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hypervisor: Remove mshv specific type from translate_gva

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`translate_gva` returns mshv-specific type `hv_translate_gva_result`.
This return type is not a problem since this function is implemented
only for mshv, but we need to remove the type as the same function will
be implemented for KVM in PR #3575. This commit replaces the
mshv-specific type with `u32`.

Signed-off-by: Akira Moroo <retrage01@gmail.com>
This commit is contained in:
Akira Moroo 2022-02-19 14:52:48 +09:00 committed by Rob Bradford
parent afb1c761ec
commit 7c6bdf8804
2 changed files with 9 additions and 9 deletions
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4
hypervisor/src/cpu.rs
View File

@ -29,8 +29,6 @@ use crate::SuspendRegisters;
use crate::Xsave;
#[cfg(feature = "tdx")]
use crate::{TdxExitDetails, TdxExitStatus};
#[cfg(feature = "mshv")]
use mshv_bindings::*;
use thiserror::Error;
#[derive(Error, Debug)]
@ -463,7 +461,7 @@ pub trait Vcpu: Send + Sync {
///
/// Translate guest virtual address to guest physical address
///
fn translate_gva(&self, gva: u64, flags: u64) -> Result<(u64, hv_translate_gva_result)>;
fn translate_gva(&self, gva: u64, flags: u64) -> Result<(u64, u32)>;
///
/// Initialize TDX support on the vCPU
///

14
hypervisor/src/mshv/mod.rs
View File

@ -561,13 +561,17 @@ impl cpu::Vcpu for MshvVcpu {
///
/// Translate guest virtual address to guest physical address
///
fn translate_gva(&self, gva: u64, flags: u64) -> cpu::Result<(u64, hv_translate_gva_result)> {
fn translate_gva(&self, gva: u64, flags: u64) -> cpu::Result<(u64, u32)> {
let r = self
.fd
.translate_gva(gva, flags)
.map_err(|e| cpu::HypervisorCpuError::TranslateVirtualAddress(e.into()))?;
Ok(r)
let gpa = r.0;
// SAFETY: r is valid, otherwise this function will have returned
let result_code = unsafe { r.1.__bindgen_anon_1.result_code };
Ok((gpa, result_code))
}
#[cfg(target_arch = "x86_64")]
///
@ -626,15 +630,13 @@ impl<'a> MshvEmulatorContext<'a> {
// TODO: More fine-grained control for the flags
let flags = HV_TRANSLATE_GVA_VALIDATE_READ | HV_TRANSLATE_GVA_VALIDATE_WRITE;
let r = self
let (gpa, result_code) = self
.vcpu
.translate_gva(gva, flags.into())
.map_err(|e| PlatformError::TranslateVirtualAddress(anyhow!(e)))?;
// SAFETY: r is valid, otherwise this function will have returned
let result_code = unsafe { r.1.__bindgen_anon_1.result_code };
match result_code {
hv_translate_gva_result_code_HV_TRANSLATE_GVA_SUCCESS => Ok(r.0),
hv_translate_gva_result_code_HV_TRANSLATE_GVA_SUCCESS => Ok(gpa),
_ => Err(PlatformError::TranslateVirtualAddress(anyhow!(result_code))),
}
}