| /****************************************************************************** |
| * |
| * Name: actbl.h - Table data structures defined in ACPI specification |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2006, R. Byron Moore |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #ifndef __ACTBL_H__ |
| #define __ACTBL_H__ |
| |
| /* |
| * 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. |
| */ |
| |
| /* |
| * Values for description table header signatures |
| */ |
| #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 */ |
| |
| /* |
| * Common table types. The base code can remain |
| * constant if the underlying tables are changed |
| */ |
| #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. |
| */ |
| struct rsdp_descriptor { /* Root System Descriptor Pointer */ |
| char signature[8]; /* ACPI signature, contains "RSD PTR " */ |
| u8 checksum; /* ACPI 1.0 checksum */ |
| char oem_id[6]; /* 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; /* XSDT Length in bytes, including header */ |
| u64 xsdt_physical_address; /* 64-bit physical address of the XSDT */ |
| u8 extended_checksum; /* Checksum of entire table (ACPI 2.0) */ |
| char reserved[3]; /* Reserved, must be zero */ |
| }; |
| |
| struct acpi_common_facs { /* Common FACS for internal use */ |
| u32 *global_lock; |
| u64 *firmware_waking_vector; |
| u8 vector_width; |
| }; |
| |
| #define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \ |
| char signature[4]; /* 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[6]; /* ASCII OEM identification */\ |
| char oem_table_id[8]; /* ASCII OEM table identification */\ |
| u32 oem_revision; /* OEM revision number */\ |
| char asl_compiler_id [4]; /* ASCII ASL compiler vendor ID */\ |
| u32 asl_compiler_revision; /* ASL compiler version */ |
| |
| struct acpi_table_header { /* ACPI common table header */ |
| ACPI_TABLE_HEADER_DEF}; |
| |
| /* |
| * 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 */ |
| |
| /* Flags (32 bits) */ |
| |
| u8 PCATcompat:1; /* 00: System also has dual 8259s */ |
| u8:7; /* 01-07: Reserved, must be zero */ |
| u8 reserved1[3]; /* 08-31: 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 */ |
| |
| /* |
| * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) |
| */ |
| #define APIC_HEADER_DEF /* Common APIC sub-structure header */\ |
| u8 type; \ |
| u8 length; |
| |
| struct apic_header { |
| APIC_HEADER_DEF}; |
| |
| /* 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 (16 bits each) */ |
| |
| #define MPS_INTI_FLAGS \ |
| u8 polarity : 2; /* 00-01: Polarity of APIC I/O input signals */\ |
| u8 trigger_mode : 2; /* 02-03: Trigger mode of APIC input signals */\ |
| u8 : 4; /* 04-07: Reserved, must be zero */\ |
| u8 reserved1; /* 08-15: Reserved, must be zero */ |
| |
| #define LOCAL_APIC_FLAGS \ |
| u8 processor_enabled: 1; /* 00: Processor is usable if set */\ |
| u8 : 7; /* 01-07: Reserved, must be zero */\ |
| u8 reserved2; /* 08-15: 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 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 */ |
| }; |
| |
| struct madt_interrupt_override { |
| APIC_HEADER_DEF u8 bus; /* 0 - ISA */ |
| u8 source; /* Interrupt source (IRQ) */ |
| u32 interrupt; /* Global system interrupt */ |
| MPS_INTI_FLAGS}; |
| |
| struct madt_nmi_source { |
| APIC_HEADER_DEF MPS_INTI_FLAGS u32 interrupt; /* Global system interrupt */ |
| }; |
| |
| 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 */ |
| }; |
| |
| struct madt_address_override { |
| APIC_HEADER_DEF u16 reserved; /* Reserved, must be zero */ |
| u64 address; /* APIC physical address */ |
| }; |
| |
| 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 */ |
| }; |
| |
| 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 */ |
| }; |
| |
| 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 */ |
| }; |
| |
| /* |
| * Smart Battery |
| */ |
| struct smart_battery_table { |
| ACPI_TABLE_HEADER_DEF u32 warning_level; |
| u32 low_level; |
| u32 critical_level; |
| }; |
| |
| #pragma pack() |
| |
| /* |
| * 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 |
| */ |
| #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; |
| }; |
| |
| /* |
| * Get the ACPI version-specific tables |
| */ |
| #include "actbl1.h" /* Acpi 1.0 table definitions */ |
| #include "actbl2.h" /* Acpi 2.0 table definitions */ |
| |
| extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1, |
| * needed for certain workarounds */ |
| |
| #pragma pack(1) |
| /* |
| * High performance timer |
| */ |
| 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() |
| |
| #endif /* __ACTBL_H__ */ |