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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! Definitions of KVM capabilities.</span>
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::kvm_sys</span>;
<span class="kw">use</span> <span class="ident">std::convert::Into</span>;
<span class="doccomment">/// Definition of capabilities that return a bool value indicating whether the capability is</span>
<span class="doccomment">/// supported or not.</span>
<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">u64</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">CapBool</span> {
<span class="doccomment">/// Check if capabilities can be queried on VM fds (`KVM_CAP_CHECK_EXTENSION_VM`).</span>
<span class="ident">CheckExtensionVm</span> <span class="op">=</span> <span class="ident">kvm_sys::KVM_CAP_CHECK_EXTENSION_VM</span>,
}
<span class="kw">impl</span> <span class="ident">Into</span><span class="op"><</span><span class="ident">u64</span><span class="op">></span> <span class="kw">for</span> <span class="ident">CapBool</span> {
<span class="kw">fn</span> <span class="ident">into</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">u64</span> {
<span class="self">self</span> <span class="kw">as</span> <span class="ident">u64</span>
}
}
<span class="doccomment">/// Definition of capabilities that return an integer value indicating the amount of the queried</span>
<span class="doccomment">/// capability.</span>
<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">u64</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">CapInt</span> {
<span class="doccomment">/// Get the recommended max VPCUs (`KVM_CAP_NR_VCPUS`).</span>
<span class="ident">NrVcpus</span> <span class="op">=</span> <span class="ident">kvm_sys::KVM_CAP_NR_VCPUS</span>,
<span class="doccomment">/// Get the possible max VPCUs (`KVM_CAP_MAX_VCPUS`).</span>
<span class="ident">MaxVcpus</span> <span class="op">=</span> <span class="ident">kvm_sys::KVM_CAP_MAX_VCPUS</span>,
}
<span class="kw">impl</span> <span class="ident">Into</span><span class="op"><</span><span class="ident">u64</span><span class="op">></span> <span class="kw">for</span> <span class="ident">CapInt</span> {
<span class="kw">fn</span> <span class="ident">into</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">u64</span> {
<span class="self">self</span> <span class="kw">as</span> <span class="ident">u64</span>
}
}
</pre></div>
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