xref: /qemu/include/hw/acpi/acpi-defs.h (revision 67cc32eb)
1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 2 of the License, or
5  * (at your option) any later version.
6 
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  * GNU General Public License for more details.
11 
12  * You should have received a copy of the GNU General Public License along
13  * with this program; if not, see <http://www.gnu.org/licenses/>.
14  */
15 #ifndef QEMU_ACPI_DEFS_H
16 #define QEMU_ACPI_DEFS_H
17 
18 enum {
19     ACPI_FADT_F_WBINVD,
20     ACPI_FADT_F_WBINVD_FLUSH,
21     ACPI_FADT_F_PROC_C1,
22     ACPI_FADT_F_P_LVL2_UP,
23     ACPI_FADT_F_PWR_BUTTON,
24     ACPI_FADT_F_SLP_BUTTON,
25     ACPI_FADT_F_FIX_RTC,
26     ACPI_FADT_F_RTC_S4,
27     ACPI_FADT_F_TMR_VAL_EXT,
28     ACPI_FADT_F_DCK_CAP,
29     ACPI_FADT_F_RESET_REG_SUP,
30     ACPI_FADT_F_SEALED_CASE,
31     ACPI_FADT_F_HEADLESS,
32     ACPI_FADT_F_CPU_SW_SLP,
33     ACPI_FADT_F_PCI_EXP_WAK,
34     ACPI_FADT_F_USE_PLATFORM_CLOCK,
35     ACPI_FADT_F_S4_RTC_STS_VALID,
36     ACPI_FADT_F_REMOTE_POWER_ON_CAPABLE,
37     ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL,
38     ACPI_FADT_F_FORCE_APIC_PHYSICAL_DESTINATION_MODE,
39     ACPI_FADT_F_HW_REDUCED_ACPI,
40     ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE,
41 };
42 
43 /*
44  * ACPI 2.0 Generic Address Space definition.
45  */
46 struct Acpi20GenericAddress {
47     uint8_t  address_space_id;
48     uint8_t  register_bit_width;
49     uint8_t  register_bit_offset;
50     uint8_t  reserved;
51     uint64_t address;
52 } QEMU_PACKED;
53 typedef struct Acpi20GenericAddress Acpi20GenericAddress;
54 
55 struct AcpiRsdpDescriptor {        /* Root System Descriptor Pointer */
56     uint64_t signature;              /* ACPI signature, contains "RSD PTR " */
57     uint8_t  checksum;               /* To make sum of struct == 0 */
58     uint8_t  oem_id [6];             /* OEM identification */
59     uint8_t  revision;               /* Must be 0 for 1.0, 2 for 2.0 */
60     uint32_t rsdt_physical_address;  /* 32-bit physical address of RSDT */
61     uint32_t length;                 /* XSDT Length in bytes including hdr */
62     uint64_t xsdt_physical_address;  /* 64-bit physical address of XSDT */
63     uint8_t  extended_checksum;      /* Checksum of entire table */
64     uint8_t  reserved [3];           /* Reserved field must be 0 */
65 } QEMU_PACKED;
66 typedef struct AcpiRsdpDescriptor AcpiRsdpDescriptor;
67 
68 /* Table structure from Linux kernel (the ACPI tables are under the
69    BSD license) */
70 
71 
72 #define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
73     uint32_t signature;          /* ACPI signature (4 ASCII characters) */ \
74     uint32_t length;                 /* Length of table, in bytes, including header */ \
75     uint8_t  revision;               /* ACPI Specification minor version # */ \
76     uint8_t  checksum;               /* To make sum of entire table == 0 */ \
77     uint8_t  oem_id [6];             /* OEM identification */ \
78     uint8_t  oem_table_id [8];       /* OEM table identification */ \
79     uint32_t oem_revision;           /* OEM revision number */ \
80     uint8_t  asl_compiler_id [4];    /* ASL compiler vendor ID */ \
81     uint32_t asl_compiler_revision;  /* ASL compiler revision number */
82 
83 
84 struct AcpiTableHeader         /* ACPI common table header */
85 {
86     ACPI_TABLE_HEADER_DEF
87 } QEMU_PACKED;
88 typedef struct AcpiTableHeader AcpiTableHeader;
89 
90 /*
91  * ACPI Fixed ACPI Description Table (FADT)
92  */
93 #define ACPI_FADT_COMMON_DEF /* FADT common definition */ \
94     ACPI_TABLE_HEADER_DEF    /* ACPI common table header */ \
95     uint32_t firmware_ctrl;  /* Physical address of FACS */ \
96     uint32_t dsdt;         /* Physical address of DSDT */ \
97     uint8_t  model;        /* System Interrupt Model */ \
98     uint8_t  reserved1;    /* Reserved */ \
99     uint16_t sci_int;      /* System vector of SCI interrupt */ \
100     uint32_t smi_cmd;      /* Port address of SMI command port */ \
101     uint8_t  acpi_enable;  /* Value to write to smi_cmd to enable ACPI */ \
102     uint8_t  acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \
103     /* Value to write to SMI CMD to enter S4BIOS state */ \
104     uint8_t  S4bios_req; \
105     uint8_t  reserved2;    /* Reserved - must be zero */ \
106     /* Port address of Power Mgt 1a acpi_event Reg Blk */ \
107     uint32_t pm1a_evt_blk; \
108     /* Port address of Power Mgt 1b acpi_event Reg Blk */ \
109     uint32_t pm1b_evt_blk; \
110     uint32_t pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \
111     uint32_t pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \
112     uint32_t pm2_cnt_blk;  /* Port address of Power Mgt 2 Control Reg Blk */ \
113     uint32_t pm_tmr_blk;   /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
114     /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
115     uint32_t gpe0_blk; \
116     /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
117     uint32_t gpe1_blk; \
118     uint8_t  pm1_evt_len;  /* Byte length of ports at pm1_x_evt_blk */ \
119     uint8_t  pm1_cnt_len;  /* Byte length of ports at pm1_x_cnt_blk */ \
120     uint8_t  pm2_cnt_len;  /* Byte Length of ports at pm2_cnt_blk */ \
121     uint8_t  pm_tmr_len;   /* Byte Length of ports at pm_tm_blk */ \
122     uint8_t  gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \
123     uint8_t  gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \
124     uint8_t  gpe1_base;    /* Offset in gpe model where gpe1 events start */ \
125     uint8_t  reserved3;    /* Reserved */ \
126     uint16_t plvl2_lat;    /* Worst case HW latency to enter/exit C2 state */ \
127     uint16_t plvl3_lat;    /* Worst case HW latency to enter/exit C3 state */ \
128     uint16_t flush_size;   /* Size of area read to flush caches */ \
129     uint16_t flush_stride; /* Stride used in flushing caches */ \
130     uint8_t  duty_offset;  /* Bit location of duty cycle field in p_cnt reg */ \
131     uint8_t  duty_width;   /* Bit width of duty cycle field in p_cnt reg */ \
132     uint8_t  day_alrm;     /* Index to day-of-month alarm in RTC CMOS RAM */ \
133     uint8_t  mon_alrm;     /* Index to month-of-year alarm in RTC CMOS RAM */ \
134     uint8_t  century;      /* Index to century in RTC CMOS RAM */
135 
136 struct AcpiFadtDescriptorRev1
137 {
138     ACPI_FADT_COMMON_DEF
139     uint8_t  reserved4;              /* Reserved */
140     uint8_t  reserved4a;             /* Reserved */
141     uint8_t  reserved4b;             /* Reserved */
142     uint32_t flags;
143 } QEMU_PACKED;
144 typedef struct AcpiFadtDescriptorRev1 AcpiFadtDescriptorRev1;
145 
146 struct AcpiGenericAddress {
147     uint8_t space_id;        /* Address space where struct or register exists */
148     uint8_t bit_width;       /* Size in bits of given register */
149     uint8_t bit_offset;      /* Bit offset within the register */
150     uint8_t access_width;    /* Minimum Access size (ACPI 3.0) */
151     uint64_t address;        /* 64-bit address of struct or register */
152 } QEMU_PACKED;
153 
154 struct AcpiFadtDescriptorRev5_1 {
155     ACPI_FADT_COMMON_DEF
156     /* IA-PC Boot Architecture Flags (see below for individual flags) */
157     uint16_t boot_flags;
158     uint8_t reserved;    /* Reserved, must be zero */
159     /* Miscellaneous flag bits (see below for individual flags) */
160     uint32_t flags;
161     /* 64-bit address of the Reset register */
162     struct AcpiGenericAddress reset_register;
163     /* Value to write to the reset_register port to reset the system */
164     uint8_t reset_value;
165     /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
166     uint16_t arm_boot_flags;
167     uint8_t minor_revision;  /* FADT Minor Revision (ACPI 5.1) */
168     uint64_t Xfacs;          /* 64-bit physical address of FACS */
169     uint64_t Xdsdt;          /* 64-bit physical address of DSDT */
170     /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
171     struct AcpiGenericAddress xpm1a_event_block;
172     /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
173     struct AcpiGenericAddress xpm1b_event_block;
174     /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
175     struct AcpiGenericAddress xpm1a_control_block;
176     /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
177     struct AcpiGenericAddress xpm1b_control_block;
178     /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
179     struct AcpiGenericAddress xpm2_control_block;
180     /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
181     struct AcpiGenericAddress xpm_timer_block;
182     /* 64-bit Extended General Purpose Event 0 Reg Blk address */
183     struct AcpiGenericAddress xgpe0_block;
184     /* 64-bit Extended General Purpose Event 1 Reg Blk address */
185     struct AcpiGenericAddress xgpe1_block;
186     /* 64-bit Sleep Control register (ACPI 5.0) */
187     struct AcpiGenericAddress sleep_control;
188     /* 64-bit Sleep Status register (ACPI 5.0) */
189     struct AcpiGenericAddress sleep_status;
190 } QEMU_PACKED;
191 
192 typedef struct AcpiFadtDescriptorRev5_1 AcpiFadtDescriptorRev5_1;
193 
194 enum {
195     ACPI_FADT_ARM_USE_PSCI_G_0_2 = 0,
196     ACPI_FADT_ARM_PSCI_USE_HVC = 1,
197 };
198 
199 /*
200  * Serial Port Console Redirection Table (SPCR), Rev. 1.02
201  *
202  * For .interface_type see Debug Port Table 2 (DBG2) serial port
203  * subtypes in Table 3, Rev. May 22, 2012
204  */
205 struct AcpiSerialPortConsoleRedirection {
206     ACPI_TABLE_HEADER_DEF
207     uint8_t  interface_type;
208     uint8_t  reserved1[3];
209     struct AcpiGenericAddress base_address;
210     uint8_t  interrupt_types;
211     uint8_t  irq;
212     uint32_t gsi;
213     uint8_t  baud;
214     uint8_t  parity;
215     uint8_t  stopbits;
216     uint8_t  flowctrl;
217     uint8_t  term_type;
218     uint8_t  reserved2;
219     uint16_t pci_device_id;
220     uint16_t pci_vendor_id;
221     uint8_t  pci_bus;
222     uint8_t  pci_slot;
223     uint8_t  pci_func;
224     uint32_t pci_flags;
225     uint8_t  pci_seg;
226     uint32_t reserved3;
227 } QEMU_PACKED;
228 typedef struct AcpiSerialPortConsoleRedirection
229                AcpiSerialPortConsoleRedirection;
230 
231 /*
232  * ACPI 1.0 Root System Description Table (RSDT)
233  */
234 struct AcpiRsdtDescriptorRev1
235 {
236     ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
237     uint32_t table_offset_entry[0];  /* Array of pointers to other */
238     /* ACPI tables */
239 } QEMU_PACKED;
240 typedef struct AcpiRsdtDescriptorRev1 AcpiRsdtDescriptorRev1;
241 
242 /*
243  * ACPI 1.0 Firmware ACPI Control Structure (FACS)
244  */
245 struct AcpiFacsDescriptorRev1
246 {
247     uint32_t signature;           /* ACPI Signature */
248     uint32_t length;                 /* Length of structure, in bytes */
249     uint32_t hardware_signature;     /* Hardware configuration signature */
250     uint32_t firmware_waking_vector; /* ACPI OS waking vector */
251     uint32_t global_lock;            /* Global Lock */
252     uint32_t flags;
253     uint8_t  resverved3 [40];        /* Reserved - must be zero */
254 } QEMU_PACKED;
255 typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1;
256 
257 /*
258  * Differentiated System Description Table (DSDT)
259  */
260 
261 /*
262  * MADT values and structures
263  */
264 
265 /* Values for MADT PCATCompat */
266 
267 #define ACPI_DUAL_PIC                0
268 #define ACPI_MULTIPLE_APIC           1
269 
270 /* Master MADT */
271 
272 struct AcpiMultipleApicTable
273 {
274     ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
275     uint32_t local_apic_address;     /* Physical address of local APIC */
276     uint32_t flags;
277 } QEMU_PACKED;
278 typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
279 
280 /* Values for Type in APIC sub-headers */
281 
282 #define ACPI_APIC_PROCESSOR          0
283 #define ACPI_APIC_IO                 1
284 #define ACPI_APIC_XRUPT_OVERRIDE     2
285 #define ACPI_APIC_NMI                3
286 #define ACPI_APIC_LOCAL_NMI          4
287 #define ACPI_APIC_ADDRESS_OVERRIDE   5
288 #define ACPI_APIC_IO_SAPIC           6
289 #define ACPI_APIC_LOCAL_SAPIC        7
290 #define ACPI_APIC_XRUPT_SOURCE       8
291 #define ACPI_APIC_LOCAL_X2APIC       9
292 #define ACPI_APIC_LOCAL_X2APIC_NMI      10
293 #define ACPI_APIC_GENERIC_INTERRUPT     11
294 #define ACPI_APIC_GENERIC_DISTRIBUTOR   12
295 #define ACPI_APIC_GENERIC_MSI_FRAME     13
296 #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
297 #define ACPI_APIC_RESERVED              15   /* 15 and greater are reserved */
298 
299 /*
300  * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
301  */
302 #define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
303     uint8_t  type;                               \
304     uint8_t  length;
305 
306 /* Sub-structures for MADT */
307 
308 struct AcpiMadtProcessorApic
309 {
310     ACPI_SUB_HEADER_DEF
311     uint8_t  processor_id;           /* ACPI processor id */
312     uint8_t  local_apic_id;          /* Processor's local APIC id */
313     uint32_t flags;
314 } QEMU_PACKED;
315 typedef struct AcpiMadtProcessorApic AcpiMadtProcessorApic;
316 
317 struct AcpiMadtIoApic
318 {
319     ACPI_SUB_HEADER_DEF
320     uint8_t  io_apic_id;             /* I/O APIC ID */
321     uint8_t  reserved;               /* Reserved - must be zero */
322     uint32_t address;                /* APIC physical address */
323     uint32_t interrupt;              /* Global system interrupt where INTI
324                                  * lines start */
325 } QEMU_PACKED;
326 typedef struct AcpiMadtIoApic AcpiMadtIoApic;
327 
328 struct AcpiMadtIntsrcovr {
329     ACPI_SUB_HEADER_DEF
330     uint8_t  bus;
331     uint8_t  source;
332     uint32_t gsi;
333     uint16_t flags;
334 } QEMU_PACKED;
335 typedef struct AcpiMadtIntsrcovr AcpiMadtIntsrcovr;
336 
337 struct AcpiMadtLocalNmi {
338     ACPI_SUB_HEADER_DEF
339     uint8_t  processor_id;           /* ACPI processor id */
340     uint16_t flags;                  /* MPS INTI flags */
341     uint8_t  lint;                   /* Local APIC LINT# */
342 } QEMU_PACKED;
343 typedef struct AcpiMadtLocalNmi AcpiMadtLocalNmi;
344 
345 struct AcpiMadtGenericInterrupt {
346     ACPI_SUB_HEADER_DEF
347     uint16_t reserved;
348     uint32_t cpu_interface_number;
349     uint32_t uid;
350     uint32_t flags;
351     uint32_t parking_version;
352     uint32_t performance_interrupt;
353     uint64_t parked_address;
354     uint64_t base_address;
355     uint64_t gicv_base_address;
356     uint64_t gich_base_address;
357     uint32_t vgic_interrupt;
358     uint64_t gicr_base_address;
359     uint64_t arm_mpidr;
360 } QEMU_PACKED;
361 
362 typedef struct AcpiMadtGenericInterrupt AcpiMadtGenericInterrupt;
363 
364 struct AcpiMadtGenericDistributor {
365     ACPI_SUB_HEADER_DEF
366     uint16_t reserved;
367     uint32_t gic_id;
368     uint64_t base_address;
369     uint32_t global_irq_base;
370     uint32_t reserved2;
371 } QEMU_PACKED;
372 
373 typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;
374 
375 struct AcpiMadtGenericMsiFrame {
376     ACPI_SUB_HEADER_DEF
377     uint16_t reserved;
378     uint32_t gic_msi_frame_id;
379     uint64_t base_address;
380     uint32_t flags;
381     uint16_t spi_count;
382     uint16_t spi_base;
383 } QEMU_PACKED;
384 
385 typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame;
386 
387 /*
388  * Generic Timer Description Table (GTDT)
389  */
390 
391 #define ACPI_GTDT_INTERRUPT_MODE        (1 << 0)
392 #define ACPI_GTDT_INTERRUPT_POLARITY    (1 << 1)
393 #define ACPI_GTDT_ALWAYS_ON             (1 << 2)
394 
395 /* Triggering */
396 
397 #define ACPI_LEVEL_SENSITIVE            ((uint8_t) 0x00)
398 #define ACPI_EDGE_SENSITIVE             ((uint8_t) 0x01)
399 
400 /* Polarity */
401 
402 #define ACPI_ACTIVE_HIGH                ((uint8_t) 0x00)
403 #define ACPI_ACTIVE_LOW                 ((uint8_t) 0x01)
404 #define ACPI_ACTIVE_BOTH                ((uint8_t) 0x02)
405 
406 struct AcpiGenericTimerTable {
407     ACPI_TABLE_HEADER_DEF
408     uint64_t counter_block_addresss;
409     uint32_t reserved;
410     uint32_t secure_el1_interrupt;
411     uint32_t secure_el1_flags;
412     uint32_t non_secure_el1_interrupt;
413     uint32_t non_secure_el1_flags;
414     uint32_t virtual_timer_interrupt;
415     uint32_t virtual_timer_flags;
416     uint32_t non_secure_el2_interrupt;
417     uint32_t non_secure_el2_flags;
418     uint64_t counter_read_block_address;
419     uint32_t platform_timer_count;
420     uint32_t platform_timer_offset;
421 } QEMU_PACKED;
422 typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;
423 
424 /*
425  * HPET Description Table
426  */
427 struct Acpi20Hpet {
428     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
429     uint32_t           timer_block_id;
430     Acpi20GenericAddress addr;
431     uint8_t            hpet_number;
432     uint16_t           min_tick;
433     uint8_t            page_protect;
434 } QEMU_PACKED;
435 typedef struct Acpi20Hpet Acpi20Hpet;
436 
437 /*
438  * SRAT (NUMA topology description) table
439  */
440 
441 struct AcpiSystemResourceAffinityTable
442 {
443     ACPI_TABLE_HEADER_DEF
444     uint32_t    reserved1;
445     uint32_t    reserved2[2];
446 } QEMU_PACKED;
447 typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;
448 
449 #define ACPI_SRAT_PROCESSOR          0
450 #define ACPI_SRAT_MEMORY             1
451 
452 struct AcpiSratProcessorAffinity
453 {
454     ACPI_SUB_HEADER_DEF
455     uint8_t     proximity_lo;
456     uint8_t     local_apic_id;
457     uint32_t    flags;
458     uint8_t     local_sapic_eid;
459     uint8_t     proximity_hi[3];
460     uint32_t    reserved;
461 } QEMU_PACKED;
462 typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity;
463 
464 struct AcpiSratMemoryAffinity
465 {
466     ACPI_SUB_HEADER_DEF
467     uint8_t     proximity[4];
468     uint16_t    reserved1;
469     uint64_t    base_addr;
470     uint64_t    range_length;
471     uint32_t    reserved2;
472     uint32_t    flags;
473     uint32_t    reserved3[2];
474 } QEMU_PACKED;
475 typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity;
476 
477 /* PCI fw r3.0 MCFG table. */
478 /* Subtable */
479 struct AcpiMcfgAllocation {
480     uint64_t address;                /* Base address, processor-relative */
481     uint16_t pci_segment;            /* PCI segment group number */
482     uint8_t start_bus_number;       /* Starting PCI Bus number */
483     uint8_t end_bus_number;         /* Final PCI Bus number */
484     uint32_t reserved;
485 } QEMU_PACKED;
486 typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;
487 
488 struct AcpiTableMcfg {
489     ACPI_TABLE_HEADER_DEF;
490     uint8_t reserved[8];
491     AcpiMcfgAllocation allocation[0];
492 } QEMU_PACKED;
493 typedef struct AcpiTableMcfg AcpiTableMcfg;
494 
495 /*
496  * TCPA Description Table
497  *
498  * Following Level 00, Rev 00.37 of specs:
499  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
500  */
501 struct Acpi20Tcpa {
502     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
503     uint16_t platform_class;
504     uint32_t log_area_minimum_length;
505     uint64_t log_area_start_address;
506 } QEMU_PACKED;
507 typedef struct Acpi20Tcpa Acpi20Tcpa;
508 
509 /*
510  * TPM2
511  *
512  * Following Level 00, Rev 00.37 of specs:
513  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
514  */
515 struct Acpi20TPM2 {
516     ACPI_TABLE_HEADER_DEF
517     uint16_t platform_class;
518     uint16_t reserved;
519     uint64_t control_area_address;
520     uint32_t start_method;
521 } QEMU_PACKED;
522 typedef struct Acpi20TPM2 Acpi20TPM2;
523 
524 /* DMAR - DMA Remapping table r2.2 */
525 struct AcpiTableDmar {
526     ACPI_TABLE_HEADER_DEF
527     uint8_t host_address_width; /* Maximum DMA physical addressability */
528     uint8_t flags;
529     uint8_t reserved[10];
530 } QEMU_PACKED;
531 typedef struct AcpiTableDmar AcpiTableDmar;
532 
533 /* Masks for Flags field above */
534 #define ACPI_DMAR_INTR_REMAP        1
535 #define ACPI_DMAR_X2APIC_OPT_OUT    (1 << 1)
536 
537 /* Values for sub-structure type for DMAR */
538 enum {
539     ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,       /* DRHD */
540     ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,     /* RMRR */
541     ACPI_DMAR_TYPE_ATSR = 2,                /* ATSR */
542     ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,   /* RHSR */
543     ACPI_DMAR_TYPE_ANDD = 4,                /* ANDD */
544     ACPI_DMAR_TYPE_RESERVED = 5             /* Reserved for furture use */
545 };
546 
547 /*
548  * Sub-structures for DMAR
549  */
550 /* Type 0: Hardware Unit Definition */
551 struct AcpiDmarHardwareUnit {
552     uint16_t type;
553     uint16_t length;
554     uint8_t flags;
555     uint8_t reserved;
556     uint16_t pci_segment;   /* The PCI Segment associated with this unit */
557     uint64_t address;   /* Base address of remapping hardware register-set */
558 } QEMU_PACKED;
559 typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit;
560 
561 /* Masks for Flags field above */
562 #define ACPI_DMAR_INCLUDE_PCI_ALL   1
563 
564 #endif
565