diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/blocktrans.h')
-rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/blocktrans.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/blocktrans.h b/qemu/roms/ipxe/src/include/ipxe/blocktrans.h new file mode 100644 index 000000000..fee71b96c --- /dev/null +++ b/qemu/roms/ipxe/src/include/ipxe/blocktrans.h @@ -0,0 +1,38 @@ +#ifndef _IPXE_BLOCKTRANS_H +#define _IPXE_BLOCKTRANS_H + +/** @file + * + * Block device translator + * + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include <stdint.h> +#include <ipxe/refcnt.h> +#include <ipxe/interface.h> +#include <ipxe/xferbuf.h> +#include <ipxe/uaccess.h> + +/** A block device translator */ +struct block_translator { + /** Reference count */ + struct refcnt refcnt; + /** Block device interface */ + struct interface block; + /** Data transfer interface */ + struct interface xfer; + + /** Data transfer buffer */ + struct xfer_buffer xferbuf; + /** Data buffer */ + userptr_t buffer; + /** Block size */ + size_t blksize; +}; + +extern int block_translate ( struct interface *block, + userptr_t buffer, size_t size ); + +#endif /* _IPXE_BLOCKTRANS_H */ |