diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/s390/cio/qdio_debug.h | |
Diffstat (limited to 'drivers/s390/cio/qdio_debug.h')
| -rw-r--r-- | drivers/s390/cio/qdio_debug.h | 92 |
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 |
