xref: /openbmc/linux/include/acpi/actbl3.h (revision fc7a6209)
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 
75 struct 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 
86 struct 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 
102 struct 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 
143 struct 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 
163 enum 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 
179 struct 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 
187 enum 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 
203 struct 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 
219 struct 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 
238 struct 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 
254 struct 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 
268 struct 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 
277 struct 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 
302 struct 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 
324 struct 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 
336 struct 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 
341 struct 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 
388 struct 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  */
403 struct acpi_tmp23_trailer {
404 	u32 reserved;
405 };
406 
407 /* Revision 4 */
408 
409 struct 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 */
420 struct 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 
444 struct 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 
456 struct 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 
482 struct 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 
495 struct 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 
504 struct acpi_viot_header {
505 	u8 type;
506 	u8 reserved;
507 	u16 length;
508 };
509 
510 /* Values for Type field above */
511 
512 enum 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 
522 struct 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 
533 struct 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 
541 struct acpi_viot_virtio_iommu_pci {
542 	struct acpi_viot_header header;
543 	u16 segment;
544 	u16 bdf;
545 	u8 reserved[8];
546 };
547 
548 struct 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 
563 struct 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 
583 struct 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 
606 struct 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 
617 enum 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 
637 enum 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 
656 struct 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 
694 struct 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 
717 struct 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 
736 struct 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 
756 struct 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__ */
769