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virtio-devices: vhost-user: Derive thiserror::Error
Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen
Rob Bradford
parent
f39b08f21f
commit
4a2539cb92
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@ -12,6 +12,7 @@ use std::io;
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use std::ops::Deref;
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use std::os::unix::io::AsRawFd;
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use std::sync::{atomic::AtomicBool, Arc, Barrier, Mutex};
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use thiserror::Error;
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use versionize::Versionize;
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use vhost::vhost_user::message::{
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VhostUserInflight, VhostUserProtocolFeatures, VhostUserVirtioFeatures,
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@ -38,109 +39,109 @@ pub use self::fs::*;
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pub use self::net::Net;
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pub use self::vu_common_ctrl::VhostUserConfig;
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#[derive(Debug)]
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#[derive(Error, Debug)]
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pub enum Error {
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/// Failed accepting connection.
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#[error("Failed accepting connection: {0}")]
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AcceptConnection(io::Error),
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/// Invalid available address.
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#[error("Invalid available address.")]
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AvailAddress,
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/// Queue number is not correct
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#[error("Queue number is not correct.")]
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BadQueueNum,
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/// Failed binding vhost-user socket.
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#[error("Failed binding vhost-user socket: {0}")]
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BindSocket(io::Error),
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/// Creating kill eventfd failed.
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#[error("Creating kill eventfd failed: {0}")]
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CreateKillEventFd(io::Error),
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/// Cloning kill eventfd failed.
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#[error("Cloning kill eventfd failed: {0}")]
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CloneKillEventFd(io::Error),
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/// Invalid descriptor table address.
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#[error("Invalid descriptor table address.")]
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DescriptorTableAddress,
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/// Signal used queue failed.
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#[error("Signal used queue failed: {0}")]
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FailedSignalingUsedQueue(io::Error),
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/// Failed to read vhost eventfd.
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#[error("Failed to read vhost eventfd: {0}")]
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MemoryRegions(MmapError),
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/// Failed removing socket path
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#[error("Failed removing socket path: {0}")]
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RemoveSocketPath(io::Error),
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/// Failed to create master.
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#[error("Failed to create master: {0}")]
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VhostUserCreateMaster(VhostError),
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/// Failed to open vhost device.
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#[error("Failed to open vhost device: {0}")]
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VhostUserOpen(VhostError),
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/// Connection to socket failed.
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#[error("Connection to socket failed.")]
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VhostUserConnect,
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/// Get features failed.
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#[error("Get features failed: {0}")]
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VhostUserGetFeatures(VhostError),
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/// Get queue max number failed.
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#[error("Get queue max number failed: {0}")]
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VhostUserGetQueueMaxNum(VhostError),
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/// Get protocol features failed.
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#[error("Get protocol features failed: {0}")]
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VhostUserGetProtocolFeatures(VhostError),
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/// Get vring base failed.
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#[error("Get vring base failed: {0}")]
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VhostUserGetVringBase(VhostError),
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/// Vhost-user Backend not support vhost-user protocol.
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#[error("Vhost-user Backend not support vhost-user protocol.")]
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VhostUserProtocolNotSupport,
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/// Set owner failed.
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#[error("Set owner failed: {0}")]
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VhostUserSetOwner(VhostError),
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/// Reset owner failed.
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#[error("Reset owner failed: {0}")]
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VhostUserResetOwner(VhostError),
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/// Set features failed.
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#[error("Set features failed: {0}")]
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VhostUserSetFeatures(VhostError),
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/// Set protocol features failed.
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#[error("Set protocol features failed: {0}")]
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VhostUserSetProtocolFeatures(VhostError),
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/// Set mem table failed.
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#[error("Set mem table failed: {0}")]
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VhostUserSetMemTable(VhostError),
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/// Set vring num failed.
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#[error("Set vring num failed: {0}")]
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VhostUserSetVringNum(VhostError),
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/// Set vring addr failed.
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#[error("Set vring addr failed: {0}")]
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VhostUserSetVringAddr(VhostError),
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/// Set vring base failed.
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#[error("Set vring base failed: {0}")]
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VhostUserSetVringBase(VhostError),
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/// Set vring call failed.
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#[error("Set vring call failed: {0}")]
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VhostUserSetVringCall(VhostError),
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/// Set vring kick failed.
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#[error("Set vring kick failed: {0}")]
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VhostUserSetVringKick(VhostError),
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/// Set vring enable failed.
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#[error("Set vring enable failed: {0}")]
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VhostUserSetVringEnable(VhostError),
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/// Failed to create vhost eventfd.
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#[error("Failed to create vhost eventfd: {0}")]
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VhostIrqCreate(io::Error),
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/// Failed to read vhost eventfd.
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#[error("Failed to read vhost eventfd: {0}")]
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VhostIrqRead(io::Error),
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/// Failed to read vhost eventfd.
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#[error("Failed to read vhost eventfd: {0}")]
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VhostUserMemoryRegion(MmapError),
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/// Failed to create the master request handler from slave.
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#[error("Failed to create the master request handler from slave: {0}")]
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MasterReqHandlerCreation(vhost::vhost_user::Error),
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/// Set slave request fd failed.
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#[error("Set slave request fd failed: {0}")]
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VhostUserSetSlaveRequestFd(vhost::Error),
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/// Add memory region failed.
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#[error("Add memory region failed: {0}")]
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VhostUserAddMemReg(VhostError),
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/// Failed getting the configuration.
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#[error("Failed getting the configuration: {0}")]
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VhostUserGetConfig(VhostError),
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/// Failed setting the configuration.
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#[error("Failed setting the configuration: {0}")]
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VhostUserSetConfig(VhostError),
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/// Failed getting inflight shm log.
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#[error("Failed getting inflight shm log: {0}")]
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VhostUserGetInflight(VhostError),
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/// Failed setting inflight shm log.
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#[error("Failed setting inflight shm log: {0}")]
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VhostUserSetInflight(VhostError),
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/// Failed setting the log base.
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#[error("Failed setting the log base: {0}")]
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VhostUserSetLogBase(VhostError),
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/// Invalid used address.
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#[error("Invalid used address.")]
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UsedAddress,
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/// Invalid features provided from vhost-user backend
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#[error("Invalid features provided from vhost-user backe.")]
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InvalidFeatures,
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/// Missing file descriptor for the region.
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#[error("Missing file descriptor for the region.")]
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MissingRegionFd,
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/// Missing IrqFd
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#[error("Missing IrqFd.")]
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MissingIrqFd,
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/// Failed getting the available index.
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#[error("Failed getting the available index: {0}")]
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GetAvailableIndex(QueueError),
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/// Migration is not supported by this vhost-user device.
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#[error("Migration is not supported by this vhost-user device.")]
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MigrationNotSupported,
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/// Failed creating memfd.
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#[error("Failed creating memfd: {0}")]
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MemfdCreate(io::Error),
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/// Failed truncating the file size to the expected size.
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#[error("Failed truncating the file size to the expected size: {0}")]
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SetFileSize(io::Error),
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/// Failed to set the seals on the file.
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#[error("Failed to set the seals on the file: {0}")]
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SetSeals(io::Error),
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/// Failed creating new mmap region
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#[error("Failed creating new mmap region: {0}")]
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NewMmapRegion(MmapRegionError),
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/// Could not find the shm log region
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#[error("Could not find the shm log region.")]
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MissingShmLogRegion,
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}
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type Result<T> = std::result::Result<T, Error>;
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