1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: acrestyp.h - Defines, types, and structures for resource descriptors
5 *
6 * Copyright (C) 2000 - 2025, Intel Corp.
7 *
8 *****************************************************************************/
9
10#ifndef __ACRESTYP_H__
11#define __ACRESTYP_H__
12
13/*
14 * Definitions for Resource Attributes
15 */
16typedef u16 acpi_rs_length; /* Resource Length field is fixed at 16 bits */
17typedef u32 acpi_rsdesc_size; /* Max Resource Descriptor size is (Length+3) = (64K-1)+3 */
18
19/*
20 * Memory Attributes
21 */
22#define ACPI_READ_ONLY_MEMORY (u8) 0x00
23#define ACPI_READ_WRITE_MEMORY (u8) 0x01
24
25#define ACPI_NON_CACHEABLE_MEMORY (u8) 0x00
26#define ACPI_CACHABLE_MEMORY (u8) 0x01
27#define ACPI_WRITE_COMBINING_MEMORY (u8) 0x02
28#define ACPI_PREFETCHABLE_MEMORY (u8) 0x03
29
30/*! [Begin] no source code translation */
31/*
32 * IO Attributes
33 * The ISA IO ranges are: n000-n0FFh, n400-n4FFh, n800-n8FFh, nC00-nCFFh.
34 * The non-ISA IO ranges are: n100-n3FFh, n500-n7FFh, n900-nBFFh, nCD0-nFFFh.
35 */
36/*! [End] no source code translation !*/
37
38#define ACPI_NON_ISA_ONLY_RANGES (u8) 0x01
39#define ACPI_ISA_ONLY_RANGES (u8) 0x02
40#define ACPI_ENTIRE_RANGE (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
41
42/* Type of translation - 1=Sparse, 0=Dense */
43
44#define ACPI_SPARSE_TRANSLATION (u8) 0x01
45
46/*
47 * IO Port Descriptor Decode
48 */
49#define ACPI_DECODE_10 (u8) 0x00 /* 10-bit IO address decode */
50#define ACPI_DECODE_16 (u8) 0x01 /* 16-bit IO address decode */
51
52/*
53 * Interrupt attributes - used in multiple descriptors
54 */
55
56/* Triggering */
57
58#define ACPI_LEVEL_SENSITIVE (u8) 0x00
59#define ACPI_EDGE_SENSITIVE (u8) 0x01
60
61/* Polarity */
62
63#define ACPI_ACTIVE_HIGH (u8) 0x00
64#define ACPI_ACTIVE_LOW (u8) 0x01
65#define ACPI_ACTIVE_BOTH (u8) 0x02
66
67/* Sharing */
68
69#define ACPI_EXCLUSIVE (u8) 0x00
70#define ACPI_SHARED (u8) 0x01
71
72/* Wake */
73
74#define ACPI_NOT_WAKE_CAPABLE (u8) 0x00
75#define ACPI_WAKE_CAPABLE (u8) 0x01
76
77/*
78 * DMA Attributes
79 */
80#define ACPI_COMPATIBILITY (u8) 0x00
81#define ACPI_TYPE_A (u8) 0x01
82#define ACPI_TYPE_B (u8) 0x02
83#define ACPI_TYPE_F (u8) 0x03
84
85#define ACPI_NOT_BUS_MASTER (u8) 0x00
86#define ACPI_BUS_MASTER (u8) 0x01
87
88#define ACPI_TRANSFER_8 (u8) 0x00
89#define ACPI_TRANSFER_8_16 (u8) 0x01
90#define ACPI_TRANSFER_16 (u8) 0x02
91
92/*
93 * Start Dependent Functions Priority definitions
94 */
95#define ACPI_GOOD_CONFIGURATION (u8) 0x00
96#define ACPI_ACCEPTABLE_CONFIGURATION (u8) 0x01
97#define ACPI_SUB_OPTIMAL_CONFIGURATION (u8) 0x02
98
99/*
100 * 16, 32 and 64-bit Address Descriptor resource types
101 */
102#define ACPI_MEMORY_RANGE (u8) 0x00
103#define ACPI_IO_RANGE (u8) 0x01
104#define ACPI_BUS_NUMBER_RANGE (u8) 0x02
105
106#define ACPI_ADDRESS_NOT_FIXED (u8) 0x00
107#define ACPI_ADDRESS_FIXED (u8) 0x01
108
109#define ACPI_POS_DECODE (u8) 0x00
110#define ACPI_SUB_DECODE (u8) 0x01
111
112/* Producer/Consumer */
113
114#define ACPI_PRODUCER (u8) 0x00
115#define ACPI_CONSUMER (u8) 0x01
116
117/*
118 * If possible, pack the following structures to byte alignment
119 */
120#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
121#pragma pack(1)
122#endif
123
124/* UUID data structures for use in vendor-defined resource descriptors */
125
126struct acpi_uuid {
127 u8 data[ACPI_UUID_LENGTH];
128};
129
130struct acpi_vendor_uuid {
131 u8 subtype;
132 u8 data[ACPI_UUID_LENGTH];
133};
134
135/*
136 * Structures used to describe device resources
137 */
138struct acpi_resource_irq {
139 u8 descriptor_length;
140 u8 triggering;
141 u8 polarity;
142 u8 shareable;
143 u8 wake_capable;
144 u8 interrupt_count;
145 union {
146 u8 interrupt;
147 ACPI_FLEX_ARRAY(u8, interrupts);
148 };
149};
150
151struct acpi_resource_dma {
152 u8 type;
153 u8 bus_master;
154 u8 transfer;
155 u8 channel_count;
156 union {
157 u8 channel;
158 ACPI_FLEX_ARRAY(u8, channels);
159 };
160};
161
162struct acpi_resource_start_dependent {
163 u8 descriptor_length;
164 u8 compatibility_priority;
165 u8 performance_robustness;
166};
167
168/*
169 * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
170 * needed because it has no fields
171 */
172
173struct acpi_resource_io {
174 u8 io_decode;
175 u8 alignment;
176 u8 address_length;
177 u16 minimum;
178 u16 maximum;
179};
180
181struct acpi_resource_fixed_io {
182 u16 address;
183 u8 address_length;
184};
185
186struct acpi_resource_fixed_dma {
187 u16 request_lines;
188 u16 channels;
189 u8 width;
190};
191
192/* Values for Width field above */
193
194#define ACPI_DMA_WIDTH8 0
195#define ACPI_DMA_WIDTH16 1
196#define ACPI_DMA_WIDTH32 2
197#define ACPI_DMA_WIDTH64 3
198#define ACPI_DMA_WIDTH128 4
199#define ACPI_DMA_WIDTH256 5
200
201struct acpi_resource_vendor {
202 u16 byte_length;
203 u8 byte_data[];
204};
205
206/* Vendor resource with UUID info (introduced in ACPI 3.0) */
207
208struct acpi_resource_vendor_typed {
209 u16 byte_length;
210 u8 uuid_subtype;
211 u8 uuid[ACPI_UUID_LENGTH];
212 u8 byte_data[];
213};
214
215struct acpi_resource_end_tag {
216 u8 checksum;
217};
218
219struct acpi_resource_memory24 {
220 u8 write_protect;
221 u16 minimum;
222 u16 maximum;
223 u16 alignment;
224 u16 address_length;
225};
226
227struct acpi_resource_memory32 {
228 u8 write_protect;
229 u32 minimum;
230 u32 maximum;
231 u32 alignment;
232 u32 address_length;
233};
234
235struct acpi_resource_fixed_memory32 {
236 u8 write_protect;
237 u32 address;
238 u32 address_length;
239};
240
241struct acpi_memory_attribute {
242 u8 write_protect;
243 u8 caching;
244 u8 range_type;
245 u8 translation;
246};
247
248struct acpi_io_attribute {
249 u8 range_type;
250 u8 translation;
251 u8 translation_type;
252 u8 reserved1;
253};
254
255union acpi_resource_attribute {
256 struct acpi_memory_attribute mem;
257 struct acpi_io_attribute io;
258
259 /* Used for the *word_space macros */
260
261 u8 type_specific;
262};
263
264struct acpi_resource_label {
265 u16 string_length;
266 char *string_ptr;
267};
268
269struct acpi_resource_source {
270 u8 index;
271 u16 string_length;
272 char *string_ptr;
273};
274
275/* Fields common to all address descriptors, 16/32/64 bit */
276
277#define ACPI_RESOURCE_ADDRESS_COMMON \
278 u8 resource_type; \
279 u8 producer_consumer; \
280 u8 decode; \
281 u8 min_address_fixed; \
282 u8 max_address_fixed; \
283 union acpi_resource_attribute info;
284
285struct acpi_address16_attribute {
286 u16 granularity;
287 u16 minimum;
288 u16 maximum;
289 u16 translation_offset;
290 u16 address_length;
291};
292
293struct acpi_address32_attribute {
294 u32 granularity;
295 u32 minimum;
296 u32 maximum;
297 u32 translation_offset;
298 u32 address_length;
299};
300
301struct acpi_address64_attribute {
302 u64 granularity;
303 u64 minimum;
304 u64 maximum;
305 u64 translation_offset;
306 u64 address_length;
307};
308
309struct acpi_resource_address {
310ACPI_RESOURCE_ADDRESS_COMMON};
311
312struct acpi_resource_address16 {
313 ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address16_attribute address;
314 struct acpi_resource_source resource_source;
315};
316
317struct acpi_resource_address32 {
318 ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address32_attribute address;
319 struct acpi_resource_source resource_source;
320};
321
322struct acpi_resource_address64 {
323 ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address64_attribute address;
324 struct acpi_resource_source resource_source;
325};
326
327struct acpi_resource_extended_address64 {
328 ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID;
329 struct acpi_address64_attribute address;
330 u64 type_specific;
331};
332
333struct acpi_resource_extended_irq {
334 u8 producer_consumer;
335 u8 triggering;
336 u8 polarity;
337 u8 shareable;
338 u8 wake_capable;
339 u8 interrupt_count;
340 struct acpi_resource_source resource_source;
341 union {
342 u32 interrupt;
343 ACPI_FLEX_ARRAY(u32, interrupts);
344 };
345};
346
347struct acpi_resource_generic_register {
348 u8 space_id;
349 u8 bit_width;
350 u8 bit_offset;
351 u8 access_size;
352 u64 address;
353};
354
355struct acpi_resource_gpio {
356 u8 revision_id;
357 u8 connection_type;
358 u8 producer_consumer; /* For values, see Producer/Consumer above */
359 u8 pin_config;
360 u8 shareable; /* For values, see Interrupt Attributes above */
361 u8 wake_capable; /* For values, see Interrupt Attributes above */
362 u8 io_restriction;
363 u8 triggering; /* For values, see Interrupt Attributes above */
364 u8 polarity; /* For values, see Interrupt Attributes above */
365 u16 drive_strength;
366 u16 debounce_timeout;
367 u16 pin_table_length;
368 u16 vendor_length;
369 struct acpi_resource_source resource_source;
370 u16 *pin_table;
371 u8 *vendor_data;
372};
373
374/* Values for GPIO connection_type field above */
375
376#define ACPI_RESOURCE_GPIO_TYPE_INT 0
377#define ACPI_RESOURCE_GPIO_TYPE_IO 1
378
379/* Values for pin_config field above */
380
381#define ACPI_PIN_CONFIG_DEFAULT 0
382#define ACPI_PIN_CONFIG_PULLUP 1
383#define ACPI_PIN_CONFIG_PULLDOWN 2
384#define ACPI_PIN_CONFIG_NOPULL 3
385
386/* Values for io_restriction field above */
387
388#define ACPI_IO_RESTRICT_NONE 0
389#define ACPI_IO_RESTRICT_INPUT 1
390#define ACPI_IO_RESTRICT_OUTPUT 2
391#define ACPI_IO_RESTRICT_NONE_PRESERVE 3
392
393/* Common structure for I2C, SPI, UART, CSI2 serial descriptors */
394
395#define ACPI_RESOURCE_SERIAL_COMMON \
396 u8 revision_id; \
397 u8 type; \
398 u8 producer_consumer; /* For values, see Producer/Consumer above */\
399 u8 slave_mode; \
400 u8 connection_sharing; \
401 u8 type_revision_id; \
402 u16 type_data_length; \
403 u16 vendor_length; \
404 struct acpi_resource_source resource_source; \
405 u8 *vendor_data;
406
407struct acpi_resource_common_serialbus {
408ACPI_RESOURCE_SERIAL_COMMON};
409
410/* Values for the Type field above */
411
412#define ACPI_RESOURCE_SERIAL_TYPE_I2C 1
413#define ACPI_RESOURCE_SERIAL_TYPE_SPI 2
414#define ACPI_RESOURCE_SERIAL_TYPE_UART 3
415#define ACPI_RESOURCE_SERIAL_TYPE_CSI2 4
416
417/* Values for slave_mode field above */
418
419#define ACPI_CONTROLLER_INITIATED 0
420#define ACPI_DEVICE_INITIATED 1
421
422struct acpi_resource_i2c_serialbus {
423 ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
424 u16 slave_address;
425 u32 connection_speed;
426};
427
428/* Values for access_mode field above */
429
430#define ACPI_I2C_7BIT_MODE 0
431#define ACPI_I2C_10BIT_MODE 1
432
433struct acpi_resource_spi_serialbus {
434 ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
435 u8 device_polarity;
436 u8 data_bit_length;
437 u8 clock_phase;
438 u8 clock_polarity;
439 u16 device_selection;
440 u32 connection_speed;
441};
442
443/* Values for wire_mode field above */
444
445#define ACPI_SPI_4WIRE_MODE 0
446#define ACPI_SPI_3WIRE_MODE 1
447
448/* Values for device_polarity field above */
449
450#define ACPI_SPI_ACTIVE_LOW 0
451#define ACPI_SPI_ACTIVE_HIGH 1
452
453/* Values for clock_phase field above */
454
455#define ACPI_SPI_FIRST_PHASE 0
456#define ACPI_SPI_SECOND_PHASE 1
457
458/* Values for clock_polarity field above */
459
460#define ACPI_SPI_START_LOW 0
461#define ACPI_SPI_START_HIGH 1
462
463struct acpi_resource_uart_serialbus {
464 ACPI_RESOURCE_SERIAL_COMMON u8 endian;
465 u8 data_bits;
466 u8 stop_bits;
467 u8 flow_control;
468 u8 parity;
469 u8 lines_enabled;
470 u16 rx_fifo_size;
471 u16 tx_fifo_size;
472 u32 default_baud_rate;
473};
474
475/* Values for Endian field above */
476
477#define ACPI_UART_LITTLE_ENDIAN 0
478#define ACPI_UART_BIG_ENDIAN 1
479
480/* Values for data_bits field above */
481
482#define ACPI_UART_5_DATA_BITS 0
483#define ACPI_UART_6_DATA_BITS 1
484#define ACPI_UART_7_DATA_BITS 2
485#define ACPI_UART_8_DATA_BITS 3
486#define ACPI_UART_9_DATA_BITS 4
487
488/* Values for stop_bits field above */
489
490#define ACPI_UART_NO_STOP_BITS 0
491#define ACPI_UART_1_STOP_BIT 1
492#define ACPI_UART_1P5_STOP_BITS 2
493#define ACPI_UART_2_STOP_BITS 3
494
495/* Values for flow_control field above */
496
497#define ACPI_UART_FLOW_CONTROL_NONE 0
498#define ACPI_UART_FLOW_CONTROL_HW 1
499#define ACPI_UART_FLOW_CONTROL_XON_XOFF 2
500
501/* Values for Parity field above */
502
503#define ACPI_UART_PARITY_NONE 0
504#define ACPI_UART_PARITY_EVEN 1
505#define ACPI_UART_PARITY_ODD 2
506#define ACPI_UART_PARITY_MARK 3
507#define ACPI_UART_PARITY_SPACE 4
508
509/* Values for lines_enabled bitfield above */
510
511#define ACPI_UART_CARRIER_DETECT (1<<2)
512#define ACPI_UART_RING_INDICATOR (1<<3)
513#define ACPI_UART_DATA_SET_READY (1<<4)
514#define ACPI_UART_DATA_TERMINAL_READY (1<<5)
515#define ACPI_UART_CLEAR_TO_SEND (1<<6)
516#define ACPI_UART_REQUEST_TO_SEND (1<<7)
517
518struct acpi_resource_csi2_serialbus {
519 ACPI_RESOURCE_SERIAL_COMMON u8 local_port_instance;
520 u8 phy_type;
521};
522
523struct acpi_resource_pin_function {
524 u8 revision_id;
525 u8 pin_config;
526 u8 shareable; /* For values, see Interrupt Attributes above */
527 u16 function_number;
528 u16 pin_table_length;
529 u16 vendor_length;
530 struct acpi_resource_source resource_source;
531 u16 *pin_table;
532 u8 *vendor_data;
533};
534
535struct acpi_resource_pin_config {
536 u8 revision_id;
537 u8 producer_consumer; /* For values, see Producer/Consumer above */
538 u8 shareable; /* For values, see Interrupt Attributes above */
539 u8 pin_config_type;
540 u32 pin_config_value;
541 u16 pin_table_length;
542 u16 vendor_length;
543 struct acpi_resource_source resource_source;
544 u16 *pin_table;
545 u8 *vendor_data;
546};
547
548struct acpi_resource_clock_input {
549 u8 revision_id;
550 u8 mode;
551 u8 scale;
552 u16 frequency_divisor;
553 u32 frequency_numerator;
554 struct acpi_resource_source resource_source;
555};
556
557/* Values for pin_config_type field above */
558
559#define ACPI_PIN_CONFIG_DEFAULT 0
560#define ACPI_PIN_CONFIG_BIAS_PULL_UP 1
561#define ACPI_PIN_CONFIG_BIAS_PULL_DOWN 2
562#define ACPI_PIN_CONFIG_BIAS_DEFAULT 3
563#define ACPI_PIN_CONFIG_BIAS_DISABLE 4
564#define ACPI_PIN_CONFIG_BIAS_HIGH_IMPEDANCE 5
565#define ACPI_PIN_CONFIG_BIAS_BUS_HOLD 6
566#define ACPI_PIN_CONFIG_DRIVE_OPEN_DRAIN 7
567#define ACPI_PIN_CONFIG_DRIVE_OPEN_SOURCE 8
568#define ACPI_PIN_CONFIG_DRIVE_PUSH_PULL 9
569#define ACPI_PIN_CONFIG_DRIVE_STRENGTH 10
570#define ACPI_PIN_CONFIG_SLEW_RATE 11
571#define ACPI_PIN_CONFIG_INPUT_DEBOUNCE 12
572#define ACPI_PIN_CONFIG_INPUT_SCHMITT_TRIGGER 13
573
574struct acpi_resource_pin_group {
575 u8 revision_id;
576 u8 producer_consumer; /* For values, see Producer/Consumer above */
577 u16 pin_table_length;
578 u16 vendor_length;
579 u16 *pin_table;
580 struct acpi_resource_label resource_label;
581 u8 *vendor_data;
582};
583
584struct acpi_resource_pin_group_function {
585 u8 revision_id;
586 u8 producer_consumer; /* For values, see Producer/Consumer above */
587 u8 shareable; /* For values, see Interrupt Attributes above */
588 u16 function_number;
589 u16 vendor_length;
590 struct acpi_resource_source resource_source;
591 struct acpi_resource_label resource_source_label;
592 u8 *vendor_data;
593};
594
595struct acpi_resource_pin_group_config {
596 u8 revision_id;
597 u8 producer_consumer; /* For values, see Producer/Consumer above */
598 u8 shareable; /* For values, see Interrupt Attributes above */
599 u8 pin_config_type; /* For values, see pin_config_type above */
600 u32 pin_config_value;
601 u16 vendor_length;
602 struct acpi_resource_source resource_source;
603 struct acpi_resource_label resource_source_label;
604 u8 *vendor_data;
605};
606
607/* ACPI_RESOURCE_TYPEs */
608
609#define ACPI_RESOURCE_TYPE_IRQ 0
610#define ACPI_RESOURCE_TYPE_DMA 1
611#define ACPI_RESOURCE_TYPE_START_DEPENDENT 2
612#define ACPI_RESOURCE_TYPE_END_DEPENDENT 3
613#define ACPI_RESOURCE_TYPE_IO 4
614#define ACPI_RESOURCE_TYPE_FIXED_IO 5
615#define ACPI_RESOURCE_TYPE_VENDOR 6
616#define ACPI_RESOURCE_TYPE_END_TAG 7
617#define ACPI_RESOURCE_TYPE_MEMORY24 8
618#define ACPI_RESOURCE_TYPE_MEMORY32 9
619#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32 10
620#define ACPI_RESOURCE_TYPE_ADDRESS16 11
621#define ACPI_RESOURCE_TYPE_ADDRESS32 12
622#define ACPI_RESOURCE_TYPE_ADDRESS64 13
623#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 14 /* ACPI 3.0 */
624#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ 15
625#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER 16
626#define ACPI_RESOURCE_TYPE_GPIO 17 /* ACPI 5.0 */
627#define ACPI_RESOURCE_TYPE_FIXED_DMA 18 /* ACPI 5.0 */
628#define ACPI_RESOURCE_TYPE_SERIAL_BUS 19 /* ACPI 5.0 */
629#define ACPI_RESOURCE_TYPE_PIN_FUNCTION 20 /* ACPI 6.2 */
630#define ACPI_RESOURCE_TYPE_PIN_CONFIG 21 /* ACPI 6.2 */
631#define ACPI_RESOURCE_TYPE_PIN_GROUP 22 /* ACPI 6.2 */
632#define ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION 23 /* ACPI 6.2 */
633#define ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG 24 /* ACPI 6.2 */
634#define ACPI_RESOURCE_TYPE_CLOCK_INPUT 25 /* ACPI 6.5 */
635#define ACPI_RESOURCE_TYPE_MAX 25
636
637/* Master union for resource descriptors */
638
639union acpi_resource_data {
640 struct acpi_resource_irq irq;
641 struct acpi_resource_dma dma;
642 struct acpi_resource_start_dependent start_dpf;
643 struct acpi_resource_io io;
644 struct acpi_resource_fixed_io fixed_io;
645 struct acpi_resource_fixed_dma fixed_dma;
646 struct acpi_resource_vendor vendor;
647 struct acpi_resource_vendor_typed vendor_typed;
648 struct acpi_resource_end_tag end_tag;
649 struct acpi_resource_memory24 memory24;
650 struct acpi_resource_memory32 memory32;
651 struct acpi_resource_fixed_memory32 fixed_memory32;
652 struct acpi_resource_address16 address16;
653 struct acpi_resource_address32 address32;
654 struct acpi_resource_address64 address64;
655 struct acpi_resource_extended_address64 ext_address64;
656 struct acpi_resource_extended_irq extended_irq;
657 struct acpi_resource_generic_register generic_reg;
658 struct acpi_resource_gpio gpio;
659 struct acpi_resource_i2c_serialbus i2c_serial_bus;
660 struct acpi_resource_spi_serialbus spi_serial_bus;
661 struct acpi_resource_uart_serialbus uart_serial_bus;
662 struct acpi_resource_csi2_serialbus csi2_serial_bus;
663 struct acpi_resource_common_serialbus common_serial_bus;
664 struct acpi_resource_pin_function pin_function;
665 struct acpi_resource_pin_config pin_config;
666 struct acpi_resource_pin_group pin_group;
667 struct acpi_resource_pin_group_function pin_group_function;
668 struct acpi_resource_pin_group_config pin_group_config;
669 struct acpi_resource_clock_input clock_input;
670
671 /* Common fields */
672
673 struct acpi_resource_address address; /* Common 16/32/64 address fields */
674};
675
676/* Common resource header */
677
678struct acpi_resource {
679 u32 type;
680 u32 length;
681 union acpi_resource_data data;
682};
683
684/* restore default alignment */
685
686#pragma pack()
687
688#define ACPI_RS_SIZE_NO_DATA 8 /* Id + Length fields */
689#define ACPI_RS_SIZE_MIN (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
690#define ACPI_RS_SIZE(type) (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
691
692/* Macro for walking resource templates with multiple descriptors */
693
694#define ACPI_NEXT_RESOURCE(res) \
695 ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length)
696
697struct acpi_pci_routing_table {
698 u32 length;
699 u32 pin;
700 u64 address; /* here for 64-bit alignment */
701 u32 source_index;
702 union {
703 char pad[4]; /* pad to 64 bits so sizeof() works in all cases */
704 ACPI_FLEX_ARRAY(char, source);
705 };
706};
707
708#endif /* __ACRESTYP_H__ */
709