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 - 2023, 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 2
96 *
97 * Conforms to "Serial Port Console Redirection Table",
98 * Version 1.03, August 10, 2015
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 reserved1;
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 reserved2;
124};
125
126/* Masks for pci_flags field above */
127
128#define ACPI_SPCR_DO_NOT_DISABLE (1)
129
130/* Values for Interface Type: See the definition of the DBG2 table */
131
132/*******************************************************************************
133 *
134 * SPMI - Server Platform Management Interface table
135 * Version 5
136 *
137 * Conforms to "Intelligent Platform Management Interface Specification
138 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
139 * June 12, 2009 markup.
140 *
141 ******************************************************************************/
142
143struct acpi_table_spmi {
144 struct acpi_table_header header; /* Common ACPI table header */
145 u8 interface_type;
146 u8 reserved; /* Must be 1 */
147 u16 spec_revision; /* Version of IPMI */
148 u8 interrupt_type;
149 u8 gpe_number; /* GPE assigned */
150 u8 reserved1;
151 u8 pci_device_flag;
152 u32 interrupt;
153 struct acpi_generic_address ipmi_register;
154 u8 pci_segment;
155 u8 pci_bus;
156 u8 pci_device;
157 u8 pci_function;
158 u8 reserved2;
159};
160
161/* Values for interface_type above */
162
163enum acpi_spmi_interface_types {
164 ACPI_SPMI_NOT_USED = 0,
165 ACPI_SPMI_KEYBOARD = 1,
166 ACPI_SPMI_SMI = 2,
167 ACPI_SPMI_BLOCK_TRANSFER = 3,
168 ACPI_SPMI_SMBUS = 4,
169 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */
170};
171
172/*******************************************************************************
173 *
174 * SRAT - System Resource Affinity Table
175 * Version 3
176 *
177 ******************************************************************************/
178
179struct acpi_table_srat {
180 struct acpi_table_header header; /* Common ACPI table header */
181 u32 table_revision; /* Must be value '1' */
182 u64 reserved; /* Reserved, must be zero */
183};
184
185/* Values for subtable type in struct acpi_subtable_header */
186
187enum acpi_srat_type {
188 ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
189 ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
190 ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
191 ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
192 ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */
193 ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */
194 ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */
195 ACPI_SRAT_TYPE_RESERVED = 7 /* 7 and greater are reserved */
196};
197
198/*
199 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
200 */
201
202/* 0: Processor Local APIC/SAPIC Affinity */
203
204struct acpi_srat_cpu_affinity {
205 struct acpi_subtable_header header;
206 u8 proximity_domain_lo;
207 u8 apic_id;
208 u32 flags;
209 u8 local_sapic_eid;
210 u8 proximity_domain_hi[3];
211 u32 clock_domain;
212};
213
214/* Flags */
215
216#define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */
217
218/* 1: Memory Affinity */
219
220struct acpi_srat_mem_affinity {
221 struct acpi_subtable_header header;
222 u32 proximity_domain;
223 u16 reserved; /* Reserved, must be zero */
224 u64 base_address;
225 u64 length;
226 u32 reserved1;
227 u32 flags;
228 u64 reserved2; /* Reserved, must be zero */
229};
230
231/* Flags */
232
233#define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */
234#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */
235#define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */
236
237/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
238
239struct acpi_srat_x2apic_cpu_affinity {
240 struct acpi_subtable_header header;
241 u16 reserved; /* Reserved, must be zero */
242 u32 proximity_domain;
243 u32 apic_id;
244 u32 flags;
245 u32 clock_domain;
246 u32 reserved2;
247};
248
249/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
250
251#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
252
253/* 3: GICC Affinity (ACPI 5.1) */
254
255struct acpi_srat_gicc_affinity {
256 struct acpi_subtable_header header;
257 u32 proximity_domain;
258 u32 acpi_processor_uid;
259 u32 flags;
260 u32 clock_domain;
261};
262
263/* Flags for struct acpi_srat_gicc_affinity */
264
265#define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */
266
267/* 4: GCC ITS Affinity (ACPI 6.2) */
268
269struct acpi_srat_gic_its_affinity {
270 struct acpi_subtable_header header;
271 u32 proximity_domain;
272 u16 reserved;
273 u32 its_id;
274};
275
276/*
277 * Common structure for SRAT subtable types:
278 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY
279 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY
280 */
281
282#define ACPI_SRAT_DEVICE_HANDLE_SIZE 16
283
284struct acpi_srat_generic_affinity {
285 struct acpi_subtable_header header;
286 u8 reserved;
287 u8 device_handle_type;
288 u32 proximity_domain;
289 u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE];
290 u32 flags;
291 u32 reserved1;
292};
293
294/* Flags for struct acpi_srat_generic_affinity */
295
296#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
297#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */
298
299/*******************************************************************************
300 *
301 * STAO - Status Override Table (_STA override) - ACPI 6.0
302 * Version 1
303 *
304 * Conforms to "ACPI Specification for Status Override Table"
305 * 6 January 2015
306 *
307 ******************************************************************************/
308
309struct acpi_table_stao {
310 struct acpi_table_header header; /* Common ACPI table header */
311 u8 ignore_uart;
312};
313
314/*******************************************************************************
315 *
316 * TCPA - Trusted Computing Platform Alliance table
317 * Version 2
318 *
319 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
320 *
321 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
322 * Version 1.2, Revision 8
323 * February 27, 2017
324 *
325 * NOTE: There are two versions of the table with the same signature --
326 * the client version and the server version. The common platform_class
327 * field is used to differentiate the two types of tables.
328 *
329 ******************************************************************************/
330
331struct acpi_table_tcpa_hdr {
332 struct acpi_table_header header; /* Common ACPI table header */
333 u16 platform_class;
334};
335
336/*
337 * Values for platform_class above.
338 * This is how the client and server subtables are differentiated
339 */
340#define ACPI_TCPA_CLIENT_TABLE 0
341#define ACPI_TCPA_SERVER_TABLE 1
342
343struct acpi_table_tcpa_client {
344 u32 minimum_log_length; /* Minimum length for the event log area */
345 u64 log_address; /* Address of the event log area */
346};
347
348struct acpi_table_tcpa_server {
349 u16 reserved;
350 u64 minimum_log_length; /* Minimum length for the event log area */
351 u64 log_address; /* Address of the event log area */
352 u16 spec_revision;
353 u8 device_flags;
354 u8 interrupt_flags;
355 u8 gpe_number;
356 u8 reserved2[3];
357 u32 global_interrupt;
358 struct acpi_generic_address address;
359 u32 reserved3;
360 struct acpi_generic_address config_address;
361 u8 group;
362 u8 bus; /* PCI Bus/Segment/Function numbers */
363 u8 device;
364 u8 function;
365};
366
367/* Values for device_flags above */
368
369#define ACPI_TCPA_PCI_DEVICE (1)
370#define ACPI_TCPA_BUS_PNP (1<<1)
371#define ACPI_TCPA_ADDRESS_VALID (1<<2)
372
373/* Values for interrupt_flags above */
374
375#define ACPI_TCPA_INTERRUPT_MODE (1)
376#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
377#define ACPI_TCPA_SCI_VIA_GPE (1<<2)
378#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
379
380/*******************************************************************************
381 *
382 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
383 * Version 4
384 *
385 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
386 *
387 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
388 * Version 1.2, Revision 8
389 * February 27, 2017
390 *
391 ******************************************************************************/
392
393/* Revision 3 */
394
395struct acpi_table_tpm23 {
396 struct acpi_table_header header; /* Common ACPI table header */
397 u32 reserved;
398 u64 control_address;
399 u32 start_method;
400};
401
402/* Value for start_method above */
403
404#define ACPI_TPM23_ACPI_START_METHOD 2
405
406/*
407 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
408 * reserved area of all zeros.
409 */
410struct acpi_tmp23_trailer {
411 u32 reserved;
412};
413
414/* Revision 4 */
415
416struct acpi_table_tpm2 {
417 struct acpi_table_header header; /* Common ACPI table header */
418 u16 platform_class;
419 u16 reserved;
420 u64 control_address;
421 u32 start_method;
422
423 /* Platform-specific data follows */
424};
425
426/* Optional trailer for revision 4 holding platform-specific data */
427struct acpi_tpm2_phy {
428 u8 start_method_specific[12];
429 u32 log_area_minimum_length;
430 u64 log_area_start_address;
431};
432
433/* Values for start_method above */
434
435#define ACPI_TPM2_NOT_ALLOWED 0
436#define ACPI_TPM2_RESERVED1 1
437#define ACPI_TPM2_START_METHOD 2
438#define ACPI_TPM2_RESERVED3 3
439#define ACPI_TPM2_RESERVED4 4
440#define ACPI_TPM2_RESERVED5 5
441#define ACPI_TPM2_MEMORY_MAPPED 6
442#define ACPI_TPM2_COMMAND_BUFFER 7
443#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
444#define ACPI_TPM2_RESERVED9 9
445#define ACPI_TPM2_RESERVED10 10
446#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
447#define ACPI_TPM2_RESERVED 12
448#define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13
449
450/* Optional trailer appears after any start_method subtables */
451
452struct acpi_tpm2_trailer {
453 u8 method_parameters[12];
454 u32 minimum_log_length; /* Minimum length for the event log area */
455 u64 log_address; /* Address of the event log area */
456};
457
458/*
459 * Subtables (start_method-specific)
460 */
461
462/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
463
464struct acpi_tpm2_arm_smc {
465 u32 global_interrupt;
466 u8 interrupt_flags;
467 u8 operation_flags;
468 u16 reserved;
469 u32 function_id;
470};
471
472/* Values for interrupt_flags above */
473
474#define ACPI_TPM2_INTERRUPT_SUPPORT (1)
475
476/* Values for operation_flags above */
477
478#define ACPI_TPM2_IDLE_SUPPORT (1)
479
480/*******************************************************************************
481 *
482 * UEFI - UEFI Boot optimization Table
483 * Version 1
484 *
485 * Conforms to "Unified Extensible Firmware Interface Specification",
486 * Version 2.3, May 8, 2009
487 *
488 ******************************************************************************/
489
490struct acpi_table_uefi {
491 struct acpi_table_header header; /* Common ACPI table header */
492 u8 identifier[16]; /* UUID identifier */
493 u16 data_offset; /* Offset of remaining data in table */
494};
495
496/*******************************************************************************
497 *
498 * VIOT - Virtual I/O Translation Table
499 * Version 1
500 *
501 ******************************************************************************/
502
503struct acpi_table_viot {
504 struct acpi_table_header header; /* Common ACPI table header */
505 u16 node_count;
506 u16 node_offset;
507 u8 reserved[8];
508};
509
510/* VIOT subtable header */
511
512struct acpi_viot_header {
513 u8 type;
514 u8 reserved;
515 u16 length;
516};
517
518/* Values for Type field above */
519
520enum acpi_viot_node_type {
521 ACPI_VIOT_NODE_PCI_RANGE = 0x01,
522 ACPI_VIOT_NODE_MMIO = 0x02,
523 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
524 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
525 ACPI_VIOT_RESERVED = 0x05
526};
527
528/* VIOT subtables */
529
530struct acpi_viot_pci_range {
531 struct acpi_viot_header header;
532 u32 endpoint_start;
533 u16 segment_start;
534 u16 segment_end;
535 u16 bdf_start;
536 u16 bdf_end;
537 u16 output_node;
538 u8 reserved[6];
539};
540
541struct acpi_viot_mmio {
542 struct acpi_viot_header header;
543 u32 endpoint;
544 u64 base_address;
545 u16 output_node;
546 u8 reserved[6];
547};
548
549struct acpi_viot_virtio_iommu_pci {
550 struct acpi_viot_header header;
551 u16 segment;
552 u16 bdf;
553 u8 reserved[8];
554};
555
556struct acpi_viot_virtio_iommu_mmio {
557 struct acpi_viot_header header;
558 u8 reserved[4];
559 u64 base_address;
560};
561
562/*******************************************************************************
563 *
564 * WAET - Windows ACPI Emulated devices Table
565 * Version 1
566 *
567 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
568 *
569 ******************************************************************************/
570
571struct acpi_table_waet {
572 struct acpi_table_header header; /* Common ACPI table header */
573 u32 flags;
574};
575
576/* Masks for Flags field above */
577
578#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
579#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
580
581/*******************************************************************************
582 *
583 * WDAT - Watchdog Action Table
584 * Version 1
585 *
586 * Conforms to "Hardware Watchdog Timers Design Specification",
587 * Copyright 2006 Microsoft Corporation.
588 *
589 ******************************************************************************/
590
591struct acpi_table_wdat {
592 struct acpi_table_header header; /* Common ACPI table header */
593 u32 header_length; /* Watchdog Header Length */
594 u16 pci_segment; /* PCI Segment number */
595 u8 pci_bus; /* PCI Bus number */
596 u8 pci_device; /* PCI Device number */
597 u8 pci_function; /* PCI Function number */
598 u8 reserved[3];
599 u32 timer_period; /* Period of one timer count (msec) */
600 u32 max_count; /* Maximum counter value supported */
601 u32 min_count; /* Minimum counter value */
602 u8 flags;
603 u8 reserved2[3];
604 u32 entries; /* Number of watchdog entries that follow */
605};
606
607/* Masks for Flags field above */
608
609#define ACPI_WDAT_ENABLED (1)
610#define ACPI_WDAT_STOPPED 0x80
611
612/* WDAT Instruction Entries (actions) */
613
614struct acpi_wdat_entry {
615 u8 action;
616 u8 instruction;
617 u16 reserved;
618 struct acpi_generic_address register_region;
619 u32 value; /* Value used with Read/Write register */
620 u32 mask; /* Bitmask required for this register instruction */
621};
622
623/* Values for Action field above */
624
625enum acpi_wdat_actions {
626 ACPI_WDAT_RESET = 1,
627 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
628 ACPI_WDAT_GET_COUNTDOWN = 5,
629 ACPI_WDAT_SET_COUNTDOWN = 6,
630 ACPI_WDAT_GET_RUNNING_STATE = 8,
631 ACPI_WDAT_SET_RUNNING_STATE = 9,
632 ACPI_WDAT_GET_STOPPED_STATE = 10,
633 ACPI_WDAT_SET_STOPPED_STATE = 11,
634 ACPI_WDAT_GET_REBOOT = 16,
635 ACPI_WDAT_SET_REBOOT = 17,
636 ACPI_WDAT_GET_SHUTDOWN = 18,
637 ACPI_WDAT_SET_SHUTDOWN = 19,
638 ACPI_WDAT_GET_STATUS = 32,
639 ACPI_WDAT_SET_STATUS = 33,
640 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
641};
642
643/* Values for Instruction field above */
644
645enum acpi_wdat_instructions {
646 ACPI_WDAT_READ_VALUE = 0,
647 ACPI_WDAT_READ_COUNTDOWN = 1,
648 ACPI_WDAT_WRITE_VALUE = 2,
649 ACPI_WDAT_WRITE_COUNTDOWN = 3,
650 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
651 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
652};
653
654/*******************************************************************************
655 *
656 * WDDT - Watchdog Descriptor Table
657 * Version 1
658 *
659 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
660 * Version 001, September 2002
661 *
662 ******************************************************************************/
663
664struct acpi_table_wddt {
665 struct acpi_table_header header; /* Common ACPI table header */
666 u16 spec_version;
667 u16 table_version;
668 u16 pci_vendor_id;
669 struct acpi_generic_address address;
670 u16 max_count; /* Maximum counter value supported */
671 u16 min_count; /* Minimum counter value supported */
672 u16 period;
673 u16 status;
674 u16 capability;
675};
676
677/* Flags for Status field above */
678
679#define ACPI_WDDT_AVAILABLE (1)
680#define ACPI_WDDT_ACTIVE (1<<1)
681#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
682#define ACPI_WDDT_USER_RESET (1<<11)
683#define ACPI_WDDT_WDT_RESET (1<<12)
684#define ACPI_WDDT_POWER_FAIL (1<<13)
685#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
686
687/* Flags for Capability field above */
688
689#define ACPI_WDDT_AUTO_RESET (1)
690#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
691
692/*******************************************************************************
693 *
694 * WDRT - Watchdog Resource Table
695 * Version 1
696 *
697 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
698 * Version 1.01, August 28, 2006
699 *
700 ******************************************************************************/
701
702struct acpi_table_wdrt {
703 struct acpi_table_header header; /* Common ACPI table header */
704 struct acpi_generic_address control_register;
705 struct acpi_generic_address count_register;
706 u16 pci_device_id;
707 u16 pci_vendor_id;
708 u8 pci_bus; /* PCI Bus number */
709 u8 pci_device; /* PCI Device number */
710 u8 pci_function; /* PCI Function number */
711 u8 pci_segment; /* PCI Segment number */
712 u16 max_count; /* Maximum counter value supported */
713 u8 units;
714};
715
716/*******************************************************************************
717 *
718 * WPBT - Windows Platform Environment Table (ACPI 6.0)
719 * Version 1
720 *
721 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
722 *
723 ******************************************************************************/
724
725struct acpi_table_wpbt {
726 struct acpi_table_header header; /* Common ACPI table header */
727 u32 handoff_size;
728 u64 handoff_address;
729 u8 layout;
730 u8 type;
731 u16 arguments_length;
732};
733
734struct acpi_wpbt_unicode {
735 u16 *unicode_string;
736};
737
738/*******************************************************************************
739 *
740 * WSMT - Windows SMM Security Mitigations Table
741 * Version 1
742 *
743 * Conforms to "Windows SMM Security Mitigations Table",
744 * Version 1.0, April 18, 2016
745 *
746 ******************************************************************************/
747
748struct acpi_table_wsmt {
749 struct acpi_table_header header; /* Common ACPI table header */
750 u32 protection_flags;
751};
752
753/* Flags for protection_flags field above */
754
755#define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
756#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
757#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
758
759/*******************************************************************************
760 *
761 * XENV - Xen Environment Table (ACPI 6.0)
762 * Version 1
763 *
764 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
765 *
766 ******************************************************************************/
767
768struct acpi_table_xenv {
769 struct acpi_table_header header; /* Common ACPI table header */
770 u64 grant_table_address;
771 u64 grant_table_size;
772 u32 event_interrupt;
773 u8 event_flags;
774};
775
776/* Reset to default packing */
777
778#pragma pack()
779
780#endif /* __ACTBL3_H__ */
781

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source code of linux/include/acpi/actbl3.h