On 01/11/2012 02:14 PM, Michael S. Tsirkin wrote:
On Wed, Jan 11, 2012 at 01:42:39PM -0600, Anthony Liguori wrote:
On 01/11/2012 11:08 AM, Michael S. Tsirkin wrote:
Not sure what you mean. Using VQ is DMA which is pretty common for PCI.
Do you know of a network device that obtains it's mac address via a DMA transaction?
Sure.
See mlx4_replace_mac in drivers/net/ethernet/mellanox/mlx4/port.c
I'd say that's a special case but I see what you're getting at here.
So what about keeping the config space read-only and using control queues for
everything else?
Regards,
Anthony Liguori
Regards,
Anthony Liguori
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