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 16 extern debug_info_t *qdio_dbf_setup; 17 extern debug_info_t *qdio_dbf_error; 18 19 /* sort out low debug levels early to avoid wasted sprints */ 20 static inline int qdio_dbf_passes(debug_info_t *dbf_grp, int level) 21 { 22 return (level <= dbf_grp->level); 23 } 24 25 #define DBF_ERR 3 /* error conditions */ 26 #define DBF_WARN 4 /* warning conditions */ 27 #define DBF_INFO 6 /* informational */ 28 29 #undef DBF_EVENT 30 #undef DBF_ERROR 31 #undef DBF_DEV_EVENT 32 33 #define DBF_EVENT(text...) \ 34 do { \ 35 char debug_buffer[QDIO_DBF_LEN]; \ 36 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 37 debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \ 38 } while (0) 39 40 static inline void DBF_HEX(void *addr, int len) 41 { 42 while (len > 0) { 43 debug_event(qdio_dbf_setup, DBF_ERR, addr, len); 44 len -= qdio_dbf_setup->buf_size; 45 addr += qdio_dbf_setup->buf_size; 46 } 47 } 48 49 #define DBF_ERROR(text...) \ 50 do { \ 51 char debug_buffer[QDIO_DBF_LEN]; \ 52 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 53 debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \ 54 } while (0) 55 56 static inline void DBF_ERROR_HEX(void *addr, int len) 57 { 58 while (len > 0) { 59 debug_event(qdio_dbf_error, DBF_ERR, addr, len); 60 len -= qdio_dbf_error->buf_size; 61 addr += qdio_dbf_error->buf_size; 62 } 63 } 64 65 #define DBF_DEV_EVENT(level, device, text...) \ 66 do { \ 67 char debug_buffer[QDIO_DBF_LEN]; \ 68 if (qdio_dbf_passes(device->debug_area, level)) { \ 69 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 70 debug_text_event(device->debug_area, level, debug_buffer); \ 71 } \ 72 } while (0) 73 74 static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr, 75 int len, int level) 76 { 77 while (len > 0) { 78 debug_event(dev->debug_area, level, addr, len); 79 len -= dev->debug_area->buf_size; 80 addr += dev->debug_area->buf_size; 81 } 82 } 83 84 void qdio_allocate_dbf(struct qdio_initialize *init_data, 85 struct qdio_irq *irq_ptr); 86 void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, 87 struct ccw_device *cdev); 88 void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr, 89 struct ccw_device *cdev); 90 int qdio_debug_init(void); 91 void qdio_debug_exit(void); 92 93 #endif 94