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/openbmc/linux/include/asm-generic/
H A Dmshyperv.hdiff 0cc4f6d9f0b9f20f3f1e1149bdb6737c0b4e134a Mon Oct 25 07:21:06 CDT 2021 Tianyu Lan <Tianyu.Lan@microsoft.com> x86/hyperv: Initialize GHCB page in Isolation VM

Hyperv exposes GHCB page via SEV ES GHCB MSR for SNP guest
to communicate with hypervisor. Map GHCB page for all
cpus to read/write MSR register and submit hvcall request
via ghcb page.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-2-ltykernel@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
/openbmc/linux/arch/x86/hyperv/
H A Dhv_init.cdiff 0cc4f6d9f0b9f20f3f1e1149bdb6737c0b4e134a Mon Oct 25 07:21:06 CDT 2021 Tianyu Lan <Tianyu.Lan@microsoft.com> x86/hyperv: Initialize GHCB page in Isolation VM

Hyperv exposes GHCB page via SEV ES GHCB MSR for SNP guest
to communicate with hypervisor. Map GHCB page for all
cpus to read/write MSR register and submit hvcall request
via ghcb page.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-2-ltykernel@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
/openbmc/linux/arch/x86/include/asm/
H A Dmshyperv.hdiff 0cc4f6d9f0b9f20f3f1e1149bdb6737c0b4e134a Mon Oct 25 07:21:06 CDT 2021 Tianyu Lan <Tianyu.Lan@microsoft.com> x86/hyperv: Initialize GHCB page in Isolation VM

Hyperv exposes GHCB page via SEV ES GHCB MSR for SNP guest
to communicate with hypervisor. Map GHCB page for all
cpus to read/write MSR register and submit hvcall request
via ghcb page.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-2-ltykernel@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
/openbmc/linux/arch/x86/kernel/cpu/
H A Dmshyperv.cdiff 0cc4f6d9f0b9f20f3f1e1149bdb6737c0b4e134a Mon Oct 25 07:21:06 CDT 2021 Tianyu Lan <Tianyu.Lan@microsoft.com> x86/hyperv: Initialize GHCB page in Isolation VM

Hyperv exposes GHCB page via SEV ES GHCB MSR for SNP guest
to communicate with hypervisor. Map GHCB page for all
cpus to read/write MSR register and submit hvcall request
via ghcb page.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-2-ltykernel@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>