Avoid beyond bounds copy while caching ACL
[zen-stable.git] / include / acpi / acrestyp.h
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1 /******************************************************************************
3 * Name: acrestyp.h - Defines, types, and structures for resource descriptors
5 *****************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2011, Intel Corp.
9 * All rights reserved.
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.
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23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
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.
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
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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.
44 #ifndef __ACRESTYP_H__
45 #define __ACRESTYP_H__
48 * Definitions for Resource Attributes
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) = (64_k-1)+3 */
54 * Memory Attributes
56 #define ACPI_READ_ONLY_MEMORY (u8) 0x00
57 #define ACPI_READ_WRITE_MEMORY (u8) 0x01
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
64 /*! [Begin] no source code translation */
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.
70 /*! [End] no source code translation !*/
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)
76 /* Type of translation - 1=Sparse, 0=Dense */
78 #define ACPI_SPARSE_TRANSLATION (u8) 0x01
81 * IO Port Descriptor Decode
83 #define ACPI_DECODE_10 (u8) 0x00 /* 10-bit IO address decode */
84 #define ACPI_DECODE_16 (u8) 0x01 /* 16-bit IO address decode */
87 * Interrupt attributes - used in multiple descriptors
90 /* Triggering */
92 #define ACPI_LEVEL_SENSITIVE (u8) 0x00
93 #define ACPI_EDGE_SENSITIVE (u8) 0x01
95 /* Polarity */
97 #define ACPI_ACTIVE_HIGH (u8) 0x00
98 #define ACPI_ACTIVE_LOW (u8) 0x01
99 #define ACPI_ACTIVE_BOTH (u8) 0x02
101 /* Sharing */
103 #define ACPI_EXCLUSIVE (u8) 0x00
104 #define ACPI_SHARED (u8) 0x01
105 #define ACPI_EXCLUSIVE_AND_WAKE (u8) 0x02
106 #define ACPI_SHARED_AND_WAKE (u8) 0x03
109 * DMA Attributes
111 #define ACPI_COMPATIBILITY (u8) 0x00
112 #define ACPI_TYPE_A (u8) 0x01
113 #define ACPI_TYPE_B (u8) 0x02
114 #define ACPI_TYPE_F (u8) 0x03
116 #define ACPI_NOT_BUS_MASTER (u8) 0x00
117 #define ACPI_BUS_MASTER (u8) 0x01
119 #define ACPI_TRANSFER_8 (u8) 0x00
120 #define ACPI_TRANSFER_8_16 (u8) 0x01
121 #define ACPI_TRANSFER_16 (u8) 0x02
124 * Start Dependent Functions Priority definitions
126 #define ACPI_GOOD_CONFIGURATION (u8) 0x00
127 #define ACPI_ACCEPTABLE_CONFIGURATION (u8) 0x01
128 #define ACPI_SUB_OPTIMAL_CONFIGURATION (u8) 0x02
131 * 16, 32 and 64-bit Address Descriptor resource types
133 #define ACPI_MEMORY_RANGE (u8) 0x00
134 #define ACPI_IO_RANGE (u8) 0x01
135 #define ACPI_BUS_NUMBER_RANGE (u8) 0x02
137 #define ACPI_ADDRESS_NOT_FIXED (u8) 0x00
138 #define ACPI_ADDRESS_FIXED (u8) 0x01
140 #define ACPI_POS_DECODE (u8) 0x00
141 #define ACPI_SUB_DECODE (u8) 0x01
143 /* Producer/Consumer */
145 #define ACPI_PRODUCER (u8) 0x00
146 #define ACPI_CONSUMER (u8) 0x01
149 * If possible, pack the following structures to byte alignment
151 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
152 #pragma pack(1)
153 #endif
155 /* UUID data structures for use in vendor-defined resource descriptors */
157 struct acpi_uuid {
158 u8 data[ACPI_UUID_LENGTH];
161 struct acpi_vendor_uuid {
162 u8 subtype;
163 u8 data[ACPI_UUID_LENGTH];
167 * Structures used to describe device resources
169 struct acpi_resource_irq {
170 u8 descriptor_length;
171 u8 triggering;
172 u8 polarity;
173 u8 sharable;
174 u8 interrupt_count;
175 u8 interrupts[1];
178 struct acpi_resource_dma {
179 u8 type;
180 u8 bus_master;
181 u8 transfer;
182 u8 channel_count;
183 u8 channels[1];
186 struct acpi_resource_start_dependent {
187 u8 descriptor_length;
188 u8 compatibility_priority;
189 u8 performance_robustness;
193 * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
194 * needed because it has no fields
197 struct acpi_resource_io {
198 u8 io_decode;
199 u8 alignment;
200 u8 address_length;
201 u16 minimum;
202 u16 maximum;
205 struct acpi_resource_fixed_io {
206 u16 address;
207 u8 address_length;
210 struct acpi_resource_fixed_dma {
211 u16 request_lines;
212 u16 channels;
213 u8 width;
216 /* Values for Width field above */
218 #define ACPI_DMA_WIDTH8 0
219 #define ACPI_DMA_WIDTH16 1
220 #define ACPI_DMA_WIDTH32 2
221 #define ACPI_DMA_WIDTH64 3
222 #define ACPI_DMA_WIDTH128 4
223 #define ACPI_DMA_WIDTH256 5
225 struct acpi_resource_vendor {
226 u16 byte_length;
227 u8 byte_data[1];
230 /* Vendor resource with UUID info (introduced in ACPI 3.0) */
232 struct acpi_resource_vendor_typed {
233 u16 byte_length;
234 u8 uuid_subtype;
235 u8 uuid[ACPI_UUID_LENGTH];
236 u8 byte_data[1];
239 struct acpi_resource_end_tag {
240 u8 checksum;
243 struct acpi_resource_memory24 {
244 u8 write_protect;
245 u16 minimum;
246 u16 maximum;
247 u16 alignment;
248 u16 address_length;
251 struct acpi_resource_memory32 {
252 u8 write_protect;
253 u32 minimum;
254 u32 maximum;
255 u32 alignment;
256 u32 address_length;
259 struct acpi_resource_fixed_memory32 {
260 u8 write_protect;
261 u32 address;
262 u32 address_length;
265 struct acpi_memory_attribute {
266 u8 write_protect;
267 u8 caching;
268 u8 range_type;
269 u8 translation;
272 struct acpi_io_attribute {
273 u8 range_type;
274 u8 translation;
275 u8 translation_type;
276 u8 reserved1;
279 union acpi_resource_attribute {
280 struct acpi_memory_attribute mem;
281 struct acpi_io_attribute io;
283 /* Used for the *word_space macros */
285 u8 type_specific;
288 struct acpi_resource_source {
289 u8 index;
290 u16 string_length;
291 char *string_ptr;
294 /* Fields common to all address descriptors, 16/32/64 bit */
296 #define ACPI_RESOURCE_ADDRESS_COMMON \
297 u8 resource_type; \
298 u8 producer_consumer; \
299 u8 decode; \
300 u8 min_address_fixed; \
301 u8 max_address_fixed; \
302 union acpi_resource_attribute info;
304 struct acpi_resource_address {
305 ACPI_RESOURCE_ADDRESS_COMMON};
307 struct acpi_resource_address16 {
308 ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
309 u16 minimum;
310 u16 maximum;
311 u16 translation_offset;
312 u16 address_length;
313 struct acpi_resource_source resource_source;
316 struct acpi_resource_address32 {
317 ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
318 u32 minimum;
319 u32 maximum;
320 u32 translation_offset;
321 u32 address_length;
322 struct acpi_resource_source resource_source;
325 struct acpi_resource_address64 {
326 ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
327 u64 minimum;
328 u64 maximum;
329 u64 translation_offset;
330 u64 address_length;
331 struct acpi_resource_source resource_source;
334 struct acpi_resource_extended_address64 {
335 ACPI_RESOURCE_ADDRESS_COMMON u8 revision_iD;
336 u64 granularity;
337 u64 minimum;
338 u64 maximum;
339 u64 translation_offset;
340 u64 address_length;
341 u64 type_specific;
344 struct acpi_resource_extended_irq {
345 u8 producer_consumer;
346 u8 triggering;
347 u8 polarity;
348 u8 sharable;
349 u8 interrupt_count;
350 struct acpi_resource_source resource_source;
351 u32 interrupts[1];
354 struct acpi_resource_generic_register {
355 u8 space_id;
356 u8 bit_width;
357 u8 bit_offset;
358 u8 access_size;
359 u64 address;
362 struct acpi_resource_gpio {
363 u8 revision_id;
364 u8 connection_type;
365 u8 producer_consumer; /* For values, see Producer/Consumer above */
366 u8 pin_config;
367 u8 sharable; /* For values, see Interrupt Attributes above */
368 u8 io_restriction;
369 u8 triggering; /* For values, see Interrupt Attributes above */
370 u8 polarity; /* For values, see Interrupt Attributes above */
371 u16 drive_strength;
372 u16 debounce_timeout;
373 u16 pin_table_length;
374 u16 vendor_length;
375 struct acpi_resource_source resource_source;
376 u16 *pin_table;
377 u8 *vendor_data;
380 /* Values for GPIO connection_type field above */
382 #define ACPI_RESOURCE_GPIO_TYPE_INT 0
383 #define ACPI_RESOURCE_GPIO_TYPE_IO 1
385 /* Values for pin_config field above */
387 #define ACPI_PIN_CONFIG_DEFAULT 0
388 #define ACPI_PIN_CONFIG_PULLUP 1
389 #define ACPI_PIN_CONFIG_PULLDOWN 2
390 #define ACPI_PIN_CONFIG_NOPULL 3
392 /* Values for io_restriction field above */
394 #define ACPI_IO_RESTRICT_NONE 0
395 #define ACPI_IO_RESTRICT_INPUT 1
396 #define ACPI_IO_RESTRICT_OUTPUT 2
397 #define ACPI_IO_RESTRICT_NONE_PRESERVE 3
399 /* Common structure for I2C, SPI, and UART serial descriptors */
401 #define ACPI_RESOURCE_SERIAL_COMMON \
402 u8 revision_id; \
403 u8 type; \
404 u8 producer_consumer; /* For values, see Producer/Consumer above */\
405 u8 slave_mode; \
406 u8 type_revision_id; \
407 u16 type_data_length; \
408 u16 vendor_length; \
409 struct acpi_resource_source resource_source; \
410 u8 *vendor_data;
412 struct acpi_resource_common_serialbus {
413 ACPI_RESOURCE_SERIAL_COMMON};
415 /* Values for the Type field above */
417 #define ACPI_RESOURCE_SERIAL_TYPE_I2C 1
418 #define ACPI_RESOURCE_SERIAL_TYPE_SPI 2
419 #define ACPI_RESOURCE_SERIAL_TYPE_UART 3
421 /* Values for slave_mode field above */
423 #define ACPI_CONTROLLER_INITIATED 0
424 #define ACPI_DEVICE_INITIATED 1
426 struct acpi_resource_i2c_serialbus {
427 ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
428 u16 slave_address;
429 u32 connection_speed;
432 /* Values for access_mode field above */
434 #define ACPI_I2C_7BIT_MODE 0
435 #define ACPI_I2C_10BIT_MODE 1
437 struct acpi_resource_spi_serialbus {
438 ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
439 u8 device_polarity;
440 u8 data_bit_length;
441 u8 clock_phase;
442 u8 clock_polarity;
443 u16 device_selection;
444 u32 connection_speed;
447 /* Values for wire_mode field above */
449 #define ACPI_SPI_4WIRE_MODE 0
450 #define ACPI_SPI_3WIRE_MODE 1
452 /* Values for device_polarity field above */
454 #define ACPI_SPI_ACTIVE_LOW 0
455 #define ACPI_SPI_ACTIVE_HIGH 1
457 /* Values for clock_phase field above */
459 #define ACPI_SPI_FIRST_PHASE 0
460 #define ACPI_SPI_SECOND_PHASE 1
462 /* Values for clock_polarity field above */
464 #define ACPI_SPI_START_LOW 0
465 #define ACPI_SPI_START_HIGH 1
467 struct acpi_resource_uart_serialbus {
468 ACPI_RESOURCE_SERIAL_COMMON u8 endian;
469 u8 data_bits;
470 u8 stop_bits;
471 u8 flow_control;
472 u8 parity;
473 u8 lines_enabled;
474 u16 rx_fifo_size;
475 u16 tx_fifo_size;
476 u32 default_baud_rate;
479 /* Values for Endian field above */
481 #define ACPI_UART_LITTLE_ENDIAN 0
482 #define ACPI_UART_BIG_ENDIAN 1
484 /* Values for data_bits field above */
486 #define ACPI_UART_5_DATA_BITS 0
487 #define ACPI_UART_6_DATA_BITS 1
488 #define ACPI_UART_7_DATA_BITS 2
489 #define ACPI_UART_8_DATA_BITS 3
490 #define ACPI_UART_9_DATA_BITS 4
492 /* Values for stop_bits field above */
494 #define ACPI_UART_NO_STOP_BITS 0
495 #define ACPI_UART_1_STOP_BIT 1
496 #define ACPI_UART_1P5_STOP_BITS 2
497 #define ACPI_UART_2_STOP_BITS 3
499 /* Values for flow_control field above */
501 #define ACPI_UART_FLOW_CONTROL_NONE 0
502 #define ACPI_UART_FLOW_CONTROL_HW 1
503 #define ACPI_UART_FLOW_CONTROL_XON_XOFF 2
505 /* Values for Parity field above */
507 #define ACPI_UART_PARITY_NONE 0
508 #define ACPI_UART_PARITY_EVEN 1
509 #define ACPI_UART_PARITY_ODD 2
510 #define ACPI_UART_PARITY_MARK 3
511 #define ACPI_UART_PARITY_SPACE 4
513 /* Values for lines_enabled bitfield above */
515 #define ACPI_UART_CARRIER_DETECT (1<<2)
516 #define ACPI_UART_RING_INDICATOR (1<<3)
517 #define ACPI_UART_DATA_SET_READY (1<<4)
518 #define ACPI_UART_DATA_TERMINAL_READY (1<<5)
519 #define ACPI_UART_CLEAR_TO_SEND (1<<6)
520 #define ACPI_UART_REQUEST_TO_SEND (1<<7)
522 /* ACPI_RESOURCE_TYPEs */
524 #define ACPI_RESOURCE_TYPE_IRQ 0
525 #define ACPI_RESOURCE_TYPE_DMA 1
526 #define ACPI_RESOURCE_TYPE_START_DEPENDENT 2
527 #define ACPI_RESOURCE_TYPE_END_DEPENDENT 3
528 #define ACPI_RESOURCE_TYPE_IO 4
529 #define ACPI_RESOURCE_TYPE_FIXED_IO 5
530 #define ACPI_RESOURCE_TYPE_VENDOR 6
531 #define ACPI_RESOURCE_TYPE_END_TAG 7
532 #define ACPI_RESOURCE_TYPE_MEMORY24 8
533 #define ACPI_RESOURCE_TYPE_MEMORY32 9
534 #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32 10
535 #define ACPI_RESOURCE_TYPE_ADDRESS16 11
536 #define ACPI_RESOURCE_TYPE_ADDRESS32 12
537 #define ACPI_RESOURCE_TYPE_ADDRESS64 13
538 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 14 /* ACPI 3.0 */
539 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ 15
540 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER 16
541 #define ACPI_RESOURCE_TYPE_GPIO 17 /* ACPI 5.0 */
542 #define ACPI_RESOURCE_TYPE_FIXED_DMA 18 /* ACPI 5.0 */
543 #define ACPI_RESOURCE_TYPE_SERIAL_BUS 19 /* ACPI 5.0 */
544 #define ACPI_RESOURCE_TYPE_MAX 19
546 /* Master union for resource descriptors */
548 union acpi_resource_data {
549 struct acpi_resource_irq irq;
550 struct acpi_resource_dma dma;
551 struct acpi_resource_start_dependent start_dpf;
552 struct acpi_resource_io io;
553 struct acpi_resource_fixed_io fixed_io;
554 struct acpi_resource_fixed_dma fixed_dma;
555 struct acpi_resource_vendor vendor;
556 struct acpi_resource_vendor_typed vendor_typed;
557 struct acpi_resource_end_tag end_tag;
558 struct acpi_resource_memory24 memory24;
559 struct acpi_resource_memory32 memory32;
560 struct acpi_resource_fixed_memory32 fixed_memory32;
561 struct acpi_resource_address16 address16;
562 struct acpi_resource_address32 address32;
563 struct acpi_resource_address64 address64;
564 struct acpi_resource_extended_address64 ext_address64;
565 struct acpi_resource_extended_irq extended_irq;
566 struct acpi_resource_generic_register generic_reg;
567 struct acpi_resource_gpio gpio;
568 struct acpi_resource_i2c_serialbus i2c_serial_bus;
569 struct acpi_resource_spi_serialbus spi_serial_bus;
570 struct acpi_resource_uart_serialbus uart_serial_bus;
571 struct acpi_resource_common_serialbus common_serial_bus;
573 /* Common fields */
575 struct acpi_resource_address address; /* Common 16/32/64 address fields */
578 /* Common resource header */
580 struct acpi_resource {
581 u32 type;
582 u32 length;
583 union acpi_resource_data data;
586 /* restore default alignment */
588 #pragma pack()
590 #define ACPI_RS_SIZE_NO_DATA 8 /* Id + Length fields */
591 #define ACPI_RS_SIZE_MIN (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
592 #define ACPI_RS_SIZE(type) (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
594 #define ACPI_NEXT_RESOURCE(res) (struct acpi_resource *)((u8 *) res + res->length)
596 struct acpi_pci_routing_table {
597 u32 length;
598 u32 pin;
599 u64 address; /* here for 64-bit alignment */
600 u32 source_index;
601 char source[4]; /* pad to 64 bits so sizeof() works in all cases */
604 #endif /* __ACRESTYP_H__ */