diff options
Diffstat (limited to 'tools/blktap2/drivers/tapdisk-image.h')
-rw-r--r-- | tools/blktap2/drivers/tapdisk-image.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/blktap2/drivers/tapdisk-image.h b/tools/blktap2/drivers/tapdisk-image.h new file mode 100644 index 0000000000..8779dff8b7 --- /dev/null +++ b/tools/blktap2/drivers/tapdisk-image.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2008, XenSource Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of XenSource Inc. nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER + * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _TAPDISK_IMAGE_H_ +#define _TAPDISK_IMAGE_H_ + +#include "tapdisk.h" +#include <xen/io/blkif.h> + +struct td_image_handle { + int type; + char *name; + + td_flag_t flags; + int storage; + + td_driver_t *driver; + td_disk_info_t info; + + void *private; + + struct list_head next; +}; + +td_image_t *tapdisk_image_allocate(char *, int, int, td_flag_t, void *); +void tapdisk_image_free(td_image_t *); + +int tapdisk_image_check_td_request(td_image_t *, td_request_t); +int tapdisk_image_check_ring_request(td_image_t *, blkif_request_t *); + +#endif |