blocktrans.h

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#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 */