xref: /openbmc/linux/include/acpi/actbl2.h (revision 3ddc8b84)
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 - 2023, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACTBL2_H__
11 #define __ACTBL2_H__
12 
13 /*******************************************************************************
14  *
15  * Additional ACPI Tables (2)
16  *
17  * These tables are not consumed directly by the ACPICA subsystem, but are
18  * included here to support device drivers and the AML disassembler.
19  *
20  ******************************************************************************/
21 
22 /*
23  * Values for description table header signatures for tables defined in this
24  * file. Useful because they make it more difficult to inadvertently type in
25  * the wrong signature.
26  */
27 #define ACPI_SIG_AGDI           "AGDI"	/* Arm Generic Diagnostic Dump and Reset Device Interface */
28 #define ACPI_SIG_APMT           "APMT"	/* Arm Performance Monitoring Unit table */
29 #define ACPI_SIG_BDAT           "BDAT"	/* BIOS Data ACPI Table */
30 #define ACPI_SIG_CCEL           "CCEL"	/* CC Event Log Table */
31 #define ACPI_SIG_CDAT           "CDAT"	/* Coherent Device Attribute Table */
32 #define ACPI_SIG_IORT           "IORT"	/* IO Remapping Table */
33 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
34 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
35 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
36 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
37 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
38 #define ACPI_SIG_MPAM           "MPAM"	/* Memory System Resource Partitioning and Monitoring Table */
39 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
40 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
41 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
42 #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
43 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
44 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
45 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
46 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
47 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
48 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
49 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
50 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
51 #define ACPI_SIG_RHCT           "RHCT"	/* RISC-V Hart Capabilities Table */
52 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
53 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
54 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
55 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
56 #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
57 
58 /*
59  * All tables must be byte-packed to match the ACPI specification, since
60  * the tables are provided by the system BIOS.
61  */
62 #pragma pack(1)
63 
64 /*
65  * Note: C bitfields are not used for this reason:
66  *
67  * "Bitfields are great and easy to read, but unfortunately the C language
68  * does not specify the layout of bitfields in memory, which means they are
69  * essentially useless for dealing with packed data in on-disk formats or
70  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
71  * this decision was a design error in C. Ritchie could have picked an order
72  * and stuck with it." Norman Ramsey.
73  * See http://stackoverflow.com/a/1053662/41661
74  */
75 
76 /*******************************************************************************
77  *
78  * AEST - Arm Error Source Table
79  *
80  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
81  * September 2020.
82  *
83  ******************************************************************************/
84 
85 struct acpi_table_aest {
86 	struct acpi_table_header header;
87 };
88 
89 /* Common Subtable header - one per Node Structure (Subtable) */
90 
91 struct acpi_aest_hdr {
92 	u8 type;
93 	u16 length;
94 	u8 reserved;
95 	u32 node_specific_offset;
96 	u32 node_interface_offset;
97 	u32 node_interrupt_offset;
98 	u32 node_interrupt_count;
99 	u64 timestamp_rate;
100 	u64 reserved1;
101 	u64 error_injection_rate;
102 };
103 
104 /* Values for Type above */
105 
106 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
107 #define ACPI_AEST_MEMORY_ERROR_NODE         1
108 #define ACPI_AEST_SMMU_ERROR_NODE           2
109 #define ACPI_AEST_VENDOR_ERROR_NODE         3
110 #define ACPI_AEST_GIC_ERROR_NODE            4
111 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
112 
113 /*
114  * AEST subtables (Error nodes)
115  */
116 
117 /* 0: Processor Error */
118 
119 typedef struct acpi_aest_processor {
120 	u32 processor_id;
121 	u8 resource_type;
122 	u8 reserved;
123 	u8 flags;
124 	u8 revision;
125 	u64 processor_affinity;
126 
127 } acpi_aest_processor;
128 
129 /* Values for resource_type above, related structs below */
130 
131 #define ACPI_AEST_CACHE_RESOURCE            0
132 #define ACPI_AEST_TLB_RESOURCE              1
133 #define ACPI_AEST_GENERIC_RESOURCE          2
134 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
135 
136 /* 0R: Processor Cache Resource Substructure */
137 
138 typedef struct acpi_aest_processor_cache {
139 	u32 cache_reference;
140 	u32 reserved;
141 
142 } acpi_aest_processor_cache;
143 
144 /* Values for cache_type above */
145 
146 #define ACPI_AEST_CACHE_DATA                0
147 #define ACPI_AEST_CACHE_INSTRUCTION         1
148 #define ACPI_AEST_CACHE_UNIFIED             2
149 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
150 
151 /* 1R: Processor TLB Resource Substructure */
152 
153 typedef struct acpi_aest_processor_tlb {
154 	u32 tlb_level;
155 	u32 reserved;
156 
157 } acpi_aest_processor_tlb;
158 
159 /* 2R: Processor Generic Resource Substructure */
160 
161 typedef struct acpi_aest_processor_generic {
162 	u32 resource;
163 
164 } acpi_aest_processor_generic;
165 
166 /* 1: Memory Error */
167 
168 typedef struct acpi_aest_memory {
169 	u32 srat_proximity_domain;
170 
171 } acpi_aest_memory;
172 
173 /* 2: Smmu Error */
174 
175 typedef struct acpi_aest_smmu {
176 	u32 iort_node_reference;
177 	u32 subcomponent_reference;
178 
179 } acpi_aest_smmu;
180 
181 /* 3: Vendor Defined */
182 
183 typedef struct acpi_aest_vendor {
184 	u32 acpi_hid;
185 	u32 acpi_uid;
186 	u8 vendor_specific_data[16];
187 
188 } acpi_aest_vendor;
189 
190 /* 4: Gic Error */
191 
192 typedef struct acpi_aest_gic {
193 	u32 interface_type;
194 	u32 instance_id;
195 
196 } acpi_aest_gic;
197 
198 /* Values for interface_type above */
199 
200 #define ACPI_AEST_GIC_CPU                   0
201 #define ACPI_AEST_GIC_DISTRIBUTOR           1
202 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
203 #define ACPI_AEST_GIC_ITS                   3
204 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
205 
206 /* Node Interface Structure */
207 
208 typedef struct acpi_aest_node_interface {
209 	u8 type;
210 	u8 reserved[3];
211 	u32 flags;
212 	u64 address;
213 	u32 error_record_index;
214 	u32 error_record_count;
215 	u64 error_record_implemented;
216 	u64 error_status_reporting;
217 	u64 addressing_mode;
218 
219 } acpi_aest_node_interface;
220 
221 /* Values for Type field above */
222 
223 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
224 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
225 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
226 
227 /* Node Interrupt Structure */
228 
229 typedef struct acpi_aest_node_interrupt {
230 	u8 type;
231 	u8 reserved[2];
232 	u8 flags;
233 	u32 gsiv;
234 	u8 iort_id;
235 	u8 reserved1[3];
236 
237 } acpi_aest_node_interrupt;
238 
239 /* Values for Type field above */
240 
241 #define ACPI_AEST_NODE_FAULT_HANDLING       0
242 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
243 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
244 
245 /*******************************************************************************
246  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
247  *
248  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
249  * ARM DEN0093 v1.1
250  *
251  ******************************************************************************/
252 struct acpi_table_agdi {
253 	struct acpi_table_header header;	/* Common ACPI table header */
254 	u8 flags;
255 	u8 reserved[3];
256 	u32 sdei_event;
257 	u32 gsiv;
258 };
259 
260 /* Mask for Flags field above */
261 
262 #define ACPI_AGDI_SIGNALING_MODE (1)
263 
264 /*******************************************************************************
265  *
266  * APMT - ARM Performance Monitoring Unit Table
267  *
268  * Conforms to:
269  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
270  * ARM DEN0117 v1.0 November 25, 2021
271  *
272  ******************************************************************************/
273 
274 struct acpi_table_apmt {
275 	struct acpi_table_header header;	/* Common ACPI table header */
276 };
277 
278 #define ACPI_APMT_NODE_ID_LENGTH                4
279 
280 /*
281  * APMT subtables
282  */
283 struct acpi_apmt_node {
284 	u16 length;
285 	u8 flags;
286 	u8 type;
287 	u32 id;
288 	u64 inst_primary;
289 	u32 inst_secondary;
290 	u64 base_address0;
291 	u64 base_address1;
292 	u32 ovflw_irq;
293 	u32 reserved;
294 	u32 ovflw_irq_flags;
295 	u32 proc_affinity;
296 	u32 impl_id;
297 };
298 
299 /* Masks for Flags field above */
300 
301 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
302 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
303 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
304 
305 /* Values for Flags dual page field above */
306 
307 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
308 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
309 
310 /* Values for Flags processor affinity field above */
311 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
312 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
313 
314 /* Values for Flags 64-bit atomic field above */
315 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
316 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
317 
318 /* Values for Type field above */
319 
320 enum acpi_apmt_node_type {
321 	ACPI_APMT_NODE_TYPE_MC = 0x00,
322 	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
323 	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
324 	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
325 	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
326 	ACPI_APMT_NODE_TYPE_COUNT
327 };
328 
329 /* Masks for ovflw_irq_flags field above */
330 
331 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
332 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
333 
334 /* Values for ovflw_irq_flags mode field above */
335 
336 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
337 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
338 
339 /* Values for ovflw_irq_flags type field above */
340 
341 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
342 
343 /*******************************************************************************
344  *
345  * BDAT - BIOS Data ACPI Table
346  *
347  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
348  * Nov 2020
349  *
350  ******************************************************************************/
351 
352 struct acpi_table_bdat {
353 	struct acpi_table_header header;
354 	struct acpi_generic_address gas;
355 };
356 
357 /*******************************************************************************
358  *
359  * CCEL - CC-Event Log
360  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
361  *        Trust Domain Extensions (Intel TDX)". Feb 2022
362  *
363  ******************************************************************************/
364 
365 struct acpi_table_ccel {
366 	struct acpi_table_header header;	/* Common ACPI table header */
367 	u8 CCtype;
368 	u8 Ccsub_type;
369 	u16 reserved;
370 	u64 log_area_minimum_length;
371 	u64 log_area_start_address;
372 };
373 
374 /*******************************************************************************
375  *
376  * IORT - IO Remapping Table
377  *
378  * Conforms to "IO Remapping Table System Software on ARM Platforms",
379  * Document number: ARM DEN 0049E.e, Sep 2022
380  *
381  ******************************************************************************/
382 
383 struct acpi_table_iort {
384 	struct acpi_table_header header;
385 	u32 node_count;
386 	u32 node_offset;
387 	u32 reserved;
388 };
389 
390 /*
391  * IORT subtables
392  */
393 struct acpi_iort_node {
394 	u8 type;
395 	u16 length;
396 	u8 revision;
397 	u32 identifier;
398 	u32 mapping_count;
399 	u32 mapping_offset;
400 	char node_data[];
401 };
402 
403 /* Values for subtable Type above */
404 
405 enum acpi_iort_node_type {
406 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
407 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
408 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
409 	ACPI_IORT_NODE_SMMU = 0x03,
410 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
411 	ACPI_IORT_NODE_PMCG = 0x05,
412 	ACPI_IORT_NODE_RMR = 0x06,
413 };
414 
415 struct acpi_iort_id_mapping {
416 	u32 input_base;		/* Lowest value in input range */
417 	u32 id_count;		/* Number of IDs */
418 	u32 output_base;	/* Lowest value in output range */
419 	u32 output_reference;	/* A reference to the output node */
420 	u32 flags;
421 };
422 
423 /* Masks for Flags field above for IORT subtable */
424 
425 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
426 
427 struct acpi_iort_memory_access {
428 	u32 cache_coherency;
429 	u8 hints;
430 	u16 reserved;
431 	u8 memory_flags;
432 };
433 
434 /* Values for cache_coherency field above */
435 
436 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
437 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
438 
439 /* Masks for Hints field above */
440 
441 #define ACPI_IORT_HT_TRANSIENT          (1)
442 #define ACPI_IORT_HT_WRITE              (1<<1)
443 #define ACPI_IORT_HT_READ               (1<<2)
444 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
445 
446 /* Masks for memory_flags field above */
447 
448 #define ACPI_IORT_MF_COHERENCY          (1)
449 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
450 
451 /*
452  * IORT node specific subtables
453  */
454 struct acpi_iort_its_group {
455 	u32 its_count;
456 	u32 identifiers[];	/* GIC ITS identifier array */
457 };
458 
459 struct acpi_iort_named_component {
460 	u32 node_flags;
461 	u64 memory_properties;	/* Memory access properties */
462 	u8 memory_address_limit;	/* Memory address size limit */
463 	char device_name[];	/* Path of namespace object */
464 };
465 
466 /* Masks for Flags field above */
467 
468 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
469 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
470 
471 struct acpi_iort_root_complex {
472 	u64 memory_properties;	/* Memory access properties */
473 	u32 ats_attribute;
474 	u32 pci_segment_number;
475 	u8 memory_address_limit;	/* Memory address size limit */
476 	u16 pasid_capabilities;	/* PASID Capabilities */
477 	u8 reserved[];		/* Reserved, must be zero */
478 };
479 
480 /* Masks for ats_attribute field above */
481 
482 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
483 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
484 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
485 
486 /* Masks for pasid_capabilities field above */
487 #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)	/* Bits 0-4 */
488 
489 struct acpi_iort_smmu {
490 	u64 base_address;	/* SMMU base address */
491 	u64 span;		/* Length of memory range */
492 	u32 model;
493 	u32 flags;
494 	u32 global_interrupt_offset;
495 	u32 context_interrupt_count;
496 	u32 context_interrupt_offset;
497 	u32 pmu_interrupt_count;
498 	u32 pmu_interrupt_offset;
499 	u64 interrupts[];	/* Interrupt array */
500 };
501 
502 /* Values for Model field above */
503 
504 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
505 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
506 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
507 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
508 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
509 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
510 
511 /* Masks for Flags field above */
512 
513 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
514 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
515 
516 /* Global interrupt format */
517 
518 struct acpi_iort_smmu_gsi {
519 	u32 nsg_irpt;
520 	u32 nsg_irpt_flags;
521 	u32 nsg_cfg_irpt;
522 	u32 nsg_cfg_irpt_flags;
523 };
524 
525 struct acpi_iort_smmu_v3 {
526 	u64 base_address;	/* SMMUv3 base address */
527 	u32 flags;
528 	u32 reserved;
529 	u64 vatos_address;
530 	u32 model;
531 	u32 event_gsiv;
532 	u32 pri_gsiv;
533 	u32 gerr_gsiv;
534 	u32 sync_gsiv;
535 	u32 pxm;
536 	u32 id_mapping_index;
537 };
538 
539 /* Values for Model field above */
540 
541 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
542 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
543 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
544 
545 /* Masks for Flags field above */
546 
547 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
548 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
549 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
550 #define ACPI_IORT_SMMU_V3_DEVICEID_VALID    (1<<4)
551 
552 struct acpi_iort_pmcg {
553 	u64 page0_base_address;
554 	u32 overflow_gsiv;
555 	u32 node_reference;
556 	u64 page1_base_address;
557 };
558 
559 struct acpi_iort_rmr {
560 	u32 flags;
561 	u32 rmr_count;
562 	u32 rmr_offset;
563 };
564 
565 /* Masks for Flags field above */
566 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
567 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
568 
569 /*
570  * Macro to access the Access Attributes in flags field above:
571  *  Access Attributes is encoded in bits 9:2
572  */
573 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
574 
575 /* Values for above Access Attributes */
576 
577 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
578 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
579 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
580 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
581 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
582 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
583 
584 struct acpi_iort_rmr_desc {
585 	u64 base_address;
586 	u64 length;
587 	u32 reserved;
588 };
589 
590 /*******************************************************************************
591  *
592  * IVRS - I/O Virtualization Reporting Structure
593  *        Version 1
594  *
595  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
596  * Revision 1.26, February 2009.
597  *
598  ******************************************************************************/
599 
600 struct acpi_table_ivrs {
601 	struct acpi_table_header header;	/* Common ACPI table header */
602 	u32 info;		/* Common virtualization info */
603 	u64 reserved;
604 };
605 
606 /* Values for Info field above */
607 
608 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
609 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
610 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
611 
612 /* IVRS subtable header */
613 
614 struct acpi_ivrs_header {
615 	u8 type;		/* Subtable type */
616 	u8 flags;
617 	u16 length;		/* Subtable length */
618 	u16 device_id;		/* ID of IOMMU */
619 };
620 
621 /* Values for subtable Type above */
622 
623 enum acpi_ivrs_type {
624 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
625 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
626 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
627 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
628 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
629 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
630 };
631 
632 /* Masks for Flags field above for IVHD subtable */
633 
634 #define ACPI_IVHD_TT_ENABLE         (1)
635 #define ACPI_IVHD_PASS_PW           (1<<1)
636 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
637 #define ACPI_IVHD_ISOC              (1<<3)
638 #define ACPI_IVHD_IOTLB             (1<<4)
639 
640 /* Masks for Flags field above for IVMD subtable */
641 
642 #define ACPI_IVMD_UNITY             (1)
643 #define ACPI_IVMD_READ              (1<<1)
644 #define ACPI_IVMD_WRITE             (1<<2)
645 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
646 
647 /*
648  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
649  */
650 
651 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
652 
653 struct acpi_ivrs_hardware_10 {
654 	struct acpi_ivrs_header header;
655 	u16 capability_offset;	/* Offset for IOMMU control fields */
656 	u64 base_address;	/* IOMMU control registers */
657 	u16 pci_segment_group;
658 	u16 info;		/* MSI number and unit ID */
659 	u32 feature_reporting;
660 };
661 
662 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
663 
664 struct acpi_ivrs_hardware_11 {
665 	struct acpi_ivrs_header header;
666 	u16 capability_offset;	/* Offset for IOMMU control fields */
667 	u64 base_address;	/* IOMMU control registers */
668 	u16 pci_segment_group;
669 	u16 info;		/* MSI number and unit ID */
670 	u32 attributes;
671 	u64 efr_register_image;
672 	u64 reserved;
673 };
674 
675 /* Masks for Info field above */
676 
677 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
678 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
679 
680 /*
681  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
682  * Upper two bits of the Type field are the (encoded) length of the structure.
683  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
684  * are reserved for future use but not defined.
685  */
686 struct acpi_ivrs_de_header {
687 	u8 type;
688 	u16 id;
689 	u8 data_setting;
690 };
691 
692 /* Length of device entry is in the top two bits of Type field above */
693 
694 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
695 
696 /* Values for device entry Type field above */
697 
698 enum acpi_ivrs_device_entry_type {
699 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
700 
701 	ACPI_IVRS_TYPE_PAD4 = 0,
702 	ACPI_IVRS_TYPE_ALL = 1,
703 	ACPI_IVRS_TYPE_SELECT = 2,
704 	ACPI_IVRS_TYPE_START = 3,
705 	ACPI_IVRS_TYPE_END = 4,
706 
707 	/* 8-byte device entries */
708 
709 	ACPI_IVRS_TYPE_PAD8 = 64,
710 	ACPI_IVRS_TYPE_NOT_USED = 65,
711 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
712 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
713 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
714 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
715 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
716 
717 	/* Variable-length device entries */
718 
719 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
720 };
721 
722 /* Values for Data field above */
723 
724 #define ACPI_IVHD_INIT_PASS         (1)
725 #define ACPI_IVHD_EINT_PASS         (1<<1)
726 #define ACPI_IVHD_NMI_PASS          (1<<2)
727 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
728 #define ACPI_IVHD_LINT0_PASS        (1<<6)
729 #define ACPI_IVHD_LINT1_PASS        (1<<7)
730 
731 /* Types 0-4: 4-byte device entry */
732 
733 struct acpi_ivrs_device4 {
734 	struct acpi_ivrs_de_header header;
735 };
736 
737 /* Types 66-67: 8-byte device entry */
738 
739 struct acpi_ivrs_device8a {
740 	struct acpi_ivrs_de_header header;
741 	u8 reserved1;
742 	u16 used_id;
743 	u8 reserved2;
744 };
745 
746 /* Types 70-71: 8-byte device entry */
747 
748 struct acpi_ivrs_device8b {
749 	struct acpi_ivrs_de_header header;
750 	u32 extended_data;
751 };
752 
753 /* Values for extended_data above */
754 
755 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
756 
757 /* Type 72: 8-byte device entry */
758 
759 struct acpi_ivrs_device8c {
760 	struct acpi_ivrs_de_header header;
761 	u8 handle;
762 	u16 used_id;
763 	u8 variety;
764 };
765 
766 /* Values for Variety field above */
767 
768 #define ACPI_IVHD_IOAPIC            1
769 #define ACPI_IVHD_HPET              2
770 
771 /* Type 240: variable-length device entry */
772 
773 struct acpi_ivrs_device_hid {
774 	struct acpi_ivrs_de_header header;
775 	u64 acpi_hid;
776 	u64 acpi_cid;
777 	u8 uid_type;
778 	u8 uid_length;
779 };
780 
781 /* Values for uid_type above */
782 
783 #define ACPI_IVRS_UID_NOT_PRESENT   0
784 #define ACPI_IVRS_UID_IS_INTEGER    1
785 #define ACPI_IVRS_UID_IS_STRING     2
786 
787 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
788 
789 struct acpi_ivrs_memory {
790 	struct acpi_ivrs_header header;
791 	u16 aux_data;
792 	u64 reserved;
793 	u64 start_address;
794 	u64 memory_length;
795 };
796 
797 /*******************************************************************************
798  *
799  * LPIT - Low Power Idle Table
800  *
801  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
802  *
803  ******************************************************************************/
804 
805 struct acpi_table_lpit {
806 	struct acpi_table_header header;	/* Common ACPI table header */
807 };
808 
809 /* LPIT subtable header */
810 
811 struct acpi_lpit_header {
812 	u32 type;		/* Subtable type */
813 	u32 length;		/* Subtable length */
814 	u16 unique_id;
815 	u16 reserved;
816 	u32 flags;
817 };
818 
819 /* Values for subtable Type above */
820 
821 enum acpi_lpit_type {
822 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
823 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
824 };
825 
826 /* Masks for Flags field above  */
827 
828 #define ACPI_LPIT_STATE_DISABLED    (1)
829 #define ACPI_LPIT_NO_COUNTER        (1<<1)
830 
831 /*
832  * LPIT subtables, correspond to Type in struct acpi_lpit_header
833  */
834 
835 /* 0x00: Native C-state instruction based LPI structure */
836 
837 struct acpi_lpit_native {
838 	struct acpi_lpit_header header;
839 	struct acpi_generic_address entry_trigger;
840 	u32 residency;
841 	u32 latency;
842 	struct acpi_generic_address residency_counter;
843 	u64 counter_frequency;
844 };
845 
846 /*******************************************************************************
847  *
848  * MADT - Multiple APIC Description Table
849  *        Version 3
850  *
851  ******************************************************************************/
852 
853 struct acpi_table_madt {
854 	struct acpi_table_header header;	/* Common ACPI table header */
855 	u32 address;		/* Physical address of local APIC */
856 	u32 flags;
857 };
858 
859 /* Masks for Flags field above */
860 
861 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
862 
863 /* Values for PCATCompat flag */
864 
865 #define ACPI_MADT_DUAL_PIC          1
866 #define ACPI_MADT_MULTIPLE_APIC     0
867 
868 /* Values for MADT subtable type in struct acpi_subtable_header */
869 
870 enum acpi_madt_type {
871 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
872 	ACPI_MADT_TYPE_IO_APIC = 1,
873 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
874 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
875 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
876 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
877 	ACPI_MADT_TYPE_IO_SAPIC = 6,
878 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
879 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
880 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
881 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
882 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
883 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
884 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
885 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
886 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
887 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
888 	ACPI_MADT_TYPE_CORE_PIC = 17,
889 	ACPI_MADT_TYPE_LIO_PIC = 18,
890 	ACPI_MADT_TYPE_HT_PIC = 19,
891 	ACPI_MADT_TYPE_EIO_PIC = 20,
892 	ACPI_MADT_TYPE_MSI_PIC = 21,
893 	ACPI_MADT_TYPE_BIO_PIC = 22,
894 	ACPI_MADT_TYPE_LPC_PIC = 23,
895 	ACPI_MADT_TYPE_RINTC = 24,
896 	ACPI_MADT_TYPE_IMSIC = 25,
897 	ACPI_MADT_TYPE_APLIC = 26,
898 	ACPI_MADT_TYPE_PLIC = 27,
899 	ACPI_MADT_TYPE_RESERVED = 28,	/* 28 to 0x7F are reserved */
900 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
901 };
902 
903 /*
904  * MADT Subtables, correspond to Type in struct acpi_subtable_header
905  */
906 
907 /* 0: Processor Local APIC */
908 
909 struct acpi_madt_local_apic {
910 	struct acpi_subtable_header header;
911 	u8 processor_id;	/* ACPI processor id */
912 	u8 id;			/* Processor's local APIC id */
913 	u32 lapic_flags;
914 };
915 
916 /* 1: IO APIC */
917 
918 struct acpi_madt_io_apic {
919 	struct acpi_subtable_header header;
920 	u8 id;			/* I/O APIC ID */
921 	u8 reserved;		/* reserved - must be zero */
922 	u32 address;		/* APIC physical address */
923 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
924 };
925 
926 /* 2: Interrupt Override */
927 
928 struct acpi_madt_interrupt_override {
929 	struct acpi_subtable_header header;
930 	u8 bus;			/* 0 - ISA */
931 	u8 source_irq;		/* Interrupt source (IRQ) */
932 	u32 global_irq;		/* Global system interrupt */
933 	u16 inti_flags;
934 };
935 
936 /* 3: NMI Source */
937 
938 struct acpi_madt_nmi_source {
939 	struct acpi_subtable_header header;
940 	u16 inti_flags;
941 	u32 global_irq;		/* Global system interrupt */
942 };
943 
944 /* 4: Local APIC NMI */
945 
946 struct acpi_madt_local_apic_nmi {
947 	struct acpi_subtable_header header;
948 	u8 processor_id;	/* ACPI processor id */
949 	u16 inti_flags;
950 	u8 lint;		/* LINTn to which NMI is connected */
951 };
952 
953 /* 5: Address Override */
954 
955 struct acpi_madt_local_apic_override {
956 	struct acpi_subtable_header header;
957 	u16 reserved;		/* Reserved, must be zero */
958 	u64 address;		/* APIC physical address */
959 };
960 
961 /* 6: I/O Sapic */
962 
963 struct acpi_madt_io_sapic {
964 	struct acpi_subtable_header header;
965 	u8 id;			/* I/O SAPIC ID */
966 	u8 reserved;		/* Reserved, must be zero */
967 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
968 	u64 address;		/* SAPIC physical address */
969 };
970 
971 /* 7: Local Sapic */
972 
973 struct acpi_madt_local_sapic {
974 	struct acpi_subtable_header header;
975 	u8 processor_id;	/* ACPI processor id */
976 	u8 id;			/* SAPIC ID */
977 	u8 eid;			/* SAPIC EID */
978 	u8 reserved[3];		/* Reserved, must be zero */
979 	u32 lapic_flags;
980 	u32 uid;		/* Numeric UID - ACPI 3.0 */
981 	char uid_string[];	/* String UID  - ACPI 3.0 */
982 };
983 
984 /* 8: Platform Interrupt Source */
985 
986 struct acpi_madt_interrupt_source {
987 	struct acpi_subtable_header header;
988 	u16 inti_flags;
989 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
990 	u8 id;			/* Processor ID */
991 	u8 eid;			/* Processor EID */
992 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
993 	u32 global_irq;		/* Global system interrupt */
994 	u32 flags;		/* Interrupt Source Flags */
995 };
996 
997 /* Masks for Flags field above */
998 
999 #define ACPI_MADT_CPEI_OVERRIDE     (1)
1000 
1001 /* 9: Processor Local X2APIC (ACPI 4.0) */
1002 
1003 struct acpi_madt_local_x2apic {
1004 	struct acpi_subtable_header header;
1005 	u16 reserved;		/* reserved - must be zero */
1006 	u32 local_apic_id;	/* Processor x2APIC ID  */
1007 	u32 lapic_flags;
1008 	u32 uid;		/* ACPI processor UID */
1009 };
1010 
1011 /* 10: Local X2APIC NMI (ACPI 4.0) */
1012 
1013 struct acpi_madt_local_x2apic_nmi {
1014 	struct acpi_subtable_header header;
1015 	u16 inti_flags;
1016 	u32 uid;		/* ACPI processor UID */
1017 	u8 lint;		/* LINTn to which NMI is connected */
1018 	u8 reserved[3];		/* reserved - must be zero */
1019 };
1020 
1021 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */
1022 
1023 struct acpi_madt_generic_interrupt {
1024 	struct acpi_subtable_header header;
1025 	u16 reserved;		/* reserved - must be zero */
1026 	u32 cpu_interface_number;
1027 	u32 uid;
1028 	u32 flags;
1029 	u32 parking_version;
1030 	u32 performance_interrupt;
1031 	u64 parked_address;
1032 	u64 base_address;
1033 	u64 gicv_base_address;
1034 	u64 gich_base_address;
1035 	u32 vgic_interrupt;
1036 	u64 gicr_base_address;
1037 	u64 arm_mpidr;
1038 	u8 efficiency_class;
1039 	u8 reserved2[1];
1040 	u16 spe_interrupt;	/* ACPI 6.3 */
1041 	u16 trbe_interrupt;	/* ACPI 6.5 */
1042 };
1043 
1044 /* Masks for Flags field above */
1045 
1046 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1047 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1048 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1049 
1050 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1051 
1052 struct acpi_madt_generic_distributor {
1053 	struct acpi_subtable_header header;
1054 	u16 reserved;		/* reserved - must be zero */
1055 	u32 gic_id;
1056 	u64 base_address;
1057 	u32 global_irq_base;
1058 	u8 version;
1059 	u8 reserved2[3];	/* reserved - must be zero */
1060 };
1061 
1062 /* Values for Version field above */
1063 
1064 enum acpi_madt_gic_version {
1065 	ACPI_MADT_GIC_VERSION_NONE = 0,
1066 	ACPI_MADT_GIC_VERSION_V1 = 1,
1067 	ACPI_MADT_GIC_VERSION_V2 = 2,
1068 	ACPI_MADT_GIC_VERSION_V3 = 3,
1069 	ACPI_MADT_GIC_VERSION_V4 = 4,
1070 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1071 };
1072 
1073 /* 13: Generic MSI Frame (ACPI 5.1) */
1074 
1075 struct acpi_madt_generic_msi_frame {
1076 	struct acpi_subtable_header header;
1077 	u16 reserved;		/* reserved - must be zero */
1078 	u32 msi_frame_id;
1079 	u64 base_address;
1080 	u32 flags;
1081 	u16 spi_count;
1082 	u16 spi_base;
1083 };
1084 
1085 /* Masks for Flags field above */
1086 
1087 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1088 
1089 /* 14: Generic Redistributor (ACPI 5.1) */
1090 
1091 struct acpi_madt_generic_redistributor {
1092 	struct acpi_subtable_header header;
1093 	u16 reserved;		/* reserved - must be zero */
1094 	u64 base_address;
1095 	u32 length;
1096 };
1097 
1098 /* 15: Generic Translator (ACPI 6.0) */
1099 
1100 struct acpi_madt_generic_translator {
1101 	struct acpi_subtable_header header;
1102 	u16 reserved;		/* reserved - must be zero */
1103 	u32 translation_id;
1104 	u64 base_address;
1105 	u32 reserved2;
1106 };
1107 
1108 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1109 
1110 struct acpi_madt_multiproc_wakeup {
1111 	struct acpi_subtable_header header;
1112 	u16 mailbox_version;
1113 	u32 reserved;		/* reserved - must be zero */
1114 	u64 base_address;
1115 };
1116 
1117 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1118 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1119 
1120 struct acpi_madt_multiproc_wakeup_mailbox {
1121 	u16 command;
1122 	u16 reserved;		/* reserved - must be zero */
1123 	u32 apic_id;
1124 	u64 wakeup_vector;
1125 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1126 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1127 };
1128 
1129 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1130 
1131 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1132 
1133 struct acpi_madt_core_pic {
1134 	struct acpi_subtable_header header;
1135 	u8 version;
1136 	u32 processor_id;
1137 	u32 core_id;
1138 	u32 flags;
1139 };
1140 
1141 /* Values for Version field above */
1142 
1143 enum acpi_madt_core_pic_version {
1144 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1145 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1146 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1147 };
1148 
1149 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1150 
1151 struct acpi_madt_lio_pic {
1152 	struct acpi_subtable_header header;
1153 	u8 version;
1154 	u64 address;
1155 	u16 size;
1156 	u8 cascade[2];
1157 	u32 cascade_map[2];
1158 };
1159 
1160 /* Values for Version field above */
1161 
1162 enum acpi_madt_lio_pic_version {
1163 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1164 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1165 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1166 };
1167 
1168 /* 19: HT Interrupt Controller (ACPI 6.5) */
1169 
1170 struct acpi_madt_ht_pic {
1171 	struct acpi_subtable_header header;
1172 	u8 version;
1173 	u64 address;
1174 	u16 size;
1175 	u8 cascade[8];
1176 };
1177 
1178 /* Values for Version field above */
1179 
1180 enum acpi_madt_ht_pic_version {
1181 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1182 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1183 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1184 };
1185 
1186 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1187 
1188 struct acpi_madt_eio_pic {
1189 	struct acpi_subtable_header header;
1190 	u8 version;
1191 	u8 cascade;
1192 	u8 node;
1193 	u64 node_map;
1194 };
1195 
1196 /* Values for Version field above */
1197 
1198 enum acpi_madt_eio_pic_version {
1199 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1200 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1201 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1202 };
1203 
1204 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1205 
1206 struct acpi_madt_msi_pic {
1207 	struct acpi_subtable_header header;
1208 	u8 version;
1209 	u64 msg_address;
1210 	u32 start;
1211 	u32 count;
1212 };
1213 
1214 /* Values for Version field above */
1215 
1216 enum acpi_madt_msi_pic_version {
1217 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1218 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1219 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1220 };
1221 
1222 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1223 
1224 struct acpi_madt_bio_pic {
1225 	struct acpi_subtable_header header;
1226 	u8 version;
1227 	u64 address;
1228 	u16 size;
1229 	u16 id;
1230 	u16 gsi_base;
1231 };
1232 
1233 /* Values for Version field above */
1234 
1235 enum acpi_madt_bio_pic_version {
1236 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1237 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1238 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1239 };
1240 
1241 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1242 
1243 struct acpi_madt_lpc_pic {
1244 	struct acpi_subtable_header header;
1245 	u8 version;
1246 	u64 address;
1247 	u16 size;
1248 	u8 cascade;
1249 };
1250 
1251 /* Values for Version field above */
1252 
1253 enum acpi_madt_lpc_pic_version {
1254 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1255 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1256 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1257 };
1258 
1259 /* 24: RISC-V INTC */
1260 struct acpi_madt_rintc {
1261 	struct acpi_subtable_header header;
1262 	u8 version;
1263 	u8 reserved;
1264 	u32 flags;
1265 	u64 hart_id;
1266 	u32 uid;		/* ACPI processor UID */
1267 	u32 ext_intc_id;	/* External INTC Id */
1268 	u64 imsic_addr;		/* IMSIC base address */
1269 	u32 imsic_size;		/* IMSIC size */
1270 };
1271 
1272 /* Values for RISC-V INTC Version field above */
1273 
1274 enum acpi_madt_rintc_version {
1275 	ACPI_MADT_RINTC_VERSION_NONE = 0,
1276 	ACPI_MADT_RINTC_VERSION_V1 = 1,
1277 	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1278 };
1279 
1280 /* 25: RISC-V IMSIC */
1281 struct acpi_madt_imsic {
1282 	struct acpi_subtable_header header;
1283 	u8 version;
1284 	u8 reserved;
1285 	u32 flags;
1286 	u16 num_ids;
1287 	u16 num_guest_ids;
1288 	u8 guest_index_bits;
1289 	u8 hart_index_bits;
1290 	u8 group_index_bits;
1291 	u8 group_index_shift;
1292 };
1293 
1294 /* 26: RISC-V APLIC */
1295 struct acpi_madt_aplic {
1296 	struct acpi_subtable_header header;
1297 	u8 version;
1298 	u8 id;
1299 	u32 flags;
1300 	u8 hw_id[8];
1301 	u16 num_idcs;
1302 	u16 num_sources;
1303 	u32 gsi_base;
1304 	u64 base_addr;
1305 	u32 size;
1306 };
1307 
1308 /* 27: RISC-V PLIC */
1309 struct acpi_madt_plic {
1310 	struct acpi_subtable_header header;
1311 	u8 version;
1312 	u8 id;
1313 	u8 hw_id[8];
1314 	u16 num_irqs;
1315 	u16 max_prio;
1316 	u32 flags;
1317 	u32 size;
1318 	u64 base_addr;
1319 	u32 gsi_base;
1320 };
1321 
1322 /* 80: OEM data */
1323 
1324 struct acpi_madt_oem_data {
1325 	ACPI_FLEX_ARRAY(u8, oem_data);
1326 };
1327 
1328 /*
1329  * Common flags fields for MADT subtables
1330  */
1331 
1332 /* MADT Local APIC flags */
1333 
1334 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1335 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1336 
1337 /* MADT MPS INTI flags (inti_flags) */
1338 
1339 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1340 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1341 
1342 /* Values for MPS INTI flags */
1343 
1344 #define ACPI_MADT_POLARITY_CONFORMS       0
1345 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1346 #define ACPI_MADT_POLARITY_RESERVED       2
1347 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1348 
1349 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1350 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1351 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1352 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1353 
1354 /*******************************************************************************
1355  *
1356  * MCFG - PCI Memory Mapped Configuration table and subtable
1357  *        Version 1
1358  *
1359  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1360  *
1361  ******************************************************************************/
1362 
1363 struct acpi_table_mcfg {
1364 	struct acpi_table_header header;	/* Common ACPI table header */
1365 	u8 reserved[8];
1366 };
1367 
1368 /* Subtable */
1369 
1370 struct acpi_mcfg_allocation {
1371 	u64 address;		/* Base address, processor-relative */
1372 	u16 pci_segment;	/* PCI segment group number */
1373 	u8 start_bus_number;	/* Starting PCI Bus number */
1374 	u8 end_bus_number;	/* Final PCI Bus number */
1375 	u32 reserved;
1376 };
1377 
1378 /*******************************************************************************
1379  *
1380  * MCHI - Management Controller Host Interface Table
1381  *        Version 1
1382  *
1383  * Conforms to "Management Component Transport Protocol (MCTP) Host
1384  * Interface Specification", Revision 1.0.0a, October 13, 2009
1385  *
1386  ******************************************************************************/
1387 
1388 struct acpi_table_mchi {
1389 	struct acpi_table_header header;	/* Common ACPI table header */
1390 	u8 interface_type;
1391 	u8 protocol;
1392 	u64 protocol_data;
1393 	u8 interrupt_type;
1394 	u8 gpe;
1395 	u8 pci_device_flag;
1396 	u32 global_interrupt;
1397 	struct acpi_generic_address control_register;
1398 	u8 pci_segment;
1399 	u8 pci_bus;
1400 	u8 pci_device;
1401 	u8 pci_function;
1402 };
1403 
1404 /*******************************************************************************
1405  *
1406  * MPAM - Memory System Resource Partitioning and Monitoring
1407  *
1408  * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1409  * Document number: ARM DEN 0065, December, 2022.
1410  *
1411  ******************************************************************************/
1412 
1413 /* MPAM RIS locator types. Table 11, Location types */
1414 enum acpi_mpam_locator_type {
1415 	ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1416 	ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1417 	ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1418 	ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1419 	ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1420 	ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1421 	ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1422 };
1423 
1424 /* MPAM Functional dependency descriptor. Table 10 */
1425 struct acpi_mpam_func_deps {
1426 	u32 producer;
1427 	u32 reserved;
1428 };
1429 
1430 /* MPAM Processor cache locator descriptor. Table 13 */
1431 struct acpi_mpam_resource_cache_locator {
1432 	u64 cache_reference;
1433 	u32 reserved;
1434 };
1435 
1436 /* MPAM Memory locator descriptor. Table 14 */
1437 struct acpi_mpam_resource_memory_locator {
1438 	u64 proximity_domain;
1439 	u32 reserved;
1440 };
1441 
1442 /* MPAM SMMU locator descriptor. Table 15 */
1443 struct acpi_mpam_resource_smmu_locator {
1444 	u64 smmu_interface;
1445 	u32 reserved;
1446 };
1447 
1448 /* MPAM Memory-side cache locator descriptor. Table 16 */
1449 struct acpi_mpam_resource_memcache_locator {
1450 	u8 reserved[7];
1451 	u8 level;
1452 	u32 reference;
1453 };
1454 
1455 /* MPAM ACPI device locator descriptor. Table 17 */
1456 struct acpi_mpam_resource_acpi_locator {
1457 	u64 acpi_hw_id;
1458 	u32 acpi_unique_id;
1459 };
1460 
1461 /* MPAM Interconnect locator descriptor. Table 18 */
1462 struct acpi_mpam_resource_interconnect_locator {
1463 	u64 inter_connect_desc_tbl_off;
1464 	u32 reserved;
1465 };
1466 
1467 /* MPAM Locator structure. Table 12 */
1468 struct acpi_mpam_resource_generic_locator {
1469 	u64 descriptor1;
1470 	u32 descriptor2;
1471 };
1472 
1473 union acpi_mpam_resource_locator {
1474 	struct acpi_mpam_resource_cache_locator cache_locator;
1475 	struct acpi_mpam_resource_memory_locator memory_locator;
1476 	struct acpi_mpam_resource_smmu_locator smmu_locator;
1477 	struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1478 	struct acpi_mpam_resource_acpi_locator acpi_locator;
1479 	struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1480 	struct acpi_mpam_resource_generic_locator generic_locator;
1481 };
1482 
1483 /* Memory System Component Resource Node Structure Table 9 */
1484 struct acpi_mpam_resource_node {
1485 	u32 identifier;
1486 	u8 ris_index;
1487 	u16 reserved1;
1488 	u8 locator_type;
1489 	union acpi_mpam_resource_locator locator;
1490 	u32 num_functional_deps;
1491 };
1492 
1493 /* Memory System Component (MSC) Node Structure. Table 4 */
1494 struct acpi_mpam_msc_node {
1495 	u16 length;
1496 	u8 interface_type;
1497 	u8 reserved;
1498 	u32 identifier;
1499 	u64 base_address;
1500 	u32 mmio_size;
1501 	u32 overflow_interrupt;
1502 	u32 overflow_interrupt_flags;
1503 	u32 reserved1;
1504 	u32 overflow_interrupt_affinity;
1505 	u32 error_interrupt;
1506 	u32 error_interrupt_flags;
1507 	u32 reserved2;
1508 	u32 error_interrupt_affinity;
1509 	u32 max_nrdy_usec;
1510 	u64 hardware_id_linked_device;
1511 	u32 instance_id_linked_device;
1512 	u32 num_resouce_nodes;
1513 };
1514 
1515 struct acpi_table_mpam {
1516 	struct acpi_table_header header;	/* Common ACPI table header */
1517 };
1518 
1519 /*******************************************************************************
1520  *
1521  * MPST - Memory Power State Table (ACPI 5.0)
1522  *        Version 1
1523  *
1524  ******************************************************************************/
1525 
1526 #define ACPI_MPST_CHANNEL_INFO \
1527 	u8                              channel_id; \
1528 	u8                              reserved1[3]; \
1529 	u16                             power_node_count; \
1530 	u16                             reserved2;
1531 
1532 /* Main table */
1533 
1534 struct acpi_table_mpst {
1535 	struct acpi_table_header header;	/* Common ACPI table header */
1536 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1537 };
1538 
1539 /* Memory Platform Communication Channel Info */
1540 
1541 struct acpi_mpst_channel {
1542 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1543 };
1544 
1545 /* Memory Power Node Structure */
1546 
1547 struct acpi_mpst_power_node {
1548 	u8 flags;
1549 	u8 reserved1;
1550 	u16 node_id;
1551 	u32 length;
1552 	u64 range_address;
1553 	u64 range_length;
1554 	u32 num_power_states;
1555 	u32 num_physical_components;
1556 };
1557 
1558 /* Values for Flags field above */
1559 
1560 #define ACPI_MPST_ENABLED               1
1561 #define ACPI_MPST_POWER_MANAGED         2
1562 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1563 
1564 /* Memory Power State Structure (follows POWER_NODE above) */
1565 
1566 struct acpi_mpst_power_state {
1567 	u8 power_state;
1568 	u8 info_index;
1569 };
1570 
1571 /* Physical Component ID Structure (follows POWER_STATE above) */
1572 
1573 struct acpi_mpst_component {
1574 	u16 component_id;
1575 };
1576 
1577 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1578 
1579 struct acpi_mpst_data_hdr {
1580 	u16 characteristics_count;
1581 	u16 reserved;
1582 };
1583 
1584 struct acpi_mpst_power_data {
1585 	u8 structure_id;
1586 	u8 flags;
1587 	u16 reserved1;
1588 	u32 average_power;
1589 	u32 power_saving;
1590 	u64 exit_latency;
1591 	u64 reserved2;
1592 };
1593 
1594 /* Values for Flags field above */
1595 
1596 #define ACPI_MPST_PRESERVE              1
1597 #define ACPI_MPST_AUTOENTRY             2
1598 #define ACPI_MPST_AUTOEXIT              4
1599 
1600 /* Shared Memory Region (not part of an ACPI table) */
1601 
1602 struct acpi_mpst_shared {
1603 	u32 signature;
1604 	u16 pcc_command;
1605 	u16 pcc_status;
1606 	u32 command_register;
1607 	u32 status_register;
1608 	u32 power_state_id;
1609 	u32 power_node_id;
1610 	u64 energy_consumed;
1611 	u64 average_power;
1612 };
1613 
1614 /*******************************************************************************
1615  *
1616  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1617  *        Version 1
1618  *
1619  ******************************************************************************/
1620 
1621 struct acpi_table_msct {
1622 	struct acpi_table_header header;	/* Common ACPI table header */
1623 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1624 	u32 max_proximity_domains;	/* Max number of proximity domains */
1625 	u32 max_clock_domains;	/* Max number of clock domains */
1626 	u64 max_address;	/* Max physical address in system */
1627 };
1628 
1629 /* subtable - Maximum Proximity Domain Information. Version 1 */
1630 
1631 struct acpi_msct_proximity {
1632 	u8 revision;
1633 	u8 length;
1634 	u32 range_start;	/* Start of domain range */
1635 	u32 range_end;		/* End of domain range */
1636 	u32 processor_capacity;
1637 	u64 memory_capacity;	/* In bytes */
1638 };
1639 
1640 /*******************************************************************************
1641  *
1642  * MSDM - Microsoft Data Management table
1643  *
1644  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1645  * November 29, 2011. Copyright 2011 Microsoft
1646  *
1647  ******************************************************************************/
1648 
1649 /* Basic MSDM table is only the common ACPI header */
1650 
1651 struct acpi_table_msdm {
1652 	struct acpi_table_header header;	/* Common ACPI table header */
1653 };
1654 
1655 /*******************************************************************************
1656  *
1657  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1658  *        Version 1
1659  *
1660  ******************************************************************************/
1661 
1662 struct acpi_table_nfit {
1663 	struct acpi_table_header header;	/* Common ACPI table header */
1664 	u32 reserved;		/* Reserved, must be zero */
1665 };
1666 
1667 /* Subtable header for NFIT */
1668 
1669 struct acpi_nfit_header {
1670 	u16 type;
1671 	u16 length;
1672 };
1673 
1674 /* Values for subtable type in struct acpi_nfit_header */
1675 
1676 enum acpi_nfit_type {
1677 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1678 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1679 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1680 	ACPI_NFIT_TYPE_SMBIOS = 3,
1681 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1682 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1683 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1684 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1685 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1686 };
1687 
1688 /*
1689  * NFIT Subtables
1690  */
1691 
1692 /* 0: System Physical Address Range Structure */
1693 
1694 struct acpi_nfit_system_address {
1695 	struct acpi_nfit_header header;
1696 	u16 range_index;
1697 	u16 flags;
1698 	u32 reserved;		/* Reserved, must be zero */
1699 	u32 proximity_domain;
1700 	u8 range_guid[16];
1701 	u64 address;
1702 	u64 length;
1703 	u64 memory_mapping;
1704 	u64 location_cookie;	/* ACPI 6.4 */
1705 };
1706 
1707 /* Flags */
1708 
1709 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1710 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1711 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1712 
1713 /* Range Type GUIDs appear in the include/acuuid.h file */
1714 
1715 /* 1: Memory Device to System Address Range Map Structure */
1716 
1717 struct acpi_nfit_memory_map {
1718 	struct acpi_nfit_header header;
1719 	u32 device_handle;
1720 	u16 physical_id;
1721 	u16 region_id;
1722 	u16 range_index;
1723 	u16 region_index;
1724 	u64 region_size;
1725 	u64 region_offset;
1726 	u64 address;
1727 	u16 interleave_index;
1728 	u16 interleave_ways;
1729 	u16 flags;
1730 	u16 reserved;		/* Reserved, must be zero */
1731 };
1732 
1733 /* Flags */
1734 
1735 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1736 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1737 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1738 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1739 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1740 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1741 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1742 
1743 /* 2: Interleave Structure */
1744 
1745 struct acpi_nfit_interleave {
1746 	struct acpi_nfit_header header;
1747 	u16 interleave_index;
1748 	u16 reserved;		/* Reserved, must be zero */
1749 	u32 line_count;
1750 	u32 line_size;
1751 	u32 line_offset[];	/* Variable length */
1752 };
1753 
1754 /* 3: SMBIOS Management Information Structure */
1755 
1756 struct acpi_nfit_smbios {
1757 	struct acpi_nfit_header header;
1758 	u32 reserved;		/* Reserved, must be zero */
1759 	u8 data[];		/* Variable length */
1760 };
1761 
1762 /* 4: NVDIMM Control Region Structure */
1763 
1764 struct acpi_nfit_control_region {
1765 	struct acpi_nfit_header header;
1766 	u16 region_index;
1767 	u16 vendor_id;
1768 	u16 device_id;
1769 	u16 revision_id;
1770 	u16 subsystem_vendor_id;
1771 	u16 subsystem_device_id;
1772 	u16 subsystem_revision_id;
1773 	u8 valid_fields;
1774 	u8 manufacturing_location;
1775 	u16 manufacturing_date;
1776 	u8 reserved[2];		/* Reserved, must be zero */
1777 	u32 serial_number;
1778 	u16 code;
1779 	u16 windows;
1780 	u64 window_size;
1781 	u64 command_offset;
1782 	u64 command_size;
1783 	u64 status_offset;
1784 	u64 status_size;
1785 	u16 flags;
1786 	u8 reserved1[6];	/* Reserved, must be zero */
1787 };
1788 
1789 /* Flags */
1790 
1791 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1792 
1793 /* valid_fields bits */
1794 
1795 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1796 
1797 /* 5: NVDIMM Block Data Window Region Structure */
1798 
1799 struct acpi_nfit_data_region {
1800 	struct acpi_nfit_header header;
1801 	u16 region_index;
1802 	u16 windows;
1803 	u64 offset;
1804 	u64 size;
1805 	u64 capacity;
1806 	u64 start_address;
1807 };
1808 
1809 /* 6: Flush Hint Address Structure */
1810 
1811 struct acpi_nfit_flush_address {
1812 	struct acpi_nfit_header header;
1813 	u32 device_handle;
1814 	u16 hint_count;
1815 	u8 reserved[6];		/* Reserved, must be zero */
1816 	u64 hint_address[];	/* Variable length */
1817 };
1818 
1819 /* 7: Platform Capabilities Structure */
1820 
1821 struct acpi_nfit_capabilities {
1822 	struct acpi_nfit_header header;
1823 	u8 highest_capability;
1824 	u8 reserved[3];		/* Reserved, must be zero */
1825 	u32 capabilities;
1826 	u32 reserved2;
1827 };
1828 
1829 /* Capabilities Flags */
1830 
1831 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1832 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1833 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1834 
1835 /*
1836  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1837  */
1838 struct nfit_device_handle {
1839 	u32 handle;
1840 };
1841 
1842 /* Device handle construction and extraction macros */
1843 
1844 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1845 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1846 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1847 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1848 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1849 
1850 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1851 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1852 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1853 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1854 #define ACPI_NFIT_NODE_ID_OFFSET                16
1855 
1856 /* Macro to construct a NFIT/NVDIMM device handle */
1857 
1858 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1859 	((dimm)                                         | \
1860 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1861 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1862 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1863 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1864 
1865 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1866 
1867 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1868 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1869 
1870 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1871 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1872 
1873 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1874 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1875 
1876 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1877 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1878 
1879 #define ACPI_NFIT_GET_NODE_ID(handle) \
1880 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1881 
1882 /*******************************************************************************
1883  *
1884  * NHLT - Non HD Audio Link Table
1885  *
1886  * Conforms to: Intel Smart Sound Technology NHLT Specification
1887  * Version 0.8.1, January 2020.
1888  *
1889  ******************************************************************************/
1890 
1891 /* Main table */
1892 
1893 struct acpi_table_nhlt {
1894 	struct acpi_table_header header;	/* Common ACPI table header */
1895 	u8 endpoint_count;
1896 };
1897 
1898 struct acpi_nhlt_endpoint {
1899 	u32 descriptor_length;
1900 	u8 link_type;
1901 	u8 instance_id;
1902 	u16 vendor_id;
1903 	u16 device_id;
1904 	u16 revision_id;
1905 	u32 subsystem_id;
1906 	u8 device_type;
1907 	u8 direction;
1908 	u8 virtual_bus_id;
1909 };
1910 
1911 /* Types for link_type field above */
1912 
1913 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1914 #define ACPI_NHLT_RESERVED_DSP              1
1915 #define ACPI_NHLT_PDM                       2
1916 #define ACPI_NHLT_SSP                       3
1917 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1918 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1919 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1920 
1921 /* All other values above are reserved */
1922 
1923 /* Values for device_id field above */
1924 
1925 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1926 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1927 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1928 
1929 /* Values for device_type field above */
1930 
1931 /* SSP Link */
1932 
1933 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1934 #define ACPI_NHLT_LINK_FM                   1
1935 #define ACPI_NHLT_LINK_MODEM                2
1936 /* 3 is reserved */
1937 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1938 
1939 /* PDM Link */
1940 
1941 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1942 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1943 
1944 /* Values for Direction field above */
1945 
1946 #define ACPI_NHLT_DIR_RENDER                0
1947 #define ACPI_NHLT_DIR_CAPTURE               1
1948 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1949 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1950 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1951 
1952 struct acpi_nhlt_device_specific_config {
1953 	u32 capabilities_size;
1954 	u8 virtual_slot;
1955 	u8 config_type;
1956 };
1957 
1958 struct acpi_nhlt_device_specific_config_a {
1959 	u32 capabilities_size;
1960 	u8 virtual_slot;
1961 	u8 config_type;
1962 	u8 array_type;
1963 };
1964 
1965 /* Values for Config Type above */
1966 
1967 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1968 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1969 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1970 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1971 
1972 struct acpi_nhlt_device_specific_config_b {
1973 	u32 capabilities_size;
1974 };
1975 
1976 struct acpi_nhlt_device_specific_config_c {
1977 	u32 capabilities_size;
1978 	u8 virtual_slot;
1979 };
1980 
1981 struct acpi_nhlt_render_device_specific_config {
1982 	u32 capabilities_size;
1983 	u8 virtual_slot;
1984 };
1985 
1986 struct acpi_nhlt_wave_extensible {
1987 	u16 format_tag;
1988 	u16 channel_count;
1989 	u32 samples_per_sec;
1990 	u32 avg_bytes_per_sec;
1991 	u16 block_align;
1992 	u16 bits_per_sample;
1993 	u16 extra_format_size;
1994 	u16 valid_bits_per_sample;
1995 	u32 channel_mask;
1996 	u8 sub_format_guid[16];
1997 };
1998 
1999 /* Values for channel_mask above */
2000 
2001 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
2002 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
2003 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
2004 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
2005 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
2006 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
2007 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
2008 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
2009 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
2010 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
2011 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
2012 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
2013 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
2014 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
2015 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
2016 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
2017 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
2018 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
2019 
2020 struct acpi_nhlt_format_config {
2021 	struct acpi_nhlt_wave_extensible format;
2022 	u32 capability_size;
2023 	u8 capabilities[];
2024 };
2025 
2026 struct acpi_nhlt_formats_config {
2027 	u8 formats_count;
2028 };
2029 
2030 struct acpi_nhlt_device_specific_hdr {
2031 	u8 virtual_slot;
2032 	u8 config_type;
2033 };
2034 
2035 /* Types for config_type above */
2036 
2037 #define ACPI_NHLT_GENERIC                   0
2038 #define ACPI_NHLT_MIC                       1
2039 #define ACPI_NHLT_RENDER                    3
2040 
2041 struct acpi_nhlt_mic_device_specific_config {
2042 	struct acpi_nhlt_device_specific_hdr device_config;
2043 	u8 array_type_ext;
2044 };
2045 
2046 /* Values for array_type_ext above */
2047 
2048 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
2049 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
2050 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
2051 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
2052 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
2053 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
2054 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
2055 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
2056 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
2057 
2058 #define ACPI_NHLT_NO_EXTENSION                      0x0
2059 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
2060 
2061 struct acpi_nhlt_vendor_mic_count {
2062 	u8 microphone_count;
2063 };
2064 
2065 struct acpi_nhlt_vendor_mic_config {
2066 	u8 type;
2067 	u8 panel;
2068 	u16 speaker_position_distance;	/* mm */
2069 	u16 horizontal_offset;	/* mm */
2070 	u16 vertical_offset;	/* mm */
2071 	u8 frequency_low_band;	/* 5*Hz */
2072 	u8 frequency_high_band;	/* 500*Hz */
2073 	u16 direction_angle;	/* -180 - + 180 */
2074 	u16 elevation_angle;	/* -180 - + 180 */
2075 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
2076 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
2077 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
2078 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
2079 };
2080 
2081 /* Values for Type field above */
2082 
2083 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
2084 #define ACPI_NHLT_MIC_SUBCARDIOID           1
2085 #define ACPI_NHLT_MIC_CARDIOID              2
2086 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
2087 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
2088 #define ACPI_NHLT_MIC_8_SHAPED              5
2089 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
2090 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
2091 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
2092 
2093 /* Values for Panel field above */
2094 
2095 #define ACPI_NHLT_MIC_POSITION_TOP          0
2096 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
2097 #define ACPI_NHLT_MIC_POSITION_LEFT         2
2098 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
2099 #define ACPI_NHLT_MIC_POSITION_FRONT        4
2100 #define ACPI_NHLT_MIC_POSITION_BACK         5
2101 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
2102 
2103 struct acpi_nhlt_vendor_mic_device_specific_config {
2104 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
2105 	u8 number_of_microphones;
2106 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
2107 };
2108 
2109 /* Microphone SNR and Sensitivity extension */
2110 
2111 struct acpi_nhlt_mic_snr_sensitivity_extension {
2112 	u32 SNR;
2113 	u32 sensitivity;
2114 };
2115 
2116 /* Render device with feedback */
2117 
2118 struct acpi_nhlt_render_feedback_device_specific_config {
2119 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
2120 	u16 feedback_channels;	/* Informative only */
2121 	u16 feedback_valid_bits_per_sample;
2122 };
2123 
2124 /* Non documented structures */
2125 
2126 struct acpi_nhlt_device_info_count {
2127 	u8 structure_count;
2128 };
2129 
2130 struct acpi_nhlt_device_info {
2131 	u8 device_id[16];
2132 	u8 device_instance_id;
2133 	u8 device_port_id;
2134 };
2135 
2136 /*******************************************************************************
2137  *
2138  * PCCT - Platform Communications Channel Table (ACPI 5.0)
2139  *        Version 2 (ACPI 6.2)
2140  *
2141  ******************************************************************************/
2142 
2143 struct acpi_table_pcct {
2144 	struct acpi_table_header header;	/* Common ACPI table header */
2145 	u32 flags;
2146 	u64 reserved;
2147 };
2148 
2149 /* Values for Flags field above */
2150 
2151 #define ACPI_PCCT_DOORBELL              1
2152 
2153 /* Values for subtable type in struct acpi_subtable_header */
2154 
2155 enum acpi_pcct_type {
2156 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2157 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2158 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
2159 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
2160 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
2161 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
2162 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
2163 };
2164 
2165 /*
2166  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2167  */
2168 
2169 /* 0: Generic Communications Subspace */
2170 
2171 struct acpi_pcct_subspace {
2172 	struct acpi_subtable_header header;
2173 	u8 reserved[6];
2174 	u64 base_address;
2175 	u64 length;
2176 	struct acpi_generic_address doorbell_register;
2177 	u64 preserve_mask;
2178 	u64 write_mask;
2179 	u32 latency;
2180 	u32 max_access_rate;
2181 	u16 min_turnaround_time;
2182 };
2183 
2184 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2185 
2186 struct acpi_pcct_hw_reduced {
2187 	struct acpi_subtable_header header;
2188 	u32 platform_interrupt;
2189 	u8 flags;
2190 	u8 reserved;
2191 	u64 base_address;
2192 	u64 length;
2193 	struct acpi_generic_address doorbell_register;
2194 	u64 preserve_mask;
2195 	u64 write_mask;
2196 	u32 latency;
2197 	u32 max_access_rate;
2198 	u16 min_turnaround_time;
2199 };
2200 
2201 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2202 
2203 struct acpi_pcct_hw_reduced_type2 {
2204 	struct acpi_subtable_header header;
2205 	u32 platform_interrupt;
2206 	u8 flags;
2207 	u8 reserved;
2208 	u64 base_address;
2209 	u64 length;
2210 	struct acpi_generic_address doorbell_register;
2211 	u64 preserve_mask;
2212 	u64 write_mask;
2213 	u32 latency;
2214 	u32 max_access_rate;
2215 	u16 min_turnaround_time;
2216 	struct acpi_generic_address platform_ack_register;
2217 	u64 ack_preserve_mask;
2218 	u64 ack_write_mask;
2219 };
2220 
2221 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2222 
2223 struct acpi_pcct_ext_pcc_master {
2224 	struct acpi_subtable_header header;
2225 	u32 platform_interrupt;
2226 	u8 flags;
2227 	u8 reserved1;
2228 	u64 base_address;
2229 	u32 length;
2230 	struct acpi_generic_address doorbell_register;
2231 	u64 preserve_mask;
2232 	u64 write_mask;
2233 	u32 latency;
2234 	u32 max_access_rate;
2235 	u32 min_turnaround_time;
2236 	struct acpi_generic_address platform_ack_register;
2237 	u64 ack_preserve_mask;
2238 	u64 ack_set_mask;
2239 	u64 reserved2;
2240 	struct acpi_generic_address cmd_complete_register;
2241 	u64 cmd_complete_mask;
2242 	struct acpi_generic_address cmd_update_register;
2243 	u64 cmd_update_preserve_mask;
2244 	u64 cmd_update_set_mask;
2245 	struct acpi_generic_address error_status_register;
2246 	u64 error_status_mask;
2247 };
2248 
2249 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2250 
2251 struct acpi_pcct_ext_pcc_slave {
2252 	struct acpi_subtable_header header;
2253 	u32 platform_interrupt;
2254 	u8 flags;
2255 	u8 reserved1;
2256 	u64 base_address;
2257 	u32 length;
2258 	struct acpi_generic_address doorbell_register;
2259 	u64 preserve_mask;
2260 	u64 write_mask;
2261 	u32 latency;
2262 	u32 max_access_rate;
2263 	u32 min_turnaround_time;
2264 	struct acpi_generic_address platform_ack_register;
2265 	u64 ack_preserve_mask;
2266 	u64 ack_set_mask;
2267 	u64 reserved2;
2268 	struct acpi_generic_address cmd_complete_register;
2269 	u64 cmd_complete_mask;
2270 	struct acpi_generic_address cmd_update_register;
2271 	u64 cmd_update_preserve_mask;
2272 	u64 cmd_update_set_mask;
2273 	struct acpi_generic_address error_status_register;
2274 	u64 error_status_mask;
2275 };
2276 
2277 /* 5: HW Registers based Communications Subspace */
2278 
2279 struct acpi_pcct_hw_reg {
2280 	struct acpi_subtable_header header;
2281 	u16 version;
2282 	u64 base_address;
2283 	u64 length;
2284 	struct acpi_generic_address doorbell_register;
2285 	u64 doorbell_preserve;
2286 	u64 doorbell_write;
2287 	struct acpi_generic_address cmd_complete_register;
2288 	u64 cmd_complete_mask;
2289 	struct acpi_generic_address error_status_register;
2290 	u64 error_status_mask;
2291 	u32 nominal_latency;
2292 	u32 min_turnaround_time;
2293 };
2294 
2295 /* Values for doorbell flags above */
2296 
2297 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2298 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2299 
2300 /*
2301  * PCC memory structures (not part of the ACPI table)
2302  */
2303 
2304 /* Shared Memory Region */
2305 
2306 struct acpi_pcct_shared_memory {
2307 	u32 signature;
2308 	u16 command;
2309 	u16 status;
2310 };
2311 
2312 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2313 
2314 struct acpi_pcct_ext_pcc_shared_memory {
2315 	u32 signature;
2316 	u32 flags;
2317 	u32 length;
2318 	u32 command;
2319 };
2320 
2321 /*******************************************************************************
2322  *
2323  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2324  *        Version 0
2325  *
2326  ******************************************************************************/
2327 
2328 struct acpi_table_pdtt {
2329 	struct acpi_table_header header;	/* Common ACPI table header */
2330 	u8 trigger_count;
2331 	u8 reserved[3];
2332 	u32 array_offset;
2333 };
2334 
2335 /*
2336  * PDTT Communication Channel Identifier Structure.
2337  * The number of these structures is defined by trigger_count above,
2338  * starting at array_offset.
2339  */
2340 struct acpi_pdtt_channel {
2341 	u8 subchannel_id;
2342 	u8 flags;
2343 };
2344 
2345 /* Flags for above */
2346 
2347 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2348 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2349 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2350 
2351 /*******************************************************************************
2352  *
2353  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2354  *        Version 1
2355  *
2356  ******************************************************************************/
2357 
2358 struct acpi_table_phat {
2359 	struct acpi_table_header header;	/* Common ACPI table header */
2360 };
2361 
2362 /* Common header for PHAT subtables that follow main table */
2363 
2364 struct acpi_phat_header {
2365 	u16 type;
2366 	u16 length;
2367 	u8 revision;
2368 };
2369 
2370 /* Values for Type field above */
2371 
2372 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2373 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2374 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2375 
2376 /*
2377  * PHAT subtables, correspond to Type in struct acpi_phat_header
2378  */
2379 
2380 /* 0: Firmware Version Data Record */
2381 
2382 struct acpi_phat_version_data {
2383 	struct acpi_phat_header header;
2384 	u8 reserved[3];
2385 	u32 element_count;
2386 };
2387 
2388 struct acpi_phat_version_element {
2389 	u8 guid[16];
2390 	u64 version_value;
2391 	u32 producer_id;
2392 };
2393 
2394 /* 1: Firmware Health Data Record */
2395 
2396 struct acpi_phat_health_data {
2397 	struct acpi_phat_header header;
2398 	u8 reserved[2];
2399 	u8 health;
2400 	u8 device_guid[16];
2401 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2402 };
2403 
2404 /* Values for Health field above */
2405 
2406 #define ACPI_PHAT_ERRORS_FOUND          0
2407 #define ACPI_PHAT_NO_ERRORS             1
2408 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2409 #define ACPI_PHAT_ADVISORY              3
2410 
2411 /*******************************************************************************
2412  *
2413  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2414  *        Version 1
2415  *
2416  ******************************************************************************/
2417 
2418 struct acpi_table_pmtt {
2419 	struct acpi_table_header header;	/* Common ACPI table header */
2420 	u32 memory_device_count;
2421 	/*
2422 	 * Immediately followed by:
2423 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2424 	 */
2425 };
2426 
2427 /* Common header for PMTT subtables that follow main table */
2428 
2429 struct acpi_pmtt_header {
2430 	u8 type;
2431 	u8 reserved1;
2432 	u16 length;
2433 	u16 flags;
2434 	u16 reserved2;
2435 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2436 	/*
2437 	 * Immediately followed by:
2438 	 * u8 type_specific_data[]
2439 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2440 	 */
2441 };
2442 
2443 /* Values for Type field above */
2444 
2445 #define ACPI_PMTT_TYPE_SOCKET           0
2446 #define ACPI_PMTT_TYPE_CONTROLLER       1
2447 #define ACPI_PMTT_TYPE_DIMM             2
2448 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2449 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2450 
2451 /* Values for Flags field above */
2452 
2453 #define ACPI_PMTT_TOP_LEVEL             0x0001
2454 #define ACPI_PMTT_PHYSICAL              0x0002
2455 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2456 
2457 /*
2458  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2459  */
2460 
2461 /* 0: Socket Structure */
2462 
2463 struct acpi_pmtt_socket {
2464 	struct acpi_pmtt_header header;
2465 	u16 socket_id;
2466 	u16 reserved;
2467 };
2468 	/*
2469 	 * Immediately followed by:
2470 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2471 	 */
2472 
2473 /* 1: Memory Controller subtable */
2474 
2475 struct acpi_pmtt_controller {
2476 	struct acpi_pmtt_header header;
2477 	u16 controller_id;
2478 	u16 reserved;
2479 };
2480 	/*
2481 	 * Immediately followed by:
2482 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2483 	 */
2484 
2485 /* 2: Physical Component Identifier (DIMM) */
2486 
2487 struct acpi_pmtt_physical_component {
2488 	struct acpi_pmtt_header header;
2489 	u32 bios_handle;
2490 };
2491 
2492 /* 0xFF: Vendor Specific Data */
2493 
2494 struct acpi_pmtt_vendor_specific {
2495 	struct acpi_pmtt_header header;
2496 	u8 type_uuid[16];
2497 	u8 specific[];
2498 	/*
2499 	 * Immediately followed by:
2500 	 * u8 vendor_specific_data[];
2501 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2502 	 */
2503 };
2504 
2505 /*******************************************************************************
2506  *
2507  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2508  *        Version 1
2509  *
2510  ******************************************************************************/
2511 
2512 struct acpi_table_pptt {
2513 	struct acpi_table_header header;	/* Common ACPI table header */
2514 };
2515 
2516 /* Values for Type field above */
2517 
2518 enum acpi_pptt_type {
2519 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2520 	ACPI_PPTT_TYPE_CACHE = 1,
2521 	ACPI_PPTT_TYPE_ID = 2,
2522 	ACPI_PPTT_TYPE_RESERVED = 3
2523 };
2524 
2525 /* 0: Processor Hierarchy Node Structure */
2526 
2527 struct acpi_pptt_processor {
2528 	struct acpi_subtable_header header;
2529 	u16 reserved;
2530 	u32 flags;
2531 	u32 parent;
2532 	u32 acpi_processor_id;
2533 	u32 number_of_priv_resources;
2534 };
2535 
2536 /* Flags */
2537 
2538 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2539 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2540 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2541 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2542 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2543 
2544 /* 1: Cache Type Structure */
2545 
2546 struct acpi_pptt_cache {
2547 	struct acpi_subtable_header header;
2548 	u16 reserved;
2549 	u32 flags;
2550 	u32 next_level_of_cache;
2551 	u32 size;
2552 	u32 number_of_sets;
2553 	u8 associativity;
2554 	u8 attributes;
2555 	u16 line_size;
2556 };
2557 
2558 /* 1: Cache Type Structure for PPTT version 3 */
2559 
2560 struct acpi_pptt_cache_v1 {
2561 	u32 cache_id;
2562 };
2563 
2564 /* Flags */
2565 
2566 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2567 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2568 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2569 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2570 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2571 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2572 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2573 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2574 
2575 /* Masks for Attributes */
2576 
2577 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2578 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2579 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2580 
2581 /* Attributes describing cache */
2582 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2583 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2584 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2585 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2586 
2587 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2588 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2589 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2590 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2591 
2592 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2593 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2594 
2595 /* 2: ID Structure */
2596 
2597 struct acpi_pptt_id {
2598 	struct acpi_subtable_header header;
2599 	u16 reserved;
2600 	u32 vendor_id;
2601 	u64 level1_id;
2602 	u64 level2_id;
2603 	u16 major_rev;
2604 	u16 minor_rev;
2605 	u16 spin_rev;
2606 };
2607 
2608 /*******************************************************************************
2609  *
2610  * PRMT - Platform Runtime Mechanism Table
2611  *        Version 1
2612  *
2613  ******************************************************************************/
2614 
2615 struct acpi_table_prmt {
2616 	struct acpi_table_header header;	/* Common ACPI table header */
2617 };
2618 
2619 struct acpi_table_prmt_header {
2620 	u8 platform_guid[16];
2621 	u32 module_info_offset;
2622 	u32 module_info_count;
2623 };
2624 
2625 struct acpi_prmt_module_header {
2626 	u16 revision;
2627 	u16 length;
2628 };
2629 
2630 struct acpi_prmt_module_info {
2631 	u16 revision;
2632 	u16 length;
2633 	u8 module_guid[16];
2634 	u16 major_rev;
2635 	u16 minor_rev;
2636 	u16 handler_info_count;
2637 	u32 handler_info_offset;
2638 	u64 mmio_list_pointer;
2639 };
2640 
2641 struct acpi_prmt_handler_info {
2642 	u16 revision;
2643 	u16 length;
2644 	u8 handler_guid[16];
2645 	u64 handler_address;
2646 	u64 static_data_buffer_address;
2647 	u64 acpi_param_buffer_address;
2648 };
2649 
2650 /*******************************************************************************
2651  *
2652  * RASF - RAS Feature Table (ACPI 5.0)
2653  *        Version 1
2654  *
2655  ******************************************************************************/
2656 
2657 struct acpi_table_rasf {
2658 	struct acpi_table_header header;	/* Common ACPI table header */
2659 	u8 channel_id[12];
2660 };
2661 
2662 /* RASF Platform Communication Channel Shared Memory Region */
2663 
2664 struct acpi_rasf_shared_memory {
2665 	u32 signature;
2666 	u16 command;
2667 	u16 status;
2668 	u16 version;
2669 	u8 capabilities[16];
2670 	u8 set_capabilities[16];
2671 	u16 num_parameter_blocks;
2672 	u32 set_capabilities_status;
2673 };
2674 
2675 /* RASF Parameter Block Structure Header */
2676 
2677 struct acpi_rasf_parameter_block {
2678 	u16 type;
2679 	u16 version;
2680 	u16 length;
2681 };
2682 
2683 /* RASF Parameter Block Structure for PATROL_SCRUB */
2684 
2685 struct acpi_rasf_patrol_scrub_parameter {
2686 	struct acpi_rasf_parameter_block header;
2687 	u16 patrol_scrub_command;
2688 	u64 requested_address_range[2];
2689 	u64 actual_address_range[2];
2690 	u16 flags;
2691 	u8 requested_speed;
2692 };
2693 
2694 /* Masks for Flags and Speed fields above */
2695 
2696 #define ACPI_RASF_SCRUBBER_RUNNING      1
2697 #define ACPI_RASF_SPEED                 (7<<1)
2698 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2699 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2700 #define ACPI_RASF_SPEED_FAST            (7<<1)
2701 
2702 /* Channel Commands */
2703 
2704 enum acpi_rasf_commands {
2705 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2706 };
2707 
2708 /* Platform RAS Capabilities */
2709 
2710 enum acpi_rasf_capabiliities {
2711 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2712 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2713 };
2714 
2715 /* Patrol Scrub Commands */
2716 
2717 enum acpi_rasf_patrol_scrub_commands {
2718 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2719 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2720 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2721 };
2722 
2723 /* Channel Command flags */
2724 
2725 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2726 
2727 /* Status values */
2728 
2729 enum acpi_rasf_status {
2730 	ACPI_RASF_SUCCESS = 0,
2731 	ACPI_RASF_NOT_VALID = 1,
2732 	ACPI_RASF_NOT_SUPPORTED = 2,
2733 	ACPI_RASF_BUSY = 3,
2734 	ACPI_RASF_FAILED = 4,
2735 	ACPI_RASF_ABORTED = 5,
2736 	ACPI_RASF_INVALID_DATA = 6
2737 };
2738 
2739 /* Status flags */
2740 
2741 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2742 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2743 #define ACPI_RASF_ERROR                 (1<<2)
2744 #define ACPI_RASF_STATUS                (0x1F<<3)
2745 
2746 /*******************************************************************************
2747  *
2748  * RGRT - Regulatory Graphics Resource Table
2749  *        Version 1
2750  *
2751  * Conforms to "ACPI RGRT" available at:
2752  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2753  *
2754  ******************************************************************************/
2755 
2756 struct acpi_table_rgrt {
2757 	struct acpi_table_header header;	/* Common ACPI table header */
2758 	u16 version;
2759 	u8 image_type;
2760 	u8 reserved;
2761 	u8 image[];
2762 };
2763 
2764 /* image_type values */
2765 
2766 enum acpi_rgrt_image_type {
2767 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2768 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2769 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2770 };
2771 
2772 /*******************************************************************************
2773  *
2774  * RHCT - RISC-V Hart Capabilities Table
2775  *        Version 1
2776  *
2777  ******************************************************************************/
2778 
2779 struct acpi_table_rhct {
2780 	struct acpi_table_header header;	/* Common ACPI table header */
2781 	u32 flags;		/* RHCT flags */
2782 	u64 time_base_freq;
2783 	u32 node_count;
2784 	u32 node_offset;
2785 };
2786 
2787 /* RHCT Flags */
2788 
2789 #define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU       (1)
2790 /*
2791  * RHCT subtables
2792  */
2793 struct acpi_rhct_node_header {
2794 	u16 type;
2795 	u16 length;
2796 	u16 revision;
2797 };
2798 
2799 /* Values for RHCT subtable Type above */
2800 
2801 enum acpi_rhct_node_type {
2802 	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
2803 	ACPI_RHCT_NODE_TYPE_CMO = 0x0001,
2804 	ACPI_RHCT_NODE_TYPE_MMU = 0x0002,
2805 	ACPI_RHCT_NODE_TYPE_RESERVED = 0x0003,
2806 	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
2807 };
2808 
2809 /*
2810  * RHCT node specific subtables
2811  */
2812 
2813 /* ISA string node structure */
2814 struct acpi_rhct_isa_string {
2815 	u16 isa_length;
2816 	char isa[];
2817 };
2818 
2819 struct acpi_rhct_cmo_node {
2820 	u8 reserved;		/* Must be zero */
2821 	u8 cbom_size;		/* CBOM size in powerof 2 */
2822 	u8 cbop_size;		/* CBOP size in powerof 2 */
2823 	u8 cboz_size;		/* CBOZ size in powerof 2 */
2824 };
2825 
2826 struct acpi_rhct_mmu_node {
2827 	u8 reserved;		/* Must be zero */
2828 	u8 mmu_type;		/* Virtual Address Scheme */
2829 };
2830 
2831 enum acpi_rhct_mmu_type {
2832 	ACPI_RHCT_MMU_TYPE_SV39 = 0,
2833 	ACPI_RHCT_MMU_TYPE_SV48 = 1,
2834 	ACPI_RHCT_MMU_TYPE_SV57 = 2
2835 };
2836 
2837 /* Hart Info node structure */
2838 struct acpi_rhct_hart_info {
2839 	u16 num_offsets;
2840 	u32 uid;		/* ACPI processor UID */
2841 };
2842 
2843 /*******************************************************************************
2844  *
2845  * SBST - Smart Battery Specification Table
2846  *        Version 1
2847  *
2848  ******************************************************************************/
2849 
2850 struct acpi_table_sbst {
2851 	struct acpi_table_header header;	/* Common ACPI table header */
2852 	u32 warning_level;
2853 	u32 low_level;
2854 	u32 critical_level;
2855 };
2856 
2857 /*******************************************************************************
2858  *
2859  * SDEI - Software Delegated Exception Interface Descriptor Table
2860  *
2861  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2862  * May 8th, 2017. Copyright 2017 ARM Ltd.
2863  *
2864  ******************************************************************************/
2865 
2866 struct acpi_table_sdei {
2867 	struct acpi_table_header header;	/* Common ACPI table header */
2868 };
2869 
2870 /*******************************************************************************
2871  *
2872  * SDEV - Secure Devices Table (ACPI 6.2)
2873  *        Version 1
2874  *
2875  ******************************************************************************/
2876 
2877 struct acpi_table_sdev {
2878 	struct acpi_table_header header;	/* Common ACPI table header */
2879 };
2880 
2881 struct acpi_sdev_header {
2882 	u8 type;
2883 	u8 flags;
2884 	u16 length;
2885 };
2886 
2887 /* Values for subtable type above */
2888 
2889 enum acpi_sdev_type {
2890 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2891 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2892 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2893 };
2894 
2895 /* Values for flags above */
2896 
2897 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2898 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2899 
2900 /*
2901  * SDEV subtables
2902  */
2903 
2904 /* 0: Namespace Device Based Secure Device Structure */
2905 
2906 struct acpi_sdev_namespace {
2907 	struct acpi_sdev_header header;
2908 	u16 device_id_offset;
2909 	u16 device_id_length;
2910 	u16 vendor_data_offset;
2911 	u16 vendor_data_length;
2912 };
2913 
2914 struct acpi_sdev_secure_component {
2915 	u16 secure_component_offset;
2916 	u16 secure_component_length;
2917 };
2918 
2919 /*
2920  * SDEV sub-subtables ("Components") for above
2921  */
2922 struct acpi_sdev_component {
2923 	struct acpi_sdev_header header;
2924 };
2925 
2926 /* Values for sub-subtable type above */
2927 
2928 enum acpi_sac_type {
2929 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2930 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2931 };
2932 
2933 struct acpi_sdev_id_component {
2934 	struct acpi_sdev_header header;
2935 	u16 hardware_id_offset;
2936 	u16 hardware_id_length;
2937 	u16 subsystem_id_offset;
2938 	u16 subsystem_id_length;
2939 	u16 hardware_revision;
2940 	u8 hardware_rev_present;
2941 	u8 class_code_present;
2942 	u8 pci_base_class;
2943 	u8 pci_sub_class;
2944 	u8 pci_programming_xface;
2945 };
2946 
2947 struct acpi_sdev_mem_component {
2948 	struct acpi_sdev_header header;
2949 	u32 reserved;
2950 	u64 memory_base_address;
2951 	u64 memory_length;
2952 };
2953 
2954 /* 1: PCIe Endpoint Device Based Device Structure */
2955 
2956 struct acpi_sdev_pcie {
2957 	struct acpi_sdev_header header;
2958 	u16 segment;
2959 	u16 start_bus;
2960 	u16 path_offset;
2961 	u16 path_length;
2962 	u16 vendor_data_offset;
2963 	u16 vendor_data_length;
2964 };
2965 
2966 /* 1a: PCIe Endpoint path entry */
2967 
2968 struct acpi_sdev_pcie_path {
2969 	u8 device;
2970 	u8 function;
2971 };
2972 
2973 /*******************************************************************************
2974  *
2975  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2976  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2977  *        Trust Domain Extensions (Intel TDX)".
2978  *        Version 1
2979  *
2980  ******************************************************************************/
2981 
2982 struct acpi_table_svkl {
2983 	struct acpi_table_header header;	/* Common ACPI table header */
2984 	u32 count;
2985 };
2986 
2987 struct acpi_svkl_key {
2988 	u16 type;
2989 	u16 format;
2990 	u32 size;
2991 	u64 address;
2992 };
2993 
2994 enum acpi_svkl_type {
2995 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2996 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2997 };
2998 
2999 enum acpi_svkl_format {
3000 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
3001 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
3002 };
3003 
3004 /*******************************************************************************
3005  *
3006  * TDEL - TD-Event Log
3007  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3008  *        Trust Domain Extensions (Intel TDX)".
3009  *        September 2020
3010  *
3011  ******************************************************************************/
3012 
3013 struct acpi_table_tdel {
3014 	struct acpi_table_header header;	/* Common ACPI table header */
3015 	u32 reserved;
3016 	u64 log_area_minimum_length;
3017 	u64 log_area_start_address;
3018 };
3019 
3020 /* Reset to default packing */
3021 
3022 #pragma pack()
3023 
3024 #endif				/* __ACTBL2_H__ */
3025