09719a01b11b0e3b9fdd273da3afa0dbb68cb662
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 <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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