On 8/4/19 11:23 PM, Suwan Kim wrote:
On Fri, Aug 02, 2019 at 04:22:27PM -0600, shuah wrote:
On 8/2/19 11:36 AM, Suwan Kim wrote:
vhci doesn’t do DMA for remote device. Actually, the real DMA
operation is done by network card driver. vhci just passes virtual
address of the buffer to the network
On Fri, Aug 02, 2019 at 04:22:27PM -0600, shuah wrote:
> On 8/2/19 11:36 AM, Suwan Kim wrote:
> > vhci doesn’t do DMA for remote device. Actually, the real DMA
> > operation is done by network card driver. vhci just passes virtual
> > address of the buffer to the network stack, so vhci doesn’t use
On 8/2/19 11:36 AM, Suwan Kim wrote:
vhci doesn’t do DMA for remote device. Actually, the real DMA
operation is done by network card driver. vhci just passes virtual
address of the buffer to the network stack, so vhci doesn’t use and
need dma address of the buffer of the URB.
But HCD provides DM
vhci doesn’t do DMA for remote device. Actually, the real DMA
operation is done by network card driver. vhci just passes virtual
address of the buffer to the network stack, so vhci doesn’t use and
need dma address of the buffer of the URB.
But HCD provides DMA mapping and unmapping function by def