xref: /openbmc/linux/include/acpi/actbl2.h (revision da6a9bbe)
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 - 2022, 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_IORT           "IORT"	/* IO Remapping Table */
31 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
32 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
33 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
34 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
35 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
36 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
37 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics Table */
38 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
39 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
40 #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
41 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
42 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
43 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
44 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
45 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
46 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
47 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
48 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
49 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
50 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
51 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
52 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
53 #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
54 
55 /*
56  * All tables must be byte-packed to match the ACPI specification, since
57  * the tables are provided by the system BIOS.
58  */
59 #pragma pack(1)
60 
61 /*
62  * Note: C bitfields are not used for this reason:
63  *
64  * "Bitfields are great and easy to read, but unfortunately the C language
65  * does not specify the layout of bitfields in memory, which means they are
66  * essentially useless for dealing with packed data in on-disk formats or
67  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
68  * this decision was a design error in C. Ritchie could have picked an order
69  * and stuck with it." Norman Ramsey.
70  * See http://stackoverflow.com/a/1053662/41661
71  */
72 
73 /*******************************************************************************
74  *
75  * AEST - Arm Error Source Table
76  *
77  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
78  * September 2020.
79  *
80  ******************************************************************************/
81 
82 struct acpi_table_aest {
83 	struct acpi_table_header header;
84 	void *node_array[];
85 };
86 
87 /* Common Subtable header - one per Node Structure (Subtable) */
88 
89 struct acpi_aest_hdr {
90 	u8 type;
91 	u16 length;
92 	u8 reserved;
93 	u32 node_specific_offset;
94 	u32 node_interface_offset;
95 	u32 node_interrupt_offset;
96 	u32 node_interrupt_count;
97 	u64 timestamp_rate;
98 	u64 reserved1;
99 	u64 error_injection_rate;
100 };
101 
102 /* Values for Type above */
103 
104 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
105 #define ACPI_AEST_MEMORY_ERROR_NODE         1
106 #define ACPI_AEST_SMMU_ERROR_NODE           2
107 #define ACPI_AEST_VENDOR_ERROR_NODE         3
108 #define ACPI_AEST_GIC_ERROR_NODE            4
109 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
110 
111 /*
112  * AEST subtables (Error nodes)
113  */
114 
115 /* 0: Processor Error */
116 
117 typedef struct acpi_aest_processor {
118 	u32 processor_id;
119 	u8 resource_type;
120 	u8 reserved;
121 	u8 flags;
122 	u8 revision;
123 	u64 processor_affinity;
124 
125 } acpi_aest_processor;
126 
127 /* Values for resource_type above, related structs below */
128 
129 #define ACPI_AEST_CACHE_RESOURCE            0
130 #define ACPI_AEST_TLB_RESOURCE              1
131 #define ACPI_AEST_GENERIC_RESOURCE          2
132 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
133 
134 /* 0R: Processor Cache Resource Substructure */
135 
136 typedef struct acpi_aest_processor_cache {
137 	u32 cache_reference;
138 	u32 reserved;
139 
140 } acpi_aest_processor_cache;
141 
142 /* Values for cache_type above */
143 
144 #define ACPI_AEST_CACHE_DATA                0
145 #define ACPI_AEST_CACHE_INSTRUCTION         1
146 #define ACPI_AEST_CACHE_UNIFIED             2
147 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
148 
149 /* 1R: Processor TLB Resource Substructure */
150 
151 typedef struct acpi_aest_processor_tlb {
152 	u32 tlb_level;
153 	u32 reserved;
154 
155 } acpi_aest_processor_tlb;
156 
157 /* 2R: Processor Generic Resource Substructure */
158 
159 typedef struct acpi_aest_processor_generic {
160 	u32 resource;
161 
162 } acpi_aest_processor_generic;
163 
164 /* 1: Memory Error */
165 
166 typedef struct acpi_aest_memory {
167 	u32 srat_proximity_domain;
168 
169 } acpi_aest_memory;
170 
171 /* 2: Smmu Error */
172 
173 typedef struct acpi_aest_smmu {
174 	u32 iort_node_reference;
175 	u32 subcomponent_reference;
176 
177 } acpi_aest_smmu;
178 
179 /* 3: Vendor Defined */
180 
181 typedef struct acpi_aest_vendor {
182 	u32 acpi_hid;
183 	u32 acpi_uid;
184 	u8 vendor_specific_data[16];
185 
186 } acpi_aest_vendor;
187 
188 /* 4: Gic Error */
189 
190 typedef struct acpi_aest_gic {
191 	u32 interface_type;
192 	u32 instance_id;
193 
194 } acpi_aest_gic;
195 
196 /* Values for interface_type above */
197 
198 #define ACPI_AEST_GIC_CPU                   0
199 #define ACPI_AEST_GIC_DISTRIBUTOR           1
200 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
201 #define ACPI_AEST_GIC_ITS                   3
202 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
203 
204 /* Node Interface Structure */
205 
206 typedef struct acpi_aest_node_interface {
207 	u8 type;
208 	u8 reserved[3];
209 	u32 flags;
210 	u64 address;
211 	u32 error_record_index;
212 	u32 error_record_count;
213 	u64 error_record_implemented;
214 	u64 error_status_reporting;
215 	u64 addressing_mode;
216 
217 } acpi_aest_node_interface;
218 
219 /* Values for Type field above */
220 
221 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
222 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
223 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
224 
225 /* Node Interrupt Structure */
226 
227 typedef struct acpi_aest_node_interrupt {
228 	u8 type;
229 	u8 reserved[2];
230 	u8 flags;
231 	u32 gsiv;
232 	u8 iort_id;
233 	u8 reserved1[3];
234 
235 } acpi_aest_node_interrupt;
236 
237 /* Values for Type field above */
238 
239 #define ACPI_AEST_NODE_FAULT_HANDLING       0
240 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
241 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
242 
243 /*******************************************************************************
244  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
245  *
246  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
247  * ARM DEN0093 v1.1
248  *
249  ******************************************************************************/
250 struct acpi_table_agdi {
251 	struct acpi_table_header header;	/* Common ACPI table header */
252 	u8 flags;
253 	u8 reserved[3];
254 	u32 sdei_event;
255 	u32 gsiv;
256 };
257 
258 /* Mask for Flags field above */
259 
260 #define ACPI_AGDI_SIGNALING_MODE (1)
261 
262 /*******************************************************************************
263  *
264  * APMT - ARM Performance Monitoring Unit Table
265  *
266  * Conforms to:
267  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
268  * ARM DEN0117 v1.0 November 25, 2021
269  *
270  ******************************************************************************/
271 
272 struct acpi_table_apmt {
273 	struct acpi_table_header header;	/* Common ACPI table header */
274 };
275 
276 #define ACPI_APMT_NODE_ID_LENGTH                4
277 
278 /*
279  * APMT subtables
280  */
281 struct acpi_apmt_node {
282 	u16 length;
283 	u8 flags;
284 	u8 type;
285 	u32 id;
286 	u64 inst_primary;
287 	u32 inst_secondary;
288 	u64 base_address0;
289 	u64 base_address1;
290 	u32 ovflw_irq;
291 	u32 reserved;
292 	u32 ovflw_irq_flags;
293 	u32 proc_affinity;
294 	u32 impl_id;
295 };
296 
297 /* Masks for Flags field above */
298 
299 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
300 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
301 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
302 
303 /* Values for Flags dual page field above */
304 
305 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
306 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
307 
308 /* Values for Flags processor affinity field above */
309 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
310 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
311 
312 /* Values for Flags 64-bit atomic field above */
313 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
314 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
315 
316 /* Values for Type field above */
317 
318 enum acpi_apmt_node_type {
319 	ACPI_APMT_NODE_TYPE_MC = 0x00,
320 	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
321 	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
322 	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
323 	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
324 	ACPI_APMT_NODE_TYPE_COUNT
325 };
326 
327 /* Masks for ovflw_irq_flags field above */
328 
329 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
330 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
331 
332 /* Values for ovflw_irq_flags mode field above */
333 
334 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
335 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
336 
337 /* Values for ovflw_irq_flags type field above */
338 
339 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
340 
341 /*******************************************************************************
342  *
343  * BDAT - BIOS Data ACPI Table
344  *
345  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
346  * Nov 2020
347  *
348  ******************************************************************************/
349 
350 struct acpi_table_bdat {
351 	struct acpi_table_header header;
352 	struct acpi_generic_address gas;
353 };
354 
355 /*******************************************************************************
356  *
357  * IORT - IO Remapping Table
358  *
359  * Conforms to "IO Remapping Table System Software on ARM Platforms",
360  * Document number: ARM DEN 0049E.b, Feb 2021
361  *
362  ******************************************************************************/
363 
364 struct acpi_table_iort {
365 	struct acpi_table_header header;
366 	u32 node_count;
367 	u32 node_offset;
368 	u32 reserved;
369 };
370 
371 /*
372  * IORT subtables
373  */
374 struct acpi_iort_node {
375 	u8 type;
376 	u16 length;
377 	u8 revision;
378 	u32 identifier;
379 	u32 mapping_count;
380 	u32 mapping_offset;
381 	char node_data[1];
382 };
383 
384 /* Values for subtable Type above */
385 
386 enum acpi_iort_node_type {
387 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
388 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
389 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
390 	ACPI_IORT_NODE_SMMU = 0x03,
391 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
392 	ACPI_IORT_NODE_PMCG = 0x05,
393 	ACPI_IORT_NODE_RMR = 0x06,
394 };
395 
396 struct acpi_iort_id_mapping {
397 	u32 input_base;		/* Lowest value in input range */
398 	u32 id_count;		/* Number of IDs */
399 	u32 output_base;	/* Lowest value in output range */
400 	u32 output_reference;	/* A reference to the output node */
401 	u32 flags;
402 };
403 
404 /* Masks for Flags field above for IORT subtable */
405 
406 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
407 
408 struct acpi_iort_memory_access {
409 	u32 cache_coherency;
410 	u8 hints;
411 	u16 reserved;
412 	u8 memory_flags;
413 };
414 
415 /* Values for cache_coherency field above */
416 
417 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
418 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
419 
420 /* Masks for Hints field above */
421 
422 #define ACPI_IORT_HT_TRANSIENT          (1)
423 #define ACPI_IORT_HT_WRITE              (1<<1)
424 #define ACPI_IORT_HT_READ               (1<<2)
425 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
426 
427 /* Masks for memory_flags field above */
428 
429 #define ACPI_IORT_MF_COHERENCY          (1)
430 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
431 
432 /*
433  * IORT node specific subtables
434  */
435 struct acpi_iort_its_group {
436 	u32 its_count;
437 	u32 identifiers[1];	/* GIC ITS identifier array */
438 };
439 
440 struct acpi_iort_named_component {
441 	u32 node_flags;
442 	u64 memory_properties;	/* Memory access properties */
443 	u8 memory_address_limit;	/* Memory address size limit */
444 	char device_name[1];	/* Path of namespace object */
445 };
446 
447 /* Masks for Flags field above */
448 
449 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
450 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
451 
452 struct acpi_iort_root_complex {
453 	u64 memory_properties;	/* Memory access properties */
454 	u32 ats_attribute;
455 	u32 pci_segment_number;
456 	u8 memory_address_limit;	/* Memory address size limit */
457 	u8 reserved[3];		/* Reserved, must be zero */
458 };
459 
460 /* Masks for ats_attribute field above */
461 
462 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
463 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
464 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
465 
466 struct acpi_iort_smmu {
467 	u64 base_address;	/* SMMU base address */
468 	u64 span;		/* Length of memory range */
469 	u32 model;
470 	u32 flags;
471 	u32 global_interrupt_offset;
472 	u32 context_interrupt_count;
473 	u32 context_interrupt_offset;
474 	u32 pmu_interrupt_count;
475 	u32 pmu_interrupt_offset;
476 	u64 interrupts[1];	/* Interrupt array */
477 };
478 
479 /* Values for Model field above */
480 
481 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
482 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
483 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
484 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
485 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
486 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
487 
488 /* Masks for Flags field above */
489 
490 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
491 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
492 
493 /* Global interrupt format */
494 
495 struct acpi_iort_smmu_gsi {
496 	u32 nsg_irpt;
497 	u32 nsg_irpt_flags;
498 	u32 nsg_cfg_irpt;
499 	u32 nsg_cfg_irpt_flags;
500 };
501 
502 struct acpi_iort_smmu_v3 {
503 	u64 base_address;	/* SMMUv3 base address */
504 	u32 flags;
505 	u32 reserved;
506 	u64 vatos_address;
507 	u32 model;
508 	u32 event_gsiv;
509 	u32 pri_gsiv;
510 	u32 gerr_gsiv;
511 	u32 sync_gsiv;
512 	u32 pxm;
513 	u32 id_mapping_index;
514 };
515 
516 /* Values for Model field above */
517 
518 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
519 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
520 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
521 
522 /* Masks for Flags field above */
523 
524 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
525 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
526 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
527 
528 struct acpi_iort_pmcg {
529 	u64 page0_base_address;
530 	u32 overflow_gsiv;
531 	u32 node_reference;
532 	u64 page1_base_address;
533 };
534 
535 struct acpi_iort_rmr {
536 	u32 flags;
537 	u32 rmr_count;
538 	u32 rmr_offset;
539 };
540 
541 struct acpi_iort_rmr_desc {
542 	u64 base_address;
543 	u64 length;
544 	u32 reserved;
545 };
546 
547 /*******************************************************************************
548  *
549  * IVRS - I/O Virtualization Reporting Structure
550  *        Version 1
551  *
552  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
553  * Revision 1.26, February 2009.
554  *
555  ******************************************************************************/
556 
557 struct acpi_table_ivrs {
558 	struct acpi_table_header header;	/* Common ACPI table header */
559 	u32 info;		/* Common virtualization info */
560 	u64 reserved;
561 };
562 
563 /* Values for Info field above */
564 
565 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
566 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
567 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
568 
569 /* IVRS subtable header */
570 
571 struct acpi_ivrs_header {
572 	u8 type;		/* Subtable type */
573 	u8 flags;
574 	u16 length;		/* Subtable length */
575 	u16 device_id;		/* ID of IOMMU */
576 };
577 
578 /* Values for subtable Type above */
579 
580 enum acpi_ivrs_type {
581 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
582 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
583 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
584 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
585 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
586 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
587 };
588 
589 /* Masks for Flags field above for IVHD subtable */
590 
591 #define ACPI_IVHD_TT_ENABLE         (1)
592 #define ACPI_IVHD_PASS_PW           (1<<1)
593 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
594 #define ACPI_IVHD_ISOC              (1<<3)
595 #define ACPI_IVHD_IOTLB             (1<<4)
596 
597 /* Masks for Flags field above for IVMD subtable */
598 
599 #define ACPI_IVMD_UNITY             (1)
600 #define ACPI_IVMD_READ              (1<<1)
601 #define ACPI_IVMD_WRITE             (1<<2)
602 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
603 
604 /*
605  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
606  */
607 
608 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
609 
610 struct acpi_ivrs_hardware_10 {
611 	struct acpi_ivrs_header header;
612 	u16 capability_offset;	/* Offset for IOMMU control fields */
613 	u64 base_address;	/* IOMMU control registers */
614 	u16 pci_segment_group;
615 	u16 info;		/* MSI number and unit ID */
616 	u32 feature_reporting;
617 };
618 
619 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
620 
621 struct acpi_ivrs_hardware_11 {
622 	struct acpi_ivrs_header header;
623 	u16 capability_offset;	/* Offset for IOMMU control fields */
624 	u64 base_address;	/* IOMMU control registers */
625 	u16 pci_segment_group;
626 	u16 info;		/* MSI number and unit ID */
627 	u32 attributes;
628 	u64 efr_register_image;
629 	u64 reserved;
630 };
631 
632 /* Masks for Info field above */
633 
634 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
635 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
636 
637 /*
638  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
639  * Upper two bits of the Type field are the (encoded) length of the structure.
640  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
641  * are reserved for future use but not defined.
642  */
643 struct acpi_ivrs_de_header {
644 	u8 type;
645 	u16 id;
646 	u8 data_setting;
647 };
648 
649 /* Length of device entry is in the top two bits of Type field above */
650 
651 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
652 
653 /* Values for device entry Type field above */
654 
655 enum acpi_ivrs_device_entry_type {
656 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
657 
658 	ACPI_IVRS_TYPE_PAD4 = 0,
659 	ACPI_IVRS_TYPE_ALL = 1,
660 	ACPI_IVRS_TYPE_SELECT = 2,
661 	ACPI_IVRS_TYPE_START = 3,
662 	ACPI_IVRS_TYPE_END = 4,
663 
664 	/* 8-byte device entries */
665 
666 	ACPI_IVRS_TYPE_PAD8 = 64,
667 	ACPI_IVRS_TYPE_NOT_USED = 65,
668 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
669 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
670 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
671 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
672 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
673 
674 	/* Variable-length device entries */
675 
676 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
677 };
678 
679 /* Values for Data field above */
680 
681 #define ACPI_IVHD_INIT_PASS         (1)
682 #define ACPI_IVHD_EINT_PASS         (1<<1)
683 #define ACPI_IVHD_NMI_PASS          (1<<2)
684 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
685 #define ACPI_IVHD_LINT0_PASS        (1<<6)
686 #define ACPI_IVHD_LINT1_PASS        (1<<7)
687 
688 /* Types 0-4: 4-byte device entry */
689 
690 struct acpi_ivrs_device4 {
691 	struct acpi_ivrs_de_header header;
692 };
693 
694 /* Types 66-67: 8-byte device entry */
695 
696 struct acpi_ivrs_device8a {
697 	struct acpi_ivrs_de_header header;
698 	u8 reserved1;
699 	u16 used_id;
700 	u8 reserved2;
701 };
702 
703 /* Types 70-71: 8-byte device entry */
704 
705 struct acpi_ivrs_device8b {
706 	struct acpi_ivrs_de_header header;
707 	u32 extended_data;
708 };
709 
710 /* Values for extended_data above */
711 
712 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
713 
714 /* Type 72: 8-byte device entry */
715 
716 struct acpi_ivrs_device8c {
717 	struct acpi_ivrs_de_header header;
718 	u8 handle;
719 	u16 used_id;
720 	u8 variety;
721 };
722 
723 /* Values for Variety field above */
724 
725 #define ACPI_IVHD_IOAPIC            1
726 #define ACPI_IVHD_HPET              2
727 
728 /* Type 240: variable-length device entry */
729 
730 struct acpi_ivrs_device_hid {
731 	struct acpi_ivrs_de_header header;
732 	u64 acpi_hid;
733 	u64 acpi_cid;
734 	u8 uid_type;
735 	u8 uid_length;
736 };
737 
738 /* Values for uid_type above */
739 
740 #define ACPI_IVRS_UID_NOT_PRESENT   0
741 #define ACPI_IVRS_UID_IS_INTEGER    1
742 #define ACPI_IVRS_UID_IS_STRING     2
743 
744 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
745 
746 struct acpi_ivrs_memory {
747 	struct acpi_ivrs_header header;
748 	u16 aux_data;
749 	u64 reserved;
750 	u64 start_address;
751 	u64 memory_length;
752 };
753 
754 /*******************************************************************************
755  *
756  * LPIT - Low Power Idle Table
757  *
758  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
759  *
760  ******************************************************************************/
761 
762 struct acpi_table_lpit {
763 	struct acpi_table_header header;	/* Common ACPI table header */
764 };
765 
766 /* LPIT subtable header */
767 
768 struct acpi_lpit_header {
769 	u32 type;		/* Subtable type */
770 	u32 length;		/* Subtable length */
771 	u16 unique_id;
772 	u16 reserved;
773 	u32 flags;
774 };
775 
776 /* Values for subtable Type above */
777 
778 enum acpi_lpit_type {
779 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
780 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
781 };
782 
783 /* Masks for Flags field above  */
784 
785 #define ACPI_LPIT_STATE_DISABLED    (1)
786 #define ACPI_LPIT_NO_COUNTER        (1<<1)
787 
788 /*
789  * LPIT subtables, correspond to Type in struct acpi_lpit_header
790  */
791 
792 /* 0x00: Native C-state instruction based LPI structure */
793 
794 struct acpi_lpit_native {
795 	struct acpi_lpit_header header;
796 	struct acpi_generic_address entry_trigger;
797 	u32 residency;
798 	u32 latency;
799 	struct acpi_generic_address residency_counter;
800 	u64 counter_frequency;
801 };
802 
803 /*******************************************************************************
804  *
805  * MADT - Multiple APIC Description Table
806  *        Version 3
807  *
808  ******************************************************************************/
809 
810 struct acpi_table_madt {
811 	struct acpi_table_header header;	/* Common ACPI table header */
812 	u32 address;		/* Physical address of local APIC */
813 	u32 flags;
814 };
815 
816 /* Masks for Flags field above */
817 
818 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
819 
820 /* Values for PCATCompat flag */
821 
822 #define ACPI_MADT_DUAL_PIC          1
823 #define ACPI_MADT_MULTIPLE_APIC     0
824 
825 /* Values for MADT subtable type in struct acpi_subtable_header */
826 
827 enum acpi_madt_type {
828 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
829 	ACPI_MADT_TYPE_IO_APIC = 1,
830 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
831 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
832 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
833 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
834 	ACPI_MADT_TYPE_IO_SAPIC = 6,
835 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
836 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
837 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
838 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
839 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
840 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
841 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
842 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
843 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
844 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
845 	ACPI_MADT_TYPE_RESERVED = 17,	/* 17 to 0x7F are reserved */
846 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
847 };
848 
849 /*
850  * MADT Subtables, correspond to Type in struct acpi_subtable_header
851  */
852 
853 /* 0: Processor Local APIC */
854 
855 struct acpi_madt_local_apic {
856 	struct acpi_subtable_header header;
857 	u8 processor_id;	/* ACPI processor id */
858 	u8 id;			/* Processor's local APIC id */
859 	u32 lapic_flags;
860 };
861 
862 /* 1: IO APIC */
863 
864 struct acpi_madt_io_apic {
865 	struct acpi_subtable_header header;
866 	u8 id;			/* I/O APIC ID */
867 	u8 reserved;		/* reserved - must be zero */
868 	u32 address;		/* APIC physical address */
869 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
870 };
871 
872 /* 2: Interrupt Override */
873 
874 struct acpi_madt_interrupt_override {
875 	struct acpi_subtable_header header;
876 	u8 bus;			/* 0 - ISA */
877 	u8 source_irq;		/* Interrupt source (IRQ) */
878 	u32 global_irq;		/* Global system interrupt */
879 	u16 inti_flags;
880 };
881 
882 /* 3: NMI Source */
883 
884 struct acpi_madt_nmi_source {
885 	struct acpi_subtable_header header;
886 	u16 inti_flags;
887 	u32 global_irq;		/* Global system interrupt */
888 };
889 
890 /* 4: Local APIC NMI */
891 
892 struct acpi_madt_local_apic_nmi {
893 	struct acpi_subtable_header header;
894 	u8 processor_id;	/* ACPI processor id */
895 	u16 inti_flags;
896 	u8 lint;		/* LINTn to which NMI is connected */
897 };
898 
899 /* 5: Address Override */
900 
901 struct acpi_madt_local_apic_override {
902 	struct acpi_subtable_header header;
903 	u16 reserved;		/* Reserved, must be zero */
904 	u64 address;		/* APIC physical address */
905 };
906 
907 /* 6: I/O Sapic */
908 
909 struct acpi_madt_io_sapic {
910 	struct acpi_subtable_header header;
911 	u8 id;			/* I/O SAPIC ID */
912 	u8 reserved;		/* Reserved, must be zero */
913 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
914 	u64 address;		/* SAPIC physical address */
915 };
916 
917 /* 7: Local Sapic */
918 
919 struct acpi_madt_local_sapic {
920 	struct acpi_subtable_header header;
921 	u8 processor_id;	/* ACPI processor id */
922 	u8 id;			/* SAPIC ID */
923 	u8 eid;			/* SAPIC EID */
924 	u8 reserved[3];		/* Reserved, must be zero */
925 	u32 lapic_flags;
926 	u32 uid;		/* Numeric UID - ACPI 3.0 */
927 	char uid_string[1];	/* String UID  - ACPI 3.0 */
928 };
929 
930 /* 8: Platform Interrupt Source */
931 
932 struct acpi_madt_interrupt_source {
933 	struct acpi_subtable_header header;
934 	u16 inti_flags;
935 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
936 	u8 id;			/* Processor ID */
937 	u8 eid;			/* Processor EID */
938 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
939 	u32 global_irq;		/* Global system interrupt */
940 	u32 flags;		/* Interrupt Source Flags */
941 };
942 
943 /* Masks for Flags field above */
944 
945 #define ACPI_MADT_CPEI_OVERRIDE     (1)
946 
947 /* 9: Processor Local X2APIC (ACPI 4.0) */
948 
949 struct acpi_madt_local_x2apic {
950 	struct acpi_subtable_header header;
951 	u16 reserved;		/* reserved - must be zero */
952 	u32 local_apic_id;	/* Processor x2APIC ID  */
953 	u32 lapic_flags;
954 	u32 uid;		/* ACPI processor UID */
955 };
956 
957 /* 10: Local X2APIC NMI (ACPI 4.0) */
958 
959 struct acpi_madt_local_x2apic_nmi {
960 	struct acpi_subtable_header header;
961 	u16 inti_flags;
962 	u32 uid;		/* ACPI processor UID */
963 	u8 lint;		/* LINTn to which NMI is connected */
964 	u8 reserved[3];		/* reserved - must be zero */
965 };
966 
967 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
968 
969 struct acpi_madt_generic_interrupt {
970 	struct acpi_subtable_header header;
971 	u16 reserved;		/* reserved - must be zero */
972 	u32 cpu_interface_number;
973 	u32 uid;
974 	u32 flags;
975 	u32 parking_version;
976 	u32 performance_interrupt;
977 	u64 parked_address;
978 	u64 base_address;
979 	u64 gicv_base_address;
980 	u64 gich_base_address;
981 	u32 vgic_interrupt;
982 	u64 gicr_base_address;
983 	u64 arm_mpidr;
984 	u8 efficiency_class;
985 	u8 reserved2[1];
986 	u16 spe_interrupt;	/* ACPI 6.3 */
987 };
988 
989 /* Masks for Flags field above */
990 
991 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
992 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
993 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
994 
995 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
996 
997 struct acpi_madt_generic_distributor {
998 	struct acpi_subtable_header header;
999 	u16 reserved;		/* reserved - must be zero */
1000 	u32 gic_id;
1001 	u64 base_address;
1002 	u32 global_irq_base;
1003 	u8 version;
1004 	u8 reserved2[3];	/* reserved - must be zero */
1005 };
1006 
1007 /* Values for Version field above */
1008 
1009 enum acpi_madt_gic_version {
1010 	ACPI_MADT_GIC_VERSION_NONE = 0,
1011 	ACPI_MADT_GIC_VERSION_V1 = 1,
1012 	ACPI_MADT_GIC_VERSION_V2 = 2,
1013 	ACPI_MADT_GIC_VERSION_V3 = 3,
1014 	ACPI_MADT_GIC_VERSION_V4 = 4,
1015 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1016 };
1017 
1018 /* 13: Generic MSI Frame (ACPI 5.1) */
1019 
1020 struct acpi_madt_generic_msi_frame {
1021 	struct acpi_subtable_header header;
1022 	u16 reserved;		/* reserved - must be zero */
1023 	u32 msi_frame_id;
1024 	u64 base_address;
1025 	u32 flags;
1026 	u16 spi_count;
1027 	u16 spi_base;
1028 };
1029 
1030 /* Masks for Flags field above */
1031 
1032 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1033 
1034 /* 14: Generic Redistributor (ACPI 5.1) */
1035 
1036 struct acpi_madt_generic_redistributor {
1037 	struct acpi_subtable_header header;
1038 	u16 reserved;		/* reserved - must be zero */
1039 	u64 base_address;
1040 	u32 length;
1041 };
1042 
1043 /* 15: Generic Translator (ACPI 6.0) */
1044 
1045 struct acpi_madt_generic_translator {
1046 	struct acpi_subtable_header header;
1047 	u16 reserved;		/* reserved - must be zero */
1048 	u32 translation_id;
1049 	u64 base_address;
1050 	u32 reserved2;
1051 };
1052 
1053 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1054 
1055 struct acpi_madt_multiproc_wakeup {
1056 	struct acpi_subtable_header header;
1057 	u16 mailbox_version;
1058 	u32 reserved;		/* reserved - must be zero */
1059 	u64 base_address;
1060 };
1061 
1062 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1063 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1064 
1065 struct acpi_madt_multiproc_wakeup_mailbox {
1066 	u16 command;
1067 	u16 reserved;		/* reserved - must be zero */
1068 	u32 apic_id;
1069 	u64 wakeup_vector;
1070 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1071 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1072 };
1073 
1074 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
1075 
1076 /* 17: OEM data */
1077 
1078 struct acpi_madt_oem_data {
1079 	u8 oem_data[0];
1080 };
1081 
1082 /*
1083  * Common flags fields for MADT subtables
1084  */
1085 
1086 /* MADT Local APIC flags */
1087 
1088 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1089 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1090 
1091 /* MADT MPS INTI flags (inti_flags) */
1092 
1093 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1094 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1095 
1096 /* Values for MPS INTI flags */
1097 
1098 #define ACPI_MADT_POLARITY_CONFORMS       0
1099 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1100 #define ACPI_MADT_POLARITY_RESERVED       2
1101 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1102 
1103 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1104 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1105 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1106 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1107 
1108 /*******************************************************************************
1109  *
1110  * MCFG - PCI Memory Mapped Configuration table and subtable
1111  *        Version 1
1112  *
1113  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1114  *
1115  ******************************************************************************/
1116 
1117 struct acpi_table_mcfg {
1118 	struct acpi_table_header header;	/* Common ACPI table header */
1119 	u8 reserved[8];
1120 };
1121 
1122 /* Subtable */
1123 
1124 struct acpi_mcfg_allocation {
1125 	u64 address;		/* Base address, processor-relative */
1126 	u16 pci_segment;	/* PCI segment group number */
1127 	u8 start_bus_number;	/* Starting PCI Bus number */
1128 	u8 end_bus_number;	/* Final PCI Bus number */
1129 	u32 reserved;
1130 };
1131 
1132 /*******************************************************************************
1133  *
1134  * MCHI - Management Controller Host Interface Table
1135  *        Version 1
1136  *
1137  * Conforms to "Management Component Transport Protocol (MCTP) Host
1138  * Interface Specification", Revision 1.0.0a, October 13, 2009
1139  *
1140  ******************************************************************************/
1141 
1142 struct acpi_table_mchi {
1143 	struct acpi_table_header header;	/* Common ACPI table header */
1144 	u8 interface_type;
1145 	u8 protocol;
1146 	u64 protocol_data;
1147 	u8 interrupt_type;
1148 	u8 gpe;
1149 	u8 pci_device_flag;
1150 	u32 global_interrupt;
1151 	struct acpi_generic_address control_register;
1152 	u8 pci_segment;
1153 	u8 pci_bus;
1154 	u8 pci_device;
1155 	u8 pci_function;
1156 };
1157 
1158 /*******************************************************************************
1159  *
1160  * MPST - Memory Power State Table (ACPI 5.0)
1161  *        Version 1
1162  *
1163  ******************************************************************************/
1164 
1165 #define ACPI_MPST_CHANNEL_INFO \
1166 	u8                              channel_id; \
1167 	u8                              reserved1[3]; \
1168 	u16                             power_node_count; \
1169 	u16                             reserved2;
1170 
1171 /* Main table */
1172 
1173 struct acpi_table_mpst {
1174 	struct acpi_table_header header;	/* Common ACPI table header */
1175 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1176 };
1177 
1178 /* Memory Platform Communication Channel Info */
1179 
1180 struct acpi_mpst_channel {
1181 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1182 };
1183 
1184 /* Memory Power Node Structure */
1185 
1186 struct acpi_mpst_power_node {
1187 	u8 flags;
1188 	u8 reserved1;
1189 	u16 node_id;
1190 	u32 length;
1191 	u64 range_address;
1192 	u64 range_length;
1193 	u32 num_power_states;
1194 	u32 num_physical_components;
1195 };
1196 
1197 /* Values for Flags field above */
1198 
1199 #define ACPI_MPST_ENABLED               1
1200 #define ACPI_MPST_POWER_MANAGED         2
1201 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1202 
1203 /* Memory Power State Structure (follows POWER_NODE above) */
1204 
1205 struct acpi_mpst_power_state {
1206 	u8 power_state;
1207 	u8 info_index;
1208 };
1209 
1210 /* Physical Component ID Structure (follows POWER_STATE above) */
1211 
1212 struct acpi_mpst_component {
1213 	u16 component_id;
1214 };
1215 
1216 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1217 
1218 struct acpi_mpst_data_hdr {
1219 	u16 characteristics_count;
1220 	u16 reserved;
1221 };
1222 
1223 struct acpi_mpst_power_data {
1224 	u8 structure_id;
1225 	u8 flags;
1226 	u16 reserved1;
1227 	u32 average_power;
1228 	u32 power_saving;
1229 	u64 exit_latency;
1230 	u64 reserved2;
1231 };
1232 
1233 /* Values for Flags field above */
1234 
1235 #define ACPI_MPST_PRESERVE              1
1236 #define ACPI_MPST_AUTOENTRY             2
1237 #define ACPI_MPST_AUTOEXIT              4
1238 
1239 /* Shared Memory Region (not part of an ACPI table) */
1240 
1241 struct acpi_mpst_shared {
1242 	u32 signature;
1243 	u16 pcc_command;
1244 	u16 pcc_status;
1245 	u32 command_register;
1246 	u32 status_register;
1247 	u32 power_state_id;
1248 	u32 power_node_id;
1249 	u64 energy_consumed;
1250 	u64 average_power;
1251 };
1252 
1253 /*******************************************************************************
1254  *
1255  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1256  *        Version 1
1257  *
1258  ******************************************************************************/
1259 
1260 struct acpi_table_msct {
1261 	struct acpi_table_header header;	/* Common ACPI table header */
1262 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1263 	u32 max_proximity_domains;	/* Max number of proximity domains */
1264 	u32 max_clock_domains;	/* Max number of clock domains */
1265 	u64 max_address;	/* Max physical address in system */
1266 };
1267 
1268 /* subtable - Maximum Proximity Domain Information. Version 1 */
1269 
1270 struct acpi_msct_proximity {
1271 	u8 revision;
1272 	u8 length;
1273 	u32 range_start;	/* Start of domain range */
1274 	u32 range_end;		/* End of domain range */
1275 	u32 processor_capacity;
1276 	u64 memory_capacity;	/* In bytes */
1277 };
1278 
1279 /*******************************************************************************
1280  *
1281  * MSDM - Microsoft Data Management table
1282  *
1283  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1284  * November 29, 2011. Copyright 2011 Microsoft
1285  *
1286  ******************************************************************************/
1287 
1288 /* Basic MSDM table is only the common ACPI header */
1289 
1290 struct acpi_table_msdm {
1291 	struct acpi_table_header header;	/* Common ACPI table header */
1292 };
1293 
1294 /*******************************************************************************
1295  *
1296  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1297  *        Version 1
1298  *
1299  ******************************************************************************/
1300 
1301 struct acpi_table_nfit {
1302 	struct acpi_table_header header;	/* Common ACPI table header */
1303 	u32 reserved;		/* Reserved, must be zero */
1304 };
1305 
1306 /* Subtable header for NFIT */
1307 
1308 struct acpi_nfit_header {
1309 	u16 type;
1310 	u16 length;
1311 };
1312 
1313 /* Values for subtable type in struct acpi_nfit_header */
1314 
1315 enum acpi_nfit_type {
1316 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1317 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1318 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1319 	ACPI_NFIT_TYPE_SMBIOS = 3,
1320 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1321 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1322 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1323 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1324 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1325 };
1326 
1327 /*
1328  * NFIT Subtables
1329  */
1330 
1331 /* 0: System Physical Address Range Structure */
1332 
1333 struct acpi_nfit_system_address {
1334 	struct acpi_nfit_header header;
1335 	u16 range_index;
1336 	u16 flags;
1337 	u32 reserved;		/* Reserved, must be zero */
1338 	u32 proximity_domain;
1339 	u8 range_guid[16];
1340 	u64 address;
1341 	u64 length;
1342 	u64 memory_mapping;
1343 	u64 location_cookie;	/* ACPI 6.4 */
1344 };
1345 
1346 /* Flags */
1347 
1348 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1349 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1350 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1351 
1352 /* Range Type GUIDs appear in the include/acuuid.h file */
1353 
1354 /* 1: Memory Device to System Address Range Map Structure */
1355 
1356 struct acpi_nfit_memory_map {
1357 	struct acpi_nfit_header header;
1358 	u32 device_handle;
1359 	u16 physical_id;
1360 	u16 region_id;
1361 	u16 range_index;
1362 	u16 region_index;
1363 	u64 region_size;
1364 	u64 region_offset;
1365 	u64 address;
1366 	u16 interleave_index;
1367 	u16 interleave_ways;
1368 	u16 flags;
1369 	u16 reserved;		/* Reserved, must be zero */
1370 };
1371 
1372 /* Flags */
1373 
1374 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1375 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1376 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1377 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1378 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1379 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1380 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1381 
1382 /* 2: Interleave Structure */
1383 
1384 struct acpi_nfit_interleave {
1385 	struct acpi_nfit_header header;
1386 	u16 interleave_index;
1387 	u16 reserved;		/* Reserved, must be zero */
1388 	u32 line_count;
1389 	u32 line_size;
1390 	u32 line_offset[1];	/* Variable length */
1391 };
1392 
1393 /* 3: SMBIOS Management Information Structure */
1394 
1395 struct acpi_nfit_smbios {
1396 	struct acpi_nfit_header header;
1397 	u32 reserved;		/* Reserved, must be zero */
1398 	u8 data[1];		/* Variable length */
1399 };
1400 
1401 /* 4: NVDIMM Control Region Structure */
1402 
1403 struct acpi_nfit_control_region {
1404 	struct acpi_nfit_header header;
1405 	u16 region_index;
1406 	u16 vendor_id;
1407 	u16 device_id;
1408 	u16 revision_id;
1409 	u16 subsystem_vendor_id;
1410 	u16 subsystem_device_id;
1411 	u16 subsystem_revision_id;
1412 	u8 valid_fields;
1413 	u8 manufacturing_location;
1414 	u16 manufacturing_date;
1415 	u8 reserved[2];		/* Reserved, must be zero */
1416 	u32 serial_number;
1417 	u16 code;
1418 	u16 windows;
1419 	u64 window_size;
1420 	u64 command_offset;
1421 	u64 command_size;
1422 	u64 status_offset;
1423 	u64 status_size;
1424 	u16 flags;
1425 	u8 reserved1[6];	/* Reserved, must be zero */
1426 };
1427 
1428 /* Flags */
1429 
1430 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1431 
1432 /* valid_fields bits */
1433 
1434 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1435 
1436 /* 5: NVDIMM Block Data Window Region Structure */
1437 
1438 struct acpi_nfit_data_region {
1439 	struct acpi_nfit_header header;
1440 	u16 region_index;
1441 	u16 windows;
1442 	u64 offset;
1443 	u64 size;
1444 	u64 capacity;
1445 	u64 start_address;
1446 };
1447 
1448 /* 6: Flush Hint Address Structure */
1449 
1450 struct acpi_nfit_flush_address {
1451 	struct acpi_nfit_header header;
1452 	u32 device_handle;
1453 	u16 hint_count;
1454 	u8 reserved[6];		/* Reserved, must be zero */
1455 	u64 hint_address[1];	/* Variable length */
1456 };
1457 
1458 /* 7: Platform Capabilities Structure */
1459 
1460 struct acpi_nfit_capabilities {
1461 	struct acpi_nfit_header header;
1462 	u8 highest_capability;
1463 	u8 reserved[3];		/* Reserved, must be zero */
1464 	u32 capabilities;
1465 	u32 reserved2;
1466 };
1467 
1468 /* Capabilities Flags */
1469 
1470 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1471 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1472 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1473 
1474 /*
1475  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1476  */
1477 struct nfit_device_handle {
1478 	u32 handle;
1479 };
1480 
1481 /* Device handle construction and extraction macros */
1482 
1483 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1484 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1485 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1486 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1487 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1488 
1489 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1490 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1491 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1492 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1493 #define ACPI_NFIT_NODE_ID_OFFSET                16
1494 
1495 /* Macro to construct a NFIT/NVDIMM device handle */
1496 
1497 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1498 	((dimm)                                         | \
1499 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1500 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1501 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1502 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1503 
1504 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1505 
1506 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1507 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1508 
1509 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1510 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1511 
1512 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1513 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1514 
1515 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1516 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1517 
1518 #define ACPI_NFIT_GET_NODE_ID(handle) \
1519 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1520 
1521 /*******************************************************************************
1522  *
1523  * NHLT - Non HD Audio Link Table
1524  *
1525  * Conforms to: Intel Smart Sound Technology NHLT Specification
1526  * Version 0.8.1, January 2020.
1527  *
1528  ******************************************************************************/
1529 
1530 /* Main table */
1531 
1532 struct acpi_table_nhlt {
1533 	struct acpi_table_header header;	/* Common ACPI table header */
1534 	u8 endpoint_count;
1535 };
1536 
1537 struct acpi_nhlt_endpoint {
1538 	u32 descriptor_length;
1539 	u8 link_type;
1540 	u8 instance_id;
1541 	u16 vendor_id;
1542 	u16 device_id;
1543 	u16 revision_id;
1544 	u32 subsystem_id;
1545 	u8 device_type;
1546 	u8 direction;
1547 	u8 virtual_bus_id;
1548 };
1549 
1550 /* Types for link_type field above */
1551 
1552 #define ACPI_NHLT_RESERVED_HD_AUDIO         0
1553 #define ACPI_NHLT_RESERVED_DSP              1
1554 #define ACPI_NHLT_PDM                       2
1555 #define ACPI_NHLT_SSP                       3
1556 #define ACPI_NHLT_RESERVED_SLIMBUS          4
1557 #define ACPI_NHLT_RESERVED_SOUNDWIRE        5
1558 #define ACPI_NHLT_TYPE_RESERVED             6	/* 6 and above are reserved */
1559 
1560 /* All other values above are reserved */
1561 
1562 /* Values for device_id field above */
1563 
1564 #define ACPI_NHLT_PDM_DMIC                  0xAE20
1565 #define ACPI_NHLT_BT_SIDEBAND               0xAE30
1566 #define ACPI_NHLT_I2S_TDM_CODECS            0xAE23
1567 
1568 /* Values for device_type field above */
1569 
1570 /* SSP Link */
1571 
1572 #define ACPI_NHLT_LINK_BT_SIDEBAND          0
1573 #define ACPI_NHLT_LINK_FM                   1
1574 #define ACPI_NHLT_LINK_MODEM                2
1575 /* 3 is reserved */
1576 #define ACPI_NHLT_LINK_SSP_ANALOG_CODEC     4
1577 
1578 /* PDM Link */
1579 
1580 #define ACPI_NHLT_PDM_ON_CAVS_1P8           0
1581 #define ACPI_NHLT_PDM_ON_CAVS_1P5           1
1582 
1583 /* Values for Direction field above */
1584 
1585 #define ACPI_NHLT_DIR_RENDER                0
1586 #define ACPI_NHLT_DIR_CAPTURE               1
1587 #define ACPI_NHLT_DIR_RENDER_LOOPBACK       2
1588 #define ACPI_NHLT_DIR_RENDER_FEEDBACK       3
1589 #define ACPI_NHLT_DIR_RESERVED              4	/* 4 and above are reserved */
1590 
1591 struct acpi_nhlt_device_specific_config {
1592 	u32 capabilities_size;
1593 	u8 virtual_slot;
1594 	u8 config_type;
1595 };
1596 
1597 struct acpi_nhlt_device_specific_config_a {
1598 	u32 capabilities_size;
1599 	u8 virtual_slot;
1600 	u8 config_type;
1601 	u8 array_type;
1602 };
1603 
1604 /* Values for Config Type above */
1605 
1606 #define ACPI_NHLT_CONFIG_TYPE_GENERIC              0x00
1607 #define ACPI_NHLT_CONFIG_TYPE_MIC_ARRAY            0x01
1608 #define ACPI_NHLT_CONFIG_TYPE_RENDER_FEEDBACK      0x03
1609 #define ACPI_NHLT_CONFIG_TYPE_RESERVED             0x04	/* 4 and above are reserved */
1610 
1611 struct acpi_nhlt_device_specific_config_b {
1612 	u32 capabilities_size;
1613 };
1614 
1615 struct acpi_nhlt_device_specific_config_c {
1616 	u32 capabilities_size;
1617 	u8 virtual_slot;
1618 };
1619 
1620 struct acpi_nhlt_render_device_specific_config {
1621 	u32 capabilities_size;
1622 	u8 virtual_slot;
1623 };
1624 
1625 struct acpi_nhlt_wave_extensible {
1626 	u16 format_tag;
1627 	u16 channel_count;
1628 	u32 samples_per_sec;
1629 	u32 avg_bytes_per_sec;
1630 	u16 block_align;
1631 	u16 bits_per_sample;
1632 	u16 extra_format_size;
1633 	u16 valid_bits_per_sample;
1634 	u32 channel_mask;
1635 	u8 sub_format_guid[16];
1636 };
1637 
1638 /* Values for channel_mask above */
1639 
1640 #define ACPI_NHLT_SPKR_FRONT_LEFT             0x1
1641 #define ACPI_NHLT_SPKR_FRONT_RIGHT            0x2
1642 #define ACPI_NHLT_SPKR_FRONT_CENTER           0x4
1643 #define ACPI_NHLT_SPKR_LOW_FREQ               0x8
1644 #define ACPI_NHLT_SPKR_BACK_LEFT              0x10
1645 #define ACPI_NHLT_SPKR_BACK_RIGHT             0x20
1646 #define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER   0x40
1647 #define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER  0x80
1648 #define ACPI_NHLT_SPKR_BACK_CENTER            0x100
1649 #define ACPI_NHLT_SPKR_SIDE_LEFT              0x200
1650 #define ACPI_NHLT_SPKR_SIDE_RIGHT             0x400
1651 #define ACPI_NHLT_SPKR_TOP_CENTER             0x800
1652 #define ACPI_NHLT_SPKR_TOP_FRONT_LEFT         0x1000
1653 #define ACPI_NHLT_SPKR_TOP_FRONT_CENTER       0x2000
1654 #define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT        0x4000
1655 #define ACPI_NHLT_SPKR_TOP_BACK_LEFT          0x8000
1656 #define ACPI_NHLT_SPKR_TOP_BACK_CENTER        0x10000
1657 #define ACPI_NHLT_SPKR_TOP_BACK_RIGHT         0x20000
1658 
1659 struct acpi_nhlt_format_config {
1660 	struct acpi_nhlt_wave_extensible format;
1661 	u32 capability_size;
1662 	u8 capabilities[];
1663 };
1664 
1665 struct acpi_nhlt_formats_config {
1666 	u8 formats_count;
1667 };
1668 
1669 struct acpi_nhlt_device_specific_hdr {
1670 	u8 virtual_slot;
1671 	u8 config_type;
1672 };
1673 
1674 /* Types for config_type above */
1675 
1676 #define ACPI_NHLT_GENERIC                   0
1677 #define ACPI_NHLT_MIC                       1
1678 #define ACPI_NHLT_RENDER                    3
1679 
1680 struct acpi_nhlt_mic_device_specific_config {
1681 	struct acpi_nhlt_device_specific_hdr device_config;
1682 	u8 array_type_ext;
1683 };
1684 
1685 /* Values for array_type_ext above */
1686 
1687 #define ACPI_NHLT_ARRAY_TYPE_RESERVED               0x09	/* 9 and below are reserved */
1688 #define ACPI_NHLT_SMALL_LINEAR_2ELEMENT             0x0A
1689 #define ACPI_NHLT_BIG_LINEAR_2ELEMENT               0x0B
1690 #define ACPI_NHLT_FIRST_GEOMETRY_LINEAR_4ELEMENT    0x0C
1691 #define ACPI_NHLT_PLANAR_LSHAPED_4ELEMENT           0x0D
1692 #define ACPI_NHLT_SECOND_GEOMETRY_LINEAR_4ELEMENT   0x0E
1693 #define ACPI_NHLT_VENDOR_DEFINED                    0x0F
1694 #define ACPI_NHLT_ARRAY_TYPE_MASK                   0x0F
1695 #define ACPI_NHLT_ARRAY_TYPE_EXT_MASK               0x10
1696 
1697 #define ACPI_NHLT_NO_EXTENSION                      0x0
1698 #define ACPI_NHLT_MIC_SNR_SENSITIVITY_EXT           (1<<4)
1699 
1700 struct acpi_nhlt_vendor_mic_count {
1701 	u8 microphone_count;
1702 };
1703 
1704 struct acpi_nhlt_vendor_mic_config {
1705 	u8 type;
1706 	u8 panel;
1707 	u16 speaker_position_distance;	/* mm */
1708 	u16 horizontal_offset;	/* mm */
1709 	u16 vertical_offset;	/* mm */
1710 	u8 frequency_low_band;	/* 5*Hz */
1711 	u8 frequency_high_band;	/* 500*Hz */
1712 	u16 direction_angle;	/* -180 - + 180 */
1713 	u16 elevation_angle;	/* -180 - + 180 */
1714 	u16 work_vertical_angle_begin;	/* -180 - + 180 with 2 deg step */
1715 	u16 work_vertical_angle_end;	/* -180 - + 180 with 2 deg step */
1716 	u16 work_horizontal_angle_begin;	/* -180 - + 180 with 2 deg step */
1717 	u16 work_horizontal_angle_end;	/* -180 - + 180 with 2 deg step */
1718 };
1719 
1720 /* Values for Type field above */
1721 
1722 #define ACPI_NHLT_MIC_OMNIDIRECTIONAL       0
1723 #define ACPI_NHLT_MIC_SUBCARDIOID           1
1724 #define ACPI_NHLT_MIC_CARDIOID              2
1725 #define ACPI_NHLT_MIC_SUPER_CARDIOID        3
1726 #define ACPI_NHLT_MIC_HYPER_CARDIOID        4
1727 #define ACPI_NHLT_MIC_8_SHAPED              5
1728 #define ACPI_NHLT_MIC_RESERVED6             6	/* 6 is reserved */
1729 #define ACPI_NHLT_MIC_VENDOR_DEFINED        7
1730 #define ACPI_NHLT_MIC_RESERVED              8	/* 8 and above are reserved */
1731 
1732 /* Values for Panel field above */
1733 
1734 #define ACPI_NHLT_MIC_POSITION_TOP          0
1735 #define ACPI_NHLT_MIC_POSITION_BOTTOM       1
1736 #define ACPI_NHLT_MIC_POSITION_LEFT         2
1737 #define ACPI_NHLT_MIC_POSITION_RIGHT        3
1738 #define ACPI_NHLT_MIC_POSITION_FRONT        4
1739 #define ACPI_NHLT_MIC_POSITION_BACK         5
1740 #define ACPI_NHLT_MIC_POSITION_RESERVED     6	/* 6 and above are reserved */
1741 
1742 struct acpi_nhlt_vendor_mic_device_specific_config {
1743 	struct acpi_nhlt_mic_device_specific_config mic_array_device_config;
1744 	u8 number_of_microphones;
1745 	struct acpi_nhlt_vendor_mic_config mic_config[];	/* Indexed by number_of_microphones */
1746 };
1747 
1748 /* Microphone SNR and Sensitivity extension */
1749 
1750 struct acpi_nhlt_mic_snr_sensitivity_extension {
1751 	u32 SNR;
1752 	u32 sensitivity;
1753 };
1754 
1755 /* Render device with feedback */
1756 
1757 struct acpi_nhlt_render_feedback_device_specific_config {
1758 	u8 feedback_virtual_slot;	/* Render slot in case of capture */
1759 	u16 feedback_channels;	/* Informative only */
1760 	u16 feedback_valid_bits_per_sample;
1761 };
1762 
1763 /* Non documented structures */
1764 
1765 struct acpi_nhlt_device_info_count {
1766 	u8 structure_count;
1767 };
1768 
1769 struct acpi_nhlt_device_info {
1770 	u8 device_id[16];
1771 	u8 device_instance_id;
1772 	u8 device_port_id;
1773 };
1774 
1775 /*******************************************************************************
1776  *
1777  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1778  *        Version 2 (ACPI 6.2)
1779  *
1780  ******************************************************************************/
1781 
1782 struct acpi_table_pcct {
1783 	struct acpi_table_header header;	/* Common ACPI table header */
1784 	u32 flags;
1785 	u64 reserved;
1786 };
1787 
1788 /* Values for Flags field above */
1789 
1790 #define ACPI_PCCT_DOORBELL              1
1791 
1792 /* Values for subtable type in struct acpi_subtable_header */
1793 
1794 enum acpi_pcct_type {
1795 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1796 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1797 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1798 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1799 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1800 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1801 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1802 };
1803 
1804 /*
1805  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1806  */
1807 
1808 /* 0: Generic Communications Subspace */
1809 
1810 struct acpi_pcct_subspace {
1811 	struct acpi_subtable_header header;
1812 	u8 reserved[6];
1813 	u64 base_address;
1814 	u64 length;
1815 	struct acpi_generic_address doorbell_register;
1816 	u64 preserve_mask;
1817 	u64 write_mask;
1818 	u32 latency;
1819 	u32 max_access_rate;
1820 	u16 min_turnaround_time;
1821 };
1822 
1823 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1824 
1825 struct acpi_pcct_hw_reduced {
1826 	struct acpi_subtable_header header;
1827 	u32 platform_interrupt;
1828 	u8 flags;
1829 	u8 reserved;
1830 	u64 base_address;
1831 	u64 length;
1832 	struct acpi_generic_address doorbell_register;
1833 	u64 preserve_mask;
1834 	u64 write_mask;
1835 	u32 latency;
1836 	u32 max_access_rate;
1837 	u16 min_turnaround_time;
1838 };
1839 
1840 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1841 
1842 struct acpi_pcct_hw_reduced_type2 {
1843 	struct acpi_subtable_header header;
1844 	u32 platform_interrupt;
1845 	u8 flags;
1846 	u8 reserved;
1847 	u64 base_address;
1848 	u64 length;
1849 	struct acpi_generic_address doorbell_register;
1850 	u64 preserve_mask;
1851 	u64 write_mask;
1852 	u32 latency;
1853 	u32 max_access_rate;
1854 	u16 min_turnaround_time;
1855 	struct acpi_generic_address platform_ack_register;
1856 	u64 ack_preserve_mask;
1857 	u64 ack_write_mask;
1858 };
1859 
1860 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1861 
1862 struct acpi_pcct_ext_pcc_master {
1863 	struct acpi_subtable_header header;
1864 	u32 platform_interrupt;
1865 	u8 flags;
1866 	u8 reserved1;
1867 	u64 base_address;
1868 	u32 length;
1869 	struct acpi_generic_address doorbell_register;
1870 	u64 preserve_mask;
1871 	u64 write_mask;
1872 	u32 latency;
1873 	u32 max_access_rate;
1874 	u32 min_turnaround_time;
1875 	struct acpi_generic_address platform_ack_register;
1876 	u64 ack_preserve_mask;
1877 	u64 ack_set_mask;
1878 	u64 reserved2;
1879 	struct acpi_generic_address cmd_complete_register;
1880 	u64 cmd_complete_mask;
1881 	struct acpi_generic_address cmd_update_register;
1882 	u64 cmd_update_preserve_mask;
1883 	u64 cmd_update_set_mask;
1884 	struct acpi_generic_address error_status_register;
1885 	u64 error_status_mask;
1886 };
1887 
1888 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1889 
1890 struct acpi_pcct_ext_pcc_slave {
1891 	struct acpi_subtable_header header;
1892 	u32 platform_interrupt;
1893 	u8 flags;
1894 	u8 reserved1;
1895 	u64 base_address;
1896 	u32 length;
1897 	struct acpi_generic_address doorbell_register;
1898 	u64 preserve_mask;
1899 	u64 write_mask;
1900 	u32 latency;
1901 	u32 max_access_rate;
1902 	u32 min_turnaround_time;
1903 	struct acpi_generic_address platform_ack_register;
1904 	u64 ack_preserve_mask;
1905 	u64 ack_set_mask;
1906 	u64 reserved2;
1907 	struct acpi_generic_address cmd_complete_register;
1908 	u64 cmd_complete_mask;
1909 	struct acpi_generic_address cmd_update_register;
1910 	u64 cmd_update_preserve_mask;
1911 	u64 cmd_update_set_mask;
1912 	struct acpi_generic_address error_status_register;
1913 	u64 error_status_mask;
1914 };
1915 
1916 /* 5: HW Registers based Communications Subspace */
1917 
1918 struct acpi_pcct_hw_reg {
1919 	struct acpi_subtable_header header;
1920 	u16 version;
1921 	u64 base_address;
1922 	u64 length;
1923 	struct acpi_generic_address doorbell_register;
1924 	u64 doorbell_preserve;
1925 	u64 doorbell_write;
1926 	struct acpi_generic_address cmd_complete_register;
1927 	u64 cmd_complete_mask;
1928 	struct acpi_generic_address error_status_register;
1929 	u64 error_status_mask;
1930 	u32 nominal_latency;
1931 	u32 min_turnaround_time;
1932 };
1933 
1934 /* Values for doorbell flags above */
1935 
1936 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1937 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1938 
1939 /*
1940  * PCC memory structures (not part of the ACPI table)
1941  */
1942 
1943 /* Shared Memory Region */
1944 
1945 struct acpi_pcct_shared_memory {
1946 	u32 signature;
1947 	u16 command;
1948 	u16 status;
1949 };
1950 
1951 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1952 
1953 struct acpi_pcct_ext_pcc_shared_memory {
1954 	u32 signature;
1955 	u32 flags;
1956 	u32 length;
1957 	u32 command;
1958 };
1959 
1960 /*******************************************************************************
1961  *
1962  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1963  *        Version 0
1964  *
1965  ******************************************************************************/
1966 
1967 struct acpi_table_pdtt {
1968 	struct acpi_table_header header;	/* Common ACPI table header */
1969 	u8 trigger_count;
1970 	u8 reserved[3];
1971 	u32 array_offset;
1972 };
1973 
1974 /*
1975  * PDTT Communication Channel Identifier Structure.
1976  * The number of these structures is defined by trigger_count above,
1977  * starting at array_offset.
1978  */
1979 struct acpi_pdtt_channel {
1980 	u8 subchannel_id;
1981 	u8 flags;
1982 };
1983 
1984 /* Flags for above */
1985 
1986 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
1987 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
1988 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
1989 
1990 /*******************************************************************************
1991  *
1992  * PHAT - Platform Health Assessment Table (ACPI 6.4)
1993  *        Version 1
1994  *
1995  ******************************************************************************/
1996 
1997 struct acpi_table_phat {
1998 	struct acpi_table_header header;	/* Common ACPI table header */
1999 };
2000 
2001 /* Common header for PHAT subtables that follow main table */
2002 
2003 struct acpi_phat_header {
2004 	u16 type;
2005 	u16 length;
2006 	u8 revision;
2007 };
2008 
2009 /* Values for Type field above */
2010 
2011 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2012 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2013 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2014 
2015 /*
2016  * PHAT subtables, correspond to Type in struct acpi_phat_header
2017  */
2018 
2019 /* 0: Firmware Version Data Record */
2020 
2021 struct acpi_phat_version_data {
2022 	struct acpi_phat_header header;
2023 	u8 reserved[3];
2024 	u32 element_count;
2025 };
2026 
2027 struct acpi_phat_version_element {
2028 	u8 guid[16];
2029 	u64 version_value;
2030 	u32 producer_id;
2031 };
2032 
2033 /* 1: Firmware Health Data Record */
2034 
2035 struct acpi_phat_health_data {
2036 	struct acpi_phat_header header;
2037 	u8 reserved[2];
2038 	u8 health;
2039 	u8 device_guid[16];
2040 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2041 };
2042 
2043 /* Values for Health field above */
2044 
2045 #define ACPI_PHAT_ERRORS_FOUND          0
2046 #define ACPI_PHAT_NO_ERRORS             1
2047 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2048 #define ACPI_PHAT_ADVISORY              3
2049 
2050 /*******************************************************************************
2051  *
2052  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2053  *        Version 1
2054  *
2055  ******************************************************************************/
2056 
2057 struct acpi_table_pmtt {
2058 	struct acpi_table_header header;	/* Common ACPI table header */
2059 	u32 memory_device_count;
2060 	/*
2061 	 * Immediately followed by:
2062 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2063 	 */
2064 };
2065 
2066 /* Common header for PMTT subtables that follow main table */
2067 
2068 struct acpi_pmtt_header {
2069 	u8 type;
2070 	u8 reserved1;
2071 	u16 length;
2072 	u16 flags;
2073 	u16 reserved2;
2074 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2075 	/*
2076 	 * Immediately followed by:
2077 	 * u8 type_specific_data[]
2078 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2079 	 */
2080 };
2081 
2082 /* Values for Type field above */
2083 
2084 #define ACPI_PMTT_TYPE_SOCKET           0
2085 #define ACPI_PMTT_TYPE_CONTROLLER       1
2086 #define ACPI_PMTT_TYPE_DIMM             2
2087 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2088 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2089 
2090 /* Values for Flags field above */
2091 
2092 #define ACPI_PMTT_TOP_LEVEL             0x0001
2093 #define ACPI_PMTT_PHYSICAL              0x0002
2094 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2095 
2096 /*
2097  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2098  */
2099 
2100 /* 0: Socket Structure */
2101 
2102 struct acpi_pmtt_socket {
2103 	struct acpi_pmtt_header header;
2104 	u16 socket_id;
2105 	u16 reserved;
2106 };
2107 	/*
2108 	 * Immediately followed by:
2109 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2110 	 */
2111 
2112 /* 1: Memory Controller subtable */
2113 
2114 struct acpi_pmtt_controller {
2115 	struct acpi_pmtt_header header;
2116 	u16 controller_id;
2117 	u16 reserved;
2118 };
2119 	/*
2120 	 * Immediately followed by:
2121 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2122 	 */
2123 
2124 /* 2: Physical Component Identifier (DIMM) */
2125 
2126 struct acpi_pmtt_physical_component {
2127 	struct acpi_pmtt_header header;
2128 	u32 bios_handle;
2129 };
2130 
2131 /* 0xFF: Vendor Specific Data */
2132 
2133 struct acpi_pmtt_vendor_specific {
2134 	struct acpi_pmtt_header header;
2135 	u8 type_uuid[16];
2136 	u8 specific[];
2137 	/*
2138 	 * Immediately followed by:
2139 	 * u8 vendor_specific_data[];
2140 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2141 	 */
2142 };
2143 
2144 /*******************************************************************************
2145  *
2146  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2147  *        Version 1
2148  *
2149  ******************************************************************************/
2150 
2151 struct acpi_table_pptt {
2152 	struct acpi_table_header header;	/* Common ACPI table header */
2153 };
2154 
2155 /* Values for Type field above */
2156 
2157 enum acpi_pptt_type {
2158 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2159 	ACPI_PPTT_TYPE_CACHE = 1,
2160 	ACPI_PPTT_TYPE_ID = 2,
2161 	ACPI_PPTT_TYPE_RESERVED = 3
2162 };
2163 
2164 /* 0: Processor Hierarchy Node Structure */
2165 
2166 struct acpi_pptt_processor {
2167 	struct acpi_subtable_header header;
2168 	u16 reserved;
2169 	u32 flags;
2170 	u32 parent;
2171 	u32 acpi_processor_id;
2172 	u32 number_of_priv_resources;
2173 };
2174 
2175 /* Flags */
2176 
2177 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2178 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2179 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2180 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2181 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2182 
2183 /* 1: Cache Type Structure */
2184 
2185 struct acpi_pptt_cache {
2186 	struct acpi_subtable_header header;
2187 	u16 reserved;
2188 	u32 flags;
2189 	u32 next_level_of_cache;
2190 	u32 size;
2191 	u32 number_of_sets;
2192 	u8 associativity;
2193 	u8 attributes;
2194 	u16 line_size;
2195 };
2196 
2197 /* 1: Cache Type Structure for PPTT version 3 */
2198 
2199 struct acpi_pptt_cache_v1 {
2200 	u32 cache_id;
2201 };
2202 
2203 /* Flags */
2204 
2205 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2206 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2207 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2208 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2209 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2210 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2211 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2212 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2213 
2214 /* Masks for Attributes */
2215 
2216 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2217 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2218 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2219 
2220 /* Attributes describing cache */
2221 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2222 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2223 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2224 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2225 
2226 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2227 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2228 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2229 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2230 
2231 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2232 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2233 
2234 /* 2: ID Structure */
2235 
2236 struct acpi_pptt_id {
2237 	struct acpi_subtable_header header;
2238 	u16 reserved;
2239 	u32 vendor_id;
2240 	u64 level1_id;
2241 	u64 level2_id;
2242 	u16 major_rev;
2243 	u16 minor_rev;
2244 	u16 spin_rev;
2245 };
2246 
2247 /*******************************************************************************
2248  *
2249  * PRMT - Platform Runtime Mechanism Table
2250  *        Version 1
2251  *
2252  ******************************************************************************/
2253 
2254 struct acpi_table_prmt {
2255 	struct acpi_table_header header;	/* Common ACPI table header */
2256 };
2257 
2258 struct acpi_table_prmt_header {
2259 	u8 platform_guid[16];
2260 	u32 module_info_offset;
2261 	u32 module_info_count;
2262 };
2263 
2264 struct acpi_prmt_module_header {
2265 	u16 revision;
2266 	u16 length;
2267 };
2268 
2269 struct acpi_prmt_module_info {
2270 	u16 revision;
2271 	u16 length;
2272 	u8 module_guid[16];
2273 	u16 major_rev;
2274 	u16 minor_rev;
2275 	u16 handler_info_count;
2276 	u32 handler_info_offset;
2277 	u64 mmio_list_pointer;
2278 };
2279 
2280 struct acpi_prmt_handler_info {
2281 	u16 revision;
2282 	u16 length;
2283 	u8 handler_guid[16];
2284 	u64 handler_address;
2285 	u64 static_data_buffer_address;
2286 	u64 acpi_param_buffer_address;
2287 };
2288 
2289 /*******************************************************************************
2290  *
2291  * RASF - RAS Feature Table (ACPI 5.0)
2292  *        Version 1
2293  *
2294  ******************************************************************************/
2295 
2296 struct acpi_table_rasf {
2297 	struct acpi_table_header header;	/* Common ACPI table header */
2298 	u8 channel_id[12];
2299 };
2300 
2301 /* RASF Platform Communication Channel Shared Memory Region */
2302 
2303 struct acpi_rasf_shared_memory {
2304 	u32 signature;
2305 	u16 command;
2306 	u16 status;
2307 	u16 version;
2308 	u8 capabilities[16];
2309 	u8 set_capabilities[16];
2310 	u16 num_parameter_blocks;
2311 	u32 set_capabilities_status;
2312 };
2313 
2314 /* RASF Parameter Block Structure Header */
2315 
2316 struct acpi_rasf_parameter_block {
2317 	u16 type;
2318 	u16 version;
2319 	u16 length;
2320 };
2321 
2322 /* RASF Parameter Block Structure for PATROL_SCRUB */
2323 
2324 struct acpi_rasf_patrol_scrub_parameter {
2325 	struct acpi_rasf_parameter_block header;
2326 	u16 patrol_scrub_command;
2327 	u64 requested_address_range[2];
2328 	u64 actual_address_range[2];
2329 	u16 flags;
2330 	u8 requested_speed;
2331 };
2332 
2333 /* Masks for Flags and Speed fields above */
2334 
2335 #define ACPI_RASF_SCRUBBER_RUNNING      1
2336 #define ACPI_RASF_SPEED                 (7<<1)
2337 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2338 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2339 #define ACPI_RASF_SPEED_FAST            (7<<1)
2340 
2341 /* Channel Commands */
2342 
2343 enum acpi_rasf_commands {
2344 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2345 };
2346 
2347 /* Platform RAS Capabilities */
2348 
2349 enum acpi_rasf_capabiliities {
2350 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2351 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2352 };
2353 
2354 /* Patrol Scrub Commands */
2355 
2356 enum acpi_rasf_patrol_scrub_commands {
2357 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2358 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2359 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2360 };
2361 
2362 /* Channel Command flags */
2363 
2364 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2365 
2366 /* Status values */
2367 
2368 enum acpi_rasf_status {
2369 	ACPI_RASF_SUCCESS = 0,
2370 	ACPI_RASF_NOT_VALID = 1,
2371 	ACPI_RASF_NOT_SUPPORTED = 2,
2372 	ACPI_RASF_BUSY = 3,
2373 	ACPI_RASF_FAILED = 4,
2374 	ACPI_RASF_ABORTED = 5,
2375 	ACPI_RASF_INVALID_DATA = 6
2376 };
2377 
2378 /* Status flags */
2379 
2380 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2381 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2382 #define ACPI_RASF_ERROR                 (1<<2)
2383 #define ACPI_RASF_STATUS                (0x1F<<3)
2384 
2385 /*******************************************************************************
2386  *
2387  * RGRT - Regulatory Graphics Resource Table
2388  *        Version 1
2389  *
2390  * Conforms to "ACPI RGRT" available at:
2391  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2392  *
2393  ******************************************************************************/
2394 
2395 struct acpi_table_rgrt {
2396 	struct acpi_table_header header;	/* Common ACPI table header */
2397 	u16 version;
2398 	u8 image_type;
2399 	u8 reserved;
2400 	u8 image[];
2401 };
2402 
2403 /* image_type values */
2404 
2405 enum acpi_rgrt_image_type {
2406 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2407 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2408 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2409 };
2410 
2411 /*******************************************************************************
2412  *
2413  * SBST - Smart Battery Specification Table
2414  *        Version 1
2415  *
2416  ******************************************************************************/
2417 
2418 struct acpi_table_sbst {
2419 	struct acpi_table_header header;	/* Common ACPI table header */
2420 	u32 warning_level;
2421 	u32 low_level;
2422 	u32 critical_level;
2423 };
2424 
2425 /*******************************************************************************
2426  *
2427  * SDEI - Software Delegated Exception Interface Descriptor Table
2428  *
2429  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2430  * May 8th, 2017. Copyright 2017 ARM Ltd.
2431  *
2432  ******************************************************************************/
2433 
2434 struct acpi_table_sdei {
2435 	struct acpi_table_header header;	/* Common ACPI table header */
2436 };
2437 
2438 /*******************************************************************************
2439  *
2440  * SDEV - Secure Devices Table (ACPI 6.2)
2441  *        Version 1
2442  *
2443  ******************************************************************************/
2444 
2445 struct acpi_table_sdev {
2446 	struct acpi_table_header header;	/* Common ACPI table header */
2447 };
2448 
2449 struct acpi_sdev_header {
2450 	u8 type;
2451 	u8 flags;
2452 	u16 length;
2453 };
2454 
2455 /* Values for subtable type above */
2456 
2457 enum acpi_sdev_type {
2458 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2459 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2460 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2461 };
2462 
2463 /* Values for flags above */
2464 
2465 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2466 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2467 
2468 /*
2469  * SDEV subtables
2470  */
2471 
2472 /* 0: Namespace Device Based Secure Device Structure */
2473 
2474 struct acpi_sdev_namespace {
2475 	struct acpi_sdev_header header;
2476 	u16 device_id_offset;
2477 	u16 device_id_length;
2478 	u16 vendor_data_offset;
2479 	u16 vendor_data_length;
2480 };
2481 
2482 struct acpi_sdev_secure_component {
2483 	u16 secure_component_offset;
2484 	u16 secure_component_length;
2485 };
2486 
2487 /*
2488  * SDEV sub-subtables ("Components") for above
2489  */
2490 struct acpi_sdev_component {
2491 	struct acpi_sdev_header header;
2492 };
2493 
2494 /* Values for sub-subtable type above */
2495 
2496 enum acpi_sac_type {
2497 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2498 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2499 };
2500 
2501 struct acpi_sdev_id_component {
2502 	struct acpi_sdev_header header;
2503 	u16 hardware_id_offset;
2504 	u16 hardware_id_length;
2505 	u16 subsystem_id_offset;
2506 	u16 subsystem_id_length;
2507 	u16 hardware_revision;
2508 	u8 hardware_rev_present;
2509 	u8 class_code_present;
2510 	u8 pci_base_class;
2511 	u8 pci_sub_class;
2512 	u8 pci_programming_xface;
2513 };
2514 
2515 struct acpi_sdev_mem_component {
2516 	struct acpi_sdev_header header;
2517 	u32 reserved;
2518 	u64 memory_base_address;
2519 	u64 memory_length;
2520 };
2521 
2522 /* 1: PCIe Endpoint Device Based Device Structure */
2523 
2524 struct acpi_sdev_pcie {
2525 	struct acpi_sdev_header header;
2526 	u16 segment;
2527 	u16 start_bus;
2528 	u16 path_offset;
2529 	u16 path_length;
2530 	u16 vendor_data_offset;
2531 	u16 vendor_data_length;
2532 };
2533 
2534 /* 1a: PCIe Endpoint path entry */
2535 
2536 struct acpi_sdev_pcie_path {
2537 	u8 device;
2538 	u8 function;
2539 };
2540 
2541 /*******************************************************************************
2542  *
2543  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2544  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2545  *        Trust Domain Extensions (Intel TDX)".
2546  *        Version 1
2547  *
2548  ******************************************************************************/
2549 
2550 struct acpi_table_svkl {
2551 	struct acpi_table_header header;	/* Common ACPI table header */
2552 	u32 count;
2553 };
2554 
2555 struct acpi_svkl_key {
2556 	u16 type;
2557 	u16 format;
2558 	u32 size;
2559 	u64 address;
2560 };
2561 
2562 enum acpi_svkl_type {
2563 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2564 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2565 };
2566 
2567 enum acpi_svkl_format {
2568 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2569 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2570 };
2571 
2572 /*******************************************************************************
2573  *
2574  * TDEL - TD-Event Log
2575  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2576  *        Trust Domain Extensions (Intel TDX)".
2577  *        September 2020
2578  *
2579  ******************************************************************************/
2580 
2581 struct acpi_table_tdel {
2582 	struct acpi_table_header header;	/* Common ACPI table header */
2583 	u32 reserved;
2584 	u64 log_area_minimum_length;
2585 	u64 log_area_start_address;
2586 };
2587 
2588 /* Reset to default packing */
2589 
2590 #pragma pack()
2591 
2592 #endif				/* __ACTBL2_H__ */
2593