466 lines
13 KiB
C
466 lines
13 KiB
C
/*-
|
|
* Copyright (c) 1998,1999,2000,2001 Søren Schmidt
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* without modification, immediately at the beginning of the file.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/ata.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/bio.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/devicestat.h>
|
|
#include <sys/cdio.h>
|
|
#include <dev/ata/ata-all.h>
|
|
#include <dev/ata/atapi-all.h>
|
|
#include <dev/ata/atapi-fd.h>
|
|
|
|
/* device structures */
|
|
static d_open_t afdopen;
|
|
static d_close_t afdclose;
|
|
static d_ioctl_t afdioctl;
|
|
static d_strategy_t afdstrategy;
|
|
static struct cdevsw afd_cdevsw = {
|
|
/* open */ afdopen,
|
|
/* close */ afdclose,
|
|
/* read */ physread,
|
|
/* write */ physwrite,
|
|
/* ioctl */ afdioctl,
|
|
/* poll */ nopoll,
|
|
/* mmap */ nommap,
|
|
/* strategy */ afdstrategy,
|
|
/* name */ "afd",
|
|
/* maj */ 118,
|
|
/* dump */ nodump,
|
|
/* psize */ nopsize,
|
|
/* flags */ D_DISK | D_TRACKCLOSE,
|
|
};
|
|
static struct cdevsw afddisk_cdevsw;
|
|
|
|
/* prototypes */
|
|
static int afd_sense(struct afd_softc *);
|
|
static void afd_describe(struct afd_softc *);
|
|
static int afd_partial_done(struct atapi_request *);
|
|
static int afd_done(struct atapi_request *);
|
|
static int afd_eject(struct afd_softc *, int);
|
|
static int afd_start_stop(struct afd_softc *, int);
|
|
static int afd_prevent_allow(struct afd_softc *, int);
|
|
|
|
/* internal vars */
|
|
static u_int32_t afd_lun_map = 0;
|
|
static MALLOC_DEFINE(M_AFD, "AFD driver", "ATAPI floppy driver buffers");
|
|
|
|
int
|
|
afdattach(struct atapi_softc *atp)
|
|
{
|
|
struct afd_softc *fdp;
|
|
dev_t dev;
|
|
char name[16];
|
|
|
|
fdp = malloc(sizeof(struct afd_softc), M_AFD, M_NOWAIT | M_ZERO);
|
|
if (!fdp) {
|
|
ata_printf(atp->controller, atp->unit, "out of memory\n");
|
|
return -1;
|
|
}
|
|
|
|
fdp->atp = atp;
|
|
fdp->lun = ata_get_lun(&afd_lun_map);
|
|
sprintf(name, "afd%d", fdp->lun);
|
|
ata_set_name(atp->controller, atp->unit, name);
|
|
bioq_init(&fdp->queue);
|
|
|
|
if (afd_sense(fdp)) {
|
|
free(fdp, M_AFD);
|
|
return -1;
|
|
}
|
|
|
|
if (!strncmp(ATA_PARAM(fdp->atp->controller, fdp->atp->unit)->model,
|
|
"IOMEGA ZIP", 10))
|
|
fdp->transfersize = 64;
|
|
|
|
devstat_add_entry(&fdp->stats, "afd", fdp->lun, DEV_BSIZE,
|
|
DEVSTAT_NO_ORDERED_TAGS,
|
|
DEVSTAT_TYPE_DIRECT | DEVSTAT_TYPE_IF_IDE,
|
|
DEVSTAT_PRIORITY_WFD);
|
|
dev = disk_create(fdp->lun, &fdp->disk, 0, &afd_cdevsw, &afddisk_cdevsw);
|
|
dev->si_drv1 = fdp;
|
|
dev->si_iosize_max = 252 * DEV_BSIZE;
|
|
fdp->dev = dev;
|
|
fdp->atp->flags |= ATAPI_F_MEDIA_CHANGED;
|
|
fdp->atp->driver = fdp;
|
|
afd_describe(fdp);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
afddetach(struct atapi_softc *atp)
|
|
{
|
|
struct afd_softc *fdp = atp->driver;
|
|
struct bio *bp;
|
|
|
|
while ((bp = bioq_first(&fdp->queue))) {
|
|
bp->bio_error = ENXIO;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
biodone(bp);
|
|
}
|
|
disk_invalidate(&fdp->disk);
|
|
disk_destroy(fdp->dev);
|
|
devstat_remove_entry(&fdp->stats);
|
|
ata_free_name(atp->controller, atp->unit);
|
|
ata_free_lun(&afd_lun_map, fdp->lun);
|
|
free(fdp, M_AFD);
|
|
}
|
|
|
|
static int
|
|
afd_sense(struct afd_softc *fdp)
|
|
{
|
|
int8_t buffer[256];
|
|
int8_t ccb[16] = { ATAPI_MODE_SENSE_BIG, 0, ATAPI_REWRITEABLE_CAP_PAGE,
|
|
0, 0, 0, 0, sizeof(buffer)>>8, sizeof(buffer) & 0xff,
|
|
0, 0, 0, 0, 0, 0, 0 };
|
|
int count, error = 0;
|
|
|
|
/* The IOMEGA Clik! doesn't support reading the cap page, fake it */
|
|
if (!strncmp(ATA_PARAM(fdp->atp->controller, fdp->atp->unit)->model,
|
|
"IOMEGA Clik!", 12)) {
|
|
fdp->transfersize = 64;
|
|
fdp->cap.transfer_rate = 500;
|
|
fdp->cap.heads = 1;
|
|
fdp->cap.sectors = 2;
|
|
fdp->cap.cylinders = 39441;
|
|
fdp->cap.sector_size = 512;
|
|
atapi_test_ready(fdp->atp);
|
|
return 0;
|
|
}
|
|
|
|
bzero(buffer, sizeof(buffer));
|
|
/* get drive capabilities, some drives needs this repeated */
|
|
for (count = 0 ; count < 5 ; count++) {
|
|
if (!(error = atapi_queue_cmd(fdp->atp, ccb, buffer, sizeof(buffer),
|
|
ATPR_F_READ, 30, NULL, NULL)))
|
|
break;
|
|
}
|
|
if (error)
|
|
return error;
|
|
bcopy(buffer, &fdp->header, sizeof(struct afd_header));
|
|
bcopy(buffer + sizeof(struct afd_header), &fdp->cap,
|
|
sizeof(struct afd_cappage));
|
|
if (fdp->cap.page_code != ATAPI_REWRITEABLE_CAP_PAGE)
|
|
return 1;
|
|
fdp->cap.cylinders = ntohs(fdp->cap.cylinders);
|
|
fdp->cap.sector_size = ntohs(fdp->cap.sector_size);
|
|
fdp->cap.transfer_rate = ntohs(fdp->cap.transfer_rate);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
afd_describe(struct afd_softc *fdp)
|
|
{
|
|
if (bootverbose) {
|
|
ata_printf(fdp->atp->controller, fdp->atp->unit,
|
|
"<%.40s/%.8s> rewriteable drive at ata%d as %s\n",
|
|
ATA_PARAM(fdp->atp->controller, fdp->atp->unit)->model,
|
|
ATA_PARAM(fdp->atp->controller, fdp->atp->unit)->revision,
|
|
device_get_unit(fdp->atp->controller->dev),
|
|
(fdp->atp->unit == ATA_MASTER) ? "master" : "slave");
|
|
ata_printf(fdp->atp->controller, fdp->atp->unit,
|
|
"%luMB (%u sectors), %u cyls, %u heads, %u S/T, %u B/S\n",
|
|
(fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors) /
|
|
((1024L * 1024L) / fdp->cap.sector_size),
|
|
fdp->cap.cylinders * fdp->cap.heads * fdp->cap.sectors,
|
|
fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
|
|
fdp->cap.sector_size);
|
|
ata_printf(fdp->atp->controller, fdp->atp->unit, "%dKB/s,",
|
|
fdp->lun, fdp->cap.transfer_rate/8);
|
|
if (fdp->transfersize)
|
|
printf(" transfer limit %d blks,", fdp->transfersize);
|
|
printf(" %s\n", ata_mode2str(fdp->atp->controller->mode[
|
|
ATA_DEV(fdp->atp->unit)]));
|
|
if (fdp->header.medium_type) {
|
|
ata_printf(fdp->atp->controller, fdp->atp->unit, "Medium: ");
|
|
switch (fdp->header.medium_type) {
|
|
case MFD_2DD:
|
|
printf("720KB DD disk"); break;
|
|
|
|
case MFD_HD_12:
|
|
printf("1.2MB HD disk"); break;
|
|
|
|
case MFD_HD_144:
|
|
printf("1.44MB HD disk"); break;
|
|
|
|
case MFD_UHD:
|
|
printf("120MB UHD disk"); break;
|
|
|
|
default:
|
|
printf("Unknown (0x%x)", fdp->header.medium_type);
|
|
}
|
|
if (fdp->header.wp) printf(", writeprotected");
|
|
}
|
|
printf("\n");
|
|
}
|
|
else {
|
|
ata_printf(fdp->atp->controller, fdp->atp->unit,
|
|
"%luMB <%.40s> [%d/%d/%d] at ata%d-%s %s\n",
|
|
(fdp->cap.cylinders*fdp->cap.heads*fdp->cap.sectors) /
|
|
((1024L * 1024L) / fdp->cap.sector_size),
|
|
ATA_PARAM(fdp->atp->controller, fdp->atp->unit)->model,
|
|
fdp->cap.cylinders, fdp->cap.heads, fdp->cap.sectors,
|
|
device_get_unit(fdp->atp->controller->dev),
|
|
(fdp->atp->unit == ATA_MASTER) ? "master" : "slave",
|
|
ata_mode2str(fdp->atp->controller->
|
|
mode[ATA_DEV(fdp->atp->unit)]));
|
|
}
|
|
}
|
|
|
|
static int
|
|
afdopen(dev_t dev, int flags, int fmt, struct proc *p)
|
|
{
|
|
struct afd_softc *fdp = dev->si_drv1;
|
|
struct disklabel *label = &fdp->disk.d_label;
|
|
|
|
atapi_test_ready(fdp->atp);
|
|
|
|
if (count_dev(dev) == 1)
|
|
afd_prevent_allow(fdp, 1);
|
|
|
|
if (afd_sense(fdp))
|
|
ata_printf(fdp->atp->controller, fdp->atp->unit,
|
|
"sense media type failed\n");
|
|
|
|
fdp->atp->flags &= ~ATAPI_F_MEDIA_CHANGED;
|
|
|
|
bzero(label, sizeof *label);
|
|
label->d_secsize = fdp->cap.sector_size;
|
|
label->d_nsectors = fdp->cap.sectors;
|
|
label->d_ntracks = fdp->cap.heads;
|
|
label->d_ncylinders = fdp->cap.cylinders;
|
|
label->d_secpercyl = fdp->cap.sectors * fdp->cap.heads;
|
|
label->d_secperunit = label->d_secpercyl * fdp->cap.cylinders;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
afdclose(dev_t dev, int flags, int fmt, struct proc *p)
|
|
{
|
|
struct afd_softc *fdp = dev->si_drv1;
|
|
|
|
if (count_dev(dev) == 1)
|
|
afd_prevent_allow(fdp, 0);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
afdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
|
|
{
|
|
struct afd_softc *fdp = dev->si_drv1;
|
|
|
|
switch (cmd) {
|
|
case CDIOCEJECT:
|
|
if (count_dev(dev) > 1)
|
|
return EBUSY;
|
|
return afd_eject(fdp, 0);
|
|
|
|
case CDIOCCLOSE:
|
|
if (count_dev(dev) > 1)
|
|
return 0;
|
|
return afd_eject(fdp, 1);
|
|
|
|
default:
|
|
return ENOIOCTL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
afdstrategy(struct bio *bp)
|
|
{
|
|
struct afd_softc *fdp = bp->bio_dev->si_drv1;
|
|
int s;
|
|
|
|
if (fdp->atp->flags & ATAPI_F_DETACHING) {
|
|
bp->bio_error = ENXIO;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
biodone(bp);
|
|
return;
|
|
}
|
|
|
|
/* if it's a null transfer, return immediatly. */
|
|
if (bp->bio_bcount == 0) {
|
|
bp->bio_resid = 0;
|
|
biodone(bp);
|
|
return;
|
|
}
|
|
|
|
s = splbio();
|
|
bioqdisksort(&fdp->queue, bp);
|
|
ata_start(fdp->atp->controller);
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
afd_start(struct atapi_softc *atp)
|
|
{
|
|
struct afd_softc *fdp = atp->driver;
|
|
struct bio *bp = bioq_first(&fdp->queue);
|
|
u_int32_t lba;
|
|
u_int16_t count;
|
|
int8_t ccb[16];
|
|
caddr_t data_ptr;
|
|
|
|
if (!bp)
|
|
return;
|
|
|
|
bioq_remove(&fdp->queue, bp);
|
|
|
|
/* should reject all queued entries if media have changed. */
|
|
if (fdp->atp->flags & ATAPI_F_MEDIA_CHANGED) {
|
|
bp->bio_error = EIO;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
biodone(bp);
|
|
return;
|
|
}
|
|
|
|
lba = bp->bio_pblkno;
|
|
count = bp->bio_bcount / fdp->cap.sector_size;
|
|
data_ptr = bp->bio_data;
|
|
bp->bio_resid = 0;
|
|
|
|
bzero(ccb, sizeof(ccb));
|
|
|
|
if (bp->bio_cmd == BIO_READ)
|
|
ccb[0] = ATAPI_READ_BIG;
|
|
else
|
|
ccb[0] = ATAPI_WRITE_BIG;
|
|
|
|
devstat_start_transaction(&fdp->stats);
|
|
|
|
while (fdp->transfersize && (count > fdp->transfersize)) {
|
|
ccb[2] = lba>>24;
|
|
ccb[3] = lba>>16;
|
|
ccb[4] = lba>>8;
|
|
ccb[5] = lba;
|
|
ccb[7] = fdp->transfersize>>8;
|
|
ccb[8] = fdp->transfersize;
|
|
|
|
atapi_queue_cmd(fdp->atp, ccb, data_ptr,
|
|
fdp->transfersize * fdp->cap.sector_size,
|
|
(bp->bio_cmd == BIO_READ) ? ATPR_F_READ : 0, 30,
|
|
afd_partial_done, bp);
|
|
|
|
count -= fdp->transfersize;
|
|
lba += fdp->transfersize;
|
|
data_ptr += fdp->transfersize * fdp->cap.sector_size;
|
|
}
|
|
|
|
ccb[2] = lba>>24;
|
|
ccb[3] = lba>>16;
|
|
ccb[4] = lba>>8;
|
|
ccb[5] = lba;
|
|
ccb[7] = count>>8;
|
|
ccb[8] = count;
|
|
|
|
atapi_queue_cmd(fdp->atp, ccb, data_ptr, count * fdp->cap.sector_size,
|
|
(bp->bio_cmd == BIO_READ) ? ATPR_F_READ : 0, 30,
|
|
afd_done, bp);
|
|
}
|
|
|
|
static int
|
|
afd_partial_done(struct atapi_request *request)
|
|
{
|
|
struct bio *bp = request->driver;
|
|
|
|
if (request->error) {
|
|
bp->bio_error = request->error;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
}
|
|
bp->bio_resid += request->bytecount;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
afd_done(struct atapi_request *request)
|
|
{
|
|
struct bio *bp = request->driver;
|
|
struct afd_softc *fdp = request->device->driver;
|
|
|
|
if (request->error || (bp->bio_flags & BIO_ERROR)) {
|
|
bp->bio_error = request->error;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
}
|
|
else
|
|
bp->bio_resid += (bp->bio_bcount - request->donecount);
|
|
devstat_end_transaction_bio(&fdp->stats, bp);
|
|
biodone(bp);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
afd_eject(struct afd_softc *fdp, int close)
|
|
{
|
|
int error;
|
|
|
|
if ((error = afd_start_stop(fdp, 0)) == EBUSY) {
|
|
if (!close)
|
|
return 0;
|
|
if ((error = afd_start_stop(fdp, 3)))
|
|
return error;
|
|
return afd_prevent_allow(fdp, 1);
|
|
}
|
|
if (error)
|
|
return error;
|
|
if (close)
|
|
return 0;
|
|
if ((error = afd_prevent_allow(fdp, 0)))
|
|
return error;
|
|
fdp->atp->flags |= ATAPI_F_MEDIA_CHANGED;
|
|
return afd_start_stop(fdp, 2);
|
|
}
|
|
|
|
static int
|
|
afd_start_stop(struct afd_softc *fdp, int start)
|
|
{
|
|
int8_t ccb[16] = { ATAPI_START_STOP, 0, 0, 0, start,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
|
return atapi_queue_cmd(fdp->atp, ccb, NULL, 0, 0, 30, NULL, NULL);
|
|
}
|
|
|
|
static int
|
|
afd_prevent_allow(struct afd_softc *fdp, int lock)
|
|
{
|
|
int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
|
if (!strncmp(ATA_PARAM(fdp->atp->controller, fdp->atp->unit)->model,
|
|
"IOMEGA Clik!", 12))
|
|
return 0;
|
|
return atapi_queue_cmd(fdp->atp, ccb, NULL, 0, 0, 30, NULL, NULL);
|
|
}
|