siis.c revision 201222
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 201222 2009-12-29 21:49:11Z 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); 72199821Smavstatic int siis_setup_fis(device_t dev, 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 92199132Smavstatic struct { 93199132Smav uint32_t id; 94199132Smav const char *name; 95199132Smav int ports; 96200217Smav int quirks; 97200217Smav#define SIIS_Q_SNTF 1 98199132Smav} siis_ids[] = { 99200217Smav {0x31241095, "SiI3124", 4, 0}, 100200217Smav {0x31248086, "SiI3124", 4, 0}, 101200217Smav {0x31321095, "SiI3132", 2, SIIS_Q_SNTF}, 102200217Smav {0x02421095, "SiI3132", 2, SIIS_Q_SNTF}, 103200217Smav {0x02441095, "SiI3132", 2, SIIS_Q_SNTF}, 104200217Smav {0x31311095, "SiI3131", 1, SIIS_Q_SNTF}, 105200217Smav {0x35311095, "SiI3531", 1, SIIS_Q_SNTF}, 106200217Smav {0, NULL, 0, 0} 107199132Smav}; 108199132Smav 109195801Smavstatic int 110195801Smavsiis_probe(device_t dev) 111195801Smav{ 112199132Smav char buf[64]; 113199132Smav int i; 114195801Smav uint32_t devid = pci_get_devid(dev); 115195801Smav 116199132Smav for (i = 0; siis_ids[i].id != 0; i++) { 117199132Smav if (siis_ids[i].id == devid) { 118200217Smav snprintf(buf, sizeof(buf), "%s SATA controller", 119199132Smav siis_ids[i].name); 120199132Smav device_set_desc_copy(dev, buf); 121199132Smav return (BUS_PROBE_VENDOR); 122199132Smav } 123195801Smav } 124199132Smav return (ENXIO); 125195801Smav} 126195801Smav 127195801Smavstatic int 128195801Smavsiis_attach(device_t dev) 129195801Smav{ 130195801Smav struct siis_controller *ctlr = device_get_softc(dev); 131195801Smav uint32_t devid = pci_get_devid(dev); 132195801Smav device_t child; 133199132Smav int error, i, unit; 134195801Smav 135200217Smav ctlr->dev = dev; 136199132Smav for (i = 0; siis_ids[i].id != 0; i++) { 137199132Smav if (siis_ids[i].id == devid) 138199132Smav break; 139199132Smav } 140200217Smav ctlr->quirks = siis_ids[i].quirks; 141195801Smav /* Global memory */ 142195801Smav ctlr->r_grid = PCIR_BAR(0); 143195801Smav if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 144195801Smav &ctlr->r_grid, RF_ACTIVE))) 145195801Smav return (ENXIO); 146200223Smav ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL); 147195801Smav /* Channels memory */ 148195801Smav ctlr->r_rid = PCIR_BAR(2); 149195801Smav if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 150195801Smav &ctlr->r_rid, RF_ACTIVE))) 151195801Smav return (ENXIO); 152195801Smav /* Setup our own memory management for channels. */ 153195801Smav ctlr->sc_iomem.rm_type = RMAN_ARRAY; 154195801Smav ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 155195801Smav if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 156195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 157195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 158195801Smav return (error); 159195801Smav } 160195801Smav if ((error = rman_manage_region(&ctlr->sc_iomem, 161195801Smav rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 162195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 163195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 164195801Smav rman_fini(&ctlr->sc_iomem); 165195801Smav return (error); 166195801Smav } 167195801Smav /* Reset controller */ 168195801Smav siis_resume(dev); 169195801Smav /* Number of HW channels */ 170199132Smav ctlr->channels = siis_ids[i].ports; 171195801Smav /* Setup interrupts. */ 172195801Smav if (siis_setup_interrupt(dev)) { 173195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 174195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 175195801Smav rman_fini(&ctlr->sc_iomem); 176195801Smav return ENXIO; 177195801Smav } 178195801Smav /* Attach all channels on this controller */ 179195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 180195801Smav child = device_add_child(dev, "siisch", -1); 181195801Smav if (child == NULL) 182195801Smav device_printf(dev, "failed to add channel device\n"); 183195801Smav else 184195801Smav device_set_ivars(child, (void *)(intptr_t)unit); 185195801Smav } 186195801Smav bus_generic_attach(dev); 187195801Smav return 0; 188195801Smav} 189195801Smav 190195801Smavstatic int 191195801Smavsiis_detach(device_t dev) 192195801Smav{ 193195801Smav struct siis_controller *ctlr = device_get_softc(dev); 194195801Smav device_t *children; 195195801Smav int nchildren, i; 196195801Smav 197195801Smav /* Detach & delete all children */ 198195801Smav if (!device_get_children(dev, &children, &nchildren)) { 199195801Smav for (i = 0; i < nchildren; i++) 200195801Smav device_delete_child(dev, children[i]); 201195801Smav free(children, M_TEMP); 202195801Smav } 203195801Smav /* Free interrupts. */ 204195801Smav if (ctlr->irq.r_irq) { 205195801Smav bus_teardown_intr(dev, ctlr->irq.r_irq, 206195801Smav ctlr->irq.handle); 207195801Smav bus_release_resource(dev, SYS_RES_IRQ, 208195801Smav ctlr->irq.r_irq_rid, ctlr->irq.r_irq); 209195801Smav } 210195801Smav pci_release_msi(dev); 211195801Smav /* Free memory. */ 212195801Smav rman_fini(&ctlr->sc_iomem); 213195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 214195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem); 215195801Smav return (0); 216195801Smav} 217195801Smav 218195801Smavstatic int 219195801Smavsiis_suspend(device_t dev) 220195801Smav{ 221195801Smav struct siis_controller *ctlr = device_get_softc(dev); 222195801Smav 223195801Smav bus_generic_suspend(dev); 224195801Smav /* Put controller into reset state. */ 225200223Smav ctlr->gctl |= SIIS_GCTL_GRESET; 226200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 227195801Smav return 0; 228195801Smav} 229195801Smav 230195801Smavstatic int 231195801Smavsiis_resume(device_t dev) 232195801Smav{ 233195801Smav struct siis_controller *ctlr = device_get_softc(dev); 234200291Smav int cap; 235200291Smav uint16_t val; 236195801Smav 237200291Smav /* Set PCIe max read request size to at least 1024 bytes */ 238200291Smav if (pci_find_extcap(dev, PCIY_EXPRESS, &cap) == 0) { 239200291Smav val = pci_read_config(dev, 240200291Smav cap + PCIR_EXPRESS_DEVICE_CTL, 2); 241200291Smav if ((val & PCIM_EXP_CTL_MAX_READ_REQUEST) < 0x3000) { 242200291Smav val &= ~PCIM_EXP_CTL_MAX_READ_REQUEST; 243200291Smav val |= 0x3000; 244200291Smav pci_write_config(dev, 245200291Smav cap + PCIR_EXPRESS_DEVICE_CTL, val, 2); 246200291Smav } 247200291Smav } 248195801Smav /* Put controller into reset state. */ 249200223Smav ctlr->gctl |= SIIS_GCTL_GRESET; 250200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 251195801Smav DELAY(10000); 252195801Smav /* Get controller out of reset state and enable port interrupts. */ 253200223Smav ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE); 254200223Smav ctlr->gctl |= 0x0000000f; 255200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl); 256195801Smav return (bus_generic_resume(dev)); 257195801Smav} 258195801Smav 259195801Smavstatic int 260195801Smavsiis_setup_interrupt(device_t dev) 261195801Smav{ 262195801Smav struct siis_controller *ctlr = device_get_softc(dev); 263195801Smav int msi = 0; 264195801Smav 265195801Smav /* Process hints. */ 266195801Smav resource_int_value(device_get_name(dev), 267195801Smav device_get_unit(dev), "msi", &msi); 268195801Smav if (msi < 0) 269195801Smav msi = 0; 270195801Smav else if (msi > 0) 271195801Smav msi = min(1, pci_msi_count(dev)); 272195801Smav /* Allocate MSI if needed/present. */ 273195801Smav if (msi && pci_alloc_msi(dev, &msi) != 0) 274195801Smav msi = 0; 275195801Smav /* Allocate all IRQs. */ 276195801Smav ctlr->irq.r_irq_rid = msi ? 1 : 0; 277195801Smav if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 278195801Smav &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 279195801Smav device_printf(dev, "unable to map interrupt\n"); 280195801Smav return ENXIO; 281195801Smav } 282195801Smav if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL, 283195801Smav siis_intr, ctlr, &ctlr->irq.handle))) { 284195801Smav /* SOS XXX release r_irq */ 285195801Smav device_printf(dev, "unable to setup interrupt\n"); 286195801Smav return ENXIO; 287195801Smav } 288195801Smav return (0); 289195801Smav} 290195801Smav 291195801Smav/* 292195801Smav * Common case interrupt handler. 293195801Smav */ 294195801Smavstatic void 295195801Smavsiis_intr(void *data) 296195801Smav{ 297195801Smav struct siis_controller *ctlr = (struct siis_controller *)data; 298195801Smav u_int32_t is; 299195801Smav void *arg; 300195801Smav int unit; 301195801Smav 302195801Smav is = ATA_INL(ctlr->r_gmem, SIIS_IS); 303195801Smav for (unit = 0; unit < ctlr->channels; unit++) { 304195801Smav if ((is & SIIS_IS_PORT(unit)) != 0 && 305195801Smav (arg = ctlr->interrupt[unit].argument)) { 306195801Smav ctlr->interrupt[unit].function(arg); 307195801Smav } 308195801Smav } 309200223Smav /* Acknowledge interrupt, if MSI enabled. */ 310200223Smav if (ctlr->irq.r_irq_rid) { 311200223Smav ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 312200223Smav ctlr->gctl | SIIS_GCTL_MSIACK); 313200223Smav } 314195801Smav} 315195801Smav 316195801Smavstatic struct resource * 317195801Smavsiis_alloc_resource(device_t dev, device_t child, int type, int *rid, 318195801Smav u_long start, u_long end, u_long count, u_int flags) 319195801Smav{ 320195801Smav struct siis_controller *ctlr = device_get_softc(dev); 321195801Smav int unit = ((struct siis_channel *)device_get_softc(child))->unit; 322195801Smav struct resource *res = NULL; 323195801Smav int offset = unit << 13; 324195801Smav long st; 325195801Smav 326195801Smav switch (type) { 327195801Smav case SYS_RES_MEMORY: 328195801Smav st = rman_get_start(ctlr->r_mem); 329195801Smav res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 330195801Smav st + offset + 0x2000, 0x2000, RF_ACTIVE, child); 331195801Smav if (res) { 332195801Smav bus_space_handle_t bsh; 333195801Smav bus_space_tag_t bst; 334195801Smav bsh = rman_get_bushandle(ctlr->r_mem); 335195801Smav bst = rman_get_bustag(ctlr->r_mem); 336195801Smav bus_space_subregion(bst, bsh, offset, 0x2000, &bsh); 337195801Smav rman_set_bushandle(res, bsh); 338195801Smav rman_set_bustag(res, bst); 339195801Smav } 340195801Smav break; 341195801Smav case SYS_RES_IRQ: 342195801Smav if (*rid == ATA_IRQ_RID) 343195801Smav res = ctlr->irq.r_irq; 344195801Smav break; 345195801Smav } 346195801Smav return (res); 347195801Smav} 348195801Smav 349195801Smavstatic int 350195801Smavsiis_release_resource(device_t dev, device_t child, int type, int rid, 351195801Smav struct resource *r) 352195801Smav{ 353195801Smav 354195801Smav switch (type) { 355195801Smav case SYS_RES_MEMORY: 356195801Smav rman_release_resource(r); 357195801Smav return (0); 358195801Smav case SYS_RES_IRQ: 359195801Smav if (rid != ATA_IRQ_RID) 360195801Smav return ENOENT; 361195801Smav return (0); 362195801Smav } 363195801Smav return (EINVAL); 364195801Smav} 365195801Smav 366195801Smavstatic int 367195801Smavsiis_setup_intr(device_t dev, device_t child, struct resource *irq, 368195801Smav int flags, driver_filter_t *filter, driver_intr_t *function, 369195801Smav void *argument, void **cookiep) 370195801Smav{ 371195801Smav struct siis_controller *ctlr = device_get_softc(dev); 372195801Smav int unit = (intptr_t)device_get_ivars(child); 373195801Smav 374195801Smav if (filter != NULL) { 375195801Smav printf("siis.c: we cannot use a filter here\n"); 376195801Smav return (EINVAL); 377195801Smav } 378195801Smav ctlr->interrupt[unit].function = function; 379195801Smav ctlr->interrupt[unit].argument = argument; 380195801Smav return (0); 381195801Smav} 382195801Smav 383195801Smavstatic int 384195801Smavsiis_teardown_intr(device_t dev, device_t child, struct resource *irq, 385195801Smav void *cookie) 386195801Smav{ 387195801Smav struct siis_controller *ctlr = device_get_softc(dev); 388195801Smav int unit = (intptr_t)device_get_ivars(child); 389195801Smav 390195801Smav ctlr->interrupt[unit].function = NULL; 391195801Smav ctlr->interrupt[unit].argument = NULL; 392195801Smav return (0); 393195801Smav} 394195801Smav 395195801Smavstatic int 396195801Smavsiis_print_child(device_t dev, device_t child) 397195801Smav{ 398195801Smav int retval; 399195801Smav 400195801Smav retval = bus_print_child_header(dev, child); 401195801Smav retval += printf(" at channel %d", 402195801Smav (int)(intptr_t)device_get_ivars(child)); 403195801Smav retval += bus_print_child_footer(dev, child); 404195801Smav 405195801Smav return (retval); 406195801Smav} 407195801Smav 408195801Smavdevclass_t siis_devclass; 409195801Smavstatic device_method_t siis_methods[] = { 410195801Smav DEVMETHOD(device_probe, siis_probe), 411195801Smav DEVMETHOD(device_attach, siis_attach), 412195801Smav DEVMETHOD(device_detach, siis_detach), 413195801Smav DEVMETHOD(device_suspend, siis_suspend), 414195801Smav DEVMETHOD(device_resume, siis_resume), 415195801Smav DEVMETHOD(bus_print_child, siis_print_child), 416195801Smav DEVMETHOD(bus_alloc_resource, siis_alloc_resource), 417195801Smav DEVMETHOD(bus_release_resource, siis_release_resource), 418195801Smav DEVMETHOD(bus_setup_intr, siis_setup_intr), 419195801Smav DEVMETHOD(bus_teardown_intr,siis_teardown_intr), 420195801Smav { 0, 0 } 421195801Smav}; 422195801Smavstatic driver_t siis_driver = { 423195801Smav "siis", 424195801Smav siis_methods, 425195801Smav sizeof(struct siis_controller) 426195801Smav}; 427195801SmavDRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0); 428195801SmavMODULE_VERSION(siis, 1); 429195801SmavMODULE_DEPEND(siis, cam, 1, 1, 1); 430195801Smav 431195801Smavstatic int 432195801Smavsiis_ch_probe(device_t dev) 433195801Smav{ 434195801Smav 435195801Smav device_set_desc_copy(dev, "SIIS channel"); 436195801Smav return (0); 437195801Smav} 438195801Smav 439195801Smavstatic int 440195801Smavsiis_ch_attach(device_t dev) 441195801Smav{ 442200217Smav struct siis_controller *ctlr = device_get_softc(device_get_parent(dev)); 443195801Smav struct siis_channel *ch = device_get_softc(dev); 444195801Smav struct cam_devq *devq; 445199821Smav int rid, error, i, sata_rev = 0; 446195801Smav 447195801Smav ch->dev = dev; 448195801Smav ch->unit = (intptr_t)device_get_ivars(dev); 449200217Smav ch->quirks = ctlr->quirks; 450195801Smav resource_int_value(device_get_name(dev), 451195801Smav device_get_unit(dev), "pm_level", &ch->pm_level); 452199821Smav resource_int_value(device_get_name(dev), 453199821Smav device_get_unit(dev), "sata_rev", &sata_rev); 454199747Smav for (i = 0; i < 16; i++) { 455199821Smav ch->user[i].revision = sata_rev; 456199747Smav ch->user[i].mode = 0; 457199747Smav ch->user[i].bytecount = 8192; 458199747Smav ch->user[i].tags = SIIS_MAX_SLOTS; 459199747Smav ch->curr[i] = ch->user[i]; 460199747Smav } 461195801Smav mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); 462195801Smav rid = ch->unit; 463195801Smav if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 464195801Smav &rid, RF_ACTIVE))) 465195801Smav return (ENXIO); 466195801Smav siis_dmainit(dev); 467195801Smav siis_slotsalloc(dev); 468195801Smav siis_ch_resume(dev); 469195801Smav mtx_lock(&ch->mtx); 470195801Smav rid = ATA_IRQ_RID; 471195801Smav if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 472195801Smav &rid, RF_SHAREABLE | RF_ACTIVE))) { 473195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 474195801Smav device_printf(dev, "Unable to map interrupt\n"); 475195801Smav return (ENXIO); 476195801Smav } 477195801Smav if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 478195801Smav siis_ch_intr_locked, dev, &ch->ih))) { 479195801Smav device_printf(dev, "Unable to setup interrupt\n"); 480195801Smav error = ENXIO; 481195801Smav goto err1; 482195801Smav } 483195801Smav /* Create the device queue for our SIM. */ 484195801Smav devq = cam_simq_alloc(SIIS_MAX_SLOTS); 485195801Smav if (devq == NULL) { 486195801Smav device_printf(dev, "Unable to allocate simq\n"); 487195801Smav error = ENOMEM; 488195801Smav goto err1; 489195801Smav } 490195801Smav /* Construct SIM entry */ 491195801Smav ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch, 492199178Smav device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq); 493195801Smav if (ch->sim == NULL) { 494195801Smav device_printf(dev, "unable to allocate sim\n"); 495195801Smav error = ENOMEM; 496195801Smav goto err2; 497195801Smav } 498195801Smav if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 499195801Smav device_printf(dev, "unable to register xpt bus\n"); 500195801Smav error = ENXIO; 501195801Smav goto err2; 502195801Smav } 503195801Smav if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 504195801Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 505195801Smav device_printf(dev, "unable to create path\n"); 506195801Smav error = ENXIO; 507195801Smav goto err3; 508195801Smav } 509195801Smav mtx_unlock(&ch->mtx); 510195801Smav return (0); 511195801Smav 512195801Smaverr3: 513195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 514195801Smaverr2: 515195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 516195801Smaverr1: 517195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 518195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 519195801Smav mtx_unlock(&ch->mtx); 520195801Smav return (error); 521195801Smav} 522195801Smav 523195801Smavstatic int 524195801Smavsiis_ch_detach(device_t dev) 525195801Smav{ 526195801Smav struct siis_channel *ch = device_get_softc(dev); 527195801Smav 528195801Smav mtx_lock(&ch->mtx); 529195801Smav xpt_async(AC_LOST_DEVICE, ch->path, NULL); 530195801Smav xpt_free_path(ch->path); 531195801Smav xpt_bus_deregister(cam_sim_path(ch->sim)); 532195801Smav cam_sim_free(ch->sim, /*free_devq*/TRUE); 533195801Smav mtx_unlock(&ch->mtx); 534195801Smav 535195801Smav bus_teardown_intr(dev, ch->r_irq, ch->ih); 536195801Smav bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 537195801Smav 538195801Smav siis_ch_suspend(dev); 539195801Smav siis_slotsfree(dev); 540195801Smav siis_dmafini(dev); 541195801Smav 542195801Smav bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 543195801Smav mtx_destroy(&ch->mtx); 544195801Smav return (0); 545195801Smav} 546195801Smav 547195801Smavstatic int 548195801Smavsiis_ch_suspend(device_t dev) 549195801Smav{ 550195801Smav struct siis_channel *ch = device_get_softc(dev); 551195801Smav 552195801Smav /* Put port into reset state. */ 553195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 554195801Smav return (0); 555195801Smav} 556195801Smav 557195801Smavstatic int 558195801Smavsiis_ch_resume(device_t dev) 559195801Smav{ 560195801Smav struct siis_channel *ch = device_get_softc(dev); 561195801Smav 562195801Smav /* Get port out of reset state. */ 563195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 564195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 565198852Smav if (ch->pm_present) 566198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 567198852Smav else 568198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 569195801Smav /* Enable port interrupts */ 570195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 571195801Smav return (0); 572195801Smav} 573195801Smav 574195801Smavdevclass_t siisch_devclass; 575195801Smavstatic device_method_t siisch_methods[] = { 576195801Smav DEVMETHOD(device_probe, siis_ch_probe), 577195801Smav DEVMETHOD(device_attach, siis_ch_attach), 578195801Smav DEVMETHOD(device_detach, siis_ch_detach), 579195801Smav DEVMETHOD(device_suspend, siis_ch_suspend), 580195801Smav DEVMETHOD(device_resume, siis_ch_resume), 581195801Smav { 0, 0 } 582195801Smav}; 583195801Smavstatic driver_t siisch_driver = { 584195801Smav "siisch", 585195801Smav siisch_methods, 586195801Smav sizeof(struct siis_channel) 587195801Smav}; 588195801SmavDRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0); 589195801Smav 590195801Smavstruct siis_dc_cb_args { 591195801Smav bus_addr_t maddr; 592195801Smav int error; 593195801Smav}; 594195801Smav 595195801Smavstatic void 596195801Smavsiis_dmainit(device_t dev) 597195801Smav{ 598195801Smav struct siis_channel *ch = device_get_softc(dev); 599195801Smav struct siis_dc_cb_args dcba; 600195801Smav 601195801Smav /* Command area. */ 602195801Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 603195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 604195801Smav NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE, 605195801Smav 0, NULL, NULL, &ch->dma.work_tag)) 606195801Smav goto error; 607195801Smav if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 608195801Smav &ch->dma.work_map)) 609195801Smav goto error; 610195801Smav if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 611195801Smav SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) { 612195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 613195801Smav goto error; 614195801Smav } 615195801Smav ch->dma.work_bus = dcba.maddr; 616195801Smav /* Data area. */ 617199333Smav if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, 618195801Smav BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 619195801Smav NULL, NULL, 620195801Smav SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS, 621195801Smav SIIS_SG_ENTRIES, 0xFFFFFFFF, 622195801Smav 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 623195801Smav goto error; 624195801Smav } 625195801Smav return; 626195801Smav 627195801Smaverror: 628195801Smav device_printf(dev, "WARNING - DMA initialization failed\n"); 629195801Smav siis_dmafini(dev); 630195801Smav} 631195801Smav 632195801Smavstatic void 633195801Smavsiis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 634195801Smav{ 635195801Smav struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc; 636195801Smav 637195801Smav if (!(dcba->error = error)) 638195801Smav dcba->maddr = segs[0].ds_addr; 639195801Smav} 640195801Smav 641195801Smavstatic void 642195801Smavsiis_dmafini(device_t dev) 643195801Smav{ 644195801Smav struct siis_channel *ch = device_get_softc(dev); 645195801Smav 646195801Smav if (ch->dma.data_tag) { 647195801Smav bus_dma_tag_destroy(ch->dma.data_tag); 648195801Smav ch->dma.data_tag = NULL; 649195801Smav } 650195801Smav if (ch->dma.work_bus) { 651195801Smav bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 652195801Smav bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 653195801Smav ch->dma.work_bus = 0; 654195801Smav ch->dma.work_map = NULL; 655195801Smav ch->dma.work = NULL; 656195801Smav } 657195801Smav if (ch->dma.work_tag) { 658195801Smav bus_dma_tag_destroy(ch->dma.work_tag); 659195801Smav ch->dma.work_tag = NULL; 660195801Smav } 661195801Smav} 662195801Smav 663195801Smavstatic void 664195801Smavsiis_slotsalloc(device_t dev) 665195801Smav{ 666195801Smav struct siis_channel *ch = device_get_softc(dev); 667195801Smav int i; 668195801Smav 669195801Smav /* Alloc and setup command/dma slots */ 670195801Smav bzero(ch->slot, sizeof(ch->slot)); 671195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 672195801Smav struct siis_slot *slot = &ch->slot[i]; 673195801Smav 674195801Smav slot->dev = dev; 675195801Smav slot->slot = i; 676195801Smav slot->state = SIIS_SLOT_EMPTY; 677195801Smav slot->ccb = NULL; 678195801Smav callout_init_mtx(&slot->timeout, &ch->mtx, 0); 679195801Smav 680195801Smav if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 681195801Smav device_printf(ch->dev, "FAILURE - create data_map\n"); 682195801Smav } 683195801Smav} 684195801Smav 685195801Smavstatic void 686195801Smavsiis_slotsfree(device_t dev) 687195801Smav{ 688195801Smav struct siis_channel *ch = device_get_softc(dev); 689195801Smav int i; 690195801Smav 691195801Smav /* Free all dma slots */ 692195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 693195801Smav struct siis_slot *slot = &ch->slot[i]; 694195801Smav 695198896Smav callout_drain(&slot->timeout); 696195801Smav if (slot->dma.data_map) { 697195801Smav bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 698195801Smav slot->dma.data_map = NULL; 699195801Smav } 700195801Smav } 701195801Smav} 702195801Smav 703195801Smavstatic void 704196655Smavsiis_notify_events(device_t dev) 705196655Smav{ 706196655Smav struct siis_channel *ch = device_get_softc(dev); 707196655Smav struct cam_path *dpath; 708196655Smav u_int32_t status; 709196655Smav int i; 710196655Smav 711200217Smav if (ch->quirks & SIIS_Q_SNTF) { 712200217Smav status = ATA_INL(ch->r_mem, SIIS_P_SNTF); 713200217Smav ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status); 714200217Smav } else { 715200217Smav /* 716200217Smav * Without SNTF we have no idea which device sent notification. 717200217Smav * If PMP is connected, assume it, else - device. 718200217Smav */ 719200217Smav status = (ch->pm_present) ? 0x8000 : 0x0001; 720200217Smav } 721196655Smav if (bootverbose) 722196655Smav device_printf(dev, "SNTF 0x%04x\n", status); 723196655Smav for (i = 0; i < 16; i++) { 724196655Smav if ((status & (1 << i)) == 0) 725196655Smav continue; 726196655Smav if (xpt_create_path(&dpath, NULL, 727196655Smav xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 728196655Smav xpt_async(AC_SCSI_AEN, dpath, NULL); 729196655Smav xpt_free_path(dpath); 730196655Smav } 731196655Smav } 732196655Smav 733196655Smav} 734196655Smav 735196655Smavstatic void 736195801Smavsiis_phy_check_events(device_t dev) 737195801Smav{ 738195801Smav struct siis_channel *ch = device_get_softc(dev); 739195801Smav 740195801Smav /* If we have a connection event, deal with it */ 741195801Smav if (ch->pm_level == 0) { 742195801Smav u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 743195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 744195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 745195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 746195801Smav if (bootverbose) 747195801Smav device_printf(dev, "CONNECT requested\n"); 748195801Smav siis_reset(dev); 749195801Smav } else { 750195801Smav if (bootverbose) 751195801Smav device_printf(dev, "DISCONNECT requested\n"); 752195801Smav ch->devices = 0; 753195801Smav } 754195801Smav } 755195801Smav} 756195801Smav 757195801Smavstatic void 758195801Smavsiis_ch_intr_locked(void *data) 759195801Smav{ 760195801Smav device_t dev = (device_t)data; 761195801Smav struct siis_channel *ch = device_get_softc(dev); 762195801Smav 763195801Smav mtx_lock(&ch->mtx); 764195801Smav siis_ch_intr(data); 765195801Smav mtx_unlock(&ch->mtx); 766195801Smav} 767195801Smav 768195801Smavstatic void 769195801Smavsiis_ch_intr(void *data) 770195801Smav{ 771195801Smav device_t dev = (device_t)data; 772195801Smav struct siis_channel *ch = device_get_softc(dev); 773195801Smav uint32_t istatus, sstatus, ctx, estatus, ok, err = 0; 774195801Smav enum siis_err_type et; 775195801Smav int i, ccs, port, tslots; 776195801Smav 777195801Smav mtx_assert(&ch->mtx, MA_OWNED); 778195801Smav /* Read command statuses. */ 779195801Smav sstatus = ATA_INL(ch->r_mem, SIIS_P_SS); 780195801Smav ok = ch->rslots & ~sstatus; 781195801Smav /* Complete all successfull commands. */ 782195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 783195801Smav if ((ok >> i) & 1) 784195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE); 785195801Smav } 786195801Smav /* Do we have any other events? */ 787195801Smav if ((sstatus & SIIS_P_SS_ATTN) == 0) 788195801Smav return; 789195801Smav /* Read and clear interrupt statuses. */ 790195801Smav istatus = ATA_INL(ch->r_mem, SIIS_P_IS) & 791195801Smav (0xFFFF & ~SIIS_P_IX_COMMCOMP); 792195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus); 793195801Smav /* Process PHY events */ 794195801Smav if (istatus & SIIS_P_IX_PHYRDYCHG) 795195801Smav siis_phy_check_events(dev); 796196655Smav /* Process NOTIFY events */ 797196655Smav if (istatus & SIIS_P_IX_SDBN) 798196655Smav siis_notify_events(dev); 799195801Smav /* Process command errors */ 800195801Smav if (istatus & SIIS_P_IX_COMMERR) { 801195801Smav estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR); 802195801Smav ctx = ATA_INL(ch->r_mem, SIIS_P_CTX); 803195801Smav ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT; 804195801Smav port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT; 805195801Smav err = ch->rslots & sstatus; 806195801Smav//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n", 807195801Smav// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port, 808195801Smav// ATA_INL(ch->r_mem, SIIS_P_SERR)); 809195801Smav 810195801Smav if (!ch->readlog && !ch->recovery) { 811195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 812195801Smav ch->recovery = 1; 813195801Smav } 814195801Smav if (ch->frozen) { 815195801Smav union ccb *fccb = ch->frozen; 816195801Smav ch->frozen = NULL; 817198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 818198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 819198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 820198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 821198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 822198321Smav } 823195801Smav xpt_done(fccb); 824195801Smav } 825195801Smav if (estatus == SIIS_P_CMDERR_DEV || 826195801Smav estatus == SIIS_P_CMDERR_SDB || 827195801Smav estatus == SIIS_P_CMDERR_DATAFIS) { 828195801Smav tslots = ch->numtslots[port]; 829195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 830198852Smav /* XXX: requests in loading state. */ 831195801Smav if (((ch->rslots >> i) & 1) == 0) 832195801Smav continue; 833195801Smav if (ch->slot[i].ccb->ccb_h.target_id != port) 834195801Smav continue; 835195801Smav if (tslots == 0) { 836195801Smav /* Untagged operation. */ 837195801Smav if (i == ccs) 838195801Smav et = SIIS_ERR_TFE; 839195801Smav else 840195801Smav et = SIIS_ERR_INNOCENT; 841195801Smav } else { 842195801Smav /* Tagged operation. */ 843195801Smav et = SIIS_ERR_NCQ; 844195801Smav } 845195801Smav siis_end_transaction(&ch->slot[i], et); 846195801Smav } 847195801Smav /* 848195801Smav * We can't reinit port if there are some other 849195801Smav * commands active, use resume to complete them. 850195801Smav */ 851195801Smav if (ch->rslots != 0) 852195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME); 853195801Smav } else { 854195801Smav if (estatus == SIIS_P_CMDERR_SENDFIS || 855195801Smav estatus == SIIS_P_CMDERR_INCSTATE || 856195801Smav estatus == SIIS_P_CMDERR_PPE || 857195801Smav estatus == SIIS_P_CMDERR_SERVICE) { 858195801Smav et = SIIS_ERR_SATA; 859195801Smav } else 860195801Smav et = SIIS_ERR_INVALID; 861195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 862198852Smav /* XXX: requests in loading state. */ 863195801Smav if (((ch->rslots >> i) & 1) == 0) 864195801Smav continue; 865195801Smav siis_end_transaction(&ch->slot[i], et); 866195801Smav } 867195801Smav } 868195801Smav } 869195801Smav} 870195801Smav 871195801Smav/* Must be called with channel locked. */ 872195801Smavstatic int 873195801Smavsiis_check_collision(device_t dev, union ccb *ccb) 874195801Smav{ 875195801Smav struct siis_channel *ch = device_get_softc(dev); 876195801Smav 877195801Smav mtx_assert(&ch->mtx, MA_OWNED); 878195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 879199747Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 880199747Smav /* Tagged command while we have no supported tag free. */ 881199747Smav if (((~ch->oslots) & (0x7fffffff >> (31 - 882199747Smav ch->curr[ccb->ccb_h.target_id].tags))) == 0) 883199747Smav return (1); 884199747Smav } 885199747Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 886195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 887195801Smav /* Atomic command while anything active. */ 888195801Smav if (ch->numrslots != 0) 889195801Smav return (1); 890195801Smav } 891195801Smav /* We have some atomic command running. */ 892195801Smav if (ch->aslots != 0) 893195801Smav return (1); 894195801Smav return (0); 895195801Smav} 896195801Smav 897195801Smav/* Must be called with channel locked. */ 898195801Smavstatic void 899195801Smavsiis_begin_transaction(device_t dev, union ccb *ccb) 900195801Smav{ 901195801Smav struct siis_channel *ch = device_get_softc(dev); 902195801Smav struct siis_slot *slot; 903199747Smav int tag, tags; 904195801Smav 905195801Smav mtx_assert(&ch->mtx, MA_OWNED); 906195801Smav /* Choose empty slot. */ 907199747Smav tags = SIIS_MAX_SLOTS; 908199747Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 909199747Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 910199747Smav tags = ch->curr[ccb->ccb_h.target_id].tags; 911199747Smav tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1; 912195801Smav /* Occupy chosen slot. */ 913195801Smav slot = &ch->slot[tag]; 914195801Smav slot->ccb = ccb; 915195801Smav /* Update channel stats. */ 916199747Smav ch->oslots |= (1 << slot->slot); 917195801Smav ch->numrslots++; 918195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 919195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 920195801Smav ch->numtslots[ccb->ccb_h.target_id]++; 921195801Smav } 922195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 923195801Smav (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 924195801Smav ch->aslots |= (1 << slot->slot); 925195801Smav slot->dma.nsegs = 0; 926195801Smav /* If request moves data, setup and load SG list */ 927195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 928195801Smav void *buf; 929195801Smav bus_size_t size; 930195801Smav 931195801Smav slot->state = SIIS_SLOT_LOADING; 932195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 933195801Smav buf = ccb->ataio.data_ptr; 934195801Smav size = ccb->ataio.dxfer_len; 935195801Smav } else { 936195801Smav buf = ccb->csio.data_ptr; 937195801Smav size = ccb->csio.dxfer_len; 938195801Smav } 939195801Smav bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 940195801Smav buf, size, siis_dmasetprd, slot, 0); 941195801Smav } else 942195801Smav siis_execute_transaction(slot); 943195801Smav} 944195801Smav 945195801Smav/* Locked by busdma engine. */ 946195801Smavstatic void 947195801Smavsiis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 948195801Smav{ 949195801Smav struct siis_slot *slot = arg; 950195801Smav struct siis_channel *ch = device_get_softc(slot->dev); 951195801Smav struct siis_cmd *ctp; 952195801Smav struct siis_dma_prd *prd; 953195801Smav int i; 954195801Smav 955195801Smav mtx_assert(&ch->mtx, MA_OWNED); 956195801Smav if (error) { 957195801Smav device_printf(slot->dev, "DMA load error\n"); 958195801Smav if (!ch->readlog) 959195801Smav xpt_freeze_simq(ch->sim, 1); 960195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 961195801Smav return; 962195801Smav } 963195801Smav KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n")); 964195801Smav /* Get a piece of the workspace for this request */ 965195801Smav ctp = (struct siis_cmd *) 966195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 967195801Smav /* Fill S/G table */ 968195801Smav if (slot->ccb->ccb_h.func_code == XPT_ATA_IO) 969195801Smav prd = &ctp->u.ata.prd[0]; 970195801Smav else 971195801Smav prd = &ctp->u.atapi.prd[0]; 972195801Smav for (i = 0; i < nsegs; i++) { 973195801Smav prd[i].dba = htole64(segs[i].ds_addr); 974195801Smav prd[i].dbc = htole32(segs[i].ds_len); 975195801Smav prd[i].control = 0; 976195801Smav } 977195801Smav prd[nsegs - 1].control = htole32(SIIS_PRD_TRM); 978195801Smav slot->dma.nsegs = nsegs; 979195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 980195801Smav ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 981195801Smav BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 982195801Smav siis_execute_transaction(slot); 983195801Smav} 984195801Smav 985195801Smav/* Must be called with channel locked. */ 986195801Smavstatic void 987195801Smavsiis_execute_transaction(struct siis_slot *slot) 988195801Smav{ 989195801Smav device_t dev = slot->dev; 990195801Smav struct siis_channel *ch = device_get_softc(dev); 991195801Smav struct siis_cmd *ctp; 992195801Smav union ccb *ccb = slot->ccb; 993195801Smav u_int64_t prb_bus; 994195801Smav 995195801Smav mtx_assert(&ch->mtx, MA_OWNED); 996195801Smav /* Get a piece of the workspace for this request */ 997195801Smav ctp = (struct siis_cmd *) 998195801Smav (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot)); 999195801Smav ctp->control = 0; 1000195801Smav ctp->protocol_override = 0; 1001195801Smav ctp->transfer_count = 0; 1002195801Smav /* Special handling for Soft Reset command. */ 1003201222Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1004201222Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) { 1005201222Smav ctp->control |= htole16(SIIS_PRB_SOFT_RESET); 1006201222Smav } else { 1007201222Smav ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE); 1008201222Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1009201222Smav ctp->protocol_override |= 1010201222Smav htole16(SIIS_PRB_PROTO_NCQ); 1011201222Smav } 1012201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1013201222Smav ctp->protocol_override |= 1014201222Smav htole16(SIIS_PRB_PROTO_READ); 1015201222Smav } else 1016201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1017201222Smav ctp->protocol_override |= 1018201222Smav htole16(SIIS_PRB_PROTO_WRITE); 1019201222Smav } 1020201222Smav } 1021195801Smav } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1022201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1023195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_READ); 1024201222Smav else 1025201222Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 1026195801Smav ctp->control |= htole16(SIIS_PRB_PACKET_WRITE); 1027195801Smav } 1028195801Smav /* Setup the FIS for this request */ 1029199821Smav if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) { 1030195801Smav device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1031195801Smav if (!ch->readlog) 1032195801Smav xpt_freeze_simq(ch->sim, 1); 1033195801Smav siis_end_transaction(slot, SIIS_ERR_INVALID); 1034195801Smav return; 1035195801Smav } 1036195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1037195801Smav BUS_DMASYNC_PREWRITE); 1038195801Smav /* Issue command to the controller. */ 1039195801Smav slot->state = SIIS_SLOT_RUNNING; 1040195801Smav ch->rslots |= (1 << slot->slot); 1041195801Smav prb_bus = ch->dma.work_bus + 1042195801Smav SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot); 1043195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus); 1044195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32); 1045195801Smav /* Start command execution timeout */ 1046195801Smav callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000, 1047195801Smav (timeout_t*)siis_timeout, slot); 1048195801Smav return; 1049195801Smav} 1050195801Smav 1051198852Smav/* Must be called with channel locked. */ 1052195801Smavstatic void 1053198852Smavsiis_process_timeout(device_t dev) 1054195801Smav{ 1055195801Smav struct siis_channel *ch = device_get_softc(dev); 1056195801Smav int i; 1057195801Smav 1058195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1059198852Smav if (!ch->readlog && !ch->recovery) { 1060195801Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1061198852Smav ch->recovery = 1; 1062195801Smav } 1063197838Smav /* Handle the rest of commands. */ 1064195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1065195801Smav /* Do we have a running request on slot? */ 1066195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1067195801Smav continue; 1068198852Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT); 1069195801Smav } 1070195801Smav} 1071195801Smav 1072198852Smav/* Locked by callout mechanism. */ 1073198852Smavstatic void 1074198852Smavsiis_timeout(struct siis_slot *slot) 1075198852Smav{ 1076198852Smav device_t dev = slot->dev; 1077198852Smav struct siis_channel *ch = device_get_softc(dev); 1078198852Smav 1079198852Smav mtx_assert(&ch->mtx, MA_OWNED); 1080198896Smav /* Check for stale timeout. */ 1081198896Smav if (slot->state < SIIS_SLOT_RUNNING) 1082198896Smav return; 1083198852Smav device_printf(dev, "Timeout on slot %d\n", slot->slot); 1084198852Smavdevice_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n", 1085198852Smav __func__, ATA_INL(ch->r_mem, SIIS_P_IS), ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots, 1086198852Smav ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS), 1087198852Smav ATA_INL(ch->r_mem, SIIS_P_SERR)); 1088198852Smav 1089198852Smav if (ch->toslots == 0) 1090198852Smav xpt_freeze_simq(ch->sim, 1); 1091198852Smav ch->toslots |= (1 << slot->slot); 1092198852Smav if ((ch->rslots & ~ch->toslots) == 0) 1093198852Smav siis_process_timeout(dev); 1094198852Smav else 1095198852Smav device_printf(dev, " ... waiting for slots %08x\n", 1096198852Smav ch->rslots & ~ch->toslots); 1097198852Smav} 1098198852Smav 1099195801Smav/* Must be called with channel locked. */ 1100195801Smavstatic void 1101195801Smavsiis_end_transaction(struct siis_slot *slot, enum siis_err_type et) 1102195801Smav{ 1103195801Smav device_t dev = slot->dev; 1104195801Smav struct siis_channel *ch = device_get_softc(dev); 1105195801Smav union ccb *ccb = slot->ccb; 1106195801Smav 1107195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1108195801Smav bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1109195801Smav BUS_DMASYNC_POSTWRITE); 1110195801Smav /* Read result registers to the result struct 1111195801Smav * May be incorrect if several commands finished same time, 1112195801Smav * so read only when sure or have to. 1113195801Smav */ 1114195801Smav if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1115195801Smav struct ata_res *res = &ccb->ataio.res; 1116195801Smav if ((et == SIIS_ERR_TFE) || 1117195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1118195801Smav int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8; 1119195801Smav 1120195801Smav res->status = ATA_INB(ch->r_mem, offs + 2); 1121195801Smav res->error = ATA_INB(ch->r_mem, offs + 3); 1122195801Smav res->lba_low = ATA_INB(ch->r_mem, offs + 4); 1123195801Smav res->lba_mid = ATA_INB(ch->r_mem, offs + 5); 1124195801Smav res->lba_high = ATA_INB(ch->r_mem, offs + 6); 1125195801Smav res->device = ATA_INB(ch->r_mem, offs + 7); 1126195801Smav res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8); 1127195801Smav res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9); 1128195801Smav res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10); 1129195801Smav res->sector_count = ATA_INB(ch->r_mem, offs + 12); 1130195801Smav res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13); 1131195801Smav } else 1132195801Smav bzero(res, sizeof(*res)); 1133195801Smav } 1134195801Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1135195801Smav bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1136195801Smav (ccb->ccb_h.flags & CAM_DIR_IN) ? 1137195801Smav BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1138195801Smav bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1139195801Smav } 1140195801Smav /* Set proper result status. */ 1141195801Smav if (et != SIIS_ERR_NONE || ch->recovery) { 1142195801Smav ch->eslots |= (1 << slot->slot); 1143195801Smav ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1144195801Smav } 1145198321Smav /* In case of error, freeze device for proper recovery. */ 1146198321Smav if (et != SIIS_ERR_NONE && 1147198321Smav !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1148198321Smav xpt_freeze_devq(ccb->ccb_h.path, 1); 1149198321Smav ccb->ccb_h.status |= CAM_DEV_QFRZN; 1150198321Smav } 1151198321Smav ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1152195801Smav switch (et) { 1153195801Smav case SIIS_ERR_NONE: 1154195801Smav ccb->ccb_h.status |= CAM_REQ_CMP; 1155195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1156195801Smav ccb->csio.scsi_status = SCSI_STATUS_OK; 1157195801Smav break; 1158195801Smav case SIIS_ERR_INVALID: 1159198852Smav ch->fatalerr = 1; 1160195801Smav ccb->ccb_h.status |= CAM_REQ_INVALID; 1161195801Smav break; 1162195801Smav case SIIS_ERR_INNOCENT: 1163195801Smav ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1164195801Smav break; 1165195801Smav case SIIS_ERR_TFE: 1166198321Smav case SIIS_ERR_NCQ: 1167195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1168195801Smav ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1169195801Smav ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1170195801Smav } else { 1171195801Smav ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1172195801Smav } 1173195801Smav break; 1174195801Smav case SIIS_ERR_SATA: 1175198852Smav ch->fatalerr = 1; 1176195801Smav ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1177195801Smav break; 1178195801Smav case SIIS_ERR_TIMEOUT: 1179198852Smav ch->fatalerr = 1; 1180195801Smav ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1181195801Smav break; 1182195801Smav default: 1183195801Smav ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1184195801Smav } 1185195801Smav /* Free slot. */ 1186199747Smav ch->oslots &= ~(1 << slot->slot); 1187195801Smav ch->rslots &= ~(1 << slot->slot); 1188195801Smav ch->aslots &= ~(1 << slot->slot); 1189198852Smav if (et != SIIS_ERR_TIMEOUT) { 1190198852Smav if (ch->toslots == (1 << slot->slot)) 1191198852Smav xpt_release_simq(ch->sim, TRUE); 1192198852Smav ch->toslots &= ~(1 << slot->slot); 1193198852Smav } 1194195801Smav slot->state = SIIS_SLOT_EMPTY; 1195195801Smav slot->ccb = NULL; 1196195801Smav /* Update channel stats. */ 1197195801Smav ch->numrslots--; 1198195801Smav if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1199195801Smav (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1200195801Smav ch->numtslots[ccb->ccb_h.target_id]--; 1201195801Smav } 1202198852Smav /* If it was our READ LOG command - process it. */ 1203198852Smav if (ch->readlog) { 1204198852Smav siis_process_read_log(dev, ccb); 1205195801Smav /* If it was NCQ command error, put result on hold. */ 1206198852Smav } else if (et == SIIS_ERR_NCQ) { 1207195801Smav ch->hold[slot->slot] = ccb; 1208195801Smav ch->numhslots++; 1209198852Smav } else 1210195801Smav xpt_done(ccb); 1211195801Smav /* Unfreeze frozen command. */ 1212199747Smav if (ch->frozen && !siis_check_collision(dev, ch->frozen)) { 1213195801Smav union ccb *fccb = ch->frozen; 1214195801Smav ch->frozen = NULL; 1215195801Smav siis_begin_transaction(dev, fccb); 1216195801Smav xpt_release_simq(ch->sim, TRUE); 1217195801Smav } 1218195801Smav /* If we have no other active commands, ... */ 1219195801Smav if (ch->rslots == 0) { 1220198852Smav /* if there were timeouts or fatal error - reset port. */ 1221198852Smav if (ch->toslots != 0 || ch->fatalerr) { 1222198852Smav siis_reset(dev); 1223198852Smav } else { 1224198852Smav /* if we have slots in error, we can reinit port. */ 1225198852Smav if (ch->eslots != 0) 1226198852Smav siis_portinit(dev); 1227198852Smav /* if there commands on hold, we can do READ LOG. */ 1228198852Smav if (!ch->readlog && ch->numhslots) 1229198852Smav siis_issue_read_log(dev); 1230198852Smav } 1231198852Smav /* If all the reset of commands are in timeout - abort them. */ 1232198852Smav } else if ((ch->rslots & ~ch->toslots) == 0) 1233198852Smav siis_process_timeout(dev); 1234195801Smav} 1235195801Smav 1236195801Smavstatic void 1237195801Smavsiis_issue_read_log(device_t dev) 1238195801Smav{ 1239195801Smav struct siis_channel *ch = device_get_softc(dev); 1240195801Smav union ccb *ccb; 1241195801Smav struct ccb_ataio *ataio; 1242195801Smav int i; 1243195801Smav 1244195801Smav /* Find some holden command. */ 1245195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1246195801Smav if (ch->hold[i]) 1247195801Smav break; 1248195801Smav } 1249195801Smav if (i == SIIS_MAX_SLOTS) 1250195801Smav return; 1251195801Smav ch->readlog = 1; 1252195801Smav ccb = xpt_alloc_ccb_nowait(); 1253195801Smav if (ccb == NULL) { 1254195801Smav device_printf(dev, "Unable allocate READ LOG command"); 1255195801Smav return; /* XXX */ 1256195801Smav } 1257195801Smav ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 1258195801Smav ccb->ccb_h.func_code = XPT_ATA_IO; 1259195801Smav ccb->ccb_h.flags = CAM_DIR_IN; 1260195801Smav ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 1261195801Smav ataio = &ccb->ataio; 1262195801Smav ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT); 1263195801Smav if (ataio->data_ptr == NULL) { 1264195801Smav device_printf(dev, "Unable allocate memory for READ LOG command"); 1265195801Smav return; /* XXX */ 1266195801Smav } 1267195801Smav ataio->dxfer_len = 512; 1268195801Smav bzero(&ataio->cmd, sizeof(ataio->cmd)); 1269195801Smav ataio->cmd.flags = CAM_ATAIO_48BIT; 1270195801Smav ataio->cmd.command = 0x2F; /* READ LOG EXT */ 1271195801Smav ataio->cmd.sector_count = 1; 1272195801Smav ataio->cmd.sector_count_exp = 0; 1273195801Smav ataio->cmd.lba_low = 0x10; 1274195801Smav ataio->cmd.lba_mid = 0; 1275195801Smav ataio->cmd.lba_mid_exp = 0; 1276195801Smav siis_begin_transaction(dev, ccb); 1277195801Smav} 1278195801Smav 1279195801Smavstatic void 1280195801Smavsiis_process_read_log(device_t dev, union ccb *ccb) 1281195801Smav{ 1282195801Smav struct siis_channel *ch = device_get_softc(dev); 1283195801Smav uint8_t *data; 1284195801Smav struct ata_res *res; 1285195801Smav int i; 1286195801Smav 1287195801Smav ch->readlog = 0; 1288195801Smav data = ccb->ataio.data_ptr; 1289195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1290195801Smav (data[0] & 0x80) == 0) { 1291195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1292195801Smav if (!ch->hold[i]) 1293195801Smav continue; 1294195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1295195801Smav continue; 1296195801Smav if ((data[0] & 0x1F) == i) { 1297195801Smav res = &ch->hold[i]->ataio.res; 1298195801Smav res->status = data[2]; 1299195801Smav res->error = data[3]; 1300195801Smav res->lba_low = data[4]; 1301195801Smav res->lba_mid = data[5]; 1302195801Smav res->lba_high = data[6]; 1303195801Smav res->device = data[7]; 1304195801Smav res->lba_low_exp = data[8]; 1305195801Smav res->lba_mid_exp = data[9]; 1306195801Smav res->lba_high_exp = data[10]; 1307195801Smav res->sector_count = data[12]; 1308195801Smav res->sector_count_exp = data[13]; 1309195801Smav } else { 1310195801Smav ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 1311195801Smav ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 1312195801Smav } 1313195801Smav xpt_done(ch->hold[i]); 1314195801Smav ch->hold[i] = NULL; 1315195801Smav ch->numhslots--; 1316195801Smav } 1317195801Smav } else { 1318195801Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1319195801Smav device_printf(dev, "Error while READ LOG EXT\n"); 1320195801Smav else if ((data[0] & 0x80) == 0) { 1321195801Smav device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 1322195801Smav } 1323195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1324195801Smav if (!ch->hold[i]) 1325195801Smav continue; 1326195801Smav if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id) 1327195801Smav continue; 1328195801Smav xpt_done(ch->hold[i]); 1329195801Smav ch->hold[i] = NULL; 1330195801Smav ch->numhslots--; 1331195801Smav } 1332195801Smav } 1333195801Smav free(ccb->ataio.data_ptr, M_SIIS); 1334195801Smav xpt_free_ccb(ccb); 1335195801Smav} 1336195801Smav 1337195801Smavstatic void 1338195801Smavsiis_portinit(device_t dev) 1339195801Smav{ 1340195801Smav struct siis_channel *ch = device_get_softc(dev); 1341195801Smav int i; 1342195801Smav 1343195801Smav ch->eslots = 0; 1344195801Smav ch->recovery = 0; 1345195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME); 1346195801Smav for (i = 0; i < 16; i++) { 1347195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0), 1348195801Smav ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0); 1349195801Smav } 1350195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT); 1351195801Smav siis_wait_ready(dev, 1000); 1352195801Smav} 1353195801Smav 1354198426Smavstatic int 1355195801Smavsiis_devreset(device_t dev) 1356195801Smav{ 1357195801Smav struct siis_channel *ch = device_get_softc(dev); 1358198426Smav int timeout = 0; 1359198426Smav uint32_t val; 1360195801Smav 1361195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET); 1362198426Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1363198426Smav SIIS_P_CTL_DEV_RESET) != 0) { 1364198426Smav DELAY(1000); 1365198426Smav if (timeout++ > 100) { 1366198426Smav device_printf(dev, "device reset stuck (timeout %dms) " 1367198426Smav "status = %08x\n", timeout, val); 1368198426Smav return (EBUSY); 1369198426Smav } 1370198426Smav } 1371198426Smav if (bootverbose) 1372198426Smav device_printf(dev, "device reset time=%dms\n", timeout); 1373198426Smav return (0); 1374195801Smav} 1375195801Smav 1376195801Smavstatic int 1377195801Smavsiis_wait_ready(device_t dev, int t) 1378195801Smav{ 1379195801Smav struct siis_channel *ch = device_get_softc(dev); 1380195801Smav int timeout = 0; 1381195801Smav uint32_t val; 1382195801Smav 1383195801Smav while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) & 1384195801Smav SIIS_P_CTL_READY) == 0) { 1385195801Smav DELAY(1000); 1386195801Smav if (timeout++ > t) { 1387195801Smav device_printf(dev, "port is not ready (timeout %dms) " 1388195801Smav "status = %08x\n", t, val); 1389195801Smav return (EBUSY); 1390195801Smav } 1391195801Smav } 1392195801Smav if (bootverbose) 1393195801Smav device_printf(dev, "ready wait time=%dms\n", timeout); 1394195801Smav return (0); 1395195801Smav} 1396195801Smav 1397195801Smavstatic void 1398195801Smavsiis_reset(device_t dev) 1399195801Smav{ 1400195801Smav struct siis_channel *ch = device_get_softc(dev); 1401199821Smav int i, retry = 0, sata_rev; 1402198426Smav uint32_t val; 1403195801Smav 1404195801Smav if (bootverbose) 1405195801Smav device_printf(dev, "SIIS reset...\n"); 1406198852Smav if (!ch->readlog && !ch->recovery) 1407198852Smav xpt_freeze_simq(ch->sim, ch->numrslots); 1408198852Smav /* Requeue frozen command. */ 1409195801Smav if (ch->frozen) { 1410195801Smav union ccb *fccb = ch->frozen; 1411195801Smav ch->frozen = NULL; 1412198321Smav fccb->ccb_h.status &= ~CAM_STATUS_MASK; 1413198321Smav fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1414198321Smav if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1415198321Smav xpt_freeze_devq(fccb->ccb_h.path, 1); 1416198321Smav fccb->ccb_h.status |= CAM_DEV_QFRZN; 1417198321Smav } 1418195801Smav xpt_done(fccb); 1419195801Smav } 1420198426Smav /* Requeue all running commands. */ 1421195801Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1422195801Smav /* Do we have a running request on slot? */ 1423195801Smav if (ch->slot[i].state < SIIS_SLOT_RUNNING) 1424195801Smav continue; 1425195801Smav /* XXX; Commands in loading state. */ 1426195801Smav siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT); 1427195801Smav } 1428198852Smav /* Finish all holden commands as-is. */ 1429198852Smav for (i = 0; i < SIIS_MAX_SLOTS; i++) { 1430198852Smav if (!ch->hold[i]) 1431198852Smav continue; 1432198852Smav xpt_done(ch->hold[i]); 1433198852Smav ch->hold[i] = NULL; 1434198852Smav ch->numhslots--; 1435198852Smav } 1436198852Smav if (ch->toslots != 0) 1437198852Smav xpt_release_simq(ch->sim, TRUE); 1438198852Smav ch->eslots = 0; 1439198852Smav ch->recovery = 0; 1440198852Smav ch->toslots = 0; 1441198852Smav ch->fatalerr = 0; 1442198426Smav /* Disable port interrupts */ 1443198426Smav ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF); 1444198426Smav /* Set speed limit. */ 1445199821Smav sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 1446199821Smav if (sata_rev == 1) 1447198426Smav val = ATA_SC_SPD_SPEED_GEN1; 1448199821Smav else if (sata_rev == 2) 1449198426Smav val = ATA_SC_SPD_SPEED_GEN2; 1450199821Smav else if (sata_rev == 3) 1451198426Smav val = ATA_SC_SPD_SPEED_GEN3; 1452198426Smav else 1453198426Smav val = 0; 1454198426Smav ATA_OUTL(ch->r_mem, SIIS_P_SCTL, 1455198426Smav ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 1456198426Smav (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 1457198852Smavretry: 1458198426Smav siis_devreset(dev); 1459195801Smav /* Reset and reconnect PHY, */ 1460198426Smav if (!siis_sata_connect(ch)) { 1461195801Smav ch->devices = 0; 1462195801Smav /* Enable port interrupts */ 1463195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1464195801Smav if (bootverbose) 1465195801Smav device_printf(dev, 1466195801Smav "SIIS reset done: phy reset found no device\n"); 1467195801Smav /* Tell the XPT about the event */ 1468195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1469195801Smav return; 1470195801Smav } 1471195801Smav /* Wait for clearing busy status. */ 1472198852Smav if (siis_wait_ready(dev, 10000)) { 1473195801Smav device_printf(dev, "device ready timeout\n"); 1474198852Smav if (!retry) { 1475198852Smav device_printf(dev, "trying full port reset ...\n"); 1476198852Smav /* Get port to the reset state. */ 1477198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET); 1478198852Smav DELAY(10000); 1479198852Smav /* Get port out of reset state. */ 1480198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET); 1481198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT); 1482198852Smav if (ch->pm_present) 1483198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1484198852Smav else 1485198852Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1486198852Smav siis_wait_ready(dev, 5000); 1487198852Smav retry = 1; 1488198852Smav goto retry; 1489198852Smav } 1490198852Smav } 1491195801Smav ch->devices = 1; 1492195801Smav /* Enable port interrupts */ 1493195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF); 1494195801Smav ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED); 1495195801Smav if (bootverbose) 1496195801Smav device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices); 1497195801Smav /* Tell the XPT about the event */ 1498195801Smav xpt_async(AC_BUS_RESET, ch->path, NULL); 1499195801Smav} 1500195801Smav 1501195801Smavstatic int 1502199821Smavsiis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag) 1503195801Smav{ 1504199821Smav struct siis_channel *ch = device_get_softc(dev); 1505195801Smav u_int8_t *fis = &ctp->fis[0]; 1506195801Smav 1507195801Smav bzero(fis, 24); 1508195801Smav fis[0] = 0x27; /* host to device */ 1509195801Smav fis[1] = (ccb->ccb_h.target_id & 0x0f); 1510195801Smav if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1511195801Smav fis[1] |= 0x80; 1512195801Smav fis[2] = ATA_PACKET_CMD; 1513199821Smav if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 1514199821Smav ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 1515195801Smav fis[3] = ATA_F_DMA; 1516195801Smav else { 1517195801Smav fis[5] = ccb->csio.dxfer_len; 1518195801Smav fis[6] = ccb->csio.dxfer_len >> 8; 1519195801Smav } 1520195801Smav fis[7] = ATA_D_LBA; 1521195801Smav fis[15] = ATA_A_4BIT; 1522195801Smav bzero(ctp->u.atapi.ccb, 16); 1523195801Smav bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 1524195801Smav ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 1525195801Smav ctp->u.atapi.ccb, ccb->csio.cdb_len); 1526195801Smav } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 1527195801Smav fis[1] |= 0x80; 1528195801Smav fis[2] = ccb->ataio.cmd.command; 1529195801Smav fis[3] = ccb->ataio.cmd.features; 1530195801Smav fis[4] = ccb->ataio.cmd.lba_low; 1531195801Smav fis[5] = ccb->ataio.cmd.lba_mid; 1532195801Smav fis[6] = ccb->ataio.cmd.lba_high; 1533195801Smav fis[7] = ccb->ataio.cmd.device; 1534195801Smav fis[8] = ccb->ataio.cmd.lba_low_exp; 1535195801Smav fis[9] = ccb->ataio.cmd.lba_mid_exp; 1536195801Smav fis[10] = ccb->ataio.cmd.lba_high_exp; 1537195801Smav fis[11] = ccb->ataio.cmd.features_exp; 1538195801Smav if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 1539195801Smav fis[12] = tag << 3; 1540195801Smav fis[13] = 0; 1541195801Smav } else { 1542195801Smav fis[12] = ccb->ataio.cmd.sector_count; 1543195801Smav fis[13] = ccb->ataio.cmd.sector_count_exp; 1544195801Smav } 1545195801Smav fis[15] = ATA_A_4BIT; 1546195801Smav } else { 1547195801Smav /* Soft reset. */ 1548195801Smav } 1549195801Smav return (20); 1550195801Smav} 1551195801Smav 1552195801Smavstatic int 1553195801Smavsiis_sata_connect(struct siis_channel *ch) 1554195801Smav{ 1555195801Smav u_int32_t status; 1556195801Smav int timeout; 1557195801Smav 1558195801Smav /* Wait up to 100ms for "connect well" */ 1559195801Smav for (timeout = 0; timeout < 100 ; timeout++) { 1560195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS); 1561195801Smav if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1562195801Smav ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1563195801Smav ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 1564195801Smav break; 1565195801Smav DELAY(1000); 1566195801Smav } 1567195801Smav if (timeout >= 100) { 1568195801Smav if (bootverbose) { 1569195801Smav device_printf(ch->dev, "SATA connect timeout status=%08x\n", 1570195801Smav status); 1571195801Smav } 1572195801Smav return (0); 1573195801Smav } 1574195801Smav if (bootverbose) { 1575195801Smav device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 1576195801Smav timeout, status); 1577195801Smav } 1578195801Smav /* Clear SATA error register */ 1579195801Smav ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff); 1580195801Smav return (1); 1581195801Smav} 1582195801Smav 1583195801Smavstatic void 1584195801Smavsiisaction(struct cam_sim *sim, union ccb *ccb) 1585195801Smav{ 1586195801Smav device_t dev; 1587195801Smav struct siis_channel *ch; 1588195801Smav 1589195801Smav CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n", 1590195801Smav ccb->ccb_h.func_code)); 1591195801Smav 1592195801Smav ch = (struct siis_channel *)cam_sim_softc(sim); 1593195801Smav dev = ch->dev; 1594195801Smav mtx_assert(&ch->mtx, MA_OWNED); 1595195801Smav switch (ccb->ccb_h.func_code) { 1596195801Smav /* Common cases first */ 1597195801Smav case XPT_ATA_IO: /* Execute the requested I/O operation */ 1598195801Smav case XPT_SCSI_IO: 1599195801Smav if (ch->devices == 0) { 1600195801Smav ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1601195801Smav xpt_done(ccb); 1602195801Smav break; 1603195801Smav } 1604195801Smav /* Check for command collision. */ 1605195801Smav if (siis_check_collision(dev, ccb)) { 1606195801Smav /* Freeze command. */ 1607195801Smav ch->frozen = ccb; 1608195801Smav /* We have only one frozen slot, so freeze simq also. */ 1609195801Smav xpt_freeze_simq(ch->sim, 1); 1610195801Smav return; 1611195801Smav } 1612195801Smav siis_begin_transaction(dev, ccb); 1613195801Smav break; 1614195801Smav case XPT_EN_LUN: /* Enable LUN as a target */ 1615195801Smav case XPT_TARGET_IO: /* Execute target I/O request */ 1616195801Smav case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 1617195801Smav case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 1618195801Smav case XPT_ABORT: /* Abort the specified CCB */ 1619195801Smav /* XXX Implement */ 1620195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1621195801Smav xpt_done(ccb); 1622195801Smav break; 1623195801Smav case XPT_SET_TRAN_SETTINGS: 1624195801Smav { 1625195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1626199747Smav struct siis_device *d; 1627195801Smav 1628199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1629199747Smav d = &ch->curr[ccb->ccb_h.target_id]; 1630199747Smav else 1631199747Smav d = &ch->user[ccb->ccb_h.target_id]; 1632199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 1633199747Smav d->revision = cts->xport_specific.sata.revision; 1634199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 1635199747Smav d->mode = cts->xport_specific.sata.mode; 1636199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 1637199747Smav d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 1638199747Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 1639199747Smav d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags); 1640195801Smav if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) { 1641198852Smav ch->pm_present = cts->xport_specific.sata.pm_present; 1642198852Smav if (ch->pm_present) 1643195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME); 1644195801Smav else 1645195801Smav ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME); 1646195801Smav } 1647195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1648195801Smav xpt_done(ccb); 1649195801Smav break; 1650195801Smav } 1651195801Smav case XPT_GET_TRAN_SETTINGS: 1652195801Smav /* Get default/user set transfer settings for the target */ 1653195801Smav { 1654195801Smav struct ccb_trans_settings *cts = &ccb->cts; 1655199747Smav struct siis_device *d; 1656195801Smav uint32_t status; 1657195801Smav 1658199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 1659199747Smav d = &ch->curr[ccb->ccb_h.target_id]; 1660199747Smav else 1661199747Smav d = &ch->user[ccb->ccb_h.target_id]; 1662195801Smav cts->protocol = PROTO_ATA; 1663196655Smav cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 1664195801Smav cts->transport = XPORT_SATA; 1665196655Smav cts->transport_version = XPORT_VERSION_UNSPECIFIED; 1666195801Smav cts->proto_specific.valid = 0; 1667195801Smav cts->xport_specific.sata.valid = 0; 1668199747Smav if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1669199747Smav (ccb->ccb_h.target_id == 15 || 1670199747Smav (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 1671195801Smav status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK; 1672199747Smav if (status & 0x0f0) { 1673199747Smav cts->xport_specific.sata.revision = 1674199747Smav (status & 0x0f0) >> 4; 1675199747Smav cts->xport_specific.sata.valid |= 1676199747Smav CTS_SATA_VALID_REVISION; 1677199747Smav } 1678199747Smav } else { 1679199747Smav cts->xport_specific.sata.revision = d->revision; 1680199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 1681195801Smav } 1682199747Smav cts->xport_specific.sata.mode = d->mode; 1683199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 1684199747Smav cts->xport_specific.sata.bytecount = d->bytecount; 1685199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 1686198852Smav cts->xport_specific.sata.pm_present = ch->pm_present; 1687195801Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 1688199747Smav cts->xport_specific.sata.tags = d->tags; 1689199747Smav cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 1690195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1691195801Smav xpt_done(ccb); 1692195801Smav break; 1693195801Smav } 1694195801Smav#if 0 1695195801Smav case XPT_CALC_GEOMETRY: 1696195801Smav { 1697195801Smav struct ccb_calc_geometry *ccg; 1698195801Smav uint32_t size_mb; 1699195801Smav uint32_t secs_per_cylinder; 1700195801Smav 1701195801Smav ccg = &ccb->ccg; 1702195801Smav size_mb = ccg->volume_size 1703195801Smav / ((1024L * 1024L) / ccg->block_size); 1704195801Smav if (size_mb >= 1024 && (aha->extended_trans != 0)) { 1705195801Smav if (size_mb >= 2048) { 1706195801Smav ccg->heads = 255; 1707195801Smav ccg->secs_per_track = 63; 1708195801Smav } else { 1709195801Smav ccg->heads = 128; 1710195801Smav ccg->secs_per_track = 32; 1711195801Smav } 1712195801Smav } else { 1713195801Smav ccg->heads = 64; 1714195801Smav ccg->secs_per_track = 32; 1715195801Smav } 1716195801Smav secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1717195801Smav ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1718195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1719195801Smav xpt_done(ccb); 1720195801Smav break; 1721195801Smav } 1722195801Smav#endif 1723195801Smav case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1724195801Smav case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1725195801Smav siis_reset(dev); 1726195801Smav ccb->ccb_h.status = CAM_REQ_CMP; 1727195801Smav xpt_done(ccb); 1728195801Smav break; 1729195801Smav case XPT_TERM_IO: /* Terminate the I/O process */ 1730195801Smav /* XXX Implement */ 1731195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1732195801Smav xpt_done(ccb); 1733195801Smav break; 1734195801Smav case XPT_PATH_INQ: /* Path routing inquiry */ 1735195801Smav { 1736195801Smav struct ccb_pathinq *cpi = &ccb->cpi; 1737195801Smav 1738195801Smav cpi->version_num = 1; /* XXX??? */ 1739195801Smav cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE; 1740195801Smav cpi->hba_inquiry |= PI_SATAPM; 1741195801Smav cpi->target_sprt = 0; 1742195801Smav cpi->hba_misc = PIM_SEQSCAN; 1743195801Smav cpi->hba_eng_cnt = 0; 1744198322Smav cpi->max_target = 15; 1745195801Smav cpi->max_lun = 0; 1746195801Smav cpi->initiator_id = 0; 1747195801Smav cpi->bus_id = cam_sim_bus(sim); 1748195801Smav cpi->base_transfer_speed = 150000; 1749195801Smav strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1750195801Smav strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN); 1751195801Smav strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1752195801Smav cpi->unit_number = cam_sim_unit(sim); 1753195801Smav cpi->transport = XPORT_SATA; 1754196655Smav cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 1755195801Smav cpi->protocol = PROTO_ATA; 1756196655Smav cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 1757195801Smav cpi->ccb_h.status = CAM_REQ_CMP; 1758195801Smav cpi->maxio = MAXPHYS; 1759195801Smav xpt_done(ccb); 1760195801Smav break; 1761195801Smav } 1762195801Smav default: 1763195801Smav ccb->ccb_h.status = CAM_REQ_INVALID; 1764195801Smav xpt_done(ccb); 1765195801Smav break; 1766195801Smav } 1767195801Smav} 1768195801Smav 1769195801Smavstatic void 1770195801Smavsiispoll(struct cam_sim *sim) 1771195801Smav{ 1772195801Smav struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim); 1773195801Smav 1774195801Smav siis_ch_intr(ch->dev); 1775195801Smav} 1776