patch-2.2.17 linux/include/asm-s390/debug.h

• Lines: 121
• Date: Mon Sep 4 18:39:28 2000
• Orig file: v2.2.16/include/asm-s390/debug.h
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --recursive --new-file v2.2.16/include/asm-s390/debug.h linux/include/asm-s390/debug.h
@@ -0,0 +1,120 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+
+#include <asm/spinlock.h>
+
+#ifdef __KERNEL__
+
+#define MAX_DEBUG_AREAS 16
+
+#define STCK(x) asm volatile ("STCK %0":"=m" (x))
+
+typedef struct
+{
+  union
+  {
+    struct
+    {
+      unsigned long long cpuid:4;
+      unsigned long long clock:60;
+    }
+    fields;
+    unsigned long long stck;
+  }
+  id;
+  void *caller;
+  union
+  {
+    unsigned long tag;
+    char text[4];
+  }
+  tag;
+}
+debug_entry_t;
+
+typedef struct
+{
+  char *name;
+  int level;
+  int nr_areas;
+  int page_order;
+  debug_entry_t **areas;
+  int active_area;
+  int *active_entry;
+  spinlock_t lock;
+}
+debug_info_t;
+
+int debug_init (void);
+debug_info_t *debug_register (char *name, int pages_index, int nr_areas);
+void debug_unregister (debug_info_t * id, char *name);
+void debug_event (debug_info_t * id, int level, unsigned int tag);
+void debug_text_event (debug_info_t * id, int level, char tag[4]);
+void debug_exception (debug_info_t * id, int level, unsigned int tag);
+void debug_text_exception (debug_info_t * id, int level, char tag[4]);
+
+/*
+   define the debug levels:
+   - 0 No debugging output to console or syslog
+   - 1 Log internal errors to syslog, ignore check conditions 
+   - 2 Log internal errors and check conditions to syslog
+   - 3 Log internal errors to console, log check conditions to syslog
+   - 4 Log internal errors and check conditions to console
+   - 5 panic on internal errors, log check conditions to console
+   - 6 panic on both, internal errors and check conditions
+ */
+
+#ifndef DEBUG_LEVEL
+#define DEBUG_LEVEL 4
+#endif
+
+#define INTERNAL_ERRMSG(x,y...) "E" __FILE__ "%d: " x, __LINE__, y
+#define INTERNAL_WRNMSG(x,y...) "W" __FILE__ "%d: " x, __LINE__, y
+#define INTERNAL_INFMSG(x,y...) "I" __FILE__ "%d: " x, __LINE__, y
+#define INTERNAL_DEBMSG(x,y...) "D" __FILE__ "%d: " x, __LINE__, y
+
+#if DEBUG_LEVEL > 0
+#define PRINT_DEBUG(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
+#define PRINT_INFO(x...) printk ( KERN_INFO PRINTK_HEADER x )
+#define PRINT_WARN(x...) printk ( KERN_WARNING PRINTK_HEADER x )
+#define PRINT_ERR(x...) printk ( KERN_ERR PRINTK_HEADER x )
+#define PRINT_FATAL(x...) panic ( PRINTK_HEADER x )
+#else
+#define PRINT_DEBUG(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
+#define PRINT_INFO(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
+#define PRINT_WARN(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
+#define PRINT_ERR(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
+#define PRINT_FATAL(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
+#endif				/* DASD_DEBUG */
+
+#if DASD_DEBUG > 4
+#define INTERNAL_ERROR(x...) PRINT_FATAL ( INTERNAL_ERRMSG ( x ) )
+#elif DASD_DEBUG > 2
+#define INTERNAL_ERROR(x...) PRINT_ERR ( INTERNAL_ERRMSG ( x ) )
+#elif DASD_DEBUG > 0
+#define INTERNAL_ERROR(x...) PRINT_WARN ( INTERNAL_ERRMSG ( x ) )
+#else
+#define INTERNAL_ERROR(x...)
+#endif				/* DASD_DEBUG */
+
+#if DASD_DEBUG > 5
+#define INTERNAL_CHECK(x...) PRINT_FATAL ( INTERNAL_CHKMSG ( x ) )
+#elif DASD_DEBUG > 3
+#define INTERNAL_CHECK(x...) PRINT_ERR ( INTERNAL_CHKMSG ( x ) )
+#elif DASD_DEBUG > 1
+#define INTERNAL_CHECK(x...) PRINT_WARN ( INTERNAL_CHKMSG ( x ) )
+#else
+#define INTERNAL_CHECK(x...)
+#endif				/* DASD_DEBUG */
+
+#undef DEBUG_MALLOC
+#ifdef DEBUG_MALLOC
+void *b;
+#define kmalloc(x...) (PRINT_INFO(" kmalloc %p\n",b=kmalloc(x)),b)
+#define kfree(x) PRINT_INFO(" kfree %p\n",x);kfree(x)
+#define get_free_page(x...) (PRINT_INFO(" gfp %p\n",b=get_free_page(x)),b)
+#define __get_free_pages(x...) (PRINT_INFO(" gfps %p\n",b=__get_free_pages(x)),b)
+#endif				/* DEBUG_MALLOC */
+
+#endif				/* __KERNEL__ */
+#endif				/* DEBUG_H */