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Convert to use the new "disk" layer.

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A few cleanups while here.
This commit is contained in:
Poul-Henning Kamp 1999-08-29 13:29:29 +00:00
parent da9e4f5550
commit 9a7f910b84
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=50566
1 changed files with 78 additions and 106 deletions
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184
sys/contrib/dev/fla/fla.c
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@ -17,8 +17,7 @@
#include <sys/kernel.h>
#include <sys/buf.h>
#include <sys/malloc.h>
#include <sys/disklabel.h>
#include <sys/diskslice.h>
#include <sys/disk.h>
#include <sys/devicestat.h>
#include <sys/module.h>
#include <sys/conf.h>
@ -36,6 +35,11 @@
#ifdef SMP
#include <machine/smp.h>
#define LEAVE() rel_mplock();
#define ENTER() get_mplock();
#else
#define LEAVE()
#define ENTER()
#endif
#include <contrib/dev/fla/msysosak.h>
@ -52,7 +56,6 @@ static d_strategy_t flastrategy;
static d_open_t flaopen;
static d_close_t flaclose;
static d_ioctl_t flaioctl;
static d_psize_t flapsize;
static struct cdevsw fla_cdevsw = {
/* open */ flaopen,
@ -70,7 +73,7 @@ static struct cdevsw fla_cdevsw = {
/* parms */ noparms,
/* maj */ CDEV_MAJOR,
/* dump */ nodump,
/* psize */ flapsize,
/* psize */ nopsize,
/* flags */ D_DISK | D_CANFREE,
/* maxio */ 0,
/* bmaj */ BDEV_MAJOR
@ -115,73 +118,76 @@ doc2k_memset(void *dst, int c, unsigned len)
}
static struct fla_s {
int busy;
int unit;
unsigned nsect;
struct doc2k_stat ds;
struct diskslices *dk_slices;
struct buf_queue_head buf_queue;
struct devstat stats;
int busy;
struct disk disk;
dev_t dev;
} softc[NFLA];
static int
flaopen(dev_t dev, int flag, int fmt, struct proc *p)
{
int unit;
struct fla_s *sc;
int error;
struct disklabel dk_dd;
struct disklabel *dl;
if (fla_debug)
printf("flaopen(%x %x %x %p)\n",
dev2udev(dev), flag, fmt, p);
unit = dkunit(dev);
if (unit >= NFLA)
return (ENXIO);
sc = &softc[unit];
if (!sc->nsect)
return (ENXIO);
bzero(&dk_dd, sizeof(dk_dd));
error = doc2k_size(unit, &dk_dd.d_secperunit,
&dk_dd.d_ncylinders, &dk_dd.d_ntracks, &dk_dd.d_nsectors);
dk_dd.d_secsize = DEV_BSIZE;
dk_dd.d_secpercyl = dk_dd.d_ntracks * dk_dd.d_nsectors;
printf("flaopen(%s %x %x %p)\n",
devtoname(dev), flag, fmt, p);
sc = dev->si_drv1;
error = doc2k_open(sc->unit);
if (error) {
printf("doc2k_open(%d) -> err %d\n", sc->unit, error);
return (EIO);
}
dl = &sc->disk.d_label;
bzero(dl, sizeof(*dl));
error = doc2k_size(sc->unit, &dl->d_secperunit,
&dl->d_ncylinders, &dl->d_ntracks, &dl->d_nsectors);
dl->d_secsize = DEV_BSIZE;
dl->d_secpercyl = dl->d_ntracks * dl->d_nsectors; /* XXX */
error = dsopen(dev, fmt, 0, &sc->dk_slices, &dk_dd);
if (error)
return (error);
return (0);
}
static int
flaclose(dev_t dev, int flags, int fmt, struct proc *p)
{
int unit;
int error;
struct fla_s *sc;
if (fla_debug)
printf("flaclose(%x %x %x %p)\n",
dev2udev(dev), flags, fmt, p);
unit = dkunit(dev);
sc = &softc[unit];
dsclose(dev, fmt, sc->dk_slices);
printf("flaclose(%s %x %x %p)\n",
devtoname(dev), flags, fmt, p);
sc = dev->si_drv1;
error = doc2k_close(sc->unit);
if (error) {
printf("doc2k_close(%d) -> err %d\n", sc->unit, error);
return (EIO);
}
return (0);
}
static int
flaioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
{
int unit, error;
struct fla_s *sc;
if (fla_debug)
printf("flaioctl(%x %lx %p %x %p)\n",
dev2udev(dev), cmd, addr, flags, p);
unit = dkunit(dev);
sc = &softc[unit];
error = dsioctl(dev, cmd, addr, flags, &sc->dk_slices);
if (error == ENOIOCTL)
error = ENOTTY;
return (error);
printf("flaioctl(%s %lx %p %x %p)\n",
devtoname(dev), cmd, addr, flags, p);
return (ENOIOCTL);
}
static void
@ -194,16 +200,11 @@ flastrategy(struct buf *bp)
devstat_trans_flags dop;
if (fla_debug > 1)
printf("flastrategy(%p) %x %lx, %d, %ld, %p)\n",
bp, dev2udev(bp->b_dev), bp->b_flags, bp->b_blkno,
bp->b_bcount / DEV_BSIZE, bp->b_data);
unit = dkunit(bp->b_dev);
sc = &softc[unit];
printf("flastrategy(%p) %s %lx, %d, %ld, %p)\n",
bp, devtoname(bp->b_dev), bp->b_flags, bp->b_blkno,
bp->b_bcount / DEV_BSIZE, bp->b_data);
if (dscheck(bp, sc->dk_slices) <= 0) {
biodone(bp);
return;
}
sc = bp->b_dev->si_drv1;
s = splbio();
@ -234,14 +235,13 @@ flastrategy(struct buf *bp)
what = DOC2K_READ, dop = DEVSTAT_READ;
else
what = DOC2K_WRITE, dop = DEVSTAT_WRITE;
#ifdef SMP
rel_mplock();
#endif
LEAVE();
error = doc2k_rwe( unit, what, bp->b_pblkno,
bp->b_bcount / DEV_BSIZE, bp->b_data);
#ifdef SMP
get_mplock();
#endif
ENTER();
if (fla_debug > 1 || error) {
printf("fla%d: %d = rwe(%p, %d, %d, %d, %ld, %p)\n",
@ -266,27 +266,14 @@ flastrategy(struct buf *bp)
}
static int
flapsize(dev_t dev)
flaprobe (device_t dev)
{
int unit;
struct fla_s *sc;
if (fla_debug)
printf("flapsize(%x)\n", dev2udev(dev));
unit = dkunit(dev);
sc = &softc[unit];
if (!sc->nsect)
return 0;
return (dssize(dev, &sc->dk_slices));
}
static int
flarealprobe(int unit)
{
struct fla_s *sc;
device_t bus;
int i;
unit = device_get_unit(dev);
sc = &softc[unit];
/* This is slightly ugly */
@ -298,16 +285,22 @@ flarealprobe(int unit)
if (i)
return (ENXIO);
bus = device_get_parent(dev);
ISA_SET_RESOURCE(bus, dev, SYS_RES_MEMORY, 0,
sc->ds.window - KERNBASE, 8192);
return (0);
}
static int
flarealattach(int unit)
flaattach (device_t dev)
{
int unit;
int i, j, k, l, m, error;
struct fla_s *sc;
unit = device_get_unit(dev);
sc = &softc[unit];
error = doc2k_open(unit);
@ -324,6 +317,12 @@ flarealattach(int unit)
printf("fla%d: <%s %s>\n", unit, sc->ds.product, sc->ds.model);
error = doc2k_close(unit);
if (error) {
printf("doc2k_close(%d) -> err %d\n", unit, error);
return (EIO);
}
m = 1024L * 1024L / DEV_BSIZE;
l = (sc->nsect * 10 + m/2) / m;
printf("fla%d: %d.%01dMB (%u sectors),"
@ -338,42 +337,15 @@ flarealattach(int unit)
bufq_init(&sc->buf_queue);
return (0);
}
static int
flaprobe (device_t dev)
{
int unit;
struct fla_s *sc;
device_t bus;
int i;
unit = device_get_unit(dev);
sc = &softc[unit];
i = flarealprobe(unit);
if (i)
return (i);
bus = device_get_parent(dev);
ISA_SET_RESOURCE(bus, dev, SYS_RES_MEMORY, 0,
sc->ds.window - KERNBASE, 8192);
return (0);
}
static int
flaattach (device_t dev)
{
int unit, i;
unit = device_get_unit(dev);
i = flarealattach(unit);
devstat_add_entry(&softc[unit].stats, "fla", unit, DEV_BSIZE,
DEVSTAT_NO_ORDERED_TAGS,
DEVSTAT_TYPE_DIRECT | DEVSTAT_TYPE_IF_OTHER, 0x190);
return (i);
sc->dev = disk_create(unit, &sc->disk, &fla_cdevsw);
sc->dev->si_drv1 = sc;
sc->unit = unit;
return (0);
}
static device_method_t fla_methods[] = {
@ -391,4 +363,4 @@ static driver_t fladriver = {
static devclass_t fla_devclass;
DEV_DRIVER_MODULE(fla, isa, fladriver, fla_devclass, fla_cdevsw, 0, 0);
DRIVER_MODULE(fla, isa, fladriver, fla_devclass, 0, 0);