IN UINT64 Attributes\r
);\r
\r
+/**\r
+ Close a specified file handle.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that is the file\r
+ handle to close.\r
+\r
+ @retval EFI_SUCCESS The file was closed.\r
+ @retval EFI_INVALID_PARAMETER The parameter "This" is NULL.\r
+\r
+**/\r
EFI_STATUS\r
FileClose (\r
- IN EFI_FILE *File\r
+ IN EFI_FILE *This\r
);\r
\r
+/**\r
+ Close and delete a file.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that is the file\r
+ handle to delete.\r
+\r
+ @retval EFI_SUCCESS The file was closed and deleted.\r
+ @retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not deleted.\r
+ @retval EFI_INVALID_PARAMETER The parameter "This" is NULL.\r
+\r
+**/\r
EFI_STATUS\r
-FileDelete(\r
- IN EFI_FILE *File\r
+FileDelete (\r
+ IN EFI_FILE *This\r
);\r
\r
+/**\r
+ Read data from an open file.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that\r
+ is the file handle to read data from.\r
+ @param[in out] BufferSize On input, the size of the Buffer. On output, the\r
+ amount of data returned in Buffer. In both cases,\r
+ the size is measured in bytes.\r
+ @param[out] Buffer The buffer into which the data is read.\r
+\r
+ @retval EFI_SUCCESS The data was read.\r
+ @retval EFI_DEVICE_ERROR On entry, the current file position is\r
+ beyond the end of the file, or the semi-hosting\r
+ interface reported an error while performing the\r
+ read operation.\r
+ @retval EFI_INVALID_PARAMETER The parameter "This" or the parameter "Buffer"\r
+ is NULL.\r
+**/\r
EFI_STATUS\r
FileRead (\r
- IN EFI_FILE *File,\r
- IN OUT UINTN *BufferSize,\r
- OUT VOID *Buffer\r
+ IN EFI_FILE *This,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
);\r
\r
+/**\r
+ Write data to an open file.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that\r
+ is the file handle to write data to.\r
+ @param[in out] BufferSize On input, the size of the Buffer. On output, the\r
+ size of the data actually written. In both cases,\r
+ the size is measured in bytes.\r
+ @param[in] Buffer The buffer of data to write.\r
+\r
+ @retval EFI_SUCCESS The data was written.\r
+ @retval EFI_ACCESS_DENIED Attempt to write into a read only file or\r
+ in a file opened in read only mode.\r
+ @retval EFI_DEVICE_ERROR The last issued semi-hosting operation failed.\r
+ @retval EFI_INVALID_PARAMETER The parameter "This" or the parameter "Buffer"\r
+ is NULL.\r
+\r
+**/\r
EFI_STATUS\r
FileWrite (\r
- IN EFI_FILE *File,\r
+ IN EFI_FILE *This,\r
IN OUT UINTN *BufferSize,\r
IN VOID *Buffer\r
);\r
\r
+/**\r
+ Return a file's current position.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that is\r
+ the file handle to get the current position on.\r
+ @param[out] Position The address to return the file's current position value.\r
+\r
+ @retval EFI_SUCCESS The position was returned.\r
+ @retval EFI_INVALID_PARAMETER Position is a NULL pointer.\r
+\r
+**/\r
EFI_STATUS\r
FileGetPosition (\r
- IN EFI_FILE *File,\r
- OUT UINT64 *Position\r
+ IN EFI_FILE *File,\r
+ OUT UINT64 *Position\r
);\r
\r
+/**\r
+ Set a file's current position.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that is\r
+ the file handle to set the requested position on.\r
+ @param[in] Position The byte position from the start of the file to set.\r
+\r
+ @retval EFI_SUCCESS The position was set.\r
+ @retval EFI_DEVICE_ERROR The semi-hosting positionning operation failed.\r
+ @retval EFI_UNSUPPORTED The seek request for nonzero is not valid on open\r
+ directories.\r
+\r
+**/\r
EFI_STATUS\r
FileSetPosition (\r
IN EFI_FILE *File,\r
IN UINT64 Position\r
);\r
\r
+/**\r
+ Return information about a file or a file system.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that\r
+ is the file handle the requested information is for.\r
+ @param[in] InformationType The type identifier for the information being requested :\r
+ EFI_FILE_INFO_ID or EFI_FILE_SYSTEM_INFO_ID or\r
+ EFI_FILE_SYSTEM_VOLUME_LABEL_ID\r
+ @param[in out] BufferSize The size, in bytes, of Buffer.\r
+ @param[out] Buffer A pointer to the data buffer to return. The type of the\r
+ data inside the buffer is indicated by InformationType.\r
+\r
+ @retval EFI_SUCCESS The information was returned.\r
+ @retval EFI_UNSUPPORTED The InformationType is not known.\r
+ @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to return the information.\r
+ BufferSize has been updated with the size needed to\r
+ complete the request.\r
+ @retval EFI_INVALID_PARAMETER The parameter "This" or the parameter "Buffer"\r
+ is NULL.\r
+\r
+**/\r
EFI_STATUS\r
FileGetInfo (\r
- IN EFI_FILE *File,\r
- IN EFI_GUID *InformationType,\r
- IN OUT UINTN *BufferSize,\r
- OUT VOID *Buffer\r
+ IN EFI_FILE *This,\r
+ IN EFI_GUID *InformationType,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
);\r
\r
+/**\r
+ Set information about a file or a file system.\r
+\r
+ @param[in] This A pointer to the EFI_FILE_PROTOCOL instance that\r
+ is the file handle the information is for.\r
+ @param[in] InformationType The type identifier for the information being set :\r
+ EFI_FILE_INFO_ID or EFI_FILE_SYSTEM_INFO_ID or\r
+ EFI_FILE_SYSTEM_VOLUME_LABEL_ID\r
+ @param[in] BufferSize The size, in bytes, of Buffer.\r
+ @param[in] Buffer A pointer to the data buffer to write. The type of the\r
+ data inside the buffer is indicated by InformationType.\r
+\r
+ @retval EFI_SUCCESS The information was set.\r
+ @retval EFI_UNSUPPORTED The InformationType is not known.\r
+ @retval EFI_DEVICE_ERROR The last issued semi-hosting operation failed.\r
+ @retval EFI_ACCESS_DENIED An attempt is being made to change the\r
+ EFI_FILE_DIRECTORY Attribute.\r
+ @retval EFI_ACCESS_DENIED InformationType is EFI_FILE_INFO_ID and\r
+ the file is a read-only file or has been\r
+ opened in read-only mode and an attempt is\r
+ being made to modify a field other than\r
+ Attribute.\r
+ @retval EFI_ACCESS_DENIED An attempt is made to change the name of a file\r
+ to a file that is already present.\r
+ @retval EFI_WRITE_PROTECTED An attempt is being made to modify a\r
+ read-only attribute.\r
+ @retval EFI_BAD_BUFFER_SIZE The size of the buffer is lower than that indicated by\r
+ the data inside the buffer.\r
+ @retval EFI_OUT_OF_RESOURCES An allocation needed to process the request failed.\r
+ @retval EFI_INVALID_PARAMETER At least one of the parameters is invalid.\r
+\r
+**/\r
EFI_STATUS\r
FileSetInfo (\r
- IN EFI_FILE *File,\r
- IN EFI_GUID *InformationType,\r
- IN UINTN BufferSize,\r
- IN VOID *Buffer\r
+ IN EFI_FILE *This,\r
+ IN EFI_GUID *InformationType,\r
+ IN UINTN BufferSize,\r
+ IN VOID *Buffer\r
);\r
\r
EFI_STATUS\r
projects / mirror_edk2.git / blobdiff