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main: provide a sensible error message when /dev/mshv is missing

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Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2020-12-09 15:39:35 +00:00 committed by Rob Bradford
parent c32959261e
commit c4f8e4b000
1 changed files with 8 additions and 1 deletions
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9
src/main.rs
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@ -25,7 +25,14 @@ use vmm_sys_util::eventfd::EventFd;
enum Error {
#[error("Failed to create API EventFd: {0}")]
CreateAPIEventFd(#[source] std::io::Error),
#[error("Failed to open hypervisor interface (is /dev/kvm available?): {0}")]
#[cfg_attr(
feature = "kvm",
error("Failed to open hypervisor interface (is /dev/kvm available?): {0}")
)]
#[cfg_attr(
feature = "mshv",
error("Failed to open hypervisor interface (is /dev/mshv available?): {0}")
)]
CreateHypervisor(#[source] hypervisor::HypervisorError),
#[error("Failed to start the VMM thread: {0}")]
StartVMMThread(#[source] vmm::Error),