1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "bge_impl.h" 30 31 32 /* 33 * Global variable for default debug flags 34 */ 35 uint32_t bge_debug; 36 37 /* 38 * Global mutex used by logging routines below 39 */ 40 kmutex_t bge_log_mutex[1]; 41 42 /* 43 * Static data used by logging routines; protected by <bge_log_mutex> 44 */ 45 static struct { 46 const char *who; 47 const char *fmt; 48 int level; 49 } bge_log_data; 50 51 52 /* 53 * Backend print routine for all the routines below 54 */ 55 static void 56 bge_vprt(const char *fmt, va_list args) 57 { 58 char buf[128]; 59 60 ASSERT(mutex_owned(bge_log_mutex)); 61 62 (void) vsnprintf(buf, sizeof (buf), fmt, args); 63 cmn_err(bge_log_data.level, bge_log_data.fmt, bge_log_data.who, buf); 64 } 65 66 /* 67 * Log a run-time event (CE_NOTE, log only) 68 */ 69 void 70 bge_log(bge_t *bgep, const char *fmt, ...) 71 { 72 va_list args; 73 74 mutex_enter(bge_log_mutex); 75 bge_log_data.who = bgep->ifname; 76 bge_log_data.fmt = "!%s: %s"; 77 bge_log_data.level = CE_NOTE; 78 79 va_start(args, fmt); 80 bge_vprt(fmt, args); 81 va_end(args); 82 83 mutex_exit(bge_log_mutex); 84 } 85 86 /* 87 * Log a run-time problem (CE_WARN, log only) 88 */ 89 void 90 bge_problem(bge_t *bgep, const char *fmt, ...) 91 { 92 va_list args; 93 94 mutex_enter(bge_log_mutex); 95 bge_log_data.who = bgep->ifname; 96 bge_log_data.fmt = "!%s: %s"; 97 bge_log_data.level = CE_WARN; 98 99 va_start(args, fmt); 100 bge_vprt(fmt, args); 101 va_end(args); 102 103 mutex_exit(bge_log_mutex); 104 } 105 106 /* 107 * Log a programming error (CE_WARN, log only) 108 */ 109 void 110 bge_error(bge_t *bgep, const char *fmt, ...) 111 { 112 va_list args; 113 114 mutex_enter(bge_log_mutex); 115 bge_log_data.who = bgep->ifname; 116 bge_log_data.fmt = "!%s: %s"; 117 bge_log_data.level = CE_WARN; 118 119 va_start(args, fmt); 120 bge_vprt(fmt, args); 121 va_end(args); 122 123 mutex_exit(bge_log_mutex); 124 } 125 126 void 127 bge_fm_ereport(bge_t *bgep, char *detail) 128 { 129 uint64_t ena; 130 char buf[FM_MAX_CLASS]; 131 132 (void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail); 133 ena = fm_ena_generate(0, FM_ENA_FMT1); 134 if (DDI_FM_EREPORT_CAP(bgep->fm_capabilities)) { 135 ddi_fm_ereport_post(bgep->devinfo, buf, ena, DDI_NOSLEEP, 136 FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERS0, NULL); 137 } 138 } 139 140 #if BGE_DEBUGGING 141 142 static void 143 bge_prt(const char *fmt, ...) 144 { 145 va_list args; 146 147 ASSERT(mutex_owned(bge_log_mutex)); 148 149 va_start(args, fmt); 150 bge_vprt(fmt, args); 151 va_end(args); 152 153 mutex_exit(bge_log_mutex); 154 } 155 156 void 157 (*bge_gdb(void))(const char *fmt, ...) 158 { 159 mutex_enter(bge_log_mutex); 160 bge_log_data.who = "bge"; 161 bge_log_data.fmt = "?%s: %s\n"; 162 bge_log_data.level = CE_CONT; 163 164 return (bge_prt); 165 } 166 167 void 168 (*bge_db(bge_t *bgep))(const char *fmt, ...) 169 { 170 mutex_enter(bge_log_mutex); 171 bge_log_data.who = bgep->ifname; 172 bge_log_data.fmt = "?%s: %s\n"; 173 bge_log_data.level = CE_CONT; 174 175 return (bge_prt); 176 } 177 178 /* 179 * Dump a chunk of memory, 16 bytes at a time 180 */ 181 static void 182 minidump(bge_t *bgep, const char *caption, void *dp, uint_t len) 183 { 184 uint32_t buf[4]; 185 uint32_t nbytes; 186 187 bge_log(bgep, "%d bytes of %s at address %p:-", len, caption, dp); 188 189 for (len = MIN(len, BGE_STD_BUFF_SIZE); len != 0; len -= nbytes) { 190 nbytes = MIN(len, sizeof (buf)); 191 bzero(buf, sizeof (buf)); 192 bcopy(dp, buf, nbytes); 193 bge_log(bgep, "%08x %08x %08x %08x", 194 buf[0], buf[1], buf[2], buf[3]); 195 dp = (caddr_t)dp + nbytes; 196 } 197 } 198 199 void 200 bge_pkt_dump(bge_t *bgep, bge_rbd_t *hrbdp, sw_rbd_t *srbdp, const char *msg) 201 { 202 bge_problem(bgep, "driver-detected hardware error: %s", msg); 203 204 minidump(bgep, "hardware descriptor", hrbdp, sizeof (*hrbdp)); 205 206 bge_log(bgep, "PCI address %llx packet len 0x%x token 0x%x " 207 "flags 0x%x index 0x%x", 208 hrbdp->host_buf_addr, 209 hrbdp->len, 210 hrbdp->opaque, 211 hrbdp->flags, 212 hrbdp->index); 213 214 if (srbdp != NULL) { 215 minidump(bgep, "software descriptor", srbdp, sizeof (*srbdp)); 216 217 bge_log(bgep, "PCI address %llx buffer len 0x%x token 0x%x", 218 srbdp->pbuf.cookie.dmac_laddress, 219 srbdp->pbuf.alength, 220 srbdp->pbuf.token); 221 222 minidump(bgep, "packet data", srbdp->pbuf.mem_va, hrbdp->len); 223 } 224 } 225 226 void 227 bge_dbg_enter(bge_t *bgep, const char *s) 228 { 229 uint32_t debug; 230 231 debug = bgep != NULL ? bgep->debug : bge_debug; 232 if (debug & BGE_DBG_STOP) { 233 cmn_err(CE_CONT, "bge_dbg_enter(%p): %s\n", (void *)bgep, s); 234 debug_enter(""); 235 } 236 } 237 238 #endif /* BGE_DEBUGGING */ 239