On Tue, Jul 15, 2025 at 04:17:25PM +0530, Riana Tauro wrote:
> Certain runtime firmware errors can cause the device to be in a unusable
> state requiring a firmware flash to restore normal operation.
> Runtime Survivability Mode indicates firmware flash is necessary by
> wedging the device and exposing survivability mode sysfs.
>
> The below sysfs is an indication that device is in survivability mode
>
> /sys/bus/pci/devices/<device>/survivability_mode
...
> +int xe_survivability_mode_runtime_enable(struct xe_device *xe)
> +{
> + struct xe_survivability *survivability = &xe->survivability;
> + struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
> + int ret;
> +
> + if (!IS_DGFX(xe) || IS_SRIOV_VF(xe) || xe->info.platform <
> XE_BATTLEMAGE) {
> + dev_err(&pdev->dev, "Runtime Survivability Mode not
> supported\n");
> + return -EINVAL;
> + }
> +
> + ret = init_survivability_mode(xe);
> + if (ret)
> + return ret;
> +
> + ret = create_survivability_sysfs(pdev);
> + if (ret)
> + dev_err(&pdev->dev, "Failed to create survivability mode
> sysfs\n");
> +
> + survivability->type = XE_SURVIVABILITY_TYPE_RUNTIME;
> + dev_err(&pdev->dev, "Runtime Survivability mode enabled\n");
> +
> + xe_device_set_wedged_method(xe, DRM_WEDGE_RECOVERY_VENDOR);
> + xe_device_declare_wedged(xe);
> + dev_err(&pdev->dev, "Firmware update required, Refer the userspace
> documentation for more details!\n");
Do we have it? Or did I miss it somewhere? :D
Raag
