Hi Heinrich, On Thu, 15 Sept 2022 at 14:02, Heinrich Schuchardt <heinrich.schucha...@canonical.com> wrote: > > Currently block devices are only identified by uclass_id and device number. > When dealing with removable media this is not enough to uniquely identify > the medium. > > E.g. after host unbind, host bind we can have the same device number but a > different backing file. > > The EFI specification uses a 32bit number media ID to identify media. Add a > matching field to the block device descriptor. > > Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com> > --- > drivers/block/blk-uclass.c | 16 +++++++++++++++- > include/blk.h | 11 +++++++++++ > 2 files changed, 26 insertions(+), 1 deletion(-)
Shouldn't this be handled by connecting the EFI data to its udevice. I think Takahiro has been looking at this? NAK to any EFI fields in blk_desc, in any case Regards, Simon
