On Thu, 16 Feb 2023 at 08:34, Tobias Waldekranz tobias@waldekranz.com wrote:
blkmaps are loosely modeled on Linux's device mapper subsystem. The basic idea is that you can create virtual block devices whose blocks can be backed by a plethora of sources that are user configurable.
This change just adds the basic infrastructure for creating and removing blkmap devices. Subsequent changes will extend this to add support for actual mappings.
Signed-off-by: Tobias Waldekranz tobias@waldekranz.com
MAINTAINERS | 6 + drivers/block/Kconfig | 18 ++ drivers/block/Makefile | 1 + drivers/block/blk-uclass.c | 1 + drivers/block/blkmap.c | 343 +++++++++++++++++++++++++++++++++++++ include/blkmap.h | 35 ++++ include/dm/uclass-id.h | 1 + 7 files changed, 405 insertions(+) create mode 100644 drivers/block/blkmap.c create mode 100644 include/blkmap.h
Reviewed-by: Simon Glass sjg@chromium.org