*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/fs.h>
#include <linux/proc_fs.h>
+#include <linux/debugfs.h>
#include <linux/rwsem.h>
#include <linux/spinlock.h>
#include <linux/seq_file.h>
+#include <libcfs/libcfs.h>
#include <lustre/lustre_idl.h>
struct lprocfs_vars {
#define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
/* class_obd.c */
extern struct proc_dir_entry *proc_lustre_root;
+extern struct dentry *debugfs_lustre_root;
+extern struct kobject *lustre_kobj;
struct obd_device;
struct obd_histogram;
-/* Days / hours / mins / seconds format */
-struct dhms {
- int d,h,m,s;
-};
-static inline void s2dhms(struct dhms *ts, time_t secs)
-{
- ts->d = secs / 86400;
- secs = secs % 86400;
- ts->h = secs / 3600;
- secs = secs % 3600;
- ts->m = secs / 60;
- ts->s = secs % 60;
-}
-#define DHMS_FMT "%dd%dh%02dm%02ds"
-#define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
-
#define JOBSTATS_JOBID_VAR_MAX_LEN 20
#define JOBSTATS_DISABLE "disable"
#define JOBSTATS_PROCNAME_UID "procname_uid"
struct list_head ojs_list; /* list of job_stat structs */
rwlock_t ojs_lock; /* protect ojs_list/js_list */
unsigned int ojs_cleanup_interval;/* seconds before expiry */
- time_t ojs_last_cleanup; /* previous cleanup time */
+ time64_t ojs_last_cleanup; /* previous cleanup time */
cntr_init_callback ojs_cntr_init_fn;/* lprocfs_stats initializer */
unsigned short ojs_cntr_num; /* number of stats in struct */
bool ojs_cleaning; /* currently expiring stats */
#ifdef CONFIG_PROC_FS
-extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
- unsigned int cpuid);
-
-/**
- * Lock statistics structure for access, possibly only on this CPU.
- *
- * The statistics struct may be allocated with per-CPU structures for
- * efficient concurrent update (usually only on server-wide stats), or
- * as a single global struct (e.g. for per-client or per-job statistics),
- * so the required locking depends on the type of structure allocated.
- *
- * For per-CPU statistics, pin the thread to the current cpuid so that
- * will only access the statistics for that CPU. If the stats structure
- * for the current CPU has not been allocated (or previously freed),
- * allocate it now. The per-CPU statistics do not need locking since
- * the thread is pinned to the CPU during update.
- *
- * For global statistics, lock the stats structure to prevent concurrent update.
- *
- * \param[in] stats statistics structure to lock
- * \param[in] opc type of operation:
- * LPROCFS_GET_SMP_ID: "lock" and return current CPU index
- * for incrementing statistics for that CPU
- * LPROCFS_GET_NUM_CPU: "lock" and return number of used
- * CPU indices to iterate over all indices
- * \param[out] flags CPU interrupt saved state for IRQ-safe locking
- *
- * \retval cpuid of current thread or number of allocated structs
- * \retval negative on error (only for opc LPROCFS_GET_SMP_ID + per-CPU stats)
- */
-static inline int lprocfs_stats_lock(struct lprocfs_stats *stats,
- enum lprocfs_stats_lock_ops opc,
- unsigned long *flags)
-{
- if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
- if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
- spin_lock_irqsave(&stats->ls_lock, *flags);
- else
- spin_lock(&stats->ls_lock);
- return opc == LPROCFS_GET_NUM_CPU ? 1 : 0;
- }
-
- switch (opc) {
- case LPROCFS_GET_SMP_ID: {
- unsigned int cpuid = get_cpu();
-
- if (unlikely(stats->ls_percpu[cpuid] == NULL)) {
- int rc = lprocfs_stats_alloc_one(stats, cpuid);
- if (rc < 0) {
- put_cpu();
- return rc;
- }
- }
- return cpuid;
- }
- case LPROCFS_GET_NUM_CPU:
- return stats->ls_biggest_alloc_num;
- default:
- LBUG();
- }
-}
-
-/**
- * Unlock statistics structure after access.
- *
- * Unlock the lock acquired via lprocfs_stats_lock() for global statistics,
- * or unpin this thread from the current cpuid for per-CPU statistics.
- *
- * This function must be called using the same arguments as used when calling
- * lprocfs_stats_lock() so that the correct operation can be performed.
- *
- * \param[in] stats statistics structure to unlock
- * \param[in] opc type of operation (current cpuid or number of structs)
- * \param[in] flags CPU interrupt saved state for IRQ-safe locking
- */
-static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats,
- enum lprocfs_stats_lock_ops opc,
- unsigned long *flags)
-{
- if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
- if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
- spin_unlock_irqrestore(&stats->ls_lock, *flags);
- else
- spin_unlock(&stats->ls_lock);
- } else if (opc == LPROCFS_GET_SMP_ID) {
- put_cpu();
- }
-}
+int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
+ unsigned int cpuid);
+int lprocfs_stats_lock(struct lprocfs_stats *stats,
+ enum lprocfs_stats_lock_ops opc,
+ unsigned long *flags);
+void lprocfs_stats_unlock(struct lprocfs_stats *stats,
+ enum lprocfs_stats_lock_ops opc,
+ unsigned long *flags);
static inline unsigned int
lprocfs_stats_counter_size(struct lprocfs_stats *stats)
struct lprocfs_counter_header *header,
enum lprocfs_stats_flags flags,
enum lprocfs_fields_flags field);
-static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
- int idx,
- enum lprocfs_fields_flags field)
-{
- unsigned int i;
- unsigned int num_cpu;
- unsigned long flags = 0;
- __u64 ret = 0;
-
- LASSERT(stats != NULL);
-
- num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
- for (i = 0; i < num_cpu; i++) {
- if (stats->ls_percpu[i] == NULL)
- continue;
- ret += lprocfs_read_helper(
- lprocfs_stats_counter_get(stats, i, idx),
- &stats->ls_cnt_header[idx], stats->ls_flags,
- field);
- }
- lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
- return ret;
-}
+u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
+ enum lprocfs_fields_flags field);
extern struct lprocfs_stats *
lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
extern int lprocfs_add_clear_entry(struct obd_device * obd,
struct proc_dir_entry *entry);
#ifdef HAVE_SERVER_SUPPORT
+void lprocfs_kset_unregister(struct obd_device *obj, struct kset *kset);
+int lprocfs_kset_register(struct obd_device *obd, struct kset **kset);
extern int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *peer_nid);
extern int lprocfs_exp_cleanup(struct obd_export *exp);
#else
size_t count, loff_t *off);
extern int lprocfs_nid_stats_clear_seq_show(struct seq_file *file, void *data);
#endif
+extern int ldebugfs_register_stats(struct dentry *parent, const char *name,
+ struct lprocfs_stats *stats);
extern int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
struct lprocfs_stats *stats);
/* lprocfs_status.c */
+extern int ldebugfs_add_vars(struct dentry *parent, struct lprocfs_vars *var,
+ void *data);
extern int lprocfs_add_vars(struct proc_dir_entry *root,
struct lprocfs_vars *var, void *data);
+
+extern struct dentry *ldebugfs_register(const char *name,
+ struct dentry *parent,
+ struct lprocfs_vars *list,
+ 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 ldebugfs_remove(struct dentry **entryp);
extern void lprocfs_remove(struct proc_dir_entry **root);
extern void lprocfs_remove_proc_entry(const char *name,
struct proc_dir_entry *parent);
static inline int LPROCFS_ENTRY_CHECK(struct inode *inode)
{ return 0; }
#endif
-extern int lprocfs_obd_setup(struct obd_device *dev);
+
+extern int lprocfs_obd_setup(struct obd_device *dev, bool uuid_only);
extern int lprocfs_obd_cleanup(struct obd_device *obd);
#ifdef HAVE_SERVER_SUPPORT
extern const struct file_operations lprocfs_evict_client_fops;
#endif
+
+extern int ldebugfs_seq_create(struct dentry *parent, const char *name,
+ umode_t mode,
+ const struct file_operations *seq_fops,
+ void *data);
extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
mode_t mode,
const struct file_operations *seq_fops,
lprocfs_pinger_recov_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
-/* Statfs helpers */
-extern int lprocfs_blksize_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_filestotal_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_filesfree_seq_show(struct seq_file *m, void *data);
-
extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
long val, int mult);
lprocfs_ir_factor_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
#endif
+
+/* lprocfs_status.c: dump pages on cksum error */
+int lprocfs_checksum_dump_seq_show(struct seq_file *m, void *data);
+ssize_t
+lprocfs_checksum_dump_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off);
+
extern int lprocfs_single_release(struct inode *, struct file *);
extern int lprocfs_seq_release(struct inode *, struct file *);
if (rc < 0) \
return rc; \
\
- return single_open(file, name##_seq_show, PDE_DATA(inode)); \
+ return single_open(file, name##_seq_show, \
+ inode->i_private ? : PDE_DATA(inode)); \
} \
static const struct file_operations name##_fops = { \
.owner = THIS_MODULE, \
} \
static int name##_##type##_open(struct inode *inode, struct file *file)\
{ \
- return single_open(file, NULL, PDE_DATA(inode)); \
+ return single_open(file, NULL, \
+ inode->i_private ? : PDE_DATA(inode));\
} \
static const struct file_operations name##_##type##_fops = { \
.open = name##_##type##_open, \
.release = lprocfs_single_release, \
};
+struct lustre_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t len);
+};
+
+#define LUSTRE_ATTR(name, mode, show, store) \
+static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store)
+
+#define LUSTRE_RO_ATTR(name) LUSTRE_ATTR(name, 0444, name##_show, NULL)
+#define LUSTRE_RW_ATTR(name) LUSTRE_ATTR(name, 0644, name##_show, name##_store)
+
+ssize_t lustre_attr_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t lustre_attr_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t len);
+
+extern const struct sysfs_ops lustre_sysfs_ops;
+
/* lproc_ptlrpc.c */
struct ptlrpc_request;
extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
int lprocfs_target_instance_seq_show(struct seq_file *m, void *data);
#endif
int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data);
-ssize_t
-lprocfs_obd_max_pages_per_rpc_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off);
+ssize_t lprocfs_obd_max_pages_per_rpc_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off);
struct root_squash_info;
int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count,
int lprocfs_wr_nosquash_nids(const char __user *buffer, unsigned long count,
struct root_squash_info *squash, char *name);
-/* all quota proc functions */
-extern int lprocfs_quota_rd_bunit(char *page, char **start,
- off_t off, int count,
- int *eof, void *data);
-extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_btune(char *page, char **start,
- off_t off, int count,
- int *eof, void *data);
-extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_iunit(char *page, char **start,
- off_t off, int count,
- int *eof, void *data);
-extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_itune(char *page, char **start,
- off_t off, int count,
- int *eof, void *data);
-extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
- int *eof, void *data);
-extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_switch_seconds(struct file *file,
- const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_switch_qs(struct file *file,
- const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_boundary_factor(struct file *file,
- const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_least_bunit(struct file *file,
- const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_least_iunit(struct file *file,
- const char *buffer,
- unsigned long count, void *data);
-extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-extern int lprocfs_quota_wr_qs_factor(struct file *file,
- const char *buffer,
- unsigned long count, void *data);
#else /* !CONFIG_PROC_FS */
#define proc_lustre_root NULL
static inline void lprocfs_remove_proc_entry(const char *name,
struct proc_dir_entry *parent)
{ return; }
-static inline int lprocfs_obd_setup(struct obd_device *dev)
+static inline int lprocfs_obd_setup(struct obd_device *dev, bool uuid_only)
{ return 0; }
static inline int lprocfs_obd_cleanup(struct obd_device *dev)
{ return 0; }
struct lprocfs_counter *cnt)
{ return; }
static inline
-__u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
- enum lprocfs_fields_flags field)
+u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
+ enum lprocfs_fields_flags field)
{ return (__u64)0; }
#define LPROC_SEQ_FOPS_RO(name)