1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright IBM Corp. 2008 4 * 5 * Author: Jan Glauber (jang@linux.vnet.ibm.com) 6 */ 7 #ifndef QDIO_DEBUG_H 8 #define QDIO_DEBUG_H 9 10 #include <asm/debug.h> 11 #include <asm/qdio.h> 12 #include "qdio.h" 13 14 /* that gives us 15 characters in the text event views */ 15 #define QDIO_DBF_LEN 32 16 17 extern debug_info_t *qdio_dbf_setup; 18 extern debug_info_t *qdio_dbf_error; 19 20 #define DBF_ERR 3 /* error conditions */ 21 #define DBF_WARN 4 /* warning conditions */ 22 #define DBF_INFO 6 /* informational */ 23 24 #undef DBF_EVENT 25 #undef DBF_ERROR 26 #undef DBF_DEV_EVENT 27 28 #define DBF_EVENT(text...) \ 29 do { \ 30 char debug_buffer[QDIO_DBF_LEN]; \ 31 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 32 debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \ 33 } while (0) 34 35 static inline void DBF_HEX(void *addr, int len) 36 { 37 debug_event(qdio_dbf_setup, DBF_ERR, addr, len); 38 } 39 40 #define DBF_ERROR(text...) \ 41 do { \ 42 char debug_buffer[QDIO_DBF_LEN]; \ 43 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 44 debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \ 45 } while (0) 46 47 static inline void DBF_ERROR_HEX(void *addr, int len) 48 { 49 debug_event(qdio_dbf_error, DBF_ERR, addr, len); 50 } 51 52 #define DBF_DEV_EVENT(level, device, text...) \ 53 do { \ 54 char debug_buffer[QDIO_DBF_LEN]; \ 55 if (debug_level_enabled(device->debug_area, level)) { \ 56 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 57 debug_text_event(device->debug_area, level, debug_buffer); \ 58 } \ 59 } while (0) 60 61 static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr, 62 int len, int level) 63 { 64 debug_event(dev->debug_area, level, addr, len); 65 } 66 67 int qdio_allocate_dbf(struct qdio_initialize *init_data, 68 struct qdio_irq *irq_ptr); 69 void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, 70 struct ccw_device *cdev); 71 void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr); 72 int qdio_debug_init(void); 73 void qdio_debug_exit(void); 74 75 #endif 76