search for: virtio_mmio_host_featur

Displaying 20 results from an estimated 52 matches for "virtio_mmio_host_featur".

[PATCH v4 02/42] virtio: add support for 64 bit features.
2014 Nov 25
2
[PATCH v4 02/42] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH v4 02/42] virtio: add support for 64 bit features.
2014 Nov 25
2
[PATCH v4 02/42] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v2 3/4] virtio: allow finalize_features to fail
2014 Dec 05
1
[PATCH RFC v2 3/4] virtio: allow finalize_features to fail
...-git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c > index aec1dae..5219210 100644 > --- a/drivers/virtio/virtio_mmio.c > +++ b/drivers/virtio/virtio_mmio.c > @@ -152,7 +152,7 @@ static u64 vm_get_features(struct virtio_device *vdev) > return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); > } > Do we have to take care of fails in virtio_device_restore()? Otherwise looks good to me. David
[PATCH RFC v2 3/4] virtio: allow finalize_features to fail
2014 Dec 05
1
[PATCH RFC v2 3/4] virtio: allow finalize_features to fail
...-git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c > index aec1dae..5219210 100644 > --- a/drivers/virtio/virtio_mmio.c > +++ b/drivers/virtio/virtio_mmio.c > @@ -152,7 +152,7 @@ static u64 vm_get_features(struct virtio_device *vdev) > return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); > } > Do we have to take care of fails in virtio_device_restore()? Otherwise looks good to me. David
[PATCH RFC 02/11] virtio: add support for 64 bit features.
2014 Oct 07
0
[PATCH RFC 02/11] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH v3 02/41] virtio: add support for 64 bit features.
2014 Nov 24
0
[PATCH v3 02/41] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH v3 02/41] virtio: add support for 64 bit features.
2014 Nov 24
0
[PATCH v3 02/41] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v2 04/16] virtio: add support for 64 bit features.
2014 Oct 22
0
[PATCH RFC v2 04/16] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v3 04/16] virtio: add support for 64 bit features.
2014 Oct 22
0
[PATCH RFC v3 04/16] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v4 04/17] virtio: add support for 64 bit features.
2014 Oct 23
0
[PATCH RFC v4 04/17] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v2 04/16] virtio: add support for 64 bit features.
2014 Oct 22
0
[PATCH RFC v2 04/16] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v3 04/16] virtio: add support for 64 bit features.
2014 Oct 22
0
[PATCH RFC v3 04/16] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH RFC v4 04/17] virtio: add support for 64 bit features.
2014 Oct 23
0
[PATCH RFC v4 04/17] virtio: add support for 64 bit features.
.../* Configuration interface */ -static u32 vm_get_features(struct virtio_device *vdev) +static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); - - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + return feature...
[PATCH v4 04/42] virtio: disable virtio 1.0 in transports
2014 Nov 25
2
[PATCH v4 04/42] virtio: disable virtio 1.0 in transports
..._device *vdev) diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index fd01c6d..e1d38a9 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -151,6 +151,8 @@ static u64 vm_get_features(struct virtio_device *vdev) features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + /* TODO: enable virtio 1.0 support */ + features &= ~BIT_ULL(VIRTIO_F_VERSION_1); return features; } -- MST
[PATCH v4 04/42] virtio: disable virtio 1.0 in transports
2014 Nov 25
2
[PATCH v4 04/42] virtio: disable virtio 1.0 in transports
..._device *vdev) diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index fd01c6d..e1d38a9 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -151,6 +151,8 @@ static u64 vm_get_features(struct virtio_device *vdev) features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) << 32); + /* TODO: enable virtio 1.0 support */ + features &= ~BIT_ULL(VIRTIO_F_VERSION_1); return features; } -- MST
[PATCH v4 02/42] virtio: add support for 64 bit features.
2014 Nov 26
0
[PATCH v4 02/42] virtio: add support for 64 bit features.
...-static u32 vm_get_features(struct virtio_device *vdev) > +static u64 vm_get_features(struct virtio_device *vdev) > { > struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); > + u64 features; > > - /* TODO: Features > 32 bits */ > writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); > - > - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); > + features = readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); > + writel(1, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); > + features |= ((u64)readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES) <&...
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
2015 Jan 20
4
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
...virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; + + writel(1, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + features = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); + features <<= 32; - /* TODO: Features > 32 bits */ - writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + writel(0, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + features |= readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + return features; } static int vm_finalize_features(struct virtio_device *vdev) @@ -159,11...
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
2015 Jan 20
4
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
...virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; + + writel(1, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + features = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); + features <<= 32; - /* TODO: Features > 32 bits */ - writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + writel(0, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + features |= readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + return features; } static int vm_finalize_features(struct virtio_device *vdev) @@ -159,11...
[PATCH] virtio-mmio: Update the device to OASIS spec version
2015 Jan 20
1
[PATCH] virtio-mmio: Update the device to OASIS spec version
...ms of the GNU GPL, version 2 or later. @@ -145,11 +115,16 @@ struct virtio_mmio_vq_info { static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ - writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + writel(1, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + features = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); + features <<= 32; - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(0, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + featur...
[PATCH] virtio-mmio: Update the device to OASIS spec version
2015 Jan 20
1
[PATCH] virtio-mmio: Update the device to OASIS spec version
...ms of the GNU GPL, version 2 or later. @@ -145,11 +115,16 @@ struct virtio_mmio_vq_info { static u64 vm_get_features(struct virtio_device *vdev) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); + u64 features; - /* TODO: Features > 32 bits */ - writel(0, vm_dev->base + VIRTIO_MMIO_HOST_FEATURES_SEL); + writel(1, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + features = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); + features <<= 32; - return readl(vm_dev->base + VIRTIO_MMIO_HOST_FEATURES); + writel(0, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); + featur...