1 /******************************************************************************
2 *
3 * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2016, 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
91 #ifdef ACPI_UNDEFINED_TABLES
92 /*
93 * These tables have been seen in the field, but no definition has been found
94 */
95 #define ACPI_SIG_ATKG "ATKG"
96 #define ACPI_SIG_GSCI "GSCI" /* GMCH SCI table */
97 #define ACPI_SIG_IEIT "IEIT"
98 #endif
99
100 /*
101 * All tables must be byte-packed to match the ACPI specification, since
102 * the tables are provided by the system BIOS.
103 */
104 #pragma pack(1)
105
106 /*
107 * Note: C bitfields are not used for this reason:
108 *
109 * "Bitfields are great and easy to read, but unfortunately the C language
110 * does not specify the layout of bitfields in memory, which means they are
111 * essentially useless for dealing with packed data in on-disk formats or
112 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
113 * this decision was a design error in C. Ritchie could have picked an order
114 * and stuck with it." Norman Ramsey.
115 * See http://stackoverflow.com/a/1053662/41661
116 */
117
118 /*******************************************************************************
119 *
120 * ASF - Alert Standard Format table (Signature "ASF!")
121 * Revision 0x10
122 *
123 * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
124 *
125 ******************************************************************************/
126
127 struct acpi_table_asf {
128 struct acpi_table_header header; /* Common ACPI table header */
129 };
130
131 /* ASF subtable header */
132
133 struct acpi_asf_header {
134 u8 type;
135 u8 reserved;
136 u16 length;
137 };
138
139 /* Values for Type field above */
140
141 enum acpi_asf_type {
142 ACPI_ASF_TYPE_INFO = 0,
143 ACPI_ASF_TYPE_ALERT = 1,
144 ACPI_ASF_TYPE_CONTROL = 2,
145 ACPI_ASF_TYPE_BOOT = 3,
146 ACPI_ASF_TYPE_ADDRESS = 4,
147 ACPI_ASF_TYPE_RESERVED = 5
148 };
149
150 /*
151 * ASF subtables
152 */
153
154 /* 0: ASF Information */
155
156 struct acpi_asf_info {
157 struct acpi_asf_header header;
158 u8 min_reset_value;
159 u8 min_poll_interval;
160 u16 system_id;
161 u32 mfg_id;
162 u8 flags;
163 u8 reserved2[3];
164 };
165
166 /* Masks for Flags field above */
167
168 #define ACPI_ASF_SMBUS_PROTOCOLS (1)
169
170 /* 1: ASF Alerts */
171
172 struct acpi_asf_alert {
173 struct acpi_asf_header header;
174 u8 assert_mask;
175 u8 deassert_mask;
176 u8 alerts;
177 u8 data_length;
178 };
179
180 struct acpi_asf_alert_data {
181 u8 address;
182 u8 command;
183 u8 mask;
184 u8 value;
185 u8 sensor_type;
186 u8 type;
187 u8 offset;
188 u8 source_type;
189 u8 severity;
190 u8 sensor_number;
191 u8 entity;
192 u8 instance;
193 };
194
195 /* 2: ASF Remote Control */
196
197 struct acpi_asf_remote {
198 struct acpi_asf_header header;
199 u8 controls;
200 u8 data_length;
201 u16 reserved2;
202 };
203
204 struct acpi_asf_control_data {
205 u8 function;
206 u8 address;
207 u8 command;
208 u8 value;
209 };
210
211 /* 3: ASF RMCP Boot Options */
212
213 struct acpi_asf_rmcp {
214 struct acpi_asf_header header;
215 u8 capabilities[7];
216 u8 completion_code;
217 u32 enterprise_id;
218 u8 command;
219 u16 parameter;
220 u16 boot_options;
221 u16 oem_parameters;
222 };
223
224 /* 4: ASF Address */
225
226 struct acpi_asf_address {
227 struct acpi_asf_header header;
228 u8 eprom_address;
229 u8 devices;
230 };
231
232 /*******************************************************************************
233 *
234 * BOOT - Simple Boot Flag Table
235 * Version 1
236 *
237 * Conforms to the "Simple Boot Flag Specification", Version 2.1
238 *
239 ******************************************************************************/
240
241 struct acpi_table_boot {
242 struct acpi_table_header header; /* Common ACPI table header */
243 u8 cmos_index; /* Index in CMOS RAM for the boot register */
244 u8 reserved[3];
245 };
246
247 /*******************************************************************************
248 *
249 * CSRT - Core System Resource Table
250 * Version 0
251 *
252 * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011
253 *
254 ******************************************************************************/
255
256 struct acpi_table_csrt {
257 struct acpi_table_header header; /* Common ACPI table header */
258 };
259
260 /* Resource Group subtable */
261
262 struct acpi_csrt_group {
263 u32 length;
264 u32 vendor_id;
265 u32 subvendor_id;
266 u16 device_id;
267 u16 subdevice_id;
268 u16 revision;
269 u16 reserved;
270 u32 shared_info_length;
271
272 /* Shared data immediately follows (Length = shared_info_length) */
273 };
274
275 /* Shared Info subtable */
276
277 struct acpi_csrt_shared_info {
278 u16 major_version;
279 u16 minor_version;
280 u32 mmio_base_low;
281 u32 mmio_base_high;
282 u32 gsi_interrupt;
283 u8 interrupt_polarity;
284 u8 interrupt_mode;
285 u8 num_channels;
286 u8 dma_address_width;
287 u16 base_request_line;
288 u16 num_handshake_signals;
289 u32 max_block_size;
290
291 /* Resource descriptors immediately follow (Length = Group length - shared_info_length) */
292 };
293
294 /* Resource Descriptor subtable */
295
296 struct acpi_csrt_descriptor {
297 u32 length;
298 u16 type;
299 u16 subtype;
300 u32 uid;
301
302 /* Resource-specific information immediately follows */
303 };
304
305 /* Resource Types */
306
307 #define ACPI_CSRT_TYPE_INTERRUPT 0x0001
308 #define ACPI_CSRT_TYPE_TIMER 0x0002
309 #define ACPI_CSRT_TYPE_DMA 0x0003
310
311 /* Resource Subtypes */
312
313 #define ACPI_CSRT_XRUPT_LINE 0x0000
314 #define ACPI_CSRT_XRUPT_CONTROLLER 0x0001
315 #define ACPI_CSRT_TIMER 0x0000
316 #define ACPI_CSRT_DMA_CHANNEL 0x0000
317 #define ACPI_CSRT_DMA_CONTROLLER 0x0001
318
319 /*******************************************************************************
320 *
321 * DBG2 - Debug Port Table 2
322 * Version 0 (Both main table and subtables)
323 *
324 * Conforms to "Microsoft Debug Port Table 2 (DBG2)", December 10, 2015
325 *
326 ******************************************************************************/
327
328 struct acpi_table_dbg2 {
329 struct acpi_table_header header; /* Common ACPI table header */
330 u32 info_offset;
331 u32 info_count;
332 };
333
334 struct acpi_dbg2_header {
335 u32 info_offset;
336 u32 info_count;
337 };
338
339 /* Debug Device Information Subtable */
340
341 struct acpi_dbg2_device {
342 u8 revision;
343 u16 length;
344 u8 register_count; /* Number of base_address registers */
345 u16 namepath_length;
346 u16 namepath_offset;
347 u16 oem_data_length;
348 u16 oem_data_offset;
349 u16 port_type;
350 u16 port_subtype;
351 u16 reserved;
352 u16 base_address_offset;
353 u16 address_size_offset;
354 /*
355 * Data that follows:
356 * base_address (required) - Each in 12-byte Generic Address Structure format.
357 * address_size (required) - Array of u32 sizes corresponding to each base_address register.
358 * Namepath (required) - Null terminated string. Single dot if not supported.
359 * oem_data (optional) - Length is oem_data_length.
360 */
361 };
362
363 /* Types for port_type field above */
364
365 #define ACPI_DBG2_SERIAL_PORT 0x8000
366 #define ACPI_DBG2_1394_PORT 0x8001
367 #define ACPI_DBG2_USB_PORT 0x8002
368 #define ACPI_DBG2_NET_PORT 0x8003
369
370 /* Subtypes for port_subtype field above */
371
372 #define ACPI_DBG2_16550_COMPATIBLE 0x0000
373 #define ACPI_DBG2_16550_SUBSET 0x0001
374 #define ACPI_DBG2_ARM_PL011 0x0003
375 #define ACPI_DBG2_ARM_SBSA_32BIT 0x000D
376 #define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E
377 #define ACPI_DBG2_ARM_DCC 0x000F
378 #define ACPI_DBG2_BCM2835 0x0010
379
380 #define ACPI_DBG2_1394_STANDARD 0x0000
381
382 #define ACPI_DBG2_USB_XHCI 0x0000
383 #define ACPI_DBG2_USB_EHCI 0x0001
384
385 /*******************************************************************************
386 *
387 * DBGP - Debug Port table
388 * Version 1
389 *
390 * Conforms to the "Debug Port Specification", Version 1.00, 2/9/2000
391 *
392 ******************************************************************************/
393
394 struct acpi_table_dbgp {
395 struct acpi_table_header header; /* Common ACPI table header */
396 u8 type; /* 0=full 16550, 1=subset of 16550 */
397 u8 reserved[3];
398 struct acpi_generic_address debug_port;
399 };
400
401 /*******************************************************************************
402 *
403 * DMAR - DMA Remapping table
404 * Version 1
405 *
406 * Conforms to "Intel Virtualization Technology for Directed I/O",
407 * Version 2.3, October 2014
408 *
409 ******************************************************************************/
410
411 struct acpi_table_dmar {
412 struct acpi_table_header header; /* Common ACPI table header */
413 u8 width; /* Host Address Width */
414 u8 flags;
415 u8 reserved[10];
416 };
417
418 /* Masks for Flags field above */
419
420 #define ACPI_DMAR_INTR_REMAP (1)
421 #define ACPI_DMAR_X2APIC_OPT_OUT (1<<1)
422 #define ACPI_DMAR_X2APIC_MODE (1<<2)
423
424 /* DMAR subtable header */
425
426 struct acpi_dmar_header {
427 u16 type;
428 u16 length;
429 };
430
431 /* Values for subtable type in struct acpi_dmar_header */
432
433 enum acpi_dmar_type {
434 ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
435 ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
436 ACPI_DMAR_TYPE_ROOT_ATS = 2,
437 ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,
438 ACPI_DMAR_TYPE_NAMESPACE = 4,
439 ACPI_DMAR_TYPE_RESERVED = 5 /* 5 and greater are reserved */
440 };
441
442 /* DMAR Device Scope structure */
443
444 struct acpi_dmar_device_scope {
445 u8 entry_type;
446 u8 length;
447 u16 reserved;
448 u8 enumeration_id;
449 u8 bus;
450 };
451
452 /* Values for entry_type in struct acpi_dmar_device_scope - device types */
453
454 enum acpi_dmar_scope_type {
455 ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
456 ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
457 ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
458 ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3,
459 ACPI_DMAR_SCOPE_TYPE_HPET = 4,
460 ACPI_DMAR_SCOPE_TYPE_NAMESPACE = 5,
461 ACPI_DMAR_SCOPE_TYPE_RESERVED = 6 /* 6 and greater are reserved */
462 };
463
464 struct acpi_dmar_pci_path {
465 u8 device;
466 u8 function;
467 };
468
469 /*
470 * DMAR Subtables, correspond to Type in struct acpi_dmar_header
471 */
472
473 /* 0: Hardware Unit Definition */
474
475 struct acpi_dmar_hardware_unit {
476 struct acpi_dmar_header header;
477 u8 flags;
478 u8 reserved;
479 u16 segment;
480 u64 address; /* Register Base Address */
481 };
482
483 /* Masks for Flags field above */
484
485 #define ACPI_DMAR_INCLUDE_ALL (1)
486
487 /* 1: Reserved Memory Defininition */
488
489 struct acpi_dmar_reserved_memory {
490 struct acpi_dmar_header header;
491 u16 reserved;
492 u16 segment;
493 u64 base_address; /* 4K aligned base address */
494 u64 end_address; /* 4K aligned limit address */
495 };
496
497 /* Masks for Flags field above */
498
499 #define ACPI_DMAR_ALLOW_ALL (1)
500
501 /* 2: Root Port ATS Capability Reporting Structure */
502
503 struct acpi_dmar_atsr {
504 struct acpi_dmar_header header;
505 u8 flags;
506 u8 reserved;
507 u16 segment;
508 };
509
510 /* Masks for Flags field above */
511
512 #define ACPI_DMAR_ALL_PORTS (1)
513
514 /* 3: Remapping Hardware Static Affinity Structure */
515
516 struct acpi_dmar_rhsa {
517 struct acpi_dmar_header header;
518 u32 reserved;
519 u64 base_address;
520 u32 proximity_domain;
521 };
522
523 /* 4: ACPI Namespace Device Declaration Structure */
524
525 struct acpi_dmar_andd {
526 struct acpi_dmar_header header;
527 u8 reserved[3];
528 u8 device_number;
529 char device_name[1];
530 };
531
532 /*******************************************************************************
533 *
534 * HPET - High Precision Event Timer table
535 * Version 1
536 *
537 * Conforms to "IA-PC HPET (High Precision Event Timers) Specification",
538 * Version 1.0a, October 2004
539 *
540 ******************************************************************************/
541
542 struct acpi_table_hpet {
543 struct acpi_table_header header; /* Common ACPI table header */
544 u32 id; /* Hardware ID of event timer block */
545 struct acpi_generic_address address; /* Address of event timer block */
546 u8 sequence; /* HPET sequence number */
547 u16 minimum_tick; /* Main counter min tick, periodic mode */
548 u8 flags;
549 };
550
551 /* Masks for Flags field above */
552
553 #define ACPI_HPET_PAGE_PROTECT_MASK (3)
554
555 /* Values for Page Protect flags */
556
557 enum acpi_hpet_page_protect {
558 ACPI_HPET_NO_PAGE_PROTECT = 0,
559 ACPI_HPET_PAGE_PROTECT4 = 1,
560 ACPI_HPET_PAGE_PROTECT64 = 2
561 };
562
563 /*******************************************************************************
564 *
565 * IBFT - Boot Firmware Table
566 * Version 1
567 *
568 * Conforms to "iSCSI Boot Firmware Table (iBFT) as Defined in ACPI 3.0b
569 * Specification", Version 1.01, March 1, 2007
570 *
571 * Note: It appears that this table is not intended to appear in the RSDT/XSDT.
572 * Therefore, it is not currently supported by the disassembler.
573 *
574 ******************************************************************************/
575
576 struct acpi_table_ibft {
577 struct acpi_table_header header; /* Common ACPI table header */
578 u8 reserved[12];
579 };
580
581 /* IBFT common subtable header */
582
583 struct acpi_ibft_header {
584 u8 type;
585 u8 version;
586 u16 length;
587 u8 index;
588 u8 flags;
589 };
590
591 /* Values for Type field above */
592
593 enum acpi_ibft_type {
594 ACPI_IBFT_TYPE_NOT_USED = 0,
595 ACPI_IBFT_TYPE_CONTROL = 1,
596 ACPI_IBFT_TYPE_INITIATOR = 2,
597 ACPI_IBFT_TYPE_NIC = 3,
598 ACPI_IBFT_TYPE_TARGET = 4,
599 ACPI_IBFT_TYPE_EXTENSIONS = 5,
600 ACPI_IBFT_TYPE_RESERVED = 6 /* 6 and greater are reserved */
601 };
602
603 /* IBFT subtables */
604
605 struct acpi_ibft_control {
606 struct acpi_ibft_header header;
607 u16 extensions;
608 u16 initiator_offset;
609 u16 nic0_offset;
610 u16 target0_offset;
611 u16 nic1_offset;
612 u16 target1_offset;
613 };
614
615 struct acpi_ibft_initiator {
616 struct acpi_ibft_header header;
617 u8 sns_server[16];
618 u8 slp_server[16];
619 u8 primary_server[16];
620 u8 secondary_server[16];
621 u16 name_length;
622 u16 name_offset;
623 };
624
625 struct acpi_ibft_nic {
626 struct acpi_ibft_header header;
627 u8 ip_address[16];
628 u8 subnet_mask_prefix;
629 u8 origin;
630 u8 gateway[16];
631 u8 primary_dns[16];
632 u8 secondary_dns[16];
633 u8 dhcp[16];
634 u16 vlan;
635 u8 mac_address[6];
636 u16 pci_address;
637 u16 name_length;
638 u16 name_offset;
639 };
640
641 struct acpi_ibft_target {
642 struct acpi_ibft_header header;
643 u8 target_ip_address[16];
644 u16 target_ip_socket;
645 u8 target_boot_lun[8];
646 u8 chap_type;
647 u8 nic_association;
648 u16 target_name_length;
649 u16 target_name_offset;
650 u16 chap_name_length;
651 u16 chap_name_offset;
652 u16 chap_secret_length;
653 u16 chap_secret_offset;
654 u16 reverse_chap_name_length;
655 u16 reverse_chap_name_offset;
656 u16 reverse_chap_secret_length;
657 u16 reverse_chap_secret_offset;
658 };
659
660 /*******************************************************************************
661 *
662 * IORT - IO Remapping Table
663 *
664 * Conforms to "IO Remapping Table System Software on ARM Platforms",
665 * Document number: ARM DEN 0049B, October 2015
666 *
667 ******************************************************************************/
668
669 struct acpi_table_iort {
670 struct acpi_table_header header;
671 u32 node_count;
672 u32 node_offset;
673 u32 reserved;
674 };
675
676 /*
677 * IORT subtables
678 */
679 struct acpi_iort_node {
680 u8 type;
681 u16 length;
682 u8 revision;
683 u32 reserved;
684 u32 mapping_count;
685 u32 mapping_offset;
686 char node_data[1];
687 };
688
689 /* Values for subtable Type above */
690
691 enum acpi_iort_node_type {
692 ACPI_IORT_NODE_ITS_GROUP = 0x00,
693 ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
694 ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
695 ACPI_IORT_NODE_SMMU = 0x03,
696 ACPI_IORT_NODE_SMMU_V3 = 0x04
697 };
698
699 struct acpi_iort_id_mapping {
700 u32 input_base; /* Lowest value in input range */
701 u32 id_count; /* Number of IDs */
702 u32 output_base; /* Lowest value in output range */
703 u32 output_reference; /* A reference to the output node */
704 u32 flags;
705 };
706
707 /* Masks for Flags field above for IORT subtable */
708
709 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
710
711 struct acpi_iort_memory_access {
712 u32 cache_coherency;
713 u8 hints;
714 u16 reserved;
715 u8 memory_flags;
716 };
717
718 /* Values for cache_coherency field above */
719
720 #define ACPI_IORT_NODE_COHERENT 0x00000001 /* The device node is fully coherent */
721 #define ACPI_IORT_NODE_NOT_COHERENT 0x00000000 /* The device node is not coherent */
722
723 /* Masks for Hints field above */
724
725 #define ACPI_IORT_HT_TRANSIENT (1)
726 #define ACPI_IORT_HT_WRITE (1<<1)
727 #define ACPI_IORT_HT_READ (1<<2)
728 #define ACPI_IORT_HT_OVERRIDE (1<<3)
729
730 /* Masks for memory_flags field above */
731
732 #define ACPI_IORT_MF_COHERENCY (1)
733 #define ACPI_IORT_MF_ATTRIBUTES (1<<1)
734
735 /*
736 * IORT node specific subtables
737 */
738 struct acpi_iort_its_group {
739 u32 its_count;
740 u32 identifiers[1]; /* GIC ITS identifier arrary */
741 };
742
743 struct acpi_iort_named_component {
744 u32 node_flags;
745 u64 memory_properties; /* Memory access properties */
746 u8 memory_address_limit; /* Memory address size limit */
747 char device_name[1]; /* Path of namespace object */
748 };
749
750 struct acpi_iort_root_complex {
751 u64 memory_properties; /* Memory access properties */
752 u32 ats_attribute;
753 u32 pci_segment_number;
754 };
755
756 /* Values for ats_attribute field above */
757
758 #define ACPI_IORT_ATS_SUPPORTED 0x00000001 /* The root complex supports ATS */
759 #define ACPI_IORT_ATS_UNSUPPORTED 0x00000000 /* The root complex doesn't support ATS */
760
761 struct acpi_iort_smmu {
762 u64 base_address; /* SMMU base address */
763 u64 span; /* Length of memory range */
764 u32 model;
765 u32 flags;
766 u32 global_interrupt_offset;
767 u32 context_interrupt_count;
768 u32 context_interrupt_offset;
769 u32 pmu_interrupt_count;
770 u32 pmu_interrupt_offset;
771 u64 interrupts[1]; /* Interrupt array */
772 };
773
774 /* Values for Model field above */
775
776 #define ACPI_IORT_SMMU_V1 0x00000000 /* Generic SMMUv1 */
777 #define ACPI_IORT_SMMU_V2 0x00000001 /* Generic SMMUv2 */
778 #define ACPI_IORT_SMMU_CORELINK_MMU400 0x00000002 /* ARM Corelink MMU-400 */
779 #define ACPI_IORT_SMMU_CORELINK_MMU500 0x00000003 /* ARM Corelink MMU-500 */
780
781 /* Masks for Flags field above */
782
783 #define ACPI_IORT_SMMU_DVM_SUPPORTED (1)
784 #define ACPI_IORT_SMMU_COHERENT_WALK (1<<1)
785
786 /* Global interrupt format */
787
788 struct acpi_iort_smmu_gsi {
789 u32 nsg_irpt;
790 u32 nsg_irpt_flags;
791 u32 nsg_cfg_irpt;
792 u32 nsg_cfg_irpt_flags;
793 };
794
795 struct acpi_iort_smmu_v3 {
796 u64 base_address; /* SMMUv3 base address */
797 u32 flags;
798 u32 reserved;
799 u64 vatos_address;
800 u32 model; /* O: generic SMMUv3 */
801 u32 event_gsiv;
802 u32 pri_gsiv;
803 u32 gerr_gsiv;
804 u32 sync_gsiv;
805 };
806
807 /* Masks for Flags field above */
808
809 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1)
810 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1)
811
812 /*******************************************************************************
813 *
814 * IVRS - I/O Virtualization Reporting Structure
815 * Version 1
816 *
817 * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
818 * Revision 1.26, February 2009.
819 *
820 ******************************************************************************/
821
822 struct acpi_table_ivrs {
823 struct acpi_table_header header; /* Common ACPI table header */
824 u32 info; /* Common virtualization info */
825 u64 reserved;
826 };
827
828 /* Values for Info field above */
829
830 #define ACPI_IVRS_PHYSICAL_SIZE 0x00007F00 /* 7 bits, physical address size */
831 #define ACPI_IVRS_VIRTUAL_SIZE 0x003F8000 /* 7 bits, virtual address size */
832 #define ACPI_IVRS_ATS_RESERVED 0x00400000 /* ATS address translation range reserved */
833
834 /* IVRS subtable header */
835
836 struct acpi_ivrs_header {
837 u8 type; /* Subtable type */
838 u8 flags;
839 u16 length; /* Subtable length */
840 u16 device_id; /* ID of IOMMU */
841 };
842
843 /* Values for subtable Type above */
844
845 enum acpi_ivrs_type {
846 ACPI_IVRS_TYPE_HARDWARE = 0x10,
847 ACPI_IVRS_TYPE_MEMORY1 = 0x20,
848 ACPI_IVRS_TYPE_MEMORY2 = 0x21,
849 ACPI_IVRS_TYPE_MEMORY3 = 0x22
850 };
851
852 /* Masks for Flags field above for IVHD subtable */
853
854 #define ACPI_IVHD_TT_ENABLE (1)
855 #define ACPI_IVHD_PASS_PW (1<<1)
856 #define ACPI_IVHD_RES_PASS_PW (1<<2)
857 #define ACPI_IVHD_ISOC (1<<3)
858 #define ACPI_IVHD_IOTLB (1<<4)
859
860 /* Masks for Flags field above for IVMD subtable */
861
862 #define ACPI_IVMD_UNITY (1)
863 #define ACPI_IVMD_READ (1<<1)
864 #define ACPI_IVMD_WRITE (1<<2)
865 #define ACPI_IVMD_EXCLUSION_RANGE (1<<3)
866
867 /*
868 * IVRS subtables, correspond to Type in struct acpi_ivrs_header
869 */
870
871 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
872
873 struct acpi_ivrs_hardware {
874 struct acpi_ivrs_header header;
875 u16 capability_offset; /* Offset for IOMMU control fields */
876 u64 base_address; /* IOMMU control registers */
877 u16 pci_segment_group;
878 u16 info; /* MSI number and unit ID */
879 u32 reserved;
880 };
881
882 /* Masks for Info field above */
883
884 #define ACPI_IVHD_MSI_NUMBER_MASK 0x001F /* 5 bits, MSI message number */
885 #define ACPI_IVHD_UNIT_ID_MASK 0x1F00 /* 5 bits, unit_ID */
886
887 /*
888 * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
889 * Upper two bits of the Type field are the (encoded) length of the structure.
890 * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
891 * are reserved for future use but not defined.
892 */
893 struct acpi_ivrs_de_header {
894 u8 type;
895 u16 id;
896 u8 data_setting;
897 };
898
899 /* Length of device entry is in the top two bits of Type field above */
900
901 #define ACPI_IVHD_ENTRY_LENGTH 0xC0
902
903 /* Values for device entry Type field above */
904
905 enum acpi_ivrs_device_entry_type {
906 /* 4-byte device entries, all use struct acpi_ivrs_device4 */
907
908 ACPI_IVRS_TYPE_PAD4 = 0,
909 ACPI_IVRS_TYPE_ALL = 1,
910 ACPI_IVRS_TYPE_SELECT = 2,
911 ACPI_IVRS_TYPE_START = 3,
912 ACPI_IVRS_TYPE_END = 4,
913
914 /* 8-byte device entries */
915
916 ACPI_IVRS_TYPE_PAD8 = 64,
917 ACPI_IVRS_TYPE_NOT_USED = 65,
918 ACPI_IVRS_TYPE_ALIAS_SELECT = 66, /* Uses struct acpi_ivrs_device8a */
919 ACPI_IVRS_TYPE_ALIAS_START = 67, /* Uses struct acpi_ivrs_device8a */
920 ACPI_IVRS_TYPE_EXT_SELECT = 70, /* Uses struct acpi_ivrs_device8b */
921 ACPI_IVRS_TYPE_EXT_START = 71, /* Uses struct acpi_ivrs_device8b */
922 ACPI_IVRS_TYPE_SPECIAL = 72 /* Uses struct acpi_ivrs_device8c */
923 };
924
925 /* Values for Data field above */
926
927 #define ACPI_IVHD_INIT_PASS (1)
928 #define ACPI_IVHD_EINT_PASS (1<<1)
929 #define ACPI_IVHD_NMI_PASS (1<<2)
930 #define ACPI_IVHD_SYSTEM_MGMT (3<<4)
931 #define ACPI_IVHD_LINT0_PASS (1<<6)
932 #define ACPI_IVHD_LINT1_PASS (1<<7)
933
934 /* Types 0-4: 4-byte device entry */
935
936 struct acpi_ivrs_device4 {
937 struct acpi_ivrs_de_header header;
938 };
939
940 /* Types 66-67: 8-byte device entry */
941
942 struct acpi_ivrs_device8a {
943 struct acpi_ivrs_de_header header;
944 u8 reserved1;
945 u16 used_id;
946 u8 reserved2;
947 };
948
949 /* Types 70-71: 8-byte device entry */
950
951 struct acpi_ivrs_device8b {
952 struct acpi_ivrs_de_header header;
953 u32 extended_data;
954 };
955
956 /* Values for extended_data above */
957
958 #define ACPI_IVHD_ATS_DISABLED (1<<31)
959
960 /* Type 72: 8-byte device entry */
961
962 struct acpi_ivrs_device8c {
963 struct acpi_ivrs_de_header header;
964 u8 handle;
965 u16 used_id;
966 u8 variety;
967 };
968
969 /* Values for Variety field above */
970
971 #define ACPI_IVHD_IOAPIC 1
972 #define ACPI_IVHD_HPET 2
973
974 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
975
976 struct acpi_ivrs_memory {
977 struct acpi_ivrs_header header;
978 u16 aux_data;
979 u64 reserved;
980 u64 start_address;
981 u64 memory_length;
982 };
983
984 /*******************************************************************************
985 *
986 * LPIT - Low Power Idle Table
987 *
988 * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
989 *
990 ******************************************************************************/
991
992 struct acpi_table_lpit {
993 struct acpi_table_header header; /* Common ACPI table header */
994 };
995
996 /* LPIT subtable header */
997
998 struct acpi_lpit_header {
999 u32 type; /* Subtable type */
1000 u32 length; /* Subtable length */
1001 u16 unique_id;
1002 u16 reserved;
1003 u32 flags;
1004 };
1005
1006 /* Values for subtable Type above */
1007
1008 enum acpi_lpit_type {
1009 ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
1010 ACPI_LPIT_TYPE_RESERVED = 0x01 /* 1 and above are reserved */
1011 };
1012
1013 /* Masks for Flags field above */
1014
1015 #define ACPI_LPIT_STATE_DISABLED (1)
1016 #define ACPI_LPIT_NO_COUNTER (1<<1)
1017
1018 /*
1019 * LPIT subtables, correspond to Type in struct acpi_lpit_header
1020 */
1021
1022 /* 0x00: Native C-state instruction based LPI structure */
1023
1024 struct acpi_lpit_native {
1025 struct acpi_lpit_header header;
1026 struct acpi_generic_address entry_trigger;
1027 u32 residency;
1028 u32 latency;
1029 struct acpi_generic_address residency_counter;
1030 u64 counter_frequency;
1031 };
1032
1033 /*******************************************************************************
1034 *
1035 * MCFG - PCI Memory Mapped Configuration table and subtable
1036 * Version 1
1037 *
1038 * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1039 *
1040 ******************************************************************************/
1041
1042 struct acpi_table_mcfg {
1043 struct acpi_table_header header; /* Common ACPI table header */
1044 u8 reserved[8];
1045 };
1046
1047 /* Subtable */
1048
1049 struct acpi_mcfg_allocation {
1050 u64 address; /* Base address, processor-relative */
1051 u16 pci_segment; /* PCI segment group number */
1052 u8 start_bus_number; /* Starting PCI Bus number */
1053 u8 end_bus_number; /* Final PCI Bus number */
1054 u32 reserved;
1055 };
1056
1057 /*******************************************************************************
1058 *
1059 * MCHI - Management Controller Host Interface Table
1060 * Version 1
1061 *
1062 * Conforms to "Management Component Transport Protocol (MCTP) Host
1063 * Interface Specification", Revision 1.0.0a, October 13, 2009
1064 *
1065 ******************************************************************************/
1066
1067 struct acpi_table_mchi {
1068 struct acpi_table_header header; /* Common ACPI table header */
1069 u8 interface_type;
1070 u8 protocol;
1071 u64 protocol_data;
1072 u8 interrupt_type;
1073 u8 gpe;
1074 u8 pci_device_flag;
1075 u32 global_interrupt;
1076 struct acpi_generic_address control_register;
1077 u8 pci_segment;
1078 u8 pci_bus;
1079 u8 pci_device;
1080 u8 pci_function;
1081 };
1082
1083 /*******************************************************************************
1084 *
1085 * MSDM - Microsoft Data Management table
1086 *
1087 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1088 * November 29, 2011. Copyright 2011 Microsoft
1089 *
1090 ******************************************************************************/
1091
1092 /* Basic MSDM table is only the common ACPI header */
1093
1094 struct acpi_table_msdm {
1095 struct acpi_table_header header; /* Common ACPI table header */
1096 };
1097
1098 /*******************************************************************************
1099 *
1100 * MTMR - MID Timer Table
1101 * Version 1
1102 *
1103 * Conforms to "Simple Firmware Interface Specification",
1104 * Draft 0.8.2, Oct 19, 2010
1105 * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
1106 *
1107 ******************************************************************************/
1108
1109 struct acpi_table_mtmr {
1110 struct acpi_table_header header; /* Common ACPI table header */
1111 };
1112
1113 /* MTMR entry */
1114
1115 struct acpi_mtmr_entry {
1116 struct acpi_generic_address physical_address;
1117 u32 frequency;
1118 u32 irq;
1119 };
1120
1121 /*******************************************************************************
1122 *
1123 * SLIC - Software Licensing Description Table
1124 *
1125 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1126 * November 29, 2011. Copyright 2011 Microsoft
1127 *
1128 ******************************************************************************/
1129
1130 /* Basic SLIC table is only the common ACPI header */
1131
1132 struct acpi_table_slic {
1133 struct acpi_table_header header; /* Common ACPI table header */
1134 };
1135
1136 /*******************************************************************************
1137 *
1138 * SPCR - Serial Port Console Redirection table
1139 * Version 2
1140 *
1141 * Conforms to "Serial Port Console Redirection Table",
1142 * Version 1.03, August 10, 2015
1143 *
1144 ******************************************************************************/
1145
1146 struct acpi_table_spcr {
1147 struct acpi_table_header header; /* Common ACPI table header */
1148 u8 interface_type; /* 0=full 16550, 1=subset of 16550 */
1149 u8 reserved[3];
1150 struct acpi_generic_address serial_port;
1151 u8 interrupt_type;
1152 u8 pc_interrupt;
1153 u32 interrupt;
1154 u8 baud_rate;
1155 u8 parity;
1156 u8 stop_bits;
1157 u8 flow_control;
1158 u8 terminal_type;
1159 u8 reserved1;
1160 u16 pci_device_id;
1161 u16 pci_vendor_id;
1162 u8 pci_bus;
1163 u8 pci_device;
1164 u8 pci_function;
1165 u32 pci_flags;
1166 u8 pci_segment;
1167 u32 reserved2;
1168 };
1169
1170 /* Masks for pci_flags field above */
1171
1172 #define ACPI_SPCR_DO_NOT_DISABLE (1)
1173
1174 /* Values for Interface Type: See the definition of the DBG2 table */
1175
1176 /*******************************************************************************
1177 *
1178 * SPMI - Server Platform Management Interface table
1179 * Version 5
1180 *
1181 * Conforms to "Intelligent Platform Management Interface Specification
1182 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
1183 * June 12, 2009 markup.
1184 *
1185 ******************************************************************************/
1186
1187 struct acpi_table_spmi {
1188 struct acpi_table_header header; /* Common ACPI table header */
1189 u8 interface_type;
1190 u8 reserved; /* Must be 1 */
1191 u16 spec_revision; /* Version of IPMI */
1192 u8 interrupt_type;
1193 u8 gpe_number; /* GPE assigned */
1194 u8 reserved1;
1195 u8 pci_device_flag;
1196 u32 interrupt;
1197 struct acpi_generic_address ipmi_register;
1198 u8 pci_segment;
1199 u8 pci_bus;
1200 u8 pci_device;
1201 u8 pci_function;
1202 u8 reserved2;
1203 };
1204
1205 /* Values for interface_type above */
1206
1207 enum acpi_spmi_interface_types {
1208 ACPI_SPMI_NOT_USED = 0,
1209 ACPI_SPMI_KEYBOARD = 1,
1210 ACPI_SPMI_SMI = 2,
1211 ACPI_SPMI_BLOCK_TRANSFER = 3,
1212 ACPI_SPMI_SMBUS = 4,
1213 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */
1214 };
1215
1216 /*******************************************************************************
1217 *
1218 * TCPA - Trusted Computing Platform Alliance table
1219 * Version 2
1220 *
1221 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1222 * December 19, 2014
1223 *
1224 * NOTE: There are two versions of the table with the same signature --
1225 * the client version and the server version. The common platform_class
1226 * field is used to differentiate the two types of tables.
1227 *
1228 ******************************************************************************/
1229
1230 struct acpi_table_tcpa_hdr {
1231 struct acpi_table_header header; /* Common ACPI table header */
1232 u16 platform_class;
1233 };
1234
1235 /*
1236 * Values for platform_class above.
1237 * This is how the client and server subtables are differentiated
1238 */
1239 #define ACPI_TCPA_CLIENT_TABLE 0
1240 #define ACPI_TCPA_SERVER_TABLE 1
1241
1242 struct acpi_table_tcpa_client {
1243 u32 minimum_log_length; /* Minimum length for the event log area */
1244 u64 log_address; /* Address of the event log area */
1245 };
1246
1247 struct acpi_table_tcpa_server {
1248 u16 reserved;
1249 u64 minimum_log_length; /* Minimum length for the event log area */
1250 u64 log_address; /* Address of the event log area */
1251 u16 spec_revision;
1252 u8 device_flags;
1253 u8 interrupt_flags;
1254 u8 gpe_number;
1255 u8 reserved2[3];
1256 u32 global_interrupt;
1257 struct acpi_generic_address address;
1258 u32 reserved3;
1259 struct acpi_generic_address config_address;
1260 u8 group;
1261 u8 bus; /* PCI Bus/Segment/Function numbers */
1262 u8 device;
1263 u8 function;
1264 };
1265
1266 /* Values for device_flags above */
1267
1268 #define ACPI_TCPA_PCI_DEVICE (1)
1269 #define ACPI_TCPA_BUS_PNP (1<<1)
1270 #define ACPI_TCPA_ADDRESS_VALID (1<<2)
1271
1272 /* Values for interrupt_flags above */
1273
1274 #define ACPI_TCPA_INTERRUPT_MODE (1)
1275 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1)
1276 #define ACPI_TCPA_SCI_VIA_GPE (1<<2)
1277 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3)
1278
1279 /*******************************************************************************
1280 *
1281 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
1282 * Version 4
1283 *
1284 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1285 * December 19, 2014
1286 *
1287 ******************************************************************************/
1288
1289 struct acpi_table_tpm2 {
1290 struct acpi_table_header header; /* Common ACPI table header */
1291 u16 platform_class;
1292 u16 reserved;
1293 u64 control_address;
1294 u32 start_method;
1295
1296 /* Platform-specific data follows */
1297 };
1298
1299 /* Values for start_method above */
1300
1301 #define ACPI_TPM2_NOT_ALLOWED 0
1302 #define ACPI_TPM2_START_METHOD 2
1303 #define ACPI_TPM2_MEMORY_MAPPED 6
1304 #define ACPI_TPM2_COMMAND_BUFFER 7
1305 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8
1306
1307 /*******************************************************************************
1308 *
1309 * UEFI - UEFI Boot optimization Table
1310 * Version 1
1311 *
1312 * Conforms to "Unified Extensible Firmware Interface Specification",
1313 * Version 2.3, May 8, 2009
1314 *
1315 ******************************************************************************/
1316
1317 struct acpi_table_uefi {
1318 struct acpi_table_header header; /* Common ACPI table header */
1319 u8 identifier[16]; /* UUID identifier */
1320 u16 data_offset; /* Offset of remaining data in table */
1321 };
1322
1323 /*******************************************************************************
1324 *
1325 * VRTC - Virtual Real Time Clock Table
1326 * Version 1
1327 *
1328 * Conforms to "Simple Firmware Interface Specification",
1329 * Draft 0.8.2, Oct 19, 2010
1330 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
1331 *
1332 ******************************************************************************/
1333
1334 struct acpi_table_vrtc {
1335 struct acpi_table_header header; /* Common ACPI table header */
1336 };
1337
1338 /* VRTC entry */
1339
1340 struct acpi_vrtc_entry {
1341 struct acpi_generic_address physical_address;
1342 u32 irq;
1343 };
1344
1345 /*******************************************************************************
1346 *
1347 * WAET - Windows ACPI Emulated devices Table
1348 * Version 1
1349 *
1350 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
1351 *
1352 ******************************************************************************/
1353
1354 struct acpi_table_waet {
1355 struct acpi_table_header header; /* Common ACPI table header */
1356 u32 flags;
1357 };
1358
1359 /* Masks for Flags field above */
1360
1361 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */
1362 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */
1363
1364 /*******************************************************************************
1365 *
1366 * WDAT - Watchdog Action Table
1367 * Version 1
1368 *
1369 * Conforms to "Hardware Watchdog Timers Design Specification",
1370 * Copyright 2006 Microsoft Corporation.
1371 *
1372 ******************************************************************************/
1373
1374 struct acpi_table_wdat {
1375 struct acpi_table_header header; /* Common ACPI table header */
1376 u32 header_length; /* Watchdog Header Length */
1377 u16 pci_segment; /* PCI Segment number */
1378 u8 pci_bus; /* PCI Bus number */
1379 u8 pci_device; /* PCI Device number */
1380 u8 pci_function; /* PCI Function number */
1381 u8 reserved[3];
1382 u32 timer_period; /* Period of one timer count (msec) */
1383 u32 max_count; /* Maximum counter value supported */
1384 u32 min_count; /* Minimum counter value */
1385 u8 flags;
1386 u8 reserved2[3];
1387 u32 entries; /* Number of watchdog entries that follow */
1388 };
1389
1390 /* Masks for Flags field above */
1391
1392 #define ACPI_WDAT_ENABLED (1)
1393 #define ACPI_WDAT_STOPPED 0x80
1394
1395 /* WDAT Instruction Entries (actions) */
1396
1397 struct acpi_wdat_entry {
1398 u8 action;
1399 u8 instruction;
1400 u16 reserved;
1401 struct acpi_generic_address register_region;
1402 u32 value; /* Value used with Read/Write register */
1403 u32 mask; /* Bitmask required for this register instruction */
1404 };
1405
1406 /* Values for Action field above */
1407
1408 enum acpi_wdat_actions {
1409 ACPI_WDAT_RESET = 1,
1410 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
1411 ACPI_WDAT_GET_COUNTDOWN = 5,
1412 ACPI_WDAT_SET_COUNTDOWN = 6,
1413 ACPI_WDAT_GET_RUNNING_STATE = 8,
1414 ACPI_WDAT_SET_RUNNING_STATE = 9,
1415 ACPI_WDAT_GET_STOPPED_STATE = 10,
1416 ACPI_WDAT_SET_STOPPED_STATE = 11,
1417 ACPI_WDAT_GET_REBOOT = 16,
1418 ACPI_WDAT_SET_REBOOT = 17,
1419 ACPI_WDAT_GET_SHUTDOWN = 18,
1420 ACPI_WDAT_SET_SHUTDOWN = 19,
1421 ACPI_WDAT_GET_STATUS = 32,
1422 ACPI_WDAT_SET_STATUS = 33,
1423 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */
1424 };
1425
1426 /* Values for Instruction field above */
1427
1428 enum acpi_wdat_instructions {
1429 ACPI_WDAT_READ_VALUE = 0,
1430 ACPI_WDAT_READ_COUNTDOWN = 1,
1431 ACPI_WDAT_WRITE_VALUE = 2,
1432 ACPI_WDAT_WRITE_COUNTDOWN = 3,
1433 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */
1434 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */
1435 };
1436
1437 /*******************************************************************************
1438 *
1439 * WDDT - Watchdog Descriptor Table
1440 * Version 1
1441 *
1442 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
1443 * Version 001, September 2002
1444 *
1445 ******************************************************************************/
1446
1447 struct acpi_table_wddt {
1448 struct acpi_table_header header; /* Common ACPI table header */
1449 u16 spec_version;
1450 u16 table_version;
1451 u16 pci_vendor_id;
1452 struct acpi_generic_address address;
1453 u16 max_count; /* Maximum counter value supported */
1454 u16 min_count; /* Minimum counter value supported */
1455 u16 period;
1456 u16 status;
1457 u16 capability;
1458 };
1459
1460 /* Flags for Status field above */
1461
1462 #define ACPI_WDDT_AVAILABLE (1)
1463 #define ACPI_WDDT_ACTIVE (1<<1)
1464 #define ACPI_WDDT_TCO_OS_OWNED (1<<2)
1465 #define ACPI_WDDT_USER_RESET (1<<11)
1466 #define ACPI_WDDT_WDT_RESET (1<<12)
1467 #define ACPI_WDDT_POWER_FAIL (1<<13)
1468 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
1469
1470 /* Flags for Capability field above */
1471
1472 #define ACPI_WDDT_AUTO_RESET (1)
1473 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
1474
1475 /*******************************************************************************
1476 *
1477 * WDRT - Watchdog Resource Table
1478 * Version 1
1479 *
1480 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
1481 * Version 1.01, August 28, 2006
1482 *
1483 ******************************************************************************/
1484
1485 struct acpi_table_wdrt {
1486 struct acpi_table_header header; /* Common ACPI table header */
1487 struct acpi_generic_address control_register;
1488 struct acpi_generic_address count_register;
1489 u16 pci_device_id;
1490 u16 pci_vendor_id;
1491 u8 pci_bus; /* PCI Bus number */
1492 u8 pci_device; /* PCI Device number */
1493 u8 pci_function; /* PCI Function number */
1494 u8 pci_segment; /* PCI Segment number */
1495 u16 max_count; /* Maximum counter value supported */
1496 u8 units;
1497 };
1498
1499 /* Reset to default packing */
1500
1501 #pragma pack()
1502
1503 #endif /* __ACTBL2_H__ */
1504
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