xref: /openbmc/linux/include/acpi/actbl1.h (revision 9ac8d3fb)
1 /******************************************************************************
2  *
3  * Name: actbl1.h - Additional ACPI table definitions
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2008, 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 __ACTBL1_H__
45 #define __ACTBL1_H__
46 
47 /*******************************************************************************
48  *
49  * Additional ACPI Tables
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  ******************************************************************************/
55 
56 /*
57  * Values for description table header signatures. Useful because they make
58  * it more difficult to inadvertently type in the wrong signature.
59  */
60 #define ACPI_SIG_ASF            "ASF!"	/* Alert Standard Format table */
61 #define ACPI_SIG_BERT           "BERT"	/* Boot Error Record Table */
62 #define ACPI_SIG_BOOT           "BOOT"	/* Simple Boot Flag Table */
63 #define ACPI_SIG_CPEP           "CPEP"	/* Corrected Platform Error Polling table */
64 #define ACPI_SIG_DBGP           "DBGP"	/* Debug Port table */
65 #define ACPI_SIG_DMAR           "DMAR"	/* DMA Remapping table */
66 #define ACPI_SIG_ECDT           "ECDT"	/* Embedded Controller Boot Resources Table */
67 #define ACPI_SIG_EINJ           "EINJ"	/* Error Injection table */
68 #define ACPI_SIG_ERST           "ERST"	/* Error Record Serialization Table */
69 #define ACPI_SIG_HEST           "HEST"	/* Hardware Error Source Table */
70 #define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
71 #define ACPI_SIG_IBFT           "IBFT"	/* i_sCSI Boot Firmware Table */
72 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
73 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
74 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
75 #define ACPI_SIG_SLIC           "SLIC"	/* Software Licensing Description Table */
76 #define ACPI_SIG_SLIT           "SLIT"	/* System Locality Distance Information Table */
77 #define ACPI_SIG_SPCR           "SPCR"	/* Serial Port Console Redirection table */
78 #define ACPI_SIG_SPMI           "SPMI"	/* Server Platform Management Interface table */
79 #define ACPI_SIG_SRAT           "SRAT"	/* System Resource Affinity Table */
80 #define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
81 #define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
82 #define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
83 #define ACPI_SIG_WDRT           "WDRT"	/* Watchdog Resource Table */
84 
85 /*
86  * All tables must be byte-packed to match the ACPI specification, since
87  * the tables are provided by the system BIOS.
88  */
89 #pragma pack(1)
90 
91 /*
92  * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
93  * This is the only type that is even remotely portable. Anything else is not
94  * portable, so do not use any other bitfield types.
95  */
96 
97 /* Common Subtable header (used in MADT, SRAT, etc.) */
98 
99 struct acpi_subtable_header {
100 	u8 type;
101 	u8 length;
102 };
103 
104 /* Common Subtable header for WHEA tables (EINJ, ERST, WDAT) */
105 
106 struct acpi_whea_header {
107 	u8 action;
108 	u8 instruction;
109 	u8 flags;
110 	u8 reserved;
111 	struct acpi_generic_address register_region;
112 	u64 value;		/* Value used with Read/Write register */
113 	u64 mask;		/* Bitmask required for this register instruction */
114 };
115 
116 /*******************************************************************************
117  *
118  * ASF - Alert Standard Format table (Signature "ASF!")
119  *
120  * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
121  *
122  ******************************************************************************/
123 
124 struct acpi_table_asf {
125 	struct acpi_table_header header;	/* Common ACPI table header */
126 };
127 
128 /* ASF subtable header */
129 
130 struct acpi_asf_header {
131 	u8 type;
132 	u8 reserved;
133 	u16 length;
134 };
135 
136 /* Values for Type field above */
137 
138 enum acpi_asf_type {
139 	ACPI_ASF_TYPE_INFO = 0,
140 	ACPI_ASF_TYPE_ALERT = 1,
141 	ACPI_ASF_TYPE_CONTROL = 2,
142 	ACPI_ASF_TYPE_BOOT = 3,
143 	ACPI_ASF_TYPE_ADDRESS = 4,
144 	ACPI_ASF_TYPE_RESERVED = 5
145 };
146 
147 /*
148  * ASF subtables
149  */
150 
151 /* 0: ASF Information */
152 
153 struct acpi_asf_info {
154 	struct acpi_asf_header header;
155 	u8 min_reset_value;
156 	u8 min_poll_interval;
157 	u16 system_id;
158 	u32 mfg_id;
159 	u8 flags;
160 	u8 reserved2[3];
161 };
162 
163 /* 1: ASF Alerts */
164 
165 struct acpi_asf_alert {
166 	struct acpi_asf_header header;
167 	u8 assert_mask;
168 	u8 deassert_mask;
169 	u8 alerts;
170 	u8 data_length;
171 };
172 
173 struct acpi_asf_alert_data {
174 	u8 address;
175 	u8 command;
176 	u8 mask;
177 	u8 value;
178 	u8 sensor_type;
179 	u8 type;
180 	u8 offset;
181 	u8 source_type;
182 	u8 severity;
183 	u8 sensor_number;
184 	u8 entity;
185 	u8 instance;
186 };
187 
188 /* 2: ASF Remote Control */
189 
190 struct acpi_asf_remote {
191 	struct acpi_asf_header header;
192 	u8 controls;
193 	u8 data_length;
194 	u16 reserved2;
195 };
196 
197 struct acpi_asf_control_data {
198 	u8 function;
199 	u8 address;
200 	u8 command;
201 	u8 value;
202 };
203 
204 /* 3: ASF RMCP Boot Options */
205 
206 struct acpi_asf_rmcp {
207 	struct acpi_asf_header header;
208 	u8 capabilities[7];
209 	u8 completion_code;
210 	u32 enterprise_id;
211 	u8 command;
212 	u16 parameter;
213 	u16 boot_options;
214 	u16 oem_parameters;
215 };
216 
217 /* 4: ASF Address */
218 
219 struct acpi_asf_address {
220 	struct acpi_asf_header header;
221 	u8 eprom_address;
222 	u8 devices;
223 };
224 
225 /*******************************************************************************
226  *
227  * BERT - Boot Error Record Table
228  *
229  ******************************************************************************/
230 
231 struct acpi_table_bert {
232 	struct acpi_table_header header;	/* Common ACPI table header */
233 	u32 region_length;	/* Length of the boot error region */
234 	u64 address;		/* Physical addresss of the error region */
235 };
236 
237 /* Boot Error Region */
238 
239 struct acpi_bert_region {
240 	u32 block_status;
241 	u32 raw_data_offset;
242 	u32 raw_data_length;
243 	u32 data_length;
244 	u32 error_severity;
245 };
246 
247 /* block_status Flags */
248 
249 #define ACPI_BERT_UNCORRECTABLE             (1)
250 #define ACPI_BERT_CORRECTABLE               (2)
251 #define ACPI_BERT_MULTIPLE_UNCORRECTABLE    (4)
252 #define ACPI_BERT_MULTIPLE_CORRECTABLE      (8)
253 
254 /*******************************************************************************
255  *
256  * BOOT - Simple Boot Flag Table
257  *
258  ******************************************************************************/
259 
260 struct acpi_table_boot {
261 	struct acpi_table_header header;	/* Common ACPI table header */
262 	u8 cmos_index;		/* Index in CMOS RAM for the boot register */
263 	u8 reserved[3];
264 };
265 
266 /*******************************************************************************
267  *
268  * CPEP - Corrected Platform Error Polling table
269  *
270  ******************************************************************************/
271 
272 struct acpi_table_cpep {
273 	struct acpi_table_header header;	/* Common ACPI table header */
274 	u64 reserved;
275 };
276 
277 /* Subtable */
278 
279 struct acpi_cpep_polling {
280 	u8 type;
281 	u8 length;
282 	u8 id;			/* Processor ID */
283 	u8 eid;			/* Processor EID */
284 	u32 interval;		/* Polling interval (msec) */
285 };
286 
287 /*******************************************************************************
288  *
289  * DBGP - Debug Port table
290  *
291  ******************************************************************************/
292 
293 struct acpi_table_dbgp {
294 	struct acpi_table_header header;	/* Common ACPI table header */
295 	u8 type;		/* 0=full 16550, 1=subset of 16550 */
296 	u8 reserved[3];
297 	struct acpi_generic_address debug_port;
298 };
299 
300 /*******************************************************************************
301  *
302  * DMAR - DMA Remapping table
303  *	  From "Intel Virtualization Technology for Directed I/O", Sept. 2007
304  *
305  ******************************************************************************/
306 
307 struct acpi_table_dmar {
308 	struct acpi_table_header header;	/* Common ACPI table header */
309 	u8 width;		/* Host Address Width */
310 	u8 flags;
311 	u8 reserved[10];
312 };
313 
314 /* Flags */
315 
316 #define ACPI_DMAR_INTR_REMAP	    (1)
317 
318 /* DMAR subtable header */
319 
320 struct acpi_dmar_header {
321 	u16 type;
322 	u16 length;
323 };
324 
325 /* Values for subtable type in struct acpi_dmar_header */
326 
327 enum acpi_dmar_type {
328 	ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
329 	ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
330 	ACPI_DMAR_TYPE_ATSR = 2,
331 	ACPI_DMAR_TYPE_RESERVED = 3	/* 3 and greater are reserved */
332 };
333 
334 struct acpi_dmar_device_scope {
335 	u8 entry_type;
336 	u8 length;
337 	u16 reserved;
338 	u8 enumeration_id;
339 	u8 bus;
340 };
341 
342 /* Values for entry_type in struct acpi_dmar_device_scope */
343 
344 enum acpi_dmar_scope_type {
345 	ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
346 	ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
347 	ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
348 	ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3,
349 	ACPI_DMAR_SCOPE_TYPE_HPET = 4,
350 	ACPI_DMAR_SCOPE_TYPE_RESERVED = 5	/* 5 and greater are reserved */
351 };
352 
353 struct acpi_dmar_pci_path {
354 	u8 dev;
355 	u8 fn;
356 };
357 
358 /*
359  * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header
360  */
361 
362 /* 0: Hardware Unit Definition */
363 
364 struct acpi_dmar_hardware_unit {
365 	struct acpi_dmar_header header;
366 	u8 flags;
367 	u8 reserved;
368 	u16 segment;
369 	u64 address;		/* Register Base Address */
370 };
371 
372 /* Flags */
373 
374 #define ACPI_DMAR_INCLUDE_ALL       (1)
375 
376 /* 1: Reserved Memory Defininition */
377 
378 struct acpi_dmar_reserved_memory {
379 	struct acpi_dmar_header header;
380 	u16 reserved;
381 	u16 segment;
382 	u64 base_address;		/* 4_k aligned base address */
383 	u64 end_address;	/* 4_k aligned limit address */
384 };
385 
386 /* Flags */
387 
388 #define ACPI_DMAR_ALLOW_ALL         (1)
389 
390 
391 /* 2: Root Port ATS Capability Reporting Structure */
392 
393 struct acpi_dmar_atsr {
394        struct acpi_dmar_header header;
395        u8 flags;
396        u8 reserved;
397        u16 segment;
398 };
399 
400 /* Flags */
401 
402 #define ACPI_DMAR_ALL_PORTS	    (1)
403 
404 /*******************************************************************************
405  *
406  * ECDT - Embedded Controller Boot Resources Table
407  *
408  ******************************************************************************/
409 
410 struct acpi_table_ecdt {
411 	struct acpi_table_header header;	/* Common ACPI table header */
412 	struct acpi_generic_address control;	/* Address of EC command/status register */
413 	struct acpi_generic_address data;	/* Address of EC data register */
414 	u32 uid;		/* Unique ID - must be same as the EC _UID method */
415 	u8 gpe;			/* The GPE for the EC */
416 	u8 id[1];		/* Full namepath of the EC in the ACPI namespace */
417 };
418 
419 /*******************************************************************************
420  *
421  * EINJ - Error Injection Table
422  *
423  ******************************************************************************/
424 
425 struct acpi_table_einj {
426 	struct acpi_table_header header;	/* Common ACPI table header */
427 	u32 header_length;
428 	u32 reserved;
429 	u32 entries;
430 };
431 
432 /* EINJ Injection Instruction Entries (actions) */
433 
434 struct acpi_einj_entry {
435 	struct acpi_whea_header whea_header;	/* Common header for WHEA tables */
436 };
437 
438 /* Values for Action field above */
439 
440 enum acpi_einj_actions {
441 	ACPI_EINJ_BEGIN_OPERATION = 0,
442 	ACPI_EINJ_GET_TRIGGER_TABLE = 1,
443 	ACPI_EINJ_SET_ERROR_TYPE = 2,
444 	ACPI_EINJ_GET_ERROR_TYPE = 3,
445 	ACPI_EINJ_END_OPERATION = 4,
446 	ACPI_EINJ_EXECUTE_OPERATION = 5,
447 	ACPI_EINJ_CHECK_BUSY_STATUS = 6,
448 	ACPI_EINJ_GET_COMMAND_STATUS = 7,
449 	ACPI_EINJ_ACTION_RESERVED = 8,	/* 8 and greater are reserved */
450 	ACPI_EINJ_TRIGGER_ERROR = 0xFF	/* Except for this value */
451 };
452 
453 /* Values for Instruction field above */
454 
455 enum acpi_einj_instructions {
456 	ACPI_EINJ_READ_REGISTER = 0,
457 	ACPI_EINJ_READ_REGISTER_VALUE = 1,
458 	ACPI_EINJ_WRITE_REGISTER = 2,
459 	ACPI_EINJ_WRITE_REGISTER_VALUE = 3,
460 	ACPI_EINJ_NOOP = 4,
461 	ACPI_EINJ_INSTRUCTION_RESERVED = 5	/* 5 and greater are reserved */
462 };
463 
464 /* EINJ Trigger Error Action Table */
465 
466 struct acpi_einj_trigger {
467 	u32 header_size;
468 	u32 revision;
469 	u32 table_size;
470 	u32 entry_count;
471 };
472 
473 /*******************************************************************************
474  *
475  * ERST - Error Record Serialization Table
476  *
477  ******************************************************************************/
478 
479 struct acpi_table_erst {
480 	struct acpi_table_header header;	/* Common ACPI table header */
481 	u32 header_length;
482 	u32 reserved;
483 	u32 entries;
484 };
485 
486 /* ERST Serialization Entries (actions) */
487 
488 struct acpi_erst_entry {
489 	struct acpi_whea_header whea_header;	/* Common header for WHEA tables */
490 };
491 
492 /* Values for Action field above */
493 
494 enum acpi_erst_actions {
495 	ACPI_ERST_BEGIN_WRITE_OPERATION = 0,
496 	ACPI_ERST_BEGIN_READ_OPERATION = 1,
497 	ACPI_ERST_BETGIN_CLEAR_OPERATION = 2,
498 	ACPI_ERST_END_OPERATION = 3,
499 	ACPI_ERST_SET_RECORD_OFFSET = 4,
500 	ACPI_ERST_EXECUTE_OPERATION = 5,
501 	ACPI_ERST_CHECK_BUSY_STATUS = 6,
502 	ACPI_ERST_GET_COMMAND_STATUS = 7,
503 	ACPI_ERST_GET_RECORD_IDENTIFIER = 8,
504 	ACPI_ERST_SET_RECORD_IDENTIFIER = 9,
505 	ACPI_ERST_GET_RECORD_COUNT = 10,
506 	ACPI_ERST_BEGIN_DUMMY_WRIITE = 11,
507 	ACPI_ERST_NOT_USED = 12,
508 	ACPI_ERST_GET_ERROR_RANGE = 13,
509 	ACPI_ERST_GET_ERROR_LENGTH = 14,
510 	ACPI_ERST_GET_ERROR_ATTRIBUTES = 15,
511 	ACPI_ERST_ACTION_RESERVED = 16	/* 16 and greater are reserved */
512 };
513 
514 /* Values for Instruction field above */
515 
516 enum acpi_erst_instructions {
517 	ACPI_ERST_READ_REGISTER = 0,
518 	ACPI_ERST_READ_REGISTER_VALUE = 1,
519 	ACPI_ERST_WRITE_REGISTER = 2,
520 	ACPI_ERST_WRITE_REGISTER_VALUE = 3,
521 	ACPI_ERST_NOOP = 4,
522 	ACPI_ERST_LOAD_VAR1 = 5,
523 	ACPI_ERST_LOAD_VAR2 = 6,
524 	ACPI_ERST_STORE_VAR1 = 7,
525 	ACPI_ERST_ADD = 8,
526 	ACPI_ERST_SUBTRACT = 9,
527 	ACPI_ERST_ADD_VALUE = 10,
528 	ACPI_ERST_SUBTRACT_VALUE = 11,
529 	ACPI_ERST_STALL = 12,
530 	ACPI_ERST_STALL_WHILE_TRUE = 13,
531 	ACPI_ERST_SKIP_NEXT_IF_TRUE = 14,
532 	ACPI_ERST_GOTO = 15,
533 	ACPI_ERST_SET_SRC_ADDRESS_BASE = 16,
534 	ACPI_ERST_SET_DST_ADDRESS_BASE = 17,
535 	ACPI_ERST_MOVE_DATA = 18,
536 	ACPI_ERST_INSTRUCTION_RESERVED = 19	/* 19 and greater are reserved */
537 };
538 
539 /*******************************************************************************
540  *
541  * HEST - Hardware Error Source Table
542  *
543  ******************************************************************************/
544 
545 struct acpi_table_hest {
546 	struct acpi_table_header header;	/* Common ACPI table header */
547 	u32 error_source_count;
548 };
549 
550 /* HEST subtable header */
551 
552 struct acpi_hest_header {
553 	u16 type;
554 };
555 
556 /* Values for Type field above for subtables */
557 
558 enum acpi_hest_types {
559 	ACPI_HEST_TYPE_XPF_MACHINE_CHECK = 0,
560 	ACPI_HEST_TYPE_XPF_CORRECTED_MACHINE_CHECK = 1,
561 	ACPI_HEST_TYPE_XPF_UNUSED = 2,
562 	ACPI_HEST_TYPE_XPF_NON_MASKABLE_INTERRUPT = 3,
563 	ACPI_HEST_TYPE_IPF_CORRECTED_MACHINE_CHECK = 4,
564 	ACPI_HEST_TYPE_IPF_CORRECTED_PLATFORM_ERROR = 5,
565 	ACPI_HEST_TYPE_AER_ROOT_PORT = 6,
566 	ACPI_HEST_TYPE_AER_ENDPOINT = 7,
567 	ACPI_HEST_TYPE_AER_BRIDGE = 8,
568 	ACPI_HEST_TYPE_GENERIC_HARDWARE_ERROR_SOURCE = 9,
569 	ACPI_HEST_TYPE_RESERVED = 10	/* 10 and greater are reserved */
570 };
571 
572 /*
573  * HEST Sub-subtables
574  */
575 
576 /* XPF Machine Check Error Bank */
577 
578 struct acpi_hest_xpf_error_bank {
579 	u8 bank_number;
580 	u8 clear_status_on_init;
581 	u8 status_format;
582 	u8 config_write_enable;
583 	u32 control_register;
584 	u64 control_init_data;
585 	u32 status_register;
586 	u32 address_register;
587 	u32 misc_register;
588 };
589 
590 /* Generic Error Status */
591 
592 struct acpi_hest_generic_status {
593 	u32 block_status;
594 	u32 raw_data_offset;
595 	u32 raw_data_length;
596 	u32 data_length;
597 	u32 error_severity;
598 };
599 
600 /* Generic Error Data */
601 
602 struct acpi_hest_generic_data {
603 	u8 section_type[16];
604 	u32 error_severity;
605 	u16 revision;
606 	u8 validation_bits;
607 	u8 flags;
608 	u32 error_data_length;
609 	u8 fru_id[16];
610 	u8 fru_text[20];
611 };
612 
613 /* Common HEST structure for PCI/AER types below (6,7,8) */
614 
615 struct acpi_hest_aer_common {
616 	u16 source_id;
617 	u16 config_write_enable;
618 	u8 flags;
619 	u8 enabled;
620 	u32 records_to_pre_allocate;
621 	u32 max_sections_per_record;
622 	u32 bus;
623 	u16 device;
624 	u16 function;
625 	u16 device_control;
626 	u16 reserved;
627 	u32 uncorrectable_error_mask;
628 	u32 uncorrectable_error_severity;
629 	u32 correctable_error_mask;
630 	u32 advanced_error_cababilities;
631 };
632 
633 /* Hardware Error Notification */
634 
635 struct acpi_hest_notify {
636 	u8 type;
637 	u8 length;
638 	u16 config_write_enable;
639 	u32 poll_interval;
640 	u32 vector;
641 	u32 polling_threshold_value;
642 	u32 polling_threshold_window;
643 	u32 error_threshold_value;
644 	u32 error_threshold_window;
645 };
646 
647 /* Values for Notify Type field above */
648 
649 enum acpi_hest_notify_types {
650 	ACPI_HEST_NOTIFY_POLLED = 0,
651 	ACPI_HEST_NOTIFY_EXTERNAL = 1,
652 	ACPI_HEST_NOTIFY_LOCAL = 2,
653 	ACPI_HEST_NOTIFY_SCI = 3,
654 	ACPI_HEST_NOTIFY_NMI = 4,
655 	ACPI_HEST_NOTIFY_RESERVED = 5	/* 5 and greater are reserved */
656 };
657 
658 /*
659  * HEST subtables
660  *
661  * From WHEA Design Document, 16 May 2007.
662  * Note: There is no subtable type 2 in this version of the document,
663  * and there are two different subtable type 3s.
664  */
665 
666  /* 0: XPF Machine Check Exception */
667 
668 struct acpi_hest_xpf_machine_check {
669 	struct acpi_hest_header header;
670 	u16 source_id;
671 	u16 config_write_enable;
672 	u8 flags;
673 	u8 reserved1;
674 	u32 records_to_pre_allocate;
675 	u32 max_sections_per_record;
676 	u64 global_capability_data;
677 	u64 global_control_data;
678 	u8 num_hardware_banks;
679 	u8 reserved2[7];
680 };
681 
682 /* 1: XPF Corrected Machine Check */
683 
684 struct acpi_table_hest_xpf_corrected {
685 	struct acpi_hest_header header;
686 	u16 source_id;
687 	u16 config_write_enable;
688 	u8 flags;
689 	u8 enabled;
690 	u32 records_to_pre_allocate;
691 	u32 max_sections_per_record;
692 	struct acpi_hest_notify notify;
693 	u8 num_hardware_banks;
694 	u8 reserved[3];
695 };
696 
697 /* 3: XPF Non-Maskable Interrupt */
698 
699 struct acpi_hest_xpf_nmi {
700 	struct acpi_hest_header header;
701 	u16 source_id;
702 	u32 reserved;
703 	u32 records_to_pre_allocate;
704 	u32 max_sections_per_record;
705 	u32 max_raw_data_length;
706 };
707 
708 /* 4: IPF Corrected Machine Check */
709 
710 struct acpi_hest_ipf_corrected {
711 	struct acpi_hest_header header;
712 	u8 enabled;
713 	u8 reserved;
714 };
715 
716 /* 5: IPF Corrected Platform Error */
717 
718 struct acpi_hest_ipf_corrected_platform {
719 	struct acpi_hest_header header;
720 	u8 enabled;
721 	u8 reserved;
722 };
723 
724 /* 6: PCI Express Root Port AER */
725 
726 struct acpi_hest_aer_root {
727 	struct acpi_hest_header header;
728 	struct acpi_hest_aer_common aer;
729 	u32 root_error_command;
730 };
731 
732 /* 7: PCI Express AER (AER Endpoint) */
733 
734 struct acpi_hest_aer {
735 	struct acpi_hest_header header;
736 	struct acpi_hest_aer_common aer;
737 };
738 
739 /* 8: PCI Express/PCI-X Bridge AER */
740 
741 struct acpi_hest_aer_bridge {
742 	struct acpi_hest_header header;
743 	struct acpi_hest_aer_common aer;
744 	u32 secondary_uncorrectable_error_mask;
745 	u32 secondary_uncorrectable_error_severity;
746 	u32 secondary_advanced_capabilities;
747 };
748 
749 /* 9: Generic Hardware Error Source */
750 
751 struct acpi_hest_generic {
752 	struct acpi_hest_header header;
753 	u16 source_id;
754 	u16 related_source_id;
755 	u8 config_write_enable;
756 	u8 enabled;
757 	u32 records_to_pre_allocate;
758 	u32 max_sections_per_record;
759 	u32 max_raw_data_length;
760 	struct acpi_generic_address error_status_address;
761 	struct acpi_hest_notify notify;
762 	u32 error_status_block_length;
763 };
764 
765 /*******************************************************************************
766  *
767  * HPET - High Precision Event Timer table
768  *
769  ******************************************************************************/
770 
771 struct acpi_table_hpet {
772 	struct acpi_table_header header;	/* Common ACPI table header */
773 	u32 id;			/* Hardware ID of event timer block */
774 	struct acpi_generic_address address;	/* Address of event timer block */
775 	u8 sequence;		/* HPET sequence number */
776 	u16 minimum_tick;	/* Main counter min tick, periodic mode */
777 	u8 flags;
778 };
779 
780 /*! Flags */
781 
782 #define ACPI_HPET_PAGE_PROTECT      (1)	/* 00: No page protection */
783 #define ACPI_HPET_PAGE_PROTECT_4    (1<<1)	/* 01: 4KB page protected */
784 #define ACPI_HPET_PAGE_PROTECT_64   (1<<2)	/* 02: 64KB page protected */
785 
786 /*! [End] no source code translation !*/
787 
788 /*******************************************************************************
789  *
790  * IBFT - Boot Firmware Table
791  *
792  ******************************************************************************/
793 
794 struct acpi_table_ibft {
795 	struct acpi_table_header header;	/* Common ACPI table header */
796 	u8 reserved[12];
797 };
798 
799 /* IBFT common subtable header */
800 
801 struct acpi_ibft_header {
802 	u8 type;
803 	u8 version;
804 	u16 length;
805 	u8 index;
806 	u8 flags;
807 };
808 
809 /* Values for Type field above */
810 
811 enum acpi_ibft_type {
812 	ACPI_IBFT_TYPE_NOT_USED = 0,
813 	ACPI_IBFT_TYPE_CONTROL = 1,
814 	ACPI_IBFT_TYPE_INITIATOR = 2,
815 	ACPI_IBFT_TYPE_NIC = 3,
816 	ACPI_IBFT_TYPE_TARGET = 4,
817 	ACPI_IBFT_TYPE_EXTENSIONS = 5,
818 	ACPI_IBFT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
819 };
820 
821 /* IBFT subtables */
822 
823 struct acpi_ibft_control {
824 	struct acpi_ibft_header header;
825 	u16 extensions;
826 	u16 initiator_offset;
827 	u16 nic0_offset;
828 	u16 target0_offset;
829 	u16 nic1_offset;
830 	u16 target1_offset;
831 };
832 
833 struct acpi_ibft_initiator {
834 	struct acpi_ibft_header header;
835 	u8 sns_server[16];
836 	u8 slp_server[16];
837 	u8 primary_server[16];
838 	u8 secondary_server[16];
839 	u16 name_length;
840 	u16 name_offset;
841 };
842 
843 struct acpi_ibft_nic {
844 	struct acpi_ibft_header header;
845 	u8 ip_address[16];
846 	u8 subnet_mask_prefix;
847 	u8 origin;
848 	u8 gateway[16];
849 	u8 primary_dns[16];
850 	u8 secondary_dns[16];
851 	u8 dhcp[16];
852 	u16 vlan;
853 	u8 mac_address[6];
854 	u16 pci_address;
855 	u16 name_length;
856 	u16 name_offset;
857 };
858 
859 struct acpi_ibft_target {
860 	struct acpi_ibft_header header;
861 	u8 target_ip_address[16];
862 	u16 target_ip_socket;
863 	u8 target_boot_lun[8];
864 	u8 chap_type;
865 	u8 nic_association;
866 	u16 target_name_length;
867 	u16 target_name_offset;
868 	u16 chap_name_length;
869 	u16 chap_name_offset;
870 	u16 chap_secret_length;
871 	u16 chap_secret_offset;
872 	u16 reverse_chap_name_length;
873 	u16 reverse_chap_name_offset;
874 	u16 reverse_chap_secret_length;
875 	u16 reverse_chap_secret_offset;
876 };
877 
878 /*******************************************************************************
879  *
880  * MADT - Multiple APIC Description Table
881  *
882  ******************************************************************************/
883 
884 struct acpi_table_madt {
885 	struct acpi_table_header header;	/* Common ACPI table header */
886 	u32 address;		/* Physical address of local APIC */
887 	u32 flags;
888 };
889 
890 /* Flags */
891 
892 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00:    System also has dual 8259s */
893 
894 /* Values for PCATCompat flag */
895 
896 #define ACPI_MADT_DUAL_PIC          0
897 #define ACPI_MADT_MULTIPLE_APIC     1
898 
899 /* Values for subtable type in struct acpi_subtable_header */
900 
901 enum acpi_madt_type {
902 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
903 	ACPI_MADT_TYPE_IO_APIC = 1,
904 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
905 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
906 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
907 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
908 	ACPI_MADT_TYPE_IO_SAPIC = 6,
909 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
910 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
911 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
912 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
913 	ACPI_MADT_TYPE_RESERVED = 11	/* 11 and greater are reserved */
914 };
915 
916 /*
917  * MADT Sub-tables, correspond to Type in struct acpi_subtable_header
918  */
919 
920 /* 0: Processor Local APIC */
921 
922 struct acpi_madt_local_apic {
923 	struct acpi_subtable_header header;
924 	u8 processor_id;	/* ACPI processor id */
925 	u8 id;			/* Processor's local APIC id */
926 	u32 lapic_flags;
927 };
928 
929 /* 1: IO APIC */
930 
931 struct acpi_madt_io_apic {
932 	struct acpi_subtable_header header;
933 	u8 id;			/* I/O APIC ID */
934 	u8 reserved;		/* Reserved - must be zero */
935 	u32 address;		/* APIC physical address */
936 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
937 };
938 
939 /* 2: Interrupt Override */
940 
941 struct acpi_madt_interrupt_override {
942 	struct acpi_subtable_header header;
943 	u8 bus;			/* 0 - ISA */
944 	u8 source_irq;		/* Interrupt source (IRQ) */
945 	u32 global_irq;		/* Global system interrupt */
946 	u16 inti_flags;
947 };
948 
949 /* 3: NMI Source */
950 
951 struct acpi_madt_nmi_source {
952 	struct acpi_subtable_header header;
953 	u16 inti_flags;
954 	u32 global_irq;		/* Global system interrupt */
955 };
956 
957 /* 4: Local APIC NMI */
958 
959 struct acpi_madt_local_apic_nmi {
960 	struct acpi_subtable_header header;
961 	u8 processor_id;	/* ACPI processor id */
962 	u16 inti_flags;
963 	u8 lint;		/* LINTn to which NMI is connected */
964 };
965 
966 /* 5: Address Override */
967 
968 struct acpi_madt_local_apic_override {
969 	struct acpi_subtable_header header;
970 	u16 reserved;		/* Reserved, must be zero */
971 	u64 address;		/* APIC physical address */
972 };
973 
974 /* 6: I/O Sapic */
975 
976 struct acpi_madt_io_sapic {
977 	struct acpi_subtable_header header;
978 	u8 id;			/* I/O SAPIC ID */
979 	u8 reserved;		/* Reserved, must be zero */
980 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
981 	u64 address;		/* SAPIC physical address */
982 };
983 
984 /* 7: Local Sapic */
985 
986 struct acpi_madt_local_sapic {
987 	struct acpi_subtable_header header;
988 	u8 processor_id;	/* ACPI processor id */
989 	u8 id;			/* SAPIC ID */
990 	u8 eid;			/* SAPIC EID */
991 	u8 reserved[3];		/* Reserved, must be zero */
992 	u32 lapic_flags;
993 	u32 uid;		/* Numeric UID - ACPI 3.0 */
994 	char uid_string[1];	/* String UID  - ACPI 3.0 */
995 };
996 
997 /* 8: Platform Interrupt Source */
998 
999 struct acpi_madt_interrupt_source {
1000 	struct acpi_subtable_header header;
1001 	u16 inti_flags;
1002 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
1003 	u8 id;			/* Processor ID */
1004 	u8 eid;			/* Processor EID */
1005 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
1006 	u32 global_irq;		/* Global system interrupt */
1007 	u32 flags;		/* Interrupt Source Flags */
1008 };
1009 
1010 /* Flags field above */
1011 
1012 #define ACPI_MADT_CPEI_OVERRIDE     (1)
1013 
1014 /* 9: Processor Local X2_APIC (07/2008) */
1015 
1016 struct acpi_madt_local_x2apic {
1017 	struct acpi_subtable_header header;
1018 	u16 reserved;		/* Reserved - must be zero */
1019 	u32 local_apic_id;	/* Processor X2_APIC ID  */
1020 	u32 lapic_flags;
1021 	u32 uid;		/* Extended X2_APIC processor ID */
1022 };
1023 
1024 /* 10: Local X2APIC NMI (07/2008) */
1025 
1026 struct acpi_madt_local_x2apic_nmi {
1027 	struct acpi_subtable_header header;
1028 	u16 inti_flags;
1029 	u32 uid;		/* Processor X2_APIC ID */
1030 	u8 lint;		/* LINTn to which NMI is connected */
1031 	u8 reserved[3];
1032 };
1033 
1034 /*
1035  * Common flags fields for MADT subtables
1036  */
1037 
1038 /* MADT Local APIC flags (lapic_flags) */
1039 
1040 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1041 
1042 /* MADT MPS INTI flags (inti_flags) */
1043 
1044 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1045 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1046 
1047 /* Values for MPS INTI flags */
1048 
1049 #define ACPI_MADT_POLARITY_CONFORMS       0
1050 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1051 #define ACPI_MADT_POLARITY_RESERVED       2
1052 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1053 
1054 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1055 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1056 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1057 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1058 
1059 /*******************************************************************************
1060  *
1061  * MCFG - PCI Memory Mapped Configuration table and sub-table
1062  *
1063  ******************************************************************************/
1064 
1065 struct acpi_table_mcfg {
1066 	struct acpi_table_header header;	/* Common ACPI table header */
1067 	u8 reserved[8];
1068 };
1069 
1070 /* Subtable */
1071 
1072 struct acpi_mcfg_allocation {
1073 	u64 address;		/* Base address, processor-relative */
1074 	u16 pci_segment;	/* PCI segment group number */
1075 	u8 start_bus_number;	/* Starting PCI Bus number */
1076 	u8 end_bus_number;	/* Final PCI Bus number */
1077 	u32 reserved;
1078 };
1079 
1080 /*******************************************************************************
1081  *
1082  * SBST - Smart Battery Specification Table
1083  *
1084  ******************************************************************************/
1085 
1086 struct acpi_table_sbst {
1087 	struct acpi_table_header header;	/* Common ACPI table header */
1088 	u32 warning_level;
1089 	u32 low_level;
1090 	u32 critical_level;
1091 };
1092 
1093 /*******************************************************************************
1094  *
1095  * SLIT - System Locality Distance Information Table
1096  *
1097  ******************************************************************************/
1098 
1099 struct acpi_table_slit {
1100 	struct acpi_table_header header;	/* Common ACPI table header */
1101 	u64 locality_count;
1102 	u8 entry[1];		/* Real size = localities^2 */
1103 };
1104 
1105 /*******************************************************************************
1106  *
1107  * SPCR - Serial Port Console Redirection table
1108  *
1109  ******************************************************************************/
1110 
1111 struct acpi_table_spcr {
1112 	struct acpi_table_header header;	/* Common ACPI table header */
1113 	u8 interface_type;	/* 0=full 16550, 1=subset of 16550 */
1114 	u8 reserved[3];
1115 	struct acpi_generic_address serial_port;
1116 	u8 interrupt_type;
1117 	u8 pc_interrupt;
1118 	u32 interrupt;
1119 	u8 baud_rate;
1120 	u8 parity;
1121 	u8 stop_bits;
1122 	u8 flow_control;
1123 	u8 terminal_type;
1124 	u8 reserved1;
1125 	u16 pci_device_id;
1126 	u16 pci_vendor_id;
1127 	u8 pci_bus;
1128 	u8 pci_device;
1129 	u8 pci_function;
1130 	u32 pci_flags;
1131 	u8 pci_segment;
1132 	u32 reserved2;
1133 };
1134 
1135 /*******************************************************************************
1136  *
1137  * SPMI - Server Platform Management Interface table
1138  *
1139  ******************************************************************************/
1140 
1141 struct acpi_table_spmi {
1142 	struct acpi_table_header header;	/* Common ACPI table header */
1143 	u8 reserved;
1144 	u8 interface_type;
1145 	u16 spec_revision;	/* Version of IPMI */
1146 	u8 interrupt_type;
1147 	u8 gpe_number;		/* GPE assigned */
1148 	u8 reserved1;
1149 	u8 pci_device_flag;
1150 	u32 interrupt;
1151 	struct acpi_generic_address ipmi_register;
1152 	u8 pci_segment;
1153 	u8 pci_bus;
1154 	u8 pci_device;
1155 	u8 pci_function;
1156 };
1157 
1158 /*******************************************************************************
1159  *
1160  * SRAT - System Resource Affinity Table
1161  *
1162  ******************************************************************************/
1163 
1164 struct acpi_table_srat {
1165 	struct acpi_table_header header;	/* Common ACPI table header */
1166 	u32 table_revision;	/* Must be value '1' */
1167 	u64 reserved;		/* Reserved, must be zero */
1168 };
1169 
1170 /* Values for subtable type in struct acpi_subtable_header */
1171 
1172 enum acpi_srat_type {
1173 	ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
1174 	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
1175 	ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
1176 	ACPI_SRAT_TYPE_RESERVED = 3	/* 3 and greater are reserved */
1177 };
1178 
1179 /*
1180  * SRAT Sub-tables, correspond to Type in struct acpi_subtable_header
1181  */
1182 
1183 /* 0: Processor Local APIC/SAPIC Affinity */
1184 
1185 struct acpi_srat_cpu_affinity {
1186 	struct acpi_subtable_header header;
1187 	u8 proximity_domain_lo;
1188 	u8 apic_id;
1189 	u32 flags;
1190 	u8 local_sapic_eid;
1191 	u8 proximity_domain_hi[3];
1192 	u32 reserved;		/* Reserved, must be zero */
1193 };
1194 
1195 /* 1: Memory Affinity */
1196 
1197 struct acpi_srat_mem_affinity {
1198 	struct acpi_subtable_header header;
1199 	u32 proximity_domain;
1200 	u16 reserved;		/* Reserved, must be zero */
1201 	u64 base_address;
1202 	u64 length;
1203        u32 reserved1;
1204 	u32 flags;
1205        u64 reserved2;	       /* Reserved, must be zero */
1206 };
1207 
1208 /* Flags */
1209 
1210 #define ACPI_SRAT_MEM_ENABLED       (1)	/* 00: Use affinity structure */
1211 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
1212 #define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */
1213 
1214 /* 2: Processor Local X2_APIC Affinity (07/2008) */
1215 
1216 struct acpi_srat_x2apic_cpu_affinity {
1217 	struct acpi_subtable_header header;
1218 	u16 reserved;		/* Reserved, must be zero */
1219 	u32 proximity_domain;
1220 	u32 apic_id;
1221 	u32 flags;
1222 };
1223 
1224 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
1225 
1226 #define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */
1227 
1228 /*******************************************************************************
1229  *
1230  * TCPA - Trusted Computing Platform Alliance table
1231  *
1232  ******************************************************************************/
1233 
1234 struct acpi_table_tcpa {
1235 	struct acpi_table_header header;	/* Common ACPI table header */
1236 	u16 reserved;
1237 	u32 max_log_length;	/* Maximum length for the event log area */
1238 	u64 log_address;	/* Address of the event log area */
1239 };
1240 
1241 /*******************************************************************************
1242  *
1243  * UEFI - UEFI Boot optimization Table
1244  *
1245  ******************************************************************************/
1246 
1247 struct acpi_table_uefi {
1248 	struct acpi_table_header header;	/* Common ACPI table header */
1249 	u8 identifier[16];	/* UUID identifier */
1250 	u16 data_offset;	/* Offset of remaining data in table */
1251 	u8 data;
1252 };
1253 
1254 /*******************************************************************************
1255  *
1256  * WDAT - Watchdog Action Table
1257  *
1258  ******************************************************************************/
1259 
1260 struct acpi_table_wdat {
1261 	struct acpi_table_header header;	/* Common ACPI table header */
1262 	u32 header_length;	/* Watchdog Header Length */
1263 	u16 pci_segment;	/* PCI Segment number */
1264 	u8 pci_bus;		/* PCI Bus number */
1265 	u8 pci_device;		/* PCI Device number */
1266 	u8 pci_function;	/* PCI Function number */
1267 	u8 reserved[3];
1268 	u32 timer_period;	/* Period of one timer count (msec) */
1269 	u32 max_count;		/* Maximum counter value supported */
1270 	u32 min_count;		/* Minimum counter value */
1271 	u8 flags;
1272 	u8 reserved2[3];
1273 	u32 entries;		/* Number of watchdog entries that follow */
1274 };
1275 
1276 /* WDAT Instruction Entries (actions) */
1277 
1278 struct acpi_wdat_entry {
1279 	struct acpi_whea_header whea_header;	/* Common header for WHEA tables */
1280 };
1281 
1282 /* Values for Action field above */
1283 
1284 enum acpi_wdat_actions {
1285 	ACPI_WDAT_RESET = 1,
1286 	ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
1287 	ACPI_WDAT_GET_COUNTDOWN = 5,
1288 	ACPI_WDAT_SET_COUNTDOWN = 6,
1289 	ACPI_WDAT_GET_RUNNING_STATE = 8,
1290 	ACPI_WDAT_SET_RUNNING_STATE = 9,
1291 	ACPI_WDAT_GET_STOPPED_STATE = 10,
1292 	ACPI_WDAT_SET_STOPPED_STATE = 11,
1293 	ACPI_WDAT_GET_REBOOT = 16,
1294 	ACPI_WDAT_SET_REBOOT = 17,
1295 	ACPI_WDAT_GET_SHUTDOWN = 18,
1296 	ACPI_WDAT_SET_SHUTDOWN = 19,
1297 	ACPI_WDAT_GET_STATUS = 32,
1298 	ACPI_WDAT_SET_STATUS = 33,
1299 	ACPI_WDAT_ACTION_RESERVED = 34	/* 34 and greater are reserved */
1300 };
1301 
1302 /* Values for Instruction field above */
1303 
1304 enum acpi_wdat_instructions {
1305 	ACPI_WDAT_READ_VALUE = 0,
1306 	ACPI_WDAT_READ_COUNTDOWN = 1,
1307 	ACPI_WDAT_WRITE_VALUE = 2,
1308 	ACPI_WDAT_WRITE_COUNTDOWN = 3,
1309 	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
1310 	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
1311 };
1312 
1313 /*******************************************************************************
1314  *
1315  * WDRT - Watchdog Resource Table
1316  *
1317  ******************************************************************************/
1318 
1319 struct acpi_table_wdrt {
1320 	struct acpi_table_header header;	/* Common ACPI table header */
1321 	u32 header_length;	/* Watchdog Header Length */
1322 	u8 pci_segment;		/* PCI Segment number */
1323 	u8 pci_bus;		/* PCI Bus number */
1324 	u8 pci_device;		/* PCI Device number */
1325 	u8 pci_function;	/* PCI Function number */
1326 	u32 timer_period;	/* Period of one timer count (msec) */
1327 	u32 max_count;		/* Maximum counter value supported */
1328 	u32 min_count;		/* Minimum counter value */
1329 	u8 flags;
1330 	u8 reserved[3];
1331 	u32 entries;		/* Number of watchdog entries that follow */
1332 };
1333 
1334 /* Flags */
1335 
1336 #define ACPI_WDRT_TIMER_ENABLED     (1)	/* 00: Timer enabled */
1337 
1338 /* Reset to default packing */
1339 
1340 #pragma pack()
1341 
1342 #endif				/* __ACTBL1_H__ */
1343