Displaying 11 results from an estimated 11 matches for "vring_split_desc_f_indirect".
2018 Dec 07
7
[RFC 0/3] virtio_ring: define flags as shifts consistently
This is a follow up of the discussion in this thread:
https://patchwork.ozlabs.org/patch/1001015/#2042353
Tiwei Bie (3):
virtio_ring: define flags as shifts consistently
virtio_ring: add VIRTIO_RING_NO_LEGACY
virtio_ring: use new vring flags
drivers/virtio/virtio_ring.c | 100 ++++++++++++++++++-------------
include/uapi/linux/virtio_ring.h | 61 +++++++++++++------
2 files changed,
2018 Dec 07
7
[RFC 0/3] virtio_ring: define flags as shifts consistently
This is a follow up of the discussion in this thread:
https://patchwork.ozlabs.org/patch/1001015/#2042353
Tiwei Bie (3):
virtio_ring: define flags as shifts consistently
virtio_ring: add VIRTIO_RING_NO_LEGACY
virtio_ring: use new vring flags
drivers/virtio/virtio_ring.c | 100 ++++++++++++++++++-------------
include/uapi/linux/virtio_ring.h | 61 +++++++++++++------
2 files changed,
2018 Dec 07
0
[RFC 3/3] virtio_ring: use new vring flags
...6c9f 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -371,17 +371,17 @@ static void vring_unmap_one_split(const struct vring_virtqueue *vq,
flags = virtio16_to_cpu(vq->vq.vdev, desc->flags);
- if (flags & VRING_DESC_F_INDIRECT) {
+ if (flags & BIT(VRING_SPLIT_DESC_F_INDIRECT)) {
dma_unmap_single(vring_dma_dev(vq),
virtio64_to_cpu(vq->vq.vdev, desc->addr),
virtio32_to_cpu(vq->vq.vdev, desc->len),
- (flags & VRING_DESC_F_WRITE) ?
+ (flags & BIT(VRING_SPLIT_DESC_F_WRITE)) ?
DMA_FROM_DEVICE : DMA_TO_DEVICE);
} else {
dm...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...something like this:
#define VRING_COMM_DESC_F_NEXT 0
#define VRING_COMM_DESC_F_WRITE 1
#define VRING_COMM_DESC_F_INDIRECT 2
#define VRING_SPLIT_USED_F_NO_NOTIFY 0
#define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
or
#define VRING_SPLIT_DESC_F_NEXT 0
#define VRING_SPLIT_DESC_F_WRITE 1
#define VRING_SPLIT_DESC_F_INDIRECT 2
#define VRING_SPLIT_USED_F_NO_NOTIFY 0
#define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
#define VRING_PACKED_DESC_F_NEXT 0
#define VRING_PACKED_DESC_F_WRITE 1
#define VRING_PACKED_DESC_F_INDIRECT 2
>
>
>
> > >
> > >
> > > > >
> > > > &...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...something like this:
#define VRING_COMM_DESC_F_NEXT 0
#define VRING_COMM_DESC_F_WRITE 1
#define VRING_COMM_DESC_F_INDIRECT 2
#define VRING_SPLIT_USED_F_NO_NOTIFY 0
#define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
or
#define VRING_SPLIT_DESC_F_NEXT 0
#define VRING_SPLIT_DESC_F_WRITE 1
#define VRING_SPLIT_DESC_F_INDIRECT 2
#define VRING_SPLIT_USED_F_NO_NOTIFY 0
#define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
#define VRING_PACKED_DESC_F_NEXT 0
#define VRING_PACKED_DESC_F_WRITE 1
#define VRING_PACKED_DESC_F_INDIRECT 2
>
>
>
> > >
> > >
> > > > >
> > > > &...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...t; #define VRING_COMM_DESC_F_INDIRECT 2
> >
> > #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> > #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
> >
> > or
> >
> > #define VRING_SPLIT_DESC_F_NEXT 0
> > #define VRING_SPLIT_DESC_F_WRITE 1
> > #define VRING_SPLIT_DESC_F_INDIRECT 2
> >
> > #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> > #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
> >
> > #define VRING_PACKED_DESC_F_NEXT 0
> > #define VRING_PACKED_DESC_F_WRITE 1
> > #define VRING_PACKED_DESC_F_INDIRECT 2
>
> As we aren't...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...t; #define VRING_COMM_DESC_F_INDIRECT 2
> >
> > #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> > #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
> >
> > or
> >
> > #define VRING_SPLIT_DESC_F_NEXT 0
> > #define VRING_SPLIT_DESC_F_WRITE 1
> > #define VRING_SPLIT_DESC_F_INDIRECT 2
> >
> > #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> > #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
> >
> > #define VRING_PACKED_DESC_F_NEXT 0
> > #define VRING_PACKED_DESC_F_WRITE 1
> > #define VRING_PACKED_DESC_F_INDIRECT 2
>
> As we aren't...
2018 Nov 30
0
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...0
> #define VRING_COMM_DESC_F_WRITE 1
> #define VRING_COMM_DESC_F_INDIRECT 2
>
> #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
>
> or
>
> #define VRING_SPLIT_DESC_F_NEXT 0
> #define VRING_SPLIT_DESC_F_WRITE 1
> #define VRING_SPLIT_DESC_F_INDIRECT 2
>
> #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
>
> #define VRING_PACKED_DESC_F_NEXT 0
> #define VRING_PACKED_DESC_F_WRITE 1
> #define VRING_PACKED_DESC_F_INDIRECT 2
As we aren't sharing code I think I prefer the second form...
2018 Nov 30
0
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...> >
> > > #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> > > #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
> > >
> > > or
> > >
> > > #define VRING_SPLIT_DESC_F_NEXT 0
> > > #define VRING_SPLIT_DESC_F_WRITE 1
> > > #define VRING_SPLIT_DESC_F_INDIRECT 2
> > >
> > > #define VRING_SPLIT_USED_F_NO_NOTIFY 0
> > > #define VRING_SPLIT_AVAIL_F_NO_INTERRUPT 0
> > >
> > > #define VRING_PACKED_DESC_F_NEXT 0
> > > #define VRING_PACKED_DESC_F_WRITE 1
> > > #define VRING_PACKED_DESC_F_INDIR...
2018 Nov 30
4
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
On 2018/11/21 ??6:03, Tiwei Bie wrote:
> Add types and macros for packed ring.
>
> Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
> ---
> include/uapi/linux/virtio_config.h | 3 +++
> include/uapi/linux/virtio_ring.h | 52 ++++++++++++++++++++++++++++++++++++++
> 2 files changed, 55 insertions(+)
>
> diff --git a/include/uapi/linux/virtio_config.h
2018 Nov 30
4
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
On 2018/11/21 ??6:03, Tiwei Bie wrote:
> Add types and macros for packed ring.
>
> Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
> ---
> include/uapi/linux/virtio_config.h | 3 +++
> include/uapi/linux/virtio_ring.h | 52 ++++++++++++++++++++++++++++++++++++++
> 2 files changed, 55 insertions(+)
>
> diff --git a/include/uapi/linux/virtio_config.h