xref: /openbmc/linux/include/acpi/actbl2.h (revision a5a92abb)
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 - 2018, 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_IORT           "IORT"	/* IO Remapping Table */
28 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
29 #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
30 #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
31 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
32 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
33 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
34 #define ACPI_SIG_MSCT           "MSCT"	/* Maximum System Characteristics Table */
35 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
36 #define ACPI_SIG_MTMR           "MTMR"	/* MID Timer 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_PMTT           "PMTT"	/* Platform Memory Topology Table */
41 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
42 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
43 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
44 #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
45 #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
46 
47 /*
48  * All tables must be byte-packed to match the ACPI specification, since
49  * the tables are provided by the system BIOS.
50  */
51 #pragma pack(1)
52 
53 /*
54  * Note: C bitfields are not used for this reason:
55  *
56  * "Bitfields are great and easy to read, but unfortunately the C language
57  * does not specify the layout of bitfields in memory, which means they are
58  * essentially useless for dealing with packed data in on-disk formats or
59  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
60  * this decision was a design error in C. Ritchie could have picked an order
61  * and stuck with it." Norman Ramsey.
62  * See http://stackoverflow.com/a/1053662/41661
63  */
64 
65 /*******************************************************************************
66  *
67  * IORT - IO Remapping Table
68  *
69  * Conforms to "IO Remapping Table System Software on ARM Platforms",
70  * Document number: ARM DEN 0049C, May 2017
71  *
72  ******************************************************************************/
73 
74 struct acpi_table_iort {
75 	struct acpi_table_header header;
76 	u32 node_count;
77 	u32 node_offset;
78 	u32 reserved;
79 };
80 
81 /*
82  * IORT subtables
83  */
84 struct acpi_iort_node {
85 	u8 type;
86 	u16 length;
87 	u8 revision;
88 	u32 reserved;
89 	u32 mapping_count;
90 	u32 mapping_offset;
91 	char node_data[1];
92 };
93 
94 /* Values for subtable Type above */
95 
96 enum acpi_iort_node_type {
97 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
98 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
99 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
100 	ACPI_IORT_NODE_SMMU = 0x03,
101 	ACPI_IORT_NODE_SMMU_V3 = 0x04
102 };
103 
104 struct acpi_iort_id_mapping {
105 	u32 input_base;		/* Lowest value in input range */
106 	u32 id_count;		/* Number of IDs */
107 	u32 output_base;	/* Lowest value in output range */
108 	u32 output_reference;	/* A reference to the output node */
109 	u32 flags;
110 };
111 
112 /* Masks for Flags field above for IORT subtable */
113 
114 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
115 
116 struct acpi_iort_memory_access {
117 	u32 cache_coherency;
118 	u8 hints;
119 	u16 reserved;
120 	u8 memory_flags;
121 };
122 
123 /* Values for cache_coherency field above */
124 
125 #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
126 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
127 
128 /* Masks for Hints field above */
129 
130 #define ACPI_IORT_HT_TRANSIENT          (1)
131 #define ACPI_IORT_HT_WRITE              (1<<1)
132 #define ACPI_IORT_HT_READ               (1<<2)
133 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
134 
135 /* Masks for memory_flags field above */
136 
137 #define ACPI_IORT_MF_COHERENCY          (1)
138 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
139 
140 /*
141  * IORT node specific subtables
142  */
143 struct acpi_iort_its_group {
144 	u32 its_count;
145 	u32 identifiers[1];	/* GIC ITS identifier arrary */
146 };
147 
148 struct acpi_iort_named_component {
149 	u32 node_flags;
150 	u64 memory_properties;	/* Memory access properties */
151 	u8 memory_address_limit;	/* Memory address size limit */
152 	char device_name[1];	/* Path of namespace object */
153 };
154 
155 struct acpi_iort_root_complex {
156 	u64 memory_properties;	/* Memory access properties */
157 	u32 ats_attribute;
158 	u32 pci_segment_number;
159 };
160 
161 /* Values for ats_attribute field above */
162 
163 #define ACPI_IORT_ATS_SUPPORTED         0x00000001	/* The root complex supports ATS */
164 #define ACPI_IORT_ATS_UNSUPPORTED       0x00000000	/* The root complex doesn't support ATS */
165 
166 struct acpi_iort_smmu {
167 	u64 base_address;	/* SMMU base address */
168 	u64 span;		/* Length of memory range */
169 	u32 model;
170 	u32 flags;
171 	u32 global_interrupt_offset;
172 	u32 context_interrupt_count;
173 	u32 context_interrupt_offset;
174 	u32 pmu_interrupt_count;
175 	u32 pmu_interrupt_offset;
176 	u64 interrupts[1];	/* Interrupt array */
177 };
178 
179 /* Values for Model field above */
180 
181 #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
182 #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
183 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
184 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
185 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
186 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
187 
188 /* Masks for Flags field above */
189 
190 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
191 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
192 
193 /* Global interrupt format */
194 
195 struct acpi_iort_smmu_gsi {
196 	u32 nsg_irpt;
197 	u32 nsg_irpt_flags;
198 	u32 nsg_cfg_irpt;
199 	u32 nsg_cfg_irpt_flags;
200 };
201 
202 struct acpi_iort_smmu_v3 {
203 	u64 base_address;	/* SMMUv3 base address */
204 	u32 flags;
205 	u32 reserved;
206 	u64 vatos_address;
207 	u32 model;
208 	u32 event_gsiv;
209 	u32 pri_gsiv;
210 	u32 gerr_gsiv;
211 	u32 sync_gsiv;
212 	u8 pxm;
213 	u8 reserved1;
214 	u16 reserved2;
215 	u32 id_mapping_index;
216 };
217 
218 /* Values for Model field above */
219 
220 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
221 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
222 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
223 
224 /* Masks for Flags field above */
225 
226 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
227 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (1<<1)
228 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
229 
230 /*******************************************************************************
231  *
232  * IVRS - I/O Virtualization Reporting Structure
233  *        Version 1
234  *
235  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
236  * Revision 1.26, February 2009.
237  *
238  ******************************************************************************/
239 
240 struct acpi_table_ivrs {
241 	struct acpi_table_header header;	/* Common ACPI table header */
242 	u32 info;		/* Common virtualization info */
243 	u64 reserved;
244 };
245 
246 /* Values for Info field above */
247 
248 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
249 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
250 #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
251 
252 /* IVRS subtable header */
253 
254 struct acpi_ivrs_header {
255 	u8 type;		/* Subtable type */
256 	u8 flags;
257 	u16 length;		/* Subtable length */
258 	u16 device_id;		/* ID of IOMMU */
259 };
260 
261 /* Values for subtable Type above */
262 
263 enum acpi_ivrs_type {
264 	ACPI_IVRS_TYPE_HARDWARE = 0x10,
265 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
266 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
267 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
268 };
269 
270 /* Masks for Flags field above for IVHD subtable */
271 
272 #define ACPI_IVHD_TT_ENABLE         (1)
273 #define ACPI_IVHD_PASS_PW           (1<<1)
274 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
275 #define ACPI_IVHD_ISOC              (1<<3)
276 #define ACPI_IVHD_IOTLB             (1<<4)
277 
278 /* Masks for Flags field above for IVMD subtable */
279 
280 #define ACPI_IVMD_UNITY             (1)
281 #define ACPI_IVMD_READ              (1<<1)
282 #define ACPI_IVMD_WRITE             (1<<2)
283 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
284 
285 /*
286  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
287  */
288 
289 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
290 
291 struct acpi_ivrs_hardware {
292 	struct acpi_ivrs_header header;
293 	u16 capability_offset;	/* Offset for IOMMU control fields */
294 	u64 base_address;	/* IOMMU control registers */
295 	u16 pci_segment_group;
296 	u16 info;		/* MSI number and unit ID */
297 	u32 reserved;
298 };
299 
300 /* Masks for Info field above */
301 
302 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
303 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
304 
305 /*
306  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
307  * Upper two bits of the Type field are the (encoded) length of the structure.
308  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
309  * are reserved for future use but not defined.
310  */
311 struct acpi_ivrs_de_header {
312 	u8 type;
313 	u16 id;
314 	u8 data_setting;
315 };
316 
317 /* Length of device entry is in the top two bits of Type field above */
318 
319 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
320 
321 /* Values for device entry Type field above */
322 
323 enum acpi_ivrs_device_entry_type {
324 	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
325 
326 	ACPI_IVRS_TYPE_PAD4 = 0,
327 	ACPI_IVRS_TYPE_ALL = 1,
328 	ACPI_IVRS_TYPE_SELECT = 2,
329 	ACPI_IVRS_TYPE_START = 3,
330 	ACPI_IVRS_TYPE_END = 4,
331 
332 	/* 8-byte device entries */
333 
334 	ACPI_IVRS_TYPE_PAD8 = 64,
335 	ACPI_IVRS_TYPE_NOT_USED = 65,
336 	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
337 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
338 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
339 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
340 	ACPI_IVRS_TYPE_SPECIAL = 72	/* Uses struct acpi_ivrs_device8c */
341 };
342 
343 /* Values for Data field above */
344 
345 #define ACPI_IVHD_INIT_PASS         (1)
346 #define ACPI_IVHD_EINT_PASS         (1<<1)
347 #define ACPI_IVHD_NMI_PASS          (1<<2)
348 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
349 #define ACPI_IVHD_LINT0_PASS        (1<<6)
350 #define ACPI_IVHD_LINT1_PASS        (1<<7)
351 
352 /* Types 0-4: 4-byte device entry */
353 
354 struct acpi_ivrs_device4 {
355 	struct acpi_ivrs_de_header header;
356 };
357 
358 /* Types 66-67: 8-byte device entry */
359 
360 struct acpi_ivrs_device8a {
361 	struct acpi_ivrs_de_header header;
362 	u8 reserved1;
363 	u16 used_id;
364 	u8 reserved2;
365 };
366 
367 /* Types 70-71: 8-byte device entry */
368 
369 struct acpi_ivrs_device8b {
370 	struct acpi_ivrs_de_header header;
371 	u32 extended_data;
372 };
373 
374 /* Values for extended_data above */
375 
376 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
377 
378 /* Type 72: 8-byte device entry */
379 
380 struct acpi_ivrs_device8c {
381 	struct acpi_ivrs_de_header header;
382 	u8 handle;
383 	u16 used_id;
384 	u8 variety;
385 };
386 
387 /* Values for Variety field above */
388 
389 #define ACPI_IVHD_IOAPIC            1
390 #define ACPI_IVHD_HPET              2
391 
392 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
393 
394 struct acpi_ivrs_memory {
395 	struct acpi_ivrs_header header;
396 	u16 aux_data;
397 	u64 reserved;
398 	u64 start_address;
399 	u64 memory_length;
400 };
401 
402 /*******************************************************************************
403  *
404  * LPIT - Low Power Idle Table
405  *
406  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
407  *
408  ******************************************************************************/
409 
410 struct acpi_table_lpit {
411 	struct acpi_table_header header;	/* Common ACPI table header */
412 };
413 
414 /* LPIT subtable header */
415 
416 struct acpi_lpit_header {
417 	u32 type;		/* Subtable type */
418 	u32 length;		/* Subtable length */
419 	u16 unique_id;
420 	u16 reserved;
421 	u32 flags;
422 };
423 
424 /* Values for subtable Type above */
425 
426 enum acpi_lpit_type {
427 	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
428 	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
429 };
430 
431 /* Masks for Flags field above  */
432 
433 #define ACPI_LPIT_STATE_DISABLED    (1)
434 #define ACPI_LPIT_NO_COUNTER        (1<<1)
435 
436 /*
437  * LPIT subtables, correspond to Type in struct acpi_lpit_header
438  */
439 
440 /* 0x00: Native C-state instruction based LPI structure */
441 
442 struct acpi_lpit_native {
443 	struct acpi_lpit_header header;
444 	struct acpi_generic_address entry_trigger;
445 	u32 residency;
446 	u32 latency;
447 	struct acpi_generic_address residency_counter;
448 	u64 counter_frequency;
449 };
450 
451 /*******************************************************************************
452  *
453  * MADT - Multiple APIC Description Table
454  *        Version 3
455  *
456  ******************************************************************************/
457 
458 struct acpi_table_madt {
459 	struct acpi_table_header header;	/* Common ACPI table header */
460 	u32 address;		/* Physical address of local APIC */
461 	u32 flags;
462 };
463 
464 /* Masks for Flags field above */
465 
466 #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
467 
468 /* Values for PCATCompat flag */
469 
470 #define ACPI_MADT_DUAL_PIC          1
471 #define ACPI_MADT_MULTIPLE_APIC     0
472 
473 /* Values for MADT subtable type in struct acpi_subtable_header */
474 
475 enum acpi_madt_type {
476 	ACPI_MADT_TYPE_LOCAL_APIC = 0,
477 	ACPI_MADT_TYPE_IO_APIC = 1,
478 	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
479 	ACPI_MADT_TYPE_NMI_SOURCE = 3,
480 	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
481 	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
482 	ACPI_MADT_TYPE_IO_SAPIC = 6,
483 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
484 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
485 	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
486 	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
487 	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
488 	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
489 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
490 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
491 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
492 	ACPI_MADT_TYPE_RESERVED = 16	/* 16 and greater are reserved */
493 };
494 
495 /*
496  * MADT Subtables, correspond to Type in struct acpi_subtable_header
497  */
498 
499 /* 0: Processor Local APIC */
500 
501 struct acpi_madt_local_apic {
502 	struct acpi_subtable_header header;
503 	u8 processor_id;	/* ACPI processor id */
504 	u8 id;			/* Processor's local APIC id */
505 	u32 lapic_flags;
506 };
507 
508 /* 1: IO APIC */
509 
510 struct acpi_madt_io_apic {
511 	struct acpi_subtable_header header;
512 	u8 id;			/* I/O APIC ID */
513 	u8 reserved;		/* reserved - must be zero */
514 	u32 address;		/* APIC physical address */
515 	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
516 };
517 
518 /* 2: Interrupt Override */
519 
520 struct acpi_madt_interrupt_override {
521 	struct acpi_subtable_header header;
522 	u8 bus;			/* 0 - ISA */
523 	u8 source_irq;		/* Interrupt source (IRQ) */
524 	u32 global_irq;		/* Global system interrupt */
525 	u16 inti_flags;
526 };
527 
528 /* 3: NMI Source */
529 
530 struct acpi_madt_nmi_source {
531 	struct acpi_subtable_header header;
532 	u16 inti_flags;
533 	u32 global_irq;		/* Global system interrupt */
534 };
535 
536 /* 4: Local APIC NMI */
537 
538 struct acpi_madt_local_apic_nmi {
539 	struct acpi_subtable_header header;
540 	u8 processor_id;	/* ACPI processor id */
541 	u16 inti_flags;
542 	u8 lint;		/* LINTn to which NMI is connected */
543 };
544 
545 /* 5: Address Override */
546 
547 struct acpi_madt_local_apic_override {
548 	struct acpi_subtable_header header;
549 	u16 reserved;		/* Reserved, must be zero */
550 	u64 address;		/* APIC physical address */
551 };
552 
553 /* 6: I/O Sapic */
554 
555 struct acpi_madt_io_sapic {
556 	struct acpi_subtable_header header;
557 	u8 id;			/* I/O SAPIC ID */
558 	u8 reserved;		/* Reserved, must be zero */
559 	u32 global_irq_base;	/* Global interrupt for SAPIC start */
560 	u64 address;		/* SAPIC physical address */
561 };
562 
563 /* 7: Local Sapic */
564 
565 struct acpi_madt_local_sapic {
566 	struct acpi_subtable_header header;
567 	u8 processor_id;	/* ACPI processor id */
568 	u8 id;			/* SAPIC ID */
569 	u8 eid;			/* SAPIC EID */
570 	u8 reserved[3];		/* Reserved, must be zero */
571 	u32 lapic_flags;
572 	u32 uid;		/* Numeric UID - ACPI 3.0 */
573 	char uid_string[1];	/* String UID  - ACPI 3.0 */
574 };
575 
576 /* 8: Platform Interrupt Source */
577 
578 struct acpi_madt_interrupt_source {
579 	struct acpi_subtable_header header;
580 	u16 inti_flags;
581 	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
582 	u8 id;			/* Processor ID */
583 	u8 eid;			/* Processor EID */
584 	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
585 	u32 global_irq;		/* Global system interrupt */
586 	u32 flags;		/* Interrupt Source Flags */
587 };
588 
589 /* Masks for Flags field above */
590 
591 #define ACPI_MADT_CPEI_OVERRIDE     (1)
592 
593 /* 9: Processor Local X2APIC (ACPI 4.0) */
594 
595 struct acpi_madt_local_x2apic {
596 	struct acpi_subtable_header header;
597 	u16 reserved;		/* reserved - must be zero */
598 	u32 local_apic_id;	/* Processor x2APIC ID  */
599 	u32 lapic_flags;
600 	u32 uid;		/* ACPI processor UID */
601 };
602 
603 /* 10: Local X2APIC NMI (ACPI 4.0) */
604 
605 struct acpi_madt_local_x2apic_nmi {
606 	struct acpi_subtable_header header;
607 	u16 inti_flags;
608 	u32 uid;		/* ACPI processor UID */
609 	u8 lint;		/* LINTn to which NMI is connected */
610 	u8 reserved[3];		/* reserved - must be zero */
611 };
612 
613 /* 11: Generic Interrupt (ACPI 5.0 + ACPI 6.0 changes) */
614 
615 struct acpi_madt_generic_interrupt {
616 	struct acpi_subtable_header header;
617 	u16 reserved;		/* reserved - must be zero */
618 	u32 cpu_interface_number;
619 	u32 uid;
620 	u32 flags;
621 	u32 parking_version;
622 	u32 performance_interrupt;
623 	u64 parked_address;
624 	u64 base_address;
625 	u64 gicv_base_address;
626 	u64 gich_base_address;
627 	u32 vgic_interrupt;
628 	u64 gicr_base_address;
629 	u64 arm_mpidr;
630 	u8 efficiency_class;
631 	u8 reserved2[3];
632 };
633 
634 /* Masks for Flags field above */
635 
636 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
637 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
638 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
639 
640 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
641 
642 struct acpi_madt_generic_distributor {
643 	struct acpi_subtable_header header;
644 	u16 reserved;		/* reserved - must be zero */
645 	u32 gic_id;
646 	u64 base_address;
647 	u32 global_irq_base;
648 	u8 version;
649 	u8 reserved2[3];	/* reserved - must be zero */
650 };
651 
652 /* Values for Version field above */
653 
654 enum acpi_madt_gic_version {
655 	ACPI_MADT_GIC_VERSION_NONE = 0,
656 	ACPI_MADT_GIC_VERSION_V1 = 1,
657 	ACPI_MADT_GIC_VERSION_V2 = 2,
658 	ACPI_MADT_GIC_VERSION_V3 = 3,
659 	ACPI_MADT_GIC_VERSION_V4 = 4,
660 	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
661 };
662 
663 /* 13: Generic MSI Frame (ACPI 5.1) */
664 
665 struct acpi_madt_generic_msi_frame {
666 	struct acpi_subtable_header header;
667 	u16 reserved;		/* reserved - must be zero */
668 	u32 msi_frame_id;
669 	u64 base_address;
670 	u32 flags;
671 	u16 spi_count;
672 	u16 spi_base;
673 };
674 
675 /* Masks for Flags field above */
676 
677 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
678 
679 /* 14: Generic Redistributor (ACPI 5.1) */
680 
681 struct acpi_madt_generic_redistributor {
682 	struct acpi_subtable_header header;
683 	u16 reserved;		/* reserved - must be zero */
684 	u64 base_address;
685 	u32 length;
686 };
687 
688 /* 15: Generic Translator (ACPI 6.0) */
689 
690 struct acpi_madt_generic_translator {
691 	struct acpi_subtable_header header;
692 	u16 reserved;		/* reserved - must be zero */
693 	u32 translation_id;
694 	u64 base_address;
695 	u32 reserved2;
696 };
697 
698 /*
699  * Common flags fields for MADT subtables
700  */
701 
702 /* MADT Local APIC flags */
703 
704 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
705 
706 /* MADT MPS INTI flags (inti_flags) */
707 
708 #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
709 #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
710 
711 /* Values for MPS INTI flags */
712 
713 #define ACPI_MADT_POLARITY_CONFORMS       0
714 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
715 #define ACPI_MADT_POLARITY_RESERVED       2
716 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
717 
718 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
719 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
720 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
721 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
722 
723 /*******************************************************************************
724  *
725  * MCFG - PCI Memory Mapped Configuration table and subtable
726  *        Version 1
727  *
728  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
729  *
730  ******************************************************************************/
731 
732 struct acpi_table_mcfg {
733 	struct acpi_table_header header;	/* Common ACPI table header */
734 	u8 reserved[8];
735 };
736 
737 /* Subtable */
738 
739 struct acpi_mcfg_allocation {
740 	u64 address;		/* Base address, processor-relative */
741 	u16 pci_segment;	/* PCI segment group number */
742 	u8 start_bus_number;	/* Starting PCI Bus number */
743 	u8 end_bus_number;	/* Final PCI Bus number */
744 	u32 reserved;
745 };
746 
747 /*******************************************************************************
748  *
749  * MCHI - Management Controller Host Interface Table
750  *        Version 1
751  *
752  * Conforms to "Management Component Transport Protocol (MCTP) Host
753  * Interface Specification", Revision 1.0.0a, October 13, 2009
754  *
755  ******************************************************************************/
756 
757 struct acpi_table_mchi {
758 	struct acpi_table_header header;	/* Common ACPI table header */
759 	u8 interface_type;
760 	u8 protocol;
761 	u64 protocol_data;
762 	u8 interrupt_type;
763 	u8 gpe;
764 	u8 pci_device_flag;
765 	u32 global_interrupt;
766 	struct acpi_generic_address control_register;
767 	u8 pci_segment;
768 	u8 pci_bus;
769 	u8 pci_device;
770 	u8 pci_function;
771 };
772 
773 /*******************************************************************************
774  *
775  * MPST - Memory Power State Table (ACPI 5.0)
776  *        Version 1
777  *
778  ******************************************************************************/
779 
780 #define ACPI_MPST_CHANNEL_INFO \
781 	u8                              channel_id; \
782 	u8                              reserved1[3]; \
783 	u16                             power_node_count; \
784 	u16                             reserved2;
785 
786 /* Main table */
787 
788 struct acpi_table_mpst {
789 	struct acpi_table_header header;	/* Common ACPI table header */
790 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
791 };
792 
793 /* Memory Platform Communication Channel Info */
794 
795 struct acpi_mpst_channel {
796 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
797 };
798 
799 /* Memory Power Node Structure */
800 
801 struct acpi_mpst_power_node {
802 	u8 flags;
803 	u8 reserved1;
804 	u16 node_id;
805 	u32 length;
806 	u64 range_address;
807 	u64 range_length;
808 	u32 num_power_states;
809 	u32 num_physical_components;
810 };
811 
812 /* Values for Flags field above */
813 
814 #define ACPI_MPST_ENABLED               1
815 #define ACPI_MPST_POWER_MANAGED         2
816 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
817 
818 /* Memory Power State Structure (follows POWER_NODE above) */
819 
820 struct acpi_mpst_power_state {
821 	u8 power_state;
822 	u8 info_index;
823 };
824 
825 /* Physical Component ID Structure (follows POWER_STATE above) */
826 
827 struct acpi_mpst_component {
828 	u16 component_id;
829 };
830 
831 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
832 
833 struct acpi_mpst_data_hdr {
834 	u16 characteristics_count;
835 	u16 reserved;
836 };
837 
838 struct acpi_mpst_power_data {
839 	u8 structure_id;
840 	u8 flags;
841 	u16 reserved1;
842 	u32 average_power;
843 	u32 power_saving;
844 	u64 exit_latency;
845 	u64 reserved2;
846 };
847 
848 /* Values for Flags field above */
849 
850 #define ACPI_MPST_PRESERVE              1
851 #define ACPI_MPST_AUTOENTRY             2
852 #define ACPI_MPST_AUTOEXIT              4
853 
854 /* Shared Memory Region (not part of an ACPI table) */
855 
856 struct acpi_mpst_shared {
857 	u32 signature;
858 	u16 pcc_command;
859 	u16 pcc_status;
860 	u32 command_register;
861 	u32 status_register;
862 	u32 power_state_id;
863 	u32 power_node_id;
864 	u64 energy_consumed;
865 	u64 average_power;
866 };
867 
868 /*******************************************************************************
869  *
870  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
871  *        Version 1
872  *
873  ******************************************************************************/
874 
875 struct acpi_table_msct {
876 	struct acpi_table_header header;	/* Common ACPI table header */
877 	u32 proximity_offset;	/* Location of proximity info struct(s) */
878 	u32 max_proximity_domains;	/* Max number of proximity domains */
879 	u32 max_clock_domains;	/* Max number of clock domains */
880 	u64 max_address;	/* Max physical address in system */
881 };
882 
883 /* subtable - Maximum Proximity Domain Information. Version 1 */
884 
885 struct acpi_msct_proximity {
886 	u8 revision;
887 	u8 length;
888 	u32 range_start;	/* Start of domain range */
889 	u32 range_end;		/* End of domain range */
890 	u32 processor_capacity;
891 	u64 memory_capacity;	/* In bytes */
892 };
893 
894 /*******************************************************************************
895  *
896  * MSDM - Microsoft Data Management table
897  *
898  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
899  * November 29, 2011. Copyright 2011 Microsoft
900  *
901  ******************************************************************************/
902 
903 /* Basic MSDM table is only the common ACPI header */
904 
905 struct acpi_table_msdm {
906 	struct acpi_table_header header;	/* Common ACPI table header */
907 };
908 
909 /*******************************************************************************
910  *
911  * MTMR - MID Timer Table
912  *        Version 1
913  *
914  * Conforms to "Simple Firmware Interface Specification",
915  * Draft 0.8.2, Oct 19, 2010
916  * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
917  *
918  ******************************************************************************/
919 
920 struct acpi_table_mtmr {
921 	struct acpi_table_header header;	/* Common ACPI table header */
922 };
923 
924 /* MTMR entry */
925 
926 struct acpi_mtmr_entry {
927 	struct acpi_generic_address physical_address;
928 	u32 frequency;
929 	u32 irq;
930 };
931 
932 /*******************************************************************************
933  *
934  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
935  *        Version 1
936  *
937  ******************************************************************************/
938 
939 struct acpi_table_nfit {
940 	struct acpi_table_header header;	/* Common ACPI table header */
941 	u32 reserved;		/* Reserved, must be zero */
942 };
943 
944 /* Subtable header for NFIT */
945 
946 struct acpi_nfit_header {
947 	u16 type;
948 	u16 length;
949 };
950 
951 /* Values for subtable type in struct acpi_nfit_header */
952 
953 enum acpi_nfit_type {
954 	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
955 	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
956 	ACPI_NFIT_TYPE_INTERLEAVE = 2,
957 	ACPI_NFIT_TYPE_SMBIOS = 3,
958 	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
959 	ACPI_NFIT_TYPE_DATA_REGION = 5,
960 	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
961 	ACPI_NFIT_TYPE_CAPABILITIES = 7,
962 	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
963 };
964 
965 /*
966  * NFIT Subtables
967  */
968 
969 /* 0: System Physical Address Range Structure */
970 
971 struct acpi_nfit_system_address {
972 	struct acpi_nfit_header header;
973 	u16 range_index;
974 	u16 flags;
975 	u32 reserved;		/* Reserved, must be zero */
976 	u32 proximity_domain;
977 	u8 range_guid[16];
978 	u64 address;
979 	u64 length;
980 	u64 memory_mapping;
981 };
982 
983 /* Flags */
984 
985 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
986 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
987 
988 /* Range Type GUIDs appear in the include/acuuid.h file */
989 
990 /* 1: Memory Device to System Address Range Map Structure */
991 
992 struct acpi_nfit_memory_map {
993 	struct acpi_nfit_header header;
994 	u32 device_handle;
995 	u16 physical_id;
996 	u16 region_id;
997 	u16 range_index;
998 	u16 region_index;
999 	u64 region_size;
1000 	u64 region_offset;
1001 	u64 address;
1002 	u16 interleave_index;
1003 	u16 interleave_ways;
1004 	u16 flags;
1005 	u16 reserved;		/* Reserved, must be zero */
1006 };
1007 
1008 /* Flags */
1009 
1010 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1011 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1012 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1013 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1014 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1015 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1016 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1017 
1018 /* 2: Interleave Structure */
1019 
1020 struct acpi_nfit_interleave {
1021 	struct acpi_nfit_header header;
1022 	u16 interleave_index;
1023 	u16 reserved;		/* Reserved, must be zero */
1024 	u32 line_count;
1025 	u32 line_size;
1026 	u32 line_offset[1];	/* Variable length */
1027 };
1028 
1029 /* 3: SMBIOS Management Information Structure */
1030 
1031 struct acpi_nfit_smbios {
1032 	struct acpi_nfit_header header;
1033 	u32 reserved;		/* Reserved, must be zero */
1034 	u8 data[1];		/* Variable length */
1035 };
1036 
1037 /* 4: NVDIMM Control Region Structure */
1038 
1039 struct acpi_nfit_control_region {
1040 	struct acpi_nfit_header header;
1041 	u16 region_index;
1042 	u16 vendor_id;
1043 	u16 device_id;
1044 	u16 revision_id;
1045 	u16 subsystem_vendor_id;
1046 	u16 subsystem_device_id;
1047 	u16 subsystem_revision_id;
1048 	u8 valid_fields;
1049 	u8 manufacturing_location;
1050 	u16 manufacturing_date;
1051 	u8 reserved[2];		/* Reserved, must be zero */
1052 	u32 serial_number;
1053 	u16 code;
1054 	u16 windows;
1055 	u64 window_size;
1056 	u64 command_offset;
1057 	u64 command_size;
1058 	u64 status_offset;
1059 	u64 status_size;
1060 	u16 flags;
1061 	u8 reserved1[6];	/* Reserved, must be zero */
1062 };
1063 
1064 /* Flags */
1065 
1066 #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1067 
1068 /* valid_fields bits */
1069 
1070 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1071 
1072 /* 5: NVDIMM Block Data Window Region Structure */
1073 
1074 struct acpi_nfit_data_region {
1075 	struct acpi_nfit_header header;
1076 	u16 region_index;
1077 	u16 windows;
1078 	u64 offset;
1079 	u64 size;
1080 	u64 capacity;
1081 	u64 start_address;
1082 };
1083 
1084 /* 6: Flush Hint Address Structure */
1085 
1086 struct acpi_nfit_flush_address {
1087 	struct acpi_nfit_header header;
1088 	u32 device_handle;
1089 	u16 hint_count;
1090 	u8 reserved[6];		/* Reserved, must be zero */
1091 	u64 hint_address[1];	/* Variable length */
1092 };
1093 
1094 /* 7: Platform Capabilities Structure */
1095 
1096 struct acpi_nfit_capabilities {
1097 	struct acpi_nfit_header header;
1098 	u8 highest_capability;
1099 	u8 reserved[3];		/* Reserved, must be zero */
1100 	u32 capabilities;
1101 	u32 reserved2;
1102 };
1103 
1104 /* Capabilities Flags */
1105 
1106 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1107 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1108 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1109 
1110 /*
1111  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1112  */
1113 struct nfit_device_handle {
1114 	u32 handle;
1115 };
1116 
1117 /* Device handle construction and extraction macros */
1118 
1119 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1120 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1121 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1122 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1123 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1124 
1125 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1126 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1127 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1128 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1129 #define ACPI_NFIT_NODE_ID_OFFSET                16
1130 
1131 /* Macro to construct a NFIT/NVDIMM device handle */
1132 
1133 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1134 	((dimm)                                         | \
1135 	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1136 	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1137 	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1138 	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1139 
1140 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1141 
1142 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1143 	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1144 
1145 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1146 	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1147 
1148 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1149 	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1150 
1151 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1152 	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1153 
1154 #define ACPI_NFIT_GET_NODE_ID(handle) \
1155 	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1156 
1157 /*******************************************************************************
1158  *
1159  * PCCT - Platform Communications Channel Table (ACPI 5.0)
1160  *        Version 2 (ACPI 6.2)
1161  *
1162  ******************************************************************************/
1163 
1164 struct acpi_table_pcct {
1165 	struct acpi_table_header header;	/* Common ACPI table header */
1166 	u32 flags;
1167 	u64 reserved;
1168 };
1169 
1170 /* Values for Flags field above */
1171 
1172 #define ACPI_PCCT_DOORBELL              1
1173 
1174 /* Values for subtable type in struct acpi_subtable_header */
1175 
1176 enum acpi_pcct_type {
1177 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1178 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1179 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
1180 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
1181 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
1182 	ACPI_PCCT_TYPE_RESERVED = 5	/* 5 and greater are reserved */
1183 };
1184 
1185 /*
1186  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1187  */
1188 
1189 /* 0: Generic Communications Subspace */
1190 
1191 struct acpi_pcct_subspace {
1192 	struct acpi_subtable_header header;
1193 	u8 reserved[6];
1194 	u64 base_address;
1195 	u64 length;
1196 	struct acpi_generic_address doorbell_register;
1197 	u64 preserve_mask;
1198 	u64 write_mask;
1199 	u32 latency;
1200 	u32 max_access_rate;
1201 	u16 min_turnaround_time;
1202 };
1203 
1204 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1205 
1206 struct acpi_pcct_hw_reduced {
1207 	struct acpi_subtable_header header;
1208 	u32 platform_interrupt;
1209 	u8 flags;
1210 	u8 reserved;
1211 	u64 base_address;
1212 	u64 length;
1213 	struct acpi_generic_address doorbell_register;
1214 	u64 preserve_mask;
1215 	u64 write_mask;
1216 	u32 latency;
1217 	u32 max_access_rate;
1218 	u16 min_turnaround_time;
1219 };
1220 
1221 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1222 
1223 struct acpi_pcct_hw_reduced_type2 {
1224 	struct acpi_subtable_header header;
1225 	u32 platform_interrupt;
1226 	u8 flags;
1227 	u8 reserved;
1228 	u64 base_address;
1229 	u64 length;
1230 	struct acpi_generic_address doorbell_register;
1231 	u64 preserve_mask;
1232 	u64 write_mask;
1233 	u32 latency;
1234 	u32 max_access_rate;
1235 	u16 min_turnaround_time;
1236 	struct acpi_generic_address platform_ack_register;
1237 	u64 ack_preserve_mask;
1238 	u64 ack_write_mask;
1239 };
1240 
1241 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1242 
1243 struct acpi_pcct_ext_pcc_master {
1244 	struct acpi_subtable_header header;
1245 	u32 platform_interrupt;
1246 	u8 flags;
1247 	u8 reserved1;
1248 	u64 base_address;
1249 	u32 length;
1250 	struct acpi_generic_address doorbell_register;
1251 	u64 preserve_mask;
1252 	u64 write_mask;
1253 	u32 latency;
1254 	u32 max_access_rate;
1255 	u32 min_turnaround_time;
1256 	struct acpi_generic_address platform_ack_register;
1257 	u64 ack_preserve_mask;
1258 	u64 ack_set_mask;
1259 	u64 reserved2;
1260 	struct acpi_generic_address cmd_complete_register;
1261 	u64 cmd_complete_mask;
1262 	struct acpi_generic_address cmd_update_register;
1263 	u64 cmd_update_preserve_mask;
1264 	u64 cmd_update_set_mask;
1265 	struct acpi_generic_address error_status_register;
1266 	u64 error_status_mask;
1267 };
1268 
1269 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1270 
1271 struct acpi_pcct_ext_pcc_slave {
1272 	struct acpi_subtable_header header;
1273 	u32 platform_interrupt;
1274 	u8 flags;
1275 	u8 reserved1;
1276 	u64 base_address;
1277 	u32 length;
1278 	struct acpi_generic_address doorbell_register;
1279 	u64 preserve_mask;
1280 	u64 write_mask;
1281 	u32 latency;
1282 	u32 max_access_rate;
1283 	u32 min_turnaround_time;
1284 	struct acpi_generic_address platform_ack_register;
1285 	u64 ack_preserve_mask;
1286 	u64 ack_set_mask;
1287 	u64 reserved2;
1288 	struct acpi_generic_address cmd_complete_register;
1289 	u64 cmd_complete_mask;
1290 	struct acpi_generic_address cmd_update_register;
1291 	u64 cmd_update_preserve_mask;
1292 	u64 cmd_update_set_mask;
1293 	struct acpi_generic_address error_status_register;
1294 	u64 error_status_mask;
1295 };
1296 
1297 /* Values for doorbell flags above */
1298 
1299 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1300 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1301 
1302 /*
1303  * PCC memory structures (not part of the ACPI table)
1304  */
1305 
1306 /* Shared Memory Region */
1307 
1308 struct acpi_pcct_shared_memory {
1309 	u32 signature;
1310 	u16 command;
1311 	u16 status;
1312 };
1313 
1314 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1315 
1316 struct acpi_pcct_ext_pcc_shared_memory {
1317 	u32 signature;
1318 	u32 flags;
1319 	u32 length;
1320 	u32 command;
1321 };
1322 
1323 /*******************************************************************************
1324  *
1325  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1326  *        Version 0
1327  *
1328  ******************************************************************************/
1329 
1330 struct acpi_table_pdtt {
1331 	struct acpi_table_header header;	/* Common ACPI table header */
1332 	u8 trigger_count;
1333 	u8 reserved[3];
1334 	u32 array_offset;
1335 };
1336 
1337 /*
1338  * PDTT Communication Channel Identifier Structure.
1339  * The number of these structures is defined by trigger_count above,
1340  * starting at array_offset.
1341  */
1342 struct acpi_pdtt_channel {
1343 	u8 subchannel_id;
1344 	u8 flags;
1345 };
1346 
1347 /* Flags for above */
1348 
1349 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
1350 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
1351 
1352 /*******************************************************************************
1353  *
1354  * PMTT - Platform Memory Topology Table (ACPI 5.0)
1355  *        Version 1
1356  *
1357  ******************************************************************************/
1358 
1359 struct acpi_table_pmtt {
1360 	struct acpi_table_header header;	/* Common ACPI table header */
1361 	u32 reserved;
1362 };
1363 
1364 /* Common header for PMTT subtables that follow main table */
1365 
1366 struct acpi_pmtt_header {
1367 	u8 type;
1368 	u8 reserved1;
1369 	u16 length;
1370 	u16 flags;
1371 	u16 reserved2;
1372 };
1373 
1374 /* Values for Type field above */
1375 
1376 #define ACPI_PMTT_TYPE_SOCKET           0
1377 #define ACPI_PMTT_TYPE_CONTROLLER       1
1378 #define ACPI_PMTT_TYPE_DIMM             2
1379 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFF are reserved */
1380 
1381 /* Values for Flags field above */
1382 
1383 #define ACPI_PMTT_TOP_LEVEL             0x0001
1384 #define ACPI_PMTT_PHYSICAL              0x0002
1385 #define ACPI_PMTT_MEMORY_TYPE           0x000C
1386 
1387 /*
1388  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
1389  */
1390 
1391 /* 0: Socket Structure */
1392 
1393 struct acpi_pmtt_socket {
1394 	struct acpi_pmtt_header header;
1395 	u16 socket_id;
1396 	u16 reserved;
1397 };
1398 
1399 /* 1: Memory Controller subtable */
1400 
1401 struct acpi_pmtt_controller {
1402 	struct acpi_pmtt_header header;
1403 	u32 read_latency;
1404 	u32 write_latency;
1405 	u32 read_bandwidth;
1406 	u32 write_bandwidth;
1407 	u16 access_width;
1408 	u16 alignment;
1409 	u16 reserved;
1410 	u16 domain_count;
1411 };
1412 
1413 /* 1a: Proximity Domain substructure */
1414 
1415 struct acpi_pmtt_domain {
1416 	u32 proximity_domain;
1417 };
1418 
1419 /* 2: Physical Component Identifier (DIMM) */
1420 
1421 struct acpi_pmtt_physical_component {
1422 	struct acpi_pmtt_header header;
1423 	u16 component_id;
1424 	u16 reserved;
1425 	u32 memory_size;
1426 	u32 bios_handle;
1427 };
1428 
1429 /*******************************************************************************
1430  *
1431  * PPTT - Processor Properties Topology Table (ACPI 6.2)
1432  *        Version 1
1433  *
1434  ******************************************************************************/
1435 
1436 struct acpi_table_pptt {
1437 	struct acpi_table_header header;	/* Common ACPI table header */
1438 };
1439 
1440 /* Values for Type field above */
1441 
1442 enum acpi_pptt_type {
1443 	ACPI_PPTT_TYPE_PROCESSOR = 0,
1444 	ACPI_PPTT_TYPE_CACHE = 1,
1445 	ACPI_PPTT_TYPE_ID = 2,
1446 	ACPI_PPTT_TYPE_RESERVED = 3
1447 };
1448 
1449 /* 0: Processor Hierarchy Node Structure */
1450 
1451 struct acpi_pptt_processor {
1452 	struct acpi_subtable_header header;
1453 	u16 reserved;
1454 	u32 flags;
1455 	u32 parent;
1456 	u32 acpi_processor_id;
1457 	u32 number_of_priv_resources;
1458 };
1459 
1460 /* Flags */
1461 
1462 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)	/* Physical package */
1463 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (2)	/* ACPI Processor ID valid */
1464 
1465 /* 1: Cache Type Structure */
1466 
1467 struct acpi_pptt_cache {
1468 	struct acpi_subtable_header header;
1469 	u16 reserved;
1470 	u32 flags;
1471 	u32 next_level_of_cache;
1472 	u32 size;
1473 	u32 number_of_sets;
1474 	u8 associativity;
1475 	u8 attributes;
1476 	u16 line_size;
1477 };
1478 
1479 /* Flags */
1480 
1481 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
1482 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
1483 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
1484 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
1485 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
1486 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
1487 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
1488 
1489 /* Masks for Attributes */
1490 
1491 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
1492 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
1493 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
1494 
1495 /* Attributes describing cache */
1496 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
1497 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
1498 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
1499 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
1500 
1501 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
1502 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
1503 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
1504 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
1505 
1506 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
1507 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
1508 
1509 /* 2: ID Structure */
1510 
1511 struct acpi_pptt_id {
1512 	struct acpi_subtable_header header;
1513 	u16 reserved;
1514 	u32 vendor_id;
1515 	u64 level1_id;
1516 	u64 level2_id;
1517 	u16 major_rev;
1518 	u16 minor_rev;
1519 	u16 spin_rev;
1520 };
1521 
1522 /*******************************************************************************
1523  *
1524  * RASF - RAS Feature Table (ACPI 5.0)
1525  *        Version 1
1526  *
1527  ******************************************************************************/
1528 
1529 struct acpi_table_rasf {
1530 	struct acpi_table_header header;	/* Common ACPI table header */
1531 	u8 channel_id[12];
1532 };
1533 
1534 /* RASF Platform Communication Channel Shared Memory Region */
1535 
1536 struct acpi_rasf_shared_memory {
1537 	u32 signature;
1538 	u16 command;
1539 	u16 status;
1540 	u16 version;
1541 	u8 capabilities[16];
1542 	u8 set_capabilities[16];
1543 	u16 num_parameter_blocks;
1544 	u32 set_capabilities_status;
1545 };
1546 
1547 /* RASF Parameter Block Structure Header */
1548 
1549 struct acpi_rasf_parameter_block {
1550 	u16 type;
1551 	u16 version;
1552 	u16 length;
1553 };
1554 
1555 /* RASF Parameter Block Structure for PATROL_SCRUB */
1556 
1557 struct acpi_rasf_patrol_scrub_parameter {
1558 	struct acpi_rasf_parameter_block header;
1559 	u16 patrol_scrub_command;
1560 	u64 requested_address_range[2];
1561 	u64 actual_address_range[2];
1562 	u16 flags;
1563 	u8 requested_speed;
1564 };
1565 
1566 /* Masks for Flags and Speed fields above */
1567 
1568 #define ACPI_RASF_SCRUBBER_RUNNING      1
1569 #define ACPI_RASF_SPEED                 (7<<1)
1570 #define ACPI_RASF_SPEED_SLOW            (0<<1)
1571 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
1572 #define ACPI_RASF_SPEED_FAST            (7<<1)
1573 
1574 /* Channel Commands */
1575 
1576 enum acpi_rasf_commands {
1577 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
1578 };
1579 
1580 /* Platform RAS Capabilities */
1581 
1582 enum acpi_rasf_capabiliities {
1583 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
1584 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
1585 };
1586 
1587 /* Patrol Scrub Commands */
1588 
1589 enum acpi_rasf_patrol_scrub_commands {
1590 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
1591 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
1592 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
1593 };
1594 
1595 /* Channel Command flags */
1596 
1597 #define ACPI_RASF_GENERATE_SCI          (1<<15)
1598 
1599 /* Status values */
1600 
1601 enum acpi_rasf_status {
1602 	ACPI_RASF_SUCCESS = 0,
1603 	ACPI_RASF_NOT_VALID = 1,
1604 	ACPI_RASF_NOT_SUPPORTED = 2,
1605 	ACPI_RASF_BUSY = 3,
1606 	ACPI_RASF_FAILED = 4,
1607 	ACPI_RASF_ABORTED = 5,
1608 	ACPI_RASF_INVALID_DATA = 6
1609 };
1610 
1611 /* Status flags */
1612 
1613 #define ACPI_RASF_COMMAND_COMPLETE      (1)
1614 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
1615 #define ACPI_RASF_ERROR                 (1<<2)
1616 #define ACPI_RASF_STATUS                (0x1F<<3)
1617 
1618 /*******************************************************************************
1619  *
1620  * SBST - Smart Battery Specification Table
1621  *        Version 1
1622  *
1623  ******************************************************************************/
1624 
1625 struct acpi_table_sbst {
1626 	struct acpi_table_header header;	/* Common ACPI table header */
1627 	u32 warning_level;
1628 	u32 low_level;
1629 	u32 critical_level;
1630 };
1631 
1632 /*******************************************************************************
1633  *
1634  * SDEI - Software Delegated Exception Interface Descriptor Table
1635  *
1636  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
1637  * May 8th, 2017. Copyright 2017 ARM Ltd.
1638  *
1639  ******************************************************************************/
1640 
1641 struct acpi_table_sdei {
1642 	struct acpi_table_header header;	/* Common ACPI table header */
1643 };
1644 
1645 /*******************************************************************************
1646  *
1647  * SDEV - Secure Devices Table (ACPI 6.2)
1648  *        Version 1
1649  *
1650  ******************************************************************************/
1651 
1652 struct acpi_table_sdev {
1653 	struct acpi_table_header header;	/* Common ACPI table header */
1654 };
1655 
1656 struct acpi_sdev_header {
1657 	u8 type;
1658 	u8 flags;
1659 	u16 length;
1660 };
1661 
1662 /* Values for subtable type above */
1663 
1664 enum acpi_sdev_type {
1665 	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
1666 	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
1667 	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
1668 };
1669 
1670 /* Values for flags above */
1671 
1672 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
1673 
1674 /*
1675  * SDEV subtables
1676  */
1677 
1678 /* 0: Namespace Device Based Secure Device Structure */
1679 
1680 struct acpi_sdev_namespace {
1681 	struct acpi_sdev_header header;
1682 	u16 device_id_offset;
1683 	u16 device_id_length;
1684 	u16 vendor_data_offset;
1685 	u16 vendor_data_length;
1686 };
1687 
1688 /* 1: PCIe Endpoint Device Based Device Structure */
1689 
1690 struct acpi_sdev_pcie {
1691 	struct acpi_sdev_header header;
1692 	u16 segment;
1693 	u16 start_bus;
1694 	u16 path_offset;
1695 	u16 path_length;
1696 	u16 vendor_data_offset;
1697 	u16 vendor_data_length;
1698 };
1699 
1700 /* 1a: PCIe Endpoint path entry */
1701 
1702 struct acpi_sdev_pcie_path {
1703 	u8 device;
1704 	u8 function;
1705 };
1706 
1707 /* Reset to default packing */
1708 
1709 #pragma pack()
1710 
1711 #endif				/* __ACTBL2_H__ */
1712