2 * Copyright (c) 1998 - 2006 Søren Schmidt <sos@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("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/endian.h>
37 #include <sys/ctype.h>
41 #include <sys/malloc.h>
42 #include <sys/sysctl.h>
44 #include <sys/taskqueue.h>
46 #include <machine/stdarg.h>
47 #include <machine/resource.h>
48 #include <machine/bus.h>
51 #include <machine/md_var.h>
53 #include <dev/ata/ata-all.h>
56 /* device structure */
57 static d_ioctl_t ata_ioctl;
58 static struct cdevsw ata_cdevsw = {
59 .d_version = D_VERSION,
60 .d_flags = D_NEEDGIANT, /* we need this as newbus isn't mpsafe */
66 static void ata_boot_attach(void);
67 static device_t ata_add_child(device_t, struct ata_device *, int);
68 static int ata_getparam(struct ata_device *, int);
69 static void bswap(int8_t *, int);
70 static void btrim(int8_t *, int);
71 static void bpack(int8_t *, int8_t *, int);
74 MALLOC_DEFINE(M_ATA, "ata_generic", "ATA driver generic layer");
75 int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL;
76 devclass_t ata_devclass;
77 uma_zone_t ata_request_zone;
78 uma_zone_t ata_composite_zone;
82 static struct intr_config_hook *ata_delayed_attach = NULL;
83 static int ata_dma = 1;
84 static int atapi_dma = 1;
87 SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters");
88 TUNABLE_INT("hw.ata.ata_dma", &ata_dma);
89 SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0,
90 "ATA disk DMA mode control");
91 TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma);
92 SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0,
93 "ATAPI device DMA mode control");
94 TUNABLE_INT("hw.ata.wc", &ata_wc);
95 SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0,
96 "ATA disk write caching");
99 * newbus device interface related functions
102 ata_probe(device_t dev)
108 ata_attach(device_t dev)
110 struct ata_channel *ch = device_get_softc(dev);
113 /* check that we have a virgin channel to attach */
117 /* initialize the softc basics */
119 ch->state = ATA_IDLE;
120 bzero(&ch->state_mtx, sizeof(struct mtx));
121 mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF);
122 bzero(&ch->queue_mtx, sizeof(struct mtx));
123 mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF);
124 TAILQ_INIT(&ch->ata_queue);
126 /* reset the controller HW, the channel and device(s) */
127 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit)
128 tsleep(&error, PRIBIO, "ataatch", 1);
130 ATA_LOCKING(dev, ATA_LF_UNLOCK);
132 /* setup interrupt delivery */
134 ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
135 RF_SHAREABLE | RF_ACTIVE);
137 device_printf(dev, "unable to allocate interrupt\n");
140 if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS,
141 (driver_intr_t *)ata_interrupt, ch, &ch->ih))) {
142 device_printf(dev, "unable to setup interrupt\n");
146 /* probe and attach devices on this channel unless we are in early boot */
147 if (!ata_delayed_attach)
153 ata_detach(device_t dev)
155 struct ata_channel *ch = device_get_softc(dev);
159 /* check that we have a valid channel to detach */
163 /* detach & delete all children */
164 if (!device_get_children(dev, &children, &nchildren)) {
165 for (i = 0; i < nchildren; i++)
167 device_delete_child(dev, children[i]);
168 free(children, M_TEMP);
171 /* release resources */
172 bus_teardown_intr(dev, ch->r_irq, ch->ih);
173 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
175 mtx_destroy(&ch->state_mtx);
176 mtx_destroy(&ch->queue_mtx);
181 ata_reinit(device_t dev)
183 struct ata_channel *ch = device_get_softc(dev);
184 struct ata_request *request;
188 /* check that we have a valid channel to reinit */
189 if (!ch || !ch->r_irq)
193 device_printf(dev, "reiniting channel ..\n");
195 /* poll for locking the channel */
196 while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit)
197 tsleep(&dev, PRIBIO, "atarini", 1);
199 /* unconditionally grap the channel lock */
200 mtx_lock(&ch->state_mtx);
201 ch->state = ATA_STALL_QUEUE;
202 mtx_unlock(&ch->state_mtx);
204 /* reset the controller HW, the channel and device(s) */
207 /* reinit the children and delete any that fails */
208 if (!device_get_children(dev, &children, &nchildren)) {
209 mtx_lock(&Giant); /* newbus suckage it needs Giant */
210 for (i = 0; i < nchildren; i++) {
211 if (children[i] && device_is_attached(children[i]))
212 if (ATA_REINIT(children[i])) {
214 * if we have a running request and its device matches
215 * this child we need to inform the request that the
216 * device is gone and remove it from ch->running
218 mtx_lock(&ch->state_mtx);
219 if (ch->running && ch->running->dev == children[i]) {
220 callout_stop(&ch->running->callout);
221 request = ch->running;
226 mtx_unlock(&ch->state_mtx);
229 request->result = ENXIO;
230 device_printf(request->dev,
231 "FAILURE - device detached\n");
233 /* if not timeout finish request here */
234 if (!(request->flags & ATA_R_TIMEOUT))
237 device_delete_child(dev, children[i]);
240 free(children, M_TEMP);
241 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */
244 /* catch request in ch->running if we havn't already */
245 mtx_lock(&ch->state_mtx);
246 if ((request = ch->running))
247 callout_stop(&request->callout);
249 mtx_unlock(&ch->state_mtx);
251 /* if we got one put it on the queue again */
253 device_printf(request->dev,
254 "WARNING - %s requeued due to channel reset",
255 ata_cmd2str(request));
256 if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
257 printf(" LBA=%llu", (unsigned long long)request->u.ata.lba);
259 request->flags |= ATA_R_REQUEUE;
260 ata_queue_request(request);
263 /* we're done release the channel for new work */
264 mtx_lock(&ch->state_mtx);
265 ch->state = ATA_IDLE;
266 mtx_unlock(&ch->state_mtx);
267 ATA_LOCKING(dev, ATA_LF_UNLOCK);
270 device_printf(dev, "reinit done ..\n");
272 /* kick off requests on the queue */
278 ata_suspend(device_t dev)
280 struct ata_channel *ch;
282 /* check for valid device */
283 if (!dev || !(ch = device_get_softc(dev)))
286 /* wait for the channel to be IDLE before entering suspend mode */
288 mtx_lock(&ch->state_mtx);
289 if (ch->state == ATA_IDLE) {
290 ch->state = ATA_ACTIVE;
291 mtx_unlock(&ch->state_mtx);
294 mtx_unlock(&ch->state_mtx);
295 tsleep(ch, PRIBIO, "atasusp", hz/10);
297 ATA_LOCKING(dev, ATA_LF_UNLOCK);
302 ata_resume(device_t dev)
304 struct ata_channel *ch;
307 /* check for valid device */
308 if (!dev || !(ch = device_get_softc(dev)))
311 /* reinit the devices, we dont know what mode/state they are in */
312 error = ata_reinit(dev);
314 /* kick off requests on the queue */
320 ata_interrupt(void *data)
322 struct ata_channel *ch = (struct ata_channel *)data;
323 struct ata_request *request;
325 mtx_lock(&ch->state_mtx);
327 /* ignore interrupt if its not for us */
328 if (ch->hw.status && !ch->hw.status(ch->dev))
331 /* do we have a running request */
332 if (!(request = ch->running))
335 ATA_DEBUG_RQ(request, "interrupt");
337 /* safetycheck for the right state */
338 if (ch->state != ATA_ACTIVE && ch->state != ATA_STALL_QUEUE) {
339 device_printf(request->dev, "interrupt on idle channel ignored\n");
344 * we have the HW locks, so end the tranaction for this request
345 * if it finishes immediately otherwise wait for next interrupt
347 if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) {
349 if (ch->state == ATA_ACTIVE)
350 ch->state = ATA_IDLE;
351 mtx_unlock(&ch->state_mtx);
352 ATA_LOCKING(ch->dev, ATA_LF_UNLOCK);
357 mtx_unlock(&ch->state_mtx);
362 * device related interfaces
365 ata_ioctl(struct cdev *dev, u_long cmd, caddr_t data,
366 int32_t flag, struct thread *td)
368 device_t device, *children;
369 struct ata_ioc_devices *devices = (struct ata_ioc_devices *)data;
370 int *value = (int *)data;
371 int i, nchildren, error = ENOTTY;
374 case IOCATAGMAXCHANNEL:
375 *value = devclass_get_maxunit(ata_devclass);
380 if (*value > devclass_get_maxunit(ata_devclass) ||
381 !(device = devclass_get_device(ata_devclass, *value)))
383 error = ata_reinit(device);
388 if (*value > devclass_get_maxunit(ata_devclass) ||
389 !(device = devclass_get_device(ata_devclass, *value)))
391 /* XXX SOS should enable channel HW on controller */
392 error = ata_attach(device);
396 if (*value > devclass_get_maxunit(ata_devclass) ||
397 !(device = devclass_get_device(ata_devclass, *value)))
399 error = ata_detach(device);
400 /* XXX SOS should disable channel HW on controller */
404 if (devices->channel > devclass_get_maxunit(ata_devclass) ||
405 !(device = devclass_get_device(ata_devclass, devices->channel)))
407 bzero(devices->name[0], 32);
408 bzero(&devices->params[0], sizeof(struct ata_params));
409 bzero(devices->name[1], 32);
410 bzero(&devices->params[1], sizeof(struct ata_params));
411 if (!device_get_children(device, &children, &nchildren)) {
412 for (i = 0; i < nchildren; i++) {
413 if (children[i] && device_is_attached(children[i])) {
414 struct ata_device *atadev = device_get_softc(children[i]);
416 if (atadev->unit == ATA_MASTER) {
417 strncpy(devices->name[0],
418 device_get_nameunit(children[i]), 32);
419 bcopy(&atadev->param, &devices->params[0],
420 sizeof(struct ata_params));
422 if (atadev->unit == ATA_SLAVE) {
423 strncpy(devices->name[1],
424 device_get_nameunit(children[i]), 32);
425 bcopy(&atadev->param, &devices->params[1],
426 sizeof(struct ata_params));
430 free(children, M_TEMP);
438 if (ata_raid_ioctl_func)
439 error = ata_raid_ioctl_func(cmd, data);
445 ata_device_ioctl(device_t dev, u_long cmd, caddr_t data)
447 struct ata_device *atadev = device_get_softc(dev);
448 struct ata_ioc_request *ioc_request = (struct ata_ioc_request *)data;
449 struct ata_params *params = (struct ata_params *)data;
450 int *mode = (int *)data;
451 struct ata_request *request;
457 if (!(buf = malloc(ioc_request->count, M_ATA, M_NOWAIT))) {
460 if (!(request = ata_alloc_request())) {
464 if (ioc_request->flags & ATA_CMD_WRITE) {
465 error = copyin(ioc_request->data, buf, ioc_request->count);
468 ata_free_request(request);
473 if (ioc_request->flags & ATA_CMD_ATAPI) {
474 request->flags = ATA_R_ATAPI;
475 bcopy(ioc_request->u.atapi.ccb, request->u.atapi.ccb, 16);
478 request->u.ata.command = ioc_request->u.ata.command;
479 request->u.ata.feature = ioc_request->u.ata.feature;
480 request->u.ata.lba = ioc_request->u.ata.lba;
481 request->u.ata.count = ioc_request->u.ata.count;
483 request->timeout = ioc_request->timeout;
485 request->bytecount = ioc_request->count;
486 request->transfersize = request->bytecount;
487 if (ioc_request->flags & ATA_CMD_CONTROL)
488 request->flags |= ATA_R_CONTROL;
489 if (ioc_request->flags & ATA_CMD_READ)
490 request->flags |= ATA_R_READ;
491 if (ioc_request->flags & ATA_CMD_WRITE)
492 request->flags |= ATA_R_WRITE;
493 ata_queue_request(request);
494 if (!(request->flags & ATA_R_ATAPI)) {
495 ioc_request->u.ata.command = request->u.ata.command;
496 ioc_request->u.ata.feature = request->u.ata.feature;
497 ioc_request->u.ata.lba = request->u.ata.lba;
498 ioc_request->u.ata.count = request->u.ata.count;
500 ioc_request->error = request->result;
501 if (ioc_request->flags & ATA_CMD_READ)
502 error = copyout(buf, ioc_request->data, ioc_request->count);
506 ata_free_request(request);
510 ata_getparam(atadev, 0);
511 bcopy(&atadev->param, params, sizeof(struct ata_params));
515 atadev->mode = *mode;
516 ATA_SETMODE(device_get_parent(dev), dev);
520 *mode = atadev->mode;
528 ata_boot_attach(void)
530 struct ata_channel *ch;
533 mtx_lock(&Giant); /* newbus suckage it needs Giant */
535 /* kick of probe and attach on all channels */
536 for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) {
537 if ((ch = devclass_get_softc(ata_devclass, ctlr))) {
538 ata_identify(ch->dev);
542 /* release the hook that got us here, we are only needed once during boot */
543 if (ata_delayed_attach) {
544 config_intrhook_disestablish(ata_delayed_attach);
545 ata_delayed_attach = NULL;
546 free(ata_delayed_attach, M_TEMP);
549 mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */
554 * misc support functions
557 ata_add_child(device_t parent, struct ata_device *atadev, int unit)
561 if ((child = device_add_child(parent, NULL, unit))) {
562 device_set_softc(child, atadev);
565 atadev->max_iosize = DEV_BSIZE;
566 atadev->mode = ATA_PIO_MAX;
572 ata_getparam(struct ata_device *atadev, int init)
574 struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev));
575 struct ata_request *request;
576 u_int8_t command = 0;
577 int error = ENOMEM, retries = 2;
580 (atadev->unit == ATA_MASTER ? ATA_ATA_MASTER : ATA_ATA_SLAVE))
581 command = ATA_ATA_IDENTIFY;
583 (atadev->unit == ATA_MASTER ? ATA_ATAPI_MASTER : ATA_ATAPI_SLAVE))
584 command = ATA_ATAPI_IDENTIFY;
588 while (retries-- > 0 && error) {
589 if (!(request = ata_alloc_request()))
591 request->dev = atadev->dev;
592 request->timeout = 1;
593 request->retries = 0;
594 request->u.ata.command = command;
595 request->flags = (ATA_R_READ|ATA_R_AT_HEAD|ATA_R_DIRECT|ATA_R_QUIET);
596 request->data = (void *)&atadev->param;
597 request->bytecount = sizeof(struct ata_params);
598 request->donecount = 0;
599 request->transfersize = DEV_BSIZE;
600 ata_queue_request(request);
601 error = request->result;
602 ata_free_request(request);
605 if (!error && (isprint(atadev->param.model[0]) ||
606 isprint(atadev->param.model[1]))) {
607 struct ata_params *atacap = &atadev->param;
609 #if BYTE_ORDER == BIG_ENDIAN
612 for (ptr = (int16_t *)atacap;
613 ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) {
614 *ptr = bswap16(*ptr);
617 if (!(!strncmp(atacap->model, "FX", 2) ||
618 !strncmp(atacap->model, "NEC", 3) ||
619 !strncmp(atacap->model, "Pioneer", 7) ||
620 !strncmp(atacap->model, "SHARP", 5))) {
621 bswap(atacap->model, sizeof(atacap->model));
622 bswap(atacap->revision, sizeof(atacap->revision));
623 bswap(atacap->serial, sizeof(atacap->serial));
625 btrim(atacap->model, sizeof(atacap->model));
626 bpack(atacap->model, atacap->model, sizeof(atacap->model));
627 btrim(atacap->revision, sizeof(atacap->revision));
628 bpack(atacap->revision, atacap->revision, sizeof(atacap->revision));
629 btrim(atacap->serial, sizeof(atacap->serial));
630 bpack(atacap->serial, atacap->serial, sizeof(atacap->serial));
633 printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n",
634 ch->unit, atadev->unit == ATA_MASTER ? "master":"slave",
635 ata_mode2str(ata_pmode(atacap)),
636 ata_mode2str(ata_wmode(atacap)),
637 ata_mode2str(ata_umode(atacap)),
638 (atacap->hwres & ATA_CABLE_ID) ? "80":"40");
641 sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision);
642 device_set_desc_copy(atadev->dev, buffer);
643 if (atadev->param.config & ATA_PROTO_ATAPI) {
644 if (atapi_dma && ch->dma &&
645 (atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR &&
646 ata_umode(&atadev->param) >= ATA_UDMA2)
647 atadev->mode = ATA_DMA_MAX;
650 if (ata_dma && ch->dma &&
651 (ata_umode(&atadev->param) > 0 ||
652 ata_wmode(&atadev->param) > 0))
653 atadev->mode = ATA_DMA_MAX;
665 ata_identify(device_t dev)
667 struct ata_channel *ch = device_get_softc(dev);
668 struct ata_device *master = NULL, *slave = NULL;
669 device_t master_child = NULL, slave_child = NULL;
670 int master_unit = -1, slave_unit = -1;
672 if (ch->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) {
673 if (!(master = malloc(sizeof(struct ata_device),
674 M_ATA, M_NOWAIT | M_ZERO))) {
675 device_printf(dev, "out of memory\n");
678 master->unit = ATA_MASTER;
680 if (ch->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) {
681 if (!(slave = malloc(sizeof(struct ata_device),
682 M_ATA, M_NOWAIT | M_ZERO))) {
684 device_printf(dev, "out of memory\n");
687 slave->unit = ATA_SLAVE;
691 if (ch->devices & ATA_ATA_MASTER)
692 master_unit = (device_get_unit(dev) << 1);
694 if (master && !(master_child = ata_add_child(dev, master, master_unit))) {
699 if (ch->devices & ATA_ATA_SLAVE)
700 slave_unit = (device_get_unit(dev) << 1) + 1;
702 if (slave && !(slave_child = ata_add_child(dev, slave, slave_unit))) {
707 if (slave && ata_getparam(slave, 1)) {
708 device_delete_child(dev, slave_child);
711 if (master && ata_getparam(master, 1)) {
712 device_delete_child(dev, master_child);
716 bus_generic_probe(dev);
717 bus_generic_attach(dev);
722 ata_default_registers(device_t dev)
724 struct ata_channel *ch = device_get_softc(dev);
726 /* fill in the defaults from whats setup already */
727 ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res;
728 ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset;
729 ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res;
730 ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset;
731 ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res;
732 ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset;
733 ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res;
734 ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset;
738 ata_modify_if_48bit(struct ata_request *request)
740 struct ata_channel *ch = device_get_softc(device_get_parent(request->dev));
741 struct ata_device *atadev = device_get_softc(request->dev);
743 atadev->flags &= ~ATA_D_48BIT_ACTIVE;
745 if ((request->u.ata.lba >= ATA_MAX_28BIT_LBA ||
746 request->u.ata.count > 256) &&
747 atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) {
749 /* translate command into 48bit version */
750 switch (request->u.ata.command) {
752 request->u.ata.command = ATA_READ48;
755 request->u.ata.command = ATA_READ_MUL48;
758 if (ch->flags & ATA_NO_48BIT_DMA) {
759 if (request->transfersize > DEV_BSIZE)
760 request->u.ata.command = ATA_READ_MUL48;
762 request->u.ata.command = ATA_READ48;
763 request->flags &= ~ATA_R_DMA;
766 request->u.ata.command = ATA_READ_DMA48;
768 case ATA_READ_DMA_QUEUED:
769 if (ch->flags & ATA_NO_48BIT_DMA) {
770 if (request->transfersize > DEV_BSIZE)
771 request->u.ata.command = ATA_READ_MUL48;
773 request->u.ata.command = ATA_READ48;
774 request->flags &= ~ATA_R_DMA;
777 request->u.ata.command = ATA_READ_DMA_QUEUED48;
780 request->u.ata.command = ATA_WRITE48;
783 request->u.ata.command = ATA_WRITE_MUL48;
786 if (ch->flags & ATA_NO_48BIT_DMA) {
787 if (request->transfersize > DEV_BSIZE)
788 request->u.ata.command = ATA_WRITE_MUL48;
790 request->u.ata.command = ATA_WRITE48;
791 request->flags &= ~ATA_R_DMA;
794 request->u.ata.command = ATA_WRITE_DMA48;
796 case ATA_WRITE_DMA_QUEUED:
797 if (ch->flags & ATA_NO_48BIT_DMA) {
798 if (request->transfersize > DEV_BSIZE)
799 request->u.ata.command = ATA_WRITE_MUL48;
801 request->u.ata.command = ATA_WRITE48;
802 request->u.ata.command = ATA_WRITE48;
803 request->flags &= ~ATA_R_DMA;
806 request->u.ata.command = ATA_WRITE_DMA_QUEUED48;
809 request->u.ata.command = ATA_FLUSHCACHE48;
811 case ATA_READ_NATIVE_MAX_ADDDRESS:
812 request->u.ata.command = ATA_READ_NATIVE_MAX_ADDDRESS48;
814 case ATA_SET_MAX_ADDRESS:
815 request->u.ata.command = ATA_SET_MAX_ADDRESS48;
820 atadev->flags |= ATA_D_48BIT_ACTIVE;
825 ata_udelay(int interval)
827 /* for now just use DELAY, the timer/sleep subsytems are not there yet */
828 if (1 || interval < (1000000/hz) || ata_delayed_attach)
831 tsleep(&interval, PRIBIO, "ataslp", interval/(1000000/hz));
835 ata_mode2str(int mode)
838 case -1: return "UNSUPPORTED";
839 case ATA_PIO0: return "PIO0";
840 case ATA_PIO1: return "PIO1";
841 case ATA_PIO2: return "PIO2";
842 case ATA_PIO3: return "PIO3";
843 case ATA_PIO4: return "PIO4";
844 case ATA_WDMA0: return "WDMA0";
845 case ATA_WDMA1: return "WDMA1";
846 case ATA_WDMA2: return "WDMA2";
847 case ATA_UDMA0: return "UDMA16";
848 case ATA_UDMA1: return "UDMA25";
849 case ATA_UDMA2: return "UDMA33";
850 case ATA_UDMA3: return "UDMA40";
851 case ATA_UDMA4: return "UDMA66";
852 case ATA_UDMA5: return "UDMA100";
853 case ATA_UDMA6: return "UDMA133";
854 case ATA_SA150: return "SATA150";
855 case ATA_SA300: return "SATA300";
857 if (mode & ATA_DMA_MASK)
865 ata_pmode(struct ata_params *ap)
867 if (ap->atavalid & ATA_FLAG_64_70) {
868 if (ap->apiomodes & 0x02)
870 if (ap->apiomodes & 0x01)
873 if (ap->mwdmamodes & 0x04)
875 if (ap->mwdmamodes & 0x02)
877 if (ap->mwdmamodes & 0x01)
879 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
881 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
883 if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
889 ata_wmode(struct ata_params *ap)
891 if (ap->mwdmamodes & 0x04)
893 if (ap->mwdmamodes & 0x02)
895 if (ap->mwdmamodes & 0x01)
901 ata_umode(struct ata_params *ap)
903 if (ap->atavalid & ATA_FLAG_88) {
904 if (ap->udmamodes & 0x40)
906 if (ap->udmamodes & 0x20)
908 if (ap->udmamodes & 0x10)
910 if (ap->udmamodes & 0x08)
912 if (ap->udmamodes & 0x04)
914 if (ap->udmamodes & 0x02)
916 if (ap->udmamodes & 0x01)
923 ata_limit_mode(device_t dev, int mode, int maxmode)
925 struct ata_device *atadev = device_get_softc(dev);
927 if (maxmode && mode > maxmode)
930 if (mode >= ATA_UDMA0 && ata_umode(&atadev->param) > 0)
931 return min(mode, ata_umode(&atadev->param));
933 if (mode >= ATA_WDMA0 && ata_wmode(&atadev->param) > 0)
934 return min(mode, ata_wmode(&atadev->param));
936 if (mode > ata_pmode(&atadev->param))
937 return min(mode, ata_pmode(&atadev->param));
943 bswap(int8_t *buf, int len)
945 u_int16_t *ptr = (u_int16_t*)(buf + len);
947 while (--ptr >= (u_int16_t*)buf)
952 btrim(int8_t *buf, int len)
956 for (ptr = buf; ptr < buf+len; ++ptr)
957 if (!*ptr || *ptr == '_')
959 for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
964 bpack(int8_t *src, int8_t *dst, int len)
968 for (i = j = blank = 0 ; i < len; i++) {
969 if (blank && src[i] == ' ') continue;
970 if (blank && src[i] != ' ') {
991 ata_module_event_handler(module_t mod, int what, void *arg)
993 static struct cdev *atacdev;
997 /* register controlling device */
998 atacdev = make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata");
1001 /* register boot attach to be run when interrupts are enabled */
1002 if (!(ata_delayed_attach = (struct intr_config_hook *)
1003 malloc(sizeof(struct intr_config_hook),
1004 M_TEMP, M_NOWAIT | M_ZERO))) {
1005 printf("ata: malloc of delayed attach hook failed\n");
1008 ata_delayed_attach->ich_func = (void*)ata_boot_attach;
1009 if (config_intrhook_establish(ata_delayed_attach) != 0) {
1010 printf("ata: config_intrhook_establish failed\n");
1011 free(ata_delayed_attach, M_TEMP);
1017 /* deregister controlling device */
1018 destroy_dev(atacdev);
1026 static moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL };
1027 DECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND);
1028 MODULE_VERSION(ata, 1);
1033 ata_request_zone = uma_zcreate("ata_request", sizeof(struct ata_request),
1034 NULL, NULL, NULL, NULL, 0, 0);
1035 ata_composite_zone = uma_zcreate("ata_composite",
1036 sizeof(struct ata_composite),
1037 NULL, NULL, NULL, NULL, 0, 0);
1039 SYSINIT(ata_register, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL);
1044 uma_zdestroy(ata_composite_zone);
1045 uma_zdestroy(ata_request_zone);
1047 SYSUNINIT(ata_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_uninit, NULL);