include/acpi/acrestyp.h

   1 /******************************************************************************
   2  *
   3  * Name: acrestyp.h - Defines, types, and structures for resource descriptors
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2014, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACRESTYP_H__
  45 #define __ACRESTYP_H__
  46
  47 /*
  48  * Definitions for Resource Attributes
  49  */
  50 typedef u16 acpi_rs_length;     /* Resource Length field is fixed at 16 bits */
  51 typedef u32 acpi_rsdesc_size;   /* Max Resource Descriptor size is (Length+3) = (64K-1)+3 */
  52
  53 /*
  54  * Memory Attributes
  55  */
  56 #define ACPI_READ_ONLY_MEMORY           (u8) 0x00
  57 #define ACPI_READ_WRITE_MEMORY          (u8) 0x01
  58
  59 #define ACPI_NON_CACHEABLE_MEMORY       (u8) 0x00
  60 #define ACPI_CACHABLE_MEMORY            (u8) 0x01
  61 #define ACPI_WRITE_COMBINING_MEMORY     (u8) 0x02
  62 #define ACPI_PREFETCHABLE_MEMORY        (u8) 0x03
  63
  64 /*! [Begin] no source code translation */
  65 /*
  66  * IO Attributes
  67  * The ISA IO ranges are:     n000-n0FFh,  n400-n4FFh, n800-n8FFh, nC00-nCFFh.
  68  * The non-ISA IO ranges are: n100-n3FFh,  n500-n7FFh, n900-nBFFh, nCD0-nFFFh.
  69  */
  70 /*! [End] no source code translation !*/
  71
  72 #define ACPI_NON_ISA_ONLY_RANGES        (u8) 0x01
  73 #define ACPI_ISA_ONLY_RANGES            (u8) 0x02
  74 #define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
  75
  76 /* Type of translation - 1=Sparse, 0=Dense */
  77
  78 #define ACPI_SPARSE_TRANSLATION         (u8) 0x01
  79
  80 /*
  81  * IO Port Descriptor Decode
  82  */
  83 #define ACPI_DECODE_10                  (u8) 0x00       /* 10-bit IO address decode */
  84 #define ACPI_DECODE_16                  (u8) 0x01       /* 16-bit IO address decode */
  85
  86 /*
  87  * Interrupt attributes - used in multiple descriptors
  88  */
  89
  90 /* Triggering */
  91
  92 #define ACPI_LEVEL_SENSITIVE            (u8) 0x00
  93 #define ACPI_EDGE_SENSITIVE             (u8) 0x01
  94
  95 /* Polarity */
  96
  97 #define ACPI_ACTIVE_HIGH                (u8) 0x00
  98 #define ACPI_ACTIVE_LOW                 (u8) 0x01
  99 #define ACPI_ACTIVE_BOTH                (u8) 0x02
 100
 101 /* Sharing */
 102
 103 #define ACPI_EXCLUSIVE                  (u8) 0x00
 104 #define ACPI_SHARED                     (u8) 0x01
 105
 106 /* Wake */
 107
 108 #define ACPI_NOT_WAKE_CAPABLE           (u8) 0x00
 109 #define ACPI_WAKE_CAPABLE               (u8) 0x01
 110
 111 /*
 112  * DMA Attributes
 113  */
 114 #define ACPI_COMPATIBILITY              (u8) 0x00
 115 #define ACPI_TYPE_A                     (u8) 0x01
 116 #define ACPI_TYPE_B                     (u8) 0x02
 117 #define ACPI_TYPE_F                     (u8) 0x03
 118
 119 #define ACPI_NOT_BUS_MASTER             (u8) 0x00
 120 #define ACPI_BUS_MASTER                 (u8) 0x01
 121
 122 #define ACPI_TRANSFER_8                 (u8) 0x00
 123 #define ACPI_TRANSFER_8_16              (u8) 0x01
 124 #define ACPI_TRANSFER_16                (u8) 0x02
 125
 126 /*
 127  * Start Dependent Functions Priority definitions
 128  */
 129 #define ACPI_GOOD_CONFIGURATION         (u8) 0x00
 130 #define ACPI_ACCEPTABLE_CONFIGURATION   (u8) 0x01
 131 #define ACPI_SUB_OPTIMAL_CONFIGURATION  (u8) 0x02
 132
 133 /*
 134  * 16, 32 and 64-bit Address Descriptor resource types
 135  */
 136 #define ACPI_MEMORY_RANGE               (u8) 0x00
 137 #define ACPI_IO_RANGE                   (u8) 0x01
 138 #define ACPI_BUS_NUMBER_RANGE           (u8) 0x02
 139
 140 #define ACPI_ADDRESS_NOT_FIXED          (u8) 0x00
 141 #define ACPI_ADDRESS_FIXED              (u8) 0x01
 142
 143 #define ACPI_POS_DECODE                 (u8) 0x00
 144 #define ACPI_SUB_DECODE                 (u8) 0x01
 145
 146 /* Producer/Consumer */
 147
 148 #define ACPI_PRODUCER                   (u8) 0x00
 149 #define ACPI_CONSUMER                   (u8) 0x01
 150
 151 /*
 152  * If possible, pack the following structures to byte alignment
 153  */
 154 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
 155 #pragma pack(1)
 156 #endif
 157
 158 /* UUID data structures for use in vendor-defined resource descriptors */
 159
 160 struct acpi_uuid {
 161         u8 data[ACPI_UUID_LENGTH];
 162 };
 163
 164 struct acpi_vendor_uuid {
 165         u8 subtype;
 166         u8 data[ACPI_UUID_LENGTH];
 167 };
 168
 169 /*
 170  * Structures used to describe device resources
 171  */
 172 struct acpi_resource_irq {
 173         u8 descriptor_length;
 174         u8 triggering;
 175         u8 polarity;
 176         u8 sharable;
 177         u8 wake_capable;
 178         u8 interrupt_count;
 179         u8 interrupts[1];
 180 };
 181
 182 struct acpi_resource_dma {
 183         u8 type;
 184         u8 bus_master;
 185         u8 transfer;
 186         u8 channel_count;
 187         u8 channels[1];
 188 };
 189
 190 struct acpi_resource_start_dependent {
 191         u8 descriptor_length;
 192         u8 compatibility_priority;
 193         u8 performance_robustness;
 194 };
 195
 196 /*
 197  * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
 198  * needed because it has no fields
 199  */
 200
 201 struct acpi_resource_io {
 202         u8 io_decode;
 203         u8 alignment;
 204         u8 address_length;
 205         u16 minimum;
 206         u16 maximum;
 207 };
 208
 209 struct acpi_resource_fixed_io {
 210         u16 address;
 211         u8 address_length;
 212 };
 213
 214 struct acpi_resource_fixed_dma {
 215         u16 request_lines;
 216         u16 channels;
 217         u8 width;
 218 };
 219
 220 /* Values for Width field above */
 221
 222 #define ACPI_DMA_WIDTH8                         0
 223 #define ACPI_DMA_WIDTH16                        1
 224 #define ACPI_DMA_WIDTH32                        2
 225 #define ACPI_DMA_WIDTH64                        3
 226 #define ACPI_DMA_WIDTH128                       4
 227 #define ACPI_DMA_WIDTH256                       5
 228
 229 struct acpi_resource_vendor {
 230         u16 byte_length;
 231         u8 byte_data[1];
 232 };
 233
 234 /* Vendor resource with UUID info (introduced in ACPI 3.0) */
 235
 236 struct acpi_resource_vendor_typed {
 237         u16 byte_length;
 238         u8 uuid_subtype;
 239         u8 uuid[ACPI_UUID_LENGTH];
 240         u8 byte_data[1];
 241 };
 242
 243 struct acpi_resource_end_tag {
 244         u8 checksum;
 245 };
 246
 247 struct acpi_resource_memory24 {
 248         u8 write_protect;
 249         u16 minimum;
 250         u16 maximum;
 251         u16 alignment;
 252         u16 address_length;
 253 };
 254
 255 struct acpi_resource_memory32 {
 256         u8 write_protect;
 257         u32 minimum;
 258         u32 maximum;
 259         u32 alignment;
 260         u32 address_length;
 261 };
 262
 263 struct acpi_resource_fixed_memory32 {
 264         u8 write_protect;
 265         u32 address;
 266         u32 address_length;
 267 };
 268
 269 struct acpi_memory_attribute {
 270         u8 write_protect;
 271         u8 caching;
 272         u8 range_type;
 273         u8 translation;
 274 };
 275
 276 struct acpi_io_attribute {
 277         u8 range_type;
 278         u8 translation;
 279         u8 translation_type;
 280         u8 reserved1;
 281 };
 282
 283 union acpi_resource_attribute {
 284         struct acpi_memory_attribute mem;
 285         struct acpi_io_attribute io;
 286
 287         /* Used for the *word_space macros */
 288
 289         u8 type_specific;
 290 };
 291
 292 struct acpi_resource_source {
 293         u8 index;
 294         u16 string_length;
 295         char *string_ptr;
 296 };
 297
 298 /* Fields common to all address descriptors, 16/32/64 bit */
 299
 300 #define ACPI_RESOURCE_ADDRESS_COMMON \
 301         u8                                      resource_type; \
 302         u8                                      producer_consumer; \
 303         u8                                      decode; \
 304         u8                                      min_address_fixed; \
 305         u8                                      max_address_fixed; \
 306         union acpi_resource_attribute           info;
 307
 308 struct acpi_resource_address {
 309 ACPI_RESOURCE_ADDRESS_COMMON};
 310
 311 struct acpi_resource_address16 {
 312         ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
 313         u16 minimum;
 314         u16 maximum;
 315         u16 translation_offset;
 316         u16 address_length;
 317         struct acpi_resource_source resource_source;
 318 };
 319
 320 struct acpi_resource_address32 {
 321         ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
 322         u32 minimum;
 323         u32 maximum;
 324         u32 translation_offset;
 325         u32 address_length;
 326         struct acpi_resource_source resource_source;
 327 };
 328
 329 struct acpi_resource_address64 {
 330         ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
 331         u64 minimum;
 332         u64 maximum;
 333         u64 translation_offset;
 334         u64 address_length;
 335         struct acpi_resource_source resource_source;
 336 };
 337
 338 struct acpi_resource_extended_address64 {
 339         ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID;
 340         u64 granularity;
 341         u64 minimum;
 342         u64 maximum;
 343         u64 translation_offset;
 344         u64 address_length;
 345         u64 type_specific;
 346 };
 347
 348 struct acpi_resource_extended_irq {
 349         u8 producer_consumer;
 350         u8 triggering;
 351         u8 polarity;
 352         u8 sharable;
 353         u8 wake_capable;
 354         u8 interrupt_count;
 355         struct acpi_resource_source resource_source;
 356         u32 interrupts[1];
 357 };
 358
 359 struct acpi_resource_generic_register {
 360         u8 space_id;
 361         u8 bit_width;
 362         u8 bit_offset;
 363         u8 access_size;
 364         u64 address;
 365 };
 366
 367 struct acpi_resource_gpio {
 368         u8 revision_id;
 369         u8 connection_type;
 370         u8 producer_consumer;   /* For values, see Producer/Consumer above */
 371         u8 pin_config;
 372         u8 sharable;            /* For values, see Interrupt Attributes above */
 373         u8 wake_capable;        /* For values, see Interrupt Attributes above */
 374         u8 io_restriction;
 375         u8 triggering;          /* For values, see Interrupt Attributes above */
 376         u8 polarity;            /* For values, see Interrupt Attributes above */
 377         u16 drive_strength;
 378         u16 debounce_timeout;
 379         u16 pin_table_length;
 380         u16 vendor_length;
 381         struct acpi_resource_source resource_source;
 382         u16 *pin_table;
 383         u8 *vendor_data;
 384 };
 385
 386 /* Values for GPIO connection_type field above */
 387
 388 #define ACPI_RESOURCE_GPIO_TYPE_INT             0
 389 #define ACPI_RESOURCE_GPIO_TYPE_IO              1
 390
 391 /* Values for pin_config field above */
 392
 393 #define ACPI_PIN_CONFIG_DEFAULT                 0
 394 #define ACPI_PIN_CONFIG_PULLUP                  1
 395 #define ACPI_PIN_CONFIG_PULLDOWN                2
 396 #define ACPI_PIN_CONFIG_NOPULL                  3
 397
 398 /* Values for io_restriction field above */
 399
 400 #define ACPI_IO_RESTRICT_NONE                   0
 401 #define ACPI_IO_RESTRICT_INPUT                  1
 402 #define ACPI_IO_RESTRICT_OUTPUT                 2
 403 #define ACPI_IO_RESTRICT_NONE_PRESERVE          3
 404
 405 /* Common structure for I2C, SPI, and UART serial descriptors */
 406
 407 #define ACPI_RESOURCE_SERIAL_COMMON \
 408         u8                                      revision_id; \
 409         u8                                      type; \
 410         u8                                      producer_consumer;   /* For values, see Producer/Consumer above */\
 411         u8                                      slave_mode; \
 412         u8                                      type_revision_id; \
 413         u16                                     type_data_length; \
 414         u16                                     vendor_length; \
 415         struct acpi_resource_source             resource_source; \
 416         u8                                      *vendor_data;
 417
 418 struct acpi_resource_common_serialbus {
 419 ACPI_RESOURCE_SERIAL_COMMON};
 420
 421 /* Values for the Type field above */
 422
 423 #define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
 424 #define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
 425 #define ACPI_RESOURCE_SERIAL_TYPE_UART          3
 426
 427 /* Values for slave_mode field above */
 428
 429 #define ACPI_CONTROLLER_INITIATED               0
 430 #define ACPI_DEVICE_INITIATED                   1
 431
 432 struct acpi_resource_i2c_serialbus {
 433         ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
 434         u16 slave_address;
 435         u32 connection_speed;
 436 };
 437
 438 /* Values for access_mode field above */
 439
 440 #define ACPI_I2C_7BIT_MODE                      0
 441 #define ACPI_I2C_10BIT_MODE                     1
 442
 443 struct acpi_resource_spi_serialbus {
 444         ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
 445         u8 device_polarity;
 446         u8 data_bit_length;
 447         u8 clock_phase;
 448         u8 clock_polarity;
 449         u16 device_selection;
 450         u32 connection_speed;
 451 };
 452
 453 /* Values for wire_mode field above */
 454
 455 #define ACPI_SPI_4WIRE_MODE                     0
 456 #define ACPI_SPI_3WIRE_MODE                     1
 457
 458 /* Values for device_polarity field above */
 459
 460 #define ACPI_SPI_ACTIVE_LOW                     0
 461 #define ACPI_SPI_ACTIVE_HIGH                    1
 462
 463 /* Values for clock_phase field above */
 464
 465 #define ACPI_SPI_FIRST_PHASE                    0
 466 #define ACPI_SPI_SECOND_PHASE                   1
 467
 468 /* Values for clock_polarity field above */
 469
 470 #define ACPI_SPI_START_LOW                      0
 471 #define ACPI_SPI_START_HIGH                     1
 472
 473 struct acpi_resource_uart_serialbus {
 474         ACPI_RESOURCE_SERIAL_COMMON u8 endian;
 475         u8 data_bits;
 476         u8 stop_bits;
 477         u8 flow_control;
 478         u8 parity;
 479         u8 lines_enabled;
 480         u16 rx_fifo_size;
 481         u16 tx_fifo_size;
 482         u32 default_baud_rate;
 483 };
 484
 485 /* Values for Endian field above */
 486
 487 #define ACPI_UART_LITTLE_ENDIAN                 0
 488 #define ACPI_UART_BIG_ENDIAN                    1
 489
 490 /* Values for data_bits field above */
 491
 492 #define ACPI_UART_5_DATA_BITS                   0
 493 #define ACPI_UART_6_DATA_BITS                   1
 494 #define ACPI_UART_7_DATA_BITS                   2
 495 #define ACPI_UART_8_DATA_BITS                   3
 496 #define ACPI_UART_9_DATA_BITS                   4
 497
 498 /* Values for stop_bits field above */
 499
 500 #define ACPI_UART_NO_STOP_BITS                  0
 501 #define ACPI_UART_1_STOP_BIT                    1
 502 #define ACPI_UART_1P5_STOP_BITS                 2
 503 #define ACPI_UART_2_STOP_BITS                   3
 504
 505 /* Values for flow_control field above */
 506
 507 #define ACPI_UART_FLOW_CONTROL_NONE             0
 508 #define ACPI_UART_FLOW_CONTROL_HW               1
 509 #define ACPI_UART_FLOW_CONTROL_XON_XOFF         2
 510
 511 /* Values for Parity field above */
 512
 513 #define ACPI_UART_PARITY_NONE                   0
 514 #define ACPI_UART_PARITY_EVEN                   1
 515 #define ACPI_UART_PARITY_ODD                    2
 516 #define ACPI_UART_PARITY_MARK                   3
 517 #define ACPI_UART_PARITY_SPACE                  4
 518
 519 /* Values for lines_enabled bitfield above */
 520
 521 #define ACPI_UART_CARRIER_DETECT                (1<<2)
 522 #define ACPI_UART_RING_INDICATOR                (1<<3)
 523 #define ACPI_UART_DATA_SET_READY                (1<<4)
 524 #define ACPI_UART_DATA_TERMINAL_READY           (1<<5)
 525 #define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
 526 #define ACPI_UART_REQUEST_TO_SEND               (1<<7)
 527
 528 /* ACPI_RESOURCE_TYPEs */
 529
 530 #define ACPI_RESOURCE_TYPE_IRQ                  0
 531 #define ACPI_RESOURCE_TYPE_DMA                  1
 532 #define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
 533 #define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
 534 #define ACPI_RESOURCE_TYPE_IO                   4
 535 #define ACPI_RESOURCE_TYPE_FIXED_IO             5
 536 #define ACPI_RESOURCE_TYPE_VENDOR               6
 537 #define ACPI_RESOURCE_TYPE_END_TAG              7
 538 #define ACPI_RESOURCE_TYPE_MEMORY24             8
 539 #define ACPI_RESOURCE_TYPE_MEMORY32             9
 540 #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
 541 #define ACPI_RESOURCE_TYPE_ADDRESS16            11
 542 #define ACPI_RESOURCE_TYPE_ADDRESS32            12
 543 #define ACPI_RESOURCE_TYPE_ADDRESS64            13
 544 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14      /* ACPI 3.0 */
 545 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
 546 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
 547 #define ACPI_RESOURCE_TYPE_GPIO                 17      /* ACPI 5.0 */
 548 #define ACPI_RESOURCE_TYPE_FIXED_DMA            18      /* ACPI 5.0 */
 549 #define ACPI_RESOURCE_TYPE_SERIAL_BUS           19      /* ACPI 5.0 */
 550 #define ACPI_RESOURCE_TYPE_MAX                  19
 551
 552 /* Master union for resource descriptors */
 553
 554 union acpi_resource_data {
 555         struct acpi_resource_irq irq;
 556         struct acpi_resource_dma dma;
 557         struct acpi_resource_start_dependent start_dpf;
 558         struct acpi_resource_io io;
 559         struct acpi_resource_fixed_io fixed_io;
 560         struct acpi_resource_fixed_dma fixed_dma;
 561         struct acpi_resource_vendor vendor;
 562         struct acpi_resource_vendor_typed vendor_typed;
 563         struct acpi_resource_end_tag end_tag;
 564         struct acpi_resource_memory24 memory24;
 565         struct acpi_resource_memory32 memory32;
 566         struct acpi_resource_fixed_memory32 fixed_memory32;
 567         struct acpi_resource_address16 address16;
 568         struct acpi_resource_address32 address32;
 569         struct acpi_resource_address64 address64;
 570         struct acpi_resource_extended_address64 ext_address64;
 571         struct acpi_resource_extended_irq extended_irq;
 572         struct acpi_resource_generic_register generic_reg;
 573         struct acpi_resource_gpio gpio;
 574         struct acpi_resource_i2c_serialbus i2c_serial_bus;
 575         struct acpi_resource_spi_serialbus spi_serial_bus;
 576         struct acpi_resource_uart_serialbus uart_serial_bus;
 577         struct acpi_resource_common_serialbus common_serial_bus;
 578
 579         /* Common fields */
 580
 581         struct acpi_resource_address address;   /* Common 16/32/64 address fields */
 582 };
 583
 584 /* Common resource header */
 585
 586 struct acpi_resource {
 587         u32 type;
 588         u32 length;
 589         union acpi_resource_data data;
 590 };
 591
 592 /* restore default alignment */
 593
 594 #pragma pack()
 595
 596 #define ACPI_RS_SIZE_NO_DATA                8   /* Id + Length fields */
 597 #define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
 598 #define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
 599
 600 /* Macro for walking resource templates with multiple descriptors */
 601
 602 #define ACPI_NEXT_RESOURCE(res) \
 603         ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length)
 604
 605 struct acpi_pci_routing_table {
 606         u32 length;
 607         u32 pin;
 608         u64 address;            /* here for 64-bit alignment */
 609         u32 source_index;
 610         char source[4];         /* pad to 64 bits so sizeof() works in all cases */
 611 };
 612
 613 #endif                          /* __ACRESTYP_H__ */