vpci.c revision 1.4
1 /* $NetBSD: vpci.c,v 1.4 2015/09/08 04:04:33 palle Exp $ */ 2 /* 3 * Copyright (c) 2015 Palle Lyckegaard 4 * All rights reserved. 5 * 6 * Driver for virtual PCIe host bridge on sun4v systems. 7 * 8 * Based on NetBSD pyro and OpenBSD vpci drivers. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: vpci.c,v 1.4 2015/09/08 04:04:33 palle Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/device.h> 37 #include <sys/errno.h> 38 #include <sys/malloc.h> 39 #include <sys/systm.h> 40 41 #define _SPARC_BUS_DMA_PRIVATE 42 #include <sys/bus.h> 43 #include <machine/autoconf.h> 44 45 #ifdef DDB 46 #include <machine/db_machdep.h> 47 #endif 48 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pcireg.h> 51 52 #include <sparc64/dev/iommureg.h> 53 #include <sparc64/dev/iommuvar.h> 54 #include <sparc64/dev/vpcivar.h> 55 56 #include <machine/hypervisor.h> 57 58 #ifdef DEBUG 59 #define VDB_PROM 0x01 60 #define VDB_BUSMAP 0x02 61 #define VDB_INTR 0x04 62 #define VDB_CONF_READ 0x08 63 #define VDB_CONF_WRITE 0x10 64 #define VDB_CONF VDB_CONF_READ|VDB_CONF_WRITE 65 int vpci_debug = 0x00; 66 #define DPRINTF(l, s) do { if (vpci_debug & l) printf s; } while (0) 67 #else 68 #define DPRINTF(l, s) 69 #endif 70 71 #if 0 72 FIXME 73 #define FIRE_RESET_GEN 0x7010 74 75 #define FIRE_RESET_GEN_XIR 0x0000000000000002L 76 77 #define FIRE_INTRMAP_INT_CNTRL_NUM_MASK 0x000003c0 78 #define FIRE_INTRMAP_INT_CNTRL_NUM0 0x00000040 79 #define FIRE_INTRMAP_INT_CNTRL_NUM1 0x00000080 80 #define FIRE_INTRMAP_INT_CNTRL_NUM2 0x00000100 81 #define FIRE_INTRMAP_INT_CNTRL_NUM3 0x00000200 82 #define FIRE_INTRMAP_T_JPID_SHIFT 26 83 #define FIRE_INTRMAP_T_JPID_MASK 0x7c000000 84 85 #define OBERON_INTRMAP_T_DESTID_SHIFT 21 86 #define OBERON_INTRMAP_T_DESTID_MASK 0x7fe00000 87 #endif 88 89 extern struct sparc_pci_chipset _sparc_pci_chipset; 90 91 int vpci_match(device_t, cfdata_t, void *); 92 void vpci_attach(device_t, device_t, void *); 93 int vpci_print(void *, const char *); 94 95 CFATTACH_DECL_NEW(vpci, sizeof(struct vpci_softc), 96 vpci_match, vpci_attach, NULL, NULL); 97 98 void vpci_init(struct vpci_softc */*FIXME, int*/, struct mainbus_attach_args *); 99 void vpci_init_iommu(struct vpci_softc *, struct vpci_pbm *); 100 pci_chipset_tag_t vpci_alloc_chipset(struct vpci_pbm *, int, 101 pci_chipset_tag_t); 102 bus_space_tag_t vpci_alloc_mem_tag(struct vpci_pbm *); 103 bus_space_tag_t vpci_alloc_io_tag(struct vpci_pbm *); 104 bus_space_tag_t vpci_alloc_config_tag(struct vpci_pbm *); 105 bus_space_tag_t vpci_alloc_bus_tag(struct vpci_pbm *, const char *, int); 106 bus_dma_tag_t vpci_alloc_dma_tag(struct vpci_pbm *); 107 108 #if 0 109 int vpci_conf_size(pci_chipset_tag_t, pcitag_t); 110 #endif 111 pcireg_t vpci_conf_read(pci_chipset_tag_t, pcitag_t, int); 112 void vpci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 113 114 static void * vpci_pci_intr_establish(pci_chipset_tag_t pc, 115 pci_intr_handle_t ih, int level, 116 int (*func)(void *), void *arg); 117 118 int vpci_intr_map(const struct pci_attach_args *, pci_intr_handle_t *); 119 int vpci_bus_map(bus_space_tag_t, bus_addr_t, 120 bus_size_t, int, vaddr_t, bus_space_handle_t *); 121 paddr_t vpci_bus_mmap(bus_space_tag_t, bus_addr_t, off_t, 122 int, int); 123 void *vpci_intr_establish(bus_space_tag_t, int, int, 124 int (*)(void *), void *, void (*)(void)); 125 126 int vpci_dmamap_create(bus_dma_tag_t, bus_size_t, int, 127 bus_size_t, bus_size_t, int, bus_dmamap_t *); 128 129 int 130 vpci_match(device_t parent, cfdata_t match, void *aux) 131 { 132 struct mainbus_attach_args *ma = aux; 133 char compat[32]; 134 135 if (strcmp(ma->ma_name, "pci") != 0) 136 return (0); 137 138 if (OF_getprop(ma->ma_node, "compatible", compat, sizeof(compat)) == -1) 139 return (0); 140 141 if (strcmp(compat, "SUNW,sun4v-pci") == 0) 142 return (1); 143 144 return (0); 145 } 146 147 void 148 vpci_attach(device_t parent, device_t self, void *aux) 149 { 150 struct vpci_softc *sc = device_private(self); 151 struct mainbus_attach_args *ma = aux; 152 #if 0 153 FIXME 154 char *str; 155 int busa; 156 #endif 157 sc->sc_dev = self; 158 sc->sc_node = ma->ma_node; 159 sc->sc_dmat = ma->ma_dmatag; 160 sc->sc_bustag = ma->ma_bustag; 161 sc->sc_csr = ma->ma_reg[0].ur_paddr; 162 #if 0 163 FIXME 164 sc->sc_xbc = ma->ma_reg[1].ur_paddr; 165 sc->sc_ign = INTIGN(ma->ma_upaid << INTMAP_IGN_SHIFT); 166 167 if ((ma->ma_reg[0].ur_paddr & 0x00700000) == 0x00600000) 168 busa = 1; 169 else 170 busa = 0; 171 #endif 172 #if 0 173 FIXME 174 if (bus_space_map(sc->sc_bustag, sc->sc_csr, 175 ma->ma_reg[0].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_csrh)) { 176 printf(": failed to map csr registers\n"); 177 return; 178 } 179 #endif 180 #if 0 181 FIXME 182 if (bus_space_map(sc->sc_bustag, sc->sc_xbc, 183 ma->ma_reg[1].ur_len, 0, &sc->sc_xbch)) { 184 printf(": failed to map xbc registers\n"); 185 return; 186 } 187 188 str = prom_getpropstring(ma->ma_node, "compatible"); 189 if (strcmp(str, "pciex108e,80f8") == 0) 190 sc->sc_oberon = 1; 191 192 #endif 193 vpci_init(sc/*FIXME, busa*/, ma); 194 } 195 196 void 197 vpci_init(struct vpci_softc *sc/*FIXME, int busa*/, struct mainbus_attach_args *ma) 198 { 199 struct vpci_pbm *pbm; 200 struct pcibus_attach_args pba; 201 int *busranges = NULL, nranges; 202 203 pbm = malloc(sizeof(*pbm), M_DEVBUF, M_NOWAIT | M_ZERO); 204 if (pbm == NULL) 205 panic("vpci: can't alloc vpci pbm"); 206 207 pbm->vp_sc = sc; 208 pbm->vp_devhandle = (ma->ma_reg[0].ur_paddr >> 32) & 0x0fffffff; 209 #if 0 210 FiXME 211 pbm->vp_bus_a = busa; 212 #endif 213 214 if (prom_getprop(sc->sc_node, "ranges", sizeof(struct vpci_range), 215 &pbm->vp_nrange, (void **)&pbm->vp_range)) 216 panic("vpci: can't get ranges"); 217 for (int range = 0; range < pbm->vp_nrange; range++) 218 DPRINTF(VDB_PROM, 219 ("\nvpci_attach: range %d cspace %08x " 220 "child_hi %08x child_lo %08x phys_hi %08x phys_lo %08x " 221 "size_hi %08x size_lo %08x", range, 222 pbm->vp_range[range].cspace, 223 pbm->vp_range[range].child_hi, 224 pbm->vp_range[range].child_lo, 225 pbm->vp_range[range].phys_hi, 226 pbm->vp_range[range].phys_lo, 227 pbm->vp_range[range].size_hi, 228 pbm->vp_range[range].size_lo)); 229 230 if (prom_getprop(sc->sc_node, "bus-range", sizeof(int), &nranges, 231 (void **)&busranges)) 232 panic("vpci: can't get bus-range"); 233 for (int range = 0; range < nranges; range++) 234 DPRINTF(VDB_PROM, ("\nvpci_attach: bus-range %d %08x", range, busranges[range])); 235 236 aprint_normal(": bus %d to %d", busranges[0], busranges[1]); 237 238 vpci_init_iommu(sc, pbm); 239 240 pbm->vp_memt = vpci_alloc_mem_tag(pbm); 241 pbm->vp_iot = vpci_alloc_io_tag(pbm); 242 pbm->vp_cfgt = vpci_alloc_config_tag(pbm); 243 pbm->vp_dmat = vpci_alloc_dma_tag(pbm); 244 pbm->vp_flags = (pbm->vp_memt ? PCI_FLAGS_MEM_OKAY : 0) | 245 (pbm->vp_iot ? PCI_FLAGS_IO_OKAY : 0); 246 #if 0 247 FIXME 248 if (bus_space_map(pbm->vp_cfgt, 0, 0x10000000, 0, &pbm->vp_cfgh)) 249 panic("vpci: can't map config space"); 250 #endif 251 pbm->vp_pc = vpci_alloc_chipset(pbm, sc->sc_node, &_sparc_pci_chipset); 252 pbm->vp_pc->spc_busmax = busranges[1]; 253 pbm->vp_pc->spc_busnode = malloc(sizeof(*pbm->vp_pc->spc_busnode), 254 M_DEVBUF, M_NOWAIT | M_ZERO); 255 if (pbm->vp_pc->spc_busnode == NULL) 256 panic("vpci: malloc busnode"); 257 258 #if 0 259 pbm->vp_pc->bustag = pbm->vp_cfgt; 260 pbm->vp_pc->bushandle = pbm->vp_cfgh; 261 #endif 262 263 bzero(&pba, sizeof(pba)); 264 pba.pba_bus = busranges[0]; 265 pba.pba_pc = pbm->vp_pc; 266 pba.pba_flags = pbm->vp_flags; 267 pba.pba_dmat = pbm->vp_dmat; 268 pba.pba_dmat64 = NULL; /* XXX */ 269 pba.pba_memt = pbm->vp_memt; 270 pba.pba_iot = pbm->vp_iot; 271 272 free(busranges, M_DEVBUF); 273 274 config_found(sc->sc_dev, &pba, vpci_print); 275 } 276 277 void 278 vpci_init_iommu(struct vpci_softc *sc, struct vpci_pbm *pbm) 279 { 280 struct iommu_state *is = &pbm->vp_is; 281 int *vdma = NULL; 282 int nitem; 283 int tsbsize = 0; 284 u_int32_t iobase = -1; 285 u_int32_t iolen = 0; 286 char *name; 287 288 pbm->vp_sb.sb_is = is; 289 is->is_bustag = sc->sc_bustag; 290 291 if (bus_space_subregion(is->is_bustag, sc->sc_csrh, 292 0x40000, 0x100, &is->is_iommu)) { 293 panic("vpci: unable to create iommu handle"); 294 } 295 296 /* Construct tsbsize */ 297 if (!prom_getprop(sc->sc_node, "virtual-dma", sizeof(vdma), &nitem, 298 (void **)&vdma)) { 299 DPRINTF(VDB_BUSMAP, ("vpci_init_iommu: vdma[0]=0x%x vdma[1]=0x%x\n", 300 vdma[0], vdma[1])); 301 iobase = vdma[0]; 302 iolen = vdma[1]; 303 for (tsbsize = 8; (1 << (tsbsize+23)) > iolen; tsbsize--) ; 304 DPRINTF(VDB_BUSMAP, ("vpci_init_iommu: iobase=0x%x iolen = 0x%x tsbsize=0x%x\n", 305 iobase, iolen, tsbsize)); 306 free(vdma, M_DEVBUF); 307 } else 308 panic("vpci_init_iommu: getprop virtual-dma failed"); 309 310 aprint_normal(" vdma %x length %x\n", iobase, iolen); 311 312 /* We have no STC. */ 313 is->is_sb[0] = NULL; 314 315 name = (char *)malloc(32, M_DEVBUF, M_NOWAIT); 316 if (name == NULL) 317 panic("couldn't malloc iommu name"); 318 snprintf(name, 32, "%s dvma", device_xname(sc->sc_dev)); 319 320 /* Tell iommu how to set the TSB size. */ 321 is->is_flags = IOMMU_TSBSIZE_IN_PTSB; 322 323 is->is_devhandle = pbm->vp_devhandle; 324 iommu_init(name, is, tsbsize, iobase); 325 } 326 327 328 int 329 vpci_print(void *aux, const char *p) 330 { 331 if (p == NULL) 332 return (UNCONF); 333 return (QUIET); 334 } 335 336 pcireg_t 337 vpci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) 338 { 339 struct vpci_pbm *pbm = pc->cookie; 340 uint64_t error_flag, data; 341 342 int64_t hv_rc; 343 DPRINTF(VDB_CONF_READ, ("%s: tag %lx reg %x ", __func__, (long)tag, reg)); 344 hv_rc = hv_pci_config_get(pbm->vp_devhandle, PCITAG_OFFSET(tag), reg, 4, 345 &error_flag, &data); 346 if (hv_rc != H_EOK) 347 panic("hv_pci_config_get() failed - rc = %" PRId64 "\n", 348 hv_rc); 349 350 pcireg_t val = error_flag ? (pcireg_t)~0 : data; 351 DPRINTF(VDB_CONF_READ, (" returning %08x\n", (u_int)val)); 352 return val; 353 } 354 355 void 356 vpci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data) 357 { 358 359 struct vpci_pbm *pbm = pc->cookie; 360 uint64_t error_flag; 361 int64_t hv_rc; 362 DPRINTF(VDB_CONF_WRITE, ("%s: tag %lx; reg %x; data %x", __func__, 363 (long)tag, reg, (int)data)); 364 hv_rc = hv_pci_config_put(pbm->vp_devhandle, PCITAG_OFFSET(tag), reg, 4, 365 data, &error_flag); 366 if (hv_rc != H_EOK) 367 panic("hv_pci_config_put() failed - rc = %" PRId64 "\n", 368 hv_rc); 369 DPRINTF(VDB_CONF_WRITE, (" .. done\n")); 370 } 371 372 /* 373 * Bus-specific interrupt mapping 374 */ 375 int 376 vpci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp) 377 { 378 struct vpci_pbm *pbm = pa->pa_pc->cookie; 379 uint64_t devhandle = pbm->vp_devhandle; 380 uint64_t devino = INTINO(*ihp); 381 DPRINTF(VDB_INTR, ("vpci_intr_map(): devino 0x%lx\n", devino)); 382 uint64_t sysino; 383 int err; 384 385 if (*ihp != (pci_intr_handle_t)-1) { 386 err = hv_intr_devino_to_sysino(devhandle, devino, &sysino); 387 if (err != H_EOK) 388 return (-1); 389 390 KASSERT(sysino == INTVEC(sysino)); 391 *ihp = sysino; 392 DPRINTF(VDB_INTR, ("vpci_intr_map(): sysino 0x%lx\n", sysino)); 393 return (0); 394 } 395 396 return (-1); 397 } 398 399 bus_space_tag_t 400 vpci_alloc_mem_tag(struct vpci_pbm *vp) 401 { 402 return (vpci_alloc_bus_tag(vp, "mem", PCI_MEMORY_BUS_SPACE)); 403 } 404 405 bus_space_tag_t 406 vpci_alloc_io_tag(struct vpci_pbm *vp) 407 { 408 return (vpci_alloc_bus_tag(vp, "io", PCI_IO_BUS_SPACE)); 409 } 410 411 bus_space_tag_t 412 vpci_alloc_config_tag(struct vpci_pbm *vp) 413 { 414 return (vpci_alloc_bus_tag(vp, "cfg", PCI_CONFIG_BUS_SPACE)); 415 } 416 417 bus_space_tag_t 418 vpci_alloc_bus_tag(struct vpci_pbm *pbm, const char *name, int type) 419 { 420 struct vpci_softc *sc = pbm->vp_sc; 421 struct sparc_bus_space_tag *bt; 422 423 bt = malloc(sizeof(*bt), M_DEVBUF, M_NOWAIT | M_ZERO); 424 if (bt == NULL) 425 panic("vpci: could not allocate bus tag"); 426 427 #if 0 428 snprintf(bt->name, sizeof(bt->name), "%s-pbm_%s(%d/%2.2x)", 429 device_xname(sc->sc_dev), name, ss, asi); 430 #endif 431 432 bt->cookie = pbm; 433 bt->parent = sc->sc_bustag; 434 bt->type = type; 435 bt->sparc_bus_map = vpci_bus_map; 436 bt->sparc_bus_mmap = vpci_bus_mmap; 437 bt->sparc_intr_establish = vpci_intr_establish; 438 return (bt); 439 } 440 441 bus_dma_tag_t 442 vpci_alloc_dma_tag(struct vpci_pbm *pbm) 443 { 444 struct vpci_softc *sc = pbm->vp_sc; 445 bus_dma_tag_t dt, pdt = sc->sc_dmat; 446 447 dt = malloc(sizeof(*dt), M_DEVBUF, M_NOWAIT | M_ZERO); 448 if (dt == NULL) 449 panic("vpci: could not alloc dma tag"); 450 451 dt->_cookie = pbm; 452 dt->_parent = pdt; 453 #define PCOPY(x) dt->x = pdt->x 454 dt->_dmamap_create = vpci_dmamap_create; 455 PCOPY(_dmamap_destroy); 456 dt->_dmamap_load = iommu_dvmamap_load; 457 PCOPY(_dmamap_load_mbuf); 458 PCOPY(_dmamap_load_uio); 459 dt->_dmamap_load_raw = iommu_dvmamap_load_raw; 460 dt->_dmamap_unload = iommu_dvmamap_unload; 461 dt->_dmamap_sync = iommu_dvmamap_sync; 462 dt->_dmamem_alloc = iommu_dvmamem_alloc; 463 dt->_dmamem_free = iommu_dvmamem_free; 464 dt->_dmamem_map = iommu_dvmamem_map; 465 dt->_dmamem_unmap = iommu_dvmamem_unmap; 466 PCOPY(_dmamem_mmap); 467 #undef PCOPY 468 return (dt); 469 } 470 471 pci_chipset_tag_t 472 vpci_alloc_chipset(struct vpci_pbm *pbm, int node, pci_chipset_tag_t pc) 473 { 474 pci_chipset_tag_t npc; 475 476 npc = malloc(sizeof *npc, M_DEVBUF, M_NOWAIT); 477 if (npc == NULL) 478 panic("vpci: could not allocate pci_chipset_tag_t"); 479 memcpy(npc, pc, sizeof *pc); 480 npc->cookie = pbm; 481 npc->rootnode = node; 482 npc->spc_conf_read = vpci_conf_read; 483 npc->spc_conf_write = vpci_conf_write; 484 npc->spc_intr_map = vpci_intr_map; 485 npc->spc_intr_establish = vpci_pci_intr_establish; 486 npc->spc_find_ino = NULL; 487 return (npc); 488 } 489 490 int 491 vpci_dmamap_create(bus_dma_tag_t t, bus_size_t size, 492 int nsegments, bus_size_t maxsegsz, bus_size_t boundary, int flags, 493 bus_dmamap_t *dmamp) 494 { 495 struct vpci_pbm *pbm = t->_cookie; 496 int error; 497 498 error = bus_dmamap_create(t->_parent, size, nsegments, maxsegsz, 499 boundary, flags, dmamp); 500 if (error == 0) 501 (*dmamp)->_dm_cookie = &pbm->vp_sb; 502 return error; 503 } 504 505 int 506 vpci_bus_map(bus_space_tag_t t, bus_addr_t offset, 507 bus_size_t size, int flags, vaddr_t unused, bus_space_handle_t *hp) 508 { 509 struct vpci_pbm *pbm = t->cookie; 510 struct vpci_softc *sc = pbm->vp_sc; 511 int i, ss; 512 513 DPRINTF(VDB_BUSMAP, ("vpci_bus_map: type %d off %qx sz %qx flags %d", 514 t->type, 515 (unsigned long long)offset, 516 (unsigned long long)size, 517 flags)); 518 519 ss = sparc_pci_childspace(t->type); 520 DPRINTF(VDB_BUSMAP, (" cspace %d\n", ss)); 521 522 if (t->parent == 0 || t->parent->sparc_bus_map == 0) { 523 printf("\n_vpci_bus_map: invalid parent"); 524 return (EINVAL); 525 } 526 527 for (i = 0; i < pbm->vp_nrange; i++) { 528 bus_addr_t paddr; 529 struct vpci_range *pr = &pbm->vp_range[i]; 530 531 if (((pr->cspace >> 24) & 0x03) != ss) 532 continue; 533 534 paddr = BUS_ADDR(pr->phys_hi, pr->phys_lo + offset); 535 return ((*sc->sc_bustag->sparc_bus_map)(t, paddr, size, 536 flags, 0, hp)); 537 } 538 539 return (EINVAL); 540 } 541 542 paddr_t 543 vpci_bus_mmap(bus_space_tag_t t, bus_addr_t paddr, 544 off_t off, int prot, int flags) 545 { 546 bus_addr_t offset = paddr; 547 struct vpci_pbm *pbm = t->cookie; 548 struct vpci_softc *sc = pbm->vp_sc; 549 int i, ss; 550 551 ss = sparc_pci_childspace(t->type); 552 553 DPRINTF(VDB_BUSMAP, ("vpci_bus_mmap: prot %d flags %d pa %qx\n", 554 prot, flags, (unsigned long long)paddr)); 555 556 if (t->parent == 0 || t->parent->sparc_bus_mmap == 0) { 557 printf("\n_vpci_bus_mmap: invalid parent"); 558 return (-1); 559 } 560 561 for (i = 0; i < pbm->vp_nrange; i++) { 562 struct vpci_range *pr = &pbm->vp_range[i]; 563 564 if (((pr->cspace >> 24) & 0x03) != ss) 565 continue; 566 567 paddr = BUS_ADDR(pr->phys_hi, pr->phys_lo + offset); 568 return (bus_space_mmap(sc->sc_bustag, paddr, off, 569 prot, flags)); 570 } 571 572 return (-1); 573 } 574 575 void * 576 vpci_intr_establish(bus_space_tag_t t, int ihandle, int level, 577 int (*handler)(void *), void *arg, void (*fastvec)(void) /* ignored */) 578 { 579 struct intrhand *ih = NULL; 580 int ino; 581 582 ino = INTINO(ihandle); 583 DPRINTF(VDB_INTR, ("%s: ih %lx; level %d ino %#x\n", __func__, (u_long)ihandle, level, ino)); 584 585 if (level == IPL_NONE) { 586 level = INTLEV(ihandle); 587 printf(": IPL_NONE, setting IPL %d.\n", level); 588 } 589 if (level == IPL_NONE) { 590 level = 2; 591 printf(": no IPL, setting IPL 2.\n"); 592 } 593 594 ino |= INTVEC(ihandle); 595 DPRINTF(VDB_INTR, ("%s: ih %lx; level %d ino %#x\n", __func__, (u_long)ihandle, level, ino)); 596 597 ih = malloc(sizeof *ih, M_DEVBUF, M_NOWAIT); 598 if (ih == NULL) 599 return (NULL); 600 601 ih->ih_ivec = ihandle; 602 ih->ih_fun = handler; 603 ih->ih_arg = arg; 604 ih->ih_pil = level; 605 ih->ih_number = ino; 606 ih->ih_pending = 0; 607 608 intr_establish(ih->ih_pil, level != IPL_VM, ih); 609 610 return (ih); 611 } 612 613 static void * 614 vpci_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, 615 int (*func)(void *), void *arg) 616 { 617 void *cookie; 618 struct vpci_pbm *pbm = (struct vpci_pbm *)pc->cookie; 619 620 DPRINTF(VDB_INTR, ("%s: ih %lx; level %d\n", __func__, (u_long)ih, level)); 621 cookie = bus_intr_establish(pbm->vp_memt, ih, level, func, arg); 622 623 DPRINTF(VDB_INTR, ("%s: returning handle %p\n", __func__, cookie)); 624 return (cookie); 625 } 626
Indexes created Tue Oct 14 06:10:07 GMT 2025