Add SEV specific internal functions which will be used while intergrating the SEV support into QemuFwCfgLib.
Cc: Jordan Justen <jordan.l.jus...@intel.com> Cc: Laszlo Ersek <ler...@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Brijesh Singh <brijesh.si...@amd.com> --- OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibInternal.h | 36 ++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibInternal.h b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibInternal.h index 6e87c625102e..87573ff2fbe3 100644 --- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibInternal.h +++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibInternal.h @@ -43,4 +43,40 @@ InternalQemuFwCfgDmaIsAvailable ( VOID ); +/** + Returns a boolean indicating whether SEV support is enabled + + @retval TRUE SEV is enabled + @retval FALSE SEV is disabled +**/ +BOOLEAN +InternalQemuFwCfgSevIsEnabled ( + VOID + ); + +/** + Allocate a bounce buffer for SEV DMA. + + @param[in] NumPage Number of pages. + @param[out] Buffer Allocated DMA Buffer pointer + +**/ +VOID +InternalQemuFwCfgSevDmaAllocateBuffer ( + IN UINT32 NumPages, + OUT VOID **Buffer + ); + +/** + Free the DMA buffer allocated using InternalQemuFwCfgSevDmaAllocateBuffer + + @param[in] NumPage Number of pages. + @param[in] Buffer DMA Buffer pointer + +**/ +VOID +InternalQemuFwCfgSevDmaFreeBuffer ( + IN VOID *Buffer, + IN UINT32 NumPages + ); #endif -- 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
