siis.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: stable/11/sys/dev/siis/siis.c 330897 2018-03-14 03:19:51Z eadler $"); 31 32#include <sys/param.h> 33#include <sys/module.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/ata.h> 37#include <sys/bus.h> 38#include <sys/endian.h> 39#include <sys/malloc.h> 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/sema.h> 43#include <sys/taskqueue.h> 44#include <vm/uma.h> 45#include <machine/stdarg.h> 46#include <machine/resource.h> 47#include <machine/bus.h> 48#include <sys/rman.h> 49#include <dev/led/led.h> 50#include <dev/pci/pcivar.h> 51#include <dev/pci/pcireg.h> 52#include "siis.h" 53 54#include <cam/cam.h> 55#include <cam/cam_ccb.h> 56#include <cam/cam_sim.h> 57#include <cam/cam_xpt_sim.h> 58#include <cam/cam_debug.h> 59 60/* local prototypes */ 61static int siis_setup_interrupt(device_t dev); 62static void siis_intr(void *data); 63static int siis_suspend(device_t dev); 64static int siis_resume(device_t dev); 65static int siis_ch_init(device_t dev); 66static int siis_ch_deinit(device_t dev); 67static int siis_ch_suspend(device_t dev); 68static int siis_ch_resume(device_t dev); 69static void siis_ch_intr_locked(void *data); 70static void siis_ch_intr(void *data); 71static void siis_ch_led(void *priv, int onoff); 72static void siis_begin_transaction(device_t dev, union ccb *ccb); 73static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 74static void siis_execute_transaction(struct siis_slot *slot); 75static void siis_timeout(struct siis_slot *slot); 76static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 77static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 78static void siis_dmainit(device_t dev); 79static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 80static void siis_dmafini(device_t dev); 81static void siis_slotsalloc(device_t dev); 82static void siis_slotsfree(device_t dev); 83static void siis_reset(device_t dev); 84static void siis_portinit(device_t dev); 85static int siis_wait_ready(device_t dev, int t); 86 87static int siis_sata_connect(struct siis_channel *ch); 88 89static void siis_issue_recovery(device_t dev); 90static void siis_process_read_log(device_t dev, union ccb *ccb); 91static void siis_process_request_sense(device_t dev, union ccb *ccb); 92 93static void siisaction(struct cam_sim *sim, union ccb *ccb); 94static void siispoll(struct cam_sim *sim); 95 96static MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 97 98static struct { 99 uint32_t id; 100 const char *name; 101 int ports; 102 int quirks; 103#define SIIS_Q_SNTF 1 104#define SIIS_Q_NOMSI 2 105} siis_ids[] = { 106 {0x31241095, "SiI3124", 4, 0}, 107 {0x31248086, "SiI3124", 4, 0}, 108 {0x31321095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 109 {0x02421095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 110 {0x02441095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 111 {0x31311095, "SiI3131", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 112 {0x35311095, "SiI3531", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 113 {0, NULL, 0, 0} 114}; 115 116#define recovery_type spriv_field0 117#define RECOVERY_NONE 0 118#define RECOVERY_READ_LOG 1 119#define RECOVERY_REQUEST_SENSE 2 120#define recovery_slot spriv_field1 121 122static int 123siis_probe(device_t dev) 124{ 125 char buf[64]; 126 int i; 127 uint32_t devid = pci_get_devid(dev); 128 129 for (i = 0; siis_ids[i].id != 0; i++) { 130 if (siis_ids[i].id == devid) { 131 snprintf(buf, sizeof(buf), "%s SATA controller", 132 siis_ids[i].name); 133 device_set_desc_copy(dev, buf); 134 return (BUS_PROBE_DEFAULT); 135 } 136 } 137 return (ENXIO); 138} 139 140static int 141siis_attach(device_t dev) 142{ 143 struct siis_controller *ctlr = device_get_softc(dev); 144 uint32_t devid = pci_get_devid(dev); 145 device_t child; 146 int error, i, unit; 147 148 ctlr->dev = dev; 149 for (i = 0; siis_ids[i].id != 0; i++) { 150 if (siis_ids[i].id == devid) 151 break; 152 } 153 ctlr->quirks = siis_ids[i].quirks; 154 /* Global memory */ 155 ctlr->r_grid = PCIR_BAR(0); 156 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 157 &ctlr->r_grid, RF_ACTIVE))) 158 return (ENXIO); 159 ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 160 /* Channels memory */ 161 ctlr->r_rid = PCIR_BAR(2); 162 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 163 &ctlr->r_rid, RF_ACTIVE))) 164 return (ENXIO); 165 /* Setup our own memory management for channels. */ 166 ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem); 167 ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem); 168 ctlr->sc_iomem.rm_type = RMAN_ARRAY; 169 ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 170 if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 171 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 172 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 173 return (error); 174 } 175 if ((error = rman_manage_region(&ctlr->sc_iomem, 176 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 177 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 178 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 179 rman_fini(&ctlr->sc_iomem); 180 return (error); 181 } 182 pci_enable_busmaster(dev); 183 /* Reset controller */ 184 siis_resume(dev); 185 /* Number of HW channels */ 186 ctlr->channels = siis_ids[i].ports; 187 /* Setup interrupts. */ 188 if (siis_setup_interrupt(dev)) { 189 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 190 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 191 rman_fini(&ctlr->sc_iomem); 192 return ENXIO; 193 } 194 /* Attach all channels on this controller */ 195 for (unit = 0; unit < ctlr->channels; unit++) { 196 child = device_add_child(dev, "siisch", -1); 197 if (child == NULL) 198 device_printf(dev, "failed to add channel device\n"); 199 else 200 device_set_ivars(child, (void *)(intptr_t)unit); 201 } 202 bus_generic_attach(dev); 203 return 0; 204} 205 206static int 207siis_detach(device_t dev) 208{ 209 struct siis_controller *ctlr = device_get_softc(dev); 210 211 /* Detach & delete all children */ 212 device_delete_children(dev); 213 214 /* Free interrupts. */ 215 if (ctlr->irq.r_irq) { 216 bus_teardown_intr(dev, ctlr->irq.r_irq, 217 ctlr->irq.handle); 218 bus_release_resource(dev, SYS_RES_IRQ, 219 ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 220 } 221 pci_release_msi(dev); 222 /* Free memory. */ 223 rman_fini(&ctlr->sc_iomem); 224 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 225 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 226 return (0); 227} 228 229static int 230siis_suspend(device_t dev) 231{ 232 struct siis_controller *ctlr = device_get_softc(dev); 233 234 bus_generic_suspend(dev); 235 /* Put controller into reset state. */ 236 ctlr->gctl |= SIIS_GCTL_GRESET; 237 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 238 return 0; 239} 240 241static int 242siis_resume(device_t dev) 243{ 244 struct siis_controller *ctlr = device_get_softc(dev); 245 246 /* Set PCIe max read request size to at least 1024 bytes */ 247 if (pci_get_max_read_req(dev) < 1024) 248 pci_set_max_read_req(dev, 1024); 249 /* Put controller into reset state. */ 250 ctlr->gctl |= SIIS_GCTL_GRESET; 251 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 252 DELAY(10000); 253 /* Get controller out of reset state and enable port interrupts. */ 254 ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 255 ctlr->gctl |= 0x0000000f; 256 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 257 return (bus_generic_resume(dev)); 258} 259 260static int 261siis_setup_interrupt(device_t dev) 262{ 263 struct siis_controller *ctlr = device_get_softc(dev); 264 int msi = ctlr->quirks & SIIS_Q_NOMSI ? 0 : 1; 265 266 /* Process hints. */ 267 resource_int_value(device_get_name(dev), 268 device_get_unit(dev), "msi", &msi); 269 if (msi < 0) 270 msi = 0; 271 else if (msi > 0) 272 msi = min(1, pci_msi_count(dev)); 273 /* Allocate MSI if needed/present. */ 274 if (msi && pci_alloc_msi(dev, &msi) != 0) 275 msi = 0; 276 /* Allocate all IRQs. */ 277 ctlr->irq.r_irq_rid = msi ? 1 : 0; 278 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 279 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 280 device_printf(dev, "unable to map interrupt\n"); 281 return ENXIO; 282 } 283 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 284 siis_intr, ctlr, &ctlr->irq.handle))) { 285 /* SOS XXX release r_irq */ 286 device_printf(dev, "unable to setup interrupt\n"); 287 return ENXIO; 288 } 289 return (0); 290} 291 292/* 293 * Common case interrupt handler. 294 */ 295static void 296siis_intr(void *data) 297{ 298 struct siis_controller *ctlr = (struct siis_controller *)data; 299 u_int32_t is; 300 void *arg; 301 int unit; 302 303 is = ATA_INL(ctlr->r_gmem, SIIS_IS); 304 for (unit = 0; unit < ctlr->channels; unit++) { 305 if ((is & SIIS_IS_PORT(unit)) != 0 && 306 (arg = ctlr->interrupt[unit].argument)) { 307 ctlr->interrupt[unit].function(arg); 308 } 309 } 310 /* Acknowledge interrupt, if MSI enabled. */ 311 if (ctlr->irq.r_irq_rid) { 312 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 313 ctlr->gctl | SIIS_GCTL_MSIACK); 314 } 315} 316 317static struct resource * 318siis_alloc_resource(device_t dev, device_t child, int type, int *rid, 319 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 320{ 321 struct siis_controller *ctlr = device_get_softc(dev); 322 int unit = ((struct siis_channel *)device_get_softc(child))->unit; 323 struct resource *res = NULL; 324 int offset = unit << 13; 325 rman_res_t st; 326 327 switch (type) { 328 case SYS_RES_MEMORY: 329 st = rman_get_start(ctlr->r_mem); 330 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 331 st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 332 if (res) { 333 bus_space_handle_t bsh; 334 bus_space_tag_t bst; 335 bsh = rman_get_bushandle(ctlr->r_mem); 336 bst = rman_get_bustag(ctlr->r_mem); 337 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 338 rman_set_bushandle(res, bsh); 339 rman_set_bustag(res, bst); 340 } 341 break; 342 case SYS_RES_IRQ: 343 if (*rid == ATA_IRQ_RID) 344 res = ctlr->irq.r_irq; 345 break; 346 } 347 return (res); 348} 349 350static int 351siis_release_resource(device_t dev, device_t child, int type, int rid, 352 struct resource *r) 353{ 354 355 switch (type) { 356 case SYS_RES_MEMORY: 357 rman_release_resource(r); 358 return (0); 359 case SYS_RES_IRQ: 360 if (rid != ATA_IRQ_RID) 361 return ENOENT; 362 return (0); 363 } 364 return (EINVAL); 365} 366 367static int 368siis_setup_intr(device_t dev, device_t child, struct resource *irq, 369 int flags, driver_filter_t *filter, driver_intr_t *function, 370 void *argument, void **cookiep) 371{ 372 struct siis_controller *ctlr = device_get_softc(dev); 373 int unit = (intptr_t)device_get_ivars(child); 374 375 if (filter != NULL) { 376 printf("siis.c: we cannot use a filter here\n"); 377 return (EINVAL); 378 } 379 ctlr->interrupt[unit].function = function; 380 ctlr->interrupt[unit].argument = argument; 381 return (0); 382} 383 384static int 385siis_teardown_intr(device_t dev, device_t child, struct resource *irq, 386 void *cookie) 387{ 388 struct siis_controller *ctlr = device_get_softc(dev); 389 int unit = (intptr_t)device_get_ivars(child); 390 391 ctlr->interrupt[unit].function = NULL; 392 ctlr->interrupt[unit].argument = NULL; 393 return (0); 394} 395 396static int 397siis_print_child(device_t dev, device_t child) 398{ 399 int retval; 400 401 retval = bus_print_child_header(dev, child); 402 retval += printf(" at channel %d", 403 (int)(intptr_t)device_get_ivars(child)); 404 retval += bus_print_child_footer(dev, child); 405 406 return (retval); 407} 408 409static int 410siis_child_location_str(device_t dev, device_t child, char *buf, 411 size_t buflen) 412{ 413 414 snprintf(buf, buflen, "channel=%d", 415 (int)(intptr_t)device_get_ivars(child)); 416 return (0); 417} 418 419static bus_dma_tag_t 420siis_get_dma_tag(device_t bus, device_t child) 421{ 422 423 return (bus_get_dma_tag(bus)); 424} 425 426devclass_t siis_devclass; 427static device_method_t siis_methods[] = { 428 DEVMETHOD(device_probe, siis_probe), 429 DEVMETHOD(device_attach, siis_attach), 430 DEVMETHOD(device_detach, siis_detach), 431 DEVMETHOD(device_suspend, siis_suspend), 432 DEVMETHOD(device_resume, siis_resume), 433 DEVMETHOD(bus_print_child, siis_print_child), 434 DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 435 DEVMETHOD(bus_release_resource, siis_release_resource), 436 DEVMETHOD(bus_setup_intr, siis_setup_intr), 437 DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 438 DEVMETHOD(bus_child_location_str, siis_child_location_str), 439 DEVMETHOD(bus_get_dma_tag, siis_get_dma_tag), 440 { 0, 0 } 441}; 442static driver_t siis_driver = { 443 "siis", 444 siis_methods, 445 sizeof(struct siis_controller) 446}; 447DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 448MODULE_VERSION(siis, 1); 449MODULE_DEPEND(siis, cam, 1, 1, 1); 450 451static int 452siis_ch_probe(device_t dev) 453{ 454 455 device_set_desc_copy(dev, "SIIS channel"); 456 return (BUS_PROBE_DEFAULT); 457} 458 459static int 460siis_ch_attach(device_t dev) 461{ 462 struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 463 struct siis_channel *ch = device_get_softc(dev); 464 struct cam_devq *devq; 465 int rid, error, i, sata_rev = 0; 466 467 ch->dev = dev; 468 ch->unit = (intptr_t)device_get_ivars(dev); 469 ch->quirks = ctlr->quirks; 470 ch->pm_level = 0; 471 resource_int_value(device_get_name(dev), 472 device_get_unit(dev), "pm_level", &ch->pm_level); 473 resource_int_value(device_get_name(dev), 474 device_get_unit(dev), "sata_rev", &sata_rev); 475 for (i = 0; i < 16; i++) { 476 ch->user[i].revision = sata_rev; 477 ch->user[i].mode = 0; 478 ch->user[i].bytecount = 8192; 479 ch->user[i].tags = SIIS_MAX_SLOTS; 480 ch->curr[i] = ch->user[i]; 481 if (ch->pm_level) 482 ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ; 483 ch->user[i].caps |= CTS_SATA_CAPS_H_AN; 484 } 485 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 486 rid = ch->unit; 487 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 488 &rid, RF_ACTIVE))) 489 return (ENXIO); 490 siis_dmainit(dev); 491 siis_slotsalloc(dev); 492 siis_ch_init(dev); 493 mtx_lock(&ch->mtx); 494 rid = ATA_IRQ_RID; 495 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 496 &rid, RF_SHAREABLE | RF_ACTIVE))) { 497 device_printf(dev, "Unable to map interrupt\n"); 498 error = ENXIO; 499 goto err0; 500 } 501 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 502 siis_ch_intr_locked, dev, &ch->ih))) { 503 device_printf(dev, "Unable to setup interrupt\n"); 504 error = ENXIO; 505 goto err1; 506 } 507 /* Create the device queue for our SIM. */ 508 devq = cam_simq_alloc(SIIS_MAX_SLOTS); 509 if (devq == NULL) { 510 device_printf(dev, "Unable to allocate simq\n"); 511 error = ENOMEM; 512 goto err1; 513 } 514 /* Construct SIM entry */ 515 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 516 device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 517 if (ch->sim == NULL) { 518 cam_simq_free(devq); 519 device_printf(dev, "unable to allocate sim\n"); 520 error = ENOMEM; 521 goto err1; 522 } 523 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 524 device_printf(dev, "unable to register xpt bus\n"); 525 error = ENXIO; 526 goto err2; 527 } 528 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 529 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 530 device_printf(dev, "unable to create path\n"); 531 error = ENXIO; 532 goto err3; 533 } 534 mtx_unlock(&ch->mtx); 535 ch->led = led_create(siis_ch_led, dev, device_get_nameunit(dev)); 536 return (0); 537 538err3: 539 xpt_bus_deregister(cam_sim_path(ch->sim)); 540err2: 541 cam_sim_free(ch->sim, /*free_devq*/TRUE); 542err1: 543 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 544err0: 545 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 546 mtx_unlock(&ch->mtx); 547 mtx_destroy(&ch->mtx); 548 return (error); 549} 550 551static int 552siis_ch_detach(device_t dev) 553{ 554 struct siis_channel *ch = device_get_softc(dev); 555 556 led_destroy(ch->led); 557 mtx_lock(&ch->mtx); 558 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 559 xpt_free_path(ch->path); 560 xpt_bus_deregister(cam_sim_path(ch->sim)); 561 cam_sim_free(ch->sim, /*free_devq*/TRUE); 562 mtx_unlock(&ch->mtx); 563 564 bus_teardown_intr(dev, ch->r_irq, ch->ih); 565 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 566 567 siis_ch_deinit(dev); 568 siis_slotsfree(dev); 569 siis_dmafini(dev); 570 571 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 572 mtx_destroy(&ch->mtx); 573 return (0); 574} 575 576static int 577siis_ch_init(device_t dev) 578{ 579 struct siis_channel *ch = device_get_softc(dev); 580 581 /* Get port out of reset state. */ 582 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 583 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 584 if (ch->pm_present) 585 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 586 else 587 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 588 /* Enable port interrupts */ 589 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 590 return (0); 591} 592 593static int 594siis_ch_deinit(device_t dev) 595{ 596 struct siis_channel *ch = device_get_softc(dev); 597 598 /* Put port into reset state. */ 599 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 600 return (0); 601} 602 603static int 604siis_ch_suspend(device_t dev) 605{ 606 struct siis_channel *ch = device_get_softc(dev); 607 608 mtx_lock(&ch->mtx); 609 xpt_freeze_simq(ch->sim, 1); 610 while (ch->oslots) 611 msleep(ch, &ch->mtx, PRIBIO, "siissusp", hz/100); 612 siis_ch_deinit(dev); 613 mtx_unlock(&ch->mtx); 614 return (0); 615} 616 617static int 618siis_ch_resume(device_t dev) 619{ 620 struct siis_channel *ch = device_get_softc(dev); 621 622 mtx_lock(&ch->mtx); 623 siis_ch_init(dev); 624 siis_reset(dev); 625 xpt_release_simq(ch->sim, TRUE); 626 mtx_unlock(&ch->mtx); 627 return (0); 628} 629 630devclass_t siisch_devclass; 631static device_method_t siisch_methods[] = { 632 DEVMETHOD(device_probe, siis_ch_probe), 633 DEVMETHOD(device_attach, siis_ch_attach), 634 DEVMETHOD(device_detach, siis_ch_detach), 635 DEVMETHOD(device_suspend, siis_ch_suspend), 636 DEVMETHOD(device_resume, siis_ch_resume), 637 { 0, 0 } 638}; 639static driver_t siisch_driver = { 640 "siisch", 641 siisch_methods, 642 sizeof(struct siis_channel) 643}; 644DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 645 646static void 647siis_ch_led(void *priv, int onoff) 648{ 649 device_t dev; 650 struct siis_channel *ch; 651 652 dev = (device_t)priv; 653 ch = device_get_softc(dev); 654 655 if (onoff == 0) 656 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_LED_ON); 657 else 658 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_LED_ON); 659} 660 661struct siis_dc_cb_args { 662 bus_addr_t maddr; 663 int error; 664}; 665 666static void 667siis_dmainit(device_t dev) 668{ 669 struct siis_channel *ch = device_get_softc(dev); 670 struct siis_dc_cb_args dcba; 671 672 /* Command area. */ 673 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 674 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 675 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 676 0, NULL, NULL, &ch->dma.work_tag)) 677 goto error; 678 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 679 &ch->dma.work_map)) 680 goto error; 681 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 682 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 683 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 684 goto error; 685 } 686 ch->dma.work_bus = dcba.maddr; 687 /* Data area. */ 688 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 689 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 690 NULL, NULL, 691 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 692 SIIS_SG_ENTRIES, 0xFFFFFFFF, 693 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 694 goto error; 695 } 696 return; 697 698error: 699 device_printf(dev, "WARNING - DMA initialization failed\n"); 700 siis_dmafini(dev); 701} 702 703static void 704siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 705{ 706 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 707 708 if (!(dcba->error = error)) 709 dcba->maddr = segs[0].ds_addr; 710} 711 712static void 713siis_dmafini(device_t dev) 714{ 715 struct siis_channel *ch = device_get_softc(dev); 716 717 if (ch->dma.data_tag) { 718 bus_dma_tag_destroy(ch->dma.data_tag); 719 ch->dma.data_tag = NULL; 720 } 721 if (ch->dma.work_bus) { 722 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 723 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 724 ch->dma.work_bus = 0; 725 ch->dma.work_map = NULL; 726 ch->dma.work = NULL; 727 } 728 if (ch->dma.work_tag) { 729 bus_dma_tag_destroy(ch->dma.work_tag); 730 ch->dma.work_tag = NULL; 731 } 732} 733 734static void 735siis_slotsalloc(device_t dev) 736{ 737 struct siis_channel *ch = device_get_softc(dev); 738 int i; 739 740 /* Alloc and setup command/dma slots */ 741 bzero(ch->slot, sizeof(ch->slot)); 742 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 743 struct siis_slot *slot = &ch->slot[i]; 744 745 slot->dev = dev; 746 slot->slot = i; 747 slot->state = SIIS_SLOT_EMPTY; 748 slot->ccb = NULL; 749 callout_init_mtx(&slot->timeout, &ch->mtx, 0); 750 751 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 752 device_printf(ch->dev, "FAILURE - create data_map\n"); 753 } 754} 755 756static void 757siis_slotsfree(device_t dev) 758{ 759 struct siis_channel *ch = device_get_softc(dev); 760 int i; 761 762 /* Free all dma slots */ 763 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 764 struct siis_slot *slot = &ch->slot[i]; 765 766 callout_drain(&slot->timeout); 767 if (slot->dma.data_map) { 768 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 769 slot->dma.data_map = NULL; 770 } 771 } 772} 773 774static void 775siis_notify_events(device_t dev) 776{ 777 struct siis_channel *ch = device_get_softc(dev); 778 struct cam_path *dpath; 779 u_int32_t status; 780 int i; 781 782 if (ch->quirks & SIIS_Q_SNTF) { 783 status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 784 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 785 } else { 786 /* 787 * Without SNTF we have no idea which device sent notification. 788 * If PMP is connected, assume it, else - device. 789 */ 790 status = (ch->pm_present) ? 0x8000 : 0x0001; 791 } 792 if (bootverbose) 793 device_printf(dev, "SNTF 0x%04x\n", status); 794 for (i = 0; i < 16; i++) { 795 if ((status & (1 << i)) == 0) 796 continue; 797 if (xpt_create_path(&dpath, NULL, 798 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 799 xpt_async(AC_SCSI_AEN, dpath, NULL); 800 xpt_free_path(dpath); 801 } 802 } 803 804} 805 806static void 807siis_phy_check_events(device_t dev) 808{ 809 struct siis_channel *ch = device_get_softc(dev); 810 811 /* If we have a connection event, deal with it */ 812 if (ch->pm_level == 0) { 813 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 814 union ccb *ccb; 815 816 if (bootverbose) { 817 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 818 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 819 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 820 device_printf(dev, "CONNECT requested\n"); 821 } else 822 device_printf(dev, "DISCONNECT requested\n"); 823 } 824 siis_reset(dev); 825 if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 826 return; 827 if (xpt_create_path(&ccb->ccb_h.path, NULL, 828 cam_sim_path(ch->sim), 829 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 830 xpt_free_ccb(ccb); 831 return; 832 } 833 xpt_rescan(ccb); 834 } 835} 836 837static void 838siis_ch_intr_locked(void *data) 839{ 840 device_t dev = (device_t)data; 841 struct siis_channel *ch = device_get_softc(dev); 842 843 mtx_lock(&ch->mtx); 844 siis_ch_intr(data); 845 mtx_unlock(&ch->mtx); 846} 847 848static void 849siis_ch_intr(void *data) 850{ 851 device_t dev = (device_t)data; 852 struct siis_channel *ch = device_get_softc(dev); 853 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 854 enum siis_err_type et; 855 int i, ccs, port, tslots; 856 857 mtx_assert(&ch->mtx, MA_OWNED); 858 /* Read command statuses. */ 859 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 860 ok = ch->rslots & ~sstatus; 861 /* Complete all successful commands. */ 862 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 863 if ((ok >> i) & 1) 864 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 865 } 866 /* Do we have any other events? */ 867 if ((sstatus & SIIS_P_SS_ATTN) == 0) 868 return; 869 /* Read and clear interrupt statuses. */ 870 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 871 (0xFFFF & ~SIIS_P_IX_COMMCOMP); 872 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 873 /* Process PHY events */ 874 if (istatus & SIIS_P_IX_PHYRDYCHG) 875 siis_phy_check_events(dev); 876 /* Process NOTIFY events */ 877 if (istatus & SIIS_P_IX_SDBN) 878 siis_notify_events(dev); 879 /* Process command errors */ 880 if (istatus & SIIS_P_IX_COMMERR) { 881 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 882 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 883 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 884 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 885 err = ch->rslots & sstatus; 886//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 887// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 888// ATA_INL(ch->r_mem, SIIS_P_SERR)); 889 890 if (!ch->recoverycmd && !ch->recovery) { 891 xpt_freeze_simq(ch->sim, ch->numrslots); 892 ch->recovery = 1; 893 } 894 if (ch->frozen) { 895 union ccb *fccb = ch->frozen; 896 ch->frozen = NULL; 897 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 898 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 899 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 900 xpt_freeze_devq(fccb->ccb_h.path, 1); 901 fccb->ccb_h.status |= CAM_DEV_QFRZN; 902 } 903 xpt_done(fccb); 904 } 905 if (estatus == SIIS_P_CMDERR_DEV || 906 estatus == SIIS_P_CMDERR_SDB || 907 estatus == SIIS_P_CMDERR_DATAFIS) { 908 tslots = ch->numtslots[port]; 909 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 910 /* XXX: requests in loading state. */ 911 if (((ch->rslots >> i) & 1) == 0) 912 continue; 913 if (ch->slot[i].ccb->ccb_h.target_id != port) 914 continue; 915 if (tslots == 0) { 916 /* Untagged operation. */ 917 if (i == ccs) 918 et = SIIS_ERR_TFE; 919 else 920 et = SIIS_ERR_INNOCENT; 921 } else { 922 /* Tagged operation. */ 923 et = SIIS_ERR_NCQ; 924 } 925 siis_end_transaction(&ch->slot[i], et); 926 } 927 /* 928 * We can't reinit port if there are some other 929 * commands active, use resume to complete them. 930 */ 931 if (ch->rslots != 0 && !ch->recoverycmd) 932 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 933 } else { 934 if (estatus == SIIS_P_CMDERR_SENDFIS || 935 estatus == SIIS_P_CMDERR_INCSTATE || 936 estatus == SIIS_P_CMDERR_PPE || 937 estatus == SIIS_P_CMDERR_SERVICE) { 938 et = SIIS_ERR_SATA; 939 } else 940 et = SIIS_ERR_INVALID; 941 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 942 /* XXX: requests in loading state. */ 943 if (((ch->rslots >> i) & 1) == 0) 944 continue; 945 siis_end_transaction(&ch->slot[i], et); 946 } 947 } 948 } 949} 950 951/* Must be called with channel locked. */ 952static int 953siis_check_collision(device_t dev, union ccb *ccb) 954{ 955 struct siis_channel *ch = device_get_softc(dev); 956 957 mtx_assert(&ch->mtx, MA_OWNED); 958 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 959 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 960 /* Tagged command while we have no supported tag free. */ 961 if (((~ch->oslots) & (0x7fffffff >> (31 - 962 ch->curr[ccb->ccb_h.target_id].tags))) == 0) 963 return (1); 964 } 965 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 966 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 967 /* Atomic command while anything active. */ 968 if (ch->numrslots != 0) 969 return (1); 970 } 971 /* We have some atomic command running. */ 972 if (ch->aslots != 0) 973 return (1); 974 return (0); 975} 976 977/* Must be called with channel locked. */ 978static void 979siis_begin_transaction(device_t dev, union ccb *ccb) 980{ 981 struct siis_channel *ch = device_get_softc(dev); 982 struct siis_slot *slot; 983 int tag, tags; 984 985 mtx_assert(&ch->mtx, MA_OWNED); 986 /* Choose empty slot. */ 987 tags = SIIS_MAX_SLOTS; 988 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 989 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 990 tags = ch->curr[ccb->ccb_h.target_id].tags; 991 tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 992 /* Occupy chosen slot. */ 993 slot = &ch->slot[tag]; 994 slot->ccb = ccb; 995 /* Update channel stats. */ 996 ch->oslots |= (1 << slot->slot); 997 ch->numrslots++; 998 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 999 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1000 ch->numtslots[ccb->ccb_h.target_id]++; 1001 } 1002 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1003 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 1004 ch->aslots |= (1 << slot->slot); 1005 slot->dma.nsegs = 0; 1006 /* If request moves data, setup and load SG list */ 1007 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1008 slot->state = SIIS_SLOT_LOADING; 1009 bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map, 1010 ccb, siis_dmasetprd, slot, 0); 1011 } else 1012 siis_execute_transaction(slot); 1013} 1014 1015/* Locked by busdma engine. */ 1016static void 1017siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1018{ 1019 struct siis_slot *slot = arg; 1020 struct siis_channel *ch = device_get_softc(slot->dev); 1021 struct siis_cmd *ctp; 1022 struct siis_dma_prd *prd; 1023 int i; 1024 1025 mtx_assert(&ch->mtx, MA_OWNED); 1026 if (error) { 1027 device_printf(slot->dev, "DMA load error\n"); 1028 if (!ch->recoverycmd) 1029 xpt_freeze_simq(ch->sim, 1); 1030 siis_end_transaction(slot, SIIS_ERR_INVALID); 1031 return; 1032 } 1033 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 1034 slot->dma.nsegs = nsegs; 1035 if (nsegs != 0) { 1036 /* Get a piece of the workspace for this request */ 1037 ctp = (struct siis_cmd *)(ch->dma.work + SIIS_CT_OFFSET + 1038 (SIIS_CT_SIZE * slot->slot)); 1039 /* Fill S/G table */ 1040 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 1041 prd = &ctp->u.ata.prd[0]; 1042 else 1043 prd = &ctp->u.atapi.prd[0]; 1044 for (i = 0; i < nsegs; i++) { 1045 prd[i].dba = htole64(segs[i].ds_addr); 1046 prd[i].dbc = htole32(segs[i].ds_len); 1047 prd[i].control = 0; 1048 } 1049 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 1050 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1051 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 1052 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 1053 } 1054 siis_execute_transaction(slot); 1055} 1056 1057/* Must be called with channel locked. */ 1058static void 1059siis_execute_transaction(struct siis_slot *slot) 1060{ 1061 device_t dev = slot->dev; 1062 struct siis_channel *ch = device_get_softc(dev); 1063 struct siis_cmd *ctp; 1064 union ccb *ccb = slot->ccb; 1065 u_int64_t prb_bus; 1066 1067 mtx_assert(&ch->mtx, MA_OWNED); 1068 /* Get a piece of the workspace for this request */ 1069 ctp = (struct siis_cmd *) 1070 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 1071 ctp->control = 0; 1072 ctp->protocol_override = 0; 1073 ctp->transfer_count = 0; 1074 /* Special handling for Soft Reset command. */ 1075 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1076 if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) { 1077 ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 1078 } else { 1079 ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE); 1080 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1081 ctp->protocol_override |= 1082 htole16(SIIS_PRB_PROTO_NCQ); 1083 } 1084 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1085 ctp->protocol_override |= 1086 htole16(SIIS_PRB_PROTO_READ); 1087 } else 1088 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1089 ctp->protocol_override |= 1090 htole16(SIIS_PRB_PROTO_WRITE); 1091 } 1092 } 1093 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1094 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1095 ctp->control |= htole16(SIIS_PRB_PACKET_READ); 1096 else 1097 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1098 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 1099 } 1100 /* Special handling for Soft Reset command. */ 1101 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1102 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1103 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1104 /* Kick controller into sane state */ 1105 siis_portinit(dev); 1106 } 1107 /* Setup the FIS for this request */ 1108 if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1109 device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1110 if (!ch->recoverycmd) 1111 xpt_freeze_simq(ch->sim, 1); 1112 siis_end_transaction(slot, SIIS_ERR_INVALID); 1113 return; 1114 } 1115 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1116 BUS_DMASYNC_PREWRITE); 1117 /* Issue command to the controller. */ 1118 slot->state = SIIS_SLOT_RUNNING; 1119 ch->rslots |= (1 << slot->slot); 1120 prb_bus = ch->dma.work_bus + 1121 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 1122 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1123 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1124 /* Start command execution timeout */ 1125 callout_reset_sbt(&slot->timeout, SBT_1MS * ccb->ccb_h.timeout, 0, 1126 (timeout_t*)siis_timeout, slot, 0); 1127 return; 1128} 1129 1130/* Must be called with channel locked. */ 1131static void 1132siis_process_timeout(device_t dev) 1133{ 1134 struct siis_channel *ch = device_get_softc(dev); 1135 int i; 1136 1137 mtx_assert(&ch->mtx, MA_OWNED); 1138 if (!ch->recoverycmd && !ch->recovery) { 1139 xpt_freeze_simq(ch->sim, ch->numrslots); 1140 ch->recovery = 1; 1141 } 1142 /* Handle the rest of commands. */ 1143 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1144 /* Do we have a running request on slot? */ 1145 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1146 continue; 1147 siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1148 } 1149} 1150 1151/* Must be called with channel locked. */ 1152static void 1153siis_rearm_timeout(device_t dev) 1154{ 1155 struct siis_channel *ch = device_get_softc(dev); 1156 int i; 1157 1158 mtx_assert(&ch->mtx, MA_OWNED); 1159 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1160 struct siis_slot *slot = &ch->slot[i]; 1161 1162 /* Do we have a running request on slot? */ 1163 if (slot->state < SIIS_SLOT_RUNNING) 1164 continue; 1165 if ((ch->toslots & (1 << i)) == 0) 1166 continue; 1167 callout_reset_sbt(&slot->timeout, 1168 SBT_1MS * slot->ccb->ccb_h.timeout, 0, 1169 (timeout_t*)siis_timeout, slot, 0); 1170 } 1171} 1172 1173/* Locked by callout mechanism. */ 1174static void 1175siis_timeout(struct siis_slot *slot) 1176{ 1177 device_t dev = slot->dev; 1178 struct siis_channel *ch = device_get_softc(dev); 1179 union ccb *ccb = slot->ccb; 1180 1181 mtx_assert(&ch->mtx, MA_OWNED); 1182 /* Check for stale timeout. */ 1183 if (slot->state < SIIS_SLOT_RUNNING) 1184 return; 1185 1186 /* Handle soft-reset timeouts without doing hard-reset. */ 1187 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1188 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1189 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1190 xpt_freeze_simq(ch->sim, ch->numrslots); 1191 siis_end_transaction(slot, SIIS_ERR_TFE); 1192 return; 1193 } 1194 1195 device_printf(dev, "Timeout on slot %d\n", slot->slot); 1196 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1197 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), 1198 ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1199 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1200 ATA_INL(ch->r_mem, SIIS_P_SERR)); 1201 1202 if (ch->toslots == 0) 1203 xpt_freeze_simq(ch->sim, 1); 1204 ch->toslots |= (1 << slot->slot); 1205 if ((ch->rslots & ~ch->toslots) == 0) 1206 siis_process_timeout(dev); 1207 else 1208 device_printf(dev, " ... waiting for slots %08x\n", 1209 ch->rslots & ~ch->toslots); 1210} 1211 1212/* Must be called with channel locked. */ 1213static void 1214siis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1215{ 1216 device_t dev = slot->dev; 1217 struct siis_channel *ch = device_get_softc(dev); 1218 union ccb *ccb = slot->ccb; 1219 int lastto; 1220 1221 mtx_assert(&ch->mtx, MA_OWNED); 1222 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1223 BUS_DMASYNC_POSTWRITE); 1224 /* Read result registers to the result struct 1225 * May be incorrect if several commands finished same time, 1226 * so read only when sure or have to. 1227 */ 1228 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1229 struct ata_res *res = &ccb->ataio.res; 1230 if ((et == SIIS_ERR_TFE) || 1231 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1232 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1233 1234 res->status = ATA_INB(ch->r_mem, offs + 2); 1235 res->error = ATA_INB(ch->r_mem, offs + 3); 1236 res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1237 res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1238 res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1239 res->device = ATA_INB(ch->r_mem, offs + 7); 1240 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1241 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1242 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1243 res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1244 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1245 } else 1246 bzero(res, sizeof(*res)); 1247 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1248 ch->numrslots == 1) { 1249 ccb->ataio.resid = ccb->ataio.dxfer_len - 1250 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1251 } 1252 } else { 1253 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1254 ch->numrslots == 1) { 1255 ccb->csio.resid = ccb->csio.dxfer_len - 1256 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1257 } 1258 } 1259 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1260 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1261 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1262 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1263 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1264 } 1265 /* Set proper result status. */ 1266 if (et != SIIS_ERR_NONE || ch->recovery) { 1267 ch->eslots |= (1 << slot->slot); 1268 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1269 } 1270 /* In case of error, freeze device for proper recovery. */ 1271 if (et != SIIS_ERR_NONE && (!ch->recoverycmd) && 1272 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1273 xpt_freeze_devq(ccb->ccb_h.path, 1); 1274 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1275 } 1276 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1277 switch (et) { 1278 case SIIS_ERR_NONE: 1279 ccb->ccb_h.status |= CAM_REQ_CMP; 1280 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1281 ccb->csio.scsi_status = SCSI_STATUS_OK; 1282 break; 1283 case SIIS_ERR_INVALID: 1284 ch->fatalerr = 1; 1285 ccb->ccb_h.status |= CAM_REQ_INVALID; 1286 break; 1287 case SIIS_ERR_INNOCENT: 1288 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1289 break; 1290 case SIIS_ERR_TFE: 1291 case SIIS_ERR_NCQ: 1292 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1293 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1294 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1295 } else { 1296 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1297 } 1298 break; 1299 case SIIS_ERR_SATA: 1300 ch->fatalerr = 1; 1301 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1302 break; 1303 case SIIS_ERR_TIMEOUT: 1304 ch->fatalerr = 1; 1305 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1306 break; 1307 default: 1308 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1309 } 1310 /* Free slot. */ 1311 ch->oslots &= ~(1 << slot->slot); 1312 ch->rslots &= ~(1 << slot->slot); 1313 ch->aslots &= ~(1 << slot->slot); 1314 slot->state = SIIS_SLOT_EMPTY; 1315 slot->ccb = NULL; 1316 /* Update channel stats. */ 1317 ch->numrslots--; 1318 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1319 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1320 ch->numtslots[ccb->ccb_h.target_id]--; 1321 } 1322 /* Cancel timeout state if request completed normally. */ 1323 if (et != SIIS_ERR_TIMEOUT) { 1324 lastto = (ch->toslots == (1 << slot->slot)); 1325 ch->toslots &= ~(1 << slot->slot); 1326 if (lastto) 1327 xpt_release_simq(ch->sim, TRUE); 1328 } 1329 /* If it was our READ LOG command - process it. */ 1330 if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) { 1331 siis_process_read_log(dev, ccb); 1332 /* If it was our REQUEST SENSE command - process it. */ 1333 } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) { 1334 siis_process_request_sense(dev, ccb); 1335 /* If it was NCQ or ATAPI command error, put result on hold. */ 1336 } else if (et == SIIS_ERR_NCQ || 1337 ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1338 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) { 1339 ch->hold[slot->slot] = ccb; 1340 ch->numhslots++; 1341 } else 1342 xpt_done(ccb); 1343 /* If we have no other active commands, ... */ 1344 if (ch->rslots == 0) { 1345 /* if there were timeouts or fatal error - reset port. */ 1346 if (ch->toslots != 0 || ch->fatalerr) { 1347 siis_reset(dev); 1348 } else { 1349 /* if we have slots in error, we can reinit port. */ 1350 if (ch->eslots != 0) 1351 siis_portinit(dev); 1352 /* if there commands on hold, we can do recovery. */ 1353 if (!ch->recoverycmd && ch->numhslots) 1354 siis_issue_recovery(dev); 1355 } 1356 /* If all the reset of commands are in timeout - abort them. */ 1357 } else if ((ch->rslots & ~ch->toslots) == 0 && 1358 et != SIIS_ERR_TIMEOUT) 1359 siis_rearm_timeout(dev); 1360 /* Unfreeze frozen command. */ 1361 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1362 union ccb *fccb = ch->frozen; 1363 ch->frozen = NULL; 1364 siis_begin_transaction(dev, fccb); 1365 xpt_release_simq(ch->sim, TRUE); 1366 } 1367} 1368 1369static void 1370siis_issue_recovery(device_t dev) 1371{ 1372 struct siis_channel *ch = device_get_softc(dev); 1373 union ccb *ccb; 1374 struct ccb_ataio *ataio; 1375 struct ccb_scsiio *csio; 1376 int i; 1377 1378 /* Find some held command. */ 1379 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1380 if (ch->hold[i]) 1381 break; 1382 } 1383 if (i == SIIS_MAX_SLOTS) 1384 return; 1385 ccb = xpt_alloc_ccb_nowait(); 1386 if (ccb == NULL) { 1387 device_printf(dev, "Unable to allocate recovery command\n"); 1388completeall: 1389 /* We can't do anything -- complete held commands. */ 1390 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1391 if (ch->hold[i] == NULL) 1392 continue; 1393 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1394 ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL; 1395 xpt_done(ch->hold[i]); 1396 ch->hold[i] = NULL; 1397 ch->numhslots--; 1398 } 1399 siis_reset(dev); 1400 return; 1401 } 1402 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1403 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1404 /* READ LOG */ 1405 ccb->ccb_h.recovery_type = RECOVERY_READ_LOG; 1406 ccb->ccb_h.func_code = XPT_ATA_IO; 1407 ccb->ccb_h.flags = CAM_DIR_IN; 1408 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1409 ataio = &ccb->ataio; 1410 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1411 if (ataio->data_ptr == NULL) { 1412 xpt_free_ccb(ccb); 1413 device_printf(dev, 1414 "Unable to allocate memory for READ LOG command\n"); 1415 goto completeall; 1416 } 1417 ataio->dxfer_len = 512; 1418 bzero(&ataio->cmd, sizeof(ataio->cmd)); 1419 ataio->cmd.flags = CAM_ATAIO_48BIT; 1420 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1421 ataio->cmd.sector_count = 1; 1422 ataio->cmd.sector_count_exp = 0; 1423 ataio->cmd.lba_low = 0x10; 1424 ataio->cmd.lba_mid = 0; 1425 ataio->cmd.lba_mid_exp = 0; 1426 } else { 1427 /* REQUEST SENSE */ 1428 ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE; 1429 ccb->ccb_h.recovery_slot = i; 1430 ccb->ccb_h.func_code = XPT_SCSI_IO; 1431 ccb->ccb_h.flags = CAM_DIR_IN; 1432 ccb->ccb_h.status = 0; 1433 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1434 csio = &ccb->csio; 1435 csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data; 1436 csio->dxfer_len = ch->hold[i]->csio.sense_len; 1437 csio->cdb_len = 6; 1438 bzero(&csio->cdb_io, sizeof(csio->cdb_io)); 1439 csio->cdb_io.cdb_bytes[0] = 0x03; 1440 csio->cdb_io.cdb_bytes[4] = csio->dxfer_len; 1441 } 1442 ch->recoverycmd = 1; 1443 siis_begin_transaction(dev, ccb); 1444} 1445 1446static void 1447siis_process_read_log(device_t dev, union ccb *ccb) 1448{ 1449 struct siis_channel *ch = device_get_softc(dev); 1450 uint8_t *data; 1451 struct ata_res *res; 1452 int i; 1453 1454 ch->recoverycmd = 0; 1455 data = ccb->ataio.data_ptr; 1456 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1457 (data[0] & 0x80) == 0) { 1458 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1459 if (!ch->hold[i]) 1460 continue; 1461 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1462 continue; 1463 if ((data[0] & 0x1F) == i) { 1464 res = &ch->hold[i]->ataio.res; 1465 res->status = data[2]; 1466 res->error = data[3]; 1467 res->lba_low = data[4]; 1468 res->lba_mid = data[5]; 1469 res->lba_high = data[6]; 1470 res->device = data[7]; 1471 res->lba_low_exp = data[8]; 1472 res->lba_mid_exp = data[9]; 1473 res->lba_high_exp = data[10]; 1474 res->sector_count = data[12]; 1475 res->sector_count_exp = data[13]; 1476 } else { 1477 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1478 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1479 } 1480 xpt_done(ch->hold[i]); 1481 ch->hold[i] = NULL; 1482 ch->numhslots--; 1483 } 1484 } else { 1485 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1486 device_printf(dev, "Error while READ LOG EXT\n"); 1487 else if ((data[0] & 0x80) == 0) { 1488 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1489 } 1490 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1491 if (!ch->hold[i]) 1492 continue; 1493 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1494 continue; 1495 xpt_done(ch->hold[i]); 1496 ch->hold[i] = NULL; 1497 ch->numhslots--; 1498 } 1499 } 1500 free(ccb->ataio.data_ptr, M_SIIS); 1501 xpt_free_ccb(ccb); 1502} 1503 1504static void 1505siis_process_request_sense(device_t dev, union ccb *ccb) 1506{ 1507 struct siis_channel *ch = device_get_softc(dev); 1508 int i; 1509 1510 ch->recoverycmd = 0; 1511 1512 i = ccb->ccb_h.recovery_slot; 1513 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1514 ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID; 1515 } else { 1516 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1517 ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1518 } 1519 xpt_done(ch->hold[i]); 1520 ch->hold[i] = NULL; 1521 ch->numhslots--; 1522 xpt_free_ccb(ccb); 1523} 1524 1525static void 1526siis_portinit(device_t dev) 1527{ 1528 struct siis_channel *ch = device_get_softc(dev); 1529 int i; 1530 1531 ch->eslots = 0; 1532 ch->recovery = 0; 1533 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1534 for (i = 0; i < 16; i++) { 1535 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1536 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1537 } 1538 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1539 siis_wait_ready(dev, 1000); 1540} 1541 1542static int 1543siis_devreset(device_t dev) 1544{ 1545 struct siis_channel *ch = device_get_softc(dev); 1546 int timeout = 0; 1547 uint32_t val; 1548 1549 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1550 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1551 SIIS_P_CTL_DEV_RESET) != 0) { 1552 DELAY(100); 1553 if (timeout++ > 1000) { 1554 device_printf(dev, "device reset stuck " 1555 "(timeout 100ms) status = %08x\n", val); 1556 return (EBUSY); 1557 } 1558 } 1559 return (0); 1560} 1561 1562static int 1563siis_wait_ready(device_t dev, int t) 1564{ 1565 struct siis_channel *ch = device_get_softc(dev); 1566 int timeout = 0; 1567 uint32_t val; 1568 1569 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1570 SIIS_P_CTL_READY) == 0) { 1571 DELAY(1000); 1572 if (timeout++ > t) { 1573 device_printf(dev, "port is not ready (timeout %dms) " 1574 "status = %08x\n", t, val); 1575 return (EBUSY); 1576 } 1577 } 1578 return (0); 1579} 1580 1581static void 1582siis_reset(device_t dev) 1583{ 1584 struct siis_channel *ch = device_get_softc(dev); 1585 int i, retry = 0, sata_rev; 1586 uint32_t val; 1587 1588 xpt_freeze_simq(ch->sim, 1); 1589 if (bootverbose) 1590 device_printf(dev, "SIIS reset...\n"); 1591 if (!ch->recoverycmd && !ch->recovery) 1592 xpt_freeze_simq(ch->sim, ch->numrslots); 1593 /* Requeue frozen command. */ 1594 if (ch->frozen) { 1595 union ccb *fccb = ch->frozen; 1596 ch->frozen = NULL; 1597 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1598 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1599 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1600 xpt_freeze_devq(fccb->ccb_h.path, 1); 1601 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1602 } 1603 xpt_done(fccb); 1604 } 1605 /* Requeue all running commands. */ 1606 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1607 /* Do we have a running request on slot? */ 1608 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1609 continue; 1610 /* XXX; Commands in loading state. */ 1611 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1612 } 1613 /* Finish all held commands as-is. */ 1614 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1615 if (!ch->hold[i]) 1616 continue; 1617 xpt_done(ch->hold[i]); 1618 ch->hold[i] = NULL; 1619 ch->numhslots--; 1620 } 1621 if (ch->toslots != 0) 1622 xpt_release_simq(ch->sim, TRUE); 1623 ch->eslots = 0; 1624 ch->recovery = 0; 1625 ch->toslots = 0; 1626 ch->fatalerr = 0; 1627 /* Disable port interrupts */ 1628 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1629 /* Set speed limit. */ 1630 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1631 if (sata_rev == 1) 1632 val = ATA_SC_SPD_SPEED_GEN1; 1633 else if (sata_rev == 2) 1634 val = ATA_SC_SPD_SPEED_GEN2; 1635 else if (sata_rev == 3) 1636 val = ATA_SC_SPD_SPEED_GEN3; 1637 else 1638 val = 0; 1639 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1640 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1641 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1642retry: 1643 siis_devreset(dev); 1644 /* Reset and reconnect PHY, */ 1645 if (!siis_sata_connect(ch)) { 1646 ch->devices = 0; 1647 /* Enable port interrupts */ 1648 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1649 if (bootverbose) 1650 device_printf(dev, 1651 "SIIS reset done: phy reset found no device\n"); 1652 /* Tell the XPT about the event */ 1653 xpt_async(AC_BUS_RESET, ch->path, NULL); 1654 xpt_release_simq(ch->sim, TRUE); 1655 return; 1656 } 1657 /* Wait for port ready status. */ 1658 if (siis_wait_ready(dev, 1000)) { 1659 device_printf(dev, "port ready timeout\n"); 1660 if (!retry) { 1661 device_printf(dev, "trying full port reset ...\n"); 1662 /* Get port to the reset state. */ 1663 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1664 DELAY(10000); 1665 /* Get port out of reset state. */ 1666 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1667 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1668 if (ch->pm_present) 1669 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1670 else 1671 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1672 siis_wait_ready(dev, 5000); 1673 retry = 1; 1674 goto retry; 1675 } 1676 } 1677 ch->devices = 1; 1678 /* Enable port interrupts */ 1679 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1680 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1681 if (bootverbose) 1682 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1683 /* Tell the XPT about the event */ 1684 xpt_async(AC_BUS_RESET, ch->path, NULL); 1685 xpt_release_simq(ch->sim, TRUE); 1686} 1687 1688static int 1689siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1690{ 1691 struct siis_channel *ch = device_get_softc(dev); 1692 u_int8_t *fis = &ctp->fis[0]; 1693 1694 bzero(fis, 24); 1695 fis[0] = 0x27; /* host to device */ 1696 fis[1] = (ccb->ccb_h.target_id & 0x0f); 1697 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1698 fis[1] |= 0x80; 1699 fis[2] = ATA_PACKET_CMD; 1700 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1701 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1702 fis[3] = ATA_F_DMA; 1703 else { 1704 fis[5] = ccb->csio.dxfer_len; 1705 fis[6] = ccb->csio.dxfer_len >> 8; 1706 } 1707 fis[7] = ATA_D_LBA; 1708 fis[15] = ATA_A_4BIT; 1709 bzero(ctp->u.atapi.ccb, 16); 1710 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1711 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1712 ctp->u.atapi.ccb, ccb->csio.cdb_len); 1713 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1714 fis[1] |= 0x80; 1715 fis[2] = ccb->ataio.cmd.command; 1716 fis[3] = ccb->ataio.cmd.features; 1717 fis[4] = ccb->ataio.cmd.lba_low; 1718 fis[5] = ccb->ataio.cmd.lba_mid; 1719 fis[6] = ccb->ataio.cmd.lba_high; 1720 fis[7] = ccb->ataio.cmd.device; 1721 fis[8] = ccb->ataio.cmd.lba_low_exp; 1722 fis[9] = ccb->ataio.cmd.lba_mid_exp; 1723 fis[10] = ccb->ataio.cmd.lba_high_exp; 1724 fis[11] = ccb->ataio.cmd.features_exp; 1725 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1726 fis[12] = tag << 3; 1727 fis[13] = 0; 1728 } else { 1729 fis[12] = ccb->ataio.cmd.sector_count; 1730 fis[13] = ccb->ataio.cmd.sector_count_exp; 1731 } 1732 fis[15] = ATA_A_4BIT; 1733 if (ccb->ataio.ata_flags & ATA_FLAG_AUX) { 1734 fis[16] = ccb->ataio.aux & 0xff; 1735 fis[17] = (ccb->ataio.aux >> 8) & 0xff; 1736 fis[18] = (ccb->ataio.aux >> 16) & 0xff; 1737 fis[19] = (ccb->ataio.aux >> 24) & 0xff; 1738 } 1739 } else { 1740 /* Soft reset. */ 1741 } 1742 return (20); 1743} 1744 1745static int 1746siis_sata_connect(struct siis_channel *ch) 1747{ 1748 u_int32_t status; 1749 int timeout, found = 0; 1750 1751 /* Wait up to 100ms for "connect well" */ 1752 for (timeout = 0; timeout < 1000 ; timeout++) { 1753 status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1754 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE) 1755 found = 1; 1756 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1757 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1758 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1759 break; 1760 if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) { 1761 if (bootverbose) { 1762 device_printf(ch->dev, "SATA offline status=%08x\n", 1763 status); 1764 } 1765 return (0); 1766 } 1767 if (found == 0 && timeout >= 100) 1768 break; 1769 DELAY(100); 1770 } 1771 if (timeout >= 1000 || !found) { 1772 if (bootverbose) { 1773 device_printf(ch->dev, 1774 "SATA connect timeout time=%dus status=%08x\n", 1775 timeout * 100, status); 1776 } 1777 return (0); 1778 } 1779 if (bootverbose) { 1780 device_printf(ch->dev, "SATA connect time=%dus status=%08x\n", 1781 timeout * 100, status); 1782 } 1783 /* Clear SATA error register */ 1784 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1785 return (1); 1786} 1787 1788static int 1789siis_check_ids(device_t dev, union ccb *ccb) 1790{ 1791 1792 if (ccb->ccb_h.target_id > 15) { 1793 ccb->ccb_h.status = CAM_TID_INVALID; 1794 xpt_done(ccb); 1795 return (-1); 1796 } 1797 if (ccb->ccb_h.target_lun != 0) { 1798 ccb->ccb_h.status = CAM_LUN_INVALID; 1799 xpt_done(ccb); 1800 return (-1); 1801 } 1802 return (0); 1803} 1804 1805static void 1806siisaction(struct cam_sim *sim, union ccb *ccb) 1807{ 1808 device_t dev, parent; 1809 struct siis_channel *ch; 1810 1811 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1812 ccb->ccb_h.func_code)); 1813 1814 ch = (struct siis_channel *)cam_sim_softc(sim); 1815 dev = ch->dev; 1816 mtx_assert(&ch->mtx, MA_OWNED); 1817 switch (ccb->ccb_h.func_code) { 1818 /* Common cases first */ 1819 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1820 case XPT_SCSI_IO: 1821 if (siis_check_ids(dev, ccb)) 1822 return; 1823 if (ch->devices == 0 || 1824 (ch->pm_present == 0 && 1825 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { 1826 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1827 break; 1828 } 1829 ccb->ccb_h.recovery_type = RECOVERY_NONE; 1830 /* Check for command collision. */ 1831 if (siis_check_collision(dev, ccb)) { 1832 /* Freeze command. */ 1833 ch->frozen = ccb; 1834 /* We have only one frozen slot, so freeze simq also. */ 1835 xpt_freeze_simq(ch->sim, 1); 1836 return; 1837 } 1838 siis_begin_transaction(dev, ccb); 1839 return; 1840 case XPT_ABORT: /* Abort the specified CCB */ 1841 /* XXX Implement */ 1842 ccb->ccb_h.status = CAM_REQ_INVALID; 1843 break; 1844 case XPT_SET_TRAN_SETTINGS: 1845 { 1846 struct ccb_trans_settings *cts = &ccb->cts; 1847 struct siis_device *d; 1848 1849 if (siis_check_ids(dev, ccb)) 1850 return; 1851 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1852 d = &ch->curr[ccb->ccb_h.target_id]; 1853 else 1854 d = &ch->user[ccb->ccb_h.target_id]; 1855 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1856 d->revision = cts->xport_specific.sata.revision; 1857 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1858 d->mode = cts->xport_specific.sata.mode; 1859 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1860 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1861 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1862 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1863 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1864 ch->pm_present = cts->xport_specific.sata.pm_present; 1865 if (ch->pm_present) 1866 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1867 else 1868 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1869 } 1870 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1871 d->atapi = cts->xport_specific.sata.atapi; 1872 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1873 d->caps = cts->xport_specific.sata.caps; 1874 ccb->ccb_h.status = CAM_REQ_CMP; 1875 break; 1876 } 1877 case XPT_GET_TRAN_SETTINGS: 1878 /* Get default/user set transfer settings for the target */ 1879 { 1880 struct ccb_trans_settings *cts = &ccb->cts; 1881 struct siis_device *d; 1882 uint32_t status; 1883 1884 if (siis_check_ids(dev, ccb)) 1885 return; 1886 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1887 d = &ch->curr[ccb->ccb_h.target_id]; 1888 else 1889 d = &ch->user[ccb->ccb_h.target_id]; 1890 cts->protocol = PROTO_UNSPECIFIED; 1891 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1892 cts->transport = XPORT_SATA; 1893 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1894 cts->proto_specific.valid = 0; 1895 cts->xport_specific.sata.valid = 0; 1896 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1897 (ccb->ccb_h.target_id == 15 || 1898 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1899 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1900 if (status & 0x0f0) { 1901 cts->xport_specific.sata.revision = 1902 (status & 0x0f0) >> 4; 1903 cts->xport_specific.sata.valid |= 1904 CTS_SATA_VALID_REVISION; 1905 } 1906 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; 1907 if (ch->pm_level) 1908 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; 1909 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; 1910 cts->xport_specific.sata.caps &= 1911 ch->user[ccb->ccb_h.target_id].caps; 1912 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1913 } else { 1914 cts->xport_specific.sata.revision = d->revision; 1915 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1916 cts->xport_specific.sata.caps = d->caps; 1917 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1918 (ch->quirks & SIIS_Q_SNTF) == 0) 1919 cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; 1920 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1921 } 1922 cts->xport_specific.sata.mode = d->mode; 1923 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1924 cts->xport_specific.sata.bytecount = d->bytecount; 1925 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1926 cts->xport_specific.sata.pm_present = ch->pm_present; 1927 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1928 cts->xport_specific.sata.tags = d->tags; 1929 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1930 cts->xport_specific.sata.atapi = d->atapi; 1931 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1932 ccb->ccb_h.status = CAM_REQ_CMP; 1933 break; 1934 } 1935 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1936 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1937 siis_reset(dev); 1938 ccb->ccb_h.status = CAM_REQ_CMP; 1939 break; 1940 case XPT_TERM_IO: /* Terminate the I/O process */ 1941 /* XXX Implement */ 1942 ccb->ccb_h.status = CAM_REQ_INVALID; 1943 break; 1944 case XPT_PATH_INQ: /* Path routing inquiry */ 1945 { 1946 struct ccb_pathinq *cpi = &ccb->cpi; 1947 1948 parent = device_get_parent(dev); 1949 cpi->version_num = 1; /* XXX??? */ 1950 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1951 cpi->hba_inquiry |= PI_SATAPM; 1952 cpi->target_sprt = 0; 1953 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | PIM_ATA_EXT; 1954 cpi->hba_eng_cnt = 0; 1955 cpi->max_target = 15; 1956 cpi->max_lun = 0; 1957 cpi->initiator_id = 0; 1958 cpi->bus_id = cam_sim_bus(sim); 1959 cpi->base_transfer_speed = 150000; 1960 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1961 strlcpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1962 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1963 cpi->unit_number = cam_sim_unit(sim); 1964 cpi->transport = XPORT_SATA; 1965 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1966 cpi->protocol = PROTO_ATA; 1967 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1968 cpi->maxio = MAXPHYS; 1969 cpi->hba_vendor = pci_get_vendor(parent); 1970 cpi->hba_device = pci_get_device(parent); 1971 cpi->hba_subvendor = pci_get_subvendor(parent); 1972 cpi->hba_subdevice = pci_get_subdevice(parent); 1973 cpi->ccb_h.status = CAM_REQ_CMP; 1974 break; 1975 } 1976 default: 1977 ccb->ccb_h.status = CAM_REQ_INVALID; 1978 break; 1979 } 1980 xpt_done(ccb); 1981} 1982 1983static void 1984siispoll(struct cam_sim *sim) 1985{ 1986 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1987 1988 siis_ch_intr(ch->dev); 1989} 1990