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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 - 2021, 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[1]; /* 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_RESERVED = 6 /* 5 and greater are reserved */
195};
196
197/*
198 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
199 */
200
201/* 0: Processor Local APIC/SAPIC Affinity */
202
203struct acpi_srat_cpu_affinity {
204 struct acpi_subtable_header header;
205 u8 proximity_domain_lo;
206 u8 apic_id;
207 u32 flags;
208 u8 local_sapic_eid;
209 u8 proximity_domain_hi[3];
210 u32 clock_domain;
211};
212
213/* Flags */
214
215#define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */
216
217/* 1: Memory Affinity */
218
219struct acpi_srat_mem_affinity {
220 struct acpi_subtable_header header;
221 u32 proximity_domain;
222 u16 reserved; /* Reserved, must be zero */
223 u64 base_address;
224 u64 length;
225 u32 reserved1;
226 u32 flags;
227 u64 reserved2; /* Reserved, must be zero */
228};
229
230/* Flags */
231
232#define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */
233#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */
234#define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */
235
236/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
237
238struct acpi_srat_x2apic_cpu_affinity {
239 struct acpi_subtable_header header;
240 u16 reserved; /* Reserved, must be zero */
241 u32 proximity_domain;
242 u32 apic_id;
243 u32 flags;
244 u32 clock_domain;
245 u32 reserved2;
246};
247
248/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
249
250#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
251
252/* 3: GICC Affinity (ACPI 5.1) */
253
254struct acpi_srat_gicc_affinity {
255 struct acpi_subtable_header header;
256 u32 proximity_domain;
257 u32 acpi_processor_uid;
258 u32 flags;
259 u32 clock_domain;
260};
261
262/* Flags for struct acpi_srat_gicc_affinity */
263
264#define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */
265
266/* 4: GCC ITS Affinity (ACPI 6.2) */
267
268struct acpi_srat_gic_its_affinity {
269 struct acpi_subtable_header header;
270 u32 proximity_domain;
271 u16 reserved;
272 u32 its_id;
273};
274
275/* 5: Generic Initiator Affinity Structure (ACPI 6.3) */
276
277struct acpi_srat_generic_affinity {
278 struct acpi_subtable_header header;
279 u8 reserved;
280 u8 device_handle_type;
281 u32 proximity_domain;
282 u8 device_handle[16];
283 u32 flags;
284 u32 reserved1;
285};
286
287/* Flags for struct acpi_srat_generic_affinity */
288
289#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
290#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */
291
292/*******************************************************************************
293 *
294 * STAO - Status Override Table (_STA override) - ACPI 6.0
295 * Version 1
296 *
297 * Conforms to "ACPI Specification for Status Override Table"
298 * 6 January 2015
299 *
300 ******************************************************************************/
301
302struct acpi_table_stao {
303 struct acpi_table_header header; /* Common ACPI table header */
304 u8 ignore_uart;
305};
306
307/*******************************************************************************
308 *
309 * TCPA - Trusted Computing Platform Alliance table
310 * Version 2
311 *
312 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
313 *
314 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
315 * Version 1.2, Revision 8
316 * February 27, 2017
317 *
318 * NOTE: There are two versions of the table with the same signature --
319 * the client version and the server version. The common platform_class
320 * field is used to differentiate the two types of tables.
321 *
322 ******************************************************************************/
323
324struct acpi_table_tcpa_hdr {
325 struct acpi_table_header header; /* Common ACPI table header */
326 u16 platform_class;
327};
328
329/*
330 * Values for platform_class above.
331 * This is how the client and server subtables are differentiated
332 */
333#define ACPI_TCPA_CLIENT_TABLE 0
334#define ACPI_TCPA_SERVER_TABLE 1
335
336struct acpi_table_tcpa_client {
337 u32 minimum_log_length; /* Minimum length for the event log area */
338 u64 log_address; /* Address of the event log area */
339};
340
341struct acpi_table_tcpa_server {
342 u16 reserved;
343 u64 minimum_log_length; /* Minimum length for the event log area */
344 u64 log_address; /* Address of the event log area */
345 u16 spec_revision;
346 u8 device_flags;
347 u8 interrupt_flags;
348 u8 gpe_number;
349 u8 reserved2[3];
350 u32 global_interrupt;
351 struct acpi_generic_address address;
352 u32 reserved3;
353 struct acpi_generic_address config_address;
354 u8 group;
355 u8 bus; /* PCI Bus/Segment/Function numbers */
356 u8 device;
357 u8 function;
358};
359
360/* Values for device_flags above */
361
362#define ACPI_TCPA_PCI_DEVICE (1)
363#define ACPI_TCPA_BUS_PNP (1<<1)
364#define ACPI_TCPA_ADDRESS_VALID (1<<2)
365
366/* Values for interrupt_flags above */
367
368#define ACPI_TCPA_INTERRUPT_MODE (1)
369#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
370#define ACPI_TCPA_SCI_VIA_GPE (1<<2)
371#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
372
373/*******************************************************************************
374 *
375 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
376 * Version 4
377 *
378 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
379 *
380 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
381 * Version 1.2, Revision 8
382 * February 27, 2017
383 *
384 ******************************************************************************/
385
386/* Revision 3 */
387
388struct acpi_table_tpm23 {
389 struct acpi_table_header header; /* Common ACPI table header */
390 u32 reserved;
391 u64 control_address;
392 u32 start_method;
393};
394
395/* Value for start_method above */
396
397#define ACPI_TPM23_ACPI_START_METHOD 2
398
399/*
400 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
401 * reserved area of all zeros.
402 */
403struct acpi_tmp23_trailer {
404 u32 reserved;
405};
406
407/* Revision 4 */
408
409struct acpi_table_tpm2 {
410 struct acpi_table_header header; /* Common ACPI table header */
411 u16 platform_class;
412 u16 reserved;
413 u64 control_address;
414 u32 start_method;
415
416 /* Platform-specific data follows */
417};
418
419/* Optional trailer for revision 4 holding platform-specific data */
420struct acpi_tpm2_phy {
421 u8 start_method_specific[12];
422 u32 log_area_minimum_length;
423 u64 log_area_start_address;
424};
425
426/* Values for start_method above */
427
428#define ACPI_TPM2_NOT_ALLOWED 0
429#define ACPI_TPM2_RESERVED1 1
430#define ACPI_TPM2_START_METHOD 2
431#define ACPI_TPM2_RESERVED3 3
432#define ACPI_TPM2_RESERVED4 4
433#define ACPI_TPM2_RESERVED5 5
434#define ACPI_TPM2_MEMORY_MAPPED 6
435#define ACPI_TPM2_COMMAND_BUFFER 7
436#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
437#define ACPI_TPM2_RESERVED9 9
438#define ACPI_TPM2_RESERVED10 10
439#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
440#define ACPI_TPM2_RESERVED 12
441
442/* Optional trailer appears after any start_method subtables */
443
444struct acpi_tpm2_trailer {
445 u8 method_parameters[12];
446 u32 minimum_log_length; /* Minimum length for the event log area */
447 u64 log_address; /* Address of the event log area */
448};
449
450/*
451 * Subtables (start_method-specific)
452 */
453
454/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
455
456struct acpi_tpm2_arm_smc {
457 u32 global_interrupt;
458 u8 interrupt_flags;
459 u8 operation_flags;
460 u16 reserved;
461 u32 function_id;
462};
463
464/* Values for interrupt_flags above */
465
466#define ACPI_TPM2_INTERRUPT_SUPPORT (1)
467
468/* Values for operation_flags above */
469
470#define ACPI_TPM2_IDLE_SUPPORT (1)
471
472/*******************************************************************************
473 *
474 * UEFI - UEFI Boot optimization Table
475 * Version 1
476 *
477 * Conforms to "Unified Extensible Firmware Interface Specification",
478 * Version 2.3, May 8, 2009
479 *
480 ******************************************************************************/
481
482struct acpi_table_uefi {
483 struct acpi_table_header header; /* Common ACPI table header */
484 u8 identifier[16]; /* UUID identifier */
485 u16 data_offset; /* Offset of remaining data in table */
486};
487
488/*******************************************************************************
489 *
490 * VIOT - Virtual I/O Translation Table
491 * Version 1
492 *
493 ******************************************************************************/
494
495struct acpi_table_viot {
496 struct acpi_table_header header; /* Common ACPI table header */
497 u16 node_count;
498 u16 node_offset;
499 u8 reserved[8];
500};
501
502/* VIOT subtable header */
503
504struct acpi_viot_header {
505 u8 type;
506 u8 reserved;
507 u16 length;
508};
509
510/* Values for Type field above */
511
512enum acpi_viot_node_type {
513 ACPI_VIOT_NODE_PCI_RANGE = 0x01,
514 ACPI_VIOT_NODE_MMIO = 0x02,
515 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
516 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
517 ACPI_VIOT_RESERVED = 0x05
518};
519
520/* VIOT subtables */
521
522struct acpi_viot_pci_range {
523 struct acpi_viot_header header;
524 u32 endpoint_start;
525 u16 segment_start;
526 u16 segment_end;
527 u16 bdf_start;
528 u16 bdf_end;
529 u16 output_node;
530 u8 reserved[6];
531};
532
533struct acpi_viot_mmio {
534 struct acpi_viot_header header;
535 u32 endpoint;
536 u64 base_address;
537 u16 output_node;
538 u8 reserved[6];
539};
540
541struct acpi_viot_virtio_iommu_pci {
542 struct acpi_viot_header header;
543 u16 segment;
544 u16 bdf;
545 u8 reserved[8];
546};
547
548struct acpi_viot_virtio_iommu_mmio {
549 struct acpi_viot_header header;
550 u8 reserved[4];
551 u64 base_address;
552};
553
554/*******************************************************************************
555 *
556 * WAET - Windows ACPI Emulated devices Table
557 * Version 1
558 *
559 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
560 *
561 ******************************************************************************/
562
563struct acpi_table_waet {
564 struct acpi_table_header header; /* Common ACPI table header */
565 u32 flags;
566};
567
568/* Masks for Flags field above */
569
570#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
571#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
572
573/*******************************************************************************
574 *
575 * WDAT - Watchdog Action Table
576 * Version 1
577 *
578 * Conforms to "Hardware Watchdog Timers Design Specification",
579 * Copyright 2006 Microsoft Corporation.
580 *
581 ******************************************************************************/
582
583struct acpi_table_wdat {
584 struct acpi_table_header header; /* Common ACPI table header */
585 u32 header_length; /* Watchdog Header Length */
586 u16 pci_segment; /* PCI Segment number */
587 u8 pci_bus; /* PCI Bus number */
588 u8 pci_device; /* PCI Device number */
589 u8 pci_function; /* PCI Function number */
590 u8 reserved[3];
591 u32 timer_period; /* Period of one timer count (msec) */
592 u32 max_count; /* Maximum counter value supported */
593 u32 min_count; /* Minimum counter value */
594 u8 flags;
595 u8 reserved2[3];
596 u32 entries; /* Number of watchdog entries that follow */
597};
598
599/* Masks for Flags field above */
600
601#define ACPI_WDAT_ENABLED (1)
602#define ACPI_WDAT_STOPPED 0x80
603
604/* WDAT Instruction Entries (actions) */
605
606struct acpi_wdat_entry {
607 u8 action;
608 u8 instruction;
609 u16 reserved;
610 struct acpi_generic_address register_region;
611 u32 value; /* Value used with Read/Write register */
612 u32 mask; /* Bitmask required for this register instruction */
613};
614
615/* Values for Action field above */
616
617enum acpi_wdat_actions {
618 ACPI_WDAT_RESET = 1,
619 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
620 ACPI_WDAT_GET_COUNTDOWN = 5,
621 ACPI_WDAT_SET_COUNTDOWN = 6,
622 ACPI_WDAT_GET_RUNNING_STATE = 8,
623 ACPI_WDAT_SET_RUNNING_STATE = 9,
624 ACPI_WDAT_GET_STOPPED_STATE = 10,
625 ACPI_WDAT_SET_STOPPED_STATE = 11,
626 ACPI_WDAT_GET_REBOOT = 16,
627 ACPI_WDAT_SET_REBOOT = 17,
628 ACPI_WDAT_GET_SHUTDOWN = 18,
629 ACPI_WDAT_SET_SHUTDOWN = 19,
630 ACPI_WDAT_GET_STATUS = 32,
631 ACPI_WDAT_SET_STATUS = 33,
632 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
633};
634
635/* Values for Instruction field above */
636
637enum acpi_wdat_instructions {
638 ACPI_WDAT_READ_VALUE = 0,
639 ACPI_WDAT_READ_COUNTDOWN = 1,
640 ACPI_WDAT_WRITE_VALUE = 2,
641 ACPI_WDAT_WRITE_COUNTDOWN = 3,
642 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
643 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
644};
645
646/*******************************************************************************
647 *
648 * WDDT - Watchdog Descriptor Table
649 * Version 1
650 *
651 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
652 * Version 001, September 2002
653 *
654 ******************************************************************************/
655
656struct acpi_table_wddt {
657 struct acpi_table_header header; /* Common ACPI table header */
658 u16 spec_version;
659 u16 table_version;
660 u16 pci_vendor_id;
661 struct acpi_generic_address address;
662 u16 max_count; /* Maximum counter value supported */
663 u16 min_count; /* Minimum counter value supported */
664 u16 period;
665 u16 status;
666 u16 capability;
667};
668
669/* Flags for Status field above */
670
671#define ACPI_WDDT_AVAILABLE (1)
672#define ACPI_WDDT_ACTIVE (1<<1)
673#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
674#define ACPI_WDDT_USER_RESET (1<<11)
675#define ACPI_WDDT_WDT_RESET (1<<12)
676#define ACPI_WDDT_POWER_FAIL (1<<13)
677#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
678
679/* Flags for Capability field above */
680
681#define ACPI_WDDT_AUTO_RESET (1)
682#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
683
684/*******************************************************************************
685 *
686 * WDRT - Watchdog Resource Table
687 * Version 1
688 *
689 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
690 * Version 1.01, August 28, 2006
691 *
692 ******************************************************************************/
693
694struct acpi_table_wdrt {
695 struct acpi_table_header header; /* Common ACPI table header */
696 struct acpi_generic_address control_register;
697 struct acpi_generic_address count_register;
698 u16 pci_device_id;
699 u16 pci_vendor_id;
700 u8 pci_bus; /* PCI Bus number */
701 u8 pci_device; /* PCI Device number */
702 u8 pci_function; /* PCI Function number */
703 u8 pci_segment; /* PCI Segment number */
704 u16 max_count; /* Maximum counter value supported */
705 u8 units;
706};
707
708/*******************************************************************************
709 *
710 * WPBT - Windows Platform Environment Table (ACPI 6.0)
711 * Version 1
712 *
713 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
714 *
715 ******************************************************************************/
716
717struct acpi_table_wpbt {
718 struct acpi_table_header header; /* Common ACPI table header */
719 u32 handoff_size;
720 u64 handoff_address;
721 u8 layout;
722 u8 type;
723 u16 arguments_length;
724};
725
726/*******************************************************************************
727 *
728 * WSMT - Windows SMM Security Mitigations Table
729 * Version 1
730 *
731 * Conforms to "Windows SMM Security Mitigations Table",
732 * Version 1.0, April 18, 2016
733 *
734 ******************************************************************************/
735
736struct acpi_table_wsmt {
737 struct acpi_table_header header; /* Common ACPI table header */
738 u32 protection_flags;
739};
740
741/* Flags for protection_flags field above */
742
743#define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
744#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
745#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
746
747/*******************************************************************************
748 *
749 * XENV - Xen Environment Table (ACPI 6.0)
750 * Version 1
751 *
752 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
753 *
754 ******************************************************************************/
755
756struct acpi_table_xenv {
757 struct acpi_table_header header; /* Common ACPI table header */
758 u64 grant_table_address;
759 u64 grant_table_size;
760 u32 event_interrupt;
761 u8 event_flags;
762};
763
764/* Reset to default packing */
765
766#pragma pack()
767
768#endif /* __ACTBL3_H__ */