siis.c revision 198322
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 198322 2009-10-21 13:00:01Z 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_xpt_periph.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); 63195801Smavstatic int siis_ch_suspend(device_t dev); 64195801Smavstatic int siis_ch_resume(device_t dev); 65195801Smavstatic void siis_ch_intr_locked(void *data); 66195801Smavstatic void siis_ch_intr(void *data); 67195801Smavstatic void siis_begin_transaction(device_t dev, union ccb *ccb); 68195801Smavstatic void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 69195801Smavstatic void siis_execute_transaction(struct siis_slot *slot); 70195801Smavstatic void siis_timeout(struct siis_slot *slot); 71195801Smavstatic void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et); 72195801Smavstatic int siis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag); 73195801Smavstatic void siis_dmainit(device_t dev); 74195801Smavstatic void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 75195801Smavstatic void siis_dmafini(device_t dev); 76195801Smavstatic void siis_slotsalloc(device_t dev); 77195801Smavstatic void siis_slotsfree(device_t dev); 78195801Smavstatic void siis_reset(device_t dev); 79195801Smavstatic void siis_portinit(device_t dev); 80195801Smavstatic int siis_wait_ready(device_t dev, int t); 81195801Smav 82195801Smavstatic int siis_sata_connect(struct siis_channel *ch); 83195801Smavstatic int siis_sata_phy_reset(device_t dev); 84195801Smav 85195801Smavstatic void siis_issue_read_log(device_t dev); 86195801Smavstatic void siis_process_read_log(device_t dev, union ccb *ccb); 87195801Smav 88195801Smavstatic void siisaction(struct cam_sim *sim, union ccb *ccb); 89195801Smavstatic void siispoll(struct cam_sim *sim); 90195801Smav 91195801SmavMALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 92195801Smav 93195801Smavstatic int 94195801Smavsiis_probe(device_t dev) 95195801Smav{ 96195801Smav uint32_t devid = pci_get_devid(dev); 97195801Smav 98195801Smav if (devid == SIIS_SII3124) { 99195801Smav device_set_desc_copy(dev, "SiI3124 SATA2 controller"); 100195801Smav } else if (devid == SIIS_SII3132 || 101195801Smav devid == SIIS_SII3132_1 || 102195801Smav devid == SIIS_SII3132_2) { 103195801Smav device_set_desc_copy(dev, "SiI3132 SATA2 controller"); 104195801Smav } else if (devid == SIIS_SII3531) { 105195801Smav device_set_desc_copy(dev, "SiI3531 SATA2 controller"); 106195801Smav } else { 107195801Smav return (ENXIO); 108195801Smav } 109195801Smav 110195801Smav return (BUS_PROBE_VENDOR); 111195801Smav} 112195801Smav 113195801Smavstatic int 114195801Smavsiis_attach(device_t dev) 115195801Smav{ 116195801Smav struct siis_controller *ctlr = device_get_softc(dev); 117195801Smav uint32_t devid = pci_get_devid(dev); 118195801Smav device_t child; 119195801Smav int error, unit; 120195801Smav 121195801Smav ctlr->dev = dev; 122195801Smav /* Global memory */ 123195801Smav ctlr->r_grid = PCIR_BAR(0); 124195801Smav if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 125195801Smav &ctlr->r_grid, RF_ACTIVE))) 126195801Smav return (ENXIO); 127195801Smav /* Channels memory */ 128195801Smav ctlr->r_rid = PCIR_BAR(2); 129195801Smav if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 130195801Smav &ctlr->r_rid, RF_ACTIVE))) 131195801Smav return (ENXIO); 132195801Smav /* Setup our own memory management for channels. */ 133195801Smav ctlr->sc_iomem.rm_type = RMAN_ARRAY; 134195801Smav ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 135195801Smav if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 136195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 137195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 138195801Smav return (error); 139195801Smav } 140195801Smav if ((error = rman_manage_region(&ctlr->sc_iomem, 141195801Smav rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 142195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 143195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 144195801Smav rman_fini(&ctlr->sc_iomem); 145195801Smav return (error); 146195801Smav } 147195801Smav /* Reset controller */ 148195801Smav siis_resume(dev); 149195801Smav /* Number of HW channels */ 150195801Smav ctlr->channels = (devid == SIIS_SII3124) ? 4 : 151195801Smav (devid == SIIS_SII3531 ? 1 : 2); 152195801Smav /* Setup interrupts. */ 153195801Smav if (siis_setup_interrupt(dev)) { 154195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 155195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 156195801Smav rman_fini(&ctlr->sc_iomem); 157195801Smav return ENXIO; 158195801Smav } 159195801Smav /* Attach all channels on this controller */ 160195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 161195801Smav child = device_add_child(dev, "siisch", -1); 162195801Smav if (child == NULL) 163195801Smav device_printf(dev, "failed to add channel device\n"); 164195801Smav else 165195801Smav device_set_ivars(child, (void *)(intptr_t)unit); 166195801Smav } 167195801Smav bus_generic_attach(dev); 168195801Smav return 0; 169195801Smav} 170195801Smav 171195801Smavstatic int 172195801Smavsiis_detach(device_t dev) 173195801Smav{ 174195801Smav struct siis_controller *ctlr = device_get_softc(dev); 175195801Smav device_t *children; 176195801Smav int nchildren, i; 177195801Smav 178195801Smav /* Detach & delete all children */ 179195801Smav if (!device_get_children(dev, &children, &nchildren)) { 180195801Smav for (i = 0; i < nchildren; i++) 181195801Smav device_delete_child(dev, children[i]); 182195801Smav free(children, M_TEMP); 183195801Smav } 184195801Smav /* Free interrupts. */ 185195801Smav if (ctlr->irq.r_irq) { 186195801Smav bus_teardown_intr(dev, ctlr->irq.r_irq, 187195801Smav ctlr->irq.handle); 188195801Smav bus_release_resource(dev, SYS_RES_IRQ, 189195801Smav ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 190195801Smav } 191195801Smav pci_release_msi(dev); 192195801Smav /* Free memory. */ 193195801Smav rman_fini(&ctlr->sc_iomem); 194195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 195195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 196195801Smav return (0); 197195801Smav} 198195801Smav 199195801Smavstatic int 200195801Smavsiis_suspend(device_t dev) 201195801Smav{ 202195801Smav struct siis_controller *ctlr = device_get_softc(dev); 203195801Smav 204195801Smav bus_generic_suspend(dev); 205195801Smav /* Put controller into reset state. */ 206195801Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET); 207195801Smav return 0; 208195801Smav} 209195801Smav 210195801Smavstatic int 211195801Smavsiis_resume(device_t dev) 212195801Smav{ 213195801Smav struct siis_controller *ctlr = device_get_softc(dev); 214195801Smav 215195801Smav /* Put controller into reset state. */ 216195801Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET); 217195801Smav DELAY(10000); 218195801Smav /* Get controller out of reset state and enable port interrupts. */ 219195801Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 0x0000000f); 220195801Smav return (bus_generic_resume(dev)); 221195801Smav} 222195801Smav 223195801Smavstatic int 224195801Smavsiis_setup_interrupt(device_t dev) 225195801Smav{ 226195801Smav struct siis_controller *ctlr = device_get_softc(dev); 227195801Smav int msi = 0; 228195801Smav 229195801Smav /* Process hints. */ 230195801Smav resource_int_value(device_get_name(dev), 231195801Smav device_get_unit(dev), "msi", &msi); 232195801Smav if (msi < 0) 233195801Smav msi = 0; 234195801Smav else if (msi > 0) 235195801Smav msi = min(1, pci_msi_count(dev)); 236195801Smav /* Allocate MSI if needed/present. */ 237195801Smav if (msi && pci_alloc_msi(dev, &msi) != 0) 238195801Smav msi = 0; 239195801Smav /* Allocate all IRQs. */ 240195801Smav ctlr->irq.r_irq_rid = msi ? 1 : 0; 241195801Smav if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 242195801Smav &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 243195801Smav device_printf(dev, "unable to map interrupt\n"); 244195801Smav return ENXIO; 245195801Smav } 246195801Smav if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 247195801Smav siis_intr, ctlr, &ctlr->irq.handle))) { 248195801Smav /* SOS XXX release r_irq */ 249195801Smav device_printf(dev, "unable to setup interrupt\n"); 250195801Smav return ENXIO; 251195801Smav } 252195801Smav return (0); 253195801Smav} 254195801Smav 255195801Smav/* 256195801Smav * Common case interrupt handler. 257195801Smav */ 258195801Smavstatic void 259195801Smavsiis_intr(void *data) 260195801Smav{ 261195801Smav struct siis_controller *ctlr = (struct siis_controller *)data; 262195801Smav u_int32_t is; 263195801Smav void *arg; 264195801Smav int unit; 265195801Smav 266195801Smav is = ATA_INL(ctlr->r_gmem, SIIS_IS); 267195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 268195801Smav if ((is & SIIS_IS_PORT(unit)) != 0 && 269195801Smav (arg = ctlr->interrupt[unit].argument)) { 270195801Smav ctlr->interrupt[unit].function(arg); 271195801Smav } 272195801Smav } 273195801Smav} 274195801Smav 275195801Smavstatic struct resource * 276195801Smavsiis_alloc_resource(device_t dev, device_t child, int type, int *rid, 277195801Smav u_long start, u_long end, u_long count, u_int flags) 278195801Smav{ 279195801Smav struct siis_controller *ctlr = device_get_softc(dev); 280195801Smav int unit = ((struct siis_channel *)device_get_softc(child))->unit; 281195801Smav struct resource *res = NULL; 282195801Smav int offset = unit << 13; 283195801Smav long st; 284195801Smav 285195801Smav switch (type) { 286195801Smav case SYS_RES_MEMORY: 287195801Smav st = rman_get_start(ctlr->r_mem); 288195801Smav res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 289195801Smav st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 290195801Smav if (res) { 291195801Smav bus_space_handle_t bsh; 292195801Smav bus_space_tag_t bst; 293195801Smav bsh = rman_get_bushandle(ctlr->r_mem); 294195801Smav bst = rman_get_bustag(ctlr->r_mem); 295195801Smav bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 296195801Smav rman_set_bushandle(res, bsh); 297195801Smav rman_set_bustag(res, bst); 298195801Smav } 299195801Smav break; 300195801Smav case SYS_RES_IRQ: 301195801Smav if (*rid == ATA_IRQ_RID) 302195801Smav res = ctlr->irq.r_irq; 303195801Smav break; 304195801Smav } 305195801Smav return (res); 306195801Smav} 307195801Smav 308195801Smavstatic int 309195801Smavsiis_release_resource(device_t dev, device_t child, int type, int rid, 310195801Smav struct resource *r) 311195801Smav{ 312195801Smav 313195801Smav switch (type) { 314195801Smav case SYS_RES_MEMORY: 315195801Smav rman_release_resource(r); 316195801Smav return (0); 317195801Smav case SYS_RES_IRQ: 318195801Smav if (rid != ATA_IRQ_RID) 319195801Smav return ENOENT; 320195801Smav return (0); 321195801Smav } 322195801Smav return (EINVAL); 323195801Smav} 324195801Smav 325195801Smavstatic int 326195801Smavsiis_setup_intr(device_t dev, device_t child, struct resource *irq, 327195801Smav int flags, driver_filter_t *filter, driver_intr_t *function, 328195801Smav void *argument, void **cookiep) 329195801Smav{ 330195801Smav struct siis_controller *ctlr = device_get_softc(dev); 331195801Smav int unit = (intptr_t)device_get_ivars(child); 332195801Smav 333195801Smav if (filter != NULL) { 334195801Smav printf("siis.c: we cannot use a filter here\n"); 335195801Smav return (EINVAL); 336195801Smav } 337195801Smav ctlr->interrupt[unit].function = function; 338195801Smav ctlr->interrupt[unit].argument = argument; 339195801Smav return (0); 340195801Smav} 341195801Smav 342195801Smavstatic int 343195801Smavsiis_teardown_intr(device_t dev, device_t child, struct resource *irq, 344195801Smav void *cookie) 345195801Smav{ 346195801Smav struct siis_controller *ctlr = device_get_softc(dev); 347195801Smav int unit = (intptr_t)device_get_ivars(child); 348195801Smav 349195801Smav ctlr->interrupt[unit].function = NULL; 350195801Smav ctlr->interrupt[unit].argument = NULL; 351195801Smav return (0); 352195801Smav} 353195801Smav 354195801Smavstatic int 355195801Smavsiis_print_child(device_t dev, device_t child) 356195801Smav{ 357195801Smav int retval; 358195801Smav 359195801Smav retval = bus_print_child_header(dev, child); 360195801Smav retval += printf(" at channel %d", 361195801Smav (int)(intptr_t)device_get_ivars(child)); 362195801Smav retval += bus_print_child_footer(dev, child); 363195801Smav 364195801Smav return (retval); 365195801Smav} 366195801Smav 367195801Smavdevclass_t siis_devclass; 368195801Smavstatic device_method_t siis_methods[] = { 369195801Smav DEVMETHOD(device_probe, siis_probe), 370195801Smav DEVMETHOD(device_attach, siis_attach), 371195801Smav DEVMETHOD(device_detach, siis_detach), 372195801Smav DEVMETHOD(device_suspend, siis_suspend), 373195801Smav DEVMETHOD(device_resume, siis_resume), 374195801Smav DEVMETHOD(bus_print_child, siis_print_child), 375195801Smav DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 376195801Smav DEVMETHOD(bus_release_resource, siis_release_resource), 377195801Smav DEVMETHOD(bus_setup_intr, siis_setup_intr), 378195801Smav DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 379195801Smav { 0, 0 } 380195801Smav}; 381195801Smavstatic driver_t siis_driver = { 382195801Smav "siis", 383195801Smav siis_methods, 384195801Smav sizeof(struct siis_controller) 385195801Smav}; 386195801SmavDRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 387195801SmavMODULE_VERSION(siis, 1); 388195801SmavMODULE_DEPEND(siis, cam, 1, 1, 1); 389195801Smav 390195801Smavstatic int 391195801Smavsiis_ch_probe(device_t dev) 392195801Smav{ 393195801Smav 394195801Smav device_set_desc_copy(dev, "SIIS channel"); 395195801Smav return (0); 396195801Smav} 397195801Smav 398195801Smavstatic int 399195801Smavsiis_ch_attach(device_t dev) 400195801Smav{ 401195801Smav struct siis_channel *ch = device_get_softc(dev); 402195801Smav struct cam_devq *devq; 403195801Smav int rid, error; 404195801Smav 405195801Smav ch->dev = dev; 406195801Smav ch->unit = (intptr_t)device_get_ivars(dev); 407195801Smav resource_int_value(device_get_name(dev), 408195801Smav device_get_unit(dev), "pm_level", &ch->pm_level); 409195801Smav resource_int_value(device_get_name(dev), 410195801Smav device_get_unit(dev), "sata_rev", &ch->sata_rev); 411195801Smav mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 412195801Smav rid = ch->unit; 413195801Smav if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 414195801Smav &rid, RF_ACTIVE))) 415195801Smav return (ENXIO); 416195801Smav siis_dmainit(dev); 417195801Smav siis_slotsalloc(dev); 418195801Smav siis_ch_resume(dev); 419195801Smav mtx_lock(&ch->mtx); 420195801Smav rid = ATA_IRQ_RID; 421195801Smav if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 422195801Smav &rid, RF_SHAREABLE | RF_ACTIVE))) { 423195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 424195801Smav device_printf(dev, "Unable to map interrupt\n"); 425195801Smav return (ENXIO); 426195801Smav } 427195801Smav if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 428195801Smav siis_ch_intr_locked, dev, &ch->ih))) { 429195801Smav device_printf(dev, "Unable to setup interrupt\n"); 430195801Smav error = ENXIO; 431195801Smav goto err1; 432195801Smav } 433195801Smav /* Create the device queue for our SIM. */ 434195801Smav devq = cam_simq_alloc(SIIS_MAX_SLOTS); 435195801Smav if (devq == NULL) { 436195801Smav device_printf(dev, "Unable to allocate simq\n"); 437195801Smav error = ENOMEM; 438195801Smav goto err1; 439195801Smav } 440195801Smav /* Construct SIM entry */ 441195801Smav ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 442195801Smav device_get_unit(dev), &ch->mtx, SIIS_MAX_SLOTS, 0, devq); 443195801Smav if (ch->sim == NULL) { 444195801Smav device_printf(dev, "unable to allocate sim\n"); 445195801Smav error = ENOMEM; 446195801Smav goto err2; 447195801Smav } 448195801Smav if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 449195801Smav device_printf(dev, "unable to register xpt bus\n"); 450195801Smav error = ENXIO; 451195801Smav goto err2; 452195801Smav } 453195801Smav if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 454195801Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 455195801Smav device_printf(dev, "unable to create path\n"); 456195801Smav error = ENXIO; 457195801Smav goto err3; 458195801Smav } 459195801Smav mtx_unlock(&ch->mtx); 460195801Smav return (0); 461195801Smav 462195801Smaverr3: 463195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 464195801Smaverr2: 465195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 466195801Smaverr1: 467195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 468195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 469195801Smav mtx_unlock(&ch->mtx); 470195801Smav return (error); 471195801Smav} 472195801Smav 473195801Smavstatic int 474195801Smavsiis_ch_detach(device_t dev) 475195801Smav{ 476195801Smav struct siis_channel *ch = device_get_softc(dev); 477195801Smav 478195801Smav mtx_lock(&ch->mtx); 479195801Smav xpt_async(AC_LOST_DEVICE, ch->path, NULL); 480195801Smav xpt_free_path(ch->path); 481195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 482195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 483195801Smav mtx_unlock(&ch->mtx); 484195801Smav 485195801Smav bus_teardown_intr(dev, ch->r_irq, ch->ih); 486195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 487195801Smav 488195801Smav siis_ch_suspend(dev); 489195801Smav siis_slotsfree(dev); 490195801Smav siis_dmafini(dev); 491195801Smav 492195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 493195801Smav mtx_destroy(&ch->mtx); 494195801Smav return (0); 495195801Smav} 496195801Smav 497195801Smavstatic int 498195801Smavsiis_ch_suspend(device_t dev) 499195801Smav{ 500195801Smav struct siis_channel *ch = device_get_softc(dev); 501195801Smav 502195801Smav /* Put port into reset state. */ 503195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 504195801Smav return (0); 505195801Smav} 506195801Smav 507195801Smavstatic int 508195801Smavsiis_ch_resume(device_t dev) 509195801Smav{ 510195801Smav struct siis_channel *ch = device_get_softc(dev); 511195801Smav 512195801Smav /* Get port out of reset state. */ 513195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 514195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 515195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 516195801Smav /* Enable port interrupts */ 517195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 518195801Smav return (0); 519195801Smav} 520195801Smav 521195801Smavdevclass_t siisch_devclass; 522195801Smavstatic device_method_t siisch_methods[] = { 523195801Smav DEVMETHOD(device_probe, siis_ch_probe), 524195801Smav DEVMETHOD(device_attach, siis_ch_attach), 525195801Smav DEVMETHOD(device_detach, siis_ch_detach), 526195801Smav DEVMETHOD(device_suspend, siis_ch_suspend), 527195801Smav DEVMETHOD(device_resume, siis_ch_resume), 528195801Smav { 0, 0 } 529195801Smav}; 530195801Smavstatic driver_t siisch_driver = { 531195801Smav "siisch", 532195801Smav siisch_methods, 533195801Smav sizeof(struct siis_channel) 534195801Smav}; 535195801SmavDRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 536195801Smav 537195801Smavstruct siis_dc_cb_args { 538195801Smav bus_addr_t maddr; 539195801Smav int error; 540195801Smav}; 541195801Smav 542195801Smavstatic void 543195801Smavsiis_dmainit(device_t dev) 544195801Smav{ 545195801Smav struct siis_channel *ch = device_get_softc(dev); 546195801Smav struct siis_dc_cb_args dcba; 547195801Smav 548195801Smav /* Command area. */ 549195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 550195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 551195801Smav NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 552195801Smav 0, NULL, NULL, &ch->dma.work_tag)) 553195801Smav goto error; 554195801Smav if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 555195801Smav &ch->dma.work_map)) 556195801Smav goto error; 557195801Smav if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 558195801Smav SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 559195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 560195801Smav goto error; 561195801Smav } 562195801Smav ch->dma.work_bus = dcba.maddr; 563195801Smav /* Data area. */ 564195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0, 565195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 566195801Smav NULL, NULL, 567195801Smav SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 568195801Smav SIIS_SG_ENTRIES, 0xFFFFFFFF, 569195801Smav 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 570195801Smav goto error; 571195801Smav } 572195801Smav return; 573195801Smav 574195801Smaverror: 575195801Smav device_printf(dev, "WARNING - DMA initialization failed\n"); 576195801Smav siis_dmafini(dev); 577195801Smav} 578195801Smav 579195801Smavstatic void 580195801Smavsiis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 581195801Smav{ 582195801Smav struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 583195801Smav 584195801Smav if (!(dcba->error = error)) 585195801Smav dcba->maddr = segs[0].ds_addr; 586195801Smav} 587195801Smav 588195801Smavstatic void 589195801Smavsiis_dmafini(device_t dev) 590195801Smav{ 591195801Smav struct siis_channel *ch = device_get_softc(dev); 592195801Smav 593195801Smav if (ch->dma.data_tag) { 594195801Smav bus_dma_tag_destroy(ch->dma.data_tag); 595195801Smav ch->dma.data_tag = NULL; 596195801Smav } 597195801Smav if (ch->dma.work_bus) { 598195801Smav bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 599195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 600195801Smav ch->dma.work_bus = 0; 601195801Smav ch->dma.work_map = NULL; 602195801Smav ch->dma.work = NULL; 603195801Smav } 604195801Smav if (ch->dma.work_tag) { 605195801Smav bus_dma_tag_destroy(ch->dma.work_tag); 606195801Smav ch->dma.work_tag = NULL; 607195801Smav } 608195801Smav} 609195801Smav 610195801Smavstatic void 611195801Smavsiis_slotsalloc(device_t dev) 612195801Smav{ 613195801Smav struct siis_channel *ch = device_get_softc(dev); 614195801Smav int i; 615195801Smav 616195801Smav /* Alloc and setup command/dma slots */ 617195801Smav bzero(ch->slot, sizeof(ch->slot)); 618195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 619195801Smav struct siis_slot *slot = &ch->slot[i]; 620195801Smav 621195801Smav slot->dev = dev; 622195801Smav slot->slot = i; 623195801Smav slot->state = SIIS_SLOT_EMPTY; 624195801Smav slot->ccb = NULL; 625195801Smav callout_init_mtx(&slot->timeout, &ch->mtx, 0); 626195801Smav 627195801Smav if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 628195801Smav device_printf(ch->dev, "FAILURE - create data_map\n"); 629195801Smav } 630195801Smav} 631195801Smav 632195801Smavstatic void 633195801Smavsiis_slotsfree(device_t dev) 634195801Smav{ 635195801Smav struct siis_channel *ch = device_get_softc(dev); 636195801Smav int i; 637195801Smav 638195801Smav /* Free all dma slots */ 639195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 640195801Smav struct siis_slot *slot = &ch->slot[i]; 641195801Smav 642195801Smav if (slot->dma.data_map) { 643195801Smav bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 644195801Smav slot->dma.data_map = NULL; 645195801Smav } 646195801Smav } 647195801Smav} 648195801Smav 649195801Smavstatic void 650196655Smavsiis_notify_events(device_t dev) 651196655Smav{ 652196655Smav struct siis_channel *ch = device_get_softc(dev); 653196655Smav struct cam_path *dpath; 654196655Smav u_int32_t status; 655196655Smav int i; 656196655Smav 657196655Smav status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 658196655Smav ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 659196655Smav if (bootverbose) 660196655Smav device_printf(dev, "SNTF 0x%04x\n", status); 661196655Smav for (i = 0; i < 16; i++) { 662196655Smav if ((status & (1 << i)) == 0) 663196655Smav continue; 664196655Smav if (xpt_create_path(&dpath, NULL, 665196655Smav xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 666196655Smav xpt_async(AC_SCSI_AEN, dpath, NULL); 667196655Smav xpt_free_path(dpath); 668196655Smav } 669196655Smav } 670196655Smav 671196655Smav} 672196655Smav 673196655Smavstatic void 674195801Smavsiis_phy_check_events(device_t dev) 675195801Smav{ 676195801Smav struct siis_channel *ch = device_get_softc(dev); 677195801Smav 678195801Smav /* If we have a connection event, deal with it */ 679195801Smav if (ch->pm_level == 0) { 680195801Smav u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 681195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 682195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 683195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 684195801Smav if (bootverbose) 685195801Smav device_printf(dev, "CONNECT requested\n"); 686195801Smav siis_reset(dev); 687195801Smav } else { 688195801Smav if (bootverbose) 689195801Smav device_printf(dev, "DISCONNECT requested\n"); 690195801Smav ch->devices = 0; 691195801Smav } 692195801Smav } 693195801Smav} 694195801Smav 695195801Smavstatic void 696195801Smavsiis_ch_intr_locked(void *data) 697195801Smav{ 698195801Smav device_t dev = (device_t)data; 699195801Smav struct siis_channel *ch = device_get_softc(dev); 700195801Smav 701195801Smav mtx_lock(&ch->mtx); 702195801Smav siis_ch_intr(data); 703195801Smav mtx_unlock(&ch->mtx); 704195801Smav} 705195801Smav 706195801Smavstatic void 707195801Smavsiis_ch_intr(void *data) 708195801Smav{ 709195801Smav device_t dev = (device_t)data; 710195801Smav struct siis_channel *ch = device_get_softc(dev); 711195801Smav uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 712195801Smav enum siis_err_type et; 713195801Smav int i, ccs, port, tslots; 714195801Smav 715195801Smav mtx_assert(&ch->mtx, MA_OWNED); 716195801Smav /* Read command statuses. */ 717195801Smav sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 718195801Smav ok = ch->rslots & ~sstatus; 719195801Smav /* Complete all successfull commands. */ 720195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 721195801Smav if ((ok >> i) & 1) 722195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 723195801Smav } 724195801Smav /* Do we have any other events? */ 725195801Smav if ((sstatus & SIIS_P_SS_ATTN) == 0) 726195801Smav return; 727195801Smav /* Read and clear interrupt statuses. */ 728195801Smav istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 729195801Smav (0xFFFF & ~SIIS_P_IX_COMMCOMP); 730195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 731195801Smav /* Process PHY events */ 732195801Smav if (istatus & SIIS_P_IX_PHYRDYCHG) 733195801Smav siis_phy_check_events(dev); 734196655Smav /* Process NOTIFY events */ 735196655Smav if (istatus & SIIS_P_IX_SDBN) 736196655Smav siis_notify_events(dev); 737195801Smav /* Process command errors */ 738195801Smav if (istatus & SIIS_P_IX_COMMERR) { 739195801Smav estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 740195801Smav ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 741195801Smav ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 742195801Smav port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 743195801Smav err = ch->rslots & sstatus; 744195801Smav//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 745195801Smav// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 746195801Smav// ATA_INL(ch->r_mem, SIIS_P_SERR)); 747195801Smav 748195801Smav if (!ch->readlog && !ch->recovery) { 749195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 750195801Smav ch->recovery = 1; 751195801Smav } 752195801Smav if (ch->frozen) { 753195801Smav union ccb *fccb = ch->frozen; 754195801Smav ch->frozen = NULL; 755198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 756198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 757198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 758198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 759198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 760198321Smav } 761195801Smav xpt_done(fccb); 762195801Smav } 763195801Smav if (estatus == SIIS_P_CMDERR_DEV || 764195801Smav estatus == SIIS_P_CMDERR_SDB || 765195801Smav estatus == SIIS_P_CMDERR_DATAFIS) { 766195801Smav tslots = ch->numtslots[port]; 767195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 768195801Smav /* XXX: reqests in loading state. */ 769195801Smav if (((ch->rslots >> i) & 1) == 0) 770195801Smav continue; 771195801Smav if (ch->slot[i].ccb->ccb_h.target_id != port) 772195801Smav continue; 773195801Smav if (tslots == 0) { 774195801Smav /* Untagged operation. */ 775195801Smav if (i == ccs) 776195801Smav et = SIIS_ERR_TFE; 777195801Smav else 778195801Smav et = SIIS_ERR_INNOCENT; 779195801Smav } else { 780195801Smav /* Tagged operation. */ 781195801Smav et = SIIS_ERR_NCQ; 782195801Smav } 783195801Smav siis_end_transaction(&ch->slot[i], et); 784195801Smav } 785195801Smav /* 786195801Smav * We can't reinit port if there are some other 787195801Smav * commands active, use resume to complete them. 788195801Smav */ 789195801Smav if (ch->rslots != 0) 790195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 791195801Smav } else { 792195801Smav if (estatus == SIIS_P_CMDERR_SENDFIS || 793195801Smav estatus == SIIS_P_CMDERR_INCSTATE || 794195801Smav estatus == SIIS_P_CMDERR_PPE || 795195801Smav estatus == SIIS_P_CMDERR_SERVICE) { 796195801Smav et = SIIS_ERR_SATA; 797195801Smav } else 798195801Smav et = SIIS_ERR_INVALID; 799195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 800195801Smav /* XXX: reqests in loading state. */ 801195801Smav if (((ch->rslots >> i) & 1) == 0) 802195801Smav continue; 803195801Smav siis_end_transaction(&ch->slot[i], et); 804195801Smav } 805195801Smav } 806195801Smav } 807195801Smav} 808195801Smav 809195801Smav/* Must be called with channel locked. */ 810195801Smavstatic int 811195801Smavsiis_check_collision(device_t dev, union ccb *ccb) 812195801Smav{ 813195801Smav struct siis_channel *ch = device_get_softc(dev); 814195801Smav 815195801Smav mtx_assert(&ch->mtx, MA_OWNED); 816195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 817195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 818195801Smav /* Atomic command while anything active. */ 819195801Smav if (ch->numrslots != 0) 820195801Smav return (1); 821195801Smav } 822195801Smav /* We have some atomic command running. */ 823195801Smav if (ch->aslots != 0) 824195801Smav return (1); 825195801Smav return (0); 826195801Smav} 827195801Smav 828195801Smav/* Must be called with channel locked. */ 829195801Smavstatic void 830195801Smavsiis_begin_transaction(device_t dev, union ccb *ccb) 831195801Smav{ 832195801Smav struct siis_channel *ch = device_get_softc(dev); 833195801Smav struct siis_slot *slot; 834195801Smav int tag; 835195801Smav 836195801Smav mtx_assert(&ch->mtx, MA_OWNED); 837195801Smav /* Choose empty slot. */ 838195801Smav tag = ch->lastslot; 839195801Smav do { 840195801Smav tag++; 841195801Smav if (tag >= SIIS_MAX_SLOTS) 842195801Smav tag = 0; 843195801Smav if (ch->slot[tag].state == SIIS_SLOT_EMPTY) 844195801Smav break; 845195801Smav } while (tag != ch->lastslot); 846195801Smav if (ch->slot[tag].state != SIIS_SLOT_EMPTY) 847195801Smav device_printf(ch->dev, "ALL SLOTS BUSY!\n"); 848195801Smav ch->lastslot = tag; 849195801Smav /* Occupy chosen slot. */ 850195801Smav slot = &ch->slot[tag]; 851195801Smav slot->ccb = ccb; 852195801Smav /* Update channel stats. */ 853195801Smav ch->numrslots++; 854195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 855195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 856195801Smav ch->numtslots[ccb->ccb_h.target_id]++; 857195801Smav } 858195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 859195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 860195801Smav ch->aslots |= (1 << slot->slot); 861195801Smav slot->dma.nsegs = 0; 862195801Smav /* If request moves data, setup and load SG list */ 863195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 864195801Smav void *buf; 865195801Smav bus_size_t size; 866195801Smav 867195801Smav slot->state = SIIS_SLOT_LOADING; 868195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 869195801Smav buf = ccb->ataio.data_ptr; 870195801Smav size = ccb->ataio.dxfer_len; 871195801Smav } else { 872195801Smav buf = ccb->csio.data_ptr; 873195801Smav size = ccb->csio.dxfer_len; 874195801Smav } 875195801Smav bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 876195801Smav buf, size, siis_dmasetprd, slot, 0); 877195801Smav } else 878195801Smav siis_execute_transaction(slot); 879195801Smav} 880195801Smav 881195801Smav/* Locked by busdma engine. */ 882195801Smavstatic void 883195801Smavsiis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 884195801Smav{ 885195801Smav struct siis_slot *slot = arg; 886195801Smav struct siis_channel *ch = device_get_softc(slot->dev); 887195801Smav struct siis_cmd *ctp; 888195801Smav struct siis_dma_prd *prd; 889195801Smav int i; 890195801Smav 891195801Smav mtx_assert(&ch->mtx, MA_OWNED); 892195801Smav if (error) { 893195801Smav device_printf(slot->dev, "DMA load error\n"); 894195801Smav if (!ch->readlog) 895195801Smav xpt_freeze_simq(ch->sim, 1); 896195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 897195801Smav return; 898195801Smav } 899195801Smav KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 900195801Smav /* Get a piece of the workspace for this request */ 901195801Smav ctp = (struct siis_cmd *) 902195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 903195801Smav /* Fill S/G table */ 904195801Smav if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 905195801Smav prd = &ctp->u.ata.prd[0]; 906195801Smav else 907195801Smav prd = &ctp->u.atapi.prd[0]; 908195801Smav for (i = 0; i < nsegs; i++) { 909195801Smav prd[i].dba = htole64(segs[i].ds_addr); 910195801Smav prd[i].dbc = htole32(segs[i].ds_len); 911195801Smav prd[i].control = 0; 912195801Smav } 913195801Smav prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 914195801Smav slot->dma.nsegs = nsegs; 915195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 916195801Smav ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 917195801Smav BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 918195801Smav siis_execute_transaction(slot); 919195801Smav} 920195801Smav 921195801Smav/* Must be called with channel locked. */ 922195801Smavstatic void 923195801Smavsiis_execute_transaction(struct siis_slot *slot) 924195801Smav{ 925195801Smav device_t dev = slot->dev; 926195801Smav struct siis_channel *ch = device_get_softc(dev); 927195801Smav struct siis_cmd *ctp; 928195801Smav union ccb *ccb = slot->ccb; 929195801Smav u_int64_t prb_bus; 930195801Smav 931195801Smav mtx_assert(&ch->mtx, MA_OWNED); 932195801Smav /* Get a piece of the workspace for this request */ 933195801Smav ctp = (struct siis_cmd *) 934195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 935195801Smav ctp->control = 0; 936195801Smav ctp->protocol_override = 0; 937195801Smav ctp->transfer_count = 0; 938195801Smav /* Special handling for Soft Reset command. */ 939195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 940195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) { 941195801Smav ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 942195801Smav } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 943195801Smav if (ccb->ccb_h.flags & CAM_DIR_IN) 944195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_READ); 945195801Smav if (ccb->ccb_h.flags & CAM_DIR_OUT) 946195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 947195801Smav } 948195801Smav /* Setup the FIS for this request */ 949195801Smav if (!siis_setup_fis(ctp, ccb, slot->slot)) { 950195801Smav device_printf(ch->dev, "Setting up SATA FIS failed\n"); 951195801Smav if (!ch->readlog) 952195801Smav xpt_freeze_simq(ch->sim, 1); 953195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 954195801Smav return; 955195801Smav } 956195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 957195801Smav BUS_DMASYNC_PREWRITE); 958195801Smav /* Issue command to the controller. */ 959195801Smav slot->state = SIIS_SLOT_RUNNING; 960195801Smav ch->rslots |= (1 << slot->slot); 961195801Smav prb_bus = ch->dma.work_bus + 962195801Smav SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 963195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 964195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 965195801Smav /* Start command execution timeout */ 966195801Smav callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 967195801Smav (timeout_t*)siis_timeout, slot); 968195801Smav return; 969195801Smav} 970195801Smav 971195801Smav/* Locked by callout mechanism. */ 972195801Smavstatic void 973195801Smavsiis_timeout(struct siis_slot *slot) 974195801Smav{ 975195801Smav device_t dev = slot->dev; 976195801Smav struct siis_channel *ch = device_get_softc(dev); 977195801Smav int i; 978195801Smav 979195801Smav mtx_assert(&ch->mtx, MA_OWNED); 980195801Smav device_printf(dev, "Timeout on slot %d\n", slot->slot); 981195801Smavdevice_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 982195801Smav __func__, ATA_INL(ch->r_mem, SIIS_P_IS), ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 983195801Smav ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 984195801Smav ATA_INL(ch->r_mem, SIIS_P_SERR)); 985195801Smav /* Kick controller into sane state. */ 986195801Smav siis_portinit(ch->dev); 987195801Smav 988195801Smav if (!ch->readlog) 989195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 990197838Smav /* Handle frozen command. */ 991195801Smav if (ch->frozen) { 992195801Smav union ccb *fccb = ch->frozen; 993195801Smav ch->frozen = NULL; 994198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 995198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 996198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 997198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 998198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 999198321Smav } 1000195801Smav xpt_done(fccb); 1001195801Smav } 1002197838Smav /* Handle command with timeout. */ 1003197838Smav siis_end_transaction(&ch->slot[slot->slot], SIIS_ERR_TIMEOUT); 1004197838Smav /* Handle the rest of commands. */ 1005195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1006195801Smav /* Do we have a running request on slot? */ 1007195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1008195801Smav continue; 1009195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1010195801Smav } 1011195801Smav} 1012195801Smav 1013195801Smav/* Must be called with channel locked. */ 1014195801Smavstatic void 1015195801Smavsiis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1016195801Smav{ 1017195801Smav device_t dev = slot->dev; 1018195801Smav struct siis_channel *ch = device_get_softc(dev); 1019195801Smav union ccb *ccb = slot->ccb; 1020195801Smav 1021195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1022195801Smav /* Cancel command execution timeout */ 1023195801Smav callout_stop(&slot->timeout); 1024195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1025195801Smav BUS_DMASYNC_POSTWRITE); 1026195801Smav /* Read result registers to the result struct 1027195801Smav * May be incorrect if several commands finished same time, 1028195801Smav * so read only when sure or have to. 1029195801Smav */ 1030195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1031195801Smav struct ata_res *res = &ccb->ataio.res; 1032195801Smav if ((et == SIIS_ERR_TFE) || 1033195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1034195801Smav int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1035195801Smav 1036195801Smav res->status = ATA_INB(ch->r_mem, offs + 2); 1037195801Smav res->error = ATA_INB(ch->r_mem, offs + 3); 1038195801Smav res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1039195801Smav res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1040195801Smav res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1041195801Smav res->device = ATA_INB(ch->r_mem, offs + 7); 1042195801Smav res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1043195801Smav res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1044195801Smav res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1045195801Smav res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1046195801Smav res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1047195801Smav } else 1048195801Smav bzero(res, sizeof(*res)); 1049195801Smav } 1050195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1051195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1052195801Smav (ccb->ccb_h.flags & CAM_DIR_IN) ? 1053195801Smav BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1054195801Smav bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1055195801Smav } 1056195801Smav /* Set proper result status. */ 1057195801Smav if (et != SIIS_ERR_NONE || ch->recovery) { 1058195801Smav ch->eslots |= (1 << slot->slot); 1059195801Smav ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1060195801Smav } 1061198321Smav /* In case of error, freeze device for proper recovery. */ 1062198321Smav if (et != SIIS_ERR_NONE && 1063198321Smav !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1064198321Smav xpt_freeze_devq(ccb->ccb_h.path, 1); 1065198321Smav ccb->ccb_h.status |= CAM_DEV_QFRZN; 1066198321Smav } 1067198321Smav ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1068195801Smav switch (et) { 1069195801Smav case SIIS_ERR_NONE: 1070195801Smav ccb->ccb_h.status |= CAM_REQ_CMP; 1071195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1072195801Smav ccb->csio.scsi_status = SCSI_STATUS_OK; 1073195801Smav break; 1074195801Smav case SIIS_ERR_INVALID: 1075195801Smav ccb->ccb_h.status |= CAM_REQ_INVALID; 1076195801Smav break; 1077195801Smav case SIIS_ERR_INNOCENT: 1078195801Smav ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1079195801Smav break; 1080195801Smav case SIIS_ERR_TFE: 1081198321Smav case SIIS_ERR_NCQ: 1082195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1083195801Smav ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1084195801Smav ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1085195801Smav } else { 1086195801Smav ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1087195801Smav } 1088195801Smav break; 1089195801Smav case SIIS_ERR_SATA: 1090195801Smav ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1091195801Smav break; 1092195801Smav case SIIS_ERR_TIMEOUT: 1093195801Smav ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1094195801Smav break; 1095195801Smav default: 1096195801Smav ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1097195801Smav } 1098195801Smav /* Free slot. */ 1099195801Smav ch->rslots &= ~(1 << slot->slot); 1100195801Smav ch->aslots &= ~(1 << slot->slot); 1101195801Smav slot->state = SIIS_SLOT_EMPTY; 1102195801Smav slot->ccb = NULL; 1103195801Smav /* Update channel stats. */ 1104195801Smav ch->numrslots--; 1105195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1106195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1107195801Smav ch->numtslots[ccb->ccb_h.target_id]--; 1108195801Smav } 1109195801Smav /* If it was NCQ command error, put result on hold. */ 1110195801Smav if (et == SIIS_ERR_NCQ) { 1111195801Smav ch->hold[slot->slot] = ccb; 1112195801Smav ch->numhslots++; 1113195801Smav } else if (ch->readlog) /* If it was our READ LOG command - process it. */ 1114195801Smav siis_process_read_log(dev, ccb); 1115195801Smav else 1116195801Smav xpt_done(ccb); 1117195801Smav /* Unfreeze frozen command. */ 1118195801Smav if (ch->frozen && ch->numrslots == 0) { 1119195801Smav union ccb *fccb = ch->frozen; 1120195801Smav ch->frozen = NULL; 1121195801Smav siis_begin_transaction(dev, fccb); 1122195801Smav xpt_release_simq(ch->sim, TRUE); 1123195801Smav } 1124195801Smav /* If we have no other active commands, ... */ 1125195801Smav if (ch->rslots == 0) { 1126195801Smav /* if we have slots in error, we can reinit port. */ 1127195801Smav if (ch->eslots != 0) 1128195801Smav siis_portinit(dev); 1129195801Smav /* if there commands on hold, we can do READ LOG. */ 1130195801Smav if (!ch->readlog && ch->numhslots) 1131195801Smav siis_issue_read_log(dev); 1132195801Smav } 1133195801Smav} 1134195801Smav 1135195801Smavstatic void 1136195801Smavsiis_issue_read_log(device_t dev) 1137195801Smav{ 1138195801Smav struct siis_channel *ch = device_get_softc(dev); 1139195801Smav union ccb *ccb; 1140195801Smav struct ccb_ataio *ataio; 1141195801Smav int i; 1142195801Smav 1143195801Smav /* Find some holden command. */ 1144195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1145195801Smav if (ch->hold[i]) 1146195801Smav break; 1147195801Smav } 1148195801Smav if (i == SIIS_MAX_SLOTS) 1149195801Smav return; 1150195801Smav ch->readlog = 1; 1151195801Smav ccb = xpt_alloc_ccb_nowait(); 1152195801Smav if (ccb == NULL) { 1153195801Smav device_printf(dev, "Unable allocate READ LOG command"); 1154195801Smav return; /* XXX */ 1155195801Smav } 1156195801Smav ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1157195801Smav ccb->ccb_h.func_code = XPT_ATA_IO; 1158195801Smav ccb->ccb_h.flags = CAM_DIR_IN; 1159195801Smav ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1160195801Smav ataio = &ccb->ataio; 1161195801Smav ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1162195801Smav if (ataio->data_ptr == NULL) { 1163195801Smav device_printf(dev, "Unable allocate memory for READ LOG command"); 1164195801Smav return; /* XXX */ 1165195801Smav } 1166195801Smav ataio->dxfer_len = 512; 1167195801Smav bzero(&ataio->cmd, sizeof(ataio->cmd)); 1168195801Smav ataio->cmd.flags = CAM_ATAIO_48BIT; 1169195801Smav ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1170195801Smav ataio->cmd.sector_count = 1; 1171195801Smav ataio->cmd.sector_count_exp = 0; 1172195801Smav ataio->cmd.lba_low = 0x10; 1173195801Smav ataio->cmd.lba_mid = 0; 1174195801Smav ataio->cmd.lba_mid_exp = 0; 1175195801Smav siis_begin_transaction(dev, ccb); 1176195801Smav} 1177195801Smav 1178195801Smavstatic void 1179195801Smavsiis_process_read_log(device_t dev, union ccb *ccb) 1180195801Smav{ 1181195801Smav struct siis_channel *ch = device_get_softc(dev); 1182195801Smav uint8_t *data; 1183195801Smav struct ata_res *res; 1184195801Smav int i; 1185195801Smav 1186195801Smav ch->readlog = 0; 1187195801Smav data = ccb->ataio.data_ptr; 1188195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1189195801Smav (data[0] & 0x80) == 0) { 1190195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1191195801Smav if (!ch->hold[i]) 1192195801Smav continue; 1193195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1194195801Smav continue; 1195195801Smav if ((data[0] & 0x1F) == i) { 1196195801Smav res = &ch->hold[i]->ataio.res; 1197195801Smav res->status = data[2]; 1198195801Smav res->error = data[3]; 1199195801Smav res->lba_low = data[4]; 1200195801Smav res->lba_mid = data[5]; 1201195801Smav res->lba_high = data[6]; 1202195801Smav res->device = data[7]; 1203195801Smav res->lba_low_exp = data[8]; 1204195801Smav res->lba_mid_exp = data[9]; 1205195801Smav res->lba_high_exp = data[10]; 1206195801Smav res->sector_count = data[12]; 1207195801Smav res->sector_count_exp = data[13]; 1208195801Smav } else { 1209195801Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1210195801Smav ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1211195801Smav } 1212195801Smav xpt_done(ch->hold[i]); 1213195801Smav ch->hold[i] = NULL; 1214195801Smav ch->numhslots--; 1215195801Smav } 1216195801Smav } else { 1217195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1218195801Smav device_printf(dev, "Error while READ LOG EXT\n"); 1219195801Smav else if ((data[0] & 0x80) == 0) { 1220195801Smav device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1221195801Smav } 1222195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1223195801Smav if (!ch->hold[i]) 1224195801Smav continue; 1225195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1226195801Smav continue; 1227195801Smav xpt_done(ch->hold[i]); 1228195801Smav ch->hold[i] = NULL; 1229195801Smav ch->numhslots--; 1230195801Smav } 1231195801Smav } 1232195801Smav free(ccb->ataio.data_ptr, M_SIIS); 1233195801Smav xpt_free_ccb(ccb); 1234195801Smav} 1235195801Smav 1236195801Smavstatic void 1237195801Smavsiis_portinit(device_t dev) 1238195801Smav{ 1239195801Smav struct siis_channel *ch = device_get_softc(dev); 1240195801Smav int i; 1241195801Smav 1242195801Smav ch->eslots = 0; 1243195801Smav ch->recovery = 0; 1244195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1245195801Smav for (i = 0; i < 16; i++) { 1246195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1247195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1248195801Smav } 1249195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1250195801Smav siis_wait_ready(dev, 1000); 1251195801Smav} 1252195801Smav 1253195801Smav#if 0 1254195801Smavstatic void 1255195801Smavsiis_devreset(device_t dev) 1256195801Smav{ 1257195801Smav struct siis_channel *ch = device_get_softc(dev); 1258195801Smav 1259195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1260195801Smav siis_wait_ready(dev, 1000); 1261195801Smav} 1262195801Smav#endif 1263195801Smav 1264195801Smavstatic int 1265195801Smavsiis_wait_ready(device_t dev, int t) 1266195801Smav{ 1267195801Smav struct siis_channel *ch = device_get_softc(dev); 1268195801Smav int timeout = 0; 1269195801Smav uint32_t val; 1270195801Smav 1271195801Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1272195801Smav SIIS_P_CTL_READY) == 0) { 1273195801Smav DELAY(1000); 1274195801Smav if (timeout++ > t) { 1275195801Smav device_printf(dev, "port is not ready (timeout %dms) " 1276195801Smav "status = %08x\n", t, val); 1277195801Smav return (EBUSY); 1278195801Smav } 1279195801Smav } 1280195801Smav if (bootverbose) 1281195801Smav device_printf(dev, "ready wait time=%dms\n", timeout); 1282195801Smav return (0); 1283195801Smav} 1284195801Smav 1285195801Smavstatic void 1286195801Smavsiis_reset(device_t dev) 1287195801Smav{ 1288195801Smav struct siis_channel *ch = device_get_softc(dev); 1289195801Smav int i; 1290195801Smav 1291195801Smav if (bootverbose) 1292195801Smav device_printf(dev, "SIIS reset...\n"); 1293195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1294195801Smav /* Requeue freezed command. */ 1295195801Smav if (ch->frozen) { 1296195801Smav union ccb *fccb = ch->frozen; 1297195801Smav ch->frozen = NULL; 1298198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1299198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1300198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1301198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 1302198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 1303198321Smav } 1304195801Smav xpt_done(fccb); 1305195801Smav } 1306195801Smav /* Disable port interrupts */ 1307195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1308195801Smav /* Kill the engine and requeue all running commands. */ 1309195801Smav siis_portinit(dev); 1310195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1311195801Smav /* Do we have a running request on slot? */ 1312195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1313195801Smav continue; 1314195801Smav /* XXX; Commands in loading state. */ 1315195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1316195801Smav } 1317195801Smav /* Reset and reconnect PHY, */ 1318195801Smav if (!siis_sata_phy_reset(dev)) { 1319195801Smav ch->devices = 0; 1320195801Smav /* Enable port interrupts */ 1321195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1322195801Smav if (bootverbose) 1323195801Smav device_printf(dev, 1324195801Smav "SIIS reset done: phy reset found no device\n"); 1325195801Smav /* Tell the XPT about the event */ 1326195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1327195801Smav return; 1328195801Smav } 1329195801Smav /* Wait for clearing busy status. */ 1330195801Smav if (siis_wait_ready(dev, 10000)) { 1331195801Smav device_printf(dev, "device ready timeout\n"); 1332195801Smav } 1333195801Smav ch->devices = 1; 1334195801Smav /* Enable port interrupts */ 1335195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1336195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1337195801Smav if (bootverbose) 1338195801Smav device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1339195801Smav /* Tell the XPT about the event */ 1340195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1341195801Smav} 1342195801Smav 1343195801Smavstatic int 1344195801Smavsiis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag) 1345195801Smav{ 1346195801Smav u_int8_t *fis = &ctp->fis[0]; 1347195801Smav 1348195801Smav bzero(fis, 24); 1349195801Smav fis[0] = 0x27; /* host to device */ 1350195801Smav fis[1] = (ccb->ccb_h.target_id & 0x0f); 1351195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1352195801Smav fis[1] |= 0x80; 1353195801Smav fis[2] = ATA_PACKET_CMD; 1354195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 1355195801Smav fis[3] = ATA_F_DMA; 1356195801Smav else { 1357195801Smav fis[5] = ccb->csio.dxfer_len; 1358195801Smav fis[6] = ccb->csio.dxfer_len >> 8; 1359195801Smav } 1360195801Smav fis[7] = ATA_D_LBA; 1361195801Smav fis[15] = ATA_A_4BIT; 1362195801Smav bzero(ctp->u.atapi.ccb, 16); 1363195801Smav bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1364195801Smav ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1365195801Smav ctp->u.atapi.ccb, ccb->csio.cdb_len); 1366195801Smav } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1367195801Smav fis[1] |= 0x80; 1368195801Smav fis[2] = ccb->ataio.cmd.command; 1369195801Smav fis[3] = ccb->ataio.cmd.features; 1370195801Smav fis[4] = ccb->ataio.cmd.lba_low; 1371195801Smav fis[5] = ccb->ataio.cmd.lba_mid; 1372195801Smav fis[6] = ccb->ataio.cmd.lba_high; 1373195801Smav fis[7] = ccb->ataio.cmd.device; 1374195801Smav fis[8] = ccb->ataio.cmd.lba_low_exp; 1375195801Smav fis[9] = ccb->ataio.cmd.lba_mid_exp; 1376195801Smav fis[10] = ccb->ataio.cmd.lba_high_exp; 1377195801Smav fis[11] = ccb->ataio.cmd.features_exp; 1378195801Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1379195801Smav fis[12] = tag << 3; 1380195801Smav fis[13] = 0; 1381195801Smav } else { 1382195801Smav fis[12] = ccb->ataio.cmd.sector_count; 1383195801Smav fis[13] = ccb->ataio.cmd.sector_count_exp; 1384195801Smav } 1385195801Smav fis[15] = ATA_A_4BIT; 1386195801Smav } else { 1387195801Smav /* Soft reset. */ 1388195801Smav } 1389195801Smav return (20); 1390195801Smav} 1391195801Smav 1392195801Smavstatic int 1393195801Smavsiis_sata_connect(struct siis_channel *ch) 1394195801Smav{ 1395195801Smav u_int32_t status; 1396195801Smav int timeout; 1397195801Smav 1398195801Smav /* Wait up to 100ms for "connect well" */ 1399195801Smav for (timeout = 0; timeout < 100 ; timeout++) { 1400195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1401195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1402195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1403195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1404195801Smav break; 1405195801Smav DELAY(1000); 1406195801Smav } 1407195801Smav if (timeout >= 100) { 1408195801Smav if (bootverbose) { 1409195801Smav device_printf(ch->dev, "SATA connect timeout status=%08x\n", 1410195801Smav status); 1411195801Smav } 1412195801Smav return (0); 1413195801Smav } 1414195801Smav if (bootverbose) { 1415195801Smav device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 1416195801Smav timeout, status); 1417195801Smav } 1418195801Smav /* Clear SATA error register */ 1419195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1420195801Smav return (1); 1421195801Smav} 1422195801Smav 1423195801Smavstatic int 1424195801Smavsiis_sata_phy_reset(device_t dev) 1425195801Smav{ 1426195801Smav struct siis_channel *ch = device_get_softc(dev); 1427195801Smav uint32_t val; 1428195801Smav 1429195801Smav if (bootverbose) 1430195801Smav device_printf(dev, "hardware reset ...\n"); 1431195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SCTL, ATA_SC_IPM_DIS_PARTIAL | 1432195801Smav ATA_SC_IPM_DIS_SLUMBER | ATA_SC_DET_RESET); 1433195801Smav DELAY(50000); 1434195801Smav if (ch->sata_rev == 1) 1435195801Smav val = ATA_SC_SPD_SPEED_GEN1; 1436195801Smav else if (ch->sata_rev == 2) 1437195801Smav val = ATA_SC_SPD_SPEED_GEN2; 1438195801Smav else if (ch->sata_rev == 3) 1439195801Smav val = ATA_SC_SPD_SPEED_GEN3; 1440195801Smav else 1441195801Smav val = 0; 1442195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1443195801Smav ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1444195801Smav (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1445195801Smav DELAY(50000); 1446195801Smav return (siis_sata_connect(ch)); 1447195801Smav} 1448195801Smav 1449195801Smavstatic void 1450195801Smavsiisaction(struct cam_sim *sim, union ccb *ccb) 1451195801Smav{ 1452195801Smav device_t dev; 1453195801Smav struct siis_channel *ch; 1454195801Smav 1455195801Smav CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1456195801Smav ccb->ccb_h.func_code)); 1457195801Smav 1458195801Smav ch = (struct siis_channel *)cam_sim_softc(sim); 1459195801Smav dev = ch->dev; 1460195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1461195801Smav switch (ccb->ccb_h.func_code) { 1462195801Smav /* Common cases first */ 1463195801Smav case XPT_ATA_IO: /* Execute the requested I/O operation */ 1464195801Smav case XPT_SCSI_IO: 1465195801Smav if (ch->devices == 0) { 1466195801Smav ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1467195801Smav xpt_done(ccb); 1468195801Smav break; 1469195801Smav } 1470195801Smav /* Check for command collision. */ 1471195801Smav if (siis_check_collision(dev, ccb)) { 1472195801Smav /* Freeze command. */ 1473195801Smav ch->frozen = ccb; 1474195801Smav /* We have only one frozen slot, so freeze simq also. */ 1475195801Smav xpt_freeze_simq(ch->sim, 1); 1476195801Smav return; 1477195801Smav } 1478195801Smav siis_begin_transaction(dev, ccb); 1479195801Smav break; 1480195801Smav case XPT_EN_LUN: /* Enable LUN as a target */ 1481195801Smav case XPT_TARGET_IO: /* Execute target I/O request */ 1482195801Smav case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1483195801Smav case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1484195801Smav case XPT_ABORT: /* Abort the specified CCB */ 1485195801Smav /* XXX Implement */ 1486195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1487195801Smav xpt_done(ccb); 1488195801Smav break; 1489195801Smav case XPT_SET_TRAN_SETTINGS: 1490195801Smav { 1491195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1492195801Smav 1493195801Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1494195801Smav if (cts->xport_specific.sata.pm_present) 1495195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1496195801Smav else 1497195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1498195801Smav } 1499195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1500195801Smav xpt_done(ccb); 1501195801Smav break; 1502195801Smav } 1503195801Smav case XPT_GET_TRAN_SETTINGS: 1504195801Smav /* Get default/user set transfer settings for the target */ 1505195801Smav { 1506195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1507195801Smav uint32_t status; 1508195801Smav 1509195801Smav cts->protocol = PROTO_ATA; 1510196655Smav cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1511195801Smav cts->transport = XPORT_SATA; 1512196655Smav cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1513195801Smav cts->proto_specific.valid = 0; 1514195801Smav cts->xport_specific.sata.valid = 0; 1515195801Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1516195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1517195801Smav else 1518195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SCTL) & ATA_SC_SPD_MASK; 1519195801Smav if (status & ATA_SS_SPD_GEN3) { 1520195801Smav cts->xport_specific.sata.bitrate = 600000; 1521195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1522195801Smav } else if (status & ATA_SS_SPD_GEN2) { 1523195801Smav cts->xport_specific.sata.bitrate = 300000; 1524195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1525195801Smav } else if (status & ATA_SS_SPD_GEN1) { 1526195801Smav cts->xport_specific.sata.bitrate = 150000; 1527195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1528195801Smav } 1529195801Smav cts->xport_specific.sata.pm_present = 1530195801Smav (ATA_INL(ch->r_mem, SIIS_P_STS) & SIIS_P_CTL_PME) ? 1531195801Smav 1 : 0; 1532195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1533195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1534195801Smav xpt_done(ccb); 1535195801Smav break; 1536195801Smav } 1537195801Smav#if 0 1538195801Smav case XPT_CALC_GEOMETRY: 1539195801Smav { 1540195801Smav struct ccb_calc_geometry *ccg; 1541195801Smav uint32_t size_mb; 1542195801Smav uint32_t secs_per_cylinder; 1543195801Smav 1544195801Smav ccg = &ccb->ccg; 1545195801Smav size_mb = ccg->volume_size 1546195801Smav / ((1024L * 1024L) / ccg->block_size); 1547195801Smav if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1548195801Smav if (size_mb >= 2048) { 1549195801Smav ccg->heads = 255; 1550195801Smav ccg->secs_per_track = 63; 1551195801Smav } else { 1552195801Smav ccg->heads = 128; 1553195801Smav ccg->secs_per_track = 32; 1554195801Smav } 1555195801Smav } else { 1556195801Smav ccg->heads = 64; 1557195801Smav ccg->secs_per_track = 32; 1558195801Smav } 1559195801Smav secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1560195801Smav ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1561195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1562195801Smav xpt_done(ccb); 1563195801Smav break; 1564195801Smav } 1565195801Smav#endif 1566195801Smav case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1567195801Smav case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1568195801Smav siis_reset(dev); 1569195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1570195801Smav xpt_done(ccb); 1571195801Smav break; 1572195801Smav case XPT_TERM_IO: /* Terminate the I/O process */ 1573195801Smav /* XXX Implement */ 1574195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1575195801Smav xpt_done(ccb); 1576195801Smav break; 1577195801Smav case XPT_PATH_INQ: /* Path routing inquiry */ 1578195801Smav { 1579195801Smav struct ccb_pathinq *cpi = &ccb->cpi; 1580195801Smav 1581195801Smav cpi->version_num = 1; /* XXX??? */ 1582195801Smav cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1583195801Smav cpi->hba_inquiry |= PI_SATAPM; 1584195801Smav cpi->target_sprt = 0; 1585195801Smav cpi->hba_misc = PIM_SEQSCAN; 1586195801Smav cpi->hba_eng_cnt = 0; 1587198322Smav cpi->max_target = 15; 1588195801Smav cpi->max_lun = 0; 1589195801Smav cpi->initiator_id = 0; 1590195801Smav cpi->bus_id = cam_sim_bus(sim); 1591195801Smav cpi->base_transfer_speed = 150000; 1592195801Smav strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1593195801Smav strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1594195801Smav strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1595195801Smav cpi->unit_number = cam_sim_unit(sim); 1596195801Smav cpi->transport = XPORT_SATA; 1597196655Smav cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1598195801Smav cpi->protocol = PROTO_ATA; 1599196655Smav cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1600195801Smav cpi->ccb_h.status = CAM_REQ_CMP; 1601195801Smav cpi->maxio = MAXPHYS; 1602195801Smav xpt_done(ccb); 1603195801Smav break; 1604195801Smav } 1605195801Smav default: 1606195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1607195801Smav xpt_done(ccb); 1608195801Smav break; 1609195801Smav } 1610195801Smav} 1611195801Smav 1612195801Smavstatic void 1613195801Smavsiispoll(struct cam_sim *sim) 1614195801Smav{ 1615195801Smav struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1616195801Smav 1617195801Smav siis_ch_intr(ch->dev); 1618195801Smav} 1619