xref: /linux/arch/powerpc/include/asm/opal-api.h (revision b8d312aa075f33282565467662c4628dae0a2aff)
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_LAST				170
212 
213 #define QUIESCE_HOLD			1 /* Spin all calls at entry */
214 #define QUIESCE_REJECT			2 /* Fail all calls with OPAL_BUSY */
215 #define QUIESCE_LOCK_BREAK		3 /* Set to ignore locks. */
216 #define QUIESCE_RESUME			4 /* Un-quiesce */
217 #define QUIESCE_RESUME_FAST_REBOOT	5 /* Un-quiesce, fast reboot */
218 
219 /* Device tree flags */
220 
221 /*
222  * Flags set in power-mgmt nodes in device tree describing
223  * idle states that are supported in the platform.
224  */
225 
226 #define OPAL_PM_TIMEBASE_STOP		0x00000002
227 #define OPAL_PM_LOSE_HYP_CONTEXT	0x00002000
228 #define OPAL_PM_LOSE_FULL_CONTEXT	0x00004000
229 #define OPAL_PM_NAP_ENABLED		0x00010000
230 #define OPAL_PM_SLEEP_ENABLED		0x00020000
231 #define OPAL_PM_WINKLE_ENABLED		0x00040000
232 #define OPAL_PM_SLEEP_ENABLED_ER1	0x00080000 /* with workaround */
233 #define OPAL_PM_STOP_INST_FAST		0x00100000
234 #define OPAL_PM_STOP_INST_DEEP		0x00200000
235 
236 /*
237  * OPAL_CONFIG_CPU_IDLE_STATE parameters
238  */
239 #define OPAL_CONFIG_IDLE_FASTSLEEP	1
240 #define OPAL_CONFIG_IDLE_UNDO		0
241 #define OPAL_CONFIG_IDLE_APPLY		1
242 
243 #ifndef __ASSEMBLY__
244 
245 /* Other enums */
246 enum OpalFreezeState {
247 	OPAL_EEH_STOPPED_NOT_FROZEN = 0,
248 	OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
249 	OPAL_EEH_STOPPED_DMA_FREEZE = 2,
250 	OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
251 	OPAL_EEH_STOPPED_RESET = 4,
252 	OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
253 	OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
254 };
255 
256 enum OpalEehFreezeActionToken {
257 	OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
258 	OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
259 	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
260 
261 	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
262 	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
263 	OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
264 };
265 
266 enum OpalPciStatusToken {
267 	OPAL_EEH_NO_ERROR	= 0,
268 	OPAL_EEH_IOC_ERROR	= 1,
269 	OPAL_EEH_PHB_ERROR	= 2,
270 	OPAL_EEH_PE_ERROR	= 3,
271 	OPAL_EEH_PE_MMIO_ERROR	= 4,
272 	OPAL_EEH_PE_DMA_ERROR	= 5
273 };
274 
275 enum OpalPciErrorSeverity {
276 	OPAL_EEH_SEV_NO_ERROR	= 0,
277 	OPAL_EEH_SEV_IOC_DEAD	= 1,
278 	OPAL_EEH_SEV_PHB_DEAD	= 2,
279 	OPAL_EEH_SEV_PHB_FENCED	= 3,
280 	OPAL_EEH_SEV_PE_ER	= 4,
281 	OPAL_EEH_SEV_INF	= 5
282 };
283 
284 enum OpalErrinjectType {
285 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR	= 0,
286 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64	= 1,
287 };
288 
289 enum OpalErrinjectFunc {
290 	/* IOA bus specific errors */
291 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR	= 0,
292 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA	= 1,
293 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR	= 2,
294 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA	= 3,
295 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR	= 4,
296 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA	= 5,
297 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR	= 6,
298 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA	= 7,
299 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR	= 8,
300 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA	= 9,
301 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR	= 10,
302 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA	= 11,
303 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR	= 12,
304 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA	= 13,
305 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER	= 14,
306 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET	= 15,
307 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR	= 16,
308 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA	= 17,
309 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER	= 18,
310 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET	= 19,
311 };
312 
313 enum OpalMmioWindowType {
314 	OPAL_M32_WINDOW_TYPE = 1,
315 	OPAL_M64_WINDOW_TYPE = 2,
316 	OPAL_IO_WINDOW_TYPE  = 3
317 };
318 
319 enum OpalExceptionHandler {
320 	OPAL_MACHINE_CHECK_HANDLER	    = 1,
321 	OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
322 	OPAL_SOFTPATCH_HANDLER		    = 3
323 };
324 
325 enum OpalPendingState {
326 	OPAL_EVENT_OPAL_INTERNAL   = 0x1,
327 	OPAL_EVENT_NVRAM	   = 0x2,
328 	OPAL_EVENT_RTC		   = 0x4,
329 	OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
330 	OPAL_EVENT_CONSOLE_INPUT   = 0x10,
331 	OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
332 	OPAL_EVENT_ERROR_LOG	   = 0x40,
333 	OPAL_EVENT_EPOW		   = 0x80,
334 	OPAL_EVENT_LED_STATUS	   = 0x100,
335 	OPAL_EVENT_PCI_ERROR	   = 0x200,
336 	OPAL_EVENT_DUMP_AVAIL	   = 0x400,
337 	OPAL_EVENT_MSG_PENDING	   = 0x800,
338 };
339 
340 enum OpalThreadStatus {
341 	OPAL_THREAD_INACTIVE = 0x0,
342 	OPAL_THREAD_STARTED = 0x1,
343 	OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
344 };
345 
346 enum OpalPciBusCompare {
347 	OpalPciBusAny	= 0,	/* Any bus number match */
348 	OpalPciBus3Bits	= 2,	/* Match top 3 bits of bus number */
349 	OpalPciBus4Bits	= 3,	/* Match top 4 bits of bus number */
350 	OpalPciBus5Bits	= 4,	/* Match top 5 bits of bus number */
351 	OpalPciBus6Bits	= 5,	/* Match top 6 bits of bus number */
352 	OpalPciBus7Bits	= 6,	/* Match top 7 bits of bus number */
353 	OpalPciBusAll	= 7,	/* Match bus number exactly */
354 };
355 
356 enum OpalDeviceCompare {
357 	OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
358 	OPAL_COMPARE_RID_DEVICE_NUMBER = 1
359 };
360 
361 enum OpalFuncCompare {
362 	OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
363 	OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
364 };
365 
366 enum OpalPeAction {
367 	OPAL_UNMAP_PE = 0,
368 	OPAL_MAP_PE = 1
369 };
370 
371 enum OpalPeltvAction {
372 	OPAL_REMOVE_PE_FROM_DOMAIN = 0,
373 	OPAL_ADD_PE_TO_DOMAIN = 1
374 };
375 
376 enum OpalMveEnableAction {
377 	OPAL_DISABLE_MVE = 0,
378 	OPAL_ENABLE_MVE = 1
379 };
380 
381 enum OpalM64Action {
382 	OPAL_DISABLE_M64 = 0,
383 	OPAL_ENABLE_M64_SPLIT = 1,
384 	OPAL_ENABLE_M64_NON_SPLIT = 2
385 };
386 
387 enum OpalPciResetScope {
388 	OPAL_RESET_PHB_COMPLETE		= 1,
389 	OPAL_RESET_PCI_LINK		= 2,
390 	OPAL_RESET_PHB_ERROR		= 3,
391 	OPAL_RESET_PCI_HOT		= 4,
392 	OPAL_RESET_PCI_FUNDAMENTAL	= 5,
393 	OPAL_RESET_PCI_IODA_TABLE	= 6
394 };
395 
396 enum OpalPciReinitScope {
397 	/*
398 	 * Note: we chose values that do not overlap
399 	 * OpalPciResetScope as OPAL v2 used the same
400 	 * enum for both
401 	 */
402 	OPAL_REINIT_PCI_DEV = 1000
403 };
404 
405 enum OpalPciResetState {
406 	OPAL_DEASSERT_RESET = 0,
407 	OPAL_ASSERT_RESET   = 1
408 };
409 
410 enum OpalPciSlotPresence {
411 	OPAL_PCI_SLOT_EMPTY	= 0,
412 	OPAL_PCI_SLOT_PRESENT	= 1
413 };
414 
415 enum OpalPciSlotPower {
416 	OPAL_PCI_SLOT_POWER_OFF	= 0,
417 	OPAL_PCI_SLOT_POWER_ON	= 1,
418 	OPAL_PCI_SLOT_OFFLINE	= 2,
419 	OPAL_PCI_SLOT_ONLINE	= 3
420 };
421 
422 enum OpalSlotLedType {
423 	OPAL_SLOT_LED_TYPE_ID = 0,	/* IDENTIFY LED */
424 	OPAL_SLOT_LED_TYPE_FAULT = 1,	/* FAULT LED */
425 	OPAL_SLOT_LED_TYPE_ATTN = 2,	/* System Attention LED */
426 	OPAL_SLOT_LED_TYPE_MAX = 3
427 };
428 
429 enum OpalSlotLedState {
430 	OPAL_SLOT_LED_STATE_OFF = 0,	/* LED is OFF */
431 	OPAL_SLOT_LED_STATE_ON = 1	/* LED is ON */
432 };
433 
434 /*
435  * Address cycle types for LPC accesses. These also correspond
436  * to the content of the first cell of the "reg" property for
437  * device nodes on the LPC bus
438  */
439 enum OpalLPCAddressType {
440 	OPAL_LPC_MEM	= 0,
441 	OPAL_LPC_IO	= 1,
442 	OPAL_LPC_FW	= 2,
443 };
444 
445 enum opal_msg_type {
446 	OPAL_MSG_ASYNC_COMP	= 0,	/* params[0] = token, params[1] = rc,
447 					 * additional params function-specific
448 					 */
449 	OPAL_MSG_MEM_ERR	= 1,
450 	OPAL_MSG_EPOW		= 2,
451 	OPAL_MSG_SHUTDOWN	= 3,	/* params[0] = 1 reboot, 0 shutdown */
452 	OPAL_MSG_HMI_EVT	= 4,
453 	OPAL_MSG_DPO		= 5,
454 	OPAL_MSG_PRD		= 6,
455 	OPAL_MSG_OCC		= 7,
456 	OPAL_MSG_TYPE_MAX,
457 };
458 
459 struct opal_msg {
460 	__be32 msg_type;
461 	__be32 reserved;
462 	__be64 params[8];
463 };
464 
465 /* System parameter permission */
466 enum OpalSysparamPerm {
467 	OPAL_SYSPARAM_READ  = 0x1,
468 	OPAL_SYSPARAM_WRITE = 0x2,
469 	OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
470 };
471 
472 enum {
473 	OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
474 };
475 
476 struct opal_ipmi_msg {
477 	uint8_t version;
478 	uint8_t netfn;
479 	uint8_t cmd;
480 	uint8_t data[];
481 };
482 
483 /* FSP memory errors handling */
484 enum OpalMemErr_Version {
485 	OpalMemErr_V1 = 1,
486 };
487 
488 enum OpalMemErrType {
489 	OPAL_MEM_ERR_TYPE_RESILIENCE	= 0,
490 	OPAL_MEM_ERR_TYPE_DYN_DALLOC,
491 };
492 
493 /* Memory Reilience error type */
494 enum OpalMemErr_ResilErrType {
495 	OPAL_MEM_RESILIENCE_CE		= 0,
496 	OPAL_MEM_RESILIENCE_UE,
497 	OPAL_MEM_RESILIENCE_UE_SCRUB,
498 };
499 
500 /* Dynamic Memory Deallocation type */
501 enum OpalMemErr_DynErrType {
502 	OPAL_MEM_DYNAMIC_DEALLOC	= 0,
503 };
504 
505 struct OpalMemoryErrorData {
506 	enum OpalMemErr_Version	version:8;	/* 0x00 */
507 	enum OpalMemErrType	type:8;		/* 0x01 */
508 	__be16			flags;		/* 0x02 */
509 	uint8_t			reserved_1[4];	/* 0x04 */
510 
511 	union {
512 		/* Memory Resilience corrected/uncorrected error info */
513 		struct {
514 			enum OpalMemErr_ResilErrType	resil_err_type:8;
515 			uint8_t				reserved_1[7];
516 			__be64				physical_address_start;
517 			__be64				physical_address_end;
518 		} resilience;
519 		/* Dynamic memory deallocation error info */
520 		struct {
521 			enum OpalMemErr_DynErrType	dyn_err_type:8;
522 			uint8_t				reserved_1[7];
523 			__be64				physical_address_start;
524 			__be64				physical_address_end;
525 		} dyn_dealloc;
526 	} u;
527 };
528 
529 /* HMI interrupt event */
530 enum OpalHMI_Version {
531 	OpalHMIEvt_V1 = 1,
532 	OpalHMIEvt_V2 = 2,
533 };
534 
535 enum OpalHMI_Severity {
536 	OpalHMI_SEV_NO_ERROR = 0,
537 	OpalHMI_SEV_WARNING = 1,
538 	OpalHMI_SEV_ERROR_SYNC = 2,
539 	OpalHMI_SEV_FATAL = 3,
540 };
541 
542 enum OpalHMI_Disposition {
543 	OpalHMI_DISPOSITION_RECOVERED = 0,
544 	OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
545 };
546 
547 enum OpalHMI_ErrType {
548 	OpalHMI_ERROR_MALFUNC_ALERT	= 0,
549 	OpalHMI_ERROR_PROC_RECOV_DONE,
550 	OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
551 	OpalHMI_ERROR_PROC_RECOV_MASKED,
552 	OpalHMI_ERROR_TFAC,
553 	OpalHMI_ERROR_TFMR_PARITY,
554 	OpalHMI_ERROR_HA_OVERFLOW_WARN,
555 	OpalHMI_ERROR_XSCOM_FAIL,
556 	OpalHMI_ERROR_XSCOM_DONE,
557 	OpalHMI_ERROR_SCOM_FIR,
558 	OpalHMI_ERROR_DEBUG_TRIG_FIR,
559 	OpalHMI_ERROR_HYP_RESOURCE,
560 	OpalHMI_ERROR_CAPP_RECOVERY,
561 };
562 
563 enum OpalHMI_XstopType {
564 	CHECKSTOP_TYPE_UNKNOWN	=	0,
565 	CHECKSTOP_TYPE_CORE	=	1,
566 	CHECKSTOP_TYPE_NX	=	2,
567 	CHECKSTOP_TYPE_NPU	=	3
568 };
569 
570 enum OpalHMI_CoreXstopReason {
571 	CORE_CHECKSTOP_IFU_REGFILE		= 0x00000001,
572 	CORE_CHECKSTOP_IFU_LOGIC		= 0x00000002,
573 	CORE_CHECKSTOP_PC_DURING_RECOV		= 0x00000004,
574 	CORE_CHECKSTOP_ISU_REGFILE		= 0x00000008,
575 	CORE_CHECKSTOP_ISU_LOGIC		= 0x00000010,
576 	CORE_CHECKSTOP_FXU_LOGIC		= 0x00000020,
577 	CORE_CHECKSTOP_VSU_LOGIC		= 0x00000040,
578 	CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE	= 0x00000080,
579 	CORE_CHECKSTOP_LSU_REGFILE		= 0x00000100,
580 	CORE_CHECKSTOP_PC_FWD_PROGRESS		= 0x00000200,
581 	CORE_CHECKSTOP_LSU_LOGIC		= 0x00000400,
582 	CORE_CHECKSTOP_PC_LOGIC			= 0x00000800,
583 	CORE_CHECKSTOP_PC_HYP_RESOURCE		= 0x00001000,
584 	CORE_CHECKSTOP_PC_HANG_RECOV_FAILED	= 0x00002000,
585 	CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED	= 0x00004000,
586 	CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ	= 0x00008000,
587 	CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ	= 0x00010000,
588 };
589 
590 enum OpalHMI_NestAccelXstopReason {
591 	NX_CHECKSTOP_SHM_INVAL_STATE_ERR	= 0x00000001,
592 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1	= 0x00000002,
593 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2	= 0x00000004,
594 	NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR	= 0x00000008,
595 	NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR	= 0x00000010,
596 	NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR	= 0x00000020,
597 	NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR	= 0x00000040,
598 	NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR	= 0x00000080,
599 	NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR	= 0x00000100,
600 	NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR	= 0x00000200,
601 	NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR	= 0x00000400,
602 	NX_CHECKSTOP_DMA_CRB_UE			= 0x00000800,
603 	NX_CHECKSTOP_DMA_CRB_SUE		= 0x00001000,
604 	NX_CHECKSTOP_PBI_ISN_UE			= 0x00002000,
605 };
606 
607 struct OpalHMIEvent {
608 	uint8_t		version;	/* 0x00 */
609 	uint8_t		severity;	/* 0x01 */
610 	uint8_t		type;		/* 0x02 */
611 	uint8_t		disposition;	/* 0x03 */
612 	uint8_t		reserved_1[4];	/* 0x04 */
613 
614 	__be64		hmer;
615 	/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
616 	__be64		tfmr;
617 
618 	/* version 2 and later */
619 	union {
620 		/*
621 		 * checkstop info (Core/NX).
622 		 * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
623 		 */
624 		struct {
625 			uint8_t	xstop_type;	/* enum OpalHMI_XstopType */
626 			uint8_t reserved_1[3];
627 			__be32  xstop_reason;
628 			union {
629 				__be32 pir;	/* for CHECKSTOP_TYPE_CORE */
630 				__be32 chip_id;	/* for CHECKSTOP_TYPE_NX */
631 			} u;
632 		} xstop_error;
633 	} u;
634 };
635 
636 /* OPAL_HANDLE_HMI2 out_flags */
637 enum {
638 	OPAL_HMI_FLAGS_TB_RESYNC	= (1ull << 0), /* Timebase has been resynced */
639 	OPAL_HMI_FLAGS_DEC_LOST		= (1ull << 1), /* DEC lost, needs to be reprogrammed */
640 	OPAL_HMI_FLAGS_HDEC_LOST	= (1ull << 2), /* HDEC lost, needs to be reprogrammed */
641 	OPAL_HMI_FLAGS_TOD_TB_FAIL	= (1ull << 3), /* TOD/TB recovery failed. */
642 	OPAL_HMI_FLAGS_NEW_EVENT	= (1ull << 63), /* An event has been created */
643 };
644 
645 enum {
646 	OPAL_P7IOC_DIAG_TYPE_NONE	= 0,
647 	OPAL_P7IOC_DIAG_TYPE_RGC	= 1,
648 	OPAL_P7IOC_DIAG_TYPE_BI		= 2,
649 	OPAL_P7IOC_DIAG_TYPE_CI		= 3,
650 	OPAL_P7IOC_DIAG_TYPE_MISC	= 4,
651 	OPAL_P7IOC_DIAG_TYPE_I2C	= 5,
652 	OPAL_P7IOC_DIAG_TYPE_LAST	= 6
653 };
654 
655 struct OpalIoP7IOCErrorData {
656 	__be16 type;
657 
658 	/* GEM */
659 	__be64 gemXfir;
660 	__be64 gemRfir;
661 	__be64 gemRirqfir;
662 	__be64 gemMask;
663 	__be64 gemRwof;
664 
665 	/* LEM */
666 	__be64 lemFir;
667 	__be64 lemErrMask;
668 	__be64 lemAction0;
669 	__be64 lemAction1;
670 	__be64 lemWof;
671 
672 	union {
673 		struct OpalIoP7IOCRgcErrorData {
674 			__be64 rgcStatus;	/* 3E1C10 */
675 			__be64 rgcLdcp;		/* 3E1C18 */
676 		}rgc;
677 		struct OpalIoP7IOCBiErrorData {
678 			__be64 biLdcp0;		/* 3C0100, 3C0118 */
679 			__be64 biLdcp1;		/* 3C0108, 3C0120 */
680 			__be64 biLdcp2;		/* 3C0110, 3C0128 */
681 			__be64 biFenceStatus;	/* 3C0130, 3C0130 */
682 
683 			uint8_t biDownbound;	/* BI Downbound or Upbound */
684 		}bi;
685 		struct OpalIoP7IOCCiErrorData {
686 			__be64 ciPortStatus;	/* 3Dn008 */
687 			__be64 ciPortLdcp;	/* 3Dn010 */
688 
689 			uint8_t ciPort;		/* Index of CI port: 0/1 */
690 		}ci;
691 	};
692 };
693 
694 /**
695  * This structure defines the overlay which will be used to store PHB error
696  * data upon request.
697  */
698 enum {
699 	OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
700 };
701 
702 enum {
703 	OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
704 	OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2,
705 	OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
706 };
707 
708 enum {
709 	OPAL_P7IOC_NUM_PEST_REGS = 128,
710 	OPAL_PHB3_NUM_PEST_REGS = 256,
711 	OPAL_PHB4_NUM_PEST_REGS = 512
712 };
713 
714 struct OpalIoPhbErrorCommon {
715 	__be32 version;
716 	__be32 ioType;
717 	__be32 len;
718 };
719 
720 struct OpalIoP7IOCPhbErrorData {
721 	struct OpalIoPhbErrorCommon common;
722 
723 	__be32 brdgCtl;
724 
725 	// P7IOC utl regs
726 	__be32 portStatusReg;
727 	__be32 rootCmplxStatus;
728 	__be32 busAgentStatus;
729 
730 	// P7IOC cfg regs
731 	__be32 deviceStatus;
732 	__be32 slotStatus;
733 	__be32 linkStatus;
734 	__be32 devCmdStatus;
735 	__be32 devSecStatus;
736 
737 	// cfg AER regs
738 	__be32 rootErrorStatus;
739 	__be32 uncorrErrorStatus;
740 	__be32 corrErrorStatus;
741 	__be32 tlpHdr1;
742 	__be32 tlpHdr2;
743 	__be32 tlpHdr3;
744 	__be32 tlpHdr4;
745 	__be32 sourceId;
746 
747 	__be32 rsv3;
748 
749 	// Record data about the call to allocate a buffer.
750 	__be64 errorClass;
751 	__be64 correlator;
752 
753 	//P7IOC MMIO Error Regs
754 	__be64 p7iocPlssr;                // n120
755 	__be64 p7iocCsr;                  // n110
756 	__be64 lemFir;                    // nC00
757 	__be64 lemErrorMask;              // nC18
758 	__be64 lemWOF;                    // nC40
759 	__be64 phbErrorStatus;            // nC80
760 	__be64 phbFirstErrorStatus;       // nC88
761 	__be64 phbErrorLog0;              // nCC0
762 	__be64 phbErrorLog1;              // nCC8
763 	__be64 mmioErrorStatus;           // nD00
764 	__be64 mmioFirstErrorStatus;      // nD08
765 	__be64 mmioErrorLog0;             // nD40
766 	__be64 mmioErrorLog1;             // nD48
767 	__be64 dma0ErrorStatus;           // nD80
768 	__be64 dma0FirstErrorStatus;      // nD88
769 	__be64 dma0ErrorLog0;             // nDC0
770 	__be64 dma0ErrorLog1;             // nDC8
771 	__be64 dma1ErrorStatus;           // nE00
772 	__be64 dma1FirstErrorStatus;      // nE08
773 	__be64 dma1ErrorLog0;             // nE40
774 	__be64 dma1ErrorLog1;             // nE48
775 	__be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
776 	__be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
777 };
778 
779 struct OpalIoPhb3ErrorData {
780 	struct OpalIoPhbErrorCommon common;
781 
782 	__be32 brdgCtl;
783 
784 	/* PHB3 UTL regs */
785 	__be32 portStatusReg;
786 	__be32 rootCmplxStatus;
787 	__be32 busAgentStatus;
788 
789 	/* PHB3 cfg regs */
790 	__be32 deviceStatus;
791 	__be32 slotStatus;
792 	__be32 linkStatus;
793 	__be32 devCmdStatus;
794 	__be32 devSecStatus;
795 
796 	/* cfg AER regs */
797 	__be32 rootErrorStatus;
798 	__be32 uncorrErrorStatus;
799 	__be32 corrErrorStatus;
800 	__be32 tlpHdr1;
801 	__be32 tlpHdr2;
802 	__be32 tlpHdr3;
803 	__be32 tlpHdr4;
804 	__be32 sourceId;
805 
806 	__be32 rsv3;
807 
808 	/* Record data about the call to allocate a buffer */
809 	__be64 errorClass;
810 	__be64 correlator;
811 
812 	/* PHB3 MMIO Error Regs */
813 	__be64 nFir;			/* 000 */
814 	__be64 nFirMask;		/* 003 */
815 	__be64 nFirWOF;		/* 008 */
816 	__be64 phbPlssr;		/* 120 */
817 	__be64 phbCsr;		/* 110 */
818 	__be64 lemFir;		/* C00 */
819 	__be64 lemErrorMask;		/* C18 */
820 	__be64 lemWOF;		/* C40 */
821 	__be64 phbErrorStatus;	/* C80 */
822 	__be64 phbFirstErrorStatus;	/* C88 */
823 	__be64 phbErrorLog0;		/* CC0 */
824 	__be64 phbErrorLog1;		/* CC8 */
825 	__be64 mmioErrorStatus;	/* D00 */
826 	__be64 mmioFirstErrorStatus;	/* D08 */
827 	__be64 mmioErrorLog0;		/* D40 */
828 	__be64 mmioErrorLog1;		/* D48 */
829 	__be64 dma0ErrorStatus;	/* D80 */
830 	__be64 dma0FirstErrorStatus;	/* D88 */
831 	__be64 dma0ErrorLog0;		/* DC0 */
832 	__be64 dma0ErrorLog1;		/* DC8 */
833 	__be64 dma1ErrorStatus;	/* E00 */
834 	__be64 dma1FirstErrorStatus;	/* E08 */
835 	__be64 dma1ErrorLog0;		/* E40 */
836 	__be64 dma1ErrorLog1;		/* E48 */
837 	__be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
838 	__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
839 };
840 
841 struct OpalIoPhb4ErrorData {
842 	struct OpalIoPhbErrorCommon common;
843 
844 	__be32 brdgCtl;
845 
846 	/* PHB4 cfg regs */
847 	__be32 deviceStatus;
848 	__be32 slotStatus;
849 	__be32 linkStatus;
850 	__be32 devCmdStatus;
851 	__be32 devSecStatus;
852 
853 	/* cfg AER regs */
854 	__be32 rootErrorStatus;
855 	__be32 uncorrErrorStatus;
856 	__be32 corrErrorStatus;
857 	__be32 tlpHdr1;
858 	__be32 tlpHdr2;
859 	__be32 tlpHdr3;
860 	__be32 tlpHdr4;
861 	__be32 sourceId;
862 
863 	/* PHB4 ETU Error Regs */
864 	__be64 nFir;				/* 000 */
865 	__be64 nFirMask;			/* 003 */
866 	__be64 nFirWOF;				/* 008 */
867 	__be64 phbPlssr;			/* 120 */
868 	__be64 phbCsr;				/* 110 */
869 	__be64 lemFir;				/* C00 */
870 	__be64 lemErrorMask;			/* C18 */
871 	__be64 lemWOF;				/* C40 */
872 	__be64 phbErrorStatus;			/* C80 */
873 	__be64 phbFirstErrorStatus;		/* C88 */
874 	__be64 phbErrorLog0;			/* CC0 */
875 	__be64 phbErrorLog1;			/* CC8 */
876 	__be64 phbTxeErrorStatus;		/* D00 */
877 	__be64 phbTxeFirstErrorStatus;		/* D08 */
878 	__be64 phbTxeErrorLog0;			/* D40 */
879 	__be64 phbTxeErrorLog1;			/* D48 */
880 	__be64 phbRxeArbErrorStatus;		/* D80 */
881 	__be64 phbRxeArbFirstErrorStatus;	/* D88 */
882 	__be64 phbRxeArbErrorLog0;		/* DC0 */
883 	__be64 phbRxeArbErrorLog1;		/* DC8 */
884 	__be64 phbRxeMrgErrorStatus;		/* E00 */
885 	__be64 phbRxeMrgFirstErrorStatus;	/* E08 */
886 	__be64 phbRxeMrgErrorLog0;		/* E40 */
887 	__be64 phbRxeMrgErrorLog1;		/* E48 */
888 	__be64 phbRxeTceErrorStatus;		/* E80 */
889 	__be64 phbRxeTceFirstErrorStatus;	/* E88 */
890 	__be64 phbRxeTceErrorLog0;		/* EC0 */
891 	__be64 phbRxeTceErrorLog1;		/* EC8 */
892 
893 	/* PHB4 REGB Error Regs */
894 	__be64 phbPblErrorStatus;		/* 1900 */
895 	__be64 phbPblFirstErrorStatus;		/* 1908 */
896 	__be64 phbPblErrorLog0;			/* 1940 */
897 	__be64 phbPblErrorLog1;			/* 1948 */
898 	__be64 phbPcieDlpErrorLog1;		/* 1AA0 */
899 	__be64 phbPcieDlpErrorLog2;		/* 1AA8 */
900 	__be64 phbPcieDlpErrorStatus;		/* 1AB0 */
901 	__be64 phbRegbErrorStatus;		/* 1C00 */
902 	__be64 phbRegbFirstErrorStatus;		/* 1C08 */
903 	__be64 phbRegbErrorLog0;		/* 1C40 */
904 	__be64 phbRegbErrorLog1;		/* 1C48 */
905 
906 	__be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
907 	__be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
908 };
909 
910 enum {
911 	OPAL_REINIT_CPUS_HILE_BE	= (1 << 0),
912 	OPAL_REINIT_CPUS_HILE_LE	= (1 << 1),
913 
914 	/* These two define the base MMU mode of the host on P9
915 	 *
916 	 * On P9 Nimbus DD2.0 and Cumlus (and later), KVM can still
917 	 * create hash guests in "radix" mode with care (full core
918 	 * switch only).
919 	 */
920 	OPAL_REINIT_CPUS_MMU_HASH	= (1 << 2),
921 	OPAL_REINIT_CPUS_MMU_RADIX	= (1 << 3),
922 
923 	OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED = (1 << 4),
924 };
925 
926 typedef struct oppanel_line {
927 	__be64 line;
928 	__be64 line_len;
929 } oppanel_line_t;
930 
931 enum opal_prd_msg_type {
932 	OPAL_PRD_MSG_TYPE_INIT = 0,	/* HBRT --> OPAL */
933 	OPAL_PRD_MSG_TYPE_FINI,		/* HBRT/kernel --> OPAL */
934 	OPAL_PRD_MSG_TYPE_ATTN,		/* HBRT <-- OPAL */
935 	OPAL_PRD_MSG_TYPE_ATTN_ACK,	/* HBRT --> OPAL */
936 	OPAL_PRD_MSG_TYPE_OCC_ERROR,	/* HBRT <-- OPAL */
937 	OPAL_PRD_MSG_TYPE_OCC_RESET,	/* HBRT <-- OPAL */
938 };
939 
940 struct opal_prd_msg_header {
941 	uint8_t		type;
942 	uint8_t		pad[1];
943 	__be16		size;
944 };
945 
946 struct opal_prd_msg;
947 
948 #define OCC_RESET                       0
949 #define OCC_LOAD                        1
950 #define OCC_THROTTLE                    2
951 #define OCC_MAX_THROTTLE_STATUS         5
952 
953 struct opal_occ_msg {
954 	__be64 type;
955 	__be64 chip;
956 	__be64 throttle_status;
957 };
958 
959 /*
960  * SG entries
961  *
962  * WARNING: The current implementation requires each entry
963  * to represent a block that is 4k aligned *and* each block
964  * size except the last one in the list to be as well.
965  */
966 struct opal_sg_entry {
967 	__be64 data;
968 	__be64 length;
969 };
970 
971 /*
972  * Candidate image SG list.
973  *
974  * length = VER | length
975  */
976 struct opal_sg_list {
977 	__be64 length;
978 	__be64 next;
979 	struct opal_sg_entry entry[];
980 };
981 
982 /*
983  * Dump region ID range usable by the OS
984  */
985 #define OPAL_DUMP_REGION_HOST_START		0x80
986 #define OPAL_DUMP_REGION_LOG_BUF		0x80
987 #define OPAL_DUMP_REGION_HOST_END		0xFF
988 
989 /* CAPI modes for PHB */
990 enum {
991 	OPAL_PHB_CAPI_MODE_PCIE		= 0,
992 	OPAL_PHB_CAPI_MODE_CAPI		= 1,
993 	OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
994 	OPAL_PHB_CAPI_MODE_SNOOP_ON	= 3,
995 	OPAL_PHB_CAPI_MODE_DMA		= 4,
996 	OPAL_PHB_CAPI_MODE_DMA_TVT1	= 5,
997 };
998 
999 /* OPAL I2C request */
1000 struct opal_i2c_request {
1001 	uint8_t	type;
1002 #define OPAL_I2C_RAW_READ	0
1003 #define OPAL_I2C_RAW_WRITE	1
1004 #define OPAL_I2C_SM_READ	2
1005 #define OPAL_I2C_SM_WRITE	3
1006 	uint8_t flags;
1007 #define OPAL_I2C_ADDR_10	0x01	/* Not supported yet */
1008 	uint8_t	subaddr_sz;		/* Max 4 */
1009 	uint8_t reserved;
1010 	__be16 addr;			/* 7 or 10 bit address */
1011 	__be16 reserved2;
1012 	__be32 subaddr;		/* Sub-address if any */
1013 	__be32 size;			/* Data size */
1014 	__be64 buffer_ra;		/* Buffer real address */
1015 };
1016 
1017 /*
1018  * EPOW status sharing (OPAL and the host)
1019  *
1020  * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
1021  * with individual elements being 16 bits wide to fetch the system
1022  * wide EPOW status. Each element in the buffer will contain the
1023  * EPOW status in it's bit representation for a particular EPOW sub
1024  * class as defined here. So multiple detailed EPOW status bits
1025  * specific for any sub class can be represented in a single buffer
1026  * element as it's bit representation.
1027  */
1028 
1029 /* System EPOW type */
1030 enum OpalSysEpow {
1031 	OPAL_SYSEPOW_POWER	= 0,	/* Power EPOW */
1032 	OPAL_SYSEPOW_TEMP	= 1,	/* Temperature EPOW */
1033 	OPAL_SYSEPOW_COOLING	= 2,	/* Cooling EPOW */
1034 	OPAL_SYSEPOW_MAX	= 3,	/* Max EPOW categories */
1035 };
1036 
1037 /* Power EPOW */
1038 enum OpalSysPower {
1039 	OPAL_SYSPOWER_UPS	= 0x0001, /* System on UPS power */
1040 	OPAL_SYSPOWER_CHNG	= 0x0002, /* System power config change */
1041 	OPAL_SYSPOWER_FAIL	= 0x0004, /* System impending power failure */
1042 	OPAL_SYSPOWER_INCL	= 0x0008, /* System incomplete power */
1043 };
1044 
1045 /* Temperature EPOW */
1046 enum OpalSysTemp {
1047 	OPAL_SYSTEMP_AMB	= 0x0001, /* System over ambient temperature */
1048 	OPAL_SYSTEMP_INT	= 0x0002, /* System over internal temperature */
1049 	OPAL_SYSTEMP_HMD	= 0x0004, /* System over ambient humidity */
1050 };
1051 
1052 /* Cooling EPOW */
1053 enum OpalSysCooling {
1054 	OPAL_SYSCOOL_INSF	= 0x0001, /* System insufficient cooling */
1055 };
1056 
1057 /* Argument to OPAL_CEC_REBOOT2() */
1058 enum {
1059 	OPAL_REBOOT_NORMAL		= 0,
1060 	OPAL_REBOOT_PLATFORM_ERROR	= 1,
1061 	OPAL_REBOOT_FULL_IPL		= 2,
1062 };
1063 
1064 /* Argument to OPAL_PCI_TCE_KILL */
1065 enum {
1066 	OPAL_PCI_TCE_KILL_PAGES,
1067 	OPAL_PCI_TCE_KILL_PE,
1068 	OPAL_PCI_TCE_KILL_ALL,
1069 };
1070 
1071 /* The xive operation mode indicates the active "API" and
1072  * corresponds to the "mode" parameter of the opal_xive_reset()
1073  * call
1074  */
1075 enum {
1076 	OPAL_XIVE_MODE_EMU	= 0,
1077 	OPAL_XIVE_MODE_EXPL	= 1,
1078 };
1079 
1080 /* Flags for OPAL_XIVE_GET_IRQ_INFO */
1081 enum {
1082 	OPAL_XIVE_IRQ_TRIGGER_PAGE	= 0x00000001,
1083 	OPAL_XIVE_IRQ_STORE_EOI		= 0x00000002,
1084 	OPAL_XIVE_IRQ_LSI		= 0x00000004,
1085 	OPAL_XIVE_IRQ_SHIFT_BUG		= 0x00000008,
1086 	OPAL_XIVE_IRQ_MASK_VIA_FW	= 0x00000010,
1087 	OPAL_XIVE_IRQ_EOI_VIA_FW	= 0x00000020,
1088 };
1089 
1090 /* Flags for OPAL_XIVE_GET/SET_QUEUE_INFO */
1091 enum {
1092 	OPAL_XIVE_EQ_ENABLED		= 0x00000001,
1093 	OPAL_XIVE_EQ_ALWAYS_NOTIFY	= 0x00000002,
1094 	OPAL_XIVE_EQ_ESCALATE		= 0x00000004,
1095 };
1096 
1097 /* Flags for OPAL_XIVE_GET/SET_VP_INFO */
1098 enum {
1099 	OPAL_XIVE_VP_ENABLED		= 0x00000001,
1100 	OPAL_XIVE_VP_SINGLE_ESCALATION	= 0x00000002,
1101 };
1102 
1103 /* "Any chip" replacement for chip ID for allocation functions */
1104 enum {
1105 	OPAL_XIVE_ANY_CHIP		= 0xffffffff,
1106 };
1107 
1108 /* Xive sync options */
1109 enum {
1110 	/* This bits are cumulative, arg is a girq */
1111 	XIVE_SYNC_EAS			= 0x00000001, /* Sync irq source */
1112 	XIVE_SYNC_QUEUE			= 0x00000002, /* Sync irq target */
1113 };
1114 
1115 /* Dump options */
1116 enum {
1117 	XIVE_DUMP_TM_HYP	= 0,
1118 	XIVE_DUMP_TM_POOL	= 1,
1119 	XIVE_DUMP_TM_OS		= 2,
1120 	XIVE_DUMP_TM_USER	= 3,
1121 	XIVE_DUMP_VP		= 4,
1122 	XIVE_DUMP_EMU_STATE	= 5,
1123 };
1124 
1125 /* "type" argument options for OPAL_IMC_COUNTERS_* calls */
1126 enum {
1127 	OPAL_IMC_COUNTERS_NEST = 1,
1128 	OPAL_IMC_COUNTERS_CORE = 2,
1129 	OPAL_IMC_COUNTERS_TRACE = 3,
1130 };
1131 
1132 
1133 /* PCI p2p descriptor */
1134 #define OPAL_PCI_P2P_ENABLE		0x1
1135 #define OPAL_PCI_P2P_LOAD		0x2
1136 #define OPAL_PCI_P2P_STORE		0x4
1137 
1138 #endif /* __ASSEMBLY__ */
1139 
1140 #endif /* __OPAL_API_H */
1141