xref: /openbmc/linux/include/acpi/actbl1.h (revision 9470114d)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: actbl1.h - Additional ACPI table definitions
5  *
6  * Copyright (C) 2000 - 2023, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACTBL1_H__
11 #define __ACTBL1_H__
12 
13 /*******************************************************************************
14  *
15  * Additional ACPI Tables
16  *
17  * These tables are not consumed directly by the ACPICA subsystem, but are
18  * included here to support device drivers and the AML disassembler.
19  *
20  ******************************************************************************/
21 
22 /*
23  * Values for description table header signatures for tables defined in this
24  * file. Useful because they make it more difficult to inadvertently type in
25  * the wrong signature.
26  */
27 #define ACPI_SIG_AEST           "AEST"	/* Arm Error Source Table */
28 #define ACPI_SIG_ASF            "ASF!"	/* Alert Standard Format table */
29 #define ACPI_SIG_ASPT           "ASPT"	/* AMD Secure Processor Table */
30 #define ACPI_SIG_BERT           "BERT"	/* Boot Error Record Table */
31 #define ACPI_SIG_BGRT           "BGRT"	/* Boot Graphics Resource Table */
32 #define ACPI_SIG_BOOT           "BOOT"	/* Simple Boot Flag Table */
33 #define ACPI_SIG_CEDT           "CEDT"	/* CXL Early Discovery Table */
34 #define ACPI_SIG_CPEP           "CPEP"	/* Corrected Platform Error Polling table */
35 #define ACPI_SIG_CSRT           "CSRT"	/* Core System Resource Table */
36 #define ACPI_SIG_DBG2           "DBG2"	/* Debug Port table type 2 */
37 #define ACPI_SIG_DBGP           "DBGP"	/* Debug Port table */
38 #define ACPI_SIG_DMAR           "DMAR"	/* DMA Remapping table */
39 #define ACPI_SIG_DRTM           "DRTM"	/* Dynamic Root of Trust for Measurement table */
40 #define ACPI_SIG_ECDT           "ECDT"	/* Embedded Controller Boot Resources Table */
41 #define ACPI_SIG_EINJ           "EINJ"	/* Error Injection table */
42 #define ACPI_SIG_ERST           "ERST"	/* Error Record Serialization Table */
43 #define ACPI_SIG_FPDT           "FPDT"	/* Firmware Performance Data Table */
44 #define ACPI_SIG_GTDT           "GTDT"	/* Generic Timer Description Table */
45 #define ACPI_SIG_HEST           "HEST"	/* Hardware Error Source Table */
46 #define ACPI_SIG_HMAT           "HMAT"	/* Heterogeneous Memory Attributes Table */
47 #define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
48 #define ACPI_SIG_IBFT           "IBFT"	/* iSCSI Boot Firmware Table */
49 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics Table */
50 
51 #define ACPI_SIG_S3PT           "S3PT"	/* S3 Performance (sub)Table */
52 #define ACPI_SIG_PCCS           "PCC"	/* PCC Shared Memory Region */
53 
54 #define ACPI_SIG_NBFT		"NBFT"	/* NVMe Boot Firmware Table */
55 
56 /* Reserved table signatures */
57 
58 #define ACPI_SIG_MATR           "MATR"	/* Memory Address Translation Table */
59 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
60 
61 /*
62  * These tables have been seen in the field, but no definition has been found
63  */
64 #ifdef ACPI_UNDEFINED_TABLES
65 #define ACPI_SIG_ATKG           "ATKG"
66 #define ACPI_SIG_GSCI           "GSCI"	/* GMCH SCI table */
67 #define ACPI_SIG_IEIT           "IEIT"
68 #endif
69 
70 /*
71  * All tables must be byte-packed to match the ACPI specification, since
72  * the tables are provided by the system BIOS.
73  */
74 #pragma pack(1)
75 
76 /*
77  * Note: C bitfields are not used for this reason:
78  *
79  * "Bitfields are great and easy to read, but unfortunately the C language
80  * does not specify the layout of bitfields in memory, which means they are
81  * essentially useless for dealing with packed data in on-disk formats or
82  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
83  * this decision was a design error in C. Ritchie could have picked an order
84  * and stuck with it." Norman Ramsey.
85  * See http://stackoverflow.com/a/1053662/41661
86  */
87 
88 /*******************************************************************************
89  *
90  * Common subtable headers
91  *
92  ******************************************************************************/
93 
94 /* Generic subtable header (used in MADT, SRAT, etc.) */
95 
96 struct acpi_subtable_header {
97 	u8 type;
98 	u8 length;
99 };
100 
101 /* Subtable header for WHEA tables (EINJ, ERST, WDAT) */
102 
103 struct acpi_whea_header {
104 	u8 action;
105 	u8 instruction;
106 	u8 flags;
107 	u8 reserved;
108 	struct acpi_generic_address register_region;
109 	u64 value;		/* Value used with Read/Write register */
110 	u64 mask;		/* Bitmask required for this register instruction */
111 };
112 
113 /* https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/acpitabl/ns-acpitabl-aspt_table */
114 #define ASPT_REVISION_ID 0x01
115 struct acpi_table_aspt {
116 	struct acpi_table_header header;
117 	u32 num_entries;
118 };
119 
120 struct acpi_aspt_header {
121 	u16 type;
122 	u16 length;
123 };
124 
125 enum acpi_aspt_type {
126 	ACPI_ASPT_TYPE_GLOBAL_REGS = 0,
127 	ACPI_ASPT_TYPE_SEV_MBOX_REGS = 1,
128 	ACPI_ASPT_TYPE_ACPI_MBOX_REGS = 2,
129 };
130 
131 /* 0: ASPT Global Registers */
132 struct acpi_aspt_global_regs {
133 	struct acpi_aspt_header header;
134 	u32 reserved;
135 	u64 feature_reg_addr;
136 	u64 irq_en_reg_addr;
137 	u64 irq_st_reg_addr;
138 };
139 
140 /* 1: ASPT SEV Mailbox Registers */
141 struct acpi_aspt_sev_mbox_regs {
142 	struct acpi_aspt_header header;
143 	u8 mbox_irq_id;
144 	u8 reserved[3];
145 	u64 cmd_resp_reg_addr;
146 	u64 cmd_buf_lo_reg_addr;
147 	u64 cmd_buf_hi_reg_addr;
148 };
149 
150 /* 2: ASPT ACPI Mailbox Registers */
151 struct acpi_aspt_acpi_mbox_regs {
152 	struct acpi_aspt_header header;
153 	u32 reserved1;
154 	u64 cmd_resp_reg_addr;
155 	u64 reserved2[2];
156 };
157 
158 /*******************************************************************************
159  *
160  * ASF - Alert Standard Format table (Signature "ASF!")
161  *       Revision 0x10
162  *
163  * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
164  *
165  ******************************************************************************/
166 
167 struct acpi_table_asf {
168 	struct acpi_table_header header;	/* Common ACPI table header */
169 };
170 
171 /* ASF subtable header */
172 
173 struct acpi_asf_header {
174 	u8 type;
175 	u8 reserved;
176 	u16 length;
177 };
178 
179 /* Values for Type field above */
180 
181 enum acpi_asf_type {
182 	ACPI_ASF_TYPE_INFO = 0,
183 	ACPI_ASF_TYPE_ALERT = 1,
184 	ACPI_ASF_TYPE_CONTROL = 2,
185 	ACPI_ASF_TYPE_BOOT = 3,
186 	ACPI_ASF_TYPE_ADDRESS = 4,
187 	ACPI_ASF_TYPE_RESERVED = 5
188 };
189 
190 /*
191  * ASF subtables
192  */
193 
194 /* 0: ASF Information */
195 
196 struct acpi_asf_info {
197 	struct acpi_asf_header header;
198 	u8 min_reset_value;
199 	u8 min_poll_interval;
200 	u16 system_id;
201 	u32 mfg_id;
202 	u8 flags;
203 	u8 reserved2[3];
204 };
205 
206 /* Masks for Flags field above */
207 
208 #define ACPI_ASF_SMBUS_PROTOCOLS    (1)
209 
210 /* 1: ASF Alerts */
211 
212 struct acpi_asf_alert {
213 	struct acpi_asf_header header;
214 	u8 assert_mask;
215 	u8 deassert_mask;
216 	u8 alerts;
217 	u8 data_length;
218 };
219 
220 struct acpi_asf_alert_data {
221 	u8 address;
222 	u8 command;
223 	u8 mask;
224 	u8 value;
225 	u8 sensor_type;
226 	u8 type;
227 	u8 offset;
228 	u8 source_type;
229 	u8 severity;
230 	u8 sensor_number;
231 	u8 entity;
232 	u8 instance;
233 };
234 
235 /* 2: ASF Remote Control */
236 
237 struct acpi_asf_remote {
238 	struct acpi_asf_header header;
239 	u8 controls;
240 	u8 data_length;
241 	u16 reserved2;
242 };
243 
244 struct acpi_asf_control_data {
245 	u8 function;
246 	u8 address;
247 	u8 command;
248 	u8 value;
249 };
250 
251 /* 3: ASF RMCP Boot Options */
252 
253 struct acpi_asf_rmcp {
254 	struct acpi_asf_header header;
255 	u8 capabilities[7];
256 	u8 completion_code;
257 	u32 enterprise_id;
258 	u8 command;
259 	u16 parameter;
260 	u16 boot_options;
261 	u16 oem_parameters;
262 };
263 
264 /* 4: ASF Address */
265 
266 struct acpi_asf_address {
267 	struct acpi_asf_header header;
268 	u8 eprom_address;
269 	u8 devices;
270 };
271 
272 /*******************************************************************************
273  *
274  * BERT - Boot Error Record Table (ACPI 4.0)
275  *        Version 1
276  *
277  ******************************************************************************/
278 
279 struct acpi_table_bert {
280 	struct acpi_table_header header;	/* Common ACPI table header */
281 	u32 region_length;	/* Length of the boot error region */
282 	u64 address;		/* Physical address of the error region */
283 };
284 
285 /* Boot Error Region (not a subtable, pointed to by Address field above) */
286 
287 struct acpi_bert_region {
288 	u32 block_status;	/* Type of error information */
289 	u32 raw_data_offset;	/* Offset to raw error data */
290 	u32 raw_data_length;	/* Length of raw error data */
291 	u32 data_length;	/* Length of generic error data */
292 	u32 error_severity;	/* Severity code */
293 };
294 
295 /* Values for block_status flags above */
296 
297 #define ACPI_BERT_UNCORRECTABLE             (1)
298 #define ACPI_BERT_CORRECTABLE               (1<<1)
299 #define ACPI_BERT_MULTIPLE_UNCORRECTABLE    (1<<2)
300 #define ACPI_BERT_MULTIPLE_CORRECTABLE      (1<<3)
301 #define ACPI_BERT_ERROR_ENTRY_COUNT         (0xFF<<4)	/* 8 bits, error count */
302 
303 /* Values for error_severity above */
304 
305 enum acpi_bert_error_severity {
306 	ACPI_BERT_ERROR_CORRECTABLE = 0,
307 	ACPI_BERT_ERROR_FATAL = 1,
308 	ACPI_BERT_ERROR_CORRECTED = 2,
309 	ACPI_BERT_ERROR_NONE = 3,
310 	ACPI_BERT_ERROR_RESERVED = 4	/* 4 and greater are reserved */
311 };
312 
313 /*
314  * Note: The generic error data that follows the error_severity field above
315  * uses the struct acpi_hest_generic_data defined under the HEST table below
316  */
317 
318 /*******************************************************************************
319  *
320  * BGRT - Boot Graphics Resource Table (ACPI 5.0)
321  *        Version 1
322  *
323  ******************************************************************************/
324 
325 struct acpi_table_bgrt {
326 	struct acpi_table_header header;	/* Common ACPI table header */
327 	u16 version;
328 	u8 status;
329 	u8 image_type;
330 	u64 image_address;
331 	u32 image_offset_x;
332 	u32 image_offset_y;
333 };
334 
335 /* Flags for Status field above */
336 
337 #define ACPI_BGRT_DISPLAYED                 (1)
338 #define ACPI_BGRT_ORIENTATION_OFFSET        (3 << 1)
339 
340 /*******************************************************************************
341  *
342  * BOOT - Simple Boot Flag Table
343  *        Version 1
344  *
345  * Conforms to the "Simple Boot Flag Specification", Version 2.1
346  *
347  ******************************************************************************/
348 
349 struct acpi_table_boot {
350 	struct acpi_table_header header;	/* Common ACPI table header */
351 	u8 cmos_index;		/* Index in CMOS RAM for the boot register */
352 	u8 reserved[3];
353 };
354 
355 /*******************************************************************************
356  *
357  * CDAT - Coherent Device Attribute Table
358  *        Version 1
359  *
360  * Conforms to the "Coherent Device Attribute Table (CDAT) Specification
361  " (Revision 1.01, October 2020.)
362  *
363  ******************************************************************************/
364 
365 struct acpi_table_cdat {
366 	u32 length;		/* Length of table in bytes, including this header */
367 	u8 revision;		/* ACPI Specification minor version number */
368 	u8 checksum;		/* To make sum of entire table == 0 */
369 	u8 reserved[6];
370 	u32 sequence;		/* Used to detect runtime CDAT table changes */
371 };
372 
373 /* CDAT common subtable header */
374 
375 struct acpi_cdat_header {
376 	u8 type;
377 	u8 reserved;
378 	u16 length;
379 };
380 
381 /* Values for Type field above */
382 
383 enum acpi_cdat_type {
384 	ACPI_CDAT_TYPE_DSMAS = 0,
385 	ACPI_CDAT_TYPE_DSLBIS = 1,
386 	ACPI_CDAT_TYPE_DSMSCIS = 2,
387 	ACPI_CDAT_TYPE_DSIS = 3,
388 	ACPI_CDAT_TYPE_DSEMTS = 4,
389 	ACPI_CDAT_TYPE_SSLBIS = 5,
390 	ACPI_CDAT_TYPE_RESERVED = 6	/* 6 through 0xFF are reserved */
391 };
392 
393 /* Subtable 0: Device Scoped Memory Affinity Structure (DSMAS) */
394 
395 struct acpi_cdat_dsmas {
396 	u8 dsmad_handle;
397 	u8 flags;
398 	u16 reserved;
399 	u64 dpa_base_address;
400 	u64 dpa_length;
401 };
402 
403 /* Flags for subtable above */
404 
405 #define ACPI_CDAT_DSMAS_NON_VOLATILE        (1 << 2)
406 
407 /* Subtable 1: Device scoped Latency and Bandwidth Information Structure (DSLBIS) */
408 
409 struct acpi_cdat_dslbis {
410 	u8 handle;
411 	u8 flags;		/* If Handle matches a DSMAS handle, the definition of this field matches
412 				 * Flags field in HMAT System Locality Latency */
413 	u8 data_type;
414 	u8 reserved;
415 	u64 entry_base_unit;
416 	u16 entry[3];
417 	u16 reserved2;
418 };
419 
420 /* Subtable 2: Device Scoped Memory Side Cache Information Structure (DSMSCIS) */
421 
422 struct acpi_cdat_dsmscis {
423 	u8 dsmas_handle;
424 	u8 reserved[3];
425 	u64 side_cache_size;
426 	u32 cache_attributes;
427 };
428 
429 /* Subtable 3: Device Scoped Initiator Structure (DSIS) */
430 
431 struct acpi_cdat_dsis {
432 	u8 flags;
433 	u8 handle;
434 	u16 reserved;
435 };
436 
437 /* Flags for above subtable */
438 
439 #define ACPI_CDAT_DSIS_MEM_ATTACHED         (1 << 0)
440 
441 /* Subtable 4: Device Scoped EFI Memory Type Structure (DSEMTS) */
442 
443 struct acpi_cdat_dsemts {
444 	u8 dsmas_handle;
445 	u8 memory_type;
446 	u16 reserved;
447 	u64 dpa_offset;
448 	u64 range_length;
449 };
450 
451 /* Subtable 5: Switch Scoped Latency and Bandwidth Information Structure (SSLBIS) */
452 
453 struct acpi_cdat_sslbis {
454 	u8 data_type;
455 	u8 reserved[3];
456 	u64 entry_base_unit;
457 };
458 
459 /* Sub-subtable for above, sslbe_entries field */
460 
461 struct acpi_cdat_sslbe {
462 	u16 portx_id;
463 	u16 porty_id;
464 	u16 latency_or_bandwidth;
465 	u16 reserved;
466 };
467 
468 /*******************************************************************************
469  *
470  * CEDT - CXL Early Discovery Table
471  *        Version 1
472  *
473  * Conforms to the "CXL Early Discovery Table" (CXL 2.0, October 2020)
474  *
475  ******************************************************************************/
476 
477 struct acpi_table_cedt {
478 	struct acpi_table_header header;	/* Common ACPI table header */
479 };
480 
481 /* CEDT subtable header (Performance Record Structure) */
482 
483 struct acpi_cedt_header {
484 	u8 type;
485 	u8 reserved;
486 	u16 length;
487 };
488 
489 /* Values for Type field above */
490 
491 enum acpi_cedt_type {
492 	ACPI_CEDT_TYPE_CHBS = 0,
493 	ACPI_CEDT_TYPE_CFMWS = 1,
494 	ACPI_CEDT_TYPE_CXIMS = 2,
495 	ACPI_CEDT_TYPE_RDPAS = 3,
496 	ACPI_CEDT_TYPE_RESERVED = 4,
497 };
498 
499 /* Values for version field above */
500 
501 #define ACPI_CEDT_CHBS_VERSION_CXL11    (0)
502 #define ACPI_CEDT_CHBS_VERSION_CXL20    (1)
503 
504 /* Values for length field above */
505 
506 #define ACPI_CEDT_CHBS_LENGTH_CXL11     (0x2000)
507 #define ACPI_CEDT_CHBS_LENGTH_CXL20     (0x10000)
508 
509 /*
510  * CEDT subtables
511  */
512 
513 /* 0: CXL Host Bridge Structure */
514 
515 struct acpi_cedt_chbs {
516 	struct acpi_cedt_header header;
517 	u32 uid;
518 	u32 cxl_version;
519 	u32 reserved;
520 	u64 base;
521 	u64 length;
522 };
523 
524 /* 1: CXL Fixed Memory Window Structure */
525 
526 struct acpi_cedt_cfmws {
527 	struct acpi_cedt_header header;
528 	u32 reserved1;
529 	u64 base_hpa;
530 	u64 window_size;
531 	u8 interleave_ways;
532 	u8 interleave_arithmetic;
533 	u16 reserved2;
534 	u32 granularity;
535 	u16 restrictions;
536 	u16 qtg_id;
537 	u32 interleave_targets[];
538 };
539 
540 struct acpi_cedt_cfmws_target_element {
541 	u32 interleave_target;
542 };
543 
544 /* Values for Interleave Arithmetic field above */
545 
546 #define ACPI_CEDT_CFMWS_ARITHMETIC_MODULO   (0)
547 #define ACPI_CEDT_CFMWS_ARITHMETIC_XOR      (1)
548 
549 /* Values for Restrictions field above */
550 
551 #define ACPI_CEDT_CFMWS_RESTRICT_TYPE2      (1)
552 #define ACPI_CEDT_CFMWS_RESTRICT_TYPE3      (1<<1)
553 #define ACPI_CEDT_CFMWS_RESTRICT_VOLATILE   (1<<2)
554 #define ACPI_CEDT_CFMWS_RESTRICT_PMEM       (1<<3)
555 #define ACPI_CEDT_CFMWS_RESTRICT_FIXED      (1<<4)
556 
557 /* 2: CXL XOR Interleave Math Structure */
558 
559 struct acpi_cedt_cxims {
560 	struct acpi_cedt_header header;
561 	u16 reserved1;
562 	u8 hbig;
563 	u8 nr_xormaps;
564 	u64 xormap_list[];
565 };
566 
567 /* 3: CXL RCEC Downstream Port Association Structure */
568 
569 struct acpi_cedt_rdpas {
570 	struct acpi_cedt_header header;
571 	u8 reserved1;
572 	u16 length;
573 	u16 segment;
574 	u16 bdf;
575 	u8 protocol;
576 	u64 address;
577 };
578 
579 /* Masks for bdf field above */
580 #define ACPI_CEDT_RDPAS_BUS_MASK            0xff00
581 #define ACPI_CEDT_RDPAS_DEVICE_MASK         0x00f8
582 #define ACPI_CEDT_RDPAS_FUNCTION_MASK       0x0007
583 
584 #define ACPI_CEDT_RDPAS_PROTOCOL_IO        (0)
585 #define ACPI_CEDT_RDPAS_PROTOCOL_CACHEMEM  (1)
586 
587 /*******************************************************************************
588  *
589  * CPEP - Corrected Platform Error Polling table (ACPI 4.0)
590  *        Version 1
591  *
592  ******************************************************************************/
593 
594 struct acpi_table_cpep {
595 	struct acpi_table_header header;	/* Common ACPI table header */
596 	u64 reserved;
597 };
598 
599 /* Subtable */
600 
601 struct acpi_cpep_polling {
602 	struct acpi_subtable_header header;
603 	u8 id;			/* Processor ID */
604 	u8 eid;			/* Processor EID */
605 	u32 interval;		/* Polling interval (msec) */
606 };
607 
608 /*******************************************************************************
609  *
610  * CSRT - Core System Resource Table
611  *        Version 0
612  *
613  * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011
614  *
615  ******************************************************************************/
616 
617 struct acpi_table_csrt {
618 	struct acpi_table_header header;	/* Common ACPI table header */
619 };
620 
621 /* Resource Group subtable */
622 
623 struct acpi_csrt_group {
624 	u32 length;
625 	u32 vendor_id;
626 	u32 subvendor_id;
627 	u16 device_id;
628 	u16 subdevice_id;
629 	u16 revision;
630 	u16 reserved;
631 	u32 shared_info_length;
632 
633 	/* Shared data immediately follows (Length = shared_info_length) */
634 };
635 
636 /* Shared Info subtable */
637 
638 struct acpi_csrt_shared_info {
639 	u16 major_version;
640 	u16 minor_version;
641 	u32 mmio_base_low;
642 	u32 mmio_base_high;
643 	u32 gsi_interrupt;
644 	u8 interrupt_polarity;
645 	u8 interrupt_mode;
646 	u8 num_channels;
647 	u8 dma_address_width;
648 	u16 base_request_line;
649 	u16 num_handshake_signals;
650 	u32 max_block_size;
651 
652 	/* Resource descriptors immediately follow (Length = Group length - shared_info_length) */
653 };
654 
655 /* Resource Descriptor subtable */
656 
657 struct acpi_csrt_descriptor {
658 	u32 length;
659 	u16 type;
660 	u16 subtype;
661 	u32 uid;
662 
663 	/* Resource-specific information immediately follows */
664 };
665 
666 /* Resource Types */
667 
668 #define ACPI_CSRT_TYPE_INTERRUPT    0x0001
669 #define ACPI_CSRT_TYPE_TIMER        0x0002
670 #define ACPI_CSRT_TYPE_DMA          0x0003
671 
672 /* Resource Subtypes */
673 
674 #define ACPI_CSRT_XRUPT_LINE        0x0000
675 #define ACPI_CSRT_XRUPT_CONTROLLER  0x0001
676 #define ACPI_CSRT_TIMER             0x0000
677 #define ACPI_CSRT_DMA_CHANNEL       0x0000
678 #define ACPI_CSRT_DMA_CONTROLLER    0x0001
679 
680 /*******************************************************************************
681  *
682  * DBG2 - Debug Port Table 2
683  *        Version 0 (Both main table and subtables)
684  *
685  * Conforms to "Microsoft Debug Port Table 2 (DBG2)", September 21, 2020
686  *
687  ******************************************************************************/
688 
689 struct acpi_table_dbg2 {
690 	struct acpi_table_header header;	/* Common ACPI table header */
691 	u32 info_offset;
692 	u32 info_count;
693 };
694 
695 struct acpi_dbg2_header {
696 	u32 info_offset;
697 	u32 info_count;
698 };
699 
700 /* Debug Device Information Subtable */
701 
702 struct acpi_dbg2_device {
703 	u8 revision;
704 	u16 length;
705 	u8 register_count;	/* Number of base_address registers */
706 	u16 namepath_length;
707 	u16 namepath_offset;
708 	u16 oem_data_length;
709 	u16 oem_data_offset;
710 	u16 port_type;
711 	u16 port_subtype;
712 	u16 reserved;
713 	u16 base_address_offset;
714 	u16 address_size_offset;
715 	/*
716 	 * Data that follows:
717 	 *    base_address (required) - Each in 12-byte Generic Address Structure format.
718 	 *    address_size (required) - Array of u32 sizes corresponding to each base_address register.
719 	 *    Namepath    (required) - Null terminated string. Single dot if not supported.
720 	 *    oem_data    (optional) - Length is oem_data_length.
721 	 */
722 };
723 
724 /* Types for port_type field above */
725 
726 #define ACPI_DBG2_SERIAL_PORT       0x8000
727 #define ACPI_DBG2_1394_PORT         0x8001
728 #define ACPI_DBG2_USB_PORT          0x8002
729 #define ACPI_DBG2_NET_PORT          0x8003
730 
731 /* Subtypes for port_subtype field above */
732 
733 #define ACPI_DBG2_16550_COMPATIBLE  0x0000
734 #define ACPI_DBG2_16550_SUBSET      0x0001
735 #define ACPI_DBG2_MAX311XE_SPI      0x0002
736 #define ACPI_DBG2_ARM_PL011         0x0003
737 #define ACPI_DBG2_MSM8X60           0x0004
738 #define ACPI_DBG2_16550_NVIDIA      0x0005
739 #define ACPI_DBG2_TI_OMAP           0x0006
740 #define ACPI_DBG2_APM88XXXX         0x0008
741 #define ACPI_DBG2_MSM8974           0x0009
742 #define ACPI_DBG2_SAM5250           0x000A
743 #define ACPI_DBG2_INTEL_USIF        0x000B
744 #define ACPI_DBG2_IMX6              0x000C
745 #define ACPI_DBG2_ARM_SBSA_32BIT    0x000D
746 #define ACPI_DBG2_ARM_SBSA_GENERIC  0x000E
747 #define ACPI_DBG2_ARM_DCC           0x000F
748 #define ACPI_DBG2_BCM2835           0x0010
749 #define ACPI_DBG2_SDM845_1_8432MHZ  0x0011
750 #define ACPI_DBG2_16550_WITH_GAS    0x0012
751 #define ACPI_DBG2_SDM845_7_372MHZ   0x0013
752 #define ACPI_DBG2_INTEL_LPSS        0x0014
753 
754 #define ACPI_DBG2_1394_STANDARD     0x0000
755 
756 #define ACPI_DBG2_USB_XHCI          0x0000
757 #define ACPI_DBG2_USB_EHCI          0x0001
758 
759 /*******************************************************************************
760  *
761  * DBGP - Debug Port table
762  *        Version 1
763  *
764  * Conforms to the "Debug Port Specification", Version 1.00, 2/9/2000
765  *
766  ******************************************************************************/
767 
768 struct acpi_table_dbgp {
769 	struct acpi_table_header header;	/* Common ACPI table header */
770 	u8 type;		/* 0=full 16550, 1=subset of 16550 */
771 	u8 reserved[3];
772 	struct acpi_generic_address debug_port;
773 };
774 
775 /*******************************************************************************
776  *
777  * DMAR - DMA Remapping table
778  *        Version 1
779  *
780  * Conforms to "Intel Virtualization Technology for Directed I/O",
781  * Version 2.3, October 2014
782  *
783  ******************************************************************************/
784 
785 struct acpi_table_dmar {
786 	struct acpi_table_header header;	/* Common ACPI table header */
787 	u8 width;		/* Host Address Width */
788 	u8 flags;
789 	u8 reserved[10];
790 };
791 
792 /* Masks for Flags field above */
793 
794 #define ACPI_DMAR_INTR_REMAP        (1)
795 #define ACPI_DMAR_X2APIC_OPT_OUT    (1<<1)
796 #define ACPI_DMAR_X2APIC_MODE       (1<<2)
797 
798 /* DMAR subtable header */
799 
800 struct acpi_dmar_header {
801 	u16 type;
802 	u16 length;
803 };
804 
805 /* Values for subtable type in struct acpi_dmar_header */
806 
807 enum acpi_dmar_type {
808 	ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
809 	ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
810 	ACPI_DMAR_TYPE_ROOT_ATS = 2,
811 	ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,
812 	ACPI_DMAR_TYPE_NAMESPACE = 4,
813 	ACPI_DMAR_TYPE_SATC = 5,
814 	ACPI_DMAR_TYPE_RESERVED = 6	/* 6 and greater are reserved */
815 };
816 
817 /* DMAR Device Scope structure */
818 
819 struct acpi_dmar_device_scope {
820 	u8 entry_type;
821 	u8 length;
822 	u16 reserved;
823 	u8 enumeration_id;
824 	u8 bus;
825 };
826 
827 /* Values for entry_type in struct acpi_dmar_device_scope - device types */
828 
829 enum acpi_dmar_scope_type {
830 	ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
831 	ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
832 	ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
833 	ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3,
834 	ACPI_DMAR_SCOPE_TYPE_HPET = 4,
835 	ACPI_DMAR_SCOPE_TYPE_NAMESPACE = 5,
836 	ACPI_DMAR_SCOPE_TYPE_RESERVED = 6	/* 6 and greater are reserved */
837 };
838 
839 struct acpi_dmar_pci_path {
840 	u8 device;
841 	u8 function;
842 };
843 
844 /*
845  * DMAR Subtables, correspond to Type in struct acpi_dmar_header
846  */
847 
848 /* 0: Hardware Unit Definition */
849 
850 struct acpi_dmar_hardware_unit {
851 	struct acpi_dmar_header header;
852 	u8 flags;
853 	u8 size;		/* Size of the register set */
854 	u16 segment;
855 	u64 address;		/* Register Base Address */
856 };
857 
858 /* Masks for Flags field above */
859 
860 #define ACPI_DMAR_INCLUDE_ALL       (1)
861 
862 /* 1: Reserved Memory Definition */
863 
864 struct acpi_dmar_reserved_memory {
865 	struct acpi_dmar_header header;
866 	u16 reserved;
867 	u16 segment;
868 	u64 base_address;	/* 4K aligned base address */
869 	u64 end_address;	/* 4K aligned limit address */
870 };
871 
872 /* Masks for Flags field above */
873 
874 #define ACPI_DMAR_ALLOW_ALL         (1)
875 
876 /* 2: Root Port ATS Capability Reporting Structure */
877 
878 struct acpi_dmar_atsr {
879 	struct acpi_dmar_header header;
880 	u8 flags;
881 	u8 reserved;
882 	u16 segment;
883 };
884 
885 /* Masks for Flags field above */
886 
887 #define ACPI_DMAR_ALL_PORTS         (1)
888 
889 /* 3: Remapping Hardware Static Affinity Structure */
890 
891 struct acpi_dmar_rhsa {
892 	struct acpi_dmar_header header;
893 	u32 reserved;
894 	u64 base_address;
895 	u32 proximity_domain;
896 };
897 
898 /* 4: ACPI Namespace Device Declaration Structure */
899 
900 struct acpi_dmar_andd {
901 	struct acpi_dmar_header header;
902 	u8 reserved[3];
903 	u8 device_number;
904 	union {
905 		char __pad;
906 		 ACPI_FLEX_ARRAY(char, device_name);
907 	};
908 };
909 
910 /* 5: SOC Integrated Address Translation Cache Reporting Structure */
911 
912 struct acpi_dmar_satc {
913 	struct acpi_dmar_header header;
914 	u8 flags;
915 	u8 reserved;
916 	u16 segment;
917 };
918 /*******************************************************************************
919  *
920  * DRTM - Dynamic Root of Trust for Measurement table
921  * Conforms to "TCG D-RTM Architecture" June 17 2013, Version 1.0.0
922  * Table version 1
923  *
924  ******************************************************************************/
925 
926 struct acpi_table_drtm {
927 	struct acpi_table_header header;	/* Common ACPI table header */
928 	u64 entry_base_address;
929 	u64 entry_length;
930 	u32 entry_address32;
931 	u64 entry_address64;
932 	u64 exit_address;
933 	u64 log_area_address;
934 	u32 log_area_length;
935 	u64 arch_dependent_address;
936 	u32 flags;
937 };
938 
939 /* Flag Definitions for above */
940 
941 #define ACPI_DRTM_ACCESS_ALLOWED            (1)
942 #define ACPI_DRTM_ENABLE_GAP_CODE           (1<<1)
943 #define ACPI_DRTM_INCOMPLETE_MEASUREMENTS   (1<<2)
944 #define ACPI_DRTM_AUTHORITY_ORDER           (1<<3)
945 
946 /* 1) Validated Tables List (64-bit addresses) */
947 
948 struct acpi_drtm_vtable_list {
949 	u32 validated_table_count;
950 	u64 validated_tables[];
951 };
952 
953 /* 2) Resources List (of Resource Descriptors) */
954 
955 /* Resource Descriptor */
956 
957 struct acpi_drtm_resource {
958 	u8 size[7];
959 	u8 type;
960 	u64 address;
961 };
962 
963 struct acpi_drtm_resource_list {
964 	u32 resource_count;
965 	struct acpi_drtm_resource resources[];
966 };
967 
968 /* 3) Platform-specific Identifiers List */
969 
970 struct acpi_drtm_dps_id {
971 	u32 dps_id_length;
972 	u8 dps_id[16];
973 };
974 
975 /*******************************************************************************
976  *
977  * ECDT - Embedded Controller Boot Resources Table
978  *        Version 1
979  *
980  ******************************************************************************/
981 
982 struct acpi_table_ecdt {
983 	struct acpi_table_header header;	/* Common ACPI table header */
984 	struct acpi_generic_address control;	/* Address of EC command/status register */
985 	struct acpi_generic_address data;	/* Address of EC data register */
986 	u32 uid;		/* Unique ID - must be same as the EC _UID method */
987 	u8 gpe;			/* The GPE for the EC */
988 	u8 id[];		/* Full namepath of the EC in the ACPI namespace */
989 };
990 
991 /*******************************************************************************
992  *
993  * EINJ - Error Injection Table (ACPI 4.0)
994  *        Version 1
995  *
996  ******************************************************************************/
997 
998 struct acpi_table_einj {
999 	struct acpi_table_header header;	/* Common ACPI table header */
1000 	u32 header_length;
1001 	u8 flags;
1002 	u8 reserved[3];
1003 	u32 entries;
1004 };
1005 
1006 /* EINJ Injection Instruction Entries (actions) */
1007 
1008 struct acpi_einj_entry {
1009 	struct acpi_whea_header whea_header;	/* Common header for WHEA tables */
1010 };
1011 
1012 /* Masks for Flags field above */
1013 
1014 #define ACPI_EINJ_PRESERVE          (1)
1015 
1016 /* Values for Action field above */
1017 
1018 enum acpi_einj_actions {
1019 	ACPI_EINJ_BEGIN_OPERATION = 0,
1020 	ACPI_EINJ_GET_TRIGGER_TABLE = 1,
1021 	ACPI_EINJ_SET_ERROR_TYPE = 2,
1022 	ACPI_EINJ_GET_ERROR_TYPE = 3,
1023 	ACPI_EINJ_END_OPERATION = 4,
1024 	ACPI_EINJ_EXECUTE_OPERATION = 5,
1025 	ACPI_EINJ_CHECK_BUSY_STATUS = 6,
1026 	ACPI_EINJ_GET_COMMAND_STATUS = 7,
1027 	ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS = 8,
1028 	ACPI_EINJ_GET_EXECUTE_TIMINGS = 9,
1029 	ACPI_EINJ_ACTION_RESERVED = 10,	/* 10 and greater are reserved */
1030 	ACPI_EINJ_TRIGGER_ERROR = 0xFF	/* Except for this value */
1031 };
1032 
1033 /* Values for Instruction field above */
1034 
1035 enum acpi_einj_instructions {
1036 	ACPI_EINJ_READ_REGISTER = 0,
1037 	ACPI_EINJ_READ_REGISTER_VALUE = 1,
1038 	ACPI_EINJ_WRITE_REGISTER = 2,
1039 	ACPI_EINJ_WRITE_REGISTER_VALUE = 3,
1040 	ACPI_EINJ_NOOP = 4,
1041 	ACPI_EINJ_FLUSH_CACHELINE = 5,
1042 	ACPI_EINJ_INSTRUCTION_RESERVED = 6	/* 6 and greater are reserved */
1043 };
1044 
1045 struct acpi_einj_error_type_with_addr {
1046 	u32 error_type;
1047 	u32 vendor_struct_offset;
1048 	u32 flags;
1049 	u32 apic_id;
1050 	u64 address;
1051 	u64 range;
1052 	u32 pcie_id;
1053 };
1054 
1055 struct acpi_einj_vendor {
1056 	u32 length;
1057 	u32 pcie_id;
1058 	u16 vendor_id;
1059 	u16 device_id;
1060 	u8 revision_id;
1061 	u8 reserved[3];
1062 };
1063 
1064 /* EINJ Trigger Error Action Table */
1065 
1066 struct acpi_einj_trigger {
1067 	u32 header_size;
1068 	u32 revision;
1069 	u32 table_size;
1070 	u32 entry_count;
1071 };
1072 
1073 /* Command status return values */
1074 
1075 enum acpi_einj_command_status {
1076 	ACPI_EINJ_SUCCESS = 0,
1077 	ACPI_EINJ_FAILURE = 1,
1078 	ACPI_EINJ_INVALID_ACCESS = 2,
1079 	ACPI_EINJ_STATUS_RESERVED = 3	/* 3 and greater are reserved */
1080 };
1081 
1082 /* Error types returned from ACPI_EINJ_GET_ERROR_TYPE (bitfield) */
1083 
1084 #define ACPI_EINJ_PROCESSOR_CORRECTABLE     (1)
1085 #define ACPI_EINJ_PROCESSOR_UNCORRECTABLE   (1<<1)
1086 #define ACPI_EINJ_PROCESSOR_FATAL           (1<<2)
1087 #define ACPI_EINJ_MEMORY_CORRECTABLE        (1<<3)
1088 #define ACPI_EINJ_MEMORY_UNCORRECTABLE      (1<<4)
1089 #define ACPI_EINJ_MEMORY_FATAL              (1<<5)
1090 #define ACPI_EINJ_PCIX_CORRECTABLE          (1<<6)
1091 #define ACPI_EINJ_PCIX_UNCORRECTABLE        (1<<7)
1092 #define ACPI_EINJ_PCIX_FATAL                (1<<8)
1093 #define ACPI_EINJ_PLATFORM_CORRECTABLE      (1<<9)
1094 #define ACPI_EINJ_PLATFORM_UNCORRECTABLE    (1<<10)
1095 #define ACPI_EINJ_PLATFORM_FATAL            (1<<11)
1096 #define ACPI_EINJ_VENDOR_DEFINED            (1<<31)
1097 
1098 /*******************************************************************************
1099  *
1100  * ERST - Error Record Serialization Table (ACPI 4.0)
1101  *        Version 1
1102  *
1103  ******************************************************************************/
1104 
1105 struct acpi_table_erst {
1106 	struct acpi_table_header header;	/* Common ACPI table header */
1107 	u32 header_length;
1108 	u32 reserved;
1109 	u32 entries;
1110 };
1111 
1112 /* ERST Serialization Entries (actions) */
1113 
1114 struct acpi_erst_entry {
1115 	struct acpi_whea_header whea_header;	/* Common header for WHEA tables */
1116 };
1117 
1118 /* Masks for Flags field above */
1119 
1120 #define ACPI_ERST_PRESERVE          (1)
1121 
1122 /* Values for Action field above */
1123 
1124 enum acpi_erst_actions {
1125 	ACPI_ERST_BEGIN_WRITE = 0,
1126 	ACPI_ERST_BEGIN_READ = 1,
1127 	ACPI_ERST_BEGIN_CLEAR = 2,
1128 	ACPI_ERST_END = 3,
1129 	ACPI_ERST_SET_RECORD_OFFSET = 4,
1130 	ACPI_ERST_EXECUTE_OPERATION = 5,
1131 	ACPI_ERST_CHECK_BUSY_STATUS = 6,
1132 	ACPI_ERST_GET_COMMAND_STATUS = 7,
1133 	ACPI_ERST_GET_RECORD_ID = 8,
1134 	ACPI_ERST_SET_RECORD_ID = 9,
1135 	ACPI_ERST_GET_RECORD_COUNT = 10,
1136 	ACPI_ERST_BEGIN_DUMMY_WRIITE = 11,
1137 	ACPI_ERST_NOT_USED = 12,
1138 	ACPI_ERST_GET_ERROR_RANGE = 13,
1139 	ACPI_ERST_GET_ERROR_LENGTH = 14,
1140 	ACPI_ERST_GET_ERROR_ATTRIBUTES = 15,
1141 	ACPI_ERST_EXECUTE_TIMINGS = 16,
1142 	ACPI_ERST_ACTION_RESERVED = 17	/* 17 and greater are reserved */
1143 };
1144 
1145 /* Values for Instruction field above */
1146 
1147 enum acpi_erst_instructions {
1148 	ACPI_ERST_READ_REGISTER = 0,
1149 	ACPI_ERST_READ_REGISTER_VALUE = 1,
1150 	ACPI_ERST_WRITE_REGISTER = 2,
1151 	ACPI_ERST_WRITE_REGISTER_VALUE = 3,
1152 	ACPI_ERST_NOOP = 4,
1153 	ACPI_ERST_LOAD_VAR1 = 5,
1154 	ACPI_ERST_LOAD_VAR2 = 6,
1155 	ACPI_ERST_STORE_VAR1 = 7,
1156 	ACPI_ERST_ADD = 8,
1157 	ACPI_ERST_SUBTRACT = 9,
1158 	ACPI_ERST_ADD_VALUE = 10,
1159 	ACPI_ERST_SUBTRACT_VALUE = 11,
1160 	ACPI_ERST_STALL = 12,
1161 	ACPI_ERST_STALL_WHILE_TRUE = 13,
1162 	ACPI_ERST_SKIP_NEXT_IF_TRUE = 14,
1163 	ACPI_ERST_GOTO = 15,
1164 	ACPI_ERST_SET_SRC_ADDRESS_BASE = 16,
1165 	ACPI_ERST_SET_DST_ADDRESS_BASE = 17,
1166 	ACPI_ERST_MOVE_DATA = 18,
1167 	ACPI_ERST_INSTRUCTION_RESERVED = 19	/* 19 and greater are reserved */
1168 };
1169 
1170 /* Command status return values */
1171 
1172 enum acpi_erst_command_status {
1173 	ACPI_ERST_SUCCESS = 0,
1174 	ACPI_ERST_NO_SPACE = 1,
1175 	ACPI_ERST_NOT_AVAILABLE = 2,
1176 	ACPI_ERST_FAILURE = 3,
1177 	ACPI_ERST_RECORD_EMPTY = 4,
1178 	ACPI_ERST_NOT_FOUND = 5,
1179 	ACPI_ERST_STATUS_RESERVED = 6	/* 6 and greater are reserved */
1180 };
1181 
1182 /* Error Record Serialization Information */
1183 
1184 struct acpi_erst_info {
1185 	u16 signature;		/* Should be "ER" */
1186 	u8 data[48];
1187 };
1188 
1189 /*******************************************************************************
1190  *
1191  * FPDT - Firmware Performance Data Table (ACPI 5.0)
1192  *        Version 1
1193  *
1194  ******************************************************************************/
1195 
1196 struct acpi_table_fpdt {
1197 	struct acpi_table_header header;	/* Common ACPI table header */
1198 };
1199 
1200 /* FPDT subtable header (Performance Record Structure) */
1201 
1202 struct acpi_fpdt_header {
1203 	u16 type;
1204 	u8 length;
1205 	u8 revision;
1206 };
1207 
1208 /* Values for Type field above */
1209 
1210 enum acpi_fpdt_type {
1211 	ACPI_FPDT_TYPE_BOOT = 0,
1212 	ACPI_FPDT_TYPE_S3PERF = 1
1213 };
1214 
1215 /*
1216  * FPDT subtables
1217  */
1218 
1219 /* 0: Firmware Basic Boot Performance Record */
1220 
1221 struct acpi_fpdt_boot_pointer {
1222 	struct acpi_fpdt_header header;
1223 	u8 reserved[4];
1224 	u64 address;
1225 };
1226 
1227 /* 1: S3 Performance Table Pointer Record */
1228 
1229 struct acpi_fpdt_s3pt_pointer {
1230 	struct acpi_fpdt_header header;
1231 	u8 reserved[4];
1232 	u64 address;
1233 };
1234 
1235 /*
1236  * S3PT - S3 Performance Table. This table is pointed to by the
1237  * S3 Pointer Record above.
1238  */
1239 struct acpi_table_s3pt {
1240 	u8 signature[4];	/* "S3PT" */
1241 	u32 length;
1242 };
1243 
1244 /*
1245  * S3PT Subtables (Not part of the actual FPDT)
1246  */
1247 
1248 /* Values for Type field in S3PT header */
1249 
1250 enum acpi_s3pt_type {
1251 	ACPI_S3PT_TYPE_RESUME = 0,
1252 	ACPI_S3PT_TYPE_SUSPEND = 1,
1253 	ACPI_FPDT_BOOT_PERFORMANCE = 2
1254 };
1255 
1256 struct acpi_s3pt_resume {
1257 	struct acpi_fpdt_header header;
1258 	u32 resume_count;
1259 	u64 full_resume;
1260 	u64 average_resume;
1261 };
1262 
1263 struct acpi_s3pt_suspend {
1264 	struct acpi_fpdt_header header;
1265 	u64 suspend_start;
1266 	u64 suspend_end;
1267 };
1268 
1269 /*
1270  * FPDT Boot Performance Record (Not part of the actual FPDT)
1271  */
1272 struct acpi_fpdt_boot {
1273 	struct acpi_fpdt_header header;
1274 	u8 reserved[4];
1275 	u64 reset_end;
1276 	u64 load_start;
1277 	u64 startup_start;
1278 	u64 exit_services_entry;
1279 	u64 exit_services_exit;
1280 };
1281 
1282 /*******************************************************************************
1283  *
1284  * GTDT - Generic Timer Description Table (ACPI 5.1)
1285  *        Version 2
1286  *
1287  ******************************************************************************/
1288 
1289 struct acpi_table_gtdt {
1290 	struct acpi_table_header header;	/* Common ACPI table header */
1291 	u64 counter_block_addresss;
1292 	u32 reserved;
1293 	u32 secure_el1_interrupt;
1294 	u32 secure_el1_flags;
1295 	u32 non_secure_el1_interrupt;
1296 	u32 non_secure_el1_flags;
1297 	u32 virtual_timer_interrupt;
1298 	u32 virtual_timer_flags;
1299 	u32 non_secure_el2_interrupt;
1300 	u32 non_secure_el2_flags;
1301 	u64 counter_read_block_address;
1302 	u32 platform_timer_count;
1303 	u32 platform_timer_offset;
1304 };
1305 
1306 /* Flag Definitions: Timer Block Physical Timers and Virtual timers */
1307 
1308 #define ACPI_GTDT_INTERRUPT_MODE        (1)
1309 #define ACPI_GTDT_INTERRUPT_POLARITY    (1<<1)
1310 #define ACPI_GTDT_ALWAYS_ON             (1<<2)
1311 
1312 struct acpi_gtdt_el2 {
1313 	u32 virtual_el2_timer_gsiv;
1314 	u32 virtual_el2_timer_flags;
1315 };
1316 
1317 /* Common GTDT subtable header */
1318 
1319 struct acpi_gtdt_header {
1320 	u8 type;
1321 	u16 length;
1322 };
1323 
1324 /* Values for GTDT subtable type above */
1325 
1326 enum acpi_gtdt_type {
1327 	ACPI_GTDT_TYPE_TIMER_BLOCK = 0,
1328 	ACPI_GTDT_TYPE_WATCHDOG = 1,
1329 	ACPI_GTDT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
1330 };
1331 
1332 /* GTDT Subtables, correspond to Type in struct acpi_gtdt_header */
1333 
1334 /* 0: Generic Timer Block */
1335 
1336 struct acpi_gtdt_timer_block {
1337 	struct acpi_gtdt_header header;
1338 	u8 reserved;
1339 	u64 block_address;
1340 	u32 timer_count;
1341 	u32 timer_offset;
1342 };
1343 
1344 /* Timer Sub-Structure, one per timer */
1345 
1346 struct acpi_gtdt_timer_entry {
1347 	u8 frame_number;
1348 	u8 reserved[3];
1349 	u64 base_address;
1350 	u64 el0_base_address;
1351 	u32 timer_interrupt;
1352 	u32 timer_flags;
1353 	u32 virtual_timer_interrupt;
1354 	u32 virtual_timer_flags;
1355 	u32 common_flags;
1356 };
1357 
1358 /* Flag Definitions: timer_flags and virtual_timer_flags above */
1359 
1360 #define ACPI_GTDT_GT_IRQ_MODE               (1)
1361 #define ACPI_GTDT_GT_IRQ_POLARITY           (1<<1)
1362 
1363 /* Flag Definitions: common_flags above */
1364 
1365 #define ACPI_GTDT_GT_IS_SECURE_TIMER        (1)
1366 #define ACPI_GTDT_GT_ALWAYS_ON              (1<<1)
1367 
1368 /* 1: SBSA Generic Watchdog Structure */
1369 
1370 struct acpi_gtdt_watchdog {
1371 	struct acpi_gtdt_header header;
1372 	u8 reserved;
1373 	u64 refresh_frame_address;
1374 	u64 control_frame_address;
1375 	u32 timer_interrupt;
1376 	u32 timer_flags;
1377 };
1378 
1379 /* Flag Definitions: timer_flags above */
1380 
1381 #define ACPI_GTDT_WATCHDOG_IRQ_MODE         (1)
1382 #define ACPI_GTDT_WATCHDOG_IRQ_POLARITY     (1<<1)
1383 #define ACPI_GTDT_WATCHDOG_SECURE           (1<<2)
1384 
1385 /*******************************************************************************
1386  *
1387  * HEST - Hardware Error Source Table (ACPI 4.0)
1388  *        Version 1
1389  *
1390  ******************************************************************************/
1391 
1392 struct acpi_table_hest {
1393 	struct acpi_table_header header;	/* Common ACPI table header */
1394 	u32 error_source_count;
1395 };
1396 
1397 /* HEST subtable header */
1398 
1399 struct acpi_hest_header {
1400 	u16 type;
1401 	u16 source_id;
1402 };
1403 
1404 /* Values for Type field above for subtables */
1405 
1406 enum acpi_hest_types {
1407 	ACPI_HEST_TYPE_IA32_CHECK = 0,
1408 	ACPI_HEST_TYPE_IA32_CORRECTED_CHECK = 1,
1409 	ACPI_HEST_TYPE_IA32_NMI = 2,
1410 	ACPI_HEST_TYPE_NOT_USED3 = 3,
1411 	ACPI_HEST_TYPE_NOT_USED4 = 4,
1412 	ACPI_HEST_TYPE_NOT_USED5 = 5,
1413 	ACPI_HEST_TYPE_AER_ROOT_PORT = 6,
1414 	ACPI_HEST_TYPE_AER_ENDPOINT = 7,
1415 	ACPI_HEST_TYPE_AER_BRIDGE = 8,
1416 	ACPI_HEST_TYPE_GENERIC_ERROR = 9,
1417 	ACPI_HEST_TYPE_GENERIC_ERROR_V2 = 10,
1418 	ACPI_HEST_TYPE_IA32_DEFERRED_CHECK = 11,
1419 	ACPI_HEST_TYPE_RESERVED = 12	/* 12 and greater are reserved */
1420 };
1421 
1422 /*
1423  * HEST substructures contained in subtables
1424  */
1425 
1426 /*
1427  * IA32 Error Bank(s) - Follows the struct acpi_hest_ia_machine_check and
1428  * struct acpi_hest_ia_corrected structures.
1429  */
1430 struct acpi_hest_ia_error_bank {
1431 	u8 bank_number;
1432 	u8 clear_status_on_init;
1433 	u8 status_format;
1434 	u8 reserved;
1435 	u32 control_register;
1436 	u64 control_data;
1437 	u32 status_register;
1438 	u32 address_register;
1439 	u32 misc_register;
1440 };
1441 
1442 /* Common HEST sub-structure for PCI/AER structures below (6,7,8) */
1443 
1444 struct acpi_hest_aer_common {
1445 	u16 reserved1;
1446 	u8 flags;
1447 	u8 enabled;
1448 	u32 records_to_preallocate;
1449 	u32 max_sections_per_record;
1450 	u32 bus;		/* Bus and Segment numbers */
1451 	u16 device;
1452 	u16 function;
1453 	u16 device_control;
1454 	u16 reserved2;
1455 	u32 uncorrectable_mask;
1456 	u32 uncorrectable_severity;
1457 	u32 correctable_mask;
1458 	u32 advanced_capabilities;
1459 };
1460 
1461 /* Masks for HEST Flags fields */
1462 
1463 #define ACPI_HEST_FIRMWARE_FIRST        (1)
1464 #define ACPI_HEST_GLOBAL                (1<<1)
1465 #define ACPI_HEST_GHES_ASSIST           (1<<2)
1466 
1467 /*
1468  * Macros to access the bus/segment numbers in Bus field above:
1469  *  Bus number is encoded in bits 7:0
1470  *  Segment number is encoded in bits 23:8
1471  */
1472 #define ACPI_HEST_BUS(bus)              ((bus) & 0xFF)
1473 #define ACPI_HEST_SEGMENT(bus)          (((bus) >> 8) & 0xFFFF)
1474 
1475 /* Hardware Error Notification */
1476 
1477 struct acpi_hest_notify {
1478 	u8 type;
1479 	u8 length;
1480 	u16 config_write_enable;
1481 	u32 poll_interval;
1482 	u32 vector;
1483 	u32 polling_threshold_value;
1484 	u32 polling_threshold_window;
1485 	u32 error_threshold_value;
1486 	u32 error_threshold_window;
1487 };
1488 
1489 /* Values for Notify Type field above */
1490 
1491 enum acpi_hest_notify_types {
1492 	ACPI_HEST_NOTIFY_POLLED = 0,
1493 	ACPI_HEST_NOTIFY_EXTERNAL = 1,
1494 	ACPI_HEST_NOTIFY_LOCAL = 2,
1495 	ACPI_HEST_NOTIFY_SCI = 3,
1496 	ACPI_HEST_NOTIFY_NMI = 4,
1497 	ACPI_HEST_NOTIFY_CMCI = 5,	/* ACPI 5.0 */
1498 	ACPI_HEST_NOTIFY_MCE = 6,	/* ACPI 5.0 */
1499 	ACPI_HEST_NOTIFY_GPIO = 7,	/* ACPI 6.0 */
1500 	ACPI_HEST_NOTIFY_SEA = 8,	/* ACPI 6.1 */
1501 	ACPI_HEST_NOTIFY_SEI = 9,	/* ACPI 6.1 */
1502 	ACPI_HEST_NOTIFY_GSIV = 10,	/* ACPI 6.1 */
1503 	ACPI_HEST_NOTIFY_SOFTWARE_DELEGATED = 11,	/* ACPI 6.2 */
1504 	ACPI_HEST_NOTIFY_RESERVED = 12	/* 12 and greater are reserved */
1505 };
1506 
1507 /* Values for config_write_enable bitfield above */
1508 
1509 #define ACPI_HEST_TYPE                  (1)
1510 #define ACPI_HEST_POLL_INTERVAL         (1<<1)
1511 #define ACPI_HEST_POLL_THRESHOLD_VALUE  (1<<2)
1512 #define ACPI_HEST_POLL_THRESHOLD_WINDOW (1<<3)
1513 #define ACPI_HEST_ERR_THRESHOLD_VALUE   (1<<4)
1514 #define ACPI_HEST_ERR_THRESHOLD_WINDOW  (1<<5)
1515 
1516 /*
1517  * HEST subtables
1518  */
1519 
1520 /* 0: IA32 Machine Check Exception */
1521 
1522 struct acpi_hest_ia_machine_check {
1523 	struct acpi_hest_header header;
1524 	u16 reserved1;
1525 	u8 flags;		/* See flags ACPI_HEST_GLOBAL, etc. above */
1526 	u8 enabled;
1527 	u32 records_to_preallocate;
1528 	u32 max_sections_per_record;
1529 	u64 global_capability_data;
1530 	u64 global_control_data;
1531 	u8 num_hardware_banks;
1532 	u8 reserved3[7];
1533 };
1534 
1535 /* 1: IA32 Corrected Machine Check */
1536 
1537 struct acpi_hest_ia_corrected {
1538 	struct acpi_hest_header header;
1539 	u16 reserved1;
1540 	u8 flags;		/* See flags ACPI_HEST_GLOBAL, etc. above */
1541 	u8 enabled;
1542 	u32 records_to_preallocate;
1543 	u32 max_sections_per_record;
1544 	struct acpi_hest_notify notify;
1545 	u8 num_hardware_banks;
1546 	u8 reserved2[3];
1547 };
1548 
1549 /* 2: IA32 Non-Maskable Interrupt */
1550 
1551 struct acpi_hest_ia_nmi {
1552 	struct acpi_hest_header header;
1553 	u32 reserved;
1554 	u32 records_to_preallocate;
1555 	u32 max_sections_per_record;
1556 	u32 max_raw_data_length;
1557 };
1558 
1559 /* 3,4,5: Not used */
1560 
1561 /* 6: PCI Express Root Port AER */
1562 
1563 struct acpi_hest_aer_root {
1564 	struct acpi_hest_header header;
1565 	struct acpi_hest_aer_common aer;
1566 	u32 root_error_command;
1567 };
1568 
1569 /* 7: PCI Express AER (AER Endpoint) */
1570 
1571 struct acpi_hest_aer {
1572 	struct acpi_hest_header header;
1573 	struct acpi_hest_aer_common aer;
1574 };
1575 
1576 /* 8: PCI Express/PCI-X Bridge AER */
1577 
1578 struct acpi_hest_aer_bridge {
1579 	struct acpi_hest_header header;
1580 	struct acpi_hest_aer_common aer;
1581 	u32 uncorrectable_mask2;
1582 	u32 uncorrectable_severity2;
1583 	u32 advanced_capabilities2;
1584 };
1585 
1586 /* 9: Generic Hardware Error Source */
1587 
1588 struct acpi_hest_generic {
1589 	struct acpi_hest_header header;
1590 	u16 related_source_id;
1591 	u8 reserved;
1592 	u8 enabled;
1593 	u32 records_to_preallocate;
1594 	u32 max_sections_per_record;
1595 	u32 max_raw_data_length;
1596 	struct acpi_generic_address error_status_address;
1597 	struct acpi_hest_notify notify;
1598 	u32 error_block_length;
1599 };
1600 
1601 /* 10: Generic Hardware Error Source, version 2 */
1602 
1603 struct acpi_hest_generic_v2 {
1604 	struct acpi_hest_header header;
1605 	u16 related_source_id;
1606 	u8 reserved;
1607 	u8 enabled;
1608 	u32 records_to_preallocate;
1609 	u32 max_sections_per_record;
1610 	u32 max_raw_data_length;
1611 	struct acpi_generic_address error_status_address;
1612 	struct acpi_hest_notify notify;
1613 	u32 error_block_length;
1614 	struct acpi_generic_address read_ack_register;
1615 	u64 read_ack_preserve;
1616 	u64 read_ack_write;
1617 };
1618 
1619 /* Generic Error Status block */
1620 
1621 struct acpi_hest_generic_status {
1622 	u32 block_status;
1623 	u32 raw_data_offset;
1624 	u32 raw_data_length;
1625 	u32 data_length;
1626 	u32 error_severity;
1627 };
1628 
1629 /* Values for block_status flags above */
1630 
1631 #define ACPI_HEST_UNCORRECTABLE             (1)
1632 #define ACPI_HEST_CORRECTABLE               (1<<1)
1633 #define ACPI_HEST_MULTIPLE_UNCORRECTABLE    (1<<2)
1634 #define ACPI_HEST_MULTIPLE_CORRECTABLE      (1<<3)
1635 #define ACPI_HEST_ERROR_ENTRY_COUNT         (0xFF<<4)	/* 8 bits, error count */
1636 
1637 /* Generic Error Data entry */
1638 
1639 struct acpi_hest_generic_data {
1640 	u8 section_type[16];
1641 	u32 error_severity;
1642 	u16 revision;
1643 	u8 validation_bits;
1644 	u8 flags;
1645 	u32 error_data_length;
1646 	u8 fru_id[16];
1647 	u8 fru_text[20];
1648 };
1649 
1650 /* Extension for revision 0x0300 */
1651 
1652 struct acpi_hest_generic_data_v300 {
1653 	u8 section_type[16];
1654 	u32 error_severity;
1655 	u16 revision;
1656 	u8 validation_bits;
1657 	u8 flags;
1658 	u32 error_data_length;
1659 	u8 fru_id[16];
1660 	u8 fru_text[20];
1661 	u64 time_stamp;
1662 };
1663 
1664 /* Values for error_severity above */
1665 
1666 #define ACPI_HEST_GEN_ERROR_RECOVERABLE     0
1667 #define ACPI_HEST_GEN_ERROR_FATAL           1
1668 #define ACPI_HEST_GEN_ERROR_CORRECTED       2
1669 #define ACPI_HEST_GEN_ERROR_NONE            3
1670 
1671 /* Flags for validation_bits above */
1672 
1673 #define ACPI_HEST_GEN_VALID_FRU_ID          (1)
1674 #define ACPI_HEST_GEN_VALID_FRU_STRING      (1<<1)
1675 #define ACPI_HEST_GEN_VALID_TIMESTAMP       (1<<2)
1676 
1677 /* 11: IA32 Deferred Machine Check Exception (ACPI 6.2) */
1678 
1679 struct acpi_hest_ia_deferred_check {
1680 	struct acpi_hest_header header;
1681 	u16 reserved1;
1682 	u8 flags;		/* See flags ACPI_HEST_GLOBAL, etc. above */
1683 	u8 enabled;
1684 	u32 records_to_preallocate;
1685 	u32 max_sections_per_record;
1686 	struct acpi_hest_notify notify;
1687 	u8 num_hardware_banks;
1688 	u8 reserved2[3];
1689 };
1690 
1691 /*******************************************************************************
1692  *
1693  * HMAT - Heterogeneous Memory Attributes Table (ACPI 6.2)
1694  *        Version 1
1695  *
1696  ******************************************************************************/
1697 
1698 struct acpi_table_hmat {
1699 	struct acpi_table_header header;	/* Common ACPI table header */
1700 	u32 reserved;
1701 };
1702 
1703 /* Values for HMAT structure types */
1704 
1705 enum acpi_hmat_type {
1706 	ACPI_HMAT_TYPE_PROXIMITY = 0,	/* Memory proximity domain attributes */
1707 	ACPI_HMAT_TYPE_LOCALITY = 1,	/* System locality latency and bandwidth information */
1708 	ACPI_HMAT_TYPE_CACHE = 2,	/* Memory side cache information */
1709 	ACPI_HMAT_TYPE_RESERVED = 3	/* 3 and greater are reserved */
1710 };
1711 
1712 struct acpi_hmat_structure {
1713 	u16 type;
1714 	u16 reserved;
1715 	u32 length;
1716 };
1717 
1718 /*
1719  * HMAT Structures, correspond to Type in struct acpi_hmat_structure
1720  */
1721 
1722 /* 0: Memory proximity domain attributes */
1723 
1724 struct acpi_hmat_proximity_domain {
1725 	struct acpi_hmat_structure header;
1726 	u16 flags;
1727 	u16 reserved1;
1728 	u32 processor_PD;	/* Processor proximity domain */
1729 	u32 memory_PD;		/* Memory proximity domain */
1730 	u32 reserved2;
1731 	u64 reserved3;
1732 	u64 reserved4;
1733 };
1734 
1735 /* Masks for Flags field above */
1736 
1737 #define ACPI_HMAT_PROCESSOR_PD_VALID    (1)	/* 1: processor_PD field is valid */
1738 #define ACPI_HMAT_MEMORY_PD_VALID       (1<<1)	/* 1: memory_PD field is valid */
1739 #define ACPI_HMAT_RESERVATION_HINT      (1<<2)	/* 1: Reservation hint */
1740 
1741 /* 1: System locality latency and bandwidth information */
1742 
1743 struct acpi_hmat_locality {
1744 	struct acpi_hmat_structure header;
1745 	u8 flags;
1746 	u8 data_type;
1747 	u8 min_transfer_size;
1748 	u8 reserved1;
1749 	u32 number_of_initiator_Pds;
1750 	u32 number_of_target_Pds;
1751 	u32 reserved2;
1752 	u64 entry_base_unit;
1753 };
1754 
1755 /* Masks for Flags field above */
1756 
1757 #define ACPI_HMAT_MEMORY_HIERARCHY  (0x0F)     /* Bits 0-3 */
1758 
1759 /* Values for Memory Hierarchy flags */
1760 
1761 #define ACPI_HMAT_MEMORY            0
1762 #define ACPI_HMAT_LAST_LEVEL_CACHE  1
1763 #define ACPI_HMAT_1ST_LEVEL_CACHE   2
1764 #define ACPI_HMAT_2ND_LEVEL_CACHE   3
1765 #define ACPI_HMAT_3RD_LEVEL_CACHE   4
1766 #define ACPI_HMAT_MINIMUM_XFER_SIZE 0x10       /* Bit 4: ACPI 6.4 */
1767 #define ACPI_HMAT_NON_SEQUENTIAL_XFERS 0x20    /* Bit 5: ACPI 6.4 */
1768 
1769 
1770 /* Values for data_type field above */
1771 
1772 #define ACPI_HMAT_ACCESS_LATENCY    0
1773 #define ACPI_HMAT_READ_LATENCY      1
1774 #define ACPI_HMAT_WRITE_LATENCY     2
1775 #define ACPI_HMAT_ACCESS_BANDWIDTH  3
1776 #define ACPI_HMAT_READ_BANDWIDTH    4
1777 #define ACPI_HMAT_WRITE_BANDWIDTH   5
1778 
1779 /* 2: Memory side cache information */
1780 
1781 struct acpi_hmat_cache {
1782 	struct acpi_hmat_structure header;
1783 	u32 memory_PD;
1784 	u32 reserved1;
1785 	u64 cache_size;
1786 	u32 cache_attributes;
1787 	u16 reserved2;
1788 	u16 number_of_SMBIOShandles;
1789 };
1790 
1791 /* Masks for cache_attributes field above */
1792 
1793 #define ACPI_HMAT_TOTAL_CACHE_LEVEL     (0x0000000F)
1794 #define ACPI_HMAT_CACHE_LEVEL           (0x000000F0)
1795 #define ACPI_HMAT_CACHE_ASSOCIATIVITY   (0x00000F00)
1796 #define ACPI_HMAT_WRITE_POLICY          (0x0000F000)
1797 #define ACPI_HMAT_CACHE_LINE_SIZE       (0xFFFF0000)
1798 
1799 /* Values for cache associativity flag */
1800 
1801 #define ACPI_HMAT_CA_NONE                     (0)
1802 #define ACPI_HMAT_CA_DIRECT_MAPPED            (1)
1803 #define ACPI_HMAT_CA_COMPLEX_CACHE_INDEXING   (2)
1804 
1805 /* Values for write policy flag */
1806 
1807 #define ACPI_HMAT_CP_NONE   (0)
1808 #define ACPI_HMAT_CP_WB     (1)
1809 #define ACPI_HMAT_CP_WT     (2)
1810 
1811 /*******************************************************************************
1812  *
1813  * HPET - High Precision Event Timer table
1814  *        Version 1
1815  *
1816  * Conforms to "IA-PC HPET (High Precision Event Timers) Specification",
1817  * Version 1.0a, October 2004
1818  *
1819  ******************************************************************************/
1820 
1821 struct acpi_table_hpet {
1822 	struct acpi_table_header header;	/* Common ACPI table header */
1823 	u32 id;			/* Hardware ID of event timer block */
1824 	struct acpi_generic_address address;	/* Address of event timer block */
1825 	u8 sequence;		/* HPET sequence number */
1826 	u16 minimum_tick;	/* Main counter min tick, periodic mode */
1827 	u8 flags;
1828 };
1829 
1830 /* Masks for Flags field above */
1831 
1832 #define ACPI_HPET_PAGE_PROTECT_MASK (3)
1833 
1834 /* Values for Page Protect flags */
1835 
1836 enum acpi_hpet_page_protect {
1837 	ACPI_HPET_NO_PAGE_PROTECT = 0,
1838 	ACPI_HPET_PAGE_PROTECT4 = 1,
1839 	ACPI_HPET_PAGE_PROTECT64 = 2
1840 };
1841 
1842 /*******************************************************************************
1843  *
1844  * IBFT - Boot Firmware Table
1845  *        Version 1
1846  *
1847  * Conforms to "iSCSI Boot Firmware Table (iBFT) as Defined in ACPI 3.0b
1848  * Specification", Version 1.01, March 1, 2007
1849  *
1850  * Note: It appears that this table is not intended to appear in the RSDT/XSDT.
1851  * Therefore, it is not currently supported by the disassembler.
1852  *
1853  ******************************************************************************/
1854 
1855 struct acpi_table_ibft {
1856 	struct acpi_table_header header;	/* Common ACPI table header */
1857 	u8 reserved[12];
1858 };
1859 
1860 /* IBFT common subtable header */
1861 
1862 struct acpi_ibft_header {
1863 	u8 type;
1864 	u8 version;
1865 	u16 length;
1866 	u8 index;
1867 	u8 flags;
1868 };
1869 
1870 /* Values for Type field above */
1871 
1872 enum acpi_ibft_type {
1873 	ACPI_IBFT_TYPE_NOT_USED = 0,
1874 	ACPI_IBFT_TYPE_CONTROL = 1,
1875 	ACPI_IBFT_TYPE_INITIATOR = 2,
1876 	ACPI_IBFT_TYPE_NIC = 3,
1877 	ACPI_IBFT_TYPE_TARGET = 4,
1878 	ACPI_IBFT_TYPE_EXTENSIONS = 5,
1879 	ACPI_IBFT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1880 };
1881 
1882 /* IBFT subtables */
1883 
1884 struct acpi_ibft_control {
1885 	struct acpi_ibft_header header;
1886 	u16 extensions;
1887 	u16 initiator_offset;
1888 	u16 nic0_offset;
1889 	u16 target0_offset;
1890 	u16 nic1_offset;
1891 	u16 target1_offset;
1892 };
1893 
1894 struct acpi_ibft_initiator {
1895 	struct acpi_ibft_header header;
1896 	u8 sns_server[16];
1897 	u8 slp_server[16];
1898 	u8 primary_server[16];
1899 	u8 secondary_server[16];
1900 	u16 name_length;
1901 	u16 name_offset;
1902 };
1903 
1904 struct acpi_ibft_nic {
1905 	struct acpi_ibft_header header;
1906 	u8 ip_address[16];
1907 	u8 subnet_mask_prefix;
1908 	u8 origin;
1909 	u8 gateway[16];
1910 	u8 primary_dns[16];
1911 	u8 secondary_dns[16];
1912 	u8 dhcp[16];
1913 	u16 vlan;
1914 	u8 mac_address[6];
1915 	u16 pci_address;
1916 	u16 name_length;
1917 	u16 name_offset;
1918 };
1919 
1920 struct acpi_ibft_target {
1921 	struct acpi_ibft_header header;
1922 	u8 target_ip_address[16];
1923 	u16 target_ip_socket;
1924 	u8 target_boot_lun[8];
1925 	u8 chap_type;
1926 	u8 nic_association;
1927 	u16 target_name_length;
1928 	u16 target_name_offset;
1929 	u16 chap_name_length;
1930 	u16 chap_name_offset;
1931 	u16 chap_secret_length;
1932 	u16 chap_secret_offset;
1933 	u16 reverse_chap_name_length;
1934 	u16 reverse_chap_name_offset;
1935 	u16 reverse_chap_secret_length;
1936 	u16 reverse_chap_secret_offset;
1937 };
1938 
1939 /* Reset to default packing */
1940 
1941 #pragma pack()
1942 
1943 #endif				/* __ACTBL1_H__ */
1944