Commit d740f4be authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
Browse files

pds_core: add simple AER handler 



Set up the pci_error_handlers error_detected and resume to be
useful in handling AER events.

Reviewed-by: default avatarBrett Creeley <brett.creeley@amd.com>
Signed-off-by: default avatarShannon Nelson <shannon.nelson@amd.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 06d53b03

drivers/net/ethernet/amd/pds_core/main.c

+24 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ static void pdsc_unmap_bars(struct pdsc *pdsc) 
	for (i = 0; i < PDS_CORE_BARS_MAX; i++) {

		if (bars[i].vaddr)

			pci_iounmap(pdsc->pdev, bars[i].vaddr);

		bars[i].vaddr = NULL;

	}

}
@@ -512,10 +513,33 @@ void pdsc_reset_done(struct pci_dev *pdev) 
	pdsc_restart_health_thread(pdsc);

}



static pci_ers_result_t pdsc_pci_error_detected(struct pci_dev *pdev,

						pci_channel_state_t error)

{

	if (error == pci_channel_io_frozen) {

		pdsc_reset_prepare(pdev);

		return PCI_ERS_RESULT_NEED_RESET;

	}



	return PCI_ERS_RESULT_NONE;

}



static void pdsc_pci_error_resume(struct pci_dev *pdev)

{

	struct pdsc *pdsc = pci_get_drvdata(pdev);



	if (test_bit(PDSC_S_FW_DEAD, &pdsc->state))

		pci_reset_function_locked(pdev);

}



static const struct pci_error_handlers pdsc_err_handler = {

	/* FLR handling */

	.reset_prepare      = pdsc_reset_prepare,

	.reset_done         = pdsc_reset_done,



	/* AER handling */

	.error_detected     = pdsc_pci_error_detected,

	.resume             = pdsc_pci_error_resume,

};



static struct pci_driver pdsc_driver = {