/*
* Most ioctl command are just converted to their NetBSD values,
* and passed on. The ones that take structure pointers and (flag)
* values need some massaging.
*/
int
linux_sys_ioctl(struct lwp *l, const struct linux_sys_ioctl_args *uap, register_t *retval)
{
/* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(void *) data;
} */
int error;
switch (LINUX_IOCGROUP(SCARG(uap, com))) {
case 'M':
switch(SCARG(uap, com)) {
case LINUX_MEGARAID_CMD:
case LINUX_MEGARAID_GET_AEN:
{
struct sys_ioctl_args ua;
u_long com = 0;
if (SCARG(uap, com) & IOC_IN)
com |= IOC_OUT;
if (SCARG(uap, com) & IOC_OUT)
com |= IOC_IN;
SCARG(&ua, fd) = SCARG(uap, fd);
SCARG(&ua, com) = SCARG(uap, com);
SCARG(&ua, com) &= ~IOC_DIRMASK;
SCARG(&ua, com) |= com;
SCARG(&ua, data) = SCARG(uap, data);
error = sys_ioctl(l, (const void *)&ua, retval);
break;
}
default:
error = oss_ioctl_mixer(l, LINUX_TO_OSS(uap), retval);
break;
}
break;
case 'Q':
error = oss_ioctl_sequencer(l, LINUX_TO_OSS(uap), retval);
break;
case 'P':
error = oss_ioctl_audio(l, LINUX_TO_OSS(uap), retval);
break;
case 'V': /* video4linux2 */
case 'd': /* drm */
{
struct sys_ioctl_args ua;
u_long com = 0;
if (SCARG(uap, com) & IOC_IN)
com |= IOC_OUT;
if (SCARG(uap, com) & IOC_OUT)
com |= IOC_IN;
SCARG(&ua, fd) = SCARG(uap, fd);
SCARG(&ua, com) = SCARG(uap, com);
SCARG(&ua, com) &= ~IOC_DIRMASK;
SCARG(&ua, com) |= com;
SCARG(&ua, data) = SCARG(uap, data);
error = sys_ioctl(l, (const void *)&ua, retval);
break;
}
case 'r': /* VFAT ioctls; not yet supported */
error = ENOSYS;
break;
case 'S':
error = linux_ioctl_cdrom(l, uap, retval);
break;
case 't':
case 'f':
error = linux_ioctl_termios(l, uap, retval);
break;
case 'm':
error = linux_ioctl_mtio(l, uap, retval);
break;
case 'T':
{
#if NSEQUENCER > 0
/* XXX XAX 2x check this. */
/*
* Both termios and the MIDI sequencer use 'T' to identify
* the ioctl, so we have to differentiate them in another
* way. We do it by indexing in the cdevsw with the major
* device number and check if that is the sequencer entry.
*/
bool is_sequencer = false;
struct file *fp;
struct vnode *vp;
struct vattr va;
extern const struct cdevsw sequencer_cdevsw;
if ((fp = fd_getfile(SCARG(uap, fd))) == NULL)
return EBADF;
if (fp->f_type == DTYPE_VNODE &&
(vp = (struct vnode *)fp->f_data) != NULL &&
vp->v_type == VCHR) {
vn_lock(vp, LK_SHARED | LK_RETRY);
error = VOP_GETATTR(vp, &va, l->l_cred);
VOP_UNLOCK(vp);
if (error == 0 &&
cdevsw_lookup(va.va_rdev) == &sequencer_cdevsw)
is_sequencer = true;
}
if (is_sequencer) {
error = oss_ioctl_sequencer(l, (const void *)LINUX_TO_OSS(uap),
retval);
}
else {
error = linux_ioctl_termios(l, uap, retval);
}
fd_putfile(SCARG(uap, fd));
#else
error = linux_ioctl_termios(l, uap, retval);
#endif
}
break;
case '"':
error = linux_ioctl_sg(l, uap, retval);
break;
case 0x89:
error = linux_ioctl_socket(l, uap, retval);
break;
case 0x03:
error = linux_ioctl_hdio(l, uap, retval);
break;
case 0x02:
error = linux_ioctl_fdio(l, uap, retval);
break;
case 0x12:
error = linux_ioctl_blkio(l, uap, retval);
break;
default:
error = linux_machdepioctl(l, uap, retval);
break;
}
if (error == EPASSTHROUGH) {
/*
* linux returns EINVAL or ENOTTY for not supported ioctls.
*/
error = EINVAL;
}
return error;
}
int
linux_ioctl_hdio(struct proc *p, struct linux_sys_ioctl_args *uap,
register_t *retval)
{
u_long com;
int error, error1;
caddr_t sg;
struct filedesc *fdp;
struct file *fp;
int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *);
struct ataparams *atap, ata;
struct atareq req;
struct disklabel label, *labp;
struct partinfo partp;
struct linux_hd_geometry hdg;
struct linux_hd_big_geometry hdg_big;
fdp = p->p_fd;
if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
return (EBADF);
FREF(fp);
com = SCARG(uap, com);
ioctlf = fp->f_ops->fo_ioctl;
retval[0] = error = 0;
com = SCARG(uap, com);
switch (com) {
case LINUX_HDIO_OBSOLETE_IDENTITY:
case LINUX_HDIO_GET_IDENTITY:
sg = stackgap_init(p->p_emul);
atap = stackgap_alloc(&sg, DEV_BSIZE);
if (atap == NULL) {
error = ENOMEM;
break;
}
req.flags = ATACMD_READ;
req.command = WDCC_IDENTIFY;
req.databuf = (caddr_t)atap;
req.datalen = DEV_BSIZE;
req.timeout = 1000;
error = ioctlf(fp, ATAIOCCOMMAND, (caddr_t)&req, p);
if (error != 0)
break;
if (req.retsts != ATACMD_OK) {
error = EIO;
break;
}
error = copyin(atap, &ata, sizeof ata);
if (error != 0)
break;
/*
* 142 is the size of the old structure used by Linux,
* which doesn't seem to be defined anywhere anymore.
*/
error = copyout(&ata, SCARG(uap, data),
com == LINUX_HDIO_GET_IDENTITY ? sizeof ata : 142);
break;
case LINUX_HDIO_GETGEO:
error = linux_machdepioctl(p, uap, retval);
if (error == 0)
break;
error = ioctlf(fp, DIOCGDINFO, (caddr_t)&label, p);
error1 = ioctlf(fp, DIOCGPART, (caddr_t)&partp, p);
if (error != 0 && error1 != 0) {
error = error1;
break;
}
labp = error != 0 ? &label : partp.disklab;
hdg.start = error1 != 0 ? partp.part->p_offset : 0;
hdg.heads = labp->d_ntracks;
hdg.cylinders = labp->d_ncylinders;
hdg.sectors = labp->d_nsectors;
error = copyout(&hdg, SCARG(uap, data), sizeof hdg);
break;
case LINUX_HDIO_GETGEO_BIG:
error = linux_machdepioctl(p, uap, retval);
if (error == 0)
break;
case LINUX_HDIO_GETGEO_BIG_RAW:
error = ioctlf(fp, DIOCGDINFO, (caddr_t)&label, p);
error1 = ioctlf(fp, DIOCGPART, (caddr_t)&partp, p);
if (error != 0 && error1 != 0) {
error = error1;
break;
}
labp = error != 0 ? &label : partp.disklab;
hdg_big.start = error1 != 0 ? partp.part->p_offset : 0;
hdg_big.heads = labp->d_ntracks;
hdg_big.cylinders = labp->d_ncylinders;
hdg_big.sectors = labp->d_nsectors;
error = copyout(&hdg_big, SCARG(uap, data), sizeof hdg_big);
break;
case LINUX_HDIO_GET_UNMASKINTR:
case LINUX_HDIO_GET_MULTCOUNT:
case LINUX_HDIO_GET_KEEPSETTINGS:
case LINUX_HDIO_GET_32BIT:
case LINUX_HDIO_GET_NOWERR:
case LINUX_HDIO_GET_DMA:
case LINUX_HDIO_GET_NICE:
case LINUX_HDIO_DRIVE_RESET:
case LINUX_HDIO_TRISTATE_HWIF:
case LINUX_HDIO_DRIVE_TASK:
case LINUX_HDIO_DRIVE_CMD:
case LINUX_HDIO_SET_MULTCOUNT:
case LINUX_HDIO_SET_UNMASKINTR:
case LINUX_HDIO_SET_KEEPSETTINGS:
case LINUX_HDIO_SET_32BIT:
case LINUX_HDIO_SET_NOWERR:
case LINUX_HDIO_SET_DMA:
case LINUX_HDIO_SET_PIO_MODE:
case LINUX_HDIO_SCAN_HWIF:
case LINUX_HDIO_SET_NICE:
case LINUX_HDIO_UNREGISTER_HWIF:
error = EINVAL;
}
FRELE(fp);
return error;
}
