From: Joerg Roedel
This function returns the maximum segment size for a single
dma transaction of a virtio device. The possible limit comes
from the SWIOTLB implementation in the Linux kernel, that
has an upper limit of (currently) 256kb of contiguous
memory it can map. Other DMA-API
Hi Tom,
On Wed, Jan 30, 2019 at 03:10:29PM +, Lendacky, Thomas wrote:
> On 1/29/19 2:43 AM, Joerg Roedel wrote:
> > +size_t virtio_max_dma_size(struct virtio_device *vdev)
> > +{
> > + size_t max_segment_size = SIZE_MAX;
> > +
> > + if (vring_use_dma_api(vdev))
> > +
On 1/29/19 2:43 AM, Joerg Roedel wrote:
> From: Joerg Roedel
>
> This function returns the maximum segment size for a single
> dma transaction of a virtio device. The possible limit comes
> from the SWIOTLB implementation in the Linux kernel, that
> has an upper limit of (currently) 256kb of
On Tue, Jan 29, 2019 at 09:43:41AM +0100, Joerg Roedel wrote:
> From: Joerg Roedel
>
> This function returns the maximum segment size for a single
> dma transaction of a virtio device. The possible limit comes
> from the SWIOTLB implementation in the Linux kernel, that
> has an upper limit of
From: Joerg Roedel
This function returns the maximum segment size for a single
dma transaction of a virtio device. The possible limit comes
from the SWIOTLB implementation in the Linux kernel, that
has an upper limit of (currently) 256kb of contiguous
memory it can map. Other DMA-API
From: Joerg Roedel
This function returns the maximum segment size for a single
dma transaction of a virtio device. The possible limit comes
from the SWIOTLB implementation in the Linux kernel, that
has an upper limit of (currently) 256kb of contiguous
memory it can map. Other DMA-API
