if_mn.c revision 70254
1181111Sdes/* 276259Sgreen * ---------------------------------------------------------------------------- 376259Sgreen * "THE BEER-WARE LICENSE" (Revision 42): 476259Sgreen * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 576259Sgreen * can do whatever you want with this stuff. If we meet some day, and you think 676259Sgreen * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 776259Sgreen * ---------------------------------------------------------------------------- 876259Sgreen * 976259Sgreen * $Id: if_mn.c,v 1.1 1999/02/01 13:06:40 phk Exp $ 1076259Sgreen * 1176259Sgreen * Driver for Siemens reference design card "Easy321-R1". 1276259Sgreen * 1376259Sgreen * This card contains a FALC54 E1/T1 framer and a MUNICH32X 32-channel HDLC 1476259Sgreen * controller. 1576259Sgreen * 1676259Sgreen * The driver supports E1 mode with up to 31 channels. We send CRC4 but don't 1776259Sgreen * check it coming in. 1876259Sgreen * 1976259Sgreen * The FALC54 and MUNICH32X have far too many registers and weird modes for 2076259Sgreen * comfort, so I have not bothered typing it all into a "fooreg.h" file, 2176259Sgreen * you will (badly!) need the documentation anyway if you want to mess with 2276259Sgreen * this gadget. 2376259Sgreen * 2476259Sgreen * $FreeBSD: head/sys/pci/if_mn.c 70254 2000-12-21 21:44:31Z bmilekic $ 2576259Sgreen */ 2692555Sdes 27181111Sdes/* 28181111Sdes * Stuff to describe the MUNIC32X and FALC54 chips. 2992555Sdes */ 30181111Sdes 31#define M32_CHAN 32 /* We have 32 channels */ 32#define M32_TS 32 /* We have 32 timeslots */ 33 34#define NG_MN_NODE_TYPE "mn" 35 36#include <sys/param.h> 37#include <sys/kernel.h> 38#include <sys/sysctl.h> 39#include <sys/bus.h> 40#include <sys/mbuf.h> 41#include <sys/systm.h> 42#include <sys/malloc.h> 43 44#include <pci/pcireg.h> 45#include <pci/pcivar.h> 46#include "pci_if.h" 47 48#include <machine/bus.h> 49#include <machine/resource.h> 50 51#include <sys/rman.h> 52 53#include <vm/vm.h> 54#include <vm/pmap.h> 55 56#include <netgraph/ng_message.h> 57#include <netgraph/netgraph.h> 58 59 60static int mn_maxlatency = 1000; 61SYSCTL_INT(_debug, OID_AUTO, mn_maxlatency, CTLFLAG_RW, 62 &mn_maxlatency, 0, 63 "The number of milliseconds a packet is allowed to spend in the output queue. " 64 "If the output queue is longer than this number of milliseconds when the packet " 65 "arrives for output, the packet will be dropped." 66); 67 68#ifndef NMN 69/* Most machines don't support more than 4 busmaster PCI slots, if even that many */ 70#define NMN 4 71#endif 72 73/* From: PEB 20321 data sheet, p187, table 22 */ 74struct m32xreg { 75 u_int32_t conf, cmd, stat, imask; 76 u_int32_t fill10, piqba, piql, fill1c; 77 u_int32_t mode1, mode2, ccba, txpoll; 78 u_int32_t tiqba, tiql, riqba, riql; 79 u_int32_t lconf, lccba, fill48, ltran; 80 u_int32_t ltiqba, ltiql, lriqba, lriql; 81 u_int32_t lreg0, lreg1, lreg2, lreg3; 82 u_int32_t lreg4, lreg5, lre6, lstat; 83 u_int32_t gpdir, gpdata, gpod, fill8c; 84 u_int32_t ssccon, sscbr, ssctb, sscrb; 85 u_int32_t ssccse, sscim, fillab, fillac; 86 u_int32_t iomcon1, iomcon2, iomstat, fillbc; 87 u_int32_t iomcit0, iomcit1, iomcir0, iomcir1; 88 u_int32_t iomtmo, iomrmo, filld8, filldc; 89 u_int32_t mbcmd, mbdata1, mbdata2, mbdata3; 90 u_int32_t mbdata4, mbdata5, mbdata6, mbdata7; 91}; 92 93/* From: PEB 2254 data sheet, p80, table 10 */ 94struct f54wreg { 95 u_int16_t xfifo; 96 u_int8_t cmdr, mode, rah1, rah2, ral1, ral2; 97 u_int8_t ipc, ccr1, ccr3, pre, rtr1, rtr2, rtr3, rtr4; 98 u_int8_t ttr1, ttr2, ttr3, ttr4, imr0, imr1, imr2, imr3; 99 u_int8_t imr4, fill19, fmr0, fmr1, fmr2, loop, xsw, xsp; 100 u_int8_t xc0, xc1, rc0, rc1, xpm0, xpm1, xpm2, tswm; 101 u_int8_t test1, idle, xsa4, xsa5, xsa6, xsa7, xsa8, fmr3; 102 u_int8_t icb1, icb2, icb3, icb4, lim0, lim1, pcd, pcr; 103 u_int8_t lim2, fill39[7]; 104 u_int8_t fill40[8]; 105 u_int8_t fill48[8]; 106 u_int8_t fill50[8]; 107 u_int8_t fill58[8]; 108 u_int8_t dec, fill61, test2, fill63[5]; 109 u_int8_t fill68[8]; 110 u_int8_t xs[16]; 111}; 112 113/* From: PEB 2254 data sheet, p117, table 10 */ 114struct f54rreg { 115 u_int16_t rfifo; 116 u_int8_t fill2, mode, rah1, rah2, ral1, ral2; 117 u_int8_t ipc, ccr1, ccr3, pre, rtr1, rtr2, rtr3, rtr4; 118 u_int8_t ttr1, ttr2, ttr3, ttr4, imr0, imr1, imr2, imr3; 119 u_int8_t imr4, fill19, fmr0, fmr1, fmr2, loop, xsw, xsp; 120 u_int8_t xc0, xc1, rc0, rc1, xpm0, xpm1, xpm2, tswm; 121 u_int8_t test, idle, xsa4, xsa5, xsa6, xsa7, xsa8, fmr13; 122 u_int8_t icb1, icb2, icb3, icb4, lim0, lim1, pcd, pcr; 123 u_int8_t lim2, fill39[7]; 124 u_int8_t fill40[8]; 125 u_int8_t fill48[4], frs0, frs1, rsw, rsp; 126 u_int16_t fec, cvc, cec1, ebc; 127 u_int16_t cec2, cec3; 128 u_int8_t rsa4, rsa5, rsa6, rsa7; 129 u_int8_t rsa8, rsa6s, tsr0, tsr1, sis, rsis; 130 u_int16_t rbc; 131 u_int8_t isr0, isr1, isr2, isr3, fill6c, fill6d, gis, vstr; 132 u_int8_t rs[16]; 133}; 134 135/* Transmit & receive descriptors */ 136struct trxd { 137 u_int32_t flags; 138 vm_offset_t next; 139 vm_offset_t data; 140 u_int32_t status; /* only used for receive */ 141 struct mbuf *m; /* software use only */ 142 struct trxd *vnext; /* software use only */ 143}; 144 145/* Channel specification */ 146struct cspec { 147 u_int32_t flags; 148 vm_offset_t rdesc; 149 vm_offset_t tdesc; 150 u_int32_t itbs; 151}; 152 153struct m32_mem { 154 vm_offset_t csa; 155 u_int32_t ccb; 156 u_int32_t reserve1[2]; 157 u_int32_t ts[M32_TS]; 158 struct cspec cs[M32_CHAN]; 159 vm_offset_t crxd[M32_CHAN]; 160 vm_offset_t ctxd[M32_CHAN]; 161}; 162 163struct softc; 164struct sockaddr; 165struct rtentry; 166 167static int mn_probe (device_t self); 168static int mn_attach (device_t self); 169static void mn_create_channel(struct softc *sc, int chan); 170static int mn_reset(struct softc *sc); 171static struct trxd * mn_alloc_desc(void); 172static void mn_free_desc(struct trxd *dp); 173static void mn_intr(void *xsc); 174static u_int32_t mn_parse_ts(const char *s, int *nbit); 175#ifdef notyet 176static void m32_dump(struct softc *sc); 177static void f54_dump(struct softc *sc); 178static void mn_fmt_ts(char *p, u_int32_t ts); 179#endif /* notyet */ 180 181static ng_constructor_t ngmn_constructor; 182static ng_rcvmsg_t ngmn_rcvmsg; 183static ng_shutdown_t ngmn_shutdown; 184static ng_newhook_t ngmn_newhook; 185static ng_connect_t ngmn_connect; 186static ng_rcvdata_t ngmn_rcvdata; 187static ng_disconnect_t ngmn_disconnect; 188 189static struct ng_type mntypestruct = { 190 NG_ABI_VERSION, 191 NG_MN_NODE_TYPE, 192 NULL, 193 ngmn_constructor, 194 ngmn_rcvmsg, 195 ngmn_shutdown, 196 ngmn_newhook, 197 NULL, 198 ngmn_connect, 199 ngmn_rcvdata, 200 ngmn_disconnect, 201 NULL 202}; 203 204static MALLOC_DEFINE(M_MN, "mn", "Mx driver related"); 205 206#define NIQB 64 207 208struct schan { 209 enum {DOWN, UP} state; 210 struct softc *sc; 211 int chan; 212 u_int32_t ts; 213 char name[8]; 214 struct trxd *r1, *rl; 215 struct trxd *x1, *xl; 216 hook_p hook; 217 218 time_t last_recv; 219 time_t last_rxerr; 220 time_t last_xmit; 221 222 u_long rx_error; 223 224 u_long short_error; 225 u_long crc_error; 226 u_long dribble_error; 227 u_long long_error; 228 u_long abort_error; 229 u_long overflow_error; 230 231 int last_error; 232 int prev_error; 233 234 u_long tx_pending; 235 u_long tx_limit; 236}; 237 238struct softc { 239 int unit; 240 device_t dev; 241 struct resource *irq; 242 void *intrhand; 243 void *m0v, *m1v; 244 vm_offset_t m0p, m1p; 245 struct m32xreg *m32x; 246 struct f54wreg *f54w; 247 struct f54rreg *f54r; 248 struct m32_mem m32_mem; 249 u_int32_t tiqb[NIQB]; 250 u_int32_t riqb[NIQB]; 251 u_int32_t piqb[NIQB]; 252 u_int32_t ltiqb[NIQB]; 253 u_int32_t lriqb[NIQB]; 254 char name[8]; 255 u_int32_t falc_irq, falc_state, framer_state; 256 struct schan *ch[M32_CHAN]; 257 char nodename[NG_NODELEN + 1]; 258 node_p node; 259 260 u_long cnt_fec; 261 u_long cnt_cvc; 262 u_long cnt_cec1; 263 u_long cnt_ebc; 264 u_long cnt_cec2; 265 u_long cnt_cec3; 266 u_long cnt_rbc; 267}; 268 269static int 270ngmn_constructor(node_p *nodep) 271{ 272 273 return (EINVAL); 274} 275 276static int 277ngmn_shutdown(node_p nodep) 278{ 279 280 return (EINVAL); 281} 282 283static int 284ngmn_rcvmsg(node_p node, struct ng_mesg *msg, const char *retaddr, 285 struct ng_mesg **rptr, hook_p lasthook) 286{ 287 struct softc *sc; 288 struct ng_mesg *resp = NULL; 289 struct schan *sch; 290 char *arg; 291 int pos, i; 292 293 sc = node->private; 294 295 if (msg->header.typecookie != NGM_GENERIC_COOKIE || 296 rptr == NULL || /* temporary */ 297 msg->header.cmd != NGM_TEXT_STATUS) { 298 if (rptr) 299 *rptr = NULL; 300 FREE(msg, M_NETGRAPH); 301 return (EINVAL); 302 } 303 NG_MKRESPONSE(resp, msg, sizeof(struct ng_mesg) + NG_TEXTRESPONSE, 304 M_NOWAIT); 305 if (resp == NULL) { 306 FREE(msg, M_NETGRAPH); 307 return (ENOMEM); 308 } 309 arg = (char *)resp->data; 310 pos = 0; 311 pos += sprintf(pos + arg,"Framer status %b;\n", sc->framer_state, "\20" 312 "\40LOS\37AIS\36LFA\35RRA" 313 "\34AUXP\33NMF\32LMFA\31frs0.0" 314 "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS" 315 "\24TS16LFA\23frs1.2\22XLS\21XLO" 316 "\20RS1\17rsw.6\16RRA\15RY0" 317 "\14RY1\13RY2\12RY3\11RY4" 318 "\10SI1\7SI2\6rsp.5\5rsp.4" 319 "\4rsp.3\3RSIF\2RS13\1RS15"); 320 pos += sprintf(pos + arg," Framing errors: %lu", sc->cnt_fec); 321 pos += sprintf(pos + arg," Code Violations: %lu\n", sc->cnt_cvc); 322 323 pos += sprintf(pos + arg," Falc State %b;\n", sc->falc_state, "\20" 324 "\40LOS\37AIS\36LFA\35RRA" 325 "\34AUXP\33NMF\32LMFA\31frs0.0" 326 "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS" 327 "\24TS16LFA\23frs1.2\22XLS\21XLO" 328 "\20RS1\17rsw.6\16RRA\15RY0" 329 "\14RY1\13RY2\12RY3\11RY4" 330 "\10SI1\7SI2\6rsp.5\5rsp.4" 331 "\4rsp.3\3RSIF\2RS13\1RS15"); 332 pos += sprintf(pos + arg, " Falc IRQ %b\n", sc->falc_irq, "\20" 333 "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF" 334 "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR" 335 "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA" 336 "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP"); 337 for (i = 0; i < M32_CHAN; i++) { 338 if (!sc->ch[i]) 339 continue; 340 sch = sc->ch[i]; 341 342 pos += sprintf(arg + pos, " Chan %d <%s> ", 343 i, sch->hook->name); 344 345 pos += sprintf(arg + pos, " Last Rx: "); 346 if (sch->last_recv) 347 pos += sprintf(arg + pos, "%lu s", time_second - sch->last_recv); 348 else 349 pos += sprintf(arg + pos, "never"); 350 351 pos += sprintf(arg + pos, ", last RxErr: "); 352 if (sch->last_rxerr) 353 pos += sprintf(arg + pos, "%lu s", time_second - sch->last_rxerr); 354 else 355 pos += sprintf(arg + pos, "never"); 356 357 pos += sprintf(arg + pos, ", last Tx: "); 358 if (sch->last_xmit) 359 pos += sprintf(arg + pos, "%lu s\n", time_second - sch->last_xmit); 360 else 361 pos += sprintf(arg + pos, "never\n"); 362 363 pos += sprintf(arg + pos, " RX error(s) %lu", sch->rx_error); 364 pos += sprintf(arg + pos, " Short: %lu", sch->short_error); 365 pos += sprintf(arg + pos, " CRC: %lu", sch->crc_error); 366 pos += sprintf(arg + pos, " Mod8: %lu", sch->dribble_error); 367 pos += sprintf(arg + pos, " Long: %lu", sch->long_error); 368 pos += sprintf(arg + pos, " Abort: %lu", sch->abort_error); 369 pos += sprintf(arg + pos, " Overflow: %lu\n", sch->overflow_error); 370 371 pos += sprintf(arg + pos, " Last error: %b Prev error: %b\n", 372 sch->last_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN", 373 sch->prev_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN"); 374 pos += sprintf(arg + pos, " Xmit bytes pending %ld\n", 375 sch->tx_pending); 376 } 377 resp->header.arglen = pos + 1; 378 379 /* Take care of synchronous response, if any */ 380 if (rptr) 381 *rptr = resp; 382 else if (resp) 383 FREE(resp, M_NETGRAPH); /* Will eventually send the hard way */ 384 385 FREE(msg, M_NETGRAPH); 386 return (0); 387} 388 389static int 390ngmn_newhook(node_p node, hook_p hook, const char *name) 391{ 392 u_int32_t ts, chan; 393 struct softc *sc; 394 int nbit; 395 396 sc = node->private; 397 398 if (name[0] != 't' || name[1] != 's') 399 return (EINVAL); 400 401 ts = mn_parse_ts(name + 2, &nbit); 402 if (ts == 0) 403 return (EINVAL); 404 chan = ffs(ts) - 1; 405 if (!sc->ch[chan]) 406 mn_create_channel(sc, chan); 407 else if (sc->ch[chan]->state == UP) 408 return (EBUSY); 409 sc->ch[chan]->ts = ts; 410 sc->ch[chan]->hook = hook; 411 sc->ch[chan]->tx_limit = nbit * 8; 412 hook->private = sc->ch[chan]; 413 return(0); 414} 415 416 417static struct trxd *mn_desc_free; 418 419static struct trxd * 420mn_alloc_desc(void) 421{ 422 struct trxd *dp; 423 424 dp = mn_desc_free; 425 if (dp) 426 mn_desc_free = dp->vnext; 427 else 428 dp = (struct trxd *)malloc(sizeof *dp, M_MN, M_NOWAIT); 429 return (dp); 430} 431 432static void 433mn_free_desc(struct trxd *dp) 434{ 435 dp->vnext = mn_desc_free; 436 mn_desc_free = dp; 437} 438 439static u_int32_t 440mn_parse_ts(const char *s, int *nbit) 441{ 442 unsigned r; 443 int i, j; 444 char *p; 445 446 r = 0; 447 j = 0; 448 *nbit = 0; 449 while(*s) { 450 i = strtol(s, &p, 0); 451 if (i < 1 || i > 31) 452 return (0); 453 while (j && j < i) { 454 r |= 1 << j++; 455 (*nbit)++; 456 } 457 j = 0; 458 r |= 1 << i; 459 (*nbit)++; 460 if (*p == ',') { 461 s = p + 1; 462 continue; 463 } else if (*p == '-') { 464 j = i; 465 s = p + 1; 466 continue; 467 } else if (!*p) { 468 break; 469 } else { 470 return (0); 471 } 472 } 473 return (r); 474} 475 476#ifdef notyet 477static void 478mn_fmt_ts(char *p, u_int32_t ts) 479{ 480 char *s; 481 int j; 482 483 s = ""; 484 ts &= 0xfffffffe; 485 for (j = 1; j < 32; j++) { 486 if (!(ts & (1 << j))) 487 continue; 488 sprintf(p, "%s%d", s, j); 489 p += strlen(p); 490 s = ","; 491 if (!(ts & (1 << (j+1)))) 492 continue; 493 for (; j < 32; j++) 494 if (!(ts & (1 << (j+1)))) 495 break; 496 sprintf(p, "-%d", j); 497 p += strlen(p); 498 s = ","; 499 } 500} 501#endif /* notyet */ 502 503/* 504 * OUTPUT 505 */ 506 507static int 508ngmn_rcvdata(hook_p hook, struct mbuf *m, meta_p meta, 509 struct mbuf **ret_m, meta_p *ret_meta, struct ng_mesg **resp) 510{ 511 struct mbuf *m2; 512 struct trxd *dp, *dp2; 513 struct schan *sch; 514 struct softc *sc; 515 int chan, pitch, len; 516 517 sch = hook->private; 518 sc = sch->sc; 519 chan = sch->chan; 520 521 if (sch->state != UP) { 522 NG_FREE_DATA(m, meta); 523 return (0); 524 } 525 if (sch->tx_pending + m->m_pkthdr.len > sch->tx_limit * mn_maxlatency) { 526 NG_FREE_DATA(m, meta); 527 return (0); 528 } 529 NG_FREE_META(meta); 530 pitch = 0; 531 m2 = m; 532 dp2 = sc->ch[chan]->xl; 533 len = m->m_pkthdr.len; 534 while (len) { 535 dp = mn_alloc_desc(); 536 if (!dp) { 537 pitch++; 538 m_freem(m); 539 sc->ch[chan]->xl = dp2; 540 dp = dp2->vnext; 541 while (dp) { 542 dp2 = dp->vnext; 543 mn_free_desc(dp); 544 dp = dp2; 545 } 546 sc->ch[chan]->xl->vnext = 0; 547 break; 548 } 549 dp->data = vtophys(m2->m_data); 550 dp->flags = m2->m_len << 16; 551 dp->flags += 1; 552 len -= m2->m_len; 553 dp->next = vtophys(dp); 554 dp->vnext = 0; 555 sc->ch[chan]->xl->next = vtophys(dp); 556 sc->ch[chan]->xl->vnext = dp; 557 sc->ch[chan]->xl = dp; 558 if (!len) { 559 dp->m = m; 560 dp->flags |= 0xc0000000; 561 dp2->flags &= ~0x40000000; 562 } else { 563 dp->m = 0; 564 m2 = m2->m_next; 565 } 566 } 567 if (pitch) 568 printf("%s%d: Short on mem, pitched %d packets\n", 569 sc->name, chan, pitch); 570 else { 571#if 0 572 printf("%d = %d + %d (%p)\n", 573 sch->tx_pending + m->m_pkthdr.len, 574 sch->tx_pending , m->m_pkthdr.len, m); 575#endif 576 sch->tx_pending += m->m_pkthdr.len; 577 } 578 return (0); 579} 580 581/* 582 * OPEN 583 */ 584static int 585ngmn_connect(hook_p hook) 586{ 587 int i, nts, chan; 588 struct trxd *dp, *dp2; 589 struct mbuf *m; 590 struct softc *sc; 591 struct schan *sch; 592 u_int32_t u; 593 594 sch = hook->private; 595 chan = sch->chan; 596 sc = sch->sc; 597 598 if (sch->state == UP) 599 return (0); 600 sch->state = UP; 601 602 /* Count and configure the timeslots for this channel */ 603 for (nts = i = 0; i < 32; i++) 604 if (sch->ts & (1 << i)) { 605 sc->m32_mem.ts[i] = 0x00ff00ff | 606 (chan << 24) | (chan << 8); 607 nts++; 608 } 609 610 /* Init the receiver & xmitter to HDLC */ 611 sc->m32_mem.cs[chan].flags = 0x80e90006; 612 /* Allocate two buffers per timeslot */ 613 sc->m32_mem.cs[chan].itbs = nts * 2; 614 615 /* Setup a transmit chain with one descriptor */ 616 /* XXX: we actually send a 1 byte packet */ 617 dp = mn_alloc_desc(); 618 MGETHDR(m, M_TRYWAIT, MT_DATA); 619 if (m == NULL) 620 return ENOBUFS; 621 m->m_pkthdr.len = 0; 622 dp->m = m; 623 dp->flags = 0xc0000000 + (1 << 16); 624 dp->next = vtophys(dp); 625 dp->vnext = 0; 626 dp->data = vtophys(sc->name); 627 sc->m32_mem.cs[chan].tdesc = vtophys(dp); 628 sc->ch[chan]->x1 = dp; 629 sc->ch[chan]->xl = dp; 630 631 /* Setup a receive chain with 5 + NTS descriptors */ 632 633 dp = mn_alloc_desc(); 634 m = NULL; 635 MGETHDR(m, M_TRYWAIT, MT_DATA); 636 if (m == NULL) { 637 mn_free_desc(dp); 638 return (ENOBUFS); 639 } 640 MCLGET(m, M_TRYWAIT); 641 if ((m->m_flags & M_EXT) == 0) { 642 mn_free_desc(dp); 643 m_freem(m); 644 return (ENOBUFS); 645 } 646 dp->m = m; 647 dp->data = vtophys(m->m_data); 648 dp->flags = 0x40000000; 649 dp->flags += 1600 << 16; 650 dp->next = vtophys(dp); 651 dp->vnext = 0; 652 sc->ch[chan]->rl = dp; 653 654 for (i = 0; i < (nts + 10); i++) { 655 dp2 = dp; 656 dp = mn_alloc_desc(); 657 m = NULL; 658 MGETHDR(m, M_TRYWAIT, MT_DATA); 659 if (m == NULL) { 660 mn_free_desc(dp); 661 m_freem(m); 662 return (ENOBUFS); 663 } 664 MCLGET(m, M_TRYWAIT); 665 if ((m->m_flags & M_EXT) == 0) { 666 mn_free_desc(dp); 667 m_freem(m); 668 return (ENOBUFS); 669 } 670 dp->m = m; 671 dp->data = vtophys(m->m_data); 672 dp->flags = 0x00000000; 673 dp->flags += 1600 << 16; 674 dp->next = vtophys(dp2); 675 dp->vnext = dp2; 676 } 677 sc->m32_mem.cs[chan].rdesc = vtophys(dp); 678 sc->ch[chan]->r1 = dp; 679 680 /* Initialize this channel */ 681 sc->m32_mem.ccb = 0x00008000 + (chan << 8); 682 sc->m32x->cmd = 0x1; 683 DELAY(1000); 684 u = sc->m32x->stat; 685 if (!(u & 1)) 686 printf("%s: init chan %d stat %08x\n", sc->name, chan, u); 687 sc->m32x->stat = 1; 688 /* probably not at splnet, force outward queueing */ 689 hook->peer->flags |= HK_QUEUE; 690 691 return (0); 692} 693 694/* 695 * CLOSE 696 */ 697static int 698ngmn_disconnect(hook_p hook) 699{ 700 int chan, i; 701 struct softc *sc; 702 struct schan *sch; 703 struct trxd *dp, *dp2; 704 u_int32_t u; 705 706 sch = hook->private; 707 chan = sch->chan; 708 sc = sch->sc; 709 710 if (sch->state == DOWN) 711 return (0); 712 sch->state = DOWN; 713 714 /* Set receiver & transmitter off */ 715 sc->m32_mem.cs[chan].flags = 0x80920006; 716 sc->m32_mem.cs[chan].itbs = 0; 717 718 /* free the timeslots */ 719 for (i = 0; i < 32; i++) 720 if (sc->ch[chan]->ts & (1 << i)) 721 sc->m32_mem.ts[i] = 0x20002000; 722 723 /* Initialize this channel */ 724 sc->m32_mem.ccb = 0x00008000 + (chan << 8); 725 sc->m32x->cmd = 0x1; 726 DELAY(30); 727 u = sc->m32x->stat; 728 if (!(u & 1)) 729 printf("%s: zap chan %d stat %08x\n", sc->name, chan, u); 730 sc->m32x->stat = 1; 731 732 /* Free all receive descriptors and mbufs */ 733 for (dp = sc->ch[chan]->r1; dp ; dp = dp2) { 734 if (dp->m) 735 m_freem(dp->m); 736 sc->ch[chan]->r1 = dp2 = dp->vnext; 737 mn_free_desc(dp); 738 } 739 740 /* Free all transmit descriptors and mbufs */ 741 for (dp = sc->ch[chan]->x1; dp ; dp = dp2) { 742 if (dp->m) { 743 sc->ch[chan]->tx_pending -= dp->m->m_pkthdr.len; 744 m_freem(dp->m); 745 } 746 sc->ch[chan]->x1 = dp2 = dp->vnext; 747 mn_free_desc(dp); 748 } 749 return(0); 750} 751 752/* 753 * Create a new channel. 754 */ 755static void 756mn_create_channel(struct softc *sc, int chan) 757{ 758 struct schan *sch; 759 760 sch = sc->ch[chan] = (struct schan *)malloc(sizeof *sc->ch[chan], 761 M_MN, M_WAITOK | M_ZERO); 762 sch->sc = sc; 763 sch->state = DOWN; 764 sch->chan = chan; 765 sprintf(sch->name, "%s%d", sc->name, chan); 766 return; 767} 768 769#ifdef notyet 770/* 771 * Dump Munich32x state 772 */ 773static void 774m32_dump(struct softc *sc) 775{ 776 u_int32_t *tp4; 777 int i, j; 778 779 printf("mn%d: MUNICH32X dump\n", sc->unit); 780 tp4 = (u_int32_t *)sc->m0v; 781 for(j = 0; j < 64; j += 8) { 782 printf("%02x", j * sizeof *tp4); 783 for(i = 0; i < 8; i++) 784 printf(" %08x", tp4[i+j]); 785 printf("\n"); 786 } 787 for(j = 0; j < M32_CHAN; j++) { 788 if (!sc->ch[j]) 789 continue; 790 printf("CH%d: state %d ts %08x", 791 j, sc->ch[j]->state, sc->ch[j]->ts); 792 printf(" %08x %08x %08x %08x %08x %08x\n", 793 sc->m32_mem.cs[j].flags, 794 sc->m32_mem.cs[j].rdesc, 795 sc->m32_mem.cs[j].tdesc, 796 sc->m32_mem.cs[j].itbs, 797 sc->m32_mem.crxd[j], 798 sc->m32_mem.ctxd[j] ); 799 } 800} 801 802/* 803 * Dump Falch54 state 804 */ 805static void 806f54_dump(struct softc *sc) 807{ 808 u_int8_t *tp1; 809 int i, j; 810 811 printf("%s: FALC54 dump\n", sc->name); 812 tp1 = (u_int8_t *)sc->m1v; 813 for(j = 0; j < 128; j += 16) { 814 printf("%s: %02x |", sc->name, j * sizeof *tp1); 815 for(i = 0; i < 16; i++) 816 printf(" %02x", tp1[i+j]); 817 printf("\n"); 818 } 819} 820#endif /* notyet */ 821 822/* 823 * Init Munich32x 824 */ 825static void 826m32_init(struct softc *sc) 827{ 828 829 sc->m32x->conf = 0x00000000; 830 sc->m32x->mode1 = 0x81048000 + 1600; /* XXX: temp */ 831#if 1 832 sc->m32x->mode2 = 0x00000081; 833 sc->m32x->txpoll = 0xffffffff; 834#else 835 sc->m32x->mode2 = 0x00000101; 836#endif 837 sc->m32x->lconf = 0x6060009B; 838 sc->m32x->imask = 0x00000000; 839} 840 841/* 842 * Init the Falc54 843 */ 844static void 845f54_init(struct softc *sc) 846{ 847 sc->f54w->ipc = 0x07; 848 849 sc->f54w->xpm0 = 0xbd; 850 sc->f54w->xpm1 = 0x03; 851 sc->f54w->xpm2 = 0x00; 852 853 sc->f54w->imr0 = 0x18; /* RMB, CASC */ 854 sc->f54w->imr1 = 0x08; /* XMB */ 855 sc->f54w->imr2 = 0x00; 856 sc->f54w->imr3 = 0x38; /* LMFA16, AIS16, RA16 */ 857 sc->f54w->imr4 = 0x00; 858 859 sc->f54w->fmr0 = 0xf0; /* X: HDB3, R: HDB3 */ 860 sc->f54w->fmr1 = 0x0e; /* Send CRC4, 2Mbit, ECM */ 861 sc->f54w->fmr2 = 0x03; /* Auto Rem-Alarm, Auto resync */ 862 863 sc->f54w->lim1 = 0xb0; /* XCLK=8kHz, .62V threshold */ 864 sc->f54w->pcd = 0x0a; 865 sc->f54w->pcr = 0x15; 866 sc->f54w->xsw = 0x9f; /* fmr4 */ 867 sc->f54w->xsp = 0x1c; /* fmr5 */ 868 sc->f54w->xc0 = 0x07; 869 sc->f54w->xc1 = 0x3d; 870 sc->f54w->rc0 = 0x05; 871 sc->f54w->rc1 = 0x00; 872 sc->f54w->cmdr = 0x51; 873} 874 875static int 876mn_reset(struct softc *sc) 877{ 878 u_int32_t u; 879 int i; 880 881 sc->m32x->ccba = vtophys(&sc->m32_mem.csa); 882 sc->m32_mem.csa = vtophys(&sc->m32_mem.ccb); 883 884 bzero(sc->tiqb, sizeof sc->tiqb); 885 sc->m32x->tiqba = vtophys(&sc->tiqb); 886 sc->m32x->tiql = NIQB / 16 - 1; 887 888 bzero(sc->riqb, sizeof sc->riqb); 889 sc->m32x->riqba = vtophys(&sc->riqb); 890 sc->m32x->riql = NIQB / 16 - 1; 891 892 bzero(sc->ltiqb, sizeof sc->ltiqb); 893 sc->m32x->ltiqba = vtophys(&sc->ltiqb); 894 sc->m32x->ltiql = NIQB / 16 - 1; 895 896 bzero(sc->lriqb, sizeof sc->lriqb); 897 sc->m32x->lriqba = vtophys(&sc->lriqb); 898 sc->m32x->lriql = NIQB / 16 - 1; 899 900 bzero(sc->piqb, sizeof sc->piqb); 901 sc->m32x->piqba = vtophys(&sc->piqb); 902 sc->m32x->piql = NIQB / 16 - 1; 903 904 m32_init(sc); 905 f54_init(sc); 906 907 u = sc->m32x->stat; 908 sc->m32x->stat = u; 909 sc->m32_mem.ccb = 0x4; 910 sc->m32x->cmd = 0x1; 911 DELAY(1000); 912 u = sc->m32x->stat; 913 sc->m32x->stat = u; 914 915 /* set all timeslots to known state */ 916 for (i = 0; i < 32; i++) 917 sc->m32_mem.ts[i] = 0x20002000; 918 919 if (!(u & 1)) { 920 printf( 921"mn%d: WARNING: Controller failed the PCI bus-master test.\n" 922"mn%d: WARNING: Use a PCI slot which can support bus-master cards.\n", 923 sc->unit, sc->unit); 924 return (0); 925 } 926 return (1); 927} 928 929/* 930 * FALC54 interrupt handling 931 */ 932static void 933f54_intr(struct softc *sc) 934{ 935 unsigned g, u, s; 936 937 g = sc->f54r->gis; 938 u = sc->f54r->isr0 << 24; 939 u |= sc->f54r->isr1 << 16; 940 u |= sc->f54r->isr2 << 8; 941 u |= sc->f54r->isr3; 942 sc->falc_irq = u; 943 /* don't chat about the 1 sec heart beat */ 944 if (u & ~0x40) { 945#if 0 946 printf("%s*: FALC54 IRQ GIS:%02x %b\n", sc->name, g, u, "\20" 947 "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF" 948 "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR" 949 "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA" 950 "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP"); 951#endif 952 s = sc->f54r->frs0 << 24; 953 s |= sc->f54r->frs1 << 16; 954 s |= sc->f54r->rsw << 8; 955 s |= sc->f54r->rsp; 956 sc->falc_state = s; 957 958 s &= ~0x01844038; /* undefined or static bits */ 959 s &= ~0x00009fc7; /* bits we don't care about */ 960 s &= ~0x00780000; /* XXX: TS16 related */ 961 s &= ~0x06000000; /* XXX: Multiframe related */ 962#if 0 963 printf("%s*: FALC54 Status %b\n", sc->name, s, "\20" 964 "\40LOS\37AIS\36LFA\35RRA\34AUXP\33NMF\32LMFA\31frs0.0" 965 "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS\24TS16LFA\23frs1.2\22XLS\21XLO" 966 "\20RS1\17rsw.6\16RRA\15RY0\14RY1\13RY2\12RY3\11RY4" 967 "\10SI1\7SI2\6rsp.5\5rsp.4\4rsp.3\3RSIF\2RS13\1RS15"); 968#endif 969 if (s != sc->framer_state) { 970#if 0 971 for (i = 0; i < M32_CHAN; i++) { 972 if (!sc->ch[i]) 973 continue; 974 sp = &sc->ch[i]->ifsppp; 975 if (!(sp->pp_if.if_flags & IFF_UP)) 976 continue; 977 if (s) 978 timeout((timeout_t *)sp->pp_down, sp, 1 * hz); 979 else 980 timeout((timeout_t *)sp->pp_up, sp, 1 * hz); 981 } 982#endif 983 sc->framer_state = s; 984 } 985 } 986 /* Once per second check error counters */ 987 /* XXX: not clear if this is actually ok */ 988 if (!(u & 0x40)) 989 return; 990 sc->cnt_fec += sc->f54r->fec; 991 sc->cnt_cvc += sc->f54r->cvc; 992 sc->cnt_cec1 += sc->f54r->cec1; 993 sc->cnt_ebc += sc->f54r->ebc; 994 sc->cnt_cec2 += sc->f54r->cec2; 995 sc->cnt_cec3 += sc->f54r->cec3; 996 sc->cnt_rbc += sc->f54r->rbc; 997} 998 999/* 1000 * Transmit interrupt for one channel 1001 */ 1002static void 1003mn_tx_intr(struct softc *sc, u_int32_t vector) 1004{ 1005 u_int32_t chan; 1006 struct trxd *dp; 1007 struct mbuf *m; 1008 1009 chan = vector & 0x1f; 1010 if (!sc->ch[chan]) 1011 return; 1012 if (sc->ch[chan]->state != UP) { 1013 printf("%s: tx_intr when not UP\n", sc->name); 1014 return; 1015 } 1016 for (;;) { 1017 dp = sc->ch[chan]->x1; 1018 if (vtophys(dp) == sc->m32_mem.ctxd[chan]) 1019 return; 1020 m = dp->m; 1021 if (m) { 1022#if 0 1023 printf("%d = %d - %d (%p)\n", 1024 sc->ch[chan]->tx_pending - m->m_pkthdr.len, 1025 sc->ch[chan]->tx_pending , m->m_pkthdr.len, m); 1026#endif 1027 sc->ch[chan]->tx_pending -= m->m_pkthdr.len; 1028 m_freem(m); 1029 } 1030 sc->ch[chan]->last_xmit = time_second; 1031 sc->ch[chan]->x1 = dp->vnext; 1032 mn_free_desc(dp); 1033 } 1034} 1035 1036/* 1037 * Receive interrupt for one channel 1038 */ 1039static void 1040mn_rx_intr(struct softc *sc, u_int32_t vector) 1041{ 1042 u_int32_t chan, err; 1043 struct trxd *dp; 1044 struct mbuf *m; 1045 struct schan *sch; 1046 1047 chan = vector & 0x1f; 1048 if (!sc->ch[chan]) 1049 return; 1050 sch = sc->ch[chan]; 1051 if (sch->state != UP) { 1052 printf("%s: rx_intr when not UP\n", sc->name); 1053 return; 1054 } 1055 vector &= ~0x1f; 1056 if (vector == 0x30000b00) 1057 sch->rx_error++; 1058 for (;;) { 1059 dp = sch->r1; 1060 if (vtophys(dp) == sc->m32_mem.crxd[chan]) 1061 return; 1062 m = dp->m; 1063 dp->m = 0; 1064 m->m_pkthdr.len = m->m_len = (dp->status >> 16) & 0x1fff; 1065 err = (dp->status >> 8) & 0xff; 1066 if (!err) { 1067 int error; 1068 NG_SEND_DATA_ONLY(error, sch->hook, m); 1069 sch->last_recv = time_second; 1070 /* we could be down by now... */ 1071 if (sch->state != UP) 1072 return; 1073 } else if (err & 0x40) { 1074 sch->short_error++; 1075 } else if (err & 0x10) { 1076 sch->crc_error++; 1077 } else if (err & 0x08) { 1078 sch->dribble_error++; 1079 } else if (err & 0x04) { 1080 sch->long_error++; 1081 } else if (err & 0x02) { 1082 sch->abort_error++; 1083 } else if (err & 0x01) { 1084 sch->overflow_error++; 1085 } 1086 if (err) { 1087 sch->last_rxerr = time_second; 1088 sch->prev_error = sch->last_error; 1089 sch->last_error = err; 1090 } 1091 1092 sc->ch[chan]->r1 = dp->vnext; 1093 1094 /* Replenish desc + mbuf supplies */ 1095 if (!m) { 1096 MGETHDR(m, M_DONTWAIT, MT_DATA); 1097 if (m == NULL) { 1098 mn_free_desc(dp); 1099 return; /* ENOBUFS */ 1100 } 1101 MCLGET(m, M_DONTWAIT); 1102 if((m->m_flags & M_EXT) == 0) { 1103 mn_free_desc(dp); 1104 m_freem(m); 1105 return; /* ENOBUFS */ 1106 } 1107 } 1108 dp->m = m; 1109 dp->data = vtophys(m->m_data); 1110 dp->flags = 0x40000000; 1111 dp->flags += 1600 << 16; 1112 dp->next = vtophys(dp); 1113 dp->vnext = 0; 1114 sc->ch[chan]->rl->next = vtophys(dp); 1115 sc->ch[chan]->rl->vnext = dp; 1116 sc->ch[chan]->rl->flags &= ~0x40000000; 1117 sc->ch[chan]->rl = dp; 1118 } 1119} 1120 1121 1122/* 1123 * Interupt handler 1124 */ 1125 1126static void 1127mn_intr(void *xsc) 1128{ 1129 struct softc *sc; 1130 u_int32_t stat, lstat, u; 1131 int i, j; 1132 1133 sc = xsc; 1134 stat = sc->m32x->stat; 1135 lstat = sc->m32x->lstat; 1136#if 0 1137 if (!stat && !(lstat & 2)) 1138 return; 1139#endif 1140 1141 if (stat & ~0xc200) { 1142 printf("%s: I stat=%08x lstat=%08x\n", sc->name, stat, lstat); 1143 } 1144 1145 if ((stat & 0x200) || (lstat & 2)) 1146 f54_intr(sc); 1147 1148 for (j = i = 0; i < 64; i ++) { 1149 u = sc->riqb[i]; 1150 if (u) { 1151 sc->riqb[i] = 0; 1152 mn_rx_intr(sc, u); 1153 if ((u & ~0x1f) == 0x30000800 || (u & ~0x1f) == 0x30000b00) 1154 continue; 1155 u &= ~0x30000400; /* bits we don't care about */ 1156 if ((u & ~0x1f) == 0x00000900) 1157 continue; 1158 if (!(u & ~0x1f)) 1159 continue; 1160 if (!j) 1161 printf("%s*: RIQB:", sc->name); 1162 printf(" [%d]=%08x", i, u); 1163 j++; 1164 } 1165 } 1166 if (j) 1167 printf("\n"); 1168 1169 for (j = i = 0; i < 64; i ++) { 1170 u = sc->tiqb[i]; 1171 if (u) { 1172 sc->tiqb[i] = 0; 1173 mn_tx_intr(sc, u); 1174 if ((u & ~0x1f) == 0x20000800) 1175 continue; 1176 u &= ~0x20000000; /* bits we don't care about */ 1177 if (!u) 1178 continue; 1179 if (!j) 1180 printf("%s*: TIQB:", sc->name); 1181 printf(" [%d]=%08x", i, u); 1182 j++; 1183 } 1184 } 1185 if (j) 1186 printf("\n"); 1187 sc->m32x->stat = stat; 1188} 1189 1190static void 1191mn_timeout(void *xsc) 1192{ 1193 static int round = 0; 1194 struct softc *sc; 1195 1196 mn_intr(xsc); 1197 sc = xsc; 1198 timeout(mn_timeout, xsc, 10 * hz); 1199 round++; 1200 if (round == 2) { 1201 sc->m32_mem.ccb = 0x00008004; 1202 sc->m32x->cmd = 0x1; 1203 } else if (round > 2) { 1204 printf("%s: timeout\n", sc->name); 1205 } 1206} 1207 1208/* 1209 * PCI initialization stuff 1210 */ 1211 1212static int 1213mn_probe (device_t self) 1214{ 1215 u_int id = pci_get_devid(self); 1216 1217 if (sizeof (struct m32xreg) != 256) { 1218 printf("MN: sizeof(struct m32xreg) = %d, should have been 256\n", sizeof (struct m32xreg)); 1219 return (ENXIO); 1220 } 1221 if (sizeof (struct f54rreg) != 128) { 1222 printf("MN: sizeof(struct f54rreg) = %d, should have been 128\n", sizeof (struct f54rreg)); 1223 return (ENXIO); 1224 } 1225 if (sizeof (struct f54wreg) != 128) { 1226 printf("MN: sizeof(struct f54wreg) = %d, should have been 128\n", sizeof (struct f54wreg)); 1227 return (ENXIO); 1228 } 1229 1230 if (id != 0x2101110a) 1231 return (ENXIO); 1232 1233 device_set_desc_copy(self, "Munich32X E1/T1 HDLC Controller"); 1234 return (0); 1235} 1236 1237static int 1238mn_attach (device_t self) 1239{ 1240 struct softc *sc; 1241 u_int32_t u; 1242 u_int32_t ver; 1243 static int once; 1244 int rid, error; 1245 struct resource *res; 1246 1247 if (!once) { 1248 if (ng_newtype(&mntypestruct)) 1249 printf("ng_newtype failed\n"); 1250 once++; 1251 } 1252 1253 sc = (struct softc *)malloc(sizeof *sc, M_MN, M_WAITOK | M_ZERO); 1254 device_set_softc(self, sc); 1255 1256 sc->dev = self; 1257 sc->unit = device_get_unit(self); 1258 sprintf(sc->name, "mn%d", sc->unit); 1259 1260 rid = PCIR_MAPS; 1261 res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 1262 0, ~0, 1, RF_ACTIVE); 1263 if (res == NULL) { 1264 device_printf(self, "Could not map memory\n"); 1265 return ENXIO; 1266 } 1267 sc->m0v = rman_get_virtual(res); 1268 sc->m0p = rman_get_start(res); 1269 1270 rid = PCIR_MAPS + 4; 1271 res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 1272 0, ~0, 1, RF_ACTIVE); 1273 if (res == NULL) { 1274 device_printf(self, "Could not map memory\n"); 1275 return ENXIO; 1276 } 1277 sc->m1v = rman_get_virtual(res); 1278 sc->m1p = rman_get_start(res); 1279 1280 /* Allocate interrupt */ 1281 rid = 0; 1282 sc->irq = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1283 1, RF_SHAREABLE | RF_ACTIVE); 1284 1285 if (sc->irq == NULL) { 1286 printf("couldn't map interrupt\n"); 1287 return(ENXIO); 1288 } 1289 1290 error = bus_setup_intr(self, sc->irq, INTR_TYPE_NET, mn_intr, sc, &sc->intrhand); 1291 1292 if (error) { 1293 printf("couldn't set up irq\n"); 1294 return(ENXIO); 1295 } 1296 1297 u = pci_read_config(self, PCIR_COMMAND, 1); 1298 printf("%x\n", u); 1299 pci_write_config(self, PCIR_COMMAND, u | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN, 1); 1300#if 0 1301 pci_write_config(self, PCIR_COMMAND, 0x02800046, 4); 1302#endif 1303 u = pci_read_config(self, PCIR_COMMAND, 1); 1304 printf("%x\n", u); 1305 1306 ver = pci_read_config(self, PCI_CLASS_REG, 4); 1307 1308 sc->m32x = (struct m32xreg *) sc->m0v; 1309 sc->f54w = (struct f54wreg *) sc->m1v; 1310 sc->f54r = (struct f54rreg *) sc->m1v; 1311 1312 /* We must reset before poking at FALC54 registers */ 1313 u = mn_reset(sc); 1314 if (!u) 1315 return (0); 1316 1317 printf("mn%d: Munich32X", sc->unit); 1318 switch (ver & 0xff) { 1319 case 0x13: 1320 printf(" Rev 2.2"); 1321 break; 1322 default: 1323 printf(" Rev 0x%x\n", ver & 0xff); 1324 } 1325 printf(", Falc54"); 1326 switch (sc->f54r->vstr) { 1327 case 0: 1328 printf(" Rev < 1.3\n"); 1329 break; 1330 case 1: 1331 printf(" Rev 1.3\n"); 1332 break; 1333 case 2: 1334 printf(" Rev 1.4\n"); 1335 break; 1336 case 0x10: 1337 printf("-LH Rev 1.1\n"); 1338 break; 1339 case 0x13: 1340 printf("-LH Rev 1.3\n"); 1341 break; 1342 default: 1343 printf(" Rev 0x%x\n", sc->f54r->vstr); 1344 } 1345 1346 if (ng_make_node_common(&mntypestruct, &sc->node) != 0) { 1347 printf("ng_make_node_common failed\n"); 1348 return (0); 1349 } 1350 sc->node->private = sc; 1351 sprintf(sc->nodename, "%s%d", NG_MN_NODE_TYPE, sc->unit); 1352 if (ng_name_node(sc->node, sc->nodename)) { 1353 ng_rmnode(sc->node); 1354 ng_unref(sc->node); 1355 return (0); 1356 } 1357 1358 return (0); 1359} 1360 1361 1362static device_method_t mn_methods[] = { 1363 /* Device interface */ 1364 DEVMETHOD(device_probe, mn_probe), 1365 DEVMETHOD(device_attach, mn_attach), 1366 DEVMETHOD(device_suspend, bus_generic_suspend), 1367 DEVMETHOD(device_resume, bus_generic_resume), 1368 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1369 1370 {0, 0} 1371}; 1372 1373static driver_t mn_driver = { 1374 "mn", 1375 mn_methods, 1376 0 1377}; 1378 1379static devclass_t mn_devclass; 1380 1381DRIVER_MODULE(mn, pci, mn_driver, mn_devclass, 0, 0); 1382