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1/******************************************************************************
2 *
3 * Name: actbl.h - Table data structures defined in ACPI specification
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
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 * Values for description table header signatures
50 */
51#define RSDP_NAME "RSDP"
52#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
53#define APIC_SIG "APIC" /* Multiple APIC Description Table */
54#define DSDT_SIG "DSDT" /* Differentiated System Description Table */
55#define FADT_SIG "FACP" /* Fixed ACPI Description Table */
56#define FACS_SIG "FACS" /* Firmware ACPI Control Structure */
57#define PSDT_SIG "PSDT" /* Persistent System Description Table */
58#define RSDT_SIG "RSDT" /* Root System Description Table */
59#define XSDT_SIG "XSDT" /* Extended System Description Table */
60#define SSDT_SIG "SSDT" /* Secondary System Description Table */
61#define SBST_SIG "SBST" /* Smart Battery Specification Table */
62#define SPIC_SIG "SPIC" /* IOSAPIC table */
63#define BOOT_SIG "BOOT" /* Boot table */
64
65
66#define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */
67
68
69/*
70 * Common table types. The base code can remain
71 * constant if the underlying tables are changed
72 */
73#define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2
74#define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2
75#define FACS_DESCRIPTOR struct facs_descriptor_rev2
76#define FADT_DESCRIPTOR struct fadt_descriptor_rev2
77
78
79#pragma pack(1)
80
81/*
82 * ACPI Version-independent tables
83 *
84 * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
85 * are in separate files.
86 */
87struct rsdp_descriptor /* Root System Descriptor Pointer */
88{
89 char signature [8]; /* ACPI signature, contains "RSD PTR " */
90 u8 checksum; /* To make sum of struct == 0 */
91 char oem_id [6]; /* OEM identification */
92 u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */
93 u32 rsdt_physical_address; /* 32-bit physical address of RSDT */
94 u32 length; /* XSDT Length in bytes including hdr */
95 u64 xsdt_physical_address; /* 64-bit physical address of XSDT */
96 u8 extended_checksum; /* Checksum of entire table */
97 char reserved [3]; /* Reserved field must be 0 */
98};
99
100
101struct acpi_common_facs /* Common FACS for internal use */
102{
103 u32 *global_lock;
104 u64 *firmware_waking_vector;
105 u8 vector_width;
106};
107
108
109#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
110 char signature [4]; /* ACPI signature (4 ASCII characters) */\
111 u32 length; /* Length of table, in bytes, including header */\
112 u8 revision; /* ACPI Specification minor version # */\
113 u8 checksum; /* To make sum of entire table == 0 */\
114 char oem_id [6]; /* OEM identification */\
115 char oem_table_id [8]; /* OEM table identification */\
116 u32 oem_revision; /* OEM revision number */\
117 char asl_compiler_id [4]; /* ASL compiler vendor ID */\
118 u32 asl_compiler_revision; /* ASL compiler revision number */
119
120
121struct acpi_table_header /* ACPI common table header */
122{
123 ACPI_TABLE_HEADER_DEF
124};
125
126
127/*
128 * MADT values and structures
129 */
130
131/* Values for MADT PCATCompat */
132
133#define DUAL_PIC 0
134#define MULTIPLE_APIC 1
135
136
137/* Master MADT */
138
139struct multiple_apic_table
140{
141 ACPI_TABLE_HEADER_DEF /* ACPI common table header */
142 u32 local_apic_address; /* Physical address of local APIC */
143 u32 PCATcompat : 1; /* A one indicates system also has dual 8259s */
144 u32 reserved1 : 31;
145};
146
147
148/* Values for Type in APIC_HEADER_DEF */
149
150#define APIC_PROCESSOR 0
151#define APIC_IO 1
152#define APIC_XRUPT_OVERRIDE 2
153#define APIC_NMI 3
154#define APIC_LOCAL_NMI 4
155#define APIC_ADDRESS_OVERRIDE 5
156#define APIC_IO_SAPIC 6
157#define APIC_LOCAL_SAPIC 7
158#define APIC_XRUPT_SOURCE 8
159#define APIC_RESERVED 9 /* 9 and greater are reserved */
160
161/*
162 * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
163 */
164#define APIC_HEADER_DEF /* Common APIC sub-structure header */\
165 u8 type; \
166 u8 length;
167
168struct apic_header
169{
170 APIC_HEADER_DEF
171};
172
173/* Values for MPS INTI flags */
174
175#define POLARITY_CONFORMS 0
176#define POLARITY_ACTIVE_HIGH 1
177#define POLARITY_RESERVED 2
178#define POLARITY_ACTIVE_LOW 3
179
180#define TRIGGER_CONFORMS 0
181#define TRIGGER_EDGE 1
182#define TRIGGER_RESERVED 2
183#define TRIGGER_LEVEL 3
184
185/* Common flag definitions */
186
187#define MPS_INTI_FLAGS \
188 u16 polarity : 2; /* Polarity of APIC I/O input signals */\
189 u16 trigger_mode : 2; /* Trigger mode of APIC input signals */\
190 u16 reserved1 : 12; /* Reserved, must be zero */
191
192#define LOCAL_APIC_FLAGS \
193 u32 processor_enabled: 1; /* Processor is usable if set */\
194 u32 reserved2 : 31; /* Reserved, must be zero */
195
196/* Sub-structures for MADT */
197
198struct madt_processor_apic
199{
200 APIC_HEADER_DEF
201 u8 processor_id; /* ACPI processor id */
202 u8 local_apic_id; /* Processor's local APIC id */
203 LOCAL_APIC_FLAGS
204};
205
206struct madt_io_apic
207{
208 APIC_HEADER_DEF
209 u8 io_apic_id; /* I/O APIC ID */
210 u8 reserved; /* Reserved - must be zero */
211 u32 address; /* APIC physical address */
212 u32 interrupt; /* Global system interrupt where INTI
213 * lines start */
214};
215
216struct madt_interrupt_override
217{
218 APIC_HEADER_DEF
219 u8 bus; /* 0 - ISA */
220 u8 source; /* Interrupt source (IRQ) */
221 u32 interrupt; /* Global system interrupt */
222 MPS_INTI_FLAGS
223};
224
225struct madt_nmi_source
226{
227 APIC_HEADER_DEF
228 MPS_INTI_FLAGS
229 u32 interrupt; /* Global system interrupt */
230};
231
232struct madt_local_apic_nmi
233{
234 APIC_HEADER_DEF
235 u8 processor_id; /* ACPI processor id */
236 MPS_INTI_FLAGS
237 u8 lint; /* LINTn to which NMI is connected */
238};
239
240struct madt_address_override
241{
242 APIC_HEADER_DEF
243 u16 reserved; /* Reserved - must be zero */
244 u64 address; /* APIC physical address */
245};
246
247struct madt_io_sapic
248{
249 APIC_HEADER_DEF
250 u8 io_sapic_id; /* I/O SAPIC ID */
251 u8 reserved; /* Reserved - must be zero */
252 u32 interrupt_base; /* Glocal interrupt for SAPIC start */
253 u64 address; /* SAPIC physical address */
254};
255
256struct madt_local_sapic
257{
258 APIC_HEADER_DEF
259 u8 processor_id; /* ACPI processor id */
260 u8 local_sapic_id; /* SAPIC ID */
261 u8 local_sapic_eid; /* SAPIC EID */
262 u8 reserved [3]; /* Reserved - must be zero */
263 LOCAL_APIC_FLAGS
264 u32 processor_uID; /* Numeric UID - ACPI 3.0 */
265 char processor_uIDstring[1]; /* String UID - ACPI 3.0 */
266};
267
268struct madt_interrupt_source
269{
270 APIC_HEADER_DEF
271 MPS_INTI_FLAGS
272 u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */
273 u8 processor_id; /* Processor ID */
274 u8 processor_eid; /* Processor EID */
275 u8 io_sapic_vector; /* Vector value for PMI interrupts */
276 u32 interrupt; /* Global system interrupt */
277 u32 flags; /* Interrupt Source Flags */
278};
279
280
281/*
282 * Smart Battery
283 */
284struct smart_battery_table
285{
286 ACPI_TABLE_HEADER_DEF
287 u32 warning_level;
288 u32 low_level;
289 u32 critical_level;
290};
291
292
293#pragma pack()
294
295
296/*
297 * ACPI Table information. We save the table address, length,
298 * and type of memory allocation (mapped or allocated) for each
299 * table for 1) when we exit, and 2) if a new table is installed
300 */
301#define ACPI_MEM_NOT_ALLOCATED 0
302#define ACPI_MEM_ALLOCATED 1
303#define ACPI_MEM_MAPPED 2
304
305/* Definitions for the Flags bitfield member of struct acpi_table_support */
306
307#define ACPI_TABLE_SINGLE 0x00
308#define ACPI_TABLE_MULTIPLE 0x01
309#define ACPI_TABLE_EXECUTABLE 0x02
310
311#define ACPI_TABLE_ROOT 0x00
312#define ACPI_TABLE_PRIMARY 0x10
313#define ACPI_TABLE_SECONDARY 0x20
314#define ACPI_TABLE_ALL 0x30
315#define ACPI_TABLE_TYPE_MASK 0x30
316
317/* Data about each known table type */
318
319struct acpi_table_support
320{
321 char *name;
322 char *signature;
323 void **global_ptr;
324 u8 sig_length;
325 u8 flags;
326};
327
328
329/*
330 * Get the ACPI version-specific tables
331 */
332#include "actbl1.h" /* Acpi 1.0 table definitions */
333#include "actbl2.h" /* Acpi 2.0 table definitions */
334
335extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1,
336 * needed for certain workarounds */
337
338#pragma pack(1)
339/*
340 * High performance timer
341 */
342struct hpet_table
343{
344 ACPI_TABLE_HEADER_DEF
345 u32 hardware_id;
346 struct acpi_generic_address base_address;
347 u8 hpet_number;
348 u16 clock_tick;
349 u8 attributes;
350};
351
352#pragma pack()
353
354#endif /* __ACTBL_H__ */
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