Whamcloud - gitweb
LU-13090 utils: fix lfs_migrate -p for file with pool
[fs/lustre-release.git] / libcfs / libcfs / tracefile.h
index d4fe104..9497e88 100644 (file)
  *
  * 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, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 
 #include <libcfs/libcfs.h>
 
-#ifdef __KERNEL__
-#if defined(__linux__)
-#include "linux/linux-tracefile.h"
-#else
-#error Unsupported operating system.
-#endif
-#else
-#include "posix/posix-tracefile.h"
-#endif
+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);
@@ -75,16 +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);
@@ -93,7 +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)
 
@@ -102,7 +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)
@@ -117,7 +114,7 @@ union cfs_trace_data_union {
                 * Even though this structure is meant to be per-CPU, locking
                 * is needed because in some places the data may be accessed
                 * from other CPUs. This lock is directly used in trace_get_tcd
-                * and trace_put_tcd, which are called in libcfs_debug_vmsg2 and
+                * and trace_put_tcd, which are called in libcfs_debug_msg and
                 * tcd_for_each_type_lock
                 */
                spinlock_t              tcd_lock;
@@ -262,15 +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)
 {
@@ -280,12 +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 =
@@ -302,7 +286,7 @@ static inline void cfs_trace_put_tcd(struct cfs_trace_cpu_data *tcd)
        put_cpu();
 }
 
-int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, int gfp,
+int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, gfp_t gfp,
                                struct list_head *stock);
 
 
@@ -313,21 +297,21 @@ extern void cfs_trace_assertion_failed(const char *str,
                                        struct libcfs_debug_msg_data *m);
 
 /* ASSERTION that is safe to use within the debug system */
-#define __LASSERT(cond)                                                 \
-do {                                                                    \
-        if (unlikely(!(cond))) {                                        \
-                LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_EMERG, NULL);     \
-                cfs_trace_assertion_failed("ASSERTION("#cond") failed", \
-                                           &msgdata);                   \
-        }                                                               \
+#define __LASSERT(cond)                                                        \
+do {                                                                   \
+       if (unlikely(!(cond))) {                                        \
+               LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_EMERG, NULL);     \
+               cfs_trace_assertion_failed("ASSERTION("#cond") failed", \
+                                          &msgdata);                   \
+       }                                                               \
 } while (0)
 
-#define __LASSERT_TAGE_INVARIANT(tage)                                  \
-do {                                                                    \
-        __LASSERT(tage != NULL);                                        \
-        __LASSERT(tage->page != NULL);                                  \
-       __LASSERT(tage->used <= PAGE_CACHE_SIZE);                         \
-       __LASSERT(page_count(tage->page) > 0);                      \
+#define __LASSERT_TAGE_INVARIANT(tage)                                 \
+do {                                                                   \
+       __LASSERT(tage != NULL);                                        \
+       __LASSERT(tage->page != NULL);                                  \
+       __LASSERT(tage->used <= PAGE_SIZE);                             \
+       __LASSERT(page_count(tage->page) > 0);                          \
 } while (0)
 
 #endif /* LUSTRE_TRACEFILE_PRIVATE */