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613c4e0459
Keep the per-device dbf entries until module is removed, with proper error checking for debug feature setup. Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Reviewed-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*
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* Copyright IBM Corp. 2008
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*
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* Author: Jan Glauber (jang@linux.vnet.ibm.com)
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*/
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#ifndef QDIO_DEBUG_H
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#define QDIO_DEBUG_H
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#include <asm/debug.h>
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#include <asm/qdio.h>
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#include "qdio.h"
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/* that gives us 15 characters in the text event views */
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#define QDIO_DBF_LEN 16
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extern debug_info_t *qdio_dbf_setup;
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extern debug_info_t *qdio_dbf_error;
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#define DBF_ERR 3 /* error conditions */
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#define DBF_WARN 4 /* warning conditions */
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#define DBF_INFO 6 /* informational */
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#undef DBF_EVENT
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#undef DBF_ERROR
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#undef DBF_DEV_EVENT
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#define DBF_EVENT(text...) \
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do { \
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char debug_buffer[QDIO_DBF_LEN]; \
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snprintf(debug_buffer, QDIO_DBF_LEN, text); \
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debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
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} while (0)
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static inline void DBF_HEX(void *addr, int len)
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{
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while (len > 0) {
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debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
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len -= qdio_dbf_setup->buf_size;
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addr += qdio_dbf_setup->buf_size;
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}
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}
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#define DBF_ERROR(text...) \
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do { \
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char debug_buffer[QDIO_DBF_LEN]; \
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snprintf(debug_buffer, QDIO_DBF_LEN, text); \
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debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
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} while (0)
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static inline void DBF_ERROR_HEX(void *addr, int len)
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{
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while (len > 0) {
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debug_event(qdio_dbf_error, DBF_ERR, addr, len);
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len -= qdio_dbf_error->buf_size;
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addr += qdio_dbf_error->buf_size;
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}
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}
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#define DBF_DEV_EVENT(level, device, text...) \
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do { \
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char debug_buffer[QDIO_DBF_LEN]; \
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if (debug_level_enabled(device->debug_area, level)) { \
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snprintf(debug_buffer, QDIO_DBF_LEN, text); \
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debug_text_event(device->debug_area, level, debug_buffer); \
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} \
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} while (0)
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static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
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int len, int level)
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{
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while (len > 0) {
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debug_event(dev->debug_area, level, addr, len);
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len -= dev->debug_area->buf_size;
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addr += dev->debug_area->buf_size;
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}
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}
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int qdio_allocate_dbf(struct qdio_initialize *init_data,
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struct qdio_irq *irq_ptr);
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void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
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struct ccw_device *cdev);
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void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
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int qdio_debug_init(void);
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void qdio_debug_exit(void);
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#endif
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