*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#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 */
-
+#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
#define FACS_DESCRIPTOR struct facs_descriptor_rev2
#define FADT_DESCRIPTOR struct fadt_descriptor_rev2
-
#pragma pack(1)
/*
* 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; /* 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 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;
+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]; /* ACPI signature (4 ASCII characters) */\
- u32 length; /* Length of table, in bytes, including 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]; /* OEM identification */\
- char oem_table_id [8]; /* OEM table identification */\
+ 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]; /* ASL compiler vendor ID */\
- u32 asl_compiler_revision; /* ASL compiler revision number */
-
-
-struct acpi_table_header /* ACPI common table header */
-{
- ACPI_TABLE_HEADER_DEF
-};
+ 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
#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;
-};
+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_IO_SAPIC 6
#define APIC_LOCAL_SAPIC 7
#define APIC_XRUPT_SOURCE 8
-#define APIC_RESERVED 9 /* 9 and greater are reserved */
+#define APIC_RESERVED 9 /* 9 and greater are reserved */
/*
* MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
u8 type; \
u8 length;
-struct apic_header
-{
- APIC_HEADER_DEF
-};
+struct apic_header {
+APIC_HEADER_DEF};
/* Values for MPS INTI flags */
#define TRIGGER_RESERVED 2
#define TRIGGER_LEVEL 3
-/* Common flag definitions */
+/* Common flag definitions (16 bits each) */
#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 */
+ 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 \
- u32 processor_enabled: 1; /* Processor is usable if set */\
- u32 reserved2 : 31; /* Reserved, must be zero */
+ 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_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_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_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_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_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_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_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_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 */
};
-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;
+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
/* Data about each known table type */
-struct acpi_table_support
-{
- char *name;
- char *signature;
- void **global_ptr;
- u8 sig_length;
- u8 flags;
+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 */
+#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 */
+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;
+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__ */
+#endif /* __ACTBL_H__ */
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