xref: /linux/include/acpi/actbl2.h (revision 2d7f3d1a5866705be2393150e1ffdf67030ab88d)
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 #define ACPI_MADT_GICC_ONLINE_CAPABLE   (1<<3)	/* 03: Processor is online capable  */
1050 #define ACPI_MADT_GICC_NON_COHERENT     (1<<4)	/* 04: GIC redistributor is not coherent */
1051 
1052 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1053 
1054 struct acpi_madt_generic_distributor {
1055 	struct acpi_subtable_header header;
1056 	u16 reserved;		/* reserved - must be zero */
1057 	u32 gic_id;
1058 	u64 base_address;
1059 	u32 global_irq_base;
1060 	u8 version;
1061 	u8 reserved2[3];	/* reserved - must be zero */
1062 };
1063 
1064 /* Values for Version field above */
1065 
1066 enum acpi_madt_gic_version {
1067 	ACPI_MADT_GIC_VERSION_NONE = 0,
1068 	ACPI_MADT_GIC_VERSION_V1 = 1,
1069 	ACPI_MADT_GIC_VERSION_V2 = 2,
1070 	ACPI_MADT_GIC_VERSION_V3 = 3,
1071 	ACPI_MADT_GIC_VERSION_V4 = 4,
1072 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1073 };
1074 
1075 /* 13: Generic MSI Frame (ACPI 5.1) */
1076 
1077 struct acpi_madt_generic_msi_frame {
1078 	struct acpi_subtable_header header;
1079 	u16 reserved;		/* reserved - must be zero */
1080 	u32 msi_frame_id;
1081 	u64 base_address;
1082 	u32 flags;
1083 	u16 spi_count;
1084 	u16 spi_base;
1085 };
1086 
1087 /* Masks for Flags field above */
1088 
1089 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1090 
1091 /* 14: Generic Redistributor (ACPI 5.1) */
1092 
1093 struct acpi_madt_generic_redistributor {
1094 	struct acpi_subtable_header header;
1095 	u8 flags;
1096 	u8 reserved;		/* reserved - must be zero */
1097 	u64 base_address;
1098 	u32 length;
1099 };
1100 
1101 #define ACPI_MADT_GICR_NON_COHERENT     (1)
1102 
1103 /* 15: Generic Translator (ACPI 6.0) */
1104 
1105 struct acpi_madt_generic_translator {
1106 	struct acpi_subtable_header header;
1107 	u8 flags;
1108 	u8 reserved;		/* reserved - must be zero */
1109 	u32 translation_id;
1110 	u64 base_address;
1111 	u32 reserved2;
1112 };
1113 
1114 #define ACPI_MADT_ITS_NON_COHERENT      (1)
1115 
1116 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1117 
1118 struct acpi_madt_multiproc_wakeup {
1119 	struct acpi_subtable_header header;
1120 	u16 mailbox_version;
1121 	u32 reserved;		/* reserved - must be zero */
1122 	u64 base_address;
1123 };
1124 
1125 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1126 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1127 
1128 struct acpi_madt_multiproc_wakeup_mailbox {
1129 	u16 command;
1130 	u16 reserved;		/* reserved - must be zero */
1131 	u32 apic_id;
1132 	u64 wakeup_vector;
1133 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1134 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1135 };
1136 
1137 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1138 
1139 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1140 
1141 struct acpi_madt_core_pic {
1142 	struct acpi_subtable_header header;
1143 	u8 version;
1144 	u32 processor_id;
1145 	u32 core_id;
1146 	u32 flags;
1147 };
1148 
1149 /* Values for Version field above */
1150 
1151 enum acpi_madt_core_pic_version {
1152 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1153 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1154 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1155 };
1156 
1157 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1158 
1159 struct acpi_madt_lio_pic {
1160 	struct acpi_subtable_header header;
1161 	u8 version;
1162 	u64 address;
1163 	u16 size;
1164 	u8 cascade[2];
1165 	u32 cascade_map[2];
1166 };
1167 
1168 /* Values for Version field above */
1169 
1170 enum acpi_madt_lio_pic_version {
1171 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1172 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1173 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1174 };
1175 
1176 /* 19: HT Interrupt Controller (ACPI 6.5) */
1177 
1178 struct acpi_madt_ht_pic {
1179 	struct acpi_subtable_header header;
1180 	u8 version;
1181 	u64 address;
1182 	u16 size;
1183 	u8 cascade[8];
1184 };
1185 
1186 /* Values for Version field above */
1187 
1188 enum acpi_madt_ht_pic_version {
1189 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1190 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1191 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1192 };
1193 
1194 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1195 
1196 struct acpi_madt_eio_pic {
1197 	struct acpi_subtable_header header;
1198 	u8 version;
1199 	u8 cascade;
1200 	u8 node;
1201 	u64 node_map;
1202 };
1203 
1204 /* Values for Version field above */
1205 
1206 enum acpi_madt_eio_pic_version {
1207 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1208 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1209 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1210 };
1211 
1212 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1213 
1214 struct acpi_madt_msi_pic {
1215 	struct acpi_subtable_header header;
1216 	u8 version;
1217 	u64 msg_address;
1218 	u32 start;
1219 	u32 count;
1220 };
1221 
1222 /* Values for Version field above */
1223 
1224 enum acpi_madt_msi_pic_version {
1225 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1226 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1227 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1228 };
1229 
1230 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1231 
1232 struct acpi_madt_bio_pic {
1233 	struct acpi_subtable_header header;
1234 	u8 version;
1235 	u64 address;
1236 	u16 size;
1237 	u16 id;
1238 	u16 gsi_base;
1239 };
1240 
1241 /* Values for Version field above */
1242 
1243 enum acpi_madt_bio_pic_version {
1244 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1245 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1246 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1247 };
1248 
1249 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1250 
1251 struct acpi_madt_lpc_pic {
1252 	struct acpi_subtable_header header;
1253 	u8 version;
1254 	u64 address;
1255 	u16 size;
1256 	u8 cascade;
1257 };
1258 
1259 /* Values for Version field above */
1260 
1261 enum acpi_madt_lpc_pic_version {
1262 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1263 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1264 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1265 };
1266 
1267 /* 24: RISC-V INTC */
1268 struct acpi_madt_rintc {
1269 	struct acpi_subtable_header header;
1270 	u8 version;
1271 	u8 reserved;
1272 	u32 flags;
1273 	u64 hart_id;
1274 	u32 uid;		/* ACPI processor UID */
1275 	u32 ext_intc_id;	/* External INTC Id */
1276 	u64 imsic_addr;		/* IMSIC base address */
1277 	u32 imsic_size;		/* IMSIC size */
1278 };
1279 
1280 /* Values for RISC-V INTC Version field above */
1281 
1282 enum acpi_madt_rintc_version {
1283 	ACPI_MADT_RINTC_VERSION_NONE = 0,
1284 	ACPI_MADT_RINTC_VERSION_V1 = 1,
1285 	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1286 };
1287 
1288 /* 25: RISC-V IMSIC */
1289 struct acpi_madt_imsic {
1290 	struct acpi_subtable_header header;
1291 	u8 version;
1292 	u8 reserved;
1293 	u32 flags;
1294 	u16 num_ids;
1295 	u16 num_guest_ids;
1296 	u8 guest_index_bits;
1297 	u8 hart_index_bits;
1298 	u8 group_index_bits;
1299 	u8 group_index_shift;
1300 };
1301 
1302 /* 26: RISC-V APLIC */
1303 struct acpi_madt_aplic {
1304 	struct acpi_subtable_header header;
1305 	u8 version;
1306 	u8 id;
1307 	u32 flags;
1308 	u8 hw_id[8];
1309 	u16 num_idcs;
1310 	u16 num_sources;
1311 	u32 gsi_base;
1312 	u64 base_addr;
1313 	u32 size;
1314 };
1315 
1316 /* 27: RISC-V PLIC */
1317 struct acpi_madt_plic {
1318 	struct acpi_subtable_header header;
1319 	u8 version;
1320 	u8 id;
1321 	u8 hw_id[8];
1322 	u16 num_irqs;
1323 	u16 max_prio;
1324 	u32 flags;
1325 	u32 size;
1326 	u64 base_addr;
1327 	u32 gsi_base;
1328 };
1329 
1330 /* 80: OEM data */
1331 
1332 struct acpi_madt_oem_data {
1333 	ACPI_FLEX_ARRAY(u8, oem_data);
1334 };
1335 
1336 /*
1337  * Common flags fields for MADT subtables
1338  */
1339 
1340 /* MADT Local APIC flags */
1341 
1342 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1343 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1344 
1345 /* MADT MPS INTI flags (inti_flags) */
1346 
1347 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1348 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1349 
1350 /* Values for MPS INTI flags */
1351 
1352 #define ACPI_MADT_POLARITY_CONFORMS       0
1353 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1354 #define ACPI_MADT_POLARITY_RESERVED       2
1355 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1356 
1357 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1358 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1359 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1360 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1361 
1362 /*******************************************************************************
1363  *
1364  * MCFG - PCI Memory Mapped Configuration table and subtable
1365  *        Version 1
1366  *
1367  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1368  *
1369  ******************************************************************************/
1370 
1371 struct acpi_table_mcfg {
1372 	struct acpi_table_header header;	/* Common ACPI table header */
1373 	u8 reserved[8];
1374 };
1375 
1376 /* Subtable */
1377 
1378 struct acpi_mcfg_allocation {
1379 	u64 address;		/* Base address, processor-relative */
1380 	u16 pci_segment;	/* PCI segment group number */
1381 	u8 start_bus_number;	/* Starting PCI Bus number */
1382 	u8 end_bus_number;	/* Final PCI Bus number */
1383 	u32 reserved;
1384 };
1385 
1386 /*******************************************************************************
1387  *
1388  * MCHI - Management Controller Host Interface Table
1389  *        Version 1
1390  *
1391  * Conforms to "Management Component Transport Protocol (MCTP) Host
1392  * Interface Specification", Revision 1.0.0a, October 13, 2009
1393  *
1394  ******************************************************************************/
1395 
1396 struct acpi_table_mchi {
1397 	struct acpi_table_header header;	/* Common ACPI table header */
1398 	u8 interface_type;
1399 	u8 protocol;
1400 	u64 protocol_data;
1401 	u8 interrupt_type;
1402 	u8 gpe;
1403 	u8 pci_device_flag;
1404 	u32 global_interrupt;
1405 	struct acpi_generic_address control_register;
1406 	u8 pci_segment;
1407 	u8 pci_bus;
1408 	u8 pci_device;
1409 	u8 pci_function;
1410 };
1411 
1412 /*******************************************************************************
1413  *
1414  * MPAM - Memory System Resource Partitioning and Monitoring
1415  *
1416  * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1417  * Document number: ARM DEN 0065, December, 2022.
1418  *
1419  ******************************************************************************/
1420 
1421 /* MPAM RIS locator types. Table 11, Location types */
1422 enum acpi_mpam_locator_type {
1423 	ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1424 	ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1425 	ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1426 	ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1427 	ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1428 	ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1429 	ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1430 };
1431 
1432 /* MPAM Functional dependency descriptor. Table 10 */
1433 struct acpi_mpam_func_deps {
1434 	u32 producer;
1435 	u32 reserved;
1436 };
1437 
1438 /* MPAM Processor cache locator descriptor. Table 13 */
1439 struct acpi_mpam_resource_cache_locator {
1440 	u64 cache_reference;
1441 	u32 reserved;
1442 };
1443 
1444 /* MPAM Memory locator descriptor. Table 14 */
1445 struct acpi_mpam_resource_memory_locator {
1446 	u64 proximity_domain;
1447 	u32 reserved;
1448 };
1449 
1450 /* MPAM SMMU locator descriptor. Table 15 */
1451 struct acpi_mpam_resource_smmu_locator {
1452 	u64 smmu_interface;
1453 	u32 reserved;
1454 };
1455 
1456 /* MPAM Memory-side cache locator descriptor. Table 16 */
1457 struct acpi_mpam_resource_memcache_locator {
1458 	u8 reserved[7];
1459 	u8 level;
1460 	u32 reference;
1461 };
1462 
1463 /* MPAM ACPI device locator descriptor. Table 17 */
1464 struct acpi_mpam_resource_acpi_locator {
1465 	u64 acpi_hw_id;
1466 	u32 acpi_unique_id;
1467 };
1468 
1469 /* MPAM Interconnect locator descriptor. Table 18 */
1470 struct acpi_mpam_resource_interconnect_locator {
1471 	u64 inter_connect_desc_tbl_off;
1472 	u32 reserved;
1473 };
1474 
1475 /* MPAM Locator structure. Table 12 */
1476 struct acpi_mpam_resource_generic_locator {
1477 	u64 descriptor1;
1478 	u32 descriptor2;
1479 };
1480 
1481 union acpi_mpam_resource_locator {
1482 	struct acpi_mpam_resource_cache_locator cache_locator;
1483 	struct acpi_mpam_resource_memory_locator memory_locator;
1484 	struct acpi_mpam_resource_smmu_locator smmu_locator;
1485 	struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1486 	struct acpi_mpam_resource_acpi_locator acpi_locator;
1487 	struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1488 	struct acpi_mpam_resource_generic_locator generic_locator;
1489 };
1490 
1491 /* Memory System Component Resource Node Structure Table 9 */
1492 struct acpi_mpam_resource_node {
1493 	u32 identifier;
1494 	u8 ris_index;
1495 	u16 reserved1;
1496 	u8 locator_type;
1497 	union acpi_mpam_resource_locator locator;
1498 	u32 num_functional_deps;
1499 };
1500 
1501 /* Memory System Component (MSC) Node Structure. Table 4 */
1502 struct acpi_mpam_msc_node {
1503 	u16 length;
1504 	u8 interface_type;
1505 	u8 reserved;
1506 	u32 identifier;
1507 	u64 base_address;
1508 	u32 mmio_size;
1509 	u32 overflow_interrupt;
1510 	u32 overflow_interrupt_flags;
1511 	u32 reserved1;
1512 	u32 overflow_interrupt_affinity;
1513 	u32 error_interrupt;
1514 	u32 error_interrupt_flags;
1515 	u32 reserved2;
1516 	u32 error_interrupt_affinity;
1517 	u32 max_nrdy_usec;
1518 	u64 hardware_id_linked_device;
1519 	u32 instance_id_linked_device;
1520 	u32 num_resouce_nodes;
1521 };
1522 
1523 struct acpi_table_mpam {
1524 	struct acpi_table_header header;	/* Common ACPI table header */
1525 };
1526 
1527 /*******************************************************************************
1528  *
1529  * MPST - Memory Power State Table (ACPI 5.0)
1530  *        Version 1
1531  *
1532  ******************************************************************************/
1533 
1534 #define ACPI_MPST_CHANNEL_INFO \
1535 	u8                              channel_id; \
1536 	u8                              reserved1[3]; \
1537 	u16                             power_node_count; \
1538 	u16                             reserved2;
1539 
1540 /* Main table */
1541 
1542 struct acpi_table_mpst {
1543 	struct acpi_table_header header;	/* Common ACPI table header */
1544 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1545 };
1546 
1547 /* Memory Platform Communication Channel Info */
1548 
1549 struct acpi_mpst_channel {
1550 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1551 };
1552 
1553 /* Memory Power Node Structure */
1554 
1555 struct acpi_mpst_power_node {
1556 	u8 flags;
1557 	u8 reserved1;
1558 	u16 node_id;
1559 	u32 length;
1560 	u64 range_address;
1561 	u64 range_length;
1562 	u32 num_power_states;
1563 	u32 num_physical_components;
1564 };
1565 
1566 /* Values for Flags field above */
1567 
1568 #define ACPI_MPST_ENABLED               1
1569 #define ACPI_MPST_POWER_MANAGED         2
1570 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1571 
1572 /* Memory Power State Structure (follows POWER_NODE above) */
1573 
1574 struct acpi_mpst_power_state {
1575 	u8 power_state;
1576 	u8 info_index;
1577 };
1578 
1579 /* Physical Component ID Structure (follows POWER_STATE above) */
1580 
1581 struct acpi_mpst_component {
1582 	u16 component_id;
1583 };
1584 
1585 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1586 
1587 struct acpi_mpst_data_hdr {
1588 	u16 characteristics_count;
1589 	u16 reserved;
1590 };
1591 
1592 struct acpi_mpst_power_data {
1593 	u8 structure_id;
1594 	u8 flags;
1595 	u16 reserved1;
1596 	u32 average_power;
1597 	u32 power_saving;
1598 	u64 exit_latency;
1599 	u64 reserved2;
1600 };
1601 
1602 /* Values for Flags field above */
1603 
1604 #define ACPI_MPST_PRESERVE              1
1605 #define ACPI_MPST_AUTOENTRY             2
1606 #define ACPI_MPST_AUTOEXIT              4
1607 
1608 /* Shared Memory Region (not part of an ACPI table) */
1609 
1610 struct acpi_mpst_shared {
1611 	u32 signature;
1612 	u16 pcc_command;
1613 	u16 pcc_status;
1614 	u32 command_register;
1615 	u32 status_register;
1616 	u32 power_state_id;
1617 	u32 power_node_id;
1618 	u64 energy_consumed;
1619 	u64 average_power;
1620 };
1621 
1622 /*******************************************************************************
1623  *
1624  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1625  *        Version 1
1626  *
1627  ******************************************************************************/
1628 
1629 struct acpi_table_msct {
1630 	struct acpi_table_header header;	/* Common ACPI table header */
1631 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1632 	u32 max_proximity_domains;	/* Max number of proximity domains */
1633 	u32 max_clock_domains;	/* Max number of clock domains */
1634 	u64 max_address;	/* Max physical address in system */
1635 };
1636 
1637 /* subtable - Maximum Proximity Domain Information. Version 1 */
1638 
1639 struct acpi_msct_proximity {
1640 	u8 revision;
1641 	u8 length;
1642 	u32 range_start;	/* Start of domain range */
1643 	u32 range_end;		/* End of domain range */
1644 	u32 processor_capacity;
1645 	u64 memory_capacity;	/* In bytes */
1646 };
1647 
1648 /*******************************************************************************
1649  *
1650  * MSDM - Microsoft Data Management table
1651  *
1652  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1653  * November 29, 2011. Copyright 2011 Microsoft
1654  *
1655  ******************************************************************************/
1656 
1657 /* Basic MSDM table is only the common ACPI header */
1658 
1659 struct acpi_table_msdm {
1660 	struct acpi_table_header header;	/* Common ACPI table header */
1661 };
1662 
1663 /*******************************************************************************
1664  *
1665  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1666  *        Version 1
1667  *
1668  ******************************************************************************/
1669 
1670 struct acpi_table_nfit {
1671 	struct acpi_table_header header;	/* Common ACPI table header */
1672 	u32 reserved;		/* Reserved, must be zero */
1673 };
1674 
1675 /* Subtable header for NFIT */
1676 
1677 struct acpi_nfit_header {
1678 	u16 type;
1679 	u16 length;
1680 };
1681 
1682 /* Values for subtable type in struct acpi_nfit_header */
1683 
1684 enum acpi_nfit_type {
1685 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1686 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1687 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1688 	ACPI_NFIT_TYPE_SMBIOS = 3,
1689 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1690 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1691 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1692 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1693 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1694 };
1695 
1696 /*
1697  * NFIT Subtables
1698  */
1699 
1700 /* 0: System Physical Address Range Structure */
1701 
1702 struct acpi_nfit_system_address {
1703 	struct acpi_nfit_header header;
1704 	u16 range_index;
1705 	u16 flags;
1706 	u32 reserved;		/* Reserved, must be zero */
1707 	u32 proximity_domain;
1708 	u8 range_guid[16];
1709 	u64 address;
1710 	u64 length;
1711 	u64 memory_mapping;
1712 	u64 location_cookie;	/* ACPI 6.4 */
1713 };
1714 
1715 /* Flags */
1716 
1717 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1718 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1719 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1720 
1721 /* Range Type GUIDs appear in the include/acuuid.h file */
1722 
1723 /* 1: Memory Device to System Address Range Map Structure */
1724 
1725 struct acpi_nfit_memory_map {
1726 	struct acpi_nfit_header header;
1727 	u32 device_handle;
1728 	u16 physical_id;
1729 	u16 region_id;
1730 	u16 range_index;
1731 	u16 region_index;
1732 	u64 region_size;
1733 	u64 region_offset;
1734 	u64 address;
1735 	u16 interleave_index;
1736 	u16 interleave_ways;
1737 	u16 flags;
1738 	u16 reserved;		/* Reserved, must be zero */
1739 };
1740 
1741 /* Flags */
1742 
1743 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1744 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1745 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1746 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1747 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1748 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1749 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1750 
1751 /* 2: Interleave Structure */
1752 
1753 struct acpi_nfit_interleave {
1754 	struct acpi_nfit_header header;
1755 	u16 interleave_index;
1756 	u16 reserved;		/* Reserved, must be zero */
1757 	u32 line_count;
1758 	u32 line_size;
1759 	u32 line_offset[];	/* Variable length */
1760 };
1761 
1762 /* 3: SMBIOS Management Information Structure */
1763 
1764 struct acpi_nfit_smbios {
1765 	struct acpi_nfit_header header;
1766 	u32 reserved;		/* Reserved, must be zero */
1767 	u8 data[];		/* Variable length */
1768 };
1769 
1770 /* 4: NVDIMM Control Region Structure */
1771 
1772 struct acpi_nfit_control_region {
1773 	struct acpi_nfit_header header;
1774 	u16 region_index;
1775 	u16 vendor_id;
1776 	u16 device_id;
1777 	u16 revision_id;
1778 	u16 subsystem_vendor_id;
1779 	u16 subsystem_device_id;
1780 	u16 subsystem_revision_id;
1781 	u8 valid_fields;
1782 	u8 manufacturing_location;
1783 	u16 manufacturing_date;
1784 	u8 reserved[2];		/* Reserved, must be zero */
1785 	u32 serial_number;
1786 	u16 code;
1787 	u16 windows;
1788 	u64 window_size;
1789 	u64 command_offset;
1790 	u64 command_size;
1791 	u64 status_offset;
1792 	u64 status_size;
1793 	u16 flags;
1794 	u8 reserved1[6];	/* Reserved, must be zero */
1795 };
1796 
1797 /* Flags */
1798 
1799 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1800 
1801 /* valid_fields bits */
1802 
1803 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1804 
1805 /* 5: NVDIMM Block Data Window Region Structure */
1806 
1807 struct acpi_nfit_data_region {
1808 	struct acpi_nfit_header header;
1809 	u16 region_index;
1810 	u16 windows;
1811 	u64 offset;
1812 	u64 size;
1813 	u64 capacity;
1814 	u64 start_address;
1815 };
1816 
1817 /* 6: Flush Hint Address Structure */
1818 
1819 struct acpi_nfit_flush_address {
1820 	struct acpi_nfit_header header;
1821 	u32 device_handle;
1822 	u16 hint_count;
1823 	u8 reserved[6];		/* Reserved, must be zero */
1824 	u64 hint_address[];	/* Variable length */
1825 };
1826 
1827 /* 7: Platform Capabilities Structure */
1828 
1829 struct acpi_nfit_capabilities {
1830 	struct acpi_nfit_header header;
1831 	u8 highest_capability;
1832 	u8 reserved[3];		/* Reserved, must be zero */
1833 	u32 capabilities;
1834 	u32 reserved2;
1835 };
1836 
1837 /* Capabilities Flags */
1838 
1839 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1840 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1841 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1842 
1843 /*
1844  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1845  */
1846 struct nfit_device_handle {
1847 	u32 handle;
1848 };
1849 
1850 /* Device handle construction and extraction macros */
1851 
1852 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1853 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1854 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1855 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1856 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1857 
1858 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1859 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1860 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1861 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1862 #define ACPI_NFIT_NODE_ID_OFFSET                16
1863 
1864 /* Macro to construct a NFIT/NVDIMM device handle */
1865 
1866 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1867 	((dimm)                                         | \
1868 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1869 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1870 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1871 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1872 
1873 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1874 
1875 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1876 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1877 
1878 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1879 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1880 
1881 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1882 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1883 
1884 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1885 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1886 
1887 #define ACPI_NFIT_GET_NODE_ID(handle) \
1888 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1889 
1890 /*******************************************************************************
1891  *
1892  * NHLT - Non HD Audio Link Table
1893  *
1894  * Conforms to: Intel Smart Sound Technology NHLT Specification
1895  * Version 0.8.1, January 2020.
1896  *
1897  ******************************************************************************/
1898 
1899 /* Main table */
1900 
1901 struct acpi_table_nhlt {
1902 	struct acpi_table_header header;	/* Common ACPI table header */
1903 	u8 endpoint_count;
1904 };
1905 
1906 struct acpi_nhlt_endpoint {
1907 	u32 descriptor_length;
1908 	u8 link_type;
1909 	u8 instance_id;
1910 	u16 vendor_id;
1911 	u16 device_id;
1912 	u16 revision_id;
1913 	u32 subsystem_id;
1914 	u8 device_type;
1915 	u8 direction;
1916 	u8 virtual_bus_id;
1917 };
1918 
1919 /* Types for link_type field above */
1920 
1921 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1922 #define ACPI_NHLT_RESERVED_DSP              1
1923 #define ACPI_NHLT_PDM                       2
1924 #define ACPI_NHLT_SSP                       3
1925 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1926 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1927 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1928 
1929 /* All other values above are reserved */
1930 
1931 /* Values for device_id field above */
1932 
1933 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1934 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1935 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1936 
1937 /* Values for device_type field above */
1938 
1939 /* SSP Link */
1940 
1941 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1942 #define ACPI_NHLT_LINK_FM                   1
1943 #define ACPI_NHLT_LINK_MODEM                2
1944 /* 3 is reserved */
1945 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1946 
1947 /* PDM Link */
1948 
1949 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1950 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1951 
1952 /* Values for Direction field above */
1953 
1954 #define ACPI_NHLT_DIR_RENDER                0
1955 #define ACPI_NHLT_DIR_CAPTURE               1
1956 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1957 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1958 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1959 
1960 struct acpi_nhlt_device_specific_config {
1961 	u32 capabilities_size;
1962 	u8 virtual_slot;
1963 	u8 config_type;
1964 };
1965 
1966 struct acpi_nhlt_device_specific_config_a {
1967 	u32 capabilities_size;
1968 	u8 virtual_slot;
1969 	u8 config_type;
1970 	u8 array_type;
1971 };
1972 
1973 /* Values for Config Type above */
1974 
1975 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1976 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1977 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1978 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1979 
1980 struct acpi_nhlt_device_specific_config_b {
1981 	u32 capabilities_size;
1982 };
1983 
1984 struct acpi_nhlt_device_specific_config_c {
1985 	u32 capabilities_size;
1986 	u8 virtual_slot;
1987 };
1988 
1989 struct acpi_nhlt_render_device_specific_config {
1990 	u32 capabilities_size;
1991 	u8 virtual_slot;
1992 };
1993 
1994 struct acpi_nhlt_wave_extensible {
1995 	u16 format_tag;
1996 	u16 channel_count;
1997 	u32 samples_per_sec;
1998 	u32 avg_bytes_per_sec;
1999 	u16 block_align;
2000 	u16 bits_per_sample;
2001 	u16 extra_format_size;
2002 	u16 valid_bits_per_sample;
2003 	u32 channel_mask;
2004 	u8 sub_format_guid[16];
2005 };
2006 
2007 /* Values for channel_mask above */
2008 
2009 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
2010 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
2011 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
2012 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
2013 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
2014 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
2015 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
2016 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
2017 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
2018 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
2019 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
2020 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
2021 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
2022 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
2023 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
2024 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
2025 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
2026 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
2027 
2028 struct acpi_nhlt_format_config {
2029 	struct acpi_nhlt_wave_extensible format;
2030 	u32 capability_size;
2031 	u8 capabilities[];
2032 };
2033 
2034 struct acpi_nhlt_formats_config {
2035 	u8 formats_count;
2036 };
2037 
2038 struct acpi_nhlt_device_specific_hdr {
2039 	u8 virtual_slot;
2040 	u8 config_type;
2041 };
2042 
2043 /* Types for config_type above */
2044 
2045 #define ACPI_NHLT_GENERIC                   0
2046 #define ACPI_NHLT_MIC                       1
2047 #define ACPI_NHLT_RENDER                    3
2048 
2049 struct acpi_nhlt_mic_device_specific_config {
2050 	struct acpi_nhlt_device_specific_hdr device_config;
2051 	u8 array_type_ext;
2052 };
2053 
2054 /* Values for array_type_ext above */
2055 
2056 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
2057 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
2058 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
2059 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
2060 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
2061 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
2062 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
2063 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
2064 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
2065 
2066 #define ACPI_NHLT_NO_EXTENSION                      0x0
2067 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
2068 
2069 struct acpi_nhlt_vendor_mic_count {
2070 	u8 microphone_count;
2071 };
2072 
2073 struct acpi_nhlt_vendor_mic_config {
2074 	u8 type;
2075 	u8 panel;
2076 	u16 speaker_position_distance;	/* mm */
2077 	u16 horizontal_offset;	/* mm */
2078 	u16 vertical_offset;	/* mm */
2079 	u8 frequency_low_band;	/* 5*Hz */
2080 	u8 frequency_high_band;	/* 500*Hz */
2081 	u16 direction_angle;	/* -180 - + 180 */
2082 	u16 elevation_angle;	/* -180 - + 180 */
2083 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
2084 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
2085 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
2086 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
2087 };
2088 
2089 /* Values for Type field above */
2090 
2091 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
2092 #define ACPI_NHLT_MIC_SUBCARDIOID           1
2093 #define ACPI_NHLT_MIC_CARDIOID              2
2094 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
2095 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
2096 #define ACPI_NHLT_MIC_8_SHAPED              5
2097 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
2098 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
2099 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
2100 
2101 /* Values for Panel field above */
2102 
2103 #define ACPI_NHLT_MIC_POSITION_TOP          0
2104 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
2105 #define ACPI_NHLT_MIC_POSITION_LEFT         2
2106 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
2107 #define ACPI_NHLT_MIC_POSITION_FRONT        4
2108 #define ACPI_NHLT_MIC_POSITION_BACK         5
2109 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
2110 
2111 struct acpi_nhlt_vendor_mic_device_specific_config {
2112 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
2113 	u8 number_of_microphones;
2114 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
2115 };
2116 
2117 /* Microphone SNR and Sensitivity extension */
2118 
2119 struct acpi_nhlt_mic_snr_sensitivity_extension {
2120 	u32 SNR;
2121 	u32 sensitivity;
2122 };
2123 
2124 /* Render device with feedback */
2125 
2126 struct acpi_nhlt_render_feedback_device_specific_config {
2127 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
2128 	u16 feedback_channels;	/* Informative only */
2129 	u16 feedback_valid_bits_per_sample;
2130 };
2131 
2132 /* Non documented structures */
2133 
2134 struct acpi_nhlt_device_info_count {
2135 	u8 structure_count;
2136 };
2137 
2138 struct acpi_nhlt_device_info {
2139 	u8 device_id[16];
2140 	u8 device_instance_id;
2141 	u8 device_port_id;
2142 };
2143 
2144 /*******************************************************************************
2145  *
2146  * PCCT - Platform Communications Channel Table (ACPI 5.0)
2147  *        Version 2 (ACPI 6.2)
2148  *
2149  ******************************************************************************/
2150 
2151 struct acpi_table_pcct {
2152 	struct acpi_table_header header;	/* Common ACPI table header */
2153 	u32 flags;
2154 	u64 reserved;
2155 };
2156 
2157 /* Values for Flags field above */
2158 
2159 #define ACPI_PCCT_DOORBELL              1
2160 
2161 /* Values for subtable type in struct acpi_subtable_header */
2162 
2163 enum acpi_pcct_type {
2164 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2165 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2166 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
2167 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
2168 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
2169 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
2170 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
2171 };
2172 
2173 /*
2174  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2175  */
2176 
2177 /* 0: Generic Communications Subspace */
2178 
2179 struct acpi_pcct_subspace {
2180 	struct acpi_subtable_header header;
2181 	u8 reserved[6];
2182 	u64 base_address;
2183 	u64 length;
2184 	struct acpi_generic_address doorbell_register;
2185 	u64 preserve_mask;
2186 	u64 write_mask;
2187 	u32 latency;
2188 	u32 max_access_rate;
2189 	u16 min_turnaround_time;
2190 };
2191 
2192 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2193 
2194 struct acpi_pcct_hw_reduced {
2195 	struct acpi_subtable_header header;
2196 	u32 platform_interrupt;
2197 	u8 flags;
2198 	u8 reserved;
2199 	u64 base_address;
2200 	u64 length;
2201 	struct acpi_generic_address doorbell_register;
2202 	u64 preserve_mask;
2203 	u64 write_mask;
2204 	u32 latency;
2205 	u32 max_access_rate;
2206 	u16 min_turnaround_time;
2207 };
2208 
2209 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2210 
2211 struct acpi_pcct_hw_reduced_type2 {
2212 	struct acpi_subtable_header header;
2213 	u32 platform_interrupt;
2214 	u8 flags;
2215 	u8 reserved;
2216 	u64 base_address;
2217 	u64 length;
2218 	struct acpi_generic_address doorbell_register;
2219 	u64 preserve_mask;
2220 	u64 write_mask;
2221 	u32 latency;
2222 	u32 max_access_rate;
2223 	u16 min_turnaround_time;
2224 	struct acpi_generic_address platform_ack_register;
2225 	u64 ack_preserve_mask;
2226 	u64 ack_write_mask;
2227 };
2228 
2229 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2230 
2231 struct acpi_pcct_ext_pcc_master {
2232 	struct acpi_subtable_header header;
2233 	u32 platform_interrupt;
2234 	u8 flags;
2235 	u8 reserved1;
2236 	u64 base_address;
2237 	u32 length;
2238 	struct acpi_generic_address doorbell_register;
2239 	u64 preserve_mask;
2240 	u64 write_mask;
2241 	u32 latency;
2242 	u32 max_access_rate;
2243 	u32 min_turnaround_time;
2244 	struct acpi_generic_address platform_ack_register;
2245 	u64 ack_preserve_mask;
2246 	u64 ack_set_mask;
2247 	u64 reserved2;
2248 	struct acpi_generic_address cmd_complete_register;
2249 	u64 cmd_complete_mask;
2250 	struct acpi_generic_address cmd_update_register;
2251 	u64 cmd_update_preserve_mask;
2252 	u64 cmd_update_set_mask;
2253 	struct acpi_generic_address error_status_register;
2254 	u64 error_status_mask;
2255 };
2256 
2257 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2258 
2259 struct acpi_pcct_ext_pcc_slave {
2260 	struct acpi_subtable_header header;
2261 	u32 platform_interrupt;
2262 	u8 flags;
2263 	u8 reserved1;
2264 	u64 base_address;
2265 	u32 length;
2266 	struct acpi_generic_address doorbell_register;
2267 	u64 preserve_mask;
2268 	u64 write_mask;
2269 	u32 latency;
2270 	u32 max_access_rate;
2271 	u32 min_turnaround_time;
2272 	struct acpi_generic_address platform_ack_register;
2273 	u64 ack_preserve_mask;
2274 	u64 ack_set_mask;
2275 	u64 reserved2;
2276 	struct acpi_generic_address cmd_complete_register;
2277 	u64 cmd_complete_mask;
2278 	struct acpi_generic_address cmd_update_register;
2279 	u64 cmd_update_preserve_mask;
2280 	u64 cmd_update_set_mask;
2281 	struct acpi_generic_address error_status_register;
2282 	u64 error_status_mask;
2283 };
2284 
2285 /* 5: HW Registers based Communications Subspace */
2286 
2287 struct acpi_pcct_hw_reg {
2288 	struct acpi_subtable_header header;
2289 	u16 version;
2290 	u64 base_address;
2291 	u64 length;
2292 	struct acpi_generic_address doorbell_register;
2293 	u64 doorbell_preserve;
2294 	u64 doorbell_write;
2295 	struct acpi_generic_address cmd_complete_register;
2296 	u64 cmd_complete_mask;
2297 	struct acpi_generic_address error_status_register;
2298 	u64 error_status_mask;
2299 	u32 nominal_latency;
2300 	u32 min_turnaround_time;
2301 };
2302 
2303 /* Values for doorbell flags above */
2304 
2305 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2306 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2307 
2308 /*
2309  * PCC memory structures (not part of the ACPI table)
2310  */
2311 
2312 /* Shared Memory Region */
2313 
2314 struct acpi_pcct_shared_memory {
2315 	u32 signature;
2316 	u16 command;
2317 	u16 status;
2318 };
2319 
2320 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2321 
2322 struct acpi_pcct_ext_pcc_shared_memory {
2323 	u32 signature;
2324 	u32 flags;
2325 	u32 length;
2326 	u32 command;
2327 };
2328 
2329 /*******************************************************************************
2330  *
2331  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2332  *        Version 0
2333  *
2334  ******************************************************************************/
2335 
2336 struct acpi_table_pdtt {
2337 	struct acpi_table_header header;	/* Common ACPI table header */
2338 	u8 trigger_count;
2339 	u8 reserved[3];
2340 	u32 array_offset;
2341 };
2342 
2343 /*
2344  * PDTT Communication Channel Identifier Structure.
2345  * The number of these structures is defined by trigger_count above,
2346  * starting at array_offset.
2347  */
2348 struct acpi_pdtt_channel {
2349 	u8 subchannel_id;
2350 	u8 flags;
2351 };
2352 
2353 /* Flags for above */
2354 
2355 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2356 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2357 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2358 
2359 /*******************************************************************************
2360  *
2361  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2362  *        Version 1
2363  *
2364  ******************************************************************************/
2365 
2366 struct acpi_table_phat {
2367 	struct acpi_table_header header;	/* Common ACPI table header */
2368 };
2369 
2370 /* Common header for PHAT subtables that follow main table */
2371 
2372 struct acpi_phat_header {
2373 	u16 type;
2374 	u16 length;
2375 	u8 revision;
2376 };
2377 
2378 /* Values for Type field above */
2379 
2380 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2381 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2382 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2383 
2384 /*
2385  * PHAT subtables, correspond to Type in struct acpi_phat_header
2386  */
2387 
2388 /* 0: Firmware Version Data Record */
2389 
2390 struct acpi_phat_version_data {
2391 	struct acpi_phat_header header;
2392 	u8 reserved[3];
2393 	u32 element_count;
2394 };
2395 
2396 struct acpi_phat_version_element {
2397 	u8 guid[16];
2398 	u64 version_value;
2399 	u32 producer_id;
2400 };
2401 
2402 /* 1: Firmware Health Data Record */
2403 
2404 struct acpi_phat_health_data {
2405 	struct acpi_phat_header header;
2406 	u8 reserved[2];
2407 	u8 health;
2408 	u8 device_guid[16];
2409 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2410 };
2411 
2412 /* Values for Health field above */
2413 
2414 #define ACPI_PHAT_ERRORS_FOUND          0
2415 #define ACPI_PHAT_NO_ERRORS             1
2416 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2417 #define ACPI_PHAT_ADVISORY              3
2418 
2419 /*******************************************************************************
2420  *
2421  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2422  *        Version 1
2423  *
2424  ******************************************************************************/
2425 
2426 struct acpi_table_pmtt {
2427 	struct acpi_table_header header;	/* Common ACPI table header */
2428 	u32 memory_device_count;
2429 	/*
2430 	 * Immediately followed by:
2431 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2432 	 */
2433 };
2434 
2435 /* Common header for PMTT subtables that follow main table */
2436 
2437 struct acpi_pmtt_header {
2438 	u8 type;
2439 	u8 reserved1;
2440 	u16 length;
2441 	u16 flags;
2442 	u16 reserved2;
2443 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2444 	/*
2445 	 * Immediately followed by:
2446 	 * u8 type_specific_data[]
2447 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2448 	 */
2449 };
2450 
2451 /* Values for Type field above */
2452 
2453 #define ACPI_PMTT_TYPE_SOCKET           0
2454 #define ACPI_PMTT_TYPE_CONTROLLER       1
2455 #define ACPI_PMTT_TYPE_DIMM             2
2456 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2457 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2458 
2459 /* Values for Flags field above */
2460 
2461 #define ACPI_PMTT_TOP_LEVEL             0x0001
2462 #define ACPI_PMTT_PHYSICAL              0x0002
2463 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2464 
2465 /*
2466  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2467  */
2468 
2469 /* 0: Socket Structure */
2470 
2471 struct acpi_pmtt_socket {
2472 	struct acpi_pmtt_header header;
2473 	u16 socket_id;
2474 	u16 reserved;
2475 };
2476 	/*
2477 	 * Immediately followed by:
2478 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2479 	 */
2480 
2481 /* 1: Memory Controller subtable */
2482 
2483 struct acpi_pmtt_controller {
2484 	struct acpi_pmtt_header header;
2485 	u16 controller_id;
2486 	u16 reserved;
2487 };
2488 	/*
2489 	 * Immediately followed by:
2490 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2491 	 */
2492 
2493 /* 2: Physical Component Identifier (DIMM) */
2494 
2495 struct acpi_pmtt_physical_component {
2496 	struct acpi_pmtt_header header;
2497 	u32 bios_handle;
2498 };
2499 
2500 /* 0xFF: Vendor Specific Data */
2501 
2502 struct acpi_pmtt_vendor_specific {
2503 	struct acpi_pmtt_header header;
2504 	u8 type_uuid[16];
2505 	u8 specific[];
2506 	/*
2507 	 * Immediately followed by:
2508 	 * u8 vendor_specific_data[];
2509 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2510 	 */
2511 };
2512 
2513 /*******************************************************************************
2514  *
2515  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2516  *        Version 1
2517  *
2518  ******************************************************************************/
2519 
2520 struct acpi_table_pptt {
2521 	struct acpi_table_header header;	/* Common ACPI table header */
2522 };
2523 
2524 /* Values for Type field above */
2525 
2526 enum acpi_pptt_type {
2527 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2528 	ACPI_PPTT_TYPE_CACHE = 1,
2529 	ACPI_PPTT_TYPE_ID = 2,
2530 	ACPI_PPTT_TYPE_RESERVED = 3
2531 };
2532 
2533 /* 0: Processor Hierarchy Node Structure */
2534 
2535 struct acpi_pptt_processor {
2536 	struct acpi_subtable_header header;
2537 	u16 reserved;
2538 	u32 flags;
2539 	u32 parent;
2540 	u32 acpi_processor_id;
2541 	u32 number_of_priv_resources;
2542 };
2543 
2544 /* Flags */
2545 
2546 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2547 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2548 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2549 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2550 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2551 
2552 /* 1: Cache Type Structure */
2553 
2554 struct acpi_pptt_cache {
2555 	struct acpi_subtable_header header;
2556 	u16 reserved;
2557 	u32 flags;
2558 	u32 next_level_of_cache;
2559 	u32 size;
2560 	u32 number_of_sets;
2561 	u8 associativity;
2562 	u8 attributes;
2563 	u16 line_size;
2564 };
2565 
2566 /* 1: Cache Type Structure for PPTT version 3 */
2567 
2568 struct acpi_pptt_cache_v1 {
2569 	u32 cache_id;
2570 };
2571 
2572 /* Flags */
2573 
2574 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2575 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2576 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2577 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2578 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2579 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2580 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2581 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2582 
2583 /* Masks for Attributes */
2584 
2585 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2586 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2587 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2588 
2589 /* Attributes describing cache */
2590 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2591 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2592 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2593 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2594 
2595 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2596 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2597 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2598 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2599 
2600 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2601 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2602 
2603 /* 2: ID Structure */
2604 
2605 struct acpi_pptt_id {
2606 	struct acpi_subtable_header header;
2607 	u16 reserved;
2608 	u32 vendor_id;
2609 	u64 level1_id;
2610 	u64 level2_id;
2611 	u16 major_rev;
2612 	u16 minor_rev;
2613 	u16 spin_rev;
2614 };
2615 
2616 /*******************************************************************************
2617  *
2618  * PRMT - Platform Runtime Mechanism Table
2619  *        Version 1
2620  *
2621  ******************************************************************************/
2622 
2623 struct acpi_table_prmt {
2624 	struct acpi_table_header header;	/* Common ACPI table header */
2625 };
2626 
2627 struct acpi_table_prmt_header {
2628 	u8 platform_guid[16];
2629 	u32 module_info_offset;
2630 	u32 module_info_count;
2631 };
2632 
2633 struct acpi_prmt_module_header {
2634 	u16 revision;
2635 	u16 length;
2636 };
2637 
2638 struct acpi_prmt_module_info {
2639 	u16 revision;
2640 	u16 length;
2641 	u8 module_guid[16];
2642 	u16 major_rev;
2643 	u16 minor_rev;
2644 	u16 handler_info_count;
2645 	u32 handler_info_offset;
2646 	u64 mmio_list_pointer;
2647 };
2648 
2649 struct acpi_prmt_handler_info {
2650 	u16 revision;
2651 	u16 length;
2652 	u8 handler_guid[16];
2653 	u64 handler_address;
2654 	u64 static_data_buffer_address;
2655 	u64 acpi_param_buffer_address;
2656 };
2657 
2658 /*******************************************************************************
2659  *
2660  * RASF - RAS Feature Table (ACPI 5.0)
2661  *        Version 1
2662  *
2663  ******************************************************************************/
2664 
2665 struct acpi_table_rasf {
2666 	struct acpi_table_header header;	/* Common ACPI table header */
2667 	u8 channel_id[12];
2668 };
2669 
2670 /* RASF Platform Communication Channel Shared Memory Region */
2671 
2672 struct acpi_rasf_shared_memory {
2673 	u32 signature;
2674 	u16 command;
2675 	u16 status;
2676 	u16 version;
2677 	u8 capabilities[16];
2678 	u8 set_capabilities[16];
2679 	u16 num_parameter_blocks;
2680 	u32 set_capabilities_status;
2681 };
2682 
2683 /* RASF Parameter Block Structure Header */
2684 
2685 struct acpi_rasf_parameter_block {
2686 	u16 type;
2687 	u16 version;
2688 	u16 length;
2689 };
2690 
2691 /* RASF Parameter Block Structure for PATROL_SCRUB */
2692 
2693 struct acpi_rasf_patrol_scrub_parameter {
2694 	struct acpi_rasf_parameter_block header;
2695 	u16 patrol_scrub_command;
2696 	u64 requested_address_range[2];
2697 	u64 actual_address_range[2];
2698 	u16 flags;
2699 	u8 requested_speed;
2700 };
2701 
2702 /* Masks for Flags and Speed fields above */
2703 
2704 #define ACPI_RASF_SCRUBBER_RUNNING      1
2705 #define ACPI_RASF_SPEED                 (7<<1)
2706 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2707 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2708 #define ACPI_RASF_SPEED_FAST            (7<<1)
2709 
2710 /* Channel Commands */
2711 
2712 enum acpi_rasf_commands {
2713 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2714 };
2715 
2716 /* Platform RAS Capabilities */
2717 
2718 enum acpi_rasf_capabiliities {
2719 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2720 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2721 };
2722 
2723 /* Patrol Scrub Commands */
2724 
2725 enum acpi_rasf_patrol_scrub_commands {
2726 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2727 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2728 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2729 };
2730 
2731 /* Channel Command flags */
2732 
2733 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2734 
2735 /* Status values */
2736 
2737 enum acpi_rasf_status {
2738 	ACPI_RASF_SUCCESS = 0,
2739 	ACPI_RASF_NOT_VALID = 1,
2740 	ACPI_RASF_NOT_SUPPORTED = 2,
2741 	ACPI_RASF_BUSY = 3,
2742 	ACPI_RASF_FAILED = 4,
2743 	ACPI_RASF_ABORTED = 5,
2744 	ACPI_RASF_INVALID_DATA = 6
2745 };
2746 
2747 /* Status flags */
2748 
2749 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2750 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2751 #define ACPI_RASF_ERROR                 (1<<2)
2752 #define ACPI_RASF_STATUS                (0x1F<<3)
2753 
2754 /*******************************************************************************
2755  *
2756  * RGRT - Regulatory Graphics Resource Table
2757  *        Version 1
2758  *
2759  * Conforms to "ACPI RGRT" available at:
2760  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2761  *
2762  ******************************************************************************/
2763 
2764 struct acpi_table_rgrt {
2765 	struct acpi_table_header header;	/* Common ACPI table header */
2766 	u16 version;
2767 	u8 image_type;
2768 	u8 reserved;
2769 	u8 image[];
2770 };
2771 
2772 /* image_type values */
2773 
2774 enum acpi_rgrt_image_type {
2775 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2776 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2777 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2778 };
2779 
2780 /*******************************************************************************
2781  *
2782  * RHCT - RISC-V Hart Capabilities Table
2783  *        Version 1
2784  *
2785  ******************************************************************************/
2786 
2787 struct acpi_table_rhct {
2788 	struct acpi_table_header header;	/* Common ACPI table header */
2789 	u32 flags;		/* RHCT flags */
2790 	u64 time_base_freq;
2791 	u32 node_count;
2792 	u32 node_offset;
2793 };
2794 
2795 /* RHCT Flags */
2796 
2797 #define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU       (1)
2798 /*
2799  * RHCT subtables
2800  */
2801 struct acpi_rhct_node_header {
2802 	u16 type;
2803 	u16 length;
2804 	u16 revision;
2805 };
2806 
2807 /* Values for RHCT subtable Type above */
2808 
2809 enum acpi_rhct_node_type {
2810 	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
2811 	ACPI_RHCT_NODE_TYPE_CMO = 0x0001,
2812 	ACPI_RHCT_NODE_TYPE_MMU = 0x0002,
2813 	ACPI_RHCT_NODE_TYPE_RESERVED = 0x0003,
2814 	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
2815 };
2816 
2817 /*
2818  * RHCT node specific subtables
2819  */
2820 
2821 /* ISA string node structure */
2822 struct acpi_rhct_isa_string {
2823 	u16 isa_length;
2824 	char isa[];
2825 };
2826 
2827 struct acpi_rhct_cmo_node {
2828 	u8 reserved;		/* Must be zero */
2829 	u8 cbom_size;		/* CBOM size in powerof 2 */
2830 	u8 cbop_size;		/* CBOP size in powerof 2 */
2831 	u8 cboz_size;		/* CBOZ size in powerof 2 */
2832 };
2833 
2834 struct acpi_rhct_mmu_node {
2835 	u8 reserved;		/* Must be zero */
2836 	u8 mmu_type;		/* Virtual Address Scheme */
2837 };
2838 
2839 enum acpi_rhct_mmu_type {
2840 	ACPI_RHCT_MMU_TYPE_SV39 = 0,
2841 	ACPI_RHCT_MMU_TYPE_SV48 = 1,
2842 	ACPI_RHCT_MMU_TYPE_SV57 = 2
2843 };
2844 
2845 /* Hart Info node structure */
2846 struct acpi_rhct_hart_info {
2847 	u16 num_offsets;
2848 	u32 uid;		/* ACPI processor UID */
2849 };
2850 
2851 /*******************************************************************************
2852  *
2853  * SBST - Smart Battery Specification Table
2854  *        Version 1
2855  *
2856  ******************************************************************************/
2857 
2858 struct acpi_table_sbst {
2859 	struct acpi_table_header header;	/* Common ACPI table header */
2860 	u32 warning_level;
2861 	u32 low_level;
2862 	u32 critical_level;
2863 };
2864 
2865 /*******************************************************************************
2866  *
2867  * SDEI - Software Delegated Exception Interface Descriptor Table
2868  *
2869  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2870  * May 8th, 2017. Copyright 2017 ARM Ltd.
2871  *
2872  ******************************************************************************/
2873 
2874 struct acpi_table_sdei {
2875 	struct acpi_table_header header;	/* Common ACPI table header */
2876 };
2877 
2878 /*******************************************************************************
2879  *
2880  * SDEV - Secure Devices Table (ACPI 6.2)
2881  *        Version 1
2882  *
2883  ******************************************************************************/
2884 
2885 struct acpi_table_sdev {
2886 	struct acpi_table_header header;	/* Common ACPI table header */
2887 };
2888 
2889 struct acpi_sdev_header {
2890 	u8 type;
2891 	u8 flags;
2892 	u16 length;
2893 };
2894 
2895 /* Values for subtable type above */
2896 
2897 enum acpi_sdev_type {
2898 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2899 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2900 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2901 };
2902 
2903 /* Values for flags above */
2904 
2905 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2906 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2907 
2908 /*
2909  * SDEV subtables
2910  */
2911 
2912 /* 0: Namespace Device Based Secure Device Structure */
2913 
2914 struct acpi_sdev_namespace {
2915 	struct acpi_sdev_header header;
2916 	u16 device_id_offset;
2917 	u16 device_id_length;
2918 	u16 vendor_data_offset;
2919 	u16 vendor_data_length;
2920 };
2921 
2922 struct acpi_sdev_secure_component {
2923 	u16 secure_component_offset;
2924 	u16 secure_component_length;
2925 };
2926 
2927 /*
2928  * SDEV sub-subtables ("Components") for above
2929  */
2930 struct acpi_sdev_component {
2931 	struct acpi_sdev_header header;
2932 };
2933 
2934 /* Values for sub-subtable type above */
2935 
2936 enum acpi_sac_type {
2937 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2938 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2939 };
2940 
2941 struct acpi_sdev_id_component {
2942 	struct acpi_sdev_header header;
2943 	u16 hardware_id_offset;
2944 	u16 hardware_id_length;
2945 	u16 subsystem_id_offset;
2946 	u16 subsystem_id_length;
2947 	u16 hardware_revision;
2948 	u8 hardware_rev_present;
2949 	u8 class_code_present;
2950 	u8 pci_base_class;
2951 	u8 pci_sub_class;
2952 	u8 pci_programming_xface;
2953 };
2954 
2955 struct acpi_sdev_mem_component {
2956 	struct acpi_sdev_header header;
2957 	u32 reserved;
2958 	u64 memory_base_address;
2959 	u64 memory_length;
2960 };
2961 
2962 /* 1: PCIe Endpoint Device Based Device Structure */
2963 
2964 struct acpi_sdev_pcie {
2965 	struct acpi_sdev_header header;
2966 	u16 segment;
2967 	u16 start_bus;
2968 	u16 path_offset;
2969 	u16 path_length;
2970 	u16 vendor_data_offset;
2971 	u16 vendor_data_length;
2972 };
2973 
2974 /* 1a: PCIe Endpoint path entry */
2975 
2976 struct acpi_sdev_pcie_path {
2977 	u8 device;
2978 	u8 function;
2979 };
2980 
2981 /*******************************************************************************
2982  *
2983  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2984  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2985  *        Trust Domain Extensions (Intel TDX)".
2986  *        Version 1
2987  *
2988  ******************************************************************************/
2989 
2990 struct acpi_table_svkl {
2991 	struct acpi_table_header header;	/* Common ACPI table header */
2992 	u32 count;
2993 };
2994 
2995 struct acpi_svkl_key {
2996 	u16 type;
2997 	u16 format;
2998 	u32 size;
2999 	u64 address;
3000 };
3001 
3002 enum acpi_svkl_type {
3003 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
3004 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
3005 };
3006 
3007 enum acpi_svkl_format {
3008 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
3009 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
3010 };
3011 
3012 /*******************************************************************************
3013  *
3014  * TDEL - TD-Event Log
3015  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3016  *        Trust Domain Extensions (Intel TDX)".
3017  *        September 2020
3018  *
3019  ******************************************************************************/
3020 
3021 struct acpi_table_tdel {
3022 	struct acpi_table_header header;	/* Common ACPI table header */
3023 	u32 reserved;
3024 	u64 log_area_minimum_length;
3025 	u64 log_area_start_address;
3026 };
3027 
3028 /* Reset to default packing */
3029 
3030 #pragma pack()
3031 
3032 #endif				/* __ACTBL2_H__ */
3033