External/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2025-02-01 17:35:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

virtio-devices: vhost-user: Derive thiserror::Error

Browse Source 
Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2022-08-10 14:34:44 -07:00 committed by Rob Bradford
parent f39b08f21f
commit 4a2539cb92
1 changed files with 53 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

105
virtio-devices/src/vhost_user/mod.rs
View File

@ -12,6 +12,7 @@ use std::io;
use std::ops::Deref;
use std::os::unix::io::AsRawFd;
use std::sync::{atomic::AtomicBool, Arc, Barrier, Mutex};
use thiserror::Error;
use versionize::Versionize;
use vhost::vhost_user::message::{
VhostUserInflight, VhostUserProtocolFeatures, VhostUserVirtioFeatures,
@ -38,109 +39,109 @@ pub use self::fs::*;
pub use self::net::Net;
pub use self::vu_common_ctrl::VhostUserConfig;
#[derive(Debug)]
#[derive(Error, Debug)]
pub enum Error {
/// Failed accepting connection.
#[error("Failed accepting connection: {0}")]
AcceptConnection(io::Error),
/// Invalid available address.
#[error("Invalid available address.")]
AvailAddress,
/// Queue number is not correct
#[error("Queue number is not correct.")]
BadQueueNum,
/// Failed binding vhost-user socket.
#[error("Failed binding vhost-user socket: {0}")]
BindSocket(io::Error),
/// Creating kill eventfd failed.
#[error("Creating kill eventfd failed: {0}")]
CreateKillEventFd(io::Error),
/// Cloning kill eventfd failed.
#[error("Cloning kill eventfd failed: {0}")]
CloneKillEventFd(io::Error),
/// Invalid descriptor table address.
#[error("Invalid descriptor table address.")]
DescriptorTableAddress,
/// Signal used queue failed.
#[error("Signal used queue failed: {0}")]
FailedSignalingUsedQueue(io::Error),
/// Failed to read vhost eventfd.
#[error("Failed to read vhost eventfd: {0}")]
MemoryRegions(MmapError),
/// Failed removing socket path
#[error("Failed removing socket path: {0}")]
RemoveSocketPath(io::Error),
/// Failed to create master.
#[error("Failed to create master: {0}")]
VhostUserCreateMaster(VhostError),
/// Failed to open vhost device.
#[error("Failed to open vhost device: {0}")]
VhostUserOpen(VhostError),
/// Connection to socket failed.
#[error("Connection to socket failed.")]
VhostUserConnect,
/// Get features failed.
#[error("Get features failed: {0}")]
VhostUserGetFeatures(VhostError),
/// Get queue max number failed.
#[error("Get queue max number failed: {0}")]
VhostUserGetQueueMaxNum(VhostError),
/// Get protocol features failed.
#[error("Get protocol features failed: {0}")]
VhostUserGetProtocolFeatures(VhostError),
/// Get vring base failed.
#[error("Get vring base failed: {0}")]
VhostUserGetVringBase(VhostError),
/// Vhost-user Backend not support vhost-user protocol.
#[error("Vhost-user Backend not support vhost-user protocol.")]
VhostUserProtocolNotSupport,
/// Set owner failed.
#[error("Set owner failed: {0}")]
VhostUserSetOwner(VhostError),
/// Reset owner failed.
#[error("Reset owner failed: {0}")]
VhostUserResetOwner(VhostError),
/// Set features failed.
#[error("Set features failed: {0}")]
VhostUserSetFeatures(VhostError),
/// Set protocol features failed.
#[error("Set protocol features failed: {0}")]
VhostUserSetProtocolFeatures(VhostError),
/// Set mem table failed.
#[error("Set mem table failed: {0}")]
VhostUserSetMemTable(VhostError),
/// Set vring num failed.
#[error("Set vring num failed: {0}")]
VhostUserSetVringNum(VhostError),
/// Set vring addr failed.
#[error("Set vring addr failed: {0}")]
VhostUserSetVringAddr(VhostError),
/// Set vring base failed.
#[error("Set vring base failed: {0}")]
VhostUserSetVringBase(VhostError),
/// Set vring call failed.
#[error("Set vring call failed: {0}")]
VhostUserSetVringCall(VhostError),
/// Set vring kick failed.
#[error("Set vring kick failed: {0}")]
VhostUserSetVringKick(VhostError),
/// Set vring enable failed.
#[error("Set vring enable failed: {0}")]
VhostUserSetVringEnable(VhostError),
/// Failed to create vhost eventfd.
#[error("Failed to create vhost eventfd: {0}")]
VhostIrqCreate(io::Error),
/// Failed to read vhost eventfd.
#[error("Failed to read vhost eventfd: {0}")]
VhostIrqRead(io::Error),
/// Failed to read vhost eventfd.
#[error("Failed to read vhost eventfd: {0}")]
VhostUserMemoryRegion(MmapError),
/// Failed to create the master request handler from slave.
#[error("Failed to create the master request handler from slave: {0}")]
MasterReqHandlerCreation(vhost::vhost_user::Error),
/// Set slave request fd failed.
#[error("Set slave request fd failed: {0}")]
VhostUserSetSlaveRequestFd(vhost::Error),
/// Add memory region failed.
#[error("Add memory region failed: {0}")]
VhostUserAddMemReg(VhostError),
/// Failed getting the configuration.
#[error("Failed getting the configuration: {0}")]
VhostUserGetConfig(VhostError),
/// Failed setting the configuration.
#[error("Failed setting the configuration: {0}")]
VhostUserSetConfig(VhostError),
/// Failed getting inflight shm log.
#[error("Failed getting inflight shm log: {0}")]
VhostUserGetInflight(VhostError),
/// Failed setting inflight shm log.
#[error("Failed setting inflight shm log: {0}")]
VhostUserSetInflight(VhostError),
/// Failed setting the log base.
#[error("Failed setting the log base: {0}")]
VhostUserSetLogBase(VhostError),
/// Invalid used address.
#[error("Invalid used address.")]
UsedAddress,
/// Invalid features provided from vhost-user backend
#[error("Invalid features provided from vhost-user backe.")]
InvalidFeatures,
/// Missing file descriptor for the region.
#[error("Missing file descriptor for the region.")]
MissingRegionFd,
/// Missing IrqFd
#[error("Missing IrqFd.")]
MissingIrqFd,
/// Failed getting the available index.
#[error("Failed getting the available index: {0}")]
GetAvailableIndex(QueueError),
/// Migration is not supported by this vhost-user device.
#[error("Migration is not supported by this vhost-user device.")]
MigrationNotSupported,
/// Failed creating memfd.
#[error("Failed creating memfd: {0}")]
MemfdCreate(io::Error),
/// Failed truncating the file size to the expected size.
#[error("Failed truncating the file size to the expected size: {0}")]
SetFileSize(io::Error),
/// Failed to set the seals on the file.
#[error("Failed to set the seals on the file: {0}")]
SetSeals(io::Error),
/// Failed creating new mmap region
#[error("Failed creating new mmap region: {0}")]
NewMmapRegion(MmapRegionError),
/// Could not find the shm log region
#[error("Could not find the shm log region.")]
MissingShmLogRegion,
}
type Result<T> = std::result::Result<T, Error>;