Displaying 20 results from an estimated 85 matches for "vring_packed_desc_event".
2019 Feb 01
2
[PATCH] virtio: drop internal struct from UAPI
...o_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -152,7 +152,12 @@ struct vring_virtqueue {
/* Available for packed ring */
struct {
/* Actual memory layout for this queue. */
- struct vring_packed vring;
+ struct {
+ unsigned int num;
+ struct vring_packed_desc *desc;
+ struct vring_packed_desc_event *driver;
+ struct vring_packed_desc_event *device;
+ } vring;
/* Driver ring wrap counter. */
bool avail_wrap_counter;
diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h
index 2414f8af26b3..4c4e24c291a5 100644
--- a/include/uapi/linux/virtio_ring.h
+++ b...
2018 Jul 04
2
[PATCH net-next 8/8] vhost: event suppression for packed ring
.../vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -1115,10 +1115,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
> struct vring_used __user *used)
> {
> struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
> + struct vring_packed_desc_event *driver_event =
> + (struct vring_packed_desc_event *)avail;
> + struct vring_packed_desc_event *device_event =
> + (struct vring_packed_desc_event *)used;
>
> - /* TODO: check device area and driver area */
> return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &...
2018 Jul 04
2
[PATCH net-next 8/8] vhost: event suppression for packed ring
.../vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -1115,10 +1115,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
> struct vring_used __user *used)
> {
> struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
> + struct vring_packed_desc_event *driver_event =
> + (struct vring_packed_desc_event *)avail;
> + struct vring_packed_desc_event *device_event =
> + (struct vring_packed_desc_event *)used;
>
> - /* TODO: check device area and driver area */
> return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &...
2018 Nov 30
4
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...ort indirect buffer descriptors */
> #define VIRTIO_RING_F_INDIRECT_DESC 28
>
> @@ -171,4 +195,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> }
>
> +struct vring_packed_desc_event {
> + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> + __le16 off_wrap;
> + /* Descriptor Ring Change Event Flags. */
> + __le16 flags;
> +};
> +
> +struct vring_packed_desc {
> + /* Buffer Address. */
> + __le64 addr;
> + /* Buffer Length. */
> + __le32...
2018 Nov 30
4
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...ort indirect buffer descriptors */
> #define VIRTIO_RING_F_INDIRECT_DESC 28
>
> @@ -171,4 +195,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> }
>
> +struct vring_packed_desc_event {
> + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> + __le16 off_wrap;
> + /* Descriptor Ring Change Event Flags. */
> + __le16 flags;
> +};
> +
> +struct vring_packed_desc {
> + /* Buffer Address. */
> + __le64 addr;
> + /* Buffer Length. */
> + __le32...
2018 Feb 23
0
[PATCH RFC 1/2] virtio: introduce packed ring defines
.../* The Host uses this in used->flags to advise the Guest: don't kick me when
* you add a buffer. It's unreliable, so it's simply an optimization. Guest
* will still kick if it's out of buffers. */
@@ -104,6 +107,36 @@ struct vring {
struct vring_used *used;
};
+struct vring_packed_desc_event {
+ /* Descriptor Event Offset */
+ __virtio16 desc_event_off : 15,
+ /* Descriptor Event Wrap Counter */
+ desc_event_wrap : 1;
+ /* Descriptor Event Flags */
+ __virtio16 desc_event_flags : 2;
+};
+
+struct vring_packed_desc {
+ /* Buffer Address. */
+ __virtio64 addr;
+ /* Buffer Length....
2018 Sep 07
2
[PATCH net-next v2 1/5] virtio: add packed ring definitions
...d ring, right? Pls prefix accordingly.
Also, you likely need macros for the wrap counters.
> @@ -171,4 +186,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> }
>
> +struct vring_packed_desc_event {
> + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> + __virtio16 off_wrap;
> + /* Descriptor Ring Change Event Flags. */
> + __virtio16 flags;
> +};
> +
> +struct vring_packed_desc {
> + /* Buffer Address. */
> + __virtio64 addr;
> + /* Buffer Length. */
&g...
2018 Sep 07
2
[PATCH net-next v2 1/5] virtio: add packed ring definitions
...d ring, right? Pls prefix accordingly.
Also, you likely need macros for the wrap counters.
> @@ -171,4 +186,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> }
>
> +struct vring_packed_desc_event {
> + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> + __virtio16 off_wrap;
> + /* Descriptor Ring Change Event Flags. */
> + __virtio16 flags;
> +};
> +
> +struct vring_packed_desc {
> + /* Buffer Address. */
> + __virtio64 addr;
> + /* Buffer Length. */
&g...
2018 May 16
0
[RFC V4 PATCH 8/8] vhost: event suppression for packed ring
.....afdf4c1 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1108,10 +1108,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
struct vring_used __user *used)
{
struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
+ struct vring_packed_desc_event *driver_event =
+ (struct vring_packed_desc_event *)avail;
+ struct vring_packed_desc_event *device_event =
+ (struct vring_packed_desc_event *)used;
- /* FIXME: check device area and driver area */
return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &&
- access_ok(VER...
2018 Mar 26
0
[RFC PATCH V2 8/8] vhost: event suppression for packed ring
.....ff83a2e 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1143,10 +1143,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
struct vring_used __user *used)
{
struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
+ struct vring_packed_desc_event *driver_event =
+ (struct vring_packed_desc_event *)avail;
+ struct vring_packed_desc_event *device_event =
+ (struct vring_packed_desc_event *)used;
- /* FIXME: check device area and driver area */
return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &&
- access_ok(VER...
2018 Mar 30
1
[RFC PATCH V2 8/8] vhost: event suppression for packed ring
...@ -96,8 +96,14 @@ struct vhost_virtqueue {
> struct vring_desc __user *desc;
> struct vring_desc_packed __user *desc_packed;
Do you think it'd be better to name the desc type as
struct vring_packed_desc? And it will be consistent
with other names, like:
struct vring_packed;
struct vring_packed_desc_event;
> };
> - struct vring_avail __user *avail;
> - struct vring_used __user *used;
> + union {
> + struct vring_avail __user *avail;
> + struct vring_packed_desc_event __user *driver_event;
> + };
> + union {
> + struct vring_used __user *used;
> + struct vring_pac...
2018 May 29
0
[RFC V5 PATCH 8/8] vhost: event suppression for packed ring
.....112f680 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1112,10 +1112,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
struct vring_used __user *used)
{
struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
+ struct vring_packed_desc_event *driver_event =
+ (struct vring_packed_desc_event *)avail;
+ struct vring_packed_desc_event *device_event =
+ (struct vring_packed_desc_event *)used;
- /* FIXME: check device area and driver area */
return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &&
- access_ok(VER...
2018 Jul 04
0
[PATCH net-next 8/8] vhost: event suppression for packed ring
...b/drivers/vhost/vhost.c
>> @@ -1115,10 +1115,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
>> struct vring_used __user *used)
>> {
>> struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
>> + struct vring_packed_desc_event *driver_event =
>> + (struct vring_packed_desc_event *)avail;
>> + struct vring_packed_desc_event *device_event =
>> + (struct vring_packed_desc_event *)used;
>>
>> - /* TODO: check device area and driver area */
>> return access_ok(VERIFY_READ, packed, n...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...> > > > > @@ -171,4 +195,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> > > > > > return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> > > > > > }
> > > > > > +struct vring_packed_desc_event {
> > > > > > + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> > > > > > + __le16 off_wrap;
> > > > > > + /* Descriptor Ring Change Event Flags. */
> > > > > > + __le16 flags;
> > > > > > +};
> &...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...> > > > > @@ -171,4 +195,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> > > > > > return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> > > > > > }
> > > > > > +struct vring_packed_desc_event {
> > > > > > + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> > > > > > + __le16 off_wrap;
> > > > > > + /* Descriptor Ring Change Event Flags. */
> > > > > > + __le16 flags;
> > > > > > +};
> &...
2018 May 30
2
[RFC V5 PATCH 8/8] vhost: event suppression for packed ring
.../vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -1112,10 +1112,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
> struct vring_used __user *used)
> {
> struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
> + struct vring_packed_desc_event *driver_event =
> + (struct vring_packed_desc_event *)avail;
> + struct vring_packed_desc_event *device_event =
> + (struct vring_packed_desc_event *)used;
>
> - /* FIXME: check device area and driver area */
> return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &am...
2018 May 30
2
[RFC V5 PATCH 8/8] vhost: event suppression for packed ring
.../vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -1112,10 +1112,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
> struct vring_used __user *used)
> {
> struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
> + struct vring_packed_desc_event *driver_event =
> + (struct vring_packed_desc_event *)avail;
> + struct vring_packed_desc_event *device_event =
> + (struct vring_packed_desc_event *)used;
>
> - /* FIXME: check device area and driver area */
> return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &am...
2018 Jul 03
0
[PATCH net-next 8/8] vhost: event suppression for packed ring
.....cccbc82 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1115,10 +1115,15 @@ static int vq_access_ok_packed(struct vhost_virtqueue *vq, unsigned int num,
struct vring_used __user *used)
{
struct vring_desc_packed *packed = (struct vring_desc_packed *)desc;
+ struct vring_packed_desc_event *driver_event =
+ (struct vring_packed_desc_event *)avail;
+ struct vring_packed_desc_event *device_event =
+ (struct vring_packed_desc_event *)used;
- /* TODO: check device area and driver area */
return access_ok(VERIFY_READ, packed, num * sizeof(*packed)) &&
- access_ok(VERI...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...71,4 +195,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> > > > > > > > return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> > > > > > > > }
> > > > > > > > +struct vring_packed_desc_event {
> > > > > > > > + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> > > > > > > > + __le16 off_wrap;
> > > > > > > > + /* Descriptor Ring Change Event Flags. */
> > > > > > > > + __le16 flags;...
2018 Nov 30
2
[PATCH net-next v3 01/13] virtio: add packed ring types and macros
...71,4 +195,32 @@ static inline int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old)
> > > > > > > > return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
> > > > > > > > }
> > > > > > > > +struct vring_packed_desc_event {
> > > > > > > > + /* Descriptor Ring Change Event Offset/Wrap Counter. */
> > > > > > > > + __le16 off_wrap;
> > > > > > > > + /* Descriptor Ring Change Event Flags. */
> > > > > > > > + __le16 flags;...