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 while (len > 0) { 38 debug_event(qdio_dbf_setup, DBF_ERR, addr, len); 39 len -= qdio_dbf_setup->buf_size; 40 addr += qdio_dbf_setup->buf_size; 41 } 42 } 43 44 #define DBF_ERROR(text...) \ 45 do { \ 46 char debug_buffer[QDIO_DBF_LEN]; \ 47 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 48 debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \ 49 } while (0) 50 51 static inline void DBF_ERROR_HEX(void *addr, int len) 52 { 53 while (len > 0) { 54 debug_event(qdio_dbf_error, DBF_ERR, addr, len); 55 len -= qdio_dbf_error->buf_size; 56 addr += qdio_dbf_error->buf_size; 57 } 58 } 59 60 #define DBF_DEV_EVENT(level, device, text...) \ 61 do { \ 62 char debug_buffer[QDIO_DBF_LEN]; \ 63 if (debug_level_enabled(device->debug_area, level)) { \ 64 snprintf(debug_buffer, QDIO_DBF_LEN, text); \ 65 debug_text_event(device->debug_area, level, debug_buffer); \ 66 } \ 67 } while (0) 68 69 static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr, 70 int len, int level) 71 { 72 while (len > 0) { 73 debug_event(dev->debug_area, level, addr, len); 74 len -= dev->debug_area->buf_size; 75 addr += dev->debug_area->buf_size; 76 } 77 } 78 79 int qdio_allocate_dbf(struct qdio_initialize *init_data, 80 struct qdio_irq *irq_ptr); 81 void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, 82 struct ccw_device *cdev); 83 void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr); 84 int qdio_debug_init(void); 85 void qdio_debug_exit(void); 86 87 #endif 88