siis.c revision 195801
1/*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/dev/siis/siis.c 195801 2009-07-21 12:32:46Z mav $"); 29 30#include <sys/param.h> 31#include <sys/module.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/ata.h> 35#include <sys/bus.h> 36#include <sys/endian.h> 37#include <sys/malloc.h> 38#include <sys/lock.h> 39#include <sys/mutex.h> 40#include <sys/sema.h> 41#include <sys/taskqueue.h> 42#include <vm/uma.h> 43#include <machine/stdarg.h> 44#include <machine/resource.h> 45#include <machine/bus.h> 46#include <sys/rman.h> 47#include <dev/pci/pcivar.h> 48#include <dev/pci/pcireg.h> 49#include "siis.h" 50 51#include <cam/cam.h> 52#include <cam/cam_ccb.h> 53#include <cam/cam_sim.h> 54#include <cam/cam_xpt_sim.h> 55#include <cam/cam_xpt_periph.h> 56#include <cam/cam_debug.h> 57 58/* local prototypes */ 59static int siis_setup_interrupt(device_t dev); 60static void siis_intr(void *data); 61static int siis_suspend(device_t dev); 62static int siis_resume(device_t dev); 63static int siis_ch_suspend(device_t dev); 64static int siis_ch_resume(device_t dev); 65static void siis_ch_intr_locked(void *data); 66static void siis_ch_intr(void *data); 67static void siis_begin_transaction(device_t dev, union ccb *ccb); 68static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 69static void siis_execute_transaction(struct siis_slot *slot); 70static void siis_timeout(struct siis_slot *slot); 71static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 72static int siis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag); 73static void siis_dmainit(device_t dev); 74static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 75static void siis_dmafini(device_t dev); 76static void siis_slotsalloc(device_t dev); 77static void siis_slotsfree(device_t dev); 78static void siis_reset(device_t dev); 79static void siis_portinit(device_t dev); 80static int siis_wait_ready(device_t dev, int t); 81 82static int siis_sata_connect(struct siis_channel *ch); 83static int siis_sata_phy_reset(device_t dev); 84 85static void siis_issue_read_log(device_t dev); 86static void siis_process_read_log(device_t dev, union ccb *ccb); 87 88static void siisaction(struct cam_sim *sim, union ccb *ccb); 89static void siispoll(struct cam_sim *sim); 90 91MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 92 93static int 94siis_probe(device_t dev) 95{ 96 uint32_t devid = pci_get_devid(dev); 97 98 if (devid == SIIS_SII3124) { 99 device_set_desc_copy(dev, "SiI3124 SATA2 controller"); 100 } else if (devid == SIIS_SII3132 || 101 devid == SIIS_SII3132_1 || 102 devid == SIIS_SII3132_2) { 103 device_set_desc_copy(dev, "SiI3132 SATA2 controller"); 104 } else if (devid == SIIS_SII3531) { 105 device_set_desc_copy(dev, "SiI3531 SATA2 controller"); 106 } else { 107 return (ENXIO); 108 } 109 110 return (BUS_PROBE_VENDOR); 111} 112 113static int 114siis_attach(device_t dev) 115{ 116 struct siis_controller *ctlr = device_get_softc(dev); 117 uint32_t devid = pci_get_devid(dev); 118 device_t child; 119 int error, unit; 120 121 ctlr->dev = dev; 122 /* Global memory */ 123 ctlr->r_grid = PCIR_BAR(0); 124 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 125 &ctlr->r_grid, RF_ACTIVE))) 126 return (ENXIO); 127 /* Channels memory */ 128 ctlr->r_rid = PCIR_BAR(2); 129 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 130 &ctlr->r_rid, RF_ACTIVE))) 131 return (ENXIO); 132 /* Setup our own memory management for channels. */ 133 ctlr->sc_iomem.rm_type = RMAN_ARRAY; 134 ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 135 if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 136 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 137 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 138 return (error); 139 } 140 if ((error = rman_manage_region(&ctlr->sc_iomem, 141 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 142 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 143 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 144 rman_fini(&ctlr->sc_iomem); 145 return (error); 146 } 147 /* Reset controller */ 148 siis_resume(dev); 149 /* Number of HW channels */ 150 ctlr->channels = (devid == SIIS_SII3124) ? 4 : 151 (devid == SIIS_SII3531 ? 1 : 2); 152 /* Setup interrupts. */ 153 if (siis_setup_interrupt(dev)) { 154 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 155 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 156 rman_fini(&ctlr->sc_iomem); 157 return ENXIO; 158 } 159 /* Attach all channels on this controller */ 160 for (unit = 0; unit < ctlr->channels; unit++) { 161 child = device_add_child(dev, "siisch", -1); 162 if (child == NULL) 163 device_printf(dev, "failed to add channel device\n"); 164 else 165 device_set_ivars(child, (void *)(intptr_t)unit); 166 } 167 bus_generic_attach(dev); 168 return 0; 169} 170 171static int 172siis_detach(device_t dev) 173{ 174 struct siis_controller *ctlr = device_get_softc(dev); 175 device_t *children; 176 int nchildren, i; 177 178 /* Detach & delete all children */ 179 if (!device_get_children(dev, &children, &nchildren)) { 180 for (i = 0; i < nchildren; i++) 181 device_delete_child(dev, children[i]); 182 free(children, M_TEMP); 183 } 184 /* Free interrupts. */ 185 if (ctlr->irq.r_irq) { 186 bus_teardown_intr(dev, ctlr->irq.r_irq, 187 ctlr->irq.handle); 188 bus_release_resource(dev, SYS_RES_IRQ, 189 ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 190 } 191 pci_release_msi(dev); 192 /* Free memory. */ 193 rman_fini(&ctlr->sc_iomem); 194 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 195 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 196 return (0); 197} 198 199static int 200siis_suspend(device_t dev) 201{ 202 struct siis_controller *ctlr = device_get_softc(dev); 203 204 bus_generic_suspend(dev); 205 /* Put controller into reset state. */ 206 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET); 207 return 0; 208} 209 210static int 211siis_resume(device_t dev) 212{ 213 struct siis_controller *ctlr = device_get_softc(dev); 214 215 /* Put controller into reset state. */ 216 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET); 217 DELAY(10000); 218 /* Get controller out of reset state and enable port interrupts. */ 219 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 0x0000000f); 220 return (bus_generic_resume(dev)); 221} 222 223static int 224siis_setup_interrupt(device_t dev) 225{ 226 struct siis_controller *ctlr = device_get_softc(dev); 227 int msi = 0; 228 229 /* Process hints. */ 230 resource_int_value(device_get_name(dev), 231 device_get_unit(dev), "msi", &msi); 232 if (msi < 0) 233 msi = 0; 234 else if (msi > 0) 235 msi = min(1, pci_msi_count(dev)); 236 /* Allocate MSI if needed/present. */ 237 if (msi && pci_alloc_msi(dev, &msi) != 0) 238 msi = 0; 239 /* Allocate all IRQs. */ 240 ctlr->irq.r_irq_rid = msi ? 1 : 0; 241 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 242 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 243 device_printf(dev, "unable to map interrupt\n"); 244 return ENXIO; 245 } 246 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 247 siis_intr, ctlr, &ctlr->irq.handle))) { 248 /* SOS XXX release r_irq */ 249 device_printf(dev, "unable to setup interrupt\n"); 250 return ENXIO; 251 } 252 return (0); 253} 254 255/* 256 * Common case interrupt handler. 257 */ 258static void 259siis_intr(void *data) 260{ 261 struct siis_controller *ctlr = (struct siis_controller *)data; 262 u_int32_t is; 263 void *arg; 264 int unit; 265 266 is = ATA_INL(ctlr->r_gmem, SIIS_IS); 267 for (unit = 0; unit < ctlr->channels; unit++) { 268 if ((is & SIIS_IS_PORT(unit)) != 0 && 269 (arg = ctlr->interrupt[unit].argument)) { 270 ctlr->interrupt[unit].function(arg); 271 } 272 } 273} 274 275static struct resource * 276siis_alloc_resource(device_t dev, device_t child, int type, int *rid, 277 u_long start, u_long end, u_long count, u_int flags) 278{ 279 struct siis_controller *ctlr = device_get_softc(dev); 280 int unit = ((struct siis_channel *)device_get_softc(child))->unit; 281 struct resource *res = NULL; 282 int offset = unit << 13; 283 long st; 284 285 switch (type) { 286 case SYS_RES_MEMORY: 287 st = rman_get_start(ctlr->r_mem); 288 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 289 st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 290 if (res) { 291 bus_space_handle_t bsh; 292 bus_space_tag_t bst; 293 bsh = rman_get_bushandle(ctlr->r_mem); 294 bst = rman_get_bustag(ctlr->r_mem); 295 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 296 rman_set_bushandle(res, bsh); 297 rman_set_bustag(res, bst); 298 } 299 break; 300 case SYS_RES_IRQ: 301 if (*rid == ATA_IRQ_RID) 302 res = ctlr->irq.r_irq; 303 break; 304 } 305 return (res); 306} 307 308static int 309siis_release_resource(device_t dev, device_t child, int type, int rid, 310 struct resource *r) 311{ 312 313 switch (type) { 314 case SYS_RES_MEMORY: 315 rman_release_resource(r); 316 return (0); 317 case SYS_RES_IRQ: 318 if (rid != ATA_IRQ_RID) 319 return ENOENT; 320 return (0); 321 } 322 return (EINVAL); 323} 324 325static int 326siis_setup_intr(device_t dev, device_t child, struct resource *irq, 327 int flags, driver_filter_t *filter, driver_intr_t *function, 328 void *argument, void **cookiep) 329{ 330 struct siis_controller *ctlr = device_get_softc(dev); 331 int unit = (intptr_t)device_get_ivars(child); 332 333 if (filter != NULL) { 334 printf("siis.c: we cannot use a filter here\n"); 335 return (EINVAL); 336 } 337 ctlr->interrupt[unit].function = function; 338 ctlr->interrupt[unit].argument = argument; 339 return (0); 340} 341 342static int 343siis_teardown_intr(device_t dev, device_t child, struct resource *irq, 344 void *cookie) 345{ 346 struct siis_controller *ctlr = device_get_softc(dev); 347 int unit = (intptr_t)device_get_ivars(child); 348 349 ctlr->interrupt[unit].function = NULL; 350 ctlr->interrupt[unit].argument = NULL; 351 return (0); 352} 353 354static int 355siis_print_child(device_t dev, device_t child) 356{ 357 int retval; 358 359 retval = bus_print_child_header(dev, child); 360 retval += printf(" at channel %d", 361 (int)(intptr_t)device_get_ivars(child)); 362 retval += bus_print_child_footer(dev, child); 363 364 return (retval); 365} 366 367devclass_t siis_devclass; 368static device_method_t siis_methods[] = { 369 DEVMETHOD(device_probe, siis_probe), 370 DEVMETHOD(device_attach, siis_attach), 371 DEVMETHOD(device_detach, siis_detach), 372 DEVMETHOD(device_suspend, siis_suspend), 373 DEVMETHOD(device_resume, siis_resume), 374 DEVMETHOD(bus_print_child, siis_print_child), 375 DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 376 DEVMETHOD(bus_release_resource, siis_release_resource), 377 DEVMETHOD(bus_setup_intr, siis_setup_intr), 378 DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 379 { 0, 0 } 380}; 381static driver_t siis_driver = { 382 "siis", 383 siis_methods, 384 sizeof(struct siis_controller) 385}; 386DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 387MODULE_VERSION(siis, 1); 388MODULE_DEPEND(siis, cam, 1, 1, 1); 389 390static int 391siis_ch_probe(device_t dev) 392{ 393 394 device_set_desc_copy(dev, "SIIS channel"); 395 return (0); 396} 397 398static int 399siis_ch_attach(device_t dev) 400{ 401 struct siis_channel *ch = device_get_softc(dev); 402 struct cam_devq *devq; 403 int rid, error; 404 405 ch->dev = dev; 406 ch->unit = (intptr_t)device_get_ivars(dev); 407 resource_int_value(device_get_name(dev), 408 device_get_unit(dev), "pm_level", &ch->pm_level); 409 resource_int_value(device_get_name(dev), 410 device_get_unit(dev), "sata_rev", &ch->sata_rev); 411 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 412 rid = ch->unit; 413 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 414 &rid, RF_ACTIVE))) 415 return (ENXIO); 416 siis_dmainit(dev); 417 siis_slotsalloc(dev); 418 siis_ch_resume(dev); 419 mtx_lock(&ch->mtx); 420 rid = ATA_IRQ_RID; 421 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 422 &rid, RF_SHAREABLE | RF_ACTIVE))) { 423 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 424 device_printf(dev, "Unable to map interrupt\n"); 425 return (ENXIO); 426 } 427 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 428 siis_ch_intr_locked, dev, &ch->ih))) { 429 device_printf(dev, "Unable to setup interrupt\n"); 430 error = ENXIO; 431 goto err1; 432 } 433 /* Create the device queue for our SIM. */ 434 devq = cam_simq_alloc(SIIS_MAX_SLOTS); 435 if (devq == NULL) { 436 device_printf(dev, "Unable to allocate simq\n"); 437 error = ENOMEM; 438 goto err1; 439 } 440 /* Construct SIM entry */ 441 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 442 device_get_unit(dev), &ch->mtx, SIIS_MAX_SLOTS, 0, devq); 443 if (ch->sim == NULL) { 444 device_printf(dev, "unable to allocate sim\n"); 445 error = ENOMEM; 446 goto err2; 447 } 448 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 449 device_printf(dev, "unable to register xpt bus\n"); 450 error = ENXIO; 451 goto err2; 452 } 453 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 454 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 455 device_printf(dev, "unable to create path\n"); 456 error = ENXIO; 457 goto err3; 458 } 459 mtx_unlock(&ch->mtx); 460 return (0); 461 462err3: 463 xpt_bus_deregister(cam_sim_path(ch->sim)); 464err2: 465 cam_sim_free(ch->sim, /*free_devq*/TRUE); 466err1: 467 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 468 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 469 mtx_unlock(&ch->mtx); 470 return (error); 471} 472 473static int 474siis_ch_detach(device_t dev) 475{ 476 struct siis_channel *ch = device_get_softc(dev); 477 478 mtx_lock(&ch->mtx); 479 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 480 xpt_free_path(ch->path); 481 xpt_bus_deregister(cam_sim_path(ch->sim)); 482 cam_sim_free(ch->sim, /*free_devq*/TRUE); 483 mtx_unlock(&ch->mtx); 484 485 bus_teardown_intr(dev, ch->r_irq, ch->ih); 486 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 487 488 siis_ch_suspend(dev); 489 siis_slotsfree(dev); 490 siis_dmafini(dev); 491 492 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 493 mtx_destroy(&ch->mtx); 494 return (0); 495} 496 497static int 498siis_ch_suspend(device_t dev) 499{ 500 struct siis_channel *ch = device_get_softc(dev); 501 502 /* Put port into reset state. */ 503 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 504 return (0); 505} 506 507static int 508siis_ch_resume(device_t dev) 509{ 510 struct siis_channel *ch = device_get_softc(dev); 511 512 /* Get port out of reset state. */ 513 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 514 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 515 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 516 /* Enable port interrupts */ 517 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 518 return (0); 519} 520 521devclass_t siisch_devclass; 522static device_method_t siisch_methods[] = { 523 DEVMETHOD(device_probe, siis_ch_probe), 524 DEVMETHOD(device_attach, siis_ch_attach), 525 DEVMETHOD(device_detach, siis_ch_detach), 526 DEVMETHOD(device_suspend, siis_ch_suspend), 527 DEVMETHOD(device_resume, siis_ch_resume), 528 { 0, 0 } 529}; 530static driver_t siisch_driver = { 531 "siisch", 532 siisch_methods, 533 sizeof(struct siis_channel) 534}; 535DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 536 537struct siis_dc_cb_args { 538 bus_addr_t maddr; 539 int error; 540}; 541 542static void 543siis_dmainit(device_t dev) 544{ 545 struct siis_channel *ch = device_get_softc(dev); 546 struct siis_dc_cb_args dcba; 547 548 /* Command area. */ 549 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 550 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 551 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 552 0, NULL, NULL, &ch->dma.work_tag)) 553 goto error; 554 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 555 &ch->dma.work_map)) 556 goto error; 557 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 558 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 559 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 560 goto error; 561 } 562 ch->dma.work_bus = dcba.maddr; 563 /* Data area. */ 564 if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0, 565 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 566 NULL, NULL, 567 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 568 SIIS_SG_ENTRIES, 0xFFFFFFFF, 569 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 570 goto error; 571 } 572 return; 573 574error: 575 device_printf(dev, "WARNING - DMA initialization failed\n"); 576 siis_dmafini(dev); 577} 578 579static void 580siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 581{ 582 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 583 584 if (!(dcba->error = error)) 585 dcba->maddr = segs[0].ds_addr; 586} 587 588static void 589siis_dmafini(device_t dev) 590{ 591 struct siis_channel *ch = device_get_softc(dev); 592 593 if (ch->dma.data_tag) { 594 bus_dma_tag_destroy(ch->dma.data_tag); 595 ch->dma.data_tag = NULL; 596 } 597 if (ch->dma.work_bus) { 598 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 599 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 600 ch->dma.work_bus = 0; 601 ch->dma.work_map = NULL; 602 ch->dma.work = NULL; 603 } 604 if (ch->dma.work_tag) { 605 bus_dma_tag_destroy(ch->dma.work_tag); 606 ch->dma.work_tag = NULL; 607 } 608} 609 610static void 611siis_slotsalloc(device_t dev) 612{ 613 struct siis_channel *ch = device_get_softc(dev); 614 int i; 615 616 /* Alloc and setup command/dma slots */ 617 bzero(ch->slot, sizeof(ch->slot)); 618 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 619 struct siis_slot *slot = &ch->slot[i]; 620 621 slot->dev = dev; 622 slot->slot = i; 623 slot->state = SIIS_SLOT_EMPTY; 624 slot->ccb = NULL; 625 callout_init_mtx(&slot->timeout, &ch->mtx, 0); 626 627 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 628 device_printf(ch->dev, "FAILURE - create data_map\n"); 629 } 630} 631 632static void 633siis_slotsfree(device_t dev) 634{ 635 struct siis_channel *ch = device_get_softc(dev); 636 int i; 637 638 /* Free all dma slots */ 639 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 640 struct siis_slot *slot = &ch->slot[i]; 641 642 if (slot->dma.data_map) { 643 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 644 slot->dma.data_map = NULL; 645 } 646 } 647} 648 649static void 650siis_phy_check_events(device_t dev) 651{ 652 struct siis_channel *ch = device_get_softc(dev); 653 654 /* If we have a connection event, deal with it */ 655 if (ch->pm_level == 0) { 656 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 657 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 658 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 659 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 660 if (bootverbose) 661 device_printf(dev, "CONNECT requested\n"); 662 siis_reset(dev); 663 } else { 664 if (bootverbose) 665 device_printf(dev, "DISCONNECT requested\n"); 666 ch->devices = 0; 667 } 668 } 669} 670 671static void 672siis_ch_intr_locked(void *data) 673{ 674 device_t dev = (device_t)data; 675 struct siis_channel *ch = device_get_softc(dev); 676 677 mtx_lock(&ch->mtx); 678 siis_ch_intr(data); 679 mtx_unlock(&ch->mtx); 680} 681 682static void 683siis_ch_intr(void *data) 684{ 685 device_t dev = (device_t)data; 686 struct siis_channel *ch = device_get_softc(dev); 687 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 688 enum siis_err_type et; 689 int i, ccs, port, tslots; 690 691 mtx_assert(&ch->mtx, MA_OWNED); 692 /* Read command statuses. */ 693 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 694 ok = ch->rslots & ~sstatus; 695 /* Complete all successfull commands. */ 696 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 697 if ((ok >> i) & 1) 698 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 699 } 700 /* Do we have any other events? */ 701 if ((sstatus & SIIS_P_SS_ATTN) == 0) 702 return; 703 /* Read and clear interrupt statuses. */ 704 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 705 (0xFFFF & ~SIIS_P_IX_COMMCOMP); 706 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 707 /* Process PHY events */ 708 if (istatus & SIIS_P_IX_PHYRDYCHG) 709 siis_phy_check_events(dev); 710 /* Process command errors */ 711 if (istatus & SIIS_P_IX_COMMERR) { 712 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 713 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 714 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 715 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 716 err = ch->rslots & sstatus; 717//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 718// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 719// ATA_INL(ch->r_mem, SIIS_P_SERR)); 720 721 if (!ch->readlog && !ch->recovery) { 722 xpt_freeze_simq(ch->sim, ch->numrslots); 723 ch->recovery = 1; 724 } 725 if (ch->frozen) { 726 union ccb *fccb = ch->frozen; 727 ch->frozen = NULL; 728 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 729 xpt_done(fccb); 730 } 731 if (estatus == SIIS_P_CMDERR_DEV || 732 estatus == SIIS_P_CMDERR_SDB || 733 estatus == SIIS_P_CMDERR_DATAFIS) { 734 tslots = ch->numtslots[port]; 735 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 736 /* XXX: reqests in loading state. */ 737 if (((ch->rslots >> i) & 1) == 0) 738 continue; 739 if (ch->slot[i].ccb->ccb_h.target_id != port) 740 continue; 741 if (tslots == 0) { 742 /* Untagged operation. */ 743 if (i == ccs) 744 et = SIIS_ERR_TFE; 745 else 746 et = SIIS_ERR_INNOCENT; 747 } else { 748 /* Tagged operation. */ 749 et = SIIS_ERR_NCQ; 750 } 751 siis_end_transaction(&ch->slot[i], et); 752 } 753 /* 754 * We can't reinit port if there are some other 755 * commands active, use resume to complete them. 756 */ 757 if (ch->rslots != 0) 758 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 759 } else { 760 if (estatus == SIIS_P_CMDERR_SENDFIS || 761 estatus == SIIS_P_CMDERR_INCSTATE || 762 estatus == SIIS_P_CMDERR_PPE || 763 estatus == SIIS_P_CMDERR_SERVICE) { 764 et = SIIS_ERR_SATA; 765 } else 766 et = SIIS_ERR_INVALID; 767 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 768 /* XXX: reqests in loading state. */ 769 if (((ch->rslots >> i) & 1) == 0) 770 continue; 771 siis_end_transaction(&ch->slot[i], et); 772 } 773 } 774 } 775} 776 777/* Must be called with channel locked. */ 778static int 779siis_check_collision(device_t dev, union ccb *ccb) 780{ 781 struct siis_channel *ch = device_get_softc(dev); 782 783 mtx_assert(&ch->mtx, MA_OWNED); 784 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 785 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 786 /* Atomic command while anything active. */ 787 if (ch->numrslots != 0) 788 return (1); 789 } 790 /* We have some atomic command running. */ 791 if (ch->aslots != 0) 792 return (1); 793 return (0); 794} 795 796/* Must be called with channel locked. */ 797static void 798siis_begin_transaction(device_t dev, union ccb *ccb) 799{ 800 struct siis_channel *ch = device_get_softc(dev); 801 struct siis_slot *slot; 802 int tag; 803 804 mtx_assert(&ch->mtx, MA_OWNED); 805 /* Choose empty slot. */ 806 tag = ch->lastslot; 807 do { 808 tag++; 809 if (tag >= SIIS_MAX_SLOTS) 810 tag = 0; 811 if (ch->slot[tag].state == SIIS_SLOT_EMPTY) 812 break; 813 } while (tag != ch->lastslot); 814 if (ch->slot[tag].state != SIIS_SLOT_EMPTY) 815 device_printf(ch->dev, "ALL SLOTS BUSY!\n"); 816 ch->lastslot = tag; 817 /* Occupy chosen slot. */ 818 slot = &ch->slot[tag]; 819 slot->ccb = ccb; 820 /* Update channel stats. */ 821 ch->numrslots++; 822 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 823 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 824 ch->numtslots[ccb->ccb_h.target_id]++; 825 } 826 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 827 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 828 ch->aslots |= (1 << slot->slot); 829 slot->dma.nsegs = 0; 830 /* If request moves data, setup and load SG list */ 831 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 832 void *buf; 833 bus_size_t size; 834 835 slot->state = SIIS_SLOT_LOADING; 836 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 837 buf = ccb->ataio.data_ptr; 838 size = ccb->ataio.dxfer_len; 839 } else { 840 buf = ccb->csio.data_ptr; 841 size = ccb->csio.dxfer_len; 842 } 843 bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 844 buf, size, siis_dmasetprd, slot, 0); 845 } else 846 siis_execute_transaction(slot); 847} 848 849/* Locked by busdma engine. */ 850static void 851siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 852{ 853 struct siis_slot *slot = arg; 854 struct siis_channel *ch = device_get_softc(slot->dev); 855 struct siis_cmd *ctp; 856 struct siis_dma_prd *prd; 857 int i; 858 859 mtx_assert(&ch->mtx, MA_OWNED); 860 if (error) { 861 device_printf(slot->dev, "DMA load error\n"); 862 if (!ch->readlog) 863 xpt_freeze_simq(ch->sim, 1); 864 siis_end_transaction(slot, SIIS_ERR_INVALID); 865 return; 866 } 867 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 868 /* Get a piece of the workspace for this request */ 869 ctp = (struct siis_cmd *) 870 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 871 /* Fill S/G table */ 872 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 873 prd = &ctp->u.ata.prd[0]; 874 else 875 prd = &ctp->u.atapi.prd[0]; 876 for (i = 0; i < nsegs; i++) { 877 prd[i].dba = htole64(segs[i].ds_addr); 878 prd[i].dbc = htole32(segs[i].ds_len); 879 prd[i].control = 0; 880 } 881 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 882 slot->dma.nsegs = nsegs; 883 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 884 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 885 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 886 siis_execute_transaction(slot); 887} 888 889/* Must be called with channel locked. */ 890static void 891siis_execute_transaction(struct siis_slot *slot) 892{ 893 device_t dev = slot->dev; 894 struct siis_channel *ch = device_get_softc(dev); 895 struct siis_cmd *ctp; 896 union ccb *ccb = slot->ccb; 897 u_int64_t prb_bus; 898 899 mtx_assert(&ch->mtx, MA_OWNED); 900 /* Get a piece of the workspace for this request */ 901 ctp = (struct siis_cmd *) 902 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 903 ctp->control = 0; 904 ctp->protocol_override = 0; 905 ctp->transfer_count = 0; 906 /* Special handling for Soft Reset command. */ 907 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 908 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) { 909 ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 910 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 911 if (ccb->ccb_h.flags & CAM_DIR_IN) 912 ctp->control |= htole16(SIIS_PRB_PACKET_READ); 913 if (ccb->ccb_h.flags & CAM_DIR_OUT) 914 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 915 } 916 /* Setup the FIS for this request */ 917 if (!siis_setup_fis(ctp, ccb, slot->slot)) { 918 device_printf(ch->dev, "Setting up SATA FIS failed\n"); 919 if (!ch->readlog) 920 xpt_freeze_simq(ch->sim, 1); 921 siis_end_transaction(slot, SIIS_ERR_INVALID); 922 return; 923 } 924 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 925 BUS_DMASYNC_PREWRITE); 926 /* Issue command to the controller. */ 927 slot->state = SIIS_SLOT_RUNNING; 928 ch->rslots |= (1 << slot->slot); 929 prb_bus = ch->dma.work_bus + 930 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 931 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 932 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 933 /* Start command execution timeout */ 934 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 935 (timeout_t*)siis_timeout, slot); 936 return; 937} 938 939/* Locked by callout mechanism. */ 940static void 941siis_timeout(struct siis_slot *slot) 942{ 943 device_t dev = slot->dev; 944 struct siis_channel *ch = device_get_softc(dev); 945 int i; 946 947 mtx_assert(&ch->mtx, MA_OWNED); 948 device_printf(dev, "Timeout on slot %d\n", slot->slot); 949device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 950 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 951 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 952 ATA_INL(ch->r_mem, SIIS_P_SERR)); 953 /* Kick controller into sane state. */ 954 siis_portinit(ch->dev); 955 956 if (!ch->readlog) 957 xpt_freeze_simq(ch->sim, ch->numrslots); 958 /* Handle command with timeout. */ 959 siis_end_transaction(&ch->slot[slot->slot], SIIS_ERR_TIMEOUT); 960 /* Handle the rest of commands. */ 961 if (ch->frozen) { 962 union ccb *fccb = ch->frozen; 963 ch->frozen = NULL; 964 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 965 xpt_done(fccb); 966 } 967 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 968 /* Do we have a running request on slot? */ 969 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 970 continue; 971 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 972 } 973} 974 975/* Must be called with channel locked. */ 976static void 977siis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 978{ 979 device_t dev = slot->dev; 980 struct siis_channel *ch = device_get_softc(dev); 981 union ccb *ccb = slot->ccb; 982 983 mtx_assert(&ch->mtx, MA_OWNED); 984 /* Cancel command execution timeout */ 985 callout_stop(&slot->timeout); 986 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 987 BUS_DMASYNC_POSTWRITE); 988 /* Read result registers to the result struct 989 * May be incorrect if several commands finished same time, 990 * so read only when sure or have to. 991 */ 992 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 993 struct ata_res *res = &ccb->ataio.res; 994 if ((et == SIIS_ERR_TFE) || 995 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 996 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 997 998 res->status = ATA_INB(ch->r_mem, offs + 2); 999 res->error = ATA_INB(ch->r_mem, offs + 3); 1000 res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1001 res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1002 res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1003 res->device = ATA_INB(ch->r_mem, offs + 7); 1004 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1005 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1006 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1007 res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1008 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1009 } else 1010 bzero(res, sizeof(*res)); 1011 } 1012 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1013 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1014 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1015 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1016 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1017 } 1018 /* Set proper result status. */ 1019 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1020 if (et != SIIS_ERR_NONE || ch->recovery) { 1021 ch->eslots |= (1 << slot->slot); 1022 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1023 } 1024 switch (et) { 1025 case SIIS_ERR_NONE: 1026 ccb->ccb_h.status |= CAM_REQ_CMP; 1027 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1028 ccb->csio.scsi_status = SCSI_STATUS_OK; 1029 break; 1030 case SIIS_ERR_INVALID: 1031 ccb->ccb_h.status |= CAM_REQ_INVALID; 1032 break; 1033 case SIIS_ERR_INNOCENT: 1034 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1035 break; 1036 case SIIS_ERR_TFE: 1037 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1038 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1039 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1040 } else { 1041 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1042 } 1043 break; 1044 case SIIS_ERR_SATA: 1045 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1046 break; 1047 case SIIS_ERR_TIMEOUT: 1048 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1049 break; 1050 case SIIS_ERR_NCQ: 1051 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1052 break; 1053 default: 1054 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1055 } 1056 /* Free slot. */ 1057 ch->rslots &= ~(1 << slot->slot); 1058 ch->aslots &= ~(1 << slot->slot); 1059 slot->state = SIIS_SLOT_EMPTY; 1060 slot->ccb = NULL; 1061 /* Update channel stats. */ 1062 ch->numrslots--; 1063 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1064 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1065 ch->numtslots[ccb->ccb_h.target_id]--; 1066 } 1067 /* If it was NCQ command error, put result on hold. */ 1068 if (et == SIIS_ERR_NCQ) { 1069 ch->hold[slot->slot] = ccb; 1070 ch->numhslots++; 1071 } else if (ch->readlog) /* If it was our READ LOG command - process it. */ 1072 siis_process_read_log(dev, ccb); 1073 else 1074 xpt_done(ccb); 1075 /* Unfreeze frozen command. */ 1076 if (ch->frozen && ch->numrslots == 0) { 1077 union ccb *fccb = ch->frozen; 1078 ch->frozen = NULL; 1079 siis_begin_transaction(dev, fccb); 1080 xpt_release_simq(ch->sim, TRUE); 1081 } 1082 /* If we have no other active commands, ... */ 1083 if (ch->rslots == 0) { 1084 /* if we have slots in error, we can reinit port. */ 1085 if (ch->eslots != 0) 1086 siis_portinit(dev); 1087 /* if there commands on hold, we can do READ LOG. */ 1088 if (!ch->readlog && ch->numhslots) 1089 siis_issue_read_log(dev); 1090 } 1091} 1092 1093static void 1094siis_issue_read_log(device_t dev) 1095{ 1096 struct siis_channel *ch = device_get_softc(dev); 1097 union ccb *ccb; 1098 struct ccb_ataio *ataio; 1099 int i; 1100 1101 /* Find some holden command. */ 1102 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1103 if (ch->hold[i]) 1104 break; 1105 } 1106 if (i == SIIS_MAX_SLOTS) 1107 return; 1108 ch->readlog = 1; 1109 ccb = xpt_alloc_ccb_nowait(); 1110 if (ccb == NULL) { 1111 device_printf(dev, "Unable allocate READ LOG command"); 1112 return; /* XXX */ 1113 } 1114 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1115 ccb->ccb_h.func_code = XPT_ATA_IO; 1116 ccb->ccb_h.flags = CAM_DIR_IN; 1117 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1118 ataio = &ccb->ataio; 1119 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1120 if (ataio->data_ptr == NULL) { 1121 device_printf(dev, "Unable allocate memory for READ LOG command"); 1122 return; /* XXX */ 1123 } 1124 ataio->dxfer_len = 512; 1125 bzero(&ataio->cmd, sizeof(ataio->cmd)); 1126 ataio->cmd.flags = CAM_ATAIO_48BIT; 1127 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1128 ataio->cmd.sector_count = 1; 1129 ataio->cmd.sector_count_exp = 0; 1130 ataio->cmd.lba_low = 0x10; 1131 ataio->cmd.lba_mid = 0; 1132 ataio->cmd.lba_mid_exp = 0; 1133 siis_begin_transaction(dev, ccb); 1134} 1135 1136static void 1137siis_process_read_log(device_t dev, union ccb *ccb) 1138{ 1139 struct siis_channel *ch = device_get_softc(dev); 1140 uint8_t *data; 1141 struct ata_res *res; 1142 int i; 1143 1144 ch->readlog = 0; 1145 data = ccb->ataio.data_ptr; 1146 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1147 (data[0] & 0x80) == 0) { 1148 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1149 if (!ch->hold[i]) 1150 continue; 1151 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1152 continue; 1153 if ((data[0] & 0x1F) == i) { 1154 res = &ch->hold[i]->ataio.res; 1155 res->status = data[2]; 1156 res->error = data[3]; 1157 res->lba_low = data[4]; 1158 res->lba_mid = data[5]; 1159 res->lba_high = data[6]; 1160 res->device = data[7]; 1161 res->lba_low_exp = data[8]; 1162 res->lba_mid_exp = data[9]; 1163 res->lba_high_exp = data[10]; 1164 res->sector_count = data[12]; 1165 res->sector_count_exp = data[13]; 1166 } else { 1167 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1168 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1169 } 1170 xpt_done(ch->hold[i]); 1171 ch->hold[i] = NULL; 1172 ch->numhslots--; 1173 } 1174 } else { 1175 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1176 device_printf(dev, "Error while READ LOG EXT\n"); 1177 else if ((data[0] & 0x80) == 0) { 1178 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1179 } 1180 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1181 if (!ch->hold[i]) 1182 continue; 1183 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1184 continue; 1185 xpt_done(ch->hold[i]); 1186 ch->hold[i] = NULL; 1187 ch->numhslots--; 1188 } 1189 } 1190 free(ccb->ataio.data_ptr, M_SIIS); 1191 xpt_free_ccb(ccb); 1192} 1193 1194static void 1195siis_portinit(device_t dev) 1196{ 1197 struct siis_channel *ch = device_get_softc(dev); 1198 int i; 1199 1200 ch->eslots = 0; 1201 ch->recovery = 0; 1202 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1203 for (i = 0; i < 16; i++) { 1204 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1205 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1206 } 1207 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1208 siis_wait_ready(dev, 1000); 1209} 1210 1211#if 0 1212static void 1213siis_devreset(device_t dev) 1214{ 1215 struct siis_channel *ch = device_get_softc(dev); 1216 1217 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1218 siis_wait_ready(dev, 1000); 1219} 1220#endif 1221 1222static int 1223siis_wait_ready(device_t dev, int t) 1224{ 1225 struct siis_channel *ch = device_get_softc(dev); 1226 int timeout = 0; 1227 uint32_t val; 1228 1229 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1230 SIIS_P_CTL_READY) == 0) { 1231 DELAY(1000); 1232 if (timeout++ > t) { 1233 device_printf(dev, "port is not ready (timeout %dms) " 1234 "status = %08x\n", t, val); 1235 return (EBUSY); 1236 } 1237 } 1238 if (bootverbose) 1239 device_printf(dev, "ready wait time=%dms\n", timeout); 1240 return (0); 1241} 1242 1243static void 1244siis_reset(device_t dev) 1245{ 1246 struct siis_channel *ch = device_get_softc(dev); 1247 int i; 1248 1249 if (bootverbose) 1250 device_printf(dev, "SIIS reset...\n"); 1251 xpt_freeze_simq(ch->sim, ch->numrslots); 1252 /* Requeue freezed command. */ 1253 if (ch->frozen) { 1254 union ccb *fccb = ch->frozen; 1255 ch->frozen = NULL; 1256 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1257 xpt_done(fccb); 1258 } 1259 /* Disable port interrupts */ 1260 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1261 /* Kill the engine and requeue all running commands. */ 1262 siis_portinit(dev); 1263 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1264 /* Do we have a running request on slot? */ 1265 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1266 continue; 1267 /* XXX; Commands in loading state. */ 1268 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1269 } 1270 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1271 /* Reset and reconnect PHY, */ 1272 if (!siis_sata_phy_reset(dev)) { 1273 ch->devices = 0; 1274 /* Enable port interrupts */ 1275 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1276 if (bootverbose) 1277 device_printf(dev, 1278 "SIIS reset done: phy reset found no device\n"); 1279 /* Tell the XPT about the event */ 1280 xpt_async(AC_BUS_RESET, ch->path, NULL); 1281 return; 1282 } 1283 /* Wait for clearing busy status. */ 1284 if (siis_wait_ready(dev, 10000)) { 1285 device_printf(dev, "device ready timeout\n"); 1286 } 1287 ch->devices = 1; 1288 /* Enable port interrupts */ 1289 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1290 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1291 if (bootverbose) 1292 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1293 /* Tell the XPT about the event */ 1294 xpt_async(AC_BUS_RESET, ch->path, NULL); 1295} 1296 1297static int 1298siis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag) 1299{ 1300 u_int8_t *fis = &ctp->fis[0]; 1301 1302 bzero(fis, 24); 1303 fis[0] = 0x27; /* host to device */ 1304 fis[1] = (ccb->ccb_h.target_id & 0x0f); 1305 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1306 fis[1] |= 0x80; 1307 fis[2] = ATA_PACKET_CMD; 1308 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 1309 fis[3] = ATA_F_DMA; 1310 else { 1311 fis[5] = ccb->csio.dxfer_len; 1312 fis[6] = ccb->csio.dxfer_len >> 8; 1313 } 1314 fis[7] = ATA_D_LBA; 1315 fis[15] = ATA_A_4BIT; 1316 bzero(ctp->u.atapi.ccb, 16); 1317 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1318 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1319 ctp->u.atapi.ccb, ccb->csio.cdb_len); 1320 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1321 fis[1] |= 0x80; 1322 fis[2] = ccb->ataio.cmd.command; 1323 fis[3] = ccb->ataio.cmd.features; 1324 fis[4] = ccb->ataio.cmd.lba_low; 1325 fis[5] = ccb->ataio.cmd.lba_mid; 1326 fis[6] = ccb->ataio.cmd.lba_high; 1327 fis[7] = ccb->ataio.cmd.device; 1328 fis[8] = ccb->ataio.cmd.lba_low_exp; 1329 fis[9] = ccb->ataio.cmd.lba_mid_exp; 1330 fis[10] = ccb->ataio.cmd.lba_high_exp; 1331 fis[11] = ccb->ataio.cmd.features_exp; 1332 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1333 fis[12] = tag << 3; 1334 fis[13] = 0; 1335 } else { 1336 fis[12] = ccb->ataio.cmd.sector_count; 1337 fis[13] = ccb->ataio.cmd.sector_count_exp; 1338 } 1339 fis[15] = ATA_A_4BIT; 1340 } else { 1341 /* Soft reset. */ 1342 } 1343 return (20); 1344} 1345 1346static int 1347siis_sata_connect(struct siis_channel *ch) 1348{ 1349 u_int32_t status; 1350 int timeout; 1351 1352 /* Wait up to 100ms for "connect well" */ 1353 for (timeout = 0; timeout < 100 ; timeout++) { 1354 status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1355 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1356 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1357 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1358 break; 1359 DELAY(1000); 1360 } 1361 if (timeout >= 100) { 1362 if (bootverbose) { 1363 device_printf(ch->dev, "SATA connect timeout status=%08x\n", 1364 status); 1365 } 1366 return (0); 1367 } 1368 if (bootverbose) { 1369 device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 1370 timeout, status); 1371 } 1372 /* Clear SATA error register */ 1373 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1374 return (1); 1375} 1376 1377static int 1378siis_sata_phy_reset(device_t dev) 1379{ 1380 struct siis_channel *ch = device_get_softc(dev); 1381 uint32_t val; 1382 1383 if (bootverbose) 1384 device_printf(dev, "hardware reset ...\n"); 1385 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, ATA_SC_IPM_DIS_PARTIAL | 1386 ATA_SC_IPM_DIS_SLUMBER | ATA_SC_DET_RESET); 1387 DELAY(50000); 1388 if (ch->sata_rev == 1) 1389 val = ATA_SC_SPD_SPEED_GEN1; 1390 else if (ch->sata_rev == 2) 1391 val = ATA_SC_SPD_SPEED_GEN2; 1392 else if (ch->sata_rev == 3) 1393 val = ATA_SC_SPD_SPEED_GEN3; 1394 else 1395 val = 0; 1396 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1397 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1398 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1399 DELAY(50000); 1400 return (siis_sata_connect(ch)); 1401} 1402 1403static void 1404siisaction(struct cam_sim *sim, union ccb *ccb) 1405{ 1406 device_t dev; 1407 struct siis_channel *ch; 1408 1409 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1410 ccb->ccb_h.func_code)); 1411 1412 ch = (struct siis_channel *)cam_sim_softc(sim); 1413 dev = ch->dev; 1414 mtx_assert(&ch->mtx, MA_OWNED); 1415 switch (ccb->ccb_h.func_code) { 1416 /* Common cases first */ 1417 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1418 case XPT_SCSI_IO: 1419 if (ch->devices == 0) { 1420 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1421 xpt_done(ccb); 1422 break; 1423 } 1424 /* Check for command collision. */ 1425 if (siis_check_collision(dev, ccb)) { 1426 /* Freeze command. */ 1427 ch->frozen = ccb; 1428 /* We have only one frozen slot, so freeze simq also. */ 1429 xpt_freeze_simq(ch->sim, 1); 1430 return; 1431 } 1432 siis_begin_transaction(dev, ccb); 1433 break; 1434 case XPT_EN_LUN: /* Enable LUN as a target */ 1435 case XPT_TARGET_IO: /* Execute target I/O request */ 1436 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1437 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1438 case XPT_ABORT: /* Abort the specified CCB */ 1439 /* XXX Implement */ 1440 ccb->ccb_h.status = CAM_REQ_INVALID; 1441 xpt_done(ccb); 1442 break; 1443 case XPT_SET_TRAN_SETTINGS: 1444 { 1445 struct ccb_trans_settings *cts = &ccb->cts; 1446 1447 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1448 if (cts->xport_specific.sata.pm_present) 1449 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1450 else 1451 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1452 } 1453 ccb->ccb_h.status = CAM_REQ_CMP; 1454 xpt_done(ccb); 1455 break; 1456 } 1457 case XPT_GET_TRAN_SETTINGS: 1458 /* Get default/user set transfer settings for the target */ 1459 { 1460 struct ccb_trans_settings *cts = &ccb->cts; 1461 uint32_t status; 1462 1463 cts->protocol = PROTO_ATA; 1464 cts->protocol_version = SCSI_REV_2; 1465 cts->transport = XPORT_SATA; 1466 cts->transport_version = 2; 1467 cts->proto_specific.valid = 0; 1468 cts->xport_specific.sata.valid = 0; 1469 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1470 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1471 else 1472 status = ATA_INL(ch->r_mem, SIIS_P_SCTL) & ATA_SC_SPD_MASK; 1473 if (status & ATA_SS_SPD_GEN3) { 1474 cts->xport_specific.sata.bitrate = 600000; 1475 cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1476 } else if (status & ATA_SS_SPD_GEN2) { 1477 cts->xport_specific.sata.bitrate = 300000; 1478 cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1479 } else if (status & ATA_SS_SPD_GEN1) { 1480 cts->xport_specific.sata.bitrate = 150000; 1481 cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1482 } 1483 cts->xport_specific.sata.pm_present = 1484 (ATA_INL(ch->r_mem, SIIS_P_STS) & SIIS_P_CTL_PME) ? 1485 1 : 0; 1486 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1487 ccb->ccb_h.status = CAM_REQ_CMP; 1488 xpt_done(ccb); 1489 break; 1490 } 1491#if 0 1492 case XPT_CALC_GEOMETRY: 1493 { 1494 struct ccb_calc_geometry *ccg; 1495 uint32_t size_mb; 1496 uint32_t secs_per_cylinder; 1497 1498 ccg = &ccb->ccg; 1499 size_mb = ccg->volume_size 1500 / ((1024L * 1024L) / ccg->block_size); 1501 if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1502 if (size_mb >= 2048) { 1503 ccg->heads = 255; 1504 ccg->secs_per_track = 63; 1505 } else { 1506 ccg->heads = 128; 1507 ccg->secs_per_track = 32; 1508 } 1509 } else { 1510 ccg->heads = 64; 1511 ccg->secs_per_track = 32; 1512 } 1513 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1514 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1515 ccb->ccb_h.status = CAM_REQ_CMP; 1516 xpt_done(ccb); 1517 break; 1518 } 1519#endif 1520 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1521 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1522 siis_reset(dev); 1523 ccb->ccb_h.status = CAM_REQ_CMP; 1524 xpt_done(ccb); 1525 break; 1526 case XPT_TERM_IO: /* Terminate the I/O process */ 1527 /* XXX Implement */ 1528 ccb->ccb_h.status = CAM_REQ_INVALID; 1529 xpt_done(ccb); 1530 break; 1531 case XPT_PATH_INQ: /* Path routing inquiry */ 1532 { 1533 struct ccb_pathinq *cpi = &ccb->cpi; 1534 1535 cpi->version_num = 1; /* XXX??? */ 1536 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1537 cpi->hba_inquiry |= PI_SATAPM; 1538 cpi->target_sprt = 0; 1539 cpi->hba_misc = PIM_SEQSCAN; 1540 cpi->hba_eng_cnt = 0; 1541 cpi->max_target = 14; 1542 cpi->max_lun = 0; 1543 cpi->initiator_id = 0; 1544 cpi->bus_id = cam_sim_bus(sim); 1545 cpi->base_transfer_speed = 150000; 1546 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1547 strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1548 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1549 cpi->unit_number = cam_sim_unit(sim); 1550 cpi->transport = XPORT_SATA; 1551 cpi->transport_version = 2; 1552 cpi->protocol = PROTO_ATA; 1553 cpi->protocol_version = SCSI_REV_2; 1554 cpi->ccb_h.status = CAM_REQ_CMP; 1555 cpi->maxio = MAXPHYS; 1556 xpt_done(ccb); 1557 break; 1558 } 1559 default: 1560 ccb->ccb_h.status = CAM_REQ_INVALID; 1561 xpt_done(ccb); 1562 break; 1563 } 1564} 1565 1566static void 1567siispoll(struct cam_sim *sim) 1568{ 1569 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1570 1571 siis_ch_intr(ch->dev); 1572} 1573