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...ture bit array format. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..249fcd6 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, unsigned int fbit); /** - * virtio_has_feature - helper to determine if this device has this feature. + *...

...ture bit array format. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..249fcd6 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, unsigned int fbit); /** - * virtio_has_feature - helper to determine if this device has this feature. + *...

.../linux/virtio_config.h | 16 +++++++++++++ include/uapi/linux/virtio_ring.h | 49 ++++++++++++++++++++-------------------- include/uapi/linux/Kbuild | 1 + 3 files changed, 42 insertions(+), 24 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..d38d3c2 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -4,6 +4,7 @@ #include <linux/err.h> #include <linux/bug.h> #include <linux/virtio.h> +#include <linux/virtio_byteorder.h> #include <uapi/linux/virtio_config.h> /** @@ -152...

.../linux/virtio_config.h | 16 +++++++++++++ include/uapi/linux/virtio_ring.h | 49 ++++++++++++++++++++-------------------- include/uapi/linux/Kbuild | 1 + 3 files changed, 42 insertions(+), 24 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..d38d3c2 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -4,6 +4,7 @@ #include <linux/err.h> #include <linux/bug.h> #include <linux/virtio.h> +#include <linux/virtio_byteorder.h> #include <uapi/linux/virtio_config.h> /** @@ -152...

...*dev); void (*config_changed)(struct virtio_device *dev); + void (*fix_features)(struct virtio_device *dev); #ifdef CONFIG_PM int (*freeze)(struct virtio_device *dev); int (*restore)(struct virtio_device *dev); diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..7bd89ea 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return test_bit(fbit, vdev->features); } +static inline void virtio_disable_feature(struct virtio_device *vdev,...

...*dev); void (*config_changed)(struct virtio_device *dev); + void (*fix_features)(struct virtio_device *dev); #ifdef CONFIG_PM int (*freeze)(struct virtio_device *dev); int (*restore)(struct virtio_device *dev); diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..7bd89ea 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return test_bit(fbit, vdev->features); } +static inline void virtio_disable_feature(struct virtio_device *vdev,...

...); void (*config_changed)(struct virtio_device *dev); + void (*sanitize_features)(struct virtio_device *dev); #ifdef CONFIG_PM int (*freeze)(struct virtio_device *dev); int (*restore)(struct virtio_device *dev); diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..7bd89ea 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return test_bit(fbit, vdev->features); } +static inline void virtio_disable_feature(struct virtio_device *vdev,...

...); void (*config_changed)(struct virtio_device *dev); + void (*sanitize_features)(struct virtio_device *dev); #ifdef CONFIG_PM int (*freeze)(struct virtio_device *dev); int (*restore)(struct virtio_device *dev); diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..7bd89ea 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return test_bit(fbit, vdev->features); } +static inline void virtio_disable_feature(struct virtio_device *vdev,...

...eatures) > + drv->fix_features(dev); I'd probably call this "sanitize_features" instead. > + > dev->config->finalize_features(dev); > > err = drv->probe(dev); > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 7f4ef66..7bd89ea 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, > return test_bit(fbit, vdev->features); > } > > +static inline void virtio_disable_fe...

...-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- > 1 file changed, 50 insertions(+), 3 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 7f4ef66..249fcd6 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, > unsigned int fbit); > > /** > - * virtio_has_feature - helper to determine if...

...-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- > 1 file changed, 50 insertions(+), 3 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 7f4ef66..249fcd6 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, > unsigned int fbit); > > /** > - * virtio_has_feature - helper to determine if...

...st at redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..d8e28a2 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, unsigned int fbit); /** - * virtio_has_feature - helper to determine if this device has this feature. + *...

...st at redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..d8e28a2 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, unsigned int fbit); /** - * virtio_has_feature - helper to determine if this device has this feature. + *...

...+++++++++++++ > include/uapi/linux/virtio_ring.h | 49 ++++++++++++++++++++-------------------- > include/uapi/linux/Kbuild | 1 + > 3 files changed, 42 insertions(+), 24 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 7f4ef66..d38d3c2 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -4,6 +4,7 @@ > #include <linux/err.h> > #include <linux/bug.h> > #include <linux/virtio.h> > +#include <linux/virtio_byteorder.h> What patch creates this...

...ruct virtio_device *dev); > + void (*sanitize_features)(struct virtio_device *dev); > #ifdef CONFIG_PM > int (*freeze)(struct virtio_device *dev); > int (*restore)(struct virtio_device *dev); > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 7f4ef66..7bd89ea 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, > return test_bit(fbit, vdev->features); > } > > +static inline void virtio_disable_f...

...to set/clear features. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..d8e28a2 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, unsigned int fbit); /** - * virtio_has_feature - helper to determine if this device has this feature. + *...

...to set/clear features. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 53 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..d8e28a2 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -77,11 +77,47 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, unsigned int fbit); /** - * virtio_has_feature - helper to determine if this device has this feature. + *...

...eatures(dev); > I'd probably call this "sanitize_features" instead. Ok. >> + >> dev->config->finalize_features(dev); >> >> err = drv->probe(dev); >> diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h >> index 7f4ef66..7bd89ea 100644 >> --- a/include/linux/virtio_config.h >> +++ b/include/linux/virtio_config.h >> @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, >> return test_bit(fbit, vdev->features); >> } >> >> +static in...

...eatures(dev); > I'd probably call this "sanitize_features" instead. Ok. >> + >> dev->config->finalize_features(dev); >> >> err = drv->probe(dev); >> diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h >> index 7f4ef66..7bd89ea 100644 >> --- a/include/linux/virtio_config.h >> +++ b/include/linux/virtio_config.h >> @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, >> return test_bit(fbit, vdev->features); >> } >> >> +static in...

...*dev); void (*config_changed)(struct virtio_device *dev); + void (*fix_features)(struct virtio_device *dev); #ifdef CONFIG_PM int (*freeze)(struct virtio_device *dev); int (*restore)(struct virtio_device *dev); diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7f4ef66..7bd89ea 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -96,6 +96,18 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return test_bit(fbit, vdev->features); } +static inline void virtio_disable_feature(struct virtio_device *vdev,...