Commit bdfef91e authored by Ofir Bitton's avatar Ofir Bitton Committed by Oded Gabbay
Browse files

habanalabs: add warning print upon a PCI error 



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

Signed-off-by: default avatarOfir Bitton <obitton@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent fc69aa86

drivers/misc/habanalabs/common/habanalabs_drv.c

+7 −2
Original line number Diff line number Diff line
@@ -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;

}