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1 /******************************************************************************
2 *
3 * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
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 __ACTBL2_H__
45 #define __ACTBL2_H__
46
47 /*******************************************************************************
48 *
49 * Additional ACPI Tables (2)
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 * Generally, the tables in this file are defined by third-party specifications,
55 * and are not defined directly by the ACPI specification itself.
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_ASF "ASF!" /* Alert Standard Format table */
65 #define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */
66 #define ACPI_SIG_CSRT "CSRT" /* Core System Resource Table */
67 #define ACPI_SIG_DBG2 "DBG2" /* Debug Port table type 2 */
68 #define ACPI_SIG_DBGP "DBGP" /* Debug Port table */
69 #define ACPI_SIG_DMAR "DMAR" /* DMA Remapping table */
70 #define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */
71 #define ACPI_SIG_IBFT "IBFT" /* iSCSI Boot Firmware Table */
72 #define ACPI_SIG_IORT "IORT" /* IO Remapping Table */
73 #define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */
74 #define ACPI_SIG_LPIT "LPIT" /* Low Power Idle Table */
75 #define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */
76 #define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */
77 #define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */
78 #define ACPI_SIG_MTMR "MTMR" /* MID Timer table */
79 #define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */
80 #define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
81 #define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
82 #define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */
83 #define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */
84 #define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */
85 #define ACPI_SIG_VRTC "VRTC" /* Virtual Real Time Clock Table */
86 #define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */
87 #define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */
88 #define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */
89 #define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */
90 #define ACPI_SIG_XXXX "XXXX" /* Intermediate AML header for ASL/ASL+ converter */
91
92 #ifdef ACPI_UNDEFINED_TABLES
93 /*
94 * These tables have been seen in the field, but no definition has been found
95 */
96 #define ACPI_SIG_ATKG "ATKG"
97 #define ACPI_SIG_GSCI "GSCI" /* GMCH SCI table */
98 #define ACPI_SIG_IEIT "IEIT"
99 #endif
100
101 /*
102 * All tables must be byte-packed to match the ACPI specification, since
103 * the tables are provided by the system BIOS.
104 */
105 #pragma pack(1)
106
107 /*
108 * Note: C bitfields are not used for this reason:
109 *
110 * "Bitfields are great and easy to read, but unfortunately the C language
111 * does not specify the layout of bitfields in memory, which means they are
112 * essentially useless for dealing with packed data in on-disk formats or
113 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
114 * this decision was a design error in C. Ritchie could have picked an order
115 * and stuck with it." Norman Ramsey.
116 * See http://stackoverflow.com/a/1053662/41661
117 */
118
119 /*******************************************************************************
120 *
121 * ASF - Alert Standard Format table (Signature "ASF!")
122 * Revision 0x10
123 *
124 * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
125 *
126 ******************************************************************************/
127
128 struct acpi_table_asf {
129 struct acpi_table_header header; /* Common ACPI table header */
130 };
131
132 /* ASF subtable header */
133
134 struct acpi_asf_header {
135 u8 type;
136 u8 reserved;
137 u16 length;
138 };
139
140 /* Values for Type field above */
141
142 enum acpi_asf_type {
143 ACPI_ASF_TYPE_INFO = 0,
144 ACPI_ASF_TYPE_ALERT = 1,
145 ACPI_ASF_TYPE_CONTROL = 2,
146 ACPI_ASF_TYPE_BOOT = 3,
147 ACPI_ASF_TYPE_ADDRESS = 4,
148 ACPI_ASF_TYPE_RESERVED = 5
149 };
150
151 /*
152 * ASF subtables
153 */
154
155 /* 0: ASF Information */
156
157 struct acpi_asf_info {
158 struct acpi_asf_header header;
159 u8 min_reset_value;
160 u8 min_poll_interval;
161 u16 system_id;
162 u32 mfg_id;
163 u8 flags;
164 u8 reserved2[3];
165 };
166
167 /* Masks for Flags field above */
168
169 #define ACPI_ASF_SMBUS_PROTOCOLS (1)
170
171 /* 1: ASF Alerts */
172
173 struct acpi_asf_alert {
174 struct acpi_asf_header header;
175 u8 assert_mask;
176 u8 deassert_mask;
177 u8 alerts;
178 u8 data_length;
179 };
180
181 struct acpi_asf_alert_data {
182 u8 address;
183 u8 command;
184 u8 mask;
185 u8 value;
186 u8 sensor_type;
187 u8 type;
188 u8 offset;
189 u8 source_type;
190 u8 severity;
191 u8 sensor_number;
192 u8 entity;
193 u8 instance;
194 };
195
196 /* 2: ASF Remote Control */
197
198 struct acpi_asf_remote {
199 struct acpi_asf_header header;
200 u8 controls;
201 u8 data_length;
202 u16 reserved2;
203 };
204
205 struct acpi_asf_control_data {
206 u8 function;
207 u8 address;
208 u8 command;
209 u8 value;
210 };
211
212 /* 3: ASF RMCP Boot Options */
213
214 struct acpi_asf_rmcp {
215 struct acpi_asf_header header;
216 u8 capabilities[7];
217 u8 completion_code;
218 u32 enterprise_id;
219 u8 command;
220 u16 parameter;
221 u16 boot_options;
222 u16 oem_parameters;
223 };
224
225 /* 4: ASF Address */
226
227 struct acpi_asf_address {
228 struct acpi_asf_header header;
229 u8 eprom_address;
230 u8 devices;
231 };
232
233 /*******************************************************************************
234 *
235 * BOOT - Simple Boot Flag Table
236 * Version 1
237 *
238 * Conforms to the "Simple Boot Flag Specification", Version 2.1
239 *
240 ******************************************************************************/
241
242 struct acpi_table_boot {
243 struct acpi_table_header header; /* Common ACPI table header */
244 u8 cmos_index; /* Index in CMOS RAM for the boot register */
245 u8 reserved[3];
246 };
247
248 /*******************************************************************************
249 *
250 * CSRT - Core System Resource Table
251 * Version 0
252 *
253 * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011
254 *
255 ******************************************************************************/
256
257 struct acpi_table_csrt {
258 struct acpi_table_header header; /* Common ACPI table header */
259 };
260
261 /* Resource Group subtable */
262
263 struct acpi_csrt_group {
264 u32 length;
265 u32 vendor_id;
266 u32 subvendor_id;
267 u16 device_id;
268 u16 subdevice_id;
269 u16 revision;
270 u16 reserved;
271 u32 shared_info_length;
272
273 /* Shared data immediately follows (Length = shared_info_length) */
274 };
275
276 /* Shared Info subtable */
277
278 struct acpi_csrt_shared_info {
279 u16 major_version;
280 u16 minor_version;
281 u32 mmio_base_low;
282 u32 mmio_base_high;
283 u32 gsi_interrupt;
284 u8 interrupt_polarity;
285 u8 interrupt_mode;
286 u8 num_channels;
287 u8 dma_address_width;
288 u16 base_request_line;
289 u16 num_handshake_signals;
290 u32 max_block_size;
291
292 /* Resource descriptors immediately follow (Length = Group length - shared_info_length) */
293 };
294
295 /* Resource Descriptor subtable */
296
297 struct acpi_csrt_descriptor {
298 u32 length;
299 u16 type;
300 u16 subtype;
301 u32 uid;
302
303 /* Resource-specific information immediately follows */
304 };
305
306 /* Resource Types */
307
308 #define ACPI_CSRT_TYPE_INTERRUPT 0x0001
309 #define ACPI_CSRT_TYPE_TIMER 0x0002
310 #define ACPI_CSRT_TYPE_DMA 0x0003
311
312 /* Resource Subtypes */
313
314 #define ACPI_CSRT_XRUPT_LINE 0x0000
315 #define ACPI_CSRT_XRUPT_CONTROLLER 0x0001
316 #define ACPI_CSRT_TIMER 0x0000
317 #define ACPI_CSRT_DMA_CHANNEL 0x0000
318 #define ACPI_CSRT_DMA_CONTROLLER 0x0001
319
320 /*******************************************************************************
321 *
322 * DBG2 - Debug Port Table 2
323 * Version 0 (Both main table and subtables)
324 *
325 * Conforms to "Microsoft Debug Port Table 2 (DBG2)", December 10, 2015
326 *
327 ******************************************************************************/
328
329 struct acpi_table_dbg2 {
330 struct acpi_table_header header; /* Common ACPI table header */
331 u32 info_offset;
332 u32 info_count;
333 };
334
335 struct acpi_dbg2_header {
336 u32 info_offset;
337 u32 info_count;
338 };
339
340 /* Debug Device Information Subtable */
341
342 struct acpi_dbg2_device {
343 u8 revision;
344 u16 length;
345 u8 register_count; /* Number of base_address registers */
346 u16 namepath_length;
347 u16 namepath_offset;
348 u16 oem_data_length;
349 u16 oem_data_offset;
350 u16 port_type;
351 u16 port_subtype;
352 u16 reserved;
353 u16 base_address_offset;
354 u16 address_size_offset;
355 /*
356 * Data that follows:
357 * base_address (required) - Each in 12-byte Generic Address Structure format.
358 * address_size (required) - Array of u32 sizes corresponding to each base_address register.
359 * Namepath (required) - Null terminated string. Single dot if not supported.
360 * oem_data (optional) - Length is oem_data_length.
361 */
362 };
363
364 /* Types for port_type field above */
365
366 #define ACPI_DBG2_SERIAL_PORT 0x8000
367 #define ACPI_DBG2_1394_PORT 0x8001
368 #define ACPI_DBG2_USB_PORT 0x8002
369 #define ACPI_DBG2_NET_PORT 0x8003
370
371 /* Subtypes for port_subtype field above */
372
373 #define ACPI_DBG2_16550_COMPATIBLE 0x0000
374 #define ACPI_DBG2_16550_SUBSET 0x0001
375 #define ACPI_DBG2_ARM_PL011 0x0003
376 #define ACPI_DBG2_ARM_SBSA_32BIT 0x000D
377 #define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E
378 #define ACPI_DBG2_ARM_DCC 0x000F
379 #define ACPI_DBG2_BCM2835 0x0010
380
381 #define ACPI_DBG2_1394_STANDARD 0x0000
382
383 #define ACPI_DBG2_USB_XHCI 0x0000
384 #define ACPI_DBG2_USB_EHCI 0x0001
385
386 /*******************************************************************************
387 *
388 * DBGP - Debug Port table
389 * Version 1
390 *
391 * Conforms to the "Debug Port Specification", Version 1.00, 2/9/2000
392 *
393 ******************************************************************************/
394
395 struct acpi_table_dbgp {
396 struct acpi_table_header header; /* Common ACPI table header */
397 u8 type; /* 0=full 16550, 1=subset of 16550 */
398 u8 reserved[3];
399 struct acpi_generic_address debug_port;
400 };
401
402 /*******************************************************************************
403 *
404 * DMAR - DMA Remapping table
405 * Version 1
406 *
407 * Conforms to "Intel Virtualization Technology for Directed I/O",
408 * Version 2.3, October 2014
409 *
410 ******************************************************************************/
411
412 struct acpi_table_dmar {
413 struct acpi_table_header header; /* Common ACPI table header */
414 u8 width; /* Host Address Width */
415 u8 flags;
416 u8 reserved[10];
417 };
418
419 /* Masks for Flags field above */
420
421 #define ACPI_DMAR_INTR_REMAP (1)
422 #define ACPI_DMAR_X2APIC_OPT_OUT (1<<1)
423 #define ACPI_DMAR_X2APIC_MODE (1<<2)
424
425 /* DMAR subtable header */
426
427 struct acpi_dmar_header {
428 u16 type;
429 u16 length;
430 };
431
432 /* Values for subtable type in struct acpi_dmar_header */
433
434 enum acpi_dmar_type {
435 ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
436 ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
437 ACPI_DMAR_TYPE_ROOT_ATS = 2,
438 ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,
439 ACPI_DMAR_TYPE_NAMESPACE = 4,
440 ACPI_DMAR_TYPE_RESERVED = 5 /* 5 and greater are reserved */
441 };
442
443 /* DMAR Device Scope structure */
444
445 struct acpi_dmar_device_scope {
446 u8 entry_type;
447 u8 length;
448 u16 reserved;
449 u8 enumeration_id;
450 u8 bus;
451 };
452
453 /* Values for entry_type in struct acpi_dmar_device_scope - device types */
454
455 enum acpi_dmar_scope_type {
456 ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
457 ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
458 ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
459 ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3,
460 ACPI_DMAR_SCOPE_TYPE_HPET = 4,
461 ACPI_DMAR_SCOPE_TYPE_NAMESPACE = 5,
462 ACPI_DMAR_SCOPE_TYPE_RESERVED = 6 /* 6 and greater are reserved */
463 };
464
465 struct acpi_dmar_pci_path {
466 u8 device;
467 u8 function;
468 };
469
470 /*
471 * DMAR Subtables, correspond to Type in struct acpi_dmar_header
472 */
473
474 /* 0: Hardware Unit Definition */
475
476 struct acpi_dmar_hardware_unit {
477 struct acpi_dmar_header header;
478 u8 flags;
479 u8 reserved;
480 u16 segment;
481 u64 address; /* Register Base Address */
482 };
483
484 /* Masks for Flags field above */
485
486 #define ACPI_DMAR_INCLUDE_ALL (1)
487
488 /* 1: Reserved Memory Defininition */
489
490 struct acpi_dmar_reserved_memory {
491 struct acpi_dmar_header header;
492 u16 reserved;
493 u16 segment;
494 u64 base_address; /* 4K aligned base address */
495 u64 end_address; /* 4K aligned limit address */
496 };
497
498 /* Masks for Flags field above */
499
500 #define ACPI_DMAR_ALLOW_ALL (1)
501
502 /* 2: Root Port ATS Capability Reporting Structure */
503
504 struct acpi_dmar_atsr {
505 struct acpi_dmar_header header;
506 u8 flags;
507 u8 reserved;
508 u16 segment;
509 };
510
511 /* Masks for Flags field above */
512
513 #define ACPI_DMAR_ALL_PORTS (1)
514
515 /* 3: Remapping Hardware Static Affinity Structure */
516
517 struct acpi_dmar_rhsa {
518 struct acpi_dmar_header header;
519 u32 reserved;
520 u64 base_address;
521 u32 proximity_domain;
522 };
523
524 /* 4: ACPI Namespace Device Declaration Structure */
525
526 struct acpi_dmar_andd {
527 struct acpi_dmar_header header;
528 u8 reserved[3];
529 u8 device_number;
530 char device_name[1];
531 };
532
533 /*******************************************************************************
534 *
535 * HPET - High Precision Event Timer table
536 * Version 1
537 *
538 * Conforms to "IA-PC HPET (High Precision Event Timers) Specification",
539 * Version 1.0a, October 2004
540 *
541 ******************************************************************************/
542
543 struct acpi_table_hpet {
544 struct acpi_table_header header; /* Common ACPI table header */
545 u32 id; /* Hardware ID of event timer block */
546 struct acpi_generic_address address; /* Address of event timer block */
547 u8 sequence; /* HPET sequence number */
548 u16 minimum_tick; /* Main counter min tick, periodic mode */
549 u8 flags;
550 };
551
552 /* Masks for Flags field above */
553
554 #define ACPI_HPET_PAGE_PROTECT_MASK (3)
555
556 /* Values for Page Protect flags */
557
558 enum acpi_hpet_page_protect {
559 ACPI_HPET_NO_PAGE_PROTECT = 0,
560 ACPI_HPET_PAGE_PROTECT4 = 1,
561 ACPI_HPET_PAGE_PROTECT64 = 2
562 };
563
564 /*******************************************************************************
565 *
566 * IBFT - Boot Firmware Table
567 * Version 1
568 *
569 * Conforms to "iSCSI Boot Firmware Table (iBFT) as Defined in ACPI 3.0b
570 * Specification", Version 1.01, March 1, 2007
571 *
572 * Note: It appears that this table is not intended to appear in the RSDT/XSDT.
573 * Therefore, it is not currently supported by the disassembler.
574 *
575 ******************************************************************************/
576
577 struct acpi_table_ibft {
578 struct acpi_table_header header; /* Common ACPI table header */
579 u8 reserved[12];
580 };
581
582 /* IBFT common subtable header */
583
584 struct acpi_ibft_header {
585 u8 type;
586 u8 version;
587 u16 length;
588 u8 index;
589 u8 flags;
590 };
591
592 /* Values for Type field above */
593
594 enum acpi_ibft_type {
595 ACPI_IBFT_TYPE_NOT_USED = 0,
596 ACPI_IBFT_TYPE_CONTROL = 1,
597 ACPI_IBFT_TYPE_INITIATOR = 2,
598 ACPI_IBFT_TYPE_NIC = 3,
599 ACPI_IBFT_TYPE_TARGET = 4,
600 ACPI_IBFT_TYPE_EXTENSIONS = 5,
601 ACPI_IBFT_TYPE_RESERVED = 6 /* 6 and greater are reserved */
602 };
603
604 /* IBFT subtables */
605
606 struct acpi_ibft_control {
607 struct acpi_ibft_header header;
608 u16 extensions;
609 u16 initiator_offset;
610 u16 nic0_offset;
611 u16 target0_offset;
612 u16 nic1_offset;
613 u16 target1_offset;
614 };
615
616 struct acpi_ibft_initiator {
617 struct acpi_ibft_header header;
618 u8 sns_server[16];
619 u8 slp_server[16];
620 u8 primary_server[16];
621 u8 secondary_server[16];
622 u16 name_length;
623 u16 name_offset;
624 };
625
626 struct acpi_ibft_nic {
627 struct acpi_ibft_header header;
628 u8 ip_address[16];
629 u8 subnet_mask_prefix;
630 u8 origin;
631 u8 gateway[16];
632 u8 primary_dns[16];
633 u8 secondary_dns[16];
634 u8 dhcp[16];
635 u16 vlan;
636 u8 mac_address[6];
637 u16 pci_address;
638 u16 name_length;
639 u16 name_offset;
640 };
641
642 struct acpi_ibft_target {
643 struct acpi_ibft_header header;
644 u8 target_ip_address[16];
645 u16 target_ip_socket;
646 u8 target_boot_lun[8];
647 u8 chap_type;
648 u8 nic_association;
649 u16 target_name_length;
650 u16 target_name_offset;
651 u16 chap_name_length;
652 u16 chap_name_offset;
653 u16 chap_secret_length;
654 u16 chap_secret_offset;
655 u16 reverse_chap_name_length;
656 u16 reverse_chap_name_offset;
657 u16 reverse_chap_secret_length;
658 u16 reverse_chap_secret_offset;
659 };
660
661 /*******************************************************************************
662 *
663 * IORT - IO Remapping Table
664 *
665 * Conforms to "IO Remapping Table System Software on ARM Platforms",
666 * Document number: ARM DEN 0049B, October 2015
667 *
668 ******************************************************************************/
669
670 struct acpi_table_iort {
671 struct acpi_table_header header;
672 u32 node_count;
673 u32 node_offset;
674 u32 reserved;
675 };
676
677 /*
678 * IORT subtables
679 */
680 struct acpi_iort_node {
681 u8 type;
682 u16 length;
683 u8 revision;
684 u32 reserved;
685 u32 mapping_count;
686 u32 mapping_offset;
687 char node_data[1];
688 };
689
690 /* Values for subtable Type above */
691
692 enum acpi_iort_node_type {
693 ACPI_IORT_NODE_ITS_GROUP = 0x00,
694 ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
695 ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
696 ACPI_IORT_NODE_SMMU = 0x03,
697 ACPI_IORT_NODE_SMMU_V3 = 0x04
698 };
699
700 struct acpi_iort_id_mapping {
701 u32 input_base; /* Lowest value in input range */
702 u32 id_count; /* Number of IDs */
703 u32 output_base; /* Lowest value in output range */
704 u32 output_reference; /* A reference to the output node */
705 u32 flags;
706 };
707
708 /* Masks for Flags field above for IORT subtable */
709
710 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
711
712 struct acpi_iort_memory_access {
713 u32 cache_coherency;
714 u8 hints;
715 u16 reserved;
716 u8 memory_flags;
717 };
718
719 /* Values for cache_coherency field above */
720
721 #define ACPI_IORT_NODE_COHERENT 0x00000001 /* The device node is fully coherent */
722 #define ACPI_IORT_NODE_NOT_COHERENT 0x00000000 /* The device node is not coherent */
723
724 /* Masks for Hints field above */
725
726 #define ACPI_IORT_HT_TRANSIENT (1)
727 #define ACPI_IORT_HT_WRITE (1<<1)
728 #define ACPI_IORT_HT_READ (1<<2)
729 #define ACPI_IORT_HT_OVERRIDE (1<<3)
730
731 /* Masks for memory_flags field above */
732
733 #define ACPI_IORT_MF_COHERENCY (1)
734 #define ACPI_IORT_MF_ATTRIBUTES (1<<1)
735
736 /*
737 * IORT node specific subtables
738 */
739 struct acpi_iort_its_group {
740 u32 its_count;
741 u32 identifiers[1]; /* GIC ITS identifier arrary */
742 };
743
744 struct acpi_iort_named_component {
745 u32 node_flags;
746 u64 memory_properties; /* Memory access properties */
747 u8 memory_address_limit; /* Memory address size limit */
748 char device_name[1]; /* Path of namespace object */
749 };
750
751 struct acpi_iort_root_complex {
752 u64 memory_properties; /* Memory access properties */
753 u32 ats_attribute;
754 u32 pci_segment_number;
755 };
756
757 /* Values for ats_attribute field above */
758
759 #define ACPI_IORT_ATS_SUPPORTED 0x00000001 /* The root complex supports ATS */
760 #define ACPI_IORT_ATS_UNSUPPORTED 0x00000000 /* The root complex doesn't support ATS */
761
762 struct acpi_iort_smmu {
763 u64 base_address; /* SMMU base address */
764 u64 span; /* Length of memory range */
765 u32 model;
766 u32 flags;
767 u32 global_interrupt_offset;
768 u32 context_interrupt_count;
769 u32 context_interrupt_offset;
770 u32 pmu_interrupt_count;
771 u32 pmu_interrupt_offset;
772 u64 interrupts[1]; /* Interrupt array */
773 };
774
775 /* Values for Model field above */
776
777 #define ACPI_IORT_SMMU_V1 0x00000000 /* Generic SMMUv1 */
778 #define ACPI_IORT_SMMU_V2 0x00000001 /* Generic SMMUv2 */
779 #define ACPI_IORT_SMMU_CORELINK_MMU400 0x00000002 /* ARM Corelink MMU-400 */
780 #define ACPI_IORT_SMMU_CORELINK_MMU500 0x00000003 /* ARM Corelink MMU-500 */
781
782 /* Masks for Flags field above */
783
784 #define ACPI_IORT_SMMU_DVM_SUPPORTED (1)
785 #define ACPI_IORT_SMMU_COHERENT_WALK (1<<1)
786
787 /* Global interrupt format */
788
789 struct acpi_iort_smmu_gsi {
790 u32 nsg_irpt;
791 u32 nsg_irpt_flags;
792 u32 nsg_cfg_irpt;
793 u32 nsg_cfg_irpt_flags;
794 };
795
796 struct acpi_iort_smmu_v3 {
797 u64 base_address; /* SMMUv3 base address */
798 u32 flags;
799 u32 reserved;
800 u64 vatos_address;
801 u32 model; /* O: generic SMMUv3 */
802 u32 event_gsiv;
803 u32 pri_gsiv;
804 u32 gerr_gsiv;
805 u32 sync_gsiv;
806 };
807
808 /* Masks for Flags field above */
809
810 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1)
811 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1)
812
813 /*******************************************************************************
814 *
815 * IVRS - I/O Virtualization Reporting Structure
816 * Version 1
817 *
818 * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
819 * Revision 1.26, February 2009.
820 *
821 ******************************************************************************/
822
823 struct acpi_table_ivrs {
824 struct acpi_table_header header; /* Common ACPI table header */
825 u32 info; /* Common virtualization info */
826 u64 reserved;
827 };
828
829 /* Values for Info field above */
830
831 #define ACPI_IVRS_PHYSICAL_SIZE 0x00007F00 /* 7 bits, physical address size */
832 #define ACPI_IVRS_VIRTUAL_SIZE 0x003F8000 /* 7 bits, virtual address size */
833 #define ACPI_IVRS_ATS_RESERVED 0x00400000 /* ATS address translation range reserved */
834
835 /* IVRS subtable header */
836
837 struct acpi_ivrs_header {
838 u8 type; /* Subtable type */
839 u8 flags;
840 u16 length; /* Subtable length */
841 u16 device_id; /* ID of IOMMU */
842 };
843
844 /* Values for subtable Type above */
845
846 enum acpi_ivrs_type {
847 ACPI_IVRS_TYPE_HARDWARE = 0x10,
848 ACPI_IVRS_TYPE_MEMORY1 = 0x20,
849 ACPI_IVRS_TYPE_MEMORY2 = 0x21,
850 ACPI_IVRS_TYPE_MEMORY3 = 0x22
851 };
852
853 /* Masks for Flags field above for IVHD subtable */
854
855 #define ACPI_IVHD_TT_ENABLE (1)
856 #define ACPI_IVHD_PASS_PW (1<<1)
857 #define ACPI_IVHD_RES_PASS_PW (1<<2)
858 #define ACPI_IVHD_ISOC (1<<3)
859 #define ACPI_IVHD_IOTLB (1<<4)
860
861 /* Masks for Flags field above for IVMD subtable */
862
863 #define ACPI_IVMD_UNITY (1)
864 #define ACPI_IVMD_READ (1<<1)
865 #define ACPI_IVMD_WRITE (1<<2)
866 #define ACPI_IVMD_EXCLUSION_RANGE (1<<3)
867
868 /*
869 * IVRS subtables, correspond to Type in struct acpi_ivrs_header
870 */
871
872 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
873
874 struct acpi_ivrs_hardware {
875 struct acpi_ivrs_header header;
876 u16 capability_offset; /* Offset for IOMMU control fields */
877 u64 base_address; /* IOMMU control registers */
878 u16 pci_segment_group;
879 u16 info; /* MSI number and unit ID */
880 u32 reserved;
881 };
882
883 /* Masks for Info field above */
884
885 #define ACPI_IVHD_MSI_NUMBER_MASK 0x001F /* 5 bits, MSI message number */
886 #define ACPI_IVHD_UNIT_ID_MASK 0x1F00 /* 5 bits, unit_ID */
887
888 /*
889 * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
890 * Upper two bits of the Type field are the (encoded) length of the structure.
891 * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
892 * are reserved for future use but not defined.
893 */
894 struct acpi_ivrs_de_header {
895 u8 type;
896 u16 id;
897 u8 data_setting;
898 };
899
900 /* Length of device entry is in the top two bits of Type field above */
901
902 #define ACPI_IVHD_ENTRY_LENGTH 0xC0
903
904 /* Values for device entry Type field above */
905
906 enum acpi_ivrs_device_entry_type {
907 /* 4-byte device entries, all use struct acpi_ivrs_device4 */
908
909 ACPI_IVRS_TYPE_PAD4 = 0,
910 ACPI_IVRS_TYPE_ALL = 1,
911 ACPI_IVRS_TYPE_SELECT = 2,
912 ACPI_IVRS_TYPE_START = 3,
913 ACPI_IVRS_TYPE_END = 4,
914
915 /* 8-byte device entries */
916
917 ACPI_IVRS_TYPE_PAD8 = 64,
918 ACPI_IVRS_TYPE_NOT_USED = 65,
919 ACPI_IVRS_TYPE_ALIAS_SELECT = 66, /* Uses struct acpi_ivrs_device8a */
920 ACPI_IVRS_TYPE_ALIAS_START = 67, /* Uses struct acpi_ivrs_device8a */
921 ACPI_IVRS_TYPE_EXT_SELECT = 70, /* Uses struct acpi_ivrs_device8b */
922 ACPI_IVRS_TYPE_EXT_START = 71, /* Uses struct acpi_ivrs_device8b */
923 ACPI_IVRS_TYPE_SPECIAL = 72 /* Uses struct acpi_ivrs_device8c */
924 };
925
926 /* Values for Data field above */
927
928 #define ACPI_IVHD_INIT_PASS (1)
929 #define ACPI_IVHD_EINT_PASS (1<<1)
930 #define ACPI_IVHD_NMI_PASS (1<<2)
931 #define ACPI_IVHD_SYSTEM_MGMT (3<<4)
932 #define ACPI_IVHD_LINT0_PASS (1<<6)
933 #define ACPI_IVHD_LINT1_PASS (1<<7)
934
935 /* Types 0-4: 4-byte device entry */
936
937 struct acpi_ivrs_device4 {
938 struct acpi_ivrs_de_header header;
939 };
940
941 /* Types 66-67: 8-byte device entry */
942
943 struct acpi_ivrs_device8a {
944 struct acpi_ivrs_de_header header;
945 u8 reserved1;
946 u16 used_id;
947 u8 reserved2;
948 };
949
950 /* Types 70-71: 8-byte device entry */
951
952 struct acpi_ivrs_device8b {
953 struct acpi_ivrs_de_header header;
954 u32 extended_data;
955 };
956
957 /* Values for extended_data above */
958
959 #define ACPI_IVHD_ATS_DISABLED (1<<31)
960
961 /* Type 72: 8-byte device entry */
962
963 struct acpi_ivrs_device8c {
964 struct acpi_ivrs_de_header header;
965 u8 handle;
966 u16 used_id;
967 u8 variety;
968 };
969
970 /* Values for Variety field above */
971
972 #define ACPI_IVHD_IOAPIC 1
973 #define ACPI_IVHD_HPET 2
974
975 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
976
977 struct acpi_ivrs_memory {
978 struct acpi_ivrs_header header;
979 u16 aux_data;
980 u64 reserved;
981 u64 start_address;
982 u64 memory_length;
983 };
984
985 /*******************************************************************************
986 *
987 * LPIT - Low Power Idle Table
988 *
989 * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
990 *
991 ******************************************************************************/
992
993 struct acpi_table_lpit {
994 struct acpi_table_header header; /* Common ACPI table header */
995 };
996
997 /* LPIT subtable header */
998
999 struct acpi_lpit_header {
1000 u32 type; /* Subtable type */
1001 u32 length; /* Subtable length */
1002 u16 unique_id;
1003 u16 reserved;
1004 u32 flags;
1005 };
1006
1007 /* Values for subtable Type above */
1008
1009 enum acpi_lpit_type {
1010 ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
1011 ACPI_LPIT_TYPE_RESERVED = 0x01 /* 1 and above are reserved */
1012 };
1013
1014 /* Masks for Flags field above */
1015
1016 #define ACPI_LPIT_STATE_DISABLED (1)
1017 #define ACPI_LPIT_NO_COUNTER (1<<1)
1018
1019 /*
1020 * LPIT subtables, correspond to Type in struct acpi_lpit_header
1021 */
1022
1023 /* 0x00: Native C-state instruction based LPI structure */
1024
1025 struct acpi_lpit_native {
1026 struct acpi_lpit_header header;
1027 struct acpi_generic_address entry_trigger;
1028 u32 residency;
1029 u32 latency;
1030 struct acpi_generic_address residency_counter;
1031 u64 counter_frequency;
1032 };
1033
1034 /*******************************************************************************
1035 *
1036 * MCFG - PCI Memory Mapped Configuration table and subtable
1037 * Version 1
1038 *
1039 * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1040 *
1041 ******************************************************************************/
1042
1043 struct acpi_table_mcfg {
1044 struct acpi_table_header header; /* Common ACPI table header */
1045 u8 reserved[8];
1046 };
1047
1048 /* Subtable */
1049
1050 struct acpi_mcfg_allocation {
1051 u64 address; /* Base address, processor-relative */
1052 u16 pci_segment; /* PCI segment group number */
1053 u8 start_bus_number; /* Starting PCI Bus number */
1054 u8 end_bus_number; /* Final PCI Bus number */
1055 u32 reserved;
1056 };
1057
1058 /*******************************************************************************
1059 *
1060 * MCHI - Management Controller Host Interface Table
1061 * Version 1
1062 *
1063 * Conforms to "Management Component Transport Protocol (MCTP) Host
1064 * Interface Specification", Revision 1.0.0a, October 13, 2009
1065 *
1066 ******************************************************************************/
1067
1068 struct acpi_table_mchi {
1069 struct acpi_table_header header; /* Common ACPI table header */
1070 u8 interface_type;
1071 u8 protocol;
1072 u64 protocol_data;
1073 u8 interrupt_type;
1074 u8 gpe;
1075 u8 pci_device_flag;
1076 u32 global_interrupt;
1077 struct acpi_generic_address control_register;
1078 u8 pci_segment;
1079 u8 pci_bus;
1080 u8 pci_device;
1081 u8 pci_function;
1082 };
1083
1084 /*******************************************************************************
1085 *
1086 * MSDM - Microsoft Data Management table
1087 *
1088 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1089 * November 29, 2011. Copyright 2011 Microsoft
1090 *
1091 ******************************************************************************/
1092
1093 /* Basic MSDM table is only the common ACPI header */
1094
1095 struct acpi_table_msdm {
1096 struct acpi_table_header header; /* Common ACPI table header */
1097 };
1098
1099 /*******************************************************************************
1100 *
1101 * MTMR - MID Timer Table
1102 * Version 1
1103 *
1104 * Conforms to "Simple Firmware Interface Specification",
1105 * Draft 0.8.2, Oct 19, 2010
1106 * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
1107 *
1108 ******************************************************************************/
1109
1110 struct acpi_table_mtmr {
1111 struct acpi_table_header header; /* Common ACPI table header */
1112 };
1113
1114 /* MTMR entry */
1115
1116 struct acpi_mtmr_entry {
1117 struct acpi_generic_address physical_address;
1118 u32 frequency;
1119 u32 irq;
1120 };
1121
1122 /*******************************************************************************
1123 *
1124 * SLIC - Software Licensing Description Table
1125 *
1126 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1127 * November 29, 2011. Copyright 2011 Microsoft
1128 *
1129 ******************************************************************************/
1130
1131 /* Basic SLIC table is only the common ACPI header */
1132
1133 struct acpi_table_slic {
1134 struct acpi_table_header header; /* Common ACPI table header */
1135 };
1136
1137 /*******************************************************************************
1138 *
1139 * SPCR - Serial Port Console Redirection table
1140 * Version 2
1141 *
1142 * Conforms to "Serial Port Console Redirection Table",
1143 * Version 1.03, August 10, 2015
1144 *
1145 ******************************************************************************/
1146
1147 struct acpi_table_spcr {
1148 struct acpi_table_header header; /* Common ACPI table header */
1149 u8 interface_type; /* 0=full 16550, 1=subset of 16550 */
1150 u8 reserved[3];
1151 struct acpi_generic_address serial_port;
1152 u8 interrupt_type;
1153 u8 pc_interrupt;
1154 u32 interrupt;
1155 u8 baud_rate;
1156 u8 parity;
1157 u8 stop_bits;
1158 u8 flow_control;
1159 u8 terminal_type;
1160 u8 reserved1;
1161 u16 pci_device_id;
1162 u16 pci_vendor_id;
1163 u8 pci_bus;
1164 u8 pci_device;
1165 u8 pci_function;
1166 u32 pci_flags;
1167 u8 pci_segment;
1168 u32 reserved2;
1169 };
1170
1171 /* Masks for pci_flags field above */
1172
1173 #define ACPI_SPCR_DO_NOT_DISABLE (1)
1174
1175 /* Values for Interface Type: See the definition of the DBG2 table */
1176
1177 /*******************************************************************************
1178 *
1179 * SPMI - Server Platform Management Interface table
1180 * Version 5
1181 *
1182 * Conforms to "Intelligent Platform Management Interface Specification
1183 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
1184 * June 12, 2009 markup.
1185 *
1186 ******************************************************************************/
1187
1188 struct acpi_table_spmi {
1189 struct acpi_table_header header; /* Common ACPI table header */
1190 u8 interface_type;
1191 u8 reserved; /* Must be 1 */
1192 u16 spec_revision; /* Version of IPMI */
1193 u8 interrupt_type;
1194 u8 gpe_number; /* GPE assigned */
1195 u8 reserved1;
1196 u8 pci_device_flag;
1197 u32 interrupt;
1198 struct acpi_generic_address ipmi_register;
1199 u8 pci_segment;
1200 u8 pci_bus;
1201 u8 pci_device;
1202 u8 pci_function;
1203 u8 reserved2;
1204 };
1205
1206 /* Values for interface_type above */
1207
1208 enum acpi_spmi_interface_types {
1209 ACPI_SPMI_NOT_USED = 0,
1210 ACPI_SPMI_KEYBOARD = 1,
1211 ACPI_SPMI_SMI = 2,
1212 ACPI_SPMI_BLOCK_TRANSFER = 3,
1213 ACPI_SPMI_SMBUS = 4,
1214 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */
1215 };
1216
1217 /*******************************************************************************
1218 *
1219 * TCPA - Trusted Computing Platform Alliance table
1220 * Version 2
1221 *
1222 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1223 * December 19, 2014
1224 *
1225 * NOTE: There are two versions of the table with the same signature --
1226 * the client version and the server version. The common platform_class
1227 * field is used to differentiate the two types of tables.
1228 *
1229 ******************************************************************************/
1230
1231 struct acpi_table_tcpa_hdr {
1232 struct acpi_table_header header; /* Common ACPI table header */
1233 u16 platform_class;
1234 };
1235
1236 /*
1237 * Values for platform_class above.
1238 * This is how the client and server subtables are differentiated
1239 */
1240 #define ACPI_TCPA_CLIENT_TABLE 0
1241 #define ACPI_TCPA_SERVER_TABLE 1
1242
1243 struct acpi_table_tcpa_client {
1244 u32 minimum_log_length; /* Minimum length for the event log area */
1245 u64 log_address; /* Address of the event log area */
1246 };
1247
1248 struct acpi_table_tcpa_server {
1249 u16 reserved;
1250 u64 minimum_log_length; /* Minimum length for the event log area */
1251 u64 log_address; /* Address of the event log area */
1252 u16 spec_revision;
1253 u8 device_flags;
1254 u8 interrupt_flags;
1255 u8 gpe_number;
1256 u8 reserved2[3];
1257 u32 global_interrupt;
1258 struct acpi_generic_address address;
1259 u32 reserved3;
1260 struct acpi_generic_address config_address;
1261 u8 group;
1262 u8 bus; /* PCI Bus/Segment/Function numbers */
1263 u8 device;
1264 u8 function;
1265 };
1266
1267 /* Values for device_flags above */
1268
1269 #define ACPI_TCPA_PCI_DEVICE (1)
1270 #define ACPI_TCPA_BUS_PNP (1<<1)
1271 #define ACPI_TCPA_ADDRESS_VALID (1<<2)
1272
1273 /* Values for interrupt_flags above */
1274
1275 #define ACPI_TCPA_INTERRUPT_MODE (1)
1276 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
1277 #define ACPI_TCPA_SCI_VIA_GPE (1<<2)
1278 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
1279
1280 /*******************************************************************************
1281 *
1282 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
1283 * Version 4
1284 *
1285 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1286 * December 19, 2014
1287 *
1288 ******************************************************************************/
1289
1290 struct acpi_table_tpm2 {
1291 struct acpi_table_header header; /* Common ACPI table header */
1292 u16 platform_class;
1293 u16 reserved;
1294 u64 control_address;
1295 u32 start_method;
1296
1297 /* Platform-specific data follows */
1298 };
1299
1300 /* Values for start_method above */
1301
1302 #define ACPI_TPM2_NOT_ALLOWED 0
1303 #define ACPI_TPM2_START_METHOD 2
1304 #define ACPI_TPM2_MEMORY_MAPPED 6
1305 #define ACPI_TPM2_COMMAND_BUFFER 7
1306 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
1307 #define ACPI_TPM2_COMMAND_BUFFER_WITH_SMC 11
1308
1309 /*******************************************************************************
1310 *
1311 * UEFI - UEFI Boot optimization Table
1312 * Version 1
1313 *
1314 * Conforms to "Unified Extensible Firmware Interface Specification",
1315 * Version 2.3, May 8, 2009
1316 *
1317 ******************************************************************************/
1318
1319 struct acpi_table_uefi {
1320 struct acpi_table_header header; /* Common ACPI table header */
1321 u8 identifier[16]; /* UUID identifier */
1322 u16 data_offset; /* Offset of remaining data in table */
1323 };
1324
1325 /*******************************************************************************
1326 *
1327 * VRTC - Virtual Real Time Clock Table
1328 * Version 1
1329 *
1330 * Conforms to "Simple Firmware Interface Specification",
1331 * Draft 0.8.2, Oct 19, 2010
1332 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
1333 *
1334 ******************************************************************************/
1335
1336 struct acpi_table_vrtc {
1337 struct acpi_table_header header; /* Common ACPI table header */
1338 };
1339
1340 /* VRTC entry */
1341
1342 struct acpi_vrtc_entry {
1343 struct acpi_generic_address physical_address;
1344 u32 irq;
1345 };
1346
1347 /*******************************************************************************
1348 *
1349 * WAET - Windows ACPI Emulated devices Table
1350 * Version 1
1351 *
1352 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
1353 *
1354 ******************************************************************************/
1355
1356 struct acpi_table_waet {
1357 struct acpi_table_header header; /* Common ACPI table header */
1358 u32 flags;
1359 };
1360
1361 /* Masks for Flags field above */
1362
1363 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
1364 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
1365
1366 /*******************************************************************************
1367 *
1368 * WDAT - Watchdog Action Table
1369 * Version 1
1370 *
1371 * Conforms to "Hardware Watchdog Timers Design Specification",
1372 * Copyright 2006 Microsoft Corporation.
1373 *
1374 ******************************************************************************/
1375
1376 struct acpi_table_wdat {
1377 struct acpi_table_header header; /* Common ACPI table header */
1378 u32 header_length; /* Watchdog Header Length */
1379 u16 pci_segment; /* PCI Segment number */
1380 u8 pci_bus; /* PCI Bus number */
1381 u8 pci_device; /* PCI Device number */
1382 u8 pci_function; /* PCI Function number */
1383 u8 reserved[3];
1384 u32 timer_period; /* Period of one timer count (msec) */
1385 u32 max_count; /* Maximum counter value supported */
1386 u32 min_count; /* Minimum counter value */
1387 u8 flags;
1388 u8 reserved2[3];
1389 u32 entries; /* Number of watchdog entries that follow */
1390 };
1391
1392 /* Masks for Flags field above */
1393
1394 #define ACPI_WDAT_ENABLED (1)
1395 #define ACPI_WDAT_STOPPED 0x80
1396
1397 /* WDAT Instruction Entries (actions) */
1398
1399 struct acpi_wdat_entry {
1400 u8 action;
1401 u8 instruction;
1402 u16 reserved;
1403 struct acpi_generic_address register_region;
1404 u32 value; /* Value used with Read/Write register */
1405 u32 mask; /* Bitmask required for this register instruction */
1406 };
1407
1408 /* Values for Action field above */
1409
1410 enum acpi_wdat_actions {
1411 ACPI_WDAT_RESET = 1,
1412 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
1413 ACPI_WDAT_GET_COUNTDOWN = 5,
1414 ACPI_WDAT_SET_COUNTDOWN = 6,
1415 ACPI_WDAT_GET_RUNNING_STATE = 8,
1416 ACPI_WDAT_SET_RUNNING_STATE = 9,
1417 ACPI_WDAT_GET_STOPPED_STATE = 10,
1418 ACPI_WDAT_SET_STOPPED_STATE = 11,
1419 ACPI_WDAT_GET_REBOOT = 16,
1420 ACPI_WDAT_SET_REBOOT = 17,
1421 ACPI_WDAT_GET_SHUTDOWN = 18,
1422 ACPI_WDAT_SET_SHUTDOWN = 19,
1423 ACPI_WDAT_GET_STATUS = 32,
1424 ACPI_WDAT_SET_STATUS = 33,
1425 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
1426 };
1427
1428 /* Values for Instruction field above */
1429
1430 enum acpi_wdat_instructions {
1431 ACPI_WDAT_READ_VALUE = 0,
1432 ACPI_WDAT_READ_COUNTDOWN = 1,
1433 ACPI_WDAT_WRITE_VALUE = 2,
1434 ACPI_WDAT_WRITE_COUNTDOWN = 3,
1435 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
1436 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
1437 };
1438
1439 /*******************************************************************************
1440 *
1441 * WDDT - Watchdog Descriptor Table
1442 * Version 1
1443 *
1444 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
1445 * Version 001, September 2002
1446 *
1447 ******************************************************************************/
1448
1449 struct acpi_table_wddt {
1450 struct acpi_table_header header; /* Common ACPI table header */
1451 u16 spec_version;
1452 u16 table_version;
1453 u16 pci_vendor_id;
1454 struct acpi_generic_address address;
1455 u16 max_count; /* Maximum counter value supported */
1456 u16 min_count; /* Minimum counter value supported */
1457 u16 period;
1458 u16 status;
1459 u16 capability;
1460 };
1461
1462 /* Flags for Status field above */
1463
1464 #define ACPI_WDDT_AVAILABLE (1)
1465 #define ACPI_WDDT_ACTIVE (1<<1)
1466 #define ACPI_WDDT_TCO_OS_OWNED (1<<2)
1467 #define ACPI_WDDT_USER_RESET (1<<11)
1468 #define ACPI_WDDT_WDT_RESET (1<<12)
1469 #define ACPI_WDDT_POWER_FAIL (1<<13)
1470 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
1471
1472 /* Flags for Capability field above */
1473
1474 #define ACPI_WDDT_AUTO_RESET (1)
1475 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
1476
1477 /*******************************************************************************
1478 *
1479 * WDRT - Watchdog Resource Table
1480 * Version 1
1481 *
1482 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
1483 * Version 1.01, August 28, 2006
1484 *
1485 ******************************************************************************/
1486
1487 struct acpi_table_wdrt {
1488 struct acpi_table_header header; /* Common ACPI table header */
1489 struct acpi_generic_address control_register;
1490 struct acpi_generic_address count_register;
1491 u16 pci_device_id;
1492 u16 pci_vendor_id;
1493 u8 pci_bus; /* PCI Bus number */
1494 u8 pci_device; /* PCI Device number */
1495 u8 pci_function; /* PCI Function number */
1496 u8 pci_segment; /* PCI Segment number */
1497 u16 max_count; /* Maximum counter value supported */
1498 u8 units;
1499 };
1500
1501 /* Reset to default packing */
1502
1503 #pragma pack()
1504
1505 #endif /* __ACTBL2_H__ */