xref: /openbmc/linux/include/acpi/actbl3.h (revision d2574c33)
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 - 2019, 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_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 Migrations 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 
291 /*******************************************************************************
292  *
293  * STAO - Status Override Table (_STA override) - ACPI 6.0
294  *        Version 1
295  *
296  * Conforms to "ACPI Specification for Status Override Table"
297  * 6 January 2015
298  *
299  ******************************************************************************/
300 
301 struct acpi_table_stao {
302 	struct acpi_table_header header;	/* Common ACPI table header */
303 	u8 ignore_uart;
304 };
305 
306 /*******************************************************************************
307  *
308  * TCPA - Trusted Computing Platform Alliance table
309  *        Version 2
310  *
311  * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
312  *
313  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
314  * Version 1.2, Revision 8
315  * February 27, 2017
316  *
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.
320  *
321  ******************************************************************************/
322 
323 struct acpi_table_tcpa_hdr {
324 	struct acpi_table_header header;	/* Common ACPI table header */
325 	u16 platform_class;
326 };
327 
328 /*
329  * Values for platform_class above.
330  * This is how the client and server subtables are differentiated
331  */
332 #define ACPI_TCPA_CLIENT_TABLE          0
333 #define ACPI_TCPA_SERVER_TABLE          1
334 
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 */
338 };
339 
340 struct acpi_table_tcpa_server {
341 	u16 reserved;
342 	u64 minimum_log_length;	/* Minimum length for the event log area */
343 	u64 log_address;	/* Address of the event log area */
344 	u16 spec_revision;
345 	u8 device_flags;
346 	u8 interrupt_flags;
347 	u8 gpe_number;
348 	u8 reserved2[3];
349 	u32 global_interrupt;
350 	struct acpi_generic_address address;
351 	u32 reserved3;
352 	struct acpi_generic_address config_address;
353 	u8 group;
354 	u8 bus;			/* PCI Bus/Segment/Function numbers */
355 	u8 device;
356 	u8 function;
357 };
358 
359 /* Values for device_flags above */
360 
361 #define ACPI_TCPA_PCI_DEVICE            (1)
362 #define ACPI_TCPA_BUS_PNP               (1<<1)
363 #define ACPI_TCPA_ADDRESS_VALID         (1<<2)
364 
365 /* Values for interrupt_flags above */
366 
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)
371 
372 /*******************************************************************************
373  *
374  * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
375  *        Version 4
376  *
377  * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
378  *
379  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
380  * Version 1.2, Revision 8
381  * February 27, 2017
382  *
383  ******************************************************************************/
384 
385 /* Revision 3 */
386 
387 struct acpi_table_tpm23 {
388 	struct acpi_table_header header;	/* Common ACPI table header */
389 	u32 reserved;
390 	u64 control_address;
391 	u32 start_method;
392 };
393 
394 /* Value for start_method above */
395 
396 #define ACPI_TPM23_ACPI_START_METHOD                 2
397 
398 /*
399  * Optional trailer for revision 3. If start method is 2, there is a 4 byte
400  * reserved area of all zeros.
401  */
402 struct acpi_tmp23_trailer {
403 	u32 reserved;
404 };
405 
406 /* Revision 4 */
407 
408 struct acpi_table_tpm2 {
409 	struct acpi_table_header header;	/* Common ACPI table header */
410 	u16 platform_class;
411 	u16 reserved;
412 	u64 control_address;
413 	u32 start_method;
414 
415 	/* Platform-specific data follows */
416 };
417 
418 /* Values for start_method above */
419 
420 #define ACPI_TPM2_NOT_ALLOWED                       0
421 #define ACPI_TPM2_RESERVED1                         1
422 #define ACPI_TPM2_START_METHOD                      2
423 #define ACPI_TPM2_RESERVED3                         3
424 #define ACPI_TPM2_RESERVED4                         4
425 #define ACPI_TPM2_RESERVED5                         5
426 #define ACPI_TPM2_MEMORY_MAPPED                     6
427 #define ACPI_TPM2_COMMAND_BUFFER                    7
428 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
429 #define ACPI_TPM2_RESERVED9                         9
430 #define ACPI_TPM2_RESERVED10                        10
431 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC       11	/* V1.2 Rev 8 */
432 #define ACPI_TPM2_RESERVED                          12
433 
434 /* Optional trailer appears after any start_method subtables */
435 
436 struct acpi_tpm2_trailer {
437 	u8 method_parameters[12];
438 	u32 minimum_log_length;	/* Minimum length for the event log area */
439 	u64 log_address;	/* Address of the event log area */
440 };
441 
442 /*
443  * Subtables (start_method-specific)
444  */
445 
446 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */
447 
448 struct acpi_tpm2_arm_smc {
449 	u32 global_interrupt;
450 	u8 interrupt_flags;
451 	u8 operation_flags;
452 	u16 reserved;
453 	u32 function_id;
454 };
455 
456 /* Values for interrupt_flags above */
457 
458 #define ACPI_TPM2_INTERRUPT_SUPPORT     (1)
459 
460 /* Values for operation_flags above */
461 
462 #define ACPI_TPM2_IDLE_SUPPORT          (1)
463 
464 /*******************************************************************************
465  *
466  * UEFI - UEFI Boot optimization Table
467  *        Version 1
468  *
469  * Conforms to "Unified Extensible Firmware Interface Specification",
470  * Version 2.3, May 8, 2009
471  *
472  ******************************************************************************/
473 
474 struct acpi_table_uefi {
475 	struct acpi_table_header header;	/* Common ACPI table header */
476 	u8 identifier[16];	/* UUID identifier */
477 	u16 data_offset;	/* Offset of remaining data in table */
478 };
479 
480 /*******************************************************************************
481  *
482  * VRTC - Virtual Real Time Clock Table
483  *        Version 1
484  *
485  * Conforms to "Simple Firmware Interface Specification",
486  * Draft 0.8.2, Oct 19, 2010
487  * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
488  *
489  ******************************************************************************/
490 
491 struct acpi_table_vrtc {
492 	struct acpi_table_header header;	/* Common ACPI table header */
493 };
494 
495 /* VRTC entry */
496 
497 struct acpi_vrtc_entry {
498 	struct acpi_generic_address physical_address;
499 	u32 irq;
500 };
501 
502 /*******************************************************************************
503  *
504  * WAET - Windows ACPI Emulated devices Table
505  *        Version 1
506  *
507  * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
508  *
509  ******************************************************************************/
510 
511 struct acpi_table_waet {
512 	struct acpi_table_header header;	/* Common ACPI table header */
513 	u32 flags;
514 };
515 
516 /* Masks for Flags field above */
517 
518 #define ACPI_WAET_RTC_NO_ACK        (1)	/* RTC requires no int acknowledge */
519 #define ACPI_WAET_TIMER_ONE_READ    (1<<1)	/* PM timer requires only one read */
520 
521 /*******************************************************************************
522  *
523  * WDAT - Watchdog Action Table
524  *        Version 1
525  *
526  * Conforms to "Hardware Watchdog Timers Design Specification",
527  * Copyright 2006 Microsoft Corporation.
528  *
529  ******************************************************************************/
530 
531 struct acpi_table_wdat {
532 	struct acpi_table_header header;	/* Common ACPI table header */
533 	u32 header_length;	/* Watchdog Header Length */
534 	u16 pci_segment;	/* PCI Segment number */
535 	u8 pci_bus;		/* PCI Bus number */
536 	u8 pci_device;		/* PCI Device number */
537 	u8 pci_function;	/* PCI Function number */
538 	u8 reserved[3];
539 	u32 timer_period;	/* Period of one timer count (msec) */
540 	u32 max_count;		/* Maximum counter value supported */
541 	u32 min_count;		/* Minimum counter value */
542 	u8 flags;
543 	u8 reserved2[3];
544 	u32 entries;		/* Number of watchdog entries that follow */
545 };
546 
547 /* Masks for Flags field above */
548 
549 #define ACPI_WDAT_ENABLED           (1)
550 #define ACPI_WDAT_STOPPED           0x80
551 
552 /* WDAT Instruction Entries (actions) */
553 
554 struct acpi_wdat_entry {
555 	u8 action;
556 	u8 instruction;
557 	u16 reserved;
558 	struct acpi_generic_address register_region;
559 	u32 value;		/* Value used with Read/Write register */
560 	u32 mask;		/* Bitmask required for this register instruction */
561 };
562 
563 /* Values for Action field above */
564 
565 enum acpi_wdat_actions {
566 	ACPI_WDAT_RESET = 1,
567 	ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
568 	ACPI_WDAT_GET_COUNTDOWN = 5,
569 	ACPI_WDAT_SET_COUNTDOWN = 6,
570 	ACPI_WDAT_GET_RUNNING_STATE = 8,
571 	ACPI_WDAT_SET_RUNNING_STATE = 9,
572 	ACPI_WDAT_GET_STOPPED_STATE = 10,
573 	ACPI_WDAT_SET_STOPPED_STATE = 11,
574 	ACPI_WDAT_GET_REBOOT = 16,
575 	ACPI_WDAT_SET_REBOOT = 17,
576 	ACPI_WDAT_GET_SHUTDOWN = 18,
577 	ACPI_WDAT_SET_SHUTDOWN = 19,
578 	ACPI_WDAT_GET_STATUS = 32,
579 	ACPI_WDAT_SET_STATUS = 33,
580 	ACPI_WDAT_ACTION_RESERVED = 34	/* 34 and greater are reserved */
581 };
582 
583 /* Values for Instruction field above */
584 
585 enum acpi_wdat_instructions {
586 	ACPI_WDAT_READ_VALUE = 0,
587 	ACPI_WDAT_READ_COUNTDOWN = 1,
588 	ACPI_WDAT_WRITE_VALUE = 2,
589 	ACPI_WDAT_WRITE_COUNTDOWN = 3,
590 	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
591 	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
592 };
593 
594 /*******************************************************************************
595  *
596  * WDDT - Watchdog Descriptor Table
597  *        Version 1
598  *
599  * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
600  * Version 001, September 2002
601  *
602  ******************************************************************************/
603 
604 struct acpi_table_wddt {
605 	struct acpi_table_header header;	/* Common ACPI table header */
606 	u16 spec_version;
607 	u16 table_version;
608 	u16 pci_vendor_id;
609 	struct acpi_generic_address address;
610 	u16 max_count;		/* Maximum counter value supported */
611 	u16 min_count;		/* Minimum counter value supported */
612 	u16 period;
613 	u16 status;
614 	u16 capability;
615 };
616 
617 /* Flags for Status field above */
618 
619 #define ACPI_WDDT_AVAILABLE     (1)
620 #define ACPI_WDDT_ACTIVE        (1<<1)
621 #define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
622 #define ACPI_WDDT_USER_RESET    (1<<11)
623 #define ACPI_WDDT_WDT_RESET     (1<<12)
624 #define ACPI_WDDT_POWER_FAIL    (1<<13)
625 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
626 
627 /* Flags for Capability field above */
628 
629 #define ACPI_WDDT_AUTO_RESET    (1)
630 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
631 
632 /*******************************************************************************
633  *
634  * WDRT - Watchdog Resource Table
635  *        Version 1
636  *
637  * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
638  * Version 1.01, August 28, 2006
639  *
640  ******************************************************************************/
641 
642 struct acpi_table_wdrt {
643 	struct acpi_table_header header;	/* Common ACPI table header */
644 	struct acpi_generic_address control_register;
645 	struct acpi_generic_address count_register;
646 	u16 pci_device_id;
647 	u16 pci_vendor_id;
648 	u8 pci_bus;		/* PCI Bus number */
649 	u8 pci_device;		/* PCI Device number */
650 	u8 pci_function;	/* PCI Function number */
651 	u8 pci_segment;		/* PCI Segment number */
652 	u16 max_count;		/* Maximum counter value supported */
653 	u8 units;
654 };
655 
656 /*******************************************************************************
657  *
658  * WPBT - Windows Platform Environment Table (ACPI 6.0)
659  *        Version 1
660  *
661  * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
662  *
663  ******************************************************************************/
664 
665 struct acpi_table_wpbt {
666 	struct acpi_table_header header;	/* Common ACPI table header */
667 	u32 handoff_size;
668 	u64 handoff_address;
669 	u8 layout;
670 	u8 type;
671 	u16 arguments_length;
672 };
673 
674 /*******************************************************************************
675  *
676  * WSMT - Windows SMM Security Migrations Table
677  *        Version 1
678  *
679  * Conforms to "Windows SMM Security Migrations Table",
680  * Version 1.0, April 18, 2016
681  *
682  ******************************************************************************/
683 
684 struct acpi_table_wsmt {
685 	struct acpi_table_header header;	/* Common ACPI table header */
686 	u32 protection_flags;
687 };
688 
689 /* Flags for protection_flags field above */
690 
691 #define ACPI_WSMT_FIXED_COMM_BUFFERS                (1)
692 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
693 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION        (4)
694 
695 /*******************************************************************************
696  *
697  * XENV - Xen Environment Table (ACPI 6.0)
698  *        Version 1
699  *
700  * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
701  *
702  ******************************************************************************/
703 
704 struct acpi_table_xenv {
705 	struct acpi_table_header header;	/* Common ACPI table header */
706 	u64 grant_table_address;
707 	u64 grant_table_size;
708 	u32 event_interrupt;
709 	u8 event_flags;
710 };
711 
712 /* Reset to default packing */
713 
714 #pragma pack()
715 
716 #endif				/* __ACTBL3_H__ */
717