On 7/31/24 10:08, Nikunj A Dadhania wrote: > At present, the SEV guest driver exclusively handles SNP guest messaging. > All routines for sending guest messages are embedded within the guest > driver. To support Secure TSC, SEV-SNP guests must communicate with the AMD > Security Processor during early boot. However, these guest messaging > functions are not accessible during early boot since they are currently > part of the guest driver. > > Hence, relocate the core SNP guest messaging functions to SEV common code > and provide an API for sending SNP guest messages. > > No functional change, but just an export symbol. That means we can drop the export symbol on snp_issue_guest_request() and make it static, right? > > Signed-off-by: Nikunj A Dadhania <nikunj@xxxxxxx> Reviewed-by: Tom Lendacky <thomas.lendacky@xxxxxxx> > --- > arch/x86/include/asm/sev.h | 8 + > arch/x86/coco/sev/core.c | 284 +++++++++++++++++++++++ > drivers/virt/coco/sev-guest/sev-guest.c | 286 ------------------------ > arch/x86/Kconfig | 1 + > drivers/virt/coco/sev-guest/Kconfig | 1 - > 5 files changed, 293 insertions(+), 287 deletions(-)