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("$FreeBSD$"); 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 */ 61 static int siis_setup_interrupt(device_t dev); 62 static void siis_intr(void *data); 63 static int siis_suspend(device_t dev); 64 static int siis_resume(device_t dev); 65 static int siis_ch_init(device_t dev); 66 static int siis_ch_deinit(device_t dev); 67 static int siis_ch_suspend(device_t dev); 68 static int siis_ch_resume(device_t dev); 69 static void siis_ch_intr_locked(void *data); 70 static void siis_ch_intr(void *data); 71 static void siis_ch_led(void *priv, int onoff); 72 static void siis_begin_transaction(device_t dev, union ccb *ccb); 73 static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 74 static void siis_execute_transaction(struct siis_slot *slot); 75 static void siis_timeout(void *arg); 76 static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 77 static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 78 static void siis_dmainit(device_t dev); 79 static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 80 static void siis_dmafini(device_t dev); 81 static void siis_slotsalloc(device_t dev); 82 static void siis_slotsfree(device_t dev); 83 static void siis_reset(device_t dev); 84 static void siis_portinit(device_t dev); 85 static int siis_wait_ready(device_t dev, int t); 86 87 static int siis_sata_connect(struct siis_channel *ch); 88 89 static void siis_issue_recovery(device_t dev); 90 static void siis_process_read_log(device_t dev, union ccb *ccb); 91 static void siis_process_request_sense(device_t dev, union ccb *ccb); 92 93 static void siisaction(struct cam_sim *sim, union ccb *ccb); 94 static void siispoll(struct cam_sim *sim); 95 96 static MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 97 98 static 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 121 122 static int 123 siis_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 } 139 140 static int 141 siis_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 } 205 206 static int 207 siis_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 } 228 229 static int 230 siis_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 } 240 241 static int 242 siis_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 } 259 260 static int 261 siis_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 */ 295 static void 296 siis_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 } 316 317 static struct resource * 318 siis_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 } 349 350 static int 351 siis_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 } 366 367 static int 368 siis_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 } 383 384 static int 385 siis_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 } 395 396 static int 397 siis_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 } 408 409 static int 410 siis_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 } 418 419 static bus_dma_tag_t 420 siis_get_dma_tag(device_t bus, device_t child) 421 { 422 423 return (bus_get_dma_tag(bus)); 424 } 425 426 devclass_t siis_devclass; 427 static 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 }; 442 static driver_t siis_driver = { 443 "siis", 444 siis_methods, 445 sizeof(struct siis_controller) 446 }; 447 DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 448 MODULE_VERSION(siis, 1); 449 MODULE_DEPEND(siis, cam, 1, 1, 1); 450 451 static int 452 siis_ch_probe(device_t dev) 453 { 454 455 device_set_desc_copy(dev, "SIIS channel"); 456 return (BUS_PROBE_DEFAULT); 457 } 458 459 static int 460 siis_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); 537 538 err3: 539 xpt_bus_deregister(cam_sim_path(ch->sim)); 540 err2: 541 cam_sim_free(ch->sim, /*free_devq*/TRUE); 542 err1: 543 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 544 err0: 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 } 550 551 static int 552 siis_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 } 575 576 static int 577 siis_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 } 592 593 static int 594 siis_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 } 602 603 static int 604 siis_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 } 616 617 static int 618 siis_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 } 629 630 devclass_t siisch_devclass; 631 static 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 }; 639 static driver_t siisch_driver = { 640 "siisch", 641 siisch_methods, 642 sizeof(struct siis_channel) 643 }; 644 DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 645 646 static void 647 siis_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 } 660 661 struct siis_dc_cb_args { 662 bus_addr_t maddr; 663 int error; 664 }; 665 666 static void 667 siis_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; 697 698 error: 699 device_printf(dev, "WARNING - DMA initialization failed\n"); 700 siis_dmafini(dev); 701 } 702 703 static void 704 siis_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 } 711 712 static void 713 siis_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 } 733 734 static void 735 siis_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 } 755 756 static void 757 siis_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 } 773 774 static void 775 siis_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 } 805 806 static void 807 siis_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 } 836 837 static void 838 siis_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 } 847 848 static void 849 siis_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. */ 952 static int 953 siis_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. */ 978 static void 979 siis_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. */ 1016 static void 1017 siis_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. */ 1058 static void 1059 siis_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 siis_timeout, slot, 0); 1127 return; 1128 } 1129 1130 /* Must be called with channel locked. */ 1131 static void 1132 siis_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. */ 1152 static void 1153 siis_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 siis_timeout, slot, 0); 1170 } 1171 } 1172 1173 /* Locked by callout mechanism. */ 1174 static void 1175 siis_timeout(void *arg) 1176 { 1177 struct siis_slot *slot = arg; 1178 device_t dev = slot->dev; 1179 struct siis_channel *ch = device_get_softc(dev); 1180 union ccb *ccb = slot->ccb; 1181 1182 mtx_assert(&ch->mtx, MA_OWNED); 1183 /* Check for stale timeout. */ 1184 if (slot->state < SIIS_SLOT_RUNNING) 1185 return; 1186 1187 /* Handle soft-reset timeouts without doing hard-reset. */ 1188 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1189 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1190 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1191 xpt_freeze_simq(ch->sim, ch->numrslots); 1192 siis_end_transaction(slot, SIIS_ERR_TFE); 1193 return; 1194 } 1195 1196 device_printf(dev, "Timeout on slot %d\n", slot->slot); 1197 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1198 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), 1199 ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1200 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1201 ATA_INL(ch->r_mem, SIIS_P_SERR)); 1202 1203 if (ch->toslots == 0) 1204 xpt_freeze_simq(ch->sim, 1); 1205 ch->toslots |= (1 << slot->slot); 1206 if ((ch->rslots & ~ch->toslots) == 0) 1207 siis_process_timeout(dev); 1208 else 1209 device_printf(dev, " ... waiting for slots %08x\n", 1210 ch->rslots & ~ch->toslots); 1211 } 1212 1213 /* Must be called with channel locked. */ 1214 static void 1215 siis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1216 { 1217 device_t dev = slot->dev; 1218 struct siis_channel *ch = device_get_softc(dev); 1219 union ccb *ccb = slot->ccb; 1220 int lastto; 1221 1222 mtx_assert(&ch->mtx, MA_OWNED); 1223 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1224 BUS_DMASYNC_POSTWRITE); 1225 /* Read result registers to the result struct 1226 * May be incorrect if several commands finished same time, 1227 * so read only when sure or have to. 1228 */ 1229 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1230 struct ata_res *res = &ccb->ataio.res; 1231 if ((et == SIIS_ERR_TFE) || 1232 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1233 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1234 1235 res->status = ATA_INB(ch->r_mem, offs + 2); 1236 res->error = ATA_INB(ch->r_mem, offs + 3); 1237 res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1238 res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1239 res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1240 res->device = ATA_INB(ch->r_mem, offs + 7); 1241 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1242 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1243 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1244 res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1245 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1246 } else 1247 bzero(res, sizeof(*res)); 1248 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1249 ch->numrslots == 1) { 1250 ccb->ataio.resid = ccb->ataio.dxfer_len - 1251 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1252 } 1253 } else { 1254 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1255 ch->numrslots == 1) { 1256 ccb->csio.resid = ccb->csio.dxfer_len - 1257 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1258 } 1259 } 1260 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1261 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1262 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1263 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1264 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1265 } 1266 /* Set proper result status. */ 1267 if (et != SIIS_ERR_NONE || ch->recovery) { 1268 ch->eslots |= (1 << slot->slot); 1269 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1270 } 1271 /* In case of error, freeze device for proper recovery. */ 1272 if (et != SIIS_ERR_NONE && (!ch->recoverycmd) && 1273 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1274 xpt_freeze_devq(ccb->ccb_h.path, 1); 1275 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1276 } 1277 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1278 switch (et) { 1279 case SIIS_ERR_NONE: 1280 ccb->ccb_h.status |= CAM_REQ_CMP; 1281 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1282 ccb->csio.scsi_status = SCSI_STATUS_OK; 1283 break; 1284 case SIIS_ERR_INVALID: 1285 ch->fatalerr = 1; 1286 ccb->ccb_h.status |= CAM_REQ_INVALID; 1287 break; 1288 case SIIS_ERR_INNOCENT: 1289 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1290 break; 1291 case SIIS_ERR_TFE: 1292 case SIIS_ERR_NCQ: 1293 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1294 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1295 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1296 } else { 1297 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1298 } 1299 break; 1300 case SIIS_ERR_SATA: 1301 ch->fatalerr = 1; 1302 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1303 break; 1304 case SIIS_ERR_TIMEOUT: 1305 ch->fatalerr = 1; 1306 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1307 break; 1308 default: 1309 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1310 } 1311 /* Free slot. */ 1312 ch->oslots &= ~(1 << slot->slot); 1313 ch->rslots &= ~(1 << slot->slot); 1314 ch->aslots &= ~(1 << slot->slot); 1315 slot->state = SIIS_SLOT_EMPTY; 1316 slot->ccb = NULL; 1317 /* Update channel stats. */ 1318 ch->numrslots--; 1319 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1320 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1321 ch->numtslots[ccb->ccb_h.target_id]--; 1322 } 1323 /* Cancel timeout state if request completed normally. */ 1324 if (et != SIIS_ERR_TIMEOUT) { 1325 lastto = (ch->toslots == (1 << slot->slot)); 1326 ch->toslots &= ~(1 << slot->slot); 1327 if (lastto) 1328 xpt_release_simq(ch->sim, TRUE); 1329 } 1330 /* If it was our READ LOG command - process it. */ 1331 if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) { 1332 siis_process_read_log(dev, ccb); 1333 /* If it was our REQUEST SENSE command - process it. */ 1334 } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) { 1335 siis_process_request_sense(dev, ccb); 1336 /* If it was NCQ or ATAPI command error, put result on hold. */ 1337 } else if (et == SIIS_ERR_NCQ || 1338 ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1339 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) { 1340 ch->hold[slot->slot] = ccb; 1341 ch->numhslots++; 1342 } else 1343 xpt_done(ccb); 1344 /* If we have no other active commands, ... */ 1345 if (ch->rslots == 0) { 1346 /* if there were timeouts or fatal error - reset port. */ 1347 if (ch->toslots != 0 || ch->fatalerr) { 1348 siis_reset(dev); 1349 } else { 1350 /* if we have slots in error, we can reinit port. */ 1351 if (ch->eslots != 0) 1352 siis_portinit(dev); 1353 /* if there commands on hold, we can do recovery. */ 1354 if (!ch->recoverycmd && ch->numhslots) 1355 siis_issue_recovery(dev); 1356 } 1357 /* If all the reset of commands are in timeout - abort them. */ 1358 } else if ((ch->rslots & ~ch->toslots) == 0 && 1359 et != SIIS_ERR_TIMEOUT) 1360 siis_rearm_timeout(dev); 1361 /* Unfreeze frozen command. */ 1362 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1363 union ccb *fccb = ch->frozen; 1364 ch->frozen = NULL; 1365 siis_begin_transaction(dev, fccb); 1366 xpt_release_simq(ch->sim, TRUE); 1367 } 1368 } 1369 1370 static void 1371 siis_issue_recovery(device_t dev) 1372 { 1373 struct siis_channel *ch = device_get_softc(dev); 1374 union ccb *ccb; 1375 struct ccb_ataio *ataio; 1376 struct ccb_scsiio *csio; 1377 int i; 1378 1379 /* Find some held command. */ 1380 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1381 if (ch->hold[i]) 1382 break; 1383 } 1384 if (i == SIIS_MAX_SLOTS) 1385 return; 1386 ccb = xpt_alloc_ccb_nowait(); 1387 if (ccb == NULL) { 1388 device_printf(dev, "Unable to allocate recovery command\n"); 1389 completeall: 1390 /* We can't do anything -- complete held commands. */ 1391 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1392 if (ch->hold[i] == NULL) 1393 continue; 1394 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1395 ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL; 1396 xpt_done(ch->hold[i]); 1397 ch->hold[i] = NULL; 1398 ch->numhslots--; 1399 } 1400 siis_reset(dev); 1401 return; 1402 } 1403 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1404 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1405 /* READ LOG */ 1406 ccb->ccb_h.recovery_type = RECOVERY_READ_LOG; 1407 ccb->ccb_h.func_code = XPT_ATA_IO; 1408 ccb->ccb_h.flags = CAM_DIR_IN; 1409 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1410 ataio = &ccb->ataio; 1411 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1412 if (ataio->data_ptr == NULL) { 1413 xpt_free_ccb(ccb); 1414 device_printf(dev, 1415 "Unable to allocate memory for READ LOG command\n"); 1416 goto completeall; 1417 } 1418 ataio->dxfer_len = 512; 1419 bzero(&ataio->cmd, sizeof(ataio->cmd)); 1420 ataio->cmd.flags = CAM_ATAIO_48BIT; 1421 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1422 ataio->cmd.sector_count = 1; 1423 ataio->cmd.sector_count_exp = 0; 1424 ataio->cmd.lba_low = 0x10; 1425 ataio->cmd.lba_mid = 0; 1426 ataio->cmd.lba_mid_exp = 0; 1427 } else { 1428 /* REQUEST SENSE */ 1429 ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE; 1430 ccb->ccb_h.recovery_slot = i; 1431 ccb->ccb_h.func_code = XPT_SCSI_IO; 1432 ccb->ccb_h.flags = CAM_DIR_IN; 1433 ccb->ccb_h.status = 0; 1434 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1435 csio = &ccb->csio; 1436 csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data; 1437 csio->dxfer_len = ch->hold[i]->csio.sense_len; 1438 csio->cdb_len = 6; 1439 bzero(&csio->cdb_io, sizeof(csio->cdb_io)); 1440 csio->cdb_io.cdb_bytes[0] = 0x03; 1441 csio->cdb_io.cdb_bytes[4] = csio->dxfer_len; 1442 } 1443 ch->recoverycmd = 1; 1444 siis_begin_transaction(dev, ccb); 1445 } 1446 1447 static void 1448 siis_process_read_log(device_t dev, union ccb *ccb) 1449 { 1450 struct siis_channel *ch = device_get_softc(dev); 1451 uint8_t *data; 1452 struct ata_res *res; 1453 int i; 1454 1455 ch->recoverycmd = 0; 1456 data = ccb->ataio.data_ptr; 1457 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1458 (data[0] & 0x80) == 0) { 1459 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1460 if (!ch->hold[i]) 1461 continue; 1462 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1463 continue; 1464 if ((data[0] & 0x1F) == i) { 1465 res = &ch->hold[i]->ataio.res; 1466 res->status = data[2]; 1467 res->error = data[3]; 1468 res->lba_low = data[4]; 1469 res->lba_mid = data[5]; 1470 res->lba_high = data[6]; 1471 res->device = data[7]; 1472 res->lba_low_exp = data[8]; 1473 res->lba_mid_exp = data[9]; 1474 res->lba_high_exp = data[10]; 1475 res->sector_count = data[12]; 1476 res->sector_count_exp = data[13]; 1477 } else { 1478 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1479 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1480 } 1481 xpt_done(ch->hold[i]); 1482 ch->hold[i] = NULL; 1483 ch->numhslots--; 1484 } 1485 } else { 1486 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1487 device_printf(dev, "Error while READ LOG EXT\n"); 1488 else if ((data[0] & 0x80) == 0) { 1489 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1490 } 1491 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1492 if (!ch->hold[i]) 1493 continue; 1494 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1495 continue; 1496 xpt_done(ch->hold[i]); 1497 ch->hold[i] = NULL; 1498 ch->numhslots--; 1499 } 1500 } 1501 free(ccb->ataio.data_ptr, M_SIIS); 1502 xpt_free_ccb(ccb); 1503 } 1504 1505 static void 1506 siis_process_request_sense(device_t dev, union ccb *ccb) 1507 { 1508 struct siis_channel *ch = device_get_softc(dev); 1509 int i; 1510 1511 ch->recoverycmd = 0; 1512 1513 i = ccb->ccb_h.recovery_slot; 1514 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1515 ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID; 1516 } else { 1517 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1518 ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1519 } 1520 xpt_done(ch->hold[i]); 1521 ch->hold[i] = NULL; 1522 ch->numhslots--; 1523 xpt_free_ccb(ccb); 1524 } 1525 1526 static void 1527 siis_portinit(device_t dev) 1528 { 1529 struct siis_channel *ch = device_get_softc(dev); 1530 int i; 1531 1532 ch->eslots = 0; 1533 ch->recovery = 0; 1534 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1535 for (i = 0; i < 16; i++) { 1536 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1537 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1538 } 1539 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1540 siis_wait_ready(dev, 1000); 1541 } 1542 1543 static int 1544 siis_devreset(device_t dev) 1545 { 1546 struct siis_channel *ch = device_get_softc(dev); 1547 int timeout = 0; 1548 uint32_t val; 1549 1550 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1551 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1552 SIIS_P_CTL_DEV_RESET) != 0) { 1553 DELAY(100); 1554 if (timeout++ > 1000) { 1555 device_printf(dev, "device reset stuck " 1556 "(timeout 100ms) status = %08x\n", val); 1557 return (EBUSY); 1558 } 1559 } 1560 return (0); 1561 } 1562 1563 static int 1564 siis_wait_ready(device_t dev, int t) 1565 { 1566 struct siis_channel *ch = device_get_softc(dev); 1567 int timeout = 0; 1568 uint32_t val; 1569 1570 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1571 SIIS_P_CTL_READY) == 0) { 1572 DELAY(1000); 1573 if (timeout++ > t) { 1574 device_printf(dev, "port is not ready (timeout %dms) " 1575 "status = %08x\n", t, val); 1576 return (EBUSY); 1577 } 1578 } 1579 return (0); 1580 } 1581 1582 static void 1583 siis_reset(device_t dev) 1584 { 1585 struct siis_channel *ch = device_get_softc(dev); 1586 int i, retry = 0, sata_rev; 1587 uint32_t val; 1588 1589 xpt_freeze_simq(ch->sim, 1); 1590 if (bootverbose) 1591 device_printf(dev, "SIIS reset...\n"); 1592 if (!ch->recoverycmd && !ch->recovery) 1593 xpt_freeze_simq(ch->sim, ch->numrslots); 1594 /* Requeue frozen command. */ 1595 if (ch->frozen) { 1596 union ccb *fccb = ch->frozen; 1597 ch->frozen = NULL; 1598 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1599 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1600 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1601 xpt_freeze_devq(fccb->ccb_h.path, 1); 1602 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1603 } 1604 xpt_done(fccb); 1605 } 1606 /* Requeue all running commands. */ 1607 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1608 /* Do we have a running request on slot? */ 1609 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1610 continue; 1611 /* XXX; Commands in loading state. */ 1612 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1613 } 1614 /* Finish all held commands as-is. */ 1615 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1616 if (!ch->hold[i]) 1617 continue; 1618 xpt_done(ch->hold[i]); 1619 ch->hold[i] = NULL; 1620 ch->numhslots--; 1621 } 1622 if (ch->toslots != 0) 1623 xpt_release_simq(ch->sim, TRUE); 1624 ch->eslots = 0; 1625 ch->recovery = 0; 1626 ch->toslots = 0; 1627 ch->fatalerr = 0; 1628 /* Disable port interrupts */ 1629 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1630 /* Set speed limit. */ 1631 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1632 if (sata_rev == 1) 1633 val = ATA_SC_SPD_SPEED_GEN1; 1634 else if (sata_rev == 2) 1635 val = ATA_SC_SPD_SPEED_GEN2; 1636 else if (sata_rev == 3) 1637 val = ATA_SC_SPD_SPEED_GEN3; 1638 else 1639 val = 0; 1640 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1641 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1642 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1643 retry: 1644 siis_devreset(dev); 1645 /* Reset and reconnect PHY, */ 1646 if (!siis_sata_connect(ch)) { 1647 ch->devices = 0; 1648 /* Enable port interrupts */ 1649 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1650 if (bootverbose) 1651 device_printf(dev, 1652 "SIIS reset done: phy reset found no device\n"); 1653 /* Tell the XPT about the event */ 1654 xpt_async(AC_BUS_RESET, ch->path, NULL); 1655 xpt_release_simq(ch->sim, TRUE); 1656 return; 1657 } 1658 /* Wait for port ready status. */ 1659 if (siis_wait_ready(dev, 1000)) { 1660 device_printf(dev, "port ready timeout\n"); 1661 if (!retry) { 1662 device_printf(dev, "trying full port reset ...\n"); 1663 /* Get port to the reset state. */ 1664 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1665 DELAY(10000); 1666 /* Get port out of reset state. */ 1667 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1668 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1669 if (ch->pm_present) 1670 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1671 else 1672 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1673 siis_wait_ready(dev, 5000); 1674 retry = 1; 1675 goto retry; 1676 } 1677 } 1678 ch->devices = 1; 1679 /* Enable port interrupts */ 1680 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1681 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1682 if (bootverbose) 1683 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1684 /* Tell the XPT about the event */ 1685 xpt_async(AC_BUS_RESET, ch->path, NULL); 1686 xpt_release_simq(ch->sim, TRUE); 1687 } 1688 1689 static int 1690 siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1691 { 1692 struct siis_channel *ch = device_get_softc(dev); 1693 u_int8_t *fis = &ctp->fis[0]; 1694 1695 bzero(fis, 24); 1696 fis[0] = 0x27; /* host to device */ 1697 fis[1] = (ccb->ccb_h.target_id & 0x0f); 1698 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1699 fis[1] |= 0x80; 1700 fis[2] = ATA_PACKET_CMD; 1701 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1702 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1703 fis[3] = ATA_F_DMA; 1704 else { 1705 fis[5] = ccb->csio.dxfer_len; 1706 fis[6] = ccb->csio.dxfer_len >> 8; 1707 } 1708 fis[7] = ATA_D_LBA; 1709 fis[15] = ATA_A_4BIT; 1710 bzero(ctp->u.atapi.ccb, 16); 1711 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1712 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1713 ctp->u.atapi.ccb, ccb->csio.cdb_len); 1714 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1715 fis[1] |= 0x80; 1716 fis[2] = ccb->ataio.cmd.command; 1717 fis[3] = ccb->ataio.cmd.features; 1718 fis[4] = ccb->ataio.cmd.lba_low; 1719 fis[5] = ccb->ataio.cmd.lba_mid; 1720 fis[6] = ccb->ataio.cmd.lba_high; 1721 fis[7] = ccb->ataio.cmd.device; 1722 fis[8] = ccb->ataio.cmd.lba_low_exp; 1723 fis[9] = ccb->ataio.cmd.lba_mid_exp; 1724 fis[10] = ccb->ataio.cmd.lba_high_exp; 1725 fis[11] = ccb->ataio.cmd.features_exp; 1726 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1727 fis[12] = tag << 3; 1728 fis[13] = 0; 1729 } else { 1730 fis[12] = ccb->ataio.cmd.sector_count; 1731 fis[13] = ccb->ataio.cmd.sector_count_exp; 1732 } 1733 fis[15] = ATA_A_4BIT; 1734 if (ccb->ataio.ata_flags & ATA_FLAG_AUX) { 1735 fis[16] = ccb->ataio.aux & 0xff; 1736 fis[17] = (ccb->ataio.aux >> 8) & 0xff; 1737 fis[18] = (ccb->ataio.aux >> 16) & 0xff; 1738 fis[19] = (ccb->ataio.aux >> 24) & 0xff; 1739 } 1740 } else { 1741 /* Soft reset. */ 1742 } 1743 return (20); 1744 } 1745 1746 static int 1747 siis_sata_connect(struct siis_channel *ch) 1748 { 1749 u_int32_t status; 1750 int timeout, found = 0; 1751 1752 /* Wait up to 100ms for "connect well" */ 1753 for (timeout = 0; timeout < 1000 ; timeout++) { 1754 status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1755 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE) 1756 found = 1; 1757 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1758 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1759 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1760 break; 1761 if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) { 1762 if (bootverbose) { 1763 device_printf(ch->dev, "SATA offline status=%08x\n", 1764 status); 1765 } 1766 return (0); 1767 } 1768 if (found == 0 && timeout >= 100) 1769 break; 1770 DELAY(100); 1771 } 1772 if (timeout >= 1000 || !found) { 1773 if (bootverbose) { 1774 device_printf(ch->dev, 1775 "SATA connect timeout time=%dus status=%08x\n", 1776 timeout * 100, status); 1777 } 1778 return (0); 1779 } 1780 if (bootverbose) { 1781 device_printf(ch->dev, "SATA connect time=%dus status=%08x\n", 1782 timeout * 100, status); 1783 } 1784 /* Clear SATA error register */ 1785 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1786 return (1); 1787 } 1788 1789 static int 1790 siis_check_ids(device_t dev, union ccb *ccb) 1791 { 1792 1793 if (ccb->ccb_h.target_id > 15) { 1794 ccb->ccb_h.status = CAM_TID_INVALID; 1795 xpt_done(ccb); 1796 return (-1); 1797 } 1798 if (ccb->ccb_h.target_lun != 0) { 1799 ccb->ccb_h.status = CAM_LUN_INVALID; 1800 xpt_done(ccb); 1801 return (-1); 1802 } 1803 return (0); 1804 } 1805 1806 static void 1807 siisaction(struct cam_sim *sim, union ccb *ccb) 1808 { 1809 device_t dev, parent; 1810 struct siis_channel *ch; 1811 1812 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1813 ccb->ccb_h.func_code)); 1814 1815 ch = (struct siis_channel *)cam_sim_softc(sim); 1816 dev = ch->dev; 1817 mtx_assert(&ch->mtx, MA_OWNED); 1818 switch (ccb->ccb_h.func_code) { 1819 /* Common cases first */ 1820 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1821 case XPT_SCSI_IO: 1822 if (siis_check_ids(dev, ccb)) 1823 return; 1824 if (ch->devices == 0 || 1825 (ch->pm_present == 0 && 1826 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { 1827 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1828 break; 1829 } 1830 ccb->ccb_h.recovery_type = RECOVERY_NONE; 1831 /* Check for command collision. */ 1832 if (siis_check_collision(dev, ccb)) { 1833 /* Freeze command. */ 1834 ch->frozen = ccb; 1835 /* We have only one frozen slot, so freeze simq also. */ 1836 xpt_freeze_simq(ch->sim, 1); 1837 return; 1838 } 1839 siis_begin_transaction(dev, ccb); 1840 return; 1841 case XPT_ABORT: /* Abort the specified CCB */ 1842 /* XXX Implement */ 1843 ccb->ccb_h.status = CAM_REQ_INVALID; 1844 break; 1845 case XPT_SET_TRAN_SETTINGS: 1846 { 1847 struct ccb_trans_settings *cts = &ccb->cts; 1848 struct siis_device *d; 1849 1850 if (siis_check_ids(dev, ccb)) 1851 return; 1852 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1853 d = &ch->curr[ccb->ccb_h.target_id]; 1854 else 1855 d = &ch->user[ccb->ccb_h.target_id]; 1856 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1857 d->revision = cts->xport_specific.sata.revision; 1858 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1859 d->mode = cts->xport_specific.sata.mode; 1860 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1861 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1862 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1863 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1864 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1865 ch->pm_present = cts->xport_specific.sata.pm_present; 1866 if (ch->pm_present) 1867 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1868 else 1869 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1870 } 1871 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1872 d->atapi = cts->xport_specific.sata.atapi; 1873 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1874 d->caps = cts->xport_specific.sata.caps; 1875 ccb->ccb_h.status = CAM_REQ_CMP; 1876 break; 1877 } 1878 case XPT_GET_TRAN_SETTINGS: 1879 /* Get default/user set transfer settings for the target */ 1880 { 1881 struct ccb_trans_settings *cts = &ccb->cts; 1882 struct siis_device *d; 1883 uint32_t status; 1884 1885 if (siis_check_ids(dev, ccb)) 1886 return; 1887 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1888 d = &ch->curr[ccb->ccb_h.target_id]; 1889 else 1890 d = &ch->user[ccb->ccb_h.target_id]; 1891 cts->protocol = PROTO_UNSPECIFIED; 1892 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1893 cts->transport = XPORT_SATA; 1894 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1895 cts->proto_specific.valid = 0; 1896 cts->xport_specific.sata.valid = 0; 1897 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1898 (ccb->ccb_h.target_id == 15 || 1899 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1900 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1901 if (status & 0x0f0) { 1902 cts->xport_specific.sata.revision = 1903 (status & 0x0f0) >> 4; 1904 cts->xport_specific.sata.valid |= 1905 CTS_SATA_VALID_REVISION; 1906 } 1907 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; 1908 if (ch->pm_level) 1909 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; 1910 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; 1911 cts->xport_specific.sata.caps &= 1912 ch->user[ccb->ccb_h.target_id].caps; 1913 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1914 } else { 1915 cts->xport_specific.sata.revision = d->revision; 1916 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1917 cts->xport_specific.sata.caps = d->caps; 1918 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1919 (ch->quirks & SIIS_Q_SNTF) == 0) 1920 cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; 1921 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1922 } 1923 cts->xport_specific.sata.mode = d->mode; 1924 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1925 cts->xport_specific.sata.bytecount = d->bytecount; 1926 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1927 cts->xport_specific.sata.pm_present = ch->pm_present; 1928 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1929 cts->xport_specific.sata.tags = d->tags; 1930 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1931 cts->xport_specific.sata.atapi = d->atapi; 1932 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1933 ccb->ccb_h.status = CAM_REQ_CMP; 1934 break; 1935 } 1936 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1937 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1938 siis_reset(dev); 1939 ccb->ccb_h.status = CAM_REQ_CMP; 1940 break; 1941 case XPT_TERM_IO: /* Terminate the I/O process */ 1942 /* XXX Implement */ 1943 ccb->ccb_h.status = CAM_REQ_INVALID; 1944 break; 1945 case XPT_PATH_INQ: /* Path routing inquiry */ 1946 { 1947 struct ccb_pathinq *cpi = &ccb->cpi; 1948 1949 parent = device_get_parent(dev); 1950 cpi->version_num = 1; /* XXX??? */ 1951 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1952 cpi->hba_inquiry |= PI_SATAPM; 1953 cpi->target_sprt = 0; 1954 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | PIM_ATA_EXT; 1955 cpi->hba_eng_cnt = 0; 1956 cpi->max_target = 15; 1957 cpi->max_lun = 0; 1958 cpi->initiator_id = 0; 1959 cpi->bus_id = cam_sim_bus(sim); 1960 cpi->base_transfer_speed = 150000; 1961 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1962 strlcpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1963 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1964 cpi->unit_number = cam_sim_unit(sim); 1965 cpi->transport = XPORT_SATA; 1966 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1967 cpi->protocol = PROTO_ATA; 1968 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1969 cpi->maxio = MAXPHYS; 1970 cpi->hba_vendor = pci_get_vendor(parent); 1971 cpi->hba_device = pci_get_device(parent); 1972 cpi->hba_subvendor = pci_get_subvendor(parent); 1973 cpi->hba_subdevice = pci_get_subdevice(parent); 1974 cpi->ccb_h.status = CAM_REQ_CMP; 1975 break; 1976 } 1977 default: 1978 ccb->ccb_h.status = CAM_REQ_INVALID; 1979 break; 1980 } 1981 xpt_done(ccb); 1982 } 1983 1984 static void 1985 siispoll(struct cam_sim *sim) 1986 { 1987 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1988 1989 siis_ch_intr(ch->dev); 1990 } 1991