diff options
| -rw-r--r-- | block/sed-opal.c | 27 | ||||
| -rw-r--r-- | include/linux/sed-opal.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/sed-opal.h | 12 |
3 files changed, 40 insertions, 0 deletions
diff --git a/block/sed-opal.c b/block/sed-opal.c index c54019c11e91..f94f359dd688 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -1989,6 +1989,30 @@ static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, return ret; } +static int opal_set_mbr_done(struct opal_dev *dev, + struct opal_mbr_done *mbr_done) +{ + u8 mbr_done_tf = mbr_done->done_flag == OPAL_MBR_DONE ? + OPAL_TRUE : OPAL_FALSE; + + const struct opal_step mbr_steps[] = { + { start_admin1LSP_opal_session, &mbr_done->key }, + { set_mbr_done, &mbr_done_tf }, + { end_opal_session, } + }; + int ret; + + if (mbr_done->done_flag != OPAL_MBR_DONE && + mbr_done->done_flag != OPAL_MBR_NOT_DONE) + return -EINVAL; + + mutex_lock(&dev->dev_lock); + setup_opal_dev(dev); + ret = execute_steps(dev, mbr_steps, ARRAY_SIZE(mbr_steps)); + mutex_unlock(&dev->dev_lock); + return ret; +} + static int opal_save(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { struct opal_suspend_data *suspend; @@ -2310,6 +2334,9 @@ int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *arg) case IOC_OPAL_ENABLE_DISABLE_MBR: ret = opal_enable_disable_shadow_mbr(dev, p); break; + case IOC_OPAL_MBR_DONE: + ret = opal_set_mbr_done(dev, p); + break; case IOC_OPAL_ERASE_LR: ret = opal_erase_locking_range(dev, p); break; diff --git a/include/linux/sed-opal.h b/include/linux/sed-opal.h index f03bbffd3281..f834e8a1495f 100644 --- a/include/linux/sed-opal.h +++ b/include/linux/sed-opal.h @@ -40,6 +40,7 @@ static inline bool is_sed_ioctl(unsigned int cmd) case IOC_OPAL_ERASE_LR: case IOC_OPAL_SECURE_ERASE_LR: case IOC_OPAL_PSID_REVERT_TPR: + case IOC_OPAL_MBR_DONE: return true; } return false; diff --git a/include/uapi/linux/sed-opal.h b/include/uapi/linux/sed-opal.h index 7a03e5b4df6e..5681f55d334b 100644 --- a/include/uapi/linux/sed-opal.h +++ b/include/uapi/linux/sed-opal.h @@ -20,6 +20,11 @@ enum opal_mbr { OPAL_MBR_DISABLE = 0x01, }; +enum opal_mbr_done_flag { + OPAL_MBR_NOT_DONE = 0x0, + OPAL_MBR_DONE = 0x01 +}; + enum opal_user { OPAL_ADMIN1 = 0x0, OPAL_USER1 = 0x01, @@ -95,6 +100,12 @@ struct opal_mbr_data { __u8 __align[7]; }; +struct opal_mbr_done { + struct opal_key key; + __u8 done_flag; + __u8 __align[7]; +}; + #define IOC_OPAL_SAVE _IOW('p', 220, struct opal_lock_unlock) #define IOC_OPAL_LOCK_UNLOCK _IOW('p', 221, struct opal_lock_unlock) #define IOC_OPAL_TAKE_OWNERSHIP _IOW('p', 222, struct opal_key) @@ -108,5 +119,6 @@ struct opal_mbr_data { #define IOC_OPAL_ERASE_LR _IOW('p', 230, struct opal_session_info) #define IOC_OPAL_SECURE_ERASE_LR _IOW('p', 231, struct opal_session_info) #define IOC_OPAL_PSID_REVERT_TPR _IOW('p', 232, struct opal_key) +#define IOC_OPAL_MBR_DONE _IOW('p', 233, struct opal_mbr_done) #endif /* _UAPI_SED_OPAL_H */ |