search for: vringh_is_little_endian

...rtions(+), 6 deletions(-) diff --git a/include/linux/vringh.h b/include/linux/vringh.h index a3fa537..3ed62ef 100644 --- a/include/linux/vringh.h +++ b/include/linux/vringh.h @@ -226,33 +226,38 @@ static inline void vringh_notify(struct vringh *vrh) vrh->notify(vrh); } +static inline bool vringh_is_little_endian(const struct vringh *vrh) +{ + return vrh->little_endian; +} + static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val) { - return __virtio16_to_cpu(vrh->little_endian, val); + return __virtio16_to_cpu(vringh_is_little_endian(vrh), val); } static inline __virtio16 cpu...

...rtions(+), 6 deletions(-) diff --git a/include/linux/vringh.h b/include/linux/vringh.h index a3fa537..3ed62ef 100644 --- a/include/linux/vringh.h +++ b/include/linux/vringh.h @@ -226,33 +226,38 @@ static inline void vringh_notify(struct vringh *vrh) vrh->notify(vrh); } +static inline bool vringh_is_little_endian(const struct vringh *vrh) +{ + return vrh->little_endian; +} + static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val) { - return __virtio16_to_cpu(vrh->little_endian, val); + return __virtio16_to_cpu(vringh_is_little_endian(vrh), val); } static inline __virtio16 cpu...

...rz/qemu.git vhost/cross-endian I'd be glad if this series could make it to 4.1. Cheers. --- Greg Kurz (8): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: cross-endian support for legacy devices macvtap/tun: cross-endian support for little-endian hosts drivers/net/Kconfig | 14 ++++++ d...

...rz/qemu.git vhost/cross-endian I'd be glad if this series could make it to 4.1. Cheers. --- Greg Kurz (8): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: cross-endian support for legacy devices macvtap/tun: cross-endian support for little-endian hosts drivers/net/Kconfig | 14 ++++++ d...

...to work with cross-endian. It will be fixed in another patchset I'm currently working on. --- Greg Kurz (7): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: feature to set the vring endianness drivers/net/macvtap.c | 11 +++++++++-- drivers/net/tun.c | 11 +++++++++-- drivers/vho...

...to work with cross-endian. It will be fixed in another patchset I'm currently working on. --- Greg Kurz (7): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: feature to set the vring endianness drivers/net/macvtap.c | 11 +++++++++-- drivers/net/tun.c | 11 +++++++++-- drivers/vho...

...n the same as the previous post. Patch 7 was heavily changed according to MST's comments. --- Greg Kurz (7): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: feature to set the vring endianness drivers/net/macvtap.c | 11 ++++++-- drivers/net/tun.c | 11 ++++++-- drivers/vhost/Kco...

...n the same as the previous post. Patch 7 was heavily changed according to MST's comments. --- Greg Kurz (7): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: feature to set the vring endianness drivers/net/macvtap.c | 11 ++++++-- drivers/net/tun.c | 11 ++++++-- drivers/vhost/Kco...

...ime to comment the QEMU part ? Thanks. -- Greg > > Greg Kurz (8): > > virtio: introduce virtio_is_little_endian() helper > > tun: add tun_is_little_endian() helper > > macvtap: introduce macvtap_is_little_endian() helper > > vringh: introduce vringh_is_little_endian() helper > > vhost: introduce vhost_is_little_endian() helper > > virtio: add explicit big-endian support to memory accessors > > vhost: cross-endian support for legacy devices > > macvtap/tun: cross-endian support for little-endian hosts > > &...

...ime to comment the QEMU part ? Thanks. -- Greg > > Greg Kurz (8): > > virtio: introduce virtio_is_little_endian() helper > > tun: add tun_is_little_endian() helper > > macvtap: introduce macvtap_is_little_endian() helper > > vringh: introduce vringh_is_little_endian() helper > > vhost: introduce vhost_is_little_endian() helper > > virtio: add explicit big-endian support to memory accessors > > vhost: cross-endian support for legacy devices > > macvtap/tun: cross-endian support for little-endian hosts > > &...

...ld succesfully reboot guests from ppc64 to ppc64le and vice-versa on ppc64 and ppc64le hosts. --- Greg Kurz (8): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: feature to set the vring endianness macvtap/tun: add VNET_BE flag drivers/net/Kconfig | 12 ++++++ drivers/net/macvtap.c...

...ld succesfully reboot guests from ppc64 to ppc64le and vice-versa on ppc64 and ppc64le hosts. --- Greg Kurz (8): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: feature to set the vring endianness macvtap/tun: add VNET_BE flag drivers/net/Kconfig | 12 ++++++ drivers/net/macvtap.c...

Only cosmetic and documentation changes since v5. --- Greg Kurz (8): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: cross-endian support for legacy devices macvtap/tun: cross-endian support for little-endian hosts drivers/net/Kconfig | 14 ++++++ d...

Only cosmetic and documentation changes since v5. --- Greg Kurz (8): virtio: introduce virtio_is_little_endian() helper tun: add tun_is_little_endian() helper macvtap: introduce macvtap_is_little_endian() helper vringh: introduce vringh_is_little_endian() helper vhost: introduce vhost_is_little_endian() helper virtio: add explicit big-endian support to memory accessors vhost: cross-endian support for legacy devices macvtap/tun: cross-endian support for little-endian hosts drivers/net/Kconfig | 14 ++++++ d...

...nclude <linux/dma-direction.h> #include <linux/vhost_iotlb.h> +#endif #include <asm/barrier.h> /* virtio_ring with information needed for host access. */ @@ -254,6 +256,8 @@ static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val) return __cpu_to_virtio64(vringh_is_little_endian(vrh), val); } +#if IS_REACHABLE(CONFIG_VHOST_IOTLB) + void vringh_set_iotlb(struct vringh *vrh, struct vhost_iotlb *iotlb); int vringh_init_iotlb(struct vringh *vrh, u64 features, @@ -284,4 +288,6 @@ void vringh_notify_disable_iotlb(struct vringh *vrh); int vringh_need_notify_iotlb(struct...

...Memory accessors */ > diff --git a/include/linux/vringh.h b/include/linux/vringh.h > index 3ed62ef..d786c2d 100644 > --- a/include/linux/vringh.h > +++ b/include/linux/vringh.h > @@ -228,7 +228,9 @@ static inline void vringh_notify(struct vringh *vrh) > > static inline bool vringh_is_little_endian(const struct vringh *vrh) > { > - return vrh->little_endian; > + if (vrh->little_endian) > + return true; > + return virtio_legacy_is_little_endian(); > } > > static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)

...Memory accessors */ > diff --git a/include/linux/vringh.h b/include/linux/vringh.h > index 3ed62ef..d786c2d 100644 > --- a/include/linux/vringh.h > +++ b/include/linux/vringh.h > @@ -228,7 +228,9 @@ static inline void vringh_notify(struct vringh *vrh) > > static inline bool vringh_is_little_endian(const struct vringh *vrh) > { > - return vrh->little_endian; > + if (vrh->little_endian) > + return true; > + return virtio_legacy_is_little_endian(); > } > > static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)

...Memory accessors */ > diff --git a/include/linux/vringh.h b/include/linux/vringh.h > index 3ed62ef..d786c2d 100644 > --- a/include/linux/vringh.h > +++ b/include/linux/vringh.h > @@ -228,7 +228,9 @@ static inline void vringh_notify(struct vringh *vrh) > > static inline bool vringh_is_little_endian(const struct vringh *vrh) > { > - return vrh->little_endian; > + if (vrh->little_endian) > + return true; > + return virtio_legacy_is_little_endian(); > } > > static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)

...Memory accessors */ > diff --git a/include/linux/vringh.h b/include/linux/vringh.h > index 3ed62ef..d786c2d 100644 > --- a/include/linux/vringh.h > +++ b/include/linux/vringh.h > @@ -228,7 +228,9 @@ static inline void vringh_notify(struct vringh *vrh) > > static inline bool vringh_is_little_endian(const struct vringh *vrh) > { > - return vrh->little_endian; > + if (vrh->little_endian) > + return true; > + return virtio_legacy_is_little_endian(); > } > > static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)

...ually work, right? tun and macvtap need new ioctls too ... > --- > > Greg Kurz (7): > virtio: introduce virtio_is_little_endian() helper > tun: add tun_is_little_endian() helper > macvtap: introduce macvtap_is_little_endian() helper > vringh: introduce vringh_is_little_endian() helper > vhost: introduce vhost_is_little_endian() helper > virtio: add explicit big-endian support to memory accessors > vhost: feature to set the vring endianness > > > drivers/net/macvtap.c | 11 ++++++-- > drivers/net/tun.c...