#ifndef DEBUG_H
#define DEBUG_H
+#include <linux/fs.h>
#include <linux/string.h>
/* Note:
} __attribute__((packed));
-#define __DEBUG_FEATURE_VERSION 1 /* version of debug feature */
+#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */
#ifdef __KERNEL__
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/time.h>
-#include <linux/proc_fs.h>
#define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */
#define DEBUG_OFF_LEVEL -1 /* level where debug is switched off */
#define DEBUG_FLUSH_ALL -1 /* parameter to flush all areas */
#define DEBUG_MAX_VIEWS 10 /* max number of views in proc fs */
-#define DEBUG_MAX_PROCF_LEN 64 /* max length for a proc file name */
+#define DEBUG_MAX_NAME_LEN 64 /* max length for a debugfs file name */
#define DEBUG_DEFAULT_LEVEL 3 /* initial debug level */
#define DEBUG_DIR_ROOT "s390dbf" /* name of debug root directory in proc fs */
#define DEBUG_DATA(entry) (char*)(entry + 1) /* data is stored behind */
/* the entry information */
-#define STCK(x) asm volatile ("STCK 0(%1)" : "=m" (x) : "a" (&(x)) : "cc")
-
typedef struct __debug_entry debug_entry_t;
struct debug_view;
spinlock_t lock;
int level;
int nr_areas;
- int page_order;
+ int pages_per_area;
int buf_size;
int entry_size;
- debug_entry_t** areas;
+ debug_entry_t*** areas;
int active_area;
- int *active_entry;
- struct proc_dir_entry* proc_root_entry;
- struct proc_dir_entry* proc_entries[DEBUG_MAX_VIEWS];
+ int *active_pages;
+ int *active_entries;
+ struct dentry* debugfs_root_entry;
+ struct dentry* debugfs_entries[DEBUG_MAX_VIEWS];
struct debug_view* views[DEBUG_MAX_VIEWS];
- char name[DEBUG_MAX_PROCF_LEN];
+ char name[DEBUG_MAX_NAME_LEN];
} debug_info_t;
typedef int (debug_header_proc_t) (debug_info_t* id,
int area, debug_entry_t* entry, char* out_buf);
struct debug_view {
- char name[DEBUG_MAX_PROCF_LEN];
+ char name[DEBUG_MAX_NAME_LEN];
debug_prolog_proc_t* prolog_proc;
debug_header_proc_t* header_proc;
debug_format_proc_t* format_proc;
/* Debug Feature API: */
-debug_info_t* debug_register(char* name, int pages_index, int nr_areas,
+debug_info_t* debug_register(char* name, int pages, int nr_areas,
int buf_size);
void debug_unregister(debug_info_t* id);
void debug_stop_all(void);
-extern inline debug_entry_t*
+static inline debug_entry_t*
debug_event(debug_info_t* id, int level, void* data, int length)
{
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_event_common(id,level,data,length);
}
-extern inline debug_entry_t*
+static inline debug_entry_t*
debug_int_event(debug_info_t* id, int level, unsigned int tag)
{
unsigned int t=tag;
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_event_common(id,level,&t,sizeof(unsigned int));
}
-extern inline debug_entry_t *
+static inline debug_entry_t *
debug_long_event (debug_info_t* id, int level, unsigned long tag)
{
unsigned long t=tag;
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_event_common(id,level,&t,sizeof(unsigned long));
}
-extern inline debug_entry_t*
+static inline debug_entry_t*
debug_text_event(debug_info_t* id, int level, const char* txt)
{
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_event_common(id,level,txt,strlen(txt));
}
__attribute__ ((format(printf, 3, 4)));
-extern inline debug_entry_t*
+static inline debug_entry_t*
debug_exception(debug_info_t* id, int level, void* data, int length)
{
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_exception_common(id,level,data,length);
}
-extern inline debug_entry_t*
+static inline debug_entry_t*
debug_int_exception(debug_info_t* id, int level, unsigned int tag)
{
unsigned int t=tag;
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_exception_common(id,level,&t,sizeof(unsigned int));
}
-extern inline debug_entry_t *
+static inline debug_entry_t *
debug_long_exception (debug_info_t* id, int level, unsigned long tag)
{
unsigned long t=tag;
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_exception_common(id,level,&t,sizeof(unsigned long));
}
-extern inline debug_entry_t*
+static inline debug_entry_t*
debug_text_exception(debug_info_t* id, int level, const char* txt)
{
- if ((!id) || (level > id->level)) return NULL;
+ if ((!id) || (level > id->level) || (id->pages_per_area == 0))
+ return NULL;
return debug_exception_common(id,level,txt,strlen(txt));
}