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 - 2022, 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_GENERIC_PORT_AFFINITY = 6,	/* ACPI 6.4 */
195 	ACPI_SRAT_TYPE_RESERVED = 7	/* 7 and greater are reserved */
196 };
197 
198 /*
199  * SRAT Subtables, correspond to Type in struct acpi_subtable_header
200  */
201 
202 /* 0: Processor Local APIC/SAPIC Affinity */
203 
204 struct acpi_srat_cpu_affinity {
205 	struct acpi_subtable_header header;
206 	u8 proximity_domain_lo;
207 	u8 apic_id;
208 	u32 flags;
209 	u8 local_sapic_eid;
210 	u8 proximity_domain_hi[3];
211 	u32 clock_domain;
212 };
213 
214 /* Flags */
215 
216 #define ACPI_SRAT_CPU_USE_AFFINITY  (1)	/* 00: Use affinity structure */
217 
218 /* 1: Memory Affinity */
219 
220 struct acpi_srat_mem_affinity {
221 	struct acpi_subtable_header header;
222 	u32 proximity_domain;
223 	u16 reserved;		/* Reserved, must be zero */
224 	u64 base_address;
225 	u64 length;
226 	u32 reserved1;
227 	u32 flags;
228 	u64 reserved2;		/* Reserved, must be zero */
229 };
230 
231 /* Flags */
232 
233 #define ACPI_SRAT_MEM_ENABLED       (1)	/* 00: Use affinity structure */
234 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
235 #define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */
236 
237 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
238 
239 struct acpi_srat_x2apic_cpu_affinity {
240 	struct acpi_subtable_header header;
241 	u16 reserved;		/* Reserved, must be zero */
242 	u32 proximity_domain;
243 	u32 apic_id;
244 	u32 flags;
245 	u32 clock_domain;
246 	u32 reserved2;
247 };
248 
249 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
250 
251 #define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */
252 
253 /* 3: GICC Affinity (ACPI 5.1) */
254 
255 struct acpi_srat_gicc_affinity {
256 	struct acpi_subtable_header header;
257 	u32 proximity_domain;
258 	u32 acpi_processor_uid;
259 	u32 flags;
260 	u32 clock_domain;
261 };
262 
263 /* Flags for struct acpi_srat_gicc_affinity */
264 
265 #define ACPI_SRAT_GICC_ENABLED     (1)	/* 00: Use affinity structure */
266 
267 /* 4: GCC ITS Affinity (ACPI 6.2) */
268 
269 struct acpi_srat_gic_its_affinity {
270 	struct acpi_subtable_header header;
271 	u32 proximity_domain;
272 	u16 reserved;
273 	u32 its_id;
274 };
275 
276 /*
277  * Common structure for SRAT subtable types:
278  * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY
279  * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY
280  */
281 
282 struct acpi_srat_generic_affinity {
283 	struct acpi_subtable_header header;
284 	u8 reserved;
285 	u8 device_handle_type;
286 	u32 proximity_domain;
287 	u8 device_handle[16];
288 	u32 flags;
289 	u32 reserved1;
290 };
291 
292 /* Flags for struct acpi_srat_generic_affinity */
293 
294 #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED     (1)	/* 00: Use affinity structure */
295 #define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS   (1<<1)	/* ACPI 6.4 */
296 
297 /*******************************************************************************
298  *
299  * STAO - Status Override Table (_STA override) - ACPI 6.0
300  *        Version 1
301  *
302  * Conforms to "ACPI Specification for Status Override Table"
303  * 6 January 2015
304  *
305  ******************************************************************************/
306 
307 struct acpi_table_stao {
308 	struct acpi_table_header header;	/* Common ACPI table header */
309 	u8 ignore_uart;
310 };
311 
312 /*******************************************************************************
313  *
314  * TCPA - Trusted Computing Platform Alliance table
315  *        Version 2
316  *
317  * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
318  *
319  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
320  * Version 1.2, Revision 8
321  * February 27, 2017
322  *
323  * NOTE: There are two versions of the table with the same signature --
324  * the client version and the server version. The common platform_class
325  * field is used to differentiate the two types of tables.
326  *
327  ******************************************************************************/
328 
329 struct acpi_table_tcpa_hdr {
330 	struct acpi_table_header header;	/* Common ACPI table header */
331 	u16 platform_class;
332 };
333 
334 /*
335  * Values for platform_class above.
336  * This is how the client and server subtables are differentiated
337  */
338 #define ACPI_TCPA_CLIENT_TABLE          0
339 #define ACPI_TCPA_SERVER_TABLE          1
340 
341 struct acpi_table_tcpa_client {
342 	u32 minimum_log_length;	/* Minimum length for the event log area */
343 	u64 log_address;	/* Address of the event log area */
344 };
345 
346 struct acpi_table_tcpa_server {
347 	u16 reserved;
348 	u64 minimum_log_length;	/* Minimum length for the event log area */
349 	u64 log_address;	/* Address of the event log area */
350 	u16 spec_revision;
351 	u8 device_flags;
352 	u8 interrupt_flags;
353 	u8 gpe_number;
354 	u8 reserved2[3];
355 	u32 global_interrupt;
356 	struct acpi_generic_address address;
357 	u32 reserved3;
358 	struct acpi_generic_address config_address;
359 	u8 group;
360 	u8 bus;			/* PCI Bus/Segment/Function numbers */
361 	u8 device;
362 	u8 function;
363 };
364 
365 /* Values for device_flags above */
366 
367 #define ACPI_TCPA_PCI_DEVICE            (1)
368 #define ACPI_TCPA_BUS_PNP               (1<<1)
369 #define ACPI_TCPA_ADDRESS_VALID         (1<<2)
370 
371 /* Values for interrupt_flags above */
372 
373 #define ACPI_TCPA_INTERRUPT_MODE        (1)
374 #define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
375 #define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
376 #define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)
377 
378 /*******************************************************************************
379  *
380  * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
381  *        Version 4
382  *
383  * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
384  *
385  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
386  * Version 1.2, Revision 8
387  * February 27, 2017
388  *
389  ******************************************************************************/
390 
391 /* Revision 3 */
392 
393 struct acpi_table_tpm23 {
394 	struct acpi_table_header header;	/* Common ACPI table header */
395 	u32 reserved;
396 	u64 control_address;
397 	u32 start_method;
398 };
399 
400 /* Value for start_method above */
401 
402 #define ACPI_TPM23_ACPI_START_METHOD                 2
403 
404 /*
405  * Optional trailer for revision 3. If start method is 2, there is a 4 byte
406  * reserved area of all zeros.
407  */
408 struct acpi_tmp23_trailer {
409 	u32 reserved;
410 };
411 
412 /* Revision 4 */
413 
414 struct acpi_table_tpm2 {
415 	struct acpi_table_header header;	/* Common ACPI table header */
416 	u16 platform_class;
417 	u16 reserved;
418 	u64 control_address;
419 	u32 start_method;
420 
421 	/* Platform-specific data follows */
422 };
423 
424 /* Optional trailer for revision 4 holding platform-specific data */
425 struct acpi_tpm2_phy {
426 	u8  start_method_specific[12];
427 	u32 log_area_minimum_length;
428 	u64 log_area_start_address;
429 };
430 
431 /* Values for start_method above */
432 
433 #define ACPI_TPM2_NOT_ALLOWED                       0
434 #define ACPI_TPM2_RESERVED1                         1
435 #define ACPI_TPM2_START_METHOD                      2
436 #define ACPI_TPM2_RESERVED3                         3
437 #define ACPI_TPM2_RESERVED4                         4
438 #define ACPI_TPM2_RESERVED5                         5
439 #define ACPI_TPM2_MEMORY_MAPPED                     6
440 #define ACPI_TPM2_COMMAND_BUFFER                    7
441 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
442 #define ACPI_TPM2_RESERVED9                         9
443 #define ACPI_TPM2_RESERVED10                        10
444 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC       11	/* V1.2 Rev 8 */
445 #define ACPI_TPM2_RESERVED                          12
446 
447 /* Optional trailer appears after any start_method subtables */
448 
449 struct acpi_tpm2_trailer {
450 	u8 method_parameters[12];
451 	u32 minimum_log_length;	/* Minimum length for the event log area */
452 	u64 log_address;	/* Address of the event log area */
453 };
454 
455 /*
456  * Subtables (start_method-specific)
457  */
458 
459 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */
460 
461 struct acpi_tpm2_arm_smc {
462 	u32 global_interrupt;
463 	u8 interrupt_flags;
464 	u8 operation_flags;
465 	u16 reserved;
466 	u32 function_id;
467 };
468 
469 /* Values for interrupt_flags above */
470 
471 #define ACPI_TPM2_INTERRUPT_SUPPORT     (1)
472 
473 /* Values for operation_flags above */
474 
475 #define ACPI_TPM2_IDLE_SUPPORT          (1)
476 
477 /*******************************************************************************
478  *
479  * UEFI - UEFI Boot optimization Table
480  *        Version 1
481  *
482  * Conforms to "Unified Extensible Firmware Interface Specification",
483  * Version 2.3, May 8, 2009
484  *
485  ******************************************************************************/
486 
487 struct acpi_table_uefi {
488 	struct acpi_table_header header;	/* Common ACPI table header */
489 	u8 identifier[16];	/* UUID identifier */
490 	u16 data_offset;	/* Offset of remaining data in table */
491 };
492 
493 /*******************************************************************************
494  *
495  * VIOT - Virtual I/O Translation Table
496  *        Version 1
497  *
498  ******************************************************************************/
499 
500 struct acpi_table_viot {
501 	struct acpi_table_header header;	/* Common ACPI table header */
502 	u16 node_count;
503 	u16 node_offset;
504 	u8 reserved[8];
505 };
506 
507 /* VIOT subtable header */
508 
509 struct acpi_viot_header {
510 	u8 type;
511 	u8 reserved;
512 	u16 length;
513 };
514 
515 /* Values for Type field above */
516 
517 enum acpi_viot_node_type {
518 	ACPI_VIOT_NODE_PCI_RANGE = 0x01,
519 	ACPI_VIOT_NODE_MMIO = 0x02,
520 	ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
521 	ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
522 	ACPI_VIOT_RESERVED = 0x05
523 };
524 
525 /* VIOT subtables */
526 
527 struct acpi_viot_pci_range {
528 	struct acpi_viot_header header;
529 	u32 endpoint_start;
530 	u16 segment_start;
531 	u16 segment_end;
532 	u16 bdf_start;
533 	u16 bdf_end;
534 	u16 output_node;
535 	u8 reserved[6];
536 };
537 
538 struct acpi_viot_mmio {
539 	struct acpi_viot_header header;
540 	u32 endpoint;
541 	u64 base_address;
542 	u16 output_node;
543 	u8 reserved[6];
544 };
545 
546 struct acpi_viot_virtio_iommu_pci {
547 	struct acpi_viot_header header;
548 	u16 segment;
549 	u16 bdf;
550 	u8 reserved[8];
551 };
552 
553 struct acpi_viot_virtio_iommu_mmio {
554 	struct acpi_viot_header header;
555 	u8 reserved[4];
556 	u64 base_address;
557 };
558 
559 /*******************************************************************************
560  *
561  * WAET - Windows ACPI Emulated devices Table
562  *        Version 1
563  *
564  * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
565  *
566  ******************************************************************************/
567 
568 struct acpi_table_waet {
569 	struct acpi_table_header header;	/* Common ACPI table header */
570 	u32 flags;
571 };
572 
573 /* Masks for Flags field above */
574 
575 #define ACPI_WAET_RTC_NO_ACK        (1)	/* RTC requires no int acknowledge */
576 #define ACPI_WAET_TIMER_ONE_READ    (1<<1)	/* PM timer requires only one read */
577 
578 /*******************************************************************************
579  *
580  * WDAT - Watchdog Action Table
581  *        Version 1
582  *
583  * Conforms to "Hardware Watchdog Timers Design Specification",
584  * Copyright 2006 Microsoft Corporation.
585  *
586  ******************************************************************************/
587 
588 struct acpi_table_wdat {
589 	struct acpi_table_header header;	/* Common ACPI table header */
590 	u32 header_length;	/* Watchdog Header Length */
591 	u16 pci_segment;	/* PCI Segment number */
592 	u8 pci_bus;		/* PCI Bus number */
593 	u8 pci_device;		/* PCI Device number */
594 	u8 pci_function;	/* PCI Function number */
595 	u8 reserved[3];
596 	u32 timer_period;	/* Period of one timer count (msec) */
597 	u32 max_count;		/* Maximum counter value supported */
598 	u32 min_count;		/* Minimum counter value */
599 	u8 flags;
600 	u8 reserved2[3];
601 	u32 entries;		/* Number of watchdog entries that follow */
602 };
603 
604 /* Masks for Flags field above */
605 
606 #define ACPI_WDAT_ENABLED           (1)
607 #define ACPI_WDAT_STOPPED           0x80
608 
609 /* WDAT Instruction Entries (actions) */
610 
611 struct acpi_wdat_entry {
612 	u8 action;
613 	u8 instruction;
614 	u16 reserved;
615 	struct acpi_generic_address register_region;
616 	u32 value;		/* Value used with Read/Write register */
617 	u32 mask;		/* Bitmask required for this register instruction */
618 };
619 
620 /* Values for Action field above */
621 
622 enum acpi_wdat_actions {
623 	ACPI_WDAT_RESET = 1,
624 	ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
625 	ACPI_WDAT_GET_COUNTDOWN = 5,
626 	ACPI_WDAT_SET_COUNTDOWN = 6,
627 	ACPI_WDAT_GET_RUNNING_STATE = 8,
628 	ACPI_WDAT_SET_RUNNING_STATE = 9,
629 	ACPI_WDAT_GET_STOPPED_STATE = 10,
630 	ACPI_WDAT_SET_STOPPED_STATE = 11,
631 	ACPI_WDAT_GET_REBOOT = 16,
632 	ACPI_WDAT_SET_REBOOT = 17,
633 	ACPI_WDAT_GET_SHUTDOWN = 18,
634 	ACPI_WDAT_SET_SHUTDOWN = 19,
635 	ACPI_WDAT_GET_STATUS = 32,
636 	ACPI_WDAT_SET_STATUS = 33,
637 	ACPI_WDAT_ACTION_RESERVED = 34	/* 34 and greater are reserved */
638 };
639 
640 /* Values for Instruction field above */
641 
642 enum acpi_wdat_instructions {
643 	ACPI_WDAT_READ_VALUE = 0,
644 	ACPI_WDAT_READ_COUNTDOWN = 1,
645 	ACPI_WDAT_WRITE_VALUE = 2,
646 	ACPI_WDAT_WRITE_COUNTDOWN = 3,
647 	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
648 	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
649 };
650 
651 /*******************************************************************************
652  *
653  * WDDT - Watchdog Descriptor Table
654  *        Version 1
655  *
656  * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
657  * Version 001, September 2002
658  *
659  ******************************************************************************/
660 
661 struct acpi_table_wddt {
662 	struct acpi_table_header header;	/* Common ACPI table header */
663 	u16 spec_version;
664 	u16 table_version;
665 	u16 pci_vendor_id;
666 	struct acpi_generic_address address;
667 	u16 max_count;		/* Maximum counter value supported */
668 	u16 min_count;		/* Minimum counter value supported */
669 	u16 period;
670 	u16 status;
671 	u16 capability;
672 };
673 
674 /* Flags for Status field above */
675 
676 #define ACPI_WDDT_AVAILABLE     (1)
677 #define ACPI_WDDT_ACTIVE        (1<<1)
678 #define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
679 #define ACPI_WDDT_USER_RESET    (1<<11)
680 #define ACPI_WDDT_WDT_RESET     (1<<12)
681 #define ACPI_WDDT_POWER_FAIL    (1<<13)
682 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
683 
684 /* Flags for Capability field above */
685 
686 #define ACPI_WDDT_AUTO_RESET    (1)
687 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
688 
689 /*******************************************************************************
690  *
691  * WDRT - Watchdog Resource Table
692  *        Version 1
693  *
694  * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
695  * Version 1.01, August 28, 2006
696  *
697  ******************************************************************************/
698 
699 struct acpi_table_wdrt {
700 	struct acpi_table_header header;	/* Common ACPI table header */
701 	struct acpi_generic_address control_register;
702 	struct acpi_generic_address count_register;
703 	u16 pci_device_id;
704 	u16 pci_vendor_id;
705 	u8 pci_bus;		/* PCI Bus number */
706 	u8 pci_device;		/* PCI Device number */
707 	u8 pci_function;	/* PCI Function number */
708 	u8 pci_segment;		/* PCI Segment number */
709 	u16 max_count;		/* Maximum counter value supported */
710 	u8 units;
711 };
712 
713 /*******************************************************************************
714  *
715  * WPBT - Windows Platform Environment Table (ACPI 6.0)
716  *        Version 1
717  *
718  * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
719  *
720  ******************************************************************************/
721 
722 struct acpi_table_wpbt {
723 	struct acpi_table_header header;	/* Common ACPI table header */
724 	u32 handoff_size;
725 	u64 handoff_address;
726 	u8 layout;
727 	u8 type;
728 	u16 arguments_length;
729 };
730 
731 struct acpi_wpbt_unicode {
732 	u16 *unicode_string;
733 };
734 
735 /*******************************************************************************
736  *
737  * WSMT - Windows SMM Security Mitigations Table
738  *        Version 1
739  *
740  * Conforms to "Windows SMM Security Mitigations Table",
741  * Version 1.0, April 18, 2016
742  *
743  ******************************************************************************/
744 
745 struct acpi_table_wsmt {
746 	struct acpi_table_header header;	/* Common ACPI table header */
747 	u32 protection_flags;
748 };
749 
750 /* Flags for protection_flags field above */
751 
752 #define ACPI_WSMT_FIXED_COMM_BUFFERS                (1)
753 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
754 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION        (4)
755 
756 /*******************************************************************************
757  *
758  * XENV - Xen Environment Table (ACPI 6.0)
759  *        Version 1
760  *
761  * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
762  *
763  ******************************************************************************/
764 
765 struct acpi_table_xenv {
766 	struct acpi_table_header header;	/* Common ACPI table header */
767 	u64 grant_table_address;
768 	u64 grant_table_size;
769 	u32 event_interrupt;
770 	u8 event_flags;
771 };
772 
773 /* Reset to default packing */
774 
775 #pragma pack()
776 
777 #endif				/* __ACTBL3_H__ */
778