Run 'virsh domcapabilities' command.
# virsh domcapabilities
<domainCapabilities>
  <path>/usr/libexec/qemu-kvm</path>
  <domain>kvm</domain>
  <machine>virt-rhel10.0.0</machine>
  <arch>aarch64</arch>
  <vcpu max='384'/>
  <iothreads supported='yes'/>
  <os supported='yes'>
    <enum name='firmware'>
      <value>efi</value>
    </enum>
    <loader supported='yes'>
      <value>/usr/share/edk2/aarch64/QEMU_EFI-silent-pflash.qcow2</value>
      <value>/usr/share/edk2/aarch64/QEMU_EFI-silent-pflash.raw</value>
      <value>/usr/share/edk2/aarch64/QEMU_EFI-pflash.qcow2</value>
      <value>/usr/share/edk2/aarch64/QEMU_EFI-pflash.raw</value>
      <enum name='type'>
        <value>rom</value>
        <value>pflash</value>
      </enum>
      <enum name='readonly'>
        <value>yes</value>
        <value>no</value>
      </enum>
      <enum name='secure'>
        <value>no</value>
      </enum>
    </loader>
  </os>
  <cpu>
    <mode name='host-passthrough' supported='yes'>
      <enum name='hostPassthroughMigratable'>
        <value>off</value>
      </enum>
    </mode>
    <mode name='maximum' supported='yes'>
      <enum name='maximumMigratable'>
        <value>on</value>
        <value>off</value>
      </enum>
    </mode>
    <mode name='host-model' supported='no'/>
    <mode name='custom' supported='yes'>
      <model usable='unknown' vendor='unknown'>max</model>
      <model usable='unknown' deprecated='yes' vendor='unknown'>cortex-a57</model>
    </mode>
  </cpu>
  <memoryBacking supported='yes'>
    <enum name='sourceType'>
      <value>file</value>
      <value>anonymous</value>
      <value>memfd</value>
    </enum>
  </memoryBacking>
  <devices>
    <disk supported='yes'>
      <enum name='diskDevice'>
        <value>disk</value>
        <value>cdrom</value>
        <value>floppy</value>
        <value>lun</value>
      </enum>
      <enum name='bus'>
        <value>fdc</value>
        <value>scsi</value>
        <value>virtio</value>
        <value>usb</value>
      </enum>
      <enum name='model'>
        <value>virtio</value>
        <value>virtio-transitional</value>
        <value>virtio-non-transitional</value>
      </enum>
    </disk>
    <graphics supported='yes'>
      <enum name='type'>
        <value>vnc</value>
        <value>dbus</value>
      </enum>
    </graphics>
    <video supported='yes'>
      <enum name='modelType'>
        <value>virtio</value>
        <value>none</value>
        <value>ramfb</value>
      </enum>
    </video>
    <hostdev supported='yes'>
      <enum name='mode'>
        <value>subsystem</value>
      </enum>
      <enum name='startupPolicy'>
        <value>default</value>
        <value>mandatory</value>
        <value>requisite</value>
        <value>optional</value>
      </enum>
      <enum name='subsysType'>
        <value>usb</value>
        <value>pci</value>
        <value>scsi</value>
      </enum>
      <enum name='capsType'/>
      <enum name='pciBackend'>
        <value>default</value>
        <value>vfio</value>
      </enum>
    </hostdev>
    <rng supported='yes'>
      <enum name='model'>
        <value>virtio</value>
        <value>virtio-transitional</value>
        <value>virtio-non-transitional</value>
      </enum>
      <enum name='backendModel'>
        <value>random</value>
        <value>egd</value>
        <value>builtin</value>
      </enum>
    </rng>
    <filesystem supported='yes'>
      <enum name='driverType'>
        <value>path</value>
        <value>handle</value>
        <value>virtiofs</value>
      </enum>
    </filesystem>
    <tpm supported='yes'>
      <enum name='model'>
        <value>tpm-tis</value>
      </enum>
      <enum name='backendModel'>
        <value>emulator</value>
        <value>external</value>
      </enum>
      <enum name='backendVersion'>
        <value>2.0</value>
      </enum>
    </tpm>
    <redirdev supported='yes'>
      <enum name='bus'>
        <value>usb</value>
      </enum>
    </redirdev>
    <channel supported='yes'>
      <enum name='type'>
        <value>pty</value>
        <value>unix</value>
      </enum>
    </channel>
    <crypto supported='yes'>
      <enum name='model'/>
      <enum name='type'>
        <value>qemu</value>
      </enum>
      <enum name='backendModel'>
        <value>builtin</value>
      </enum>
    </crypto>
    <interface supported='yes'>
      <enum name='backendType'>
        <value>default</value>
        <value>passt</value>
      </enum>
    </interface>
  </devices>
  <features>
    <gic supported='yes'>
      <enum name='version'>
        <value>3</value>
      </enum>
    </gic>
    <vmcoreinfo supported='yes'/>
    <genid supported='no'/>
    <backingStoreInput supported='yes'/>
    <backup supported='yes'/>
    <async-teardown supported='yes'/>
    <ps2 supported='no'/>
    <sev supported='no'/>
    <sgx supported='no'/>
    <launchSecurity supported='no'/>
  </features>
</domainCapabilities>