LXR linux/drivers/s390/cio/qdio

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 *  Copyright IBM Corp. 2008
   4 *
   5 *  Author: Jan Glauber (jang@linux.vnet.ibm.com)
   6 */
   7#ifndef QDIO_DEBUG_H
   8#define QDIO_DEBUG_H
   9
  10#include <asm/debug.h>
  11#include <asm/qdio.h>
  12#include "qdio.h"
  13
  14/* that gives us 15 characters in the text event views */
  15#define QDIO_DBF_LEN    32
  16
  17extern debug_info_t *qdio_dbf_setup;
  18extern debug_info_t *qdio_dbf_error;
  19
  20#define DBF_ERR         3       /* error conditions     */
  21#define DBF_WARN        4       /* warning conditions   */
  22#define DBF_INFO        6       /* informational        */
  23
  24#undef DBF_EVENT
  25#undef DBF_ERROR
  26#undef DBF_DEV_EVENT
  27
  28#define DBF_EVENT(text...) \
  29        do { \
  30                char debug_buffer[QDIO_DBF_LEN]; \
  31                snprintf(debug_buffer, QDIO_DBF_LEN, text); \
  32                debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
  33        } while (0)
  34
  35static inline void DBF_HEX(void *addr, int len)
  36{
  37        debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
  38}
  39
  40#define DBF_ERROR(text...) \
  41        do { \
  42                char debug_buffer[QDIO_DBF_LEN]; \
  43                snprintf(debug_buffer, QDIO_DBF_LEN, text); \
  44                debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
  45        } while (0)
  46
  47static inline void DBF_ERROR_HEX(void *addr, int len)
  48{
  49        debug_event(qdio_dbf_error, DBF_ERR, addr, len);
  50}
  51
  52#define DBF_DEV_EVENT(level, device, text...) \
  53        do { \
  54                char debug_buffer[QDIO_DBF_LEN]; \
  55                if (debug_level_enabled(device->debug_area, level)) { \
  56                        snprintf(debug_buffer, QDIO_DBF_LEN, text); \
  57                        debug_text_event(device->debug_area, level, debug_buffer); \
  58                } \
  59        } while (0)
  60
  61static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
  62                               int len, int level)
  63{
  64        debug_event(dev->debug_area, level, addr, len);
  65}
  66
  67int qdio_allocate_dbf(struct qdio_irq *irq_ptr);
  68void qdio_setup_debug_entries(struct qdio_irq *irq_ptr);
  69void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
  70int qdio_debug_init(void);
  71void qdio_debug_exit(void);
  72
  73#endif
  74