xref: /openbmc/linux/include/acpi/actbl3.h (revision 1c2dd16a)
1 /******************************************************************************
2  *
3  * Name: actbl3.h - ACPI Table Definitions
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2017, 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 (Performance Record Structure) */
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_pointer {
209 	struct acpi_fpdt_header header;
210 	u8 reserved[4];
211 	u64 address;
212 };
213 
214 /* 1: S3 Performance Table Pointer Record */
215 
216 struct acpi_fpdt_s3pt_pointer {
217 	struct acpi_fpdt_header header;
218 	u8 reserved[4];
219 	u64 address;
220 };
221 
222 /*
223  * S3PT - S3 Performance Table. This table is pointed to by the
224  * S3 Pointer Record above.
225  */
226 struct acpi_table_s3pt {
227 	u8 signature[4];	/* "S3PT" */
228 	u32 length;
229 };
230 
231 /*
232  * S3PT Subtables (Not part of the actual FPDT)
233  */
234 
235 /* Values for Type field in S3PT header */
236 
237 enum acpi_s3pt_type {
238 	ACPI_S3PT_TYPE_RESUME = 0,
239 	ACPI_S3PT_TYPE_SUSPEND = 1,
240 	ACPI_FPDT_BOOT_PERFORMANCE = 2
241 };
242 
243 struct acpi_s3pt_resume {
244 	struct acpi_fpdt_header header;
245 	u32 resume_count;
246 	u64 full_resume;
247 	u64 average_resume;
248 };
249 
250 struct acpi_s3pt_suspend {
251 	struct acpi_fpdt_header header;
252 	u64 suspend_start;
253 	u64 suspend_end;
254 };
255 
256 /*
257  * FPDT Boot Performance Record (Not part of the actual FPDT)
258  */
259 struct acpi_fpdt_boot {
260 	struct acpi_fpdt_header header;
261 	u8 reserved[4];
262 	u64 reset_end;
263 	u64 load_start;
264 	u64 startup_start;
265 	u64 exit_services_entry;
266 	u64 exit_services_exit;
267 };
268 
269 /*******************************************************************************
270  *
271  * GTDT - Generic Timer Description Table (ACPI 5.1)
272  *        Version 2
273  *
274  ******************************************************************************/
275 
276 struct acpi_table_gtdt {
277 	struct acpi_table_header header;	/* Common ACPI table header */
278 	u64 counter_block_addresss;
279 	u32 reserved;
280 	u32 secure_el1_interrupt;
281 	u32 secure_el1_flags;
282 	u32 non_secure_el1_interrupt;
283 	u32 non_secure_el1_flags;
284 	u32 virtual_timer_interrupt;
285 	u32 virtual_timer_flags;
286 	u32 non_secure_el2_interrupt;
287 	u32 non_secure_el2_flags;
288 	u64 counter_read_block_address;
289 	u32 platform_timer_count;
290 	u32 platform_timer_offset;
291 };
292 
293 /* Flag Definitions: Timer Block Physical Timers and Virtual timers */
294 
295 #define ACPI_GTDT_INTERRUPT_MODE        (1)
296 #define ACPI_GTDT_INTERRUPT_POLARITY    (1<<1)
297 #define ACPI_GTDT_ALWAYS_ON             (1<<2)
298 
299 /* Common GTDT subtable header */
300 
301 struct acpi_gtdt_header {
302 	u8 type;
303 	u16 length;
304 };
305 
306 /* Values for GTDT subtable type above */
307 
308 enum acpi_gtdt_type {
309 	ACPI_GTDT_TYPE_TIMER_BLOCK = 0,
310 	ACPI_GTDT_TYPE_WATCHDOG = 1,
311 	ACPI_GTDT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
312 };
313 
314 /* GTDT Subtables, correspond to Type in struct acpi_gtdt_header */
315 
316 /* 0: Generic Timer Block */
317 
318 struct acpi_gtdt_timer_block {
319 	struct acpi_gtdt_header header;
320 	u8 reserved;
321 	u64 block_address;
322 	u32 timer_count;
323 	u32 timer_offset;
324 };
325 
326 /* Timer Sub-Structure, one per timer */
327 
328 struct acpi_gtdt_timer_entry {
329 	u8 frame_number;
330 	u8 reserved[3];
331 	u64 base_address;
332 	u64 el0_base_address;
333 	u32 timer_interrupt;
334 	u32 timer_flags;
335 	u32 virtual_timer_interrupt;
336 	u32 virtual_timer_flags;
337 	u32 common_flags;
338 };
339 
340 /* Flag Definitions: timer_flags and virtual_timer_flags above */
341 
342 #define ACPI_GTDT_GT_IRQ_MODE               (1)
343 #define ACPI_GTDT_GT_IRQ_POLARITY           (1<<1)
344 
345 /* Flag Definitions: common_flags above */
346 
347 #define ACPI_GTDT_GT_IS_SECURE_TIMER        (1)
348 #define ACPI_GTDT_GT_ALWAYS_ON              (1<<1)
349 
350 /* 1: SBSA Generic Watchdog Structure */
351 
352 struct acpi_gtdt_watchdog {
353 	struct acpi_gtdt_header header;
354 	u8 reserved;
355 	u64 refresh_frame_address;
356 	u64 control_frame_address;
357 	u32 timer_interrupt;
358 	u32 timer_flags;
359 };
360 
361 /* Flag Definitions: timer_flags above */
362 
363 #define ACPI_GTDT_WATCHDOG_IRQ_MODE         (1)
364 #define ACPI_GTDT_WATCHDOG_IRQ_POLARITY     (1<<1)
365 #define ACPI_GTDT_WATCHDOG_SECURE           (1<<2)
366 
367 /*******************************************************************************
368  *
369  * MPST - Memory Power State Table (ACPI 5.0)
370  *        Version 1
371  *
372  ******************************************************************************/
373 
374 #define ACPI_MPST_CHANNEL_INFO \
375 	u8                              channel_id; \
376 	u8                              reserved1[3]; \
377 	u16                             power_node_count; \
378 	u16                             reserved2;
379 
380 /* Main table */
381 
382 struct acpi_table_mpst {
383 	struct acpi_table_header header;	/* Common ACPI table header */
384 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
385 };
386 
387 /* Memory Platform Communication Channel Info */
388 
389 struct acpi_mpst_channel {
390 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
391 };
392 
393 /* Memory Power Node Structure */
394 
395 struct acpi_mpst_power_node {
396 	u8 flags;
397 	u8 reserved1;
398 	u16 node_id;
399 	u32 length;
400 	u64 range_address;
401 	u64 range_length;
402 	u32 num_power_states;
403 	u32 num_physical_components;
404 };
405 
406 /* Values for Flags field above */
407 
408 #define ACPI_MPST_ENABLED               1
409 #define ACPI_MPST_POWER_MANAGED         2
410 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
411 
412 /* Memory Power State Structure (follows POWER_NODE above) */
413 
414 struct acpi_mpst_power_state {
415 	u8 power_state;
416 	u8 info_index;
417 };
418 
419 /* Physical Component ID Structure (follows POWER_STATE above) */
420 
421 struct acpi_mpst_component {
422 	u16 component_id;
423 };
424 
425 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
426 
427 struct acpi_mpst_data_hdr {
428 	u16 characteristics_count;
429 	u16 reserved;
430 };
431 
432 struct acpi_mpst_power_data {
433 	u8 structure_id;
434 	u8 flags;
435 	u16 reserved1;
436 	u32 average_power;
437 	u32 power_saving;
438 	u64 exit_latency;
439 	u64 reserved2;
440 };
441 
442 /* Values for Flags field above */
443 
444 #define ACPI_MPST_PRESERVE              1
445 #define ACPI_MPST_AUTOENTRY             2
446 #define ACPI_MPST_AUTOEXIT              4
447 
448 /* Shared Memory Region (not part of an ACPI table) */
449 
450 struct acpi_mpst_shared {
451 	u32 signature;
452 	u16 pcc_command;
453 	u16 pcc_status;
454 	u32 command_register;
455 	u32 status_register;
456 	u32 power_state_id;
457 	u32 power_node_id;
458 	u64 energy_consumed;
459 	u64 average_power;
460 };
461 
462 /*******************************************************************************
463  *
464  * PCCT - Platform Communications Channel Table (ACPI 5.0)
465  *        Version 1
466  *
467  ******************************************************************************/
468 
469 struct acpi_table_pcct {
470 	struct acpi_table_header header;	/* Common ACPI table header */
471 	u32 flags;
472 	u64 reserved;
473 };
474 
475 /* Values for Flags field above */
476 
477 #define ACPI_PCCT_DOORBELL              1
478 
479 /* Values for subtable type in struct acpi_subtable_header */
480 
481 enum acpi_pcct_type {
482 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
483 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
484 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
485 	ACPI_PCCT_TYPE_RESERVED = 3	/* 3 and greater are reserved */
486 };
487 
488 /*
489  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
490  */
491 
492 /* 0: Generic Communications Subspace */
493 
494 struct acpi_pcct_subspace {
495 	struct acpi_subtable_header header;
496 	u8 reserved[6];
497 	u64 base_address;
498 	u64 length;
499 	struct acpi_generic_address doorbell_register;
500 	u64 preserve_mask;
501 	u64 write_mask;
502 	u32 latency;
503 	u32 max_access_rate;
504 	u16 min_turnaround_time;
505 };
506 
507 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
508 
509 struct acpi_pcct_hw_reduced {
510 	struct acpi_subtable_header header;
511 	u32 doorbell_interrupt;
512 	u8 flags;
513 	u8 reserved;
514 	u64 base_address;
515 	u64 length;
516 	struct acpi_generic_address doorbell_register;
517 	u64 preserve_mask;
518 	u64 write_mask;
519 	u32 latency;
520 	u32 max_access_rate;
521 	u16 min_turnaround_time;
522 };
523 
524 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
525 
526 struct acpi_pcct_hw_reduced_type2 {
527 	struct acpi_subtable_header header;
528 	u32 doorbell_interrupt;
529 	u8 flags;
530 	u8 reserved;
531 	u64 base_address;
532 	u64 length;
533 	struct acpi_generic_address doorbell_register;
534 	u64 preserve_mask;
535 	u64 write_mask;
536 	u32 latency;
537 	u32 max_access_rate;
538 	u16 min_turnaround_time;
539 	struct acpi_generic_address doorbell_ack_register;
540 	u64 ack_preserve_mask;
541 	u64 ack_write_mask;
542 };
543 
544 /* Values for doorbell flags above */
545 
546 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
547 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
548 
549 /*
550  * PCC memory structures (not part of the ACPI table)
551  */
552 
553 /* Shared Memory Region */
554 
555 struct acpi_pcct_shared_memory {
556 	u32 signature;
557 	u16 command;
558 	u16 status;
559 };
560 
561 /*******************************************************************************
562  *
563  * PMTT - Platform Memory Topology Table (ACPI 5.0)
564  *        Version 1
565  *
566  ******************************************************************************/
567 
568 struct acpi_table_pmtt {
569 	struct acpi_table_header header;	/* Common ACPI table header */
570 	u32 reserved;
571 };
572 
573 /* Common header for PMTT subtables that follow main table */
574 
575 struct acpi_pmtt_header {
576 	u8 type;
577 	u8 reserved1;
578 	u16 length;
579 	u16 flags;
580 	u16 reserved2;
581 };
582 
583 /* Values for Type field above */
584 
585 #define ACPI_PMTT_TYPE_SOCKET           0
586 #define ACPI_PMTT_TYPE_CONTROLLER       1
587 #define ACPI_PMTT_TYPE_DIMM             2
588 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFF are reserved */
589 
590 /* Values for Flags field above */
591 
592 #define ACPI_PMTT_TOP_LEVEL             0x0001
593 #define ACPI_PMTT_PHYSICAL              0x0002
594 #define ACPI_PMTT_MEMORY_TYPE           0x000C
595 
596 /*
597  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
598  */
599 
600 /* 0: Socket Structure */
601 
602 struct acpi_pmtt_socket {
603 	struct acpi_pmtt_header header;
604 	u16 socket_id;
605 	u16 reserved;
606 };
607 
608 /* 1: Memory Controller subtable */
609 
610 struct acpi_pmtt_controller {
611 	struct acpi_pmtt_header header;
612 	u32 read_latency;
613 	u32 write_latency;
614 	u32 read_bandwidth;
615 	u32 write_bandwidth;
616 	u16 access_width;
617 	u16 alignment;
618 	u16 reserved;
619 	u16 domain_count;
620 };
621 
622 /* 1a: Proximity Domain substructure */
623 
624 struct acpi_pmtt_domain {
625 	u32 proximity_domain;
626 };
627 
628 /* 2: Physical Component Identifier (DIMM) */
629 
630 struct acpi_pmtt_physical_component {
631 	struct acpi_pmtt_header header;
632 	u16 component_id;
633 	u16 reserved;
634 	u32 memory_size;
635 	u32 bios_handle;
636 };
637 
638 /*******************************************************************************
639  *
640  * RASF - RAS Feature Table (ACPI 5.0)
641  *        Version 1
642  *
643  ******************************************************************************/
644 
645 struct acpi_table_rasf {
646 	struct acpi_table_header header;	/* Common ACPI table header */
647 	u8 channel_id[12];
648 };
649 
650 /* RASF Platform Communication Channel Shared Memory Region */
651 
652 struct acpi_rasf_shared_memory {
653 	u32 signature;
654 	u16 command;
655 	u16 status;
656 	u16 version;
657 	u8 capabilities[16];
658 	u8 set_capabilities[16];
659 	u16 num_parameter_blocks;
660 	u32 set_capabilities_status;
661 };
662 
663 /* RASF Parameter Block Structure Header */
664 
665 struct acpi_rasf_parameter_block {
666 	u16 type;
667 	u16 version;
668 	u16 length;
669 };
670 
671 /* RASF Parameter Block Structure for PATROL_SCRUB */
672 
673 struct acpi_rasf_patrol_scrub_parameter {
674 	struct acpi_rasf_parameter_block header;
675 	u16 patrol_scrub_command;
676 	u64 requested_address_range[2];
677 	u64 actual_address_range[2];
678 	u16 flags;
679 	u8 requested_speed;
680 };
681 
682 /* Masks for Flags and Speed fields above */
683 
684 #define ACPI_RASF_SCRUBBER_RUNNING      1
685 #define ACPI_RASF_SPEED                 (7<<1)
686 #define ACPI_RASF_SPEED_SLOW            (0<<1)
687 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
688 #define ACPI_RASF_SPEED_FAST            (7<<1)
689 
690 /* Channel Commands */
691 
692 enum acpi_rasf_commands {
693 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
694 };
695 
696 /* Platform RAS Capabilities */
697 
698 enum acpi_rasf_capabiliities {
699 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
700 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
701 };
702 
703 /* Patrol Scrub Commands */
704 
705 enum acpi_rasf_patrol_scrub_commands {
706 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
707 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
708 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
709 };
710 
711 /* Channel Command flags */
712 
713 #define ACPI_RASF_GENERATE_SCI          (1<<15)
714 
715 /* Status values */
716 
717 enum acpi_rasf_status {
718 	ACPI_RASF_SUCCESS = 0,
719 	ACPI_RASF_NOT_VALID = 1,
720 	ACPI_RASF_NOT_SUPPORTED = 2,
721 	ACPI_RASF_BUSY = 3,
722 	ACPI_RASF_FAILED = 4,
723 	ACPI_RASF_ABORTED = 5,
724 	ACPI_RASF_INVALID_DATA = 6
725 };
726 
727 /* Status flags */
728 
729 #define ACPI_RASF_COMMAND_COMPLETE      (1)
730 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
731 #define ACPI_RASF_ERROR                 (1<<2)
732 #define ACPI_RASF_STATUS                (0x1F<<3)
733 
734 /*******************************************************************************
735  *
736  * STAO - Status Override Table (_STA override) - ACPI 6.0
737  *        Version 1
738  *
739  * Conforms to "ACPI Specification for Status Override Table"
740  * 6 January 2015
741  *
742  ******************************************************************************/
743 
744 struct acpi_table_stao {
745 	struct acpi_table_header header;	/* Common ACPI table header */
746 	u8 ignore_uart;
747 };
748 
749 /*******************************************************************************
750  *
751  * WPBT - Windows Platform Environment Table (ACPI 6.0)
752  *        Version 1
753  *
754  * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
755  *
756  ******************************************************************************/
757 
758 struct acpi_table_wpbt {
759 	struct acpi_table_header header;	/* Common ACPI table header */
760 	u32 handoff_size;
761 	u64 handoff_address;
762 	u8 layout;
763 	u8 type;
764 	u16 arguments_length;
765 };
766 
767 /*******************************************************************************
768  *
769  * XENV - Xen Environment Table (ACPI 6.0)
770  *        Version 1
771  *
772  * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
773  *
774  ******************************************************************************/
775 
776 struct acpi_table_xenv {
777 	struct acpi_table_header header;	/* Common ACPI table header */
778 	u64 grant_table_address;
779 	u64 grant_table_size;
780 	u32 event_interrupt;
781 	u8 event_flags;
782 };
783 
784 /* Reset to default packing */
785 
786 #pragma pack()
787 
788 #endif				/* __ACTBL3_H__ */
789