1 /* 2 * Copyright (c) 2024 Google Inc. All rights reserved 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files 6 * (the "Software"), to deal in the Software without restriction, 7 * including without limitation the rights to use, copy, modify, merge, 8 * publish, distribute, sublicense, and/or sell copies of the Software, 9 * and to permit persons to whom the Software is furnished to do so, 10 * subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 24 use virtio_drivers::transport::pci::VirtioPciError; 25 26 #[cfg(target_arch = "aarch64")] 27 use hypervisor_backends::KvmError; 28 use rust_support::Error as LkError; 29 use virtio_drivers::Error as VirtioError; 30 31 #[derive(Debug)] 32 pub enum Error { 33 #[allow(dead_code)] 34 Pci(VirtioPciError), 35 #[allow(dead_code)] 36 Virtio(VirtioError), 37 Lk(LkError), 38 #[cfg(target_arch = "aarch64")] 39 KvmError(KvmError), 40 } 41 42 impl From<VirtioPciError> for Error { from(e: VirtioPciError) -> Self43 fn from(e: VirtioPciError) -> Self { 44 Self::Pci(e) 45 } 46 } 47 48 impl From<VirtioError> for Error { from(e: VirtioError) -> Self49 fn from(e: VirtioError) -> Self { 50 Self::Virtio(e) 51 } 52 } 53 54 impl From<LkError> for Error { from(e: LkError) -> Self55 fn from(e: LkError) -> Self { 56 Self::Lk(e) 57 } 58 } 59 60 #[cfg(target_arch = "aarch64")] 61 impl From<KvmError> for Error { from(e: KvmError) -> Self62 fn from(e: KvmError) -> Self { 63 Self::KvmError(e) 64 } 65 } 66 67 impl Error { into_c(self) -> i3268 pub fn into_c(self) -> i32 { 69 match self { 70 Self::Pci(_) => rust_support::Error::ERR_GENERIC, 71 Self::Virtio(_) => rust_support::Error::ERR_GENERIC, 72 #[cfg(target_arch = "aarch64")] 73 Self::KvmError(_) => rust_support::Error::ERR_GENERIC, 74 Self::Lk(e) => e, 75 } 76 .into() 77 } 78 } 79