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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: actbl3.h - ACPI Table Definitions
5 *
6 * Copyright (C) 2000 - 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_WAET "WAET" /* Windows ACPI Emulated devices Table */
37#define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */
38#define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */
39#define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */
40#define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */
41#define ACPI_SIG_WSMT "WSMT" /* Windows SMM Security Mitigations Table */
42#define ACPI_SIG_XENV "XENV" /* Xen Environment table */
43#define ACPI_SIG_XXXX "XXXX" /* Intermediate AML header for ASL/ASL+ converter */
44
45/*
46 * All tables must be byte-packed to match the ACPI specification, since
47 * the tables are provided by the system BIOS.
48 */
49#pragma pack(1)
50
51/*
52 * Note: C bitfields are not used for this reason:
53 *
54 * "Bitfields are great and easy to read, but unfortunately the C language
55 * does not specify the layout of bitfields in memory, which means they are
56 * essentially useless for dealing with packed data in on-disk formats or
57 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
58 * this decision was a design error in C. Ritchie could have picked an order
59 * and stuck with it." Norman Ramsey.
60 * See http://stackoverflow.com/a/1053662/41661
61 */
62
63/*******************************************************************************
64 *
65 * SLIC - Software Licensing Description Table
66 *
67 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
68 * November 29, 2011. Copyright 2011 Microsoft
69 *
70 ******************************************************************************/
71
72/* Basic SLIC table is only the common ACPI header */
73
74struct acpi_table_slic {
75 struct acpi_table_header header; /* Common ACPI table header */
76};
77
78/*******************************************************************************
79 *
80 * SLIT - System Locality Distance Information Table
81 * Version 1
82 *
83 ******************************************************************************/
84
85struct acpi_table_slit {
86 struct acpi_table_header header; /* Common ACPI table header */
87 u64 locality_count;
88 u8 entry[1]; /* Real size = localities^2 */
89};
90
91/*******************************************************************************
92 *
93 * SPCR - Serial Port Console Redirection table
94 * Version 2
95 *
96 * Conforms to "Serial Port Console Redirection Table",
97 * Version 1.03, August 10, 2015
98 *
99 ******************************************************************************/
100
101struct acpi_table_spcr {
102 struct acpi_table_header header; /* Common ACPI table header */
103 u8 interface_type; /* 0=full 16550, 1=subset of 16550 */
104 u8 reserved[3];
105 struct acpi_generic_address serial_port;
106 u8 interrupt_type;
107 u8 pc_interrupt;
108 u32 interrupt;
109 u8 baud_rate;
110 u8 parity;
111 u8 stop_bits;
112 u8 flow_control;
113 u8 terminal_type;
114 u8 reserved1;
115 u16 pci_device_id;
116 u16 pci_vendor_id;
117 u8 pci_bus;
118 u8 pci_device;
119 u8 pci_function;
120 u32 pci_flags;
121 u8 pci_segment;
122 u32 reserved2;
123};
124
125/* Masks for pci_flags field above */
126
127#define ACPI_SPCR_DO_NOT_DISABLE (1)
128
129/* Values for Interface Type: See the definition of the DBG2 table */
130
131/*******************************************************************************
132 *
133 * SPMI - Server Platform Management Interface table
134 * Version 5
135 *
136 * Conforms to "Intelligent Platform Management Interface Specification
137 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
138 * June 12, 2009 markup.
139 *
140 ******************************************************************************/
141
142struct acpi_table_spmi {
143 struct acpi_table_header header; /* Common ACPI table header */
144 u8 interface_type;
145 u8 reserved; /* Must be 1 */
146 u16 spec_revision; /* Version of IPMI */
147 u8 interrupt_type;
148 u8 gpe_number; /* GPE assigned */
149 u8 reserved1;
150 u8 pci_device_flag;
151 u32 interrupt;
152 struct acpi_generic_address ipmi_register;
153 u8 pci_segment;
154 u8 pci_bus;
155 u8 pci_device;
156 u8 pci_function;
157 u8 reserved2;
158};
159
160/* Values for interface_type above */
161
162enum acpi_spmi_interface_types {
163 ACPI_SPMI_NOT_USED = 0,
164 ACPI_SPMI_KEYBOARD = 1,
165 ACPI_SPMI_SMI = 2,
166 ACPI_SPMI_BLOCK_TRANSFER = 3,
167 ACPI_SPMI_SMBUS = 4,
168 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */
169};
170
171/*******************************************************************************
172 *
173 * SRAT - System Resource Affinity Table
174 * Version 3
175 *
176 ******************************************************************************/
177
178struct acpi_table_srat {
179 struct acpi_table_header header; /* Common ACPI table header */
180 u32 table_revision; /* Must be value '1' */
181 u64 reserved; /* Reserved, must be zero */
182};
183
184/* Values for subtable type in struct acpi_subtable_header */
185
186enum acpi_srat_type {
187 ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
188 ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
189 ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
190 ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
191 ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */
192 ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */
193 ACPI_SRAT_TYPE_RESERVED = 6 /* 5 and greater are reserved */
194};
195
196/*
197 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
198 */
199
200/* 0: Processor Local APIC/SAPIC Affinity */
201
202struct acpi_srat_cpu_affinity {
203 struct acpi_subtable_header header;
204 u8 proximity_domain_lo;
205 u8 apic_id;
206 u32 flags;
207 u8 local_sapic_eid;
208 u8 proximity_domain_hi[3];
209 u32 clock_domain;
210};
211
212/* Flags */
213
214#define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */
215
216/* 1: Memory Affinity */
217
218struct acpi_srat_mem_affinity {
219 struct acpi_subtable_header header;
220 u32 proximity_domain;
221 u16 reserved; /* Reserved, must be zero */
222 u64 base_address;
223 u64 length;
224 u32 reserved1;
225 u32 flags;
226 u64 reserved2; /* Reserved, must be zero */
227};
228
229/* Flags */
230
231#define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */
232#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */
233#define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */
234
235/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
236
237struct acpi_srat_x2apic_cpu_affinity {
238 struct acpi_subtable_header header;
239 u16 reserved; /* Reserved, must be zero */
240 u32 proximity_domain;
241 u32 apic_id;
242 u32 flags;
243 u32 clock_domain;
244 u32 reserved2;
245};
246
247/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
248
249#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
250
251/* 3: GICC Affinity (ACPI 5.1) */
252
253struct acpi_srat_gicc_affinity {
254 struct acpi_subtable_header header;
255 u32 proximity_domain;
256 u32 acpi_processor_uid;
257 u32 flags;
258 u32 clock_domain;
259};
260
261/* Flags for struct acpi_srat_gicc_affinity */
262
263#define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */
264
265/* 4: GCC ITS Affinity (ACPI 6.2) */
266
267struct acpi_srat_gic_its_affinity {
268 struct acpi_subtable_header header;
269 u32 proximity_domain;
270 u16 reserved;
271 u32 its_id;
272};
273
274/* 5: Generic Initiator Affinity Structure (ACPI 6.3) */
275
276struct acpi_srat_generic_affinity {
277 struct acpi_subtable_header header;
278 u8 reserved;
279 u8 device_handle_type;
280 u32 proximity_domain;
281 u8 device_handle[16];
282 u32 flags;
283 u32 reserved1;
284};
285
286/* Flags for struct acpi_srat_generic_affinity */
287
288#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
289
290/*******************************************************************************
291 *
292 * STAO - Status Override Table (_STA override) - ACPI 6.0
293 * Version 1
294 *
295 * Conforms to "ACPI Specification for Status Override Table"
296 * 6 January 2015
297 *
298 ******************************************************************************/
299
300struct acpi_table_stao {
301 struct acpi_table_header header; /* Common ACPI table header */
302 u8 ignore_uart;
303};
304
305/*******************************************************************************
306 *
307 * TCPA - Trusted Computing Platform Alliance table
308 * Version 2
309 *
310 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
311 *
312 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
313 * Version 1.2, Revision 8
314 * February 27, 2017
315 *
316 * NOTE: There are two versions of the table with the same signature --
317 * the client version and the server version. The common platform_class
318 * field is used to differentiate the two types of tables.
319 *
320 ******************************************************************************/
321
322struct acpi_table_tcpa_hdr {
323 struct acpi_table_header header; /* Common ACPI table header */
324 u16 platform_class;
325};
326
327/*
328 * Values for platform_class above.
329 * This is how the client and server subtables are differentiated
330 */
331#define ACPI_TCPA_CLIENT_TABLE 0
332#define ACPI_TCPA_SERVER_TABLE 1
333
334struct acpi_table_tcpa_client {
335 u32 minimum_log_length; /* Minimum length for the event log area */
336 u64 log_address; /* Address of the event log area */
337};
338
339struct acpi_table_tcpa_server {
340 u16 reserved;
341 u64 minimum_log_length; /* Minimum length for the event log area */
342 u64 log_address; /* Address of the event log area */
343 u16 spec_revision;
344 u8 device_flags;
345 u8 interrupt_flags;
346 u8 gpe_number;
347 u8 reserved2[3];
348 u32 global_interrupt;
349 struct acpi_generic_address address;
350 u32 reserved3;
351 struct acpi_generic_address config_address;
352 u8 group;
353 u8 bus; /* PCI Bus/Segment/Function numbers */
354 u8 device;
355 u8 function;
356};
357
358/* Values for device_flags above */
359
360#define ACPI_TCPA_PCI_DEVICE (1)
361#define ACPI_TCPA_BUS_PNP (1<<1)
362#define ACPI_TCPA_ADDRESS_VALID (1<<2)
363
364/* Values for interrupt_flags above */
365
366#define ACPI_TCPA_INTERRUPT_MODE (1)
367#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
368#define ACPI_TCPA_SCI_VIA_GPE (1<<2)
369#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
370
371/*******************************************************************************
372 *
373 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
374 * Version 4
375 *
376 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
377 *
378 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
379 * Version 1.2, Revision 8
380 * February 27, 2017
381 *
382 ******************************************************************************/
383
384/* Revision 3 */
385
386struct acpi_table_tpm23 {
387 struct acpi_table_header header; /* Common ACPI table header */
388 u32 reserved;
389 u64 control_address;
390 u32 start_method;
391};
392
393/* Value for start_method above */
394
395#define ACPI_TPM23_ACPI_START_METHOD 2
396
397/*
398 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
399 * reserved area of all zeros.
400 */
401struct acpi_tmp23_trailer {
402 u32 reserved;
403};
404
405/* Revision 4 */
406
407struct acpi_table_tpm2 {
408 struct acpi_table_header header; /* Common ACPI table header */
409 u16 platform_class;
410 u16 reserved;
411 u64 control_address;
412 u32 start_method;
413
414 /* Platform-specific data follows */
415};
416
417/* Optional trailer for revision 4 holding platform-specific data */
418struct acpi_tpm2_phy {
419 u8 start_method_specific[12];
420 u32 log_area_minimum_length;
421 u64 log_area_start_address;
422};
423
424/* Values for start_method above */
425
426#define ACPI_TPM2_NOT_ALLOWED 0
427#define ACPI_TPM2_RESERVED1 1
428#define ACPI_TPM2_START_METHOD 2
429#define ACPI_TPM2_RESERVED3 3
430#define ACPI_TPM2_RESERVED4 4
431#define ACPI_TPM2_RESERVED5 5
432#define ACPI_TPM2_MEMORY_MAPPED 6
433#define ACPI_TPM2_COMMAND_BUFFER 7
434#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
435#define ACPI_TPM2_RESERVED9 9
436#define ACPI_TPM2_RESERVED10 10
437#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
438#define ACPI_TPM2_RESERVED 12
439
440/* Optional trailer appears after any start_method subtables */
441
442struct acpi_tpm2_trailer {
443 u8 method_parameters[12];
444 u32 minimum_log_length; /* Minimum length for the event log area */
445 u64 log_address; /* Address of the event log area */
446};
447
448/*
449 * Subtables (start_method-specific)
450 */
451
452/* 11: Start Method for ARM SMC (V1.2 Rev 8) */
453
454struct acpi_tpm2_arm_smc {
455 u32 global_interrupt;
456 u8 interrupt_flags;
457 u8 operation_flags;
458 u16 reserved;
459 u32 function_id;
460};
461
462/* Values for interrupt_flags above */
463
464#define ACPI_TPM2_INTERRUPT_SUPPORT (1)
465
466/* Values for operation_flags above */
467
468#define ACPI_TPM2_IDLE_SUPPORT (1)
469
470/*******************************************************************************
471 *
472 * UEFI - UEFI Boot optimization Table
473 * Version 1
474 *
475 * Conforms to "Unified Extensible Firmware Interface Specification",
476 * Version 2.3, May 8, 2009
477 *
478 ******************************************************************************/
479
480struct acpi_table_uefi {
481 struct acpi_table_header header; /* Common ACPI table header */
482 u8 identifier[16]; /* UUID identifier */
483 u16 data_offset; /* Offset of remaining data in table */
484};
485
486/*******************************************************************************
487 *
488 * WAET - Windows ACPI Emulated devices Table
489 * Version 1
490 *
491 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
492 *
493 ******************************************************************************/
494
495struct acpi_table_waet {
496 struct acpi_table_header header; /* Common ACPI table header */
497 u32 flags;
498};
499
500/* Masks for Flags field above */
501
502#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
503#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
504
505/*******************************************************************************
506 *
507 * WDAT - Watchdog Action Table
508 * Version 1
509 *
510 * Conforms to "Hardware Watchdog Timers Design Specification",
511 * Copyright 2006 Microsoft Corporation.
512 *
513 ******************************************************************************/
514
515struct acpi_table_wdat {
516 struct acpi_table_header header; /* Common ACPI table header */
517 u32 header_length; /* Watchdog Header Length */
518 u16 pci_segment; /* PCI Segment number */
519 u8 pci_bus; /* PCI Bus number */
520 u8 pci_device; /* PCI Device number */
521 u8 pci_function; /* PCI Function number */
522 u8 reserved[3];
523 u32 timer_period; /* Period of one timer count (msec) */
524 u32 max_count; /* Maximum counter value supported */
525 u32 min_count; /* Minimum counter value */
526 u8 flags;
527 u8 reserved2[3];
528 u32 entries; /* Number of watchdog entries that follow */
529};
530
531/* Masks for Flags field above */
532
533#define ACPI_WDAT_ENABLED (1)
534#define ACPI_WDAT_STOPPED 0x80
535
536/* WDAT Instruction Entries (actions) */
537
538struct acpi_wdat_entry {
539 u8 action;
540 u8 instruction;
541 u16 reserved;
542 struct acpi_generic_address register_region;
543 u32 value; /* Value used with Read/Write register */
544 u32 mask; /* Bitmask required for this register instruction */
545};
546
547/* Values for Action field above */
548
549enum acpi_wdat_actions {
550 ACPI_WDAT_RESET = 1,
551 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
552 ACPI_WDAT_GET_COUNTDOWN = 5,
553 ACPI_WDAT_SET_COUNTDOWN = 6,
554 ACPI_WDAT_GET_RUNNING_STATE = 8,
555 ACPI_WDAT_SET_RUNNING_STATE = 9,
556 ACPI_WDAT_GET_STOPPED_STATE = 10,
557 ACPI_WDAT_SET_STOPPED_STATE = 11,
558 ACPI_WDAT_GET_REBOOT = 16,
559 ACPI_WDAT_SET_REBOOT = 17,
560 ACPI_WDAT_GET_SHUTDOWN = 18,
561 ACPI_WDAT_SET_SHUTDOWN = 19,
562 ACPI_WDAT_GET_STATUS = 32,
563 ACPI_WDAT_SET_STATUS = 33,
564 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
565};
566
567/* Values for Instruction field above */
568
569enum acpi_wdat_instructions {
570 ACPI_WDAT_READ_VALUE = 0,
571 ACPI_WDAT_READ_COUNTDOWN = 1,
572 ACPI_WDAT_WRITE_VALUE = 2,
573 ACPI_WDAT_WRITE_COUNTDOWN = 3,
574 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
575 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
576};
577
578/*******************************************************************************
579 *
580 * WDDT - Watchdog Descriptor Table
581 * Version 1
582 *
583 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
584 * Version 001, September 2002
585 *
586 ******************************************************************************/
587
588struct acpi_table_wddt {
589 struct acpi_table_header header; /* Common ACPI table header */
590 u16 spec_version;
591 u16 table_version;
592 u16 pci_vendor_id;
593 struct acpi_generic_address address;
594 u16 max_count; /* Maximum counter value supported */
595 u16 min_count; /* Minimum counter value supported */
596 u16 period;
597 u16 status;
598 u16 capability;
599};
600
601/* Flags for Status field above */
602
603#define ACPI_WDDT_AVAILABLE (1)
604#define ACPI_WDDT_ACTIVE (1<<1)
605#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
606#define ACPI_WDDT_USER_RESET (1<<11)
607#define ACPI_WDDT_WDT_RESET (1<<12)
608#define ACPI_WDDT_POWER_FAIL (1<<13)
609#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
610
611/* Flags for Capability field above */
612
613#define ACPI_WDDT_AUTO_RESET (1)
614#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
615
616/*******************************************************************************
617 *
618 * WDRT - Watchdog Resource Table
619 * Version 1
620 *
621 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
622 * Version 1.01, August 28, 2006
623 *
624 ******************************************************************************/
625
626struct acpi_table_wdrt {
627 struct acpi_table_header header; /* Common ACPI table header */
628 struct acpi_generic_address control_register;
629 struct acpi_generic_address count_register;
630 u16 pci_device_id;
631 u16 pci_vendor_id;
632 u8 pci_bus; /* PCI Bus number */
633 u8 pci_device; /* PCI Device number */
634 u8 pci_function; /* PCI Function number */
635 u8 pci_segment; /* PCI Segment number */
636 u16 max_count; /* Maximum counter value supported */
637 u8 units;
638};
639
640/*******************************************************************************
641 *
642 * WPBT - Windows Platform Environment Table (ACPI 6.0)
643 * Version 1
644 *
645 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
646 *
647 ******************************************************************************/
648
649struct acpi_table_wpbt {
650 struct acpi_table_header header; /* Common ACPI table header */
651 u32 handoff_size;
652 u64 handoff_address;
653 u8 layout;
654 u8 type;
655 u16 arguments_length;
656};
657
658/*******************************************************************************
659 *
660 * WSMT - Windows SMM Security Mitigations Table
661 * Version 1
662 *
663 * Conforms to "Windows SMM Security Mitigations Table",
664 * Version 1.0, April 18, 2016
665 *
666 ******************************************************************************/
667
668struct acpi_table_wsmt {
669 struct acpi_table_header header; /* Common ACPI table header */
670 u32 protection_flags;
671};
672
673/* Flags for protection_flags field above */
674
675#define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
676#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
677#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
678
679/*******************************************************************************
680 *
681 * XENV - Xen Environment Table (ACPI 6.0)
682 * Version 1
683 *
684 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
685 *
686 ******************************************************************************/
687
688struct acpi_table_xenv {
689 struct acpi_table_header header; /* Common ACPI table header */
690 u64 grant_table_address;
691 u64 grant_table_size;
692 u32 event_interrupt;
693 u8 event_flags;
694};
695
696/* Reset to default packing */
697
698#pragma pack()
699
700#endif /* __ACTBL3_H__ */