siis.c revision 200223
1/*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/dev/siis/siis.c 200223 2009-12-07 18:37:50Z mav $"); 29 30#include <sys/param.h> 31#include <sys/module.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/ata.h> 35#include <sys/bus.h> 36#include <sys/endian.h> 37#include <sys/malloc.h> 38#include <sys/lock.h> 39#include <sys/mutex.h> 40#include <sys/sema.h> 41#include <sys/taskqueue.h> 42#include <vm/uma.h> 43#include <machine/stdarg.h> 44#include <machine/resource.h> 45#include <machine/bus.h> 46#include <sys/rman.h> 47#include <dev/pci/pcivar.h> 48#include <dev/pci/pcireg.h> 49#include "siis.h" 50 51#include <cam/cam.h> 52#include <cam/cam_ccb.h> 53#include <cam/cam_sim.h> 54#include <cam/cam_xpt_sim.h> 55#include <cam/cam_xpt_periph.h> 56#include <cam/cam_debug.h> 57 58/* local prototypes */ 59static int siis_setup_interrupt(device_t dev); 60static void siis_intr(void *data); 61static int siis_suspend(device_t dev); 62static int siis_resume(device_t dev); 63static int siis_ch_suspend(device_t dev); 64static int siis_ch_resume(device_t dev); 65static void siis_ch_intr_locked(void *data); 66static void siis_ch_intr(void *data); 67static void siis_begin_transaction(device_t dev, union ccb *ccb); 68static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 69static void siis_execute_transaction(struct siis_slot *slot); 70static void siis_timeout(struct siis_slot *slot); 71static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 72static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 73static void siis_dmainit(device_t dev); 74static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 75static void siis_dmafini(device_t dev); 76static void siis_slotsalloc(device_t dev); 77static void siis_slotsfree(device_t dev); 78static void siis_reset(device_t dev); 79static void siis_portinit(device_t dev); 80static int siis_wait_ready(device_t dev, int t); 81 82static int siis_sata_connect(struct siis_channel *ch); 83 84static void siis_issue_read_log(device_t dev); 85static void siis_process_read_log(device_t dev, union ccb *ccb); 86 87static void siisaction(struct cam_sim *sim, union ccb *ccb); 88static void siispoll(struct cam_sim *sim); 89 90MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 91 92static struct { 93 uint32_t id; 94 const char *name; 95 int ports; 96 int quirks; 97#define SIIS_Q_SNTF 1 98} siis_ids[] = { 99 {0x31241095, "SiI3124", 4, 0}, 100 {0x31248086, "SiI3124", 4, 0}, 101 {0x31321095, "SiI3132", 2, SIIS_Q_SNTF}, 102 {0x02421095, "SiI3132", 2, SIIS_Q_SNTF}, 103 {0x02441095, "SiI3132", 2, SIIS_Q_SNTF}, 104 {0x31311095, "SiI3131", 1, SIIS_Q_SNTF}, 105 {0x35311095, "SiI3531", 1, SIIS_Q_SNTF}, 106 {0, NULL, 0, 0} 107}; 108 109static int 110siis_probe(device_t dev) 111{ 112 char buf[64]; 113 int i; 114 uint32_t devid = pci_get_devid(dev); 115 116 for (i = 0; siis_ids[i].id != 0; i++) { 117 if (siis_ids[i].id == devid) { 118 snprintf(buf, sizeof(buf), "%s SATA controller", 119 siis_ids[i].name); 120 device_set_desc_copy(dev, buf); 121 return (BUS_PROBE_VENDOR); 122 } 123 } 124 return (ENXIO); 125} 126 127static int 128siis_attach(device_t dev) 129{ 130 struct siis_controller *ctlr = device_get_softc(dev); 131 uint32_t devid = pci_get_devid(dev); 132 device_t child; 133 int error, i, unit; 134 135 ctlr->dev = dev; 136 for (i = 0; siis_ids[i].id != 0; i++) { 137 if (siis_ids[i].id == devid) 138 break; 139 } 140 ctlr->quirks = siis_ids[i].quirks; 141 /* Global memory */ 142 ctlr->r_grid = PCIR_BAR(0); 143 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 144 &ctlr->r_grid, RF_ACTIVE))) 145 return (ENXIO); 146 ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 147 /* Channels memory */ 148 ctlr->r_rid = PCIR_BAR(2); 149 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 150 &ctlr->r_rid, RF_ACTIVE))) 151 return (ENXIO); 152 /* Setup our own memory management for channels. */ 153 ctlr->sc_iomem.rm_type = RMAN_ARRAY; 154 ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 155 if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 156 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 157 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 158 return (error); 159 } 160 if ((error = rman_manage_region(&ctlr->sc_iomem, 161 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 162 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 163 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 164 rman_fini(&ctlr->sc_iomem); 165 return (error); 166 } 167 /* Reset controller */ 168 siis_resume(dev); 169 /* Number of HW channels */ 170 ctlr->channels = siis_ids[i].ports; 171 /* Setup interrupts. */ 172 if (siis_setup_interrupt(dev)) { 173 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 174 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 175 rman_fini(&ctlr->sc_iomem); 176 return ENXIO; 177 } 178 /* Attach all channels on this controller */ 179 for (unit = 0; unit < ctlr->channels; unit++) { 180 child = device_add_child(dev, "siisch", -1); 181 if (child == NULL) 182 device_printf(dev, "failed to add channel device\n"); 183 else 184 device_set_ivars(child, (void *)(intptr_t)unit); 185 } 186 bus_generic_attach(dev); 187 return 0; 188} 189 190static int 191siis_detach(device_t dev) 192{ 193 struct siis_controller *ctlr = device_get_softc(dev); 194 device_t *children; 195 int nchildren, i; 196 197 /* Detach & delete all children */ 198 if (!device_get_children(dev, &children, &nchildren)) { 199 for (i = 0; i < nchildren; i++) 200 device_delete_child(dev, children[i]); 201 free(children, M_TEMP); 202 } 203 /* Free interrupts. */ 204 if (ctlr->irq.r_irq) { 205 bus_teardown_intr(dev, ctlr->irq.r_irq, 206 ctlr->irq.handle); 207 bus_release_resource(dev, SYS_RES_IRQ, 208 ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 209 } 210 pci_release_msi(dev); 211 /* Free memory. */ 212 rman_fini(&ctlr->sc_iomem); 213 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 214 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 215 return (0); 216} 217 218static int 219siis_suspend(device_t dev) 220{ 221 struct siis_controller *ctlr = device_get_softc(dev); 222 223 bus_generic_suspend(dev); 224 /* Put controller into reset state. */ 225 ctlr->gctl |= SIIS_GCTL_GRESET; 226 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 227 return 0; 228} 229 230static int 231siis_resume(device_t dev) 232{ 233 struct siis_controller *ctlr = device_get_softc(dev); 234 235 /* Put controller into reset state. */ 236 ctlr->gctl |= SIIS_GCTL_GRESET; 237 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 238 DELAY(10000); 239 /* Get controller out of reset state and enable port interrupts. */ 240 ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 241 ctlr->gctl |= 0x0000000f; 242 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 243 return (bus_generic_resume(dev)); 244} 245 246static int 247siis_setup_interrupt(device_t dev) 248{ 249 struct siis_controller *ctlr = device_get_softc(dev); 250 int msi = 0; 251 252 /* Process hints. */ 253 resource_int_value(device_get_name(dev), 254 device_get_unit(dev), "msi", &msi); 255 if (msi < 0) 256 msi = 0; 257 else if (msi > 0) 258 msi = min(1, pci_msi_count(dev)); 259 /* Allocate MSI if needed/present. */ 260 if (msi && pci_alloc_msi(dev, &msi) != 0) 261 msi = 0; 262 /* Allocate all IRQs. */ 263 ctlr->irq.r_irq_rid = msi ? 1 : 0; 264 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 265 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 266 device_printf(dev, "unable to map interrupt\n"); 267 return ENXIO; 268 } 269 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 270 siis_intr, ctlr, &ctlr->irq.handle))) { 271 /* SOS XXX release r_irq */ 272 device_printf(dev, "unable to setup interrupt\n"); 273 return ENXIO; 274 } 275 return (0); 276} 277 278/* 279 * Common case interrupt handler. 280 */ 281static void 282siis_intr(void *data) 283{ 284 struct siis_controller *ctlr = (struct siis_controller *)data; 285 u_int32_t is; 286 void *arg; 287 int unit; 288 289 is = ATA_INL(ctlr->r_gmem, SIIS_IS); 290 for (unit = 0; unit < ctlr->channels; unit++) { 291 if ((is & SIIS_IS_PORT(unit)) != 0 && 292 (arg = ctlr->interrupt[unit].argument)) { 293 ctlr->interrupt[unit].function(arg); 294 } 295 } 296 /* Acknowledge interrupt, if MSI enabled. */ 297 if (ctlr->irq.r_irq_rid) { 298 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 299 ctlr->gctl | SIIS_GCTL_MSIACK); 300 } 301} 302 303static struct resource * 304siis_alloc_resource(device_t dev, device_t child, int type, int *rid, 305 u_long start, u_long end, u_long count, u_int flags) 306{ 307 struct siis_controller *ctlr = device_get_softc(dev); 308 int unit = ((struct siis_channel *)device_get_softc(child))->unit; 309 struct resource *res = NULL; 310 int offset = unit << 13; 311 long st; 312 313 switch (type) { 314 case SYS_RES_MEMORY: 315 st = rman_get_start(ctlr->r_mem); 316 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 317 st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 318 if (res) { 319 bus_space_handle_t bsh; 320 bus_space_tag_t bst; 321 bsh = rman_get_bushandle(ctlr->r_mem); 322 bst = rman_get_bustag(ctlr->r_mem); 323 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 324 rman_set_bushandle(res, bsh); 325 rman_set_bustag(res, bst); 326 } 327 break; 328 case SYS_RES_IRQ: 329 if (*rid == ATA_IRQ_RID) 330 res = ctlr->irq.r_irq; 331 break; 332 } 333 return (res); 334} 335 336static int 337siis_release_resource(device_t dev, device_t child, int type, int rid, 338 struct resource *r) 339{ 340 341 switch (type) { 342 case SYS_RES_MEMORY: 343 rman_release_resource(r); 344 return (0); 345 case SYS_RES_IRQ: 346 if (rid != ATA_IRQ_RID) 347 return ENOENT; 348 return (0); 349 } 350 return (EINVAL); 351} 352 353static int 354siis_setup_intr(device_t dev, device_t child, struct resource *irq, 355 int flags, driver_filter_t *filter, driver_intr_t *function, 356 void *argument, void **cookiep) 357{ 358 struct siis_controller *ctlr = device_get_softc(dev); 359 int unit = (intptr_t)device_get_ivars(child); 360 361 if (filter != NULL) { 362 printf("siis.c: we cannot use a filter here\n"); 363 return (EINVAL); 364 } 365 ctlr->interrupt[unit].function = function; 366 ctlr->interrupt[unit].argument = argument; 367 return (0); 368} 369 370static int 371siis_teardown_intr(device_t dev, device_t child, struct resource *irq, 372 void *cookie) 373{ 374 struct siis_controller *ctlr = device_get_softc(dev); 375 int unit = (intptr_t)device_get_ivars(child); 376 377 ctlr->interrupt[unit].function = NULL; 378 ctlr->interrupt[unit].argument = NULL; 379 return (0); 380} 381 382static int 383siis_print_child(device_t dev, device_t child) 384{ 385 int retval; 386 387 retval = bus_print_child_header(dev, child); 388 retval += printf(" at channel %d", 389 (int)(intptr_t)device_get_ivars(child)); 390 retval += bus_print_child_footer(dev, child); 391 392 return (retval); 393} 394 395devclass_t siis_devclass; 396static device_method_t siis_methods[] = { 397 DEVMETHOD(device_probe, siis_probe), 398 DEVMETHOD(device_attach, siis_attach), 399 DEVMETHOD(device_detach, siis_detach), 400 DEVMETHOD(device_suspend, siis_suspend), 401 DEVMETHOD(device_resume, siis_resume), 402 DEVMETHOD(bus_print_child, siis_print_child), 403 DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 404 DEVMETHOD(bus_release_resource, siis_release_resource), 405 DEVMETHOD(bus_setup_intr, siis_setup_intr), 406 DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 407 { 0, 0 } 408}; 409static driver_t siis_driver = { 410 "siis", 411 siis_methods, 412 sizeof(struct siis_controller) 413}; 414DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 415MODULE_VERSION(siis, 1); 416MODULE_DEPEND(siis, cam, 1, 1, 1); 417 418static int 419siis_ch_probe(device_t dev) 420{ 421 422 device_set_desc_copy(dev, "SIIS channel"); 423 return (0); 424} 425 426static int 427siis_ch_attach(device_t dev) 428{ 429 struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 430 struct siis_channel *ch = device_get_softc(dev); 431 struct cam_devq *devq; 432 int rid, error, i, sata_rev = 0; 433 434 ch->dev = dev; 435 ch->unit = (intptr_t)device_get_ivars(dev); 436 ch->quirks = ctlr->quirks; 437 resource_int_value(device_get_name(dev), 438 device_get_unit(dev), "pm_level", &ch->pm_level); 439 resource_int_value(device_get_name(dev), 440 device_get_unit(dev), "sata_rev", &sata_rev); 441 for (i = 0; i < 16; i++) { 442 ch->user[i].revision = sata_rev; 443 ch->user[i].mode = 0; 444 ch->user[i].bytecount = 8192; 445 ch->user[i].tags = SIIS_MAX_SLOTS; 446 ch->curr[i] = ch->user[i]; 447 } 448 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 449 rid = ch->unit; 450 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 451 &rid, RF_ACTIVE))) 452 return (ENXIO); 453 siis_dmainit(dev); 454 siis_slotsalloc(dev); 455 siis_ch_resume(dev); 456 mtx_lock(&ch->mtx); 457 rid = ATA_IRQ_RID; 458 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 459 &rid, RF_SHAREABLE | RF_ACTIVE))) { 460 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 461 device_printf(dev, "Unable to map interrupt\n"); 462 return (ENXIO); 463 } 464 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 465 siis_ch_intr_locked, dev, &ch->ih))) { 466 device_printf(dev, "Unable to setup interrupt\n"); 467 error = ENXIO; 468 goto err1; 469 } 470 /* Create the device queue for our SIM. */ 471 devq = cam_simq_alloc(SIIS_MAX_SLOTS); 472 if (devq == NULL) { 473 device_printf(dev, "Unable to allocate simq\n"); 474 error = ENOMEM; 475 goto err1; 476 } 477 /* Construct SIM entry */ 478 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 479 device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 480 if (ch->sim == NULL) { 481 device_printf(dev, "unable to allocate sim\n"); 482 error = ENOMEM; 483 goto err2; 484 } 485 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 486 device_printf(dev, "unable to register xpt bus\n"); 487 error = ENXIO; 488 goto err2; 489 } 490 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 491 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 492 device_printf(dev, "unable to create path\n"); 493 error = ENXIO; 494 goto err3; 495 } 496 mtx_unlock(&ch->mtx); 497 return (0); 498 499err3: 500 xpt_bus_deregister(cam_sim_path(ch->sim)); 501err2: 502 cam_sim_free(ch->sim, /*free_devq*/TRUE); 503err1: 504 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 505 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 506 mtx_unlock(&ch->mtx); 507 return (error); 508} 509 510static int 511siis_ch_detach(device_t dev) 512{ 513 struct siis_channel *ch = device_get_softc(dev); 514 515 mtx_lock(&ch->mtx); 516 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 517 xpt_free_path(ch->path); 518 xpt_bus_deregister(cam_sim_path(ch->sim)); 519 cam_sim_free(ch->sim, /*free_devq*/TRUE); 520 mtx_unlock(&ch->mtx); 521 522 bus_teardown_intr(dev, ch->r_irq, ch->ih); 523 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 524 525 siis_ch_suspend(dev); 526 siis_slotsfree(dev); 527 siis_dmafini(dev); 528 529 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 530 mtx_destroy(&ch->mtx); 531 return (0); 532} 533 534static int 535siis_ch_suspend(device_t dev) 536{ 537 struct siis_channel *ch = device_get_softc(dev); 538 539 /* Put port into reset state. */ 540 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 541 return (0); 542} 543 544static int 545siis_ch_resume(device_t dev) 546{ 547 struct siis_channel *ch = device_get_softc(dev); 548 549 /* Get port out of reset state. */ 550 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 551 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 552 if (ch->pm_present) 553 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 554 else 555 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 556 /* Enable port interrupts */ 557 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 558 return (0); 559} 560 561devclass_t siisch_devclass; 562static device_method_t siisch_methods[] = { 563 DEVMETHOD(device_probe, siis_ch_probe), 564 DEVMETHOD(device_attach, siis_ch_attach), 565 DEVMETHOD(device_detach, siis_ch_detach), 566 DEVMETHOD(device_suspend, siis_ch_suspend), 567 DEVMETHOD(device_resume, siis_ch_resume), 568 { 0, 0 } 569}; 570static driver_t siisch_driver = { 571 "siisch", 572 siisch_methods, 573 sizeof(struct siis_channel) 574}; 575DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 576 577struct siis_dc_cb_args { 578 bus_addr_t maddr; 579 int error; 580}; 581 582static void 583siis_dmainit(device_t dev) 584{ 585 struct siis_channel *ch = device_get_softc(dev); 586 struct siis_dc_cb_args dcba; 587 588 /* Command area. */ 589 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 590 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 591 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 592 0, NULL, NULL, &ch->dma.work_tag)) 593 goto error; 594 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 595 &ch->dma.work_map)) 596 goto error; 597 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 598 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 599 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 600 goto error; 601 } 602 ch->dma.work_bus = dcba.maddr; 603 /* Data area. */ 604 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 605 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 606 NULL, NULL, 607 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 608 SIIS_SG_ENTRIES, 0xFFFFFFFF, 609 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 610 goto error; 611 } 612 return; 613 614error: 615 device_printf(dev, "WARNING - DMA initialization failed\n"); 616 siis_dmafini(dev); 617} 618 619static void 620siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 621{ 622 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 623 624 if (!(dcba->error = error)) 625 dcba->maddr = segs[0].ds_addr; 626} 627 628static void 629siis_dmafini(device_t dev) 630{ 631 struct siis_channel *ch = device_get_softc(dev); 632 633 if (ch->dma.data_tag) { 634 bus_dma_tag_destroy(ch->dma.data_tag); 635 ch->dma.data_tag = NULL; 636 } 637 if (ch->dma.work_bus) { 638 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 639 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 640 ch->dma.work_bus = 0; 641 ch->dma.work_map = NULL; 642 ch->dma.work = NULL; 643 } 644 if (ch->dma.work_tag) { 645 bus_dma_tag_destroy(ch->dma.work_tag); 646 ch->dma.work_tag = NULL; 647 } 648} 649 650static void 651siis_slotsalloc(device_t dev) 652{ 653 struct siis_channel *ch = device_get_softc(dev); 654 int i; 655 656 /* Alloc and setup command/dma slots */ 657 bzero(ch->slot, sizeof(ch->slot)); 658 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 659 struct siis_slot *slot = &ch->slot[i]; 660 661 slot->dev = dev; 662 slot->slot = i; 663 slot->state = SIIS_SLOT_EMPTY; 664 slot->ccb = NULL; 665 callout_init_mtx(&slot->timeout, &ch->mtx, 0); 666 667 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 668 device_printf(ch->dev, "FAILURE - create data_map\n"); 669 } 670} 671 672static void 673siis_slotsfree(device_t dev) 674{ 675 struct siis_channel *ch = device_get_softc(dev); 676 int i; 677 678 /* Free all dma slots */ 679 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 680 struct siis_slot *slot = &ch->slot[i]; 681 682 callout_drain(&slot->timeout); 683 if (slot->dma.data_map) { 684 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 685 slot->dma.data_map = NULL; 686 } 687 } 688} 689 690static void 691siis_notify_events(device_t dev) 692{ 693 struct siis_channel *ch = device_get_softc(dev); 694 struct cam_path *dpath; 695 u_int32_t status; 696 int i; 697 698 if (ch->quirks & SIIS_Q_SNTF) { 699 status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 700 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 701 } else { 702 /* 703 * Without SNTF we have no idea which device sent notification. 704 * If PMP is connected, assume it, else - device. 705 */ 706 status = (ch->pm_present) ? 0x8000 : 0x0001; 707 } 708 if (bootverbose) 709 device_printf(dev, "SNTF 0x%04x\n", status); 710 for (i = 0; i < 16; i++) { 711 if ((status & (1 << i)) == 0) 712 continue; 713 if (xpt_create_path(&dpath, NULL, 714 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 715 xpt_async(AC_SCSI_AEN, dpath, NULL); 716 xpt_free_path(dpath); 717 } 718 } 719 720} 721 722static void 723siis_phy_check_events(device_t dev) 724{ 725 struct siis_channel *ch = device_get_softc(dev); 726 727 /* If we have a connection event, deal with it */ 728 if (ch->pm_level == 0) { 729 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 730 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 731 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 732 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 733 if (bootverbose) 734 device_printf(dev, "CONNECT requested\n"); 735 siis_reset(dev); 736 } else { 737 if (bootverbose) 738 device_printf(dev, "DISCONNECT requested\n"); 739 ch->devices = 0; 740 } 741 } 742} 743 744static void 745siis_ch_intr_locked(void *data) 746{ 747 device_t dev = (device_t)data; 748 struct siis_channel *ch = device_get_softc(dev); 749 750 mtx_lock(&ch->mtx); 751 siis_ch_intr(data); 752 mtx_unlock(&ch->mtx); 753} 754 755static void 756siis_ch_intr(void *data) 757{ 758 device_t dev = (device_t)data; 759 struct siis_channel *ch = device_get_softc(dev); 760 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 761 enum siis_err_type et; 762 int i, ccs, port, tslots; 763 764 mtx_assert(&ch->mtx, MA_OWNED); 765 /* Read command statuses. */ 766 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 767 ok = ch->rslots & ~sstatus; 768 /* Complete all successfull commands. */ 769 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 770 if ((ok >> i) & 1) 771 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 772 } 773 /* Do we have any other events? */ 774 if ((sstatus & SIIS_P_SS_ATTN) == 0) 775 return; 776 /* Read and clear interrupt statuses. */ 777 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 778 (0xFFFF & ~SIIS_P_IX_COMMCOMP); 779 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 780 /* Process PHY events */ 781 if (istatus & SIIS_P_IX_PHYRDYCHG) 782 siis_phy_check_events(dev); 783 /* Process NOTIFY events */ 784 if (istatus & SIIS_P_IX_SDBN) 785 siis_notify_events(dev); 786 /* Process command errors */ 787 if (istatus & SIIS_P_IX_COMMERR) { 788 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 789 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 790 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 791 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 792 err = ch->rslots & sstatus; 793//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 794// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 795// ATA_INL(ch->r_mem, SIIS_P_SERR)); 796 797 if (!ch->readlog && !ch->recovery) { 798 xpt_freeze_simq(ch->sim, ch->numrslots); 799 ch->recovery = 1; 800 } 801 if (ch->frozen) { 802 union ccb *fccb = ch->frozen; 803 ch->frozen = NULL; 804 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 805 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 806 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 807 xpt_freeze_devq(fccb->ccb_h.path, 1); 808 fccb->ccb_h.status |= CAM_DEV_QFRZN; 809 } 810 xpt_done(fccb); 811 } 812 if (estatus == SIIS_P_CMDERR_DEV || 813 estatus == SIIS_P_CMDERR_SDB || 814 estatus == SIIS_P_CMDERR_DATAFIS) { 815 tslots = ch->numtslots[port]; 816 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 817 /* XXX: requests in loading state. */ 818 if (((ch->rslots >> i) & 1) == 0) 819 continue; 820 if (ch->slot[i].ccb->ccb_h.target_id != port) 821 continue; 822 if (tslots == 0) { 823 /* Untagged operation. */ 824 if (i == ccs) 825 et = SIIS_ERR_TFE; 826 else 827 et = SIIS_ERR_INNOCENT; 828 } else { 829 /* Tagged operation. */ 830 et = SIIS_ERR_NCQ; 831 } 832 siis_end_transaction(&ch->slot[i], et); 833 } 834 /* 835 * We can't reinit port if there are some other 836 * commands active, use resume to complete them. 837 */ 838 if (ch->rslots != 0) 839 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 840 } else { 841 if (estatus == SIIS_P_CMDERR_SENDFIS || 842 estatus == SIIS_P_CMDERR_INCSTATE || 843 estatus == SIIS_P_CMDERR_PPE || 844 estatus == SIIS_P_CMDERR_SERVICE) { 845 et = SIIS_ERR_SATA; 846 } else 847 et = SIIS_ERR_INVALID; 848 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 849 /* XXX: requests in loading state. */ 850 if (((ch->rslots >> i) & 1) == 0) 851 continue; 852 siis_end_transaction(&ch->slot[i], et); 853 } 854 } 855 } 856} 857 858/* Must be called with channel locked. */ 859static int 860siis_check_collision(device_t dev, union ccb *ccb) 861{ 862 struct siis_channel *ch = device_get_softc(dev); 863 864 mtx_assert(&ch->mtx, MA_OWNED); 865 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 866 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 867 /* Tagged command while we have no supported tag free. */ 868 if (((~ch->oslots) & (0x7fffffff >> (31 - 869 ch->curr[ccb->ccb_h.target_id].tags))) == 0) 870 return (1); 871 } 872 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 873 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 874 /* Atomic command while anything active. */ 875 if (ch->numrslots != 0) 876 return (1); 877 } 878 /* We have some atomic command running. */ 879 if (ch->aslots != 0) 880 return (1); 881 return (0); 882} 883 884/* Must be called with channel locked. */ 885static void 886siis_begin_transaction(device_t dev, union ccb *ccb) 887{ 888 struct siis_channel *ch = device_get_softc(dev); 889 struct siis_slot *slot; 890 int tag, tags; 891 892 mtx_assert(&ch->mtx, MA_OWNED); 893 /* Choose empty slot. */ 894 tags = SIIS_MAX_SLOTS; 895 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 896 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 897 tags = ch->curr[ccb->ccb_h.target_id].tags; 898 tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 899 /* Occupy chosen slot. */ 900 slot = &ch->slot[tag]; 901 slot->ccb = ccb; 902 /* Update channel stats. */ 903 ch->oslots |= (1 << slot->slot); 904 ch->numrslots++; 905 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 906 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 907 ch->numtslots[ccb->ccb_h.target_id]++; 908 } 909 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 910 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 911 ch->aslots |= (1 << slot->slot); 912 slot->dma.nsegs = 0; 913 /* If request moves data, setup and load SG list */ 914 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 915 void *buf; 916 bus_size_t size; 917 918 slot->state = SIIS_SLOT_LOADING; 919 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 920 buf = ccb->ataio.data_ptr; 921 size = ccb->ataio.dxfer_len; 922 } else { 923 buf = ccb->csio.data_ptr; 924 size = ccb->csio.dxfer_len; 925 } 926 bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 927 buf, size, siis_dmasetprd, slot, 0); 928 } else 929 siis_execute_transaction(slot); 930} 931 932/* Locked by busdma engine. */ 933static void 934siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 935{ 936 struct siis_slot *slot = arg; 937 struct siis_channel *ch = device_get_softc(slot->dev); 938 struct siis_cmd *ctp; 939 struct siis_dma_prd *prd; 940 int i; 941 942 mtx_assert(&ch->mtx, MA_OWNED); 943 if (error) { 944 device_printf(slot->dev, "DMA load error\n"); 945 if (!ch->readlog) 946 xpt_freeze_simq(ch->sim, 1); 947 siis_end_transaction(slot, SIIS_ERR_INVALID); 948 return; 949 } 950 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 951 /* Get a piece of the workspace for this request */ 952 ctp = (struct siis_cmd *) 953 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 954 /* Fill S/G table */ 955 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 956 prd = &ctp->u.ata.prd[0]; 957 else 958 prd = &ctp->u.atapi.prd[0]; 959 for (i = 0; i < nsegs; i++) { 960 prd[i].dba = htole64(segs[i].ds_addr); 961 prd[i].dbc = htole32(segs[i].ds_len); 962 prd[i].control = 0; 963 } 964 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 965 slot->dma.nsegs = nsegs; 966 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 967 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 968 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 969 siis_execute_transaction(slot); 970} 971 972/* Must be called with channel locked. */ 973static void 974siis_execute_transaction(struct siis_slot *slot) 975{ 976 device_t dev = slot->dev; 977 struct siis_channel *ch = device_get_softc(dev); 978 struct siis_cmd *ctp; 979 union ccb *ccb = slot->ccb; 980 u_int64_t prb_bus; 981 982 mtx_assert(&ch->mtx, MA_OWNED); 983 /* Get a piece of the workspace for this request */ 984 ctp = (struct siis_cmd *) 985 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 986 ctp->control = 0; 987 ctp->protocol_override = 0; 988 ctp->transfer_count = 0; 989 /* Special handling for Soft Reset command. */ 990 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 991 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) { 992 ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 993 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 994 if (ccb->ccb_h.flags & CAM_DIR_IN) 995 ctp->control |= htole16(SIIS_PRB_PACKET_READ); 996 if (ccb->ccb_h.flags & CAM_DIR_OUT) 997 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 998 } 999 /* Setup the FIS for this request */ 1000 if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1001 device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1002 if (!ch->readlog) 1003 xpt_freeze_simq(ch->sim, 1); 1004 siis_end_transaction(slot, SIIS_ERR_INVALID); 1005 return; 1006 } 1007 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1008 BUS_DMASYNC_PREWRITE); 1009 /* Issue command to the controller. */ 1010 slot->state = SIIS_SLOT_RUNNING; 1011 ch->rslots |= (1 << slot->slot); 1012 prb_bus = ch->dma.work_bus + 1013 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 1014 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1015 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1016 /* Start command execution timeout */ 1017 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 1018 (timeout_t*)siis_timeout, slot); 1019 return; 1020} 1021 1022/* Must be called with channel locked. */ 1023static void 1024siis_process_timeout(device_t dev) 1025{ 1026 struct siis_channel *ch = device_get_softc(dev); 1027 int i; 1028 1029 mtx_assert(&ch->mtx, MA_OWNED); 1030 if (!ch->readlog && !ch->recovery) { 1031 xpt_freeze_simq(ch->sim, ch->numrslots); 1032 ch->recovery = 1; 1033 } 1034 /* Handle the rest of commands. */ 1035 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1036 /* Do we have a running request on slot? */ 1037 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1038 continue; 1039 siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1040 } 1041} 1042 1043/* Locked by callout mechanism. */ 1044static void 1045siis_timeout(struct siis_slot *slot) 1046{ 1047 device_t dev = slot->dev; 1048 struct siis_channel *ch = device_get_softc(dev); 1049 1050 mtx_assert(&ch->mtx, MA_OWNED); 1051 /* Check for stale timeout. */ 1052 if (slot->state < SIIS_SLOT_RUNNING) 1053 return; 1054 device_printf(dev, "Timeout on slot %d\n", slot->slot); 1055device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1056 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1057 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1058 ATA_INL(ch->r_mem, SIIS_P_SERR)); 1059 1060 if (ch->toslots == 0) 1061 xpt_freeze_simq(ch->sim, 1); 1062 ch->toslots |= (1 << slot->slot); 1063 if ((ch->rslots & ~ch->toslots) == 0) 1064 siis_process_timeout(dev); 1065 else 1066 device_printf(dev, " ... waiting for slots %08x\n", 1067 ch->rslots & ~ch->toslots); 1068} 1069 1070/* Must be called with channel locked. */ 1071static void 1072siis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1073{ 1074 device_t dev = slot->dev; 1075 struct siis_channel *ch = device_get_softc(dev); 1076 union ccb *ccb = slot->ccb; 1077 1078 mtx_assert(&ch->mtx, MA_OWNED); 1079 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1080 BUS_DMASYNC_POSTWRITE); 1081 /* Read result registers to the result struct 1082 * May be incorrect if several commands finished same time, 1083 * so read only when sure or have to. 1084 */ 1085 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1086 struct ata_res *res = &ccb->ataio.res; 1087 if ((et == SIIS_ERR_TFE) || 1088 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1089 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1090 1091 res->status = ATA_INB(ch->r_mem, offs + 2); 1092 res->error = ATA_INB(ch->r_mem, offs + 3); 1093 res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1094 res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1095 res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1096 res->device = ATA_INB(ch->r_mem, offs + 7); 1097 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1098 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1099 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1100 res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1101 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1102 } else 1103 bzero(res, sizeof(*res)); 1104 } 1105 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1106 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1107 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1108 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1109 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1110 } 1111 /* Set proper result status. */ 1112 if (et != SIIS_ERR_NONE || ch->recovery) { 1113 ch->eslots |= (1 << slot->slot); 1114 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1115 } 1116 /* In case of error, freeze device for proper recovery. */ 1117 if (et != SIIS_ERR_NONE && 1118 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1119 xpt_freeze_devq(ccb->ccb_h.path, 1); 1120 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1121 } 1122 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1123 switch (et) { 1124 case SIIS_ERR_NONE: 1125 ccb->ccb_h.status |= CAM_REQ_CMP; 1126 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1127 ccb->csio.scsi_status = SCSI_STATUS_OK; 1128 break; 1129 case SIIS_ERR_INVALID: 1130 ch->fatalerr = 1; 1131 ccb->ccb_h.status |= CAM_REQ_INVALID; 1132 break; 1133 case SIIS_ERR_INNOCENT: 1134 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1135 break; 1136 case SIIS_ERR_TFE: 1137 case SIIS_ERR_NCQ: 1138 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1139 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1140 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1141 } else { 1142 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1143 } 1144 break; 1145 case SIIS_ERR_SATA: 1146 ch->fatalerr = 1; 1147 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1148 break; 1149 case SIIS_ERR_TIMEOUT: 1150 ch->fatalerr = 1; 1151 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1152 break; 1153 default: 1154 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1155 } 1156 /* Free slot. */ 1157 ch->oslots &= ~(1 << slot->slot); 1158 ch->rslots &= ~(1 << slot->slot); 1159 ch->aslots &= ~(1 << slot->slot); 1160 if (et != SIIS_ERR_TIMEOUT) { 1161 if (ch->toslots == (1 << slot->slot)) 1162 xpt_release_simq(ch->sim, TRUE); 1163 ch->toslots &= ~(1 << slot->slot); 1164 } 1165 slot->state = SIIS_SLOT_EMPTY; 1166 slot->ccb = NULL; 1167 /* Update channel stats. */ 1168 ch->numrslots--; 1169 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1170 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1171 ch->numtslots[ccb->ccb_h.target_id]--; 1172 } 1173 /* If it was our READ LOG command - process it. */ 1174 if (ch->readlog) { 1175 siis_process_read_log(dev, ccb); 1176 /* If it was NCQ command error, put result on hold. */ 1177 } else if (et == SIIS_ERR_NCQ) { 1178 ch->hold[slot->slot] = ccb; 1179 ch->numhslots++; 1180 } else 1181 xpt_done(ccb); 1182 /* Unfreeze frozen command. */ 1183 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1184 union ccb *fccb = ch->frozen; 1185 ch->frozen = NULL; 1186 siis_begin_transaction(dev, fccb); 1187 xpt_release_simq(ch->sim, TRUE); 1188 } 1189 /* If we have no other active commands, ... */ 1190 if (ch->rslots == 0) { 1191 /* if there were timeouts or fatal error - reset port. */ 1192 if (ch->toslots != 0 || ch->fatalerr) { 1193 siis_reset(dev); 1194 } else { 1195 /* if we have slots in error, we can reinit port. */ 1196 if (ch->eslots != 0) 1197 siis_portinit(dev); 1198 /* if there commands on hold, we can do READ LOG. */ 1199 if (!ch->readlog && ch->numhslots) 1200 siis_issue_read_log(dev); 1201 } 1202 /* If all the reset of commands are in timeout - abort them. */ 1203 } else if ((ch->rslots & ~ch->toslots) == 0) 1204 siis_process_timeout(dev); 1205} 1206 1207static void 1208siis_issue_read_log(device_t dev) 1209{ 1210 struct siis_channel *ch = device_get_softc(dev); 1211 union ccb *ccb; 1212 struct ccb_ataio *ataio; 1213 int i; 1214 1215 /* Find some holden command. */ 1216 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1217 if (ch->hold[i]) 1218 break; 1219 } 1220 if (i == SIIS_MAX_SLOTS) 1221 return; 1222 ch->readlog = 1; 1223 ccb = xpt_alloc_ccb_nowait(); 1224 if (ccb == NULL) { 1225 device_printf(dev, "Unable allocate READ LOG command"); 1226 return; /* XXX */ 1227 } 1228 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1229 ccb->ccb_h.func_code = XPT_ATA_IO; 1230 ccb->ccb_h.flags = CAM_DIR_IN; 1231 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1232 ataio = &ccb->ataio; 1233 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1234 if (ataio->data_ptr == NULL) { 1235 device_printf(dev, "Unable allocate memory for READ LOG command"); 1236 return; /* XXX */ 1237 } 1238 ataio->dxfer_len = 512; 1239 bzero(&ataio->cmd, sizeof(ataio->cmd)); 1240 ataio->cmd.flags = CAM_ATAIO_48BIT; 1241 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1242 ataio->cmd.sector_count = 1; 1243 ataio->cmd.sector_count_exp = 0; 1244 ataio->cmd.lba_low = 0x10; 1245 ataio->cmd.lba_mid = 0; 1246 ataio->cmd.lba_mid_exp = 0; 1247 siis_begin_transaction(dev, ccb); 1248} 1249 1250static void 1251siis_process_read_log(device_t dev, union ccb *ccb) 1252{ 1253 struct siis_channel *ch = device_get_softc(dev); 1254 uint8_t *data; 1255 struct ata_res *res; 1256 int i; 1257 1258 ch->readlog = 0; 1259 data = ccb->ataio.data_ptr; 1260 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1261 (data[0] & 0x80) == 0) { 1262 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1263 if (!ch->hold[i]) 1264 continue; 1265 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1266 continue; 1267 if ((data[0] & 0x1F) == i) { 1268 res = &ch->hold[i]->ataio.res; 1269 res->status = data[2]; 1270 res->error = data[3]; 1271 res->lba_low = data[4]; 1272 res->lba_mid = data[5]; 1273 res->lba_high = data[6]; 1274 res->device = data[7]; 1275 res->lba_low_exp = data[8]; 1276 res->lba_mid_exp = data[9]; 1277 res->lba_high_exp = data[10]; 1278 res->sector_count = data[12]; 1279 res->sector_count_exp = data[13]; 1280 } else { 1281 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1282 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1283 } 1284 xpt_done(ch->hold[i]); 1285 ch->hold[i] = NULL; 1286 ch->numhslots--; 1287 } 1288 } else { 1289 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1290 device_printf(dev, "Error while READ LOG EXT\n"); 1291 else if ((data[0] & 0x80) == 0) { 1292 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1293 } 1294 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1295 if (!ch->hold[i]) 1296 continue; 1297 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1298 continue; 1299 xpt_done(ch->hold[i]); 1300 ch->hold[i] = NULL; 1301 ch->numhslots--; 1302 } 1303 } 1304 free(ccb->ataio.data_ptr, M_SIIS); 1305 xpt_free_ccb(ccb); 1306} 1307 1308static void 1309siis_portinit(device_t dev) 1310{ 1311 struct siis_channel *ch = device_get_softc(dev); 1312 int i; 1313 1314 ch->eslots = 0; 1315 ch->recovery = 0; 1316 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1317 for (i = 0; i < 16; i++) { 1318 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1319 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1320 } 1321 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1322 siis_wait_ready(dev, 1000); 1323} 1324 1325static int 1326siis_devreset(device_t dev) 1327{ 1328 struct siis_channel *ch = device_get_softc(dev); 1329 int timeout = 0; 1330 uint32_t val; 1331 1332 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1333 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1334 SIIS_P_CTL_DEV_RESET) != 0) { 1335 DELAY(1000); 1336 if (timeout++ > 100) { 1337 device_printf(dev, "device reset stuck (timeout %dms) " 1338 "status = %08x\n", timeout, val); 1339 return (EBUSY); 1340 } 1341 } 1342 if (bootverbose) 1343 device_printf(dev, "device reset time=%dms\n", timeout); 1344 return (0); 1345} 1346 1347static int 1348siis_wait_ready(device_t dev, int t) 1349{ 1350 struct siis_channel *ch = device_get_softc(dev); 1351 int timeout = 0; 1352 uint32_t val; 1353 1354 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1355 SIIS_P_CTL_READY) == 0) { 1356 DELAY(1000); 1357 if (timeout++ > t) { 1358 device_printf(dev, "port is not ready (timeout %dms) " 1359 "status = %08x\n", t, val); 1360 return (EBUSY); 1361 } 1362 } 1363 if (bootverbose) 1364 device_printf(dev, "ready wait time=%dms\n", timeout); 1365 return (0); 1366} 1367 1368static void 1369siis_reset(device_t dev) 1370{ 1371 struct siis_channel *ch = device_get_softc(dev); 1372 int i, retry = 0, sata_rev; 1373 uint32_t val; 1374 1375 if (bootverbose) 1376 device_printf(dev, "SIIS reset...\n"); 1377 if (!ch->readlog && !ch->recovery) 1378 xpt_freeze_simq(ch->sim, ch->numrslots); 1379 /* Requeue frozen command. */ 1380 if (ch->frozen) { 1381 union ccb *fccb = ch->frozen; 1382 ch->frozen = NULL; 1383 fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1384 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1385 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1386 xpt_freeze_devq(fccb->ccb_h.path, 1); 1387 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1388 } 1389 xpt_done(fccb); 1390 } 1391 /* Requeue all running commands. */ 1392 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1393 /* Do we have a running request on slot? */ 1394 if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1395 continue; 1396 /* XXX; Commands in loading state. */ 1397 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1398 } 1399 /* Finish all holden commands as-is. */ 1400 for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1401 if (!ch->hold[i]) 1402 continue; 1403 xpt_done(ch->hold[i]); 1404 ch->hold[i] = NULL; 1405 ch->numhslots--; 1406 } 1407 if (ch->toslots != 0) 1408 xpt_release_simq(ch->sim, TRUE); 1409 ch->eslots = 0; 1410 ch->recovery = 0; 1411 ch->toslots = 0; 1412 ch->fatalerr = 0; 1413 /* Disable port interrupts */ 1414 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1415 /* Set speed limit. */ 1416 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1417 if (sata_rev == 1) 1418 val = ATA_SC_SPD_SPEED_GEN1; 1419 else if (sata_rev == 2) 1420 val = ATA_SC_SPD_SPEED_GEN2; 1421 else if (sata_rev == 3) 1422 val = ATA_SC_SPD_SPEED_GEN3; 1423 else 1424 val = 0; 1425 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1426 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1427 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1428retry: 1429 siis_devreset(dev); 1430 /* Reset and reconnect PHY, */ 1431 if (!siis_sata_connect(ch)) { 1432 ch->devices = 0; 1433 /* Enable port interrupts */ 1434 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1435 if (bootverbose) 1436 device_printf(dev, 1437 "SIIS reset done: phy reset found no device\n"); 1438 /* Tell the XPT about the event */ 1439 xpt_async(AC_BUS_RESET, ch->path, NULL); 1440 return; 1441 } 1442 /* Wait for clearing busy status. */ 1443 if (siis_wait_ready(dev, 10000)) { 1444 device_printf(dev, "device ready timeout\n"); 1445 if (!retry) { 1446 device_printf(dev, "trying full port reset ...\n"); 1447 /* Get port to the reset state. */ 1448 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1449 DELAY(10000); 1450 /* Get port out of reset state. */ 1451 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1452 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1453 if (ch->pm_present) 1454 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1455 else 1456 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1457 siis_wait_ready(dev, 5000); 1458 retry = 1; 1459 goto retry; 1460 } 1461 } 1462 ch->devices = 1; 1463 /* Enable port interrupts */ 1464 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1465 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1466 if (bootverbose) 1467 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1468 /* Tell the XPT about the event */ 1469 xpt_async(AC_BUS_RESET, ch->path, NULL); 1470} 1471 1472static int 1473siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1474{ 1475 struct siis_channel *ch = device_get_softc(dev); 1476 u_int8_t *fis = &ctp->fis[0]; 1477 1478 bzero(fis, 24); 1479 fis[0] = 0x27; /* host to device */ 1480 fis[1] = (ccb->ccb_h.target_id & 0x0f); 1481 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1482 fis[1] |= 0x80; 1483 fis[2] = ATA_PACKET_CMD; 1484 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1485 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1486 fis[3] = ATA_F_DMA; 1487 else { 1488 fis[5] = ccb->csio.dxfer_len; 1489 fis[6] = ccb->csio.dxfer_len >> 8; 1490 } 1491 fis[7] = ATA_D_LBA; 1492 fis[15] = ATA_A_4BIT; 1493 bzero(ctp->u.atapi.ccb, 16); 1494 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1495 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1496 ctp->u.atapi.ccb, ccb->csio.cdb_len); 1497 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1498 fis[1] |= 0x80; 1499 fis[2] = ccb->ataio.cmd.command; 1500 fis[3] = ccb->ataio.cmd.features; 1501 fis[4] = ccb->ataio.cmd.lba_low; 1502 fis[5] = ccb->ataio.cmd.lba_mid; 1503 fis[6] = ccb->ataio.cmd.lba_high; 1504 fis[7] = ccb->ataio.cmd.device; 1505 fis[8] = ccb->ataio.cmd.lba_low_exp; 1506 fis[9] = ccb->ataio.cmd.lba_mid_exp; 1507 fis[10] = ccb->ataio.cmd.lba_high_exp; 1508 fis[11] = ccb->ataio.cmd.features_exp; 1509 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1510 fis[12] = tag << 3; 1511 fis[13] = 0; 1512 } else { 1513 fis[12] = ccb->ataio.cmd.sector_count; 1514 fis[13] = ccb->ataio.cmd.sector_count_exp; 1515 } 1516 fis[15] = ATA_A_4BIT; 1517 } else { 1518 /* Soft reset. */ 1519 } 1520 return (20); 1521} 1522 1523static int 1524siis_sata_connect(struct siis_channel *ch) 1525{ 1526 u_int32_t status; 1527 int timeout; 1528 1529 /* Wait up to 100ms for "connect well" */ 1530 for (timeout = 0; timeout < 100 ; timeout++) { 1531 status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1532 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1533 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1534 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1535 break; 1536 DELAY(1000); 1537 } 1538 if (timeout >= 100) { 1539 if (bootverbose) { 1540 device_printf(ch->dev, "SATA connect timeout status=%08x\n", 1541 status); 1542 } 1543 return (0); 1544 } 1545 if (bootverbose) { 1546 device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 1547 timeout, status); 1548 } 1549 /* Clear SATA error register */ 1550 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1551 return (1); 1552} 1553 1554static void 1555siisaction(struct cam_sim *sim, union ccb *ccb) 1556{ 1557 device_t dev; 1558 struct siis_channel *ch; 1559 1560 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1561 ccb->ccb_h.func_code)); 1562 1563 ch = (struct siis_channel *)cam_sim_softc(sim); 1564 dev = ch->dev; 1565 mtx_assert(&ch->mtx, MA_OWNED); 1566 switch (ccb->ccb_h.func_code) { 1567 /* Common cases first */ 1568 case XPT_ATA_IO: /* Execute the requested I/O operation */ 1569 case XPT_SCSI_IO: 1570 if (ch->devices == 0) { 1571 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1572 xpt_done(ccb); 1573 break; 1574 } 1575 /* Check for command collision. */ 1576 if (siis_check_collision(dev, ccb)) { 1577 /* Freeze command. */ 1578 ch->frozen = ccb; 1579 /* We have only one frozen slot, so freeze simq also. */ 1580 xpt_freeze_simq(ch->sim, 1); 1581 return; 1582 } 1583 siis_begin_transaction(dev, ccb); 1584 break; 1585 case XPT_EN_LUN: /* Enable LUN as a target */ 1586 case XPT_TARGET_IO: /* Execute target I/O request */ 1587 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1588 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1589 case XPT_ABORT: /* Abort the specified CCB */ 1590 /* XXX Implement */ 1591 ccb->ccb_h.status = CAM_REQ_INVALID; 1592 xpt_done(ccb); 1593 break; 1594 case XPT_SET_TRAN_SETTINGS: 1595 { 1596 struct ccb_trans_settings *cts = &ccb->cts; 1597 struct siis_device *d; 1598 1599 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1600 d = &ch->curr[ccb->ccb_h.target_id]; 1601 else 1602 d = &ch->user[ccb->ccb_h.target_id]; 1603 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1604 d->revision = cts->xport_specific.sata.revision; 1605 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1606 d->mode = cts->xport_specific.sata.mode; 1607 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1608 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1609 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1610 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1611 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1612 ch->pm_present = cts->xport_specific.sata.pm_present; 1613 if (ch->pm_present) 1614 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1615 else 1616 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1617 } 1618 ccb->ccb_h.status = CAM_REQ_CMP; 1619 xpt_done(ccb); 1620 break; 1621 } 1622 case XPT_GET_TRAN_SETTINGS: 1623 /* Get default/user set transfer settings for the target */ 1624 { 1625 struct ccb_trans_settings *cts = &ccb->cts; 1626 struct siis_device *d; 1627 uint32_t status; 1628 1629 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1630 d = &ch->curr[ccb->ccb_h.target_id]; 1631 else 1632 d = &ch->user[ccb->ccb_h.target_id]; 1633 cts->protocol = PROTO_ATA; 1634 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1635 cts->transport = XPORT_SATA; 1636 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1637 cts->proto_specific.valid = 0; 1638 cts->xport_specific.sata.valid = 0; 1639 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1640 (ccb->ccb_h.target_id == 15 || 1641 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1642 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1643 if (status & 0x0f0) { 1644 cts->xport_specific.sata.revision = 1645 (status & 0x0f0) >> 4; 1646 cts->xport_specific.sata.valid |= 1647 CTS_SATA_VALID_REVISION; 1648 } 1649 } else { 1650 cts->xport_specific.sata.revision = d->revision; 1651 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1652 } 1653 cts->xport_specific.sata.mode = d->mode; 1654 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1655 cts->xport_specific.sata.bytecount = d->bytecount; 1656 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1657 cts->xport_specific.sata.pm_present = ch->pm_present; 1658 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1659 cts->xport_specific.sata.tags = d->tags; 1660 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1661 ccb->ccb_h.status = CAM_REQ_CMP; 1662 xpt_done(ccb); 1663 break; 1664 } 1665#if 0 1666 case XPT_CALC_GEOMETRY: 1667 { 1668 struct ccb_calc_geometry *ccg; 1669 uint32_t size_mb; 1670 uint32_t secs_per_cylinder; 1671 1672 ccg = &ccb->ccg; 1673 size_mb = ccg->volume_size 1674 / ((1024L * 1024L) / ccg->block_size); 1675 if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1676 if (size_mb >= 2048) { 1677 ccg->heads = 255; 1678 ccg->secs_per_track = 63; 1679 } else { 1680 ccg->heads = 128; 1681 ccg->secs_per_track = 32; 1682 } 1683 } else { 1684 ccg->heads = 64; 1685 ccg->secs_per_track = 32; 1686 } 1687 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1688 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1689 ccb->ccb_h.status = CAM_REQ_CMP; 1690 xpt_done(ccb); 1691 break; 1692 } 1693#endif 1694 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1695 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1696 siis_reset(dev); 1697 ccb->ccb_h.status = CAM_REQ_CMP; 1698 xpt_done(ccb); 1699 break; 1700 case XPT_TERM_IO: /* Terminate the I/O process */ 1701 /* XXX Implement */ 1702 ccb->ccb_h.status = CAM_REQ_INVALID; 1703 xpt_done(ccb); 1704 break; 1705 case XPT_PATH_INQ: /* Path routing inquiry */ 1706 { 1707 struct ccb_pathinq *cpi = &ccb->cpi; 1708 1709 cpi->version_num = 1; /* XXX??? */ 1710 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1711 cpi->hba_inquiry |= PI_SATAPM; 1712 cpi->target_sprt = 0; 1713 cpi->hba_misc = PIM_SEQSCAN; 1714 cpi->hba_eng_cnt = 0; 1715 cpi->max_target = 15; 1716 cpi->max_lun = 0; 1717 cpi->initiator_id = 0; 1718 cpi->bus_id = cam_sim_bus(sim); 1719 cpi->base_transfer_speed = 150000; 1720 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1721 strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1722 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1723 cpi->unit_number = cam_sim_unit(sim); 1724 cpi->transport = XPORT_SATA; 1725 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1726 cpi->protocol = PROTO_ATA; 1727 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1728 cpi->ccb_h.status = CAM_REQ_CMP; 1729 cpi->maxio = MAXPHYS; 1730 xpt_done(ccb); 1731 break; 1732 } 1733 default: 1734 ccb->ccb_h.status = CAM_REQ_INVALID; 1735 xpt_done(ccb); 1736 break; 1737 } 1738} 1739 1740static void 1741siispoll(struct cam_sim *sim) 1742{ 1743 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1744 1745 siis_ch_intr(ch->dev); 1746} 1747