xref: /openbmc/linux/include/acpi/actbl2.h (revision aa0dc6a7)
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  * BDAT - BIOS Data ACPI Table
73  *
74  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
75  * Nov 2020
76  *
77  ******************************************************************************/
78 
79 struct acpi_table_bdat {
80 	struct acpi_table_header header;
81 	struct acpi_generic_address gas;
82 };
83 
84 /*******************************************************************************
85  *
86  * IORT - IO Remapping Table
87  *
88  * Conforms to "IO Remapping Table System Software on ARM Platforms",
89  * Document number: ARM DEN 0049E.b, Feb 2021
90  *
91  ******************************************************************************/
92 
93 struct acpi_table_iort {
94 	struct acpi_table_header header;
95 	u32 node_count;
96 	u32 node_offset;
97 	u32 reserved;
98 };
99 
100 /*
101  * IORT subtables
102  */
103 struct acpi_iort_node {
104 	u8 type;
105 	u16 length;
106 	u8 revision;
107 	u32 identifier;
108 	u32 mapping_count;
109 	u32 mapping_offset;
110 	char node_data[1];
111 };
112 
113 /* Values for subtable Type above */
114 
115 enum acpi_iort_node_type {
116 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
117 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
118 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
119 	ACPI_IORT_NODE_SMMU = 0x03,
120 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
121 	ACPI_IORT_NODE_PMCG = 0x05,
122 	ACPI_IORT_NODE_RMR = 0x06,
123 };
124 
125 struct acpi_iort_id_mapping {
126 	u32 input_base;		/* Lowest value in input range */
127 	u32 id_count;		/* Number of IDs */
128 	u32 output_base;	/* Lowest value in output range */
129 	u32 output_reference;	/* A reference to the output node */
130 	u32 flags;
131 };
132 
133 /* Masks for Flags field above for IORT subtable */
134 
135 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
136 
137 struct acpi_iort_memory_access {
138 	u32 cache_coherency;
139 	u8 hints;
140 	u16 reserved;
141 	u8 memory_flags;
142 };
143 
144 /* Values for cache_coherency field above */
145 
146 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
147 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
148 
149 /* Masks for Hints field above */
150 
151 #define ACPI_IORT_HT_TRANSIENT          (1)
152 #define ACPI_IORT_HT_WRITE              (1<<1)
153 #define ACPI_IORT_HT_READ               (1<<2)
154 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
155 
156 /* Masks for memory_flags field above */
157 
158 #define ACPI_IORT_MF_COHERENCY          (1)
159 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
160 
161 /*
162  * IORT node specific subtables
163  */
164 struct acpi_iort_its_group {
165 	u32 its_count;
166 	u32 identifiers[1];	/* GIC ITS identifier array */
167 };
168 
169 struct acpi_iort_named_component {
170 	u32 node_flags;
171 	u64 memory_properties;	/* Memory access properties */
172 	u8 memory_address_limit;	/* Memory address size limit */
173 	char device_name[1];	/* Path of namespace object */
174 };
175 
176 /* Masks for Flags field above */
177 
178 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
179 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
180 
181 struct acpi_iort_root_complex {
182 	u64 memory_properties;	/* Memory access properties */
183 	u32 ats_attribute;
184 	u32 pci_segment_number;
185 	u8 memory_address_limit;	/* Memory address size limit */
186 	u8 reserved[3];		/* Reserved, must be zero */
187 };
188 
189 /* Masks for ats_attribute field above */
190 
191 #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
192 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
193 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
194 
195 struct acpi_iort_smmu {
196 	u64 base_address;	/* SMMU base address */
197 	u64 span;		/* Length of memory range */
198 	u32 model;
199 	u32 flags;
200 	u32 global_interrupt_offset;
201 	u32 context_interrupt_count;
202 	u32 context_interrupt_offset;
203 	u32 pmu_interrupt_count;
204 	u32 pmu_interrupt_offset;
205 	u64 interrupts[1];	/* Interrupt array */
206 };
207 
208 /* Values for Model field above */
209 
210 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
211 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
212 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
213 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
214 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
215 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
216 
217 /* Masks for Flags field above */
218 
219 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
220 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
221 
222 /* Global interrupt format */
223 
224 struct acpi_iort_smmu_gsi {
225 	u32 nsg_irpt;
226 	u32 nsg_irpt_flags;
227 	u32 nsg_cfg_irpt;
228 	u32 nsg_cfg_irpt_flags;
229 };
230 
231 struct acpi_iort_smmu_v3 {
232 	u64 base_address;	/* SMMUv3 base address */
233 	u32 flags;
234 	u32 reserved;
235 	u64 vatos_address;
236 	u32 model;
237 	u32 event_gsiv;
238 	u32 pri_gsiv;
239 	u32 gerr_gsiv;
240 	u32 sync_gsiv;
241 	u32 pxm;
242 	u32 id_mapping_index;
243 };
244 
245 /* Values for Model field above */
246 
247 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
248 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
249 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
250 
251 /* Masks for Flags field above */
252 
253 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
254 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
255 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
256 
257 struct acpi_iort_pmcg {
258 	u64 page0_base_address;
259 	u32 overflow_gsiv;
260 	u32 node_reference;
261 	u64 page1_base_address;
262 };
263 
264 struct acpi_iort_rmr {
265 	u32 flags;
266 	u32 rmr_count;
267 	u32 rmr_offset;
268 };
269 
270 struct acpi_iort_rmr_desc {
271 	u64 base_address;
272 	u64 length;
273 	u32 reserved;
274 };
275 
276 /*******************************************************************************
277  *
278  * IVRS - I/O Virtualization Reporting Structure
279  *        Version 1
280  *
281  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
282  * Revision 1.26, February 2009.
283  *
284  ******************************************************************************/
285 
286 struct acpi_table_ivrs {
287 	struct acpi_table_header header;	/* Common ACPI table header */
288 	u32 info;		/* Common virtualization info */
289 	u64 reserved;
290 };
291 
292 /* Values for Info field above */
293 
294 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
295 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
296 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
297 
298 /* IVRS subtable header */
299 
300 struct acpi_ivrs_header {
301 	u8 type;		/* Subtable type */
302 	u8 flags;
303 	u16 length;		/* Subtable length */
304 	u16 device_id;		/* ID of IOMMU */
305 };
306 
307 /* Values for subtable Type above */
308 
309 enum acpi_ivrs_type {
310 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
311 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
312 	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
313 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
314 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
315 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
316 };
317 
318 /* Masks for Flags field above for IVHD subtable */
319 
320 #define ACPI_IVHD_TT_ENABLE         (1)
321 #define ACPI_IVHD_PASS_PW           (1<<1)
322 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
323 #define ACPI_IVHD_ISOC              (1<<3)
324 #define ACPI_IVHD_IOTLB             (1<<4)
325 
326 /* Masks for Flags field above for IVMD subtable */
327 
328 #define ACPI_IVMD_UNITY             (1)
329 #define ACPI_IVMD_READ              (1<<1)
330 #define ACPI_IVMD_WRITE             (1<<2)
331 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
332 
333 /*
334  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
335  */
336 
337 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
338 
339 struct acpi_ivrs_hardware_10 {
340 	struct acpi_ivrs_header header;
341 	u16 capability_offset;	/* Offset for IOMMU control fields */
342 	u64 base_address;	/* IOMMU control registers */
343 	u16 pci_segment_group;
344 	u16 info;		/* MSI number and unit ID */
345 	u32 feature_reporting;
346 };
347 
348 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
349 
350 struct acpi_ivrs_hardware_11 {
351 	struct acpi_ivrs_header header;
352 	u16 capability_offset;	/* Offset for IOMMU control fields */
353 	u64 base_address;	/* IOMMU control registers */
354 	u16 pci_segment_group;
355 	u16 info;		/* MSI number and unit ID */
356 	u32 attributes;
357 	u64 efr_register_image;
358 	u64 reserved;
359 };
360 
361 /* Masks for Info field above */
362 
363 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
364 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
365 
366 /*
367  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
368  * Upper two bits of the Type field are the (encoded) length of the structure.
369  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
370  * are reserved for future use but not defined.
371  */
372 struct acpi_ivrs_de_header {
373 	u8 type;
374 	u16 id;
375 	u8 data_setting;
376 };
377 
378 /* Length of device entry is in the top two bits of Type field above */
379 
380 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
381 
382 /* Values for device entry Type field above */
383 
384 enum acpi_ivrs_device_entry_type {
385 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
386 
387 	ACPI_IVRS_TYPE_PAD4 = 0,
388 	ACPI_IVRS_TYPE_ALL = 1,
389 	ACPI_IVRS_TYPE_SELECT = 2,
390 	ACPI_IVRS_TYPE_START = 3,
391 	ACPI_IVRS_TYPE_END = 4,
392 
393 	/* 8-byte device entries */
394 
395 	ACPI_IVRS_TYPE_PAD8 = 64,
396 	ACPI_IVRS_TYPE_NOT_USED = 65,
397 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
398 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
399 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
400 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
401 	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
402 
403 	/* Variable-length device entries */
404 
405 	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
406 };
407 
408 /* Values for Data field above */
409 
410 #define ACPI_IVHD_INIT_PASS         (1)
411 #define ACPI_IVHD_EINT_PASS         (1<<1)
412 #define ACPI_IVHD_NMI_PASS          (1<<2)
413 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
414 #define ACPI_IVHD_LINT0_PASS        (1<<6)
415 #define ACPI_IVHD_LINT1_PASS        (1<<7)
416 
417 /* Types 0-4: 4-byte device entry */
418 
419 struct acpi_ivrs_device4 {
420 	struct acpi_ivrs_de_header header;
421 };
422 
423 /* Types 66-67: 8-byte device entry */
424 
425 struct acpi_ivrs_device8a {
426 	struct acpi_ivrs_de_header header;
427 	u8 reserved1;
428 	u16 used_id;
429 	u8 reserved2;
430 };
431 
432 /* Types 70-71: 8-byte device entry */
433 
434 struct acpi_ivrs_device8b {
435 	struct acpi_ivrs_de_header header;
436 	u32 extended_data;
437 };
438 
439 /* Values for extended_data above */
440 
441 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
442 
443 /* Type 72: 8-byte device entry */
444 
445 struct acpi_ivrs_device8c {
446 	struct acpi_ivrs_de_header header;
447 	u8 handle;
448 	u16 used_id;
449 	u8 variety;
450 };
451 
452 /* Values for Variety field above */
453 
454 #define ACPI_IVHD_IOAPIC            1
455 #define ACPI_IVHD_HPET              2
456 
457 /* Type 240: variable-length device entry */
458 
459 struct acpi_ivrs_device_hid {
460 	struct acpi_ivrs_de_header header;
461 	u64 acpi_hid;
462 	u64 acpi_cid;
463 	u8 uid_type;
464 	u8 uid_length;
465 };
466 
467 /* Values for uid_type above */
468 
469 #define ACPI_IVRS_UID_NOT_PRESENT   0
470 #define ACPI_IVRS_UID_IS_INTEGER    1
471 #define ACPI_IVRS_UID_IS_STRING     2
472 
473 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
474 
475 struct acpi_ivrs_memory {
476 	struct acpi_ivrs_header header;
477 	u16 aux_data;
478 	u64 reserved;
479 	u64 start_address;
480 	u64 memory_length;
481 };
482 
483 /*******************************************************************************
484  *
485  * LPIT - Low Power Idle Table
486  *
487  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
488  *
489  ******************************************************************************/
490 
491 struct acpi_table_lpit {
492 	struct acpi_table_header header;	/* Common ACPI table header */
493 };
494 
495 /* LPIT subtable header */
496 
497 struct acpi_lpit_header {
498 	u32 type;		/* Subtable type */
499 	u32 length;		/* Subtable length */
500 	u16 unique_id;
501 	u16 reserved;
502 	u32 flags;
503 };
504 
505 /* Values for subtable Type above */
506 
507 enum acpi_lpit_type {
508 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
509 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
510 };
511 
512 /* Masks for Flags field above  */
513 
514 #define ACPI_LPIT_STATE_DISABLED    (1)
515 #define ACPI_LPIT_NO_COUNTER        (1<<1)
516 
517 /*
518  * LPIT subtables, correspond to Type in struct acpi_lpit_header
519  */
520 
521 /* 0x00: Native C-state instruction based LPI structure */
522 
523 struct acpi_lpit_native {
524 	struct acpi_lpit_header header;
525 	struct acpi_generic_address entry_trigger;
526 	u32 residency;
527 	u32 latency;
528 	struct acpi_generic_address residency_counter;
529 	u64 counter_frequency;
530 };
531 
532 /*******************************************************************************
533  *
534  * MADT - Multiple APIC Description Table
535  *        Version 3
536  *
537  ******************************************************************************/
538 
539 struct acpi_table_madt {
540 	struct acpi_table_header header;	/* Common ACPI table header */
541 	u32 address;		/* Physical address of local APIC */
542 	u32 flags;
543 };
544 
545 /* Masks for Flags field above */
546 
547 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
548 
549 /* Values for PCATCompat flag */
550 
551 #define ACPI_MADT_DUAL_PIC          1
552 #define ACPI_MADT_MULTIPLE_APIC     0
553 
554 /* Values for MADT subtable type in struct acpi_subtable_header */
555 
556 enum acpi_madt_type {
557 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
558 	ACPI_MADT_TYPE_IO_APIC = 1,
559 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
560 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
561 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
562 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
563 	ACPI_MADT_TYPE_IO_SAPIC = 6,
564 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
565 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
566 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
567 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
568 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
569 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
570 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
571 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
572 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
573 	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
574 	ACPI_MADT_TYPE_RESERVED = 17	/* 17 and greater are reserved */
575 };
576 
577 /*
578  * MADT Subtables, correspond to Type in struct acpi_subtable_header
579  */
580 
581 /* 0: Processor Local APIC */
582 
583 struct acpi_madt_local_apic {
584 	struct acpi_subtable_header header;
585 	u8 processor_id;	/* ACPI processor id */
586 	u8 id;			/* Processor's local APIC id */
587 	u32 lapic_flags;
588 };
589 
590 /* 1: IO APIC */
591 
592 struct acpi_madt_io_apic {
593 	struct acpi_subtable_header header;
594 	u8 id;			/* I/O APIC ID */
595 	u8 reserved;		/* reserved - must be zero */
596 	u32 address;		/* APIC physical address */
597 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
598 };
599 
600 /* 2: Interrupt Override */
601 
602 struct acpi_madt_interrupt_override {
603 	struct acpi_subtable_header header;
604 	u8 bus;			/* 0 - ISA */
605 	u8 source_irq;		/* Interrupt source (IRQ) */
606 	u32 global_irq;		/* Global system interrupt */
607 	u16 inti_flags;
608 };
609 
610 /* 3: NMI Source */
611 
612 struct acpi_madt_nmi_source {
613 	struct acpi_subtable_header header;
614 	u16 inti_flags;
615 	u32 global_irq;		/* Global system interrupt */
616 };
617 
618 /* 4: Local APIC NMI */
619 
620 struct acpi_madt_local_apic_nmi {
621 	struct acpi_subtable_header header;
622 	u8 processor_id;	/* ACPI processor id */
623 	u16 inti_flags;
624 	u8 lint;		/* LINTn to which NMI is connected */
625 };
626 
627 /* 5: Address Override */
628 
629 struct acpi_madt_local_apic_override {
630 	struct acpi_subtable_header header;
631 	u16 reserved;		/* Reserved, must be zero */
632 	u64 address;		/* APIC physical address */
633 };
634 
635 /* 6: I/O Sapic */
636 
637 struct acpi_madt_io_sapic {
638 	struct acpi_subtable_header header;
639 	u8 id;			/* I/O SAPIC ID */
640 	u8 reserved;		/* Reserved, must be zero */
641 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
642 	u64 address;		/* SAPIC physical address */
643 };
644 
645 /* 7: Local Sapic */
646 
647 struct acpi_madt_local_sapic {
648 	struct acpi_subtable_header header;
649 	u8 processor_id;	/* ACPI processor id */
650 	u8 id;			/* SAPIC ID */
651 	u8 eid;			/* SAPIC EID */
652 	u8 reserved[3];		/* Reserved, must be zero */
653 	u32 lapic_flags;
654 	u32 uid;		/* Numeric UID - ACPI 3.0 */
655 	char uid_string[1];	/* String UID  - ACPI 3.0 */
656 };
657 
658 /* 8: Platform Interrupt Source */
659 
660 struct acpi_madt_interrupt_source {
661 	struct acpi_subtable_header header;
662 	u16 inti_flags;
663 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
664 	u8 id;			/* Processor ID */
665 	u8 eid;			/* Processor EID */
666 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
667 	u32 global_irq;		/* Global system interrupt */
668 	u32 flags;		/* Interrupt Source Flags */
669 };
670 
671 /* Masks for Flags field above */
672 
673 #define ACPI_MADT_CPEI_OVERRIDE     (1)
674 
675 /* 9: Processor Local X2APIC (ACPI 4.0) */
676 
677 struct acpi_madt_local_x2apic {
678 	struct acpi_subtable_header header;
679 	u16 reserved;		/* reserved - must be zero */
680 	u32 local_apic_id;	/* Processor x2APIC ID  */
681 	u32 lapic_flags;
682 	u32 uid;		/* ACPI processor UID */
683 };
684 
685 /* 10: Local X2APIC NMI (ACPI 4.0) */
686 
687 struct acpi_madt_local_x2apic_nmi {
688 	struct acpi_subtable_header header;
689 	u16 inti_flags;
690 	u32 uid;		/* ACPI processor UID */
691 	u8 lint;		/* LINTn to which NMI is connected */
692 	u8 reserved[3];		/* reserved - must be zero */
693 };
694 
695 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
696 
697 struct acpi_madt_generic_interrupt {
698 	struct acpi_subtable_header header;
699 	u16 reserved;		/* reserved - must be zero */
700 	u32 cpu_interface_number;
701 	u32 uid;
702 	u32 flags;
703 	u32 parking_version;
704 	u32 performance_interrupt;
705 	u64 parked_address;
706 	u64 base_address;
707 	u64 gicv_base_address;
708 	u64 gich_base_address;
709 	u32 vgic_interrupt;
710 	u64 gicr_base_address;
711 	u64 arm_mpidr;
712 	u8 efficiency_class;
713 	u8 reserved2[1];
714 	u16 spe_interrupt;	/* ACPI 6.3 */
715 };
716 
717 /* Masks for Flags field above */
718 
719 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
720 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
721 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
722 
723 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
724 
725 struct acpi_madt_generic_distributor {
726 	struct acpi_subtable_header header;
727 	u16 reserved;		/* reserved - must be zero */
728 	u32 gic_id;
729 	u64 base_address;
730 	u32 global_irq_base;
731 	u8 version;
732 	u8 reserved2[3];	/* reserved - must be zero */
733 };
734 
735 /* Values for Version field above */
736 
737 enum acpi_madt_gic_version {
738 	ACPI_MADT_GIC_VERSION_NONE = 0,
739 	ACPI_MADT_GIC_VERSION_V1 = 1,
740 	ACPI_MADT_GIC_VERSION_V2 = 2,
741 	ACPI_MADT_GIC_VERSION_V3 = 3,
742 	ACPI_MADT_GIC_VERSION_V4 = 4,
743 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
744 };
745 
746 /* 13: Generic MSI Frame (ACPI 5.1) */
747 
748 struct acpi_madt_generic_msi_frame {
749 	struct acpi_subtable_header header;
750 	u16 reserved;		/* reserved - must be zero */
751 	u32 msi_frame_id;
752 	u64 base_address;
753 	u32 flags;
754 	u16 spi_count;
755 	u16 spi_base;
756 };
757 
758 /* Masks for Flags field above */
759 
760 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
761 
762 /* 14: Generic Redistributor (ACPI 5.1) */
763 
764 struct acpi_madt_generic_redistributor {
765 	struct acpi_subtable_header header;
766 	u16 reserved;		/* reserved - must be zero */
767 	u64 base_address;
768 	u32 length;
769 };
770 
771 /* 15: Generic Translator (ACPI 6.0) */
772 
773 struct acpi_madt_generic_translator {
774 	struct acpi_subtable_header header;
775 	u16 reserved;		/* reserved - must be zero */
776 	u32 translation_id;
777 	u64 base_address;
778 	u32 reserved2;
779 };
780 
781 /* 16: Multiprocessor wakeup (ACPI 6.4) */
782 
783 struct acpi_madt_multiproc_wakeup {
784 	struct acpi_subtable_header header;
785 	u16 mailbox_version;
786 	u32 reserved;		/* reserved - must be zero */
787 	u64 base_address;
788 };
789 
790 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE	2032
791 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE	2048
792 
793 struct acpi_madt_multiproc_wakeup_mailbox {
794 	u16 command;
795 	u16 reserved;		/* reserved - must be zero */
796 	u32 apic_id;
797 	u64 wakeup_vector;
798 	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
799 	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
800 };
801 
802 #define ACPI_MP_WAKE_COMMAND_WAKEUP    1
803 
804 /*
805  * Common flags fields for MADT subtables
806  */
807 
808 /* MADT Local APIC flags */
809 
810 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
811 
812 /* MADT MPS INTI flags (inti_flags) */
813 
814 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
815 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
816 
817 /* Values for MPS INTI flags */
818 
819 #define ACPI_MADT_POLARITY_CONFORMS       0
820 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
821 #define ACPI_MADT_POLARITY_RESERVED       2
822 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
823 
824 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
825 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
826 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
827 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
828 
829 /*******************************************************************************
830  *
831  * MCFG - PCI Memory Mapped Configuration table and subtable
832  *        Version 1
833  *
834  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
835  *
836  ******************************************************************************/
837 
838 struct acpi_table_mcfg {
839 	struct acpi_table_header header;	/* Common ACPI table header */
840 	u8 reserved[8];
841 };
842 
843 /* Subtable */
844 
845 struct acpi_mcfg_allocation {
846 	u64 address;		/* Base address, processor-relative */
847 	u16 pci_segment;	/* PCI segment group number */
848 	u8 start_bus_number;	/* Starting PCI Bus number */
849 	u8 end_bus_number;	/* Final PCI Bus number */
850 	u32 reserved;
851 };
852 
853 /*******************************************************************************
854  *
855  * MCHI - Management Controller Host Interface Table
856  *        Version 1
857  *
858  * Conforms to "Management Component Transport Protocol (MCTP) Host
859  * Interface Specification", Revision 1.0.0a, October 13, 2009
860  *
861  ******************************************************************************/
862 
863 struct acpi_table_mchi {
864 	struct acpi_table_header header;	/* Common ACPI table header */
865 	u8 interface_type;
866 	u8 protocol;
867 	u64 protocol_data;
868 	u8 interrupt_type;
869 	u8 gpe;
870 	u8 pci_device_flag;
871 	u32 global_interrupt;
872 	struct acpi_generic_address control_register;
873 	u8 pci_segment;
874 	u8 pci_bus;
875 	u8 pci_device;
876 	u8 pci_function;
877 };
878 
879 /*******************************************************************************
880  *
881  * MPST - Memory Power State Table (ACPI 5.0)
882  *        Version 1
883  *
884  ******************************************************************************/
885 
886 #define ACPI_MPST_CHANNEL_INFO \
887 	u8                              channel_id; \
888 	u8                              reserved1[3]; \
889 	u16                             power_node_count; \
890 	u16                             reserved2;
891 
892 /* Main table */
893 
894 struct acpi_table_mpst {
895 	struct acpi_table_header header;	/* Common ACPI table header */
896 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
897 };
898 
899 /* Memory Platform Communication Channel Info */
900 
901 struct acpi_mpst_channel {
902 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
903 };
904 
905 /* Memory Power Node Structure */
906 
907 struct acpi_mpst_power_node {
908 	u8 flags;
909 	u8 reserved1;
910 	u16 node_id;
911 	u32 length;
912 	u64 range_address;
913 	u64 range_length;
914 	u32 num_power_states;
915 	u32 num_physical_components;
916 };
917 
918 /* Values for Flags field above */
919 
920 #define ACPI_MPST_ENABLED               1
921 #define ACPI_MPST_POWER_MANAGED         2
922 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
923 
924 /* Memory Power State Structure (follows POWER_NODE above) */
925 
926 struct acpi_mpst_power_state {
927 	u8 power_state;
928 	u8 info_index;
929 };
930 
931 /* Physical Component ID Structure (follows POWER_STATE above) */
932 
933 struct acpi_mpst_component {
934 	u16 component_id;
935 };
936 
937 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
938 
939 struct acpi_mpst_data_hdr {
940 	u16 characteristics_count;
941 	u16 reserved;
942 };
943 
944 struct acpi_mpst_power_data {
945 	u8 structure_id;
946 	u8 flags;
947 	u16 reserved1;
948 	u32 average_power;
949 	u32 power_saving;
950 	u64 exit_latency;
951 	u64 reserved2;
952 };
953 
954 /* Values for Flags field above */
955 
956 #define ACPI_MPST_PRESERVE              1
957 #define ACPI_MPST_AUTOENTRY             2
958 #define ACPI_MPST_AUTOEXIT              4
959 
960 /* Shared Memory Region (not part of an ACPI table) */
961 
962 struct acpi_mpst_shared {
963 	u32 signature;
964 	u16 pcc_command;
965 	u16 pcc_status;
966 	u32 command_register;
967 	u32 status_register;
968 	u32 power_state_id;
969 	u32 power_node_id;
970 	u64 energy_consumed;
971 	u64 average_power;
972 };
973 
974 /*******************************************************************************
975  *
976  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
977  *        Version 1
978  *
979  ******************************************************************************/
980 
981 struct acpi_table_msct {
982 	struct acpi_table_header header;	/* Common ACPI table header */
983 	u32 proximity_offset;	/* Location of proximity info struct(s) */
984 	u32 max_proximity_domains;	/* Max number of proximity domains */
985 	u32 max_clock_domains;	/* Max number of clock domains */
986 	u64 max_address;	/* Max physical address in system */
987 };
988 
989 /* subtable - Maximum Proximity Domain Information. Version 1 */
990 
991 struct acpi_msct_proximity {
992 	u8 revision;
993 	u8 length;
994 	u32 range_start;	/* Start of domain range */
995 	u32 range_end;		/* End of domain range */
996 	u32 processor_capacity;
997 	u64 memory_capacity;	/* In bytes */
998 };
999 
1000 /*******************************************************************************
1001  *
1002  * MSDM - Microsoft Data Management table
1003  *
1004  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1005  * November 29, 2011. Copyright 2011 Microsoft
1006  *
1007  ******************************************************************************/
1008 
1009 /* Basic MSDM table is only the common ACPI header */
1010 
1011 struct acpi_table_msdm {
1012 	struct acpi_table_header header;	/* Common ACPI table header */
1013 };
1014 
1015 /*******************************************************************************
1016  *
1017  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1018  *        Version 1
1019  *
1020  ******************************************************************************/
1021 
1022 struct acpi_table_nfit {
1023 	struct acpi_table_header header;	/* Common ACPI table header */
1024 	u32 reserved;		/* Reserved, must be zero */
1025 };
1026 
1027 /* Subtable header for NFIT */
1028 
1029 struct acpi_nfit_header {
1030 	u16 type;
1031 	u16 length;
1032 };
1033 
1034 /* Values for subtable type in struct acpi_nfit_header */
1035 
1036 enum acpi_nfit_type {
1037 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1038 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1039 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1040 	ACPI_NFIT_TYPE_SMBIOS = 3,
1041 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1042 	ACPI_NFIT_TYPE_DATA_REGION = 5,
1043 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1044 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1045 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1046 };
1047 
1048 /*
1049  * NFIT Subtables
1050  */
1051 
1052 /* 0: System Physical Address Range Structure */
1053 
1054 struct acpi_nfit_system_address {
1055 	struct acpi_nfit_header header;
1056 	u16 range_index;
1057 	u16 flags;
1058 	u32 reserved;		/* Reserved, must be zero */
1059 	u32 proximity_domain;
1060 	u8 range_guid[16];
1061 	u64 address;
1062 	u64 length;
1063 	u64 memory_mapping;
1064 	u64 location_cookie;	/* ACPI 6.4 */
1065 };
1066 
1067 /* Flags */
1068 
1069 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1070 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1071 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1072 
1073 /* Range Type GUIDs appear in the include/acuuid.h file */
1074 
1075 /* 1: Memory Device to System Address Range Map Structure */
1076 
1077 struct acpi_nfit_memory_map {
1078 	struct acpi_nfit_header header;
1079 	u32 device_handle;
1080 	u16 physical_id;
1081 	u16 region_id;
1082 	u16 range_index;
1083 	u16 region_index;
1084 	u64 region_size;
1085 	u64 region_offset;
1086 	u64 address;
1087 	u16 interleave_index;
1088 	u16 interleave_ways;
1089 	u16 flags;
1090 	u16 reserved;		/* Reserved, must be zero */
1091 };
1092 
1093 /* Flags */
1094 
1095 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1096 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1097 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1098 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1099 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1100 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1101 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1102 
1103 /* 2: Interleave Structure */
1104 
1105 struct acpi_nfit_interleave {
1106 	struct acpi_nfit_header header;
1107 	u16 interleave_index;
1108 	u16 reserved;		/* Reserved, must be zero */
1109 	u32 line_count;
1110 	u32 line_size;
1111 	u32 line_offset[1];	/* Variable length */
1112 };
1113 
1114 /* 3: SMBIOS Management Information Structure */
1115 
1116 struct acpi_nfit_smbios {
1117 	struct acpi_nfit_header header;
1118 	u32 reserved;		/* Reserved, must be zero */
1119 	u8 data[1];		/* Variable length */
1120 };
1121 
1122 /* 4: NVDIMM Control Region Structure */
1123 
1124 struct acpi_nfit_control_region {
1125 	struct acpi_nfit_header header;
1126 	u16 region_index;
1127 	u16 vendor_id;
1128 	u16 device_id;
1129 	u16 revision_id;
1130 	u16 subsystem_vendor_id;
1131 	u16 subsystem_device_id;
1132 	u16 subsystem_revision_id;
1133 	u8 valid_fields;
1134 	u8 manufacturing_location;
1135 	u16 manufacturing_date;
1136 	u8 reserved[2];		/* Reserved, must be zero */
1137 	u32 serial_number;
1138 	u16 code;
1139 	u16 windows;
1140 	u64 window_size;
1141 	u64 command_offset;
1142 	u64 command_size;
1143 	u64 status_offset;
1144 	u64 status_size;
1145 	u16 flags;
1146 	u8 reserved1[6];	/* Reserved, must be zero */
1147 };
1148 
1149 /* Flags */
1150 
1151 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1152 
1153 /* valid_fields bits */
1154 
1155 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1156 
1157 /* 5: NVDIMM Block Data Window Region Structure */
1158 
1159 struct acpi_nfit_data_region {
1160 	struct acpi_nfit_header header;
1161 	u16 region_index;
1162 	u16 windows;
1163 	u64 offset;
1164 	u64 size;
1165 	u64 capacity;
1166 	u64 start_address;
1167 };
1168 
1169 /* 6: Flush Hint Address Structure */
1170 
1171 struct acpi_nfit_flush_address {
1172 	struct acpi_nfit_header header;
1173 	u32 device_handle;
1174 	u16 hint_count;
1175 	u8 reserved[6];		/* Reserved, must be zero */
1176 	u64 hint_address[1];	/* Variable length */
1177 };
1178 
1179 /* 7: Platform Capabilities Structure */
1180 
1181 struct acpi_nfit_capabilities {
1182 	struct acpi_nfit_header header;
1183 	u8 highest_capability;
1184 	u8 reserved[3];		/* Reserved, must be zero */
1185 	u32 capabilities;
1186 	u32 reserved2;
1187 };
1188 
1189 /* Capabilities Flags */
1190 
1191 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1192 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1193 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1194 
1195 /*
1196  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1197  */
1198 struct nfit_device_handle {
1199 	u32 handle;
1200 };
1201 
1202 /* Device handle construction and extraction macros */
1203 
1204 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1205 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1206 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1207 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1208 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1209 
1210 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1211 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1212 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1213 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1214 #define ACPI_NFIT_NODE_ID_OFFSET                16
1215 
1216 /* Macro to construct a NFIT/NVDIMM device handle */
1217 
1218 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1219 	((dimm)                                         | \
1220 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1221 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1222 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1223 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1224 
1225 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1226 
1227 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1228 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1229 
1230 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1231 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1232 
1233 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1234 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1235 
1236 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1237 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1238 
1239 #define ACPI_NFIT_GET_NODE_ID(handle) \
1240 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1241 
1242 /*******************************************************************************
1243  *
1244  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1245  *        Version 2 (ACPI 6.2)
1246  *
1247  ******************************************************************************/
1248 
1249 struct acpi_table_pcct {
1250 	struct acpi_table_header header;	/* Common ACPI table header */
1251 	u32 flags;
1252 	u64 reserved;
1253 };
1254 
1255 /* Values for Flags field above */
1256 
1257 #define ACPI_PCCT_DOORBELL              1
1258 
1259 /* Values for subtable type in struct acpi_subtable_header */
1260 
1261 enum acpi_pcct_type {
1262 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1263 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1264 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1265 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1266 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1267 	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
1268 	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
1269 };
1270 
1271 /*
1272  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1273  */
1274 
1275 /* 0: Generic Communications Subspace */
1276 
1277 struct acpi_pcct_subspace {
1278 	struct acpi_subtable_header header;
1279 	u8 reserved[6];
1280 	u64 base_address;
1281 	u64 length;
1282 	struct acpi_generic_address doorbell_register;
1283 	u64 preserve_mask;
1284 	u64 write_mask;
1285 	u32 latency;
1286 	u32 max_access_rate;
1287 	u16 min_turnaround_time;
1288 };
1289 
1290 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1291 
1292 struct acpi_pcct_hw_reduced {
1293 	struct acpi_subtable_header header;
1294 	u32 platform_interrupt;
1295 	u8 flags;
1296 	u8 reserved;
1297 	u64 base_address;
1298 	u64 length;
1299 	struct acpi_generic_address doorbell_register;
1300 	u64 preserve_mask;
1301 	u64 write_mask;
1302 	u32 latency;
1303 	u32 max_access_rate;
1304 	u16 min_turnaround_time;
1305 };
1306 
1307 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1308 
1309 struct acpi_pcct_hw_reduced_type2 {
1310 	struct acpi_subtable_header header;
1311 	u32 platform_interrupt;
1312 	u8 flags;
1313 	u8 reserved;
1314 	u64 base_address;
1315 	u64 length;
1316 	struct acpi_generic_address doorbell_register;
1317 	u64 preserve_mask;
1318 	u64 write_mask;
1319 	u32 latency;
1320 	u32 max_access_rate;
1321 	u16 min_turnaround_time;
1322 	struct acpi_generic_address platform_ack_register;
1323 	u64 ack_preserve_mask;
1324 	u64 ack_write_mask;
1325 };
1326 
1327 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1328 
1329 struct acpi_pcct_ext_pcc_master {
1330 	struct acpi_subtable_header header;
1331 	u32 platform_interrupt;
1332 	u8 flags;
1333 	u8 reserved1;
1334 	u64 base_address;
1335 	u32 length;
1336 	struct acpi_generic_address doorbell_register;
1337 	u64 preserve_mask;
1338 	u64 write_mask;
1339 	u32 latency;
1340 	u32 max_access_rate;
1341 	u32 min_turnaround_time;
1342 	struct acpi_generic_address platform_ack_register;
1343 	u64 ack_preserve_mask;
1344 	u64 ack_set_mask;
1345 	u64 reserved2;
1346 	struct acpi_generic_address cmd_complete_register;
1347 	u64 cmd_complete_mask;
1348 	struct acpi_generic_address cmd_update_register;
1349 	u64 cmd_update_preserve_mask;
1350 	u64 cmd_update_set_mask;
1351 	struct acpi_generic_address error_status_register;
1352 	u64 error_status_mask;
1353 };
1354 
1355 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1356 
1357 struct acpi_pcct_ext_pcc_slave {
1358 	struct acpi_subtable_header header;
1359 	u32 platform_interrupt;
1360 	u8 flags;
1361 	u8 reserved1;
1362 	u64 base_address;
1363 	u32 length;
1364 	struct acpi_generic_address doorbell_register;
1365 	u64 preserve_mask;
1366 	u64 write_mask;
1367 	u32 latency;
1368 	u32 max_access_rate;
1369 	u32 min_turnaround_time;
1370 	struct acpi_generic_address platform_ack_register;
1371 	u64 ack_preserve_mask;
1372 	u64 ack_set_mask;
1373 	u64 reserved2;
1374 	struct acpi_generic_address cmd_complete_register;
1375 	u64 cmd_complete_mask;
1376 	struct acpi_generic_address cmd_update_register;
1377 	u64 cmd_update_preserve_mask;
1378 	u64 cmd_update_set_mask;
1379 	struct acpi_generic_address error_status_register;
1380 	u64 error_status_mask;
1381 };
1382 
1383 /* 5: HW Registers based Communications Subspace */
1384 
1385 struct acpi_pcct_hw_reg {
1386 	struct acpi_subtable_header header;
1387 	u16 version;
1388 	u64 base_address;
1389 	u64 length;
1390 	struct acpi_generic_address doorbell_register;
1391 	u64 doorbell_preserve;
1392 	u64 doorbell_write;
1393 	struct acpi_generic_address cmd_complete_register;
1394 	u64 cmd_complete_mask;
1395 	struct acpi_generic_address error_status_register;
1396 	u64 error_status_mask;
1397 	u32 nominal_latency;
1398 	u32 min_turnaround_time;
1399 };
1400 
1401 /* Values for doorbell flags above */
1402 
1403 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1404 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1405 
1406 /*
1407  * PCC memory structures (not part of the ACPI table)
1408  */
1409 
1410 /* Shared Memory Region */
1411 
1412 struct acpi_pcct_shared_memory {
1413 	u32 signature;
1414 	u16 command;
1415 	u16 status;
1416 };
1417 
1418 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1419 
1420 struct acpi_pcct_ext_pcc_shared_memory {
1421 	u32 signature;
1422 	u32 flags;
1423 	u32 length;
1424 	u32 command;
1425 };
1426 
1427 /*******************************************************************************
1428  *
1429  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1430  *        Version 0
1431  *
1432  ******************************************************************************/
1433 
1434 struct acpi_table_pdtt {
1435 	struct acpi_table_header header;	/* Common ACPI table header */
1436 	u8 trigger_count;
1437 	u8 reserved[3];
1438 	u32 array_offset;
1439 };
1440 
1441 /*
1442  * PDTT Communication Channel Identifier Structure.
1443  * The number of these structures is defined by trigger_count above,
1444  * starting at array_offset.
1445  */
1446 struct acpi_pdtt_channel {
1447 	u8 subchannel_id;
1448 	u8 flags;
1449 };
1450 
1451 /* Flags for above */
1452 
1453 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
1454 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
1455 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
1456 
1457 /*******************************************************************************
1458  *
1459  * PHAT - Platform Health Assessment Table (ACPI 6.4)
1460  *        Version 1
1461  *
1462  ******************************************************************************/
1463 
1464 struct acpi_table_phat {
1465 	struct acpi_table_header header;	/* Common ACPI table header */
1466 };
1467 
1468 /* Common header for PHAT subtables that follow main table */
1469 
1470 struct acpi_phat_header {
1471 	u16 type;
1472 	u16 length;
1473 	u8 revision;
1474 };
1475 
1476 /* Values for Type field above */
1477 
1478 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
1479 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
1480 #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
1481 
1482 /*
1483  * PHAT subtables, correspond to Type in struct acpi_phat_header
1484  */
1485 
1486 /* 0: Firmware Version Data Record */
1487 
1488 struct acpi_phat_version_data {
1489 	struct acpi_phat_header header;
1490 	u8 reserved[3];
1491 	u32 element_count;
1492 };
1493 
1494 struct acpi_phat_version_element {
1495 	u8 guid[16];
1496 	u64 version_value;
1497 	u32 producer_id;
1498 };
1499 
1500 /* 1: Firmware Health Data Record */
1501 
1502 struct acpi_phat_health_data {
1503 	struct acpi_phat_header header;
1504 	u8 reserved[2];
1505 	u8 health;
1506 	u8 device_guid[16];
1507 	u32 device_specific_offset;	/* Zero if no Device-specific data */
1508 };
1509 
1510 /* Values for Health field above */
1511 
1512 #define ACPI_PHAT_ERRORS_FOUND          0
1513 #define ACPI_PHAT_NO_ERRORS             1
1514 #define ACPI_PHAT_UNKNOWN_ERRORS        2
1515 #define ACPI_PHAT_ADVISORY              3
1516 
1517 /*******************************************************************************
1518  *
1519  * PMTT - Platform Memory Topology Table (ACPI 5.0)
1520  *        Version 1
1521  *
1522  ******************************************************************************/
1523 
1524 struct acpi_table_pmtt {
1525 	struct acpi_table_header header;	/* Common ACPI table header */
1526 	u32 memory_device_count;
1527 	/*
1528 	 * Immediately followed by:
1529 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1530 	 */
1531 };
1532 
1533 /* Common header for PMTT subtables that follow main table */
1534 
1535 struct acpi_pmtt_header {
1536 	u8 type;
1537 	u8 reserved1;
1538 	u16 length;
1539 	u16 flags;
1540 	u16 reserved2;
1541 	u32 memory_device_count;	/* Zero means no memory device structs follow */
1542 	/*
1543 	 * Immediately followed by:
1544 	 * u8 type_specific_data[]
1545 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1546 	 */
1547 };
1548 
1549 /* Values for Type field above */
1550 
1551 #define ACPI_PMTT_TYPE_SOCKET           0
1552 #define ACPI_PMTT_TYPE_CONTROLLER       1
1553 #define ACPI_PMTT_TYPE_DIMM             2
1554 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
1555 #define ACPI_PMTT_TYPE_VENDOR           0xFF
1556 
1557 /* Values for Flags field above */
1558 
1559 #define ACPI_PMTT_TOP_LEVEL             0x0001
1560 #define ACPI_PMTT_PHYSICAL              0x0002
1561 #define ACPI_PMTT_MEMORY_TYPE           0x000C
1562 
1563 /*
1564  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
1565  */
1566 
1567 /* 0: Socket Structure */
1568 
1569 struct acpi_pmtt_socket {
1570 	struct acpi_pmtt_header header;
1571 	u16 socket_id;
1572 	u16 reserved;
1573 };
1574 	/*
1575 	 * Immediately followed by:
1576 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1577 	 */
1578 
1579 /* 1: Memory Controller subtable */
1580 
1581 struct acpi_pmtt_controller {
1582 	struct acpi_pmtt_header header;
1583 	u16 controller_id;
1584 	u16 reserved;
1585 };
1586 	/*
1587 	 * Immediately followed by:
1588 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1589 	 */
1590 
1591 /* 2: Physical Component Identifier (DIMM) */
1592 
1593 struct acpi_pmtt_physical_component {
1594 	struct acpi_pmtt_header header;
1595 	u32 bios_handle;
1596 };
1597 
1598 /* 0xFF: Vendor Specific Data */
1599 
1600 struct acpi_pmtt_vendor_specific {
1601 	struct acpi_pmtt_header header;
1602 	u8 type_uuid[16];
1603 	u8 specific[];
1604 	/*
1605 	 * Immediately followed by:
1606 	 * u8 vendor_specific_data[];
1607 	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
1608 	 */
1609 };
1610 
1611 /*******************************************************************************
1612  *
1613  * PPTT - Processor Properties Topology Table (ACPI 6.2)
1614  *        Version 1
1615  *
1616  ******************************************************************************/
1617 
1618 struct acpi_table_pptt {
1619 	struct acpi_table_header header;	/* Common ACPI table header */
1620 };
1621 
1622 /* Values for Type field above */
1623 
1624 enum acpi_pptt_type {
1625 	ACPI_PPTT_TYPE_PROCESSOR = 0,
1626 	ACPI_PPTT_TYPE_CACHE = 1,
1627 	ACPI_PPTT_TYPE_ID = 2,
1628 	ACPI_PPTT_TYPE_RESERVED = 3
1629 };
1630 
1631 /* 0: Processor Hierarchy Node Structure */
1632 
1633 struct acpi_pptt_processor {
1634 	struct acpi_subtable_header header;
1635 	u16 reserved;
1636 	u32 flags;
1637 	u32 parent;
1638 	u32 acpi_processor_id;
1639 	u32 number_of_priv_resources;
1640 };
1641 
1642 /* Flags */
1643 
1644 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
1645 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
1646 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
1647 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
1648 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
1649 
1650 /* 1: Cache Type Structure */
1651 
1652 struct acpi_pptt_cache {
1653 	struct acpi_subtable_header header;
1654 	u16 reserved;
1655 	u32 flags;
1656 	u32 next_level_of_cache;
1657 	u32 size;
1658 	u32 number_of_sets;
1659 	u8 associativity;
1660 	u8 attributes;
1661 	u16 line_size;
1662 };
1663 
1664 /* 1: Cache Type Structure for PPTT version 3 */
1665 
1666 struct acpi_pptt_cache_v1 {
1667 	u32 cache_id;
1668 };
1669 
1670 /* Flags */
1671 
1672 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
1673 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
1674 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
1675 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
1676 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
1677 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
1678 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
1679 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
1680 
1681 /* Masks for Attributes */
1682 
1683 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
1684 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
1685 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
1686 
1687 /* Attributes describing cache */
1688 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
1689 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
1690 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
1691 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
1692 
1693 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
1694 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
1695 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
1696 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
1697 
1698 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
1699 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
1700 
1701 /* 2: ID Structure */
1702 
1703 struct acpi_pptt_id {
1704 	struct acpi_subtable_header header;
1705 	u16 reserved;
1706 	u32 vendor_id;
1707 	u64 level1_id;
1708 	u64 level2_id;
1709 	u16 major_rev;
1710 	u16 minor_rev;
1711 	u16 spin_rev;
1712 };
1713 
1714 /*******************************************************************************
1715  *
1716  * PRMT - Platform Runtime Mechanism Table
1717  *        Version 1
1718  *
1719  ******************************************************************************/
1720 
1721 struct acpi_table_prmt {
1722 	struct acpi_table_header header;	/* Common ACPI table header */
1723 };
1724 
1725 struct acpi_table_prmt_header {
1726 	u8 platform_guid[16];
1727 	u32 module_info_offset;
1728 	u32 module_info_count;
1729 };
1730 
1731 struct acpi_prmt_module_header {
1732 	u16 revision;
1733 	u16 length;
1734 };
1735 
1736 struct acpi_prmt_module_info {
1737 	u16 revision;
1738 	u16 length;
1739 	u8 module_guid[16];
1740 	u16 major_rev;
1741 	u16 minor_rev;
1742 	u16 handler_info_count;
1743 	u32 handler_info_offset;
1744 	u64 mmio_list_pointer;
1745 };
1746 
1747 struct acpi_prmt_handler_info {
1748 	u16 revision;
1749 	u16 length;
1750 	u8 handler_guid[16];
1751 	u64 handler_address;
1752 	u64 static_data_buffer_address;
1753 	u64 acpi_param_buffer_address;
1754 };
1755 
1756 /*******************************************************************************
1757  *
1758  * RASF - RAS Feature Table (ACPI 5.0)
1759  *        Version 1
1760  *
1761  ******************************************************************************/
1762 
1763 struct acpi_table_rasf {
1764 	struct acpi_table_header header;	/* Common ACPI table header */
1765 	u8 channel_id[12];
1766 };
1767 
1768 /* RASF Platform Communication Channel Shared Memory Region */
1769 
1770 struct acpi_rasf_shared_memory {
1771 	u32 signature;
1772 	u16 command;
1773 	u16 status;
1774 	u16 version;
1775 	u8 capabilities[16];
1776 	u8 set_capabilities[16];
1777 	u16 num_parameter_blocks;
1778 	u32 set_capabilities_status;
1779 };
1780 
1781 /* RASF Parameter Block Structure Header */
1782 
1783 struct acpi_rasf_parameter_block {
1784 	u16 type;
1785 	u16 version;
1786 	u16 length;
1787 };
1788 
1789 /* RASF Parameter Block Structure for PATROL_SCRUB */
1790 
1791 struct acpi_rasf_patrol_scrub_parameter {
1792 	struct acpi_rasf_parameter_block header;
1793 	u16 patrol_scrub_command;
1794 	u64 requested_address_range[2];
1795 	u64 actual_address_range[2];
1796 	u16 flags;
1797 	u8 requested_speed;
1798 };
1799 
1800 /* Masks for Flags and Speed fields above */
1801 
1802 #define ACPI_RASF_SCRUBBER_RUNNING      1
1803 #define ACPI_RASF_SPEED                 (7<<1)
1804 #define ACPI_RASF_SPEED_SLOW            (0<<1)
1805 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
1806 #define ACPI_RASF_SPEED_FAST            (7<<1)
1807 
1808 /* Channel Commands */
1809 
1810 enum acpi_rasf_commands {
1811 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
1812 };
1813 
1814 /* Platform RAS Capabilities */
1815 
1816 enum acpi_rasf_capabiliities {
1817 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
1818 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
1819 };
1820 
1821 /* Patrol Scrub Commands */
1822 
1823 enum acpi_rasf_patrol_scrub_commands {
1824 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
1825 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
1826 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
1827 };
1828 
1829 /* Channel Command flags */
1830 
1831 #define ACPI_RASF_GENERATE_SCI          (1<<15)
1832 
1833 /* Status values */
1834 
1835 enum acpi_rasf_status {
1836 	ACPI_RASF_SUCCESS = 0,
1837 	ACPI_RASF_NOT_VALID = 1,
1838 	ACPI_RASF_NOT_SUPPORTED = 2,
1839 	ACPI_RASF_BUSY = 3,
1840 	ACPI_RASF_FAILED = 4,
1841 	ACPI_RASF_ABORTED = 5,
1842 	ACPI_RASF_INVALID_DATA = 6
1843 };
1844 
1845 /* Status flags */
1846 
1847 #define ACPI_RASF_COMMAND_COMPLETE      (1)
1848 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
1849 #define ACPI_RASF_ERROR                 (1<<2)
1850 #define ACPI_RASF_STATUS                (0x1F<<3)
1851 
1852 /*******************************************************************************
1853  *
1854  * RGRT - Regulatory Graphics Resource Table
1855  *        Version 1
1856  *
1857  * Conforms to "ACPI RGRT" available at:
1858  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
1859  *
1860  ******************************************************************************/
1861 
1862 struct acpi_table_rgrt {
1863 	struct acpi_table_header header;	/* Common ACPI table header */
1864 	u16 version;
1865 	u8 image_type;
1866 	u8 reserved;
1867 	u8 image[0];
1868 };
1869 
1870 /* image_type values */
1871 
1872 enum acpi_rgrt_image_type {
1873 	ACPI_RGRT_TYPE_RESERVED0 = 0,
1874 	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
1875 	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
1876 };
1877 
1878 /*******************************************************************************
1879  *
1880  * SBST - Smart Battery Specification Table
1881  *        Version 1
1882  *
1883  ******************************************************************************/
1884 
1885 struct acpi_table_sbst {
1886 	struct acpi_table_header header;	/* Common ACPI table header */
1887 	u32 warning_level;
1888 	u32 low_level;
1889 	u32 critical_level;
1890 };
1891 
1892 /*******************************************************************************
1893  *
1894  * SDEI - Software Delegated Exception Interface Descriptor Table
1895  *
1896  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
1897  * May 8th, 2017. Copyright 2017 ARM Ltd.
1898  *
1899  ******************************************************************************/
1900 
1901 struct acpi_table_sdei {
1902 	struct acpi_table_header header;	/* Common ACPI table header */
1903 };
1904 
1905 /*******************************************************************************
1906  *
1907  * SDEV - Secure Devices Table (ACPI 6.2)
1908  *        Version 1
1909  *
1910  ******************************************************************************/
1911 
1912 struct acpi_table_sdev {
1913 	struct acpi_table_header header;	/* Common ACPI table header */
1914 };
1915 
1916 struct acpi_sdev_header {
1917 	u8 type;
1918 	u8 flags;
1919 	u16 length;
1920 };
1921 
1922 /* Values for subtable type above */
1923 
1924 enum acpi_sdev_type {
1925 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
1926 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
1927 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
1928 };
1929 
1930 /* Values for flags above */
1931 
1932 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
1933 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
1934 
1935 /*
1936  * SDEV subtables
1937  */
1938 
1939 /* 0: Namespace Device Based Secure Device Structure */
1940 
1941 struct acpi_sdev_namespace {
1942 	struct acpi_sdev_header header;
1943 	u16 device_id_offset;
1944 	u16 device_id_length;
1945 	u16 vendor_data_offset;
1946 	u16 vendor_data_length;
1947 };
1948 
1949 struct acpi_sdev_secure_component {
1950 	u16 secure_component_offset;
1951 	u16 secure_component_length;
1952 };
1953 
1954 /*
1955  * SDEV sub-subtables ("Components") for above
1956  */
1957 struct acpi_sdev_component {
1958 	struct acpi_sdev_header header;
1959 };
1960 
1961 /* Values for sub-subtable type above */
1962 
1963 enum acpi_sac_type {
1964 	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
1965 	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
1966 };
1967 
1968 struct acpi_sdev_id_component {
1969 	struct acpi_sdev_header header;
1970 	u16 hardware_id_offset;
1971 	u16 hardware_id_length;
1972 	u16 subsystem_id_offset;
1973 	u16 subsystem_id_length;
1974 	u16 hardware_revision;
1975 	u8 hardware_rev_present;
1976 	u8 class_code_present;
1977 	u8 pci_base_class;
1978 	u8 pci_sub_class;
1979 	u8 pci_programming_xface;
1980 };
1981 
1982 struct acpi_sdev_mem_component {
1983 	struct acpi_sdev_header header;
1984 	u32 reserved;
1985 	u64 memory_base_address;
1986 	u64 memory_length;
1987 };
1988 
1989 /* 1: PCIe Endpoint Device Based Device Structure */
1990 
1991 struct acpi_sdev_pcie {
1992 	struct acpi_sdev_header header;
1993 	u16 segment;
1994 	u16 start_bus;
1995 	u16 path_offset;
1996 	u16 path_length;
1997 	u16 vendor_data_offset;
1998 	u16 vendor_data_length;
1999 };
2000 
2001 /* 1a: PCIe Endpoint path entry */
2002 
2003 struct acpi_sdev_pcie_path {
2004 	u8 device;
2005 	u8 function;
2006 };
2007 
2008 /*******************************************************************************
2009  *
2010  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
2011  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
2012  *        Trust Domain Extensions (Intel TDX)".
2013  *        Version 1
2014  *
2015  ******************************************************************************/
2016 
2017 struct acpi_table_svkl {
2018 	struct acpi_table_header header;	/* Common ACPI table header */
2019 	u32 count;
2020 };
2021 
2022 struct acpi_svkl_key {
2023 	u16 type;
2024 	u16 format;
2025 	u32 size;
2026 	u64 address;
2027 };
2028 
2029 enum acpi_svkl_type {
2030 	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
2031 	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
2032 };
2033 
2034 enum acpi_svkl_format {
2035 	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
2036 	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
2037 };
2038 
2039 /* Reset to default packing */
2040 
2041 #pragma pack()
2042 
2043 #endif				/* __ACTBL2_H__ */
2044