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clh: runtime: add disable_image_nvdimm support

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Allow users to build using DEFDISABLEIMAGENVDIMM=true if they want to
set disable_image_nvdimm=true in configuration-clh.toml.

disable_image_nvdimm=false is the default config value.

Also, use virtio-blk instead of nvdimm if disable_image_nvdimm=true in
configuration-clh.toml.

Signed-off-by: Dan Mihai <dmihai@microsoft.com>
This commit is contained in:
Dan Mihai
2025-06-10 00:12:19 +00:00
parent 0dd9325264
commit 1aeef52bae
3 changed files with 12 additions and 2 deletions
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7
src/runtime/virtcontainers/clh.go
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@@ -570,7 +570,10 @@ func (clh *cloudHypervisor) CreateVM(ctx context.Context, id string, network Net
// Set initial amount of cpu's for the virtual machine
clh.vmconfig.Cpus = chclient.NewCpusConfig(int32(clh.config.NumVCPUs()), int32(clh.config.DefaultMaxVCPUs))
params, err := getNonUserDefinedKernelParams(hypervisorConfig.RootfsType, clh.config.ConfidentialGuest, !clh.config.ConfidentialGuest, clh.config.Debug, clh.config.ConfidentialGuest, clh.config.IOMMU)
disableNvdimm := (clh.config.DisableImageNvdimm || clh.config.ConfidentialGuest)
enableDax := !disableNvdimm
params, err := getNonUserDefinedKernelParams(hypervisorConfig.RootfsType, disableNvdimm, enableDax, clh.config.Debug, clh.config.ConfidentialGuest, clh.config.IOMMU)
if err != nil {
return err
}
@@ -590,7 +593,7 @@ func (clh *cloudHypervisor) CreateVM(ctx context.Context, id string, network Net
}
if assetType == types.ImageAsset {
if clh.config.ConfidentialGuest {
if clh.config.DisableImageNvdimm || clh.config.ConfidentialGuest {
disk := chclient.NewDiskConfig(assetPath)
disk.SetReadonly(true)