1 /* $NetBSD: tcds.c,v 1.14 2005/02/27 00:27:49 perry Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 42 * All rights reserved. 43 * 44 * Author: Keith Bostic, Chris G. Demetriou 45 * 46 * Permission to use, copy, modify and distribute this software and 47 * its documentation is hereby granted, provided that both the copyright 48 * notice and this permission notice appear in all copies of the 49 * software, derivative works or modified versions, and any portions 50 * thereof, and that both notices appear in supporting documentation. 51 * 52 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 53 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 54 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 55 * 56 * Carnegie Mellon requests users of this software to return to 57 * 58 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 59 * School of Computer Science 60 * Carnegie Mellon University 61 * Pittsburgh PA 15213-3890 62 * 63 * any improvements or extensions that they make and grant Carnegie the 64 * rights to redistribute these changes. 65 */ 66 67 #include <sys/cdefs.h> 68 __KERNEL_RCSID(0, "$NetBSD: tcds.c,v 1.14 2005/02/27 00:27:49 perry Exp $"); 69 70 #include <sys/param.h> 71 #include <sys/kernel.h> 72 #include <sys/systm.h> 73 #include <sys/device.h> 74 #include <sys/malloc.h> 75 76 #ifdef __alpha__ 77 #include <machine/rpb.h> 78 #endif /* __alpha__ */ 79 80 #include <dev/scsipi/scsi_all.h> 81 #include <dev/scsipi/scsipi_all.h> 82 #include <dev/scsipi/scsiconf.h> 83 84 #include <dev/ic/ncr53c9xvar.h> 85 86 #include <machine/bus.h> 87 88 #include <dev/tc/tcvar.h> 89 #include <dev/tc/tcdsreg.h> 90 #include <dev/tc/tcdsvar.h> 91 92 #include "locators.h" 93 94 struct tcds_softc { 95 struct device sc_dv; 96 bus_space_tag_t sc_bst; 97 bus_space_handle_t sc_bsh; 98 bus_dma_tag_t sc_dmat; 99 void *sc_cookie; 100 int sc_flags; 101 struct tcds_slotconfig sc_slots[2]; 102 }; 103 104 /* sc_flags */ 105 #define TCDSF_BASEBOARD 0x01 /* baseboard on DEC 3000 */ 106 #define TCDSF_FASTSCSI 0x02 /* supports Fast SCSI */ 107 108 /* Definition of the driver for autoconfig. */ 109 int tcdsmatch(struct device *, struct cfdata *, void *); 110 void tcdsattach(struct device *, struct device *, void *); 111 int tcdsprint(void *, const char *); 112 int tcdssubmatch(struct device *, struct cfdata *, 113 const locdesc_t *, void *); 114 115 CFATTACH_DECL(tcds, sizeof(struct tcds_softc), 116 tcdsmatch, tcdsattach, NULL, NULL); 117 118 /*static*/ int tcds_intr(void *); 119 /*static*/ int tcds_intrnull(void *); 120 121 struct tcds_device { 122 const char *td_name; 123 int td_flags; 124 } tcds_devices[] = { 125 #ifdef __alpha__ 126 { "PMAZ-DS ", TCDSF_BASEBOARD }, 127 { "PMAZ-FS ", TCDSF_BASEBOARD|TCDSF_FASTSCSI }, 128 #endif /* __alpha__ */ 129 { "PMAZB-AA", 0 }, 130 { "PMAZC-AA", TCDSF_FASTSCSI }, 131 { NULL, 0 }, 132 }; 133 134 struct tcds_device *tcds_lookup(const char *); 135 void tcds_params(struct tcds_softc *, int, int *, int *); 136 137 struct tcds_device * 138 tcds_lookup(modname) 139 const char *modname; 140 { 141 struct tcds_device *td; 142 143 for (td = tcds_devices; td->td_name != NULL; td++) 144 if (strncmp(td->td_name, modname, TC_ROM_LLEN) == 0) 145 return (td); 146 147 return (NULL); 148 } 149 150 int 151 tcdsmatch(parent, cfdata, aux) 152 struct device *parent; 153 struct cfdata *cfdata; 154 void *aux; 155 { 156 struct tc_attach_args *ta = aux; 157 158 return (tcds_lookup(ta->ta_modname) != NULL); 159 } 160 161 void 162 tcdsattach(parent, self, aux) 163 struct device *parent, *self; 164 void *aux; 165 { 166 struct tcds_softc *sc = (struct tcds_softc *)self; 167 struct tc_attach_args *ta = aux; 168 struct tcdsdev_attach_args tcdsdev; 169 struct tcds_slotconfig *slotc; 170 struct tcds_device *td; 171 bus_space_handle_t sbsh[2]; 172 int i, gpi2; 173 const struct evcnt *pevcnt; 174 int help[2]; 175 locdesc_t *ldesc = (void *)help; /* XXX */ 176 177 td = tcds_lookup(ta->ta_modname); 178 if (td == NULL) 179 panic("\ntcdsattach: impossible"); 180 181 printf(": TurboChannel Dual SCSI"); 182 if (td->td_flags & TCDSF_BASEBOARD) 183 printf(" (baseboard)"); 184 printf("\n"); 185 186 sc->sc_flags = td->td_flags; 187 188 sc->sc_bst = ta->ta_memt; 189 sc->sc_dmat = ta->ta_dmat; 190 191 /* 192 * Map the device. 193 */ 194 if (bus_space_map(sc->sc_bst, ta->ta_addr, 195 (TCDS_SCSI1_OFFSET + 0x100), 0, &sc->sc_bsh)) { 196 printf("%s: unable to map device\n", sc->sc_dv.dv_xname); 197 return; 198 } 199 200 /* 201 * Now, slice off two subregions for the individual NCR SCSI chips. 202 */ 203 if (bus_space_subregion(sc->sc_bst, sc->sc_bsh, TCDS_SCSI0_OFFSET, 204 0x100, &sbsh[0]) || 205 bus_space_subregion(sc->sc_bst, sc->sc_bsh, TCDS_SCSI1_OFFSET, 206 0x100, &sbsh[1])) { 207 printf("%s: unable to subregion SCSI chip space\n", 208 sc->sc_dv.dv_xname); 209 return; 210 } 211 212 sc->sc_cookie = ta->ta_cookie; 213 214 pevcnt = tc_intr_evcnt(parent, sc->sc_cookie); 215 tc_intr_establish(parent, sc->sc_cookie, TC_IPL_BIO, tcds_intr, sc); 216 217 /* 218 * XXX 219 * IMER apparently has some random (or, not so random, but still 220 * not useful) bits set in it when the system boots. Clear it. 221 */ 222 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_IMER, 0); 223 224 /* XXX Initial contents of CIR? */ 225 226 /* 227 * Remember if GPI2 is set in the CIR; we'll need it later. 228 */ 229 gpi2 = (bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR) & 230 TCDS_CIR_GPI_2) != 0; 231 232 /* 233 * Set up the per-slot definitions for later use. 234 */ 235 236 /* fill in common information first */ 237 for (i = 0; i < 2; i++) { 238 char *cp; 239 240 slotc = &sc->sc_slots[i]; 241 bzero(slotc, sizeof *slotc); /* clear everything */ 242 243 cp = slotc->sc_name; 244 snprintf(cp, sizeof(slotc->sc_name), "chip %d", i); 245 evcnt_attach_dynamic(&slotc->sc_evcnt, EVCNT_TYPE_INTR, 246 pevcnt, sc->sc_dv.dv_xname, cp); 247 248 slotc->sc_slot = i; 249 slotc->sc_bst = sc->sc_bst; 250 slotc->sc_bsh = sc->sc_bsh; 251 slotc->sc_intrhand = tcds_intrnull; 252 slotc->sc_intrarg = (void *)(long)i; 253 } 254 255 /* information for slot 0 */ 256 slotc = &sc->sc_slots[0]; 257 slotc->sc_resetbits = TCDS_CIR_SCSI0_RESET; 258 slotc->sc_intrmaskbits = 259 TCDS_IMER_SCSI0_MASK | TCDS_IMER_SCSI0_ENB; 260 slotc->sc_intrbits = TCDS_CIR_SCSI0_INT; 261 slotc->sc_dmabits = TCDS_CIR_SCSI0_DMAENA; 262 slotc->sc_errorbits = 0; /* XXX */ 263 slotc->sc_sda = TCDS_SCSI0_DMA_ADDR; 264 slotc->sc_dic = TCDS_SCSI0_DMA_INTR; 265 slotc->sc_dud0 = TCDS_SCSI0_DMA_DUD0; 266 slotc->sc_dud1 = TCDS_SCSI0_DMA_DUD1; 267 268 /* information for slot 1 */ 269 slotc = &sc->sc_slots[1]; 270 slotc->sc_resetbits = TCDS_CIR_SCSI1_RESET; 271 slotc->sc_intrmaskbits = 272 TCDS_IMER_SCSI1_MASK | TCDS_IMER_SCSI1_ENB; 273 slotc->sc_intrbits = TCDS_CIR_SCSI1_INT; 274 slotc->sc_dmabits = TCDS_CIR_SCSI1_DMAENA; 275 slotc->sc_errorbits = 0; /* XXX */ 276 slotc->sc_sda = TCDS_SCSI1_DMA_ADDR; 277 slotc->sc_dic = TCDS_SCSI1_DMA_INTR; 278 slotc->sc_dud0 = TCDS_SCSI1_DMA_DUD0; 279 slotc->sc_dud1 = TCDS_SCSI1_DMA_DUD1; 280 281 /* find the hardware attached to the TCDS ASIC */ 282 for (i = 0; i < 2; i++) { 283 tcds_params(sc, i, &tcdsdev.tcdsda_id, 284 &tcdsdev.tcdsda_fast); 285 286 tcdsdev.tcdsda_bst = sc->sc_bst; 287 tcdsdev.tcdsda_bsh = sbsh[i]; 288 tcdsdev.tcdsda_dmat = sc->sc_dmat; 289 tcdsdev.tcdsda_chip = i; 290 tcdsdev.tcdsda_sc = &sc->sc_slots[i]; 291 /* 292 * Determine the chip frequency. TCDSF_FASTSCSI will be set 293 * for TC option cards. For baseboard chips, GPI2 is set, for a 294 * 25MHz clock, else a 40MHz clock. 295 */ 296 if ((sc->sc_flags & TCDSF_BASEBOARD && gpi2 == 0) || 297 sc->sc_flags & TCDSF_FASTSCSI) { 298 tcdsdev.tcdsda_freq = 40000000; 299 tcdsdev.tcdsda_period = tcdsdev.tcdsda_fast ? 4 : 8; 300 } else { 301 tcdsdev.tcdsda_freq = 25000000; 302 tcdsdev.tcdsda_period = 5; 303 } 304 if (sc->sc_flags & TCDSF_BASEBOARD) 305 tcdsdev.tcdsda_variant = NCR_VARIANT_NCR53C94; 306 else 307 tcdsdev.tcdsda_variant = NCR_VARIANT_NCR53C96; 308 309 tcds_scsi_reset(tcdsdev.tcdsda_sc); 310 311 ldesc->len = 1; 312 ldesc->locs[TCDSCF_CHIP] = i; 313 314 config_found_sm_loc(self, "tcds", ldesc, &tcdsdev, 315 tcdsprint, tcdssubmatch); 316 #ifdef __alpha__ 317 /* 318 * The second SCSI chip isn't present on the baseboard TCDS 319 * on the DEC Alpha 3000/300 series. 320 */ 321 if (sc->sc_flags & TCDSF_BASEBOARD && 322 cputype == ST_DEC_3000_300) 323 break; 324 #endif /* __alpha__ */ 325 } 326 } 327 328 int 329 tcdssubmatch(parent, cf, ldesc, aux) 330 struct device *parent; 331 struct cfdata *cf; 332 const locdesc_t *ldesc; 333 void *aux; 334 { 335 336 if (cf->cf_loc[TCDSCF_CHIP] != TCDSCF_CHIP_DEFAULT && 337 cf->cf_loc[TCDSCF_CHIP] != ldesc->locs[TCDSCF_CHIP]) 338 return (0); 339 340 return (config_match(parent, cf, aux)); 341 } 342 343 int 344 tcdsprint(aux, pnp) 345 void *aux; 346 const char *pnp; 347 { 348 struct tcdsdev_attach_args *tcdsdev = aux; 349 350 /* Only ASCs can attach to TCDSs; easy. */ 351 if (pnp) 352 aprint_normal("asc at %s", pnp); 353 354 aprint_normal(" chip %d", tcdsdev->tcdsda_chip); 355 356 return (UNCONF); 357 } 358 359 void 360 tcds_intr_establish(tcds, slot, func, arg) 361 struct device *tcds; 362 int slot; 363 int (*func)(void *); 364 void *arg; 365 { 366 struct tcds_softc *sc = (struct tcds_softc *)tcds; 367 368 if (sc->sc_slots[slot].sc_intrhand != tcds_intrnull) 369 panic("tcds_intr_establish: chip %d twice", slot); 370 371 sc->sc_slots[slot].sc_intrhand = func; 372 sc->sc_slots[slot].sc_intrarg = arg; 373 tcds_scsi_reset(&sc->sc_slots[slot]); 374 } 375 376 void 377 tcds_intr_disestablish(tcds, slot) 378 struct device *tcds; 379 int slot; 380 { 381 struct tcds_softc *sc = (struct tcds_softc *)tcds; 382 383 if (sc->sc_slots[slot].sc_intrhand == tcds_intrnull) 384 panic("tcds_intr_disestablish: chip %d missing intr", 385 slot); 386 387 sc->sc_slots[slot].sc_intrhand = tcds_intrnull; 388 sc->sc_slots[slot].sc_intrarg = (void *)(u_long)slot; 389 390 tcds_dma_enable(&sc->sc_slots[slot], 0); 391 tcds_scsi_enable(&sc->sc_slots[slot], 0); 392 } 393 394 int 395 tcds_intrnull(val) 396 void *val; 397 { 398 399 panic("tcds_intrnull: uncaught TCDS intr for chip %lu", 400 (u_long)val); 401 } 402 403 void 404 tcds_scsi_reset(sc) 405 struct tcds_slotconfig *sc; 406 { 407 u_int32_t cir; 408 409 tcds_dma_enable(sc, 0); 410 tcds_scsi_enable(sc, 0); 411 412 cir = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR); 413 TCDS_CIR_CLR(cir, sc->sc_resetbits); 414 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR, cir); 415 416 DELAY(1); 417 418 cir = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR); 419 TCDS_CIR_SET(cir, sc->sc_resetbits); 420 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR, cir); 421 422 tcds_scsi_enable(sc, 1); 423 tcds_dma_enable(sc, 1); 424 } 425 426 void 427 tcds_scsi_enable(sc, on) 428 struct tcds_slotconfig *sc; 429 int on; 430 { 431 u_int32_t imer; 432 433 imer = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_IMER); 434 435 if (on) 436 imer |= sc->sc_intrmaskbits; 437 else 438 imer &= ~sc->sc_intrmaskbits; 439 440 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_IMER, imer); 441 } 442 443 void 444 tcds_dma_enable(sc, on) 445 struct tcds_slotconfig *sc; 446 int on; 447 { 448 u_int32_t cir; 449 450 cir = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR); 451 452 /* XXX Clear/set IOSLOT/PBS bits. */ 453 if (on) 454 TCDS_CIR_SET(cir, sc->sc_dmabits); 455 else 456 TCDS_CIR_CLR(cir, sc->sc_dmabits); 457 458 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR, cir); 459 } 460 461 int 462 tcds_scsi_isintr(sc, clear) 463 struct tcds_slotconfig *sc; 464 int clear; 465 { 466 u_int32_t cir; 467 468 cir = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR); 469 470 if ((cir & sc->sc_intrbits) != 0) { 471 if (clear) { 472 TCDS_CIR_CLR(cir, sc->sc_intrbits); 473 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR, 474 cir); 475 } 476 return (1); 477 } else 478 return (0); 479 } 480 481 int 482 tcds_scsi_iserr(sc) 483 struct tcds_slotconfig *sc; 484 { 485 u_int32_t cir; 486 487 cir = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR); 488 return ((cir & sc->sc_errorbits) != 0); 489 } 490 491 int 492 tcds_intr(arg) 493 void *arg; 494 { 495 struct tcds_softc *sc = arg; 496 u_int32_t ir, ir0; 497 498 /* 499 * XXX 500 * Copy and clear (gag!) the interrupts. 501 */ 502 ir = ir0 = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR); 503 TCDS_CIR_CLR(ir0, TCDS_CIR_ALLINTR); 504 bus_space_write_4(sc->sc_bst, sc->sc_bsh, TCDS_CIR, ir0); 505 tc_syncbus(); 506 507 #define INCRINTRCNT(slot) sc->sc_slots[slot].sc_evcnt.ev_count++ 508 509 #define CHECKINTR(slot) \ 510 if (ir & sc->sc_slots[slot].sc_intrbits) { \ 511 INCRINTRCNT(slot); \ 512 (void)(*sc->sc_slots[slot].sc_intrhand) \ 513 (sc->sc_slots[slot].sc_intrarg); \ 514 } 515 CHECKINTR(0); 516 CHECKINTR(1); 517 #undef CHECKINTR 518 519 #ifdef DIAGNOSTIC 520 /* 521 * Interrupts not currently handled, but would like to know if they 522 * occur. 523 * 524 * XXX 525 * Don't know if we have to set the interrupt mask and enable bits 526 * in the IMER to allow some of them to happen? 527 */ 528 #define PRINTINTR(msg, bits) \ 529 if (ir & bits) \ 530 printf("%s: %s", sc->sc_dv.dv_xname, msg); 531 PRINTINTR("SCSI0 DREQ interrupt.\n", TCDS_CIR_SCSI0_DREQ); 532 PRINTINTR("SCSI1 DREQ interrupt.\n", TCDS_CIR_SCSI1_DREQ); 533 PRINTINTR("SCSI0 prefetch interrupt.\n", TCDS_CIR_SCSI0_PREFETCH); 534 PRINTINTR("SCSI1 prefetch interrupt.\n", TCDS_CIR_SCSI1_PREFETCH); 535 PRINTINTR("SCSI0 DMA error.\n", TCDS_CIR_SCSI0_DMA); 536 PRINTINTR("SCSI1 DMA error.\n", TCDS_CIR_SCSI1_DMA); 537 PRINTINTR("SCSI0 DB parity error.\n", TCDS_CIR_SCSI0_DB); 538 PRINTINTR("SCSI1 DB parity error.\n", TCDS_CIR_SCSI1_DB); 539 PRINTINTR("SCSI0 DMA buffer parity error.\n", TCDS_CIR_SCSI0_DMAB_PAR); 540 PRINTINTR("SCSI1 DMA buffer parity error.\n", TCDS_CIR_SCSI1_DMAB_PAR); 541 PRINTINTR("SCSI0 DMA read parity error.\n", TCDS_CIR_SCSI0_DMAR_PAR); 542 PRINTINTR("SCSI1 DMA read parity error.\n", TCDS_CIR_SCSI1_DMAR_PAR); 543 PRINTINTR("TC write parity error.\n", TCDS_CIR_TCIOW_PAR); 544 PRINTINTR("TC I/O address parity error.\n", TCDS_CIR_TCIOA_PAR); 545 #undef PRINTINTR 546 #endif 547 548 /* 549 * XXX 550 * The MACH source had this, with the comment: 551 * This is wrong, but machine keeps dying. 552 */ 553 DELAY(1); 554 555 return (1); 556 } 557 558 void 559 tcds_params(sc, chip, idp, fastp) 560 struct tcds_softc *sc; 561 int chip, *idp, *fastp; 562 { 563 int id, fast; 564 u_int32_t ids; 565 566 #ifdef __alpha__ 567 if (sc->sc_flags & TCDSF_BASEBOARD) { 568 extern u_int8_t dec_3000_scsiid[], dec_3000_scsifast[]; 569 570 id = dec_3000_scsiid[chip]; 571 fast = dec_3000_scsifast[chip]; 572 } else 573 #endif /* __alpha__ */ 574 { 575 /* 576 * SCSI IDs are stored in the EEPROM, along with whether or 577 * not the device is "fast". Chip 0 is the high nibble, 578 * chip 1 the low nibble. 579 */ 580 ids = bus_space_read_4(sc->sc_bst, sc->sc_bsh, TCDS_EEPROM_IDS); 581 if (chip == 0) 582 ids >>= 4; 583 584 id = ids & 0x7; 585 fast = ids & 0x8; 586 } 587 588 if (id < 0 || id > 7) { 589 printf("%s: WARNING: bad SCSI ID %d for chip %d, using 7\n", 590 sc->sc_dv.dv_xname, id, chip); 591 id = 7; 592 } 593 594 if (fast) 595 printf("%s: fast mode set for chip %d\n", 596 sc->sc_dv.dv_xname, chip); 597 598 *idp = id; 599 *fastp = fast; 600 } 601