search for: head_flags

Displaying 20 results from an estimated 64 matches for "head_flags".

[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
2
[PATCH RFC 2/2] virtio_ring: support packed ring
...;vdev, VRING_DESC_F_NEXT | >>>>> + VRING_DESC_F_WRITE | >>>>> + VRING_DESC_F_AVAIL(vq->wrap_counter) | >>>>> + VRING_DESC_F_USED(!vq->wrap_counter)); >>>>> + if (!indirect && i == head) >>>>> + head_flags = flags; >>>>> + else >>>>> + desc[i].flags = flags; >>>>> + >>>>> + desc[i].addr = cpu_to_virtio64(_vq->vdev, addr); >>>>> + desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length); >>>>> + d...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
2
[PATCH RFC 2/2] virtio_ring: support packed ring
...;vdev, VRING_DESC_F_NEXT | >>>>> + VRING_DESC_F_WRITE | >>>>> + VRING_DESC_F_AVAIL(vq->wrap_counter) | >>>>> + VRING_DESC_F_USED(!vq->wrap_counter)); >>>>> + if (!indirect && i == head) >>>>> + head_flags = flags; >>>>> + else >>>>> + desc[i].flags = flags; >>>>> + >>>>> + desc[i].addr = cpu_to_virtio64(_vq->vdev, addr); >>>>> + desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length); >>>>> + d...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
2
[PATCH RFC 2/2] virtio_ring: support packed ring
...> + flags = cpu_to_virtio16(_vq->vdev, VRING_DESC_F_NEXT | >>> + VRING_DESC_F_WRITE | >>> + VRING_DESC_F_AVAIL(vq->wrap_counter) | >>> + VRING_DESC_F_USED(!vq->wrap_counter)); >>> + if (!indirect && i == head) >>> + head_flags = flags; >>> + else >>> + desc[i].flags = flags; >>> + >>> + desc[i].addr = cpu_to_virtio64(_vq->vdev, addr); >>> + desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length); >>> + desc[i].id = cpu_to_virtio32(_vq->vdev, head);...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
2
[PATCH RFC 2/2] virtio_ring: support packed ring
...> + flags = cpu_to_virtio16(_vq->vdev, VRING_DESC_F_NEXT | >>> + VRING_DESC_F_WRITE | >>> + VRING_DESC_F_AVAIL(vq->wrap_counter) | >>> + VRING_DESC_F_USED(!vq->wrap_counter)); >>> + if (!indirect && i == head) >>> + head_flags = flags; >>> + else >>> + desc[i].flags = flags; >>> + >>> + desc[i].addr = cpu_to_virtio64(_vq->vdev, addr); >>> + desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length); >>> + desc[i].id = cpu_to_virtio32(_vq->vdev, head);...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
0
[PATCH RFC 2/2] virtio_ring: support packed ring
...q->vdev, VRING_DESC_F_NEXT | > > > > + VRING_DESC_F_WRITE | > > > > + VRING_DESC_F_AVAIL(vq->wrap_counter) | > > > > + VRING_DESC_F_USED(!vq->wrap_counter)); > > > > + if (!indirect && i == head) > > > > + head_flags = flags; > > > > + else > > > > + desc[i].flags = flags; > > > > + > > > > + desc[i].addr = cpu_to_virtio64(_vq->vdev, addr); > > > > + desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length); > > > > + desc[i]...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
0
[PATCH RFC 2/2] virtio_ring: support packed ring
...; > > + VRING_DESC_F_WRITE | > > > > > > + VRING_DESC_F_AVAIL(vq->wrap_counter) | > > > > > > + VRING_DESC_F_USED(!vq->wrap_counter)); > > > > > > + if (!indirect && i == head) > > > > > > + head_flags = flags; > > > > > > + else > > > > > > + desc[i].flags = flags; > > > > > > + > > > > > > + desc[i].addr = cpu_to_virtio64(_vq->vdev, addr); > > > > > > + desc[i].len = cpu_to_virtio32(_vq->vde...
[RFC v5 3/5] virtio_ring: add packed ring support
2018 May 22
0
[RFC v5 3/5] virtio_ring: add packed ring support
...int virtqueue_add_packed(struct virtqueue *_vq, void *ctx, gfp_t gfp) { + struct vring_virtqueue *vq = to_vvq(_vq); + struct vring_packed_desc *desc; + struct scatterlist *sg; + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; + __virtio16 uninitialized_var(head_flags), flags; + u16 head, avail_wrap_counter, id, cur; + bool indirect; + + START_USE(vq); + + BUG_ON(data == NULL); + BUG_ON(ctx && vq->indirect); + + if (unlikely(vq->broken)) { + END_USE(vq); + return -EIO; + } + +#ifdef DEBUG + { + ktime_t now = ktime_get(); + + /* No kick or get,...
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
2018 Jul 11
0
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
...int virtqueue_add_packed(struct virtqueue *_vq, void *ctx, gfp_t gfp) { + struct vring_virtqueue *vq = to_vvq(_vq); + struct vring_packed_desc *desc; + struct scatterlist *sg; + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; + __virtio16 uninitialized_var(head_flags), flags; + u16 head, avail_wrap_counter, id, curr; + bool indirect; + + START_USE(vq); + + BUG_ON(data == NULL); + BUG_ON(ctx && vq->indirect); + + if (unlikely(vq->broken)) { + END_USE(vq); + return -EIO; + } + +#ifdef DEBUG + { + ktime_t now = ktime_get(); + + /* No kick or get,...
[RFC v3 3/5] virtio_ring: add packed ring support
2018 Apr 25
0
[RFC v3 3/5] virtio_ring: add packed ring support
...int virtqueue_add_packed(struct virtqueue *_vq, void *ctx, gfp_t gfp) { + struct vring_virtqueue *vq = to_vvq(_vq); + struct vring_packed_desc *desc; + struct scatterlist *sg; + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; + __virtio16 uninitialized_var(head_flags), flags; + int head, wrap_counter; + bool indirect; + + START_USE(vq); + + BUG_ON(data == NULL); + BUG_ON(ctx && vq->indirect); + + if (unlikely(vq->broken)) { + END_USE(vq); + return -EIO; + } + +#ifdef DEBUG + { + ktime_t now = ktime_get(); + + /* No kick or get, with .1 second...
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
2018 Sep 07
1
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
...ue *_vq, > void *ctx, > gfp_t gfp) > { > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + u16 head, avail_wrap_counter, id, curr; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > +...
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
2018 Nov 07
2
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
...ue *_vq, > void *ctx, > gfp_t gfp) > { > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + u16 head, avail_wrap_counter, id, curr; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > +...
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
2018 Nov 07
2
[PATCH net-next v2 3/5] virtio_ring: add packed ring support
...ue *_vq, > void *ctx, > gfp_t gfp) > { > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + u16 head, avail_wrap_counter, id, curr; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > +...
[RFC v4 3/5] virtio_ring: add packed ring support
2018 May 16
0
[RFC v4 3/5] virtio_ring: add packed ring support
...int virtqueue_add_packed(struct virtqueue *_vq, void *ctx, gfp_t gfp) { + struct vring_virtqueue *vq = to_vvq(_vq); + struct vring_packed_desc *desc; + struct scatterlist *sg; + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; + __virtio16 uninitialized_var(head_flags), flags; + u16 head, wrap_counter, id; + bool indirect; + + START_USE(vq); + + BUG_ON(data == NULL); + BUG_ON(ctx && vq->indirect); + + if (unlikely(vq->broken)) { + END_USE(vq); + return -EIO; + } + +#ifdef DEBUG + { + ktime_t now = ktime_get(); + + /* No kick or get, with .1 sec...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
2
[PATCH RFC 2/2] virtio_ring: support packed ring
...d *data, > + void *ctx, > + gfp_t gfp) > +{ > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + int head, wrap_counter; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > + if (total_sg &g...
[PATCH RFC 2/2] virtio_ring: support packed ring
2018 Mar 16
2
[PATCH RFC 2/2] virtio_ring: support packed ring
...d *data, > + void *ctx, > + gfp_t gfp) > +{ > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + int head, wrap_counter; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > + if (total_sg &g...
[RFC v5 3/5] virtio_ring: add packed ring support
2018 May 29
2
[RFC v5 3/5] virtio_ring: add packed ring support
...*_vq, > void *ctx, > gfp_t gfp) > { > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + u16 head, avail_wrap_counter, id, cur; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > +#...
[RFC v5 3/5] virtio_ring: add packed ring support
2018 May 29
2
[RFC v5 3/5] virtio_ring: add packed ring support
...*_vq, > void *ctx, > gfp_t gfp) > { > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + u16 head, avail_wrap_counter, id, cur; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > +#...
[RFC v2] virtio: support packed ring
2018 Apr 13
3
[RFC v2] virtio: support packed ring
..., > > + gfp_t gfp) > > +{ > > + struct vring_virtqueue *vq = to_vvq(_vq); > > + struct vring_packed_desc *desc; > > + struct scatterlist *sg; > > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > > + __virtio16 uninitialized_var(head_flags), flags; > > + int head, wrap_counter; > > + bool indirect; > > + > > + START_USE(vq); > > + > > + BUG_ON(data == NULL); > > + BUG_ON(ctx && vq->indirect); > > + > > + if (unlikely(vq->broken)) { > > + END_USE(vq); > >...
[RFC v2] virtio: support packed ring
2018 Apr 13
3
[RFC v2] virtio: support packed ring
..., > > + gfp_t gfp) > > +{ > > + struct vring_virtqueue *vq = to_vvq(_vq); > > + struct vring_packed_desc *desc; > > + struct scatterlist *sg; > > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > > + __virtio16 uninitialized_var(head_flags), flags; > > + int head, wrap_counter; > > + bool indirect; > > + > > + START_USE(vq); > > + > > + BUG_ON(data == NULL); > > + BUG_ON(ctx && vq->indirect); > > + > > + if (unlikely(vq->broken)) { > > + END_USE(vq); > >...
[RFC v4 3/5] virtio_ring: add packed ring support
2018 May 16
2
[RFC v4 3/5] virtio_ring: add packed ring support
...*_vq, > void *ctx, > gfp_t gfp) > { > + struct vring_virtqueue *vq = to_vvq(_vq); > + struct vring_packed_desc *desc; > + struct scatterlist *sg; > + unsigned int i, n, descs_used, uninitialized_var(prev), err_idx; > + __virtio16 uninitialized_var(head_flags), flags; > + u16 head, wrap_counter, id; > + bool indirect; > + > + START_USE(vq); > + > + BUG_ON(data == NULL); > + BUG_ON(ctx && vq->indirect); > + > + if (unlikely(vq->broken)) { > + END_USE(vq); > + return -EIO; > + } > + > +#ifdef DEBUG...