lightnvm: add mccap support
Some flash media has extended capabilities, such as programming SLC
pages on MLC/TLC flash, erase/program suspend, scramble and encryption.
MCCAP is introduced to detect support for these capabilities in the
command set.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index aa35907..b90d283 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -61,6 +61,12 @@
NVM_BLK_T_GRWN_BAD = 0x2,
NVM_BLK_T_DEV = 0x4,
NVM_BLK_T_HOST = 0x8,
+
+ /* Memory capabilities */
+ NVM_ID_CAP_SLC = 0x1,
+ NVM_ID_CAP_CMD_SUSPEND = 0x2,
+ NVM_ID_CAP_SCRAMBLE = 0x4,
+ NVM_ID_CAP_ENCRYPT = 0x8,
};
struct nvm_id_group {
@@ -278,6 +284,7 @@
int blks_per_lun;
int sec_size;
int oob_size;
+ int mccap;
struct nvm_addr_format ppaf;
/* Calculated/Cached values. These do not reflect the actual usable