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/openbmc/linux/arch/x86/hyperv/
H A Divm.cdiff 08e9d12077fcc7c4c4579d7dcd8093b59b01369e Thu Aug 24 03:07:03 CDT 2023 Dexuan Cui <decui@microsoft.com> x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests

No logic change to SNP/VBS guests.

hv_isolation_type_tdx() will be used to instruct a TDX guest on Hyper-V to
do some TDX-specific operations, e.g. for a fully enlightened TDX guest
(i.e. without the paravisor), hv_do_hypercall() should use
__tdx_hypercall() and such a guest on Hyper-V should handle the Hyper-V
Event/Message/Monitor pages specially.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-2-decui@microsoft.com
/openbmc/linux/drivers/hv/
H A Dhv_common.cdiff 08e9d12077fcc7c4c4579d7dcd8093b59b01369e Thu Aug 24 03:07:03 CDT 2023 Dexuan Cui <decui@microsoft.com> x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests

No logic change to SNP/VBS guests.

hv_isolation_type_tdx() will be used to instruct a TDX guest on Hyper-V to
do some TDX-specific operations, e.g. for a fully enlightened TDX guest
(i.e. without the paravisor), hv_do_hypercall() should use
__tdx_hypercall() and such a guest on Hyper-V should handle the Hyper-V
Event/Message/Monitor pages specially.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-2-decui@microsoft.com
/openbmc/linux/include/asm-generic/
H A Dmshyperv.hdiff 08e9d12077fcc7c4c4579d7dcd8093b59b01369e Thu Aug 24 03:07:03 CDT 2023 Dexuan Cui <decui@microsoft.com> x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests

No logic change to SNP/VBS guests.

hv_isolation_type_tdx() will be used to instruct a TDX guest on Hyper-V to
do some TDX-specific operations, e.g. for a fully enlightened TDX guest
(i.e. without the paravisor), hv_do_hypercall() should use
__tdx_hypercall() and such a guest on Hyper-V should handle the Hyper-V
Event/Message/Monitor pages specially.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-2-decui@microsoft.com
/openbmc/linux/arch/x86/include/asm/
H A Dhyperv-tlfs.hdiff 08e9d12077fcc7c4c4579d7dcd8093b59b01369e Thu Aug 24 03:07:03 CDT 2023 Dexuan Cui <decui@microsoft.com> x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests

No logic change to SNP/VBS guests.

hv_isolation_type_tdx() will be used to instruct a TDX guest on Hyper-V to
do some TDX-specific operations, e.g. for a fully enlightened TDX guest
(i.e. without the paravisor), hv_do_hypercall() should use
__tdx_hypercall() and such a guest on Hyper-V should handle the Hyper-V
Event/Message/Monitor pages specially.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-2-decui@microsoft.com
H A Dmshyperv.hdiff 08e9d12077fcc7c4c4579d7dcd8093b59b01369e Thu Aug 24 03:07:03 CDT 2023 Dexuan Cui <decui@microsoft.com> x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests

No logic change to SNP/VBS guests.

hv_isolation_type_tdx() will be used to instruct a TDX guest on Hyper-V to
do some TDX-specific operations, e.g. for a fully enlightened TDX guest
(i.e. without the paravisor), hv_do_hypercall() should use
__tdx_hypercall() and such a guest on Hyper-V should handle the Hyper-V
Event/Message/Monitor pages specially.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-2-decui@microsoft.com
/openbmc/linux/arch/x86/kernel/cpu/
H A Dmshyperv.cdiff 08e9d12077fcc7c4c4579d7dcd8093b59b01369e Thu Aug 24 03:07:03 CDT 2023 Dexuan Cui <decui@microsoft.com> x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests

No logic change to SNP/VBS guests.

hv_isolation_type_tdx() will be used to instruct a TDX guest on Hyper-V to
do some TDX-specific operations, e.g. for a fully enlightened TDX guest
(i.e. without the paravisor), hv_do_hypercall() should use
__tdx_hypercall() and such a guest on Hyper-V should handle the Hyper-V
Event/Message/Monitor pages specially.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230824080712.30327-2-decui@microsoft.com