xref: /linux/arch/powerpc/include/asm/opal-api.h (revision bd79010fb3a9aa160e1780e2496798e3ac6e7ba5)
1 /*
2  * OPAL API definitions.
3  *
4  * Copyright 2011-2015 IBM Corp.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 
12 #ifndef __OPAL_API_H
13 #define __OPAL_API_H
14 
15 /****** OPAL APIs ******/
16 
17 /* Return codes */
18 #define OPAL_SUCCESS		0
19 #define OPAL_PARAMETER		-1
20 #define OPAL_BUSY		-2
21 #define OPAL_PARTIAL		-3
22 #define OPAL_CONSTRAINED	-4
23 #define OPAL_CLOSED		-5
24 #define OPAL_HARDWARE		-6
25 #define OPAL_UNSUPPORTED	-7
26 #define OPAL_PERMISSION		-8
27 #define OPAL_NO_MEM		-9
28 #define OPAL_RESOURCE		-10
29 #define OPAL_INTERNAL_ERROR	-11
30 #define OPAL_BUSY_EVENT		-12
31 #define OPAL_HARDWARE_FROZEN	-13
32 #define OPAL_WRONG_STATE	-14
33 #define OPAL_ASYNC_COMPLETION	-15
34 #define OPAL_EMPTY		-16
35 #define OPAL_I2C_TIMEOUT	-17
36 #define OPAL_I2C_INVALID_CMD	-18
37 #define OPAL_I2C_LBUS_PARITY	-19
38 #define OPAL_I2C_BKEND_OVERRUN	-20
39 #define OPAL_I2C_BKEND_ACCESS	-21
40 #define OPAL_I2C_ARBT_LOST	-22
41 #define OPAL_I2C_NACK_RCVD	-23
42 #define OPAL_I2C_STOP_ERR	-24
43 #define OPAL_XIVE_PROVISIONING	-31
44 #define OPAL_XIVE_FREE_ACTIVE	-32
45 #define OPAL_TIMEOUT		-33
46 
47 /* API Tokens (in r0) */
48 #define OPAL_INVALID_CALL		       -1
49 #define OPAL_TEST				0
50 #define OPAL_CONSOLE_WRITE			1
51 #define OPAL_CONSOLE_READ			2
52 #define OPAL_RTC_READ				3
53 #define OPAL_RTC_WRITE				4
54 #define OPAL_CEC_POWER_DOWN			5
55 #define OPAL_CEC_REBOOT				6
56 #define OPAL_READ_NVRAM				7
57 #define OPAL_WRITE_NVRAM			8
58 #define OPAL_HANDLE_INTERRUPT			9
59 #define OPAL_POLL_EVENTS			10
60 #define OPAL_PCI_SET_HUB_TCE_MEMORY		11
61 #define OPAL_PCI_SET_PHB_TCE_MEMORY		12
62 #define OPAL_PCI_CONFIG_READ_BYTE		13
63 #define OPAL_PCI_CONFIG_READ_HALF_WORD  	14
64 #define OPAL_PCI_CONFIG_READ_WORD		15
65 #define OPAL_PCI_CONFIG_WRITE_BYTE		16
66 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD		17
67 #define OPAL_PCI_CONFIG_WRITE_WORD		18
68 #define OPAL_SET_XIVE				19
69 #define OPAL_GET_XIVE				20
70 #define OPAL_GET_COMPLETION_TOKEN_STATUS	21 /* obsolete */
71 #define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER	22
72 #define OPAL_PCI_EEH_FREEZE_STATUS		23
73 #define OPAL_PCI_SHPC				24
74 #define OPAL_CONSOLE_WRITE_BUFFER_SPACE		25
75 #define OPAL_PCI_EEH_FREEZE_CLEAR		26
76 #define OPAL_PCI_PHB_MMIO_ENABLE		27
77 #define OPAL_PCI_SET_PHB_MEM_WINDOW		28
78 #define OPAL_PCI_MAP_PE_MMIO_WINDOW		29
79 #define OPAL_PCI_SET_PHB_TABLE_MEMORY		30
80 #define OPAL_PCI_SET_PE				31
81 #define OPAL_PCI_SET_PELTV			32
82 #define OPAL_PCI_SET_MVE			33
83 #define OPAL_PCI_SET_MVE_ENABLE			34
84 #define OPAL_PCI_GET_XIVE_REISSUE		35
85 #define OPAL_PCI_SET_XIVE_REISSUE		36
86 #define OPAL_PCI_SET_XIVE_PE			37
87 #define OPAL_GET_XIVE_SOURCE			38
88 #define OPAL_GET_MSI_32				39
89 #define OPAL_GET_MSI_64				40
90 #define OPAL_START_CPU				41
91 #define OPAL_QUERY_CPU_STATUS			42
92 #define OPAL_WRITE_OPPANEL			43 /* unimplemented */
93 #define OPAL_PCI_MAP_PE_DMA_WINDOW		44
94 #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL		45
95 #define OPAL_PCI_RESET				49
96 #define OPAL_PCI_GET_HUB_DIAG_DATA		50
97 #define OPAL_PCI_GET_PHB_DIAG_DATA		51
98 #define OPAL_PCI_FENCE_PHB			52
99 #define OPAL_PCI_REINIT				53
100 #define OPAL_PCI_MASK_PE_ERROR			54
101 #define OPAL_SET_SLOT_LED_STATUS		55
102 #define OPAL_GET_EPOW_STATUS			56
103 #define OPAL_SET_SYSTEM_ATTENTION_LED		57
104 #define OPAL_RESERVED1				58
105 #define OPAL_RESERVED2				59
106 #define OPAL_PCI_NEXT_ERROR			60
107 #define OPAL_PCI_EEH_FREEZE_STATUS2		61
108 #define OPAL_PCI_POLL				62
109 #define OPAL_PCI_MSI_EOI			63
110 #define OPAL_PCI_GET_PHB_DIAG_DATA2		64
111 #define OPAL_XSCOM_READ				65
112 #define OPAL_XSCOM_WRITE			66
113 #define OPAL_LPC_READ				67
114 #define OPAL_LPC_WRITE				68
115 #define OPAL_RETURN_CPU				69
116 #define OPAL_REINIT_CPUS			70
117 #define OPAL_ELOG_READ				71
118 #define OPAL_ELOG_WRITE				72
119 #define OPAL_ELOG_ACK				73
120 #define OPAL_ELOG_RESEND			74
121 #define OPAL_ELOG_SIZE				75
122 #define OPAL_FLASH_VALIDATE			76
123 #define OPAL_FLASH_MANAGE			77
124 #define OPAL_FLASH_UPDATE			78
125 #define OPAL_RESYNC_TIMEBASE			79
126 #define OPAL_CHECK_TOKEN			80
127 #define OPAL_DUMP_INIT				81
128 #define OPAL_DUMP_INFO				82
129 #define OPAL_DUMP_READ				83
130 #define OPAL_DUMP_ACK				84
131 #define OPAL_GET_MSG				85
132 #define OPAL_CHECK_ASYNC_COMPLETION		86
133 #define OPAL_SYNC_HOST_REBOOT			87
134 #define OPAL_SENSOR_READ			88
135 #define OPAL_GET_PARAM				89
136 #define OPAL_SET_PARAM				90
137 #define OPAL_DUMP_RESEND			91
138 #define OPAL_ELOG_SEND				92	/* Deprecated */
139 #define OPAL_PCI_SET_PHB_CAPI_MODE		93
140 #define OPAL_DUMP_INFO2				94
141 #define OPAL_WRITE_OPPANEL_ASYNC		95
142 #define OPAL_PCI_ERR_INJECT			96
143 #define OPAL_PCI_EEH_FREEZE_SET			97
144 #define OPAL_HANDLE_HMI				98
145 #define OPAL_CONFIG_CPU_IDLE_STATE		99
146 #define OPAL_SLW_SET_REG			100
147 #define OPAL_REGISTER_DUMP_REGION		101
148 #define OPAL_UNREGISTER_DUMP_REGION		102
149 #define OPAL_WRITE_TPO				103
150 #define OPAL_READ_TPO				104
151 #define OPAL_GET_DPO_STATUS			105
152 #define OPAL_OLD_I2C_REQUEST			106	/* Deprecated */
153 #define OPAL_IPMI_SEND				107
154 #define OPAL_IPMI_RECV				108
155 #define OPAL_I2C_REQUEST			109
156 #define OPAL_FLASH_READ				110
157 #define OPAL_FLASH_WRITE			111
158 #define OPAL_FLASH_ERASE			112
159 #define OPAL_PRD_MSG				113
160 #define OPAL_LEDS_GET_INDICATOR			114
161 #define OPAL_LEDS_SET_INDICATOR			115
162 #define OPAL_CEC_REBOOT2			116
163 #define OPAL_CONSOLE_FLUSH			117
164 #define OPAL_GET_DEVICE_TREE			118
165 #define OPAL_PCI_GET_PRESENCE_STATE		119
166 #define OPAL_PCI_GET_POWER_STATE		120
167 #define OPAL_PCI_SET_POWER_STATE		121
168 #define OPAL_INT_GET_XIRR			122
169 #define	OPAL_INT_SET_CPPR			123
170 #define OPAL_INT_EOI				124
171 #define OPAL_INT_SET_MFRR			125
172 #define OPAL_PCI_TCE_KILL			126
173 #define OPAL_NMMU_SET_PTCR			127
174 #define OPAL_XIVE_RESET				128
175 #define OPAL_XIVE_GET_IRQ_INFO			129
176 #define OPAL_XIVE_GET_IRQ_CONFIG		130
177 #define OPAL_XIVE_SET_IRQ_CONFIG		131
178 #define OPAL_XIVE_GET_QUEUE_INFO		132
179 #define OPAL_XIVE_SET_QUEUE_INFO		133
180 #define OPAL_XIVE_DONATE_PAGE			134
181 #define OPAL_XIVE_ALLOCATE_VP_BLOCK		135
182 #define OPAL_XIVE_FREE_VP_BLOCK			136
183 #define OPAL_XIVE_GET_VP_INFO			137
184 #define OPAL_XIVE_SET_VP_INFO			138
185 #define OPAL_XIVE_ALLOCATE_IRQ			139
186 #define OPAL_XIVE_FREE_IRQ			140
187 #define OPAL_XIVE_SYNC				141
188 #define OPAL_XIVE_DUMP				142
189 #define OPAL_XIVE_RESERVED3			143
190 #define OPAL_XIVE_RESERVED4			144
191 #define OPAL_SIGNAL_SYSTEM_RESET		145
192 #define OPAL_NPU_INIT_CONTEXT			146
193 #define OPAL_NPU_DESTROY_CONTEXT		147
194 #define OPAL_NPU_MAP_LPAR			148
195 #define OPAL_IMC_COUNTERS_INIT			149
196 #define OPAL_IMC_COUNTERS_START			150
197 #define OPAL_IMC_COUNTERS_STOP			151
198 #define OPAL_GET_POWERCAP			152
199 #define OPAL_SET_POWERCAP			153
200 #define OPAL_GET_POWER_SHIFT_RATIO		154
201 #define OPAL_SET_POWER_SHIFT_RATIO		155
202 #define OPAL_SENSOR_GROUP_CLEAR			156
203 #define OPAL_PCI_SET_P2P			157
204 #define OPAL_NPU_SPA_SETUP			159
205 #define OPAL_NPU_SPA_CLEAR_CACHE		160
206 #define OPAL_NPU_TL_SET				161
207 #define OPAL_SENSOR_READ_U64			162
208 #define OPAL_PCI_GET_PBCQ_TUNNEL_BAR		164
209 #define OPAL_PCI_SET_PBCQ_TUNNEL_BAR		165
210 #define OPAL_LAST				165
211 
212 /* Device tree flags */
213 
214 /*
215  * Flags set in power-mgmt nodes in device tree describing
216  * idle states that are supported in the platform.
217  */
218 
219 #define OPAL_PM_TIMEBASE_STOP		0x00000002
220 #define OPAL_PM_LOSE_HYP_CONTEXT	0x00002000
221 #define OPAL_PM_LOSE_FULL_CONTEXT	0x00004000
222 #define OPAL_PM_NAP_ENABLED		0x00010000
223 #define OPAL_PM_SLEEP_ENABLED		0x00020000
224 #define OPAL_PM_WINKLE_ENABLED		0x00040000
225 #define OPAL_PM_SLEEP_ENABLED_ER1	0x00080000 /* with workaround */
226 #define OPAL_PM_STOP_INST_FAST		0x00100000
227 #define OPAL_PM_STOP_INST_DEEP		0x00200000
228 
229 /*
230  * OPAL_CONFIG_CPU_IDLE_STATE parameters
231  */
232 #define OPAL_CONFIG_IDLE_FASTSLEEP	1
233 #define OPAL_CONFIG_IDLE_UNDO		0
234 #define OPAL_CONFIG_IDLE_APPLY		1
235 
236 #ifndef __ASSEMBLY__
237 
238 /* Other enums */
239 enum OpalFreezeState {
240 	OPAL_EEH_STOPPED_NOT_FROZEN = 0,
241 	OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
242 	OPAL_EEH_STOPPED_DMA_FREEZE = 2,
243 	OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
244 	OPAL_EEH_STOPPED_RESET = 4,
245 	OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
246 	OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
247 };
248 
249 enum OpalEehFreezeActionToken {
250 	OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
251 	OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
252 	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
253 
254 	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
255 	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
256 	OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
257 };
258 
259 enum OpalPciStatusToken {
260 	OPAL_EEH_NO_ERROR	= 0,
261 	OPAL_EEH_IOC_ERROR	= 1,
262 	OPAL_EEH_PHB_ERROR	= 2,
263 	OPAL_EEH_PE_ERROR	= 3,
264 	OPAL_EEH_PE_MMIO_ERROR	= 4,
265 	OPAL_EEH_PE_DMA_ERROR	= 5
266 };
267 
268 enum OpalPciErrorSeverity {
269 	OPAL_EEH_SEV_NO_ERROR	= 0,
270 	OPAL_EEH_SEV_IOC_DEAD	= 1,
271 	OPAL_EEH_SEV_PHB_DEAD	= 2,
272 	OPAL_EEH_SEV_PHB_FENCED	= 3,
273 	OPAL_EEH_SEV_PE_ER	= 4,
274 	OPAL_EEH_SEV_INF	= 5
275 };
276 
277 enum OpalErrinjectType {
278 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR	= 0,
279 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64	= 1,
280 };
281 
282 enum OpalErrinjectFunc {
283 	/* IOA bus specific errors */
284 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR	= 0,
285 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA	= 1,
286 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR	= 2,
287 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA	= 3,
288 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR	= 4,
289 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA	= 5,
290 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR	= 6,
291 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA	= 7,
292 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR	= 8,
293 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA	= 9,
294 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR	= 10,
295 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA	= 11,
296 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR	= 12,
297 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA	= 13,
298 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER	= 14,
299 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET	= 15,
300 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR	= 16,
301 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA	= 17,
302 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER	= 18,
303 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET	= 19,
304 };
305 
306 enum OpalMmioWindowType {
307 	OPAL_M32_WINDOW_TYPE = 1,
308 	OPAL_M64_WINDOW_TYPE = 2,
309 	OPAL_IO_WINDOW_TYPE  = 3
310 };
311 
312 enum OpalExceptionHandler {
313 	OPAL_MACHINE_CHECK_HANDLER	    = 1,
314 	OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
315 	OPAL_SOFTPATCH_HANDLER		    = 3
316 };
317 
318 enum OpalPendingState {
319 	OPAL_EVENT_OPAL_INTERNAL   = 0x1,
320 	OPAL_EVENT_NVRAM	   = 0x2,
321 	OPAL_EVENT_RTC		   = 0x4,
322 	OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
323 	OPAL_EVENT_CONSOLE_INPUT   = 0x10,
324 	OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
325 	OPAL_EVENT_ERROR_LOG	   = 0x40,
326 	OPAL_EVENT_EPOW		   = 0x80,
327 	OPAL_EVENT_LED_STATUS	   = 0x100,
328 	OPAL_EVENT_PCI_ERROR	   = 0x200,
329 	OPAL_EVENT_DUMP_AVAIL	   = 0x400,
330 	OPAL_EVENT_MSG_PENDING	   = 0x800,
331 };
332 
333 enum OpalThreadStatus {
334 	OPAL_THREAD_INACTIVE = 0x0,
335 	OPAL_THREAD_STARTED = 0x1,
336 	OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
337 };
338 
339 enum OpalPciBusCompare {
340 	OpalPciBusAny	= 0,	/* Any bus number match */
341 	OpalPciBus3Bits	= 2,	/* Match top 3 bits of bus number */
342 	OpalPciBus4Bits	= 3,	/* Match top 4 bits of bus number */
343 	OpalPciBus5Bits	= 4,	/* Match top 5 bits of bus number */
344 	OpalPciBus6Bits	= 5,	/* Match top 6 bits of bus number */
345 	OpalPciBus7Bits	= 6,	/* Match top 7 bits of bus number */
346 	OpalPciBusAll	= 7,	/* Match bus number exactly */
347 };
348 
349 enum OpalDeviceCompare {
350 	OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
351 	OPAL_COMPARE_RID_DEVICE_NUMBER = 1
352 };
353 
354 enum OpalFuncCompare {
355 	OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
356 	OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
357 };
358 
359 enum OpalPeAction {
360 	OPAL_UNMAP_PE = 0,
361 	OPAL_MAP_PE = 1
362 };
363 
364 enum OpalPeltvAction {
365 	OPAL_REMOVE_PE_FROM_DOMAIN = 0,
366 	OPAL_ADD_PE_TO_DOMAIN = 1
367 };
368 
369 enum OpalMveEnableAction {
370 	OPAL_DISABLE_MVE = 0,
371 	OPAL_ENABLE_MVE = 1
372 };
373 
374 enum OpalM64Action {
375 	OPAL_DISABLE_M64 = 0,
376 	OPAL_ENABLE_M64_SPLIT = 1,
377 	OPAL_ENABLE_M64_NON_SPLIT = 2
378 };
379 
380 enum OpalPciResetScope {
381 	OPAL_RESET_PHB_COMPLETE		= 1,
382 	OPAL_RESET_PCI_LINK		= 2,
383 	OPAL_RESET_PHB_ERROR		= 3,
384 	OPAL_RESET_PCI_HOT		= 4,
385 	OPAL_RESET_PCI_FUNDAMENTAL	= 5,
386 	OPAL_RESET_PCI_IODA_TABLE	= 6
387 };
388 
389 enum OpalPciReinitScope {
390 	/*
391 	 * Note: we chose values that do not overlap
392 	 * OpalPciResetScope as OPAL v2 used the same
393 	 * enum for both
394 	 */
395 	OPAL_REINIT_PCI_DEV = 1000
396 };
397 
398 enum OpalPciResetState {
399 	OPAL_DEASSERT_RESET = 0,
400 	OPAL_ASSERT_RESET   = 1
401 };
402 
403 enum OpalPciSlotPresence {
404 	OPAL_PCI_SLOT_EMPTY	= 0,
405 	OPAL_PCI_SLOT_PRESENT	= 1
406 };
407 
408 enum OpalPciSlotPower {
409 	OPAL_PCI_SLOT_POWER_OFF	= 0,
410 	OPAL_PCI_SLOT_POWER_ON	= 1,
411 	OPAL_PCI_SLOT_OFFLINE	= 2,
412 	OPAL_PCI_SLOT_ONLINE	= 3
413 };
414 
415 enum OpalSlotLedType {
416 	OPAL_SLOT_LED_TYPE_ID = 0,	/* IDENTIFY LED */
417 	OPAL_SLOT_LED_TYPE_FAULT = 1,	/* FAULT LED */
418 	OPAL_SLOT_LED_TYPE_ATTN = 2,	/* System Attention LED */
419 	OPAL_SLOT_LED_TYPE_MAX = 3
420 };
421 
422 enum OpalSlotLedState {
423 	OPAL_SLOT_LED_STATE_OFF = 0,	/* LED is OFF */
424 	OPAL_SLOT_LED_STATE_ON = 1	/* LED is ON */
425 };
426 
427 /*
428  * Address cycle types for LPC accesses. These also correspond
429  * to the content of the first cell of the "reg" property for
430  * device nodes on the LPC bus
431  */
432 enum OpalLPCAddressType {
433 	OPAL_LPC_MEM	= 0,
434 	OPAL_LPC_IO	= 1,
435 	OPAL_LPC_FW	= 2,
436 };
437 
438 enum opal_msg_type {
439 	OPAL_MSG_ASYNC_COMP	= 0,	/* params[0] = token, params[1] = rc,
440 					 * additional params function-specific
441 					 */
442 	OPAL_MSG_MEM_ERR	= 1,
443 	OPAL_MSG_EPOW		= 2,
444 	OPAL_MSG_SHUTDOWN	= 3,	/* params[0] = 1 reboot, 0 shutdown */
445 	OPAL_MSG_HMI_EVT	= 4,
446 	OPAL_MSG_DPO		= 5,
447 	OPAL_MSG_PRD		= 6,
448 	OPAL_MSG_OCC		= 7,
449 	OPAL_MSG_TYPE_MAX,
450 };
451 
452 struct opal_msg {
453 	__be32 msg_type;
454 	__be32 reserved;
455 	__be64 params[8];
456 };
457 
458 /* System parameter permission */
459 enum OpalSysparamPerm {
460 	OPAL_SYSPARAM_READ  = 0x1,
461 	OPAL_SYSPARAM_WRITE = 0x2,
462 	OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
463 };
464 
465 enum {
466 	OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
467 };
468 
469 struct opal_ipmi_msg {
470 	uint8_t version;
471 	uint8_t netfn;
472 	uint8_t cmd;
473 	uint8_t data[];
474 };
475 
476 /* FSP memory errors handling */
477 enum OpalMemErr_Version {
478 	OpalMemErr_V1 = 1,
479 };
480 
481 enum OpalMemErrType {
482 	OPAL_MEM_ERR_TYPE_RESILIENCE	= 0,
483 	OPAL_MEM_ERR_TYPE_DYN_DALLOC,
484 };
485 
486 /* Memory Reilience error type */
487 enum OpalMemErr_ResilErrType {
488 	OPAL_MEM_RESILIENCE_CE		= 0,
489 	OPAL_MEM_RESILIENCE_UE,
490 	OPAL_MEM_RESILIENCE_UE_SCRUB,
491 };
492 
493 /* Dynamic Memory Deallocation type */
494 enum OpalMemErr_DynErrType {
495 	OPAL_MEM_DYNAMIC_DEALLOC	= 0,
496 };
497 
498 struct OpalMemoryErrorData {
499 	enum OpalMemErr_Version	version:8;	/* 0x00 */
500 	enum OpalMemErrType	type:8;		/* 0x01 */
501 	__be16			flags;		/* 0x02 */
502 	uint8_t			reserved_1[4];	/* 0x04 */
503 
504 	union {
505 		/* Memory Resilience corrected/uncorrected error info */
506 		struct {
507 			enum OpalMemErr_ResilErrType	resil_err_type:8;
508 			uint8_t				reserved_1[7];
509 			__be64				physical_address_start;
510 			__be64				physical_address_end;
511 		} resilience;
512 		/* Dynamic memory deallocation error info */
513 		struct {
514 			enum OpalMemErr_DynErrType	dyn_err_type:8;
515 			uint8_t				reserved_1[7];
516 			__be64				physical_address_start;
517 			__be64				physical_address_end;
518 		} dyn_dealloc;
519 	} u;
520 };
521 
522 /* HMI interrupt event */
523 enum OpalHMI_Version {
524 	OpalHMIEvt_V1 = 1,
525 	OpalHMIEvt_V2 = 2,
526 };
527 
528 enum OpalHMI_Severity {
529 	OpalHMI_SEV_NO_ERROR = 0,
530 	OpalHMI_SEV_WARNING = 1,
531 	OpalHMI_SEV_ERROR_SYNC = 2,
532 	OpalHMI_SEV_FATAL = 3,
533 };
534 
535 enum OpalHMI_Disposition {
536 	OpalHMI_DISPOSITION_RECOVERED = 0,
537 	OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
538 };
539 
540 enum OpalHMI_ErrType {
541 	OpalHMI_ERROR_MALFUNC_ALERT	= 0,
542 	OpalHMI_ERROR_PROC_RECOV_DONE,
543 	OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
544 	OpalHMI_ERROR_PROC_RECOV_MASKED,
545 	OpalHMI_ERROR_TFAC,
546 	OpalHMI_ERROR_TFMR_PARITY,
547 	OpalHMI_ERROR_HA_OVERFLOW_WARN,
548 	OpalHMI_ERROR_XSCOM_FAIL,
549 	OpalHMI_ERROR_XSCOM_DONE,
550 	OpalHMI_ERROR_SCOM_FIR,
551 	OpalHMI_ERROR_DEBUG_TRIG_FIR,
552 	OpalHMI_ERROR_HYP_RESOURCE,
553 	OpalHMI_ERROR_CAPP_RECOVERY,
554 };
555 
556 enum OpalHMI_XstopType {
557 	CHECKSTOP_TYPE_UNKNOWN	=	0,
558 	CHECKSTOP_TYPE_CORE	=	1,
559 	CHECKSTOP_TYPE_NX	=	2,
560 };
561 
562 enum OpalHMI_CoreXstopReason {
563 	CORE_CHECKSTOP_IFU_REGFILE		= 0x00000001,
564 	CORE_CHECKSTOP_IFU_LOGIC		= 0x00000002,
565 	CORE_CHECKSTOP_PC_DURING_RECOV		= 0x00000004,
566 	CORE_CHECKSTOP_ISU_REGFILE		= 0x00000008,
567 	CORE_CHECKSTOP_ISU_LOGIC		= 0x00000010,
568 	CORE_CHECKSTOP_FXU_LOGIC		= 0x00000020,
569 	CORE_CHECKSTOP_VSU_LOGIC		= 0x00000040,
570 	CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE	= 0x00000080,
571 	CORE_CHECKSTOP_LSU_REGFILE		= 0x00000100,
572 	CORE_CHECKSTOP_PC_FWD_PROGRESS		= 0x00000200,
573 	CORE_CHECKSTOP_LSU_LOGIC		= 0x00000400,
574 	CORE_CHECKSTOP_PC_LOGIC			= 0x00000800,
575 	CORE_CHECKSTOP_PC_HYP_RESOURCE		= 0x00001000,
576 	CORE_CHECKSTOP_PC_HANG_RECOV_FAILED	= 0x00002000,
577 	CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED	= 0x00004000,
578 	CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ	= 0x00008000,
579 	CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ	= 0x00010000,
580 };
581 
582 enum OpalHMI_NestAccelXstopReason {
583 	NX_CHECKSTOP_SHM_INVAL_STATE_ERR	= 0x00000001,
584 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1	= 0x00000002,
585 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2	= 0x00000004,
586 	NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR	= 0x00000008,
587 	NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR	= 0x00000010,
588 	NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR	= 0x00000020,
589 	NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR	= 0x00000040,
590 	NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR	= 0x00000080,
591 	NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR	= 0x00000100,
592 	NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR	= 0x00000200,
593 	NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR	= 0x00000400,
594 	NX_CHECKSTOP_DMA_CRB_UE			= 0x00000800,
595 	NX_CHECKSTOP_DMA_CRB_SUE		= 0x00001000,
596 	NX_CHECKSTOP_PBI_ISN_UE			= 0x00002000,
597 };
598 
599 struct OpalHMIEvent {
600 	uint8_t		version;	/* 0x00 */
601 	uint8_t		severity;	/* 0x01 */
602 	uint8_t		type;		/* 0x02 */
603 	uint8_t		disposition;	/* 0x03 */
604 	uint8_t		reserved_1[4];	/* 0x04 */
605 
606 	__be64		hmer;
607 	/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
608 	__be64		tfmr;
609 
610 	/* version 2 and later */
611 	union {
612 		/*
613 		 * checkstop info (Core/NX).
614 		 * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
615 		 */
616 		struct {
617 			uint8_t	xstop_type;	/* enum OpalHMI_XstopType */
618 			uint8_t reserved_1[3];
619 			__be32  xstop_reason;
620 			union {
621 				__be32 pir;	/* for CHECKSTOP_TYPE_CORE */
622 				__be32 chip_id;	/* for CHECKSTOP_TYPE_NX */
623 			} u;
624 		} xstop_error;
625 	} u;
626 };
627 
628 enum {
629 	OPAL_P7IOC_DIAG_TYPE_NONE	= 0,
630 	OPAL_P7IOC_DIAG_TYPE_RGC	= 1,
631 	OPAL_P7IOC_DIAG_TYPE_BI		= 2,
632 	OPAL_P7IOC_DIAG_TYPE_CI		= 3,
633 	OPAL_P7IOC_DIAG_TYPE_MISC	= 4,
634 	OPAL_P7IOC_DIAG_TYPE_I2C	= 5,
635 	OPAL_P7IOC_DIAG_TYPE_LAST	= 6
636 };
637 
638 struct OpalIoP7IOCErrorData {
639 	__be16 type;
640 
641 	/* GEM */
642 	__be64 gemXfir;
643 	__be64 gemRfir;
644 	__be64 gemRirqfir;
645 	__be64 gemMask;
646 	__be64 gemRwof;
647 
648 	/* LEM */
649 	__be64 lemFir;
650 	__be64 lemErrMask;
651 	__be64 lemAction0;
652 	__be64 lemAction1;
653 	__be64 lemWof;
654 
655 	union {
656 		struct OpalIoP7IOCRgcErrorData {
657 			__be64 rgcStatus;	/* 3E1C10 */
658 			__be64 rgcLdcp;		/* 3E1C18 */
659 		}rgc;
660 		struct OpalIoP7IOCBiErrorData {
661 			__be64 biLdcp0;		/* 3C0100, 3C0118 */
662 			__be64 biLdcp1;		/* 3C0108, 3C0120 */
663 			__be64 biLdcp2;		/* 3C0110, 3C0128 */
664 			__be64 biFenceStatus;	/* 3C0130, 3C0130 */
665 
666 			uint8_t biDownbound;	/* BI Downbound or Upbound */
667 		}bi;
668 		struct OpalIoP7IOCCiErrorData {
669 			__be64 ciPortStatus;	/* 3Dn008 */
670 			__be64 ciPortLdcp;	/* 3Dn010 */
671 
672 			uint8_t ciPort;		/* Index of CI port: 0/1 */
673 		}ci;
674 	};
675 };
676 
677 /**
678  * This structure defines the overlay which will be used to store PHB error
679  * data upon request.
680  */
681 enum {
682 	OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
683 };
684 
685 enum {
686 	OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
687 	OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2,
688 	OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
689 };
690 
691 enum {
692 	OPAL_P7IOC_NUM_PEST_REGS = 128,
693 	OPAL_PHB3_NUM_PEST_REGS = 256,
694 	OPAL_PHB4_NUM_PEST_REGS = 512
695 };
696 
697 struct OpalIoPhbErrorCommon {
698 	__be32 version;
699 	__be32 ioType;
700 	__be32 len;
701 };
702 
703 struct OpalIoP7IOCPhbErrorData {
704 	struct OpalIoPhbErrorCommon common;
705 
706 	__be32 brdgCtl;
707 
708 	// P7IOC utl regs
709 	__be32 portStatusReg;
710 	__be32 rootCmplxStatus;
711 	__be32 busAgentStatus;
712 
713 	// P7IOC cfg regs
714 	__be32 deviceStatus;
715 	__be32 slotStatus;
716 	__be32 linkStatus;
717 	__be32 devCmdStatus;
718 	__be32 devSecStatus;
719 
720 	// cfg AER regs
721 	__be32 rootErrorStatus;
722 	__be32 uncorrErrorStatus;
723 	__be32 corrErrorStatus;
724 	__be32 tlpHdr1;
725 	__be32 tlpHdr2;
726 	__be32 tlpHdr3;
727 	__be32 tlpHdr4;
728 	__be32 sourceId;
729 
730 	__be32 rsv3;
731 
732 	// Record data about the call to allocate a buffer.
733 	__be64 errorClass;
734 	__be64 correlator;
735 
736 	//P7IOC MMIO Error Regs
737 	__be64 p7iocPlssr;                // n120
738 	__be64 p7iocCsr;                  // n110
739 	__be64 lemFir;                    // nC00
740 	__be64 lemErrorMask;              // nC18
741 	__be64 lemWOF;                    // nC40
742 	__be64 phbErrorStatus;            // nC80
743 	__be64 phbFirstErrorStatus;       // nC88
744 	__be64 phbErrorLog0;              // nCC0
745 	__be64 phbErrorLog1;              // nCC8
746 	__be64 mmioErrorStatus;           // nD00
747 	__be64 mmioFirstErrorStatus;      // nD08
748 	__be64 mmioErrorLog0;             // nD40
749 	__be64 mmioErrorLog1;             // nD48
750 	__be64 dma0ErrorStatus;           // nD80
751 	__be64 dma0FirstErrorStatus;      // nD88
752 	__be64 dma0ErrorLog0;             // nDC0
753 	__be64 dma0ErrorLog1;             // nDC8
754 	__be64 dma1ErrorStatus;           // nE00
755 	__be64 dma1FirstErrorStatus;      // nE08
756 	__be64 dma1ErrorLog0;             // nE40
757 	__be64 dma1ErrorLog1;             // nE48
758 	__be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
759 	__be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
760 };
761 
762 struct OpalIoPhb3ErrorData {
763 	struct OpalIoPhbErrorCommon common;
764 
765 	__be32 brdgCtl;
766 
767 	/* PHB3 UTL regs */
768 	__be32 portStatusReg;
769 	__be32 rootCmplxStatus;
770 	__be32 busAgentStatus;
771 
772 	/* PHB3 cfg regs */
773 	__be32 deviceStatus;
774 	__be32 slotStatus;
775 	__be32 linkStatus;
776 	__be32 devCmdStatus;
777 	__be32 devSecStatus;
778 
779 	/* cfg AER regs */
780 	__be32 rootErrorStatus;
781 	__be32 uncorrErrorStatus;
782 	__be32 corrErrorStatus;
783 	__be32 tlpHdr1;
784 	__be32 tlpHdr2;
785 	__be32 tlpHdr3;
786 	__be32 tlpHdr4;
787 	__be32 sourceId;
788 
789 	__be32 rsv3;
790 
791 	/* Record data about the call to allocate a buffer */
792 	__be64 errorClass;
793 	__be64 correlator;
794 
795 	/* PHB3 MMIO Error Regs */
796 	__be64 nFir;			/* 000 */
797 	__be64 nFirMask;		/* 003 */
798 	__be64 nFirWOF;		/* 008 */
799 	__be64 phbPlssr;		/* 120 */
800 	__be64 phbCsr;		/* 110 */
801 	__be64 lemFir;		/* C00 */
802 	__be64 lemErrorMask;		/* C18 */
803 	__be64 lemWOF;		/* C40 */
804 	__be64 phbErrorStatus;	/* C80 */
805 	__be64 phbFirstErrorStatus;	/* C88 */
806 	__be64 phbErrorLog0;		/* CC0 */
807 	__be64 phbErrorLog1;		/* CC8 */
808 	__be64 mmioErrorStatus;	/* D00 */
809 	__be64 mmioFirstErrorStatus;	/* D08 */
810 	__be64 mmioErrorLog0;		/* D40 */
811 	__be64 mmioErrorLog1;		/* D48 */
812 	__be64 dma0ErrorStatus;	/* D80 */
813 	__be64 dma0FirstErrorStatus;	/* D88 */
814 	__be64 dma0ErrorLog0;		/* DC0 */
815 	__be64 dma0ErrorLog1;		/* DC8 */
816 	__be64 dma1ErrorStatus;	/* E00 */
817 	__be64 dma1FirstErrorStatus;	/* E08 */
818 	__be64 dma1ErrorLog0;		/* E40 */
819 	__be64 dma1ErrorLog1;		/* E48 */
820 	__be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
821 	__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
822 };
823 
824 struct OpalIoPhb4ErrorData {
825 	struct OpalIoPhbErrorCommon common;
826 
827 	__be32 brdgCtl;
828 
829 	/* PHB4 cfg regs */
830 	__be32 deviceStatus;
831 	__be32 slotStatus;
832 	__be32 linkStatus;
833 	__be32 devCmdStatus;
834 	__be32 devSecStatus;
835 
836 	/* cfg AER regs */
837 	__be32 rootErrorStatus;
838 	__be32 uncorrErrorStatus;
839 	__be32 corrErrorStatus;
840 	__be32 tlpHdr1;
841 	__be32 tlpHdr2;
842 	__be32 tlpHdr3;
843 	__be32 tlpHdr4;
844 	__be32 sourceId;
845 
846 	/* PHB4 ETU Error Regs */
847 	__be64 nFir;				/* 000 */
848 	__be64 nFirMask;			/* 003 */
849 	__be64 nFirWOF;				/* 008 */
850 	__be64 phbPlssr;			/* 120 */
851 	__be64 phbCsr;				/* 110 */
852 	__be64 lemFir;				/* C00 */
853 	__be64 lemErrorMask;			/* C18 */
854 	__be64 lemWOF;				/* C40 */
855 	__be64 phbErrorStatus;			/* C80 */
856 	__be64 phbFirstErrorStatus;		/* C88 */
857 	__be64 phbErrorLog0;			/* CC0 */
858 	__be64 phbErrorLog1;			/* CC8 */
859 	__be64 phbTxeErrorStatus;		/* D00 */
860 	__be64 phbTxeFirstErrorStatus;		/* D08 */
861 	__be64 phbTxeErrorLog0;			/* D40 */
862 	__be64 phbTxeErrorLog1;			/* D48 */
863 	__be64 phbRxeArbErrorStatus;		/* D80 */
864 	__be64 phbRxeArbFirstErrorStatus;	/* D88 */
865 	__be64 phbRxeArbErrorLog0;		/* DC0 */
866 	__be64 phbRxeArbErrorLog1;		/* DC8 */
867 	__be64 phbRxeMrgErrorStatus;		/* E00 */
868 	__be64 phbRxeMrgFirstErrorStatus;	/* E08 */
869 	__be64 phbRxeMrgErrorLog0;		/* E40 */
870 	__be64 phbRxeMrgErrorLog1;		/* E48 */
871 	__be64 phbRxeTceErrorStatus;		/* E80 */
872 	__be64 phbRxeTceFirstErrorStatus;	/* E88 */
873 	__be64 phbRxeTceErrorLog0;		/* EC0 */
874 	__be64 phbRxeTceErrorLog1;		/* EC8 */
875 
876 	/* PHB4 REGB Error Regs */
877 	__be64 phbPblErrorStatus;		/* 1900 */
878 	__be64 phbPblFirstErrorStatus;		/* 1908 */
879 	__be64 phbPblErrorLog0;			/* 1940 */
880 	__be64 phbPblErrorLog1;			/* 1948 */
881 	__be64 phbPcieDlpErrorLog1;		/* 1AA0 */
882 	__be64 phbPcieDlpErrorLog2;		/* 1AA8 */
883 	__be64 phbPcieDlpErrorStatus;		/* 1AB0 */
884 	__be64 phbRegbErrorStatus;		/* 1C00 */
885 	__be64 phbRegbFirstErrorStatus;		/* 1C08 */
886 	__be64 phbRegbErrorLog0;		/* 1C40 */
887 	__be64 phbRegbErrorLog1;		/* 1C48 */
888 
889 	__be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
890 	__be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
891 };
892 
893 enum {
894 	OPAL_REINIT_CPUS_HILE_BE	= (1 << 0),
895 	OPAL_REINIT_CPUS_HILE_LE	= (1 << 1),
896 
897 	/* These two define the base MMU mode of the host on P9
898 	 *
899 	 * On P9 Nimbus DD2.0 and Cumlus (and later), KVM can still
900 	 * create hash guests in "radix" mode with care (full core
901 	 * switch only).
902 	 */
903 	OPAL_REINIT_CPUS_MMU_HASH	= (1 << 2),
904 	OPAL_REINIT_CPUS_MMU_RADIX	= (1 << 3),
905 
906 	OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED = (1 << 4),
907 };
908 
909 typedef struct oppanel_line {
910 	__be64 line;
911 	__be64 line_len;
912 } oppanel_line_t;
913 
914 enum opal_prd_msg_type {
915 	OPAL_PRD_MSG_TYPE_INIT = 0,	/* HBRT --> OPAL */
916 	OPAL_PRD_MSG_TYPE_FINI,		/* HBRT/kernel --> OPAL */
917 	OPAL_PRD_MSG_TYPE_ATTN,		/* HBRT <-- OPAL */
918 	OPAL_PRD_MSG_TYPE_ATTN_ACK,	/* HBRT --> OPAL */
919 	OPAL_PRD_MSG_TYPE_OCC_ERROR,	/* HBRT <-- OPAL */
920 	OPAL_PRD_MSG_TYPE_OCC_RESET,	/* HBRT <-- OPAL */
921 };
922 
923 struct opal_prd_msg_header {
924 	uint8_t		type;
925 	uint8_t		pad[1];
926 	__be16		size;
927 };
928 
929 struct opal_prd_msg;
930 
931 #define OCC_RESET                       0
932 #define OCC_LOAD                        1
933 #define OCC_THROTTLE                    2
934 #define OCC_MAX_THROTTLE_STATUS         5
935 
936 struct opal_occ_msg {
937 	__be64 type;
938 	__be64 chip;
939 	__be64 throttle_status;
940 };
941 
942 /*
943  * SG entries
944  *
945  * WARNING: The current implementation requires each entry
946  * to represent a block that is 4k aligned *and* each block
947  * size except the last one in the list to be as well.
948  */
949 struct opal_sg_entry {
950 	__be64 data;
951 	__be64 length;
952 };
953 
954 /*
955  * Candidate image SG list.
956  *
957  * length = VER | length
958  */
959 struct opal_sg_list {
960 	__be64 length;
961 	__be64 next;
962 	struct opal_sg_entry entry[];
963 };
964 
965 /*
966  * Dump region ID range usable by the OS
967  */
968 #define OPAL_DUMP_REGION_HOST_START		0x80
969 #define OPAL_DUMP_REGION_LOG_BUF		0x80
970 #define OPAL_DUMP_REGION_HOST_END		0xFF
971 
972 /* CAPI modes for PHB */
973 enum {
974 	OPAL_PHB_CAPI_MODE_PCIE		= 0,
975 	OPAL_PHB_CAPI_MODE_CAPI		= 1,
976 	OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
977 	OPAL_PHB_CAPI_MODE_SNOOP_ON	= 3,
978 	OPAL_PHB_CAPI_MODE_DMA		= 4,
979 	OPAL_PHB_CAPI_MODE_DMA_TVT1	= 5,
980 };
981 
982 /* OPAL I2C request */
983 struct opal_i2c_request {
984 	uint8_t	type;
985 #define OPAL_I2C_RAW_READ	0
986 #define OPAL_I2C_RAW_WRITE	1
987 #define OPAL_I2C_SM_READ	2
988 #define OPAL_I2C_SM_WRITE	3
989 	uint8_t flags;
990 #define OPAL_I2C_ADDR_10	0x01	/* Not supported yet */
991 	uint8_t	subaddr_sz;		/* Max 4 */
992 	uint8_t reserved;
993 	__be16 addr;			/* 7 or 10 bit address */
994 	__be16 reserved2;
995 	__be32 subaddr;		/* Sub-address if any */
996 	__be32 size;			/* Data size */
997 	__be64 buffer_ra;		/* Buffer real address */
998 };
999 
1000 /*
1001  * EPOW status sharing (OPAL and the host)
1002  *
1003  * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
1004  * with individual elements being 16 bits wide to fetch the system
1005  * wide EPOW status. Each element in the buffer will contain the
1006  * EPOW status in it's bit representation for a particular EPOW sub
1007  * class as defined here. So multiple detailed EPOW status bits
1008  * specific for any sub class can be represented in a single buffer
1009  * element as it's bit representation.
1010  */
1011 
1012 /* System EPOW type */
1013 enum OpalSysEpow {
1014 	OPAL_SYSEPOW_POWER	= 0,	/* Power EPOW */
1015 	OPAL_SYSEPOW_TEMP	= 1,	/* Temperature EPOW */
1016 	OPAL_SYSEPOW_COOLING	= 2,	/* Cooling EPOW */
1017 	OPAL_SYSEPOW_MAX	= 3,	/* Max EPOW categories */
1018 };
1019 
1020 /* Power EPOW */
1021 enum OpalSysPower {
1022 	OPAL_SYSPOWER_UPS	= 0x0001, /* System on UPS power */
1023 	OPAL_SYSPOWER_CHNG	= 0x0002, /* System power config change */
1024 	OPAL_SYSPOWER_FAIL	= 0x0004, /* System impending power failure */
1025 	OPAL_SYSPOWER_INCL	= 0x0008, /* System incomplete power */
1026 };
1027 
1028 /* Temperature EPOW */
1029 enum OpalSysTemp {
1030 	OPAL_SYSTEMP_AMB	= 0x0001, /* System over ambient temperature */
1031 	OPAL_SYSTEMP_INT	= 0x0002, /* System over internal temperature */
1032 	OPAL_SYSTEMP_HMD	= 0x0004, /* System over ambient humidity */
1033 };
1034 
1035 /* Cooling EPOW */
1036 enum OpalSysCooling {
1037 	OPAL_SYSCOOL_INSF	= 0x0001, /* System insufficient cooling */
1038 };
1039 
1040 /* Argument to OPAL_CEC_REBOOT2() */
1041 enum {
1042 	OPAL_REBOOT_NORMAL		= 0,
1043 	OPAL_REBOOT_PLATFORM_ERROR	= 1,
1044 };
1045 
1046 /* Argument to OPAL_PCI_TCE_KILL */
1047 enum {
1048 	OPAL_PCI_TCE_KILL_PAGES,
1049 	OPAL_PCI_TCE_KILL_PE,
1050 	OPAL_PCI_TCE_KILL_ALL,
1051 };
1052 
1053 /* The xive operation mode indicates the active "API" and
1054  * corresponds to the "mode" parameter of the opal_xive_reset()
1055  * call
1056  */
1057 enum {
1058 	OPAL_XIVE_MODE_EMU	= 0,
1059 	OPAL_XIVE_MODE_EXPL	= 1,
1060 };
1061 
1062 /* Flags for OPAL_XIVE_GET_IRQ_INFO */
1063 enum {
1064 	OPAL_XIVE_IRQ_TRIGGER_PAGE	= 0x00000001,
1065 	OPAL_XIVE_IRQ_STORE_EOI		= 0x00000002,
1066 	OPAL_XIVE_IRQ_LSI		= 0x00000004,
1067 	OPAL_XIVE_IRQ_SHIFT_BUG		= 0x00000008,
1068 	OPAL_XIVE_IRQ_MASK_VIA_FW	= 0x00000010,
1069 	OPAL_XIVE_IRQ_EOI_VIA_FW	= 0x00000020,
1070 };
1071 
1072 /* Flags for OPAL_XIVE_GET/SET_QUEUE_INFO */
1073 enum {
1074 	OPAL_XIVE_EQ_ENABLED		= 0x00000001,
1075 	OPAL_XIVE_EQ_ALWAYS_NOTIFY	= 0x00000002,
1076 	OPAL_XIVE_EQ_ESCALATE		= 0x00000004,
1077 };
1078 
1079 /* Flags for OPAL_XIVE_GET/SET_VP_INFO */
1080 enum {
1081 	OPAL_XIVE_VP_ENABLED		= 0x00000001,
1082 	OPAL_XIVE_VP_SINGLE_ESCALATION	= 0x00000002,
1083 };
1084 
1085 /* "Any chip" replacement for chip ID for allocation functions */
1086 enum {
1087 	OPAL_XIVE_ANY_CHIP		= 0xffffffff,
1088 };
1089 
1090 /* Xive sync options */
1091 enum {
1092 	/* This bits are cumulative, arg is a girq */
1093 	XIVE_SYNC_EAS			= 0x00000001, /* Sync irq source */
1094 	XIVE_SYNC_QUEUE			= 0x00000002, /* Sync irq target */
1095 };
1096 
1097 /* Dump options */
1098 enum {
1099 	XIVE_DUMP_TM_HYP	= 0,
1100 	XIVE_DUMP_TM_POOL	= 1,
1101 	XIVE_DUMP_TM_OS		= 2,
1102 	XIVE_DUMP_TM_USER	= 3,
1103 	XIVE_DUMP_VP		= 4,
1104 	XIVE_DUMP_EMU_STATE	= 5,
1105 };
1106 
1107 /* "type" argument options for OPAL_IMC_COUNTERS_* calls */
1108 enum {
1109 	OPAL_IMC_COUNTERS_NEST = 1,
1110 	OPAL_IMC_COUNTERS_CORE = 2,
1111 };
1112 
1113 
1114 /* PCI p2p descriptor */
1115 #define OPAL_PCI_P2P_ENABLE		0x1
1116 #define OPAL_PCI_P2P_LOAD		0x2
1117 #define OPAL_PCI_P2P_STORE		0x4
1118 
1119 #endif /* __ASSEMBLY__ */
1120 
1121 #endif /* __OPAL_API_H */
1122