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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/cap.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>cap.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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</pre><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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