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1 | /****************************************************************************** |
2 | * | |
793c2388 | 3 | * Name: actbl.h - Basic ACPI Table Definitions |
1da177e4 LT |
4 | * |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
7735ca0e | 8 | * Copyright (C) 2000 - 2017, Intel Corp. |
1da177e4 LT |
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 __ACTBL_H__ | |
45 | #define __ACTBL_H__ | |
46 | ||
b24aad44 BM |
47 | /******************************************************************************* |
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 | ||
defba1d8 | 60 | /* |
6e2d5ebd BM |
61 | * 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. | |
1da177e4 | 64 | */ |
f3d2e786 BM |
65 | #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 */ | |
fe536995 | 68 | #define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */ |
f3d2e786 BM |
69 | #define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */ |
70 | #define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */ | |
71 | #define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */ | |
72 | #define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */ | |
73 | #define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */ | |
8f34890d | 74 | #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */ |
1da177e4 LT |
75 | |
76 | /* | |
793c2388 BM |
77 | * All tables and structures must be byte-packed to match the ACPI |
78 | * specification, since the tables are provided by the system BIOS | |
1da177e4 | 79 | */ |
1da177e4 LT |
80 | #pragma pack(1) |
81 | ||
82 | /* | |
be030a57 BM |
83 | * Note: C bitfields are not used for this reason: |
84 | * | |
85 | * "Bitfields are great and easy to read, but unfortunately the C language | |
86 | * does not specify the layout of bitfields in memory, which means they are | |
87 | * essentially useless for dealing with packed data in on-disk formats or | |
88 | * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, | |
89 | * this decision was a design error in C. Ritchie could have picked an order | |
90 | * and stuck with it." Norman Ramsey. | |
91 | * See http://stackoverflow.com/a/1053662/41661 | |
1da177e4 | 92 | */ |
1da177e4 | 93 | |
793c2388 BM |
94 | /******************************************************************************* |
95 | * | |
b24aad44 BM |
96 | * Master ACPI Table Header. This common header is used by all ACPI tables |
97 | * except the RSDP and FACS. | |
793c2388 BM |
98 | * |
99 | ******************************************************************************/ | |
1da177e4 | 100 | |
793c2388 | 101 | struct acpi_table_header { |
f3d2e786 BM |
102 | char signature[ACPI_NAME_SIZE]; /* ASCII table signature */ |
103 | u32 length; /* Length of table in bytes, including this header */ | |
80187431 | 104 | u8 revision; /* ACPI Specification minor version number */ |
f3d2e786 BM |
105 | u8 checksum; /* To make sum of entire table == 0 */ |
106 | char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */ | |
107 | char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */ | |
108 | u32 oem_revision; /* OEM revision number */ | |
109 | char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */ | |
110 | u32 asl_compiler_revision; /* ASL compiler version */ | |
111 | }; | |
1da177e4 | 112 | |
b24aad44 BM |
113 | /******************************************************************************* |
114 | * | |
793c2388 | 115 | * GAS - Generic Address Structure (ACPI 2.0+) |
f3d2e786 BM |
116 | * |
117 | * Note: Since this structure is used in the ACPI tables, it is byte aligned. | |
80187431 | 118 | * If misaligned access is not supported by the hardware, accesses to the |
b24aad44 BM |
119 | * 64-bit Address field must be performed with care. |
120 | * | |
121 | ******************************************************************************/ | |
122 | ||
793c2388 | 123 | struct acpi_generic_address { |
f3d2e786 BM |
124 | u8 space_id; /* Address space where struct or register exists */ |
125 | u8 bit_width; /* Size in bits of given register */ | |
126 | u8 bit_offset; /* Bit offset within the register */ | |
793c2388 BM |
127 | u8 access_width; /* Minimum Access size (ACPI 3.0) */ |
128 | u64 address; /* 64-bit address of struct or register */ | |
129 | }; | |
1da177e4 | 130 | |
793c2388 BM |
131 | /******************************************************************************* |
132 | * | |
133 | * RSDP - Root System Description Pointer (Signature is "RSD PTR ") | |
6e2d5ebd | 134 | * Version 2 |
793c2388 BM |
135 | * |
136 | ******************************************************************************/ | |
137 | ||
f3d2e786 | 138 | struct acpi_table_rsdp { |
793c2388 BM |
139 | char signature[8]; /* ACPI signature, contains "RSD PTR " */ |
140 | u8 checksum; /* ACPI 1.0 checksum */ | |
f3d2e786 | 141 | char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */ |
793c2388 BM |
142 | u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */ |
143 | u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */ | |
144 | u32 length; /* Table length in bytes, including header (ACPI 2.0+) */ | |
145 | u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */ | |
146 | u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */ | |
147 | u8 reserved[3]; /* Reserved, must be zero */ | |
148 | }; | |
1da177e4 | 149 | |
09b8b1fc LZ |
150 | /* Standalone struct for the ACPI 1.0 RSDP */ |
151 | ||
152 | struct acpi_rsdp_common { | |
153 | char signature[8]; | |
154 | u8 checksum; | |
155 | char oem_id[ACPI_OEM_ID_SIZE]; | |
156 | u8 revision; | |
157 | u32 rsdt_physical_address; | |
158 | }; | |
159 | ||
160 | /* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */ | |
161 | ||
162 | struct acpi_rsdp_extension { | |
163 | u32 length; | |
164 | u64 xsdt_physical_address; | |
165 | u8 extended_checksum; | |
166 | u8 reserved[3]; | |
167 | }; | |
1da177e4 | 168 | |
793c2388 BM |
169 | /******************************************************************************* |
170 | * | |
171 | * RSDT/XSDT - Root System Description Tables | |
6e2d5ebd | 172 | * Version 1 (both) |
793c2388 BM |
173 | * |
174 | ******************************************************************************/ | |
1da177e4 | 175 | |
f3d2e786 BM |
176 | struct acpi_table_rsdt { |
177 | struct acpi_table_header header; /* Common ACPI table header */ | |
178 | u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */ | |
793c2388 BM |
179 | }; |
180 | ||
f3d2e786 BM |
181 | struct acpi_table_xsdt { |
182 | struct acpi_table_header header; /* Common ACPI table header */ | |
183 | u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */ | |
793c2388 BM |
184 | }; |
185 | ||
671cc68d LZ |
186 | #define ACPI_RSDT_ENTRY_SIZE (sizeof (u32)) |
187 | #define ACPI_XSDT_ENTRY_SIZE (sizeof (u64)) | |
188 | ||
793c2388 BM |
189 | /******************************************************************************* |
190 | * | |
191 | * FACS - Firmware ACPI Control Structure (FACS) | |
192 | * | |
193 | ******************************************************************************/ | |
194 | ||
f3d2e786 | 195 | struct acpi_table_facs { |
793c2388 BM |
196 | char signature[4]; /* ASCII table signature */ |
197 | u32 length; /* Length of structure, in bytes */ | |
198 | u32 hardware_signature; /* Hardware configuration signature */ | |
199 | u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */ | |
200 | u32 global_lock; /* Global Lock for shared hardware resources */ | |
f3d2e786 | 201 | u32 flags; |
793c2388 BM |
202 | u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */ |
203 | u8 version; /* Version of this table (ACPI 2.0+) */ | |
eb2289ba BM |
204 | u8 reserved[3]; /* Reserved, must be zero */ |
205 | u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */ | |
206 | u8 reserved1[24]; /* Reserved, must be zero */ | |
793c2388 | 207 | }; |
1da177e4 | 208 | |
6e2d5ebd | 209 | /* Masks for global_lock flag field above */ |
eb2289ba BM |
210 | |
211 | #define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */ | |
212 | #define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */ | |
213 | ||
6e2d5ebd | 214 | /* Masks for Flags field above */ |
f3d2e786 | 215 | |
eb2289ba BM |
216 | #define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */ |
217 | #define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */ | |
f3d2e786 | 218 | |
6e2d5ebd | 219 | /* Masks for ospm_flags field above */ |
f3d2e786 | 220 | |
eb2289ba | 221 | #define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */ |
1da177e4 | 222 | |
793c2388 BM |
223 | /******************************************************************************* |
224 | * | |
225 | * FADT - Fixed ACPI Description Table (Signature "FACP") | |
b94cd811 | 226 | * Version 6 |
793c2388 BM |
227 | * |
228 | ******************************************************************************/ | |
229 | ||
230 | /* Fields common to all versions of the FADT */ | |
231 | ||
f3d2e786 | 232 | struct acpi_table_fadt { |
e2174b0c RW |
233 | struct acpi_table_header header; /* Common ACPI table header */ |
234 | u32 facs; /* 32-bit physical address of FACS */ | |
235 | u32 dsdt; /* 32-bit physical address of DSDT */ | |
236 | u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */ | |
237 | u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */ | |
238 | u16 sci_interrupt; /* System vector of SCI interrupt */ | |
239 | u32 smi_command; /* 32-bit Port address of SMI command port */ | |
240 | u8 acpi_enable; /* Value to write to SMI_CMD to enable ACPI */ | |
241 | u8 acpi_disable; /* Value to write to SMI_CMD to disable ACPI */ | |
242 | u8 s4_bios_request; /* Value to write to SMI_CMD to enter S4BIOS state */ | |
243 | u8 pstate_control; /* Processor performance state control */ | |
244 | u32 pm1a_event_block; /* 32-bit port address of Power Mgt 1a Event Reg Blk */ | |
245 | u32 pm1b_event_block; /* 32-bit port address of Power Mgt 1b Event Reg Blk */ | |
246 | u32 pm1a_control_block; /* 32-bit port address of Power Mgt 1a Control Reg Blk */ | |
247 | u32 pm1b_control_block; /* 32-bit port address of Power Mgt 1b Control Reg Blk */ | |
248 | u32 pm2_control_block; /* 32-bit port address of Power Mgt 2 Control Reg Blk */ | |
249 | u32 pm_timer_block; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */ | |
250 | u32 gpe0_block; /* 32-bit port address of General Purpose Event 0 Reg Blk */ | |
251 | u32 gpe1_block; /* 32-bit port address of General Purpose Event 1 Reg Blk */ | |
252 | u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */ | |
253 | u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */ | |
254 | u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */ | |
255 | u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */ | |
256 | u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */ | |
257 | u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */ | |
258 | u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */ | |
259 | u8 cst_control; /* Support for the _CST object and C-States change notification */ | |
260 | u16 c2_latency; /* Worst case HW latency to enter/exit C2 state */ | |
261 | u16 c3_latency; /* Worst case HW latency to enter/exit C3 state */ | |
262 | u16 flush_size; /* Processor memory cache line width, in bytes */ | |
263 | u16 flush_stride; /* Number of flush strides that need to be read */ | |
264 | u8 duty_offset; /* Processor duty cycle index in processor P_CNT reg */ | |
265 | u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */ | |
266 | u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */ | |
267 | u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */ | |
268 | u8 century; /* Index to century in RTC CMOS RAM */ | |
269 | u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */ | |
270 | u8 reserved; /* Reserved, must be zero */ | |
271 | u32 flags; /* Miscellaneous flag bits (see below for individual flags) */ | |
272 | struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */ | |
273 | u8 reset_value; /* Value to write to the reset_register port to reset the system */ | |
274 | u16 arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */ | |
275 | u8 minor_revision; /* FADT Minor Revision (ACPI 5.1) */ | |
276 | u64 Xfacs; /* 64-bit physical address of FACS */ | |
277 | u64 Xdsdt; /* 64-bit physical address of DSDT */ | |
278 | struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */ | |
279 | struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */ | |
280 | struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */ | |
281 | struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */ | |
282 | struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */ | |
283 | struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */ | |
284 | struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */ | |
285 | struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */ | |
286 | struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */ | |
287 | struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */ | |
288 | u64 hypervisor_id; /* Hypervisor Vendor ID (ACPI 6.0) */ | |
1da177e4 LT |
289 | }; |
290 | ||
9eb1105b | 291 | /* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */ |
993958fe BM |
292 | |
293 | #define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */ | |
294 | #define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */ | |
295 | #define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */ | |
296 | #define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */ | |
297 | #define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */ | |
2355e10f | 298 | #define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */ |
993958fe BM |
299 | |
300 | #define FADT2_REVISION_ID 3 | |
301 | ||
9eb1105b GG |
302 | /* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */ |
303 | ||
e2174b0c RW |
304 | #define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */ |
305 | #define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */ | |
9eb1105b | 306 | |
6e2d5ebd | 307 | /* Masks for FADT flags */ |
f3d2e786 | 308 | |
80187431 BM |
309 | #define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */ |
310 | #define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */ | |
993958fe BM |
311 | #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */ |
312 | #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */ | |
313 | #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */ | |
314 | #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */ | |
80187431 | 315 | #define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */ |
993958fe BM |
316 | #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */ |
317 | #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */ | |
318 | #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */ | |
319 | #define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */ | |
320 | #define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */ | |
321 | #define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */ | |
322 | #define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */ | |
323 | #define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ | |
324 | #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */ | |
325 | #define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ | |
326 | #define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */ | |
327 | #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */ | |
ba494bee | 328 | #define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */ |
2355e10f BM |
329 | #define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */ |
330 | #define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */ | |
993958fe | 331 | |
25985edc | 332 | /* Values for preferred_profile (Preferred Power Management Profiles) */ |
1da177e4 | 333 | |
80187431 | 334 | enum acpi_preferred_pm_profiles { |
f3d2e786 BM |
335 | PM_UNSPECIFIED = 0, |
336 | PM_DESKTOP = 1, | |
337 | PM_MOBILE = 2, | |
338 | PM_WORKSTATION = 3, | |
339 | PM_ENTERPRISE_SERVER = 4, | |
340 | PM_SOHO_SERVER = 5, | |
2355e10f BM |
341 | PM_APPLIANCE_PC = 6, |
342 | PM_PERFORMANCE_SERVER = 7, | |
343 | PM_TABLET = 8 | |
1da177e4 LT |
344 | }; |
345 | ||
aeb823bb | 346 | /* Values for sleep_status and sleep_control registers (V5+ FADT) */ |
2feec47d BM |
347 | |
348 | #define ACPI_X_WAKE_STATUS 0x80 | |
349 | #define ACPI_X_SLEEP_TYPE_MASK 0x1C | |
350 | #define ACPI_X_SLEEP_TYPE_POSITION 0x02 | |
351 | #define ACPI_X_SLEEP_ENABLE 0x20 | |
352 | ||
793c2388 | 353 | /* Reset to default packing */ |
1da177e4 | 354 | |
1da177e4 LT |
355 | #pragma pack() |
356 | ||
6e2d5ebd BM |
357 | /* |
358 | * Internal table-related structures | |
359 | */ | |
50df4d8b BM |
360 | union acpi_name_union { |
361 | u32 integer; | |
362 | char ascii[4]; | |
363 | }; | |
364 | ||
6e2d5ebd BM |
365 | /* Internal ACPI Table Descriptor. One per ACPI table. */ |
366 | ||
50df4d8b BM |
367 | struct acpi_table_desc { |
368 | acpi_physical_address address; | |
369 | struct acpi_table_header *pointer; | |
80187431 | 370 | u32 length; /* Length fixed at 32 bits (fixed in table header) */ |
50df4d8b BM |
371 | union acpi_name_union signature; |
372 | acpi_owner_id owner_id; | |
373 | u8 flags; | |
174cc718 | 374 | u16 validation_count; |
50df4d8b BM |
375 | }; |
376 | ||
83848fbe LZ |
377 | /* |
378 | * Maximum value of the validation_count field in struct acpi_table_desc. | |
379 | * When reached, validation_count cannot be changed any more and the table will | |
380 | * be permanently regarded as validated. | |
381 | * | |
382 | * This is to prevent situations in which unbalanced table get/put operations | |
383 | * may cause premature table unmapping in the OS to happen. | |
384 | * | |
385 | * The maximum validation count can be defined to any value, but should be | |
386 | * greater than the maximum number of OS early stage mapping slots to avoid | |
387 | * leaking early stage table mappings to the late stage. | |
388 | */ | |
389 | #define ACPI_MAX_TABLE_VALIDATIONS ACPI_UINT16_MAX | |
390 | ||
6e2d5ebd | 391 | /* Masks for Flags field above */ |
50df4d8b | 392 | |
ed6f1d44 BM |
393 | #define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */ |
394 | #define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */ | |
395 | #define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */ | |
8a216d7f | 396 | #define ACPI_TABLE_ORIGIN_MASK (3) |
19df56bd | 397 | #define ACPI_TABLE_IS_VERIFIED (4) |
8a216d7f | 398 | #define ACPI_TABLE_IS_LOADED (8) |
50df4d8b | 399 | |
1da177e4 | 400 | /* |
f3d2e786 | 401 | * Get the remaining ACPI tables |
1da177e4 | 402 | */ |
f3d2e786 | 403 | #include <acpi/actbl1.h> |
b24aad44 | 404 | #include <acpi/actbl2.h> |
c5bd6537 | 405 | #include <acpi/actbl3.h> |
ad363f80 | 406 | |
739dcbb9 LZ |
407 | /* Macros used to generate offsets to specific table fields */ |
408 | ||
409 | #define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f) | |
410 | ||
64b3db22 BM |
411 | /* |
412 | * Sizes of the various flavors of FADT. We need to look closely | |
413 | * at the FADT length because the version number essentially tells | |
414 | * us nothing because of many BIOS bugs where the version does not | |
415 | * match the expected length. In other words, the length of the | |
416 | * FADT is the bottom line as to what the version really is. | |
417 | * | |
e2174b0c RW |
418 | * For reference, the values below are as follows: |
419 | * FADT V1 size: 0x074 | |
420 | * FADT V2 size: 0x084 | |
421 | * FADT V3 size: 0x0F4 | |
422 | * FADT V4 size: 0x0F4 | |
423 | * FADT V5 size: 0x10C | |
424 | * FADT V6 size: 0x114 | |
64b3db22 | 425 | */ |
e2174b0c RW |
426 | #define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4) |
427 | #define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (minor_revision) + 1) | |
428 | #define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control)) | |
429 | #define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id)) | |
430 | #define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt)) | |
64b3db22 | 431 | |
b94cd811 BM |
432 | #define ACPI_FADT_CONFORMANCE "ACPI 6.1 (FADT version 6)" |
433 | ||
4be44fcd | 434 | #endif /* __ACTBL_H__ */ |