xref: /openbmc/linux/include/acpi/actbl2.h (revision f2ca92d0)
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_SBST           "SBST"	/* Smart Battery Specification Table */
52 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
53 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
54 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
55 #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
56 
57 /*
58  * All tables must be byte-packed to match the ACPI specification, since
59  * the tables are provided by the system BIOS.
60  */
61 #pragma pack(1)
62 
63 /*
64  * Note: C bitfields are not used for this reason:
65  *
66  * "Bitfields are great and easy to read, but unfortunately the C language
67  * does not specify the layout of bitfields in memory, which means they are
68  * essentially useless for dealing with packed data in on-disk formats or
69  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
70  * this decision was a design error in C. Ritchie could have picked an order
71  * and stuck with it." Norman Ramsey.
72  * See http://stackoverflow.com/a/1053662/41661
73  */
74 
75 /*******************************************************************************
76  *
77  * AEST - Arm Error Source Table
78  *
79  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
80  * September 2020.
81  *
82  ******************************************************************************/
83 
84 struct acpi_table_aest {
85 	struct acpi_table_header header;
86 };
87 
88 /* Common Subtable header - one per Node Structure (Subtable) */
89 
90 struct acpi_aest_hdr {
91 	u8 type;
92 	u16 length;
93 	u8 reserved;
94 	u32 node_specific_offset;
95 	u32 node_interface_offset;
96 	u32 node_interrupt_offset;
97 	u32 node_interrupt_count;
98 	u64 timestamp_rate;
99 	u64 reserved1;
100 	u64 error_injection_rate;
101 };
102 
103 /* Values for Type above */
104 
105 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
106 #define ACPI_AEST_MEMORY_ERROR_NODE         1
107 #define ACPI_AEST_SMMU_ERROR_NODE           2
108 #define ACPI_AEST_VENDOR_ERROR_NODE         3
109 #define ACPI_AEST_GIC_ERROR_NODE            4
110 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
111 
112 /*
113  * AEST subtables (Error nodes)
114  */
115 
116 /* 0: Processor Error */
117 
118 typedef struct acpi_aest_processor {
119 	u32 processor_id;
120 	u8 resource_type;
121 	u8 reserved;
122 	u8 flags;
123 	u8 revision;
124 	u64 processor_affinity;
125 
126 } acpi_aest_processor;
127 
128 /* Values for resource_type above, related structs below */
129 
130 #define ACPI_AEST_CACHE_RESOURCE            0
131 #define ACPI_AEST_TLB_RESOURCE              1
132 #define ACPI_AEST_GENERIC_RESOURCE          2
133 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
134 
135 /* 0R: Processor Cache Resource Substructure */
136 
137 typedef struct acpi_aest_processor_cache {
138 	u32 cache_reference;
139 	u32 reserved;
140 
141 } acpi_aest_processor_cache;
142 
143 /* Values for cache_type above */
144 
145 #define ACPI_AEST_CACHE_DATA                0
146 #define ACPI_AEST_CACHE_INSTRUCTION         1
147 #define ACPI_AEST_CACHE_UNIFIED             2
148 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
149 
150 /* 1R: Processor TLB Resource Substructure */
151 
152 typedef struct acpi_aest_processor_tlb {
153 	u32 tlb_level;
154 	u32 reserved;
155 
156 } acpi_aest_processor_tlb;
157 
158 /* 2R: Processor Generic Resource Substructure */
159 
160 typedef struct acpi_aest_processor_generic {
161 	u32 resource;
162 
163 } acpi_aest_processor_generic;
164 
165 /* 1: Memory Error */
166 
167 typedef struct acpi_aest_memory {
168 	u32 srat_proximity_domain;
169 
170 } acpi_aest_memory;
171 
172 /* 2: Smmu Error */
173 
174 typedef struct acpi_aest_smmu {
175 	u32 iort_node_reference;
176 	u32 subcomponent_reference;
177 
178 } acpi_aest_smmu;
179 
180 /* 3: Vendor Defined */
181 
182 typedef struct acpi_aest_vendor {
183 	u32 acpi_hid;
184 	u32 acpi_uid;
185 	u8 vendor_specific_data[16];
186 
187 } acpi_aest_vendor;
188 
189 /* 4: Gic Error */
190 
191 typedef struct acpi_aest_gic {
192 	u32 interface_type;
193 	u32 instance_id;
194 
195 } acpi_aest_gic;
196 
197 /* Values for interface_type above */
198 
199 #define ACPI_AEST_GIC_CPU                   0
200 #define ACPI_AEST_GIC_DISTRIBUTOR           1
201 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
202 #define ACPI_AEST_GIC_ITS                   3
203 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
204 
205 /* Node Interface Structure */
206 
207 typedef struct acpi_aest_node_interface {
208 	u8 type;
209 	u8 reserved[3];
210 	u32 flags;
211 	u64 address;
212 	u32 error_record_index;
213 	u32 error_record_count;
214 	u64 error_record_implemented;
215 	u64 error_status_reporting;
216 	u64 addressing_mode;
217 
218 } acpi_aest_node_interface;
219 
220 /* Values for Type field above */
221 
222 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
223 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
224 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
225 
226 /* Node Interrupt Structure */
227 
228 typedef struct acpi_aest_node_interrupt {
229 	u8 type;
230 	u8 reserved[2];
231 	u8 flags;
232 	u32 gsiv;
233 	u8 iort_id;
234 	u8 reserved1[3];
235 
236 } acpi_aest_node_interrupt;
237 
238 /* Values for Type field above */
239 
240 #define ACPI_AEST_NODE_FAULT_HANDLING       0
241 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
242 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
243 
244 /*******************************************************************************
245  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
246  *
247  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
248  * ARM DEN0093 v1.1
249  *
250  ******************************************************************************/
251 struct acpi_table_agdi {
252 	struct acpi_table_header header;	/* Common ACPI table header */
253 	u8 flags;
254 	u8 reserved[3];
255 	u32 sdei_event;
256 	u32 gsiv;
257 };
258 
259 /* Mask for Flags field above */
260 
261 #define ACPI_AGDI_SIGNALING_MODE (1)
262 
263 /*******************************************************************************
264  *
265  * APMT - ARM Performance Monitoring Unit Table
266  *
267  * Conforms to:
268  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
269  * ARM DEN0117 v1.0 November 25, 2021
270  *
271  ******************************************************************************/
272 
273 struct acpi_table_apmt {
274 	struct acpi_table_header header;	/* Common ACPI table header */
275 };
276 
277 #define ACPI_APMT_NODE_ID_LENGTH                4
278 
279 /*
280  * APMT subtables
281  */
282 struct acpi_apmt_node {
283 	u16 length;
284 	u8 flags;
285 	u8 type;
286 	u32 id;
287 	u64 inst_primary;
288 	u32 inst_secondary;
289 	u64 base_address0;
290 	u64 base_address1;
291 	u32 ovflw_irq;
292 	u32 reserved;
293 	u32 ovflw_irq_flags;
294 	u32 proc_affinity;
295 	u32 impl_id;
296 };
297 
298 /* Masks for Flags field above */
299 
300 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
301 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
302 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
303 
304 /* Values for Flags dual page field above */
305 
306 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
307 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
308 
309 /* Values for Flags processor affinity field above */
310 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
311 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
312 
313 /* Values for Flags 64-bit atomic field above */
314 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
315 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
316 
317 /* Values for Type field above */
318 
319 enum acpi_apmt_node_type {
320 	ACPI_APMT_NODE_TYPE_MC = 0x00,
321 	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
322 	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
323 	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
324 	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
325 	ACPI_APMT_NODE_TYPE_COUNT
326 };
327 
328 /* Masks for ovflw_irq_flags field above */
329 
330 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
331 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
332 
333 /* Values for ovflw_irq_flags mode field above */
334 
335 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
336 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
337 
338 /* Values for ovflw_irq_flags type field above */
339 
340 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
341 
342 /*******************************************************************************
343  *
344  * BDAT - BIOS Data ACPI Table
345  *
346  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
347  * Nov 2020
348  *
349  ******************************************************************************/
350 
351 struct acpi_table_bdat {
352 	struct acpi_table_header header;
353 	struct acpi_generic_address gas;
354 };
355 
356 /*******************************************************************************
357  *
358  * CCEL - CC-Event Log
359  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
360  *        Trust Domain Extensions (Intel TDX)". Feb 2022
361  *
362  ******************************************************************************/
363 
364 struct acpi_table_ccel {
365 	struct acpi_table_header header;	/* Common ACPI table header */
366 	u8 CCtype;
367 	u8 Ccsub_type;
368 	u16 reserved;
369 	u64 log_area_minimum_length;
370 	u64 log_area_start_address;
371 };
372 
373 /*******************************************************************************
374  *
375  * IORT - IO Remapping Table
376  *
377  * Conforms to "IO Remapping Table System Software on ARM Platforms",
378  * Document number: ARM DEN 0049E.e, Sep 2022
379  *
380  ******************************************************************************/
381 
382 struct acpi_table_iort {
383 	struct acpi_table_header header;
384 	u32 node_count;
385 	u32 node_offset;
386 	u32 reserved;
387 };
388 
389 /*
390  * IORT subtables
391  */
392 struct acpi_iort_node {
393 	u8 type;
394 	u16 length;
395 	u8 revision;
396 	u32 identifier;
397 	u32 mapping_count;
398 	u32 mapping_offset;
399 	char node_data[1];
400 };
401 
402 /* Values for subtable Type above */
403 
404 enum acpi_iort_node_type {
405 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
406 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
407 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
408 	ACPI_IORT_NODE_SMMU = 0x03,
409 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
410 	ACPI_IORT_NODE_PMCG = 0x05,
411 	ACPI_IORT_NODE_RMR = 0x06,
412 };
413 
414 struct acpi_iort_id_mapping {
415 	u32 input_base;		/* Lowest value in input range */
416 	u32 id_count;		/* Number of IDs */
417 	u32 output_base;	/* Lowest value in output range */
418 	u32 output_reference;	/* A reference to the output node */
419 	u32 flags;
420 };
421 
422 /* Masks for Flags field above for IORT subtable */
423 
424 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
425 
426 struct acpi_iort_memory_access {
427 	u32 cache_coherency;
428 	u8 hints;
429 	u16 reserved;
430 	u8 memory_flags;
431 };
432 
433 /* Values for cache_coherency field above */
434 
435 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
436 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
437 
438 /* Masks for Hints field above */
439 
440 #define ACPI_IORT_HT_TRANSIENT          (1)
441 #define ACPI_IORT_HT_WRITE              (1<<1)
442 #define ACPI_IORT_HT_READ               (1<<2)
443 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
444 
445 /* Masks for memory_flags field above */
446 
447 #define ACPI_IORT_MF_COHERENCY          (1)
448 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
449 
450 /*
451  * IORT node specific subtables
452  */
453 struct acpi_iort_its_group {
454 	u32 its_count;
455 	u32 identifiers[1];	/* GIC ITS identifier array */
456 };
457 
458 struct acpi_iort_named_component {
459 	u32 node_flags;
460 	u64 memory_properties;	/* Memory access properties */
461 	u8 memory_address_limit;	/* Memory address size limit */
462 	char device_name[1];	/* Path of namespace object */
463 };
464 
465 /* Masks for Flags field above */
466 
467 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
468 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
469 
470 struct acpi_iort_root_complex {
471 	u64 memory_properties;	/* Memory access properties */
472 	u32 ats_attribute;
473 	u32 pci_segment_number;
474 	u8 memory_address_limit;	/* Memory address size limit */
475 	u16 pasid_capabilities;	/* PASID Capabilities */
476 	u8 reserved[1];		/* Reserved, must be zero */
477 };
478 
479 /* Masks for ats_attribute field above */
480 
481 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
482 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
483 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
484 
485 /* Masks for pasid_capabilities field above */
486 #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)	/* Bits 0-4 */
487 
488 struct acpi_iort_smmu {
489 	u64 base_address;	/* SMMU base address */
490 	u64 span;		/* Length of memory range */
491 	u32 model;
492 	u32 flags;
493 	u32 global_interrupt_offset;
494 	u32 context_interrupt_count;
495 	u32 context_interrupt_offset;
496 	u32 pmu_interrupt_count;
497 	u32 pmu_interrupt_offset;
498 	u64 interrupts[1];	/* Interrupt array */
499 };
500 
501 /* Values for Model field above */
502 
503 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
504 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
505 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
506 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
507 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
508 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
509 
510 /* Masks for Flags field above */
511 
512 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
513 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
514 
515 /* Global interrupt format */
516 
517 struct acpi_iort_smmu_gsi {
518 	u32 nsg_irpt;
519 	u32 nsg_irpt_flags;
520 	u32 nsg_cfg_irpt;
521 	u32 nsg_cfg_irpt_flags;
522 };
523 
524 struct acpi_iort_smmu_v3 {
525 	u64 base_address;	/* SMMUv3 base address */
526 	u32 flags;
527 	u32 reserved;
528 	u64 vatos_address;
529 	u32 model;
530 	u32 event_gsiv;
531 	u32 pri_gsiv;
532 	u32 gerr_gsiv;
533 	u32 sync_gsiv;
534 	u32 pxm;
535 	u32 id_mapping_index;
536 };
537 
538 /* Values for Model field above */
539 
540 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
541 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
542 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
543 
544 /* Masks for Flags field above */
545 
546 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
547 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
548 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
549 #define ACPI_IORT_SMMU_V3_DEVICEID_VALID    (1<<4)
550 
551 struct acpi_iort_pmcg {
552 	u64 page0_base_address;
553 	u32 overflow_gsiv;
554 	u32 node_reference;
555 	u64 page1_base_address;
556 };
557 
558 struct acpi_iort_rmr {
559 	u32 flags;
560 	u32 rmr_count;
561 	u32 rmr_offset;
562 };
563 
564 /* Masks for Flags field above */
565 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
566 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
567 
568 /*
569  * Macro to access the Access Attributes in flags field above:
570  *  Access Attributes is encoded in bits 9:2
571  */
572 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
573 
574 /* Values for above Access Attributes */
575 
576 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
577 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
578 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
579 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
580 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
581 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
582 
583 struct acpi_iort_rmr_desc {
584 	u64 base_address;
585 	u64 length;
586 	u32 reserved;
587 };
588 
589 /*******************************************************************************
590  *
591  * IVRS - I/O Virtualization Reporting Structure
592  *        Version 1
593  *
594  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
595  * Revision 1.26, February 2009.
596  *
597  ******************************************************************************/
598 
599 struct acpi_table_ivrs {
600 	struct acpi_table_header header;	/* Common ACPI table header */
601 	u32 info;		/* Common virtualization info */
602 	u64 reserved;
603 };
604 
605 /* Values for Info field above */
606 
607 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
608 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
609 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
610 
611 /* IVRS subtable header */
612 
613 struct acpi_ivrs_header {
614 	u8 type;		/* Subtable type */
615 	u8 flags;
616 	u16 length;		/* Subtable length */
617 	u16 device_id;		/* ID of IOMMU */
618 };
619 
620 /* Values for subtable Type above */
621 
622 enum acpi_ivrs_type {
623 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
624 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
625 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
626 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
627 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
628 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
629 };
630 
631 /* Masks for Flags field above for IVHD subtable */
632 
633 #define ACPI_IVHD_TT_ENABLE         (1)
634 #define ACPI_IVHD_PASS_PW           (1<<1)
635 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
636 #define ACPI_IVHD_ISOC              (1<<3)
637 #define ACPI_IVHD_IOTLB             (1<<4)
638 
639 /* Masks for Flags field above for IVMD subtable */
640 
641 #define ACPI_IVMD_UNITY             (1)
642 #define ACPI_IVMD_READ              (1<<1)
643 #define ACPI_IVMD_WRITE             (1<<2)
644 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
645 
646 /*
647  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
648  */
649 
650 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
651 
652 struct acpi_ivrs_hardware_10 {
653 	struct acpi_ivrs_header header;
654 	u16 capability_offset;	/* Offset for IOMMU control fields */
655 	u64 base_address;	/* IOMMU control registers */
656 	u16 pci_segment_group;
657 	u16 info;		/* MSI number and unit ID */
658 	u32 feature_reporting;
659 };
660 
661 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
662 
663 struct acpi_ivrs_hardware_11 {
664 	struct acpi_ivrs_header header;
665 	u16 capability_offset;	/* Offset for IOMMU control fields */
666 	u64 base_address;	/* IOMMU control registers */
667 	u16 pci_segment_group;
668 	u16 info;		/* MSI number and unit ID */
669 	u32 attributes;
670 	u64 efr_register_image;
671 	u64 reserved;
672 };
673 
674 /* Masks for Info field above */
675 
676 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
677 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
678 
679 /*
680  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
681  * Upper two bits of the Type field are the (encoded) length of the structure.
682  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
683  * are reserved for future use but not defined.
684  */
685 struct acpi_ivrs_de_header {
686 	u8 type;
687 	u16 id;
688 	u8 data_setting;
689 };
690 
691 /* Length of device entry is in the top two bits of Type field above */
692 
693 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
694 
695 /* Values for device entry Type field above */
696 
697 enum acpi_ivrs_device_entry_type {
698 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
699 
700 	ACPI_IVRS_TYPE_PAD4 = 0,
701 	ACPI_IVRS_TYPE_ALL = 1,
702 	ACPI_IVRS_TYPE_SELECT = 2,
703 	ACPI_IVRS_TYPE_START = 3,
704 	ACPI_IVRS_TYPE_END = 4,
705 
706 	/* 8-byte device entries */
707 
708 	ACPI_IVRS_TYPE_PAD8 = 64,
709 	ACPI_IVRS_TYPE_NOT_USED = 65,
710 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
711 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
712 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
713 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
714 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
715 
716 	/* Variable-length device entries */
717 
718 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
719 };
720 
721 /* Values for Data field above */
722 
723 #define ACPI_IVHD_INIT_PASS         (1)
724 #define ACPI_IVHD_EINT_PASS         (1<<1)
725 #define ACPI_IVHD_NMI_PASS          (1<<2)
726 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
727 #define ACPI_IVHD_LINT0_PASS        (1<<6)
728 #define ACPI_IVHD_LINT1_PASS        (1<<7)
729 
730 /* Types 0-4: 4-byte device entry */
731 
732 struct acpi_ivrs_device4 {
733 	struct acpi_ivrs_de_header header;
734 };
735 
736 /* Types 66-67: 8-byte device entry */
737 
738 struct acpi_ivrs_device8a {
739 	struct acpi_ivrs_de_header header;
740 	u8 reserved1;
741 	u16 used_id;
742 	u8 reserved2;
743 };
744 
745 /* Types 70-71: 8-byte device entry */
746 
747 struct acpi_ivrs_device8b {
748 	struct acpi_ivrs_de_header header;
749 	u32 extended_data;
750 };
751 
752 /* Values for extended_data above */
753 
754 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
755 
756 /* Type 72: 8-byte device entry */
757 
758 struct acpi_ivrs_device8c {
759 	struct acpi_ivrs_de_header header;
760 	u8 handle;
761 	u16 used_id;
762 	u8 variety;
763 };
764 
765 /* Values for Variety field above */
766 
767 #define ACPI_IVHD_IOAPIC            1
768 #define ACPI_IVHD_HPET              2
769 
770 /* Type 240: variable-length device entry */
771 
772 struct acpi_ivrs_device_hid {
773 	struct acpi_ivrs_de_header header;
774 	u64 acpi_hid;
775 	u64 acpi_cid;
776 	u8 uid_type;
777 	u8 uid_length;
778 };
779 
780 /* Values for uid_type above */
781 
782 #define ACPI_IVRS_UID_NOT_PRESENT   0
783 #define ACPI_IVRS_UID_IS_INTEGER    1
784 #define ACPI_IVRS_UID_IS_STRING     2
785 
786 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
787 
788 struct acpi_ivrs_memory {
789 	struct acpi_ivrs_header header;
790 	u16 aux_data;
791 	u64 reserved;
792 	u64 start_address;
793 	u64 memory_length;
794 };
795 
796 /*******************************************************************************
797  *
798  * LPIT - Low Power Idle Table
799  *
800  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
801  *
802  ******************************************************************************/
803 
804 struct acpi_table_lpit {
805 	struct acpi_table_header header;	/* Common ACPI table header */
806 };
807 
808 /* LPIT subtable header */
809 
810 struct acpi_lpit_header {
811 	u32 type;		/* Subtable type */
812 	u32 length;		/* Subtable length */
813 	u16 unique_id;
814 	u16 reserved;
815 	u32 flags;
816 };
817 
818 /* Values for subtable Type above */
819 
820 enum acpi_lpit_type {
821 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
822 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
823 };
824 
825 /* Masks for Flags field above  */
826 
827 #define ACPI_LPIT_STATE_DISABLED    (1)
828 #define ACPI_LPIT_NO_COUNTER        (1<<1)
829 
830 /*
831  * LPIT subtables, correspond to Type in struct acpi_lpit_header
832  */
833 
834 /* 0x00: Native C-state instruction based LPI structure */
835 
836 struct acpi_lpit_native {
837 	struct acpi_lpit_header header;
838 	struct acpi_generic_address entry_trigger;
839 	u32 residency;
840 	u32 latency;
841 	struct acpi_generic_address residency_counter;
842 	u64 counter_frequency;
843 };
844 
845 /*******************************************************************************
846  *
847  * MADT - Multiple APIC Description Table
848  *        Version 3
849  *
850  ******************************************************************************/
851 
852 struct acpi_table_madt {
853 	struct acpi_table_header header;	/* Common ACPI table header */
854 	u32 address;		/* Physical address of local APIC */
855 	u32 flags;
856 };
857 
858 /* Masks for Flags field above */
859 
860 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
861 
862 /* Values for PCATCompat flag */
863 
864 #define ACPI_MADT_DUAL_PIC          1
865 #define ACPI_MADT_MULTIPLE_APIC     0
866 
867 /* Values for MADT subtable type in struct acpi_subtable_header */
868 
869 enum acpi_madt_type {
870 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
871 	ACPI_MADT_TYPE_IO_APIC = 1,
872 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
873 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
874 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
875 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
876 	ACPI_MADT_TYPE_IO_SAPIC = 6,
877 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
878 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
879 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
880 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
881 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
882 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
883 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
884 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
885 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
886 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
887 	ACPI_MADT_TYPE_CORE_PIC = 17,
888 	ACPI_MADT_TYPE_LIO_PIC = 18,
889 	ACPI_MADT_TYPE_HT_PIC = 19,
890 	ACPI_MADT_TYPE_EIO_PIC = 20,
891 	ACPI_MADT_TYPE_MSI_PIC = 21,
892 	ACPI_MADT_TYPE_BIO_PIC = 22,
893 	ACPI_MADT_TYPE_LPC_PIC = 23,
894 	ACPI_MADT_TYPE_RINTC = 24,
895 	ACPI_MADT_TYPE_RESERVED = 25,	/* 25 to 0x7F are reserved */
896 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
897 };
898 
899 /*
900  * MADT Subtables, correspond to Type in struct acpi_subtable_header
901  */
902 
903 /* 0: Processor Local APIC */
904 
905 struct acpi_madt_local_apic {
906 	struct acpi_subtable_header header;
907 	u8 processor_id;	/* ACPI processor id */
908 	u8 id;			/* Processor's local APIC id */
909 	u32 lapic_flags;
910 };
911 
912 /* 1: IO APIC */
913 
914 struct acpi_madt_io_apic {
915 	struct acpi_subtable_header header;
916 	u8 id;			/* I/O APIC ID */
917 	u8 reserved;		/* reserved - must be zero */
918 	u32 address;		/* APIC physical address */
919 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
920 };
921 
922 /* 2: Interrupt Override */
923 
924 struct acpi_madt_interrupt_override {
925 	struct acpi_subtable_header header;
926 	u8 bus;			/* 0 - ISA */
927 	u8 source_irq;		/* Interrupt source (IRQ) */
928 	u32 global_irq;		/* Global system interrupt */
929 	u16 inti_flags;
930 };
931 
932 /* 3: NMI Source */
933 
934 struct acpi_madt_nmi_source {
935 	struct acpi_subtable_header header;
936 	u16 inti_flags;
937 	u32 global_irq;		/* Global system interrupt */
938 };
939 
940 /* 4: Local APIC NMI */
941 
942 struct acpi_madt_local_apic_nmi {
943 	struct acpi_subtable_header header;
944 	u8 processor_id;	/* ACPI processor id */
945 	u16 inti_flags;
946 	u8 lint;		/* LINTn to which NMI is connected */
947 };
948 
949 /* 5: Address Override */
950 
951 struct acpi_madt_local_apic_override {
952 	struct acpi_subtable_header header;
953 	u16 reserved;		/* Reserved, must be zero */
954 	u64 address;		/* APIC physical address */
955 };
956 
957 /* 6: I/O Sapic */
958 
959 struct acpi_madt_io_sapic {
960 	struct acpi_subtable_header header;
961 	u8 id;			/* I/O SAPIC ID */
962 	u8 reserved;		/* Reserved, must be zero */
963 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
964 	u64 address;		/* SAPIC physical address */
965 };
966 
967 /* 7: Local Sapic */
968 
969 struct acpi_madt_local_sapic {
970 	struct acpi_subtable_header header;
971 	u8 processor_id;	/* ACPI processor id */
972 	u8 id;			/* SAPIC ID */
973 	u8 eid;			/* SAPIC EID */
974 	u8 reserved[3];		/* Reserved, must be zero */
975 	u32 lapic_flags;
976 	u32 uid;		/* Numeric UID - ACPI 3.0 */
977 	char uid_string[1];	/* String UID  - ACPI 3.0 */
978 };
979 
980 /* 8: Platform Interrupt Source */
981 
982 struct acpi_madt_interrupt_source {
983 	struct acpi_subtable_header header;
984 	u16 inti_flags;
985 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
986 	u8 id;			/* Processor ID */
987 	u8 eid;			/* Processor EID */
988 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
989 	u32 global_irq;		/* Global system interrupt */
990 	u32 flags;		/* Interrupt Source Flags */
991 };
992 
993 /* Masks for Flags field above */
994 
995 #define ACPI_MADT_CPEI_OVERRIDE     (1)
996 
997 /* 9: Processor Local X2APIC (ACPI 4.0) */
998 
999 struct acpi_madt_local_x2apic {
1000 	struct acpi_subtable_header header;
1001 	u16 reserved;		/* reserved - must be zero */
1002 	u32 local_apic_id;	/* Processor x2APIC ID  */
1003 	u32 lapic_flags;
1004 	u32 uid;		/* ACPI processor UID */
1005 };
1006 
1007 /* 10: Local X2APIC NMI (ACPI 4.0) */
1008 
1009 struct acpi_madt_local_x2apic_nmi {
1010 	struct acpi_subtable_header header;
1011 	u16 inti_flags;
1012 	u32 uid;		/* ACPI processor UID */
1013 	u8 lint;		/* LINTn to which NMI is connected */
1014 	u8 reserved[3];		/* reserved - must be zero */
1015 };
1016 
1017 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */
1018 
1019 struct acpi_madt_generic_interrupt {
1020 	struct acpi_subtable_header header;
1021 	u16 reserved;		/* reserved - must be zero */
1022 	u32 cpu_interface_number;
1023 	u32 uid;
1024 	u32 flags;
1025 	u32 parking_version;
1026 	u32 performance_interrupt;
1027 	u64 parked_address;
1028 	u64 base_address;
1029 	u64 gicv_base_address;
1030 	u64 gich_base_address;
1031 	u32 vgic_interrupt;
1032 	u64 gicr_base_address;
1033 	u64 arm_mpidr;
1034 	u8 efficiency_class;
1035 	u8 reserved2[1];
1036 	u16 spe_interrupt;	/* ACPI 6.3 */
1037 	u16 trbe_interrupt;	/* ACPI 6.5 */
1038 };
1039 
1040 /* Masks for Flags field above */
1041 
1042 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1043 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1044 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1045 
1046 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1047 
1048 struct acpi_madt_generic_distributor {
1049 	struct acpi_subtable_header header;
1050 	u16 reserved;		/* reserved - must be zero */
1051 	u32 gic_id;
1052 	u64 base_address;
1053 	u32 global_irq_base;
1054 	u8 version;
1055 	u8 reserved2[3];	/* reserved - must be zero */
1056 };
1057 
1058 /* Values for Version field above */
1059 
1060 enum acpi_madt_gic_version {
1061 	ACPI_MADT_GIC_VERSION_NONE = 0,
1062 	ACPI_MADT_GIC_VERSION_V1 = 1,
1063 	ACPI_MADT_GIC_VERSION_V2 = 2,
1064 	ACPI_MADT_GIC_VERSION_V3 = 3,
1065 	ACPI_MADT_GIC_VERSION_V4 = 4,
1066 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1067 };
1068 
1069 /* 13: Generic MSI Frame (ACPI 5.1) */
1070 
1071 struct acpi_madt_generic_msi_frame {
1072 	struct acpi_subtable_header header;
1073 	u16 reserved;		/* reserved - must be zero */
1074 	u32 msi_frame_id;
1075 	u64 base_address;
1076 	u32 flags;
1077 	u16 spi_count;
1078 	u16 spi_base;
1079 };
1080 
1081 /* Masks for Flags field above */
1082 
1083 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1084 
1085 /* 14: Generic Redistributor (ACPI 5.1) */
1086 
1087 struct acpi_madt_generic_redistributor {
1088 	struct acpi_subtable_header header;
1089 	u16 reserved;		/* reserved - must be zero */
1090 	u64 base_address;
1091 	u32 length;
1092 };
1093 
1094 /* 15: Generic Translator (ACPI 6.0) */
1095 
1096 struct acpi_madt_generic_translator {
1097 	struct acpi_subtable_header header;
1098 	u16 reserved;		/* reserved - must be zero */
1099 	u32 translation_id;
1100 	u64 base_address;
1101 	u32 reserved2;
1102 };
1103 
1104 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1105 
1106 struct acpi_madt_multiproc_wakeup {
1107 	struct acpi_subtable_header header;
1108 	u16 mailbox_version;
1109 	u32 reserved;		/* reserved - must be zero */
1110 	u64 base_address;
1111 };
1112 
1113 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1114 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1115 
1116 struct acpi_madt_multiproc_wakeup_mailbox {
1117 	u16 command;
1118 	u16 reserved;		/* reserved - must be zero */
1119 	u32 apic_id;
1120 	u64 wakeup_vector;
1121 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1122 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1123 };
1124 
1125 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1126 
1127 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1128 
1129 struct acpi_madt_core_pic {
1130 	struct acpi_subtable_header header;
1131 	u8 version;
1132 	u32 processor_id;
1133 	u32 core_id;
1134 	u32 flags;
1135 };
1136 
1137 /* Values for Version field above */
1138 
1139 enum acpi_madt_core_pic_version {
1140 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1141 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1142 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1143 };
1144 
1145 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1146 
1147 struct acpi_madt_lio_pic {
1148 	struct acpi_subtable_header header;
1149 	u8 version;
1150 	u64 address;
1151 	u16 size;
1152 	u8 cascade[2];
1153 	u32 cascade_map[2];
1154 };
1155 
1156 /* Values for Version field above */
1157 
1158 enum acpi_madt_lio_pic_version {
1159 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1160 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1161 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1162 };
1163 
1164 /* 19: HT Interrupt Controller (ACPI 6.5) */
1165 
1166 struct acpi_madt_ht_pic {
1167 	struct acpi_subtable_header header;
1168 	u8 version;
1169 	u64 address;
1170 	u16 size;
1171 	u8 cascade[8];
1172 };
1173 
1174 /* Values for Version field above */
1175 
1176 enum acpi_madt_ht_pic_version {
1177 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1178 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1179 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1180 };
1181 
1182 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1183 
1184 struct acpi_madt_eio_pic {
1185 	struct acpi_subtable_header header;
1186 	u8 version;
1187 	u8 cascade;
1188 	u8 node;
1189 	u64 node_map;
1190 };
1191 
1192 /* Values for Version field above */
1193 
1194 enum acpi_madt_eio_pic_version {
1195 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1196 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1197 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1198 };
1199 
1200 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1201 
1202 struct acpi_madt_msi_pic {
1203 	struct acpi_subtable_header header;
1204 	u8 version;
1205 	u64 msg_address;
1206 	u32 start;
1207 	u32 count;
1208 };
1209 
1210 /* Values for Version field above */
1211 
1212 enum acpi_madt_msi_pic_version {
1213 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1214 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1215 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1216 };
1217 
1218 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1219 
1220 struct acpi_madt_bio_pic {
1221 	struct acpi_subtable_header header;
1222 	u8 version;
1223 	u64 address;
1224 	u16 size;
1225 	u16 id;
1226 	u16 gsi_base;
1227 };
1228 
1229 /* Values for Version field above */
1230 
1231 enum acpi_madt_bio_pic_version {
1232 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1233 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1234 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1235 };
1236 
1237 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1238 
1239 struct acpi_madt_lpc_pic {
1240 	struct acpi_subtable_header header;
1241 	u8 version;
1242 	u64 address;
1243 	u16 size;
1244 	u8 cascade;
1245 };
1246 
1247 /* Values for Version field above */
1248 
1249 enum acpi_madt_lpc_pic_version {
1250 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1251 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1252 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1253 };
1254 
1255 /* 24: RISC-V INTC */
1256 struct acpi_madt_rintc {
1257 	struct acpi_subtable_header header;
1258 	u8 version;
1259 	u8 reserved;
1260 	u32 flags;
1261 	u64 hart_id;
1262 	u32 uid;		/* ACPI processor UID */
1263 };
1264 
1265 /* Values for RISC-V INTC Version field above */
1266 
1267 enum acpi_madt_rintc_version {
1268 	ACPI_MADT_RINTC_VERSION_NONE = 0,
1269 	ACPI_MADT_RINTC_VERSION_V1 = 1,
1270 	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1271 };
1272 
1273 /* 80: OEM data */
1274 
1275 struct acpi_madt_oem_data {
1276 	u8 oem_data[0];
1277 };
1278 
1279 /*
1280  * Common flags fields for MADT subtables
1281  */
1282 
1283 /* MADT Local APIC flags */
1284 
1285 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1286 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1287 
1288 /* MADT MPS INTI flags (inti_flags) */
1289 
1290 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1291 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1292 
1293 /* Values for MPS INTI flags */
1294 
1295 #define ACPI_MADT_POLARITY_CONFORMS       0
1296 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1297 #define ACPI_MADT_POLARITY_RESERVED       2
1298 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1299 
1300 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1301 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1302 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1303 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1304 
1305 /*******************************************************************************
1306  *
1307  * MCFG - PCI Memory Mapped Configuration table and subtable
1308  *        Version 1
1309  *
1310  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1311  *
1312  ******************************************************************************/
1313 
1314 struct acpi_table_mcfg {
1315 	struct acpi_table_header header;	/* Common ACPI table header */
1316 	u8 reserved[8];
1317 };
1318 
1319 /* Subtable */
1320 
1321 struct acpi_mcfg_allocation {
1322 	u64 address;		/* Base address, processor-relative */
1323 	u16 pci_segment;	/* PCI segment group number */
1324 	u8 start_bus_number;	/* Starting PCI Bus number */
1325 	u8 end_bus_number;	/* Final PCI Bus number */
1326 	u32 reserved;
1327 };
1328 
1329 /*******************************************************************************
1330  *
1331  * MCHI - Management Controller Host Interface Table
1332  *        Version 1
1333  *
1334  * Conforms to "Management Component Transport Protocol (MCTP) Host
1335  * Interface Specification", Revision 1.0.0a, October 13, 2009
1336  *
1337  ******************************************************************************/
1338 
1339 struct acpi_table_mchi {
1340 	struct acpi_table_header header;	/* Common ACPI table header */
1341 	u8 interface_type;
1342 	u8 protocol;
1343 	u64 protocol_data;
1344 	u8 interrupt_type;
1345 	u8 gpe;
1346 	u8 pci_device_flag;
1347 	u32 global_interrupt;
1348 	struct acpi_generic_address control_register;
1349 	u8 pci_segment;
1350 	u8 pci_bus;
1351 	u8 pci_device;
1352 	u8 pci_function;
1353 };
1354 
1355 /*******************************************************************************
1356  *
1357  * MPAM - Memory System Resource Partitioning and Monitoring
1358  *
1359  * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1360  * Document number: ARM DEN 0065, December, 2022.
1361  *
1362  ******************************************************************************/
1363 
1364 /* MPAM RIS locator types. Table 11, Location types */
1365 enum acpi_mpam_locator_type {
1366 	ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1367 	ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1368 	ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1369 	ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1370 	ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1371 	ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1372 	ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1373 };
1374 
1375 /* MPAM Functional dependency descriptor. Table 10 */
1376 struct acpi_mpam_func_deps {
1377 	u32 producer;
1378 	u32 reserved;
1379 };
1380 
1381 /* MPAM Processor cache locator descriptor. Table 13 */
1382 struct acpi_mpam_resource_cache_locator {
1383 	u64 cache_reference;
1384 	u32 reserved;
1385 };
1386 
1387 /* MPAM Memory locator descriptor. Table 14 */
1388 struct acpi_mpam_resource_memory_locator {
1389 	u64 proximity_domain;
1390 	u32 reserved;
1391 };
1392 
1393 /* MPAM SMMU locator descriptor. Table 15 */
1394 struct acpi_mpam_resource_smmu_locator {
1395 	u64 smmu_interface;
1396 	u32 reserved;
1397 };
1398 
1399 /* MPAM Memory-side cache locator descriptor. Table 16 */
1400 struct acpi_mpam_resource_memcache_locator {
1401 	u8 reserved[7];
1402 	u8 level;
1403 	u32 reference;
1404 };
1405 
1406 /* MPAM ACPI device locator descriptor. Table 17 */
1407 struct acpi_mpam_resource_acpi_locator {
1408 	u64 acpi_hw_id;
1409 	u32 acpi_unique_id;
1410 };
1411 
1412 /* MPAM Interconnect locator descriptor. Table 18 */
1413 struct acpi_mpam_resource_interconnect_locator {
1414 	u64 inter_connect_desc_tbl_off;
1415 	u32 reserved;
1416 };
1417 
1418 /* MPAM Locator structure. Table 12 */
1419 struct acpi_mpam_resource_generic_locator {
1420 	u64 descriptor1;
1421 	u32 descriptor2;
1422 };
1423 
1424 union acpi_mpam_resource_locator {
1425 	struct acpi_mpam_resource_cache_locator cache_locator;
1426 	struct acpi_mpam_resource_memory_locator memory_locator;
1427 	struct acpi_mpam_resource_smmu_locator smmu_locator;
1428 	struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1429 	struct acpi_mpam_resource_acpi_locator acpi_locator;
1430 	struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1431 	struct acpi_mpam_resource_generic_locator generic_locator;
1432 };
1433 
1434 /* Memory System Component Resource Node Structure Table 9 */
1435 struct acpi_mpam_resource_node {
1436 	u32 identifier;
1437 	u8 ris_index;
1438 	u16 reserved1;
1439 	u8 locator_type;
1440 	union acpi_mpam_resource_locator locator;
1441 	u32 num_functional_deps;
1442 };
1443 
1444 /* Memory System Component (MSC) Node Structure. Table 4 */
1445 struct acpi_mpam_msc_node {
1446 	u16 length;
1447 	u8 interface_type;
1448 	u8 reserved;
1449 	u32 identifier;
1450 	u64 base_address;
1451 	u32 mmio_size;
1452 	u32 overflow_interrupt;
1453 	u32 overflow_interrupt_flags;
1454 	u32 reserved1;
1455 	u32 overflow_interrupt_affinity;
1456 	u32 error_interrupt;
1457 	u32 error_interrupt_flags;
1458 	u32 reserved2;
1459 	u32 error_interrupt_affinity;
1460 	u32 max_nrdy_usec;
1461 	u64 hardware_id_linked_device;
1462 	u32 instance_id_linked_device;
1463 	u32 num_resouce_nodes;
1464 };
1465 
1466 struct acpi_table_mpam {
1467 	struct acpi_table_header header;	/* Common ACPI table header */
1468 };
1469 
1470 /*******************************************************************************
1471  *
1472  * MPST - Memory Power State Table (ACPI 5.0)
1473  *        Version 1
1474  *
1475  ******************************************************************************/
1476 
1477 #define ACPI_MPST_CHANNEL_INFO \
1478 	u8                              channel_id; \
1479 	u8                              reserved1[3]; \
1480 	u16                             power_node_count; \
1481 	u16                             reserved2;
1482 
1483 /* Main table */
1484 
1485 struct acpi_table_mpst {
1486 	struct acpi_table_header header;	/* Common ACPI table header */
1487 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1488 };
1489 
1490 /* Memory Platform Communication Channel Info */
1491 
1492 struct acpi_mpst_channel {
1493 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1494 };
1495 
1496 /* Memory Power Node Structure */
1497 
1498 struct acpi_mpst_power_node {
1499 	u8 flags;
1500 	u8 reserved1;
1501 	u16 node_id;
1502 	u32 length;
1503 	u64 range_address;
1504 	u64 range_length;
1505 	u32 num_power_states;
1506 	u32 num_physical_components;
1507 };
1508 
1509 /* Values for Flags field above */
1510 
1511 #define ACPI_MPST_ENABLED               1
1512 #define ACPI_MPST_POWER_MANAGED         2
1513 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1514 
1515 /* Memory Power State Structure (follows POWER_NODE above) */
1516 
1517 struct acpi_mpst_power_state {
1518 	u8 power_state;
1519 	u8 info_index;
1520 };
1521 
1522 /* Physical Component ID Structure (follows POWER_STATE above) */
1523 
1524 struct acpi_mpst_component {
1525 	u16 component_id;
1526 };
1527 
1528 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1529 
1530 struct acpi_mpst_data_hdr {
1531 	u16 characteristics_count;
1532 	u16 reserved;
1533 };
1534 
1535 struct acpi_mpst_power_data {
1536 	u8 structure_id;
1537 	u8 flags;
1538 	u16 reserved1;
1539 	u32 average_power;
1540 	u32 power_saving;
1541 	u64 exit_latency;
1542 	u64 reserved2;
1543 };
1544 
1545 /* Values for Flags field above */
1546 
1547 #define ACPI_MPST_PRESERVE              1
1548 #define ACPI_MPST_AUTOENTRY             2
1549 #define ACPI_MPST_AUTOEXIT              4
1550 
1551 /* Shared Memory Region (not part of an ACPI table) */
1552 
1553 struct acpi_mpst_shared {
1554 	u32 signature;
1555 	u16 pcc_command;
1556 	u16 pcc_status;
1557 	u32 command_register;
1558 	u32 status_register;
1559 	u32 power_state_id;
1560 	u32 power_node_id;
1561 	u64 energy_consumed;
1562 	u64 average_power;
1563 };
1564 
1565 /*******************************************************************************
1566  *
1567  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1568  *        Version 1
1569  *
1570  ******************************************************************************/
1571 
1572 struct acpi_table_msct {
1573 	struct acpi_table_header header;	/* Common ACPI table header */
1574 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1575 	u32 max_proximity_domains;	/* Max number of proximity domains */
1576 	u32 max_clock_domains;	/* Max number of clock domains */
1577 	u64 max_address;	/* Max physical address in system */
1578 };
1579 
1580 /* subtable - Maximum Proximity Domain Information. Version 1 */
1581 
1582 struct acpi_msct_proximity {
1583 	u8 revision;
1584 	u8 length;
1585 	u32 range_start;	/* Start of domain range */
1586 	u32 range_end;		/* End of domain range */
1587 	u32 processor_capacity;
1588 	u64 memory_capacity;	/* In bytes */
1589 };
1590 
1591 /*******************************************************************************
1592  *
1593  * MSDM - Microsoft Data Management table
1594  *
1595  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1596  * November 29, 2011. Copyright 2011 Microsoft
1597  *
1598  ******************************************************************************/
1599 
1600 /* Basic MSDM table is only the common ACPI header */
1601 
1602 struct acpi_table_msdm {
1603 	struct acpi_table_header header;	/* Common ACPI table header */
1604 };
1605 
1606 /*******************************************************************************
1607  *
1608  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1609  *        Version 1
1610  *
1611  ******************************************************************************/
1612 
1613 struct acpi_table_nfit {
1614 	struct acpi_table_header header;	/* Common ACPI table header */
1615 	u32 reserved;		/* Reserved, must be zero */
1616 };
1617 
1618 /* Subtable header for NFIT */
1619 
1620 struct acpi_nfit_header {
1621 	u16 type;
1622 	u16 length;
1623 };
1624 
1625 /* Values for subtable type in struct acpi_nfit_header */
1626 
1627 enum acpi_nfit_type {
1628 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1629 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1630 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1631 	ACPI_NFIT_TYPE_SMBIOS = 3,
1632 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1633 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1634 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1635 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1636 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1637 };
1638 
1639 /*
1640  * NFIT Subtables
1641  */
1642 
1643 /* 0: System Physical Address Range Structure */
1644 
1645 struct acpi_nfit_system_address {
1646 	struct acpi_nfit_header header;
1647 	u16 range_index;
1648 	u16 flags;
1649 	u32 reserved;		/* Reserved, must be zero */
1650 	u32 proximity_domain;
1651 	u8 range_guid[16];
1652 	u64 address;
1653 	u64 length;
1654 	u64 memory_mapping;
1655 	u64 location_cookie;	/* ACPI 6.4 */
1656 };
1657 
1658 /* Flags */
1659 
1660 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1661 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1662 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1663 
1664 /* Range Type GUIDs appear in the include/acuuid.h file */
1665 
1666 /* 1: Memory Device to System Address Range Map Structure */
1667 
1668 struct acpi_nfit_memory_map {
1669 	struct acpi_nfit_header header;
1670 	u32 device_handle;
1671 	u16 physical_id;
1672 	u16 region_id;
1673 	u16 range_index;
1674 	u16 region_index;
1675 	u64 region_size;
1676 	u64 region_offset;
1677 	u64 address;
1678 	u16 interleave_index;
1679 	u16 interleave_ways;
1680 	u16 flags;
1681 	u16 reserved;		/* Reserved, must be zero */
1682 };
1683 
1684 /* Flags */
1685 
1686 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1687 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1688 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1689 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1690 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1691 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1692 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1693 
1694 /* 2: Interleave Structure */
1695 
1696 struct acpi_nfit_interleave {
1697 	struct acpi_nfit_header header;
1698 	u16 interleave_index;
1699 	u16 reserved;		/* Reserved, must be zero */
1700 	u32 line_count;
1701 	u32 line_size;
1702 	u32 line_offset[1];	/* Variable length */
1703 };
1704 
1705 /* 3: SMBIOS Management Information Structure */
1706 
1707 struct acpi_nfit_smbios {
1708 	struct acpi_nfit_header header;
1709 	u32 reserved;		/* Reserved, must be zero */
1710 	u8 data[1];		/* Variable length */
1711 };
1712 
1713 /* 4: NVDIMM Control Region Structure */
1714 
1715 struct acpi_nfit_control_region {
1716 	struct acpi_nfit_header header;
1717 	u16 region_index;
1718 	u16 vendor_id;
1719 	u16 device_id;
1720 	u16 revision_id;
1721 	u16 subsystem_vendor_id;
1722 	u16 subsystem_device_id;
1723 	u16 subsystem_revision_id;
1724 	u8 valid_fields;
1725 	u8 manufacturing_location;
1726 	u16 manufacturing_date;
1727 	u8 reserved[2];		/* Reserved, must be zero */
1728 	u32 serial_number;
1729 	u16 code;
1730 	u16 windows;
1731 	u64 window_size;
1732 	u64 command_offset;
1733 	u64 command_size;
1734 	u64 status_offset;
1735 	u64 status_size;
1736 	u16 flags;
1737 	u8 reserved1[6];	/* Reserved, must be zero */
1738 };
1739 
1740 /* Flags */
1741 
1742 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1743 
1744 /* valid_fields bits */
1745 
1746 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1747 
1748 /* 5: NVDIMM Block Data Window Region Structure */
1749 
1750 struct acpi_nfit_data_region {
1751 	struct acpi_nfit_header header;
1752 	u16 region_index;
1753 	u16 windows;
1754 	u64 offset;
1755 	u64 size;
1756 	u64 capacity;
1757 	u64 start_address;
1758 };
1759 
1760 /* 6: Flush Hint Address Structure */
1761 
1762 struct acpi_nfit_flush_address {
1763 	struct acpi_nfit_header header;
1764 	u32 device_handle;
1765 	u16 hint_count;
1766 	u8 reserved[6];		/* Reserved, must be zero */
1767 	u64 hint_address[1];	/* Variable length */
1768 };
1769 
1770 /* 7: Platform Capabilities Structure */
1771 
1772 struct acpi_nfit_capabilities {
1773 	struct acpi_nfit_header header;
1774 	u8 highest_capability;
1775 	u8 reserved[3];		/* Reserved, must be zero */
1776 	u32 capabilities;
1777 	u32 reserved2;
1778 };
1779 
1780 /* Capabilities Flags */
1781 
1782 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1783 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1784 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1785 
1786 /*
1787  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1788  */
1789 struct nfit_device_handle {
1790 	u32 handle;
1791 };
1792 
1793 /* Device handle construction and extraction macros */
1794 
1795 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1796 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1797 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1798 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1799 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1800 
1801 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1802 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1803 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1804 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1805 #define ACPI_NFIT_NODE_ID_OFFSET                16
1806 
1807 /* Macro to construct a NFIT/NVDIMM device handle */
1808 
1809 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1810 	((dimm)                                         | \
1811 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1812 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1813 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1814 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1815 
1816 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1817 
1818 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1819 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1820 
1821 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1822 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1823 
1824 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1825 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1826 
1827 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1828 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1829 
1830 #define ACPI_NFIT_GET_NODE_ID(handle) \
1831 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1832 
1833 /*******************************************************************************
1834  *
1835  * NHLT - Non HD Audio Link Table
1836  *
1837  * Conforms to: Intel Smart Sound Technology NHLT Specification
1838  * Version 0.8.1, January 2020.
1839  *
1840  ******************************************************************************/
1841 
1842 /* Main table */
1843 
1844 struct acpi_table_nhlt {
1845 	struct acpi_table_header header;	/* Common ACPI table header */
1846 	u8 endpoint_count;
1847 };
1848 
1849 struct acpi_nhlt_endpoint {
1850 	u32 descriptor_length;
1851 	u8 link_type;
1852 	u8 instance_id;
1853 	u16 vendor_id;
1854 	u16 device_id;
1855 	u16 revision_id;
1856 	u32 subsystem_id;
1857 	u8 device_type;
1858 	u8 direction;
1859 	u8 virtual_bus_id;
1860 };
1861 
1862 /* Types for link_type field above */
1863 
1864 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1865 #define ACPI_NHLT_RESERVED_DSP              1
1866 #define ACPI_NHLT_PDM                       2
1867 #define ACPI_NHLT_SSP                       3
1868 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1869 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1870 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1871 
1872 /* All other values above are reserved */
1873 
1874 /* Values for device_id field above */
1875 
1876 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1877 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1878 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1879 
1880 /* Values for device_type field above */
1881 
1882 /* SSP Link */
1883 
1884 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1885 #define ACPI_NHLT_LINK_FM                   1
1886 #define ACPI_NHLT_LINK_MODEM                2
1887 /* 3 is reserved */
1888 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1889 
1890 /* PDM Link */
1891 
1892 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1893 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1894 
1895 /* Values for Direction field above */
1896 
1897 #define ACPI_NHLT_DIR_RENDER                0
1898 #define ACPI_NHLT_DIR_CAPTURE               1
1899 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1900 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1901 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1902 
1903 struct acpi_nhlt_device_specific_config {
1904 	u32 capabilities_size;
1905 	u8 virtual_slot;
1906 	u8 config_type;
1907 };
1908 
1909 struct acpi_nhlt_device_specific_config_a {
1910 	u32 capabilities_size;
1911 	u8 virtual_slot;
1912 	u8 config_type;
1913 	u8 array_type;
1914 };
1915 
1916 /* Values for Config Type above */
1917 
1918 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1919 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1920 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1921 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1922 
1923 struct acpi_nhlt_device_specific_config_b {
1924 	u32 capabilities_size;
1925 };
1926 
1927 struct acpi_nhlt_device_specific_config_c {
1928 	u32 capabilities_size;
1929 	u8 virtual_slot;
1930 };
1931 
1932 struct acpi_nhlt_render_device_specific_config {
1933 	u32 capabilities_size;
1934 	u8 virtual_slot;
1935 };
1936 
1937 struct acpi_nhlt_wave_extensible {
1938 	u16 format_tag;
1939 	u16 channel_count;
1940 	u32 samples_per_sec;
1941 	u32 avg_bytes_per_sec;
1942 	u16 block_align;
1943 	u16 bits_per_sample;
1944 	u16 extra_format_size;
1945 	u16 valid_bits_per_sample;
1946 	u32 channel_mask;
1947 	u8 sub_format_guid[16];
1948 };
1949 
1950 /* Values for channel_mask above */
1951 
1952 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1953 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1954 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1955 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1956 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1957 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1958 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1959 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1960 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1961 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1962 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1963 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1964 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1965 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1966 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1967 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1968 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1969 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1970 
1971 struct acpi_nhlt_format_config {
1972 	struct acpi_nhlt_wave_extensible format;
1973 	u32 capability_size;
1974 	u8 capabilities[];
1975 };
1976 
1977 struct acpi_nhlt_formats_config {
1978 	u8 formats_count;
1979 };
1980 
1981 struct acpi_nhlt_device_specific_hdr {
1982 	u8 virtual_slot;
1983 	u8 config_type;
1984 };
1985 
1986 /* Types for config_type above */
1987 
1988 #define ACPI_NHLT_GENERIC                   0
1989 #define ACPI_NHLT_MIC                       1
1990 #define ACPI_NHLT_RENDER                    3
1991 
1992 struct acpi_nhlt_mic_device_specific_config {
1993 	struct acpi_nhlt_device_specific_hdr device_config;
1994 	u8 array_type_ext;
1995 };
1996 
1997 /* Values for array_type_ext above */
1998 
1999 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
2000 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
2001 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
2002 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
2003 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
2004 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
2005 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
2006 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
2007 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
2008 
2009 #define ACPI_NHLT_NO_EXTENSION                      0x0
2010 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
2011 
2012 struct acpi_nhlt_vendor_mic_count {
2013 	u8 microphone_count;
2014 };
2015 
2016 struct acpi_nhlt_vendor_mic_config {
2017 	u8 type;
2018 	u8 panel;
2019 	u16 speaker_position_distance;	/* mm */
2020 	u16 horizontal_offset;	/* mm */
2021 	u16 vertical_offset;	/* mm */
2022 	u8 frequency_low_band;	/* 5*Hz */
2023 	u8 frequency_high_band;	/* 500*Hz */
2024 	u16 direction_angle;	/* -180 - + 180 */
2025 	u16 elevation_angle;	/* -180 - + 180 */
2026 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
2027 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
2028 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
2029 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
2030 };
2031 
2032 /* Values for Type field above */
2033 
2034 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
2035 #define ACPI_NHLT_MIC_SUBCARDIOID           1
2036 #define ACPI_NHLT_MIC_CARDIOID              2
2037 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
2038 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
2039 #define ACPI_NHLT_MIC_8_SHAPED              5
2040 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
2041 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
2042 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
2043 
2044 /* Values for Panel field above */
2045 
2046 #define ACPI_NHLT_MIC_POSITION_TOP          0
2047 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
2048 #define ACPI_NHLT_MIC_POSITION_LEFT         2
2049 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
2050 #define ACPI_NHLT_MIC_POSITION_FRONT        4
2051 #define ACPI_NHLT_MIC_POSITION_BACK         5
2052 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
2053 
2054 struct acpi_nhlt_vendor_mic_device_specific_config {
2055 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
2056 	u8 number_of_microphones;
2057 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
2058 };
2059 
2060 /* Microphone SNR and Sensitivity extension */
2061 
2062 struct acpi_nhlt_mic_snr_sensitivity_extension {
2063 	u32 SNR;
2064 	u32 sensitivity;
2065 };
2066 
2067 /* Render device with feedback */
2068 
2069 struct acpi_nhlt_render_feedback_device_specific_config {
2070 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
2071 	u16 feedback_channels;	/* Informative only */
2072 	u16 feedback_valid_bits_per_sample;
2073 };
2074 
2075 /* Non documented structures */
2076 
2077 struct acpi_nhlt_device_info_count {
2078 	u8 structure_count;
2079 };
2080 
2081 struct acpi_nhlt_device_info {
2082 	u8 device_id[16];
2083 	u8 device_instance_id;
2084 	u8 device_port_id;
2085 };
2086 
2087 /*******************************************************************************
2088  *
2089  * PCCT - Platform Communications Channel Table (ACPI 5.0)
2090  *        Version 2 (ACPI 6.2)
2091  *
2092  ******************************************************************************/
2093 
2094 struct acpi_table_pcct {
2095 	struct acpi_table_header header;	/* Common ACPI table header */
2096 	u32 flags;
2097 	u64 reserved;
2098 };
2099 
2100 /* Values for Flags field above */
2101 
2102 #define ACPI_PCCT_DOORBELL              1
2103 
2104 /* Values for subtable type in struct acpi_subtable_header */
2105 
2106 enum acpi_pcct_type {
2107 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2108 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2109 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
2110 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
2111 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
2112 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
2113 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
2114 };
2115 
2116 /*
2117  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2118  */
2119 
2120 /* 0: Generic Communications Subspace */
2121 
2122 struct acpi_pcct_subspace {
2123 	struct acpi_subtable_header header;
2124 	u8 reserved[6];
2125 	u64 base_address;
2126 	u64 length;
2127 	struct acpi_generic_address doorbell_register;
2128 	u64 preserve_mask;
2129 	u64 write_mask;
2130 	u32 latency;
2131 	u32 max_access_rate;
2132 	u16 min_turnaround_time;
2133 };
2134 
2135 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2136 
2137 struct acpi_pcct_hw_reduced {
2138 	struct acpi_subtable_header header;
2139 	u32 platform_interrupt;
2140 	u8 flags;
2141 	u8 reserved;
2142 	u64 base_address;
2143 	u64 length;
2144 	struct acpi_generic_address doorbell_register;
2145 	u64 preserve_mask;
2146 	u64 write_mask;
2147 	u32 latency;
2148 	u32 max_access_rate;
2149 	u16 min_turnaround_time;
2150 };
2151 
2152 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2153 
2154 struct acpi_pcct_hw_reduced_type2 {
2155 	struct acpi_subtable_header header;
2156 	u32 platform_interrupt;
2157 	u8 flags;
2158 	u8 reserved;
2159 	u64 base_address;
2160 	u64 length;
2161 	struct acpi_generic_address doorbell_register;
2162 	u64 preserve_mask;
2163 	u64 write_mask;
2164 	u32 latency;
2165 	u32 max_access_rate;
2166 	u16 min_turnaround_time;
2167 	struct acpi_generic_address platform_ack_register;
2168 	u64 ack_preserve_mask;
2169 	u64 ack_write_mask;
2170 };
2171 
2172 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2173 
2174 struct acpi_pcct_ext_pcc_master {
2175 	struct acpi_subtable_header header;
2176 	u32 platform_interrupt;
2177 	u8 flags;
2178 	u8 reserved1;
2179 	u64 base_address;
2180 	u32 length;
2181 	struct acpi_generic_address doorbell_register;
2182 	u64 preserve_mask;
2183 	u64 write_mask;
2184 	u32 latency;
2185 	u32 max_access_rate;
2186 	u32 min_turnaround_time;
2187 	struct acpi_generic_address platform_ack_register;
2188 	u64 ack_preserve_mask;
2189 	u64 ack_set_mask;
2190 	u64 reserved2;
2191 	struct acpi_generic_address cmd_complete_register;
2192 	u64 cmd_complete_mask;
2193 	struct acpi_generic_address cmd_update_register;
2194 	u64 cmd_update_preserve_mask;
2195 	u64 cmd_update_set_mask;
2196 	struct acpi_generic_address error_status_register;
2197 	u64 error_status_mask;
2198 };
2199 
2200 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2201 
2202 struct acpi_pcct_ext_pcc_slave {
2203 	struct acpi_subtable_header header;
2204 	u32 platform_interrupt;
2205 	u8 flags;
2206 	u8 reserved1;
2207 	u64 base_address;
2208 	u32 length;
2209 	struct acpi_generic_address doorbell_register;
2210 	u64 preserve_mask;
2211 	u64 write_mask;
2212 	u32 latency;
2213 	u32 max_access_rate;
2214 	u32 min_turnaround_time;
2215 	struct acpi_generic_address platform_ack_register;
2216 	u64 ack_preserve_mask;
2217 	u64 ack_set_mask;
2218 	u64 reserved2;
2219 	struct acpi_generic_address cmd_complete_register;
2220 	u64 cmd_complete_mask;
2221 	struct acpi_generic_address cmd_update_register;
2222 	u64 cmd_update_preserve_mask;
2223 	u64 cmd_update_set_mask;
2224 	struct acpi_generic_address error_status_register;
2225 	u64 error_status_mask;
2226 };
2227 
2228 /* 5: HW Registers based Communications Subspace */
2229 
2230 struct acpi_pcct_hw_reg {
2231 	struct acpi_subtable_header header;
2232 	u16 version;
2233 	u64 base_address;
2234 	u64 length;
2235 	struct acpi_generic_address doorbell_register;
2236 	u64 doorbell_preserve;
2237 	u64 doorbell_write;
2238 	struct acpi_generic_address cmd_complete_register;
2239 	u64 cmd_complete_mask;
2240 	struct acpi_generic_address error_status_register;
2241 	u64 error_status_mask;
2242 	u32 nominal_latency;
2243 	u32 min_turnaround_time;
2244 };
2245 
2246 /* Values for doorbell flags above */
2247 
2248 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2249 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2250 
2251 /*
2252  * PCC memory structures (not part of the ACPI table)
2253  */
2254 
2255 /* Shared Memory Region */
2256 
2257 struct acpi_pcct_shared_memory {
2258 	u32 signature;
2259 	u16 command;
2260 	u16 status;
2261 };
2262 
2263 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2264 
2265 struct acpi_pcct_ext_pcc_shared_memory {
2266 	u32 signature;
2267 	u32 flags;
2268 	u32 length;
2269 	u32 command;
2270 };
2271 
2272 /*******************************************************************************
2273  *
2274  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2275  *        Version 0
2276  *
2277  ******************************************************************************/
2278 
2279 struct acpi_table_pdtt {
2280 	struct acpi_table_header header;	/* Common ACPI table header */
2281 	u8 trigger_count;
2282 	u8 reserved[3];
2283 	u32 array_offset;
2284 };
2285 
2286 /*
2287  * PDTT Communication Channel Identifier Structure.
2288  * The number of these structures is defined by trigger_count above,
2289  * starting at array_offset.
2290  */
2291 struct acpi_pdtt_channel {
2292 	u8 subchannel_id;
2293 	u8 flags;
2294 };
2295 
2296 /* Flags for above */
2297 
2298 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2299 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2300 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2301 
2302 /*******************************************************************************
2303  *
2304  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2305  *        Version 1
2306  *
2307  ******************************************************************************/
2308 
2309 struct acpi_table_phat {
2310 	struct acpi_table_header header;	/* Common ACPI table header */
2311 };
2312 
2313 /* Common header for PHAT subtables that follow main table */
2314 
2315 struct acpi_phat_header {
2316 	u16 type;
2317 	u16 length;
2318 	u8 revision;
2319 };
2320 
2321 /* Values for Type field above */
2322 
2323 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2324 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2325 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2326 
2327 /*
2328  * PHAT subtables, correspond to Type in struct acpi_phat_header
2329  */
2330 
2331 /* 0: Firmware Version Data Record */
2332 
2333 struct acpi_phat_version_data {
2334 	struct acpi_phat_header header;
2335 	u8 reserved[3];
2336 	u32 element_count;
2337 };
2338 
2339 struct acpi_phat_version_element {
2340 	u8 guid[16];
2341 	u64 version_value;
2342 	u32 producer_id;
2343 };
2344 
2345 /* 1: Firmware Health Data Record */
2346 
2347 struct acpi_phat_health_data {
2348 	struct acpi_phat_header header;
2349 	u8 reserved[2];
2350 	u8 health;
2351 	u8 device_guid[16];
2352 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2353 };
2354 
2355 /* Values for Health field above */
2356 
2357 #define ACPI_PHAT_ERRORS_FOUND          0
2358 #define ACPI_PHAT_NO_ERRORS             1
2359 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2360 #define ACPI_PHAT_ADVISORY              3
2361 
2362 /*******************************************************************************
2363  *
2364  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2365  *        Version 1
2366  *
2367  ******************************************************************************/
2368 
2369 struct acpi_table_pmtt {
2370 	struct acpi_table_header header;	/* Common ACPI table header */
2371 	u32 memory_device_count;
2372 	/*
2373 	 * Immediately followed by:
2374 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2375 	 */
2376 };
2377 
2378 /* Common header for PMTT subtables that follow main table */
2379 
2380 struct acpi_pmtt_header {
2381 	u8 type;
2382 	u8 reserved1;
2383 	u16 length;
2384 	u16 flags;
2385 	u16 reserved2;
2386 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2387 	/*
2388 	 * Immediately followed by:
2389 	 * u8 type_specific_data[]
2390 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2391 	 */
2392 };
2393 
2394 /* Values for Type field above */
2395 
2396 #define ACPI_PMTT_TYPE_SOCKET           0
2397 #define ACPI_PMTT_TYPE_CONTROLLER       1
2398 #define ACPI_PMTT_TYPE_DIMM             2
2399 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2400 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2401 
2402 /* Values for Flags field above */
2403 
2404 #define ACPI_PMTT_TOP_LEVEL             0x0001
2405 #define ACPI_PMTT_PHYSICAL              0x0002
2406 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2407 
2408 /*
2409  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2410  */
2411 
2412 /* 0: Socket Structure */
2413 
2414 struct acpi_pmtt_socket {
2415 	struct acpi_pmtt_header header;
2416 	u16 socket_id;
2417 	u16 reserved;
2418 };
2419 	/*
2420 	 * Immediately followed by:
2421 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2422 	 */
2423 
2424 /* 1: Memory Controller subtable */
2425 
2426 struct acpi_pmtt_controller {
2427 	struct acpi_pmtt_header header;
2428 	u16 controller_id;
2429 	u16 reserved;
2430 };
2431 	/*
2432 	 * Immediately followed by:
2433 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2434 	 */
2435 
2436 /* 2: Physical Component Identifier (DIMM) */
2437 
2438 struct acpi_pmtt_physical_component {
2439 	struct acpi_pmtt_header header;
2440 	u32 bios_handle;
2441 };
2442 
2443 /* 0xFF: Vendor Specific Data */
2444 
2445 struct acpi_pmtt_vendor_specific {
2446 	struct acpi_pmtt_header header;
2447 	u8 type_uuid[16];
2448 	u8 specific[];
2449 	/*
2450 	 * Immediately followed by:
2451 	 * u8 vendor_specific_data[];
2452 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2453 	 */
2454 };
2455 
2456 /*******************************************************************************
2457  *
2458  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2459  *        Version 1
2460  *
2461  ******************************************************************************/
2462 
2463 struct acpi_table_pptt {
2464 	struct acpi_table_header header;	/* Common ACPI table header */
2465 };
2466 
2467 /* Values for Type field above */
2468 
2469 enum acpi_pptt_type {
2470 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2471 	ACPI_PPTT_TYPE_CACHE = 1,
2472 	ACPI_PPTT_TYPE_ID = 2,
2473 	ACPI_PPTT_TYPE_RESERVED = 3
2474 };
2475 
2476 /* 0: Processor Hierarchy Node Structure */
2477 
2478 struct acpi_pptt_processor {
2479 	struct acpi_subtable_header header;
2480 	u16 reserved;
2481 	u32 flags;
2482 	u32 parent;
2483 	u32 acpi_processor_id;
2484 	u32 number_of_priv_resources;
2485 };
2486 
2487 /* Flags */
2488 
2489 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2490 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2491 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2492 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2493 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2494 
2495 /* 1: Cache Type Structure */
2496 
2497 struct acpi_pptt_cache {
2498 	struct acpi_subtable_header header;
2499 	u16 reserved;
2500 	u32 flags;
2501 	u32 next_level_of_cache;
2502 	u32 size;
2503 	u32 number_of_sets;
2504 	u8 associativity;
2505 	u8 attributes;
2506 	u16 line_size;
2507 };
2508 
2509 /* 1: Cache Type Structure for PPTT version 3 */
2510 
2511 struct acpi_pptt_cache_v1 {
2512 	u32 cache_id;
2513 };
2514 
2515 /* Flags */
2516 
2517 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2518 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2519 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2520 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2521 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2522 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2523 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2524 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2525 
2526 /* Masks for Attributes */
2527 
2528 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2529 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2530 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2531 
2532 /* Attributes describing cache */
2533 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2534 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2535 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2536 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2537 
2538 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2539 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2540 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2541 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2542 
2543 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2544 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2545 
2546 /* 2: ID Structure */
2547 
2548 struct acpi_pptt_id {
2549 	struct acpi_subtable_header header;
2550 	u16 reserved;
2551 	u32 vendor_id;
2552 	u64 level1_id;
2553 	u64 level2_id;
2554 	u16 major_rev;
2555 	u16 minor_rev;
2556 	u16 spin_rev;
2557 };
2558 
2559 /*******************************************************************************
2560  *
2561  * PRMT - Platform Runtime Mechanism Table
2562  *        Version 1
2563  *
2564  ******************************************************************************/
2565 
2566 struct acpi_table_prmt {
2567 	struct acpi_table_header header;	/* Common ACPI table header */
2568 };
2569 
2570 struct acpi_table_prmt_header {
2571 	u8 platform_guid[16];
2572 	u32 module_info_offset;
2573 	u32 module_info_count;
2574 };
2575 
2576 struct acpi_prmt_module_header {
2577 	u16 revision;
2578 	u16 length;
2579 };
2580 
2581 struct acpi_prmt_module_info {
2582 	u16 revision;
2583 	u16 length;
2584 	u8 module_guid[16];
2585 	u16 major_rev;
2586 	u16 minor_rev;
2587 	u16 handler_info_count;
2588 	u32 handler_info_offset;
2589 	u64 mmio_list_pointer;
2590 };
2591 
2592 struct acpi_prmt_handler_info {
2593 	u16 revision;
2594 	u16 length;
2595 	u8 handler_guid[16];
2596 	u64 handler_address;
2597 	u64 static_data_buffer_address;
2598 	u64 acpi_param_buffer_address;
2599 };
2600 
2601 /*******************************************************************************
2602  *
2603  * RASF - RAS Feature Table (ACPI 5.0)
2604  *        Version 1
2605  *
2606  ******************************************************************************/
2607 
2608 struct acpi_table_rasf {
2609 	struct acpi_table_header header;	/* Common ACPI table header */
2610 	u8 channel_id[12];
2611 };
2612 
2613 /* RASF Platform Communication Channel Shared Memory Region */
2614 
2615 struct acpi_rasf_shared_memory {
2616 	u32 signature;
2617 	u16 command;
2618 	u16 status;
2619 	u16 version;
2620 	u8 capabilities[16];
2621 	u8 set_capabilities[16];
2622 	u16 num_parameter_blocks;
2623 	u32 set_capabilities_status;
2624 };
2625 
2626 /* RASF Parameter Block Structure Header */
2627 
2628 struct acpi_rasf_parameter_block {
2629 	u16 type;
2630 	u16 version;
2631 	u16 length;
2632 };
2633 
2634 /* RASF Parameter Block Structure for PATROL_SCRUB */
2635 
2636 struct acpi_rasf_patrol_scrub_parameter {
2637 	struct acpi_rasf_parameter_block header;
2638 	u16 patrol_scrub_command;
2639 	u64 requested_address_range[2];
2640 	u64 actual_address_range[2];
2641 	u16 flags;
2642 	u8 requested_speed;
2643 };
2644 
2645 /* Masks for Flags and Speed fields above */
2646 
2647 #define ACPI_RASF_SCRUBBER_RUNNING      1
2648 #define ACPI_RASF_SPEED                 (7<<1)
2649 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2650 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2651 #define ACPI_RASF_SPEED_FAST            (7<<1)
2652 
2653 /* Channel Commands */
2654 
2655 enum acpi_rasf_commands {
2656 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2657 };
2658 
2659 /* Platform RAS Capabilities */
2660 
2661 enum acpi_rasf_capabiliities {
2662 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2663 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2664 };
2665 
2666 /* Patrol Scrub Commands */
2667 
2668 enum acpi_rasf_patrol_scrub_commands {
2669 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2670 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2671 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2672 };
2673 
2674 /* Channel Command flags */
2675 
2676 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2677 
2678 /* Status values */
2679 
2680 enum acpi_rasf_status {
2681 	ACPI_RASF_SUCCESS = 0,
2682 	ACPI_RASF_NOT_VALID = 1,
2683 	ACPI_RASF_NOT_SUPPORTED = 2,
2684 	ACPI_RASF_BUSY = 3,
2685 	ACPI_RASF_FAILED = 4,
2686 	ACPI_RASF_ABORTED = 5,
2687 	ACPI_RASF_INVALID_DATA = 6
2688 };
2689 
2690 /* Status flags */
2691 
2692 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2693 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2694 #define ACPI_RASF_ERROR                 (1<<2)
2695 #define ACPI_RASF_STATUS                (0x1F<<3)
2696 
2697 /*******************************************************************************
2698  *
2699  * RGRT - Regulatory Graphics Resource Table
2700  *        Version 1
2701  *
2702  * Conforms to "ACPI RGRT" available at:
2703  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2704  *
2705  ******************************************************************************/
2706 
2707 struct acpi_table_rgrt {
2708 	struct acpi_table_header header;	/* Common ACPI table header */
2709 	u16 version;
2710 	u8 image_type;
2711 	u8 reserved;
2712 	u8 image[];
2713 };
2714 
2715 /* image_type values */
2716 
2717 enum acpi_rgrt_image_type {
2718 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2719 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2720 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2721 };
2722 
2723 /*******************************************************************************
2724  *
2725  * SBST - Smart Battery Specification Table
2726  *        Version 1
2727  *
2728  ******************************************************************************/
2729 
2730 struct acpi_table_sbst {
2731 	struct acpi_table_header header;	/* Common ACPI table header */
2732 	u32 warning_level;
2733 	u32 low_level;
2734 	u32 critical_level;
2735 };
2736 
2737 /*******************************************************************************
2738  *
2739  * SDEI - Software Delegated Exception Interface Descriptor Table
2740  *
2741  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2742  * May 8th, 2017. Copyright 2017 ARM Ltd.
2743  *
2744  ******************************************************************************/
2745 
2746 struct acpi_table_sdei {
2747 	struct acpi_table_header header;	/* Common ACPI table header */
2748 };
2749 
2750 /*******************************************************************************
2751  *
2752  * SDEV - Secure Devices Table (ACPI 6.2)
2753  *        Version 1
2754  *
2755  ******************************************************************************/
2756 
2757 struct acpi_table_sdev {
2758 	struct acpi_table_header header;	/* Common ACPI table header */
2759 };
2760 
2761 struct acpi_sdev_header {
2762 	u8 type;
2763 	u8 flags;
2764 	u16 length;
2765 };
2766 
2767 /* Values for subtable type above */
2768 
2769 enum acpi_sdev_type {
2770 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2771 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2772 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2773 };
2774 
2775 /* Values for flags above */
2776 
2777 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2778 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2779 
2780 /*
2781  * SDEV subtables
2782  */
2783 
2784 /* 0: Namespace Device Based Secure Device Structure */
2785 
2786 struct acpi_sdev_namespace {
2787 	struct acpi_sdev_header header;
2788 	u16 device_id_offset;
2789 	u16 device_id_length;
2790 	u16 vendor_data_offset;
2791 	u16 vendor_data_length;
2792 };
2793 
2794 struct acpi_sdev_secure_component {
2795 	u16 secure_component_offset;
2796 	u16 secure_component_length;
2797 };
2798 
2799 /*
2800  * SDEV sub-subtables ("Components") for above
2801  */
2802 struct acpi_sdev_component {
2803 	struct acpi_sdev_header header;
2804 };
2805 
2806 /* Values for sub-subtable type above */
2807 
2808 enum acpi_sac_type {
2809 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2810 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2811 };
2812 
2813 struct acpi_sdev_id_component {
2814 	struct acpi_sdev_header header;
2815 	u16 hardware_id_offset;
2816 	u16 hardware_id_length;
2817 	u16 subsystem_id_offset;
2818 	u16 subsystem_id_length;
2819 	u16 hardware_revision;
2820 	u8 hardware_rev_present;
2821 	u8 class_code_present;
2822 	u8 pci_base_class;
2823 	u8 pci_sub_class;
2824 	u8 pci_programming_xface;
2825 };
2826 
2827 struct acpi_sdev_mem_component {
2828 	struct acpi_sdev_header header;
2829 	u32 reserved;
2830 	u64 memory_base_address;
2831 	u64 memory_length;
2832 };
2833 
2834 /* 1: PCIe Endpoint Device Based Device Structure */
2835 
2836 struct acpi_sdev_pcie {
2837 	struct acpi_sdev_header header;
2838 	u16 segment;
2839 	u16 start_bus;
2840 	u16 path_offset;
2841 	u16 path_length;
2842 	u16 vendor_data_offset;
2843 	u16 vendor_data_length;
2844 };
2845 
2846 /* 1a: PCIe Endpoint path entry */
2847 
2848 struct acpi_sdev_pcie_path {
2849 	u8 device;
2850 	u8 function;
2851 };
2852 
2853 /*******************************************************************************
2854  *
2855  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2856  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2857  *        Trust Domain Extensions (Intel TDX)".
2858  *        Version 1
2859  *
2860  ******************************************************************************/
2861 
2862 struct acpi_table_svkl {
2863 	struct acpi_table_header header;	/* Common ACPI table header */
2864 	u32 count;
2865 };
2866 
2867 struct acpi_svkl_key {
2868 	u16 type;
2869 	u16 format;
2870 	u32 size;
2871 	u64 address;
2872 };
2873 
2874 enum acpi_svkl_type {
2875 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2876 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2877 };
2878 
2879 enum acpi_svkl_format {
2880 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2881 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2882 };
2883 
2884 /*******************************************************************************
2885  *
2886  * TDEL - TD-Event Log
2887  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2888  *        Trust Domain Extensions (Intel TDX)".
2889  *        September 2020
2890  *
2891  ******************************************************************************/
2892 
2893 struct acpi_table_tdel {
2894 	struct acpi_table_header header;	/* Common ACPI table header */
2895 	u32 reserved;
2896 	u64 log_area_minimum_length;
2897 	u64 log_area_start_address;
2898 };
2899 
2900 /* Reset to default packing */
2901 
2902 #pragma pack()
2903 
2904 #endif				/* __ACTBL2_H__ */
2905