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impl From<TdCallError> for Error

This commit is contained in:
Hsy-Intel 2023-12-06 17:04:07 +08:00 committed by Tate, Hongliang Tian
parent 2d0f5253e9
commit 65ef055f4e
1 changed files with 25 additions and 32 deletions
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57
services/libs/jinux-std/src/device/tdxguest/mod.rs
View File

@ -1,4 +1,5 @@
use super::*;
use crate::error::Error;
use crate::events::IoEvents;
use crate::fs::inode_handle::FileIo;
use crate::fs::utils::IoctlCmd;
@ -28,6 +29,29 @@ impl Device for TdxGuest {
}
}
impl From<TdCallError> for Error {
fn from(err: TdCallError) -> Self {
match err {
TdCallError::TdxNoValidVeInfo => {
Error::with_message(Errno::EINVAL, "TdCallError::TdxNoValidVeInfo")
}
TdCallError::TdxOperandInvalid => {
Error::with_message(Errno::EINVAL, "TdCallError::TdxOperandInvalid")
}
TdCallError::TdxPageAlreadyAccepted => {
Error::with_message(Errno::EINVAL, "TdCallError::TdxPageAlreadyAccepted")
}
TdCallError::TdxPageSizeMismatch => {
Error::with_message(Errno::EINVAL, "TdCallError::TdxPageSizeMismatch")
}
TdCallError::TdxOperandBusy => {
Error::with_message(Errno::EBUSY, "TdCallError::TdxOperandBusy")
}
TdCallError::Other => Error::with_message(Errno::EAGAIN, "TdCallError::Other"),
}
}
}
impl FileIo for TdxGuest {
fn read(&self, buf: &mut [u8]) -> Result<usize> {
return_errno_with_message!(Errno::EPERM, "Read operation not supported")
@ -43,38 +67,7 @@ impl FileIo for TdxGuest {
let mut tdx_report: TdxReportRequest = read_val_from_user(arg)?;
match get_report(&mut tdx_report.tdreport, &tdx_report.reportdata) {
Ok(_) => {}
Err(err) => match err {
TdCallError::TdxNoValidVeInfo => {
return_errno_with_message!(
Errno::EINVAL,
"TdCallError::TdxNoValidVeInfo"
)
}
TdCallError::TdxOperandInvalid => {
return_errno_with_message!(
Errno::EINVAL,
"TdCallError::TdxOperandInvalid"
)
}
TdCallError::TdxPageAlreadyAccepted => {
return_errno_with_message!(
Errno::EINVAL,
"TdCallError::TdxPageAlreadyAccepted"
)
}
TdCallError::TdxPageSizeMismatch => {
return_errno_with_message!(
Errno::EINVAL,
"TdCallError::TdxPageSizeMismatch"
)
}
TdCallError::TdxOperandBusy => {
return_errno_with_message!(Errno::EBUSY, "TdCallError::TdxOperandBusy")
}
TdCallError::Other => {
return_errno_with_message!(Errno::EAGAIN, "TdCallError::Other")
}
},
Err(err) => return Err(err.into()),
};
write_val_to_user(arg, &tdx_report)?;
Ok(0)