btvmei.c revision 1.30
1 /* $NetBSD: btvmei.c,v 1.30 2014/03/29 19:28:24 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1999 5 * Matthias Drochner. 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: btvmei.c,v 1.30 2014/03/29 19:28:24 christos Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/device.h> 38 #include <sys/proc.h> 39 #include <sys/malloc.h> 40 41 #include <sys/bus.h> 42 #include <sys/extent.h> 43 44 #include <dev/pci/pcireg.h> 45 #include <dev/pci/pcivar.h> 46 #include <dev/pci/pcidevs.h> 47 48 #include <dev/vme/vmereg.h> 49 #include <dev/vme/vmevar.h> 50 51 #include <dev/pci/btvmeireg.h> 52 #include <dev/pci/btvmeivar.h> 53 54 static int b3_617_match(device_t, cfdata_t, void *); 55 static void b3_617_attach(device_t, device_t, void *); 56 #ifdef notyet 57 static int b3_617_detach(device_t); 58 #endif 59 void b3_617_slaveconfig(device_t, struct vme_attach_args *); 60 61 static void b3_617_vmeintr(struct b3_617_softc *, unsigned char); 62 63 /* 64 * mapping ressources, needed for deallocation 65 */ 66 struct b3_617_vmeresc { 67 bus_space_handle_t handle; 68 bus_size_t len; 69 int firstpage, maplen; 70 }; 71 72 CFATTACH_DECL_NEW(btvmei, sizeof(struct b3_617_softc), 73 b3_617_match, b3_617_attach, NULL, NULL); 74 75 static int 76 b3_617_match(device_t parent, cfdata_t match, void *aux) 77 { 78 struct pci_attach_args *pa = aux; 79 80 if ((PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BIT3) 81 || (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BIT3_PCIVME617)) 82 return (0); 83 return (1); 84 } 85 86 static void 87 b3_617_attach(device_t parent, device_t self, void *aux) 88 { 89 struct b3_617_softc *sc = device_private(self); 90 struct pci_attach_args *pa = aux; 91 pci_chipset_tag_t pc = pa->pa_pc; 92 93 pci_intr_handle_t ih; 94 const char *intrstr; 95 struct vmebus_attach_args vaa; 96 char intrbuf[PCI_INTRSTR_LEN]; 97 98 sc->sc_dev = self; 99 sc->sc_pc = pc; 100 sc->sc_dmat = pa->pa_dmat; 101 102 pci_aprint_devinfo_fancy(pa, "VME bus adapter", "BIT3 PCI-VME 617", 1); 103 104 /* 105 * Map CSR and mapping table spaces. 106 * Don't map VME window; parts are mapped as needed to 107 * save kernel virtual memory space 108 */ 109 if (pci_mapreg_map(pa, 0x14, 110 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 111 0, &sc->csrt, &sc->csrh, NULL, NULL) && 112 pci_mapreg_map(pa, 0x10, 113 PCI_MAPREG_TYPE_IO, 114 0, &sc->csrt, &sc->csrh, NULL, NULL)) { 115 aprint_error_dev(self, "can't map CSR space\n"); 116 return; 117 } 118 119 if (pci_mapreg_map(pa, 0x18, 120 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 121 0, &sc->mapt, &sc->maph, NULL, NULL)) { 122 aprint_error_dev(self, "can't map map space\n"); 123 return; 124 } 125 126 if (pci_mapreg_info(pc, pa->pa_tag, 0x1c, 127 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 128 &sc->vmepbase, 0, 0)) { 129 aprint_error_dev(self, "can't get VME range\n"); 130 return; 131 } 132 sc->sc_vmet = pa->pa_memt; /* XXX needed for VME mappings */ 133 134 /* Map and establish the interrupt. */ 135 if (pci_intr_map(pa, &ih)) { 136 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n"); 137 return; 138 } 139 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 140 /* 141 * Use a low interrupt level (the lowest?). 142 * We will raise before calling a subdevice's handler. 143 */ 144 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, b3_617_intr, sc); 145 if (sc->sc_ih == NULL) { 146 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); 147 if (intrstr != NULL) 148 aprint_error(" at %s", intrstr); 149 aprint_error("\n"); 150 return; 151 } 152 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 153 154 if (b3_617_init(sc)) 155 return; 156 157 /* 158 * set up all the tags for use by VME devices 159 */ 160 sc->sc_vct.cookie = self; 161 sc->sc_vct.vct_probe = b3_617_vme_probe; 162 sc->sc_vct.vct_map = b3_617_map_vme; 163 sc->sc_vct.vct_unmap = b3_617_unmap_vme; 164 sc->sc_vct.vct_int_map = b3_617_map_vmeint; 165 sc->sc_vct.vct_int_establish = b3_617_establish_vmeint; 166 sc->sc_vct.vct_int_disestablish = b3_617_disestablish_vmeint; 167 sc->sc_vct.vct_dmamap_create = b3_617_dmamap_create; 168 sc->sc_vct.vct_dmamap_destroy = b3_617_dmamap_destroy; 169 sc->sc_vct.vct_dmamem_alloc = b3_617_dmamem_alloc; 170 sc->sc_vct.vct_dmamem_free = b3_617_dmamem_free; 171 172 vaa.va_vct = &(sc->sc_vct); 173 vaa.va_bdt = pa->pa_dmat; 174 vaa.va_slaveconfig = b3_617_slaveconfig; 175 176 sc->csrwindow.offset = -1; 177 sc->dmawindow24.offset = -1; 178 sc->dmawindow32.offset = -1; 179 config_found(self, &vaa, 0); 180 } 181 182 #ifdef notyet 183 static int 184 b3_617_detach(device_t dev) 185 { 186 struct b3_617_softc *sc = device_private(dev); 187 188 b3_617_halt(sc); 189 190 if (sc->sc_ih) 191 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 192 193 bus_space_unmap(sc->sc_bc, sc->csrbase, 32); 194 bus_space_unmap(sc->sc_bc, sc->mapbase, 64*1024); 195 196 return(0); 197 } 198 #endif 199 200 void 201 b3_617_slaveconfig(device_t dev, struct vme_attach_args *va) 202 { 203 struct b3_617_softc *sc = device_private(dev); 204 vme_chipset_tag_t vmect; 205 int i, res; 206 const char *name = 0; /* XXX gcc! */ 207 208 vmect = &sc->sc_vct; 209 if (!va) 210 goto freeit; 211 212 #ifdef DIAGNOSTIC 213 if (vmect != va->va_vct) 214 panic("pcivme_slaveconfig: chipset tag?"); 215 #endif 216 217 for (i = 0; i < va->numcfranges; i++) { 218 res = vme_space_alloc(vmect, va->r[i].offset, 219 va->r[i].size, va->r[i].am); 220 if (res) 221 panic("%s: can't alloc slave window %x/%x/%x", 222 device_xname(dev), va->r[i].offset, 223 va->r[i].size, va->r[i].am); 224 225 switch (va->r[i].am & VME_AM_ADRSIZEMASK) { 226 /* structure assignments! */ 227 case VME_AM_A16: 228 sc->csrwindow = va->r[i]; 229 name = "VME CSR"; 230 break; 231 case VME_AM_A24: 232 sc->dmawindow24 = va->r[i]; 233 name = "A24 DMA"; 234 break; 235 case VME_AM_A32: 236 sc->dmawindow32 = va->r[i]; 237 name = "A32 DMA"; 238 break; 239 } 240 printf("%s: %s window: %x-%x\n", device_xname(dev), 241 name, va->r[i].offset, 242 va->r[i].offset + va->r[i].size - 1); 243 } 244 return; 245 246 freeit: 247 if (sc->csrwindow.offset != -1) 248 vme_space_free(vmect, sc->csrwindow.offset, 249 sc->csrwindow.size, sc->csrwindow.am); 250 if (sc->dmawindow32.offset != -1) 251 vme_space_free(vmect, sc->dmawindow32.offset, 252 sc->dmawindow32.size, sc->dmawindow32.am); 253 if (sc->dmawindow24.offset != -1) 254 vme_space_free(vmect, sc->dmawindow24.offset, 255 sc->dmawindow24.size, sc->dmawindow24.am); 256 } 257 258 int 259 b3_617_reset(struct b3_617_softc *sc) 260 { 261 unsigned char status; 262 263 /* reset sequence, ch 5.2 */ 264 status = read_csr_byte(sc, LOC_STATUS); 265 if (status & LSR_NO_CONNECT) { 266 printf("%s: not connected\n", device_xname(sc->sc_dev)); 267 return (-1); 268 } 269 status = read_csr_byte(sc, REM_STATUS); /* discard */ 270 write_csr_byte(sc, LOC_CMD1, LC1_CLR_ERROR); 271 status = read_csr_byte(sc, LOC_STATUS); 272 if (status & LSR_CERROR_MASK) { 273 char sbuf[sizeof(BIT3_LSR_BITS) + 64]; 274 275 snprintb(sbuf, sizeof(sbuf), BIT3_LSR_BITS, status); 276 printf("%s: interface error, lsr=%s\n", device_xname(sc->sc_dev), 277 sbuf); 278 return (-1); 279 } 280 return (0); 281 } 282 283 int 284 b3_617_init(struct b3_617_softc *sc) 285 { 286 unsigned int i; 287 288 if (b3_617_reset(sc)) 289 return (-1); 290 291 /* all maps invalid */ 292 for (i = MR_PCI_VME; i < MR_PCI_VME + MR_PCI_VME_SIZE; i += 4) 293 write_mapmem(sc, i, MR_RAM_INVALID); 294 for (i = MR_VME_PCI; i < MR_VME_PCI + MR_VME_PCI_SIZE; i += 4) 295 write_mapmem(sc, i, MR_RAM_INVALID); 296 for (i = MR_DMA_PCI; i < MR_DMA_PCI + MR_DMA_PCI_SIZE; i += 4) 297 write_mapmem(sc, i, MR_RAM_INVALID); 298 299 /* 300 * set up scatter page allocation control 301 */ 302 sc->vmeext = extent_create("pcivme", MR_PCI_VME, 303 MR_PCI_VME + MR_PCI_VME_SIZE - 1, 304 sc->vmemap, sizeof(sc->vmemap), 305 EX_NOCOALESCE); 306 #if 0 307 sc->pciext = extent_create("vmepci", MR_VME_PCI, 308 MR_VME_PCI + MR_VME_PCI_SIZE - 1, 309 sc->pcimap, sizeof(sc->pcimap), 310 EX_NOCOALESCE); 311 sc->dmaext = extent_create("dmapci", MR_DMA_PCI, 312 MR_DMA_PCI + MR_DMA_PCI_SIZE - 1, 313 sc->dmamap, sizeof(sc->dmamap), 314 EX_NOCOALESCE); 315 #endif 316 317 /* 318 * init int handler queue, 319 * enable interrupts if PCI interrupt available 320 */ 321 TAILQ_INIT(&(sc->intrhdls)); 322 sc->strayintrs = 0; 323 324 if (sc->sc_ih) 325 write_csr_byte(sc, LOC_INT_CTRL, LIC_INT_ENABLE); 326 /* no error ints */ 327 write_csr_byte(sc, REM_CMD2, 0); /* enables VME IRQ */ 328 329 return (0); 330 } 331 332 #ifdef notyet /* for detach */ 333 void 334 b3_617_halt(struct b3_617_softc *sc) 335 { 336 /* 337 * because detach code checks for existence of children, 338 * all ressources (mappings, VME IRQs, DMA requests) 339 * should be deallocated at this point 340 */ 341 342 /* disable IRQ */ 343 write_csr_byte(sc, LOC_INT_CTRL, 0); 344 } 345 #endif 346 347 static void 348 b3_617_vmeintr(struct b3_617_softc *sc, unsigned char lstat) 349 { 350 int level; 351 352 for (level = 7; level >= 1; level--) { 353 unsigned char vector; 354 struct b3_617_vmeintrhand *ih; 355 int found; 356 357 if (!(lstat & (1 << level))) 358 continue; 359 360 write_csr_byte(sc, REM_CMD1, level); 361 vector = read_csr_byte(sc, REM_IACK); 362 363 found = 0; 364 365 for (ih = sc->intrhdls.tqh_first; ih; 366 ih = ih->ih_next.tqe_next) { 367 if ((ih->ih_level == level) && 368 ((ih->ih_vector == -1) || 369 (ih->ih_vector == vector))) { 370 int s, res; 371 /* 372 * We should raise the interrupt level 373 * to ih->ih_prior here. How to do this 374 * machine-independently? 375 * To be safe, raise to the maximum. 376 */ 377 s = splhigh(); 378 found |= (res = (*(ih->ih_fun))(ih->ih_arg)); 379 splx(s); 380 if (res) 381 ih->ih_count++; 382 if (res == 1) 383 break; 384 } 385 } 386 if (!found) 387 sc->strayintrs++; 388 } 389 } 390 391 #define sc ((struct b3_617_softc*)vsc) 392 393 int 394 b3_617_map_vme(void *vsc, vme_addr_t vmeaddr, vme_size_t len, vme_am_t am, vme_datasize_t datasizes, vme_swap_t swap, bus_space_tag_t *tag, bus_space_handle_t *handle, vme_mapresc_t *resc) 395 { 396 vme_addr_t vmebase, vmeend, va; 397 unsigned long maplen, first, i; 398 u_int32_t mapreg; 399 bus_addr_t pcibase; 400 int res; 401 struct b3_617_vmeresc *r; 402 403 /* first mapped address */ 404 vmebase = vmeaddr & ~(VME_PAGESIZE - 1); 405 /* base of last mapped page */ 406 vmeend = (vmeaddr + len - 1) & ~(VME_PAGESIZE - 1); 407 /* bytes in scatter table required */ 408 maplen = ((vmeend - vmebase) / VME_PAGESIZE + 1) * 4; 409 410 if (extent_alloc(sc->vmeext, maplen, 4, 0, EX_FAST, &first)) 411 return (ENOMEM); 412 413 /* 414 * set up adapter mapping registers 415 */ 416 mapreg = (am << MR_AMOD_SHIFT) | MR_FC_RRAM | swap; 417 418 for (i = first, va = vmebase; 419 i < first + maplen; 420 i += 4, va += VME_PAGESIZE) { 421 write_mapmem(sc, i, mapreg | va); 422 #ifdef BIT3DEBUG 423 printf("mapreg@%lx=%x\n", i, read_mapmem(sc, i)); 424 #endif 425 } 426 427 #ifdef DIAGNOSTIC 428 if (va != vmeend + VME_PAGESIZE) 429 panic("b3_617_map_pci_vme: botch"); 430 #endif 431 /* 432 * map needed range in PCI space 433 */ 434 pcibase = sc->vmepbase + (first - MR_PCI_VME) / 4 * VME_PAGESIZE 435 + (vmeaddr & (VME_PAGESIZE - 1)); 436 437 if ((res = bus_space_map(sc->sc_vmet, pcibase, len, 0, handle))) { 438 for (i = first; i < first + maplen; i += 4) 439 write_mapmem(sc, i, MR_RAM_INVALID); 440 extent_free(sc->vmeext, first, maplen, 0); 441 return (res); 442 } 443 444 *tag = sc->sc_vmet; 445 446 /* 447 * save all data needed for later unmapping 448 */ 449 r = malloc(sizeof(*r), M_DEVBUF, M_NOWAIT); /* XXX check! */ 450 r->handle = *handle; 451 r->len = len; 452 r->firstpage = first; 453 r->maplen = maplen; 454 *resc = r; 455 return (0); 456 } 457 458 void 459 b3_617_unmap_vme(void *vsc, vme_mapresc_t resc) 460 { 461 unsigned long i; 462 struct b3_617_vmeresc *r = resc; 463 464 /* unmap PCI window */ 465 bus_space_unmap(sc->sc_vmet, r->handle, r->len); 466 467 for (i = r->firstpage; i < r->firstpage + r->maplen; i += 4) 468 write_mapmem(sc, i, MR_RAM_INVALID); 469 470 extent_free(sc->vmeext, r->firstpage, r->maplen, 0); 471 472 free(r, M_DEVBUF); 473 } 474 475 int 476 b3_617_vme_probe(void *vsc, vme_addr_t addr, vme_size_t len, vme_am_t am, vme_datasize_t datasize, int (*callback)(void *, bus_space_tag_t, bus_space_handle_t), void *cbarg) 477 { 478 bus_space_tag_t tag; 479 bus_space_handle_t handle; 480 vme_mapresc_t resc; 481 int res, i; 482 volatile u_int32_t dummy; 483 int status; 484 485 res = b3_617_map_vme(vsc, addr, len, am, 0, 0, 486 &tag, &handle, &resc); 487 if (res) 488 return (res); 489 490 if (read_csr_byte(sc, LOC_STATUS) & LSR_ERROR_MASK) { 491 printf("b3_617_vme_badaddr: error bit not clean - resetting\n"); 492 write_csr_byte(sc, LOC_CMD1, LC1_CLR_ERROR); 493 } 494 495 if (callback) 496 res = (*callback)(cbarg, tag, handle); 497 else { 498 for (i = 0; i < len;) { 499 switch (datasize) { 500 case VME_D8: 501 dummy = bus_space_read_1(tag, handle, i); 502 i++; 503 break; 504 case VME_D16: 505 dummy = bus_space_read_2(tag, handle, i); 506 i += 2; 507 break; 508 case VME_D32: 509 dummy = bus_space_read_4(tag, handle, i); 510 i += 4; 511 break; 512 default: 513 panic("b3_617_vme_probe: invalid datasize %x", 514 datasize); 515 } 516 } 517 } 518 519 if ((status = read_csr_byte(sc, LOC_STATUS)) & LSR_ERROR_MASK) { 520 #ifdef BIT3DEBUG 521 printf("b3_617_vme_badaddr: caught error %x\n", status); 522 #endif 523 write_csr_byte(sc, LOC_CMD1, LC1_CLR_ERROR); 524 res = EIO; 525 } 526 527 b3_617_unmap_vme(vsc, resc); 528 return (res); 529 } 530 531 int 532 b3_617_map_vmeint(void *vsc, int level, int vector, vme_intr_handle_t *handlep) 533 { 534 if (!sc->sc_ih) { 535 printf("%s: b3_617_map_vmeint: no IRQ\n", 536 device_xname(sc->sc_dev)); 537 return (ENXIO); 538 } 539 /* 540 * We should check whether the interface can pass this interrupt 541 * level at all, but we don't know much about the jumper setting. 542 */ 543 *handlep = (void *)(long)((level << 8) | vector); /* XXX */ 544 return (0); 545 } 546 547 void * 548 b3_617_establish_vmeint(void *vsc, vme_intr_handle_t handle, int prior, int (*func)(void *), void *arg) 549 { 550 struct b3_617_vmeintrhand *ih; 551 long lv; 552 int s; 553 554 /* no point in sleeping unless someone can free memory. */ 555 ih = malloc(sizeof *ih, M_DEVBUF, cold ? M_NOWAIT : M_WAITOK); 556 if (ih == NULL) 557 panic("b3_617_map_vmeint: can't malloc handler info"); 558 559 lv = (long)handle; /* XXX */ 560 561 ih->ih_fun = func; 562 ih->ih_arg = arg; 563 ih->ih_level = lv >> 8; 564 ih->ih_vector = lv & 0xff; 565 ih->ih_prior = prior; 566 ih->ih_count = 0; 567 568 s = splhigh(); 569 TAILQ_INSERT_TAIL(&(sc->intrhdls), ih, ih_next); 570 splx(s); 571 572 return (ih); 573 } 574 575 void 576 b3_617_disestablish_vmeint(void *vsc, void *cookie) 577 { 578 struct b3_617_vmeintrhand *ih = cookie; 579 int s; 580 581 if (!ih) { 582 printf("b3_617_unmap_vmeint: NULL arg\n"); 583 return; 584 } 585 586 s = splhigh(); 587 TAILQ_REMOVE(&(sc->intrhdls), ih, ih_next); 588 splx(s); 589 590 free(ih, M_DEVBUF); 591 } 592 593 int 594 b3_617_intr(void *vsc) 595 { 596 int handled = 0; 597 598 /* follows ch. 5.5.5 (reordered for speed) */ 599 while (read_csr_byte(sc, LOC_INT_CTRL) & LIC_INT_PENDING) { 600 unsigned char lstat; 601 602 handled = 1; 603 604 /* no error interrupts! */ 605 606 lstat = read_csr_byte(sc, LDMA_CMD); 607 if ((lstat & LDC_DMA_DONE) && (lstat & LDC_DMA_INT_ENABLE)) { 608 /* DMA done indicator flag */ 609 write_csr_byte(sc, LDMA_CMD, lstat & (~LDC_DMA_DONE)); 610 #if 0 611 b3_617_cntlrdma_done(sc); 612 #endif 613 continue; 614 } 615 616 lstat = read_csr_byte(sc, LOC_INT_STATUS); 617 if (lstat & LIS_CINT_MASK) { 618 /* VME backplane interrupt, ch. 5.5.3 */ 619 b3_617_vmeintr(sc, lstat); 620 } 621 622 /* for now, ignore "mailbox interrupts" */ 623 624 lstat = read_csr_byte(sc, LOC_STATUS); 625 if (lstat & LSR_PR_STATUS) { 626 /* PR interrupt received from REMOTE */ 627 write_csr_byte(sc, LOC_CMD1, LC1_CLR_PR_INT); 628 continue; 629 } 630 631 lstat = read_csr_byte(sc, REM_STATUS); 632 if (lstat & RSR_PT_STATUS) { 633 /* PT interrupt is set */ 634 write_csr_byte(sc, REM_CMD1, RC1_CLR_PT_INT); 635 continue; 636 } 637 } 638 return (handled); 639 } 640 641 int 642 b3_617_dmamap_create(vsc, len, am, datasize, swap, 643 nsegs, segsz, bound, 644 flags, mapp) 645 void *vsc; 646 vme_size_t len; 647 vme_am_t am; 648 vme_datasize_t datasize; 649 vme_swap_t swap; 650 int nsegs; 651 vme_size_t segsz; 652 vme_addr_t bound; 653 int flags; 654 bus_dmamap_t *mapp; 655 { 656 return (EINVAL); 657 } 658 659 void 660 b3_617_dmamap_destroy(void *vsc, bus_dmamap_t map) 661 { 662 } 663 664 int 665 b3_617_dmamem_alloc(vsc, len, am, datasizes, swap, 666 segs, nsegs, rsegs, flags) 667 void *vsc; 668 vme_size_t len; 669 vme_am_t am; 670 vme_datasize_t datasizes; 671 vme_swap_t swap; 672 bus_dma_segment_t *segs; 673 int nsegs; 674 int *rsegs; 675 int flags; 676 { 677 return (EINVAL); 678 } 679 680 void 681 b3_617_dmamem_free(void *vsc, bus_dma_segment_t *segs, int nsegs) 682 { 683 } 684 685 #undef sc 686
Indexes created Wed Oct 01 07:09:59 GMT 2025