diff options
Diffstat (limited to 'include/asm-s390/debug.h')
| -rw-r--r-- | include/asm-s390/debug.h | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h index 6bbcdea42a8..92360d90144 100644 --- a/include/asm-s390/debug.h +++ b/include/asm-s390/debug.h @@ -9,6 +9,8 @@ #ifndef DEBUG_H #define DEBUG_H +#include <linux/config.h> +#include <linux/fs.h> #include <linux/string.h> /* Note: @@ -31,19 +33,18 @@ struct __debug_entry{ } __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 */ @@ -64,16 +65,17 @@ typedef struct debug_info { 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, @@ -98,7 +100,7 @@ int debug_dflt_header_fn(debug_info_t* id, struct debug_view* view, 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; @@ -120,7 +122,7 @@ debug_entry_t* debug_exception_common(debug_info_t* id, int level, /* 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); @@ -132,7 +134,8 @@ void debug_stop_all(void); extern 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); } @@ -140,7 +143,8 @@ extern 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)); } @@ -148,14 +152,16 @@ extern 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* 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)); } @@ -167,7 +173,8 @@ debug_sprintf_event(debug_info_t* id,int level,char *string,...) extern 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); } @@ -175,7 +182,8 @@ extern 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)); } @@ -183,14 +191,16 @@ extern 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* 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)); } |