vmx_lab 0.1.1

vt-x
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

//! Manages VM exits related to Virtual Processor Identifier (VPID) operations in Intel VT-x technology.

use crate::{invvpid::invvpid_all_contexts, vmexit::ExitType};

/// Handles the INVVPID VM exit.
///
/// Invalidates all VPID contexts and increments the VM's instruction pointer.
///
/// # Returns
///
/// * `ExitType::IncrementRIP` - Advances past the `INVVPID` instruction in the VM.
pub fn handle_invvpid() -> ExitType {
    log::debug!("Handling INVVPID VM exit...");

    // Invalidate all VPID contexts to ensure consistency of TLB entries with the current VM state.
    invvpid_all_contexts();

    log::debug!("INVVPID VMEXIT handled successfully!");

    // Indicate to increment the VM's instruction pointer post handling.
    ExitType::IncrementRIP
}