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 - 2019, 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 u8 interrupts[1]; 146}; 147 148struct acpi_resource_dma { 149 u8 type; 150 u8 bus_master; 151 u8 transfer; 152 u8 channel_count; 153 u8 channels[1]; 154}; 155 156struct acpi_resource_start_dependent { 157 u8 descriptor_length; 158 u8 compatibility_priority; 159 u8 performance_robustness; 160}; 161 162/* 163 * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not 164 * needed because it has no fields 165 */ 166 167struct acpi_resource_io { 168 u8 io_decode; 169 u8 alignment; 170 u8 address_length; 171 u16 minimum; 172 u16 maximum; 173}; 174 175struct acpi_resource_fixed_io { 176 u16 address; 177 u8 address_length; 178}; 179 180struct acpi_resource_fixed_dma { 181 u16 request_lines; 182 u16 channels; 183 u8 width; 184}; 185 186/* Values for Width field above */ 187 188#define ACPI_DMA_WIDTH8 0 189#define ACPI_DMA_WIDTH16 1 190#define ACPI_DMA_WIDTH32 2 191#define ACPI_DMA_WIDTH64 3 192#define ACPI_DMA_WIDTH128 4 193#define ACPI_DMA_WIDTH256 5 194 195struct acpi_resource_vendor { 196 u16 byte_length; 197 u8 byte_data[1]; 198}; 199 200/* Vendor resource with UUID info (introduced in ACPI 3.0) */ 201 202struct acpi_resource_vendor_typed { 203 u16 byte_length; 204 u8 uuid_subtype; 205 u8 uuid[ACPI_UUID_LENGTH]; 206 u8 byte_data[1]; 207}; 208 209struct acpi_resource_end_tag { 210 u8 checksum; 211}; 212 213struct acpi_resource_memory24 { 214 u8 write_protect; 215 u16 minimum; 216 u16 maximum; 217 u16 alignment; 218 u16 address_length; 219}; 220 221struct acpi_resource_memory32 { 222 u8 write_protect; 223 u32 minimum; 224 u32 maximum; 225 u32 alignment; 226 u32 address_length; 227}; 228 229struct acpi_resource_fixed_memory32 { 230 u8 write_protect; 231 u32 address; 232 u32 address_length; 233}; 234 235struct acpi_memory_attribute { 236 u8 write_protect; 237 u8 caching; 238 u8 range_type; 239 u8 translation; 240}; 241 242struct acpi_io_attribute { 243 u8 range_type; 244 u8 translation; 245 u8 translation_type; 246 u8 reserved1; 247}; 248 249union acpi_resource_attribute { 250 struct acpi_memory_attribute mem; 251 struct acpi_io_attribute io; 252 253 /* Used for the *word_space macros */ 254 255 u8 type_specific; 256}; 257 258struct acpi_resource_label { 259 u16 string_length; 260 char *string_ptr; 261}; 262 263struct acpi_resource_source { 264 u8 index; 265 u16 string_length; 266 char *string_ptr; 267}; 268 269/* Fields common to all address descriptors, 16/32/64 bit */ 270 271#define ACPI_RESOURCE_ADDRESS_COMMON \ 272 u8 resource_type; \ 273 u8 producer_consumer; \ 274 u8 decode; \ 275 u8 min_address_fixed; \ 276 u8 max_address_fixed; \ 277 union acpi_resource_attribute info; 278 279struct acpi_address16_attribute { 280 u16 granularity; 281 u16 minimum; 282 u16 maximum; 283 u16 translation_offset; 284 u16 address_length; 285}; 286 287struct acpi_address32_attribute { 288 u32 granularity; 289 u32 minimum; 290 u32 maximum; 291 u32 translation_offset; 292 u32 address_length; 293}; 294 295struct acpi_address64_attribute { 296 u64 granularity; 297 u64 minimum; 298 u64 maximum; 299 u64 translation_offset; 300 u64 address_length; 301}; 302 303struct acpi_resource_address { 304ACPI_RESOURCE_ADDRESS_COMMON}; 305 306struct acpi_resource_address16 { 307 ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address16_attribute address; 308 struct acpi_resource_source resource_source; 309}; 310 311struct acpi_resource_address32 { 312 ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address32_attribute address; 313 struct acpi_resource_source resource_source; 314}; 315 316struct acpi_resource_address64 { 317 ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address64_attribute address; 318 struct acpi_resource_source resource_source; 319}; 320 321struct acpi_resource_extended_address64 { 322 ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID; 323 struct acpi_address64_attribute address; 324 u64 type_specific; 325}; 326 327struct acpi_resource_extended_irq { 328 u8 producer_consumer; 329 u8 triggering; 330 u8 polarity; 331 u8 shareable; 332 u8 wake_capable; 333 u8 interrupt_count; 334 struct acpi_resource_source resource_source; 335 u32 interrupts[1]; 336}; 337 338struct acpi_resource_generic_register { 339 u8 space_id; 340 u8 bit_width; 341 u8 bit_offset; 342 u8 access_size; 343 u64 address; 344}; 345 346struct acpi_resource_gpio { 347 u8 revision_id; 348 u8 connection_type; 349 u8 producer_consumer; /* For values, see Producer/Consumer above */ 350 u8 pin_config; 351 u8 shareable; /* For values, see Interrupt Attributes above */ 352 u8 wake_capable; /* For values, see Interrupt Attributes above */ 353 u8 io_restriction; 354 u8 triggering; /* For values, see Interrupt Attributes above */ 355 u8 polarity; /* For values, see Interrupt Attributes above */ 356 u16 drive_strength; 357 u16 debounce_timeout; 358 u16 pin_table_length; 359 u16 vendor_length; 360 struct acpi_resource_source resource_source; 361 u16 *pin_table; 362 u8 *vendor_data; 363}; 364 365/* Values for GPIO connection_type field above */ 366 367#define ACPI_RESOURCE_GPIO_TYPE_INT 0 368#define ACPI_RESOURCE_GPIO_TYPE_IO 1 369 370/* Values for pin_config field above */ 371 372#define ACPI_PIN_CONFIG_DEFAULT 0 373#define ACPI_PIN_CONFIG_PULLUP 1 374#define ACPI_PIN_CONFIG_PULLDOWN 2 375#define ACPI_PIN_CONFIG_NOPULL 3 376 377/* Values for io_restriction field above */ 378 379#define ACPI_IO_RESTRICT_NONE 0 380#define ACPI_IO_RESTRICT_INPUT 1 381#define ACPI_IO_RESTRICT_OUTPUT 2 382#define ACPI_IO_RESTRICT_NONE_PRESERVE 3 383 384/* Common structure for I2C, SPI, and UART serial descriptors */ 385 386#define ACPI_RESOURCE_SERIAL_COMMON \ 387 u8 revision_id; \ 388 u8 type; \ 389 u8 producer_consumer; /* For values, see Producer/Consumer above */\ 390 u8 slave_mode; \ 391 u8 connection_sharing; \ 392 u8 type_revision_id; \ 393 u16 type_data_length; \ 394 u16 vendor_length; \ 395 struct acpi_resource_source resource_source; \ 396 u8 *vendor_data; 397 398struct acpi_resource_common_serialbus { 399ACPI_RESOURCE_SERIAL_COMMON}; 400 401/* Values for the Type field above */ 402 403#define ACPI_RESOURCE_SERIAL_TYPE_I2C 1 404#define ACPI_RESOURCE_SERIAL_TYPE_SPI 2 405#define ACPI_RESOURCE_SERIAL_TYPE_UART 3 406 407/* Values for slave_mode field above */ 408 409#define ACPI_CONTROLLER_INITIATED 0 410#define ACPI_DEVICE_INITIATED 1 411 412struct acpi_resource_i2c_serialbus { 413 ACPI_RESOURCE_SERIAL_COMMON u8 access_mode; 414 u16 slave_address; 415 u32 connection_speed; 416}; 417 418/* Values for access_mode field above */ 419 420#define ACPI_I2C_7BIT_MODE 0 421#define ACPI_I2C_10BIT_MODE 1 422 423struct acpi_resource_spi_serialbus { 424 ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode; 425 u8 device_polarity; 426 u8 data_bit_length; 427 u8 clock_phase; 428 u8 clock_polarity; 429 u16 device_selection; 430 u32 connection_speed; 431}; 432 433/* Values for wire_mode field above */ 434 435#define ACPI_SPI_4WIRE_MODE 0 436#define ACPI_SPI_3WIRE_MODE 1 437 438/* Values for device_polarity field above */ 439 440#define ACPI_SPI_ACTIVE_LOW 0 441#define ACPI_SPI_ACTIVE_HIGH 1 442 443/* Values for clock_phase field above */ 444 445#define ACPI_SPI_FIRST_PHASE 0 446#define ACPI_SPI_SECOND_PHASE 1 447 448/* Values for clock_polarity field above */ 449 450#define ACPI_SPI_START_LOW 0 451#define ACPI_SPI_START_HIGH 1 452 453struct acpi_resource_uart_serialbus { 454 ACPI_RESOURCE_SERIAL_COMMON u8 endian; 455 u8 data_bits; 456 u8 stop_bits; 457 u8 flow_control; 458 u8 parity; 459 u8 lines_enabled; 460 u16 rx_fifo_size; 461 u16 tx_fifo_size; 462 u32 default_baud_rate; 463}; 464 465/* Values for Endian field above */ 466 467#define ACPI_UART_LITTLE_ENDIAN 0 468#define ACPI_UART_BIG_ENDIAN 1 469 470/* Values for data_bits field above */ 471 472#define ACPI_UART_5_DATA_BITS 0 473#define ACPI_UART_6_DATA_BITS 1 474#define ACPI_UART_7_DATA_BITS 2 475#define ACPI_UART_8_DATA_BITS 3 476#define ACPI_UART_9_DATA_BITS 4 477 478/* Values for stop_bits field above */ 479 480#define ACPI_UART_NO_STOP_BITS 0 481#define ACPI_UART_1_STOP_BIT 1 482#define ACPI_UART_1P5_STOP_BITS 2 483#define ACPI_UART_2_STOP_BITS 3 484 485/* Values for flow_control field above */ 486 487#define ACPI_UART_FLOW_CONTROL_NONE 0 488#define ACPI_UART_FLOW_CONTROL_HW 1 489#define ACPI_UART_FLOW_CONTROL_XON_XOFF 2 490 491/* Values for Parity field above */ 492 493#define ACPI_UART_PARITY_NONE 0 494#define ACPI_UART_PARITY_EVEN 1 495#define ACPI_UART_PARITY_ODD 2 496#define ACPI_UART_PARITY_MARK 3 497#define ACPI_UART_PARITY_SPACE 4 498 499/* Values for lines_enabled bitfield above */ 500 501#define ACPI_UART_CARRIER_DETECT (1<<2) 502#define ACPI_UART_RING_INDICATOR (1<<3) 503#define ACPI_UART_DATA_SET_READY (1<<4) 504#define ACPI_UART_DATA_TERMINAL_READY (1<<5) 505#define ACPI_UART_CLEAR_TO_SEND (1<<6) 506#define ACPI_UART_REQUEST_TO_SEND (1<<7) 507 508struct acpi_resource_pin_function { 509 u8 revision_id; 510 u8 pin_config; 511 u8 shareable; /* For values, see Interrupt Attributes above */ 512 u16 function_number; 513 u16 pin_table_length; 514 u16 vendor_length; 515 struct acpi_resource_source resource_source; 516 u16 *pin_table; 517 u8 *vendor_data; 518}; 519 520struct acpi_resource_pin_config { 521 u8 revision_id; 522 u8 producer_consumer; /* For values, see Producer/Consumer above */ 523 u8 shareable; /* For values, see Interrupt Attributes above */ 524 u8 pin_config_type; 525 u32 pin_config_value; 526 u16 pin_table_length; 527 u16 vendor_length; 528 struct acpi_resource_source resource_source; 529 u16 *pin_table; 530 u8 *vendor_data; 531}; 532 533/* Values for pin_config_type field above */ 534 535#define ACPI_PIN_CONFIG_DEFAULT 0 536#define ACPI_PIN_CONFIG_BIAS_PULL_UP 1 537#define ACPI_PIN_CONFIG_BIAS_PULL_DOWN 2 538#define ACPI_PIN_CONFIG_BIAS_DEFAULT 3 539#define ACPI_PIN_CONFIG_BIAS_DISABLE 4 540#define ACPI_PIN_CONFIG_BIAS_HIGH_IMPEDANCE 5 541#define ACPI_PIN_CONFIG_BIAS_BUS_HOLD 6 542#define ACPI_PIN_CONFIG_DRIVE_OPEN_DRAIN 7 543#define ACPI_PIN_CONFIG_DRIVE_OPEN_SOURCE 8 544#define ACPI_PIN_CONFIG_DRIVE_PUSH_PULL 9 545#define ACPI_PIN_CONFIG_DRIVE_STRENGTH 10 546#define ACPI_PIN_CONFIG_SLEW_RATE 11 547#define ACPI_PIN_CONFIG_INPUT_DEBOUNCE 12 548#define ACPI_PIN_CONFIG_INPUT_SCHMITT_TRIGGER 13 549 550struct acpi_resource_pin_group { 551 u8 revision_id; 552 u8 producer_consumer; /* For values, see Producer/Consumer above */ 553 u16 pin_table_length; 554 u16 vendor_length; 555 u16 *pin_table; 556 struct acpi_resource_label resource_label; 557 u8 *vendor_data; 558}; 559 560struct acpi_resource_pin_group_function { 561 u8 revision_id; 562 u8 producer_consumer; /* For values, see Producer/Consumer above */ 563 u8 shareable; /* For values, see Interrupt Attributes above */ 564 u16 function_number; 565 u16 vendor_length; 566 struct acpi_resource_source resource_source; 567 struct acpi_resource_label resource_source_label; 568 u8 *vendor_data; 569}; 570 571struct acpi_resource_pin_group_config { 572 u8 revision_id; 573 u8 producer_consumer; /* For values, see Producer/Consumer above */ 574 u8 shareable; /* For values, see Interrupt Attributes above */ 575 u8 pin_config_type; /* For values, see pin_config_type above */ 576 u32 pin_config_value; 577 u16 vendor_length; 578 struct acpi_resource_source resource_source; 579 struct acpi_resource_label resource_source_label; 580 u8 *vendor_data; 581}; 582 583/* ACPI_RESOURCE_TYPEs */ 584 585#define ACPI_RESOURCE_TYPE_IRQ 0 586#define ACPI_RESOURCE_TYPE_DMA 1 587#define ACPI_RESOURCE_TYPE_START_DEPENDENT 2 588#define ACPI_RESOURCE_TYPE_END_DEPENDENT 3 589#define ACPI_RESOURCE_TYPE_IO 4 590#define ACPI_RESOURCE_TYPE_FIXED_IO 5 591#define ACPI_RESOURCE_TYPE_VENDOR 6 592#define ACPI_RESOURCE_TYPE_END_TAG 7 593#define ACPI_RESOURCE_TYPE_MEMORY24 8 594#define ACPI_RESOURCE_TYPE_MEMORY32 9 595#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32 10 596#define ACPI_RESOURCE_TYPE_ADDRESS16 11 597#define ACPI_RESOURCE_TYPE_ADDRESS32 12 598#define ACPI_RESOURCE_TYPE_ADDRESS64 13 599#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 14 /* ACPI 3.0 */ 600#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ 15 601#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER 16 602#define ACPI_RESOURCE_TYPE_GPIO 17 /* ACPI 5.0 */ 603#define ACPI_RESOURCE_TYPE_FIXED_DMA 18 /* ACPI 5.0 */ 604#define ACPI_RESOURCE_TYPE_SERIAL_BUS 19 /* ACPI 5.0 */ 605#define ACPI_RESOURCE_TYPE_PIN_FUNCTION 20 /* ACPI 6.2 */ 606#define ACPI_RESOURCE_TYPE_PIN_CONFIG 21 /* ACPI 6.2 */ 607#define ACPI_RESOURCE_TYPE_PIN_GROUP 22 /* ACPI 6.2 */ 608#define ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION 23 /* ACPI 6.2 */ 609#define ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG 24 /* ACPI 6.2 */ 610#define ACPI_RESOURCE_TYPE_MAX 24 611 612/* Master union for resource descriptors */ 613 614union acpi_resource_data { 615 struct acpi_resource_irq irq; 616 struct acpi_resource_dma dma; 617 struct acpi_resource_start_dependent start_dpf; 618 struct acpi_resource_io io; 619 struct acpi_resource_fixed_io fixed_io; 620 struct acpi_resource_fixed_dma fixed_dma; 621 struct acpi_resource_vendor vendor; 622 struct acpi_resource_vendor_typed vendor_typed; 623 struct acpi_resource_end_tag end_tag; 624 struct acpi_resource_memory24 memory24; 625 struct acpi_resource_memory32 memory32; 626 struct acpi_resource_fixed_memory32 fixed_memory32; 627 struct acpi_resource_address16 address16; 628 struct acpi_resource_address32 address32; 629 struct acpi_resource_address64 address64; 630 struct acpi_resource_extended_address64 ext_address64; 631 struct acpi_resource_extended_irq extended_irq; 632 struct acpi_resource_generic_register generic_reg; 633 struct acpi_resource_gpio gpio; 634 struct acpi_resource_i2c_serialbus i2c_serial_bus; 635 struct acpi_resource_spi_serialbus spi_serial_bus; 636 struct acpi_resource_uart_serialbus uart_serial_bus; 637 struct acpi_resource_common_serialbus common_serial_bus; 638 struct acpi_resource_pin_function pin_function; 639 struct acpi_resource_pin_config pin_config; 640 struct acpi_resource_pin_group pin_group; 641 struct acpi_resource_pin_group_function pin_group_function; 642 struct acpi_resource_pin_group_config pin_group_config; 643 644 /* Common fields */ 645 646 struct acpi_resource_address address; /* Common 16/32/64 address fields */ 647}; 648 649/* Common resource header */ 650 651struct acpi_resource { 652 u32 type; 653 u32 length; 654 union acpi_resource_data data; 655}; 656 657/* restore default alignment */ 658 659#pragma pack() 660 661#define ACPI_RS_SIZE_NO_DATA 8 /* Id + Length fields */ 662#define ACPI_RS_SIZE_MIN (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12) 663#define ACPI_RS_SIZE(type) (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type)) 664 665/* Macro for walking resource templates with multiple descriptors */ 666 667#define ACPI_NEXT_RESOURCE(res) \ 668 ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length) 669 670struct acpi_pci_routing_table { 671 u32 length; 672 u32 pin; 673 u64 address; /* here for 64-bit alignment */ 674 u32 source_index; 675 char source[4]; /* pad to 64 bits so sizeof() works in all cases */ 676}; 677 678#endif /* __ACRESTYP_H__ */ 679