LU-4020 hsm: allow copytool event monitoring with JSON

[fs/lustre-release.git] / lustre / include / lustre / lustreapi.h

diff --git a/lustre/include/lustre/lustreapi.h b/lustre/include/lustre/lustreapi.h
index 4ba382e..ff8d9ba 100644 (file)
--- a/lustre/include/lustre/lustreapi.h
+++ b/lustre/include/lustre/lustreapi.h
@@ -42,9 +42,11 @@
  * @{
  */
 
+#include <stdarg.h>
 #include <lustre/lustre_user.h>
 
-typedef void (*llapi_cb_t)(char *obd_type_name, char *obd_name, char *obd_uuid, void *args);
+typedef void (*llapi_cb_t)(char *obd_type_name, char *obd_name, char *obd_uuid,
+                          void *args);
 
 /* lustreapi message severity level */
 enum llapi_message_level {
@@ -58,15 +60,36 @@ enum llapi_message_level {
         LLAPI_MSG_MAX
 };
 
+typedef void (*llapi_log_callback_t)(enum llapi_message_level level, int err,
+                                    const char *fmt, va_list ap);
+
+
 /* the bottom three bits reserved for llapi_message_level */
 #define LLAPI_MSG_MASK          0x00000007
 #define LLAPI_MSG_NO_ERRNO      0x00000010
 
+static inline const char *llapi_msg_level2str(enum llapi_message_level level)
+{
+       static const char *levels[LLAPI_MSG_MAX] = {"OFF", "FATAL", "ERROR",
+                                                   "WARNING", "NORMAL",
+                                                   "INFO", "DEBUG"};
+
+       if (level >= LLAPI_MSG_MAX)
+               return NULL;
+
+       return levels[level];
+}
 extern void llapi_msg_set_level(int level);
-extern void llapi_error(int level, int rc, char *fmt, ...);
-#define llapi_err_noerrno(level, fmt, a...)                             \
+extern llapi_log_callback_t llapi_error_callback_set(llapi_log_callback_t cb);
+extern llapi_log_callback_t llapi_info_callback_set(llapi_log_callback_t cb);
+
+void llapi_error(enum llapi_message_level level, int err, const char *fmt, ...)
+       __attribute__((__format__(__printf__, 3, 4)));
+#define llapi_err_noerrno(level, fmt, a...)                    \
        llapi_error((level) | LLAPI_MSG_NO_ERRNO, 0, fmt, ## a)
-extern void llapi_printf(int level, char *fmt, ...);
+void llapi_printf(enum llapi_message_level level, const char *fmt, ...)
+       __attribute__((__format__(__printf__, 2, 3)));
+
 extern int llapi_file_create(const char *name, unsigned long long stripe_size,
                              int stripe_offset, int stripe_count,
                              int stripe_pattern);
@@ -148,7 +171,9 @@ struct find_param {
                                 check_stripecount:1,   /* LOV stripe count */
                                 exclude_stripecount:1,
                                 check_layout:1,
-                                exclude_layout:1;
+                                exclude_layout:1,
+                                get_default_lmv:1, /* Get default LMV */
+                                migrate:1;
 
        int                      verbose;
        int                      quiet;
@@ -202,9 +227,12 @@ extern int llapi_getstripe(char *path, struct find_param *param);
 extern int llapi_find(char *path, struct find_param *param);
 
 extern int llapi_file_fget_mdtidx(int fd, int *mdtidx);
+extern int llapi_dir_set_default_lmv_stripe(const char *name, int stripe_offset,
+                                          int stripe_count, int stripe_pattern,
+                                           const char *pool_name);
 extern int llapi_dir_create_pool(const char *name, int flags, int stripe_offset,
                                 int stripe_count, int stripe_pattern,
-                                char *poolname);
+                                const char *poolname);
 int llapi_direntry_remove(char *dname);
 extern int llapi_obd_statfs(char *path, __u32 type, __u32 index,
                      struct obd_statfs *stat_buf,
@@ -230,6 +258,8 @@ extern void llapi_ping_target(char *obd_type, char *obd_name,
                               char *obd_uuid, void *args);
 
 extern int llapi_search_rootpath(char *pathname, const char *fsname);
+extern int llapi_nodemap_exists(const char *name);
+extern int llapi_mv(char *path, struct find_param *param);
 
 struct mntent;
 #define HAVE_LLAPI_IS_LUSTRE_MNT
@@ -251,6 +281,7 @@ extern int llapi_fid2path(const char *device, const char *fidstr, char *path,
                          int pathlen, long long *recno, int *linkno);
 extern int llapi_path2fid(const char *path, lustre_fid *fid);
 extern int llapi_fd2fid(const int fd, lustre_fid *fid);
+extern int llapi_chomp_string(char *buf);
 
 extern int llapi_get_version(char *buffer, int buffer_size, char **version);
 extern int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags);
@@ -260,7 +291,12 @@ extern int llapi_hsm_state_set_fd(int fd, __u64 setmask, __u64 clearmask,
                                  __u32 archive_id);
 extern int llapi_hsm_state_set(const char *path, __u64 setmask, __u64 clearmask,
                               __u32 archive_id);
+extern int llapi_hsm_register_event_fifo(char *path);
+extern int llapi_hsm_unregister_event_fifo(char *path);
+extern void llapi_hsm_log_error(enum llapi_message_level level, int _rc,
+                               const char *fmt, va_list args);
 
+extern int llapi_get_agent_uuid(char *path, char *buf, size_t bufsize);
 extern int llapi_create_volatile_idx(char *directory, int idx, int mode);
 static inline int llapi_create_volatile(char *directory, int mode)
 {
@@ -313,10 +349,11 @@ extern int llapi_hsm_action_begin(struct hsm_copyaction_private **phcp,
                                  int restore_mdt_index, int restore_open_flags,
                                  bool is_error);
 extern int llapi_hsm_action_end(struct hsm_copyaction_private **phcp,
-                               const struct hsm_extent *he, int flags,
-                               int errval);
+                               const struct hsm_extent *he,
+                               int hp_flags, int errval);
 extern int llapi_hsm_action_progress(struct hsm_copyaction_private *hcp,
-                                    const struct hsm_extent *he, int hp_flags);
+                                    const struct hsm_extent *he, __u64 total,
+                                    int hp_flags);
 extern int llapi_hsm_action_get_dfid(const struct hsm_copyaction_private *hcp,
                                     lustre_fid *fid);
 extern int llapi_hsm_action_get_fd(const struct hsm_copyaction_private *hcp);
@@ -332,6 +369,14 @@ extern int llapi_hsm_request(const char *path,
                             const struct hsm_user_request *request);
 extern int llapi_hsm_current_action(const char *path,
                                    struct hsm_current_action *hca);
+
+/* JSON handling */
+extern int llapi_json_init_list(struct llapi_json_item_list **item_list);
+extern int llapi_json_destroy_list(struct llapi_json_item_list **item_list);
+extern int llapi_json_add_item(struct llapi_json_item_list **item_list,
+                              char *key, __u32 type, void *val);
+extern int llapi_json_write_list(struct llapi_json_item_list **item_list,
+                                FILE *fp);
 /** @} llapi */
 
 #endif