siis.c revision 203870
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: head/sys/dev/siis/siis.c 203870 2010-02-14 12:27:49Z mav $"); 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> 47195801Smav#include <dev/pci/pcivar.h> 48195801Smav#include <dev/pci/pcireg.h> 49195801Smav#include "siis.h" 50195801Smav 51195801Smav#include <cam/cam.h> 52195801Smav#include <cam/cam_ccb.h> 53195801Smav#include <cam/cam_sim.h> 54195801Smav#include <cam/cam_xpt_sim.h> 55195801Smav#include <cam/cam_debug.h> 56195801Smav 57195801Smav/* local prototypes */ 58195801Smavstatic int siis_setup_interrupt(device_t dev); 59195801Smavstatic void siis_intr(void *data); 60195801Smavstatic int siis_suspend(device_t dev); 61195801Smavstatic int siis_resume(device_t dev); 62195801Smavstatic int siis_ch_suspend(device_t dev); 63195801Smavstatic int siis_ch_resume(device_t dev); 64195801Smavstatic void siis_ch_intr_locked(void *data); 65195801Smavstatic void siis_ch_intr(void *data); 66195801Smavstatic void siis_begin_transaction(device_t dev, union ccb *ccb); 67195801Smavstatic void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 68195801Smavstatic void siis_execute_transaction(struct siis_slot *slot); 69195801Smavstatic void siis_timeout(struct siis_slot *slot); 70195801Smavstatic void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 71199821Smavstatic int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag); 72195801Smavstatic void siis_dmainit(device_t dev); 73195801Smavstatic void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 74195801Smavstatic void siis_dmafini(device_t dev); 75195801Smavstatic void siis_slotsalloc(device_t dev); 76195801Smavstatic void siis_slotsfree(device_t dev); 77195801Smavstatic void siis_reset(device_t dev); 78195801Smavstatic void siis_portinit(device_t dev); 79195801Smavstatic int siis_wait_ready(device_t dev, int t); 80195801Smav 81195801Smavstatic int siis_sata_connect(struct siis_channel *ch); 82195801Smav 83195801Smavstatic void siis_issue_read_log(device_t dev); 84195801Smavstatic void siis_process_read_log(device_t dev, union ccb *ccb); 85195801Smav 86195801Smavstatic void siisaction(struct cam_sim *sim, union ccb *ccb); 87195801Smavstatic void siispoll(struct cam_sim *sim); 88195801Smav 89195801SmavMALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 90195801Smav 91199132Smavstatic struct { 92199132Smav uint32_t id; 93199132Smav const char *name; 94199132Smav int ports; 95200217Smav int quirks; 96200217Smav#define SIIS_Q_SNTF 1 97199132Smav} siis_ids[] = { 98200217Smav {0x31241095, "SiI3124", 4, 0}, 99200217Smav {0x31248086, "SiI3124", 4, 0}, 100200217Smav {0x31321095, "SiI3132", 2, SIIS_Q_SNTF}, 101200217Smav {0x02421095, "SiI3132", 2, SIIS_Q_SNTF}, 102200217Smav {0x02441095, "SiI3132", 2, SIIS_Q_SNTF}, 103200217Smav {0x31311095, "SiI3131", 1, SIIS_Q_SNTF}, 104200217Smav {0x35311095, "SiI3531", 1, SIIS_Q_SNTF}, 105200217Smav {0, NULL, 0, 0} 106199132Smav}; 107199132Smav 108195801Smavstatic int 109195801Smavsiis_probe(device_t dev) 110195801Smav{ 111199132Smav char buf[64]; 112199132Smav int i; 113195801Smav uint32_t devid = pci_get_devid(dev); 114195801Smav 115199132Smav for (i = 0; siis_ids[i].id != 0; i++) { 116199132Smav if (siis_ids[i].id == devid) { 117200217Smav snprintf(buf, sizeof(buf), "%s SATA controller", 118199132Smav siis_ids[i].name); 119199132Smav device_set_desc_copy(dev, buf); 120199132Smav return (BUS_PROBE_VENDOR); 121199132Smav } 122195801Smav } 123199132Smav return (ENXIO); 124195801Smav} 125195801Smav 126195801Smavstatic int 127195801Smavsiis_attach(device_t dev) 128195801Smav{ 129195801Smav struct siis_controller *ctlr = device_get_softc(dev); 130195801Smav uint32_t devid = pci_get_devid(dev); 131195801Smav device_t child; 132199132Smav int error, i, unit; 133195801Smav 134200217Smav ctlr->dev = dev; 135199132Smav for (i = 0; siis_ids[i].id != 0; i++) { 136199132Smav if (siis_ids[i].id == devid) 137199132Smav break; 138199132Smav } 139200217Smav ctlr->quirks = siis_ids[i].quirks; 140195801Smav /* Global memory */ 141195801Smav ctlr->r_grid = PCIR_BAR(0); 142195801Smav if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 143195801Smav &ctlr->r_grid, RF_ACTIVE))) 144195801Smav return (ENXIO); 145200223Smav ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 146195801Smav /* Channels memory */ 147195801Smav ctlr->r_rid = PCIR_BAR(2); 148195801Smav if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 149195801Smav &ctlr->r_rid, RF_ACTIVE))) 150195801Smav return (ENXIO); 151195801Smav /* Setup our own memory management for channels. */ 152195801Smav ctlr->sc_iomem.rm_type = RMAN_ARRAY; 153195801Smav ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 154195801Smav if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 155195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 156195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 157195801Smav return (error); 158195801Smav } 159195801Smav if ((error = rman_manage_region(&ctlr->sc_iomem, 160195801Smav rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 161195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 162195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 163195801Smav rman_fini(&ctlr->sc_iomem); 164195801Smav return (error); 165195801Smav } 166195801Smav /* Reset controller */ 167195801Smav siis_resume(dev); 168195801Smav /* Number of HW channels */ 169199132Smav ctlr->channels = siis_ids[i].ports; 170195801Smav /* Setup interrupts. */ 171195801Smav if (siis_setup_interrupt(dev)) { 172195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 173195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 174195801Smav rman_fini(&ctlr->sc_iomem); 175195801Smav return ENXIO; 176195801Smav } 177195801Smav /* Attach all channels on this controller */ 178195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 179195801Smav child = device_add_child(dev, "siisch", -1); 180195801Smav if (child == NULL) 181195801Smav device_printf(dev, "failed to add channel device\n"); 182195801Smav else 183195801Smav device_set_ivars(child, (void *)(intptr_t)unit); 184195801Smav } 185195801Smav bus_generic_attach(dev); 186195801Smav return 0; 187195801Smav} 188195801Smav 189195801Smavstatic int 190195801Smavsiis_detach(device_t dev) 191195801Smav{ 192195801Smav struct siis_controller *ctlr = device_get_softc(dev); 193195801Smav device_t *children; 194195801Smav int nchildren, i; 195195801Smav 196195801Smav /* Detach & delete all children */ 197195801Smav if (!device_get_children(dev, &children, &nchildren)) { 198195801Smav for (i = 0; i < nchildren; i++) 199195801Smav device_delete_child(dev, children[i]); 200195801Smav free(children, M_TEMP); 201195801Smav } 202195801Smav /* Free interrupts. */ 203195801Smav if (ctlr->irq.r_irq) { 204195801Smav bus_teardown_intr(dev, ctlr->irq.r_irq, 205195801Smav ctlr->irq.handle); 206195801Smav bus_release_resource(dev, SYS_RES_IRQ, 207195801Smav ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 208195801Smav } 209195801Smav pci_release_msi(dev); 210195801Smav /* Free memory. */ 211195801Smav rman_fini(&ctlr->sc_iomem); 212195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 213195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 214195801Smav return (0); 215195801Smav} 216195801Smav 217195801Smavstatic int 218195801Smavsiis_suspend(device_t dev) 219195801Smav{ 220195801Smav struct siis_controller *ctlr = device_get_softc(dev); 221195801Smav 222195801Smav bus_generic_suspend(dev); 223195801Smav /* Put controller into reset state. */ 224200223Smav ctlr->gctl |= SIIS_GCTL_GRESET; 225200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 226195801Smav return 0; 227195801Smav} 228195801Smav 229195801Smavstatic int 230195801Smavsiis_resume(device_t dev) 231195801Smav{ 232195801Smav struct siis_controller *ctlr = device_get_softc(dev); 233195801Smav 234200291Smav /* Set PCIe max read request size to at least 1024 bytes */ 235203529Smav if (pci_get_max_read_req(dev) < 1024) 236203529Smav pci_set_max_read_req(dev, 1024); 237195801Smav /* Put controller into reset state. */ 238200223Smav ctlr->gctl |= SIIS_GCTL_GRESET; 239200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 240195801Smav DELAY(10000); 241195801Smav /* Get controller out of reset state and enable port interrupts. */ 242200223Smav ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 243200223Smav ctlr->gctl |= 0x0000000f; 244200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 245195801Smav return (bus_generic_resume(dev)); 246195801Smav} 247195801Smav 248195801Smavstatic int 249195801Smavsiis_setup_interrupt(device_t dev) 250195801Smav{ 251195801Smav struct siis_controller *ctlr = device_get_softc(dev); 252195801Smav int msi = 0; 253195801Smav 254195801Smav /* Process hints. */ 255195801Smav resource_int_value(device_get_name(dev), 256195801Smav device_get_unit(dev), "msi", &msi); 257195801Smav if (msi < 0) 258195801Smav msi = 0; 259195801Smav else if (msi > 0) 260195801Smav msi = min(1, pci_msi_count(dev)); 261195801Smav /* Allocate MSI if needed/present. */ 262195801Smav if (msi && pci_alloc_msi(dev, &msi) != 0) 263195801Smav msi = 0; 264195801Smav /* Allocate all IRQs. */ 265195801Smav ctlr->irq.r_irq_rid = msi ? 1 : 0; 266195801Smav if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 267195801Smav &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 268195801Smav device_printf(dev, "unable to map interrupt\n"); 269195801Smav return ENXIO; 270195801Smav } 271195801Smav if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 272195801Smav siis_intr, ctlr, &ctlr->irq.handle))) { 273195801Smav /* SOS XXX release r_irq */ 274195801Smav device_printf(dev, "unable to setup interrupt\n"); 275195801Smav return ENXIO; 276195801Smav } 277195801Smav return (0); 278195801Smav} 279195801Smav 280195801Smav/* 281195801Smav * Common case interrupt handler. 282195801Smav */ 283195801Smavstatic void 284195801Smavsiis_intr(void *data) 285195801Smav{ 286195801Smav struct siis_controller *ctlr = (struct siis_controller *)data; 287195801Smav u_int32_t is; 288195801Smav void *arg; 289195801Smav int unit; 290195801Smav 291195801Smav is = ATA_INL(ctlr->r_gmem, SIIS_IS); 292195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 293195801Smav if ((is & SIIS_IS_PORT(unit)) != 0 && 294195801Smav (arg = ctlr->interrupt[unit].argument)) { 295195801Smav ctlr->interrupt[unit].function(arg); 296195801Smav } 297195801Smav } 298200223Smav /* Acknowledge interrupt, if MSI enabled. */ 299200223Smav if (ctlr->irq.r_irq_rid) { 300200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 301200223Smav ctlr->gctl | SIIS_GCTL_MSIACK); 302200223Smav } 303195801Smav} 304195801Smav 305195801Smavstatic struct resource * 306195801Smavsiis_alloc_resource(device_t dev, device_t child, int type, int *rid, 307195801Smav u_long start, u_long end, u_long count, u_int flags) 308195801Smav{ 309195801Smav struct siis_controller *ctlr = device_get_softc(dev); 310195801Smav int unit = ((struct siis_channel *)device_get_softc(child))->unit; 311195801Smav struct resource *res = NULL; 312195801Smav int offset = unit << 13; 313195801Smav long st; 314195801Smav 315195801Smav switch (type) { 316195801Smav case SYS_RES_MEMORY: 317195801Smav st = rman_get_start(ctlr->r_mem); 318195801Smav res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 319195801Smav st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 320195801Smav if (res) { 321195801Smav bus_space_handle_t bsh; 322195801Smav bus_space_tag_t bst; 323195801Smav bsh = rman_get_bushandle(ctlr->r_mem); 324195801Smav bst = rman_get_bustag(ctlr->r_mem); 325195801Smav bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 326195801Smav rman_set_bushandle(res, bsh); 327195801Smav rman_set_bustag(res, bst); 328195801Smav } 329195801Smav break; 330195801Smav case SYS_RES_IRQ: 331195801Smav if (*rid == ATA_IRQ_RID) 332195801Smav res = ctlr->irq.r_irq; 333195801Smav break; 334195801Smav } 335195801Smav return (res); 336195801Smav} 337195801Smav 338195801Smavstatic int 339195801Smavsiis_release_resource(device_t dev, device_t child, int type, int rid, 340195801Smav struct resource *r) 341195801Smav{ 342195801Smav 343195801Smav switch (type) { 344195801Smav case SYS_RES_MEMORY: 345195801Smav rman_release_resource(r); 346195801Smav return (0); 347195801Smav case SYS_RES_IRQ: 348195801Smav if (rid != ATA_IRQ_RID) 349195801Smav return ENOENT; 350195801Smav return (0); 351195801Smav } 352195801Smav return (EINVAL); 353195801Smav} 354195801Smav 355195801Smavstatic int 356195801Smavsiis_setup_intr(device_t dev, device_t child, struct resource *irq, 357195801Smav int flags, driver_filter_t *filter, driver_intr_t *function, 358195801Smav void *argument, void **cookiep) 359195801Smav{ 360195801Smav struct siis_controller *ctlr = device_get_softc(dev); 361195801Smav int unit = (intptr_t)device_get_ivars(child); 362195801Smav 363195801Smav if (filter != NULL) { 364195801Smav printf("siis.c: we cannot use a filter here\n"); 365195801Smav return (EINVAL); 366195801Smav } 367195801Smav ctlr->interrupt[unit].function = function; 368195801Smav ctlr->interrupt[unit].argument = argument; 369195801Smav return (0); 370195801Smav} 371195801Smav 372195801Smavstatic int 373195801Smavsiis_teardown_intr(device_t dev, device_t child, struct resource *irq, 374195801Smav void *cookie) 375195801Smav{ 376195801Smav struct siis_controller *ctlr = device_get_softc(dev); 377195801Smav int unit = (intptr_t)device_get_ivars(child); 378195801Smav 379195801Smav ctlr->interrupt[unit].function = NULL; 380195801Smav ctlr->interrupt[unit].argument = NULL; 381195801Smav return (0); 382195801Smav} 383195801Smav 384195801Smavstatic int 385195801Smavsiis_print_child(device_t dev, device_t child) 386195801Smav{ 387195801Smav int retval; 388195801Smav 389195801Smav retval = bus_print_child_header(dev, child); 390195801Smav retval += printf(" at channel %d", 391195801Smav (int)(intptr_t)device_get_ivars(child)); 392195801Smav retval += bus_print_child_footer(dev, child); 393195801Smav 394195801Smav return (retval); 395195801Smav} 396195801Smav 397195801Smavdevclass_t siis_devclass; 398195801Smavstatic device_method_t siis_methods[] = { 399195801Smav DEVMETHOD(device_probe, siis_probe), 400195801Smav DEVMETHOD(device_attach, siis_attach), 401195801Smav DEVMETHOD(device_detach, siis_detach), 402195801Smav DEVMETHOD(device_suspend, siis_suspend), 403195801Smav DEVMETHOD(device_resume, siis_resume), 404195801Smav DEVMETHOD(bus_print_child, siis_print_child), 405195801Smav DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 406195801Smav DEVMETHOD(bus_release_resource, siis_release_resource), 407195801Smav DEVMETHOD(bus_setup_intr, siis_setup_intr), 408195801Smav DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 409195801Smav { 0, 0 } 410195801Smav}; 411195801Smavstatic driver_t siis_driver = { 412195801Smav "siis", 413195801Smav siis_methods, 414195801Smav sizeof(struct siis_controller) 415195801Smav}; 416195801SmavDRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 417195801SmavMODULE_VERSION(siis, 1); 418195801SmavMODULE_DEPEND(siis, cam, 1, 1, 1); 419195801Smav 420195801Smavstatic int 421195801Smavsiis_ch_probe(device_t dev) 422195801Smav{ 423195801Smav 424195801Smav device_set_desc_copy(dev, "SIIS channel"); 425195801Smav return (0); 426195801Smav} 427195801Smav 428195801Smavstatic int 429195801Smavsiis_ch_attach(device_t dev) 430195801Smav{ 431200217Smav struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 432195801Smav struct siis_channel *ch = device_get_softc(dev); 433195801Smav struct cam_devq *devq; 434199821Smav int rid, error, i, sata_rev = 0; 435195801Smav 436195801Smav ch->dev = dev; 437195801Smav ch->unit = (intptr_t)device_get_ivars(dev); 438200217Smav ch->quirks = ctlr->quirks; 439195801Smav resource_int_value(device_get_name(dev), 440195801Smav device_get_unit(dev), "pm_level", &ch->pm_level); 441199821Smav resource_int_value(device_get_name(dev), 442199821Smav device_get_unit(dev), "sata_rev", &sata_rev); 443199747Smav for (i = 0; i < 16; i++) { 444199821Smav ch->user[i].revision = sata_rev; 445199747Smav ch->user[i].mode = 0; 446199747Smav ch->user[i].bytecount = 8192; 447199747Smav ch->user[i].tags = SIIS_MAX_SLOTS; 448199747Smav ch->curr[i] = ch->user[i]; 449199747Smav } 450195801Smav mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 451195801Smav rid = ch->unit; 452195801Smav if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 453195801Smav &rid, RF_ACTIVE))) 454195801Smav return (ENXIO); 455195801Smav siis_dmainit(dev); 456195801Smav siis_slotsalloc(dev); 457195801Smav siis_ch_resume(dev); 458195801Smav mtx_lock(&ch->mtx); 459195801Smav rid = ATA_IRQ_RID; 460195801Smav if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 461195801Smav &rid, RF_SHAREABLE | RF_ACTIVE))) { 462195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 463195801Smav device_printf(dev, "Unable to map interrupt\n"); 464195801Smav return (ENXIO); 465195801Smav } 466195801Smav if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 467195801Smav siis_ch_intr_locked, dev, &ch->ih))) { 468195801Smav device_printf(dev, "Unable to setup interrupt\n"); 469195801Smav error = ENXIO; 470195801Smav goto err1; 471195801Smav } 472195801Smav /* Create the device queue for our SIM. */ 473195801Smav devq = cam_simq_alloc(SIIS_MAX_SLOTS); 474195801Smav if (devq == NULL) { 475195801Smav device_printf(dev, "Unable to allocate simq\n"); 476195801Smav error = ENOMEM; 477195801Smav goto err1; 478195801Smav } 479195801Smav /* Construct SIM entry */ 480195801Smav ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 481199178Smav device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 482195801Smav if (ch->sim == NULL) { 483195801Smav device_printf(dev, "unable to allocate sim\n"); 484195801Smav error = ENOMEM; 485195801Smav goto err2; 486195801Smav } 487195801Smav if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 488195801Smav device_printf(dev, "unable to register xpt bus\n"); 489195801Smav error = ENXIO; 490195801Smav goto err2; 491195801Smav } 492195801Smav if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 493195801Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 494195801Smav device_printf(dev, "unable to create path\n"); 495195801Smav error = ENXIO; 496195801Smav goto err3; 497195801Smav } 498195801Smav mtx_unlock(&ch->mtx); 499195801Smav return (0); 500195801Smav 501195801Smaverr3: 502195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 503195801Smaverr2: 504195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 505195801Smaverr1: 506195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 507195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 508195801Smav mtx_unlock(&ch->mtx); 509195801Smav return (error); 510195801Smav} 511195801Smav 512195801Smavstatic int 513195801Smavsiis_ch_detach(device_t dev) 514195801Smav{ 515195801Smav struct siis_channel *ch = device_get_softc(dev); 516195801Smav 517195801Smav mtx_lock(&ch->mtx); 518195801Smav xpt_async(AC_LOST_DEVICE, ch->path, NULL); 519195801Smav xpt_free_path(ch->path); 520195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 521195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 522195801Smav mtx_unlock(&ch->mtx); 523195801Smav 524195801Smav bus_teardown_intr(dev, ch->r_irq, ch->ih); 525195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 526195801Smav 527195801Smav siis_ch_suspend(dev); 528195801Smav siis_slotsfree(dev); 529195801Smav siis_dmafini(dev); 530195801Smav 531195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 532195801Smav mtx_destroy(&ch->mtx); 533195801Smav return (0); 534195801Smav} 535195801Smav 536195801Smavstatic int 537195801Smavsiis_ch_suspend(device_t dev) 538195801Smav{ 539195801Smav struct siis_channel *ch = device_get_softc(dev); 540195801Smav 541195801Smav /* Put port into reset state. */ 542195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 543195801Smav return (0); 544195801Smav} 545195801Smav 546195801Smavstatic int 547195801Smavsiis_ch_resume(device_t dev) 548195801Smav{ 549195801Smav struct siis_channel *ch = device_get_softc(dev); 550195801Smav 551195801Smav /* Get port out of reset state. */ 552195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 553195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 554198852Smav if (ch->pm_present) 555198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 556198852Smav else 557198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 558195801Smav /* Enable port interrupts */ 559195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 560195801Smav return (0); 561195801Smav} 562195801Smav 563195801Smavdevclass_t siisch_devclass; 564195801Smavstatic device_method_t siisch_methods[] = { 565195801Smav DEVMETHOD(device_probe, siis_ch_probe), 566195801Smav DEVMETHOD(device_attach, siis_ch_attach), 567195801Smav DEVMETHOD(device_detach, siis_ch_detach), 568195801Smav DEVMETHOD(device_suspend, siis_ch_suspend), 569195801Smav DEVMETHOD(device_resume, siis_ch_resume), 570195801Smav { 0, 0 } 571195801Smav}; 572195801Smavstatic driver_t siisch_driver = { 573195801Smav "siisch", 574195801Smav siisch_methods, 575195801Smav sizeof(struct siis_channel) 576195801Smav}; 577195801SmavDRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 578195801Smav 579195801Smavstruct siis_dc_cb_args { 580195801Smav bus_addr_t maddr; 581195801Smav int error; 582195801Smav}; 583195801Smav 584195801Smavstatic void 585195801Smavsiis_dmainit(device_t dev) 586195801Smav{ 587195801Smav struct siis_channel *ch = device_get_softc(dev); 588195801Smav struct siis_dc_cb_args dcba; 589195801Smav 590195801Smav /* Command area. */ 591195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 592195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 593195801Smav NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 594195801Smav 0, NULL, NULL, &ch->dma.work_tag)) 595195801Smav goto error; 596195801Smav if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 597195801Smav &ch->dma.work_map)) 598195801Smav goto error; 599195801Smav if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 600195801Smav SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 601195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 602195801Smav goto error; 603195801Smav } 604195801Smav ch->dma.work_bus = dcba.maddr; 605195801Smav /* Data area. */ 606199333Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 607195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 608195801Smav NULL, NULL, 609195801Smav SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 610195801Smav SIIS_SG_ENTRIES, 0xFFFFFFFF, 611195801Smav 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 612195801Smav goto error; 613195801Smav } 614195801Smav return; 615195801Smav 616195801Smaverror: 617195801Smav device_printf(dev, "WARNING - DMA initialization failed\n"); 618195801Smav siis_dmafini(dev); 619195801Smav} 620195801Smav 621195801Smavstatic void 622195801Smavsiis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 623195801Smav{ 624195801Smav struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 625195801Smav 626195801Smav if (!(dcba->error = error)) 627195801Smav dcba->maddr = segs[0].ds_addr; 628195801Smav} 629195801Smav 630195801Smavstatic void 631195801Smavsiis_dmafini(device_t dev) 632195801Smav{ 633195801Smav struct siis_channel *ch = device_get_softc(dev); 634195801Smav 635195801Smav if (ch->dma.data_tag) { 636195801Smav bus_dma_tag_destroy(ch->dma.data_tag); 637195801Smav ch->dma.data_tag = NULL; 638195801Smav } 639195801Smav if (ch->dma.work_bus) { 640195801Smav bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 641195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 642195801Smav ch->dma.work_bus = 0; 643195801Smav ch->dma.work_map = NULL; 644195801Smav ch->dma.work = NULL; 645195801Smav } 646195801Smav if (ch->dma.work_tag) { 647195801Smav bus_dma_tag_destroy(ch->dma.work_tag); 648195801Smav ch->dma.work_tag = NULL; 649195801Smav } 650195801Smav} 651195801Smav 652195801Smavstatic void 653195801Smavsiis_slotsalloc(device_t dev) 654195801Smav{ 655195801Smav struct siis_channel *ch = device_get_softc(dev); 656195801Smav int i; 657195801Smav 658195801Smav /* Alloc and setup command/dma slots */ 659195801Smav bzero(ch->slot, sizeof(ch->slot)); 660195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 661195801Smav struct siis_slot *slot = &ch->slot[i]; 662195801Smav 663195801Smav slot->dev = dev; 664195801Smav slot->slot = i; 665195801Smav slot->state = SIIS_SLOT_EMPTY; 666195801Smav slot->ccb = NULL; 667195801Smav callout_init_mtx(&slot->timeout, &ch->mtx, 0); 668195801Smav 669195801Smav if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 670195801Smav device_printf(ch->dev, "FAILURE - create data_map\n"); 671195801Smav } 672195801Smav} 673195801Smav 674195801Smavstatic void 675195801Smavsiis_slotsfree(device_t dev) 676195801Smav{ 677195801Smav struct siis_channel *ch = device_get_softc(dev); 678195801Smav int i; 679195801Smav 680195801Smav /* Free all dma slots */ 681195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 682195801Smav struct siis_slot *slot = &ch->slot[i]; 683195801Smav 684198896Smav callout_drain(&slot->timeout); 685195801Smav if (slot->dma.data_map) { 686195801Smav bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 687195801Smav slot->dma.data_map = NULL; 688195801Smav } 689195801Smav } 690195801Smav} 691195801Smav 692195801Smavstatic void 693196655Smavsiis_notify_events(device_t dev) 694196655Smav{ 695196655Smav struct siis_channel *ch = device_get_softc(dev); 696196655Smav struct cam_path *dpath; 697196655Smav u_int32_t status; 698196655Smav int i; 699196655Smav 700200217Smav if (ch->quirks & SIIS_Q_SNTF) { 701200217Smav status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 702200217Smav ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 703200217Smav } else { 704200217Smav /* 705200217Smav * Without SNTF we have no idea which device sent notification. 706200217Smav * If PMP is connected, assume it, else - device. 707200217Smav */ 708200217Smav status = (ch->pm_present) ? 0x8000 : 0x0001; 709200217Smav } 710196655Smav if (bootverbose) 711196655Smav device_printf(dev, "SNTF 0x%04x\n", status); 712196655Smav for (i = 0; i < 16; i++) { 713196655Smav if ((status & (1 << i)) == 0) 714196655Smav continue; 715196655Smav if (xpt_create_path(&dpath, NULL, 716196655Smav xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 717196655Smav xpt_async(AC_SCSI_AEN, dpath, NULL); 718196655Smav xpt_free_path(dpath); 719196655Smav } 720196655Smav } 721196655Smav 722196655Smav} 723196655Smav 724196655Smavstatic void 725195801Smavsiis_phy_check_events(device_t dev) 726195801Smav{ 727195801Smav struct siis_channel *ch = device_get_softc(dev); 728195801Smav 729195801Smav /* If we have a connection event, deal with it */ 730195801Smav if (ch->pm_level == 0) { 731195801Smav u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 732203108Smav union ccb *ccb; 733203108Smav 734203165Smav if (bootverbose) { 735203165Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 736203165Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 737203165Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 738195801Smav device_printf(dev, "CONNECT requested\n"); 739203165Smav } else 740195801Smav device_printf(dev, "DISCONNECT requested\n"); 741195801Smav } 742203165Smav siis_reset(dev); 743203108Smav if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 744203108Smav return; 745203108Smav if (xpt_create_path(&ccb->ccb_h.path, NULL, 746203108Smav cam_sim_path(ch->sim), 747203108Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 748203108Smav xpt_free_ccb(ccb); 749203108Smav return; 750203108Smav } 751203108Smav xpt_rescan(ccb); 752195801Smav } 753195801Smav} 754195801Smav 755195801Smavstatic void 756195801Smavsiis_ch_intr_locked(void *data) 757195801Smav{ 758195801Smav device_t dev = (device_t)data; 759195801Smav struct siis_channel *ch = device_get_softc(dev); 760195801Smav 761195801Smav mtx_lock(&ch->mtx); 762195801Smav siis_ch_intr(data); 763195801Smav mtx_unlock(&ch->mtx); 764195801Smav} 765195801Smav 766195801Smavstatic void 767195801Smavsiis_ch_intr(void *data) 768195801Smav{ 769195801Smav device_t dev = (device_t)data; 770195801Smav struct siis_channel *ch = device_get_softc(dev); 771195801Smav uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 772195801Smav enum siis_err_type et; 773195801Smav int i, ccs, port, tslots; 774195801Smav 775195801Smav mtx_assert(&ch->mtx, MA_OWNED); 776195801Smav /* Read command statuses. */ 777195801Smav sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 778195801Smav ok = ch->rslots & ~sstatus; 779195801Smav /* Complete all successfull commands. */ 780195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 781195801Smav if ((ok >> i) & 1) 782195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 783195801Smav } 784195801Smav /* Do we have any other events? */ 785195801Smav if ((sstatus & SIIS_P_SS_ATTN) == 0) 786195801Smav return; 787195801Smav /* Read and clear interrupt statuses. */ 788195801Smav istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 789195801Smav (0xFFFF & ~SIIS_P_IX_COMMCOMP); 790195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 791195801Smav /* Process PHY events */ 792195801Smav if (istatus & SIIS_P_IX_PHYRDYCHG) 793195801Smav siis_phy_check_events(dev); 794196655Smav /* Process NOTIFY events */ 795196655Smav if (istatus & SIIS_P_IX_SDBN) 796196655Smav siis_notify_events(dev); 797195801Smav /* Process command errors */ 798195801Smav if (istatus & SIIS_P_IX_COMMERR) { 799195801Smav estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 800195801Smav ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 801195801Smav ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 802195801Smav port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 803195801Smav err = ch->rslots & sstatus; 804195801Smav//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 805195801Smav// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 806195801Smav// ATA_INL(ch->r_mem, SIIS_P_SERR)); 807195801Smav 808195801Smav if (!ch->readlog && !ch->recovery) { 809195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 810195801Smav ch->recovery = 1; 811195801Smav } 812195801Smav if (ch->frozen) { 813195801Smav union ccb *fccb = ch->frozen; 814195801Smav ch->frozen = NULL; 815198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 816198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 817198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 818198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 819198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 820198321Smav } 821195801Smav xpt_done(fccb); 822195801Smav } 823195801Smav if (estatus == SIIS_P_CMDERR_DEV || 824195801Smav estatus == SIIS_P_CMDERR_SDB || 825195801Smav estatus == SIIS_P_CMDERR_DATAFIS) { 826195801Smav tslots = ch->numtslots[port]; 827195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 828198852Smav /* XXX: requests in loading state. */ 829195801Smav if (((ch->rslots >> i) & 1) == 0) 830195801Smav continue; 831195801Smav if (ch->slot[i].ccb->ccb_h.target_id != port) 832195801Smav continue; 833195801Smav if (tslots == 0) { 834195801Smav /* Untagged operation. */ 835195801Smav if (i == ccs) 836195801Smav et = SIIS_ERR_TFE; 837195801Smav else 838195801Smav et = SIIS_ERR_INNOCENT; 839195801Smav } else { 840195801Smav /* Tagged operation. */ 841195801Smav et = SIIS_ERR_NCQ; 842195801Smav } 843195801Smav siis_end_transaction(&ch->slot[i], et); 844195801Smav } 845195801Smav /* 846195801Smav * We can't reinit port if there are some other 847195801Smav * commands active, use resume to complete them. 848195801Smav */ 849195801Smav if (ch->rslots != 0) 850195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 851195801Smav } else { 852195801Smav if (estatus == SIIS_P_CMDERR_SENDFIS || 853195801Smav estatus == SIIS_P_CMDERR_INCSTATE || 854195801Smav estatus == SIIS_P_CMDERR_PPE || 855195801Smav estatus == SIIS_P_CMDERR_SERVICE) { 856195801Smav et = SIIS_ERR_SATA; 857195801Smav } else 858195801Smav et = SIIS_ERR_INVALID; 859195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 860198852Smav /* XXX: requests in loading state. */ 861195801Smav if (((ch->rslots >> i) & 1) == 0) 862195801Smav continue; 863195801Smav siis_end_transaction(&ch->slot[i], et); 864195801Smav } 865195801Smav } 866195801Smav } 867195801Smav} 868195801Smav 869195801Smav/* Must be called with channel locked. */ 870195801Smavstatic int 871195801Smavsiis_check_collision(device_t dev, union ccb *ccb) 872195801Smav{ 873195801Smav struct siis_channel *ch = device_get_softc(dev); 874195801Smav 875195801Smav mtx_assert(&ch->mtx, MA_OWNED); 876195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 877199747Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 878199747Smav /* Tagged command while we have no supported tag free. */ 879199747Smav if (((~ch->oslots) & (0x7fffffff >> (31 - 880199747Smav ch->curr[ccb->ccb_h.target_id].tags))) == 0) 881199747Smav return (1); 882199747Smav } 883199747Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 884195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 885195801Smav /* Atomic command while anything active. */ 886195801Smav if (ch->numrslots != 0) 887195801Smav return (1); 888195801Smav } 889195801Smav /* We have some atomic command running. */ 890195801Smav if (ch->aslots != 0) 891195801Smav return (1); 892195801Smav return (0); 893195801Smav} 894195801Smav 895195801Smav/* Must be called with channel locked. */ 896195801Smavstatic void 897195801Smavsiis_begin_transaction(device_t dev, union ccb *ccb) 898195801Smav{ 899195801Smav struct siis_channel *ch = device_get_softc(dev); 900195801Smav struct siis_slot *slot; 901199747Smav int tag, tags; 902195801Smav 903195801Smav mtx_assert(&ch->mtx, MA_OWNED); 904195801Smav /* Choose empty slot. */ 905199747Smav tags = SIIS_MAX_SLOTS; 906199747Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 907199747Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 908199747Smav tags = ch->curr[ccb->ccb_h.target_id].tags; 909199747Smav tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 910195801Smav /* Occupy chosen slot. */ 911195801Smav slot = &ch->slot[tag]; 912195801Smav slot->ccb = ccb; 913195801Smav /* Update channel stats. */ 914199747Smav ch->oslots |= (1 << slot->slot); 915195801Smav ch->numrslots++; 916195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 917195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 918195801Smav ch->numtslots[ccb->ccb_h.target_id]++; 919195801Smav } 920195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 921195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 922195801Smav ch->aslots |= (1 << slot->slot); 923195801Smav slot->dma.nsegs = 0; 924195801Smav /* If request moves data, setup and load SG list */ 925195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 926195801Smav void *buf; 927195801Smav bus_size_t size; 928195801Smav 929195801Smav slot->state = SIIS_SLOT_LOADING; 930195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 931195801Smav buf = ccb->ataio.data_ptr; 932195801Smav size = ccb->ataio.dxfer_len; 933195801Smav } else { 934195801Smav buf = ccb->csio.data_ptr; 935195801Smav size = ccb->csio.dxfer_len; 936195801Smav } 937195801Smav bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 938195801Smav buf, size, siis_dmasetprd, slot, 0); 939195801Smav } else 940195801Smav siis_execute_transaction(slot); 941195801Smav} 942195801Smav 943195801Smav/* Locked by busdma engine. */ 944195801Smavstatic void 945195801Smavsiis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 946195801Smav{ 947195801Smav struct siis_slot *slot = arg; 948195801Smav struct siis_channel *ch = device_get_softc(slot->dev); 949195801Smav struct siis_cmd *ctp; 950195801Smav struct siis_dma_prd *prd; 951195801Smav int i; 952195801Smav 953195801Smav mtx_assert(&ch->mtx, MA_OWNED); 954195801Smav if (error) { 955195801Smav device_printf(slot->dev, "DMA load error\n"); 956195801Smav if (!ch->readlog) 957195801Smav xpt_freeze_simq(ch->sim, 1); 958195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 959195801Smav return; 960195801Smav } 961195801Smav KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 962195801Smav /* Get a piece of the workspace for this request */ 963195801Smav ctp = (struct siis_cmd *) 964195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 965195801Smav /* Fill S/G table */ 966195801Smav if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 967195801Smav prd = &ctp->u.ata.prd[0]; 968195801Smav else 969195801Smav prd = &ctp->u.atapi.prd[0]; 970195801Smav for (i = 0; i < nsegs; i++) { 971195801Smav prd[i].dba = htole64(segs[i].ds_addr); 972195801Smav prd[i].dbc = htole32(segs[i].ds_len); 973195801Smav prd[i].control = 0; 974195801Smav } 975195801Smav prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 976195801Smav slot->dma.nsegs = nsegs; 977195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 978195801Smav ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 979195801Smav BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 980195801Smav siis_execute_transaction(slot); 981195801Smav} 982195801Smav 983195801Smav/* Must be called with channel locked. */ 984195801Smavstatic void 985195801Smavsiis_execute_transaction(struct siis_slot *slot) 986195801Smav{ 987195801Smav device_t dev = slot->dev; 988195801Smav struct siis_channel *ch = device_get_softc(dev); 989195801Smav struct siis_cmd *ctp; 990195801Smav union ccb *ccb = slot->ccb; 991195801Smav u_int64_t prb_bus; 992195801Smav 993195801Smav mtx_assert(&ch->mtx, MA_OWNED); 994195801Smav /* Get a piece of the workspace for this request */ 995195801Smav ctp = (struct siis_cmd *) 996195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 997195801Smav ctp->control = 0; 998195801Smav ctp->protocol_override = 0; 999195801Smav ctp->transfer_count = 0; 1000195801Smav /* Special handling for Soft Reset command. */ 1001201222Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1002201222Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) { 1003201222Smav ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 1004201222Smav } else { 1005201222Smav ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE); 1006201222Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1007201222Smav ctp->protocol_override |= 1008201222Smav htole16(SIIS_PRB_PROTO_NCQ); 1009201222Smav } 1010201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1011201222Smav ctp->protocol_override |= 1012201222Smav htole16(SIIS_PRB_PROTO_READ); 1013201222Smav } else 1014201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1015201222Smav ctp->protocol_override |= 1016201222Smav htole16(SIIS_PRB_PROTO_WRITE); 1017201222Smav } 1018201222Smav } 1019195801Smav } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1020201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1021195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_READ); 1022201222Smav else 1023201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1024195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 1025195801Smav } 1026203108Smav /* Special handling for Soft Reset command. */ 1027203108Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1028203108Smav (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1029203108Smav (ccb->ataio.cmd.control & ATA_A_RESET)) { 1030203108Smav /* Kick controller into sane state */ 1031203108Smav siis_portinit(dev); 1032203108Smav } 1033195801Smav /* Setup the FIS for this request */ 1034199821Smav if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1035195801Smav device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1036195801Smav if (!ch->readlog) 1037195801Smav xpt_freeze_simq(ch->sim, 1); 1038195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 1039195801Smav return; 1040195801Smav } 1041195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1042195801Smav BUS_DMASYNC_PREWRITE); 1043195801Smav /* Issue command to the controller. */ 1044195801Smav slot->state = SIIS_SLOT_RUNNING; 1045195801Smav ch->rslots |= (1 << slot->slot); 1046195801Smav prb_bus = ch->dma.work_bus + 1047195801Smav SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 1048195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1049195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1050195801Smav /* Start command execution timeout */ 1051195801Smav callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 1052195801Smav (timeout_t*)siis_timeout, slot); 1053195801Smav return; 1054195801Smav} 1055195801Smav 1056198852Smav/* Must be called with channel locked. */ 1057195801Smavstatic void 1058198852Smavsiis_process_timeout(device_t dev) 1059195801Smav{ 1060195801Smav struct siis_channel *ch = device_get_softc(dev); 1061195801Smav int i; 1062195801Smav 1063195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1064198852Smav if (!ch->readlog && !ch->recovery) { 1065195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1066198852Smav ch->recovery = 1; 1067195801Smav } 1068197838Smav /* Handle the rest of commands. */ 1069195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1070195801Smav /* Do we have a running request on slot? */ 1071195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1072195801Smav continue; 1073198852Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1074195801Smav } 1075195801Smav} 1076195801Smav 1077203870Smav/* Must be called with channel locked. */ 1078203870Smavstatic void 1079203870Smavsiis_rearm_timeout(device_t dev) 1080203870Smav{ 1081203870Smav struct siis_channel *ch = device_get_softc(dev); 1082203870Smav int i; 1083203870Smav 1084203870Smav mtx_assert(&ch->mtx, MA_OWNED); 1085203870Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1086203870Smav struct siis_slot *slot = &ch->slot[i]; 1087203870Smav 1088203870Smav /* Do we have a running request on slot? */ 1089203870Smav if (slot->state < SIIS_SLOT_RUNNING) 1090203870Smav continue; 1091203870Smav if ((ch->toslots & (1 << i)) == 0) 1092203870Smav continue; 1093203870Smav callout_reset(&slot->timeout, 1094203870Smav (int)slot->ccb->ccb_h.timeout * hz / 1000, 1095203870Smav (timeout_t*)siis_timeout, slot); 1096203870Smav } 1097203870Smav} 1098203870Smav 1099198852Smav/* Locked by callout mechanism. */ 1100198852Smavstatic void 1101198852Smavsiis_timeout(struct siis_slot *slot) 1102198852Smav{ 1103198852Smav device_t dev = slot->dev; 1104198852Smav struct siis_channel *ch = device_get_softc(dev); 1105198852Smav 1106198852Smav mtx_assert(&ch->mtx, MA_OWNED); 1107198896Smav /* Check for stale timeout. */ 1108198896Smav if (slot->state < SIIS_SLOT_RUNNING) 1109198896Smav return; 1110198852Smav device_printf(dev, "Timeout on slot %d\n", slot->slot); 1111203108Smav device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1112203108Smav __func__, ATA_INL(ch->r_mem, SIIS_P_IS), 1113203108Smav ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1114203108Smav ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1115203108Smav ATA_INL(ch->r_mem, SIIS_P_SERR)); 1116198852Smav 1117198852Smav if (ch->toslots == 0) 1118198852Smav xpt_freeze_simq(ch->sim, 1); 1119198852Smav ch->toslots |= (1 << slot->slot); 1120198852Smav if ((ch->rslots & ~ch->toslots) == 0) 1121198852Smav siis_process_timeout(dev); 1122198852Smav else 1123198852Smav device_printf(dev, " ... waiting for slots %08x\n", 1124198852Smav ch->rslots & ~ch->toslots); 1125198852Smav} 1126198852Smav 1127195801Smav/* Must be called with channel locked. */ 1128195801Smavstatic void 1129195801Smavsiis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1130195801Smav{ 1131195801Smav device_t dev = slot->dev; 1132195801Smav struct siis_channel *ch = device_get_softc(dev); 1133195801Smav union ccb *ccb = slot->ccb; 1134195801Smav 1135195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1136195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1137195801Smav BUS_DMASYNC_POSTWRITE); 1138195801Smav /* Read result registers to the result struct 1139195801Smav * May be incorrect if several commands finished same time, 1140195801Smav * so read only when sure or have to. 1141195801Smav */ 1142195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1143195801Smav struct ata_res *res = &ccb->ataio.res; 1144195801Smav if ((et == SIIS_ERR_TFE) || 1145195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1146195801Smav int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1147195801Smav 1148195801Smav res->status = ATA_INB(ch->r_mem, offs + 2); 1149195801Smav res->error = ATA_INB(ch->r_mem, offs + 3); 1150195801Smav res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1151195801Smav res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1152195801Smav res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1153195801Smav res->device = ATA_INB(ch->r_mem, offs + 7); 1154195801Smav res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1155195801Smav res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1156195801Smav res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1157195801Smav res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1158195801Smav res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1159195801Smav } else 1160195801Smav bzero(res, sizeof(*res)); 1161195801Smav } 1162195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1163195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1164195801Smav (ccb->ccb_h.flags & CAM_DIR_IN) ? 1165195801Smav BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1166195801Smav bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1167195801Smav } 1168195801Smav /* Set proper result status. */ 1169195801Smav if (et != SIIS_ERR_NONE || ch->recovery) { 1170195801Smav ch->eslots |= (1 << slot->slot); 1171195801Smav ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1172195801Smav } 1173198321Smav /* In case of error, freeze device for proper recovery. */ 1174198321Smav if (et != SIIS_ERR_NONE && 1175198321Smav !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1176198321Smav xpt_freeze_devq(ccb->ccb_h.path, 1); 1177198321Smav ccb->ccb_h.status |= CAM_DEV_QFRZN; 1178198321Smav } 1179198321Smav ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1180195801Smav switch (et) { 1181195801Smav case SIIS_ERR_NONE: 1182195801Smav ccb->ccb_h.status |= CAM_REQ_CMP; 1183195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1184195801Smav ccb->csio.scsi_status = SCSI_STATUS_OK; 1185195801Smav break; 1186195801Smav case SIIS_ERR_INVALID: 1187198852Smav ch->fatalerr = 1; 1188195801Smav ccb->ccb_h.status |= CAM_REQ_INVALID; 1189195801Smav break; 1190195801Smav case SIIS_ERR_INNOCENT: 1191195801Smav ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1192195801Smav break; 1193195801Smav case SIIS_ERR_TFE: 1194198321Smav case SIIS_ERR_NCQ: 1195195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1196195801Smav ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1197195801Smav ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1198195801Smav } else { 1199195801Smav ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1200195801Smav } 1201195801Smav break; 1202195801Smav case SIIS_ERR_SATA: 1203198852Smav ch->fatalerr = 1; 1204195801Smav ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1205195801Smav break; 1206195801Smav case SIIS_ERR_TIMEOUT: 1207198852Smav ch->fatalerr = 1; 1208195801Smav ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1209195801Smav break; 1210195801Smav default: 1211195801Smav ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1212195801Smav } 1213195801Smav /* Free slot. */ 1214199747Smav ch->oslots &= ~(1 << slot->slot); 1215195801Smav ch->rslots &= ~(1 << slot->slot); 1216195801Smav ch->aslots &= ~(1 << slot->slot); 1217198852Smav if (et != SIIS_ERR_TIMEOUT) { 1218198852Smav if (ch->toslots == (1 << slot->slot)) 1219198852Smav xpt_release_simq(ch->sim, TRUE); 1220198852Smav ch->toslots &= ~(1 << slot->slot); 1221198852Smav } 1222195801Smav slot->state = SIIS_SLOT_EMPTY; 1223195801Smav slot->ccb = NULL; 1224195801Smav /* Update channel stats. */ 1225195801Smav ch->numrslots--; 1226195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1227195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1228195801Smav ch->numtslots[ccb->ccb_h.target_id]--; 1229195801Smav } 1230198852Smav /* If it was our READ LOG command - process it. */ 1231198852Smav if (ch->readlog) { 1232198852Smav siis_process_read_log(dev, ccb); 1233195801Smav /* If it was NCQ command error, put result on hold. */ 1234198852Smav } else if (et == SIIS_ERR_NCQ) { 1235195801Smav ch->hold[slot->slot] = ccb; 1236195801Smav ch->numhslots++; 1237198852Smav } else 1238195801Smav xpt_done(ccb); 1239195801Smav /* Unfreeze frozen command. */ 1240199747Smav if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1241195801Smav union ccb *fccb = ch->frozen; 1242195801Smav ch->frozen = NULL; 1243195801Smav siis_begin_transaction(dev, fccb); 1244195801Smav xpt_release_simq(ch->sim, TRUE); 1245195801Smav } 1246195801Smav /* If we have no other active commands, ... */ 1247195801Smav if (ch->rslots == 0) { 1248198852Smav /* if there were timeouts or fatal error - reset port. */ 1249198852Smav if (ch->toslots != 0 || ch->fatalerr) { 1250198852Smav siis_reset(dev); 1251198852Smav } else { 1252198852Smav /* if we have slots in error, we can reinit port. */ 1253198852Smav if (ch->eslots != 0) 1254198852Smav siis_portinit(dev); 1255198852Smav /* if there commands on hold, we can do READ LOG. */ 1256198852Smav if (!ch->readlog && ch->numhslots) 1257198852Smav siis_issue_read_log(dev); 1258198852Smav } 1259198852Smav /* If all the reset of commands are in timeout - abort them. */ 1260203870Smav } else if ((ch->rslots & ~ch->toslots) == 0 && 1261203870Smav et != SIIS_ERR_TIMEOUT) 1262203870Smav siis_rearm_timeout(dev); 1263195801Smav} 1264195801Smav 1265195801Smavstatic void 1266195801Smavsiis_issue_read_log(device_t dev) 1267195801Smav{ 1268195801Smav struct siis_channel *ch = device_get_softc(dev); 1269195801Smav union ccb *ccb; 1270195801Smav struct ccb_ataio *ataio; 1271195801Smav int i; 1272195801Smav 1273195801Smav /* Find some holden command. */ 1274195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1275195801Smav if (ch->hold[i]) 1276195801Smav break; 1277195801Smav } 1278195801Smav if (i == SIIS_MAX_SLOTS) 1279195801Smav return; 1280195801Smav ch->readlog = 1; 1281195801Smav ccb = xpt_alloc_ccb_nowait(); 1282195801Smav if (ccb == NULL) { 1283195801Smav device_printf(dev, "Unable allocate READ LOG command"); 1284195801Smav return; /* XXX */ 1285195801Smav } 1286195801Smav ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1287195801Smav ccb->ccb_h.func_code = XPT_ATA_IO; 1288195801Smav ccb->ccb_h.flags = CAM_DIR_IN; 1289195801Smav ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1290195801Smav ataio = &ccb->ataio; 1291195801Smav ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1292195801Smav if (ataio->data_ptr == NULL) { 1293195801Smav device_printf(dev, "Unable allocate memory for READ LOG command"); 1294195801Smav return; /* XXX */ 1295195801Smav } 1296195801Smav ataio->dxfer_len = 512; 1297195801Smav bzero(&ataio->cmd, sizeof(ataio->cmd)); 1298195801Smav ataio->cmd.flags = CAM_ATAIO_48BIT; 1299195801Smav ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1300195801Smav ataio->cmd.sector_count = 1; 1301195801Smav ataio->cmd.sector_count_exp = 0; 1302195801Smav ataio->cmd.lba_low = 0x10; 1303195801Smav ataio->cmd.lba_mid = 0; 1304195801Smav ataio->cmd.lba_mid_exp = 0; 1305195801Smav siis_begin_transaction(dev, ccb); 1306195801Smav} 1307195801Smav 1308195801Smavstatic void 1309195801Smavsiis_process_read_log(device_t dev, union ccb *ccb) 1310195801Smav{ 1311195801Smav struct siis_channel *ch = device_get_softc(dev); 1312195801Smav uint8_t *data; 1313195801Smav struct ata_res *res; 1314195801Smav int i; 1315195801Smav 1316195801Smav ch->readlog = 0; 1317195801Smav data = ccb->ataio.data_ptr; 1318195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1319195801Smav (data[0] & 0x80) == 0) { 1320195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1321195801Smav if (!ch->hold[i]) 1322195801Smav continue; 1323195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1324195801Smav continue; 1325195801Smav if ((data[0] & 0x1F) == i) { 1326195801Smav res = &ch->hold[i]->ataio.res; 1327195801Smav res->status = data[2]; 1328195801Smav res->error = data[3]; 1329195801Smav res->lba_low = data[4]; 1330195801Smav res->lba_mid = data[5]; 1331195801Smav res->lba_high = data[6]; 1332195801Smav res->device = data[7]; 1333195801Smav res->lba_low_exp = data[8]; 1334195801Smav res->lba_mid_exp = data[9]; 1335195801Smav res->lba_high_exp = data[10]; 1336195801Smav res->sector_count = data[12]; 1337195801Smav res->sector_count_exp = data[13]; 1338195801Smav } else { 1339195801Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1340195801Smav ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1341195801Smav } 1342195801Smav xpt_done(ch->hold[i]); 1343195801Smav ch->hold[i] = NULL; 1344195801Smav ch->numhslots--; 1345195801Smav } 1346195801Smav } else { 1347195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1348195801Smav device_printf(dev, "Error while READ LOG EXT\n"); 1349195801Smav else if ((data[0] & 0x80) == 0) { 1350195801Smav device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1351195801Smav } 1352195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1353195801Smav if (!ch->hold[i]) 1354195801Smav continue; 1355195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1356195801Smav continue; 1357195801Smav xpt_done(ch->hold[i]); 1358195801Smav ch->hold[i] = NULL; 1359195801Smav ch->numhslots--; 1360195801Smav } 1361195801Smav } 1362195801Smav free(ccb->ataio.data_ptr, M_SIIS); 1363195801Smav xpt_free_ccb(ccb); 1364195801Smav} 1365195801Smav 1366195801Smavstatic void 1367195801Smavsiis_portinit(device_t dev) 1368195801Smav{ 1369195801Smav struct siis_channel *ch = device_get_softc(dev); 1370195801Smav int i; 1371195801Smav 1372195801Smav ch->eslots = 0; 1373195801Smav ch->recovery = 0; 1374195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1375195801Smav for (i = 0; i < 16; i++) { 1376195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1377195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1378195801Smav } 1379195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1380195801Smav siis_wait_ready(dev, 1000); 1381195801Smav} 1382195801Smav 1383198426Smavstatic int 1384195801Smavsiis_devreset(device_t dev) 1385195801Smav{ 1386195801Smav struct siis_channel *ch = device_get_softc(dev); 1387198426Smav int timeout = 0; 1388198426Smav uint32_t val; 1389195801Smav 1390195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1391198426Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1392198426Smav SIIS_P_CTL_DEV_RESET) != 0) { 1393198426Smav DELAY(1000); 1394198426Smav if (timeout++ > 100) { 1395198426Smav device_printf(dev, "device reset stuck (timeout %dms) " 1396198426Smav "status = %08x\n", timeout, val); 1397198426Smav return (EBUSY); 1398198426Smav } 1399198426Smav } 1400198426Smav return (0); 1401195801Smav} 1402195801Smav 1403195801Smavstatic int 1404195801Smavsiis_wait_ready(device_t dev, int t) 1405195801Smav{ 1406195801Smav struct siis_channel *ch = device_get_softc(dev); 1407195801Smav int timeout = 0; 1408195801Smav uint32_t val; 1409195801Smav 1410195801Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1411195801Smav SIIS_P_CTL_READY) == 0) { 1412195801Smav DELAY(1000); 1413195801Smav if (timeout++ > t) { 1414195801Smav device_printf(dev, "port is not ready (timeout %dms) " 1415195801Smav "status = %08x\n", t, val); 1416195801Smav return (EBUSY); 1417195801Smav } 1418195801Smav } 1419195801Smav return (0); 1420195801Smav} 1421195801Smav 1422195801Smavstatic void 1423195801Smavsiis_reset(device_t dev) 1424195801Smav{ 1425195801Smav struct siis_channel *ch = device_get_softc(dev); 1426199821Smav int i, retry = 0, sata_rev; 1427198426Smav uint32_t val; 1428195801Smav 1429203108Smav xpt_freeze_simq(ch->sim, 1); 1430195801Smav if (bootverbose) 1431195801Smav device_printf(dev, "SIIS reset...\n"); 1432198852Smav if (!ch->readlog && !ch->recovery) 1433198852Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1434198852Smav /* Requeue frozen command. */ 1435195801Smav if (ch->frozen) { 1436195801Smav union ccb *fccb = ch->frozen; 1437195801Smav ch->frozen = NULL; 1438198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1439198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1440198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1441198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 1442198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 1443198321Smav } 1444195801Smav xpt_done(fccb); 1445195801Smav } 1446198426Smav /* Requeue all running commands. */ 1447195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1448195801Smav /* Do we have a running request on slot? */ 1449195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1450195801Smav continue; 1451195801Smav /* XXX; Commands in loading state. */ 1452195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1453195801Smav } 1454198852Smav /* Finish all holden commands as-is. */ 1455198852Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1456198852Smav if (!ch->hold[i]) 1457198852Smav continue; 1458198852Smav xpt_done(ch->hold[i]); 1459198852Smav ch->hold[i] = NULL; 1460198852Smav ch->numhslots--; 1461198852Smav } 1462198852Smav if (ch->toslots != 0) 1463198852Smav xpt_release_simq(ch->sim, TRUE); 1464198852Smav ch->eslots = 0; 1465198852Smav ch->recovery = 0; 1466198852Smav ch->toslots = 0; 1467198852Smav ch->fatalerr = 0; 1468198426Smav /* Disable port interrupts */ 1469198426Smav ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1470198426Smav /* Set speed limit. */ 1471199821Smav sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1472199821Smav if (sata_rev == 1) 1473198426Smav val = ATA_SC_SPD_SPEED_GEN1; 1474199821Smav else if (sata_rev == 2) 1475198426Smav val = ATA_SC_SPD_SPEED_GEN2; 1476199821Smav else if (sata_rev == 3) 1477198426Smav val = ATA_SC_SPD_SPEED_GEN3; 1478198426Smav else 1479198426Smav val = 0; 1480198426Smav ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1481198426Smav ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1482198426Smav (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1483198852Smavretry: 1484198426Smav siis_devreset(dev); 1485195801Smav /* Reset and reconnect PHY, */ 1486198426Smav if (!siis_sata_connect(ch)) { 1487195801Smav ch->devices = 0; 1488195801Smav /* Enable port interrupts */ 1489195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1490195801Smav if (bootverbose) 1491195801Smav device_printf(dev, 1492195801Smav "SIIS reset done: phy reset found no device\n"); 1493195801Smav /* Tell the XPT about the event */ 1494195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1495203108Smav xpt_release_simq(ch->sim, TRUE); 1496195801Smav return; 1497195801Smav } 1498195801Smav /* Wait for clearing busy status. */ 1499198852Smav if (siis_wait_ready(dev, 10000)) { 1500195801Smav device_printf(dev, "device ready timeout\n"); 1501198852Smav if (!retry) { 1502198852Smav device_printf(dev, "trying full port reset ...\n"); 1503198852Smav /* Get port to the reset state. */ 1504198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1505198852Smav DELAY(10000); 1506198852Smav /* Get port out of reset state. */ 1507198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1508198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1509198852Smav if (ch->pm_present) 1510198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1511198852Smav else 1512198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1513198852Smav siis_wait_ready(dev, 5000); 1514198852Smav retry = 1; 1515198852Smav goto retry; 1516198852Smav } 1517198852Smav } 1518195801Smav ch->devices = 1; 1519195801Smav /* Enable port interrupts */ 1520195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1521195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1522195801Smav if (bootverbose) 1523195801Smav device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1524195801Smav /* Tell the XPT about the event */ 1525195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1526203108Smav xpt_release_simq(ch->sim, TRUE); 1527195801Smav} 1528195801Smav 1529195801Smavstatic int 1530199821Smavsiis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1531195801Smav{ 1532199821Smav struct siis_channel *ch = device_get_softc(dev); 1533195801Smav u_int8_t *fis = &ctp->fis[0]; 1534195801Smav 1535195801Smav bzero(fis, 24); 1536195801Smav fis[0] = 0x27; /* host to device */ 1537195801Smav fis[1] = (ccb->ccb_h.target_id & 0x0f); 1538195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1539195801Smav fis[1] |= 0x80; 1540195801Smav fis[2] = ATA_PACKET_CMD; 1541199821Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1542199821Smav ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1543195801Smav fis[3] = ATA_F_DMA; 1544195801Smav else { 1545195801Smav fis[5] = ccb->csio.dxfer_len; 1546195801Smav fis[6] = ccb->csio.dxfer_len >> 8; 1547195801Smav } 1548195801Smav fis[7] = ATA_D_LBA; 1549195801Smav fis[15] = ATA_A_4BIT; 1550195801Smav bzero(ctp->u.atapi.ccb, 16); 1551195801Smav bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1552195801Smav ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1553195801Smav ctp->u.atapi.ccb, ccb->csio.cdb_len); 1554195801Smav } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1555195801Smav fis[1] |= 0x80; 1556195801Smav fis[2] = ccb->ataio.cmd.command; 1557195801Smav fis[3] = ccb->ataio.cmd.features; 1558195801Smav fis[4] = ccb->ataio.cmd.lba_low; 1559195801Smav fis[5] = ccb->ataio.cmd.lba_mid; 1560195801Smav fis[6] = ccb->ataio.cmd.lba_high; 1561195801Smav fis[7] = ccb->ataio.cmd.device; 1562195801Smav fis[8] = ccb->ataio.cmd.lba_low_exp; 1563195801Smav fis[9] = ccb->ataio.cmd.lba_mid_exp; 1564195801Smav fis[10] = ccb->ataio.cmd.lba_high_exp; 1565195801Smav fis[11] = ccb->ataio.cmd.features_exp; 1566195801Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1567195801Smav fis[12] = tag << 3; 1568195801Smav fis[13] = 0; 1569195801Smav } else { 1570195801Smav fis[12] = ccb->ataio.cmd.sector_count; 1571195801Smav fis[13] = ccb->ataio.cmd.sector_count_exp; 1572195801Smav } 1573195801Smav fis[15] = ATA_A_4BIT; 1574195801Smav } else { 1575195801Smav /* Soft reset. */ 1576195801Smav } 1577195801Smav return (20); 1578195801Smav} 1579195801Smav 1580195801Smavstatic int 1581195801Smavsiis_sata_connect(struct siis_channel *ch) 1582195801Smav{ 1583195801Smav u_int32_t status; 1584195801Smav int timeout; 1585195801Smav 1586195801Smav /* Wait up to 100ms for "connect well" */ 1587195801Smav for (timeout = 0; timeout < 100 ; timeout++) { 1588195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1589195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1590195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1591195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1592195801Smav break; 1593195801Smav DELAY(1000); 1594195801Smav } 1595195801Smav if (timeout >= 100) { 1596195801Smav if (bootverbose) { 1597195801Smav device_printf(ch->dev, "SATA connect timeout status=%08x\n", 1598195801Smav status); 1599195801Smav } 1600195801Smav return (0); 1601195801Smav } 1602195801Smav if (bootverbose) { 1603195801Smav device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 1604195801Smav timeout, status); 1605195801Smav } 1606195801Smav /* Clear SATA error register */ 1607195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1608195801Smav return (1); 1609195801Smav} 1610195801Smav 1611195801Smavstatic void 1612195801Smavsiisaction(struct cam_sim *sim, union ccb *ccb) 1613195801Smav{ 1614195801Smav device_t dev; 1615195801Smav struct siis_channel *ch; 1616195801Smav 1617195801Smav CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1618195801Smav ccb->ccb_h.func_code)); 1619195801Smav 1620195801Smav ch = (struct siis_channel *)cam_sim_softc(sim); 1621195801Smav dev = ch->dev; 1622195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1623195801Smav switch (ccb->ccb_h.func_code) { 1624195801Smav /* Common cases first */ 1625195801Smav case XPT_ATA_IO: /* Execute the requested I/O operation */ 1626195801Smav case XPT_SCSI_IO: 1627195801Smav if (ch->devices == 0) { 1628195801Smav ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1629195801Smav xpt_done(ccb); 1630195801Smav break; 1631195801Smav } 1632195801Smav /* Check for command collision. */ 1633195801Smav if (siis_check_collision(dev, ccb)) { 1634195801Smav /* Freeze command. */ 1635195801Smav ch->frozen = ccb; 1636195801Smav /* We have only one frozen slot, so freeze simq also. */ 1637195801Smav xpt_freeze_simq(ch->sim, 1); 1638195801Smav return; 1639195801Smav } 1640195801Smav siis_begin_transaction(dev, ccb); 1641195801Smav break; 1642195801Smav case XPT_EN_LUN: /* Enable LUN as a target */ 1643195801Smav case XPT_TARGET_IO: /* Execute target I/O request */ 1644195801Smav case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1645195801Smav case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1646195801Smav case XPT_ABORT: /* Abort the specified CCB */ 1647195801Smav /* XXX Implement */ 1648195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1649195801Smav xpt_done(ccb); 1650195801Smav break; 1651195801Smav case XPT_SET_TRAN_SETTINGS: 1652195801Smav { 1653195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1654199747Smav struct siis_device *d; 1655195801Smav 1656199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1657199747Smav d = &ch->curr[ccb->ccb_h.target_id]; 1658199747Smav else 1659199747Smav d = &ch->user[ccb->ccb_h.target_id]; 1660199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1661199747Smav d->revision = cts->xport_specific.sata.revision; 1662199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1663199747Smav d->mode = cts->xport_specific.sata.mode; 1664199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1665199747Smav d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1666199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1667199747Smav d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1668195801Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1669198852Smav ch->pm_present = cts->xport_specific.sata.pm_present; 1670198852Smav if (ch->pm_present) 1671195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1672195801Smav else 1673195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1674195801Smav } 1675203376Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1676203376Smav d->atapi = cts->xport_specific.sata.atapi; 1677195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1678195801Smav xpt_done(ccb); 1679195801Smav break; 1680195801Smav } 1681195801Smav case XPT_GET_TRAN_SETTINGS: 1682195801Smav /* Get default/user set transfer settings for the target */ 1683195801Smav { 1684195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1685199747Smav struct siis_device *d; 1686195801Smav uint32_t status; 1687195801Smav 1688199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1689199747Smav d = &ch->curr[ccb->ccb_h.target_id]; 1690199747Smav else 1691199747Smav d = &ch->user[ccb->ccb_h.target_id]; 1692195801Smav cts->protocol = PROTO_ATA; 1693196655Smav cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1694195801Smav cts->transport = XPORT_SATA; 1695196655Smav cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1696195801Smav cts->proto_specific.valid = 0; 1697195801Smav cts->xport_specific.sata.valid = 0; 1698199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1699199747Smav (ccb->ccb_h.target_id == 15 || 1700199747Smav (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1701195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1702199747Smav if (status & 0x0f0) { 1703199747Smav cts->xport_specific.sata.revision = 1704199747Smav (status & 0x0f0) >> 4; 1705199747Smav cts->xport_specific.sata.valid |= 1706199747Smav CTS_SATA_VALID_REVISION; 1707199747Smav } 1708199747Smav } else { 1709199747Smav cts->xport_specific.sata.revision = d->revision; 1710199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1711195801Smav } 1712199747Smav cts->xport_specific.sata.mode = d->mode; 1713199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1714199747Smav cts->xport_specific.sata.bytecount = d->bytecount; 1715199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1716198852Smav cts->xport_specific.sata.pm_present = ch->pm_present; 1717195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1718199747Smav cts->xport_specific.sata.tags = d->tags; 1719199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1720203376Smav cts->xport_specific.sata.atapi = d->atapi; 1721203376Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 1722195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1723195801Smav xpt_done(ccb); 1724195801Smav break; 1725195801Smav } 1726195801Smav#if 0 1727195801Smav case XPT_CALC_GEOMETRY: 1728195801Smav { 1729195801Smav struct ccb_calc_geometry *ccg; 1730195801Smav uint32_t size_mb; 1731195801Smav uint32_t secs_per_cylinder; 1732195801Smav 1733195801Smav ccg = &ccb->ccg; 1734195801Smav size_mb = ccg->volume_size 1735195801Smav / ((1024L * 1024L) / ccg->block_size); 1736195801Smav if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1737195801Smav if (size_mb >= 2048) { 1738195801Smav ccg->heads = 255; 1739195801Smav ccg->secs_per_track = 63; 1740195801Smav } else { 1741195801Smav ccg->heads = 128; 1742195801Smav ccg->secs_per_track = 32; 1743195801Smav } 1744195801Smav } else { 1745195801Smav ccg->heads = 64; 1746195801Smav ccg->secs_per_track = 32; 1747195801Smav } 1748195801Smav secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1749195801Smav ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1750195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1751195801Smav xpt_done(ccb); 1752195801Smav break; 1753195801Smav } 1754195801Smav#endif 1755195801Smav case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1756195801Smav case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1757195801Smav siis_reset(dev); 1758195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1759195801Smav xpt_done(ccb); 1760195801Smav break; 1761195801Smav case XPT_TERM_IO: /* Terminate the I/O process */ 1762195801Smav /* XXX Implement */ 1763195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1764195801Smav xpt_done(ccb); 1765195801Smav break; 1766195801Smav case XPT_PATH_INQ: /* Path routing inquiry */ 1767195801Smav { 1768195801Smav struct ccb_pathinq *cpi = &ccb->cpi; 1769195801Smav 1770195801Smav cpi->version_num = 1; /* XXX??? */ 1771195801Smav cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1772195801Smav cpi->hba_inquiry |= PI_SATAPM; 1773195801Smav cpi->target_sprt = 0; 1774195801Smav cpi->hba_misc = PIM_SEQSCAN; 1775195801Smav cpi->hba_eng_cnt = 0; 1776198322Smav cpi->max_target = 15; 1777195801Smav cpi->max_lun = 0; 1778195801Smav cpi->initiator_id = 0; 1779195801Smav cpi->bus_id = cam_sim_bus(sim); 1780195801Smav cpi->base_transfer_speed = 150000; 1781195801Smav strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1782195801Smav strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1783195801Smav strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1784195801Smav cpi->unit_number = cam_sim_unit(sim); 1785195801Smav cpi->transport = XPORT_SATA; 1786196655Smav cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1787195801Smav cpi->protocol = PROTO_ATA; 1788196655Smav cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1789195801Smav cpi->ccb_h.status = CAM_REQ_CMP; 1790195801Smav cpi->maxio = MAXPHYS; 1791195801Smav xpt_done(ccb); 1792195801Smav break; 1793195801Smav } 1794195801Smav default: 1795195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1796195801Smav xpt_done(ccb); 1797195801Smav break; 1798195801Smav } 1799195801Smav} 1800195801Smav 1801195801Smavstatic void 1802195801Smavsiispoll(struct cam_sim *sim) 1803195801Smav{ 1804195801Smav struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1805195801Smav 1806195801Smav siis_ch_intr(ch->dev); 1807195801Smav} 1808