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authorRob Clark <robdclark@gmail.com>2017-09-13 18:05:34 -0400
committerAlexander Graf <agraf@suse.de>2017-09-20 10:43:54 +0200
commit2a92080d8c4463f2ddbf4e3110c25ab55ef6ca3f (patch)
treed4c9ce6946b7cc3ccba693f1b0b138048c7e8794 /include/efi_api.h
parent95c5553ea268144056c4bafc318b9e8b5c096a6c (diff)
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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.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/include/efi_api.h b/include/efi_api.h
index 0c36122..1aae963 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