LU-8066 libcfs: migrate to debugfs

[fs/lustre-release.git] / libcfs / libcfs / tracefile.h

diff --git a/libcfs/libcfs/tracefile.h b/libcfs/libcfs/tracefile.h
index ca7f904..14e3311 100644 (file)
--- a/libcfs/libcfs/tracefile.h
+++ b/libcfs/libcfs/tracefile.h
@@ -15,11 +15,7 @@
  *
  * 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
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -39,17 +35,24 @@
 
 #include <libcfs/libcfs.h>
 
-#ifdef __KERNEL__
-# include "linux/linux-tracefile.h"
-#else /* __KERNEL__ */
-# include "posix/posix-tracefile.h"
-#endif /* !__KERNEL__ */
+enum cfs_trace_buf_type {
+       CFS_TCD_TYPE_PROC = 0,
+       CFS_TCD_TYPE_SOFTIRQ,
+       CFS_TCD_TYPE_IRQ,
+       CFS_TCD_TYPE_MAX
+};
+
 /* trace file lock routines */
 
 #define TRACEFILE_NAME_SIZE 1024
 extern char      cfs_tracefile[TRACEFILE_NAME_SIZE];
 extern long long cfs_tracefile_size;
 
+/**
+ * The path of debug log dump upcall script.
+ */
+extern char lnet_debug_log_upcall[1024];
+
 extern void libcfs_run_debug_log_upcall(char *file);
 
 int  cfs_tracefile_init_arch(void);
@@ -71,16 +74,14 @@ void cfs_tracefile_exit(void);
 
 
 int cfs_trace_copyin_string(char *knl_buffer, int knl_buffer_nob,
-                            const char *usr_buffer, int usr_buffer_nob);
-int cfs_trace_copyout_string(char *usr_buffer, int usr_buffer_nob,
+                           const char __user *usr_buffer, int usr_buffer_nob);
+int cfs_trace_copyout_string(char __user *usr_buffer, int usr_buffer_nob,
                              const char *knl_str, char *append);
 int cfs_trace_allocate_string_buffer(char **str, int nob);
-void cfs_trace_free_string_buffer(char *str, int nob);
-int cfs_trace_dump_debug_buffer_usrstr(void *usr_str, int usr_str_nob);
+int cfs_trace_dump_debug_buffer_usrstr(void __user *usr_str, int usr_str_nob);
 int cfs_trace_daemon_command(char *str);
-int cfs_trace_daemon_command_usrstr(void *usr_str, int usr_str_nob);
+int cfs_trace_daemon_command_usrstr(void __user *usr_str, int usr_str_nob);
 int cfs_trace_set_debug_mb(int mb);
-int cfs_trace_set_debug_mb_usrstr(void *usr_str, int usr_str_nob);
 int cfs_trace_get_debug_mb(void);
 
 extern void libcfs_debug_dumplog_internal(void *arg);
@@ -89,7 +90,7 @@ extern void libcfs_unregister_panic_notifier(void);
 extern int  libcfs_panic_in_progress;
 extern int  cfs_trace_max_debug_mb(void);
 
-#define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT))
+#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT))
 #define TCD_STOCK_PAGES (TCD_MAX_PAGES)
 #define CFS_TRACEFILE_SIZE (500 << 20)
 
@@ -98,7 +99,7 @@ extern int  cfs_trace_max_debug_mb(void);
 /*
  * Private declare for tracefile
  */
-#define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT))
+#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT))
 #define TCD_STOCK_PAGES (TCD_MAX_PAGES)
 
 #define CFS_TRACEFILE_SIZE (500 << 20)
@@ -258,15 +259,8 @@ extern void cfs_print_to_console(struct ptldebug_header *hdr, int mask,
 extern int cfs_trace_lock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
 extern void cfs_trace_unlock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
 
-/**
- * trace_buf_type_t, trace_buf_idx_get() and trace_console_buffers[][]
- * are not public libcfs API; they should be defined in
- * platform-specific tracefile include files
- * (see, for example, linux-tracefile.h).
- */
-
 extern char *cfs_trace_console_buffers[NR_CPUS][CFS_TCD_TYPE_MAX];
-extern cfs_trace_buf_type_t cfs_trace_buf_idx_get(void);
+extern enum cfs_trace_buf_type cfs_trace_buf_idx_get(void);
 
 static inline char *cfs_trace_get_console_buffer(void)
 {
@@ -276,12 +270,6 @@ static inline char *cfs_trace_get_console_buffer(void)
        return cfs_trace_console_buffers[i][j];
 }
 
-static inline void
-cfs_trace_put_console_buffer(char *buffer)
-{
-       put_cpu();
-}
-
 static inline struct cfs_trace_cpu_data *cfs_trace_get_tcd(void)
 {
        struct cfs_trace_cpu_data *tcd =
@@ -322,7 +310,7 @@ do {                                                                    \
 do {                                                                    \
         __LASSERT(tage != NULL);                                        \
         __LASSERT(tage->page != NULL);                                  \
-       __LASSERT(tage->used <= PAGE_CACHE_SIZE);                         \
+       __LASSERT(tage->used <= PAGE_SIZE);                         \
        __LASSERT(page_count(tage->page) > 0);                      \
 } while (0)