int
fdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
{
struct fd_softc *fd =
device_lookup_private(&fd_cd, FDUNIT(dev));
struct fdformat_parms *form_parms;
struct fdformat_cmd *form_cmd;
struct ne7_fd_formb *fd_formb;
struct disklabel buffer;
int error;
unsigned int scratch;
int il[FD_MAX_NSEC + 1];
int i, j;
#ifdef __HAVE_OLD_DISKLABEL
struct disklabel newlabel;
#endif
switch (cmd) {
case DIOCGDINFO:
#ifdef __HAVE_OLD_DISKLABEL
case ODIOCGDINFO:
#endif
memset(&buffer, 0, sizeof(buffer));
buffer.d_secpercyl = fd->sc_type->seccyl;
buffer.d_type = DTYPE_FLOPPY;
buffer.d_secsize = FDC_BSIZE;
if (readdisklabel(dev, fdstrategy, &buffer, NULL) != NULL)
return EINVAL;
#ifdef __HAVE_OLD_DISKLABEL
if (cmd == ODIOCGDINFO) {
if (buffer.d_npartitions > OLDMAXPARTITIONS)
return ENOTTY;
memcpy(addr, &buffer, sizeof (struct olddisklabel));
} else
#endif
*(struct disklabel *)addr = buffer;
return 0;
case DIOCWLABEL:
if ((flag & FWRITE) == 0)
return EBADF;
/* XXX do something */
return 0;
case DIOCWDINFO:
#ifdef __HAVE_OLD_DISKLABEL
case ODIOCWDINFO:
#endif
{
struct disklabel *lp;
if ((flag & FWRITE) == 0)
return EBADF;
#ifdef __HAVE_OLD_DISKLABEL
if (cmd == ODIOCWDINFO) {
memset(&newlabel, 0, sizeof newlabel);
memcpy(&newlabel, addr, sizeof (struct olddisklabel));
lp = &newlabel;
} else
#endif
lp = (struct disklabel *)addr;
error = setdisklabel(&buffer, lp, 0, NULL);
if (error)
return error;
error = writedisklabel(dev, fdstrategy, &buffer, NULL);
return error;
}
case FDIOCGETFORMAT:
form_parms = (struct fdformat_parms *)addr;
form_parms->fdformat_version = FDFORMAT_VERSION;
form_parms->nbps = 128 * (1 << fd->sc_type->secsize);
form_parms->ncyl = fd->sc_type->cyls;
form_parms->nspt = fd->sc_type->sectrac;
form_parms->ntrk = fd->sc_type->heads;
form_parms->stepspercyl = fd->sc_type->step;
form_parms->gaplen = fd->sc_type->gap2;
form_parms->fillbyte = fd->sc_type->fillbyte;
form_parms->interleave = fd->sc_type->interleave;
switch (fd->sc_type->rate) {
case FDC_500KBPS:
form_parms->xfer_rate = 500 * 1024;
break;
case FDC_300KBPS:
form_parms->xfer_rate = 300 * 1024;
break;
case FDC_250KBPS:
form_parms->xfer_rate = 250 * 1024;
break;
default:
return EINVAL;
}
return 0;
case FDIOCSETFORMAT:
if((flag & FWRITE) == 0)
return EBADF; /* must be opened for writing */
form_parms = (struct fdformat_parms *)addr;
if (form_parms->fdformat_version != FDFORMAT_VERSION)
return EINVAL; /* wrong version of formatting prog */
scratch = form_parms->nbps >> 7;
if ((form_parms->nbps & 0x7f) || ffs(scratch) == 0 ||
scratch & ~(1 << (ffs(scratch)-1)))
/* not a power-of-two multiple of 128 */
return EINVAL;
switch (form_parms->xfer_rate) {
case 500 * 1024:
fd->sc_type->rate = FDC_500KBPS;
break;
case 300 * 1024:
fd->sc_type->rate = FDC_300KBPS;
break;
case 250 * 1024:
fd->sc_type->rate = FDC_250KBPS;
break;
default:
return EINVAL;
}
if (form_parms->nspt > FD_MAX_NSEC ||
form_parms->fillbyte > 0xff ||
form_parms->interleave > 0xff)
return EINVAL;
fd->sc_type->sectrac = form_parms->nspt;
if (form_parms->ntrk != 2 && form_parms->ntrk != 1)
return EINVAL;
fd->sc_type->heads = form_parms->ntrk;
fd->sc_type->seccyl = form_parms->nspt * form_parms->ntrk;
fd->sc_type->secsize = ffs(scratch)-1;
fd->sc_type->gap2 = form_parms->gaplen;
fd->sc_type->cyls = form_parms->ncyl;
fd->sc_type->size = fd->sc_type->seccyl * form_parms->ncyl *
form_parms->nbps / DEV_BSIZE;
fd->sc_type->step = form_parms->stepspercyl;
fd->sc_type->fillbyte = form_parms->fillbyte;
fd->sc_type->interleave = form_parms->interleave;
return 0;
case FDIOCFORMAT_TRACK:
if((flag & FWRITE) == 0)
return EBADF; /* must be opened for writing */
form_cmd = (struct fdformat_cmd *)addr;
if (form_cmd->formatcmd_version != FDFORMAT_VERSION)
return EINVAL; /* wrong version of formatting prog */
if (form_cmd->head >= fd->sc_type->heads ||
form_cmd->cylinder >= fd->sc_type->cyls) {
return EINVAL;
}
fd_formb = malloc(sizeof(struct ne7_fd_formb),
M_TEMP, M_NOWAIT);
if (fd_formb == 0)
return ENOMEM;
fd_formb->head = form_cmd->head;
fd_formb->cyl = form_cmd->cylinder;
fd_formb->transfer_rate = fd->sc_type->rate;
fd_formb->fd_formb_secshift = fd->sc_type->secsize;
fd_formb->fd_formb_nsecs = fd->sc_type->sectrac;
fd_formb->fd_formb_gaplen = fd->sc_type->gap2;
fd_formb->fd_formb_fillbyte = fd->sc_type->fillbyte;
memset(il, 0, sizeof il);
for (j = 0, i = 1; i <= fd_formb->fd_formb_nsecs; i++) {
while (il[(j%fd_formb->fd_formb_nsecs)+1])
j++;
il[(j%fd_formb->fd_formb_nsecs)+1] = i;
j += fd->sc_type->interleave;
}
for (i = 0; i < fd_formb->fd_formb_nsecs; i++) {
fd_formb->fd_formb_cylno(i) = form_cmd->cylinder;
fd_formb->fd_formb_headno(i) = form_cmd->head;
fd_formb->fd_formb_secno(i) = il[i+1];
fd_formb->fd_formb_secsize(i) = fd->sc_type->secsize;
}
error = fdformat(dev, fd_formb, l);
free(fd_formb, M_TEMP);
return error;
case FDIOCGETOPTS: /* get drive options */
*(int *)addr = fd->sc_opts;
return 0;
case FDIOCSETOPTS: /* set drive options */
fd->sc_opts = *(int *)addr;
return 0;
default:
return ENOTTY;
}
#ifdef DIAGNOSTIC
panic("fdioctl: impossible");
#endif
}
int
fdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
{
struct fd_softc *fd = fd_cd.cd_devs[FDUNIT(dev)];
struct disklabel *lp;
int error;
switch (cmd) {
case MTIOCTOP:
if (((struct mtop *)addr)->mt_op != MTOFFL)
return EIO;
return (0);
case DIOCRLDINFO:
lp = malloc(sizeof(*lp), M_TEMP, M_WAITOK);
fdgetdisklabel(dev, fd, lp, 0);
bcopy(lp, fd->sc_dk.dk_label, sizeof(*lp));
free(lp, M_TEMP);
return 0;
case DIOCGPDINFO:
fdgetdisklabel(dev, fd, (struct disklabel *)addr, 1);
return 0;
case DIOCGDINFO:
*(struct disklabel *)addr = *(fd->sc_dk.dk_label);
return 0;
case DIOCGPART:
((struct partinfo *)addr)->disklab = fd->sc_dk.dk_label;
((struct partinfo *)addr)->part =
&fd->sc_dk.dk_label->d_partitions[FDPART(dev)];
return 0;
case DIOCWDINFO:
case DIOCSDINFO:
if ((flag & FWRITE) == 0)
return EBADF;
error = setdisklabel(fd->sc_dk.dk_label,
(struct disklabel *)addr, 0);
if (error == 0) {
if (cmd == DIOCWDINFO)
error = writedisklabel(DISKLABELDEV(dev),
fdstrategy, fd->sc_dk.dk_label);
}
return error;
case FD_FORM:
if((flag & FWRITE) == 0)
return EBADF; /* must be opened for writing */
else if(((struct fd_formb *)addr)->format_version !=
FD_FORMAT_VERSION)
return EINVAL; /* wrong version of formatting prog */
else
return fdformat(dev, (struct fd_formb *)addr, p);
break;
case FD_GTYPE: /* get drive type */
*(struct fd_type *)addr = *fd->sc_type;
return 0;
case FD_GOPTS: /* get drive options */
*(int *)addr = fd->sc_opts;
return 0;
case FD_SOPTS: /* set drive options */
fd->sc_opts = *(int *)addr;
return 0;
default:
return ENOTTY;
}
#ifdef DIAGNOSTIC
panic("fdioctl: impossible");
#endif
}
