2 * Copyright (c) 1998,1999,2000,2001,2002 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.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * $FreeBSD: src/sys/dev/ata/atapi-fd.c,v 1.44.2.9 2002/07/31 11:19:26 sos Exp $
29 * $DragonFly: src/sys/dev/disk/ata/atapi-fd.c,v 1.15 2006/04/30 17:22:16 dillon Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/malloc.h>
41 #include <sys/devicestat.h>
43 #include <machine/bus.h>
46 #include <sys/thread2.h>
48 #include "atapi-all.h"
51 /* device structures */
52 static d_open_t afdopen;
53 static d_close_t afdclose;
54 static d_ioctl_t afdioctl;
55 static d_strategy_t afdstrategy;
57 static struct cdevsw afd_cdevsw = {
60 /* flags */ D_DISK | D_TRACKCLOSE,
67 /* write */ physwrite,
71 /* strategy */ afdstrategy,
77 static int afd_sense(struct afd_softc *);
78 static void afd_describe(struct afd_softc *);
79 static int afd_done(struct atapi_request *);
80 static int afd_eject(struct afd_softc *, int);
81 static int afd_start_stop(struct afd_softc *, int);
82 static int afd_prevent_allow(struct afd_softc *, int);
85 static u_int32_t afd_lun_map = 0;
86 static MALLOC_DEFINE(M_AFD, "AFD driver", "ATAPI floppy driver buffers");
89 afdattach(struct ata_device *atadev)
91 struct afd_softc *fdp;
94 fdp = malloc(sizeof(struct afd_softc), M_AFD, M_WAITOK | M_ZERO);
96 ata_prtdev(atadev, "out of memory\n");
100 fdp->device = atadev;
101 fdp->lun = ata_get_lun(&afd_lun_map);
102 ata_set_name(atadev, "afd", fdp->lun);
103 bioq_init(&fdp->bio_queue);
105 if (afd_sense(fdp)) {
110 devstat_add_entry(&fdp->stats, "afd", fdp->lun, DEV_BSIZE,
111 DEVSTAT_NO_ORDERED_TAGS,
112 DEVSTAT_TYPE_DIRECT | DEVSTAT_TYPE_IF_IDE,
113 DEVSTAT_PRIORITY_WFD);
114 dev = disk_create(fdp->lun, &fdp->disk, 0, &afd_cdevsw);
118 if (!strncmp(atadev->param->model, "IOMEGA ZIP", 10) ||
119 !strncmp(atadev->param->model, "IOMEGA Clik!", 12))
120 fdp->dev->si_iosize_max = 64 * DEV_BSIZE;
122 fdp->dev->si_iosize_max = 252 * DEV_BSIZE;
125 atadev->flags |= ATA_D_MEDIA_CHANGED;
126 atadev->driver = fdp;
131 afddetach(struct ata_device *atadev)
133 struct afd_softc *fdp = atadev->driver;
137 while ((bio = bioq_first(&fdp->bio_queue))) {
138 bioq_remove(&fdp->bio_queue, bio);
140 bp->b_flags |= B_ERROR;
144 disk_invalidate(&fdp->disk);
145 disk_destroy(&fdp->disk);
146 devstat_remove_entry(&fdp->stats);
147 ata_free_name(atadev);
148 ata_free_lun(&afd_lun_map, fdp->lun);
150 atadev->driver = NULL;
154 afd_sense(struct afd_softc *fdp)
156 int8_t ccb[16] = { ATAPI_MODE_SENSE_BIG, 0, ATAPI_REWRITEABLE_CAP_PAGE,
157 0, 0, 0, 0, sizeof(struct afd_cappage) >> 8,
158 sizeof(struct afd_cappage) & 0xff, 0, 0, 0, 0, 0, 0, 0 };
159 int count, error = 0;
161 /* The IOMEGA Clik! doesn't support reading the cap page, fake it */
162 if (!strncmp(fdp->device->param->model, "IOMEGA Clik!", 12)) {
163 fdp->cap.transfer_rate = 500;
165 fdp->cap.sectors = 2;
166 fdp->cap.cylinders = 39441;
167 fdp->cap.sector_size = 512;
168 atapi_test_ready(fdp->device);
172 /* get drive capabilities, some drives needs this repeated */
173 for (count = 0 ; count < 5 ; count++) {
174 if (!(error = atapi_queue_cmd(fdp->device, ccb, (caddr_t)&fdp->cap,
175 sizeof(struct afd_cappage),
176 ATPR_F_READ, 30, NULL, NULL)))
179 if (error || fdp->cap.page_code != ATAPI_REWRITEABLE_CAP_PAGE)
181 fdp->cap.cylinders = ntohs(fdp->cap.cylinders);
182 fdp->cap.sector_size = ntohs(fdp->cap.sector_size);
183 fdp->cap.transfer_rate = ntohs(fdp->cap.transfer_rate);
188 afd_describe(struct afd_softc *fdp)
191 ata_prtdev(fdp->device,
192 "<%.40s/%.8s> rewriteable drive at ata%d as %s\n",
193 fdp->device->param->model, fdp->device->param->revision,
194 device_get_unit(fdp->device->channel->dev),
195 (fdp->device->unit == ATA_MASTER) ? "master" : "slave");
196 ata_prtdev(fdp->device,
197 "%luMB (%u sectors), %u cyls, %u heads, %u S/T, %u B/S\n",
198 (fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors) /
199 ((1024L * 1024L) / fdp->cap.sector_size),
200 fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors,
201 fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
202 fdp->cap.sector_size);
203 ata_prtdev(fdp->device, "%dKB/s,", fdp->cap.transfer_rate / 8);
204 printf(" %s\n", ata_mode2str(fdp->device->mode));
205 if (fdp->cap.medium_type) {
206 ata_prtdev(fdp->device, "Medium: ");
207 switch (fdp->cap.medium_type) {
209 printf("720KB DD disk"); break;
212 printf("1.2MB HD disk"); break;
215 printf("1.44MB HD disk"); break;
218 printf("120MB UHD disk"); break;
221 printf("Unknown (0x%x)", fdp->cap.medium_type);
223 if (fdp->cap.wp) printf(", writeprotected");
228 ata_prtdev(fdp->device, "%luMB <%.40s> [%d/%d/%d] at ata%d-%s %s\n",
229 (fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors) /
230 ((1024L * 1024L) / fdp->cap.sector_size),
231 fdp->device->param->model,
232 fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
233 device_get_unit(fdp->device->channel->dev),
234 (fdp->device->unit == ATA_MASTER) ? "master" : "slave",
235 ata_mode2str(fdp->device->mode));
240 afdopen(dev_t dev, int flags, int fmt, struct thread *td)
242 struct afd_softc *fdp = dev->si_drv1;
243 struct disklabel *label = &fdp->disk.d_label;
245 atapi_test_ready(fdp->device);
247 if (count_dev(dev) == 1)
248 afd_prevent_allow(fdp, 1);
251 ata_prtdev(fdp->device, "sense media type failed\n");
253 fdp->device->flags &= ~ATA_D_MEDIA_CHANGED;
255 bzero(label, sizeof *label);
256 label->d_secsize = fdp->cap.sector_size;
257 label->d_nsectors = fdp->cap.sectors;
258 label->d_ntracks = fdp->cap.heads;
259 label->d_ncylinders = fdp->cap.cylinders;
260 label->d_secpercyl = fdp->cap.sectors * fdp->cap.heads;
261 label->d_secperunit = label->d_secpercyl * fdp->cap.cylinders;
266 afdclose(dev_t dev, int flags, int fmt, struct thread *td)
268 struct afd_softc *fdp = dev->si_drv1;
270 if (count_dev(dev) == 1)
271 afd_prevent_allow(fdp, 0);
276 afdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
278 struct afd_softc *fdp = dev->si_drv1;
282 if (count_dev(dev) > 1)
284 return afd_eject(fdp, 0);
287 if (count_dev(dev) > 1)
289 return afd_eject(fdp, 1);
297 afdstrategy(dev_t dev, struct bio *bio)
299 struct buf *bp = bio->bio_buf;
300 struct afd_softc *fdp = dev->si_drv1;
302 if (fdp->device->flags & ATA_D_DETACHING) {
303 bp->b_flags |= B_ERROR;
309 /* if it's a null transfer, return immediatly. */
310 if (bp->b_bcount == 0) {
317 bioqdisksort(&fdp->bio_queue, bio);
319 ata_start(fdp->device->channel);
323 afd_start(struct ata_device *atadev)
325 struct afd_softc *fdp = atadev->driver;
326 struct bio *bio = bioq_first(&fdp->bio_queue);
336 bioq_remove(&fdp->bio_queue, bio);
339 /* should reject all queued entries if media have changed. */
340 if (fdp->device->flags & ATA_D_MEDIA_CHANGED) {
341 bp->b_flags |= B_ERROR;
347 KKASSERT(bio->bio_offset % fdp->cap.sector_size == 0);
349 lba = bio->bio_offset / fdp->cap.sector_size;
350 count = bp->b_bcount / fdp->cap.sector_size;
351 data_ptr = bp->b_data;
352 bp->b_resid = bp->b_bcount;
354 bzero(ccb, sizeof(ccb));
356 if (bp->b_cmd == BUF_CMD_READ)
357 ccb[0] = ATAPI_READ_BIG;
359 ccb[0] = ATAPI_WRITE_BIG;
368 devstat_start_transaction(&fdp->stats);
370 atapi_queue_cmd(fdp->device, ccb, data_ptr, count * fdp->cap.sector_size,
371 ((bp->b_cmd == BUF_CMD_READ) ? ATPR_F_READ : 0),
376 afd_done(struct atapi_request *request)
378 struct bio *bio = request->driver;
379 struct buf *bp = bio->bio_buf;
380 struct afd_softc *fdp = request->device->driver;
382 if (request->error || (bp->b_flags & B_ERROR)) {
383 bp->b_error = request->error;
384 bp->b_flags |= B_ERROR;
387 bp->b_resid = bp->b_bcount - request->donecount;
388 devstat_end_transaction_buf(&fdp->stats, bp);
394 afd_eject(struct afd_softc *fdp, int close)
398 if ((error = afd_start_stop(fdp, 0)) == EBUSY) {
401 if ((error = afd_start_stop(fdp, 3)))
403 return afd_prevent_allow(fdp, 1);
409 if ((error = afd_prevent_allow(fdp, 0)))
411 fdp->device->flags |= ATA_D_MEDIA_CHANGED;
412 return afd_start_stop(fdp, 2);
416 afd_start_stop(struct afd_softc *fdp, int start)
418 int8_t ccb[16] = { ATAPI_START_STOP, 0, 0, 0, start,
419 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
421 return atapi_queue_cmd(fdp->device, ccb, NULL, 0, 0, 30, NULL, NULL);
425 afd_prevent_allow(struct afd_softc *fdp, int lock)
427 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock,
428 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
430 if (!strncmp(fdp->device->param->model, "IOMEGA Clik!", 12))
432 return atapi_queue_cmd(fdp->device, ccb, NULL, 0, 0, 30, NULL, NULL);