Displaying 20 results from an estimated 64 matches for "head_flag".
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head_flags
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);
>>>>> +...
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);
>>>>> +...
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)...
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)...
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...
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->vd...
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,...
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...
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...
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;
> + }
> +
>...
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;
> + }
> +
>...
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;
> + }
> +
>...
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 se...
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 &...
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 &...
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;
> + }
> +
> +...
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;
> + }
> +
> +...
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);
> >...
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);
> >...
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 DEBU...