siisata.c revision 1.23
1 /* $NetBSD: siisata.c,v 1.23 2012/10/22 16:43:05 jakllsch Exp $ */ 2 3 /* from ahcisata_core.c */ 4 5 /* 6 * Copyright (c) 2006 Manuel Bouyer. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 /* from atapi_wdc.c */ 31 32 /* 33 * Copyright (c) 1998, 2001 Manuel Bouyer. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 45 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 46 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 47 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 48 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 49 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 53 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /* 57 * Copyright (c) 2007, 2008, 2009, 2010 Jonathan A. Kollasch. 58 * All rights reserved. 59 * 60 * Redistribution and use in source and binary forms, with or without 61 * modification, are permitted provided that the following conditions 62 * are met: 63 * 1. Redistributions of source code must retain the above copyright 64 * notice, this list of conditions and the following disclaimer. 65 * 2. Redistributions in binary form must reproduce the above copyright 66 * notice, this list of conditions and the following disclaimer in the 67 * documentation and/or other materials provided with the distribution. 68 * 69 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 70 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 71 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 72 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 73 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 74 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 75 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 76 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 77 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 78 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 79 */ 80 81 #include <sys/cdefs.h> 82 __KERNEL_RCSID(0, "$NetBSD: siisata.c,v 1.23 2012/10/22 16:43:05 jakllsch Exp $"); 83 84 #include <sys/types.h> 85 #include <sys/malloc.h> 86 #include <sys/param.h> 87 #include <sys/kernel.h> 88 #include <sys/systm.h> 89 #include <sys/syslog.h> 90 #include <sys/disklabel.h> 91 #include <sys/buf.h> 92 #include <sys/proc.h> 93 94 #include <dev/ata/atareg.h> 95 #include <dev/ata/satavar.h> 96 #include <dev/ata/satareg.h> 97 #include <dev/ata/satafisvar.h> 98 #include <dev/ata/satafisreg.h> 99 #include <dev/ata/satapmpreg.h> 100 #include <dev/ic/siisatavar.h> 101 #include <dev/ic/siisatareg.h> 102 103 #include <dev/scsipi/scsi_all.h> /* for SCSI status */ 104 105 #include "atapibus.h" 106 107 #ifdef SIISATA_DEBUG 108 int siisata_debug_mask = 0; 109 #endif 110 111 #define ATA_DELAY 10000 /* 10s for a drive I/O */ 112 113 #ifndef __BUS_SPACE_HAS_STREAM_METHODS 114 #if _BYTE_ORDER == _LITTLE_ENDIAN 115 #define bus_space_read_stream_4 bus_space_read_4 116 #define bus_space_read_region_stream_4 bus_space_read_region_4 117 #else 118 static inline uint32_t 119 bus_space_read_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 120 { 121 return htole32(bus_space_read_4(t, h, o); 122 } 123 124 static inline void 125 bus_space_read_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, uint32_t *p, bus_size_t c) 126 { 127 bus_space_read_region_4(t, h, o, p, c); 128 for (bus_size_t i = 0; i < c; i++) { 129 p[i] = htole32(p[i]); 130 } 131 } 132 #endif 133 #endif 134 135 static void siisata_attach_port(struct siisata_softc *, int); 136 static void siisata_intr_port(struct siisata_channel *); 137 138 void siisata_probe_drive(struct ata_channel *); 139 void siisata_setup_channel(struct ata_channel *); 140 141 int siisata_ata_bio(struct ata_drive_datas *, struct ata_bio *); 142 void siisata_reset_drive(struct ata_drive_datas *, int, uint32_t *); 143 void siisata_reset_channel(struct ata_channel *, int); 144 int siisata_ata_addref(struct ata_drive_datas *); 145 void siisata_ata_delref(struct ata_drive_datas *); 146 void siisata_killpending(struct ata_drive_datas *); 147 148 void siisata_cmd_start(struct ata_channel *, struct ata_xfer *); 149 int siisata_cmd_complete(struct ata_channel *, struct ata_xfer *, int); 150 void siisata_cmd_done(struct ata_channel *, struct ata_xfer *, int); 151 void siisata_cmd_kill_xfer(struct ata_channel *, struct ata_xfer *, int); 152 153 void siisata_bio_start(struct ata_channel *, struct ata_xfer *); 154 int siisata_bio_complete(struct ata_channel *, struct ata_xfer *, int); 155 void siisata_bio_kill_xfer(struct ata_channel *, struct ata_xfer *, int); 156 int siisata_exec_command(struct ata_drive_datas *, struct ata_command *); 157 158 void siisata_timeout(void *); 159 160 static void siisata_reinit_port(struct ata_channel *); 161 static void siisata_device_reset(struct ata_channel *); 162 static void siisata_activate_prb(struct siisata_channel *, int); 163 static void siisata_deactivate_prb(struct siisata_channel *, int); 164 static int siisata_dma_setup(struct ata_channel *chp, int slot, 165 void *data, size_t, int); 166 167 #if NATAPIBUS > 0 168 void siisata_atapibus_attach(struct atabus_softc *); 169 void siisata_atapi_probe_device(struct atapibus_softc *, int); 170 void siisata_atapi_minphys(struct buf *); 171 void siisata_atapi_start(struct ata_channel *,struct ata_xfer *); 172 int siisata_atapi_complete(struct ata_channel *, struct ata_xfer *, int); 173 void siisata_atapi_kill_xfer(struct ata_channel *, struct ata_xfer *, int); 174 void siisata_atapi_done(struct ata_channel *, struct ata_xfer *, int); 175 void siisata_atapi_scsipi_request(struct scsipi_channel *, 176 scsipi_adapter_req_t, void *); 177 void siisata_atapi_kill_pending(struct scsipi_periph *); 178 #endif /* NATAPIBUS */ 179 180 const struct ata_bustype siisata_ata_bustype = { 181 SCSIPI_BUSTYPE_ATA, 182 siisata_ata_bio, 183 siisata_reset_drive, 184 siisata_reset_channel, 185 siisata_exec_command, 186 ata_get_params, 187 siisata_ata_addref, 188 siisata_ata_delref, 189 siisata_killpending 190 }; 191 192 #if NATAPIBUS > 0 193 static const struct scsipi_bustype siisata_atapi_bustype = { 194 SCSIPI_BUSTYPE_ATAPI, 195 atapi_scsipi_cmd, 196 atapi_interpret_sense, 197 atapi_print_addr, 198 siisata_atapi_kill_pending, 199 NULL, 200 }; 201 #endif /* NATAPIBUS */ 202 203 204 void 205 siisata_attach(struct siisata_softc *sc) 206 { 207 int i; 208 209 SIISATA_DEBUG_PRINT(("%s: %s: GR_GC: 0x%08x\n", 210 SIISATANAME(sc), __func__, GRREAD(sc, GR_GC)), DEBUG_FUNCS); 211 212 sc->sc_atac.atac_cap = ATAC_CAP_DMA | ATAC_CAP_UDMA; 213 sc->sc_atac.atac_pio_cap = 4; 214 sc->sc_atac.atac_dma_cap = 2; 215 sc->sc_atac.atac_udma_cap = 6; 216 sc->sc_atac.atac_channels = sc->sc_chanarray; 217 sc->sc_atac.atac_probe = siisata_probe_drive; 218 sc->sc_atac.atac_bustype_ata = &siisata_ata_bustype; 219 sc->sc_atac.atac_set_modes = siisata_setup_channel; 220 #if NATAPIBUS > 0 221 sc->sc_atac.atac_atapibus_attach = siisata_atapibus_attach; 222 #endif 223 224 /* come out of reset state */ 225 GRWRITE(sc, GR_GC, 0); 226 227 for (i = 0; i < sc->sc_atac.atac_nchannels; i++) { 228 siisata_attach_port(sc, i); 229 } 230 231 SIISATA_DEBUG_PRINT(("%s: %s: GR_GC: 0x%08x\n", 232 SIISATANAME(sc), __func__, GRREAD(sc, GR_GC)), 233 DEBUG_FUNCS); 234 return; 235 } 236 237 static void 238 siisata_disable_port_interrupt(struct ata_channel *chp) 239 { 240 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 241 242 PRWRITE(sc, PRX(chp->ch_channel, PRO_PIEC), 0xffffffff); 243 } 244 245 static void 246 siisata_enable_port_interrupt(struct ata_channel *chp) 247 { 248 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 249 250 /* clear any interrupts */ 251 (void)PRREAD(sc, PRX(chp->ch_channel, PRO_PSS)); 252 PRWRITE(sc, PRX(chp->ch_channel, PRO_PIS), 0xffffffff); 253 /* and enable CmdErrr+CmdCmpl interrupting */ 254 PRWRITE(sc, PRX(chp->ch_channel, PRO_PIES), 255 PR_PIS_CMDERRR | PR_PIS_CMDCMPL); 256 } 257 258 static void 259 siisata_init_port(struct siisata_softc *sc, int port) 260 { 261 struct siisata_channel *schp; 262 struct ata_channel *chp; 263 264 schp = &sc->sc_channels[port]; 265 chp = (struct ata_channel *)schp; 266 267 /* come out of reset, 64-bit activation */ 268 PRWRITE(sc, PRX(chp->ch_channel, PRO_PCC), 269 PR_PC_32BA | PR_PC_PORT_RESET); 270 /* initialize port */ 271 siisata_reinit_port(chp); 272 /* enable CmdErrr+CmdCmpl interrupting */ 273 siisata_enable_port_interrupt(chp); 274 /* enable port interrupt */ 275 GRWRITE(sc, GR_GC, GRREAD(sc, GR_GC) | GR_GC_PXIE(chp->ch_channel)); 276 } 277 278 static void 279 siisata_attach_port(struct siisata_softc *sc, int port) 280 { 281 int j; 282 int dmasize; 283 int error; 284 void *prbp; 285 struct siisata_channel *schp; 286 struct ata_channel *chp; 287 288 schp = &sc->sc_channels[port]; 289 chp = (struct ata_channel *)schp; 290 sc->sc_chanarray[port] = chp; 291 chp->ch_channel = port; 292 chp->ch_atac = &sc->sc_atac; 293 chp->ch_queue = malloc(sizeof(struct ata_queue), 294 M_DEVBUF, M_NOWAIT); 295 if (chp->ch_queue == NULL) { 296 aprint_error_dev(sc->sc_atac.atac_dev, 297 "port %d: can't allocate memory " 298 "for command queue\n", chp->ch_channel); 299 return; 300 } 301 302 dmasize = SIISATA_CMD_SIZE * SIISATA_MAX_SLOTS; 303 304 SIISATA_DEBUG_PRINT(("%s: %s: dmasize: %d\n", SIISATANAME(sc), 305 __func__, dmasize), DEBUG_FUNCS); 306 307 error = bus_dmamem_alloc(sc->sc_dmat, dmasize, PAGE_SIZE, 0, 308 &schp->sch_prb_seg, 1, &schp->sch_prb_nseg, BUS_DMA_NOWAIT); 309 if (error) { 310 aprint_error_dev(sc->sc_atac.atac_dev, 311 "unable to allocate PRB table memory, " 312 "error=%d\n", error); 313 return; 314 } 315 316 error = bus_dmamem_map(sc->sc_dmat, 317 &schp->sch_prb_seg, schp->sch_prb_nseg, 318 dmasize, &prbp, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 319 if (error) { 320 aprint_error_dev(sc->sc_atac.atac_dev, 321 "unable to map PRB table memory, " 322 "error=%d\n", error); 323 bus_dmamem_free(sc->sc_dmat, 324 &schp->sch_prb_seg, schp->sch_prb_nseg); 325 return; 326 } 327 328 error = bus_dmamap_create(sc->sc_dmat, dmasize, 1, dmasize, 0, 329 BUS_DMA_NOWAIT, &schp->sch_prbd); 330 if (error) { 331 aprint_error_dev(sc->sc_atac.atac_dev, 332 "unable to create PRB table map, " 333 "error=%d\n", error); 334 bus_dmamem_unmap(sc->sc_dmat, prbp, dmasize); 335 bus_dmamem_free(sc->sc_dmat, 336 &schp->sch_prb_seg, schp->sch_prb_nseg); 337 return; 338 } 339 340 error = bus_dmamap_load(sc->sc_dmat, schp->sch_prbd, 341 prbp, dmasize, NULL, BUS_DMA_NOWAIT); 342 if (error) { 343 aprint_error_dev(sc->sc_atac.atac_dev, 344 "unable to load PRB table map, " 345 "error=%d\n", error); 346 bus_dmamap_destroy(sc->sc_dmat, schp->sch_prbd); 347 bus_dmamem_unmap(sc->sc_dmat, prbp, dmasize); 348 bus_dmamem_free(sc->sc_dmat, 349 &schp->sch_prb_seg, schp->sch_prb_nseg); 350 return; 351 } 352 353 for (j = 0; j < SIISATA_MAX_SLOTS; j++) { 354 schp->sch_prb[j] = (struct siisata_prb *) 355 ((char *)prbp + SIISATA_CMD_SIZE * j); 356 schp->sch_bus_prb[j] = 357 schp->sch_prbd->dm_segs[0].ds_addr + 358 SIISATA_CMD_SIZE * j; 359 error = bus_dmamap_create(sc->sc_dmat, MAXPHYS, 360 SIISATA_NSGE, MAXPHYS, 0, 361 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 362 &schp->sch_datad[j]); 363 if (error) { 364 aprint_error_dev(sc->sc_atac.atac_dev, 365 "couldn't create xfer DMA map, error=%d\n", 366 error); 367 return; 368 } 369 } 370 371 if (bus_space_subregion(sc->sc_prt, sc->sc_prh, 372 PRX(chp->ch_channel, PRO_SSTATUS), 4, &schp->sch_sstatus) != 0) { 373 aprint_error_dev(sc->sc_atac.atac_dev, 374 "couldn't map port %d SStatus regs\n", 375 chp->ch_channel); 376 return; 377 } 378 if (bus_space_subregion(sc->sc_prt, sc->sc_prh, 379 PRX(chp->ch_channel, PRO_SCONTROL), 4, &schp->sch_scontrol) != 0) { 380 aprint_error_dev(sc->sc_atac.atac_dev, 381 "couldn't map port %d SControl regs\n", 382 chp->ch_channel); 383 return; 384 } 385 if (bus_space_subregion(sc->sc_prt, sc->sc_prh, 386 PRX(chp->ch_channel, PRO_SERROR), 4, &schp->sch_serror) != 0) { 387 aprint_error_dev(sc->sc_atac.atac_dev, 388 "couldn't map port %d SError regs\n", 389 chp->ch_channel); 390 return; 391 } 392 393 siisata_init_port(sc, port); 394 395 ata_channel_attach(chp); 396 397 return; 398 } 399 400 int 401 siisata_detach(struct siisata_softc *sc, int flags) 402 { 403 struct atac_softc *atac = &sc->sc_atac; 404 struct scsipi_adapter *adapt = &atac->atac_atapi_adapter._generic; 405 struct siisata_channel *schp; 406 struct ata_channel *chp; 407 int i, j, error; 408 409 for (i = 0; i < sc->sc_atac.atac_nchannels; i++) { 410 schp = &sc->sc_channels[i]; 411 chp = sc->sc_chanarray[i]; 412 413 if (chp->atabus == NULL) 414 continue; 415 if ((error = config_detach(chp->atabus, flags)) != 0) 416 return error; 417 418 for (j = 0; j < SIISATA_MAX_SLOTS; j++) 419 bus_dmamap_destroy(sc->sc_dmat, schp->sch_datad[j]); 420 421 bus_dmamap_unload(sc->sc_dmat, schp->sch_prbd); 422 bus_dmamap_destroy(sc->sc_dmat, schp->sch_prbd); 423 bus_dmamem_unmap(sc->sc_dmat, schp->sch_prb[0], 424 SIISATA_CMD_SIZE * SIISATA_MAX_SLOTS); 425 bus_dmamem_free(sc->sc_dmat, 426 &schp->sch_prb_seg, schp->sch_prb_nseg); 427 428 free(chp->ch_queue, M_DEVBUF); 429 chp->atabus = NULL; 430 } 431 432 if (adapt->adapt_refcnt != 0) 433 return EBUSY; 434 435 /* leave the chip in reset */ 436 GRWRITE(sc, GR_GC, GR_GC_GLBLRST); 437 438 return 0; 439 } 440 441 void 442 siisata_resume(struct siisata_softc *sc) 443 { 444 int i; 445 446 /* come out of reset state */ 447 GRWRITE(sc, GR_GC, 0); 448 449 for (i = 0; i < sc->sc_atac.atac_nchannels; i++) { 450 siisata_init_port(sc, i); 451 } 452 453 } 454 455 int 456 siisata_intr(void *v) 457 { 458 struct siisata_softc *sc = v; 459 uint32_t is; 460 int i, r = 0; 461 while ((is = GRREAD(sc, GR_GIS))) { 462 SIISATA_DEBUG_PRINT(("%s: %s: GR_GIS: 0x%08x\n", 463 SIISATANAME(sc), __func__, is), DEBUG_INTR); 464 r = 1; 465 for (i = 0; i < sc->sc_atac.atac_nchannels; i++) 466 if (is & GR_GIS_PXIS(i)) 467 siisata_intr_port(&sc->sc_channels[i]); 468 } 469 return r; 470 } 471 472 static void 473 siisata_intr_port(struct siisata_channel *schp) 474 { 475 struct siisata_softc *sc; 476 struct ata_channel *chp; 477 struct ata_xfer *xfer; 478 int slot; 479 uint32_t pss, pis; 480 uint32_t prbfis; 481 482 sc = (struct siisata_softc *)schp->ata_channel.ch_atac; 483 chp = &schp->ata_channel; 484 xfer = chp->ch_queue->active_xfer; 485 slot = SIISATA_NON_NCQ_SLOT; 486 487 pis = PRREAD(sc, PRX(chp->ch_channel, PRO_PIS)); 488 489 SIISATA_DEBUG_PRINT(("%s: %s port %d, pis 0x%x ", 490 SIISATANAME(sc), __func__, chp->ch_channel, pis), DEBUG_INTR); 491 492 if (pis & PR_PIS_CMDCMPL) { 493 /* get slot status, clearing completion interrupt */ 494 pss = PRREAD(sc, PRX(chp->ch_channel, PRO_PSS)); 495 SIISATA_DEBUG_PRINT(("pss 0x%x\n", pss), DEBUG_INTR); 496 /* is this expected? */ 497 /* XXX improve */ 498 if ((schp->sch_active_slots & __BIT(slot)) == 0) { 499 aprint_error( "%s: unexpected command " 500 "completion on port %d\n", 501 SIISATANAME(sc), chp->ch_channel); 502 return; 503 } 504 if ((~pss & __BIT(slot)) == 0) { 505 aprint_error( "%s: unknown slot " 506 "completion on port %d, pss 0x%x\n", 507 SIISATANAME(sc), chp->ch_channel, pss); 508 return; 509 } 510 } else if (pis & PR_PIS_CMDERRR) { 511 uint32_t ec; 512 513 /* emulate a CRC error by default */ 514 chp->ch_status = WDCS_ERR; 515 chp->ch_error = WDCE_CRC; 516 517 ec = PRREAD(sc, PRX(chp->ch_channel, PRO_PCE)); 518 SIISATA_DEBUG_PRINT(("ec %d\n", ec), DEBUG_INTR); 519 if (ec <= PR_PCE_DATAFISERROR) { 520 if (ec == PR_PCE_DEVICEERROR && xfer != NULL) { 521 /* read in specific information about error */ 522 prbfis = bus_space_read_stream_4( 523 sc->sc_prt, sc->sc_prh, 524 PRSX(chp->ch_channel, slot, PRSO_FIS)); 525 /* set ch_status and ch_error */ 526 satafis_rdh_parse(chp, (uint8_t *)&prbfis); 527 } 528 siisata_reinit_port(chp); 529 } else { 530 aprint_error_dev(sc->sc_atac.atac_dev, "fatal error %d" 531 " on channel %d (ctx 0x%x), resetting\n", 532 ec, chp->ch_channel, 533 PRREAD(sc, PRX(chp->ch_channel, PRO_PCR))); 534 /* okay, we have a "Fatal Error" */ 535 siisata_device_reset(chp); 536 } 537 } 538 539 /* clear some (ok, all) ints */ 540 PRWRITE(sc, PRX(chp->ch_channel, PRO_PIS), 0xffffffff); 541 if (xfer && xfer->c_intr) 542 xfer->c_intr(chp, xfer, slot); 543 544 return; 545 } 546 547 void 548 siisata_reset_drive(struct ata_drive_datas *drvp, int flags, uint32_t *sigp) 549 { 550 struct ata_channel *chp = drvp->chnl_softc; 551 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 552 struct siisata_channel *schp = (struct siisata_channel *)chp; 553 struct siisata_prb *prb; 554 int slot = SIISATA_NON_NCQ_SLOT; 555 int i; 556 557 /* wait for ready */ 558 while (!(PRREAD(sc, PRX(chp->ch_channel, PRO_PS)) & PR_PS_PORT_READY)) 559 DELAY(10); 560 561 prb = schp->sch_prb[slot]; 562 memset(prb, 0, sizeof(struct siisata_prb)); 563 prb->prb_control = 564 htole16(PRB_CF_SOFT_RESET | PRB_CF_INTERRUPT_MASK); 565 KASSERT(drvp->drive <= PMP_PORT_CTL); 566 prb->prb_fis[rhd_c] = drvp->drive; 567 568 siisata_activate_prb(schp, slot); 569 570 for(i = 0; i < 3100; i++) { 571 if ((PRREAD(sc, PRX(chp->ch_channel, PRO_PSS)) & 572 PR_PXSS(slot)) == 0) 573 break; 574 if (flags & AT_WAIT) 575 tsleep(schp, PRIBIO, "siiprb", mstohz(10)); 576 else 577 DELAY(10000); 578 } 579 580 siisata_deactivate_prb(schp, slot); 581 if (i == 3100) { 582 /* timeout */ 583 siisata_device_reset(chp); 584 if (sigp) 585 *sigp = 0xffffffff; 586 } else { 587 /* read the signature out of the FIS */ 588 if (sigp) { 589 *sigp = 0; 590 *sigp |= (PRREAD(sc, PRSX(chp->ch_channel, slot, 591 PRSO_FIS+0x4)) & 0x00ffffff) << 8; 592 *sigp |= PRREAD(sc, PRSX(chp->ch_channel, slot, 593 PRSO_FIS+0xc)) & 0xff; 594 } 595 } 596 597 #if 1 598 /* attempt to downgrade signaling in event of CRC error */ 599 /* XXX should be part of the MI (S)ATA subsystem */ 600 if (chp->ch_status == 0x51 && chp->ch_error == 0x84) { 601 bus_space_write_4(sc->sc_prt, schp->sch_scontrol, 0, 602 SControl_IPM_NONE | SControl_SPD_G1 | SControl_DET_INIT); 603 DELAY(10); 604 bus_space_write_4(sc->sc_prt, schp->sch_scontrol, 0, 605 SControl_IPM_NONE | SControl_SPD_G1); 606 DELAY(10); 607 for (;;) { 608 if ((bus_space_read_4(sc->sc_prt, schp->sch_sstatus, 0) 609 & SStatus_DET_mask) == SStatus_DET_DEV) 610 break; 611 DELAY(10); 612 } 613 } 614 #endif 615 616 #if 1 617 chp->ch_status = 0; 618 chp->ch_error = 0; 619 #endif 620 return; 621 } 622 623 void 624 siisata_reset_channel(struct ata_channel *chp, int flags) 625 { 626 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 627 struct siisata_channel *schp = (struct siisata_channel *)chp; 628 629 SIISATA_DEBUG_PRINT(("%s: %s\n", SIISATANAME(sc), __func__), 630 DEBUG_FUNCS); 631 632 if (sata_reset_interface(chp, sc->sc_prt, schp->sch_scontrol, 633 schp->sch_sstatus) != SStatus_DET_DEV) { 634 aprint_error("%s port %d: reset failed\n", 635 SIISATANAME(sc), chp->ch_channel); 636 /* XXX and then ? */ 637 } 638 /* wait for ready */ 639 while (!(PRREAD(sc, PRX(chp->ch_channel, PRO_PS)) & PR_PS_PORT_READY)) 640 DELAY(10); 641 PRWRITE(sc, PRX(chp->ch_channel, PRO_SERROR), 642 PRREAD(sc, PRX(chp->ch_channel, PRO_SERROR))); 643 if (chp->ch_queue->active_xfer) { 644 chp->ch_queue->active_xfer->c_kill_xfer(chp, 645 chp->ch_queue->active_xfer, KILL_RESET); 646 } 647 648 return; 649 } 650 651 int 652 siisata_ata_addref(struct ata_drive_datas *drvp) 653 { 654 return 0; 655 } 656 657 void 658 siisata_ata_delref(struct ata_drive_datas *drvp) 659 { 660 return; 661 } 662 663 void 664 siisata_killpending(struct ata_drive_datas *drvp) 665 { 666 return; 667 } 668 669 void 670 siisata_probe_drive(struct ata_channel *chp) 671 { 672 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 673 struct siisata_channel *schp = (struct siisata_channel *)chp; 674 int i; 675 uint32_t sig; 676 int slot = SIISATA_NON_NCQ_SLOT; 677 struct siisata_prb *prb; 678 bool timed_out; 679 680 SIISATA_DEBUG_PRINT(("%s: %s: port %d start\n", SIISATANAME(sc), 681 __func__, chp->ch_channel), DEBUG_FUNCS); 682 683 /* 684 * disable port interrupt as we're polling for PHY up and 685 * prb completion 686 */ 687 siisata_disable_port_interrupt(chp); 688 689 switch(sata_reset_interface(chp, sc->sc_prt, schp->sch_scontrol, 690 schp->sch_sstatus)) { 691 case SStatus_DET_DEV: 692 /* clear any interrupts */ 693 (void)PRREAD(sc, PRX(chp->ch_channel, PRO_PSS)); 694 PRWRITE(sc, PRX(chp->ch_channel, PRO_PIS), 0xffffffff); 695 /* wait for ready */ 696 while (!(PRREAD(sc, PRX(chp->ch_channel, PRO_PS)) 697 & PR_PS_PORT_READY)) 698 DELAY(10); 699 prb = schp->sch_prb[slot]; 700 memset(prb, 0, sizeof(struct siisata_prb)); 701 prb->prb_control = htole16(PRB_CF_SOFT_RESET); 702 prb->prb_fis[rhd_c] = PMP_PORT_CTL; 703 704 siisata_activate_prb(schp, slot); 705 706 timed_out = 1; 707 for(i = 0; i < 3100; i++) { 708 if ((PRREAD(sc, PRX(chp->ch_channel, PRO_PSS)) & 709 PR_PXSS(slot)) == 0) { 710 /* prb completed */ 711 timed_out = 0; 712 break; 713 } 714 if (PRREAD(sc, PRX(chp->ch_channel, PRO_PIS)) & 715 (PR_PIS_CMDERRR << 16)) { 716 /* we got an error; handle as timeout */ 717 break; 718 } 719 720 tsleep(schp, PRIBIO, "siiprb", mstohz(10)); 721 } 722 723 siisata_deactivate_prb(schp, slot); 724 if (timed_out) { 725 aprint_error_dev(sc->sc_atac.atac_dev, 726 "SOFT_RESET failed on port %d (error %d PSS 0x%x), " 727 "disabling\n", chp->ch_channel, 728 PRREAD(sc, PRX(chp->ch_channel, PRO_PCE)), 729 PRREAD(sc, PRX(chp->ch_channel, PRO_PSS))); 730 PRWRITE(sc, PRX(chp->ch_channel, PRO_PCS), 731 PR_PC_PORT_RESET); 732 break; 733 } 734 735 /* read the signature out of the FIS */ 736 sig = 0; 737 sig |= (PRREAD(sc, PRSX(chp->ch_channel, slot, 738 PRSO_FIS+0x4)) & 0x00ffffff) << 8; 739 sig |= PRREAD(sc, PRSX(chp->ch_channel, slot, 740 PRSO_FIS+0xc)) & 0xff; 741 742 SIISATA_DEBUG_PRINT(("%s: %s: sig=0x%08x\n", SIISATANAME(sc), 743 __func__, sig), DEBUG_PROBE); 744 745 if (sig == 0x96690101) 746 PRWRITE(sc, PRX(chp->ch_channel, PRO_PCS), 747 PR_PC_PMP_ENABLE); 748 sata_interpret_sig(chp, 0, sig); 749 break; 750 default: 751 break; 752 } 753 754 siisata_enable_port_interrupt(chp); 755 SIISATA_DEBUG_PRINT(("%s: %s: port %d done\n", SIISATANAME(sc), 756 __func__, chp->ch_channel), DEBUG_PROBE); 757 return; 758 } 759 760 void 761 siisata_setup_channel(struct ata_channel *chp) 762 { 763 return; 764 } 765 766 int 767 siisata_exec_command(struct ata_drive_datas *drvp, struct ata_command *ata_c) 768 { 769 struct ata_channel *chp = drvp->chnl_softc; 770 struct ata_xfer *xfer; 771 int ret; 772 int s; 773 774 SIISATA_DEBUG_PRINT(("%s: %s begins\n", 775 SIISATANAME((struct siisata_softc *)chp->ch_atac), __func__), 776 DEBUG_FUNCS); 777 778 xfer = ata_get_xfer(ata_c->flags & AT_WAIT ? 779 ATAXF_CANSLEEP : ATAXF_NOSLEEP); 780 if (xfer == NULL) 781 return ATACMD_TRY_AGAIN; 782 if (ata_c->flags & AT_POLL) 783 xfer->c_flags |= C_POLL; 784 if (ata_c->flags & AT_WAIT) 785 xfer->c_flags |= C_WAIT; 786 xfer->c_drive = drvp->drive; 787 xfer->c_databuf = ata_c->data; 788 xfer->c_bcount = ata_c->bcount; 789 xfer->c_cmd = ata_c; 790 xfer->c_start = siisata_cmd_start; 791 xfer->c_intr = siisata_cmd_complete; 792 xfer->c_kill_xfer = siisata_cmd_kill_xfer; 793 s = splbio(); 794 ata_exec_xfer(chp, xfer); 795 #ifdef DIAGNOSTIC 796 if ((ata_c->flags & AT_POLL) != 0 && 797 (ata_c->flags & AT_DONE) == 0) 798 panic("%s: polled command not done", __func__); 799 #endif 800 if (ata_c->flags & AT_DONE) { 801 ret = ATACMD_COMPLETE; 802 } else { 803 if (ata_c->flags & AT_WAIT) { 804 while ((ata_c->flags & AT_DONE) == 0) { 805 SIISATA_DEBUG_PRINT(("%s: %s: sleeping\n", 806 SIISATANAME( 807 (struct siisata_softc *)chp->ch_atac), 808 __func__), DEBUG_FUNCS); 809 tsleep(ata_c, PRIBIO, "siicmd", 0); 810 } 811 ret = ATACMD_COMPLETE; 812 } else { 813 ret = ATACMD_QUEUED; 814 } 815 } 816 splx(s); 817 SIISATA_DEBUG_PRINT( ("%s: %s ends\n", 818 SIISATANAME((struct siisata_softc *)chp->ch_atac), __func__), 819 DEBUG_FUNCS); 820 return ret; 821 } 822 823 void 824 siisata_cmd_start(struct ata_channel *chp, struct ata_xfer *xfer) 825 { 826 struct siisata_channel *schp = (struct siisata_channel *)chp; 827 struct ata_command *ata_c = xfer->c_cmd; 828 int slot = SIISATA_NON_NCQ_SLOT; 829 struct siisata_prb *prb; 830 int i; 831 832 SIISATA_DEBUG_PRINT(("%s: %s port %d drive %d command 0x%x, slot %d\n", 833 SIISATANAME((struct siisata_softc *)chp->ch_atac), 834 __func__, chp->ch_channel, xfer->c_drive, 835 ata_c->r_command, slot), 836 DEBUG_FUNCS|DEBUG_XFERS); 837 838 chp->ch_status = 0; 839 chp->ch_error = 0; 840 841 prb = schp->sch_prb[slot]; 842 memset(prb, 0, sizeof(struct siisata_prb)); 843 844 satafis_rhd_construct_cmd(ata_c, prb->prb_fis); 845 KASSERT(xfer->c_drive <= PMP_PORT_CTL); 846 prb->prb_fis[rhd_c] |= xfer->c_drive; 847 848 memset(prb->prb_atapi, 0, sizeof(prb->prb_atapi)); 849 850 if (siisata_dma_setup(chp, slot, 851 (ata_c->flags & (AT_READ | AT_WRITE)) ? ata_c->data : NULL, 852 ata_c->bcount, 853 (ata_c->flags & AT_READ) ? BUS_DMA_READ : BUS_DMA_WRITE)) { 854 ata_c->flags |= AT_DF; 855 siisata_cmd_complete(chp, xfer, slot); 856 return; 857 } 858 859 if (xfer->c_flags & C_POLL) { 860 /* polled command, disable interrupts */ 861 prb->prb_control = htole16(PRB_CF_INTERRUPT_MASK); 862 siisata_disable_port_interrupt(chp); 863 } 864 865 /* go for it */ 866 siisata_activate_prb(schp, slot); 867 868 if ((ata_c->flags & AT_POLL) == 0) { 869 chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ 870 callout_reset(&chp->ch_callout, mstohz(ata_c->timeout), 871 siisata_timeout, chp); 872 goto out; 873 } 874 875 /* 876 * polled command 877 */ 878 for (i = 0; i < ata_c->timeout / 10; i++) { 879 if (ata_c->flags & AT_DONE) 880 break; 881 siisata_intr_port(schp); 882 DELAY(1000); 883 } 884 885 if ((ata_c->flags & AT_DONE) == 0) { 886 siisata_timeout(chp); 887 } 888 889 /* reenable interrupts */ 890 siisata_enable_port_interrupt(chp); 891 out: 892 SIISATA_DEBUG_PRINT( 893 ("%s: %s: done\n", SIISATANAME((struct siisata_softc *)chp->ch_atac), __func__), DEBUG_FUNCS); 894 return; 895 } 896 897 void 898 siisata_cmd_kill_xfer(struct ata_channel *chp, struct ata_xfer *xfer, 899 int reason) 900 { 901 int slot = SIISATA_NON_NCQ_SLOT; 902 903 struct ata_command *ata_c = xfer->c_cmd; 904 switch (reason) { 905 case KILL_GONE: 906 ata_c->flags |= AT_GONE; 907 break; 908 case KILL_RESET: 909 ata_c->flags |= AT_RESET; 910 break; 911 default: 912 panic("%s: port %d: unknown reason %d", 913 __func__, chp->ch_channel, reason); 914 } 915 siisata_cmd_done(chp, xfer, slot); 916 } 917 918 int 919 siisata_cmd_complete(struct ata_channel *chp, struct ata_xfer *xfer, int slot) 920 { 921 struct ata_command *ata_c = xfer->c_cmd; 922 #ifdef SIISATA_DEBUG 923 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 924 #endif 925 926 SIISATA_DEBUG_PRINT( 927 ("%s: %s\n", SIISATANAME(sc), __func__), DEBUG_FUNCS|DEBUG_XFERS); 928 929 chp->ch_flags &= ~ATACH_IRQ_WAIT; 930 if (xfer->c_flags & C_TIMEOU) 931 ata_c->flags |= AT_TIMEOU; 932 else 933 callout_stop(&chp->ch_callout); 934 935 if (chp->ch_status & WDCS_BSY) { 936 ata_c->flags |= AT_TIMEOU; 937 } else if (chp->ch_status & WDCS_ERR) { 938 ata_c->r_error = chp->ch_error; 939 ata_c->flags |= AT_ERROR; 940 } 941 942 if (chp->ch_drive[xfer->c_drive].drive_flags & ATA_DRIVE_WAITDRAIN) { 943 siisata_cmd_kill_xfer(chp, xfer, KILL_GONE); 944 chp->ch_drive[xfer->c_drive].drive_flags &= ~ATA_DRIVE_WAITDRAIN; 945 wakeup(&chp->ch_queue->active_xfer); 946 return 0; 947 } else 948 siisata_cmd_done(chp, xfer, slot); 949 950 return 0; 951 } 952 953 void 954 siisata_cmd_done(struct ata_channel *chp, struct ata_xfer *xfer, int slot) 955 { 956 uint32_t fis[howmany(RDH_FISLEN,sizeof(uint32_t))]; 957 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 958 struct siisata_channel *schp = (struct siisata_channel *)chp; 959 struct ata_command *ata_c = xfer->c_cmd; 960 uint16_t *idwordbuf; 961 int i; 962 963 SIISATA_DEBUG_PRINT( 964 ("%s: %s flags 0x%x error 0x%x\n", SIISATANAME(sc), __func__, 965 ata_c->flags, ata_c->r_error), DEBUG_FUNCS|DEBUG_XFERS); 966 967 siisata_deactivate_prb(schp, slot); 968 969 if (ata_c->flags & (AT_READ | AT_WRITE)) { 970 bus_dmamap_sync(sc->sc_dmat, schp->sch_datad[slot], 0, 971 schp->sch_datad[slot]->dm_mapsize, 972 (ata_c->flags & AT_READ) ? BUS_DMASYNC_POSTREAD : 973 BUS_DMASYNC_POSTWRITE); 974 bus_dmamap_unload(sc->sc_dmat, schp->sch_datad[slot]); 975 } 976 977 if (ata_c->flags & AT_READREG) { 978 bus_space_read_region_stream_4(sc->sc_prt, sc->sc_prh, 979 PRSX(chp->ch_channel, slot, PRSO_FIS), 980 fis, __arraycount(fis)); 981 satafis_rdh_cmd_readreg(ata_c, (uint8_t *)fis); 982 } 983 984 /* correct the endianess of IDENTIFY data */ 985 if (ata_c->r_command == WDCC_IDENTIFY || 986 ata_c->r_command == ATAPI_IDENTIFY_DEVICE) { 987 idwordbuf = xfer->c_databuf; 988 for (i = 0; i < (xfer->c_bcount / sizeof(*idwordbuf)); i++) { 989 idwordbuf[i] = le16toh(idwordbuf[i]); 990 } 991 } 992 993 ata_c->flags |= AT_DONE; 994 if (PRREAD(sc, PRSX(chp->ch_channel, slot, PRSO_RTC))) 995 ata_c->flags |= AT_XFDONE; 996 997 chp->ch_queue->active_xfer = NULL; 998 ata_free_xfer(chp, xfer); 999 if (ata_c->flags & AT_WAIT) 1000 wakeup(ata_c); 1001 else if (ata_c->callback) 1002 ata_c->callback(ata_c->callback_arg); 1003 atastart(chp); 1004 return; 1005 } 1006 1007 int 1008 siisata_ata_bio(struct ata_drive_datas *drvp, struct ata_bio *ata_bio) 1009 { 1010 struct ata_channel *chp = drvp->chnl_softc; 1011 struct ata_xfer *xfer; 1012 1013 SIISATA_DEBUG_PRINT( ("%s: %s.\n", 1014 SIISATANAME((struct siisata_softc *)chp->ch_atac), 1015 __func__), DEBUG_FUNCS); 1016 1017 xfer = ata_get_xfer(ATAXF_NOSLEEP); 1018 if (xfer == NULL) 1019 return ATACMD_TRY_AGAIN; 1020 if (ata_bio->flags & ATA_POLL) 1021 xfer->c_flags |= C_POLL; 1022 xfer->c_drive = drvp->drive; 1023 xfer->c_cmd = ata_bio; 1024 xfer->c_databuf = ata_bio->databuf; 1025 xfer->c_bcount = ata_bio->bcount; 1026 xfer->c_start = siisata_bio_start; 1027 xfer->c_intr = siisata_bio_complete; 1028 xfer->c_kill_xfer = siisata_bio_kill_xfer; 1029 ata_exec_xfer(chp, xfer); 1030 return (ata_bio->flags & ATA_ITSDONE) ? 1031 ATACMD_COMPLETE : ATACMD_QUEUED; 1032 } 1033 1034 void 1035 siisata_bio_start(struct ata_channel *chp, struct ata_xfer *xfer) 1036 { 1037 struct siisata_channel *schp = (struct siisata_channel *)chp; 1038 struct siisata_prb *prb; 1039 struct ata_bio *ata_bio = xfer->c_cmd; 1040 int slot = SIISATA_NON_NCQ_SLOT; 1041 int i; 1042 1043 SIISATA_DEBUG_PRINT( 1044 ("%s: %s port %d, slot %d\n", 1045 SIISATANAME((struct siisata_softc *)chp->ch_atac), __func__, chp->ch_channel, slot), 1046 DEBUG_FUNCS); 1047 1048 chp->ch_status = 0; 1049 chp->ch_error = 0; 1050 1051 prb = schp->sch_prb[slot]; 1052 memset(prb, 0, sizeof(struct siisata_prb)); 1053 1054 satafis_rhd_construct_bio(xfer, prb->prb_fis); 1055 KASSERT(xfer->c_drive <= PMP_PORT_CTL); 1056 prb->prb_fis[rhd_c] |= xfer->c_drive; 1057 1058 memset(prb->prb_atapi, 0, sizeof(prb->prb_atapi)); 1059 1060 if (siisata_dma_setup(chp, slot, ata_bio->databuf, ata_bio->bcount, 1061 (ata_bio->flags & ATA_READ) ? BUS_DMA_READ : BUS_DMA_WRITE)) { 1062 ata_bio->error = ERR_DMA; 1063 ata_bio->r_error = 0; 1064 siisata_bio_complete(chp, xfer, slot); 1065 return; 1066 } 1067 1068 if (xfer->c_flags & C_POLL) { 1069 /* polled command, disable interrupts */ 1070 prb->prb_control = htole16(PRB_CF_INTERRUPT_MASK); 1071 siisata_disable_port_interrupt(chp); 1072 } 1073 1074 siisata_activate_prb(schp, slot); 1075 1076 if ((ata_bio->flags & ATA_POLL) == 0) { 1077 chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ 1078 callout_reset(&chp->ch_callout, mstohz(ATA_DELAY), 1079 siisata_timeout, chp); 1080 goto out; 1081 } 1082 1083 /* 1084 * polled command 1085 */ 1086 for (i = 0; i < ATA_DELAY / 10; i++) { 1087 if (ata_bio->flags & ATA_ITSDONE) 1088 break; 1089 siisata_intr_port(schp); 1090 DELAY(1000); 1091 } 1092 1093 siisata_enable_port_interrupt(chp); 1094 out: 1095 SIISATA_DEBUG_PRINT( 1096 ("%s: %s: done\n", SIISATANAME((struct siisata_softc *)chp->ch_atac), __func__), DEBUG_FUNCS); 1097 return; 1098 } 1099 1100 void 1101 siisata_bio_kill_xfer(struct ata_channel *chp, struct ata_xfer *xfer, 1102 int reason) 1103 { 1104 struct siisata_channel *schp = (struct siisata_channel *)chp; 1105 struct ata_bio *ata_bio = xfer->c_cmd; 1106 int drive = xfer->c_drive; 1107 int slot = SIISATA_NON_NCQ_SLOT; 1108 1109 SIISATA_DEBUG_PRINT(("%s: %s: port %d\n", 1110 SIISATANAME((struct siisata_softc *)chp->ch_atac), 1111 __func__, chp->ch_channel), DEBUG_FUNCS); 1112 1113 siisata_deactivate_prb(schp, slot); 1114 1115 ata_free_xfer(chp, xfer); 1116 ata_bio->flags |= ATA_ITSDONE; 1117 switch (reason) { 1118 case KILL_GONE: 1119 ata_bio->error = ERR_NODEV; 1120 break; 1121 case KILL_RESET: 1122 ata_bio->error = ERR_RESET; 1123 break; 1124 default: 1125 panic("%s: port %d: unknown reason %d", 1126 __func__, chp->ch_channel, reason); 1127 } 1128 ata_bio->r_error = WDCE_ABRT; 1129 (*chp->ch_drive[drive].drv_done)(chp->ch_drive[drive].drv_softc); 1130 } 1131 1132 int 1133 siisata_bio_complete(struct ata_channel *chp, struct ata_xfer *xfer, int slot) 1134 { 1135 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 1136 struct siisata_channel *schp = (struct siisata_channel *)chp; 1137 struct ata_bio *ata_bio = xfer->c_cmd; 1138 int drive = xfer->c_drive; 1139 1140 schp->sch_active_slots &= ~__BIT(slot); 1141 chp->ch_flags &= ~ATACH_IRQ_WAIT; 1142 if (xfer->c_flags & C_TIMEOU) { 1143 ata_bio->error = TIMEOUT; 1144 } else { 1145 callout_stop(&chp->ch_callout); 1146 ata_bio->error = NOERROR; 1147 } 1148 1149 bus_dmamap_sync(sc->sc_dmat, schp->sch_datad[slot], 0, 1150 schp->sch_datad[slot]->dm_mapsize, 1151 (ata_bio->flags & ATA_READ) ? BUS_DMASYNC_POSTREAD : 1152 BUS_DMASYNC_POSTWRITE); 1153 bus_dmamap_unload(sc->sc_dmat, schp->sch_datad[slot]); 1154 1155 if (chp->ch_drive[xfer->c_drive].drive_flags & ATA_DRIVE_WAITDRAIN) { 1156 siisata_bio_kill_xfer(chp, xfer, KILL_GONE); 1157 chp->ch_drive[xfer->c_drive].drive_flags &= ~ATA_DRIVE_WAITDRAIN; 1158 wakeup(&chp->ch_queue->active_xfer); 1159 return 0; 1160 } 1161 1162 chp->ch_queue->active_xfer = NULL; 1163 ata_free_xfer(chp, xfer); 1164 ata_bio->flags |= ATA_ITSDONE; 1165 if (chp->ch_status & WDCS_DWF) { 1166 ata_bio->error = ERR_DF; 1167 } else if (chp->ch_status & WDCS_ERR) { 1168 ata_bio->error = ERROR; 1169 ata_bio->r_error = chp->ch_error; 1170 } else if (chp->ch_status & WDCS_CORR) 1171 ata_bio->flags |= ATA_CORR; 1172 1173 SIISATA_DEBUG_PRINT(("%s: %s bcount: %ld", SIISATANAME(sc), 1174 __func__, ata_bio->bcount), DEBUG_XFERS); 1175 if (ata_bio->error == NOERROR) { 1176 if (ata_bio->flags & ATA_READ) 1177 ata_bio->bcount -= 1178 PRREAD(sc, PRSX(chp->ch_channel, slot, PRSO_RTC)); 1179 else 1180 ata_bio->bcount = 0; 1181 } 1182 SIISATA_DEBUG_PRINT((" now %ld\n", ata_bio->bcount), DEBUG_XFERS); 1183 if (ata_bio->flags & ATA_POLL) 1184 return 1; 1185 (*chp->ch_drive[drive].drv_done)(chp->ch_drive[drive].drv_softc); 1186 atastart(chp); 1187 return 0; 1188 } 1189 1190 void 1191 siisata_timeout(void *v) 1192 { 1193 struct ata_channel *chp = (struct ata_channel *)v; 1194 struct ata_xfer *xfer = chp->ch_queue->active_xfer; 1195 int slot = SIISATA_NON_NCQ_SLOT; 1196 int s = splbio(); 1197 SIISATA_DEBUG_PRINT(("%s: %p\n", __func__, xfer), DEBUG_INTR); 1198 siisata_device_reset(chp); 1199 if ((chp->ch_flags & ATACH_IRQ_WAIT) != 0) { 1200 xfer->c_flags |= C_TIMEOU; 1201 xfer->c_intr(chp, xfer, slot); 1202 } 1203 splx(s); 1204 } 1205 1206 static int 1207 siisata_dma_setup(struct ata_channel *chp, int slot, void *data, 1208 size_t count, int op) 1209 { 1210 1211 int error, seg; 1212 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 1213 struct siisata_channel *schp = (struct siisata_channel *)chp; 1214 1215 struct siisata_prb *prbp; 1216 1217 prbp = schp->sch_prb[slot]; 1218 1219 if (data == NULL) { 1220 goto end; 1221 } 1222 1223 error = bus_dmamap_load(sc->sc_dmat, schp->sch_datad[slot], 1224 data, count, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING | op); 1225 if (error) { 1226 aprint_error("%s port %d: " 1227 "failed to load xfer in slot %d: error %d\n", 1228 SIISATANAME(sc), chp->ch_channel, slot, error); 1229 return error; 1230 } 1231 1232 bus_dmamap_sync(sc->sc_dmat, schp->sch_datad[slot], 0, 1233 schp->sch_datad[slot]->dm_mapsize, 1234 (op == BUS_DMA_READ) ? BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1235 1236 /* make sure it's clean */ 1237 memset(prbp->prb_sge, 0, SIISATA_NSGE * sizeof(struct siisata_prb)); 1238 1239 SIISATA_DEBUG_PRINT(("%s: %d segs, %ld count\n", __func__, 1240 schp->sch_datad[slot]->dm_nsegs, (long unsigned int) count), 1241 DEBUG_FUNCS | DEBUG_DEBUG); 1242 1243 for (seg = 0; seg < schp->sch_datad[slot]->dm_nsegs; seg++) { 1244 prbp->prb_sge[seg].sge_da = 1245 htole64(schp->sch_datad[slot]->dm_segs[seg].ds_addr); 1246 prbp->prb_sge[seg].sge_dc = 1247 htole32(schp->sch_datad[slot]->dm_segs[seg].ds_len); 1248 prbp->prb_sge[seg].sge_flags = htole32(0); 1249 } 1250 prbp->prb_sge[seg - 1].sge_flags |= htole32(SGE_FLAG_TRM); 1251 end: 1252 return 0; 1253 } 1254 1255 static void 1256 siisata_activate_prb(struct siisata_channel *schp, int slot) 1257 { 1258 struct siisata_softc *sc; 1259 bus_size_t offset; 1260 uint64_t pprb; 1261 1262 sc = (struct siisata_softc *)schp->ata_channel.ch_atac; 1263 1264 KASSERTMSG((schp->sch_active_slots & __BIT(slot)) != __BIT(slot), 1265 "%s: trying to activate active slot %d", SIISATANAME(sc), slot); 1266 1267 SIISATA_PRB_SYNC(sc, schp, slot, BUS_DMASYNC_PREWRITE); 1268 /* keep track of what's going on */ 1269 schp->sch_active_slots |= __BIT(slot); 1270 1271 offset = PRO_CARX(schp->ata_channel.ch_channel, slot); 1272 1273 pprb = schp->sch_bus_prb[slot]; 1274 1275 PRWRITE(sc, offset + 0, pprb >> 0); 1276 PRWRITE(sc, offset + 4, pprb >> 32); 1277 } 1278 1279 static void 1280 siisata_deactivate_prb(struct siisata_channel *schp, int slot) 1281 { 1282 struct siisata_softc *sc; 1283 1284 sc = (struct siisata_softc *)schp->ata_channel.ch_atac; 1285 1286 KASSERTMSG((schp->sch_active_slots & __BIT(slot)) != 0, 1287 "%s: trying to deactivate inactive slot %d", SIISATANAME(sc), 1288 slot); 1289 1290 schp->sch_active_slots &= ~__BIT(slot); /* mark free */ 1291 SIISATA_PRB_SYNC(sc, schp, slot, BUS_DMASYNC_POSTWRITE); 1292 } 1293 1294 static void 1295 siisata_reinit_port(struct ata_channel *chp) 1296 { 1297 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 1298 1299 PRWRITE(sc, PRX(chp->ch_channel, PRO_PCS), PR_PC_PORT_INITIALIZE); 1300 while (!(PRREAD(sc, PRX(chp->ch_channel, PRO_PS)) & PR_PS_PORT_READY)) 1301 DELAY(10); 1302 if (chp->ch_ndrives > 1) 1303 PRWRITE(sc, PRX(chp->ch_channel, PRO_PCS), PR_PC_PMP_ENABLE); 1304 } 1305 1306 static void 1307 siisata_device_reset(struct ata_channel *chp) 1308 { 1309 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 1310 1311 PRWRITE(sc, PRX(chp->ch_channel, PRO_PCS), PR_PC_DEVICE_RESET); 1312 while (!(PRREAD(sc, PRX(chp->ch_channel, PRO_PS)) & PR_PS_PORT_READY)) 1313 DELAY(10); 1314 } 1315 1316 1317 #if NATAPIBUS > 0 1318 void 1319 siisata_atapibus_attach(struct atabus_softc *ata_sc) 1320 { 1321 struct ata_channel *chp = ata_sc->sc_chan; 1322 struct atac_softc *atac = chp->ch_atac; 1323 struct scsipi_adapter *adapt = &atac->atac_atapi_adapter._generic; 1324 struct scsipi_channel *chan = &chp->ch_atapi_channel; 1325 1326 /* 1327 * Fill in the scsipi_adapter. 1328 */ 1329 adapt->adapt_dev = atac->atac_dev; 1330 adapt->adapt_nchannels = atac->atac_nchannels; 1331 adapt->adapt_request = siisata_atapi_scsipi_request; 1332 adapt->adapt_minphys = siisata_atapi_minphys; 1333 atac->atac_atapi_adapter.atapi_probe_device = 1334 siisata_atapi_probe_device; 1335 1336 /* 1337 * Fill in the scsipi_channel. 1338 */ 1339 memset(chan, 0, sizeof(*chan)); 1340 chan->chan_adapter = adapt; 1341 chan->chan_bustype = &siisata_atapi_bustype; 1342 chan->chan_channel = chp->ch_channel; 1343 chan->chan_flags = SCSIPI_CHAN_OPENINGS; 1344 chan->chan_openings = 1; 1345 chan->chan_max_periph = 1; 1346 chan->chan_ntargets = 1; 1347 chan->chan_nluns = 1; 1348 1349 chp->atapibus = config_found_ia(ata_sc->sc_dev, "atapi", chan, 1350 atapiprint); 1351 } 1352 1353 void 1354 siisata_atapi_minphys(struct buf *bp) 1355 { 1356 if (bp->b_bcount > MAXPHYS) 1357 bp->b_bcount = MAXPHYS; 1358 minphys(bp); 1359 } 1360 1361 /* 1362 * Kill off all pending xfers for a periph. 1363 * 1364 * Must be called at splbio(). 1365 */ 1366 void 1367 siisata_atapi_kill_pending(struct scsipi_periph *periph) 1368 { 1369 struct atac_softc *atac = 1370 device_private(periph->periph_channel->chan_adapter->adapt_dev); 1371 struct ata_channel *chp = 1372 atac->atac_channels[periph->periph_channel->chan_channel]; 1373 1374 ata_kill_pending(&chp->ch_drive[periph->periph_target]); 1375 } 1376 1377 void 1378 siisata_atapi_kill_xfer(struct ata_channel *chp, struct ata_xfer *xfer, 1379 int reason) 1380 { 1381 struct scsipi_xfer *sc_xfer = xfer->c_cmd; 1382 1383 /* remove this command from xfer queue */ 1384 switch (reason) { 1385 case KILL_GONE: 1386 sc_xfer->error = XS_DRIVER_STUFFUP; 1387 break; 1388 case KILL_RESET: 1389 sc_xfer->error = XS_RESET; 1390 break; 1391 default: 1392 panic("%s: port %d: unknown reason %d", 1393 __func__, chp->ch_channel, reason); 1394 } 1395 ata_free_xfer(chp, xfer); 1396 scsipi_done(sc_xfer); 1397 } 1398 1399 void 1400 siisata_atapi_probe_device(struct atapibus_softc *sc, int target) 1401 { 1402 struct scsipi_channel *chan = sc->sc_channel; 1403 struct scsipi_periph *periph; 1404 struct ataparams ids; 1405 struct ataparams *id = &ids; 1406 struct siisata_softc *siic = 1407 device_private(chan->chan_adapter->adapt_dev); 1408 struct atac_softc *atac = &siic->sc_atac; 1409 struct ata_channel *chp = atac->atac_channels[chan->chan_channel]; 1410 struct ata_drive_datas *drvp = &chp->ch_drive[target]; 1411 struct scsipibus_attach_args sa; 1412 char serial_number[21], model[41], firmware_revision[9]; 1413 int s; 1414 1415 /* skip if already attached */ 1416 if (scsipi_lookup_periph(chan, target, 0) != NULL) 1417 return; 1418 1419 /* if no ATAPI device detected at attach time, skip */ 1420 if (drvp->drive_type == ATA_DRIVET_ATAPI) { 1421 SIISATA_DEBUG_PRINT(("%s: drive %d " 1422 "not present\n", __func__, target), DEBUG_PROBE); 1423 return; 1424 } 1425 1426 /* Some ATAPI devices need a bit more time after software reset. */ 1427 DELAY(5000); 1428 if (ata_get_params(drvp, AT_WAIT, id) == 0) { 1429 #ifdef ATAPI_DEBUG_PROBE 1430 log(LOG_DEBUG, "%s drive %d: cmdsz 0x%x drqtype 0x%x\n", 1431 device_xname(sc->sc_dev), target, 1432 id->atap_config & ATAPI_CFG_CMD_MASK, 1433 id->atap_config & ATAPI_CFG_DRQ_MASK); 1434 #endif 1435 periph = scsipi_alloc_periph(M_NOWAIT); 1436 if (periph == NULL) { 1437 aprint_error_dev(sc->sc_dev, 1438 "%s: unable to allocate periph for " 1439 "channel %d drive %d\n", __func__, 1440 chp->ch_channel, target); 1441 return; 1442 } 1443 periph->periph_dev = NULL; 1444 periph->periph_channel = chan; 1445 periph->periph_switch = &atapi_probe_periphsw; 1446 periph->periph_target = target; 1447 periph->periph_lun = 0; 1448 periph->periph_quirks = PQUIRK_ONLYBIG; 1449 1450 #ifdef SCSIPI_DEBUG 1451 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_ATAPI && 1452 SCSIPI_DEBUG_TARGET == target) 1453 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 1454 #endif 1455 periph->periph_type = ATAPI_CFG_TYPE(id->atap_config); 1456 if (id->atap_config & ATAPI_CFG_REMOV) 1457 periph->periph_flags |= PERIPH_REMOVABLE; 1458 sa.sa_periph = periph; 1459 sa.sa_inqbuf.type = ATAPI_CFG_TYPE(id->atap_config); 1460 sa.sa_inqbuf.removable = id->atap_config & ATAPI_CFG_REMOV ? 1461 T_REMOV : T_FIXED; 1462 scsipi_strvis((u_char *)model, 40, id->atap_model, 40); 1463 scsipi_strvis((u_char *)serial_number, 20, 1464 id->atap_serial, 20); 1465 scsipi_strvis((u_char *)firmware_revision, 8, 1466 id->atap_revision, 8); 1467 sa.sa_inqbuf.vendor = model; 1468 sa.sa_inqbuf.product = serial_number; 1469 sa.sa_inqbuf.revision = firmware_revision; 1470 1471 /* 1472 * Determine the operating mode capabilities of the device. 1473 */ 1474 if ((id->atap_config & ATAPI_CFG_CMD_MASK) 1475 == ATAPI_CFG_CMD_16) { 1476 periph->periph_cap |= PERIPH_CAP_CMD16; 1477 1478 /* configure port for packet length */ 1479 PRWRITE(siic, PRX(chp->ch_channel, PRO_PCS), 1480 PR_PC_PACKET_LENGTH); 1481 } else { 1482 PRWRITE(siic, PRX(chp->ch_channel, PRO_PCC), 1483 PR_PC_PACKET_LENGTH); 1484 } 1485 1486 /* XXX This is gross. */ 1487 periph->periph_cap |= (id->atap_config & ATAPI_CFG_DRQ_MASK); 1488 1489 drvp->drv_softc = atapi_probe_device(sc, target, periph, &sa); 1490 1491 if (drvp->drv_softc) 1492 ata_probe_caps(drvp); 1493 else { 1494 s = splbio(); 1495 drvp->drive_type &= ATA_DRIVET_NONE; 1496 splx(s); 1497 } 1498 } else { 1499 SIISATA_DEBUG_PRINT(("%s: ATAPI_IDENTIFY_DEVICE " 1500 "failed for drive %s:%d:%d: error 0x%x\n", 1501 __func__, SIISATANAME(siic), chp->ch_channel, target, 1502 chp->ch_error), DEBUG_PROBE); 1503 s = splbio(); 1504 drvp->drive_type &= ATA_DRIVET_NONE; 1505 splx(s); 1506 } 1507 } 1508 1509 void 1510 siisata_atapi_scsipi_request(struct scsipi_channel *chan, 1511 scsipi_adapter_req_t req, void *arg) 1512 { 1513 struct scsipi_adapter *adapt = chan->chan_adapter; 1514 struct scsipi_periph *periph; 1515 struct scsipi_xfer *sc_xfer; 1516 struct siisata_softc *sc = device_private(adapt->adapt_dev); 1517 struct atac_softc *atac = &sc->sc_atac; 1518 struct ata_xfer *xfer; 1519 int channel = chan->chan_channel; 1520 int drive, s; 1521 1522 switch (req) { 1523 case ADAPTER_REQ_RUN_XFER: 1524 sc_xfer = arg; 1525 periph = sc_xfer->xs_periph; 1526 drive = periph->periph_target; 1527 1528 SIISATA_DEBUG_PRINT(("%s: %s:%d:%d\n", __func__, 1529 device_xname(atac->atac_dev), channel, drive), 1530 DEBUG_XFERS); 1531 1532 if (!device_is_active(atac->atac_dev)) { 1533 sc_xfer->error = XS_DRIVER_STUFFUP; 1534 scsipi_done(sc_xfer); 1535 return; 1536 } 1537 xfer = ata_get_xfer(ATAXF_NOSLEEP); 1538 if (xfer == NULL) { 1539 sc_xfer->error = XS_RESOURCE_SHORTAGE; 1540 scsipi_done(sc_xfer); 1541 return; 1542 } 1543 1544 if (sc_xfer->xs_control & XS_CTL_POLL) 1545 xfer->c_flags |= C_POLL; 1546 xfer->c_drive = drive; 1547 xfer->c_flags |= C_ATAPI; 1548 xfer->c_cmd = sc_xfer; 1549 xfer->c_databuf = sc_xfer->data; 1550 xfer->c_bcount = sc_xfer->datalen; 1551 xfer->c_start = siisata_atapi_start; 1552 xfer->c_intr = siisata_atapi_complete; 1553 xfer->c_kill_xfer = siisata_atapi_kill_xfer; 1554 xfer->c_dscpoll = 0; 1555 s = splbio(); 1556 ata_exec_xfer(atac->atac_channels[channel], xfer); 1557 #ifdef DIAGNOSTIC 1558 if ((sc_xfer->xs_control & XS_CTL_POLL) != 0 && 1559 (sc_xfer->xs_status & XS_STS_DONE) == 0) 1560 panic("%s: polled command not done", __func__); 1561 #endif 1562 splx(s); 1563 return; 1564 1565 default: 1566 /* Not supported, nothing to do. */ 1567 ; 1568 } 1569 } 1570 1571 void 1572 siisata_atapi_start(struct ata_channel *chp, struct ata_xfer *xfer) 1573 { 1574 struct siisata_channel *schp = (struct siisata_channel *)chp; 1575 struct siisata_prb *prbp; 1576 1577 struct scsipi_xfer *sc_xfer = xfer->c_cmd; 1578 1579 int slot = SIISATA_NON_NCQ_SLOT; 1580 int i; 1581 1582 SIISATA_DEBUG_PRINT( ("%s: %s:%d:%d, scsi flags 0x%x\n", __func__, 1583 SIISATANAME((struct siisata_softc *)chp->ch_atac), chp->ch_channel, 1584 chp->ch_drive[xfer->c_drive].drive, sc_xfer->xs_control), 1585 DEBUG_XFERS); 1586 1587 chp->ch_status = 0; 1588 chp->ch_error = 0; 1589 1590 prbp = schp->sch_prb[slot]; 1591 memset(prbp, 0, sizeof(struct siisata_prb)); 1592 1593 1594 /* fill in direction for ATAPI command */ 1595 if ((sc_xfer->xs_control & XS_CTL_DATA_IN)) 1596 prbp->prb_control |= htole16(PRB_CF_PACKET_READ); 1597 if ((sc_xfer->xs_control & XS_CTL_DATA_OUT)) 1598 prbp->prb_control |= htole16(PRB_CF_PACKET_WRITE); 1599 1600 satafis_rhd_construct_atapi(xfer, prbp->prb_fis); 1601 KASSERT(xfer->c_drive <= PMP_PORT_CTL); 1602 prbp->prb_fis[rhd_c] |= xfer->c_drive; 1603 1604 /* copy over ATAPI command */ 1605 memcpy(prbp->prb_atapi, sc_xfer->cmd, sc_xfer->cmdlen); 1606 1607 if (siisata_dma_setup(chp, slot, 1608 (sc_xfer->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) ? 1609 xfer->c_databuf : NULL, 1610 xfer->c_bcount, 1611 (sc_xfer->xs_control & XS_CTL_DATA_IN) ? 1612 BUS_DMA_READ : BUS_DMA_WRITE) 1613 ) 1614 panic("%s", __func__); 1615 1616 if (xfer->c_flags & C_POLL) { 1617 /* polled command, disable interrupts */ 1618 prbp->prb_control = htole16(PRB_CF_INTERRUPT_MASK); 1619 siisata_disable_port_interrupt(chp); 1620 } 1621 1622 siisata_activate_prb(schp, slot); 1623 1624 if ((xfer->c_flags & C_POLL) == 0) { 1625 chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ 1626 callout_reset(&chp->ch_callout, mstohz(sc_xfer->timeout), 1627 siisata_timeout, chp); 1628 goto out; 1629 } 1630 1631 /* 1632 * polled command 1633 */ 1634 for (i = 0; i < ATA_DELAY / 10; i++) { 1635 if (sc_xfer->xs_status & XS_STS_DONE) 1636 break; 1637 siisata_intr_port(schp); 1638 DELAY(1000); 1639 } 1640 if ((sc_xfer->xs_status & XS_STS_DONE) == 0) { 1641 siisata_timeout(chp); 1642 } 1643 /* reenable interrupts */ 1644 siisata_enable_port_interrupt(chp); 1645 out: 1646 SIISATA_DEBUG_PRINT( 1647 ("%s: %s: done\n", SIISATANAME((struct siisata_softc *)chp->ch_atac), __func__), DEBUG_FUNCS); 1648 return; 1649 } 1650 1651 int 1652 siisata_atapi_complete(struct ata_channel *chp, struct ata_xfer *xfer, 1653 int slot) 1654 { 1655 struct siisata_softc *sc = (struct siisata_softc *)chp->ch_atac; 1656 struct siisata_channel *schp = (struct siisata_channel *)chp; 1657 struct scsipi_xfer *sc_xfer = xfer->c_cmd; 1658 1659 SIISATA_DEBUG_PRINT( 1660 ("%s: %s()\n", SIISATANAME(sc), __func__), DEBUG_INTR); 1661 1662 /* this comamnd is not active any more */ 1663 schp->sch_active_slots &= ~__BIT(slot); 1664 chp->ch_flags &= ~ATACH_IRQ_WAIT; 1665 if (xfer->c_flags & C_TIMEOU) { 1666 sc_xfer->error = XS_TIMEOUT; 1667 } else { 1668 callout_stop(&chp->ch_callout); 1669 sc_xfer->error = XS_NOERROR; 1670 } 1671 1672 bus_dmamap_sync(sc->sc_dmat, schp->sch_datad[slot], 0, 1673 schp->sch_datad[slot]->dm_mapsize, 1674 (sc_xfer->xs_control & XS_CTL_DATA_IN) ? 1675 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1676 bus_dmamap_unload(sc->sc_dmat, schp->sch_datad[slot]); 1677 1678 if (chp->ch_drive[xfer->c_drive].drive_flags & ATA_DRIVE_WAITDRAIN) { 1679 siisata_atapi_kill_xfer(chp, xfer, KILL_GONE); 1680 chp->ch_drive[xfer->c_drive].drive_flags &= ~ATA_DRIVE_WAITDRAIN; 1681 wakeup(&chp->ch_queue->active_xfer); 1682 return 0; /* XXX verify */ 1683 } 1684 1685 chp->ch_queue->active_xfer = NULL; 1686 ata_free_xfer(chp, xfer); 1687 sc_xfer->resid = sc_xfer->datalen; 1688 sc_xfer->resid -= PRREAD(sc, PRSX(chp->ch_channel, slot, PRSO_RTC)); 1689 SIISATA_DEBUG_PRINT(("%s: %s datalen %d resid %d\n", SIISATANAME(sc), 1690 __func__, sc_xfer->datalen, sc_xfer->resid), DEBUG_XFERS); 1691 if ((chp->ch_status & WDCS_ERR) && 1692 ((sc_xfer->xs_control & XS_CTL_REQSENSE) == 0 || 1693 sc_xfer->resid == sc_xfer->datalen)) { 1694 sc_xfer->error = XS_SHORTSENSE; 1695 sc_xfer->sense.atapi_sense = chp->ch_error; 1696 if ((sc_xfer->xs_periph->periph_quirks & 1697 PQUIRK_NOSENSE) == 0) { 1698 /* request sense */ 1699 sc_xfer->error = XS_BUSY; 1700 sc_xfer->status = SCSI_CHECK; 1701 } 1702 } 1703 scsipi_done(sc_xfer); 1704 atastart(chp); 1705 return 0; /* XXX verify */ 1706 } 1707 1708 #endif /* NATAPIBUS */ 1709
Indexes created Fri Sep 26 20:09:58 GMT 2025