blob: f1380287ed4d821474f58a39c372fca6cb5909a1 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/******************************************************************************
2 *
Bob Moore793c2382006-03-31 00:00:00 -05003 * Name: actbl.h - Basic ACPI Table Definitions
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
5 *****************************************************************************/
6
7/*
Bob Mooreb4e104e2011-01-17 11:05:40 +08008 * Copyright (C) 2000 - 2011, Intel Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * 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 __ACTBL_H__
45#define __ACTBL_H__
46
Bob Mooreb24aad42009-07-24 13:30:17 +080047/*******************************************************************************
48 *
49 * Fundamental ACPI tables
50 *
51 * This file contains definitions for the ACPI tables that are directly consumed
52 * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
53 * device drivers and other OS support code.
54 *
55 * The RSDP and FACS do not use the common ACPI table header. All other ACPI
56 * tables use the header.
57 *
58 ******************************************************************************/
59
Linus Torvalds1da177e2005-04-16 15:20:36 -070060/*
Bob Moore6e2d5eb2009-07-27 10:53:00 +080061 * Values for description table header signatures for tables defined in this
62 * file. Useful because they make it more difficult to inadvertently type in
63 * the wrong signature.
Bob Moore793c2382006-03-31 00:00:00 -050064 */
Bob Mooref3d2e782007-02-02 19:48:18 +030065#define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
66#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
67#define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
68#define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
69#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
70#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
71#define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
72#define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
Bob Moore8f348902007-02-02 19:48:19 +030073#define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
Bob Moore793c2382006-03-31 00:00:00 -050074
75/*
76 * All tables and structures must be byte-packed to match the ACPI
77 * specification, since the tables are provided by the system BIOS
78 */
79#pragma pack(1)
80
81/*
Bob Mooredefba1d2005-12-16 17:05:00 -050082 * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
83 * This is the only type that is even remotely portable. Anything else is not
84 * portable, so do not use any other bitfield types.
85 */
86
Bob Moore793c2382006-03-31 00:00:00 -050087/*******************************************************************************
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 *
Bob Mooreb24aad42009-07-24 13:30:17 +080089 * Master ACPI Table Header. This common header is used by all ACPI tables
90 * except the RSDP and FACS.
Bob Moore793c2382006-03-31 00:00:00 -050091 *
92 ******************************************************************************/
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
Bob Moore793c2382006-03-31 00:00:00 -050094struct acpi_table_header {
Bob Mooref3d2e782007-02-02 19:48:18 +030095 char signature[ACPI_NAME_SIZE]; /* ASCII table signature */
96 u32 length; /* Length of table in bytes, including this header */
97 u8 revision; /* ACPI Specification minor version # */
98 u8 checksum; /* To make sum of entire table == 0 */
99 char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
100 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
101 u32 oem_revision; /* OEM revision number */
102 char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
103 u32 asl_compiler_revision; /* ASL compiler version */
104};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Bob Mooreb24aad42009-07-24 13:30:17 +0800106/*******************************************************************************
107 *
Bob Moore793c2382006-03-31 00:00:00 -0500108 * GAS - Generic Address Structure (ACPI 2.0+)
Bob Mooref3d2e782007-02-02 19:48:18 +0300109 *
110 * Note: Since this structure is used in the ACPI tables, it is byte aligned.
Bob Mooreb24aad42009-07-24 13:30:17 +0800111 * If misaliged access is not supported by the hardware, accesses to the
112 * 64-bit Address field must be performed with care.
113 *
114 ******************************************************************************/
115
Bob Moore793c2382006-03-31 00:00:00 -0500116struct acpi_generic_address {
Bob Mooref3d2e782007-02-02 19:48:18 +0300117 u8 space_id; /* Address space where struct or register exists */
118 u8 bit_width; /* Size in bits of given register */
119 u8 bit_offset; /* Bit offset within the register */
Bob Moore793c2382006-03-31 00:00:00 -0500120 u8 access_width; /* Minimum Access size (ACPI 3.0) */
121 u64 address; /* 64-bit address of struct or register */
122};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123
Bob Moore793c2382006-03-31 00:00:00 -0500124/*******************************************************************************
125 *
126 * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800127 * Version 2
Bob Moore793c2382006-03-31 00:00:00 -0500128 *
129 ******************************************************************************/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130
Bob Mooref3d2e782007-02-02 19:48:18 +0300131struct acpi_table_rsdp {
Bob Moore793c2382006-03-31 00:00:00 -0500132 char signature[8]; /* ACPI signature, contains "RSD PTR " */
133 u8 checksum; /* ACPI 1.0 checksum */
Bob Mooref3d2e782007-02-02 19:48:18 +0300134 char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */
Bob Moore793c2382006-03-31 00:00:00 -0500135 u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
136 u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
137 u32 length; /* Table length in bytes, including header (ACPI 2.0+) */
138 u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
139 u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
140 u8 reserved[3]; /* Reserved, must be zero */
141};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
Bob Moore793c2382006-03-31 00:00:00 -0500143#define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144
Bob Moore793c2382006-03-31 00:00:00 -0500145/*******************************************************************************
146 *
147 * RSDT/XSDT - Root System Description Tables
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800148 * Version 1 (both)
Bob Moore793c2382006-03-31 00:00:00 -0500149 *
150 ******************************************************************************/
151
Bob Mooref3d2e782007-02-02 19:48:18 +0300152struct acpi_table_rsdt {
153 struct acpi_table_header header; /* Common ACPI table header */
154 u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
Bob Moore793c2382006-03-31 00:00:00 -0500155};
156
Bob Mooref3d2e782007-02-02 19:48:18 +0300157struct acpi_table_xsdt {
158 struct acpi_table_header header; /* Common ACPI table header */
159 u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
Bob Moore793c2382006-03-31 00:00:00 -0500160};
161
162/*******************************************************************************
163 *
164 * FACS - Firmware ACPI Control Structure (FACS)
165 *
166 ******************************************************************************/
167
Bob Mooref3d2e782007-02-02 19:48:18 +0300168struct acpi_table_facs {
Bob Moore793c2382006-03-31 00:00:00 -0500169 char signature[4]; /* ASCII table signature */
170 u32 length; /* Length of structure, in bytes */
171 u32 hardware_signature; /* Hardware configuration signature */
172 u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */
173 u32 global_lock; /* Global Lock for shared hardware resources */
Bob Mooref3d2e782007-02-02 19:48:18 +0300174 u32 flags;
Bob Moore793c2382006-03-31 00:00:00 -0500175 u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
176 u8 version; /* Version of this table (ACPI 2.0+) */
Bob Mooreeb2289b2009-06-24 13:42:00 +0800177 u8 reserved[3]; /* Reserved, must be zero */
178 u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */
179 u8 reserved1[24]; /* Reserved, must be zero */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180};
181
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800182/* Masks for global_lock flag field above */
Bob Mooref3d2e782007-02-02 19:48:18 +0300183
Bob Mooreeb2289b2009-06-24 13:42:00 +0800184#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
185#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
Bob Mooref3d2e782007-02-02 19:48:18 +0300186
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800187/* Masks for Flags field above */
Bob Mooref3d2e782007-02-02 19:48:18 +0300188
Bob Mooreeb2289b2009-06-24 13:42:00 +0800189#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
190#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
191
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800192/* Masks for ospm_flags field above */
Bob Mooreeb2289b2009-06-24 13:42:00 +0800193
194#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
Bob Moore793c2382006-03-31 00:00:00 -0500196/*******************************************************************************
197 *
198 * FADT - Fixed ACPI Description Table (Signature "FACP")
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800199 * Version 4
Bob Moore793c2382006-03-31 00:00:00 -0500200 *
201 ******************************************************************************/
Len Brown4be44fc2005-08-05 00:44:28 -0400202
Bob Moore793c2382006-03-31 00:00:00 -0500203/* Fields common to all versions of the FADT */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204
Bob Mooref3d2e782007-02-02 19:48:18 +0300205struct acpi_table_fadt {
206 struct acpi_table_header header; /* Common ACPI table header */
207 u32 facs; /* 32-bit physical address of FACS */
208 u32 dsdt; /* 32-bit physical address of DSDT */
Bob Moore8f348902007-02-02 19:48:19 +0300209 u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
Bob Mooref3d2e782007-02-02 19:48:18 +0300210 u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */
211 u16 sci_interrupt; /* System vector of SCI interrupt */
Bob Moore8f348902007-02-02 19:48:19 +0300212 u32 smi_command; /* 32-bit Port address of SMI command port */
Bob Mooref3d2e782007-02-02 19:48:18 +0300213 u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */
214 u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */
215 u8 S4bios_request; /* Value to write to SMI CMD to enter S4BIOS state */
216 u8 pstate_control; /* Processor performance state control */
Bob Moore8f348902007-02-02 19:48:19 +0300217 u32 pm1a_event_block; /* 32-bit Port address of Power Mgt 1a Event Reg Blk */
218 u32 pm1b_event_block; /* 32-bit Port address of Power Mgt 1b Event Reg Blk */
219 u32 pm1a_control_block; /* 32-bit Port address of Power Mgt 1a Control Reg Blk */
220 u32 pm1b_control_block; /* 32-bit Port address of Power Mgt 1b Control Reg Blk */
221 u32 pm2_control_block; /* 32-bit Port address of Power Mgt 2 Control Reg Blk */
222 u32 pm_timer_block; /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */
223 u32 gpe0_block; /* 32-bit Port address of General Purpose Event 0 Reg Blk */
224 u32 gpe1_block; /* 32-bit Port address of General Purpose Event 1 Reg Blk */
225 u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */
226 u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */
227 u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */
228 u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */
229 u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */
230 u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */
231 u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */
232 u8 cst_control; /* Support for the _CST object and C States change notification */
Bob Mooref3d2e782007-02-02 19:48:18 +0300233 u16 C2latency; /* Worst case HW latency to enter/exit C2 state */
234 u16 C3latency; /* Worst case HW latency to enter/exit C3 state */
235 u16 flush_size; /* Processor's memory cache line width, in bytes */
236 u16 flush_stride; /* Number of flush strides that need to be read */
Bob Moore8f348902007-02-02 19:48:19 +0300237 u8 duty_offset; /* Processor duty cycle index in processor's P_CNT reg */
Bob Moore993958f2009-02-03 15:14:33 +0800238 u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */
Bob Mooref3d2e782007-02-02 19:48:18 +0300239 u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */
240 u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */
241 u8 century; /* Index to century in RTC CMOS RAM */
Bob Moore993958f2009-02-03 15:14:33 +0800242 u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
Bob Mooref3d2e782007-02-02 19:48:18 +0300243 u8 reserved; /* Reserved, must be zero */
Bob Moore8f348902007-02-02 19:48:19 +0300244 u32 flags; /* Miscellaneous flag bits (see below for individual flags) */
245 struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */
Bob Moore793c2382006-03-31 00:00:00 -0500246 u8 reset_value; /* Value to write to the reset_register port to reset the system */
Bob Moore8f348902007-02-02 19:48:19 +0300247 u8 reserved4[3]; /* Reserved, must be zero */
Bob Mooref3d2e782007-02-02 19:48:18 +0300248 u64 Xfacs; /* 64-bit physical address of FACS */
Bob Moore793c2382006-03-31 00:00:00 -0500249 u64 Xdsdt; /* 64-bit physical address of DSDT */
Bob Moore8f348902007-02-02 19:48:19 +0300250 struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
251 struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
252 struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
253 struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
254 struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
255 struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
256 struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
257 struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258};
259
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800260/* Masks for FADT Boot Architecture Flags (boot_flags) */
Bob Moore993958f2009-02-03 15:14:33 +0800261
262#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
263#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
264#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
265#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
266#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
267
268#define FADT2_REVISION_ID 3
269
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800270/* Masks for FADT flags */
Bob Mooref3d2e782007-02-02 19:48:18 +0300271
Bob Moore993958f2009-02-03 15:14:33 +0800272#define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */
273#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */
274#define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
275#define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
276#define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
277#define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
278#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status not in fixed register space */
279#define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
280#define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
281#define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
282#define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
283#define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
284#define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
285#define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
286#define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
287#define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
288#define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
289#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
290#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
291#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */
Bob Mooref3d2e782007-02-02 19:48:18 +0300292
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300293/* Values for preferred_profile (Preferred Power Management Profiles) */
Bob Moore993958f2009-02-03 15:14:33 +0800294
Bob Mooref3d2e782007-02-02 19:48:18 +0300295enum acpi_prefered_pm_profiles {
296 PM_UNSPECIFIED = 0,
297 PM_DESKTOP = 1,
298 PM_MOBILE = 2,
299 PM_WORKSTATION = 3,
300 PM_ENTERPRISE_SERVER = 4,
301 PM_SOHO_SERVER = 5,
302 PM_APPLIANCE_PC = 6
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303};
304
Bob Moore793c2382006-03-31 00:00:00 -0500305/* Reset to default packing */
306
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307#pragma pack()
308
Bob Mooref3d2e782007-02-02 19:48:18 +0300309#define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
310
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800311/*
312 * Internal table-related structures
313 */
Bob Moore50df4d82008-12-31 03:01:23 +0800314union acpi_name_union {
315 u32 integer;
316 char ascii[4];
317};
318
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800319/* Internal ACPI Table Descriptor. One per ACPI table. */
320
Bob Moore50df4d82008-12-31 03:01:23 +0800321struct acpi_table_desc {
322 acpi_physical_address address;
323 struct acpi_table_header *pointer;
324 u32 length; /* Length fixed at 32 bits */
325 union acpi_name_union signature;
326 acpi_owner_id owner_id;
327 u8 flags;
328};
329
Bob Moore6e2d5eb2009-07-27 10:53:00 +0800330/* Masks for Flags field above */
Bob Moore50df4d82008-12-31 03:01:23 +0800331
332#define ACPI_TABLE_ORIGIN_UNKNOWN (0)
333#define ACPI_TABLE_ORIGIN_MAPPED (1)
334#define ACPI_TABLE_ORIGIN_ALLOCATED (2)
Bob Mooreac5f98d2009-02-03 14:35:25 +0800335#define ACPI_TABLE_ORIGIN_OVERRIDE (4)
336#define ACPI_TABLE_ORIGIN_MASK (7)
337#define ACPI_TABLE_IS_LOADED (8)
Bob Moore50df4d82008-12-31 03:01:23 +0800338
Bob Moore793c2382006-03-31 00:00:00 -0500339/*
340 * Get the remaining ACPI tables
341 */
Alexey Starikovskiyad363f82007-02-02 19:48:22 +0300342
Bob Mooref3d2e782007-02-02 19:48:18 +0300343#include <acpi/actbl1.h>
Bob Mooreb24aad42009-07-24 13:30:17 +0800344#include <acpi/actbl2.h>
Alexey Starikovskiyad363f82007-02-02 19:48:22 +0300345
Bob Moore64b3db22011-02-14 15:50:42 +0800346/*
347 * Sizes of the various flavors of FADT. We need to look closely
348 * at the FADT length because the version number essentially tells
349 * us nothing because of many BIOS bugs where the version does not
350 * match the expected length. In other words, the length of the
351 * FADT is the bottom line as to what the version really is.
352 *
353 * For reference, the values below are as follows:
354 * FADT V1 size: 0x74
355 * FADT V2 size: 0x84
356 * FADT V3+ size: 0xF4
357 */
358#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
359#define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (reserved4[0]) + 3)
360#define ACPI_FADT_V3_SIZE (u32) (sizeof (struct acpi_table_fadt))
361
Len Brown4be44fc2005-08-05 00:44:28 -0400362#endif /* __ACTBL_H__ */