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Implement the KVM_TDX_INIT_VCPU ioctl. Signed-off-by: Jake Correnti <[email protected]>
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// SPDX-License-Identifier: Apache-2.0 | ||
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pub mod ioctl; |
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// SPDX-License-Identifier: Apache-2.0 | ||
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mod linux; | ||
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use crate::linux::{Cmd, CmdId, TdxError}; | ||
use kvm_bindings::*; | ||
use vmm_sys_util::*; | ||
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vmm_sys_util::ioctl_iowr_nr!(KVM_MEMORY_ENCRYPT_OP, KVMIO, 0xba, std::os::raw::c_ulong); | ||
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pub struct TdxVcpu { | ||
pub fd: kvm_ioctls::VcpuFd, | ||
} | ||
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impl TdxVcpu { | ||
pub fn new(vm: &crate::vm::TdxVm, id: u64) -> Result<TdxVcpu, crate::linux::TdxError> { | ||
let vcpufd = vm.fd.create_vcpu(id)?; | ||
Ok(Self {fd: vcpufd}) | ||
} | ||
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/// TDX specific VCPU initialization using a TDVF HOB address | ||
pub fn init_vcpu(&self, hob_addr: u64) -> Result<(), TdxError> { | ||
let mut cmd = Cmd { | ||
id: CmdId::InitVcpu as u32, | ||
flags: 0, | ||
data: hob_addr as *const u64 as _, | ||
error: 0, | ||
_unused: 0, | ||
}; | ||
let ret = unsafe { ioctl::ioctl_with_mut_ptr(&self.fd, KVM_MEMORY_ENCRYPT_OP(), &mut cmd) }; | ||
if ret < 0 { | ||
return Err(TdxError::from(ret)); | ||
} | ||
Ok(()) | ||
} | ||
} |
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