1 /******************************************************************************
3 * Name: actbl.h - Table data structures defined in ACPI specification
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2005, R. Byron Moore
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49 * Values for description table header signatures
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 */
66 #define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */
70 * Common table types. The base code can remain
71 * constant if the underlying tables are changed
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
82 * ACPI Version-independent tables
84 * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
85 * are in separate files.
87 struct rsdp_descriptor
/* Root System Descriptor Pointer */
89 char signature
[8]; /* ACPI signature, contains "RSD PTR " */
90 u8 checksum
; /* ACPI 1.0 checksum */
91 char oem_id
[6]; /* OEM identification */
92 u8 revision
; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
93 u32 rsdt_physical_address
; /* 32-bit physical address of the RSDT */
94 u32 length
; /* XSDT Length in bytes, including header */
95 u64 xsdt_physical_address
; /* 64-bit physical address of the XSDT */
96 u8 extended_checksum
; /* Checksum of entire table (ACPI 2.0) */
97 char reserved
[3]; /* Reserved, must be zero */
101 struct acpi_common_facs
/* Common FACS for internal use */
104 u64
*firmware_waking_vector
;
109 #define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
110 char signature[4]; /* ASCII table signature */\
111 u32 length; /* Length of table in bytes, including this header */\
112 u8 revision; /* ACPI Specification minor version # */\
113 u8 checksum; /* To make sum of entire table == 0 */\
114 char oem_id[6]; /* ASCII OEM identification */\
115 char oem_table_id[8]; /* ASCII OEM table identification */\
116 u32 oem_revision; /* OEM revision number */\
117 char asl_compiler_id [4]; /* ASCII ASL compiler vendor ID */\
118 u32 asl_compiler_revision; /* ASL compiler version */
121 struct acpi_table_header
/* ACPI common table header */
123 ACPI_TABLE_HEADER_DEF
128 * MADT values and structures
131 /* Values for MADT PCATCompat */
134 #define MULTIPLE_APIC 1
138 struct multiple_apic_table
140 ACPI_TABLE_HEADER_DEF
/* ACPI common table header */
141 u32 local_apic_address
; /* Physical address of local APIC */
143 /* Flags (32 bits) */
145 u8 PCATcompat
: 1; /* 00: System also has dual 8259s */
146 u8
: 7; /* 01-07: Reserved, must be zero */
147 u8 reserved1
[3]; /* 08-31: Reserved, must be zero */
150 /* Values for Type in APIC_HEADER_DEF */
152 #define APIC_PROCESSOR 0
154 #define APIC_XRUPT_OVERRIDE 2
156 #define APIC_LOCAL_NMI 4
157 #define APIC_ADDRESS_OVERRIDE 5
158 #define APIC_IO_SAPIC 6
159 #define APIC_LOCAL_SAPIC 7
160 #define APIC_XRUPT_SOURCE 8
161 #define APIC_RESERVED 9 /* 9 and greater are reserved */
164 * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
166 #define APIC_HEADER_DEF /* Common APIC sub-structure header */\
175 /* Values for MPS INTI flags */
177 #define POLARITY_CONFORMS 0
178 #define POLARITY_ACTIVE_HIGH 1
179 #define POLARITY_RESERVED 2
180 #define POLARITY_ACTIVE_LOW 3
182 #define TRIGGER_CONFORMS 0
183 #define TRIGGER_EDGE 1
184 #define TRIGGER_RESERVED 2
185 #define TRIGGER_LEVEL 3
187 /* Common flag definitions (16 bits each) */
189 #define MPS_INTI_FLAGS \
190 u8 polarity : 2; /* 00-01: Polarity of APIC I/O input signals */\
191 u8 trigger_mode : 2; /* 02-03: Trigger mode of APIC input signals */\
192 u8 : 4; /* 04-07: Reserved, must be zero */\
193 u8 reserved1; /* 08-15: Reserved, must be zero */
195 #define LOCAL_APIC_FLAGS \
196 u8 processor_enabled: 1; /* 00: Processor is usable if set */\
197 u8 : 7; /* 01-07: Reserved, must be zero */\
198 u8 reserved2; /* 08-15: Reserved, must be zero */
200 /* Sub-structures for MADT */
202 struct madt_processor_apic
205 u8 processor_id
; /* ACPI processor id */
206 u8 local_apic_id
; /* Processor's local APIC id */
213 u8 io_apic_id
; /* I/O APIC ID */
214 u8 reserved
; /* Reserved - must be zero */
215 u32 address
; /* APIC physical address */
216 u32 interrupt
; /* Global system interrupt where INTI
220 struct madt_interrupt_override
223 u8 bus
; /* 0 - ISA */
224 u8 source
; /* Interrupt source (IRQ) */
225 u32 interrupt
; /* Global system interrupt */
229 struct madt_nmi_source
233 u32 interrupt
; /* Global system interrupt */
236 struct madt_local_apic_nmi
239 u8 processor_id
; /* ACPI processor id */
241 u8 lint
; /* LINTn to which NMI is connected */
244 struct madt_address_override
247 u16 reserved
; /* Reserved, must be zero */
248 u64 address
; /* APIC physical address */
254 u8 io_sapic_id
; /* I/O SAPIC ID */
255 u8 reserved
; /* Reserved, must be zero */
256 u32 interrupt_base
; /* Glocal interrupt for SAPIC start */
257 u64 address
; /* SAPIC physical address */
260 struct madt_local_sapic
263 u8 processor_id
; /* ACPI processor id */
264 u8 local_sapic_id
; /* SAPIC ID */
265 u8 local_sapic_eid
; /* SAPIC EID */
266 u8 reserved
[3]; /* Reserved, must be zero */
268 u32 processor_uID
; /* Numeric UID - ACPI 3.0 */
269 char processor_uIDstring
[1]; /* String UID - ACPI 3.0 */
272 struct madt_interrupt_source
276 u8 interrupt_type
; /* 1=PMI, 2=INIT, 3=corrected */
277 u8 processor_id
; /* Processor ID */
278 u8 processor_eid
; /* Processor EID */
279 u8 io_sapic_vector
; /* Vector value for PMI interrupts */
280 u32 interrupt
; /* Global system interrupt */
281 u32 flags
; /* Interrupt Source Flags */
288 struct smart_battery_table
290 ACPI_TABLE_HEADER_DEF
301 * ACPI Table information. We save the table address, length,
302 * and type of memory allocation (mapped or allocated) for each
303 * table for 1) when we exit, and 2) if a new table is installed
305 #define ACPI_MEM_NOT_ALLOCATED 0
306 #define ACPI_MEM_ALLOCATED 1
307 #define ACPI_MEM_MAPPED 2
309 /* Definitions for the Flags bitfield member of struct acpi_table_support */
311 #define ACPI_TABLE_SINGLE 0x00
312 #define ACPI_TABLE_MULTIPLE 0x01
313 #define ACPI_TABLE_EXECUTABLE 0x02
315 #define ACPI_TABLE_ROOT 0x00
316 #define ACPI_TABLE_PRIMARY 0x10
317 #define ACPI_TABLE_SECONDARY 0x20
318 #define ACPI_TABLE_ALL 0x30
319 #define ACPI_TABLE_TYPE_MASK 0x30
321 /* Data about each known table type */
323 struct acpi_table_support
334 * Get the ACPI version-specific tables
336 #include "actbl1.h" /* Acpi 1.0 table definitions */
337 #include "actbl2.h" /* Acpi 2.0 table definitions */
339 extern u8 acpi_fadt_is_v1
; /* is set to 1 if FADT is revision 1,
340 * needed for certain workarounds */
344 * High performance timer
348 ACPI_TABLE_HEADER_DEF
350 struct acpi_generic_address base_address
;
358 #endif /* __ACTBL_H__ */