siis.c revision 198852
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 198852 2009-11-03 12:03:13Z 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); 83195801Smav 84195801Smavstatic void siis_issue_read_log(device_t dev); 85195801Smavstatic void siis_process_read_log(device_t dev, union ccb *ccb); 86195801Smav 87195801Smavstatic void siisaction(struct cam_sim *sim, union ccb *ccb); 88195801Smavstatic void siispoll(struct cam_sim *sim); 89195801Smav 90195801SmavMALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers"); 91195801Smav 92195801Smavstatic int 93195801Smavsiis_probe(device_t dev) 94195801Smav{ 95195801Smav uint32_t devid = pci_get_devid(dev); 96195801Smav 97195801Smav if (devid == SIIS_SII3124) { 98195801Smav device_set_desc_copy(dev, "SiI3124 SATA2 controller"); 99195801Smav } else if (devid == SIIS_SII3132 || 100195801Smav devid == SIIS_SII3132_1 || 101195801Smav devid == SIIS_SII3132_2) { 102195801Smav device_set_desc_copy(dev, "SiI3132 SATA2 controller"); 103195801Smav } else if (devid == SIIS_SII3531) { 104195801Smav device_set_desc_copy(dev, "SiI3531 SATA2 controller"); 105195801Smav } else { 106195801Smav return (ENXIO); 107195801Smav } 108195801Smav 109195801Smav return (BUS_PROBE_VENDOR); 110195801Smav} 111195801Smav 112195801Smavstatic int 113195801Smavsiis_attach(device_t dev) 114195801Smav{ 115195801Smav struct siis_controller *ctlr = device_get_softc(dev); 116195801Smav uint32_t devid = pci_get_devid(dev); 117195801Smav device_t child; 118195801Smav int error, unit; 119195801Smav 120195801Smav ctlr->dev = dev; 121195801Smav /* Global memory */ 122195801Smav ctlr->r_grid = PCIR_BAR(0); 123195801Smav if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 124195801Smav &ctlr->r_grid, RF_ACTIVE))) 125195801Smav return (ENXIO); 126195801Smav /* Channels memory */ 127195801Smav ctlr->r_rid = PCIR_BAR(2); 128195801Smav if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 129195801Smav &ctlr->r_rid, RF_ACTIVE))) 130195801Smav return (ENXIO); 131195801Smav /* Setup our own memory management for channels. */ 132195801Smav ctlr->sc_iomem.rm_type = RMAN_ARRAY; 133195801Smav ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 134195801Smav if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 135195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 136195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 137195801Smav return (error); 138195801Smav } 139195801Smav if ((error = rman_manage_region(&ctlr->sc_iomem, 140195801Smav rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 141195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 142195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 143195801Smav rman_fini(&ctlr->sc_iomem); 144195801Smav return (error); 145195801Smav } 146195801Smav /* Reset controller */ 147195801Smav siis_resume(dev); 148195801Smav /* Number of HW channels */ 149195801Smav ctlr->channels = (devid == SIIS_SII3124) ? 4 : 150195801Smav (devid == SIIS_SII3531 ? 1 : 2); 151195801Smav /* Setup interrupts. */ 152195801Smav if (siis_setup_interrupt(dev)) { 153195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 154195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 155195801Smav rman_fini(&ctlr->sc_iomem); 156195801Smav return ENXIO; 157195801Smav } 158195801Smav /* Attach all channels on this controller */ 159195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 160195801Smav child = device_add_child(dev, "siisch", -1); 161195801Smav if (child == NULL) 162195801Smav device_printf(dev, "failed to add channel device\n"); 163195801Smav else 164195801Smav device_set_ivars(child, (void *)(intptr_t)unit); 165195801Smav } 166195801Smav bus_generic_attach(dev); 167195801Smav return 0; 168195801Smav} 169195801Smav 170195801Smavstatic int 171195801Smavsiis_detach(device_t dev) 172195801Smav{ 173195801Smav struct siis_controller *ctlr = device_get_softc(dev); 174195801Smav device_t *children; 175195801Smav int nchildren, i; 176195801Smav 177195801Smav /* Detach & delete all children */ 178195801Smav if (!device_get_children(dev, &children, &nchildren)) { 179195801Smav for (i = 0; i < nchildren; i++) 180195801Smav device_delete_child(dev, children[i]); 181195801Smav free(children, M_TEMP); 182195801Smav } 183195801Smav /* Free interrupts. */ 184195801Smav if (ctlr->irq.r_irq) { 185195801Smav bus_teardown_intr(dev, ctlr->irq.r_irq, 186195801Smav ctlr->irq.handle); 187195801Smav bus_release_resource(dev, SYS_RES_IRQ, 188195801Smav ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 189195801Smav } 190195801Smav pci_release_msi(dev); 191195801Smav /* Free memory. */ 192195801Smav rman_fini(&ctlr->sc_iomem); 193195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 194195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 195195801Smav return (0); 196195801Smav} 197195801Smav 198195801Smavstatic int 199195801Smavsiis_suspend(device_t dev) 200195801Smav{ 201195801Smav struct siis_controller *ctlr = device_get_softc(dev); 202195801Smav 203195801Smav bus_generic_suspend(dev); 204195801Smav /* Put controller into reset state. */ 205195801Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET); 206195801Smav return 0; 207195801Smav} 208195801Smav 209195801Smavstatic int 210195801Smavsiis_resume(device_t dev) 211195801Smav{ 212195801Smav struct siis_controller *ctlr = device_get_softc(dev); 213195801Smav 214195801Smav /* Put controller into reset state. */ 215195801Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET); 216195801Smav DELAY(10000); 217195801Smav /* Get controller out of reset state and enable port interrupts. */ 218195801Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 0x0000000f); 219195801Smav return (bus_generic_resume(dev)); 220195801Smav} 221195801Smav 222195801Smavstatic int 223195801Smavsiis_setup_interrupt(device_t dev) 224195801Smav{ 225195801Smav struct siis_controller *ctlr = device_get_softc(dev); 226195801Smav int msi = 0; 227195801Smav 228195801Smav /* Process hints. */ 229195801Smav resource_int_value(device_get_name(dev), 230195801Smav device_get_unit(dev), "msi", &msi); 231195801Smav if (msi < 0) 232195801Smav msi = 0; 233195801Smav else if (msi > 0) 234195801Smav msi = min(1, pci_msi_count(dev)); 235195801Smav /* Allocate MSI if needed/present. */ 236195801Smav if (msi && pci_alloc_msi(dev, &msi) != 0) 237195801Smav msi = 0; 238195801Smav /* Allocate all IRQs. */ 239195801Smav ctlr->irq.r_irq_rid = msi ? 1 : 0; 240195801Smav if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 241195801Smav &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 242195801Smav device_printf(dev, "unable to map interrupt\n"); 243195801Smav return ENXIO; 244195801Smav } 245195801Smav if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 246195801Smav siis_intr, ctlr, &ctlr->irq.handle))) { 247195801Smav /* SOS XXX release r_irq */ 248195801Smav device_printf(dev, "unable to setup interrupt\n"); 249195801Smav return ENXIO; 250195801Smav } 251195801Smav return (0); 252195801Smav} 253195801Smav 254195801Smav/* 255195801Smav * Common case interrupt handler. 256195801Smav */ 257195801Smavstatic void 258195801Smavsiis_intr(void *data) 259195801Smav{ 260195801Smav struct siis_controller *ctlr = (struct siis_controller *)data; 261195801Smav u_int32_t is; 262195801Smav void *arg; 263195801Smav int unit; 264195801Smav 265195801Smav is = ATA_INL(ctlr->r_gmem, SIIS_IS); 266195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 267195801Smav if ((is & SIIS_IS_PORT(unit)) != 0 && 268195801Smav (arg = ctlr->interrupt[unit].argument)) { 269195801Smav ctlr->interrupt[unit].function(arg); 270195801Smav } 271195801Smav } 272195801Smav} 273195801Smav 274195801Smavstatic struct resource * 275195801Smavsiis_alloc_resource(device_t dev, device_t child, int type, int *rid, 276195801Smav u_long start, u_long end, u_long count, u_int flags) 277195801Smav{ 278195801Smav struct siis_controller *ctlr = device_get_softc(dev); 279195801Smav int unit = ((struct siis_channel *)device_get_softc(child))->unit; 280195801Smav struct resource *res = NULL; 281195801Smav int offset = unit << 13; 282195801Smav long st; 283195801Smav 284195801Smav switch (type) { 285195801Smav case SYS_RES_MEMORY: 286195801Smav st = rman_get_start(ctlr->r_mem); 287195801Smav res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 288195801Smav st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 289195801Smav if (res) { 290195801Smav bus_space_handle_t bsh; 291195801Smav bus_space_tag_t bst; 292195801Smav bsh = rman_get_bushandle(ctlr->r_mem); 293195801Smav bst = rman_get_bustag(ctlr->r_mem); 294195801Smav bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 295195801Smav rman_set_bushandle(res, bsh); 296195801Smav rman_set_bustag(res, bst); 297195801Smav } 298195801Smav break; 299195801Smav case SYS_RES_IRQ: 300195801Smav if (*rid == ATA_IRQ_RID) 301195801Smav res = ctlr->irq.r_irq; 302195801Smav break; 303195801Smav } 304195801Smav return (res); 305195801Smav} 306195801Smav 307195801Smavstatic int 308195801Smavsiis_release_resource(device_t dev, device_t child, int type, int rid, 309195801Smav struct resource *r) 310195801Smav{ 311195801Smav 312195801Smav switch (type) { 313195801Smav case SYS_RES_MEMORY: 314195801Smav rman_release_resource(r); 315195801Smav return (0); 316195801Smav case SYS_RES_IRQ: 317195801Smav if (rid != ATA_IRQ_RID) 318195801Smav return ENOENT; 319195801Smav return (0); 320195801Smav } 321195801Smav return (EINVAL); 322195801Smav} 323195801Smav 324195801Smavstatic int 325195801Smavsiis_setup_intr(device_t dev, device_t child, struct resource *irq, 326195801Smav int flags, driver_filter_t *filter, driver_intr_t *function, 327195801Smav void *argument, void **cookiep) 328195801Smav{ 329195801Smav struct siis_controller *ctlr = device_get_softc(dev); 330195801Smav int unit = (intptr_t)device_get_ivars(child); 331195801Smav 332195801Smav if (filter != NULL) { 333195801Smav printf("siis.c: we cannot use a filter here\n"); 334195801Smav return (EINVAL); 335195801Smav } 336195801Smav ctlr->interrupt[unit].function = function; 337195801Smav ctlr->interrupt[unit].argument = argument; 338195801Smav return (0); 339195801Smav} 340195801Smav 341195801Smavstatic int 342195801Smavsiis_teardown_intr(device_t dev, device_t child, struct resource *irq, 343195801Smav void *cookie) 344195801Smav{ 345195801Smav struct siis_controller *ctlr = device_get_softc(dev); 346195801Smav int unit = (intptr_t)device_get_ivars(child); 347195801Smav 348195801Smav ctlr->interrupt[unit].function = NULL; 349195801Smav ctlr->interrupt[unit].argument = NULL; 350195801Smav return (0); 351195801Smav} 352195801Smav 353195801Smavstatic int 354195801Smavsiis_print_child(device_t dev, device_t child) 355195801Smav{ 356195801Smav int retval; 357195801Smav 358195801Smav retval = bus_print_child_header(dev, child); 359195801Smav retval += printf(" at channel %d", 360195801Smav (int)(intptr_t)device_get_ivars(child)); 361195801Smav retval += bus_print_child_footer(dev, child); 362195801Smav 363195801Smav return (retval); 364195801Smav} 365195801Smav 366195801Smavdevclass_t siis_devclass; 367195801Smavstatic device_method_t siis_methods[] = { 368195801Smav DEVMETHOD(device_probe, siis_probe), 369195801Smav DEVMETHOD(device_attach, siis_attach), 370195801Smav DEVMETHOD(device_detach, siis_detach), 371195801Smav DEVMETHOD(device_suspend, siis_suspend), 372195801Smav DEVMETHOD(device_resume, siis_resume), 373195801Smav DEVMETHOD(bus_print_child, siis_print_child), 374195801Smav DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 375195801Smav DEVMETHOD(bus_release_resource, siis_release_resource), 376195801Smav DEVMETHOD(bus_setup_intr, siis_setup_intr), 377195801Smav DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 378195801Smav { 0, 0 } 379195801Smav}; 380195801Smavstatic driver_t siis_driver = { 381195801Smav "siis", 382195801Smav siis_methods, 383195801Smav sizeof(struct siis_controller) 384195801Smav}; 385195801SmavDRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 386195801SmavMODULE_VERSION(siis, 1); 387195801SmavMODULE_DEPEND(siis, cam, 1, 1, 1); 388195801Smav 389195801Smavstatic int 390195801Smavsiis_ch_probe(device_t dev) 391195801Smav{ 392195801Smav 393195801Smav device_set_desc_copy(dev, "SIIS channel"); 394195801Smav return (0); 395195801Smav} 396195801Smav 397195801Smavstatic int 398195801Smavsiis_ch_attach(device_t dev) 399195801Smav{ 400195801Smav struct siis_channel *ch = device_get_softc(dev); 401195801Smav struct cam_devq *devq; 402195801Smav int rid, error; 403195801Smav 404195801Smav ch->dev = dev; 405195801Smav ch->unit = (intptr_t)device_get_ivars(dev); 406195801Smav resource_int_value(device_get_name(dev), 407195801Smav device_get_unit(dev), "pm_level", &ch->pm_level); 408195801Smav resource_int_value(device_get_name(dev), 409195801Smav device_get_unit(dev), "sata_rev", &ch->sata_rev); 410195801Smav mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 411195801Smav rid = ch->unit; 412195801Smav if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 413195801Smav &rid, RF_ACTIVE))) 414195801Smav return (ENXIO); 415195801Smav siis_dmainit(dev); 416195801Smav siis_slotsalloc(dev); 417195801Smav siis_ch_resume(dev); 418195801Smav mtx_lock(&ch->mtx); 419195801Smav rid = ATA_IRQ_RID; 420195801Smav if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 421195801Smav &rid, RF_SHAREABLE | RF_ACTIVE))) { 422195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 423195801Smav device_printf(dev, "Unable to map interrupt\n"); 424195801Smav return (ENXIO); 425195801Smav } 426195801Smav if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 427195801Smav siis_ch_intr_locked, dev, &ch->ih))) { 428195801Smav device_printf(dev, "Unable to setup interrupt\n"); 429195801Smav error = ENXIO; 430195801Smav goto err1; 431195801Smav } 432195801Smav /* Create the device queue for our SIM. */ 433195801Smav devq = cam_simq_alloc(SIIS_MAX_SLOTS); 434195801Smav if (devq == NULL) { 435195801Smav device_printf(dev, "Unable to allocate simq\n"); 436195801Smav error = ENOMEM; 437195801Smav goto err1; 438195801Smav } 439195801Smav /* Construct SIM entry */ 440195801Smav ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 441195801Smav device_get_unit(dev), &ch->mtx, SIIS_MAX_SLOTS, 0, devq); 442195801Smav if (ch->sim == NULL) { 443195801Smav device_printf(dev, "unable to allocate sim\n"); 444195801Smav error = ENOMEM; 445195801Smav goto err2; 446195801Smav } 447195801Smav if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 448195801Smav device_printf(dev, "unable to register xpt bus\n"); 449195801Smav error = ENXIO; 450195801Smav goto err2; 451195801Smav } 452195801Smav if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 453195801Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 454195801Smav device_printf(dev, "unable to create path\n"); 455195801Smav error = ENXIO; 456195801Smav goto err3; 457195801Smav } 458195801Smav mtx_unlock(&ch->mtx); 459195801Smav return (0); 460195801Smav 461195801Smaverr3: 462195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 463195801Smaverr2: 464195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 465195801Smaverr1: 466195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 467195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 468195801Smav mtx_unlock(&ch->mtx); 469195801Smav return (error); 470195801Smav} 471195801Smav 472195801Smavstatic int 473195801Smavsiis_ch_detach(device_t dev) 474195801Smav{ 475195801Smav struct siis_channel *ch = device_get_softc(dev); 476195801Smav 477195801Smav mtx_lock(&ch->mtx); 478195801Smav xpt_async(AC_LOST_DEVICE, ch->path, NULL); 479195801Smav xpt_free_path(ch->path); 480195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 481195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 482195801Smav mtx_unlock(&ch->mtx); 483195801Smav 484195801Smav bus_teardown_intr(dev, ch->r_irq, ch->ih); 485195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 486195801Smav 487195801Smav siis_ch_suspend(dev); 488195801Smav siis_slotsfree(dev); 489195801Smav siis_dmafini(dev); 490195801Smav 491195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 492195801Smav mtx_destroy(&ch->mtx); 493195801Smav return (0); 494195801Smav} 495195801Smav 496195801Smavstatic int 497195801Smavsiis_ch_suspend(device_t dev) 498195801Smav{ 499195801Smav struct siis_channel *ch = device_get_softc(dev); 500195801Smav 501195801Smav /* Put port into reset state. */ 502195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 503195801Smav return (0); 504195801Smav} 505195801Smav 506195801Smavstatic int 507195801Smavsiis_ch_resume(device_t dev) 508195801Smav{ 509195801Smav struct siis_channel *ch = device_get_softc(dev); 510195801Smav 511195801Smav /* Get port out of reset state. */ 512195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 513195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 514198852Smav if (ch->pm_present) 515198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 516198852Smav else 517198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 518195801Smav /* Enable port interrupts */ 519195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 520195801Smav return (0); 521195801Smav} 522195801Smav 523195801Smavdevclass_t siisch_devclass; 524195801Smavstatic device_method_t siisch_methods[] = { 525195801Smav DEVMETHOD(device_probe, siis_ch_probe), 526195801Smav DEVMETHOD(device_attach, siis_ch_attach), 527195801Smav DEVMETHOD(device_detach, siis_ch_detach), 528195801Smav DEVMETHOD(device_suspend, siis_ch_suspend), 529195801Smav DEVMETHOD(device_resume, siis_ch_resume), 530195801Smav { 0, 0 } 531195801Smav}; 532195801Smavstatic driver_t siisch_driver = { 533195801Smav "siisch", 534195801Smav siisch_methods, 535195801Smav sizeof(struct siis_channel) 536195801Smav}; 537195801SmavDRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 538195801Smav 539195801Smavstruct siis_dc_cb_args { 540195801Smav bus_addr_t maddr; 541195801Smav int error; 542195801Smav}; 543195801Smav 544195801Smavstatic void 545195801Smavsiis_dmainit(device_t dev) 546195801Smav{ 547195801Smav struct siis_channel *ch = device_get_softc(dev); 548195801Smav struct siis_dc_cb_args dcba; 549195801Smav 550195801Smav /* Command area. */ 551195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 552195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 553195801Smav NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 554195801Smav 0, NULL, NULL, &ch->dma.work_tag)) 555195801Smav goto error; 556195801Smav if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 557195801Smav &ch->dma.work_map)) 558195801Smav goto error; 559195801Smav if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 560195801Smav SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 561195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 562195801Smav goto error; 563195801Smav } 564195801Smav ch->dma.work_bus = dcba.maddr; 565195801Smav /* Data area. */ 566195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0, 567195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 568195801Smav NULL, NULL, 569195801Smav SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 570195801Smav SIIS_SG_ENTRIES, 0xFFFFFFFF, 571195801Smav 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 572195801Smav goto error; 573195801Smav } 574195801Smav return; 575195801Smav 576195801Smaverror: 577195801Smav device_printf(dev, "WARNING - DMA initialization failed\n"); 578195801Smav siis_dmafini(dev); 579195801Smav} 580195801Smav 581195801Smavstatic void 582195801Smavsiis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 583195801Smav{ 584195801Smav struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 585195801Smav 586195801Smav if (!(dcba->error = error)) 587195801Smav dcba->maddr = segs[0].ds_addr; 588195801Smav} 589195801Smav 590195801Smavstatic void 591195801Smavsiis_dmafini(device_t dev) 592195801Smav{ 593195801Smav struct siis_channel *ch = device_get_softc(dev); 594195801Smav 595195801Smav if (ch->dma.data_tag) { 596195801Smav bus_dma_tag_destroy(ch->dma.data_tag); 597195801Smav ch->dma.data_tag = NULL; 598195801Smav } 599195801Smav if (ch->dma.work_bus) { 600195801Smav bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 601195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 602195801Smav ch->dma.work_bus = 0; 603195801Smav ch->dma.work_map = NULL; 604195801Smav ch->dma.work = NULL; 605195801Smav } 606195801Smav if (ch->dma.work_tag) { 607195801Smav bus_dma_tag_destroy(ch->dma.work_tag); 608195801Smav ch->dma.work_tag = NULL; 609195801Smav } 610195801Smav} 611195801Smav 612195801Smavstatic void 613195801Smavsiis_slotsalloc(device_t dev) 614195801Smav{ 615195801Smav struct siis_channel *ch = device_get_softc(dev); 616195801Smav int i; 617195801Smav 618195801Smav /* Alloc and setup command/dma slots */ 619195801Smav bzero(ch->slot, sizeof(ch->slot)); 620195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 621195801Smav struct siis_slot *slot = &ch->slot[i]; 622195801Smav 623195801Smav slot->dev = dev; 624195801Smav slot->slot = i; 625195801Smav slot->state = SIIS_SLOT_EMPTY; 626195801Smav slot->ccb = NULL; 627195801Smav callout_init_mtx(&slot->timeout, &ch->mtx, 0); 628195801Smav 629195801Smav if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 630195801Smav device_printf(ch->dev, "FAILURE - create data_map\n"); 631195801Smav } 632195801Smav} 633195801Smav 634195801Smavstatic void 635195801Smavsiis_slotsfree(device_t dev) 636195801Smav{ 637195801Smav struct siis_channel *ch = device_get_softc(dev); 638195801Smav int i; 639195801Smav 640195801Smav /* Free all dma slots */ 641195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 642195801Smav struct siis_slot *slot = &ch->slot[i]; 643195801Smav 644195801Smav if (slot->dma.data_map) { 645195801Smav bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 646195801Smav slot->dma.data_map = NULL; 647195801Smav } 648195801Smav } 649195801Smav} 650195801Smav 651195801Smavstatic void 652196655Smavsiis_notify_events(device_t dev) 653196655Smav{ 654196655Smav struct siis_channel *ch = device_get_softc(dev); 655196655Smav struct cam_path *dpath; 656196655Smav u_int32_t status; 657196655Smav int i; 658196655Smav 659196655Smav status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 660196655Smav ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 661196655Smav if (bootverbose) 662196655Smav device_printf(dev, "SNTF 0x%04x\n", status); 663196655Smav for (i = 0; i < 16; i++) { 664196655Smav if ((status & (1 << i)) == 0) 665196655Smav continue; 666196655Smav if (xpt_create_path(&dpath, NULL, 667196655Smav xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 668196655Smav xpt_async(AC_SCSI_AEN, dpath, NULL); 669196655Smav xpt_free_path(dpath); 670196655Smav } 671196655Smav } 672196655Smav 673196655Smav} 674196655Smav 675196655Smavstatic void 676195801Smavsiis_phy_check_events(device_t dev) 677195801Smav{ 678195801Smav struct siis_channel *ch = device_get_softc(dev); 679195801Smav 680195801Smav /* If we have a connection event, deal with it */ 681195801Smav if (ch->pm_level == 0) { 682195801Smav u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 683195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 684195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 685195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 686195801Smav if (bootverbose) 687195801Smav device_printf(dev, "CONNECT requested\n"); 688195801Smav siis_reset(dev); 689195801Smav } else { 690195801Smav if (bootverbose) 691195801Smav device_printf(dev, "DISCONNECT requested\n"); 692195801Smav ch->devices = 0; 693195801Smav } 694195801Smav } 695195801Smav} 696195801Smav 697195801Smavstatic void 698195801Smavsiis_ch_intr_locked(void *data) 699195801Smav{ 700195801Smav device_t dev = (device_t)data; 701195801Smav struct siis_channel *ch = device_get_softc(dev); 702195801Smav 703195801Smav mtx_lock(&ch->mtx); 704195801Smav siis_ch_intr(data); 705195801Smav mtx_unlock(&ch->mtx); 706195801Smav} 707195801Smav 708195801Smavstatic void 709195801Smavsiis_ch_intr(void *data) 710195801Smav{ 711195801Smav device_t dev = (device_t)data; 712195801Smav struct siis_channel *ch = device_get_softc(dev); 713195801Smav uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 714195801Smav enum siis_err_type et; 715195801Smav int i, ccs, port, tslots; 716195801Smav 717195801Smav mtx_assert(&ch->mtx, MA_OWNED); 718195801Smav /* Read command statuses. */ 719195801Smav sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 720195801Smav ok = ch->rslots & ~sstatus; 721195801Smav /* Complete all successfull commands. */ 722195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 723195801Smav if ((ok >> i) & 1) 724195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 725195801Smav } 726195801Smav /* Do we have any other events? */ 727195801Smav if ((sstatus & SIIS_P_SS_ATTN) == 0) 728195801Smav return; 729195801Smav /* Read and clear interrupt statuses. */ 730195801Smav istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 731195801Smav (0xFFFF & ~SIIS_P_IX_COMMCOMP); 732195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 733195801Smav /* Process PHY events */ 734195801Smav if (istatus & SIIS_P_IX_PHYRDYCHG) 735195801Smav siis_phy_check_events(dev); 736196655Smav /* Process NOTIFY events */ 737196655Smav if (istatus & SIIS_P_IX_SDBN) 738196655Smav siis_notify_events(dev); 739195801Smav /* Process command errors */ 740195801Smav if (istatus & SIIS_P_IX_COMMERR) { 741195801Smav estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 742195801Smav ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 743195801Smav ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 744195801Smav port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 745195801Smav err = ch->rslots & sstatus; 746195801Smav//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 747195801Smav// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 748195801Smav// ATA_INL(ch->r_mem, SIIS_P_SERR)); 749195801Smav 750195801Smav if (!ch->readlog && !ch->recovery) { 751195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 752195801Smav ch->recovery = 1; 753195801Smav } 754195801Smav if (ch->frozen) { 755195801Smav union ccb *fccb = ch->frozen; 756195801Smav ch->frozen = NULL; 757198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 758198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 759198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 760198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 761198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 762198321Smav } 763195801Smav xpt_done(fccb); 764195801Smav } 765195801Smav if (estatus == SIIS_P_CMDERR_DEV || 766195801Smav estatus == SIIS_P_CMDERR_SDB || 767195801Smav estatus == SIIS_P_CMDERR_DATAFIS) { 768195801Smav tslots = ch->numtslots[port]; 769195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 770198852Smav /* XXX: requests in loading state. */ 771195801Smav if (((ch->rslots >> i) & 1) == 0) 772195801Smav continue; 773195801Smav if (ch->slot[i].ccb->ccb_h.target_id != port) 774195801Smav continue; 775195801Smav if (tslots == 0) { 776195801Smav /* Untagged operation. */ 777195801Smav if (i == ccs) 778195801Smav et = SIIS_ERR_TFE; 779195801Smav else 780195801Smav et = SIIS_ERR_INNOCENT; 781195801Smav } else { 782195801Smav /* Tagged operation. */ 783195801Smav et = SIIS_ERR_NCQ; 784195801Smav } 785195801Smav siis_end_transaction(&ch->slot[i], et); 786195801Smav } 787195801Smav /* 788195801Smav * We can't reinit port if there are some other 789195801Smav * commands active, use resume to complete them. 790195801Smav */ 791195801Smav if (ch->rslots != 0) 792195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 793195801Smav } else { 794195801Smav if (estatus == SIIS_P_CMDERR_SENDFIS || 795195801Smav estatus == SIIS_P_CMDERR_INCSTATE || 796195801Smav estatus == SIIS_P_CMDERR_PPE || 797195801Smav estatus == SIIS_P_CMDERR_SERVICE) { 798195801Smav et = SIIS_ERR_SATA; 799195801Smav } else 800195801Smav et = SIIS_ERR_INVALID; 801195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 802198852Smav /* XXX: requests in loading state. */ 803195801Smav if (((ch->rslots >> i) & 1) == 0) 804195801Smav continue; 805195801Smav siis_end_transaction(&ch->slot[i], et); 806195801Smav } 807195801Smav } 808195801Smav } 809195801Smav} 810195801Smav 811195801Smav/* Must be called with channel locked. */ 812195801Smavstatic int 813195801Smavsiis_check_collision(device_t dev, union ccb *ccb) 814195801Smav{ 815195801Smav struct siis_channel *ch = device_get_softc(dev); 816195801Smav 817195801Smav mtx_assert(&ch->mtx, MA_OWNED); 818195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 819195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 820195801Smav /* Atomic command while anything active. */ 821195801Smav if (ch->numrslots != 0) 822195801Smav return (1); 823195801Smav } 824195801Smav /* We have some atomic command running. */ 825195801Smav if (ch->aslots != 0) 826195801Smav return (1); 827195801Smav return (0); 828195801Smav} 829195801Smav 830195801Smav/* Must be called with channel locked. */ 831195801Smavstatic void 832195801Smavsiis_begin_transaction(device_t dev, union ccb *ccb) 833195801Smav{ 834195801Smav struct siis_channel *ch = device_get_softc(dev); 835195801Smav struct siis_slot *slot; 836195801Smav int tag; 837195801Smav 838195801Smav mtx_assert(&ch->mtx, MA_OWNED); 839195801Smav /* Choose empty slot. */ 840195801Smav tag = ch->lastslot; 841195801Smav do { 842195801Smav tag++; 843195801Smav if (tag >= SIIS_MAX_SLOTS) 844195801Smav tag = 0; 845195801Smav if (ch->slot[tag].state == SIIS_SLOT_EMPTY) 846195801Smav break; 847195801Smav } while (tag != ch->lastslot); 848195801Smav if (ch->slot[tag].state != SIIS_SLOT_EMPTY) 849195801Smav device_printf(ch->dev, "ALL SLOTS BUSY!\n"); 850195801Smav ch->lastslot = tag; 851195801Smav /* Occupy chosen slot. */ 852195801Smav slot = &ch->slot[tag]; 853195801Smav slot->ccb = ccb; 854195801Smav /* Update channel stats. */ 855195801Smav ch->numrslots++; 856195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 857195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 858195801Smav ch->numtslots[ccb->ccb_h.target_id]++; 859195801Smav } 860195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 861195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 862195801Smav ch->aslots |= (1 << slot->slot); 863195801Smav slot->dma.nsegs = 0; 864195801Smav /* If request moves data, setup and load SG list */ 865195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 866195801Smav void *buf; 867195801Smav bus_size_t size; 868195801Smav 869195801Smav slot->state = SIIS_SLOT_LOADING; 870195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 871195801Smav buf = ccb->ataio.data_ptr; 872195801Smav size = ccb->ataio.dxfer_len; 873195801Smav } else { 874195801Smav buf = ccb->csio.data_ptr; 875195801Smav size = ccb->csio.dxfer_len; 876195801Smav } 877195801Smav bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 878195801Smav buf, size, siis_dmasetprd, slot, 0); 879195801Smav } else 880195801Smav siis_execute_transaction(slot); 881195801Smav} 882195801Smav 883195801Smav/* Locked by busdma engine. */ 884195801Smavstatic void 885195801Smavsiis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 886195801Smav{ 887195801Smav struct siis_slot *slot = arg; 888195801Smav struct siis_channel *ch = device_get_softc(slot->dev); 889195801Smav struct siis_cmd *ctp; 890195801Smav struct siis_dma_prd *prd; 891195801Smav int i; 892195801Smav 893195801Smav mtx_assert(&ch->mtx, MA_OWNED); 894195801Smav if (error) { 895195801Smav device_printf(slot->dev, "DMA load error\n"); 896195801Smav if (!ch->readlog) 897195801Smav xpt_freeze_simq(ch->sim, 1); 898195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 899195801Smav return; 900195801Smav } 901195801Smav KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 902195801Smav /* Get a piece of the workspace for this request */ 903195801Smav ctp = (struct siis_cmd *) 904195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 905195801Smav /* Fill S/G table */ 906195801Smav if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 907195801Smav prd = &ctp->u.ata.prd[0]; 908195801Smav else 909195801Smav prd = &ctp->u.atapi.prd[0]; 910195801Smav for (i = 0; i < nsegs; i++) { 911195801Smav prd[i].dba = htole64(segs[i].ds_addr); 912195801Smav prd[i].dbc = htole32(segs[i].ds_len); 913195801Smav prd[i].control = 0; 914195801Smav } 915195801Smav prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 916195801Smav slot->dma.nsegs = nsegs; 917195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 918195801Smav ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 919195801Smav BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 920195801Smav siis_execute_transaction(slot); 921195801Smav} 922195801Smav 923195801Smav/* Must be called with channel locked. */ 924195801Smavstatic void 925195801Smavsiis_execute_transaction(struct siis_slot *slot) 926195801Smav{ 927195801Smav device_t dev = slot->dev; 928195801Smav struct siis_channel *ch = device_get_softc(dev); 929195801Smav struct siis_cmd *ctp; 930195801Smav union ccb *ccb = slot->ccb; 931195801Smav u_int64_t prb_bus; 932195801Smav 933195801Smav mtx_assert(&ch->mtx, MA_OWNED); 934195801Smav /* Get a piece of the workspace for this request */ 935195801Smav ctp = (struct siis_cmd *) 936195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 937195801Smav ctp->control = 0; 938195801Smav ctp->protocol_override = 0; 939195801Smav ctp->transfer_count = 0; 940195801Smav /* Special handling for Soft Reset command. */ 941195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 942195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) { 943195801Smav ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 944195801Smav } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 945195801Smav if (ccb->ccb_h.flags & CAM_DIR_IN) 946195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_READ); 947195801Smav if (ccb->ccb_h.flags & CAM_DIR_OUT) 948195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 949195801Smav } 950195801Smav /* Setup the FIS for this request */ 951195801Smav if (!siis_setup_fis(ctp, ccb, slot->slot)) { 952195801Smav device_printf(ch->dev, "Setting up SATA FIS failed\n"); 953195801Smav if (!ch->readlog) 954195801Smav xpt_freeze_simq(ch->sim, 1); 955195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 956195801Smav return; 957195801Smav } 958195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 959195801Smav BUS_DMASYNC_PREWRITE); 960195801Smav /* Issue command to the controller. */ 961195801Smav slot->state = SIIS_SLOT_RUNNING; 962195801Smav ch->rslots |= (1 << slot->slot); 963195801Smav prb_bus = ch->dma.work_bus + 964195801Smav SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 965195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 966195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 967195801Smav /* Start command execution timeout */ 968195801Smav callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 969195801Smav (timeout_t*)siis_timeout, slot); 970195801Smav return; 971195801Smav} 972195801Smav 973198852Smav/* Must be called with channel locked. */ 974195801Smavstatic void 975198852Smavsiis_process_timeout(device_t dev) 976195801Smav{ 977195801Smav struct siis_channel *ch = device_get_softc(dev); 978195801Smav int i; 979195801Smav 980195801Smav mtx_assert(&ch->mtx, MA_OWNED); 981198852Smav if (!ch->readlog && !ch->recovery) { 982195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 983198852Smav ch->recovery = 1; 984195801Smav } 985197838Smav /* Handle the rest of commands. */ 986195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 987195801Smav /* Do we have a running request on slot? */ 988195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 989195801Smav continue; 990198852Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 991195801Smav } 992195801Smav} 993195801Smav 994198852Smav/* Locked by callout mechanism. */ 995198852Smavstatic void 996198852Smavsiis_timeout(struct siis_slot *slot) 997198852Smav{ 998198852Smav device_t dev = slot->dev; 999198852Smav struct siis_channel *ch = device_get_softc(dev); 1000198852Smav 1001198852Smav mtx_assert(&ch->mtx, MA_OWNED); 1002198852Smav device_printf(dev, "Timeout on slot %d\n", slot->slot); 1003198852Smavdevice_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1004198852Smav __func__, ATA_INL(ch->r_mem, SIIS_P_IS), ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1005198852Smav ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1006198852Smav ATA_INL(ch->r_mem, SIIS_P_SERR)); 1007198852Smav 1008198852Smav if (ch->toslots == 0) 1009198852Smav xpt_freeze_simq(ch->sim, 1); 1010198852Smav ch->toslots |= (1 << slot->slot); 1011198852Smav if ((ch->rslots & ~ch->toslots) == 0) 1012198852Smav siis_process_timeout(dev); 1013198852Smav else 1014198852Smav device_printf(dev, " ... waiting for slots %08x\n", 1015198852Smav ch->rslots & ~ch->toslots); 1016198852Smav} 1017198852Smav 1018195801Smav/* Must be called with channel locked. */ 1019195801Smavstatic void 1020195801Smavsiis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1021195801Smav{ 1022195801Smav device_t dev = slot->dev; 1023195801Smav struct siis_channel *ch = device_get_softc(dev); 1024195801Smav union ccb *ccb = slot->ccb; 1025195801Smav 1026195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1027195801Smav /* Cancel command execution timeout */ 1028195801Smav callout_stop(&slot->timeout); 1029195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1030195801Smav BUS_DMASYNC_POSTWRITE); 1031195801Smav /* Read result registers to the result struct 1032195801Smav * May be incorrect if several commands finished same time, 1033195801Smav * so read only when sure or have to. 1034195801Smav */ 1035195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1036195801Smav struct ata_res *res = &ccb->ataio.res; 1037195801Smav if ((et == SIIS_ERR_TFE) || 1038195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1039195801Smav int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1040195801Smav 1041195801Smav res->status = ATA_INB(ch->r_mem, offs + 2); 1042195801Smav res->error = ATA_INB(ch->r_mem, offs + 3); 1043195801Smav res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1044195801Smav res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1045195801Smav res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1046195801Smav res->device = ATA_INB(ch->r_mem, offs + 7); 1047195801Smav res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1048195801Smav res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1049195801Smav res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1050195801Smav res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1051195801Smav res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1052195801Smav } else 1053195801Smav bzero(res, sizeof(*res)); 1054195801Smav } 1055195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1056195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1057195801Smav (ccb->ccb_h.flags & CAM_DIR_IN) ? 1058195801Smav BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1059195801Smav bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1060195801Smav } 1061195801Smav /* Set proper result status. */ 1062195801Smav if (et != SIIS_ERR_NONE || ch->recovery) { 1063195801Smav ch->eslots |= (1 << slot->slot); 1064195801Smav ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1065195801Smav } 1066198321Smav /* In case of error, freeze device for proper recovery. */ 1067198321Smav if (et != SIIS_ERR_NONE && 1068198321Smav !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1069198321Smav xpt_freeze_devq(ccb->ccb_h.path, 1); 1070198321Smav ccb->ccb_h.status |= CAM_DEV_QFRZN; 1071198321Smav } 1072198321Smav ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1073195801Smav switch (et) { 1074195801Smav case SIIS_ERR_NONE: 1075195801Smav ccb->ccb_h.status |= CAM_REQ_CMP; 1076195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1077195801Smav ccb->csio.scsi_status = SCSI_STATUS_OK; 1078195801Smav break; 1079195801Smav case SIIS_ERR_INVALID: 1080198852Smav ch->fatalerr = 1; 1081195801Smav ccb->ccb_h.status |= CAM_REQ_INVALID; 1082195801Smav break; 1083195801Smav case SIIS_ERR_INNOCENT: 1084195801Smav ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1085195801Smav break; 1086195801Smav case SIIS_ERR_TFE: 1087198321Smav case SIIS_ERR_NCQ: 1088195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1089195801Smav ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1090195801Smav ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1091195801Smav } else { 1092195801Smav ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1093195801Smav } 1094195801Smav break; 1095195801Smav case SIIS_ERR_SATA: 1096198852Smav ch->fatalerr = 1; 1097195801Smav ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1098195801Smav break; 1099195801Smav case SIIS_ERR_TIMEOUT: 1100198852Smav ch->fatalerr = 1; 1101195801Smav ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1102195801Smav break; 1103195801Smav default: 1104195801Smav ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1105195801Smav } 1106195801Smav /* Free slot. */ 1107195801Smav ch->rslots &= ~(1 << slot->slot); 1108195801Smav ch->aslots &= ~(1 << slot->slot); 1109198852Smav if (et != SIIS_ERR_TIMEOUT) { 1110198852Smav if (ch->toslots == (1 << slot->slot)) 1111198852Smav xpt_release_simq(ch->sim, TRUE); 1112198852Smav ch->toslots &= ~(1 << slot->slot); 1113198852Smav } 1114195801Smav slot->state = SIIS_SLOT_EMPTY; 1115195801Smav slot->ccb = NULL; 1116195801Smav /* Update channel stats. */ 1117195801Smav ch->numrslots--; 1118195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1119195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1120195801Smav ch->numtslots[ccb->ccb_h.target_id]--; 1121195801Smav } 1122198852Smav /* If it was our READ LOG command - process it. */ 1123198852Smav if (ch->readlog) { 1124198852Smav siis_process_read_log(dev, ccb); 1125195801Smav /* If it was NCQ command error, put result on hold. */ 1126198852Smav } else if (et == SIIS_ERR_NCQ) { 1127195801Smav ch->hold[slot->slot] = ccb; 1128195801Smav ch->numhslots++; 1129198852Smav } else 1130195801Smav xpt_done(ccb); 1131195801Smav /* Unfreeze frozen command. */ 1132195801Smav if (ch->frozen && ch->numrslots == 0) { 1133195801Smav union ccb *fccb = ch->frozen; 1134195801Smav ch->frozen = NULL; 1135195801Smav siis_begin_transaction(dev, fccb); 1136195801Smav xpt_release_simq(ch->sim, TRUE); 1137195801Smav } 1138195801Smav /* If we have no other active commands, ... */ 1139195801Smav if (ch->rslots == 0) { 1140198852Smav /* if there were timeouts or fatal error - reset port. */ 1141198852Smav if (ch->toslots != 0 || ch->fatalerr) { 1142198852Smav siis_reset(dev); 1143198852Smav } else { 1144198852Smav /* if we have slots in error, we can reinit port. */ 1145198852Smav if (ch->eslots != 0) 1146198852Smav siis_portinit(dev); 1147198852Smav /* if there commands on hold, we can do READ LOG. */ 1148198852Smav if (!ch->readlog && ch->numhslots) 1149198852Smav siis_issue_read_log(dev); 1150198852Smav } 1151198852Smav /* If all the reset of commands are in timeout - abort them. */ 1152198852Smav } else if ((ch->rslots & ~ch->toslots) == 0) 1153198852Smav siis_process_timeout(dev); 1154195801Smav} 1155195801Smav 1156195801Smavstatic void 1157195801Smavsiis_issue_read_log(device_t dev) 1158195801Smav{ 1159195801Smav struct siis_channel *ch = device_get_softc(dev); 1160195801Smav union ccb *ccb; 1161195801Smav struct ccb_ataio *ataio; 1162195801Smav int i; 1163195801Smav 1164195801Smav /* Find some holden command. */ 1165195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1166195801Smav if (ch->hold[i]) 1167195801Smav break; 1168195801Smav } 1169195801Smav if (i == SIIS_MAX_SLOTS) 1170195801Smav return; 1171195801Smav ch->readlog = 1; 1172195801Smav ccb = xpt_alloc_ccb_nowait(); 1173195801Smav if (ccb == NULL) { 1174195801Smav device_printf(dev, "Unable allocate READ LOG command"); 1175195801Smav return; /* XXX */ 1176195801Smav } 1177195801Smav ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1178195801Smav ccb->ccb_h.func_code = XPT_ATA_IO; 1179195801Smav ccb->ccb_h.flags = CAM_DIR_IN; 1180195801Smav ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1181195801Smav ataio = &ccb->ataio; 1182195801Smav ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1183195801Smav if (ataio->data_ptr == NULL) { 1184195801Smav device_printf(dev, "Unable allocate memory for READ LOG command"); 1185195801Smav return; /* XXX */ 1186195801Smav } 1187195801Smav ataio->dxfer_len = 512; 1188195801Smav bzero(&ataio->cmd, sizeof(ataio->cmd)); 1189195801Smav ataio->cmd.flags = CAM_ATAIO_48BIT; 1190195801Smav ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1191195801Smav ataio->cmd.sector_count = 1; 1192195801Smav ataio->cmd.sector_count_exp = 0; 1193195801Smav ataio->cmd.lba_low = 0x10; 1194195801Smav ataio->cmd.lba_mid = 0; 1195195801Smav ataio->cmd.lba_mid_exp = 0; 1196195801Smav siis_begin_transaction(dev, ccb); 1197195801Smav} 1198195801Smav 1199195801Smavstatic void 1200195801Smavsiis_process_read_log(device_t dev, union ccb *ccb) 1201195801Smav{ 1202195801Smav struct siis_channel *ch = device_get_softc(dev); 1203195801Smav uint8_t *data; 1204195801Smav struct ata_res *res; 1205195801Smav int i; 1206195801Smav 1207195801Smav ch->readlog = 0; 1208195801Smav data = ccb->ataio.data_ptr; 1209195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1210195801Smav (data[0] & 0x80) == 0) { 1211195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1212195801Smav if (!ch->hold[i]) 1213195801Smav continue; 1214195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1215195801Smav continue; 1216195801Smav if ((data[0] & 0x1F) == i) { 1217195801Smav res = &ch->hold[i]->ataio.res; 1218195801Smav res->status = data[2]; 1219195801Smav res->error = data[3]; 1220195801Smav res->lba_low = data[4]; 1221195801Smav res->lba_mid = data[5]; 1222195801Smav res->lba_high = data[6]; 1223195801Smav res->device = data[7]; 1224195801Smav res->lba_low_exp = data[8]; 1225195801Smav res->lba_mid_exp = data[9]; 1226195801Smav res->lba_high_exp = data[10]; 1227195801Smav res->sector_count = data[12]; 1228195801Smav res->sector_count_exp = data[13]; 1229195801Smav } else { 1230195801Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1231195801Smav ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1232195801Smav } 1233195801Smav xpt_done(ch->hold[i]); 1234195801Smav ch->hold[i] = NULL; 1235195801Smav ch->numhslots--; 1236195801Smav } 1237195801Smav } else { 1238195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1239195801Smav device_printf(dev, "Error while READ LOG EXT\n"); 1240195801Smav else if ((data[0] & 0x80) == 0) { 1241195801Smav device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1242195801Smav } 1243195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1244195801Smav if (!ch->hold[i]) 1245195801Smav continue; 1246195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1247195801Smav continue; 1248195801Smav xpt_done(ch->hold[i]); 1249195801Smav ch->hold[i] = NULL; 1250195801Smav ch->numhslots--; 1251195801Smav } 1252195801Smav } 1253195801Smav free(ccb->ataio.data_ptr, M_SIIS); 1254195801Smav xpt_free_ccb(ccb); 1255195801Smav} 1256195801Smav 1257195801Smavstatic void 1258195801Smavsiis_portinit(device_t dev) 1259195801Smav{ 1260195801Smav struct siis_channel *ch = device_get_softc(dev); 1261195801Smav int i; 1262195801Smav 1263195801Smav ch->eslots = 0; 1264195801Smav ch->recovery = 0; 1265195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1266195801Smav for (i = 0; i < 16; i++) { 1267195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1268195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1269195801Smav } 1270195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1271195801Smav siis_wait_ready(dev, 1000); 1272195801Smav} 1273195801Smav 1274198426Smavstatic int 1275195801Smavsiis_devreset(device_t dev) 1276195801Smav{ 1277195801Smav struct siis_channel *ch = device_get_softc(dev); 1278198426Smav int timeout = 0; 1279198426Smav uint32_t val; 1280195801Smav 1281195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1282198426Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1283198426Smav SIIS_P_CTL_DEV_RESET) != 0) { 1284198426Smav DELAY(1000); 1285198426Smav if (timeout++ > 100) { 1286198426Smav device_printf(dev, "device reset stuck (timeout %dms) " 1287198426Smav "status = %08x\n", timeout, val); 1288198426Smav return (EBUSY); 1289198426Smav } 1290198426Smav } 1291198426Smav if (bootverbose) 1292198426Smav device_printf(dev, "device reset time=%dms\n", timeout); 1293198426Smav return (0); 1294195801Smav} 1295195801Smav 1296195801Smavstatic int 1297195801Smavsiis_wait_ready(device_t dev, int t) 1298195801Smav{ 1299195801Smav struct siis_channel *ch = device_get_softc(dev); 1300195801Smav int timeout = 0; 1301195801Smav uint32_t val; 1302195801Smav 1303195801Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1304195801Smav SIIS_P_CTL_READY) == 0) { 1305195801Smav DELAY(1000); 1306195801Smav if (timeout++ > t) { 1307195801Smav device_printf(dev, "port is not ready (timeout %dms) " 1308195801Smav "status = %08x\n", t, val); 1309195801Smav return (EBUSY); 1310195801Smav } 1311195801Smav } 1312195801Smav if (bootverbose) 1313195801Smav device_printf(dev, "ready wait time=%dms\n", timeout); 1314195801Smav return (0); 1315195801Smav} 1316195801Smav 1317195801Smavstatic void 1318195801Smavsiis_reset(device_t dev) 1319195801Smav{ 1320195801Smav struct siis_channel *ch = device_get_softc(dev); 1321198852Smav int i, retry = 0; 1322198426Smav uint32_t val; 1323195801Smav 1324195801Smav if (bootverbose) 1325195801Smav device_printf(dev, "SIIS reset...\n"); 1326198852Smav if (!ch->readlog && !ch->recovery) 1327198852Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1328198852Smav /* Requeue frozen command. */ 1329195801Smav if (ch->frozen) { 1330195801Smav union ccb *fccb = ch->frozen; 1331195801Smav ch->frozen = NULL; 1332198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1333198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1334198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1335198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 1336198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 1337198321Smav } 1338195801Smav xpt_done(fccb); 1339195801Smav } 1340198426Smav /* Requeue all running commands. */ 1341195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1342195801Smav /* Do we have a running request on slot? */ 1343195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1344195801Smav continue; 1345195801Smav /* XXX; Commands in loading state. */ 1346195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1347195801Smav } 1348198852Smav /* Finish all holden commands as-is. */ 1349198852Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1350198852Smav if (!ch->hold[i]) 1351198852Smav continue; 1352198852Smav xpt_done(ch->hold[i]); 1353198852Smav ch->hold[i] = NULL; 1354198852Smav ch->numhslots--; 1355198852Smav } 1356198852Smav if (ch->toslots != 0) 1357198852Smav xpt_release_simq(ch->sim, TRUE); 1358198852Smav ch->eslots = 0; 1359198852Smav ch->recovery = 0; 1360198852Smav ch->toslots = 0; 1361198852Smav ch->fatalerr = 0; 1362198426Smav /* Disable port interrupts */ 1363198426Smav ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1364198426Smav /* Set speed limit. */ 1365198426Smav if (ch->sata_rev == 1) 1366198426Smav val = ATA_SC_SPD_SPEED_GEN1; 1367198426Smav else if (ch->sata_rev == 2) 1368198426Smav val = ATA_SC_SPD_SPEED_GEN2; 1369198426Smav else if (ch->sata_rev == 3) 1370198426Smav val = ATA_SC_SPD_SPEED_GEN3; 1371198426Smav else 1372198426Smav val = 0; 1373198426Smav ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1374198426Smav ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1375198426Smav (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1376198852Smavretry: 1377198426Smav siis_devreset(dev); 1378195801Smav /* Reset and reconnect PHY, */ 1379198426Smav if (!siis_sata_connect(ch)) { 1380195801Smav ch->devices = 0; 1381195801Smav /* Enable port interrupts */ 1382195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1383195801Smav if (bootverbose) 1384195801Smav device_printf(dev, 1385195801Smav "SIIS reset done: phy reset found no device\n"); 1386195801Smav /* Tell the XPT about the event */ 1387195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1388195801Smav return; 1389195801Smav } 1390195801Smav /* Wait for clearing busy status. */ 1391198852Smav if (siis_wait_ready(dev, 10000)) { 1392195801Smav device_printf(dev, "device ready timeout\n"); 1393198852Smav if (!retry) { 1394198852Smav device_printf(dev, "trying full port reset ...\n"); 1395198852Smav /* Get port to the reset state. */ 1396198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1397198852Smav DELAY(10000); 1398198852Smav /* Get port out of reset state. */ 1399198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1400198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1401198852Smav if (ch->pm_present) 1402198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1403198852Smav else 1404198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1405198852Smav siis_wait_ready(dev, 5000); 1406198852Smav retry = 1; 1407198852Smav goto retry; 1408198852Smav } 1409198852Smav } 1410195801Smav ch->devices = 1; 1411195801Smav /* Enable port interrupts */ 1412195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1413195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1414195801Smav if (bootverbose) 1415195801Smav device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1416195801Smav /* Tell the XPT about the event */ 1417195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1418195801Smav} 1419195801Smav 1420195801Smavstatic int 1421195801Smavsiis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag) 1422195801Smav{ 1423195801Smav u_int8_t *fis = &ctp->fis[0]; 1424195801Smav 1425195801Smav bzero(fis, 24); 1426195801Smav fis[0] = 0x27; /* host to device */ 1427195801Smav fis[1] = (ccb->ccb_h.target_id & 0x0f); 1428195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1429195801Smav fis[1] |= 0x80; 1430195801Smav fis[2] = ATA_PACKET_CMD; 1431195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 1432195801Smav fis[3] = ATA_F_DMA; 1433195801Smav else { 1434195801Smav fis[5] = ccb->csio.dxfer_len; 1435195801Smav fis[6] = ccb->csio.dxfer_len >> 8; 1436195801Smav } 1437195801Smav fis[7] = ATA_D_LBA; 1438195801Smav fis[15] = ATA_A_4BIT; 1439195801Smav bzero(ctp->u.atapi.ccb, 16); 1440195801Smav bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1441195801Smav ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1442195801Smav ctp->u.atapi.ccb, ccb->csio.cdb_len); 1443195801Smav } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1444195801Smav fis[1] |= 0x80; 1445195801Smav fis[2] = ccb->ataio.cmd.command; 1446195801Smav fis[3] = ccb->ataio.cmd.features; 1447195801Smav fis[4] = ccb->ataio.cmd.lba_low; 1448195801Smav fis[5] = ccb->ataio.cmd.lba_mid; 1449195801Smav fis[6] = ccb->ataio.cmd.lba_high; 1450195801Smav fis[7] = ccb->ataio.cmd.device; 1451195801Smav fis[8] = ccb->ataio.cmd.lba_low_exp; 1452195801Smav fis[9] = ccb->ataio.cmd.lba_mid_exp; 1453195801Smav fis[10] = ccb->ataio.cmd.lba_high_exp; 1454195801Smav fis[11] = ccb->ataio.cmd.features_exp; 1455195801Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1456195801Smav fis[12] = tag << 3; 1457195801Smav fis[13] = 0; 1458195801Smav } else { 1459195801Smav fis[12] = ccb->ataio.cmd.sector_count; 1460195801Smav fis[13] = ccb->ataio.cmd.sector_count_exp; 1461195801Smav } 1462195801Smav fis[15] = ATA_A_4BIT; 1463195801Smav } else { 1464195801Smav /* Soft reset. */ 1465195801Smav } 1466195801Smav return (20); 1467195801Smav} 1468195801Smav 1469195801Smavstatic int 1470195801Smavsiis_sata_connect(struct siis_channel *ch) 1471195801Smav{ 1472195801Smav u_int32_t status; 1473195801Smav int timeout; 1474195801Smav 1475195801Smav /* Wait up to 100ms for "connect well" */ 1476195801Smav for (timeout = 0; timeout < 100 ; timeout++) { 1477195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1478195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1479195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1480195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1481195801Smav break; 1482195801Smav DELAY(1000); 1483195801Smav } 1484195801Smav if (timeout >= 100) { 1485195801Smav if (bootverbose) { 1486195801Smav device_printf(ch->dev, "SATA connect timeout status=%08x\n", 1487195801Smav status); 1488195801Smav } 1489195801Smav return (0); 1490195801Smav } 1491195801Smav if (bootverbose) { 1492195801Smav device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 1493195801Smav timeout, status); 1494195801Smav } 1495195801Smav /* Clear SATA error register */ 1496195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1497195801Smav return (1); 1498195801Smav} 1499195801Smav 1500195801Smavstatic void 1501195801Smavsiisaction(struct cam_sim *sim, union ccb *ccb) 1502195801Smav{ 1503195801Smav device_t dev; 1504195801Smav struct siis_channel *ch; 1505195801Smav 1506195801Smav CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1507195801Smav ccb->ccb_h.func_code)); 1508195801Smav 1509195801Smav ch = (struct siis_channel *)cam_sim_softc(sim); 1510195801Smav dev = ch->dev; 1511195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1512195801Smav switch (ccb->ccb_h.func_code) { 1513195801Smav /* Common cases first */ 1514195801Smav case XPT_ATA_IO: /* Execute the requested I/O operation */ 1515195801Smav case XPT_SCSI_IO: 1516195801Smav if (ch->devices == 0) { 1517195801Smav ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1518195801Smav xpt_done(ccb); 1519195801Smav break; 1520195801Smav } 1521195801Smav /* Check for command collision. */ 1522195801Smav if (siis_check_collision(dev, ccb)) { 1523195801Smav /* Freeze command. */ 1524195801Smav ch->frozen = ccb; 1525195801Smav /* We have only one frozen slot, so freeze simq also. */ 1526195801Smav xpt_freeze_simq(ch->sim, 1); 1527195801Smav return; 1528195801Smav } 1529195801Smav siis_begin_transaction(dev, ccb); 1530195801Smav break; 1531195801Smav case XPT_EN_LUN: /* Enable LUN as a target */ 1532195801Smav case XPT_TARGET_IO: /* Execute target I/O request */ 1533195801Smav case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1534195801Smav case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1535195801Smav case XPT_ABORT: /* Abort the specified CCB */ 1536195801Smav /* XXX Implement */ 1537195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1538195801Smav xpt_done(ccb); 1539195801Smav break; 1540195801Smav case XPT_SET_TRAN_SETTINGS: 1541195801Smav { 1542195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1543195801Smav 1544195801Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1545198852Smav ch->pm_present = cts->xport_specific.sata.pm_present; 1546198852Smav if (ch->pm_present) 1547195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1548195801Smav else 1549195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1550195801Smav } 1551195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1552195801Smav xpt_done(ccb); 1553195801Smav break; 1554195801Smav } 1555195801Smav case XPT_GET_TRAN_SETTINGS: 1556195801Smav /* Get default/user set transfer settings for the target */ 1557195801Smav { 1558195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1559195801Smav uint32_t status; 1560195801Smav 1561195801Smav cts->protocol = PROTO_ATA; 1562196655Smav cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1563195801Smav cts->transport = XPORT_SATA; 1564196655Smav cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1565195801Smav cts->proto_specific.valid = 0; 1566195801Smav cts->xport_specific.sata.valid = 0; 1567195801Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1568195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1569195801Smav else 1570195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SCTL) & ATA_SC_SPD_MASK; 1571195801Smav if (status & ATA_SS_SPD_GEN3) { 1572195801Smav cts->xport_specific.sata.bitrate = 600000; 1573195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1574195801Smav } else if (status & ATA_SS_SPD_GEN2) { 1575195801Smav cts->xport_specific.sata.bitrate = 300000; 1576195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1577195801Smav } else if (status & ATA_SS_SPD_GEN1) { 1578195801Smav cts->xport_specific.sata.bitrate = 150000; 1579195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED; 1580195801Smav } 1581198852Smav cts->xport_specific.sata.pm_present = ch->pm_present; 1582195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1583195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1584195801Smav xpt_done(ccb); 1585195801Smav break; 1586195801Smav } 1587195801Smav#if 0 1588195801Smav case XPT_CALC_GEOMETRY: 1589195801Smav { 1590195801Smav struct ccb_calc_geometry *ccg; 1591195801Smav uint32_t size_mb; 1592195801Smav uint32_t secs_per_cylinder; 1593195801Smav 1594195801Smav ccg = &ccb->ccg; 1595195801Smav size_mb = ccg->volume_size 1596195801Smav / ((1024L * 1024L) / ccg->block_size); 1597195801Smav if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1598195801Smav if (size_mb >= 2048) { 1599195801Smav ccg->heads = 255; 1600195801Smav ccg->secs_per_track = 63; 1601195801Smav } else { 1602195801Smav ccg->heads = 128; 1603195801Smav ccg->secs_per_track = 32; 1604195801Smav } 1605195801Smav } else { 1606195801Smav ccg->heads = 64; 1607195801Smav ccg->secs_per_track = 32; 1608195801Smav } 1609195801Smav secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1610195801Smav ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1611195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1612195801Smav xpt_done(ccb); 1613195801Smav break; 1614195801Smav } 1615195801Smav#endif 1616195801Smav case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1617195801Smav case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1618195801Smav siis_reset(dev); 1619195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1620195801Smav xpt_done(ccb); 1621195801Smav break; 1622195801Smav case XPT_TERM_IO: /* Terminate the I/O process */ 1623195801Smav /* XXX Implement */ 1624195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1625195801Smav xpt_done(ccb); 1626195801Smav break; 1627195801Smav case XPT_PATH_INQ: /* Path routing inquiry */ 1628195801Smav { 1629195801Smav struct ccb_pathinq *cpi = &ccb->cpi; 1630195801Smav 1631195801Smav cpi->version_num = 1; /* XXX??? */ 1632195801Smav cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1633195801Smav cpi->hba_inquiry |= PI_SATAPM; 1634195801Smav cpi->target_sprt = 0; 1635195801Smav cpi->hba_misc = PIM_SEQSCAN; 1636195801Smav cpi->hba_eng_cnt = 0; 1637198322Smav cpi->max_target = 15; 1638195801Smav cpi->max_lun = 0; 1639195801Smav cpi->initiator_id = 0; 1640195801Smav cpi->bus_id = cam_sim_bus(sim); 1641195801Smav cpi->base_transfer_speed = 150000; 1642195801Smav strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1643195801Smav strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1644195801Smav strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1645195801Smav cpi->unit_number = cam_sim_unit(sim); 1646195801Smav cpi->transport = XPORT_SATA; 1647196655Smav cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1648195801Smav cpi->protocol = PROTO_ATA; 1649196655Smav cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1650195801Smav cpi->ccb_h.status = CAM_REQ_CMP; 1651195801Smav cpi->maxio = MAXPHYS; 1652195801Smav xpt_done(ccb); 1653195801Smav break; 1654195801Smav } 1655195801Smav default: 1656195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1657195801Smav xpt_done(ccb); 1658195801Smav break; 1659195801Smav } 1660195801Smav} 1661195801Smav 1662195801Smavstatic void 1663195801Smavsiispoll(struct cam_sim *sim) 1664195801Smav{ 1665195801Smav struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1666195801Smav 1667195801Smav siis_ch_intr(ch->dev); 1668195801Smav} 1669