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 /* Put controller into reset state. */
235 ctlr->gctl |= SIIS_GCTL_GRESET;
236 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
238 /* Get controller out of reset state and enable port interrupts. */
239 ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE);
240 ctlr->gctl |= 0x0000000f;
241 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
242 return (bus_generic_resume(dev));
246 siis_setup_interrupt(device_t dev)
248 struct siis_controller *ctlr = device_get_softc(dev);
252 resource_int_value(device_get_name(dev),
253 device_get_unit(dev), "msi", &msi);
257 msi = min(1, pci_msi_count(dev));
258 /* Allocate MSI if needed/present. */
259 if (msi && pci_alloc_msi(dev, &msi) != 0)
261 /* Allocate all IRQs. */
262 ctlr->irq.r_irq_rid = msi ? 1 : 0;
263 if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
264 &ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
265 device_printf(dev, "unable to map interrupt\n");
268 if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL,
269 siis_intr, ctlr, &ctlr->irq.handle))) {
270 /* SOS XXX release r_irq */
271 device_printf(dev, "unable to setup interrupt\n");
278 * Common case interrupt handler.
281 siis_intr(void *data)
283 struct siis_controller *ctlr = (struct siis_controller *)data;
288 is = ATA_INL(ctlr->r_gmem, SIIS_IS);
289 for (unit = 0; unit < ctlr->channels; unit++) {
290 if ((is & SIIS_IS_PORT(unit)) != 0 &&
291 (arg = ctlr->interrupt[unit].argument)) {
292 ctlr->interrupt[unit].function(arg);
295 /* Acknowledge interrupt, if MSI enabled. */
296 if (ctlr->irq.r_irq_rid) {
297 ATA_OUTL(ctlr->r_gmem, SIIS_GCTL,
298 ctlr->gctl | SIIS_GCTL_MSIACK);
302 static struct resource *
303 siis_alloc_resource(device_t dev, device_t child, int type, int *rid,
304 u_long start, u_long end, u_long count, u_int flags)
306 struct siis_controller *ctlr = device_get_softc(dev);
307 int unit = ((struct siis_channel *)device_get_softc(child))->unit;
308 struct resource *res = NULL;
309 int offset = unit << 13;
314 st = rman_get_start(ctlr->r_mem);
315 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
316 st + offset + 0x2000, 0x2000, RF_ACTIVE, child);
318 bus_space_handle_t bsh;
320 bsh = rman_get_bushandle(ctlr->r_mem);
321 bst = rman_get_bustag(ctlr->r_mem);
322 bus_space_subregion(bst, bsh, offset, 0x2000, &bsh);
323 rman_set_bushandle(res, bsh);
324 rman_set_bustag(res, bst);
328 if (*rid == ATA_IRQ_RID)
329 res = ctlr->irq.r_irq;
336 siis_release_resource(device_t dev, device_t child, int type, int rid,
342 rman_release_resource(r);
345 if (rid != ATA_IRQ_RID)
353 siis_setup_intr(device_t dev, device_t child, struct resource *irq,
354 int flags, driver_filter_t *filter, driver_intr_t *function,
355 void *argument, void **cookiep)
357 struct siis_controller *ctlr = device_get_softc(dev);
358 int unit = (intptr_t)device_get_ivars(child);
360 if (filter != NULL) {
361 printf("siis.c: we cannot use a filter here\n");
364 ctlr->interrupt[unit].function = function;
365 ctlr->interrupt[unit].argument = argument;
370 siis_teardown_intr(device_t dev, device_t child, struct resource *irq,
373 struct siis_controller *ctlr = device_get_softc(dev);
374 int unit = (intptr_t)device_get_ivars(child);
376 ctlr->interrupt[unit].function = NULL;
377 ctlr->interrupt[unit].argument = NULL;
382 siis_print_child(device_t dev, device_t child)
386 retval = bus_print_child_header(dev, child);
387 retval += printf(" at channel %d",
388 (int)(intptr_t)device_get_ivars(child));
389 retval += bus_print_child_footer(dev, child);
394 devclass_t siis_devclass;
395 static device_method_t siis_methods[] = {
396 DEVMETHOD(device_probe, siis_probe),
397 DEVMETHOD(device_attach, siis_attach),
398 DEVMETHOD(device_detach, siis_detach),
399 DEVMETHOD(device_suspend, siis_suspend),
400 DEVMETHOD(device_resume, siis_resume),
401 DEVMETHOD(bus_print_child, siis_print_child),
402 DEVMETHOD(bus_alloc_resource, siis_alloc_resource),
403 DEVMETHOD(bus_release_resource, siis_release_resource),
404 DEVMETHOD(bus_setup_intr, siis_setup_intr),
405 DEVMETHOD(bus_teardown_intr,siis_teardown_intr),
408 static driver_t siis_driver = {
411 sizeof(struct siis_controller)
413 DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0);
414 MODULE_VERSION(siis, 1);
415 MODULE_DEPEND(siis, cam, 1, 1, 1);
418 siis_ch_probe(device_t dev)
421 device_set_desc_copy(dev, "SIIS channel");
426 siis_ch_attach(device_t dev)
428 struct siis_controller *ctlr = device_get_softc(device_get_parent(dev));
429 struct siis_channel *ch = device_get_softc(dev);
430 struct cam_devq *devq;
431 int rid, error, i, sata_rev = 0;
434 ch->unit = (intptr_t)device_get_ivars(dev);
435 ch->quirks = ctlr->quirks;
436 resource_int_value(device_get_name(dev),
437 device_get_unit(dev), "pm_level", &ch->pm_level);
438 resource_int_value(device_get_name(dev),
439 device_get_unit(dev), "sata_rev", &sata_rev);
440 for (i = 0; i < 16; i++) {
441 ch->user[i].revision = sata_rev;
442 ch->user[i].mode = 0;
443 ch->user[i].bytecount = 8192;
444 ch->user[i].tags = SIIS_MAX_SLOTS;
445 ch->curr[i] = ch->user[i];
447 mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF);
449 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
453 siis_slotsalloc(dev);
457 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
458 &rid, RF_SHAREABLE | RF_ACTIVE))) {
459 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
460 device_printf(dev, "Unable to map interrupt\n");
463 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
464 siis_ch_intr_locked, dev, &ch->ih))) {
465 device_printf(dev, "Unable to setup interrupt\n");
469 /* Create the device queue for our SIM. */
470 devq = cam_simq_alloc(SIIS_MAX_SLOTS);
472 device_printf(dev, "Unable to allocate simq\n");
476 /* Construct SIM entry */
477 ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch,
478 device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq);
479 if (ch->sim == NULL) {
480 device_printf(dev, "unable to allocate sim\n");
484 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
485 device_printf(dev, "unable to register xpt bus\n");
489 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
490 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
491 device_printf(dev, "unable to create path\n");
495 mtx_unlock(&ch->mtx);
499 xpt_bus_deregister(cam_sim_path(ch->sim));
501 cam_sim_free(ch->sim, /*free_devq*/TRUE);
503 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
504 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
505 mtx_unlock(&ch->mtx);
510 siis_ch_detach(device_t dev)
512 struct siis_channel *ch = device_get_softc(dev);
515 xpt_async(AC_LOST_DEVICE, ch->path, NULL);
516 xpt_free_path(ch->path);
517 xpt_bus_deregister(cam_sim_path(ch->sim));
518 cam_sim_free(ch->sim, /*free_devq*/TRUE);
519 mtx_unlock(&ch->mtx);
521 bus_teardown_intr(dev, ch->r_irq, ch->ih);
522 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
524 siis_ch_suspend(dev);
528 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
529 mtx_destroy(&ch->mtx);
534 siis_ch_suspend(device_t dev)
536 struct siis_channel *ch = device_get_softc(dev);
538 /* Put port into reset state. */
539 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
544 siis_ch_resume(device_t dev)
546 struct siis_channel *ch = device_get_softc(dev);
548 /* Get port out of reset state. */
549 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
550 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
552 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
554 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
555 /* Enable port interrupts */
556 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
560 devclass_t siisch_devclass;
561 static device_method_t siisch_methods[] = {
562 DEVMETHOD(device_probe, siis_ch_probe),
563 DEVMETHOD(device_attach, siis_ch_attach),
564 DEVMETHOD(device_detach, siis_ch_detach),
565 DEVMETHOD(device_suspend, siis_ch_suspend),
566 DEVMETHOD(device_resume, siis_ch_resume),
569 static driver_t siisch_driver = {
572 sizeof(struct siis_channel)
574 DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0);
576 struct siis_dc_cb_args {
582 siis_dmainit(device_t dev)
584 struct siis_channel *ch = device_get_softc(dev);
585 struct siis_dc_cb_args dcba;
588 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
589 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
590 NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE,
591 0, NULL, NULL, &ch->dma.work_tag))
593 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0,
596 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
597 SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) {
598 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
601 ch->dma.work_bus = dcba.maddr;
603 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
604 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
606 SIIS_SG_ENTRIES * PAGE_SIZE * SIIS_MAX_SLOTS,
607 SIIS_SG_ENTRIES, 0xFFFFFFFF,
608 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
614 device_printf(dev, "WARNING - DMA initialization failed\n");
619 siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
621 struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc;
623 if (!(dcba->error = error))
624 dcba->maddr = segs[0].ds_addr;
628 siis_dmafini(device_t dev)
630 struct siis_channel *ch = device_get_softc(dev);
632 if (ch->dma.data_tag) {
633 bus_dma_tag_destroy(ch->dma.data_tag);
634 ch->dma.data_tag = NULL;
636 if (ch->dma.work_bus) {
637 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
638 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
639 ch->dma.work_bus = 0;
640 ch->dma.work_map = NULL;
643 if (ch->dma.work_tag) {
644 bus_dma_tag_destroy(ch->dma.work_tag);
645 ch->dma.work_tag = NULL;
650 siis_slotsalloc(device_t dev)
652 struct siis_channel *ch = device_get_softc(dev);
655 /* Alloc and setup command/dma slots */
656 bzero(ch->slot, sizeof(ch->slot));
657 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
658 struct siis_slot *slot = &ch->slot[i];
662 slot->state = SIIS_SLOT_EMPTY;
664 callout_init_mtx(&slot->timeout, &ch->mtx, 0);
666 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
667 device_printf(ch->dev, "FAILURE - create data_map\n");
672 siis_slotsfree(device_t dev)
674 struct siis_channel *ch = device_get_softc(dev);
677 /* Free all dma slots */
678 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
679 struct siis_slot *slot = &ch->slot[i];
681 callout_drain(&slot->timeout);
682 if (slot->dma.data_map) {
683 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
684 slot->dma.data_map = NULL;
690 siis_notify_events(device_t dev)
692 struct siis_channel *ch = device_get_softc(dev);
693 struct cam_path *dpath;
697 if (ch->quirks & SIIS_Q_SNTF) {
698 status = ATA_INL(ch->r_mem, SIIS_P_SNTF);
699 ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status);
702 * Without SNTF we have no idea which device sent notification.
703 * If PMP is connected, assume it, else - device.
705 status = (ch->pm_present) ? 0x8000 : 0x0001;
708 device_printf(dev, "SNTF 0x%04x\n", status);
709 for (i = 0; i < 16; i++) {
710 if ((status & (1 << i)) == 0)
712 if (xpt_create_path(&dpath, NULL,
713 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
714 xpt_async(AC_SCSI_AEN, dpath, NULL);
715 xpt_free_path(dpath);
722 siis_phy_check_events(device_t dev)
724 struct siis_channel *ch = device_get_softc(dev);
726 /* If we have a connection event, deal with it */
727 if (ch->pm_level == 0) {
728 u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
731 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
732 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
733 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) {
735 device_printf(dev, "CONNECT requested\n");
739 device_printf(dev, "DISCONNECT requested\n");
742 if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
744 if (xpt_create_path(&ccb->ccb_h.path, NULL,
745 cam_sim_path(ch->sim),
746 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
755 siis_ch_intr_locked(void *data)
757 device_t dev = (device_t)data;
758 struct siis_channel *ch = device_get_softc(dev);
762 mtx_unlock(&ch->mtx);
766 siis_ch_intr(void *data)
768 device_t dev = (device_t)data;
769 struct siis_channel *ch = device_get_softc(dev);
770 uint32_t istatus, sstatus, ctx, estatus, ok, err = 0;
771 enum siis_err_type et;
772 int i, ccs, port, tslots;
774 mtx_assert(&ch->mtx, MA_OWNED);
775 /* Read command statuses. */
776 sstatus = ATA_INL(ch->r_mem, SIIS_P_SS);
777 ok = ch->rslots & ~sstatus;
778 /* Complete all successfull commands. */
779 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
781 siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE);
783 /* Do we have any other events? */
784 if ((sstatus & SIIS_P_SS_ATTN) == 0)
786 /* Read and clear interrupt statuses. */
787 istatus = ATA_INL(ch->r_mem, SIIS_P_IS) &
788 (0xFFFF & ~SIIS_P_IX_COMMCOMP);
789 ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus);
790 /* Process PHY events */
791 if (istatus & SIIS_P_IX_PHYRDYCHG)
792 siis_phy_check_events(dev);
793 /* Process NOTIFY events */
794 if (istatus & SIIS_P_IX_SDBN)
795 siis_notify_events(dev);
796 /* Process command errors */
797 if (istatus & SIIS_P_IX_COMMERR) {
798 estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR);
799 ctx = ATA_INL(ch->r_mem, SIIS_P_CTX);
800 ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT;
801 port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT;
802 err = ch->rslots & sstatus;
803 //device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n",
804 // __func__, sstatus, istatus, ch->rslots, estatus, ccs, port,
805 // ATA_INL(ch->r_mem, SIIS_P_SERR));
807 if (!ch->readlog && !ch->recovery) {
808 xpt_freeze_simq(ch->sim, ch->numrslots);
812 union ccb *fccb = ch->frozen;
814 fccb->ccb_h.status &= ~CAM_STATUS_MASK;
815 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
816 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
817 xpt_freeze_devq(fccb->ccb_h.path, 1);
818 fccb->ccb_h.status |= CAM_DEV_QFRZN;
822 if (estatus == SIIS_P_CMDERR_DEV ||
823 estatus == SIIS_P_CMDERR_SDB ||
824 estatus == SIIS_P_CMDERR_DATAFIS) {
825 tslots = ch->numtslots[port];
826 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
827 /* XXX: requests in loading state. */
828 if (((ch->rslots >> i) & 1) == 0)
830 if (ch->slot[i].ccb->ccb_h.target_id != port)
833 /* Untagged operation. */
837 et = SIIS_ERR_INNOCENT;
839 /* Tagged operation. */
842 siis_end_transaction(&ch->slot[i], et);
845 * We can't reinit port if there are some other
846 * commands active, use resume to complete them.
849 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME);
851 if (estatus == SIIS_P_CMDERR_SENDFIS ||
852 estatus == SIIS_P_CMDERR_INCSTATE ||
853 estatus == SIIS_P_CMDERR_PPE ||
854 estatus == SIIS_P_CMDERR_SERVICE) {
857 et = SIIS_ERR_INVALID;
858 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
859 /* XXX: requests in loading state. */
860 if (((ch->rslots >> i) & 1) == 0)
862 siis_end_transaction(&ch->slot[i], et);
868 /* Must be called with channel locked. */
870 siis_check_collision(device_t dev, union ccb *ccb)
872 struct siis_channel *ch = device_get_softc(dev);
874 mtx_assert(&ch->mtx, MA_OWNED);
875 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
876 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
877 /* Tagged command while we have no supported tag free. */
878 if (((~ch->oslots) & (0x7fffffff >> (31 -
879 ch->curr[ccb->ccb_h.target_id].tags))) == 0)
882 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
883 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
884 /* Atomic command while anything active. */
885 if (ch->numrslots != 0)
888 /* We have some atomic command running. */
894 /* Must be called with channel locked. */
896 siis_begin_transaction(device_t dev, union ccb *ccb)
898 struct siis_channel *ch = device_get_softc(dev);
899 struct siis_slot *slot;
902 mtx_assert(&ch->mtx, MA_OWNED);
903 /* Choose empty slot. */
904 tags = SIIS_MAX_SLOTS;
905 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
906 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA))
907 tags = ch->curr[ccb->ccb_h.target_id].tags;
908 tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1;
909 /* Occupy chosen slot. */
910 slot = &ch->slot[tag];
912 /* Update channel stats. */
913 ch->oslots |= (1 << slot->slot);
915 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
916 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
917 ch->numtslots[ccb->ccb_h.target_id]++;
919 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
920 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
921 ch->aslots |= (1 << slot->slot);
923 /* If request moves data, setup and load SG list */
924 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
928 slot->state = SIIS_SLOT_LOADING;
929 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
930 buf = ccb->ataio.data_ptr;
931 size = ccb->ataio.dxfer_len;
933 buf = ccb->csio.data_ptr;
934 size = ccb->csio.dxfer_len;
936 bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map,
937 buf, size, siis_dmasetprd, slot, 0);
939 siis_execute_transaction(slot);
942 /* Locked by busdma engine. */
944 siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
946 struct siis_slot *slot = arg;
947 struct siis_channel *ch = device_get_softc(slot->dev);
948 struct siis_cmd *ctp;
949 struct siis_dma_prd *prd;
952 mtx_assert(&ch->mtx, MA_OWNED);
954 device_printf(slot->dev, "DMA load error\n");
956 xpt_freeze_simq(ch->sim, 1);
957 siis_end_transaction(slot, SIIS_ERR_INVALID);
960 KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n"));
961 /* Get a piece of the workspace for this request */
962 ctp = (struct siis_cmd *)
963 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot));
965 if (slot->ccb->ccb_h.func_code == XPT_ATA_IO)
966 prd = &ctp->u.ata.prd[0];
968 prd = &ctp->u.atapi.prd[0];
969 for (i = 0; i < nsegs; i++) {
970 prd[i].dba = htole64(segs[i].ds_addr);
971 prd[i].dbc = htole32(segs[i].ds_len);
974 prd[nsegs - 1].control = htole32(SIIS_PRD_TRM);
975 slot->dma.nsegs = nsegs;
976 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
977 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
978 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
979 siis_execute_transaction(slot);
982 /* Must be called with channel locked. */
984 siis_execute_transaction(struct siis_slot *slot)
986 device_t dev = slot->dev;
987 struct siis_channel *ch = device_get_softc(dev);
988 struct siis_cmd *ctp;
989 union ccb *ccb = slot->ccb;
992 mtx_assert(&ch->mtx, MA_OWNED);
993 /* Get a piece of the workspace for this request */
994 ctp = (struct siis_cmd *)
995 (ch->dma.work + SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot));
997 ctp->protocol_override = 0;
998 ctp->transfer_count = 0;
999 /* Special handling for Soft Reset command. */
1000 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1001 if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) {
1002 ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
1004 ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE);
1005 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
1006 ctp->protocol_override |=
1007 htole16(SIIS_PRB_PROTO_NCQ);
1009 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1010 ctp->protocol_override |=
1011 htole16(SIIS_PRB_PROTO_READ);
1013 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1014 ctp->protocol_override |=
1015 htole16(SIIS_PRB_PROTO_WRITE);
1018 } else if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1019 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1020 ctp->control |= htole16(SIIS_PRB_PACKET_READ);
1022 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
1023 ctp->control |= htole16(SIIS_PRB_PACKET_WRITE);
1025 /* Special handling for Soft Reset command. */
1026 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1027 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1028 (ccb->ataio.cmd.control & ATA_A_RESET)) {
1029 /* Kick controller into sane state */
1032 /* Setup the FIS for this request */
1033 if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) {
1034 device_printf(ch->dev, "Setting up SATA FIS failed\n");
1036 xpt_freeze_simq(ch->sim, 1);
1037 siis_end_transaction(slot, SIIS_ERR_INVALID);
1040 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1041 BUS_DMASYNC_PREWRITE);
1042 /* Issue command to the controller. */
1043 slot->state = SIIS_SLOT_RUNNING;
1044 ch->rslots |= (1 << slot->slot);
1045 prb_bus = ch->dma.work_bus +
1046 SIIS_CT_OFFSET + (SIIS_CT_SIZE * slot->slot);
1047 ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus);
1048 ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32);
1049 /* Start command execution timeout */
1050 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 1000,
1051 (timeout_t*)siis_timeout, slot);
1055 /* Must be called with channel locked. */
1057 siis_process_timeout(device_t dev)
1059 struct siis_channel *ch = device_get_softc(dev);
1062 mtx_assert(&ch->mtx, MA_OWNED);
1063 if (!ch->readlog && !ch->recovery) {
1064 xpt_freeze_simq(ch->sim, ch->numrslots);
1067 /* Handle the rest of commands. */
1068 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1069 /* Do we have a running request on slot? */
1070 if (ch->slot[i].state < SIIS_SLOT_RUNNING)
1072 siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT);
1076 /* Must be called with channel locked. */
1078 siis_rearm_timeout(device_t dev)
1080 struct siis_channel *ch = device_get_softc(dev);
1083 mtx_assert(&ch->mtx, MA_OWNED);
1084 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1085 struct siis_slot *slot = &ch->slot[i];
1087 /* Do we have a running request on slot? */
1088 if (slot->state < SIIS_SLOT_RUNNING)
1090 if ((ch->toslots & (1 << i)) == 0)
1092 callout_reset(&slot->timeout,
1093 (int)slot->ccb->ccb_h.timeout * hz / 1000,
1094 (timeout_t*)siis_timeout, slot);
1098 /* Locked by callout mechanism. */
1100 siis_timeout(struct siis_slot *slot)
1102 device_t dev = slot->dev;
1103 struct siis_channel *ch = device_get_softc(dev);
1105 mtx_assert(&ch->mtx, MA_OWNED);
1106 /* Check for stale timeout. */
1107 if (slot->state < SIIS_SLOT_RUNNING)
1109 device_printf(dev, "Timeout on slot %d\n", slot->slot);
1110 device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n",
1111 __func__, ATA_INL(ch->r_mem, SIIS_P_IS),
1112 ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots,
1113 ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS),
1114 ATA_INL(ch->r_mem, SIIS_P_SERR));
1116 if (ch->toslots == 0)
1117 xpt_freeze_simq(ch->sim, 1);
1118 ch->toslots |= (1 << slot->slot);
1119 if ((ch->rslots & ~ch->toslots) == 0)
1120 siis_process_timeout(dev);
1122 device_printf(dev, " ... waiting for slots %08x\n",
1123 ch->rslots & ~ch->toslots);
1126 /* Must be called with channel locked. */
1128 siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
1130 device_t dev = slot->dev;
1131 struct siis_channel *ch = device_get_softc(dev);
1132 union ccb *ccb = slot->ccb;
1134 mtx_assert(&ch->mtx, MA_OWNED);
1135 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1136 BUS_DMASYNC_POSTWRITE);
1137 /* Read result registers to the result struct
1138 * May be incorrect if several commands finished same time,
1139 * so read only when sure or have to.
1141 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1142 struct ata_res *res = &ccb->ataio.res;
1143 if ((et == SIIS_ERR_TFE) ||
1144 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
1145 int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8;
1147 res->status = ATA_INB(ch->r_mem, offs + 2);
1148 res->error = ATA_INB(ch->r_mem, offs + 3);
1149 res->lba_low = ATA_INB(ch->r_mem, offs + 4);
1150 res->lba_mid = ATA_INB(ch->r_mem, offs + 5);
1151 res->lba_high = ATA_INB(ch->r_mem, offs + 6);
1152 res->device = ATA_INB(ch->r_mem, offs + 7);
1153 res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8);
1154 res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9);
1155 res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10);
1156 res->sector_count = ATA_INB(ch->r_mem, offs + 12);
1157 res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13);
1159 bzero(res, sizeof(*res));
1161 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1162 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
1163 (ccb->ccb_h.flags & CAM_DIR_IN) ?
1164 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1165 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
1167 /* Set proper result status. */
1168 if (et != SIIS_ERR_NONE || ch->recovery) {
1169 ch->eslots |= (1 << slot->slot);
1170 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1172 /* In case of error, freeze device for proper recovery. */
1173 if (et != SIIS_ERR_NONE &&
1174 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
1175 xpt_freeze_devq(ccb->ccb_h.path, 1);
1176 ccb->ccb_h.status |= CAM_DEV_QFRZN;
1178 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1181 ccb->ccb_h.status |= CAM_REQ_CMP;
1182 if (ccb->ccb_h.func_code == XPT_SCSI_IO)
1183 ccb->csio.scsi_status = SCSI_STATUS_OK;
1185 case SIIS_ERR_INVALID:
1187 ccb->ccb_h.status |= CAM_REQ_INVALID;
1189 case SIIS_ERR_INNOCENT:
1190 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1194 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1195 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
1196 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1198 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
1203 ccb->ccb_h.status |= CAM_UNCOR_PARITY;
1205 case SIIS_ERR_TIMEOUT:
1207 ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
1210 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
1213 ch->oslots &= ~(1 << slot->slot);
1214 ch->rslots &= ~(1 << slot->slot);
1215 ch->aslots &= ~(1 << slot->slot);
1216 if (et != SIIS_ERR_TIMEOUT) {
1217 if (ch->toslots == (1 << slot->slot))
1218 xpt_release_simq(ch->sim, TRUE);
1219 ch->toslots &= ~(1 << slot->slot);
1221 slot->state = SIIS_SLOT_EMPTY;
1223 /* Update channel stats. */
1225 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1226 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1227 ch->numtslots[ccb->ccb_h.target_id]--;
1229 /* If it was our READ LOG command - process it. */
1231 siis_process_read_log(dev, ccb);
1232 /* If it was NCQ command error, put result on hold. */
1233 } else if (et == SIIS_ERR_NCQ) {
1234 ch->hold[slot->slot] = ccb;
1238 /* Unfreeze frozen command. */
1239 if (ch->frozen && !siis_check_collision(dev, ch->frozen)) {
1240 union ccb *fccb = ch->frozen;
1242 siis_begin_transaction(dev, fccb);
1243 xpt_release_simq(ch->sim, TRUE);
1245 /* If we have no other active commands, ... */
1246 if (ch->rslots == 0) {
1247 /* if there were timeouts or fatal error - reset port. */
1248 if (ch->toslots != 0 || ch->fatalerr) {
1251 /* if we have slots in error, we can reinit port. */
1252 if (ch->eslots != 0)
1254 /* if there commands on hold, we can do READ LOG. */
1255 if (!ch->readlog && ch->numhslots)
1256 siis_issue_read_log(dev);
1258 /* If all the reset of commands are in timeout - abort them. */
1259 } else if ((ch->rslots & ~ch->toslots) == 0 &&
1260 et != SIIS_ERR_TIMEOUT)
1261 siis_rearm_timeout(dev);
1265 siis_issue_read_log(device_t dev)
1267 struct siis_channel *ch = device_get_softc(dev);
1269 struct ccb_ataio *ataio;
1272 /* Find some holden command. */
1273 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1277 if (i == SIIS_MAX_SLOTS)
1280 ccb = xpt_alloc_ccb_nowait();
1282 device_printf(dev, "Unable allocate READ LOG command");
1285 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
1286 ccb->ccb_h.func_code = XPT_ATA_IO;
1287 ccb->ccb_h.flags = CAM_DIR_IN;
1288 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
1289 ataio = &ccb->ataio;
1290 ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT);
1291 if (ataio->data_ptr == NULL) {
1292 device_printf(dev, "Unable allocate memory for READ LOG command");
1295 ataio->dxfer_len = 512;
1296 bzero(&ataio->cmd, sizeof(ataio->cmd));
1297 ataio->cmd.flags = CAM_ATAIO_48BIT;
1298 ataio->cmd.command = 0x2F; /* READ LOG EXT */
1299 ataio->cmd.sector_count = 1;
1300 ataio->cmd.sector_count_exp = 0;
1301 ataio->cmd.lba_low = 0x10;
1302 ataio->cmd.lba_mid = 0;
1303 ataio->cmd.lba_mid_exp = 0;
1304 siis_begin_transaction(dev, ccb);
1308 siis_process_read_log(device_t dev, union ccb *ccb)
1310 struct siis_channel *ch = device_get_softc(dev);
1312 struct ata_res *res;
1316 data = ccb->ataio.data_ptr;
1317 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
1318 (data[0] & 0x80) == 0) {
1319 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1322 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
1324 if ((data[0] & 0x1F) == i) {
1325 res = &ch->hold[i]->ataio.res;
1326 res->status = data[2];
1327 res->error = data[3];
1328 res->lba_low = data[4];
1329 res->lba_mid = data[5];
1330 res->lba_high = data[6];
1331 res->device = data[7];
1332 res->lba_low_exp = data[8];
1333 res->lba_mid_exp = data[9];
1334 res->lba_high_exp = data[10];
1335 res->sector_count = data[12];
1336 res->sector_count_exp = data[13];
1338 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
1339 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
1341 xpt_done(ch->hold[i]);
1346 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
1347 device_printf(dev, "Error while READ LOG EXT\n");
1348 else if ((data[0] & 0x80) == 0) {
1349 device_printf(dev, "Non-queued command error in READ LOG EXT\n");
1351 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1354 if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
1356 xpt_done(ch->hold[i]);
1361 free(ccb->ataio.data_ptr, M_SIIS);
1366 siis_portinit(device_t dev)
1368 struct siis_channel *ch = device_get_softc(dev);
1373 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME);
1374 for (i = 0; i < 16; i++) {
1375 ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0),
1376 ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0);
1378 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT);
1379 siis_wait_ready(dev, 1000);
1383 siis_devreset(device_t dev)
1385 struct siis_channel *ch = device_get_softc(dev);
1389 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET);
1390 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
1391 SIIS_P_CTL_DEV_RESET) != 0) {
1393 if (timeout++ > 100) {
1394 device_printf(dev, "device reset stuck (timeout %dms) "
1395 "status = %08x\n", timeout, val);
1403 siis_wait_ready(device_t dev, int t)
1405 struct siis_channel *ch = device_get_softc(dev);
1409 while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
1410 SIIS_P_CTL_READY) == 0) {
1412 if (timeout++ > t) {
1413 device_printf(dev, "port is not ready (timeout %dms) "
1414 "status = %08x\n", t, val);
1422 siis_reset(device_t dev)
1424 struct siis_channel *ch = device_get_softc(dev);
1425 int i, retry = 0, sata_rev;
1428 xpt_freeze_simq(ch->sim, 1);
1430 device_printf(dev, "SIIS reset...\n");
1431 if (!ch->readlog && !ch->recovery)
1432 xpt_freeze_simq(ch->sim, ch->numrslots);
1433 /* Requeue frozen command. */
1435 union ccb *fccb = ch->frozen;
1437 fccb->ccb_h.status &= ~CAM_STATUS_MASK;
1438 fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1439 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
1440 xpt_freeze_devq(fccb->ccb_h.path, 1);
1441 fccb->ccb_h.status |= CAM_DEV_QFRZN;
1445 /* Requeue all running commands. */
1446 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1447 /* Do we have a running request on slot? */
1448 if (ch->slot[i].state < SIIS_SLOT_RUNNING)
1450 /* XXX; Commands in loading state. */
1451 siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT);
1453 /* Finish all holden commands as-is. */
1454 for (i = 0; i < SIIS_MAX_SLOTS; i++) {
1457 xpt_done(ch->hold[i]);
1461 if (ch->toslots != 0)
1462 xpt_release_simq(ch->sim, TRUE);
1467 /* Disable port interrupts */
1468 ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF);
1469 /* Set speed limit. */
1470 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision;
1472 val = ATA_SC_SPD_SPEED_GEN1;
1473 else if (sata_rev == 2)
1474 val = ATA_SC_SPD_SPEED_GEN2;
1475 else if (sata_rev == 3)
1476 val = ATA_SC_SPD_SPEED_GEN3;
1479 ATA_OUTL(ch->r_mem, SIIS_P_SCTL,
1480 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
1481 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
1484 /* Reset and reconnect PHY, */
1485 if (!siis_sata_connect(ch)) {
1487 /* Enable port interrupts */
1488 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
1491 "SIIS reset done: phy reset found no device\n");
1492 /* Tell the XPT about the event */
1493 xpt_async(AC_BUS_RESET, ch->path, NULL);
1494 xpt_release_simq(ch->sim, TRUE);
1497 /* Wait for clearing busy status. */
1498 if (siis_wait_ready(dev, 10000)) {
1499 device_printf(dev, "device ready timeout\n");
1501 device_printf(dev, "trying full port reset ...\n");
1502 /* Get port to the reset state. */
1503 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
1505 /* Get port out of reset state. */
1506 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
1507 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
1509 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
1511 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
1512 siis_wait_ready(dev, 5000);
1518 /* Enable port interrupts */
1519 ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF);
1520 ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
1522 device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices);
1523 /* Tell the XPT about the event */
1524 xpt_async(AC_BUS_RESET, ch->path, NULL);
1525 xpt_release_simq(ch->sim, TRUE);
1529 siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag)
1531 struct siis_channel *ch = device_get_softc(dev);
1532 u_int8_t *fis = &ctp->fis[0];
1535 fis[0] = 0x27; /* host to device */
1536 fis[1] = (ccb->ccb_h.target_id & 0x0f);
1537 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1539 fis[2] = ATA_PACKET_CMD;
1540 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
1541 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
1544 fis[5] = ccb->csio.dxfer_len;
1545 fis[6] = ccb->csio.dxfer_len >> 8;
1548 fis[15] = ATA_A_4BIT;
1549 bzero(ctp->u.atapi.ccb, 16);
1550 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1551 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
1552 ctp->u.atapi.ccb, ccb->csio.cdb_len);
1553 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
1555 fis[2] = ccb->ataio.cmd.command;
1556 fis[3] = ccb->ataio.cmd.features;
1557 fis[4] = ccb->ataio.cmd.lba_low;
1558 fis[5] = ccb->ataio.cmd.lba_mid;
1559 fis[6] = ccb->ataio.cmd.lba_high;
1560 fis[7] = ccb->ataio.cmd.device;
1561 fis[8] = ccb->ataio.cmd.lba_low_exp;
1562 fis[9] = ccb->ataio.cmd.lba_mid_exp;
1563 fis[10] = ccb->ataio.cmd.lba_high_exp;
1564 fis[11] = ccb->ataio.cmd.features_exp;
1565 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
1569 fis[12] = ccb->ataio.cmd.sector_count;
1570 fis[13] = ccb->ataio.cmd.sector_count_exp;
1572 fis[15] = ATA_A_4BIT;
1580 siis_sata_connect(struct siis_channel *ch)
1585 /* Wait up to 100ms for "connect well" */
1586 for (timeout = 0; timeout < 100 ; timeout++) {
1587 status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
1588 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
1589 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
1590 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
1594 if (timeout >= 100) {
1596 device_printf(ch->dev, "SATA connect timeout status=%08x\n",
1602 device_printf(ch->dev, "SATA connect time=%dms status=%08x\n",
1605 /* Clear SATA error register */
1606 ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff);
1611 siisaction(struct cam_sim *sim, union ccb *ccb)
1614 struct siis_channel *ch;
1616 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n",
1617 ccb->ccb_h.func_code));
1619 ch = (struct siis_channel *)cam_sim_softc(sim);
1621 mtx_assert(&ch->mtx, MA_OWNED);
1622 switch (ccb->ccb_h.func_code) {
1623 /* Common cases first */
1624 case XPT_ATA_IO: /* Execute the requested I/O operation */
1626 if (ch->devices == 0) {
1627 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1631 /* Check for command collision. */
1632 if (siis_check_collision(dev, ccb)) {
1633 /* Freeze command. */
1635 /* We have only one frozen slot, so freeze simq also. */
1636 xpt_freeze_simq(ch->sim, 1);
1639 siis_begin_transaction(dev, ccb);
1641 case XPT_EN_LUN: /* Enable LUN as a target */
1642 case XPT_TARGET_IO: /* Execute target I/O request */
1643 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
1644 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
1645 case XPT_ABORT: /* Abort the specified CCB */
1647 ccb->ccb_h.status = CAM_REQ_INVALID;
1650 case XPT_SET_TRAN_SETTINGS:
1652 struct ccb_trans_settings *cts = &ccb->cts;
1653 struct siis_device *d;
1655 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1656 d = &ch->curr[ccb->ccb_h.target_id];
1658 d = &ch->user[ccb->ccb_h.target_id];
1659 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
1660 d->revision = cts->xport_specific.sata.revision;
1661 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE)
1662 d->mode = cts->xport_specific.sata.mode;
1663 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
1664 d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
1665 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
1666 d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags);
1667 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) {
1668 ch->pm_present = cts->xport_specific.sata.pm_present;
1670 ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
1672 ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
1674 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
1675 d->atapi = cts->xport_specific.sata.atapi;
1676 ccb->ccb_h.status = CAM_REQ_CMP;
1680 case XPT_GET_TRAN_SETTINGS:
1681 /* Get default/user set transfer settings for the target */
1683 struct ccb_trans_settings *cts = &ccb->cts;
1684 struct siis_device *d;
1687 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1688 d = &ch->curr[ccb->ccb_h.target_id];
1690 d = &ch->user[ccb->ccb_h.target_id];
1691 cts->protocol = PROTO_ATA;
1692 cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
1693 cts->transport = XPORT_SATA;
1694 cts->transport_version = XPORT_VERSION_UNSPECIFIED;
1695 cts->proto_specific.valid = 0;
1696 cts->xport_specific.sata.valid = 0;
1697 if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
1698 (ccb->ccb_h.target_id == 15 ||
1699 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) {
1700 status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK;
1701 if (status & 0x0f0) {
1702 cts->xport_specific.sata.revision =
1703 (status & 0x0f0) >> 4;
1704 cts->xport_specific.sata.valid |=
1705 CTS_SATA_VALID_REVISION;
1708 cts->xport_specific.sata.revision = d->revision;
1709 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
1711 cts->xport_specific.sata.mode = d->mode;
1712 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
1713 cts->xport_specific.sata.bytecount = d->bytecount;
1714 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
1715 cts->xport_specific.sata.pm_present = ch->pm_present;
1716 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
1717 cts->xport_specific.sata.tags = d->tags;
1718 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS;
1719 cts->xport_specific.sata.atapi = d->atapi;
1720 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
1721 ccb->ccb_h.status = CAM_REQ_CMP;
1726 case XPT_CALC_GEOMETRY:
1728 struct ccb_calc_geometry *ccg;
1730 uint32_t secs_per_cylinder;
1733 size_mb = ccg->volume_size
1734 / ((1024L * 1024L) / ccg->block_size);
1735 if (size_mb >= 1024 && (aha->extended_trans != 0)) {
1736 if (size_mb >= 2048) {
1738 ccg->secs_per_track = 63;
1741 ccg->secs_per_track = 32;
1745 ccg->secs_per_track = 32;
1747 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1748 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1749 ccb->ccb_h.status = CAM_REQ_CMP;
1754 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1755 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1757 ccb->ccb_h.status = CAM_REQ_CMP;
1760 case XPT_TERM_IO: /* Terminate the I/O process */
1762 ccb->ccb_h.status = CAM_REQ_INVALID;
1765 case XPT_PATH_INQ: /* Path routing inquiry */
1767 struct ccb_pathinq *cpi = &ccb->cpi;
1769 cpi->version_num = 1; /* XXX??? */
1770 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE;
1771 cpi->hba_inquiry |= PI_SATAPM;
1772 cpi->target_sprt = 0;
1773 cpi->hba_misc = PIM_SEQSCAN;
1774 cpi->hba_eng_cnt = 0;
1775 cpi->max_target = 15;
1777 cpi->initiator_id = 0;
1778 cpi->bus_id = cam_sim_bus(sim);
1779 cpi->base_transfer_speed = 150000;
1780 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1781 strncpy(cpi->hba_vid, "SIIS", HBA_IDLEN);
1782 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1783 cpi->unit_number = cam_sim_unit(sim);
1784 cpi->transport = XPORT_SATA;
1785 cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
1786 cpi->protocol = PROTO_ATA;
1787 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
1788 cpi->ccb_h.status = CAM_REQ_CMP;
1789 cpi->maxio = MAXPHYS;
1794 ccb->ccb_h.status = CAM_REQ_INVALID;
1801 siispoll(struct cam_sim *sim)
1803 struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim);
1805 siis_ch_intr(ch->dev);