aboutsummaryrefslogtreecommitdiff
path: root/include/hw/acpi/acpi-defs.h
blob: 5021cb9e791fad9578a3753637c6a7a6854765f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>.
 */
#ifndef QEMU_ACPI_DEFS_H
#define QEMU_ACPI_DEFS_H

enum {
    ACPI_FADT_F_WBINVD,
    ACPI_FADT_F_WBINVD_FLUSH,
    ACPI_FADT_F_PROC_C1,
    ACPI_FADT_F_P_LVL2_UP,
    ACPI_FADT_F_PWR_BUTTON,
    ACPI_FADT_F_SLP_BUTTON,
    ACPI_FADT_F_FIX_RTC,
    ACPI_FADT_F_RTC_S4,
    ACPI_FADT_F_TMR_VAL_EXT,
    ACPI_FADT_F_DCK_CAP,
    ACPI_FADT_F_RESET_REG_SUP,
    ACPI_FADT_F_SEALED_CASE,
    ACPI_FADT_F_HEADLESS,
    ACPI_FADT_F_CPU_SW_SLP,
    ACPI_FADT_F_PCI_EXP_WAK,
    ACPI_FADT_F_USE_PLATFORM_CLOCK,
    ACPI_FADT_F_S4_RTC_STS_VALID,
    ACPI_FADT_F_REMOTE_POWER_ON_CAPABLE,
    ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL,
    ACPI_FADT_F_FORCE_APIC_PHYSICAL_DESTINATION_MODE,
    ACPI_FADT_F_HW_REDUCED_ACPI,
    ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE,
};

typedef struct AcpiRsdpData {
    uint8_t oem_id[6]; /* OEM identification */
    uint8_t revision;  /* Must be 0 for 1.0, 2 for 2.0 */

    unsigned *rsdt_tbl_offset;
    unsigned *xsdt_tbl_offset;
} AcpiRsdpData;

/* Table structure from Linux kernel (the ACPI tables are under the
   BSD license) */


#define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
    uint32_t signature;          /* ACPI signature (4 ASCII characters) */ \
    uint32_t length;                 /* Length of table, in bytes, including header */ \
    uint8_t  revision;               /* ACPI Specification minor version # */ \
    uint8_t  checksum;               /* To make sum of entire table == 0 */ \
    uint8_t  oem_id [6];             /* OEM identification */ \
    uint8_t  oem_table_id [8];       /* OEM table identification */ \
    uint32_t oem_revision;           /* OEM revision number */ \
    uint8_t  asl_compiler_id [4];    /* ASL compiler vendor ID */ \
    uint32_t asl_compiler_revision;  /* ASL compiler revision number */


/* ACPI common table header */
struct AcpiTableHeader {
    ACPI_TABLE_HEADER_DEF
} QEMU_PACKED;
typedef struct AcpiTableHeader AcpiTableHeader;

struct AcpiGenericAddress {
    uint8_t space_id;        /* Address space where struct or register exists */
    uint8_t bit_width;       /* Size in bits of given register */
    uint8_t bit_offset;      /* Bit offset within the register */
    uint8_t access_width;    /* ACPI 3.0: Minimum Access size (ACPI 3.0),
                                ACPI 2.0: Reserved, Table 5-1 */
    uint64_t address;        /* 64-bit address of struct or register */
} QEMU_PACKED;

typedef struct AcpiFadtData {
    struct AcpiGenericAddress pm1a_cnt;   /* PM1a_CNT_BLK */
    struct AcpiGenericAddress pm1a_evt;   /* PM1a_EVT_BLK */
    struct AcpiGenericAddress pm_tmr;    /* PM_TMR_BLK */
    struct AcpiGenericAddress gpe0_blk;  /* GPE0_BLK */
    struct AcpiGenericAddress reset_reg; /* RESET_REG */
    uint8_t reset_val;         /* RESET_VALUE */
    uint8_t  rev;              /* Revision */
    uint32_t flags;            /* Flags */
    uint32_t smi_cmd;          /* SMI_CMD */
    uint16_t sci_int;          /* SCI_INT */
    uint8_t  int_model;        /* INT_MODEL */
    uint8_t  acpi_enable_cmd;  /* ACPI_ENABLE */
    uint8_t  acpi_disable_cmd; /* ACPI_DISABLE */
    uint8_t  rtc_century;      /* CENTURY */
    uint16_t plvl2_lat;        /* P_LVL2_LAT */
    uint16_t plvl3_lat;        /* P_LVL3_LAT */
    uint16_t arm_boot_arch;    /* ARM_BOOT_ARCH */
    uint8_t minor_ver;         /* FADT Minor Version */

    /*
     * respective tables offsets within ACPI_BUILD_TABLE_FILE,
     * NULL if table doesn't exist (in that case field's value
     * won't be patched by linker and will be kept set to 0)
     */
    unsigned *facs_tbl_offset; /* FACS offset in */
    unsigned *dsdt_tbl_offset;
    unsigned *xdsdt_tbl_offset;
} AcpiFadtData;

#define ACPI_FADT_ARM_PSCI_COMPLIANT  (1 << 0)
#define ACPI_FADT_ARM_PSCI_USE_HVC    (1 << 1)

/*
 * Serial Port Console Redirection Table (SPCR), Rev. 1.02
 *
 * For .interface_type see Debug Port Table 2 (DBG2) serial port
 * subtypes in Table 3, Rev. May 22, 2012
 */
struct AcpiSerialPortConsoleRedirection {
    ACPI_TABLE_HEADER_DEF
    uint8_t  interface_type;
    uint8_t  reserved1[3];
    struct AcpiGenericAddress base_address;
    uint8_t  interrupt_types;
    uint8_t  irq;
    uint32_t gsi;
    uint8_t  baud;
    uint8_t  parity;
    uint8_t  stopbits;
    uint8_t  flowctrl;
    uint8_t  term_type;
    uint8_t  reserved2;
    uint16_t pci_device_id;
    uint16_t pci_vendor_id;
    uint8_t  pci_bus;
    uint8_t  pci_slot;
    uint8_t  pci_func;
    uint32_t pci_flags;
    uint8_t  pci_seg;
    uint32_t reserved3;
} QEMU_PACKED;
typedef struct AcpiSerialPortConsoleRedirection
               AcpiSerialPortConsoleRedirection;

/*
 * ACPI 1.0 Root System Description Table (RSDT)
 */
struct AcpiRsdtDescriptorRev1 {
    ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
    uint32_t table_offset_entry[0];  /* Array of pointers to other */
    /* ACPI tables */
} QEMU_PACKED;
typedef struct AcpiRsdtDescriptorRev1 AcpiRsdtDescriptorRev1;

/*
 * ACPI 2.0 eXtended System Description Table (XSDT)
 */
struct AcpiXsdtDescriptorRev2 {
    ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
    uint64_t table_offset_entry[0];  /* Array of pointers to other */
    /* ACPI tables */
} QEMU_PACKED;
typedef struct AcpiXsdtDescriptorRev2 AcpiXsdtDescriptorRev2;

/*
 * ACPI 1.0 Firmware ACPI Control Structure (FACS)
 */
struct AcpiFacsDescriptorRev1 {
    uint32_t signature;           /* ACPI Signature */
    uint32_t length;                 /* Length of structure, in bytes */
    uint32_t hardware_signature;     /* Hardware configuration signature */
    uint32_t firmware_waking_vector; /* ACPI OS waking vector */
    uint32_t global_lock;            /* Global Lock */
    uint32_t flags;
    uint8_t  resverved3 [40];        /* Reserved - must be zero */
} QEMU_PACKED;
typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1;

/*
 * Differentiated System Description Table (DSDT)
 */

/*
 * MADT values and structures
 */

/* Values for MADT PCATCompat */

#define ACPI_DUAL_PIC                0
#define ACPI_MULTIPLE_APIC           1

/* Master MADT */

struct AcpiMultipleApicTable {
    ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
    uint32_t local_apic_address;     /* Physical address of local APIC */
    uint32_t flags;
} QEMU_PACKED;
typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;

/* Values for Type in APIC sub-headers */

#define ACPI_APIC_PROCESSOR          0
#define ACPI_APIC_IO                 1
#define ACPI_APIC_XRUPT_OVERRIDE     2
#define ACPI_APIC_NMI                3
#define ACPI_APIC_LOCAL_NMI          4
#define ACPI_APIC_ADDRESS_OVERRIDE   5
#define ACPI_APIC_IO_SAPIC           6
#define ACPI_APIC_LOCAL_SAPIC        7
#define ACPI_APIC_XRUPT_SOURCE       8
#define ACPI_APIC_LOCAL_X2APIC       9
#define ACPI_APIC_LOCAL_X2APIC_NMI      10
#define ACPI_APIC_GENERIC_CPU_INTERFACE 11
#define ACPI_APIC_GENERIC_DISTRIBUTOR   12
#define ACPI_APIC_GENERIC_MSI_FRAME     13
#define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
#define ACPI_APIC_GENERIC_TRANSLATOR    15
#define ACPI_APIC_RESERVED              16   /* 16 and greater are reserved */

/*
 * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
 */
#define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
    uint8_t  type;                               \
    uint8_t  length;

/* Sub-structures for MADT */

struct AcpiMadtProcessorApic {
    ACPI_SUB_HEADER_DEF
    uint8_t  processor_id;           /* ACPI processor id */
    uint8_t  local_apic_id;          /* Processor's local APIC id */
    uint32_t flags;
} QEMU_PACKED;
typedef struct AcpiMadtProcessorApic AcpiMadtProcessorApic;

struct AcpiMadtIoApic {
    ACPI_SUB_HEADER_DEF
    uint8_t  io_apic_id;             /* I/O APIC ID */
    uint8_t  reserved;               /* Reserved - must be zero */
    uint32_t address;                /* APIC physical address */
    uint32_t interrupt;              /* Global system interrupt where INTI
                                 * lines start */
} QEMU_PACKED;
typedef struct AcpiMadtIoApic AcpiMadtIoApic;

struct AcpiMadtIntsrcovr {
    ACPI_SUB_HEADER_DEF
    uint8_t  bus;
    uint8_t  source;
    uint32_t gsi;
    uint16_t flags;
} QEMU_PACKED;
typedef struct AcpiMadtIntsrcovr AcpiMadtIntsrcovr;

struct AcpiMadtLocalNmi {
    ACPI_SUB_HEADER_DEF
    uint8_t  processor_id;           /* ACPI processor id */
    uint16_t flags;                  /* MPS INTI flags */
    uint8_t  lint;                   /* Local APIC LINT# */
} QEMU_PACKED;
typedef struct AcpiMadtLocalNmi AcpiMadtLocalNmi;

struct AcpiMadtProcessorX2Apic {
    ACPI_SUB_HEADER_DEF
    uint16_t reserved;
    uint32_t x2apic_id;              /* Processor's local x2APIC ID */
    uint32_t flags;
    uint32_t uid;                    /* Processor object _UID */
} QEMU_PACKED;
typedef struct AcpiMadtProcessorX2Apic AcpiMadtProcessorX2Apic;

struct AcpiMadtLocalX2ApicNmi {
    ACPI_SUB_HEADER_DEF
    uint16_t flags;                  /* MPS INTI flags */
    uint32_t uid;                    /* Processor object _UID */
    uint8_t  lint;                   /* Local APIC LINT# */
    uint8_t  reserved[3];            /* Local APIC LINT# */
} QEMU_PACKED;
typedef struct AcpiMadtLocalX2ApicNmi AcpiMadtLocalX2ApicNmi;

struct AcpiMadtGenericCpuInterface {
    ACPI_SUB_HEADER_DEF
    uint16_t reserved;
    uint32_t cpu_interface_number;
    uint32_t uid;
    uint32_t flags;
    uint32_t parking_version;
    uint32_t performance_interrupt;
    uint64_t parked_address;
    uint64_t base_address;
    uint64_t gicv_base_address;
    uint64_t gich_base_address;
    uint32_t vgic_interrupt;
    uint64_t gicr_base_address;
    uint64_t arm_mpidr;
} QEMU_PACKED;

typedef struct AcpiMadtGenericCpuInterface AcpiMadtGenericCpuInterface;

/* GICC CPU Interface Flags */
#define ACPI_MADT_GICC_ENABLED 1

struct AcpiMadtGenericDistributor {
    ACPI_SUB_HEADER_DEF
    uint16_t reserved;
    uint32_t gic_id;
    uint64_t base_address;
    uint32_t global_irq_base;
    /* ACPI 5.1 Errata 1228 Present GIC version in MADT table */
    uint8_t version;
    uint8_t reserved2[3];
} QEMU_PACKED;

typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;

struct AcpiMadtGenericMsiFrame {
    ACPI_SUB_HEADER_DEF
    uint16_t reserved;
    uint32_t gic_msi_frame_id;
    uint64_t base_address;
    uint32_t flags;
    uint16_t spi_count;
    uint16_t spi_base;
} QEMU_PACKED;

typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame;

struct AcpiMadtGenericRedistributor {
    ACPI_SUB_HEADER_DEF
    uint16_t reserved;
    uint64_t base_address;
    uint32_t range_length;
} QEMU_PACKED;

typedef struct AcpiMadtGenericRedistributor AcpiMadtGenericRedistributor;

struct AcpiMadtGenericTranslator {
    ACPI_SUB_HEADER_DEF
    uint16_t reserved;
    uint32_t translation_id;
    uint64_t base_address;
    uint32_t reserved2;
} QEMU_PACKED;

typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator;

/*
 * Generic Timer Description Table (GTDT)
 */
#define ACPI_GTDT_INTERRUPT_MODE_LEVEL    (0 << 0)
#define ACPI_GTDT_INTERRUPT_MODE_EDGE     (1 << 0)
#define ACPI_GTDT_CAP_ALWAYS_ON           (1 << 2)

struct AcpiGenericTimerTable {
    ACPI_TABLE_HEADER_DEF
    uint64_t counter_block_addresss;
    uint32_t reserved;
    uint32_t secure_el1_interrupt;
    uint32_t secure_el1_flags;
    uint32_t non_secure_el1_interrupt;
    uint32_t non_secure_el1_flags;
    uint32_t virtual_timer_interrupt;
    uint32_t virtual_timer_flags;
    uint32_t non_secure_el2_interrupt;
    uint32_t non_secure_el2_flags;
    uint64_t counter_read_block_address;
    uint32_t platform_timer_count;
    uint32_t platform_timer_offset;
} QEMU_PACKED;
typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;

/*
 * HPET Description Table
 */
struct Acpi20Hpet {
    ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
    uint32_t           timer_block_id;
    struct AcpiGenericAddress addr;
    uint8_t            hpet_number;
    uint16_t           min_tick;
    uint8_t            page_protect;
} QEMU_PACKED;
typedef struct Acpi20Hpet Acpi20Hpet;

/*
 * SRAT (NUMA topology description) table
 */

struct AcpiSystemResourceAffinityTable {
    ACPI_TABLE_HEADER_DEF
    uint32_t    reserved1;
    uint32_t    reserved2[2];
} QEMU_PACKED;
typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;

#define ACPI_SRAT_PROCESSOR_APIC     0
#define ACPI_SRAT_MEMORY             1
#define ACPI_SRAT_PROCESSOR_x2APIC   2
#define ACPI_SRAT_PROCESSOR_GICC     3

struct AcpiSratProcessorAffinity {
    ACPI_SUB_HEADER_DEF
    uint8_t     proximity_lo;
    uint8_t     local_apic_id;
    uint32_t    flags;
    uint8_t     local_sapic_eid;
    uint8_t     proximity_hi[3];
    uint32_t    reserved;
} QEMU_PACKED;
typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity;

struct AcpiSratProcessorX2ApicAffinity {
    ACPI_SUB_HEADER_DEF
    uint16_t    reserved;
    uint32_t    proximity_domain;
    uint32_t    x2apic_id;
    uint32_t    flags;
    uint32_t    clk_domain;
    uint32_t    reserved2;
} QEMU_PACKED;
typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity;

struct AcpiSratMemoryAffinity {
    ACPI_SUB_HEADER_DEF
    uint32_t    proximity;
    uint16_t    reserved1;
    uint64_t    base_addr;
    uint64_t    range_length;
    uint32_t    reserved2;
    uint32_t    flags;
    uint32_t    reserved3[2];
} QEMU_PACKED;
typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity;

struct AcpiSratProcessorGiccAffinity {
    ACPI_SUB_HEADER_DEF
    uint32_t    proximity;
    uint32_t    acpi_processor_uid;
    uint32_t    flags;
    uint32_t    clock_domain;
} QEMU_PACKED;

typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity;

/* PCI fw r3.0 MCFG table. */
/* Subtable */
struct AcpiMcfgAllocation {
    uint64_t address;                /* Base address, processor-relative */
    uint16_t pci_segment;            /* PCI segment group number */
    uint8_t start_bus_number;       /* Starting PCI Bus number */
    uint8_t end_bus_number;         /* Final PCI Bus number */
    uint32_t reserved;
} QEMU_PACKED;
typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;

struct AcpiTableMcfg {
    ACPI_TABLE_HEADER_DEF;
    uint8_t reserved[8];
    AcpiMcfgAllocation allocation[0];
} QEMU_PACKED;
typedef struct AcpiTableMcfg AcpiTableMcfg;

/*
 * TCPA Description Table
 *
 * Following Level 00, Rev 00.37 of specs:
 * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 */
struct Acpi20Tcpa {
    ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
    uint16_t platform_class;
    uint32_t log_area_minimum_length;
    uint64_t log_area_start_address;
} QEMU_PACKED;
typedef struct Acpi20Tcpa Acpi20Tcpa;

/*
 * TPM2
 *
 * Following Version 1.2, Revision 8 of specs:
 * https://trustedcomputinggroup.org/tcg-acpi-specification/
 */
struct Acpi20TPM2 {
    ACPI_TABLE_HEADER_DEF
    uint16_t platform_class;
    uint16_t reserved;
    uint64_t control_area_address;
    uint32_t start_method;
    uint8_t start_method_params[12];
    uint32_t log_area_minimum_length;
    uint64_t log_area_start_address;
} QEMU_PACKED;
typedef struct Acpi20TPM2 Acpi20TPM2;

/* DMAR - DMA Remapping table r2.2 */
struct AcpiTableDmar {
    ACPI_TABLE_HEADER_DEF
    uint8_t host_address_width; /* Maximum DMA physical addressability */
    uint8_t flags;
    uint8_t reserved[10];
} QEMU_PACKED;
typedef struct AcpiTableDmar AcpiTableDmar;

/* Masks for Flags field above */
#define ACPI_DMAR_INTR_REMAP        1
#define ACPI_DMAR_X2APIC_OPT_OUT    (1 << 1)

/* Values for sub-structure type for DMAR */
enum {
    ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,       /* DRHD */
    ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,     /* RMRR */
    ACPI_DMAR_TYPE_ATSR = 2,                /* ATSR */
    ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,   /* RHSR */
    ACPI_DMAR_TYPE_ANDD = 4,                /* ANDD */
    ACPI_DMAR_TYPE_RESERVED = 5             /* Reserved for furture use */
};

/*
 * Sub-structures for DMAR
 */

/* Device scope structure for DRHD. */
struct AcpiDmarDeviceScope {
    uint8_t entry_type;
    uint8_t length;
    uint16_t reserved;
    uint8_t enumeration_id;
    uint8_t bus;
    struct {
        uint8_t device;
        uint8_t function;
    } path[0];
} QEMU_PACKED;
typedef struct AcpiDmarDeviceScope AcpiDmarDeviceScope;

/* Type 0: Hardware Unit Definition */
struct AcpiDmarHardwareUnit {
    uint16_t type;
    uint16_t length;
    uint8_t flags;
    uint8_t reserved;
    uint16_t pci_segment;   /* The PCI Segment associated with this unit */
    uint64_t address;   /* Base address of remapping hardware register-set */
    AcpiDmarDeviceScope scope[0];
} QEMU_PACKED;
typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit;

/* Type 2: Root Port ATS Capability Reporting Structure */
struct AcpiDmarRootPortATS {
    uint16_t type;
    uint16_t length;
    uint8_t flags;
    uint8_t reserved;
    uint16_t pci_segment;
    AcpiDmarDeviceScope scope[0];
} QEMU_PACKED;
typedef struct AcpiDmarRootPortATS AcpiDmarRootPortATS;

/* Masks for Flags field above */
#define ACPI_DMAR_INCLUDE_PCI_ALL   1
#define ACPI_DMAR_ATSR_ALL_PORTS    1

/*
 * Input Output Remapping Table (IORT)
 * Conforms to "IO Remapping Table System Software on ARM Platforms",
 * Document number: ARM DEN 0049B, October 2015
 */

struct AcpiIortTable {
    ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
    uint32_t node_count;
    uint32_t node_offset;
    uint32_t reserved;
} QEMU_PACKED;
typedef struct AcpiIortTable AcpiIortTable;

/*
 * IORT node types
 */

#define ACPI_IORT_NODE_HEADER_DEF   /* Node format common fields */ \
    uint8_t  type;          \
    uint16_t length;        \
    uint8_t  revision;      \
    uint32_t reserved;      \
    uint32_t mapping_count; \
    uint32_t mapping_offset;

/* Values for node Type above */
enum {
        ACPI_IORT_NODE_ITS_GROUP = 0x00,
        ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
        ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
        ACPI_IORT_NODE_SMMU = 0x03,
        ACPI_IORT_NODE_SMMU_V3 = 0x04
};

struct AcpiIortIdMapping {
    uint32_t input_base;
    uint32_t id_count;
    uint32_t output_base;
    uint32_t output_reference;
    uint32_t flags;
} QEMU_PACKED;
typedef struct AcpiIortIdMapping AcpiIortIdMapping;

struct AcpiIortMemoryAccess {
    uint32_t cache_coherency;
    uint8_t  hints;
    uint16_t reserved;
    uint8_t  memory_flags;
} QEMU_PACKED;
typedef struct AcpiIortMemoryAccess AcpiIortMemoryAccess;

struct AcpiIortItsGroup {
    ACPI_IORT_NODE_HEADER_DEF
    uint32_t its_count;
    uint32_t identifiers[0];
} QEMU_PACKED;
typedef struct AcpiIortItsGroup AcpiIortItsGroup;

struct AcpiIortSmmu3 {
    ACPI_IORT_NODE_HEADER_DEF
    uint64_t base_address;
    uint32_t flags;
    uint32_t reserved2;
    uint64_t vatos_address;
    uint32_t model;
    uint32_t event_gsiv;
    uint32_t pri_gsiv;
    uint32_t gerr_gsiv;
    uint32_t sync_gsiv;
    AcpiIortIdMapping id_mapping_array[0];
} QEMU_PACKED;
typedef struct AcpiIortSmmu3 AcpiIortSmmu3;

struct AcpiIortRC {
    ACPI_IORT_NODE_HEADER_DEF
    AcpiIortMemoryAccess memory_properties;
    uint32_t ats_attribute;
    uint32_t pci_segment_number;
    AcpiIortIdMapping id_mapping_array[0];
} QEMU_PACKED;
typedef struct AcpiIortRC AcpiIortRC;

#endif