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virtio-devices: Print error on notification BAR read/write

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This should not occur as ioeventfd is used for notification. Such an
error message would have made the discovery of the underlying cause of

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2022-02-09 09:54:42 +00:00 committed by Sebastien Boeuf
parent 8c170570c4
commit e864e35c29
1 changed files with 2 additions and 0 deletions
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2
virtio-devices/src/transport/pci_device.rs
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@ -974,6 +974,7 @@ impl PciDevice for VirtioPciDevice {
&& o < NOTIFICATION_BAR_OFFSET + NOTIFICATION_SIZE =>
{
// Handled with ioeventfds.
error!("Unexpected read from notification BAR: offset = 0x{:x}", o);
}
o if MSIX_TABLE_BAR_OFFSET <= o && o < MSIX_TABLE_BAR_OFFSET + MSIX_TABLE_SIZE => {
if let Some(msix_config) = &self.msix_config {
@ -1019,6 +1020,7 @@ impl PciDevice for VirtioPciDevice {
&& o < NOTIFICATION_BAR_OFFSET + NOTIFICATION_SIZE =>
{
// Handled with ioeventfds.
error!("Unexpected write to notification BAR: offset = 0x{:x}", o);
}
o if MSIX_TABLE_BAR_OFFSET <= o && o < MSIX_TABLE_BAR_OFFSET + MSIX_TABLE_SIZE => {
if let Some(msix_config) = &self.msix_config {