2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/module.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
36 #include <sys/endian.h>
37 #include <sys/malloc.h>
39 #include <sys/mutex.h>
41 #include <sys/taskqueue.h>
43 #include <machine/stdarg.h>
44 #include <machine/resource.h>
45 #include <machine/bus.h>
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pcireg.h>
52 #include <cam/cam_ccb.h>
53 #include <cam/cam_sim.h>
54 #include <cam/cam_xpt_sim.h>
55 #include <cam/cam_xpt_periph.h>
56 #include <cam/cam_debug.h>
58 /* local prototypes */
59 static int siis_setup_interrupt(device_t dev);
60 static void siis_intr(void *data);
61 static int siis_suspend(device_t dev);
62 static int siis_resume(device_t dev);
63 static int siis_ch_suspend(device_t dev);
64 static int siis_ch_resume(device_t dev);
65 static void siis_ch_intr_locked(void *data);
66 static void siis_ch_intr(void *data);
67 static void siis_begin_transaction(device_t dev, union ccb *ccb);
68 static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
69 static void siis_execute_transaction(struct siis_slot *slot);
70 static void siis_timeout(struct siis_slot *slot);
71 static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et);
72 static int siis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag);
73 static void siis_dmainit(device_t dev);
74 static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
75 static void siis_dmafini(device_t dev);
76 static void siis_slotsalloc(device_t dev);
77 static void siis_slotsfree(device_t dev);
78 static void siis_reset(device_t dev);
79 static void siis_portinit(device_t dev);
80 static int siis_wait_ready(device_t dev, int t);
82 static int siis_sata_connect(struct siis_channel *ch);
83 static int siis_sata_phy_reset(device_t dev);
85 static void siis_issue_read_log(device_t dev);
86 static void siis_process_read_log(device_t dev, union ccb *ccb);
88 static void siisaction(struct cam_sim *sim, union ccb *ccb);
89 static void siispoll(struct cam_sim *sim);
91 MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers");
94 siis_probe(device_t dev)
96 uint32_t devid = pci_get_devid(dev);
98 if (devid == SIIS_SII3124) {
99 device_set_desc_copy(dev, "SiI3124 SATA2 controller");
100 } else if (devid == SIIS_SII3132 ||
101 devid == SIIS_SII3132_1 ||
102 devid == SIIS_SII3132_2) {
103 device_set_desc_copy(dev, "SiI3132 SATA2 controller");
104 } else if (devid == SIIS_SII3531) {
105 device_set_desc_copy(dev, "SiI3531 SATA2 controller");
110 return (BUS_PROBE_VENDOR);
114 siis_attach(device_t dev)
116 struct siis_controller *ctlr = device_get_softc(dev);
117 uint32_t devid = pci_get_devid(dev);
123 ctlr->r_grid = PCIR_BAR(0);
124 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
125 &ctlr->r_grid, RF_ACTIVE)))
127 /* Channels memory */
128 ctlr->r_rid = PCIR_BAR(2);
129 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
130 &ctlr->r_rid, RF_ACTIVE)))
132 /* Setup our own memory management for channels. */
133 ctlr->sc_iomem.rm_type = RMAN_ARRAY;
134 ctlr->sc_iomem.rm_descr = "I/O memory addresses";
135 if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
136 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
137 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
140 if ((error = rman_manage_region(&ctlr->sc_iomem,
141 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
142 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
143 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
144 rman_fini(&ctlr->sc_iomem);
147 /* Reset controller */
149 /* Number of HW channels */
150 ctlr->channels = (devid == SIIS_SII3124) ? 4 :
151 (devid == SIIS_SII3531 ? 1 : 2);
152 /* Setup interrupts. */
153 if (siis_setup_interrupt(dev)) {
154 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
155 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
156 rman_fini(&ctlr->sc_iomem);
159 /* Attach all channels on this controller */
160 for (unit = 0; unit < ctlr->channels; unit++) {
161 child = device_add_child(dev, "siisch", -1);
163 device_printf(dev, "failed to add channel device\n");
165 device_set_ivars(child, (void *)(intptr_t)unit);
167 bus_generic_attach(dev);
172 siis_detach(device_t dev)
174 struct siis_controller *ctlr = device_get_softc(dev);
178 /* Detach & delete all children */
179 if (!device_get_children(dev, &children, &nchildren)) {
180 for (i = 0; i < nchildren; i++)
181 device_delete_child(dev, children[i]);
182 free(children, M_TEMP);
184 /* Free interrupts. */
185 if (ctlr->irq.r_irq) {
186 bus_teardown_intr(dev, ctlr->irq.r_irq,
188 bus_release_resource(dev, SYS_RES_IRQ,
189 ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
191 pci_release_msi(dev);
193 rman_fini(&ctlr->sc_iomem);
194 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
195 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
200 siis_suspend(device_t dev)
202 struct siis_controller *ctlr = device_get_softc(dev);
204 bus_generic_suspend(dev);
205 /* Put controller into reset state. */
206 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET);
211 siis_resume(device_t dev)
213 struct siis_controller *ctlr = device_get_softc(dev);
215 /* Put controller into reset state. */
216 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, SIIS_GCTL_GRESET);
218 /* Get controller out of reset state and enable port interrupts. */
219 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, 0x0000000f);
220 return (bus_generic_resume(dev));
224 siis_setup_interrupt(device_t dev)
226 struct siis_controller *ctlr = device_get_softc(dev);
230 resource_int_value(device_get_name(dev),
231 device_get_unit(dev), "msi", &msi);
235 msi = min(1, pci_msi_count(dev));
236 /* Allocate MSI if needed/present. */
237 if (msi && pci_alloc_msi(dev, &msi) != 0)
239 /* Allocate all IRQs. */
240 ctlr->irq.r_irq_rid = msi ? 1 : 0;
241 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
242 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
243 device_printf(dev, "unable to map interrupt\n");
246 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL,
247 siis_intr, ctlr, &ctlr->irq.handle))) {
248 /* SOS XXX release r_irq */
249 device_printf(dev, "unable to setup interrupt\n");
256 * Common case interrupt handler.
259 siis_intr(void *data)
261 struct siis_controller *ctlr = (struct siis_controller *)data;
266 is = ATA_INL(ctlr->r_gmem, SIIS_IS);
267 for (unit = 0; unit < ctlr->channels; unit++) {
268 if ((is & SIIS_IS_PORT(unit)) != 0 &&
269 (arg = ctlr->interrupt[unit].argument)) {
270 ctlr->interrupt[unit].function(arg);
275 static struct resource *
276 siis_alloc_resource(device_t dev, device_t child, int type, int *rid,
277 u_long start, u_long end, u_long count, u_int flags)
279 struct siis_controller *ctlr = device_get_softc(dev);
280 int unit = ((struct siis_channel *)device_get_softc(child))->unit;
281 struct resource *res = NULL;
282 int offset = unit << 13;
287 st = rman_get_start(ctlr->r_mem);
288 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
289 st + offset + 0x2000, 0x2000, RF_ACTIVE, child);
291 bus_space_handle_t bsh;
293 bsh = rman_get_bushandle(ctlr->r_mem);
294 bst = rman_get_bustag(ctlr->r_mem);
295 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh);
296 rman_set_bushandle(res, bsh);
297 rman_set_bustag(res, bst);
301 if (*rid == ATA_IRQ_RID)
302 res = ctlr->irq.r_irq;
309 siis_release_resource(device_t dev, device_t child, int type, int rid,
315 rman_release_resource(r);
318 if (rid != ATA_IRQ_RID)
326 siis_setup_intr(device_t dev, device_t child, struct resource *irq,
327 int flags, driver_filter_t *filter, driver_intr_t *function,
328 void *argument, void **cookiep)
330 struct siis_controller *ctlr = device_get_softc(dev);
331 int unit = (intptr_t)device_get_ivars(child);
333 if (filter != NULL) {
334 printf("siis.c: we cannot use a filter here\n");
337 ctlr->interrupt[unit].function = function;
338 ctlr->interrupt[unit].argument = argument;
343 siis_teardown_intr(device_t dev, device_t child, struct resource *irq,
346 struct siis_controller *ctlr = device_get_softc(dev);
347 int unit = (intptr_t)device_get_ivars(child);
349 ctlr->interrupt[unit].function = NULL;
350 ctlr->interrupt[unit].argument = NULL;
355 siis_print_child(device_t dev, device_t child)
359 retval = bus_print_child_header(dev, child);
360 retval += printf(" at channel %d",
361 (int)(intptr_t)device_get_ivars(child));
362 retval += bus_print_child_footer(dev, child);
367 devclass_t siis_devclass;
368 static device_method_t siis_methods[] = {
369 DEVMETHOD(device_probe, siis_probe),
370 DEVMETHOD(device_attach, siis_attach),
371 DEVMETHOD(device_detach, siis_detach),
372 DEVMETHOD(device_suspend, siis_suspend),
373 DEVMETHOD(device_resume, siis_resume),
374 DEVMETHOD(bus_print_child, siis_print_child),
375 DEVMETHOD(bus_alloc_resource, siis_alloc_resource),
376 DEVMETHOD(bus_release_resource, siis_release_resource),
377 DEVMETHOD(bus_setup_intr, siis_setup_intr),
378 DEVMETHOD(bus_teardown_intr,siis_teardown_intr),
381 static driver_t siis_driver = {
384 sizeof(struct siis_controller)
386 DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0);
387 MODULE_VERSION(siis, 1);
388 MODULE_DEPEND(siis, cam, 1, 1, 1);
391 siis_ch_probe(device_t dev)
394 device_set_desc_copy(dev, "SIIS channel");
399 siis_ch_attach(device_t dev)
401 struct siis_channel *ch = device_get_softc(dev);
402 struct cam_devq *devq;
406 ch->unit = (intptr_t)device_get_ivars(dev);
407 resource_int_value(device_get_name(dev),
408 device_get_unit(dev), "pm_level", &ch->pm_level);
409 resource_int_value(device_get_name(dev),
410 device_get_unit(dev), "sata_rev", &ch->sata_rev);
411 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF);
413 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
417 siis_slotsalloc(dev);
421 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
422 &rid, RF_SHAREABLE | RF_ACTIVE))) {
423 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
424 device_printf(dev, "Unable to map interrupt\n");
427 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
428 siis_ch_intr_locked, dev, &ch->ih))) {
429 device_printf(dev, "Unable to setup interrupt\n");
433 /* Create the device queue for our SIM. */
434 devq = cam_simq_alloc(SIIS_MAX_SLOTS);
436 device_printf(dev, "Unable to allocate simq\n");
440 /* Construct SIM entry */
441 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch,
442 device_get_unit(dev), &ch->mtx, SIIS_MAX_SLOTS, 0, devq);
443 if (ch->sim == NULL) {
444 device_printf(dev, "unable to allocate sim\n");
448 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
449 device_printf(dev, "unable to register xpt bus\n");
453 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
454 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
455 device_printf(dev, "unable to create path\n");
459 mtx_unlock(&ch->mtx);
463 xpt_bus_deregister(cam_sim_path(ch->sim));
465 cam_sim_free(ch->sim, /*free_devq*/TRUE);
467 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
468 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
469 mtx_unlock(&ch->mtx);
474 siis_ch_detach(device_t dev)
476 struct siis_channel *ch = device_get_softc(dev);
479 xpt_async(AC_LOST_DEVICE, ch->path, NULL);
480 xpt_free_path(ch->path);
481 xpt_bus_deregister(cam_sim_path(ch->sim));
482 cam_sim_free(ch->sim, /*free_devq*/TRUE);
483 mtx_unlock(&ch->mtx);
485 bus_teardown_intr(dev, ch->r_irq, ch->ih);
486 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
488 siis_ch_suspend(dev);
492 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
493 mtx_destroy(&ch->mtx);
498 siis_ch_suspend(device_t dev)
500 struct siis_channel *ch = device_get_softc(dev);
502 /* Put port into reset state. */
503 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
508 siis_ch_resume(device_t dev)
510 struct siis_channel *ch = device_get_softc(dev);
512 /* Get port out of reset state. */
513 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
514 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
515 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
516 /* Enable port interrupts */
517 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
521 devclass_t siisch_devclass;
522 static device_method_t siisch_methods[] = {
523 DEVMETHOD(device_probe, siis_ch_probe),
524 DEVMETHOD(device_attach, siis_ch_attach),
525 DEVMETHOD(device_detach, siis_ch_detach),
526 DEVMETHOD(device_suspend, siis_ch_suspend),
527 DEVMETHOD(device_resume, siis_ch_resume),
530 static driver_t siisch_driver = {
533 sizeof(struct siis_channel)
535 DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0);
537 struct siis_dc_cb_args {
543 siis_dmainit(device_t dev)
545 struct siis_channel *ch = device_get_softc(dev);
546 struct siis_dc_cb_args dcba;
549 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
550 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
551 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE,
552 0, NULL, NULL, &ch->dma.work_tag))
554 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0,
557 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
558 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) {
559 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
562 ch->dma.work_bus = dcba.maddr;
564 if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0,
565 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
567 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS,
568 SIIS_SG_ENTRIES, 0xFFFFFFFF,
569 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
575 device_printf(dev, "WARNING - DMA initialization failed\n");
580 siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
582 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc;
584 if (!(dcba->error = error))
585 dcba->maddr = segs[0].ds_addr;
589 siis_dmafini(device_t dev)
591 struct siis_channel *ch = device_get_softc(dev);
593 if (ch->dma.data_tag) {
594 bus_dma_tag_destroy(ch->dma.data_tag);
595 ch->dma.data_tag = NULL;
597 if (ch->dma.work_bus) {
598 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
599 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
600 ch->dma.work_bus = 0;
601 ch->dma.work_map = NULL;
604 if (ch->dma.work_tag) {
605 bus_dma_tag_destroy(ch->dma.work_tag);
606 ch->dma.work_tag = NULL;
611 siis_slotsalloc(device_t dev)
613 struct siis_channel *ch = device_get_softc(dev);
616 /* Alloc and setup command/dma slots */
617 bzero(ch->slot, sizeof(ch->slot));
618 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
619 struct siis_slot *slot = &ch->slot[i];
623 slot->state = SIIS_SLOT_EMPTY;
625 callout_init_mtx(&slot->timeout, &ch->mtx, 0);
627 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
628 device_printf(ch->dev, "FAILURE - create data_map\n");
633 siis_slotsfree(device_t dev)
635 struct siis_channel *ch = device_get_softc(dev);
638 /* Free all dma slots */
639 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
640 struct siis_slot *slot = &ch->slot[i];
642 if (slot->dma.data_map) {
643 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
644 slot->dma.data_map = NULL;
650 siis_notify_events(device_t dev)
652 struct siis_channel *ch = device_get_softc(dev);
653 struct cam_path *dpath;
657 status = ATA_INL(ch->r_mem, SIIS_P_SNTF);
658 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status);
660 device_printf(dev, "SNTF 0x%04x\n", status);
661 for (i = 0; i < 16; i++) {
662 if ((status & (1 << i)) == 0)
664 if (xpt_create_path(&dpath, NULL,
665 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
666 xpt_async(AC_SCSI_AEN, dpath, NULL);
667 xpt_free_path(dpath);
674 siis_phy_check_events(device_t dev)
676 struct siis_channel *ch = device_get_softc(dev);
678 /* If we have a connection event, deal with it */
679 if (ch->pm_level == 0) {
680 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
681 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
682 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
683 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) {
685 device_printf(dev, "CONNECT requested\n");
689 device_printf(dev, "DISCONNECT requested\n");
696 siis_ch_intr_locked(void *data)
698 device_t dev = (device_t)data;
699 struct siis_channel *ch = device_get_softc(dev);
703 mtx_unlock(&ch->mtx);
707 siis_ch_intr(void *data)
709 device_t dev = (device_t)data;
710 struct siis_channel *ch = device_get_softc(dev);
711 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0;
712 enum siis_err_type et;
713 int i, ccs, port, tslots;
715 mtx_assert(&ch->mtx, MA_OWNED);
716 /* Read command statuses. */
717 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS);
718 ok = ch->rslots & ~sstatus;
719 /* Complete all successfull commands. */
720 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
722 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE);
724 /* Do we have any other events? */
725 if ((sstatus & SIIS_P_SS_ATTN) == 0)
727 /* Read and clear interrupt statuses. */
728 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) &
729 (0xFFFF & ~SIIS_P_IX_COMMCOMP);
730 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus);
731 /* Process PHY events */
732 if (istatus & SIIS_P_IX_PHYRDYCHG)
733 siis_phy_check_events(dev);
734 /* Process NOTIFY events */
735 if (istatus & SIIS_P_IX_SDBN)
736 siis_notify_events(dev);
737 /* Process command errors */
738 if (istatus & SIIS_P_IX_COMMERR) {
739 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR);
740 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX);
741 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT;
742 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT;
743 err = ch->rslots & sstatus;
744 //device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n",
745 // __func__, sstatus, istatus, ch->rslots, estatus, ccs, port,
746 // ATA_INL(ch->r_mem, SIIS_P_SERR));
748 if (!ch->readlog && !ch->recovery) {
749 xpt_freeze_simq(ch->sim, ch->numrslots);
753 union ccb *fccb = ch->frozen;
755 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
758 if (estatus == SIIS_P_CMDERR_DEV ||
759 estatus == SIIS_P_CMDERR_SDB ||
760 estatus == SIIS_P_CMDERR_DATAFIS) {
761 tslots = ch->numtslots[port];
762 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
763 /* XXX: reqests in loading state. */
764 if (((ch->rslots >> i) & 1) == 0)
766 if (ch->slot[i].ccb->ccb_h.target_id != port)
769 /* Untagged operation. */
773 et = SIIS_ERR_INNOCENT;
775 /* Tagged operation. */
778 siis_end_transaction(&ch->slot[i], et);
781 * We can't reinit port if there are some other
782 * commands active, use resume to complete them.
785 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME);
787 if (estatus == SIIS_P_CMDERR_SENDFIS ||
788 estatus == SIIS_P_CMDERR_INCSTATE ||
789 estatus == SIIS_P_CMDERR_PPE ||
790 estatus == SIIS_P_CMDERR_SERVICE) {
793 et = SIIS_ERR_INVALID;
794 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
795 /* XXX: reqests in loading state. */
796 if (((ch->rslots >> i) & 1) == 0)
798 siis_end_transaction(&ch->slot[i], et);
804 /* Must be called with channel locked. */
806 siis_check_collision(device_t dev, union ccb *ccb)
808 struct siis_channel *ch = device_get_softc(dev);
810 mtx_assert(&ch->mtx, MA_OWNED);
811 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
812 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
813 /* Atomic command while anything active. */
814 if (ch->numrslots != 0)
817 /* We have some atomic command running. */
823 /* Must be called with channel locked. */
825 siis_begin_transaction(device_t dev, union ccb *ccb)
827 struct siis_channel *ch = device_get_softc(dev);
828 struct siis_slot *slot;
831 mtx_assert(&ch->mtx, MA_OWNED);
832 /* Choose empty slot. */
836 if (tag >= SIIS_MAX_SLOTS)
838 if (ch->slot[tag].state == SIIS_SLOT_EMPTY)
840 } while (tag != ch->lastslot);
841 if (ch->slot[tag].state != SIIS_SLOT_EMPTY)
842 device_printf(ch->dev, "ALL SLOTS BUSY!\n");
844 /* Occupy chosen slot. */
845 slot = &ch->slot[tag];
847 /* Update channel stats. */
849 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
850 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
851 ch->numtslots[ccb->ccb_h.target_id]++;
853 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
854 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
855 ch->aslots |= (1 << slot->slot);
857 /* If request moves data, setup and load SG list */
858 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
862 slot->state = SIIS_SLOT_LOADING;
863 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
864 buf = ccb->ataio.data_ptr;
865 size = ccb->ataio.dxfer_len;
867 buf = ccb->csio.data_ptr;
868 size = ccb->csio.dxfer_len;
870 bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map,
871 buf, size, siis_dmasetprd, slot, 0);
873 siis_execute_transaction(slot);
876 /* Locked by busdma engine. */
878 siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
880 struct siis_slot *slot = arg;
881 struct siis_channel *ch = device_get_softc(slot->dev);
882 struct siis_cmd *ctp;
883 struct siis_dma_prd *prd;
886 mtx_assert(&ch->mtx, MA_OWNED);
888 device_printf(slot->dev, "DMA load error\n");
890 xpt_freeze_simq(ch->sim, 1);
891 siis_end_transaction(slot, SIIS_ERR_INVALID);
894 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n"));
895 /* Get a piece of the workspace for this request */
896 ctp = (struct siis_cmd *)
897 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot));
899 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO)
900 prd = &ctp->u.ata.prd[0];
902 prd = &ctp->u.atapi.prd[0];
903 for (i = 0; i < nsegs; i++) {
904 prd[i].dba = htole64(segs[i].ds_addr);
905 prd[i].dbc = htole32(segs[i].ds_len);
908 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM);
909 slot->dma.nsegs = nsegs;
910 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
911 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
912 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
913 siis_execute_transaction(slot);
916 /* Must be called with channel locked. */
918 siis_execute_transaction(struct siis_slot *slot)
920 device_t dev = slot->dev;
921 struct siis_channel *ch = device_get_softc(dev);
922 struct siis_cmd *ctp;
923 union ccb *ccb = slot->ccb;
926 mtx_assert(&ch->mtx, MA_OWNED);
927 /* Get a piece of the workspace for this request */
928 ctp = (struct siis_cmd *)
929 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot));
931 ctp->protocol_override = 0;
932 ctp->transfer_count = 0;
933 /* Special handling for Soft Reset command. */
934 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
935 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) {
936 ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
937 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
938 if (ccb->ccb_h.flags & CAM_DIR_IN)
939 ctp->control |= htole16(SIIS_PRB_PACKET_READ);
940 if (ccb->ccb_h.flags & CAM_DIR_OUT)
941 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE);
943 /* Setup the FIS for this request */
944 if (!siis_setup_fis(ctp, ccb, slot->slot)) {
945 device_printf(ch->dev, "Setting up SATA FIS failed\n");
947 xpt_freeze_simq(ch->sim, 1);
948 siis_end_transaction(slot, SIIS_ERR_INVALID);
951 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
952 BUS_DMASYNC_PREWRITE);
953 /* Issue command to the controller. */
954 slot->state = SIIS_SLOT_RUNNING;
955 ch->rslots |= (1 << slot->slot);
956 prb_bus = ch->dma.work_bus +
957 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot);
958 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus);
959 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32);
960 /* Start command execution timeout */
961 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000,
962 (timeout_t*)siis_timeout, slot);
966 /* Locked by callout mechanism. */
968 siis_timeout(struct siis_slot *slot)
970 device_t dev = slot->dev;
971 struct siis_channel *ch = device_get_softc(dev);
974 mtx_assert(&ch->mtx, MA_OWNED);
975 device_printf(dev, "Timeout on slot %d\n", slot->slot);
976 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n",
977 __func__, ATA_INL(ch->r_mem, SIIS_P_IS), ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots,
978 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS),
979 ATA_INL(ch->r_mem, SIIS_P_SERR));
980 /* Kick controller into sane state. */
981 siis_portinit(ch->dev);
984 xpt_freeze_simq(ch->sim, ch->numrslots);
985 /* Handle command with timeout. */
986 siis_end_transaction(&ch->slot[slot->slot], SIIS_ERR_TIMEOUT);
987 /* Handle the rest of commands. */
989 union ccb *fccb = ch->frozen;
991 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
994 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
995 /* Do we have a running request on slot? */
996 if (ch->slot[i].state < SIIS_SLOT_RUNNING)
998 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT);
1002 /* Must be called with channel locked. */
1004 siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
1006 device_t dev = slot->dev;
1007 struct siis_channel *ch = device_get_softc(dev);
1008 union ccb *ccb = slot->ccb;
1010 mtx_assert(&ch->mtx, MA_OWNED);
1011 /* Cancel command execution timeout */
1012 callout_stop(&slot->timeout);
1013 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1014 BUS_DMASYNC_POSTWRITE);
1015 /* Read result registers to the result struct
1016 * May be incorrect if several commands finished same time,
1017 * so read only when sure or have to.
1019 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1020 struct ata_res *res = &ccb->ataio.res;
1021 if ((et == SIIS_ERR_TFE) ||
1022 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
1023 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8;
1025 res->status = ATA_INB(ch->r_mem, offs + 2);
1026 res->error = ATA_INB(ch->r_mem, offs + 3);
1027 res->lba_low = ATA_INB(ch->r_mem, offs + 4);
1028 res->lba_mid = ATA_INB(ch->r_mem, offs + 5);
1029 res->lba_high = ATA_INB(ch->r_mem, offs + 6);
1030 res->device = ATA_INB(ch->r_mem, offs + 7);
1031 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8);
1032 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9);
1033 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10);
1034 res->sector_count = ATA_INB(ch->r_mem, offs + 12);
1035 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13);
1037 bzero(res, sizeof(*res));
1039 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1040 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
1041 (ccb->ccb_h.flags & CAM_DIR_IN) ?
1042 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1043 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
1045 /* Set proper result status. */
1046 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1047 if (et != SIIS_ERR_NONE || ch->recovery) {
1048 ch->eslots |= (1 << slot->slot);
1049 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1053 ccb->ccb_h.status |= CAM_REQ_CMP;
1054 if (ccb->ccb_h.func_code == XPT_SCSI_IO)
1055 ccb->csio.scsi_status = SCSI_STATUS_OK;
1057 case SIIS_ERR_INVALID:
1058 ccb->ccb_h.status |= CAM_REQ_INVALID;
1060 case SIIS_ERR_INNOCENT:
1061 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1064 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1065 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
1066 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1068 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
1072 ccb->ccb_h.status |= CAM_UNCOR_PARITY;
1074 case SIIS_ERR_TIMEOUT:
1075 ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
1078 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
1081 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
1084 ch->rslots &= ~(1 << slot->slot);
1085 ch->aslots &= ~(1 << slot->slot);
1086 slot->state = SIIS_SLOT_EMPTY;
1088 /* Update channel stats. */
1090 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1091 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1092 ch->numtslots[ccb->ccb_h.target_id]--;
1094 /* If it was NCQ command error, put result on hold. */
1095 if (et == SIIS_ERR_NCQ) {
1096 ch->hold[slot->slot] = ccb;
1098 } else if (ch->readlog) /* If it was our READ LOG command - process it. */
1099 siis_process_read_log(dev, ccb);
1102 /* Unfreeze frozen command. */
1103 if (ch->frozen && ch->numrslots == 0) {
1104 union ccb *fccb = ch->frozen;
1106 siis_begin_transaction(dev, fccb);
1107 xpt_release_simq(ch->sim, TRUE);
1109 /* If we have no other active commands, ... */
1110 if (ch->rslots == 0) {
1111 /* if we have slots in error, we can reinit port. */
1112 if (ch->eslots != 0)
1114 /* if there commands on hold, we can do READ LOG. */
1115 if (!ch->readlog && ch->numhslots)
1116 siis_issue_read_log(dev);
1121 siis_issue_read_log(device_t dev)
1123 struct siis_channel *ch = device_get_softc(dev);
1125 struct ccb_ataio *ataio;
1128 /* Find some holden command. */
1129 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1133 if (i == SIIS_MAX_SLOTS)
1136 ccb = xpt_alloc_ccb_nowait();
1138 device_printf(dev, "Unable allocate READ LOG command");
1141 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
1142 ccb->ccb_h.func_code = XPT_ATA_IO;
1143 ccb->ccb_h.flags = CAM_DIR_IN;
1144 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
1145 ataio = &ccb->ataio;
1146 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT);
1147 if (ataio->data_ptr == NULL) {
1148 device_printf(dev, "Unable allocate memory for READ LOG command");
1151 ataio->dxfer_len = 512;
1152 bzero(&ataio->cmd, sizeof(ataio->cmd));
1153 ataio->cmd.flags = CAM_ATAIO_48BIT;
1154 ataio->cmd.command = 0x2F; /* READ LOG EXT */
1155 ataio->cmd.sector_count = 1;
1156 ataio->cmd.sector_count_exp = 0;
1157 ataio->cmd.lba_low = 0x10;
1158 ataio->cmd.lba_mid = 0;
1159 ataio->cmd.lba_mid_exp = 0;
1160 siis_begin_transaction(dev, ccb);
1164 siis_process_read_log(device_t dev, union ccb *ccb)
1166 struct siis_channel *ch = device_get_softc(dev);
1168 struct ata_res *res;
1172 data = ccb->ataio.data_ptr;
1173 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
1174 (data[0] & 0x80) == 0) {
1175 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1178 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
1180 if ((data[0] & 0x1F) == i) {
1181 res = &ch->hold[i]->ataio.res;
1182 res->status = data[2];
1183 res->error = data[3];
1184 res->lba_low = data[4];
1185 res->lba_mid = data[5];
1186 res->lba_high = data[6];
1187 res->device = data[7];
1188 res->lba_low_exp = data[8];
1189 res->lba_mid_exp = data[9];
1190 res->lba_high_exp = data[10];
1191 res->sector_count = data[12];
1192 res->sector_count_exp = data[13];
1194 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
1195 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
1197 xpt_done(ch->hold[i]);
1202 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
1203 device_printf(dev, "Error while READ LOG EXT\n");
1204 else if ((data[0] & 0x80) == 0) {
1205 device_printf(dev, "Non-queued command error in READ LOG EXT\n");
1207 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1210 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
1212 xpt_done(ch->hold[i]);
1217 free(ccb->ataio.data_ptr, M_SIIS);
1222 siis_portinit(device_t dev)
1224 struct siis_channel *ch = device_get_softc(dev);
1229 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME);
1230 for (i = 0; i < 16; i++) {
1231 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0),
1232 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0);
1234 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT);
1235 siis_wait_ready(dev, 1000);
1240 siis_devreset(device_t dev)
1242 struct siis_channel *ch = device_get_softc(dev);
1244 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET);
1245 siis_wait_ready(dev, 1000);
1250 siis_wait_ready(device_t dev, int t)
1252 struct siis_channel *ch = device_get_softc(dev);
1256 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
1257 SIIS_P_CTL_READY) == 0) {
1259 if (timeout++ > t) {
1260 device_printf(dev, "port is not ready (timeout %dms) "
1261 "status = %08x\n", t, val);
1266 device_printf(dev, "ready wait time=%dms\n", timeout);
1271 siis_reset(device_t dev)
1273 struct siis_channel *ch = device_get_softc(dev);
1277 device_printf(dev, "SIIS reset...\n");
1278 xpt_freeze_simq(ch->sim, ch->numrslots);
1279 /* Requeue freezed command. */
1281 union ccb *fccb = ch->frozen;
1283 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1286 /* Disable port interrupts */
1287 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF);
1288 /* Kill the engine and requeue all running commands. */
1290 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1291 /* Do we have a running request on slot? */
1292 if (ch->slot[i].state < SIIS_SLOT_RUNNING)
1294 /* XXX; Commands in loading state. */
1295 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT);
1297 /* Reset and reconnect PHY, */
1298 if (!siis_sata_phy_reset(dev)) {
1300 /* Enable port interrupts */
1301 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
1304 "SIIS reset done: phy reset found no device\n");
1305 /* Tell the XPT about the event */
1306 xpt_async(AC_BUS_RESET, ch->path, NULL);
1309 /* Wait for clearing busy status. */
1310 if (siis_wait_ready(dev, 10000)) {
1311 device_printf(dev, "device ready timeout\n");
1314 /* Enable port interrupts */
1315 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF);
1316 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
1318 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices);
1319 /* Tell the XPT about the event */
1320 xpt_async(AC_BUS_RESET, ch->path, NULL);
1324 siis_setup_fis(struct siis_cmd *ctp, union ccb *ccb, int tag)
1326 u_int8_t *fis = &ctp->fis[0];
1329 fis[0] = 0x27; /* host to device */
1330 fis[1] = (ccb->ccb_h.target_id & 0x0f);
1331 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1333 fis[2] = ATA_PACKET_CMD;
1334 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE)
1337 fis[5] = ccb->csio.dxfer_len;
1338 fis[6] = ccb->csio.dxfer_len >> 8;
1341 fis[15] = ATA_A_4BIT;
1342 bzero(ctp->u.atapi.ccb, 16);
1343 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1344 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
1345 ctp->u.atapi.ccb, ccb->csio.cdb_len);
1346 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
1348 fis[2] = ccb->ataio.cmd.command;
1349 fis[3] = ccb->ataio.cmd.features;
1350 fis[4] = ccb->ataio.cmd.lba_low;
1351 fis[5] = ccb->ataio.cmd.lba_mid;
1352 fis[6] = ccb->ataio.cmd.lba_high;
1353 fis[7] = ccb->ataio.cmd.device;
1354 fis[8] = ccb->ataio.cmd.lba_low_exp;
1355 fis[9] = ccb->ataio.cmd.lba_mid_exp;
1356 fis[10] = ccb->ataio.cmd.lba_high_exp;
1357 fis[11] = ccb->ataio.cmd.features_exp;
1358 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
1362 fis[12] = ccb->ataio.cmd.sector_count;
1363 fis[13] = ccb->ataio.cmd.sector_count_exp;
1365 fis[15] = ATA_A_4BIT;
1373 siis_sata_connect(struct siis_channel *ch)
1378 /* Wait up to 100ms for "connect well" */
1379 for (timeout = 0; timeout < 100 ; timeout++) {
1380 status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
1381 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
1382 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
1383 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
1387 if (timeout >= 100) {
1389 device_printf(ch->dev, "SATA connect timeout status=%08x\n",
1395 device_printf(ch->dev, "SATA connect time=%dms status=%08x\n",
1398 /* Clear SATA error register */
1399 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff);
1404 siis_sata_phy_reset(device_t dev)
1406 struct siis_channel *ch = device_get_softc(dev);
1410 device_printf(dev, "hardware reset ...\n");
1411 ATA_OUTL(ch->r_mem, SIIS_P_SCTL, ATA_SC_IPM_DIS_PARTIAL |
1412 ATA_SC_IPM_DIS_SLUMBER | ATA_SC_DET_RESET);
1414 if (ch->sata_rev == 1)
1415 val = ATA_SC_SPD_SPEED_GEN1;
1416 else if (ch->sata_rev == 2)
1417 val = ATA_SC_SPD_SPEED_GEN2;
1418 else if (ch->sata_rev == 3)
1419 val = ATA_SC_SPD_SPEED_GEN3;
1422 ATA_OUTL(ch->r_mem, SIIS_P_SCTL,
1423 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
1424 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
1426 return (siis_sata_connect(ch));
1430 siisaction(struct cam_sim *sim, union ccb *ccb)
1433 struct siis_channel *ch;
1435 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n",
1436 ccb->ccb_h.func_code));
1438 ch = (struct siis_channel *)cam_sim_softc(sim);
1440 mtx_assert(&ch->mtx, MA_OWNED);
1441 switch (ccb->ccb_h.func_code) {
1442 /* Common cases first */
1443 case XPT_ATA_IO: /* Execute the requested I/O operation */
1445 if (ch->devices == 0) {
1446 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1450 /* Check for command collision. */
1451 if (siis_check_collision(dev, ccb)) {
1452 /* Freeze command. */
1454 /* We have only one frozen slot, so freeze simq also. */
1455 xpt_freeze_simq(ch->sim, 1);
1458 siis_begin_transaction(dev, ccb);
1460 case XPT_EN_LUN: /* Enable LUN as a target */
1461 case XPT_TARGET_IO: /* Execute target I/O request */
1462 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
1463 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
1464 case XPT_ABORT: /* Abort the specified CCB */
1466 ccb->ccb_h.status = CAM_REQ_INVALID;
1469 case XPT_SET_TRAN_SETTINGS:
1471 struct ccb_trans_settings *cts = &ccb->cts;
1473 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) {
1474 if (cts->xport_specific.sata.pm_present)
1475 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
1477 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
1479 ccb->ccb_h.status = CAM_REQ_CMP;
1483 case XPT_GET_TRAN_SETTINGS:
1484 /* Get default/user set transfer settings for the target */
1486 struct ccb_trans_settings *cts = &ccb->cts;
1489 cts->protocol = PROTO_ATA;
1490 cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
1491 cts->transport = XPORT_SATA;
1492 cts->transport_version = XPORT_VERSION_UNSPECIFIED;
1493 cts->proto_specific.valid = 0;
1494 cts->xport_specific.sata.valid = 0;
1495 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1496 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK;
1498 status = ATA_INL(ch->r_mem, SIIS_P_SCTL) & ATA_SC_SPD_MASK;
1499 if (status & ATA_SS_SPD_GEN3) {
1500 cts->xport_specific.sata.bitrate = 600000;
1501 cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED;
1502 } else if (status & ATA_SS_SPD_GEN2) {
1503 cts->xport_specific.sata.bitrate = 300000;
1504 cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED;
1505 } else if (status & ATA_SS_SPD_GEN1) {
1506 cts->xport_specific.sata.bitrate = 150000;
1507 cts->xport_specific.sata.valid |= CTS_SATA_VALID_SPEED;
1509 cts->xport_specific.sata.pm_present =
1510 (ATA_INL(ch->r_mem, SIIS_P_STS) & SIIS_P_CTL_PME) ?
1512 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
1513 ccb->ccb_h.status = CAM_REQ_CMP;
1518 case XPT_CALC_GEOMETRY:
1520 struct ccb_calc_geometry *ccg;
1522 uint32_t secs_per_cylinder;
1525 size_mb = ccg->volume_size
1526 / ((1024L * 1024L) / ccg->block_size);
1527 if (size_mb >= 1024 && (aha->extended_trans != 0)) {
1528 if (size_mb >= 2048) {
1530 ccg->secs_per_track = 63;
1533 ccg->secs_per_track = 32;
1537 ccg->secs_per_track = 32;
1539 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1540 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1541 ccb->ccb_h.status = CAM_REQ_CMP;
1546 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1547 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1549 ccb->ccb_h.status = CAM_REQ_CMP;
1552 case XPT_TERM_IO: /* Terminate the I/O process */
1554 ccb->ccb_h.status = CAM_REQ_INVALID;
1557 case XPT_PATH_INQ: /* Path routing inquiry */
1559 struct ccb_pathinq *cpi = &ccb->cpi;
1561 cpi->version_num = 1; /* XXX??? */
1562 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE;
1563 cpi->hba_inquiry |= PI_SATAPM;
1564 cpi->target_sprt = 0;
1565 cpi->hba_misc = PIM_SEQSCAN;
1566 cpi->hba_eng_cnt = 0;
1567 cpi->max_target = 14;
1569 cpi->initiator_id = 0;
1570 cpi->bus_id = cam_sim_bus(sim);
1571 cpi->base_transfer_speed = 150000;
1572 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1573 strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN);
1574 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1575 cpi->unit_number = cam_sim_unit(sim);
1576 cpi->transport = XPORT_SATA;
1577 cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
1578 cpi->protocol = PROTO_ATA;
1579 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
1580 cpi->ccb_h.status = CAM_REQ_CMP;
1581 cpi->maxio = MAXPHYS;
1586 ccb->ccb_h.status = CAM_REQ_INVALID;
1593 siispoll(struct cam_sim *sim)
1595 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim);
1597 siis_ch_intr(ch->dev);