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authorMatias Bjørling <m@bjorling.me>2016-01-12 07:49:34 +0100
committerJens Axboe <axboe@fb.com>2016-01-12 08:21:17 -0700
commitf9a9995072904f2d67d649545f17f81e00f4985e (patch)
tree774660b123ea0de223f1bdccaa5de92b8d412834 /include/linux/lightnvm.h
parentff0e498bfa185fad5e86c4c7a2db4f9648d2344f (diff)
downloadlwn-f9a9995072904f2d67d649545f17f81e00f4985e.tar.gz
lwn-f9a9995072904f2d67d649545f17f81e00f4985e.zip
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>
Diffstat (limited to 'include/linux/lightnvm.h')
-rw-r--r--include/linux/lightnvm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index aa35907714b8..b90d28344e3d 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -61,6 +61,12 @@ enum {
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 @@ struct nvm_dev {
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