LXR linux/drivers/s390/cio/qdio

   1/*
   2 *  Copyright IBM Corp. 2008
   3 *
   4 *  Author: Jan Glauber (jang@linux.vnet.ibm.com)
   5 */
   6#ifndef QDIO_DEBUG_H
   7#define QDIO_DEBUG_H
   8
   9#include <asm/debug.h>
  10#include <asm/qdio.h>
  11#include "qdio.h"
  12
  13/* that gives us 15 characters in the text event views */
  14#define QDIO_DBF_LEN    16
  15
  16extern debug_info_t *qdio_dbf_setup;
  17extern debug_info_t *qdio_dbf_error;
  18
  19#define DBF_ERR         3       /* error conditions     */
  20#define DBF_WARN        4       /* warning conditions   */
  21#define DBF_INFO        6       /* informational        */
  22
  23#undef DBF_EVENT
  24#undef DBF_ERROR
  25#undef DBF_DEV_EVENT
  26
  27#define DBF_EVENT(text...) \
  28        do { \
  29                char debug_buffer[QDIO_DBF_LEN]; \
  30                snprintf(debug_buffer, QDIO_DBF_LEN, text); \
  31                debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
  32        } while (0)
  33
  34static inline void DBF_HEX(void *addr, int len)
  35{
  36        while (len > 0) {
  37                debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
  38                len -= qdio_dbf_setup->buf_size;
  39                addr += qdio_dbf_setup->buf_size;
  40        }
  41}
  42
  43#define DBF_ERROR(text...) \
  44        do { \
  45                char debug_buffer[QDIO_DBF_LEN]; \
  46                snprintf(debug_buffer, QDIO_DBF_LEN, text); \
  47                debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
  48        } while (0)
  49
  50static inline void DBF_ERROR_HEX(void *addr, int len)
  51{
  52        while (len > 0) {
  53                debug_event(qdio_dbf_error, DBF_ERR, addr, len);
  54                len -= qdio_dbf_error->buf_size;
  55                addr += qdio_dbf_error->buf_size;
  56        }
  57}
  58
  59#define DBF_DEV_EVENT(level, device, text...) \
  60        do { \
  61                char debug_buffer[QDIO_DBF_LEN]; \
  62                if (debug_level_enabled(device->debug_area, level)) { \
  63                        snprintf(debug_buffer, QDIO_DBF_LEN, text); \
  64                        debug_text_event(device->debug_area, level, debug_buffer); \
  65                } \
  66        } while (0)
  67
  68static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
  69                               int len, int level)
  70{
  71        while (len > 0) {
  72                debug_event(dev->debug_area, level, addr, len);
  73                len -= dev->debug_area->buf_size;
  74                addr += dev->debug_area->buf_size;
  75        }
  76}
  77
  78int qdio_allocate_dbf(struct qdio_initialize *init_data,
  79                       struct qdio_irq *irq_ptr);
  80void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
  81                              struct ccw_device *cdev);
  82void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
  83int qdio_debug_init(void);
  84void qdio_debug_exit(void);
  85
  86#endif
  87