xref: /openbmc/linux/include/acpi/actbl2.h (revision 6d425d7c)
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 - 2021, 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_BDAT           "BDAT"	/* BIOS Data ACPI Table */
28 #define ACPI_SIG_IORT           "IORT"	/* IO Remapping Table */
29 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
30 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
31 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
32 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
33 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
34 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
35 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics Table */
36 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
37 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
38 #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
39 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
40 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
41 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
42 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
43 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
44 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
45 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
46 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
47 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
48 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
49 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
50 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
51 
52 /*
53  * All tables must be byte-packed to match the ACPI specification, since
54  * the tables are provided by the system BIOS.
55  */
56 #pragma pack(1)
57 
58 /*
59  * Note: C bitfields are not used for this reason:
60  *
61  * "Bitfields are great and easy to read, but unfortunately the C language
62  * does not specify the layout of bitfields in memory, which means they are
63  * essentially useless for dealing with packed data in on-disk formats or
64  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
65  * this decision was a design error in C. Ritchie could have picked an order
66  * and stuck with it." Norman Ramsey.
67  * See http://stackoverflow.com/a/1053662/41661
68  */
69 
70 /*******************************************************************************
71  *
72  * AEST - Arm Error Source Table
73  *
74  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
75  * September 2020.
76  *
77  ******************************************************************************/
78 
79 struct acpi_table_aest {
80 	struct acpi_table_header header;
81 	void *node_array[];
82 };
83 
84 /* Common Subtable header - one per Node Structure (Subtable) */
85 
86 struct acpi_aest_hdr {
87 	u8 type;
88 	u16 length;
89 	u8 reserved;
90 	u32 node_specific_offset;
91 	u32 node_interface_offset;
92 	u32 node_interrupt_offset;
93 	u32 node_interrupt_count;
94 	u64 timestamp_rate;
95 	u64 reserved1;
96 	u64 error_injection_rate;
97 };
98 
99 /* Values for Type above */
100 
101 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
102 #define ACPI_AEST_MEMORY_ERROR_NODE         1
103 #define ACPI_AEST_SMMU_ERROR_NODE           2
104 #define ACPI_AEST_VENDOR_ERROR_NODE         3
105 #define ACPI_AEST_GIC_ERROR_NODE            4
106 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
107 
108 /*
109  * AEST subtables (Error nodes)
110  */
111 
112 /* 0: Processor Error */
113 
114 typedef struct acpi_aest_processor {
115 	u32 processor_id;
116 	u8 resource_type;
117 	u8 reserved;
118 	u8 flags;
119 	u8 revision;
120 	u64 processor_affinity;
121 
122 } acpi_aest_processor;
123 
124 /* Values for resource_type above, related structs below */
125 
126 #define ACPI_AEST_CACHE_RESOURCE            0
127 #define ACPI_AEST_TLB_RESOURCE              1
128 #define ACPI_AEST_GENERIC_RESOURCE          2
129 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
130 
131 /* 0R: Processor Cache Resource Substructure */
132 
133 typedef struct acpi_aest_processor_cache {
134 	u32 cache_reference;
135 	u32 reserved;
136 
137 } acpi_aest_processor_cache;
138 
139 /* Values for cache_type above */
140 
141 #define ACPI_AEST_CACHE_DATA                0
142 #define ACPI_AEST_CACHE_INSTRUCTION         1
143 #define ACPI_AEST_CACHE_UNIFIED             2
144 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
145 
146 /* 1R: Processor TLB Resource Substructure */
147 
148 typedef struct acpi_aest_processor_tlb {
149 	u32 tlb_level;
150 	u32 reserved;
151 
152 } acpi_aest_processor_tlb;
153 
154 /* 2R: Processor Generic Resource Substructure */
155 
156 typedef struct acpi_aest_processor_generic {
157 	u8 *resource;
158 
159 } acpi_aest_processor_generic;
160 
161 /* 1: Memory Error */
162 
163 typedef struct acpi_aest_memory {
164 	u32 srat_proximity_domain;
165 
166 } acpi_aest_memory;
167 
168 /* 2: Smmu Error */
169 
170 typedef struct acpi_aest_smmu {
171 	u32 iort_node_reference;
172 	u32 subcomponent_reference;
173 
174 } acpi_aest_smmu;
175 
176 /* 3: Vendor Defined */
177 
178 typedef struct acpi_aest_vendor {
179 	u32 acpi_hid;
180 	u32 acpi_uid;
181 	u8 vendor_specific_data[16];
182 
183 } acpi_aest_vendor;
184 
185 /* 4: Gic Error */
186 
187 typedef struct acpi_aest_gic {
188 	u32 interface_type;
189 	u32 instance_id;
190 
191 } acpi_aest_gic;
192 
193 /* Values for interface_type above */
194 
195 #define ACPI_AEST_GIC_CPU                   0
196 #define ACPI_AEST_GIC_DISTRIBUTOR           1
197 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
198 #define ACPI_AEST_GIC_ITS                   3
199 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
200 
201 /* Node Interface Structure */
202 
203 typedef struct acpi_aest_node_interface {
204 	u8 type;
205 	u8 reserved[3];
206 	u32 flags;
207 	u64 address;
208 	u32 error_record_index;
209 	u32 error_record_count;
210 	u64 error_record_implemented;
211 	u64 error_status_reporting;
212 	u64 addressing_mode;
213 
214 } acpi_aest_node_interface;
215 
216 /* Values for Type field above */
217 
218 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
219 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
220 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
221 
222 /* Node Interrupt Structure */
223 
224 typedef struct acpi_aest_node_interrupt {
225 	u8 type;
226 	u8 reserved[2];
227 	u8 flags;
228 	u32 gsiv;
229 	u8 iort_id;
230 	u8 reserved1[3];
231 
232 } acpi_aest_node_interrupt;
233 
234 /* Values for Type field above */
235 
236 #define ACPI_AEST_NODE_FAULT_HANDLING       0
237 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
238 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
239 
240 /*******************************************************************************
241  *
242  * BDAT - BIOS Data ACPI Table
243  *
244  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
245  * Nov 2020
246  *
247  ******************************************************************************/
248 
249 struct acpi_table_bdat {
250 	struct acpi_table_header header;
251 	struct acpi_generic_address gas;
252 };
253 
254 /*******************************************************************************
255  *
256  * IORT - IO Remapping Table
257  *
258  * Conforms to "IO Remapping Table System Software on ARM Platforms",
259  * Document number: ARM DEN 0049E.b, Feb 2021
260  *
261  ******************************************************************************/
262 
263 struct acpi_table_iort {
264 	struct acpi_table_header header;
265 	u32 node_count;
266 	u32 node_offset;
267 	u32 reserved;
268 };
269 
270 /*
271  * IORT subtables
272  */
273 struct acpi_iort_node {
274 	u8 type;
275 	u16 length;
276 	u8 revision;
277 	u32 identifier;
278 	u32 mapping_count;
279 	u32 mapping_offset;
280 	char node_data[1];
281 };
282 
283 /* Values for subtable Type above */
284 
285 enum acpi_iort_node_type {
286 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
287 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
288 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
289 	ACPI_IORT_NODE_SMMU = 0x03,
290 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
291 	ACPI_IORT_NODE_PMCG = 0x05,
292 	ACPI_IORT_NODE_RMR = 0x06,
293 };
294 
295 struct acpi_iort_id_mapping {
296 	u32 input_base;		/* Lowest value in input range */
297 	u32 id_count;		/* Number of IDs */
298 	u32 output_base;	/* Lowest value in output range */
299 	u32 output_reference;	/* A reference to the output node */
300 	u32 flags;
301 };
302 
303 /* Masks for Flags field above for IORT subtable */
304 
305 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
306 
307 struct acpi_iort_memory_access {
308 	u32 cache_coherency;
309 	u8 hints;
310 	u16 reserved;
311 	u8 memory_flags;
312 };
313 
314 /* Values for cache_coherency field above */
315 
316 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
317 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
318 
319 /* Masks for Hints field above */
320 
321 #define ACPI_IORT_HT_TRANSIENT          (1)
322 #define ACPI_IORT_HT_WRITE              (1<<1)
323 #define ACPI_IORT_HT_READ               (1<<2)
324 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
325 
326 /* Masks for memory_flags field above */
327 
328 #define ACPI_IORT_MF_COHERENCY          (1)
329 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
330 
331 /*
332  * IORT node specific subtables
333  */
334 struct acpi_iort_its_group {
335 	u32 its_count;
336 	u32 identifiers[1];	/* GIC ITS identifier array */
337 };
338 
339 struct acpi_iort_named_component {
340 	u32 node_flags;
341 	u64 memory_properties;	/* Memory access properties */
342 	u8 memory_address_limit;	/* Memory address size limit */
343 	char device_name[1];	/* Path of namespace object */
344 };
345 
346 /* Masks for Flags field above */
347 
348 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
349 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
350 
351 struct acpi_iort_root_complex {
352 	u64 memory_properties;	/* Memory access properties */
353 	u32 ats_attribute;
354 	u32 pci_segment_number;
355 	u8 memory_address_limit;	/* Memory address size limit */
356 	u8 reserved[3];		/* Reserved, must be zero */
357 };
358 
359 /* Masks for ats_attribute field above */
360 
361 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
362 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
363 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
364 
365 struct acpi_iort_smmu {
366 	u64 base_address;	/* SMMU base address */
367 	u64 span;		/* Length of memory range */
368 	u32 model;
369 	u32 flags;
370 	u32 global_interrupt_offset;
371 	u32 context_interrupt_count;
372 	u32 context_interrupt_offset;
373 	u32 pmu_interrupt_count;
374 	u32 pmu_interrupt_offset;
375 	u64 interrupts[1];	/* Interrupt array */
376 };
377 
378 /* Values for Model field above */
379 
380 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
381 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
382 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
383 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
384 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
385 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
386 
387 /* Masks for Flags field above */
388 
389 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
390 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
391 
392 /* Global interrupt format */
393 
394 struct acpi_iort_smmu_gsi {
395 	u32 nsg_irpt;
396 	u32 nsg_irpt_flags;
397 	u32 nsg_cfg_irpt;
398 	u32 nsg_cfg_irpt_flags;
399 };
400 
401 struct acpi_iort_smmu_v3 {
402 	u64 base_address;	/* SMMUv3 base address */
403 	u32 flags;
404 	u32 reserved;
405 	u64 vatos_address;
406 	u32 model;
407 	u32 event_gsiv;
408 	u32 pri_gsiv;
409 	u32 gerr_gsiv;
410 	u32 sync_gsiv;
411 	u32 pxm;
412 	u32 id_mapping_index;
413 };
414 
415 /* Values for Model field above */
416 
417 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
418 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
419 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
420 
421 /* Masks for Flags field above */
422 
423 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
424 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
425 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
426 
427 struct acpi_iort_pmcg {
428 	u64 page0_base_address;
429 	u32 overflow_gsiv;
430 	u32 node_reference;
431 	u64 page1_base_address;
432 };
433 
434 struct acpi_iort_rmr {
435 	u32 flags;
436 	u32 rmr_count;
437 	u32 rmr_offset;
438 };
439 
440 struct acpi_iort_rmr_desc {
441 	u64 base_address;
442 	u64 length;
443 	u32 reserved;
444 };
445 
446 /*******************************************************************************
447  *
448  * IVRS - I/O Virtualization Reporting Structure
449  *        Version 1
450  *
451  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
452  * Revision 1.26, February 2009.
453  *
454  ******************************************************************************/
455 
456 struct acpi_table_ivrs {
457 	struct acpi_table_header header;	/* Common ACPI table header */
458 	u32 info;		/* Common virtualization info */
459 	u64 reserved;
460 };
461 
462 /* Values for Info field above */
463 
464 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
465 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
466 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
467 
468 /* IVRS subtable header */
469 
470 struct acpi_ivrs_header {
471 	u8 type;		/* Subtable type */
472 	u8 flags;
473 	u16 length;		/* Subtable length */
474 	u16 device_id;		/* ID of IOMMU */
475 };
476 
477 /* Values for subtable Type above */
478 
479 enum acpi_ivrs_type {
480 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
481 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
482 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
483 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
484 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
485 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
486 };
487 
488 /* Masks for Flags field above for IVHD subtable */
489 
490 #define ACPI_IVHD_TT_ENABLE         (1)
491 #define ACPI_IVHD_PASS_PW           (1<<1)
492 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
493 #define ACPI_IVHD_ISOC              (1<<3)
494 #define ACPI_IVHD_IOTLB             (1<<4)
495 
496 /* Masks for Flags field above for IVMD subtable */
497 
498 #define ACPI_IVMD_UNITY             (1)
499 #define ACPI_IVMD_READ              (1<<1)
500 #define ACPI_IVMD_WRITE             (1<<2)
501 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
502 
503 /*
504  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
505  */
506 
507 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
508 
509 struct acpi_ivrs_hardware_10 {
510 	struct acpi_ivrs_header header;
511 	u16 capability_offset;	/* Offset for IOMMU control fields */
512 	u64 base_address;	/* IOMMU control registers */
513 	u16 pci_segment_group;
514 	u16 info;		/* MSI number and unit ID */
515 	u32 feature_reporting;
516 };
517 
518 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
519 
520 struct acpi_ivrs_hardware_11 {
521 	struct acpi_ivrs_header header;
522 	u16 capability_offset;	/* Offset for IOMMU control fields */
523 	u64 base_address;	/* IOMMU control registers */
524 	u16 pci_segment_group;
525 	u16 info;		/* MSI number and unit ID */
526 	u32 attributes;
527 	u64 efr_register_image;
528 	u64 reserved;
529 };
530 
531 /* Masks for Info field above */
532 
533 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
534 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
535 
536 /*
537  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
538  * Upper two bits of the Type field are the (encoded) length of the structure.
539  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
540  * are reserved for future use but not defined.
541  */
542 struct acpi_ivrs_de_header {
543 	u8 type;
544 	u16 id;
545 	u8 data_setting;
546 };
547 
548 /* Length of device entry is in the top two bits of Type field above */
549 
550 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
551 
552 /* Values for device entry Type field above */
553 
554 enum acpi_ivrs_device_entry_type {
555 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
556 
557 	ACPI_IVRS_TYPE_PAD4 = 0,
558 	ACPI_IVRS_TYPE_ALL = 1,
559 	ACPI_IVRS_TYPE_SELECT = 2,
560 	ACPI_IVRS_TYPE_START = 3,
561 	ACPI_IVRS_TYPE_END = 4,
562 
563 	/* 8-byte device entries */
564 
565 	ACPI_IVRS_TYPE_PAD8 = 64,
566 	ACPI_IVRS_TYPE_NOT_USED = 65,
567 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
568 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
569 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
570 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
571 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
572 
573 	/* Variable-length device entries */
574 
575 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
576 };
577 
578 /* Values for Data field above */
579 
580 #define ACPI_IVHD_INIT_PASS         (1)
581 #define ACPI_IVHD_EINT_PASS         (1<<1)
582 #define ACPI_IVHD_NMI_PASS          (1<<2)
583 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
584 #define ACPI_IVHD_LINT0_PASS        (1<<6)
585 #define ACPI_IVHD_LINT1_PASS        (1<<7)
586 
587 /* Types 0-4: 4-byte device entry */
588 
589 struct acpi_ivrs_device4 {
590 	struct acpi_ivrs_de_header header;
591 };
592 
593 /* Types 66-67: 8-byte device entry */
594 
595 struct acpi_ivrs_device8a {
596 	struct acpi_ivrs_de_header header;
597 	u8 reserved1;
598 	u16 used_id;
599 	u8 reserved2;
600 };
601 
602 /* Types 70-71: 8-byte device entry */
603 
604 struct acpi_ivrs_device8b {
605 	struct acpi_ivrs_de_header header;
606 	u32 extended_data;
607 };
608 
609 /* Values for extended_data above */
610 
611 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
612 
613 /* Type 72: 8-byte device entry */
614 
615 struct acpi_ivrs_device8c {
616 	struct acpi_ivrs_de_header header;
617 	u8 handle;
618 	u16 used_id;
619 	u8 variety;
620 };
621 
622 /* Values for Variety field above */
623 
624 #define ACPI_IVHD_IOAPIC            1
625 #define ACPI_IVHD_HPET              2
626 
627 /* Type 240: variable-length device entry */
628 
629 struct acpi_ivrs_device_hid {
630 	struct acpi_ivrs_de_header header;
631 	u64 acpi_hid;
632 	u64 acpi_cid;
633 	u8 uid_type;
634 	u8 uid_length;
635 };
636 
637 /* Values for uid_type above */
638 
639 #define ACPI_IVRS_UID_NOT_PRESENT   0
640 #define ACPI_IVRS_UID_IS_INTEGER    1
641 #define ACPI_IVRS_UID_IS_STRING     2
642 
643 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
644 
645 struct acpi_ivrs_memory {
646 	struct acpi_ivrs_header header;
647 	u16 aux_data;
648 	u64 reserved;
649 	u64 start_address;
650 	u64 memory_length;
651 };
652 
653 /*******************************************************************************
654  *
655  * LPIT - Low Power Idle Table
656  *
657  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
658  *
659  ******************************************************************************/
660 
661 struct acpi_table_lpit {
662 	struct acpi_table_header header;	/* Common ACPI table header */
663 };
664 
665 /* LPIT subtable header */
666 
667 struct acpi_lpit_header {
668 	u32 type;		/* Subtable type */
669 	u32 length;		/* Subtable length */
670 	u16 unique_id;
671 	u16 reserved;
672 	u32 flags;
673 };
674 
675 /* Values for subtable Type above */
676 
677 enum acpi_lpit_type {
678 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
679 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
680 };
681 
682 /* Masks for Flags field above  */
683 
684 #define ACPI_LPIT_STATE_DISABLED    (1)
685 #define ACPI_LPIT_NO_COUNTER        (1<<1)
686 
687 /*
688  * LPIT subtables, correspond to Type in struct acpi_lpit_header
689  */
690 
691 /* 0x00: Native C-state instruction based LPI structure */
692 
693 struct acpi_lpit_native {
694 	struct acpi_lpit_header header;
695 	struct acpi_generic_address entry_trigger;
696 	u32 residency;
697 	u32 latency;
698 	struct acpi_generic_address residency_counter;
699 	u64 counter_frequency;
700 };
701 
702 /*******************************************************************************
703  *
704  * MADT - Multiple APIC Description Table
705  *        Version 3
706  *
707  ******************************************************************************/
708 
709 struct acpi_table_madt {
710 	struct acpi_table_header header;	/* Common ACPI table header */
711 	u32 address;		/* Physical address of local APIC */
712 	u32 flags;
713 };
714 
715 /* Masks for Flags field above */
716 
717 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
718 
719 /* Values for PCATCompat flag */
720 
721 #define ACPI_MADT_DUAL_PIC          1
722 #define ACPI_MADT_MULTIPLE_APIC     0
723 
724 /* Values for MADT subtable type in struct acpi_subtable_header */
725 
726 enum acpi_madt_type {
727 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
728 	ACPI_MADT_TYPE_IO_APIC = 1,
729 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
730 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
731 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
732 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
733 	ACPI_MADT_TYPE_IO_SAPIC = 6,
734 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
735 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
736 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
737 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
738 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
739 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
740 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
741 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
742 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
743 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
744 	ACPI_MADT_TYPE_RESERVED = 17	/* 17 and greater are reserved */
745 };
746 
747 /*
748  * MADT Subtables, correspond to Type in struct acpi_subtable_header
749  */
750 
751 /* 0: Processor Local APIC */
752 
753 struct acpi_madt_local_apic {
754 	struct acpi_subtable_header header;
755 	u8 processor_id;	/* ACPI processor id */
756 	u8 id;			/* Processor's local APIC id */
757 	u32 lapic_flags;
758 };
759 
760 /* 1: IO APIC */
761 
762 struct acpi_madt_io_apic {
763 	struct acpi_subtable_header header;
764 	u8 id;			/* I/O APIC ID */
765 	u8 reserved;		/* reserved - must be zero */
766 	u32 address;		/* APIC physical address */
767 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
768 };
769 
770 /* 2: Interrupt Override */
771 
772 struct acpi_madt_interrupt_override {
773 	struct acpi_subtable_header header;
774 	u8 bus;			/* 0 - ISA */
775 	u8 source_irq;		/* Interrupt source (IRQ) */
776 	u32 global_irq;		/* Global system interrupt */
777 	u16 inti_flags;
778 };
779 
780 /* 3: NMI Source */
781 
782 struct acpi_madt_nmi_source {
783 	struct acpi_subtable_header header;
784 	u16 inti_flags;
785 	u32 global_irq;		/* Global system interrupt */
786 };
787 
788 /* 4: Local APIC NMI */
789 
790 struct acpi_madt_local_apic_nmi {
791 	struct acpi_subtable_header header;
792 	u8 processor_id;	/* ACPI processor id */
793 	u16 inti_flags;
794 	u8 lint;		/* LINTn to which NMI is connected */
795 };
796 
797 /* 5: Address Override */
798 
799 struct acpi_madt_local_apic_override {
800 	struct acpi_subtable_header header;
801 	u16 reserved;		/* Reserved, must be zero */
802 	u64 address;		/* APIC physical address */
803 };
804 
805 /* 6: I/O Sapic */
806 
807 struct acpi_madt_io_sapic {
808 	struct acpi_subtable_header header;
809 	u8 id;			/* I/O SAPIC ID */
810 	u8 reserved;		/* Reserved, must be zero */
811 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
812 	u64 address;		/* SAPIC physical address */
813 };
814 
815 /* 7: Local Sapic */
816 
817 struct acpi_madt_local_sapic {
818 	struct acpi_subtable_header header;
819 	u8 processor_id;	/* ACPI processor id */
820 	u8 id;			/* SAPIC ID */
821 	u8 eid;			/* SAPIC EID */
822 	u8 reserved[3];		/* Reserved, must be zero */
823 	u32 lapic_flags;
824 	u32 uid;		/* Numeric UID - ACPI 3.0 */
825 	char uid_string[1];	/* String UID  - ACPI 3.0 */
826 };
827 
828 /* 8: Platform Interrupt Source */
829 
830 struct acpi_madt_interrupt_source {
831 	struct acpi_subtable_header header;
832 	u16 inti_flags;
833 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
834 	u8 id;			/* Processor ID */
835 	u8 eid;			/* Processor EID */
836 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
837 	u32 global_irq;		/* Global system interrupt */
838 	u32 flags;		/* Interrupt Source Flags */
839 };
840 
841 /* Masks for Flags field above */
842 
843 #define ACPI_MADT_CPEI_OVERRIDE     (1)
844 
845 /* 9: Processor Local X2APIC (ACPI 4.0) */
846 
847 struct acpi_madt_local_x2apic {
848 	struct acpi_subtable_header header;
849 	u16 reserved;		/* reserved - must be zero */
850 	u32 local_apic_id;	/* Processor x2APIC ID  */
851 	u32 lapic_flags;
852 	u32 uid;		/* ACPI processor UID */
853 };
854 
855 /* 10: Local X2APIC NMI (ACPI 4.0) */
856 
857 struct acpi_madt_local_x2apic_nmi {
858 	struct acpi_subtable_header header;
859 	u16 inti_flags;
860 	u32 uid;		/* ACPI processor UID */
861 	u8 lint;		/* LINTn to which NMI is connected */
862 	u8 reserved[3];		/* reserved - must be zero */
863 };
864 
865 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
866 
867 struct acpi_madt_generic_interrupt {
868 	struct acpi_subtable_header header;
869 	u16 reserved;		/* reserved - must be zero */
870 	u32 cpu_interface_number;
871 	u32 uid;
872 	u32 flags;
873 	u32 parking_version;
874 	u32 performance_interrupt;
875 	u64 parked_address;
876 	u64 base_address;
877 	u64 gicv_base_address;
878 	u64 gich_base_address;
879 	u32 vgic_interrupt;
880 	u64 gicr_base_address;
881 	u64 arm_mpidr;
882 	u8 efficiency_class;
883 	u8 reserved2[1];
884 	u16 spe_interrupt;	/* ACPI 6.3 */
885 };
886 
887 /* Masks for Flags field above */
888 
889 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
890 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
891 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
892 
893 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
894 
895 struct acpi_madt_generic_distributor {
896 	struct acpi_subtable_header header;
897 	u16 reserved;		/* reserved - must be zero */
898 	u32 gic_id;
899 	u64 base_address;
900 	u32 global_irq_base;
901 	u8 version;
902 	u8 reserved2[3];	/* reserved - must be zero */
903 };
904 
905 /* Values for Version field above */
906 
907 enum acpi_madt_gic_version {
908 	ACPI_MADT_GIC_VERSION_NONE = 0,
909 	ACPI_MADT_GIC_VERSION_V1 = 1,
910 	ACPI_MADT_GIC_VERSION_V2 = 2,
911 	ACPI_MADT_GIC_VERSION_V3 = 3,
912 	ACPI_MADT_GIC_VERSION_V4 = 4,
913 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
914 };
915 
916 /* 13: Generic MSI Frame (ACPI 5.1) */
917 
918 struct acpi_madt_generic_msi_frame {
919 	struct acpi_subtable_header header;
920 	u16 reserved;		/* reserved - must be zero */
921 	u32 msi_frame_id;
922 	u64 base_address;
923 	u32 flags;
924 	u16 spi_count;
925 	u16 spi_base;
926 };
927 
928 /* Masks for Flags field above */
929 
930 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
931 
932 /* 14: Generic Redistributor (ACPI 5.1) */
933 
934 struct acpi_madt_generic_redistributor {
935 	struct acpi_subtable_header header;
936 	u16 reserved;		/* reserved - must be zero */
937 	u64 base_address;
938 	u32 length;
939 };
940 
941 /* 15: Generic Translator (ACPI 6.0) */
942 
943 struct acpi_madt_generic_translator {
944 	struct acpi_subtable_header header;
945 	u16 reserved;		/* reserved - must be zero */
946 	u32 translation_id;
947 	u64 base_address;
948 	u32 reserved2;
949 };
950 
951 /* 16: Multiprocessor wakeup (ACPI 6.4) */
952 
953 struct acpi_madt_multiproc_wakeup {
954 	struct acpi_subtable_header header;
955 	u16 mailbox_version;
956 	u32 reserved;		/* reserved - must be zero */
957 	u64 base_address;
958 };
959 
960 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE	2032
961 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE	2048
962 
963 struct acpi_madt_multiproc_wakeup_mailbox {
964 	u16 command;
965 	u16 reserved;		/* reserved - must be zero */
966 	u32 apic_id;
967 	u64 wakeup_vector;
968 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
969 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
970 };
971 
972 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
973 
974 /*
975  * Common flags fields for MADT subtables
976  */
977 
978 /* MADT Local APIC flags */
979 
980 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
981 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
982 
983 /* MADT MPS INTI flags (inti_flags) */
984 
985 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
986 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
987 
988 /* Values for MPS INTI flags */
989 
990 #define ACPI_MADT_POLARITY_CONFORMS       0
991 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
992 #define ACPI_MADT_POLARITY_RESERVED       2
993 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
994 
995 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
996 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
997 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
998 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
999 
1000 /*******************************************************************************
1001  *
1002  * MCFG - PCI Memory Mapped Configuration table and subtable
1003  *        Version 1
1004  *
1005  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1006  *
1007  ******************************************************************************/
1008 
1009 struct acpi_table_mcfg {
1010 	struct acpi_table_header header;	/* Common ACPI table header */
1011 	u8 reserved[8];
1012 };
1013 
1014 /* Subtable */
1015 
1016 struct acpi_mcfg_allocation {
1017 	u64 address;		/* Base address, processor-relative */
1018 	u16 pci_segment;	/* PCI segment group number */
1019 	u8 start_bus_number;	/* Starting PCI Bus number */
1020 	u8 end_bus_number;	/* Final PCI Bus number */
1021 	u32 reserved;
1022 };
1023 
1024 /*******************************************************************************
1025  *
1026  * MCHI - Management Controller Host Interface Table
1027  *        Version 1
1028  *
1029  * Conforms to "Management Component Transport Protocol (MCTP) Host
1030  * Interface Specification", Revision 1.0.0a, October 13, 2009
1031  *
1032  ******************************************************************************/
1033 
1034 struct acpi_table_mchi {
1035 	struct acpi_table_header header;	/* Common ACPI table header */
1036 	u8 interface_type;
1037 	u8 protocol;
1038 	u64 protocol_data;
1039 	u8 interrupt_type;
1040 	u8 gpe;
1041 	u8 pci_device_flag;
1042 	u32 global_interrupt;
1043 	struct acpi_generic_address control_register;
1044 	u8 pci_segment;
1045 	u8 pci_bus;
1046 	u8 pci_device;
1047 	u8 pci_function;
1048 };
1049 
1050 /*******************************************************************************
1051  *
1052  * MPST - Memory Power State Table (ACPI 5.0)
1053  *        Version 1
1054  *
1055  ******************************************************************************/
1056 
1057 #define ACPI_MPST_CHANNEL_INFO \
1058 	u8                              channel_id; \
1059 	u8                              reserved1[3]; \
1060 	u16                             power_node_count; \
1061 	u16                             reserved2;
1062 
1063 /* Main table */
1064 
1065 struct acpi_table_mpst {
1066 	struct acpi_table_header header;	/* Common ACPI table header */
1067 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1068 };
1069 
1070 /* Memory Platform Communication Channel Info */
1071 
1072 struct acpi_mpst_channel {
1073 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1074 };
1075 
1076 /* Memory Power Node Structure */
1077 
1078 struct acpi_mpst_power_node {
1079 	u8 flags;
1080 	u8 reserved1;
1081 	u16 node_id;
1082 	u32 length;
1083 	u64 range_address;
1084 	u64 range_length;
1085 	u32 num_power_states;
1086 	u32 num_physical_components;
1087 };
1088 
1089 /* Values for Flags field above */
1090 
1091 #define ACPI_MPST_ENABLED               1
1092 #define ACPI_MPST_POWER_MANAGED         2
1093 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1094 
1095 /* Memory Power State Structure (follows POWER_NODE above) */
1096 
1097 struct acpi_mpst_power_state {
1098 	u8 power_state;
1099 	u8 info_index;
1100 };
1101 
1102 /* Physical Component ID Structure (follows POWER_STATE above) */
1103 
1104 struct acpi_mpst_component {
1105 	u16 component_id;
1106 };
1107 
1108 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1109 
1110 struct acpi_mpst_data_hdr {
1111 	u16 characteristics_count;
1112 	u16 reserved;
1113 };
1114 
1115 struct acpi_mpst_power_data {
1116 	u8 structure_id;
1117 	u8 flags;
1118 	u16 reserved1;
1119 	u32 average_power;
1120 	u32 power_saving;
1121 	u64 exit_latency;
1122 	u64 reserved2;
1123 };
1124 
1125 /* Values for Flags field above */
1126 
1127 #define ACPI_MPST_PRESERVE              1
1128 #define ACPI_MPST_AUTOENTRY             2
1129 #define ACPI_MPST_AUTOEXIT              4
1130 
1131 /* Shared Memory Region (not part of an ACPI table) */
1132 
1133 struct acpi_mpst_shared {
1134 	u32 signature;
1135 	u16 pcc_command;
1136 	u16 pcc_status;
1137 	u32 command_register;
1138 	u32 status_register;
1139 	u32 power_state_id;
1140 	u32 power_node_id;
1141 	u64 energy_consumed;
1142 	u64 average_power;
1143 };
1144 
1145 /*******************************************************************************
1146  *
1147  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1148  *        Version 1
1149  *
1150  ******************************************************************************/
1151 
1152 struct acpi_table_msct {
1153 	struct acpi_table_header header;	/* Common ACPI table header */
1154 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1155 	u32 max_proximity_domains;	/* Max number of proximity domains */
1156 	u32 max_clock_domains;	/* Max number of clock domains */
1157 	u64 max_address;	/* Max physical address in system */
1158 };
1159 
1160 /* subtable - Maximum Proximity Domain Information. Version 1 */
1161 
1162 struct acpi_msct_proximity {
1163 	u8 revision;
1164 	u8 length;
1165 	u32 range_start;	/* Start of domain range */
1166 	u32 range_end;		/* End of domain range */
1167 	u32 processor_capacity;
1168 	u64 memory_capacity;	/* In bytes */
1169 };
1170 
1171 /*******************************************************************************
1172  *
1173  * MSDM - Microsoft Data Management table
1174  *
1175  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1176  * November 29, 2011. Copyright 2011 Microsoft
1177  *
1178  ******************************************************************************/
1179 
1180 /* Basic MSDM table is only the common ACPI header */
1181 
1182 struct acpi_table_msdm {
1183 	struct acpi_table_header header;	/* Common ACPI table header */
1184 };
1185 
1186 /*******************************************************************************
1187  *
1188  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1189  *        Version 1
1190  *
1191  ******************************************************************************/
1192 
1193 struct acpi_table_nfit {
1194 	struct acpi_table_header header;	/* Common ACPI table header */
1195 	u32 reserved;		/* Reserved, must be zero */
1196 };
1197 
1198 /* Subtable header for NFIT */
1199 
1200 struct acpi_nfit_header {
1201 	u16 type;
1202 	u16 length;
1203 };
1204 
1205 /* Values for subtable type in struct acpi_nfit_header */
1206 
1207 enum acpi_nfit_type {
1208 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1209 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1210 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1211 	ACPI_NFIT_TYPE_SMBIOS = 3,
1212 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1213 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1214 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1215 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1216 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1217 };
1218 
1219 /*
1220  * NFIT Subtables
1221  */
1222 
1223 /* 0: System Physical Address Range Structure */
1224 
1225 struct acpi_nfit_system_address {
1226 	struct acpi_nfit_header header;
1227 	u16 range_index;
1228 	u16 flags;
1229 	u32 reserved;		/* Reserved, must be zero */
1230 	u32 proximity_domain;
1231 	u8 range_guid[16];
1232 	u64 address;
1233 	u64 length;
1234 	u64 memory_mapping;
1235 	u64 location_cookie;	/* ACPI 6.4 */
1236 };
1237 
1238 /* Flags */
1239 
1240 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1241 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1242 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1243 
1244 /* Range Type GUIDs appear in the include/acuuid.h file */
1245 
1246 /* 1: Memory Device to System Address Range Map Structure */
1247 
1248 struct acpi_nfit_memory_map {
1249 	struct acpi_nfit_header header;
1250 	u32 device_handle;
1251 	u16 physical_id;
1252 	u16 region_id;
1253 	u16 range_index;
1254 	u16 region_index;
1255 	u64 region_size;
1256 	u64 region_offset;
1257 	u64 address;
1258 	u16 interleave_index;
1259 	u16 interleave_ways;
1260 	u16 flags;
1261 	u16 reserved;		/* Reserved, must be zero */
1262 };
1263 
1264 /* Flags */
1265 
1266 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1267 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1268 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1269 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1270 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1271 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1272 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1273 
1274 /* 2: Interleave Structure */
1275 
1276 struct acpi_nfit_interleave {
1277 	struct acpi_nfit_header header;
1278 	u16 interleave_index;
1279 	u16 reserved;		/* Reserved, must be zero */
1280 	u32 line_count;
1281 	u32 line_size;
1282 	u32 line_offset[1];	/* Variable length */
1283 };
1284 
1285 /* 3: SMBIOS Management Information Structure */
1286 
1287 struct acpi_nfit_smbios {
1288 	struct acpi_nfit_header header;
1289 	u32 reserved;		/* Reserved, must be zero */
1290 	u8 data[1];		/* Variable length */
1291 };
1292 
1293 /* 4: NVDIMM Control Region Structure */
1294 
1295 struct acpi_nfit_control_region {
1296 	struct acpi_nfit_header header;
1297 	u16 region_index;
1298 	u16 vendor_id;
1299 	u16 device_id;
1300 	u16 revision_id;
1301 	u16 subsystem_vendor_id;
1302 	u16 subsystem_device_id;
1303 	u16 subsystem_revision_id;
1304 	u8 valid_fields;
1305 	u8 manufacturing_location;
1306 	u16 manufacturing_date;
1307 	u8 reserved[2];		/* Reserved, must be zero */
1308 	u32 serial_number;
1309 	u16 code;
1310 	u16 windows;
1311 	u64 window_size;
1312 	u64 command_offset;
1313 	u64 command_size;
1314 	u64 status_offset;
1315 	u64 status_size;
1316 	u16 flags;
1317 	u8 reserved1[6];	/* Reserved, must be zero */
1318 };
1319 
1320 /* Flags */
1321 
1322 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1323 
1324 /* valid_fields bits */
1325 
1326 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1327 
1328 /* 5: NVDIMM Block Data Window Region Structure */
1329 
1330 struct acpi_nfit_data_region {
1331 	struct acpi_nfit_header header;
1332 	u16 region_index;
1333 	u16 windows;
1334 	u64 offset;
1335 	u64 size;
1336 	u64 capacity;
1337 	u64 start_address;
1338 };
1339 
1340 /* 6: Flush Hint Address Structure */
1341 
1342 struct acpi_nfit_flush_address {
1343 	struct acpi_nfit_header header;
1344 	u32 device_handle;
1345 	u16 hint_count;
1346 	u8 reserved[6];		/* Reserved, must be zero */
1347 	u64 hint_address[1];	/* Variable length */
1348 };
1349 
1350 /* 7: Platform Capabilities Structure */
1351 
1352 struct acpi_nfit_capabilities {
1353 	struct acpi_nfit_header header;
1354 	u8 highest_capability;
1355 	u8 reserved[3];		/* Reserved, must be zero */
1356 	u32 capabilities;
1357 	u32 reserved2;
1358 };
1359 
1360 /* Capabilities Flags */
1361 
1362 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1363 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1364 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1365 
1366 /*
1367  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1368  */
1369 struct nfit_device_handle {
1370 	u32 handle;
1371 };
1372 
1373 /* Device handle construction and extraction macros */
1374 
1375 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1376 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1377 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1378 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1379 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1380 
1381 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1382 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1383 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1384 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1385 #define ACPI_NFIT_NODE_ID_OFFSET                16
1386 
1387 /* Macro to construct a NFIT/NVDIMM device handle */
1388 
1389 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1390 	((dimm)                                         | \
1391 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1392 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1393 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1394 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1395 
1396 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1397 
1398 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1399 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1400 
1401 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1402 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1403 
1404 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1405 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1406 
1407 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1408 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1409 
1410 #define ACPI_NFIT_GET_NODE_ID(handle) \
1411 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1412 
1413 /*******************************************************************************
1414  *
1415  * NHLT - Non HD Audio Link Table
1416  *
1417  * Conforms to: Intel Smart Sound Technology NHLT Specification
1418  * Version 0.8.1, January 2020.
1419  *
1420  ******************************************************************************/
1421 
1422 /* Main table */
1423 
1424 struct acpi_table_nhlt {
1425 	struct acpi_table_header header;	/* Common ACPI table header */
1426 	u8 endpoint_count;
1427 };
1428 
1429 struct acpi_nhlt_endpoint {
1430 	u32 descriptor_length;
1431 	u8 link_type;
1432 	u8 instance_id;
1433 	u16 vendor_id;
1434 	u16 device_id;
1435 	u16 revision_id;
1436 	u32 subsystem_id;
1437 	u8 device_type;
1438 	u8 direction;
1439 	u8 virtual_bus_id;
1440 };
1441 
1442 /* Types for link_type field above */
1443 
1444 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1445 #define ACPI_NHLT_RESERVED_DSP              1
1446 #define ACPI_NHLT_PDM                       2
1447 #define ACPI_NHLT_SSP                       3
1448 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1449 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1450 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1451 
1452 /* All other values above are reserved */
1453 
1454 /* Values for device_id field above */
1455 
1456 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1457 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1458 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1459 
1460 /* Values for device_type field above */
1461 
1462 /* SSP Link */
1463 
1464 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1465 #define ACPI_NHLT_LINK_FM                   1
1466 #define ACPI_NHLT_LINK_MODEM                2
1467 /* 3 is reserved */
1468 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1469 
1470 /* PDM Link */
1471 
1472 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1473 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1474 
1475 /* Values for Direction field above */
1476 
1477 #define ACPI_NHLT_DIR_RENDER                0
1478 #define ACPI_NHLT_DIR_CAPTURE               1
1479 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1480 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1481 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1482 
1483 struct acpi_nhlt_device_specific_config {
1484 	u32 capabilities_size;
1485 	u8 virtual_slot;
1486 	u8 config_type;
1487 };
1488 
1489 struct acpi_nhlt_device_specific_config_a {
1490 	u32 capabilities_size;
1491 	u8 virtual_slot;
1492 	u8 config_type;
1493 	u8 array_type;
1494 };
1495 
1496 /* Values for Config Type above */
1497 
1498 #define ACPI_NHLT_TYPE_MIC_ARRAY            0x01
1499 #define ACPI_NHLT_TYPE_GENERIC              0x00
1500 
1501 /* Mask for Extension field of array_type */
1502 
1503 #define ACPI_NHLT_ARRAY_TYPE_MASK           0x10
1504 
1505 struct acpi_nhlt_device_specific_config_b {
1506 	u32 capabilities_size;
1507 };
1508 
1509 struct acpi_nhlt_device_specific_config_c {
1510 	u32 capabilities_size;
1511 	u8 virtual_slot;
1512 };
1513 
1514 struct acpi_nhlt_wave_extensible {
1515 	u16 format_tag;
1516 	u16 channel_count;
1517 	u32 samples_per_sec;
1518 	u32 avg_bytes_per_sec;
1519 	u16 block_align;
1520 	u16 bits_per_sample;
1521 	u16 extra_format_size;
1522 	u16 valid_bits_per_sample;
1523 	u32 channel_mask;
1524 	u8 sub_format_guid[16];
1525 };
1526 
1527 /* Values for channel_mask above */
1528 
1529 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1530 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1531 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1532 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1533 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1534 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1535 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1536 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1537 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1538 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1539 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1540 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1541 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1542 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1543 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1544 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1545 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1546 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1547 
1548 struct acpi_nhlt_format_config {
1549 	struct acpi_nhlt_wave_extensible format;
1550 	u32 capability_size;
1551 	u8 capabilities[];
1552 };
1553 
1554 struct acpi_nhlt_formats_config {
1555 	u8 formats_count;
1556 };
1557 
1558 struct acpi_nhlt_device_specific_hdr {
1559 	u8 virtual_slot;
1560 	u8 config_type;
1561 };
1562 
1563 /* Types for config_type above */
1564 
1565 #define ACPI_NHLT_GENERIC                   0
1566 #define ACPI_NHLT_MIC                       1
1567 #define ACPI_NHLT_RENDER                    3
1568 
1569 struct acpi_nhlt_mic_device_specific_config {
1570 	struct acpi_nhlt_device_specific_hdr device_config;
1571 	u8 array_type_ext;
1572 };
1573 
1574 /* Values for array_type_ext above */
1575 
1576 #define SMALL_LINEAR_2ELEMENT               0x0A
1577 #define BIG_LINEAR_2ELEMENT                 0x0B
1578 #define FIRST_GEOMETRY_LINEAR_4ELEMENT      0x0C
1579 #define PLANAR_LSHAPED_4ELEMENT             0x0D
1580 #define SECOND_GEOMETRY_LINEAR_4ELEMENT     0x0E
1581 #define VENDOR_DEFINED                      0x0F
1582 #define ARRAY_TYPE_MASK                     0x0F
1583 #define ARRAY_TYPE_EXT_MASK                 0x10
1584 
1585 #define NO_EXTENSION                        0x0
1586 #define MIC_SNR_SENSITIVITY_EXT             0x1
1587 
1588 struct acpi_nhlt_vendor_mic_config {
1589 	u8 type;
1590 	u8 panel;
1591 	u16 speaker_position_distance;	// mm
1592 	u16 horizontal_offset;	// mm
1593 	u16 vertical_offset;	// mm
1594 	u8 frequency_low_band;	// 5*hz
1595 	u8 frequency_high_band;	// 500*hz
1596 	u16 direction_angle;	// -180 - + 180
1597 	u16 elevation_angle;	// -180 - + 180
1598 	u16 work_vertical_angle_begin;	// -180 - + 180 with 2 deg step
1599 	u16 work_vertical_angle_end;	// -180 - + 180 with 2 deg step
1600 	u16 work_horizontal_angle_begin;	// -180 - + 180 with 2 deg step
1601 	u16 work_horizontal_angle_end;	// -180 - + 180 with 2 deg step
1602 };
1603 
1604 /* Values for Type field above */
1605 
1606 #define MIC_OMNIDIRECTIONAL                 0
1607 #define MIC_SUBCARDIOID                     1
1608 #define MIC_CARDIOID                        2
1609 #define MIC_SUPER_CARDIOID                  3
1610 #define MIC_HYPER_CARDIOID                  4
1611 #define MIC_8_SHAPED                        5
1612 #define MIC_VENDOR_DEFINED                  7
1613 
1614 /* Values for Panel field above */
1615 
1616 #define MIC_TOP                             0
1617 #define MIC_BOTTOM                          1
1618 #define MIC_LEFT                            2
1619 #define MIC_RIGHT                           3
1620 #define MIC_FRONT                           4
1621 #define MIC_REAR                            5
1622 
1623 struct acpi_nhlt_vendor_mic_device_specific_config {
1624 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
1625 	u8 number_of_microphones;
1626 	struct acpi_nhlt_vendor_mic_config mic_config[];	// indexed by number_of_microphones
1627 };
1628 
1629 /* Microphone SNR and Sensitivity extension */
1630 
1631 struct acpi_nhlt_mic_snr_sensitivity_extension {
1632 	u32 SNR;
1633 	u32 sensitivity;
1634 };
1635 
1636 struct acpi_nhlt_render_feedback_device_specific_config {
1637 	struct acpi_nhlt_device_specific_config device_config;
1638 	u8 feedback_virtual_slot;	// render slot in case of capture
1639 	u16 feedback_channels;	// informative only
1640 	u16 feedback_valid_bits_per_sample;
1641 };
1642 
1643 /* Linux-specific structures */
1644 
1645 struct acpi_nhlt_linux_specific_count {
1646 	u8 structure_count;
1647 };
1648 
1649 struct acpi_nhlt_linux_specific_data {
1650 	u8 device_id[16];
1651 	u8 device_instance_id;
1652 	u8 device_port_id;
1653 	u8 filler[18];
1654 };
1655 
1656 struct acpi_nhlt_table_terminator {
1657 	u32 terminator_value;
1658 	u32 terminator_signature;
1659 };
1660 
1661 /*******************************************************************************
1662  *
1663  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1664  *        Version 2 (ACPI 6.2)
1665  *
1666  ******************************************************************************/
1667 
1668 struct acpi_table_pcct {
1669 	struct acpi_table_header header;	/* Common ACPI table header */
1670 	u32 flags;
1671 	u64 reserved;
1672 };
1673 
1674 /* Values for Flags field above */
1675 
1676 #define ACPI_PCCT_DOORBELL              1
1677 
1678 /* Values for subtable type in struct acpi_subtable_header */
1679 
1680 enum acpi_pcct_type {
1681 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1682 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1683 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1684 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1685 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1686 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1687 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1688 };
1689 
1690 /*
1691  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1692  */
1693 
1694 /* 0: Generic Communications Subspace */
1695 
1696 struct acpi_pcct_subspace {
1697 	struct acpi_subtable_header header;
1698 	u8 reserved[6];
1699 	u64 base_address;
1700 	u64 length;
1701 	struct acpi_generic_address doorbell_register;
1702 	u64 preserve_mask;
1703 	u64 write_mask;
1704 	u32 latency;
1705 	u32 max_access_rate;
1706 	u16 min_turnaround_time;
1707 };
1708 
1709 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1710 
1711 struct acpi_pcct_hw_reduced {
1712 	struct acpi_subtable_header header;
1713 	u32 platform_interrupt;
1714 	u8 flags;
1715 	u8 reserved;
1716 	u64 base_address;
1717 	u64 length;
1718 	struct acpi_generic_address doorbell_register;
1719 	u64 preserve_mask;
1720 	u64 write_mask;
1721 	u32 latency;
1722 	u32 max_access_rate;
1723 	u16 min_turnaround_time;
1724 };
1725 
1726 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1727 
1728 struct acpi_pcct_hw_reduced_type2 {
1729 	struct acpi_subtable_header header;
1730 	u32 platform_interrupt;
1731 	u8 flags;
1732 	u8 reserved;
1733 	u64 base_address;
1734 	u64 length;
1735 	struct acpi_generic_address doorbell_register;
1736 	u64 preserve_mask;
1737 	u64 write_mask;
1738 	u32 latency;
1739 	u32 max_access_rate;
1740 	u16 min_turnaround_time;
1741 	struct acpi_generic_address platform_ack_register;
1742 	u64 ack_preserve_mask;
1743 	u64 ack_write_mask;
1744 };
1745 
1746 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1747 
1748 struct acpi_pcct_ext_pcc_master {
1749 	struct acpi_subtable_header header;
1750 	u32 platform_interrupt;
1751 	u8 flags;
1752 	u8 reserved1;
1753 	u64 base_address;
1754 	u32 length;
1755 	struct acpi_generic_address doorbell_register;
1756 	u64 preserve_mask;
1757 	u64 write_mask;
1758 	u32 latency;
1759 	u32 max_access_rate;
1760 	u32 min_turnaround_time;
1761 	struct acpi_generic_address platform_ack_register;
1762 	u64 ack_preserve_mask;
1763 	u64 ack_set_mask;
1764 	u64 reserved2;
1765 	struct acpi_generic_address cmd_complete_register;
1766 	u64 cmd_complete_mask;
1767 	struct acpi_generic_address cmd_update_register;
1768 	u64 cmd_update_preserve_mask;
1769 	u64 cmd_update_set_mask;
1770 	struct acpi_generic_address error_status_register;
1771 	u64 error_status_mask;
1772 };
1773 
1774 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1775 
1776 struct acpi_pcct_ext_pcc_slave {
1777 	struct acpi_subtable_header header;
1778 	u32 platform_interrupt;
1779 	u8 flags;
1780 	u8 reserved1;
1781 	u64 base_address;
1782 	u32 length;
1783 	struct acpi_generic_address doorbell_register;
1784 	u64 preserve_mask;
1785 	u64 write_mask;
1786 	u32 latency;
1787 	u32 max_access_rate;
1788 	u32 min_turnaround_time;
1789 	struct acpi_generic_address platform_ack_register;
1790 	u64 ack_preserve_mask;
1791 	u64 ack_set_mask;
1792 	u64 reserved2;
1793 	struct acpi_generic_address cmd_complete_register;
1794 	u64 cmd_complete_mask;
1795 	struct acpi_generic_address cmd_update_register;
1796 	u64 cmd_update_preserve_mask;
1797 	u64 cmd_update_set_mask;
1798 	struct acpi_generic_address error_status_register;
1799 	u64 error_status_mask;
1800 };
1801 
1802 /* 5: HW Registers based Communications Subspace */
1803 
1804 struct acpi_pcct_hw_reg {
1805 	struct acpi_subtable_header header;
1806 	u16 version;
1807 	u64 base_address;
1808 	u64 length;
1809 	struct acpi_generic_address doorbell_register;
1810 	u64 doorbell_preserve;
1811 	u64 doorbell_write;
1812 	struct acpi_generic_address cmd_complete_register;
1813 	u64 cmd_complete_mask;
1814 	struct acpi_generic_address error_status_register;
1815 	u64 error_status_mask;
1816 	u32 nominal_latency;
1817 	u32 min_turnaround_time;
1818 };
1819 
1820 /* Values for doorbell flags above */
1821 
1822 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1823 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1824 
1825 /*
1826  * PCC memory structures (not part of the ACPI table)
1827  */
1828 
1829 /* Shared Memory Region */
1830 
1831 struct acpi_pcct_shared_memory {
1832 	u32 signature;
1833 	u16 command;
1834 	u16 status;
1835 };
1836 
1837 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1838 
1839 struct acpi_pcct_ext_pcc_shared_memory {
1840 	u32 signature;
1841 	u32 flags;
1842 	u32 length;
1843 	u32 command;
1844 };
1845 
1846 /*******************************************************************************
1847  *
1848  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1849  *        Version 0
1850  *
1851  ******************************************************************************/
1852 
1853 struct acpi_table_pdtt {
1854 	struct acpi_table_header header;	/* Common ACPI table header */
1855 	u8 trigger_count;
1856 	u8 reserved[3];
1857 	u32 array_offset;
1858 };
1859 
1860 /*
1861  * PDTT Communication Channel Identifier Structure.
1862  * The number of these structures is defined by trigger_count above,
1863  * starting at array_offset.
1864  */
1865 struct acpi_pdtt_channel {
1866 	u8 subchannel_id;
1867 	u8 flags;
1868 };
1869 
1870 /* Flags for above */
1871 
1872 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
1873 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
1874 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
1875 
1876 /*******************************************************************************
1877  *
1878  * PHAT - Platform Health Assessment Table (ACPI 6.4)
1879  *        Version 1
1880  *
1881  ******************************************************************************/
1882 
1883 struct acpi_table_phat {
1884 	struct acpi_table_header header;	/* Common ACPI table header */
1885 };
1886 
1887 /* Common header for PHAT subtables that follow main table */
1888 
1889 struct acpi_phat_header {
1890 	u16 type;
1891 	u16 length;
1892 	u8 revision;
1893 };
1894 
1895 /* Values for Type field above */
1896 
1897 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
1898 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
1899 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
1900 
1901 /*
1902  * PHAT subtables, correspond to Type in struct acpi_phat_header
1903  */
1904 
1905 /* 0: Firmware Version Data Record */
1906 
1907 struct acpi_phat_version_data {
1908 	struct acpi_phat_header header;
1909 	u8 reserved[3];
1910 	u32 element_count;
1911 };
1912 
1913 struct acpi_phat_version_element {
1914 	u8 guid[16];
1915 	u64 version_value;
1916 	u32 producer_id;
1917 };
1918 
1919 /* 1: Firmware Health Data Record */
1920 
1921 struct acpi_phat_health_data {
1922 	struct acpi_phat_header header;
1923 	u8 reserved[2];
1924 	u8 health;
1925 	u8 device_guid[16];
1926 	u32 device_specific_offset;	/* Zero if no Device-specific data */
1927 };
1928 
1929 /* Values for Health field above */
1930 
1931 #define ACPI_PHAT_ERRORS_FOUND          0
1932 #define ACPI_PHAT_NO_ERRORS             1
1933 #define ACPI_PHAT_UNKNOWN_ERRORS        2
1934 #define ACPI_PHAT_ADVISORY              3
1935 
1936 /*******************************************************************************
1937  *
1938  * PMTT - Platform Memory Topology Table (ACPI 5.0)
1939  *        Version 1
1940  *
1941  ******************************************************************************/
1942 
1943 struct acpi_table_pmtt {
1944 	struct acpi_table_header header;	/* Common ACPI table header */
1945 	u32 memory_device_count;
1946 	/*
1947 	 * Immediately followed by:
1948 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1949 	 */
1950 };
1951 
1952 /* Common header for PMTT subtables that follow main table */
1953 
1954 struct acpi_pmtt_header {
1955 	u8 type;
1956 	u8 reserved1;
1957 	u16 length;
1958 	u16 flags;
1959 	u16 reserved2;
1960 	u32 memory_device_count;	/* Zero means no memory device structs follow */
1961 	/*
1962 	 * Immediately followed by:
1963 	 * u8 type_specific_data[]
1964 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1965 	 */
1966 };
1967 
1968 /* Values for Type field above */
1969 
1970 #define ACPI_PMTT_TYPE_SOCKET           0
1971 #define ACPI_PMTT_TYPE_CONTROLLER       1
1972 #define ACPI_PMTT_TYPE_DIMM             2
1973 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
1974 #define ACPI_PMTT_TYPE_VENDOR           0xFF
1975 
1976 /* Values for Flags field above */
1977 
1978 #define ACPI_PMTT_TOP_LEVEL             0x0001
1979 #define ACPI_PMTT_PHYSICAL              0x0002
1980 #define ACPI_PMTT_MEMORY_TYPE           0x000C
1981 
1982 /*
1983  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
1984  */
1985 
1986 /* 0: Socket Structure */
1987 
1988 struct acpi_pmtt_socket {
1989 	struct acpi_pmtt_header header;
1990 	u16 socket_id;
1991 	u16 reserved;
1992 };
1993 	/*
1994 	 * Immediately followed by:
1995 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1996 	 */
1997 
1998 /* 1: Memory Controller subtable */
1999 
2000 struct acpi_pmtt_controller {
2001 	struct acpi_pmtt_header header;
2002 	u16 controller_id;
2003 	u16 reserved;
2004 };
2005 	/*
2006 	 * Immediately followed by:
2007 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2008 	 */
2009 
2010 /* 2: Physical Component Identifier (DIMM) */
2011 
2012 struct acpi_pmtt_physical_component {
2013 	struct acpi_pmtt_header header;
2014 	u32 bios_handle;
2015 };
2016 
2017 /* 0xFF: Vendor Specific Data */
2018 
2019 struct acpi_pmtt_vendor_specific {
2020 	struct acpi_pmtt_header header;
2021 	u8 type_uuid[16];
2022 	u8 specific[];
2023 	/*
2024 	 * Immediately followed by:
2025 	 * u8 vendor_specific_data[];
2026 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2027 	 */
2028 };
2029 
2030 /*******************************************************************************
2031  *
2032  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2033  *        Version 1
2034  *
2035  ******************************************************************************/
2036 
2037 struct acpi_table_pptt {
2038 	struct acpi_table_header header;	/* Common ACPI table header */
2039 };
2040 
2041 /* Values for Type field above */
2042 
2043 enum acpi_pptt_type {
2044 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2045 	ACPI_PPTT_TYPE_CACHE = 1,
2046 	ACPI_PPTT_TYPE_ID = 2,
2047 	ACPI_PPTT_TYPE_RESERVED = 3
2048 };
2049 
2050 /* 0: Processor Hierarchy Node Structure */
2051 
2052 struct acpi_pptt_processor {
2053 	struct acpi_subtable_header header;
2054 	u16 reserved;
2055 	u32 flags;
2056 	u32 parent;
2057 	u32 acpi_processor_id;
2058 	u32 number_of_priv_resources;
2059 };
2060 
2061 /* Flags */
2062 
2063 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2064 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2065 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2066 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2067 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2068 
2069 /* 1: Cache Type Structure */
2070 
2071 struct acpi_pptt_cache {
2072 	struct acpi_subtable_header header;
2073 	u16 reserved;
2074 	u32 flags;
2075 	u32 next_level_of_cache;
2076 	u32 size;
2077 	u32 number_of_sets;
2078 	u8 associativity;
2079 	u8 attributes;
2080 	u16 line_size;
2081 };
2082 
2083 /* 1: Cache Type Structure for PPTT version 3 */
2084 
2085 struct acpi_pptt_cache_v1 {
2086 	u32 cache_id;
2087 };
2088 
2089 /* Flags */
2090 
2091 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2092 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2093 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2094 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2095 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2096 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2097 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2098 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2099 
2100 /* Masks for Attributes */
2101 
2102 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2103 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2104 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2105 
2106 /* Attributes describing cache */
2107 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2108 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2109 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2110 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2111 
2112 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2113 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2114 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2115 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2116 
2117 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2118 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2119 
2120 /* 2: ID Structure */
2121 
2122 struct acpi_pptt_id {
2123 	struct acpi_subtable_header header;
2124 	u16 reserved;
2125 	u32 vendor_id;
2126 	u64 level1_id;
2127 	u64 level2_id;
2128 	u16 major_rev;
2129 	u16 minor_rev;
2130 	u16 spin_rev;
2131 };
2132 
2133 /*******************************************************************************
2134  *
2135  * PRMT - Platform Runtime Mechanism Table
2136  *        Version 1
2137  *
2138  ******************************************************************************/
2139 
2140 struct acpi_table_prmt {
2141 	struct acpi_table_header header;	/* Common ACPI table header */
2142 };
2143 
2144 struct acpi_table_prmt_header {
2145 	u8 platform_guid[16];
2146 	u32 module_info_offset;
2147 	u32 module_info_count;
2148 };
2149 
2150 struct acpi_prmt_module_header {
2151 	u16 revision;
2152 	u16 length;
2153 };
2154 
2155 struct acpi_prmt_module_info {
2156 	u16 revision;
2157 	u16 length;
2158 	u8 module_guid[16];
2159 	u16 major_rev;
2160 	u16 minor_rev;
2161 	u16 handler_info_count;
2162 	u32 handler_info_offset;
2163 	u64 mmio_list_pointer;
2164 };
2165 
2166 struct acpi_prmt_handler_info {
2167 	u16 revision;
2168 	u16 length;
2169 	u8 handler_guid[16];
2170 	u64 handler_address;
2171 	u64 static_data_buffer_address;
2172 	u64 acpi_param_buffer_address;
2173 };
2174 
2175 /*******************************************************************************
2176  *
2177  * RASF - RAS Feature Table (ACPI 5.0)
2178  *        Version 1
2179  *
2180  ******************************************************************************/
2181 
2182 struct acpi_table_rasf {
2183 	struct acpi_table_header header;	/* Common ACPI table header */
2184 	u8 channel_id[12];
2185 };
2186 
2187 /* RASF Platform Communication Channel Shared Memory Region */
2188 
2189 struct acpi_rasf_shared_memory {
2190 	u32 signature;
2191 	u16 command;
2192 	u16 status;
2193 	u16 version;
2194 	u8 capabilities[16];
2195 	u8 set_capabilities[16];
2196 	u16 num_parameter_blocks;
2197 	u32 set_capabilities_status;
2198 };
2199 
2200 /* RASF Parameter Block Structure Header */
2201 
2202 struct acpi_rasf_parameter_block {
2203 	u16 type;
2204 	u16 version;
2205 	u16 length;
2206 };
2207 
2208 /* RASF Parameter Block Structure for PATROL_SCRUB */
2209 
2210 struct acpi_rasf_patrol_scrub_parameter {
2211 	struct acpi_rasf_parameter_block header;
2212 	u16 patrol_scrub_command;
2213 	u64 requested_address_range[2];
2214 	u64 actual_address_range[2];
2215 	u16 flags;
2216 	u8 requested_speed;
2217 };
2218 
2219 /* Masks for Flags and Speed fields above */
2220 
2221 #define ACPI_RASF_SCRUBBER_RUNNING      1
2222 #define ACPI_RASF_SPEED                 (7<<1)
2223 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2224 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2225 #define ACPI_RASF_SPEED_FAST            (7<<1)
2226 
2227 /* Channel Commands */
2228 
2229 enum acpi_rasf_commands {
2230 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2231 };
2232 
2233 /* Platform RAS Capabilities */
2234 
2235 enum acpi_rasf_capabiliities {
2236 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2237 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2238 };
2239 
2240 /* Patrol Scrub Commands */
2241 
2242 enum acpi_rasf_patrol_scrub_commands {
2243 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2244 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2245 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2246 };
2247 
2248 /* Channel Command flags */
2249 
2250 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2251 
2252 /* Status values */
2253 
2254 enum acpi_rasf_status {
2255 	ACPI_RASF_SUCCESS = 0,
2256 	ACPI_RASF_NOT_VALID = 1,
2257 	ACPI_RASF_NOT_SUPPORTED = 2,
2258 	ACPI_RASF_BUSY = 3,
2259 	ACPI_RASF_FAILED = 4,
2260 	ACPI_RASF_ABORTED = 5,
2261 	ACPI_RASF_INVALID_DATA = 6
2262 };
2263 
2264 /* Status flags */
2265 
2266 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2267 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2268 #define ACPI_RASF_ERROR                 (1<<2)
2269 #define ACPI_RASF_STATUS                (0x1F<<3)
2270 
2271 /*******************************************************************************
2272  *
2273  * RGRT - Regulatory Graphics Resource Table
2274  *        Version 1
2275  *
2276  * Conforms to "ACPI RGRT" available at:
2277  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2278  *
2279  ******************************************************************************/
2280 
2281 struct acpi_table_rgrt {
2282 	struct acpi_table_header header;	/* Common ACPI table header */
2283 	u16 version;
2284 	u8 image_type;
2285 	u8 reserved;
2286 	u8 image[0];
2287 };
2288 
2289 /* image_type values */
2290 
2291 enum acpi_rgrt_image_type {
2292 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2293 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2294 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2295 };
2296 
2297 /*******************************************************************************
2298  *
2299  * SBST - Smart Battery Specification Table
2300  *        Version 1
2301  *
2302  ******************************************************************************/
2303 
2304 struct acpi_table_sbst {
2305 	struct acpi_table_header header;	/* Common ACPI table header */
2306 	u32 warning_level;
2307 	u32 low_level;
2308 	u32 critical_level;
2309 };
2310 
2311 /*******************************************************************************
2312  *
2313  * SDEI - Software Delegated Exception Interface Descriptor Table
2314  *
2315  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2316  * May 8th, 2017. Copyright 2017 ARM Ltd.
2317  *
2318  ******************************************************************************/
2319 
2320 struct acpi_table_sdei {
2321 	struct acpi_table_header header;	/* Common ACPI table header */
2322 };
2323 
2324 /*******************************************************************************
2325  *
2326  * SDEV - Secure Devices Table (ACPI 6.2)
2327  *        Version 1
2328  *
2329  ******************************************************************************/
2330 
2331 struct acpi_table_sdev {
2332 	struct acpi_table_header header;	/* Common ACPI table header */
2333 };
2334 
2335 struct acpi_sdev_header {
2336 	u8 type;
2337 	u8 flags;
2338 	u16 length;
2339 };
2340 
2341 /* Values for subtable type above */
2342 
2343 enum acpi_sdev_type {
2344 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2345 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2346 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2347 };
2348 
2349 /* Values for flags above */
2350 
2351 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2352 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2353 
2354 /*
2355  * SDEV subtables
2356  */
2357 
2358 /* 0: Namespace Device Based Secure Device Structure */
2359 
2360 struct acpi_sdev_namespace {
2361 	struct acpi_sdev_header header;
2362 	u16 device_id_offset;
2363 	u16 device_id_length;
2364 	u16 vendor_data_offset;
2365 	u16 vendor_data_length;
2366 };
2367 
2368 struct acpi_sdev_secure_component {
2369 	u16 secure_component_offset;
2370 	u16 secure_component_length;
2371 };
2372 
2373 /*
2374  * SDEV sub-subtables ("Components") for above
2375  */
2376 struct acpi_sdev_component {
2377 	struct acpi_sdev_header header;
2378 };
2379 
2380 /* Values for sub-subtable type above */
2381 
2382 enum acpi_sac_type {
2383 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2384 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2385 };
2386 
2387 struct acpi_sdev_id_component {
2388 	struct acpi_sdev_header header;
2389 	u16 hardware_id_offset;
2390 	u16 hardware_id_length;
2391 	u16 subsystem_id_offset;
2392 	u16 subsystem_id_length;
2393 	u16 hardware_revision;
2394 	u8 hardware_rev_present;
2395 	u8 class_code_present;
2396 	u8 pci_base_class;
2397 	u8 pci_sub_class;
2398 	u8 pci_programming_xface;
2399 };
2400 
2401 struct acpi_sdev_mem_component {
2402 	struct acpi_sdev_header header;
2403 	u32 reserved;
2404 	u64 memory_base_address;
2405 	u64 memory_length;
2406 };
2407 
2408 /* 1: PCIe Endpoint Device Based Device Structure */
2409 
2410 struct acpi_sdev_pcie {
2411 	struct acpi_sdev_header header;
2412 	u16 segment;
2413 	u16 start_bus;
2414 	u16 path_offset;
2415 	u16 path_length;
2416 	u16 vendor_data_offset;
2417 	u16 vendor_data_length;
2418 };
2419 
2420 /* 1a: PCIe Endpoint path entry */
2421 
2422 struct acpi_sdev_pcie_path {
2423 	u8 device;
2424 	u8 function;
2425 };
2426 
2427 /*******************************************************************************
2428  *
2429  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2430  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2431  *        Trust Domain Extensions (Intel TDX)".
2432  *        Version 1
2433  *
2434  ******************************************************************************/
2435 
2436 struct acpi_table_svkl {
2437 	struct acpi_table_header header;	/* Common ACPI table header */
2438 	u32 count;
2439 };
2440 
2441 struct acpi_svkl_key {
2442 	u16 type;
2443 	u16 format;
2444 	u32 size;
2445 	u64 address;
2446 };
2447 
2448 enum acpi_svkl_type {
2449 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2450 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2451 };
2452 
2453 enum acpi_svkl_format {
2454 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2455 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2456 };
2457 
2458 /* Reset to default packing */
2459 
2460 #pragma pack()
2461 
2462 #endif				/* __ACTBL2_H__ */
2463