search for: virtio_ccw_set_transport_rev

...he host. */ > features->index = 1; > ccw->cmd_code = CCW_CMD_READ_FEAT; > @@ -1182,9 +1185,13 @@ static int virtio_ccw_online(struct ccw_device *cdev) > vcdev->vdev.id.vendor = cdev->id.cu_type; > vcdev->vdev.id.device = cdev->id.cu_model; > > - ret = virtio_ccw_set_transport_rev(vcdev); > - if (ret) > - goto out_free; > + if (virtio_device_is_legacy_only(vcdev->vdev.id)) { Inverted logic? > + ret = virtio_ccw_set_transport_rev(vcdev); > + if (ret) > + goto out_free; > + } else { > + vcdev->revision = 0; > + } > > ret = regi...

...he host. */ > features->index = 1; > ccw->cmd_code = CCW_CMD_READ_FEAT; > @@ -1182,9 +1185,13 @@ static int virtio_ccw_online(struct ccw_device *cdev) > vcdev->vdev.id.vendor = cdev->id.cu_type; > vcdev->vdev.id.device = cdev->id.cu_model; > > - ret = virtio_ccw_set_transport_rev(vcdev); > - if (ret) > - goto out_free; > + if (virtio_device_is_legacy_only(vcdev->vdev.id)) { Inverted logic? > + ret = virtio_ccw_set_transport_rev(vcdev); > + if (ret) > + goto out_free; > + } else { > + vcdev->revision = 0; > + } > > ret = regi...

...device *cdev) -{ - struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); - - return virtio_device_freeze(&vcdev->vdev); -} - -static int virtio_ccw_restore(struct ccw_device *cdev) -{ - struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); - int ret; - - ret = virtio_ccw_set_transport_rev(vcdev); - if (ret) - return ret; - - return virtio_device_restore(&vcdev->vdev); -} -#endif - static struct ccw_driver virtio_ccw_driver = { .driver = { .owner = THIS_MODULE, @@ -1405,11 +1384,6 @@ static struct ccw_driver virtio_ccw_driver = { .set_online = virtio_ccw_online, .no...

...device *cdev) -{ - struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); - - return virtio_device_freeze(&vcdev->vdev); -} - -static int virtio_ccw_restore(struct ccw_device *cdev) -{ - struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); - int ret; - - ret = virtio_ccw_set_transport_rev(vcdev); - if (ret) - return ret; - - return virtio_device_restore(&vcdev->vdev); -} -#endif - static struct ccw_driver virtio_ccw_driver = { .driver = { .owner = THIS_MODULE, @@ -1405,11 +1384,6 @@ static struct ccw_driver virtio_ccw_driver = { .set_online = virtio_ccw_online, .no...

transports need to be able to detect legacy-only devices (ATM balloon only) to use legacy path to drive them. Add a core API to do just that. The implementation just blacklists balloon: not too pretty, but let's not over-engineer. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio.h | 2 ++ drivers/virtio/virtio.c | 6 ++++++ 2 files changed, 8

transports need to be able to detect legacy-only devices (ATM balloon only) to use legacy path to drive them. Add a core API to do just that. The implementation just blacklists balloon: not too pretty, but let's not over-engineer. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio.h | 2 ++ drivers/virtio/virtio.c | 6 ++++++ 2 files changed, 8

...= dev_get_drvdata(&cdev->dev); > + > + return virtio_device_freeze(&vcdev->vdev); > +} > + > +static int virtio_ccw_restore(struct ccw_device *cdev) > +{ > + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); > + int ret; > + > + ret = virtio_ccw_set_transport_rev(vcdev); > + if (ret) > + return ret; > + > + return virtio_device_restore(&vcdev->vdev); > +} > +#endif > + > static struct ccw_driver virtio_ccw_driver = { > .driver = { > .owner = THIS_MODULE, > @@ -1324,6 +1348,11 @@ static struct ccw_driver virtio_...

...nd half of the feature bits from the host. */ features->index = 1; ccw->cmd_code = CCW_CMD_READ_FEAT; @@ -1182,9 +1185,13 @@ static int virtio_ccw_online(struct ccw_device *cdev) vcdev->vdev.id.vendor = cdev->id.cu_type; vcdev->vdev.id.device = cdev->id.cu_model; - ret = virtio_ccw_set_transport_rev(vcdev); - if (ret) - goto out_free; + if (virtio_device_is_legacy_only(vcdev->vdev.id)) { + ret = virtio_ccw_set_transport_rev(vcdev); + if (ret) + goto out_free; + } else { + vcdev->revision = 0; + } ret = register_virtio_device(&vcdev->vdev); if (ret) { -- MST

...nd half of the feature bits from the host. */ features->index = 1; ccw->cmd_code = CCW_CMD_READ_FEAT; @@ -1182,9 +1185,13 @@ static int virtio_ccw_online(struct ccw_device *cdev) vcdev->vdev.id.vendor = cdev->id.cu_type; vcdev->vdev.id.device = cdev->id.cu_model; - ret = virtio_ccw_set_transport_rev(vcdev); - if (ret) - goto out_free; + if (virtio_device_is_legacy_only(vcdev->vdev.id)) { + ret = virtio_ccw_set_transport_rev(vcdev); + if (ret) + goto out_free; + } else { + vcdev->revision = 0; + } ret = register_virtio_device(&vcdev->vdev); if (ret) { -- MST

...= dev_get_drvdata(&cdev->dev); > + > + return virtio_device_freeze(&vcdev->vdev); > +} > + > +static int virtio_ccw_restore(struct ccw_device *cdev) > +{ > + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); > + int ret; > + > + ret = virtio_ccw_set_transport_rev(vcdev); > + if (ret) > + return ret; > + > + return virtio_device_restore(&vcdev->vdev); > +} > +#endif > + > static struct ccw_driver virtio_ccw_driver = { > .driver = { > .owner = THIS_MODULE, > @@ -1324,6 +1348,11 @@ static struct ccw_driver virtio_...

...CW_DOING_READ_VQ_CONF: case VIRTIO_CCW_DOING_SET_IND_ADAPTER: + case VIRTIO_CCW_DOING_SET_VIRTIO_REV: vcdev->curr_io &= ~activity; wake_up(&vcdev->wait_q); break; @@ -1053,6 +1066,51 @@ static int virtio_ccw_offline(struct ccw_device *cdev) return 0; } +static int virtio_ccw_set_transport_rev(struct virtio_ccw_device *vcdev) +{ + struct virtio_rev_info *rev; + struct ccw1 *ccw; + int ret; + + ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL); + if (!ccw) + return -ENOMEM; + rev = kzalloc(sizeof(*rev), GFP_DMA | GFP_KERNEL); + if (!rev) { + kfree(ccw); + return -ENOMEM; + } + + /* Set...

The following changes since commit 20677394b78ed4c4baa09c9a1bcfdf24d2b09fe4: Merge branch 'vhost' into vhost-next (2017-12-18 08:21:38 +0200) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/virtio-s390-20171218-v2 for you to fetch changes up to 352d303fa99330e5d197afcc28b5270734e5c541: virtio/s390: implement PM

The following changes since commit 20677394b78ed4c4baa09c9a1bcfdf24d2b09fe4: Merge branch 'vhost' into vhost-next (2017-12-18 08:21:38 +0200) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/virtio-s390-20171218-v2 for you to fetch changes up to 352d303fa99330e5d197afcc28b5270734e5c541: virtio/s390: implement PM

With this patch I can suspend/resume a KVM guest. [root at test ~]# cd /sys/power/ [root at test power]# echo test_resume > disk [root at test power]# lscss Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs ---------------------------------------------------------------------- 0.0.0003 0.0.0000 0000/00 3832/03 yes 80 80 ff 00000000 00000000 0.0.0000 0.0.0001

With this patch I can suspend/resume a KVM guest. [root at test ~]# cd /sys/power/ [root at test power]# echo test_resume > disk [root at test power]# lscss Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs ---------------------------------------------------------------------- 0.0.0003 0.0.0000 0000/00 3832/03 yes 80 80 ff 00000000 00000000 0.0.0000 0.0.0001

...device *cdev) +{ + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); + + return virtio_device_freeze(&vcdev->vdev); +} + +static int virtio_ccw_restore(struct ccw_device *cdev) +{ + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); + int ret; + + ret = virtio_ccw_set_transport_rev(vcdev); + if (ret) + return ret; + + return virtio_device_restore(&vcdev->vdev); +} + static struct ccw_driver virtio_ccw_driver = { .driver = { .owner = THIS_MODULE, @@ -1324,6 +1346,9 @@ static struct ccw_driver virtio_ccw_driver = { .set_online = virtio_ccw_online, .notify = vi...

...device *cdev) +{ + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); + + return virtio_device_freeze(&vcdev->vdev); +} + +static int virtio_ccw_restore(struct ccw_device *cdev) +{ + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); + int ret; + + ret = virtio_ccw_set_transport_rev(vcdev); + if (ret) + return ret; + + return virtio_device_restore(&vcdev->vdev); +} +#endif + static struct ccw_driver virtio_ccw_driver = { .driver = { .owner = THIS_MODULE, @@ -1324,6 +1348,11 @@ static struct ccw_driver virtio_ccw_driver = { .set_online = virtio_ccw_online, .no...

...> > + return virtio_device_freeze(&vcdev->vdev); > > +} > > + > > +static int virtio_ccw_restore(struct ccw_device *cdev) > > +{ > > + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); > > + int ret; > > + > > + ret = virtio_ccw_set_transport_rev(vcdev); > > + if (ret) > > + return ret; > > + > > + return virtio_device_restore(&vcdev->vdev); > > +} > > +#endif > > + > > static struct ccw_driver virtio_ccw_driver = { > > .driver = { > > .owner = THIS_MODULE, > >...

...= dev_get_drvdata(&cdev->dev); > - > - return virtio_device_freeze(&vcdev->vdev); > -} > - > -static int virtio_ccw_restore(struct ccw_device *cdev) > -{ > - struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); > - int ret; > - > - ret = virtio_ccw_set_transport_rev(vcdev); > - if (ret) > - return ret; > - > - return virtio_device_restore(&vcdev->vdev); > -} > -#endif > - > static struct ccw_driver virtio_ccw_driver = { > .driver = { > .owner = THIS_MODULE, > @@ -1405,11 +1384,6 @@ static struct ccw_driver virtio_...

...> > - return virtio_device_freeze(&vcdev->vdev); > > -} > > - > > -static int virtio_ccw_restore(struct ccw_device *cdev) > > -{ > > - struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); > > - int ret; > > - > > - ret = virtio_ccw_set_transport_rev(vcdev); > > - if (ret) > > - return ret; > > - > > - return virtio_device_restore(&vcdev->vdev); > > -} > > -#endif > > - > > static struct ccw_driver virtio_ccw_driver = { > > .driver = { > > .owner = THIS_MODULE, > >...