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config: Adjust TDXKERNELPARAMS for different VMMs

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As Cloud Hypervisor and QEMU are using different rootfs images (the
former with `offline_fs_kbc` as aa_kbc, and the latter with `eaa_kbc`),
we need to differentiate the kernel parameters passed to each one of
those, as the `root_hash.txt` file used for measured boot will differ
according to the rootfs used.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2022-12-09 12:48:14 +01:00
parent 24c7066425
commit 788f1e6d61
3 changed files with 7 additions and 3 deletions
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6
src/runtime/Makefile
View File

@ -132,7 +132,9 @@ ROOTMEASURECONFIGTDX ?= ""
AGENT_AA_KBC_PARAMS ?= ""
AGENT_AA_KBC_PARAMS_TDX ?= ""
AGENT_AA_KBC_PARAMS_SEV ?= ""
TDXKERNELPARAMS := tdx_disable_filter $(ROOTMEASURECONFIGTDX) agent.enable_signature_verification=false $(AGENT_AA_KBC_PARAMS_TDX)
TDXKERNELPARAMS := tdx_disable_filter agent.enable_signature_verification=false $(AGENT_AA_KBC_PARAMS_TDX)
TDXKERNELPARAMS_QEMU += $(TDXKERNELPARAMS) $(ROOTMEASURECONFIGTDX)
TDXKERNELPARAMS_CLH += $(TDXKERNELPARAMS) $(ROOTMEASURECONFIG)
SEVKERNELPARAMS := $(AGENTCONFIGFILEKERNELPARAM) agent.enable_signature_verification=false $(AGENT_AA_KBC_PARAMS_SEV)
KERNELPARAMS += $(ROOTMEASURECONFIG) agent.enable_signature_verification=false $(AGENT_AA_KBC_PARAMS)
@ -519,6 +521,8 @@ USER_VARS += TDXCPUFEATURES
USER_VARS += DEFMACHINETYPE_CLH
USER_VARS += KERNELPARAMS
USER_VARS += TDXKERNELPARAMS
USER_VARS += TDXKERNELPARAMS_QEMU
USER_VARS += TDXKERNELPARAMS_CLH
USER_VARS += SEVKERNELPARAMS
USER_VARS += LIBEXECDIR
USER_VARS += LOCALSTATEDIR

2
src/runtime/config/configuration-clh-tdx.toml.in
View File

@ -70,7 +70,7 @@ valid_hypervisor_paths = @CLHVALIDHYPERVISORPATHS@
# may stop the virtual machine from booting.
# To see the list of default parameters, enable hypervisor debug, create a
# container and look for 'default-kernel-parameters' log entries.
kernel_params = "@TDXKERNELPARAMS@"
kernel_params = "@TDXKERNELPARAMS_CLH@"
# Default number of vCPUs per SB/VM:
# unspecified or 0 --> will be set to @DEFVCPUS@

2
src/runtime/config/configuration-qemu-tdx.toml.in
View File

@ -59,7 +59,7 @@ valid_hypervisor_paths = @QEMUTDXVALIDHYPERVISORPATHS@
# may stop the virtual machine from booting.
# To see the list of default parameters, enable hypervisor debug, create a
# container and look for 'default-kernel-parameters' log entries.
kernel_params = "@TDXKERNELPARAMS@"
kernel_params = "@TDXKERNELPARAMS_QEMU@"
# Path to the firmware.
# If you want that qemu uses the default firmware leave this option empty