acpi/nfit, libnvdimm/security: add Intel DSM 1.8 master passphrase support

[linux-2.6-microblaze.git] / drivers / nvdimm / nd-core.h

diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h
index 182258f..52d20d9 100644 (file)
--- 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