Add missing descriptions for functions in efi_disk.c.

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_disk.c | 52 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 49 insertions(+), 3 deletions(-)

diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index fc0682bc48..fd8fe17567 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -108,6 +108,21 @@ static efi_status_t efi_disk_rw_blocks(struct efi_block_io *this, return EFI_SUCCESS; }

+/** + * efi_disk_read_blocks() - reads blocks from device + * + * This function implements the ReadBlocks service of the EFI_BLOCK_IO_PROTOCOL. + * + * See the Unified Extensible Firmware Interface (UEFI) specification for + * details. + * + * @this: pointer to the BLOCK_IO_PROTOCOL + * @media_id: id of the medium to be read from + * @lba: starting logical block for reading + * @buffer_size: size of the read buffer + * @buffer: pointer to the destination buffer + * Return: status code + */ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this, u32 media_id, u64 lba, efi_uintn_t buffer_size, void *buffer) @@ -157,6 +172,22 @@ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this, return EFI_EXIT(r); }

+/** + * efi_disk_write_blocks() - writes blocks to device + * + * This function implements the WriteBlocks service of the + * EFI_BLOCK_IO_PROTOCOL. + * + * See the Unified Extensible Firmware Interface (UEFI) specification for + * details. + * + * @this: pointer to the BLOCK_IO_PROTOCOL + * @media_id: id of the medium to be written to + * @lba: starting logical block for writing + * @buffer_size: size of the write buffer + * @buffer: pointer to the source buffer + * Return: status code + */ static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this, u32 media_id, u64 lba, efi_uintn_t buffer_size, void *buffer) @@ -208,9 +239,22 @@ static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this, return EFI_EXIT(r); }

+/** + * efi_disk_flush_blocks() - flushes modified data to the device + * + * This function implements the FlushBlocks service of the + * EFI_BLOCK_IO_PROTOCOL. + * + * As we always write synchronously nothing is done here. + * + * See the Unified Extensible Firmware Interface (UEFI) specification for + * details. + * + * @this: pointer to the BLOCK_IO_PROTOCOL + * Return: status code + */ static efi_status_t EFIAPI efi_disk_flush_blocks(struct efi_block_io *this) { - /* We always write synchronously */ EFI_ENTRY("%p", this); return EFI_EXIT(EFI_SUCCESS); } @@ -286,7 +330,7 @@ static int efi_fs_exists(struct blk_desc *desc, int part) return 1; }

-/* +/** * efi_disk_add_dev() - create a handle for a partition or disk * * @parent: parent handle @@ -295,6 +339,8 @@ static int efi_fs_exists(struct blk_desc *desc, int part) * @desc: internal block device * @dev_index: device index for block device * @offset: offset into disk for simple partitions + * @part: partition + * @disk: pointer to receive the created handle * Return: disk object */ static efi_status_t efi_disk_add_dev( @@ -381,7 +427,7 @@ static efi_status_t efi_disk_add_dev( * Create handles and protocols for the partitions of a block device. * * @parent: handle of the parent disk - * @blk_desc: block device + * @desc: block device * @if_typename: interface type * @diskid: device number * @pdevname: device name -- 2.25.1