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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 
44 /* API Tokens (in r0) */
45 #define OPAL_INVALID_CALL		       -1
46 #define OPAL_TEST				0
47 #define OPAL_CONSOLE_WRITE			1
48 #define OPAL_CONSOLE_READ			2
49 #define OPAL_RTC_READ				3
50 #define OPAL_RTC_WRITE				4
51 #define OPAL_CEC_POWER_DOWN			5
52 #define OPAL_CEC_REBOOT				6
53 #define OPAL_READ_NVRAM				7
54 #define OPAL_WRITE_NVRAM			8
55 #define OPAL_HANDLE_INTERRUPT			9
56 #define OPAL_POLL_EVENTS			10
57 #define OPAL_PCI_SET_HUB_TCE_MEMORY		11
58 #define OPAL_PCI_SET_PHB_TCE_MEMORY		12
59 #define OPAL_PCI_CONFIG_READ_BYTE		13
60 #define OPAL_PCI_CONFIG_READ_HALF_WORD  	14
61 #define OPAL_PCI_CONFIG_READ_WORD		15
62 #define OPAL_PCI_CONFIG_WRITE_BYTE		16
63 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD		17
64 #define OPAL_PCI_CONFIG_WRITE_WORD		18
65 #define OPAL_SET_XIVE				19
66 #define OPAL_GET_XIVE				20
67 #define OPAL_GET_COMPLETION_TOKEN_STATUS	21 /* obsolete */
68 #define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER	22
69 #define OPAL_PCI_EEH_FREEZE_STATUS		23
70 #define OPAL_PCI_SHPC				24
71 #define OPAL_CONSOLE_WRITE_BUFFER_SPACE		25
72 #define OPAL_PCI_EEH_FREEZE_CLEAR		26
73 #define OPAL_PCI_PHB_MMIO_ENABLE		27
74 #define OPAL_PCI_SET_PHB_MEM_WINDOW		28
75 #define OPAL_PCI_MAP_PE_MMIO_WINDOW		29
76 #define OPAL_PCI_SET_PHB_TABLE_MEMORY		30
77 #define OPAL_PCI_SET_PE				31
78 #define OPAL_PCI_SET_PELTV			32
79 #define OPAL_PCI_SET_MVE			33
80 #define OPAL_PCI_SET_MVE_ENABLE			34
81 #define OPAL_PCI_GET_XIVE_REISSUE		35
82 #define OPAL_PCI_SET_XIVE_REISSUE		36
83 #define OPAL_PCI_SET_XIVE_PE			37
84 #define OPAL_GET_XIVE_SOURCE			38
85 #define OPAL_GET_MSI_32				39
86 #define OPAL_GET_MSI_64				40
87 #define OPAL_START_CPU				41
88 #define OPAL_QUERY_CPU_STATUS			42
89 #define OPAL_WRITE_OPPANEL			43 /* unimplemented */
90 #define OPAL_PCI_MAP_PE_DMA_WINDOW		44
91 #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL		45
92 #define OPAL_PCI_RESET				49
93 #define OPAL_PCI_GET_HUB_DIAG_DATA		50
94 #define OPAL_PCI_GET_PHB_DIAG_DATA		51
95 #define OPAL_PCI_FENCE_PHB			52
96 #define OPAL_PCI_REINIT				53
97 #define OPAL_PCI_MASK_PE_ERROR			54
98 #define OPAL_SET_SLOT_LED_STATUS		55
99 #define OPAL_GET_EPOW_STATUS			56
100 #define OPAL_SET_SYSTEM_ATTENTION_LED		57
101 #define OPAL_RESERVED1				58
102 #define OPAL_RESERVED2				59
103 #define OPAL_PCI_NEXT_ERROR			60
104 #define OPAL_PCI_EEH_FREEZE_STATUS2		61
105 #define OPAL_PCI_POLL				62
106 #define OPAL_PCI_MSI_EOI			63
107 #define OPAL_PCI_GET_PHB_DIAG_DATA2		64
108 #define OPAL_XSCOM_READ				65
109 #define OPAL_XSCOM_WRITE			66
110 #define OPAL_LPC_READ				67
111 #define OPAL_LPC_WRITE				68
112 #define OPAL_RETURN_CPU				69
113 #define OPAL_REINIT_CPUS			70
114 #define OPAL_ELOG_READ				71
115 #define OPAL_ELOG_WRITE				72
116 #define OPAL_ELOG_ACK				73
117 #define OPAL_ELOG_RESEND			74
118 #define OPAL_ELOG_SIZE				75
119 #define OPAL_FLASH_VALIDATE			76
120 #define OPAL_FLASH_MANAGE			77
121 #define OPAL_FLASH_UPDATE			78
122 #define OPAL_RESYNC_TIMEBASE			79
123 #define OPAL_CHECK_TOKEN			80
124 #define OPAL_DUMP_INIT				81
125 #define OPAL_DUMP_INFO				82
126 #define OPAL_DUMP_READ				83
127 #define OPAL_DUMP_ACK				84
128 #define OPAL_GET_MSG				85
129 #define OPAL_CHECK_ASYNC_COMPLETION		86
130 #define OPAL_SYNC_HOST_REBOOT			87
131 #define OPAL_SENSOR_READ			88
132 #define OPAL_GET_PARAM				89
133 #define OPAL_SET_PARAM				90
134 #define OPAL_DUMP_RESEND			91
135 #define OPAL_ELOG_SEND				92	/* Deprecated */
136 #define OPAL_PCI_SET_PHB_CAPI_MODE		93
137 #define OPAL_DUMP_INFO2				94
138 #define OPAL_WRITE_OPPANEL_ASYNC		95
139 #define OPAL_PCI_ERR_INJECT			96
140 #define OPAL_PCI_EEH_FREEZE_SET			97
141 #define OPAL_HANDLE_HMI				98
142 #define OPAL_CONFIG_CPU_IDLE_STATE		99
143 #define OPAL_SLW_SET_REG			100
144 #define OPAL_REGISTER_DUMP_REGION		101
145 #define OPAL_UNREGISTER_DUMP_REGION		102
146 #define OPAL_WRITE_TPO				103
147 #define OPAL_READ_TPO				104
148 #define OPAL_GET_DPO_STATUS			105
149 #define OPAL_OLD_I2C_REQUEST			106	/* Deprecated */
150 #define OPAL_IPMI_SEND				107
151 #define OPAL_IPMI_RECV				108
152 #define OPAL_I2C_REQUEST			109
153 #define OPAL_FLASH_READ				110
154 #define OPAL_FLASH_WRITE			111
155 #define OPAL_FLASH_ERASE			112
156 #define OPAL_PRD_MSG				113
157 #define OPAL_LEDS_GET_INDICATOR			114
158 #define OPAL_LEDS_SET_INDICATOR			115
159 #define OPAL_CEC_REBOOT2			116
160 #define OPAL_CONSOLE_FLUSH			117
161 #define OPAL_LAST				117
162 
163 /* Device tree flags */
164 
165 /* Flags set in power-mgmt nodes in device tree if
166  * respective idle states are supported in the platform.
167  */
168 #define OPAL_PM_NAP_ENABLED		0x00010000
169 #define OPAL_PM_SLEEP_ENABLED		0x00020000
170 #define OPAL_PM_WINKLE_ENABLED		0x00040000
171 #define OPAL_PM_SLEEP_ENABLED_ER1	0x00080000 /* with workaround */
172 
173 /*
174  * OPAL_CONFIG_CPU_IDLE_STATE parameters
175  */
176 #define OPAL_CONFIG_IDLE_FASTSLEEP	1
177 #define OPAL_CONFIG_IDLE_UNDO		0
178 #define OPAL_CONFIG_IDLE_APPLY		1
179 
180 #ifndef __ASSEMBLY__
181 
182 /* Other enums */
183 enum OpalFreezeState {
184 	OPAL_EEH_STOPPED_NOT_FROZEN = 0,
185 	OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
186 	OPAL_EEH_STOPPED_DMA_FREEZE = 2,
187 	OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
188 	OPAL_EEH_STOPPED_RESET = 4,
189 	OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
190 	OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
191 };
192 
193 enum OpalEehFreezeActionToken {
194 	OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
195 	OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
196 	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
197 
198 	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
199 	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
200 	OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
201 };
202 
203 enum OpalPciStatusToken {
204 	OPAL_EEH_NO_ERROR	= 0,
205 	OPAL_EEH_IOC_ERROR	= 1,
206 	OPAL_EEH_PHB_ERROR	= 2,
207 	OPAL_EEH_PE_ERROR	= 3,
208 	OPAL_EEH_PE_MMIO_ERROR	= 4,
209 	OPAL_EEH_PE_DMA_ERROR	= 5
210 };
211 
212 enum OpalPciErrorSeverity {
213 	OPAL_EEH_SEV_NO_ERROR	= 0,
214 	OPAL_EEH_SEV_IOC_DEAD	= 1,
215 	OPAL_EEH_SEV_PHB_DEAD	= 2,
216 	OPAL_EEH_SEV_PHB_FENCED	= 3,
217 	OPAL_EEH_SEV_PE_ER	= 4,
218 	OPAL_EEH_SEV_INF	= 5
219 };
220 
221 enum OpalErrinjectType {
222 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR	= 0,
223 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64	= 1,
224 };
225 
226 enum OpalErrinjectFunc {
227 	/* IOA bus specific errors */
228 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR	= 0,
229 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA	= 1,
230 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR	= 2,
231 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA	= 3,
232 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR	= 4,
233 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA	= 5,
234 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR	= 6,
235 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA	= 7,
236 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR	= 8,
237 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA	= 9,
238 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR	= 10,
239 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA	= 11,
240 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR	= 12,
241 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA	= 13,
242 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER	= 14,
243 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET	= 15,
244 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR	= 16,
245 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA	= 17,
246 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER	= 18,
247 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET	= 19,
248 };
249 
250 enum OpalMmioWindowType {
251 	OPAL_M32_WINDOW_TYPE = 1,
252 	OPAL_M64_WINDOW_TYPE = 2,
253 	OPAL_IO_WINDOW_TYPE  = 3
254 };
255 
256 enum OpalExceptionHandler {
257 	OPAL_MACHINE_CHECK_HANDLER	    = 1,
258 	OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
259 	OPAL_SOFTPATCH_HANDLER		    = 3
260 };
261 
262 enum OpalPendingState {
263 	OPAL_EVENT_OPAL_INTERNAL   = 0x1,
264 	OPAL_EVENT_NVRAM	   = 0x2,
265 	OPAL_EVENT_RTC		   = 0x4,
266 	OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
267 	OPAL_EVENT_CONSOLE_INPUT   = 0x10,
268 	OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
269 	OPAL_EVENT_ERROR_LOG	   = 0x40,
270 	OPAL_EVENT_EPOW		   = 0x80,
271 	OPAL_EVENT_LED_STATUS	   = 0x100,
272 	OPAL_EVENT_PCI_ERROR	   = 0x200,
273 	OPAL_EVENT_DUMP_AVAIL	   = 0x400,
274 	OPAL_EVENT_MSG_PENDING	   = 0x800,
275 };
276 
277 enum OpalThreadStatus {
278 	OPAL_THREAD_INACTIVE = 0x0,
279 	OPAL_THREAD_STARTED = 0x1,
280 	OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
281 };
282 
283 enum OpalPciBusCompare {
284 	OpalPciBusAny	= 0,	/* Any bus number match */
285 	OpalPciBus3Bits	= 2,	/* Match top 3 bits of bus number */
286 	OpalPciBus4Bits	= 3,	/* Match top 4 bits of bus number */
287 	OpalPciBus5Bits	= 4,	/* Match top 5 bits of bus number */
288 	OpalPciBus6Bits	= 5,	/* Match top 6 bits of bus number */
289 	OpalPciBus7Bits	= 6,	/* Match top 7 bits of bus number */
290 	OpalPciBusAll	= 7,	/* Match bus number exactly */
291 };
292 
293 enum OpalDeviceCompare {
294 	OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
295 	OPAL_COMPARE_RID_DEVICE_NUMBER = 1
296 };
297 
298 enum OpalFuncCompare {
299 	OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
300 	OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
301 };
302 
303 enum OpalPeAction {
304 	OPAL_UNMAP_PE = 0,
305 	OPAL_MAP_PE = 1
306 };
307 
308 enum OpalPeltvAction {
309 	OPAL_REMOVE_PE_FROM_DOMAIN = 0,
310 	OPAL_ADD_PE_TO_DOMAIN = 1
311 };
312 
313 enum OpalMveEnableAction {
314 	OPAL_DISABLE_MVE = 0,
315 	OPAL_ENABLE_MVE = 1
316 };
317 
318 enum OpalM64Action {
319 	OPAL_DISABLE_M64 = 0,
320 	OPAL_ENABLE_M64_SPLIT = 1,
321 	OPAL_ENABLE_M64_NON_SPLIT = 2
322 };
323 
324 enum OpalPciResetScope {
325 	OPAL_RESET_PHB_COMPLETE		= 1,
326 	OPAL_RESET_PCI_LINK		= 2,
327 	OPAL_RESET_PHB_ERROR		= 3,
328 	OPAL_RESET_PCI_HOT		= 4,
329 	OPAL_RESET_PCI_FUNDAMENTAL	= 5,
330 	OPAL_RESET_PCI_IODA_TABLE	= 6
331 };
332 
333 enum OpalPciReinitScope {
334 	/*
335 	 * Note: we chose values that do not overlap
336 	 * OpalPciResetScope as OPAL v2 used the same
337 	 * enum for both
338 	 */
339 	OPAL_REINIT_PCI_DEV = 1000
340 };
341 
342 enum OpalPciResetState {
343 	OPAL_DEASSERT_RESET = 0,
344 	OPAL_ASSERT_RESET   = 1
345 };
346 
347 enum OpalSlotLedType {
348 	OPAL_SLOT_LED_TYPE_ID = 0,	/* IDENTIFY LED */
349 	OPAL_SLOT_LED_TYPE_FAULT = 1,	/* FAULT LED */
350 	OPAL_SLOT_LED_TYPE_ATTN = 2,	/* System Attention LED */
351 	OPAL_SLOT_LED_TYPE_MAX = 3
352 };
353 
354 enum OpalSlotLedState {
355 	OPAL_SLOT_LED_STATE_OFF = 0,	/* LED is OFF */
356 	OPAL_SLOT_LED_STATE_ON = 1	/* LED is ON */
357 };
358 
359 /*
360  * Address cycle types for LPC accesses. These also correspond
361  * to the content of the first cell of the "reg" property for
362  * device nodes on the LPC bus
363  */
364 enum OpalLPCAddressType {
365 	OPAL_LPC_MEM	= 0,
366 	OPAL_LPC_IO	= 1,
367 	OPAL_LPC_FW	= 2,
368 };
369 
370 enum opal_msg_type {
371 	OPAL_MSG_ASYNC_COMP = 0,	/* params[0] = token, params[1] = rc,
372 					 * additional params function-specific
373 					 */
374 	OPAL_MSG_MEM_ERR,
375 	OPAL_MSG_EPOW,
376 	OPAL_MSG_SHUTDOWN,		/* params[0] = 1 reboot, 0 shutdown */
377 	OPAL_MSG_HMI_EVT,
378 	OPAL_MSG_DPO,
379 	OPAL_MSG_PRD,
380 	OPAL_MSG_OCC,
381 	OPAL_MSG_TYPE_MAX,
382 };
383 
384 struct opal_msg {
385 	__be32 msg_type;
386 	__be32 reserved;
387 	__be64 params[8];
388 };
389 
390 /* System parameter permission */
391 enum OpalSysparamPerm {
392 	OPAL_SYSPARAM_READ  = 0x1,
393 	OPAL_SYSPARAM_WRITE = 0x2,
394 	OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
395 };
396 
397 enum {
398 	OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
399 };
400 
401 struct opal_ipmi_msg {
402 	uint8_t version;
403 	uint8_t netfn;
404 	uint8_t cmd;
405 	uint8_t data[];
406 };
407 
408 /* FSP memory errors handling */
409 enum OpalMemErr_Version {
410 	OpalMemErr_V1 = 1,
411 };
412 
413 enum OpalMemErrType {
414 	OPAL_MEM_ERR_TYPE_RESILIENCE	= 0,
415 	OPAL_MEM_ERR_TYPE_DYN_DALLOC,
416 };
417 
418 /* Memory Reilience error type */
419 enum OpalMemErr_ResilErrType {
420 	OPAL_MEM_RESILIENCE_CE		= 0,
421 	OPAL_MEM_RESILIENCE_UE,
422 	OPAL_MEM_RESILIENCE_UE_SCRUB,
423 };
424 
425 /* Dynamic Memory Deallocation type */
426 enum OpalMemErr_DynErrType {
427 	OPAL_MEM_DYNAMIC_DEALLOC	= 0,
428 };
429 
430 struct OpalMemoryErrorData {
431 	enum OpalMemErr_Version	version:8;	/* 0x00 */
432 	enum OpalMemErrType	type:8;		/* 0x01 */
433 	__be16			flags;		/* 0x02 */
434 	uint8_t			reserved_1[4];	/* 0x04 */
435 
436 	union {
437 		/* Memory Resilience corrected/uncorrected error info */
438 		struct {
439 			enum OpalMemErr_ResilErrType	resil_err_type:8;
440 			uint8_t				reserved_1[7];
441 			__be64				physical_address_start;
442 			__be64				physical_address_end;
443 		} resilience;
444 		/* Dynamic memory deallocation error info */
445 		struct {
446 			enum OpalMemErr_DynErrType	dyn_err_type:8;
447 			uint8_t				reserved_1[7];
448 			__be64				physical_address_start;
449 			__be64				physical_address_end;
450 		} dyn_dealloc;
451 	} u;
452 };
453 
454 /* HMI interrupt event */
455 enum OpalHMI_Version {
456 	OpalHMIEvt_V1 = 1,
457 	OpalHMIEvt_V2 = 2,
458 };
459 
460 enum OpalHMI_Severity {
461 	OpalHMI_SEV_NO_ERROR = 0,
462 	OpalHMI_SEV_WARNING = 1,
463 	OpalHMI_SEV_ERROR_SYNC = 2,
464 	OpalHMI_SEV_FATAL = 3,
465 };
466 
467 enum OpalHMI_Disposition {
468 	OpalHMI_DISPOSITION_RECOVERED = 0,
469 	OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
470 };
471 
472 enum OpalHMI_ErrType {
473 	OpalHMI_ERROR_MALFUNC_ALERT	= 0,
474 	OpalHMI_ERROR_PROC_RECOV_DONE,
475 	OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
476 	OpalHMI_ERROR_PROC_RECOV_MASKED,
477 	OpalHMI_ERROR_TFAC,
478 	OpalHMI_ERROR_TFMR_PARITY,
479 	OpalHMI_ERROR_HA_OVERFLOW_WARN,
480 	OpalHMI_ERROR_XSCOM_FAIL,
481 	OpalHMI_ERROR_XSCOM_DONE,
482 	OpalHMI_ERROR_SCOM_FIR,
483 	OpalHMI_ERROR_DEBUG_TRIG_FIR,
484 	OpalHMI_ERROR_HYP_RESOURCE,
485 	OpalHMI_ERROR_CAPP_RECOVERY,
486 };
487 
488 enum OpalHMI_XstopType {
489 	CHECKSTOP_TYPE_UNKNOWN	=	0,
490 	CHECKSTOP_TYPE_CORE	=	1,
491 	CHECKSTOP_TYPE_NX	=	2,
492 };
493 
494 enum OpalHMI_CoreXstopReason {
495 	CORE_CHECKSTOP_IFU_REGFILE		= 0x00000001,
496 	CORE_CHECKSTOP_IFU_LOGIC		= 0x00000002,
497 	CORE_CHECKSTOP_PC_DURING_RECOV		= 0x00000004,
498 	CORE_CHECKSTOP_ISU_REGFILE		= 0x00000008,
499 	CORE_CHECKSTOP_ISU_LOGIC		= 0x00000010,
500 	CORE_CHECKSTOP_FXU_LOGIC		= 0x00000020,
501 	CORE_CHECKSTOP_VSU_LOGIC		= 0x00000040,
502 	CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE	= 0x00000080,
503 	CORE_CHECKSTOP_LSU_REGFILE		= 0x00000100,
504 	CORE_CHECKSTOP_PC_FWD_PROGRESS		= 0x00000200,
505 	CORE_CHECKSTOP_LSU_LOGIC		= 0x00000400,
506 	CORE_CHECKSTOP_PC_LOGIC			= 0x00000800,
507 	CORE_CHECKSTOP_PC_HYP_RESOURCE		= 0x00001000,
508 	CORE_CHECKSTOP_PC_HANG_RECOV_FAILED	= 0x00002000,
509 	CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED	= 0x00004000,
510 	CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ	= 0x00008000,
511 	CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ	= 0x00010000,
512 };
513 
514 enum OpalHMI_NestAccelXstopReason {
515 	NX_CHECKSTOP_SHM_INVAL_STATE_ERR	= 0x00000001,
516 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1	= 0x00000002,
517 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2	= 0x00000004,
518 	NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR	= 0x00000008,
519 	NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR	= 0x00000010,
520 	NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR	= 0x00000020,
521 	NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR	= 0x00000040,
522 	NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR	= 0x00000080,
523 	NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR	= 0x00000100,
524 	NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR	= 0x00000200,
525 	NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR	= 0x00000400,
526 	NX_CHECKSTOP_DMA_CRB_UE			= 0x00000800,
527 	NX_CHECKSTOP_DMA_CRB_SUE		= 0x00001000,
528 	NX_CHECKSTOP_PBI_ISN_UE			= 0x00002000,
529 };
530 
531 struct OpalHMIEvent {
532 	uint8_t		version;	/* 0x00 */
533 	uint8_t		severity;	/* 0x01 */
534 	uint8_t		type;		/* 0x02 */
535 	uint8_t		disposition;	/* 0x03 */
536 	uint8_t		reserved_1[4];	/* 0x04 */
537 
538 	__be64		hmer;
539 	/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
540 	__be64		tfmr;
541 
542 	/* version 2 and later */
543 	union {
544 		/*
545 		 * checkstop info (Core/NX).
546 		 * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
547 		 */
548 		struct {
549 			uint8_t	xstop_type;	/* enum OpalHMI_XstopType */
550 			uint8_t reserved_1[3];
551 			__be32  xstop_reason;
552 			union {
553 				__be32 pir;	/* for CHECKSTOP_TYPE_CORE */
554 				__be32 chip_id;	/* for CHECKSTOP_TYPE_NX */
555 			} u;
556 		} xstop_error;
557 	} u;
558 };
559 
560 enum {
561 	OPAL_P7IOC_DIAG_TYPE_NONE	= 0,
562 	OPAL_P7IOC_DIAG_TYPE_RGC	= 1,
563 	OPAL_P7IOC_DIAG_TYPE_BI		= 2,
564 	OPAL_P7IOC_DIAG_TYPE_CI		= 3,
565 	OPAL_P7IOC_DIAG_TYPE_MISC	= 4,
566 	OPAL_P7IOC_DIAG_TYPE_I2C	= 5,
567 	OPAL_P7IOC_DIAG_TYPE_LAST	= 6
568 };
569 
570 struct OpalIoP7IOCErrorData {
571 	__be16 type;
572 
573 	/* GEM */
574 	__be64 gemXfir;
575 	__be64 gemRfir;
576 	__be64 gemRirqfir;
577 	__be64 gemMask;
578 	__be64 gemRwof;
579 
580 	/* LEM */
581 	__be64 lemFir;
582 	__be64 lemErrMask;
583 	__be64 lemAction0;
584 	__be64 lemAction1;
585 	__be64 lemWof;
586 
587 	union {
588 		struct OpalIoP7IOCRgcErrorData {
589 			__be64 rgcStatus;	/* 3E1C10 */
590 			__be64 rgcLdcp;		/* 3E1C18 */
591 		}rgc;
592 		struct OpalIoP7IOCBiErrorData {
593 			__be64 biLdcp0;		/* 3C0100, 3C0118 */
594 			__be64 biLdcp1;		/* 3C0108, 3C0120 */
595 			__be64 biLdcp2;		/* 3C0110, 3C0128 */
596 			__be64 biFenceStatus;	/* 3C0130, 3C0130 */
597 
598 			uint8_t biDownbound;	/* BI Downbound or Upbound */
599 		}bi;
600 		struct OpalIoP7IOCCiErrorData {
601 			__be64 ciPortStatus;	/* 3Dn008 */
602 			__be64 ciPortLdcp;	/* 3Dn010 */
603 
604 			uint8_t ciPort;		/* Index of CI port: 0/1 */
605 		}ci;
606 	};
607 };
608 
609 /**
610  * This structure defines the overlay which will be used to store PHB error
611  * data upon request.
612  */
613 enum {
614 	OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
615 };
616 
617 enum {
618 	OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
619 	OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2
620 };
621 
622 enum {
623 	OPAL_P7IOC_NUM_PEST_REGS = 128,
624 	OPAL_PHB3_NUM_PEST_REGS = 256
625 };
626 
627 struct OpalIoPhbErrorCommon {
628 	__be32 version;
629 	__be32 ioType;
630 	__be32 len;
631 };
632 
633 struct OpalIoP7IOCPhbErrorData {
634 	struct OpalIoPhbErrorCommon common;
635 
636 	__be32 brdgCtl;
637 
638 	// P7IOC utl regs
639 	__be32 portStatusReg;
640 	__be32 rootCmplxStatus;
641 	__be32 busAgentStatus;
642 
643 	// P7IOC cfg regs
644 	__be32 deviceStatus;
645 	__be32 slotStatus;
646 	__be32 linkStatus;
647 	__be32 devCmdStatus;
648 	__be32 devSecStatus;
649 
650 	// cfg AER regs
651 	__be32 rootErrorStatus;
652 	__be32 uncorrErrorStatus;
653 	__be32 corrErrorStatus;
654 	__be32 tlpHdr1;
655 	__be32 tlpHdr2;
656 	__be32 tlpHdr3;
657 	__be32 tlpHdr4;
658 	__be32 sourceId;
659 
660 	__be32 rsv3;
661 
662 	// Record data about the call to allocate a buffer.
663 	__be64 errorClass;
664 	__be64 correlator;
665 
666 	//P7IOC MMIO Error Regs
667 	__be64 p7iocPlssr;                // n120
668 	__be64 p7iocCsr;                  // n110
669 	__be64 lemFir;                    // nC00
670 	__be64 lemErrorMask;              // nC18
671 	__be64 lemWOF;                    // nC40
672 	__be64 phbErrorStatus;            // nC80
673 	__be64 phbFirstErrorStatus;       // nC88
674 	__be64 phbErrorLog0;              // nCC0
675 	__be64 phbErrorLog1;              // nCC8
676 	__be64 mmioErrorStatus;           // nD00
677 	__be64 mmioFirstErrorStatus;      // nD08
678 	__be64 mmioErrorLog0;             // nD40
679 	__be64 mmioErrorLog1;             // nD48
680 	__be64 dma0ErrorStatus;           // nD80
681 	__be64 dma0FirstErrorStatus;      // nD88
682 	__be64 dma0ErrorLog0;             // nDC0
683 	__be64 dma0ErrorLog1;             // nDC8
684 	__be64 dma1ErrorStatus;           // nE00
685 	__be64 dma1FirstErrorStatus;      // nE08
686 	__be64 dma1ErrorLog0;             // nE40
687 	__be64 dma1ErrorLog1;             // nE48
688 	__be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
689 	__be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
690 };
691 
692 struct OpalIoPhb3ErrorData {
693 	struct OpalIoPhbErrorCommon common;
694 
695 	__be32 brdgCtl;
696 
697 	/* PHB3 UTL regs */
698 	__be32 portStatusReg;
699 	__be32 rootCmplxStatus;
700 	__be32 busAgentStatus;
701 
702 	/* PHB3 cfg regs */
703 	__be32 deviceStatus;
704 	__be32 slotStatus;
705 	__be32 linkStatus;
706 	__be32 devCmdStatus;
707 	__be32 devSecStatus;
708 
709 	/* cfg AER regs */
710 	__be32 rootErrorStatus;
711 	__be32 uncorrErrorStatus;
712 	__be32 corrErrorStatus;
713 	__be32 tlpHdr1;
714 	__be32 tlpHdr2;
715 	__be32 tlpHdr3;
716 	__be32 tlpHdr4;
717 	__be32 sourceId;
718 
719 	__be32 rsv3;
720 
721 	/* Record data about the call to allocate a buffer */
722 	__be64 errorClass;
723 	__be64 correlator;
724 
725 	/* PHB3 MMIO Error Regs */
726 	__be64 nFir;			/* 000 */
727 	__be64 nFirMask;		/* 003 */
728 	__be64 nFirWOF;		/* 008 */
729 	__be64 phbPlssr;		/* 120 */
730 	__be64 phbCsr;		/* 110 */
731 	__be64 lemFir;		/* C00 */
732 	__be64 lemErrorMask;		/* C18 */
733 	__be64 lemWOF;		/* C40 */
734 	__be64 phbErrorStatus;	/* C80 */
735 	__be64 phbFirstErrorStatus;	/* C88 */
736 	__be64 phbErrorLog0;		/* CC0 */
737 	__be64 phbErrorLog1;		/* CC8 */
738 	__be64 mmioErrorStatus;	/* D00 */
739 	__be64 mmioFirstErrorStatus;	/* D08 */
740 	__be64 mmioErrorLog0;		/* D40 */
741 	__be64 mmioErrorLog1;		/* D48 */
742 	__be64 dma0ErrorStatus;	/* D80 */
743 	__be64 dma0FirstErrorStatus;	/* D88 */
744 	__be64 dma0ErrorLog0;		/* DC0 */
745 	__be64 dma0ErrorLog1;		/* DC8 */
746 	__be64 dma1ErrorStatus;	/* E00 */
747 	__be64 dma1FirstErrorStatus;	/* E08 */
748 	__be64 dma1ErrorLog0;		/* E40 */
749 	__be64 dma1ErrorLog1;		/* E48 */
750 	__be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
751 	__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
752 };
753 
754 enum {
755 	OPAL_REINIT_CPUS_HILE_BE	= (1 << 0),
756 	OPAL_REINIT_CPUS_HILE_LE	= (1 << 1),
757 };
758 
759 typedef struct oppanel_line {
760 	__be64 line;
761 	__be64 line_len;
762 } oppanel_line_t;
763 
764 enum opal_prd_msg_type {
765 	OPAL_PRD_MSG_TYPE_INIT = 0,	/* HBRT --> OPAL */
766 	OPAL_PRD_MSG_TYPE_FINI,		/* HBRT/kernel --> OPAL */
767 	OPAL_PRD_MSG_TYPE_ATTN,		/* HBRT <-- OPAL */
768 	OPAL_PRD_MSG_TYPE_ATTN_ACK,	/* HBRT --> OPAL */
769 	OPAL_PRD_MSG_TYPE_OCC_ERROR,	/* HBRT <-- OPAL */
770 	OPAL_PRD_MSG_TYPE_OCC_RESET,	/* HBRT <-- OPAL */
771 };
772 
773 struct opal_prd_msg_header {
774 	uint8_t		type;
775 	uint8_t		pad[1];
776 	__be16		size;
777 };
778 
779 struct opal_prd_msg;
780 
781 #define OCC_RESET                       0
782 #define OCC_LOAD                        1
783 #define OCC_THROTTLE                    2
784 #define OCC_MAX_THROTTLE_STATUS         5
785 
786 struct opal_occ_msg {
787 	__be64 type;
788 	__be64 chip;
789 	__be64 throttle_status;
790 };
791 
792 /*
793  * SG entries
794  *
795  * WARNING: The current implementation requires each entry
796  * to represent a block that is 4k aligned *and* each block
797  * size except the last one in the list to be as well.
798  */
799 struct opal_sg_entry {
800 	__be64 data;
801 	__be64 length;
802 };
803 
804 /*
805  * Candiate image SG list.
806  *
807  * length = VER | length
808  */
809 struct opal_sg_list {
810 	__be64 length;
811 	__be64 next;
812 	struct opal_sg_entry entry[];
813 };
814 
815 /*
816  * Dump region ID range usable by the OS
817  */
818 #define OPAL_DUMP_REGION_HOST_START		0x80
819 #define OPAL_DUMP_REGION_LOG_BUF		0x80
820 #define OPAL_DUMP_REGION_HOST_END		0xFF
821 
822 /* CAPI modes for PHB */
823 enum {
824 	OPAL_PHB_CAPI_MODE_PCIE		= 0,
825 	OPAL_PHB_CAPI_MODE_CAPI		= 1,
826 	OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
827 	OPAL_PHB_CAPI_MODE_SNOOP_ON	= 3,
828 };
829 
830 /* OPAL I2C request */
831 struct opal_i2c_request {
832 	uint8_t	type;
833 #define OPAL_I2C_RAW_READ	0
834 #define OPAL_I2C_RAW_WRITE	1
835 #define OPAL_I2C_SM_READ	2
836 #define OPAL_I2C_SM_WRITE	3
837 	uint8_t flags;
838 #define OPAL_I2C_ADDR_10	0x01	/* Not supported yet */
839 	uint8_t	subaddr_sz;		/* Max 4 */
840 	uint8_t reserved;
841 	__be16 addr;			/* 7 or 10 bit address */
842 	__be16 reserved2;
843 	__be32 subaddr;		/* Sub-address if any */
844 	__be32 size;			/* Data size */
845 	__be64 buffer_ra;		/* Buffer real address */
846 };
847 
848 /*
849  * EPOW status sharing (OPAL and the host)
850  *
851  * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
852  * with individual elements being 16 bits wide to fetch the system
853  * wide EPOW status. Each element in the buffer will contain the
854  * EPOW status in it's bit representation for a particular EPOW sub
855  * class as defiend here. So multiple detailed EPOW status bits
856  * specific for any sub class can be represented in a single buffer
857  * element as it's bit representation.
858  */
859 
860 /* System EPOW type */
861 enum OpalSysEpow {
862 	OPAL_SYSEPOW_POWER	= 0,	/* Power EPOW */
863 	OPAL_SYSEPOW_TEMP	= 1,	/* Temperature EPOW */
864 	OPAL_SYSEPOW_COOLING	= 2,	/* Cooling EPOW */
865 	OPAL_SYSEPOW_MAX	= 3,	/* Max EPOW categories */
866 };
867 
868 /* Power EPOW */
869 enum OpalSysPower {
870 	OPAL_SYSPOWER_UPS	= 0x0001, /* System on UPS power */
871 	OPAL_SYSPOWER_CHNG	= 0x0002, /* System power config change */
872 	OPAL_SYSPOWER_FAIL	= 0x0004, /* System impending power failure */
873 	OPAL_SYSPOWER_INCL	= 0x0008, /* System incomplete power */
874 };
875 
876 /* Temperature EPOW */
877 enum OpalSysTemp {
878 	OPAL_SYSTEMP_AMB	= 0x0001, /* System over ambient temperature */
879 	OPAL_SYSTEMP_INT	= 0x0002, /* System over internal temperature */
880 	OPAL_SYSTEMP_HMD	= 0x0004, /* System over ambient humidity */
881 };
882 
883 /* Cooling EPOW */
884 enum OpalSysCooling {
885 	OPAL_SYSCOOL_INSF	= 0x0001, /* System insufficient cooling */
886 };
887 
888 /* Argument to OPAL_CEC_REBOOT2() */
889 enum {
890 	OPAL_REBOOT_NORMAL		= 0,
891 	OPAL_REBOOT_PLATFORM_ERROR	= 1,
892 };
893 
894 #endif /* __ASSEMBLY__ */
895 
896 #endif /* __OPAL_API_H */
897