xref: /openbmc/linux/include/acpi/actbl2.h (revision 407144eb)
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_IORT           "IORT"	/* IO Remapping Table */
32 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
33 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
34 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
35 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
36 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
37 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
38 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics 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.d, Feb 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 
550 struct acpi_iort_pmcg {
551 	u64 page0_base_address;
552 	u32 overflow_gsiv;
553 	u32 node_reference;
554 	u64 page1_base_address;
555 };
556 
557 struct acpi_iort_rmr {
558 	u32 flags;
559 	u32 rmr_count;
560 	u32 rmr_offset;
561 };
562 
563 /* Masks for Flags field above */
564 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
565 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
566 
567 /*
568  * Macro to access the Access Attributes in flags field above:
569  *  Access Attributes is encoded in bits 9:2
570  */
571 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
572 
573 /* Values for above Access Attributes */
574 
575 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
576 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
577 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
578 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
579 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
580 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
581 
582 struct acpi_iort_rmr_desc {
583 	u64 base_address;
584 	u64 length;
585 	u32 reserved;
586 };
587 
588 /*******************************************************************************
589  *
590  * IVRS - I/O Virtualization Reporting Structure
591  *        Version 1
592  *
593  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
594  * Revision 1.26, February 2009.
595  *
596  ******************************************************************************/
597 
598 struct acpi_table_ivrs {
599 	struct acpi_table_header header;	/* Common ACPI table header */
600 	u32 info;		/* Common virtualization info */
601 	u64 reserved;
602 };
603 
604 /* Values for Info field above */
605 
606 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
607 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
608 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
609 
610 /* IVRS subtable header */
611 
612 struct acpi_ivrs_header {
613 	u8 type;		/* Subtable type */
614 	u8 flags;
615 	u16 length;		/* Subtable length */
616 	u16 device_id;		/* ID of IOMMU */
617 };
618 
619 /* Values for subtable Type above */
620 
621 enum acpi_ivrs_type {
622 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
623 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
624 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
625 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
626 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
627 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
628 };
629 
630 /* Masks for Flags field above for IVHD subtable */
631 
632 #define ACPI_IVHD_TT_ENABLE         (1)
633 #define ACPI_IVHD_PASS_PW           (1<<1)
634 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
635 #define ACPI_IVHD_ISOC              (1<<3)
636 #define ACPI_IVHD_IOTLB             (1<<4)
637 
638 /* Masks for Flags field above for IVMD subtable */
639 
640 #define ACPI_IVMD_UNITY             (1)
641 #define ACPI_IVMD_READ              (1<<1)
642 #define ACPI_IVMD_WRITE             (1<<2)
643 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
644 
645 /*
646  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
647  */
648 
649 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
650 
651 struct acpi_ivrs_hardware_10 {
652 	struct acpi_ivrs_header header;
653 	u16 capability_offset;	/* Offset for IOMMU control fields */
654 	u64 base_address;	/* IOMMU control registers */
655 	u16 pci_segment_group;
656 	u16 info;		/* MSI number and unit ID */
657 	u32 feature_reporting;
658 };
659 
660 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
661 
662 struct acpi_ivrs_hardware_11 {
663 	struct acpi_ivrs_header header;
664 	u16 capability_offset;	/* Offset for IOMMU control fields */
665 	u64 base_address;	/* IOMMU control registers */
666 	u16 pci_segment_group;
667 	u16 info;		/* MSI number and unit ID */
668 	u32 attributes;
669 	u64 efr_register_image;
670 	u64 reserved;
671 };
672 
673 /* Masks for Info field above */
674 
675 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
676 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
677 
678 /*
679  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
680  * Upper two bits of the Type field are the (encoded) length of the structure.
681  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
682  * are reserved for future use but not defined.
683  */
684 struct acpi_ivrs_de_header {
685 	u8 type;
686 	u16 id;
687 	u8 data_setting;
688 };
689 
690 /* Length of device entry is in the top two bits of Type field above */
691 
692 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
693 
694 /* Values for device entry Type field above */
695 
696 enum acpi_ivrs_device_entry_type {
697 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
698 
699 	ACPI_IVRS_TYPE_PAD4 = 0,
700 	ACPI_IVRS_TYPE_ALL = 1,
701 	ACPI_IVRS_TYPE_SELECT = 2,
702 	ACPI_IVRS_TYPE_START = 3,
703 	ACPI_IVRS_TYPE_END = 4,
704 
705 	/* 8-byte device entries */
706 
707 	ACPI_IVRS_TYPE_PAD8 = 64,
708 	ACPI_IVRS_TYPE_NOT_USED = 65,
709 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
710 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
711 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
712 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
713 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
714 
715 	/* Variable-length device entries */
716 
717 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
718 };
719 
720 /* Values for Data field above */
721 
722 #define ACPI_IVHD_INIT_PASS         (1)
723 #define ACPI_IVHD_EINT_PASS         (1<<1)
724 #define ACPI_IVHD_NMI_PASS          (1<<2)
725 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
726 #define ACPI_IVHD_LINT0_PASS        (1<<6)
727 #define ACPI_IVHD_LINT1_PASS        (1<<7)
728 
729 /* Types 0-4: 4-byte device entry */
730 
731 struct acpi_ivrs_device4 {
732 	struct acpi_ivrs_de_header header;
733 };
734 
735 /* Types 66-67: 8-byte device entry */
736 
737 struct acpi_ivrs_device8a {
738 	struct acpi_ivrs_de_header header;
739 	u8 reserved1;
740 	u16 used_id;
741 	u8 reserved2;
742 };
743 
744 /* Types 70-71: 8-byte device entry */
745 
746 struct acpi_ivrs_device8b {
747 	struct acpi_ivrs_de_header header;
748 	u32 extended_data;
749 };
750 
751 /* Values for extended_data above */
752 
753 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
754 
755 /* Type 72: 8-byte device entry */
756 
757 struct acpi_ivrs_device8c {
758 	struct acpi_ivrs_de_header header;
759 	u8 handle;
760 	u16 used_id;
761 	u8 variety;
762 };
763 
764 /* Values for Variety field above */
765 
766 #define ACPI_IVHD_IOAPIC            1
767 #define ACPI_IVHD_HPET              2
768 
769 /* Type 240: variable-length device entry */
770 
771 struct acpi_ivrs_device_hid {
772 	struct acpi_ivrs_de_header header;
773 	u64 acpi_hid;
774 	u64 acpi_cid;
775 	u8 uid_type;
776 	u8 uid_length;
777 };
778 
779 /* Values for uid_type above */
780 
781 #define ACPI_IVRS_UID_NOT_PRESENT   0
782 #define ACPI_IVRS_UID_IS_INTEGER    1
783 #define ACPI_IVRS_UID_IS_STRING     2
784 
785 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
786 
787 struct acpi_ivrs_memory {
788 	struct acpi_ivrs_header header;
789 	u16 aux_data;
790 	u64 reserved;
791 	u64 start_address;
792 	u64 memory_length;
793 };
794 
795 /*******************************************************************************
796  *
797  * LPIT - Low Power Idle Table
798  *
799  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
800  *
801  ******************************************************************************/
802 
803 struct acpi_table_lpit {
804 	struct acpi_table_header header;	/* Common ACPI table header */
805 };
806 
807 /* LPIT subtable header */
808 
809 struct acpi_lpit_header {
810 	u32 type;		/* Subtable type */
811 	u32 length;		/* Subtable length */
812 	u16 unique_id;
813 	u16 reserved;
814 	u32 flags;
815 };
816 
817 /* Values for subtable Type above */
818 
819 enum acpi_lpit_type {
820 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
821 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
822 };
823 
824 /* Masks for Flags field above  */
825 
826 #define ACPI_LPIT_STATE_DISABLED    (1)
827 #define ACPI_LPIT_NO_COUNTER        (1<<1)
828 
829 /*
830  * LPIT subtables, correspond to Type in struct acpi_lpit_header
831  */
832 
833 /* 0x00: Native C-state instruction based LPI structure */
834 
835 struct acpi_lpit_native {
836 	struct acpi_lpit_header header;
837 	struct acpi_generic_address entry_trigger;
838 	u32 residency;
839 	u32 latency;
840 	struct acpi_generic_address residency_counter;
841 	u64 counter_frequency;
842 };
843 
844 /*******************************************************************************
845  *
846  * MADT - Multiple APIC Description Table
847  *        Version 3
848  *
849  ******************************************************************************/
850 
851 struct acpi_table_madt {
852 	struct acpi_table_header header;	/* Common ACPI table header */
853 	u32 address;		/* Physical address of local APIC */
854 	u32 flags;
855 };
856 
857 /* Masks for Flags field above */
858 
859 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
860 
861 /* Values for PCATCompat flag */
862 
863 #define ACPI_MADT_DUAL_PIC          1
864 #define ACPI_MADT_MULTIPLE_APIC     0
865 
866 /* Values for MADT subtable type in struct acpi_subtable_header */
867 
868 enum acpi_madt_type {
869 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
870 	ACPI_MADT_TYPE_IO_APIC = 1,
871 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
872 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
873 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
874 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
875 	ACPI_MADT_TYPE_IO_SAPIC = 6,
876 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
877 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
878 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
879 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
880 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
881 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
882 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
883 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
884 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
885 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
886 	ACPI_MADT_TYPE_CORE_PIC = 17,
887 	ACPI_MADT_TYPE_LIO_PIC = 18,
888 	ACPI_MADT_TYPE_HT_PIC = 19,
889 	ACPI_MADT_TYPE_EIO_PIC = 20,
890 	ACPI_MADT_TYPE_MSI_PIC = 21,
891 	ACPI_MADT_TYPE_BIO_PIC = 22,
892 	ACPI_MADT_TYPE_LPC_PIC = 23,
893 	ACPI_MADT_TYPE_RESERVED = 24,	/* 24 to 0x7F are reserved */
894 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
895 };
896 
897 /*
898  * MADT Subtables, correspond to Type in struct acpi_subtable_header
899  */
900 
901 /* 0: Processor Local APIC */
902 
903 struct acpi_madt_local_apic {
904 	struct acpi_subtable_header header;
905 	u8 processor_id;	/* ACPI processor id */
906 	u8 id;			/* Processor's local APIC id */
907 	u32 lapic_flags;
908 };
909 
910 /* 1: IO APIC */
911 
912 struct acpi_madt_io_apic {
913 	struct acpi_subtable_header header;
914 	u8 id;			/* I/O APIC ID */
915 	u8 reserved;		/* reserved - must be zero */
916 	u32 address;		/* APIC physical address */
917 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
918 };
919 
920 /* 2: Interrupt Override */
921 
922 struct acpi_madt_interrupt_override {
923 	struct acpi_subtable_header header;
924 	u8 bus;			/* 0 - ISA */
925 	u8 source_irq;		/* Interrupt source (IRQ) */
926 	u32 global_irq;		/* Global system interrupt */
927 	u16 inti_flags;
928 };
929 
930 /* 3: NMI Source */
931 
932 struct acpi_madt_nmi_source {
933 	struct acpi_subtable_header header;
934 	u16 inti_flags;
935 	u32 global_irq;		/* Global system interrupt */
936 };
937 
938 /* 4: Local APIC NMI */
939 
940 struct acpi_madt_local_apic_nmi {
941 	struct acpi_subtable_header header;
942 	u8 processor_id;	/* ACPI processor id */
943 	u16 inti_flags;
944 	u8 lint;		/* LINTn to which NMI is connected */
945 };
946 
947 /* 5: Address Override */
948 
949 struct acpi_madt_local_apic_override {
950 	struct acpi_subtable_header header;
951 	u16 reserved;		/* Reserved, must be zero */
952 	u64 address;		/* APIC physical address */
953 };
954 
955 /* 6: I/O Sapic */
956 
957 struct acpi_madt_io_sapic {
958 	struct acpi_subtable_header header;
959 	u8 id;			/* I/O SAPIC ID */
960 	u8 reserved;		/* Reserved, must be zero */
961 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
962 	u64 address;		/* SAPIC physical address */
963 };
964 
965 /* 7: Local Sapic */
966 
967 struct acpi_madt_local_sapic {
968 	struct acpi_subtable_header header;
969 	u8 processor_id;	/* ACPI processor id */
970 	u8 id;			/* SAPIC ID */
971 	u8 eid;			/* SAPIC EID */
972 	u8 reserved[3];		/* Reserved, must be zero */
973 	u32 lapic_flags;
974 	u32 uid;		/* Numeric UID - ACPI 3.0 */
975 	char uid_string[1];	/* String UID  - ACPI 3.0 */
976 };
977 
978 /* 8: Platform Interrupt Source */
979 
980 struct acpi_madt_interrupt_source {
981 	struct acpi_subtable_header header;
982 	u16 inti_flags;
983 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
984 	u8 id;			/* Processor ID */
985 	u8 eid;			/* Processor EID */
986 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
987 	u32 global_irq;		/* Global system interrupt */
988 	u32 flags;		/* Interrupt Source Flags */
989 };
990 
991 /* Masks for Flags field above */
992 
993 #define ACPI_MADT_CPEI_OVERRIDE     (1)
994 
995 /* 9: Processor Local X2APIC (ACPI 4.0) */
996 
997 struct acpi_madt_local_x2apic {
998 	struct acpi_subtable_header header;
999 	u16 reserved;		/* reserved - must be zero */
1000 	u32 local_apic_id;	/* Processor x2APIC ID  */
1001 	u32 lapic_flags;
1002 	u32 uid;		/* ACPI processor UID */
1003 };
1004 
1005 /* 10: Local X2APIC NMI (ACPI 4.0) */
1006 
1007 struct acpi_madt_local_x2apic_nmi {
1008 	struct acpi_subtable_header header;
1009 	u16 inti_flags;
1010 	u32 uid;		/* ACPI processor UID */
1011 	u8 lint;		/* LINTn to which NMI is connected */
1012 	u8 reserved[3];		/* reserved - must be zero */
1013 };
1014 
1015 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
1016 
1017 struct acpi_madt_generic_interrupt {
1018 	struct acpi_subtable_header header;
1019 	u16 reserved;		/* reserved - must be zero */
1020 	u32 cpu_interface_number;
1021 	u32 uid;
1022 	u32 flags;
1023 	u32 parking_version;
1024 	u32 performance_interrupt;
1025 	u64 parked_address;
1026 	u64 base_address;
1027 	u64 gicv_base_address;
1028 	u64 gich_base_address;
1029 	u32 vgic_interrupt;
1030 	u64 gicr_base_address;
1031 	u64 arm_mpidr;
1032 	u8 efficiency_class;
1033 	u8 reserved2[1];
1034 	u16 spe_interrupt;	/* ACPI 6.3 */
1035 };
1036 
1037 /* Masks for Flags field above */
1038 
1039 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1040 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1041 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1042 
1043 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1044 
1045 struct acpi_madt_generic_distributor {
1046 	struct acpi_subtable_header header;
1047 	u16 reserved;		/* reserved - must be zero */
1048 	u32 gic_id;
1049 	u64 base_address;
1050 	u32 global_irq_base;
1051 	u8 version;
1052 	u8 reserved2[3];	/* reserved - must be zero */
1053 };
1054 
1055 /* Values for Version field above */
1056 
1057 enum acpi_madt_gic_version {
1058 	ACPI_MADT_GIC_VERSION_NONE = 0,
1059 	ACPI_MADT_GIC_VERSION_V1 = 1,
1060 	ACPI_MADT_GIC_VERSION_V2 = 2,
1061 	ACPI_MADT_GIC_VERSION_V3 = 3,
1062 	ACPI_MADT_GIC_VERSION_V4 = 4,
1063 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1064 };
1065 
1066 /* 13: Generic MSI Frame (ACPI 5.1) */
1067 
1068 struct acpi_madt_generic_msi_frame {
1069 	struct acpi_subtable_header header;
1070 	u16 reserved;		/* reserved - must be zero */
1071 	u32 msi_frame_id;
1072 	u64 base_address;
1073 	u32 flags;
1074 	u16 spi_count;
1075 	u16 spi_base;
1076 };
1077 
1078 /* Masks for Flags field above */
1079 
1080 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1081 
1082 /* 14: Generic Redistributor (ACPI 5.1) */
1083 
1084 struct acpi_madt_generic_redistributor {
1085 	struct acpi_subtable_header header;
1086 	u16 reserved;		/* reserved - must be zero */
1087 	u64 base_address;
1088 	u32 length;
1089 };
1090 
1091 /* 15: Generic Translator (ACPI 6.0) */
1092 
1093 struct acpi_madt_generic_translator {
1094 	struct acpi_subtable_header header;
1095 	u16 reserved;		/* reserved - must be zero */
1096 	u32 translation_id;
1097 	u64 base_address;
1098 	u32 reserved2;
1099 };
1100 
1101 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1102 
1103 struct acpi_madt_multiproc_wakeup {
1104 	struct acpi_subtable_header header;
1105 	u16 mailbox_version;
1106 	u32 reserved;		/* reserved - must be zero */
1107 	u64 base_address;
1108 };
1109 
1110 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1111 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1112 
1113 struct acpi_madt_multiproc_wakeup_mailbox {
1114 	u16 command;
1115 	u16 reserved;		/* reserved - must be zero */
1116 	u32 apic_id;
1117 	u64 wakeup_vector;
1118 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1119 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1120 };
1121 
1122 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1123 
1124 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1125 
1126 struct acpi_madt_core_pic {
1127 	struct acpi_subtable_header header;
1128 	u8 version;
1129 	u32 processor_id;
1130 	u32 core_id;
1131 	u32 flags;
1132 };
1133 
1134 /* Values for Version field above */
1135 
1136 enum acpi_madt_core_pic_version {
1137 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1138 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1139 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1140 };
1141 
1142 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1143 
1144 struct acpi_madt_lio_pic {
1145 	struct acpi_subtable_header header;
1146 	u8 version;
1147 	u64 address;
1148 	u16 size;
1149 	u8 cascade[2];
1150 	u32 cascade_map[2];
1151 };
1152 
1153 /* Values for Version field above */
1154 
1155 enum acpi_madt_lio_pic_version {
1156 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1157 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1158 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1159 };
1160 
1161 /* 19: HT Interrupt Controller (ACPI 6.5) */
1162 
1163 struct acpi_madt_ht_pic {
1164 	struct acpi_subtable_header header;
1165 	u8 version;
1166 	u64 address;
1167 	u16 size;
1168 	u8 cascade[8];
1169 };
1170 
1171 /* Values for Version field above */
1172 
1173 enum acpi_madt_ht_pic_version {
1174 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1175 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1176 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1177 };
1178 
1179 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1180 
1181 struct acpi_madt_eio_pic {
1182 	struct acpi_subtable_header header;
1183 	u8 version;
1184 	u8 cascade;
1185 	u8 node;
1186 	u64 node_map;
1187 };
1188 
1189 /* Values for Version field above */
1190 
1191 enum acpi_madt_eio_pic_version {
1192 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1193 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1194 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1195 };
1196 
1197 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1198 
1199 struct acpi_madt_msi_pic {
1200 	struct acpi_subtable_header header;
1201 	u8 version;
1202 	u64 msg_address;
1203 	u32 start;
1204 	u32 count;
1205 };
1206 
1207 /* Values for Version field above */
1208 
1209 enum acpi_madt_msi_pic_version {
1210 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1211 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1212 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1213 };
1214 
1215 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1216 
1217 struct acpi_madt_bio_pic {
1218 	struct acpi_subtable_header header;
1219 	u8 version;
1220 	u64 address;
1221 	u16 size;
1222 	u16 id;
1223 	u16 gsi_base;
1224 };
1225 
1226 /* Values for Version field above */
1227 
1228 enum acpi_madt_bio_pic_version {
1229 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1230 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1231 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1232 };
1233 
1234 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1235 
1236 struct acpi_madt_lpc_pic {
1237 	struct acpi_subtable_header header;
1238 	u8 version;
1239 	u64 address;
1240 	u16 size;
1241 	u8 cascade;
1242 };
1243 
1244 /* Values for Version field above */
1245 
1246 enum acpi_madt_lpc_pic_version {
1247 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1248 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1249 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1250 };
1251 
1252 /* 80: OEM data */
1253 
1254 struct acpi_madt_oem_data {
1255 	u8 oem_data[0];
1256 };
1257 
1258 /*
1259  * Common flags fields for MADT subtables
1260  */
1261 
1262 /* MADT Local APIC flags */
1263 
1264 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1265 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1266 
1267 /* MADT MPS INTI flags (inti_flags) */
1268 
1269 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1270 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1271 
1272 /* Values for MPS INTI flags */
1273 
1274 #define ACPI_MADT_POLARITY_CONFORMS       0
1275 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1276 #define ACPI_MADT_POLARITY_RESERVED       2
1277 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1278 
1279 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1280 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1281 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1282 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1283 
1284 /*******************************************************************************
1285  *
1286  * MCFG - PCI Memory Mapped Configuration table and subtable
1287  *        Version 1
1288  *
1289  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1290  *
1291  ******************************************************************************/
1292 
1293 struct acpi_table_mcfg {
1294 	struct acpi_table_header header;	/* Common ACPI table header */
1295 	u8 reserved[8];
1296 };
1297 
1298 /* Subtable */
1299 
1300 struct acpi_mcfg_allocation {
1301 	u64 address;		/* Base address, processor-relative */
1302 	u16 pci_segment;	/* PCI segment group number */
1303 	u8 start_bus_number;	/* Starting PCI Bus number */
1304 	u8 end_bus_number;	/* Final PCI Bus number */
1305 	u32 reserved;
1306 };
1307 
1308 /*******************************************************************************
1309  *
1310  * MCHI - Management Controller Host Interface Table
1311  *        Version 1
1312  *
1313  * Conforms to "Management Component Transport Protocol (MCTP) Host
1314  * Interface Specification", Revision 1.0.0a, October 13, 2009
1315  *
1316  ******************************************************************************/
1317 
1318 struct acpi_table_mchi {
1319 	struct acpi_table_header header;	/* Common ACPI table header */
1320 	u8 interface_type;
1321 	u8 protocol;
1322 	u64 protocol_data;
1323 	u8 interrupt_type;
1324 	u8 gpe;
1325 	u8 pci_device_flag;
1326 	u32 global_interrupt;
1327 	struct acpi_generic_address control_register;
1328 	u8 pci_segment;
1329 	u8 pci_bus;
1330 	u8 pci_device;
1331 	u8 pci_function;
1332 };
1333 
1334 /*******************************************************************************
1335  *
1336  * MPST - Memory Power State Table (ACPI 5.0)
1337  *        Version 1
1338  *
1339  ******************************************************************************/
1340 
1341 #define ACPI_MPST_CHANNEL_INFO \
1342 	u8                              channel_id; \
1343 	u8                              reserved1[3]; \
1344 	u16                             power_node_count; \
1345 	u16                             reserved2;
1346 
1347 /* Main table */
1348 
1349 struct acpi_table_mpst {
1350 	struct acpi_table_header header;	/* Common ACPI table header */
1351 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1352 };
1353 
1354 /* Memory Platform Communication Channel Info */
1355 
1356 struct acpi_mpst_channel {
1357 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1358 };
1359 
1360 /* Memory Power Node Structure */
1361 
1362 struct acpi_mpst_power_node {
1363 	u8 flags;
1364 	u8 reserved1;
1365 	u16 node_id;
1366 	u32 length;
1367 	u64 range_address;
1368 	u64 range_length;
1369 	u32 num_power_states;
1370 	u32 num_physical_components;
1371 };
1372 
1373 /* Values for Flags field above */
1374 
1375 #define ACPI_MPST_ENABLED               1
1376 #define ACPI_MPST_POWER_MANAGED         2
1377 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1378 
1379 /* Memory Power State Structure (follows POWER_NODE above) */
1380 
1381 struct acpi_mpst_power_state {
1382 	u8 power_state;
1383 	u8 info_index;
1384 };
1385 
1386 /* Physical Component ID Structure (follows POWER_STATE above) */
1387 
1388 struct acpi_mpst_component {
1389 	u16 component_id;
1390 };
1391 
1392 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1393 
1394 struct acpi_mpst_data_hdr {
1395 	u16 characteristics_count;
1396 	u16 reserved;
1397 };
1398 
1399 struct acpi_mpst_power_data {
1400 	u8 structure_id;
1401 	u8 flags;
1402 	u16 reserved1;
1403 	u32 average_power;
1404 	u32 power_saving;
1405 	u64 exit_latency;
1406 	u64 reserved2;
1407 };
1408 
1409 /* Values for Flags field above */
1410 
1411 #define ACPI_MPST_PRESERVE              1
1412 #define ACPI_MPST_AUTOENTRY             2
1413 #define ACPI_MPST_AUTOEXIT              4
1414 
1415 /* Shared Memory Region (not part of an ACPI table) */
1416 
1417 struct acpi_mpst_shared {
1418 	u32 signature;
1419 	u16 pcc_command;
1420 	u16 pcc_status;
1421 	u32 command_register;
1422 	u32 status_register;
1423 	u32 power_state_id;
1424 	u32 power_node_id;
1425 	u64 energy_consumed;
1426 	u64 average_power;
1427 };
1428 
1429 /*******************************************************************************
1430  *
1431  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1432  *        Version 1
1433  *
1434  ******************************************************************************/
1435 
1436 struct acpi_table_msct {
1437 	struct acpi_table_header header;	/* Common ACPI table header */
1438 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1439 	u32 max_proximity_domains;	/* Max number of proximity domains */
1440 	u32 max_clock_domains;	/* Max number of clock domains */
1441 	u64 max_address;	/* Max physical address in system */
1442 };
1443 
1444 /* subtable - Maximum Proximity Domain Information. Version 1 */
1445 
1446 struct acpi_msct_proximity {
1447 	u8 revision;
1448 	u8 length;
1449 	u32 range_start;	/* Start of domain range */
1450 	u32 range_end;		/* End of domain range */
1451 	u32 processor_capacity;
1452 	u64 memory_capacity;	/* In bytes */
1453 };
1454 
1455 /*******************************************************************************
1456  *
1457  * MSDM - Microsoft Data Management table
1458  *
1459  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1460  * November 29, 2011. Copyright 2011 Microsoft
1461  *
1462  ******************************************************************************/
1463 
1464 /* Basic MSDM table is only the common ACPI header */
1465 
1466 struct acpi_table_msdm {
1467 	struct acpi_table_header header;	/* Common ACPI table header */
1468 };
1469 
1470 /*******************************************************************************
1471  *
1472  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1473  *        Version 1
1474  *
1475  ******************************************************************************/
1476 
1477 struct acpi_table_nfit {
1478 	struct acpi_table_header header;	/* Common ACPI table header */
1479 	u32 reserved;		/* Reserved, must be zero */
1480 };
1481 
1482 /* Subtable header for NFIT */
1483 
1484 struct acpi_nfit_header {
1485 	u16 type;
1486 	u16 length;
1487 };
1488 
1489 /* Values for subtable type in struct acpi_nfit_header */
1490 
1491 enum acpi_nfit_type {
1492 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1493 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1494 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1495 	ACPI_NFIT_TYPE_SMBIOS = 3,
1496 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1497 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1498 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1499 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1500 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1501 };
1502 
1503 /*
1504  * NFIT Subtables
1505  */
1506 
1507 /* 0: System Physical Address Range Structure */
1508 
1509 struct acpi_nfit_system_address {
1510 	struct acpi_nfit_header header;
1511 	u16 range_index;
1512 	u16 flags;
1513 	u32 reserved;		/* Reserved, must be zero */
1514 	u32 proximity_domain;
1515 	u8 range_guid[16];
1516 	u64 address;
1517 	u64 length;
1518 	u64 memory_mapping;
1519 	u64 location_cookie;	/* ACPI 6.4 */
1520 };
1521 
1522 /* Flags */
1523 
1524 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1525 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1526 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1527 
1528 /* Range Type GUIDs appear in the include/acuuid.h file */
1529 
1530 /* 1: Memory Device to System Address Range Map Structure */
1531 
1532 struct acpi_nfit_memory_map {
1533 	struct acpi_nfit_header header;
1534 	u32 device_handle;
1535 	u16 physical_id;
1536 	u16 region_id;
1537 	u16 range_index;
1538 	u16 region_index;
1539 	u64 region_size;
1540 	u64 region_offset;
1541 	u64 address;
1542 	u16 interleave_index;
1543 	u16 interleave_ways;
1544 	u16 flags;
1545 	u16 reserved;		/* Reserved, must be zero */
1546 };
1547 
1548 /* Flags */
1549 
1550 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1551 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1552 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1553 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1554 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1555 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1556 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1557 
1558 /* 2: Interleave Structure */
1559 
1560 struct acpi_nfit_interleave {
1561 	struct acpi_nfit_header header;
1562 	u16 interleave_index;
1563 	u16 reserved;		/* Reserved, must be zero */
1564 	u32 line_count;
1565 	u32 line_size;
1566 	u32 line_offset[1];	/* Variable length */
1567 };
1568 
1569 /* 3: SMBIOS Management Information Structure */
1570 
1571 struct acpi_nfit_smbios {
1572 	struct acpi_nfit_header header;
1573 	u32 reserved;		/* Reserved, must be zero */
1574 	u8 data[1];		/* Variable length */
1575 };
1576 
1577 /* 4: NVDIMM Control Region Structure */
1578 
1579 struct acpi_nfit_control_region {
1580 	struct acpi_nfit_header header;
1581 	u16 region_index;
1582 	u16 vendor_id;
1583 	u16 device_id;
1584 	u16 revision_id;
1585 	u16 subsystem_vendor_id;
1586 	u16 subsystem_device_id;
1587 	u16 subsystem_revision_id;
1588 	u8 valid_fields;
1589 	u8 manufacturing_location;
1590 	u16 manufacturing_date;
1591 	u8 reserved[2];		/* Reserved, must be zero */
1592 	u32 serial_number;
1593 	u16 code;
1594 	u16 windows;
1595 	u64 window_size;
1596 	u64 command_offset;
1597 	u64 command_size;
1598 	u64 status_offset;
1599 	u64 status_size;
1600 	u16 flags;
1601 	u8 reserved1[6];	/* Reserved, must be zero */
1602 };
1603 
1604 /* Flags */
1605 
1606 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1607 
1608 /* valid_fields bits */
1609 
1610 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1611 
1612 /* 5: NVDIMM Block Data Window Region Structure */
1613 
1614 struct acpi_nfit_data_region {
1615 	struct acpi_nfit_header header;
1616 	u16 region_index;
1617 	u16 windows;
1618 	u64 offset;
1619 	u64 size;
1620 	u64 capacity;
1621 	u64 start_address;
1622 };
1623 
1624 /* 6: Flush Hint Address Structure */
1625 
1626 struct acpi_nfit_flush_address {
1627 	struct acpi_nfit_header header;
1628 	u32 device_handle;
1629 	u16 hint_count;
1630 	u8 reserved[6];		/* Reserved, must be zero */
1631 	u64 hint_address[1];	/* Variable length */
1632 };
1633 
1634 /* 7: Platform Capabilities Structure */
1635 
1636 struct acpi_nfit_capabilities {
1637 	struct acpi_nfit_header header;
1638 	u8 highest_capability;
1639 	u8 reserved[3];		/* Reserved, must be zero */
1640 	u32 capabilities;
1641 	u32 reserved2;
1642 };
1643 
1644 /* Capabilities Flags */
1645 
1646 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1647 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1648 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1649 
1650 /*
1651  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1652  */
1653 struct nfit_device_handle {
1654 	u32 handle;
1655 };
1656 
1657 /* Device handle construction and extraction macros */
1658 
1659 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1660 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1661 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1662 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1663 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1664 
1665 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1666 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1667 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1668 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1669 #define ACPI_NFIT_NODE_ID_OFFSET                16
1670 
1671 /* Macro to construct a NFIT/NVDIMM device handle */
1672 
1673 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1674 	((dimm)                                         | \
1675 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1676 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1677 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1678 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1679 
1680 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1681 
1682 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1683 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1684 
1685 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1686 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1687 
1688 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1689 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1690 
1691 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1692 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1693 
1694 #define ACPI_NFIT_GET_NODE_ID(handle) \
1695 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1696 
1697 /*******************************************************************************
1698  *
1699  * NHLT - Non HD Audio Link Table
1700  *
1701  * Conforms to: Intel Smart Sound Technology NHLT Specification
1702  * Version 0.8.1, January 2020.
1703  *
1704  ******************************************************************************/
1705 
1706 /* Main table */
1707 
1708 struct acpi_table_nhlt {
1709 	struct acpi_table_header header;	/* Common ACPI table header */
1710 	u8 endpoint_count;
1711 };
1712 
1713 struct acpi_nhlt_endpoint {
1714 	u32 descriptor_length;
1715 	u8 link_type;
1716 	u8 instance_id;
1717 	u16 vendor_id;
1718 	u16 device_id;
1719 	u16 revision_id;
1720 	u32 subsystem_id;
1721 	u8 device_type;
1722 	u8 direction;
1723 	u8 virtual_bus_id;
1724 };
1725 
1726 /* Types for link_type field above */
1727 
1728 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1729 #define ACPI_NHLT_RESERVED_DSP              1
1730 #define ACPI_NHLT_PDM                       2
1731 #define ACPI_NHLT_SSP                       3
1732 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1733 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1734 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1735 
1736 /* All other values above are reserved */
1737 
1738 /* Values for device_id field above */
1739 
1740 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1741 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1742 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1743 
1744 /* Values for device_type field above */
1745 
1746 /* SSP Link */
1747 
1748 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1749 #define ACPI_NHLT_LINK_FM                   1
1750 #define ACPI_NHLT_LINK_MODEM                2
1751 /* 3 is reserved */
1752 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1753 
1754 /* PDM Link */
1755 
1756 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1757 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1758 
1759 /* Values for Direction field above */
1760 
1761 #define ACPI_NHLT_DIR_RENDER                0
1762 #define ACPI_NHLT_DIR_CAPTURE               1
1763 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1764 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1765 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1766 
1767 struct acpi_nhlt_device_specific_config {
1768 	u32 capabilities_size;
1769 	u8 virtual_slot;
1770 	u8 config_type;
1771 };
1772 
1773 struct acpi_nhlt_device_specific_config_a {
1774 	u32 capabilities_size;
1775 	u8 virtual_slot;
1776 	u8 config_type;
1777 	u8 array_type;
1778 };
1779 
1780 /* Values for Config Type above */
1781 
1782 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1783 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1784 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1785 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1786 
1787 struct acpi_nhlt_device_specific_config_b {
1788 	u32 capabilities_size;
1789 };
1790 
1791 struct acpi_nhlt_device_specific_config_c {
1792 	u32 capabilities_size;
1793 	u8 virtual_slot;
1794 };
1795 
1796 struct acpi_nhlt_render_device_specific_config {
1797 	u32 capabilities_size;
1798 	u8 virtual_slot;
1799 };
1800 
1801 struct acpi_nhlt_wave_extensible {
1802 	u16 format_tag;
1803 	u16 channel_count;
1804 	u32 samples_per_sec;
1805 	u32 avg_bytes_per_sec;
1806 	u16 block_align;
1807 	u16 bits_per_sample;
1808 	u16 extra_format_size;
1809 	u16 valid_bits_per_sample;
1810 	u32 channel_mask;
1811 	u8 sub_format_guid[16];
1812 };
1813 
1814 /* Values for channel_mask above */
1815 
1816 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1817 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1818 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1819 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1820 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1821 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1822 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1823 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1824 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1825 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1826 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1827 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1828 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1829 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1830 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1831 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1832 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1833 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1834 
1835 struct acpi_nhlt_format_config {
1836 	struct acpi_nhlt_wave_extensible format;
1837 	u32 capability_size;
1838 	u8 capabilities[];
1839 };
1840 
1841 struct acpi_nhlt_formats_config {
1842 	u8 formats_count;
1843 };
1844 
1845 struct acpi_nhlt_device_specific_hdr {
1846 	u8 virtual_slot;
1847 	u8 config_type;
1848 };
1849 
1850 /* Types for config_type above */
1851 
1852 #define ACPI_NHLT_GENERIC                   0
1853 #define ACPI_NHLT_MIC                       1
1854 #define ACPI_NHLT_RENDER                    3
1855 
1856 struct acpi_nhlt_mic_device_specific_config {
1857 	struct acpi_nhlt_device_specific_hdr device_config;
1858 	u8 array_type_ext;
1859 };
1860 
1861 /* Values for array_type_ext above */
1862 
1863 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
1864 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
1865 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
1866 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
1867 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
1868 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
1869 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
1870 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
1871 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
1872 
1873 #define ACPI_NHLT_NO_EXTENSION                      0x0
1874 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
1875 
1876 struct acpi_nhlt_vendor_mic_count {
1877 	u8 microphone_count;
1878 };
1879 
1880 struct acpi_nhlt_vendor_mic_config {
1881 	u8 type;
1882 	u8 panel;
1883 	u16 speaker_position_distance;	/* mm */
1884 	u16 horizontal_offset;	/* mm */
1885 	u16 vertical_offset;	/* mm */
1886 	u8 frequency_low_band;	/* 5*Hz */
1887 	u8 frequency_high_band;	/* 500*Hz */
1888 	u16 direction_angle;	/* -180 - + 180 */
1889 	u16 elevation_angle;	/* -180 - + 180 */
1890 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
1891 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
1892 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
1893 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
1894 };
1895 
1896 /* Values for Type field above */
1897 
1898 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
1899 #define ACPI_NHLT_MIC_SUBCARDIOID           1
1900 #define ACPI_NHLT_MIC_CARDIOID              2
1901 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
1902 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
1903 #define ACPI_NHLT_MIC_8_SHAPED              5
1904 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
1905 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
1906 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
1907 
1908 /* Values for Panel field above */
1909 
1910 #define ACPI_NHLT_MIC_POSITION_TOP          0
1911 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
1912 #define ACPI_NHLT_MIC_POSITION_LEFT         2
1913 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
1914 #define ACPI_NHLT_MIC_POSITION_FRONT        4
1915 #define ACPI_NHLT_MIC_POSITION_BACK         5
1916 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
1917 
1918 struct acpi_nhlt_vendor_mic_device_specific_config {
1919 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
1920 	u8 number_of_microphones;
1921 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
1922 };
1923 
1924 /* Microphone SNR and Sensitivity extension */
1925 
1926 struct acpi_nhlt_mic_snr_sensitivity_extension {
1927 	u32 SNR;
1928 	u32 sensitivity;
1929 };
1930 
1931 /* Render device with feedback */
1932 
1933 struct acpi_nhlt_render_feedback_device_specific_config {
1934 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
1935 	u16 feedback_channels;	/* Informative only */
1936 	u16 feedback_valid_bits_per_sample;
1937 };
1938 
1939 /* Non documented structures */
1940 
1941 struct acpi_nhlt_device_info_count {
1942 	u8 structure_count;
1943 };
1944 
1945 struct acpi_nhlt_device_info {
1946 	u8 device_id[16];
1947 	u8 device_instance_id;
1948 	u8 device_port_id;
1949 };
1950 
1951 /*******************************************************************************
1952  *
1953  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1954  *        Version 2 (ACPI 6.2)
1955  *
1956  ******************************************************************************/
1957 
1958 struct acpi_table_pcct {
1959 	struct acpi_table_header header;	/* Common ACPI table header */
1960 	u32 flags;
1961 	u64 reserved;
1962 };
1963 
1964 /* Values for Flags field above */
1965 
1966 #define ACPI_PCCT_DOORBELL              1
1967 
1968 /* Values for subtable type in struct acpi_subtable_header */
1969 
1970 enum acpi_pcct_type {
1971 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1972 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1973 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1974 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1975 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1976 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1977 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1978 };
1979 
1980 /*
1981  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1982  */
1983 
1984 /* 0: Generic Communications Subspace */
1985 
1986 struct acpi_pcct_subspace {
1987 	struct acpi_subtable_header header;
1988 	u8 reserved[6];
1989 	u64 base_address;
1990 	u64 length;
1991 	struct acpi_generic_address doorbell_register;
1992 	u64 preserve_mask;
1993 	u64 write_mask;
1994 	u32 latency;
1995 	u32 max_access_rate;
1996 	u16 min_turnaround_time;
1997 };
1998 
1999 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2000 
2001 struct acpi_pcct_hw_reduced {
2002 	struct acpi_subtable_header header;
2003 	u32 platform_interrupt;
2004 	u8 flags;
2005 	u8 reserved;
2006 	u64 base_address;
2007 	u64 length;
2008 	struct acpi_generic_address doorbell_register;
2009 	u64 preserve_mask;
2010 	u64 write_mask;
2011 	u32 latency;
2012 	u32 max_access_rate;
2013 	u16 min_turnaround_time;
2014 };
2015 
2016 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2017 
2018 struct acpi_pcct_hw_reduced_type2 {
2019 	struct acpi_subtable_header header;
2020 	u32 platform_interrupt;
2021 	u8 flags;
2022 	u8 reserved;
2023 	u64 base_address;
2024 	u64 length;
2025 	struct acpi_generic_address doorbell_register;
2026 	u64 preserve_mask;
2027 	u64 write_mask;
2028 	u32 latency;
2029 	u32 max_access_rate;
2030 	u16 min_turnaround_time;
2031 	struct acpi_generic_address platform_ack_register;
2032 	u64 ack_preserve_mask;
2033 	u64 ack_write_mask;
2034 };
2035 
2036 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2037 
2038 struct acpi_pcct_ext_pcc_master {
2039 	struct acpi_subtable_header header;
2040 	u32 platform_interrupt;
2041 	u8 flags;
2042 	u8 reserved1;
2043 	u64 base_address;
2044 	u32 length;
2045 	struct acpi_generic_address doorbell_register;
2046 	u64 preserve_mask;
2047 	u64 write_mask;
2048 	u32 latency;
2049 	u32 max_access_rate;
2050 	u32 min_turnaround_time;
2051 	struct acpi_generic_address platform_ack_register;
2052 	u64 ack_preserve_mask;
2053 	u64 ack_set_mask;
2054 	u64 reserved2;
2055 	struct acpi_generic_address cmd_complete_register;
2056 	u64 cmd_complete_mask;
2057 	struct acpi_generic_address cmd_update_register;
2058 	u64 cmd_update_preserve_mask;
2059 	u64 cmd_update_set_mask;
2060 	struct acpi_generic_address error_status_register;
2061 	u64 error_status_mask;
2062 };
2063 
2064 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2065 
2066 struct acpi_pcct_ext_pcc_slave {
2067 	struct acpi_subtable_header header;
2068 	u32 platform_interrupt;
2069 	u8 flags;
2070 	u8 reserved1;
2071 	u64 base_address;
2072 	u32 length;
2073 	struct acpi_generic_address doorbell_register;
2074 	u64 preserve_mask;
2075 	u64 write_mask;
2076 	u32 latency;
2077 	u32 max_access_rate;
2078 	u32 min_turnaround_time;
2079 	struct acpi_generic_address platform_ack_register;
2080 	u64 ack_preserve_mask;
2081 	u64 ack_set_mask;
2082 	u64 reserved2;
2083 	struct acpi_generic_address cmd_complete_register;
2084 	u64 cmd_complete_mask;
2085 	struct acpi_generic_address cmd_update_register;
2086 	u64 cmd_update_preserve_mask;
2087 	u64 cmd_update_set_mask;
2088 	struct acpi_generic_address error_status_register;
2089 	u64 error_status_mask;
2090 };
2091 
2092 /* 5: HW Registers based Communications Subspace */
2093 
2094 struct acpi_pcct_hw_reg {
2095 	struct acpi_subtable_header header;
2096 	u16 version;
2097 	u64 base_address;
2098 	u64 length;
2099 	struct acpi_generic_address doorbell_register;
2100 	u64 doorbell_preserve;
2101 	u64 doorbell_write;
2102 	struct acpi_generic_address cmd_complete_register;
2103 	u64 cmd_complete_mask;
2104 	struct acpi_generic_address error_status_register;
2105 	u64 error_status_mask;
2106 	u32 nominal_latency;
2107 	u32 min_turnaround_time;
2108 };
2109 
2110 /* Values for doorbell flags above */
2111 
2112 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2113 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2114 
2115 /*
2116  * PCC memory structures (not part of the ACPI table)
2117  */
2118 
2119 /* Shared Memory Region */
2120 
2121 struct acpi_pcct_shared_memory {
2122 	u32 signature;
2123 	u16 command;
2124 	u16 status;
2125 };
2126 
2127 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2128 
2129 struct acpi_pcct_ext_pcc_shared_memory {
2130 	u32 signature;
2131 	u32 flags;
2132 	u32 length;
2133 	u32 command;
2134 };
2135 
2136 /*******************************************************************************
2137  *
2138  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2139  *        Version 0
2140  *
2141  ******************************************************************************/
2142 
2143 struct acpi_table_pdtt {
2144 	struct acpi_table_header header;	/* Common ACPI table header */
2145 	u8 trigger_count;
2146 	u8 reserved[3];
2147 	u32 array_offset;
2148 };
2149 
2150 /*
2151  * PDTT Communication Channel Identifier Structure.
2152  * The number of these structures is defined by trigger_count above,
2153  * starting at array_offset.
2154  */
2155 struct acpi_pdtt_channel {
2156 	u8 subchannel_id;
2157 	u8 flags;
2158 };
2159 
2160 /* Flags for above */
2161 
2162 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2163 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2164 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2165 
2166 /*******************************************************************************
2167  *
2168  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2169  *        Version 1
2170  *
2171  ******************************************************************************/
2172 
2173 struct acpi_table_phat {
2174 	struct acpi_table_header header;	/* Common ACPI table header */
2175 };
2176 
2177 /* Common header for PHAT subtables that follow main table */
2178 
2179 struct acpi_phat_header {
2180 	u16 type;
2181 	u16 length;
2182 	u8 revision;
2183 };
2184 
2185 /* Values for Type field above */
2186 
2187 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2188 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2189 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2190 
2191 /*
2192  * PHAT subtables, correspond to Type in struct acpi_phat_header
2193  */
2194 
2195 /* 0: Firmware Version Data Record */
2196 
2197 struct acpi_phat_version_data {
2198 	struct acpi_phat_header header;
2199 	u8 reserved[3];
2200 	u32 element_count;
2201 };
2202 
2203 struct acpi_phat_version_element {
2204 	u8 guid[16];
2205 	u64 version_value;
2206 	u32 producer_id;
2207 };
2208 
2209 /* 1: Firmware Health Data Record */
2210 
2211 struct acpi_phat_health_data {
2212 	struct acpi_phat_header header;
2213 	u8 reserved[2];
2214 	u8 health;
2215 	u8 device_guid[16];
2216 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2217 };
2218 
2219 /* Values for Health field above */
2220 
2221 #define ACPI_PHAT_ERRORS_FOUND          0
2222 #define ACPI_PHAT_NO_ERRORS             1
2223 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2224 #define ACPI_PHAT_ADVISORY              3
2225 
2226 /*******************************************************************************
2227  *
2228  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2229  *        Version 1
2230  *
2231  ******************************************************************************/
2232 
2233 struct acpi_table_pmtt {
2234 	struct acpi_table_header header;	/* Common ACPI table header */
2235 	u32 memory_device_count;
2236 	/*
2237 	 * Immediately followed by:
2238 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2239 	 */
2240 };
2241 
2242 /* Common header for PMTT subtables that follow main table */
2243 
2244 struct acpi_pmtt_header {
2245 	u8 type;
2246 	u8 reserved1;
2247 	u16 length;
2248 	u16 flags;
2249 	u16 reserved2;
2250 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2251 	/*
2252 	 * Immediately followed by:
2253 	 * u8 type_specific_data[]
2254 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2255 	 */
2256 };
2257 
2258 /* Values for Type field above */
2259 
2260 #define ACPI_PMTT_TYPE_SOCKET           0
2261 #define ACPI_PMTT_TYPE_CONTROLLER       1
2262 #define ACPI_PMTT_TYPE_DIMM             2
2263 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2264 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2265 
2266 /* Values for Flags field above */
2267 
2268 #define ACPI_PMTT_TOP_LEVEL             0x0001
2269 #define ACPI_PMTT_PHYSICAL              0x0002
2270 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2271 
2272 /*
2273  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2274  */
2275 
2276 /* 0: Socket Structure */
2277 
2278 struct acpi_pmtt_socket {
2279 	struct acpi_pmtt_header header;
2280 	u16 socket_id;
2281 	u16 reserved;
2282 };
2283 	/*
2284 	 * Immediately followed by:
2285 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2286 	 */
2287 
2288 /* 1: Memory Controller subtable */
2289 
2290 struct acpi_pmtt_controller {
2291 	struct acpi_pmtt_header header;
2292 	u16 controller_id;
2293 	u16 reserved;
2294 };
2295 	/*
2296 	 * Immediately followed by:
2297 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2298 	 */
2299 
2300 /* 2: Physical Component Identifier (DIMM) */
2301 
2302 struct acpi_pmtt_physical_component {
2303 	struct acpi_pmtt_header header;
2304 	u32 bios_handle;
2305 };
2306 
2307 /* 0xFF: Vendor Specific Data */
2308 
2309 struct acpi_pmtt_vendor_specific {
2310 	struct acpi_pmtt_header header;
2311 	u8 type_uuid[16];
2312 	u8 specific[];
2313 	/*
2314 	 * Immediately followed by:
2315 	 * u8 vendor_specific_data[];
2316 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2317 	 */
2318 };
2319 
2320 /*******************************************************************************
2321  *
2322  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2323  *        Version 1
2324  *
2325  ******************************************************************************/
2326 
2327 struct acpi_table_pptt {
2328 	struct acpi_table_header header;	/* Common ACPI table header */
2329 };
2330 
2331 /* Values for Type field above */
2332 
2333 enum acpi_pptt_type {
2334 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2335 	ACPI_PPTT_TYPE_CACHE = 1,
2336 	ACPI_PPTT_TYPE_ID = 2,
2337 	ACPI_PPTT_TYPE_RESERVED = 3
2338 };
2339 
2340 /* 0: Processor Hierarchy Node Structure */
2341 
2342 struct acpi_pptt_processor {
2343 	struct acpi_subtable_header header;
2344 	u16 reserved;
2345 	u32 flags;
2346 	u32 parent;
2347 	u32 acpi_processor_id;
2348 	u32 number_of_priv_resources;
2349 };
2350 
2351 /* Flags */
2352 
2353 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2354 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2355 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2356 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2357 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2358 
2359 /* 1: Cache Type Structure */
2360 
2361 struct acpi_pptt_cache {
2362 	struct acpi_subtable_header header;
2363 	u16 reserved;
2364 	u32 flags;
2365 	u32 next_level_of_cache;
2366 	u32 size;
2367 	u32 number_of_sets;
2368 	u8 associativity;
2369 	u8 attributes;
2370 	u16 line_size;
2371 };
2372 
2373 /* 1: Cache Type Structure for PPTT version 3 */
2374 
2375 struct acpi_pptt_cache_v1 {
2376 	u32 cache_id;
2377 };
2378 
2379 /* Flags */
2380 
2381 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2382 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2383 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2384 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2385 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2386 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2387 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2388 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2389 
2390 /* Masks for Attributes */
2391 
2392 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2393 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2394 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2395 
2396 /* Attributes describing cache */
2397 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2398 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2399 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2400 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2401 
2402 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2403 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2404 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2405 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2406 
2407 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2408 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2409 
2410 /* 2: ID Structure */
2411 
2412 struct acpi_pptt_id {
2413 	struct acpi_subtable_header header;
2414 	u16 reserved;
2415 	u32 vendor_id;
2416 	u64 level1_id;
2417 	u64 level2_id;
2418 	u16 major_rev;
2419 	u16 minor_rev;
2420 	u16 spin_rev;
2421 };
2422 
2423 /*******************************************************************************
2424  *
2425  * PRMT - Platform Runtime Mechanism Table
2426  *        Version 1
2427  *
2428  ******************************************************************************/
2429 
2430 struct acpi_table_prmt {
2431 	struct acpi_table_header header;	/* Common ACPI table header */
2432 };
2433 
2434 struct acpi_table_prmt_header {
2435 	u8 platform_guid[16];
2436 	u32 module_info_offset;
2437 	u32 module_info_count;
2438 };
2439 
2440 struct acpi_prmt_module_header {
2441 	u16 revision;
2442 	u16 length;
2443 };
2444 
2445 struct acpi_prmt_module_info {
2446 	u16 revision;
2447 	u16 length;
2448 	u8 module_guid[16];
2449 	u16 major_rev;
2450 	u16 minor_rev;
2451 	u16 handler_info_count;
2452 	u32 handler_info_offset;
2453 	u64 mmio_list_pointer;
2454 };
2455 
2456 struct acpi_prmt_handler_info {
2457 	u16 revision;
2458 	u16 length;
2459 	u8 handler_guid[16];
2460 	u64 handler_address;
2461 	u64 static_data_buffer_address;
2462 	u64 acpi_param_buffer_address;
2463 };
2464 
2465 /*******************************************************************************
2466  *
2467  * RASF - RAS Feature Table (ACPI 5.0)
2468  *        Version 1
2469  *
2470  ******************************************************************************/
2471 
2472 struct acpi_table_rasf {
2473 	struct acpi_table_header header;	/* Common ACPI table header */
2474 	u8 channel_id[12];
2475 };
2476 
2477 /* RASF Platform Communication Channel Shared Memory Region */
2478 
2479 struct acpi_rasf_shared_memory {
2480 	u32 signature;
2481 	u16 command;
2482 	u16 status;
2483 	u16 version;
2484 	u8 capabilities[16];
2485 	u8 set_capabilities[16];
2486 	u16 num_parameter_blocks;
2487 	u32 set_capabilities_status;
2488 };
2489 
2490 /* RASF Parameter Block Structure Header */
2491 
2492 struct acpi_rasf_parameter_block {
2493 	u16 type;
2494 	u16 version;
2495 	u16 length;
2496 };
2497 
2498 /* RASF Parameter Block Structure for PATROL_SCRUB */
2499 
2500 struct acpi_rasf_patrol_scrub_parameter {
2501 	struct acpi_rasf_parameter_block header;
2502 	u16 patrol_scrub_command;
2503 	u64 requested_address_range[2];
2504 	u64 actual_address_range[2];
2505 	u16 flags;
2506 	u8 requested_speed;
2507 };
2508 
2509 /* Masks for Flags and Speed fields above */
2510 
2511 #define ACPI_RASF_SCRUBBER_RUNNING      1
2512 #define ACPI_RASF_SPEED                 (7<<1)
2513 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2514 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2515 #define ACPI_RASF_SPEED_FAST            (7<<1)
2516 
2517 /* Channel Commands */
2518 
2519 enum acpi_rasf_commands {
2520 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2521 };
2522 
2523 /* Platform RAS Capabilities */
2524 
2525 enum acpi_rasf_capabiliities {
2526 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2527 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2528 };
2529 
2530 /* Patrol Scrub Commands */
2531 
2532 enum acpi_rasf_patrol_scrub_commands {
2533 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2534 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2535 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2536 };
2537 
2538 /* Channel Command flags */
2539 
2540 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2541 
2542 /* Status values */
2543 
2544 enum acpi_rasf_status {
2545 	ACPI_RASF_SUCCESS = 0,
2546 	ACPI_RASF_NOT_VALID = 1,
2547 	ACPI_RASF_NOT_SUPPORTED = 2,
2548 	ACPI_RASF_BUSY = 3,
2549 	ACPI_RASF_FAILED = 4,
2550 	ACPI_RASF_ABORTED = 5,
2551 	ACPI_RASF_INVALID_DATA = 6
2552 };
2553 
2554 /* Status flags */
2555 
2556 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2557 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2558 #define ACPI_RASF_ERROR                 (1<<2)
2559 #define ACPI_RASF_STATUS                (0x1F<<3)
2560 
2561 /*******************************************************************************
2562  *
2563  * RGRT - Regulatory Graphics Resource Table
2564  *        Version 1
2565  *
2566  * Conforms to "ACPI RGRT" available at:
2567  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2568  *
2569  ******************************************************************************/
2570 
2571 struct acpi_table_rgrt {
2572 	struct acpi_table_header header;	/* Common ACPI table header */
2573 	u16 version;
2574 	u8 image_type;
2575 	u8 reserved;
2576 	u8 image[];
2577 };
2578 
2579 /* image_type values */
2580 
2581 enum acpi_rgrt_image_type {
2582 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2583 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2584 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2585 };
2586 
2587 /*******************************************************************************
2588  *
2589  * SBST - Smart Battery Specification Table
2590  *        Version 1
2591  *
2592  ******************************************************************************/
2593 
2594 struct acpi_table_sbst {
2595 	struct acpi_table_header header;	/* Common ACPI table header */
2596 	u32 warning_level;
2597 	u32 low_level;
2598 	u32 critical_level;
2599 };
2600 
2601 /*******************************************************************************
2602  *
2603  * SDEI - Software Delegated Exception Interface Descriptor Table
2604  *
2605  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2606  * May 8th, 2017. Copyright 2017 ARM Ltd.
2607  *
2608  ******************************************************************************/
2609 
2610 struct acpi_table_sdei {
2611 	struct acpi_table_header header;	/* Common ACPI table header */
2612 };
2613 
2614 /*******************************************************************************
2615  *
2616  * SDEV - Secure Devices Table (ACPI 6.2)
2617  *        Version 1
2618  *
2619  ******************************************************************************/
2620 
2621 struct acpi_table_sdev {
2622 	struct acpi_table_header header;	/* Common ACPI table header */
2623 };
2624 
2625 struct acpi_sdev_header {
2626 	u8 type;
2627 	u8 flags;
2628 	u16 length;
2629 };
2630 
2631 /* Values for subtable type above */
2632 
2633 enum acpi_sdev_type {
2634 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2635 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2636 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2637 };
2638 
2639 /* Values for flags above */
2640 
2641 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2642 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2643 
2644 /*
2645  * SDEV subtables
2646  */
2647 
2648 /* 0: Namespace Device Based Secure Device Structure */
2649 
2650 struct acpi_sdev_namespace {
2651 	struct acpi_sdev_header header;
2652 	u16 device_id_offset;
2653 	u16 device_id_length;
2654 	u16 vendor_data_offset;
2655 	u16 vendor_data_length;
2656 };
2657 
2658 struct acpi_sdev_secure_component {
2659 	u16 secure_component_offset;
2660 	u16 secure_component_length;
2661 };
2662 
2663 /*
2664  * SDEV sub-subtables ("Components") for above
2665  */
2666 struct acpi_sdev_component {
2667 	struct acpi_sdev_header header;
2668 };
2669 
2670 /* Values for sub-subtable type above */
2671 
2672 enum acpi_sac_type {
2673 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2674 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2675 };
2676 
2677 struct acpi_sdev_id_component {
2678 	struct acpi_sdev_header header;
2679 	u16 hardware_id_offset;
2680 	u16 hardware_id_length;
2681 	u16 subsystem_id_offset;
2682 	u16 subsystem_id_length;
2683 	u16 hardware_revision;
2684 	u8 hardware_rev_present;
2685 	u8 class_code_present;
2686 	u8 pci_base_class;
2687 	u8 pci_sub_class;
2688 	u8 pci_programming_xface;
2689 };
2690 
2691 struct acpi_sdev_mem_component {
2692 	struct acpi_sdev_header header;
2693 	u32 reserved;
2694 	u64 memory_base_address;
2695 	u64 memory_length;
2696 };
2697 
2698 /* 1: PCIe Endpoint Device Based Device Structure */
2699 
2700 struct acpi_sdev_pcie {
2701 	struct acpi_sdev_header header;
2702 	u16 segment;
2703 	u16 start_bus;
2704 	u16 path_offset;
2705 	u16 path_length;
2706 	u16 vendor_data_offset;
2707 	u16 vendor_data_length;
2708 };
2709 
2710 /* 1a: PCIe Endpoint path entry */
2711 
2712 struct acpi_sdev_pcie_path {
2713 	u8 device;
2714 	u8 function;
2715 };
2716 
2717 /*******************************************************************************
2718  *
2719  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2720  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2721  *        Trust Domain Extensions (Intel TDX)".
2722  *        Version 1
2723  *
2724  ******************************************************************************/
2725 
2726 struct acpi_table_svkl {
2727 	struct acpi_table_header header;	/* Common ACPI table header */
2728 	u32 count;
2729 };
2730 
2731 struct acpi_svkl_key {
2732 	u16 type;
2733 	u16 format;
2734 	u32 size;
2735 	u64 address;
2736 };
2737 
2738 enum acpi_svkl_type {
2739 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2740 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2741 };
2742 
2743 enum acpi_svkl_format {
2744 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2745 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2746 };
2747 
2748 /*******************************************************************************
2749  *
2750  * TDEL - TD-Event Log
2751  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2752  *        Trust Domain Extensions (Intel TDX)".
2753  *        September 2020
2754  *
2755  ******************************************************************************/
2756 
2757 struct acpi_table_tdel {
2758 	struct acpi_table_header header;	/* Common ACPI table header */
2759 	u32 reserved;
2760 	u64 log_area_minimum_length;
2761 	u64 log_area_start_address;
2762 };
2763 
2764 /* Reset to default packing */
2765 
2766 #pragma pack()
2767 
2768 #endif				/* __ACTBL2_H__ */
2769