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