/******************************************************************************
*
- * Name: actbl.h - Table data structures defined in ACPI specification
+ * Name: actbl.h - Basic ACPI Table Definitions
*
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2010, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#ifndef __ACTBL_H__
#define __ACTBL_H__
+/*******************************************************************************
+ *
+ * Fundamental ACPI tables
+ *
+ * This file contains definitions for the ACPI tables that are directly consumed
+ * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
+ * device drivers and other OS support code.
+ *
+ * The RSDP and FACS do not use the common ACPI table header. All other ACPI
+ * tables use the header.
+ *
+ ******************************************************************************/
/*
- * Values for description table header signatures
+ * Values for description table header signatures for tables defined in this
+ * file. Useful because they make it more difficult to inadvertently type in
+ * the wrong signature.
*/
-#define RSDP_NAME "RSDP"
-#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
-#define APIC_SIG "APIC" /* Multiple APIC Description Table */
-#define DSDT_SIG "DSDT" /* Differentiated System Description Table */
-#define FADT_SIG "FACP" /* Fixed ACPI Description Table */
-#define FACS_SIG "FACS" /* Firmware ACPI Control Structure */
-#define PSDT_SIG "PSDT" /* Persistent System Description Table */
-#define RSDT_SIG "RSDT" /* Root System Description Table */
-#define XSDT_SIG "XSDT" /* Extended System Description Table */
-#define SSDT_SIG "SSDT" /* Secondary System Description Table */
-#define SBST_SIG "SBST" /* Smart Battery Specification Table */
-#define SPIC_SIG "SPIC" /* IOSAPIC table */
-#define BOOT_SIG "BOOT" /* Boot table */
-
-
-#define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */
-
+#define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
+#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
+#define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
+#define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
+#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
+#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
+#define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
+#define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
+#define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
/*
- * Common table types. The base code can remain
- * constant if the underlying tables are changed
+ * All tables and structures must be byte-packed to match the ACPI
+ * specification, since the tables are provided by the system BIOS
*/
-#define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2
-#define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2
-#define FACS_DESCRIPTOR struct facs_descriptor_rev2
-#define FADT_DESCRIPTOR struct fadt_descriptor_rev2
-
-
#pragma pack(1)
/*
- * ACPI Version-independent tables
- *
- * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
- * are in separate files.
+ * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
+ * This is the only type that is even remotely portable. Anything else is not
+ * portable, so do not use any other bitfield types.
*/
-struct rsdp_descriptor /* Root System Descriptor Pointer */
-{
- char signature [8]; /* ACPI signature, contains "RSD PTR " */
- u8 checksum; /* To make sum of struct == 0 */
- char oem_id [6]; /* OEM identification */
- u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */
- u32 rsdt_physical_address; /* 32-bit physical address of RSDT */
- u32 length; /* XSDT Length in bytes including hdr */
- u64 xsdt_physical_address; /* 64-bit physical address of XSDT */
- u8 extended_checksum; /* Checksum of entire table */
- char reserved [3]; /* Reserved field must be 0 */
-};
-
-struct acpi_common_facs /* Common FACS for internal use */
-{
- u32 *global_lock;
- u64 *firmware_waking_vector;
- u8 vector_width;
+/*******************************************************************************
+ *
+ * Master ACPI Table Header. This common header is used by all ACPI tables
+ * except the RSDP and FACS.
+ *
+ ******************************************************************************/
+
+struct acpi_table_header {
+ char signature[ACPI_NAME_SIZE]; /* ASCII table signature */
+ u32 length; /* Length of table in bytes, including this header */
+ u8 revision; /* ACPI Specification minor version # */
+ u8 checksum; /* To make sum of entire table == 0 */
+ char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
+ char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
+ u32 oem_revision; /* OEM revision number */
+ char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
+ u32 asl_compiler_revision; /* ASL compiler version */
};
-
-#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
- char signature [4]; /* ACPI signature (4 ASCII characters) */\
- u32 length; /* Length of table, in bytes, including header */\
- u8 revision; /* ACPI Specification minor version # */\
- u8 checksum; /* To make sum of entire table == 0 */\
- char oem_id [6]; /* OEM identification */\
- char oem_table_id [8]; /* OEM table identification */\
- u32 oem_revision; /* OEM revision number */\
- char asl_compiler_id [4]; /* ASL compiler vendor ID */\
- u32 asl_compiler_revision; /* ASL compiler revision number */
-
-
-struct acpi_table_header /* ACPI common table header */
-{
- ACPI_TABLE_HEADER_DEF
+/*******************************************************************************
+ *
+ * GAS - Generic Address Structure (ACPI 2.0+)
+ *
+ * Note: Since this structure is used in the ACPI tables, it is byte aligned.
+ * If misaliged access is not supported by the hardware, accesses to the
+ * 64-bit Address field must be performed with care.
+ *
+ ******************************************************************************/
+
+struct acpi_generic_address {
+ u8 space_id; /* Address space where struct or register exists */
+ u8 bit_width; /* Size in bits of given register */
+ u8 bit_offset; /* Bit offset within the register */
+ u8 access_width; /* Minimum Access size (ACPI 3.0) */
+ u64 address; /* 64-bit address of struct or register */
};
-
-/*
- * MADT values and structures
- */
-
-/* Values for MADT PCATCompat */
-
-#define DUAL_PIC 0
-#define MULTIPLE_APIC 1
-
-/* Master MADT */
-
-struct multiple_apic_table
-{
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 local_apic_address; /* Physical address of local APIC */
- u32 PCATcompat : 1; /* A one indicates system also has dual 8259s */
- u32 reserved1 : 31;
+/*******************************************************************************
+ *
+ * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
+ * Version 2
+ *
+ ******************************************************************************/
+
+struct acpi_table_rsdp {
+ char signature[8]; /* ACPI signature, contains "RSD PTR " */
+ u8 checksum; /* ACPI 1.0 checksum */
+ char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */
+ u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
+ u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
+ u32 length; /* Table length in bytes, including header (ACPI 2.0+) */
+ u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
+ u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
+ u8 reserved[3]; /* Reserved, must be zero */
};
-/* Values for Type in APIC_HEADER_DEF */
-
-#define APIC_PROCESSOR 0
-#define APIC_IO 1
-#define APIC_XRUPT_OVERRIDE 2
-#define APIC_NMI 3
-#define APIC_LOCAL_NMI 4
-#define APIC_ADDRESS_OVERRIDE 5
-#define APIC_IO_SAPIC 6
-#define APIC_LOCAL_SAPIC 7
-#define APIC_XRUPT_SOURCE 8
-#define APIC_RESERVED 9 /* 9 and greater are reserved */
+#define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */
-/*
- * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
- */
-#define APIC_HEADER_DEF /* Common APIC sub-structure header */\
- u8 type; \
- u8 length;
+/*******************************************************************************
+ *
+ * RSDT/XSDT - Root System Description Tables
+ * Version 1 (both)
+ *
+ ******************************************************************************/
-struct apic_header
-{
- APIC_HEADER_DEF
+struct acpi_table_rsdt {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
};
-/* Values for MPS INTI flags */
-
-#define POLARITY_CONFORMS 0
-#define POLARITY_ACTIVE_HIGH 1
-#define POLARITY_RESERVED 2
-#define POLARITY_ACTIVE_LOW 3
-
-#define TRIGGER_CONFORMS 0
-#define TRIGGER_EDGE 1
-#define TRIGGER_RESERVED 2
-#define TRIGGER_LEVEL 3
-
-/* Common flag definitions */
-
-#define MPS_INTI_FLAGS \
- u16 polarity : 2; /* Polarity of APIC I/O input signals */\
- u16 trigger_mode : 2; /* Trigger mode of APIC input signals */\
- u16 reserved1 : 12; /* Reserved, must be zero */
-
-#define LOCAL_APIC_FLAGS \
- u32 processor_enabled: 1; /* Processor is usable if set */\
- u32 reserved2 : 31; /* Reserved, must be zero */
-
-/* Sub-structures for MADT */
-
-struct madt_processor_apic
-{
- APIC_HEADER_DEF
- u8 processor_id; /* ACPI processor id */
- u8 local_apic_id; /* Processor's local APIC id */
- LOCAL_APIC_FLAGS
+struct acpi_table_xsdt {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
};
-struct madt_io_apic
-{
- APIC_HEADER_DEF
- u8 io_apic_id; /* I/O APIC ID */
- u8 reserved; /* Reserved - must be zero */
- u32 address; /* APIC physical address */
- u32 interrupt; /* Global system interrupt where INTI
- * lines start */
+/*******************************************************************************
+ *
+ * FACS - Firmware ACPI Control Structure (FACS)
+ *
+ ******************************************************************************/
+
+struct acpi_table_facs {
+ char signature[4]; /* ASCII table signature */
+ u32 length; /* Length of structure, in bytes */
+ u32 hardware_signature; /* Hardware configuration signature */
+ u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */
+ u32 global_lock; /* Global Lock for shared hardware resources */
+ u32 flags;
+ u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
+ u8 version; /* Version of this table (ACPI 2.0+) */
+ u8 reserved[3]; /* Reserved, must be zero */
+ u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */
+ u8 reserved1[24]; /* Reserved, must be zero */
};
-struct madt_interrupt_override
-{
- APIC_HEADER_DEF
- u8 bus; /* 0 - ISA */
- u8 source; /* Interrupt source (IRQ) */
- u32 interrupt; /* Global system interrupt */
- MPS_INTI_FLAGS
-};
+/* Masks for global_lock flag field above */
-struct madt_nmi_source
-{
- APIC_HEADER_DEF
- MPS_INTI_FLAGS
- u32 interrupt; /* Global system interrupt */
-};
+#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
+#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
-struct madt_local_apic_nmi
-{
- APIC_HEADER_DEF
- u8 processor_id; /* ACPI processor id */
- MPS_INTI_FLAGS
- u8 lint; /* LINTn to which NMI is connected */
-};
+/* Masks for Flags field above */
-struct madt_address_override
-{
- APIC_HEADER_DEF
- u16 reserved; /* Reserved - must be zero */
- u64 address; /* APIC physical address */
-};
+#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
+#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
-struct madt_io_sapic
-{
- APIC_HEADER_DEF
- u8 io_sapic_id; /* I/O SAPIC ID */
- u8 reserved; /* Reserved - must be zero */
- u32 interrupt_base; /* Glocal interrupt for SAPIC start */
- u64 address; /* SAPIC physical address */
-};
+/* Masks for ospm_flags field above */
-struct madt_local_sapic
-{
- APIC_HEADER_DEF
- u8 processor_id; /* ACPI processor id */
- u8 local_sapic_id; /* SAPIC ID */
- u8 local_sapic_eid; /* SAPIC EID */
- u8 reserved [3]; /* Reserved - must be zero */
- LOCAL_APIC_FLAGS
- u32 processor_uID; /* Numeric UID - ACPI 3.0 */
- char processor_uIDstring[1]; /* String UID - ACPI 3.0 */
-};
+#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
-struct madt_interrupt_source
-{
- APIC_HEADER_DEF
- MPS_INTI_FLAGS
- u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */
- u8 processor_id; /* Processor ID */
- u8 processor_eid; /* Processor EID */
- u8 io_sapic_vector; /* Vector value for PMI interrupts */
- u32 interrupt; /* Global system interrupt */
- u32 flags; /* Interrupt Source Flags */
+/*******************************************************************************
+ *
+ * FADT - Fixed ACPI Description Table (Signature "FACP")
+ * Version 4
+ *
+ ******************************************************************************/
+
+/* Fields common to all versions of the FADT */
+
+struct acpi_table_fadt {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u32 facs; /* 32-bit physical address of FACS */
+ u32 dsdt; /* 32-bit physical address of DSDT */
+ u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
+ u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */
+ u16 sci_interrupt; /* System vector of SCI interrupt */
+ u32 smi_command; /* 32-bit Port address of SMI command port */
+ u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */
+ u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */
+ u8 S4bios_request; /* Value to write to SMI CMD to enter S4BIOS state */
+ u8 pstate_control; /* Processor performance state control */
+ u32 pm1a_event_block; /* 32-bit Port address of Power Mgt 1a Event Reg Blk */
+ u32 pm1b_event_block; /* 32-bit Port address of Power Mgt 1b Event Reg Blk */
+ u32 pm1a_control_block; /* 32-bit Port address of Power Mgt 1a Control Reg Blk */
+ u32 pm1b_control_block; /* 32-bit Port address of Power Mgt 1b Control Reg Blk */
+ u32 pm2_control_block; /* 32-bit Port address of Power Mgt 2 Control Reg Blk */
+ u32 pm_timer_block; /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */
+ u32 gpe0_block; /* 32-bit Port address of General Purpose Event 0 Reg Blk */
+ u32 gpe1_block; /* 32-bit Port address of General Purpose Event 1 Reg Blk */
+ u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */
+ u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */
+ u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */
+ u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */
+ u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */
+ u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */
+ u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */
+ u8 cst_control; /* Support for the _CST object and C States change notification */
+ u16 C2latency; /* Worst case HW latency to enter/exit C2 state */
+ u16 C3latency; /* Worst case HW latency to enter/exit C3 state */
+ u16 flush_size; /* Processor's memory cache line width, in bytes */
+ u16 flush_stride; /* Number of flush strides that need to be read */
+ u8 duty_offset; /* Processor duty cycle index in processor's P_CNT reg */
+ u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */
+ u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */
+ u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */
+ u8 century; /* Index to century in RTC CMOS RAM */
+ u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
+ u8 reserved; /* Reserved, must be zero */
+ u32 flags; /* Miscellaneous flag bits (see below for individual flags) */
+ struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */
+ u8 reset_value; /* Value to write to the reset_register port to reset the system */
+ u8 reserved4[3]; /* Reserved, must be zero */
+ u64 Xfacs; /* 64-bit physical address of FACS */
+ u64 Xdsdt; /* 64-bit physical address of DSDT */
+ struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
+ struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
+ struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
+ struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
+ struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
+ struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
+ struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
+ struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
};
-
-/*
- * Smart Battery
- */
-struct smart_battery_table
-{
- ACPI_TABLE_HEADER_DEF
- u32 warning_level;
- u32 low_level;
- u32 critical_level;
+/* Masks for FADT Boot Architecture Flags (boot_flags) */
+
+#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
+#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
+#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
+#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
+#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
+
+#define FADT2_REVISION_ID 3
+
+/* Masks for FADT flags */
+
+#define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */
+#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */
+#define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
+#define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
+#define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
+#define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
+#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status not in fixed register space */
+#define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
+#define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
+#define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
+#define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
+#define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
+#define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
+#define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
+#define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
+#define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
+#define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
+#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
+#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
+#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */
+
+/* Values for preferred_profile (Prefered Power Management Profiles) */
+
+enum acpi_prefered_pm_profiles {
+ PM_UNSPECIFIED = 0,
+ PM_DESKTOP = 1,
+ PM_MOBILE = 2,
+ PM_WORKSTATION = 3,
+ PM_ENTERPRISE_SERVER = 4,
+ PM_SOHO_SERVER = 5,
+ PM_APPLIANCE_PC = 6
};
+/* Reset to default packing */
#pragma pack()
+#define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
/*
- * ACPI Table information. We save the table address, length,
- * and type of memory allocation (mapped or allocated) for each
- * table for 1) when we exit, and 2) if a new table is installed
+ * Internal table-related structures
*/
-#define ACPI_MEM_NOT_ALLOCATED 0
-#define ACPI_MEM_ALLOCATED 1
-#define ACPI_MEM_MAPPED 2
-
-/* Definitions for the Flags bitfield member of struct acpi_table_support */
-
-#define ACPI_TABLE_SINGLE 0x00
-#define ACPI_TABLE_MULTIPLE 0x01
-#define ACPI_TABLE_EXECUTABLE 0x02
-
-#define ACPI_TABLE_ROOT 0x00
-#define ACPI_TABLE_PRIMARY 0x10
-#define ACPI_TABLE_SECONDARY 0x20
-#define ACPI_TABLE_ALL 0x30
-#define ACPI_TABLE_TYPE_MASK 0x30
-
-/* Data about each known table type */
-
-struct acpi_table_support
-{
- char *name;
- char *signature;
- void **global_ptr;
- u8 sig_length;
- u8 flags;
+union acpi_name_union {
+ u32 integer;
+ char ascii[4];
};
+/* Internal ACPI Table Descriptor. One per ACPI table. */
-/*
- * Get the ACPI version-specific tables
- */
-#include "actbl1.h" /* Acpi 1.0 table definitions */
-#include "actbl2.h" /* Acpi 2.0 table definitions */
+struct acpi_table_desc {
+ acpi_physical_address address;
+ struct acpi_table_header *pointer;
+ u32 length; /* Length fixed at 32 bits */
+ union acpi_name_union signature;
+ acpi_owner_id owner_id;
+ u8 flags;
+};
-extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1,
- * needed for certain workarounds */
+/* Masks for Flags field above */
+
+#define ACPI_TABLE_ORIGIN_UNKNOWN (0)
+#define ACPI_TABLE_ORIGIN_MAPPED (1)
+#define ACPI_TABLE_ORIGIN_ALLOCATED (2)
+#define ACPI_TABLE_ORIGIN_OVERRIDE (4)
+#define ACPI_TABLE_ORIGIN_MASK (7)
+#define ACPI_TABLE_IS_LOADED (8)
-#pragma pack(1)
/*
- * High performance timer
+ * Get the remaining ACPI tables
*/
-struct hpet_table
-{
- ACPI_TABLE_HEADER_DEF
- u32 hardware_id;
- struct acpi_generic_address base_address;
- u8 hpet_number;
- u16 clock_tick;
- u8 attributes;
-};
-#pragma pack()
+#include <acpi/actbl1.h>
+#include <acpi/actbl2.h>
-#endif /* __ACTBL_H__ */
+#endif /* __ACTBL_H__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff