xref: /linux/include/acpi/actbl2.h (revision 320fefa9e2edc67011e235ea1d50f0d00ddfe004)
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_IORT           "IORT"	/* IO Remapping Table */
31 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
32 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
33 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
34 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
35 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
36 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
37 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics Table */
38 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
39 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
40 #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
41 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
42 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
43 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
44 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
45 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
46 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
47 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
48 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
49 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
50 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
51 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
52 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
53 #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
54 
55 /*
56  * All tables must be byte-packed to match the ACPI specification, since
57  * the tables are provided by the system BIOS.
58  */
59 #pragma pack(1)
60 
61 /*
62  * Note: C bitfields are not used for this reason:
63  *
64  * "Bitfields are great and easy to read, but unfortunately the C language
65  * does not specify the layout of bitfields in memory, which means they are
66  * essentially useless for dealing with packed data in on-disk formats or
67  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
68  * this decision was a design error in C. Ritchie could have picked an order
69  * and stuck with it." Norman Ramsey.
70  * See http://stackoverflow.com/a/1053662/41661
71  */
72 
73 /*******************************************************************************
74  *
75  * AEST - Arm Error Source Table
76  *
77  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
78  * September 2020.
79  *
80  ******************************************************************************/
81 
82 struct acpi_table_aest {
83 	struct acpi_table_header header;
84 	void *node_array[];
85 };
86 
87 /* Common Subtable header - one per Node Structure (Subtable) */
88 
89 struct acpi_aest_hdr {
90 	u8 type;
91 	u16 length;
92 	u8 reserved;
93 	u32 node_specific_offset;
94 	u32 node_interface_offset;
95 	u32 node_interrupt_offset;
96 	u32 node_interrupt_count;
97 	u64 timestamp_rate;
98 	u64 reserved1;
99 	u64 error_injection_rate;
100 };
101 
102 /* Values for Type above */
103 
104 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
105 #define ACPI_AEST_MEMORY_ERROR_NODE         1
106 #define ACPI_AEST_SMMU_ERROR_NODE           2
107 #define ACPI_AEST_VENDOR_ERROR_NODE         3
108 #define ACPI_AEST_GIC_ERROR_NODE            4
109 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
110 
111 /*
112  * AEST subtables (Error nodes)
113  */
114 
115 /* 0: Processor Error */
116 
117 typedef struct acpi_aest_processor {
118 	u32 processor_id;
119 	u8 resource_type;
120 	u8 reserved;
121 	u8 flags;
122 	u8 revision;
123 	u64 processor_affinity;
124 
125 } acpi_aest_processor;
126 
127 /* Values for resource_type above, related structs below */
128 
129 #define ACPI_AEST_CACHE_RESOURCE            0
130 #define ACPI_AEST_TLB_RESOURCE              1
131 #define ACPI_AEST_GENERIC_RESOURCE          2
132 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
133 
134 /* 0R: Processor Cache Resource Substructure */
135 
136 typedef struct acpi_aest_processor_cache {
137 	u32 cache_reference;
138 	u32 reserved;
139 
140 } acpi_aest_processor_cache;
141 
142 /* Values for cache_type above */
143 
144 #define ACPI_AEST_CACHE_DATA                0
145 #define ACPI_AEST_CACHE_INSTRUCTION         1
146 #define ACPI_AEST_CACHE_UNIFIED             2
147 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
148 
149 /* 1R: Processor TLB Resource Substructure */
150 
151 typedef struct acpi_aest_processor_tlb {
152 	u32 tlb_level;
153 	u32 reserved;
154 
155 } acpi_aest_processor_tlb;
156 
157 /* 2R: Processor Generic Resource Substructure */
158 
159 typedef struct acpi_aest_processor_generic {
160 	u32 resource;
161 
162 } acpi_aest_processor_generic;
163 
164 /* 1: Memory Error */
165 
166 typedef struct acpi_aest_memory {
167 	u32 srat_proximity_domain;
168 
169 } acpi_aest_memory;
170 
171 /* 2: Smmu Error */
172 
173 typedef struct acpi_aest_smmu {
174 	u32 iort_node_reference;
175 	u32 subcomponent_reference;
176 
177 } acpi_aest_smmu;
178 
179 /* 3: Vendor Defined */
180 
181 typedef struct acpi_aest_vendor {
182 	u32 acpi_hid;
183 	u32 acpi_uid;
184 	u8 vendor_specific_data[16];
185 
186 } acpi_aest_vendor;
187 
188 /* 4: Gic Error */
189 
190 typedef struct acpi_aest_gic {
191 	u32 interface_type;
192 	u32 instance_id;
193 
194 } acpi_aest_gic;
195 
196 /* Values for interface_type above */
197 
198 #define ACPI_AEST_GIC_CPU                   0
199 #define ACPI_AEST_GIC_DISTRIBUTOR           1
200 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
201 #define ACPI_AEST_GIC_ITS                   3
202 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
203 
204 /* Node Interface Structure */
205 
206 typedef struct acpi_aest_node_interface {
207 	u8 type;
208 	u8 reserved[3];
209 	u32 flags;
210 	u64 address;
211 	u32 error_record_index;
212 	u32 error_record_count;
213 	u64 error_record_implemented;
214 	u64 error_status_reporting;
215 	u64 addressing_mode;
216 
217 } acpi_aest_node_interface;
218 
219 /* Values for Type field above */
220 
221 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
222 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
223 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
224 
225 /* Node Interrupt Structure */
226 
227 typedef struct acpi_aest_node_interrupt {
228 	u8 type;
229 	u8 reserved[2];
230 	u8 flags;
231 	u32 gsiv;
232 	u8 iort_id;
233 	u8 reserved1[3];
234 
235 } acpi_aest_node_interrupt;
236 
237 /* Values for Type field above */
238 
239 #define ACPI_AEST_NODE_FAULT_HANDLING       0
240 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
241 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
242 
243 /*******************************************************************************
244  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
245  *
246  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
247  * ARM DEN0093 v1.1
248  *
249  ******************************************************************************/
250 struct acpi_table_agdi {
251 	struct acpi_table_header header;	/* Common ACPI table header */
252 	u8 flags;
253 	u8 reserved[3];
254 	u32 sdei_event;
255 	u32 gsiv;
256 };
257 
258 /* Mask for Flags field above */
259 
260 #define ACPI_AGDI_SIGNALING_MODE (1)
261 
262 /*******************************************************************************
263  *
264  * APMT - ARM Performance Monitoring Unit Table
265  *
266  * Conforms to:
267  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
268  * ARM DEN0117 v1.0 November 25, 2021
269  *
270  ******************************************************************************/
271 
272 struct acpi_table_apmt {
273 	struct acpi_table_header header;	/* Common ACPI table header */
274 };
275 
276 #define ACPI_APMT_NODE_ID_LENGTH                4
277 
278 /*
279  * APMT subtables
280  */
281 struct acpi_apmt_node {
282 	u16 length;
283 	u8 flags;
284 	u8 type;
285 	u32 id;
286 	u64 inst_primary;
287 	u32 inst_secondary;
288 	u64 base_address0;
289 	u64 base_address1;
290 	u32 ovflw_irq;
291 	u32 reserved;
292 	u32 ovflw_irq_flags;
293 	u32 proc_affinity;
294 	u32 impl_id;
295 };
296 
297 /* Masks for Flags field above */
298 
299 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
300 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
301 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
302 
303 /* Values for Flags dual page field above */
304 
305 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
306 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
307 
308 /* Values for Flags processor affinity field above */
309 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
310 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
311 
312 /* Values for Flags 64-bit atomic field above */
313 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
314 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
315 
316 /* Values for Type field above */
317 
318 enum acpi_apmt_node_type {
319 	ACPI_APMT_NODE_TYPE_MC = 0x00,
320 	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
321 	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
322 	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
323 	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
324 	ACPI_APMT_NODE_TYPE_COUNT
325 };
326 
327 /* Masks for ovflw_irq_flags field above */
328 
329 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
330 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
331 
332 /* Values for ovflw_irq_flags mode field above */
333 
334 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
335 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
336 
337 /* Values for ovflw_irq_flags type field above */
338 
339 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
340 
341 /*******************************************************************************
342  *
343  * BDAT - BIOS Data ACPI Table
344  *
345  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
346  * Nov 2020
347  *
348  ******************************************************************************/
349 
350 struct acpi_table_bdat {
351 	struct acpi_table_header header;
352 	struct acpi_generic_address gas;
353 };
354 
355 /*******************************************************************************
356  *
357  * IORT - IO Remapping Table
358  *
359  * Conforms to "IO Remapping Table System Software on ARM Platforms",
360  * Document number: ARM DEN 0049E.d, Feb 2022
361  *
362  ******************************************************************************/
363 
364 struct acpi_table_iort {
365 	struct acpi_table_header header;
366 	u32 node_count;
367 	u32 node_offset;
368 	u32 reserved;
369 };
370 
371 /*
372  * IORT subtables
373  */
374 struct acpi_iort_node {
375 	u8 type;
376 	u16 length;
377 	u8 revision;
378 	u32 identifier;
379 	u32 mapping_count;
380 	u32 mapping_offset;
381 	char node_data[1];
382 };
383 
384 /* Values for subtable Type above */
385 
386 enum acpi_iort_node_type {
387 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
388 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
389 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
390 	ACPI_IORT_NODE_SMMU = 0x03,
391 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
392 	ACPI_IORT_NODE_PMCG = 0x05,
393 	ACPI_IORT_NODE_RMR = 0x06,
394 };
395 
396 struct acpi_iort_id_mapping {
397 	u32 input_base;		/* Lowest value in input range */
398 	u32 id_count;		/* Number of IDs */
399 	u32 output_base;	/* Lowest value in output range */
400 	u32 output_reference;	/* A reference to the output node */
401 	u32 flags;
402 };
403 
404 /* Masks for Flags field above for IORT subtable */
405 
406 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
407 
408 struct acpi_iort_memory_access {
409 	u32 cache_coherency;
410 	u8 hints;
411 	u16 reserved;
412 	u8 memory_flags;
413 };
414 
415 /* Values for cache_coherency field above */
416 
417 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
418 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
419 
420 /* Masks for Hints field above */
421 
422 #define ACPI_IORT_HT_TRANSIENT          (1)
423 #define ACPI_IORT_HT_WRITE              (1<<1)
424 #define ACPI_IORT_HT_READ               (1<<2)
425 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
426 
427 /* Masks for memory_flags field above */
428 
429 #define ACPI_IORT_MF_COHERENCY          (1)
430 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
431 
432 /*
433  * IORT node specific subtables
434  */
435 struct acpi_iort_its_group {
436 	u32 its_count;
437 	u32 identifiers[1];	/* GIC ITS identifier array */
438 };
439 
440 struct acpi_iort_named_component {
441 	u32 node_flags;
442 	u64 memory_properties;	/* Memory access properties */
443 	u8 memory_address_limit;	/* Memory address size limit */
444 	char device_name[1];	/* Path of namespace object */
445 };
446 
447 /* Masks for Flags field above */
448 
449 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
450 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
451 
452 struct acpi_iort_root_complex {
453 	u64 memory_properties;	/* Memory access properties */
454 	u32 ats_attribute;
455 	u32 pci_segment_number;
456 	u8 memory_address_limit;	/* Memory address size limit */
457 	u16 pasid_capabilities;	/* PASID Capabilities */
458 	u8 reserved[1];		/* Reserved, must be zero */
459 };
460 
461 /* Masks for ats_attribute field above */
462 
463 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
464 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
465 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
466 
467 /* Masks for pasid_capabilities field above */
468 #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)	/* Bits 0-4 */
469 
470 struct acpi_iort_smmu {
471 	u64 base_address;	/* SMMU base address */
472 	u64 span;		/* Length of memory range */
473 	u32 model;
474 	u32 flags;
475 	u32 global_interrupt_offset;
476 	u32 context_interrupt_count;
477 	u32 context_interrupt_offset;
478 	u32 pmu_interrupt_count;
479 	u32 pmu_interrupt_offset;
480 	u64 interrupts[1];	/* Interrupt array */
481 };
482 
483 /* Values for Model field above */
484 
485 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
486 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
487 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
488 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
489 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
490 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
491 
492 /* Masks for Flags field above */
493 
494 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
495 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
496 
497 /* Global interrupt format */
498 
499 struct acpi_iort_smmu_gsi {
500 	u32 nsg_irpt;
501 	u32 nsg_irpt_flags;
502 	u32 nsg_cfg_irpt;
503 	u32 nsg_cfg_irpt_flags;
504 };
505 
506 struct acpi_iort_smmu_v3 {
507 	u64 base_address;	/* SMMUv3 base address */
508 	u32 flags;
509 	u32 reserved;
510 	u64 vatos_address;
511 	u32 model;
512 	u32 event_gsiv;
513 	u32 pri_gsiv;
514 	u32 gerr_gsiv;
515 	u32 sync_gsiv;
516 	u32 pxm;
517 	u32 id_mapping_index;
518 };
519 
520 /* Values for Model field above */
521 
522 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
523 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
524 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
525 
526 /* Masks for Flags field above */
527 
528 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
529 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
530 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
531 
532 struct acpi_iort_pmcg {
533 	u64 page0_base_address;
534 	u32 overflow_gsiv;
535 	u32 node_reference;
536 	u64 page1_base_address;
537 };
538 
539 struct acpi_iort_rmr {
540 	u32 flags;
541 	u32 rmr_count;
542 	u32 rmr_offset;
543 };
544 
545 /* Masks for Flags field above */
546 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
547 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
548 
549 /*
550  * Macro to access the Access Attributes in flags field above:
551  *  Access Attributes is encoded in bits 9:2
552  */
553 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
554 
555 /* Values for above Access Attributes */
556 
557 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
558 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
559 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
560 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
561 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
562 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
563 
564 struct acpi_iort_rmr_desc {
565 	u64 base_address;
566 	u64 length;
567 	u32 reserved;
568 };
569 
570 /*******************************************************************************
571  *
572  * IVRS - I/O Virtualization Reporting Structure
573  *        Version 1
574  *
575  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
576  * Revision 1.26, February 2009.
577  *
578  ******************************************************************************/
579 
580 struct acpi_table_ivrs {
581 	struct acpi_table_header header;	/* Common ACPI table header */
582 	u32 info;		/* Common virtualization info */
583 	u64 reserved;
584 };
585 
586 /* Values for Info field above */
587 
588 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
589 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
590 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
591 
592 /* IVRS subtable header */
593 
594 struct acpi_ivrs_header {
595 	u8 type;		/* Subtable type */
596 	u8 flags;
597 	u16 length;		/* Subtable length */
598 	u16 device_id;		/* ID of IOMMU */
599 };
600 
601 /* Values for subtable Type above */
602 
603 enum acpi_ivrs_type {
604 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
605 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
606 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
607 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
608 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
609 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
610 };
611 
612 /* Masks for Flags field above for IVHD subtable */
613 
614 #define ACPI_IVHD_TT_ENABLE         (1)
615 #define ACPI_IVHD_PASS_PW           (1<<1)
616 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
617 #define ACPI_IVHD_ISOC              (1<<3)
618 #define ACPI_IVHD_IOTLB             (1<<4)
619 
620 /* Masks for Flags field above for IVMD subtable */
621 
622 #define ACPI_IVMD_UNITY             (1)
623 #define ACPI_IVMD_READ              (1<<1)
624 #define ACPI_IVMD_WRITE             (1<<2)
625 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
626 
627 /*
628  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
629  */
630 
631 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
632 
633 struct acpi_ivrs_hardware_10 {
634 	struct acpi_ivrs_header header;
635 	u16 capability_offset;	/* Offset for IOMMU control fields */
636 	u64 base_address;	/* IOMMU control registers */
637 	u16 pci_segment_group;
638 	u16 info;		/* MSI number and unit ID */
639 	u32 feature_reporting;
640 };
641 
642 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
643 
644 struct acpi_ivrs_hardware_11 {
645 	struct acpi_ivrs_header header;
646 	u16 capability_offset;	/* Offset for IOMMU control fields */
647 	u64 base_address;	/* IOMMU control registers */
648 	u16 pci_segment_group;
649 	u16 info;		/* MSI number and unit ID */
650 	u32 attributes;
651 	u64 efr_register_image;
652 	u64 reserved;
653 };
654 
655 /* Masks for Info field above */
656 
657 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
658 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
659 
660 /*
661  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
662  * Upper two bits of the Type field are the (encoded) length of the structure.
663  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
664  * are reserved for future use but not defined.
665  */
666 struct acpi_ivrs_de_header {
667 	u8 type;
668 	u16 id;
669 	u8 data_setting;
670 };
671 
672 /* Length of device entry is in the top two bits of Type field above */
673 
674 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
675 
676 /* Values for device entry Type field above */
677 
678 enum acpi_ivrs_device_entry_type {
679 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
680 
681 	ACPI_IVRS_TYPE_PAD4 = 0,
682 	ACPI_IVRS_TYPE_ALL = 1,
683 	ACPI_IVRS_TYPE_SELECT = 2,
684 	ACPI_IVRS_TYPE_START = 3,
685 	ACPI_IVRS_TYPE_END = 4,
686 
687 	/* 8-byte device entries */
688 
689 	ACPI_IVRS_TYPE_PAD8 = 64,
690 	ACPI_IVRS_TYPE_NOT_USED = 65,
691 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
692 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
693 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
694 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
695 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
696 
697 	/* Variable-length device entries */
698 
699 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
700 };
701 
702 /* Values for Data field above */
703 
704 #define ACPI_IVHD_INIT_PASS         (1)
705 #define ACPI_IVHD_EINT_PASS         (1<<1)
706 #define ACPI_IVHD_NMI_PASS          (1<<2)
707 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
708 #define ACPI_IVHD_LINT0_PASS        (1<<6)
709 #define ACPI_IVHD_LINT1_PASS        (1<<7)
710 
711 /* Types 0-4: 4-byte device entry */
712 
713 struct acpi_ivrs_device4 {
714 	struct acpi_ivrs_de_header header;
715 };
716 
717 /* Types 66-67: 8-byte device entry */
718 
719 struct acpi_ivrs_device8a {
720 	struct acpi_ivrs_de_header header;
721 	u8 reserved1;
722 	u16 used_id;
723 	u8 reserved2;
724 };
725 
726 /* Types 70-71: 8-byte device entry */
727 
728 struct acpi_ivrs_device8b {
729 	struct acpi_ivrs_de_header header;
730 	u32 extended_data;
731 };
732 
733 /* Values for extended_data above */
734 
735 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
736 
737 /* Type 72: 8-byte device entry */
738 
739 struct acpi_ivrs_device8c {
740 	struct acpi_ivrs_de_header header;
741 	u8 handle;
742 	u16 used_id;
743 	u8 variety;
744 };
745 
746 /* Values for Variety field above */
747 
748 #define ACPI_IVHD_IOAPIC            1
749 #define ACPI_IVHD_HPET              2
750 
751 /* Type 240: variable-length device entry */
752 
753 struct acpi_ivrs_device_hid {
754 	struct acpi_ivrs_de_header header;
755 	u64 acpi_hid;
756 	u64 acpi_cid;
757 	u8 uid_type;
758 	u8 uid_length;
759 };
760 
761 /* Values for uid_type above */
762 
763 #define ACPI_IVRS_UID_NOT_PRESENT   0
764 #define ACPI_IVRS_UID_IS_INTEGER    1
765 #define ACPI_IVRS_UID_IS_STRING     2
766 
767 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
768 
769 struct acpi_ivrs_memory {
770 	struct acpi_ivrs_header header;
771 	u16 aux_data;
772 	u64 reserved;
773 	u64 start_address;
774 	u64 memory_length;
775 };
776 
777 /*******************************************************************************
778  *
779  * LPIT - Low Power Idle Table
780  *
781  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
782  *
783  ******************************************************************************/
784 
785 struct acpi_table_lpit {
786 	struct acpi_table_header header;	/* Common ACPI table header */
787 };
788 
789 /* LPIT subtable header */
790 
791 struct acpi_lpit_header {
792 	u32 type;		/* Subtable type */
793 	u32 length;		/* Subtable length */
794 	u16 unique_id;
795 	u16 reserved;
796 	u32 flags;
797 };
798 
799 /* Values for subtable Type above */
800 
801 enum acpi_lpit_type {
802 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
803 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
804 };
805 
806 /* Masks for Flags field above  */
807 
808 #define ACPI_LPIT_STATE_DISABLED    (1)
809 #define ACPI_LPIT_NO_COUNTER        (1<<1)
810 
811 /*
812  * LPIT subtables, correspond to Type in struct acpi_lpit_header
813  */
814 
815 /* 0x00: Native C-state instruction based LPI structure */
816 
817 struct acpi_lpit_native {
818 	struct acpi_lpit_header header;
819 	struct acpi_generic_address entry_trigger;
820 	u32 residency;
821 	u32 latency;
822 	struct acpi_generic_address residency_counter;
823 	u64 counter_frequency;
824 };
825 
826 /*******************************************************************************
827  *
828  * MADT - Multiple APIC Description Table
829  *        Version 3
830  *
831  ******************************************************************************/
832 
833 struct acpi_table_madt {
834 	struct acpi_table_header header;	/* Common ACPI table header */
835 	u32 address;		/* Physical address of local APIC */
836 	u32 flags;
837 };
838 
839 /* Masks for Flags field above */
840 
841 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
842 
843 /* Values for PCATCompat flag */
844 
845 #define ACPI_MADT_DUAL_PIC          1
846 #define ACPI_MADT_MULTIPLE_APIC     0
847 
848 /* Values for MADT subtable type in struct acpi_subtable_header */
849 
850 enum acpi_madt_type {
851 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
852 	ACPI_MADT_TYPE_IO_APIC = 1,
853 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
854 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
855 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
856 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
857 	ACPI_MADT_TYPE_IO_SAPIC = 6,
858 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
859 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
860 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
861 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
862 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
863 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
864 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
865 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
866 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
867 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
868 	ACPI_MADT_TYPE_RESERVED = 17,	/* 17 to 0x7F are reserved */
869 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
870 };
871 
872 /*
873  * MADT Subtables, correspond to Type in struct acpi_subtable_header
874  */
875 
876 /* 0: Processor Local APIC */
877 
878 struct acpi_madt_local_apic {
879 	struct acpi_subtable_header header;
880 	u8 processor_id;	/* ACPI processor id */
881 	u8 id;			/* Processor's local APIC id */
882 	u32 lapic_flags;
883 };
884 
885 /* 1: IO APIC */
886 
887 struct acpi_madt_io_apic {
888 	struct acpi_subtable_header header;
889 	u8 id;			/* I/O APIC ID */
890 	u8 reserved;		/* reserved - must be zero */
891 	u32 address;		/* APIC physical address */
892 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
893 };
894 
895 /* 2: Interrupt Override */
896 
897 struct acpi_madt_interrupt_override {
898 	struct acpi_subtable_header header;
899 	u8 bus;			/* 0 - ISA */
900 	u8 source_irq;		/* Interrupt source (IRQ) */
901 	u32 global_irq;		/* Global system interrupt */
902 	u16 inti_flags;
903 };
904 
905 /* 3: NMI Source */
906 
907 struct acpi_madt_nmi_source {
908 	struct acpi_subtable_header header;
909 	u16 inti_flags;
910 	u32 global_irq;		/* Global system interrupt */
911 };
912 
913 /* 4: Local APIC NMI */
914 
915 struct acpi_madt_local_apic_nmi {
916 	struct acpi_subtable_header header;
917 	u8 processor_id;	/* ACPI processor id */
918 	u16 inti_flags;
919 	u8 lint;		/* LINTn to which NMI is connected */
920 };
921 
922 /* 5: Address Override */
923 
924 struct acpi_madt_local_apic_override {
925 	struct acpi_subtable_header header;
926 	u16 reserved;		/* Reserved, must be zero */
927 	u64 address;		/* APIC physical address */
928 };
929 
930 /* 6: I/O Sapic */
931 
932 struct acpi_madt_io_sapic {
933 	struct acpi_subtable_header header;
934 	u8 id;			/* I/O SAPIC ID */
935 	u8 reserved;		/* Reserved, must be zero */
936 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
937 	u64 address;		/* SAPIC physical address */
938 };
939 
940 /* 7: Local Sapic */
941 
942 struct acpi_madt_local_sapic {
943 	struct acpi_subtable_header header;
944 	u8 processor_id;	/* ACPI processor id */
945 	u8 id;			/* SAPIC ID */
946 	u8 eid;			/* SAPIC EID */
947 	u8 reserved[3];		/* Reserved, must be zero */
948 	u32 lapic_flags;
949 	u32 uid;		/* Numeric UID - ACPI 3.0 */
950 	char uid_string[1];	/* String UID  - ACPI 3.0 */
951 };
952 
953 /* 8: Platform Interrupt Source */
954 
955 struct acpi_madt_interrupt_source {
956 	struct acpi_subtable_header header;
957 	u16 inti_flags;
958 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
959 	u8 id;			/* Processor ID */
960 	u8 eid;			/* Processor EID */
961 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
962 	u32 global_irq;		/* Global system interrupt */
963 	u32 flags;		/* Interrupt Source Flags */
964 };
965 
966 /* Masks for Flags field above */
967 
968 #define ACPI_MADT_CPEI_OVERRIDE     (1)
969 
970 /* 9: Processor Local X2APIC (ACPI 4.0) */
971 
972 struct acpi_madt_local_x2apic {
973 	struct acpi_subtable_header header;
974 	u16 reserved;		/* reserved - must be zero */
975 	u32 local_apic_id;	/* Processor x2APIC ID  */
976 	u32 lapic_flags;
977 	u32 uid;		/* ACPI processor UID */
978 };
979 
980 /* 10: Local X2APIC NMI (ACPI 4.0) */
981 
982 struct acpi_madt_local_x2apic_nmi {
983 	struct acpi_subtable_header header;
984 	u16 inti_flags;
985 	u32 uid;		/* ACPI processor UID */
986 	u8 lint;		/* LINTn to which NMI is connected */
987 	u8 reserved[3];		/* reserved - must be zero */
988 };
989 
990 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
991 
992 struct acpi_madt_generic_interrupt {
993 	struct acpi_subtable_header header;
994 	u16 reserved;		/* reserved - must be zero */
995 	u32 cpu_interface_number;
996 	u32 uid;
997 	u32 flags;
998 	u32 parking_version;
999 	u32 performance_interrupt;
1000 	u64 parked_address;
1001 	u64 base_address;
1002 	u64 gicv_base_address;
1003 	u64 gich_base_address;
1004 	u32 vgic_interrupt;
1005 	u64 gicr_base_address;
1006 	u64 arm_mpidr;
1007 	u8 efficiency_class;
1008 	u8 reserved2[1];
1009 	u16 spe_interrupt;	/* ACPI 6.3 */
1010 };
1011 
1012 /* Masks for Flags field above */
1013 
1014 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1015 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1016 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1017 
1018 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1019 
1020 struct acpi_madt_generic_distributor {
1021 	struct acpi_subtable_header header;
1022 	u16 reserved;		/* reserved - must be zero */
1023 	u32 gic_id;
1024 	u64 base_address;
1025 	u32 global_irq_base;
1026 	u8 version;
1027 	u8 reserved2[3];	/* reserved - must be zero */
1028 };
1029 
1030 /* Values for Version field above */
1031 
1032 enum acpi_madt_gic_version {
1033 	ACPI_MADT_GIC_VERSION_NONE = 0,
1034 	ACPI_MADT_GIC_VERSION_V1 = 1,
1035 	ACPI_MADT_GIC_VERSION_V2 = 2,
1036 	ACPI_MADT_GIC_VERSION_V3 = 3,
1037 	ACPI_MADT_GIC_VERSION_V4 = 4,
1038 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1039 };
1040 
1041 /* 13: Generic MSI Frame (ACPI 5.1) */
1042 
1043 struct acpi_madt_generic_msi_frame {
1044 	struct acpi_subtable_header header;
1045 	u16 reserved;		/* reserved - must be zero */
1046 	u32 msi_frame_id;
1047 	u64 base_address;
1048 	u32 flags;
1049 	u16 spi_count;
1050 	u16 spi_base;
1051 };
1052 
1053 /* Masks for Flags field above */
1054 
1055 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1056 
1057 /* 14: Generic Redistributor (ACPI 5.1) */
1058 
1059 struct acpi_madt_generic_redistributor {
1060 	struct acpi_subtable_header header;
1061 	u16 reserved;		/* reserved - must be zero */
1062 	u64 base_address;
1063 	u32 length;
1064 };
1065 
1066 /* 15: Generic Translator (ACPI 6.0) */
1067 
1068 struct acpi_madt_generic_translator {
1069 	struct acpi_subtable_header header;
1070 	u16 reserved;		/* reserved - must be zero */
1071 	u32 translation_id;
1072 	u64 base_address;
1073 	u32 reserved2;
1074 };
1075 
1076 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1077 
1078 struct acpi_madt_multiproc_wakeup {
1079 	struct acpi_subtable_header header;
1080 	u16 mailbox_version;
1081 	u32 reserved;		/* reserved - must be zero */
1082 	u64 base_address;
1083 };
1084 
1085 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1086 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1087 
1088 struct acpi_madt_multiproc_wakeup_mailbox {
1089 	u16 command;
1090 	u16 reserved;		/* reserved - must be zero */
1091 	u32 apic_id;
1092 	u64 wakeup_vector;
1093 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1094 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1095 };
1096 
1097 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1098 
1099 /* 17: OEM data */
1100 
1101 struct acpi_madt_oem_data {
1102 	u8 oem_data[0];
1103 };
1104 
1105 /*
1106  * Common flags fields for MADT subtables
1107  */
1108 
1109 /* MADT Local APIC flags */
1110 
1111 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1112 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1113 
1114 /* MADT MPS INTI flags (inti_flags) */
1115 
1116 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1117 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1118 
1119 /* Values for MPS INTI flags */
1120 
1121 #define ACPI_MADT_POLARITY_CONFORMS       0
1122 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1123 #define ACPI_MADT_POLARITY_RESERVED       2
1124 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1125 
1126 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1127 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1128 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1129 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1130 
1131 /*******************************************************************************
1132  *
1133  * MCFG - PCI Memory Mapped Configuration table and subtable
1134  *        Version 1
1135  *
1136  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1137  *
1138  ******************************************************************************/
1139 
1140 struct acpi_table_mcfg {
1141 	struct acpi_table_header header;	/* Common ACPI table header */
1142 	u8 reserved[8];
1143 };
1144 
1145 /* Subtable */
1146 
1147 struct acpi_mcfg_allocation {
1148 	u64 address;		/* Base address, processor-relative */
1149 	u16 pci_segment;	/* PCI segment group number */
1150 	u8 start_bus_number;	/* Starting PCI Bus number */
1151 	u8 end_bus_number;	/* Final PCI Bus number */
1152 	u32 reserved;
1153 };
1154 
1155 /*******************************************************************************
1156  *
1157  * MCHI - Management Controller Host Interface Table
1158  *        Version 1
1159  *
1160  * Conforms to "Management Component Transport Protocol (MCTP) Host
1161  * Interface Specification", Revision 1.0.0a, October 13, 2009
1162  *
1163  ******************************************************************************/
1164 
1165 struct acpi_table_mchi {
1166 	struct acpi_table_header header;	/* Common ACPI table header */
1167 	u8 interface_type;
1168 	u8 protocol;
1169 	u64 protocol_data;
1170 	u8 interrupt_type;
1171 	u8 gpe;
1172 	u8 pci_device_flag;
1173 	u32 global_interrupt;
1174 	struct acpi_generic_address control_register;
1175 	u8 pci_segment;
1176 	u8 pci_bus;
1177 	u8 pci_device;
1178 	u8 pci_function;
1179 };
1180 
1181 /*******************************************************************************
1182  *
1183  * MPST - Memory Power State Table (ACPI 5.0)
1184  *        Version 1
1185  *
1186  ******************************************************************************/
1187 
1188 #define ACPI_MPST_CHANNEL_INFO \
1189 	u8                              channel_id; \
1190 	u8                              reserved1[3]; \
1191 	u16                             power_node_count; \
1192 	u16                             reserved2;
1193 
1194 /* Main table */
1195 
1196 struct acpi_table_mpst {
1197 	struct acpi_table_header header;	/* Common ACPI table header */
1198 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1199 };
1200 
1201 /* Memory Platform Communication Channel Info */
1202 
1203 struct acpi_mpst_channel {
1204 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1205 };
1206 
1207 /* Memory Power Node Structure */
1208 
1209 struct acpi_mpst_power_node {
1210 	u8 flags;
1211 	u8 reserved1;
1212 	u16 node_id;
1213 	u32 length;
1214 	u64 range_address;
1215 	u64 range_length;
1216 	u32 num_power_states;
1217 	u32 num_physical_components;
1218 };
1219 
1220 /* Values for Flags field above */
1221 
1222 #define ACPI_MPST_ENABLED               1
1223 #define ACPI_MPST_POWER_MANAGED         2
1224 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1225 
1226 /* Memory Power State Structure (follows POWER_NODE above) */
1227 
1228 struct acpi_mpst_power_state {
1229 	u8 power_state;
1230 	u8 info_index;
1231 };
1232 
1233 /* Physical Component ID Structure (follows POWER_STATE above) */
1234 
1235 struct acpi_mpst_component {
1236 	u16 component_id;
1237 };
1238 
1239 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1240 
1241 struct acpi_mpst_data_hdr {
1242 	u16 characteristics_count;
1243 	u16 reserved;
1244 };
1245 
1246 struct acpi_mpst_power_data {
1247 	u8 structure_id;
1248 	u8 flags;
1249 	u16 reserved1;
1250 	u32 average_power;
1251 	u32 power_saving;
1252 	u64 exit_latency;
1253 	u64 reserved2;
1254 };
1255 
1256 /* Values for Flags field above */
1257 
1258 #define ACPI_MPST_PRESERVE              1
1259 #define ACPI_MPST_AUTOENTRY             2
1260 #define ACPI_MPST_AUTOEXIT              4
1261 
1262 /* Shared Memory Region (not part of an ACPI table) */
1263 
1264 struct acpi_mpst_shared {
1265 	u32 signature;
1266 	u16 pcc_command;
1267 	u16 pcc_status;
1268 	u32 command_register;
1269 	u32 status_register;
1270 	u32 power_state_id;
1271 	u32 power_node_id;
1272 	u64 energy_consumed;
1273 	u64 average_power;
1274 };
1275 
1276 /*******************************************************************************
1277  *
1278  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1279  *        Version 1
1280  *
1281  ******************************************************************************/
1282 
1283 struct acpi_table_msct {
1284 	struct acpi_table_header header;	/* Common ACPI table header */
1285 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1286 	u32 max_proximity_domains;	/* Max number of proximity domains */
1287 	u32 max_clock_domains;	/* Max number of clock domains */
1288 	u64 max_address;	/* Max physical address in system */
1289 };
1290 
1291 /* subtable - Maximum Proximity Domain Information. Version 1 */
1292 
1293 struct acpi_msct_proximity {
1294 	u8 revision;
1295 	u8 length;
1296 	u32 range_start;	/* Start of domain range */
1297 	u32 range_end;		/* End of domain range */
1298 	u32 processor_capacity;
1299 	u64 memory_capacity;	/* In bytes */
1300 };
1301 
1302 /*******************************************************************************
1303  *
1304  * MSDM - Microsoft Data Management table
1305  *
1306  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1307  * November 29, 2011. Copyright 2011 Microsoft
1308  *
1309  ******************************************************************************/
1310 
1311 /* Basic MSDM table is only the common ACPI header */
1312 
1313 struct acpi_table_msdm {
1314 	struct acpi_table_header header;	/* Common ACPI table header */
1315 };
1316 
1317 /*******************************************************************************
1318  *
1319  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1320  *        Version 1
1321  *
1322  ******************************************************************************/
1323 
1324 struct acpi_table_nfit {
1325 	struct acpi_table_header header;	/* Common ACPI table header */
1326 	u32 reserved;		/* Reserved, must be zero */
1327 };
1328 
1329 /* Subtable header for NFIT */
1330 
1331 struct acpi_nfit_header {
1332 	u16 type;
1333 	u16 length;
1334 };
1335 
1336 /* Values for subtable type in struct acpi_nfit_header */
1337 
1338 enum acpi_nfit_type {
1339 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1340 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1341 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1342 	ACPI_NFIT_TYPE_SMBIOS = 3,
1343 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1344 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1345 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1346 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1347 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1348 };
1349 
1350 /*
1351  * NFIT Subtables
1352  */
1353 
1354 /* 0: System Physical Address Range Structure */
1355 
1356 struct acpi_nfit_system_address {
1357 	struct acpi_nfit_header header;
1358 	u16 range_index;
1359 	u16 flags;
1360 	u32 reserved;		/* Reserved, must be zero */
1361 	u32 proximity_domain;
1362 	u8 range_guid[16];
1363 	u64 address;
1364 	u64 length;
1365 	u64 memory_mapping;
1366 	u64 location_cookie;	/* ACPI 6.4 */
1367 };
1368 
1369 /* Flags */
1370 
1371 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1372 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1373 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1374 
1375 /* Range Type GUIDs appear in the include/acuuid.h file */
1376 
1377 /* 1: Memory Device to System Address Range Map Structure */
1378 
1379 struct acpi_nfit_memory_map {
1380 	struct acpi_nfit_header header;
1381 	u32 device_handle;
1382 	u16 physical_id;
1383 	u16 region_id;
1384 	u16 range_index;
1385 	u16 region_index;
1386 	u64 region_size;
1387 	u64 region_offset;
1388 	u64 address;
1389 	u16 interleave_index;
1390 	u16 interleave_ways;
1391 	u16 flags;
1392 	u16 reserved;		/* Reserved, must be zero */
1393 };
1394 
1395 /* Flags */
1396 
1397 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1398 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1399 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1400 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1401 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1402 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1403 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1404 
1405 /* 2: Interleave Structure */
1406 
1407 struct acpi_nfit_interleave {
1408 	struct acpi_nfit_header header;
1409 	u16 interleave_index;
1410 	u16 reserved;		/* Reserved, must be zero */
1411 	u32 line_count;
1412 	u32 line_size;
1413 	u32 line_offset[1];	/* Variable length */
1414 };
1415 
1416 /* 3: SMBIOS Management Information Structure */
1417 
1418 struct acpi_nfit_smbios {
1419 	struct acpi_nfit_header header;
1420 	u32 reserved;		/* Reserved, must be zero */
1421 	u8 data[1];		/* Variable length */
1422 };
1423 
1424 /* 4: NVDIMM Control Region Structure */
1425 
1426 struct acpi_nfit_control_region {
1427 	struct acpi_nfit_header header;
1428 	u16 region_index;
1429 	u16 vendor_id;
1430 	u16 device_id;
1431 	u16 revision_id;
1432 	u16 subsystem_vendor_id;
1433 	u16 subsystem_device_id;
1434 	u16 subsystem_revision_id;
1435 	u8 valid_fields;
1436 	u8 manufacturing_location;
1437 	u16 manufacturing_date;
1438 	u8 reserved[2];		/* Reserved, must be zero */
1439 	u32 serial_number;
1440 	u16 code;
1441 	u16 windows;
1442 	u64 window_size;
1443 	u64 command_offset;
1444 	u64 command_size;
1445 	u64 status_offset;
1446 	u64 status_size;
1447 	u16 flags;
1448 	u8 reserved1[6];	/* Reserved, must be zero */
1449 };
1450 
1451 /* Flags */
1452 
1453 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1454 
1455 /* valid_fields bits */
1456 
1457 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1458 
1459 /* 5: NVDIMM Block Data Window Region Structure */
1460 
1461 struct acpi_nfit_data_region {
1462 	struct acpi_nfit_header header;
1463 	u16 region_index;
1464 	u16 windows;
1465 	u64 offset;
1466 	u64 size;
1467 	u64 capacity;
1468 	u64 start_address;
1469 };
1470 
1471 /* 6: Flush Hint Address Structure */
1472 
1473 struct acpi_nfit_flush_address {
1474 	struct acpi_nfit_header header;
1475 	u32 device_handle;
1476 	u16 hint_count;
1477 	u8 reserved[6];		/* Reserved, must be zero */
1478 	u64 hint_address[1];	/* Variable length */
1479 };
1480 
1481 /* 7: Platform Capabilities Structure */
1482 
1483 struct acpi_nfit_capabilities {
1484 	struct acpi_nfit_header header;
1485 	u8 highest_capability;
1486 	u8 reserved[3];		/* Reserved, must be zero */
1487 	u32 capabilities;
1488 	u32 reserved2;
1489 };
1490 
1491 /* Capabilities Flags */
1492 
1493 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1494 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1495 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1496 
1497 /*
1498  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1499  */
1500 struct nfit_device_handle {
1501 	u32 handle;
1502 };
1503 
1504 /* Device handle construction and extraction macros */
1505 
1506 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1507 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1508 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1509 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1510 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1511 
1512 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1513 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1514 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1515 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1516 #define ACPI_NFIT_NODE_ID_OFFSET                16
1517 
1518 /* Macro to construct a NFIT/NVDIMM device handle */
1519 
1520 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1521 	((dimm)                                         | \
1522 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1523 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1524 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1525 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1526 
1527 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1528 
1529 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1530 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1531 
1532 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1533 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1534 
1535 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1536 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1537 
1538 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1539 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1540 
1541 #define ACPI_NFIT_GET_NODE_ID(handle) \
1542 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1543 
1544 /*******************************************************************************
1545  *
1546  * NHLT - Non HD Audio Link Table
1547  *
1548  * Conforms to: Intel Smart Sound Technology NHLT Specification
1549  * Version 0.8.1, January 2020.
1550  *
1551  ******************************************************************************/
1552 
1553 /* Main table */
1554 
1555 struct acpi_table_nhlt {
1556 	struct acpi_table_header header;	/* Common ACPI table header */
1557 	u8 endpoint_count;
1558 };
1559 
1560 struct acpi_nhlt_endpoint {
1561 	u32 descriptor_length;
1562 	u8 link_type;
1563 	u8 instance_id;
1564 	u16 vendor_id;
1565 	u16 device_id;
1566 	u16 revision_id;
1567 	u32 subsystem_id;
1568 	u8 device_type;
1569 	u8 direction;
1570 	u8 virtual_bus_id;
1571 };
1572 
1573 /* Types for link_type field above */
1574 
1575 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1576 #define ACPI_NHLT_RESERVED_DSP              1
1577 #define ACPI_NHLT_PDM                       2
1578 #define ACPI_NHLT_SSP                       3
1579 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1580 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1581 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1582 
1583 /* All other values above are reserved */
1584 
1585 /* Values for device_id field above */
1586 
1587 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1588 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1589 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1590 
1591 /* Values for device_type field above */
1592 
1593 /* SSP Link */
1594 
1595 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1596 #define ACPI_NHLT_LINK_FM                   1
1597 #define ACPI_NHLT_LINK_MODEM                2
1598 /* 3 is reserved */
1599 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1600 
1601 /* PDM Link */
1602 
1603 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1604 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1605 
1606 /* Values for Direction field above */
1607 
1608 #define ACPI_NHLT_DIR_RENDER                0
1609 #define ACPI_NHLT_DIR_CAPTURE               1
1610 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1611 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1612 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1613 
1614 struct acpi_nhlt_device_specific_config {
1615 	u32 capabilities_size;
1616 	u8 virtual_slot;
1617 	u8 config_type;
1618 };
1619 
1620 struct acpi_nhlt_device_specific_config_a {
1621 	u32 capabilities_size;
1622 	u8 virtual_slot;
1623 	u8 config_type;
1624 	u8 array_type;
1625 };
1626 
1627 /* Values for Config Type above */
1628 
1629 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1630 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1631 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1632 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1633 
1634 struct acpi_nhlt_device_specific_config_b {
1635 	u32 capabilities_size;
1636 };
1637 
1638 struct acpi_nhlt_device_specific_config_c {
1639 	u32 capabilities_size;
1640 	u8 virtual_slot;
1641 };
1642 
1643 struct acpi_nhlt_render_device_specific_config {
1644 	u32 capabilities_size;
1645 	u8 virtual_slot;
1646 };
1647 
1648 struct acpi_nhlt_wave_extensible {
1649 	u16 format_tag;
1650 	u16 channel_count;
1651 	u32 samples_per_sec;
1652 	u32 avg_bytes_per_sec;
1653 	u16 block_align;
1654 	u16 bits_per_sample;
1655 	u16 extra_format_size;
1656 	u16 valid_bits_per_sample;
1657 	u32 channel_mask;
1658 	u8 sub_format_guid[16];
1659 };
1660 
1661 /* Values for channel_mask above */
1662 
1663 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1664 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1665 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1666 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1667 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1668 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1669 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1670 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1671 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1672 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1673 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1674 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1675 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1676 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1677 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1678 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1679 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1680 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1681 
1682 struct acpi_nhlt_format_config {
1683 	struct acpi_nhlt_wave_extensible format;
1684 	u32 capability_size;
1685 	u8 capabilities[];
1686 };
1687 
1688 struct acpi_nhlt_formats_config {
1689 	u8 formats_count;
1690 };
1691 
1692 struct acpi_nhlt_device_specific_hdr {
1693 	u8 virtual_slot;
1694 	u8 config_type;
1695 };
1696 
1697 /* Types for config_type above */
1698 
1699 #define ACPI_NHLT_GENERIC                   0
1700 #define ACPI_NHLT_MIC                       1
1701 #define ACPI_NHLT_RENDER                    3
1702 
1703 struct acpi_nhlt_mic_device_specific_config {
1704 	struct acpi_nhlt_device_specific_hdr device_config;
1705 	u8 array_type_ext;
1706 };
1707 
1708 /* Values for array_type_ext above */
1709 
1710 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
1711 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
1712 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
1713 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
1714 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
1715 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
1716 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
1717 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
1718 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
1719 
1720 #define ACPI_NHLT_NO_EXTENSION                      0x0
1721 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
1722 
1723 struct acpi_nhlt_vendor_mic_count {
1724 	u8 microphone_count;
1725 };
1726 
1727 struct acpi_nhlt_vendor_mic_config {
1728 	u8 type;
1729 	u8 panel;
1730 	u16 speaker_position_distance;	/* mm */
1731 	u16 horizontal_offset;	/* mm */
1732 	u16 vertical_offset;	/* mm */
1733 	u8 frequency_low_band;	/* 5*Hz */
1734 	u8 frequency_high_band;	/* 500*Hz */
1735 	u16 direction_angle;	/* -180 - + 180 */
1736 	u16 elevation_angle;	/* -180 - + 180 */
1737 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
1738 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
1739 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
1740 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
1741 };
1742 
1743 /* Values for Type field above */
1744 
1745 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
1746 #define ACPI_NHLT_MIC_SUBCARDIOID           1
1747 #define ACPI_NHLT_MIC_CARDIOID              2
1748 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
1749 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
1750 #define ACPI_NHLT_MIC_8_SHAPED              5
1751 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
1752 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
1753 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
1754 
1755 /* Values for Panel field above */
1756 
1757 #define ACPI_NHLT_MIC_POSITION_TOP          0
1758 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
1759 #define ACPI_NHLT_MIC_POSITION_LEFT         2
1760 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
1761 #define ACPI_NHLT_MIC_POSITION_FRONT        4
1762 #define ACPI_NHLT_MIC_POSITION_BACK         5
1763 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
1764 
1765 struct acpi_nhlt_vendor_mic_device_specific_config {
1766 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
1767 	u8 number_of_microphones;
1768 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
1769 };
1770 
1771 /* Microphone SNR and Sensitivity extension */
1772 
1773 struct acpi_nhlt_mic_snr_sensitivity_extension {
1774 	u32 SNR;
1775 	u32 sensitivity;
1776 };
1777 
1778 /* Render device with feedback */
1779 
1780 struct acpi_nhlt_render_feedback_device_specific_config {
1781 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
1782 	u16 feedback_channels;	/* Informative only */
1783 	u16 feedback_valid_bits_per_sample;
1784 };
1785 
1786 /* Non documented structures */
1787 
1788 struct acpi_nhlt_device_info_count {
1789 	u8 structure_count;
1790 };
1791 
1792 struct acpi_nhlt_device_info {
1793 	u8 device_id[16];
1794 	u8 device_instance_id;
1795 	u8 device_port_id;
1796 };
1797 
1798 /*******************************************************************************
1799  *
1800  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1801  *        Version 2 (ACPI 6.2)
1802  *
1803  ******************************************************************************/
1804 
1805 struct acpi_table_pcct {
1806 	struct acpi_table_header header;	/* Common ACPI table header */
1807 	u32 flags;
1808 	u64 reserved;
1809 };
1810 
1811 /* Values for Flags field above */
1812 
1813 #define ACPI_PCCT_DOORBELL              1
1814 
1815 /* Values for subtable type in struct acpi_subtable_header */
1816 
1817 enum acpi_pcct_type {
1818 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1819 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1820 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1821 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1822 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1823 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1824 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1825 };
1826 
1827 /*
1828  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1829  */
1830 
1831 /* 0: Generic Communications Subspace */
1832 
1833 struct acpi_pcct_subspace {
1834 	struct acpi_subtable_header header;
1835 	u8 reserved[6];
1836 	u64 base_address;
1837 	u64 length;
1838 	struct acpi_generic_address doorbell_register;
1839 	u64 preserve_mask;
1840 	u64 write_mask;
1841 	u32 latency;
1842 	u32 max_access_rate;
1843 	u16 min_turnaround_time;
1844 };
1845 
1846 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1847 
1848 struct acpi_pcct_hw_reduced {
1849 	struct acpi_subtable_header header;
1850 	u32 platform_interrupt;
1851 	u8 flags;
1852 	u8 reserved;
1853 	u64 base_address;
1854 	u64 length;
1855 	struct acpi_generic_address doorbell_register;
1856 	u64 preserve_mask;
1857 	u64 write_mask;
1858 	u32 latency;
1859 	u32 max_access_rate;
1860 	u16 min_turnaround_time;
1861 };
1862 
1863 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1864 
1865 struct acpi_pcct_hw_reduced_type2 {
1866 	struct acpi_subtable_header header;
1867 	u32 platform_interrupt;
1868 	u8 flags;
1869 	u8 reserved;
1870 	u64 base_address;
1871 	u64 length;
1872 	struct acpi_generic_address doorbell_register;
1873 	u64 preserve_mask;
1874 	u64 write_mask;
1875 	u32 latency;
1876 	u32 max_access_rate;
1877 	u16 min_turnaround_time;
1878 	struct acpi_generic_address platform_ack_register;
1879 	u64 ack_preserve_mask;
1880 	u64 ack_write_mask;
1881 };
1882 
1883 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1884 
1885 struct acpi_pcct_ext_pcc_master {
1886 	struct acpi_subtable_header header;
1887 	u32 platform_interrupt;
1888 	u8 flags;
1889 	u8 reserved1;
1890 	u64 base_address;
1891 	u32 length;
1892 	struct acpi_generic_address doorbell_register;
1893 	u64 preserve_mask;
1894 	u64 write_mask;
1895 	u32 latency;
1896 	u32 max_access_rate;
1897 	u32 min_turnaround_time;
1898 	struct acpi_generic_address platform_ack_register;
1899 	u64 ack_preserve_mask;
1900 	u64 ack_set_mask;
1901 	u64 reserved2;
1902 	struct acpi_generic_address cmd_complete_register;
1903 	u64 cmd_complete_mask;
1904 	struct acpi_generic_address cmd_update_register;
1905 	u64 cmd_update_preserve_mask;
1906 	u64 cmd_update_set_mask;
1907 	struct acpi_generic_address error_status_register;
1908 	u64 error_status_mask;
1909 };
1910 
1911 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1912 
1913 struct acpi_pcct_ext_pcc_slave {
1914 	struct acpi_subtable_header header;
1915 	u32 platform_interrupt;
1916 	u8 flags;
1917 	u8 reserved1;
1918 	u64 base_address;
1919 	u32 length;
1920 	struct acpi_generic_address doorbell_register;
1921 	u64 preserve_mask;
1922 	u64 write_mask;
1923 	u32 latency;
1924 	u32 max_access_rate;
1925 	u32 min_turnaround_time;
1926 	struct acpi_generic_address platform_ack_register;
1927 	u64 ack_preserve_mask;
1928 	u64 ack_set_mask;
1929 	u64 reserved2;
1930 	struct acpi_generic_address cmd_complete_register;
1931 	u64 cmd_complete_mask;
1932 	struct acpi_generic_address cmd_update_register;
1933 	u64 cmd_update_preserve_mask;
1934 	u64 cmd_update_set_mask;
1935 	struct acpi_generic_address error_status_register;
1936 	u64 error_status_mask;
1937 };
1938 
1939 /* 5: HW Registers based Communications Subspace */
1940 
1941 struct acpi_pcct_hw_reg {
1942 	struct acpi_subtable_header header;
1943 	u16 version;
1944 	u64 base_address;
1945 	u64 length;
1946 	struct acpi_generic_address doorbell_register;
1947 	u64 doorbell_preserve;
1948 	u64 doorbell_write;
1949 	struct acpi_generic_address cmd_complete_register;
1950 	u64 cmd_complete_mask;
1951 	struct acpi_generic_address error_status_register;
1952 	u64 error_status_mask;
1953 	u32 nominal_latency;
1954 	u32 min_turnaround_time;
1955 };
1956 
1957 /* Values for doorbell flags above */
1958 
1959 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1960 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1961 
1962 /*
1963  * PCC memory structures (not part of the ACPI table)
1964  */
1965 
1966 /* Shared Memory Region */
1967 
1968 struct acpi_pcct_shared_memory {
1969 	u32 signature;
1970 	u16 command;
1971 	u16 status;
1972 };
1973 
1974 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1975 
1976 struct acpi_pcct_ext_pcc_shared_memory {
1977 	u32 signature;
1978 	u32 flags;
1979 	u32 length;
1980 	u32 command;
1981 };
1982 
1983 /*******************************************************************************
1984  *
1985  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1986  *        Version 0
1987  *
1988  ******************************************************************************/
1989 
1990 struct acpi_table_pdtt {
1991 	struct acpi_table_header header;	/* Common ACPI table header */
1992 	u8 trigger_count;
1993 	u8 reserved[3];
1994 	u32 array_offset;
1995 };
1996 
1997 /*
1998  * PDTT Communication Channel Identifier Structure.
1999  * The number of these structures is defined by trigger_count above,
2000  * starting at array_offset.
2001  */
2002 struct acpi_pdtt_channel {
2003 	u8 subchannel_id;
2004 	u8 flags;
2005 };
2006 
2007 /* Flags for above */
2008 
2009 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2010 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2011 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2012 
2013 /*******************************************************************************
2014  *
2015  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2016  *        Version 1
2017  *
2018  ******************************************************************************/
2019 
2020 struct acpi_table_phat {
2021 	struct acpi_table_header header;	/* Common ACPI table header */
2022 };
2023 
2024 /* Common header for PHAT subtables that follow main table */
2025 
2026 struct acpi_phat_header {
2027 	u16 type;
2028 	u16 length;
2029 	u8 revision;
2030 };
2031 
2032 /* Values for Type field above */
2033 
2034 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2035 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2036 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2037 
2038 /*
2039  * PHAT subtables, correspond to Type in struct acpi_phat_header
2040  */
2041 
2042 /* 0: Firmware Version Data Record */
2043 
2044 struct acpi_phat_version_data {
2045 	struct acpi_phat_header header;
2046 	u8 reserved[3];
2047 	u32 element_count;
2048 };
2049 
2050 struct acpi_phat_version_element {
2051 	u8 guid[16];
2052 	u64 version_value;
2053 	u32 producer_id;
2054 };
2055 
2056 /* 1: Firmware Health Data Record */
2057 
2058 struct acpi_phat_health_data {
2059 	struct acpi_phat_header header;
2060 	u8 reserved[2];
2061 	u8 health;
2062 	u8 device_guid[16];
2063 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2064 };
2065 
2066 /* Values for Health field above */
2067 
2068 #define ACPI_PHAT_ERRORS_FOUND          0
2069 #define ACPI_PHAT_NO_ERRORS             1
2070 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2071 #define ACPI_PHAT_ADVISORY              3
2072 
2073 /*******************************************************************************
2074  *
2075  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2076  *        Version 1
2077  *
2078  ******************************************************************************/
2079 
2080 struct acpi_table_pmtt {
2081 	struct acpi_table_header header;	/* Common ACPI table header */
2082 	u32 memory_device_count;
2083 	/*
2084 	 * Immediately followed by:
2085 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2086 	 */
2087 };
2088 
2089 /* Common header for PMTT subtables that follow main table */
2090 
2091 struct acpi_pmtt_header {
2092 	u8 type;
2093 	u8 reserved1;
2094 	u16 length;
2095 	u16 flags;
2096 	u16 reserved2;
2097 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2098 	/*
2099 	 * Immediately followed by:
2100 	 * u8 type_specific_data[]
2101 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2102 	 */
2103 };
2104 
2105 /* Values for Type field above */
2106 
2107 #define ACPI_PMTT_TYPE_SOCKET           0
2108 #define ACPI_PMTT_TYPE_CONTROLLER       1
2109 #define ACPI_PMTT_TYPE_DIMM             2
2110 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2111 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2112 
2113 /* Values for Flags field above */
2114 
2115 #define ACPI_PMTT_TOP_LEVEL             0x0001
2116 #define ACPI_PMTT_PHYSICAL              0x0002
2117 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2118 
2119 /*
2120  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2121  */
2122 
2123 /* 0: Socket Structure */
2124 
2125 struct acpi_pmtt_socket {
2126 	struct acpi_pmtt_header header;
2127 	u16 socket_id;
2128 	u16 reserved;
2129 };
2130 	/*
2131 	 * Immediately followed by:
2132 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2133 	 */
2134 
2135 /* 1: Memory Controller subtable */
2136 
2137 struct acpi_pmtt_controller {
2138 	struct acpi_pmtt_header header;
2139 	u16 controller_id;
2140 	u16 reserved;
2141 };
2142 	/*
2143 	 * Immediately followed by:
2144 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2145 	 */
2146 
2147 /* 2: Physical Component Identifier (DIMM) */
2148 
2149 struct acpi_pmtt_physical_component {
2150 	struct acpi_pmtt_header header;
2151 	u32 bios_handle;
2152 };
2153 
2154 /* 0xFF: Vendor Specific Data */
2155 
2156 struct acpi_pmtt_vendor_specific {
2157 	struct acpi_pmtt_header header;
2158 	u8 type_uuid[16];
2159 	u8 specific[];
2160 	/*
2161 	 * Immediately followed by:
2162 	 * u8 vendor_specific_data[];
2163 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2164 	 */
2165 };
2166 
2167 /*******************************************************************************
2168  *
2169  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2170  *        Version 1
2171  *
2172  ******************************************************************************/
2173 
2174 struct acpi_table_pptt {
2175 	struct acpi_table_header header;	/* Common ACPI table header */
2176 };
2177 
2178 /* Values for Type field above */
2179 
2180 enum acpi_pptt_type {
2181 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2182 	ACPI_PPTT_TYPE_CACHE = 1,
2183 	ACPI_PPTT_TYPE_ID = 2,
2184 	ACPI_PPTT_TYPE_RESERVED = 3
2185 };
2186 
2187 /* 0: Processor Hierarchy Node Structure */
2188 
2189 struct acpi_pptt_processor {
2190 	struct acpi_subtable_header header;
2191 	u16 reserved;
2192 	u32 flags;
2193 	u32 parent;
2194 	u32 acpi_processor_id;
2195 	u32 number_of_priv_resources;
2196 };
2197 
2198 /* Flags */
2199 
2200 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2201 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2202 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2203 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2204 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2205 
2206 /* 1: Cache Type Structure */
2207 
2208 struct acpi_pptt_cache {
2209 	struct acpi_subtable_header header;
2210 	u16 reserved;
2211 	u32 flags;
2212 	u32 next_level_of_cache;
2213 	u32 size;
2214 	u32 number_of_sets;
2215 	u8 associativity;
2216 	u8 attributes;
2217 	u16 line_size;
2218 };
2219 
2220 /* 1: Cache Type Structure for PPTT version 3 */
2221 
2222 struct acpi_pptt_cache_v1 {
2223 	u32 cache_id;
2224 };
2225 
2226 /* Flags */
2227 
2228 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2229 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2230 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2231 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2232 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2233 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2234 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2235 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2236 
2237 /* Masks for Attributes */
2238 
2239 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2240 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2241 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2242 
2243 /* Attributes describing cache */
2244 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2245 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2246 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2247 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2248 
2249 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2250 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2251 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2252 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2253 
2254 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2255 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2256 
2257 /* 2: ID Structure */
2258 
2259 struct acpi_pptt_id {
2260 	struct acpi_subtable_header header;
2261 	u16 reserved;
2262 	u32 vendor_id;
2263 	u64 level1_id;
2264 	u64 level2_id;
2265 	u16 major_rev;
2266 	u16 minor_rev;
2267 	u16 spin_rev;
2268 };
2269 
2270 /*******************************************************************************
2271  *
2272  * PRMT - Platform Runtime Mechanism Table
2273  *        Version 1
2274  *
2275  ******************************************************************************/
2276 
2277 struct acpi_table_prmt {
2278 	struct acpi_table_header header;	/* Common ACPI table header */
2279 };
2280 
2281 struct acpi_table_prmt_header {
2282 	u8 platform_guid[16];
2283 	u32 module_info_offset;
2284 	u32 module_info_count;
2285 };
2286 
2287 struct acpi_prmt_module_header {
2288 	u16 revision;
2289 	u16 length;
2290 };
2291 
2292 struct acpi_prmt_module_info {
2293 	u16 revision;
2294 	u16 length;
2295 	u8 module_guid[16];
2296 	u16 major_rev;
2297 	u16 minor_rev;
2298 	u16 handler_info_count;
2299 	u32 handler_info_offset;
2300 	u64 mmio_list_pointer;
2301 };
2302 
2303 struct acpi_prmt_handler_info {
2304 	u16 revision;
2305 	u16 length;
2306 	u8 handler_guid[16];
2307 	u64 handler_address;
2308 	u64 static_data_buffer_address;
2309 	u64 acpi_param_buffer_address;
2310 };
2311 
2312 /*******************************************************************************
2313  *
2314  * RASF - RAS Feature Table (ACPI 5.0)
2315  *        Version 1
2316  *
2317  ******************************************************************************/
2318 
2319 struct acpi_table_rasf {
2320 	struct acpi_table_header header;	/* Common ACPI table header */
2321 	u8 channel_id[12];
2322 };
2323 
2324 /* RASF Platform Communication Channel Shared Memory Region */
2325 
2326 struct acpi_rasf_shared_memory {
2327 	u32 signature;
2328 	u16 command;
2329 	u16 status;
2330 	u16 version;
2331 	u8 capabilities[16];
2332 	u8 set_capabilities[16];
2333 	u16 num_parameter_blocks;
2334 	u32 set_capabilities_status;
2335 };
2336 
2337 /* RASF Parameter Block Structure Header */
2338 
2339 struct acpi_rasf_parameter_block {
2340 	u16 type;
2341 	u16 version;
2342 	u16 length;
2343 };
2344 
2345 /* RASF Parameter Block Structure for PATROL_SCRUB */
2346 
2347 struct acpi_rasf_patrol_scrub_parameter {
2348 	struct acpi_rasf_parameter_block header;
2349 	u16 patrol_scrub_command;
2350 	u64 requested_address_range[2];
2351 	u64 actual_address_range[2];
2352 	u16 flags;
2353 	u8 requested_speed;
2354 };
2355 
2356 /* Masks for Flags and Speed fields above */
2357 
2358 #define ACPI_RASF_SCRUBBER_RUNNING      1
2359 #define ACPI_RASF_SPEED                 (7<<1)
2360 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2361 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2362 #define ACPI_RASF_SPEED_FAST            (7<<1)
2363 
2364 /* Channel Commands */
2365 
2366 enum acpi_rasf_commands {
2367 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2368 };
2369 
2370 /* Platform RAS Capabilities */
2371 
2372 enum acpi_rasf_capabiliities {
2373 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2374 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2375 };
2376 
2377 /* Patrol Scrub Commands */
2378 
2379 enum acpi_rasf_patrol_scrub_commands {
2380 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2381 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2382 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2383 };
2384 
2385 /* Channel Command flags */
2386 
2387 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2388 
2389 /* Status values */
2390 
2391 enum acpi_rasf_status {
2392 	ACPI_RASF_SUCCESS = 0,
2393 	ACPI_RASF_NOT_VALID = 1,
2394 	ACPI_RASF_NOT_SUPPORTED = 2,
2395 	ACPI_RASF_BUSY = 3,
2396 	ACPI_RASF_FAILED = 4,
2397 	ACPI_RASF_ABORTED = 5,
2398 	ACPI_RASF_INVALID_DATA = 6
2399 };
2400 
2401 /* Status flags */
2402 
2403 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2404 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2405 #define ACPI_RASF_ERROR                 (1<<2)
2406 #define ACPI_RASF_STATUS                (0x1F<<3)
2407 
2408 /*******************************************************************************
2409  *
2410  * RGRT - Regulatory Graphics Resource Table
2411  *        Version 1
2412  *
2413  * Conforms to "ACPI RGRT" available at:
2414  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2415  *
2416  ******************************************************************************/
2417 
2418 struct acpi_table_rgrt {
2419 	struct acpi_table_header header;	/* Common ACPI table header */
2420 	u16 version;
2421 	u8 image_type;
2422 	u8 reserved;
2423 	u8 image[];
2424 };
2425 
2426 /* image_type values */
2427 
2428 enum acpi_rgrt_image_type {
2429 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2430 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2431 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2432 };
2433 
2434 /*******************************************************************************
2435  *
2436  * SBST - Smart Battery Specification Table
2437  *        Version 1
2438  *
2439  ******************************************************************************/
2440 
2441 struct acpi_table_sbst {
2442 	struct acpi_table_header header;	/* Common ACPI table header */
2443 	u32 warning_level;
2444 	u32 low_level;
2445 	u32 critical_level;
2446 };
2447 
2448 /*******************************************************************************
2449  *
2450  * SDEI - Software Delegated Exception Interface Descriptor Table
2451  *
2452  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2453  * May 8th, 2017. Copyright 2017 ARM Ltd.
2454  *
2455  ******************************************************************************/
2456 
2457 struct acpi_table_sdei {
2458 	struct acpi_table_header header;	/* Common ACPI table header */
2459 };
2460 
2461 /*******************************************************************************
2462  *
2463  * SDEV - Secure Devices Table (ACPI 6.2)
2464  *        Version 1
2465  *
2466  ******************************************************************************/
2467 
2468 struct acpi_table_sdev {
2469 	struct acpi_table_header header;	/* Common ACPI table header */
2470 };
2471 
2472 struct acpi_sdev_header {
2473 	u8 type;
2474 	u8 flags;
2475 	u16 length;
2476 };
2477 
2478 /* Values for subtable type above */
2479 
2480 enum acpi_sdev_type {
2481 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2482 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2483 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2484 };
2485 
2486 /* Values for flags above */
2487 
2488 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2489 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2490 
2491 /*
2492  * SDEV subtables
2493  */
2494 
2495 /* 0: Namespace Device Based Secure Device Structure */
2496 
2497 struct acpi_sdev_namespace {
2498 	struct acpi_sdev_header header;
2499 	u16 device_id_offset;
2500 	u16 device_id_length;
2501 	u16 vendor_data_offset;
2502 	u16 vendor_data_length;
2503 };
2504 
2505 struct acpi_sdev_secure_component {
2506 	u16 secure_component_offset;
2507 	u16 secure_component_length;
2508 };
2509 
2510 /*
2511  * SDEV sub-subtables ("Components") for above
2512  */
2513 struct acpi_sdev_component {
2514 	struct acpi_sdev_header header;
2515 };
2516 
2517 /* Values for sub-subtable type above */
2518 
2519 enum acpi_sac_type {
2520 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2521 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2522 };
2523 
2524 struct acpi_sdev_id_component {
2525 	struct acpi_sdev_header header;
2526 	u16 hardware_id_offset;
2527 	u16 hardware_id_length;
2528 	u16 subsystem_id_offset;
2529 	u16 subsystem_id_length;
2530 	u16 hardware_revision;
2531 	u8 hardware_rev_present;
2532 	u8 class_code_present;
2533 	u8 pci_base_class;
2534 	u8 pci_sub_class;
2535 	u8 pci_programming_xface;
2536 };
2537 
2538 struct acpi_sdev_mem_component {
2539 	struct acpi_sdev_header header;
2540 	u32 reserved;
2541 	u64 memory_base_address;
2542 	u64 memory_length;
2543 };
2544 
2545 /* 1: PCIe Endpoint Device Based Device Structure */
2546 
2547 struct acpi_sdev_pcie {
2548 	struct acpi_sdev_header header;
2549 	u16 segment;
2550 	u16 start_bus;
2551 	u16 path_offset;
2552 	u16 path_length;
2553 	u16 vendor_data_offset;
2554 	u16 vendor_data_length;
2555 };
2556 
2557 /* 1a: PCIe Endpoint path entry */
2558 
2559 struct acpi_sdev_pcie_path {
2560 	u8 device;
2561 	u8 function;
2562 };
2563 
2564 /*******************************************************************************
2565  *
2566  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2567  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2568  *        Trust Domain Extensions (Intel TDX)".
2569  *        Version 1
2570  *
2571  ******************************************************************************/
2572 
2573 struct acpi_table_svkl {
2574 	struct acpi_table_header header;	/* Common ACPI table header */
2575 	u32 count;
2576 };
2577 
2578 struct acpi_svkl_key {
2579 	u16 type;
2580 	u16 format;
2581 	u32 size;
2582 	u64 address;
2583 };
2584 
2585 enum acpi_svkl_type {
2586 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2587 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2588 };
2589 
2590 enum acpi_svkl_format {
2591 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2592 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2593 };
2594 
2595 /*******************************************************************************
2596  *
2597  * TDEL - TD-Event Log
2598  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2599  *        Trust Domain Extensions (Intel TDX)".
2600  *        September 2020
2601  *
2602  ******************************************************************************/
2603 
2604 struct acpi_table_tdel {
2605 	struct acpi_table_header header;	/* Common ACPI table header */
2606 	u32 reserved;
2607 	u64 log_area_minimum_length;
2608 	u64 log_area_start_address;
2609 };
2610 
2611 /* Reset to default packing */
2612 
2613 #pragma pack()
2614 
2615 #endif				/* __ACTBL2_H__ */
2616