317 lines
11 KiB
C
317 lines
11 KiB
C
/******************************************************************************
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*
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* Name: actbl.h - Table data structures defined in ACPI specification
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2006, R. Byron Moore
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACTBL_H__
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#define __ACTBL_H__
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/*
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* Note about bitfields: The u8 type is used for bitfields in ACPI tables.
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* This is the only type that is even remotely portable. Anything else is not
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* portable, so do not use any other bitfield types.
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*/
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/*
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* Values for description table header signatures
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*/
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#define RSDP_NAME "RSDP"
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#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
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#define APIC_SIG "APIC" /* Multiple APIC Description Table */
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#define DSDT_SIG "DSDT" /* Differentiated System Description Table */
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#define FADT_SIG "FACP" /* Fixed ACPI Description Table */
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#define FACS_SIG "FACS" /* Firmware ACPI Control Structure */
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#define PSDT_SIG "PSDT" /* Persistent System Description Table */
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#define RSDT_SIG "RSDT" /* Root System Description Table */
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#define XSDT_SIG "XSDT" /* Extended System Description Table */
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#define SSDT_SIG "SSDT" /* Secondary System Description Table */
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#define SBST_SIG "SBST" /* Smart Battery Specification Table */
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#define SPIC_SIG "SPIC" /* IOSAPIC table */
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#define BOOT_SIG "BOOT" /* Boot table */
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#define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */
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/*
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* Common table types. The base code can remain
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* constant if the underlying tables are changed
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*/
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#define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2
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#define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2
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#define FACS_DESCRIPTOR struct facs_descriptor_rev2
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#define FADT_DESCRIPTOR struct fadt_descriptor_rev2
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#pragma pack(1)
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/*
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* ACPI Version-independent tables
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*
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* NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
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* are in separate files.
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*/
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struct rsdp_descriptor { /* Root System Descriptor Pointer */
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char signature[8]; /* ACPI signature, contains "RSD PTR " */
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u8 checksum; /* ACPI 1.0 checksum */
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char oem_id[6]; /* OEM identification */
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u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
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u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
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u32 length; /* XSDT Length in bytes, including header */
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u64 xsdt_physical_address; /* 64-bit physical address of the XSDT */
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u8 extended_checksum; /* Checksum of entire table (ACPI 2.0) */
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char reserved[3]; /* Reserved, must be zero */
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};
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struct acpi_common_facs { /* Common FACS for internal use */
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u32 *global_lock;
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u64 *firmware_waking_vector;
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u8 vector_width;
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};
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#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
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char signature[4]; /* ASCII table signature */\
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u32 length; /* Length of table in bytes, including this header */\
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u8 revision; /* ACPI Specification minor version # */\
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u8 checksum; /* To make sum of entire table == 0 */\
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char oem_id[6]; /* ASCII OEM identification */\
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char oem_table_id[8]; /* ASCII OEM table identification */\
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u32 oem_revision; /* OEM revision number */\
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char asl_compiler_id [4]; /* ASCII ASL compiler vendor ID */\
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u32 asl_compiler_revision; /* ASL compiler version */
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struct acpi_table_header { /* ACPI common table header */
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ACPI_TABLE_HEADER_DEF};
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/*
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* MADT values and structures
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*/
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/* Values for MADT PCATCompat */
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#define DUAL_PIC 0
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#define MULTIPLE_APIC 1
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/* Master MADT */
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struct multiple_apic_table {
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ACPI_TABLE_HEADER_DEF /* ACPI common table header */
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u32 local_apic_address; /* Physical address of local APIC */
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/* Flags (32 bits) */
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u8 PCATcompat:1; /* 00: System also has dual 8259s */
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u8:7; /* 01-07: Reserved, must be zero */
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u8 reserved1[3]; /* 08-31: Reserved, must be zero */
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};
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/* Values for Type in APIC_HEADER_DEF */
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#define APIC_PROCESSOR 0
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#define APIC_IO 1
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#define APIC_XRUPT_OVERRIDE 2
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#define APIC_NMI 3
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#define APIC_LOCAL_NMI 4
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#define APIC_ADDRESS_OVERRIDE 5
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#define APIC_IO_SAPIC 6
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#define APIC_LOCAL_SAPIC 7
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#define APIC_XRUPT_SOURCE 8
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#define APIC_RESERVED 9 /* 9 and greater are reserved */
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/*
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* MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
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*/
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#define APIC_HEADER_DEF /* Common APIC sub-structure header */\
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u8 type; \
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u8 length;
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struct apic_header {
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APIC_HEADER_DEF};
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/* Values for MPS INTI flags */
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#define POLARITY_CONFORMS 0
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#define POLARITY_ACTIVE_HIGH 1
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#define POLARITY_RESERVED 2
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#define POLARITY_ACTIVE_LOW 3
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#define TRIGGER_CONFORMS 0
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#define TRIGGER_EDGE 1
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#define TRIGGER_RESERVED 2
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#define TRIGGER_LEVEL 3
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/* Common flag definitions (16 bits each) */
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#define MPS_INTI_FLAGS \
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u8 polarity : 2; /* 00-01: Polarity of APIC I/O input signals */\
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u8 trigger_mode : 2; /* 02-03: Trigger mode of APIC input signals */\
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u8 : 4; /* 04-07: Reserved, must be zero */\
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u8 reserved1; /* 08-15: Reserved, must be zero */
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#define LOCAL_APIC_FLAGS \
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u8 processor_enabled: 1; /* 00: Processor is usable if set */\
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u8 : 7; /* 01-07: Reserved, must be zero */\
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u8 reserved2; /* 08-15: Reserved, must be zero */
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/* Sub-structures for MADT */
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struct madt_processor_apic {
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APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
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u8 local_apic_id; /* Processor's local APIC id */
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LOCAL_APIC_FLAGS};
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struct madt_io_apic {
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APIC_HEADER_DEF u8 io_apic_id; /* I/O APIC ID */
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u8 reserved; /* Reserved - must be zero */
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u32 address; /* APIC physical address */
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u32 interrupt; /* Global system interrupt where INTI
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* lines start */
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};
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struct madt_interrupt_override {
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APIC_HEADER_DEF u8 bus; /* 0 - ISA */
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u8 source; /* Interrupt source (IRQ) */
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u32 interrupt; /* Global system interrupt */
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MPS_INTI_FLAGS};
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struct madt_nmi_source {
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APIC_HEADER_DEF MPS_INTI_FLAGS u32 interrupt; /* Global system interrupt */
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};
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struct madt_local_apic_nmi {
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APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
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MPS_INTI_FLAGS u8 lint; /* LINTn to which NMI is connected */
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};
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struct madt_address_override {
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APIC_HEADER_DEF u16 reserved; /* Reserved, must be zero */
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u64 address; /* APIC physical address */
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};
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struct madt_io_sapic {
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APIC_HEADER_DEF u8 io_sapic_id; /* I/O SAPIC ID */
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u8 reserved; /* Reserved, must be zero */
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u32 interrupt_base; /* Glocal interrupt for SAPIC start */
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u64 address; /* SAPIC physical address */
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};
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struct madt_local_sapic {
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APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
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u8 local_sapic_id; /* SAPIC ID */
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u8 local_sapic_eid; /* SAPIC EID */
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u8 reserved[3]; /* Reserved, must be zero */
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LOCAL_APIC_FLAGS u32 processor_uID; /* Numeric UID - ACPI 3.0 */
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char processor_uIDstring[1]; /* String UID - ACPI 3.0 */
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};
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struct madt_interrupt_source {
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APIC_HEADER_DEF MPS_INTI_FLAGS u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */
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u8 processor_id; /* Processor ID */
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u8 processor_eid; /* Processor EID */
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u8 io_sapic_vector; /* Vector value for PMI interrupts */
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u32 interrupt; /* Global system interrupt */
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u32 flags; /* Interrupt Source Flags */
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};
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/*
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* Smart Battery
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*/
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struct smart_battery_table {
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ACPI_TABLE_HEADER_DEF u32 warning_level;
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u32 low_level;
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u32 critical_level;
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};
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#pragma pack()
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/*
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* ACPI Table information. We save the table address, length,
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* and type of memory allocation (mapped or allocated) for each
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* table for 1) when we exit, and 2) if a new table is installed
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*/
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#define ACPI_MEM_NOT_ALLOCATED 0
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#define ACPI_MEM_ALLOCATED 1
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#define ACPI_MEM_MAPPED 2
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/* Definitions for the Flags bitfield member of struct acpi_table_support */
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#define ACPI_TABLE_SINGLE 0x00
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#define ACPI_TABLE_MULTIPLE 0x01
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#define ACPI_TABLE_EXECUTABLE 0x02
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#define ACPI_TABLE_ROOT 0x00
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#define ACPI_TABLE_PRIMARY 0x10
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#define ACPI_TABLE_SECONDARY 0x20
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#define ACPI_TABLE_ALL 0x30
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#define ACPI_TABLE_TYPE_MASK 0x30
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/* Data about each known table type */
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struct acpi_table_support {
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char *name;
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char *signature;
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void **global_ptr;
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u8 sig_length;
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u8 flags;
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};
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/*
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* Get the ACPI version-specific tables
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*/
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#include "actbl1.h" /* Acpi 1.0 table definitions */
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#include "actbl2.h" /* Acpi 2.0 table definitions */
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extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1,
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* needed for certain workarounds */
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#pragma pack(1)
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/*
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* High performance timer
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*/
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struct hpet_table {
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ACPI_TABLE_HEADER_DEF u32 hardware_id;
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struct acpi_generic_address base_address;
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u8 hpet_number;
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u16 clock_tick;
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u8 attributes;
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};
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#pragma pack()
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#endif /* __ACTBL_H__ */
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