Sjur Brændeland <sjur@xxxxxxxxxxxxxx> writes:
> Zero-Copy data transport on the modem is primary goal for CAIF Virtio.
> In order to achieve Zero-Copy the direction of the Virtio rings are
> flipped in the RX direction. So we have implemented the Virtio
> access-function similar to what is found in vhost.c.
So, this adds another host-side virtqueue implementation.
Can we combine them together conveniently? You pulled out more stuff
into vring.h which is a start, but it's a bit overloaded.
Perhaps we should separate the common fields into struct vring, and use
it to build:
struct vring_guest {
struct vring vr;
u16 last_used_idx;
};
struct vring_host {
struct vring vr;
u16 last_avail_idx;
};
I haven't looked closely at vhost to see what it wants, but I would
think we could share more code.
Cheers,
Rusty.
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