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author | Rob Clark <robdclark@gmail.com> | 2017-09-13 18:05:34 -0400 |
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committer | Alexander Graf <agraf@suse.de> | 2017-09-20 10:43:54 +0200 |
commit | 2a92080d8c4463f2ddbf4e3110c25ab55ef6ca3f (patch) | |
tree | d4c9ce6946b7cc3ccba693f1b0b138048c7e8794 /include/efi_api.h | |
parent | 95c5553ea268144056c4bafc318b9e8b5c096a6c (diff) | |
download | u-boot-2a92080d8c4463f2ddbf4e3110c25ab55ef6ca3f.tar.gz |
efi_loader: add file/filesys support
fallback.efi (and probably other things) use UEFI's simple-file-system
protocol and file support to search for OS's to boot.
Signed-off-by: Rob Clark <robdclark@gmail.com>
[agraf: whitespace fixes, unsigned fixes]
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'include/efi_api.h')
-rw-r--r-- | include/efi_api.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/efi_api.h b/include/efi_api.h index 0c36122107..1aae96355f 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -666,4 +666,69 @@ struct efi_pxe { struct efi_pxe_mode *mode; }; +#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ + EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ + 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define EFI_FILE_PROTOCOL_REVISION 0x00010000 + +struct efi_file_handle { + u64 rev; + efi_status_t (EFIAPI *open)(struct efi_file_handle *file, + struct efi_file_handle **new_handle, + s16 *file_name, u64 open_mode, u64 attributes); + efi_status_t (EFIAPI *close)(struct efi_file_handle *file); + efi_status_t (EFIAPI *delete)(struct efi_file_handle *file); + efi_status_t (EFIAPI *read)(struct efi_file_handle *file, + u64 *buffer_size, void *buffer); + efi_status_t (EFIAPI *write)(struct efi_file_handle *file, + u64 *buffer_size, void *buffer); + efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file, + u64 *pos); + efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file, + u64 pos); + efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file, + efi_guid_t *info_type, u64 *buffer_size, void *buffer); + efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file, + efi_guid_t *info_type, u64 buffer_size, void *buffer); + efi_status_t (EFIAPI *flush)(struct efi_file_handle *file); +}; + +#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ + EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ + 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000 + +struct efi_simple_file_system_protocol { + u64 rev; + efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this, + struct efi_file_handle **root); +}; + +#define EFI_FILE_INFO_GUID \ + EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \ + 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) + +#define EFI_FILE_MODE_READ 0x0000000000000001 +#define EFI_FILE_MODE_WRITE 0x0000000000000002 +#define EFI_FILE_MODE_CREATE 0x8000000000000000 + +#define EFI_FILE_READ_ONLY 0x0000000000000001 +#define EFI_FILE_HIDDEN 0x0000000000000002 +#define EFI_FILE_SYSTEM 0x0000000000000004 +#define EFI_FILE_RESERVED 0x0000000000000008 +#define EFI_FILE_DIRECTORY 0x0000000000000010 +#define EFI_FILE_ARCHIVE 0x0000000000000020 +#define EFI_FILE_VALID_ATTR 0x0000000000000037 + +struct efi_file_info { + u64 size; + u64 file_size; + u64 physical_size; + struct efi_time create_time; + struct efi_time last_access_time; + struct efi_time modification_time; + u64 attribute; + s16 file_name[0]; +}; + #endif |