*
* 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __LIBCFS_LIBCFS_H__
#define __LIBCFS_LIBCFS_H__
-#include <libcfs/types.h>
-#include <libcfs/list.h>
-
-#ifdef __KERNEL__
-# include <libcfs/linux/libcfs.h>
-#else /* !__KERNEL__ */
-# include <assert.h>
-# include <ctype.h>
-# include <errno.h>
-# include <fcntl.h>
-# include <limits.h>
-# include <signal.h>
-# include <stdarg.h>
-# include <stdbool.h>
-# include <stddef.h>
-# include <stdint.h>
-# include <stdio.h>
-# include <stdlib.h>
-# include <string.h>
-# include <time.h>
-# include <sys/ioctl.h>
-# include <sys/socket.h>
-# include <sys/stat.h>
-# include <sys/time.h>
-# include <sys/types.h>
-# include <libcfs/user-time.h>
-#endif /* __KERNEL__ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/workqueue.h>
+
+#include <libcfs/linux/linux-misc.h>
+#include <libcfs/linux/linux-time.h>
+#include <uapi/linux/lnet/libcfs_ioctl.h>
+#include <libcfs/libcfs_debug.h>
+#include <libcfs/libcfs_private.h>
+#include <libcfs/bitmap.h>
+#include <libcfs/libcfs_cpu.h>
+#include <libcfs/libcfs_prim.h>
+#include <libcfs/libcfs_string.h>
+#include <libcfs/libcfs_workitem.h>
+#include <libcfs/libcfs_hash.h>
+#include <libcfs/libcfs_heap.h>
+#include <libcfs/libcfs_fail.h>
#include "curproc.h"
#define LIBCFS_VERSION "0.5.0"
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(a) ((sizeof (a)) / (sizeof ((a)[0])))
-#endif
-
-#if !defined(swap)
-#define swap(x,y) do { typeof(x) z = x; x = y; y = z; } while (0)
-#endif
-
-#if !defined(container_of)
-/* given a pointer @ptr to the field @member embedded into type (usually
- * struct) @type, return pointer to the embedding instance of @type. */
-#define container_of(ptr, type, member) \
- ((type *)((char *)(ptr)-(char *)(&((type *)0)->member)))
-#endif
-
-static inline int __is_po2(unsigned long long val)
-{
- return !(val & (val - 1));
-}
-
-#define IS_PO2(val) __is_po2((unsigned long long)(val))
#define PO2_ROUNDUP_TYPED(x, po2, type) (-(-(type)(x) & -(type)(po2)))
#define LOWEST_BIT_SET(x) ((x) & ~((x) - 1))
/* Sparse annotations */
-#ifdef __KERNEL__
-# if !defined(__must_hold)
-# ifdef __CHECKER__
-# define __must_hold(x) __attribute__((context(x, 1, 1)))
-# else /* __CHECKER__ */
-# define __must_hold(x)
-# endif /* !__CHECKER__ */
-# endif /* !__must_hold */
-#else /* __KERNEL__ */
-# define __acquires(x)
-# define __releases(x)
-# define __must_hold(x)
-#endif /* !__KERNEL__ */
-
-/*
- * Lustre Error Checksum: calculates checksum
- * of Hex number by XORing each bit.
- */
-#define LERRCHKSUM(hexnum) (((hexnum) & 0xf) ^ ((hexnum) >> 4 & 0xf) ^ \
- ((hexnum) >> 8 & 0xf))
-
-/*
- * Some (nomina odiosa sunt) platforms define NULL as naked 0. This confuses
- * Lustre RETURN(NULL) macro.
- */
-#if defined(NULL)
-#undef NULL
-#endif
-
-#define NULL ((void *)0)
-
-#ifdef __KERNEL__
-
-/* libcfs watchdogs */
-struct lc_watchdog;
-
-/* Add a watchdog which fires after "time" milliseconds of delay. You have to
- * touch it once to enable it. */
-struct lc_watchdog *lc_watchdog_add(int time,
- void (*cb)(pid_t pid, void *),
- void *data);
-
-/* Enables a watchdog and resets its timer. */
-void lc_watchdog_touch(struct lc_watchdog *lcw, int timeout);
-#define CFS_GET_TIMEOUT(svc) (max_t(int, obd_timeout, \
- AT_OFF ? 0 : at_get(&svc->srv_at_estimate)) * \
- svc->srv_watchdog_factor)
-
-/* Disable a watchdog; touch it to restart it. */
-void lc_watchdog_disable(struct lc_watchdog *lcw);
-
-/* Clean up the watchdog */
-void lc_watchdog_delete(struct lc_watchdog *lcw);
-
-#endif /* __KERNEL__ */
+#if !defined(__must_hold)
+# ifdef __CHECKER__
+# define __must_hold(x) __attribute__((context(x, 1, 1)))
+# else /* __CHECKER__ */
+# define __must_hold(x)
+# endif /* !__CHECKER__ */
+#endif /* !__must_hold */
/* need both kernel and user-land acceptor */
#define LNET_ACCEPTOR_MIN_RESERVED_PORT 512
#define LNET_ACCEPTOR_MAX_RESERVED_PORT 1023
-/*
- * Drop into debugger, if possible. Implementation is provided by platform.
- */
-
-void cfs_enter_debugger(void);
+extern struct blocking_notifier_head libcfs_ioctl_list;
+static inline int notifier_from_ioctl_errno(int err)
+{
+ if (err == -EINVAL)
+ return NOTIFY_OK;
+ return notifier_from_errno(err) | NOTIFY_STOP_MASK;
+}
/*
* Defined by platform
void cfs_srand(unsigned int, unsigned int);
void cfs_get_random_bytes(void *buf, int size);
-#include <libcfs/byteorder.h>
-#include <libcfs/libcfs_debug.h>
-#include <libcfs/libcfs_private.h>
-#ifdef __KERNEL__
-# include <libcfs/bitmap.h>
-# include <libcfs/libcfs_cpu.h>
-# include <libcfs/libcfs_ioctl.h>
-# include <libcfs/libcfs_prim.h>
-#endif /* __KERNEL__ */
-#include <libcfs/libcfs_time.h>
-#ifdef __KERNEL__
-# include <libcfs/libcfs_string.h>
-# include <libcfs/libcfs_workitem.h>
-# include <libcfs/libcfs_hash.h>
-# include <libcfs/libcfs_heap.h>
-# include <libcfs/libcfs_fail.h>
-
int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data);
int libcfs_ioctl(unsigned long cmd, void __user *uparam);
return (char *)ptr - shift;
}
-#define container_of0(ptr, type, member) \
+#define container_of0(ptr, type, member) \
((type *)__container_of((ptr), offsetof(type, member)))
-#endif /* __KERNEL__ */
+extern struct workqueue_struct *cfs_rehash_wq;
+
+struct lnet_debugfs_symlink_def {
+ const char *name;
+ const char *target;
+};
+
+void lnet_insert_debugfs(struct ctl_table *table);
+void lnet_remove_debugfs(struct ctl_table *table);
+
+/* helper for sysctl handlers */
+int lprocfs_call_handler(void *data, int write, loff_t *ppos,
+ void __user *buffer, size_t *lenp,
+ int (*handler)(void *data, int write, loff_t pos,
+ void __user *buffer, int len));
#endif /* _LIBCFS_LIBCFS_H_ */