1195801Smav/*- 2195801Smav * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3195801Smav * All rights reserved. 4195801Smav * 5195801Smav * Redistribution and use in source and binary forms, with or without 6195801Smav * modification, are permitted provided that the following conditions 7195801Smav * are met: 8195801Smav * 1. Redistributions of source code must retain the above copyright 9195801Smav * notice, this list of conditions and the following disclaimer, 10195801Smav * without modification, immediately at the beginning of the file. 11195801Smav * 2. Redistributions in binary form must reproduce the above copyright 12195801Smav * notice, this list of conditions and the following disclaimer in the 13195801Smav * documentation and/or other materials provided with the distribution. 14195801Smav * 15195801Smav * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16195801Smav * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17195801Smav * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18195801Smav * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19195801Smav * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20195801Smav * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21195801Smav * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22195801Smav * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23195801Smav * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24195801Smav * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25195801Smav */ 26195801Smav 27195801Smav#include <sys/cdefs.h> 28195801Smav__FBSDID("$FreeBSD$"); 29195801Smav 30195801Smav#include <sys/param.h> 31195801Smav#include <sys/module.h> 32195801Smav#include <sys/systm.h> 33195801Smav#include <sys/kernel.h> 34195801Smav#include <sys/ata.h> 35195801Smav#include <sys/bus.h> 36195801Smav#include <sys/endian.h> 37195801Smav#include <sys/malloc.h> 38195801Smav#include <sys/lock.h> 39195801Smav#include <sys/mutex.h> 40195801Smav#include <sys/sema.h> 41195801Smav#include <sys/taskqueue.h> 42195801Smav#include <vm/uma.h> 43195801Smav#include <machine/stdarg.h> 44195801Smav#include <machine/resource.h> 45195801Smav#include <machine/bus.h> 46195801Smav#include <sys/rman.h> 47217877Smav#include <dev/led/led.h> 48195801Smav#include <dev/pci/pcivar.h> 49195801Smav#include <dev/pci/pcireg.h> 50195801Smav#include "siis.h" 51195801Smav 52195801Smav#include <cam/cam.h> 53195801Smav#include <cam/cam_ccb.h> 54195801Smav#include <cam/cam_sim.h> 55195801Smav#include <cam/cam_xpt_sim.h> 56195801Smav#include <cam/cam_debug.h> 57195801Smav 58195801Smav/* local prototypes */ 59195801Smavstatic int siis_setup_interrupt(device_t dev); 60195801Smavstatic void siis_intr(void *data); 61195801Smavstatic int siis_suspend(device_t dev); 62195801Smavstatic int siis_resume(device_t dev); 63208393Smavstatic int siis_ch_init(device_t dev); 64208393Smavstatic int siis_ch_deinit(device_t dev); 65195801Smavstatic int siis_ch_suspend(device_t dev); 66195801Smavstatic int siis_ch_resume(device_t dev); 67195801Smavstatic void siis_ch_intr_locked(void *data); 68195801Smavstatic void siis_ch_intr(void *data); 69217877Smavstatic void siis_ch_led(void *priv, int onoff); 70195801Smavstatic void siis_begin_transaction(device_t dev, union ccb *ccb); 71195801Smavstatic void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 72195801Smavstatic void siis_execute_transaction(struct siis_slot *slot); 73195801Smavstatic void siis_timeout(struct siis_slot *slot); 74195801Smavstatic void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 75199821Smavstatic int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 76195801Smavstatic void siis_dmainit(device_t dev); 77195801Smavstatic void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 78195801Smavstatic void siis_dmafini(device_t dev); 79195801Smavstatic void siis_slotsalloc(device_t dev); 80195801Smavstatic void siis_slotsfree(device_t dev); 81195801Smavstatic void siis_reset(device_t dev); 82195801Smavstatic void siis_portinit(device_t dev); 83195801Smavstatic int siis_wait_ready(device_t dev, int t); 84195801Smav 85195801Smavstatic int siis_sata_connect(struct siis_channel *ch); 86195801Smav 87220566Smavstatic void siis_issue_recovery(device_t dev); 88195801Smavstatic void siis_process_read_log(device_t dev, union ccb *ccb); 89220566Smavstatic void siis_process_request_sense(device_t dev, union ccb *ccb); 90195801Smav 91195801Smavstatic void siisaction(struct cam_sim *sim, union ccb *ccb); 92195801Smavstatic void siispoll(struct cam_sim *sim); 93195801Smav 94227293Sedstatic MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 95195801Smav 96199132Smavstatic struct { 97199132Smav uint32_t id; 98199132Smav const char *name; 99199132Smav int ports; 100200217Smav int quirks; 101200217Smav#define SIIS_Q_SNTF 1 102205358Smav#define SIIS_Q_NOMSI 2 103199132Smav} siis_ids[] = { 104200217Smav {0x31241095, "SiI3124", 4, 0}, 105200217Smav {0x31248086, "SiI3124", 4, 0}, 106205358Smav {0x31321095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 107205358Smav {0x02421095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 108205358Smav {0x02441095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 109205358Smav {0x31311095, "SiI3131", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 110205358Smav {0x35311095, "SiI3531", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI}, 111200217Smav {0, NULL, 0, 0} 112199132Smav}; 113199132Smav 114220566Smav#define recovery_type spriv_field0 115220566Smav#define RECOVERY_NONE 0 116220566Smav#define RECOVERY_READ_LOG 1 117220566Smav#define RECOVERY_REQUEST_SENSE 2 118220566Smav#define recovery_slot spriv_field1 119220566Smav 120195801Smavstatic int 121195801Smavsiis_probe(device_t dev) 122195801Smav{ 123199132Smav char buf[64]; 124199132Smav int i; 125195801Smav uint32_t devid = pci_get_devid(dev); 126195801Smav 127199132Smav for (i = 0; siis_ids[i].id != 0; i++) { 128199132Smav if (siis_ids[i].id == devid) { 129200217Smav snprintf(buf, sizeof(buf), "%s SATA controller", 130199132Smav siis_ids[i].name); 131199132Smav device_set_desc_copy(dev, buf); 132199132Smav return (BUS_PROBE_VENDOR); 133199132Smav } 134195801Smav } 135199132Smav return (ENXIO); 136195801Smav} 137195801Smav 138195801Smavstatic int 139195801Smavsiis_attach(device_t dev) 140195801Smav{ 141195801Smav struct siis_controller *ctlr = device_get_softc(dev); 142195801Smav uint32_t devid = pci_get_devid(dev); 143195801Smav device_t child; 144199132Smav int error, i, unit; 145195801Smav 146200217Smav ctlr->dev = dev; 147199132Smav for (i = 0; siis_ids[i].id != 0; i++) { 148199132Smav if (siis_ids[i].id == devid) 149199132Smav break; 150199132Smav } 151200217Smav ctlr->quirks = siis_ids[i].quirks; 152195801Smav /* Global memory */ 153195801Smav ctlr->r_grid = PCIR_BAR(0); 154195801Smav if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 155195801Smav &ctlr->r_grid, RF_ACTIVE))) 156195801Smav return (ENXIO); 157200223Smav ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 158195801Smav /* Channels memory */ 159195801Smav ctlr->r_rid = PCIR_BAR(2); 160195801Smav if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 161195801Smav &ctlr->r_rid, RF_ACTIVE))) 162195801Smav return (ENXIO); 163195801Smav /* Setup our own memory management for channels. */ 164208414Smav ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem); 165208414Smav ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem); 166195801Smav ctlr->sc_iomem.rm_type = RMAN_ARRAY; 167195801Smav ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 168195801Smav if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 169195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 170195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 171195801Smav return (error); 172195801Smav } 173195801Smav if ((error = rman_manage_region(&ctlr->sc_iomem, 174195801Smav rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 175195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 176195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 177195801Smav rman_fini(&ctlr->sc_iomem); 178195801Smav return (error); 179195801Smav } 180206652Smav pci_enable_busmaster(dev); 181195801Smav /* Reset controller */ 182195801Smav siis_resume(dev); 183195801Smav /* Number of HW channels */ 184199132Smav ctlr->channels = siis_ids[i].ports; 185195801Smav /* Setup interrupts. */ 186195801Smav if (siis_setup_interrupt(dev)) { 187195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 188195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 189195801Smav rman_fini(&ctlr->sc_iomem); 190195801Smav return ENXIO; 191195801Smav } 192195801Smav /* Attach all channels on this controller */ 193195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 194195801Smav child = device_add_child(dev, "siisch", -1); 195195801Smav if (child == NULL) 196195801Smav device_printf(dev, "failed to add channel device\n"); 197195801Smav else 198195801Smav device_set_ivars(child, (void *)(intptr_t)unit); 199195801Smav } 200195801Smav bus_generic_attach(dev); 201195801Smav return 0; 202195801Smav} 203195801Smav 204195801Smavstatic int 205195801Smavsiis_detach(device_t dev) 206195801Smav{ 207195801Smav struct siis_controller *ctlr = device_get_softc(dev); 208195801Smav 209195801Smav /* Detach & delete all children */ 210227849Shselasky device_delete_children(dev); 211227701Shselasky 212195801Smav /* Free interrupts. */ 213195801Smav if (ctlr->irq.r_irq) { 214195801Smav bus_teardown_intr(dev, ctlr->irq.r_irq, 215195801Smav ctlr->irq.handle); 216195801Smav bus_release_resource(dev, SYS_RES_IRQ, 217195801Smav ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 218195801Smav } 219195801Smav pci_release_msi(dev); 220195801Smav /* Free memory. */ 221195801Smav rman_fini(&ctlr->sc_iomem); 222195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 223195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 224195801Smav return (0); 225195801Smav} 226195801Smav 227195801Smavstatic int 228195801Smavsiis_suspend(device_t dev) 229195801Smav{ 230195801Smav struct siis_controller *ctlr = device_get_softc(dev); 231195801Smav 232195801Smav bus_generic_suspend(dev); 233195801Smav /* Put controller into reset state. */ 234200223Smav ctlr->gctl |= SIIS_GCTL_GRESET; 235200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 236195801Smav return 0; 237195801Smav} 238195801Smav 239195801Smavstatic int 240195801Smavsiis_resume(device_t dev) 241195801Smav{ 242195801Smav struct siis_controller *ctlr = device_get_softc(dev); 243195801Smav 244200291Smav /* Set PCIe max read request size to at least 1024 bytes */ 245203529Smav if (pci_get_max_read_req(dev) < 1024) 246203529Smav pci_set_max_read_req(dev, 1024); 247195801Smav /* Put controller into reset state. */ 248200223Smav ctlr->gctl |= SIIS_GCTL_GRESET; 249200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 250195801Smav DELAY(10000); 251195801Smav /* Get controller out of reset state and enable port interrupts. */ 252200223Smav ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 253200223Smav ctlr->gctl |= 0x0000000f; 254200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 255195801Smav return (bus_generic_resume(dev)); 256195801Smav} 257195801Smav 258195801Smavstatic int 259195801Smavsiis_setup_interrupt(device_t dev) 260195801Smav{ 261195801Smav struct siis_controller *ctlr = device_get_softc(dev); 262205358Smav int msi = ctlr->quirks & SIIS_Q_NOMSI ? 0 : 1; 263195801Smav 264195801Smav /* Process hints. */ 265195801Smav resource_int_value(device_get_name(dev), 266195801Smav device_get_unit(dev), "msi", &msi); 267195801Smav if (msi < 0) 268195801Smav msi = 0; 269195801Smav else if (msi > 0) 270195801Smav msi = min(1, pci_msi_count(dev)); 271195801Smav /* Allocate MSI if needed/present. */ 272195801Smav if (msi && pci_alloc_msi(dev, &msi) != 0) 273195801Smav msi = 0; 274195801Smav /* Allocate all IRQs. */ 275195801Smav ctlr->irq.r_irq_rid = msi ? 1 : 0; 276195801Smav if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 277195801Smav &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 278195801Smav device_printf(dev, "unable to map interrupt\n"); 279195801Smav return ENXIO; 280195801Smav } 281195801Smav if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 282195801Smav siis_intr, ctlr, &ctlr->irq.handle))) { 283195801Smav /* SOS XXX release r_irq */ 284195801Smav device_printf(dev, "unable to setup interrupt\n"); 285195801Smav return ENXIO; 286195801Smav } 287195801Smav return (0); 288195801Smav} 289195801Smav 290195801Smav/* 291195801Smav * Common case interrupt handler. 292195801Smav */ 293195801Smavstatic void 294195801Smavsiis_intr(void *data) 295195801Smav{ 296195801Smav struct siis_controller *ctlr = (struct siis_controller *)data; 297195801Smav u_int32_t is; 298195801Smav void *arg; 299195801Smav int unit; 300195801Smav 301195801Smav is = ATA_INL(ctlr->r_gmem, SIIS_IS); 302195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 303195801Smav if ((is & SIIS_IS_PORT(unit)) != 0 && 304195801Smav (arg = ctlr->interrupt[unit].argument)) { 305195801Smav ctlr->interrupt[unit].function(arg); 306195801Smav } 307195801Smav } 308200223Smav /* Acknowledge interrupt, if MSI enabled. */ 309200223Smav if (ctlr->irq.r_irq_rid) { 310200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 311200223Smav ctlr->gctl | SIIS_GCTL_MSIACK); 312200223Smav } 313195801Smav} 314195801Smav 315195801Smavstatic struct resource * 316195801Smavsiis_alloc_resource(device_t dev, device_t child, int type, int *rid, 317195801Smav u_long start, u_long end, u_long count, u_int flags) 318195801Smav{ 319195801Smav struct siis_controller *ctlr = device_get_softc(dev); 320195801Smav int unit = ((struct siis_channel *)device_get_softc(child))->unit; 321195801Smav struct resource *res = NULL; 322195801Smav int offset = unit << 13; 323195801Smav long st; 324195801Smav 325195801Smav switch (type) { 326195801Smav case SYS_RES_MEMORY: 327195801Smav st = rman_get_start(ctlr->r_mem); 328195801Smav res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 329195801Smav st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 330195801Smav if (res) { 331195801Smav bus_space_handle_t bsh; 332195801Smav bus_space_tag_t bst; 333195801Smav bsh = rman_get_bushandle(ctlr->r_mem); 334195801Smav bst = rman_get_bustag(ctlr->r_mem); 335195801Smav bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 336195801Smav rman_set_bushandle(res, bsh); 337195801Smav rman_set_bustag(res, bst); 338195801Smav } 339195801Smav break; 340195801Smav case SYS_RES_IRQ: 341195801Smav if (*rid == ATA_IRQ_RID) 342195801Smav res = ctlr->irq.r_irq; 343195801Smav break; 344195801Smav } 345195801Smav return (res); 346195801Smav} 347195801Smav 348195801Smavstatic int 349195801Smavsiis_release_resource(device_t dev, device_t child, int type, int rid, 350195801Smav struct resource *r) 351195801Smav{ 352195801Smav 353195801Smav switch (type) { 354195801Smav case SYS_RES_MEMORY: 355195801Smav rman_release_resource(r); 356195801Smav return (0); 357195801Smav case SYS_RES_IRQ: 358195801Smav if (rid != ATA_IRQ_RID) 359195801Smav return ENOENT; 360195801Smav return (0); 361195801Smav } 362195801Smav return (EINVAL); 363195801Smav} 364195801Smav 365195801Smavstatic int 366195801Smavsiis_setup_intr(device_t dev, device_t child, struct resource *irq, 367195801Smav int flags, driver_filter_t *filter, driver_intr_t *function, 368195801Smav void *argument, void **cookiep) 369195801Smav{ 370195801Smav struct siis_controller *ctlr = device_get_softc(dev); 371195801Smav int unit = (intptr_t)device_get_ivars(child); 372195801Smav 373195801Smav if (filter != NULL) { 374195801Smav printf("siis.c: we cannot use a filter here\n"); 375195801Smav return (EINVAL); 376195801Smav } 377195801Smav ctlr->interrupt[unit].function = function; 378195801Smav ctlr->interrupt[unit].argument = argument; 379195801Smav return (0); 380195801Smav} 381195801Smav 382195801Smavstatic int 383195801Smavsiis_teardown_intr(device_t dev, device_t child, struct resource *irq, 384195801Smav void *cookie) 385195801Smav{ 386195801Smav struct siis_controller *ctlr = device_get_softc(dev); 387195801Smav int unit = (intptr_t)device_get_ivars(child); 388195801Smav 389195801Smav ctlr->interrupt[unit].function = NULL; 390195801Smav ctlr->interrupt[unit].argument = NULL; 391195801Smav return (0); 392195801Smav} 393195801Smav 394195801Smavstatic int 395195801Smavsiis_print_child(device_t dev, device_t child) 396195801Smav{ 397195801Smav int retval; 398195801Smav 399195801Smav retval = bus_print_child_header(dev, child); 400195801Smav retval += printf(" at channel %d", 401195801Smav (int)(intptr_t)device_get_ivars(child)); 402195801Smav retval += bus_print_child_footer(dev, child); 403195801Smav 404195801Smav return (retval); 405195801Smav} 406195801Smav 407208410Smavstatic int 408208410Smavsiis_child_location_str(device_t dev, device_t child, char *buf, 409208410Smav size_t buflen) 410208410Smav{ 411208410Smav 412208410Smav snprintf(buf, buflen, "channel=%d", 413208410Smav (int)(intptr_t)device_get_ivars(child)); 414208410Smav return (0); 415208410Smav} 416208410Smav 417249622Smavstatic bus_dma_tag_t 418249622Smavsiis_get_dma_tag(device_t bus, device_t child) 419249622Smav{ 420249622Smav 421249622Smav return (bus_get_dma_tag(bus)); 422249622Smav} 423249622Smav 424195801Smavdevclass_t siis_devclass; 425195801Smavstatic device_method_t siis_methods[] = { 426195801Smav DEVMETHOD(device_probe, siis_probe), 427195801Smav DEVMETHOD(device_attach, siis_attach), 428195801Smav DEVMETHOD(device_detach, siis_detach), 429195801Smav DEVMETHOD(device_suspend, siis_suspend), 430195801Smav DEVMETHOD(device_resume, siis_resume), 431195801Smav DEVMETHOD(bus_print_child, siis_print_child), 432195801Smav DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 433195801Smav DEVMETHOD(bus_release_resource, siis_release_resource), 434195801Smav DEVMETHOD(bus_setup_intr, siis_setup_intr), 435195801Smav DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 436208410Smav DEVMETHOD(bus_child_location_str, siis_child_location_str), 437249622Smav DEVMETHOD(bus_get_dma_tag, siis_get_dma_tag), 438195801Smav { 0, 0 } 439195801Smav}; 440195801Smavstatic driver_t siis_driver = { 441195801Smav "siis", 442195801Smav siis_methods, 443195801Smav sizeof(struct siis_controller) 444195801Smav}; 445195801SmavDRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 446195801SmavMODULE_VERSION(siis, 1); 447195801SmavMODULE_DEPEND(siis, cam, 1, 1, 1); 448195801Smav 449195801Smavstatic int 450195801Smavsiis_ch_probe(device_t dev) 451195801Smav{ 452195801Smav 453195801Smav device_set_desc_copy(dev, "SIIS channel"); 454195801Smav return (0); 455195801Smav} 456195801Smav 457195801Smavstatic int 458195801Smavsiis_ch_attach(device_t dev) 459195801Smav{ 460200217Smav struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 461195801Smav struct siis_channel *ch = device_get_softc(dev); 462195801Smav struct cam_devq *devq; 463199821Smav int rid, error, i, sata_rev = 0; 464195801Smav 465195801Smav ch->dev = dev; 466195801Smav ch->unit = (intptr_t)device_get_ivars(dev); 467200217Smav ch->quirks = ctlr->quirks; 468195801Smav resource_int_value(device_get_name(dev), 469195801Smav device_get_unit(dev), "pm_level", &ch->pm_level); 470199821Smav resource_int_value(device_get_name(dev), 471199821Smav device_get_unit(dev), "sata_rev", &sata_rev); 472199747Smav for (i = 0; i < 16; i++) { 473199821Smav ch->user[i].revision = sata_rev; 474199747Smav ch->user[i].mode = 0; 475199747Smav ch->user[i].bytecount = 8192; 476199747Smav ch->user[i].tags = SIIS_MAX_SLOTS; 477199747Smav ch->curr[i] = ch->user[i]; 478207499Smav if (ch->pm_level) 479207499Smav ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ; 480220602Smav ch->user[i].caps |= CTS_SATA_CAPS_H_AN; 481199747Smav } 482195801Smav mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 483195801Smav rid = ch->unit; 484195801Smav if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 485195801Smav &rid, RF_ACTIVE))) 486195801Smav return (ENXIO); 487195801Smav siis_dmainit(dev); 488195801Smav siis_slotsalloc(dev); 489208393Smav siis_ch_init(dev); 490195801Smav mtx_lock(&ch->mtx); 491195801Smav rid = ATA_IRQ_RID; 492195801Smav if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 493195801Smav &rid, RF_SHAREABLE | RF_ACTIVE))) { 494195801Smav device_printf(dev, "Unable to map interrupt\n"); 495208816Smav error = ENXIO; 496208816Smav goto err0; 497195801Smav } 498195801Smav if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 499195801Smav siis_ch_intr_locked, dev, &ch->ih))) { 500195801Smav device_printf(dev, "Unable to setup interrupt\n"); 501195801Smav error = ENXIO; 502195801Smav goto err1; 503195801Smav } 504195801Smav /* Create the device queue for our SIM. */ 505195801Smav devq = cam_simq_alloc(SIIS_MAX_SLOTS); 506195801Smav if (devq == NULL) { 507195801Smav device_printf(dev, "Unable to allocate simq\n"); 508195801Smav error = ENOMEM; 509195801Smav goto err1; 510195801Smav } 511195801Smav /* Construct SIM entry */ 512195801Smav ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 513199178Smav device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 514195801Smav if (ch->sim == NULL) { 515208816Smav cam_simq_free(devq); 516195801Smav device_printf(dev, "unable to allocate sim\n"); 517195801Smav error = ENOMEM; 518208816Smav goto err1; 519195801Smav } 520195801Smav if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 521195801Smav device_printf(dev, "unable to register xpt bus\n"); 522195801Smav error = ENXIO; 523195801Smav goto err2; 524195801Smav } 525195801Smav if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 526195801Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 527195801Smav device_printf(dev, "unable to create path\n"); 528195801Smav error = ENXIO; 529195801Smav goto err3; 530195801Smav } 531195801Smav mtx_unlock(&ch->mtx); 532217877Smav ch->led = led_create(siis_ch_led, dev, device_get_nameunit(dev)); 533195801Smav return (0); 534195801Smav 535195801Smaverr3: 536195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 537195801Smaverr2: 538195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 539195801Smaverr1: 540195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 541208816Smaverr0: 542195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 543195801Smav mtx_unlock(&ch->mtx); 544214325Smav mtx_destroy(&ch->mtx); 545195801Smav return (error); 546195801Smav} 547195801Smav 548195801Smavstatic int 549195801Smavsiis_ch_detach(device_t dev) 550195801Smav{ 551195801Smav struct siis_channel *ch = device_get_softc(dev); 552195801Smav 553217877Smav led_destroy(ch->led); 554195801Smav mtx_lock(&ch->mtx); 555195801Smav xpt_async(AC_LOST_DEVICE, ch->path, NULL); 556195801Smav xpt_free_path(ch->path); 557195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 558195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 559195801Smav mtx_unlock(&ch->mtx); 560195801Smav 561195801Smav bus_teardown_intr(dev, ch->r_irq, ch->ih); 562195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 563195801Smav 564208393Smav siis_ch_deinit(dev); 565195801Smav siis_slotsfree(dev); 566195801Smav siis_dmafini(dev); 567195801Smav 568195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 569195801Smav mtx_destroy(&ch->mtx); 570195801Smav return (0); 571195801Smav} 572195801Smav 573195801Smavstatic int 574208393Smavsiis_ch_init(device_t dev) 575195801Smav{ 576195801Smav struct siis_channel *ch = device_get_softc(dev); 577195801Smav 578208393Smav /* Get port out of reset state. */ 579208393Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 580208393Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 581208393Smav if (ch->pm_present) 582208393Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 583208393Smav else 584208393Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 585208393Smav /* Enable port interrupts */ 586208393Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 587208393Smav return (0); 588208393Smav} 589208393Smav 590208393Smavstatic int 591208393Smavsiis_ch_deinit(device_t dev) 592208393Smav{ 593208393Smav struct siis_channel *ch = device_get_softc(dev); 594208393Smav 595195801Smav /* Put port into reset state. */ 596195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 597195801Smav return (0); 598195801Smav} 599195801Smav 600195801Smavstatic int 601208393Smavsiis_ch_suspend(device_t dev) 602208393Smav{ 603208393Smav struct siis_channel *ch = device_get_softc(dev); 604208393Smav 605208393Smav mtx_lock(&ch->mtx); 606208393Smav xpt_freeze_simq(ch->sim, 1); 607208393Smav while (ch->oslots) 608208393Smav msleep(ch, &ch->mtx, PRIBIO, "siissusp", hz/100); 609208393Smav siis_ch_deinit(dev); 610208393Smav mtx_unlock(&ch->mtx); 611208393Smav return (0); 612208393Smav} 613208393Smav 614208393Smavstatic int 615195801Smavsiis_ch_resume(device_t dev) 616195801Smav{ 617195801Smav struct siis_channel *ch = device_get_softc(dev); 618195801Smav 619208393Smav mtx_lock(&ch->mtx); 620208393Smav siis_ch_init(dev); 621208393Smav siis_reset(dev); 622208393Smav xpt_release_simq(ch->sim, TRUE); 623208393Smav mtx_unlock(&ch->mtx); 624195801Smav return (0); 625195801Smav} 626195801Smav 627195801Smavdevclass_t siisch_devclass; 628195801Smavstatic device_method_t siisch_methods[] = { 629195801Smav DEVMETHOD(device_probe, siis_ch_probe), 630195801Smav DEVMETHOD(device_attach, siis_ch_attach), 631195801Smav DEVMETHOD(device_detach, siis_ch_detach), 632195801Smav DEVMETHOD(device_suspend, siis_ch_suspend), 633195801Smav DEVMETHOD(device_resume, siis_ch_resume), 634195801Smav { 0, 0 } 635195801Smav}; 636195801Smavstatic driver_t siisch_driver = { 637195801Smav "siisch", 638195801Smav siisch_methods, 639195801Smav sizeof(struct siis_channel) 640195801Smav}; 641195801SmavDRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 642195801Smav 643217877Smavstatic void 644217877Smavsiis_ch_led(void *priv, int onoff) 645217877Smav{ 646217877Smav device_t dev; 647217877Smav struct siis_channel *ch; 648217877Smav 649217877Smav dev = (device_t)priv; 650217877Smav ch = device_get_softc(dev); 651217877Smav 652217877Smav if (onoff == 0) 653217877Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_LED_ON); 654217877Smav else 655217877Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_LED_ON); 656217877Smav} 657217877Smav 658195801Smavstruct siis_dc_cb_args { 659195801Smav bus_addr_t maddr; 660195801Smav int error; 661195801Smav}; 662195801Smav 663195801Smavstatic void 664195801Smavsiis_dmainit(device_t dev) 665195801Smav{ 666195801Smav struct siis_channel *ch = device_get_softc(dev); 667195801Smav struct siis_dc_cb_args dcba; 668195801Smav 669195801Smav /* Command area. */ 670195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 671195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 672195801Smav NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 673195801Smav 0, NULL, NULL, &ch->dma.work_tag)) 674195801Smav goto error; 675195801Smav if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 676195801Smav &ch->dma.work_map)) 677195801Smav goto error; 678195801Smav if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 679195801Smav SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 680195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 681195801Smav goto error; 682195801Smav } 683195801Smav ch->dma.work_bus = dcba.maddr; 684195801Smav /* Data area. */ 685199333Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 686195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 687195801Smav NULL, NULL, 688195801Smav SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 689195801Smav SIIS_SG_ENTRIES, 0xFFFFFFFF, 690195801Smav 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 691195801Smav goto error; 692195801Smav } 693195801Smav return; 694195801Smav 695195801Smaverror: 696195801Smav device_printf(dev, "WARNING - DMA initialization failed\n"); 697195801Smav siis_dmafini(dev); 698195801Smav} 699195801Smav 700195801Smavstatic void 701195801Smavsiis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 702195801Smav{ 703195801Smav struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 704195801Smav 705195801Smav if (!(dcba->error = error)) 706195801Smav dcba->maddr = segs[0].ds_addr; 707195801Smav} 708195801Smav 709195801Smavstatic void 710195801Smavsiis_dmafini(device_t dev) 711195801Smav{ 712195801Smav struct siis_channel *ch = device_get_softc(dev); 713195801Smav 714195801Smav if (ch->dma.data_tag) { 715195801Smav bus_dma_tag_destroy(ch->dma.data_tag); 716195801Smav ch->dma.data_tag = NULL; 717195801Smav } 718195801Smav if (ch->dma.work_bus) { 719195801Smav bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 720195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 721195801Smav ch->dma.work_bus = 0; 722195801Smav ch->dma.work_map = NULL; 723195801Smav ch->dma.work = NULL; 724195801Smav } 725195801Smav if (ch->dma.work_tag) { 726195801Smav bus_dma_tag_destroy(ch->dma.work_tag); 727195801Smav ch->dma.work_tag = NULL; 728195801Smav } 729195801Smav} 730195801Smav 731195801Smavstatic void 732195801Smavsiis_slotsalloc(device_t dev) 733195801Smav{ 734195801Smav struct siis_channel *ch = device_get_softc(dev); 735195801Smav int i; 736195801Smav 737195801Smav /* Alloc and setup command/dma slots */ 738195801Smav bzero(ch->slot, sizeof(ch->slot)); 739195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 740195801Smav struct siis_slot *slot = &ch->slot[i]; 741195801Smav 742195801Smav slot->dev = dev; 743195801Smav slot->slot = i; 744195801Smav slot->state = SIIS_SLOT_EMPTY; 745195801Smav slot->ccb = NULL; 746195801Smav callout_init_mtx(&slot->timeout, &ch->mtx, 0); 747195801Smav 748195801Smav if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 749195801Smav device_printf(ch->dev, "FAILURE - create data_map\n"); 750195801Smav } 751195801Smav} 752195801Smav 753195801Smavstatic void 754195801Smavsiis_slotsfree(device_t dev) 755195801Smav{ 756195801Smav struct siis_channel *ch = device_get_softc(dev); 757195801Smav int i; 758195801Smav 759195801Smav /* Free all dma slots */ 760195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 761195801Smav struct siis_slot *slot = &ch->slot[i]; 762195801Smav 763198896Smav callout_drain(&slot->timeout); 764195801Smav if (slot->dma.data_map) { 765195801Smav bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 766195801Smav slot->dma.data_map = NULL; 767195801Smav } 768195801Smav } 769195801Smav} 770195801Smav 771195801Smavstatic void 772196655Smavsiis_notify_events(device_t dev) 773196655Smav{ 774196655Smav struct siis_channel *ch = device_get_softc(dev); 775196655Smav struct cam_path *dpath; 776196655Smav u_int32_t status; 777196655Smav int i; 778196655Smav 779200217Smav if (ch->quirks & SIIS_Q_SNTF) { 780200217Smav status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 781200217Smav ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 782200217Smav } else { 783200217Smav /* 784200217Smav * Without SNTF we have no idea which device sent notification. 785200217Smav * If PMP is connected, assume it, else - device. 786200217Smav */ 787200217Smav status = (ch->pm_present) ? 0x8000 : 0x0001; 788200217Smav } 789196655Smav if (bootverbose) 790196655Smav device_printf(dev, "SNTF 0x%04x\n", status); 791196655Smav for (i = 0; i < 16; i++) { 792196655Smav if ((status & (1 << i)) == 0) 793196655Smav continue; 794196655Smav if (xpt_create_path(&dpath, NULL, 795196655Smav xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 796196655Smav xpt_async(AC_SCSI_AEN, dpath, NULL); 797196655Smav xpt_free_path(dpath); 798196655Smav } 799196655Smav } 800196655Smav 801196655Smav} 802196655Smav 803196655Smavstatic void 804195801Smavsiis_phy_check_events(device_t dev) 805195801Smav{ 806195801Smav struct siis_channel *ch = device_get_softc(dev); 807195801Smav 808195801Smav /* If we have a connection event, deal with it */ 809195801Smav if (ch->pm_level == 0) { 810195801Smav u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 811203108Smav union ccb *ccb; 812203108Smav 813203165Smav if (bootverbose) { 814203165Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 815203165Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 816203165Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 817195801Smav device_printf(dev, "CONNECT requested\n"); 818203165Smav } else 819195801Smav device_printf(dev, "DISCONNECT requested\n"); 820195801Smav } 821203165Smav siis_reset(dev); 822203108Smav if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 823203108Smav return; 824203108Smav if (xpt_create_path(&ccb->ccb_h.path, NULL, 825203108Smav cam_sim_path(ch->sim), 826203108Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 827203108Smav xpt_free_ccb(ccb); 828203108Smav return; 829203108Smav } 830203108Smav xpt_rescan(ccb); 831195801Smav } 832195801Smav} 833195801Smav 834195801Smavstatic void 835195801Smavsiis_ch_intr_locked(void *data) 836195801Smav{ 837195801Smav device_t dev = (device_t)data; 838195801Smav struct siis_channel *ch = device_get_softc(dev); 839195801Smav 840195801Smav mtx_lock(&ch->mtx); 841235333Smav xpt_batch_start(ch->sim); 842195801Smav siis_ch_intr(data); 843235333Smav xpt_batch_done(ch->sim); 844195801Smav mtx_unlock(&ch->mtx); 845195801Smav} 846195801Smav 847195801Smavstatic void 848195801Smavsiis_ch_intr(void *data) 849195801Smav{ 850195801Smav device_t dev = (device_t)data; 851195801Smav struct siis_channel *ch = device_get_softc(dev); 852195801Smav uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 853195801Smav enum siis_err_type et; 854195801Smav int i, ccs, port, tslots; 855195801Smav 856195801Smav mtx_assert(&ch->mtx, MA_OWNED); 857195801Smav /* Read command statuses. */ 858195801Smav sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 859195801Smav ok = ch->rslots & ~sstatus; 860195801Smav /* Complete all successfull commands. */ 861195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 862195801Smav if ((ok >> i) & 1) 863195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 864195801Smav } 865195801Smav /* Do we have any other events? */ 866195801Smav if ((sstatus & SIIS_P_SS_ATTN) == 0) 867195801Smav return; 868195801Smav /* Read and clear interrupt statuses. */ 869195801Smav istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 870195801Smav (0xFFFF & ~SIIS_P_IX_COMMCOMP); 871195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 872195801Smav /* Process PHY events */ 873195801Smav if (istatus & SIIS_P_IX_PHYRDYCHG) 874195801Smav siis_phy_check_events(dev); 875196655Smav /* Process NOTIFY events */ 876196655Smav if (istatus & SIIS_P_IX_SDBN) 877196655Smav siis_notify_events(dev); 878195801Smav /* Process command errors */ 879195801Smav if (istatus & SIIS_P_IX_COMMERR) { 880195801Smav estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 881195801Smav ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 882195801Smav ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 883195801Smav port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 884195801Smav err = ch->rslots & sstatus; 885195801Smav//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 886195801Smav// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 887195801Smav// ATA_INL(ch->r_mem, SIIS_P_SERR)); 888195801Smav 889220566Smav if (!ch->recoverycmd && !ch->recovery) { 890195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 891195801Smav ch->recovery = 1; 892195801Smav } 893195801Smav if (ch->frozen) { 894195801Smav union ccb *fccb = ch->frozen; 895195801Smav ch->frozen = NULL; 896198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 897198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 898198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 899198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 900198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 901198321Smav } 902195801Smav xpt_done(fccb); 903195801Smav } 904195801Smav if (estatus == SIIS_P_CMDERR_DEV || 905195801Smav estatus == SIIS_P_CMDERR_SDB || 906195801Smav estatus == SIIS_P_CMDERR_DATAFIS) { 907195801Smav tslots = ch->numtslots[port]; 908195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 909198852Smav /* XXX: requests in loading state. */ 910195801Smav if (((ch->rslots >> i) & 1) == 0) 911195801Smav continue; 912195801Smav if (ch->slot[i].ccb->ccb_h.target_id != port) 913195801Smav continue; 914195801Smav if (tslots == 0) { 915195801Smav /* Untagged operation. */ 916195801Smav if (i == ccs) 917195801Smav et = SIIS_ERR_TFE; 918195801Smav else 919195801Smav et = SIIS_ERR_INNOCENT; 920195801Smav } else { 921195801Smav /* Tagged operation. */ 922195801Smav et = SIIS_ERR_NCQ; 923195801Smav } 924195801Smav siis_end_transaction(&ch->slot[i], et); 925195801Smav } 926195801Smav /* 927195801Smav * We can't reinit port if there are some other 928195801Smav * commands active, use resume to complete them. 929195801Smav */ 930220566Smav if (ch->rslots != 0 && !ch->recoverycmd) 931195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 932195801Smav } else { 933195801Smav if (estatus == SIIS_P_CMDERR_SENDFIS || 934195801Smav estatus == SIIS_P_CMDERR_INCSTATE || 935195801Smav estatus == SIIS_P_CMDERR_PPE || 936195801Smav estatus == SIIS_P_CMDERR_SERVICE) { 937195801Smav et = SIIS_ERR_SATA; 938195801Smav } else 939195801Smav et = SIIS_ERR_INVALID; 940195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 941198852Smav /* XXX: requests in loading state. */ 942195801Smav if (((ch->rslots >> i) & 1) == 0) 943195801Smav continue; 944195801Smav siis_end_transaction(&ch->slot[i], et); 945195801Smav } 946195801Smav } 947195801Smav } 948195801Smav} 949195801Smav 950195801Smav/* Must be called with channel locked. */ 951195801Smavstatic int 952195801Smavsiis_check_collision(device_t dev, union ccb *ccb) 953195801Smav{ 954195801Smav struct siis_channel *ch = device_get_softc(dev); 955195801Smav 956195801Smav mtx_assert(&ch->mtx, MA_OWNED); 957195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 958199747Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 959199747Smav /* Tagged command while we have no supported tag free. */ 960199747Smav if (((~ch->oslots) & (0x7fffffff >> (31 - 961199747Smav ch->curr[ccb->ccb_h.target_id].tags))) == 0) 962199747Smav return (1); 963199747Smav } 964199747Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 965195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 966195801Smav /* Atomic command while anything active. */ 967195801Smav if (ch->numrslots != 0) 968195801Smav return (1); 969195801Smav } 970195801Smav /* We have some atomic command running. */ 971195801Smav if (ch->aslots != 0) 972195801Smav return (1); 973195801Smav return (0); 974195801Smav} 975195801Smav 976195801Smav/* Must be called with channel locked. */ 977195801Smavstatic void 978195801Smavsiis_begin_transaction(device_t dev, union ccb *ccb) 979195801Smav{ 980195801Smav struct siis_channel *ch = device_get_softc(dev); 981195801Smav struct siis_slot *slot; 982199747Smav int tag, tags; 983195801Smav 984195801Smav mtx_assert(&ch->mtx, MA_OWNED); 985195801Smav /* Choose empty slot. */ 986199747Smav tags = SIIS_MAX_SLOTS; 987199747Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 988199747Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 989199747Smav tags = ch->curr[ccb->ccb_h.target_id].tags; 990199747Smav tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 991195801Smav /* Occupy chosen slot. */ 992195801Smav slot = &ch->slot[tag]; 993195801Smav slot->ccb = ccb; 994195801Smav /* Update channel stats. */ 995199747Smav ch->oslots |= (1 << slot->slot); 996195801Smav ch->numrslots++; 997195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 998195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 999195801Smav ch->numtslots[ccb->ccb_h.target_id]++; 1000195801Smav } 1001195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1002195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 1003195801Smav ch->aslots |= (1 << slot->slot); 1004195801Smav slot->dma.nsegs = 0; 1005195801Smav /* If request moves data, setup and load SG list */ 1006195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1007195801Smav slot->state = SIIS_SLOT_LOADING; 1008246713Skib bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map, 1009246713Skib ccb, siis_dmasetprd, slot, 0); 1010195801Smav } else 1011195801Smav siis_execute_transaction(slot); 1012195801Smav} 1013195801Smav 1014195801Smav/* Locked by busdma engine. */ 1015195801Smavstatic void 1016195801Smavsiis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1017195801Smav{ 1018195801Smav struct siis_slot *slot = arg; 1019195801Smav struct siis_channel *ch = device_get_softc(slot->dev); 1020195801Smav struct siis_cmd *ctp; 1021195801Smav struct siis_dma_prd *prd; 1022195801Smav int i; 1023195801Smav 1024195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1025195801Smav if (error) { 1026195801Smav device_printf(slot->dev, "DMA load error\n"); 1027220566Smav if (!ch->recoverycmd) 1028195801Smav xpt_freeze_simq(ch->sim, 1); 1029195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 1030195801Smav return; 1031195801Smav } 1032195801Smav KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 1033246713Skib slot->dma.nsegs = nsegs; 1034246713Skib if (nsegs != 0) { 1035246713Skib /* Get a piece of the workspace for this request */ 1036246713Skib ctp = (struct siis_cmd *)(ch->dma.work + SIIS_CT_OFFSET + 1037246713Skib (SIIS_CT_SIZE * slot->slot)); 1038246713Skib /* Fill S/G table */ 1039246713Skib if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 1040246713Skib prd = &ctp->u.ata.prd[0]; 1041246713Skib else 1042246713Skib prd = &ctp->u.atapi.prd[0]; 1043246713Skib for (i = 0; i < nsegs; i++) { 1044246713Skib prd[i].dba = htole64(segs[i].ds_addr); 1045246713Skib prd[i].dbc = htole32(segs[i].ds_len); 1046246713Skib prd[i].control = 0; 1047246713Skib } 1048246713Skib prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 1049246713Skib bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1050246713Skib ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 1051246713Skib BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 1052195801Smav } 1053195801Smav siis_execute_transaction(slot); 1054195801Smav} 1055195801Smav 1056195801Smav/* Must be called with channel locked. */ 1057195801Smavstatic void 1058195801Smavsiis_execute_transaction(struct siis_slot *slot) 1059195801Smav{ 1060195801Smav device_t dev = slot->dev; 1061195801Smav struct siis_channel *ch = device_get_softc(dev); 1062195801Smav struct siis_cmd *ctp; 1063195801Smav union ccb *ccb = slot->ccb; 1064195801Smav u_int64_t prb_bus; 1065195801Smav 1066195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1067195801Smav /* Get a piece of the workspace for this request */ 1068195801Smav ctp = (struct siis_cmd *) 1069195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 1070195801Smav ctp->control = 0; 1071195801Smav ctp->protocol_override = 0; 1072195801Smav ctp->transfer_count = 0; 1073195801Smav /* Special handling for Soft Reset command. */ 1074201222Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1075201222Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) { 1076201222Smav ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 1077201222Smav } else { 1078201222Smav ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE); 1079201222Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1080201222Smav ctp->protocol_override |= 1081201222Smav htole16(SIIS_PRB_PROTO_NCQ); 1082201222Smav } 1083201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1084201222Smav ctp->protocol_override |= 1085201222Smav htole16(SIIS_PRB_PROTO_READ); 1086201222Smav } else 1087201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1088201222Smav ctp->protocol_override |= 1089201222Smav htole16(SIIS_PRB_PROTO_WRITE); 1090201222Smav } 1091201222Smav } 1092195801Smav } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1093201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1094195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_READ); 1095201222Smav else 1096201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1097195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 1098195801Smav } 1099203108Smav /* Special handling for Soft Reset command. */ 1100203108Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1101203108Smav (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1102203108Smav (ccb->ataio.cmd.control & ATA_A_RESET)) { 1103203108Smav /* Kick controller into sane state */ 1104203108Smav siis_portinit(dev); 1105203108Smav } 1106195801Smav /* Setup the FIS for this request */ 1107199821Smav if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1108195801Smav device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1109220566Smav if (!ch->recoverycmd) 1110195801Smav xpt_freeze_simq(ch->sim, 1); 1111195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 1112195801Smav return; 1113195801Smav } 1114195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1115195801Smav BUS_DMASYNC_PREWRITE); 1116195801Smav /* Issue command to the controller. */ 1117195801Smav slot->state = SIIS_SLOT_RUNNING; 1118195801Smav ch->rslots |= (1 << slot->slot); 1119195801Smav prb_bus = ch->dma.work_bus + 1120195801Smav SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 1121195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1122195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1123195801Smav /* Start command execution timeout */ 1124195801Smav callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 1125195801Smav (timeout_t*)siis_timeout, slot); 1126195801Smav return; 1127195801Smav} 1128195801Smav 1129198852Smav/* Must be called with channel locked. */ 1130195801Smavstatic void 1131198852Smavsiis_process_timeout(device_t dev) 1132195801Smav{ 1133195801Smav struct siis_channel *ch = device_get_softc(dev); 1134195801Smav int i; 1135195801Smav 1136195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1137220566Smav if (!ch->recoverycmd && !ch->recovery) { 1138195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1139198852Smav ch->recovery = 1; 1140195801Smav } 1141197838Smav /* Handle the rest of commands. */ 1142195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1143195801Smav /* Do we have a running request on slot? */ 1144195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1145195801Smav continue; 1146198852Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1147195801Smav } 1148195801Smav} 1149195801Smav 1150203870Smav/* Must be called with channel locked. */ 1151203870Smavstatic void 1152203870Smavsiis_rearm_timeout(device_t dev) 1153203870Smav{ 1154203870Smav struct siis_channel *ch = device_get_softc(dev); 1155203870Smav int i; 1156203870Smav 1157203870Smav mtx_assert(&ch->mtx, MA_OWNED); 1158203870Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1159203870Smav struct siis_slot *slot = &ch->slot[i]; 1160203870Smav 1161203870Smav /* Do we have a running request on slot? */ 1162203870Smav if (slot->state < SIIS_SLOT_RUNNING) 1163203870Smav continue; 1164203870Smav if ((ch->toslots & (1 << i)) == 0) 1165203870Smav continue; 1166203870Smav callout_reset(&slot->timeout, 1167203870Smav (int)slot->ccb->ccb_h.timeout * hz / 1000, 1168203870Smav (timeout_t*)siis_timeout, slot); 1169203870Smav } 1170203870Smav} 1171203870Smav 1172198852Smav/* Locked by callout mechanism. */ 1173198852Smavstatic void 1174198852Smavsiis_timeout(struct siis_slot *slot) 1175198852Smav{ 1176198852Smav device_t dev = slot->dev; 1177198852Smav struct siis_channel *ch = device_get_softc(dev); 1178222285Smav union ccb *ccb = slot->ccb; 1179198852Smav 1180198852Smav mtx_assert(&ch->mtx, MA_OWNED); 1181198896Smav /* Check for stale timeout. */ 1182198896Smav if (slot->state < SIIS_SLOT_RUNNING) 1183198896Smav return; 1184222285Smav 1185222285Smav /* Handle soft-reset timeouts without doing hard-reset. */ 1186222285Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1187222285Smav (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1188222285Smav (ccb->ataio.cmd.control & ATA_A_RESET)) { 1189222285Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1190222285Smav siis_end_transaction(slot, SIIS_ERR_TFE); 1191222285Smav return; 1192222285Smav } 1193222285Smav 1194198852Smav device_printf(dev, "Timeout on slot %d\n", slot->slot); 1195203108Smav device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1196203108Smav __func__, ATA_INL(ch->r_mem, SIIS_P_IS), 1197203108Smav ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1198203108Smav ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1199203108Smav ATA_INL(ch->r_mem, SIIS_P_SERR)); 1200198852Smav 1201198852Smav if (ch->toslots == 0) 1202198852Smav xpt_freeze_simq(ch->sim, 1); 1203198852Smav ch->toslots |= (1 << slot->slot); 1204198852Smav if ((ch->rslots & ~ch->toslots) == 0) 1205198852Smav siis_process_timeout(dev); 1206198852Smav else 1207198852Smav device_printf(dev, " ... waiting for slots %08x\n", 1208198852Smav ch->rslots & ~ch->toslots); 1209198852Smav} 1210198852Smav 1211195801Smav/* Must be called with channel locked. */ 1212195801Smavstatic void 1213195801Smavsiis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1214195801Smav{ 1215195801Smav device_t dev = slot->dev; 1216195801Smav struct siis_channel *ch = device_get_softc(dev); 1217195801Smav union ccb *ccb = slot->ccb; 1218212732Smav int lastto; 1219195801Smav 1220195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1221195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1222195801Smav BUS_DMASYNC_POSTWRITE); 1223195801Smav /* Read result registers to the result struct 1224195801Smav * May be incorrect if several commands finished same time, 1225195801Smav * so read only when sure or have to. 1226195801Smav */ 1227195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1228195801Smav struct ata_res *res = &ccb->ataio.res; 1229195801Smav if ((et == SIIS_ERR_TFE) || 1230195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1231195801Smav int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1232195801Smav 1233195801Smav res->status = ATA_INB(ch->r_mem, offs + 2); 1234195801Smav res->error = ATA_INB(ch->r_mem, offs + 3); 1235195801Smav res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1236195801Smav res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1237195801Smav res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1238195801Smav res->device = ATA_INB(ch->r_mem, offs + 7); 1239195801Smav res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1240195801Smav res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1241195801Smav res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1242195801Smav res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1243195801Smav res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1244195801Smav } else 1245195801Smav bzero(res, sizeof(*res)); 1246214988Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1247214988Smav ch->numrslots == 1) { 1248214988Smav ccb->ataio.resid = ccb->ataio.dxfer_len - 1249214988Smav ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1250214988Smav } 1251214988Smav } else { 1252214988Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN && 1253214988Smav ch->numrslots == 1) { 1254214988Smav ccb->csio.resid = ccb->csio.dxfer_len - 1255214988Smav ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4); 1256214988Smav } 1257195801Smav } 1258195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1259195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1260195801Smav (ccb->ccb_h.flags & CAM_DIR_IN) ? 1261195801Smav BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1262195801Smav bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1263195801Smav } 1264195801Smav /* Set proper result status. */ 1265195801Smav if (et != SIIS_ERR_NONE || ch->recovery) { 1266195801Smav ch->eslots |= (1 << slot->slot); 1267195801Smav ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1268195801Smav } 1269198321Smav /* In case of error, freeze device for proper recovery. */ 1270220566Smav if (et != SIIS_ERR_NONE && (!ch->recoverycmd) && 1271198321Smav !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1272198321Smav xpt_freeze_devq(ccb->ccb_h.path, 1); 1273198321Smav ccb->ccb_h.status |= CAM_DEV_QFRZN; 1274198321Smav } 1275198321Smav ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1276195801Smav switch (et) { 1277195801Smav case SIIS_ERR_NONE: 1278195801Smav ccb->ccb_h.status |= CAM_REQ_CMP; 1279195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1280195801Smav ccb->csio.scsi_status = SCSI_STATUS_OK; 1281195801Smav break; 1282195801Smav case SIIS_ERR_INVALID: 1283198852Smav ch->fatalerr = 1; 1284195801Smav ccb->ccb_h.status |= CAM_REQ_INVALID; 1285195801Smav break; 1286195801Smav case SIIS_ERR_INNOCENT: 1287195801Smav ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1288195801Smav break; 1289195801Smav case SIIS_ERR_TFE: 1290198321Smav case SIIS_ERR_NCQ: 1291195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1292195801Smav ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1293195801Smav ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1294195801Smav } else { 1295195801Smav ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1296195801Smav } 1297195801Smav break; 1298195801Smav case SIIS_ERR_SATA: 1299198852Smav ch->fatalerr = 1; 1300195801Smav ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1301195801Smav break; 1302195801Smav case SIIS_ERR_TIMEOUT: 1303198852Smav ch->fatalerr = 1; 1304195801Smav ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1305195801Smav break; 1306195801Smav default: 1307195801Smav ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1308195801Smav } 1309195801Smav /* Free slot. */ 1310199747Smav ch->oslots &= ~(1 << slot->slot); 1311195801Smav ch->rslots &= ~(1 << slot->slot); 1312195801Smav ch->aslots &= ~(1 << slot->slot); 1313195801Smav slot->state = SIIS_SLOT_EMPTY; 1314195801Smav slot->ccb = NULL; 1315195801Smav /* Update channel stats. */ 1316195801Smav ch->numrslots--; 1317195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1318195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1319195801Smav ch->numtslots[ccb->ccb_h.target_id]--; 1320195801Smav } 1321212732Smav /* Cancel timeout state if request completed normally. */ 1322212732Smav if (et != SIIS_ERR_TIMEOUT) { 1323212732Smav lastto = (ch->toslots == (1 << slot->slot)); 1324212732Smav ch->toslots &= ~(1 << slot->slot); 1325212732Smav if (lastto) 1326212732Smav xpt_release_simq(ch->sim, TRUE); 1327212732Smav } 1328198852Smav /* If it was our READ LOG command - process it. */ 1329220566Smav if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) { 1330198852Smav siis_process_read_log(dev, ccb); 1331220566Smav /* If it was our REQUEST SENSE command - process it. */ 1332220566Smav } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) { 1333220566Smav siis_process_request_sense(dev, ccb); 1334220566Smav /* If it was NCQ or ATAPI command error, put result on hold. */ 1335220566Smav } else if (et == SIIS_ERR_NCQ || 1336220566Smav ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR && 1337220566Smav (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) { 1338195801Smav ch->hold[slot->slot] = ccb; 1339195801Smav ch->numhslots++; 1340198852Smav } else 1341195801Smav xpt_done(ccb); 1342195801Smav /* If we have no other active commands, ... */ 1343195801Smav if (ch->rslots == 0) { 1344198852Smav /* if there were timeouts or fatal error - reset port. */ 1345198852Smav if (ch->toslots != 0 || ch->fatalerr) { 1346198852Smav siis_reset(dev); 1347198852Smav } else { 1348198852Smav /* if we have slots in error, we can reinit port. */ 1349198852Smav if (ch->eslots != 0) 1350198852Smav siis_portinit(dev); 1351220566Smav /* if there commands on hold, we can do recovery. */ 1352220566Smav if (!ch->recoverycmd && ch->numhslots) 1353220566Smav siis_issue_recovery(dev); 1354198852Smav } 1355198852Smav /* If all the reset of commands are in timeout - abort them. */ 1356203870Smav } else if ((ch->rslots & ~ch->toslots) == 0 && 1357203870Smav et != SIIS_ERR_TIMEOUT) 1358203870Smav siis_rearm_timeout(dev); 1359222285Smav /* Unfreeze frozen command. */ 1360222285Smav if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1361222285Smav union ccb *fccb = ch->frozen; 1362222285Smav ch->frozen = NULL; 1363222285Smav siis_begin_transaction(dev, fccb); 1364222285Smav xpt_release_simq(ch->sim, TRUE); 1365222285Smav } 1366195801Smav} 1367195801Smav 1368195801Smavstatic void 1369220566Smavsiis_issue_recovery(device_t dev) 1370195801Smav{ 1371195801Smav struct siis_channel *ch = device_get_softc(dev); 1372195801Smav union ccb *ccb; 1373195801Smav struct ccb_ataio *ataio; 1374220566Smav struct ccb_scsiio *csio; 1375195801Smav int i; 1376195801Smav 1377220830Smav /* Find some held command. */ 1378195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1379195801Smav if (ch->hold[i]) 1380195801Smav break; 1381195801Smav } 1382195801Smav if (i == SIIS_MAX_SLOTS) 1383195801Smav return; 1384195801Smav ccb = xpt_alloc_ccb_nowait(); 1385195801Smav if (ccb == NULL) { 1386220830Smav device_printf(dev, "Unable to allocate recovery command\n"); 1387220822Smavcompleteall: 1388220830Smav /* We can't do anything -- complete held commands. */ 1389220822Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1390220822Smav if (ch->hold[i] == NULL) 1391220822Smav continue; 1392220822Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1393220822Smav ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL; 1394220822Smav xpt_done(ch->hold[i]); 1395220822Smav ch->hold[i] = NULL; 1396220822Smav ch->numhslots--; 1397220822Smav } 1398220822Smav siis_reset(dev); 1399220822Smav return; 1400195801Smav } 1401195801Smav ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1402220566Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1403220566Smav /* READ LOG */ 1404220566Smav ccb->ccb_h.recovery_type = RECOVERY_READ_LOG; 1405220566Smav ccb->ccb_h.func_code = XPT_ATA_IO; 1406220566Smav ccb->ccb_h.flags = CAM_DIR_IN; 1407220566Smav ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1408220566Smav ataio = &ccb->ataio; 1409220566Smav ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1410220566Smav if (ataio->data_ptr == NULL) { 1411220566Smav xpt_free_ccb(ccb); 1412220822Smav device_printf(dev, 1413220830Smav "Unable to allocate memory for READ LOG command\n"); 1414220822Smav goto completeall; 1415220566Smav } 1416220566Smav ataio->dxfer_len = 512; 1417220566Smav bzero(&ataio->cmd, sizeof(ataio->cmd)); 1418220566Smav ataio->cmd.flags = CAM_ATAIO_48BIT; 1419220566Smav ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1420220566Smav ataio->cmd.sector_count = 1; 1421220566Smav ataio->cmd.sector_count_exp = 0; 1422220566Smav ataio->cmd.lba_low = 0x10; 1423220566Smav ataio->cmd.lba_mid = 0; 1424220566Smav ataio->cmd.lba_mid_exp = 0; 1425220566Smav } else { 1426220566Smav /* REQUEST SENSE */ 1427220566Smav ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE; 1428220566Smav ccb->ccb_h.recovery_slot = i; 1429220566Smav ccb->ccb_h.func_code = XPT_SCSI_IO; 1430220566Smav ccb->ccb_h.flags = CAM_DIR_IN; 1431220566Smav ccb->ccb_h.status = 0; 1432220566Smav ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1433220566Smav csio = &ccb->csio; 1434220566Smav csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data; 1435220566Smav csio->dxfer_len = ch->hold[i]->csio.sense_len; 1436220566Smav csio->cdb_len = 6; 1437220566Smav bzero(&csio->cdb_io, sizeof(csio->cdb_io)); 1438220566Smav csio->cdb_io.cdb_bytes[0] = 0x03; 1439220566Smav csio->cdb_io.cdb_bytes[4] = csio->dxfer_len; 1440195801Smav } 1441220822Smav ch->recoverycmd = 1; 1442195801Smav siis_begin_transaction(dev, ccb); 1443195801Smav} 1444195801Smav 1445195801Smavstatic void 1446195801Smavsiis_process_read_log(device_t dev, union ccb *ccb) 1447195801Smav{ 1448195801Smav struct siis_channel *ch = device_get_softc(dev); 1449195801Smav uint8_t *data; 1450195801Smav struct ata_res *res; 1451195801Smav int i; 1452195801Smav 1453220566Smav ch->recoverycmd = 0; 1454195801Smav data = ccb->ataio.data_ptr; 1455195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1456195801Smav (data[0] & 0x80) == 0) { 1457195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1458195801Smav if (!ch->hold[i]) 1459195801Smav continue; 1460195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1461195801Smav continue; 1462195801Smav if ((data[0] & 0x1F) == i) { 1463195801Smav res = &ch->hold[i]->ataio.res; 1464195801Smav res->status = data[2]; 1465195801Smav res->error = data[3]; 1466195801Smav res->lba_low = data[4]; 1467195801Smav res->lba_mid = data[5]; 1468195801Smav res->lba_high = data[6]; 1469195801Smav res->device = data[7]; 1470195801Smav res->lba_low_exp = data[8]; 1471195801Smav res->lba_mid_exp = data[9]; 1472195801Smav res->lba_high_exp = data[10]; 1473195801Smav res->sector_count = data[12]; 1474195801Smav res->sector_count_exp = data[13]; 1475195801Smav } else { 1476195801Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1477195801Smav ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1478195801Smav } 1479195801Smav xpt_done(ch->hold[i]); 1480195801Smav ch->hold[i] = NULL; 1481195801Smav ch->numhslots--; 1482195801Smav } 1483195801Smav } else { 1484195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1485195801Smav device_printf(dev, "Error while READ LOG EXT\n"); 1486195801Smav else if ((data[0] & 0x80) == 0) { 1487195801Smav device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1488195801Smav } 1489195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1490195801Smav if (!ch->hold[i]) 1491195801Smav continue; 1492195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1493195801Smav continue; 1494195801Smav xpt_done(ch->hold[i]); 1495195801Smav ch->hold[i] = NULL; 1496195801Smav ch->numhslots--; 1497195801Smav } 1498195801Smav } 1499195801Smav free(ccb->ataio.data_ptr, M_SIIS); 1500195801Smav xpt_free_ccb(ccb); 1501195801Smav} 1502195801Smav 1503195801Smavstatic void 1504220566Smavsiis_process_request_sense(device_t dev, union ccb *ccb) 1505220566Smav{ 1506220566Smav struct siis_channel *ch = device_get_softc(dev); 1507220566Smav int i; 1508220566Smav 1509220566Smav ch->recoverycmd = 0; 1510220566Smav 1511220566Smav i = ccb->ccb_h.recovery_slot; 1512220566Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1513220566Smav ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID; 1514220566Smav } else { 1515220566Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1516220566Smav ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL; 1517220566Smav } 1518220566Smav xpt_done(ch->hold[i]); 1519220566Smav ch->hold[i] = NULL; 1520220566Smav ch->numhslots--; 1521220566Smav xpt_free_ccb(ccb); 1522220566Smav} 1523220566Smav 1524220566Smavstatic void 1525195801Smavsiis_portinit(device_t dev) 1526195801Smav{ 1527195801Smav struct siis_channel *ch = device_get_softc(dev); 1528195801Smav int i; 1529195801Smav 1530195801Smav ch->eslots = 0; 1531195801Smav ch->recovery = 0; 1532195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1533195801Smav for (i = 0; i < 16; i++) { 1534195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1535195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1536195801Smav } 1537195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1538195801Smav siis_wait_ready(dev, 1000); 1539195801Smav} 1540195801Smav 1541198426Smavstatic int 1542195801Smavsiis_devreset(device_t dev) 1543195801Smav{ 1544195801Smav struct siis_channel *ch = device_get_softc(dev); 1545198426Smav int timeout = 0; 1546198426Smav uint32_t val; 1547195801Smav 1548195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1549198426Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1550198426Smav SIIS_P_CTL_DEV_RESET) != 0) { 1551220829Smav DELAY(100); 1552220829Smav if (timeout++ > 1000) { 1553220829Smav device_printf(dev, "device reset stuck " 1554220829Smav "(timeout 100ms) status = %08x\n", val); 1555198426Smav return (EBUSY); 1556198426Smav } 1557198426Smav } 1558198426Smav return (0); 1559195801Smav} 1560195801Smav 1561195801Smavstatic int 1562195801Smavsiis_wait_ready(device_t dev, int t) 1563195801Smav{ 1564195801Smav struct siis_channel *ch = device_get_softc(dev); 1565195801Smav int timeout = 0; 1566195801Smav uint32_t val; 1567195801Smav 1568195801Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1569195801Smav SIIS_P_CTL_READY) == 0) { 1570195801Smav DELAY(1000); 1571195801Smav if (timeout++ > t) { 1572195801Smav device_printf(dev, "port is not ready (timeout %dms) " 1573195801Smav "status = %08x\n", t, val); 1574195801Smav return (EBUSY); 1575195801Smav } 1576195801Smav } 1577195801Smav return (0); 1578195801Smav} 1579195801Smav 1580195801Smavstatic void 1581195801Smavsiis_reset(device_t dev) 1582195801Smav{ 1583195801Smav struct siis_channel *ch = device_get_softc(dev); 1584199821Smav int i, retry = 0, sata_rev; 1585198426Smav uint32_t val; 1586195801Smav 1587203108Smav xpt_freeze_simq(ch->sim, 1); 1588195801Smav if (bootverbose) 1589195801Smav device_printf(dev, "SIIS reset...\n"); 1590220566Smav if (!ch->recoverycmd && !ch->recovery) 1591198852Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1592198852Smav /* Requeue frozen command. */ 1593195801Smav if (ch->frozen) { 1594195801Smav union ccb *fccb = ch->frozen; 1595195801Smav ch->frozen = NULL; 1596198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1597198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1598198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1599198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 1600198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 1601198321Smav } 1602195801Smav xpt_done(fccb); 1603195801Smav } 1604198426Smav /* Requeue all running commands. */ 1605195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1606195801Smav /* Do we have a running request on slot? */ 1607195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1608195801Smav continue; 1609195801Smav /* XXX; Commands in loading state. */ 1610195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1611195801Smav } 1612220830Smav /* Finish all held commands as-is. */ 1613198852Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1614198852Smav if (!ch->hold[i]) 1615198852Smav continue; 1616198852Smav xpt_done(ch->hold[i]); 1617198852Smav ch->hold[i] = NULL; 1618198852Smav ch->numhslots--; 1619198852Smav } 1620198852Smav if (ch->toslots != 0) 1621198852Smav xpt_release_simq(ch->sim, TRUE); 1622198852Smav ch->eslots = 0; 1623198852Smav ch->recovery = 0; 1624198852Smav ch->toslots = 0; 1625198852Smav ch->fatalerr = 0; 1626198426Smav /* Disable port interrupts */ 1627198426Smav ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1628198426Smav /* Set speed limit. */ 1629199821Smav sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1630199821Smav if (sata_rev == 1) 1631198426Smav val = ATA_SC_SPD_SPEED_GEN1; 1632199821Smav else if (sata_rev == 2) 1633198426Smav val = ATA_SC_SPD_SPEED_GEN2; 1634199821Smav else if (sata_rev == 3) 1635198426Smav val = ATA_SC_SPD_SPEED_GEN3; 1636198426Smav else 1637198426Smav val = 0; 1638198426Smav ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1639198426Smav ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1640198426Smav (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1641198852Smavretry: 1642198426Smav siis_devreset(dev); 1643195801Smav /* Reset and reconnect PHY, */ 1644198426Smav if (!siis_sata_connect(ch)) { 1645195801Smav ch->devices = 0; 1646195801Smav /* Enable port interrupts */ 1647195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1648195801Smav if (bootverbose) 1649195801Smav device_printf(dev, 1650195801Smav "SIIS reset done: phy reset found no device\n"); 1651195801Smav /* Tell the XPT about the event */ 1652195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1653203108Smav xpt_release_simq(ch->sim, TRUE); 1654195801Smav return; 1655195801Smav } 1656220591Smav /* Wait for port ready status. */ 1657220591Smav if (siis_wait_ready(dev, 1000)) { 1658220591Smav device_printf(dev, "port ready timeout\n"); 1659198852Smav if (!retry) { 1660198852Smav device_printf(dev, "trying full port reset ...\n"); 1661198852Smav /* Get port to the reset state. */ 1662198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1663198852Smav DELAY(10000); 1664198852Smav /* Get port out of reset state. */ 1665198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1666198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1667198852Smav if (ch->pm_present) 1668198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1669198852Smav else 1670198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1671198852Smav siis_wait_ready(dev, 5000); 1672198852Smav retry = 1; 1673198852Smav goto retry; 1674198852Smav } 1675198852Smav } 1676195801Smav ch->devices = 1; 1677195801Smav /* Enable port interrupts */ 1678195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1679195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1680195801Smav if (bootverbose) 1681195801Smav device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1682195801Smav /* Tell the XPT about the event */ 1683195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1684203108Smav xpt_release_simq(ch->sim, TRUE); 1685195801Smav} 1686195801Smav 1687195801Smavstatic int 1688199821Smavsiis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1689195801Smav{ 1690199821Smav struct siis_channel *ch = device_get_softc(dev); 1691195801Smav u_int8_t *fis = &ctp->fis[0]; 1692195801Smav 1693195801Smav bzero(fis, 24); 1694195801Smav fis[0] = 0x27; /* host to device */ 1695195801Smav fis[1] = (ccb->ccb_h.target_id & 0x0f); 1696195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1697195801Smav fis[1] |= 0x80; 1698195801Smav fis[2] = ATA_PACKET_CMD; 1699199821Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1700199821Smav ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1701195801Smav fis[3] = ATA_F_DMA; 1702195801Smav else { 1703195801Smav fis[5] = ccb->csio.dxfer_len; 1704195801Smav fis[6] = ccb->csio.dxfer_len >> 8; 1705195801Smav } 1706195801Smav fis[7] = ATA_D_LBA; 1707195801Smav fis[15] = ATA_A_4BIT; 1708195801Smav bzero(ctp->u.atapi.ccb, 16); 1709195801Smav bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1710195801Smav ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1711195801Smav ctp->u.atapi.ccb, ccb->csio.cdb_len); 1712195801Smav } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1713195801Smav fis[1] |= 0x80; 1714195801Smav fis[2] = ccb->ataio.cmd.command; 1715195801Smav fis[3] = ccb->ataio.cmd.features; 1716195801Smav fis[4] = ccb->ataio.cmd.lba_low; 1717195801Smav fis[5] = ccb->ataio.cmd.lba_mid; 1718195801Smav fis[6] = ccb->ataio.cmd.lba_high; 1719195801Smav fis[7] = ccb->ataio.cmd.device; 1720195801Smav fis[8] = ccb->ataio.cmd.lba_low_exp; 1721195801Smav fis[9] = ccb->ataio.cmd.lba_mid_exp; 1722195801Smav fis[10] = ccb->ataio.cmd.lba_high_exp; 1723195801Smav fis[11] = ccb->ataio.cmd.features_exp; 1724195801Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1725195801Smav fis[12] = tag << 3; 1726195801Smav fis[13] = 0; 1727195801Smav } else { 1728195801Smav fis[12] = ccb->ataio.cmd.sector_count; 1729195801Smav fis[13] = ccb->ataio.cmd.sector_count_exp; 1730195801Smav } 1731195801Smav fis[15] = ATA_A_4BIT; 1732195801Smav } else { 1733195801Smav /* Soft reset. */ 1734195801Smav } 1735195801Smav return (20); 1736195801Smav} 1737195801Smav 1738195801Smavstatic int 1739195801Smavsiis_sata_connect(struct siis_channel *ch) 1740195801Smav{ 1741195801Smav u_int32_t status; 1742220829Smav int timeout, found = 0; 1743195801Smav 1744195801Smav /* Wait up to 100ms for "connect well" */ 1745220829Smav for (timeout = 0; timeout < 1000 ; timeout++) { 1746195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1747220829Smav if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE) 1748220829Smav found = 1; 1749195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1750195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1751195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1752195801Smav break; 1753220829Smav if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) { 1754220829Smav if (bootverbose) { 1755220829Smav device_printf(ch->dev, "SATA offline status=%08x\n", 1756220829Smav status); 1757220829Smav } 1758220829Smav return (0); 1759220829Smav } 1760220829Smav if (found == 0 && timeout >= 100) 1761220829Smav break; 1762220829Smav DELAY(100); 1763195801Smav } 1764220829Smav if (timeout >= 1000 || !found) { 1765195801Smav if (bootverbose) { 1766220829Smav device_printf(ch->dev, 1767220829Smav "SATA connect timeout time=%dus status=%08x\n", 1768220829Smav timeout * 100, status); 1769195801Smav } 1770195801Smav return (0); 1771195801Smav } 1772195801Smav if (bootverbose) { 1773220829Smav device_printf(ch->dev, "SATA connect time=%dus status=%08x\n", 1774220829Smav timeout * 100, status); 1775195801Smav } 1776195801Smav /* Clear SATA error register */ 1777195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1778195801Smav return (1); 1779195801Smav} 1780195801Smav 1781207431Smavstatic int 1782207431Smavsiis_check_ids(device_t dev, union ccb *ccb) 1783207431Smav{ 1784207431Smav 1785207431Smav if (ccb->ccb_h.target_id > 15) { 1786207431Smav ccb->ccb_h.status = CAM_TID_INVALID; 1787207431Smav xpt_done(ccb); 1788207431Smav return (-1); 1789207431Smav } 1790207431Smav if (ccb->ccb_h.target_lun != 0) { 1791207431Smav ccb->ccb_h.status = CAM_LUN_INVALID; 1792207431Smav xpt_done(ccb); 1793207431Smav return (-1); 1794207431Smav } 1795207431Smav return (0); 1796207431Smav} 1797207431Smav 1798195801Smavstatic void 1799195801Smavsiisaction(struct cam_sim *sim, union ccb *ccb) 1800195801Smav{ 1801210471Smav device_t dev, parent; 1802195801Smav struct siis_channel *ch; 1803195801Smav 1804195801Smav CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1805195801Smav ccb->ccb_h.func_code)); 1806195801Smav 1807195801Smav ch = (struct siis_channel *)cam_sim_softc(sim); 1808195801Smav dev = ch->dev; 1809195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1810195801Smav switch (ccb->ccb_h.func_code) { 1811195801Smav /* Common cases first */ 1812195801Smav case XPT_ATA_IO: /* Execute the requested I/O operation */ 1813195801Smav case XPT_SCSI_IO: 1814207431Smav if (siis_check_ids(dev, ccb)) 1815207431Smav return; 1816207431Smav if (ch->devices == 0 || 1817207431Smav (ch->pm_present == 0 && 1818207431Smav ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { 1819195801Smav ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1820195801Smav break; 1821195801Smav } 1822220566Smav ccb->ccb_h.recovery_type = RECOVERY_NONE; 1823195801Smav /* Check for command collision. */ 1824195801Smav if (siis_check_collision(dev, ccb)) { 1825195801Smav /* Freeze command. */ 1826195801Smav ch->frozen = ccb; 1827195801Smav /* We have only one frozen slot, so freeze simq also. */ 1828195801Smav xpt_freeze_simq(ch->sim, 1); 1829195801Smav return; 1830195801Smav } 1831195801Smav siis_begin_transaction(dev, ccb); 1832207431Smav return; 1833195801Smav case XPT_EN_LUN: /* Enable LUN as a target */ 1834195801Smav case XPT_TARGET_IO: /* Execute target I/O request */ 1835195801Smav case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1836195801Smav case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1837195801Smav case XPT_ABORT: /* Abort the specified CCB */ 1838195801Smav /* XXX Implement */ 1839195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1840195801Smav break; 1841195801Smav case XPT_SET_TRAN_SETTINGS: 1842195801Smav { 1843195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1844199747Smav struct siis_device *d; 1845195801Smav 1846207431Smav if (siis_check_ids(dev, ccb)) 1847207431Smav return; 1848199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1849199747Smav d = &ch->curr[ccb->ccb_h.target_id]; 1850199747Smav else 1851199747Smav d = &ch->user[ccb->ccb_h.target_id]; 1852199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1853199747Smav d->revision = cts->xport_specific.sata.revision; 1854199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1855199747Smav d->mode = cts->xport_specific.sata.mode; 1856199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1857199747Smav d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1858199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1859199747Smav d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1860195801Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1861198852Smav ch->pm_present = cts->xport_specific.sata.pm_present; 1862198852Smav if (ch->pm_present) 1863195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1864195801Smav else 1865195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1866195801Smav } 1867203376Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1868203376Smav d->atapi = cts->xport_specific.sata.atapi; 1869207499Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1870207499Smav d->caps = cts->xport_specific.sata.caps; 1871195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1872195801Smav break; 1873195801Smav } 1874195801Smav case XPT_GET_TRAN_SETTINGS: 1875195801Smav /* Get default/user set transfer settings for the target */ 1876195801Smav { 1877195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1878199747Smav struct siis_device *d; 1879195801Smav uint32_t status; 1880195801Smav 1881207431Smav if (siis_check_ids(dev, ccb)) 1882207431Smav return; 1883199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1884199747Smav d = &ch->curr[ccb->ccb_h.target_id]; 1885199747Smav else 1886199747Smav d = &ch->user[ccb->ccb_h.target_id]; 1887236666Smav cts->protocol = PROTO_UNSPECIFIED; 1888196655Smav cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1889195801Smav cts->transport = XPORT_SATA; 1890196655Smav cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1891195801Smav cts->proto_specific.valid = 0; 1892195801Smav cts->xport_specific.sata.valid = 0; 1893199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1894199747Smav (ccb->ccb_h.target_id == 15 || 1895199747Smav (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1896195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1897199747Smav if (status & 0x0f0) { 1898199747Smav cts->xport_specific.sata.revision = 1899199747Smav (status & 0x0f0) >> 4; 1900199747Smav cts->xport_specific.sata.valid |= 1901199747Smav CTS_SATA_VALID_REVISION; 1902199747Smav } 1903207499Smav cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; 1904207499Smav if (ch->pm_level) 1905207499Smav cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; 1906220602Smav cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; 1907207499Smav cts->xport_specific.sata.caps &= 1908207499Smav ch->user[ccb->ccb_h.target_id].caps; 1909207499Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1910199747Smav } else { 1911199747Smav cts->xport_specific.sata.revision = d->revision; 1912199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1913207499Smav cts->xport_specific.sata.caps = d->caps; 1914220602Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1915220602Smav (ch->quirks & SIIS_Q_SNTF) == 0) 1916220602Smav cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; 1917207499Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 1918195801Smav } 1919199747Smav cts->xport_specific.sata.mode = d->mode; 1920199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1921199747Smav cts->xport_specific.sata.bytecount = d->bytecount; 1922199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1923198852Smav cts->xport_specific.sata.pm_present = ch->pm_present; 1924195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1925199747Smav cts->xport_specific.sata.tags = d->tags; 1926199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1927203376Smav cts->xport_specific.sata.atapi = d->atapi; 1928203376Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1929195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1930195801Smav break; 1931195801Smav } 1932195801Smav case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1933195801Smav case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1934195801Smav siis_reset(dev); 1935195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1936195801Smav break; 1937195801Smav case XPT_TERM_IO: /* Terminate the I/O process */ 1938195801Smav /* XXX Implement */ 1939195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1940195801Smav break; 1941195801Smav case XPT_PATH_INQ: /* Path routing inquiry */ 1942195801Smav { 1943195801Smav struct ccb_pathinq *cpi = &ccb->cpi; 1944195801Smav 1945210471Smav parent = device_get_parent(dev); 1946195801Smav cpi->version_num = 1; /* XXX??? */ 1947195801Smav cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1948195801Smav cpi->hba_inquiry |= PI_SATAPM; 1949195801Smav cpi->target_sprt = 0; 1950248522Skib cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED; 1951195801Smav cpi->hba_eng_cnt = 0; 1952198322Smav cpi->max_target = 15; 1953195801Smav cpi->max_lun = 0; 1954195801Smav cpi->initiator_id = 0; 1955195801Smav cpi->bus_id = cam_sim_bus(sim); 1956195801Smav cpi->base_transfer_speed = 150000; 1957195801Smav strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1958195801Smav strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1959195801Smav strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1960195801Smav cpi->unit_number = cam_sim_unit(sim); 1961195801Smav cpi->transport = XPORT_SATA; 1962196655Smav cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1963236847Smav cpi->protocol = PROTO_ATA; 1964196655Smav cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1965210471Smav cpi->maxio = MAXPHYS; 1966210471Smav cpi->hba_vendor = pci_get_vendor(parent); 1967210471Smav cpi->hba_device = pci_get_device(parent); 1968210471Smav cpi->hba_subvendor = pci_get_subvendor(parent); 1969210471Smav cpi->hba_subdevice = pci_get_subdevice(parent); 1970195801Smav cpi->ccb_h.status = CAM_REQ_CMP; 1971195801Smav break; 1972195801Smav } 1973195801Smav default: 1974195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1975195801Smav break; 1976195801Smav } 1977207431Smav xpt_done(ccb); 1978195801Smav} 1979195801Smav 1980195801Smavstatic void 1981195801Smavsiispoll(struct cam_sim *sim) 1982195801Smav{ 1983195801Smav struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1984195801Smav 1985195801Smav siis_ch_intr(ch->dev); 1986195801Smav} 1987