lightnvm: add minor version to generic geometry
Separate the version between major and minor on the generic geometry and
represent it through sysfs in the 2.0 path. The 1.2 path only shows the
major version to preserve the existing user space interface.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 6e65056..7ed8b92 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -263,7 +263,8 @@ enum {
/* Instance geometry */
struct nvm_geo {
/* device reported version */
- u8 ver_id;
+ u8 major_ver_id;
+ u8 minor_ver_id;
/* instance specific geometry */
int nr_chnls;