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 */
1189