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Diffstat (limited to 'src/kvm_rs')
| -rw-r--r-- | src/kvm_rs/cap.rs.html | 124 | ||||
| -rw-r--r-- | src/kvm_rs/fmt.rs.html | 450 | ||||
| -rw-r--r-- | src/kvm_rs/kvm.rs.html | 256 | ||||
| -rw-r--r-- | src/kvm_rs/kvm_sys.rs.html | 962 | ||||
| -rw-r--r-- | src/kvm_rs/lib.rs.html | 568 | ||||
| -rw-r--r-- | src/kvm_rs/vcpu.rs.html | 716 | ||||
| -rw-r--r-- | src/kvm_rs/vm.rs.html | 254 | ||||
| -rw-r--r-- | src/kvm_rs/x86_64.rs.html | 608 |
8 files changed, 1937 insertions, 2001 deletions
diff --git a/src/kvm_rs/cap.rs.html b/src/kvm_rs/cap.rs.html index 34abcf0..03bd966 100644 --- a/src/kvm_rs/cap.rs.html +++ b/src/kvm_rs/cap.rs.html @@ -1,77 +1,69 @@ -<!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="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><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="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../kvm_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> - </a><h2 class="location"></h2> - </nav> - <nav class="sidebar"><a class="sidebar-logo" href="../../kvm_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> - </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../kvm_rs/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><div id="settings-menu" tabindex="-1"> - <a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div> - </div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1">1</span> -<span id="2">2</span> -<span id="3">3</span> -<span id="4">4</span> -<span id="5">5</span> -<span id="6">6</span> -<span id="7">7</span> -<span id="8">8</span> -<span id="9">9</span> -<span id="10">10</span> -<span id="11">11</span> -<span id="12">12</span> -<span id="13">13</span> -<span id="14">14</span> -<span id="15">15</span> -<span id="16">16</span> -<span id="17">17</span> -<span id="18">18</span> -<span id="19">19</span> -<span id="20">20</span> -<span id="21">21</span> -<span id="22">22</span> -<span id="23">23</span> -<span id="24">24</span> -<span id="25">25</span> -<span id="26">26</span> -<span id="27">27</span> -<span id="28">28</span> -<span id="29">29</span> -<span id="30">30</span> -<span id="31">31</span> -<span id="32">32</span> -<span id="33">33</span> -<span id="34">34</span> -</pre><pre class="rust"><code><span class="doccomment">//! Definitions of KVM capabilities.</span> +<!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`."><title>cap.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-cb6f1f67f1bcd037.css" id="mainThemeStyle"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="kvm_rs" data-themes="" data-resource-suffix="" data-rustdoc-version="1.73.0 (cc66ad468 2023-10-03)" data-channel="1.73.0" data-search-js="search-6dfdfced5eff6596.js" data-settings-js="settings-de11bff964e9d4e5.js" data-settings-css="settings-8c76f75bfb6bd192.css" data-theme-light-css="light-1596385f77d47ef2.css" data-theme-dark-css="dark-0a43001d3fc2282c.css" data-theme-ayu-css="ayu-fd19013d6ce078bf.css" ><script src="../../static.files/storage-db41da1a38ea3cb8.js"></script><script defer src="../../static.files/src-script-3280b574d94e47b4.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-0795b7d26be81095.js"></script><noscript><link rel="stylesheet" media="(prefers-color-scheme:light)" href="../../static.files/light-1596385f77d47ef2.css"><link rel="stylesheet" media="(prefers-color-scheme:dark)" href="../../static.files/dark-0a43001d3fc2282c.css"><link rel="stylesheet" href="../../static.files/noscript-cffde32267a19fd6.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../kvm_rs/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a> +<a href="#2" id="2">2</a> +<a href="#3" id="3">3</a> +<a href="#4" id="4">4</a> +<a href="#5" id="5">5</a> +<a href="#6" id="6">6</a> +<a href="#7" id="7">7</a> +<a href="#8" id="8">8</a> +<a href="#9" id="9">9</a> +<a href="#10" id="10">10</a> +<a href="#11" id="11">11</a> +<a href="#12" id="12">12</a> +<a href="#13" id="13">13</a> +<a href="#14" id="14">14</a> +<a href="#15" id="15">15</a> +<a href="#16" id="16">16</a> +<a href="#17" id="17">17</a> +<a href="#18" id="18">18</a> +<a href="#19" id="19">19</a> +<a href="#20" id="20">20</a> +<a href="#21" id="21">21</a> +<a href="#22" id="22">22</a> +<a href="#23" id="23">23</a> +<a href="#24" id="24">24</a> +<a href="#25" id="25">25</a> +<a href="#26" id="26">26</a> +<a href="#27" id="27">27</a> +<a href="#28" id="28">28</a> +<a href="#29" id="29">29</a> +<a href="#30" id="30">30</a> +<a href="#31" id="31">31</a> +<a href="#32" id="32">32</a> +<a href="#33" id="33">33</a> +<a href="#34" id="34">34</a> +</pre></div><pre class="rust"><code><span class="doccomment">//! Definitions of KVM capabilities. -<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::kvm_sys</span>; -<span class="kw">use</span> <span class="ident">std::convert::Into</span>; +</span><span class="kw">use </span><span class="kw">crate</span>::kvm_sys; +<span class="kw">use </span>std::convert::Into; -<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="doccomment">/// Definition of capabilities that return a bool value indicating whether the capability is +/// supported or not. +</span><span class="attr">#[repr(u64)] +</span><span class="kw">pub enum </span>CapBool { + <span class="doccomment">/// Check if capabilities can be queried on VM fds (`KVM_CAP_CHECK_EXTENSION_VM`). + </span>CheckExtensionVm = kvm_sys::KVM_CAP_CHECK_EXTENSION_VM, } -<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="ident">u64</span> { - <span class="self">self</span> <span class="kw">as</span> <span class="ident">u64</span> +<span class="kw">impl </span>Into<u64> <span class="kw">for </span>CapBool { + <span class="kw">fn </span>into(<span class="self">self</span>) -> u64 { + <span class="self">self </span><span class="kw">as </span>u64 } } -<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="doccomment">/// Definition of capabilities that return an integer value indicating the amount of the queried +/// capability. +</span><span class="attr">#[repr(u64)] +</span><span class="kw">pub enum </span>CapInt { + <span class="doccomment">/// Get the recommended max VPCUs (`KVM_CAP_NR_VCPUS`). + </span>NrVcpus = kvm_sys::KVM_CAP_NR_VCPUS, + <span class="doccomment">/// Get the possible max VPCUs (`KVM_CAP_MAX_VCPUS`). + </span>MaxVcpus = kvm_sys::KVM_CAP_MAX_VCPUS, } -<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="ident">u64</span> { - <span class="self">self</span> <span class="kw">as</span> <span class="ident">u64</span> +<span class="kw">impl </span>Into<u64> <span class="kw">for </span>CapInt { + <span class="kw">fn </span>into(<span class="self">self</span>) -> u64 { + <span class="self">self </span><span class="kw">as </span>u64 } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
\ No newline at end of file diff --git a/src/kvm_rs/fmt.rs.html b/src/kvm_rs/fmt.rs.html index dffb60f..4b49d36 100644 --- a/src/kvm_rs/fmt.rs.html +++ b/src/kvm_rs/fmt.rs.html @@ -1,239 +1,233 @@ -<!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/fmt.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>fmt.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../kvm_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> - </a><h2 class="location"></h2> - </nav> - <nav class="sidebar"><a class="sidebar-logo" href="../../kvm_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> - </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../kvm_rs/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" 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class="kw">crate</span>::x86_64</span>::<span class="kw-2">*</span>; +<span class="kw">use </span><span class="kw">crate</span>::kvm_sys::{kvm_dtable, kvm_regs, kvm_segment, kvm_sregs}; +<span class="kw">use </span><span class="kw">crate</span>::x86_64::<span class="kw-2">*</span>; -<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">kvm_regs</span> { - <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="ident">fmt::Result</span> { +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>kvm_regs { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { <span class="macro">write!</span>( - <span class="ident">f</span>, + f, <span class="string">"rax: {:#018x} rbx: {:#018x} rcx: {:#018x} rdx: {:#018x}\n\ rsi: {:#018x} rdi: {:#018x}\n\ r8 : {:#018x} r9 : {:#018x} r10: {:#018x} r11: {:#018x}\n\ r12: {:#018x} r13: {:#018x} r14: {:#018x} r15: {:#018x}\n\ rsp: {:#018x} rbp: {:#018x}\n\ rip: {:#018x} rfl: {:#018x} O({}) D({}) I({}) T({}) S({}) Z({}) P({}) C({})"</span>, - <span class="self">self</span>.<span class="ident">rax</span>, - <span class="self">self</span>.<span class="ident">rbx</span>, - <span class="self">self</span>.<span class="ident">rcx</span>, - <span class="self">self</span>.<span class="ident">rdx</span>, - <span class="self">self</span>.<span class="ident">rsi</span>, - <span class="self">self</span>.<span class="ident">rdi</span>, - <span class="self">self</span>.<span class="ident">r8</span>, - <span class="self">self</span>.<span class="ident">r9</span>, - <span class="self">self</span>.<span class="ident">r10</span>, - <span class="self">self</span>.<span class="ident">r11</span>, - <span class="self">self</span>.<span class="ident">r12</span>, - <span class="self">self</span>.<span class="ident">r13</span>, - <span class="self">self</span>.<span class="ident">r14</span>, - <span class="self">self</span>.<span class="ident">r15</span>, - <span class="self">self</span>.<span class="ident">rsp</span>, - <span class="self">self</span>.<span class="ident">rbp</span>, - <span class="self">self</span>.<span class="ident">rip</span>, - <span class="self">self</span>.<span class="ident">rflags</span>, - <span class="ident">rflags_of</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_df</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_if</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_tf</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_sf</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_zf</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_pf</span>(<span class="self">self</span>.<span class="ident">rflags</span>), - <span class="ident">rflags_cf</span>(<span class="self">self</span>.<span class="ident">rflags</span>), + <span class="self">self</span>.rax, + <span class="self">self</span>.rbx, + <span class="self">self</span>.rcx, + <span class="self">self</span>.rdx, + <span class="self">self</span>.rsi, + <span class="self">self</span>.rdi, + <span class="self">self</span>.r8, + <span class="self">self</span>.r9, + <span class="self">self</span>.r10, + <span class="self">self</span>.r11, + <span class="self">self</span>.r12, + <span class="self">self</span>.r13, + <span class="self">self</span>.r14, + <span class="self">self</span>.r15, + <span class="self">self</span>.rsp, + <span class="self">self</span>.rbp, + <span class="self">self</span>.rip, + <span class="self">self</span>.rflags, + rflags_of(<span class="self">self</span>.rflags), + rflags_df(<span class="self">self</span>.rflags), + rflags_if(<span class="self">self</span>.rflags), + rflags_tf(<span class="self">self</span>.rflags), + rflags_sf(<span class="self">self</span>.rflags), + rflags_zf(<span class="self">self</span>.rflags), + rflags_pf(<span class="self">self</span>.rflags), + rflags_cf(<span class="self">self</span>.rflags), ) } } -<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">kvm_segment</span> { - <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="ident">fmt::Result</span> { - <span class="kw">if</span> <span class="self">self</span>.<span class="ident">present</span> <span class="op">==</span> <span class="number">0</span> { - <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">"{:#04x} P(0)"</span>, <span class="self">self</span>.<span class="ident">selector</span>) - } <span class="kw">else</span> { +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>kvm_segment { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { + <span class="kw">if </span><span class="self">self</span>.present == <span class="number">0 </span>{ + <span class="macro">write!</span>(f, <span class="string">"{:#04x} P(0)"</span>, <span class="self">self</span>.selector) + } <span class="kw">else </span>{ <span class="macro">write!</span>( - <span class="ident">f</span>, + f, <span class="string">"{:#06x} T({}) RPL({}) BASE({:#010x}) LIMIT({:#07x}) P(1) S({}) DPL({}) DB({}) L({}) TYPE({})"</span>, - <span class="self">self</span>.<span class="ident">selector</span>, - <span class="kw">if</span> <span class="ident">seg_selector_ti</span>(<span class="self">self</span>.<span class="ident">selector</span>) <span class="op">==</span> <span class="number">0</span> { - <span class="string">"GDT"</span> - } <span class="kw">else</span> { - <span class="string">"LDT"</span> - }, - <span class="ident">seg_selector_rpl</span>(<span class="self">self</span>.<span class="ident">selector</span>), - <span class="self">self</span>.<span class="ident">base</span>, - <span class="self">self</span>.<span class="ident">limit</span>, - <span class="self">self</span>.<span class="ident">s</span>, - <span class="self">self</span>.<span class="ident">dpl</span>, - <span class="self">self</span>.<span class="ident">db</span>, - <span class="self">self</span>.<span class="ident">l</span>, - <span class="kw">match</span> <span class="self">self</span>.<span class="ident">type_</span> { - <span class="number">0</span> => <span class="string">"D:R---"</span>, - <span class="number">1</span> => <span class="string">"D:R-A-"</span>, - <span class="number">2</span> => <span class="string">"D:RW--"</span>, - <span class="number">3</span> => <span class="string">"D:RWA-"</span>, - <span class="number">4</span> => <span class="string">"D:R--E"</span>, - <span class="number">5</span> => <span class="string">"D:R-AE"</span>, - <span class="number">6</span> => <span class="string">"D:RW-E"</span>, - <span class="number">7</span> => <span class="string">"D:RWAE"</span>, - <span class="number">8</span> => <span class="string">"C:X---"</span>, - <span class="number">9</span> => <span class="string">"C:X-A-"</span>, - <span class="number">10</span> => <span class="string">"C:XR--"</span>, - <span class="number">11</span> => <span class="string">"C:XRA-"</span>, - <span class="number">12</span> => <span class="string">"C:X--C"</span>, - <span class="number">13</span> => <span class="string">"C:X-AC"</span>, - <span class="number">14</span> => <span class="string">"C:XR-C"</span>, - <span class="number">15</span> => <span class="string">"C:XRAC"</span>, - <span class="kw">_</span> => <span class="macro">unreachable!</span>(), + <span class="self">self</span>.selector, + <span class="kw">if </span>seg_selector_ti(<span class="self">self</span>.selector) == <span class="number">0 </span>{ + <span class="string">"GDT" + </span>} <span class="kw">else </span>{ + <span class="string">"LDT" + </span>}, + seg_selector_rpl(<span class="self">self</span>.selector), + <span class="self">self</span>.base, + <span class="self">self</span>.limit, + <span class="self">self</span>.s, + <span class="self">self</span>.dpl, + <span class="self">self</span>.db, + <span class="self">self</span>.l, + <span class="kw">match </span><span class="self">self</span>.type_ { + <span class="number">0 </span>=> <span class="string">"D:R---"</span>, + <span class="number">1 </span>=> <span class="string">"D:R-A-"</span>, + <span class="number">2 </span>=> <span class="string">"D:RW--"</span>, + <span class="number">3 </span>=> <span class="string">"D:RWA-"</span>, + <span class="number">4 </span>=> <span class="string">"D:R--E"</span>, + <span class="number">5 </span>=> <span class="string">"D:R-AE"</span>, + <span class="number">6 </span>=> <span class="string">"D:RW-E"</span>, + <span class="number">7 </span>=> <span class="string">"D:RWAE"</span>, + <span class="number">8 </span>=> <span class="string">"C:X---"</span>, + <span class="number">9 </span>=> <span class="string">"C:X-A-"</span>, + <span class="number">10 </span>=> <span class="string">"C:XR--"</span>, + <span class="number">11 </span>=> <span class="string">"C:XRA-"</span>, + <span class="number">12 </span>=> <span class="string">"C:X--C"</span>, + <span class="number">13 </span>=> <span class="string">"C:X-AC"</span>, + <span class="number">14 </span>=> <span class="string">"C:XR-C"</span>, + <span class="number">15 </span>=> <span class="string">"C:XRAC"</span>, + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), } ) } } } -<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">kvm_dtable</span> { - <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="ident">fmt::Result</span> { - <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">"BASE({:#018x}) LIMIT({:#07x})"</span>, <span class="self">self</span>.<span class="ident">base</span>, <span class="self">self</span>.<span class="ident">limit</span>) +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>kvm_dtable { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { + <span class="macro">write!</span>(f, <span class="string">"BASE({:#018x}) LIMIT({:#07x})"</span>, <span class="self">self</span>.base, <span class="self">self</span>.limit) } } -<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">kvm_sregs</span> { - <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="ident">fmt::Result</span> { +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>kvm_sregs { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { <span class="macro">write!</span>( - <span class="ident">f</span>, + f, <span class="string">"cs : {}\n\ ds : {}\n\ es : {}\n\ @@ -246,24 +240,22 @@ idt : {}\n\ cr0 : {:#018x} cr2: {:#018x} cr3: {:#018x} cr4: {:#018x}\n\ efer: {:#018x}"</span>, - <span class="self">self</span>.<span class="ident">cs</span>, - <span class="self">self</span>.<span class="ident">ds</span>, - <span class="self">self</span>.<span class="ident">es</span>, - <span class="self">self</span>.<span class="ident">fs</span>, - <span class="self">self</span>.<span class="ident">gs</span>, - <span class="self">self</span>.<span class="ident">ss</span>, - <span class="self">self</span>.<span class="ident">tr</span>, - <span class="self">self</span>.<span class="ident">ldt</span>, - <span class="self">self</span>.<span class="ident">gdt</span>, - <span class="self">self</span>.<span class="ident">idt</span>, - <span class="self">self</span>.<span class="ident">cr0</span>, - <span class="self">self</span>.<span class="ident">cr2</span>, - <span class="self">self</span>.<span class="ident">cr3</span>, - <span class="self">self</span>.<span class="ident">cr4</span>, - <span class="self">self</span>.<span class="ident">efer</span>, + <span class="self">self</span>.cs, + <span class="self">self</span>.ds, + <span class="self">self</span>.es, + <span class="self">self</span>.fs, + <span class="self">self</span>.gs, + <span class="self">self</span>.ss, + <span class="self">self</span>.tr, + <span class="self">self</span>.ldt, + <span class="self">self</span>.gdt, + <span class="self">self</span>.idt, + <span class="self">self</span>.cr0, + <span class="self">self</span>.cr2, + <span class="self">self</span>.cr3, + <span class="self">self</span>.cr4, + <span class="self">self</span>.efer, ) } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
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KVM system ioctls.</span> +<!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/kvm.rs`."><title>kvm.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-cb6f1f67f1bcd037.css" id="mainThemeStyle"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="kvm_rs" data-themes="" data-resource-suffix="" data-rustdoc-version="1.73.0 (cc66ad468 2023-10-03)" data-channel="1.73.0" data-search-js="search-6dfdfced5eff6596.js" data-settings-js="settings-de11bff964e9d4e5.js" data-settings-css="settings-8c76f75bfb6bd192.css" data-theme-light-css="light-1596385f77d47ef2.css" data-theme-dark-css="dark-0a43001d3fc2282c.css" data-theme-ayu-css="ayu-fd19013d6ce078bf.css" ><script src="../../static.files/storage-db41da1a38ea3cb8.js"></script><script defer src="../../static.files/src-script-3280b574d94e47b4.js"></script><script defer src="../../src-files.js"></script><script defer 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src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a> +<a href="#2" id="2">2</a> +<a href="#3" id="3">3</a> +<a href="#4" id="4">4</a> +<a href="#5" id="5">5</a> +<a href="#6" id="6">6</a> +<a href="#7" id="7">7</a> +<a href="#8" id="8">8</a> +<a href="#9" id="9">9</a> +<a href="#10" id="10">10</a> +<a href="#11" id="11">11</a> +<a href="#12" id="12">12</a> +<a href="#13" id="13">13</a> +<a href="#14" id="14">14</a> +<a href="#15" id="15">15</a> +<a href="#16" id="16">16</a> +<a href="#17" id="17">17</a> +<a href="#18" id="18">18</a> +<a href="#19" id="19">19</a> +<a href="#20" id="20">20</a> +<a href="#21" id="21">21</a> +<a href="#22" id="22">22</a> +<a href="#23" id="23">23</a> +<a href="#24" id="24">24</a> +<a href="#25" id="25">25</a> +<a href="#26" id="26">26</a> +<a href="#27" id="27">27</a> +<a href="#28" id="28">28</a> +<a href="#29" id="29">29</a> +<a href="#30" id="30">30</a> +<a href="#31" id="31">31</a> +<a href="#32" id="32">32</a> +<a href="#33" id="33">33</a> +<a href="#34" id="34">34</a> +<a href="#35" id="35">35</a> +<a href="#36" id="36">36</a> +<a href="#37" id="37">37</a> +<a href="#38" id="38">38</a> +<a href="#39" id="39">39</a> +<a href="#40" id="40">40</a> +<a href="#41" id="41">41</a> +<a href="#42" id="42">42</a> +<a href="#43" id="43">43</a> +<a href="#44" id="44">44</a> +<a href="#45" id="45">45</a> +<a href="#46" id="46">46</a> +<a href="#47" id="47">47</a> +<a href="#48" id="48">48</a> +<a href="#49" id="49">49</a> +<a href="#50" id="50">50</a> +<a href="#51" id="51">51</a> +<a href="#52" id="52">52</a> +<a href="#53" id="53">53</a> +<a href="#54" id="54">54</a> +<a href="#55" id="55">55</a> +<a href="#56" id="56">56</a> +<a href="#57" id="57">57</a> +<a href="#58" id="58">58</a> +<a href="#59" id="59">59</a> +<a href="#60" id="60">60</a> +<a href="#61" id="61">61</a> +<a href="#62" id="62">62</a> +<a href="#63" id="63">63</a> +<a href="#64" id="64">64</a> +<a href="#65" id="65">65</a> +<a href="#66" id="66">66</a> +<a href="#67" id="67">67</a> +<a href="#68" id="68">68</a> +<a href="#69" id="69">69</a> +<a href="#70" id="70">70</a> +<a href="#71" id="71">71</a> +<a href="#72" id="72">72</a> +<a href="#73" id="73">73</a> +</pre></div><pre class="rust"><code><span class="doccomment">//! KVM system ioctls. -<span class="kw">use</span> <span class="ident">std::fs</span>; -<span class="kw">use</span> <span class="ident">std::io</span>; -<span class="kw">use</span> <span class="ident">std::os::unix::io::FromRawFd</span>; +</span><span class="kw">use </span>std::fs; +<span class="kw">use </span>std::io; +<span class="kw">use </span>std::os::unix::io::FromRawFd; -<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::cap</span>::{<span class="ident">CapBool</span>, <span class="ident">CapInt</span>}; -<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::vm::Vm</span>; -<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">ioctl</span>, <span class="ident">kvm_sys</span>, <span class="ident">libcret</span>}; +<span class="kw">use </span><span class="kw">crate</span>::cap::{CapBool, CapInt}; +<span class="kw">use </span><span class="kw">crate</span>::vm::Vm; +<span class="kw">use crate</span>::{ioctl, kvm_sys, libcret}; -<span class="doccomment">/// Wrapper for `/dev/kvm` ioctls.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// Representation of the file descriptor obtained by opening `/dev/kvm`.</span> -<span class="doccomment">/// This wrapper provides access to the `system ioctls` as described in [KVM API][kvm].</span> -<span class="doccomment">///</span> -<span class="doccomment">/// [kvm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#general-description</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Kvm</span> { - <span class="ident">kvm</span>: <span class="ident">fs::File</span>, +<span class="doccomment">/// Wrapper for `/dev/kvm` ioctls. +/// +/// Representation of the file descriptor obtained by opening `/dev/kvm`. +/// This wrapper provides access to the `system ioctls` as described in [KVM API][kvm]. +/// +/// [kvm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#general-description +</span><span class="kw">pub struct </span>Kvm { + kvm: fs::File, } -<span class="kw">impl</span> <span class="ident">Kvm</span> { - <span class="doccomment">/// Open the `/dev/kvm` device.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">Kvm</span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">kvm</span> <span class="op">=</span> <span class="ident">libcret</span>(<span class="kw">unsafe</span> { - <span class="ident">libc::open</span>(<span class="string">"/dev/kvm\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(), <span class="ident">libc::O_RDWR</span> <span class="op">|</span> <span class="ident">libc::O_CLOEXEC</span>) +<span class="kw">impl </span>Kvm { + <span class="doccomment">/// Open the `/dev/kvm` device. + </span><span class="kw">pub fn </span>new() -> io::Result<Kvm> { + <span class="kw">let </span>kvm = libcret(<span class="kw">unsafe </span>{ + libc::open(<span class="string">"/dev/kvm\0"</span>.as_ptr().cast(), libc::O_RDWR | libc::O_CLOEXEC) }) - .<span class="ident">map</span>(<span class="op">|</span><span class="ident">fd</span><span class="op">|</span> <span class="kw">unsafe</span> { <span class="ident">fs::File::from_raw_fd</span>(<span class="ident">fd</span>) })<span class="question-mark">?</span>; + .map(|fd| <span class="kw">unsafe </span>{ fs::File::from_raw_fd(fd) })<span class="question-mark">?</span>; <span class="macro">assert_eq!</span>( - <span class="ident">kvm_sys::KVM_API_VERSION</span>, - <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="ident">kvm</span>, <span class="ident">kvm_sys::KVM_GET_API_VERSION</span>, <span class="number">0</span>)<span class="question-mark">?</span> - ); + kvm_sys::KVM_API_VERSION, + ioctl(<span class="kw-2">&</span>kvm, kvm_sys::KVM_GET_API_VERSION, <span class="number">0</span>)<span class="question-mark">? + </span>); - <span class="prelude-val">Ok</span>(<span class="ident">Kvm</span> { <span class="ident">kvm</span> }) + <span class="prelude-val">Ok</span>(Kvm { kvm }) } - <span class="kw">fn</span> <span class="ident">get_vpcu_mmap_size</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { - <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">kvm</span>, <span class="ident">kvm_sys::KVM_GET_VCPU_MMAP_SIZE</span>, <span class="number">0</span>).<span class="ident">map</span>(<span class="op">|</span><span class="ident">size</span><span class="op">|</span> <span class="ident">size</span> <span class="kw">as</span> <span class="ident">usize</span>) + <span class="kw">fn </span>get_vpcu_mmap_size(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<usize> { + ioctl(<span class="kw-2">&</span><span class="self">self</span>.kvm, kvm_sys::KVM_GET_VCPU_MMAP_SIZE, <span class="number">0</span>).map(|size| size <span class="kw">as </span>usize) } - <span class="doccomment">/// Create a new virtual machine with the [`KVM_CREATE_VM`][kvm-create-vm] ioctl.</span> - <span class="doccomment">/// Returns a wrapper [`vm::Vm`][crate::vm::Vm] representing the VM.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-create-vm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vm</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">create_vm</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">Vm</span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">vm</span> <span class="op">=</span> <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">kvm</span>, <span class="ident">kvm_sys::KVM_CREATE_VM</span>, <span class="number">0</span> <span class="comment">/* machine id */</span>) - .<span class="ident">map</span>(<span class="op">|</span><span class="ident">fd</span><span class="op">|</span> <span class="kw">unsafe</span> { <span class="ident">fs::File::from_raw_fd</span>(<span class="ident">fd</span>) })<span class="question-mark">?</span>; + <span class="doccomment">/// Create a new virtual machine with the [`KVM_CREATE_VM`][kvm-create-vm] ioctl. + /// Returns a wrapper [`vm::Vm`][crate::vm::Vm] representing the VM. + /// + /// [kvm-create-vm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vm + </span><span class="kw">pub fn </span>create_vm(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<Vm> { + <span class="kw">let </span>vm = ioctl(<span class="kw-2">&</span><span class="self">self</span>.kvm, kvm_sys::KVM_CREATE_VM, <span class="number">0 </span><span class="comment">/* machine id */</span>) + .map(|fd| <span class="kw">unsafe </span>{ fs::File::from_raw_fd(fd) })<span class="question-mark">?</span>; - <span class="kw">let</span> <span class="ident">vcpu_mmap_size</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_vpcu_mmap_size</span>()<span class="question-mark">?</span>; + <span class="kw">let </span>vcpu_mmap_size = <span class="self">self</span>.get_vpcu_mmap_size()<span class="question-mark">?</span>; - <span class="prelude-val">Ok</span>(<span class="ident">Vm::new</span>(<span class="ident">vm</span>, <span class="ident">vcpu_mmap_size</span>)) + <span class="prelude-val">Ok</span>(Vm::new(vm, vcpu_mmap_size)) } - <span class="doccomment">/// Check availability of an extension with the [`KVM_CHECK_EXTENSION`][kvm-check-extension]</span> - <span class="doccomment">/// ioctl.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-check-extension]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-check-extension</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">check_extenstion</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">cap</span>: <span class="ident">CapBool</span>) -> <span class="ident">bool</span> { - <span class="kw">let</span> <span class="ident">ret</span> <span class="op">=</span> <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">kvm</span>, <span class="ident">kvm_sys::KVM_CHECK_EXTENSION</span>, <span class="ident">cap</span>.<span class="ident">into</span>()); + <span class="doccomment">/// Check availability of an extension with the [`KVM_CHECK_EXTENSION`][kvm-check-extension] + /// ioctl. + /// + /// [kvm-check-extension]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-check-extension + </span><span class="kw">pub fn </span>check_extenstion(<span class="kw-2">&</span><span class="self">self</span>, cap: CapBool) -> bool { + <span class="kw">let </span>ret = ioctl(<span class="kw-2">&</span><span class="self">self</span>.kvm, kvm_sys::KVM_CHECK_EXTENSION, cap.into()); - <span class="macro">matches!</span>(<span class="ident">ret</span>, <span class="prelude-val">Ok</span>(<span class="ident">ret</span>) <span class="kw">if</span> <span class="ident">ret</span> <span class="op">></span> <span class="number">0</span>) + <span class="macro">matches!</span>(ret, <span class="prelude-val">Ok</span>(ret) <span class="kw">if </span>ret > <span class="number">0</span>) } - <span class="doccomment">/// Check availability of an extension with the [`KVM_CHECK_EXTENSION`][kvm-check-extension]</span> - <span class="doccomment">/// ioctl.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-check-extension]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-check-extension</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">check_extenstion_int</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">cap</span>: <span class="ident">CapInt</span>) -> <span class="ident">i32</span> { - <span class="kw">let</span> <span class="ident">ret</span> <span class="op">=</span> <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">kvm</span>, <span class="ident">kvm_sys::KVM_CHECK_EXTENSION</span>, <span class="ident">cap</span>.<span class="ident">into</span>()); + <span class="doccomment">/// Check availability of an extension with the [`KVM_CHECK_EXTENSION`][kvm-check-extension] + /// ioctl. + /// + /// [kvm-check-extension]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-check-extension + </span><span class="kw">pub fn </span>check_extenstion_int(<span class="kw-2">&</span><span class="self">self</span>, cap: CapInt) -> i32 { + <span class="kw">let </span>ret = ioctl(<span class="kw-2">&</span><span class="self">self</span>.kvm, kvm_sys::KVM_CHECK_EXTENSION, cap.into()); - <span class="ident">ret</span>.<span class="ident">unwrap_or</span>(<span class="number">0</span>) + ret.unwrap_or(<span class="number">0</span>) } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
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Definitions of the system header [`<linux/kvm.h>`][kvm-h].</span> -<span class="doccomment">//!</span> -<span class="doccomment">//! [kvm-h]: https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/kvm.h</span> +<!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/kvm_sys.rs`."><title>kvm_sys.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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Definitions of the system header [`<linux/kvm.h>`][kvm-h]. +//! +//! [kvm-h]: https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/kvm.h -<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span> -<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_camel_case_types</span>)]</span> -<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span> +</span><span class="attr">#![allow(non_snake_case)] +#![allow(non_camel_case_types)] +#![allow(dead_code)] -<span class="comment">// Generated by `build.rs`.</span> -<span class="macro">include!</span>(<span class="macro">concat!</span>(<span class="macro">env!</span>(<span class="string">"OUT_DIR"</span>), <span class="string">"/kvm_constants.rs"</span>)); +</span><span class="comment">// Generated by `build.rs`. +</span><span class="macro">include!</span>(<span class="macro">concat!</span>(<span class="macro">env!</span>(<span class="string">"OUT_DIR"</span>), <span class="string">"/kvm_constants.rs"</span>)); -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">kvm_regs</span> { - <span class="kw">pub</span> <span class="ident">rax</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rbx</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rcx</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rdx</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rsi</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rdi</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rsp</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rbp</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r8</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r9</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r10</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r11</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r12</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r13</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r14</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">r15</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rip</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">rflags</span>: <span class="ident">u64</span>, +<span class="attr">#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub struct </span>kvm_regs { + <span class="kw">pub </span>rax: u64, + <span class="kw">pub </span>rbx: u64, + <span class="kw">pub </span>rcx: u64, + <span class="kw">pub </span>rdx: u64, + <span class="kw">pub </span>rsi: u64, + <span class="kw">pub </span>rdi: u64, + <span class="kw">pub </span>rsp: u64, + <span class="kw">pub </span>rbp: u64, + <span class="kw">pub </span>r8: u64, + <span class="kw">pub </span>r9: u64, + <span class="kw">pub </span>r10: u64, + <span class="kw">pub </span>r11: u64, + <span class="kw">pub </span>r12: u64, + <span class="kw">pub </span>r13: u64, + <span class="kw">pub </span>r14: u64, + <span class="kw">pub </span>r15: u64, + <span class="kw">pub </span>rip: u64, + <span class="kw">pub </span>rflags: u64, } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">kvm_segment</span> { - <span class="kw">pub</span> <span class="ident">base</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">limit</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">selector</span>: <span class="ident">u16</span>, - <span class="kw">pub</span> <span class="ident">type_</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">present</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">dpl</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">db</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">s</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">l</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">g</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">avl</span>: <span class="ident">u8</span>, - <span class="ident">unusable</span>: <span class="ident">u8</span>, - <span class="ident">_padding</span>: <span class="ident">u8</span>, +<span class="attr">#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub struct </span>kvm_segment { + <span class="kw">pub </span>base: u64, + <span class="kw">pub </span>limit: u32, + <span class="kw">pub </span>selector: u16, + <span class="kw">pub </span>type_: u8, + <span class="kw">pub </span>present: u8, + <span class="kw">pub </span>dpl: u8, + <span class="kw">pub </span>db: u8, + <span class="kw">pub </span>s: u8, + <span class="kw">pub </span>l: u8, + <span class="kw">pub </span>g: u8, + <span class="kw">pub </span>avl: u8, + unusable: u8, + _padding: u8, } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">kvm_dtable</span> { - <span class="kw">pub</span> <span class="ident">base</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">limit</span>: <span class="ident">u16</span>, - <span class="ident">_padding</span>: [<span class="ident">u16</span>; <span class="number">3</span>], +<span class="attr">#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub struct </span>kvm_dtable { + <span class="kw">pub </span>base: u64, + <span class="kw">pub </span>limit: u16, + _padding: [u16; <span class="number">3</span>], } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">kvm_sregs</span> { - <span class="kw">pub</span> <span class="ident">cs</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">ds</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">es</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">fs</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">gs</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">ss</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">tr</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">ldt</span>: <span class="ident">kvm_segment</span>, - <span class="kw">pub</span> <span class="ident">gdt</span>: <span class="ident">kvm_dtable</span>, - <span class="kw">pub</span> <span class="ident">idt</span>: <span class="ident">kvm_dtable</span>, - <span class="kw">pub</span> <span class="ident">cr0</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">cr2</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">cr3</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">cr4</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">cr8</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">efer</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">apic_base</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">interrupt_bitmap</span>: [<span class="ident">u64</span>; <span class="number">4</span>], +<span class="attr">#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub struct </span>kvm_sregs { + <span class="kw">pub </span>cs: kvm_segment, + <span class="kw">pub </span>ds: kvm_segment, + <span class="kw">pub </span>es: kvm_segment, + <span class="kw">pub </span>fs: kvm_segment, + <span class="kw">pub </span>gs: kvm_segment, + <span class="kw">pub </span>ss: kvm_segment, + <span class="kw">pub </span>tr: kvm_segment, + <span class="kw">pub </span>ldt: kvm_segment, + <span class="kw">pub </span>gdt: kvm_dtable, + <span class="kw">pub </span>idt: kvm_dtable, + <span class="kw">pub </span>cr0: u64, + <span class="kw">pub </span>cr2: u64, + <span class="kw">pub </span>cr3: u64, + <span class="kw">pub </span>cr4: u64, + <span class="kw">pub </span>cr8: u64, + <span class="kw">pub </span>efer: u64, + <span class="kw">pub </span>apic_base: u64, + <span class="kw">pub </span>interrupt_bitmap: [u64; <span class="number">4</span>], } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_userspace_memory_region</span> { - <span class="kw">pub</span> <span class="ident">slot</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">flags</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">guest_phys_addr</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">memory_size</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">userspace_addr</span>: <span class="ident">u64</span>, +<span class="attr">#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_userspace_memory_region { + <span class="kw">pub </span>slot: u32, + <span class="kw">pub </span>flags: u32, + <span class="kw">pub </span>guest_phys_addr: u64, + <span class="kw">pub </span>memory_size: u64, + <span class="kw">pub </span>userspace_addr: u64, } -<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">kvm_debugregs</span> { - <span class="kw">pub</span> <span class="ident">db</span>: [<span class="ident">u64</span>; <span class="number">4</span>], - <span class="kw">pub</span> <span class="ident">dr6</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">dr7</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">flags</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">reserved</span>: [<span class="ident">u64</span>; <span class="number">9</span>], +<span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] +#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub struct </span>kvm_debugregs { + <span class="kw">pub </span>db: [u64; <span class="number">4</span>], + <span class="kw">pub </span>dr6: u64, + <span class="kw">pub </span>dr7: u64, + <span class="kw">pub </span>flags: u64, + <span class="kw">pub </span>reserved: [u64; <span class="number">9</span>], } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_guest_debug</span> { - <span class="kw">pub</span> <span class="ident">control</span>: <span class="ident">u32</span>, - <span class="ident">pad</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">arch</span>: <span class="ident">kvm_guest_debug_arch</span>, +<span class="attr">#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_guest_debug { + <span class="kw">pub </span>control: u32, + pad: u32, + <span class="kw">pub </span>arch: kvm_guest_debug_arch, } -<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_guest_debug_arch</span> { - <span class="kw">pub</span> <span class="ident">debugreg</span>: [<span class="ident">u64</span>; <span class="number">8</span>], +<span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] +#[repr(C)] +#[derive(Default, Debug)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_guest_debug_arch { + <span class="kw">pub </span>debugreg: [u64; <span class="number">8</span>], } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_run</span> { - <span class="ident">request_interrupt_window</span>: <span class="ident">u8</span>, - <span class="ident">immediate_exit</span>: <span class="ident">u8</span>, - <span class="ident">padding1</span>: [<span class="ident">u8</span>; <span class="number">6</span>], - <span class="kw">pub</span> <span class="ident">exit_reason</span>: <span class="ident">u32</span>, - <span class="ident">ready_for_interrupt_injection</span>: <span class="ident">u8</span>, - <span class="ident">if_flag</span>: <span class="ident">u8</span>, - <span class="ident">flags</span>: <span class="ident">u16</span>, - <span class="ident">cr8</span>: <span class="ident">u64</span>, - <span class="ident">apic_base</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">inner</span>: <span class="ident">kvm_run_union</span>, - <span class="ident">kvm_valid_regs</span>: <span class="ident">u64</span>, - <span class="ident">kvm_dirty_regs</span>: <span class="ident">u64</span>, - <span class="ident">s</span>: <span class="ident">kvm_run_union_s</span>, +<span class="attr">#[repr(C)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_run { + request_interrupt_window: u8, + immediate_exit: u8, + padding1: [u8; <span class="number">6</span>], + <span class="kw">pub </span>exit_reason: u32, + ready_for_interrupt_injection: u8, + if_flag: u8, + flags: u16, + cr8: u64, + apic_base: u64, + <span class="kw">pub </span>inner: kvm_run_union, + kvm_valid_regs: u64, + kvm_dirty_regs: u64, + s: kvm_run_union_s, } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_run_io</span> { - <span class="kw">pub</span> <span class="ident">direction</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">size</span>: <span class="ident">u8</span>, - <span class="kw">pub</span> <span class="ident">port</span>: <span class="ident">u16</span>, - <span class="kw">pub</span> <span class="ident">count</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">data_offset</span>: <span class="ident">u64</span>, +<span class="attr">#[repr(C)] +#[derive(Copy, Clone, Debug)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_run_io { + <span class="kw">pub </span>direction: u8, + <span class="kw">pub </span>size: u8, + <span class="kw">pub </span>port: u16, + <span class="kw">pub </span>count: u32, + <span class="kw">pub </span>data_offset: u64, } -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_run_mmio</span> { - <span class="kw">pub</span> <span class="ident">phys_addr</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">data</span>: [<span class="ident">u8</span>; <span class="number">8</span>], - <span class="kw">pub</span> <span class="ident">len</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">is_write</span>: <span class="ident">u8</span>, +<span class="attr">#[repr(C)] +#[derive(Copy, Clone, Debug)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_run_mmio { + <span class="kw">pub </span>phys_addr: u64, + <span class="kw">pub </span>data: [u8; <span class="number">8</span>], + <span class="kw">pub </span>len: u32, + <span class="kw">pub </span>is_write: u8, } -<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">kvm_run_debug</span> { - <span class="kw">pub</span> <span class="ident">exception</span>: <span class="ident">u32</span>, - <span class="ident">pad</span>: <span class="ident">u32</span>, - <span class="kw">pub</span> <span class="ident">pc</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">dr6</span>: <span class="ident">u64</span>, - <span class="kw">pub</span> <span class="ident">dr7</span>: <span class="ident">u64</span>, +<span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] +#[repr(C)] +#[derive(Copy, Clone, Debug)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>kvm_run_debug { + <span class="kw">pub </span>exception: u32, + pad: u32, + <span class="kw">pub </span>pc: u64, + <span class="kw">pub </span>dr6: u64, + <span class="kw">pub </span>dr7: u64, } -<span class="comment">// Only add the union fields used here.</span> -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">union</span> <span class="ident">kvm_run_union</span> { - <span class="kw">pub</span> <span class="ident">io</span>: <span class="ident">kvm_run_io</span>, - <span class="kw">pub</span> <span class="ident">mmio</span>: <span class="ident">kvm_run_mmio</span>, - <span class="kw">pub</span> <span class="ident">debug</span>: <span class="ident">kvm_run_debug</span>, - <span class="ident">padding</span>: [<span class="ident">u8</span>; <span class="number">256</span>], +<span class="comment">// Only add the union fields used here. +</span><span class="attr">#[repr(C)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">union </span>kvm_run_union { + <span class="kw">pub </span>io: kvm_run_io, + <span class="kw">pub </span>mmio: kvm_run_mmio, + <span class="kw">pub </span>debug: kvm_run_debug, + padding: [u8; <span class="number">256</span>], } -<span class="comment">// Only add the union fields used here.</span> -<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span> -<span class="kw">union</span> <span class="ident">kvm_run_union_s</span> { - <span class="ident">padding</span>: [<span class="ident">u8</span>; <span class="number">2048</span>], +<span class="comment">// Only add the union fields used here. +</span><span class="attr">#[repr(C)] +</span><span class="kw">union </span>kvm_run_union_s { + padding: [u8; <span class="number">2048</span>], } -<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> -<span class="kw">mod</span> <span class="ident">tests</span> { - <span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>; - <span class="kw">use</span> <span class="ident">std::mem</span>; +<span class="attr">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="kw">use </span>std::mem; - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_regs</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_regs</span><span class="op">></span>(), <span class="ident">TEST_KVM_REGS_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_regs</span><span class="op">></span>(), <span class="ident">TEST_KVM_REGS_ALIGN</span>); + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_regs() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_regs>(), TEST_KVM_REGS_SIZE); + <span class="macro">assert_eq!</span>(mem::align_of::<kvm_regs>(), TEST_KVM_REGS_ALIGN); } - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_segment</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_segment</span><span class="op">></span>(), <span class="ident">TEST_KVM_SEGMENT_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_segment</span><span class="op">></span>(), <span class="ident">TEST_KVM_SEGMENT_ALIGN</span>); + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_segment() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_segment>(), TEST_KVM_SEGMENT_SIZE); + <span class="macro">assert_eq!</span>(mem::align_of::<kvm_segment>(), TEST_KVM_SEGMENT_ALIGN); } - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_dtable</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_dtable</span><span class="op">></span>(), <span class="ident">TEST_KVM_DTABLE_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_dtable</span><span class="op">></span>(), <span class="ident">TEST_KVM_DTABLE_ALIGN</span>); + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_dtable() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_dtable>(), TEST_KVM_DTABLE_SIZE); + <span class="macro">assert_eq!</span>(mem::align_of::<kvm_dtable>(), TEST_KVM_DTABLE_ALIGN); } - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_sregs</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_sregs</span><span class="op">></span>(), <span class="ident">TEST_KVM_SREGS_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_sregs</span><span class="op">></span>(), <span class="ident">TEST_KVM_SREGS_ALIGN</span>); + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_sregs() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_sregs>(), TEST_KVM_SREGS_SIZE); + <span class="macro">assert_eq!</span>(mem::align_of::<kvm_sregs>(), TEST_KVM_SREGS_ALIGN); <span class="macro">assert_eq!</span>( - <span class="ident">mem::size_of_val</span>(<span class="kw-2">&</span><span class="ident">kvm_sregs::default</span>().<span class="ident">interrupt_bitmap</span>), - <span class="ident">TEST_KVM_SREGS_INTERRTUP_BITMAP_SIZE</span> + mem::size_of_val(<span class="kw-2">&</span>kvm_sregs::default().interrupt_bitmap), + TEST_KVM_SREGS_INTERRTUP_BITMAP_SIZE ); } - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_userspace_memory_region</span>() { + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_userspace_memory_region() { <span class="macro">assert_eq!</span>( - <span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_userspace_memory_region</span><span class="op">></span>(), - <span class="ident">TEST_KVM_USERSPACE_MEMORY_REGION_SIZE</span> + mem::size_of::<kvm_userspace_memory_region>(), + TEST_KVM_USERSPACE_MEMORY_REGION_SIZE ); <span class="macro">assert_eq!</span>( - <span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_userspace_memory_region</span><span class="op">></span>(), - <span class="ident">TEST_KVM_USERSPACE_MEMORY_REGION_ALIGN</span> + mem::align_of::<kvm_userspace_memory_region>(), + TEST_KVM_USERSPACE_MEMORY_REGION_ALIGN ); } - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_run</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_run</span><span class="op">></span>(), <span class="ident">TEST_KVM_RUN_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_run</span><span class="op">></span>(), <span class="ident">TEST_KVM_RUN_ALIGN</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_run_io</span><span class="op">></span>(), <span class="ident">TEST_KVM_RUN_IO_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_run_mmio</span><span class="op">></span>(), <span class="ident">TEST_KVM_RUN_MMIO_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_run_union_s</span><span class="op">></span>(), <span class="ident">TEST_KVM_RUN_UNION_S_SIZE</span>); + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_run() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_run>(), TEST_KVM_RUN_SIZE); + <span class="macro">assert_eq!</span>(mem::align_of::<kvm_run>(), TEST_KVM_RUN_ALIGN); + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_run_io>(), TEST_KVM_RUN_IO_SIZE); + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_run_mmio>(), TEST_KVM_RUN_MMIO_SIZE); + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_run_union_s>(), TEST_KVM_RUN_UNION_S_SIZE); } - <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_run_x86</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_run_debug</span><span class="op">></span>(), <span class="ident">TEST_KVM_RUN_DEBUG_SIZE</span>); + <span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] + #[test] + </span><span class="kw">fn </span>check_kvm_run_x86() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_run_debug>(), TEST_KVM_RUN_DEBUG_SIZE); } - <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_debugregs</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_debugregs</span><span class="op">></span>(), <span class="ident">TEST_KVM_DEBUGREGS_SIZE</span>); - <span class="macro">assert_eq!</span>(<span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_debugregs</span><span class="op">></span>(), <span class="ident">TEST_KVM_DEBUGREGS_ALIGN</span>); + <span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] + #[test] + </span><span class="kw">fn </span>check_kvm_debugregs() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_debugregs>(), TEST_KVM_DEBUGREGS_SIZE); + <span class="macro">assert_eq!</span>(mem::align_of::<kvm_debugregs>(), TEST_KVM_DEBUGREGS_ALIGN); } - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_guest_dbg</span>() { - <span class="macro">assert_eq!</span>(<span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_guest_debug</span><span class="op">></span>(), <span class="ident">TEST_KVM_GUEST_DEBUG_SIZE</span>); + <span class="attr">#[test] + </span><span class="kw">fn </span>check_kvm_guest_dbg() { + <span class="macro">assert_eq!</span>(mem::size_of::<kvm_guest_debug>(), TEST_KVM_GUEST_DEBUG_SIZE); <span class="macro">assert_eq!</span>( - <span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_guest_debug</span><span class="op">></span>(), - <span class="ident">TEST_KVM_GUEST_DEBUG_ALIGN</span> + mem::align_of::<kvm_guest_debug>(), + TEST_KVM_GUEST_DEBUG_ALIGN ); } - <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> - <span class="attribute">#[<span class="ident">test</span>]</span> - <span class="kw">fn</span> <span class="ident">check_kvm_guest_dbg_arch</span>() { + <span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] + #[test] + </span><span class="kw">fn </span>check_kvm_guest_dbg_arch() { <span class="macro">assert_eq!</span>( - <span class="ident">mem::size_of</span>::<span class="op"><</span><span class="ident">kvm_guest_debug_arch</span><span class="op">></span>(), - <span class="ident">TEST_KVM_GUEST_DEBUG_ARCH_SIZE</span> + mem::size_of::<kvm_guest_debug_arch>(), + TEST_KVM_GUEST_DEBUG_ARCH_SIZE ); <span class="macro">assert_eq!</span>( - <span class="ident">mem::align_of</span>::<span class="op"><</span><span class="ident">kvm_guest_debug_arch</span><span class="op">></span>(), - <span class="ident">TEST_KVM_GUEST_DEBUG_ARCH_ALIGN</span> + mem::align_of::<kvm_guest_debug_arch>(), + TEST_KVM_GUEST_DEBUG_ARCH_ALIGN ); } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
\ No newline at end of file diff --git a/src/kvm_rs/lib.rs.html b/src/kvm_rs/lib.rs.html index 51825a9..8f5cba9 100644 --- a/src/kvm_rs/lib.rs.html +++ b/src/kvm_rs/lib.rs.html @@ -1,341 +1,333 @@ -<!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/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../kvm_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> - </a><h2 class="location"></h2> - </nav> - <nav class="sidebar"><a class="sidebar-logo" href="../../kvm_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> - </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../kvm_rs/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" 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class="ident">std::ops</span>; -<span class="kw">use</span> <span class="ident">std::os::unix::io::AsRawFd</span>; +<!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/lib.rs`."><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../kvm_rs/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a> +<a href="#2" id="2">2</a> +<a href="#3" id="3">3</a> +<a href="#4" id="4">4</a> +<a href="#5" id="5">5</a> +<a 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href="#165" id="165">165</a> +<a href="#166" id="166">166</a> +</pre></div><pre class="rust"><code><span class="kw">use </span>std::convert::{AsMut, AsRef}; +<span class="kw">use </span>std::io; +<span class="kw">use </span>std::ops; +<span class="kw">use </span>std::os::unix::io::AsRawFd; -<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">cap</span>; -<span class="kw">mod</span> <span class="ident">fmt</span>; -<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">kvm</span>; -<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">kvm_sys</span>; -<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">vcpu</span>; -<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">vm</span>; -<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">x86_64</span>; +<span class="kw">pub mod </span>cap; +<span class="kw">mod </span>fmt; +<span class="kw">pub mod </span>kvm; +<span class="kw">pub mod </span>kvm_sys; +<span class="kw">pub mod </span>vcpu; +<span class="kw">pub mod </span>vm; +<span class="kw">pub mod </span>x86_64; -<span class="doccomment">/// Strong type representing physical addresses.</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">PhysAddr</span>(<span class="kw">pub</span> <span class="ident">u64</span>); +<span class="doccomment">/// Strong type representing physical addresses. +</span><span class="kw">pub struct </span>PhysAddr(<span class="kw">pub </span>u64); -<span class="doccomment">/// Helper to turn libc return values into an [io::Result](std::io::Result). Returns</span> -<span class="doccomment">/// [`Error::last_os_error`](std::io::Error::last_os_error) if `ret < 0`.</span> -<span class="kw">fn</span> <span class="ident">libcret</span>(<span class="ident">ret</span>: <span class="ident">libc::c_int</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">libc::c_int</span><span class="op">></span> { - <span class="kw">if</span> <span class="ident">ret</span> <span class="op"><</span> <span class="number">0</span> { - <span class="prelude-val">Err</span>(<span class="ident">io::Error::last_os_error</span>()) - } <span class="kw">else</span> { - <span class="prelude-val">Ok</span>(<span class="ident">ret</span>) +<span class="doccomment">/// Helper to turn libc return values into an [io::Result](std::io::Result). Returns +/// [`Error::last_os_error`](std::io::Error::last_os_error) if `ret < 0`. +</span><span class="kw">fn </span>libcret(ret: libc::c_int) -> io::Result<libc::c_int> { + <span class="kw">if </span>ret < <span class="number">0 </span>{ + <span class="prelude-val">Err</span>(io::Error::last_os_error()) + } <span class="kw">else </span>{ + <span class="prelude-val">Ok</span>(ret) } } -<span class="doccomment">/// Wrapper of `libc::ioctl` for KVM ioctls with one argument and returning an</span> -<span class="doccomment">/// [`io::Result`](std::io::Result).</span> -<span class="kw">fn</span> <span class="ident">ioctl</span><span class="op"><</span><span class="ident">F</span>: <span class="ident">AsRawFd</span><span class="op">></span>(<span class="ident">fd</span>: <span class="kw-2">&</span><span class="ident">F</span>, <span class="ident">cmd</span>: <span class="ident">u64</span>, <span class="ident">arg</span>: <span class="ident">u64</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">libc::c_int</span><span class="op">></span> { - <span class="ident">libcret</span>(<span class="kw">unsafe</span> { <span class="ident">libc::ioctl</span>(<span class="ident">fd</span>.<span class="ident">as_raw_fd</span>(), <span class="ident">cmd</span>, <span class="ident">arg</span>) }) +<span class="doccomment">/// Wrapper of `libc::ioctl` for KVM ioctls with one argument and returning an +/// [`io::Result`](std::io::Result). +</span><span class="kw">fn </span>ioctl<F: AsRawFd>(fd: <span class="kw-2">&</span>F, cmd: u64, arg: u64) -> io::Result<libc::c_int> { + libcret(<span class="kw">unsafe </span>{ libc::ioctl(fd.as_raw_fd(), cmd, arg) }) } -<span class="doccomment">/// Wrapper to safely allocate memory for guest VMs.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// The underlying memory is freed automatically once the `UserMem` instance is dropped.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// Memory can be mapped into a guest VM with</span> -<span class="doccomment">/// [`Vm::set_user_memory_region`](crate::vm::Vm::set_user_memory_region).</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UserMem</span> { - <span class="ident">ptr</span>: <span class="kw-2">*mut</span> <span class="ident">u8</span>, - <span class="ident">len</span>: <span class="ident">usize</span>, +<span class="doccomment">/// Wrapper to safely allocate memory for guest VMs. +/// +/// The underlying memory is freed automatically once the `UserMem` instance is dropped. +/// +/// Memory can be mapped into a guest VM with +/// [`Vm::set_user_memory_region`](crate::vm::Vm::set_user_memory_region). +</span><span class="kw">pub struct </span>UserMem { + ptr: <span class="kw-2">*mut </span>u8, + len: usize, } -<span class="kw">impl</span> <span class="ident">UserMem</span> { - <span class="doccomment">/// Allocate a zero-initialized memory region of `len` bytes.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">len</span>: <span class="ident">usize</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">UserMem</span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">ptr</span> <span class="op">=</span> <span class="kw">unsafe</span> { - <span class="ident">libc::mmap</span>( - <span class="ident">std::ptr::null_mut</span>(), - <span class="ident">len</span>, - <span class="ident">libc::PROT_READ</span> <span class="op">|</span> <span class="ident">libc::PROT_WRITE</span>, - <span class="ident">libc::MAP_PRIVATE</span> <span class="op">|</span> <span class="ident">libc::MAP_ANONYMOUS</span>, - <span class="op">-</span><span class="number">1</span>, +<span class="kw">impl </span>UserMem { + <span class="doccomment">/// Allocate a zero-initialized memory region of `len` bytes. + </span><span class="kw">pub fn </span>new(len: usize) -> io::Result<UserMem> { + <span class="kw">let </span>ptr = <span class="kw">unsafe </span>{ + libc::mmap( + std::ptr::null_mut(), + len, + libc::PROT_READ | libc::PROT_WRITE, + libc::MAP_PRIVATE | libc::MAP_ANONYMOUS, + -<span class="number">1</span>, <span class="number">0</span>, ) }; - <span class="kw">if</span> <span class="ident">ptr</span> <span class="op">==</span> <span class="ident">libc::MAP_FAILED</span> { - <span class="prelude-val">Err</span>(<span class="ident">io::Error::last_os_error</span>()) - } <span class="kw">else</span> { - <span class="prelude-val">Ok</span>(<span class="ident">UserMem</span> { - <span class="ident">ptr</span>: <span class="ident">ptr</span>.<span class="ident">cast</span>(), - <span class="ident">len</span>, + <span class="kw">if </span>ptr == libc::MAP_FAILED { + <span class="prelude-val">Err</span>(io::Error::last_os_error()) + } <span class="kw">else </span>{ + <span class="prelude-val">Ok</span>(UserMem { + ptr: ptr.cast(), + len, }) } } - <span class="doccomment">/// Allocate a zero-initialized memory region of `len` bytes and initialize the first bytes</span> - <span class="doccomment">/// with `init_from`.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Panics</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Panics if `init_from` is larger than the memory size `len`.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_init</span>(<span class="ident">len</span>: <span class="ident">usize</span>, <span class="ident">init_from</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">UserMem</span><span class="op">></span> { - <span class="macro">assert!</span>(<span class="ident">len</span> <span class="op">></span><span class="op">=</span> <span class="ident">init_from</span>.<span class="ident">len</span>()); + <span class="doccomment">/// Allocate a zero-initialized memory region of `len` bytes and initialize the first bytes + /// with `init_from`. + /// + /// # Panics + /// + /// Panics if `init_from` is larger than the memory size `len`. + </span><span class="kw">pub fn </span>with_init(len: usize, init_from: <span class="kw-2">&</span>[u8]) -> io::Result<UserMem> { + <span class="macro">assert!</span>(len >= init_from.len()); - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m</span> <span class="op">=</span> <span class="ident">UserMem::new</span>(<span class="ident">len</span>)<span class="question-mark">?</span>; - <span class="ident">m</span>.<span class="ident">load</span>(<span class="ident">PhysAddr</span>(<span class="number">0</span>), <span class="ident">init_from</span>); - <span class="prelude-val">Ok</span>(<span class="ident">m</span>) + <span class="kw">let </span><span class="kw-2">mut </span>m = UserMem::new(len)<span class="question-mark">?</span>; + m.load(PhysAddr(<span class="number">0</span>), init_from); + <span class="prelude-val">Ok</span>(m) } - <span class="doccomment">/// Load the bytes stored in `data` into memory at physical address `addr`.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Panics</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Panics if `addr + data.len` is larger than the memory size `len`.</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">load</span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">addr</span>: <span class="ident">PhysAddr</span>, <span class="ident">data</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) { - <span class="macro">assert!</span>(<span class="self">self</span>.<span class="ident">len</span> <span class="op">></span><span class="op">=</span> <span class="ident">addr</span>.<span class="number">0</span> <span class="kw">as</span> <span class="ident">usize</span> <span class="op">+</span> <span class="ident">data</span>.<span class="ident">len</span>()); + <span class="doccomment">/// Load the bytes stored in `data` into memory at physical address `addr`. + /// + /// # Panics + /// + /// Panics if `addr + data.len` is larger than the memory size `len`. + </span><span class="kw">pub fn </span>load(<span class="kw-2">&mut </span><span class="self">self</span>, addr: PhysAddr, data: <span class="kw-2">&</span>[u8]) { + <span class="macro">assert!</span>(<span class="self">self</span>.len >= addr.<span class="number">0 </span><span class="kw">as </span>usize + data.len()); - <span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">addr</span>.<span class="number">0</span> <span class="kw">as</span> <span class="ident">usize</span>; - <span class="self">self</span>.<span class="ident">as_mut</span>()[<span class="ident">addr</span>..<span class="ident">addr</span> <span class="op">+</span> <span class="ident">data</span>.<span class="ident">len</span>()].<span class="ident">copy_from_slice</span>(<span class="ident">data</span>); + <span class="kw">let </span>addr = addr.<span class="number">0 </span><span class="kw">as </span>usize; + <span class="self">self</span>.as_mut()[addr..addr + data.len()].copy_from_slice(data); } } -<span class="kw">impl</span> <span class="ident">ops::Drop</span> <span class="kw">for</span> <span class="ident">UserMem</span> { - <span class="doccomment">/// Free underlying memory.</span> - <span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) { - <span class="kw">unsafe</span> { <span class="ident">libc::munmap</span>(<span class="self">self</span>.<span class="ident">ptr</span>.<span class="ident">cast</span>(), <span class="self">self</span>.<span class="ident">len</span>) }; +<span class="kw">impl </span>ops::Drop <span class="kw">for </span>UserMem { + <span class="doccomment">/// Free underlying memory. + </span><span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { + <span class="kw">unsafe </span>{ libc::munmap(<span class="self">self</span>.ptr.cast(), <span class="self">self</span>.len) }; } } -<span class="kw">impl</span> <span class="ident">AsRef</span><span class="op"><</span>[<span class="ident">u8</span>]<span class="op">></span> <span class="kw">for</span> <span class="ident">UserMem</span> { - <span class="kw">fn</span> <span class="ident">as_ref</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[<span class="ident">u8</span>] { - <span class="kw">unsafe</span> { <span class="ident">std::slice::from_raw_parts</span>(<span class="self">self</span>.<span class="ident">ptr</span>, <span class="self">self</span>.<span class="ident">len</span>) } +<span class="kw">impl </span>AsRef<[u8]> <span class="kw">for </span>UserMem { + <span class="kw">fn </span>as_ref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[u8] { + <span class="kw">unsafe </span>{ std::slice::from_raw_parts(<span class="self">self</span>.ptr, <span class="self">self</span>.len) } } } -<span class="kw">impl</span> <span class="ident">AsMut</span><span class="op"><</span>[<span class="ident">u8</span>]<span class="op">></span> <span class="kw">for</span> <span class="ident">UserMem</span> { - <span class="kw">fn</span> <span class="ident">as_mut</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) -> <span class="kw-2">&mut</span> [<span class="ident">u8</span>] { - <span class="kw">unsafe</span> { <span class="ident">std::slice::from_raw_parts_mut</span>(<span class="self">self</span>.<span class="ident">ptr</span>, <span class="self">self</span>.<span class="ident">len</span>) } +<span class="kw">impl </span>AsMut<[u8]> <span class="kw">for </span>UserMem { + <span class="kw">fn </span>as_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>[u8] { + <span class="kw">unsafe </span>{ std::slice::from_raw_parts_mut(<span class="self">self</span>.ptr, <span class="self">self</span>.len) } } } -<span class="doccomment">/// Internal wrapper to automatically `mmap` and `munmap` the the [`struct kvm_run`][kvm_run]</span> -<span class="doccomment">/// for a given VPCU.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// [kvm_run]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#the-kvm-run-structure</span> -<span class="kw">struct</span> <span class="ident">KvmRun</span> { - <span class="ident">ptr</span>: <span class="kw-2">*mut</span> <span class="ident">kvm_sys::kvm_run</span>, - <span class="ident">len</span>: <span class="ident">usize</span>, +<span class="doccomment">/// Internal wrapper to automatically `mmap` and `munmap` the the [`struct kvm_run`][kvm_run] +/// for a given VPCU. +/// +/// [kvm_run]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#the-kvm-run-structure +</span><span class="kw">struct </span>KvmRun { + ptr: <span class="kw-2">*mut </span>kvm_sys::kvm_run, + len: usize, } -<span class="kw">impl</span> <span class="ident">KvmRun</span> { - <span class="doccomment">/// Mmap the `struct kvm_run` for a given `VCPU` referenced by the argument file descriptor</span> - <span class="doccomment">/// `vcpu`.</span> - <span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span><span class="ident">F</span>: <span class="ident">AsRawFd</span><span class="op">></span>(<span class="ident">vcpu</span>: <span class="kw-2">&</span><span class="ident">F</span>, <span class="ident">len</span>: <span class="ident">usize</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">KvmRun</span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">ptr</span> <span class="op">=</span> <span class="kw">unsafe</span> { - <span class="ident">libc::mmap</span>( - <span class="ident">std::ptr::null_mut</span>(), - <span class="ident">len</span>, - <span class="ident">libc::PROT_READ</span> <span class="op">|</span> <span class="ident">libc::PROT_WRITE</span>, - <span class="ident">libc::MAP_SHARED</span>, - <span class="ident">vcpu</span>.<span class="ident">as_raw_fd</span>(), +<span class="kw">impl </span>KvmRun { + <span class="doccomment">/// Mmap the `struct kvm_run` for a given `VCPU` referenced by the argument file descriptor + /// `vcpu`. + </span><span class="kw">fn </span>new<F: AsRawFd>(vcpu: <span class="kw-2">&</span>F, len: usize) -> io::Result<KvmRun> { + <span class="kw">let </span>ptr = <span class="kw">unsafe </span>{ + libc::mmap( + std::ptr::null_mut(), + len, + libc::PROT_READ | libc::PROT_WRITE, + libc::MAP_SHARED, + vcpu.as_raw_fd(), <span class="number">0</span>, ) }; - <span class="kw">if</span> <span class="ident">ptr</span> <span class="op">==</span> <span class="ident">libc::MAP_FAILED</span> { - <span class="prelude-val">Err</span>(<span class="ident">io::Error::last_os_error</span>()) - } <span class="kw">else</span> { - <span class="prelude-val">Ok</span>(<span class="ident">KvmRun</span> { - <span class="ident">ptr</span>: <span class="ident">ptr</span>.<span class="ident">cast</span>(), - <span class="ident">len</span>, + <span class="kw">if </span>ptr == libc::MAP_FAILED { + <span class="prelude-val">Err</span>(io::Error::last_os_error()) + } <span class="kw">else </span>{ + <span class="prelude-val">Ok</span>(KvmRun { + ptr: ptr.cast(), + len, }) } } } -<span class="kw">impl</span> <span class="ident">ops::Drop</span> <span class="kw">for</span> <span class="ident">KvmRun</span> { - <span class="doccomment">/// Munmap the mmaped `struct kvm_run`.</span> - <span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) { - <span class="kw">unsafe</span> { <span class="ident">libc::munmap</span>(<span class="self">self</span>.<span class="ident">ptr</span>.<span class="ident">cast</span>(), <span class="self">self</span>.<span class="ident">len</span>) }; +<span class="kw">impl </span>ops::Drop <span class="kw">for </span>KvmRun { + <span class="doccomment">/// Munmap the mmaped `struct kvm_run`. + </span><span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { + <span class="kw">unsafe </span>{ libc::munmap(<span class="self">self</span>.ptr.cast(), <span class="self">self</span>.len) }; } } -<span class="kw">impl</span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">kvm_sys::kvm_run</span><span class="op">></span> <span class="kw">for</span> <span class="ident">KvmRun</span> { - <span class="kw">fn</span> <span class="ident">as_ref</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="ident">kvm_sys::kvm_run</span> { - <span class="kw">unsafe</span> { <span class="kw-2">&</span><span class="kw-2">*</span>(<span class="self">self</span>.<span class="ident">ptr</span> <span class="kw">as</span> <span class="kw-2">*const</span> <span class="ident">kvm_sys::kvm_run</span>) } +<span class="kw">impl </span>AsRef<kvm_sys::kvm_run> <span class="kw">for </span>KvmRun { + <span class="kw">fn </span>as_ref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>kvm_sys::kvm_run { + <span class="kw">unsafe </span>{ <span class="kw-2">&*</span>(<span class="self">self</span>.ptr <span class="kw">as </span><span class="kw-2">*const </span>kvm_sys::kvm_run) } } } -<span class="kw">impl</span> <span class="ident">AsMut</span><span class="op"><</span><span class="ident">kvm_sys::kvm_run</span><span class="op">></span> <span class="kw">for</span> <span class="ident">KvmRun</span> { - <span class="kw">fn</span> <span class="ident">as_mut</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) -> <span class="kw-2">&mut</span> <span class="ident">kvm_sys::kvm_run</span> { - <span class="kw">unsafe</span> { <span class="kw-2">&mut</span> <span class="kw-2">*</span>(<span class="self">self</span>.<span class="ident">ptr</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="ident">kvm_sys::kvm_run</span>) } +<span class="kw">impl </span>AsMut<kvm_sys::kvm_run> <span class="kw">for </span>KvmRun { + <span class="kw">fn </span>as_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>kvm_sys::kvm_run { + <span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span>(<span class="self">self</span>.ptr <span class="kw">as </span><span class="kw-2">*mut </span>kvm_sys::kvm_run) } } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
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VCPU system ioctls.</span> +<!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/vcpu.rs`."><title>vcpu.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" 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VCPU system ioctls. -<span class="kw">use</span> <span class="ident">std::fs</span>; -<span class="kw">use</span> <span class="ident">std::io</span>; +</span><span class="kw">use </span>std::fs; +<span class="kw">use </span>std::io; -<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">ioctl</span>, <span class="ident">kvm_sys</span>, <span class="ident">KvmRun</span>}; +<span class="kw">use crate</span>::{ioctl, kvm_sys, KvmRun}; -<span class="doccomment">/// Exit reasons for the [`Vcpu::run`][crate::vcpu::Vcpu::run] function.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// Details for the different exit reasons can be found in the [`kvm_run`</span> -<span class="doccomment">/// structure][kvm-run-struct] description.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// [kvm-run]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-run</span> -<span class="doccomment">/// [kvm-run-struct]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#the-kvm-run-structure</span> -<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">KvmExit</span><span class="op"><</span><span class="lifetime">'cpu</span><span class="op">></span> { - <span class="ident">Halt</span>, - <span class="ident">IoIn</span>(<span class="ident">u16</span>, <span class="kw-2">&</span><span class="lifetime">'cpu</span> <span class="kw-2">mut</span> [<span class="ident">u8</span>]), - <span class="ident">IoOut</span>(<span class="ident">u16</span>, <span class="kw-2">&</span><span class="lifetime">'cpu</span> [<span class="ident">u8</span>]), - <span class="ident">MmioRead</span>(<span class="ident">u64</span>, <span class="kw-2">&</span><span class="lifetime">'cpu</span> <span class="kw-2">mut</span> [<span class="ident">u8</span>]), - <span class="ident">MmioWrite</span>(<span class="ident">u64</span>, <span class="kw-2">&</span><span class="lifetime">'cpu</span> [<span class="ident">u8</span>]), - <span class="ident">Debug</span>(<span class="ident">u64</span>), +<span class="doccomment">/// Exit reasons for the [`Vcpu::run`][crate::vcpu::Vcpu::run] function. +/// +/// Details for the different exit reasons can be found in the [`kvm_run` +/// structure][kvm-run-struct] description. +/// +/// [kvm-run]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-run +/// [kvm-run-struct]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#the-kvm-run-structure +</span><span class="kw">pub enum </span>KvmExit<<span class="lifetime">'cpu</span>> { + Halt, + IoIn(u16, <span class="kw-2">&</span><span class="lifetime">'cpu </span><span class="kw-2">mut </span>[u8]), + IoOut(u16, <span class="kw-2">&</span><span class="lifetime">'cpu </span>[u8]), + MmioRead(u64, <span class="kw-2">&</span><span class="lifetime">'cpu </span><span class="kw-2">mut </span>[u8]), + MmioWrite(u64, <span class="kw-2">&</span><span class="lifetime">'cpu </span>[u8]), + Debug(u64), } -<span class="doccomment">/// Wrapper for VCPU ioctls.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// Representation of the file descriptor obtained by the [`KVM_CREATE_VCPU`][kvm-create-vcpu] ioctl.</span> -<span class="doccomment">/// This wrapper provides access to the `VCPU ioctls` as described in [KVM API][kvm].</span> -<span class="doccomment">///</span> -<span class="doccomment">/// [kvm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#general-description</span> -<span class="doccomment">/// [kvm-create-vcpu]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vcpu</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Vcpu</span> { - <span class="ident">vcpu</span>: <span class="ident">fs::File</span>, - <span class="ident">kvm_run</span>: <span class="ident">KvmRun</span>, +<span class="doccomment">/// Wrapper for VCPU ioctls. +/// +/// Representation of the file descriptor obtained by the [`KVM_CREATE_VCPU`][kvm-create-vcpu] ioctl. +/// This wrapper provides access to the `VCPU ioctls` as described in [KVM API][kvm]. +/// +/// [kvm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#general-description +/// [kvm-create-vcpu]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vcpu +</span><span class="kw">pub struct </span>Vcpu { + vcpu: fs::File, + kvm_run: KvmRun, } -<span class="kw">impl</span> <span class="ident">Vcpu</span> { - <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">vcpu</span>: <span class="ident">fs::File</span>, <span class="ident">kvm_run</span>: <span class="ident">KvmRun</span>) -> <span class="ident">Vcpu</span> { - <span class="ident">Vcpu</span> { <span class="ident">vcpu</span>, <span class="ident">kvm_run</span> } +<span class="kw">impl </span>Vcpu { + <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(vcpu: fs::File, kvm_run: KvmRun) -> Vcpu { + Vcpu { vcpu, kvm_run } } - <span class="doccomment">/// Get the general purpose registers with the [`KVM_GET_REGS`][kvm-get-regs] ioctl in form of</span> - <span class="doccomment">/// [`kvm_regs`](crate::kvm_sys::kvm_regs).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-get-regs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-get-regs</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_regs</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">kvm_sys::kvm_regs</span><span class="op">></span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">regs</span> <span class="op">=</span> <span class="ident">kvm_sys::kvm_regs::default</span>(); - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, - <span class="ident">kvm_sys::KVM_GET_REGS</span>, - <span class="kw-2">&mut</span> <span class="ident">regs</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + <span class="doccomment">/// Get the general purpose registers with the [`KVM_GET_REGS`][kvm-get-regs] ioctl in form of + /// [`kvm_regs`](crate::kvm_sys::kvm_regs). + /// + /// [kvm-get-regs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-get-regs + </span><span class="kw">pub fn </span>get_regs(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<kvm_sys::kvm_regs> { + <span class="kw">let </span><span class="kw-2">mut </span>regs = kvm_sys::kvm_regs::default(); + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vcpu, + kvm_sys::KVM_GET_REGS, + <span class="kw-2">&mut </span>regs <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_ as </span>u64, )<span class="question-mark">?</span>; - <span class="prelude-val">Ok</span>(<span class="ident">regs</span>) + <span class="prelude-val">Ok</span>(regs) } - <span class="doccomment">/// Set the general purpose registers with the [`KVM_SET_REGS`][kvm-set-regs] ioctl in form of</span> - <span class="doccomment">/// [`kvm_regs`](crate::kvm_sys::kvm_regs).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-set-regs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-regs</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_regs</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">regs</span>: <span class="ident">kvm_sys::kvm_regs</span>) -> <span class="ident">io::Result</span><span class="op"><</span>()<span class="op">></span> { - <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, <span class="ident">kvm_sys::KVM_SET_REGS</span>, <span class="kw-2">&</span><span class="ident">regs</span> <span class="kw">as</span> <span class="kw-2">*const</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>).<span class="ident">map</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> ()) + <span class="doccomment">/// Set the general purpose registers with the [`KVM_SET_REGS`][kvm-set-regs] ioctl in form of + /// [`kvm_regs`](crate::kvm_sys::kvm_regs). + /// + /// [kvm-set-regs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-regs + </span><span class="kw">pub fn </span>set_regs(<span class="kw-2">&</span><span class="self">self</span>, regs: kvm_sys::kvm_regs) -> io::Result<()> { + ioctl(<span class="kw-2">&</span><span class="self">self</span>.vcpu, kvm_sys::KVM_SET_REGS, <span class="kw-2">&</span>regs <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>u64).map(|<span class="kw">_</span>| ()) } - <span class="doccomment">/// Get the special registers with the [`KVM_GET_SREGS`][kvm-get-sregs] ioctl in form of</span> - <span class="doccomment">/// [`kvm_sregs`](crate::kvm_sys::kvm_sregs).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-get-sregs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-get-sregs</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_sregs</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">kvm_sys::kvm_sregs</span><span class="op">></span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">sregs</span> <span class="op">=</span> <span class="ident">kvm_sys::kvm_sregs::default</span>(); - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, - <span class="ident">kvm_sys::KVM_GET_SREGS</span>, - <span class="kw-2">&mut</span> <span class="ident">sregs</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + <span class="doccomment">/// Get the special registers with the [`KVM_GET_SREGS`][kvm-get-sregs] ioctl in form of + /// [`kvm_sregs`](crate::kvm_sys::kvm_sregs). + /// + /// [kvm-get-sregs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-get-sregs + </span><span class="kw">pub fn </span>get_sregs(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<kvm_sys::kvm_sregs> { + <span class="kw">let </span><span class="kw-2">mut </span>sregs = kvm_sys::kvm_sregs::default(); + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vcpu, + kvm_sys::KVM_GET_SREGS, + <span class="kw-2">&mut </span>sregs <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_ as </span>u64, )<span class="question-mark">?</span>; - <span class="prelude-val">Ok</span>(<span class="ident">sregs</span>) + <span class="prelude-val">Ok</span>(sregs) } - <span class="doccomment">/// Set the special registers with the [`KVM_SET_SREGS`][kvm-set-sregs] ioctl in form of</span> - <span class="doccomment">/// [`kvm_sregs`](crate::kvm_sys::kvm_sregs).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-set-sregs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-sregs</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_sregs</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">sregs</span>: <span class="ident">kvm_sys::kvm_sregs</span>) -> <span class="ident">io::Result</span><span class="op"><</span>()<span class="op">></span> { - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, - <span class="ident">kvm_sys::KVM_SET_SREGS</span>, - <span class="kw-2">&</span><span class="ident">sregs</span> <span class="kw">as</span> <span class="kw-2">*const</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + <span class="doccomment">/// Set the special registers with the [`KVM_SET_SREGS`][kvm-set-sregs] ioctl in form of + /// [`kvm_sregs`](crate::kvm_sys::kvm_sregs). + /// + /// [kvm-set-sregs]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-sregs + </span><span class="kw">pub fn </span>set_sregs(<span class="kw-2">&</span><span class="self">self</span>, sregs: kvm_sys::kvm_sregs) -> io::Result<()> { + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vcpu, + kvm_sys::KVM_SET_SREGS, + <span class="kw-2">&</span>sregs <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>u64, ) - .<span class="ident">map</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> ()) + .map(|<span class="kw">_</span>| ()) } - <span class="doccomment">/// Get the debug registers with the [`KVM_GET_DEBUGREGS`][kvm-get-debugregs] ioctl in form of</span> - <span class="doccomment">/// [`kvm_debugregs`](crate::kvm_sys::kvm_debugregs).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-get-debugregs]:</span> - <span class="doccomment">/// https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-get-debugregs</span> - <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_debugregs</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">kvm_sys::kvm_debugregs</span><span class="op">></span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">dregs</span> <span class="op">=</span> <span class="ident">kvm_sys::kvm_debugregs::default</span>(); - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, - <span class="ident">kvm_sys::KVM_GET_DEBUGREGS</span>, - <span class="kw-2">&mut</span> <span class="ident">dregs</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + <span class="doccomment">/// Get the debug registers with the [`KVM_GET_DEBUGREGS`][kvm-get-debugregs] ioctl in form of + /// [`kvm_debugregs`](crate::kvm_sys::kvm_debugregs). + /// + /// [kvm-get-debugregs]: + /// https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-get-debugregs + </span><span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] + </span><span class="kw">pub fn </span>get_debugregs(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<kvm_sys::kvm_debugregs> { + <span class="kw">let </span><span class="kw-2">mut </span>dregs = kvm_sys::kvm_debugregs::default(); + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vcpu, + kvm_sys::KVM_GET_DEBUGREGS, + <span class="kw-2">&mut </span>dregs <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_ as </span>u64, )<span class="question-mark">?</span>; - <span class="prelude-val">Ok</span>(<span class="ident">dregs</span>) + <span class="prelude-val">Ok</span>(dregs) } - <span class="doccomment">/// Set the debug registers with the [`KVM_SET_DEBUGREGS`][kvm-set-debugregs] ioctl in form of</span> - <span class="doccomment">/// [`kvm_debugregs`](crate::kvm_sys::kvm_debugregs).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-set-debugregs]:</span> - <span class="doccomment">/// https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-debugregs</span> - <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_debugregs</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">dregs</span>: <span class="ident">kvm_sys::kvm_debugregs</span>) -> <span class="ident">io::Result</span><span class="op"><</span>()<span class="op">></span> { - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, - <span class="ident">kvm_sys::KVM_SET_DEBUGREGS</span>, - <span class="kw-2">&</span><span class="ident">dregs</span> <span class="kw">as</span> <span class="kw-2">*const</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + <span class="doccomment">/// Set the debug registers with the [`KVM_SET_DEBUGREGS`][kvm-set-debugregs] ioctl in form of + /// [`kvm_debugregs`](crate::kvm_sys::kvm_debugregs). + /// + /// [kvm-set-debugregs]: + /// https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-debugregs + </span><span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] + </span><span class="kw">pub fn </span>set_debugregs(<span class="kw-2">&</span><span class="self">self</span>, dregs: kvm_sys::kvm_debugregs) -> io::Result<()> { + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vcpu, + kvm_sys::KVM_SET_DEBUGREGS, + <span class="kw-2">&</span>dregs <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>u64, ) - .<span class="ident">map</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> ()) + .map(|<span class="kw">_</span>| ()) } - <span class="doccomment">/// Enable or disable guest single steppig (debug) with the</span> - <span class="doccomment">/// [`KVM_GUESTDBG_ENABLE`][kvm-guest-debug] ioctl.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-guest-debug]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-guest-debug</span> - <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_single_step</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">enable</span>: <span class="ident">bool</span>) -> <span class="ident">io::Result</span><span class="op"><</span>()<span class="op">></span> { - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">dbg</span> <span class="op">=</span> <span class="ident">kvm_sys::kvm_guest_debug::default</span>(); + <span class="doccomment">/// Enable or disable guest single steppig (debug) with the + /// [`KVM_GUESTDBG_ENABLE`][kvm-guest-debug] ioctl. + /// + /// [kvm-guest-debug]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-guest-debug + </span><span class="attr">#[cfg(target_arch = <span class="string">"x86_64"</span>)] + </span><span class="kw">pub fn </span>set_single_step(<span class="kw-2">&</span><span class="self">self</span>, enable: bool) -> io::Result<()> { + <span class="kw">let </span><span class="kw-2">mut </span>dbg = kvm_sys::kvm_guest_debug::default(); - <span class="kw">if</span> <span class="ident">enable</span> { - <span class="comment">// Enable guest debugging and single stepping.</span> - <span class="ident">dbg</span>.<span class="ident">control</span> <span class="op">=</span> <span class="ident">kvm_sys::KVM_GUESTDBG_ENABLE</span> <span class="op">|</span> <span class="ident">kvm_sys::KVM_GUESTDBG_SINGLESTEP</span>; + <span class="kw">if </span>enable { + <span class="comment">// Enable guest debugging and single stepping. + </span>dbg.control = kvm_sys::KVM_GUESTDBG_ENABLE | kvm_sys::KVM_GUESTDBG_SINGLESTEP; } - <span class="comment">// Initialize debug registers based on current VCPUs debug register values.</span> - <span class="kw">let</span> <span class="ident">dregs</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_debugregs</span>()<span class="question-mark">?</span>; - <span class="ident">dbg</span>.<span class="ident">arch</span>.<span class="ident">debugreg</span>[<span class="number">0</span>..<span class="number">4</span>].<span class="ident">copy_from_slice</span>(<span class="kw-2">&</span><span class="ident">dregs</span>.<span class="ident">db</span>); - <span class="comment">// DR4-DR5 are reserved.</span> - <span class="ident">dbg</span>.<span class="ident">arch</span>.<span class="ident">debugreg</span>[<span class="number">6</span>] <span class="op">=</span> <span class="ident">dregs</span>.<span class="ident">dr6</span>; - <span class="ident">dbg</span>.<span class="ident">arch</span>.<span class="ident">debugreg</span>[<span class="number">7</span>] <span class="op">=</span> <span class="ident">dregs</span>.<span class="ident">dr7</span>; + <span class="comment">// Initialize debug registers based on current VCPUs debug register values. + </span><span class="kw">let </span>dregs = <span class="self">self</span>.get_debugregs()<span class="question-mark">?</span>; + dbg.arch.debugreg[<span class="number">0</span>..<span class="number">4</span>].copy_from_slice(<span class="kw-2">&</span>dregs.db); + <span class="comment">// DR4-DR5 are reserved. + </span>dbg.arch.debugreg[<span class="number">6</span>] = dregs.dr6; + dbg.arch.debugreg[<span class="number">7</span>] = dregs.dr7; - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, - <span class="ident">kvm_sys::KVM_SET_GUEST_DEBUG</span>, - <span class="kw-2">&</span><span class="ident">dbg</span> <span class="kw">as</span> <span class="kw-2">*const</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vcpu, + kvm_sys::KVM_SET_GUEST_DEBUG, + <span class="kw-2">&</span>dbg <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>u64, ) - .<span class="ident">map</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> ()) + .map(|<span class="kw">_</span>| ()) } - <span class="doccomment">/// Run the guest VCPU with the [`KVM_RUN`][kvm-run] ioctl until it exits with one of the exit</span> - <span class="doccomment">/// reasons described in [`KvmExit`](crate::vcpu::KvmExit).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-run]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-run</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">run</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">KvmExit</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span><span class="op">></span> { - <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vcpu</span>, <span class="ident">kvm_sys::KVM_RUN</span>, <span class="number">0</span>)<span class="question-mark">?</span>; + <span class="doccomment">/// Run the guest VCPU with the [`KVM_RUN`][kvm-run] ioctl until it exits with one of the exit + /// reasons described in [`KvmExit`](crate::vcpu::KvmExit). + /// + /// [kvm-run]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-run + </span><span class="kw">pub fn </span>run(<span class="kw-2">&mut </span><span class="self">self</span>) -> io::Result<KvmExit<<span class="lifetime">'_</span>>> { + ioctl(<span class="kw-2">&</span><span class="self">self</span>.vcpu, kvm_sys::KVM_RUN, <span class="number">0</span>)<span class="question-mark">?</span>; - <span class="kw">let</span> <span class="ident">kvm_run</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">kvm_run</span>.<span class="ident">as_mut</span>(); + <span class="kw">let </span>kvm_run = <span class="self">self</span>.kvm_run.as_mut(); - <span class="kw">match</span> <span class="ident">kvm_run</span>.<span class="ident">exit_reason</span> <span class="kw">as</span> <span class="ident">u64</span> { - <span class="ident">kvm_sys::KVM_EXIT_HLT</span> => <span class="prelude-val">Ok</span>(<span class="ident">KvmExit::Halt</span>), - <span class="ident">kvm_sys::KVM_EXIT_IO</span> => { - <span class="comment">// Safe to use union `io` field, as Kernel instructed us to.</span> - <span class="kw">let</span> <span class="ident">io</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">kvm_run</span>.<span class="ident">inner</span>.<span class="ident">io</span> }; + <span class="kw">match </span>kvm_run.exit_reason <span class="kw">as </span>u64 { + kvm_sys::KVM_EXIT_HLT => <span class="prelude-val">Ok</span>(KvmExit::Halt), + kvm_sys::KVM_EXIT_IO => { + <span class="comment">// Safe to use union `io` field, as Kernel instructed us to. + </span><span class="kw">let </span>io = <span class="kw">unsafe </span>{ kvm_run.inner.io }; - <span class="kw">let</span> <span class="ident">kvm_run_ptr</span> <span class="op">=</span> <span class="ident">kvm_run</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="ident">kvm_sys::kvm_run</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="ident">u8</span>; + <span class="kw">let </span>kvm_run_ptr = kvm_run <span class="kw">as </span><span class="kw-2">*mut </span>kvm_sys::kvm_run <span class="kw">as </span><span class="kw-2">*mut </span>u8; - <span class="comment">// Create IO buffer located at `kvm_run + io.offset`.</span> - <span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> <span class="kw">unsafe</span> { - <span class="ident">std::slice::from_raw_parts_mut</span>( - <span class="ident">kvm_run_ptr</span>.<span class="ident">offset</span>(<span class="ident">io</span>.<span class="ident">data_offset</span> <span class="kw">as</span> <span class="ident">isize</span>), - <span class="ident">io</span>.<span class="ident">count</span> <span class="comment">/* num blocks */</span> <span class="kw">as</span> <span class="ident">usize</span> <span class="op">*</span> <span class="ident">io</span>.<span class="ident">size</span> <span class="comment">/* bytes per block */</span> <span class="kw">as</span> <span class="ident">usize</span>, + <span class="comment">// Create IO buffer located at `kvm_run + io.offset`. + </span><span class="kw">let </span>data = <span class="kw">unsafe </span>{ + std::slice::from_raw_parts_mut( + kvm_run_ptr.offset(io.data_offset <span class="kw">as </span>isize), + io.count <span class="comment">/* num blocks */ </span><span class="kw">as </span>usize * io.size <span class="comment">/* bytes per block */ </span><span class="kw">as </span>usize, ) }; - <span class="kw">match</span> <span class="ident">io</span>.<span class="ident">direction</span> <span class="kw">as</span> <span class="ident">u64</span> { - <span class="ident">kvm_sys::KVM_EXIT_IO_IN</span> => <span class="prelude-val">Ok</span>(<span class="ident">KvmExit::IoIn</span>(<span class="ident">io</span>.<span class="ident">port</span>, <span class="ident">data</span>)), - <span class="ident">kvm_sys::KVM_EXIT_IO_OUT</span> => <span class="prelude-val">Ok</span>(<span class="ident">KvmExit::IoOut</span>(<span class="ident">io</span>.<span class="ident">port</span>, <span class="ident">data</span>)), - <span class="kw">_</span> => <span class="macro">unreachable!</span>(), + <span class="kw">match </span>io.direction <span class="kw">as </span>u64 { + kvm_sys::KVM_EXIT_IO_IN => <span class="prelude-val">Ok</span>(KvmExit::IoIn(io.port, data)), + kvm_sys::KVM_EXIT_IO_OUT => <span class="prelude-val">Ok</span>(KvmExit::IoOut(io.port, data)), + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), } } - <span class="ident">kvm_sys::KVM_EXIT_MMIO</span> => { - <span class="comment">// Safe to use union `mmio` filed, as Kernel instructed us to.</span> - <span class="kw">let</span> <span class="ident">mmio</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="kw-2">&mut</span> <span class="ident">kvm_run</span>.<span class="ident">inner</span>.<span class="ident">mmio</span> }; - <span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">mmio</span>.<span class="ident">len</span> <span class="kw">as</span> <span class="ident">usize</span>; + kvm_sys::KVM_EXIT_MMIO => { + <span class="comment">// Safe to use union `mmio` filed, as Kernel instructed us to. + </span><span class="kw">let </span>mmio = <span class="kw">unsafe </span>{ <span class="kw-2">&mut </span>kvm_run.inner.mmio }; + <span class="kw">let </span>len = mmio.len <span class="kw">as </span>usize; - <span class="kw">match</span> <span class="ident">mmio</span>.<span class="ident">is_write</span> { - <span class="number">0</span> => <span class="prelude-val">Ok</span>(<span class="ident">KvmExit::MmioRead</span>(<span class="ident">mmio</span>.<span class="ident">phys_addr</span>, <span class="kw-2">&mut</span> <span class="ident">mmio</span>.<span class="ident">data</span>[..<span class="ident">len</span>])), - <span class="number">1</span> => <span class="prelude-val">Ok</span>(<span class="ident">KvmExit::MmioWrite</span>(<span class="ident">mmio</span>.<span class="ident">phys_addr</span>, <span class="kw-2">&</span><span class="ident">mmio</span>.<span class="ident">data</span>[..<span class="ident">len</span>])), - <span class="kw">_</span> => <span class="macro">unreachable!</span>(), + <span class="kw">match </span>mmio.is_write { + <span class="number">0 </span>=> <span class="prelude-val">Ok</span>(KvmExit::MmioRead(mmio.phys_addr, <span class="kw-2">&mut </span>mmio.data[..len])), + <span class="number">1 </span>=> <span class="prelude-val">Ok</span>(KvmExit::MmioWrite(mmio.phys_addr, <span class="kw-2">&</span>mmio.data[..len])), + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), } } - <span class="ident">kvm_sys::KVM_EXIT_DEBUG</span> => { - <span class="comment">// Safe to use union `debug` field, as Kernel instructed us to.</span> - <span class="kw">let</span> <span class="ident">debug</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">kvm_run</span>.<span class="ident">inner</span>.<span class="ident">debug</span> }; + kvm_sys::KVM_EXIT_DEBUG => { + <span class="comment">// Safe to use union `debug` field, as Kernel instructed us to. + </span><span class="kw">let </span>debug = <span class="kw">unsafe </span>{ kvm_run.inner.debug }; - <span class="prelude-val">Ok</span>(<span class="ident">KvmExit::Debug</span>(<span class="ident">debug</span>.<span class="ident">pc</span>)) + <span class="prelude-val">Ok</span>(KvmExit::Debug(debug.pc)) } - <span class="ident">r</span> @ <span class="kw">_</span> => { - <span class="macro">todo!</span>(<span class="string">"KVM_EXIT_... (exit_reason={}) not implemented!"</span>, <span class="ident">r</span>) + r @ <span class="kw">_ </span>=> { + <span class="macro">todo!</span>(<span class="string">"KVM_EXIT_... (exit_reason={}) not implemented!"</span>, r) } } } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
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VM system ioctls.</span> +<!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/vm.rs`."><title>vm.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" 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id="10">10</a> +<a href="#11" id="11">11</a> +<a href="#12" id="12">12</a> +<a href="#13" id="13">13</a> +<a href="#14" id="14">14</a> +<a href="#15" id="15">15</a> +<a href="#16" id="16">16</a> +<a href="#17" id="17">17</a> +<a href="#18" id="18">18</a> +<a href="#19" id="19">19</a> +<a href="#20" id="20">20</a> +<a href="#21" id="21">21</a> +<a href="#22" id="22">22</a> +<a href="#23" id="23">23</a> +<a href="#24" id="24">24</a> +<a href="#25" id="25">25</a> +<a href="#26" id="26">26</a> +<a href="#27" id="27">27</a> +<a href="#28" id="28">28</a> +<a href="#29" id="29">29</a> +<a href="#30" id="30">30</a> +<a href="#31" id="31">31</a> +<a href="#32" id="32">32</a> +<a href="#33" id="33">33</a> +<a href="#34" id="34">34</a> +<a href="#35" id="35">35</a> +<a href="#36" id="36">36</a> +<a href="#37" id="37">37</a> +<a href="#38" id="38">38</a> +<a href="#39" id="39">39</a> +<a href="#40" id="40">40</a> +<a href="#41" id="41">41</a> +<a href="#42" id="42">42</a> +<a href="#43" id="43">43</a> +<a href="#44" id="44">44</a> +<a href="#45" id="45">45</a> +<a href="#46" id="46">46</a> +<a href="#47" id="47">47</a> +<a href="#48" id="48">48</a> +<a href="#49" id="49">49</a> +<a href="#50" id="50">50</a> +<a href="#51" id="51">51</a> +<a href="#52" id="52">52</a> +<a href="#53" id="53">53</a> +<a href="#54" id="54">54</a> +<a href="#55" id="55">55</a> +<a href="#56" id="56">56</a> +<a href="#57" id="57">57</a> +<a href="#58" id="58">58</a> +<a href="#59" id="59">59</a> +<a href="#60" id="60">60</a> +<a href="#61" id="61">61</a> +<a href="#62" id="62">62</a> +<a href="#63" id="63">63</a> +<a href="#64" id="64">64</a> +<a href="#65" id="65">65</a> +<a href="#66" id="66">66</a> +<a href="#67" id="67">67</a> +<a href="#68" id="68">68</a> +<a href="#69" id="69">69</a> +</pre></div><pre class="rust"><code><span class="doccomment">//! VM system ioctls. -<span class="kw">use</span> <span class="ident">std::fs</span>; -<span class="kw">use</span> <span class="ident">std::io</span>; -<span class="kw">use</span> <span class="ident">std::os::unix::io::FromRawFd</span>; +</span><span class="kw">use </span>std::fs; +<span class="kw">use </span>std::io; +<span class="kw">use </span>std::os::unix::io::FromRawFd; -<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::vcpu::Vcpu</span>; -<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">ioctl</span>, <span class="ident">kvm_sys</span>, <span class="ident">KvmRun</span>, <span class="ident">PhysAddr</span>, <span class="ident">UserMem</span>}; +<span class="kw">use </span><span class="kw">crate</span>::vcpu::Vcpu; +<span class="kw">use crate</span>::{ioctl, kvm_sys, KvmRun, PhysAddr, UserMem}; -<span class="doccomment">/// Wrapper for VM ioctls.</span> -<span class="doccomment">///</span> -<span class="doccomment">/// Representation of the file descriptor obtained by the [`KVM_CREATE_VM`][kvm-create-vm] ioctl.</span> -<span class="doccomment">/// This wrapper provides access to the `VM ioctls` as described in [KVM API][kvm].</span> -<span class="doccomment">///</span> -<span class="doccomment">/// [kvm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#general-description</span> -<span class="doccomment">/// [kvm-create-vm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vm</span> -<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Vm</span> { - <span class="ident">vm</span>: <span class="ident">fs::File</span>, - <span class="ident">vcpu_mmap_size</span>: <span class="ident">usize</span>, +<span class="doccomment">/// Wrapper for VM ioctls. +/// +/// Representation of the file descriptor obtained by the [`KVM_CREATE_VM`][kvm-create-vm] ioctl. +/// This wrapper provides access to the `VM ioctls` as described in [KVM API][kvm]. +/// +/// [kvm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#general-description +/// [kvm-create-vm]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vm +</span><span class="kw">pub struct </span>Vm { + vm: fs::File, + vcpu_mmap_size: usize, } -<span class="kw">impl</span> <span class="ident">Vm</span> { - <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">vm</span>: <span class="ident">fs::File</span>, <span class="ident">vcpu_mmap_size</span>: <span class="ident">usize</span>) -> <span class="ident">Vm</span> { - <span class="ident">Vm</span> { <span class="ident">vm</span>, <span class="ident">vcpu_mmap_size</span> } +<span class="kw">impl </span>Vm { + <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(vm: fs::File, vcpu_mmap_size: usize) -> Vm { + Vm { vm, vcpu_mmap_size } } - <span class="doccomment">/// Map memory from userspace into the VM as `guest physical` memory starting at address</span> - <span class="doccomment">/// `phys_addr`.</span> - <span class="doccomment">/// The underlying operation is the [`KVM_SET_USER_MEMORY_REGION`][kvm-set-user-memory-region]</span> - <span class="doccomment">/// ioctl.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// # Safety</span> - <span class="doccomment">///</span> - <span class="doccomment">/// The `mem: &UserMem` argument passed to this function must at least live as long the `Vcpu`</span> - <span class="doccomment">/// instance.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-set-user-memory-region]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-user-memory-region</span> - <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">set_user_memory_region</span>( + <span class="doccomment">/// Map memory from userspace into the VM as `guest physical` memory starting at address + /// `phys_addr`. + /// The underlying operation is the [`KVM_SET_USER_MEMORY_REGION`][kvm-set-user-memory-region] + /// ioctl. + /// + /// # Safety + /// + /// The `mem: &UserMem` argument passed to this function must at least live as long the `Vcpu` + /// instance. + /// + /// [kvm-set-user-memory-region]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-set-user-memory-region + </span><span class="kw">pub unsafe fn </span>set_user_memory_region( <span class="kw-2">&</span><span class="self">self</span>, - <span class="ident">phys_addr</span>: <span class="ident">PhysAddr</span>, - <span class="ident">mem</span>: <span class="kw-2">&</span><span class="ident">UserMem</span>, - ) -> <span class="ident">io::Result</span><span class="op"><</span>()<span class="op">></span> { - <span class="comment">// Create guest physical memory mapping for `slot : 0` at guest `phys_addr`.</span> - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">kvm_mem</span> <span class="op">=</span> <span class="ident">kvm_sys::kvm_userspace_memory_region::default</span>(); - <span class="ident">kvm_mem</span>.<span class="ident">userspace_addr</span> <span class="op">=</span> <span class="ident">mem</span>.<span class="ident">ptr</span> <span class="kw">as</span> <span class="ident">u64</span>; - <span class="ident">kvm_mem</span>.<span class="ident">memory_size</span> <span class="op">=</span> <span class="ident">mem</span>.<span class="ident">len</span> <span class="kw">as</span> <span class="ident">u64</span>; - <span class="ident">kvm_mem</span>.<span class="ident">guest_phys_addr</span> <span class="op">=</span> <span class="ident">phys_addr</span>.<span class="number">0</span>; + phys_addr: PhysAddr, + mem: <span class="kw-2">&</span>UserMem, + ) -> io::Result<()> { + <span class="comment">// Create guest physical memory mapping for `slot : 0` at guest `phys_addr`. + </span><span class="kw">let </span><span class="kw-2">mut </span>kvm_mem = kvm_sys::kvm_userspace_memory_region::default(); + kvm_mem.userspace_addr = mem.ptr <span class="kw">as </span>u64; + kvm_mem.memory_size = mem.len <span class="kw">as </span>u64; + kvm_mem.guest_phys_addr = phys_addr.<span class="number">0</span>; - <span class="ident">ioctl</span>( - <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vm</span>, - <span class="ident">kvm_sys::KVM_SET_USER_MEMORY_REGION</span>, - <span class="kw-2">&</span><span class="ident">kvm_mem</span> <span class="kw">as</span> <span class="kw-2">*const</span> <span class="kw">_</span> <span class="kw">as</span> <span class="ident">u64</span>, + ioctl( + <span class="kw-2">&</span><span class="self">self</span>.vm, + kvm_sys::KVM_SET_USER_MEMORY_REGION, + <span class="kw-2">&</span>kvm_mem <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span>u64, ) - .<span class="ident">map</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> ()) + .map(|<span class="kw">_</span>| ()) } - <span class="doccomment">/// Create a new virtual cpu with the [`KVM_CREATE_VCPU`][kvm-create-vcpu] ioctl.</span> - <span class="doccomment">/// Returns a wrapper [`vcpu::Vcpu`][crate::vcpu::Vcpu] representing the VCPU.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [kvm-create-vcpu]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vcpu</span> - <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">create_vpcu</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">u64</span>) -> <span class="ident">io::Result</span><span class="op"><</span><span class="ident">Vcpu</span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">vcpu</span> <span class="op">=</span> <span class="ident">ioctl</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">vm</span>, <span class="ident">kvm_sys::KVM_CREATE_VCPU</span>, <span class="ident">id</span>) - .<span class="ident">map</span>(<span class="op">|</span><span class="ident">fd</span><span class="op">|</span> <span class="kw">unsafe</span> { <span class="ident">fs::File::from_raw_fd</span>(<span class="ident">fd</span>) })<span class="question-mark">?</span>; + <span class="doccomment">/// Create a new virtual cpu with the [`KVM_CREATE_VCPU`][kvm-create-vcpu] ioctl. + /// Returns a wrapper [`vcpu::Vcpu`][crate::vcpu::Vcpu] representing the VCPU. + /// + /// [kvm-create-vcpu]: https://www.kernel.org/doc/html/latest/virt/kvm/api.html#kvm-create-vcpu + </span><span class="kw">pub fn </span>create_vpcu(<span class="kw-2">&</span><span class="self">self</span>, id: u64) -> io::Result<Vcpu> { + <span class="kw">let </span>vcpu = ioctl(<span class="kw-2">&</span><span class="self">self</span>.vm, kvm_sys::KVM_CREATE_VCPU, id) + .map(|fd| <span class="kw">unsafe </span>{ fs::File::from_raw_fd(fd) })<span class="question-mark">?</span>; - <span class="kw">let</span> <span class="ident">kvm_run</span> <span class="op">=</span> <span class="ident">KvmRun::new</span>(<span class="kw-2">&</span><span class="ident">vcpu</span>, <span class="self">self</span>.<span class="ident">vcpu_mmap_size</span>)<span class="question-mark">?</span>; + <span class="kw">let </span>kvm_run = KvmRun::new(<span class="kw-2">&</span>vcpu, <span class="self">self</span>.vcpu_mmap_size)<span class="question-mark">?</span>; - <span class="prelude-val">Ok</span>(<span class="ident">Vcpu::new</span>(<span class="ident">vcpu</span>, <span class="ident">kvm_run</span>)) + <span class="prelude-val">Ok</span>(Vcpu::new(vcpu, kvm_run)) } } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
\ No newline at end of file +</code></pre></div></section></main></body></html>
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href="#147" id="147">147</a> +<a href="#148" id="148">148</a> +<a href="#149" id="149">149</a> +<a href="#150" id="150">150</a> +<a href="#151" id="151">151</a> +<a href="#152" id="152">152</a> +<a href="#153" id="153">153</a> +<a href="#154" id="154">154</a> +<a href="#155" id="155">155</a> +<a href="#156" id="156">156</a> +<a href="#157" id="157">157</a> +<a href="#158" id="158">158</a> +<a href="#159" id="159">159</a> +<a href="#160" id="160">160</a> +<a href="#161" id="161">161</a> +<a href="#162" id="162">162</a> +</pre></div><pre class="rust"><code><span class="doccomment">//! `x86_64` flags and bitfields. -<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">x86_64</span>::<span class="kw-2">*</span>; +</span><span class="kw">pub use </span>x86_64::<span class="kw-2">*</span>; -<span class="attribute">#[<span class="ident">rustfmt::skip</span>]</span> -<span class="kw">mod</span> <span class="ident">x86_64</span> { - <span class="comment">/* Rflags Register */</span> +<span class="attr">#[rustfmt::skip] +</span><span class="kw">mod </span>x86_64 { + <span class="comment">/* Rflags Register */ - <span class="doccomment">/// Carry flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_CF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Parity flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_PF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">2</span>; - <span class="doccomment">/// Adjust flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_AF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">4</span>; - <span class="doccomment">/// Zero flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_ZF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">6</span>; - <span class="doccomment">/// Sign flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_SF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">7</span>; - <span class="doccomment">/// Trap flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_TF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">8</span>; - <span class="doccomment">/// Sign flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_IF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">9</span>; - <span class="doccomment">/// Direction flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_DF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">10</span>; - <span class="doccomment">/// Overflow flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_OF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">11</span>; - <span class="doccomment">/// I/O privilege level.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_IOPL</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">0b11</span> <span class="op"><</span><span class="op"><</span> <span class="number">12</span>; - <span class="doccomment">/// Alignment check.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_AC</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">18</span>; + </span><span class="doccomment">/// Carry flag. + </span><span class="kw">pub const </span>RFLAGS_CF: u64 = <span class="number">1 </span><< <span class="number">0</span>; + <span class="doccomment">/// Parity flag. + </span><span class="kw">pub const </span>RFLAGS_PF: u64 = <span class="number">1 </span><< <span class="number">2</span>; + <span class="doccomment">/// Adjust flag. + </span><span class="kw">pub const </span>RFLAGS_AF: u64 = <span class="number">1 </span><< <span class="number">4</span>; + <span class="doccomment">/// Zero flag. + </span><span class="kw">pub const </span>RFLAGS_ZF: u64 = <span class="number">1 </span><< <span class="number">6</span>; + <span class="doccomment">/// Sign flag. + </span><span class="kw">pub const </span>RFLAGS_SF: u64 = <span class="number">1 </span><< <span class="number">7</span>; + <span class="doccomment">/// Trap flag. + </span><span class="kw">pub const </span>RFLAGS_TF: u64 = <span class="number">1 </span><< <span class="number">8</span>; + <span class="doccomment">/// Sign flag. + </span><span class="kw">pub const </span>RFLAGS_IF: u64 = <span class="number">1 </span><< <span class="number">9</span>; + <span class="doccomment">/// Direction flag. + </span><span class="kw">pub const </span>RFLAGS_DF: u64 = <span class="number">1 </span><< <span class="number">10</span>; + <span class="doccomment">/// Overflow flag. + </span><span class="kw">pub const </span>RFLAGS_OF: u64 = <span class="number">1 </span><< <span class="number">11</span>; + <span class="doccomment">/// I/O privilege level. + </span><span class="kw">pub const </span>RFLAGS_IOPL: u64 = <span class="number">0b11 </span><< <span class="number">12</span>; + <span class="doccomment">/// Alignment check. + </span><span class="kw">pub const </span>RFLAGS_AC: u64 = <span class="number">1 </span><< <span class="number">18</span>; - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_cf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_CF</span>) <span class="op">></span><span class="op">></span> <span class="number">0</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_pf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_PF</span>) <span class="op">></span><span class="op">></span> <span class="number">2</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_af</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_AF</span>) <span class="op">></span><span class="op">></span> <span class="number">4</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_zf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_ZF</span>) <span class="op">></span><span class="op">></span> <span class="number">6</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_sf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_SF</span>) <span class="op">></span><span class="op">></span> <span class="number">7</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_tf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_TF</span>) <span class="op">></span><span class="op">></span> <span class="number">8</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_if</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_IF</span>) <span class="op">></span><span class="op">></span> <span class="number">9</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_df</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_DF</span>) <span class="op">></span><span class="op">></span> <span class="number">10</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_of</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_OF</span>) <span class="op">></span><span class="op">></span> <span class="number">11</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_iopl</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_IOPL</span>) <span class="op">></span><span class="op">></span> <span class="number">12</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_ac</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_AC</span>) <span class="op">></span><span class="op">></span> <span class="number">18</span> } + <span class="kw">pub const fn </span>rflags_cf(r: u64) -> u64 { (r & RFLAGS_CF) >> <span class="number">0 </span>} + <span class="kw">pub const fn </span>rflags_pf(r: u64) -> u64 { (r & RFLAGS_PF) >> <span class="number">2 </span>} + <span class="kw">pub const fn </span>rflags_af(r: u64) -> u64 { (r & RFLAGS_AF) >> <span class="number">4 </span>} + <span class="kw">pub const fn </span>rflags_zf(r: u64) -> u64 { (r & RFLAGS_ZF) >> <span class="number">6 </span>} + <span class="kw">pub const fn </span>rflags_sf(r: u64) -> u64 { (r & RFLAGS_SF) >> <span class="number">7 </span>} + <span class="kw">pub const fn </span>rflags_tf(r: u64) -> u64 { (r & RFLAGS_TF) >> <span class="number">8 </span>} + <span class="kw">pub const fn </span>rflags_if(r: u64) -> u64 { (r & RFLAGS_IF) >> <span class="number">9 </span>} + <span class="kw">pub const fn </span>rflags_df(r: u64) -> u64 { (r & RFLAGS_DF) >> <span class="number">10 </span>} + <span class="kw">pub const fn </span>rflags_of(r: u64) -> u64 { (r & RFLAGS_OF) >> <span class="number">11 </span>} + <span class="kw">pub const fn </span>rflags_iopl(r: u64) -> u64 { (r & RFLAGS_IOPL) >> <span class="number">12 </span>} + <span class="kw">pub const fn </span>rflags_ac(r: u64) -> u64 { (r & RFLAGS_AC) >> <span class="number">18 </span>} - <span class="comment">/* Segment Selector */</span> + <span class="comment">/* Segment Selector */ - <span class="doccomment">/// Requested privilege level.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Privilege level of the segment selector, where `0` is the most privileged mode and `3` the</span> - <span class="doccomment">/// least.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SEG_SELECTOR_RPL</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">0b11</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Table indicator.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// | TI | Table |</span> - <span class="doccomment">/// |----|-------|</span> - <span class="doccomment">/// | 0 | GDT |</span> - <span class="doccomment">/// | 1 | LDT |</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SEG_SELECTOR_TI</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">2</span>; - <span class="doccomment">/// Table index.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Index into the `GDT` or `LDT` table to select the segment descriptor. `GDT.base + 8 * index`</span> - <span class="doccomment">/// gives the address of the segment descriptor (times `8` because every segment descriptor is `8</span> - <span class="doccomment">/// byte`).</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SEG_SELECTOR_INDEX</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">0x1fff</span> <span class="op"><</span><span class="op"><</span> <span class="number">3</span>; + </span><span class="doccomment">/// Requested privilege level. + /// + /// Privilege level of the segment selector, where `0` is the most privileged mode and `3` the + /// least. + </span><span class="kw">pub const </span>SEG_SELECTOR_RPL: u16 = <span class="number">0b11 </span><< <span class="number">0</span>; + <span class="doccomment">/// Table indicator. + /// + /// | TI | Table | + /// |----|-------| + /// | 0 | GDT | + /// | 1 | LDT | + </span><span class="kw">pub const </span>SEG_SELECTOR_TI: u16 = <span class="number">1 </span><< <span class="number">2</span>; + <span class="doccomment">/// Table index. + /// + /// Index into the `GDT` or `LDT` table to select the segment descriptor. `GDT.base + 8 * index` + /// gives the address of the segment descriptor (times `8` because every segment descriptor is `8 + /// byte`). + </span><span class="kw">pub const </span>SEG_SELECTOR_INDEX: u16 = <span class="number">0x1fff </span><< <span class="number">3</span>; - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">seg_selector_rpl</span>(<span class="ident">s</span>: <span class="ident">u16</span>) -> <span class="ident">u16</span> { (<span class="ident">s</span> <span class="op">&</span> <span class="ident">SEG_SELECTOR_RPL</span>) <span class="op">></span><span class="op">></span> <span class="number">0</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">seg_selector_ti</span>(<span class="ident">s</span>: <span class="ident">u16</span>) -> <span class="ident">u16</span> { (<span class="ident">s</span> <span class="op">&</span> <span class="ident">SEG_SELECTOR_TI</span>) <span class="op">></span><span class="op">></span> <span class="number">2</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">seg_selector_index</span>(<span class="ident">s</span>: <span class="ident">u16</span>) -> <span class="ident">u16</span> { (<span class="ident">s</span> <span class="op">&</span> <span class="ident">SEG_SELECTOR_INDEX</span>) <span class="op">></span><span class="op">></span> <span class="number">3</span> } + <span class="kw">pub const fn </span>seg_selector_rpl(s: u16) -> u16 { (s & SEG_SELECTOR_RPL) >> <span class="number">0 </span>} + <span class="kw">pub const fn </span>seg_selector_ti(s: u16) -> u16 { (s & SEG_SELECTOR_TI) >> <span class="number">2 </span>} + <span class="kw">pub const fn </span>seg_selector_index(s: u16) -> u16 { (s & SEG_SELECTOR_INDEX) >> <span class="number">3 </span>} - <span class="comment">/* Control Register CR0 (operation mode & state of the processor) */</span> + <span class="comment">/* Control Register CR0 (operation mode & state of the processor) */ - <span class="doccomment">/// Protection Enable.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Enables `protected mode` when set and `real-address mode` when cleared. This enables</span> - <span class="doccomment">/// `segment-level protection` not paging.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_PE</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Monitor Coprocessor.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_MP</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">1</span>; - <span class="doccomment">/// Emulation.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set indicates the process does not have a FPU. FPU instructions will generate an exception</span> - <span class="doccomment">/// that software can emulate the instruction.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_EM</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">2</span>; - <span class="doccomment">/// Task Switched.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_TS</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">3</span>; - <span class="doccomment">/// Extension Type.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_ET</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">4</span>; - <span class="doccomment">/// Numeric Error.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_NE</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">5</span>; - <span class="doccomment">/// Write Protect.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set supervisor-level procedures can't write to read-only pages.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_WP</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">16</span>; - <span class="doccomment">/// Alignment Mask.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Enables alignment check for `CPL=3`, check is only done if the [AC</span> - <span class="doccomment">/// bit](crate::x86_64::RFLAGS_AC) of the `rflags` register ist set.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_AM</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">18</span>; - <span class="doccomment">/// Not Write-Torugh.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_NW</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">29</span>; - <span class="doccomment">/// Cachine disable.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_CD</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">30</span>; - <span class="doccomment">/// Paging.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Enables paging when set, requires [CR0_PE](crate::x86_64::CR0_PE) to be set as well.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_PG</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">31</span>; + </span><span class="doccomment">/// Protection Enable. + /// + /// Enables `protected mode` when set and `real-address mode` when cleared. This enables + /// `segment-level protection` not paging. + </span><span class="kw">pub const </span>CR0_PE: u64 = <span class="number">1 </span><< <span class="number">0</span>; + <span class="doccomment">/// Monitor Coprocessor. + </span><span class="kw">pub const </span>CR0_MP: u64 = <span class="number">1 </span><< <span class="number">1</span>; + <span class="doccomment">/// Emulation. + /// + /// When set indicates the process does not have a FPU. FPU instructions will generate an exception + /// that software can emulate the instruction. + </span><span class="kw">pub const </span>CR0_EM: u64 = <span class="number">1 </span><< <span class="number">2</span>; + <span class="doccomment">/// Task Switched. + </span><span class="kw">pub const </span>CR0_TS: u64 = <span class="number">1 </span><< <span class="number">3</span>; + <span class="doccomment">/// Extension Type. + </span><span class="kw">pub const </span>CR0_ET: u64 = <span class="number">1 </span><< <span class="number">4</span>; + <span class="doccomment">/// Numeric Error. + </span><span class="kw">pub const </span>CR0_NE: u64 = <span class="number">1 </span><< <span class="number">5</span>; + <span class="doccomment">/// Write Protect. + /// + /// When set supervisor-level procedures can't write to read-only pages. + </span><span class="kw">pub const </span>CR0_WP: u64 = <span class="number">1 </span><< <span class="number">16</span>; + <span class="doccomment">/// Alignment Mask. + /// + /// Enables alignment check for `CPL=3`, check is only done if the [AC + /// bit](crate::x86_64::RFLAGS_AC) of the `rflags` register ist set. + </span><span class="kw">pub const </span>CR0_AM: u64 = <span class="number">1 </span><< <span class="number">18</span>; + <span class="doccomment">/// Not Write-Torugh. + </span><span class="kw">pub const </span>CR0_NW: u64 = <span class="number">1 </span><< <span class="number">29</span>; + <span class="doccomment">/// Cachine disable. + </span><span class="kw">pub const </span>CR0_CD: u64 = <span class="number">1 </span><< <span class="number">30</span>; + <span class="doccomment">/// Paging. + /// + /// Enables paging when set, requires [CR0_PE](crate::x86_64::CR0_PE) to be set as well. + </span><span class="kw">pub const </span>CR0_PG: u64 = <span class="number">1 </span><< <span class="number">31</span>; <span class="comment">/* Control Register CR3 (paging information) * * Holds the physical base address of the first paging structure. The 12 lower bytes of the base * address are assumed to be 0 and hence the first paging structure must be aligned to a 4K * boundary. - */</span> + */ - <span class="doccomment">/// Mask for physical base address of paging structure.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR3_PAGE_BASE_MASK</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">0xffff_ffff_ffff_0000</span>; + </span><span class="doccomment">/// Mask for physical base address of paging structure. + </span><span class="kw">pub const </span>CR3_PAGE_BASE_MASK: u64 = <span class="number">0xffff_ffff_ffff_0000</span>; - <span class="doccomment">/// Page-level Write-Through.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR3_PWT</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">3</span>; - <span class="doccomment">/// Page-level Cache Disable.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR3_PCD</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">4</span>; + <span class="doccomment">/// Page-level Write-Through. + </span><span class="kw">pub const </span>CR3_PWT: u64 = <span class="number">1 </span><< <span class="number">3</span>; + <span class="doccomment">/// Page-level Cache Disable. + </span><span class="kw">pub const </span>CR3_PCD: u64 = <span class="number">1 </span><< <span class="number">4</span>; - <span class="comment">/* Control Register CR4 (flags for arch extenstions processor capabilities) */</span> + <span class="comment">/* Control Register CR4 (flags for arch extenstions processor capabilities) */ - <span class="doccomment">/// Physical Address Extenstion.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set enables paging to produce physicall addresses with more than 32 bits. Required before</span> - <span class="doccomment">/// entering `long mode`.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR4_PAE</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">5</span>; - <span class="doccomment">/// 57-bit Linear Addresses.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set in `long mode` enables `5-level` paging to translate `57-bit` linear addresses. When</span> - <span class="doccomment">/// cleared use `4-level` paging to translate `48-bit` linear addresses.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR4_LA57</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">5</span>; + </span><span class="doccomment">/// Physical Address Extenstion. + /// + /// When set enables paging to produce physicall addresses with more than 32 bits. Required before + /// entering `long mode`. + </span><span class="kw">pub const </span>CR4_PAE: u64 = <span class="number">1 </span><< <span class="number">5</span>; + <span class="doccomment">/// 57-bit Linear Addresses. + /// + /// When set in `long mode` enables `5-level` paging to translate `57-bit` linear addresses. When + /// cleared use `4-level` paging to translate `48-bit` linear addresses. + </span><span class="kw">pub const </span>CR4_LA57: u64 = <span class="number">1 </span><< <span class="number">5</span>; - <span class="comment">/* Extended Feature Enable Register (EFER) */</span> + <span class="comment">/* Extended Feature Enable Register (EFER) */ - <span class="doccomment">/// Extended Feature Enable Register MSR number.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// MSR number used with the [`rdmsr`][msr] and [`wrmsr`][msr] instructions to read/write the</span> - <span class="doccomment">/// `EFER` model specific register.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [msr]: https://johannst.github.io/notes/arch/x86_64.html#model-specific-register-msr</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MSR_EFER</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">0xc000_0080</span>; + </span><span class="doccomment">/// Extended Feature Enable Register MSR number. + /// + /// MSR number used with the [`rdmsr`][msr] and [`wrmsr`][msr] instructions to read/write the + /// `EFER` model specific register. + /// + /// [msr]: https://johannst.github.io/notes/arch/x86_64.html#model-specific-register-msr + </span><span class="kw">pub const </span>MSR_EFER: u64 = <span class="number">0xc000_0080</span>; - <span class="doccomment">/// Long Mode Enable.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set enables long mode operations.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EFER_LME</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">8</span>; - <span class="doccomment">/// Long Mode Active (readonly).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set indicates long mode is active.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EFER_LMA</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">10</span>; + <span class="doccomment">/// Long Mode Enable. + /// + /// When set enables long mode operations. + </span><span class="kw">pub const </span>EFER_LME: u64 = <span class="number">1 </span><< <span class="number">8</span>; + <span class="doccomment">/// Long Mode Active (readonly). + /// + /// When set indicates long mode is active. + </span><span class="kw">pub const </span>EFER_LMA: u64 = <span class="number">1 </span><< <span class="number">10</span>; - <span class="comment">/* Paging */</span> + <span class="comment">/* Paging */ - <span class="doccomment">/// Page entry present.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PAGE_ENTRY_PRESENT</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Page region read/write.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// If set, region reference by paging entry is writeable.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PAGE_ENTRY_RW</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">1</span>; + </span><span class="doccomment">/// Page entry present. + </span><span class="kw">pub const </span>PAGE_ENTRY_PRESENT: u64 = <span class="number">1 </span><< <span class="number">0</span>; + <span class="doccomment">/// Page region read/write. + /// + /// If set, region reference by paging entry is writeable. + </span><span class="kw">pub const </span>PAGE_ENTRY_RW: u64 = <span class="number">1 </span><< <span class="number">1</span>; } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
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