1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3 *
4 * Name: actbl3.h - ACPI Table Definitions
5 *
6 * Copyright (C) 2000 - 2023, Intel Corp.
7 *
8 *****************************************************************************/
9
10 #ifndef __ACTBL3_H__
11 #define __ACTBL3_H__
12
13 /*******************************************************************************
14 *
15 * Additional ACPI Tables
16 *
17 * These tables are not consumed directly by the ACPICA subsystem, but are
18 * included here to support device drivers and the AML disassembler.
19 *
20 ******************************************************************************/
21
22 /*
23 * Values for description table header signatures for tables defined in this
24 * file. Useful because they make it more difficult to inadvertently type in
25 * the wrong signature.
26 */
27 #define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */
28 #define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */
29 #define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
30 #define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
31 #define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */
32 #define ACPI_SIG_STAO "STAO" /* Status Override table */
33 #define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */
34 #define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */
35 #define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */
36 #define ACPI_SIG_VIOT "VIOT" /* Virtual I/O Translation Table */
37 #define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */
38 #define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */
39 #define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */
40 #define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */
41 #define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */
42 #define ACPI_SIG_WSMT "WSMT" /* Windows SMM Security Mitigations Table */
43 #define ACPI_SIG_XENV "XENV" /* Xen Environment table */
44 #define ACPI_SIG_XXXX "XXXX" /* Intermediate AML header for ASL/ASL+ converter */
45
46 /*
47 * All tables must be byte-packed to match the ACPI specification, since
48 * the tables are provided by the system BIOS.
49 */
50 #pragma pack(1)
51
52 /*
53 * Note: C bitfields are not used for this reason:
54 *
55 * "Bitfields are great and easy to read, but unfortunately the C language
56 * does not specify the layout of bitfields in memory, which means they are
57 * essentially useless for dealing with packed data in on-disk formats or
58 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
59 * this decision was a design error in C. Ritchie could have picked an order
60 * and stuck with it." Norman Ramsey.
61 * See http://stackoverflow.com/a/1053662/41661
62 */
63
64 /*******************************************************************************
65 *
66 * SLIC - Software Licensing Description Table
67 *
68 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
69 * November 29, 2011. Copyright 2011 Microsoft
70 *
71 ******************************************************************************/
72
73 /* Basic SLIC table is only the common ACPI header */
74
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[]; /* 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_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */
195 ACPI_SRAT_TYPE_RINTC_AFFINITY = 7, /* ACPI 6.6 */
196 ACPI_SRAT_TYPE_RESERVED = 8 /* 8 and greater are reserved */
197 };
198
199 /*
200 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
201 */
202
203 /* 0: Processor Local APIC/SAPIC Affinity */
204
205 struct acpi_srat_cpu_affinity {
206 struct acpi_subtable_header header;
207 u8 proximity_domain_lo;
208 u8 apic_id;
209 u32 flags;
210 u8 local_sapic_eid;
211 u8 proximity_domain_hi[3];
212 u32 clock_domain;
213 };
214
215 /* Flags */
216
217 #define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */
218
219 /* 1: Memory Affinity */
220
221 struct acpi_srat_mem_affinity {
222 struct acpi_subtable_header header;
223 u32 proximity_domain;
224 u16 reserved; /* Reserved, must be zero */
225 u64 base_address;
226 u64 length;
227 u32 reserved1;
228 u32 flags;
229 u64 reserved2; /* Reserved, must be zero */
230 };
231
232 /* Flags */
233
234 #define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */
235 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */
236 #define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */
237
238 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
239
240 struct acpi_srat_x2apic_cpu_affinity {
241 struct acpi_subtable_header header;
242 u16 reserved; /* Reserved, must be zero */
243 u32 proximity_domain;
244 u32 apic_id;
245 u32 flags;
246 u32 clock_domain;
247 u32 reserved2;
248 };
249
250 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
251
252 #define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
253
254 /* 3: GICC Affinity (ACPI 5.1) */
255
256 struct acpi_srat_gicc_affinity {
257 struct acpi_subtable_header header;
258 u32 proximity_domain;
259 u32 acpi_processor_uid;
260 u32 flags;
261 u32 clock_domain;
262 };
263
264 /* Flags for struct acpi_srat_gicc_affinity */
265
266 #define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */
267
268 /* 4: GCC ITS Affinity (ACPI 6.2) */
269
270 struct acpi_srat_gic_its_affinity {
271 struct acpi_subtable_header header;
272 u32 proximity_domain;
273 u16 reserved;
274 u32 its_id;
275 };
276
277 /*
278 * Common structure for SRAT subtable types:
279 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY
280 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY
281 */
282
283 #define ACPI_SRAT_DEVICE_HANDLE_SIZE 16
284
285 struct acpi_srat_generic_affinity {
286 struct acpi_subtable_header header;
287 u8 reserved;
288 u8 device_handle_type;
289 u32 proximity_domain;
290 u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE];
291 u32 flags;
292 u32 reserved1;
293 };
294
295 /* Flags for struct acpi_srat_generic_affinity */
296
297 #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
298 #define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */
299
300 /* 7: RINTC Affinity Structure(ACPI 6.6) */
301
302 struct acpi_srat_rintc_affinity {
303 struct acpi_subtable_header header;
304 u16 reserved;
305 u32 proximity_domain;
306 u32 acpi_processor_uid;
307 u32 flags;
308 u32 clock_domain;
309 };
310
311 /* Flags for struct acpi_srat_rintc_affinity */
312
313 #define ACPI_SRAT_RINTC_ENABLED (1) /* 00: Use affinity structure */
314
315 /*******************************************************************************
316 *
317 * STAO - Status Override Table (_STA override) - ACPI 6.0
318 * Version 1
319 *
320 * Conforms to "ACPI Specification for Status Override Table"
321 * 6 January 2015
322 *
323 ******************************************************************************/
324
325 struct acpi_table_stao {
326 struct acpi_table_header header; /* Common ACPI table header */
327 u8 ignore_uart;
328 };
329
330 /*******************************************************************************
331 *
332 * TCPA - Trusted Computing Platform Alliance table
333 * Version 2
334 *
335 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
336 *
337 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
338 * Version 1.2, Revision 8
339 * February 27, 2017
340 *
341 * NOTE: There are two versions of the table with the same signature --
342 * the client version and the server version. The common platform_class
343 * field is used to differentiate the two types of tables.
344 *
345 ******************************************************************************/
346
347 struct acpi_table_tcpa_hdr {
348 struct acpi_table_header header; /* Common ACPI table header */
349 u16 platform_class;
350 };
351
352 /*
353 * Values for platform_class above.
354 * This is how the client and server subtables are differentiated
355 */
356 #define ACPI_TCPA_CLIENT_TABLE 0
357 #define ACPI_TCPA_SERVER_TABLE 1
358
359 struct acpi_table_tcpa_client {
360 u32 minimum_log_length; /* Minimum length for the event log area */
361 u64 log_address; /* Address of the event log area */
362 };
363
364 struct acpi_table_tcpa_server {
365 u16 reserved;
366 u64 minimum_log_length; /* Minimum length for the event log area */
367 u64 log_address; /* Address of the event log area */
368 u16 spec_revision;
369 u8 device_flags;
370 u8 interrupt_flags;
371 u8 gpe_number;
372 u8 reserved2[3];
373 u32 global_interrupt;
374 struct acpi_generic_address address;
375 u32 reserved3;
376 struct acpi_generic_address config_address;
377 u8 group;
378 u8 bus; /* PCI Bus/Segment/Function numbers */
379 u8 device;
380 u8 function;
381 };
382
383 /* Values for device_flags above */
384
385 #define ACPI_TCPA_PCI_DEVICE (1)
386 #define ACPI_TCPA_BUS_PNP (1<<1)
387 #define ACPI_TCPA_ADDRESS_VALID (1<<2)
388
389 /* Values for interrupt_flags above */
390
391 #define ACPI_TCPA_INTERRUPT_MODE (1)
392 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
393 #define ACPI_TCPA_SCI_VIA_GPE (1<<2)
394 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
395
396 /*******************************************************************************
397 *
398 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
399 * Version 4
400 *
401 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
402 *
403 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
404 * Version 1.2, Revision 8
405 * February 27, 2017
406 *
407 ******************************************************************************/
408
409 /* Revision 3 */
410
411 struct acpi_table_tpm23 {
412 struct acpi_table_header header; /* Common ACPI table header */
413 u32 reserved;
414 u64 control_address;
415 u32 start_method;
416 };
417
418 /* Value for start_method above */
419
420 #define ACPI_TPM23_ACPI_START_METHOD 2
421
422 /*
423 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
424 * reserved area of all zeros.
425 */
426 struct acpi_tmp23_trailer {
427 u32 reserved;
428 };
429
430 /* Revision 4 */
431
432 struct acpi_table_tpm2 {
433 struct acpi_table_header header; /* Common ACPI table header */
434 u16 platform_class;
435 u16 reserved;
436 u64 control_address;
437 u32 start_method;
438
439 /* Platform-specific data follows */
440 };
441
442 /* Optional trailer for revision 4 holding platform-specific data */
443 struct acpi_tpm2_phy {
444 u8 start_method_specific[12];
445 u32 log_area_minimum_length;
446 u64 log_area_start_address;
447 };
448
449 /* Values for start_method above */
450
451 #define ACPI_TPM2_NOT_ALLOWED 0
452 #define ACPI_TPM2_RESERVED1 1
453 #define ACPI_TPM2_START_METHOD 2
454 #define ACPI_TPM2_RESERVED3 3
455 #define ACPI_TPM2_RESERVED4 4
456 #define ACPI_TPM2_RESERVED5 5
457 #define ACPI_TPM2_MEMORY_MAPPED 6
458 #define ACPI_TPM2_COMMAND_BUFFER 7
459 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
460 #define ACPI_TPM2_RESERVED9 9
461 #define ACPI_TPM2_RESERVED10 10
462 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
463 #define ACPI_TPM2_RESERVED 12
464 #define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13
465
466 /* Optional trailer appears after any start_method subtables */
467
468 struct acpi_tpm2_trailer {
469 u8 method_parameters[12];
470 u32 minimum_log_length; /* Minimum length for the event log area */
471 u64 log_address; /* Address of the event log area */
472 };
473
474 /*
475 * Subtables (start_method-specific)
476 */
477
478 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */
479
480 struct acpi_tpm2_arm_smc {
481 u32 global_interrupt;
482 u8 interrupt_flags;
483 u8 operation_flags;
484 u16 reserved;
485 u32 function_id;
486 };
487
488 /* Values for interrupt_flags above */
489
490 #define ACPI_TPM2_INTERRUPT_SUPPORT (1)
491
492 /* Values for operation_flags above */
493
494 #define ACPI_TPM2_IDLE_SUPPORT (1)
495
496 /*******************************************************************************
497 *
498 * UEFI - UEFI Boot optimization Table
499 * Version 1
500 *
501 * Conforms to "Unified Extensible Firmware Interface Specification",
502 * Version 2.3, May 8, 2009
503 *
504 ******************************************************************************/
505
506 struct acpi_table_uefi {
507 struct acpi_table_header header; /* Common ACPI table header */
508 u8 identifier[16]; /* UUID identifier */
509 u16 data_offset; /* Offset of remaining data in table */
510 };
511
512 /*******************************************************************************
513 *
514 * VIOT - Virtual I/O Translation Table
515 * Version 1
516 *
517 ******************************************************************************/
518
519 struct acpi_table_viot {
520 struct acpi_table_header header; /* Common ACPI table header */
521 u16 node_count;
522 u16 node_offset;
523 u8 reserved[8];
524 };
525
526 /* VIOT subtable header */
527
528 struct acpi_viot_header {
529 u8 type;
530 u8 reserved;
531 u16 length;
532 };
533
534 /* Values for Type field above */
535
536 enum acpi_viot_node_type {
537 ACPI_VIOT_NODE_PCI_RANGE = 0x01,
538 ACPI_VIOT_NODE_MMIO = 0x02,
539 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
540 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
541 ACPI_VIOT_RESERVED = 0x05
542 };
543
544 /* VIOT subtables */
545
546 struct acpi_viot_pci_range {
547 struct acpi_viot_header header;
548 u32 endpoint_start;
549 u16 segment_start;
550 u16 segment_end;
551 u16 bdf_start;
552 u16 bdf_end;
553 u16 output_node;
554 u8 reserved[6];
555 };
556
557 struct acpi_viot_mmio {
558 struct acpi_viot_header header;
559 u32 endpoint;
560 u64 base_address;
561 u16 output_node;
562 u8 reserved[6];
563 };
564
565 struct acpi_viot_virtio_iommu_pci {
566 struct acpi_viot_header header;
567 u16 segment;
568 u16 bdf;
569 u8 reserved[8];
570 };
571
572 struct acpi_viot_virtio_iommu_mmio {
573 struct acpi_viot_header header;
574 u8 reserved[4];
575 u64 base_address;
576 };
577
578 /*******************************************************************************
579 *
580 * WAET - Windows ACPI Emulated devices Table
581 * Version 1
582 *
583 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
584 *
585 ******************************************************************************/
586
587 struct acpi_table_waet {
588 struct acpi_table_header header; /* Common ACPI table header */
589 u32 flags;
590 };
591
592 /* Masks for Flags field above */
593
594 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
595 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
596
597 /*******************************************************************************
598 *
599 * WDAT - Watchdog Action Table
600 * Version 1
601 *
602 * Conforms to "Hardware Watchdog Timers Design Specification",
603 * Copyright 2006 Microsoft Corporation.
604 *
605 ******************************************************************************/
606
607 struct acpi_table_wdat {
608 struct acpi_table_header header; /* Common ACPI table header */
609 u32 header_length; /* Watchdog Header Length */
610 u16 pci_segment; /* PCI Segment number */
611 u8 pci_bus; /* PCI Bus number */
612 u8 pci_device; /* PCI Device number */
613 u8 pci_function; /* PCI Function number */
614 u8 reserved[3];
615 u32 timer_period; /* Period of one timer count (msec) */
616 u32 max_count; /* Maximum counter value supported */
617 u32 min_count; /* Minimum counter value */
618 u8 flags;
619 u8 reserved2[3];
620 u32 entries; /* Number of watchdog entries that follow */
621 };
622
623 /* Masks for Flags field above */
624
625 #define ACPI_WDAT_ENABLED (1)
626 #define ACPI_WDAT_STOPPED 0x80
627
628 /* WDAT Instruction Entries (actions) */
629
630 struct acpi_wdat_entry {
631 u8 action;
632 u8 instruction;
633 u16 reserved;
634 struct acpi_generic_address register_region;
635 u32 value; /* Value used with Read/Write register */
636 u32 mask; /* Bitmask required for this register instruction */
637 };
638
639 /* Values for Action field above */
640
641 enum acpi_wdat_actions {
642 ACPI_WDAT_RESET = 1,
643 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
644 ACPI_WDAT_GET_COUNTDOWN = 5,
645 ACPI_WDAT_SET_COUNTDOWN = 6,
646 ACPI_WDAT_GET_RUNNING_STATE = 8,
647 ACPI_WDAT_SET_RUNNING_STATE = 9,
648 ACPI_WDAT_GET_STOPPED_STATE = 10,
649 ACPI_WDAT_SET_STOPPED_STATE = 11,
650 ACPI_WDAT_GET_REBOOT = 16,
651 ACPI_WDAT_SET_REBOOT = 17,
652 ACPI_WDAT_GET_SHUTDOWN = 18,
653 ACPI_WDAT_SET_SHUTDOWN = 19,
654 ACPI_WDAT_GET_STATUS = 32,
655 ACPI_WDAT_SET_STATUS = 33,
656 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
657 };
658
659 /* Values for Instruction field above */
660
661 enum acpi_wdat_instructions {
662 ACPI_WDAT_READ_VALUE = 0,
663 ACPI_WDAT_READ_COUNTDOWN = 1,
664 ACPI_WDAT_WRITE_VALUE = 2,
665 ACPI_WDAT_WRITE_COUNTDOWN = 3,
666 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
667 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
668 };
669
670 /*******************************************************************************
671 *
672 * WDDT - Watchdog Descriptor Table
673 * Version 1
674 *
675 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
676 * Version 001, September 2002
677 *
678 ******************************************************************************/
679
680 struct acpi_table_wddt {
681 struct acpi_table_header header; /* Common ACPI table header */
682 u16 spec_version;
683 u16 table_version;
684 u16 pci_vendor_id;
685 struct acpi_generic_address address;
686 u16 max_count; /* Maximum counter value supported */
687 u16 min_count; /* Minimum counter value supported */
688 u16 period;
689 u16 status;
690 u16 capability;
691 };
692
693 /* Flags for Status field above */
694
695 #define ACPI_WDDT_AVAILABLE (1)
696 #define ACPI_WDDT_ACTIVE (1<<1)
697 #define ACPI_WDDT_TCO_OS_OWNED (1<<2)
698 #define ACPI_WDDT_USER_RESET (1<<11)
699 #define ACPI_WDDT_WDT_RESET (1<<12)
700 #define ACPI_WDDT_POWER_FAIL (1<<13)
701 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
702
703 /* Flags for Capability field above */
704
705 #define ACPI_WDDT_AUTO_RESET (1)
706 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
707
708 /*******************************************************************************
709 *
710 * WDRT - Watchdog Resource Table
711 * Version 1
712 *
713 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
714 * Version 1.01, August 28, 2006
715 *
716 ******************************************************************************/
717
718 struct acpi_table_wdrt {
719 struct acpi_table_header header; /* Common ACPI table header */
720 struct acpi_generic_address control_register;
721 struct acpi_generic_address count_register;
722 u16 pci_device_id;
723 u16 pci_vendor_id;
724 u8 pci_bus; /* PCI Bus number */
725 u8 pci_device; /* PCI Device number */
726 u8 pci_function; /* PCI Function number */
727 u8 pci_segment; /* PCI Segment number */
728 u16 max_count; /* Maximum counter value supported */
729 u8 units;
730 };
731
732 /*******************************************************************************
733 *
734 * WPBT - Windows Platform Environment Table (ACPI 6.0)
735 * Version 1
736 *
737 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
738 *
739 ******************************************************************************/
740
741 struct acpi_table_wpbt {
742 struct acpi_table_header header; /* Common ACPI table header */
743 u32 handoff_size;
744 u64 handoff_address;
745 u8 layout;
746 u8 type;
747 u16 arguments_length;
748 };
749
750 struct acpi_wpbt_unicode {
751 u16 *unicode_string;
752 };
753
754 /*******************************************************************************
755 *
756 * WSMT - Windows SMM Security Mitigations Table
757 * Version 1
758 *
759 * Conforms to "Windows SMM Security Mitigations Table",
760 * Version 1.0, April 18, 2016
761 *
762 ******************************************************************************/
763
764 struct acpi_table_wsmt {
765 struct acpi_table_header header; /* Common ACPI table header */
766 u32 protection_flags;
767 };
768
769 /* Flags for protection_flags field above */
770
771 #define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
772 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
773 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
774
775 /*******************************************************************************
776 *
777 * XENV - Xen Environment Table (ACPI 6.0)
778 * Version 1
779 *
780 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
781 *
782 ******************************************************************************/
783
784 struct acpi_table_xenv {
785 struct acpi_table_header header; /* Common ACPI table header */
786 u64 grant_table_address;
787 u64 grant_table_size;
788 u32 event_interrupt;
789 u8 event_flags;
790 };
791
792 /* Reset to default packing */
793
794 #pragma pack()
795
796 #endif /* __ACTBL3_H__ */
797
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