On 05/26/17 16:44, Brijesh Singh wrote: > When SEV is enabled, the DMA must be performed on unencrypted pages. > So when get asked to perfom FWCFG DMA read or write, we allocate a > intermediate (bounce buffer) unencrypted buffer and use this buffer > for DMA read or write. > > > Cc: Jordan Justen <[email protected]> > Cc: Laszlo Ersek <[email protected]> > Contributed-under: TianoCore Contribution Agreement 1.0 > Signed-off-by: Brijesh Singh <[email protected]> > --- > OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf | 7 ++ > OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxe.c | 114 ++++++++++++++++++++ > 2 files changed, 121 insertions(+)
Reviewed-by: Laszlo Ersek <[email protected]> _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

