1 /* $NetBSD: vrpciu.c,v 1.24 2021/08/07 16:18:54 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Enami Tsugutomo. 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 REGENTS 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 REGENTS 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/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: vrpciu.c,v 1.24 2021/08/07 16:18:54 thorpej Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 36 #include <machine/bus.h> 37 #include <machine/bus_space_hpcmips.h> 38 #include <machine/bus_dma_hpcmips.h> 39 #include <machine/config_hook.h> 40 #include <machine/platid.h> 41 #include <machine/platid_mask.h> 42 43 #include <dev/pci/pcivar.h> 44 #include <dev/pci/pcidevs.h> 45 #include <dev/pci/pciidereg.h> 46 47 #include <hpcmips/vr/icureg.h> 48 #include <hpcmips/vr/vripif.h> 49 #include <hpcmips/vr/vrpciureg.h> 50 51 #include "pci.h" 52 53 #ifdef DEBUG 54 #define DPRINTF(args) printf args 55 #else 56 #define DPRINTF(args) 57 #endif 58 59 struct vrpciu_softc { 60 device_t sc_dev; 61 62 vrip_chipset_tag_t sc_vc; 63 bus_space_tag_t sc_iot; 64 bus_space_handle_t sc_ioh; 65 void *sc_ih; 66 67 struct vrc4173bcu_softc *sc_bcu; /* vrc4173bcu */ 68 69 struct hpcmips_pci_chipset sc_pc; 70 }; 71 72 static void vrpciu_write(struct vrpciu_softc *, int, u_int32_t); 73 static u_int32_t 74 vrpciu_read(struct vrpciu_softc *, int); 75 #ifdef DEBUG 76 static void vrpciu_write_2(struct vrpciu_softc *, int, u_int16_t) 77 __attribute__((unused)); 78 static u_int16_t 79 vrpciu_read_2(struct vrpciu_softc *, int); 80 #endif 81 static int vrpciu_match(device_t, cfdata_t, void *); 82 static void vrpciu_attach(device_t, device_t, void *); 83 static int vrpciu_intr(void *); 84 static void vrpciu_attach_hook(device_t, device_t, 85 struct pcibus_attach_args *); 86 static int vrpciu_bus_maxdevs(pci_chipset_tag_t, int); 87 static int vrpciu_bus_devorder(pci_chipset_tag_t, int, uint8_t *, int); 88 static pcitag_t vrpciu_make_tag(pci_chipset_tag_t, int, int, int); 89 static void vrpciu_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *, 90 int *); 91 static pcireg_t vrpciu_conf_read(pci_chipset_tag_t, pcitag_t, int); 92 static void vrpciu_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 93 static int vrpciu_intr_map(const struct pci_attach_args *, pci_intr_handle_t *); 94 static const char *vrpciu_intr_string(pci_chipset_tag_t, pci_intr_handle_t, 95 char *, size_t); 96 static const struct evcnt *vrpciu_intr_evcnt(pci_chipset_tag_t, 97 pci_intr_handle_t); 98 static void *vrpciu_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, 99 int, int (*)(void *), void *); 100 static void vrpciu_intr_disestablish(pci_chipset_tag_t, void *); 101 102 CFATTACH_DECL_NEW(vrpciu, sizeof(struct vrpciu_softc), 103 vrpciu_match, vrpciu_attach, NULL, NULL); 104 105 static void 106 vrpciu_write(struct vrpciu_softc *sc, int offset, u_int32_t val) 107 { 108 109 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val); 110 } 111 112 static u_int32_t 113 vrpciu_read(struct vrpciu_softc *sc, int offset) 114 { 115 116 return (bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset)); 117 } 118 119 #ifdef DEBUG 120 static void 121 vrpciu_write_2(struct vrpciu_softc *sc, int offset, u_int16_t val) 122 { 123 124 bus_space_write_2(sc->sc_iot, sc->sc_ioh, offset, val); 125 } 126 127 static u_int16_t 128 vrpciu_read_2(struct vrpciu_softc *sc, int offset) 129 { 130 131 return (bus_space_read_2(sc->sc_iot, sc->sc_ioh, offset)); 132 } 133 #endif 134 135 static int 136 vrpciu_match(device_t parent, cfdata_t match, void *aux) 137 { 138 139 return (1); 140 } 141 142 static void 143 vrpciu_attach(device_t parent, device_t self, void *aux) 144 { 145 struct vrpciu_softc *sc = device_private(self); 146 pci_chipset_tag_t pc = &sc->sc_pc; 147 struct vrip_attach_args *va = aux; 148 #if defined(DEBUG) || NPCI > 0 149 u_int32_t reg; 150 #endif 151 #if NPCI > 0 152 struct bus_space_tag_hpcmips *iot; 153 char tmpbuf[16]; 154 struct pcibus_attach_args pba; 155 #endif 156 157 sc->sc_dev = self; 158 sc->sc_vc = va->va_vc; 159 sc->sc_iot = va->va_iot; 160 if (bus_space_map(sc->sc_iot, va->va_addr, va->va_size, 0, 161 &sc->sc_ioh)) { 162 printf(": couldn't map io space\n"); 163 return; 164 } 165 166 sc->sc_ih = vrip_intr_establish(va->va_vc, va->va_unit, 0, IPL_TTY, 167 vrpciu_intr, sc); 168 if (sc->sc_ih == NULL) { 169 printf(": couldn't establish interrupt\n"); 170 return; 171 } 172 173 /* Enable level 2 interrupt */ 174 vrip_intr_setmask2(va->va_vc, sc->sc_ih, PCIINT_INT0, 1); 175 176 printf("\n"); 177 178 #ifdef DEBUG 179 #define DUMP_MAW(sc, name, reg) do { \ 180 printf("%s: %s =\t0x%08x\n", device_xname((sc)->sc_dev), \ 181 (name), (reg)); \ 182 printf("%s:\tIBA/MASK =\t0x%08x/0x%08x (0x%08x - 0x%08x)\n", \ 183 device_xname((sc)->sc_dev), \ 184 reg & VRPCIU_MAW_IBAMASK, VRPCIU_MAW_ADDRMASK(reg), \ 185 VRPCIU_MAW_ADDR(reg), \ 186 VRPCIU_MAW_ADDR(reg) + VRPCIU_MAW_SIZE(reg)); \ 187 printf("%s:\tWINEN =\t0x%08x\n", device_xname((sc)->sc_dev), \ 188 reg & VRPCIU_MAW_WINEN); \ 189 printf("%s:\tPCIADR =\t0x%08x\n", device_xname((sc)->sc_dev), \ 190 VRPCIU_MAW_PCIADDR(reg)); \ 191 } while (0) 192 #define DUMP_TAW(sc, name, reg) do { \ 193 printf("%s: %s =\t\t0x%08x\n", device_xname((sc)->sc_dev), \ 194 (name), (reg)); \ 195 printf("%s:\tMASK =\t0x%08x\n", device_xname((sc)->sc_dev), \ 196 VRPCIU_TAW_ADDRMASK(reg)); \ 197 printf("%s:\tWINEN =\t0x%08x\n", device_xname((sc)->sc_dev), \ 198 reg & VRPCIU_TAW_WINEN); \ 199 printf("%s:\tIBA =\t0x%08x\n", device_xname((sc)->sc_dev), \ 200 VRPCIU_TAW_IBA(reg)); \ 201 } while (0) 202 reg = vrpciu_read(sc, VRPCIU_MMAW1REG); 203 DUMP_MAW(sc, "MMAW1", reg); 204 reg = vrpciu_read(sc, VRPCIU_MMAW2REG); 205 DUMP_MAW(sc, "MMAW2", reg); 206 reg = vrpciu_read(sc, VRPCIU_TAW1REG); 207 DUMP_TAW(sc, "TAW1", reg); 208 reg = vrpciu_read(sc, VRPCIU_TAW2REG); 209 DUMP_TAW(sc, "TAW2", reg); 210 reg = vrpciu_read(sc, VRPCIU_MIOAWREG); 211 DUMP_MAW(sc, "MIOAW", reg); 212 printf("%s: BUSERRAD =\t0x%08x\n", device_xname(sc->sc_dev), 213 vrpciu_read(sc, VRPCIU_BUSERRADREG)); 214 printf("%s: INTCNTSTA =\t0x%08x\n", device_xname(sc->sc_dev), 215 vrpciu_read(sc, VRPCIU_INTCNTSTAREG)); 216 printf("%s: EXACC =\t0x%08x\n", device_xname(sc->sc_dev), 217 vrpciu_read(sc, VRPCIU_EXACCREG)); 218 printf("%s: RECONT =\t0x%08x\n", device_xname(sc->sc_dev), 219 vrpciu_read(sc, VRPCIU_RECONTREG)); 220 printf("%s: PCIEN =\t0x%08x\n", device_xname(sc->sc_dev), 221 vrpciu_read(sc, VRPCIU_ENREG)); 222 printf("%s: CLOCKSEL =\t0x%08x\n", device_xname(sc->sc_dev), 223 vrpciu_read(sc, VRPCIU_CLKSELREG)); 224 printf("%s: TRDYV =\t0x%08x\n", device_xname(sc->sc_dev), 225 vrpciu_read(sc, VRPCIU_TRDYVREG)); 226 printf("%s: CLKRUN =\t0x%08x\n", device_xname(sc->sc_dev), 227 vrpciu_read_2(sc, VRPCIU_CLKRUNREG)); 228 printf("%s: IDREG =\t0x%08x\n", device_xname(sc->sc_dev), 229 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_ID_REG)); 230 reg = vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_COMMAND_STATUS_REG); 231 printf("%s: CSR =\t\t0x%08x\n", device_xname(sc->sc_dev), reg); 232 vrpciu_write(sc, VRPCIU_CONF_BASE + PCI_COMMAND_STATUS_REG, reg); 233 printf("%s: CSR =\t\t0x%08x\n", device_xname(sc->sc_dev), 234 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_COMMAND_STATUS_REG)); 235 printf("%s: CLASS =\t0x%08x\n", device_xname(sc->sc_dev), 236 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_CLASS_REG)); 237 printf("%s: BHLC =\t\t0x%08x\n", device_xname(sc->sc_dev), 238 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_BHLC_REG)); 239 printf("%s: MAIL =\t\t0x%08x\n", device_xname(sc->sc_dev), 240 vrpciu_read(sc, VRPCIU_CONF_BASE + VRPCIU_CONF_MAILREG)); 241 printf("%s: MBA1 =\t\t0x%08x\n", device_xname(sc->sc_dev), 242 vrpciu_read(sc, VRPCIU_CONF_BASE + VRPCIU_CONF_MBA1REG)); 243 printf("%s: MBA2 =\t\t0x%08x\n", device_xname(sc->sc_dev), 244 vrpciu_read(sc, VRPCIU_CONF_BASE + VRPCIU_CONF_MBA2REG)); 245 printf("%s: INTR =\t\t0x%08x\n", device_xname(sc->sc_dev), 246 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG)); 247 #if 0 248 vrpciu_write(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG, 249 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG) | 0x01); 250 printf("%s: INTR =\t\t0x%08x\n", device_xname(sc->sc_dev), 251 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG)); 252 #endif 253 #endif 254 255 pc->pc_dev = sc->sc_dev; 256 pc->pc_attach_hook = vrpciu_attach_hook; 257 pc->pc_bus_maxdevs = vrpciu_bus_maxdevs; 258 pc->pc_bus_devorder = vrpciu_bus_devorder; 259 pc->pc_make_tag = vrpciu_make_tag; 260 pc->pc_decompose_tag = vrpciu_decompose_tag; 261 pc->pc_conf_read = vrpciu_conf_read; 262 pc->pc_conf_write = vrpciu_conf_write; 263 pc->pc_intr_map = vrpciu_intr_map; 264 pc->pc_intr_string = vrpciu_intr_string; 265 pc->pc_intr_evcnt = vrpciu_intr_evcnt; 266 pc->pc_intr_establish = vrpciu_intr_establish; 267 pc->pc_intr_disestablish = vrpciu_intr_disestablish; 268 269 #if 0 270 { 271 int i; 272 273 for (i = 0; i < 8; i++) 274 printf("%s: ID_REG(0, 0, %d) = 0x%08x\n", 275 device_xname(sc->sc_dev), i, 276 pci_conf_read(pc, pci_make_tag(pc, 0, 0, i), 277 PCI_ID_REG)); 278 } 279 #endif 280 281 #if NPCI > 0 282 memset(&pba, 0, sizeof(pba)); 283 284 /* For now, just inherit window mappings set by WinCE. XXX. */ 285 286 iot = hpcmips_alloc_bus_space_tag(); 287 reg = vrpciu_read(sc, VRPCIU_MIOAWREG); 288 snprintf(tmpbuf, sizeof(tmpbuf), "%s/iot", 289 device_xname(sc->sc_dev)); 290 hpcmips_init_bus_space(iot, (struct bus_space_tag_hpcmips *)sc->sc_iot, 291 tmpbuf, VRPCIU_MAW_ADDR(reg), VRPCIU_MAW_SIZE(reg)); 292 pba.pba_iot = &iot->bst; 293 294 /* 295 * Just use system bus space tag. It works since WinCE maps 296 * PCI bus space at same offset. But this isn't right thing 297 * of course. XXX. 298 */ 299 pba.pba_memt = sc->sc_iot; 300 pba.pba_dmat = &hpcmips_default_bus_dma_tag.bdt; 301 pba.pba_dmat64 = NULL; 302 pba.pba_bus = 0; 303 pba.pba_bridgetag = NULL; 304 305 if (platid_match(&platid, &platid_mask_MACH_LASER5_L_BOARD)) { 306 /* 307 * fix PCI device configuration for L-Router. 308 */ 309 /* change IDE controller to native mode */ 310 reg = pci_conf_read(pc, pci_make_tag(pc, 0, 16, 0), 311 PCI_CLASS_REG); 312 reg |= PCIIDE_INTERFACE_PCI(0) << PCI_INTERFACE_SHIFT; 313 reg |= PCIIDE_INTERFACE_PCI(1) << PCI_INTERFACE_SHIFT; 314 pci_conf_write(pc, pci_make_tag(pc, 0, 16, 0), PCI_CLASS_REG, 315 reg); 316 /* fix broken BAR setting of fxp0, fxp1 */ 317 pci_conf_write(pc, pci_make_tag(pc, 0, 0, 0), PCI_MAPREG_START, 318 0x11100000); 319 pci_conf_write(pc, pci_make_tag(pc, 0, 1, 0), PCI_MAPREG_START, 320 0x11200000); 321 } 322 323 pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY | 324 PCI_FLAGS_MRL_OKAY; 325 pba.pba_pc = pc; 326 327 config_found(self, &pba, pcibusprint, CFARGS_NONE); 328 #endif 329 } 330 331 /* 332 * Handle PCI error interrupts. 333 */ 334 int 335 vrpciu_intr(void *arg) 336 { 337 struct vrpciu_softc *sc = (struct vrpciu_softc *)arg; 338 u_int32_t isr, baddr; 339 340 isr = vrpciu_read(sc, VRPCIU_INTCNTSTAREG); 341 baddr = vrpciu_read(sc, VRPCIU_BUSERRADREG); 342 printf("%s: status=0x%08x bad addr=0x%08x\n", 343 device_xname(sc->sc_dev), isr, baddr); 344 return ((isr & 0x0f) ? 1 : 0); 345 } 346 347 void 348 vrpciu_attach_hook(device_t parent, device_t self, 349 struct pcibus_attach_args *pba) 350 { 351 352 return; 353 } 354 355 int 356 vrpciu_bus_maxdevs(pci_chipset_tag_t pc, int busno) 357 { 358 359 return (32); 360 } 361 362 int 363 vrpciu_bus_devorder(pci_chipset_tag_t pc, int busno, uint8_t *devs, int maxdevs) 364 { 365 int dev, i, n; 366 uint8_t *devn; 367 char priorities[32]; 368 static pcireg_t ids[] = { 369 /* these devices should be attached first */ 370 PCI_ID_CODE(PCI_VENDOR_NEC, PCI_PRODUCT_NEC_VRC4173_BCU), 371 }; 372 373 n = MIN(32, maxdevs); 374 if (n <= 0) 375 return 0; 376 377 devn = devs + n; 378 379 /* scan PCI devices and check the id table */ 380 memset(priorities, 0, sizeof(priorities)); 381 for (dev = 0; dev < 32; dev++) { 382 pcireg_t id; 383 id = pci_conf_read(pc, pci_make_tag(pc, 0, dev, 0), PCI_ID_REG); 384 for (i = 0; i < __arraycount(ids); i++) 385 if (id == ids[i]) 386 priorities[dev] = 1; 387 } 388 389 /* fill order array */ 390 for (i = 1; 0 <= i; i--) { 391 for (dev = 0; dev < 32; dev++) { 392 if (priorities[dev] == i && devs != devn) 393 *devs++ = dev; 394 } 395 } 396 397 return n; 398 } 399 400 pcitag_t 401 vrpciu_make_tag(pci_chipset_tag_t pc, int bus, int device, int function) 402 { 403 404 return ((bus << 16) | (device << 11) | (function << 8)); 405 } 406 407 void 408 vrpciu_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, int *dp, 409 int *fp) 410 { 411 412 if (bp != NULL) 413 *bp = (tag >> 16) & 0xff; 414 if (dp != NULL) 415 *dp = (tag >> 11) & 0x1f; 416 if (fp != NULL) 417 *fp = (tag >> 8) & 0x07; 418 } 419 420 pcireg_t 421 vrpciu_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) 422 { 423 struct vrpciu_softc *sc = device_private(pc->pc_dev); 424 u_int32_t val; 425 int bus, device, function; 426 427 if ((unsigned int)reg >= PCI_CONF_SIZE) 428 return ((pcireg_t) -1); 429 430 pci_decompose_tag(pc, tag, &bus, &device, &function); 431 if (bus == 0) { 432 if (device > 21) 433 return ((pcitag_t)-1); 434 tag = (1 << (device + 11)) | (function << 8); /* Type 0 */ 435 } else 436 tag |= VRPCIU_CONF_TYPE1; 437 438 vrpciu_write(sc, VRPCIU_CONFAREG, tag | reg); 439 val = vrpciu_read(sc, VRPCIU_CONFDREG); 440 #if 0 441 printf("%s: conf_read: tag = 0x%08x, reg = 0x%x, val = 0x%08x\n", 442 device_xname(sc->sc_dev), (u_int32_t)tag, reg, val); 443 #endif 444 return (val); 445 } 446 447 void 448 vrpciu_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, 449 pcireg_t data) 450 { 451 struct vrpciu_softc *sc = device_private(pc->pc_dev); 452 int bus, device, function; 453 454 #if 0 455 printf("%s: conf_write: tag = 0x%08x, reg = 0x%x, val = 0x%08x\n", 456 device_xname(sc->sc_dev), (u_int32_t)tag, reg, (u_int32_t)data); 457 #endif 458 459 if ((unsigned int)reg >= PCI_CONF_SIZE) 460 return; 461 462 vrpciu_decompose_tag(pc, tag, &bus, &device, &function); 463 if (bus == 0) { 464 if (device > 21) 465 return; 466 tag = (1 << (device + 11)) | (function << 8); /* Type 0 */ 467 } else 468 tag |= VRPCIU_CONF_TYPE1; 469 470 vrpciu_write(sc, VRPCIU_CONFAREG, tag | reg); 471 vrpciu_write(sc, VRPCIU_CONFDREG, data); 472 } 473 474 int 475 vrpciu_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp) 476 { 477 pci_chipset_tag_t pc = pa->pa_pc; 478 pcitag_t intrtag = pa->pa_intrtag; 479 int bus, dev, func; 480 #ifdef DEBUG 481 int line = pa->pa_intrline; 482 int pin = pa->pa_intrpin; 483 #endif 484 485 pci_decompose_tag(pc, intrtag, &bus, &dev, &func); 486 DPRINTF(("%s(%d, %d, %d): line = %d, pin = %d\n", device_xname(pc->pc_dev), 487 bus, dev, func, line, pin)); 488 489 *ihp = CONFIG_HOOK_PCIINTR_ID(bus, dev, func); 490 491 return (0); 492 } 493 494 const char * 495 vrpciu_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih, char *buf, 496 size_t len) 497 { 498 snprintf(buf, len, "pciintr %d:%d:%d", 499 CONFIG_HOOK_PCIINTR_BUS((int)ih), 500 CONFIG_HOOK_PCIINTR_DEVICE((int)ih), 501 CONFIG_HOOK_PCIINTR_FUNCTION((int)ih)); 502 503 return buf; 504 } 505 506 const struct evcnt * 507 vrpciu_intr_evcnt(pci_chipset_tag_t pc, pci_intr_handle_t ih) 508 { 509 510 /* XXX for now, no evcnt parent reported */ 511 512 return (NULL); 513 } 514 515 void * 516 vrpciu_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, 517 int (*func)(void *), void *arg) 518 { 519 520 if (ih == -1) 521 return (NULL); 522 DPRINTF(("vrpciu_intr_establish: %lx\n", ih)); 523 524 return (config_hook(CONFIG_HOOK_PCIINTR, ih, CONFIG_HOOK_EXCLUSIVE, 525 (int (*)(void *, int, long, void *))func, arg)); 526 } 527 528 void 529 vrpciu_intr_disestablish(pci_chipset_tag_t pc, void *cookie) 530 { 531 532 DPRINTF(("vrpciu_intr_disestablish: %p\n", cookie)); 533 config_unhook(cookie); 534 } 535