misc: Remove unused errors from public interface

Signed-off-by: Rob Bradford <robert.bradford@intel.com>

vmm/src/cpu.rs

@@ -80,13 +80,6 @@ pub enum Error {
     /// Cannot patch the CPU ID
     PatchCpuId(anyhow::Error),
 
-    /// The call to KVM_SET_CPUID2 failed.
-    SetSupportedCpusFailed(anyhow::Error),
-
-    #[cfg(target_arch = "x86_64")]
-    /// Cannot set the local interruption due to bad configuration.
-    LocalIntConfiguration(anyhow::Error),
-
     /// Error configuring VCPU
     VcpuConfiguration(arch::Error),
 
@@ -107,63 +100,6 @@ pub enum Error {
     /// Asking for more vCPUs that we can have
     DesiredVCpuCountExceedsMax,
 
-    /// Failed to get KVM vcpu lapic.
-    VcpuGetLapic(anyhow::Error),
-
-    /// Failed to set KVM vcpu lapic.
-    VcpuSetLapic(anyhow::Error),
-
-    /// Failed to get KVM vcpu MP state.
-    VcpuGetMpState(anyhow::Error),
-
-    /// Failed to set KVM vcpu MP state.
-    VcpuSetMpState(anyhow::Error),
-
-    /// Failed to get KVM vcpu msrs.
-    VcpuGetMsrs(anyhow::Error),
-
-    /// Failed to set KVM vcpu msrs.
-    VcpuSetMsrs(anyhow::Error),
-
-    /// Failed to get KVM vcpu regs.
-    VcpuGetRegs(anyhow::Error),
-
-    /// Failed to set KVM vcpu regs.
-    VcpuSetRegs(anyhow::Error),
-
-    /// Failed to get KVM vcpu sregs.
-    VcpuGetSregs(anyhow::Error),
-
-    /// Failed to set KVM vcpu sregs.
-    VcpuSetSregs(anyhow::Error),
-
-    /// Failed to get KVM vcpu events.
-    VcpuGetVcpuEvents(anyhow::Error),
-
-    /// Failed to set KVM vcpu events.
-    VcpuSetVcpuEvents(anyhow::Error),
-
-    /// Failed to get KVM vcpu FPU.
-    VcpuGetFpu(anyhow::Error),
-
-    /// Failed to set KVM vcpu FPU.
-    VcpuSetFpu(anyhow::Error),
-
-    /// Failed to get KVM vcpu XSAVE.
-    VcpuGetXsave(anyhow::Error),
-
-    /// Failed to set KVM vcpu XSAVE.
-    VcpuSetXsave(anyhow::Error),
-
-    /// Failed to get KVM vcpu XCRS.
-    VcpuGetXcrs(anyhow::Error),
-
-    /// Failed to set KVM vcpu XCRS.
-    VcpuSetXcrs(anyhow::Error),
-
-    /// Error resuming vCPU on shutdown
-    ResumeOnShutdown(MigratableError),
-
     /// Cannot create seccomp filter
     CreateSeccompFilter(seccomp::SeccompError),
 

vmm/src/lib.rs

@@ -113,10 +113,6 @@ pub enum Error {
     #[error("Error rebooting VM: {0:?}")]
     VmReboot(VmError),
 
-    /// Cannot shut a VM down
-    #[error("Error shutting down VM: {0:?}")]
-    VmShutdown(VmError),
-
     /// Cannot create VMM thread
     #[error("Error spawning VMM thread {0:?}")]
     VmmThreadSpawn(#[source] io::Error),
@@ -125,10 +121,6 @@ pub enum Error {
     #[error("Error shutting down VMM: {0:?}")]
     VmmShutdown(VmError),
 
-    // Error following "exe" link
-    #[error("Error following \"exe\" link: {0}")]
-    ExePathReadLink(#[source] io::Error),
-
     /// Cannot create seccomp filter
     #[error("Error creating seccomp filter: {0}")]
     CreateSeccompFilter(seccomp::SeccompError),

vmm/src/memory_manager.rs

@@ -162,9 +162,6 @@ pub enum Error {
     /// Failed to allocate a memory range.
     MemoryRangeAllocation,
 
-    /// Failed to create map region
-    MmapRegion(),
-
     /// Error from region creation
     GuestMemoryRegion(MmapRegionError),
 
@@ -195,10 +192,6 @@ pub enum Error {
     /// Cannot create the system allocator
     CreateSystemAllocator,
 
-    /// The number of external backing files doesn't match the number of
-    /// memory regions.
-    InvalidAmountExternalBackingFiles,
-
     /// Invalid SGX EPC section size
     #[cfg(target_arch = "x86_64")]
     EpcSectionSizeInvalid,

vmm/src/vm.rs

@@ -132,15 +132,9 @@ pub enum Error {
     /// Cannot setup terminal in canonical mode.
     SetTerminalCanon(vmm_sys_util::errno::Error),
 
-    /// Failed parsing network parameters
-    ParseNetworkParameters,
-
     /// Memory is overflow
     MemOverflow,
 
-    /// Failed to allocate the IOAPIC memory range.
-    IoapicRangeAllocation,
-
     /// Cannot spawn a signal handler thread
     SignalHandlerSpawn(io::Error),
 
@@ -186,9 +180,6 @@ pub enum Error {
     /// Memory manager error
     MemoryManager(MemoryManagerError),
 
-    /// No PCI support
-    NoPciSupport,
-
     /// Eventfd write error
     EventfdError(std::io::Error),
 
@@ -225,9 +216,6 @@ pub enum Error {
     /// Failed resizing a memory zone.
     ResizeZone,
 
-    /// Failed setting the VmmOps interface.
-    SetVmmOpsInterface(hypervisor::HypervisorVmError),
-
     /// Cannot activate virtio devices
     ActivateVirtioDevices(device_manager::DeviceManagerError),