search for: vp_notifi

On Tue, Mar 21, 2023 at 02:21:15AM +0300, Viktor Prutyanov wrote: > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > indicates that the driver passes extra data along with the queue > notifications. > > In a split queue case, the extra data is 16-bit available index. In a > packed queue case, the extra data is 1-bit wrap counter and 15-bit > available

On Tue, Mar 21, 2023 at 02:21:15AM +0300, Viktor Prutyanov wrote: > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > indicates that the driver passes extra data along with the queue > notifications. > > In a split queue case, the extra data is 16-bit available index. In a > packed queue case, the extra data is 1-bit wrap counter and 15-bit > available

On Tue, Mar 21, 2023 at 04:44:10PM +0300, Viktor Prutyanov wrote: > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > indicates that the driver passes extra data along with the queue > notifications. > > In a split queue case, the extra data is 16-bit available index. In a > packed queue case, the extra data is 1-bit wrap counter and 15-bit > available

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 45 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 45 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

On Wed, 22 Mar 2023 17:10:31 +0300, Viktor Prutyanov <viktor at daynix.com> wrote: > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > indicates that the driver passes extra data along with the queue > notifications. > > In a split queue case, the extra data is 16-bit available index. In a > packed queue case, the extra data is 1-bit wrap counter and

On Thu, Mar 23, 2023 at 10:18:56AM +0300, Viktor Prutyanov wrote: > On Thu, Mar 23, 2023 at 4:22?AM Xuan Zhuo <xuanzhuo at linux.alibaba.com> wrote: > > > > On Wed, 22 Mar 2023 17:10:31 +0300, Viktor Prutyanov <viktor at daynix.com> wrote: > > > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > > > indicates that the driver passes

On Wed, Mar 22, 2023 at 05:10:31PM +0300, Viktor Prutyanov wrote: > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > indicates that the driver passes extra data along with the queue > notifications. > > In a split queue case, the extra data is 16-bit available index. In a > packed queue case, the extra data is 1-bit wrap counter and 15-bit > available

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 45 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 53 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 53 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 45 +++++++++++++++++++++++++++++++++--------- 1 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 53 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

This reorganizes virtio-pci code in vp_interrupt slightly, so that it's easier to add per-vq MSI support on top. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.c | 53 +++++++++++++++++++++++++++--------------- 1 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index

On Thu, 23 Mar 2023 11:55:51 +0300, Viktor Prutyanov <viktor at daynix.com> wrote: > According to VirtIO spec v1.2, VIRTIO_F_NOTIFICATION_DATA feature > indicates that the driver passes extra data along with the queue > notifications. > > In a split queue case, the extra data is 16-bit available index. In a > packed queue case, the extra data is 1-bit wrap counter and

Allows maintaining extra context per vq. For ease of use, passing in NULL is legal and disables the feature for all vqs. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/misc/mic/vop/vop_main.c | 9 ++++++--- drivers/s390/virtio/kvm_virtio.c | 6 ++++-- drivers/s390/virtio/virtio_ccw.c | 7 ++++--- drivers/virtio/virtio_mmio.c | 8 +++++---

Allows maintaining extra context per vq. For ease of use, passing in NULL is legal and disables the feature for all vqs. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/misc/mic/vop/vop_main.c | 9 ++++++--- drivers/s390/virtio/kvm_virtio.c | 6 ++++-- drivers/s390/virtio/virtio_ccw.c | 7 ++++--- drivers/virtio/virtio_mmio.c | 8 +++++---

Move everything dealing with legacy devices out to virtio_pci_legacy.c. Expose common code APIs in virtio_pci.h Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.h | 133 ++++++++++++ drivers/virtio/virtio_pci.c | 420 ++----------------------------------- drivers/virtio/virtio_pci_legacy.c | 323 ++++++++++++++++++++++++++++ 3 files changed,

Move everything dealing with legacy devices out to virtio_pci_legacy.c. Expose common code APIs in virtio_pci.h Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.h | 133 ++++++++++++ drivers/virtio/virtio_pci.c | 420 ++----------------------------------- drivers/virtio/virtio_pci_legacy.c | 323 ++++++++++++++++++++++++++++ 3 files changed,

Move everything dealing with legacy devices out to virtio_pci_legacy.c. Expose common code APIs in virtio_pci.h Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci.h | 133 ++++++++++++ drivers/virtio/virtio_pci.c | 420 ++----------------------------------- drivers/virtio/virtio_pci_legacy.c | 323 ++++++++++++++++++++++++++++