On Tue, Jan 30, 2024 at 02:44:40PM -0600, Praveen K Paladugu wrote:
> This hypervisor type is available on a host running Microsoft Hypervisor
> and Linux as the Dom0. The Dom0 should load "mshv" drivers to expose the
> hypervisor device to userspace.
>
> Cloud-Hypervisor supports running guests on Linux Hosts with mshv as the
> hypervisor.
This is my first time hearing about the Microsoft Hypervisor with Linux
Dom0, and the docs I find via Google aren't entirely conclusive.
Am I right in thinking that "Microsoft Hypervisor" in this context is
simply Hyper-V, aka, the same hypervisor you traditionally have under
a Windows Dom0 ?
If so then I could think that we probably don't need to have a new
virDomainVirt type enum entry. We could simply use the pre-existing
VIR_DOMAIN_VIRT_HYPERV to represent this configuration in the
cloud-hypervisor configuration.
> Signed-off-by: Praveen K Paladugu <prapal@xxxxxxxxxxxxxxxxxxx>
> ---
> src/conf/domain_conf.c | 1 +
> src/conf/domain_conf.h | 1 +
> src/qemu/qemu_command.c | 1 +
> 3 files changed, 3 insertions(+)
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index fb5a5cc351..d0b33e97e6 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -122,6 +122,7 @@ VIR_ENUM_IMPL(virDomainVirt,
> "test",
> "vmware",
> "hyperv",
> + "mshv",
> "vbox",
> "phyp",
> "parallels",
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index bd283d42df..128b058161 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -136,6 +136,7 @@ typedef enum {
> VIR_DOMAIN_VIRT_TEST,
> VIR_DOMAIN_VIRT_VMWARE,
> VIR_DOMAIN_VIRT_HYPERV,
> + VIR_DOMAIN_VIRT_MSHV,
> VIR_DOMAIN_VIRT_VBOX,
> VIR_DOMAIN_VIRT_PHYP,
> VIR_DOMAIN_VIRT_PARALLELS,
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 31d42495f4..af38ade0c0 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -7184,6 +7184,7 @@ qemuBuildAccelCommandLine(virCommand *cmd,
> case VIR_DOMAIN_VIRT_TEST:
> case VIR_DOMAIN_VIRT_VMWARE:
> case VIR_DOMAIN_VIRT_HYPERV:
> + case VIR_DOMAIN_VIRT_MSHV:
> case VIR_DOMAIN_VIRT_VBOX:
> case VIR_DOMAIN_VIRT_PHYP:
> case VIR_DOMAIN_VIRT_PARALLELS:
> --
> 2.43.0
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With regards,
Daniel
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