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("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/malloc.h>
41 #include <sys/taskqueue.h>
43 #include <machine/bus.h>
44 #include <geom/geom_disk.h>
45 #include <dev/ata/ata-all.h>
46 #include <dev/ata/atapi-fd.h>
51 static disk_open_t afd_open;
52 static disk_close_t afd_close;
53 static disk_strategy_t afd_strategy;
54 static disk_ioctl_t afd_ioctl;
55 static int afd_sense(device_t);
56 static void afd_describe(device_t);
57 static void afd_done(struct ata_request *);
58 static int afd_prevent_allow(device_t, int);
59 static int afd_test_ready(device_t);
62 static MALLOC_DEFINE(M_AFD, "afd_driver", "ATAPI floppy driver buffers");
65 afd_probe(device_t dev)
67 struct ata_device *atadev = device_get_softc(dev);
69 if ((atadev->param.config & ATA_PROTO_ATAPI) &&
70 (atadev->param.config & ATA_ATAPI_TYPE_MASK) == ATA_ATAPI_TYPE_DIRECT)
77 afd_attach(device_t dev)
79 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
80 struct ata_device *atadev = device_get_softc(dev);
81 struct afd_softc *fdp;
83 if (!(fdp = malloc(sizeof(struct afd_softc), M_AFD, M_NOWAIT | M_ZERO))) {
84 device_printf(dev, "out of memory\n");
87 device_set_ivars(dev, fdp);
88 ATA_SETMODE(device_get_parent(dev), dev);
91 device_set_ivars(dev, NULL);
95 atadev->flags |= ATA_D_MEDIA_CHANGED;
97 /* announce we are here */
100 /* create the disk device */
101 fdp->disk = disk_alloc();
102 fdp->disk->d_open = afd_open;
103 fdp->disk->d_close = afd_close;
104 fdp->disk->d_strategy = afd_strategy;
105 fdp->disk->d_ioctl = afd_ioctl;
106 fdp->disk->d_name = "afd";
107 fdp->disk->d_drv1 = dev;
109 fdp->disk->d_maxsize = ch->dma->max_iosize;
111 fdp->disk->d_maxsize = DFLTPHYS;
112 fdp->disk->d_unit = device_get_unit(dev);
113 disk_create(fdp->disk, DISK_VERSION);
118 afd_detach(device_t dev)
120 struct afd_softc *fdp = device_get_ivars(dev);
122 /* detroy disk from the system so we dont get any further requests */
123 disk_destroy(fdp->disk);
125 /* fail requests on the queue and any thats "in flight" for this device */
126 ata_fail_requests(dev);
128 /* dont leave anything behind */
129 device_set_ivars(dev, NULL);
135 afd_shutdown(device_t dev)
137 struct ata_device *atadev = device_get_softc(dev);
139 if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE)
140 ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0);
144 afd_reinit(device_t dev)
146 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
147 struct ata_device *atadev = device_get_softc(dev);
148 struct afd_softc *fdp = device_get_ivars(dev);
150 if (((atadev->unit == ATA_MASTER) && !(ch->devices & ATA_ATAPI_MASTER)) ||
151 ((atadev->unit == ATA_SLAVE) && !(ch->devices & ATA_ATAPI_SLAVE))) {
152 device_set_ivars(dev, NULL);
156 ATA_SETMODE(device_get_parent(dev), dev);
161 afd_open(struct disk *dp)
163 device_t dev = dp->d_drv1;
164 struct ata_device *atadev = device_get_softc(dev);
165 struct afd_softc *fdp = device_get_ivars(dev);
169 if (!device_is_attached(dev))
173 afd_prevent_allow(dev, 1);
176 device_printf(dev, "sense media type failed\n");
177 atadev->flags &= ~ATA_D_MEDIA_CHANGED;
179 fdp->disk->d_sectorsize = fdp->cap.sector_size;
180 fdp->disk->d_mediasize = (off_t)fdp->cap.sector_size * fdp->cap.sectors *
181 fdp->cap.heads * fdp->cap.cylinders;
182 fdp->disk->d_fwsectors = fdp->cap.sectors;
183 fdp->disk->d_fwheads = fdp->cap.heads;
189 afd_close(struct disk *dp)
191 device_t dev = dp->d_drv1;
193 afd_prevent_allow(dev, 0);
198 afd_strategy(struct bio *bp)
200 device_t dev = bp->bio_disk->d_drv1;
201 struct ata_device *atadev = device_get_softc(dev);
202 struct afd_softc *fdp = device_get_ivars(dev);
203 struct ata_request *request;
207 /* if it's a null transfer, return immediatly. */
208 if (bp->bio_bcount == 0) {
214 /* should reject all queued entries if media have changed. */
215 if (atadev->flags & ATA_D_MEDIA_CHANGED) {
216 biofinish(bp, NULL, EIO);
220 count = bp->bio_bcount / fdp->cap.sector_size;
221 bp->bio_resid = bp->bio_bcount;
223 bzero(ccb, sizeof(ccb));
225 if (bp->bio_cmd == BIO_READ)
226 ccb[0] = ATAPI_READ_BIG;
228 ccb[0] = ATAPI_WRITE_BIG;
230 ccb[2] = bp->bio_pblkno >> 24;
231 ccb[3] = bp->bio_pblkno >> 16;
232 ccb[4] = bp->bio_pblkno >> 8;
233 ccb[5] = bp->bio_pblkno;
237 if (!(request = ata_alloc_request())) {
238 biofinish(bp, NULL, ENOMEM);
243 bcopy(ccb, request->u.atapi.ccb,
244 (atadev->param.config & ATA_PROTO_MASK) ==
245 ATA_PROTO_ATAPI_12 ? 16 : 12);
246 request->data = bp->bio_data;
247 request->bytecount = count * fdp->cap.sector_size;
248 request->transfersize = min(request->bytecount, 65534);
249 request->timeout = (ccb[0] == ATAPI_WRITE_BIG) ? 60 : 30;
250 request->retries = 2;
251 request->callback = afd_done;
252 switch (bp->bio_cmd) {
254 request->flags = (ATA_R_ATAPI | ATA_R_READ);
257 request->flags = (ATA_R_ATAPI | ATA_R_WRITE);
260 device_printf(dev, "unknown BIO operation\n");
261 ata_free_request(request);
262 biofinish(bp, NULL, EIO);
265 if (atadev->mode >= ATA_DMA)
266 request->flags |= ATA_R_DMA;
267 request->flags |= ATA_R_ORDERED;
268 ata_queue_request(request);
272 afd_done(struct ata_request *request)
274 struct bio *bp = request->bio;
276 /* finish up transfer */
277 if ((bp->bio_error = request->result))
278 bp->bio_flags |= BIO_ERROR;
279 bp->bio_resid = bp->bio_bcount - request->donecount;
281 ata_free_request(request);
285 afd_ioctl(struct disk *disk, u_long cmd, void *data, int flag,struct thread *td)
287 return ata_device_ioctl(disk->d_drv1, cmd, data);
291 afd_sense(device_t dev)
293 struct ata_device *atadev = device_get_softc(dev);
294 struct afd_softc *fdp = device_get_ivars(dev);
295 int8_t ccb[16] = { ATAPI_MODE_SENSE_BIG, 0, ATAPI_REWRITEABLE_CAP_PAGE,
296 0, 0, 0, 0, sizeof(struct afd_cappage) >> 8,
297 sizeof(struct afd_cappage) & 0xff, 0, 0, 0, 0, 0, 0, 0 };
300 /* The IOMEGA Clik! doesn't support reading the cap page, fake it */
301 if (!strncmp(atadev->param.model, "IOMEGA Clik!", 12)) {
302 fdp->cap.transfer_rate = 500;
304 fdp->cap.sectors = 2;
305 fdp->cap.cylinders = 39441;
306 fdp->cap.sector_size = 512;
311 /* get drive capabilities, some bugridden drives needs this repeated */
312 for (count = 0 ; count < 5 ; count++) {
313 if (!ata_atapicmd(dev, ccb, (caddr_t)&fdp->cap,
314 sizeof(struct afd_cappage), ATA_R_READ, 30) &&
315 fdp->cap.page_code == ATAPI_REWRITEABLE_CAP_PAGE) {
316 fdp->cap.cylinders = ntohs(fdp->cap.cylinders);
317 fdp->cap.sector_size = ntohs(fdp->cap.sector_size);
318 fdp->cap.transfer_rate = ntohs(fdp->cap.transfer_rate);
326 afd_prevent_allow(device_t dev, int lock)
328 struct ata_device *atadev = device_get_softc(dev);
329 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock,
330 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
332 if (!strncmp(atadev->param.model, "IOMEGA Clik!", 12))
334 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30);
338 afd_test_ready(device_t dev)
340 int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0,
341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
343 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30);
347 afd_describe(device_t dev)
349 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
350 struct ata_device *atadev = device_get_softc(dev);
351 struct afd_softc *fdp = device_get_ivars(dev);
354 device_printf(dev, "<%.40s/%.8s> removable drive at ata%d as %s\n",
355 atadev->param.model, atadev->param.revision,
356 device_get_unit(ch->dev),
357 (atadev->unit == ATA_MASTER) ? "master" : "slave");
359 "%luMB (%u sectors), %u cyls, %u heads, %u S/T, %u B/S\n",
360 (fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors) /
361 ((1024L * 1024L) / fdp->cap.sector_size),
362 fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors,
363 fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
364 fdp->cap.sector_size);
365 device_printf(dev, "%dKB/s,", fdp->cap.transfer_rate / 8);
366 printf(" %s\n", ata_mode2str(atadev->mode));
367 if (fdp->cap.medium_type) {
368 device_printf(dev, "Medium: ");
369 switch (fdp->cap.medium_type) {
371 printf("720KB DD disk"); break;
374 printf("1.2MB HD disk"); break;
377 printf("1.44MB HD disk"); break;
380 printf("120MB UHD disk"); break;
383 printf("Unknown (0x%x)", fdp->cap.medium_type);
385 if (fdp->cap.wp) printf(", writeprotected");
390 device_printf(dev, "REMOVABLE <%.40s/%.8s> at ata%d-%s %s\n",
391 atadev->param.model, atadev->param.revision,
392 device_get_unit(ch->dev),
393 (atadev->unit == ATA_MASTER) ? "master" : "slave",
394 ata_mode2str(atadev->mode));
398 static device_method_t afd_methods[] = {
399 /* device interface */
400 DEVMETHOD(device_probe, afd_probe),
401 DEVMETHOD(device_attach, afd_attach),
402 DEVMETHOD(device_detach, afd_detach),
403 DEVMETHOD(device_shutdown, afd_shutdown),
406 DEVMETHOD(ata_reinit, afd_reinit),
411 static driver_t afd_driver = {
417 static devclass_t afd_devclass;
419 DRIVER_MODULE(afd, ata, afd_driver, afd_devclass, NULL, NULL);
420 MODULE_VERSION(afd, 1);
421 MODULE_DEPEND(afd, ata, 1, 1, 1);