1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2013 Nathan Whitehorn 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * 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 AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/module.h> 32 #include <sys/bus.h> 33 #include <sys/conf.h> 34 #include <sys/kernel.h> 35 #include <sys/rman.h> 36 37 #include <dev/ofw/openfirm.h> 38 #include <dev/ofw/ofw_bus.h> 39 #include <dev/ofw/ofw_bus_subr.h> 40 41 #include <dev/fdt/simplebus.h> 42 43 #include "pci_if.h" 44 #include "pcib_if.h" 45 46 /* 47 * Bus interface. 48 */ 49 static int simplebus_probe(device_t dev); 50 static struct resource *simplebus_alloc_resource(device_t, device_t, int, 51 int *, rman_res_t, rman_res_t, rman_res_t, u_int); 52 static void simplebus_probe_nomatch(device_t bus, device_t child); 53 static int simplebus_print_child(device_t bus, device_t child); 54 static device_t simplebus_add_child(device_t dev, u_int order, 55 const char *name, int unit); 56 static struct resource_list *simplebus_get_resource_list(device_t bus, 57 device_t child); 58 59 static ssize_t simplebus_get_property(device_t bus, device_t child, 60 const char *propname, void *propvalue, size_t size, 61 device_property_type_t type); 62 /* 63 * ofw_bus interface 64 */ 65 static const struct ofw_bus_devinfo *simplebus_get_devinfo(device_t bus, 66 device_t child); 67 68 /* 69 * PCI interface for MSI interrupts 70 */ 71 static pci_get_id_t simplebus_get_id; 72 static pci_alloc_msi_t simplebus_alloc_msi; 73 74 /* 75 * PCIB interface 76 */ 77 static pcib_alloc_msi_t simplebus_pcib_alloc_msi; 78 static pcib_release_msi_t simplebus_pcib_release_msi; 79 static pcib_alloc_msix_t simplebus_pcib_alloc_msix; 80 static pcib_release_msix_t simplebus_pcib_release_msix; 81 static pcib_map_msi_t simplebus_pcib_map_msi; 82 83 /* 84 * Driver methods. 85 */ 86 static device_method_t simplebus_methods[] = { 87 /* Device interface */ 88 DEVMETHOD(device_probe, simplebus_probe), 89 DEVMETHOD(device_attach, simplebus_attach), 90 DEVMETHOD(device_detach, simplebus_detach), 91 DEVMETHOD(device_shutdown, bus_generic_shutdown), 92 DEVMETHOD(device_suspend, bus_generic_suspend), 93 DEVMETHOD(device_resume, bus_generic_resume), 94 95 /* Bus interface */ 96 DEVMETHOD(bus_add_child, simplebus_add_child), 97 DEVMETHOD(bus_print_child, simplebus_print_child), 98 DEVMETHOD(bus_probe_nomatch, simplebus_probe_nomatch), 99 DEVMETHOD(bus_read_ivar, bus_generic_read_ivar), 100 DEVMETHOD(bus_write_ivar, bus_generic_write_ivar), 101 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 102 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 103 DEVMETHOD(bus_alloc_resource, simplebus_alloc_resource), 104 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 105 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 106 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 107 DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), 108 DEVMETHOD(bus_map_resource, bus_generic_map_resource), 109 DEVMETHOD(bus_unmap_resource, bus_generic_unmap_resource), 110 DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), 111 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), 112 DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource), 113 DEVMETHOD(bus_child_pnpinfo, ofw_bus_gen_child_pnpinfo), 114 DEVMETHOD(bus_get_resource_list, simplebus_get_resource_list), 115 DEVMETHOD(bus_get_property, simplebus_get_property), 116 DEVMETHOD(bus_get_device_path, ofw_bus_gen_get_device_path), 117 118 /* ofw_bus interface */ 119 DEVMETHOD(ofw_bus_get_devinfo, simplebus_get_devinfo), 120 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), 121 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), 122 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), 123 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), 124 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), 125 126 /* PCI interface for MSI interrupts */ 127 DEVMETHOD(pci_get_id, simplebus_get_id), 128 DEVMETHOD(pci_alloc_msi, simplebus_alloc_msi), 129 130 /* PCIB interface */ 131 DEVMETHOD(pcib_alloc_msi, simplebus_pcib_alloc_msi), 132 DEVMETHOD(pcib_release_msi, simplebus_pcib_release_msi), 133 DEVMETHOD(pcib_alloc_msix, simplebus_pcib_alloc_msix), 134 DEVMETHOD(pcib_release_msix, simplebus_pcib_release_msix), 135 DEVMETHOD(pcib_map_msi, simplebus_pcib_map_msi), 136 137 DEVMETHOD_END 138 }; 139 140 DEFINE_CLASS_0(simplebus, simplebus_driver, simplebus_methods, 141 sizeof(struct simplebus_softc)); 142 143 EARLY_DRIVER_MODULE(simplebus, ofwbus, simplebus_driver, 0, 0, BUS_PASS_BUS); 144 EARLY_DRIVER_MODULE(simplebus, simplebus, simplebus_driver, 0, 0, 145 BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE); 146 147 static int 148 simplebus_probe(device_t dev) 149 { 150 151 if (!ofw_bus_status_okay(dev)) 152 return (ENXIO); 153 /* 154 * XXX We should attach only to pure' compatible = "simple-bus"', 155 * without any other compatible string. 156 * For now, filter only know cases: 157 * "syscon", "simple-bus"; is handled by fdt/syscon driver 158 * "simple-mfd", "simple-bus"; is handled by fdt/simple-mfd driver 159 */ 160 if (ofw_bus_is_compatible(dev, "syscon") || 161 ofw_bus_is_compatible(dev, "simple-mfd")) 162 return (ENXIO); 163 164 /* 165 * FDT data puts a "simple-bus" compatible string on many things that 166 * have children but aren't really buses in our world. Without a 167 * ranges property we will fail to attach, so just fail to probe too. 168 */ 169 if (!(ofw_bus_is_compatible(dev, "simple-bus") && 170 ofw_bus_has_prop(dev, "ranges")) && 171 (ofw_bus_get_type(dev) == NULL || strcmp(ofw_bus_get_type(dev), 172 "soc") != 0)) 173 return (ENXIO); 174 175 device_set_desc(dev, "Flattened device tree simple bus"); 176 177 return (BUS_PROBE_GENERIC); 178 } 179 180 int 181 simplebus_attach_impl(device_t dev) 182 { 183 struct simplebus_softc *sc; 184 phandle_t node; 185 186 sc = device_get_softc(dev); 187 simplebus_init(dev, 0); 188 if ((sc->flags & SB_FLAG_NO_RANGES) == 0 && 189 simplebus_fill_ranges(sc->node, sc) < 0) { 190 device_printf(dev, "could not get ranges\n"); 191 return (ENXIO); 192 } 193 194 /* 195 * In principle, simplebus could have an interrupt map, but ignore that 196 * for now 197 */ 198 199 for (node = OF_child(sc->node); node > 0; node = OF_peer(node)) 200 simplebus_add_device(dev, node, 0, NULL, -1, NULL); 201 202 return (0); 203 } 204 205 int 206 simplebus_attach(device_t dev) 207 { 208 int rv; 209 210 rv = simplebus_attach_impl(dev); 211 if (rv != 0) 212 return (rv); 213 214 bus_attach_children(dev); 215 return (0); 216 } 217 218 int 219 simplebus_detach(device_t dev) 220 { 221 struct simplebus_softc *sc; 222 int rv; 223 224 rv = bus_generic_detach(dev); 225 if (rv != 0) 226 return (rv); 227 228 sc = device_get_softc(dev); 229 if (sc->ranges != NULL) 230 free(sc->ranges, M_DEVBUF); 231 232 return (0); 233 } 234 235 void 236 simplebus_init(device_t dev, phandle_t node) 237 { 238 struct simplebus_softc *sc; 239 240 sc = device_get_softc(dev); 241 if (node == 0) 242 node = ofw_bus_get_node(dev); 243 sc->dev = dev; 244 sc->node = node; 245 246 /* 247 * Some important numbers 248 */ 249 sc->acells = 2; 250 OF_getencprop(node, "#address-cells", &sc->acells, sizeof(sc->acells)); 251 sc->scells = 1; 252 OF_getencprop(node, "#size-cells", &sc->scells, sizeof(sc->scells)); 253 } 254 255 int 256 simplebus_fill_ranges(phandle_t node, struct simplebus_softc *sc) 257 { 258 int host_address_cells; 259 cell_t *base_ranges; 260 ssize_t nbase_ranges; 261 int err; 262 int i, j, k; 263 264 err = OF_searchencprop(OF_parent(node), "#address-cells", 265 &host_address_cells, sizeof(host_address_cells)); 266 if (err <= 0) 267 return (-1); 268 269 nbase_ranges = OF_getproplen(node, "ranges"); 270 if (nbase_ranges < 0) 271 return (-1); 272 sc->nranges = nbase_ranges / sizeof(cell_t) / 273 (sc->acells + host_address_cells + sc->scells); 274 if (sc->nranges == 0) 275 return (0); 276 277 sc->ranges = malloc(sc->nranges * sizeof(sc->ranges[0]), 278 M_DEVBUF, M_WAITOK); 279 base_ranges = malloc(nbase_ranges, M_DEVBUF, M_WAITOK); 280 OF_getencprop(node, "ranges", base_ranges, nbase_ranges); 281 282 for (i = 0, j = 0; i < sc->nranges; i++) { 283 sc->ranges[i].bus = 0; 284 for (k = 0; k < sc->acells; k++) { 285 sc->ranges[i].bus <<= 32; 286 sc->ranges[i].bus |= base_ranges[j++]; 287 } 288 sc->ranges[i].host = 0; 289 for (k = 0; k < host_address_cells; k++) { 290 sc->ranges[i].host <<= 32; 291 sc->ranges[i].host |= base_ranges[j++]; 292 } 293 sc->ranges[i].size = 0; 294 for (k = 0; k < sc->scells; k++) { 295 sc->ranges[i].size <<= 32; 296 sc->ranges[i].size |= base_ranges[j++]; 297 } 298 } 299 300 free(base_ranges, M_DEVBUF); 301 return (sc->nranges); 302 } 303 304 struct simplebus_devinfo * 305 simplebus_setup_dinfo(device_t dev, phandle_t node, 306 struct simplebus_devinfo *di) 307 { 308 struct simplebus_softc *sc; 309 struct simplebus_devinfo *ndi; 310 311 sc = device_get_softc(dev); 312 if (di == NULL) 313 ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO); 314 else 315 ndi = di; 316 if (ofw_bus_gen_setup_devinfo(&ndi->obdinfo, node) != 0) { 317 if (di == NULL) 318 free(ndi, M_DEVBUF); 319 return (NULL); 320 } 321 322 resource_list_init(&ndi->rl); 323 ofw_bus_reg_to_rl(dev, node, sc->acells, sc->scells, &ndi->rl); 324 ofw_bus_intr_to_rl(dev, node, &ndi->rl, NULL); 325 326 return (ndi); 327 } 328 329 device_t 330 simplebus_add_device(device_t dev, phandle_t node, u_int order, 331 const char *name, int unit, struct simplebus_devinfo *di) 332 { 333 struct simplebus_devinfo *ndi; 334 device_t cdev; 335 336 if ((ndi = simplebus_setup_dinfo(dev, node, di)) == NULL) 337 return (NULL); 338 cdev = device_add_child_ordered(dev, order, name, unit); 339 if (cdev == NULL) { 340 device_printf(dev, "<%s>: device_add_child failed\n", 341 ndi->obdinfo.obd_name); 342 resource_list_free(&ndi->rl); 343 ofw_bus_gen_destroy_devinfo(&ndi->obdinfo); 344 if (di == NULL) 345 free(ndi, M_DEVBUF); 346 return (NULL); 347 } 348 device_set_ivars(cdev, ndi); 349 350 return(cdev); 351 } 352 353 static device_t 354 simplebus_add_child(device_t dev, u_int order, const char *name, int unit) 355 { 356 device_t cdev; 357 struct simplebus_devinfo *ndi; 358 359 cdev = device_add_child_ordered(dev, order, name, unit); 360 if (cdev == NULL) 361 return (NULL); 362 363 ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO); 364 ndi->obdinfo.obd_node = -1; 365 resource_list_init(&ndi->rl); 366 device_set_ivars(cdev, ndi); 367 368 return (cdev); 369 } 370 371 static const struct ofw_bus_devinfo * 372 simplebus_get_devinfo(device_t bus __unused, device_t child) 373 { 374 struct simplebus_devinfo *ndi; 375 376 ndi = device_get_ivars(child); 377 if (ndi == NULL) 378 return (NULL); 379 return (&ndi->obdinfo); 380 } 381 382 static struct resource_list * 383 simplebus_get_resource_list(device_t bus __unused, device_t child) 384 { 385 struct simplebus_devinfo *ndi; 386 387 ndi = device_get_ivars(child); 388 if (ndi == NULL) 389 return (NULL); 390 return (&ndi->rl); 391 } 392 393 static ssize_t 394 simplebus_get_property(device_t bus, device_t child, const char *propname, 395 void *propvalue, size_t size, device_property_type_t type) 396 { 397 phandle_t node, xref; 398 ssize_t ret, i; 399 uint32_t *buffer; 400 uint64_t val; 401 402 switch (type) { 403 case DEVICE_PROP_ANY: 404 case DEVICE_PROP_BUFFER: 405 case DEVICE_PROP_UINT32: 406 case DEVICE_PROP_UINT64: 407 case DEVICE_PROP_HANDLE: 408 break; 409 default: 410 return (-1); 411 } 412 413 node = ofw_bus_get_node(child); 414 if (propvalue == NULL || size == 0) 415 return (OF_getproplen(node, propname)); 416 417 /* 418 * Integer values are stored in BE format. 419 * If caller declared that the underlying property type is uint32_t 420 * we need to do the conversion to match host endianness. 421 */ 422 if (type == DEVICE_PROP_UINT32) 423 return (OF_getencprop(node, propname, propvalue, size)); 424 425 /* 426 * uint64_t also requires endianness handling. 427 * In FDT every 8 byte value is stored using two uint32_t variables 428 * in BE format. Now, since the upper bits are stored as the first 429 * of the pair, both halves require swapping. 430 */ 431 if (type == DEVICE_PROP_UINT64) { 432 ret = OF_getencprop(node, propname, propvalue, size); 433 if (ret <= 0) { 434 return (ret); 435 } 436 437 buffer = (uint32_t *)propvalue; 438 439 for (i = 0; i < size / 4; i += 2) { 440 val = (uint64_t)buffer[i] << 32 | buffer[i + 1]; 441 ((uint64_t *)buffer)[i / 2] = val; 442 } 443 return (ret); 444 } 445 446 if (type == DEVICE_PROP_HANDLE) { 447 if (size < sizeof(node)) 448 return (-1); 449 ret = OF_getencprop(node, propname, &xref, sizeof(xref)); 450 if (ret <= 0) 451 return (ret); 452 453 node = OF_node_from_xref(xref); 454 if (propvalue != NULL) 455 *(uint32_t *)propvalue = node; 456 return (ret); 457 } 458 459 return (OF_getprop(node, propname, propvalue, size)); 460 } 461 462 static struct resource * 463 simplebus_alloc_resource(device_t bus, device_t child, int type, int *rid, 464 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 465 { 466 struct simplebus_softc *sc; 467 struct simplebus_devinfo *di; 468 struct resource_list_entry *rle; 469 int j; 470 471 sc = device_get_softc(bus); 472 473 /* 474 * Request for the default allocation with a given rid: use resource 475 * list stored in the local device info. 476 */ 477 if (RMAN_IS_DEFAULT_RANGE(start, end)) { 478 if ((di = device_get_ivars(child)) == NULL) 479 return (NULL); 480 481 rle = resource_list_find(&di->rl, type, *rid); 482 if (rle == NULL) { 483 if (bootverbose) 484 device_printf(bus, "no default resources for " 485 "rid = %d, type = %d\n", *rid, type); 486 return (NULL); 487 } 488 start = rle->start; 489 end = rle->end; 490 count = rle->count; 491 } 492 493 if (type == SYS_RES_MEMORY) { 494 /* Remap through ranges property */ 495 for (j = 0; j < sc->nranges; j++) { 496 if (start >= sc->ranges[j].bus && end < 497 sc->ranges[j].bus + sc->ranges[j].size) { 498 start -= sc->ranges[j].bus; 499 start += sc->ranges[j].host; 500 end -= sc->ranges[j].bus; 501 end += sc->ranges[j].host; 502 break; 503 } 504 } 505 if (j == sc->nranges && sc->nranges != 0) { 506 if (bootverbose) 507 device_printf(bus, "Could not map resource " 508 "%#jx-%#jx\n", start, end); 509 510 return (NULL); 511 } 512 } 513 514 return (bus_generic_alloc_resource(bus, child, type, rid, start, end, 515 count, flags)); 516 } 517 518 static int 519 simplebus_print_res(struct simplebus_devinfo *di) 520 { 521 int rv; 522 523 if (di == NULL) 524 return (0); 525 rv = 0; 526 rv += resource_list_print_type(&di->rl, "mem", SYS_RES_MEMORY, "%#jx"); 527 rv += resource_list_print_type(&di->rl, "irq", SYS_RES_IRQ, "%jd"); 528 return (rv); 529 } 530 531 static void 532 simplebus_probe_nomatch(device_t bus, device_t child) 533 { 534 const char *name, *type, *compat; 535 536 if (!bootverbose) 537 return; 538 539 compat = ofw_bus_get_compat(child); 540 if (compat == NULL) 541 return; 542 name = ofw_bus_get_name(child); 543 type = ofw_bus_get_type(child); 544 545 device_printf(bus, "<%s>", name != NULL ? name : "unknown"); 546 simplebus_print_res(device_get_ivars(child)); 547 if (!ofw_bus_status_okay(child)) 548 printf(" disabled"); 549 if (type) 550 printf(" type %s", type); 551 printf(" compat %s (no driver attached)\n", compat); 552 } 553 554 static int 555 simplebus_print_child(device_t bus, device_t child) 556 { 557 int rv; 558 559 rv = bus_print_child_header(bus, child); 560 rv += simplebus_print_res(device_get_ivars(child)); 561 if (!ofw_bus_status_okay(child)) 562 rv += printf(" disabled"); 563 rv += bus_print_child_footer(bus, child); 564 return (rv); 565 } 566 567 static int 568 simplebus_get_id(device_t dev, device_t child, enum pci_id_type type, 569 uintptr_t *id) 570 { 571 phandle_t node, xref; 572 pcell_t *cells; 573 uintptr_t rid; 574 int error, ncells; 575 576 if (type != PCI_ID_MSI) 577 return (EINVAL); 578 579 node = ofw_bus_get_node(child); 580 error = ofw_bus_parse_xref_list_alloc(node, "msi-parent", "#msi-cells", 581 0, &xref, &ncells, &cells); 582 if (error != 0) 583 return (error); 584 585 rid = 0; 586 if (ncells > 0) 587 rid = cells[0]; 588 589 *id = rid; 590 return (0); 591 } 592 593 static int 594 simplebus_alloc_msi(device_t bus, device_t child, int *count) 595 { 596 struct simplebus_devinfo *ndi; 597 struct resource_list_entry *rle; 598 int error, i, irq_count, *irqs; 599 600 if (*count < 1) 601 return (EINVAL); 602 603 ndi = device_get_ivars(child); 604 if (ndi == NULL) 605 return (ENXIO); 606 607 /* Only MSI or non-MSI for now */ 608 rle = resource_list_find(&ndi->rl, SYS_RES_IRQ, 0); 609 if (rle != NULL && rle->res != NULL) 610 return (ENXIO); 611 612 irq_count = *count; 613 irqs = mallocarray(irq_count, sizeof(int), M_DEVBUF, M_WAITOK | M_ZERO); 614 615 error = PCIB_ALLOC_MSI(bus, child, irq_count, irq_count, irqs); 616 if (error != 0) 617 goto out; 618 619 for (i = 0; i < irq_count; i++) { 620 error = bus_generic_rl_set_resource(bus, child, SYS_RES_IRQ, 621 i + 1, irqs[i], 1); 622 if (error != 0) 623 break; 624 } 625 626 /* Clean up resources if something failed */ 627 if (error != 0) { 628 for (int j = 0; j < i; j++) { 629 bus_generic_rl_delete_resource(bus, child, SYS_RES_IRQ, 630 j + 1); 631 } 632 } 633 out: 634 free(irqs, M_DEVBUF); 635 return (error); 636 } 637 638 static int 639 simplebus_pcib_alloc_msi(device_t dev, device_t child, int count, int maxcount, 640 int *irqs) 641 { 642 return (PCIB_ALLOC_MSI(device_get_parent(dev), child, count, maxcount, 643 irqs)); 644 } 645 646 static int 647 simplebus_pcib_release_msi(device_t dev, device_t child, int count, int *irqs) 648 { 649 return (PCIB_RELEASE_MSI(device_get_parent(dev), child, count, irqs)); 650 } 651 652 static int 653 simplebus_pcib_alloc_msix(device_t dev, device_t child, int *irq) 654 { 655 return (PCIB_ALLOC_MSIX(device_get_parent(dev), child, irq)); 656 } 657 658 static int 659 simplebus_pcib_release_msix(device_t dev, device_t child, int irq) 660 { 661 return (PCIB_RELEASE_MSIX(device_get_parent(dev), child, irq)); 662 } 663 664 static int 665 simplebus_pcib_map_msi(device_t dev, device_t child, int irq, uint64_t *addr, 666 uint32_t *data) 667 { 668 return (PCIB_MAP_MSI(device_get_parent(dev), child, irq, addr, 669 data)); 670 } 671