xref: /linux/include/acpi/actbl2.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
5  *
6  * Copyright (C) 2000 - 2023, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACTBL2_H__
11 #define __ACTBL2_H__
12 
13 /*******************************************************************************
14  *
15  * Additional ACPI Tables (2)
16  *
17  * These tables are not consumed directly by the ACPICA subsystem, but are
18  * included here to support device drivers and the AML disassembler.
19  *
20  ******************************************************************************/
21 
22 /*
23  * Values for description table header signatures for tables defined in this
24  * file. Useful because they make it more difficult to inadvertently type in
25  * the wrong signature.
26  */
27 #define ACPI_SIG_AGDI           "AGDI"	/* Arm Generic Diagnostic Dump and Reset Device Interface */
28 #define ACPI_SIG_APMT           "APMT"	/* Arm Performance Monitoring Unit table */
29 #define ACPI_SIG_BDAT           "BDAT"	/* BIOS Data ACPI Table */
30 #define ACPI_SIG_CCEL           "CCEL"	/* CC Event Log Table */
31 #define ACPI_SIG_CDAT           "CDAT"	/* Coherent Device Attribute Table */
32 #define ACPI_SIG_IORT           "IORT"	/* IO Remapping Table */
33 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
34 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
35 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
36 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
37 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
38 #define ACPI_SIG_MPAM           "MPAM"	/* Memory System Resource Partitioning and Monitoring Table */
39 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
40 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
41 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
42 #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
43 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
44 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
45 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
46 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
47 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
48 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
49 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
50 #define ACPI_SIG_RAS2           "RAS2"	/* RAS2 Feature table */
51 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
52 #define ACPI_SIG_RHCT           "RHCT"	/* RISC-V Hart Capabilities Table */
53 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
54 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
55 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
56 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
57 #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
58 
59 /*
60  * All tables must be byte-packed to match the ACPI specification, since
61  * the tables are provided by the system BIOS.
62  */
63 #pragma pack(1)
64 
65 /*
66  * Note: C bitfields are not used for this reason:
67  *
68  * "Bitfields are great and easy to read, but unfortunately the C language
69  * does not specify the layout of bitfields in memory, which means they are
70  * essentially useless for dealing with packed data in on-disk formats or
71  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
72  * this decision was a design error in C. Ritchie could have picked an order
73  * and stuck with it." Norman Ramsey.
74  * See http://stackoverflow.com/a/1053662/41661
75  */
76 
77 /*******************************************************************************
78  *
79  * AEST - Arm Error Source Table
80  *
81  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1(Sep 2020) and
82  * 2.0(May 2023) Platform Design Document.
83  *
84  ******************************************************************************/
85 
86 struct acpi_table_aest {
87 	struct acpi_table_header header;
88 };
89 
90 /* Common Subtable header - one per Node Structure (Subtable) */
91 
92 struct acpi_aest_hdr {
93 	u8 type;
94 	u16 length;
95 	u8 reserved;
96 	u32 node_specific_offset;
97 	u32 node_interface_offset;
98 	u32 node_interrupt_offset;
99 	u32 node_interrupt_count;
100 	u64 timestamp_rate;
101 	u64 reserved1;
102 	u64 error_injection_rate;
103 };
104 
105 /* Values for Type above */
106 
107 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
108 #define ACPI_AEST_MEMORY_ERROR_NODE         1
109 #define ACPI_AEST_SMMU_ERROR_NODE           2
110 #define ACPI_AEST_VENDOR_ERROR_NODE         3
111 #define ACPI_AEST_GIC_ERROR_NODE            4
112 #define ACPI_AEST_PCIE_ERROR_NODE           5
113 #define ACPI_AEST_PROXY_ERROR_NODE          6
114 #define ACPI_AEST_NODE_TYPE_RESERVED        7 /* 7 and above are reserved */
115 
116 /*
117  * AEST subtables (Error nodes)
118  */
119 
120 /* 0: Processor Error */
121 
122 typedef struct acpi_aest_processor {
123 	u32 processor_id;
124 	u8 resource_type;
125 	u8 reserved;
126 	u8 flags;
127 	u8 revision;
128 	u64 processor_affinity;
129 
130 } acpi_aest_processor;
131 
132 /* Values for resource_type above, related structs below */
133 
134 #define ACPI_AEST_CACHE_RESOURCE            0
135 #define ACPI_AEST_TLB_RESOURCE              1
136 #define ACPI_AEST_GENERIC_RESOURCE          2
137 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
138 
139 /* 0R: Processor Cache Resource Substructure */
140 
141 typedef struct acpi_aest_processor_cache {
142 	u32 cache_reference;
143 	u32 reserved;
144 
145 } acpi_aest_processor_cache;
146 
147 /* Values for cache_type above */
148 
149 #define ACPI_AEST_CACHE_DATA                0
150 #define ACPI_AEST_CACHE_INSTRUCTION         1
151 #define ACPI_AEST_CACHE_UNIFIED             2
152 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
153 
154 /* 1R: Processor TLB Resource Substructure */
155 
156 typedef struct acpi_aest_processor_tlb {
157 	u32 tlb_level;
158 	u32 reserved;
159 
160 } acpi_aest_processor_tlb;
161 
162 /* 2R: Processor Generic Resource Substructure */
163 
164 typedef struct acpi_aest_processor_generic {
165 	u32 resource;
166 
167 } acpi_aest_processor_generic;
168 
169 /* 1: Memory Error */
170 
171 typedef struct acpi_aest_memory {
172 	u32 srat_proximity_domain;
173 
174 } acpi_aest_memory;
175 
176 /* 2: Smmu Error */
177 
178 typedef struct acpi_aest_smmu {
179 	u32 iort_node_reference;
180 	u32 subcomponent_reference;
181 
182 } acpi_aest_smmu;
183 
184 /* 3: Vendor Defined */
185 
186 typedef struct acpi_aest_vendor {
187 	u32 acpi_hid;
188 	u32 acpi_uid;
189 	u8 vendor_specific_data[16];
190 
191 } acpi_aest_vendor;
192 
193 struct acpi_aest_vendor_v2 {
194 	char acpi_hid[8];
195 	u32 acpi_uid;
196 	u8 vendor_specific_data[16];
197 };
198 
199 /* 4: Gic Error */
200 
201 typedef struct acpi_aest_gic {
202 	u32 interface_type;
203 	u32 instance_id;
204 
205 } acpi_aest_gic;
206 
207 /* Values for interface_type above */
208 
209 #define ACPI_AEST_GIC_CPU                   0
210 #define ACPI_AEST_GIC_DISTRIBUTOR           1
211 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
212 #define ACPI_AEST_GIC_ITS                   3
213 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
214 
215 /* 5: PCIe Error */
216 
217 struct acpi_aest_pcie {
218 	u32 iort_node_reference;
219 };
220 
221 /* 6: Proxy Error */
222 
223 struct acpi_aest_proxy {
224 	u64 node_address;
225 };
226 
227 /* Node Interface Structure */
228 
229 typedef struct acpi_aest_node_interface {
230 	u8 type;
231 	u8 reserved[3];
232 	u32 flags;
233 	u64 address;
234 	u32 error_record_index;
235 	u32 error_record_count;
236 	u64 error_record_implemented;
237 	u64 error_status_reporting;
238 	u64 addressing_mode;
239 
240 } acpi_aest_node_interface;
241 
242 /* Node Interface Structure V2 */
243 
244 struct acpi_aest_node_interface_header {
245 	u8 type;
246 	u8 group_format;
247 	u8 reserved[2];
248 	u32 flags;
249 	u64 address;
250 	u32 error_record_index;
251 	u32 error_record_count;
252 };
253 
254 #define ACPI_AEST_NODE_GROUP_FORMAT_4K          0
255 #define ACPI_AEST_NODE_GROUP_FORMAT_16K         1
256 #define ACPI_AEST_NODE_GROUP_FORMAT_64K         2
257 
258 struct acpi_aest_node_interface_common {
259 	u32 error_node_device;
260 	u32 processor_affinity;
261 	u64 error_group_register_base;
262 	u64 fault_inject_register_base;
263 	u64 interrupt_config_register_base;
264 };
265 
266 struct acpi_aest_node_interface_4k {
267 	u64 error_record_implemented;
268 	u64 error_status_reporting;
269 	u64 addressing_mode;
270 	struct acpi_aest_node_interface_common common;
271 };
272 
273 struct acpi_aest_node_interface_16k {
274 	u64 error_record_implemented[4];
275 	u64 error_status_reporting[4];
276 	u64 addressing_mode[4];
277 	struct acpi_aest_node_interface_common common;
278 };
279 
280 struct acpi_aest_node_interface_64k {
281 	u64 error_record_implemented[14];
282 	u64 error_status_reporting[14];
283 	u64 addressing_mode[14];
284 	struct acpi_aest_node_interface_common common;
285 };
286 
287 /* Values for Type field above */
288 
289 #define ACPI_AEST_NODE_SYSTEM_REGISTER			0
290 #define ACPI_AEST_NODE_MEMORY_MAPPED			1
291 #define ACPI_AEST_NODE_SINGLE_RECORD_MEMORY_MAPPED	2
292 #define ACPI_AEST_XFACE_RESERVED			3   /* 2 and above are reserved */
293 
294 /* Node Interrupt Structure */
295 
296 typedef struct acpi_aest_node_interrupt {
297 	u8 type;
298 	u8 reserved[2];
299 	u8 flags;
300 	u32 gsiv;
301 	u8 iort_id;
302 	u8 reserved1[3];
303 
304 } acpi_aest_node_interrupt;
305 
306 /* Node Interrupt Structure V2 */
307 
308 struct acpi_aest_node_interrupt_v2 {
309 	u8 type;
310 	u8 reserved[2];
311 	u8 flags;
312 	u32 gsiv;
313 	u8 reserved1[4];
314 };
315 
316 /* Values for Type field above */
317 
318 #define ACPI_AEST_NODE_FAULT_HANDLING       0
319 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
320 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
321 
322 /*******************************************************************************
323  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
324  *
325  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
326  * ARM DEN0093 v1.1
327  *
328  ******************************************************************************/
329 struct acpi_table_agdi {
330 	struct acpi_table_header header;	/* Common ACPI table header */
331 	u8 flags;
332 	u8 reserved[3];
333 	u32 sdei_event;
334 	u32 gsiv;
335 };
336 
337 /* Mask for Flags field above */
338 
339 #define ACPI_AGDI_SIGNALING_MODE (1)
340 
341 /*******************************************************************************
342  *
343  * APMT - ARM Performance Monitoring Unit Table
344  *
345  * Conforms to:
346  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
347  * ARM DEN0117 v1.0 November 25, 2021
348  *
349  ******************************************************************************/
350 
351 struct acpi_table_apmt {
352 	struct acpi_table_header header;	/* Common ACPI table header */
353 };
354 
355 #define ACPI_APMT_NODE_ID_LENGTH                4
356 
357 /*
358  * APMT subtables
359  */
360 struct acpi_apmt_node {
361 	u16 length;
362 	u8 flags;
363 	u8 type;
364 	u32 id;
365 	u64 inst_primary;
366 	u32 inst_secondary;
367 	u64 base_address0;
368 	u64 base_address1;
369 	u32 ovflw_irq;
370 	u32 reserved;
371 	u32 ovflw_irq_flags;
372 	u32 proc_affinity;
373 	u32 impl_id;
374 };
375 
376 /* Masks for Flags field above */
377 
378 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
379 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
380 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
381 
382 /* Values for Flags dual page field above */
383 
384 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
385 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
386 
387 /* Values for Flags processor affinity field above */
388 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
389 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
390 
391 /* Values for Flags 64-bit atomic field above */
392 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
393 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
394 
395 /* Values for Type field above */
396 
397 enum acpi_apmt_node_type {
398 	ACPI_APMT_NODE_TYPE_MC = 0x00,
399 	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
400 	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
401 	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
402 	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
403 	ACPI_APMT_NODE_TYPE_COUNT
404 };
405 
406 /* Masks for ovflw_irq_flags field above */
407 
408 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
409 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
410 
411 /* Values for ovflw_irq_flags mode field above */
412 
413 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
414 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
415 
416 /* Values for ovflw_irq_flags type field above */
417 
418 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
419 
420 /*******************************************************************************
421  *
422  * BDAT - BIOS Data ACPI Table
423  *
424  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
425  * Nov 2020
426  *
427  ******************************************************************************/
428 
429 struct acpi_table_bdat {
430 	struct acpi_table_header header;
431 	struct acpi_generic_address gas;
432 };
433 
434 /*******************************************************************************
435  *
436  * CCEL - CC-Event Log
437  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
438  *        Trust Domain Extensions (Intel TDX)". Feb 2022
439  *
440  ******************************************************************************/
441 
442 struct acpi_table_ccel {
443 	struct acpi_table_header header;	/* Common ACPI table header */
444 	u8 CCtype;
445 	u8 Ccsub_type;
446 	u16 reserved;
447 	u64 log_area_minimum_length;
448 	u64 log_area_start_address;
449 };
450 
451 /*******************************************************************************
452  *
453  * IORT - IO Remapping Table
454  *
455  * Conforms to "IO Remapping Table System Software on ARM Platforms",
456  * Document number: ARM DEN 0049E.f, Apr 2024
457  *
458  ******************************************************************************/
459 
460 struct acpi_table_iort {
461 	struct acpi_table_header header;
462 	u32 node_count;
463 	u32 node_offset;
464 	u32 reserved;
465 };
466 
467 /*
468  * IORT subtables
469  */
470 struct acpi_iort_node {
471 	u8 type;
472 	u16 length;
473 	u8 revision;
474 	u32 identifier;
475 	u32 mapping_count;
476 	u32 mapping_offset;
477 	char node_data[];
478 };
479 
480 /* Values for subtable Type above */
481 
482 enum acpi_iort_node_type {
483 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
484 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
485 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
486 	ACPI_IORT_NODE_SMMU = 0x03,
487 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
488 	ACPI_IORT_NODE_PMCG = 0x05,
489 	ACPI_IORT_NODE_RMR = 0x06,
490 };
491 
492 struct acpi_iort_id_mapping {
493 	u32 input_base;		/* Lowest value in input range */
494 	u32 id_count;		/* Number of IDs */
495 	u32 output_base;	/* Lowest value in output range */
496 	u32 output_reference;	/* A reference to the output node */
497 	u32 flags;
498 };
499 
500 /* Masks for Flags field above for IORT subtable */
501 
502 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
503 
504 struct acpi_iort_memory_access {
505 	u32 cache_coherency;
506 	u8 hints;
507 	u16 reserved;
508 	u8 memory_flags;
509 };
510 
511 /* Values for cache_coherency field above */
512 
513 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
514 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
515 
516 /* Masks for Hints field above */
517 
518 #define ACPI_IORT_HT_TRANSIENT          (1)
519 #define ACPI_IORT_HT_WRITE              (1<<1)
520 #define ACPI_IORT_HT_READ               (1<<2)
521 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
522 
523 /* Masks for memory_flags field above */
524 
525 #define ACPI_IORT_MF_COHERENCY          (1)
526 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
527 #define ACPI_IORT_MF_CANWBS             (1<<2)
528 
529 /*
530  * IORT node specific subtables
531  */
532 struct acpi_iort_its_group {
533 	u32 its_count;
534 	u32 identifiers[];	/* GIC ITS identifier array */
535 };
536 
537 struct acpi_iort_named_component {
538 	u32 node_flags;
539 	u64 memory_properties;	/* Memory access properties */
540 	u8 memory_address_limit;	/* Memory address size limit */
541 	char device_name[];	/* Path of namespace object */
542 };
543 
544 /* Masks for Flags field above */
545 
546 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
547 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
548 
549 struct acpi_iort_root_complex {
550 	u64 memory_properties;	/* Memory access properties */
551 	u32 ats_attribute;
552 	u32 pci_segment_number;
553 	u8 memory_address_limit;	/* Memory address size limit */
554 	u16 pasid_capabilities;	/* PASID Capabilities */
555 	u8 reserved[];		/* Reserved, must be zero */
556 };
557 
558 /* Masks for ats_attribute field above */
559 
560 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
561 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
562 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
563 
564 /* Masks for pasid_capabilities field above */
565 #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)	/* Bits 0-4 */
566 
567 struct acpi_iort_smmu {
568 	u64 base_address;	/* SMMU base address */
569 	u64 span;		/* Length of memory range */
570 	u32 model;
571 	u32 flags;
572 	u32 global_interrupt_offset;
573 	u32 context_interrupt_count;
574 	u32 context_interrupt_offset;
575 	u32 pmu_interrupt_count;
576 	u32 pmu_interrupt_offset;
577 	u64 interrupts[];	/* Interrupt array */
578 };
579 
580 /* Values for Model field above */
581 
582 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
583 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
584 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
585 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
586 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
587 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
588 
589 /* Masks for Flags field above */
590 
591 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
592 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
593 
594 /* Global interrupt format */
595 
596 struct acpi_iort_smmu_gsi {
597 	u32 nsg_irpt;
598 	u32 nsg_irpt_flags;
599 	u32 nsg_cfg_irpt;
600 	u32 nsg_cfg_irpt_flags;
601 };
602 
603 struct acpi_iort_smmu_v3 {
604 	u64 base_address;	/* SMMUv3 base address */
605 	u32 flags;
606 	u32 reserved;
607 	u64 vatos_address;
608 	u32 model;
609 	u32 event_gsiv;
610 	u32 pri_gsiv;
611 	u32 gerr_gsiv;
612 	u32 sync_gsiv;
613 	u32 pxm;
614 	u32 id_mapping_index;
615 };
616 
617 /* Values for Model field above */
618 
619 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
620 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
621 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
622 
623 /* Masks for Flags field above */
624 
625 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
626 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
627 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
628 #define ACPI_IORT_SMMU_V3_DEVICEID_VALID    (1<<4)
629 
630 struct acpi_iort_pmcg {
631 	u64 page0_base_address;
632 	u32 overflow_gsiv;
633 	u32 node_reference;
634 	u64 page1_base_address;
635 };
636 
637 struct acpi_iort_rmr {
638 	u32 flags;
639 	u32 rmr_count;
640 	u32 rmr_offset;
641 };
642 
643 /* Masks for Flags field above */
644 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
645 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
646 
647 /*
648  * Macro to access the Access Attributes in flags field above:
649  *  Access Attributes is encoded in bits 9:2
650  */
651 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
652 
653 /* Values for above Access Attributes */
654 
655 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
656 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
657 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
658 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
659 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
660 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
661 
662 struct acpi_iort_rmr_desc {
663 	u64 base_address;
664 	u64 length;
665 	u32 reserved;
666 };
667 
668 /*******************************************************************************
669  *
670  * IVRS - I/O Virtualization Reporting Structure
671  *        Version 1
672  *
673  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
674  * Revision 1.26, February 2009.
675  *
676  ******************************************************************************/
677 
678 struct acpi_table_ivrs {
679 	struct acpi_table_header header;	/* Common ACPI table header */
680 	u32 info;		/* Common virtualization info */
681 	u64 reserved;
682 };
683 
684 /* Values for Info field above */
685 
686 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
687 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
688 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
689 
690 /* IVRS subtable header */
691 
692 struct acpi_ivrs_header {
693 	u8 type;		/* Subtable type */
694 	u8 flags;
695 	u16 length;		/* Subtable length */
696 	u16 device_id;		/* ID of IOMMU */
697 };
698 
699 /* Values for subtable Type above */
700 
701 enum acpi_ivrs_type {
702 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
703 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
704 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
705 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
706 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
707 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
708 };
709 
710 /* Masks for Flags field above for IVHD subtable */
711 
712 #define ACPI_IVHD_TT_ENABLE         (1)
713 #define ACPI_IVHD_PASS_PW           (1<<1)
714 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
715 #define ACPI_IVHD_ISOC              (1<<3)
716 #define ACPI_IVHD_IOTLB             (1<<4)
717 
718 /* Masks for Flags field above for IVMD subtable */
719 
720 #define ACPI_IVMD_UNITY             (1)
721 #define ACPI_IVMD_READ              (1<<1)
722 #define ACPI_IVMD_WRITE             (1<<2)
723 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
724 
725 /*
726  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
727  */
728 
729 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
730 
731 struct acpi_ivrs_hardware_10 {
732 	struct acpi_ivrs_header header;
733 	u16 capability_offset;	/* Offset for IOMMU control fields */
734 	u64 base_address;	/* IOMMU control registers */
735 	u16 pci_segment_group;
736 	u16 info;		/* MSI number and unit ID */
737 	u32 feature_reporting;
738 };
739 
740 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
741 
742 struct acpi_ivrs_hardware_11 {
743 	struct acpi_ivrs_header header;
744 	u16 capability_offset;	/* Offset for IOMMU control fields */
745 	u64 base_address;	/* IOMMU control registers */
746 	u16 pci_segment_group;
747 	u16 info;		/* MSI number and unit ID */
748 	u32 attributes;
749 	u64 efr_register_image;
750 	u64 reserved;
751 };
752 
753 /* Masks for Info field above */
754 
755 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
756 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
757 
758 /*
759  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
760  * Upper two bits of the Type field are the (encoded) length of the structure.
761  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
762  * are reserved for future use but not defined.
763  */
764 struct acpi_ivrs_de_header {
765 	u8 type;
766 	u16 id;
767 	u8 data_setting;
768 };
769 
770 /* Length of device entry is in the top two bits of Type field above */
771 
772 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
773 
774 /* Values for device entry Type field above */
775 
776 enum acpi_ivrs_device_entry_type {
777 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
778 
779 	ACPI_IVRS_TYPE_PAD4 = 0,
780 	ACPI_IVRS_TYPE_ALL = 1,
781 	ACPI_IVRS_TYPE_SELECT = 2,
782 	ACPI_IVRS_TYPE_START = 3,
783 	ACPI_IVRS_TYPE_END = 4,
784 
785 	/* 8-byte device entries */
786 
787 	ACPI_IVRS_TYPE_PAD8 = 64,
788 	ACPI_IVRS_TYPE_NOT_USED = 65,
789 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
790 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
791 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
792 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
793 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
794 
795 	/* Variable-length device entries */
796 
797 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
798 };
799 
800 /* Values for Data field above */
801 
802 #define ACPI_IVHD_INIT_PASS         (1)
803 #define ACPI_IVHD_EINT_PASS         (1<<1)
804 #define ACPI_IVHD_NMI_PASS          (1<<2)
805 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
806 #define ACPI_IVHD_LINT0_PASS        (1<<6)
807 #define ACPI_IVHD_LINT1_PASS        (1<<7)
808 
809 /* Types 0-4: 4-byte device entry */
810 
811 struct acpi_ivrs_device4 {
812 	struct acpi_ivrs_de_header header;
813 };
814 
815 /* Types 66-67: 8-byte device entry */
816 
817 struct acpi_ivrs_device8a {
818 	struct acpi_ivrs_de_header header;
819 	u8 reserved1;
820 	u16 used_id;
821 	u8 reserved2;
822 };
823 
824 /* Types 70-71: 8-byte device entry */
825 
826 struct acpi_ivrs_device8b {
827 	struct acpi_ivrs_de_header header;
828 	u32 extended_data;
829 };
830 
831 /* Values for extended_data above */
832 
833 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
834 
835 /* Type 72: 8-byte device entry */
836 
837 struct acpi_ivrs_device8c {
838 	struct acpi_ivrs_de_header header;
839 	u8 handle;
840 	u16 used_id;
841 	u8 variety;
842 };
843 
844 /* Values for Variety field above */
845 
846 #define ACPI_IVHD_IOAPIC            1
847 #define ACPI_IVHD_HPET              2
848 
849 /* Type 240: variable-length device entry */
850 
851 struct acpi_ivrs_device_hid {
852 	struct acpi_ivrs_de_header header;
853 	u64 acpi_hid;
854 	u64 acpi_cid;
855 	u8 uid_type;
856 	u8 uid_length;
857 };
858 
859 /* Values for uid_type above */
860 
861 #define ACPI_IVRS_UID_NOT_PRESENT   0
862 #define ACPI_IVRS_UID_IS_INTEGER    1
863 #define ACPI_IVRS_UID_IS_STRING     2
864 
865 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
866 
867 struct acpi_ivrs_memory {
868 	struct acpi_ivrs_header header;
869 	u16 aux_data;
870 	u64 reserved;
871 	u64 start_address;
872 	u64 memory_length;
873 };
874 
875 /*******************************************************************************
876  *
877  * LPIT - Low Power Idle Table
878  *
879  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
880  *
881  ******************************************************************************/
882 
883 struct acpi_table_lpit {
884 	struct acpi_table_header header;	/* Common ACPI table header */
885 };
886 
887 /* LPIT subtable header */
888 
889 struct acpi_lpit_header {
890 	u32 type;		/* Subtable type */
891 	u32 length;		/* Subtable length */
892 	u16 unique_id;
893 	u16 reserved;
894 	u32 flags;
895 };
896 
897 /* Values for subtable Type above */
898 
899 enum acpi_lpit_type {
900 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
901 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
902 };
903 
904 /* Masks for Flags field above  */
905 
906 #define ACPI_LPIT_STATE_DISABLED    (1)
907 #define ACPI_LPIT_NO_COUNTER        (1<<1)
908 
909 /*
910  * LPIT subtables, correspond to Type in struct acpi_lpit_header
911  */
912 
913 /* 0x00: Native C-state instruction based LPI structure */
914 
915 struct acpi_lpit_native {
916 	struct acpi_lpit_header header;
917 	struct acpi_generic_address entry_trigger;
918 	u32 residency;
919 	u32 latency;
920 	struct acpi_generic_address residency_counter;
921 	u64 counter_frequency;
922 };
923 
924 /*******************************************************************************
925  *
926  * MADT - Multiple APIC Description Table
927  *        Version 3
928  *
929  ******************************************************************************/
930 
931 struct acpi_table_madt {
932 	struct acpi_table_header header;	/* Common ACPI table header */
933 	u32 address;		/* Physical address of local APIC */
934 	u32 flags;
935 };
936 
937 /* Masks for Flags field above */
938 
939 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
940 
941 /* Values for PCATCompat flag */
942 
943 #define ACPI_MADT_DUAL_PIC          1
944 #define ACPI_MADT_MULTIPLE_APIC     0
945 
946 /* Values for MADT subtable type in struct acpi_subtable_header */
947 
948 enum acpi_madt_type {
949 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
950 	ACPI_MADT_TYPE_IO_APIC = 1,
951 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
952 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
953 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
954 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
955 	ACPI_MADT_TYPE_IO_SAPIC = 6,
956 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
957 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
958 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
959 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
960 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
961 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
962 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
963 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
964 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
965 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
966 	ACPI_MADT_TYPE_CORE_PIC = 17,
967 	ACPI_MADT_TYPE_LIO_PIC = 18,
968 	ACPI_MADT_TYPE_HT_PIC = 19,
969 	ACPI_MADT_TYPE_EIO_PIC = 20,
970 	ACPI_MADT_TYPE_MSI_PIC = 21,
971 	ACPI_MADT_TYPE_BIO_PIC = 22,
972 	ACPI_MADT_TYPE_LPC_PIC = 23,
973 	ACPI_MADT_TYPE_RINTC = 24,
974 	ACPI_MADT_TYPE_IMSIC = 25,
975 	ACPI_MADT_TYPE_APLIC = 26,
976 	ACPI_MADT_TYPE_PLIC = 27,
977 	ACPI_MADT_TYPE_RESERVED = 28,	/* 28 to 0x7F are reserved */
978 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
979 };
980 
981 /*
982  * MADT Subtables, correspond to Type in struct acpi_subtable_header
983  */
984 
985 /* 0: Processor Local APIC */
986 
987 struct acpi_madt_local_apic {
988 	struct acpi_subtable_header header;
989 	u8 processor_id;	/* ACPI processor id */
990 	u8 id;			/* Processor's local APIC id */
991 	u32 lapic_flags;
992 };
993 
994 /* 1: IO APIC */
995 
996 struct acpi_madt_io_apic {
997 	struct acpi_subtable_header header;
998 	u8 id;			/* I/O APIC ID */
999 	u8 reserved;		/* reserved - must be zero */
1000 	u32 address;		/* APIC physical address */
1001 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
1002 };
1003 
1004 /* 2: Interrupt Override */
1005 
1006 struct acpi_madt_interrupt_override {
1007 	struct acpi_subtable_header header;
1008 	u8 bus;			/* 0 - ISA */
1009 	u8 source_irq;		/* Interrupt source (IRQ) */
1010 	u32 global_irq;		/* Global system interrupt */
1011 	u16 inti_flags;
1012 };
1013 
1014 /* 3: NMI Source */
1015 
1016 struct acpi_madt_nmi_source {
1017 	struct acpi_subtable_header header;
1018 	u16 inti_flags;
1019 	u32 global_irq;		/* Global system interrupt */
1020 };
1021 
1022 /* 4: Local APIC NMI */
1023 
1024 struct acpi_madt_local_apic_nmi {
1025 	struct acpi_subtable_header header;
1026 	u8 processor_id;	/* ACPI processor id */
1027 	u16 inti_flags;
1028 	u8 lint;		/* LINTn to which NMI is connected */
1029 };
1030 
1031 /* 5: Address Override */
1032 
1033 struct acpi_madt_local_apic_override {
1034 	struct acpi_subtable_header header;
1035 	u16 reserved;		/* Reserved, must be zero */
1036 	u64 address;		/* APIC physical address */
1037 };
1038 
1039 /* 6: I/O Sapic */
1040 
1041 struct acpi_madt_io_sapic {
1042 	struct acpi_subtable_header header;
1043 	u8 id;			/* I/O SAPIC ID */
1044 	u8 reserved;		/* Reserved, must be zero */
1045 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
1046 	u64 address;		/* SAPIC physical address */
1047 };
1048 
1049 /* 7: Local Sapic */
1050 
1051 struct acpi_madt_local_sapic {
1052 	struct acpi_subtable_header header;
1053 	u8 processor_id;	/* ACPI processor id */
1054 	u8 id;			/* SAPIC ID */
1055 	u8 eid;			/* SAPIC EID */
1056 	u8 reserved[3];		/* Reserved, must be zero */
1057 	u32 lapic_flags;
1058 	u32 uid;		/* Numeric UID - ACPI 3.0 */
1059 	char uid_string[];	/* String UID  - ACPI 3.0 */
1060 };
1061 
1062 /* 8: Platform Interrupt Source */
1063 
1064 struct acpi_madt_interrupt_source {
1065 	struct acpi_subtable_header header;
1066 	u16 inti_flags;
1067 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
1068 	u8 id;			/* Processor ID */
1069 	u8 eid;			/* Processor EID */
1070 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
1071 	u32 global_irq;		/* Global system interrupt */
1072 	u32 flags;		/* Interrupt Source Flags */
1073 };
1074 
1075 /* Masks for Flags field above */
1076 
1077 #define ACPI_MADT_CPEI_OVERRIDE     (1)
1078 
1079 /* 9: Processor Local X2APIC (ACPI 4.0) */
1080 
1081 struct acpi_madt_local_x2apic {
1082 	struct acpi_subtable_header header;
1083 	u16 reserved;		/* reserved - must be zero */
1084 	u32 local_apic_id;	/* Processor x2APIC ID  */
1085 	u32 lapic_flags;
1086 	u32 uid;		/* ACPI processor UID */
1087 };
1088 
1089 /* 10: Local X2APIC NMI (ACPI 4.0) */
1090 
1091 struct acpi_madt_local_x2apic_nmi {
1092 	struct acpi_subtable_header header;
1093 	u16 inti_flags;
1094 	u32 uid;		/* ACPI processor UID */
1095 	u8 lint;		/* LINTn to which NMI is connected */
1096 	u8 reserved[3];		/* reserved - must be zero */
1097 };
1098 
1099 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */
1100 
1101 struct acpi_madt_generic_interrupt {
1102 	struct acpi_subtable_header header;
1103 	u16 reserved;		/* reserved - must be zero */
1104 	u32 cpu_interface_number;
1105 	u32 uid;
1106 	u32 flags;
1107 	u32 parking_version;
1108 	u32 performance_interrupt;
1109 	u64 parked_address;
1110 	u64 base_address;
1111 	u64 gicv_base_address;
1112 	u64 gich_base_address;
1113 	u32 vgic_interrupt;
1114 	u64 gicr_base_address;
1115 	u64 arm_mpidr;
1116 	u8 efficiency_class;
1117 	u8 reserved2[1];
1118 	u16 spe_interrupt;	/* ACPI 6.3 */
1119 	u16 trbe_interrupt;	/* ACPI 6.5 */
1120 };
1121 
1122 /* Masks for Flags field above */
1123 
1124 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1125 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1126 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1127 #define ACPI_MADT_GICC_ONLINE_CAPABLE   (1<<3)	/* 03: Processor is online capable  */
1128 #define ACPI_MADT_GICC_NON_COHERENT     (1<<4)	/* 04: GIC redistributor is not coherent */
1129 
1130 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1131 
1132 struct acpi_madt_generic_distributor {
1133 	struct acpi_subtable_header header;
1134 	u16 reserved;		/* reserved - must be zero */
1135 	u32 gic_id;
1136 	u64 base_address;
1137 	u32 global_irq_base;
1138 	u8 version;
1139 	u8 reserved2[3];	/* reserved - must be zero */
1140 };
1141 
1142 /* Values for Version field above */
1143 
1144 enum acpi_madt_gic_version {
1145 	ACPI_MADT_GIC_VERSION_NONE = 0,
1146 	ACPI_MADT_GIC_VERSION_V1 = 1,
1147 	ACPI_MADT_GIC_VERSION_V2 = 2,
1148 	ACPI_MADT_GIC_VERSION_V3 = 3,
1149 	ACPI_MADT_GIC_VERSION_V4 = 4,
1150 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1151 };
1152 
1153 /* 13: Generic MSI Frame (ACPI 5.1) */
1154 
1155 struct acpi_madt_generic_msi_frame {
1156 	struct acpi_subtable_header header;
1157 	u16 reserved;		/* reserved - must be zero */
1158 	u32 msi_frame_id;
1159 	u64 base_address;
1160 	u32 flags;
1161 	u16 spi_count;
1162 	u16 spi_base;
1163 };
1164 
1165 /* Masks for Flags field above */
1166 
1167 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1168 
1169 /* 14: Generic Redistributor (ACPI 5.1) */
1170 
1171 struct acpi_madt_generic_redistributor {
1172 	struct acpi_subtable_header header;
1173 	u8 flags;
1174 	u8 reserved;		/* reserved - must be zero */
1175 	u64 base_address;
1176 	u32 length;
1177 };
1178 
1179 #define ACPI_MADT_GICR_NON_COHERENT     (1)
1180 
1181 /* 15: Generic Translator (ACPI 6.0) */
1182 
1183 struct acpi_madt_generic_translator {
1184 	struct acpi_subtable_header header;
1185 	u8 flags;
1186 	u8 reserved;		/* reserved - must be zero */
1187 	u32 translation_id;
1188 	u64 base_address;
1189 	u32 reserved2;
1190 };
1191 
1192 #define ACPI_MADT_ITS_NON_COHERENT      (1)
1193 
1194 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1195 
1196 struct acpi_madt_multiproc_wakeup {
1197 	struct acpi_subtable_header header;
1198 	u16 version;
1199 	u32 reserved;		/* reserved - must be zero */
1200 	u64 mailbox_address;
1201 	u64 reset_vector;
1202 };
1203 
1204 /* Values for Version field above */
1205 
1206 enum acpi_madt_multiproc_wakeup_version {
1207 	ACPI_MADT_MP_WAKEUP_VERSION_NONE = 0,
1208 	ACPI_MADT_MP_WAKEUP_VERSION_V1 = 1,
1209 	ACPI_MADT_MP_WAKEUP_VERSION_RESERVED = 2, /* 2 and greater are reserved */
1210 };
1211 
1212 #define ACPI_MADT_MP_WAKEUP_SIZE_V0	16
1213 #define ACPI_MADT_MP_WAKEUP_SIZE_V1	24
1214 
1215 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1216 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1217 
1218 struct acpi_madt_multiproc_wakeup_mailbox {
1219 	u16 command;
1220 	u16 reserved;		/* reserved - must be zero */
1221 	u32 apic_id;
1222 	u64 wakeup_vector;
1223 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1224 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1225 };
1226 
1227 #define ACPI_MP_WAKE_COMMAND_WAKEUP	1
1228 #define ACPI_MP_WAKE_COMMAND_TEST	2
1229 
1230 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1231 
1232 struct acpi_madt_core_pic {
1233 	struct acpi_subtable_header header;
1234 	u8 version;
1235 	u32 processor_id;
1236 	u32 core_id;
1237 	u32 flags;
1238 };
1239 
1240 /* Values for Version field above */
1241 
1242 enum acpi_madt_core_pic_version {
1243 	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1244 	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1245 	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1246 };
1247 
1248 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1249 
1250 struct acpi_madt_lio_pic {
1251 	struct acpi_subtable_header header;
1252 	u8 version;
1253 	u64 address;
1254 	u16 size;
1255 	u8 cascade[2];
1256 	u32 cascade_map[2];
1257 };
1258 
1259 /* Values for Version field above */
1260 
1261 enum acpi_madt_lio_pic_version {
1262 	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1263 	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1264 	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1265 };
1266 
1267 /* 19: HT Interrupt Controller (ACPI 6.5) */
1268 
1269 struct acpi_madt_ht_pic {
1270 	struct acpi_subtable_header header;
1271 	u8 version;
1272 	u64 address;
1273 	u16 size;
1274 	u8 cascade[8];
1275 };
1276 
1277 /* Values for Version field above */
1278 
1279 enum acpi_madt_ht_pic_version {
1280 	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1281 	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1282 	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1283 };
1284 
1285 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1286 
1287 struct acpi_madt_eio_pic {
1288 	struct acpi_subtable_header header;
1289 	u8 version;
1290 	u8 cascade;
1291 	u8 node;
1292 	u64 node_map;
1293 };
1294 
1295 /* Values for Version field above */
1296 
1297 enum acpi_madt_eio_pic_version {
1298 	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1299 	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1300 	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1301 };
1302 
1303 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1304 
1305 struct acpi_madt_msi_pic {
1306 	struct acpi_subtable_header header;
1307 	u8 version;
1308 	u64 msg_address;
1309 	u32 start;
1310 	u32 count;
1311 };
1312 
1313 /* Values for Version field above */
1314 
1315 enum acpi_madt_msi_pic_version {
1316 	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1317 	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1318 	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1319 };
1320 
1321 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1322 
1323 struct acpi_madt_bio_pic {
1324 	struct acpi_subtable_header header;
1325 	u8 version;
1326 	u64 address;
1327 	u16 size;
1328 	u16 id;
1329 	u16 gsi_base;
1330 };
1331 
1332 /* Values for Version field above */
1333 
1334 enum acpi_madt_bio_pic_version {
1335 	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1336 	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1337 	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1338 };
1339 
1340 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1341 
1342 struct acpi_madt_lpc_pic {
1343 	struct acpi_subtable_header header;
1344 	u8 version;
1345 	u64 address;
1346 	u16 size;
1347 	u8 cascade;
1348 };
1349 
1350 /* Values for Version field above */
1351 
1352 enum acpi_madt_lpc_pic_version {
1353 	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1354 	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1355 	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1356 };
1357 
1358 /* 24: RISC-V INTC */
1359 struct acpi_madt_rintc {
1360 	struct acpi_subtable_header header;
1361 	u8 version;
1362 	u8 reserved;
1363 	u32 flags;
1364 	u64 hart_id;
1365 	u32 uid;		/* ACPI processor UID */
1366 	u32 ext_intc_id;	/* External INTC Id */
1367 	u64 imsic_addr;		/* IMSIC base address */
1368 	u32 imsic_size;		/* IMSIC size */
1369 };
1370 
1371 /* Values for RISC-V INTC Version field above */
1372 
1373 enum acpi_madt_rintc_version {
1374 	ACPI_MADT_RINTC_VERSION_NONE = 0,
1375 	ACPI_MADT_RINTC_VERSION_V1 = 1,
1376 	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1377 };
1378 
1379 /* 25: RISC-V IMSIC */
1380 struct acpi_madt_imsic {
1381 	struct acpi_subtable_header header;
1382 	u8 version;
1383 	u8 reserved;
1384 	u32 flags;
1385 	u16 num_ids;
1386 	u16 num_guest_ids;
1387 	u8 guest_index_bits;
1388 	u8 hart_index_bits;
1389 	u8 group_index_bits;
1390 	u8 group_index_shift;
1391 };
1392 
1393 /* 26: RISC-V APLIC */
1394 struct acpi_madt_aplic {
1395 	struct acpi_subtable_header header;
1396 	u8 version;
1397 	u8 id;
1398 	u32 flags;
1399 	u8 hw_id[8];
1400 	u16 num_idcs;
1401 	u16 num_sources;
1402 	u32 gsi_base;
1403 	u64 base_addr;
1404 	u32 size;
1405 };
1406 
1407 /* 27: RISC-V PLIC */
1408 struct acpi_madt_plic {
1409 	struct acpi_subtable_header header;
1410 	u8 version;
1411 	u8 id;
1412 	u8 hw_id[8];
1413 	u16 num_irqs;
1414 	u16 max_prio;
1415 	u32 flags;
1416 	u32 size;
1417 	u64 base_addr;
1418 	u32 gsi_base;
1419 };
1420 
1421 /* 80: OEM data */
1422 
1423 struct acpi_madt_oem_data {
1424 	ACPI_FLEX_ARRAY(u8, oem_data);
1425 };
1426 
1427 /*
1428  * Common flags fields for MADT subtables
1429  */
1430 
1431 /* MADT Local APIC flags */
1432 
1433 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1434 #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1435 
1436 /* MADT MPS INTI flags (inti_flags) */
1437 
1438 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1439 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1440 
1441 /* Values for MPS INTI flags */
1442 
1443 #define ACPI_MADT_POLARITY_CONFORMS       0
1444 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1445 #define ACPI_MADT_POLARITY_RESERVED       2
1446 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1447 
1448 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1449 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1450 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1451 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1452 
1453 /*******************************************************************************
1454  *
1455  * MCFG - PCI Memory Mapped Configuration table and subtable
1456  *        Version 1
1457  *
1458  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1459  *
1460  ******************************************************************************/
1461 
1462 struct acpi_table_mcfg {
1463 	struct acpi_table_header header;	/* Common ACPI table header */
1464 	u8 reserved[8];
1465 };
1466 
1467 /* Subtable */
1468 
1469 struct acpi_mcfg_allocation {
1470 	u64 address;		/* Base address, processor-relative */
1471 	u16 pci_segment;	/* PCI segment group number */
1472 	u8 start_bus_number;	/* Starting PCI Bus number */
1473 	u8 end_bus_number;	/* Final PCI Bus number */
1474 	u32 reserved;
1475 };
1476 
1477 /*******************************************************************************
1478  *
1479  * MCHI - Management Controller Host Interface Table
1480  *        Version 1
1481  *
1482  * Conforms to "Management Component Transport Protocol (MCTP) Host
1483  * Interface Specification", Revision 1.0.0a, October 13, 2009
1484  *
1485  ******************************************************************************/
1486 
1487 struct acpi_table_mchi {
1488 	struct acpi_table_header header;	/* Common ACPI table header */
1489 	u8 interface_type;
1490 	u8 protocol;
1491 	u64 protocol_data;
1492 	u8 interrupt_type;
1493 	u8 gpe;
1494 	u8 pci_device_flag;
1495 	u32 global_interrupt;
1496 	struct acpi_generic_address control_register;
1497 	u8 pci_segment;
1498 	u8 pci_bus;
1499 	u8 pci_device;
1500 	u8 pci_function;
1501 };
1502 
1503 /*******************************************************************************
1504  *
1505  * MPAM - Memory System Resource Partitioning and Monitoring
1506  *
1507  * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1508  * Document number: ARM DEN 0065, December, 2022.
1509  *
1510  ******************************************************************************/
1511 
1512 /* MPAM RIS locator types. Table 11, Location types */
1513 enum acpi_mpam_locator_type {
1514 	ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1515 	ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1516 	ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1517 	ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1518 	ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1519 	ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1520 	ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1521 };
1522 
1523 /* MPAM Functional dependency descriptor. Table 10 */
1524 struct acpi_mpam_func_deps {
1525 	u32 producer;
1526 	u32 reserved;
1527 };
1528 
1529 /* MPAM Processor cache locator descriptor. Table 13 */
1530 struct acpi_mpam_resource_cache_locator {
1531 	u64 cache_reference;
1532 	u32 reserved;
1533 };
1534 
1535 /* MPAM Memory locator descriptor. Table 14 */
1536 struct acpi_mpam_resource_memory_locator {
1537 	u64 proximity_domain;
1538 	u32 reserved;
1539 };
1540 
1541 /* MPAM SMMU locator descriptor. Table 15 */
1542 struct acpi_mpam_resource_smmu_locator {
1543 	u64 smmu_interface;
1544 	u32 reserved;
1545 };
1546 
1547 /* MPAM Memory-side cache locator descriptor. Table 16 */
1548 struct acpi_mpam_resource_memcache_locator {
1549 	u8 reserved[7];
1550 	u8 level;
1551 	u32 reference;
1552 };
1553 
1554 /* MPAM ACPI device locator descriptor. Table 17 */
1555 struct acpi_mpam_resource_acpi_locator {
1556 	u64 acpi_hw_id;
1557 	u32 acpi_unique_id;
1558 };
1559 
1560 /* MPAM Interconnect locator descriptor. Table 18 */
1561 struct acpi_mpam_resource_interconnect_locator {
1562 	u64 inter_connect_desc_tbl_off;
1563 	u32 reserved;
1564 };
1565 
1566 /* MPAM Locator structure. Table 12 */
1567 struct acpi_mpam_resource_generic_locator {
1568 	u64 descriptor1;
1569 	u32 descriptor2;
1570 };
1571 
1572 union acpi_mpam_resource_locator {
1573 	struct acpi_mpam_resource_cache_locator cache_locator;
1574 	struct acpi_mpam_resource_memory_locator memory_locator;
1575 	struct acpi_mpam_resource_smmu_locator smmu_locator;
1576 	struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1577 	struct acpi_mpam_resource_acpi_locator acpi_locator;
1578 	struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1579 	struct acpi_mpam_resource_generic_locator generic_locator;
1580 };
1581 
1582 /* Memory System Component Resource Node Structure Table 9 */
1583 struct acpi_mpam_resource_node {
1584 	u32 identifier;
1585 	u8 ris_index;
1586 	u16 reserved1;
1587 	u8 locator_type;
1588 	union acpi_mpam_resource_locator locator;
1589 	u32 num_functional_deps;
1590 };
1591 
1592 /* Memory System Component (MSC) Node Structure. Table 4 */
1593 struct acpi_mpam_msc_node {
1594 	u16 length;
1595 	u8 interface_type;
1596 	u8 reserved;
1597 	u32 identifier;
1598 	u64 base_address;
1599 	u32 mmio_size;
1600 	u32 overflow_interrupt;
1601 	u32 overflow_interrupt_flags;
1602 	u32 reserved1;
1603 	u32 overflow_interrupt_affinity;
1604 	u32 error_interrupt;
1605 	u32 error_interrupt_flags;
1606 	u32 reserved2;
1607 	u32 error_interrupt_affinity;
1608 	u32 max_nrdy_usec;
1609 	u64 hardware_id_linked_device;
1610 	u32 instance_id_linked_device;
1611 	u32 num_resource_nodes;
1612 };
1613 
1614 struct acpi_table_mpam {
1615 	struct acpi_table_header header;	/* Common ACPI table header */
1616 };
1617 
1618 /*******************************************************************************
1619  *
1620  * MPST - Memory Power State Table (ACPI 5.0)
1621  *        Version 1
1622  *
1623  ******************************************************************************/
1624 
1625 #define ACPI_MPST_CHANNEL_INFO \
1626 	u8                              channel_id; \
1627 	u8                              reserved1[3]; \
1628 	u16                             power_node_count; \
1629 	u16                             reserved2;
1630 
1631 /* Main table */
1632 
1633 struct acpi_table_mpst {
1634 	struct acpi_table_header header;	/* Common ACPI table header */
1635 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1636 };
1637 
1638 /* Memory Platform Communication Channel Info */
1639 
1640 struct acpi_mpst_channel {
1641 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1642 };
1643 
1644 /* Memory Power Node Structure */
1645 
1646 struct acpi_mpst_power_node {
1647 	u8 flags;
1648 	u8 reserved1;
1649 	u16 node_id;
1650 	u32 length;
1651 	u64 range_address;
1652 	u64 range_length;
1653 	u32 num_power_states;
1654 	u32 num_physical_components;
1655 };
1656 
1657 /* Values for Flags field above */
1658 
1659 #define ACPI_MPST_ENABLED               1
1660 #define ACPI_MPST_POWER_MANAGED         2
1661 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1662 
1663 /* Memory Power State Structure (follows POWER_NODE above) */
1664 
1665 struct acpi_mpst_power_state {
1666 	u8 power_state;
1667 	u8 info_index;
1668 };
1669 
1670 /* Physical Component ID Structure (follows POWER_STATE above) */
1671 
1672 struct acpi_mpst_component {
1673 	u16 component_id;
1674 };
1675 
1676 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1677 
1678 struct acpi_mpst_data_hdr {
1679 	u16 characteristics_count;
1680 	u16 reserved;
1681 };
1682 
1683 struct acpi_mpst_power_data {
1684 	u8 structure_id;
1685 	u8 flags;
1686 	u16 reserved1;
1687 	u32 average_power;
1688 	u32 power_saving;
1689 	u64 exit_latency;
1690 	u64 reserved2;
1691 };
1692 
1693 /* Values for Flags field above */
1694 
1695 #define ACPI_MPST_PRESERVE              1
1696 #define ACPI_MPST_AUTOENTRY             2
1697 #define ACPI_MPST_AUTOEXIT              4
1698 
1699 /* Shared Memory Region (not part of an ACPI table) */
1700 
1701 struct acpi_mpst_shared {
1702 	u32 signature;
1703 	u16 pcc_command;
1704 	u16 pcc_status;
1705 	u32 command_register;
1706 	u32 status_register;
1707 	u32 power_state_id;
1708 	u32 power_node_id;
1709 	u64 energy_consumed;
1710 	u64 average_power;
1711 };
1712 
1713 /*******************************************************************************
1714  *
1715  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1716  *        Version 1
1717  *
1718  ******************************************************************************/
1719 
1720 struct acpi_table_msct {
1721 	struct acpi_table_header header;	/* Common ACPI table header */
1722 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1723 	u32 max_proximity_domains;	/* Max number of proximity domains */
1724 	u32 max_clock_domains;	/* Max number of clock domains */
1725 	u64 max_address;	/* Max physical address in system */
1726 };
1727 
1728 /* subtable - Maximum Proximity Domain Information. Version 1 */
1729 
1730 struct acpi_msct_proximity {
1731 	u8 revision;
1732 	u8 length;
1733 	u32 range_start;	/* Start of domain range */
1734 	u32 range_end;		/* End of domain range */
1735 	u32 processor_capacity;
1736 	u64 memory_capacity;	/* In bytes */
1737 };
1738 
1739 /*******************************************************************************
1740  *
1741  * MSDM - Microsoft Data Management table
1742  *
1743  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1744  * November 29, 2011. Copyright 2011 Microsoft
1745  *
1746  ******************************************************************************/
1747 
1748 /* Basic MSDM table is only the common ACPI header */
1749 
1750 struct acpi_table_msdm {
1751 	struct acpi_table_header header;	/* Common ACPI table header */
1752 };
1753 
1754 /*******************************************************************************
1755  *
1756  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1757  *        Version 1
1758  *
1759  ******************************************************************************/
1760 
1761 struct acpi_table_nfit {
1762 	struct acpi_table_header header;	/* Common ACPI table header */
1763 	u32 reserved;		/* Reserved, must be zero */
1764 };
1765 
1766 /* Subtable header for NFIT */
1767 
1768 struct acpi_nfit_header {
1769 	u16 type;
1770 	u16 length;
1771 };
1772 
1773 /* Values for subtable type in struct acpi_nfit_header */
1774 
1775 enum acpi_nfit_type {
1776 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1777 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1778 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1779 	ACPI_NFIT_TYPE_SMBIOS = 3,
1780 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1781 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1782 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1783 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1784 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1785 };
1786 
1787 /*
1788  * NFIT Subtables
1789  */
1790 
1791 /* 0: System Physical Address Range Structure */
1792 
1793 struct acpi_nfit_system_address {
1794 	struct acpi_nfit_header header;
1795 	u16 range_index;
1796 	u16 flags;
1797 	u32 reserved;		/* Reserved, must be zero */
1798 	u32 proximity_domain;
1799 	u8 range_guid[16];
1800 	u64 address;
1801 	u64 length;
1802 	u64 memory_mapping;
1803 	u64 location_cookie;	/* ACPI 6.4 */
1804 };
1805 
1806 /* Flags */
1807 
1808 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1809 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1810 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1811 
1812 /* Range Type GUIDs appear in the include/acuuid.h file */
1813 
1814 /* 1: Memory Device to System Address Range Map Structure */
1815 
1816 struct acpi_nfit_memory_map {
1817 	struct acpi_nfit_header header;
1818 	u32 device_handle;
1819 	u16 physical_id;
1820 	u16 region_id;
1821 	u16 range_index;
1822 	u16 region_index;
1823 	u64 region_size;
1824 	u64 region_offset;
1825 	u64 address;
1826 	u16 interleave_index;
1827 	u16 interleave_ways;
1828 	u16 flags;
1829 	u16 reserved;		/* Reserved, must be zero */
1830 };
1831 
1832 /* Flags */
1833 
1834 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1835 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1836 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1837 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1838 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1839 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1840 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1841 
1842 /* 2: Interleave Structure */
1843 
1844 struct acpi_nfit_interleave {
1845 	struct acpi_nfit_header header;
1846 	u16 interleave_index;
1847 	u16 reserved;		/* Reserved, must be zero */
1848 	u32 line_count;
1849 	u32 line_size;
1850 	u32 line_offset[];	/* Variable length */
1851 };
1852 
1853 /* 3: SMBIOS Management Information Structure */
1854 
1855 struct acpi_nfit_smbios {
1856 	struct acpi_nfit_header header;
1857 	u32 reserved;		/* Reserved, must be zero */
1858 	u8 data[];		/* Variable length */
1859 };
1860 
1861 /* 4: NVDIMM Control Region Structure */
1862 
1863 struct acpi_nfit_control_region {
1864 	struct acpi_nfit_header header;
1865 	u16 region_index;
1866 	u16 vendor_id;
1867 	u16 device_id;
1868 	u16 revision_id;
1869 	u16 subsystem_vendor_id;
1870 	u16 subsystem_device_id;
1871 	u16 subsystem_revision_id;
1872 	u8 valid_fields;
1873 	u8 manufacturing_location;
1874 	u16 manufacturing_date;
1875 	u8 reserved[2];		/* Reserved, must be zero */
1876 	u32 serial_number;
1877 	u16 code;
1878 	u16 windows;
1879 	u64 window_size;
1880 	u64 command_offset;
1881 	u64 command_size;
1882 	u64 status_offset;
1883 	u64 status_size;
1884 	u16 flags;
1885 	u8 reserved1[6];	/* Reserved, must be zero */
1886 };
1887 
1888 /* Flags */
1889 
1890 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1891 
1892 /* valid_fields bits */
1893 
1894 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1895 
1896 /* 5: NVDIMM Block Data Window Region Structure */
1897 
1898 struct acpi_nfit_data_region {
1899 	struct acpi_nfit_header header;
1900 	u16 region_index;
1901 	u16 windows;
1902 	u64 offset;
1903 	u64 size;
1904 	u64 capacity;
1905 	u64 start_address;
1906 };
1907 
1908 /* 6: Flush Hint Address Structure */
1909 
1910 struct acpi_nfit_flush_address {
1911 	struct acpi_nfit_header header;
1912 	u32 device_handle;
1913 	u16 hint_count;
1914 	u8 reserved[6];		/* Reserved, must be zero */
1915 	u64 hint_address[];	/* Variable length */
1916 };
1917 
1918 /* 7: Platform Capabilities Structure */
1919 
1920 struct acpi_nfit_capabilities {
1921 	struct acpi_nfit_header header;
1922 	u8 highest_capability;
1923 	u8 reserved[3];		/* Reserved, must be zero */
1924 	u32 capabilities;
1925 	u32 reserved2;
1926 };
1927 
1928 /* Capabilities Flags */
1929 
1930 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1931 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1932 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1933 
1934 /*
1935  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1936  */
1937 struct nfit_device_handle {
1938 	u32 handle;
1939 };
1940 
1941 /* Device handle construction and extraction macros */
1942 
1943 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1944 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1945 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1946 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1947 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1948 
1949 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1950 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1951 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1952 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1953 #define ACPI_NFIT_NODE_ID_OFFSET                16
1954 
1955 /* Macro to construct a NFIT/NVDIMM device handle */
1956 
1957 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1958 	((dimm)                                         | \
1959 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1960 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1961 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1962 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1963 
1964 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1965 
1966 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1967 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1968 
1969 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1970 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1971 
1972 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1973 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1974 
1975 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1976 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1977 
1978 #define ACPI_NFIT_GET_NODE_ID(handle) \
1979 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1980 
1981 /*******************************************************************************
1982  *
1983  * NHLT - Non HDAudio Link Table
1984  *        Version 1
1985  *
1986  ******************************************************************************/
1987 
1988 struct acpi_table_nhlt {
1989 	struct acpi_table_header header;	/* Common ACPI table header */
1990 	u8 endpoints_count;
1991 	/*
1992 	 * struct acpi_nhlt_endpoint endpoints[];
1993 	 * struct acpi_nhlt_config oed_config;
1994 	 */
1995 };
1996 
1997 struct acpi_nhlt_endpoint {
1998 	u32 length;
1999 	u8 link_type;
2000 	u8 instance_id;
2001 	u16 vendor_id;
2002 	u16 device_id;
2003 	u16 revision_id;
2004 	u32 subsystem_id;
2005 	u8 device_type;
2006 	u8 direction;
2007 	u8 virtual_bus_id;
2008 	/*
2009 	 * struct acpi_nhlt_config device_config;
2010 	 * struct acpi_nhlt_formats_config formats_config;
2011 	 * struct acpi_nhlt_devices_info devices_info;
2012 	 */
2013 };
2014 
2015 /*
2016  * Values for link_type field above
2017  *
2018  * Only types PDM and SSP are used
2019  */
2020 #define ACPI_NHLT_LINKTYPE_HDA			0
2021 #define ACPI_NHLT_LINKTYPE_DSP			1
2022 #define ACPI_NHLT_LINKTYPE_PDM			2
2023 #define ACPI_NHLT_LINKTYPE_SSP			3
2024 #define ACPI_NHLT_LINKTYPE_SLIMBUS		4
2025 #define ACPI_NHLT_LINKTYPE_SDW			5
2026 #define ACPI_NHLT_LINKTYPE_UAOL			6
2027 
2028 /* Values for device_id field above */
2029 
2030 #define ACPI_NHLT_DEVICEID_DMIC			0xAE20
2031 #define ACPI_NHLT_DEVICEID_BT			0xAE30
2032 #define ACPI_NHLT_DEVICEID_I2S			0xAE34
2033 
2034 /* Values for device_type field above */
2035 
2036 /*
2037  * Device types unique to endpoint of link_type=PDM
2038  *
2039  * Type PDM used for all SKL+ platforms
2040  */
2041 #define ACPI_NHLT_DEVICETYPE_PDM		0
2042 #define ACPI_NHLT_DEVICETYPE_PDM_SKL		1
2043 /* Device types unique to endpoint of link_type=SSP */
2044 #define ACPI_NHLT_DEVICETYPE_BT			0
2045 #define ACPI_NHLT_DEVICETYPE_FM			1
2046 #define ACPI_NHLT_DEVICETYPE_MODEM		2
2047 #define ACPI_NHLT_DEVICETYPE_CODEC		4
2048 
2049 /* Values for Direction field above */
2050 
2051 #define ACPI_NHLT_DIR_RENDER			0
2052 #define ACPI_NHLT_DIR_CAPTURE			1
2053 
2054 struct acpi_nhlt_config {
2055 	u32 capabilities_size;
2056 	u8 capabilities[];
2057 };
2058 
2059 struct acpi_nhlt_gendevice_config {
2060 	u8 virtual_slot;
2061 	u8 config_type;
2062 };
2063 
2064 /* Values for config_type field above */
2065 
2066 #define ACPI_NHLT_CONFIGTYPE_GENERIC		0
2067 #define ACPI_NHLT_CONFIGTYPE_MICARRAY		1
2068 
2069 struct acpi_nhlt_micdevice_config {
2070 	u8 virtual_slot;
2071 	u8 config_type;
2072 	u8 array_type;
2073 };
2074 
2075 /* Values for array_type field above */
2076 
2077 #define ACPI_NHLT_ARRAYTYPE_LINEAR2_SMALL	0xA
2078 #define ACPI_NHLT_ARRAYTYPE_LINEAR2_BIG		0xB
2079 #define ACPI_NHLT_ARRAYTYPE_LINEAR4_GEO1	0xC
2080 #define ACPI_NHLT_ARRAYTYPE_PLANAR4_LSHAPED	0xD
2081 #define ACPI_NHLT_ARRAYTYPE_LINEAR4_GEO2	0xE
2082 #define ACPI_NHLT_ARRAYTYPE_VENDOR		0xF
2083 
2084 struct acpi_nhlt_vendor_mic_config {
2085 	u8 type;
2086 	u8 panel;
2087 	u16 speaker_position_distance;		/* mm */
2088 	u16 horizontal_offset;			/* mm */
2089 	u16 vertical_offset;			/* mm */
2090 	u8 frequency_low_band;			/* 5*Hz */
2091 	u8 frequency_high_band;			/* 500*Hz */
2092 	u16 direction_angle;			/* -180 - +180 */
2093 	u16 elevation_angle;			/* -180 - +180 */
2094 	u16 work_vertical_angle_begin;		/* -180 - +180 with 2 deg step */
2095 	u16 work_vertical_angle_end;		/* -180 - +180 with 2 deg step */
2096 	u16 work_horizontal_angle_begin;	/* -180 - +180 with 2 deg step */
2097 	u16 work_horizontal_angle_end;		/* -180 - +180 with 2 deg step */
2098 };
2099 
2100 /* Values for Type field above */
2101 
2102 #define ACPI_NHLT_MICTYPE_OMNIDIRECTIONAL	0
2103 #define ACPI_NHLT_MICTYPE_SUBCARDIOID		1
2104 #define ACPI_NHLT_MICTYPE_CARDIOID		2
2105 #define ACPI_NHLT_MICTYPE_SUPERCARDIOID		3
2106 #define ACPI_NHLT_MICTYPE_HYPERCARDIOID		4
2107 #define ACPI_NHLT_MICTYPE_8SHAPED		5
2108 #define ACPI_NHLT_MICTYPE_RESERVED		6
2109 #define ACPI_NHLT_MICTYPE_VENDORDEFINED		7
2110 
2111 /* Values for Panel field above */
2112 
2113 #define ACPI_NHLT_MICLOCATION_TOP		0
2114 #define ACPI_NHLT_MICLOCATION_BOTTOM		1
2115 #define ACPI_NHLT_MICLOCATION_LEFT		2
2116 #define ACPI_NHLT_MICLOCATION_RIGHT		3
2117 #define ACPI_NHLT_MICLOCATION_FRONT		4
2118 #define ACPI_NHLT_MICLOCATION_REAR		5
2119 
2120 struct acpi_nhlt_vendor_micdevice_config {
2121 	u8 virtual_slot;
2122 	u8 config_type;
2123 	u8 array_type;
2124 	u8 mics_count;
2125 	struct acpi_nhlt_vendor_mic_config mics[];
2126 };
2127 
2128 union acpi_nhlt_device_config {
2129 	u8 virtual_slot;
2130 	struct acpi_nhlt_gendevice_config gen;
2131 	struct acpi_nhlt_micdevice_config mic;
2132 	struct acpi_nhlt_vendor_micdevice_config vendor_mic;
2133 };
2134 
2135 /* Inherited from Microsoft's WAVEFORMATEXTENSIBLE. */
2136 struct acpi_nhlt_wave_formatext {
2137 	u16 format_tag;
2138 	u16 channel_count;
2139 	u32 samples_per_sec;
2140 	u32 avg_bytes_per_sec;
2141 	u16 block_align;
2142 	u16 bits_per_sample;
2143 	u16 extra_format_size;
2144 	u16 valid_bits_per_sample;
2145 	u32 channel_mask;
2146 	u8 subformat[16];
2147 };
2148 
2149 struct acpi_nhlt_format_config {
2150 	struct acpi_nhlt_wave_formatext format;
2151 	struct acpi_nhlt_config config;
2152 };
2153 
2154 struct acpi_nhlt_formats_config {
2155 	u8 formats_count;
2156 	struct acpi_nhlt_format_config formats[];
2157 };
2158 
2159 struct acpi_nhlt_device_info {
2160 	u8 id[16];
2161 	u8 instance_id;
2162 	u8 port_id;
2163 };
2164 
2165 struct acpi_nhlt_devices_info {
2166 	u8 devices_count;
2167 	struct acpi_nhlt_device_info devices[];
2168 };
2169 
2170 /*******************************************************************************
2171  *
2172  * PCCT - Platform Communications Channel Table (ACPI 5.0)
2173  *        Version 2 (ACPI 6.2)
2174  *
2175  ******************************************************************************/
2176 
2177 struct acpi_table_pcct {
2178 	struct acpi_table_header header;	/* Common ACPI table header */
2179 	u32 flags;
2180 	u64 reserved;
2181 };
2182 
2183 /* Values for Flags field above */
2184 
2185 #define ACPI_PCCT_DOORBELL              1
2186 
2187 /* Values for subtable type in struct acpi_subtable_header */
2188 
2189 enum acpi_pcct_type {
2190 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2191 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2192 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
2193 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
2194 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
2195 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
2196 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
2197 };
2198 
2199 /*
2200  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2201  */
2202 
2203 /* 0: Generic Communications Subspace */
2204 
2205 struct acpi_pcct_subspace {
2206 	struct acpi_subtable_header header;
2207 	u8 reserved[6];
2208 	u64 base_address;
2209 	u64 length;
2210 	struct acpi_generic_address doorbell_register;
2211 	u64 preserve_mask;
2212 	u64 write_mask;
2213 	u32 latency;
2214 	u32 max_access_rate;
2215 	u16 min_turnaround_time;
2216 };
2217 
2218 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2219 
2220 struct acpi_pcct_hw_reduced {
2221 	struct acpi_subtable_header header;
2222 	u32 platform_interrupt;
2223 	u8 flags;
2224 	u8 reserved;
2225 	u64 base_address;
2226 	u64 length;
2227 	struct acpi_generic_address doorbell_register;
2228 	u64 preserve_mask;
2229 	u64 write_mask;
2230 	u32 latency;
2231 	u32 max_access_rate;
2232 	u16 min_turnaround_time;
2233 };
2234 
2235 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2236 
2237 struct acpi_pcct_hw_reduced_type2 {
2238 	struct acpi_subtable_header header;
2239 	u32 platform_interrupt;
2240 	u8 flags;
2241 	u8 reserved;
2242 	u64 base_address;
2243 	u64 length;
2244 	struct acpi_generic_address doorbell_register;
2245 	u64 preserve_mask;
2246 	u64 write_mask;
2247 	u32 latency;
2248 	u32 max_access_rate;
2249 	u16 min_turnaround_time;
2250 	struct acpi_generic_address platform_ack_register;
2251 	u64 ack_preserve_mask;
2252 	u64 ack_write_mask;
2253 };
2254 
2255 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2256 
2257 struct acpi_pcct_ext_pcc_master {
2258 	struct acpi_subtable_header header;
2259 	u32 platform_interrupt;
2260 	u8 flags;
2261 	u8 reserved1;
2262 	u64 base_address;
2263 	u32 length;
2264 	struct acpi_generic_address doorbell_register;
2265 	u64 preserve_mask;
2266 	u64 write_mask;
2267 	u32 latency;
2268 	u32 max_access_rate;
2269 	u32 min_turnaround_time;
2270 	struct acpi_generic_address platform_ack_register;
2271 	u64 ack_preserve_mask;
2272 	u64 ack_set_mask;
2273 	u64 reserved2;
2274 	struct acpi_generic_address cmd_complete_register;
2275 	u64 cmd_complete_mask;
2276 	struct acpi_generic_address cmd_update_register;
2277 	u64 cmd_update_preserve_mask;
2278 	u64 cmd_update_set_mask;
2279 	struct acpi_generic_address error_status_register;
2280 	u64 error_status_mask;
2281 };
2282 
2283 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2284 
2285 struct acpi_pcct_ext_pcc_slave {
2286 	struct acpi_subtable_header header;
2287 	u32 platform_interrupt;
2288 	u8 flags;
2289 	u8 reserved1;
2290 	u64 base_address;
2291 	u32 length;
2292 	struct acpi_generic_address doorbell_register;
2293 	u64 preserve_mask;
2294 	u64 write_mask;
2295 	u32 latency;
2296 	u32 max_access_rate;
2297 	u32 min_turnaround_time;
2298 	struct acpi_generic_address platform_ack_register;
2299 	u64 ack_preserve_mask;
2300 	u64 ack_set_mask;
2301 	u64 reserved2;
2302 	struct acpi_generic_address cmd_complete_register;
2303 	u64 cmd_complete_mask;
2304 	struct acpi_generic_address cmd_update_register;
2305 	u64 cmd_update_preserve_mask;
2306 	u64 cmd_update_set_mask;
2307 	struct acpi_generic_address error_status_register;
2308 	u64 error_status_mask;
2309 };
2310 
2311 /* 5: HW Registers based Communications Subspace */
2312 
2313 struct acpi_pcct_hw_reg {
2314 	struct acpi_subtable_header header;
2315 	u16 version;
2316 	u64 base_address;
2317 	u64 length;
2318 	struct acpi_generic_address doorbell_register;
2319 	u64 doorbell_preserve;
2320 	u64 doorbell_write;
2321 	struct acpi_generic_address cmd_complete_register;
2322 	u64 cmd_complete_mask;
2323 	struct acpi_generic_address error_status_register;
2324 	u64 error_status_mask;
2325 	u32 nominal_latency;
2326 	u32 min_turnaround_time;
2327 };
2328 
2329 /* Values for doorbell flags above */
2330 
2331 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2332 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2333 
2334 /*
2335  * PCC memory structures (not part of the ACPI table)
2336  */
2337 
2338 /* Shared Memory Region */
2339 
2340 struct acpi_pcct_shared_memory {
2341 	u32 signature;
2342 	u16 command;
2343 	u16 status;
2344 };
2345 
2346 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2347 
2348 struct acpi_pcct_ext_pcc_shared_memory {
2349 	u32 signature;
2350 	u32 flags;
2351 	u32 length;
2352 	u32 command;
2353 };
2354 
2355 /*******************************************************************************
2356  *
2357  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2358  *        Version 0
2359  *
2360  ******************************************************************************/
2361 
2362 struct acpi_table_pdtt {
2363 	struct acpi_table_header header;	/* Common ACPI table header */
2364 	u8 trigger_count;
2365 	u8 reserved[3];
2366 	u32 array_offset;
2367 };
2368 
2369 /*
2370  * PDTT Communication Channel Identifier Structure.
2371  * The number of these structures is defined by trigger_count above,
2372  * starting at array_offset.
2373  */
2374 struct acpi_pdtt_channel {
2375 	u8 subchannel_id;
2376 	u8 flags;
2377 };
2378 
2379 /* Flags for above */
2380 
2381 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2382 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2383 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2384 
2385 /*******************************************************************************
2386  *
2387  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2388  *        Version 1
2389  *
2390  ******************************************************************************/
2391 
2392 struct acpi_table_phat {
2393 	struct acpi_table_header header;	/* Common ACPI table header */
2394 };
2395 
2396 /* Common header for PHAT subtables that follow main table */
2397 
2398 struct acpi_phat_header {
2399 	u16 type;
2400 	u16 length;
2401 	u8 revision;
2402 };
2403 
2404 /* Values for Type field above */
2405 
2406 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2407 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2408 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2409 
2410 /*
2411  * PHAT subtables, correspond to Type in struct acpi_phat_header
2412  */
2413 
2414 /* 0: Firmware Version Data Record */
2415 
2416 struct acpi_phat_version_data {
2417 	struct acpi_phat_header header;
2418 	u8 reserved[3];
2419 	u32 element_count;
2420 };
2421 
2422 struct acpi_phat_version_element {
2423 	u8 guid[16];
2424 	u64 version_value;
2425 	u32 producer_id;
2426 };
2427 
2428 /* 1: Firmware Health Data Record */
2429 
2430 struct acpi_phat_health_data {
2431 	struct acpi_phat_header header;
2432 	u8 reserved[2];
2433 	u8 health;
2434 	u8 device_guid[16];
2435 	u32 device_specific_offset;	/* Zero if no Device-specific data */
2436 };
2437 
2438 /* Values for Health field above */
2439 
2440 #define ACPI_PHAT_ERRORS_FOUND          0
2441 #define ACPI_PHAT_NO_ERRORS             1
2442 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2443 #define ACPI_PHAT_ADVISORY              3
2444 
2445 /*******************************************************************************
2446  *
2447  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2448  *        Version 1
2449  *
2450  ******************************************************************************/
2451 
2452 struct acpi_table_pmtt {
2453 	struct acpi_table_header header;	/* Common ACPI table header */
2454 	u32 memory_device_count;
2455 	/*
2456 	 * Immediately followed by:
2457 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2458 	 */
2459 };
2460 
2461 /* Common header for PMTT subtables that follow main table */
2462 
2463 struct acpi_pmtt_header {
2464 	u8 type;
2465 	u8 reserved1;
2466 	u16 length;
2467 	u16 flags;
2468 	u16 reserved2;
2469 	u32 memory_device_count;	/* Zero means no memory device structs follow */
2470 	/*
2471 	 * Immediately followed by:
2472 	 * u8 type_specific_data[]
2473 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2474 	 */
2475 };
2476 
2477 /* Values for Type field above */
2478 
2479 #define ACPI_PMTT_TYPE_SOCKET           0
2480 #define ACPI_PMTT_TYPE_CONTROLLER       1
2481 #define ACPI_PMTT_TYPE_DIMM             2
2482 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2483 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2484 
2485 /* Values for Flags field above */
2486 
2487 #define ACPI_PMTT_TOP_LEVEL             0x0001
2488 #define ACPI_PMTT_PHYSICAL              0x0002
2489 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2490 
2491 /*
2492  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2493  */
2494 
2495 /* 0: Socket Structure */
2496 
2497 struct acpi_pmtt_socket {
2498 	struct acpi_pmtt_header header;
2499 	u16 socket_id;
2500 	u16 reserved;
2501 };
2502 	/*
2503 	 * Immediately followed by:
2504 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2505 	 */
2506 
2507 /* 1: Memory Controller subtable */
2508 
2509 struct acpi_pmtt_controller {
2510 	struct acpi_pmtt_header header;
2511 	u16 controller_id;
2512 	u16 reserved;
2513 };
2514 	/*
2515 	 * Immediately followed by:
2516 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2517 	 */
2518 
2519 /* 2: Physical Component Identifier (DIMM) */
2520 
2521 struct acpi_pmtt_physical_component {
2522 	struct acpi_pmtt_header header;
2523 	u32 bios_handle;
2524 };
2525 
2526 /* 0xFF: Vendor Specific Data */
2527 
2528 struct acpi_pmtt_vendor_specific {
2529 	struct acpi_pmtt_header header;
2530 	u8 type_uuid[16];
2531 	u8 specific[];
2532 	/*
2533 	 * Immediately followed by:
2534 	 * u8 vendor_specific_data[];
2535 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2536 	 */
2537 };
2538 
2539 /*******************************************************************************
2540  *
2541  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2542  *        Version 1
2543  *
2544  ******************************************************************************/
2545 
2546 struct acpi_table_pptt {
2547 	struct acpi_table_header header;	/* Common ACPI table header */
2548 };
2549 
2550 /* Values for Type field above */
2551 
2552 enum acpi_pptt_type {
2553 	ACPI_PPTT_TYPE_PROCESSOR = 0,
2554 	ACPI_PPTT_TYPE_CACHE = 1,
2555 	ACPI_PPTT_TYPE_ID = 2,
2556 	ACPI_PPTT_TYPE_RESERVED = 3
2557 };
2558 
2559 /* 0: Processor Hierarchy Node Structure */
2560 
2561 struct acpi_pptt_processor {
2562 	struct acpi_subtable_header header;
2563 	u16 reserved;
2564 	u32 flags;
2565 	u32 parent;
2566 	u32 acpi_processor_id;
2567 	u32 number_of_priv_resources;
2568 };
2569 
2570 /* Flags */
2571 
2572 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2573 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2574 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2575 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2576 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2577 
2578 /* 1: Cache Type Structure */
2579 
2580 struct acpi_pptt_cache {
2581 	struct acpi_subtable_header header;
2582 	u16 reserved;
2583 	u32 flags;
2584 	u32 next_level_of_cache;
2585 	u32 size;
2586 	u32 number_of_sets;
2587 	u8 associativity;
2588 	u8 attributes;
2589 	u16 line_size;
2590 };
2591 
2592 /* 1: Cache Type Structure for PPTT version 3 */
2593 
2594 struct acpi_pptt_cache_v1 {
2595 	u32 cache_id;
2596 };
2597 
2598 /* Flags */
2599 
2600 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2601 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2602 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2603 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2604 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2605 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2606 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2607 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2608 
2609 /* Masks for Attributes */
2610 
2611 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2612 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2613 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2614 
2615 /* Attributes describing cache */
2616 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2617 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2618 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2619 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2620 
2621 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2622 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2623 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2624 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2625 
2626 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2627 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2628 
2629 /* 2: ID Structure */
2630 
2631 struct acpi_pptt_id {
2632 	struct acpi_subtable_header header;
2633 	u16 reserved;
2634 	u32 vendor_id;
2635 	u64 level1_id;
2636 	u64 level2_id;
2637 	u16 major_rev;
2638 	u16 minor_rev;
2639 	u16 spin_rev;
2640 };
2641 
2642 /*******************************************************************************
2643  *
2644  * PRMT - Platform Runtime Mechanism Table
2645  *        Version 1
2646  *
2647  ******************************************************************************/
2648 
2649 struct acpi_table_prmt {
2650 	struct acpi_table_header header;	/* Common ACPI table header */
2651 };
2652 
2653 struct acpi_table_prmt_header {
2654 	u8 platform_guid[16];
2655 	u32 module_info_offset;
2656 	u32 module_info_count;
2657 };
2658 
2659 struct acpi_prmt_module_header {
2660 	u16 revision;
2661 	u16 length;
2662 };
2663 
2664 struct acpi_prmt_module_info {
2665 	u16 revision;
2666 	u16 length;
2667 	u8 module_guid[16];
2668 	u16 major_rev;
2669 	u16 minor_rev;
2670 	u16 handler_info_count;
2671 	u32 handler_info_offset;
2672 	u64 mmio_list_pointer;
2673 };
2674 
2675 struct acpi_prmt_handler_info {
2676 	u16 revision;
2677 	u16 length;
2678 	u8 handler_guid[16];
2679 	u64 handler_address;
2680 	u64 static_data_buffer_address;
2681 	u64 acpi_param_buffer_address;
2682 };
2683 
2684 /*******************************************************************************
2685  *
2686  * RASF - RAS Feature Table (ACPI 5.0)
2687  *        Version 1
2688  *
2689  ******************************************************************************/
2690 
2691 struct acpi_table_rasf {
2692 	struct acpi_table_header header;	/* Common ACPI table header */
2693 	u8 channel_id[12];
2694 };
2695 
2696 /* RASF Platform Communication Channel Shared Memory Region */
2697 
2698 struct acpi_rasf_shared_memory {
2699 	u32 signature;
2700 	u16 command;
2701 	u16 status;
2702 	u16 version;
2703 	u8 capabilities[16];
2704 	u8 set_capabilities[16];
2705 	u16 num_parameter_blocks;
2706 	u32 set_capabilities_status;
2707 };
2708 
2709 /* RASF Parameter Block Structure Header */
2710 
2711 struct acpi_rasf_parameter_block {
2712 	u16 type;
2713 	u16 version;
2714 	u16 length;
2715 };
2716 
2717 /* RASF Parameter Block Structure for PATROL_SCRUB */
2718 
2719 struct acpi_rasf_patrol_scrub_parameter {
2720 	struct acpi_rasf_parameter_block header;
2721 	u16 patrol_scrub_command;
2722 	u64 requested_address_range[2];
2723 	u64 actual_address_range[2];
2724 	u16 flags;
2725 	u8 requested_speed;
2726 };
2727 
2728 /* Masks for Flags and Speed fields above */
2729 
2730 #define ACPI_RASF_SCRUBBER_RUNNING      1
2731 #define ACPI_RASF_SPEED                 (7<<1)
2732 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2733 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2734 #define ACPI_RASF_SPEED_FAST            (7<<1)
2735 
2736 /* Channel Commands */
2737 
2738 enum acpi_rasf_commands {
2739 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2740 };
2741 
2742 /* Platform RAS Capabilities */
2743 
2744 enum acpi_rasf_capabiliities {
2745 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2746 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2747 };
2748 
2749 /* Patrol Scrub Commands */
2750 
2751 enum acpi_rasf_patrol_scrub_commands {
2752 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2753 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2754 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2755 };
2756 
2757 /* Channel Command flags */
2758 
2759 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2760 
2761 /* Status values */
2762 
2763 enum acpi_rasf_status {
2764 	ACPI_RASF_SUCCESS = 0,
2765 	ACPI_RASF_NOT_VALID = 1,
2766 	ACPI_RASF_NOT_SUPPORTED = 2,
2767 	ACPI_RASF_BUSY = 3,
2768 	ACPI_RASF_FAILED = 4,
2769 	ACPI_RASF_ABORTED = 5,
2770 	ACPI_RASF_INVALID_DATA = 6
2771 };
2772 
2773 /* Status flags */
2774 
2775 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2776 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2777 #define ACPI_RASF_ERROR                 (1<<2)
2778 #define ACPI_RASF_STATUS                (0x1F<<3)
2779 
2780 /*******************************************************************************
2781  *
2782  * RAS2 - RAS2 Feature Table (ACPI 6.5)
2783  *        Version 1
2784  *
2785  *
2786  ******************************************************************************/
2787 
2788 struct acpi_table_ras2 {
2789 	struct acpi_table_header header;	/* Common ACPI table header */
2790 	u16 reserved;
2791 	u16 num_pcc_descs;
2792 };
2793 
2794 /* RAS2 Platform Communication Channel Descriptor */
2795 
2796 struct acpi_ras2_pcc_desc {
2797 	u8 channel_id;
2798 	u16 reserved;
2799 	u8 feature_type;
2800 	u32 instance;
2801 };
2802 
2803 /* RAS2 Platform Communication Channel Shared Memory Region */
2804 
2805 struct acpi_ras2_shared_memory {
2806 	u32 signature;
2807 	u16 command;
2808 	u16 status;
2809 	u16 version;
2810 	u8 features[16];
2811 	u8 set_capabilities[16];
2812 	u16 num_parameter_blocks;
2813 	u32 set_capabilities_status;
2814 };
2815 
2816 /* RAS2 Parameter Block Structure for PATROL_SCRUB */
2817 
2818 struct acpi_ras2_parameter_block {
2819 	u16 type;
2820 	u16 version;
2821 	u16 length;
2822 };
2823 
2824 /* RAS2 Parameter Block Structure for PATROL_SCRUB */
2825 
2826 struct acpi_ras2_patrol_scrub_parameter {
2827 	struct acpi_ras2_parameter_block header;
2828 	u16 patrol_scrub_command;
2829 	u64 requested_address_range[2];
2830 	u64 actual_address_range[2];
2831 	u32 flags;
2832 	u32 scrub_params_out;
2833 	u32 scrub_params_in;
2834 };
2835 
2836 /* Masks for Flags field above */
2837 
2838 #define ACPI_RAS2_SCRUBBER_RUNNING      1
2839 
2840 /* RAS2 Parameter Block Structure for LA2PA_TRANSLATION */
2841 
2842 struct acpi_ras2_la2pa_translation_parameter {
2843 	struct acpi_ras2_parameter_block header;
2844 	u16 addr_translation_command;
2845 	u64 sub_inst_id;
2846 	u64 logical_address;
2847 	u64 physical_address;
2848 	u32 status;
2849 };
2850 
2851 /* Channel Commands */
2852 
2853 enum acpi_ras2_commands {
2854 	ACPI_RAS2_EXECUTE_RAS2_COMMAND = 1
2855 };
2856 
2857 /* Platform RAS2 Features */
2858 
2859 enum acpi_ras2_features {
2860 	ACPI_RAS2_PATROL_SCRUB_SUPPORTED = 0,
2861 	ACPI_RAS2_LA2PA_TRANSLATION = 1
2862 };
2863 
2864 /* RAS2 Patrol Scrub Commands */
2865 
2866 enum acpi_ras2_patrol_scrub_commands {
2867 	ACPI_RAS2_GET_PATROL_PARAMETERS = 1,
2868 	ACPI_RAS2_START_PATROL_SCRUBBER = 2,
2869 	ACPI_RAS2_STOP_PATROL_SCRUBBER = 3
2870 };
2871 
2872 /* RAS2 LA2PA Translation Commands */
2873 
2874 enum acpi_ras2_la2_pa_translation_commands {
2875 	ACPI_RAS2_GET_LA2PA_TRANSLATION = 1,
2876 };
2877 
2878 /* RAS2 LA2PA Translation Status values */
2879 
2880 enum acpi_ras2_la2_pa_translation_status {
2881 	ACPI_RAS2_LA2PA_TRANSLATION_SUCCESS = 0,
2882 	ACPI_RAS2_LA2PA_TRANSLATION_FAIL = 1,
2883 };
2884 
2885 /* Channel Command flags */
2886 
2887 #define ACPI_RAS2_GENERATE_SCI          (1<<15)
2888 
2889 /* Status values */
2890 
2891 enum acpi_ras2_status {
2892 	ACPI_RAS2_SUCCESS = 0,
2893 	ACPI_RAS2_NOT_VALID = 1,
2894 	ACPI_RAS2_NOT_SUPPORTED = 2,
2895 	ACPI_RAS2_BUSY = 3,
2896 	ACPI_RAS2_FAILED = 4,
2897 	ACPI_RAS2_ABORTED = 5,
2898 	ACPI_RAS2_INVALID_DATA = 6
2899 };
2900 
2901 /* Status flags */
2902 
2903 #define ACPI_RAS2_COMMAND_COMPLETE      (1)
2904 #define ACPI_RAS2_SCI_DOORBELL          (1<<1)
2905 #define ACPI_RAS2_ERROR                 (1<<2)
2906 #define ACPI_RAS2_STATUS                (0x1F<<3)
2907 
2908 /*******************************************************************************
2909  *
2910  * RGRT - Regulatory Graphics Resource Table
2911  *        Version 1
2912  *
2913  * Conforms to "ACPI RGRT" available at:
2914  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2915  *
2916  ******************************************************************************/
2917 
2918 struct acpi_table_rgrt {
2919 	struct acpi_table_header header;	/* Common ACPI table header */
2920 	u16 version;
2921 	u8 image_type;
2922 	u8 reserved;
2923 	u8 image[];
2924 };
2925 
2926 /* image_type values */
2927 
2928 enum acpi_rgrt_image_type {
2929 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2930 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2931 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2932 };
2933 
2934 /*******************************************************************************
2935  *
2936  * RHCT - RISC-V Hart Capabilities Table
2937  *        Version 1
2938  *
2939  ******************************************************************************/
2940 
2941 struct acpi_table_rhct {
2942 	struct acpi_table_header header;	/* Common ACPI table header */
2943 	u32 flags;		/* RHCT flags */
2944 	u64 time_base_freq;
2945 	u32 node_count;
2946 	u32 node_offset;
2947 };
2948 
2949 /* RHCT Flags */
2950 
2951 #define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU       (1)
2952 /*
2953  * RHCT subtables
2954  */
2955 struct acpi_rhct_node_header {
2956 	u16 type;
2957 	u16 length;
2958 	u16 revision;
2959 };
2960 
2961 /* Values for RHCT subtable Type above */
2962 
2963 enum acpi_rhct_node_type {
2964 	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
2965 	ACPI_RHCT_NODE_TYPE_CMO = 0x0001,
2966 	ACPI_RHCT_NODE_TYPE_MMU = 0x0002,
2967 	ACPI_RHCT_NODE_TYPE_RESERVED = 0x0003,
2968 	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
2969 };
2970 
2971 /*
2972  * RHCT node specific subtables
2973  */
2974 
2975 /* ISA string node structure */
2976 struct acpi_rhct_isa_string {
2977 	u16 isa_length;
2978 	char isa[];
2979 };
2980 
2981 struct acpi_rhct_cmo_node {
2982 	u8 reserved;		/* Must be zero */
2983 	u8 cbom_size;		/* CBOM size in powerof 2 */
2984 	u8 cbop_size;		/* CBOP size in powerof 2 */
2985 	u8 cboz_size;		/* CBOZ size in powerof 2 */
2986 };
2987 
2988 struct acpi_rhct_mmu_node {
2989 	u8 reserved;		/* Must be zero */
2990 	u8 mmu_type;		/* Virtual Address Scheme */
2991 };
2992 
2993 enum acpi_rhct_mmu_type {
2994 	ACPI_RHCT_MMU_TYPE_SV39 = 0,
2995 	ACPI_RHCT_MMU_TYPE_SV48 = 1,
2996 	ACPI_RHCT_MMU_TYPE_SV57 = 2
2997 };
2998 
2999 /* Hart Info node structure */
3000 struct acpi_rhct_hart_info {
3001 	u16 num_offsets;
3002 	u32 uid;		/* ACPI processor UID */
3003 };
3004 
3005 /*******************************************************************************
3006  *
3007  * SBST - Smart Battery Specification Table
3008  *        Version 1
3009  *
3010  ******************************************************************************/
3011 
3012 struct acpi_table_sbst {
3013 	struct acpi_table_header header;	/* Common ACPI table header */
3014 	u32 warning_level;
3015 	u32 low_level;
3016 	u32 critical_level;
3017 };
3018 
3019 /*******************************************************************************
3020  *
3021  * SDEI - Software Delegated Exception Interface Descriptor Table
3022  *
3023  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
3024  * May 8th, 2017. Copyright 2017 ARM Ltd.
3025  *
3026  ******************************************************************************/
3027 
3028 struct acpi_table_sdei {
3029 	struct acpi_table_header header;	/* Common ACPI table header */
3030 };
3031 
3032 /*******************************************************************************
3033  *
3034  * SDEV - Secure Devices Table (ACPI 6.2)
3035  *        Version 1
3036  *
3037  ******************************************************************************/
3038 
3039 struct acpi_table_sdev {
3040 	struct acpi_table_header header;	/* Common ACPI table header */
3041 };
3042 
3043 struct acpi_sdev_header {
3044 	u8 type;
3045 	u8 flags;
3046 	u16 length;
3047 };
3048 
3049 /* Values for subtable type above */
3050 
3051 enum acpi_sdev_type {
3052 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
3053 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
3054 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
3055 };
3056 
3057 /* Values for flags above */
3058 
3059 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
3060 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
3061 
3062 /*
3063  * SDEV subtables
3064  */
3065 
3066 /* 0: Namespace Device Based Secure Device Structure */
3067 
3068 struct acpi_sdev_namespace {
3069 	struct acpi_sdev_header header;
3070 	u16 device_id_offset;
3071 	u16 device_id_length;
3072 	u16 vendor_data_offset;
3073 	u16 vendor_data_length;
3074 };
3075 
3076 struct acpi_sdev_secure_component {
3077 	u16 secure_component_offset;
3078 	u16 secure_component_length;
3079 };
3080 
3081 /*
3082  * SDEV sub-subtables ("Components") for above
3083  */
3084 struct acpi_sdev_component {
3085 	struct acpi_sdev_header header;
3086 };
3087 
3088 /* Values for sub-subtable type above */
3089 
3090 enum acpi_sac_type {
3091 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
3092 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
3093 };
3094 
3095 struct acpi_sdev_id_component {
3096 	struct acpi_sdev_header header;
3097 	u16 hardware_id_offset;
3098 	u16 hardware_id_length;
3099 	u16 subsystem_id_offset;
3100 	u16 subsystem_id_length;
3101 	u16 hardware_revision;
3102 	u8 hardware_rev_present;
3103 	u8 class_code_present;
3104 	u8 pci_base_class;
3105 	u8 pci_sub_class;
3106 	u8 pci_programming_xface;
3107 };
3108 
3109 struct acpi_sdev_mem_component {
3110 	struct acpi_sdev_header header;
3111 	u32 reserved;
3112 	u64 memory_base_address;
3113 	u64 memory_length;
3114 };
3115 
3116 /* 1: PCIe Endpoint Device Based Device Structure */
3117 
3118 struct acpi_sdev_pcie {
3119 	struct acpi_sdev_header header;
3120 	u16 segment;
3121 	u16 start_bus;
3122 	u16 path_offset;
3123 	u16 path_length;
3124 	u16 vendor_data_offset;
3125 	u16 vendor_data_length;
3126 };
3127 
3128 /* 1a: PCIe Endpoint path entry */
3129 
3130 struct acpi_sdev_pcie_path {
3131 	u8 device;
3132 	u8 function;
3133 };
3134 
3135 /*******************************************************************************
3136  *
3137  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
3138  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3139  *        Trust Domain Extensions (Intel TDX)".
3140  *        Version 1
3141  *
3142  ******************************************************************************/
3143 
3144 struct acpi_table_svkl {
3145 	struct acpi_table_header header;	/* Common ACPI table header */
3146 	u32 count;
3147 };
3148 
3149 struct acpi_svkl_key {
3150 	u16 type;
3151 	u16 format;
3152 	u32 size;
3153 	u64 address;
3154 };
3155 
3156 enum acpi_svkl_type {
3157 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
3158 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
3159 };
3160 
3161 enum acpi_svkl_format {
3162 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
3163 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
3164 };
3165 
3166 /*******************************************************************************
3167  *
3168  * TDEL - TD-Event Log
3169  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3170  *        Trust Domain Extensions (Intel TDX)".
3171  *        September 2020
3172  *
3173  ******************************************************************************/
3174 
3175 struct acpi_table_tdel {
3176 	struct acpi_table_header header;	/* Common ACPI table header */
3177 	u32 reserved;
3178 	u64 log_area_minimum_length;
3179 	u64 log_area_start_address;
3180 };
3181 
3182 /* Reset to default packing */
3183 
3184 #pragma pack()
3185 
3186 #endif				/* __ACTBL2_H__ */
3187