diff options
author | Dov Murik <dovmurik@linux.ibm.com> | 2021-11-11 10:00:43 +0000 |
---|---|---|
committer | Daniel P. Berrangé <berrange@redhat.com> | 2021-11-18 11:07:44 +0000 |
commit | 55cdf566412695b4fc052065c7970632129cd65b (patch) | |
tree | 7926c057d9a326389875c392a2cdadc507188cd1 /qemu-options.hx | |
parent | 0055ecca84cb948c935224b4f7ca1ceb26209790 (diff) | |
download | qemu-55cdf566412695b4fc052065c7970632129cd65b.zip qemu-55cdf566412695b4fc052065c7970632129cd65b.tar.gz qemu-55cdf566412695b4fc052065c7970632129cd65b.tar.bz2 |
qapi/qom,target/i386: sev-guest: Introduce kernel-hashes=on|off option
Introduce new boolean 'kernel-hashes' option on the sev-guest object.
It will be used to to decide whether to add the hashes of
kernel/initrd/cmdline to SEV guest memory when booting with -kernel.
The default value is 'off'.
Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
Acked-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r-- | qemu-options.hx | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 7749f59..ae2c6db 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -5189,7 +5189,7 @@ SRST -object secret,id=sec0,keyid=secmaster0,format=base64,\\ data=$SECRET,iv=$(<iv.b64) - ``-object sev-guest,id=id,cbitpos=cbitpos,reduced-phys-bits=val,[sev-device=string,policy=policy,handle=handle,dh-cert-file=file,session-file=file]`` + ``-object sev-guest,id=id,cbitpos=cbitpos,reduced-phys-bits=val,[sev-device=string,policy=policy,handle=handle,dh-cert-file=file,session-file=file,kernel-hashes=on|off]`` Create a Secure Encrypted Virtualization (SEV) guest object, which can be used to provide the guest memory encryption support on AMD processors. @@ -5229,6 +5229,10 @@ SRST session with the guest owner to negotiate keys used for attestation. The file must be encoded in base64. + The ``kernel-hashes`` adds the hashes of given kernel/initrd/ + cmdline to a designated guest firmware page for measured Linux + boot with -kernel. The default is off. (Since 6.2) + e.g to launch a SEV guest .. parsed-literal:: |