#ifndef _LPROCFS_SNMP_H
#define _LPROCFS_SNMP_H
-
-#ifndef LPROC_SNMP
-#define LPROC_SNMP
-#endif
-
+#include <linux/autoconf.h>
#include <linux/proc_fs.h>
-typedef enum {
- E_LPROC_OK = 0
-} lproc_error_t;
-
-struct lprocfs_vars{
+#ifndef LPROCFS
+#ifdef CONFIG_PROC_FS /* Ensure that /proc is configured */
+#define LPROCFS
+#endif
+#endif
- char* name;
- read_proc_t* read_fptr;
- write_proc_t* write_fptr;
- void* data;
+struct lprocfs_vars {
+ char *name;
+ read_proc_t *read_fptr;
+ write_proc_t *write_fptr;
+ void *data;
};
-#ifdef LPROC_SNMP
-
-struct proc_dir_entry* lprocfs_mkdir(const char *dname,
- struct proc_dir_entry *parent);
-struct proc_dir_entry* lprocfs_srch(struct proc_dir_entry *head,
- const char *name);
-void lprocfs_remove_all(struct proc_dir_entry *root);
-struct proc_dir_entry* lprocfs_new_dir(struct proc_dir_entry *root,
- const char *string,
- const char *tok);
-int lprocfs_new_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
- const char *tok, void *data);
-
-int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *var,
- void *data);
-int lprocfs_reg_obd(struct obd_device *device, struct lprocfs_vars *list,
- void *data);
-int lprocfs_dereg_obd(struct obd_device *device);
-struct proc_dir_entry* lprocfs_reg_mnt(char *mnt_name);
-int lprocfs_dereg_mnt(struct proc_dir_entry *root);
-
-int lprocfs_reg_class(struct obd_type *type, struct lprocfs_vars *list,
- void *data);
-int lprocfs_dereg_class(struct obd_type *class);
-int lprocfs_reg_main(void);
-int lprocfs_dereg_main(void);
-int lprocfs_ll_rd(char *page, char **start, off_t off, int count, int *eof,
- void *data);
-#else
-
-
-static inline int lprocfs_add_vars(struct proc_dir_entry *root,
- struct lprocfs_vars *var, void *data)
-{
- return 0;
-}
-
-static inline int lprocfs_reg_obd(struct obd_device* device,
- struct lprocfs_vars* list, void* data)
-{
- return 0;
-}
-
-static inline int lprocfs_dereg_obd(struct obd_device* device)
-{
- return 0;
-}
-
-static inline struct proc_dir_entry* lprocfs_reg_mnt(char *name)
-{
- return NULL;
-}
-
-static inline int lprocfs_dereg_mnt(struct proc_dir_entry* root)
-{
- return 0;
-}
-
-static inline int lprocfs_reg_class(struct obd_type* type,
- struct lprocfs_vars* list, void* data)
-{
- return 0;
-}
-
-static inline int lprocfs_dereg_class(struct obd_type* class)
-{
- return 0;
-}
+struct lprocfs_static_vars {
+ struct lprocfs_vars *module_vars;
+ struct lprocfs_vars *obd_vars;
+};
-static inline int lprocfs_reg_main(void)
-{
- return 0;
+/* class_obd.c */
+extern struct proc_dir_entry *proc_lustre_root;
+
+extern void lprocfs_init_vars(struct lprocfs_static_vars *var);
+extern void lprocfs_init_multi_vars(unsigned int idx,
+ struct lprocfs_static_vars *var);
+
+#define LPROCFS_INIT_MULTI_VARS(array, size) \
+void lprocfs_init_multi_vars(unsigned int idx, \
+ struct lprocfs_static_vars *x) \
+{ \
+ struct lprocfs_static_vars *glob = (struct lprocfs_static_vars*)array; \
+ LASSERT(glob != 0); \
+ LASSERT(idx < (unsigned int)(size)); \
+ x->module_vars = glob[idx].module_vars; \
+ x->obd_vars = glob[idx].obd_vars; \
+} \
+
+#define LPROCFS_INIT_VARS(vclass, vinstance) \
+void lprocfs_init_vars(struct lprocfs_static_vars *x) \
+{ \
+ x->module_vars = vclass; \
+ x->obd_vars = vinstance; \
+} \
+
+#ifdef LPROCFS
+/* lprocfs_status.c */
+extern int lprocfs_add_vars(struct proc_dir_entry *root,
+ struct lprocfs_vars *var,
+ void *data);
+
+extern struct proc_dir_entry *lprocfs_register(const char *name,
+ struct proc_dir_entry *parent,
+ struct lprocfs_vars *list,
+ void *data);
+
+extern void lprocfs_remove(struct proc_dir_entry *root);
+
+struct obd_device;
+extern int lprocfs_obd_attach(struct obd_device *dev, struct lprocfs_vars *list);
+extern int lprocfs_obd_detach(struct obd_device *dev);
+
+/* Generic callbacks */
+
+extern int lprocfs_rd_u64(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+extern int lprocfs_rd_name(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+
+/* Statfs helpers */
+struct statfs;
+extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs);
+extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs);
+extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs);
+extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs);
+extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs);
+extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs);
+
+#define DEFINE_LPROCFS_STATFS_FCT(fct_name, get_statfs_fct) \
+int fct_name(char *page, char **start, off_t off, \
+ int count, int *eof, void *data) \
+{ \
+ struct statfs sfs; \
+ int rc = get_statfs_fct((struct obd_device*)data, &sfs); \
+ return (rc==0 \
+ ? lprocfs_##fct_name (page, start, off, count, eof, &sfs) \
+ : rc); \
}
-static inline int lprocfs_dereg_main(void)
-{
- return 0;
-}
+#else
-static inline int lprocfs_ll_rd(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- return 0;
-}
-#endif /* LPROC_SNMP */
+static inline struct proc_dir_entry *
+lprocfs_register(const char *name, struct proc_dir_entry *parent,
+ struct lprocfs_vars *list, void *data) { return NULL; }
+static inline int lprocfs_add_vars(struct proc_dir_entry *root,
+ struct lprocfs_vars *var,
+ void *data) { return 0; }
+static inline void lprocfs_remove(struct proc_dir_entry *root) {};
+struct obd_device;
+static inline int lprocfs_obd_attach(struct obd_device *dev,
+ struct lprocfs_vars *list) { return 0; }
+static inline int lprocfs_obd_detach(struct obd_device *dev) { return 0; }
+static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
+ int count, int *eof, void *data) { return 0; }
+static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
+ int count, int *eof, void *data) { return 0; }
+static inline int lprocfs_rd_name(char *page, char **start, off_t off,
+ int count, int *eof, void *data) { return 0; }
+static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
+ int count, int *eof, void *data) { return 0; }
+static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
+ int count, int *eof, void *data) { return 0; }
+static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
+ int count, int *eof, void *data) { return 0; }
+
+/* Statfs helpers */
+struct statfs;
+static inline
+int lprocfs_rd_blksize(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs) { return 0; }
+static inline
+int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs) { return 0; }
+static inline
+int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs) { return 0; }
+static inline
+int lprocfs_rd_filestotal(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs) { return 0; }
+static inline
+int lprocfs_rd_filesfree(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs) { return 0; }
+static inline
+int lprocfs_rd_filegroups(char *page, char **start, off_t off,
+ int count, int *eof, struct statfs *sfs) { return 0; }
+
+#define DEFINE_LPROCFS_STATFS_FCT(fct_name, get_statfs_fct) \
+int fct_name(char *page, char **start, off_t off, \
+ int count, int *eof, void *data) { *eof = 1; return 0; }
+
+#endif /* LPROCFS */
#endif /* LPROCFS_SNMP_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff