LU-3527 nodemap: add nodemap kernel module

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

diff --git a/lustre/include/lustre/lustreapi.h b/lustre/include/lustre/lustreapi.h
index 880189d..f4e92c2 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 +60,25 @@ 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
 
 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);
@@ -219,8 +231,8 @@ extern int llapi_lmv_get_uuids(int fd, struct obd_uuid *uuidp, int *mdt_count);
 extern int llapi_is_lustre_mnttype(const char *type);
 extern int llapi_search_ost(char *fsname, char *poolname, char *ostname);
 extern int llapi_get_obd_count(char *mnt, int *count, int is_mdt);
-extern int parse_size(char *optarg, unsigned long long *size,
-                      unsigned long long *size_units, int bytes_spec);
+extern int llapi_parse_size(const char *optarg, unsigned long long *size,
+                           unsigned long long *size_units, int bytes_spec);
 extern int llapi_search_mounts(const char *pathname, int index,
                                char *mntdir, char *fsname);
 extern int llapi_search_fsname(const char *pathname, char *fsname);
@@ -230,6 +242,7 @@ 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);
 
 struct mntent;
 #define HAVE_LLAPI_IS_LUSTRE_MNT
@@ -298,18 +311,28 @@ extern int llapi_changelog_clear(const char *mdtname, const char *idstr,
  * priv is private state, managed internally by these functions
  */
 struct hsm_copytool_private;
-extern int llapi_hsm_copytool_start(struct hsm_copytool_private **priv,
-                                   char *fsname, int flags,
-                                   int archive_count, int *archives);
-extern int llapi_hsm_copytool_fini(struct hsm_copytool_private **priv);
+struct hsm_copyaction_private;
+
+extern int llapi_hsm_copytool_register(struct hsm_copytool_private **priv,
+                                      const char *mnt, int flags,
+                                      int archive_count, int *archives);
+extern int llapi_hsm_copytool_unregister(struct hsm_copytool_private **priv);
 extern int llapi_hsm_copytool_recv(struct hsm_copytool_private *priv,
                                   struct hsm_action_list **hal, int *msgsize);
-extern int llapi_hsm_copytool_free(struct hsm_action_list **hal);
-extern int llapi_hsm_copy_start(char *mnt, struct hsm_copy *copy,
-                               const struct hsm_action_item *hai);
-extern int llapi_hsm_copy_end(char *mnt, struct hsm_copy *copy,
-                             const struct hsm_progress *hp);
-extern int llapi_hsm_progress(char *mnt, struct hsm_progress *hp);
+extern void llapi_hsm_action_list_free(struct hsm_action_list **hal);
+extern int llapi_hsm_action_begin(struct hsm_copyaction_private **phcp,
+                                 const struct hsm_copytool_private *ct,
+                                 const struct hsm_action_item *hai,
+                                 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 hp_flags, int errval);
+extern int llapi_hsm_action_progress(struct hsm_copyaction_private *hcp,
+                                    const struct hsm_extent *he, 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);
 extern int llapi_hsm_import(const char *dst, int archive, const struct stat *st,
                            unsigned long long stripe_size, int stripe_offset,
                            int stripe_count, int stripe_pattern,
@@ -318,7 +341,8 @@ extern int llapi_hsm_import(const char *dst, int archive, const struct stat *st,
 /* HSM user interface */
 extern struct hsm_user_request *llapi_hsm_user_request_alloc(int itemcount,
                                                             int data_len);
-extern int llapi_hsm_request(char *mnt, struct hsm_user_request *request);
+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);
 /** @} llapi */