Am 16.10.2015 um 12:25 schrieb Cornelia Huck: > Devices that are compliant with virtio-1 do not support scsi > passthrough any more (and it has not been a recommended setup > anyway for quite some time). To avoid having to switch it off > explicitly in newer qemus that turn on virtio-1 by default, let's > switch the default to scsi=false for 2.5. > > Signed-off-by: Cornelia Huck <cornelia.h...@de.ibm.com> > --- > hw/block/virtio-blk.c | 2 +- > include/hw/compat.h | 6 +++++- > 2 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c > index 8beb26b..999dbd7 100644 > --- a/hw/block/virtio-blk.c > +++ b/hw/block/virtio-blk.c > @@ -975,7 +975,7 @@ static Property virtio_blk_properties[] = { > DEFINE_PROP_STRING("serial", VirtIOBlock, conf.serial), > DEFINE_PROP_BIT("config-wce", VirtIOBlock, conf.config_wce, 0, true), > #ifdef __linux__ > - DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, true), > + DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, false), > #endif > DEFINE_PROP_BIT("request-merging", VirtIOBlock, conf.request_merging, 0, > true), > diff --git a/include/hw/compat.h b/include/hw/compat.h > index 095de5d..93e71af 100644 > --- a/include/hw/compat.h > +++ b/include/hw/compat.h > @@ -2,7 +2,11 @@ > #define HW_COMPAT_H > > #define HW_COMPAT_2_4 \ > - /* empty */ > + {\ > + .driver = "virtio-blk-device",\ > + .property = "scsi",\ > + .value = "true",\
does that work? If yes, would it make sense to convert the things in HW_COMPAT_2_3 from pci to device, e.g. {\ - .driver = "virtio-blk-pci",\ + .driver = "virtio-blk-device",\ .property = "any_layout",\ .value = "off",\ ...