xref: /openbmc/linux/include/acpi/actbl2.h (revision 0545810f)
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_RESERVED = 25,	/* 25 to 0x7F are reserved */
897 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
898 };
899 
900 /*
901  * MADT Subtables, correspond to Type in struct acpi_subtable_header
902  */
903 
904 /* 0: Processor Local APIC */
905 
906 struct acpi_madt_local_apic {
907 	struct acpi_subtable_header header;
908 	u8 processor_id;	/* ACPI processor id */
909 	u8 id;			/* Processor's local APIC id */
910 	u32 lapic_flags;
911 };
912 
913 /* 1: IO APIC */
914 
915 struct acpi_madt_io_apic {
916 	struct acpi_subtable_header header;
917 	u8 id;			/* I/O APIC ID */
918 	u8 reserved;		/* reserved - must be zero */
919 	u32 address;		/* APIC physical address */
920 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
921 };
922 
923 /* 2: Interrupt Override */
924 
925 struct acpi_madt_interrupt_override {
926 	struct acpi_subtable_header header;
927 	u8 bus;			/* 0 - ISA */
928 	u8 source_irq;		/* Interrupt source (IRQ) */
929 	u32 global_irq;		/* Global system interrupt */
930 	u16 inti_flags;
931 };
932 
933 /* 3: NMI Source */
934 
935 struct acpi_madt_nmi_source {
936 	struct acpi_subtable_header header;
937 	u16 inti_flags;
938 	u32 global_irq;		/* Global system interrupt */
939 };
940 
941 /* 4: Local APIC NMI */
942 
943 struct acpi_madt_local_apic_nmi {
944 	struct acpi_subtable_header header;
945 	u8 processor_id;	/* ACPI processor id */
946 	u16 inti_flags;
947 	u8 lint;		/* LINTn to which NMI is connected */
948 };
949 
950 /* 5: Address Override */
951 
952 struct acpi_madt_local_apic_override {
953 	struct acpi_subtable_header header;
954 	u16 reserved;		/* Reserved, must be zero */
955 	u64 address;		/* APIC physical address */
956 };
957 
958 /* 6: I/O Sapic */
959 
960 struct acpi_madt_io_sapic {
961 	struct acpi_subtable_header header;
962 	u8 id;			/* I/O SAPIC ID */
963 	u8 reserved;		/* Reserved, must be zero */
964 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
965 	u64 address;		/* SAPIC physical address */
966 };
967 
968 /* 7: Local Sapic */
969 
970 struct acpi_madt_local_sapic {
971 	struct acpi_subtable_header header;
972 	u8 processor_id;	/* ACPI processor id */
973 	u8 id;			/* SAPIC ID */
974 	u8 eid;			/* SAPIC EID */
975 	u8 reserved[3];		/* Reserved, must be zero */
976 	u32 lapic_flags;
977 	u32 uid;		/* Numeric UID - ACPI 3.0 */
978 	char uid_string[];	/* String UID  - ACPI 3.0 */
979 };
980 
981 /* 8: Platform Interrupt Source */
982 
983 struct acpi_madt_interrupt_source {
984 	struct acpi_subtable_header header;
985 	u16 inti_flags;
986 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
987 	u8 id;			/* Processor ID */
988 	u8 eid;			/* Processor EID */
989 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
990 	u32 global_irq;		/* Global system interrupt */
991 	u32 flags;		/* Interrupt Source Flags */
992 };
993 
994 /* Masks for Flags field above */
995 
996 #define ACPI_MADT_CPEI_OVERRIDE     (1)
997 
998 /* 9: Processor Local X2APIC (ACPI 4.0) */
999 
1000 struct acpi_madt_local_x2apic {
1001 	struct acpi_subtable_header header;
1002 	u16 reserved;		/* reserved - must be zero */
1003 	u32 local_apic_id;	/* Processor x2APIC ID  */
1004 	u32 lapic_flags;
1005 	u32 uid;		/* ACPI processor UID */
1006 };
1007 
1008 /* 10: Local X2APIC NMI (ACPI 4.0) */
1009 
1010 struct acpi_madt_local_x2apic_nmi {
1011 	struct acpi_subtable_header header;
1012 	u16 inti_flags;
1013 	u32 uid;		/* ACPI processor UID */
1014 	u8 lint;		/* LINTn to which NMI is connected */
1015 	u8 reserved[3];		/* reserved - must be zero */
1016 };
1017 
1018 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */
1019 
1020 struct acpi_madt_generic_interrupt {
1021 	struct acpi_subtable_header header;
1022 	u16 reserved;		/* reserved - must be zero */
1023 	u32 cpu_interface_number;
1024 	u32 uid;
1025 	u32 flags;
1026 	u32 parking_version;
1027 	u32 performance_interrupt;
1028 	u64 parked_address;
1029 	u64 base_address;
1030 	u64 gicv_base_address;
1031 	u64 gich_base_address;
1032 	u32 vgic_interrupt;
1033 	u64 gicr_base_address;
1034 	u64 arm_mpidr;
1035 	u8 efficiency_class;
1036 	u8 reserved2[1];
1037 	u16 spe_interrupt;	/* ACPI 6.3 */
1038 	u16 trbe_interrupt;	/* ACPI 6.5 */
1039 };
1040 
1041 /* Masks for Flags field above */
1042 
1043 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1044 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1045 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1046 
1047 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1048 
1049 struct acpi_madt_generic_distributor {
1050 	struct acpi_subtable_header header;
1051 	u16 reserved;		/* reserved - must be zero */
1052 	u32 gic_id;
1053 	u64 base_address;
1054 	u32 global_irq_base;
1055 	u8 version;
1056 	u8 reserved2[3];	/* reserved - must be zero */
1057 };
1058 
1059 /* Values for Version field above */
1060 
1061 enum acpi_madt_gic_version {
1062 	ACPI_MADT_GIC_VERSION_NONE = 0,
1063 	ACPI_MADT_GIC_VERSION_V1 = 1,
1064 	ACPI_MADT_GIC_VERSION_V2 = 2,
1065 	ACPI_MADT_GIC_VERSION_V3 = 3,
1066 	ACPI_MADT_GIC_VERSION_V4 = 4,
1067 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1068 };
1069 
1070 /* 13: Generic MSI Frame (ACPI 5.1) */
1071 
1072 struct acpi_madt_generic_msi_frame {
1073 	struct acpi_subtable_header header;
1074 	u16 reserved;		/* reserved - must be zero */
1075 	u32 msi_frame_id;
1076 	u64 base_address;
1077 	u32 flags;
1078 	u16 spi_count;
1079 	u16 spi_base;
1080 };
1081 
1082 /* Masks for Flags field above */
1083 
1084 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1085 
1086 /* 14: Generic Redistributor (ACPI 5.1) */
1087 
1088 struct acpi_madt_generic_redistributor {
1089 	struct acpi_subtable_header header;
1090 	u16 reserved;		/* reserved - must be zero */
1091 	u64 base_address;
1092 	u32 length;
1093 };
1094 
1095 /* 15: Generic Translator (ACPI 6.0) */
1096 
1097 struct acpi_madt_generic_translator {
1098 	struct acpi_subtable_header header;
1099 	u16 reserved;		/* reserved - must be zero */
1100 	u32 translation_id;
1101 	u64 base_address;
1102 	u32 reserved2;
1103 };
1104 
1105 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1106 
1107 struct acpi_madt_multiproc_wakeup {
1108 	struct acpi_subtable_header header;
1109 	u16 mailbox_version;
1110 	u32 reserved;		/* reserved - must be zero */
1111 	u64 base_address;
1112 };
1113 
1114 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1115 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1116 
1117 struct acpi_madt_multiproc_wakeup_mailbox {
1118 	u16 command;
1119 	u16 reserved;		/* reserved - must be zero */
1120 	u32 apic_id;
1121 	u64 wakeup_vector;
1122 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1123 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1124 };
1125 
1126 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1127 
1128 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1129 
1130 struct acpi_madt_core_pic {
1131 	struct acpi_subtable_header header;
1132 	u8 version;
1133 	u32 processor_id;
1134 	u32 core_id;
1135 	u32 flags;
1136 };
1137 
1138 /* Values for Version field above */
1139 
1140 enum acpi_madt_core_pic_version {
1141 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1142 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1143 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1144 };
1145 
1146 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1147 
1148 struct acpi_madt_lio_pic {
1149 	struct acpi_subtable_header header;
1150 	u8 version;
1151 	u64 address;
1152 	u16 size;
1153 	u8 cascade[2];
1154 	u32 cascade_map[2];
1155 };
1156 
1157 /* Values for Version field above */
1158 
1159 enum acpi_madt_lio_pic_version {
1160 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1161 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1162 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1163 };
1164 
1165 /* 19: HT Interrupt Controller (ACPI 6.5) */
1166 
1167 struct acpi_madt_ht_pic {
1168 	struct acpi_subtable_header header;
1169 	u8 version;
1170 	u64 address;
1171 	u16 size;
1172 	u8 cascade[8];
1173 };
1174 
1175 /* Values for Version field above */
1176 
1177 enum acpi_madt_ht_pic_version {
1178 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1179 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1180 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1181 };
1182 
1183 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1184 
1185 struct acpi_madt_eio_pic {
1186 	struct acpi_subtable_header header;
1187 	u8 version;
1188 	u8 cascade;
1189 	u8 node;
1190 	u64 node_map;
1191 };
1192 
1193 /* Values for Version field above */
1194 
1195 enum acpi_madt_eio_pic_version {
1196 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1197 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1198 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1199 };
1200 
1201 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1202 
1203 struct acpi_madt_msi_pic {
1204 	struct acpi_subtable_header header;
1205 	u8 version;
1206 	u64 msg_address;
1207 	u32 start;
1208 	u32 count;
1209 };
1210 
1211 /* Values for Version field above */
1212 
1213 enum acpi_madt_msi_pic_version {
1214 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1215 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1216 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1217 };
1218 
1219 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1220 
1221 struct acpi_madt_bio_pic {
1222 	struct acpi_subtable_header header;
1223 	u8 version;
1224 	u64 address;
1225 	u16 size;
1226 	u16 id;
1227 	u16 gsi_base;
1228 };
1229 
1230 /* Values for Version field above */
1231 
1232 enum acpi_madt_bio_pic_version {
1233 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1234 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1235 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1236 };
1237 
1238 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1239 
1240 struct acpi_madt_lpc_pic {
1241 	struct acpi_subtable_header header;
1242 	u8 version;
1243 	u64 address;
1244 	u16 size;
1245 	u8 cascade;
1246 };
1247 
1248 /* Values for Version field above */
1249 
1250 enum acpi_madt_lpc_pic_version {
1251 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1252 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1253 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1254 };
1255 
1256 /* 24: RISC-V INTC */
1257 struct acpi_madt_rintc {
1258 	struct acpi_subtable_header header;
1259 	u8 version;
1260 	u8 reserved;
1261 	u32 flags;
1262 	u64 hart_id;
1263 	u32 uid;		/* ACPI processor UID */
1264 };
1265 
1266 /* Values for RISC-V INTC Version field above */
1267 
1268 enum acpi_madt_rintc_version {
1269 	ACPI_MADT_RINTC_VERSION_NONE = 0,
1270 	ACPI_MADT_RINTC_VERSION_V1 = 1,
1271 	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1272 };
1273 
1274 /* 80: OEM data */
1275 
1276 struct acpi_madt_oem_data {
1277 	ACPI_FLEX_ARRAY(u8, oem_data);
1278 };
1279 
1280 /*
1281  * Common flags fields for MADT subtables
1282  */
1283 
1284 /* MADT Local APIC flags */
1285 
1286 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1287 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1288 
1289 /* MADT MPS INTI flags (inti_flags) */
1290 
1291 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1292 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1293 
1294 /* Values for MPS INTI flags */
1295 
1296 #define ACPI_MADT_POLARITY_CONFORMS       0
1297 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1298 #define ACPI_MADT_POLARITY_RESERVED       2
1299 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1300 
1301 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1302 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1303 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1304 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1305 
1306 /*******************************************************************************
1307  *
1308  * MCFG - PCI Memory Mapped Configuration table and subtable
1309  *        Version 1
1310  *
1311  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1312  *
1313  ******************************************************************************/
1314 
1315 struct acpi_table_mcfg {
1316 	struct acpi_table_header header;	/* Common ACPI table header */
1317 	u8 reserved[8];
1318 };
1319 
1320 /* Subtable */
1321 
1322 struct acpi_mcfg_allocation {
1323 	u64 address;		/* Base address, processor-relative */
1324 	u16 pci_segment;	/* PCI segment group number */
1325 	u8 start_bus_number;	/* Starting PCI Bus number */
1326 	u8 end_bus_number;	/* Final PCI Bus number */
1327 	u32 reserved;
1328 };
1329 
1330 /*******************************************************************************
1331  *
1332  * MCHI - Management Controller Host Interface Table
1333  *        Version 1
1334  *
1335  * Conforms to "Management Component Transport Protocol (MCTP) Host
1336  * Interface Specification", Revision 1.0.0a, October 13, 2009
1337  *
1338  ******************************************************************************/
1339 
1340 struct acpi_table_mchi {
1341 	struct acpi_table_header header;	/* Common ACPI table header */
1342 	u8 interface_type;
1343 	u8 protocol;
1344 	u64 protocol_data;
1345 	u8 interrupt_type;
1346 	u8 gpe;
1347 	u8 pci_device_flag;
1348 	u32 global_interrupt;
1349 	struct acpi_generic_address control_register;
1350 	u8 pci_segment;
1351 	u8 pci_bus;
1352 	u8 pci_device;
1353 	u8 pci_function;
1354 };
1355 
1356 /*******************************************************************************
1357  *
1358  * MPAM - Memory System Resource Partitioning and Monitoring
1359  *
1360  * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1361  * Document number: ARM DEN 0065, December, 2022.
1362  *
1363  ******************************************************************************/
1364 
1365 /* MPAM RIS locator types. Table 11, Location types */
1366 enum acpi_mpam_locator_type {
1367 	ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1368 	ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1369 	ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1370 	ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1371 	ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1372 	ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1373 	ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1374 };
1375 
1376 /* MPAM Functional dependency descriptor. Table 10 */
1377 struct acpi_mpam_func_deps {
1378 	u32 producer;
1379 	u32 reserved;
1380 };
1381 
1382 /* MPAM Processor cache locator descriptor. Table 13 */
1383 struct acpi_mpam_resource_cache_locator {
1384 	u64 cache_reference;
1385 	u32 reserved;
1386 };
1387 
1388 /* MPAM Memory locator descriptor. Table 14 */
1389 struct acpi_mpam_resource_memory_locator {
1390 	u64 proximity_domain;
1391 	u32 reserved;
1392 };
1393 
1394 /* MPAM SMMU locator descriptor. Table 15 */
1395 struct acpi_mpam_resource_smmu_locator {
1396 	u64 smmu_interface;
1397 	u32 reserved;
1398 };
1399 
1400 /* MPAM Memory-side cache locator descriptor. Table 16 */
1401 struct acpi_mpam_resource_memcache_locator {
1402 	u8 reserved[7];
1403 	u8 level;
1404 	u32 reference;
1405 };
1406 
1407 /* MPAM ACPI device locator descriptor. Table 17 */
1408 struct acpi_mpam_resource_acpi_locator {
1409 	u64 acpi_hw_id;
1410 	u32 acpi_unique_id;
1411 };
1412 
1413 /* MPAM Interconnect locator descriptor. Table 18 */
1414 struct acpi_mpam_resource_interconnect_locator {
1415 	u64 inter_connect_desc_tbl_off;
1416 	u32 reserved;
1417 };
1418 
1419 /* MPAM Locator structure. Table 12 */
1420 struct acpi_mpam_resource_generic_locator {
1421 	u64 descriptor1;
1422 	u32 descriptor2;
1423 };
1424 
1425 union acpi_mpam_resource_locator {
1426 	struct acpi_mpam_resource_cache_locator cache_locator;
1427 	struct acpi_mpam_resource_memory_locator memory_locator;
1428 	struct acpi_mpam_resource_smmu_locator smmu_locator;
1429 	struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1430 	struct acpi_mpam_resource_acpi_locator acpi_locator;
1431 	struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1432 	struct acpi_mpam_resource_generic_locator generic_locator;
1433 };
1434 
1435 /* Memory System Component Resource Node Structure Table 9 */
1436 struct acpi_mpam_resource_node {
1437 	u32 identifier;
1438 	u8 ris_index;
1439 	u16 reserved1;
1440 	u8 locator_type;
1441 	union acpi_mpam_resource_locator locator;
1442 	u32 num_functional_deps;
1443 };
1444 
1445 /* Memory System Component (MSC) Node Structure. Table 4 */
1446 struct acpi_mpam_msc_node {
1447 	u16 length;
1448 	u8 interface_type;
1449 	u8 reserved;
1450 	u32 identifier;
1451 	u64 base_address;
1452 	u32 mmio_size;
1453 	u32 overflow_interrupt;
1454 	u32 overflow_interrupt_flags;
1455 	u32 reserved1;
1456 	u32 overflow_interrupt_affinity;
1457 	u32 error_interrupt;
1458 	u32 error_interrupt_flags;
1459 	u32 reserved2;
1460 	u32 error_interrupt_affinity;
1461 	u32 max_nrdy_usec;
1462 	u64 hardware_id_linked_device;
1463 	u32 instance_id_linked_device;
1464 	u32 num_resouce_nodes;
1465 };
1466 
1467 struct acpi_table_mpam {
1468 	struct acpi_table_header header;	/* Common ACPI table header */
1469 };
1470 
1471 /*******************************************************************************
1472  *
1473  * MPST - Memory Power State Table (ACPI 5.0)
1474  *        Version 1
1475  *
1476  ******************************************************************************/
1477 
1478 #define ACPI_MPST_CHANNEL_INFO \
1479 	u8                              channel_id; \
1480 	u8                              reserved1[3]; \
1481 	u16                             power_node_count; \
1482 	u16                             reserved2;
1483 
1484 /* Main table */
1485 
1486 struct acpi_table_mpst {
1487 	struct acpi_table_header header;	/* Common ACPI table header */
1488 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1489 };
1490 
1491 /* Memory Platform Communication Channel Info */
1492 
1493 struct acpi_mpst_channel {
1494 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1495 };
1496 
1497 /* Memory Power Node Structure */
1498 
1499 struct acpi_mpst_power_node {
1500 	u8 flags;
1501 	u8 reserved1;
1502 	u16 node_id;
1503 	u32 length;
1504 	u64 range_address;
1505 	u64 range_length;
1506 	u32 num_power_states;
1507 	u32 num_physical_components;
1508 };
1509 
1510 /* Values for Flags field above */
1511 
1512 #define ACPI_MPST_ENABLED               1
1513 #define ACPI_MPST_POWER_MANAGED         2
1514 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1515 
1516 /* Memory Power State Structure (follows POWER_NODE above) */
1517 
1518 struct acpi_mpst_power_state {
1519 	u8 power_state;
1520 	u8 info_index;
1521 };
1522 
1523 /* Physical Component ID Structure (follows POWER_STATE above) */
1524 
1525 struct acpi_mpst_component {
1526 	u16 component_id;
1527 };
1528 
1529 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1530 
1531 struct acpi_mpst_data_hdr {
1532 	u16 characteristics_count;
1533 	u16 reserved;
1534 };
1535 
1536 struct acpi_mpst_power_data {
1537 	u8 structure_id;
1538 	u8 flags;
1539 	u16 reserved1;
1540 	u32 average_power;
1541 	u32 power_saving;
1542 	u64 exit_latency;
1543 	u64 reserved2;
1544 };
1545 
1546 /* Values for Flags field above */
1547 
1548 #define ACPI_MPST_PRESERVE              1
1549 #define ACPI_MPST_AUTOENTRY             2
1550 #define ACPI_MPST_AUTOEXIT              4
1551 
1552 /* Shared Memory Region (not part of an ACPI table) */
1553 
1554 struct acpi_mpst_shared {
1555 	u32 signature;
1556 	u16 pcc_command;
1557 	u16 pcc_status;
1558 	u32 command_register;
1559 	u32 status_register;
1560 	u32 power_state_id;
1561 	u32 power_node_id;
1562 	u64 energy_consumed;
1563 	u64 average_power;
1564 };
1565 
1566 /*******************************************************************************
1567  *
1568  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1569  *        Version 1
1570  *
1571  ******************************************************************************/
1572 
1573 struct acpi_table_msct {
1574 	struct acpi_table_header header;	/* Common ACPI table header */
1575 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1576 	u32 max_proximity_domains;	/* Max number of proximity domains */
1577 	u32 max_clock_domains;	/* Max number of clock domains */
1578 	u64 max_address;	/* Max physical address in system */
1579 };
1580 
1581 /* subtable - Maximum Proximity Domain Information. Version 1 */
1582 
1583 struct acpi_msct_proximity {
1584 	u8 revision;
1585 	u8 length;
1586 	u32 range_start;	/* Start of domain range */
1587 	u32 range_end;		/* End of domain range */
1588 	u32 processor_capacity;
1589 	u64 memory_capacity;	/* In bytes */
1590 };
1591 
1592 /*******************************************************************************
1593  *
1594  * MSDM - Microsoft Data Management table
1595  *
1596  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1597  * November 29, 2011. Copyright 2011 Microsoft
1598  *
1599  ******************************************************************************/
1600 
1601 /* Basic MSDM table is only the common ACPI header */
1602 
1603 struct acpi_table_msdm {
1604 	struct acpi_table_header header;	/* Common ACPI table header */
1605 };
1606 
1607 /*******************************************************************************
1608  *
1609  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1610  *        Version 1
1611  *
1612  ******************************************************************************/
1613 
1614 struct acpi_table_nfit {
1615 	struct acpi_table_header header;	/* Common ACPI table header */
1616 	u32 reserved;		/* Reserved, must be zero */
1617 };
1618 
1619 /* Subtable header for NFIT */
1620 
1621 struct acpi_nfit_header {
1622 	u16 type;
1623 	u16 length;
1624 };
1625 
1626 /* Values for subtable type in struct acpi_nfit_header */
1627 
1628 enum acpi_nfit_type {
1629 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1630 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1631 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1632 	ACPI_NFIT_TYPE_SMBIOS = 3,
1633 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1634 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1635 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1636 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1637 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1638 };
1639 
1640 /*
1641  * NFIT Subtables
1642  */
1643 
1644 /* 0: System Physical Address Range Structure */
1645 
1646 struct acpi_nfit_system_address {
1647 	struct acpi_nfit_header header;
1648 	u16 range_index;
1649 	u16 flags;
1650 	u32 reserved;		/* Reserved, must be zero */
1651 	u32 proximity_domain;
1652 	u8 range_guid[16];
1653 	u64 address;
1654 	u64 length;
1655 	u64 memory_mapping;
1656 	u64 location_cookie;	/* ACPI 6.4 */
1657 };
1658 
1659 /* Flags */
1660 
1661 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1662 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1663 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1664 
1665 /* Range Type GUIDs appear in the include/acuuid.h file */
1666 
1667 /* 1: Memory Device to System Address Range Map Structure */
1668 
1669 struct acpi_nfit_memory_map {
1670 	struct acpi_nfit_header header;
1671 	u32 device_handle;
1672 	u16 physical_id;
1673 	u16 region_id;
1674 	u16 range_index;
1675 	u16 region_index;
1676 	u64 region_size;
1677 	u64 region_offset;
1678 	u64 address;
1679 	u16 interleave_index;
1680 	u16 interleave_ways;
1681 	u16 flags;
1682 	u16 reserved;		/* Reserved, must be zero */
1683 };
1684 
1685 /* Flags */
1686 
1687 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1688 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1689 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1690 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1691 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1692 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1693 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1694 
1695 /* 2: Interleave Structure */
1696 
1697 struct acpi_nfit_interleave {
1698 	struct acpi_nfit_header header;
1699 	u16 interleave_index;
1700 	u16 reserved;		/* Reserved, must be zero */
1701 	u32 line_count;
1702 	u32 line_size;
1703 	u32 line_offset[];	/* Variable length */
1704 };
1705 
1706 /* 3: SMBIOS Management Information Structure */
1707 
1708 struct acpi_nfit_smbios {
1709 	struct acpi_nfit_header header;
1710 	u32 reserved;		/* Reserved, must be zero */
1711 	u8 data[];		/* Variable length */
1712 };
1713 
1714 /* 4: NVDIMM Control Region Structure */
1715 
1716 struct acpi_nfit_control_region {
1717 	struct acpi_nfit_header header;
1718 	u16 region_index;
1719 	u16 vendor_id;
1720 	u16 device_id;
1721 	u16 revision_id;
1722 	u16 subsystem_vendor_id;
1723 	u16 subsystem_device_id;
1724 	u16 subsystem_revision_id;
1725 	u8 valid_fields;
1726 	u8 manufacturing_location;
1727 	u16 manufacturing_date;
1728 	u8 reserved[2];		/* Reserved, must be zero */
1729 	u32 serial_number;
1730 	u16 code;
1731 	u16 windows;
1732 	u64 window_size;
1733 	u64 command_offset;
1734 	u64 command_size;
1735 	u64 status_offset;
1736 	u64 status_size;
1737 	u16 flags;
1738 	u8 reserved1[6];	/* Reserved, must be zero */
1739 };
1740 
1741 /* Flags */
1742 
1743 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1744 
1745 /* valid_fields bits */
1746 
1747 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1748 
1749 /* 5: NVDIMM Block Data Window Region Structure */
1750 
1751 struct acpi_nfit_data_region {
1752 	struct acpi_nfit_header header;
1753 	u16 region_index;
1754 	u16 windows;
1755 	u64 offset;
1756 	u64 size;
1757 	u64 capacity;
1758 	u64 start_address;
1759 };
1760 
1761 /* 6: Flush Hint Address Structure */
1762 
1763 struct acpi_nfit_flush_address {
1764 	struct acpi_nfit_header header;
1765 	u32 device_handle;
1766 	u16 hint_count;
1767 	u8 reserved[6];		/* Reserved, must be zero */
1768 	u64 hint_address[];	/* Variable length */
1769 };
1770 
1771 /* 7: Platform Capabilities Structure */
1772 
1773 struct acpi_nfit_capabilities {
1774 	struct acpi_nfit_header header;
1775 	u8 highest_capability;
1776 	u8 reserved[3];		/* Reserved, must be zero */
1777 	u32 capabilities;
1778 	u32 reserved2;
1779 };
1780 
1781 /* Capabilities Flags */
1782 
1783 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1784 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1785 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1786 
1787 /*
1788  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1789  */
1790 struct nfit_device_handle {
1791 	u32 handle;
1792 };
1793 
1794 /* Device handle construction and extraction macros */
1795 
1796 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1797 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1798 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1799 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1800 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1801 
1802 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1803 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1804 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1805 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1806 #define ACPI_NFIT_NODE_ID_OFFSET                16
1807 
1808 /* Macro to construct a NFIT/NVDIMM device handle */
1809 
1810 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1811 	((dimm)                                         | \
1812 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1813 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1814 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1815 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1816 
1817 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1818 
1819 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1820 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1821 
1822 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1823 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1824 
1825 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1826 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1827 
1828 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1829 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1830 
1831 #define ACPI_NFIT_GET_NODE_ID(handle) \
1832 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1833 
1834 /*******************************************************************************
1835  *
1836  * NHLT - Non HD Audio Link Table
1837  *
1838  * Conforms to: Intel Smart Sound Technology NHLT Specification
1839  * Version 0.8.1, January 2020.
1840  *
1841  ******************************************************************************/
1842 
1843 /* Main table */
1844 
1845 struct acpi_table_nhlt {
1846 	struct acpi_table_header header;	/* Common ACPI table header */
1847 	u8 endpoint_count;
1848 };
1849 
1850 struct acpi_nhlt_endpoint {
1851 	u32 descriptor_length;
1852 	u8 link_type;
1853 	u8 instance_id;
1854 	u16 vendor_id;
1855 	u16 device_id;
1856 	u16 revision_id;
1857 	u32 subsystem_id;
1858 	u8 device_type;
1859 	u8 direction;
1860 	u8 virtual_bus_id;
1861 };
1862 
1863 /* Types for link_type field above */
1864 
1865 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1866 #define ACPI_NHLT_RESERVED_DSP              1
1867 #define ACPI_NHLT_PDM                       2
1868 #define ACPI_NHLT_SSP                       3
1869 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1870 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1871 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1872 
1873 /* All other values above are reserved */
1874 
1875 /* Values for device_id field above */
1876 
1877 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1878 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1879 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1880 
1881 /* Values for device_type field above */
1882 
1883 /* SSP Link */
1884 
1885 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1886 #define ACPI_NHLT_LINK_FM                   1
1887 #define ACPI_NHLT_LINK_MODEM                2
1888 /* 3 is reserved */
1889 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1890 
1891 /* PDM Link */
1892 
1893 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1894 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1895 
1896 /* Values for Direction field above */
1897 
1898 #define ACPI_NHLT_DIR_RENDER                0
1899 #define ACPI_NHLT_DIR_CAPTURE               1
1900 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1901 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1902 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1903 
1904 struct acpi_nhlt_device_specific_config {
1905 	u32 capabilities_size;
1906 	u8 virtual_slot;
1907 	u8 config_type;
1908 };
1909 
1910 struct acpi_nhlt_device_specific_config_a {
1911 	u32 capabilities_size;
1912 	u8 virtual_slot;
1913 	u8 config_type;
1914 	u8 array_type;
1915 };
1916 
1917 /* Values for Config Type above */
1918 
1919 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1920 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1921 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1922 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1923 
1924 struct acpi_nhlt_device_specific_config_b {
1925 	u32 capabilities_size;
1926 };
1927 
1928 struct acpi_nhlt_device_specific_config_c {
1929 	u32 capabilities_size;
1930 	u8 virtual_slot;
1931 };
1932 
1933 struct acpi_nhlt_render_device_specific_config {
1934 	u32 capabilities_size;
1935 	u8 virtual_slot;
1936 };
1937 
1938 struct acpi_nhlt_wave_extensible {
1939 	u16 format_tag;
1940 	u16 channel_count;
1941 	u32 samples_per_sec;
1942 	u32 avg_bytes_per_sec;
1943 	u16 block_align;
1944 	u16 bits_per_sample;
1945 	u16 extra_format_size;
1946 	u16 valid_bits_per_sample;
1947 	u32 channel_mask;
1948 	u8 sub_format_guid[16];
1949 };
1950 
1951 /* Values for channel_mask above */
1952 
1953 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1954 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1955 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1956 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1957 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1958 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1959 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1960 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1961 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1962 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1963 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1964 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1965 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1966 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1967 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1968 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1969 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1970 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1971 
1972 struct acpi_nhlt_format_config {
1973 	struct acpi_nhlt_wave_extensible format;
1974 	u32 capability_size;
1975 	u8 capabilities[];
1976 };
1977 
1978 struct acpi_nhlt_formats_config {
1979 	u8 formats_count;
1980 };
1981 
1982 struct acpi_nhlt_device_specific_hdr {
1983 	u8 virtual_slot;
1984 	u8 config_type;
1985 };
1986 
1987 /* Types for config_type above */
1988 
1989 #define ACPI_NHLT_GENERIC                   0
1990 #define ACPI_NHLT_MIC                       1
1991 #define ACPI_NHLT_RENDER                    3
1992 
1993 struct acpi_nhlt_mic_device_specific_config {
1994 	struct acpi_nhlt_device_specific_hdr device_config;
1995 	u8 array_type_ext;
1996 };
1997 
1998 /* Values for array_type_ext above */
1999 
2000 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
2001 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
2002 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
2003 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
2004 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
2005 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
2006 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
2007 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
2008 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
2009 
2010 #define ACPI_NHLT_NO_EXTENSION                      0x0
2011 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
2012 
2013 struct acpi_nhlt_vendor_mic_count {
2014 	u8 microphone_count;
2015 };
2016 
2017 struct acpi_nhlt_vendor_mic_config {
2018 	u8 type;
2019 	u8 panel;
2020 	u16 speaker_position_distance;	/* mm */
2021 	u16 horizontal_offset;	/* mm */
2022 	u16 vertical_offset;	/* mm */
2023 	u8 frequency_low_band;	/* 5*Hz */
2024 	u8 frequency_high_band;	/* 500*Hz */
2025 	u16 direction_angle;	/* -180 - + 180 */
2026 	u16 elevation_angle;	/* -180 - + 180 */
2027 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
2028 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
2029 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
2030 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
2031 };
2032 
2033 /* Values for Type field above */
2034 
2035 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
2036 #define ACPI_NHLT_MIC_SUBCARDIOID           1
2037 #define ACPI_NHLT_MIC_CARDIOID              2
2038 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
2039 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
2040 #define ACPI_NHLT_MIC_8_SHAPED              5
2041 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
2042 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
2043 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
2044 
2045 /* Values for Panel field above */
2046 
2047 #define ACPI_NHLT_MIC_POSITION_TOP          0
2048 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
2049 #define ACPI_NHLT_MIC_POSITION_LEFT         2
2050 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
2051 #define ACPI_NHLT_MIC_POSITION_FRONT        4
2052 #define ACPI_NHLT_MIC_POSITION_BACK         5
2053 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
2054 
2055 struct acpi_nhlt_vendor_mic_device_specific_config {
2056 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
2057 	u8 number_of_microphones;
2058 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
2059 };
2060 
2061 /* Microphone SNR and Sensitivity extension */
2062 
2063 struct acpi_nhlt_mic_snr_sensitivity_extension {
2064 	u32 SNR;
2065 	u32 sensitivity;
2066 };
2067 
2068 /* Render device with feedback */
2069 
2070 struct acpi_nhlt_render_feedback_device_specific_config {
2071 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
2072 	u16 feedback_channels;	/* Informative only */
2073 	u16 feedback_valid_bits_per_sample;
2074 };
2075 
2076 /* Non documented structures */
2077 
2078 struct acpi_nhlt_device_info_count {
2079 	u8 structure_count;
2080 };
2081 
2082 struct acpi_nhlt_device_info {
2083 	u8 device_id[16];
2084 	u8 device_instance_id;
2085 	u8 device_port_id;
2086 };
2087 
2088 /*******************************************************************************
2089  *
2090  * PCCT - Platform Communications Channel Table (ACPI 5.0)
2091  *        Version 2 (ACPI 6.2)
2092  *
2093  ******************************************************************************/
2094 
2095 struct acpi_table_pcct {
2096 	struct acpi_table_header header;	/* Common ACPI table header */
2097 	u32 flags;
2098 	u64 reserved;
2099 };
2100 
2101 /* Values for Flags field above */
2102 
2103 #define ACPI_PCCT_DOORBELL              1
2104 
2105 /* Values for subtable type in struct acpi_subtable_header */
2106 
2107 enum acpi_pcct_type {
2108 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2109 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2110 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
2111 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
2112 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
2113 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
2114 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
2115 };
2116 
2117 /*
2118  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2119  */
2120 
2121 /* 0: Generic Communications Subspace */
2122 
2123 struct acpi_pcct_subspace {
2124 	struct acpi_subtable_header header;
2125 	u8 reserved[6];
2126 	u64 base_address;
2127 	u64 length;
2128 	struct acpi_generic_address doorbell_register;
2129 	u64 preserve_mask;
2130 	u64 write_mask;
2131 	u32 latency;
2132 	u32 max_access_rate;
2133 	u16 min_turnaround_time;
2134 };
2135 
2136 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2137 
2138 struct acpi_pcct_hw_reduced {
2139 	struct acpi_subtable_header header;
2140 	u32 platform_interrupt;
2141 	u8 flags;
2142 	u8 reserved;
2143 	u64 base_address;
2144 	u64 length;
2145 	struct acpi_generic_address doorbell_register;
2146 	u64 preserve_mask;
2147 	u64 write_mask;
2148 	u32 latency;
2149 	u32 max_access_rate;
2150 	u16 min_turnaround_time;
2151 };
2152 
2153 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2154 
2155 struct acpi_pcct_hw_reduced_type2 {
2156 	struct acpi_subtable_header header;
2157 	u32 platform_interrupt;
2158 	u8 flags;
2159 	u8 reserved;
2160 	u64 base_address;
2161 	u64 length;
2162 	struct acpi_generic_address doorbell_register;
2163 	u64 preserve_mask;
2164 	u64 write_mask;
2165 	u32 latency;
2166 	u32 max_access_rate;
2167 	u16 min_turnaround_time;
2168 	struct acpi_generic_address platform_ack_register;
2169 	u64 ack_preserve_mask;
2170 	u64 ack_write_mask;
2171 };
2172 
2173 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2174 
2175 struct acpi_pcct_ext_pcc_master {
2176 	struct acpi_subtable_header header;
2177 	u32 platform_interrupt;
2178 	u8 flags;
2179 	u8 reserved1;
2180 	u64 base_address;
2181 	u32 length;
2182 	struct acpi_generic_address doorbell_register;
2183 	u64 preserve_mask;
2184 	u64 write_mask;
2185 	u32 latency;
2186 	u32 max_access_rate;
2187 	u32 min_turnaround_time;
2188 	struct acpi_generic_address platform_ack_register;
2189 	u64 ack_preserve_mask;
2190 	u64 ack_set_mask;
2191 	u64 reserved2;
2192 	struct acpi_generic_address cmd_complete_register;
2193 	u64 cmd_complete_mask;
2194 	struct acpi_generic_address cmd_update_register;
2195 	u64 cmd_update_preserve_mask;
2196 	u64 cmd_update_set_mask;
2197 	struct acpi_generic_address error_status_register;
2198 	u64 error_status_mask;
2199 };
2200 
2201 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2202 
2203 struct acpi_pcct_ext_pcc_slave {
2204 	struct acpi_subtable_header header;
2205 	u32 platform_interrupt;
2206 	u8 flags;
2207 	u8 reserved1;
2208 	u64 base_address;
2209 	u32 length;
2210 	struct acpi_generic_address doorbell_register;
2211 	u64 preserve_mask;
2212 	u64 write_mask;
2213 	u32 latency;
2214 	u32 max_access_rate;
2215 	u32 min_turnaround_time;
2216 	struct acpi_generic_address platform_ack_register;
2217 	u64 ack_preserve_mask;
2218 	u64 ack_set_mask;
2219 	u64 reserved2;
2220 	struct acpi_generic_address cmd_complete_register;
2221 	u64 cmd_complete_mask;
2222 	struct acpi_generic_address cmd_update_register;
2223 	u64 cmd_update_preserve_mask;
2224 	u64 cmd_update_set_mask;
2225 	struct acpi_generic_address error_status_register;
2226 	u64 error_status_mask;
2227 };
2228 
2229 /* 5: HW Registers based Communications Subspace */
2230 
2231 struct acpi_pcct_hw_reg {
2232 	struct acpi_subtable_header header;
2233 	u16 version;
2234 	u64 base_address;
2235 	u64 length;
2236 	struct acpi_generic_address doorbell_register;
2237 	u64 doorbell_preserve;
2238 	u64 doorbell_write;
2239 	struct acpi_generic_address cmd_complete_register;
2240 	u64 cmd_complete_mask;
2241 	struct acpi_generic_address error_status_register;
2242 	u64 error_status_mask;
2243 	u32 nominal_latency;
2244 	u32 min_turnaround_time;
2245 };
2246 
2247 /* Values for doorbell flags above */
2248 
2249 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2250 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2251 
2252 /*
2253  * PCC memory structures (not part of the ACPI table)
2254  */
2255 
2256 /* Shared Memory Region */
2257 
2258 struct acpi_pcct_shared_memory {
2259 	u32 signature;
2260 	u16 command;
2261 	u16 status;
2262 };
2263 
2264 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2265 
2266 struct acpi_pcct_ext_pcc_shared_memory {
2267 	u32 signature;
2268 	u32 flags;
2269 	u32 length;
2270 	u32 command;
2271 };
2272 
2273 /*******************************************************************************
2274  *
2275  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2276  *        Version 0
2277  *
2278  ******************************************************************************/
2279 
2280 struct acpi_table_pdtt {
2281 	struct acpi_table_header header;	/* Common ACPI table header */
2282 	u8 trigger_count;
2283 	u8 reserved[3];
2284 	u32 array_offset;
2285 };
2286 
2287 /*
2288  * PDTT Communication Channel Identifier Structure.
2289  * The number of these structures is defined by trigger_count above,
2290  * starting at array_offset.
2291  */
2292 struct acpi_pdtt_channel {
2293 	u8 subchannel_id;
2294 	u8 flags;
2295 };
2296 
2297 /* Flags for above */
2298 
2299 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2300 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2301 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2302 
2303 /*******************************************************************************
2304  *
2305  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2306  *        Version 1
2307  *
2308  ******************************************************************************/
2309 
2310 struct acpi_table_phat {
2311 	struct acpi_table_header header;	/* Common ACPI table header */
2312 };
2313 
2314 /* Common header for PHAT subtables that follow main table */
2315 
2316 struct acpi_phat_header {
2317 	u16 type;
2318 	u16 length;
2319 	u8 revision;
2320 };
2321 
2322 /* Values for Type field above */
2323 
2324 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2325 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2326 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2327 
2328 /*
2329  * PHAT subtables, correspond to Type in struct acpi_phat_header
2330  */
2331 
2332 /* 0: Firmware Version Data Record */
2333 
2334 struct acpi_phat_version_data {
2335 	struct acpi_phat_header header;
2336 	u8 reserved[3];
2337 	u32 element_count;
2338 };
2339 
2340 struct acpi_phat_version_element {
2341 	u8 guid[16];
2342 	u64 version_value;
2343 	u32 producer_id;
2344 };
2345 
2346 /* 1: Firmware Health Data Record */
2347 
2348 struct acpi_phat_health_data {
2349 	struct acpi_phat_header header;
2350 	u8 reserved[2];
2351 	u8 health;
2352 	u8 device_guid[16];
2353 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2354 };
2355 
2356 /* Values for Health field above */
2357 
2358 #define ACPI_PHAT_ERRORS_FOUND          0
2359 #define ACPI_PHAT_NO_ERRORS             1
2360 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2361 #define ACPI_PHAT_ADVISORY              3
2362 
2363 /*******************************************************************************
2364  *
2365  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2366  *        Version 1
2367  *
2368  ******************************************************************************/
2369 
2370 struct acpi_table_pmtt {
2371 	struct acpi_table_header header;	/* Common ACPI table header */
2372 	u32 memory_device_count;
2373 	/*
2374 	 * Immediately followed by:
2375 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2376 	 */
2377 };
2378 
2379 /* Common header for PMTT subtables that follow main table */
2380 
2381 struct acpi_pmtt_header {
2382 	u8 type;
2383 	u8 reserved1;
2384 	u16 length;
2385 	u16 flags;
2386 	u16 reserved2;
2387 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2388 	/*
2389 	 * Immediately followed by:
2390 	 * u8 type_specific_data[]
2391 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2392 	 */
2393 };
2394 
2395 /* Values for Type field above */
2396 
2397 #define ACPI_PMTT_TYPE_SOCKET           0
2398 #define ACPI_PMTT_TYPE_CONTROLLER       1
2399 #define ACPI_PMTT_TYPE_DIMM             2
2400 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2401 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2402 
2403 /* Values for Flags field above */
2404 
2405 #define ACPI_PMTT_TOP_LEVEL             0x0001
2406 #define ACPI_PMTT_PHYSICAL              0x0002
2407 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2408 
2409 /*
2410  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2411  */
2412 
2413 /* 0: Socket Structure */
2414 
2415 struct acpi_pmtt_socket {
2416 	struct acpi_pmtt_header header;
2417 	u16 socket_id;
2418 	u16 reserved;
2419 };
2420 	/*
2421 	 * Immediately followed by:
2422 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2423 	 */
2424 
2425 /* 1: Memory Controller subtable */
2426 
2427 struct acpi_pmtt_controller {
2428 	struct acpi_pmtt_header header;
2429 	u16 controller_id;
2430 	u16 reserved;
2431 };
2432 	/*
2433 	 * Immediately followed by:
2434 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2435 	 */
2436 
2437 /* 2: Physical Component Identifier (DIMM) */
2438 
2439 struct acpi_pmtt_physical_component {
2440 	struct acpi_pmtt_header header;
2441 	u32 bios_handle;
2442 };
2443 
2444 /* 0xFF: Vendor Specific Data */
2445 
2446 struct acpi_pmtt_vendor_specific {
2447 	struct acpi_pmtt_header header;
2448 	u8 type_uuid[16];
2449 	u8 specific[];
2450 	/*
2451 	 * Immediately followed by:
2452 	 * u8 vendor_specific_data[];
2453 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2454 	 */
2455 };
2456 
2457 /*******************************************************************************
2458  *
2459  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2460  *        Version 1
2461  *
2462  ******************************************************************************/
2463 
2464 struct acpi_table_pptt {
2465 	struct acpi_table_header header;	/* Common ACPI table header */
2466 };
2467 
2468 /* Values for Type field above */
2469 
2470 enum acpi_pptt_type {
2471 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2472 	ACPI_PPTT_TYPE_CACHE = 1,
2473 	ACPI_PPTT_TYPE_ID = 2,
2474 	ACPI_PPTT_TYPE_RESERVED = 3
2475 };
2476 
2477 /* 0: Processor Hierarchy Node Structure */
2478 
2479 struct acpi_pptt_processor {
2480 	struct acpi_subtable_header header;
2481 	u16 reserved;
2482 	u32 flags;
2483 	u32 parent;
2484 	u32 acpi_processor_id;
2485 	u32 number_of_priv_resources;
2486 };
2487 
2488 /* Flags */
2489 
2490 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2491 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2492 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2493 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2494 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2495 
2496 /* 1: Cache Type Structure */
2497 
2498 struct acpi_pptt_cache {
2499 	struct acpi_subtable_header header;
2500 	u16 reserved;
2501 	u32 flags;
2502 	u32 next_level_of_cache;
2503 	u32 size;
2504 	u32 number_of_sets;
2505 	u8 associativity;
2506 	u8 attributes;
2507 	u16 line_size;
2508 };
2509 
2510 /* 1: Cache Type Structure for PPTT version 3 */
2511 
2512 struct acpi_pptt_cache_v1 {
2513 	u32 cache_id;
2514 };
2515 
2516 /* Flags */
2517 
2518 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2519 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2520 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2521 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2522 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2523 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2524 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2525 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2526 
2527 /* Masks for Attributes */
2528 
2529 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2530 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2531 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2532 
2533 /* Attributes describing cache */
2534 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2535 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2536 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2537 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2538 
2539 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2540 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2541 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2542 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2543 
2544 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2545 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2546 
2547 /* 2: ID Structure */
2548 
2549 struct acpi_pptt_id {
2550 	struct acpi_subtable_header header;
2551 	u16 reserved;
2552 	u32 vendor_id;
2553 	u64 level1_id;
2554 	u64 level2_id;
2555 	u16 major_rev;
2556 	u16 minor_rev;
2557 	u16 spin_rev;
2558 };
2559 
2560 /*******************************************************************************
2561  *
2562  * PRMT - Platform Runtime Mechanism Table
2563  *        Version 1
2564  *
2565  ******************************************************************************/
2566 
2567 struct acpi_table_prmt {
2568 	struct acpi_table_header header;	/* Common ACPI table header */
2569 };
2570 
2571 struct acpi_table_prmt_header {
2572 	u8 platform_guid[16];
2573 	u32 module_info_offset;
2574 	u32 module_info_count;
2575 };
2576 
2577 struct acpi_prmt_module_header {
2578 	u16 revision;
2579 	u16 length;
2580 };
2581 
2582 struct acpi_prmt_module_info {
2583 	u16 revision;
2584 	u16 length;
2585 	u8 module_guid[16];
2586 	u16 major_rev;
2587 	u16 minor_rev;
2588 	u16 handler_info_count;
2589 	u32 handler_info_offset;
2590 	u64 mmio_list_pointer;
2591 };
2592 
2593 struct acpi_prmt_handler_info {
2594 	u16 revision;
2595 	u16 length;
2596 	u8 handler_guid[16];
2597 	u64 handler_address;
2598 	u64 static_data_buffer_address;
2599 	u64 acpi_param_buffer_address;
2600 };
2601 
2602 /*******************************************************************************
2603  *
2604  * RASF - RAS Feature Table (ACPI 5.0)
2605  *        Version 1
2606  *
2607  ******************************************************************************/
2608 
2609 struct acpi_table_rasf {
2610 	struct acpi_table_header header;	/* Common ACPI table header */
2611 	u8 channel_id[12];
2612 };
2613 
2614 /* RASF Platform Communication Channel Shared Memory Region */
2615 
2616 struct acpi_rasf_shared_memory {
2617 	u32 signature;
2618 	u16 command;
2619 	u16 status;
2620 	u16 version;
2621 	u8 capabilities[16];
2622 	u8 set_capabilities[16];
2623 	u16 num_parameter_blocks;
2624 	u32 set_capabilities_status;
2625 };
2626 
2627 /* RASF Parameter Block Structure Header */
2628 
2629 struct acpi_rasf_parameter_block {
2630 	u16 type;
2631 	u16 version;
2632 	u16 length;
2633 };
2634 
2635 /* RASF Parameter Block Structure for PATROL_SCRUB */
2636 
2637 struct acpi_rasf_patrol_scrub_parameter {
2638 	struct acpi_rasf_parameter_block header;
2639 	u16 patrol_scrub_command;
2640 	u64 requested_address_range[2];
2641 	u64 actual_address_range[2];
2642 	u16 flags;
2643 	u8 requested_speed;
2644 };
2645 
2646 /* Masks for Flags and Speed fields above */
2647 
2648 #define ACPI_RASF_SCRUBBER_RUNNING      1
2649 #define ACPI_RASF_SPEED                 (7<<1)
2650 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2651 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2652 #define ACPI_RASF_SPEED_FAST            (7<<1)
2653 
2654 /* Channel Commands */
2655 
2656 enum acpi_rasf_commands {
2657 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2658 };
2659 
2660 /* Platform RAS Capabilities */
2661 
2662 enum acpi_rasf_capabiliities {
2663 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2664 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2665 };
2666 
2667 /* Patrol Scrub Commands */
2668 
2669 enum acpi_rasf_patrol_scrub_commands {
2670 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2671 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2672 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2673 };
2674 
2675 /* Channel Command flags */
2676 
2677 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2678 
2679 /* Status values */
2680 
2681 enum acpi_rasf_status {
2682 	ACPI_RASF_SUCCESS = 0,
2683 	ACPI_RASF_NOT_VALID = 1,
2684 	ACPI_RASF_NOT_SUPPORTED = 2,
2685 	ACPI_RASF_BUSY = 3,
2686 	ACPI_RASF_FAILED = 4,
2687 	ACPI_RASF_ABORTED = 5,
2688 	ACPI_RASF_INVALID_DATA = 6
2689 };
2690 
2691 /* Status flags */
2692 
2693 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2694 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2695 #define ACPI_RASF_ERROR                 (1<<2)
2696 #define ACPI_RASF_STATUS                (0x1F<<3)
2697 
2698 /*******************************************************************************
2699  *
2700  * RGRT - Regulatory Graphics Resource Table
2701  *        Version 1
2702  *
2703  * Conforms to "ACPI RGRT" available at:
2704  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2705  *
2706  ******************************************************************************/
2707 
2708 struct acpi_table_rgrt {
2709 	struct acpi_table_header header;	/* Common ACPI table header */
2710 	u16 version;
2711 	u8 image_type;
2712 	u8 reserved;
2713 	u8 image[];
2714 };
2715 
2716 /* image_type values */
2717 
2718 enum acpi_rgrt_image_type {
2719 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2720 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2721 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2722 };
2723 
2724 /*******************************************************************************
2725  *
2726  * RHCT - RISC-V Hart Capabilities Table
2727  *        Version 1
2728  *
2729  ******************************************************************************/
2730 
2731 struct acpi_table_rhct {
2732 	struct acpi_table_header header;	/* Common ACPI table header */
2733 	u32 reserved;
2734 	u64 time_base_freq;
2735 	u32 node_count;
2736 	u32 node_offset;
2737 };
2738 
2739 /*
2740  * RHCT subtables
2741  */
2742 struct acpi_rhct_node_header {
2743 	u16 type;
2744 	u16 length;
2745 	u16 revision;
2746 };
2747 
2748 /* Values for RHCT subtable Type above */
2749 
2750 enum acpi_rhct_node_type {
2751 	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
2752 	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
2753 };
2754 
2755 /*
2756  * RHCT node specific subtables
2757  */
2758 
2759 /* ISA string node structure */
2760 struct acpi_rhct_isa_string {
2761 	u16 isa_length;
2762 	char isa[];
2763 };
2764 
2765 /* Hart Info node structure */
2766 struct acpi_rhct_hart_info {
2767 	u16 num_offsets;
2768 	u32 uid;		/* ACPI processor UID */
2769 };
2770 
2771 /*******************************************************************************
2772  *
2773  * SBST - Smart Battery Specification Table
2774  *        Version 1
2775  *
2776  ******************************************************************************/
2777 
2778 struct acpi_table_sbst {
2779 	struct acpi_table_header header;	/* Common ACPI table header */
2780 	u32 warning_level;
2781 	u32 low_level;
2782 	u32 critical_level;
2783 };
2784 
2785 /*******************************************************************************
2786  *
2787  * SDEI - Software Delegated Exception Interface Descriptor Table
2788  *
2789  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2790  * May 8th, 2017. Copyright 2017 ARM Ltd.
2791  *
2792  ******************************************************************************/
2793 
2794 struct acpi_table_sdei {
2795 	struct acpi_table_header header;	/* Common ACPI table header */
2796 };
2797 
2798 /*******************************************************************************
2799  *
2800  * SDEV - Secure Devices Table (ACPI 6.2)
2801  *        Version 1
2802  *
2803  ******************************************************************************/
2804 
2805 struct acpi_table_sdev {
2806 	struct acpi_table_header header;	/* Common ACPI table header */
2807 };
2808 
2809 struct acpi_sdev_header {
2810 	u8 type;
2811 	u8 flags;
2812 	u16 length;
2813 };
2814 
2815 /* Values for subtable type above */
2816 
2817 enum acpi_sdev_type {
2818 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2819 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2820 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2821 };
2822 
2823 /* Values for flags above */
2824 
2825 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2826 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2827 
2828 /*
2829  * SDEV subtables
2830  */
2831 
2832 /* 0: Namespace Device Based Secure Device Structure */
2833 
2834 struct acpi_sdev_namespace {
2835 	struct acpi_sdev_header header;
2836 	u16 device_id_offset;
2837 	u16 device_id_length;
2838 	u16 vendor_data_offset;
2839 	u16 vendor_data_length;
2840 };
2841 
2842 struct acpi_sdev_secure_component {
2843 	u16 secure_component_offset;
2844 	u16 secure_component_length;
2845 };
2846 
2847 /*
2848  * SDEV sub-subtables ("Components") for above
2849  */
2850 struct acpi_sdev_component {
2851 	struct acpi_sdev_header header;
2852 };
2853 
2854 /* Values for sub-subtable type above */
2855 
2856 enum acpi_sac_type {
2857 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2858 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2859 };
2860 
2861 struct acpi_sdev_id_component {
2862 	struct acpi_sdev_header header;
2863 	u16 hardware_id_offset;
2864 	u16 hardware_id_length;
2865 	u16 subsystem_id_offset;
2866 	u16 subsystem_id_length;
2867 	u16 hardware_revision;
2868 	u8 hardware_rev_present;
2869 	u8 class_code_present;
2870 	u8 pci_base_class;
2871 	u8 pci_sub_class;
2872 	u8 pci_programming_xface;
2873 };
2874 
2875 struct acpi_sdev_mem_component {
2876 	struct acpi_sdev_header header;
2877 	u32 reserved;
2878 	u64 memory_base_address;
2879 	u64 memory_length;
2880 };
2881 
2882 /* 1: PCIe Endpoint Device Based Device Structure */
2883 
2884 struct acpi_sdev_pcie {
2885 	struct acpi_sdev_header header;
2886 	u16 segment;
2887 	u16 start_bus;
2888 	u16 path_offset;
2889 	u16 path_length;
2890 	u16 vendor_data_offset;
2891 	u16 vendor_data_length;
2892 };
2893 
2894 /* 1a: PCIe Endpoint path entry */
2895 
2896 struct acpi_sdev_pcie_path {
2897 	u8 device;
2898 	u8 function;
2899 };
2900 
2901 /*******************************************************************************
2902  *
2903  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2904  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2905  *        Trust Domain Extensions (Intel TDX)".
2906  *        Version 1
2907  *
2908  ******************************************************************************/
2909 
2910 struct acpi_table_svkl {
2911 	struct acpi_table_header header;	/* Common ACPI table header */
2912 	u32 count;
2913 };
2914 
2915 struct acpi_svkl_key {
2916 	u16 type;
2917 	u16 format;
2918 	u32 size;
2919 	u64 address;
2920 };
2921 
2922 enum acpi_svkl_type {
2923 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2924 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2925 };
2926 
2927 enum acpi_svkl_format {
2928 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2929 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2930 };
2931 
2932 /*******************************************************************************
2933  *
2934  * TDEL - TD-Event Log
2935  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2936  *        Trust Domain Extensions (Intel TDX)".
2937  *        September 2020
2938  *
2939  ******************************************************************************/
2940 
2941 struct acpi_table_tdel {
2942 	struct acpi_table_header header;	/* Common ACPI table header */
2943 	u32 reserved;
2944 	u64 log_area_minimum_length;
2945 	u64 log_area_start_address;
2946 };
2947 
2948 /* Reset to default packing */
2949 
2950 #pragma pack()
2951 
2952 #endif				/* __ACTBL2_H__ */
2953