summaryrefslogtreecommitdiff
path: root/include/acpi/actbl3.h
blob: c080d579a54624af1c412ce2f388db0b1f3248bd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
 *
 * Name: actbl3.h - ACPI Table Definitions
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#ifndef __ACTBL3_H__
#define __ACTBL3_H__

/*******************************************************************************
 *
 * Additional ACPI Tables
 *
 * These tables are not consumed directly by the ACPICA subsystem, but are
 * included here to support device drivers and the AML disassembler.
 *
 ******************************************************************************/

/*
 * Values for description table header signatures for tables defined in this
 * file. Useful because they make it more difficult to inadvertently type in
 * the wrong signature.
 */
#define ACPI_SIG_SLIC           "SLIC"	/* Software Licensing Description Table */
#define ACPI_SIG_SLIT           "SLIT"	/* System Locality Distance Information Table */
#define ACPI_SIG_SPCR           "SPCR"	/* Serial Port Console Redirection table */
#define ACPI_SIG_SPMI           "SPMI"	/* Server Platform Management Interface table */
#define ACPI_SIG_SRAT           "SRAT"	/* System Resource Affinity Table */
#define ACPI_SIG_STAO           "STAO"	/* Status Override table */
#define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
#define ACPI_SIG_TPM2           "TPM2"	/* Trusted Platform Module 2.0 H/W interface table */
#define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
#define ACPI_SIG_VIOT           "VIOT"	/* Virtual I/O Translation Table */
#define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */
#define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
#define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
#define ACPI_SIG_WDRT           "WDRT"	/* Watchdog Resource Table */
#define ACPI_SIG_WPBT           "WPBT"	/* Windows Platform Binary Table */
#define ACPI_SIG_WSMT           "WSMT"	/* Windows SMM Security Mitigations Table */
#define ACPI_SIG_XENV           "XENV"	/* Xen Environment table */
#define ACPI_SIG_XXXX           "XXXX"	/* Intermediate AML header for ASL/ASL+ converter */

/*
 * All tables must be byte-packed to match the ACPI specification, since
 * the tables are provided by the system BIOS.
 */
#pragma pack(1)

/*
 * Note: C bitfields are not used for this reason:
 *
 * "Bitfields are great and easy to read, but unfortunately the C language
 * does not specify the layout of bitfields in memory, which means they are
 * essentially useless for dealing with packed data in on-disk formats or
 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
 * this decision was a design error in C. Ritchie could have picked an order
 * and stuck with it." Norman Ramsey.
 * See http://stackoverflow.com/a/1053662/41661
 */

/*******************************************************************************
 *
 * SLIC - Software Licensing Description Table
 *
 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
 * November 29, 2011. Copyright 2011 Microsoft
 *
 ******************************************************************************/

/* Basic SLIC table is only the common ACPI header */

struct acpi_table_slic {
	struct acpi_table_header header;	/* Common ACPI table header */
};

/*******************************************************************************
 *
 * SLIT - System Locality Distance Information Table
 *        Version 1
 *
 ******************************************************************************/

struct acpi_table_slit {
	struct acpi_table_header header;	/* Common ACPI table header */
	u64 locality_count;
	u8 entry[];				/* Real size = localities^2 */
};

/*******************************************************************************
 *
 * SPCR - Serial Port Console Redirection table
 *        Version 2
 *
 * Conforms to "Serial Port Console Redirection Table",
 * Version 1.03, August 10, 2015
 *
 ******************************************************************************/

struct acpi_table_spcr {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 interface_type;	/* 0=full 16550, 1=subset of 16550 */
	u8 reserved[3];
	struct acpi_generic_address serial_port;
	u8 interrupt_type;
	u8 pc_interrupt;
	u32 interrupt;
	u8 baud_rate;
	u8 parity;
	u8 stop_bits;
	u8 flow_control;
	u8 terminal_type;
	u8 reserved1;
	u16 pci_device_id;
	u16 pci_vendor_id;
	u8 pci_bus;
	u8 pci_device;
	u8 pci_function;
	u32 pci_flags;
	u8 pci_segment;
	u32 reserved2;
};

/* Masks for pci_flags field above */

#define ACPI_SPCR_DO_NOT_DISABLE    (1)

/* Values for Interface Type: See the definition of the DBG2 table */

/*******************************************************************************
 *
 * SPMI - Server Platform Management Interface table
 *        Version 5
 *
 * Conforms to "Intelligent Platform Management Interface Specification
 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
 * June 12, 2009 markup.
 *
 ******************************************************************************/

struct acpi_table_spmi {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 interface_type;
	u8 reserved;		/* Must be 1 */
	u16 spec_revision;	/* Version of IPMI */
	u8 interrupt_type;
	u8 gpe_number;		/* GPE assigned */
	u8 reserved1;
	u8 pci_device_flag;
	u32 interrupt;
	struct acpi_generic_address ipmi_register;
	u8 pci_segment;
	u8 pci_bus;
	u8 pci_device;
	u8 pci_function;
	u8 reserved2;
};

/* Values for interface_type above */

enum acpi_spmi_interface_types {
	ACPI_SPMI_NOT_USED = 0,
	ACPI_SPMI_KEYBOARD = 1,
	ACPI_SPMI_SMI = 2,
	ACPI_SPMI_BLOCK_TRANSFER = 3,
	ACPI_SPMI_SMBUS = 4,
	ACPI_SPMI_RESERVED = 5	/* 5 and above are reserved */
};

/*******************************************************************************
 *
 * SRAT - System Resource Affinity Table
 *        Version 3
 *
 ******************************************************************************/

struct acpi_table_srat {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 table_revision;	/* Must be value '1' */
	u64 reserved;		/* Reserved, must be zero */
};

/* Values for subtable type in struct acpi_subtable_header */

enum acpi_srat_type {
	ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
	ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
	ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
	ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4,	/* ACPI 6.2 */
	ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5,	/* ACPI 6.3 */
	ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6,	/* ACPI 6.4 */
	ACPI_SRAT_TYPE_RESERVED = 7	/* 7 and greater are reserved */
};

/*
 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
 */

/* 0: Processor Local APIC/SAPIC Affinity */

struct acpi_srat_cpu_affinity {
	struct acpi_subtable_header header;
	u8 proximity_domain_lo;
	u8 apic_id;
	u32 flags;
	u8 local_sapic_eid;
	u8 proximity_domain_hi[3];
	u32 clock_domain;
};

/* Flags */

#define ACPI_SRAT_CPU_USE_AFFINITY  (1)	/* 00: Use affinity structure */

/* 1: Memory Affinity */

struct acpi_srat_mem_affinity {
	struct acpi_subtable_header header;
	u32 proximity_domain;
	u16 reserved;		/* Reserved, must be zero */
	u64 base_address;
	u64 length;
	u32 reserved1;
	u32 flags;
	u64 reserved2;		/* Reserved, must be zero */
};

/* Flags */

#define ACPI_SRAT_MEM_ENABLED       (1)	/* 00: Use affinity structure */
#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
#define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */

/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */

struct acpi_srat_x2apic_cpu_affinity {
	struct acpi_subtable_header header;
	u16 reserved;		/* Reserved, must be zero */
	u32 proximity_domain;
	u32 apic_id;
	u32 flags;
	u32 clock_domain;
	u32 reserved2;
};

/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */

#define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */

/* 3: GICC Affinity (ACPI 5.1) */

struct acpi_srat_gicc_affinity {
	struct acpi_subtable_header header;
	u32 proximity_domain;
	u32 acpi_processor_uid;
	u32 flags;
	u32 clock_domain;
};

/* Flags for struct acpi_srat_gicc_affinity */

#define ACPI_SRAT_GICC_ENABLED     (1)	/* 00: Use affinity structure */

/* 4: GCC ITS Affinity (ACPI 6.2) */

struct acpi_srat_gic_its_affinity {
	struct acpi_subtable_header header;
	u32 proximity_domain;
	u16 reserved;
	u32 its_id;
};

/*
 * Common structure for SRAT subtable types:
 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY
 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY
 */

#define ACPI_SRAT_DEVICE_HANDLE_SIZE	16

struct acpi_srat_generic_affinity {
	struct acpi_subtable_header header;
	u8 reserved;
	u8 device_handle_type;
	u32 proximity_domain;
	u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE];
	u32 flags;
	u32 reserved1;
};

/* Flags for struct acpi_srat_generic_affinity */

#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED     (1)	/* 00: Use affinity structure */
#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS   (1<<1)	/* ACPI 6.4 */

/*******************************************************************************
 *
 * STAO - Status Override Table (_STA override) - ACPI 6.0
 *        Version 1
 *
 * Conforms to "ACPI Specification for Status Override Table"
 * 6 January 2015
 *
 ******************************************************************************/

struct acpi_table_stao {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 ignore_uart;
};

/*******************************************************************************
 *
 * TCPA - Trusted Computing Platform Alliance table
 *        Version 2
 *
 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
 *
 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
 * Version 1.2, Revision 8
 * February 27, 2017
 *
 * NOTE: There are two versions of the table with the same signature --
 * the client version and the server version. The common platform_class
 * field is used to differentiate the two types of tables.
 *
 ******************************************************************************/

struct acpi_table_tcpa_hdr {
	struct acpi_table_header header;	/* Common ACPI table header */
	u16 platform_class;
};

/*
 * Values for platform_class above.
 * This is how the client and server subtables are differentiated
 */
#define ACPI_TCPA_CLIENT_TABLE          0
#define ACPI_TCPA_SERVER_TABLE          1

struct acpi_table_tcpa_client {
	u32 minimum_log_length;	/* Minimum length for the event log area */
	u64 log_address;	/* Address of the event log area */
};

struct acpi_table_tcpa_server {
	u16 reserved;
	u64 minimum_log_length;	/* Minimum length for the event log area */
	u64 log_address;	/* Address of the event log area */
	u16 spec_revision;
	u8 device_flags;
	u8 interrupt_flags;
	u8 gpe_number;
	u8 reserved2[3];
	u32 global_interrupt;
	struct acpi_generic_address address;
	u32 reserved3;
	struct acpi_generic_address config_address;
	u8 group;
	u8 bus;			/* PCI Bus/Segment/Function numbers */
	u8 device;
	u8 function;
};

/* Values for device_flags above */

#define ACPI_TCPA_PCI_DEVICE            (1)
#define ACPI_TCPA_BUS_PNP               (1<<1)
#define ACPI_TCPA_ADDRESS_VALID         (1<<2)

/* Values for interrupt_flags above */

#define ACPI_TCPA_INTERRUPT_MODE        (1)
#define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
#define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
#define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)

/*******************************************************************************
 *
 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
 *        Version 4
 *
 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
 *
 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
 * Version 1.2, Revision 8
 * February 27, 2017
 *
 ******************************************************************************/

/* Revision 3 */

struct acpi_table_tpm23 {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 reserved;
	u64 control_address;
	u32 start_method;
};

/* Value for start_method above */

#define ACPI_TPM23_ACPI_START_METHOD                 2

/*
 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
 * reserved area of all zeros.
 */
struct acpi_tmp23_trailer {
	u32 reserved;
};

/* Revision 4 */

struct acpi_table_tpm2 {
	struct acpi_table_header header;	/* Common ACPI table header */
	u16 platform_class;
	u16 reserved;
	u64 control_address;
	u32 start_method;

	/* Platform-specific data follows */
};

/* Optional trailer for revision 4 holding platform-specific data */
struct acpi_tpm2_phy {
	u8  start_method_specific[12];
	u32 log_area_minimum_length;
	u64 log_area_start_address;
};

/* Values for start_method above */

#define ACPI_TPM2_NOT_ALLOWED                       0
#define ACPI_TPM2_RESERVED1                         1
#define ACPI_TPM2_START_METHOD                      2
#define ACPI_TPM2_RESERVED3                         3
#define ACPI_TPM2_RESERVED4                         4
#define ACPI_TPM2_RESERVED5                         5
#define ACPI_TPM2_MEMORY_MAPPED                     6
#define ACPI_TPM2_COMMAND_BUFFER                    7
#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
#define ACPI_TPM2_RESERVED9                         9
#define ACPI_TPM2_RESERVED10                        10
#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC       11	/* V1.2 Rev 8 */
#define ACPI_TPM2_RESERVED                          12
#define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON        13

/* Optional trailer appears after any start_method subtables */

struct acpi_tpm2_trailer {
	u8 method_parameters[12];
	u32 minimum_log_length;	/* Minimum length for the event log area */
	u64 log_address;	/* Address of the event log area */
};

/*
 * Subtables (start_method-specific)
 */

/* 11: Start Method for ARM SMC (V1.2 Rev 8) */

struct acpi_tpm2_arm_smc {
	u32 global_interrupt;
	u8 interrupt_flags;
	u8 operation_flags;
	u16 reserved;
	u32 function_id;
};

/* Values for interrupt_flags above */

#define ACPI_TPM2_INTERRUPT_SUPPORT     (1)

/* Values for operation_flags above */

#define ACPI_TPM2_IDLE_SUPPORT          (1)

/*******************************************************************************
 *
 * UEFI - UEFI Boot optimization Table
 *        Version 1
 *
 * Conforms to "Unified Extensible Firmware Interface Specification",
 * Version 2.3, May 8, 2009
 *
 ******************************************************************************/

struct acpi_table_uefi {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 identifier[16];	/* UUID identifier */
	u16 data_offset;	/* Offset of remaining data in table */
};

/*******************************************************************************
 *
 * VIOT - Virtual I/O Translation Table
 *        Version 1
 *
 ******************************************************************************/

struct acpi_table_viot {
	struct acpi_table_header header;	/* Common ACPI table header */
	u16 node_count;
	u16 node_offset;
	u8 reserved[8];
};

/* VIOT subtable header */

struct acpi_viot_header {
	u8 type;
	u8 reserved;
	u16 length;
};

/* Values for Type field above */

enum acpi_viot_node_type {
	ACPI_VIOT_NODE_PCI_RANGE = 0x01,
	ACPI_VIOT_NODE_MMIO = 0x02,
	ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
	ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
	ACPI_VIOT_RESERVED = 0x05
};

/* VIOT subtables */

struct acpi_viot_pci_range {
	struct acpi_viot_header header;
	u32 endpoint_start;
	u16 segment_start;
	u16 segment_end;
	u16 bdf_start;
	u16 bdf_end;
	u16 output_node;
	u8 reserved[6];
};

struct acpi_viot_mmio {
	struct acpi_viot_header header;
	u32 endpoint;
	u64 base_address;
	u16 output_node;
	u8 reserved[6];
};

struct acpi_viot_virtio_iommu_pci {
	struct acpi_viot_header header;
	u16 segment;
	u16 bdf;
	u8 reserved[8];
};

struct acpi_viot_virtio_iommu_mmio {
	struct acpi_viot_header header;
	u8 reserved[4];
	u64 base_address;
};

/*******************************************************************************
 *
 * WAET - Windows ACPI Emulated devices Table
 *        Version 1
 *
 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
 *
 ******************************************************************************/

struct acpi_table_waet {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 flags;
};

/* Masks for Flags field above */

#define ACPI_WAET_RTC_NO_ACK        (1)	/* RTC requires no int acknowledge */
#define ACPI_WAET_TIMER_ONE_READ    (1<<1)	/* PM timer requires only one read */

/*******************************************************************************
 *
 * WDAT - Watchdog Action Table
 *        Version 1
 *
 * Conforms to "Hardware Watchdog Timers Design Specification",
 * Copyright 2006 Microsoft Corporation.
 *
 ******************************************************************************/

struct acpi_table_wdat {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 header_length;	/* Watchdog Header Length */
	u16 pci_segment;	/* PCI Segment number */
	u8 pci_bus;		/* PCI Bus number */
	u8 pci_device;		/* PCI Device number */
	u8 pci_function;	/* PCI Function number */
	u8 reserved[3];
	u32 timer_period;	/* Period of one timer count (msec) */
	u32 max_count;		/* Maximum counter value supported */
	u32 min_count;		/* Minimum counter value */
	u8 flags;
	u8 reserved2[3];
	u32 entries;		/* Number of watchdog entries that follow */
};

/* Masks for Flags field above */

#define ACPI_WDAT_ENABLED           (1)
#define ACPI_WDAT_STOPPED           0x80

/* WDAT Instruction Entries (actions) */

struct acpi_wdat_entry {
	u8 action;
	u8 instruction;
	u16 reserved;
	struct acpi_generic_address register_region;
	u32 value;		/* Value used with Read/Write register */
	u32 mask;		/* Bitmask required for this register instruction */
};

/* Values for Action field above */

enum acpi_wdat_actions {
	ACPI_WDAT_RESET = 1,
	ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
	ACPI_WDAT_GET_COUNTDOWN = 5,
	ACPI_WDAT_SET_COUNTDOWN = 6,
	ACPI_WDAT_GET_RUNNING_STATE = 8,
	ACPI_WDAT_SET_RUNNING_STATE = 9,
	ACPI_WDAT_GET_STOPPED_STATE = 10,
	ACPI_WDAT_SET_STOPPED_STATE = 11,
	ACPI_WDAT_GET_REBOOT = 16,
	ACPI_WDAT_SET_REBOOT = 17,
	ACPI_WDAT_GET_SHUTDOWN = 18,
	ACPI_WDAT_SET_SHUTDOWN = 19,
	ACPI_WDAT_GET_STATUS = 32,
	ACPI_WDAT_SET_STATUS = 33,
	ACPI_WDAT_ACTION_RESERVED = 34	/* 34 and greater are reserved */
};

/* Values for Instruction field above */

enum acpi_wdat_instructions {
	ACPI_WDAT_READ_VALUE = 0,
	ACPI_WDAT_READ_COUNTDOWN = 1,
	ACPI_WDAT_WRITE_VALUE = 2,
	ACPI_WDAT_WRITE_COUNTDOWN = 3,
	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
};

/*******************************************************************************
 *
 * WDDT - Watchdog Descriptor Table
 *        Version 1
 *
 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
 * Version 001, September 2002
 *
 ******************************************************************************/

struct acpi_table_wddt {
	struct acpi_table_header header;	/* Common ACPI table header */
	u16 spec_version;
	u16 table_version;
	u16 pci_vendor_id;
	struct acpi_generic_address address;
	u16 max_count;		/* Maximum counter value supported */
	u16 min_count;		/* Minimum counter value supported */
	u16 period;
	u16 status;
	u16 capability;
};

/* Flags for Status field above */

#define ACPI_WDDT_AVAILABLE     (1)
#define ACPI_WDDT_ACTIVE        (1<<1)
#define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
#define ACPI_WDDT_USER_RESET    (1<<11)
#define ACPI_WDDT_WDT_RESET     (1<<12)
#define ACPI_WDDT_POWER_FAIL    (1<<13)
#define ACPI_WDDT_UNKNOWN_RESET (1<<14)

/* Flags for Capability field above */

#define ACPI_WDDT_AUTO_RESET    (1)
#define ACPI_WDDT_ALERT_SUPPORT (1<<1)

/*******************************************************************************
 *
 * WDRT - Watchdog Resource Table
 *        Version 1
 *
 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
 * Version 1.01, August 28, 2006
 *
 ******************************************************************************/

struct acpi_table_wdrt {
	struct acpi_table_header header;	/* Common ACPI table header */
	struct acpi_generic_address control_register;
	struct acpi_generic_address count_register;
	u16 pci_device_id;
	u16 pci_vendor_id;
	u8 pci_bus;		/* PCI Bus number */
	u8 pci_device;		/* PCI Device number */
	u8 pci_function;	/* PCI Function number */
	u8 pci_segment;		/* PCI Segment number */
	u16 max_count;		/* Maximum counter value supported */
	u8 units;
};

/*******************************************************************************
 *
 * WPBT - Windows Platform Environment Table (ACPI 6.0)
 *        Version 1
 *
 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
 *
 ******************************************************************************/

struct acpi_table_wpbt {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 handoff_size;
	u64 handoff_address;
	u8 layout;
	u8 type;
	u16 arguments_length;
};

struct acpi_wpbt_unicode {
	u16 *unicode_string;
};

/*******************************************************************************
 *
 * WSMT - Windows SMM Security Mitigations Table
 *        Version 1
 *
 * Conforms to "Windows SMM Security Mitigations Table",
 * Version 1.0, April 18, 2016
 *
 ******************************************************************************/

struct acpi_table_wsmt {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 protection_flags;
};

/* Flags for protection_flags field above */

#define ACPI_WSMT_FIXED_COMM_BUFFERS                (1)
#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION        (4)

/*******************************************************************************
 *
 * XENV - Xen Environment Table (ACPI 6.0)
 *        Version 1
 *
 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
 *
 ******************************************************************************/

struct acpi_table_xenv {
	struct acpi_table_header header;	/* Common ACPI table header */
	u64 grant_table_address;
	u64 grant_table_size;
	u32 event_interrupt;
	u8 event_flags;
};

/* Reset to default packing */

#pragma pack()

#endif				/* __ACTBL3_H__ */