Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/isp/isp_pci.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2020 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2008 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 /* 30 * PCI specific probe and attach routines for Qlogic ISP SCSI adapters. 31 * FreeBSD Version. 32 */ 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/module.h> 40 #include <sys/linker.h> 41 #include <sys/firmware.h> 42 #include <sys/bus.h> 43 #include <sys/stdint.h> 44 #include <dev/pci/pcireg.h> 45 #include <dev/pci/pcivar.h> 46 #include <machine/bus.h> 47 #include <machine/resource.h> 48 #include <sys/rman.h> 49 #include <sys/malloc.h> 50 #include <sys/uio.h> 51 #include <dev/isp/isp_freebsd.h> 52 53 static uint32_t isp_pci_rd_reg_2400(ispsoftc_t *, int); 54 static void isp_pci_wr_reg_2400(ispsoftc_t *, int, uint32_t); 55 static uint32_t isp_pci_rd_reg_2600(ispsoftc_t *, int); 56 static void isp_pci_wr_reg_2600(ispsoftc_t *, int, uint32_t); 57 static void isp_pci_run_isr_2400(ispsoftc_t *); 58 static int isp_pci_mbxdma(ispsoftc_t *); 59 static void isp_pci_mbxdmafree(ispsoftc_t *); 60 static int isp_pci_irqsetup(ispsoftc_t *); 61 62 static struct ispmdvec mdvec_2400 = { 63 isp_pci_run_isr_2400, 64 isp_pci_rd_reg_2400, 65 isp_pci_wr_reg_2400, 66 isp_pci_mbxdma, 67 isp_send_cmd, 68 isp_pci_irqsetup, 69 NULL 70 }; 71 72 static struct ispmdvec mdvec_2500 = { 73 isp_pci_run_isr_2400, 74 isp_pci_rd_reg_2400, 75 isp_pci_wr_reg_2400, 76 isp_pci_mbxdma, 77 isp_send_cmd, 78 isp_pci_irqsetup, 79 NULL 80 }; 81 82 static struct ispmdvec mdvec_2600 = { 83 isp_pci_run_isr_2400, 84 isp_pci_rd_reg_2600, 85 isp_pci_wr_reg_2600, 86 isp_pci_mbxdma, 87 isp_send_cmd, 88 isp_pci_irqsetup, 89 NULL 90 }; 91 92 static struct ispmdvec mdvec_2700 = { 93 isp_pci_run_isr_2400, 94 isp_pci_rd_reg_2600, 95 isp_pci_wr_reg_2600, 96 isp_pci_mbxdma, 97 isp_send_cmd, 98 isp_pci_irqsetup, 99 NULL 100 }; 101 102 #ifndef PCIM_CMD_INVEN 103 #define PCIM_CMD_INVEN 0x10 104 #endif 105 #ifndef PCIM_CMD_BUSMASTEREN 106 #define PCIM_CMD_BUSMASTEREN 0x0004 107 #endif 108 #ifndef PCIM_CMD_PERRESPEN 109 #define PCIM_CMD_PERRESPEN 0x0040 110 #endif 111 #ifndef PCIM_CMD_SEREN 112 #define PCIM_CMD_SEREN 0x0100 113 #endif 114 #ifndef PCIM_CMD_INTX_DISABLE 115 #define PCIM_CMD_INTX_DISABLE 0x0400 116 #endif 117 118 #ifndef PCIR_COMMAND 119 #define PCIR_COMMAND 0x04 120 #endif 121 122 #ifndef PCIR_CACHELNSZ 123 #define PCIR_CACHELNSZ 0x0c 124 #endif 125 126 #ifndef PCIR_LATTIMER 127 #define PCIR_LATTIMER 0x0d 128 #endif 129 130 #ifndef PCIR_ROMADDR 131 #define PCIR_ROMADDR 0x30 132 #endif 133 134 #define PCI_VENDOR_QLOGIC 0x1077 135 136 #define PCI_PRODUCT_QLOGIC_ISP2422 0x2422 137 #define PCI_PRODUCT_QLOGIC_ISP2432 0x2432 138 #define PCI_PRODUCT_QLOGIC_ISP2532 0x2532 139 #define PCI_PRODUCT_QLOGIC_ISP5432 0x5432 140 #define PCI_PRODUCT_QLOGIC_ISP2031 0x2031 141 #define PCI_PRODUCT_QLOGIC_ISP8031 0x8031 142 #define PCI_PRODUCT_QLOGIC_ISP2684 0x2171 143 #define PCI_PRODUCT_QLOGIC_ISP2692 0x2b61 144 #define PCI_PRODUCT_QLOGIC_ISP2714 0x2071 145 #define PCI_PRODUCT_QLOGIC_ISP2722 0x2261 146 147 #define PCI_QLOGIC_ISP2422 \ 148 ((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC) 149 #define PCI_QLOGIC_ISP2432 \ 150 ((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC) 151 #define PCI_QLOGIC_ISP2532 \ 152 ((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC) 153 #define PCI_QLOGIC_ISP5432 \ 154 ((PCI_PRODUCT_QLOGIC_ISP5432 << 16) | PCI_VENDOR_QLOGIC) 155 #define PCI_QLOGIC_ISP2031 \ 156 ((PCI_PRODUCT_QLOGIC_ISP2031 << 16) | PCI_VENDOR_QLOGIC) 157 #define PCI_QLOGIC_ISP8031 \ 158 ((PCI_PRODUCT_QLOGIC_ISP8031 << 16) | PCI_VENDOR_QLOGIC) 159 #define PCI_QLOGIC_ISP2684 \ 160 ((PCI_PRODUCT_QLOGIC_ISP2684 << 16) | PCI_VENDOR_QLOGIC) 161 #define PCI_QLOGIC_ISP2692 \ 162 ((PCI_PRODUCT_QLOGIC_ISP2692 << 16) | PCI_VENDOR_QLOGIC) 163 #define PCI_QLOGIC_ISP2714 \ 164 ((PCI_PRODUCT_QLOGIC_ISP2714 << 16) | PCI_VENDOR_QLOGIC) 165 #define PCI_QLOGIC_ISP2722 \ 166 ((PCI_PRODUCT_QLOGIC_ISP2722 << 16) | PCI_VENDOR_QLOGIC) 167 168 #define PCI_DFLT_LTNCY 0x40 169 #define PCI_DFLT_LNSZ 0x10 170 171 static int isp_pci_probe (device_t); 172 static int isp_pci_attach (device_t); 173 static int isp_pci_detach (device_t); 174 175 176 struct isp_pcisoftc { 177 ispsoftc_t pci_isp; 178 struct resource * regs; 179 struct resource * regs1; 180 struct resource * regs2; 181 struct { 182 int iqd; 183 struct resource * irq; 184 void * ih; 185 } irq[ISP_MAX_IRQS]; 186 int rtp; 187 int rgd; 188 int rtp1; 189 int rgd1; 190 int rtp2; 191 int rgd2; 192 bus_dma_tag_t dmat; 193 int msicount; 194 }; 195 196 197 static device_method_t isp_pci_methods[] = { 198 /* Device interface */ 199 DEVMETHOD(device_probe, isp_pci_probe), 200 DEVMETHOD(device_attach, isp_pci_attach), 201 DEVMETHOD(device_detach, isp_pci_detach), 202 { 0, 0 } 203 }; 204 205 static driver_t isp_pci_driver = { 206 "isp", isp_pci_methods, sizeof (struct isp_pcisoftc) 207 }; 208 209 DRIVER_MODULE(isp, pci, isp_pci_driver, 0, 0); 210 MODULE_DEPEND(isp, cam, 1, 1, 1); 211 MODULE_DEPEND(isp, firmware, 1, 1, 1); 212 static int isp_nvports = 0; 213 214 static int 215 isp_pci_probe(device_t dev) 216 { 217 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) { 218 case PCI_QLOGIC_ISP2422: 219 device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter"); 220 break; 221 case PCI_QLOGIC_ISP2432: 222 device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter"); 223 break; 224 case PCI_QLOGIC_ISP2532: 225 device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter"); 226 break; 227 case PCI_QLOGIC_ISP5432: 228 device_set_desc(dev, "Qlogic ISP 5432 PCI FC-AL Adapter"); 229 break; 230 case PCI_QLOGIC_ISP2031: 231 device_set_desc(dev, "Qlogic ISP 2031 PCI FC-AL Adapter"); 232 break; 233 case PCI_QLOGIC_ISP8031: 234 device_set_desc(dev, "Qlogic ISP 8031 PCI FCoE Adapter"); 235 break; 236 case PCI_QLOGIC_ISP2684: 237 device_set_desc(dev, "Qlogic ISP 2684 PCI FC Adapter"); 238 break; 239 case PCI_QLOGIC_ISP2692: 240 device_set_desc(dev, "Qlogic ISP 2692 PCI FC Adapter"); 241 break; 242 case PCI_QLOGIC_ISP2714: 243 device_set_desc(dev, "Qlogic ISP 2714 PCI FC Adapter"); 244 break; 245 case PCI_QLOGIC_ISP2722: 246 device_set_desc(dev, "Qlogic ISP 2722 PCI FC Adapter"); 247 break; 248 default: 249 return (ENXIO); 250 } 251 if (isp_announced == 0 && bootverbose) { 252 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, " 253 "Core Version %d.%d\n", 254 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR, 255 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR); 256 isp_announced++; 257 } 258 /* 259 * XXXX: Here is where we might load the f/w module 260 * XXXX: (or increase a reference count to it). 261 */ 262 return (BUS_PROBE_DEFAULT); 263 } 264 265 static void 266 isp_get_generic_options(device_t dev, ispsoftc_t *isp) 267 { 268 int tval; 269 270 tval = 0; 271 if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) { 272 isp->isp_confopts |= ISP_CFG_NORELOAD; 273 } 274 tval = 0; 275 if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) { 276 isp->isp_confopts |= ISP_CFG_NONVRAM; 277 } 278 tval = 0; 279 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval); 280 if (tval) { 281 isp->isp_dblev = tval; 282 } else { 283 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR; 284 } 285 if (bootverbose) { 286 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO; 287 } 288 tval = -1; 289 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval); 290 if (tval > 0 && tval <= 254) { 291 isp_nvports = tval; 292 } 293 tval = 7; 294 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval); 295 isp_quickboot_time = tval; 296 } 297 298 static void 299 isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp) 300 { 301 const char *sptr; 302 int tval = 0; 303 char prefix[12], name[16]; 304 305 if (chan == 0) 306 prefix[0] = 0; 307 else 308 snprintf(prefix, sizeof(prefix), "chan%d.", chan); 309 snprintf(name, sizeof(name), "%siid", prefix); 310 if (resource_int_value(device_get_name(dev), device_get_unit(dev), 311 name, &tval)) { 312 ISP_FC_PC(isp, chan)->default_id = 109 - chan; 313 } else { 314 ISP_FC_PC(isp, chan)->default_id = tval - chan; 315 isp->isp_confopts |= ISP_CFG_OWNLOOPID; 316 } 317 318 tval = -1; 319 snprintf(name, sizeof(name), "%srole", prefix); 320 if (resource_int_value(device_get_name(dev), device_get_unit(dev), 321 name, &tval) == 0) { 322 switch (tval) { 323 case ISP_ROLE_NONE: 324 case ISP_ROLE_INITIATOR: 325 case ISP_ROLE_TARGET: 326 case ISP_ROLE_BOTH: 327 device_printf(dev, "Chan %d setting role to 0x%x\n", chan, tval); 328 break; 329 default: 330 tval = -1; 331 break; 332 } 333 } 334 if (tval == -1) { 335 tval = ISP_DEFAULT_ROLES; 336 } 337 ISP_FC_PC(isp, chan)->def_role = tval; 338 339 tval = 0; 340 snprintf(name, sizeof(name), "%sfullduplex", prefix); 341 if (resource_int_value(device_get_name(dev), device_get_unit(dev), 342 name, &tval) == 0 && tval != 0) { 343 isp->isp_confopts |= ISP_CFG_FULL_DUPLEX; 344 } 345 sptr = NULL; 346 snprintf(name, sizeof(name), "%stopology", prefix); 347 if (resource_string_value(device_get_name(dev), device_get_unit(dev), 348 name, (const char **) &sptr) == 0 && sptr != NULL) { 349 if (strcmp(sptr, "lport") == 0) { 350 isp->isp_confopts |= ISP_CFG_LPORT; 351 } else if (strcmp(sptr, "nport") == 0) { 352 isp->isp_confopts |= ISP_CFG_NPORT; 353 } else if (strcmp(sptr, "lport-only") == 0) { 354 isp->isp_confopts |= ISP_CFG_LPORT_ONLY; 355 } else if (strcmp(sptr, "nport-only") == 0) { 356 isp->isp_confopts |= ISP_CFG_NPORT_ONLY; 357 } 358 } 359 360 #ifdef ISP_FCTAPE_OFF 361 isp->isp_confopts |= ISP_CFG_NOFCTAPE; 362 #else 363 isp->isp_confopts |= ISP_CFG_FCTAPE; 364 #endif 365 366 tval = 0; 367 snprintf(name, sizeof(name), "%snofctape", prefix); 368 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 369 name, &tval); 370 if (tval) { 371 isp->isp_confopts &= ~ISP_CFG_FCTAPE; 372 isp->isp_confopts |= ISP_CFG_NOFCTAPE; 373 } 374 375 tval = 0; 376 snprintf(name, sizeof(name), "%sfctape", prefix); 377 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 378 name, &tval); 379 if (tval) { 380 isp->isp_confopts &= ~ISP_CFG_NOFCTAPE; 381 isp->isp_confopts |= ISP_CFG_FCTAPE; 382 } 383 384 385 /* 386 * Because the resource_*_value functions can neither return 387 * 64 bit integer values, nor can they be directly coerced 388 * to interpret the right hand side of the assignment as 389 * you want them to interpret it, we have to force WWN 390 * hint replacement to specify WWN strings with a leading 391 * 'w' (e..g w50000000aaaa0001). Sigh. 392 */ 393 sptr = NULL; 394 snprintf(name, sizeof(name), "%sportwwn", prefix); 395 tval = resource_string_value(device_get_name(dev), device_get_unit(dev), 396 name, (const char **) &sptr); 397 if (tval == 0 && sptr != NULL && *sptr++ == 'w') { 398 char *eptr = NULL; 399 ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16); 400 if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) { 401 device_printf(dev, "mangled portwwn hint '%s'\n", sptr); 402 ISP_FC_PC(isp, chan)->def_wwpn = 0; 403 } 404 } 405 406 sptr = NULL; 407 snprintf(name, sizeof(name), "%snodewwn", prefix); 408 tval = resource_string_value(device_get_name(dev), device_get_unit(dev), 409 name, (const char **) &sptr); 410 if (tval == 0 && sptr != NULL && *sptr++ == 'w') { 411 char *eptr = NULL; 412 ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16); 413 if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) { 414 device_printf(dev, "mangled nodewwn hint '%s'\n", sptr); 415 ISP_FC_PC(isp, chan)->def_wwnn = 0; 416 } 417 } 418 419 tval = -1; 420 snprintf(name, sizeof(name), "%sloop_down_limit", prefix); 421 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 422 name, &tval); 423 if (tval >= 0 && tval < 0xffff) { 424 ISP_FC_PC(isp, chan)->loop_down_limit = tval; 425 } else { 426 ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit; 427 } 428 429 tval = -1; 430 snprintf(name, sizeof(name), "%sgone_device_time", prefix); 431 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 432 name, &tval); 433 if (tval >= 0 && tval < 0xffff) { 434 ISP_FC_PC(isp, chan)->gone_device_time = tval; 435 } else { 436 ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time; 437 } 438 } 439 440 static int 441 isp_pci_attach(device_t dev) 442 { 443 struct isp_pcisoftc *pcs = device_get_softc(dev); 444 ispsoftc_t *isp = &pcs->pci_isp; 445 int i; 446 uint32_t data, cmd, linesz, did; 447 size_t psize, xsize; 448 char fwname[32]; 449 450 isp->isp_dev = dev; 451 isp->isp_nchan = 1; 452 mtx_init(&isp->isp_lock, "isp", NULL, MTX_DEF); 453 454 /* 455 * Get Generic Options 456 */ 457 isp_nvports = 0; 458 isp_get_generic_options(dev, isp); 459 460 linesz = PCI_DFLT_LNSZ; 461 pcs->regs = pcs->regs2 = NULL; 462 pcs->rgd = pcs->rtp = 0; 463 464 isp->isp_nchan += isp_nvports; 465 switch (pci_get_devid(dev)) { 466 case PCI_QLOGIC_ISP2422: 467 case PCI_QLOGIC_ISP2432: 468 did = 0x2400; 469 isp->isp_mdvec = &mdvec_2400; 470 isp->isp_type = ISP_HA_FC_2400; 471 break; 472 case PCI_QLOGIC_ISP2532: 473 did = 0x2500; 474 isp->isp_mdvec = &mdvec_2500; 475 isp->isp_type = ISP_HA_FC_2500; 476 break; 477 case PCI_QLOGIC_ISP5432: 478 did = 0x2500; 479 isp->isp_mdvec = &mdvec_2500; 480 isp->isp_type = ISP_HA_FC_2500; 481 break; 482 case PCI_QLOGIC_ISP2031: 483 case PCI_QLOGIC_ISP8031: 484 did = 0x2600; 485 isp->isp_mdvec = &mdvec_2600; 486 isp->isp_type = ISP_HA_FC_2600; 487 break; 488 case PCI_QLOGIC_ISP2684: 489 case PCI_QLOGIC_ISP2692: 490 case PCI_QLOGIC_ISP2714: 491 case PCI_QLOGIC_ISP2722: 492 did = 0x2700; 493 isp->isp_mdvec = &mdvec_2700; 494 isp->isp_type = ISP_HA_FC_2700; 495 break; 496 default: 497 device_printf(dev, "unknown device type\n"); 498 goto bad; 499 break; 500 } 501 isp->isp_revision = pci_get_revid(dev); 502 503 if (IS_26XX(isp)) { 504 pcs->rtp = SYS_RES_MEMORY; 505 pcs->rgd = PCIR_BAR(0); 506 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, 507 RF_ACTIVE); 508 pcs->rtp1 = SYS_RES_MEMORY; 509 pcs->rgd1 = PCIR_BAR(2); 510 pcs->regs1 = bus_alloc_resource_any(dev, pcs->rtp1, &pcs->rgd1, 511 RF_ACTIVE); 512 pcs->rtp2 = SYS_RES_MEMORY; 513 pcs->rgd2 = PCIR_BAR(4); 514 pcs->regs2 = bus_alloc_resource_any(dev, pcs->rtp2, &pcs->rgd2, 515 RF_ACTIVE); 516 } else { 517 pcs->rtp = SYS_RES_MEMORY; 518 pcs->rgd = PCIR_BAR(1); 519 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, 520 RF_ACTIVE); 521 if (pcs->regs == NULL) { 522 pcs->rtp = SYS_RES_IOPORT; 523 pcs->rgd = PCIR_BAR(0); 524 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, 525 &pcs->rgd, RF_ACTIVE); 526 } 527 } 528 if (pcs->regs == NULL) { 529 device_printf(dev, "Unable to map any ports\n"); 530 goto bad; 531 } 532 if (bootverbose) { 533 device_printf(dev, "Using %s space register mapping\n", 534 (pcs->rtp == SYS_RES_IOPORT)? "I/O" : "Memory"); 535 } 536 isp->isp_regs = pcs->regs; 537 isp->isp_regs2 = pcs->regs2; 538 539 psize = sizeof(fcparam) * isp->isp_nchan; 540 xsize = sizeof(struct isp_fc) * isp->isp_nchan; 541 isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO); 542 if (isp->isp_param == NULL) { 543 device_printf(dev, "cannot allocate parameter data\n"); 544 goto bad; 545 } 546 isp->isp_osinfo.fc = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO); 547 if (isp->isp_osinfo.fc == NULL) { 548 device_printf(dev, "cannot allocate parameter data\n"); 549 goto bad; 550 } 551 552 /* 553 * Now that we know who we are (roughly) get/set specific options 554 */ 555 for (i = 0; i < isp->isp_nchan; i++) { 556 isp_get_specific_options(dev, i, isp); 557 } 558 559 isp->isp_osinfo.fw = NULL; 560 if (isp->isp_osinfo.fw == NULL) { 561 snprintf(fwname, sizeof (fwname), "isp_%04x", did); 562 isp->isp_osinfo.fw = firmware_get(fwname); 563 } 564 if (isp->isp_osinfo.fw != NULL) { 565 isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname); 566 isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data; 567 } 568 569 /* 570 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set. 571 */ 572 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 573 cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN; 574 cmd &= ~PCIM_CMD_INTX_DISABLE; 575 pci_write_config(dev, PCIR_COMMAND, cmd, 2); 576 577 /* 578 * Make sure the Cache Line Size register is set sensibly. 579 */ 580 data = pci_read_config(dev, PCIR_CACHELNSZ, 1); 581 if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) { 582 isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data); 583 data = linesz; 584 pci_write_config(dev, PCIR_CACHELNSZ, data, 1); 585 } 586 587 /* 588 * Make sure the Latency Timer is sane. 589 */ 590 data = pci_read_config(dev, PCIR_LATTIMER, 1); 591 if (data < PCI_DFLT_LTNCY) { 592 data = PCI_DFLT_LTNCY; 593 isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data); 594 pci_write_config(dev, PCIR_LATTIMER, data, 1); 595 } 596 597 /* 598 * Make sure we've disabled the ROM. 599 */ 600 data = pci_read_config(dev, PCIR_ROMADDR, 4); 601 data &= ~1; 602 pci_write_config(dev, PCIR_ROMADDR, data, 4); 603 604 /* 605 * Last minute checks... 606 */ 607 isp->isp_port = pci_get_function(dev); 608 609 /* 610 * Make sure we're in reset state. 611 */ 612 ISP_LOCK(isp); 613 if (isp_reinit(isp, 1) != 0) { 614 ISP_UNLOCK(isp); 615 goto bad; 616 } 617 ISP_UNLOCK(isp); 618 if (isp_attach(isp)) { 619 ISP_LOCK(isp); 620 isp_shutdown(isp); 621 ISP_UNLOCK(isp); 622 goto bad; 623 } 624 return (0); 625 626 bad: 627 if (isp->isp_osinfo.fw == NULL && !IS_26XX(isp)) { 628 /* 629 * Failure to attach at boot time might have been caused 630 * by a missing ispfw(4). Except for 16Gb adapters, 631 * there's no loadable firmware for them. 632 */ 633 isp_prt(isp, ISP_LOGWARN, "See the ispfw(4) man page on " 634 "how to load known good firmware at boot time"); 635 } 636 for (i = 0; i < isp->isp_nirq; i++) { 637 (void) bus_teardown_intr(dev, pcs->irq[i].irq, pcs->irq[i].ih); 638 (void) bus_release_resource(dev, SYS_RES_IRQ, pcs->irq[i].iqd, 639 pcs->irq[0].irq); 640 } 641 if (pcs->msicount) { 642 pci_release_msi(dev); 643 } 644 if (pcs->regs) 645 (void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs); 646 if (pcs->regs1) 647 (void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1); 648 if (pcs->regs2) 649 (void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2); 650 if (pcs->pci_isp.isp_param) { 651 free(pcs->pci_isp.isp_param, M_DEVBUF); 652 pcs->pci_isp.isp_param = NULL; 653 } 654 if (pcs->pci_isp.isp_osinfo.fc) { 655 free(pcs->pci_isp.isp_osinfo.fc, M_DEVBUF); 656 pcs->pci_isp.isp_osinfo.fc = NULL; 657 } 658 mtx_destroy(&isp->isp_lock); 659 return (ENXIO); 660 } 661 662 static int 663 isp_pci_detach(device_t dev) 664 { 665 struct isp_pcisoftc *pcs = device_get_softc(dev); 666 ispsoftc_t *isp = &pcs->pci_isp; 667 int i, status; 668 669 status = isp_detach(isp); 670 if (status) 671 return (status); 672 ISP_LOCK(isp); 673 isp_shutdown(isp); 674 ISP_UNLOCK(isp); 675 for (i = 0; i < isp->isp_nirq; i++) { 676 (void) bus_teardown_intr(dev, pcs->irq[i].irq, pcs->irq[i].ih); 677 (void) bus_release_resource(dev, SYS_RES_IRQ, pcs->irq[i].iqd, 678 pcs->irq[i].irq); 679 } 680 if (pcs->msicount) 681 pci_release_msi(dev); 682 (void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs); 683 if (pcs->regs1) 684 (void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1); 685 if (pcs->regs2) 686 (void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2); 687 isp_pci_mbxdmafree(isp); 688 if (pcs->pci_isp.isp_param) { 689 free(pcs->pci_isp.isp_param, M_DEVBUF); 690 pcs->pci_isp.isp_param = NULL; 691 } 692 if (pcs->pci_isp.isp_osinfo.fc) { 693 free(pcs->pci_isp.isp_osinfo.fc, M_DEVBUF); 694 pcs->pci_isp.isp_osinfo.fc = NULL; 695 } 696 mtx_destroy(&isp->isp_lock); 697 return (0); 698 } 699 700 #define BXR2(isp, off) bus_read_2((isp)->isp_regs, (off)) 701 #define BXW2(isp, off, v) bus_write_2((isp)->isp_regs, (off), (v)) 702 #define BXR4(isp, off) bus_read_4((isp)->isp_regs, (off)) 703 #define BXW4(isp, off, v) bus_write_4((isp)->isp_regs, (off), (v)) 704 #define B2R4(isp, off) bus_read_4((isp)->isp_regs2, (off)) 705 #define B2W4(isp, off, v) bus_write_4((isp)->isp_regs2, (off), (v)) 706 707 static void 708 isp_pci_run_isr_2400(ispsoftc_t *isp) 709 { 710 uint32_t r2hisr; 711 uint16_t isr, info; 712 713 r2hisr = BXR4(isp, BIU2400_R2HSTS); 714 isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr); 715 if ((r2hisr & BIU_R2HST_INTR) == 0) 716 return; 717 isr = r2hisr & BIU_R2HST_ISTAT_MASK; 718 info = (r2hisr >> 16); 719 switch (isr) { 720 case ISPR2HST_ROM_MBX_OK: 721 case ISPR2HST_ROM_MBX_FAIL: 722 case ISPR2HST_MBX_OK: 723 case ISPR2HST_MBX_FAIL: 724 isp_intr_mbox(isp, info); 725 break; 726 case ISPR2HST_ASYNC_EVENT: 727 isp_intr_async(isp, info); 728 break; 729 case ISPR2HST_RSPQ_UPDATE: 730 isp_intr_respq(isp); 731 break; 732 case ISPR2HST_RSPQ_UPDATE2: 733 #ifdef ISP_TARGET_MODE 734 case ISPR2HST_ATIO_RSPQ_UPDATE: 735 #endif 736 isp_intr_respq(isp); 737 /* FALLTHROUGH */ 738 #ifdef ISP_TARGET_MODE 739 case ISPR2HST_ATIO_UPDATE: 740 case ISPR2HST_ATIO_UPDATE2: 741 isp_intr_atioq(isp); 742 #endif 743 break; 744 default: 745 isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr); 746 } 747 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 748 } 749 750 static uint32_t 751 isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff) 752 { 753 int block = regoff & _BLK_REG_MASK; 754 755 switch (block) { 756 case BIU_BLOCK: 757 return (BXR4(isp, regoff)); 758 case MBOX_BLOCK: 759 return (BXR2(isp, regoff)); 760 } 761 isp_prt(isp, ISP_LOGERR, "unknown block read at 0x%x", regoff); 762 return (0xffffffff); 763 } 764 765 static void 766 isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val) 767 { 768 int block = regoff & _BLK_REG_MASK; 769 770 switch (block) { 771 case BIU_BLOCK: 772 BXW4(isp, regoff, val); 773 #ifdef MEMORYBARRIERW 774 if (regoff == BIU2400_REQINP || 775 regoff == BIU2400_RSPOUTP || 776 regoff == BIU2400_PRI_REQINP || 777 regoff == BIU2400_ATIO_RSPOUTP) 778 MEMORYBARRIERW(isp, SYNC_REG, regoff, 4, -1) 779 else 780 #endif 781 MEMORYBARRIER(isp, SYNC_REG, regoff, 4, -1); 782 return; 783 case MBOX_BLOCK: 784 BXW2(isp, regoff, val); 785 MEMORYBARRIER(isp, SYNC_REG, regoff, 2, -1); 786 return; 787 } 788 isp_prt(isp, ISP_LOGERR, "unknown block write at 0x%x", regoff); 789 } 790 791 static uint32_t 792 isp_pci_rd_reg_2600(ispsoftc_t *isp, int regoff) 793 { 794 uint32_t rv; 795 796 switch (regoff) { 797 case BIU2400_PRI_REQINP: 798 case BIU2400_PRI_REQOUTP: 799 isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x", 800 regoff); 801 rv = 0xffffffff; 802 break; 803 case BIU2400_REQINP: 804 rv = B2R4(isp, 0x00); 805 break; 806 case BIU2400_REQOUTP: 807 rv = B2R4(isp, 0x04); 808 break; 809 case BIU2400_RSPINP: 810 rv = B2R4(isp, 0x08); 811 break; 812 case BIU2400_RSPOUTP: 813 rv = B2R4(isp, 0x0c); 814 break; 815 case BIU2400_ATIO_RSPINP: 816 rv = B2R4(isp, 0x10); 817 break; 818 case BIU2400_ATIO_RSPOUTP: 819 rv = B2R4(isp, 0x14); 820 break; 821 default: 822 rv = isp_pci_rd_reg_2400(isp, regoff); 823 break; 824 } 825 return (rv); 826 } 827 828 static void 829 isp_pci_wr_reg_2600(ispsoftc_t *isp, int regoff, uint32_t val) 830 { 831 int off; 832 833 switch (regoff) { 834 case BIU2400_PRI_REQINP: 835 case BIU2400_PRI_REQOUTP: 836 isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x", 837 regoff); 838 return; 839 case BIU2400_REQINP: 840 off = 0x00; 841 break; 842 case BIU2400_REQOUTP: 843 off = 0x04; 844 break; 845 case BIU2400_RSPINP: 846 off = 0x08; 847 break; 848 case BIU2400_RSPOUTP: 849 off = 0x0c; 850 break; 851 case BIU2400_ATIO_RSPINP: 852 off = 0x10; 853 break; 854 case BIU2400_ATIO_RSPOUTP: 855 off = 0x14; 856 break; 857 default: 858 isp_pci_wr_reg_2400(isp, regoff, val); 859 return; 860 } 861 B2W4(isp, off, val); 862 } 863 864 865 struct imush { 866 bus_addr_t maddr; 867 int error; 868 }; 869 870 static void 871 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error) 872 { 873 struct imush *imushp = (struct imush *) arg; 874 875 if (!(imushp->error = error)) 876 imushp->maddr = segs[0].ds_addr; 877 } 878 879 static int 880 isp_pci_mbxdma(ispsoftc_t *isp) 881 { 882 bus_dma_tag_t ptag; 883 caddr_t base; 884 uint32_t len; 885 int i, error, cmap; 886 bus_size_t slim; /* segment size */ 887 struct imush im; 888 #ifdef ISP_TARGET_MODE 889 isp_ecmd_t *ecmd; 890 #endif 891 892 /* Already been here? If so, leave... */ 893 if (isp->isp_xflist != NULL) 894 return (0); 895 if (isp->isp_rquest != NULL && isp->isp_maxcmds == 0) 896 return (0); 897 ISP_UNLOCK(isp); 898 899 ptag = bus_get_dma_tag(isp->isp_osinfo.dev); 900 if (sizeof (bus_size_t) > 4) 901 slim = (bus_size_t) (1ULL << 32); 902 else 903 slim = (bus_size_t) (1UL << 31); 904 905 if (isp->isp_rquest != NULL) 906 goto gotmaxcmds; 907 908 /* 909 * Allocate and map the request queue. 910 */ 911 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); 912 if (bus_dma_tag_create(ptag, QENTRY_LEN, slim, 913 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 914 len, 1, len, 0, NULL, NULL, &isp->isp_osinfo.reqdmat)) { 915 isp_prt(isp, ISP_LOGERR, "cannot create request DMA tag"); 916 goto bad; 917 } 918 if (bus_dmamem_alloc(isp->isp_osinfo.reqdmat, (void **)&base, 919 BUS_DMA_COHERENT, &isp->isp_osinfo.reqmap) != 0) { 920 isp_prt(isp, ISP_LOGERR, "cannot allocate request DMA memory"); 921 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat); 922 goto bad; 923 } 924 isp->isp_rquest = base; 925 im.error = 0; 926 if (bus_dmamap_load(isp->isp_osinfo.reqdmat, isp->isp_osinfo.reqmap, 927 base, len, imc, &im, BUS_DMA_NOWAIT) || im.error) { 928 isp_prt(isp, ISP_LOGERR, "error loading request DMA map %d", im.error); 929 goto bad; 930 } 931 isp_prt(isp, ISP_LOGDEBUG0, "request area @ 0x%jx/0x%jx", 932 (uintmax_t)im.maddr, (uintmax_t)len); 933 isp->isp_rquest_dma = im.maddr; 934 935 #ifdef ISP_TARGET_MODE 936 /* 937 * Allocate region for external DMA addressable command/status structures. 938 */ 939 len = N_XCMDS * XCMD_SIZE; 940 if (bus_dma_tag_create(ptag, XCMD_SIZE, slim, 941 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 942 len, 1, len, 0, NULL, NULL, &isp->isp_osinfo.ecmd_dmat)) { 943 isp_prt(isp, ISP_LOGERR, "cannot create ECMD DMA tag"); 944 goto bad; 945 } 946 if (bus_dmamem_alloc(isp->isp_osinfo.ecmd_dmat, (void **)&base, 947 BUS_DMA_COHERENT, &isp->isp_osinfo.ecmd_map) != 0) { 948 isp_prt(isp, ISP_LOGERR, "cannot allocate ECMD DMA memory"); 949 bus_dma_tag_destroy(isp->isp_osinfo.ecmd_dmat); 950 goto bad; 951 } 952 isp->isp_osinfo.ecmd_base = (isp_ecmd_t *)base; 953 im.error = 0; 954 if (bus_dmamap_load(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, 955 base, len, imc, &im, BUS_DMA_NOWAIT) || im.error) { 956 isp_prt(isp, ISP_LOGERR, "error loading ECMD DMA map %d", im.error); 957 goto bad; 958 } 959 isp_prt(isp, ISP_LOGDEBUG0, "ecmd area @ 0x%jx/0x%jx", 960 (uintmax_t)im.maddr, (uintmax_t)len); 961 962 isp->isp_osinfo.ecmd_dma = im.maddr; 963 isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)base; 964 for (ecmd = isp->isp_osinfo.ecmd_free; 965 ecmd < &isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) { 966 if (ecmd == &isp->isp_osinfo.ecmd_free[N_XCMDS - 1]) 967 ecmd->next = NULL; 968 else 969 ecmd->next = ecmd + 1; 970 } 971 #endif 972 973 /* 974 * Allocate and map the result queue. 975 */ 976 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); 977 if (bus_dma_tag_create(ptag, QENTRY_LEN, slim, 978 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 979 len, 1, len, 0, NULL, NULL, &isp->isp_osinfo.respdmat)) { 980 isp_prt(isp, ISP_LOGERR, "cannot create response DMA tag"); 981 goto bad; 982 } 983 if (bus_dmamem_alloc(isp->isp_osinfo.respdmat, (void **)&base, 984 BUS_DMA_COHERENT, &isp->isp_osinfo.respmap) != 0) { 985 isp_prt(isp, ISP_LOGERR, "cannot allocate response DMA memory"); 986 bus_dma_tag_destroy(isp->isp_osinfo.respdmat); 987 goto bad; 988 } 989 isp->isp_result = base; 990 im.error = 0; 991 if (bus_dmamap_load(isp->isp_osinfo.respdmat, isp->isp_osinfo.respmap, 992 base, len, imc, &im, BUS_DMA_NOWAIT) || im.error) { 993 isp_prt(isp, ISP_LOGERR, "error loading response DMA map %d", im.error); 994 goto bad; 995 } 996 isp_prt(isp, ISP_LOGDEBUG0, "response area @ 0x%jx/0x%jx", 997 (uintmax_t)im.maddr, (uintmax_t)len); 998 isp->isp_result_dma = im.maddr; 999 1000 #ifdef ISP_TARGET_MODE 1001 /* 1002 * Allocate and map ATIO queue. 1003 */ 1004 len = ISP_QUEUE_SIZE(ATIO_QUEUE_LEN(isp)); 1005 if (bus_dma_tag_create(ptag, QENTRY_LEN, slim, 1006 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 1007 len, 1, len, 0, NULL, NULL, &isp->isp_osinfo.atiodmat)) { 1008 isp_prt(isp, ISP_LOGERR, "cannot create ATIO DMA tag"); 1009 goto bad; 1010 } 1011 if (bus_dmamem_alloc(isp->isp_osinfo.atiodmat, (void **)&base, 1012 BUS_DMA_COHERENT, &isp->isp_osinfo.atiomap) != 0) { 1013 isp_prt(isp, ISP_LOGERR, "cannot allocate ATIO DMA memory"); 1014 bus_dma_tag_destroy(isp->isp_osinfo.atiodmat); 1015 goto bad; 1016 } 1017 isp->isp_atioq = base; 1018 im.error = 0; 1019 if (bus_dmamap_load(isp->isp_osinfo.atiodmat, isp->isp_osinfo.atiomap, 1020 base, len, imc, &im, BUS_DMA_NOWAIT) || im.error) { 1021 isp_prt(isp, ISP_LOGERR, "error loading ATIO DMA map %d", im.error); 1022 goto bad; 1023 } 1024 isp_prt(isp, ISP_LOGDEBUG0, "ATIO area @ 0x%jx/0x%jx", 1025 (uintmax_t)im.maddr, (uintmax_t)len); 1026 isp->isp_atioq_dma = im.maddr; 1027 #endif 1028 1029 if (bus_dma_tag_create(ptag, 64, slim, 1030 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 1031 2*QENTRY_LEN, 1, 2*QENTRY_LEN, 0, NULL, NULL, 1032 &isp->isp_osinfo.iocbdmat)) { 1033 goto bad; 1034 } 1035 if (bus_dmamem_alloc(isp->isp_osinfo.iocbdmat, 1036 (void **)&base, BUS_DMA_COHERENT, &isp->isp_osinfo.iocbmap) != 0) 1037 goto bad; 1038 isp->isp_iocb = base; 1039 im.error = 0; 1040 if (bus_dmamap_load(isp->isp_osinfo.iocbdmat, isp->isp_osinfo.iocbmap, 1041 base, 2*QENTRY_LEN, imc, &im, BUS_DMA_NOWAIT) || im.error) 1042 goto bad; 1043 isp->isp_iocb_dma = im.maddr; 1044 1045 if (bus_dma_tag_create(ptag, 64, slim, 1046 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 1047 ISP_FC_SCRLEN, 1, ISP_FC_SCRLEN, 0, NULL, NULL, 1048 &isp->isp_osinfo.scdmat)) 1049 goto bad; 1050 for (cmap = 0; cmap < isp->isp_nchan; cmap++) { 1051 struct isp_fc *fc = ISP_FC_PC(isp, cmap); 1052 if (bus_dmamem_alloc(isp->isp_osinfo.scdmat, 1053 (void **)&base, BUS_DMA_COHERENT, &fc->scmap) != 0) 1054 goto bad; 1055 FCPARAM(isp, cmap)->isp_scratch = base; 1056 im.error = 0; 1057 if (bus_dmamap_load(isp->isp_osinfo.scdmat, fc->scmap, 1058 base, ISP_FC_SCRLEN, imc, &im, BUS_DMA_NOWAIT) || 1059 im.error) { 1060 bus_dmamem_free(isp->isp_osinfo.scdmat, 1061 base, fc->scmap); 1062 FCPARAM(isp, cmap)->isp_scratch = NULL; 1063 goto bad; 1064 } 1065 FCPARAM(isp, cmap)->isp_scdma = im.maddr; 1066 for (i = 0; i < INITIAL_NEXUS_COUNT; i++) { 1067 struct isp_nexus *n = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_NOWAIT | M_ZERO); 1068 if (n == NULL) { 1069 while (fc->nexus_free_list) { 1070 n = fc->nexus_free_list; 1071 fc->nexus_free_list = n->next; 1072 free(n, M_DEVBUF); 1073 } 1074 goto bad; 1075 } 1076 n->next = fc->nexus_free_list; 1077 fc->nexus_free_list = n; 1078 } 1079 } 1080 1081 if (isp->isp_maxcmds == 0) { 1082 ISP_LOCK(isp); 1083 return (0); 1084 } 1085 1086 gotmaxcmds: 1087 if (bus_dma_tag_create(ptag, 1, slim, 1088 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 1089 (ISP_NSEG64_MAX - 1) * PAGE_SIZE, ISP_NSEG64_MAX, 1090 (ISP_NSEG64_MAX - 1) * PAGE_SIZE, 0, 1091 busdma_lock_mutex, &isp->isp_lock, &isp->isp_osinfo.dmat)) 1092 goto bad; 1093 len = isp->isp_maxcmds * sizeof (struct isp_pcmd); 1094 isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) 1095 malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); 1096 for (i = 0; i < isp->isp_maxcmds; i++) { 1097 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i]; 1098 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap); 1099 if (error) { 1100 isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error); 1101 while (--i >= 0) { 1102 bus_dmamap_destroy(isp->isp_osinfo.dmat, 1103 isp->isp_osinfo.pcmd_pool[i].dmap); 1104 } 1105 goto bad; 1106 } 1107 callout_init_mtx(&pcmd->wdog, &isp->isp_lock, 0); 1108 if (i == isp->isp_maxcmds-1) 1109 pcmd->next = NULL; 1110 else 1111 pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1]; 1112 } 1113 isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0]; 1114 1115 len = sizeof(isp_hdl_t) * ISP_HANDLE_NUM(isp); 1116 isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); 1117 for (len = 0; len < ISP_HANDLE_NUM(isp) - 1; len++) 1118 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1]; 1119 isp->isp_xffree = isp->isp_xflist; 1120 1121 ISP_LOCK(isp); 1122 return (0); 1123 1124 bad: 1125 isp_pci_mbxdmafree(isp); 1126 ISP_LOCK(isp); 1127 return (1); 1128 } 1129 1130 static void 1131 isp_pci_mbxdmafree(ispsoftc_t *isp) 1132 { 1133 int i; 1134 1135 if (isp->isp_xflist != NULL) { 1136 free(isp->isp_xflist, M_DEVBUF); 1137 isp->isp_xflist = NULL; 1138 } 1139 if (isp->isp_osinfo.pcmd_pool != NULL) { 1140 for (i = 0; i < isp->isp_maxcmds; i++) { 1141 bus_dmamap_destroy(isp->isp_osinfo.dmat, 1142 isp->isp_osinfo.pcmd_pool[i].dmap); 1143 } 1144 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF); 1145 isp->isp_osinfo.pcmd_pool = NULL; 1146 } 1147 if (isp->isp_osinfo.dmat) { 1148 bus_dma_tag_destroy(isp->isp_osinfo.dmat); 1149 isp->isp_osinfo.dmat = NULL; 1150 } 1151 for (i = 0; i < isp->isp_nchan; i++) { 1152 struct isp_fc *fc = ISP_FC_PC(isp, i); 1153 if (FCPARAM(isp, i)->isp_scdma != 0) { 1154 bus_dmamap_unload(isp->isp_osinfo.scdmat, 1155 fc->scmap); 1156 FCPARAM(isp, i)->isp_scdma = 0; 1157 } 1158 if (FCPARAM(isp, i)->isp_scratch != NULL) { 1159 bus_dmamem_free(isp->isp_osinfo.scdmat, 1160 FCPARAM(isp, i)->isp_scratch, fc->scmap); 1161 FCPARAM(isp, i)->isp_scratch = NULL; 1162 } 1163 while (fc->nexus_free_list) { 1164 struct isp_nexus *n = fc->nexus_free_list; 1165 fc->nexus_free_list = n->next; 1166 free(n, M_DEVBUF); 1167 } 1168 } 1169 if (isp->isp_osinfo.scdmat) { 1170 bus_dma_tag_destroy(isp->isp_osinfo.scdmat); 1171 isp->isp_osinfo.scdmat = NULL; 1172 } 1173 if (isp->isp_iocb_dma != 0) { 1174 bus_dmamap_unload(isp->isp_osinfo.iocbdmat, 1175 isp->isp_osinfo.iocbmap); 1176 isp->isp_iocb_dma = 0; 1177 } 1178 if (isp->isp_iocb != NULL) { 1179 bus_dmamem_free(isp->isp_osinfo.iocbdmat, 1180 isp->isp_iocb, isp->isp_osinfo.iocbmap); 1181 bus_dma_tag_destroy(isp->isp_osinfo.iocbdmat); 1182 } 1183 #ifdef ISP_TARGET_MODE 1184 if (isp->isp_atioq_dma != 0) { 1185 bus_dmamap_unload(isp->isp_osinfo.atiodmat, 1186 isp->isp_osinfo.atiomap); 1187 isp->isp_atioq_dma = 0; 1188 } 1189 if (isp->isp_atioq != NULL) { 1190 bus_dmamem_free(isp->isp_osinfo.atiodmat, isp->isp_atioq, 1191 isp->isp_osinfo.atiomap); 1192 bus_dma_tag_destroy(isp->isp_osinfo.atiodmat); 1193 isp->isp_atioq = NULL; 1194 } 1195 #endif 1196 if (isp->isp_result_dma != 0) { 1197 bus_dmamap_unload(isp->isp_osinfo.respdmat, 1198 isp->isp_osinfo.respmap); 1199 isp->isp_result_dma = 0; 1200 } 1201 if (isp->isp_result != NULL) { 1202 bus_dmamem_free(isp->isp_osinfo.respdmat, isp->isp_result, 1203 isp->isp_osinfo.respmap); 1204 bus_dma_tag_destroy(isp->isp_osinfo.respdmat); 1205 isp->isp_result = NULL; 1206 } 1207 #ifdef ISP_TARGET_MODE 1208 if (isp->isp_osinfo.ecmd_dma != 0) { 1209 bus_dmamap_unload(isp->isp_osinfo.ecmd_dmat, 1210 isp->isp_osinfo.ecmd_map); 1211 isp->isp_osinfo.ecmd_dma = 0; 1212 } 1213 if (isp->isp_osinfo.ecmd_base != NULL) { 1214 bus_dmamem_free(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_base, 1215 isp->isp_osinfo.ecmd_map); 1216 bus_dma_tag_destroy(isp->isp_osinfo.ecmd_dmat); 1217 isp->isp_osinfo.ecmd_base = NULL; 1218 } 1219 #endif 1220 if (isp->isp_rquest_dma != 0) { 1221 bus_dmamap_unload(isp->isp_osinfo.reqdmat, 1222 isp->isp_osinfo.reqmap); 1223 isp->isp_rquest_dma = 0; 1224 } 1225 if (isp->isp_rquest != NULL) { 1226 bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_rquest, 1227 isp->isp_osinfo.reqmap); 1228 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat); 1229 isp->isp_rquest = NULL; 1230 } 1231 } 1232 1233 static int 1234 isp_pci_irqsetup(ispsoftc_t *isp) 1235 { 1236 device_t dev = isp->isp_osinfo.dev; 1237 struct isp_pcisoftc *pcs = device_get_softc(dev); 1238 driver_intr_t *f; 1239 int i, max_irq; 1240 1241 /* Allocate IRQs only once. */ 1242 if (isp->isp_nirq > 0) 1243 return (0); 1244 1245 ISP_UNLOCK(isp); 1246 if (ISP_CAP_MSIX(isp)) { 1247 max_irq = IS_26XX(isp) ? 3 : (IS_25XX(isp) ? 2 : 0); 1248 resource_int_value(device_get_name(dev), 1249 device_get_unit(dev), "msix", &max_irq); 1250 max_irq = imin(ISP_MAX_IRQS, max_irq); 1251 pcs->msicount = imin(pci_msix_count(dev), max_irq); 1252 if (pcs->msicount > 0 && 1253 pci_alloc_msix(dev, &pcs->msicount) != 0) 1254 pcs->msicount = 0; 1255 } 1256 if (pcs->msicount == 0) { 1257 max_irq = 1; 1258 resource_int_value(device_get_name(dev), 1259 device_get_unit(dev), "msi", &max_irq); 1260 max_irq = imin(1, max_irq); 1261 pcs->msicount = imin(pci_msi_count(dev), max_irq); 1262 if (pcs->msicount > 0 && 1263 pci_alloc_msi(dev, &pcs->msicount) != 0) 1264 pcs->msicount = 0; 1265 } 1266 for (i = 0; i < MAX(1, pcs->msicount); i++) { 1267 pcs->irq[i].iqd = i + (pcs->msicount > 0); 1268 pcs->irq[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 1269 &pcs->irq[i].iqd, RF_ACTIVE | RF_SHAREABLE); 1270 if (pcs->irq[i].irq == NULL) { 1271 device_printf(dev, "could not allocate interrupt\n"); 1272 break; 1273 } 1274 if (i == 0) 1275 f = isp_platform_intr; 1276 else if (i == 1) 1277 f = isp_platform_intr_resp; 1278 else 1279 f = isp_platform_intr_atio; 1280 if (bus_setup_intr(dev, pcs->irq[i].irq, ISP_IFLAGS, NULL, 1281 f, isp, &pcs->irq[i].ih)) { 1282 device_printf(dev, "could not setup interrupt\n"); 1283 (void) bus_release_resource(dev, SYS_RES_IRQ, 1284 pcs->irq[i].iqd, pcs->irq[i].irq); 1285 break; 1286 } 1287 if (pcs->msicount > 1) { 1288 bus_describe_intr(dev, pcs->irq[i].irq, pcs->irq[i].ih, 1289 "%d", i); 1290 } 1291 isp->isp_nirq = i + 1; 1292 } 1293 ISP_LOCK(isp); 1294 1295 return (isp->isp_nirq == 0); 1296 }
Cache object: cf911dece0b3ad17aa60272553c60e34
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]