diff options
Diffstat (limited to 'crosvm_plugin/src/lib.rs')
| -rw-r--r-- | crosvm_plugin/src/lib.rs | 138 |
1 files changed, 137 insertions, 1 deletions
diff --git a/crosvm_plugin/src/lib.rs b/crosvm_plugin/src/lib.rs index e5c9844..3fa4338 100644 --- a/crosvm_plugin/src/lib.rs +++ b/crosvm_plugin/src/lib.rs @@ -43,7 +43,8 @@ use sys_util::Scm; use kvm::dirty_log_bitmap_size; -use kvm_sys::{kvm_regs, kvm_sregs, kvm_fpu, kvm_debugregs, kvm_msr_entry, kvm_cpuid_entry2}; +use kvm_sys::{kvm_regs, kvm_sregs, kvm_fpu, kvm_debugregs, kvm_msr_entry, kvm_cpuid_entry2, + kvm_lapic_state, kvm_mp_state, kvm_pic_state, kvm_ioapic_state, kvm_pit_state2}; use plugin_proto::*; @@ -354,6 +355,34 @@ impl crosvm { Ok(()) } + fn get_state(&mut self, state_set: MainRequest_StateSet, out: &mut [u8]) + -> result::Result<(), c_int> { + let mut r = MainRequest::new(); + r.mut_get_state().set = state_set; + let (response, _) = self.main_transaction(&r, &[])?; + if !response.has_get_state() { + return Err(EPROTO); + } + let get_state: &MainResponse_GetState = response.get_get_state(); + if get_state.state.len() != out.len() { + return Err(EPROTO); + } + out.copy_from_slice(&get_state.state); + Ok(()) + } + + fn set_state(&mut self, state_set: MainRequest_StateSet, new_state: &[u8]) + -> result::Result<(), c_int> { + let mut r = MainRequest::new(); + { + let set_state: &mut MainRequest_SetState = r.mut_set_state(); + set_state.set = state_set; + set_state.state = new_state.to_vec(); + } + self.main_transaction(&r, &[])?; + Ok(()) + } + fn set_identity_map_addr(&mut self, addr: u32) -> result::Result<(), c_int> { let mut r = MainRequest::new(); r.mut_set_identity_map_addr().address = addr; @@ -1002,6 +1031,71 @@ pub unsafe extern "C" fn crosvm_set_irq_routing(self_: *mut crosvm, } #[no_mangle] +pub unsafe extern "C" fn crosvm_get_pic_state(this: *mut crosvm, + primary: bool, + state: *mut kvm_pic_state) + -> c_int { + let this = &mut *this; + let state_set = if primary { MainRequest_StateSet::PIC0 } else { MainRequest_StateSet::PIC1 }; + let state = from_raw_parts_mut(state as *mut u8, size_of::<kvm_pic_state>()); + let ret = this.get_state(state_set, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_set_pic_state(this: *mut crosvm, + primary: bool, + state: *mut kvm_pic_state) + -> c_int { + let this = &mut *this; + let state_set = if primary { MainRequest_StateSet::PIC0 } else { MainRequest_StateSet::PIC1 }; + let state = from_raw_parts(state as *mut u8, size_of::<kvm_pic_state>()); + let ret = this.set_state(state_set, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_get_ioapic_state(this: *mut crosvm, + state: *mut kvm_ioapic_state) + -> c_int { + let this = &mut *this; + let state = from_raw_parts_mut(state as *mut u8, size_of::<kvm_ioapic_state>()); + let ret = this.get_state(MainRequest_StateSet::IOAPIC, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_set_ioapic_state(this: *mut crosvm, + state: *const kvm_ioapic_state) + -> c_int { + + let this = &mut *this; + let state = from_raw_parts(state as *mut u8, size_of::<kvm_ioapic_state>()); + let ret = this.set_state(MainRequest_StateSet::IOAPIC, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_get_pit_state(this: *mut crosvm, + state: *mut kvm_pit_state2) + -> c_int { + let this = &mut *this; + let state = from_raw_parts_mut(state as *mut u8, size_of::<kvm_pit_state2>()); + let ret = this.get_state(MainRequest_StateSet::PIT, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_set_pit_state(this: *mut crosvm, + state: *const kvm_pit_state2) + -> c_int { + let this = &mut *this; + let state = from_raw_parts(state as *mut u8, size_of::<kvm_pit_state2>()); + let ret = this.set_state(MainRequest_StateSet::PIT, state); + to_crosvm_rc(ret) +} + +#[no_mangle] pub unsafe extern "C" fn crosvm_set_identity_map_addr(self_: *mut crosvm, addr: u32) -> c_int { let self_ = &mut (*self_); let ret = self_.set_identity_map_addr(addr); @@ -1164,3 +1258,45 @@ pub unsafe extern "C" fn crosvm_vcpu_set_cpuid(this: *mut crosvm_vcpu, let ret = this.set_cpuid(cpuid_entries); to_crosvm_rc(ret) } + +#[no_mangle] +pub unsafe extern "C" fn crosvm_vcpu_get_lapic_state(this: *mut crosvm_vcpu, + state: *mut kvm_lapic_state) + -> c_int { + let this = &mut *this; + let state = from_raw_parts_mut(state as *mut u8, size_of::<kvm_lapic_state>()); + let ret = this.get_state(VcpuRequest_StateSet::LAPIC, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_vcpu_set_lapic_state(this: *mut crosvm_vcpu, + state: *const kvm_lapic_state) + -> c_int { + + let this = &mut *this; + let state = from_raw_parts(state as *mut u8, size_of::<kvm_lapic_state>()); + let ret = this.set_state(VcpuRequest_StateSet::LAPIC, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_vcpu_get_mp_state(this: *mut crosvm_vcpu, + state: *mut kvm_mp_state) + -> c_int { + let this = &mut *this; + let state = from_raw_parts_mut(state as *mut u8, size_of::<kvm_mp_state>()); + let ret = this.get_state(VcpuRequest_StateSet::MP, state); + to_crosvm_rc(ret) +} + +#[no_mangle] +pub unsafe extern "C" fn crosvm_vcpu_set_mp_state(this: *mut crosvm_vcpu, + state: *const kvm_mp_state) + -> c_int { + + let this = &mut *this; + let state = from_raw_parts(state as *mut u8, size_of::<kvm_mp_state>()); + let ret = this.set_state(VcpuRequest_StateSet::MP, state); + to_crosvm_rc(ret) +} |