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authorYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
committerYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
commit8e4bff4cab0ddac6060645b0715210484d02ff40 (patch)
tree3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/s390/cio/qdio_debug.h
Initial file dump from open source releaseHEADmaster
Diffstat (limited to 'drivers/s390/cio/qdio_debug.h')
-rw-r--r--drivers/s390/cio/qdio_debug.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/s390/cio/qdio_debug.h b/drivers/s390/cio/qdio_debug.h
new file mode 100644
index 00000000..647b422b
--- /dev/null
+++ b/drivers/s390/cio/qdio_debug.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright IBM Corp. 2008
+ *
+ * Author: Jan Glauber (jang@linux.vnet.ibm.com)
+ */
+#ifndef QDIO_DEBUG_H
+#define QDIO_DEBUG_H
+
+#include <asm/debug.h>
+#include <asm/qdio.h>
+#include "qdio.h"
+
+/* 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_error;
+
+/* 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)
+
+static inline void DBF_HEX(void *addr, int len)
+{
+ while (len > 0) {
+ debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
+ len -= qdio_dbf_setup->buf_size;
+ addr += qdio_dbf_setup->buf_size;
+ }
+}
+
+#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)
+
+static inline void DBF_ERROR_HEX(void *addr, int len)
+{
+ while (len > 0) {
+ debug_event(qdio_dbf_error, DBF_ERR, addr, len);
+ len -= qdio_dbf_error->buf_size;
+ addr += qdio_dbf_error->buf_size;
+ }
+}
+
+#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)
+
+static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
+ int len, int level)
+{
+ while (len > 0) {
+ debug_event(dev->debug_area, level, addr, len);
+ len -= dev->debug_area->buf_size;
+ addr += dev->debug_area->buf_size;
+ }
+}
+
+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);
+int qdio_debug_init(void);
+void qdio_debug_exit(void);
+
+#endif