On 9/30/20 2:05 PM, Jacob Keller wrote: > The recently added DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK allows > userspace to indicate how a device should handle subsections of a flash > component when updating. For example, a flash component might contain > vital data such as PCIe serial number or configuration fields such as > settings that control device bootup. > > The overwrite mask allows specifying whether the device should overwrite > these subsections when updating from the provided image. If nothing is > specified, then the update is expected to preserve all vital fields and > configuration. > > Add support for specifying the overwrite mask using the new "overwrite" > option to the flash command line. > > By specifying "overwrite identifiers", the user request that the flash > update should overwrite any settings in the updated flash component with > settings from the provided flash image > > $devlink dev flash pci/0000:af:00.0 file flash_image.bin overwrite > identifiers > > By specifying "overwrite settings" the user requests that the flash update > should overwrite any settings in the updated flash component with setting > values from the provided flash image. > > $devlink dev flash pci/0000:af:00.0 file flash_image.bin overwrite settings > > These options may be combined, in which case both subsections will be sent > in the overwrite mask, resulting in a request to overwrite all settings and > identifiers stored in the updated flash components. > > $devlink dev flash pci/0000:af:00.0 file flash_image.bin overwrite settings > overwrite identifiers > > Signed-off-by: Jacob Keller <jacob.e.kel...@intel.com> > --- > devlink/devlink.c | 48 +++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 46 insertions(+), 2 deletions(-) >
applied to iproute2-next. Thanks
