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gerrit.devboardsforandroid.linaro.org / device / linaro / hikey960 / 82c807137a2c3f033e23e414476d131e88ad221a / . / uefi / linaro-edk2 / MdePkg / Include / IndustryStandard / Acpi10.h
blob: 635030ec5a607e1cf5737351a9d95616a1a42f9e [file] [log] [blame]
Vishal Bhoj82c80712015-12-15 21:13:33 +0530[diff] [blame^]1/** @file
2 ACPI 1.0b definitions from the ACPI Specification, revision 1.0b
3
4Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
5This program and the accompanying materials are licensed and made available under
6the terms and conditions of the BSD License that accompanies this distribution.
7The full text of the license may be found at
8http://opensource.org/licenses/bsd-license.php.
9
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12**/
13
14#ifndef _ACPI_1_0_H_
15#define _ACPI_1_0_H_
16
17#include <IndustryStandard/AcpiAml.h>
18
19///
20/// Common table header, this prefaces all ACPI tables, including FACS, but
21/// excluding the RSD PTR structure.
22///
23typedef struct {
24 UINT32 Signature;
25 UINT32 Length;
26} EFI_ACPI_COMMON_HEADER;
27
28#pragma pack(1)
29///
30/// The common ACPI description table header. This structure prefaces most ACPI tables.
31///
32typedef struct {
33 UINT32 Signature;
34 UINT32 Length;
35 UINT8 Revision;
36 UINT8 Checksum;
37 UINT8 OemId[6];
38 UINT64 OemTableId;
39 UINT32 OemRevision;
40 UINT32 CreatorId;
41 UINT32 CreatorRevision;
42} EFI_ACPI_DESCRIPTION_HEADER;
43#pragma pack()
44
45//
46// Define for Desriptor
47//
48#define ACPI_SMALL_ITEM_FLAG 0x00
49#define ACPI_LARGE_ITEM_FLAG 0x01
50
51//
52// Small Item Descriptor Name
53//
54#define ACPI_SMALL_IRQ_DESCRIPTOR_NAME 0x04
55#define ACPI_SMALL_DMA_DESCRIPTOR_NAME 0x05
56#define ACPI_SMALL_START_DEPENDENT_DESCRIPTOR_NAME 0x06
57#define ACPI_SMALL_END_DEPENDENT_DESCRIPTOR_NAME 0x07
58#define ACPI_SMALL_IO_PORT_DESCRIPTOR_NAME 0x08
59#define ACPI_SMALL_FIXED_IO_PORT_DESCRIPTOR_NAME 0x09
60#define ACPI_SMALL_VENDOR_DEFINED_DESCRIPTOR_NAME 0x0E
61#define ACPI_SMALL_END_TAG_DESCRIPTOR_NAME 0x0F
62
63//
64// Large Item Descriptor Name
65//
66#define ACPI_LARGE_24_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x01
67#define ACPI_LARGE_VENDOR_DEFINED_DESCRIPTOR_NAME 0x04
68#define ACPI_LARGE_32_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x05
69#define ACPI_LARGE_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR_NAME 0x06
70#define ACPI_LARGE_DWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x07
71#define ACPI_LARGE_WORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x08
72#define ACPI_LARGE_EXTENDED_IRQ_DESCRIPTOR_NAME 0x09
73#define ACPI_LARGE_QWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x0A
74
75//
76// Small Item Descriptor Value
77//
78#define ACPI_IRQ_NOFLAG_DESCRIPTOR 0x22
79#define ACPI_IRQ_DESCRIPTOR 0x23
80#define ACPI_DMA_DESCRIPTOR 0x2A
81#define ACPI_START_DEPENDENT_DESCRIPTOR 0x30
82#define ACPI_START_DEPENDENT_EX_DESCRIPTOR 0x31
83#define ACPI_END_DEPENDENT_DESCRIPTOR 0x38
84#define ACPI_IO_PORT_DESCRIPTOR 0x47
85#define ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR 0x4B
86#define ACPI_END_TAG_DESCRIPTOR 0x79
87
88//
89// Large Item Descriptor Value
90//
91#define ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR 0x81
92#define ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR 0x85
93#define ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR 0x86
94#define ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR 0x87
95#define ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR 0x88
96#define ACPI_EXTENDED_INTERRUPT_DESCRIPTOR 0x89
97#define ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR 0x8A
98#define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
99
100//
101// Resource Type
102//
103#define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
104#define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
105#define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
106
107///
108/// Power Management Timer frequency is fixed at 3.579545MHz.
109///
110#define ACPI_TIMER_FREQUENCY 3579545
111
112//
113// Ensure proper structure formats
114//
115#pragma pack(1)
116
117///
118/// The commond definition of QWORD, DWORD, and WORD
119/// Address Space Descriptors.
120///
121typedef PACKED struct {
122 UINT8 Desc;
123 UINT16 Len;
124 UINT8 ResType;
125 UINT8 GenFlag;
126 UINT8 SpecificFlag;
127 UINT64 AddrSpaceGranularity;
128 UINT64 AddrRangeMin;
129 UINT64 AddrRangeMax;
130 UINT64 AddrTranslationOffset;
131 UINT64 AddrLen;
132} EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR;
133
134typedef PACKED union {
135 UINT8 Byte;
136 PACKED struct {
137 UINT8 Length : 3;
138 UINT8 Name : 4;
139 UINT8 Type : 1;
140 } Bits;
141} ACPI_SMALL_RESOURCE_HEADER;
142
143typedef PACKED struct {
144 PACKED union {
145 UINT8 Byte;
146 PACKED struct {
147 UINT8 Name : 7;
148 UINT8 Type : 1;
149 }Bits;
150 } Header;
151 UINT16 Length;
152} ACPI_LARGE_RESOURCE_HEADER;
153
154///
155/// IRQ Descriptor.
156///
157typedef PACKED struct {
158 ACPI_SMALL_RESOURCE_HEADER Header;
159 UINT16 Mask;
160} EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR;
161
162///
163/// IRQ Descriptor.
164///
165typedef PACKED struct {
166 ACPI_SMALL_RESOURCE_HEADER Header;
167 UINT16 Mask;
168 UINT8 Information;
169} EFI_ACPI_IRQ_DESCRIPTOR;
170
171///
172/// DMA Descriptor.
173///
174typedef PACKED struct {
175 ACPI_SMALL_RESOURCE_HEADER Header;
176 UINT8 ChannelMask;
177 UINT8 Information;
178} EFI_ACPI_DMA_DESCRIPTOR;
179
180///
181/// I/O Port Descriptor
182///
183typedef PACKED struct {
184 ACPI_SMALL_RESOURCE_HEADER Header;
185 UINT8 Information;
186 UINT16 BaseAddressMin;
187 UINT16 BaseAddressMax;
188 UINT8 Alignment;
189 UINT8 Length;
190} EFI_ACPI_IO_PORT_DESCRIPTOR;
191
192///
193/// Fixed Location I/O Port Descriptor.
194///
195typedef PACKED struct {
196 ACPI_SMALL_RESOURCE_HEADER Header;
197 UINT16 BaseAddress;
198 UINT8 Length;
199} EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR;
200
201///
202/// 24-Bit Memory Range Descriptor
203///
204typedef PACKED struct {
205 ACPI_LARGE_RESOURCE_HEADER Header;
206 UINT8 Information;
207 UINT16 BaseAddressMin;
208 UINT16 BaseAddressMax;
209 UINT16 Alignment;
210 UINT16 Length;
211} EFI_ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR;
212
213///
214/// 32-Bit Memory Range Descriptor
215///
216typedef PACKED struct {
217 ACPI_LARGE_RESOURCE_HEADER Header;
218 UINT8 Information;
219 UINT32 BaseAddressMin;
220 UINT32 BaseAddressMax;
221 UINT32 Alignment;
222 UINT32 Length;
223} EFI_ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR;
224
225///
226/// Fixed 32-Bit Fixed Memory Range Descriptor
227///
228typedef PACKED struct {
229 ACPI_LARGE_RESOURCE_HEADER Header;
230 UINT8 Information;
231 UINT32 BaseAddress;
232 UINT32 Length;
233} EFI_ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR;
234
235///
236/// QWORD Address Space Descriptor
237///
238typedef PACKED struct {
239 ACPI_LARGE_RESOURCE_HEADER Header;
240 UINT8 ResType;
241 UINT8 GenFlag;
242 UINT8 SpecificFlag;
243 UINT64 AddrSpaceGranularity;
244 UINT64 AddrRangeMin;
245 UINT64 AddrRangeMax;
246 UINT64 AddrTranslationOffset;
247 UINT64 AddrLen;
248} EFI_ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR;
249
250///
251/// DWORD Address Space Descriptor
252///
253typedef PACKED struct {
254 ACPI_LARGE_RESOURCE_HEADER Header;
255 UINT8 ResType;
256 UINT8 GenFlag;
257 UINT8 SpecificFlag;
258 UINT32 AddrSpaceGranularity;
259 UINT32 AddrRangeMin;
260 UINT32 AddrRangeMax;
261 UINT32 AddrTranslationOffset;
262 UINT32 AddrLen;
263} EFI_ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR;
264
265///
266/// WORD Address Space Descriptor
267///
268typedef PACKED struct {
269 ACPI_LARGE_RESOURCE_HEADER Header;
270 UINT8 ResType;
271 UINT8 GenFlag;
272 UINT8 SpecificFlag;
273 UINT16 AddrSpaceGranularity;
274 UINT16 AddrRangeMin;
275 UINT16 AddrRangeMax;
276 UINT16 AddrTranslationOffset;
277 UINT16 AddrLen;
278} EFI_ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR;
279
280///
281/// Extended Interrupt Descriptor
282///
283typedef PACKED struct {
284 ACPI_LARGE_RESOURCE_HEADER Header;
285 UINT8 InterruptVectorFlags;
286 UINT8 InterruptTableLength;
287 UINT32 InterruptNumber[1];
288} EFI_ACPI_EXTENDED_INTERRUPT_DESCRIPTOR;
289
290#pragma pack()
291
292///
293/// The End tag identifies an end of resource data.
294///
295typedef struct {
296 UINT8 Desc;
297 UINT8 Checksum;
298} EFI_ACPI_END_TAG_DESCRIPTOR;
299
300//
301// General use definitions
302//
303#define EFI_ACPI_RESERVED_BYTE 0x00
304#define EFI_ACPI_RESERVED_WORD 0x0000
305#define EFI_ACPI_RESERVED_DWORD 0x00000000
306#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
307
308//
309// Resource Type Specific Flags
310// Ref ACPI specification 6.4.3.5.5
311//
312// Bit [0] : Write Status, _RW
313//
314#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
315#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
316//
317// Bit [2:1] : Memory Attributes, _MEM
318//
319#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
320#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
321#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
322#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
323//
324// Bit [4:3] : Memory Attributes, _MTP
325//
326#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
327#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
328#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
329#define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
330//
331// Bit [5] : Memory to I/O Translation, _TTP
332//
333#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
334#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)
335
336//
337// IRQ Information
338// Ref ACPI specification 6.4.2.1
339//
340#define EFI_ACPI_IRQ_SHARABLE_MASK 0x10
341#define EFI_ACPI_IRQ_SHARABLE 0x10
342
343#define EFI_ACPI_IRQ_POLARITY_MASK 0x08
344#define EFI_ACPI_IRQ_HIGH_TRUE 0x00
345#define EFI_ACPI_IRQ_LOW_FALSE 0x08
346
347#define EFI_ACPI_IRQ_MODE 0x01
348#define EFI_ACPI_IRQ_LEVEL_TRIGGERED 0x00
349#define EFI_ACPI_IRQ_EDGE_TRIGGERED 0x01
350
351//
352// DMA Information
353// Ref ACPI specification 6.4.2.2
354//
355#define EFI_ACPI_DMA_SPEED_TYPE_MASK 0x60
356#define EFI_ACPI_DMA_SPEED_TYPE_COMPATIBILITY 0x00
357#define EFI_ACPI_DMA_SPEED_TYPE_A 0x20
358#define EFI_ACPI_DMA_SPEED_TYPE_B 0x40
359#define EFI_ACPI_DMA_SPEED_TYPE_F 0x60
360
361#define EFI_ACPI_DMA_BUS_MASTER_MASK 0x04
362#define EFI_ACPI_DMA_BUS_MASTER 0x04
363
364#define EFI_ACPI_DMA_TRANSFER_TYPE_MASK 0x03
365#define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT 0x00
366#define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT_AND_16_BIT 0x01
367#define EFI_ACPI_DMA_TRANSFER_TYPE_16_BIT 0x10
368
369//
370// IO Information
371// Ref ACPI specification 6.4.2.5
372//
373#define EFI_ACPI_IO_DECODE_MASK 0x01
374#define EFI_ACPI_IO_DECODE_16_BIT 0x01
375#define EFI_ACPI_IO_DECODE_10_BIT 0x00
376
377//
378// Memory Information
379// Ref ACPI specification 6.4.3.4
380//
381#define EFI_ACPI_MEMORY_WRITE_STATUS_MASK 0x01
382#define EFI_ACPI_MEMORY_WRITABLE 0x01
383#define EFI_ACPI_MEMORY_NON_WRITABLE 0x00
384
385//
386// Ensure proper structure formats
387//
388#pragma pack(1)
389//
390// ACPI 1.0b table structures
391//
392
393///
394/// Root System Description Pointer Structure.
395///
396typedef struct {
397 UINT64 Signature;
398 UINT8 Checksum;
399 UINT8 OemId[6];
400 UINT8 Reserved;
401 UINT32 RsdtAddress;
402} EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER;
403
404//
405// Root System Description Table
406// No definition needed as it is a common description table header, the same with
407// EFI_ACPI_DESCRIPTION_HEADER, followed by a variable number of UINT32 table pointers.
408//
409
410///
411/// RSDT Revision (as defined in ACPI 1.0b specification).
412///
413#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01
414
415///
416/// Fixed ACPI Description Table Structure (FADT).
417///
418typedef struct {
419 EFI_ACPI_DESCRIPTION_HEADER Header;
420 UINT32 FirmwareCtrl;
421 UINT32 Dsdt;
422 UINT8 IntModel;
423 UINT8 Reserved1;
424 UINT16 SciInt;
425 UINT32 SmiCmd;
426 UINT8 AcpiEnable;
427 UINT8 AcpiDisable;
428 UINT8 S4BiosReq;
429 UINT8 Reserved2;
430 UINT32 Pm1aEvtBlk;
431 UINT32 Pm1bEvtBlk;
432 UINT32 Pm1aCntBlk;
433 UINT32 Pm1bCntBlk;
434 UINT32 Pm2CntBlk;
435 UINT32 PmTmrBlk;
436 UINT32 Gpe0Blk;
437 UINT32 Gpe1Blk;
438 UINT8 Pm1EvtLen;
439 UINT8 Pm1CntLen;
440 UINT8 Pm2CntLen;
441 UINT8 PmTmLen;
442 UINT8 Gpe0BlkLen;
443 UINT8 Gpe1BlkLen;
444 UINT8 Gpe1Base;
445 UINT8 Reserved3;
446 UINT16 PLvl2Lat;
447 UINT16 PLvl3Lat;
448 UINT16 FlushSize;
449 UINT16 FlushStride;
450 UINT8 DutyOffset;
451 UINT8 DutyWidth;
452 UINT8 DayAlrm;
453 UINT8 MonAlrm;
454 UINT8 Century;
455 UINT8 Reserved4;
456 UINT8 Reserved5;
457 UINT8 Reserved6;
458 UINT32 Flags;
459} EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE;
460
461///
462/// FADT Version (as defined in ACPI 1.0b specification).
463///
464#define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION 0x01
465
466#define EFI_ACPI_1_0_INT_MODE_DUAL_PIC 0
467#define EFI_ACPI_1_0_INT_MODE_MULTIPLE_APIC 1
468
469//
470// Fixed ACPI Description Table Fixed Feature Flags
471// All other bits are reserved and must be set to 0.
472//
473#define EFI_ACPI_1_0_WBINVD BIT0
474#define EFI_ACPI_1_0_WBINVD_FLUSH BIT1
475#define EFI_ACPI_1_0_PROC_C1 BIT2
476#define EFI_ACPI_1_0_P_LVL2_UP BIT3
477#define EFI_ACPI_1_0_PWR_BUTTON BIT4
478#define EFI_ACPI_1_0_SLP_BUTTON BIT5
479#define EFI_ACPI_1_0_FIX_RTC BIT6
480#define EFI_ACPI_1_0_RTC_S4 BIT7
481#define EFI_ACPI_1_0_TMR_VAL_EXT BIT8
482#define EFI_ACPI_1_0_DCK_CAP BIT9
483
484///
485/// Firmware ACPI Control Structure.
486///
487typedef struct {
488 UINT32 Signature;
489 UINT32 Length;
490 UINT32 HardwareSignature;
491 UINT32 FirmwareWakingVector;
492 UINT32 GlobalLock;
493 UINT32 Flags;
494 UINT8 Reserved[40];
495} EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE;
496
497///
498/// Firmware Control Structure Feature Flags.
499/// All other bits are reserved and must be set to 0.
500///
501#define EFI_ACPI_1_0_S4BIOS_F BIT0
502
503///
504/// Multiple APIC Description Table header definition. The rest of the table
505/// must be defined in a platform-specific manner.
506///
507typedef struct {
508 EFI_ACPI_DESCRIPTION_HEADER Header;
509 UINT32 LocalApicAddress;
510 UINT32 Flags;
511} EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER;
512
513///
514/// MADT Revision (as defined in ACPI 1.0b specification).
515///
516#define EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION 0x01
517
518///
519/// Multiple APIC Flags
520/// All other bits are reserved and must be set to 0.
521///
522#define EFI_ACPI_1_0_PCAT_COMPAT BIT0
523
524//
525// Multiple APIC Description Table APIC structure types
526// All other values between 0x05 an 0xFF are reserved and
527// will be ignored by OSPM.
528//
529#define EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC 0x00
530#define EFI_ACPI_1_0_IO_APIC 0x01
531#define EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE 0x02
532#define EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE 0x03
533#define EFI_ACPI_1_0_LOCAL_APIC_NMI 0x04
534
535//
536// APIC Structure Definitions
537//
538
539///
540/// Processor Local APIC Structure Definition.
541///
542typedef struct {
543 UINT8 Type;
544 UINT8 Length;
545 UINT8 AcpiProcessorId;
546 UINT8 ApicId;
547 UINT32 Flags;
548} EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE;
549
550///
551/// Local APIC Flags. All other bits are reserved and must be 0.
552///
553#define EFI_ACPI_1_0_LOCAL_APIC_ENABLED BIT0
554
555///
556/// IO APIC Structure.
557///
558typedef struct {
559 UINT8 Type;
560 UINT8 Length;
561 UINT8 IoApicId;
562 UINT8 Reserved;
563 UINT32 IoApicAddress;
564 UINT32 SystemVectorBase;
565} EFI_ACPI_1_0_IO_APIC_STRUCTURE;
566
567///
568/// Interrupt Source Override Structure.
569///
570typedef struct {
571 UINT8 Type;
572 UINT8 Length;
573 UINT8 Bus;
574 UINT8 Source;
575 UINT32 GlobalSystemInterruptVector;
576 UINT16 Flags;
577} EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE;
578
579///
580/// Non-Maskable Interrupt Source Structure.
581///
582typedef struct {
583 UINT8 Type;
584 UINT8 Length;
585 UINT16 Flags;
586 UINT32 GlobalSystemInterruptVector;
587} EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE_STRUCTURE;
588
589///
590/// Local APIC NMI Structure.
591///
592typedef struct {
593 UINT8 Type;
594 UINT8 Length;
595 UINT8 AcpiProcessorId;
596 UINT16 Flags;
597 UINT8 LocalApicInti;
598} EFI_ACPI_1_0_LOCAL_APIC_NMI_STRUCTURE;
599
600///
601/// Smart Battery Description Table (SBST)
602///
603typedef struct {
604 EFI_ACPI_DESCRIPTION_HEADER Header;
605 UINT32 WarningEnergyLevel;
606 UINT32 LowEnergyLevel;
607 UINT32 CriticalEnergyLevel;
608} EFI_ACPI_1_0_SMART_BATTERY_DESCRIPTION_TABLE;
609
610//
611// Known table signatures
612//
613
614///
615/// "RSD PTR " Root System Description Pointer.
616///
617#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE SIGNATURE_64('R', 'S', 'D', ' ', 'P', 'T', 'R', ' ')
618
619///
620/// "APIC" Multiple APIC Description Table.
621///
622#define EFI_ACPI_1_0_APIC_SIGNATURE SIGNATURE_32('A', 'P', 'I', 'C')
623
624///
625/// "DSDT" Differentiated System Description Table.
626///
627#define EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('D', 'S', 'D', 'T')
628
629///
630/// "FACS" Firmware ACPI Control Structure.
631///
632#define EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'S')
633
634///
635/// "FACP" Fixed ACPI Description Table.
636///
637#define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'P')
638
639///
640/// "PSDT" Persistent System Description Table.
641///
642#define EFI_ACPI_1_0_PERSISTENT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('P', 'S', 'D', 'T')
643
644///
645/// "RSDT" Root System Description Table.
646///
647#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('R', 'S', 'D', 'T')
648
649///
650/// "SBST" Smart Battery Specification Table.
651///
652#define EFI_ACPI_1_0_SMART_BATTERY_SPECIFICATION_TABLE_SIGNATURE SIGNATURE_32('S', 'B', 'S', 'T')
653
654///
655/// "SSDT" Secondary System Description Table.
656///
657#define EFI_ACPI_1_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('S', 'S', 'D', 'T')
658
659#pragma pack()
660
661#endif