btvmei.c revision 1.27
1 /* $NetBSD: btvmei.c,v 1.27 2012/01/27 18:53:08 para 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 1.27 2012/01/27 18:53:08 para 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(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 int rev; 94 95 pci_intr_handle_t ih; 96 const char *intrstr; 97 struct vmebus_attach_args vaa; 98 99 aprint_naive(": VME bus adapter\n"); 100 101 sc->sc_pc = pc; 102 sc->sc_dmat = pa->pa_dmat; 103 104 rev = PCI_REVISION(pci_conf_read(pc, pa->pa_tag, PCI_CLASS_REG)); 105 aprint_normal(": BIT3 PCI-VME 617 rev %d\n", rev); 106 107 /* 108 * Map CSR and mapping table spaces. 109 * Don't map VME window; parts are mapped as needed to 110 * save kernel virtual memory space 111 */ 112 if (pci_mapreg_map(pa, 0x14, 113 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 114 0, &sc->csrt, &sc->csrh, NULL, NULL) && 115 pci_mapreg_map(pa, 0x10, 116 PCI_MAPREG_TYPE_IO, 117 0, &sc->csrt, &sc->csrh, NULL, NULL)) { 118 aprint_error_dev(self, "can't map CSR space\n"); 119 return; 120 } 121 122 if (pci_mapreg_map(pa, 0x18, 123 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 124 0, &sc->mapt, &sc->maph, NULL, NULL)) { 125 aprint_error_dev(self, "can't map map space\n"); 126 return; 127 } 128 129 if (pci_mapreg_info(pc, pa->pa_tag, 0x1c, 130 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 131 &sc->vmepbase, 0, 0)) { 132 aprint_error_dev(self, "can't get VME range\n"); 133 return; 134 } 135 sc->sc_vmet = pa->pa_memt; /* XXX needed for VME mappings */ 136 137 /* Map and establish the interrupt. */ 138 if (pci_intr_map(pa, &ih)) { 139 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 140 return; 141 } 142 intrstr = pci_intr_string(pc, ih); 143 /* 144 * Use a low interrupt level (the lowest?). 145 * We will raise before calling a subdevice's handler. 146 */ 147 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, b3_617_intr, sc); 148 if (sc->sc_ih == NULL) { 149 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 150 if (intrstr != NULL) 151 aprint_error(" at %s", intrstr); 152 aprint_error("\n"); 153 return; 154 } 155 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 156 157 if (b3_617_init(sc)) 158 return; 159 160 /* 161 * set up all the tags for use by VME devices 162 */ 163 sc->sc_vct.cookie = self; 164 sc->sc_vct.vct_probe = b3_617_vme_probe; 165 sc->sc_vct.vct_map = b3_617_map_vme; 166 sc->sc_vct.vct_unmap = b3_617_unmap_vme; 167 sc->sc_vct.vct_int_map = b3_617_map_vmeint; 168 sc->sc_vct.vct_int_establish = b3_617_establish_vmeint; 169 sc->sc_vct.vct_int_disestablish = b3_617_disestablish_vmeint; 170 sc->sc_vct.vct_dmamap_create = b3_617_dmamap_create; 171 sc->sc_vct.vct_dmamap_destroy = b3_617_dmamap_destroy; 172 sc->sc_vct.vct_dmamem_alloc = b3_617_dmamem_alloc; 173 sc->sc_vct.vct_dmamem_free = b3_617_dmamem_free; 174 175 vaa.va_vct = &(sc->sc_vct); 176 vaa.va_bdt = pa->pa_dmat; 177 vaa.va_slaveconfig = b3_617_slaveconfig; 178 179 sc->csrwindow.offset = -1; 180 sc->dmawindow24.offset = -1; 181 sc->dmawindow32.offset = -1; 182 config_found(self, &vaa, 0); 183 } 184 185 #ifdef notyet 186 static int 187 b3_617_detach(device_t dev) 188 { 189 struct b3_617_softc *sc = device_private(dev); 190 191 b3_617_halt(sc); 192 193 if (sc->sc_ih) 194 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 195 196 bus_space_unmap(sc->sc_bc, sc->csrbase, 32); 197 bus_space_unmap(sc->sc_bc, sc->mapbase, 64*1024); 198 199 return(0); 200 } 201 #endif 202 203 void 204 b3_617_slaveconfig(device_t dev, struct vme_attach_args *va) 205 { 206 struct b3_617_softc *sc = device_private(dev); 207 vme_chipset_tag_t vmect; 208 int i, res; 209 const char *name = 0; /* XXX gcc! */ 210 211 vmect = &sc->sc_vct; 212 if (!va) 213 goto freeit; 214 215 #ifdef DIAGNOSTIC 216 if (vmect != va->va_vct) 217 panic("pcivme_slaveconfig: chipset tag?"); 218 #endif 219 220 for (i = 0; i < va->numcfranges; i++) { 221 res = vme_space_alloc(vmect, va->r[i].offset, 222 va->r[i].size, va->r[i].am); 223 if (res) 224 panic("%s: can't alloc slave window %x/%x/%x", 225 device_xname(dev), va->r[i].offset, 226 va->r[i].size, va->r[i].am); 227 228 switch (va->r[i].am & VME_AM_ADRSIZEMASK) { 229 /* structure assignments! */ 230 case VME_AM_A16: 231 sc->csrwindow = va->r[i]; 232 name = "VME CSR"; 233 break; 234 case VME_AM_A24: 235 sc->dmawindow24 = va->r[i]; 236 name = "A24 DMA"; 237 break; 238 case VME_AM_A32: 239 sc->dmawindow32 = va->r[i]; 240 name = "A32 DMA"; 241 break; 242 } 243 printf("%s: %s window: %x-%x\n", device_xname(dev), 244 name, va->r[i].offset, 245 va->r[i].offset + va->r[i].size - 1); 246 } 247 return; 248 249 freeit: 250 if (sc->csrwindow.offset != -1) 251 vme_space_free(vmect, sc->csrwindow.offset, 252 sc->csrwindow.size, sc->csrwindow.am); 253 if (sc->dmawindow32.offset != -1) 254 vme_space_free(vmect, sc->dmawindow32.offset, 255 sc->dmawindow32.size, sc->dmawindow32.am); 256 if (sc->dmawindow24.offset != -1) 257 vme_space_free(vmect, sc->dmawindow24.offset, 258 sc->dmawindow24.size, sc->dmawindow24.am); 259 } 260 261 int 262 b3_617_reset(struct b3_617_softc *sc) 263 { 264 unsigned char status; 265 266 /* reset sequence, ch 5.2 */ 267 status = read_csr_byte(sc, LOC_STATUS); 268 if (status & LSR_NO_CONNECT) { 269 printf("%s: not connected\n", device_xname(&sc->sc_dev)); 270 return (-1); 271 } 272 status = read_csr_byte(sc, REM_STATUS); /* discard */ 273 write_csr_byte(sc, LOC_CMD1, LC1_CLR_ERROR); 274 status = read_csr_byte(sc, LOC_STATUS); 275 if (status & LSR_CERROR_MASK) { 276 char sbuf[sizeof(BIT3_LSR_BITS) + 64]; 277 278 snprintb(sbuf, sizeof(sbuf), BIT3_LSR_BITS, status); 279 printf("%s: interface error, lsr=%s\n", device_xname(&sc->sc_dev), 280 sbuf); 281 return (-1); 282 } 283 return (0); 284 } 285 286 int 287 b3_617_init(struct b3_617_softc *sc) 288 { 289 unsigned int i; 290 291 if (b3_617_reset(sc)) 292 return (-1); 293 294 /* all maps invalid */ 295 for (i = MR_PCI_VME; i < MR_PCI_VME + MR_PCI_VME_SIZE; i += 4) 296 write_mapmem(sc, i, MR_RAM_INVALID); 297 for (i = MR_VME_PCI; i < MR_VME_PCI + MR_VME_PCI_SIZE; i += 4) 298 write_mapmem(sc, i, MR_RAM_INVALID); 299 for (i = MR_DMA_PCI; i < MR_DMA_PCI + MR_DMA_PCI_SIZE; i += 4) 300 write_mapmem(sc, i, MR_RAM_INVALID); 301 302 /* 303 * set up scatter page allocation control 304 */ 305 sc->vmeext = extent_create("pcivme", MR_PCI_VME, 306 MR_PCI_VME + MR_PCI_VME_SIZE - 1, 307 sc->vmemap, sizeof(sc->vmemap), 308 EX_NOCOALESCE); 309 #if 0 310 sc->pciext = extent_create("vmepci", MR_VME_PCI, 311 MR_VME_PCI + MR_VME_PCI_SIZE - 1, 312 sc->pcimap, sizeof(sc->pcimap), 313 EX_NOCOALESCE); 314 sc->dmaext = extent_create("dmapci", MR_DMA_PCI, 315 MR_DMA_PCI + MR_DMA_PCI_SIZE - 1, 316 sc->dmamap, sizeof(sc->dmamap), 317 EX_NOCOALESCE); 318 #endif 319 320 /* 321 * init int handler queue, 322 * enable interrupts if PCI interrupt available 323 */ 324 TAILQ_INIT(&(sc->intrhdls)); 325 sc->strayintrs = 0; 326 327 if (sc->sc_ih) 328 write_csr_byte(sc, LOC_INT_CTRL, LIC_INT_ENABLE); 329 /* no error ints */ 330 write_csr_byte(sc, REM_CMD2, 0); /* enables VME IRQ */ 331 332 return (0); 333 } 334 335 #ifdef notyet /* for detach */ 336 void 337 b3_617_halt(struct b3_617_softc *sc) 338 { 339 /* 340 * because detach code checks for existence of children, 341 * all ressources (mappings, VME IRQs, DMA requests) 342 * should be deallocated at this point 343 */ 344 345 /* disable IRQ */ 346 write_csr_byte(sc, LOC_INT_CTRL, 0); 347 } 348 #endif 349 350 static void 351 b3_617_vmeintr(struct b3_617_softc *sc, unsigned char lstat) 352 { 353 int level; 354 355 for (level = 7; level >= 1; level--) { 356 unsigned char vector; 357 struct b3_617_vmeintrhand *ih; 358 int found; 359 360 if (!(lstat & (1 << level))) 361 continue; 362 363 write_csr_byte(sc, REM_CMD1, level); 364 vector = read_csr_byte(sc, REM_IACK); 365 366 found = 0; 367 368 for (ih = sc->intrhdls.tqh_first; ih; 369 ih = ih->ih_next.tqe_next) { 370 if ((ih->ih_level == level) && 371 ((ih->ih_vector == -1) || 372 (ih->ih_vector == vector))) { 373 int s, res; 374 /* 375 * We should raise the interrupt level 376 * to ih->ih_prior here. How to do this 377 * machine-independently? 378 * To be safe, raise to the maximum. 379 */ 380 s = splhigh(); 381 found |= (res = (*(ih->ih_fun))(ih->ih_arg)); 382 splx(s); 383 if (res) 384 ih->ih_count++; 385 if (res == 1) 386 break; 387 } 388 } 389 if (!found) 390 sc->strayintrs++; 391 } 392 } 393 394 #define sc ((struct b3_617_softc*)vsc) 395 396 int 397 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) 398 { 399 vme_addr_t vmebase, vmeend, va; 400 unsigned long maplen, first, i; 401 u_int32_t mapreg; 402 bus_addr_t pcibase; 403 int res; 404 struct b3_617_vmeresc *r; 405 406 /* first mapped address */ 407 vmebase = vmeaddr & ~(VME_PAGESIZE - 1); 408 /* base of last mapped page */ 409 vmeend = (vmeaddr + len - 1) & ~(VME_PAGESIZE - 1); 410 /* bytes in scatter table required */ 411 maplen = ((vmeend - vmebase) / VME_PAGESIZE + 1) * 4; 412 413 if (extent_alloc(sc->vmeext, maplen, 4, 0, EX_FAST, &first)) 414 return (ENOMEM); 415 416 /* 417 * set up adapter mapping registers 418 */ 419 mapreg = (am << MR_AMOD_SHIFT) | MR_FC_RRAM | swap; 420 421 for (i = first, va = vmebase; 422 i < first + maplen; 423 i += 4, va += VME_PAGESIZE) { 424 write_mapmem(sc, i, mapreg | va); 425 #ifdef BIT3DEBUG 426 printf("mapreg@%lx=%x\n", i, read_mapmem(sc, i)); 427 #endif 428 } 429 430 #ifdef DIAGNOSTIC 431 if (va != vmeend + VME_PAGESIZE) 432 panic("b3_617_map_pci_vme: botch"); 433 #endif 434 /* 435 * map needed range in PCI space 436 */ 437 pcibase = sc->vmepbase + (first - MR_PCI_VME) / 4 * VME_PAGESIZE 438 + (vmeaddr & (VME_PAGESIZE - 1)); 439 440 if ((res = bus_space_map(sc->sc_vmet, pcibase, len, 0, handle))) { 441 for (i = first; i < first + maplen; i += 4) 442 write_mapmem(sc, i, MR_RAM_INVALID); 443 extent_free(sc->vmeext, first, maplen, 0); 444 return (res); 445 } 446 447 *tag = sc->sc_vmet; 448 449 /* 450 * save all data needed for later unmapping 451 */ 452 r = malloc(sizeof(*r), M_DEVBUF, M_NOWAIT); /* XXX check! */ 453 r->handle = *handle; 454 r->len = len; 455 r->firstpage = first; 456 r->maplen = maplen; 457 *resc = r; 458 return (0); 459 } 460 461 void 462 b3_617_unmap_vme(void *vsc, vme_mapresc_t resc) 463 { 464 unsigned long i; 465 struct b3_617_vmeresc *r = resc; 466 467 /* unmap PCI window */ 468 bus_space_unmap(sc->sc_vmet, r->handle, r->len); 469 470 for (i = r->firstpage; i < r->firstpage + r->maplen; i += 4) 471 write_mapmem(sc, i, MR_RAM_INVALID); 472 473 extent_free(sc->vmeext, r->firstpage, r->maplen, 0); 474 475 free(r, M_DEVBUF); 476 } 477 478 int 479 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) 480 { 481 bus_space_tag_t tag; 482 bus_space_handle_t handle; 483 vme_mapresc_t resc; 484 int res, i; 485 volatile u_int32_t dummy; 486 int status; 487 488 res = b3_617_map_vme(vsc, addr, len, am, 0, 0, 489 &tag, &handle, &resc); 490 if (res) 491 return (res); 492 493 if (read_csr_byte(sc, LOC_STATUS) & LSR_ERROR_MASK) { 494 printf("b3_617_vme_badaddr: error bit not clean - resetting\n"); 495 write_csr_byte(sc, LOC_CMD1, LC1_CLR_ERROR); 496 } 497 498 if (callback) 499 res = (*callback)(cbarg, tag, handle); 500 else { 501 for (i = 0; i < len;) { 502 switch (datasize) { 503 case VME_D8: 504 dummy = bus_space_read_1(tag, handle, i); 505 i++; 506 break; 507 case VME_D16: 508 dummy = bus_space_read_2(tag, handle, i); 509 i += 2; 510 break; 511 case VME_D32: 512 dummy = bus_space_read_4(tag, handle, i); 513 i += 4; 514 break; 515 default: 516 panic("b3_617_vme_probe: invalid datasize %x", 517 datasize); 518 } 519 } 520 } 521 522 if ((status = read_csr_byte(sc, LOC_STATUS)) & LSR_ERROR_MASK) { 523 #ifdef BIT3DEBUG 524 printf("b3_617_vme_badaddr: caught error %x\n", status); 525 #endif 526 write_csr_byte(sc, LOC_CMD1, LC1_CLR_ERROR); 527 res = EIO; 528 } 529 530 b3_617_unmap_vme(vsc, resc); 531 return (res); 532 } 533 534 int 535 b3_617_map_vmeint(void *vsc, int level, int vector, vme_intr_handle_t *handlep) 536 { 537 if (!sc->sc_ih) { 538 printf("%s: b3_617_map_vmeint: no IRQ\n", 539 device_xname(&sc->sc_dev)); 540 return (ENXIO); 541 } 542 /* 543 * We should check whether the interface can pass this interrupt 544 * level at all, but we don't know much about the jumper setting. 545 */ 546 *handlep = (void *)(long)((level << 8) | vector); /* XXX */ 547 return (0); 548 } 549 550 void * 551 b3_617_establish_vmeint(void *vsc, vme_intr_handle_t handle, int prior, int (*func)(void *), void *arg) 552 { 553 struct b3_617_vmeintrhand *ih; 554 long lv; 555 int s; 556 557 /* no point in sleeping unless someone can free memory. */ 558 ih = malloc(sizeof *ih, M_DEVBUF, cold ? M_NOWAIT : M_WAITOK); 559 if (ih == NULL) 560 panic("b3_617_map_vmeint: can't malloc handler info"); 561 562 lv = (long)handle; /* XXX */ 563 564 ih->ih_fun = func; 565 ih->ih_arg = arg; 566 ih->ih_level = lv >> 8; 567 ih->ih_vector = lv & 0xff; 568 ih->ih_prior = prior; 569 ih->ih_count = 0; 570 571 s = splhigh(); 572 TAILQ_INSERT_TAIL(&(sc->intrhdls), ih, ih_next); 573 splx(s); 574 575 return (ih); 576 } 577 578 void 579 b3_617_disestablish_vmeint(void *vsc, void *cookie) 580 { 581 struct b3_617_vmeintrhand *ih = cookie; 582 int s; 583 584 if (!ih) { 585 printf("b3_617_unmap_vmeint: NULL arg\n"); 586 return; 587 } 588 589 s = splhigh(); 590 TAILQ_REMOVE(&(sc->intrhdls), ih, ih_next); 591 splx(s); 592 593 free(ih, M_DEVBUF); 594 } 595 596 int 597 b3_617_intr(void *vsc) 598 { 599 int handled = 0; 600 601 /* follows ch. 5.5.5 (reordered for speed) */ 602 while (read_csr_byte(sc, LOC_INT_CTRL) & LIC_INT_PENDING) { 603 unsigned char lstat; 604 605 handled = 1; 606 607 /* no error interrupts! */ 608 609 lstat = read_csr_byte(sc, LDMA_CMD); 610 if ((lstat & LDC_DMA_DONE) && (lstat & LDC_DMA_INT_ENABLE)) { 611 /* DMA done indicator flag */ 612 write_csr_byte(sc, LDMA_CMD, lstat & (~LDC_DMA_DONE)); 613 #if 0 614 b3_617_cntlrdma_done(sc); 615 #endif 616 continue; 617 } 618 619 lstat = read_csr_byte(sc, LOC_INT_STATUS); 620 if (lstat & LIS_CINT_MASK) { 621 /* VME backplane interrupt, ch. 5.5.3 */ 622 b3_617_vmeintr(sc, lstat); 623 } 624 625 /* for now, ignore "mailbox interrupts" */ 626 627 lstat = read_csr_byte(sc, LOC_STATUS); 628 if (lstat & LSR_PR_STATUS) { 629 /* PR interrupt received from REMOTE */ 630 write_csr_byte(sc, LOC_CMD1, LC1_CLR_PR_INT); 631 continue; 632 } 633 634 lstat = read_csr_byte(sc, REM_STATUS); 635 if (lstat & RSR_PT_STATUS) { 636 /* PT interrupt is set */ 637 write_csr_byte(sc, REM_CMD1, RC1_CLR_PT_INT); 638 continue; 639 } 640 } 641 return (handled); 642 } 643 644 int 645 b3_617_dmamap_create(vsc, len, am, datasize, swap, 646 nsegs, segsz, bound, 647 flags, mapp) 648 void *vsc; 649 vme_size_t len; 650 vme_am_t am; 651 vme_datasize_t datasize; 652 vme_swap_t swap; 653 int nsegs; 654 vme_size_t segsz; 655 vme_addr_t bound; 656 int flags; 657 bus_dmamap_t *mapp; 658 { 659 return (EINVAL); 660 } 661 662 void 663 b3_617_dmamap_destroy(void *vsc, bus_dmamap_t map) 664 { 665 } 666 667 int 668 b3_617_dmamem_alloc(vsc, len, am, datasizes, swap, 669 segs, nsegs, rsegs, flags) 670 void *vsc; 671 vme_size_t len; 672 vme_am_t am; 673 vme_datasize_t datasizes; 674 vme_swap_t swap; 675 bus_dma_segment_t *segs; 676 int nsegs; 677 int *rsegs; 678 int flags; 679 { 680 return (EINVAL); 681 } 682 683 void 684 b3_617_dmamem_free(void *vsc, bus_dma_segment_t *segs, int nsegs) 685 { 686 } 687 688 #undef sc 689
Indexes created Wed Oct 01 12:09:54 GMT 2025