Il 27/04/2012 18:52, Igor Mitsyanko ha scritto: >>> >> The other block device models use a property "drive" for connecting to a >> block backend, usually via DEFINE_BLOCK_PROPERTIES(). Why is it >> necessary for sd.c to be different? >> > > SD card is not an instance of TYPE_DEVICE, we cant set a pointer to > BlockDriverState as a property of TYPE_SD_CARD object. I think in the > future we will just have TYPE_SD_CARD/child<TYPE_BLOCK_DRIVER_STATE> > or TYPE_SD_CARD/link<TYPE_BLOCK_DRIVER_STATE>, but now "device_id" > property seems like a nice solution.
I agree---however, calling it "drive" for consistency is nicer. Paolo