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Add internal scsi generic block API (Avi Kivity)

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Add an internal API for the generic block layer to send scsi generic commands
to block format driver.  This means block format drivers no longer need
to consider overloaded nb_sectors parameters.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6823 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-03-12 19:57:12 +00:00
parent 7d78066926
commit 04eeb8b6d6
3 changed files with 44 additions and 4 deletions
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10
block_int.h
View file

@ -84,6 +84,16 @@ struct BlockDriver {
/* to control generic scsi devices */
int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
int (*bdrv_sg_send_command)(BlockDriverState *bs, void *buf, int count);
int (*bdrv_sg_recv_response)(BlockDriverState *bs, void *buf, int count);
BlockDriverAIOCB *(*bdrv_sg_aio_read)(BlockDriverState *bs,
void *buf, int count,
BlockDriverCompletionFunc *cb,
void *opaque);
BlockDriverAIOCB *(*bdrv_sg_aio_write)(BlockDriverState *bs,
void *buf, int count,
BlockDriverCompletionFunc *cb,
void *opaque);
BlockDriverAIOCB *free_aiocb;
struct BlockDriver *next;