| #ifndef _LINUX_EFI_H |
| #define _LINUX_EFI_H |
| |
| /* |
| * Extensible Firmware Interface |
| * Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999 |
| * |
| * Copyright (C) 1999 VA Linux Systems |
| * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> |
| * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. |
| * David Mosberger-Tang <davidm@hpl.hp.com> |
| * Stephane Eranian <eranian@hpl.hp.com> |
| */ |
| #include <linux/init.h> |
| #include <linux/string.h> |
| #include <linux/time.h> |
| #include <linux/types.h> |
| #include <linux/proc_fs.h> |
| #include <linux/rtc.h> |
| #include <linux/ioport.h> |
| #include <linux/pfn.h> |
| #include <linux/pstore.h> |
| #include <linux/reboot.h> |
| |
| #include <asm/page.h> |
| |
| #define EFI_SUCCESS 0 |
| #define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_NOT_READY ( 6 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_DEVICE_ERROR ( 7 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_WRITE_PROTECTED ( 8 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_OUT_OF_RESOURCES ( 9 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1))) |
| #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) |
| |
| typedef unsigned long efi_status_t; |
| typedef u8 efi_bool_t; |
| typedef u16 efi_char16_t; /* UNICODE character */ |
| typedef u64 efi_physical_addr_t; |
| typedef void *efi_handle_t; |
| |
| |
| typedef struct { |
| u8 b[16]; |
| } efi_guid_t; |
| |
| #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ |
| ((efi_guid_t) \ |
| {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ |
| (b) & 0xff, ((b) >> 8) & 0xff, \ |
| (c) & 0xff, ((c) >> 8) & 0xff, \ |
| (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) |
| |
| /* |
| * Generic EFI table header |
| */ |
| typedef struct { |
| u64 signature; |
| u32 revision; |
| u32 headersize; |
| u32 crc32; |
| u32 reserved; |
| } efi_table_hdr_t; |
| |
| /* |
| * Memory map descriptor: |
| */ |
| |
| /* Memory types: */ |
| #define EFI_RESERVED_TYPE 0 |
| #define EFI_LOADER_CODE 1 |
| #define EFI_LOADER_DATA 2 |
| #define EFI_BOOT_SERVICES_CODE 3 |
| #define EFI_BOOT_SERVICES_DATA 4 |
| #define EFI_RUNTIME_SERVICES_CODE 5 |
| #define EFI_RUNTIME_SERVICES_DATA 6 |
| #define EFI_CONVENTIONAL_MEMORY 7 |
| #define EFI_UNUSABLE_MEMORY 8 |
| #define EFI_ACPI_RECLAIM_MEMORY 9 |
| #define EFI_ACPI_MEMORY_NVS 10 |
| #define EFI_MEMORY_MAPPED_IO 11 |
| #define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12 |
| #define EFI_PAL_CODE 13 |
| #define EFI_PERSISTENT_MEMORY 14 |
| #define EFI_MAX_MEMORY_TYPE 15 |
| |
| /* Attribute values: */ |
| #define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */ |
| #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */ |
| #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */ |
| #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */ |
| #define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */ |
| #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */ |
| #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */ |
| #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */ |
| #define EFI_MEMORY_MORE_RELIABLE \ |
| ((u64)0x0000000000010000ULL) /* higher reliability */ |
| #define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */ |
| #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */ |
| #define EFI_MEMORY_DESCRIPTOR_VERSION 1 |
| |
| #define EFI_PAGE_SHIFT 12 |
| #define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT) |
| |
| typedef struct { |
| u32 type; |
| u32 pad; |
| u64 phys_addr; |
| u64 virt_addr; |
| u64 num_pages; |
| u64 attribute; |
| } efi_memory_desc_t; |
| |
| typedef struct { |
| efi_guid_t guid; |
| u32 headersize; |
| u32 flags; |
| u32 imagesize; |
| } efi_capsule_header_t; |
| |
| /* |
| * Allocation types for calls to boottime->allocate_pages. |
| */ |
| #define EFI_ALLOCATE_ANY_PAGES 0 |
| #define EFI_ALLOCATE_MAX_ADDRESS 1 |
| #define EFI_ALLOCATE_ADDRESS 2 |
| #define EFI_MAX_ALLOCATE_TYPE 3 |
| |
| typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg); |
| |
| /* |
| * Types and defines for Time Services |
| */ |
| #define EFI_TIME_ADJUST_DAYLIGHT 0x1 |
| #define EFI_TIME_IN_DAYLIGHT 0x2 |
| #define EFI_UNSPECIFIED_TIMEZONE 0x07ff |
| |
| typedef struct { |
| u16 year; |
| u8 month; |
| u8 day; |
| u8 hour; |
| u8 minute; |
| u8 second; |
| u8 pad1; |
| u32 nanosecond; |
| s16 timezone; |
| u8 daylight; |
| u8 pad2; |
| } efi_time_t; |
| |
| typedef struct { |
| u32 resolution; |
| u32 accuracy; |
| u8 sets_to_zero; |
| } efi_time_cap_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u32 raise_tpl; |
| u32 restore_tpl; |
| u32 allocate_pages; |
| u32 free_pages; |
| u32 get_memory_map; |
| u32 allocate_pool; |
| u32 free_pool; |
| u32 create_event; |
| u32 set_timer; |
| u32 wait_for_event; |
| u32 signal_event; |
| u32 close_event; |
| u32 check_event; |
| u32 install_protocol_interface; |
| u32 reinstall_protocol_interface; |
| u32 uninstall_protocol_interface; |
| u32 handle_protocol; |
| u32 __reserved; |
| u32 register_protocol_notify; |
| u32 locate_handle; |
| u32 locate_device_path; |
| u32 install_configuration_table; |
| u32 load_image; |
| u32 start_image; |
| u32 exit; |
| u32 unload_image; |
| u32 exit_boot_services; |
| u32 get_next_monotonic_count; |
| u32 stall; |
| u32 set_watchdog_timer; |
| u32 connect_controller; |
| u32 disconnect_controller; |
| u32 open_protocol; |
| u32 close_protocol; |
| u32 open_protocol_information; |
| u32 protocols_per_handle; |
| u32 locate_handle_buffer; |
| u32 locate_protocol; |
| u32 install_multiple_protocol_interfaces; |
| u32 uninstall_multiple_protocol_interfaces; |
| u32 calculate_crc32; |
| u32 copy_mem; |
| u32 set_mem; |
| u32 create_event_ex; |
| } __packed efi_boot_services_32_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u64 raise_tpl; |
| u64 restore_tpl; |
| u64 allocate_pages; |
| u64 free_pages; |
| u64 get_memory_map; |
| u64 allocate_pool; |
| u64 free_pool; |
| u64 create_event; |
| u64 set_timer; |
| u64 wait_for_event; |
| u64 signal_event; |
| u64 close_event; |
| u64 check_event; |
| u64 install_protocol_interface; |
| u64 reinstall_protocol_interface; |
| u64 uninstall_protocol_interface; |
| u64 handle_protocol; |
| u64 __reserved; |
| u64 register_protocol_notify; |
| u64 locate_handle; |
| u64 locate_device_path; |
| u64 install_configuration_table; |
| u64 load_image; |
| u64 start_image; |
| u64 exit; |
| u64 unload_image; |
| u64 exit_boot_services; |
| u64 get_next_monotonic_count; |
| u64 stall; |
| u64 set_watchdog_timer; |
| u64 connect_controller; |
| u64 disconnect_controller; |
| u64 open_protocol; |
| u64 close_protocol; |
| u64 open_protocol_information; |
| u64 protocols_per_handle; |
| u64 locate_handle_buffer; |
| u64 locate_protocol; |
| u64 install_multiple_protocol_interfaces; |
| u64 uninstall_multiple_protocol_interfaces; |
| u64 calculate_crc32; |
| u64 copy_mem; |
| u64 set_mem; |
| u64 create_event_ex; |
| } __packed efi_boot_services_64_t; |
| |
| /* |
| * EFI Boot Services table |
| */ |
| typedef struct { |
| efi_table_hdr_t hdr; |
| void *raise_tpl; |
| void *restore_tpl; |
| efi_status_t (*allocate_pages)(int, int, unsigned long, |
| efi_physical_addr_t *); |
| efi_status_t (*free_pages)(efi_physical_addr_t, unsigned long); |
| efi_status_t (*get_memory_map)(unsigned long *, void *, unsigned long *, |
| unsigned long *, u32 *); |
| efi_status_t (*allocate_pool)(int, unsigned long, void **); |
| efi_status_t (*free_pool)(void *); |
| void *create_event; |
| void *set_timer; |
| void *wait_for_event; |
| void *signal_event; |
| void *close_event; |
| void *check_event; |
| void *install_protocol_interface; |
| void *reinstall_protocol_interface; |
| void *uninstall_protocol_interface; |
| efi_status_t (*handle_protocol)(efi_handle_t, efi_guid_t *, void **); |
| void *__reserved; |
| void *register_protocol_notify; |
| void *locate_handle; |
| void *locate_device_path; |
| void *install_configuration_table; |
| void *load_image; |
| void *start_image; |
| void *exit; |
| void *unload_image; |
| efi_status_t (*exit_boot_services)(efi_handle_t, unsigned long); |
| void *get_next_monotonic_count; |
| void *stall; |
| void *set_watchdog_timer; |
| void *connect_controller; |
| void *disconnect_controller; |
| void *open_protocol; |
| void *close_protocol; |
| void *open_protocol_information; |
| void *protocols_per_handle; |
| void *locate_handle_buffer; |
| efi_status_t (*locate_protocol)(efi_guid_t *, void *, void **); |
| void *install_multiple_protocol_interfaces; |
| void *uninstall_multiple_protocol_interfaces; |
| void *calculate_crc32; |
| void *copy_mem; |
| void *set_mem; |
| void *create_event_ex; |
| } efi_boot_services_t; |
| |
| typedef enum { |
| EfiPciIoWidthUint8, |
| EfiPciIoWidthUint16, |
| EfiPciIoWidthUint32, |
| EfiPciIoWidthUint64, |
| EfiPciIoWidthFifoUint8, |
| EfiPciIoWidthFifoUint16, |
| EfiPciIoWidthFifoUint32, |
| EfiPciIoWidthFifoUint64, |
| EfiPciIoWidthFillUint8, |
| EfiPciIoWidthFillUint16, |
| EfiPciIoWidthFillUint32, |
| EfiPciIoWidthFillUint64, |
| EfiPciIoWidthMaximum |
| } EFI_PCI_IO_PROTOCOL_WIDTH; |
| |
| typedef enum { |
| EfiPciIoAttributeOperationGet, |
| EfiPciIoAttributeOperationSet, |
| EfiPciIoAttributeOperationEnable, |
| EfiPciIoAttributeOperationDisable, |
| EfiPciIoAttributeOperationSupported, |
| EfiPciIoAttributeOperationMaximum |
| } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; |
| |
| typedef struct { |
| u32 read; |
| u32 write; |
| } efi_pci_io_protocol_access_32_t; |
| |
| typedef struct { |
| u64 read; |
| u64 write; |
| } efi_pci_io_protocol_access_64_t; |
| |
| typedef struct { |
| void *read; |
| void *write; |
| } efi_pci_io_protocol_access_t; |
| |
| typedef struct { |
| u32 poll_mem; |
| u32 poll_io; |
| efi_pci_io_protocol_access_32_t mem; |
| efi_pci_io_protocol_access_32_t io; |
| efi_pci_io_protocol_access_32_t pci; |
| u32 copy_mem; |
| u32 map; |
| u32 unmap; |
| u32 allocate_buffer; |
| u32 free_buffer; |
| u32 flush; |
| u32 get_location; |
| u32 attributes; |
| u32 get_bar_attributes; |
| u32 set_bar_attributes; |
| uint64_t romsize; |
| void *romimage; |
| } efi_pci_io_protocol_32; |
| |
| typedef struct { |
| u64 poll_mem; |
| u64 poll_io; |
| efi_pci_io_protocol_access_64_t mem; |
| efi_pci_io_protocol_access_64_t io; |
| efi_pci_io_protocol_access_64_t pci; |
| u64 copy_mem; |
| u64 map; |
| u64 unmap; |
| u64 allocate_buffer; |
| u64 free_buffer; |
| u64 flush; |
| u64 get_location; |
| u64 attributes; |
| u64 get_bar_attributes; |
| u64 set_bar_attributes; |
| uint64_t romsize; |
| void *romimage; |
| } efi_pci_io_protocol_64; |
| |
| typedef struct { |
| void *poll_mem; |
| void *poll_io; |
| efi_pci_io_protocol_access_t mem; |
| efi_pci_io_protocol_access_t io; |
| efi_pci_io_protocol_access_t pci; |
| void *copy_mem; |
| void *map; |
| void *unmap; |
| void *allocate_buffer; |
| void *free_buffer; |
| void *flush; |
| void *get_location; |
| void *attributes; |
| void *get_bar_attributes; |
| void *set_bar_attributes; |
| uint64_t romsize; |
| void *romimage; |
| } efi_pci_io_protocol; |
| |
| #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 |
| #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 |
| #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 |
| #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 |
| #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 |
| #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 |
| #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 |
| #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 |
| #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 |
| #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 |
| #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 |
| #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 |
| #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 |
| #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 |
| #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 |
| #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 |
| #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 |
| #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 |
| #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 |
| |
| /* |
| * Types and defines for EFI ResetSystem |
| */ |
| #define EFI_RESET_COLD 0 |
| #define EFI_RESET_WARM 1 |
| #define EFI_RESET_SHUTDOWN 2 |
| |
| /* |
| * EFI Runtime Services table |
| */ |
| #define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL) |
| #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u32 get_time; |
| u32 set_time; |
| u32 get_wakeup_time; |
| u32 set_wakeup_time; |
| u32 set_virtual_address_map; |
| u32 convert_pointer; |
| u32 get_variable; |
| u32 get_next_variable; |
| u32 set_variable; |
| u32 get_next_high_mono_count; |
| u32 reset_system; |
| u32 update_capsule; |
| u32 query_capsule_caps; |
| u32 query_variable_info; |
| } efi_runtime_services_32_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u64 get_time; |
| u64 set_time; |
| u64 get_wakeup_time; |
| u64 set_wakeup_time; |
| u64 set_virtual_address_map; |
| u64 convert_pointer; |
| u64 get_variable; |
| u64 get_next_variable; |
| u64 set_variable; |
| u64 get_next_high_mono_count; |
| u64 reset_system; |
| u64 update_capsule; |
| u64 query_capsule_caps; |
| u64 query_variable_info; |
| } efi_runtime_services_64_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| void *get_time; |
| void *set_time; |
| void *get_wakeup_time; |
| void *set_wakeup_time; |
| void *set_virtual_address_map; |
| void *convert_pointer; |
| void *get_variable; |
| void *get_next_variable; |
| void *set_variable; |
| void *get_next_high_mono_count; |
| void *reset_system; |
| void *update_capsule; |
| void *query_capsule_caps; |
| void *query_variable_info; |
| } efi_runtime_services_t; |
| |
| typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); |
| typedef efi_status_t efi_set_time_t (efi_time_t *tm); |
| typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending, |
| efi_time_t *tm); |
| typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm); |
| typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, |
| unsigned long *data_size, void *data); |
| typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name, |
| efi_guid_t *vendor); |
| typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, |
| u32 attr, unsigned long data_size, |
| void *data); |
| typedef efi_status_t |
| efi_set_variable_nonblocking_t(efi_char16_t *name, efi_guid_t *vendor, |
| u32 attr, unsigned long data_size, void *data); |
| |
| typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count); |
| typedef void efi_reset_system_t (int reset_type, efi_status_t status, |
| unsigned long data_size, efi_char16_t *data); |
| typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, |
| unsigned long descriptor_size, |
| u32 descriptor_version, |
| efi_memory_desc_t *virtual_map); |
| typedef efi_status_t efi_query_variable_info_t(u32 attr, |
| u64 *storage_space, |
| u64 *remaining_space, |
| u64 *max_variable_size); |
| typedef efi_status_t efi_update_capsule_t(efi_capsule_header_t **capsules, |
| unsigned long count, |
| unsigned long sg_list); |
| typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules, |
| unsigned long count, |
| u64 *max_size, |
| int *reset_type); |
| typedef efi_status_t efi_query_variable_store_t(u32 attributes, unsigned long size); |
| |
| void efi_native_runtime_setup(void); |
| |
| /* |
| * EFI Configuration Table and GUID definitions |
| */ |
| #define NULL_GUID \ |
| EFI_GUID( 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ) |
| |
| #define MPS_TABLE_GUID \ |
| EFI_GUID( 0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) |
| |
| #define ACPI_TABLE_GUID \ |
| EFI_GUID( 0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) |
| |
| #define ACPI_20_TABLE_GUID \ |
| EFI_GUID( 0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 ) |
| |
| #define SMBIOS_TABLE_GUID \ |
| EFI_GUID( 0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) |
| |
| #define SMBIOS3_TABLE_GUID \ |
| EFI_GUID( 0xf2fd1544, 0x9794, 0x4a2c, 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94 ) |
| |
| #define SAL_SYSTEM_TABLE_GUID \ |
| EFI_GUID( 0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) |
| |
| #define HCDP_TABLE_GUID \ |
| EFI_GUID( 0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98 ) |
| |
| #define UGA_IO_PROTOCOL_GUID \ |
| EFI_GUID( 0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0xb, 0x7, 0xa2 ) |
| |
| #define EFI_GLOBAL_VARIABLE_GUID \ |
| EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c ) |
| |
| #define UV_SYSTEM_TABLE_GUID \ |
| EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 ) |
| |
| #define LINUX_EFI_CRASH_GUID \ |
| EFI_GUID( 0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0 ) |
| |
| #define LOADED_IMAGE_PROTOCOL_GUID \ |
| EFI_GUID( 0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) |
| |
| #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \ |
| EFI_GUID( 0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a ) |
| |
| #define EFI_UGA_PROTOCOL_GUID \ |
| EFI_GUID( 0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39 ) |
| |
| #define EFI_PCI_IO_PROTOCOL_GUID \ |
| EFI_GUID( 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a ) |
| |
| #define EFI_FILE_INFO_ID \ |
| EFI_GUID( 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) |
| |
| #define EFI_SYSTEM_RESOURCE_TABLE_GUID \ |
| EFI_GUID( 0xb122a263, 0x3661, 0x4f68, 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80 ) |
| |
| #define EFI_FILE_SYSTEM_GUID \ |
| EFI_GUID( 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) |
| |
| #define DEVICE_TREE_GUID \ |
| EFI_GUID( 0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0 ) |
| |
| #define EFI_PROPERTIES_TABLE_GUID \ |
| EFI_GUID( 0x880aaca3, 0x4adc, 0x4a04, 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5 ) |
| |
| #define EFI_RNG_PROTOCOL_GUID \ |
| EFI_GUID(0x3152bca5, 0xeade, 0x433d, \ |
| 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) |
| |
| typedef struct { |
| efi_guid_t guid; |
| u64 table; |
| } efi_config_table_64_t; |
| |
| typedef struct { |
| efi_guid_t guid; |
| u32 table; |
| } efi_config_table_32_t; |
| |
| typedef struct { |
| efi_guid_t guid; |
| unsigned long table; |
| } efi_config_table_t; |
| |
| typedef struct { |
| efi_guid_t guid; |
| const char *name; |
| unsigned long *ptr; |
| } efi_config_table_type_t; |
| |
| #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) |
| |
| #define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30)) |
| #define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20)) |
| #define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10)) |
| #define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00)) |
| #define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10)) |
| #define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02)) |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u64 fw_vendor; /* physical addr of CHAR16 vendor string */ |
| u32 fw_revision; |
| u32 __pad1; |
| u64 con_in_handle; |
| u64 con_in; |
| u64 con_out_handle; |
| u64 con_out; |
| u64 stderr_handle; |
| u64 stderr; |
| u64 runtime; |
| u64 boottime; |
| u32 nr_tables; |
| u32 __pad2; |
| u64 tables; |
| } efi_system_table_64_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u32 fw_vendor; /* physical addr of CHAR16 vendor string */ |
| u32 fw_revision; |
| u32 con_in_handle; |
| u32 con_in; |
| u32 con_out_handle; |
| u32 con_out; |
| u32 stderr_handle; |
| u32 stderr; |
| u32 runtime; |
| u32 boottime; |
| u32 nr_tables; |
| u32 tables; |
| } efi_system_table_32_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */ |
| u32 fw_revision; |
| unsigned long con_in_handle; |
| unsigned long con_in; |
| unsigned long con_out_handle; |
| unsigned long con_out; |
| unsigned long stderr_handle; |
| unsigned long stderr; |
| efi_runtime_services_t *runtime; |
| efi_boot_services_t *boottime; |
| unsigned long nr_tables; |
| unsigned long tables; |
| } efi_system_table_t; |
| |
| struct efi_memory_map { |
| phys_addr_t phys_map; |
| void *map; |
| void *map_end; |
| int nr_map; |
| unsigned long desc_version; |
| unsigned long desc_size; |
| }; |
| |
| struct efi_fdt_params { |
| u64 system_table; |
| u64 mmap; |
| u32 mmap_size; |
| u32 desc_size; |
| u32 desc_ver; |
| }; |
| |
| typedef struct { |
| u32 revision; |
| u32 parent_handle; |
| u32 system_table; |
| u32 device_handle; |
| u32 file_path; |
| u32 reserved; |
| u32 load_options_size; |
| u32 load_options; |
| u32 image_base; |
| __aligned_u64 image_size; |
| unsigned int image_code_type; |
| unsigned int image_data_type; |
| unsigned long unload; |
| } efi_loaded_image_32_t; |
| |
| typedef struct { |
| u32 revision; |
| u64 parent_handle; |
| u64 system_table; |
| u64 device_handle; |
| u64 file_path; |
| u64 reserved; |
| u32 load_options_size; |
| u64 load_options; |
| u64 image_base; |
| __aligned_u64 image_size; |
| unsigned int image_code_type; |
| unsigned int image_data_type; |
| unsigned long unload; |
| } efi_loaded_image_64_t; |
| |
| typedef struct { |
| u32 revision; |
| void *parent_handle; |
| efi_system_table_t *system_table; |
| void *device_handle; |
| void *file_path; |
| void *reserved; |
| u32 load_options_size; |
| void *load_options; |
| void *image_base; |
| __aligned_u64 image_size; |
| unsigned int image_code_type; |
| unsigned int image_data_type; |
| unsigned long unload; |
| } efi_loaded_image_t; |
| |
| |
| typedef struct { |
| u64 size; |
| u64 file_size; |
| u64 phys_size; |
| efi_time_t create_time; |
| efi_time_t last_access_time; |
| efi_time_t modification_time; |
| __aligned_u64 attribute; |
| efi_char16_t filename[1]; |
| } efi_file_info_t; |
| |
| typedef struct { |
| u64 revision; |
| u32 open; |
| u32 close; |
| u32 delete; |
| u32 read; |
| u32 write; |
| u32 get_position; |
| u32 set_position; |
| u32 get_info; |
| u32 set_info; |
| u32 flush; |
| } efi_file_handle_32_t; |
| |
| typedef struct { |
| u64 revision; |
| u64 open; |
| u64 close; |
| u64 delete; |
| u64 read; |
| u64 write; |
| u64 get_position; |
| u64 set_position; |
| u64 get_info; |
| u64 set_info; |
| u64 flush; |
| } efi_file_handle_64_t; |
| |
| typedef struct _efi_file_handle { |
| u64 revision; |
| efi_status_t (*open)(struct _efi_file_handle *, |
| struct _efi_file_handle **, |
| efi_char16_t *, u64, u64); |
| efi_status_t (*close)(struct _efi_file_handle *); |
| void *delete; |
| efi_status_t (*read)(struct _efi_file_handle *, unsigned long *, |
| void *); |
| void *write; |
| void *get_position; |
| void *set_position; |
| efi_status_t (*get_info)(struct _efi_file_handle *, efi_guid_t *, |
| unsigned long *, void *); |
| void *set_info; |
| void *flush; |
| } efi_file_handle_t; |
| |
| typedef struct _efi_file_io_interface { |
| u64 revision; |
| int (*open_volume)(struct _efi_file_io_interface *, |
| efi_file_handle_t **); |
| } efi_file_io_interface_t; |
| |
| #define EFI_FILE_MODE_READ 0x0000000000000001 |
| #define EFI_FILE_MODE_WRITE 0x0000000000000002 |
| #define EFI_FILE_MODE_CREATE 0x8000000000000000 |
| |
| typedef struct { |
| u32 version; |
| u32 length; |
| u64 memory_protection_attribute; |
| } efi_properties_table_t; |
| |
| #define EFI_PROPERTIES_TABLE_VERSION 0x00010000 |
| #define EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA 0x1 |
| |
| #define EFI_INVALID_TABLE_ADDR (~0UL) |
| |
| /* |
| * All runtime access to EFI goes through this structure: |
| */ |
| extern struct efi { |
| efi_system_table_t *systab; /* EFI system table */ |
| unsigned int runtime_version; /* Runtime services version */ |
| unsigned long mps; /* MPS table */ |
| unsigned long acpi; /* ACPI table (IA64 ext 0.71) */ |
| unsigned long acpi20; /* ACPI table (ACPI 2.0) */ |
| unsigned long smbios; /* SMBIOS table (32 bit entry point) */ |
| unsigned long smbios3; /* SMBIOS table (64 bit entry point) */ |
| unsigned long sal_systab; /* SAL system table */ |
| unsigned long boot_info; /* boot info table */ |
| unsigned long hcdp; /* HCDP table */ |
| unsigned long uga; /* UGA table */ |
| unsigned long uv_systab; /* UV system table */ |
| unsigned long fw_vendor; /* fw_vendor */ |
| unsigned long runtime; /* runtime table */ |
| unsigned long config_table; /* config tables */ |
| unsigned long esrt; /* ESRT table */ |
| unsigned long properties_table; /* properties table */ |
| efi_get_time_t *get_time; |
| efi_set_time_t *set_time; |
| efi_get_wakeup_time_t *get_wakeup_time; |
| efi_set_wakeup_time_t *set_wakeup_time; |
| efi_get_variable_t *get_variable; |
| efi_get_next_variable_t *get_next_variable; |
| efi_set_variable_t *set_variable; |
| efi_set_variable_nonblocking_t *set_variable_nonblocking; |
| efi_query_variable_info_t *query_variable_info; |
| efi_update_capsule_t *update_capsule; |
| efi_query_capsule_caps_t *query_capsule_caps; |
| efi_get_next_high_mono_count_t *get_next_high_mono_count; |
| efi_reset_system_t *reset_system; |
| efi_set_virtual_address_map_t *set_virtual_address_map; |
| struct efi_memory_map *memmap; |
| unsigned long flags; |
| } efi; |
| |
| static inline int |
| efi_guidcmp (efi_guid_t left, efi_guid_t right) |
| { |
| return memcmp(&left, &right, sizeof (efi_guid_t)); |
| } |
| |
| static inline char * |
| efi_guid_to_str(efi_guid_t *guid, char *out) |
| { |
| sprintf(out, "%pUl", guid->b); |
| return out; |
| } |
| |
| extern void efi_init (void); |
| extern void *efi_get_pal_addr (void); |
| extern void efi_map_pal_code (void); |
| extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); |
| extern void efi_gettimeofday (struct timespec *ts); |
| extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ |
| #ifdef CONFIG_X86 |
| extern void efi_late_init(void); |
| extern void efi_free_boot_services(void); |
| extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size); |
| extern void efi_find_mirror(void); |
| #else |
| static inline void efi_late_init(void) {} |
| static inline void efi_free_boot_services(void) {} |
| |
| static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size) |
| { |
| return EFI_SUCCESS; |
| } |
| #endif |
| extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr); |
| extern int efi_config_init(efi_config_table_type_t *arch_tables); |
| #ifdef CONFIG_EFI_ESRT |
| extern void __init efi_esrt_init(void); |
| #else |
| static inline void efi_esrt_init(void) { } |
| #endif |
| extern int efi_config_parse_tables(void *config_tables, int count, int sz, |
| efi_config_table_type_t *arch_tables); |
| extern u64 efi_get_iobase (void); |
| extern u32 efi_mem_type (unsigned long phys_addr); |
| extern u64 efi_mem_attributes (unsigned long phys_addr); |
| extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); |
| extern int __init efi_uart_console_only (void); |
| extern u64 efi_mem_desc_end(efi_memory_desc_t *md); |
| extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); |
| extern void efi_initialize_iomem_resources(struct resource *code_resource, |
| struct resource *data_resource, struct resource *bss_resource); |
| extern void efi_get_time(struct timespec *now); |
| extern void efi_reserve_boot_services(void); |
| extern int efi_get_fdt_params(struct efi_fdt_params *params); |
| extern struct efi_memory_map memmap; |
| extern struct kobject *efi_kobj; |
| |
| extern int efi_reboot_quirk_mode; |
| extern bool efi_poweroff_required(void); |
| |
| #ifdef CONFIG_EFI_FAKE_MEMMAP |
| extern void __init efi_fake_memmap(void); |
| #else |
| static inline void efi_fake_memmap(void) { } |
| #endif |
| |
| /* Iterate through an efi_memory_map */ |
| #define for_each_efi_memory_desc(m, md) \ |
| for ((md) = (m)->map; \ |
| (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \ |
| (md) = (void *)(md) + (m)->desc_size) |
| |
| /* |
| * Format an EFI memory descriptor's type and attributes to a user-provided |
| * character buffer, as per snprintf(), and return the buffer. |
| */ |
| char * __init efi_md_typeattr_format(char *buf, size_t size, |
| const efi_memory_desc_t *md); |
| |
| /** |
| * efi_range_is_wc - check the WC bit on an address range |
| * @start: starting kvirt address |
| * @len: length of range |
| * |
| * Consult the EFI memory map and make sure it's ok to set this range WC. |
| * Returns true or false. |
| */ |
| static inline int efi_range_is_wc(unsigned long start, unsigned long len) |
| { |
| unsigned long i; |
| |
| for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) { |
| unsigned long paddr = __pa(start + i); |
| if (!(efi_mem_attributes(paddr) & EFI_MEMORY_WC)) |
| return 0; |
| } |
| /* The range checked out */ |
| return 1; |
| } |
| |
| #ifdef CONFIG_EFI_PCDP |
| extern int __init efi_setup_pcdp_console(char *); |
| #endif |
| |
| /* |
| * We play games with efi_enabled so that the compiler will, if |
| * possible, remove EFI-related code altogether. |
| */ |
| #define EFI_BOOT 0 /* Were we booted from EFI? */ |
| #define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */ |
| #define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */ |
| #define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */ |
| #define EFI_MEMMAP 4 /* Can we use EFI memory map? */ |
| #define EFI_64BIT 5 /* Is the firmware 64-bit? */ |
| #define EFI_PARAVIRT 6 /* Access is via a paravirt interface */ |
| #define EFI_ARCH_1 7 /* First arch-specific bit */ |
| #define EFI_DBG 8 /* Print additional debug info at runtime */ |
| #define EFI_NX_PE_DATA 9 /* Can runtime data regions be mapped non-executable? */ |
| |
| #ifdef CONFIG_EFI |
| /* |
| * Test whether the above EFI_* bits are enabled. |
| */ |
| static inline bool efi_enabled(int feature) |
| { |
| return test_bit(feature, &efi.flags) != 0; |
| } |
| extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); |
| #else |
| static inline bool efi_enabled(int feature) |
| { |
| return false; |
| } |
| static inline void |
| efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} |
| #endif |
| |
| /* |
| * Variable Attributes |
| */ |
| #define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001 |
| #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002 |
| #define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004 |
| #define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008 |
| #define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010 |
| #define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020 |
| #define EFI_VARIABLE_APPEND_WRITE 0x0000000000000040 |
| |
| #define EFI_VARIABLE_MASK (EFI_VARIABLE_NON_VOLATILE | \ |
| EFI_VARIABLE_BOOTSERVICE_ACCESS | \ |
| EFI_VARIABLE_RUNTIME_ACCESS | \ |
| EFI_VARIABLE_HARDWARE_ERROR_RECORD | \ |
| EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \ |
| EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \ |
| EFI_VARIABLE_APPEND_WRITE) |
| /* |
| * Length of a GUID string (strlen("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")) |
| * not including trailing NUL |
| */ |
| #define EFI_VARIABLE_GUID_LEN 36 |
| |
| /* |
| * The type of search to perform when calling boottime->locate_handle |
| */ |
| #define EFI_LOCATE_ALL_HANDLES 0 |
| #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 |
| #define EFI_LOCATE_BY_PROTOCOL 2 |
| |
| /* |
| * EFI Device Path information |
| */ |
| #define EFI_DEV_HW 0x01 |
| #define EFI_DEV_PCI 1 |
| #define EFI_DEV_PCCARD 2 |
| #define EFI_DEV_MEM_MAPPED 3 |
| #define EFI_DEV_VENDOR 4 |
| #define EFI_DEV_CONTROLLER 5 |
| #define EFI_DEV_ACPI 0x02 |
| #define EFI_DEV_BASIC_ACPI 1 |
| #define EFI_DEV_EXPANDED_ACPI 2 |
| #define EFI_DEV_MSG 0x03 |
| #define EFI_DEV_MSG_ATAPI 1 |
| #define EFI_DEV_MSG_SCSI 2 |
| #define EFI_DEV_MSG_FC 3 |
| #define EFI_DEV_MSG_1394 4 |
| #define EFI_DEV_MSG_USB 5 |
| #define EFI_DEV_MSG_USB_CLASS 15 |
| #define EFI_DEV_MSG_I20 6 |
| #define EFI_DEV_MSG_MAC 11 |
| #define EFI_DEV_MSG_IPV4 12 |
| #define EFI_DEV_MSG_IPV6 13 |
| #define EFI_DEV_MSG_INFINIBAND 9 |
| #define EFI_DEV_MSG_UART 14 |
| #define EFI_DEV_MSG_VENDOR 10 |
| #define EFI_DEV_MEDIA 0x04 |
| #define EFI_DEV_MEDIA_HARD_DRIVE 1 |
| #define EFI_DEV_MEDIA_CDROM 2 |
| #define EFI_DEV_MEDIA_VENDOR 3 |
| #define EFI_DEV_MEDIA_FILE 4 |
| #define EFI_DEV_MEDIA_PROTOCOL 5 |
| #define EFI_DEV_BIOS_BOOT 0x05 |
| #define EFI_DEV_END_PATH 0x7F |
| #define EFI_DEV_END_PATH2 0xFF |
| #define EFI_DEV_END_INSTANCE 0x01 |
| #define EFI_DEV_END_ENTIRE 0xFF |
| |
| struct efi_generic_dev_path { |
| u8 type; |
| u8 sub_type; |
| u16 length; |
| } __attribute ((packed)); |
| |
| static inline void memrange_efi_to_native(u64 *addr, u64 *npages) |
| { |
| *npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr); |
| *addr &= PAGE_MASK; |
| } |
| |
| /* |
| * EFI Variable support. |
| * |
| * Different firmware drivers can expose their EFI-like variables using |
| * the following. |
| */ |
| |
| struct efivar_operations { |
| efi_get_variable_t *get_variable; |
| efi_get_next_variable_t *get_next_variable; |
| efi_set_variable_t *set_variable; |
| efi_set_variable_nonblocking_t *set_variable_nonblocking; |
| efi_query_variable_store_t *query_variable_store; |
| }; |
| |
| struct efivars { |
| /* |
| * ->lock protects two things: |
| * 1) efivarfs_list and efivars_sysfs_list |
| * 2) ->ops calls |
| */ |
| spinlock_t lock; |
| struct kset *kset; |
| struct kobject *kobject; |
| const struct efivar_operations *ops; |
| }; |
| |
| /* |
| * The maximum size of VariableName + Data = 1024 |
| * Therefore, it's reasonable to save that much |
| * space in each part of the structure, |
| * and we use a page for reading/writing. |
| */ |
| |
| #define EFI_VAR_NAME_LEN 1024 |
| |
| struct efi_variable { |
| efi_char16_t VariableName[EFI_VAR_NAME_LEN/sizeof(efi_char16_t)]; |
| efi_guid_t VendorGuid; |
| unsigned long DataSize; |
| __u8 Data[1024]; |
| efi_status_t Status; |
| __u32 Attributes; |
| } __attribute__((packed)); |
| |
| struct efivar_entry { |
| struct efi_variable var; |
| struct list_head list; |
| struct kobject kobj; |
| bool scanning; |
| bool deleting; |
| }; |
| |
| struct efi_simple_text_output_protocol_32 { |
| u32 reset; |
| u32 output_string; |
| u32 test_string; |
| }; |
| |
| struct efi_simple_text_output_protocol_64 { |
| u64 reset; |
| u64 output_string; |
| u64 test_string; |
| }; |
| |
| struct efi_simple_text_output_protocol { |
| void *reset; |
| efi_status_t (*output_string)(void *, void *); |
| void *test_string; |
| }; |
| |
| extern struct list_head efivar_sysfs_list; |
| |
| static inline void |
| efivar_unregister(struct efivar_entry *var) |
| { |
| kobject_put(&var->kobj); |
| } |
| |
| int efivars_register(struct efivars *efivars, |
| const struct efivar_operations *ops, |
| struct kobject *kobject); |
| int efivars_unregister(struct efivars *efivars); |
| struct kobject *efivars_kobject(void); |
| |
| int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *), |
| void *data, bool atomic, bool duplicates, |
| struct list_head *head); |
| |
| void efivar_entry_add(struct efivar_entry *entry, struct list_head *head); |
| void efivar_entry_remove(struct efivar_entry *entry); |
| |
| int __efivar_entry_delete(struct efivar_entry *entry); |
| int efivar_entry_delete(struct efivar_entry *entry); |
| |
| int efivar_entry_size(struct efivar_entry *entry, unsigned long *size); |
| int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes, |
| unsigned long *size, void *data); |
| int efivar_entry_get(struct efivar_entry *entry, u32 *attributes, |
| unsigned long *size, void *data); |
| int efivar_entry_set(struct efivar_entry *entry, u32 attributes, |
| unsigned long size, void *data, struct list_head *head); |
| int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes, |
| unsigned long *size, void *data, bool *set); |
| int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes, |
| bool block, unsigned long size, void *data); |
| |
| void efivar_entry_iter_begin(void); |
| void efivar_entry_iter_end(void); |
| |
| int __efivar_entry_iter(int (*func)(struct efivar_entry *, void *), |
| struct list_head *head, void *data, |
| struct efivar_entry **prev); |
| int efivar_entry_iter(int (*func)(struct efivar_entry *, void *), |
| struct list_head *head, void *data); |
| |
| struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid, |
| struct list_head *head, bool remove); |
| |
| bool efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data, |
| unsigned long data_size); |
| bool efivar_variable_is_removable(efi_guid_t vendor, const char *name, |
| size_t len); |
| |
| extern struct work_struct efivar_work; |
| void efivar_run_worker(void); |
| |
| #if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE) |
| int efivars_sysfs_init(void); |
| |
| #define EFIVARS_DATA_SIZE_MAX 1024 |
| |
| #endif /* CONFIG_EFI_VARS */ |
| |
| #ifdef CONFIG_EFI_RUNTIME_MAP |
| int efi_runtime_map_init(struct kobject *); |
| void efi_runtime_map_setup(void *, int, u32); |
| int efi_get_runtime_map_size(void); |
| int efi_get_runtime_map_desc_size(void); |
| int efi_runtime_map_copy(void *buf, size_t bufsz); |
| #else |
| static inline int efi_runtime_map_init(struct kobject *kobj) |
| { |
| return 0; |
| } |
| |
| static inline void |
| efi_runtime_map_setup(void *map, int nr_entries, u32 desc_size) {} |
| |
| static inline int efi_get_runtime_map_size(void) |
| { |
| return 0; |
| } |
| |
| static inline int efi_get_runtime_map_desc_size(void) |
| { |
| return 0; |
| } |
| |
| static inline int efi_runtime_map_copy(void *buf, size_t bufsz) |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| /* prototypes shared between arch specific and generic stub code */ |
| |
| #define pr_efi(sys_table, msg) efi_printk(sys_table, "EFI stub: "msg) |
| #define pr_efi_err(sys_table, msg) efi_printk(sys_table, "EFI stub: ERROR: "msg) |
| |
| void efi_printk(efi_system_table_t *sys_table_arg, char *str); |
| |
| void efi_free(efi_system_table_t *sys_table_arg, unsigned long size, |
| unsigned long addr); |
| |
| char *efi_convert_cmdline(efi_system_table_t *sys_table_arg, |
| efi_loaded_image_t *image, int *cmd_line_len); |
| |
| efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg, |
| efi_memory_desc_t **map, |
| unsigned long *map_size, |
| unsigned long *desc_size, |
| u32 *desc_ver, |
| unsigned long *key_ptr); |
| |
| efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, |
| unsigned long size, unsigned long align, |
| unsigned long *addr); |
| |
| efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg, |
| unsigned long size, unsigned long align, |
| unsigned long *addr, unsigned long max); |
| |
| efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg, |
| unsigned long *image_addr, |
| unsigned long image_size, |
| unsigned long alloc_size, |
| unsigned long preferred_addr, |
| unsigned long alignment); |
| |
| efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, |
| efi_loaded_image_t *image, |
| char *cmd_line, char *option_string, |
| unsigned long max_addr, |
| unsigned long *load_addr, |
| unsigned long *load_size); |
| |
| efi_status_t efi_parse_options(char *cmdline); |
| |
| bool efi_runtime_disabled(void); |
| #endif /* _LINUX_EFI_H */ |