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[S390] qdio: rework debug feature logging

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- make qdio_trace a per device view
- remove s390dbf exceptions
- remove CONFIG_QDIO_DEBUG, not needed anymore if we check for the level
  before calling sprintf
- use snprintf for dbf entries
- add start markers to see if the dbf view wrapped
- add a global error view for all queues

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber
2008-12-25 13:38:46 +01:00
committed by Martin Schwidefsky
parent 9a1ce28aeb
commit 22f9934767
7 changed files with 243 additions and 448 deletions
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126
drivers/s390/cio/qdio_debug.h
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@@ -12,80 +12,72 @@
#include <asm/qdio.h>
#include "qdio.h"
#define QDIO_DBF_HEX(ex, name, level, addr, len) \
do { \
if (ex) \
debug_exception(qdio_dbf_##name, level, (void *)(addr), len); \
else \
debug_event(qdio_dbf_##name, level, (void *)(addr), len); \
} while (0)
#define QDIO_DBF_TEXT(ex, name, level, text) \
do { \
if (ex) \
debug_text_exception(qdio_dbf_##name, level, text); \
else \
debug_text_event(qdio_dbf_##name, level, text); \
} while (0)
#define QDIO_DBF_HEX0(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 0, addr, len)
#define QDIO_DBF_HEX1(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 1, addr, len)
#define QDIO_DBF_HEX2(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 2, addr, len)
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_DBF_HEX3(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 3, addr, len)
#define QDIO_DBF_HEX4(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 4, addr, len)
#define QDIO_DBF_HEX5(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 5, addr, len)
#define QDIO_DBF_HEX6(ex, name, addr, len) QDIO_DBF_HEX(ex, name, 6, addr, len)
#else
#define QDIO_DBF_HEX3(ex, name, addr, len) do {} while (0)
#define QDIO_DBF_HEX4(ex, name, addr, len) do {} while (0)
#define QDIO_DBF_HEX5(ex, name, addr, len) do {} while (0)
#define QDIO_DBF_HEX6(ex, name, addr, len) do {} while (0)
#endif /* CONFIG_QDIO_DEBUG */
#define QDIO_DBF_TEXT0(ex, name, text) QDIO_DBF_TEXT(ex, name, 0, text)
#define QDIO_DBF_TEXT1(ex, name, text) QDIO_DBF_TEXT(ex, name, 1, text)
#define QDIO_DBF_TEXT2(ex, name, text) QDIO_DBF_TEXT(ex, name, 2, text)
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_DBF_TEXT3(ex, name, text) QDIO_DBF_TEXT(ex, name, 3, text)
#define QDIO_DBF_TEXT4(ex, name, text) QDIO_DBF_TEXT(ex, name, 4, text)
#define QDIO_DBF_TEXT5(ex, name, text) QDIO_DBF_TEXT(ex, name, 5, text)
#define QDIO_DBF_TEXT6(ex, name, text) QDIO_DBF_TEXT(ex, name, 6, text)
#else
#define QDIO_DBF_TEXT3(ex, name, text) do {} while (0)
#define QDIO_DBF_TEXT4(ex, name, text) do {} while (0)
#define QDIO_DBF_TEXT5(ex, name, text) do {} while (0)
#define QDIO_DBF_TEXT6(ex, name, text) do {} while (0)
#endif /* CONFIG_QDIO_DEBUG */
/* s390dbf views */
#define QDIO_DBF_SETUP_LEN 8
#define QDIO_DBF_SETUP_PAGES 8
#define QDIO_DBF_SETUP_NR_AREAS 1
#define QDIO_DBF_TRACE_LEN 8
#define QDIO_DBF_TRACE_NR_AREAS 2
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_DBF_TRACE_PAGES 32
#define QDIO_DBF_SETUP_LEVEL 6
#define QDIO_DBF_TRACE_LEVEL 4
#else /* !CONFIG_QDIO_DEBUG */
#define QDIO_DBF_TRACE_PAGES 8
#define QDIO_DBF_SETUP_LEVEL 2
#define QDIO_DBF_TRACE_LEVEL 2
#endif /* CONFIG_QDIO_DEBUG */
/* that gives us 15 characters in the text event views */
#define QDIO_DBF_LEN 16
extern debug_info_t *qdio_dbf_setup;
extern debug_info_t *qdio_dbf_trace;
extern debug_info_t *qdio_dbf_error;
void qdio_allocate_do_dbf(struct qdio_initialize *init_data);
void debug_print_bstat(struct qdio_q *q);
/* sort out low debug levels early to avoid wasted sprints */
static inline int qdio_dbf_passes(debug_info_t *dbf_grp, int level)
{
return (level <= dbf_grp->level);
}
#define DBF_ERR 3 /* error conditions */
#define DBF_WARN 4 /* warning conditions */
#define DBF_INFO 6 /* informational */
#undef DBF_EVENT
#undef DBF_ERROR
#undef DBF_DEV_EVENT
#define DBF_EVENT(text...) \
do { \
char debug_buffer[QDIO_DBF_LEN]; \
snprintf(debug_buffer, QDIO_DBF_LEN, text); \
debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
} while (0)
#define DBF_HEX(addr, len) \
do { \
debug_event(qdio_dbf_setup, DBF_ERR, (void*)(addr), len); \
} while (0)
#define DBF_ERROR(text...) \
do { \
char debug_buffer[QDIO_DBF_LEN]; \
snprintf(debug_buffer, QDIO_DBF_LEN, text); \
debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
} while (0)
#define DBF_ERROR_HEX(addr, len) \
do { \
debug_event(qdio_dbf_error, DBF_ERR, (void*)(addr), len); \
} while (0)
#define DBF_DEV_EVENT(level, device, text...) \
do { \
char debug_buffer[QDIO_DBF_LEN]; \
if (qdio_dbf_passes(device->debug_area, level)) { \
snprintf(debug_buffer, QDIO_DBF_LEN, text); \
debug_text_event(device->debug_area, level, debug_buffer); \
} \
} while (0)
#define DBF_DEV_HEX(level, device, addr, len) \
do { \
debug_event(device->debug_area, level, (void*)(addr), len); \
} while (0)
void qdio_allocate_dbf(struct qdio_initialize *init_data,
struct qdio_irq *irq_ptr);
void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
struct ccw_device *cdev);
void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr,
struct ccw_device *cdev);
int qdio_debug_init(void);
void qdio_debug_exit(void);
#endif