> > */
> > struct rpmb_frame_jdec {
> > __u8 stuff[196];
> > __u8 key_mac[32];
> > __u8 data[256];
> > __u8 nonce[16];
> > __be32 write_counter;
> > __be16 addr;
> > __be16 block_count;
> > __be16 result;
> > __be16 req_resp;
> > }
>
> Ok, this seems to properly define the structure including endianness.
> You should explicitly refer to it by name, then it should be fine (when the
> document you refer to is added as a normative reference).
>
> >
> > A user should fill the rpmb frame per his request and send it to virtio rpmb
> driver.
> > The driver then format it to virtqueue and send it to device.
>
> Is there any formatting on top of the frame?
No such requirement for driver. Just sending to device via virtqueue.
