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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 - 2020, 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_VRTC "VRTC" /* Virtual Real Time Clock 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
291/*******************************************************************************
292 *
293 * STAO - Status Override Table (_STA override) - ACPI 6.0
294 * Version 1
295 *
296 * Conforms to "ACPI Specification for Status Override Table"
297 * 6 January 2015
298 *
299 ******************************************************************************/
300
301struct acpi_table_stao {
302 struct acpi_table_header header; /* Common ACPI table header */
303 u8 ignore_uart;
304};
305
306/*******************************************************************************
307 *
308 * TCPA - Trusted Computing Platform Alliance table
309 * Version 2
310 *
311 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
312 *
313 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
314 * Version 1.2, Revision 8
315 * February 27, 2017
316 *
317 * NOTE: There are two versions of the table with the same signature --
318 * the client version and the server version. The common platform_class
319 * field is used to differentiate the two types of tables.
320 *
321 ******************************************************************************/
322
323struct acpi_table_tcpa_hdr {
324 struct acpi_table_header header; /* Common ACPI table header */
325 u16 platform_class;
326};
327
328/*
329 * Values for platform_class above.
330 * This is how the client and server subtables are differentiated
331 */
332#define ACPI_TCPA_CLIENT_TABLE 0
333#define ACPI_TCPA_SERVER_TABLE 1
334
335struct acpi_table_tcpa_client {
336 u32 minimum_log_length; /* Minimum length for the event log area */
337 u64 log_address; /* Address of the event log area */
338};
339
340struct acpi_table_tcpa_server {
341 u16 reserved;
342 u64 minimum_log_length; /* Minimum length for the event log area */
343 u64 log_address; /* Address of the event log area */
344 u16 spec_revision;
345 u8 device_flags;
346 u8 interrupt_flags;
347 u8 gpe_number;
348 u8 reserved2[3];
349 u32 global_interrupt;
350 struct acpi_generic_address address;
351 u32 reserved3;
352 struct acpi_generic_address config_address;
353 u8 group;
354 u8 bus; /* PCI Bus/Segment/Function numbers */
355 u8 device;
356 u8 function;
357};
358
359/* Values for device_flags above */
360
361#define ACPI_TCPA_PCI_DEVICE (1)
362#define ACPI_TCPA_BUS_PNP (1<<1)
363#define ACPI_TCPA_ADDRESS_VALID (1<<2)
364
365/* Values for interrupt_flags above */
366
367#define ACPI_TCPA_INTERRUPT_MODE (1)
368#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
369#define ACPI_TCPA_SCI_VIA_GPE (1<<2)
370#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
371
372/*******************************************************************************
373 *
374 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
375 * Version 4
376 *
377 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
378 *
379 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
380 * Version 1.2, Revision 8
381 * February 27, 2017
382 *
383 ******************************************************************************/
384
385/* Revision 3 */
386
387struct acpi_table_tpm23 {
388 struct acpi_table_header header; /* Common ACPI table header */
389 u32 reserved;
390 u64 control_address;
391 u32 start_method;
392};
393
394/* Value for start_method above */
395
396#define ACPI_TPM23_ACPI_START_METHOD 2
397
398/*
399 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
400 * reserved area of all zeros.
401 */
402struct acpi_tmp23_trailer {
403 u32 reserved;
404};
405
406/* Revision 4 */
407
408struct acpi_table_tpm2 {
409 struct acpi_table_header header; /* Common ACPI table header */
410 u16 platform_class;
411 u16 reserved;
412 u64 control_address;
413 u32 start_method;
414
415 /* Platform-specific data follows */
416};
417
418/* Optional trailer for revision 4 holding platform-specific data */
419struct acpi_tpm2_phy {
420 u8 start_method_specific[12];
421 u32 log_area_minimum_length;
422 u64 log_area_start_address;
423};
424
425/* Values for start_method above */
426
427#define ACPI_TPM2_NOT_ALLOWED 0
428#define ACPI_TPM2_RESERVED1 1
429#define ACPI_TPM2_START_METHOD 2
430#define ACPI_TPM2_RESERVED3 3
431#define ACPI_TPM2_RESERVED4 4
432#define ACPI_TPM2_RESERVED5 5
433#define ACPI_TPM2_MEMORY_MAPPED 6
434#define ACPI_TPM2_COMMAND_BUFFER 7
435#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
436#define ACPI_TPM2_RESERVED9 9
437#define ACPI_TPM2_RESERVED10 10
438#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
439#define ACPI_TPM2_RESERVED 12
440
441/* Optional trailer appears after any start_method subtables */
442
443struct acpi_tpm2_trailer {
444 u8 method_parameters[12];
445 u32 minimum_log_length; /* Minimum length for the event log area */
446 u64 log_address; /* Address of the event log area */
447};
448
449/*
450 * Subtables (start_method-specific)
451 */
452
453/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
454
455struct acpi_tpm2_arm_smc {
456 u32 global_interrupt;
457 u8 interrupt_flags;
458 u8 operation_flags;
459 u16 reserved;
460 u32 function_id;
461};
462
463/* Values for interrupt_flags above */
464
465#define ACPI_TPM2_INTERRUPT_SUPPORT (1)
466
467/* Values for operation_flags above */
468
469#define ACPI_TPM2_IDLE_SUPPORT (1)
470
471/*******************************************************************************
472 *
473 * UEFI - UEFI Boot optimization Table
474 * Version 1
475 *
476 * Conforms to "Unified Extensible Firmware Interface Specification",
477 * Version 2.3, May 8, 2009
478 *
479 ******************************************************************************/
480
481struct acpi_table_uefi {
482 struct acpi_table_header header; /* Common ACPI table header */
483 u8 identifier[16]; /* UUID identifier */
484 u16 data_offset; /* Offset of remaining data in table */
485};
486
487/*******************************************************************************
488 *
489 * VRTC - Virtual Real Time Clock Table
490 * Version 1
491 *
492 * Conforms to "Simple Firmware Interface Specification",
493 * Draft 0.8.2, Oct 19, 2010
494 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
495 *
496 ******************************************************************************/
497
498struct acpi_table_vrtc {
499 struct acpi_table_header header; /* Common ACPI table header */
500};
501
502/* VRTC entry */
503
504struct acpi_vrtc_entry {
505 struct acpi_generic_address physical_address;
506 u32 irq;
507};
508
509/*******************************************************************************
510 *
511 * WAET - Windows ACPI Emulated devices Table
512 * Version 1
513 *
514 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
515 *
516 ******************************************************************************/
517
518struct acpi_table_waet {
519 struct acpi_table_header header; /* Common ACPI table header */
520 u32 flags;
521};
522
523/* Masks for Flags field above */
524
525#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
526#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
527
528/*******************************************************************************
529 *
530 * WDAT - Watchdog Action Table
531 * Version 1
532 *
533 * Conforms to "Hardware Watchdog Timers Design Specification",
534 * Copyright 2006 Microsoft Corporation.
535 *
536 ******************************************************************************/
537
538struct acpi_table_wdat {
539 struct acpi_table_header header; /* Common ACPI table header */
540 u32 header_length; /* Watchdog Header Length */
541 u16 pci_segment; /* PCI Segment number */
542 u8 pci_bus; /* PCI Bus number */
543 u8 pci_device; /* PCI Device number */
544 u8 pci_function; /* PCI Function number */
545 u8 reserved[3];
546 u32 timer_period; /* Period of one timer count (msec) */
547 u32 max_count; /* Maximum counter value supported */
548 u32 min_count; /* Minimum counter value */
549 u8 flags;
550 u8 reserved2[3];
551 u32 entries; /* Number of watchdog entries that follow */
552};
553
554/* Masks for Flags field above */
555
556#define ACPI_WDAT_ENABLED (1)
557#define ACPI_WDAT_STOPPED 0x80
558
559/* WDAT Instruction Entries (actions) */
560
561struct acpi_wdat_entry {
562 u8 action;
563 u8 instruction;
564 u16 reserved;
565 struct acpi_generic_address register_region;
566 u32 value; /* Value used with Read/Write register */
567 u32 mask; /* Bitmask required for this register instruction */
568};
569
570/* Values for Action field above */
571
572enum acpi_wdat_actions {
573 ACPI_WDAT_RESET = 1,
574 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
575 ACPI_WDAT_GET_COUNTDOWN = 5,
576 ACPI_WDAT_SET_COUNTDOWN = 6,
577 ACPI_WDAT_GET_RUNNING_STATE = 8,
578 ACPI_WDAT_SET_RUNNING_STATE = 9,
579 ACPI_WDAT_GET_STOPPED_STATE = 10,
580 ACPI_WDAT_SET_STOPPED_STATE = 11,
581 ACPI_WDAT_GET_REBOOT = 16,
582 ACPI_WDAT_SET_REBOOT = 17,
583 ACPI_WDAT_GET_SHUTDOWN = 18,
584 ACPI_WDAT_SET_SHUTDOWN = 19,
585 ACPI_WDAT_GET_STATUS = 32,
586 ACPI_WDAT_SET_STATUS = 33,
587 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
588};
589
590/* Values for Instruction field above */
591
592enum acpi_wdat_instructions {
593 ACPI_WDAT_READ_VALUE = 0,
594 ACPI_WDAT_READ_COUNTDOWN = 1,
595 ACPI_WDAT_WRITE_VALUE = 2,
596 ACPI_WDAT_WRITE_COUNTDOWN = 3,
597 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
598 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
599};
600
601/*******************************************************************************
602 *
603 * WDDT - Watchdog Descriptor Table
604 * Version 1
605 *
606 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
607 * Version 001, September 2002
608 *
609 ******************************************************************************/
610
611struct acpi_table_wddt {
612 struct acpi_table_header header; /* Common ACPI table header */
613 u16 spec_version;
614 u16 table_version;
615 u16 pci_vendor_id;
616 struct acpi_generic_address address;
617 u16 max_count; /* Maximum counter value supported */
618 u16 min_count; /* Minimum counter value supported */
619 u16 period;
620 u16 status;
621 u16 capability;
622};
623
624/* Flags for Status field above */
625
626#define ACPI_WDDT_AVAILABLE (1)
627#define ACPI_WDDT_ACTIVE (1<<1)
628#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
629#define ACPI_WDDT_USER_RESET (1<<11)
630#define ACPI_WDDT_WDT_RESET (1<<12)
631#define ACPI_WDDT_POWER_FAIL (1<<13)
632#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
633
634/* Flags for Capability field above */
635
636#define ACPI_WDDT_AUTO_RESET (1)
637#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
638
639/*******************************************************************************
640 *
641 * WDRT - Watchdog Resource Table
642 * Version 1
643 *
644 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
645 * Version 1.01, August 28, 2006
646 *
647 ******************************************************************************/
648
649struct acpi_table_wdrt {
650 struct acpi_table_header header; /* Common ACPI table header */
651 struct acpi_generic_address control_register;
652 struct acpi_generic_address count_register;
653 u16 pci_device_id;
654 u16 pci_vendor_id;
655 u8 pci_bus; /* PCI Bus number */
656 u8 pci_device; /* PCI Device number */
657 u8 pci_function; /* PCI Function number */
658 u8 pci_segment; /* PCI Segment number */
659 u16 max_count; /* Maximum counter value supported */
660 u8 units;
661};
662
663/*******************************************************************************
664 *
665 * WPBT - Windows Platform Environment Table (ACPI 6.0)
666 * Version 1
667 *
668 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
669 *
670 ******************************************************************************/
671
672struct acpi_table_wpbt {
673 struct acpi_table_header header; /* Common ACPI table header */
674 u32 handoff_size;
675 u64 handoff_address;
676 u8 layout;
677 u8 type;
678 u16 arguments_length;
679};
680
681/*******************************************************************************
682 *
683 * WSMT - Windows SMM Security Mitigations Table
684 * Version 1
685 *
686 * Conforms to "Windows SMM Security Mitigations Table",
687 * Version 1.0, April 18, 2016
688 *
689 ******************************************************************************/
690
691struct acpi_table_wsmt {
692 struct acpi_table_header header; /* Common ACPI table header */
693 u32 protection_flags;
694};
695
696/* Flags for protection_flags field above */
697
698#define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
699#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
700#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
701
702/*******************************************************************************
703 *
704 * XENV - Xen Environment Table (ACPI 6.0)
705 * Version 1
706 *
707 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
708 *
709 ******************************************************************************/
710
711struct acpi_table_xenv {
712 struct acpi_table_header header; /* Common ACPI table header */
713 u64 grant_table_address;
714 u64 grant_table_size;
715 u32 event_interrupt;
716 u8 event_flags;
717};
718
719/* Reset to default packing */
720
721#pragma pack()
722
723#endif /* __ACTBL3_H__ */
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 - 2019, 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_VRTC "VRTC" /* Virtual Real Time Clock 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 Migrations 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
291/*******************************************************************************
292 *
293 * STAO - Status Override Table (_STA override) - ACPI 6.0
294 * Version 1
295 *
296 * Conforms to "ACPI Specification for Status Override Table"
297 * 6 January 2015
298 *
299 ******************************************************************************/
300
301struct acpi_table_stao {
302 struct acpi_table_header header; /* Common ACPI table header */
303 u8 ignore_uart;
304};
305
306/*******************************************************************************
307 *
308 * TCPA - Trusted Computing Platform Alliance table
309 * Version 2
310 *
311 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
312 *
313 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
314 * Version 1.2, Revision 8
315 * February 27, 2017
316 *
317 * NOTE: There are two versions of the table with the same signature --
318 * the client version and the server version. The common platform_class
319 * field is used to differentiate the two types of tables.
320 *
321 ******************************************************************************/
322
323struct acpi_table_tcpa_hdr {
324 struct acpi_table_header header; /* Common ACPI table header */
325 u16 platform_class;
326};
327
328/*
329 * Values for platform_class above.
330 * This is how the client and server subtables are differentiated
331 */
332#define ACPI_TCPA_CLIENT_TABLE 0
333#define ACPI_TCPA_SERVER_TABLE 1
334
335struct acpi_table_tcpa_client {
336 u32 minimum_log_length; /* Minimum length for the event log area */
337 u64 log_address; /* Address of the event log area */
338};
339
340struct acpi_table_tcpa_server {
341 u16 reserved;
342 u64 minimum_log_length; /* Minimum length for the event log area */
343 u64 log_address; /* Address of the event log area */
344 u16 spec_revision;
345 u8 device_flags;
346 u8 interrupt_flags;
347 u8 gpe_number;
348 u8 reserved2[3];
349 u32 global_interrupt;
350 struct acpi_generic_address address;
351 u32 reserved3;
352 struct acpi_generic_address config_address;
353 u8 group;
354 u8 bus; /* PCI Bus/Segment/Function numbers */
355 u8 device;
356 u8 function;
357};
358
359/* Values for device_flags above */
360
361#define ACPI_TCPA_PCI_DEVICE (1)
362#define ACPI_TCPA_BUS_PNP (1<<1)
363#define ACPI_TCPA_ADDRESS_VALID (1<<2)
364
365/* Values for interrupt_flags above */
366
367#define ACPI_TCPA_INTERRUPT_MODE (1)
368#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
369#define ACPI_TCPA_SCI_VIA_GPE (1<<2)
370#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
371
372/*******************************************************************************
373 *
374 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
375 * Version 4
376 *
377 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
378 *
379 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
380 * Version 1.2, Revision 8
381 * February 27, 2017
382 *
383 ******************************************************************************/
384
385/* Revision 3 */
386
387struct acpi_table_tpm23 {
388 struct acpi_table_header header; /* Common ACPI table header */
389 u32 reserved;
390 u64 control_address;
391 u32 start_method;
392};
393
394/* Value for start_method above */
395
396#define ACPI_TPM23_ACPI_START_METHOD 2
397
398/*
399 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
400 * reserved area of all zeros.
401 */
402struct acpi_tmp23_trailer {
403 u32 reserved;
404};
405
406/* Revision 4 */
407
408struct acpi_table_tpm2 {
409 struct acpi_table_header header; /* Common ACPI table header */
410 u16 platform_class;
411 u16 reserved;
412 u64 control_address;
413 u32 start_method;
414
415 /* Platform-specific data follows */
416};
417
418/* Values for start_method above */
419
420#define ACPI_TPM2_NOT_ALLOWED 0
421#define ACPI_TPM2_RESERVED1 1
422#define ACPI_TPM2_START_METHOD 2
423#define ACPI_TPM2_RESERVED3 3
424#define ACPI_TPM2_RESERVED4 4
425#define ACPI_TPM2_RESERVED5 5
426#define ACPI_TPM2_MEMORY_MAPPED 6
427#define ACPI_TPM2_COMMAND_BUFFER 7
428#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
429#define ACPI_TPM2_RESERVED9 9
430#define ACPI_TPM2_RESERVED10 10
431#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
432#define ACPI_TPM2_RESERVED 12
433
434/* Optional trailer appears after any start_method subtables */
435
436struct acpi_tpm2_trailer {
437 u8 method_parameters[12];
438 u32 minimum_log_length; /* Minimum length for the event log area */
439 u64 log_address; /* Address of the event log area */
440};
441
442/*
443 * Subtables (start_method-specific)
444 */
445
446/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
447
448struct acpi_tpm2_arm_smc {
449 u32 global_interrupt;
450 u8 interrupt_flags;
451 u8 operation_flags;
452 u16 reserved;
453 u32 function_id;
454};
455
456/* Values for interrupt_flags above */
457
458#define ACPI_TPM2_INTERRUPT_SUPPORT (1)
459
460/* Values for operation_flags above */
461
462#define ACPI_TPM2_IDLE_SUPPORT (1)
463
464/*******************************************************************************
465 *
466 * UEFI - UEFI Boot optimization Table
467 * Version 1
468 *
469 * Conforms to "Unified Extensible Firmware Interface Specification",
470 * Version 2.3, May 8, 2009
471 *
472 ******************************************************************************/
473
474struct acpi_table_uefi {
475 struct acpi_table_header header; /* Common ACPI table header */
476 u8 identifier[16]; /* UUID identifier */
477 u16 data_offset; /* Offset of remaining data in table */
478};
479
480/*******************************************************************************
481 *
482 * VRTC - Virtual Real Time Clock Table
483 * Version 1
484 *
485 * Conforms to "Simple Firmware Interface Specification",
486 * Draft 0.8.2, Oct 19, 2010
487 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
488 *
489 ******************************************************************************/
490
491struct acpi_table_vrtc {
492 struct acpi_table_header header; /* Common ACPI table header */
493};
494
495/* VRTC entry */
496
497struct acpi_vrtc_entry {
498 struct acpi_generic_address physical_address;
499 u32 irq;
500};
501
502/*******************************************************************************
503 *
504 * WAET - Windows ACPI Emulated devices Table
505 * Version 1
506 *
507 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
508 *
509 ******************************************************************************/
510
511struct acpi_table_waet {
512 struct acpi_table_header header; /* Common ACPI table header */
513 u32 flags;
514};
515
516/* Masks for Flags field above */
517
518#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
519#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
520
521/*******************************************************************************
522 *
523 * WDAT - Watchdog Action Table
524 * Version 1
525 *
526 * Conforms to "Hardware Watchdog Timers Design Specification",
527 * Copyright 2006 Microsoft Corporation.
528 *
529 ******************************************************************************/
530
531struct acpi_table_wdat {
532 struct acpi_table_header header; /* Common ACPI table header */
533 u32 header_length; /* Watchdog Header Length */
534 u16 pci_segment; /* PCI Segment number */
535 u8 pci_bus; /* PCI Bus number */
536 u8 pci_device; /* PCI Device number */
537 u8 pci_function; /* PCI Function number */
538 u8 reserved[3];
539 u32 timer_period; /* Period of one timer count (msec) */
540 u32 max_count; /* Maximum counter value supported */
541 u32 min_count; /* Minimum counter value */
542 u8 flags;
543 u8 reserved2[3];
544 u32 entries; /* Number of watchdog entries that follow */
545};
546
547/* Masks for Flags field above */
548
549#define ACPI_WDAT_ENABLED (1)
550#define ACPI_WDAT_STOPPED 0x80
551
552/* WDAT Instruction Entries (actions) */
553
554struct acpi_wdat_entry {
555 u8 action;
556 u8 instruction;
557 u16 reserved;
558 struct acpi_generic_address register_region;
559 u32 value; /* Value used with Read/Write register */
560 u32 mask; /* Bitmask required for this register instruction */
561};
562
563/* Values for Action field above */
564
565enum acpi_wdat_actions {
566 ACPI_WDAT_RESET = 1,
567 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
568 ACPI_WDAT_GET_COUNTDOWN = 5,
569 ACPI_WDAT_SET_COUNTDOWN = 6,
570 ACPI_WDAT_GET_RUNNING_STATE = 8,
571 ACPI_WDAT_SET_RUNNING_STATE = 9,
572 ACPI_WDAT_GET_STOPPED_STATE = 10,
573 ACPI_WDAT_SET_STOPPED_STATE = 11,
574 ACPI_WDAT_GET_REBOOT = 16,
575 ACPI_WDAT_SET_REBOOT = 17,
576 ACPI_WDAT_GET_SHUTDOWN = 18,
577 ACPI_WDAT_SET_SHUTDOWN = 19,
578 ACPI_WDAT_GET_STATUS = 32,
579 ACPI_WDAT_SET_STATUS = 33,
580 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
581};
582
583/* Values for Instruction field above */
584
585enum acpi_wdat_instructions {
586 ACPI_WDAT_READ_VALUE = 0,
587 ACPI_WDAT_READ_COUNTDOWN = 1,
588 ACPI_WDAT_WRITE_VALUE = 2,
589 ACPI_WDAT_WRITE_COUNTDOWN = 3,
590 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
591 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
592};
593
594/*******************************************************************************
595 *
596 * WDDT - Watchdog Descriptor Table
597 * Version 1
598 *
599 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
600 * Version 001, September 2002
601 *
602 ******************************************************************************/
603
604struct acpi_table_wddt {
605 struct acpi_table_header header; /* Common ACPI table header */
606 u16 spec_version;
607 u16 table_version;
608 u16 pci_vendor_id;
609 struct acpi_generic_address address;
610 u16 max_count; /* Maximum counter value supported */
611 u16 min_count; /* Minimum counter value supported */
612 u16 period;
613 u16 status;
614 u16 capability;
615};
616
617/* Flags for Status field above */
618
619#define ACPI_WDDT_AVAILABLE (1)
620#define ACPI_WDDT_ACTIVE (1<<1)
621#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
622#define ACPI_WDDT_USER_RESET (1<<11)
623#define ACPI_WDDT_WDT_RESET (1<<12)
624#define ACPI_WDDT_POWER_FAIL (1<<13)
625#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
626
627/* Flags for Capability field above */
628
629#define ACPI_WDDT_AUTO_RESET (1)
630#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
631
632/*******************************************************************************
633 *
634 * WDRT - Watchdog Resource Table
635 * Version 1
636 *
637 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
638 * Version 1.01, August 28, 2006
639 *
640 ******************************************************************************/
641
642struct acpi_table_wdrt {
643 struct acpi_table_header header; /* Common ACPI table header */
644 struct acpi_generic_address control_register;
645 struct acpi_generic_address count_register;
646 u16 pci_device_id;
647 u16 pci_vendor_id;
648 u8 pci_bus; /* PCI Bus number */
649 u8 pci_device; /* PCI Device number */
650 u8 pci_function; /* PCI Function number */
651 u8 pci_segment; /* PCI Segment number */
652 u16 max_count; /* Maximum counter value supported */
653 u8 units;
654};
655
656/*******************************************************************************
657 *
658 * WPBT - Windows Platform Environment Table (ACPI 6.0)
659 * Version 1
660 *
661 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
662 *
663 ******************************************************************************/
664
665struct acpi_table_wpbt {
666 struct acpi_table_header header; /* Common ACPI table header */
667 u32 handoff_size;
668 u64 handoff_address;
669 u8 layout;
670 u8 type;
671 u16 arguments_length;
672};
673
674/*******************************************************************************
675 *
676 * WSMT - Windows SMM Security Migrations Table
677 * Version 1
678 *
679 * Conforms to "Windows SMM Security Migrations Table",
680 * Version 1.0, April 18, 2016
681 *
682 ******************************************************************************/
683
684struct acpi_table_wsmt {
685 struct acpi_table_header header; /* Common ACPI table header */
686 u32 protection_flags;
687};
688
689/* Flags for protection_flags field above */
690
691#define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
692#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
693#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
694
695/*******************************************************************************
696 *
697 * XENV - Xen Environment Table (ACPI 6.0)
698 * Version 1
699 *
700 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
701 *
702 ******************************************************************************/
703
704struct acpi_table_xenv {
705 struct acpi_table_header header; /* Common ACPI table header */
706 u64 grant_table_address;
707 u64 grant_table_size;
708 u32 event_interrupt;
709 u8 event_flags;
710};
711
712/* Reset to default packing */
713
714#pragma pack()
715
716#endif /* __ACTBL3_H__ */