alioth/src/hv/hvf/vcpu/vmentry.rs - 957f63d

vmentry.rs0.00%

// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
use std::io::ErrorKind;
 
use snafu::ResultExt;
 
use crate::hv::hvf::check_ret;
use crate::hv::hvf::vcpu::HvfVcpu;
use crate::hv::{Result, error};
use crate::sys::hvf::hv_vcpu_set_reg;
 
impl HvfVcpu {
    pub fn entry_mmio(&mut self, data: u64) -> Result<()> {
        let Some(reg) = self.exit_reg.take() else {
            return Err(ErrorKind::InvalidInput.into()).context(error::RunVcpu);
        };
        let ret = unsafe { hv_vcpu_set_reg(self.vcpu_id, reg, data) };
        check_ret(ret).context(error::VcpuReg)
    }
}
 