1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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/param.h> 30 #include <sys/module.h> 31 #include <sys/systm.h> 32 #include <sys/kernel.h> 33 #include <sys/ata.h> 34 #include <sys/bus.h> 35 #include <sys/endian.h> 36 #include <sys/malloc.h> 37 #include <sys/lock.h> 38 #include <sys/mutex.h> 39 #include <sys/sbuf.h> 40 #include <sys/sema.h> 41 #include <sys/taskqueue.h> 42 #include <vm/uma.h> 43 #include <machine/stdarg.h> 44 #include <machine/resource.h> 45 #include <machine/bus.h> 46 #include <sys/rman.h> 47 #include <dev/led/led.h> 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcireg.h> 50 #include "siis.h" 51 52 #include <cam/cam.h> 53 #include <cam/cam_ccb.h> 54 #include <cam/cam_sim.h> 55 #include <cam/cam_xpt_sim.h> 56 #include <cam/cam_debug.h> 57 58 /* local prototypes */ 59 static int siis_setup_interrupt(device_t dev); 60 static void siis_intr(void *data); 61 static int siis_suspend(device_t dev); 62 static int siis_resume(device_t dev); 63 static int siis_ch_init(device_t dev); 64 static int siis_ch_deinit(device_t dev); 65 static int siis_ch_suspend(device_t dev); 66 static int siis_ch_resume(device_t dev); 67 static void siis_ch_intr_locked(void *data); 68 static void siis_ch_intr(void *data); 69 static void siis_ch_led(void *priv, int onoff); 70 static void siis_begin_transaction(device_t dev, union ccb *ccb); 71 static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 72 static void siis_execute_transaction(struct siis_slot *slot); 73 static void siis_timeout(void *arg); 74 static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 75 static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 76 static void siis_dmainit(device_t dev); 77 static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 78 static void siis_dmafini(device_t dev); 79 static void siis_slotsalloc(device_t dev); 80 static void siis_slotsfree(device_t dev); 81 static void siis_reset(device_t dev); 82 static void siis_portinit(device_t dev); 83 static int siis_wait_ready(device_t dev, int t); 84 85 static int siis_sata_connect(struct siis_channel *ch); 86 87 static void siis_issue_recovery(device_t dev); 88 static void siis_process_read_log(device_t dev, union ccb *ccb); 89 static void siis_process_request_sense(device_t dev, union ccb *ccb); 90 91 static void siisaction(struct cam_sim *sim, union ccb *ccb); 92 static void siispoll(struct cam_sim *sim); 93 94 static MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 95 96 static struct { 97 uint32_t id; 98 const char *name; 99 int ports; 100 int quirks; 101 #define SIIS_Q_SNTF 1 102 #define SIIS_Q_NOMSI 2 103 } siis_ids[] = { 104 {0x31241095, "SiI3124", 4, 0}, 105 {0x31248086, "SiI3124", 4, 0}, 106 {0x31321095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 107 {0x02421095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 108 {0x02441095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 109 {0x31311095, "SiI3131", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 110 {0x35311095, "SiI3531", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 111 {0, NULL, 0, 0} 112 }; 113 114 #define recovery_type spriv_field0 115 #define RECOVERY_NONE 0 116 #define RECOVERY_READ_LOG 1 117 #define RECOVERY_REQUEST_SENSE 2 118 #define recovery_slot spriv_field1 119 120 static int 121 siis_probe(device_t dev) 122 { 123 char buf[64]; 124 int i; 125 uint32_t devid = pci_get_devid(dev); 126 127 for (i = 0; siis_ids[i].id != 0; i++) { 128 if (siis_ids[i].id == devid) { 129 snprintf(buf, sizeof(buf), "%s SATA controller", 130 siis_ids[i].name); 131 device_set_desc_copy(dev, buf); 132 return (BUS_PROBE_DEFAULT); 133 } 134 } 135 return (ENXIO); 136 } 137 138 static int 139 siis_attach(device_t dev) 140 { 141 struct siis_controller *ctlr = device_get_softc(dev); 142 uint32_t devid = pci_get_devid(dev); 143 device_t child; 144 int error, i, unit; 145 146 ctlr->dev = dev; 147 for (i = 0; siis_ids[i].id != 0; i++) { 148 if (siis_ids[i].id == devid) 149 break; 150 } 151 ctlr->quirks = siis_ids[i].quirks; 152 /* Global memory */ 153 ctlr->r_grid = PCIR_BAR(0); 154 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 155 &ctlr->r_grid, RF_ACTIVE))) 156 return (ENXIO); 157 ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 158 /* Channels memory */ 159 ctlr->r_rid = PCIR_BAR(2); 160 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 161 &ctlr->r_rid, RF_ACTIVE))) 162 return (ENXIO); 163 /* Setup our own memory management for channels. */ 164 ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem); 165 ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem); 166 ctlr->sc_iomem.rm_type = RMAN_ARRAY; 167 ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 168 if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 169 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 170 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 171 return (error); 172 } 173 if ((error = rman_manage_region(&ctlr->sc_iomem, 174 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 175 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 176 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 177 rman_fini(&ctlr->sc_iomem); 178 return (error); 179 } 180 pci_enable_busmaster(dev); 181 /* Reset controller */ 182 siis_resume(dev); 183 /* Number of HW channels */ 184 ctlr->channels = siis_ids[i].ports; 185 /* Setup interrupts. */ 186 if (siis_setup_interrupt(dev)) { 187 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 188 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 189 rman_fini(&ctlr->sc_iomem); 190 return ENXIO; 191 } 192 /* Attach all channels on this controller */ 193 for (unit = 0; unit < ctlr->channels; unit++) { 194 child = device_add_child(dev, "siisch", -1); 195 if (child == NULL) 196 device_printf(dev, "failed to add channel device\n"); 197 else 198 device_set_ivars(child, (void *)(intptr_t)unit); 199 } 200 bus_generic_attach(dev); 201 return 0; 202 } 203 204 static int 205 siis_detach(device_t dev) 206 { 207 struct siis_controller *ctlr = device_get_softc(dev); 208 209 /* Detach & delete all children */ 210 device_delete_children(dev); 211 212 /* Free interrupts. */ 213 if (ctlr->irq.r_irq) { 214 bus_teardown_intr(dev, ctlr->irq.r_irq, 215 ctlr->irq.handle); 216 bus_release_resource(dev, SYS_RES_IRQ, 217 ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 218 } 219 pci_release_msi(dev); 220 /* Free memory. */ 221 rman_fini(&ctlr->sc_iomem); 222 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 223 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 224 return (0); 225 } 226 227 static int 228 siis_suspend(device_t dev) 229 { 230 struct siis_controller *ctlr = device_get_softc(dev); 231 232 bus_generic_suspend(dev); 233 /* Put controller into reset state. */ 234 ctlr->gctl |= SIIS_GCTL_GRESET; 235 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 236 return 0; 237 } 238 239 static int 240 siis_resume(device_t dev) 241 { 242 struct siis_controller *ctlr = device_get_softc(dev); 243 244 /* Set PCIe max read request size to at least 1024 bytes */ 245 if (pci_get_max_read_req(dev) < 1024) 246 pci_set_max_read_req(dev, 1024); 247 /* Put controller into reset state. */ 248 ctlr->gctl |= SIIS_GCTL_GRESET; 249 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 250 DELAY(10000); 251 /* Get controller out of reset state and enable port interrupts. */ 252 ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 253 ctlr->gctl |= 0x0000000f; 254 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 255 return (bus_generic_resume(dev)); 256 } 257 258 static int 259 siis_setup_interrupt(device_t dev) 260 { 261 struct siis_controller *ctlr = device_get_softc(dev); 262 int msi = ctlr->quirks & SIIS_Q_NOMSI ? 0 : 1; 263 264 /* Process hints. */ 265 resource_int_value(device_get_name(dev), 266 device_get_unit(dev), "msi", &msi); 267 if (msi < 0) 268 msi = 0; 269 else if (msi > 0) 270 msi = min(1, pci_msi_count(dev)); 271 /* Allocate MSI if needed/present. */ 272 if (msi && pci_alloc_msi(dev, &msi) != 0) 273 msi = 0; 274 /* Allocate all IRQs. */ 275 ctlr->irq.r_irq_rid = msi ? 1 : 0; 276 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 277 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 278 device_printf(dev, "unable to map interrupt\n"); 279 return ENXIO; 280 } 281 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 282 siis_intr, ctlr, &ctlr->irq.handle))) { 283 /* SOS XXX release r_irq */ 284 device_printf(dev, "unable to setup interrupt\n"); 285 return ENXIO; 286 } 287 return (0); 288 } 289 290 /* 291 * Common case interrupt handler. 292 */ 293 static void 294 siis_intr(void *data) 295 { 296 struct siis_controller *ctlr = (struct siis_controller *)data; 297 u_int32_t is; 298 void *arg; 299 int unit; 300 301 is = ATA_INL(ctlr->r_gmem, SIIS_IS); 302 for (unit = 0; unit < ctlr->channels; unit++) { 303 if ((is & SIIS_IS_PORT(unit)) != 0 && 304 (arg = ctlr->interrupt[unit].argument)) { 305 ctlr->interrupt[unit].function(arg); 306 } 307 } 308 /* Acknowledge interrupt, if MSI enabled. */ 309 if (ctlr->irq.r_irq_rid) { 310 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 311 ctlr->gctl | SIIS_GCTL_MSIACK); 312 } 313 } 314 315 static struct resource * 316 siis_alloc_resource(device_t dev, device_t child, int type, int *rid, 317 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 318 { 319 struct siis_controller *ctlr = device_get_softc(dev); 320 int unit = ((struct siis_channel *)device_get_softc(child))->unit; 321 struct resource *res = NULL; 322 int offset = unit << 13; 323 rman_res_t st; 324 325 switch (type) { 326 case SYS_RES_MEMORY: 327 st = rman_get_start(ctlr->r_mem); 328 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 329 st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 330 if (res) { 331 bus_space_handle_t bsh; 332 bus_space_tag_t bst; 333 bsh = rman_get_bushandle(ctlr->r_mem); 334 bst = rman_get_bustag(ctlr->r_mem); 335 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 336 rman_set_bushandle(res, bsh); 337 rman_set_bustag(res, bst); 338 } 339 break; 340 case SYS_RES_IRQ: 341 if (*rid == ATA_IRQ_RID) 342 res = ctlr->irq.r_irq; 343 break; 344 } 345 return (res); 346 } 347 348 static int 349 siis_release_resource(device_t dev, device_t child, struct resource *r) 350 { 351 352 switch (rman_get_type(r)) { 353 case SYS_RES_MEMORY: 354 rman_release_resource(r); 355 return (0); 356 case SYS_RES_IRQ: 357 if (rman_get_rid(r) != ATA_IRQ_RID) 358 return ENOENT; 359 return (0); 360 } 361 return (EINVAL); 362 } 363 364 static int 365 siis_setup_intr(device_t dev, device_t child, struct resource *irq, 366 int flags, driver_filter_t *filter, driver_intr_t *function, 367 void *argument, void **cookiep) 368 { 369 struct siis_controller *ctlr = device_get_softc(dev); 370 int unit = (intptr_t)device_get_ivars(child); 371 372 if (filter != NULL) { 373 printf("siis.c: we cannot use a filter here\n"); 374 return (EINVAL); 375 } 376 ctlr->interrupt[unit].function = function; 377 ctlr->interrupt[unit].argument = argument; 378 return (0); 379 } 380 381 static int 382 siis_teardown_intr(device_t dev, device_t child, struct resource *irq, 383 void *cookie) 384 { 385 struct siis_controller *ctlr = device_get_softc(dev); 386 int unit = (intptr_t)device_get_ivars(child); 387 388 ctlr->interrupt[unit].function = NULL; 389 ctlr->interrupt[unit].argument = NULL; 390 return (0); 391 } 392 393 static int 394 siis_print_child(device_t dev, device_t child) 395 { 396 int retval; 397 398 retval = bus_print_child_header(dev, child); 399 retval += printf(" at channel %d", 400 (int)(intptr_t)device_get_ivars(child)); 401 retval += bus_print_child_footer(dev, child); 402 403 return (retval); 404 } 405 406 static int 407 siis_child_location(device_t dev, device_t child, struct sbuf *sb) 408 { 409 410 sbuf_printf(sb, "channel=%d", 411 (int)(intptr_t)device_get_ivars(child)); 412 return (0); 413 } 414 415 static bus_dma_tag_t 416 siis_get_dma_tag(device_t bus, device_t child) 417 { 418 419 return (bus_get_dma_tag(bus)); 420 } 421 422 static device_method_t siis_methods[] = { 423 DEVMETHOD(device_probe, siis_probe), 424 DEVMETHOD(device_attach, siis_attach), 425 DEVMETHOD(device_detach, siis_detach), 426 DEVMETHOD(device_suspend, siis_suspend), 427 DEVMETHOD(device_resume, siis_resume), 428 DEVMETHOD(bus_print_child, siis_print_child), 429 DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 430 DEVMETHOD(bus_release_resource, siis_release_resource), 431 DEVMETHOD(bus_setup_intr, siis_setup_intr), 432 DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 433 DEVMETHOD(bus_child_location, siis_child_location), 434 DEVMETHOD(bus_get_dma_tag, siis_get_dma_tag), 435 { 0, 0 } 436 }; 437 438 static driver_t siis_driver = { 439 "siis", 440 siis_methods, 441 sizeof(struct siis_controller) 442 }; 443 444 DRIVER_MODULE(siis, pci, siis_driver, 0, 0); 445 MODULE_VERSION(siis, 1); 446 MODULE_DEPEND(siis, cam, 1, 1, 1); 447 448 static int 449 siis_ch_probe(device_t dev) 450 { 451 452 device_set_desc_copy(dev, "SIIS channel"); 453 return (BUS_PROBE_DEFAULT); 454 } 455 456 static int 457 siis_ch_attach(device_t dev) 458 { 459 struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 460 struct siis_channel *ch = device_get_softc(dev); 461 struct cam_devq *devq; 462 int rid, error, i, sata_rev = 0; 463 464 ch->dev = dev; 465 ch->unit = (intptr_t)device_get_ivars(dev); 466 ch->quirks = ctlr->quirks; 467 ch->pm_level = 0; 468 resource_int_value(device_get_name(dev), 469 device_get_unit(dev), "pm_level", &ch->pm_level); 470 resource_int_value(device_get_name(dev), 471 device_get_unit(dev), "sata_rev", &sata_rev); 472 for (i = 0; i < 16; i++) { 473 ch->user[i].revision = sata_rev; 474 ch->user[i].mode = 0; 475 ch->user[i].bytecount = 8192; 476 ch->user[i].tags = SIIS_MAX_SLOTS; 477 ch->curr[i] = ch->user[i]; 478 if (ch->pm_level) 479 ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ; 480 ch->user[i].caps |= CTS_SATA_CAPS_H_AN; 481 } 482 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 483 rid = ch->unit; 484 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 485 &rid, RF_ACTIVE))) 486 return (ENXIO); 487 siis_dmainit(dev); 488 siis_slotsalloc(dev); 489 siis_ch_init(dev); 490 mtx_lock(&ch->mtx); 491 rid = ATA_IRQ_RID; 492 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 493 &rid, RF_SHAREABLE | RF_ACTIVE))) { 494 device_printf(dev, "Unable to map interrupt\n"); 495 error = ENXIO; 496 goto err0; 497 } 498 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 499 siis_ch_intr_locked, dev, &ch->ih))) { 500 device_printf(dev, "Unable to setup interrupt\n"); 501 error = ENXIO; 502 goto err1; 503 } 504 /* Create the device queue for our SIM. */ 505 devq = cam_simq_alloc(SIIS_MAX_SLOTS); 506 if (devq == NULL) { 507 device_printf(dev, "Unable to allocate simq\n"); 508 error = ENOMEM; 509 goto err1; 510 } 511 /* Construct SIM entry */ 512 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 513 device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 514 if (ch->sim == NULL) { 515 cam_simq_free(devq); 516 device_printf(dev, "unable to allocate sim\n"); 517 error = ENOMEM; 518 goto err1; 519 } 520 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 521 device_printf(dev, "unable to register xpt bus\n"); 522 error = ENXIO; 523 goto err2; 524 } 525 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 526 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 527 device_printf(dev, "unable to create path\n"); 528 error = ENXIO; 529 goto err3; 530 } 531 mtx_unlock(&ch->mtx); 532 ch->led = led_create(siis_ch_led, dev, device_get_nameunit(dev)); 533 return (0); 534 535 err3: 536 xpt_bus_deregister(cam_sim_path(ch->sim)); 537 err2: 538 cam_sim_free(ch->sim, /*free_devq*/TRUE); 539 err1: 540 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 541 err0: 542 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 543 mtx_unlock(&ch->mtx); 544 mtx_destroy(&ch->mtx); 545 return (error); 546 } 547 548 static int 549 siis_ch_detach(device_t dev) 550 { 551 struct siis_channel *ch = device_get_softc(dev); 552 553 led_destroy(ch->led); 554 mtx_lock(&ch->mtx); 555 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 556 xpt_free_path(ch->path); 557 xpt_bus_deregister(cam_sim_path(ch->sim)); 558 cam_sim_free(ch->sim, /*free_devq*/TRUE); 559 mtx_unlock(&ch->mtx); 560 561 bus_teardown_intr(dev, ch->r_irq, ch->ih); 562 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 563 564 siis_ch_deinit(dev); 565 siis_slotsfree(dev); 566 siis_dmafini(dev); 567 568 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 569 mtx_destroy(&ch->mtx); 570 return (0); 571 } 572 573 static int 574 siis_ch_init(device_t dev) 575 { 576 struct siis_channel *ch = device_get_softc(dev); 577 578 /* Get port out of reset state. */ 579 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 580 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 581 if (ch->pm_present) 582 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 583 else 584 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 585 /* Enable port interrupts */ 586 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 587 return (0); 588 } 589 590 static int 591 siis_ch_deinit(device_t dev) 592 { 593 struct siis_channel *ch = device_get_softc(dev); 594 595 /* Put port into reset state. */ 596 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 597 return (0); 598 } 599 600 static int 601 siis_ch_suspend(device_t dev) 602 { 603 struct siis_channel *ch = device_get_softc(dev); 604 605 mtx_lock(&ch->mtx); 606 xpt_freeze_simq(ch->sim, 1); 607 while (ch->oslots) 608 msleep(ch, &ch->mtx, PRIBIO, "siissusp", hz/100); 609 siis_ch_deinit(dev); 610 mtx_unlock(&ch->mtx); 611 return (0); 612 } 613 614 static int 615 siis_ch_resume(device_t dev) 616 { 617 struct siis_channel *ch = device_get_softc(dev); 618 619 mtx_lock(&ch->mtx); 620 siis_ch_init(dev); 621 siis_reset(dev); 622 xpt_release_simq(ch->sim, TRUE); 623 mtx_unlock(&ch->mtx); 624 return (0); 625 } 626 627 static device_method_t siisch_methods[] = { 628 DEVMETHOD(device_probe, siis_ch_probe), 629 DEVMETHOD(device_attach, siis_ch_attach), 630 DEVMETHOD(device_detach, siis_ch_detach), 631 DEVMETHOD(device_suspend, siis_ch_suspend), 632 DEVMETHOD(device_resume, siis_ch_resume), 633 { 0, 0 } 634 }; 635 636 static driver_t siisch_driver = { 637 "siisch", 638 siisch_methods, 639 sizeof(struct siis_channel) 640 }; 641 642 DRIVER_MODULE(siisch, siis, siisch_driver, 0, 0); 643 644 static void 645 siis_ch_led(void *priv, int onoff) 646 { 647 device_t dev; 648 struct siis_channel *ch; 649 650 dev = (device_t)priv; 651 ch = device_get_softc(dev); 652 653 if (onoff == 0) 654 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_LED_ON); 655 else 656 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_LED_ON); 657 } 658 659 struct siis_dc_cb_args { 660 bus_addr_t maddr; 661 int error; 662 }; 663 664 static void 665 siis_dmainit(device_t dev) 666 { 667 struct siis_channel *ch = device_get_softc(dev); 668 struct siis_dc_cb_args dcba; 669 670 /* Command area. */ 671 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 672 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 673 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 674 0, NULL, NULL, &ch->dma.work_tag)) 675 goto error; 676 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 677 &ch->dma.work_map)) 678 goto error; 679 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 680 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 681 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 682 goto error; 683 } 684 ch->dma.work_bus = dcba.maddr; 685 /* Data area. */ 686 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 687 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 688 NULL, NULL, 689 SIIS_SG_ENTRIES * PAGE_SIZE, SIIS_SG_ENTRIES, 0xFFFFFFFF, 690 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 691 goto error; 692 } 693 return; 694 695 error: 696 device_printf(dev, "WARNING - DMA initialization failed\n"); 697 siis_dmafini(dev); 698 } 699 700 static void 701 siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 702 { 703 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 704 705 if (!(dcba->error = error)) 706 dcba->maddr = segs[0].ds_addr; 707 } 708 709 static void 710 siis_dmafini(device_t dev) 711 { 712 struct siis_channel *ch = device_get_softc(dev); 713 714 if (ch->dma.data_tag) { 715 bus_dma_tag_destroy(ch->dma.data_tag); 716 ch->dma.data_tag = NULL; 717 } 718 if (ch->dma.work_bus) { 719 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 720 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 721 ch->dma.work_bus = 0; 722 ch->dma.work_map = NULL; 723 ch->dma.work = NULL; 724 } 725 if (ch->dma.work_tag) { 726 bus_dma_tag_destroy(ch->dma.work_tag); 727 ch->dma.work_tag = NULL; 728 } 729 } 730 731 static void 732 siis_slotsalloc(device_t dev) 733 { 734 struct siis_channel *ch = device_get_softc(dev); 735 int i; 736 737 /* Alloc and setup command/dma slots */ 738 bzero(ch->slot, sizeof(ch->slot)); 739 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 740 struct siis_slot *slot = &ch->slot[i]; 741 742 slot->dev = dev; 743 slot->slot = i; 744 slot->state = SIIS_SLOT_EMPTY; 745 slot->prb_offset = SIIS_PRB_SIZE * i; 746 slot->ccb = NULL; 747 callout_init_mtx(&slot->timeout, &ch->mtx, 0); 748 749 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 750 device_printf(ch->dev, "FAILURE - create data_map\n"); 751 } 752 } 753 754 static void 755 siis_slotsfree(device_t dev) 756 { 757 struct siis_channel *ch = device_get_softc(dev); 758 int i; 759 760 /* Free all dma slots */ 761 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 762 struct siis_slot *slot = &ch->slot[i]; 763 764 callout_drain(&slot->timeout); 765 if (slot->dma.data_map) { 766 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 767 slot->dma.data_map = NULL; 768 } 769 } 770 } 771 772 static void 773 siis_notify_events(device_t dev) 774 { 775 struct siis_channel *ch = device_get_softc(dev); 776 struct cam_path *dpath; 777 u_int32_t status; 778 int i; 779 780 if (ch->quirks & SIIS_Q_SNTF) { 781 status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 782 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 783 } else { 784 /* 785 * Without SNTF we have no idea which device sent notification. 786 * If PMP is connected, assume it, else - device. 787 */ 788 status = (ch->pm_present) ? 0x8000 : 0x0001; 789 } 790 if (bootverbose) 791 device_printf(dev, "SNTF 0x%04x\n", status); 792 for (i = 0; i < 16; i++) { 793 if ((status & (1 << i)) == 0) 794 continue; 795 if (xpt_create_path(&dpath, NULL, 796 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 797 xpt_async(AC_SCSI_AEN, dpath, NULL); 798 xpt_free_path(dpath); 799 } 800 } 801 802 } 803 804 static void 805 siis_phy_check_events(device_t dev) 806 { 807 struct siis_channel *ch = device_get_softc(dev); 808 809 /* If we have a connection event, deal with it */ 810 if (ch->pm_level == 0) { 811 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 812 union ccb *ccb; 813 814 if (bootverbose) { 815 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 816 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 817 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 818 device_printf(dev, "CONNECT requested\n"); 819 } else 820 device_printf(dev, "DISCONNECT requested\n"); 821 } 822 siis_reset(dev); 823 if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 824 return; 825 if (xpt_create_path(&ccb->ccb_h.path, NULL, 826 cam_sim_path(ch->sim), 827 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 828 xpt_free_ccb(ccb); 829 return; 830 } 831 xpt_rescan(ccb); 832 } 833 } 834 835 static void 836 siis_ch_intr_locked(void *data) 837 { 838 device_t dev = (device_t)data; 839 struct siis_channel *ch = device_get_softc(dev); 840 841 mtx_lock(&ch->mtx); 842 siis_ch_intr(data); 843 mtx_unlock(&ch->mtx); 844 } 845 846 static void 847 siis_ch_intr(void *data) 848 { 849 device_t dev = (device_t)data; 850 struct siis_channel *ch = device_get_softc(dev); 851 uint32_t istatus, sstatus, ctx, estatus, ok; 852 enum siis_err_type et; 853 int i, ccs, port, tslots; 854 855 mtx_assert(&ch->mtx, MA_OWNED); 856 /* Read command statuses. */ 857 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 858 ok = ch->rslots & ~sstatus; 859 /* Complete all successful commands. */ 860 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 861 if ((ok >> i) & 1) 862 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 863 } 864 /* Do we have any other events? */ 865 if ((sstatus & SIIS_P_SS_ATTN) == 0) 866 return; 867 /* Read and clear interrupt statuses. */ 868 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 869 (0xFFFF & ~SIIS_P_IX_COMMCOMP); 870 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 871 /* Process PHY events */ 872 if (istatus & SIIS_P_IX_PHYRDYCHG) 873 siis_phy_check_events(dev); 874 /* Process NOTIFY events */ 875 if (istatus & SIIS_P_IX_SDBN) 876 siis_notify_events(dev); 877 /* Process command errors */ 878 if (istatus & SIIS_P_IX_COMMERR) { 879 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 880 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 881 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 882 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 883 //device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 884 // __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 885 // ATA_INL(ch->r_mem, SIIS_P_SERR)); 886 887 if (!ch->recoverycmd && !ch->recovery) { 888 xpt_freeze_simq(ch->sim, ch->numrslots); 889 ch->recovery = 1; 890 } 891 if (ch->frozen) { 892 union ccb *fccb = ch->frozen; 893 ch->frozen = NULL; 894 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 895 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 896 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 897 xpt_freeze_devq(fccb->ccb_h.path, 1); 898 fccb->ccb_h.status |= CAM_DEV_QFRZN; 899 } 900 xpt_done(fccb); 901 } 902 if (estatus == SIIS_P_CMDERR_DEV || 903 estatus == SIIS_P_CMDERR_SDB || 904 estatus == SIIS_P_CMDERR_DATAFIS) { 905 tslots = ch->numtslots[port]; 906 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 907 /* XXX: requests in loading state. */ 908 if (((ch->rslots >> i) & 1) == 0) 909 continue; 910 if (ch->slot[i].ccb->ccb_h.target_id != port) 911 continue; 912 if (tslots == 0) { 913 /* Untagged operation. */ 914 if (i == ccs) 915 et = SIIS_ERR_TFE; 916 else 917 et = SIIS_ERR_INNOCENT; 918 } else { 919 /* Tagged operation. */ 920 et = SIIS_ERR_NCQ; 921 } 922 siis_end_transaction(&ch->slot[i], et); 923 } 924 /* 925 * We can't reinit port if there are some other 926 * commands active, use resume to complete them. 927 */ 928 if (ch->rslots != 0 && !ch->recoverycmd) 929 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 930 } else { 931 if (estatus == SIIS_P_CMDERR_SENDFIS || 932 estatus == SIIS_P_CMDERR_INCSTATE || 933 estatus == SIIS_P_CMDERR_PPE || 934 estatus == SIIS_P_CMDERR_SERVICE) { 935 et = SIIS_ERR_SATA; 936 } else 937 et = SIIS_ERR_INVALID; 938 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 939 /* XXX: requests in loading state. */ 940 if (((ch->rslots >> i) & 1) == 0) 941 continue; 942 siis_end_transaction(&ch->slot[i], et); 943 } 944 } 945 } 946 } 947 948 /* Must be called with channel locked. */ 949 static int 950 siis_check_collision(device_t dev, union ccb *ccb) 951 { 952 struct siis_channel *ch = device_get_softc(dev); 953 954 mtx_assert(&ch->mtx, MA_OWNED); 955 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 956 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 957 /* Tagged command while we have no supported tag free. */ 958 if (((~ch->oslots) & (0x7fffffff >> (31 - 959 ch->curr[ccb->ccb_h.target_id].tags))) == 0) 960 return (1); 961 } 962 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 963 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 964 /* Atomic command while anything active. */ 965 if (ch->numrslots != 0) 966 return (1); 967 } 968 /* We have some atomic command running. */ 969 if (ch->aslots != 0) 970 return (1); 971 return (0); 972 } 973 974 /* Must be called with channel locked. */ 975 static void 976 siis_begin_transaction(device_t dev, union ccb *ccb) 977 { 978 struct siis_channel *ch = device_get_softc(dev); 979 struct siis_slot *slot; 980 int tag, tags; 981 982 mtx_assert(&ch->mtx, MA_OWNED); 983 /* Choose empty slot. */ 984 tags = SIIS_MAX_SLOTS; 985 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 986 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 987 tags = ch->curr[ccb->ccb_h.target_id].tags; 988 tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 989 /* Occupy chosen slot. */ 990 slot = &ch->slot[tag]; 991 slot->ccb = ccb; 992 /* Update channel stats. */ 993 ch->oslots |= (1 << slot->slot); 994 ch->numrslots++; 995 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 996 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 997 ch->numtslots[ccb->ccb_h.target_id]++; 998 } 999 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1000 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 1001 ch->aslots |= (1 << slot->slot); 1002 slot->dma.nsegs = 0; 1003 /* If request moves data, setup and load SG list */ 1004 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1005 slot->state = SIIS_SLOT_LOADING; 1006 bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map, 1007 ccb, siis_dmasetprd, slot, 0); 1008 } else 1009 siis_execute_transaction(slot); 1010 } 1011 1012 /* Locked by busdma engine. */ 1013 static void 1014 siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1015 { 1016 struct siis_slot *slot = arg; 1017 struct siis_channel *ch = device_get_softc(slot->dev); 1018 struct siis_cmd *ctp; 1019 struct siis_dma_prd *prd; 1020 int i; 1021 1022 mtx_assert(&ch->mtx, MA_OWNED); 1023 if (error) { 1024 device_printf(slot->dev, "DMA load error\n"); 1025 if (!ch->recoverycmd) 1026 xpt_freeze_simq(ch->sim, 1); 1027 siis_end_transaction(slot, SIIS_ERR_INVALID); 1028 return; 1029 } 1030 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 1031 slot->dma.nsegs = nsegs; 1032 if (nsegs != 0) { 1033 /* Get a piece of the workspace for this request */ 1034 ctp = (struct siis_cmd *)(ch->dma.work + slot->prb_offset); 1035 /* Fill S/G table */ 1036 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 1037 prd = &ctp->u.ata.prd[0]; 1038 else 1039 prd = &ctp->u.atapi.prd[0]; 1040 for (i = 0; i < nsegs; i++) { 1041 prd[i].dba = htole64(segs[i].ds_addr); 1042 prd[i].dbc = htole32(segs[i].ds_len); 1043 prd[i].control = 0; 1044 } 1045 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 1046 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1047 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 1048 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 1049 } 1050 siis_execute_transaction(slot); 1051 } 1052 1053 /* Must be called with channel locked. */ 1054 static void 1055 siis_execute_transaction(struct siis_slot *slot) 1056 { 1057 device_t dev = slot->dev; 1058 struct siis_channel *ch = device_get_softc(dev); 1059 struct siis_cmd *ctp; 1060 union ccb *ccb = slot->ccb; 1061 u_int64_t prb_bus; 1062 1063 mtx_assert(&ch->mtx, MA_OWNED); 1064 /* Get a piece of the workspace for this request */ 1065 ctp = (struct siis_cmd *)(ch->dma.work + slot->prb_offset); 1066 ctp->control = 0; 1067 ctp->protocol_override = 0; 1068 ctp->transfer_count = 0; 1069 /* Special handling for Soft Reset command. */ 1070 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1071 if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) { 1072 ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 1073 } else { 1074 ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE); 1075 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1076 ctp->protocol_override |= 1077 htole16(SIIS_PRB_PROTO_NCQ); 1078 } 1079 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1080 ctp->protocol_override |= 1081 htole16(SIIS_PRB_PROTO_READ); 1082 } else 1083 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1084 ctp->protocol_override |= 1085 htole16(SIIS_PRB_PROTO_WRITE); 1086 } 1087 } 1088 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1089 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1090 ctp->control |= htole16(SIIS_PRB_PACKET_READ); 1091 else 1092 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1093 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 1094 } 1095 /* Special handling for Soft Reset command. */ 1096 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1097 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1098 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1099 /* Kick controller into sane state */ 1100 siis_portinit(dev); 1101 } 1102 /* Setup the FIS for this request */ 1103 if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1104 device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1105 if (!ch->recoverycmd) 1106 xpt_freeze_simq(ch->sim, 1); 1107 siis_end_transaction(slot, SIIS_ERR_INVALID); 1108 return; 1109 } 1110 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1111 BUS_DMASYNC_PREWRITE); 1112 /* Issue command to the controller. */ 1113 slot->state = SIIS_SLOT_RUNNING; 1114 ch->rslots |= (1 << slot->slot); 1115 prb_bus = ch->dma.work_bus + slot->prb_offset; 1116 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1117 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1118 /* Start command execution timeout */ 1119 callout_reset_sbt(&slot->timeout, SBT_1MS * ccb->ccb_h.timeout, 0, 1120 siis_timeout, slot, 0); 1121 return; 1122 } 1123 1124 /* Must be called with channel locked. */ 1125 static void 1126 siis_process_timeout(device_t dev) 1127 { 1128 struct siis_channel *ch = device_get_softc(dev); 1129 int i; 1130 1131 mtx_assert(&ch->mtx, MA_OWNED); 1132 if (!ch->recoverycmd && !ch->recovery) { 1133 xpt_freeze_simq(ch->sim, ch->numrslots); 1134 ch->recovery = 1; 1135 } 1136 /* Handle the rest of commands. */ 1137 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1138 /* Do we have a running request on slot? */ 1139 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1140 continue; 1141 siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1142 } 1143 } 1144 1145 /* Must be called with channel locked. */ 1146 static void 1147 siis_rearm_timeout(device_t dev) 1148 { 1149 struct siis_channel *ch = device_get_softc(dev); 1150 int i; 1151 1152 mtx_assert(&ch->mtx, MA_OWNED); 1153 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1154 struct siis_slot *slot = &ch->slot[i]; 1155 1156 /* Do we have a running request on slot? */ 1157 if (slot->state < SIIS_SLOT_RUNNING) 1158 continue; 1159 if ((ch->toslots & (1 << i)) == 0) 1160 continue; 1161 callout_reset_sbt(&slot->timeout, 1162 SBT_1MS * slot->ccb->ccb_h.timeout, 0, 1163 siis_timeout, slot, 0); 1164 } 1165 } 1166 1167 /* Locked by callout mechanism. */ 1168 static void 1169 siis_timeout(void *arg) 1170 { 1171 struct siis_slot *slot = arg; 1172 device_t dev = slot->dev; 1173 struct siis_channel *ch = device_get_softc(dev); 1174 union ccb *ccb = slot->ccb; 1175 1176 mtx_assert(&ch->mtx, MA_OWNED); 1177 /* Check for stale timeout. */ 1178 if (slot->state < SIIS_SLOT_RUNNING) 1179 return; 1180 1181 /* Handle soft-reset timeouts without doing hard-reset. */ 1182 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1183 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1184 (ccb->ataio.cmd.control & ATA_A_RESET)) { 1185 xpt_freeze_simq(ch->sim, ch->numrslots); 1186 siis_end_transaction(slot, SIIS_ERR_TFE); 1187 return; 1188 } 1189 1190 device_printf(dev, "Timeout on slot %d\n", slot->slot); 1191 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1192 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), 1193 ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1194 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1195 ATA_INL(ch->r_mem, SIIS_P_SERR)); 1196 1197 if (ch->toslots == 0) 1198 xpt_freeze_simq(ch->sim, 1); 1199 ch->toslots |= (1 << slot->slot); 1200 if ((ch->rslots & ~ch->toslots) == 0) 1201 siis_process_timeout(dev); 1202 else 1203 device_printf(dev, " ... waiting for slots %08x\n", 1204 ch->rslots & ~ch->toslots); 1205 } 1206 1207 /* Must be called with channel locked. */ 1208 static void 1209 siis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1210 { 1211 device_t dev = slot->dev; 1212 struct siis_channel *ch = device_get_softc(dev); 1213 union ccb *ccb = slot->ccb; 1214 int lastto; 1215 1216 mtx_assert(&ch->mtx, MA_OWNED); 1217 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1218 BUS_DMASYNC_POSTWRITE); 1219 /* Read result registers to the result struct 1220 * May be incorrect if several commands finished same time, 1221 * so read only when sure or have to. 1222 */ 1223 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1224 struct ata_res *res = &ccb->ataio.res; 1225 if ((et == SIIS_ERR_TFE) || 1226 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1227 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1228 1229 res->status = ATA_INB(ch->r_mem, offs + 2); 1230 res->error = ATA_INB(ch->r_mem, offs + 3); 1231 res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1232 res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1233 res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1234 res->device = ATA_INB(ch->r_mem, offs + 7); 1235 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1236 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1237 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1238 res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1239 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1240 } else 1241 bzero(res, sizeof(*res)); 1242 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1243 ch->numrslots == 1) { 1244 ccb->ataio.resid = ccb->ataio.dxfer_len - 1245 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1246 } 1247 } else { 1248 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1249 ch->numrslots == 1) { 1250 ccb->csio.resid = ccb->csio.dxfer_len - 1251 ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1252 } 1253 } 1254 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1255 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1256 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1257 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1258 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1259 } 1260 /* Set proper result status. */ 1261 if (et != SIIS_ERR_NONE || ch->recovery) { 1262 ch->eslots |= (1 << slot->slot); 1263 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1264 } 1265 /* In case of error, freeze device for proper recovery. */ 1266 if (et != SIIS_ERR_NONE && (!ch->recoverycmd) && 1267 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1268 xpt_freeze_devq(ccb->ccb_h.path, 1); 1269 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1270 } 1271 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1272 switch (et) { 1273 case SIIS_ERR_NONE: 1274 ccb->ccb_h.status |= CAM_REQ_CMP; 1275 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1276 ccb->csio.scsi_status = SCSI_STATUS_OK; 1277 break; 1278 case SIIS_ERR_INVALID: 1279 ch->fatalerr = 1; 1280 ccb->ccb_h.status |= CAM_REQ_INVALID; 1281 break; 1282 case SIIS_ERR_INNOCENT: 1283 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1284 break; 1285 case SIIS_ERR_TFE: 1286 case SIIS_ERR_NCQ: 1287 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1288 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1289 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1290 } else { 1291 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1292 } 1293 break; 1294 case SIIS_ERR_SATA: 1295 ch->fatalerr = 1; 1296 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1297 break; 1298 case SIIS_ERR_TIMEOUT: 1299 ch->fatalerr = 1; 1300 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1301 break; 1302 default: 1303 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1304 } 1305 /* Free slot. */ 1306 ch->oslots &= ~(1 << slot->slot); 1307 ch->rslots &= ~(1 << slot->slot); 1308 ch->aslots &= ~(1 << slot->slot); 1309 slot->state = SIIS_SLOT_EMPTY; 1310 slot->ccb = NULL; 1311 /* Update channel stats. */ 1312 ch->numrslots--; 1313 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1314 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1315 ch->numtslots[ccb->ccb_h.target_id]--; 1316 } 1317 /* Cancel timeout state if request completed normally. */ 1318 if (et != SIIS_ERR_TIMEOUT) { 1319 lastto = (ch->toslots == (1 << slot->slot)); 1320 ch->toslots &= ~(1 << slot->slot); 1321 if (lastto) 1322 xpt_release_simq(ch->sim, TRUE); 1323 } 1324 /* If it was our READ LOG command - process it. */ 1325 if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) { 1326 siis_process_read_log(dev, ccb); 1327 /* If it was our REQUEST SENSE command - process it. */ 1328 } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) { 1329 siis_process_request_sense(dev, ccb); 1330 /* If it was NCQ or ATAPI command error, put result on hold. */ 1331 } else if (et == SIIS_ERR_NCQ || 1332 ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1333 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) { 1334 ch->hold[slot->slot] = ccb; 1335 ch->numhslots++; 1336 } else 1337 xpt_done(ccb); 1338 /* If we have no other active commands, ... */ 1339 if (ch->rslots == 0) { 1340 /* if there were timeouts or fatal error - reset port. */ 1341 if (ch->toslots != 0 || ch->fatalerr) { 1342 siis_reset(dev); 1343 } else { 1344 /* if we have slots in error, we can reinit port. */ 1345 if (ch->eslots != 0) 1346 siis_portinit(dev); 1347 /* if there commands on hold, we can do recovery. */ 1348 if (!ch->recoverycmd && ch->numhslots) 1349 siis_issue_recovery(dev); 1350 } 1351 /* If all the reset of commands are in timeout - abort them. */ 1352 } else if ((ch->rslots & ~ch->toslots) == 0 && 1353 et != SIIS_ERR_TIMEOUT) 1354 siis_rearm_timeout(dev); 1355 /* Unfreeze frozen command. */ 1356 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1357 union ccb *fccb = ch->frozen; 1358 ch->frozen = NULL; 1359 siis_begin_transaction(dev, fccb); 1360 xpt_release_simq(ch->sim, TRUE); 1361 } 1362 } 1363 1364 static void 1365 siis_issue_recovery(device_t dev) 1366 { 1367 struct siis_channel *ch = device_get_softc(dev); 1368 union ccb *ccb; 1369 struct ccb_ataio *ataio; 1370 struct ccb_scsiio *csio; 1371 int i; 1372 1373 /* Find some held command. */ 1374 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1375 if (ch->hold[i]) 1376 break; 1377 } 1378 if (i == SIIS_MAX_SLOTS) 1379 return; 1380 ccb = xpt_alloc_ccb_nowait(); 1381 if (ccb == NULL) { 1382 device_printf(dev, "Unable to allocate recovery command\n"); 1383 completeall: 1384 /* We can't do anything -- complete held commands. */ 1385 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1386 if (ch->hold[i] == NULL) 1387 continue; 1388 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1389 ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL; 1390 xpt_done(ch->hold[i]); 1391 ch->hold[i] = NULL; 1392 ch->numhslots--; 1393 } 1394 siis_reset(dev); 1395 return; 1396 } 1397 xpt_setup_ccb(&ccb->ccb_h, ch->hold[i]->ccb_h.path, 1398 ch->hold[i]->ccb_h.pinfo.priority); 1399 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1400 /* READ LOG */ 1401 ccb->ccb_h.recovery_type = RECOVERY_READ_LOG; 1402 ccb->ccb_h.func_code = XPT_ATA_IO; 1403 ccb->ccb_h.flags = CAM_DIR_IN; 1404 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1405 ataio = &ccb->ataio; 1406 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1407 if (ataio->data_ptr == NULL) { 1408 xpt_free_ccb(ccb); 1409 device_printf(dev, 1410 "Unable to allocate memory for READ LOG command\n"); 1411 goto completeall; 1412 } 1413 ataio->dxfer_len = 512; 1414 bzero(&ataio->cmd, sizeof(ataio->cmd)); 1415 ataio->cmd.flags = CAM_ATAIO_48BIT; 1416 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1417 ataio->cmd.sector_count = 1; 1418 ataio->cmd.sector_count_exp = 0; 1419 ataio->cmd.lba_low = 0x10; 1420 ataio->cmd.lba_mid = 0; 1421 ataio->cmd.lba_mid_exp = 0; 1422 } else { 1423 /* REQUEST SENSE */ 1424 ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE; 1425 ccb->ccb_h.recovery_slot = i; 1426 ccb->ccb_h.func_code = XPT_SCSI_IO; 1427 ccb->ccb_h.flags = CAM_DIR_IN; 1428 ccb->ccb_h.status = 0; 1429 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1430 csio = &ccb->csio; 1431 csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data; 1432 csio->dxfer_len = ch->hold[i]->csio.sense_len; 1433 csio->cdb_len = 6; 1434 bzero(&csio->cdb_io, sizeof(csio->cdb_io)); 1435 csio->cdb_io.cdb_bytes[0] = 0x03; 1436 csio->cdb_io.cdb_bytes[4] = csio->dxfer_len; 1437 } 1438 ch->recoverycmd = 1; 1439 siis_begin_transaction(dev, ccb); 1440 } 1441 1442 static void 1443 siis_process_read_log(device_t dev, union ccb *ccb) 1444 { 1445 struct siis_channel *ch = device_get_softc(dev); 1446 uint8_t *data; 1447 struct ata_res *res; 1448 int i; 1449 1450 ch->recoverycmd = 0; 1451 data = ccb->ataio.data_ptr; 1452 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1453 (data[0] & 0x80) == 0) { 1454 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1455 if (!ch->hold[i]) 1456 continue; 1457 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1458 continue; 1459 if ((data[0] & 0x1F) == i) { 1460 res = &ch->hold[i]->ataio.res; 1461 res->status = data[2]; 1462 res->error = data[3]; 1463 res->lba_low = data[4]; 1464 res->lba_mid = data[5]; 1465 res->lba_high = data[6]; 1466 res->device = data[7]; 1467 res->lba_low_exp = data[8]; 1468 res->lba_mid_exp = data[9]; 1469 res->lba_high_exp = data[10]; 1470 res->sector_count = data[12]; 1471 res->sector_count_exp = data[13]; 1472 } else { 1473 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1474 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1475 } 1476 xpt_done(ch->hold[i]); 1477 ch->hold[i] = NULL; 1478 ch->numhslots--; 1479 } 1480 } else { 1481 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1482 device_printf(dev, "Error while READ LOG EXT\n"); 1483 else if ((data[0] & 0x80) == 0) { 1484 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1485 } 1486 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1487 if (!ch->hold[i]) 1488 continue; 1489 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1490 continue; 1491 xpt_done(ch->hold[i]); 1492 ch->hold[i] = NULL; 1493 ch->numhslots--; 1494 } 1495 } 1496 free(ccb->ataio.data_ptr, M_SIIS); 1497 xpt_free_ccb(ccb); 1498 } 1499 1500 static void 1501 siis_process_request_sense(device_t dev, union ccb *ccb) 1502 { 1503 struct siis_channel *ch = device_get_softc(dev); 1504 int i; 1505 1506 ch->recoverycmd = 0; 1507 1508 i = ccb->ccb_h.recovery_slot; 1509 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1510 ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID; 1511 } else { 1512 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1513 ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1514 } 1515 xpt_done(ch->hold[i]); 1516 ch->hold[i] = NULL; 1517 ch->numhslots--; 1518 xpt_free_ccb(ccb); 1519 } 1520 1521 static void 1522 siis_portinit(device_t dev) 1523 { 1524 struct siis_channel *ch = device_get_softc(dev); 1525 int i; 1526 1527 ch->eslots = 0; 1528 ch->recovery = 0; 1529 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1530 for (i = 0; i < 16; i++) { 1531 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1532 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1533 } 1534 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1535 siis_wait_ready(dev, 1000); 1536 } 1537 1538 static int 1539 siis_devreset(device_t dev) 1540 { 1541 struct siis_channel *ch = device_get_softc(dev); 1542 int timeout = 0; 1543 uint32_t val; 1544 1545 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1546 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1547 SIIS_P_CTL_DEV_RESET) != 0) { 1548 DELAY(100); 1549 if (timeout++ > 1000) { 1550 device_printf(dev, "device reset stuck " 1551 "(timeout 100ms) status = %08x\n", val); 1552 return (EBUSY); 1553 } 1554 } 1555 return (0); 1556 } 1557 1558 static int 1559 siis_wait_ready(device_t dev, int t) 1560 { 1561 struct siis_channel *ch = device_get_softc(dev); 1562 int timeout = 0; 1563 uint32_t val; 1564 1565 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1566 SIIS_P_CTL_READY) == 0) { 1567 DELAY(1000); 1568 if (timeout++ > t) { 1569 device_printf(dev, "port is not ready (timeout %dms) " 1570 "status = %08x\n", t, val); 1571 return (EBUSY); 1572 } 1573 } 1574 return (0); 1575 } 1576 1577 static void 1578 siis_reset(device_t dev) 1579 { 1580 struct siis_channel *ch = device_get_softc(dev); 1581 int i, retry = 0, sata_rev; 1582 uint32_t val; 1583 1584 xpt_freeze_simq(ch->sim, 1); 1585 if (bootverbose) 1586 device_printf(dev, "SIIS reset...\n"); 1587 if (!ch->recoverycmd && !ch->recovery) 1588 xpt_freeze_simq(ch->sim, ch->numrslots); 1589 /* Requeue frozen command. */ 1590 if (ch->frozen) { 1591 union ccb *fccb = ch->frozen; 1592 ch->frozen = NULL; 1593 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1594 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1595 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1596 xpt_freeze_devq(fccb->ccb_h.path, 1); 1597 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1598 } 1599 xpt_done(fccb); 1600 } 1601 /* Requeue all running commands. */ 1602 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1603 /* Do we have a running request on slot? */ 1604 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1605 continue; 1606 /* XXX; Commands in loading state. */ 1607 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1608 } 1609 /* Finish all held commands as-is. */ 1610 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1611 if (!ch->hold[i]) 1612 continue; 1613 xpt_done(ch->hold[i]); 1614 ch->hold[i] = NULL; 1615 ch->numhslots--; 1616 } 1617 if (ch->toslots != 0) 1618 xpt_release_simq(ch->sim, TRUE); 1619 ch->eslots = 0; 1620 ch->recovery = 0; 1621 ch->toslots = 0; 1622 ch->fatalerr = 0; 1623 /* Disable port interrupts */ 1624 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1625 /* Set speed limit. */ 1626 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1627 if (sata_rev == 1) 1628 val = ATA_SC_SPD_SPEED_GEN1; 1629 else if (sata_rev == 2) 1630 val = ATA_SC_SPD_SPEED_GEN2; 1631 else if (sata_rev == 3) 1632 val = ATA_SC_SPD_SPEED_GEN3; 1633 else 1634 val = 0; 1635 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1636 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1637 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1638 retry: 1639 siis_devreset(dev); 1640 /* Reset and reconnect PHY, */ 1641 if (!siis_sata_connect(ch)) { 1642 ch->devices = 0; 1643 /* Enable port interrupts */ 1644 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1645 if (bootverbose) 1646 device_printf(dev, 1647 "SIIS reset done: phy reset found no device\n"); 1648 /* Tell the XPT about the event */ 1649 xpt_async(AC_BUS_RESET, ch->path, NULL); 1650 xpt_release_simq(ch->sim, TRUE); 1651 return; 1652 } 1653 /* Wait for port ready status. */ 1654 if (siis_wait_ready(dev, 1000)) { 1655 device_printf(dev, "port ready timeout\n"); 1656 if (!retry) { 1657 device_printf(dev, "trying full port reset ...\n"); 1658 /* Get port to the reset state. */ 1659 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1660 DELAY(10000); 1661 /* Get port out of reset state. */ 1662 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1663 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1664 if (ch->pm_present) 1665 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1666 else 1667 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1668 siis_wait_ready(dev, 5000); 1669 retry = 1; 1670 goto retry; 1671 } 1672 } 1673 ch->devices = 1; 1674 /* Enable port interrupts */ 1675 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1676 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1677 if (bootverbose) 1678 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1679 /* Tell the XPT about the event */ 1680 xpt_async(AC_BUS_RESET, ch->path, NULL); 1681 xpt_release_simq(ch->sim, TRUE); 1682 } 1683 1684 static int 1685 siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1686 { 1687 struct siis_channel *ch = device_get_softc(dev); 1688 u_int8_t *fis = &ctp->fis[0]; 1689 1690 bzero(fis, 24); 1691 fis[0] = 0x27; /* host to device */ 1692 fis[1] = (ccb->ccb_h.target_id & 0x0f); 1693 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1694 fis[1] |= 0x80; 1695 fis[2] = ATA_PACKET_CMD; 1696 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1697 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1698 fis[3] = ATA_F_DMA; 1699 else { 1700 fis[5] = ccb->csio.dxfer_len; 1701 fis[6] = ccb->csio.dxfer_len >> 8; 1702 } 1703 fis[7] = ATA_D_LBA; 1704 fis[15] = ATA_A_4BIT; 1705 bzero(ctp->u.atapi.ccb, 16); 1706 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1707 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1708 ctp->u.atapi.ccb, ccb->csio.cdb_len); 1709 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1710 fis[1] |= 0x80; 1711 fis[2] = ccb->ataio.cmd.command; 1712 fis[3] = ccb->ataio.cmd.features; 1713 fis[4] = ccb->ataio.cmd.lba_low; 1714 fis[5] = ccb->ataio.cmd.lba_mid; 1715 fis[6] = ccb->ataio.cmd.lba_high; 1716 fis[7] = ccb->ataio.cmd.device; 1717 fis[8] = ccb->ataio.cmd.lba_low_exp; 1718 fis[9] = ccb->ataio.cmd.lba_mid_exp; 1719 fis[10] = ccb->ataio.cmd.lba_high_exp; 1720 fis[11] = ccb->ataio.cmd.features_exp; 1721 fis[12] = ccb->ataio.cmd.sector_count; 1722 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1723 fis[12] &= 0x07; 1724 fis[12] |= tag << 3; 1725 } 1726 fis[13] = ccb->ataio.cmd.sector_count_exp; 1727 if (ccb->ataio.ata_flags & ATA_FLAG_ICC) 1728 fis[14] = ccb->ataio.icc; 1729 fis[15] = ATA_A_4BIT; 1730 if (ccb->ataio.ata_flags & ATA_FLAG_AUX) { 1731 fis[16] = ccb->ataio.aux & 0xff; 1732 fis[17] = (ccb->ataio.aux >> 8) & 0xff; 1733 fis[18] = (ccb->ataio.aux >> 16) & 0xff; 1734 fis[19] = (ccb->ataio.aux >> 24) & 0xff; 1735 } 1736 } else { 1737 /* Soft reset. */ 1738 } 1739 return (20); 1740 } 1741 1742 static int 1743 siis_sata_connect(struct siis_channel *ch) 1744 { 1745 u_int32_t status; 1746 int timeout, found = 0; 1747 1748 /* Wait up to 100ms for "connect well" */ 1749 for (timeout = 0; timeout < 1000 ; timeout++) { 1750 status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1751 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE) 1752 found = 1; 1753 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1754 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1755 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1756 break; 1757 if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) { 1758 if (bootverbose) { 1759 device_printf(ch->dev, "SATA offline status=%08x\n", 1760 status); 1761 } 1762 return (0); 1763 } 1764 if (found == 0 && timeout >= 100) 1765 break; 1766 DELAY(100); 1767 } 1768 if (timeout >= 1000 || !found) { 1769 if (bootverbose) { 1770 device_printf(ch->dev, 1771 "SATA connect timeout time=%dus status=%08x\n", 1772 timeout * 100, status); 1773 } 1774 return (0); 1775 } 1776 if (bootverbose) { 1777 device_printf(ch->dev, "SATA connect time=%dus status=%08x\n", 1778 timeout * 100, status); 1779 } 1780 /* Clear SATA error register */ 1781 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1782 return (1); 1783 } 1784 1785 static int 1786 siis_check_ids(device_t dev, union ccb *ccb) 1787 { 1788 1789 if (ccb->ccb_h.target_id > 15) { 1790 ccb->ccb_h.status = CAM_TID_INVALID; 1791 xpt_done(ccb); 1792 return (-1); 1793 } 1794 if (ccb->ccb_h.target_lun != 0) { 1795 ccb->ccb_h.status = CAM_LUN_INVALID; 1796 xpt_done(ccb); 1797 return (-1); 1798 } 1799 return (0); 1800 } 1801 1802 static void 1803 siisaction(struct cam_sim *sim, union ccb *ccb) 1804 { 1805 device_t dev, parent; 1806 struct siis_channel *ch; 1807 1808 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1809 ccb->ccb_h.func_code)); 1810 1811 ch = (struct siis_channel *)cam_sim_softc(sim); 1812 dev = ch->dev; 1813 mtx_assert(&ch->mtx, MA_OWNED); 1814 switch (ccb->ccb_h.func_code) { 1815 /* Common cases first */ 1816 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1817 case XPT_SCSI_IO: 1818 if (siis_check_ids(dev, ccb)) 1819 return; 1820 if (ch->devices == 0 || 1821 (ch->pm_present == 0 && 1822 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { 1823 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1824 break; 1825 } 1826 ccb->ccb_h.recovery_type = RECOVERY_NONE; 1827 /* Check for command collision. */ 1828 if (siis_check_collision(dev, ccb)) { 1829 /* Freeze command. */ 1830 ch->frozen = ccb; 1831 /* We have only one frozen slot, so freeze simq also. */ 1832 xpt_freeze_simq(ch->sim, 1); 1833 return; 1834 } 1835 siis_begin_transaction(dev, ccb); 1836 return; 1837 case XPT_ABORT: /* Abort the specified CCB */ 1838 /* XXX Implement */ 1839 ccb->ccb_h.status = CAM_REQ_INVALID; 1840 break; 1841 case XPT_SET_TRAN_SETTINGS: 1842 { 1843 struct ccb_trans_settings *cts = &ccb->cts; 1844 struct siis_device *d; 1845 1846 if (siis_check_ids(dev, ccb)) 1847 return; 1848 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1849 d = &ch->curr[ccb->ccb_h.target_id]; 1850 else 1851 d = &ch->user[ccb->ccb_h.target_id]; 1852 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1853 d->revision = cts->xport_specific.sata.revision; 1854 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1855 d->mode = cts->xport_specific.sata.mode; 1856 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1857 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1858 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1859 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1860 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1861 ch->pm_present = cts->xport_specific.sata.pm_present; 1862 if (ch->pm_present) 1863 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1864 else 1865 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1866 } 1867 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1868 d->atapi = cts->xport_specific.sata.atapi; 1869 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1870 d->caps = cts->xport_specific.sata.caps; 1871 ccb->ccb_h.status = CAM_REQ_CMP; 1872 break; 1873 } 1874 case XPT_GET_TRAN_SETTINGS: 1875 /* Get default/user set transfer settings for the target */ 1876 { 1877 struct ccb_trans_settings *cts = &ccb->cts; 1878 struct siis_device *d; 1879 uint32_t status; 1880 1881 if (siis_check_ids(dev, ccb)) 1882 return; 1883 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1884 d = &ch->curr[ccb->ccb_h.target_id]; 1885 else 1886 d = &ch->user[ccb->ccb_h.target_id]; 1887 cts->protocol = PROTO_UNSPECIFIED; 1888 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1889 cts->transport = XPORT_SATA; 1890 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1891 cts->proto_specific.valid = 0; 1892 cts->xport_specific.sata.valid = 0; 1893 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1894 (ccb->ccb_h.target_id == 15 || 1895 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1896 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1897 if (status & 0x0f0) { 1898 cts->xport_specific.sata.revision = 1899 (status & 0x0f0) >> 4; 1900 cts->xport_specific.sata.valid |= 1901 CTS_SATA_VALID_REVISION; 1902 } 1903 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; 1904 if (ch->pm_level) 1905 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; 1906 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; 1907 cts->xport_specific.sata.caps &= 1908 ch->user[ccb->ccb_h.target_id].caps; 1909 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1910 } else { 1911 cts->xport_specific.sata.revision = d->revision; 1912 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1913 cts->xport_specific.sata.caps = d->caps; 1914 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1915 (ch->quirks & SIIS_Q_SNTF) == 0) 1916 cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; 1917 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1918 } 1919 cts->xport_specific.sata.mode = d->mode; 1920 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1921 cts->xport_specific.sata.bytecount = d->bytecount; 1922 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1923 cts->xport_specific.sata.pm_present = ch->pm_present; 1924 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1925 cts->xport_specific.sata.tags = d->tags; 1926 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1927 cts->xport_specific.sata.atapi = d->atapi; 1928 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1929 ccb->ccb_h.status = CAM_REQ_CMP; 1930 break; 1931 } 1932 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1933 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1934 siis_reset(dev); 1935 ccb->ccb_h.status = CAM_REQ_CMP; 1936 break; 1937 case XPT_TERM_IO: /* Terminate the I/O process */ 1938 /* XXX Implement */ 1939 ccb->ccb_h.status = CAM_REQ_INVALID; 1940 break; 1941 case XPT_PATH_INQ: /* Path routing inquiry */ 1942 { 1943 struct ccb_pathinq *cpi = &ccb->cpi; 1944 1945 parent = device_get_parent(dev); 1946 cpi->version_num = 1; /* XXX??? */ 1947 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1948 cpi->hba_inquiry |= PI_SATAPM; 1949 cpi->target_sprt = 0; 1950 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | PIM_ATA_EXT; 1951 cpi->hba_eng_cnt = 0; 1952 cpi->max_target = 15; 1953 cpi->max_lun = 0; 1954 cpi->initiator_id = 0; 1955 cpi->bus_id = cam_sim_bus(sim); 1956 cpi->base_transfer_speed = 150000; 1957 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1958 strlcpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1959 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1960 cpi->unit_number = cam_sim_unit(sim); 1961 cpi->transport = XPORT_SATA; 1962 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1963 cpi->protocol = PROTO_ATA; 1964 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1965 cpi->maxio = maxphys; 1966 cpi->hba_vendor = pci_get_vendor(parent); 1967 cpi->hba_device = pci_get_device(parent); 1968 cpi->hba_subvendor = pci_get_subvendor(parent); 1969 cpi->hba_subdevice = pci_get_subdevice(parent); 1970 cpi->ccb_h.status = CAM_REQ_CMP; 1971 break; 1972 } 1973 default: 1974 ccb->ccb_h.status = CAM_REQ_INVALID; 1975 break; 1976 } 1977 xpt_done(ccb); 1978 } 1979 1980 static void 1981 siispoll(struct cam_sim *sim) 1982 { 1983 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1984 1985 siis_ch_intr(ch->dev); 1986 } 1987