diff options
Diffstat (limited to 'drivers/nvdimm/nd-core.h')
| -rw-r--r-- | drivers/nvdimm/nd-core.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h index d0c621b32f72..2b2cf4e554d3 100644 --- a/drivers/nvdimm/nd-core.h +++ b/drivers/nvdimm/nd-core.h @@ -21,6 +21,7 @@ extern struct list_head nvdimm_bus_list; extern struct mutex nvdimm_bus_list_mutex; extern int nvdimm_major; +extern struct workqueue_struct *nvdimm_wq; struct nvdimm_bus { struct nvdimm_bus_descriptor *nd_desc; @@ -41,8 +42,64 @@ struct nvdimm { atomic_t busy; int id, num_flush; struct resource *flush_wpq; + const char *dimm_id; + struct { + const struct nvdimm_security_ops *ops; + enum nvdimm_security_state state; + enum nvdimm_security_state ext_state; + unsigned int overwrite_tmo; + struct kernfs_node *overwrite_state; + } sec; + struct delayed_work dwork; }; +static inline enum nvdimm_security_state nvdimm_security_state( + struct nvdimm *nvdimm, bool master) +{ + if (!nvdimm->sec.ops) + return -ENXIO; + + return nvdimm->sec.ops->state(nvdimm, master); +} +int nvdimm_security_freeze(struct nvdimm *nvdimm); +#if IS_ENABLED(CONFIG_NVDIMM_KEYS) +int nvdimm_security_disable(struct nvdimm *nvdimm, unsigned int keyid); +int nvdimm_security_update(struct nvdimm *nvdimm, unsigned int keyid, + unsigned int new_keyid, + enum nvdimm_passphrase_type pass_type); +int nvdimm_security_erase(struct nvdimm *nvdimm, unsigned int keyid, + enum nvdimm_passphrase_type pass_type); +int nvdimm_security_overwrite(struct nvdimm *nvdimm, unsigned int keyid); +void nvdimm_security_overwrite_query(struct work_struct *work); +#else +static inline int nvdimm_security_disable(struct nvdimm *nvdimm, + unsigned int keyid) +{ + return -EOPNOTSUPP; +} +static inline int nvdimm_security_update(struct nvdimm *nvdimm, + unsigned int keyid, + unsigned int new_keyid, + enum nvdimm_passphrase_type pass_type) +{ + return -EOPNOTSUPP; +} +static inline int nvdimm_security_erase(struct nvdimm *nvdimm, + unsigned int keyid, + enum nvdimm_passphrase_type pass_type) +{ + return -EOPNOTSUPP; +} +static inline int nvdimm_security_overwrite(struct nvdimm *nvdimm, + unsigned int keyid) +{ + return -EOPNOTSUPP; +} +static inline void nvdimm_security_overwrite_query(struct work_struct *work) +{ +} +#endif + /** * struct blk_alloc_info - tracking info for BLK dpa scanning * @nd_mapping: blk region mapping boundaries |