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR	= 0x00000010,
+	NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR	= 0x00000020,
+	NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR	= 0x00000040,
+	NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR	= 0x00000080,
+	NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR	= 0x00000100,
+	NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR	= 0x00000200,
+	NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR	= 0x00000400,
+	NX_CHECKSTOP_DMA_CRB_UE			= 0x00000800,
+	NX_CHECKSTOP_DMA_CRB_SUE		= 0x00001000,
+	NX_CHECKSTOP_PBI_ISN_UE			= 0x00002000,
+};
+
+struct OpalHMIEvent {
+	uint8_t		version;	/* 0x00 */
+	uint8_t		severity;	/* 0x01 */
+	uint8_t		type;		/* 0x02 */
+	uint8_t		disposition;	/* 0x03 */
+	uint8_t		reserved_1[4];	/* 0x04 */
+
+	__be64		hmer;
+	/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
+	__be64		tfmr;
+
+	/* version 2 and later */
+	union {
+		/*
+		 * checkstop info (Core/NX).
+		 * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
+		 */
+		struct {
+			uint8_t	xstop_type;	/* enum OpalHMI_XstopType */
+			uint8_t reserved_1[3];
+			__be32  xstop_reason;
+			union {
+				__be32 pir;	/* for CHECKSTOP_TYPE_CORE */
+				__be32 chip_id;	/* for CHECKSTOP_TYPE_NX */
+			} u;
+		} xstop_error;
+	} u;
+};
+
+/* OPAL_HANDLE_HMI2 out_flags */
+enum {
+	OPAL_HMI_FLAGS_TB_RESYNC	= (1ull << 0), /* Timebase has been resynced */
+	OPAL_HMI_FLAGS_DEC_LOST		= (1ull << 1), /* DEC lost, needs to be reprogrammed */
+	OPAL_HMI_FLAGS_HDEC_LOST	= (1ull << 2), /* HDEC lost, needs to be reprogrammed */
+	OPAL_HMI_FLAGS_TOD_TB_FAIL	= (1ull << 3), /* TOD/TB recovery failed. */
+	OPAL_HMI_FLAGS_NEW_EVENT	= (1ull << 63), /* An event has been created */
+};
+
+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 {
+	__be16 type;
+
+	/* GEM */
+	__be64 gemXfir;
+	__be64 gemRfir;
+	__be64 gemRirqfir;
+	__be64 gemMask;
+	__be64 gemRwof;
+
+	/* LEM */
+	__be64 lemFir;
+	__be64 lemErrMask;
+	__be64 lemAction0;
+	__be64 lemAction1;
+	__be64 lemWof;
+
+	union {
+		struct OpalIoP7IOCRgcErrorData {
+			__be64 rgcStatus;	/* 3E1C10 */
+			__be64 rgcLdcp;		/* 3E1C18 */
+		}rgc;
+		struct OpalIoP7IOCBiErrorData {
+			__be64 biLdcp0;		/* 3C0100, 3C0118 */
+			__be64 biLdcp1;		/* 3C0108, 3C0120 */
+			__be64 biLdcp2;		/* 3C0110, 3C0128 */
+			__be64 biFenceStatus;	/* 3C0130, 3C0130 */
+
+			uint8_t biDownbound;	/* BI Downbound or Upbound */
+		}bi;
+		struct OpalIoP7IOCCiErrorData {
+			__be64 ciPortStatus;	/* 3Dn008 */
+			__be64 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,
+	OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
+};
+
+enum {
+	OPAL_P7IOC_NUM_PEST_REGS = 128,
+	OPAL_PHB3_NUM_PEST_REGS = 256,
+	OPAL_PHB4_NUM_PEST_REGS = 512
+};
+
+struct OpalIoPhbErrorCommon {
+	__be32 version;
+	__be32 ioType;
+	__be32 len;
+};
+
+struct OpalIoP7IOCPhbErrorData {
+	struct OpalIoPhbErrorCommon common;
+
+	__be32 brdgCtl;
+
+	// P7IOC utl regs
+	__be32 portStatusReg;
+	__be32 rootCmplxStatus;
+	__be32 busAgentStatus;
+
+	// P7IOC cfg regs
+	__be32 deviceStatus;
+	__be32 slotStatus;
+	__be32 linkStatus;
+	__be32 devCmdStatus;
+	__be32 devSecStatus;
+
+	// cfg AER regs
+	__be32 rootErrorStatus;
+	__be32 uncorrErrorStatus;
+	__be32 corrErrorStatus;
+	__be32 tlpHdr1;
+	__be32 tlpHdr2;
+	__be32 tlpHdr3;
+	__be32 tlpHdr4;
+	__be32 sourceId;
+
+	__be32 rsv3;
+
+	// Record data about the call to allocate a buffer.
+	__be64 errorClass;
+	__be64 correlator;
+
+	//P7IOC MMIO Error Regs
+	__be64 p7iocPlssr;                // n120
+	__be64 p7iocCsr;                  // n110
+	__be64 lemFir;                    // nC00
+	__be64 lemErrorMask;              // nC18
+	__be64 lemWOF;                    // nC40
+	__be64 phbErrorStatus;            // nC80
+	__be64 phbFirstErrorStatus;       // nC88
+	__be64 phbErrorLog0;              // nCC0
+	__be64 phbErrorLog1;              // nCC8
+	__be64 mmioErrorStatus;           // nD00
+	__be64 mmioFirstErrorStatus;      // nD08
+	__be64 mmioErrorLog0;             // nD40
+	__be64 mmioErrorLog1;             // nD48
+	__be64 dma0ErrorStatus;           // nD80
+	__be64 dma0FirstErrorStatus;      // nD88
+	__be64 dma0ErrorLog0;             // nDC0
+	__be64 dma0ErrorLog1;             // nDC8
+	__be64 dma1ErrorStatus;           // nE00
+	__be64 dma1FirstErrorStatus;      // nE08
+	__be64 dma1ErrorLog0;             // nE40
+	__be64 dma1ErrorLog1;             // nE48
+	__be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
+	__be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
+};
+
+struct OpalIoPhb3ErrorData {
+	struct OpalIoPhbErrorCommon common;
+
+	__be32 brdgCtl;
+
+	/* PHB3 UTL regs */
+	__be32 portStatusReg;
+	__be32 rootCmplxStatus;
+	__be32 busAgentStatus;
+
+	/* PHB3 cfg regs */
+	__be32 deviceStatus;
+	__be32 slotStatus;
+	__be32 linkStatus;
+	__be32 devCmdStatus;
+	__be32 devSecStatus;
+
+	/* cfg AER regs */
+	__be32 rootErrorStatus;
+	__be32 uncorrErrorStatus;
+	__be32 corrErrorStatus;
+	__be32 tlpHdr1;
+	__be32 tlpHdr2;
+	__be32 tlpHdr3;
+	__be32 tlpHdr4;
+	__be32 sourceId;
+
+	__be32 rsv3;
+
+	/* Record data about the call to allocate a buffer */
+	__be64 errorClass;
+	__be64 correlator;
+
+	/* PHB3 MMIO Error Regs */
+	__be64 nFir;			/* 000 */
+	__be64 nFirMask;		/* 003 */
+	__be64 nFirWOF;		/* 008 */
+	__be64 phbPlssr;		/* 120 */
+	__be64 phbCsr;		/* 110 */
+	__be64 lemFir;		/* C00 */
+	__be64 lemErrorMask;		/* C18 */
+	__be64 lemWOF;		/* C40 */
+	__be64 phbErrorStatus;	/* C80 */
+	__be64 phbFirstErrorStatus;	/* C88 */
+	__be64 phbErrorLog0;		/* CC0 */
+	__be64 phbErrorLog1;		/* CC8 */
+	__be64 mmioErrorStatus;	/* D00 */
+	__be64 mmioFirstErrorStatus;	/* D08 */
+	__be64 mmioErrorLog0;		/* D40 */
+	__be64 mmioErrorLog1;		/* D48 */
+	__be64 dma0ErrorStatus;	/* D80 */
+	__be64 dma0FirstErrorStatus;	/* D88 */
+	__be64 dma0ErrorLog0;		/* DC0 */
+	__be64 dma0ErrorLog1;		/* DC8 */
+	__be64 dma1ErrorStatus;	/* E00 */
+	__be64 dma1FirstErrorStatus;	/* E08 */
+	__be64 dma1ErrorLog0;		/* E40 */
+	__be64 dma1ErrorLog1;		/* E48 */
+	__be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
+	__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
+};
+
+struct OpalIoPhb4ErrorData {
+	struct OpalIoPhbErrorCommon common;
+
+	__be32 brdgCtl;
+
+	/* PHB4 cfg regs */
+	__be32 deviceStatus;
+	__be32 slotStatus;
+	__be32 linkStatus;
+	__be32 devCmdStatus;
+	__be32 devSecStatus;
+
+	/* cfg AER regs */
+	__be32 rootErrorStatus;
+	__be32 uncorrErrorStatus;
+	__be32 corrErrorStatus;
+	__be32 tlpHdr1;
+	__be32 tlpHdr2;
+	__be32 tlpHdr3;
+	__be32 tlpHdr4;
+	__be32 sourceId;
+
+	/* PHB4 ETU Error Regs */
+	__be64 nFir;				/* 000 */
+	__be64 nFirMask;			/* 003 */
+	__be64 nFirWOF;				/* 008 */
+	__be64 phbPlssr;			/* 120 */
+	__be64 phbCsr;				/* 110 */
+	__be64 lemFir;				/* C00 */
+	__be64 lemErrorMask;			/* C18 */
+	__be64 lemWOF;				/* C40 */
+	__be64 phbErrorStatus;			/* C80 */
+	__be64 phbFirstErrorStatus;		/* C88 */
+	__be64 phbErrorLog0;			/* CC0 */
+	__be64 phbErrorLog1;			/* CC8 */
+	__be64 phbTxeErrorStatus;		/* D00 */
+	__be64 phbTxeFirstErrorStatus;		/* D08 */
+	__be64 phbTxeErrorLog0;			/* D40 */
+	__be64 phbTxeErrorLog1;			/* D48 */
+	__be64 phbRxeArbErrorStatus;		/* D80 */
+	__be64 phbRxeArbFirstErrorStatus;	/* D88 */
+	__be64 phbRxeArbErrorLog0;		/* DC0 */
+	__be64 phbRxeArbErrorLog1;		/* DC8 */
+	__be64 phbRxeMrgErrorStatus;		/* E00 */
+	__be64 phbRxeMrgFirstErrorStatus;	/* E08 */
+	__be64 phbRxeMrgErrorLog0;		/* E40 */
+	__be64 phbRxeMrgErrorLog1;		/* E48 */
+	__be64 phbRxeTceErrorStatus;		/* E80 */
+	__be64 phbRxeTceFirstErrorStatus;	/* E88 */
+	__be64 phbRxeTceErrorLog0;		/* EC0 */
+	__be64 phbRxeTceErrorLog1;		/* EC8 */
+
+	/* PHB4 REGB Error Regs */
+	__be64 phbPblErrorStatus;		/* 1900 */
+	__be64 phbPblFirstErrorStatus;		/* 1908 */
+	__be64 phbPblErrorLog0;			/* 1940 */
+	__be64 phbPblErrorLog1;			/* 1948 */
+	__be64 phbPcieDlpErrorLog1;		/* 1AA0 */
+	__be64 phbPcieDlpErrorLog2;		/* 1AA8 */
+	__be64 phbPcieDlpErrorStatus;		/* 1AB0 */
+	__be64 phbRegbErrorStatus;		/* 1C00 */
+	__be64 phbRegbFirstErrorStatus;		/* 1C08 */
+	__be64 phbRegbErrorLog0;		/* 1C40 */
+	__be64 phbRegbErrorLog1;		/* 1C48 */
+
+	__be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
+	__be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
+};
+
+enum {
+	OPAL_REINIT_CPUS_HILE_BE	= (1 << 0),
+	OPAL_REINIT_CPUS_HILE_LE	= (1 << 1),
+
+	/* These two define the base MMU mode of the host on P9
+	 *
+	 * On P9 Nimbus DD2.0 and Cumlus (and later), KVM can still
+	 * create hash guests in "radix" mode with care (full core
+	 * switch only).
+	 */
+	OPAL_REINIT_CPUS_MMU_HASH	= (1 << 2),
+	OPAL_REINIT_CPUS_MMU_RADIX	= (1 << 3),
+
+	OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED = (1 << 4),
+};
+
+typedef struct oppanel_line {
+	__be64 line;
+	__be64 line_len;
+} oppanel_line_t;
+
+enum opal_prd_msg_type {
+	OPAL_PRD_MSG_TYPE_INIT = 0,	/* HBRT --> OPAL */
+	OPAL_PRD_MSG_TYPE_FINI,		/* HBRT/kernel --> OPAL */
+	OPAL_PRD_MSG_TYPE_ATTN,		/* HBRT <-- OPAL */
+	OPAL_PRD_MSG_TYPE_ATTN_ACK,	/* HBRT --> OPAL */
+	OPAL_PRD_MSG_TYPE_OCC_ERROR,	/* HBRT <-- OPAL */
+	OPAL_PRD_MSG_TYPE_OCC_RESET,	/* HBRT <-- OPAL */
+};
+
+struct opal_prd_msg_header {
+	uint8_t		type;
+	uint8_t		pad[1];
+	__be16		size;
+};
+
+struct opal_prd_msg;
+
+#define OCC_RESET                       0
+#define OCC_LOAD                        1
+#define OCC_THROTTLE                    2
+#define OCC_MAX_THROTTLE_STATUS         5
+
+struct opal_occ_msg {
+	__be64 type;
+	__be64 chip;
+	__be64 throttle_status;
+};
+
+/*
+ * SG entries
+ *
+ * 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;
+};
+
+/*
+ * Candidate image SG list.
+ *
+ * length = VER | length
+ */
+struct opal_sg_list {
+	__be64 length;
+	__be64 next;
+	struct opal_sg_entry entry[];
+};
+
+/*
+ * Dump region ID range usable by the OS
+ */
+#define OPAL_DUMP_REGION_HOST_START		0x80
+#define OPAL_DUMP_REGION_LOG_BUF		0x80
+#define OPAL_DUMP_REGION_HOST_END		0xFF
+
+/* CAPI modes for PHB */
+enum {
+	OPAL_PHB_CAPI_MODE_PCIE		= 0,
+	OPAL_PHB_CAPI_MODE_CAPI		= 1,
+	OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
+	OPAL_PHB_CAPI_MODE_SNOOP_ON	= 3,
+	OPAL_PHB_CAPI_MODE_DMA		= 4,
+	OPAL_PHB_CAPI_MODE_DMA_TVT1	= 5,
+};
+
+/* OPAL I2C request */
+struct opal_i2c_request {
+	uint8_t	type;
+#define OPAL_I2C_RAW_READ	0
+#define OPAL_I2C_RAW_WRITE	1
+#define OPAL_I2C_SM_READ	2
+#define OPAL_I2C_SM_WRITE	3
+	uint8_t flags;
+#define OPAL_I2C_ADDR_10	0x01	/* Not supported yet */
+	uint8_t	subaddr_sz;		/* Max 4 */
+	uint8_t reserved;
+	__be16 addr;			/* 7 or 10 bit address */
+	__be16 reserved2;
+	__be32 subaddr;		/* Sub-address if any */
+	__be32 size;			/* Data size */
+	__be64 buffer_ra;		/* Buffer real address */
+};
+
+/*
+ * EPOW status sharing (OPAL and the host)
+ *
+ * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
+ * with individual elements being 16 bits wide to fetch the system
+ * wide EPOW status. Each element in the buffer will contain the
+ * EPOW status in it's bit representation for a particular EPOW sub
+ * class as defined here. So multiple detailed EPOW status bits
+ * specific for any sub class can be represented in a single buffer
+ * element as it's bit representation.
+ */
+
+/* System EPOW type */
+enum OpalSysEpow {
+	OPAL_SYSEPOW_POWER	= 0,	/* Power EPOW */
+	OPAL_SYSEPOW_TEMP	= 1,	/* Temperature EPOW */
+	OPAL_SYSEPOW_COOLING	= 2,	/* Cooling EPOW */
+	OPAL_SYSEPOW_MAX	= 3,	/* Max EPOW categories */
+};
+
+/* Power EPOW */
+enum OpalSysPower {
+	OPAL_SYSPOWER_UPS	= 0x0001, /* System on UPS power */
+	OPAL_SYSPOWER_CHNG	= 0x0002, /* System power config change */
+	OPAL_SYSPOWER_FAIL	= 0x0004, /* System impending power failure */
+	OPAL_SYSPOWER_INCL	= 0x0008, /* System incomplete power */
+};
+
+/* Temperature EPOW */
+enum OpalSysTemp {
+	OPAL_SYSTEMP_AMB	= 0x0001, /* System over ambient temperature */
+	OPAL_SYSTEMP_INT	= 0x0002, /* System over internal temperature */
+	OPAL_SYSTEMP_HMD	= 0x0004, /* System over ambient humidity */
+};
+
+/* Cooling EPOW */
+enum OpalSysCooling {
+	OPAL_SYSCOOL_INSF	= 0x0001, /* System insufficient cooling */
+};
+
+/* Argument to OPAL_CEC_REBOOT2() */
+enum {
+	OPAL_REBOOT_NORMAL		= 0,
+	OPAL_REBOOT_PLATFORM_ERROR	= 1,
+	OPAL_REBOOT_FULL_IPL		= 2,
+	OPAL_REBOOT_MPIPL		= 3,
+	OPAL_REBOOT_FAST		= 4,
+};
+
+/* Argument to OPAL_PCI_TCE_KILL */
+enum {
+	OPAL_PCI_TCE_KILL_PAGES,
+	OPAL_PCI_TCE_KILL_PE,
+	OPAL_PCI_TCE_KILL_ALL,
+};
+
+/* The xive operation mode indicates the active "API" and
+ * corresponds to the "mode" parameter of the opal_xive_reset()
+ * call
+ */
+enum {
+	OPAL_XIVE_MODE_EMU	= 0,
+	OPAL_XIVE_MODE_EXPL	= 1,
+};
+
+/* Flags for OPAL_XIVE_GET_IRQ_INFO */
+enum {
+	OPAL_XIVE_IRQ_TRIGGER_PAGE	= 0x00000001,
+	OPAL_XIVE_IRQ_STORE_EOI		= 0x00000002,
+	OPAL_XIVE_IRQ_LSI		= 0x00000004,
+	OPAL_XIVE_IRQ_SHIFT_BUG		= 0x00000008, /* P9 DD1.0 workaround */
+	OPAL_XIVE_IRQ_MASK_VIA_FW	= 0x00000010, /* P9 DD1.0 workaround */
+	OPAL_XIVE_IRQ_EOI_VIA_FW	= 0x00000020, /* P9 DD1.0 workaround */
+	OPAL_XIVE_IRQ_STORE_EOI2	= 0x00000040,
+};
+
+/* Flags for OPAL_XIVE_GET/SET_QUEUE_INFO */
+enum {
+	OPAL_XIVE_EQ_ENABLED		= 0x00000001,
+	OPAL_XIVE_EQ_ALWAYS_NOTIFY	= 0x00000002,
+	OPAL_XIVE_EQ_ESCALATE		= 0x00000004,
+};
+
+/* Flags for OPAL_XIVE_GET/SET_VP_INFO */
+enum {
+	OPAL_XIVE_VP_ENABLED		= 0x00000001,
+	OPAL_XIVE_VP_SINGLE_ESCALATION	= 0x00000002,
+};
+
+/* "Any chip" replacement for chip ID for allocation functions */
+enum {
+	OPAL_XIVE_ANY_CHIP		= 0xffffffff,
+};
+
+/* Xive sync options */
+enum {
+	/* This bits are cumulative, arg is a girq */
+	XIVE_SYNC_EAS			= 0x00000001, /* Sync irq source */
+	XIVE_SYNC_QUEUE			= 0x00000002, /* Sync irq target */
+};
+
+/* Dump options */
+enum {
+	XIVE_DUMP_TM_HYP	= 0,
+	XIVE_DUMP_TM_POOL	= 1,
+	XIVE_DUMP_TM_OS		= 2,
+	XIVE_DUMP_TM_USER	= 3,
+	XIVE_DUMP_VP		= 4,
+	XIVE_DUMP_EMU_STATE	= 5,
+};
+
+/* "type" argument options for OPAL_IMC_COUNTERS_* calls */
+enum {
+	OPAL_IMC_COUNTERS_NEST = 1,
+	OPAL_IMC_COUNTERS_CORE = 2,
+	OPAL_IMC_COUNTERS_TRACE = 3,
+};
+
+
+/* PCI p2p descriptor */
+#define OPAL_PCI_P2P_ENABLE		0x1
+#define OPAL_PCI_P2P_LOAD		0x2
+#define OPAL_PCI_P2P_STORE		0x4
+
+/* MPIPL update operations */
+enum opal_mpipl_ops {
+	OPAL_MPIPL_ADD_RANGE			= 0,
+	OPAL_MPIPL_REMOVE_RANGE			= 1,
+	OPAL_MPIPL_REMOVE_ALL			= 2,
+	OPAL_MPIPL_FREE_PRESERVED_MEMORY	= 3,
+};
+
+/* Tag will point to various metadata area. Kernel will
+ * use tag to get metadata value.
+ */
+enum opal_mpipl_tags {
+	OPAL_MPIPL_TAG_CPU	= 0,
+	OPAL_MPIPL_TAG_OPAL	= 1,
+	OPAL_MPIPL_TAG_KERNEL	= 2,
+	OPAL_MPIPL_TAG_BOOT_MEM	= 3,
+};
+
+/* Preserved memory details */
+struct opal_mpipl_region {
+	__be64	src;
+	__be64	dest;
+	__be64	size;
+};
+
+/* Structure version */
+#define OPAL_MPIPL_VERSION		0x01
+
+struct opal_mpipl_fadump {
+	u8	version;
+	u8	reserved[7];
+	__be32	crashing_pir;	/* OPAL crashing CPU PIR */
+	__be32	cpu_data_version;
+	__be32	cpu_data_size;
+	__be32	region_cnt;
+	struct	opal_mpipl_region region[];
+} __packed;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __OPAL_API_H */
