xref: /openbmc/linux/include/acpi/actbl3.h (revision fca3aa16)
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 - 2018, 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_RESERVED = 5	/* 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 
202 struct 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 
218 struct 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 
237 struct 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 
253 struct 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 
267 struct 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 /*******************************************************************************
275  *
276  * STAO - Status Override Table (_STA override) - ACPI 6.0
277  *        Version 1
278  *
279  * Conforms to "ACPI Specification for Status Override Table"
280  * 6 January 2015
281  *
282  ******************************************************************************/
283 
284 struct acpi_table_stao {
285 	struct acpi_table_header header;	/* Common ACPI table header */
286 	u8 ignore_uart;
287 };
288 
289 /*******************************************************************************
290  *
291  * TCPA - Trusted Computing Platform Alliance table
292  *        Version 2
293  *
294  * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
295  *
296  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
297  * Version 1.2, Revision 8
298  * February 27, 2017
299  *
300  * NOTE: There are two versions of the table with the same signature --
301  * the client version and the server version. The common platform_class
302  * field is used to differentiate the two types of tables.
303  *
304  ******************************************************************************/
305 
306 struct acpi_table_tcpa_hdr {
307 	struct acpi_table_header header;	/* Common ACPI table header */
308 	u16 platform_class;
309 };
310 
311 /*
312  * Values for platform_class above.
313  * This is how the client and server subtables are differentiated
314  */
315 #define ACPI_TCPA_CLIENT_TABLE          0
316 #define ACPI_TCPA_SERVER_TABLE          1
317 
318 struct acpi_table_tcpa_client {
319 	u32 minimum_log_length;	/* Minimum length for the event log area */
320 	u64 log_address;	/* Address of the event log area */
321 };
322 
323 struct acpi_table_tcpa_server {
324 	u16 reserved;
325 	u64 minimum_log_length;	/* Minimum length for the event log area */
326 	u64 log_address;	/* Address of the event log area */
327 	u16 spec_revision;
328 	u8 device_flags;
329 	u8 interrupt_flags;
330 	u8 gpe_number;
331 	u8 reserved2[3];
332 	u32 global_interrupt;
333 	struct acpi_generic_address address;
334 	u32 reserved3;
335 	struct acpi_generic_address config_address;
336 	u8 group;
337 	u8 bus;			/* PCI Bus/Segment/Function numbers */
338 	u8 device;
339 	u8 function;
340 };
341 
342 /* Values for device_flags above */
343 
344 #define ACPI_TCPA_PCI_DEVICE            (1)
345 #define ACPI_TCPA_BUS_PNP               (1<<1)
346 #define ACPI_TCPA_ADDRESS_VALID         (1<<2)
347 
348 /* Values for interrupt_flags above */
349 
350 #define ACPI_TCPA_INTERRUPT_MODE        (1)
351 #define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
352 #define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
353 #define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)
354 
355 /*******************************************************************************
356  *
357  * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
358  *        Version 4
359  *
360  * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
361  *
362  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
363  * Version 1.2, Revision 8
364  * February 27, 2017
365  *
366  ******************************************************************************/
367 
368 struct acpi_table_tpm2 {
369 	struct acpi_table_header header;	/* Common ACPI table header */
370 	u16 platform_class;
371 	u16 reserved;
372 	u64 control_address;
373 	u32 start_method;
374 
375 	/* Platform-specific data follows */
376 };
377 
378 /* Values for start_method above */
379 
380 #define ACPI_TPM2_NOT_ALLOWED                       0
381 #define ACPI_TPM2_RESERVED1                         1
382 #define ACPI_TPM2_START_METHOD                      2
383 #define ACPI_TPM2_RESERVED3                         3
384 #define ACPI_TPM2_RESERVED4                         4
385 #define ACPI_TPM2_RESERVED5                         5
386 #define ACPI_TPM2_MEMORY_MAPPED                     6
387 #define ACPI_TPM2_COMMAND_BUFFER                    7
388 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
389 #define ACPI_TPM2_RESERVED9                         9
390 #define ACPI_TPM2_RESERVED10                        10
391 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC       11	/* V1.2 Rev 8 */
392 #define ACPI_TPM2_RESERVED                          12
393 
394 /* Optional trailer appears after any start_method subtables */
395 
396 struct acpi_tpm2_trailer {
397 	u8 method_parameters[12];
398 	u32 minimum_log_length;	/* Minimum length for the event log area */
399 	u64 log_address;	/* Address of the event log area */
400 };
401 
402 /*
403  * Subtables (start_method-specific)
404  */
405 
406 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */
407 
408 struct acpi_tpm2_arm_smc {
409 	u32 global_interrupt;
410 	u8 interrupt_flags;
411 	u8 operation_flags;
412 	u16 reserved;
413 	u32 function_id;
414 };
415 
416 /* Values for interrupt_flags above */
417 
418 #define ACPI_TPM2_INTERRUPT_SUPPORT     (1)
419 
420 /* Values for operation_flags above */
421 
422 #define ACPI_TPM2_IDLE_SUPPORT          (1)
423 
424 /*******************************************************************************
425  *
426  * UEFI - UEFI Boot optimization Table
427  *        Version 1
428  *
429  * Conforms to "Unified Extensible Firmware Interface Specification",
430  * Version 2.3, May 8, 2009
431  *
432  ******************************************************************************/
433 
434 struct acpi_table_uefi {
435 	struct acpi_table_header header;	/* Common ACPI table header */
436 	u8 identifier[16];	/* UUID identifier */
437 	u16 data_offset;	/* Offset of remaining data in table */
438 };
439 
440 /*******************************************************************************
441  *
442  * VRTC - Virtual Real Time Clock Table
443  *        Version 1
444  *
445  * Conforms to "Simple Firmware Interface Specification",
446  * Draft 0.8.2, Oct 19, 2010
447  * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
448  *
449  ******************************************************************************/
450 
451 struct acpi_table_vrtc {
452 	struct acpi_table_header header;	/* Common ACPI table header */
453 };
454 
455 /* VRTC entry */
456 
457 struct acpi_vrtc_entry {
458 	struct acpi_generic_address physical_address;
459 	u32 irq;
460 };
461 
462 /*******************************************************************************
463  *
464  * WAET - Windows ACPI Emulated devices Table
465  *        Version 1
466  *
467  * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
468  *
469  ******************************************************************************/
470 
471 struct acpi_table_waet {
472 	struct acpi_table_header header;	/* Common ACPI table header */
473 	u32 flags;
474 };
475 
476 /* Masks for Flags field above */
477 
478 #define ACPI_WAET_RTC_NO_ACK        (1)	/* RTC requires no int acknowledge */
479 #define ACPI_WAET_TIMER_ONE_READ    (1<<1)	/* PM timer requires only one read */
480 
481 /*******************************************************************************
482  *
483  * WDAT - Watchdog Action Table
484  *        Version 1
485  *
486  * Conforms to "Hardware Watchdog Timers Design Specification",
487  * Copyright 2006 Microsoft Corporation.
488  *
489  ******************************************************************************/
490 
491 struct acpi_table_wdat {
492 	struct acpi_table_header header;	/* Common ACPI table header */
493 	u32 header_length;	/* Watchdog Header Length */
494 	u16 pci_segment;	/* PCI Segment number */
495 	u8 pci_bus;		/* PCI Bus number */
496 	u8 pci_device;		/* PCI Device number */
497 	u8 pci_function;	/* PCI Function number */
498 	u8 reserved[3];
499 	u32 timer_period;	/* Period of one timer count (msec) */
500 	u32 max_count;		/* Maximum counter value supported */
501 	u32 min_count;		/* Minimum counter value */
502 	u8 flags;
503 	u8 reserved2[3];
504 	u32 entries;		/* Number of watchdog entries that follow */
505 };
506 
507 /* Masks for Flags field above */
508 
509 #define ACPI_WDAT_ENABLED           (1)
510 #define ACPI_WDAT_STOPPED           0x80
511 
512 /* WDAT Instruction Entries (actions) */
513 
514 struct acpi_wdat_entry {
515 	u8 action;
516 	u8 instruction;
517 	u16 reserved;
518 	struct acpi_generic_address register_region;
519 	u32 value;		/* Value used with Read/Write register */
520 	u32 mask;		/* Bitmask required for this register instruction */
521 };
522 
523 /* Values for Action field above */
524 
525 enum acpi_wdat_actions {
526 	ACPI_WDAT_RESET = 1,
527 	ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
528 	ACPI_WDAT_GET_COUNTDOWN = 5,
529 	ACPI_WDAT_SET_COUNTDOWN = 6,
530 	ACPI_WDAT_GET_RUNNING_STATE = 8,
531 	ACPI_WDAT_SET_RUNNING_STATE = 9,
532 	ACPI_WDAT_GET_STOPPED_STATE = 10,
533 	ACPI_WDAT_SET_STOPPED_STATE = 11,
534 	ACPI_WDAT_GET_REBOOT = 16,
535 	ACPI_WDAT_SET_REBOOT = 17,
536 	ACPI_WDAT_GET_SHUTDOWN = 18,
537 	ACPI_WDAT_SET_SHUTDOWN = 19,
538 	ACPI_WDAT_GET_STATUS = 32,
539 	ACPI_WDAT_SET_STATUS = 33,
540 	ACPI_WDAT_ACTION_RESERVED = 34	/* 34 and greater are reserved */
541 };
542 
543 /* Values for Instruction field above */
544 
545 enum acpi_wdat_instructions {
546 	ACPI_WDAT_READ_VALUE = 0,
547 	ACPI_WDAT_READ_COUNTDOWN = 1,
548 	ACPI_WDAT_WRITE_VALUE = 2,
549 	ACPI_WDAT_WRITE_COUNTDOWN = 3,
550 	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
551 	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
552 };
553 
554 /*******************************************************************************
555  *
556  * WDDT - Watchdog Descriptor Table
557  *        Version 1
558  *
559  * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
560  * Version 001, September 2002
561  *
562  ******************************************************************************/
563 
564 struct acpi_table_wddt {
565 	struct acpi_table_header header;	/* Common ACPI table header */
566 	u16 spec_version;
567 	u16 table_version;
568 	u16 pci_vendor_id;
569 	struct acpi_generic_address address;
570 	u16 max_count;		/* Maximum counter value supported */
571 	u16 min_count;		/* Minimum counter value supported */
572 	u16 period;
573 	u16 status;
574 	u16 capability;
575 };
576 
577 /* Flags for Status field above */
578 
579 #define ACPI_WDDT_AVAILABLE     (1)
580 #define ACPI_WDDT_ACTIVE        (1<<1)
581 #define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
582 #define ACPI_WDDT_USER_RESET    (1<<11)
583 #define ACPI_WDDT_WDT_RESET     (1<<12)
584 #define ACPI_WDDT_POWER_FAIL    (1<<13)
585 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
586 
587 /* Flags for Capability field above */
588 
589 #define ACPI_WDDT_AUTO_RESET    (1)
590 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
591 
592 /*******************************************************************************
593  *
594  * WDRT - Watchdog Resource Table
595  *        Version 1
596  *
597  * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
598  * Version 1.01, August 28, 2006
599  *
600  ******************************************************************************/
601 
602 struct acpi_table_wdrt {
603 	struct acpi_table_header header;	/* Common ACPI table header */
604 	struct acpi_generic_address control_register;
605 	struct acpi_generic_address count_register;
606 	u16 pci_device_id;
607 	u16 pci_vendor_id;
608 	u8 pci_bus;		/* PCI Bus number */
609 	u8 pci_device;		/* PCI Device number */
610 	u8 pci_function;	/* PCI Function number */
611 	u8 pci_segment;		/* PCI Segment number */
612 	u16 max_count;		/* Maximum counter value supported */
613 	u8 units;
614 };
615 
616 /*******************************************************************************
617  *
618  * WPBT - Windows Platform Environment Table (ACPI 6.0)
619  *        Version 1
620  *
621  * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
622  *
623  ******************************************************************************/
624 
625 struct acpi_table_wpbt {
626 	struct acpi_table_header header;	/* Common ACPI table header */
627 	u32 handoff_size;
628 	u64 handoff_address;
629 	u8 layout;
630 	u8 type;
631 	u16 arguments_length;
632 };
633 
634 /*******************************************************************************
635  *
636  * WSMT - Windows SMM Security Migrations Table
637  *        Version 1
638  *
639  * Conforms to "Windows SMM Security Migrations Table",
640  * Version 1.0, April 18, 2016
641  *
642  ******************************************************************************/
643 
644 struct acpi_table_wsmt {
645 	struct acpi_table_header header;	/* Common ACPI table header */
646 	u32 protection_flags;
647 };
648 
649 /* Flags for protection_flags field above */
650 
651 #define ACPI_WSMT_FIXED_COMM_BUFFERS                (1)
652 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
653 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION        (4)
654 
655 /*******************************************************************************
656  *
657  * XENV - Xen Environment Table (ACPI 6.0)
658  *        Version 1
659  *
660  * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
661  *
662  ******************************************************************************/
663 
664 struct acpi_table_xenv {
665 	struct acpi_table_header header;	/* Common ACPI table header */
666 	u64 grant_table_address;
667 	u64 grant_table_size;
668 	u32 event_interrupt;
669 	u8 event_flags;
670 };
671 
672 /* Reset to default packing */
673 
674 #pragma pack()
675 
676 #endif				/* __ACTBL3_H__ */
677