Displaying 6 results from an estimated 6 matches for "virtio_dma_buf_op".
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virtio_dma_buf_ops
2020 Jun 04
2
[PATCH v4 1/3] virtio: add dma-buf support for exported objects
...+}
> +EXPORT_SYMBOL(virtio_dma_buf_export);
> +
> +/**
> + * virtio_dma_buf_attach - mandatory attach callback for virtio dma-bufs
> + */
> +int virtio_dma_buf_attach(struct dma_buf *dma_buf,
> + struct dma_buf_attachment *attach)
> +{
> + int ret;
> + const struct virtio_dma_buf_ops *ops = container_of(
> + dma_buf->ops, const struct virtio_dma_buf_ops, ops);
> +
> + if (ops->device_attach) {
> + ret = ops->device_attach(dma_buf, attach);
> + if (ret)
> + return ret;
> + }
> + return 0;
> +}
> +EXPORT_SYMBOL(virtio_dma_buf_attach);...
2020 Jun 04
2
[PATCH v4 1/3] virtio: add dma-buf support for exported objects
...+}
> +EXPORT_SYMBOL(virtio_dma_buf_export);
> +
> +/**
> + * virtio_dma_buf_attach - mandatory attach callback for virtio dma-bufs
> + */
> +int virtio_dma_buf_attach(struct dma_buf *dma_buf,
> + struct dma_buf_attachment *attach)
> +{
> + int ret;
> + const struct virtio_dma_buf_ops *ops = container_of(
> + dma_buf->ops, const struct virtio_dma_buf_ops, ops);
> +
> + if (ops->device_attach) {
> + ret = ops->device_attach(dma_buf, attach);
> + if (ret)
> + return ret;
> + }
> + return 0;
> +}
> +EXPORT_SYMBOL(virtio_dma_buf_attach);...
2020 Sep 10
0
[PATCH v7 1/3] virtio: add dma-buf support for exported objects
...ight (C) 2020 Google, Inc.
> + */
> +
> +#include <linux/virtio_dma_buf.h>
> +
> +/**
> + * virtio_dma_buf_export - Creates a new dma-buf for a virtio exported object
> + * @exp_info: [in] see dma_buf_export(). ops MUST refer to a dma_buf_ops
> + * struct embedded in a virtio_dma_buf_ops.
> + *
> + * This wraps dma_buf_export() to allow virtio drivers to create a dma-buf
> + * for an virtio exported object that can be queried by other virtio drivers
> + * for the object's UUID.
> + */
> +struct dma_buf *virtio_dma_buf_export
> + (const struct dma_buf_expor...
2020 Jun 19
0
[PATCH v4 1/3] virtio: add dma-buf support for exported objects
...ach callback for virtio dma-bufs
> > > > + */
> > > > +int virtio_dma_buf_attach(struct dma_buf *dma_buf,
> > > > + struct dma_buf_attachment *attach)
> > > > +{
> > > > + int ret;
> > > > + const struct virtio_dma_buf_ops *ops = container_of(
> > > > + dma_buf->ops, const struct virtio_dma_buf_ops, ops);
> > > > +
> > > > + if (ops->device_attach) {
> > > > + ret = ops->device_attach(dma_buf, attach);
> > > > +...
2020 Aug 18
0
[PATCH v6 0/3] Support virtio cross-device resources
...xport(
-:112: CHECK:OPEN_ENDED_LINE: Lines should not end with a '('
#112: FILE: drivers/virtio/virtio_dma_buf.c:19:
+struct dma_buf *virtio_dma_buf_export(
-:115: CHECK:OPEN_ENDED_LINE: Lines should not end with a '('
#115: FILE: drivers/virtio/virtio_dma_buf.c:22:
+ const struct virtio_dma_buf_ops *virtio_ops = container_of(
-:119: CHECK:LOGICAL_CONTINUATIONS: Logical continuations should be on the previous line
#119: FILE: drivers/virtio/virtio_dma_buf.c:26:
+ if (!exp_info->ops
+ || exp_info->ops->attach != &virtio_dma_buf_attach
-:120: CHECK:LOGICAL_CONTINUATIONS: Logical...
2020 Jun 08
0
[PATCH v4 1/3] virtio: add dma-buf support for exported objects
...on.
But really this is just unnecessary complexity anyway.
The only difference with dma_buf is get_uuid and device_attacj, isn't it?
And they are called like this:
+ */
+int virtio_dma_buf_get_uuid(struct dma_buf *dma_buf,
+ uuid_t *uuid)
+{
+ const struct virtio_dma_buf_ops *ops = container_of(
+ dma_buf->ops, const struct virtio_dma_buf_ops, ops);
+
+ if (!is_virtio_dma_buf(dma_buf))
+ return -EINVAL;
+
+ return ops->get_uuid(dma_buf, uuid);
+}
So you are doing the container_of trick anyway, the extra st...