On 09/14/17 23:22, Brijesh Singh wrote: > When device is behind the IOMMU, driver is require to pass the device > address of caller-supplied transmit buffer for the bus master operations. > > The patch uses VirtioNetMapTxBuf() to map caller-supplied Tx packet to a > device-address and enqueue the device address in VRING for transfer and > perform the reverse mapping when transfer is completed so that we can > return the caller-supplied buffer. > > Cc: Ard Biesheuvel <[email protected]> > Cc: Jordan Justen <[email protected]> > Cc: Tom Lendacky <[email protected]> > Cc: Laszlo Ersek <[email protected]> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Brijesh Singh <[email protected]> > --- > OvmfPkg/VirtioNetDxe/SnpGetStatus.c | 35 ++++++++++++++++---- > OvmfPkg/VirtioNetDxe/SnpTransmit.c | 27 +++++++++++---- > 2 files changed, 49 insertions(+), 13 deletions(-)
Reviewed-by: Laszlo Ersek <[email protected]> I'll do some tests. Thanks Laszlo _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
