xref: /openbmc/linux/include/acpi/actbl2.h (revision 162736b0)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
5  *
6  * Copyright (C) 2000 - 2022, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACTBL2_H__
11 #define __ACTBL2_H__
12 
13 /*******************************************************************************
14  *
15  * Additional ACPI Tables (2)
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_AGDI           "AGDI"	/* Arm Generic Diagnostic Dump and Reset Device Interface */
28 #define ACPI_SIG_APMT           "APMT"	/* Arm Performance Monitoring Unit table */
29 #define ACPI_SIG_BDAT           "BDAT"	/* BIOS Data ACPI Table */
30 #define ACPI_SIG_CCEL           "CCEL"	/* CC Event Log Table */
31 #define ACPI_SIG_CDAT           "CDAT"	/* Coherent Device Attribute Table */
32 #define ACPI_SIG_IORT           "IORT"	/* IO Remapping Table */
33 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
34 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
35 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
36 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
37 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
38 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
39 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
40 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
41 #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
42 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
43 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
44 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
45 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
46 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
47 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
48 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
49 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
50 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
51 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
52 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
53 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
54 #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
55 
56 /*
57  * All tables must be byte-packed to match the ACPI specification, since
58  * the tables are provided by the system BIOS.
59  */
60 #pragma pack(1)
61 
62 /*
63  * Note: C bitfields are not used for this reason:
64  *
65  * "Bitfields are great and easy to read, but unfortunately the C language
66  * does not specify the layout of bitfields in memory, which means they are
67  * essentially useless for dealing with packed data in on-disk formats or
68  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
69  * this decision was a design error in C. Ritchie could have picked an order
70  * and stuck with it." Norman Ramsey.
71  * See http://stackoverflow.com/a/1053662/41661
72  */
73 
74 /*******************************************************************************
75  *
76  * AEST - Arm Error Source Table
77  *
78  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
79  * September 2020.
80  *
81  ******************************************************************************/
82 
83 struct acpi_table_aest {
84 	struct acpi_table_header header;
85 	void *node_array[];
86 };
87 
88 /* Common Subtable header - one per Node Structure (Subtable) */
89 
90 struct acpi_aest_hdr {
91 	u8 type;
92 	u16 length;
93 	u8 reserved;
94 	u32 node_specific_offset;
95 	u32 node_interface_offset;
96 	u32 node_interrupt_offset;
97 	u32 node_interrupt_count;
98 	u64 timestamp_rate;
99 	u64 reserved1;
100 	u64 error_injection_rate;
101 };
102 
103 /* Values for Type above */
104 
105 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
106 #define ACPI_AEST_MEMORY_ERROR_NODE         1
107 #define ACPI_AEST_SMMU_ERROR_NODE           2
108 #define ACPI_AEST_VENDOR_ERROR_NODE         3
109 #define ACPI_AEST_GIC_ERROR_NODE            4
110 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
111 
112 /*
113  * AEST subtables (Error nodes)
114  */
115 
116 /* 0: Processor Error */
117 
118 typedef struct acpi_aest_processor {
119 	u32 processor_id;
120 	u8 resource_type;
121 	u8 reserved;
122 	u8 flags;
123 	u8 revision;
124 	u64 processor_affinity;
125 
126 } acpi_aest_processor;
127 
128 /* Values for resource_type above, related structs below */
129 
130 #define ACPI_AEST_CACHE_RESOURCE            0
131 #define ACPI_AEST_TLB_RESOURCE              1
132 #define ACPI_AEST_GENERIC_RESOURCE          2
133 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
134 
135 /* 0R: Processor Cache Resource Substructure */
136 
137 typedef struct acpi_aest_processor_cache {
138 	u32 cache_reference;
139 	u32 reserved;
140 
141 } acpi_aest_processor_cache;
142 
143 /* Values for cache_type above */
144 
145 #define ACPI_AEST_CACHE_DATA                0
146 #define ACPI_AEST_CACHE_INSTRUCTION         1
147 #define ACPI_AEST_CACHE_UNIFIED             2
148 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
149 
150 /* 1R: Processor TLB Resource Substructure */
151 
152 typedef struct acpi_aest_processor_tlb {
153 	u32 tlb_level;
154 	u32 reserved;
155 
156 } acpi_aest_processor_tlb;
157 
158 /* 2R: Processor Generic Resource Substructure */
159 
160 typedef struct acpi_aest_processor_generic {
161 	u32 resource;
162 
163 } acpi_aest_processor_generic;
164 
165 /* 1: Memory Error */
166 
167 typedef struct acpi_aest_memory {
168 	u32 srat_proximity_domain;
169 
170 } acpi_aest_memory;
171 
172 /* 2: Smmu Error */
173 
174 typedef struct acpi_aest_smmu {
175 	u32 iort_node_reference;
176 	u32 subcomponent_reference;
177 
178 } acpi_aest_smmu;
179 
180 /* 3: Vendor Defined */
181 
182 typedef struct acpi_aest_vendor {
183 	u32 acpi_hid;
184 	u32 acpi_uid;
185 	u8 vendor_specific_data[16];
186 
187 } acpi_aest_vendor;
188 
189 /* 4: Gic Error */
190 
191 typedef struct acpi_aest_gic {
192 	u32 interface_type;
193 	u32 instance_id;
194 
195 } acpi_aest_gic;
196 
197 /* Values for interface_type above */
198 
199 #define ACPI_AEST_GIC_CPU                   0
200 #define ACPI_AEST_GIC_DISTRIBUTOR           1
201 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
202 #define ACPI_AEST_GIC_ITS                   3
203 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
204 
205 /* Node Interface Structure */
206 
207 typedef struct acpi_aest_node_interface {
208 	u8 type;
209 	u8 reserved[3];
210 	u32 flags;
211 	u64 address;
212 	u32 error_record_index;
213 	u32 error_record_count;
214 	u64 error_record_implemented;
215 	u64 error_status_reporting;
216 	u64 addressing_mode;
217 
218 } acpi_aest_node_interface;
219 
220 /* Values for Type field above */
221 
222 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
223 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
224 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
225 
226 /* Node Interrupt Structure */
227 
228 typedef struct acpi_aest_node_interrupt {
229 	u8 type;
230 	u8 reserved[2];
231 	u8 flags;
232 	u32 gsiv;
233 	u8 iort_id;
234 	u8 reserved1[3];
235 
236 } acpi_aest_node_interrupt;
237 
238 /* Values for Type field above */
239 
240 #define ACPI_AEST_NODE_FAULT_HANDLING       0
241 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
242 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
243 
244 /*******************************************************************************
245  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
246  *
247  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
248  * ARM DEN0093 v1.1
249  *
250  ******************************************************************************/
251 struct acpi_table_agdi {
252 	struct acpi_table_header header;	/* Common ACPI table header */
253 	u8 flags;
254 	u8 reserved[3];
255 	u32 sdei_event;
256 	u32 gsiv;
257 };
258 
259 /* Mask for Flags field above */
260 
261 #define ACPI_AGDI_SIGNALING_MODE (1)
262 
263 /*******************************************************************************
264  *
265  * APMT - ARM Performance Monitoring Unit Table
266  *
267  * Conforms to:
268  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
269  * ARM DEN0117 v1.0 November 25, 2021
270  *
271  ******************************************************************************/
272 
273 struct acpi_table_apmt {
274 	struct acpi_table_header header;	/* Common ACPI table header */
275 };
276 
277 #define ACPI_APMT_NODE_ID_LENGTH                4
278 
279 /*
280  * APMT subtables
281  */
282 struct acpi_apmt_node {
283 	u16 length;
284 	u8 flags;
285 	u8 type;
286 	u32 id;
287 	u64 inst_primary;
288 	u32 inst_secondary;
289 	u64 base_address0;
290 	u64 base_address1;
291 	u32 ovflw_irq;
292 	u32 reserved;
293 	u32 ovflw_irq_flags;
294 	u32 proc_affinity;
295 	u32 impl_id;
296 };
297 
298 /* Masks for Flags field above */
299 
300 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
301 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
302 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
303 
304 /* Values for Flags dual page field above */
305 
306 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
307 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
308 
309 /* Values for Flags processor affinity field above */
310 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
311 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
312 
313 /* Values for Flags 64-bit atomic field above */
314 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
315 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
316 
317 /* Values for Type field above */
318 
319 enum acpi_apmt_node_type {
320 	ACPI_APMT_NODE_TYPE_MC = 0x00,
321 	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
322 	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
323 	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
324 	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
325 	ACPI_APMT_NODE_TYPE_COUNT
326 };
327 
328 /* Masks for ovflw_irq_flags field above */
329 
330 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
331 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
332 
333 /* Values for ovflw_irq_flags mode field above */
334 
335 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
336 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
337 
338 /* Values for ovflw_irq_flags type field above */
339 
340 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
341 
342 /*******************************************************************************
343  *
344  * BDAT - BIOS Data ACPI Table
345  *
346  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
347  * Nov 2020
348  *
349  ******************************************************************************/
350 
351 struct acpi_table_bdat {
352 	struct acpi_table_header header;
353 	struct acpi_generic_address gas;
354 };
355 
356 /*******************************************************************************
357  *
358  * CCEL - CC-Event Log
359  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
360  *        Trust Domain Extensions (Intel TDX)". Feb 2022
361  *
362  ******************************************************************************/
363 
364 struct acpi_table_ccel {
365 	struct acpi_table_header header;	/* Common ACPI table header */
366 	u8 CCtype;
367 	u8 Ccsub_type;
368 	u16 reserved;
369 	u64 log_area_minimum_length;
370 	u64 log_area_start_address;
371 };
372 
373 /*******************************************************************************
374  *
375  * IORT - IO Remapping Table
376  *
377  * Conforms to "IO Remapping Table System Software on ARM Platforms",
378  * Document number: ARM DEN 0049E.e, Sep 2022
379  *
380  ******************************************************************************/
381 
382 struct acpi_table_iort {
383 	struct acpi_table_header header;
384 	u32 node_count;
385 	u32 node_offset;
386 	u32 reserved;
387 };
388 
389 /*
390  * IORT subtables
391  */
392 struct acpi_iort_node {
393 	u8 type;
394 	u16 length;
395 	u8 revision;
396 	u32 identifier;
397 	u32 mapping_count;
398 	u32 mapping_offset;
399 	char node_data[1];
400 };
401 
402 /* Values for subtable Type above */
403 
404 enum acpi_iort_node_type {
405 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
406 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
407 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
408 	ACPI_IORT_NODE_SMMU = 0x03,
409 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
410 	ACPI_IORT_NODE_PMCG = 0x05,
411 	ACPI_IORT_NODE_RMR = 0x06,
412 };
413 
414 struct acpi_iort_id_mapping {
415 	u32 input_base;		/* Lowest value in input range */
416 	u32 id_count;		/* Number of IDs */
417 	u32 output_base;	/* Lowest value in output range */
418 	u32 output_reference;	/* A reference to the output node */
419 	u32 flags;
420 };
421 
422 /* Masks for Flags field above for IORT subtable */
423 
424 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
425 
426 struct acpi_iort_memory_access {
427 	u32 cache_coherency;
428 	u8 hints;
429 	u16 reserved;
430 	u8 memory_flags;
431 };
432 
433 /* Values for cache_coherency field above */
434 
435 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
436 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
437 
438 /* Masks for Hints field above */
439 
440 #define ACPI_IORT_HT_TRANSIENT          (1)
441 #define ACPI_IORT_HT_WRITE              (1<<1)
442 #define ACPI_IORT_HT_READ               (1<<2)
443 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
444 
445 /* Masks for memory_flags field above */
446 
447 #define ACPI_IORT_MF_COHERENCY          (1)
448 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
449 
450 /*
451  * IORT node specific subtables
452  */
453 struct acpi_iort_its_group {
454 	u32 its_count;
455 	u32 identifiers[1];	/* GIC ITS identifier array */
456 };
457 
458 struct acpi_iort_named_component {
459 	u32 node_flags;
460 	u64 memory_properties;	/* Memory access properties */
461 	u8 memory_address_limit;	/* Memory address size limit */
462 	char device_name[1];	/* Path of namespace object */
463 };
464 
465 /* Masks for Flags field above */
466 
467 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
468 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
469 
470 struct acpi_iort_root_complex {
471 	u64 memory_properties;	/* Memory access properties */
472 	u32 ats_attribute;
473 	u32 pci_segment_number;
474 	u8 memory_address_limit;	/* Memory address size limit */
475 	u16 pasid_capabilities;	/* PASID Capabilities */
476 	u8 reserved[1];		/* Reserved, must be zero */
477 };
478 
479 /* Masks for ats_attribute field above */
480 
481 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
482 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
483 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
484 
485 /* Masks for pasid_capabilities field above */
486 #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)	/* Bits 0-4 */
487 
488 struct acpi_iort_smmu {
489 	u64 base_address;	/* SMMU base address */
490 	u64 span;		/* Length of memory range */
491 	u32 model;
492 	u32 flags;
493 	u32 global_interrupt_offset;
494 	u32 context_interrupt_count;
495 	u32 context_interrupt_offset;
496 	u32 pmu_interrupt_count;
497 	u32 pmu_interrupt_offset;
498 	u64 interrupts[1];	/* Interrupt array */
499 };
500 
501 /* Values for Model field above */
502 
503 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
504 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
505 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
506 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
507 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
508 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
509 
510 /* Masks for Flags field above */
511 
512 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
513 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
514 
515 /* Global interrupt format */
516 
517 struct acpi_iort_smmu_gsi {
518 	u32 nsg_irpt;
519 	u32 nsg_irpt_flags;
520 	u32 nsg_cfg_irpt;
521 	u32 nsg_cfg_irpt_flags;
522 };
523 
524 struct acpi_iort_smmu_v3 {
525 	u64 base_address;	/* SMMUv3 base address */
526 	u32 flags;
527 	u32 reserved;
528 	u64 vatos_address;
529 	u32 model;
530 	u32 event_gsiv;
531 	u32 pri_gsiv;
532 	u32 gerr_gsiv;
533 	u32 sync_gsiv;
534 	u32 pxm;
535 	u32 id_mapping_index;
536 };
537 
538 /* Values for Model field above */
539 
540 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
541 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
542 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
543 
544 /* Masks for Flags field above */
545 
546 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
547 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
548 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
549 #define ACPI_IORT_SMMU_V3_DEVICEID_VALID    (1<<4)
550 
551 struct acpi_iort_pmcg {
552 	u64 page0_base_address;
553 	u32 overflow_gsiv;
554 	u32 node_reference;
555 	u64 page1_base_address;
556 };
557 
558 struct acpi_iort_rmr {
559 	u32 flags;
560 	u32 rmr_count;
561 	u32 rmr_offset;
562 };
563 
564 /* Masks for Flags field above */
565 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
566 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
567 
568 /*
569  * Macro to access the Access Attributes in flags field above:
570  *  Access Attributes is encoded in bits 9:2
571  */
572 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
573 
574 /* Values for above Access Attributes */
575 
576 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
577 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
578 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
579 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
580 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
581 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
582 
583 struct acpi_iort_rmr_desc {
584 	u64 base_address;
585 	u64 length;
586 	u32 reserved;
587 };
588 
589 /*******************************************************************************
590  *
591  * IVRS - I/O Virtualization Reporting Structure
592  *        Version 1
593  *
594  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
595  * Revision 1.26, February 2009.
596  *
597  ******************************************************************************/
598 
599 struct acpi_table_ivrs {
600 	struct acpi_table_header header;	/* Common ACPI table header */
601 	u32 info;		/* Common virtualization info */
602 	u64 reserved;
603 };
604 
605 /* Values for Info field above */
606 
607 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
608 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
609 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
610 
611 /* IVRS subtable header */
612 
613 struct acpi_ivrs_header {
614 	u8 type;		/* Subtable type */
615 	u8 flags;
616 	u16 length;		/* Subtable length */
617 	u16 device_id;		/* ID of IOMMU */
618 };
619 
620 /* Values for subtable Type above */
621 
622 enum acpi_ivrs_type {
623 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
624 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
625 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
626 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
627 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
628 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
629 };
630 
631 /* Masks for Flags field above for IVHD subtable */
632 
633 #define ACPI_IVHD_TT_ENABLE         (1)
634 #define ACPI_IVHD_PASS_PW           (1<<1)
635 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
636 #define ACPI_IVHD_ISOC              (1<<3)
637 #define ACPI_IVHD_IOTLB             (1<<4)
638 
639 /* Masks for Flags field above for IVMD subtable */
640 
641 #define ACPI_IVMD_UNITY             (1)
642 #define ACPI_IVMD_READ              (1<<1)
643 #define ACPI_IVMD_WRITE             (1<<2)
644 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
645 
646 /*
647  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
648  */
649 
650 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
651 
652 struct acpi_ivrs_hardware_10 {
653 	struct acpi_ivrs_header header;
654 	u16 capability_offset;	/* Offset for IOMMU control fields */
655 	u64 base_address;	/* IOMMU control registers */
656 	u16 pci_segment_group;
657 	u16 info;		/* MSI number and unit ID */
658 	u32 feature_reporting;
659 };
660 
661 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
662 
663 struct acpi_ivrs_hardware_11 {
664 	struct acpi_ivrs_header header;
665 	u16 capability_offset;	/* Offset for IOMMU control fields */
666 	u64 base_address;	/* IOMMU control registers */
667 	u16 pci_segment_group;
668 	u16 info;		/* MSI number and unit ID */
669 	u32 attributes;
670 	u64 efr_register_image;
671 	u64 reserved;
672 };
673 
674 /* Masks for Info field above */
675 
676 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
677 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
678 
679 /*
680  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
681  * Upper two bits of the Type field are the (encoded) length of the structure.
682  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
683  * are reserved for future use but not defined.
684  */
685 struct acpi_ivrs_de_header {
686 	u8 type;
687 	u16 id;
688 	u8 data_setting;
689 };
690 
691 /* Length of device entry is in the top two bits of Type field above */
692 
693 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
694 
695 /* Values for device entry Type field above */
696 
697 enum acpi_ivrs_device_entry_type {
698 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
699 
700 	ACPI_IVRS_TYPE_PAD4 = 0,
701 	ACPI_IVRS_TYPE_ALL = 1,
702 	ACPI_IVRS_TYPE_SELECT = 2,
703 	ACPI_IVRS_TYPE_START = 3,
704 	ACPI_IVRS_TYPE_END = 4,
705 
706 	/* 8-byte device entries */
707 
708 	ACPI_IVRS_TYPE_PAD8 = 64,
709 	ACPI_IVRS_TYPE_NOT_USED = 65,
710 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
711 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
712 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
713 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
714 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
715 
716 	/* Variable-length device entries */
717 
718 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
719 };
720 
721 /* Values for Data field above */
722 
723 #define ACPI_IVHD_INIT_PASS         (1)
724 #define ACPI_IVHD_EINT_PASS         (1<<1)
725 #define ACPI_IVHD_NMI_PASS          (1<<2)
726 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
727 #define ACPI_IVHD_LINT0_PASS        (1<<6)
728 #define ACPI_IVHD_LINT1_PASS        (1<<7)
729 
730 /* Types 0-4: 4-byte device entry */
731 
732 struct acpi_ivrs_device4 {
733 	struct acpi_ivrs_de_header header;
734 };
735 
736 /* Types 66-67: 8-byte device entry */
737 
738 struct acpi_ivrs_device8a {
739 	struct acpi_ivrs_de_header header;
740 	u8 reserved1;
741 	u16 used_id;
742 	u8 reserved2;
743 };
744 
745 /* Types 70-71: 8-byte device entry */
746 
747 struct acpi_ivrs_device8b {
748 	struct acpi_ivrs_de_header header;
749 	u32 extended_data;
750 };
751 
752 /* Values for extended_data above */
753 
754 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
755 
756 /* Type 72: 8-byte device entry */
757 
758 struct acpi_ivrs_device8c {
759 	struct acpi_ivrs_de_header header;
760 	u8 handle;
761 	u16 used_id;
762 	u8 variety;
763 };
764 
765 /* Values for Variety field above */
766 
767 #define ACPI_IVHD_IOAPIC            1
768 #define ACPI_IVHD_HPET              2
769 
770 /* Type 240: variable-length device entry */
771 
772 struct acpi_ivrs_device_hid {
773 	struct acpi_ivrs_de_header header;
774 	u64 acpi_hid;
775 	u64 acpi_cid;
776 	u8 uid_type;
777 	u8 uid_length;
778 };
779 
780 /* Values for uid_type above */
781 
782 #define ACPI_IVRS_UID_NOT_PRESENT   0
783 #define ACPI_IVRS_UID_IS_INTEGER    1
784 #define ACPI_IVRS_UID_IS_STRING     2
785 
786 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
787 
788 struct acpi_ivrs_memory {
789 	struct acpi_ivrs_header header;
790 	u16 aux_data;
791 	u64 reserved;
792 	u64 start_address;
793 	u64 memory_length;
794 };
795 
796 /*******************************************************************************
797  *
798  * LPIT - Low Power Idle Table
799  *
800  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
801  *
802  ******************************************************************************/
803 
804 struct acpi_table_lpit {
805 	struct acpi_table_header header;	/* Common ACPI table header */
806 };
807 
808 /* LPIT subtable header */
809 
810 struct acpi_lpit_header {
811 	u32 type;		/* Subtable type */
812 	u32 length;		/* Subtable length */
813 	u16 unique_id;
814 	u16 reserved;
815 	u32 flags;
816 };
817 
818 /* Values for subtable Type above */
819 
820 enum acpi_lpit_type {
821 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
822 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
823 };
824 
825 /* Masks for Flags field above  */
826 
827 #define ACPI_LPIT_STATE_DISABLED    (1)
828 #define ACPI_LPIT_NO_COUNTER        (1<<1)
829 
830 /*
831  * LPIT subtables, correspond to Type in struct acpi_lpit_header
832  */
833 
834 /* 0x00: Native C-state instruction based LPI structure */
835 
836 struct acpi_lpit_native {
837 	struct acpi_lpit_header header;
838 	struct acpi_generic_address entry_trigger;
839 	u32 residency;
840 	u32 latency;
841 	struct acpi_generic_address residency_counter;
842 	u64 counter_frequency;
843 };
844 
845 /*******************************************************************************
846  *
847  * MADT - Multiple APIC Description Table
848  *        Version 3
849  *
850  ******************************************************************************/
851 
852 struct acpi_table_madt {
853 	struct acpi_table_header header;	/* Common ACPI table header */
854 	u32 address;		/* Physical address of local APIC */
855 	u32 flags;
856 };
857 
858 /* Masks for Flags field above */
859 
860 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
861 
862 /* Values for PCATCompat flag */
863 
864 #define ACPI_MADT_DUAL_PIC          1
865 #define ACPI_MADT_MULTIPLE_APIC     0
866 
867 /* Values for MADT subtable type in struct acpi_subtable_header */
868 
869 enum acpi_madt_type {
870 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
871 	ACPI_MADT_TYPE_IO_APIC = 1,
872 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
873 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
874 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
875 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
876 	ACPI_MADT_TYPE_IO_SAPIC = 6,
877 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
878 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
879 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
880 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
881 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
882 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
883 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
884 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
885 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
886 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
887 	ACPI_MADT_TYPE_CORE_PIC = 17,
888 	ACPI_MADT_TYPE_LIO_PIC = 18,
889 	ACPI_MADT_TYPE_HT_PIC = 19,
890 	ACPI_MADT_TYPE_EIO_PIC = 20,
891 	ACPI_MADT_TYPE_MSI_PIC = 21,
892 	ACPI_MADT_TYPE_BIO_PIC = 22,
893 	ACPI_MADT_TYPE_LPC_PIC = 23,
894 	ACPI_MADT_TYPE_RESERVED = 24,	/* 24 to 0x7F are reserved */
895 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
896 };
897 
898 /*
899  * MADT Subtables, correspond to Type in struct acpi_subtable_header
900  */
901 
902 /* 0: Processor Local APIC */
903 
904 struct acpi_madt_local_apic {
905 	struct acpi_subtable_header header;
906 	u8 processor_id;	/* ACPI processor id */
907 	u8 id;			/* Processor's local APIC id */
908 	u32 lapic_flags;
909 };
910 
911 /* 1: IO APIC */
912 
913 struct acpi_madt_io_apic {
914 	struct acpi_subtable_header header;
915 	u8 id;			/* I/O APIC ID */
916 	u8 reserved;		/* reserved - must be zero */
917 	u32 address;		/* APIC physical address */
918 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
919 };
920 
921 /* 2: Interrupt Override */
922 
923 struct acpi_madt_interrupt_override {
924 	struct acpi_subtable_header header;
925 	u8 bus;			/* 0 - ISA */
926 	u8 source_irq;		/* Interrupt source (IRQ) */
927 	u32 global_irq;		/* Global system interrupt */
928 	u16 inti_flags;
929 };
930 
931 /* 3: NMI Source */
932 
933 struct acpi_madt_nmi_source {
934 	struct acpi_subtable_header header;
935 	u16 inti_flags;
936 	u32 global_irq;		/* Global system interrupt */
937 };
938 
939 /* 4: Local APIC NMI */
940 
941 struct acpi_madt_local_apic_nmi {
942 	struct acpi_subtable_header header;
943 	u8 processor_id;	/* ACPI processor id */
944 	u16 inti_flags;
945 	u8 lint;		/* LINTn to which NMI is connected */
946 };
947 
948 /* 5: Address Override */
949 
950 struct acpi_madt_local_apic_override {
951 	struct acpi_subtable_header header;
952 	u16 reserved;		/* Reserved, must be zero */
953 	u64 address;		/* APIC physical address */
954 };
955 
956 /* 6: I/O Sapic */
957 
958 struct acpi_madt_io_sapic {
959 	struct acpi_subtable_header header;
960 	u8 id;			/* I/O SAPIC ID */
961 	u8 reserved;		/* Reserved, must be zero */
962 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
963 	u64 address;		/* SAPIC physical address */
964 };
965 
966 /* 7: Local Sapic */
967 
968 struct acpi_madt_local_sapic {
969 	struct acpi_subtable_header header;
970 	u8 processor_id;	/* ACPI processor id */
971 	u8 id;			/* SAPIC ID */
972 	u8 eid;			/* SAPIC EID */
973 	u8 reserved[3];		/* Reserved, must be zero */
974 	u32 lapic_flags;
975 	u32 uid;		/* Numeric UID - ACPI 3.0 */
976 	char uid_string[1];	/* String UID  - ACPI 3.0 */
977 };
978 
979 /* 8: Platform Interrupt Source */
980 
981 struct acpi_madt_interrupt_source {
982 	struct acpi_subtable_header header;
983 	u16 inti_flags;
984 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
985 	u8 id;			/* Processor ID */
986 	u8 eid;			/* Processor EID */
987 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
988 	u32 global_irq;		/* Global system interrupt */
989 	u32 flags;		/* Interrupt Source Flags */
990 };
991 
992 /* Masks for Flags field above */
993 
994 #define ACPI_MADT_CPEI_OVERRIDE     (1)
995 
996 /* 9: Processor Local X2APIC (ACPI 4.0) */
997 
998 struct acpi_madt_local_x2apic {
999 	struct acpi_subtable_header header;
1000 	u16 reserved;		/* reserved - must be zero */
1001 	u32 local_apic_id;	/* Processor x2APIC ID  */
1002 	u32 lapic_flags;
1003 	u32 uid;		/* ACPI processor UID */
1004 };
1005 
1006 /* 10: Local X2APIC NMI (ACPI 4.0) */
1007 
1008 struct acpi_madt_local_x2apic_nmi {
1009 	struct acpi_subtable_header header;
1010 	u16 inti_flags;
1011 	u32 uid;		/* ACPI processor UID */
1012 	u8 lint;		/* LINTn to which NMI is connected */
1013 	u8 reserved[3];		/* reserved - must be zero */
1014 };
1015 
1016 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
1017 
1018 struct acpi_madt_generic_interrupt {
1019 	struct acpi_subtable_header header;
1020 	u16 reserved;		/* reserved - must be zero */
1021 	u32 cpu_interface_number;
1022 	u32 uid;
1023 	u32 flags;
1024 	u32 parking_version;
1025 	u32 performance_interrupt;
1026 	u64 parked_address;
1027 	u64 base_address;
1028 	u64 gicv_base_address;
1029 	u64 gich_base_address;
1030 	u32 vgic_interrupt;
1031 	u64 gicr_base_address;
1032 	u64 arm_mpidr;
1033 	u8 efficiency_class;
1034 	u8 reserved2[1];
1035 	u16 spe_interrupt;	/* ACPI 6.3 */
1036 };
1037 
1038 /* Masks for Flags field above */
1039 
1040 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1041 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1042 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1043 
1044 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1045 
1046 struct acpi_madt_generic_distributor {
1047 	struct acpi_subtable_header header;
1048 	u16 reserved;		/* reserved - must be zero */
1049 	u32 gic_id;
1050 	u64 base_address;
1051 	u32 global_irq_base;
1052 	u8 version;
1053 	u8 reserved2[3];	/* reserved - must be zero */
1054 };
1055 
1056 /* Values for Version field above */
1057 
1058 enum acpi_madt_gic_version {
1059 	ACPI_MADT_GIC_VERSION_NONE = 0,
1060 	ACPI_MADT_GIC_VERSION_V1 = 1,
1061 	ACPI_MADT_GIC_VERSION_V2 = 2,
1062 	ACPI_MADT_GIC_VERSION_V3 = 3,
1063 	ACPI_MADT_GIC_VERSION_V4 = 4,
1064 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1065 };
1066 
1067 /* 13: Generic MSI Frame (ACPI 5.1) */
1068 
1069 struct acpi_madt_generic_msi_frame {
1070 	struct acpi_subtable_header header;
1071 	u16 reserved;		/* reserved - must be zero */
1072 	u32 msi_frame_id;
1073 	u64 base_address;
1074 	u32 flags;
1075 	u16 spi_count;
1076 	u16 spi_base;
1077 };
1078 
1079 /* Masks for Flags field above */
1080 
1081 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1082 
1083 /* 14: Generic Redistributor (ACPI 5.1) */
1084 
1085 struct acpi_madt_generic_redistributor {
1086 	struct acpi_subtable_header header;
1087 	u16 reserved;		/* reserved - must be zero */
1088 	u64 base_address;
1089 	u32 length;
1090 };
1091 
1092 /* 15: Generic Translator (ACPI 6.0) */
1093 
1094 struct acpi_madt_generic_translator {
1095 	struct acpi_subtable_header header;
1096 	u16 reserved;		/* reserved - must be zero */
1097 	u32 translation_id;
1098 	u64 base_address;
1099 	u32 reserved2;
1100 };
1101 
1102 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1103 
1104 struct acpi_madt_multiproc_wakeup {
1105 	struct acpi_subtable_header header;
1106 	u16 mailbox_version;
1107 	u32 reserved;		/* reserved - must be zero */
1108 	u64 base_address;
1109 };
1110 
1111 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1112 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1113 
1114 struct acpi_madt_multiproc_wakeup_mailbox {
1115 	u16 command;
1116 	u16 reserved;		/* reserved - must be zero */
1117 	u32 apic_id;
1118 	u64 wakeup_vector;
1119 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1120 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1121 };
1122 
1123 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1124 
1125 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1126 
1127 struct acpi_madt_core_pic {
1128 	struct acpi_subtable_header header;
1129 	u8 version;
1130 	u32 processor_id;
1131 	u32 core_id;
1132 	u32 flags;
1133 };
1134 
1135 /* Values for Version field above */
1136 
1137 enum acpi_madt_core_pic_version {
1138 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1139 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1140 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1141 };
1142 
1143 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1144 
1145 struct acpi_madt_lio_pic {
1146 	struct acpi_subtable_header header;
1147 	u8 version;
1148 	u64 address;
1149 	u16 size;
1150 	u8 cascade[2];
1151 	u32 cascade_map[2];
1152 };
1153 
1154 /* Values for Version field above */
1155 
1156 enum acpi_madt_lio_pic_version {
1157 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1158 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1159 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1160 };
1161 
1162 /* 19: HT Interrupt Controller (ACPI 6.5) */
1163 
1164 struct acpi_madt_ht_pic {
1165 	struct acpi_subtable_header header;
1166 	u8 version;
1167 	u64 address;
1168 	u16 size;
1169 	u8 cascade[8];
1170 };
1171 
1172 /* Values for Version field above */
1173 
1174 enum acpi_madt_ht_pic_version {
1175 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1176 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1177 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1178 };
1179 
1180 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1181 
1182 struct acpi_madt_eio_pic {
1183 	struct acpi_subtable_header header;
1184 	u8 version;
1185 	u8 cascade;
1186 	u8 node;
1187 	u64 node_map;
1188 };
1189 
1190 /* Values for Version field above */
1191 
1192 enum acpi_madt_eio_pic_version {
1193 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1194 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1195 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1196 };
1197 
1198 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1199 
1200 struct acpi_madt_msi_pic {
1201 	struct acpi_subtable_header header;
1202 	u8 version;
1203 	u64 msg_address;
1204 	u32 start;
1205 	u32 count;
1206 };
1207 
1208 /* Values for Version field above */
1209 
1210 enum acpi_madt_msi_pic_version {
1211 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1212 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1213 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1214 };
1215 
1216 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1217 
1218 struct acpi_madt_bio_pic {
1219 	struct acpi_subtable_header header;
1220 	u8 version;
1221 	u64 address;
1222 	u16 size;
1223 	u16 id;
1224 	u16 gsi_base;
1225 };
1226 
1227 /* Values for Version field above */
1228 
1229 enum acpi_madt_bio_pic_version {
1230 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1231 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1232 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1233 };
1234 
1235 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1236 
1237 struct acpi_madt_lpc_pic {
1238 	struct acpi_subtable_header header;
1239 	u8 version;
1240 	u64 address;
1241 	u16 size;
1242 	u8 cascade;
1243 };
1244 
1245 /* Values for Version field above */
1246 
1247 enum acpi_madt_lpc_pic_version {
1248 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1249 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1250 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1251 };
1252 
1253 /* 80: OEM data */
1254 
1255 struct acpi_madt_oem_data {
1256 	u8 oem_data[0];
1257 };
1258 
1259 /*
1260  * Common flags fields for MADT subtables
1261  */
1262 
1263 /* MADT Local APIC flags */
1264 
1265 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1266 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1267 
1268 /* MADT MPS INTI flags (inti_flags) */
1269 
1270 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1271 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1272 
1273 /* Values for MPS INTI flags */
1274 
1275 #define ACPI_MADT_POLARITY_CONFORMS       0
1276 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1277 #define ACPI_MADT_POLARITY_RESERVED       2
1278 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1279 
1280 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1281 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1282 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1283 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1284 
1285 /*******************************************************************************
1286  *
1287  * MCFG - PCI Memory Mapped Configuration table and subtable
1288  *        Version 1
1289  *
1290  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1291  *
1292  ******************************************************************************/
1293 
1294 struct acpi_table_mcfg {
1295 	struct acpi_table_header header;	/* Common ACPI table header */
1296 	u8 reserved[8];
1297 };
1298 
1299 /* Subtable */
1300 
1301 struct acpi_mcfg_allocation {
1302 	u64 address;		/* Base address, processor-relative */
1303 	u16 pci_segment;	/* PCI segment group number */
1304 	u8 start_bus_number;	/* Starting PCI Bus number */
1305 	u8 end_bus_number;	/* Final PCI Bus number */
1306 	u32 reserved;
1307 };
1308 
1309 /*******************************************************************************
1310  *
1311  * MCHI - Management Controller Host Interface Table
1312  *        Version 1
1313  *
1314  * Conforms to "Management Component Transport Protocol (MCTP) Host
1315  * Interface Specification", Revision 1.0.0a, October 13, 2009
1316  *
1317  ******************************************************************************/
1318 
1319 struct acpi_table_mchi {
1320 	struct acpi_table_header header;	/* Common ACPI table header */
1321 	u8 interface_type;
1322 	u8 protocol;
1323 	u64 protocol_data;
1324 	u8 interrupt_type;
1325 	u8 gpe;
1326 	u8 pci_device_flag;
1327 	u32 global_interrupt;
1328 	struct acpi_generic_address control_register;
1329 	u8 pci_segment;
1330 	u8 pci_bus;
1331 	u8 pci_device;
1332 	u8 pci_function;
1333 };
1334 
1335 /*******************************************************************************
1336  *
1337  * MPST - Memory Power State Table (ACPI 5.0)
1338  *        Version 1
1339  *
1340  ******************************************************************************/
1341 
1342 #define ACPI_MPST_CHANNEL_INFO \
1343 	u8                              channel_id; \
1344 	u8                              reserved1[3]; \
1345 	u16                             power_node_count; \
1346 	u16                             reserved2;
1347 
1348 /* Main table */
1349 
1350 struct acpi_table_mpst {
1351 	struct acpi_table_header header;	/* Common ACPI table header */
1352 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1353 };
1354 
1355 /* Memory Platform Communication Channel Info */
1356 
1357 struct acpi_mpst_channel {
1358 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1359 };
1360 
1361 /* Memory Power Node Structure */
1362 
1363 struct acpi_mpst_power_node {
1364 	u8 flags;
1365 	u8 reserved1;
1366 	u16 node_id;
1367 	u32 length;
1368 	u64 range_address;
1369 	u64 range_length;
1370 	u32 num_power_states;
1371 	u32 num_physical_components;
1372 };
1373 
1374 /* Values for Flags field above */
1375 
1376 #define ACPI_MPST_ENABLED               1
1377 #define ACPI_MPST_POWER_MANAGED         2
1378 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1379 
1380 /* Memory Power State Structure (follows POWER_NODE above) */
1381 
1382 struct acpi_mpst_power_state {
1383 	u8 power_state;
1384 	u8 info_index;
1385 };
1386 
1387 /* Physical Component ID Structure (follows POWER_STATE above) */
1388 
1389 struct acpi_mpst_component {
1390 	u16 component_id;
1391 };
1392 
1393 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1394 
1395 struct acpi_mpst_data_hdr {
1396 	u16 characteristics_count;
1397 	u16 reserved;
1398 };
1399 
1400 struct acpi_mpst_power_data {
1401 	u8 structure_id;
1402 	u8 flags;
1403 	u16 reserved1;
1404 	u32 average_power;
1405 	u32 power_saving;
1406 	u64 exit_latency;
1407 	u64 reserved2;
1408 };
1409 
1410 /* Values for Flags field above */
1411 
1412 #define ACPI_MPST_PRESERVE              1
1413 #define ACPI_MPST_AUTOENTRY             2
1414 #define ACPI_MPST_AUTOEXIT              4
1415 
1416 /* Shared Memory Region (not part of an ACPI table) */
1417 
1418 struct acpi_mpst_shared {
1419 	u32 signature;
1420 	u16 pcc_command;
1421 	u16 pcc_status;
1422 	u32 command_register;
1423 	u32 status_register;
1424 	u32 power_state_id;
1425 	u32 power_node_id;
1426 	u64 energy_consumed;
1427 	u64 average_power;
1428 };
1429 
1430 /*******************************************************************************
1431  *
1432  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1433  *        Version 1
1434  *
1435  ******************************************************************************/
1436 
1437 struct acpi_table_msct {
1438 	struct acpi_table_header header;	/* Common ACPI table header */
1439 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1440 	u32 max_proximity_domains;	/* Max number of proximity domains */
1441 	u32 max_clock_domains;	/* Max number of clock domains */
1442 	u64 max_address;	/* Max physical address in system */
1443 };
1444 
1445 /* subtable - Maximum Proximity Domain Information. Version 1 */
1446 
1447 struct acpi_msct_proximity {
1448 	u8 revision;
1449 	u8 length;
1450 	u32 range_start;	/* Start of domain range */
1451 	u32 range_end;		/* End of domain range */
1452 	u32 processor_capacity;
1453 	u64 memory_capacity;	/* In bytes */
1454 };
1455 
1456 /*******************************************************************************
1457  *
1458  * MSDM - Microsoft Data Management table
1459  *
1460  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1461  * November 29, 2011. Copyright 2011 Microsoft
1462  *
1463  ******************************************************************************/
1464 
1465 /* Basic MSDM table is only the common ACPI header */
1466 
1467 struct acpi_table_msdm {
1468 	struct acpi_table_header header;	/* Common ACPI table header */
1469 };
1470 
1471 /*******************************************************************************
1472  *
1473  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1474  *        Version 1
1475  *
1476  ******************************************************************************/
1477 
1478 struct acpi_table_nfit {
1479 	struct acpi_table_header header;	/* Common ACPI table header */
1480 	u32 reserved;		/* Reserved, must be zero */
1481 };
1482 
1483 /* Subtable header for NFIT */
1484 
1485 struct acpi_nfit_header {
1486 	u16 type;
1487 	u16 length;
1488 };
1489 
1490 /* Values for subtable type in struct acpi_nfit_header */
1491 
1492 enum acpi_nfit_type {
1493 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1494 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1495 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1496 	ACPI_NFIT_TYPE_SMBIOS = 3,
1497 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1498 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1499 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1500 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1501 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1502 };
1503 
1504 /*
1505  * NFIT Subtables
1506  */
1507 
1508 /* 0: System Physical Address Range Structure */
1509 
1510 struct acpi_nfit_system_address {
1511 	struct acpi_nfit_header header;
1512 	u16 range_index;
1513 	u16 flags;
1514 	u32 reserved;		/* Reserved, must be zero */
1515 	u32 proximity_domain;
1516 	u8 range_guid[16];
1517 	u64 address;
1518 	u64 length;
1519 	u64 memory_mapping;
1520 	u64 location_cookie;	/* ACPI 6.4 */
1521 };
1522 
1523 /* Flags */
1524 
1525 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1526 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1527 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1528 
1529 /* Range Type GUIDs appear in the include/acuuid.h file */
1530 
1531 /* 1: Memory Device to System Address Range Map Structure */
1532 
1533 struct acpi_nfit_memory_map {
1534 	struct acpi_nfit_header header;
1535 	u32 device_handle;
1536 	u16 physical_id;
1537 	u16 region_id;
1538 	u16 range_index;
1539 	u16 region_index;
1540 	u64 region_size;
1541 	u64 region_offset;
1542 	u64 address;
1543 	u16 interleave_index;
1544 	u16 interleave_ways;
1545 	u16 flags;
1546 	u16 reserved;		/* Reserved, must be zero */
1547 };
1548 
1549 /* Flags */
1550 
1551 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1552 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1553 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1554 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1555 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1556 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1557 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1558 
1559 /* 2: Interleave Structure */
1560 
1561 struct acpi_nfit_interleave {
1562 	struct acpi_nfit_header header;
1563 	u16 interleave_index;
1564 	u16 reserved;		/* Reserved, must be zero */
1565 	u32 line_count;
1566 	u32 line_size;
1567 	u32 line_offset[1];	/* Variable length */
1568 };
1569 
1570 /* 3: SMBIOS Management Information Structure */
1571 
1572 struct acpi_nfit_smbios {
1573 	struct acpi_nfit_header header;
1574 	u32 reserved;		/* Reserved, must be zero */
1575 	u8 data[1];		/* Variable length */
1576 };
1577 
1578 /* 4: NVDIMM Control Region Structure */
1579 
1580 struct acpi_nfit_control_region {
1581 	struct acpi_nfit_header header;
1582 	u16 region_index;
1583 	u16 vendor_id;
1584 	u16 device_id;
1585 	u16 revision_id;
1586 	u16 subsystem_vendor_id;
1587 	u16 subsystem_device_id;
1588 	u16 subsystem_revision_id;
1589 	u8 valid_fields;
1590 	u8 manufacturing_location;
1591 	u16 manufacturing_date;
1592 	u8 reserved[2];		/* Reserved, must be zero */
1593 	u32 serial_number;
1594 	u16 code;
1595 	u16 windows;
1596 	u64 window_size;
1597 	u64 command_offset;
1598 	u64 command_size;
1599 	u64 status_offset;
1600 	u64 status_size;
1601 	u16 flags;
1602 	u8 reserved1[6];	/* Reserved, must be zero */
1603 };
1604 
1605 /* Flags */
1606 
1607 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1608 
1609 /* valid_fields bits */
1610 
1611 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1612 
1613 /* 5: NVDIMM Block Data Window Region Structure */
1614 
1615 struct acpi_nfit_data_region {
1616 	struct acpi_nfit_header header;
1617 	u16 region_index;
1618 	u16 windows;
1619 	u64 offset;
1620 	u64 size;
1621 	u64 capacity;
1622 	u64 start_address;
1623 };
1624 
1625 /* 6: Flush Hint Address Structure */
1626 
1627 struct acpi_nfit_flush_address {
1628 	struct acpi_nfit_header header;
1629 	u32 device_handle;
1630 	u16 hint_count;
1631 	u8 reserved[6];		/* Reserved, must be zero */
1632 	u64 hint_address[1];	/* Variable length */
1633 };
1634 
1635 /* 7: Platform Capabilities Structure */
1636 
1637 struct acpi_nfit_capabilities {
1638 	struct acpi_nfit_header header;
1639 	u8 highest_capability;
1640 	u8 reserved[3];		/* Reserved, must be zero */
1641 	u32 capabilities;
1642 	u32 reserved2;
1643 };
1644 
1645 /* Capabilities Flags */
1646 
1647 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1648 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1649 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1650 
1651 /*
1652  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1653  */
1654 struct nfit_device_handle {
1655 	u32 handle;
1656 };
1657 
1658 /* Device handle construction and extraction macros */
1659 
1660 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1661 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1662 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1663 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1664 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1665 
1666 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1667 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1668 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1669 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1670 #define ACPI_NFIT_NODE_ID_OFFSET                16
1671 
1672 /* Macro to construct a NFIT/NVDIMM device handle */
1673 
1674 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1675 	((dimm)                                         | \
1676 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1677 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1678 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1679 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1680 
1681 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1682 
1683 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1684 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1685 
1686 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1687 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1688 
1689 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1690 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1691 
1692 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1693 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1694 
1695 #define ACPI_NFIT_GET_NODE_ID(handle) \
1696 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1697 
1698 /*******************************************************************************
1699  *
1700  * NHLT - Non HD Audio Link Table
1701  *
1702  * Conforms to: Intel Smart Sound Technology NHLT Specification
1703  * Version 0.8.1, January 2020.
1704  *
1705  ******************************************************************************/
1706 
1707 /* Main table */
1708 
1709 struct acpi_table_nhlt {
1710 	struct acpi_table_header header;	/* Common ACPI table header */
1711 	u8 endpoint_count;
1712 };
1713 
1714 struct acpi_nhlt_endpoint {
1715 	u32 descriptor_length;
1716 	u8 link_type;
1717 	u8 instance_id;
1718 	u16 vendor_id;
1719 	u16 device_id;
1720 	u16 revision_id;
1721 	u32 subsystem_id;
1722 	u8 device_type;
1723 	u8 direction;
1724 	u8 virtual_bus_id;
1725 };
1726 
1727 /* Types for link_type field above */
1728 
1729 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1730 #define ACPI_NHLT_RESERVED_DSP              1
1731 #define ACPI_NHLT_PDM                       2
1732 #define ACPI_NHLT_SSP                       3
1733 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1734 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1735 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1736 
1737 /* All other values above are reserved */
1738 
1739 /* Values for device_id field above */
1740 
1741 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1742 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1743 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1744 
1745 /* Values for device_type field above */
1746 
1747 /* SSP Link */
1748 
1749 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1750 #define ACPI_NHLT_LINK_FM                   1
1751 #define ACPI_NHLT_LINK_MODEM                2
1752 /* 3 is reserved */
1753 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1754 
1755 /* PDM Link */
1756 
1757 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1758 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1759 
1760 /* Values for Direction field above */
1761 
1762 #define ACPI_NHLT_DIR_RENDER                0
1763 #define ACPI_NHLT_DIR_CAPTURE               1
1764 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1765 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1766 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1767 
1768 struct acpi_nhlt_device_specific_config {
1769 	u32 capabilities_size;
1770 	u8 virtual_slot;
1771 	u8 config_type;
1772 };
1773 
1774 struct acpi_nhlt_device_specific_config_a {
1775 	u32 capabilities_size;
1776 	u8 virtual_slot;
1777 	u8 config_type;
1778 	u8 array_type;
1779 };
1780 
1781 /* Values for Config Type above */
1782 
1783 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1784 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1785 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1786 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1787 
1788 struct acpi_nhlt_device_specific_config_b {
1789 	u32 capabilities_size;
1790 };
1791 
1792 struct acpi_nhlt_device_specific_config_c {
1793 	u32 capabilities_size;
1794 	u8 virtual_slot;
1795 };
1796 
1797 struct acpi_nhlt_render_device_specific_config {
1798 	u32 capabilities_size;
1799 	u8 virtual_slot;
1800 };
1801 
1802 struct acpi_nhlt_wave_extensible {
1803 	u16 format_tag;
1804 	u16 channel_count;
1805 	u32 samples_per_sec;
1806 	u32 avg_bytes_per_sec;
1807 	u16 block_align;
1808 	u16 bits_per_sample;
1809 	u16 extra_format_size;
1810 	u16 valid_bits_per_sample;
1811 	u32 channel_mask;
1812 	u8 sub_format_guid[16];
1813 };
1814 
1815 /* Values for channel_mask above */
1816 
1817 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1818 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1819 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1820 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1821 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1822 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1823 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1824 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1825 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1826 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1827 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1828 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1829 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1830 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1831 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1832 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1833 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1834 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1835 
1836 struct acpi_nhlt_format_config {
1837 	struct acpi_nhlt_wave_extensible format;
1838 	u32 capability_size;
1839 	u8 capabilities[];
1840 };
1841 
1842 struct acpi_nhlt_formats_config {
1843 	u8 formats_count;
1844 };
1845 
1846 struct acpi_nhlt_device_specific_hdr {
1847 	u8 virtual_slot;
1848 	u8 config_type;
1849 };
1850 
1851 /* Types for config_type above */
1852 
1853 #define ACPI_NHLT_GENERIC                   0
1854 #define ACPI_NHLT_MIC                       1
1855 #define ACPI_NHLT_RENDER                    3
1856 
1857 struct acpi_nhlt_mic_device_specific_config {
1858 	struct acpi_nhlt_device_specific_hdr device_config;
1859 	u8 array_type_ext;
1860 };
1861 
1862 /* Values for array_type_ext above */
1863 
1864 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
1865 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
1866 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
1867 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
1868 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
1869 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
1870 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
1871 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
1872 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
1873 
1874 #define ACPI_NHLT_NO_EXTENSION                      0x0
1875 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
1876 
1877 struct acpi_nhlt_vendor_mic_count {
1878 	u8 microphone_count;
1879 };
1880 
1881 struct acpi_nhlt_vendor_mic_config {
1882 	u8 type;
1883 	u8 panel;
1884 	u16 speaker_position_distance;	/* mm */
1885 	u16 horizontal_offset;	/* mm */
1886 	u16 vertical_offset;	/* mm */
1887 	u8 frequency_low_band;	/* 5*Hz */
1888 	u8 frequency_high_band;	/* 500*Hz */
1889 	u16 direction_angle;	/* -180 - + 180 */
1890 	u16 elevation_angle;	/* -180 - + 180 */
1891 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
1892 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
1893 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
1894 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
1895 };
1896 
1897 /* Values for Type field above */
1898 
1899 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
1900 #define ACPI_NHLT_MIC_SUBCARDIOID           1
1901 #define ACPI_NHLT_MIC_CARDIOID              2
1902 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
1903 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
1904 #define ACPI_NHLT_MIC_8_SHAPED              5
1905 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
1906 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
1907 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
1908 
1909 /* Values for Panel field above */
1910 
1911 #define ACPI_NHLT_MIC_POSITION_TOP          0
1912 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
1913 #define ACPI_NHLT_MIC_POSITION_LEFT         2
1914 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
1915 #define ACPI_NHLT_MIC_POSITION_FRONT        4
1916 #define ACPI_NHLT_MIC_POSITION_BACK         5
1917 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
1918 
1919 struct acpi_nhlt_vendor_mic_device_specific_config {
1920 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
1921 	u8 number_of_microphones;
1922 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
1923 };
1924 
1925 /* Microphone SNR and Sensitivity extension */
1926 
1927 struct acpi_nhlt_mic_snr_sensitivity_extension {
1928 	u32 SNR;
1929 	u32 sensitivity;
1930 };
1931 
1932 /* Render device with feedback */
1933 
1934 struct acpi_nhlt_render_feedback_device_specific_config {
1935 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
1936 	u16 feedback_channels;	/* Informative only */
1937 	u16 feedback_valid_bits_per_sample;
1938 };
1939 
1940 /* Non documented structures */
1941 
1942 struct acpi_nhlt_device_info_count {
1943 	u8 structure_count;
1944 };
1945 
1946 struct acpi_nhlt_device_info {
1947 	u8 device_id[16];
1948 	u8 device_instance_id;
1949 	u8 device_port_id;
1950 };
1951 
1952 /*******************************************************************************
1953  *
1954  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1955  *        Version 2 (ACPI 6.2)
1956  *
1957  ******************************************************************************/
1958 
1959 struct acpi_table_pcct {
1960 	struct acpi_table_header header;	/* Common ACPI table header */
1961 	u32 flags;
1962 	u64 reserved;
1963 };
1964 
1965 /* Values for Flags field above */
1966 
1967 #define ACPI_PCCT_DOORBELL              1
1968 
1969 /* Values for subtable type in struct acpi_subtable_header */
1970 
1971 enum acpi_pcct_type {
1972 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1973 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1974 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1975 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1976 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1977 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1978 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1979 };
1980 
1981 /*
1982  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1983  */
1984 
1985 /* 0: Generic Communications Subspace */
1986 
1987 struct acpi_pcct_subspace {
1988 	struct acpi_subtable_header header;
1989 	u8 reserved[6];
1990 	u64 base_address;
1991 	u64 length;
1992 	struct acpi_generic_address doorbell_register;
1993 	u64 preserve_mask;
1994 	u64 write_mask;
1995 	u32 latency;
1996 	u32 max_access_rate;
1997 	u16 min_turnaround_time;
1998 };
1999 
2000 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2001 
2002 struct acpi_pcct_hw_reduced {
2003 	struct acpi_subtable_header header;
2004 	u32 platform_interrupt;
2005 	u8 flags;
2006 	u8 reserved;
2007 	u64 base_address;
2008 	u64 length;
2009 	struct acpi_generic_address doorbell_register;
2010 	u64 preserve_mask;
2011 	u64 write_mask;
2012 	u32 latency;
2013 	u32 max_access_rate;
2014 	u16 min_turnaround_time;
2015 };
2016 
2017 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2018 
2019 struct acpi_pcct_hw_reduced_type2 {
2020 	struct acpi_subtable_header header;
2021 	u32 platform_interrupt;
2022 	u8 flags;
2023 	u8 reserved;
2024 	u64 base_address;
2025 	u64 length;
2026 	struct acpi_generic_address doorbell_register;
2027 	u64 preserve_mask;
2028 	u64 write_mask;
2029 	u32 latency;
2030 	u32 max_access_rate;
2031 	u16 min_turnaround_time;
2032 	struct acpi_generic_address platform_ack_register;
2033 	u64 ack_preserve_mask;
2034 	u64 ack_write_mask;
2035 };
2036 
2037 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2038 
2039 struct acpi_pcct_ext_pcc_master {
2040 	struct acpi_subtable_header header;
2041 	u32 platform_interrupt;
2042 	u8 flags;
2043 	u8 reserved1;
2044 	u64 base_address;
2045 	u32 length;
2046 	struct acpi_generic_address doorbell_register;
2047 	u64 preserve_mask;
2048 	u64 write_mask;
2049 	u32 latency;
2050 	u32 max_access_rate;
2051 	u32 min_turnaround_time;
2052 	struct acpi_generic_address platform_ack_register;
2053 	u64 ack_preserve_mask;
2054 	u64 ack_set_mask;
2055 	u64 reserved2;
2056 	struct acpi_generic_address cmd_complete_register;
2057 	u64 cmd_complete_mask;
2058 	struct acpi_generic_address cmd_update_register;
2059 	u64 cmd_update_preserve_mask;
2060 	u64 cmd_update_set_mask;
2061 	struct acpi_generic_address error_status_register;
2062 	u64 error_status_mask;
2063 };
2064 
2065 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2066 
2067 struct acpi_pcct_ext_pcc_slave {
2068 	struct acpi_subtable_header header;
2069 	u32 platform_interrupt;
2070 	u8 flags;
2071 	u8 reserved1;
2072 	u64 base_address;
2073 	u32 length;
2074 	struct acpi_generic_address doorbell_register;
2075 	u64 preserve_mask;
2076 	u64 write_mask;
2077 	u32 latency;
2078 	u32 max_access_rate;
2079 	u32 min_turnaround_time;
2080 	struct acpi_generic_address platform_ack_register;
2081 	u64 ack_preserve_mask;
2082 	u64 ack_set_mask;
2083 	u64 reserved2;
2084 	struct acpi_generic_address cmd_complete_register;
2085 	u64 cmd_complete_mask;
2086 	struct acpi_generic_address cmd_update_register;
2087 	u64 cmd_update_preserve_mask;
2088 	u64 cmd_update_set_mask;
2089 	struct acpi_generic_address error_status_register;
2090 	u64 error_status_mask;
2091 };
2092 
2093 /* 5: HW Registers based Communications Subspace */
2094 
2095 struct acpi_pcct_hw_reg {
2096 	struct acpi_subtable_header header;
2097 	u16 version;
2098 	u64 base_address;
2099 	u64 length;
2100 	struct acpi_generic_address doorbell_register;
2101 	u64 doorbell_preserve;
2102 	u64 doorbell_write;
2103 	struct acpi_generic_address cmd_complete_register;
2104 	u64 cmd_complete_mask;
2105 	struct acpi_generic_address error_status_register;
2106 	u64 error_status_mask;
2107 	u32 nominal_latency;
2108 	u32 min_turnaround_time;
2109 };
2110 
2111 /* Values for doorbell flags above */
2112 
2113 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2114 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2115 
2116 /*
2117  * PCC memory structures (not part of the ACPI table)
2118  */
2119 
2120 /* Shared Memory Region */
2121 
2122 struct acpi_pcct_shared_memory {
2123 	u32 signature;
2124 	u16 command;
2125 	u16 status;
2126 };
2127 
2128 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2129 
2130 struct acpi_pcct_ext_pcc_shared_memory {
2131 	u32 signature;
2132 	u32 flags;
2133 	u32 length;
2134 	u32 command;
2135 };
2136 
2137 /*******************************************************************************
2138  *
2139  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2140  *        Version 0
2141  *
2142  ******************************************************************************/
2143 
2144 struct acpi_table_pdtt {
2145 	struct acpi_table_header header;	/* Common ACPI table header */
2146 	u8 trigger_count;
2147 	u8 reserved[3];
2148 	u32 array_offset;
2149 };
2150 
2151 /*
2152  * PDTT Communication Channel Identifier Structure.
2153  * The number of these structures is defined by trigger_count above,
2154  * starting at array_offset.
2155  */
2156 struct acpi_pdtt_channel {
2157 	u8 subchannel_id;
2158 	u8 flags;
2159 };
2160 
2161 /* Flags for above */
2162 
2163 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2164 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2165 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2166 
2167 /*******************************************************************************
2168  *
2169  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2170  *        Version 1
2171  *
2172  ******************************************************************************/
2173 
2174 struct acpi_table_phat {
2175 	struct acpi_table_header header;	/* Common ACPI table header */
2176 };
2177 
2178 /* Common header for PHAT subtables that follow main table */
2179 
2180 struct acpi_phat_header {
2181 	u16 type;
2182 	u16 length;
2183 	u8 revision;
2184 };
2185 
2186 /* Values for Type field above */
2187 
2188 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2189 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2190 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2191 
2192 /*
2193  * PHAT subtables, correspond to Type in struct acpi_phat_header
2194  */
2195 
2196 /* 0: Firmware Version Data Record */
2197 
2198 struct acpi_phat_version_data {
2199 	struct acpi_phat_header header;
2200 	u8 reserved[3];
2201 	u32 element_count;
2202 };
2203 
2204 struct acpi_phat_version_element {
2205 	u8 guid[16];
2206 	u64 version_value;
2207 	u32 producer_id;
2208 };
2209 
2210 /* 1: Firmware Health Data Record */
2211 
2212 struct acpi_phat_health_data {
2213 	struct acpi_phat_header header;
2214 	u8 reserved[2];
2215 	u8 health;
2216 	u8 device_guid[16];
2217 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2218 };
2219 
2220 /* Values for Health field above */
2221 
2222 #define ACPI_PHAT_ERRORS_FOUND          0
2223 #define ACPI_PHAT_NO_ERRORS             1
2224 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2225 #define ACPI_PHAT_ADVISORY              3
2226 
2227 /*******************************************************************************
2228  *
2229  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2230  *        Version 1
2231  *
2232  ******************************************************************************/
2233 
2234 struct acpi_table_pmtt {
2235 	struct acpi_table_header header;	/* Common ACPI table header */
2236 	u32 memory_device_count;
2237 	/*
2238 	 * Immediately followed by:
2239 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2240 	 */
2241 };
2242 
2243 /* Common header for PMTT subtables that follow main table */
2244 
2245 struct acpi_pmtt_header {
2246 	u8 type;
2247 	u8 reserved1;
2248 	u16 length;
2249 	u16 flags;
2250 	u16 reserved2;
2251 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2252 	/*
2253 	 * Immediately followed by:
2254 	 * u8 type_specific_data[]
2255 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2256 	 */
2257 };
2258 
2259 /* Values for Type field above */
2260 
2261 #define ACPI_PMTT_TYPE_SOCKET           0
2262 #define ACPI_PMTT_TYPE_CONTROLLER       1
2263 #define ACPI_PMTT_TYPE_DIMM             2
2264 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2265 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2266 
2267 /* Values for Flags field above */
2268 
2269 #define ACPI_PMTT_TOP_LEVEL             0x0001
2270 #define ACPI_PMTT_PHYSICAL              0x0002
2271 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2272 
2273 /*
2274  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2275  */
2276 
2277 /* 0: Socket Structure */
2278 
2279 struct acpi_pmtt_socket {
2280 	struct acpi_pmtt_header header;
2281 	u16 socket_id;
2282 	u16 reserved;
2283 };
2284 	/*
2285 	 * Immediately followed by:
2286 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2287 	 */
2288 
2289 /* 1: Memory Controller subtable */
2290 
2291 struct acpi_pmtt_controller {
2292 	struct acpi_pmtt_header header;
2293 	u16 controller_id;
2294 	u16 reserved;
2295 };
2296 	/*
2297 	 * Immediately followed by:
2298 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2299 	 */
2300 
2301 /* 2: Physical Component Identifier (DIMM) */
2302 
2303 struct acpi_pmtt_physical_component {
2304 	struct acpi_pmtt_header header;
2305 	u32 bios_handle;
2306 };
2307 
2308 /* 0xFF: Vendor Specific Data */
2309 
2310 struct acpi_pmtt_vendor_specific {
2311 	struct acpi_pmtt_header header;
2312 	u8 type_uuid[16];
2313 	u8 specific[];
2314 	/*
2315 	 * Immediately followed by:
2316 	 * u8 vendor_specific_data[];
2317 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2318 	 */
2319 };
2320 
2321 /*******************************************************************************
2322  *
2323  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2324  *        Version 1
2325  *
2326  ******************************************************************************/
2327 
2328 struct acpi_table_pptt {
2329 	struct acpi_table_header header;	/* Common ACPI table header */
2330 };
2331 
2332 /* Values for Type field above */
2333 
2334 enum acpi_pptt_type {
2335 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2336 	ACPI_PPTT_TYPE_CACHE = 1,
2337 	ACPI_PPTT_TYPE_ID = 2,
2338 	ACPI_PPTT_TYPE_RESERVED = 3
2339 };
2340 
2341 /* 0: Processor Hierarchy Node Structure */
2342 
2343 struct acpi_pptt_processor {
2344 	struct acpi_subtable_header header;
2345 	u16 reserved;
2346 	u32 flags;
2347 	u32 parent;
2348 	u32 acpi_processor_id;
2349 	u32 number_of_priv_resources;
2350 };
2351 
2352 /* Flags */
2353 
2354 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2355 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2356 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2357 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2358 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2359 
2360 /* 1: Cache Type Structure */
2361 
2362 struct acpi_pptt_cache {
2363 	struct acpi_subtable_header header;
2364 	u16 reserved;
2365 	u32 flags;
2366 	u32 next_level_of_cache;
2367 	u32 size;
2368 	u32 number_of_sets;
2369 	u8 associativity;
2370 	u8 attributes;
2371 	u16 line_size;
2372 };
2373 
2374 /* 1: Cache Type Structure for PPTT version 3 */
2375 
2376 struct acpi_pptt_cache_v1 {
2377 	u32 cache_id;
2378 };
2379 
2380 /* Flags */
2381 
2382 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2383 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2384 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2385 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2386 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2387 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2388 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2389 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2390 
2391 /* Masks for Attributes */
2392 
2393 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2394 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2395 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2396 
2397 /* Attributes describing cache */
2398 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2399 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2400 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2401 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2402 
2403 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2404 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2405 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2406 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2407 
2408 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2409 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2410 
2411 /* 2: ID Structure */
2412 
2413 struct acpi_pptt_id {
2414 	struct acpi_subtable_header header;
2415 	u16 reserved;
2416 	u32 vendor_id;
2417 	u64 level1_id;
2418 	u64 level2_id;
2419 	u16 major_rev;
2420 	u16 minor_rev;
2421 	u16 spin_rev;
2422 };
2423 
2424 /*******************************************************************************
2425  *
2426  * PRMT - Platform Runtime Mechanism Table
2427  *        Version 1
2428  *
2429  ******************************************************************************/
2430 
2431 struct acpi_table_prmt {
2432 	struct acpi_table_header header;	/* Common ACPI table header */
2433 };
2434 
2435 struct acpi_table_prmt_header {
2436 	u8 platform_guid[16];
2437 	u32 module_info_offset;
2438 	u32 module_info_count;
2439 };
2440 
2441 struct acpi_prmt_module_header {
2442 	u16 revision;
2443 	u16 length;
2444 };
2445 
2446 struct acpi_prmt_module_info {
2447 	u16 revision;
2448 	u16 length;
2449 	u8 module_guid[16];
2450 	u16 major_rev;
2451 	u16 minor_rev;
2452 	u16 handler_info_count;
2453 	u32 handler_info_offset;
2454 	u64 mmio_list_pointer;
2455 };
2456 
2457 struct acpi_prmt_handler_info {
2458 	u16 revision;
2459 	u16 length;
2460 	u8 handler_guid[16];
2461 	u64 handler_address;
2462 	u64 static_data_buffer_address;
2463 	u64 acpi_param_buffer_address;
2464 };
2465 
2466 /*******************************************************************************
2467  *
2468  * RASF - RAS Feature Table (ACPI 5.0)
2469  *        Version 1
2470  *
2471  ******************************************************************************/
2472 
2473 struct acpi_table_rasf {
2474 	struct acpi_table_header header;	/* Common ACPI table header */
2475 	u8 channel_id[12];
2476 };
2477 
2478 /* RASF Platform Communication Channel Shared Memory Region */
2479 
2480 struct acpi_rasf_shared_memory {
2481 	u32 signature;
2482 	u16 command;
2483 	u16 status;
2484 	u16 version;
2485 	u8 capabilities[16];
2486 	u8 set_capabilities[16];
2487 	u16 num_parameter_blocks;
2488 	u32 set_capabilities_status;
2489 };
2490 
2491 /* RASF Parameter Block Structure Header */
2492 
2493 struct acpi_rasf_parameter_block {
2494 	u16 type;
2495 	u16 version;
2496 	u16 length;
2497 };
2498 
2499 /* RASF Parameter Block Structure for PATROL_SCRUB */
2500 
2501 struct acpi_rasf_patrol_scrub_parameter {
2502 	struct acpi_rasf_parameter_block header;
2503 	u16 patrol_scrub_command;
2504 	u64 requested_address_range[2];
2505 	u64 actual_address_range[2];
2506 	u16 flags;
2507 	u8 requested_speed;
2508 };
2509 
2510 /* Masks for Flags and Speed fields above */
2511 
2512 #define ACPI_RASF_SCRUBBER_RUNNING      1
2513 #define ACPI_RASF_SPEED                 (7<<1)
2514 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2515 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2516 #define ACPI_RASF_SPEED_FAST            (7<<1)
2517 
2518 /* Channel Commands */
2519 
2520 enum acpi_rasf_commands {
2521 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2522 };
2523 
2524 /* Platform RAS Capabilities */
2525 
2526 enum acpi_rasf_capabiliities {
2527 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2528 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2529 };
2530 
2531 /* Patrol Scrub Commands */
2532 
2533 enum acpi_rasf_patrol_scrub_commands {
2534 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2535 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2536 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2537 };
2538 
2539 /* Channel Command flags */
2540 
2541 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2542 
2543 /* Status values */
2544 
2545 enum acpi_rasf_status {
2546 	ACPI_RASF_SUCCESS = 0,
2547 	ACPI_RASF_NOT_VALID = 1,
2548 	ACPI_RASF_NOT_SUPPORTED = 2,
2549 	ACPI_RASF_BUSY = 3,
2550 	ACPI_RASF_FAILED = 4,
2551 	ACPI_RASF_ABORTED = 5,
2552 	ACPI_RASF_INVALID_DATA = 6
2553 };
2554 
2555 /* Status flags */
2556 
2557 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2558 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2559 #define ACPI_RASF_ERROR                 (1<<2)
2560 #define ACPI_RASF_STATUS                (0x1F<<3)
2561 
2562 /*******************************************************************************
2563  *
2564  * RGRT - Regulatory Graphics Resource Table
2565  *        Version 1
2566  *
2567  * Conforms to "ACPI RGRT" available at:
2568  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2569  *
2570  ******************************************************************************/
2571 
2572 struct acpi_table_rgrt {
2573 	struct acpi_table_header header;	/* Common ACPI table header */
2574 	u16 version;
2575 	u8 image_type;
2576 	u8 reserved;
2577 	u8 image[];
2578 };
2579 
2580 /* image_type values */
2581 
2582 enum acpi_rgrt_image_type {
2583 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2584 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2585 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2586 };
2587 
2588 /*******************************************************************************
2589  *
2590  * SBST - Smart Battery Specification Table
2591  *        Version 1
2592  *
2593  ******************************************************************************/
2594 
2595 struct acpi_table_sbst {
2596 	struct acpi_table_header header;	/* Common ACPI table header */
2597 	u32 warning_level;
2598 	u32 low_level;
2599 	u32 critical_level;
2600 };
2601 
2602 /*******************************************************************************
2603  *
2604  * SDEI - Software Delegated Exception Interface Descriptor Table
2605  *
2606  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2607  * May 8th, 2017. Copyright 2017 ARM Ltd.
2608  *
2609  ******************************************************************************/
2610 
2611 struct acpi_table_sdei {
2612 	struct acpi_table_header header;	/* Common ACPI table header */
2613 };
2614 
2615 /*******************************************************************************
2616  *
2617  * SDEV - Secure Devices Table (ACPI 6.2)
2618  *        Version 1
2619  *
2620  ******************************************************************************/
2621 
2622 struct acpi_table_sdev {
2623 	struct acpi_table_header header;	/* Common ACPI table header */
2624 };
2625 
2626 struct acpi_sdev_header {
2627 	u8 type;
2628 	u8 flags;
2629 	u16 length;
2630 };
2631 
2632 /* Values for subtable type above */
2633 
2634 enum acpi_sdev_type {
2635 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2636 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2637 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2638 };
2639 
2640 /* Values for flags above */
2641 
2642 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2643 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2644 
2645 /*
2646  * SDEV subtables
2647  */
2648 
2649 /* 0: Namespace Device Based Secure Device Structure */
2650 
2651 struct acpi_sdev_namespace {
2652 	struct acpi_sdev_header header;
2653 	u16 device_id_offset;
2654 	u16 device_id_length;
2655 	u16 vendor_data_offset;
2656 	u16 vendor_data_length;
2657 };
2658 
2659 struct acpi_sdev_secure_component {
2660 	u16 secure_component_offset;
2661 	u16 secure_component_length;
2662 };
2663 
2664 /*
2665  * SDEV sub-subtables ("Components") for above
2666  */
2667 struct acpi_sdev_component {
2668 	struct acpi_sdev_header header;
2669 };
2670 
2671 /* Values for sub-subtable type above */
2672 
2673 enum acpi_sac_type {
2674 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2675 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2676 };
2677 
2678 struct acpi_sdev_id_component {
2679 	struct acpi_sdev_header header;
2680 	u16 hardware_id_offset;
2681 	u16 hardware_id_length;
2682 	u16 subsystem_id_offset;
2683 	u16 subsystem_id_length;
2684 	u16 hardware_revision;
2685 	u8 hardware_rev_present;
2686 	u8 class_code_present;
2687 	u8 pci_base_class;
2688 	u8 pci_sub_class;
2689 	u8 pci_programming_xface;
2690 };
2691 
2692 struct acpi_sdev_mem_component {
2693 	struct acpi_sdev_header header;
2694 	u32 reserved;
2695 	u64 memory_base_address;
2696 	u64 memory_length;
2697 };
2698 
2699 /* 1: PCIe Endpoint Device Based Device Structure */
2700 
2701 struct acpi_sdev_pcie {
2702 	struct acpi_sdev_header header;
2703 	u16 segment;
2704 	u16 start_bus;
2705 	u16 path_offset;
2706 	u16 path_length;
2707 	u16 vendor_data_offset;
2708 	u16 vendor_data_length;
2709 };
2710 
2711 /* 1a: PCIe Endpoint path entry */
2712 
2713 struct acpi_sdev_pcie_path {
2714 	u8 device;
2715 	u8 function;
2716 };
2717 
2718 /*******************************************************************************
2719  *
2720  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2721  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2722  *        Trust Domain Extensions (Intel TDX)".
2723  *        Version 1
2724  *
2725  ******************************************************************************/
2726 
2727 struct acpi_table_svkl {
2728 	struct acpi_table_header header;	/* Common ACPI table header */
2729 	u32 count;
2730 };
2731 
2732 struct acpi_svkl_key {
2733 	u16 type;
2734 	u16 format;
2735 	u32 size;
2736 	u64 address;
2737 };
2738 
2739 enum acpi_svkl_type {
2740 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2741 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2742 };
2743 
2744 enum acpi_svkl_format {
2745 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2746 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2747 };
2748 
2749 /*******************************************************************************
2750  *
2751  * TDEL - TD-Event Log
2752  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2753  *        Trust Domain Extensions (Intel TDX)".
2754  *        September 2020
2755  *
2756  ******************************************************************************/
2757 
2758 struct acpi_table_tdel {
2759 	struct acpi_table_header header;	/* Common ACPI table header */
2760 	u32 reserved;
2761 	u64 log_area_minimum_length;
2762 	u64 log_area_start_address;
2763 };
2764 
2765 /* Reset to default packing */
2766 
2767 #pragma pack()
2768 
2769 #endif				/* __ACTBL2_H__ */
2770