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("$FreeBSD$"); 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/led/led.h> 48#include <dev/pci/pcivar.h> 49#include <dev/pci/pcireg.h> 50#include "siis.h" 51 52#include <cam/cam.h> 53#include <cam/cam_ccb.h> 54#include <cam/cam_sim.h> 55#include <cam/cam_xpt_sim.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_init(device_t dev); 64static int siis_ch_deinit(device_t dev); 65static int siis_ch_suspend(device_t dev); 66static int siis_ch_resume(device_t dev); 67static void siis_ch_intr_locked(void *data); 68static void siis_ch_intr(void *data); 69static void siis_ch_led(void *priv, int onoff); 70static void siis_begin_transaction(device_t dev, union ccb *ccb); 71static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 72static void siis_execute_transaction(struct siis_slot *slot); 73static void siis_timeout(struct siis_slot *slot); 74static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 75static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 76static void siis_dmainit(device_t dev); 77static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 78static void siis_dmafini(device_t dev); 79static void siis_slotsalloc(device_t dev); 80static void siis_slotsfree(device_t dev); 81static void siis_reset(device_t dev); 82static void siis_portinit(device_t dev); 83static int siis_wait_ready(device_t dev, int t); 84 85static int siis_sata_connect(struct siis_channel *ch); 86 87static void siis_issue_recovery(device_t dev); 88static void siis_process_read_log(device_t dev, union ccb *ccb); 89static void siis_process_request_sense(device_t dev, union ccb *ccb); 90 91static void siisaction(struct cam_sim *sim, union ccb *ccb); 92static void siispoll(struct cam_sim *sim); 93 94static MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 95 96static struct { 97 uint32_t id; 98 const char *name; 99 int ports; 100 int quirks; 101#define SIIS_Q_SNTF 1 102#define SIIS_Q_NOMSI 2 103} siis_ids[] = { 104 {0x31241095, "SiI3124", 4, 0}, 105 {0x31248086, "SiI3124", 4, 0}, 106 {0x31321095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 107 {0x02421095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 108 {0x02441095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 109 {0x31311095, "SiI3131", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 110 {0x35311095, "SiI3531", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 111 {0, NULL, 0, 0} 112}; 113 114#define recovery_type spriv_field0 115#define RECOVERY_NONE 0 116#define RECOVERY_READ_LOG 1 117#define RECOVERY_REQUEST_SENSE 2 118#define recovery_slot spriv_field1 119 120static int 121siis_probe(device_t dev) 122{ 123 char buf[64]; 124 int i; 125 uint32_t devid = pci_get_devid(dev); 126 127 for (i = 0; siis_ids[i].id != 0; i++) { 128 if (siis_ids[i].id == devid) { 129 snprintf(buf, sizeof(buf), "%s SATA controller", 130 siis_ids[i].name); 131 device_set_desc_copy(dev, buf); 132 return (BUS_PROBE_VENDOR); 133 } 134 } 135 return (ENXIO); 136} 137 138static int 139siis_attach(device_t dev) 140{ 141 struct siis_controller *ctlr = device_get_softc(dev); 142 uint32_t devid = pci_get_devid(dev); 143 device_t child; 144 int error, i, unit; 145 146 ctlr->dev = dev; 147 for (i = 0; siis_ids[i].id != 0; i++) { 148 if (siis_ids[i].id == devid) 149 break; 150 } 151 ctlr->quirks = siis_ids[i].quirks; 152 /* Global memory */ 153 ctlr->r_grid = PCIR_BAR(0); 154 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 155 &ctlr->r_grid, RF_ACTIVE))) 156 return (ENXIO); 157 ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 158 /* Channels memory */ 159 ctlr->r_rid = PCIR_BAR(2); 160 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 161 &ctlr->r_rid, RF_ACTIVE))) 162 return (ENXIO); 163 /* Setup our own memory management for channels. */ 164 ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem); 165 ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem); 166 ctlr->sc_iomem.rm_type = RMAN_ARRAY; 167 ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 168 if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 169 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 170 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 171 return (error); 172 } 173 if ((error = rman_manage_region(&ctlr->sc_iomem, 174 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 175 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 176 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 177 rman_fini(&ctlr->sc_iomem); 178 return (error); 179 } 180 pci_enable_busmaster(dev); 181 /* Reset controller */ 182 siis_resume(dev); 183 /* Number of HW channels */ 184 ctlr->channels = siis_ids[i].ports; 185 /* Setup interrupts. */ 186 if (siis_setup_interrupt(dev)) { 187 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 188 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 189 rman_fini(&ctlr->sc_iomem); 190 return ENXIO; 191 } 192 /* Attach all channels on this controller */ 193 for (unit = 0; unit < ctlr->channels; unit++) { 194 child = device_add_child(dev, "siisch", -1); 195 if (child == NULL) 196 device_printf(dev, "failed to add channel device\n"); 197 else 198 device_set_ivars(child, (void *)(intptr_t)unit); 199 } 200 bus_generic_attach(dev); 201 return 0; 202} 203 204static int 205siis_detach(device_t dev) 206{ 207 struct siis_controller *ctlr = device_get_softc(dev); 208 209 /* Detach & delete all children */ 210 device_delete_children(dev); 211 212 /* Free interrupts. */ 213 if (ctlr->irq.r_irq) { 214 bus_teardown_intr(dev, ctlr->irq.r_irq, 215 ctlr->irq.handle); 216 bus_release_resource(dev, SYS_RES_IRQ, 217 ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 218 } 219 pci_release_msi(dev); 220 /* Free memory. */ 221 rman_fini(&ctlr->sc_iomem); 222 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 223 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 224 return (0); 225} 226 227static int 228siis_suspend(device_t dev) 229{ 230 struct siis_controller *ctlr = device_get_softc(dev); 231 232 bus_generic_suspend(dev); 233 /* Put controller into reset state. */ 234 ctlr->gctl |= SIIS_GCTL_GRESET; 235 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 236 return 0; 237} 238 239static int 240siis_resume(device_t dev) 241{ 242 struct siis_controller *ctlr = device_get_softc(dev); 243 244 /* Set PCIe max read request size to at least 1024 bytes */ 245 if (pci_get_max_read_req(dev) < 1024) 246 pci_set_max_read_req(dev, 1024); 247 /* Put controller into reset state. */ 248 ctlr->gctl |= SIIS_GCTL_GRESET; 249 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 250 DELAY(10000); 251 /* Get controller out of reset state and enable port interrupts. */ 252 ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 253 ctlr->gctl |= 0x0000000f; 254 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 255 return (bus_generic_resume(dev)); 256} 257 258static int 259siis_setup_interrupt(device_t dev) 260{ 261 struct siis_controller *ctlr = device_get_softc(dev); 262 int msi = ctlr->quirks & SIIS_Q_NOMSI ? 0 : 1; 263 264 /* Process hints. */ 265 resource_int_value(device_get_name(dev), 266 device_get_unit(dev), "msi", &msi); 267 if (msi < 0) 268 msi = 0; 269 else if (msi > 0) 270 msi = min(1, pci_msi_count(dev)); 271 /* Allocate MSI if needed/present. */ 272 if (msi && pci_alloc_msi(dev, &msi) != 0) 273 msi = 0; 274 /* Allocate all IRQs. */ 275 ctlr->irq.r_irq_rid = msi ? 1 : 0; 276 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 277 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 278 device_printf(dev, "unable to map interrupt\n"); 279 return ENXIO; 280 } 281 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 282 siis_intr, ctlr, &ctlr->irq.handle))) { 283 /* SOS XXX release r_irq */ 284 device_printf(dev, "unable to setup interrupt\n"); 285 return ENXIO; 286 } 287 return (0); 288} 289 290/* 291 * Common case interrupt handler. 292 */ 293static void 294siis_intr(void *data) 295{ 296 struct siis_controller *ctlr = (struct siis_controller *)data; 297 u_int32_t is; 298 void *arg; 299 int unit; 300 301 is = ATA_INL(ctlr->r_gmem, SIIS_IS); 302 for (unit = 0; unit < ctlr->channels; unit++) { 303 if ((is & SIIS_IS_PORT(unit)) != 0 && 304 (arg = ctlr->interrupt[unit].argument)) { 305 ctlr->interrupt[unit].function(arg); 306 } 307 } 308 /* Acknowledge interrupt, if MSI enabled. */ 309 if (ctlr->irq.r_irq_rid) { 310 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 311 ctlr->gctl | SIIS_GCTL_MSIACK); 312 } 313} 314 315static struct resource * 316siis_alloc_resource(device_t dev, device_t child, int type, int *rid, 317 u_long start, u_long end, u_long count, u_int flags) 318{ 319 struct siis_controller *ctlr = device_get_softc(dev); 320 int unit = ((struct siis_channel *)device_get_softc(child))->unit; 321 struct resource *res = NULL; 322 int offset = unit << 13; 323 long st; 324 325 switch (type) { 326 case SYS_RES_MEMORY: 327 st = rman_get_start(ctlr->r_mem); 328 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 329 st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 330 if (res) { 331 bus_space_handle_t bsh; 332 bus_space_tag_t bst; 333 bsh = rman_get_bushandle(ctlr->r_mem); 334 bst = rman_get_bustag(ctlr->r_mem); 335 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 336 rman_set_bushandle(res, bsh); 337 rman_set_bustag(res, bst); 338 } 339 break; 340 case SYS_RES_IRQ: 341 if (*rid == ATA_IRQ_RID) 342 res = ctlr->irq.r_irq; 343 break; 344 } 345 return (res); 346} 347 348static int 349siis_release_resource(device_t dev, device_t child, int type, int rid, 350 struct resource *r) 351{ 352 353 switch (type) { 354 case SYS_RES_MEMORY: 355 rman_release_resource(r); 356 return (0); 357 case SYS_RES_IRQ: 358 if (rid != ATA_IRQ_RID) 359 return ENOENT; 360 return (0); 361 } 362 return (EINVAL); 363} 364 365static int 366siis_setup_intr(device_t dev, device_t child, struct resource *irq, 367 int flags, driver_filter_t *filter, driver_intr_t *function, 368 void *argument, void **cookiep) 369{ 370 struct siis_controller *ctlr = device_get_softc(dev); 371 int unit = (intptr_t)device_get_ivars(child); 372 373 if (filter != NULL) { 374 printf("siis.c: we cannot use a filter here\n"); 375 return (EINVAL); 376 } 377 ctlr->interrupt[unit].function = function; 378 ctlr->interrupt[unit].argument = argument; 379 return (0); 380} 381 382static int 383siis_teardown_intr(device_t dev, device_t child, struct resource *irq, 384 void *cookie) 385{ 386 struct siis_controller *ctlr = device_get_softc(dev); 387 int unit = (intptr_t)device_get_ivars(child); 388 389 ctlr->interrupt[unit].function = NULL; 390 ctlr->interrupt[unit].argument = NULL; 391 return (0); 392} 393 394static int 395siis_print_child(device_t dev, device_t child) 396{ 397 int retval; 398 399 retval = bus_print_child_header(dev, child); 400 retval += printf(" at channel %d", 401 (int)(intptr_t)device_get_ivars(child)); 402 retval += bus_print_child_footer(dev, child); 403 404 return (retval); 405} 406 407static int 408siis_child_location_str(device_t dev, device_t child, char *buf, 409 size_t buflen) 410{ 411 412 snprintf(buf, buflen, "channel=%d", 413 (int)(intptr_t)device_get_ivars(child)); 414 return (0); 415} 416 417static bus_dma_tag_t 418siis_get_dma_tag(device_t bus, device_t child) 419{ 420 421 return (bus_get_dma_tag(bus)); 422} 423 424devclass_t siis_devclass; 425static device_method_t siis_methods[] = { 426 DEVMETHOD(device_probe, siis_probe), 427 DEVMETHOD(device_attach, siis_attach), 428 DEVMETHOD(device_detach, siis_detach), 429 DEVMETHOD(device_suspend, siis_suspend), 430 DEVMETHOD(device_resume, siis_resume), 431 DEVMETHOD(bus_print_child, siis_print_child), 432 DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 433 DEVMETHOD(bus_release_resource, siis_release_resource), 434 DEVMETHOD(bus_setup_intr, siis_setup_intr), 435 DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 436 DEVMETHOD(bus_child_location_str, siis_child_location_str), 437 DEVMETHOD(bus_get_dma_tag, siis_get_dma_tag), 438 { 0, 0 } 439}; 440static driver_t siis_driver = { 441 "siis", 442 siis_methods, 443 sizeof(struct siis_controller) 444}; 445DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 446MODULE_VERSION(siis, 1); 447MODULE_DEPEND(siis, cam, 1, 1, 1); 448 449static int 450siis_ch_probe(device_t dev) 451{ 452 453 device_set_desc_copy(dev, "SIIS channel"); 454 return (0); 455} 456 457static int 458siis_ch_attach(device_t dev) 459{ 460 struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 461 struct siis_channel *ch = device_get_softc(dev); 462 struct cam_devq *devq; 463 int rid, error, i, sata_rev = 0; 464 465 ch->dev = dev; 466 ch->unit = (intptr_t)device_get_ivars(dev); 467 ch->quirks = ctlr->quirks; 468 resource_int_value(device_get_name(dev), 469 device_get_unit(dev), "pm_level", &ch->pm_level); 470 resource_int_value(device_get_name(dev), 471 device_get_unit(dev), "sata_rev", &sata_rev); 472 for (i = 0; i < 16; i++) { 473 ch->user[i].revision = sata_rev; 474 ch->user[i].mode = 0; 475 ch->user[i].bytecount = 8192; 476 ch->user[i].tags = SIIS_MAX_SLOTS; 477 ch->curr[i] = ch->user[i]; 478 if (ch->pm_level) 479 ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ; 480 ch->user[i].caps |= CTS_SATA_CAPS_H_AN; 481 } 482 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 483 rid = ch->unit; 484 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 485 &rid, RF_ACTIVE))) 486 return (ENXIO); 487 siis_dmainit(dev); 488 siis_slotsalloc(dev); 489 siis_ch_init(dev); 490 mtx_lock(&ch->mtx); 491 rid = ATA_IRQ_RID; 492 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 493 &rid, RF_SHAREABLE | RF_ACTIVE))) { 494 device_printf(dev, "Unable to map interrupt\n"); 495 error = ENXIO; 496 goto err0; 497 } 498 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 499 siis_ch_intr_locked, dev, &ch->ih))) { 500 device_printf(dev, "Unable to setup interrupt\n"); 501 error = ENXIO; 502 goto err1; 503 } 504 /* Create the device queue for our SIM. */ 505 devq = cam_simq_alloc(SIIS_MAX_SLOTS); 506 if (devq == NULL) { 507 device_printf(dev, "Unable to allocate simq\n"); 508 error = ENOMEM; 509 goto err1; 510 } 511 /* Construct SIM entry */ 512 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 513 device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 514 if (ch->sim == NULL) { 515 cam_simq_free(devq); 516 device_printf(dev, "unable to allocate sim\n"); 517 error = ENOMEM; 518 goto err1; 519 } 520 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 521 device_printf(dev, "unable to register xpt bus\n"); 522 error = ENXIO; 523 goto err2; 524 } 525 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 526 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 527 device_printf(dev, "unable to create path\n"); 528 error = ENXIO; 529 goto err3; 530 } 531 mtx_unlock(&ch->mtx); 532 ch->led = led_create(siis_ch_led, dev, device_get_nameunit(dev)); 533 return (0); 534 535err3: 536 xpt_bus_deregister(cam_sim_path(ch->sim)); 537err2: 538 cam_sim_free(ch->sim, /*free_devq*/TRUE); 539err1: 540 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 541err0: 542 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 543 mtx_unlock(&ch->mtx); 544 mtx_destroy(&ch->mtx); 545 return (error); 546} 547 548static int 549siis_ch_detach(device_t dev) 550{ 551 struct siis_channel *ch = device_get_softc(dev); 552 553 led_destroy(ch->led); 554 mtx_lock(&ch->mtx); 555 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 556 xpt_free_path(ch->path); 557 xpt_bus_deregister(cam_sim_path(ch->sim)); 558 cam_sim_free(ch->sim, /*free_devq*/TRUE); 559 mtx_unlock(&ch->mtx); 560 561 bus_teardown_intr(dev, ch->r_irq, ch->ih); 562 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 563 564 siis_ch_deinit(dev); 565 siis_slotsfree(dev); 566 siis_dmafini(dev); 567 568 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 569 mtx_destroy(&ch->mtx); 570 return (0); 571} 572 573static int 574siis_ch_init(device_t dev) 575{ 576 struct siis_channel *ch = device_get_softc(dev); 577 578 /* Get port out of reset state. */ 579 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 580 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 581 if (ch->pm_present) 582 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 583 else 584 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 585 /* Enable port interrupts */ 586 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 587 return (0); 588} 589 590static int 591siis_ch_deinit(device_t dev) 592{ 593 struct siis_channel *ch = device_get_softc(dev); 594 595 /* Put port into reset state. */ 596 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 597 return (0); 598} 599 600static int 601siis_ch_suspend(device_t dev) 602{ 603 struct siis_channel *ch = device_get_softc(dev); 604 605 mtx_lock(&ch->mtx); 606 xpt_freeze_simq(ch->sim, 1); 607 while (ch->oslots) 608 msleep(ch, &ch->mtx, PRIBIO, "siissusp", hz/100); 609 siis_ch_deinit(dev); 610 mtx_unlock(&ch->mtx); 611 return (0); 612} 613 614static int 615siis_ch_resume(device_t dev) 616{ 617 struct siis_channel *ch = device_get_softc(dev); 618 619 mtx_lock(&ch->mtx); 620 siis_ch_init(dev); 621 siis_reset(dev); 622 xpt_release_simq(ch->sim, TRUE); 623 mtx_unlock(&ch->mtx); 624 return (0); 625} 626 627devclass_t siisch_devclass; 628static device_method_t siisch_methods[] = { 629 DEVMETHOD(device_probe, siis_ch_probe), 630 DEVMETHOD(device_attach, siis_ch_attach), 631 DEVMETHOD(device_detach, siis_ch_detach), 632 DEVMETHOD(device_suspend, siis_ch_suspend), 633 DEVMETHOD(device_resume, siis_ch_resume), 634 { 0, 0 } 635}; 636static driver_t siisch_driver = { 637 "siisch", 638 siisch_methods, 639 sizeof(struct siis_channel) 640}; 641DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 642 643static void 644siis_ch_led(void *priv, int onoff) 645{ 646 device_t dev; 647 struct siis_channel *ch; 648 649 dev = (device_t)priv; 650 ch = device_get_softc(dev); 651 652 if (onoff == 0) 653 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_LED_ON); 654 else 655 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_LED_ON); 656} 657 658struct siis_dc_cb_args { 659 bus_addr_t maddr; 660 int error; 661}; 662 663static void 664siis_dmainit(device_t dev) 665{ 666 struct siis_channel *ch = device_get_softc(dev); 667 struct siis_dc_cb_args dcba; 668 669 /* Command area. */ 670 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 671 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 672 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 673 0, NULL, NULL, &ch->dma.work_tag)) 674 goto error; 675 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 676 &ch->dma.work_map)) 677 goto error; 678 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 679 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 680 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 681 goto error; 682 } 683 ch->dma.work_bus = dcba.maddr; 684 /* Data area. */ 685 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 686 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 687 NULL, NULL, 688 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 689 SIIS_SG_ENTRIES, 0xFFFFFFFF, 690 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 691 goto error; 692 } 693 return; 694 695error: 696 device_printf(dev, "WARNING - DMA initialization failed\n"); 697 siis_dmafini(dev); 698} 699 700static void 701siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 702{ 703 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 704 705 if (!(dcba->error = error)) 706 dcba->maddr = segs[0].ds_addr; 707} 708 709static void 710siis_dmafini(device_t dev) 711{ 712 struct siis_channel *ch = device_get_softc(dev); 713 714 if (ch->dma.data_tag) { 715 bus_dma_tag_destroy(ch->dma.data_tag); 716 ch->dma.data_tag = NULL; 717 } 718 if (ch->dma.work_bus) { 719 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 720 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 721 ch->dma.work_bus = 0; 722 ch->dma.work_map = NULL; 723 ch->dma.work = NULL; 724 } 725 if (ch->dma.work_tag) { 726 bus_dma_tag_destroy(ch->dma.work_tag); 727 ch->dma.work_tag = NULL; 728 } 729} 730 731static void 732siis_slotsalloc(device_t dev) 733{ 734 struct siis_channel *ch = device_get_softc(dev); 735 int i; 736 737 /* Alloc and setup command/dma slots */ 738 bzero(ch->slot, sizeof(ch->slot)); 739 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 740 struct siis_slot *slot = &ch->slot[i]; 741 742 slot->dev = dev; 743 slot->slot = i; 744 slot->state = SIIS_SLOT_EMPTY; 745 slot->ccb = NULL; 746 callout_init_mtx(&slot->timeout, &ch->mtx, 0); 747 748 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 749 device_printf(ch->dev, "FAILURE - create data_map\n"); 750 } 751} 752 753static void 754siis_slotsfree(device_t dev) 755{ 756 struct siis_channel *ch = device_get_softc(dev); 757 int i; 758 759 /* Free all dma slots */ 760 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 761 struct siis_slot *slot = &ch->slot[i]; 762 763 callout_drain(&slot->timeout); 764 if (slot->dma.data_map) { 765 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 766 slot->dma.data_map = NULL; 767 } 768 } 769} 770 771static void 772siis_notify_events(device_t dev) 773{ 774 struct siis_channel *ch = device_get_softc(dev); 775 struct cam_path *dpath; 776 u_int32_t status; 777 int i; 778 779 if (ch->quirks & SIIS_Q_SNTF) { 780 status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 781 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 782 } else { 783 /* 784 * Without SNTF we have no idea which device sent notification. 785 * If PMP is connected, assume it, else - device. 786 */ 787 status = (ch->pm_present) ? 0x8000 : 0x0001; 788 } 789 if (bootverbose) 790 device_printf(dev, "SNTF 0x%04x\n", status); 791 for (i = 0; i < 16; i++) { 792 if ((status & (1 << i)) == 0) 793 continue; 794 if (xpt_create_path(&dpath, NULL, 795 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 796 xpt_async(AC_SCSI_AEN, dpath, NULL); 797 xpt_free_path(dpath); 798 } 799 } 800 801} 802 803static void 804siis_phy_check_events(device_t dev) 805{ 806 struct siis_channel *ch = device_get_softc(dev); 807 808 /* If we have a connection event, deal with it */ 809 if (ch->pm_level == 0) { 810 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 811 union ccb *ccb; 812 813 if (bootverbose) { 814 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 815 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 816 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 817 device_printf(dev, "CONNECT requested\n"); 818 } else 819 device_printf(dev, "DISCONNECT requested\n"); 820 } 821 siis_reset(dev); 822 if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 823 return; 824 if (xpt_create_path(&ccb->ccb_h.path, NULL, 825 cam_sim_path(ch->sim), 826 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 827 xpt_free_ccb(ccb); 828 return; 829 } 830 xpt_rescan(ccb); 831 } 832} 833 834static void 835siis_ch_intr_locked(void *data) 836{ 837 device_t dev = (device_t)data; 838 struct siis_channel *ch = device_get_softc(dev); 839 840 mtx_lock(&ch->mtx); 841 siis_ch_intr(data); 842 mtx_unlock(&ch->mtx); 843} 844 845static void 846siis_ch_intr(void *data) 847{ 848 device_t dev = (device_t)data; 849 struct siis_channel *ch = device_get_softc(dev); 850 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 851 enum siis_err_type et; 852 int i, ccs, port, tslots; 853 854 mtx_assert(&ch->mtx, MA_OWNED); 855 /* Read command statuses. */ 856 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 857 ok = ch->rslots & ~sstatus; 858 /* Complete all successfull commands. */ 859 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 860 if ((ok >> i) & 1) 861 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 862 } 863 /* Do we have any other events? */ 864 if ((sstatus & SIIS_P_SS_ATTN) == 0) 865 return; 866 /* Read and clear interrupt statuses. */ 867 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 868 (0xFFFF & ~SIIS_P_IX_COMMCOMP); 869 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 870 /* Process PHY events */ 871 if (istatus & SIIS_P_IX_PHYRDYCHG) 872 siis_phy_check_events(dev); 873 /* Process NOTIFY events */ 874 if (istatus & SIIS_P_IX_SDBN) 875 siis_notify_events(dev); 876 /* Process command errors */ 877 if (istatus & SIIS_P_IX_COMMERR) { 878 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 879 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 880 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 881 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 882 err = ch->rslots & sstatus; 883//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 884// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 885// ATA_INL(ch->r_mem, SIIS_P_SERR)); 886 887 if (!ch->recoverycmd && !ch->recovery) { 888 xpt_freeze_simq(ch->sim, ch->numrslots); 889 ch->recovery = 1; 890 } 891 if (ch->frozen) { 892 union ccb *fccb = ch->frozen; 893 ch->frozen = NULL; 894 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 895 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 896 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 897 xpt_freeze_devq(fccb->ccb_h.path, 1); 898 fccb->ccb_h.status |= CAM_DEV_QFRZN; 899 } 900 xpt_done(fccb); 901 } 902 if (estatus == SIIS_P_CMDERR_DEV || 903 estatus == SIIS_P_CMDERR_SDB || 904 estatus == SIIS_P_CMDERR_DATAFIS) { 905 tslots = ch->numtslots[port]; 906 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 907 /* XXX: requests in loading state. */ 908 if (((ch->rslots >> i) & 1) == 0) 909 continue; 910 if (ch->slot[i].ccb->ccb_h.target_id != port) 911 continue; 912 if (tslots == 0) { 913 /* Untagged operation. */ 914 if (i == ccs) 915 et = SIIS_ERR_TFE; 916 else 917 et = SIIS_ERR_INNOCENT; 918 } else { 919 /* Tagged operation. */ 920 et = SIIS_ERR_NCQ; 921 } 922 siis_end_transaction(&ch->slot[i], et); 923 } 924 /* 925 * We can't reinit port if there are some other 926 * commands active, use resume to complete them. 927 */ 928 if (ch->rslots != 0 && !ch->recoverycmd) 929 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 930 } else { 931 if (estatus == SIIS_P_CMDERR_SENDFIS || 932 estatus == SIIS_P_CMDERR_INCSTATE || 933 estatus == SIIS_P_CMDERR_PPE || 934 estatus == SIIS_P_CMDERR_SERVICE) { 935 et = SIIS_ERR_SATA; 936 } else 937 et = SIIS_ERR_INVALID; 938 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 939 /* XXX: requests in loading state. */ 940 if (((ch->rslots >> i) & 1) == 0) 941 continue; 942 siis_end_transaction(&ch->slot[i], et); 943 } 944 } 945 } 946} 947 948/* Must be called with channel locked. */ 949static int 950siis_check_collision(device_t dev, union ccb *ccb) 951{ 952 struct siis_channel *ch = device_get_softc(dev); 953 954 mtx_assert(&ch->mtx, MA_OWNED); 955 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 956 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 957 /* Tagged command while we have no supported tag free. */ 958 if (((~ch->oslots) & (0x7fffffff >> (31 - 959 ch->curr[ccb->ccb_h.target_id].tags))) == 0) 960 return (1); 961 } 962 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 963 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 964 /* Atomic command while anything active. */ 965 if (ch->numrslots != 0) 966 return (1); 967 } 968 /* We have some atomic command running. */ 969 if (ch->aslots != 0) 970 return (1); 971 return (0); 972} 973 974/* Must be called with channel locked. */ 975static void 976siis_begin_transaction(device_t dev, union ccb *ccb) 977{ 978 struct siis_channel *ch = device_get_softc(dev); 979 struct siis_slot *slot; 980 int tag, tags; 981 982 mtx_assert(&ch->mtx, MA_OWNED); 983 /* Choose empty slot. */ 984 tags = SIIS_MAX_SLOTS; 985 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 986 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 987 tags = ch->curr[ccb->ccb_h.target_id].tags; 988 tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 989 /* Occupy chosen slot. */ 990 slot = &ch->slot[tag]; 991 slot->ccb = ccb; 992 /* Update channel stats. */ 993 ch->oslots |= (1 << slot->slot); 994 ch->numrslots++; 995 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 996 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 997 ch->numtslots[ccb->ccb_h.target_id]++; 998 } 999 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1000 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 1001 ch->aslots |= (1 << slot->slot); 1002 slot->dma.nsegs = 0; 1003 /* If request moves data, setup and load SG list */ 1004 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1005 slot->state = SIIS_SLOT_LOADING; 1006 bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map, 1007 ccb, siis_dmasetprd, slot, 0); 1008 } else 1009 siis_execute_transaction(slot); 1010} 1011 1012/* Locked by busdma engine. */ 1013static void 1014siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1015{ 1016 struct siis_slot *slot = arg; 1017 struct siis_channel *ch = device_get_softc(slot->dev); 1018 struct siis_cmd *ctp; 1019 struct siis_dma_prd *prd; 1020 int i; 1021 1022 mtx_assert(&ch->mtx, MA_OWNED); 1023 if (error) { 1024 device_printf(slot->dev, "DMA load error\n"); 1025 if (!ch->recoverycmd) 1026 xpt_freeze_simq(ch->sim, 1); 1027 siis_end_transaction(slot, SIIS_ERR_INVALID); 1028 return; 1029 } 1030 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 1031 slot->dma.nsegs = nsegs; 1032 if (nsegs != 0) { 1033 /* Get a piece of the workspace for this request */ 1034 ctp = (struct siis_cmd *)(ch->dma.work + SIIS_CT_OFFSET + 1035 (SIIS_CT_SIZE * slot->slot)); 1036 /* Fill S/G table */ 1037 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 1038 prd = &ctp->u.ata.prd[0]; 1039 else 1040 prd = &ctp->u.atapi.prd[0]; 1041 for (i = 0; i < nsegs; i++) { 1042 prd[i].dba = htole64(segs[i].ds_addr); 1043 prd[i].dbc = htole32(segs[i].ds_len); 1044 prd[i].control = 0; 1045 } 1046 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 1047 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1048 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 1049 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 1050 } 1051 siis_execute_transaction(slot); 1052} 1053 1054/* Must be called with channel locked. */ 1055static void 1056siis_execute_transaction(struct siis_slot *slot) 1057{ 1058 device_t dev = slot->dev; 1059 struct siis_channel *ch = device_get_softc(dev); 1060 struct siis_cmd *ctp; 1061 union ccb *ccb = slot->ccb; 1062 u_int64_t prb_bus; 1063 1064 mtx_assert(&ch->mtx, MA_OWNED); 1065 /* Get a piece of the workspace for this request */ 1066 ctp = (struct siis_cmd *) 1067 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 1068 ctp->control = 0; 1069 ctp->protocol_override = 0; 1070 ctp->transfer_count = 0; 1071 /* Special handling for Soft Reset command. */ 1072 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1073 if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) { 1074 ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 1075 } else { 1076 ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE); 1077 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1078 ctp->protocol_override |= 1079 htole16(SIIS_PRB_PROTO_NCQ); 1080 } 1081 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1082 ctp->protocol_override |= 1083 htole16(SIIS_PRB_PROTO_READ); 1084 } else 1085 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1086 ctp->protocol_override |= 1087 htole16(SIIS_PRB_PROTO_WRITE); 1088 } 1089 } 1090 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1091 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1092 ctp->control |= htole16(SIIS_PRB_PACKET_READ); 1093 else 1094 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1095 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 1096 } 1097 /* Special handling for Soft Reset command. */ 1098 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1099 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1100 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1101 /* Kick controller into sane state */ 1102 siis_portinit(dev); 1103 } 1104 /* Setup the FIS for this request */ 1105 if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1106 device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1107 if (!ch->recoverycmd) 1108 xpt_freeze_simq(ch->sim, 1); 1109 siis_end_transaction(slot, SIIS_ERR_INVALID); 1110 return; 1111 } 1112 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1113 BUS_DMASYNC_PREWRITE); 1114 /* Issue command to the controller. */ 1115 slot->state = SIIS_SLOT_RUNNING; 1116 ch->rslots |= (1 << slot->slot); 1117 prb_bus = ch->dma.work_bus + 1118 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 1119 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1120 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1121 /* Start command execution timeout */ 1122 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 1123 (timeout_t*)siis_timeout, slot); 1124 return; 1125} 1126 1127/* Must be called with channel locked. */ 1128static void 1129siis_process_timeout(device_t dev) 1130{ 1131 struct siis_channel *ch = device_get_softc(dev); 1132 int i; 1133 1134 mtx_assert(&ch->mtx, MA_OWNED); 1135 if (!ch->recoverycmd && !ch->recovery) { 1136 xpt_freeze_simq(ch->sim, ch->numrslots); 1137 ch->recovery = 1; 1138 } 1139 /* Handle the rest of commands. */ 1140 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1141 /* Do we have a running request on slot? */ 1142 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1143 continue; 1144 siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1145 } 1146} 1147 1148/* Must be called with channel locked. */ 1149static void 1150siis_rearm_timeout(device_t dev) 1151{ 1152 struct siis_channel *ch = device_get_softc(dev); 1153 int i; 1154 1155 mtx_assert(&ch->mtx, MA_OWNED); 1156 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1157 struct siis_slot *slot = &ch->slot[i]; 1158 1159 /* Do we have a running request on slot? */ 1160 if (slot->state < SIIS_SLOT_RUNNING) 1161 continue; 1162 if ((ch->toslots & (1 << i)) == 0) 1163 continue; 1164 callout_reset(&slot->timeout, 1165 (int)slot->ccb->ccb_h.timeout * hz / 1000, 1166 (timeout_t*)siis_timeout, slot); 1167 } 1168} 1169 1170/* Locked by callout mechanism. */ 1171static void 1172siis_timeout(struct siis_slot *slot) 1173{ 1174 device_t dev = slot->dev; 1175 struct siis_channel *ch = device_get_softc(dev); 1176 union ccb *ccb = slot->ccb; 1177 1178 mtx_assert(&ch->mtx, MA_OWNED); 1179 /* Check for stale timeout. */ 1180 if (slot->state < SIIS_SLOT_RUNNING) 1181 return; 1182 1183 /* Handle soft-reset timeouts without doing hard-reset. */ 1184 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1185 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1186 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1187 xpt_freeze_simq(ch->sim, ch->numrslots); 1188 siis_end_transaction(slot, SIIS_ERR_TFE); 1189 return; 1190 } 1191 1192 device_printf(dev, "Timeout on slot %d\n", slot->slot); 1193 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1194 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), 1195 ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1196 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1197 ATA_INL(ch->r_mem, SIIS_P_SERR)); 1198 1199 if (ch->toslots == 0) 1200 xpt_freeze_simq(ch->sim, 1); 1201 ch->toslots |= (1 << slot->slot); 1202 if ((ch->rslots & ~ch->toslots) == 0) 1203 siis_process_timeout(dev); 1204 else 1205 device_printf(dev, " ... waiting for slots %08x\n", 1206 ch->rslots & ~ch->toslots); 1207} 1208 1209/* Must be called with channel locked. */ 1210static void 1211siis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1212{ 1213 device_t dev = slot->dev; 1214 struct siis_channel *ch = device_get_softc(dev); 1215 union ccb *ccb = slot->ccb; 1216 int lastto; 1217 1218 mtx_assert(&ch->mtx, MA_OWNED); 1219 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1220 BUS_DMASYNC_POSTWRITE); 1221 /* Read result registers to the result struct 1222 * May be incorrect if several commands finished same time, 1223 * so read only when sure or have to. 1224 */ 1225 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1226 struct ata_res *res = &ccb->ataio.res; 1227 if ((et == SIIS_ERR_TFE) || 1228 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1229 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1230 1231 res->status = ATA_INB(ch->r_mem, offs + 2); 1232 res->error = ATA_INB(ch->r_mem, offs + 3); 1233 res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1234 res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1235 res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1236 res->device = ATA_INB(ch->r_mem, offs + 7); 1237 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1238 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1239 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1240 res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1241 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1242 } else 1243 bzero(res, sizeof(*res)); 1244 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1245 ch->numrslots == 1) { 1246 ccb->ataio.resid = ccb->ataio.dxfer_len - 1247 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1248 } 1249 } else { 1250 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1251 ch->numrslots == 1) { 1252 ccb->csio.resid = ccb->csio.dxfer_len - 1253 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1254 } 1255 } 1256 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1257 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1258 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1259 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1260 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1261 } 1262 /* Set proper result status. */ 1263 if (et != SIIS_ERR_NONE || ch->recovery) { 1264 ch->eslots |= (1 << slot->slot); 1265 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1266 } 1267 /* In case of error, freeze device for proper recovery. */ 1268 if (et != SIIS_ERR_NONE && (!ch->recoverycmd) && 1269 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1270 xpt_freeze_devq(ccb->ccb_h.path, 1); 1271 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1272 } 1273 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1274 switch (et) { 1275 case SIIS_ERR_NONE: 1276 ccb->ccb_h.status |= CAM_REQ_CMP; 1277 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1278 ccb->csio.scsi_status = SCSI_STATUS_OK; 1279 break; 1280 case SIIS_ERR_INVALID: 1281 ch->fatalerr = 1; 1282 ccb->ccb_h.status |= CAM_REQ_INVALID; 1283 break; 1284 case SIIS_ERR_INNOCENT: 1285 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1286 break; 1287 case SIIS_ERR_TFE: 1288 case SIIS_ERR_NCQ: 1289 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1290 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1291 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1292 } else { 1293 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1294 } 1295 break; 1296 case SIIS_ERR_SATA: 1297 ch->fatalerr = 1; 1298 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1299 break; 1300 case SIIS_ERR_TIMEOUT: 1301 ch->fatalerr = 1; 1302 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1303 break; 1304 default: 1305 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1306 } 1307 /* Free slot. */ 1308 ch->oslots &= ~(1 << slot->slot); 1309 ch->rslots &= ~(1 << slot->slot); 1310 ch->aslots &= ~(1 << slot->slot); 1311 slot->state = SIIS_SLOT_EMPTY; 1312 slot->ccb = NULL; 1313 /* Update channel stats. */ 1314 ch->numrslots--; 1315 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1316 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1317 ch->numtslots[ccb->ccb_h.target_id]--; 1318 } 1319 /* Cancel timeout state if request completed normally. */ 1320 if (et != SIIS_ERR_TIMEOUT) { 1321 lastto = (ch->toslots == (1 << slot->slot)); 1322 ch->toslots &= ~(1 << slot->slot); 1323 if (lastto) 1324 xpt_release_simq(ch->sim, TRUE); 1325 } 1326 /* If it was our READ LOG command - process it. */ 1327 if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) { 1328 siis_process_read_log(dev, ccb); 1329 /* If it was our REQUEST SENSE command - process it. */ 1330 } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) { 1331 siis_process_request_sense(dev, ccb); 1332 /* If it was NCQ or ATAPI command error, put result on hold. */ 1333 } else if (et == SIIS_ERR_NCQ || 1334 ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1335 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) { 1336 ch->hold[slot->slot] = ccb; 1337 ch->numhslots++; 1338 } else 1339 xpt_done(ccb); 1340 /* If we have no other active commands, ... */ 1341 if (ch->rslots == 0) { 1342 /* if there were timeouts or fatal error - reset port. */ 1343 if (ch->toslots != 0 || ch->fatalerr) { 1344 siis_reset(dev); 1345 } else { 1346 /* if we have slots in error, we can reinit port. */ 1347 if (ch->eslots != 0) 1348 siis_portinit(dev); 1349 /* if there commands on hold, we can do recovery. */ 1350 if (!ch->recoverycmd && ch->numhslots) 1351 siis_issue_recovery(dev); 1352 } 1353 /* If all the reset of commands are in timeout - abort them. */ 1354 } else if ((ch->rslots & ~ch->toslots) == 0 && 1355 et != SIIS_ERR_TIMEOUT) 1356 siis_rearm_timeout(dev); 1357 /* Unfreeze frozen command. */ 1358 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1359 union ccb *fccb = ch->frozen; 1360 ch->frozen = NULL; 1361 siis_begin_transaction(dev, fccb); 1362 xpt_release_simq(ch->sim, TRUE); 1363 } 1364} 1365 1366static void 1367siis_issue_recovery(device_t dev) 1368{ 1369 struct siis_channel *ch = device_get_softc(dev); 1370 union ccb *ccb; 1371 struct ccb_ataio *ataio; 1372 struct ccb_scsiio *csio; 1373 int i; 1374 1375 /* Find some held command. */ 1376 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1377 if (ch->hold[i]) 1378 break; 1379 } 1380 if (i == SIIS_MAX_SLOTS) 1381 return; 1382 ccb = xpt_alloc_ccb_nowait(); 1383 if (ccb == NULL) { 1384 device_printf(dev, "Unable to allocate recovery command\n"); 1385completeall: 1386 /* We can't do anything -- complete held commands. */ 1387 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1388 if (ch->hold[i] == NULL) 1389 continue; 1390 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1391 ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL; 1392 xpt_done(ch->hold[i]); 1393 ch->hold[i] = NULL; 1394 ch->numhslots--; 1395 } 1396 siis_reset(dev); 1397 return; 1398 } 1399 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1400 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1401 /* READ LOG */ 1402 ccb->ccb_h.recovery_type = RECOVERY_READ_LOG; 1403 ccb->ccb_h.func_code = XPT_ATA_IO; 1404 ccb->ccb_h.flags = CAM_DIR_IN; 1405 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1406 ataio = &ccb->ataio; 1407 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1408 if (ataio->data_ptr == NULL) { 1409 xpt_free_ccb(ccb); 1410 device_printf(dev, 1411 "Unable to allocate memory for READ LOG command\n"); 1412 goto completeall; 1413 } 1414 ataio->dxfer_len = 512; 1415 bzero(&ataio->cmd, sizeof(ataio->cmd)); 1416 ataio->cmd.flags = CAM_ATAIO_48BIT; 1417 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1418 ataio->cmd.sector_count = 1; 1419 ataio->cmd.sector_count_exp = 0; 1420 ataio->cmd.lba_low = 0x10; 1421 ataio->cmd.lba_mid = 0; 1422 ataio->cmd.lba_mid_exp = 0; 1423 } else { 1424 /* REQUEST SENSE */ 1425 ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE; 1426 ccb->ccb_h.recovery_slot = i; 1427 ccb->ccb_h.func_code = XPT_SCSI_IO; 1428 ccb->ccb_h.flags = CAM_DIR_IN; 1429 ccb->ccb_h.status = 0; 1430 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1431 csio = &ccb->csio; 1432 csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data; 1433 csio->dxfer_len = ch->hold[i]->csio.sense_len; 1434 csio->cdb_len = 6; 1435 bzero(&csio->cdb_io, sizeof(csio->cdb_io)); 1436 csio->cdb_io.cdb_bytes[0] = 0x03; 1437 csio->cdb_io.cdb_bytes[4] = csio->dxfer_len; 1438 } 1439 ch->recoverycmd = 1; 1440 siis_begin_transaction(dev, ccb); 1441} 1442 1443static void 1444siis_process_read_log(device_t dev, union ccb *ccb) 1445{ 1446 struct siis_channel *ch = device_get_softc(dev); 1447 uint8_t *data; 1448 struct ata_res *res; 1449 int i; 1450 1451 ch->recoverycmd = 0; 1452 data = ccb->ataio.data_ptr; 1453 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1454 (data[0] & 0x80) == 0) { 1455 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1456 if (!ch->hold[i]) 1457 continue; 1458 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1459 continue; 1460 if ((data[0] & 0x1F) == i) { 1461 res = &ch->hold[i]->ataio.res; 1462 res->status = data[2]; 1463 res->error = data[3]; 1464 res->lba_low = data[4]; 1465 res->lba_mid = data[5]; 1466 res->lba_high = data[6]; 1467 res->device = data[7]; 1468 res->lba_low_exp = data[8]; 1469 res->lba_mid_exp = data[9]; 1470 res->lba_high_exp = data[10]; 1471 res->sector_count = data[12]; 1472 res->sector_count_exp = data[13]; 1473 } else { 1474 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1475 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1476 } 1477 xpt_done(ch->hold[i]); 1478 ch->hold[i] = NULL; 1479 ch->numhslots--; 1480 } 1481 } else { 1482 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1483 device_printf(dev, "Error while READ LOG EXT\n"); 1484 else if ((data[0] & 0x80) == 0) { 1485 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1486 } 1487 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1488 if (!ch->hold[i]) 1489 continue; 1490 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1491 continue; 1492 xpt_done(ch->hold[i]); 1493 ch->hold[i] = NULL; 1494 ch->numhslots--; 1495 } 1496 } 1497 free(ccb->ataio.data_ptr, M_SIIS); 1498 xpt_free_ccb(ccb); 1499} 1500 1501static void 1502siis_process_request_sense(device_t dev, union ccb *ccb) 1503{ 1504 struct siis_channel *ch = device_get_softc(dev); 1505 int i; 1506 1507 ch->recoverycmd = 0; 1508 1509 i = ccb->ccb_h.recovery_slot; 1510 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1511 ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID; 1512 } else { 1513 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1514 ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1515 } 1516 xpt_done(ch->hold[i]); 1517 ch->hold[i] = NULL; 1518 ch->numhslots--; 1519 xpt_free_ccb(ccb); 1520} 1521 1522static void 1523siis_portinit(device_t dev) 1524{ 1525 struct siis_channel *ch = device_get_softc(dev); 1526 int i; 1527 1528 ch->eslots = 0; 1529 ch->recovery = 0; 1530 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1531 for (i = 0; i < 16; i++) { 1532 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1533 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1534 } 1535 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1536 siis_wait_ready(dev, 1000); 1537} 1538 1539static int 1540siis_devreset(device_t dev) 1541{ 1542 struct siis_channel *ch = device_get_softc(dev); 1543 int timeout = 0; 1544 uint32_t val; 1545 1546 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1547 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1548 SIIS_P_CTL_DEV_RESET) != 0) { 1549 DELAY(100); 1550 if (timeout++ > 1000) { 1551 device_printf(dev, "device reset stuck " 1552 "(timeout 100ms) status = %08x\n", val); 1553 return (EBUSY); 1554 } 1555 } 1556 return (0); 1557} 1558 1559static int 1560siis_wait_ready(device_t dev, int t) 1561{ 1562 struct siis_channel *ch = device_get_softc(dev); 1563 int timeout = 0; 1564 uint32_t val; 1565 1566 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1567 SIIS_P_CTL_READY) == 0) { 1568 DELAY(1000); 1569 if (timeout++ > t) { 1570 device_printf(dev, "port is not ready (timeout %dms) " 1571 "status = %08x\n", t, val); 1572 return (EBUSY); 1573 } 1574 } 1575 return (0); 1576} 1577 1578static void 1579siis_reset(device_t dev) 1580{ 1581 struct siis_channel *ch = device_get_softc(dev); 1582 int i, retry = 0, sata_rev; 1583 uint32_t val; 1584 1585 xpt_freeze_simq(ch->sim, 1); 1586 if (bootverbose) 1587 device_printf(dev, "SIIS reset...\n"); 1588 if (!ch->recoverycmd && !ch->recovery) 1589 xpt_freeze_simq(ch->sim, ch->numrslots); 1590 /* Requeue frozen command. */ 1591 if (ch->frozen) { 1592 union ccb *fccb = ch->frozen; 1593 ch->frozen = NULL; 1594 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1595 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1596 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1597 xpt_freeze_devq(fccb->ccb_h.path, 1); 1598 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1599 } 1600 xpt_done(fccb); 1601 } 1602 /* Requeue all running commands. */ 1603 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1604 /* Do we have a running request on slot? */ 1605 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1606 continue; 1607 /* XXX; Commands in loading state. */ 1608 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1609 } 1610 /* Finish all held commands as-is. */ 1611 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1612 if (!ch->hold[i]) 1613 continue; 1614 xpt_done(ch->hold[i]); 1615 ch->hold[i] = NULL; 1616 ch->numhslots--; 1617 } 1618 if (ch->toslots != 0) 1619 xpt_release_simq(ch->sim, TRUE); 1620 ch->eslots = 0; 1621 ch->recovery = 0; 1622 ch->toslots = 0; 1623 ch->fatalerr = 0; 1624 /* Disable port interrupts */ 1625 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1626 /* Set speed limit. */ 1627 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1628 if (sata_rev == 1) 1629 val = ATA_SC_SPD_SPEED_GEN1; 1630 else if (sata_rev == 2) 1631 val = ATA_SC_SPD_SPEED_GEN2; 1632 else if (sata_rev == 3) 1633 val = ATA_SC_SPD_SPEED_GEN3; 1634 else 1635 val = 0; 1636 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1637 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1638 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1639retry: 1640 siis_devreset(dev); 1641 /* Reset and reconnect PHY, */ 1642 if (!siis_sata_connect(ch)) { 1643 ch->devices = 0; 1644 /* Enable port interrupts */ 1645 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1646 if (bootverbose) 1647 device_printf(dev, 1648 "SIIS reset done: phy reset found no device\n"); 1649 /* Tell the XPT about the event */ 1650 xpt_async(AC_BUS_RESET, ch->path, NULL); 1651 xpt_release_simq(ch->sim, TRUE); 1652 return; 1653 } 1654 /* Wait for port ready status. */ 1655 if (siis_wait_ready(dev, 1000)) { 1656 device_printf(dev, "port ready timeout\n"); 1657 if (!retry) { 1658 device_printf(dev, "trying full port reset ...\n"); 1659 /* Get port to the reset state. */ 1660 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1661 DELAY(10000); 1662 /* Get port out of reset state. */ 1663 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1664 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1665 if (ch->pm_present) 1666 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1667 else 1668 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1669 siis_wait_ready(dev, 5000); 1670 retry = 1; 1671 goto retry; 1672 } 1673 } 1674 ch->devices = 1; 1675 /* Enable port interrupts */ 1676 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1677 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1678 if (bootverbose) 1679 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1680 /* Tell the XPT about the event */ 1681 xpt_async(AC_BUS_RESET, ch->path, NULL); 1682 xpt_release_simq(ch->sim, TRUE); 1683} 1684 1685static int 1686siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1687{ 1688 struct siis_channel *ch = device_get_softc(dev); 1689 u_int8_t *fis = &ctp->fis[0]; 1690 1691 bzero(fis, 24); 1692 fis[0] = 0x27; /* host to device */ 1693 fis[1] = (ccb->ccb_h.target_id & 0x0f); 1694 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1695 fis[1] |= 0x80; 1696 fis[2] = ATA_PACKET_CMD; 1697 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1698 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1699 fis[3] = ATA_F_DMA; 1700 else { 1701 fis[5] = ccb->csio.dxfer_len; 1702 fis[6] = ccb->csio.dxfer_len >> 8; 1703 } 1704 fis[7] = ATA_D_LBA; 1705 fis[15] = ATA_A_4BIT; 1706 bzero(ctp->u.atapi.ccb, 16); 1707 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1708 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1709 ctp->u.atapi.ccb, ccb->csio.cdb_len); 1710 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1711 fis[1] |= 0x80; 1712 fis[2] = ccb->ataio.cmd.command; 1713 fis[3] = ccb->ataio.cmd.features; 1714 fis[4] = ccb->ataio.cmd.lba_low; 1715 fis[5] = ccb->ataio.cmd.lba_mid; 1716 fis[6] = ccb->ataio.cmd.lba_high; 1717 fis[7] = ccb->ataio.cmd.device; 1718 fis[8] = ccb->ataio.cmd.lba_low_exp; 1719 fis[9] = ccb->ataio.cmd.lba_mid_exp; 1720 fis[10] = ccb->ataio.cmd.lba_high_exp; 1721 fis[11] = ccb->ataio.cmd.features_exp; 1722 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1723 fis[12] = tag << 3; 1724 fis[13] = 0; 1725 } else { 1726 fis[12] = ccb->ataio.cmd.sector_count; 1727 fis[13] = ccb->ataio.cmd.sector_count_exp; 1728 } 1729 fis[15] = ATA_A_4BIT; 1730 } else { 1731 /* Soft reset. */ 1732 } 1733 return (20); 1734} 1735 1736static int 1737siis_sata_connect(struct siis_channel *ch) 1738{ 1739 u_int32_t status; 1740 int timeout, found = 0; 1741 1742 /* Wait up to 100ms for "connect well" */ 1743 for (timeout = 0; timeout < 1000 ; timeout++) { 1744 status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1745 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE) 1746 found = 1; 1747 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1748 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1749 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1750 break; 1751 if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) { 1752 if (bootverbose) { 1753 device_printf(ch->dev, "SATA offline status=%08x\n", 1754 status); 1755 } 1756 return (0); 1757 } 1758 if (found == 0 && timeout >= 100) 1759 break; 1760 DELAY(100); 1761 } 1762 if (timeout >= 1000 || !found) { 1763 if (bootverbose) { 1764 device_printf(ch->dev, 1765 "SATA connect timeout time=%dus status=%08x\n", 1766 timeout * 100, status); 1767 } 1768 return (0); 1769 } 1770 if (bootverbose) { 1771 device_printf(ch->dev, "SATA connect time=%dus status=%08x\n", 1772 timeout * 100, status); 1773 } 1774 /* Clear SATA error register */ 1775 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1776 return (1); 1777} 1778 1779static int 1780siis_check_ids(device_t dev, union ccb *ccb) 1781{ 1782 1783 if (ccb->ccb_h.target_id > 15) { 1784 ccb->ccb_h.status = CAM_TID_INVALID; 1785 xpt_done(ccb); 1786 return (-1); 1787 } 1788 if (ccb->ccb_h.target_lun != 0) { 1789 ccb->ccb_h.status = CAM_LUN_INVALID; 1790 xpt_done(ccb); 1791 return (-1); 1792 } 1793 return (0); 1794} 1795 1796static void 1797siisaction(struct cam_sim *sim, union ccb *ccb) 1798{ 1799 device_t dev, parent; 1800 struct siis_channel *ch; 1801 1802 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1803 ccb->ccb_h.func_code)); 1804 1805 ch = (struct siis_channel *)cam_sim_softc(sim); 1806 dev = ch->dev; 1807 mtx_assert(&ch->mtx, MA_OWNED); 1808 switch (ccb->ccb_h.func_code) { 1809 /* Common cases first */ 1810 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1811 case XPT_SCSI_IO: 1812 if (siis_check_ids(dev, ccb)) 1813 return; 1814 if (ch->devices == 0 || 1815 (ch->pm_present == 0 && 1816 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { 1817 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1818 break; 1819 } 1820 ccb->ccb_h.recovery_type = RECOVERY_NONE; 1821 /* Check for command collision. */ 1822 if (siis_check_collision(dev, ccb)) { 1823 /* Freeze command. */ 1824 ch->frozen = ccb; 1825 /* We have only one frozen slot, so freeze simq also. */ 1826 xpt_freeze_simq(ch->sim, 1); 1827 return; 1828 } 1829 siis_begin_transaction(dev, ccb); 1830 return; 1831 case XPT_EN_LUN: /* Enable LUN as a target */ 1832 case XPT_TARGET_IO: /* Execute target I/O request */ 1833 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1834 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1835 case XPT_ABORT: /* Abort the specified CCB */ 1836 /* XXX Implement */ 1837 ccb->ccb_h.status = CAM_REQ_INVALID; 1838 break; 1839 case XPT_SET_TRAN_SETTINGS: 1840 { 1841 struct ccb_trans_settings *cts = &ccb->cts; 1842 struct siis_device *d; 1843 1844 if (siis_check_ids(dev, ccb)) 1845 return; 1846 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1847 d = &ch->curr[ccb->ccb_h.target_id]; 1848 else 1849 d = &ch->user[ccb->ccb_h.target_id]; 1850 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1851 d->revision = cts->xport_specific.sata.revision; 1852 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1853 d->mode = cts->xport_specific.sata.mode; 1854 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1855 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1856 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1857 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1858 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1859 ch->pm_present = cts->xport_specific.sata.pm_present; 1860 if (ch->pm_present) 1861 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1862 else 1863 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1864 } 1865 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1866 d->atapi = cts->xport_specific.sata.atapi; 1867 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1868 d->caps = cts->xport_specific.sata.caps; 1869 ccb->ccb_h.status = CAM_REQ_CMP; 1870 break; 1871 } 1872 case XPT_GET_TRAN_SETTINGS: 1873 /* Get default/user set transfer settings for the target */ 1874 { 1875 struct ccb_trans_settings *cts = &ccb->cts; 1876 struct siis_device *d; 1877 uint32_t status; 1878 1879 if (siis_check_ids(dev, ccb)) 1880 return; 1881 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1882 d = &ch->curr[ccb->ccb_h.target_id]; 1883 else 1884 d = &ch->user[ccb->ccb_h.target_id]; 1885 cts->protocol = PROTO_UNSPECIFIED; 1886 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1887 cts->transport = XPORT_SATA; 1888 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1889 cts->proto_specific.valid = 0; 1890 cts->xport_specific.sata.valid = 0; 1891 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1892 (ccb->ccb_h.target_id == 15 || 1893 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1894 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1895 if (status & 0x0f0) { 1896 cts->xport_specific.sata.revision = 1897 (status & 0x0f0) >> 4; 1898 cts->xport_specific.sata.valid |= 1899 CTS_SATA_VALID_REVISION; 1900 } 1901 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; 1902 if (ch->pm_level) 1903 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; 1904 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; 1905 cts->xport_specific.sata.caps &= 1906 ch->user[ccb->ccb_h.target_id].caps; 1907 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1908 } else { 1909 cts->xport_specific.sata.revision = d->revision; 1910 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1911 cts->xport_specific.sata.caps = d->caps; 1912 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1913 (ch->quirks & SIIS_Q_SNTF) == 0) 1914 cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; 1915 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1916 } 1917 cts->xport_specific.sata.mode = d->mode; 1918 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1919 cts->xport_specific.sata.bytecount = d->bytecount; 1920 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1921 cts->xport_specific.sata.pm_present = ch->pm_present; 1922 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1923 cts->xport_specific.sata.tags = d->tags; 1924 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1925 cts->xport_specific.sata.atapi = d->atapi; 1926 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1927 ccb->ccb_h.status = CAM_REQ_CMP; 1928 break; 1929 } 1930 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1931 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1932 siis_reset(dev); 1933 ccb->ccb_h.status = CAM_REQ_CMP; 1934 break; 1935 case XPT_TERM_IO: /* Terminate the I/O process */ 1936 /* XXX Implement */ 1937 ccb->ccb_h.status = CAM_REQ_INVALID; 1938 break; 1939 case XPT_PATH_INQ: /* Path routing inquiry */ 1940 { 1941 struct ccb_pathinq *cpi = &ccb->cpi; 1942 1943 parent = device_get_parent(dev); 1944 cpi->version_num = 1; /* XXX??? */ 1945 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1946 cpi->hba_inquiry |= PI_SATAPM; 1947 cpi->target_sprt = 0; 1948 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED; 1949 cpi->hba_eng_cnt = 0; 1950 cpi->max_target = 15; 1951 cpi->max_lun = 0; 1952 cpi->initiator_id = 0; 1953 cpi->bus_id = cam_sim_bus(sim); 1954 cpi->base_transfer_speed = 150000; 1955 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1956 strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1957 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1958 cpi->unit_number = cam_sim_unit(sim); 1959 cpi->transport = XPORT_SATA; 1960 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1961 cpi->protocol = PROTO_ATA; 1962 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1963 cpi->maxio = MAXPHYS; 1964 cpi->hba_vendor = pci_get_vendor(parent); 1965 cpi->hba_device = pci_get_device(parent); 1966 cpi->hba_subvendor = pci_get_subvendor(parent); 1967 cpi->hba_subdevice = pci_get_subdevice(parent); 1968 cpi->ccb_h.status = CAM_REQ_CMP; 1969 break; 1970 } 1971 default: 1972 ccb->ccb_h.status = CAM_REQ_INVALID; 1973 break; 1974 } 1975 xpt_done(ccb); 1976} 1977 1978static void 1979siispoll(struct cam_sim *sim) 1980{ 1981 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1982 1983 siis_ch_intr(ch->dev); 1984} 1985