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On Thu, 11 Dec 2014 14:25:06 +0100 Cornelia Huck <cornelia.huck at de.ibm.com> wrote: > Add a helper function for checking whether a bit is set in the guest > features for a vdev as well as one that works on a feature bit set. > > Convert code that open-coded this: It cleans up the code and makes it > easier to extend the guest feature bits. > > Signed-off-by:

On Thu, 11 Dec 2014 14:25:06 +0100 Cornelia Huck <cornelia.huck at de.ibm.com> wrote: > Add a helper function for checking whether a bit is set in the guest > features for a vdev as well as one that works on a feature bit set. > > Convert code that open-coded this: It cleans up the code and makes it > easier to extend the guest feature bits. > > Signed-off-by:

On Thu, Dec 11, 2014 at 03:46:23PM +0100, Thomas Huth wrote: > On Thu, 11 Dec 2014 14:25:06 +0100 > Cornelia Huck <cornelia.huck at de.ibm.com> wrote: > > > Add a helper function for checking whether a bit is set in the guest > > features for a vdev as well as one that works on a feature bit set. > > > > Convert code that open-coded this: It cleans up the

On Thu, Dec 11, 2014 at 03:46:23PM +0100, Thomas Huth wrote: > On Thu, 11 Dec 2014 14:25:06 +0100 > Cornelia Huck <cornelia.huck at de.ibm.com> wrote: > > > Add a helper function for checking whether a bit is set in the guest > > features for a vdev as well as one that works on a feature bit set. > > > > Convert code that open-coded this: It cleans up the

Add a helper function for checking whether a bit is set in the guest features for a vdev as well as one that works on a feature bit set. Convert code that open-coded this: It cleans up the code and makes it easier to extend the guest feature bits. Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- hw/block/virtio-blk.c | 7 ++----- hw/char/virtio-serial-bus.c | 2

Add a helper function for checking whether a bit is set in the guest features for a vdev as well as one that works on a feature bit set. Convert code that open-coded this: It cleans up the code and makes it easier to extend the guest feature bits. Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- hw/block/virtio-blk.c | 7 ++----- hw/char/virtio-serial-bus.c | 2

With virtio-1, we support more than 32 feature bits. Let's make vdev->guest_features depend on the number of supported feature bits, allowing us to grow the feature bits automatically. We also need to enhance the internal functions dealing with getting and setting features with an additional index field, so that all feature bits may be accessed (in chunks of 32 bits). vhost and migration

With virtio-1, we support more than 32 feature bits. Let's make vdev->guest_features depend on the number of supported feature bits, allowing us to grow the feature bits automatically. We also need to enhance the internal functions dealing with getting and setting features with an additional index field, so that all feature bits may be accessed (in chunks of 32 bits). vhost and migration

With virtio-1, we support more than 32 feature bits. Let's extend both host and guest features to 64, which should suffice for a while. vhost and migration have been ignored for now. Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- hw/9pfs/virtio-9p-device.c | 2 +- hw/block/virtio-blk.c | 2 +- hw/char/virtio-serial-bus.c | 2 +-

With virtio-1, we support more than 32 feature bits. Let's extend both host and guest features to 64, which should suffice for a while. vhost and migration have been ignored for now. Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- hw/9pfs/virtio-9p-device.c | 2 +- hw/block/virtio-blk.c | 2 +- hw/char/virtio-serial-bus.c | 2 +-

And yet another iteration of virtio-1 support in qemu, tested with the latest virtio kernel patches. Find it at git://github.com/cohuck/qemu virtio-1 Changes from v5: - fixed stupid bug in "virtio: support more feature bits": we need to define a proper prop backend for 64 bit wide handling... - don't negotiate revision 1 unless VERSION_1 is offered - use 64 bit wide features

And yet another iteration of virtio-1 support in qemu, tested with the latest virtio kernel patches. Find it at git://github.com/cohuck/qemu virtio-1 Changes from v5: - fixed stupid bug in "virtio: support more feature bits": we need to define a proper prop backend for 64 bit wide handling... - don't negotiate revision 1 unless VERSION_1 is offered - use 64 bit wide features

With virtio-1, we support more than 32 feature bits. Let's extend both host and guest features to 64, which should suffice for a while. vhost and migration have been ignored for now. Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- hw/9pfs/virtio-9p-device.c | 2 +- hw/block/virtio-blk.c | 2 +- hw/char/virtio-serial-bus.c | 2 +-

With virtio-1, we support more than 32 feature bits. Let's extend both host and guest features to 64, which should suffice for a while. vhost and migration have been ignored for now. Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- hw/9pfs/virtio-9p-device.c | 2 +- hw/block/virtio-blk.c | 2 +- hw/char/virtio-serial-bus.c | 2 +-

Another iteration of virtio-1 patches for qemu, as always available on git://github.com/cohuck/qemu virtio-1 This one seems to work together with the current vhost-next patches (well, I can ping :) Changes from v4: - add helpers for feature bit manipulation and checking - use 64 bit feature bits instead of 32 bit arrays - infrastructure to allow devices to offer different sets of feature bits

Another iteration of virtio-1 patches for qemu, as always available on git://github.com/cohuck/qemu virtio-1 This one seems to work together with the current vhost-next patches (well, I can ping :) Changes from v4: - add helpers for feature bit manipulation and checking - use 64 bit feature bits instead of 32 bit arrays - infrastructure to allow devices to offer different sets of feature bits

Hi, here's the next version of my virtio-1 qemu patchset. Using virtio-1 virtio-blk and virtio-net devices with a guest kernel built from <1416829787-14252-1-git-send-email-mst at redhat.com> still seems to work for the virtio-ccw transport. Changes from v1: - rebased against current master - don't advertise VERSION_1 for all devices, make devices switch it on individually

Hi, here's the next version of my virtio-1 qemu patchset. Using virtio-1 virtio-blk and virtio-net devices with a guest kernel built from <1416829787-14252-1-git-send-email-mst at redhat.com> still seems to work for the virtio-ccw transport. Changes from v1: - rebased against current master - don't advertise VERSION_1 for all devices, make devices switch it on individually

Next version of virtio-1 patches for qemu. Only change from v2 is splitting out the vring accessors into a separate header file - should hopefully fix the build issues. Cornelia Huck (9): virtio: cull virtio_bus_set_vdev_features virtio: support more feature bits s390x/virtio-ccw: fix check for WRITE_FEAT virtio: introduce legacy virtio devices virtio: allow virtio-1 queue layout

Next version of virtio-1 patches for qemu. Only change from v2 is splitting out the vring accessors into a separate header file - should hopefully fix the build issues. Cornelia Huck (9): virtio: cull virtio_bus_set_vdev_features virtio: support more feature bits s390x/virtio-ccw: fix check for WRITE_FEAT virtio: introduce legacy virtio devices virtio: allow virtio-1 queue layout