xen/ctrl/event/
data.rs

1use xen_sys::{vm_event_emul_insn_data, vm_event_emul_read_data, vm_event_regs_x86};
2
3use super::VmEventRegs;
4
5const SIZE_OF_EMUL_DATA: usize = size_of::<vm_event_regs_x86>() - size_of::<u32>();
6
7#[derive(Debug)]
8pub struct VmEventEmulReadData {
9    pub size: u32,
10
11    // The struct is used in a union with vm_event_regs_x86.
12    pub data: [u8; SIZE_OF_EMUL_DATA],
13}
14
15impl Default for VmEventEmulReadData {
16    fn default() -> Self {
17        Self {
18            size: 0,
19            data: [0; SIZE_OF_EMUL_DATA],
20        }
21    }
22}
23
24impl From<vm_event_emul_read_data> for VmEventEmulReadData {
25    fn from(value: vm_event_emul_read_data) -> Self {
26        Self {
27            size: value.size,
28            data: value.data,
29        }
30    }
31}
32
33impl From<VmEventEmulReadData> for vm_event_emul_read_data {
34    fn from(value: VmEventEmulReadData) -> Self {
35        Self {
36            size: value.size,
37            data: value.data,
38        }
39    }
40}
41
42#[derive(Debug, Default)]
43pub struct VmEventEmulInsnData {
44    pub data: [u8; 16], // Has to be completely filled
45}
46
47impl From<vm_event_emul_insn_data> for VmEventEmulInsnData {
48    fn from(value: vm_event_emul_insn_data) -> Self {
49        Self { data: value.data }
50    }
51}
52
53impl From<VmEventEmulInsnData> for vm_event_emul_insn_data {
54    fn from(value: VmEventEmulInsnData) -> Self {
55        Self { data: value.data }
56    }
57}
58
59#[derive(Debug)]
60pub enum VmEventData {
61    Registers(VmEventRegs),
62    EmulReadData(VmEventEmulReadData),
63    EmulInstructionData(VmEventEmulInsnData),
64}
xen/ctrl/event/data.rs

xen/ctrl/event/
data.rs
