Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[cascardo/linux.git] / arch / powerpc / include / asm / opal-api.h
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_GET_DEVICE_TREE                    118
162 #define OPAL_PCI_GET_PRESENCE_STATE             119
163 #define OPAL_PCI_GET_POWER_STATE                120
164 #define OPAL_PCI_SET_POWER_STATE                121
165 #define OPAL_INT_GET_XIRR                       122
166 #define OPAL_INT_SET_CPPR                       123
167 #define OPAL_INT_EOI                            124
168 #define OPAL_INT_SET_MFRR                       125
169 #define OPAL_PCI_TCE_KILL                       126
170 #define OPAL_LAST                               126
171
172 /* Device tree flags */
173
174 /*
175  * Flags set in power-mgmt nodes in device tree describing
176  * idle states that are supported in the platform.
177  */
178
179 #define OPAL_PM_TIMEBASE_STOP           0x00000002
180 #define OPAL_PM_LOSE_HYP_CONTEXT        0x00002000
181 #define OPAL_PM_LOSE_FULL_CONTEXT       0x00004000
182 #define OPAL_PM_NAP_ENABLED             0x00010000
183 #define OPAL_PM_SLEEP_ENABLED           0x00020000
184 #define OPAL_PM_WINKLE_ENABLED          0x00040000
185 #define OPAL_PM_SLEEP_ENABLED_ER1       0x00080000 /* with workaround */
186 #define OPAL_PM_STOP_INST_FAST          0x00100000
187 #define OPAL_PM_STOP_INST_DEEP          0x00200000
188
189 /*
190  * OPAL_CONFIG_CPU_IDLE_STATE parameters
191  */
192 #define OPAL_CONFIG_IDLE_FASTSLEEP      1
193 #define OPAL_CONFIG_IDLE_UNDO           0
194 #define OPAL_CONFIG_IDLE_APPLY          1
195
196 #ifndef __ASSEMBLY__
197
198 /* Other enums */
199 enum OpalFreezeState {
200         OPAL_EEH_STOPPED_NOT_FROZEN = 0,
201         OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
202         OPAL_EEH_STOPPED_DMA_FREEZE = 2,
203         OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
204         OPAL_EEH_STOPPED_RESET = 4,
205         OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
206         OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
207 };
208
209 enum OpalEehFreezeActionToken {
210         OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
211         OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
212         OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
213
214         OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
215         OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
216         OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
217 };
218
219 enum OpalPciStatusToken {
220         OPAL_EEH_NO_ERROR       = 0,
221         OPAL_EEH_IOC_ERROR      = 1,
222         OPAL_EEH_PHB_ERROR      = 2,
223         OPAL_EEH_PE_ERROR       = 3,
224         OPAL_EEH_PE_MMIO_ERROR  = 4,
225         OPAL_EEH_PE_DMA_ERROR   = 5
226 };
227
228 enum OpalPciErrorSeverity {
229         OPAL_EEH_SEV_NO_ERROR   = 0,
230         OPAL_EEH_SEV_IOC_DEAD   = 1,
231         OPAL_EEH_SEV_PHB_DEAD   = 2,
232         OPAL_EEH_SEV_PHB_FENCED = 3,
233         OPAL_EEH_SEV_PE_ER      = 4,
234         OPAL_EEH_SEV_INF        = 5
235 };
236
237 enum OpalErrinjectType {
238         OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR        = 0,
239         OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64      = 1,
240 };
241
242 enum OpalErrinjectFunc {
243         /* IOA bus specific errors */
244         OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR    = 0,
245         OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA    = 1,
246         OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR     = 2,
247         OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA     = 3,
248         OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR    = 4,
249         OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA    = 5,
250         OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR    = 6,
251         OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA    = 7,
252         OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR     = 8,
253         OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA     = 9,
254         OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR    = 10,
255         OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA    = 11,
256         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR    = 12,
257         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA    = 13,
258         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER  = 14,
259         OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET  = 15,
260         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR    = 16,
261         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA    = 17,
262         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER  = 18,
263         OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET  = 19,
264 };
265
266 enum OpalMmioWindowType {
267         OPAL_M32_WINDOW_TYPE = 1,
268         OPAL_M64_WINDOW_TYPE = 2,
269         OPAL_IO_WINDOW_TYPE  = 3
270 };
271
272 enum OpalExceptionHandler {
273         OPAL_MACHINE_CHECK_HANDLER          = 1,
274         OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
275         OPAL_SOFTPATCH_HANDLER              = 3
276 };
277
278 enum OpalPendingState {
279         OPAL_EVENT_OPAL_INTERNAL   = 0x1,
280         OPAL_EVENT_NVRAM           = 0x2,
281         OPAL_EVENT_RTC             = 0x4,
282         OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
283         OPAL_EVENT_CONSOLE_INPUT   = 0x10,
284         OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
285         OPAL_EVENT_ERROR_LOG       = 0x40,
286         OPAL_EVENT_EPOW            = 0x80,
287         OPAL_EVENT_LED_STATUS      = 0x100,
288         OPAL_EVENT_PCI_ERROR       = 0x200,
289         OPAL_EVENT_DUMP_AVAIL      = 0x400,
290         OPAL_EVENT_MSG_PENDING     = 0x800,
291 };
292
293 enum OpalThreadStatus {
294         OPAL_THREAD_INACTIVE = 0x0,
295         OPAL_THREAD_STARTED = 0x1,
296         OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
297 };
298
299 enum OpalPciBusCompare {
300         OpalPciBusAny   = 0,    /* Any bus number match */
301         OpalPciBus3Bits = 2,    /* Match top 3 bits of bus number */
302         OpalPciBus4Bits = 3,    /* Match top 4 bits of bus number */
303         OpalPciBus5Bits = 4,    /* Match top 5 bits of bus number */
304         OpalPciBus6Bits = 5,    /* Match top 6 bits of bus number */
305         OpalPciBus7Bits = 6,    /* Match top 7 bits of bus number */
306         OpalPciBusAll   = 7,    /* Match bus number exactly */
307 };
308
309 enum OpalDeviceCompare {
310         OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
311         OPAL_COMPARE_RID_DEVICE_NUMBER = 1
312 };
313
314 enum OpalFuncCompare {
315         OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
316         OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
317 };
318
319 enum OpalPeAction {
320         OPAL_UNMAP_PE = 0,
321         OPAL_MAP_PE = 1
322 };
323
324 enum OpalPeltvAction {
325         OPAL_REMOVE_PE_FROM_DOMAIN = 0,
326         OPAL_ADD_PE_TO_DOMAIN = 1
327 };
328
329 enum OpalMveEnableAction {
330         OPAL_DISABLE_MVE = 0,
331         OPAL_ENABLE_MVE = 1
332 };
333
334 enum OpalM64Action {
335         OPAL_DISABLE_M64 = 0,
336         OPAL_ENABLE_M64_SPLIT = 1,
337         OPAL_ENABLE_M64_NON_SPLIT = 2
338 };
339
340 enum OpalPciResetScope {
341         OPAL_RESET_PHB_COMPLETE         = 1,
342         OPAL_RESET_PCI_LINK             = 2,
343         OPAL_RESET_PHB_ERROR            = 3,
344         OPAL_RESET_PCI_HOT              = 4,
345         OPAL_RESET_PCI_FUNDAMENTAL      = 5,
346         OPAL_RESET_PCI_IODA_TABLE       = 6
347 };
348
349 enum OpalPciReinitScope {
350         /*
351          * Note: we chose values that do not overlap
352          * OpalPciResetScope as OPAL v2 used the same
353          * enum for both
354          */
355         OPAL_REINIT_PCI_DEV = 1000
356 };
357
358 enum OpalPciResetState {
359         OPAL_DEASSERT_RESET = 0,
360         OPAL_ASSERT_RESET   = 1
361 };
362
363 enum OpalPciSlotPresence {
364         OPAL_PCI_SLOT_EMPTY     = 0,
365         OPAL_PCI_SLOT_PRESENT   = 1
366 };
367
368 enum OpalPciSlotPower {
369         OPAL_PCI_SLOT_POWER_OFF = 0,
370         OPAL_PCI_SLOT_POWER_ON  = 1,
371         OPAL_PCI_SLOT_OFFLINE   = 2,
372         OPAL_PCI_SLOT_ONLINE    = 3
373 };
374
375 enum OpalSlotLedType {
376         OPAL_SLOT_LED_TYPE_ID = 0,      /* IDENTIFY LED */
377         OPAL_SLOT_LED_TYPE_FAULT = 1,   /* FAULT LED */
378         OPAL_SLOT_LED_TYPE_ATTN = 2,    /* System Attention LED */
379         OPAL_SLOT_LED_TYPE_MAX = 3
380 };
381
382 enum OpalSlotLedState {
383         OPAL_SLOT_LED_STATE_OFF = 0,    /* LED is OFF */
384         OPAL_SLOT_LED_STATE_ON = 1      /* LED is ON */
385 };
386
387 /*
388  * Address cycle types for LPC accesses. These also correspond
389  * to the content of the first cell of the "reg" property for
390  * device nodes on the LPC bus
391  */
392 enum OpalLPCAddressType {
393         OPAL_LPC_MEM    = 0,
394         OPAL_LPC_IO     = 1,
395         OPAL_LPC_FW     = 2,
396 };
397
398 enum opal_msg_type {
399         OPAL_MSG_ASYNC_COMP     = 0,    /* params[0] = token, params[1] = rc,
400                                          * additional params function-specific
401                                          */
402         OPAL_MSG_MEM_ERR        = 1,
403         OPAL_MSG_EPOW           = 2,
404         OPAL_MSG_SHUTDOWN       = 3,    /* params[0] = 1 reboot, 0 shutdown */
405         OPAL_MSG_HMI_EVT        = 4,
406         OPAL_MSG_DPO            = 5,
407         OPAL_MSG_PRD            = 6,
408         OPAL_MSG_OCC            = 7,
409         OPAL_MSG_TYPE_MAX,
410 };
411
412 struct opal_msg {
413         __be32 msg_type;
414         __be32 reserved;
415         __be64 params[8];
416 };
417
418 /* System parameter permission */
419 enum OpalSysparamPerm {
420         OPAL_SYSPARAM_READ  = 0x1,
421         OPAL_SYSPARAM_WRITE = 0x2,
422         OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
423 };
424
425 enum {
426         OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
427 };
428
429 struct opal_ipmi_msg {
430         uint8_t version;
431         uint8_t netfn;
432         uint8_t cmd;
433         uint8_t data[];
434 };
435
436 /* FSP memory errors handling */
437 enum OpalMemErr_Version {
438         OpalMemErr_V1 = 1,
439 };
440
441 enum OpalMemErrType {
442         OPAL_MEM_ERR_TYPE_RESILIENCE    = 0,
443         OPAL_MEM_ERR_TYPE_DYN_DALLOC,
444 };
445
446 /* Memory Reilience error type */
447 enum OpalMemErr_ResilErrType {
448         OPAL_MEM_RESILIENCE_CE          = 0,
449         OPAL_MEM_RESILIENCE_UE,
450         OPAL_MEM_RESILIENCE_UE_SCRUB,
451 };
452
453 /* Dynamic Memory Deallocation type */
454 enum OpalMemErr_DynErrType {
455         OPAL_MEM_DYNAMIC_DEALLOC        = 0,
456 };
457
458 struct OpalMemoryErrorData {
459         enum OpalMemErr_Version version:8;      /* 0x00 */
460         enum OpalMemErrType     type:8;         /* 0x01 */
461         __be16                  flags;          /* 0x02 */
462         uint8_t                 reserved_1[4];  /* 0x04 */
463
464         union {
465                 /* Memory Resilience corrected/uncorrected error info */
466                 struct {
467                         enum OpalMemErr_ResilErrType    resil_err_type:8;
468                         uint8_t                         reserved_1[7];
469                         __be64                          physical_address_start;
470                         __be64                          physical_address_end;
471                 } resilience;
472                 /* Dynamic memory deallocation error info */
473                 struct {
474                         enum OpalMemErr_DynErrType      dyn_err_type:8;
475                         uint8_t                         reserved_1[7];
476                         __be64                          physical_address_start;
477                         __be64                          physical_address_end;
478                 } dyn_dealloc;
479         } u;
480 };
481
482 /* HMI interrupt event */
483 enum OpalHMI_Version {
484         OpalHMIEvt_V1 = 1,
485         OpalHMIEvt_V2 = 2,
486 };
487
488 enum OpalHMI_Severity {
489         OpalHMI_SEV_NO_ERROR = 0,
490         OpalHMI_SEV_WARNING = 1,
491         OpalHMI_SEV_ERROR_SYNC = 2,
492         OpalHMI_SEV_FATAL = 3,
493 };
494
495 enum OpalHMI_Disposition {
496         OpalHMI_DISPOSITION_RECOVERED = 0,
497         OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
498 };
499
500 enum OpalHMI_ErrType {
501         OpalHMI_ERROR_MALFUNC_ALERT     = 0,
502         OpalHMI_ERROR_PROC_RECOV_DONE,
503         OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
504         OpalHMI_ERROR_PROC_RECOV_MASKED,
505         OpalHMI_ERROR_TFAC,
506         OpalHMI_ERROR_TFMR_PARITY,
507         OpalHMI_ERROR_HA_OVERFLOW_WARN,
508         OpalHMI_ERROR_XSCOM_FAIL,
509         OpalHMI_ERROR_XSCOM_DONE,
510         OpalHMI_ERROR_SCOM_FIR,
511         OpalHMI_ERROR_DEBUG_TRIG_FIR,
512         OpalHMI_ERROR_HYP_RESOURCE,
513         OpalHMI_ERROR_CAPP_RECOVERY,
514 };
515
516 enum OpalHMI_XstopType {
517         CHECKSTOP_TYPE_UNKNOWN  =       0,
518         CHECKSTOP_TYPE_CORE     =       1,
519         CHECKSTOP_TYPE_NX       =       2,
520 };
521
522 enum OpalHMI_CoreXstopReason {
523         CORE_CHECKSTOP_IFU_REGFILE              = 0x00000001,
524         CORE_CHECKSTOP_IFU_LOGIC                = 0x00000002,
525         CORE_CHECKSTOP_PC_DURING_RECOV          = 0x00000004,
526         CORE_CHECKSTOP_ISU_REGFILE              = 0x00000008,
527         CORE_CHECKSTOP_ISU_LOGIC                = 0x00000010,
528         CORE_CHECKSTOP_FXU_LOGIC                = 0x00000020,
529         CORE_CHECKSTOP_VSU_LOGIC                = 0x00000040,
530         CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE   = 0x00000080,
531         CORE_CHECKSTOP_LSU_REGFILE              = 0x00000100,
532         CORE_CHECKSTOP_PC_FWD_PROGRESS          = 0x00000200,
533         CORE_CHECKSTOP_LSU_LOGIC                = 0x00000400,
534         CORE_CHECKSTOP_PC_LOGIC                 = 0x00000800,
535         CORE_CHECKSTOP_PC_HYP_RESOURCE          = 0x00001000,
536         CORE_CHECKSTOP_PC_HANG_RECOV_FAILED     = 0x00002000,
537         CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED    = 0x00004000,
538         CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ    = 0x00008000,
539         CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ      = 0x00010000,
540 };
541
542 enum OpalHMI_NestAccelXstopReason {
543         NX_CHECKSTOP_SHM_INVAL_STATE_ERR        = 0x00000001,
544         NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1      = 0x00000002,
545         NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2      = 0x00000004,
546         NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR    = 0x00000008,
547         NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR    = 0x00000010,
548         NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR    = 0x00000020,
549         NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR    = 0x00000040,
550         NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR    = 0x00000080,
551         NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR    = 0x00000100,
552         NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR    = 0x00000200,
553         NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR    = 0x00000400,
554         NX_CHECKSTOP_DMA_CRB_UE                 = 0x00000800,
555         NX_CHECKSTOP_DMA_CRB_SUE                = 0x00001000,
556         NX_CHECKSTOP_PBI_ISN_UE                 = 0x00002000,
557 };
558
559 struct OpalHMIEvent {
560         uint8_t         version;        /* 0x00 */
561         uint8_t         severity;       /* 0x01 */
562         uint8_t         type;           /* 0x02 */
563         uint8_t         disposition;    /* 0x03 */
564         uint8_t         reserved_1[4];  /* 0x04 */
565
566         __be64          hmer;
567         /* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
568         __be64          tfmr;
569
570         /* version 2 and later */
571         union {
572                 /*
573                  * checkstop info (Core/NX).
574                  * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
575                  */
576                 struct {
577                         uint8_t xstop_type;     /* enum OpalHMI_XstopType */
578                         uint8_t reserved_1[3];
579                         __be32  xstop_reason;
580                         union {
581                                 __be32 pir;     /* for CHECKSTOP_TYPE_CORE */
582                                 __be32 chip_id; /* for CHECKSTOP_TYPE_NX */
583                         } u;
584                 } xstop_error;
585         } u;
586 };
587
588 enum {
589         OPAL_P7IOC_DIAG_TYPE_NONE       = 0,
590         OPAL_P7IOC_DIAG_TYPE_RGC        = 1,
591         OPAL_P7IOC_DIAG_TYPE_BI         = 2,
592         OPAL_P7IOC_DIAG_TYPE_CI         = 3,
593         OPAL_P7IOC_DIAG_TYPE_MISC       = 4,
594         OPAL_P7IOC_DIAG_TYPE_I2C        = 5,
595         OPAL_P7IOC_DIAG_TYPE_LAST       = 6
596 };
597
598 struct OpalIoP7IOCErrorData {
599         __be16 type;
600
601         /* GEM */
602         __be64 gemXfir;
603         __be64 gemRfir;
604         __be64 gemRirqfir;
605         __be64 gemMask;
606         __be64 gemRwof;
607
608         /* LEM */
609         __be64 lemFir;
610         __be64 lemErrMask;
611         __be64 lemAction0;
612         __be64 lemAction1;
613         __be64 lemWof;
614
615         union {
616                 struct OpalIoP7IOCRgcErrorData {
617                         __be64 rgcStatus;       /* 3E1C10 */
618                         __be64 rgcLdcp;         /* 3E1C18 */
619                 }rgc;
620                 struct OpalIoP7IOCBiErrorData {
621                         __be64 biLdcp0;         /* 3C0100, 3C0118 */
622                         __be64 biLdcp1;         /* 3C0108, 3C0120 */
623                         __be64 biLdcp2;         /* 3C0110, 3C0128 */
624                         __be64 biFenceStatus;   /* 3C0130, 3C0130 */
625
626                         uint8_t biDownbound;    /* BI Downbound or Upbound */
627                 }bi;
628                 struct OpalIoP7IOCCiErrorData {
629                         __be64 ciPortStatus;    /* 3Dn008 */
630                         __be64 ciPortLdcp;      /* 3Dn010 */
631
632                         uint8_t ciPort;         /* Index of CI port: 0/1 */
633                 }ci;
634         };
635 };
636
637 /**
638  * This structure defines the overlay which will be used to store PHB error
639  * data upon request.
640  */
641 enum {
642         OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
643 };
644
645 enum {
646         OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
647         OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2
648 };
649
650 enum {
651         OPAL_P7IOC_NUM_PEST_REGS = 128,
652         OPAL_PHB3_NUM_PEST_REGS = 256
653 };
654
655 struct OpalIoPhbErrorCommon {
656         __be32 version;
657         __be32 ioType;
658         __be32 len;
659 };
660
661 struct OpalIoP7IOCPhbErrorData {
662         struct OpalIoPhbErrorCommon common;
663
664         __be32 brdgCtl;
665
666         // P7IOC utl regs
667         __be32 portStatusReg;
668         __be32 rootCmplxStatus;
669         __be32 busAgentStatus;
670
671         // P7IOC cfg regs
672         __be32 deviceStatus;
673         __be32 slotStatus;
674         __be32 linkStatus;
675         __be32 devCmdStatus;
676         __be32 devSecStatus;
677
678         // cfg AER regs
679         __be32 rootErrorStatus;
680         __be32 uncorrErrorStatus;
681         __be32 corrErrorStatus;
682         __be32 tlpHdr1;
683         __be32 tlpHdr2;
684         __be32 tlpHdr3;
685         __be32 tlpHdr4;
686         __be32 sourceId;
687
688         __be32 rsv3;
689
690         // Record data about the call to allocate a buffer.
691         __be64 errorClass;
692         __be64 correlator;
693
694         //P7IOC MMIO Error Regs
695         __be64 p7iocPlssr;                // n120
696         __be64 p7iocCsr;                  // n110
697         __be64 lemFir;                    // nC00
698         __be64 lemErrorMask;              // nC18
699         __be64 lemWOF;                    // nC40
700         __be64 phbErrorStatus;            // nC80
701         __be64 phbFirstErrorStatus;       // nC88
702         __be64 phbErrorLog0;              // nCC0
703         __be64 phbErrorLog1;              // nCC8
704         __be64 mmioErrorStatus;           // nD00
705         __be64 mmioFirstErrorStatus;      // nD08
706         __be64 mmioErrorLog0;             // nD40
707         __be64 mmioErrorLog1;             // nD48
708         __be64 dma0ErrorStatus;           // nD80
709         __be64 dma0FirstErrorStatus;      // nD88
710         __be64 dma0ErrorLog0;             // nDC0
711         __be64 dma0ErrorLog1;             // nDC8
712         __be64 dma1ErrorStatus;           // nE00
713         __be64 dma1FirstErrorStatus;      // nE08
714         __be64 dma1ErrorLog0;             // nE40
715         __be64 dma1ErrorLog1;             // nE48
716         __be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
717         __be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
718 };
719
720 struct OpalIoPhb3ErrorData {
721         struct OpalIoPhbErrorCommon common;
722
723         __be32 brdgCtl;
724
725         /* PHB3 UTL regs */
726         __be32 portStatusReg;
727         __be32 rootCmplxStatus;
728         __be32 busAgentStatus;
729
730         /* PHB3 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         /* PHB3 MMIO Error Regs */
754         __be64 nFir;                    /* 000 */
755         __be64 nFirMask;                /* 003 */
756         __be64 nFirWOF;         /* 008 */
757         __be64 phbPlssr;                /* 120 */
758         __be64 phbCsr;          /* 110 */
759         __be64 lemFir;          /* C00 */
760         __be64 lemErrorMask;            /* C18 */
761         __be64 lemWOF;          /* C40 */
762         __be64 phbErrorStatus;  /* C80 */
763         __be64 phbFirstErrorStatus;     /* C88 */
764         __be64 phbErrorLog0;            /* CC0 */
765         __be64 phbErrorLog1;            /* CC8 */
766         __be64 mmioErrorStatus; /* D00 */
767         __be64 mmioFirstErrorStatus;    /* D08 */
768         __be64 mmioErrorLog0;           /* D40 */
769         __be64 mmioErrorLog1;           /* D48 */
770         __be64 dma0ErrorStatus; /* D80 */
771         __be64 dma0FirstErrorStatus;    /* D88 */
772         __be64 dma0ErrorLog0;           /* DC0 */
773         __be64 dma0ErrorLog1;           /* DC8 */
774         __be64 dma1ErrorStatus; /* E00 */
775         __be64 dma1FirstErrorStatus;    /* E08 */
776         __be64 dma1ErrorLog0;           /* E40 */
777         __be64 dma1ErrorLog1;           /* E48 */
778         __be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
779         __be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
780 };
781
782 enum {
783         OPAL_REINIT_CPUS_HILE_BE        = (1 << 0),
784         OPAL_REINIT_CPUS_HILE_LE        = (1 << 1),
785 };
786
787 typedef struct oppanel_line {
788         __be64 line;
789         __be64 line_len;
790 } oppanel_line_t;
791
792 enum opal_prd_msg_type {
793         OPAL_PRD_MSG_TYPE_INIT = 0,     /* HBRT --> OPAL */
794         OPAL_PRD_MSG_TYPE_FINI,         /* HBRT/kernel --> OPAL */
795         OPAL_PRD_MSG_TYPE_ATTN,         /* HBRT <-- OPAL */
796         OPAL_PRD_MSG_TYPE_ATTN_ACK,     /* HBRT --> OPAL */
797         OPAL_PRD_MSG_TYPE_OCC_ERROR,    /* HBRT <-- OPAL */
798         OPAL_PRD_MSG_TYPE_OCC_RESET,    /* HBRT <-- OPAL */
799 };
800
801 struct opal_prd_msg_header {
802         uint8_t         type;
803         uint8_t         pad[1];
804         __be16          size;
805 };
806
807 struct opal_prd_msg;
808
809 #define OCC_RESET                       0
810 #define OCC_LOAD                        1
811 #define OCC_THROTTLE                    2
812 #define OCC_MAX_THROTTLE_STATUS         5
813
814 struct opal_occ_msg {
815         __be64 type;
816         __be64 chip;
817         __be64 throttle_status;
818 };
819
820 /*
821  * SG entries
822  *
823  * WARNING: The current implementation requires each entry
824  * to represent a block that is 4k aligned *and* each block
825  * size except the last one in the list to be as well.
826  */
827 struct opal_sg_entry {
828         __be64 data;
829         __be64 length;
830 };
831
832 /*
833  * Candidate image SG list.
834  *
835  * length = VER | length
836  */
837 struct opal_sg_list {
838         __be64 length;
839         __be64 next;
840         struct opal_sg_entry entry[];
841 };
842
843 /*
844  * Dump region ID range usable by the OS
845  */
846 #define OPAL_DUMP_REGION_HOST_START             0x80
847 #define OPAL_DUMP_REGION_LOG_BUF                0x80
848 #define OPAL_DUMP_REGION_HOST_END               0xFF
849
850 /* CAPI modes for PHB */
851 enum {
852         OPAL_PHB_CAPI_MODE_PCIE         = 0,
853         OPAL_PHB_CAPI_MODE_CAPI         = 1,
854         OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
855         OPAL_PHB_CAPI_MODE_SNOOP_ON     = 3,
856         OPAL_PHB_CAPI_MODE_DMA          = 4,
857 };
858
859 /* OPAL I2C request */
860 struct opal_i2c_request {
861         uint8_t type;
862 #define OPAL_I2C_RAW_READ       0
863 #define OPAL_I2C_RAW_WRITE      1
864 #define OPAL_I2C_SM_READ        2
865 #define OPAL_I2C_SM_WRITE       3
866         uint8_t flags;
867 #define OPAL_I2C_ADDR_10        0x01    /* Not supported yet */
868         uint8_t subaddr_sz;             /* Max 4 */
869         uint8_t reserved;
870         __be16 addr;                    /* 7 or 10 bit address */
871         __be16 reserved2;
872         __be32 subaddr;         /* Sub-address if any */
873         __be32 size;                    /* Data size */
874         __be64 buffer_ra;               /* Buffer real address */
875 };
876
877 /*
878  * EPOW status sharing (OPAL and the host)
879  *
880  * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
881  * with individual elements being 16 bits wide to fetch the system
882  * wide EPOW status. Each element in the buffer will contain the
883  * EPOW status in it's bit representation for a particular EPOW sub
884  * class as defined here. So multiple detailed EPOW status bits
885  * specific for any sub class can be represented in a single buffer
886  * element as it's bit representation.
887  */
888
889 /* System EPOW type */
890 enum OpalSysEpow {
891         OPAL_SYSEPOW_POWER      = 0,    /* Power EPOW */
892         OPAL_SYSEPOW_TEMP       = 1,    /* Temperature EPOW */
893         OPAL_SYSEPOW_COOLING    = 2,    /* Cooling EPOW */
894         OPAL_SYSEPOW_MAX        = 3,    /* Max EPOW categories */
895 };
896
897 /* Power EPOW */
898 enum OpalSysPower {
899         OPAL_SYSPOWER_UPS       = 0x0001, /* System on UPS power */
900         OPAL_SYSPOWER_CHNG      = 0x0002, /* System power config change */
901         OPAL_SYSPOWER_FAIL      = 0x0004, /* System impending power failure */
902         OPAL_SYSPOWER_INCL      = 0x0008, /* System incomplete power */
903 };
904
905 /* Temperature EPOW */
906 enum OpalSysTemp {
907         OPAL_SYSTEMP_AMB        = 0x0001, /* System over ambient temperature */
908         OPAL_SYSTEMP_INT        = 0x0002, /* System over internal temperature */
909         OPAL_SYSTEMP_HMD        = 0x0004, /* System over ambient humidity */
910 };
911
912 /* Cooling EPOW */
913 enum OpalSysCooling {
914         OPAL_SYSCOOL_INSF       = 0x0001, /* System insufficient cooling */
915 };
916
917 /* Argument to OPAL_CEC_REBOOT2() */
918 enum {
919         OPAL_REBOOT_NORMAL              = 0,
920         OPAL_REBOOT_PLATFORM_ERROR      = 1,
921 };
922
923 /* Argument to OPAL_PCI_TCE_KILL */
924 enum {
925         OPAL_PCI_TCE_KILL_PAGES,
926         OPAL_PCI_TCE_KILL_PE,
927         OPAL_PCI_TCE_KILL_ALL,
928 };
929
930 #endif /* __ASSEMBLY__ */
931
932 #endif /* __OPAL_API_H */