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actbl3.h

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linux-6.19.14/include/acpi/actbl3.h C
  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 - 2025, Intel Corp.
  7 *
  8 *****************************************************************************/
  9
 10#ifndef __ACTBL3_H__
 11#define __ACTBL3_H__
 12
 13/*******************************************************************************
 14 *
 15 * Additional ACPI Tables
 16 *
 17 * These tables are not consumed directly by the ACPICA subsystem, but are
 18 * included here to support device drivers and the AML disassembler.
 19 *
 20 ******************************************************************************/
 21
 22/*
 23 * Values for description table header signatures for tables defined in this
 24 * file. Useful because they make it more difficult to inadvertently type in
 25 * the wrong signature.
 26 */
 27#define ACPI_SIG_SLIC           "SLIC"	/* Software Licensing Description Table */
 28#define ACPI_SIG_SLIT           "SLIT"	/* System Locality Distance Information Table */
 29#define ACPI_SIG_SPCR           "SPCR"	/* Serial Port Console Redirection table */
 30#define ACPI_SIG_SPMI           "SPMI"	/* Server Platform Management Interface table */
 31#define ACPI_SIG_SRAT           "SRAT"	/* System Resource Affinity Table */
 32#define ACPI_SIG_STAO           "STAO"	/* Status Override table */
 33#define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
 34#define ACPI_SIG_TPM2           "TPM2"	/* Trusted Platform Module 2.0 H/W interface table */
 35#define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
 36#define ACPI_SIG_VIOT           "VIOT"	/* Virtual I/O Translation Table */
 37#define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */
 38#define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
 39#define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
 40#define ACPI_SIG_WDRT           "WDRT"	/* Watchdog Resource Table */
 41#define ACPI_SIG_WPBT           "WPBT"	/* Windows Platform Binary Table */
 42#define ACPI_SIG_WSMT           "WSMT"	/* Windows SMM Security Mitigations Table */
 43#define ACPI_SIG_XENV           "XENV"	/* Xen Environment table */
 44#define ACPI_SIG_XXXX           "XXXX"	/* Intermediate AML header for ASL/ASL+ converter */
 45
 46/*
 47 * All tables must be byte-packed to match the ACPI specification, since
 48 * the tables are provided by the system BIOS.
 49 */
 50#pragma pack(1)
 51
 52/*
 53 * Note: C bitfields are not used for this reason:
 54 *
 55 * "Bitfields are great and easy to read, but unfortunately the C language
 56 * does not specify the layout of bitfields in memory, which means they are
 57 * essentially useless for dealing with packed data in on-disk formats or
 58 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
 59 * this decision was a design error in C. Ritchie could have picked an order
 60 * and stuck with it." Norman Ramsey.
 61 * See http://stackoverflow.com/a/1053662/41661
 62 */
 63
 64/*******************************************************************************
 65 *
 66 * SLIC - Software Licensing Description Table
 67 *
 68 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
 69 * November 29, 2011. Copyright 2011 Microsoft
 70 *
 71 ******************************************************************************/
 72
 73/* Basic SLIC table is only the common ACPI header */
 74
 75struct acpi_table_slic {
 76	struct acpi_table_header header;	/* Common ACPI table header */
 77};
 78
 79/*******************************************************************************
 80 *
 81 * SLIT - System Locality Distance Information Table
 82 *        Version 1
 83 *
 84 ******************************************************************************/
 85
 86struct acpi_table_slit {
 87	struct acpi_table_header header;	/* Common ACPI table header */
 88	u64 locality_count;
 89	u8 entry[];				/* Real size = localities^2 */
 90};
 91
 92/*******************************************************************************
 93 *
 94 * SPCR - Serial Port Console Redirection table
 95 *        Version 4
 96 *
 97 * Conforms to "Serial Port Console Redirection Table",
 98 * Version 1.10, Jan 5, 2023
 99 *
100 ******************************************************************************/
101
102struct acpi_table_spcr {
103	struct acpi_table_header header;	/* Common ACPI table header */
104	u8 interface_type;	/* 0=full 16550, 1=subset of 16550 */
105	u8 reserved[3];
106	struct acpi_generic_address serial_port;
107	u8 interrupt_type;
108	u8 pc_interrupt;
109	u32 interrupt;
110	u8 baud_rate;
111	u8 parity;
112	u8 stop_bits;
113	u8 flow_control;
114	u8 terminal_type;
115	u8 language;
116	u16 pci_device_id;
117	u16 pci_vendor_id;
118	u8 pci_bus;
119	u8 pci_device;
120	u8 pci_function;
121	u32 pci_flags;
122	u8 pci_segment;
123	u32 uart_clk_freq;
124	u32 precise_baudrate;
125	u16 name_space_string_length;
126	u16 name_space_string_offset;
127	char name_space_string[];
128};
129
130/* Masks for pci_flags field above */
131
132#define ACPI_SPCR_DO_NOT_DISABLE    (1)
133
134/* Values for Interface Type: See the definition of the DBG2 table */
135
136/*******************************************************************************
137 *
138 * SPMI - Server Platform Management Interface table
139 *        Version 5
140 *
141 * Conforms to "Intelligent Platform Management Interface Specification
142 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
143 * June 12, 2009 markup.
144 *
145 ******************************************************************************/
146
147struct acpi_table_spmi {
148	struct acpi_table_header header;	/* Common ACPI table header */
149	u8 interface_type;
150	u8 reserved;		/* Must be 1 */
151	u16 spec_revision;	/* Version of IPMI */
152	u8 interrupt_type;
153	u8 gpe_number;		/* GPE assigned */
154	u8 reserved1;
155	u8 pci_device_flag;
156	u32 interrupt;
157	struct acpi_generic_address ipmi_register;
158	u8 pci_segment;
159	u8 pci_bus;
160	u8 pci_device;
161	u8 pci_function;
162	u8 reserved2;
163};
164
165/* Values for interface_type above */
166
167enum acpi_spmi_interface_types {
168	ACPI_SPMI_NOT_USED = 0,
169	ACPI_SPMI_KEYBOARD = 1,
170	ACPI_SPMI_SMI = 2,
171	ACPI_SPMI_BLOCK_TRANSFER = 3,
172	ACPI_SPMI_SMBUS = 4,
173	ACPI_SPMI_RESERVED = 5	/* 5 and above are reserved */
174};
175
176/*******************************************************************************
177 *
178 * SRAT - System Resource Affinity Table
179 *        Version 3
180 *
181 ******************************************************************************/
182
183struct acpi_table_srat {
184	struct acpi_table_header header;	/* Common ACPI table header */
185	u32 table_revision;	/* Must be value '1' */
186	u64 reserved;		/* Reserved, must be zero */
187};
188
189/* Values for subtable type in struct acpi_subtable_header */
190
191enum acpi_srat_type {
192	ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
193	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
194	ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
195	ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
196	ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4,	/* ACPI 6.2 */
197	ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5,	/* ACPI 6.3 */
198	ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6,	/* ACPI 6.4 */
199	ACPI_SRAT_TYPE_RINTC_AFFINITY = 7,	/* ACPI 6.6 */
200	ACPI_SRAT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
201};
202
203/*
204 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
205 */
206
207/* 0: Processor Local APIC/SAPIC Affinity */
208
209struct acpi_srat_cpu_affinity {
210	struct acpi_subtable_header header;
211	u8 proximity_domain_lo;
212	u8 apic_id;
213	u32 flags;
214	u8 local_sapic_eid;
215	u8 proximity_domain_hi[3];
216	u32 clock_domain;
217};
218
219/* Flags */
220
221#define ACPI_SRAT_CPU_USE_AFFINITY  (1)	/* 00: Use affinity structure */
222
223/* 1: Memory Affinity */
224
225struct acpi_srat_mem_affinity {
226	struct acpi_subtable_header header;
227	u32 proximity_domain;
228	u16 reserved;		/* Reserved, must be zero */
229	u64 base_address;
230	u64 length;
231	u32 reserved1;
232	u32 flags;
233	u64 reserved2;		/* Reserved, must be zero */
234};
235
236/* Flags */
237
238#define ACPI_SRAT_MEM_ENABLED       (1)	/* 00: Use affinity structure */
239#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
240#define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */
241
242/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
243
244struct acpi_srat_x2apic_cpu_affinity {
245	struct acpi_subtable_header header;
246	u16 reserved;		/* Reserved, must be zero */
247	u32 proximity_domain;
248	u32 apic_id;
249	u32 flags;
250	u32 clock_domain;
251	u32 reserved2;
252};
253
254/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
255
256#define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */
257
258/* 3: GICC Affinity (ACPI 5.1) */
259
260struct acpi_srat_gicc_affinity {
261	struct acpi_subtable_header header;
262	u32 proximity_domain;
263	u32 acpi_processor_uid;
264	u32 flags;
265	u32 clock_domain;
266};
267
268/* Flags for struct acpi_srat_gicc_affinity */
269
270#define ACPI_SRAT_GICC_ENABLED     (1)	/* 00: Use affinity structure */
271
272/* 4: GIC ITS Affinity (ACPI 6.2) */
273
274struct acpi_srat_gic_its_affinity {
275	struct acpi_subtable_header header;
276	u32 proximity_domain;
277	u16 reserved;
278	u32 its_id;
279};
280
281/*
282 * Common structure for SRAT subtable types:
283 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY
284 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY
285 */
286
287#define ACPI_SRAT_DEVICE_HANDLE_SIZE	16
288
289struct acpi_srat_generic_affinity {
290	struct acpi_subtable_header header;
291	u8 reserved;
292	u8 device_handle_type;
293	u32 proximity_domain;
294	u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE];
295	u32 flags;
296	u32 reserved1;
297};
298
299/* Flags for struct acpi_srat_generic_affinity */
300
301#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED     (1)	/* 00: Use affinity structure */
302#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS   (1<<1)	/* ACPI 6.4 */
303
304/* 7: RINTC Affinity Structure(ACPI 6.6) */
305
306struct acpi_srat_rintc_affinity {
307	struct acpi_subtable_header header;
308	u16 reserved;
309	u32 proximity_domain;
310	u32 acpi_processor_uid;
311	u32 flags;
312	u32 clock_domain;
313};
314
315/* Flags for struct acpi_srat_rintc_affinity */
316
317#define ACPI_SRAT_RINTC_ENABLED     (1)	/* 00: Use affinity structure */
318
319/*******************************************************************************
320 *
321 * STAO - Status Override Table (_STA override) - ACPI 6.0
322 *        Version 1
323 *
324 * Conforms to "ACPI Specification for Status Override Table"
325 * 6 January 2015
326 *
327 ******************************************************************************/
328
329struct acpi_table_stao {
330	struct acpi_table_header header;	/* Common ACPI table header */
331	u8 ignore_uart;
332};
333
334/*******************************************************************************
335 *
336 * TCPA - Trusted Computing Platform Alliance table
337 *        Version 2
338 *
339 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
340 *
341 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
342 * Version 1.2, Revision 8
343 * February 27, 2017
344 *
345 * NOTE: There are two versions of the table with the same signature --
346 * the client version and the server version. The common platform_class
347 * field is used to differentiate the two types of tables.
348 *
349 ******************************************************************************/
350
351struct acpi_table_tcpa_hdr {
352	struct acpi_table_header header;	/* Common ACPI table header */
353	u16 platform_class;
354};
355
356/*
357 * Values for platform_class above.
358 * This is how the client and server subtables are differentiated
359 */
360#define ACPI_TCPA_CLIENT_TABLE          0
361#define ACPI_TCPA_SERVER_TABLE          1
362
363struct acpi_table_tcpa_client {
364	u32 minimum_log_length;	/* Minimum length for the event log area */
365	u64 log_address;	/* Address of the event log area */
366};
367
368struct acpi_table_tcpa_server {
369	u16 reserved;
370	u64 minimum_log_length;	/* Minimum length for the event log area */
371	u64 log_address;	/* Address of the event log area */
372	u16 spec_revision;
373	u8 device_flags;
374	u8 interrupt_flags;
375	u8 gpe_number;
376	u8 reserved2[3];
377	u32 global_interrupt;
378	struct acpi_generic_address address;
379	u32 reserved3;
380	struct acpi_generic_address config_address;
381	u8 group;
382	u8 bus;			/* PCI Bus/Segment/Function numbers */
383	u8 device;
384	u8 function;
385};
386
387/* Values for device_flags above */
388
389#define ACPI_TCPA_PCI_DEVICE            (1)
390#define ACPI_TCPA_BUS_PNP               (1<<1)
391#define ACPI_TCPA_ADDRESS_VALID         (1<<2)
392
393/* Values for interrupt_flags above */
394
395#define ACPI_TCPA_INTERRUPT_MODE        (1)
396#define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
397#define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
398#define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)
399
400/*******************************************************************************
401 *
402 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
403 *        Version 4
404 *
405 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
406 *
407 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
408 * Version 1.2, Revision 8
409 * February 27, 2017
410 *
411 ******************************************************************************/
412
413/* Revision 3 */
414
415struct acpi_table_tpm23 {
416	struct acpi_table_header header;	/* Common ACPI table header */
417	u32 reserved;
418	u64 control_address;
419	u32 start_method;
420};
421
422/* Value for start_method above */
423
424#define ACPI_TPM23_ACPI_START_METHOD                 2
425
426/*
427 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
428 * reserved area of all zeros.
429 */
430struct acpi_tmp23_trailer {
431	u32 reserved;
432};
433
434/* Revision 4 */
435
436struct acpi_table_tpm2 {
437	struct acpi_table_header header;	/* Common ACPI table header */
438	u16 platform_class;
439	u16 reserved;
440	u64 control_address;
441	u32 start_method;
442
443	/* Platform-specific data follows */
444};
445
446/* Optional trailer for revision 4 holding platform-specific data */
447struct acpi_tpm2_phy {
448	u8  start_method_specific[12];
449	u32 log_area_minimum_length;
450	u64 log_area_start_address;
451};
452
453/* Values for start_method above */
454
455#define ACPI_TPM2_NOT_ALLOWED                       0
456#define ACPI_TPM2_RESERVED1                         1
457#define ACPI_TPM2_START_METHOD                      2
458#define ACPI_TPM2_RESERVED3                         3
459#define ACPI_TPM2_RESERVED4                         4
460#define ACPI_TPM2_RESERVED5                         5
461#define ACPI_TPM2_MEMORY_MAPPED                     6
462#define ACPI_TPM2_COMMAND_BUFFER                    7
463#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
464#define ACPI_TPM2_RESERVED9                         9
465#define ACPI_TPM2_RESERVED10                        10
466#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC       11	/* V1.2 Rev 8 */
467#define ACPI_TPM2_RESERVED                          12
468#define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON        13
469#define ACPI_TPM2_CRB_WITH_ARM_FFA                  15
470
471/* Optional trailer appears after any start_method subtables */
472
473struct acpi_tpm2_trailer {
474	u8 method_parameters[12];
475	u32 minimum_log_length;	/* Minimum length for the event log area */
476	u64 log_address;	/* Address of the event log area */
477};
478
479/*
480 * Subtables (start_method-specific)
481 */
482
483/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
484
485struct acpi_tpm2_arm_smc {
486	u32 global_interrupt;
487	u8 interrupt_flags;
488	u8 operation_flags;
489	u16 reserved;
490	u32 function_id;
491};
492
493/* Values for interrupt_flags above */
494
495#define ACPI_TPM2_INTERRUPT_SUPPORT     (1)
496
497/* Values for operation_flags above */
498
499#define ACPI_TPM2_IDLE_SUPPORT          (1)
500
501/*******************************************************************************
502 *
503 * UEFI - UEFI Boot optimization Table
504 *        Version 1
505 *
506 * Conforms to "Unified Extensible Firmware Interface Specification",
507 * Version 2.3, May 8, 2009
508 *
509 ******************************************************************************/
510
511struct acpi_table_uefi {
512	struct acpi_table_header header;	/* Common ACPI table header */
513	u8 identifier[16];	/* UUID identifier */
514	u16 data_offset;	/* Offset of remaining data in table */
515};
516
517/*******************************************************************************
518 *
519 * VIOT - Virtual I/O Translation Table
520 *        Version 1
521 *
522 ******************************************************************************/
523
524struct acpi_table_viot {
525	struct acpi_table_header header;	/* Common ACPI table header */
526	u16 node_count;
527	u16 node_offset;
528	u8 reserved[8];
529};
530
531/* VIOT subtable header */
532
533struct acpi_viot_header {
534	u8 type;
535	u8 reserved;
536	u16 length;
537};
538
539/* Values for Type field above */
540
541enum acpi_viot_node_type {
542	ACPI_VIOT_NODE_PCI_RANGE = 0x01,
543	ACPI_VIOT_NODE_MMIO = 0x02,
544	ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
545	ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
546	ACPI_VIOT_RESERVED = 0x05
547};
548
549/* VIOT subtables */
550
551struct acpi_viot_pci_range {
552	struct acpi_viot_header header;
553	u32 endpoint_start;
554	u16 segment_start;
555	u16 segment_end;
556	u16 bdf_start;
557	u16 bdf_end;
558	u16 output_node;
559	u8 reserved[6];
560};
561
562struct acpi_viot_mmio {
563	struct acpi_viot_header header;
564	u32 endpoint;
565	u64 base_address;
566	u16 output_node;
567	u8 reserved[6];
568};
569
570struct acpi_viot_virtio_iommu_pci {
571	struct acpi_viot_header header;
572	u16 segment;
573	u16 bdf;
574	u8 reserved[8];
575};
576
577struct acpi_viot_virtio_iommu_mmio {
578	struct acpi_viot_header header;
579	u8 reserved[4];
580	u64 base_address;
581};
582
583/*******************************************************************************
584 *
585 * WAET - Windows ACPI Emulated devices Table
586 *        Version 1
587 *
588 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
589 *
590 ******************************************************************************/
591
592struct acpi_table_waet {
593	struct acpi_table_header header;	/* Common ACPI table header */
594	u32 flags;
595};
596
597/* Masks for Flags field above */
598
599#define ACPI_WAET_RTC_NO_ACK        (1)	/* RTC requires no int acknowledge */
600#define ACPI_WAET_TIMER_ONE_READ    (1<<1)	/* PM timer requires only one read */
601
602/*******************************************************************************
603 *
604 * WDAT - Watchdog Action Table
605 *        Version 1
606 *
607 * Conforms to "Hardware Watchdog Timers Design Specification",
608 * Copyright 2006 Microsoft Corporation.
609 *
610 ******************************************************************************/
611
612struct acpi_table_wdat {
613	struct acpi_table_header header;	/* Common ACPI table header */
614	u32 header_length;	/* Watchdog Header Length */
615	u16 pci_segment;	/* PCI Segment number */
616	u8 pci_bus;		/* PCI Bus number */
617	u8 pci_device;		/* PCI Device number */
618	u8 pci_function;	/* PCI Function number */
619	u8 reserved[3];
620	u32 timer_period;	/* Period of one timer count (msec) */
621	u32 max_count;		/* Maximum counter value supported */
622	u32 min_count;		/* Minimum counter value */
623	u8 flags;
624	u8 reserved2[3];
625	u32 entries;		/* Number of watchdog entries that follow */
626};
627
628/* Masks for Flags field above */
629
630#define ACPI_WDAT_ENABLED           (1)
631#define ACPI_WDAT_STOPPED           0x80
632
633/* WDAT Instruction Entries (actions) */
634
635struct acpi_wdat_entry {
636	u8 action;
637	u8 instruction;
638	u16 reserved;
639	struct acpi_generic_address register_region;
640	u32 value;		/* Value used with Read/Write register */
641	u32 mask;		/* Bitmask required for this register instruction */
642};
643
644/* Values for Action field above */
645
646enum acpi_wdat_actions {
647	ACPI_WDAT_RESET = 1,
648	ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
649	ACPI_WDAT_GET_COUNTDOWN = 5,
650	ACPI_WDAT_SET_COUNTDOWN = 6,
651	ACPI_WDAT_GET_RUNNING_STATE = 8,
652	ACPI_WDAT_SET_RUNNING_STATE = 9,
653	ACPI_WDAT_GET_STOPPED_STATE = 10,
654	ACPI_WDAT_SET_STOPPED_STATE = 11,
655	ACPI_WDAT_GET_REBOOT = 16,
656	ACPI_WDAT_SET_REBOOT = 17,
657	ACPI_WDAT_GET_SHUTDOWN = 18,
658	ACPI_WDAT_SET_SHUTDOWN = 19,
659	ACPI_WDAT_GET_STATUS = 32,
660	ACPI_WDAT_SET_STATUS = 33,
661	ACPI_WDAT_ACTION_RESERVED = 34	/* 34 and greater are reserved */
662};
663
664/* Values for Instruction field above */
665
666enum acpi_wdat_instructions {
667	ACPI_WDAT_READ_VALUE = 0,
668	ACPI_WDAT_READ_COUNTDOWN = 1,
669	ACPI_WDAT_WRITE_VALUE = 2,
670	ACPI_WDAT_WRITE_COUNTDOWN = 3,
671	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
672	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
673};
674
675/*******************************************************************************
676 *
677 * WDDT - Watchdog Descriptor Table
678 *        Version 1
679 *
680 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
681 * Version 001, September 2002
682 *
683 ******************************************************************************/
684
685struct acpi_table_wddt {
686	struct acpi_table_header header;	/* Common ACPI table header */
687	u16 spec_version;
688	u16 table_version;
689	u16 pci_vendor_id;
690	struct acpi_generic_address address;
691	u16 max_count;		/* Maximum counter value supported */
692	u16 min_count;		/* Minimum counter value supported */
693	u16 period;
694	u16 status;
695	u16 capability;
696};
697
698/* Flags for Status field above */
699
700#define ACPI_WDDT_AVAILABLE     (1)
701#define ACPI_WDDT_ACTIVE        (1<<1)
702#define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
703#define ACPI_WDDT_USER_RESET    (1<<11)
704#define ACPI_WDDT_WDT_RESET     (1<<12)
705#define ACPI_WDDT_POWER_FAIL    (1<<13)
706#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
707
708/* Flags for Capability field above */
709
710#define ACPI_WDDT_AUTO_RESET    (1)
711#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
712
713/*******************************************************************************
714 *
715 * WDRT - Watchdog Resource Table
716 *        Version 1
717 *
718 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
719 * Version 1.01, August 28, 2006
720 *
721 ******************************************************************************/
722
723struct acpi_table_wdrt {
724	struct acpi_table_header header;	/* Common ACPI table header */
725	struct acpi_generic_address control_register;
726	struct acpi_generic_address count_register;
727	u16 pci_device_id;
728	u16 pci_vendor_id;
729	u8 pci_bus;		/* PCI Bus number */
730	u8 pci_device;		/* PCI Device number */
731	u8 pci_function;	/* PCI Function number */
732	u8 pci_segment;		/* PCI Segment number */
733	u16 max_count;		/* Maximum counter value supported */
734	u8 units;
735};
736
737/*******************************************************************************
738 *
739 * WPBT - Windows Platform Environment Table (ACPI 6.0)
740 *        Version 1
741 *
742 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
743 *
744 ******************************************************************************/
745
746struct acpi_table_wpbt {
747	struct acpi_table_header header;	/* Common ACPI table header */
748	u32 handoff_size;
749	u64 handoff_address;
750	u8 layout;
751	u8 type;
752	u16 arguments_length;
753};
754
755struct acpi_wpbt_unicode {
756	u16 *unicode_string;
757};
758
759/*******************************************************************************
760 *
761 * WSMT - Windows SMM Security Mitigations Table
762 *        Version 1
763 *
764 * Conforms to "Windows SMM Security Mitigations Table",
765 * Version 1.0, April 18, 2016
766 *
767 ******************************************************************************/
768
769struct acpi_table_wsmt {
770	struct acpi_table_header header;	/* Common ACPI table header */
771	u32 protection_flags;
772};
773
774/* Flags for protection_flags field above */
775
776#define ACPI_WSMT_FIXED_COMM_BUFFERS                (1)
777#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
778#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION        (4)
779
780/*******************************************************************************
781 *
782 * XENV - Xen Environment Table (ACPI 6.0)
783 *        Version 1
784 *
785 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
786 *
787 ******************************************************************************/
788
789struct acpi_table_xenv {
790	struct acpi_table_header header;	/* Common ACPI table header */
791	u64 grant_table_address;
792	u64 grant_table_size;
793	u32 event_interrupt;
794	u8 event_flags;
795};
796
797/* Reset to default packing */
798
799#pragma pack()
800
801#endif				/* __ACTBL3_H__ */
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