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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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8
block.c
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@ -1678,22 +1678,22 @@ int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
int bdrv_sg_send_command(BlockDriverState *bs, void *buf, int count)
{
return bdrv_pwrite(bs, -1, buf, count);
return bs->drv->bdrv_sg_send_command(bs, buf, count);
}
int bdrv_sg_recv_response(BlockDriverState *bs, void *buf, int count)
{
return bdrv_pread(bs, -1, buf, count);
return bs->drv->bdrv_sg_recv_response(bs, buf, count);
}
BlockDriverAIOCB *bdrv_sg_aio_read(BlockDriverState *bs, void *buf, int count,
BlockDriverCompletionFunc *cb, void *opaque)
{
return bdrv_aio_read(bs, 0, buf, -(int64_t)count, cb, opaque);
return bs->drv->bdrv_sg_aio_read(bs, buf, count, cb, opaque);
}
BlockDriverAIOCB *bdrv_sg_aio_write(BlockDriverState *bs, void *buf, int count,
BlockDriverCompletionFunc *cb, void *opaque)
{
return bdrv_aio_write(bs, 0, buf, -(int64_t)count, cb, opaque);
return bs->drv->bdrv_sg_aio_write(bs, buf, count, cb, opaque);
}