Hi all,
I got bored and implemented SCSI passthrough for the virtio-blk driver.
Principle is quite simple, just put the missing fields (cdb, sense and
status header) on the virtio queue and then call the SG_IO ioctl on the
host.
So when using '-drive file=/dev/sgXX,if=virtio,format=host_device'
Am Freitag, 29. August 2008 schrieb Hannes Reinecke:
So when using '-drive file=/dev/sgXX,if=virtio,format=host_device' you
can happily call any sg_XX command on the resulting vdX device. Quite
neat, methinks. And it's even backwards compatible, so each of these
patches should work without the
Hi Christian,
Christian Borntraeger wrote:
Am Freitag, 29. August 2008 schrieb Hannes Reinecke:
So when using '-drive file=/dev/sgXX,if=virtio,format=host_device' you
can happily call any sg_XX command on the resulting vdX device. Quite
neat, methinks. And it's even backwards compatible, so
Am Freitag, 29. August 2008 schrieb Hannes Reinecke:
Hmm. Works here, using an unpatched kvm-73.
Which version did you use?
I use the s390 userspace prototype kuli which uses an virtio transport similar
to lguest.
I retried and it seems to race. Most of the time it works fine, but sometimes
Hi Christian,
Christian Borntraeger wrote:
Am Freitag, 29. August 2008 schrieb Hannes Reinecke:
Hmm. Works here, using an unpatched kvm-73.
Which version did you use?
I use the s390 userspace prototype kuli which uses an virtio transport similar
to lguest.
I retried and it seems to race.
Thanks for your feedback.
Here is a second try to allows to propagate scsi error code from host-guest.
Makes sense?
Signed-off-by: Christian Borntraeger [EMAIL PROTECTED]
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drivers/block/virtio_blk.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index:
