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 1.2 2003/06/17 04:28:22 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 <dev/ata/ata-all.h>
44 #include <dev/ata/atapi-all.h>
45 #include <dev/ata/atapi-fd.h>
47 /* device structures */
48 static d_open_t afdopen;
49 static d_close_t afdclose;
50 static d_ioctl_t afdioctl;
51 static d_strategy_t afdstrategy;
52 static struct cdevsw afd_cdevsw = {
56 /* write */ physwrite,
60 /* strategy */ afdstrategy,
65 /* flags */ D_DISK | D_TRACKCLOSE,
67 static struct cdevsw afddisk_cdevsw;
70 static int afd_sense(struct afd_softc *);
71 static void afd_describe(struct afd_softc *);
72 static int afd_done(struct atapi_request *);
73 static int afd_eject(struct afd_softc *, int);
74 static int afd_start_stop(struct afd_softc *, int);
75 static int afd_prevent_allow(struct afd_softc *, int);
78 static u_int32_t afd_lun_map = 0;
79 static MALLOC_DEFINE(M_AFD, "AFD driver", "ATAPI floppy driver buffers");
82 afdattach(struct ata_device *atadev)
84 struct afd_softc *fdp;
87 fdp = malloc(sizeof(struct afd_softc), M_AFD, M_NOWAIT | M_ZERO);
89 ata_prtdev(atadev, "out of memory\n");
94 fdp->lun = ata_get_lun(&afd_lun_map);
95 ata_set_name(atadev, "afd", fdp->lun);
96 bufq_init(&fdp->queue);
103 devstat_add_entry(&fdp->stats, "afd", fdp->lun, DEV_BSIZE,
104 DEVSTAT_NO_ORDERED_TAGS,
105 DEVSTAT_TYPE_DIRECT | DEVSTAT_TYPE_IF_IDE,
106 DEVSTAT_PRIORITY_WFD);
107 dev = disk_create(fdp->lun, &fdp->disk, 0, &afd_cdevsw, &afddisk_cdevsw);
111 if (!strncmp(atadev->param->model, "IOMEGA ZIP", 10) ||
112 !strncmp(atadev->param->model, "IOMEGA Clik!", 12))
113 fdp->dev->si_iosize_max = 64 * DEV_BSIZE;
115 fdp->dev->si_iosize_max = 252 * DEV_BSIZE;
118 atadev->flags |= ATA_D_MEDIA_CHANGED;
119 atadev->driver = fdp;
124 afddetach(struct ata_device *atadev)
126 struct afd_softc *fdp = atadev->driver;
129 while ((bp = bufq_first(&fdp->queue))) {
130 bufq_remove(&fdp->queue, bp);
131 bp->b_flags |= B_ERROR;
135 disk_invalidate(&fdp->disk);
136 disk_destroy(fdp->dev);
137 devstat_remove_entry(&fdp->stats);
138 ata_free_name(atadev);
139 ata_free_lun(&afd_lun_map, fdp->lun);
141 atadev->driver = NULL;
145 afd_sense(struct afd_softc *fdp)
147 int8_t ccb[16] = { ATAPI_MODE_SENSE_BIG, 0, ATAPI_REWRITEABLE_CAP_PAGE,
148 0, 0, 0, 0, sizeof(struct afd_cappage) >> 8,
149 sizeof(struct afd_cappage) & 0xff, 0, 0, 0, 0, 0, 0, 0 };
150 int count, error = 0;
152 /* The IOMEGA Clik! doesn't support reading the cap page, fake it */
153 if (!strncmp(fdp->device->param->model, "IOMEGA Clik!", 12)) {
154 fdp->cap.transfer_rate = 500;
156 fdp->cap.sectors = 2;
157 fdp->cap.cylinders = 39441;
158 fdp->cap.sector_size = 512;
159 atapi_test_ready(fdp->device);
163 /* get drive capabilities, some drives needs this repeated */
164 for (count = 0 ; count < 5 ; count++) {
165 if (!(error = atapi_queue_cmd(fdp->device, ccb, (caddr_t)&fdp->cap,
166 sizeof(struct afd_cappage),
167 ATPR_F_READ, 30, NULL, NULL)))
170 if (error || fdp->cap.page_code != ATAPI_REWRITEABLE_CAP_PAGE)
172 fdp->cap.cylinders = ntohs(fdp->cap.cylinders);
173 fdp->cap.sector_size = ntohs(fdp->cap.sector_size);
174 fdp->cap.transfer_rate = ntohs(fdp->cap.transfer_rate);
179 afd_describe(struct afd_softc *fdp)
182 ata_prtdev(fdp->device,
183 "<%.40s/%.8s> rewriteable drive at ata%d as %s\n",
184 fdp->device->param->model, fdp->device->param->revision,
185 device_get_unit(fdp->device->channel->dev),
186 (fdp->device->unit == ATA_MASTER) ? "master" : "slave");
187 ata_prtdev(fdp->device,
188 "%luMB (%u sectors), %u cyls, %u heads, %u S/T, %u B/S\n",
189 (fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors) /
190 ((1024L * 1024L) / fdp->cap.sector_size),
191 fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors,
192 fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
193 fdp->cap.sector_size);
194 ata_prtdev(fdp->device, "%dKB/s,", fdp->lun, fdp->cap.transfer_rate/8);
195 printf(" %s\n", ata_mode2str(fdp->device->mode));
196 if (fdp->cap.medium_type) {
197 ata_prtdev(fdp->device, "Medium: ");
198 switch (fdp->cap.medium_type) {
200 printf("720KB DD disk"); break;
203 printf("1.2MB HD disk"); break;
206 printf("1.44MB HD disk"); break;
209 printf("120MB UHD disk"); break;
212 printf("Unknown (0x%x)", fdp->cap.medium_type);
214 if (fdp->cap.wp) printf(", writeprotected");
219 ata_prtdev(fdp->device, "%luMB <%.40s> [%d/%d/%d] at ata%d-%s %s\n",
220 (fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors) /
221 ((1024L * 1024L) / fdp->cap.sector_size),
222 fdp->device->param->model,
223 fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
224 device_get_unit(fdp->device->channel->dev),
225 (fdp->device->unit == ATA_MASTER) ? "master" : "slave",
226 ata_mode2str(fdp->device->mode));
231 afdopen(dev_t dev, int flags, int fmt, struct proc *p)
233 struct afd_softc *fdp = dev->si_drv1;
234 struct disklabel *label = &fdp->disk.d_label;
236 atapi_test_ready(fdp->device);
238 if (count_dev(dev) == 1)
239 afd_prevent_allow(fdp, 1);
242 ata_prtdev(fdp->device, "sense media type failed\n");
244 fdp->device->flags &= ~ATA_D_MEDIA_CHANGED;
246 bzero(label, sizeof *label);
247 label->d_secsize = fdp->cap.sector_size;
248 label->d_nsectors = fdp->cap.sectors;
249 label->d_ntracks = fdp->cap.heads;
250 label->d_ncylinders = fdp->cap.cylinders;
251 label->d_secpercyl = fdp->cap.sectors * fdp->cap.heads;
252 label->d_secperunit = label->d_secpercyl * fdp->cap.cylinders;
257 afdclose(dev_t dev, int flags, int fmt, struct proc *p)
259 struct afd_softc *fdp = dev->si_drv1;
261 if (count_dev(dev) == 1)
262 afd_prevent_allow(fdp, 0);
267 afdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
269 struct afd_softc *fdp = dev->si_drv1;
273 if (count_dev(dev) > 1)
275 return afd_eject(fdp, 0);
278 if (count_dev(dev) > 1)
280 return afd_eject(fdp, 1);
288 afdstrategy(struct buf *bp)
290 struct afd_softc *fdp = bp->b_dev->si_drv1;
293 if (fdp->device->flags & ATA_D_DETACHING) {
294 bp->b_flags |= B_ERROR;
300 /* if it's a null transfer, return immediatly. */
301 if (bp->b_bcount == 0) {
308 bufqdisksort(&fdp->queue, bp);
310 ata_start(fdp->device->channel);
314 afd_start(struct ata_device *atadev)
316 struct afd_softc *fdp = atadev->driver;
317 struct buf *bp = bufq_first(&fdp->queue);
326 bufq_remove(&fdp->queue, bp);
328 /* should reject all queued entries if media have changed. */
329 if (fdp->device->flags & ATA_D_MEDIA_CHANGED) {
330 bp->b_flags |= B_ERROR;
337 count = bp->b_bcount / fdp->cap.sector_size;
338 data_ptr = bp->b_data;
339 bp->b_resid = bp->b_bcount;
341 bzero(ccb, sizeof(ccb));
343 if (bp->b_flags & B_READ)
344 ccb[0] = ATAPI_READ_BIG;
346 ccb[0] = ATAPI_WRITE_BIG;
355 devstat_start_transaction(&fdp->stats);
357 atapi_queue_cmd(fdp->device, ccb, data_ptr, count * fdp->cap.sector_size,
358 (bp->b_flags & B_READ) ? ATPR_F_READ : 0, 30,
363 afd_done(struct atapi_request *request)
365 struct buf *bp = request->driver;
366 struct afd_softc *fdp = request->device->driver;
368 if (request->error || (bp->b_flags & B_ERROR)) {
369 bp->b_error = request->error;
370 bp->b_flags |= B_ERROR;
373 bp->b_resid = bp->b_bcount - request->donecount;
374 devstat_end_transaction_buf(&fdp->stats, bp);
380 afd_eject(struct afd_softc *fdp, int close)
384 if ((error = afd_start_stop(fdp, 0)) == EBUSY) {
387 if ((error = afd_start_stop(fdp, 3)))
389 return afd_prevent_allow(fdp, 1);
395 if ((error = afd_prevent_allow(fdp, 0)))
397 fdp->device->flags |= ATA_D_MEDIA_CHANGED;
398 return afd_start_stop(fdp, 2);
402 afd_start_stop(struct afd_softc *fdp, int start)
404 int8_t ccb[16] = { ATAPI_START_STOP, 0, 0, 0, start,
405 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
407 return atapi_queue_cmd(fdp->device, ccb, NULL, 0, 0, 30, NULL, NULL);
411 afd_prevent_allow(struct afd_softc *fdp, int lock)
413 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock,
414 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
416 if (!strncmp(fdp->device->param->model, "IOMEGA Clik!", 12))
418 return atapi_queue_cmd(fdp->device, ccb, NULL, 0, 0, 30, NULL, NULL);