acpi.h
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上传日期:2009-04-28
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- /*
- * acpi.h - ACPI Interface
- *
- * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
- #ifndef _LINUX_ACPI_H
- #define _LINUX_ACPI_H
- #include <linux/config.h>
- #ifdef CONFIG_ACPI
- #ifndef _LINUX
- #define _LINUX
- #endif
- #include <linux/list.h>
- #include <acpi/acpi.h>
- #include <acpi/acpi_bus.h>
- #include <acpi/acpi_drivers.h>
- #include <asm/acpi.h>
- #ifdef CONFIG_ACPI
- enum acpi_irq_model_id {
- ACPI_IRQ_MODEL_PIC = 0,
- ACPI_IRQ_MODEL_IOAPIC,
- ACPI_IRQ_MODEL_IOSAPIC,
- ACPI_IRQ_MODEL_COUNT
- };
- extern enum acpi_irq_model_id acpi_irq_model;
- /* Root System Description Pointer (RSDP) */
- struct acpi_table_rsdp {
- char signature[8];
- u8 checksum;
- char oem_id[6];
- u8 revision;
- u32 rsdt_address;
- } __attribute__ ((packed));
- struct acpi20_table_rsdp {
- char signature[8];
- u8 checksum;
- char oem_id[6];
- u8 revision;
- u32 rsdt_address;
- u32 length;
- u64 xsdt_address;
- u8 ext_checksum;
- u8 reserved[3];
- } __attribute__ ((packed));
- typedef struct {
- u8 type;
- u8 length;
- } __attribute__ ((packed)) acpi_table_entry_header;
- /* Root System Description Table (RSDT) */
- struct acpi_table_rsdt {
- struct acpi_table_header header;
- u32 entry[8];
- } __attribute__ ((packed));
- /* Extended System Description Table (XSDT) */
- struct acpi_table_xsdt {
- struct acpi_table_header header;
- u64 entry[1];
- } __attribute__ ((packed));
- /* Fixed ACPI Description Table (FADT) */
- struct acpi_table_fadt {
- struct acpi_table_header header;
- u32 facs_addr;
- u32 dsdt_addr;
- /* ... */
- } __attribute__ ((packed));
- /* Multiple APIC Description Table (MADT) */
- struct acpi_table_madt {
- struct acpi_table_header header;
- u32 lapic_address;
- struct {
- u32 pcat_compat:1;
- u32 reserved:31;
- } flags;
- } __attribute__ ((packed));
- enum acpi_madt_entry_id {
- ACPI_MADT_LAPIC = 0,
- ACPI_MADT_IOAPIC,
- ACPI_MADT_INT_SRC_OVR,
- ACPI_MADT_NMI_SRC,
- ACPI_MADT_LAPIC_NMI,
- ACPI_MADT_LAPIC_ADDR_OVR,
- ACPI_MADT_IOSAPIC,
- ACPI_MADT_LSAPIC,
- ACPI_MADT_PLAT_INT_SRC,
- ACPI_MADT_ENTRY_COUNT
- };
- typedef struct {
- u16 polarity:2;
- u16 trigger:2;
- u16 reserved:12;
- } __attribute__ ((packed)) acpi_interrupt_flags;
- struct acpi_table_lapic {
- acpi_table_entry_header header;
- u8 acpi_id;
- u8 id;
- struct {
- u32 enabled:1;
- u32 reserved:31;
- } flags;
- } __attribute__ ((packed));
- struct acpi_table_ioapic {
- acpi_table_entry_header header;
- u8 id;
- u8 reserved;
- u32 address;
- u32 global_irq_base;
- } __attribute__ ((packed));
- struct acpi_table_int_src_ovr {
- acpi_table_entry_header header;
- u8 bus;
- u8 bus_irq;
- u32 global_irq;
- acpi_interrupt_flags flags;
- } __attribute__ ((packed));
- struct acpi_table_nmi_src {
- acpi_table_entry_header header;
- acpi_interrupt_flags flags;
- u32 global_irq;
- } __attribute__ ((packed));
- struct acpi_table_lapic_nmi {
- acpi_table_entry_header header;
- u8 acpi_id;
- acpi_interrupt_flags flags;
- u8 lint;
- } __attribute__ ((packed));
- struct acpi_table_lapic_addr_ovr {
- acpi_table_entry_header header;
- u8 reserved[2];
- u64 address;
- } __attribute__ ((packed));
- struct acpi_table_iosapic {
- acpi_table_entry_header header;
- u8 id;
- u8 reserved;
- u32 global_irq_base;
- u64 address;
- } __attribute__ ((packed));
- struct acpi_table_lsapic {
- acpi_table_entry_header header;
- u8 acpi_id;
- u8 id;
- u8 eid;
- u8 reserved[3];
- struct {
- u32 enabled:1;
- u32 reserved:31;
- } flags;
- } __attribute__ ((packed));
- struct acpi_table_plat_int_src {
- acpi_table_entry_header header;
- acpi_interrupt_flags flags;
- u8 type; /* See acpi_interrupt_type */
- u8 id;
- u8 eid;
- u8 iosapic_vector;
- u32 global_irq;
- struct {
- u32 cpei_override_flag:1;
- u32 reserved:31;
- } plint_flags;
- } __attribute__ ((packed));
- enum acpi_interrupt_id {
- ACPI_INTERRUPT_PMI = 1,
- ACPI_INTERRUPT_INIT,
- ACPI_INTERRUPT_CPEI,
- ACPI_INTERRUPT_COUNT
- };
- #define ACPI_SPACE_MEM 0
- struct acpi_gen_regaddr {
- u8 space_id;
- u8 bit_width;
- u8 bit_offset;
- u8 resv;
- u32 addrl;
- u32 addrh;
- } __attribute__ ((packed));
- struct acpi_table_hpet {
- struct acpi_table_header header;
- u32 id;
- struct acpi_gen_regaddr addr;
- u8 number;
- u16 min_tick;
- u8 page_protect;
- } __attribute__ ((packed));
- /*
- * Simple Boot Flags
- * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
- */
- struct acpi_table_sbf
- {
- u8 sbf_signature[4];
- u32 sbf_len;
- u8 sbf_revision;
- u8 sbf_csum;
- u8 sbf_oemid[6];
- u8 sbf_oemtable[8];
- u8 sbf_revdata[4];
- u8 sbf_creator[4];
- u8 sbf_crearev[4];
- u8 sbf_cmos;
- u8 sbf_spare[3];
- } __attribute__ ((packed));
- /*
- * System Resource Affinity Table (SRAT)
- * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
- */
- struct acpi_table_srat {
- struct acpi_table_header header;
- u32 table_revision;
- u64 reserved;
- } __attribute__ ((packed));
- enum acpi_srat_entry_id {
- ACPI_SRAT_PROCESSOR_AFFINITY = 0,
- ACPI_SRAT_MEMORY_AFFINITY,
- ACPI_SRAT_ENTRY_COUNT
- };
- struct acpi_table_processor_affinity {
- acpi_table_entry_header header;
- u8 proximity_domain;
- u8 apic_id;
- struct {
- u32 enabled:1;
- u32 reserved:31;
- } flags;
- u8 lsapic_eid;
- u8 reserved[7];
- } __attribute__ ((packed));
- struct acpi_table_memory_affinity {
- acpi_table_entry_header header;
- u8 proximity_domain;
- u8 reserved1[5];
- u32 base_addr_lo;
- u32 base_addr_hi;
- u32 length_lo;
- u32 length_hi;
- u32 memory_type; /* See acpi_address_range_id */
- struct {
- u32 enabled:1;
- u32 hot_pluggable:1;
- u32 reserved:30;
- } flags;
- u64 reserved2;
- } __attribute__ ((packed));
- enum acpi_address_range_id {
- ACPI_ADDRESS_RANGE_MEMORY = 1,
- ACPI_ADDRESS_RANGE_RESERVED = 2,
- ACPI_ADDRESS_RANGE_ACPI = 3,
- ACPI_ADDRESS_RANGE_NVS = 4,
- ACPI_ADDRESS_RANGE_COUNT
- };
- /*
- * System Locality Information Table (SLIT)
- * see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
- */
- struct acpi_table_slit {
- struct acpi_table_header header;
- u64 localities;
- u8 entry[1]; /* real size = localities^2 */
- } __attribute__ ((packed));
- /* Smart Battery Description Table (SBST) */
- struct acpi_table_sbst {
- struct acpi_table_header header;
- u32 warning; /* Warn user */
- u32 low; /* Critical sleep */
- u32 critical; /* Critical shutdown */
- } __attribute__ ((packed));
- /* Embedded Controller Boot Resources Table (ECDT) */
- struct acpi_table_ecdt {
- struct acpi_table_header header;
- struct acpi_generic_address ec_control;
- struct acpi_generic_address ec_data;
- u32 uid;
- u8 gpe_bit;
- char ec_id[0];
- } __attribute__ ((packed));
- /* PCI MMCONFIG */
- /* Defined in PCI Firmware Specification 3.0 */
- struct acpi_table_mcfg_config {
- u32 base_address;
- u32 base_reserved;
- u16 pci_segment_group_number;
- u8 start_bus_number;
- u8 end_bus_number;
- u8 reserved[4];
- } __attribute__ ((packed));
- struct acpi_table_mcfg {
- struct acpi_table_header header;
- u8 reserved[8];
- struct acpi_table_mcfg_config config[0];
- } __attribute__ ((packed));
- /* Table Handlers */
- enum acpi_table_id {
- ACPI_TABLE_UNKNOWN = 0,
- ACPI_APIC,
- ACPI_BOOT,
- ACPI_DBGP,
- ACPI_DSDT,
- ACPI_ECDT,
- ACPI_ETDT,
- ACPI_FADT,
- ACPI_FACS,
- ACPI_OEMX,
- ACPI_PSDT,
- ACPI_SBST,
- ACPI_SLIT,
- ACPI_SPCR,
- ACPI_SRAT,
- ACPI_SSDT,
- ACPI_SPMI,
- ACPI_HPET,
- ACPI_MCFG,
- ACPI_TABLE_COUNT
- };
- typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
- extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
- typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header, const unsigned long end);
- char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
- unsigned long acpi_find_rsdp (void);
- int acpi_boot_init (void);
- int acpi_boot_table_init (void);
- int acpi_numa_init (void);
- int acpi_table_init (void);
- int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
- int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
- int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
- int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
- int acpi_parse_mcfg (unsigned long phys_addr, unsigned long size);
- void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
- void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
- void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
- /* the following four functions are architecture-dependent */
- void acpi_numa_slit_init (struct acpi_table_slit *slit);
- void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
- void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
- void acpi_numa_arch_fixup(void);
- #ifdef CONFIG_ACPI_HOTPLUG_CPU
- /* Arch dependent functions for cpu hotplug support */
- int acpi_map_lsapic(acpi_handle handle, int *pcpu);
- int acpi_unmap_lsapic(int cpu);
- #endif /* CONFIG_ACPI_HOTPLUG_CPU */
- int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
- int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
- extern int acpi_mp_config;
- extern struct acpi_table_mcfg_config *pci_mmcfg_config;
- extern int pci_mmcfg_config_num;
- extern int sbf_port ;
- #else /* !CONFIG_ACPI */
- #define acpi_mp_config 0
- #endif /* !CONFIG_ACPI */
- int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
- int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
- /*
- * This function undoes the effect of one call to acpi_register_gsi().
- * If this matches the last registration, any IRQ resources for gsi
- * are freed.
- */
- void acpi_unregister_gsi (u32 gsi);
- #ifdef CONFIG_ACPI
- struct acpi_prt_entry {
- struct list_head node;
- struct acpi_pci_id id;
- u8 pin;
- struct {
- acpi_handle handle;
- u32 index;
- } link;
- u32 irq;
- };
- struct acpi_prt_list {
- int count;
- struct list_head entries;
- };
- struct pci_dev;
- int acpi_pci_irq_enable (struct pci_dev *dev);
- void acpi_penalize_isa_irq(int irq, int active);
- void acpi_pci_irq_disable (struct pci_dev *dev);
- struct acpi_pci_driver {
- struct acpi_pci_driver *next;
- int (*add)(acpi_handle handle);
- void (*remove)(acpi_handle handle);
- };
- int acpi_pci_register_driver(struct acpi_pci_driver *driver);
- void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
- #endif /* CONFIG_ACPI */
- #ifdef CONFIG_ACPI_EC
- extern int ec_read(u8 addr, u8 *val);
- extern int ec_write(u8 addr, u8 val);
- #endif /*CONFIG_ACPI_EC*/
- extern int acpi_blacklisted(void);
- extern void acpi_bios_year(char *s);
- #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
- #ifdef CONFIG_ACPI
- /*
- * Set highest legal C-state
- * 0: C0 okay, but not C1
- * 1: C1 okay, but not C2
- * 2: C2 okay, but not C3 etc.
- */
- extern unsigned int max_cstate;
- static inline unsigned int acpi_get_cstate_limit(void)
- {
- return max_cstate;
- }
- static inline void acpi_set_cstate_limit(unsigned int new_limit)
- {
- max_cstate = new_limit;
- return;
- }
- #else
- static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
- static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
- #endif
- #ifdef CONFIG_ACPI_NUMA
- int acpi_get_pxm(acpi_handle handle);
- #else
- static inline int acpi_get_pxm(acpi_handle handle)
- {
- return 0;
- }
- #endif
- extern int pnpacpi_disabled;
- #else /* CONFIG_ACPI */
- static inline int acpi_boot_init(void)
- {
- return 0;
- }
- static inline int acpi_boot_table_init(void)
- {
- return 0;
- }
- #endif /* CONFIG_ACPI */
- #endif /*_LINUX_ACPI_H*/