1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
4 * Name: actbl3.h - ACPI Table Definitions
6 * Copyright (C) 2000 - 2020, Intel Corp.
8 *****************************************************************************/
13 /*******************************************************************************
15 * Additional ACPI Tables
17 * These tables are not consumed directly by the ACPICA subsystem, but are
18 * included here to support device drivers and the AML disassembler.
20 ******************************************************************************/
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.
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_VRTC "VRTC" /* Virtual Real Time Clock 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 */
47 * All tables must be byte-packed to match the ACPI specification, since
48 * the tables are provided by the system BIOS.
53 * Note: C bitfields are not used for this reason:
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
64 /*******************************************************************************
66 * SLIC - Software Licensing Description Table
68 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
69 * November 29, 2011. Copyright 2011 Microsoft
71 ******************************************************************************/
73 /* Basic SLIC table is only the common ACPI header */
75 struct acpi_table_slic
{
76 struct acpi_table_header header
; /* Common ACPI table header */
79 /*******************************************************************************
81 * SLIT - System Locality Distance Information Table
84 ******************************************************************************/
86 struct acpi_table_slit
{
87 struct acpi_table_header header
; /* Common ACPI table header */
89 u8 entry
[1]; /* Real size = localities^2 */
92 /*******************************************************************************
94 * SPCR - Serial Port Console Redirection table
97 * Conforms to "Serial Port Console Redirection Table",
98 * Version 1.03, August 10, 2015
100 ******************************************************************************/
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 */
106 struct acpi_generic_address serial_port
;
126 /* Masks for pci_flags field above */
128 #define ACPI_SPCR_DO_NOT_DISABLE (1)
130 /* Values for Interface Type: See the definition of the DBG2 table */
132 /*******************************************************************************
134 * SPMI - Server Platform Management Interface table
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.
141 ******************************************************************************/
143 struct acpi_table_spmi
{
144 struct acpi_table_header header
; /* Common ACPI table header */
146 u8 reserved
; /* Must be 1 */
147 u16 spec_revision
; /* Version of IPMI */
149 u8 gpe_number
; /* GPE assigned */
153 struct acpi_generic_address ipmi_register
;
161 /* Values for interface_type above */
163 enum acpi_spmi_interface_types
{
164 ACPI_SPMI_NOT_USED
= 0,
165 ACPI_SPMI_KEYBOARD
= 1,
167 ACPI_SPMI_BLOCK_TRANSFER
= 3,
169 ACPI_SPMI_RESERVED
= 5 /* 5 and above are reserved */
172 /*******************************************************************************
174 * SRAT - System Resource Affinity Table
177 ******************************************************************************/
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 */
185 /* Values for subtable type in struct acpi_subtable_header */
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 */
198 * SRAT Subtables, correspond to Type in struct acpi_subtable_header
201 /* 0: Processor Local APIC/SAPIC Affinity */
203 struct acpi_srat_cpu_affinity
{
204 struct acpi_subtable_header header
;
205 u8 proximity_domain_lo
;
209 u8 proximity_domain_hi
[3];
215 #define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */
217 /* 1: Memory Affinity */
219 struct acpi_srat_mem_affinity
{
220 struct acpi_subtable_header header
;
221 u32 proximity_domain
;
222 u16 reserved
; /* Reserved, must be zero */
227 u64 reserved2
; /* Reserved, must be zero */
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 */
236 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
238 struct acpi_srat_x2apic_cpu_affinity
{
239 struct acpi_subtable_header header
;
240 u16 reserved
; /* Reserved, must be zero */
241 u32 proximity_domain
;
248 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
250 #define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
252 /* 3: GICC Affinity (ACPI 5.1) */
254 struct acpi_srat_gicc_affinity
{
255 struct acpi_subtable_header header
;
256 u32 proximity_domain
;
257 u32 acpi_processor_uid
;
262 /* Flags for struct acpi_srat_gicc_affinity */
264 #define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */
266 /* 4: GCC ITS Affinity (ACPI 6.2) */
268 struct acpi_srat_gic_its_affinity
{
269 struct acpi_subtable_header header
;
270 u32 proximity_domain
;
275 /* 5: Generic Initiator Affinity Structure (ACPI 6.3) */
277 struct acpi_srat_generic_affinity
{
278 struct acpi_subtable_header header
;
280 u8 device_handle_type
;
281 u32 proximity_domain
;
282 u8 device_handle
[16];
287 /* Flags for struct acpi_srat_generic_affinity */
289 #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
291 /*******************************************************************************
293 * STAO - Status Override Table (_STA override) - ACPI 6.0
296 * Conforms to "ACPI Specification for Status Override Table"
299 ******************************************************************************/
301 struct acpi_table_stao
{
302 struct acpi_table_header header
; /* Common ACPI table header */
306 /*******************************************************************************
308 * TCPA - Trusted Computing Platform Alliance table
311 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
313 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
314 * Version 1.2, Revision 8
317 * NOTE: There are two versions of the table with the same signature --
318 * the client version and the server version. The common platform_class
319 * field is used to differentiate the two types of tables.
321 ******************************************************************************/
323 struct acpi_table_tcpa_hdr
{
324 struct acpi_table_header header
; /* Common ACPI table header */
329 * Values for platform_class above.
330 * This is how the client and server subtables are differentiated
332 #define ACPI_TCPA_CLIENT_TABLE 0
333 #define ACPI_TCPA_SERVER_TABLE 1
335 struct acpi_table_tcpa_client
{
336 u32 minimum_log_length
; /* Minimum length for the event log area */
337 u64 log_address
; /* Address of the event log area */
340 struct acpi_table_tcpa_server
{
342 u64 minimum_log_length
; /* Minimum length for the event log area */
343 u64 log_address
; /* Address of the event log area */
349 u32 global_interrupt
;
350 struct acpi_generic_address address
;
352 struct acpi_generic_address config_address
;
354 u8 bus
; /* PCI Bus/Segment/Function numbers */
359 /* Values for device_flags above */
361 #define ACPI_TCPA_PCI_DEVICE (1)
362 #define ACPI_TCPA_BUS_PNP (1<<1)
363 #define ACPI_TCPA_ADDRESS_VALID (1<<2)
365 /* Values for interrupt_flags above */
367 #define ACPI_TCPA_INTERRUPT_MODE (1)
368 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
369 #define ACPI_TCPA_SCI_VIA_GPE (1<<2)
370 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
372 /*******************************************************************************
374 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
377 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
379 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
380 * Version 1.2, Revision 8
383 ******************************************************************************/
387 struct acpi_table_tpm23
{
388 struct acpi_table_header header
; /* Common ACPI table header */
394 /* Value for start_method above */
396 #define ACPI_TPM23_ACPI_START_METHOD 2
399 * Optional trailer for revision 3. If start method is 2, there is a 4 byte
400 * reserved area of all zeros.
402 struct acpi_tmp23_trailer
{
408 struct acpi_table_tpm2
{
409 struct acpi_table_header header
; /* Common ACPI table header */
415 /* Platform-specific data follows */
418 /* Optional trailer for revision 4 holding platform-specific data */
419 struct acpi_tpm2_phy
{
420 u8 start_method_specific
[12];
421 u32 log_area_minimum_length
;
422 u64 log_area_start_address
;
425 /* Values for start_method above */
427 #define ACPI_TPM2_NOT_ALLOWED 0
428 #define ACPI_TPM2_RESERVED1 1
429 #define ACPI_TPM2_START_METHOD 2
430 #define ACPI_TPM2_RESERVED3 3
431 #define ACPI_TPM2_RESERVED4 4
432 #define ACPI_TPM2_RESERVED5 5
433 #define ACPI_TPM2_MEMORY_MAPPED 6
434 #define ACPI_TPM2_COMMAND_BUFFER 7
435 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
436 #define ACPI_TPM2_RESERVED9 9
437 #define ACPI_TPM2_RESERVED10 10
438 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */
439 #define ACPI_TPM2_RESERVED 12
441 /* Optional trailer appears after any start_method subtables */
443 struct acpi_tpm2_trailer
{
444 u8 method_parameters
[12];
445 u32 minimum_log_length
; /* Minimum length for the event log area */
446 u64 log_address
; /* Address of the event log area */
450 * Subtables (start_method-specific)
453 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */
455 struct acpi_tpm2_arm_smc
{
456 u32 global_interrupt
;
463 /* Values for interrupt_flags above */
465 #define ACPI_TPM2_INTERRUPT_SUPPORT (1)
467 /* Values for operation_flags above */
469 #define ACPI_TPM2_IDLE_SUPPORT (1)
471 /*******************************************************************************
473 * UEFI - UEFI Boot optimization Table
476 * Conforms to "Unified Extensible Firmware Interface Specification",
477 * Version 2.3, May 8, 2009
479 ******************************************************************************/
481 struct acpi_table_uefi
{
482 struct acpi_table_header header
; /* Common ACPI table header */
483 u8 identifier
[16]; /* UUID identifier */
484 u16 data_offset
; /* Offset of remaining data in table */
487 /*******************************************************************************
489 * VRTC - Virtual Real Time Clock Table
492 * Conforms to "Simple Firmware Interface Specification",
493 * Draft 0.8.2, Oct 19, 2010
494 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
496 ******************************************************************************/
498 struct acpi_table_vrtc
{
499 struct acpi_table_header header
; /* Common ACPI table header */
504 struct acpi_vrtc_entry
{
505 struct acpi_generic_address physical_address
;
509 /*******************************************************************************
511 * WAET - Windows ACPI Emulated devices Table
514 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
516 ******************************************************************************/
518 struct acpi_table_waet
{
519 struct acpi_table_header header
; /* Common ACPI table header */
523 /* Masks for Flags field above */
525 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
526 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
528 /*******************************************************************************
530 * WDAT - Watchdog Action Table
533 * Conforms to "Hardware Watchdog Timers Design Specification",
534 * Copyright 2006 Microsoft Corporation.
536 ******************************************************************************/
538 struct acpi_table_wdat
{
539 struct acpi_table_header header
; /* Common ACPI table header */
540 u32 header_length
; /* Watchdog Header Length */
541 u16 pci_segment
; /* PCI Segment number */
542 u8 pci_bus
; /* PCI Bus number */
543 u8 pci_device
; /* PCI Device number */
544 u8 pci_function
; /* PCI Function number */
546 u32 timer_period
; /* Period of one timer count (msec) */
547 u32 max_count
; /* Maximum counter value supported */
548 u32 min_count
; /* Minimum counter value */
551 u32 entries
; /* Number of watchdog entries that follow */
554 /* Masks for Flags field above */
556 #define ACPI_WDAT_ENABLED (1)
557 #define ACPI_WDAT_STOPPED 0x80
559 /* WDAT Instruction Entries (actions) */
561 struct acpi_wdat_entry
{
565 struct acpi_generic_address register_region
;
566 u32 value
; /* Value used with Read/Write register */
567 u32 mask
; /* Bitmask required for this register instruction */
570 /* Values for Action field above */
572 enum acpi_wdat_actions
{
574 ACPI_WDAT_GET_CURRENT_COUNTDOWN
= 4,
575 ACPI_WDAT_GET_COUNTDOWN
= 5,
576 ACPI_WDAT_SET_COUNTDOWN
= 6,
577 ACPI_WDAT_GET_RUNNING_STATE
= 8,
578 ACPI_WDAT_SET_RUNNING_STATE
= 9,
579 ACPI_WDAT_GET_STOPPED_STATE
= 10,
580 ACPI_WDAT_SET_STOPPED_STATE
= 11,
581 ACPI_WDAT_GET_REBOOT
= 16,
582 ACPI_WDAT_SET_REBOOT
= 17,
583 ACPI_WDAT_GET_SHUTDOWN
= 18,
584 ACPI_WDAT_SET_SHUTDOWN
= 19,
585 ACPI_WDAT_GET_STATUS
= 32,
586 ACPI_WDAT_SET_STATUS
= 33,
587 ACPI_WDAT_ACTION_RESERVED
= 34 /* 34 and greater are reserved */
590 /* Values for Instruction field above */
592 enum acpi_wdat_instructions
{
593 ACPI_WDAT_READ_VALUE
= 0,
594 ACPI_WDAT_READ_COUNTDOWN
= 1,
595 ACPI_WDAT_WRITE_VALUE
= 2,
596 ACPI_WDAT_WRITE_COUNTDOWN
= 3,
597 ACPI_WDAT_INSTRUCTION_RESERVED
= 4, /* 4 and greater are reserved */
598 ACPI_WDAT_PRESERVE_REGISTER
= 0x80 /* Except for this value */
601 /*******************************************************************************
603 * WDDT - Watchdog Descriptor Table
606 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
607 * Version 001, September 2002
609 ******************************************************************************/
611 struct acpi_table_wddt
{
612 struct acpi_table_header header
; /* Common ACPI table header */
616 struct acpi_generic_address address
;
617 u16 max_count
; /* Maximum counter value supported */
618 u16 min_count
; /* Minimum counter value supported */
624 /* Flags for Status field above */
626 #define ACPI_WDDT_AVAILABLE (1)
627 #define ACPI_WDDT_ACTIVE (1<<1)
628 #define ACPI_WDDT_TCO_OS_OWNED (1<<2)
629 #define ACPI_WDDT_USER_RESET (1<<11)
630 #define ACPI_WDDT_WDT_RESET (1<<12)
631 #define ACPI_WDDT_POWER_FAIL (1<<13)
632 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
634 /* Flags for Capability field above */
636 #define ACPI_WDDT_AUTO_RESET (1)
637 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
639 /*******************************************************************************
641 * WDRT - Watchdog Resource Table
644 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
645 * Version 1.01, August 28, 2006
647 ******************************************************************************/
649 struct acpi_table_wdrt
{
650 struct acpi_table_header header
; /* Common ACPI table header */
651 struct acpi_generic_address control_register
;
652 struct acpi_generic_address count_register
;
655 u8 pci_bus
; /* PCI Bus number */
656 u8 pci_device
; /* PCI Device number */
657 u8 pci_function
; /* PCI Function number */
658 u8 pci_segment
; /* PCI Segment number */
659 u16 max_count
; /* Maximum counter value supported */
663 /*******************************************************************************
665 * WPBT - Windows Platform Environment Table (ACPI 6.0)
668 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
670 ******************************************************************************/
672 struct acpi_table_wpbt
{
673 struct acpi_table_header header
; /* Common ACPI table header */
678 u16 arguments_length
;
681 /*******************************************************************************
683 * WSMT - Windows SMM Security Mitigations Table
686 * Conforms to "Windows SMM Security Mitigations Table",
687 * Version 1.0, April 18, 2016
689 ******************************************************************************/
691 struct acpi_table_wsmt
{
692 struct acpi_table_header header
; /* Common ACPI table header */
693 u32 protection_flags
;
696 /* Flags for protection_flags field above */
698 #define ACPI_WSMT_FIXED_COMM_BUFFERS (1)
699 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
700 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4)
702 /*******************************************************************************
704 * XENV - Xen Environment Table (ACPI 6.0)
707 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
709 ******************************************************************************/
711 struct acpi_table_xenv
{
712 struct acpi_table_header header
; /* Common ACPI table header */
713 u64 grant_table_address
;
714 u64 grant_table_size
;
719 /* Reset to default packing */
723 #endif /* __ACTBL3_H__ */