/root/src/xen/xen/include/acpi/actbl.h
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Name: actbl.h - Basic ACPI Table Definitions |
4 | | * |
5 | | *****************************************************************************/ |
6 | | |
7 | | /* |
8 | | * Copyright (C) 2000 - 2011, 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 __ACTBL_H__ |
45 | | #define __ACTBL_H__ |
46 | | |
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 | | |
60 | | /* |
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. |
64 | | */ |
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 */ |
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 */ |
73 | | #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */ |
74 | | |
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 | | /* |
82 | | * 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 | | |
87 | | /******************************************************************************* |
88 | | * |
89 | | * Master ACPI Table Header. This common header is used by all ACPI tables |
90 | | * except the RSDP and FACS. |
91 | | * |
92 | | ******************************************************************************/ |
93 | | |
94 | | struct acpi_table_header { |
95 | | 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 | | }; |
105 | | |
106 | | /******************************************************************************* |
107 | | * |
108 | | * GAS - Generic Address Structure (ACPI 2.0+) |
109 | | * |
110 | | * Note: Since this structure is used in the ACPI tables, it is byte aligned. |
111 | | * 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 | | |
116 | | struct acpi_generic_address { |
117 | | 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 */ |
120 | | u8 access_width; /* Minimum Access size (ACPI 3.0) */ |
121 | | u64 address; /* 64-bit address of struct or register */ |
122 | | }; |
123 | | |
124 | | /******************************************************************************* |
125 | | * |
126 | | * RSDP - Root System Description Pointer (Signature is "RSD PTR ") |
127 | | * Version 2 |
128 | | * |
129 | | ******************************************************************************/ |
130 | | |
131 | | struct acpi_table_rsdp { |
132 | | char signature[8]; /* ACPI signature, contains "RSD PTR " */ |
133 | | u8 checksum; /* ACPI 1.0 checksum */ |
134 | | char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */ |
135 | | 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 | | }; |
142 | | |
143 | | #define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */ |
144 | | |
145 | | /******************************************************************************* |
146 | | * |
147 | | * RSDT/XSDT - Root System Description Tables |
148 | | * Version 1 (both) |
149 | | * |
150 | | ******************************************************************************/ |
151 | | |
152 | | struct 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 */ |
155 | | }; |
156 | | |
157 | | struct 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 */ |
160 | | }; |
161 | | |
162 | | /******************************************************************************* |
163 | | * |
164 | | * FACS - Firmware ACPI Control Structure (FACS) |
165 | | * |
166 | | ******************************************************************************/ |
167 | | |
168 | | struct acpi_table_facs { |
169 | | 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 */ |
174 | | u32 flags; |
175 | | 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+) */ |
177 | | 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 */ |
180 | | }; |
181 | | |
182 | | /* Masks for global_lock flag field above */ |
183 | | |
184 | | #define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */ |
185 | | #define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */ |
186 | | |
187 | | /* Masks for Flags field above */ |
188 | | |
189 | | #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 | | |
192 | | /* Masks for ospm_flags field above */ |
193 | | |
194 | | #define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */ |
195 | | |
196 | | /******************************************************************************* |
197 | | * |
198 | | * FADT - Fixed ACPI Description Table (Signature "FACP") |
199 | | * Version 4 |
200 | | * |
201 | | ******************************************************************************/ |
202 | | |
203 | | /* Fields common to all versions of the FADT */ |
204 | | |
205 | | struct 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 */ |
209 | | u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */ |
210 | | u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */ |
211 | | u16 sci_interrupt; /* System vector of SCI interrupt */ |
212 | | u32 smi_command; /* 32-bit Port address of SMI command port */ |
213 | | 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 */ |
217 | | 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 */ |
233 | | 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 */ |
237 | | u8 duty_offset; /* Processor duty cycle index in processor's P_CNT reg */ |
238 | | u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */ |
239 | | 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 */ |
242 | | u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */ |
243 | | u8 reserved; /* Reserved, must be zero */ |
244 | | u32 flags; /* Miscellaneous flag bits (see below for individual flags) */ |
245 | | struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */ |
246 | | u8 reset_value; /* Value to write to the reset_register port to reset the system */ |
247 | | u16 arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */ |
248 | | u8 minor_revision; /* FADT Minor Revision (ACPI 5.1) */ |
249 | | u64 Xfacs; /* 64-bit physical address of FACS */ |
250 | | u64 Xdsdt; /* 64-bit physical address of DSDT */ |
251 | | struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */ |
252 | | struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */ |
253 | | struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */ |
254 | | struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */ |
255 | | struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */ |
256 | | struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */ |
257 | | struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */ |
258 | | struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */ |
259 | | struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register */ |
260 | | struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register */ |
261 | | u64 hypervisor_id; /* Hypervisor Vendor ID (ACPI 6.0) */ |
262 | | }; |
263 | | |
264 | | /* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) */ |
265 | | |
266 | | #define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */ |
267 | | #define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */ |
268 | | #define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */ |
269 | 1 | #define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */ |
270 | | #define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */ |
271 | | #define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */ |
272 | | |
273 | | #define FADT2_REVISION_ID 3 |
274 | | |
275 | | /* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */ |
276 | | |
277 | | #define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */ |
278 | | #define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */ |
279 | | |
280 | | /* Masks for FADT flags */ |
281 | | |
282 | 0 | #define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */ |
283 | | #define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */ |
284 | | #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */ |
285 | | #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */ |
286 | | #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */ |
287 | | #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */ |
288 | | #define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status not in fixed register space */ |
289 | | #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */ |
290 | 0 | #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */ |
291 | | #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */ |
292 | 0 | #define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */ |
293 | | #define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */ |
294 | | #define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */ |
295 | | #define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */ |
296 | | #define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ |
297 | | #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */ |
298 | | #define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ |
299 | | #define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */ |
300 | 2 | #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */ |
301 | 3 | #define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */ |
302 | | #define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */ |
303 | | #define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */ |
304 | | |
305 | | /* Values for preferred_profile (Preferred Power Management Profiles) */ |
306 | | |
307 | | enum acpi_prefered_pm_profiles { |
308 | | PM_UNSPECIFIED = 0, |
309 | | PM_DESKTOP = 1, |
310 | | PM_MOBILE = 2, |
311 | | PM_WORKSTATION = 3, |
312 | | PM_ENTERPRISE_SERVER = 4, |
313 | | PM_SOHO_SERVER = 5, |
314 | | PM_APPLIANCE_PC = 6, |
315 | | PM_PERFORMANCE_SERVER = 7, |
316 | | PM_TABLET = 8 |
317 | | }; |
318 | | |
319 | | /* Values for sleep_status and sleep_control registers (V5+ FADT) */ |
320 | | |
321 | 0 | #define ACPI_X_WAKE_STATUS 0x80 |
322 | 0 | #define ACPI_X_SLEEP_TYPE_MASK 0x1C |
323 | 0 | #define ACPI_X_SLEEP_TYPE_POSITION 0x02 |
324 | 0 | #define ACPI_X_SLEEP_ENABLE 0x20 |
325 | | |
326 | | /* Reset to default packing */ |
327 | | |
328 | | #pragma pack() |
329 | | |
330 | | #define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f) |
331 | | |
332 | | /* |
333 | | * Get the remaining ACPI tables |
334 | | */ |
335 | | |
336 | | #include <acpi/actbl1.h> |
337 | | #include <acpi/actbl2.h> |
338 | | #include <acpi/actbl3.h> |
339 | | |
340 | | /* |
341 | | * Sizes of the various flavors of FADT. We need to look closely |
342 | | * at the FADT length because the version number essentially tells |
343 | | * us nothing because of many BIOS bugs where the version does not |
344 | | * match the expected length. In other words, the length of the |
345 | | * FADT is the bottom line as to what the version really is. |
346 | | * |
347 | | * For reference, the values below are as follows: |
348 | | * FADT V1 size: 0x074 |
349 | | * FADT V2 size: 0x084 |
350 | | * FADT V3 size: 0x0F4 |
351 | | * FADT V4 size: 0x0F4 |
352 | | * FADT V5 size: 0x10C |
353 | | * FADT V6 size: 0x114 |
354 | | */ |
355 | | #define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4) |
356 | | #define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (minor_revision) + 1) |
357 | | #define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control)) |
358 | | #define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id)) |
359 | | #define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt)) |
360 | | |
361 | | #endif /* __ACTBL_H__ */ |