projects/linux·blob master · refs

802 lines · 22.8 KiB

1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: actbl3.h - ACPI Table Definitions
5 *
6 * Copyright (C) 2000 - 2026, Intel Corp.
7 *
8 *****************************************************************************/
9
10#ifndef __ACTBL3_H__
11#define __ACTBL3_H__
12
13/*******************************************************************************
14 *
15 * Additional ACPI Tables
16 *
17 * These tables are not consumed directly by the ACPICA subsystem, but are
18 * included here to support device drivers and the AML disassembler.
19 *
20 ******************************************************************************/
21
22/*
23 * Values for description table header signatures for tables defined in this
24 * file. Useful because they make it more difficult to inadvertently type in
25 * the wrong signature.
26 */
27#define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */
28#define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */
29#define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
30#define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
31#define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */
32#define ACPI_SIG_STAO "STAO" /* Status Override table */
33#define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */
34#define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */
35#define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */
36#define ACPI_SIG_VIOT "VIOT" /* Virtual I/O Translation Table */
37#define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */
38#define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */
39#define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */
40#define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */
41#define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */
42#define ACPI_SIG_WSMT "WSMT" /* Windows SMM Security Mitigations Table */
43#define ACPI_SIG_XENV "XENV" /* Xen Environment table */
44#define ACPI_SIG_XXXX "XXXX" /* Intermediate AML header for ASL/ASL+ converter */
45
46/*
47 * All tables must be byte-packed to match the ACPI specification, since
48 * the tables are provided by the system BIOS.
49 */
50#pragma pack(1)
51
52/*
53 * Note: C bitfields are not used for this reason:
54 *
55 * "Bitfields are great and easy to read, but unfortunately the C language
56 * does not specify the layout of bitfields in memory, which means they are
57 * essentially useless for dealing with packed data in on-disk formats or
58 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
59 * this decision was a design error in C. Ritchie could have picked an order
60 * and stuck with it." Norman Ramsey.
61 * See http://stackoverflow.com/a/1053662/41661
62 */
63
64/*******************************************************************************
65 *
66 * SLIC - Software Licensing Description Table
67 *
68 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
69 * November 29, 2011. Copyright 2011 Microsoft
70 *
71 ******************************************************************************/
72
73/* Basic SLIC table is only the common ACPI header */
74
75struct acpi_table_slic {
76 struct acpi_table_header header; /* Common ACPI table header */
77};
78
79/*******************************************************************************
80 *
81 * SLIT - System Locality Distance Information Table
82 * Version 1
83 *
84 ******************************************************************************/
85
86struct acpi_table_slit {
87 struct acpi_table_header header; /* Common ACPI table header */
88 u64 locality_count;
89 u8 entry[]; /* Real size = localities^2 */
90};
91
92/*******************************************************************************
93 *
94 * SPCR - Serial Port Console Redirection table
95 * Version 4
96 *
97 * Conforms to "Serial Port Console Redirection Table",
98 * Version 1.10, Jan 5, 2023
99 *
100 ******************************************************************************/
101
102struct acpi_table_spcr {
103 struct acpi_table_header header; /* Common ACPI table header */
104 u8 interface_type; /* 0=full 16550, 1=subset of 16550 */
105 u8 reserved[3];
106 struct acpi_generic_address serial_port;
107 u8 interrupt_type;
108 u8 pc_interrupt;
109 u32 interrupt;
110 u8 baud_rate;
111 u8 parity;
112 u8 stop_bits;
113 u8 flow_control;
114 u8 terminal_type;
115 u8 language;
116 u16 pci_device_id;
117 u16 pci_vendor_id;
118 u8 pci_bus;
119 u8 pci_device;
120 u8 pci_function;
121 u32 pci_flags;
122 u8 pci_segment;
123 u32 uart_clk_freq;
124 u32 precise_baudrate;
125 u16 name_space_string_length;
126 u16 name_space_string_offset;
127 char name_space_string[];
128};
129
130/* Masks for pci_flags field above */
131
132#define ACPI_SPCR_DO_NOT_DISABLE (1)
133
134/* Values for Interface Type: See the definition of the DBG2 table */
135
136/*******************************************************************************
137 *
138 * SPMI - Server Platform Management Interface table
139 * Version 5
140 *
141 * Conforms to "Intelligent Platform Management Interface Specification
142 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
143 * June 12, 2009 markup.
144 *
145 ******************************************************************************/
146
147struct acpi_table_spmi {
148 struct acpi_table_header header; /* Common ACPI table header */
149 u8 interface_type;
150 u8 reserved; /* Must be 1 */
151 u16 spec_revision; /* Version of IPMI */
152 u8 interrupt_type;
153 u8 gpe_number; /* GPE assigned */
154 u8 reserved1;
155 u8 pci_device_flag;
156 u32 interrupt;
157 struct acpi_generic_address ipmi_register;
158 u8 pci_segment;
159 u8 pci_bus;
160 u8 pci_device;
161 u8 pci_function;
162 u8 reserved2;
163};
164
165/* Values for interface_type above */
166
167enum acpi_spmi_interface_types {
168 ACPI_SPMI_NOT_USED = 0,
169 ACPI_SPMI_KEYBOARD = 1,
170 ACPI_SPMI_SMI = 2,
171 ACPI_SPMI_BLOCK_TRANSFER = 3,
172 ACPI_SPMI_SMBUS = 4,
173 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */
174};
175
176/*******************************************************************************
177 *
178 * SRAT - System Resource Affinity Table
179 * Version 3
180 *
181 ******************************************************************************/
182
183struct acpi_table_srat {
184 struct acpi_table_header header; /* Common ACPI table header */
185 u32 table_revision; /* Must be value '1' */
186 u64 reserved; /* Reserved, must be zero */
187};
188
189/* Values for subtable type in struct acpi_subtable_header */
190
191enum acpi_srat_type {
192 ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
193 ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
194 ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
195 ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
196 ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */
197 ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */
198 ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */
199 ACPI_SRAT_TYPE_RINTC_AFFINITY = 7, /* ACPI 6.6 */
200 ACPI_SRAT_TYPE_RESERVED = 8 /* 8 and greater are reserved */
201};
202
203/*
204 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
205 */
206
207/* 0: Processor Local APIC/SAPIC Affinity */
208
209struct acpi_srat_cpu_affinity {
210 struct acpi_subtable_header header;
211 u8 proximity_domain_lo;
212 u8 apic_id;
213 u32 flags;
214 u8 local_sapic_eid;
215 u8 proximity_domain_hi[3];
216 u32 clock_domain;
217};
218
219/* Flags */
220
221#define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */
222
223/* 1: Memory Affinity */
224
225struct acpi_srat_mem_affinity {
226 struct acpi_subtable_header header;
227 u32 proximity_domain;
228 u16 reserved; /* Reserved, must be zero */
229 u64 base_address;
230 u64 length;
231 u32 reserved1;
232 u32 flags;
233 u64 reserved2; /* Reserved, must be zero */
234};
235
236/* Flags */
237
238#define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */
239#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */
240#define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */
241#define ACPI_SRAT_MEM_SPEC_PURPOSE (1<<3) /* 03: Memory is intended for specific-purpose usage */
242
243/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
244
245struct acpi_srat_x2apic_cpu_affinity {
246 struct acpi_subtable_header header;
247 u16 reserved; /* Reserved, must be zero */
248 u32 proximity_domain;
249 u32 apic_id;
250 u32 flags;
251 u32 clock_domain;
252 u32 reserved2;
253};
254
255/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
256
257#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
258
259/* 3: GICC Affinity (ACPI 5.1) */
260
261struct acpi_srat_gicc_affinity {
262 struct acpi_subtable_header header;
263 u32 proximity_domain;
264 u32 acpi_processor_uid;
265 u32 flags;
266 u32 clock_domain;
267};
268
269/* Flags for struct acpi_srat_gicc_affinity */
270
271#define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */
272
273/* 4: GIC ITS Affinity (ACPI 6.2) */
274
275struct acpi_srat_gic_its_affinity {
276 struct acpi_subtable_header header;
277 u32 proximity_domain;
278 u16 reserved;
279 u32 its_id;
280};
281
282/*
283 * Common structure for SRAT subtable types:
284 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY
285 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY
286 */
287
288#define ACPI_SRAT_DEVICE_HANDLE_SIZE 16
289
290struct acpi_srat_generic_affinity {
291 struct acpi_subtable_header header;
292 u8 reserved;
293 u8 device_handle_type;
294 u32 proximity_domain;
295 u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE];
296 u32 flags;
297 u32 reserved1;
298};
299
300/* Flags for struct acpi_srat_generic_affinity */
301
302#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
303#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */
304
305/* 7: RINTC Affinity Structure(ACPI 6.6) */
306
307struct acpi_srat_rintc_affinity {
308 struct acpi_subtable_header header;
309 u16 reserved;
310 u32 proximity_domain;
311 u32 acpi_processor_uid;
312 u32 flags;
313 u32 clock_domain;
314};
315
316/* Flags for struct acpi_srat_rintc_affinity */
317
318#define ACPI_SRAT_RINTC_ENABLED (1) /* 00: Use affinity structure */
319
320/*******************************************************************************
321 *
322 * STAO - Status Override Table (_STA override) - ACPI 6.0
323 * Version 1
324 *
325 * Conforms to "ACPI Specification for Status Override Table"
326 * 6 January 2015
327 *
328 ******************************************************************************/
329
330struct acpi_table_stao {
331 struct acpi_table_header header; /* Common ACPI table header */
332 u8 ignore_uart;
333};
334
335/*******************************************************************************
336 *
337 * TCPA - Trusted Computing Platform Alliance table
338 * Version 2
339 *
340 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
341 *
342 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
343 * Version 1.2, Revision 8
344 * February 27, 2017
345 *
346 * NOTE: There are two versions of the table with the same signature --
347 * the client version and the server version. The common platform_class
348 * field is used to differentiate the two types of tables.
349 *
350 ******************************************************************************/
351
352struct acpi_table_tcpa_hdr {
353 struct acpi_table_header header; /* Common ACPI table header */
354 u16 platform_class;
355};
356
357/*
358 * Values for platform_class above.
359 * This is how the client and server subtables are differentiated
360 */
361#define ACPI_TCPA_CLIENT_TABLE 0
362#define ACPI_TCPA_SERVER_TABLE 1
363
364struct acpi_table_tcpa_client {
365 u32 minimum_log_length; /* Minimum length for the event log area */
366 u64 log_address; /* Address of the event log area */
367};
368
369struct acpi_table_tcpa_server {
370 u16 reserved;
371 u64 minimum_log_length; /* Minimum length for the event log area */
372 u64 log_address; /* Address of the event log area */
373 u16 spec_revision;
374 u8 device_flags;
375 u8 interrupt_flags;
376 u8 gpe_number;
377 u8 reserved2[3];
378 u32 global_interrupt;
379 struct acpi_generic_address address;
380 u32 reserved3;
381 struct acpi_generic_address config_address;
382 u8 group;
383 u8 bus; /* PCI Bus/Segment/Function numbers */
384 u8 device;
385 u8 function;
386};
387
388/* Values for device_flags above */
389
390#define ACPI_TCPA_PCI_DEVICE (1)
391#define ACPI_TCPA_BUS_PNP (1<<1)
392#define ACPI_TCPA_ADDRESS_VALID (1<<2)
393
394/* Values for interrupt_flags above */
395
396#define ACPI_TCPA_INTERRUPT_MODE (1)
397#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
398#define ACPI_TCPA_SCI_VIA_GPE (1<<2)
399#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
400
401/*******************************************************************************
402 *
403 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
404 * Version 4
405 *
406 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
407 *
408 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
409 * Version 1.2, Revision 8
410 * February 27, 2017
411 *
412 ******************************************************************************/
413
414/* Revision 3 */
415
416struct acpi_table_tpm23 {
417 struct acpi_table_header header; /* Common ACPI table header */
418 u32 reserved;
419 u64 control_address;
420 u32 start_method;
421};
422
423/* Value for start_method above */
424
425#define ACPI_TPM23_ACPI_START_METHOD 2
426
427/*
428 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
429 * reserved area of all zeros.
430 */
431struct acpi_tmp23_trailer {
432 u32 reserved;
433};
434
435/* Revision 4 */
436
437struct acpi_table_tpm2 {
438 struct acpi_table_header header; /* Common ACPI table header */
439 u16 platform_class;
440 u16 reserved;
441 u64 control_address;
442 u32 start_method;
443
444 /* Platform-specific data follows */
445};
446
447/* Optional trailer for revision 4 holding platform-specific data */
448struct acpi_tpm2_phy {
449 u8 start_method_specific[12];
450 u32 log_area_minimum_length;
451 u64 log_area_start_address;
452};
453
454/* Values for start_method above */
455
456#define ACPI_TPM2_NOT_ALLOWED 0
457#define ACPI_TPM2_RESERVED1 1
458#define ACPI_TPM2_START_METHOD 2
459#define ACPI_TPM2_RESERVED3 3
460#define ACPI_TPM2_RESERVED4 4
461#define ACPI_TPM2_RESERVED5 5
462#define ACPI_TPM2_MEMORY_MAPPED 6
463#define ACPI_TPM2_COMMAND_BUFFER 7
464#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
465#define ACPI_TPM2_RESERVED9 9
466#define ACPI_TPM2_RESERVED10 10
467#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
468#define ACPI_TPM2_RESERVED 12
469#define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13
470#define ACPI_TPM2_CRB_WITH_ARM_FFA 15
471
472/* Optional trailer appears after any start_method subtables */
473
474struct acpi_tpm2_trailer {
475 u8 method_parameters[12];
476 u32 minimum_log_length; /* Minimum length for the event log area */
477 u64 log_address; /* Address of the event log area */
478};
479
480/*
481 * Subtables (start_method-specific)
482 */
483
484/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
485
486struct acpi_tpm2_arm_smc {
487 u32 global_interrupt;
488 u8 interrupt_flags;
489 u8 operation_flags;
490 u16 reserved;
491 u32 function_id;
492};
493
494/* Values for interrupt_flags above */
495
496#define ACPI_TPM2_INTERRUPT_SUPPORT (1)
497
498/* Values for operation_flags above */
499
500#define ACPI_TPM2_IDLE_SUPPORT (1)
501
502/*******************************************************************************
503 *
504 * UEFI - UEFI Boot optimization Table
505 * Version 1
506 *
507 * Conforms to "Unified Extensible Firmware Interface Specification",
508 * Version 2.3, May 8, 2009
509 *
510 ******************************************************************************/
511
512struct acpi_table_uefi {
513 struct acpi_table_header header; /* Common ACPI table header */
514 u8 identifier[16]; /* UUID identifier */
515 u16 data_offset; /* Offset of remaining data in table */
516};
517
518/*******************************************************************************
519 *
520 * VIOT - Virtual I/O Translation Table
521 * Version 1
522 *
523 ******************************************************************************/
524
525struct acpi_table_viot {
526 struct acpi_table_header header; /* Common ACPI table header */
527 u16 node_count;
528 u16 node_offset;
529 u8 reserved[8];
530};
531
532/* VIOT subtable header */
533
534struct acpi_viot_header {
535 u8 type;
536 u8 reserved;
537 u16 length;
538};
539
540/* Values for Type field above */
541
542enum acpi_viot_node_type {
543 ACPI_VIOT_NODE_PCI_RANGE = 0x01,
544 ACPI_VIOT_NODE_MMIO = 0x02,
545 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
546 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
547 ACPI_VIOT_RESERVED = 0x05
548};
549
550/* VIOT subtables */
551
552struct acpi_viot_pci_range {
553 struct acpi_viot_header header;
554 u32 endpoint_start;
555 u16 segment_start;
556 u16 segment_end;
557 u16 bdf_start;
558 u16 bdf_end;
559 u16 output_node;
560 u8 reserved[6];
561};
562
563struct acpi_viot_mmio {
564 struct acpi_viot_header header;
565 u32 endpoint;
566 u64 base_address;
567 u16 output_node;
568 u8 reserved[6];
569};
570
571struct acpi_viot_virtio_iommu_pci {
572 struct acpi_viot_header header;
573 u16 segment;
574 u16 bdf;
575 u8 reserved[8];
576};
577
578struct acpi_viot_virtio_iommu_mmio {
579 struct acpi_viot_header header;
580 u8 reserved[4];
581 u64 base_address;
582};
583
584/*******************************************************************************
585 *
586 * WAET - Windows ACPI Emulated devices Table
587 * Version 1
588 *
589 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
590 *
591 ******************************************************************************/
592
593struct acpi_table_waet {
594 struct acpi_table_header header; /* Common ACPI table header */
595 u32 flags;
596};
597
598/* Masks for Flags field above */
599
600#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
601#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
602
603/*******************************************************************************
604 *
605 * WDAT - Watchdog Action Table
606 * Version 1
607 *
608 * Conforms to "Hardware Watchdog Timers Design Specification",
609 * Copyright 2006 Microsoft Corporation.
610 *
611 ******************************************************************************/
612
613struct acpi_table_wdat {
614 struct acpi_table_header header; /* Common ACPI table header */
615 u32 header_length; /* Watchdog Header Length */
616 u16 pci_segment; /* PCI Segment number */
617 u8 pci_bus; /* PCI Bus number */
618 u8 pci_device; /* PCI Device number */
619 u8 pci_function; /* PCI Function number */
620 u8 reserved[3];
621 u32 timer_period; /* Period of one timer count (msec) */
622 u32 max_count; /* Maximum counter value supported */
623 u32 min_count; /* Minimum counter value */
624 u8 flags;
625 u8 reserved2[3];
626 u32 entries; /* Number of watchdog entries that follow */
627};
628
629/* Masks for Flags field above */
630
631#define ACPI_WDAT_ENABLED (1)
632#define ACPI_WDAT_STOPPED 0x80
633
634/* WDAT Instruction Entries (actions) */
635
636struct acpi_wdat_entry {
637 u8 action;
638 u8 instruction;
639 u16 reserved;
640 struct acpi_generic_address register_region;
641 u32 value; /* Value used with Read/Write register */
642 u32 mask; /* Bitmask required for this register instruction */
643};
644
645/* Values for Action field above */
646
647enum acpi_wdat_actions {
648 ACPI_WDAT_RESET = 1,
649 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
650 ACPI_WDAT_GET_COUNTDOWN = 5,
651 ACPI_WDAT_SET_COUNTDOWN = 6,
652 ACPI_WDAT_GET_RUNNING_STATE = 8,
653 ACPI_WDAT_SET_RUNNING_STATE = 9,
654 ACPI_WDAT_GET_STOPPED_STATE = 10,
655 ACPI_WDAT_SET_STOPPED_STATE = 11,
656 ACPI_WDAT_GET_REBOOT = 16,
657 ACPI_WDAT_SET_REBOOT = 17,
658 ACPI_WDAT_GET_SHUTDOWN = 18,
659 ACPI_WDAT_SET_SHUTDOWN = 19,
660 ACPI_WDAT_GET_STATUS = 32,
661 ACPI_WDAT_SET_STATUS = 33,
662 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
663};
664
665/* Values for Instruction field above */
666
667enum acpi_wdat_instructions {
668 ACPI_WDAT_READ_VALUE = 0,
669 ACPI_WDAT_READ_COUNTDOWN = 1,
670 ACPI_WDAT_WRITE_VALUE = 2,
671 ACPI_WDAT_WRITE_COUNTDOWN = 3,
672 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
673 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
674};
675
676/*******************************************************************************
677 *
678 * WDDT - Watchdog Descriptor Table
679 * Version 1
680 *
681 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
682 * Version 001, September 2002
683 *
684 ******************************************************************************/
685
686struct acpi_table_wddt {
687 struct acpi_table_header header; /* Common ACPI table header */
688 u16 spec_version;
689 u16 table_version;
690 u16 pci_vendor_id;
691 struct acpi_generic_address address;
692 u16 max_count; /* Maximum counter value supported */
693 u16 min_count; /* Minimum counter value supported */
694 u16 period;
695 u16 status;
696 u16 capability;
697};
698
699/* Flags for Status field above */
700
701#define ACPI_WDDT_AVAILABLE (1)
702#define ACPI_WDDT_ACTIVE (1<<1)
703#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
704#define ACPI_WDDT_USER_RESET (1<<11)
705#define ACPI_WDDT_WDT_RESET (1<<12)
706#define ACPI_WDDT_POWER_FAIL (1<<13)
707#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
708
709/* Flags for Capability field above */
710
711#define ACPI_WDDT_AUTO_RESET (1)
712#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
713
714/*******************************************************************************
715 *
716 * WDRT - Watchdog Resource Table
717 * Version 1
718 *
719 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
720 * Version 1.01, August 28, 2006
721 *
722 ******************************************************************************/
723
724struct acpi_table_wdrt {
725 struct acpi_table_header header; /* Common ACPI table header */
726 struct acpi_generic_address control_register;
727 struct acpi_generic_address count_register;
728 u16 pci_device_id;
729 u16 pci_vendor_id;
730 u8 pci_bus; /* PCI Bus number */
731 u8 pci_device; /* PCI Device number */
732 u8 pci_function; /* PCI Function number */
733 u8 pci_segment; /* PCI Segment number */
734 u16 max_count; /* Maximum counter value supported */
735 u8 units;
736};
737
738/*******************************************************************************
739 *
740 * WPBT - Windows Platform Environment Table (ACPI 6.0)
741 * Version 1
742 *
743 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
744 *
745 ******************************************************************************/
746
747struct acpi_table_wpbt {
748 struct acpi_table_header header; /* Common ACPI table header */
749 u32 handoff_size;
750 u64 handoff_address;
751 u8 layout;
752 u8 type;
753 u16 arguments_length;
754};
755
756struct acpi_wpbt_unicode {
757 u16 *unicode_string;
758};
759
760/*******************************************************************************
761 *
762 * WSMT - Windows SMM Security Mitigations Table
763 * Version 1
764 *
765 * Conforms to "Windows SMM Security Mitigations Table",
766 * Version 1.0, April 18, 2016
767 *
768 ******************************************************************************/
769
770struct acpi_table_wsmt {
771 struct acpi_table_header header; /* Common ACPI table header */
772 u32 protection_flags;
773};
774
775/* Flags for protection_flags field above */
776
777#define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
778#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
779#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
780
781/*******************************************************************************
782 *
783 * XENV - Xen Environment Table (ACPI 6.0)
784 * Version 1
785 *
786 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
787 *
788 ******************************************************************************/
789
790struct acpi_table_xenv {
791 struct acpi_table_header header; /* Common ACPI table header */
792 u64 grant_table_address;
793 u64 grant_table_size;
794 u32 event_interrupt;
795 u8 event_flags;
796};
797
798/* Reset to default packing */
799
800#pragma pack()
801
802#endif /* __ACTBL3_H__ */