xref: /openbmc/linux/include/acpi/actbl3.h (revision e2f1cf25)
1 /******************************************************************************
2  *
3  * Name: actbl3.h - ACPI Table Definitions
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2015, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACTBL3_H__
45 #define __ACTBL3_H__
46 
47 /*******************************************************************************
48  *
49  * Additional ACPI Tables (3)
50  *
51  * These tables are not consumed directly by the ACPICA subsystem, but are
52  * included here to support device drivers and the AML disassembler.
53  *
54  * In general, the tables in this file are fully defined within the ACPI
55  * specification.
56  *
57  ******************************************************************************/
58 
59 /*
60  * Values for description table header signatures for tables defined in this
61  * file. Useful because they make it more difficult to inadvertently type in
62  * the wrong signature.
63  */
64 #define ACPI_SIG_BGRT           "BGRT"	/* Boot Graphics Resource Table */
65 #define ACPI_SIG_DRTM           "DRTM"	/* Dynamic Root of Trust for Measurement table */
66 #define ACPI_SIG_FPDT           "FPDT"	/* Firmware Performance Data Table */
67 #define ACPI_SIG_GTDT           "GTDT"	/* Generic Timer Description Table */
68 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
69 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
70 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
71 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
72 #define ACPI_SIG_STAO           "STAO"	/* Status Override table */
73 #define ACPI_SIG_WPBT           "WPBT"	/* Windows Platform Binary Table */
74 #define ACPI_SIG_XENV           "XENV"	/* Xen Environment table */
75 
76 #define ACPI_SIG_S3PT           "S3PT"	/* S3 Performance (sub)Table */
77 #define ACPI_SIG_PCCS           "PCC"	/* PCC Shared Memory Region */
78 
79 /* Reserved table signatures */
80 
81 #define ACPI_SIG_MATR           "MATR"	/* Memory Address Translation Table */
82 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
83 
84 /*
85  * All tables must be byte-packed to match the ACPI specification, since
86  * the tables are provided by the system BIOS.
87  */
88 #pragma pack(1)
89 
90 /*
91  * Note: C bitfields are not used for this reason:
92  *
93  * "Bitfields are great and easy to read, but unfortunately the C language
94  * does not specify the layout of bitfields in memory, which means they are
95  * essentially useless for dealing with packed data in on-disk formats or
96  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
97  * this decision was a design error in C. Ritchie could have picked an order
98  * and stuck with it." Norman Ramsey.
99  * See http://stackoverflow.com/a/1053662/41661
100  */
101 
102 /*******************************************************************************
103  *
104  * BGRT - Boot Graphics Resource Table (ACPI 5.0)
105  *        Version 1
106  *
107  ******************************************************************************/
108 
109 struct acpi_table_bgrt {
110 	struct acpi_table_header header;	/* Common ACPI table header */
111 	u16 version;
112 	u8 status;
113 	u8 image_type;
114 	u64 image_address;
115 	u32 image_offset_x;
116 	u32 image_offset_y;
117 };
118 
119 /*******************************************************************************
120  *
121  * DRTM - Dynamic Root of Trust for Measurement table
122  * Conforms to "TCG D-RTM Architecture" June 17 2013, Version 1.0.0
123  * Table version 1
124  *
125  ******************************************************************************/
126 
127 struct acpi_table_drtm {
128 	struct acpi_table_header header;	/* Common ACPI table header */
129 	u64 entry_base_address;
130 	u64 entry_length;
131 	u32 entry_address32;
132 	u64 entry_address64;
133 	u64 exit_address;
134 	u64 log_area_address;
135 	u32 log_area_length;
136 	u64 arch_dependent_address;
137 	u32 flags;
138 };
139 
140 /* Flag Definitions for above */
141 
142 #define ACPI_DRTM_ACCESS_ALLOWED            (1)
143 #define ACPI_DRTM_ENABLE_GAP_CODE           (1<<1)
144 #define ACPI_DRTM_INCOMPLETE_MEASUREMENTS   (1<<2)
145 #define ACPI_DRTM_AUTHORITY_ORDER           (1<<3)
146 
147 /* 1) Validated Tables List (64-bit addresses) */
148 
149 struct acpi_drtm_vtable_list {
150 	u32 validated_table_count;
151 	u64 validated_tables[1];
152 };
153 
154 /* 2) Resources List (of Resource Descriptors) */
155 
156 /* Resource Descriptor */
157 
158 struct acpi_drtm_resource {
159 	u8 size[7];
160 	u8 type;
161 	u64 address;
162 };
163 
164 struct acpi_drtm_resource_list {
165 	u32 resource_count;
166 	struct acpi_drtm_resource resources[1];
167 };
168 
169 /* 3) Platform-specific Identifiers List */
170 
171 struct acpi_drtm_dps_id {
172 	u32 dps_id_length;
173 	u8 dps_id[16];
174 };
175 
176 /*******************************************************************************
177  *
178  * FPDT - Firmware Performance Data Table (ACPI 5.0)
179  *        Version 1
180  *
181  ******************************************************************************/
182 
183 struct acpi_table_fpdt {
184 	struct acpi_table_header header;	/* Common ACPI table header */
185 };
186 
187 /* FPDT subtable header */
188 
189 struct acpi_fpdt_header {
190 	u16 type;
191 	u8 length;
192 	u8 revision;
193 };
194 
195 /* Values for Type field above */
196 
197 enum acpi_fpdt_type {
198 	ACPI_FPDT_TYPE_BOOT = 0,
199 	ACPI_FPDT_TYPE_S3PERF = 1
200 };
201 
202 /*
203  * FPDT subtables
204  */
205 
206 /* 0: Firmware Basic Boot Performance Record */
207 
208 struct acpi_fpdt_boot {
209 	struct acpi_fpdt_header header;
210 	u8 reserved[4];
211 	u64 reset_end;
212 	u64 load_start;
213 	u64 startup_start;
214 	u64 exit_services_entry;
215 	u64 exit_services_exit;
216 };
217 
218 /* 1: S3 Performance Table Pointer Record */
219 
220 struct acpi_fpdt_s3pt_ptr {
221 	struct acpi_fpdt_header header;
222 	u8 reserved[4];
223 	u64 address;
224 };
225 
226 /*
227  * S3PT - S3 Performance Table. This table is pointed to by the
228  * FPDT S3 Pointer Record above.
229  */
230 struct acpi_table_s3pt {
231 	u8 signature[4];	/* "S3PT" */
232 	u32 length;
233 };
234 
235 /*
236  * S3PT Subtables
237  */
238 struct acpi_s3pt_header {
239 	u16 type;
240 	u8 length;
241 	u8 revision;
242 };
243 
244 /* Values for Type field above */
245 
246 enum acpi_s3pt_type {
247 	ACPI_S3PT_TYPE_RESUME = 0,
248 	ACPI_S3PT_TYPE_SUSPEND = 1
249 };
250 
251 struct acpi_s3pt_resume {
252 	struct acpi_s3pt_header header;
253 	u32 resume_count;
254 	u64 full_resume;
255 	u64 average_resume;
256 };
257 
258 struct acpi_s3pt_suspend {
259 	struct acpi_s3pt_header header;
260 	u64 suspend_start;
261 	u64 suspend_end;
262 };
263 
264 /*******************************************************************************
265  *
266  * GTDT - Generic Timer Description Table (ACPI 5.1)
267  *        Version 2
268  *
269  ******************************************************************************/
270 
271 struct acpi_table_gtdt {
272 	struct acpi_table_header header;	/* Common ACPI table header */
273 	u64 counter_block_addresss;
274 	u32 reserved;
275 	u32 secure_el1_interrupt;
276 	u32 secure_el1_flags;
277 	u32 non_secure_el1_interrupt;
278 	u32 non_secure_el1_flags;
279 	u32 virtual_timer_interrupt;
280 	u32 virtual_timer_flags;
281 	u32 non_secure_el2_interrupt;
282 	u32 non_secure_el2_flags;
283 	u64 counter_read_block_address;
284 	u32 platform_timer_count;
285 	u32 platform_timer_offset;
286 };
287 
288 /* Flag Definitions: Timer Block Physical Timers and Virtual timers */
289 
290 #define ACPI_GTDT_INTERRUPT_MODE        (1)
291 #define ACPI_GTDT_INTERRUPT_POLARITY    (1<<1)
292 #define ACPI_GTDT_ALWAYS_ON             (1<<2)
293 
294 /* Common GTDT subtable header */
295 
296 struct acpi_gtdt_header {
297 	u8 type;
298 	u16 length;
299 };
300 
301 /* Values for GTDT subtable type above */
302 
303 enum acpi_gtdt_type {
304 	ACPI_GTDT_TYPE_TIMER_BLOCK = 0,
305 	ACPI_GTDT_TYPE_WATCHDOG = 1,
306 	ACPI_GTDT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
307 };
308 
309 /* GTDT Subtables, correspond to Type in struct acpi_gtdt_header */
310 
311 /* 0: Generic Timer Block */
312 
313 struct acpi_gtdt_timer_block {
314 	struct acpi_gtdt_header header;
315 	u8 reserved;
316 	u64 block_address;
317 	u32 timer_count;
318 	u32 timer_offset;
319 };
320 
321 /* Timer Sub-Structure, one per timer */
322 
323 struct acpi_gtdt_timer_entry {
324 	u8 frame_number;
325 	u8 reserved[3];
326 	u64 base_address;
327 	u64 el0_base_address;
328 	u32 timer_interrupt;
329 	u32 timer_flags;
330 	u32 virtual_timer_interrupt;
331 	u32 virtual_timer_flags;
332 	u32 common_flags;
333 };
334 
335 /* Flag Definitions: timer_flags and virtual_timer_flags above */
336 
337 #define ACPI_GTDT_GT_IRQ_MODE               (1)
338 #define ACPI_GTDT_GT_IRQ_POLARITY           (1<<1)
339 
340 /* Flag Definitions: common_flags above */
341 
342 #define ACPI_GTDT_GT_IS_SECURE_TIMER        (1)
343 #define ACPI_GTDT_GT_ALWAYS_ON              (1<<1)
344 
345 /* 1: SBSA Generic Watchdog Structure */
346 
347 struct acpi_gtdt_watchdog {
348 	struct acpi_gtdt_header header;
349 	u8 reserved;
350 	u64 refresh_frame_address;
351 	u64 control_frame_address;
352 	u32 timer_interrupt;
353 	u32 timer_flags;
354 };
355 
356 /* Flag Definitions: timer_flags above */
357 
358 #define ACPI_GTDT_WATCHDOG_IRQ_MODE         (1)
359 #define ACPI_GTDT_WATCHDOG_IRQ_POLARITY     (1<<1)
360 #define ACPI_GTDT_WATCHDOG_SECURE           (1<<2)
361 
362 /*******************************************************************************
363  *
364  * MPST - Memory Power State Table (ACPI 5.0)
365  *        Version 1
366  *
367  ******************************************************************************/
368 
369 #define ACPI_MPST_CHANNEL_INFO \
370 	u8                              channel_id; \
371 	u8                              reserved1[3]; \
372 	u16                             power_node_count; \
373 	u16                             reserved2;
374 
375 /* Main table */
376 
377 struct acpi_table_mpst {
378 	struct acpi_table_header header;	/* Common ACPI table header */
379 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
380 };
381 
382 /* Memory Platform Communication Channel Info */
383 
384 struct acpi_mpst_channel {
385 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
386 };
387 
388 /* Memory Power Node Structure */
389 
390 struct acpi_mpst_power_node {
391 	u8 flags;
392 	u8 reserved1;
393 	u16 node_id;
394 	u32 length;
395 	u64 range_address;
396 	u64 range_length;
397 	u32 num_power_states;
398 	u32 num_physical_components;
399 };
400 
401 /* Values for Flags field above */
402 
403 #define ACPI_MPST_ENABLED               1
404 #define ACPI_MPST_POWER_MANAGED         2
405 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
406 
407 /* Memory Power State Structure (follows POWER_NODE above) */
408 
409 struct acpi_mpst_power_state {
410 	u8 power_state;
411 	u8 info_index;
412 };
413 
414 /* Physical Component ID Structure (follows POWER_STATE above) */
415 
416 struct acpi_mpst_component {
417 	u16 component_id;
418 };
419 
420 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
421 
422 struct acpi_mpst_data_hdr {
423 	u16 characteristics_count;
424 	u16 reserved;
425 };
426 
427 struct acpi_mpst_power_data {
428 	u8 structure_id;
429 	u8 flags;
430 	u16 reserved1;
431 	u32 average_power;
432 	u32 power_saving;
433 	u64 exit_latency;
434 	u64 reserved2;
435 };
436 
437 /* Values for Flags field above */
438 
439 #define ACPI_MPST_PRESERVE              1
440 #define ACPI_MPST_AUTOENTRY             2
441 #define ACPI_MPST_AUTOEXIT              4
442 
443 /* Shared Memory Region (not part of an ACPI table) */
444 
445 struct acpi_mpst_shared {
446 	u32 signature;
447 	u16 pcc_command;
448 	u16 pcc_status;
449 	u32 command_register;
450 	u32 status_register;
451 	u32 power_state_id;
452 	u32 power_node_id;
453 	u64 energy_consumed;
454 	u64 average_power;
455 };
456 
457 /*******************************************************************************
458  *
459  * PCCT - Platform Communications Channel Table (ACPI 5.0)
460  *        Version 1
461  *
462  ******************************************************************************/
463 
464 struct acpi_table_pcct {
465 	struct acpi_table_header header;	/* Common ACPI table header */
466 	u32 flags;
467 	u64 reserved;
468 };
469 
470 /* Values for Flags field above */
471 
472 #define ACPI_PCCT_DOORBELL              1
473 
474 /* Values for subtable type in struct acpi_subtable_header */
475 
476 enum acpi_pcct_type {
477 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
478 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
479 	ACPI_PCCT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
480 };
481 
482 /*
483  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
484  */
485 
486 /* 0: Generic Communications Subspace */
487 
488 struct acpi_pcct_subspace {
489 	struct acpi_subtable_header header;
490 	u8 reserved[6];
491 	u64 base_address;
492 	u64 length;
493 	struct acpi_generic_address doorbell_register;
494 	u64 preserve_mask;
495 	u64 write_mask;
496 	u32 latency;
497 	u32 max_access_rate;
498 	u16 min_turnaround_time;
499 };
500 
501 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
502 
503 struct acpi_pcct_hw_reduced {
504 	struct acpi_subtable_header header;
505 	u32 doorbell_interrupt;
506 	u8 flags;
507 	u8 reserved;
508 	u64 base_address;
509 	u64 length;
510 	struct acpi_generic_address doorbell_register;
511 	u64 preserve_mask;
512 	u64 write_mask;
513 	u32 latency;
514 	u32 max_access_rate;
515 	u16 min_turnaround_time;
516 };
517 
518 /* Values for doorbell flags above */
519 
520 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
521 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
522 
523 /*
524  * PCC memory structures (not part of the ACPI table)
525  */
526 
527 /* Shared Memory Region */
528 
529 struct acpi_pcct_shared_memory {
530 	u32 signature;
531 	u16 command;
532 	u16 status;
533 };
534 
535 /*******************************************************************************
536  *
537  * PMTT - Platform Memory Topology Table (ACPI 5.0)
538  *        Version 1
539  *
540  ******************************************************************************/
541 
542 struct acpi_table_pmtt {
543 	struct acpi_table_header header;	/* Common ACPI table header */
544 	u32 reserved;
545 };
546 
547 /* Common header for PMTT subtables that follow main table */
548 
549 struct acpi_pmtt_header {
550 	u8 type;
551 	u8 reserved1;
552 	u16 length;
553 	u16 flags;
554 	u16 reserved2;
555 };
556 
557 /* Values for Type field above */
558 
559 #define ACPI_PMTT_TYPE_SOCKET           0
560 #define ACPI_PMTT_TYPE_CONTROLLER       1
561 #define ACPI_PMTT_TYPE_DIMM             2
562 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFF are reserved */
563 
564 /* Values for Flags field above */
565 
566 #define ACPI_PMTT_TOP_LEVEL             0x0001
567 #define ACPI_PMTT_PHYSICAL              0x0002
568 #define ACPI_PMTT_MEMORY_TYPE           0x000C
569 
570 /*
571  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
572  */
573 
574 /* 0: Socket Structure */
575 
576 struct acpi_pmtt_socket {
577 	struct acpi_pmtt_header header;
578 	u16 socket_id;
579 	u16 reserved;
580 };
581 
582 /* 1: Memory Controller subtable */
583 
584 struct acpi_pmtt_controller {
585 	struct acpi_pmtt_header header;
586 	u32 read_latency;
587 	u32 write_latency;
588 	u32 read_bandwidth;
589 	u32 write_bandwidth;
590 	u16 access_width;
591 	u16 alignment;
592 	u16 reserved;
593 	u16 domain_count;
594 };
595 
596 /* 1a: Proximity Domain substructure */
597 
598 struct acpi_pmtt_domain {
599 	u32 proximity_domain;
600 };
601 
602 /* 2: Physical Component Identifier (DIMM) */
603 
604 struct acpi_pmtt_physical_component {
605 	struct acpi_pmtt_header header;
606 	u16 component_id;
607 	u16 reserved;
608 	u32 memory_size;
609 	u32 bios_handle;
610 };
611 
612 /*******************************************************************************
613  *
614  * RASF - RAS Feature Table (ACPI 5.0)
615  *        Version 1
616  *
617  ******************************************************************************/
618 
619 struct acpi_table_rasf {
620 	struct acpi_table_header header;	/* Common ACPI table header */
621 	u8 channel_id[12];
622 };
623 
624 /* RASF Platform Communication Channel Shared Memory Region */
625 
626 struct acpi_rasf_shared_memory {
627 	u32 signature;
628 	u16 command;
629 	u16 status;
630 	u16 version;
631 	u8 capabilities[16];
632 	u8 set_capabilities[16];
633 	u16 num_parameter_blocks;
634 	u32 set_capabilities_status;
635 };
636 
637 /* RASF Parameter Block Structure Header */
638 
639 struct acpi_rasf_parameter_block {
640 	u16 type;
641 	u16 version;
642 	u16 length;
643 };
644 
645 /* RASF Parameter Block Structure for PATROL_SCRUB */
646 
647 struct acpi_rasf_patrol_scrub_parameter {
648 	struct acpi_rasf_parameter_block header;
649 	u16 patrol_scrub_command;
650 	u64 requested_address_range[2];
651 	u64 actual_address_range[2];
652 	u16 flags;
653 	u8 requested_speed;
654 };
655 
656 /* Masks for Flags and Speed fields above */
657 
658 #define ACPI_RASF_SCRUBBER_RUNNING      1
659 #define ACPI_RASF_SPEED                 (7<<1)
660 #define ACPI_RASF_SPEED_SLOW            (0<<1)
661 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
662 #define ACPI_RASF_SPEED_FAST            (7<<1)
663 
664 /* Channel Commands */
665 
666 enum acpi_rasf_commands {
667 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
668 };
669 
670 /* Platform RAS Capabilities */
671 
672 enum acpi_rasf_capabiliities {
673 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
674 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
675 };
676 
677 /* Patrol Scrub Commands */
678 
679 enum acpi_rasf_patrol_scrub_commands {
680 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
681 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
682 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
683 };
684 
685 /* Channel Command flags */
686 
687 #define ACPI_RASF_GENERATE_SCI          (1<<15)
688 
689 /* Status values */
690 
691 enum acpi_rasf_status {
692 	ACPI_RASF_SUCCESS = 0,
693 	ACPI_RASF_NOT_VALID = 1,
694 	ACPI_RASF_NOT_SUPPORTED = 2,
695 	ACPI_RASF_BUSY = 3,
696 	ACPI_RASF_FAILED = 4,
697 	ACPI_RASF_ABORTED = 5,
698 	ACPI_RASF_INVALID_DATA = 6
699 };
700 
701 /* Status flags */
702 
703 #define ACPI_RASF_COMMAND_COMPLETE      (1)
704 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
705 #define ACPI_RASF_ERROR                 (1<<2)
706 #define ACPI_RASF_STATUS                (0x1F<<3)
707 
708 /*******************************************************************************
709  *
710  * STAO - Status Override Table (_STA override) - ACPI 6.0
711  *        Version 1
712  *
713  * Conforms to "ACPI Specification for Status Override Table"
714  * 6 January 2015
715  *
716  ******************************************************************************/
717 
718 struct acpi_table_stao {
719 	struct acpi_table_header header;	/* Common ACPI table header */
720 	u8 ignore_uart;
721 };
722 
723 /*******************************************************************************
724  *
725  * WPBT - Windows Platform Environment Table (ACPI 6.0)
726  *        Version 1
727  *
728  * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
729  *
730  ******************************************************************************/
731 
732 struct acpi_table_wpbt {
733 	struct acpi_table_header header;	/* Common ACPI table header */
734 	u32 handoff_size;
735 	u64 handoff_address;
736 	u8 layout;
737 	u8 type;
738 	u16 arguments_length;
739 };
740 
741 /*******************************************************************************
742  *
743  * XENV - Xen Environment Table (ACPI 6.0)
744  *        Version 1
745  *
746  * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
747  *
748  ******************************************************************************/
749 
750 struct acpi_table_xenv {
751 	struct acpi_table_header header;	/* Common ACPI table header */
752 	u64 grant_table_address;
753 	u64 grant_table_size;
754 	u32 event_interrupt;
755 	u8 event_flags;
756 };
757 
758 /* Reset to default packing */
759 
760 #pragma pack()
761 
762 #endif				/* __ACTBL3_H__ */
763