1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2007-2014 QLogic Corporation. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include "bxe.h" 33 34 #include "ddb/ddb.h" 35 #include "ddb/db_sym.h" 36 #include "ddb/db_lex.h" 37 38 #ifdef BXE_REG_NO_INLINE 39 40 /* 41 * Debug versions of the 8/16/32 bit OS register read/write functions to 42 * capture/display values read/written from/to the controller. 43 */ 44 45 void 46 bxe_reg_write8(struct bxe_softc *sc, bus_size_t offset, uint8_t val) 47 { 48 BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%02x\n", offset, val); 49 bus_space_write_1(sc->bar[BAR0].tag, 50 sc->bar[BAR0].handle, 51 offset, 52 val); 53 } 54 55 void 56 bxe_reg_write16(struct bxe_softc *sc, bus_size_t offset, uint16_t val) 57 { 58 if ((offset % 2) != 0) { 59 BLOGD(sc, DBG_REGS, "Unaligned 16-bit write to 0x%08lx\n", offset); 60 } 61 62 BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%04x\n", offset, val); 63 bus_space_write_2(sc->bar[BAR0].tag, 64 sc->bar[BAR0].handle, 65 offset, 66 val); 67 } 68 69 void 70 bxe_reg_write32(struct bxe_softc *sc, bus_size_t offset, uint32_t val) 71 { 72 if ((offset % 4) != 0) { 73 BLOGD(sc, DBG_REGS, "Unaligned 32-bit write to 0x%08lx\n", offset); 74 } 75 76 BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val); 77 bus_space_write_4(sc->bar[BAR0].tag, 78 sc->bar[BAR0].handle, 79 offset, 80 val); 81 } 82 83 uint8_t 84 bxe_reg_read8(struct bxe_softc *sc, bus_size_t offset) 85 { 86 uint8_t val; 87 88 val = bus_space_read_1(sc->bar[BAR0].tag, 89 sc->bar[BAR0].handle, 90 offset); 91 BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%02x\n", offset, val); 92 93 return (val); 94 } 95 96 uint16_t 97 bxe_reg_read16(struct bxe_softc *sc, bus_size_t offset) 98 { 99 uint16_t val; 100 101 if ((offset % 2) != 0) { 102 BLOGD(sc, DBG_REGS, "Unaligned 16-bit read from 0x%08lx\n", offset); 103 } 104 105 val = bus_space_read_2(sc->bar[BAR0].tag, 106 sc->bar[BAR0].handle, 107 offset); 108 BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val); 109 110 return (val); 111 } 112 113 uint32_t 114 bxe_reg_read32(struct bxe_softc *sc, bus_size_t offset) 115 { 116 uint32_t val; 117 118 if ((offset % 4) != 0) { 119 BLOGD(sc, DBG_REGS, "Unaligned 32-bit read from 0x%08lx\n", offset); 120 } 121 122 val = bus_space_read_4(sc->bar[BAR0].tag, 123 sc->bar[BAR0].handle, 124 offset); 125 BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val); 126 127 return (val); 128 } 129 130 #endif /* BXE_REG_NO_INLINE */ 131 132 #ifdef ELINK_DEBUG 133 134 void 135 elink_cb_dbg(struct bxe_softc *sc, 136 char *fmt) 137 { 138 char buf[128]; 139 if (__predict_false(sc->debug & DBG_PHY)) { 140 snprintf(buf, sizeof(buf), "ELINK: %s", fmt); 141 device_printf(sc->dev, "%s", buf); 142 } 143 } 144 145 void 146 elink_cb_dbg1(struct bxe_softc *sc, 147 char *fmt, 148 uint32_t arg1) 149 { 150 char tmp[128], buf[128]; 151 if (__predict_false(sc->debug & DBG_PHY)) { 152 snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt); 153 snprintf(buf, sizeof(buf), tmp, arg1); 154 device_printf(sc->dev, "%s", buf); 155 } 156 } 157 158 void 159 elink_cb_dbg2(struct bxe_softc *sc, 160 char *fmt, 161 uint32_t arg1, 162 uint32_t arg2) 163 { 164 char tmp[128], buf[128]; 165 if (__predict_false(sc->debug & DBG_PHY)) { 166 snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt); 167 snprintf(buf, sizeof(buf), tmp, arg1, arg2); 168 device_printf(sc->dev, "%s", buf); 169 } 170 } 171 172 void 173 elink_cb_dbg3(struct bxe_softc *sc, 174 char *fmt, 175 uint32_t arg1, 176 uint32_t arg2, 177 uint32_t arg3) 178 { 179 char tmp[128], buf[128]; 180 if (__predict_false(sc->debug & DBG_PHY)) { 181 snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt); 182 snprintf(buf, sizeof(buf), tmp, arg1, arg2, arg3); 183 device_printf(sc->dev, "%s", buf); 184 } 185 } 186 187 #endif /* ELINK_DEBUG */ 188 189 extern struct mtx bxe_prev_mtx; 190 191 void 192 bxe_dump_mem(struct bxe_softc *sc, 193 char *tag, 194 uint8_t *mem, 195 uint32_t len) 196 { 197 char buf[256]; 198 char c[32]; 199 int xx; 200 201 mtx_lock(&bxe_prev_mtx); 202 203 BLOGI(sc, "++++++++++++ %s\n", tag); 204 strcpy(buf, "** 000: "); 205 206 for (xx = 0; xx < len; xx++) 207 { 208 if ((xx != 0) && (xx % 16 == 0)) 209 { 210 BLOGI(sc, "%s\n", buf); 211 strcpy(buf, "** "); 212 snprintf(c, sizeof(c), "%03x", xx); 213 strcat(buf, c); 214 strcat(buf, ": "); 215 } 216 217 snprintf(c, sizeof(c), "%02x ", *mem); 218 strcat(buf, c); 219 220 mem++; 221 } 222 223 BLOGI(sc, "%s\n", buf); 224 BLOGI(sc, "------------ %s\n", tag); 225 226 mtx_unlock(&bxe_prev_mtx); 227 } 228 229 void 230 bxe_dump_mbuf_data(struct bxe_softc *sc, 231 char *tag, 232 struct mbuf *m, 233 uint8_t contents) 234 { 235 char buf[256]; 236 char c[32]; 237 uint8_t *memp; 238 int i, xx = 0; 239 240 mtx_lock(&bxe_prev_mtx); 241 242 BLOGI(sc, "++++++++++++ %s\n", tag); 243 244 while (m) 245 { 246 memp = m->m_data; 247 strcpy(buf, "** > "); 248 snprintf(c, sizeof(c), "%03x", xx); 249 strcat(buf, c); 250 strcat(buf, ": "); 251 252 if (contents) 253 { 254 for (i = 0; i < m->m_len; i++) 255 { 256 if ((xx != 0) && (xx % 16 == 0)) 257 { 258 BLOGI(sc, "%s\n", buf); 259 strcpy(buf, "** "); 260 snprintf(c, sizeof(c), "%03x", xx); 261 strcat(buf, c); 262 strcat(buf, ": "); 263 } 264 265 snprintf(c, sizeof(c), "%02x ", *memp); 266 strcat(buf, c); 267 268 memp++; 269 xx++; 270 } 271 } 272 else 273 { 274 snprintf(c, sizeof(c), "%d", m->m_len); 275 strcat(buf, c); 276 xx += m->m_len; 277 } 278 279 BLOGI(sc, "%s\n", buf); 280 m = m->m_next; 281 } 282 283 BLOGI(sc, "------------ %s\n", tag); 284 285 mtx_unlock(&bxe_prev_mtx); 286 } 287 288 #ifdef DDB 289 290 static void bxe_ddb_usage() 291 { 292 db_printf("Usage: bxe[/hpv] <instance> [<address>]\n"); 293 } 294 295 static db_cmdfcn_t bxe_ddb; 296 _DB_SET(_cmd, bxe, bxe_ddb, db_cmd_table, CS_OWN, NULL); 297 298 static void bxe_ddb(db_expr_t blah1, 299 boolean_t blah2, 300 db_expr_t blah3, 301 char *blah4) 302 { 303 char if_xname[IFNAMSIZ]; 304 if_t ifp = NULL; 305 struct bxe_softc *sc; 306 db_expr_t next_arg; 307 int index; 308 int tok; 309 int mod_phys_addr = FALSE; 310 int mod_virt_addr = FALSE; 311 db_addr_t addr; 312 313 tok = db_read_token(); 314 if (tok == tSLASH) { 315 tok = db_read_token(); 316 if (tok != tIDENT) { 317 db_printf("ERROR: bad modifier\n"); 318 bxe_ddb_usage(); 319 goto bxe_ddb_done; 320 } 321 if (strcmp(db_tok_string, "h") == 0) { 322 bxe_ddb_usage(); 323 goto bxe_ddb_done; 324 } else if (strcmp(db_tok_string, "p") == 0) { 325 mod_phys_addr = TRUE; 326 } else if (strcmp(db_tok_string, "v") == 0) { 327 mod_virt_addr = TRUE; 328 } 329 } else { 330 db_unread_token(tok); 331 } 332 333 if (!db_expression((db_expr_t *)&index)) { 334 db_printf("ERROR: bxe index missing\n"); 335 bxe_ddb_usage(); 336 goto bxe_ddb_done; 337 } 338 339 snprintf(if_xname, sizeof(if_xname), "bxe%d", index); 340 if ((ifp = ifunit_ref(if_xname)) == NULL) /* XXX */ 341 { 342 db_printf("ERROR: Invalid interface %s\n", if_xname); 343 goto bxe_ddb_done; 344 } 345 346 sc = (struct bxe_softc *)if_getsoftc(ifp); 347 db_printf("ifnet=%p (%s)\n", ifp, if_xname); 348 db_printf("softc=%p\n", sc); 349 db_printf(" dev=%p\n", sc->dev); 350 db_printf(" BDF=%d:%d:%d\n", 351 sc->pcie_bus, sc->pcie_device, sc->pcie_func); 352 353 if (mod_phys_addr || mod_virt_addr) { 354 if (!db_expression((db_addr_t *)&addr)) { 355 db_printf("ERROR: Invalid address\n"); 356 bxe_ddb_usage(); 357 goto bxe_ddb_done; 358 } 359 360 db_printf("addr=%p", addr); 361 } 362 363 bxe_ddb_done: 364 365 db_flush_lex(); 366 if (ifp) if_rele(ifp); 367 } 368 369 #endif /* DDB */ 370 371