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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! Definitions of the system header [`&lt;linux/kvm.h&gt;`][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>

<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 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">&quot;OUT_DIR&quot;</span>), <span class="string">&quot;/kvm_constants.rs&quot;</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="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="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="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="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="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="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="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="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="ident">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="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="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span>
<span class="ident">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="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="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">&lt;</span><span class="ident">kvm_regs</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_regs</span><span class="op">&gt;</span>(), <span class="ident">TEST_KVM_REGS_ALIGN</span>);
    }

    <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">&lt;</span><span class="ident">kvm_segment</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_segment</span><span class="op">&gt;</span>(), <span class="ident">TEST_KVM_SEGMENT_ALIGN</span>);
    }

    <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">&lt;</span><span class="ident">kvm_dtable</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_dtable</span><span class="op">&gt;</span>(), <span class="ident">TEST_KVM_DTABLE_ALIGN</span>);
    }

    <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">&lt;</span><span class="ident">kvm_sregs</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_sregs</span><span class="op">&gt;</span>(), <span class="ident">TEST_KVM_SREGS_ALIGN</span>);
        <span class="macro">assert_eq!</span>(
            <span class="ident">mem::size_of_val</span>(<span class="kw-2">&amp;</span><span class="ident">kvm_sregs::default</span>().<span class="ident">interrupt_bitmap</span>),
            <span class="ident">TEST_KVM_SREGS_INTERRTUP_BITMAP_SIZE</span>
        );
    }

    <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="macro">assert_eq!</span>(
            <span class="ident">mem::size_of</span>::<span class="op">&lt;</span><span class="ident">kvm_userspace_memory_region</span><span class="op">&gt;</span>(),
            <span class="ident">TEST_KVM_USERSPACE_MEMORY_REGION_SIZE</span>
        );
        <span class="macro">assert_eq!</span>(
            <span class="ident">mem::align_of</span>::<span class="op">&lt;</span><span class="ident">kvm_userspace_memory_region</span><span class="op">&gt;</span>(),
            <span class="ident">TEST_KVM_USERSPACE_MEMORY_REGION_ALIGN</span>
        );
    }

    <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">&lt;</span><span class="ident">kvm_run</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_run</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_run_io</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_run_mmio</span><span class="op">&gt;</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">&lt;</span><span class="ident">kvm_run_union_s</span><span class="op">&gt;</span>(), <span class="ident">TEST_KVM_RUN_UNION_S_SIZE</span>);
    }
}
</pre></div>
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