1 /* 2 * Copyright IBM Corp. 2001, 2007 3 * Authors: Peter Tiedemann (ptiedem@de.ibm.com) 4 * 5 */ 6 7 #include <linux/stddef.h> 8 #include <linux/string.h> 9 #include <linux/kernel.h> 10 #include <linux/errno.h> 11 #include <linux/ctype.h> 12 #include <linux/sysctl.h> 13 #include <linux/module.h> 14 #include <linux/init.h> 15 #include <linux/fs.h> 16 #include <linux/debugfs.h> 17 #include "ctcm_dbug.h" 18 19 /* 20 * Debug Facility Stuff 21 */ 22 23 struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = { 24 [CTCM_DBF_SETUP] = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL}, 25 [CTCM_DBF_ERROR] = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL}, 26 [CTCM_DBF_TRACE] = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL}, 27 [CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL}, 28 [CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL}, 29 [CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL}, 30 }; 31 32 void ctcm_unregister_dbf_views(void) 33 { 34 int x; 35 for (x = 0; x < CTCM_DBF_INFOS; x++) { 36 debug_unregister(ctcm_dbf[x].id); 37 ctcm_dbf[x].id = NULL; 38 } 39 } 40 41 int ctcm_register_dbf_views(void) 42 { 43 int x; 44 for (x = 0; x < CTCM_DBF_INFOS; x++) { 45 /* register the areas */ 46 ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name, 47 ctcm_dbf[x].pages, 48 ctcm_dbf[x].areas, 49 ctcm_dbf[x].len); 50 if (ctcm_dbf[x].id == NULL) { 51 ctcm_unregister_dbf_views(); 52 return -ENOMEM; 53 } 54 55 /* register a view */ 56 debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view); 57 /* set a passing level */ 58 debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level); 59 } 60 61 return 0; 62 } 63 64 void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...) 65 { 66 char dbf_txt_buf[64]; 67 va_list args; 68 69 if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level)) 70 return; 71 va_start(args, fmt); 72 vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args); 73 va_end(args); 74 75 debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf); 76 } 77 78