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_debug.h>
57 /* local prototypes */
58 static int siis_setup_interrupt(device_t dev);
59 static void siis_intr(void *data);
60 static int siis_suspend(device_t dev);
61 static int siis_resume(device_t dev);
62 static int siis_ch_suspend(device_t dev);
63 static int siis_ch_resume(device_t dev);
64 static void siis_ch_intr_locked(void *data);
65 static void siis_ch_intr(void *data);
66 static void siis_begin_transaction(device_t dev, union ccb *ccb);
67 static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
68 static void siis_execute_transaction(struct siis_slot *slot);
69 static void siis_timeout(struct siis_slot *slot);
70 static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et);
71 static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag);
72 static void siis_dmainit(device_t dev);
73 static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
74 static void siis_dmafini(device_t dev);
75 static void siis_slotsalloc(device_t dev);
76 static void siis_slotsfree(device_t dev);
77 static void siis_reset(device_t dev);
78 static void siis_portinit(device_t dev);
79 static int siis_wait_ready(device_t dev, int t);
81 static int siis_sata_connect(struct siis_channel *ch);
83 static void siis_issue_read_log(device_t dev);
84 static void siis_process_read_log(device_t dev, union ccb *ccb);
86 static void siisaction(struct cam_sim *sim, union ccb *ccb);
87 static void siispoll(struct cam_sim *sim);
89 MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers");
98 {0x31241095, "SiI3124", 4, 0},
99 {0x31248086, "SiI3124", 4, 0},
100 {0x31321095, "SiI3132", 2, SIIS_Q_SNTF},
101 {0x02421095, "SiI3132", 2, SIIS_Q_SNTF},
102 {0x02441095, "SiI3132", 2, SIIS_Q_SNTF},
103 {0x31311095, "SiI3131", 1, SIIS_Q_SNTF},
104 {0x35311095, "SiI3531", 1, SIIS_Q_SNTF},
109 siis_probe(device_t dev)
113 uint32_t devid = pci_get_devid(dev);
115 for (i = 0; siis_ids[i].id != 0; i++) {
116 if (siis_ids[i].id == devid) {
117 snprintf(buf, sizeof(buf), "%s SATA controller",
119 device_set_desc_copy(dev, buf);
120 return (BUS_PROBE_VENDOR);
127 siis_attach(device_t dev)
129 struct siis_controller *ctlr = device_get_softc(dev);
130 uint32_t devid = pci_get_devid(dev);
135 for (i = 0; siis_ids[i].id != 0; i++) {
136 if (siis_ids[i].id == devid)
139 ctlr->quirks = siis_ids[i].quirks;
141 ctlr->r_grid = PCIR_BAR(0);
142 if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
143 &ctlr->r_grid, RF_ACTIVE)))
145 ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL);
146 /* Channels memory */
147 ctlr->r_rid = PCIR_BAR(2);
148 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
149 &ctlr->r_rid, RF_ACTIVE)))
151 /* Setup our own memory management for channels. */
152 ctlr->sc_iomem.rm_type = RMAN_ARRAY;
153 ctlr->sc_iomem.rm_descr = "I/O memory addresses";
154 if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
155 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
156 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
159 if ((error = rman_manage_region(&ctlr->sc_iomem,
160 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
161 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
162 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
163 rman_fini(&ctlr->sc_iomem);
166 /* Reset controller */
168 /* Number of HW channels */
169 ctlr->channels = siis_ids[i].ports;
170 /* Setup interrupts. */
171 if (siis_setup_interrupt(dev)) {
172 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
173 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
174 rman_fini(&ctlr->sc_iomem);
177 /* Attach all channels on this controller */
178 for (unit = 0; unit < ctlr->channels; unit++) {
179 child = device_add_child(dev, "siisch", -1);
181 device_printf(dev, "failed to add channel device\n");
183 device_set_ivars(child, (void *)(intptr_t)unit);
185 bus_generic_attach(dev);
190 siis_detach(device_t dev)
192 struct siis_controller *ctlr = device_get_softc(dev);
196 /* Detach & delete all children */
197 if (!device_get_children(dev, &children, &nchildren)) {
198 for (i = 0; i < nchildren; i++)
199 device_delete_child(dev, children[i]);
200 free(children, M_TEMP);
202 /* Free interrupts. */
203 if (ctlr->irq.r_irq) {
204 bus_teardown_intr(dev, ctlr->irq.r_irq,
206 bus_release_resource(dev, SYS_RES_IRQ,
207 ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
209 pci_release_msi(dev);
211 rman_fini(&ctlr->sc_iomem);
212 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
213 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
218 siis_suspend(device_t dev)
220 struct siis_controller *ctlr = device_get_softc(dev);
222 bus_generic_suspend(dev);
223 /* Put controller into reset state. */
224 ctlr->gctl |= SIIS_GCTL_GRESET;
225 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
230 siis_resume(device_t dev)
232 struct siis_controller *ctlr = device_get_softc(dev);
234 /* Set PCIe max read request size to at least 1024 bytes */
235 if (pci_get_max_read_req(dev) < 1024)
236 pci_set_max_read_req(dev, 1024);
237 /* Put controller into reset state. */
238 ctlr->gctl |= SIIS_GCTL_GRESET;
239 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
241 /* Get controller out of reset state and enable port interrupts. */
242 ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE);
243 ctlr->gctl |= 0x0000000f;
244 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
245 return (bus_generic_resume(dev));
249 siis_setup_interrupt(device_t dev)
251 struct siis_controller *ctlr = device_get_softc(dev);
255 resource_int_value(device_get_name(dev),
256 device_get_unit(dev), "msi", &msi);
260 msi = min(1, pci_msi_count(dev));
261 /* Allocate MSI if needed/present. */
262 if (msi && pci_alloc_msi(dev, &msi) != 0)
264 /* Allocate all IRQs. */
265 ctlr->irq.r_irq_rid = msi ? 1 : 0;
266 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
267 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
268 device_printf(dev, "unable to map interrupt\n");
271 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL,
272 siis_intr, ctlr, &ctlr->irq.handle))) {
273 /* SOS XXX release r_irq */
274 device_printf(dev, "unable to setup interrupt\n");
281 * Common case interrupt handler.
284 siis_intr(void *data)
286 struct siis_controller *ctlr = (struct siis_controller *)data;
291 is = ATA_INL(ctlr->r_gmem, SIIS_IS);
292 for (unit = 0; unit < ctlr->channels; unit++) {
293 if ((is & SIIS_IS_PORT(unit)) != 0 &&
294 (arg = ctlr->interrupt[unit].argument)) {
295 ctlr->interrupt[unit].function(arg);
298 /* Acknowledge interrupt, if MSI enabled. */
299 if (ctlr->irq.r_irq_rid) {
300 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL,
301 ctlr->gctl | SIIS_GCTL_MSIACK);
305 static struct resource *
306 siis_alloc_resource(device_t dev, device_t child, int type, int *rid,
307 u_long start, u_long end, u_long count, u_int flags)
309 struct siis_controller *ctlr = device_get_softc(dev);
310 int unit = ((struct siis_channel *)device_get_softc(child))->unit;
311 struct resource *res = NULL;
312 int offset = unit << 13;
317 st = rman_get_start(ctlr->r_mem);
318 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
319 st + offset + 0x2000, 0x2000, RF_ACTIVE, child);
321 bus_space_handle_t bsh;
323 bsh = rman_get_bushandle(ctlr->r_mem);
324 bst = rman_get_bustag(ctlr->r_mem);
325 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh);
326 rman_set_bushandle(res, bsh);
327 rman_set_bustag(res, bst);
331 if (*rid == ATA_IRQ_RID)
332 res = ctlr->irq.r_irq;
339 siis_release_resource(device_t dev, device_t child, int type, int rid,
345 rman_release_resource(r);
348 if (rid != ATA_IRQ_RID)
356 siis_setup_intr(device_t dev, device_t child, struct resource *irq,
357 int flags, driver_filter_t *filter, driver_intr_t *function,
358 void *argument, void **cookiep)
360 struct siis_controller *ctlr = device_get_softc(dev);
361 int unit = (intptr_t)device_get_ivars(child);
363 if (filter != NULL) {
364 printf("siis.c: we cannot use a filter here\n");
367 ctlr->interrupt[unit].function = function;
368 ctlr->interrupt[unit].argument = argument;
373 siis_teardown_intr(device_t dev, device_t child, struct resource *irq,
376 struct siis_controller *ctlr = device_get_softc(dev);
377 int unit = (intptr_t)device_get_ivars(child);
379 ctlr->interrupt[unit].function = NULL;
380 ctlr->interrupt[unit].argument = NULL;
385 siis_print_child(device_t dev, device_t child)
389 retval = bus_print_child_header(dev, child);
390 retval += printf(" at channel %d",
391 (int)(intptr_t)device_get_ivars(child));
392 retval += bus_print_child_footer(dev, child);
397 devclass_t siis_devclass;
398 static device_method_t siis_methods[] = {
399 DEVMETHOD(device_probe, siis_probe),
400 DEVMETHOD(device_attach, siis_attach),
401 DEVMETHOD(device_detach, siis_detach),
402 DEVMETHOD(device_suspend, siis_suspend),
403 DEVMETHOD(device_resume, siis_resume),
404 DEVMETHOD(bus_print_child, siis_print_child),
405 DEVMETHOD(bus_alloc_resource, siis_alloc_resource),
406 DEVMETHOD(bus_release_resource, siis_release_resource),
407 DEVMETHOD(bus_setup_intr, siis_setup_intr),
408 DEVMETHOD(bus_teardown_intr,siis_teardown_intr),
411 static driver_t siis_driver = {
414 sizeof(struct siis_controller)
416 DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0);
417 MODULE_VERSION(siis, 1);
418 MODULE_DEPEND(siis, cam, 1, 1, 1);
421 siis_ch_probe(device_t dev)
424 device_set_desc_copy(dev, "SIIS channel");
429 siis_ch_attach(device_t dev)
431 struct siis_controller *ctlr = device_get_softc(device_get_parent(dev));
432 struct siis_channel *ch = device_get_softc(dev);
433 struct cam_devq *devq;
434 int rid, error, i, sata_rev = 0;
437 ch->unit = (intptr_t)device_get_ivars(dev);
438 ch->quirks = ctlr->quirks;
439 resource_int_value(device_get_name(dev),
440 device_get_unit(dev), "pm_level", &ch->pm_level);
441 resource_int_value(device_get_name(dev),
442 device_get_unit(dev), "sata_rev", &sata_rev);
443 for (i = 0; i < 16; i++) {
444 ch->user[i].revision = sata_rev;
445 ch->user[i].mode = 0;
446 ch->user[i].bytecount = 8192;
447 ch->user[i].tags = SIIS_MAX_SLOTS;
448 ch->curr[i] = ch->user[i];
450 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF);
452 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
456 siis_slotsalloc(dev);
460 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
461 &rid, RF_SHAREABLE | RF_ACTIVE))) {
462 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
463 device_printf(dev, "Unable to map interrupt\n");
466 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
467 siis_ch_intr_locked, dev, &ch->ih))) {
468 device_printf(dev, "Unable to setup interrupt\n");
472 /* Create the device queue for our SIM. */
473 devq = cam_simq_alloc(SIIS_MAX_SLOTS);
475 device_printf(dev, "Unable to allocate simq\n");
479 /* Construct SIM entry */
480 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch,
481 device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq);
482 if (ch->sim == NULL) {
483 device_printf(dev, "unable to allocate sim\n");
487 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
488 device_printf(dev, "unable to register xpt bus\n");
492 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
493 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
494 device_printf(dev, "unable to create path\n");
498 mtx_unlock(&ch->mtx);
502 xpt_bus_deregister(cam_sim_path(ch->sim));
504 cam_sim_free(ch->sim, /*free_devq*/TRUE);
506 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
507 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
508 mtx_unlock(&ch->mtx);
513 siis_ch_detach(device_t dev)
515 struct siis_channel *ch = device_get_softc(dev);
518 xpt_async(AC_LOST_DEVICE, ch->path, NULL);
519 xpt_free_path(ch->path);
520 xpt_bus_deregister(cam_sim_path(ch->sim));
521 cam_sim_free(ch->sim, /*free_devq*/TRUE);
522 mtx_unlock(&ch->mtx);
524 bus_teardown_intr(dev, ch->r_irq, ch->ih);
525 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
527 siis_ch_suspend(dev);
531 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
532 mtx_destroy(&ch->mtx);
537 siis_ch_suspend(device_t dev)
539 struct siis_channel *ch = device_get_softc(dev);
541 /* Put port into reset state. */
542 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
547 siis_ch_resume(device_t dev)
549 struct siis_channel *ch = device_get_softc(dev);
551 /* Get port out of reset state. */
552 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
553 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
555 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
557 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
558 /* Enable port interrupts */
559 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
563 devclass_t siisch_devclass;
564 static device_method_t siisch_methods[] = {
565 DEVMETHOD(device_probe, siis_ch_probe),
566 DEVMETHOD(device_attach, siis_ch_attach),
567 DEVMETHOD(device_detach, siis_ch_detach),
568 DEVMETHOD(device_suspend, siis_ch_suspend),
569 DEVMETHOD(device_resume, siis_ch_resume),
572 static driver_t siisch_driver = {
575 sizeof(struct siis_channel)
577 DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0);
579 struct siis_dc_cb_args {
585 siis_dmainit(device_t dev)
587 struct siis_channel *ch = device_get_softc(dev);
588 struct siis_dc_cb_args dcba;
591 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
592 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
593 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE,
594 0, NULL, NULL, &ch->dma.work_tag))
596 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0,
599 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
600 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) {
601 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
604 ch->dma.work_bus = dcba.maddr;
606 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
607 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
609 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS,
610 SIIS_SG_ENTRIES, 0xFFFFFFFF,
611 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
617 device_printf(dev, "WARNING - DMA initialization failed\n");
622 siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
624 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc;
626 if (!(dcba->error = error))
627 dcba->maddr = segs[0].ds_addr;
631 siis_dmafini(device_t dev)
633 struct siis_channel *ch = device_get_softc(dev);
635 if (ch->dma.data_tag) {
636 bus_dma_tag_destroy(ch->dma.data_tag);
637 ch->dma.data_tag = NULL;
639 if (ch->dma.work_bus) {
640 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
641 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
642 ch->dma.work_bus = 0;
643 ch->dma.work_map = NULL;
646 if (ch->dma.work_tag) {
647 bus_dma_tag_destroy(ch->dma.work_tag);
648 ch->dma.work_tag = NULL;
653 siis_slotsalloc(device_t dev)
655 struct siis_channel *ch = device_get_softc(dev);
658 /* Alloc and setup command/dma slots */
659 bzero(ch->slot, sizeof(ch->slot));
660 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
661 struct siis_slot *slot = &ch->slot[i];
665 slot->state = SIIS_SLOT_EMPTY;
667 callout_init_mtx(&slot->timeout, &ch->mtx, 0);
669 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
670 device_printf(ch->dev, "FAILURE - create data_map\n");
675 siis_slotsfree(device_t dev)
677 struct siis_channel *ch = device_get_softc(dev);
680 /* Free all dma slots */
681 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
682 struct siis_slot *slot = &ch->slot[i];
684 callout_drain(&slot->timeout);
685 if (slot->dma.data_map) {
686 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
687 slot->dma.data_map = NULL;
693 siis_notify_events(device_t dev)
695 struct siis_channel *ch = device_get_softc(dev);
696 struct cam_path *dpath;
700 if (ch->quirks & SIIS_Q_SNTF) {
701 status = ATA_INL(ch->r_mem, SIIS_P_SNTF);
702 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status);
705 * Without SNTF we have no idea which device sent notification.
706 * If PMP is connected, assume it, else - device.
708 status = (ch->pm_present) ? 0x8000 : 0x0001;
711 device_printf(dev, "SNTF 0x%04x\n", status);
712 for (i = 0; i < 16; i++) {
713 if ((status & (1 << i)) == 0)
715 if (xpt_create_path(&dpath, NULL,
716 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
717 xpt_async(AC_SCSI_AEN, dpath, NULL);
718 xpt_free_path(dpath);
725 siis_phy_check_events(device_t dev)
727 struct siis_channel *ch = device_get_softc(dev);
729 /* If we have a connection event, deal with it */
730 if (ch->pm_level == 0) {
731 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
735 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
736 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
737 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) {
738 device_printf(dev, "CONNECT requested\n");
740 device_printf(dev, "DISCONNECT requested\n");
743 if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
745 if (xpt_create_path(&ccb->ccb_h.path, NULL,
746 cam_sim_path(ch->sim),
747 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
756 siis_ch_intr_locked(void *data)
758 device_t dev = (device_t)data;
759 struct siis_channel *ch = device_get_softc(dev);
763 mtx_unlock(&ch->mtx);
767 siis_ch_intr(void *data)
769 device_t dev = (device_t)data;
770 struct siis_channel *ch = device_get_softc(dev);
771 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0;
772 enum siis_err_type et;
773 int i, ccs, port, tslots;
775 mtx_assert(&ch->mtx, MA_OWNED);
776 /* Read command statuses. */
777 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS);
778 ok = ch->rslots & ~sstatus;
779 /* Complete all successfull commands. */
780 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
782 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE);
784 /* Do we have any other events? */
785 if ((sstatus & SIIS_P_SS_ATTN) == 0)
787 /* Read and clear interrupt statuses. */
788 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) &
789 (0xFFFF & ~SIIS_P_IX_COMMCOMP);
790 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus);
791 /* Process PHY events */
792 if (istatus & SIIS_P_IX_PHYRDYCHG)
793 siis_phy_check_events(dev);
794 /* Process NOTIFY events */
795 if (istatus & SIIS_P_IX_SDBN)
796 siis_notify_events(dev);
797 /* Process command errors */
798 if (istatus & SIIS_P_IX_COMMERR) {
799 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR);
800 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX);
801 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT;
802 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT;
803 err = ch->rslots & sstatus;
804 //device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n",
805 // __func__, sstatus, istatus, ch->rslots, estatus, ccs, port,
806 // ATA_INL(ch->r_mem, SIIS_P_SERR));
808 if (!ch->readlog && !ch->recovery) {
809 xpt_freeze_simq(ch->sim, ch->numrslots);
813 union ccb *fccb = ch->frozen;
815 fccb->ccb_h.status &= ~CAM_STATUS_MASK;
816 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
817 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
818 xpt_freeze_devq(fccb->ccb_h.path, 1);
819 fccb->ccb_h.status |= CAM_DEV_QFRZN;
823 if (estatus == SIIS_P_CMDERR_DEV ||
824 estatus == SIIS_P_CMDERR_SDB ||
825 estatus == SIIS_P_CMDERR_DATAFIS) {
826 tslots = ch->numtslots[port];
827 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
828 /* XXX: requests in loading state. */
829 if (((ch->rslots >> i) & 1) == 0)
831 if (ch->slot[i].ccb->ccb_h.target_id != port)
834 /* Untagged operation. */
838 et = SIIS_ERR_INNOCENT;
840 /* Tagged operation. */
843 siis_end_transaction(&ch->slot[i], et);
846 * We can't reinit port if there are some other
847 * commands active, use resume to complete them.
850 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME);
852 if (estatus == SIIS_P_CMDERR_SENDFIS ||
853 estatus == SIIS_P_CMDERR_INCSTATE ||
854 estatus == SIIS_P_CMDERR_PPE ||
855 estatus == SIIS_P_CMDERR_SERVICE) {
858 et = SIIS_ERR_INVALID;
859 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
860 /* XXX: requests in loading state. */
861 if (((ch->rslots >> i) & 1) == 0)
863 siis_end_transaction(&ch->slot[i], et);
869 /* Must be called with channel locked. */
871 siis_check_collision(device_t dev, union ccb *ccb)
873 struct siis_channel *ch = device_get_softc(dev);
875 mtx_assert(&ch->mtx, MA_OWNED);
876 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
877 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
878 /* Tagged command while we have no supported tag free. */
879 if (((~ch->oslots) & (0x7fffffff >> (31 -
880 ch->curr[ccb->ccb_h.target_id].tags))) == 0)
883 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
884 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
885 /* Atomic command while anything active. */
886 if (ch->numrslots != 0)
889 /* We have some atomic command running. */
895 /* Must be called with channel locked. */
897 siis_begin_transaction(device_t dev, union ccb *ccb)
899 struct siis_channel *ch = device_get_softc(dev);
900 struct siis_slot *slot;
903 mtx_assert(&ch->mtx, MA_OWNED);
904 /* Choose empty slot. */
905 tags = SIIS_MAX_SLOTS;
906 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
907 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA))
908 tags = ch->curr[ccb->ccb_h.target_id].tags;
909 tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1;
910 /* Occupy chosen slot. */
911 slot = &ch->slot[tag];
913 /* Update channel stats. */
914 ch->oslots |= (1 << slot->slot);
916 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
917 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
918 ch->numtslots[ccb->ccb_h.target_id]++;
920 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
921 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
922 ch->aslots |= (1 << slot->slot);
924 /* If request moves data, setup and load SG list */
925 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
929 slot->state = SIIS_SLOT_LOADING;
930 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
931 buf = ccb->ataio.data_ptr;
932 size = ccb->ataio.dxfer_len;
934 buf = ccb->csio.data_ptr;
935 size = ccb->csio.dxfer_len;
937 bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map,
938 buf, size, siis_dmasetprd, slot, 0);
940 siis_execute_transaction(slot);
943 /* Locked by busdma engine. */
945 siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
947 struct siis_slot *slot = arg;
948 struct siis_channel *ch = device_get_softc(slot->dev);
949 struct siis_cmd *ctp;
950 struct siis_dma_prd *prd;
953 mtx_assert(&ch->mtx, MA_OWNED);
955 device_printf(slot->dev, "DMA load error\n");
957 xpt_freeze_simq(ch->sim, 1);
958 siis_end_transaction(slot, SIIS_ERR_INVALID);
961 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n"));
962 /* Get a piece of the workspace for this request */
963 ctp = (struct siis_cmd *)
964 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot));
966 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO)
967 prd = &ctp->u.ata.prd[0];
969 prd = &ctp->u.atapi.prd[0];
970 for (i = 0; i < nsegs; i++) {
971 prd[i].dba = htole64(segs[i].ds_addr);
972 prd[i].dbc = htole32(segs[i].ds_len);
975 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM);
976 slot->dma.nsegs = nsegs;
977 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
978 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
979 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
980 siis_execute_transaction(slot);
983 /* Must be called with channel locked. */
985 siis_execute_transaction(struct siis_slot *slot)
987 device_t dev = slot->dev;
988 struct siis_channel *ch = device_get_softc(dev);
989 struct siis_cmd *ctp;
990 union ccb *ccb = slot->ccb;
993 mtx_assert(&ch->mtx, MA_OWNED);
994 /* Get a piece of the workspace for this request */
995 ctp = (struct siis_cmd *)
996 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot));
998 ctp->protocol_override = 0;
999 ctp->transfer_count = 0;
1000 /* Special handling for Soft Reset command. */
1001 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1002 if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) {
1003 ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
1005 ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE);
1006 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
1007 ctp->protocol_override |=
1008 htole16(SIIS_PRB_PROTO_NCQ);
1010 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1011 ctp->protocol_override |=
1012 htole16(SIIS_PRB_PROTO_READ);
1014 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1015 ctp->protocol_override |=
1016 htole16(SIIS_PRB_PROTO_WRITE);
1019 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1020 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1021 ctp->control |= htole16(SIIS_PRB_PACKET_READ);
1023 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
1024 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE);
1026 /* Special handling for Soft Reset command. */
1027 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1028 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1029 (ccb->ataio.cmd.control & ATA_A_RESET)) {
1030 /* Kick controller into sane state */
1033 /* Setup the FIS for this request */
1034 if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) {
1035 device_printf(ch->dev, "Setting up SATA FIS failed\n");
1037 xpt_freeze_simq(ch->sim, 1);
1038 siis_end_transaction(slot, SIIS_ERR_INVALID);
1041 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1042 BUS_DMASYNC_PREWRITE);
1043 /* Issue command to the controller. */
1044 slot->state = SIIS_SLOT_RUNNING;
1045 ch->rslots |= (1 << slot->slot);
1046 prb_bus = ch->dma.work_bus +
1047 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot);
1048 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus);
1049 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32);
1050 /* Start command execution timeout */
1051 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000,
1052 (timeout_t*)siis_timeout, slot);
1056 /* Must be called with channel locked. */
1058 siis_process_timeout(device_t dev)
1060 struct siis_channel *ch = device_get_softc(dev);
1063 mtx_assert(&ch->mtx, MA_OWNED);
1064 if (!ch->readlog && !ch->recovery) {
1065 xpt_freeze_simq(ch->sim, ch->numrslots);
1068 /* Handle the rest of commands. */
1069 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1070 /* Do we have a running request on slot? */
1071 if (ch->slot[i].state < SIIS_SLOT_RUNNING)
1073 siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT);
1077 /* Must be called with channel locked. */
1079 siis_rearm_timeout(device_t dev)
1081 struct siis_channel *ch = device_get_softc(dev);
1084 mtx_assert(&ch->mtx, MA_OWNED);
1085 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1086 struct siis_slot *slot = &ch->slot[i];
1088 /* Do we have a running request on slot? */
1089 if (slot->state < SIIS_SLOT_RUNNING)
1091 if ((ch->toslots & (1 << i)) == 0)
1093 callout_reset(&slot->timeout,
1094 (int)slot->ccb->ccb_h.timeout * hz / 1000,
1095 (timeout_t*)siis_timeout, slot);
1099 /* Locked by callout mechanism. */
1101 siis_timeout(struct siis_slot *slot)
1103 device_t dev = slot->dev;
1104 struct siis_channel *ch = device_get_softc(dev);
1106 mtx_assert(&ch->mtx, MA_OWNED);
1107 /* Check for stale timeout. */
1108 if (slot->state < SIIS_SLOT_RUNNING)
1110 device_printf(dev, "Timeout on slot %d\n", slot->slot);
1111 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n",
1112 __func__, ATA_INL(ch->r_mem, SIIS_P_IS),
1113 ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots,
1114 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS),
1115 ATA_INL(ch->r_mem, SIIS_P_SERR));
1117 if (ch->toslots == 0)
1118 xpt_freeze_simq(ch->sim, 1);
1119 ch->toslots |= (1 << slot->slot);
1120 if ((ch->rslots & ~ch->toslots) == 0)
1121 siis_process_timeout(dev);
1123 device_printf(dev, " ... waiting for slots %08x\n",
1124 ch->rslots & ~ch->toslots);
1127 /* Must be called with channel locked. */
1129 siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
1131 device_t dev = slot->dev;
1132 struct siis_channel *ch = device_get_softc(dev);
1133 union ccb *ccb = slot->ccb;
1135 mtx_assert(&ch->mtx, MA_OWNED);
1136 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1137 BUS_DMASYNC_POSTWRITE);
1138 /* Read result registers to the result struct
1139 * May be incorrect if several commands finished same time,
1140 * so read only when sure or have to.
1142 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1143 struct ata_res *res = &ccb->ataio.res;
1144 if ((et == SIIS_ERR_TFE) ||
1145 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
1146 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8;
1148 res->status = ATA_INB(ch->r_mem, offs + 2);
1149 res->error = ATA_INB(ch->r_mem, offs + 3);
1150 res->lba_low = ATA_INB(ch->r_mem, offs + 4);
1151 res->lba_mid = ATA_INB(ch->r_mem, offs + 5);
1152 res->lba_high = ATA_INB(ch->r_mem, offs + 6);
1153 res->device = ATA_INB(ch->r_mem, offs + 7);
1154 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8);
1155 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9);
1156 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10);
1157 res->sector_count = ATA_INB(ch->r_mem, offs + 12);
1158 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13);
1160 bzero(res, sizeof(*res));
1162 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1163 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
1164 (ccb->ccb_h.flags & CAM_DIR_IN) ?
1165 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1166 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
1168 /* Set proper result status. */
1169 if (et != SIIS_ERR_NONE || ch->recovery) {
1170 ch->eslots |= (1 << slot->slot);
1171 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1173 /* In case of error, freeze device for proper recovery. */
1174 if (et != SIIS_ERR_NONE &&
1175 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
1176 xpt_freeze_devq(ccb->ccb_h.path, 1);
1177 ccb->ccb_h.status |= CAM_DEV_QFRZN;
1179 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1182 ccb->ccb_h.status |= CAM_REQ_CMP;
1183 if (ccb->ccb_h.func_code == XPT_SCSI_IO)
1184 ccb->csio.scsi_status = SCSI_STATUS_OK;
1186 case SIIS_ERR_INVALID:
1188 ccb->ccb_h.status |= CAM_REQ_INVALID;
1190 case SIIS_ERR_INNOCENT:
1191 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1195 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1196 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
1197 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1199 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
1204 ccb->ccb_h.status |= CAM_UNCOR_PARITY;
1206 case SIIS_ERR_TIMEOUT:
1208 ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
1211 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
1214 ch->oslots &= ~(1 << slot->slot);
1215 ch->rslots &= ~(1 << slot->slot);
1216 ch->aslots &= ~(1 << slot->slot);
1217 if (et != SIIS_ERR_TIMEOUT) {
1218 if (ch->toslots == (1 << slot->slot))
1219 xpt_release_simq(ch->sim, TRUE);
1220 ch->toslots &= ~(1 << slot->slot);
1222 slot->state = SIIS_SLOT_EMPTY;
1224 /* Update channel stats. */
1226 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1227 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1228 ch->numtslots[ccb->ccb_h.target_id]--;
1230 /* If it was our READ LOG command - process it. */
1232 siis_process_read_log(dev, ccb);
1233 /* If it was NCQ command error, put result on hold. */
1234 } else if (et == SIIS_ERR_NCQ) {
1235 ch->hold[slot->slot] = ccb;
1239 /* Unfreeze frozen command. */
1240 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) {
1241 union ccb *fccb = ch->frozen;
1243 siis_begin_transaction(dev, fccb);
1244 xpt_release_simq(ch->sim, TRUE);
1246 /* If we have no other active commands, ... */
1247 if (ch->rslots == 0) {
1248 /* if there were timeouts or fatal error - reset port. */
1249 if (ch->toslots != 0 || ch->fatalerr) {
1252 /* if we have slots in error, we can reinit port. */
1253 if (ch->eslots != 0)
1255 /* if there commands on hold, we can do READ LOG. */
1256 if (!ch->readlog && ch->numhslots)
1257 siis_issue_read_log(dev);
1259 /* If all the reset of commands are in timeout - abort them. */
1260 } else if ((ch->rslots & ~ch->toslots) == 0 &&
1261 et != SIIS_ERR_TIMEOUT)
1262 siis_rearm_timeout(dev);
1266 siis_issue_read_log(device_t dev)
1268 struct siis_channel *ch = device_get_softc(dev);
1270 struct ccb_ataio *ataio;
1273 /* Find some holden command. */
1274 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1278 if (i == SIIS_MAX_SLOTS)
1281 ccb = xpt_alloc_ccb_nowait();
1283 device_printf(dev, "Unable allocate READ LOG command");
1286 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
1287 ccb->ccb_h.func_code = XPT_ATA_IO;
1288 ccb->ccb_h.flags = CAM_DIR_IN;
1289 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
1290 ataio = &ccb->ataio;
1291 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT);
1292 if (ataio->data_ptr == NULL) {
1293 device_printf(dev, "Unable allocate memory for READ LOG command");
1296 ataio->dxfer_len = 512;
1297 bzero(&ataio->cmd, sizeof(ataio->cmd));
1298 ataio->cmd.flags = CAM_ATAIO_48BIT;
1299 ataio->cmd.command = 0x2F; /* READ LOG EXT */
1300 ataio->cmd.sector_count = 1;
1301 ataio->cmd.sector_count_exp = 0;
1302 ataio->cmd.lba_low = 0x10;
1303 ataio->cmd.lba_mid = 0;
1304 ataio->cmd.lba_mid_exp = 0;
1305 siis_begin_transaction(dev, ccb);
1309 siis_process_read_log(device_t dev, union ccb *ccb)
1311 struct siis_channel *ch = device_get_softc(dev);
1313 struct ata_res *res;
1317 data = ccb->ataio.data_ptr;
1318 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
1319 (data[0] & 0x80) == 0) {
1320 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1323 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
1325 if ((data[0] & 0x1F) == i) {
1326 res = &ch->hold[i]->ataio.res;
1327 res->status = data[2];
1328 res->error = data[3];
1329 res->lba_low = data[4];
1330 res->lba_mid = data[5];
1331 res->lba_high = data[6];
1332 res->device = data[7];
1333 res->lba_low_exp = data[8];
1334 res->lba_mid_exp = data[9];
1335 res->lba_high_exp = data[10];
1336 res->sector_count = data[12];
1337 res->sector_count_exp = data[13];
1339 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
1340 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
1342 xpt_done(ch->hold[i]);
1347 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
1348 device_printf(dev, "Error while READ LOG EXT\n");
1349 else if ((data[0] & 0x80) == 0) {
1350 device_printf(dev, "Non-queued command error in READ LOG EXT\n");
1352 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1355 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
1357 xpt_done(ch->hold[i]);
1362 free(ccb->ataio.data_ptr, M_SIIS);
1367 siis_portinit(device_t dev)
1369 struct siis_channel *ch = device_get_softc(dev);
1374 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME);
1375 for (i = 0; i < 16; i++) {
1376 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0),
1377 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0);
1379 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT);
1380 siis_wait_ready(dev, 1000);
1384 siis_devreset(device_t dev)
1386 struct siis_channel *ch = device_get_softc(dev);
1390 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET);
1391 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
1392 SIIS_P_CTL_DEV_RESET) != 0) {
1394 if (timeout++ > 100) {
1395 device_printf(dev, "device reset stuck (timeout %dms) "
1396 "status = %08x\n", timeout, val);
1404 siis_wait_ready(device_t dev, int t)
1406 struct siis_channel *ch = device_get_softc(dev);
1410 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
1411 SIIS_P_CTL_READY) == 0) {
1413 if (timeout++ > t) {
1414 device_printf(dev, "port is not ready (timeout %dms) "
1415 "status = %08x\n", t, val);
1423 siis_reset(device_t dev)
1425 struct siis_channel *ch = device_get_softc(dev);
1426 int i, retry = 0, sata_rev;
1429 xpt_freeze_simq(ch->sim, 1);
1431 device_printf(dev, "SIIS reset...\n");
1432 if (!ch->readlog && !ch->recovery)
1433 xpt_freeze_simq(ch->sim, ch->numrslots);
1434 /* Requeue frozen command. */
1436 union ccb *fccb = ch->frozen;
1438 fccb->ccb_h.status &= ~CAM_STATUS_MASK;
1439 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1440 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
1441 xpt_freeze_devq(fccb->ccb_h.path, 1);
1442 fccb->ccb_h.status |= CAM_DEV_QFRZN;
1446 /* Requeue all running commands. */
1447 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1448 /* Do we have a running request on slot? */
1449 if (ch->slot[i].state < SIIS_SLOT_RUNNING)
1451 /* XXX; Commands in loading state. */
1452 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT);
1454 /* Finish all holden commands as-is. */
1455 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1458 xpt_done(ch->hold[i]);
1462 if (ch->toslots != 0)
1463 xpt_release_simq(ch->sim, TRUE);
1468 /* Disable port interrupts */
1469 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF);
1470 /* Set speed limit. */
1471 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision;
1473 val = ATA_SC_SPD_SPEED_GEN1;
1474 else if (sata_rev == 2)
1475 val = ATA_SC_SPD_SPEED_GEN2;
1476 else if (sata_rev == 3)
1477 val = ATA_SC_SPD_SPEED_GEN3;
1480 ATA_OUTL(ch->r_mem, SIIS_P_SCTL,
1481 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
1482 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
1485 /* Reset and reconnect PHY, */
1486 if (!siis_sata_connect(ch)) {
1488 /* Enable port interrupts */
1489 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
1492 "SIIS reset done: phy reset found no device\n");
1493 /* Tell the XPT about the event */
1494 xpt_async(AC_BUS_RESET, ch->path, NULL);
1495 xpt_release_simq(ch->sim, TRUE);
1498 /* Wait for clearing busy status. */
1499 if (siis_wait_ready(dev, 10000)) {
1500 device_printf(dev, "device ready timeout\n");
1502 device_printf(dev, "trying full port reset ...\n");
1503 /* Get port to the reset state. */
1504 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
1506 /* Get port out of reset state. */
1507 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
1508 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
1510 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
1512 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
1513 siis_wait_ready(dev, 5000);
1519 /* Enable port interrupts */
1520 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF);
1521 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
1523 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices);
1524 /* Tell the XPT about the event */
1525 xpt_async(AC_BUS_RESET, ch->path, NULL);
1526 xpt_release_simq(ch->sim, TRUE);
1530 siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag)
1532 struct siis_channel *ch = device_get_softc(dev);
1533 u_int8_t *fis = &ctp->fis[0];
1536 fis[0] = 0x27; /* host to device */
1537 fis[1] = (ccb->ccb_h.target_id & 0x0f);
1538 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1540 fis[2] = ATA_PACKET_CMD;
1541 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
1542 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
1545 fis[5] = ccb->csio.dxfer_len;
1546 fis[6] = ccb->csio.dxfer_len >> 8;
1549 fis[15] = ATA_A_4BIT;
1550 bzero(ctp->u.atapi.ccb, 16);
1551 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1552 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
1553 ctp->u.atapi.ccb, ccb->csio.cdb_len);
1554 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
1556 fis[2] = ccb->ataio.cmd.command;
1557 fis[3] = ccb->ataio.cmd.features;
1558 fis[4] = ccb->ataio.cmd.lba_low;
1559 fis[5] = ccb->ataio.cmd.lba_mid;
1560 fis[6] = ccb->ataio.cmd.lba_high;
1561 fis[7] = ccb->ataio.cmd.device;
1562 fis[8] = ccb->ataio.cmd.lba_low_exp;
1563 fis[9] = ccb->ataio.cmd.lba_mid_exp;
1564 fis[10] = ccb->ataio.cmd.lba_high_exp;
1565 fis[11] = ccb->ataio.cmd.features_exp;
1566 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
1570 fis[12] = ccb->ataio.cmd.sector_count;
1571 fis[13] = ccb->ataio.cmd.sector_count_exp;
1573 fis[15] = ATA_A_4BIT;
1581 siis_sata_connect(struct siis_channel *ch)
1586 /* Wait up to 100ms for "connect well" */
1587 for (timeout = 0; timeout < 100 ; timeout++) {
1588 status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
1589 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
1590 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
1591 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
1595 if (timeout >= 100) {
1597 device_printf(ch->dev, "SATA connect timeout status=%08x\n",
1603 device_printf(ch->dev, "SATA connect time=%dms status=%08x\n",
1606 /* Clear SATA error register */
1607 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff);
1612 siisaction(struct cam_sim *sim, union ccb *ccb)
1615 struct siis_channel *ch;
1617 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n",
1618 ccb->ccb_h.func_code));
1620 ch = (struct siis_channel *)cam_sim_softc(sim);
1622 mtx_assert(&ch->mtx, MA_OWNED);
1623 switch (ccb->ccb_h.func_code) {
1624 /* Common cases first */
1625 case XPT_ATA_IO: /* Execute the requested I/O operation */
1627 if (ch->devices == 0) {
1628 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1632 /* Check for command collision. */
1633 if (siis_check_collision(dev, ccb)) {
1634 /* Freeze command. */
1636 /* We have only one frozen slot, so freeze simq also. */
1637 xpt_freeze_simq(ch->sim, 1);
1640 siis_begin_transaction(dev, ccb);
1642 case XPT_EN_LUN: /* Enable LUN as a target */
1643 case XPT_TARGET_IO: /* Execute target I/O request */
1644 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
1645 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
1646 case XPT_ABORT: /* Abort the specified CCB */
1648 ccb->ccb_h.status = CAM_REQ_INVALID;
1651 case XPT_SET_TRAN_SETTINGS:
1653 struct ccb_trans_settings *cts = &ccb->cts;
1654 struct siis_device *d;
1656 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1657 d = &ch->curr[ccb->ccb_h.target_id];
1659 d = &ch->user[ccb->ccb_h.target_id];
1660 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
1661 d->revision = cts->xport_specific.sata.revision;
1662 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE)
1663 d->mode = cts->xport_specific.sata.mode;
1664 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
1665 d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
1666 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
1667 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags);
1668 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) {
1669 ch->pm_present = cts->xport_specific.sata.pm_present;
1671 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
1673 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
1675 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
1676 d->atapi = cts->xport_specific.sata.atapi;
1677 ccb->ccb_h.status = CAM_REQ_CMP;
1681 case XPT_GET_TRAN_SETTINGS:
1682 /* Get default/user set transfer settings for the target */
1684 struct ccb_trans_settings *cts = &ccb->cts;
1685 struct siis_device *d;
1688 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1689 d = &ch->curr[ccb->ccb_h.target_id];
1691 d = &ch->user[ccb->ccb_h.target_id];
1692 cts->protocol = PROTO_ATA;
1693 cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
1694 cts->transport = XPORT_SATA;
1695 cts->transport_version = XPORT_VERSION_UNSPECIFIED;
1696 cts->proto_specific.valid = 0;
1697 cts->xport_specific.sata.valid = 0;
1698 if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
1699 (ccb->ccb_h.target_id == 15 ||
1700 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) {
1701 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK;
1702 if (status & 0x0f0) {
1703 cts->xport_specific.sata.revision =
1704 (status & 0x0f0) >> 4;
1705 cts->xport_specific.sata.valid |=
1706 CTS_SATA_VALID_REVISION;
1709 cts->xport_specific.sata.revision = d->revision;
1710 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
1712 cts->xport_specific.sata.mode = d->mode;
1713 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
1714 cts->xport_specific.sata.bytecount = d->bytecount;
1715 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
1716 cts->xport_specific.sata.pm_present = ch->pm_present;
1717 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
1718 cts->xport_specific.sata.tags = d->tags;
1719 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS;
1720 cts->xport_specific.sata.atapi = d->atapi;
1721 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
1722 ccb->ccb_h.status = CAM_REQ_CMP;
1727 case XPT_CALC_GEOMETRY:
1729 struct ccb_calc_geometry *ccg;
1731 uint32_t secs_per_cylinder;
1734 size_mb = ccg->volume_size
1735 / ((1024L * 1024L) / ccg->block_size);
1736 if (size_mb >= 1024 && (aha->extended_trans != 0)) {
1737 if (size_mb >= 2048) {
1739 ccg->secs_per_track = 63;
1742 ccg->secs_per_track = 32;
1746 ccg->secs_per_track = 32;
1748 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1749 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1750 ccb->ccb_h.status = CAM_REQ_CMP;
1755 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1756 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1758 ccb->ccb_h.status = CAM_REQ_CMP;
1761 case XPT_TERM_IO: /* Terminate the I/O process */
1763 ccb->ccb_h.status = CAM_REQ_INVALID;
1766 case XPT_PATH_INQ: /* Path routing inquiry */
1768 struct ccb_pathinq *cpi = &ccb->cpi;
1770 cpi->version_num = 1; /* XXX??? */
1771 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE;
1772 cpi->hba_inquiry |= PI_SATAPM;
1773 cpi->target_sprt = 0;
1774 cpi->hba_misc = PIM_SEQSCAN;
1775 cpi->hba_eng_cnt = 0;
1776 cpi->max_target = 15;
1778 cpi->initiator_id = 0;
1779 cpi->bus_id = cam_sim_bus(sim);
1780 cpi->base_transfer_speed = 150000;
1781 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1782 strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN);
1783 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1784 cpi->unit_number = cam_sim_unit(sim);
1785 cpi->transport = XPORT_SATA;
1786 cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
1787 cpi->protocol = PROTO_ATA;
1788 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
1789 cpi->ccb_h.status = CAM_REQ_CMP;
1790 cpi->maxio = MAXPHYS;
1795 ccb->ccb_h.status = CAM_REQ_INVALID;
1802 siispoll(struct cam_sim *sim)
1804 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim);
1806 siis_ch_intr(ch->dev);