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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 15 |
1 files changed, 9 insertions, 6 deletions
@@ -258,14 +258,16 @@ NOTE: when guest is booting, CTRL-C is mapped to CTRL-], use CTRL-] to stop the # FAQ <a name="faq-1"></a> - * How do I know if hypervisor supports SEV feature ? + * <b>How do I know if hypervisor supports SEV feature ?</b> a) When using libvirt >= 4.15 run the following command ``` # virsh domcapabilities ``` - If hypervisor supports SEV feature then <b>sev</b> tag will be present. See [Libvirt DomainCapabilities feature](https://libvirt.org/formatdomaincaps.html#elementsSEV) + If hypervisor supports SEV feature then <b>sev</b> tag will be present. + + >See [Libvirt DomainCapabilities feature](https://libvirt.org/formatdomaincaps.html#elementsSEV) for additional information. b) Use qemu QMP 'query-sev-capabilities' command to check the SEV support. If SEV is supported then command will return the full SEV capabilities (which includes host PDH, cert-chain, cbitpos and reduced-phys-bits). @@ -273,7 +275,7 @@ for additional information. > See [QMP doc](https://github.com/qemu/qemu/blob/master/docs/devel/writing-qmp-commands.txt) for details on how to interact with QMP shell. <a name="faq-2"></a> - * How do I know if SEV is enabled in the guest ? + * <b>How do I know if SEV is enabled in the guest ?</b> a) Check the kernel log buffer for the following message ``` @@ -285,7 +287,8 @@ for additional information. ``` # rdmsr -a 0xc0010131 - - Bit[0] 0 = SEV is not active - 1 = SEV is active ``` + <pre> + Bit[0]: 0 = SEV is not active + 1 = SEV is active + </pre> |