xref: /linux/include/acpi/actbl2.h (revision 0ad53fe3ae82443c74ff8cfd7bd13377cc1134a3)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
5  *
6  * Copyright (C) 2000 - 2021, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACTBL2_H__
11 #define __ACTBL2_H__
12 
13 /*******************************************************************************
14  *
15  * Additional ACPI Tables (2)
16  *
17  * These tables are not consumed directly by the ACPICA subsystem, but are
18  * included here to support device drivers and the AML disassembler.
19  *
20  ******************************************************************************/
21 
22 /*
23  * Values for description table header signatures for tables defined in this
24  * file. Useful because they make it more difficult to inadvertently type in
25  * the wrong signature.
26  */
27 #define ACPI_SIG_BDAT           "BDAT"	/* BIOS Data ACPI Table */
28 #define ACPI_SIG_IORT           "IORT"	/* IO Remapping Table */
29 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
30 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
31 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
32 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
33 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
34 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
35 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics Table */
36 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
37 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
38 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
39 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
40 #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
41 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
42 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
43 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
44 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
45 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
46 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
47 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
48 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
49 #define ACPI_SIG_NHLT           "NHLT"	/* Non-HDAudio Link Table */
50 #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
51 
52 /*
53  * All tables must be byte-packed to match the ACPI specification, since
54  * the tables are provided by the system BIOS.
55  */
56 #pragma pack(1)
57 
58 /*
59  * Note: C bitfields are not used for this reason:
60  *
61  * "Bitfields are great and easy to read, but unfortunately the C language
62  * does not specify the layout of bitfields in memory, which means they are
63  * essentially useless for dealing with packed data in on-disk formats or
64  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
65  * this decision was a design error in C. Ritchie could have picked an order
66  * and stuck with it." Norman Ramsey.
67  * See http://stackoverflow.com/a/1053662/41661
68  */
69 
70 /*******************************************************************************
71  *
72  * AEST - Arm Error Source Table
73  *
74  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
75  * September 2020.
76  *
77  ******************************************************************************/
78 
79 struct acpi_table_aest {
80 	struct acpi_table_header header;
81 	void *node_array[];
82 };
83 
84 /* Common Subtable header - one per Node Structure (Subtable) */
85 
86 struct acpi_aest_hdr {
87 	u8 type;
88 	u16 length;
89 	u8 reserved;
90 	u32 node_specific_offset;
91 	u32 node_interface_offset;
92 	u32 node_interrupt_offset;
93 	u32 node_interrupt_count;
94 	u64 timestamp_rate;
95 	u64 reserved1;
96 	u64 error_injection_rate;
97 };
98 
99 /* Values for Type above */
100 
101 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
102 #define ACPI_AEST_MEMORY_ERROR_NODE         1
103 #define ACPI_AEST_SMMU_ERROR_NODE           2
104 #define ACPI_AEST_VENDOR_ERROR_NODE         3
105 #define ACPI_AEST_GIC_ERROR_NODE            4
106 #define ACPI_AEST_NODE_TYPE_RESERVED        5	/* 5 and above are reserved */
107 
108 /*
109  * AEST subtables (Error nodes)
110  */
111 
112 /* 0: Processor Error */
113 
114 typedef struct acpi_aest_processor {
115 	u32 processor_id;
116 	u8 resource_type;
117 	u8 reserved;
118 	u8 flags;
119 	u8 revision;
120 	u64 processor_affinity;
121 
122 } acpi_aest_processor;
123 
124 /* Values for resource_type above, related structs below */
125 
126 #define ACPI_AEST_CACHE_RESOURCE            0
127 #define ACPI_AEST_TLB_RESOURCE              1
128 #define ACPI_AEST_GENERIC_RESOURCE          2
129 #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
130 
131 /* 0R: Processor Cache Resource Substructure */
132 
133 typedef struct acpi_aest_processor_cache {
134 	u32 cache_reference;
135 	u32 reserved;
136 
137 } acpi_aest_processor_cache;
138 
139 /* Values for cache_type above */
140 
141 #define ACPI_AEST_CACHE_DATA                0
142 #define ACPI_AEST_CACHE_INSTRUCTION         1
143 #define ACPI_AEST_CACHE_UNIFIED             2
144 #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
145 
146 /* 1R: Processor TLB Resource Substructure */
147 
148 typedef struct acpi_aest_processor_tlb {
149 	u32 tlb_level;
150 	u32 reserved;
151 
152 } acpi_aest_processor_tlb;
153 
154 /* 2R: Processor Generic Resource Substructure */
155 
156 typedef struct acpi_aest_processor_generic {
157 	u8 *resource;
158 
159 } acpi_aest_processor_generic;
160 
161 /* 1: Memory Error */
162 
163 typedef struct acpi_aest_memory {
164 	u32 srat_proximity_domain;
165 
166 } acpi_aest_memory;
167 
168 /* 2: Smmu Error */
169 
170 typedef struct acpi_aest_smmu {
171 	u32 iort_node_reference;
172 	u32 subcomponent_reference;
173 
174 } acpi_aest_smmu;
175 
176 /* 3: Vendor Defined */
177 
178 typedef struct acpi_aest_vendor {
179 	u32 acpi_hid;
180 	u32 acpi_uid;
181 	u8 vendor_specific_data[16];
182 
183 } acpi_aest_vendor;
184 
185 /* 4: Gic Error */
186 
187 typedef struct acpi_aest_gic {
188 	u32 interface_type;
189 	u32 instance_id;
190 
191 } acpi_aest_gic;
192 
193 /* Values for interface_type above */
194 
195 #define ACPI_AEST_GIC_CPU                   0
196 #define ACPI_AEST_GIC_DISTRIBUTOR           1
197 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
198 #define ACPI_AEST_GIC_ITS                   3
199 #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
200 
201 /* Node Interface Structure */
202 
203 typedef struct acpi_aest_node_interface {
204 	u8 type;
205 	u8 reserved[3];
206 	u32 flags;
207 	u64 address;
208 	u32 error_record_index;
209 	u32 error_record_count;
210 	u64 error_record_implemented;
211 	u64 error_status_reporting;
212 	u64 addressing_mode;
213 
214 } acpi_aest_node_interface;
215 
216 /* Values for Type field above */
217 
218 #define ACPI_AEST_NODE_SYSTEM_REGISTER      0
219 #define ACPI_AEST_NODE_MEMORY_MAPPED        1
220 #define ACPI_AEST_XFACE_RESERVED            2	/* 2 and above are reserved */
221 
222 /* Node Interrupt Structure */
223 
224 typedef struct acpi_aest_node_interrupt {
225 	u8 type;
226 	u8 reserved[2];
227 	u8 flags;
228 	u32 gsiv;
229 	u8 iort_id;
230 	u8 reserved1[3];
231 
232 } acpi_aest_node_interrupt;
233 
234 /* Values for Type field above */
235 
236 #define ACPI_AEST_NODE_FAULT_HANDLING       0
237 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
238 #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
239 
240 /*******************************************************************************
241  *
242  * BDAT - BIOS Data ACPI Table
243  *
244  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
245  * Nov 2020
246  *
247  ******************************************************************************/
248 
249 struct acpi_table_bdat {
250 	struct acpi_table_header header;
251 	struct acpi_generic_address gas;
252 };
253 
254 /*******************************************************************************
255  *
256  * IORT - IO Remapping Table
257  *
258  * Conforms to "IO Remapping Table System Software on ARM Platforms",
259  * Document number: ARM DEN 0049E.b, Feb 2021
260  *
261  ******************************************************************************/
262 
263 struct acpi_table_iort {
264 	struct acpi_table_header header;
265 	u32 node_count;
266 	u32 node_offset;
267 	u32 reserved;
268 };
269 
270 /*
271  * IORT subtables
272  */
273 struct acpi_iort_node {
274 	u8 type;
275 	u16 length;
276 	u8 revision;
277 	u32 identifier;
278 	u32 mapping_count;
279 	u32 mapping_offset;
280 	char node_data[1];
281 };
282 
283 /* Values for subtable Type above */
284 
285 enum acpi_iort_node_type {
286 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
287 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
288 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
289 	ACPI_IORT_NODE_SMMU = 0x03,
290 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
291 	ACPI_IORT_NODE_PMCG = 0x05,
292 	ACPI_IORT_NODE_RMR = 0x06,
293 };
294 
295 struct acpi_iort_id_mapping {
296 	u32 input_base;		/* Lowest value in input range */
297 	u32 id_count;		/* Number of IDs */
298 	u32 output_base;	/* Lowest value in output range */
299 	u32 output_reference;	/* A reference to the output node */
300 	u32 flags;
301 };
302 
303 /* Masks for Flags field above for IORT subtable */
304 
305 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
306 
307 struct acpi_iort_memory_access {
308 	u32 cache_coherency;
309 	u8 hints;
310 	u16 reserved;
311 	u8 memory_flags;
312 };
313 
314 /* Values for cache_coherency field above */
315 
316 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
317 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
318 
319 /* Masks for Hints field above */
320 
321 #define ACPI_IORT_HT_TRANSIENT          (1)
322 #define ACPI_IORT_HT_WRITE              (1<<1)
323 #define ACPI_IORT_HT_READ               (1<<2)
324 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
325 
326 /* Masks for memory_flags field above */
327 
328 #define ACPI_IORT_MF_COHERENCY          (1)
329 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
330 
331 /*
332  * IORT node specific subtables
333  */
334 struct acpi_iort_its_group {
335 	u32 its_count;
336 	u32 identifiers[1];	/* GIC ITS identifier array */
337 };
338 
339 struct acpi_iort_named_component {
340 	u32 node_flags;
341 	u64 memory_properties;	/* Memory access properties */
342 	u8 memory_address_limit;	/* Memory address size limit */
343 	char device_name[1];	/* Path of namespace object */
344 };
345 
346 /* Masks for Flags field above */
347 
348 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
349 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
350 
351 struct acpi_iort_root_complex {
352 	u64 memory_properties;	/* Memory access properties */
353 	u32 ats_attribute;
354 	u32 pci_segment_number;
355 	u8 memory_address_limit;	/* Memory address size limit */
356 	u8 reserved[3];		/* Reserved, must be zero */
357 };
358 
359 /* Masks for ats_attribute field above */
360 
361 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
362 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
363 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
364 
365 struct acpi_iort_smmu {
366 	u64 base_address;	/* SMMU base address */
367 	u64 span;		/* Length of memory range */
368 	u32 model;
369 	u32 flags;
370 	u32 global_interrupt_offset;
371 	u32 context_interrupt_count;
372 	u32 context_interrupt_offset;
373 	u32 pmu_interrupt_count;
374 	u32 pmu_interrupt_offset;
375 	u64 interrupts[1];	/* Interrupt array */
376 };
377 
378 /* Values for Model field above */
379 
380 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
381 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
382 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
383 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
384 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
385 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
386 
387 /* Masks for Flags field above */
388 
389 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
390 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
391 
392 /* Global interrupt format */
393 
394 struct acpi_iort_smmu_gsi {
395 	u32 nsg_irpt;
396 	u32 nsg_irpt_flags;
397 	u32 nsg_cfg_irpt;
398 	u32 nsg_cfg_irpt_flags;
399 };
400 
401 struct acpi_iort_smmu_v3 {
402 	u64 base_address;	/* SMMUv3 base address */
403 	u32 flags;
404 	u32 reserved;
405 	u64 vatos_address;
406 	u32 model;
407 	u32 event_gsiv;
408 	u32 pri_gsiv;
409 	u32 gerr_gsiv;
410 	u32 sync_gsiv;
411 	u32 pxm;
412 	u32 id_mapping_index;
413 };
414 
415 /* Values for Model field above */
416 
417 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
418 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
419 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
420 
421 /* Masks for Flags field above */
422 
423 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
424 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
425 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
426 
427 struct acpi_iort_pmcg {
428 	u64 page0_base_address;
429 	u32 overflow_gsiv;
430 	u32 node_reference;
431 	u64 page1_base_address;
432 };
433 
434 struct acpi_iort_rmr {
435 	u32 flags;
436 	u32 rmr_count;
437 	u32 rmr_offset;
438 };
439 
440 struct acpi_iort_rmr_desc {
441 	u64 base_address;
442 	u64 length;
443 	u32 reserved;
444 };
445 
446 /*******************************************************************************
447  *
448  * IVRS - I/O Virtualization Reporting Structure
449  *        Version 1
450  *
451  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
452  * Revision 1.26, February 2009.
453  *
454  ******************************************************************************/
455 
456 struct acpi_table_ivrs {
457 	struct acpi_table_header header;	/* Common ACPI table header */
458 	u32 info;		/* Common virtualization info */
459 	u64 reserved;
460 };
461 
462 /* Values for Info field above */
463 
464 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
465 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
466 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
467 
468 /* IVRS subtable header */
469 
470 struct acpi_ivrs_header {
471 	u8 type;		/* Subtable type */
472 	u8 flags;
473 	u16 length;		/* Subtable length */
474 	u16 device_id;		/* ID of IOMMU */
475 };
476 
477 /* Values for subtable Type above */
478 
479 enum acpi_ivrs_type {
480 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
481 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
482 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
483 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
484 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
485 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
486 };
487 
488 /* Masks for Flags field above for IVHD subtable */
489 
490 #define ACPI_IVHD_TT_ENABLE         (1)
491 #define ACPI_IVHD_PASS_PW           (1<<1)
492 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
493 #define ACPI_IVHD_ISOC              (1<<3)
494 #define ACPI_IVHD_IOTLB             (1<<4)
495 
496 /* Masks for Flags field above for IVMD subtable */
497 
498 #define ACPI_IVMD_UNITY             (1)
499 #define ACPI_IVMD_READ              (1<<1)
500 #define ACPI_IVMD_WRITE             (1<<2)
501 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
502 
503 /*
504  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
505  */
506 
507 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
508 
509 struct acpi_ivrs_hardware_10 {
510 	struct acpi_ivrs_header header;
511 	u16 capability_offset;	/* Offset for IOMMU control fields */
512 	u64 base_address;	/* IOMMU control registers */
513 	u16 pci_segment_group;
514 	u16 info;		/* MSI number and unit ID */
515 	u32 feature_reporting;
516 };
517 
518 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
519 
520 struct acpi_ivrs_hardware_11 {
521 	struct acpi_ivrs_header header;
522 	u16 capability_offset;	/* Offset for IOMMU control fields */
523 	u64 base_address;	/* IOMMU control registers */
524 	u16 pci_segment_group;
525 	u16 info;		/* MSI number and unit ID */
526 	u32 attributes;
527 	u64 efr_register_image;
528 	u64 reserved;
529 };
530 
531 /* Masks for Info field above */
532 
533 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
534 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
535 
536 /*
537  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
538  * Upper two bits of the Type field are the (encoded) length of the structure.
539  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
540  * are reserved for future use but not defined.
541  */
542 struct acpi_ivrs_de_header {
543 	u8 type;
544 	u16 id;
545 	u8 data_setting;
546 };
547 
548 /* Length of device entry is in the top two bits of Type field above */
549 
550 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
551 
552 /* Values for device entry Type field above */
553 
554 enum acpi_ivrs_device_entry_type {
555 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
556 
557 	ACPI_IVRS_TYPE_PAD4 = 0,
558 	ACPI_IVRS_TYPE_ALL = 1,
559 	ACPI_IVRS_TYPE_SELECT = 2,
560 	ACPI_IVRS_TYPE_START = 3,
561 	ACPI_IVRS_TYPE_END = 4,
562 
563 	/* 8-byte device entries */
564 
565 	ACPI_IVRS_TYPE_PAD8 = 64,
566 	ACPI_IVRS_TYPE_NOT_USED = 65,
567 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
568 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
569 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
570 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
571 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
572 
573 	/* Variable-length device entries */
574 
575 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
576 };
577 
578 /* Values for Data field above */
579 
580 #define ACPI_IVHD_INIT_PASS         (1)
581 #define ACPI_IVHD_EINT_PASS         (1<<1)
582 #define ACPI_IVHD_NMI_PASS          (1<<2)
583 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
584 #define ACPI_IVHD_LINT0_PASS        (1<<6)
585 #define ACPI_IVHD_LINT1_PASS        (1<<7)
586 
587 /* Types 0-4: 4-byte device entry */
588 
589 struct acpi_ivrs_device4 {
590 	struct acpi_ivrs_de_header header;
591 };
592 
593 /* Types 66-67: 8-byte device entry */
594 
595 struct acpi_ivrs_device8a {
596 	struct acpi_ivrs_de_header header;
597 	u8 reserved1;
598 	u16 used_id;
599 	u8 reserved2;
600 };
601 
602 /* Types 70-71: 8-byte device entry */
603 
604 struct acpi_ivrs_device8b {
605 	struct acpi_ivrs_de_header header;
606 	u32 extended_data;
607 };
608 
609 /* Values for extended_data above */
610 
611 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
612 
613 /* Type 72: 8-byte device entry */
614 
615 struct acpi_ivrs_device8c {
616 	struct acpi_ivrs_de_header header;
617 	u8 handle;
618 	u16 used_id;
619 	u8 variety;
620 };
621 
622 /* Values for Variety field above */
623 
624 #define ACPI_IVHD_IOAPIC            1
625 #define ACPI_IVHD_HPET              2
626 
627 /* Type 240: variable-length device entry */
628 
629 struct acpi_ivrs_device_hid {
630 	struct acpi_ivrs_de_header header;
631 	u64 acpi_hid;
632 	u64 acpi_cid;
633 	u8 uid_type;
634 	u8 uid_length;
635 };
636 
637 /* Values for uid_type above */
638 
639 #define ACPI_IVRS_UID_NOT_PRESENT   0
640 #define ACPI_IVRS_UID_IS_INTEGER    1
641 #define ACPI_IVRS_UID_IS_STRING     2
642 
643 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
644 
645 struct acpi_ivrs_memory {
646 	struct acpi_ivrs_header header;
647 	u16 aux_data;
648 	u64 reserved;
649 	u64 start_address;
650 	u64 memory_length;
651 };
652 
653 /*******************************************************************************
654  *
655  * LPIT - Low Power Idle Table
656  *
657  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
658  *
659  ******************************************************************************/
660 
661 struct acpi_table_lpit {
662 	struct acpi_table_header header;	/* Common ACPI table header */
663 };
664 
665 /* LPIT subtable header */
666 
667 struct acpi_lpit_header {
668 	u32 type;		/* Subtable type */
669 	u32 length;		/* Subtable length */
670 	u16 unique_id;
671 	u16 reserved;
672 	u32 flags;
673 };
674 
675 /* Values for subtable Type above */
676 
677 enum acpi_lpit_type {
678 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
679 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
680 };
681 
682 /* Masks for Flags field above  */
683 
684 #define ACPI_LPIT_STATE_DISABLED    (1)
685 #define ACPI_LPIT_NO_COUNTER        (1<<1)
686 
687 /*
688  * LPIT subtables, correspond to Type in struct acpi_lpit_header
689  */
690 
691 /* 0x00: Native C-state instruction based LPI structure */
692 
693 struct acpi_lpit_native {
694 	struct acpi_lpit_header header;
695 	struct acpi_generic_address entry_trigger;
696 	u32 residency;
697 	u32 latency;
698 	struct acpi_generic_address residency_counter;
699 	u64 counter_frequency;
700 };
701 
702 /*******************************************************************************
703  *
704  * MADT - Multiple APIC Description Table
705  *        Version 3
706  *
707  ******************************************************************************/
708 
709 struct acpi_table_madt {
710 	struct acpi_table_header header;	/* Common ACPI table header */
711 	u32 address;		/* Physical address of local APIC */
712 	u32 flags;
713 };
714 
715 /* Masks for Flags field above */
716 
717 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
718 
719 /* Values for PCATCompat flag */
720 
721 #define ACPI_MADT_DUAL_PIC          1
722 #define ACPI_MADT_MULTIPLE_APIC     0
723 
724 /* Values for MADT subtable type in struct acpi_subtable_header */
725 
726 enum acpi_madt_type {
727 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
728 	ACPI_MADT_TYPE_IO_APIC = 1,
729 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
730 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
731 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
732 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
733 	ACPI_MADT_TYPE_IO_SAPIC = 6,
734 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
735 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
736 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
737 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
738 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
739 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
740 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
741 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
742 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
743 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
744 	ACPI_MADT_TYPE_RESERVED = 17	/* 17 and greater are reserved */
745 };
746 
747 /*
748  * MADT Subtables, correspond to Type in struct acpi_subtable_header
749  */
750 
751 /* 0: Processor Local APIC */
752 
753 struct acpi_madt_local_apic {
754 	struct acpi_subtable_header header;
755 	u8 processor_id;	/* ACPI processor id */
756 	u8 id;			/* Processor's local APIC id */
757 	u32 lapic_flags;
758 };
759 
760 /* 1: IO APIC */
761 
762 struct acpi_madt_io_apic {
763 	struct acpi_subtable_header header;
764 	u8 id;			/* I/O APIC ID */
765 	u8 reserved;		/* reserved - must be zero */
766 	u32 address;		/* APIC physical address */
767 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
768 };
769 
770 /* 2: Interrupt Override */
771 
772 struct acpi_madt_interrupt_override {
773 	struct acpi_subtable_header header;
774 	u8 bus;			/* 0 - ISA */
775 	u8 source_irq;		/* Interrupt source (IRQ) */
776 	u32 global_irq;		/* Global system interrupt */
777 	u16 inti_flags;
778 };
779 
780 /* 3: NMI Source */
781 
782 struct acpi_madt_nmi_source {
783 	struct acpi_subtable_header header;
784 	u16 inti_flags;
785 	u32 global_irq;		/* Global system interrupt */
786 };
787 
788 /* 4: Local APIC NMI */
789 
790 struct acpi_madt_local_apic_nmi {
791 	struct acpi_subtable_header header;
792 	u8 processor_id;	/* ACPI processor id */
793 	u16 inti_flags;
794 	u8 lint;		/* LINTn to which NMI is connected */
795 };
796 
797 /* 5: Address Override */
798 
799 struct acpi_madt_local_apic_override {
800 	struct acpi_subtable_header header;
801 	u16 reserved;		/* Reserved, must be zero */
802 	u64 address;		/* APIC physical address */
803 };
804 
805 /* 6: I/O Sapic */
806 
807 struct acpi_madt_io_sapic {
808 	struct acpi_subtable_header header;
809 	u8 id;			/* I/O SAPIC ID */
810 	u8 reserved;		/* Reserved, must be zero */
811 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
812 	u64 address;		/* SAPIC physical address */
813 };
814 
815 /* 7: Local Sapic */
816 
817 struct acpi_madt_local_sapic {
818 	struct acpi_subtable_header header;
819 	u8 processor_id;	/* ACPI processor id */
820 	u8 id;			/* SAPIC ID */
821 	u8 eid;			/* SAPIC EID */
822 	u8 reserved[3];		/* Reserved, must be zero */
823 	u32 lapic_flags;
824 	u32 uid;		/* Numeric UID - ACPI 3.0 */
825 	char uid_string[1];	/* String UID  - ACPI 3.0 */
826 };
827 
828 /* 8: Platform Interrupt Source */
829 
830 struct acpi_madt_interrupt_source {
831 	struct acpi_subtable_header header;
832 	u16 inti_flags;
833 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
834 	u8 id;			/* Processor ID */
835 	u8 eid;			/* Processor EID */
836 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
837 	u32 global_irq;		/* Global system interrupt */
838 	u32 flags;		/* Interrupt Source Flags */
839 };
840 
841 /* Masks for Flags field above */
842 
843 #define ACPI_MADT_CPEI_OVERRIDE     (1)
844 
845 /* 9: Processor Local X2APIC (ACPI 4.0) */
846 
847 struct acpi_madt_local_x2apic {
848 	struct acpi_subtable_header header;
849 	u16 reserved;		/* reserved - must be zero */
850 	u32 local_apic_id;	/* Processor x2APIC ID  */
851 	u32 lapic_flags;
852 	u32 uid;		/* ACPI processor UID */
853 };
854 
855 /* 10: Local X2APIC NMI (ACPI 4.0) */
856 
857 struct acpi_madt_local_x2apic_nmi {
858 	struct acpi_subtable_header header;
859 	u16 inti_flags;
860 	u32 uid;		/* ACPI processor UID */
861 	u8 lint;		/* LINTn to which NMI is connected */
862 	u8 reserved[3];		/* reserved - must be zero */
863 };
864 
865 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
866 
867 struct acpi_madt_generic_interrupt {
868 	struct acpi_subtable_header header;
869 	u16 reserved;		/* reserved - must be zero */
870 	u32 cpu_interface_number;
871 	u32 uid;
872 	u32 flags;
873 	u32 parking_version;
874 	u32 performance_interrupt;
875 	u64 parked_address;
876 	u64 base_address;
877 	u64 gicv_base_address;
878 	u64 gich_base_address;
879 	u32 vgic_interrupt;
880 	u64 gicr_base_address;
881 	u64 arm_mpidr;
882 	u8 efficiency_class;
883 	u8 reserved2[1];
884 	u16 spe_interrupt;	/* ACPI 6.3 */
885 };
886 
887 /* Masks for Flags field above */
888 
889 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
890 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
891 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
892 
893 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
894 
895 struct acpi_madt_generic_distributor {
896 	struct acpi_subtable_header header;
897 	u16 reserved;		/* reserved - must be zero */
898 	u32 gic_id;
899 	u64 base_address;
900 	u32 global_irq_base;
901 	u8 version;
902 	u8 reserved2[3];	/* reserved - must be zero */
903 };
904 
905 /* Values for Version field above */
906 
907 enum acpi_madt_gic_version {
908 	ACPI_MADT_GIC_VERSION_NONE = 0,
909 	ACPI_MADT_GIC_VERSION_V1 = 1,
910 	ACPI_MADT_GIC_VERSION_V2 = 2,
911 	ACPI_MADT_GIC_VERSION_V3 = 3,
912 	ACPI_MADT_GIC_VERSION_V4 = 4,
913 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
914 };
915 
916 /* 13: Generic MSI Frame (ACPI 5.1) */
917 
918 struct acpi_madt_generic_msi_frame {
919 	struct acpi_subtable_header header;
920 	u16 reserved;		/* reserved - must be zero */
921 	u32 msi_frame_id;
922 	u64 base_address;
923 	u32 flags;
924 	u16 spi_count;
925 	u16 spi_base;
926 };
927 
928 /* Masks for Flags field above */
929 
930 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
931 
932 /* 14: Generic Redistributor (ACPI 5.1) */
933 
934 struct acpi_madt_generic_redistributor {
935 	struct acpi_subtable_header header;
936 	u16 reserved;		/* reserved - must be zero */
937 	u64 base_address;
938 	u32 length;
939 };
940 
941 /* 15: Generic Translator (ACPI 6.0) */
942 
943 struct acpi_madt_generic_translator {
944 	struct acpi_subtable_header header;
945 	u16 reserved;		/* reserved - must be zero */
946 	u32 translation_id;
947 	u64 base_address;
948 	u32 reserved2;
949 };
950 
951 /* 16: Multiprocessor wakeup (ACPI 6.4) */
952 
953 struct acpi_madt_multiproc_wakeup {
954 	struct acpi_subtable_header header;
955 	u16 mailbox_version;
956 	u32 reserved;		/* reserved - must be zero */
957 	u64 base_address;
958 };
959 
960 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE	2032
961 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE	2048
962 
963 struct acpi_madt_multiproc_wakeup_mailbox {
964 	u16 command;
965 	u16 reserved;		/* reserved - must be zero */
966 	u32 apic_id;
967 	u64 wakeup_vector;
968 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
969 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
970 };
971 
972 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
973 
974 /*
975  * Common flags fields for MADT subtables
976  */
977 
978 /* MADT Local APIC flags */
979 
980 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
981 
982 /* MADT MPS INTI flags (inti_flags) */
983 
984 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
985 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
986 
987 /* Values for MPS INTI flags */
988 
989 #define ACPI_MADT_POLARITY_CONFORMS       0
990 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
991 #define ACPI_MADT_POLARITY_RESERVED       2
992 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
993 
994 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
995 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
996 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
997 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
998 
999 /*******************************************************************************
1000  *
1001  * MCFG - PCI Memory Mapped Configuration table and subtable
1002  *        Version 1
1003  *
1004  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1005  *
1006  ******************************************************************************/
1007 
1008 struct acpi_table_mcfg {
1009 	struct acpi_table_header header;	/* Common ACPI table header */
1010 	u8 reserved[8];
1011 };
1012 
1013 /* Subtable */
1014 
1015 struct acpi_mcfg_allocation {
1016 	u64 address;		/* Base address, processor-relative */
1017 	u16 pci_segment;	/* PCI segment group number */
1018 	u8 start_bus_number;	/* Starting PCI Bus number */
1019 	u8 end_bus_number;	/* Final PCI Bus number */
1020 	u32 reserved;
1021 };
1022 
1023 /*******************************************************************************
1024  *
1025  * MCHI - Management Controller Host Interface Table
1026  *        Version 1
1027  *
1028  * Conforms to "Management Component Transport Protocol (MCTP) Host
1029  * Interface Specification", Revision 1.0.0a, October 13, 2009
1030  *
1031  ******************************************************************************/
1032 
1033 struct acpi_table_mchi {
1034 	struct acpi_table_header header;	/* Common ACPI table header */
1035 	u8 interface_type;
1036 	u8 protocol;
1037 	u64 protocol_data;
1038 	u8 interrupt_type;
1039 	u8 gpe;
1040 	u8 pci_device_flag;
1041 	u32 global_interrupt;
1042 	struct acpi_generic_address control_register;
1043 	u8 pci_segment;
1044 	u8 pci_bus;
1045 	u8 pci_device;
1046 	u8 pci_function;
1047 };
1048 
1049 /*******************************************************************************
1050  *
1051  * MPST - Memory Power State Table (ACPI 5.0)
1052  *        Version 1
1053  *
1054  ******************************************************************************/
1055 
1056 #define ACPI_MPST_CHANNEL_INFO \
1057 	u8                              channel_id; \
1058 	u8                              reserved1[3]; \
1059 	u16                             power_node_count; \
1060 	u16                             reserved2;
1061 
1062 /* Main table */
1063 
1064 struct acpi_table_mpst {
1065 	struct acpi_table_header header;	/* Common ACPI table header */
1066 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1067 };
1068 
1069 /* Memory Platform Communication Channel Info */
1070 
1071 struct acpi_mpst_channel {
1072 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1073 };
1074 
1075 /* Memory Power Node Structure */
1076 
1077 struct acpi_mpst_power_node {
1078 	u8 flags;
1079 	u8 reserved1;
1080 	u16 node_id;
1081 	u32 length;
1082 	u64 range_address;
1083 	u64 range_length;
1084 	u32 num_power_states;
1085 	u32 num_physical_components;
1086 };
1087 
1088 /* Values for Flags field above */
1089 
1090 #define ACPI_MPST_ENABLED               1
1091 #define ACPI_MPST_POWER_MANAGED         2
1092 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1093 
1094 /* Memory Power State Structure (follows POWER_NODE above) */
1095 
1096 struct acpi_mpst_power_state {
1097 	u8 power_state;
1098 	u8 info_index;
1099 };
1100 
1101 /* Physical Component ID Structure (follows POWER_STATE above) */
1102 
1103 struct acpi_mpst_component {
1104 	u16 component_id;
1105 };
1106 
1107 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1108 
1109 struct acpi_mpst_data_hdr {
1110 	u16 characteristics_count;
1111 	u16 reserved;
1112 };
1113 
1114 struct acpi_mpst_power_data {
1115 	u8 structure_id;
1116 	u8 flags;
1117 	u16 reserved1;
1118 	u32 average_power;
1119 	u32 power_saving;
1120 	u64 exit_latency;
1121 	u64 reserved2;
1122 };
1123 
1124 /* Values for Flags field above */
1125 
1126 #define ACPI_MPST_PRESERVE              1
1127 #define ACPI_MPST_AUTOENTRY             2
1128 #define ACPI_MPST_AUTOEXIT              4
1129 
1130 /* Shared Memory Region (not part of an ACPI table) */
1131 
1132 struct acpi_mpst_shared {
1133 	u32 signature;
1134 	u16 pcc_command;
1135 	u16 pcc_status;
1136 	u32 command_register;
1137 	u32 status_register;
1138 	u32 power_state_id;
1139 	u32 power_node_id;
1140 	u64 energy_consumed;
1141 	u64 average_power;
1142 };
1143 
1144 /*******************************************************************************
1145  *
1146  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1147  *        Version 1
1148  *
1149  ******************************************************************************/
1150 
1151 struct acpi_table_msct {
1152 	struct acpi_table_header header;	/* Common ACPI table header */
1153 	u32 proximity_offset;	/* Location of proximity info struct(s) */
1154 	u32 max_proximity_domains;	/* Max number of proximity domains */
1155 	u32 max_clock_domains;	/* Max number of clock domains */
1156 	u64 max_address;	/* Max physical address in system */
1157 };
1158 
1159 /* subtable - Maximum Proximity Domain Information. Version 1 */
1160 
1161 struct acpi_msct_proximity {
1162 	u8 revision;
1163 	u8 length;
1164 	u32 range_start;	/* Start of domain range */
1165 	u32 range_end;		/* End of domain range */
1166 	u32 processor_capacity;
1167 	u64 memory_capacity;	/* In bytes */
1168 };
1169 
1170 /*******************************************************************************
1171  *
1172  * MSDM - Microsoft Data Management table
1173  *
1174  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1175  * November 29, 2011. Copyright 2011 Microsoft
1176  *
1177  ******************************************************************************/
1178 
1179 /* Basic MSDM table is only the common ACPI header */
1180 
1181 struct acpi_table_msdm {
1182 	struct acpi_table_header header;	/* Common ACPI table header */
1183 };
1184 
1185 /*******************************************************************************
1186  *
1187  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1188  *        Version 1
1189  *
1190  ******************************************************************************/
1191 
1192 struct acpi_table_nfit {
1193 	struct acpi_table_header header;	/* Common ACPI table header */
1194 	u32 reserved;		/* Reserved, must be zero */
1195 };
1196 
1197 /* Subtable header for NFIT */
1198 
1199 struct acpi_nfit_header {
1200 	u16 type;
1201 	u16 length;
1202 };
1203 
1204 /* Values for subtable type in struct acpi_nfit_header */
1205 
1206 enum acpi_nfit_type {
1207 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1208 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1209 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1210 	ACPI_NFIT_TYPE_SMBIOS = 3,
1211 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1212 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1213 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1214 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1215 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1216 };
1217 
1218 /*
1219  * NFIT Subtables
1220  */
1221 
1222 /* 0: System Physical Address Range Structure */
1223 
1224 struct acpi_nfit_system_address {
1225 	struct acpi_nfit_header header;
1226 	u16 range_index;
1227 	u16 flags;
1228 	u32 reserved;		/* Reserved, must be zero */
1229 	u32 proximity_domain;
1230 	u8 range_guid[16];
1231 	u64 address;
1232 	u64 length;
1233 	u64 memory_mapping;
1234 	u64 location_cookie;	/* ACPI 6.4 */
1235 };
1236 
1237 /* Flags */
1238 
1239 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1240 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1241 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1242 
1243 /* Range Type GUIDs appear in the include/acuuid.h file */
1244 
1245 /* 1: Memory Device to System Address Range Map Structure */
1246 
1247 struct acpi_nfit_memory_map {
1248 	struct acpi_nfit_header header;
1249 	u32 device_handle;
1250 	u16 physical_id;
1251 	u16 region_id;
1252 	u16 range_index;
1253 	u16 region_index;
1254 	u64 region_size;
1255 	u64 region_offset;
1256 	u64 address;
1257 	u16 interleave_index;
1258 	u16 interleave_ways;
1259 	u16 flags;
1260 	u16 reserved;		/* Reserved, must be zero */
1261 };
1262 
1263 /* Flags */
1264 
1265 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1266 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1267 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1268 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1269 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1270 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1271 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1272 
1273 /* 2: Interleave Structure */
1274 
1275 struct acpi_nfit_interleave {
1276 	struct acpi_nfit_header header;
1277 	u16 interleave_index;
1278 	u16 reserved;		/* Reserved, must be zero */
1279 	u32 line_count;
1280 	u32 line_size;
1281 	u32 line_offset[1];	/* Variable length */
1282 };
1283 
1284 /* 3: SMBIOS Management Information Structure */
1285 
1286 struct acpi_nfit_smbios {
1287 	struct acpi_nfit_header header;
1288 	u32 reserved;		/* Reserved, must be zero */
1289 	u8 data[1];		/* Variable length */
1290 };
1291 
1292 /* 4: NVDIMM Control Region Structure */
1293 
1294 struct acpi_nfit_control_region {
1295 	struct acpi_nfit_header header;
1296 	u16 region_index;
1297 	u16 vendor_id;
1298 	u16 device_id;
1299 	u16 revision_id;
1300 	u16 subsystem_vendor_id;
1301 	u16 subsystem_device_id;
1302 	u16 subsystem_revision_id;
1303 	u8 valid_fields;
1304 	u8 manufacturing_location;
1305 	u16 manufacturing_date;
1306 	u8 reserved[2];		/* Reserved, must be zero */
1307 	u32 serial_number;
1308 	u16 code;
1309 	u16 windows;
1310 	u64 window_size;
1311 	u64 command_offset;
1312 	u64 command_size;
1313 	u64 status_offset;
1314 	u64 status_size;
1315 	u16 flags;
1316 	u8 reserved1[6];	/* Reserved, must be zero */
1317 };
1318 
1319 /* Flags */
1320 
1321 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1322 
1323 /* valid_fields bits */
1324 
1325 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1326 
1327 /* 5: NVDIMM Block Data Window Region Structure */
1328 
1329 struct acpi_nfit_data_region {
1330 	struct acpi_nfit_header header;
1331 	u16 region_index;
1332 	u16 windows;
1333 	u64 offset;
1334 	u64 size;
1335 	u64 capacity;
1336 	u64 start_address;
1337 };
1338 
1339 /* 6: Flush Hint Address Structure */
1340 
1341 struct acpi_nfit_flush_address {
1342 	struct acpi_nfit_header header;
1343 	u32 device_handle;
1344 	u16 hint_count;
1345 	u8 reserved[6];		/* Reserved, must be zero */
1346 	u64 hint_address[1];	/* Variable length */
1347 };
1348 
1349 /* 7: Platform Capabilities Structure */
1350 
1351 struct acpi_nfit_capabilities {
1352 	struct acpi_nfit_header header;
1353 	u8 highest_capability;
1354 	u8 reserved[3];		/* Reserved, must be zero */
1355 	u32 capabilities;
1356 	u32 reserved2;
1357 };
1358 
1359 /* Capabilities Flags */
1360 
1361 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1362 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1363 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1364 
1365 /*
1366  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1367  */
1368 struct nfit_device_handle {
1369 	u32 handle;
1370 };
1371 
1372 /* Device handle construction and extraction macros */
1373 
1374 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1375 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1376 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1377 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1378 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1379 
1380 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1381 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1382 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1383 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1384 #define ACPI_NFIT_NODE_ID_OFFSET                16
1385 
1386 /* Macro to construct a NFIT/NVDIMM device handle */
1387 
1388 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1389 	((dimm)                                         | \
1390 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1391 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1392 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1393 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1394 
1395 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1396 
1397 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1398 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1399 
1400 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1401 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1402 
1403 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1404 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1405 
1406 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1407 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1408 
1409 #define ACPI_NFIT_GET_NODE_ID(handle) \
1410 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1411 
1412 /*******************************************************************************
1413  *
1414  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1415  *        Version 2 (ACPI 6.2)
1416  *
1417  ******************************************************************************/
1418 
1419 struct acpi_table_pcct {
1420 	struct acpi_table_header header;	/* Common ACPI table header */
1421 	u32 flags;
1422 	u64 reserved;
1423 };
1424 
1425 /* Values for Flags field above */
1426 
1427 #define ACPI_PCCT_DOORBELL              1
1428 
1429 /* Values for subtable type in struct acpi_subtable_header */
1430 
1431 enum acpi_pcct_type {
1432 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1433 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1434 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1435 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1436 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1437 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1438 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1439 };
1440 
1441 /*
1442  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1443  */
1444 
1445 /* 0: Generic Communications Subspace */
1446 
1447 struct acpi_pcct_subspace {
1448 	struct acpi_subtable_header header;
1449 	u8 reserved[6];
1450 	u64 base_address;
1451 	u64 length;
1452 	struct acpi_generic_address doorbell_register;
1453 	u64 preserve_mask;
1454 	u64 write_mask;
1455 	u32 latency;
1456 	u32 max_access_rate;
1457 	u16 min_turnaround_time;
1458 };
1459 
1460 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1461 
1462 struct acpi_pcct_hw_reduced {
1463 	struct acpi_subtable_header header;
1464 	u32 platform_interrupt;
1465 	u8 flags;
1466 	u8 reserved;
1467 	u64 base_address;
1468 	u64 length;
1469 	struct acpi_generic_address doorbell_register;
1470 	u64 preserve_mask;
1471 	u64 write_mask;
1472 	u32 latency;
1473 	u32 max_access_rate;
1474 	u16 min_turnaround_time;
1475 };
1476 
1477 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1478 
1479 struct acpi_pcct_hw_reduced_type2 {
1480 	struct acpi_subtable_header header;
1481 	u32 platform_interrupt;
1482 	u8 flags;
1483 	u8 reserved;
1484 	u64 base_address;
1485 	u64 length;
1486 	struct acpi_generic_address doorbell_register;
1487 	u64 preserve_mask;
1488 	u64 write_mask;
1489 	u32 latency;
1490 	u32 max_access_rate;
1491 	u16 min_turnaround_time;
1492 	struct acpi_generic_address platform_ack_register;
1493 	u64 ack_preserve_mask;
1494 	u64 ack_write_mask;
1495 };
1496 
1497 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1498 
1499 struct acpi_pcct_ext_pcc_master {
1500 	struct acpi_subtable_header header;
1501 	u32 platform_interrupt;
1502 	u8 flags;
1503 	u8 reserved1;
1504 	u64 base_address;
1505 	u32 length;
1506 	struct acpi_generic_address doorbell_register;
1507 	u64 preserve_mask;
1508 	u64 write_mask;
1509 	u32 latency;
1510 	u32 max_access_rate;
1511 	u32 min_turnaround_time;
1512 	struct acpi_generic_address platform_ack_register;
1513 	u64 ack_preserve_mask;
1514 	u64 ack_set_mask;
1515 	u64 reserved2;
1516 	struct acpi_generic_address cmd_complete_register;
1517 	u64 cmd_complete_mask;
1518 	struct acpi_generic_address cmd_update_register;
1519 	u64 cmd_update_preserve_mask;
1520 	u64 cmd_update_set_mask;
1521 	struct acpi_generic_address error_status_register;
1522 	u64 error_status_mask;
1523 };
1524 
1525 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1526 
1527 struct acpi_pcct_ext_pcc_slave {
1528 	struct acpi_subtable_header header;
1529 	u32 platform_interrupt;
1530 	u8 flags;
1531 	u8 reserved1;
1532 	u64 base_address;
1533 	u32 length;
1534 	struct acpi_generic_address doorbell_register;
1535 	u64 preserve_mask;
1536 	u64 write_mask;
1537 	u32 latency;
1538 	u32 max_access_rate;
1539 	u32 min_turnaround_time;
1540 	struct acpi_generic_address platform_ack_register;
1541 	u64 ack_preserve_mask;
1542 	u64 ack_set_mask;
1543 	u64 reserved2;
1544 	struct acpi_generic_address cmd_complete_register;
1545 	u64 cmd_complete_mask;
1546 	struct acpi_generic_address cmd_update_register;
1547 	u64 cmd_update_preserve_mask;
1548 	u64 cmd_update_set_mask;
1549 	struct acpi_generic_address error_status_register;
1550 	u64 error_status_mask;
1551 };
1552 
1553 /* 5: HW Registers based Communications Subspace */
1554 
1555 struct acpi_pcct_hw_reg {
1556 	struct acpi_subtable_header header;
1557 	u16 version;
1558 	u64 base_address;
1559 	u64 length;
1560 	struct acpi_generic_address doorbell_register;
1561 	u64 doorbell_preserve;
1562 	u64 doorbell_write;
1563 	struct acpi_generic_address cmd_complete_register;
1564 	u64 cmd_complete_mask;
1565 	struct acpi_generic_address error_status_register;
1566 	u64 error_status_mask;
1567 	u32 nominal_latency;
1568 	u32 min_turnaround_time;
1569 };
1570 
1571 /* Values for doorbell flags above */
1572 
1573 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1574 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1575 
1576 /*
1577  * PCC memory structures (not part of the ACPI table)
1578  */
1579 
1580 /* Shared Memory Region */
1581 
1582 struct acpi_pcct_shared_memory {
1583 	u32 signature;
1584 	u16 command;
1585 	u16 status;
1586 };
1587 
1588 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1589 
1590 struct acpi_pcct_ext_pcc_shared_memory {
1591 	u32 signature;
1592 	u32 flags;
1593 	u32 length;
1594 	u32 command;
1595 };
1596 
1597 /*******************************************************************************
1598  *
1599  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1600  *        Version 0
1601  *
1602  ******************************************************************************/
1603 
1604 struct acpi_table_pdtt {
1605 	struct acpi_table_header header;	/* Common ACPI table header */
1606 	u8 trigger_count;
1607 	u8 reserved[3];
1608 	u32 array_offset;
1609 };
1610 
1611 /*
1612  * PDTT Communication Channel Identifier Structure.
1613  * The number of these structures is defined by trigger_count above,
1614  * starting at array_offset.
1615  */
1616 struct acpi_pdtt_channel {
1617 	u8 subchannel_id;
1618 	u8 flags;
1619 };
1620 
1621 /* Flags for above */
1622 
1623 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
1624 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
1625 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
1626 
1627 /*******************************************************************************
1628  *
1629  * PHAT - Platform Health Assessment Table (ACPI 6.4)
1630  *        Version 1
1631  *
1632  ******************************************************************************/
1633 
1634 struct acpi_table_phat {
1635 	struct acpi_table_header header;	/* Common ACPI table header */
1636 };
1637 
1638 /* Common header for PHAT subtables that follow main table */
1639 
1640 struct acpi_phat_header {
1641 	u16 type;
1642 	u16 length;
1643 	u8 revision;
1644 };
1645 
1646 /* Values for Type field above */
1647 
1648 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
1649 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
1650 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
1651 
1652 /*
1653  * PHAT subtables, correspond to Type in struct acpi_phat_header
1654  */
1655 
1656 /* 0: Firmware Version Data Record */
1657 
1658 struct acpi_phat_version_data {
1659 	struct acpi_phat_header header;
1660 	u8 reserved[3];
1661 	u32 element_count;
1662 };
1663 
1664 struct acpi_phat_version_element {
1665 	u8 guid[16];
1666 	u64 version_value;
1667 	u32 producer_id;
1668 };
1669 
1670 /* 1: Firmware Health Data Record */
1671 
1672 struct acpi_phat_health_data {
1673 	struct acpi_phat_header header;
1674 	u8 reserved[2];
1675 	u8 health;
1676 	u8 device_guid[16];
1677 	u32 device_specific_offset;	/* Zero if no Device-specific data */
1678 };
1679 
1680 /* Values for Health field above */
1681 
1682 #define ACPI_PHAT_ERRORS_FOUND          0
1683 #define ACPI_PHAT_NO_ERRORS             1
1684 #define ACPI_PHAT_UNKNOWN_ERRORS        2
1685 #define ACPI_PHAT_ADVISORY              3
1686 
1687 /*******************************************************************************
1688  *
1689  * PMTT - Platform Memory Topology Table (ACPI 5.0)
1690  *        Version 1
1691  *
1692  ******************************************************************************/
1693 
1694 struct acpi_table_pmtt {
1695 	struct acpi_table_header header;	/* Common ACPI table header */
1696 	u32 memory_device_count;
1697 	/*
1698 	 * Immediately followed by:
1699 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1700 	 */
1701 };
1702 
1703 /* Common header for PMTT subtables that follow main table */
1704 
1705 struct acpi_pmtt_header {
1706 	u8 type;
1707 	u8 reserved1;
1708 	u16 length;
1709 	u16 flags;
1710 	u16 reserved2;
1711 	u32 memory_device_count;	/* Zero means no memory device structs follow */
1712 	/*
1713 	 * Immediately followed by:
1714 	 * u8 type_specific_data[]
1715 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1716 	 */
1717 };
1718 
1719 /* Values for Type field above */
1720 
1721 #define ACPI_PMTT_TYPE_SOCKET           0
1722 #define ACPI_PMTT_TYPE_CONTROLLER       1
1723 #define ACPI_PMTT_TYPE_DIMM             2
1724 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
1725 #define ACPI_PMTT_TYPE_VENDOR           0xFF
1726 
1727 /* Values for Flags field above */
1728 
1729 #define ACPI_PMTT_TOP_LEVEL             0x0001
1730 #define ACPI_PMTT_PHYSICAL              0x0002
1731 #define ACPI_PMTT_MEMORY_TYPE           0x000C
1732 
1733 /*
1734  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
1735  */
1736 
1737 /* 0: Socket Structure */
1738 
1739 struct acpi_pmtt_socket {
1740 	struct acpi_pmtt_header header;
1741 	u16 socket_id;
1742 	u16 reserved;
1743 };
1744 	/*
1745 	 * Immediately followed by:
1746 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1747 	 */
1748 
1749 /* 1: Memory Controller subtable */
1750 
1751 struct acpi_pmtt_controller {
1752 	struct acpi_pmtt_header header;
1753 	u16 controller_id;
1754 	u16 reserved;
1755 };
1756 	/*
1757 	 * Immediately followed by:
1758 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1759 	 */
1760 
1761 /* 2: Physical Component Identifier (DIMM) */
1762 
1763 struct acpi_pmtt_physical_component {
1764 	struct acpi_pmtt_header header;
1765 	u32 bios_handle;
1766 };
1767 
1768 /* 0xFF: Vendor Specific Data */
1769 
1770 struct acpi_pmtt_vendor_specific {
1771 	struct acpi_pmtt_header header;
1772 	u8 type_uuid[16];
1773 	u8 specific[];
1774 	/*
1775 	 * Immediately followed by:
1776 	 * u8 vendor_specific_data[];
1777 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1778 	 */
1779 };
1780 
1781 /*******************************************************************************
1782  *
1783  * PPTT - Processor Properties Topology Table (ACPI 6.2)
1784  *        Version 1
1785  *
1786  ******************************************************************************/
1787 
1788 struct acpi_table_pptt {
1789 	struct acpi_table_header header;	/* Common ACPI table header */
1790 };
1791 
1792 /* Values for Type field above */
1793 
1794 enum acpi_pptt_type {
1795 	ACPI_PPTT_TYPE_PROCESSOR = 0,
1796 	ACPI_PPTT_TYPE_CACHE = 1,
1797 	ACPI_PPTT_TYPE_ID = 2,
1798 	ACPI_PPTT_TYPE_RESERVED = 3
1799 };
1800 
1801 /* 0: Processor Hierarchy Node Structure */
1802 
1803 struct acpi_pptt_processor {
1804 	struct acpi_subtable_header header;
1805 	u16 reserved;
1806 	u32 flags;
1807 	u32 parent;
1808 	u32 acpi_processor_id;
1809 	u32 number_of_priv_resources;
1810 };
1811 
1812 /* Flags */
1813 
1814 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
1815 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
1816 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
1817 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
1818 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
1819 
1820 /* 1: Cache Type Structure */
1821 
1822 struct acpi_pptt_cache {
1823 	struct acpi_subtable_header header;
1824 	u16 reserved;
1825 	u32 flags;
1826 	u32 next_level_of_cache;
1827 	u32 size;
1828 	u32 number_of_sets;
1829 	u8 associativity;
1830 	u8 attributes;
1831 	u16 line_size;
1832 };
1833 
1834 /* 1: Cache Type Structure for PPTT version 3 */
1835 
1836 struct acpi_pptt_cache_v1 {
1837 	u32 cache_id;
1838 };
1839 
1840 /* Flags */
1841 
1842 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
1843 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
1844 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
1845 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
1846 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
1847 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
1848 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
1849 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
1850 
1851 /* Masks for Attributes */
1852 
1853 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
1854 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
1855 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
1856 
1857 /* Attributes describing cache */
1858 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
1859 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
1860 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
1861 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
1862 
1863 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
1864 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
1865 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
1866 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
1867 
1868 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
1869 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
1870 
1871 /* 2: ID Structure */
1872 
1873 struct acpi_pptt_id {
1874 	struct acpi_subtable_header header;
1875 	u16 reserved;
1876 	u32 vendor_id;
1877 	u64 level1_id;
1878 	u64 level2_id;
1879 	u16 major_rev;
1880 	u16 minor_rev;
1881 	u16 spin_rev;
1882 };
1883 
1884 /*******************************************************************************
1885  *
1886  * PRMT - Platform Runtime Mechanism Table
1887  *        Version 1
1888  *
1889  ******************************************************************************/
1890 
1891 struct acpi_table_prmt {
1892 	struct acpi_table_header header;	/* Common ACPI table header */
1893 };
1894 
1895 struct acpi_table_prmt_header {
1896 	u8 platform_guid[16];
1897 	u32 module_info_offset;
1898 	u32 module_info_count;
1899 };
1900 
1901 struct acpi_prmt_module_header {
1902 	u16 revision;
1903 	u16 length;
1904 };
1905 
1906 struct acpi_prmt_module_info {
1907 	u16 revision;
1908 	u16 length;
1909 	u8 module_guid[16];
1910 	u16 major_rev;
1911 	u16 minor_rev;
1912 	u16 handler_info_count;
1913 	u32 handler_info_offset;
1914 	u64 mmio_list_pointer;
1915 };
1916 
1917 struct acpi_prmt_handler_info {
1918 	u16 revision;
1919 	u16 length;
1920 	u8 handler_guid[16];
1921 	u64 handler_address;
1922 	u64 static_data_buffer_address;
1923 	u64 acpi_param_buffer_address;
1924 };
1925 
1926 /*******************************************************************************
1927  *
1928  * RASF - RAS Feature Table (ACPI 5.0)
1929  *        Version 1
1930  *
1931  ******************************************************************************/
1932 
1933 struct acpi_table_rasf {
1934 	struct acpi_table_header header;	/* Common ACPI table header */
1935 	u8 channel_id[12];
1936 };
1937 
1938 /* RASF Platform Communication Channel Shared Memory Region */
1939 
1940 struct acpi_rasf_shared_memory {
1941 	u32 signature;
1942 	u16 command;
1943 	u16 status;
1944 	u16 version;
1945 	u8 capabilities[16];
1946 	u8 set_capabilities[16];
1947 	u16 num_parameter_blocks;
1948 	u32 set_capabilities_status;
1949 };
1950 
1951 /* RASF Parameter Block Structure Header */
1952 
1953 struct acpi_rasf_parameter_block {
1954 	u16 type;
1955 	u16 version;
1956 	u16 length;
1957 };
1958 
1959 /* RASF Parameter Block Structure for PATROL_SCRUB */
1960 
1961 struct acpi_rasf_patrol_scrub_parameter {
1962 	struct acpi_rasf_parameter_block header;
1963 	u16 patrol_scrub_command;
1964 	u64 requested_address_range[2];
1965 	u64 actual_address_range[2];
1966 	u16 flags;
1967 	u8 requested_speed;
1968 };
1969 
1970 /* Masks for Flags and Speed fields above */
1971 
1972 #define ACPI_RASF_SCRUBBER_RUNNING      1
1973 #define ACPI_RASF_SPEED                 (7<<1)
1974 #define ACPI_RASF_SPEED_SLOW            (0<<1)
1975 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
1976 #define ACPI_RASF_SPEED_FAST            (7<<1)
1977 
1978 /* Channel Commands */
1979 
1980 enum acpi_rasf_commands {
1981 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
1982 };
1983 
1984 /* Platform RAS Capabilities */
1985 
1986 enum acpi_rasf_capabiliities {
1987 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
1988 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
1989 };
1990 
1991 /* Patrol Scrub Commands */
1992 
1993 enum acpi_rasf_patrol_scrub_commands {
1994 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
1995 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
1996 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
1997 };
1998 
1999 /* Channel Command flags */
2000 
2001 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2002 
2003 /* Status values */
2004 
2005 enum acpi_rasf_status {
2006 	ACPI_RASF_SUCCESS = 0,
2007 	ACPI_RASF_NOT_VALID = 1,
2008 	ACPI_RASF_NOT_SUPPORTED = 2,
2009 	ACPI_RASF_BUSY = 3,
2010 	ACPI_RASF_FAILED = 4,
2011 	ACPI_RASF_ABORTED = 5,
2012 	ACPI_RASF_INVALID_DATA = 6
2013 };
2014 
2015 /* Status flags */
2016 
2017 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2018 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2019 #define ACPI_RASF_ERROR                 (1<<2)
2020 #define ACPI_RASF_STATUS                (0x1F<<3)
2021 
2022 /*******************************************************************************
2023  *
2024  * RGRT - Regulatory Graphics Resource Table
2025  *        Version 1
2026  *
2027  * Conforms to "ACPI RGRT" available at:
2028  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2029  *
2030  ******************************************************************************/
2031 
2032 struct acpi_table_rgrt {
2033 	struct acpi_table_header header;	/* Common ACPI table header */
2034 	u16 version;
2035 	u8 image_type;
2036 	u8 reserved;
2037 	u8 image[0];
2038 };
2039 
2040 /* image_type values */
2041 
2042 enum acpi_rgrt_image_type {
2043 	ACPI_RGRT_TYPE_RESERVED0 = 0,
2044 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2045 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2046 };
2047 
2048 /*******************************************************************************
2049  *
2050  * SBST - Smart Battery Specification Table
2051  *        Version 1
2052  *
2053  ******************************************************************************/
2054 
2055 struct acpi_table_sbst {
2056 	struct acpi_table_header header;	/* Common ACPI table header */
2057 	u32 warning_level;
2058 	u32 low_level;
2059 	u32 critical_level;
2060 };
2061 
2062 /*******************************************************************************
2063  *
2064  * SDEI - Software Delegated Exception Interface Descriptor Table
2065  *
2066  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
2067  * May 8th, 2017. Copyright 2017 ARM Ltd.
2068  *
2069  ******************************************************************************/
2070 
2071 struct acpi_table_sdei {
2072 	struct acpi_table_header header;	/* Common ACPI table header */
2073 };
2074 
2075 /*******************************************************************************
2076  *
2077  * SDEV - Secure Devices Table (ACPI 6.2)
2078  *        Version 1
2079  *
2080  ******************************************************************************/
2081 
2082 struct acpi_table_sdev {
2083 	struct acpi_table_header header;	/* Common ACPI table header */
2084 };
2085 
2086 struct acpi_sdev_header {
2087 	u8 type;
2088 	u8 flags;
2089 	u16 length;
2090 };
2091 
2092 /* Values for subtable type above */
2093 
2094 enum acpi_sdev_type {
2095 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
2096 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
2097 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2098 };
2099 
2100 /* Values for flags above */
2101 
2102 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
2103 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
2104 
2105 /*
2106  * SDEV subtables
2107  */
2108 
2109 /* 0: Namespace Device Based Secure Device Structure */
2110 
2111 struct acpi_sdev_namespace {
2112 	struct acpi_sdev_header header;
2113 	u16 device_id_offset;
2114 	u16 device_id_length;
2115 	u16 vendor_data_offset;
2116 	u16 vendor_data_length;
2117 };
2118 
2119 struct acpi_sdev_secure_component {
2120 	u16 secure_component_offset;
2121 	u16 secure_component_length;
2122 };
2123 
2124 /*
2125  * SDEV sub-subtables ("Components") for above
2126  */
2127 struct acpi_sdev_component {
2128 	struct acpi_sdev_header header;
2129 };
2130 
2131 /* Values for sub-subtable type above */
2132 
2133 enum acpi_sac_type {
2134 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
2135 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
2136 };
2137 
2138 struct acpi_sdev_id_component {
2139 	struct acpi_sdev_header header;
2140 	u16 hardware_id_offset;
2141 	u16 hardware_id_length;
2142 	u16 subsystem_id_offset;
2143 	u16 subsystem_id_length;
2144 	u16 hardware_revision;
2145 	u8 hardware_rev_present;
2146 	u8 class_code_present;
2147 	u8 pci_base_class;
2148 	u8 pci_sub_class;
2149 	u8 pci_programming_xface;
2150 };
2151 
2152 struct acpi_sdev_mem_component {
2153 	struct acpi_sdev_header header;
2154 	u32 reserved;
2155 	u64 memory_base_address;
2156 	u64 memory_length;
2157 };
2158 
2159 /* 1: PCIe Endpoint Device Based Device Structure */
2160 
2161 struct acpi_sdev_pcie {
2162 	struct acpi_sdev_header header;
2163 	u16 segment;
2164 	u16 start_bus;
2165 	u16 path_offset;
2166 	u16 path_length;
2167 	u16 vendor_data_offset;
2168 	u16 vendor_data_length;
2169 };
2170 
2171 /* 1a: PCIe Endpoint path entry */
2172 
2173 struct acpi_sdev_pcie_path {
2174 	u8 device;
2175 	u8 function;
2176 };
2177 
2178 /*******************************************************************************
2179  *
2180  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2181  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2182  *        Trust Domain Extensions (Intel TDX)".
2183  *        Version 1
2184  *
2185  ******************************************************************************/
2186 
2187 struct acpi_table_svkl {
2188 	struct acpi_table_header header;	/* Common ACPI table header */
2189 	u32 count;
2190 };
2191 
2192 struct acpi_svkl_key {
2193 	u16 type;
2194 	u16 format;
2195 	u32 size;
2196 	u64 address;
2197 };
2198 
2199 enum acpi_svkl_type {
2200 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2201 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2202 };
2203 
2204 enum acpi_svkl_format {
2205 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2206 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2207 };
2208 
2209 /* Reset to default packing */
2210 
2211 #pragma pack()
2212 
2213 #endif				/* __ACTBL2_H__ */
2214