search for: virtio_config

...fcvf/ifcvf_base.h | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++-- drivers/vhost/net.c | 4 ++-- drivers/vhost/vdpa.c | 2 +- drivers/virtio/virtio_balloon.c | 2 +- drivers/virtio/virtio_ring.c | 4 ++-- include/linux/virtio_config.h | 6 +++--- include/uapi/linux/virtio_config.h | 10 +++++++--- tools/virtio/linux/virtio_config.h | 6 +++--- 12 files changed, 26 insertions(+), 22 deletions(-) -- MST

This simply reorders functions in virtio_config so width access wrapper helpers are all together. Drops an extra empty line while we are at it. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/include/linux/virtio_co...

This simply reorders functions in virtio_config so width access wrapper helpers are all together. Drops an extra empty line while we are at it. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/include/linux/virtio_co...

....c | 2 +- drivers/vdpa/ifcvf/ifcvf_base.h | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++-- drivers/vhost/net.c | 4 ++-- drivers/vhost/vdpa.c | 2 +- drivers/virtio/virtio_balloon.c | 2 +- drivers/virtio/virtio_ring.c | 2 +- include/linux/virtio_config.h | 2 +- include/uapi/linux/virtio_config.h | 10 +++++++--- tools/virtio/linux/virtio_config.h | 2 +- 10 files changed, 18 insertions(+), 14 deletions(-) diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c index 351aee52aca6..a6c4bb6c2c01 100644 --- a/arch/um/drivers...

...uld use __leXX for those fields that are not present with legacy devices? > Modern ones should use __leXX. > _uXX type would be a bug. > Let's prevent that. That sounds right, though. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > include/linux/virtio_config.h | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 64da491936f7..c68f58f3bf34 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -319,9 +319,...

...it became clear that it is not obvious that some of the virtio operations (e.g. reading or writing the config space) cannot be done from an atomic context for all transports. At least try to document that, and also fix some inconsistencies I noticed along the way. Cornelia Huck (2): virtio: fix virtio_config_ops description virtio: document virtio_config_ops restrictions include/linux/virtio_config.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) -- 2.17.2

...it became clear that it is not obvious that some of the virtio operations (e.g. reading or writing the config space) cannot be done from an atomic context for all transports. At least try to document that, and also fix some inconsistencies I noticed along the way. Cornelia Huck (2): virtio: fix virtio_config_ops description virtio: document virtio_config_ops restrictions include/linux/virtio_config.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) -- 2.17.2

Suggested-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> --- This patch is generated on top of below patch: https://lists.oasis-open.org/archives/virtio-dev/201805/msg00212.html include/uapi/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h index b7c1f4e7d59e..479affd903e9 100644 --- a/include/uapi/linux/virtio_config.h +++ b/include/uapi/linux/virtio_config.h @@ -45,9 +45,12 @@ /* We&...

This patch introduces the support for VIRTIO_F_IO_BARRIER. When this feature is negotiated, driver will use the barriers suitable for hardware devices. Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> --- drivers/virtio/virtio_ring.c | 5 +++++ include/uapi/linux/virtio_config.h | 8 +++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 21d464a29cf8..edb565643bf4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -996,6 +996,9 @@ struct virtqueue *__vring_new_...

This patch introduces the support for VIRTIO_F_IO_BARRIER. When this feature is negotiated, driver will use the barriers suitable for hardware devices. Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> --- drivers/virtio/virtio_ring.c | 5 +++++ include/uapi/linux/virtio_config.h | 8 +++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 21d464a29cf8..edb565643bf4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -996,6 +996,9 @@ struct virtqueue *__vring_new_...

....c | 2 +- drivers/vdpa/ifcvf/ifcvf_base.h | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++-- drivers/vhost/net.c | 4 ++-- drivers/vhost/vdpa.c | 2 +- drivers/virtio/virtio_balloon.c | 2 +- drivers/virtio/virtio_ring.c | 2 +- include/linux/virtio_config.h | 2 +- include/uapi/linux/virtio_config.h | 10 +++++++--- tools/virtio/linux/virtio_config.h | 2 +- 10 files changed, 18 insertions(+), 14 deletions(-) diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c index 351aee52aca6..a6c4bb6c2c01 100644 --- a/arch/um/drivers...

...below proposal for virtio-spec: https://lists.oasis-open.org/archives/virtio-dev/201805/msg00019.html This patch also depends on below patch: https://lkml.org/lkml/2018/4/19/789 RFC -> v1: - Address the changes in the proposal; drivers/virtio/virtio_ring.c | 5 +++++ include/uapi/linux/virtio_config.h | 8 +++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 21d464a29cf8..edb565643bf4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -996,6 +996,9 @@ struct virtqueue *__vring_new_...

On Tue, Mar 31, 2015 at 05:17:25PM +0200, Michael S. Tsirkin wrote: > This simply reorders functions in virtio_config > so width access wrapper helpers are all together. > Drops an extra empty line while we are at it. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Ping > --- > include/linux/virtio_config.h | 15 +++++++-------- > 1 file changed, 7 insertions(+), 8 deletion...

From: Thomas Huth <thuth at linux.vnet.ibm.com> Add the new VIRTIO_F_VERSION_1 definition to the virtio_config.h linux header. Signed-off-by: Thomas Huth <thuth at linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- linux-headers/linux/virtio_config.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-headers/linux/virtio_config.h b/linux-headers/lin...

...fic config space accesses. Reviewed-by: David Hildenbrand <dahi at linux.vnet.ibm.com> Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 952b6d7..05b9ff7 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -281,12 +281,13 @@ static inline u16 virtio_cread16(s...

...fic config space accesses. Reviewed-by: David Hildenbrand <dahi at linux.vnet.ibm.com> Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Signed-off-by: Cornelia Huck <cornelia.huck at de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 952b6d7..05b9ff7 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -281,12 +281,13 @@ static inline u16 virtio_cread16(s...

On Fri, Feb 23, 2018 at 07:18:00PM +0800, Tiwei Bie wrote: >Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> >--- > include/uapi/linux/virtio_config.h | 18 +++++++++- > include/uapi/linux/virtio_ring.h | 68 ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 85 insertions(+), 1 deletion(-) > >diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h >index 308e2096291f..e3d077ef5207 100644 >-...

On Thu, May 10, 2018 at 10:53:17AM +0100, Stefan Hajnoczi wrote: > On Fri, May 04, 2018 at 12:59:15PM +0800, Tiwei Bie wrote: > > diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h > > index 308e2096291f..9fb519a9df28 100644 > > --- a/include/uapi/linux/virtio_config.h > > +++ b/include/uapi/linux/virtio_config.h > > @@ -49,7 +49,7 @@ > > * transport being used (eg. virtio_ring), the rest are per-device fe...

On Thu, May 10, 2018 at 10:53:17AM +0100, Stefan Hajnoczi wrote: > On Fri, May 04, 2018 at 12:59:15PM +0800, Tiwei Bie wrote: > > diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h > > index 308e2096291f..9fb519a9df28 100644 > > --- a/include/uapi/linux/virtio_config.h > > +++ b/include/uapi/linux/virtio_config.h > > @@ -49,7 +49,7 @@ > > * transport being used (eg. virtio_ring), the rest are per-device fe...

...nds on below patch: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?h=pci/virtualization&id=8effc395c2097e258fcedfc02ed4a66d45fb4238 drivers/virtio/virtio_pci_common.c | 20 ++++++++++++++++++++ drivers/virtio/virtio_pci_modern.c | 14 ++++++++++++++ include/uapi/linux/virtio_config.h | 7 ++++++- 3 files changed, 40 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index 48d4d1cf1cb6..023da80a7a3e 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -588,6 +588,25 @@ stati...