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habanalabs: add warning print upon a PCI error

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In order to know if driver catches PCI errors correctly, we need to
print a warning per each error.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton
2022-10-19 14:05:18 +03:00
committed by Oded Gabbay
parent fc69aa8640
commit bdfef91e7c
1 changed files with 7 additions and 2 deletions
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drivers/misc/habanalabs/common/habanalabs_drv.c
+7 -2
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@@ -595,15 +595,16 @@ hl_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t state)
switch (state) {
case pci_channel_io_normal:
dev_warn(hdev->dev, "PCI normal state error detected\n");
return PCI_ERS_RESULT_CAN_RECOVER;
case pci_channel_io_frozen:
dev_warn(hdev->dev, "frozen state error detected\n");
dev_warn(hdev->dev, "PCI frozen state error detected\n");
result = PCI_ERS_RESULT_NEED_RESET;
break;
case pci_channel_io_perm_failure:
dev_warn(hdev->dev, "failure state error detected\n");
dev_warn(hdev->dev, "PCI failure state error detected\n");
result = PCI_ERS_RESULT_DISCONNECT;
break;
@@ -639,6 +640,10 @@ static void hl_pci_err_resume(struct pci_dev *pdev)
*/
static pci_ers_result_t hl_pci_err_slot_reset(struct pci_dev *pdev)
{
struct hl_device *hdev = pci_get_drvdata(pdev);
dev_warn(hdev->dev, "PCI slot reset detected\n");
return PCI_ERS_RESULT_RECOVERED;
}