Re: [Qemu-devel] [virtio] virtqueue_add_sgs

2015-06-03 Thread Stefan Hajnoczi
On Wed, Jun 03, 2015 at 01:15:34PM +0300, Catalin Vasile wrote: > If I send to the backend out buffers using multiple sgs, what should I > expect when the user sends me back the result? What should I expect to > get when I do a virtqueue_get_buf()? > Do I need to make multiple calls to virtqueue_ge

[Qemu-devel] [virtio] virtqueue_add_sgs

2015-06-03 Thread Catalin Vasile
If I send to the backend out buffers using multiple sgs, what should I expect when the user sends me back the result? What should I expect to get when I do a virtqueue_get_buf()? Do I need to make multiple calls to virtqueue_get_buf() in order to get all my out buffers? Or it returns with the first