- err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
- break;
- }
- return err ? -EFAULT: 0;
-}
-
-struct cdrom_read_audio32 {
- union cdrom_addr addr;
- u8 addr_format;
- compat_int_t nframes;
- compat_caddr_t buf;
-};
-
-struct cdrom_generic_command32 {
- unsigned char cmd[CDROM_PACKET_SIZE];
- compat_caddr_t buffer;
- compat_uint_t buflen;
- compat_int_t stat;
- compat_caddr_t sense;
- unsigned char data_direction;
- compat_int_t quiet;
- compat_int_t timeout;
- compat_caddr_t reserved[1];
-};
-
-static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct cdrom_read_audio __user *cdread_audio;
- struct cdrom_read_audio32 __user *cdread_audio32;
- __u32 data;
- void __user *datap;
-
- cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio));
- cdread_audio32 = compat_ptr(arg);
-
- if (copy_in_user(&cdread_audio->addr,
- &cdread_audio32->addr,
- (sizeof(*cdread_audio32) -
- sizeof(compat_caddr_t))))
- return -EFAULT;
-
- if (get_user(data, &cdread_audio32->buf))
- return -EFAULT;
- datap = compat_ptr(data);
- if (put_user(datap, &cdread_audio->buf))
- return -EFAULT;
-
- return sys_ioctl(fd, cmd, (unsigned long) cdread_audio);
-}
-
-static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct cdrom_generic_command __user *cgc;
- struct cdrom_generic_command32 __user *cgc32;
- u32 data;
- unsigned char dir;
- int itmp;
-
- cgc = compat_alloc_user_space(sizeof(*cgc));
- cgc32 = compat_ptr(arg);
-
- if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
- get_user(data, &cgc32->buffer) ||
- put_user(compat_ptr(data), &cgc->buffer) ||
- copy_in_user(&cgc->buflen, &cgc32->buflen,
- (sizeof(unsigned int) + sizeof(int))) ||
- get_user(data, &cgc32->sense) ||
- put_user(compat_ptr(data), &cgc->sense) ||
- get_user(dir, &cgc32->data_direction) ||
- put_user(dir, &cgc->data_direction) ||
- get_user(itmp, &cgc32->quiet) ||
- put_user(itmp, &cgc->quiet) ||
- get_user(itmp, &cgc32->timeout) ||
- put_user(itmp, &cgc->timeout) ||
- get_user(data, &cgc32->reserved[0]) ||
- put_user(compat_ptr(data), &cgc->reserved[0]))
- return -EFAULT;
-
- return sys_ioctl(fd, cmd, (unsigned long) cgc);
-}
-
-static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- int err;
-
- switch(cmd) {
- case CDROMREADAUDIO:
- err = cdrom_do_read_audio(fd, cmd, arg);
- break;
-
- case CDROM_SEND_PACKET:
- err = cdrom_do_generic_command(fd, cmd, arg);
- break;
-
- default:
- do {
- static int count;
- if (++count <= 20)
- printk("cdrom_ioctl: Unknown cmd fd(%d) "
- "cmd(%08x) arg(%08x)\n",
- (int)fd, (unsigned int)cmd, (unsigned int)arg);
- } while(0);
- err = -EINVAL;
- break;
- };
-
- return err;
-}
-#endif /* CONFIG_BLOCK */
-
-#ifdef CONFIG_VT
-
-static int vt_check(struct file *file)
-{
- struct tty_struct *tty;
- struct inode *inode = file->f_path.dentry->d_inode;
- struct vc_data *vc;
-
- if (file->f_op->ioctl != tty_ioctl)
- return -EINVAL;
-
- tty = (struct tty_struct *)file->private_data;
- if (tty_paranoia_check(tty, inode, "tty_ioctl"))
- return -EINVAL;
-
- if (tty->driver->ioctl != vt_ioctl)
- return -EINVAL;
-
- vc = (struct vc_data *)tty->driver_data;
- if (!vc_cons_allocated(vc->vc_num)) /* impossible? */
- return -ENOIOCTLCMD;
-
- /*
- * To have permissions to do most of the vt ioctls, we either have
- * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
- */
- if (current->signal->tty == tty || capable(CAP_SYS_TTY_CONFIG))
- return 1;
- return 0;
-}
-
-struct consolefontdesc32 {
- unsigned short charcount; /* characters in font (256 or 512) */
- unsigned short charheight; /* scan lines per character (1-32) */
- compat_caddr_t chardata; /* font data in expanded form */
-};
-
-static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
-{
- struct consolefontdesc32 __user *user_cfd = compat_ptr(arg);
- struct console_font_op op;
- compat_caddr_t data;
- int i, perm;
-
- perm = vt_check(file);
- if (perm < 0) return perm;
-
- switch (cmd) {
- case PIO_FONTX:
- if (!perm)
- return -EPERM;
- op.op = KD_FONT_OP_SET;
- op.flags = 0;
- op.width = 8;
- if (get_user(op.height, &user_cfd->charheight) ||
- get_user(op.charcount, &user_cfd->charcount) ||
- get_user(data, &user_cfd->chardata))
- return -EFAULT;
- op.data = compat_ptr(data);
- return con_font_op(vc_cons[fg_console].d, &op);
- case GIO_FONTX:
- op.op = KD_FONT_OP_GET;
- op.flags = 0;
- op.width = 8;
- if (get_user(op.height, &user_cfd->charheight) ||
- get_user(op.charcount, &user_cfd->charcount) ||
- get_user(data, &user_cfd->chardata))
- return -EFAULT;
- if (!data)
- return 0;
- op.data = compat_ptr(data);
- i = con_font_op(vc_cons[fg_console].d, &op);
- if (i)
- return i;
- if (put_user(op.height, &user_cfd->charheight) ||
- put_user(op.charcount, &user_cfd->charcount) ||
- put_user((compat_caddr_t)(unsigned long)op.data,
- &user_cfd->chardata))
- return -EFAULT;
- return 0;
- }
- return -EINVAL;
-}
-
-struct console_font_op32 {
- compat_uint_t op; /* operation code KD_FONT_OP_* */
- compat_uint_t flags; /* KD_FONT_FLAG_* */
- compat_uint_t width, height; /* font size */
- compat_uint_t charcount;
- compat_caddr_t data; /* font data with height fixed to 32 */
-};
-
-static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
-{
- struct console_font_op op;
- struct console_font_op32 __user *fontop = compat_ptr(arg);
- int perm = vt_check(file), i;
- struct vc_data *vc;
-
- if (perm < 0) return perm;
-
- if (copy_from_user(&op, fontop, sizeof(struct console_font_op32)))
- return -EFAULT;
- if (!perm && op.op != KD_FONT_OP_GET)
- return -EPERM;
- op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
- op.flags |= KD_FONT_FLAG_OLD;
- vc = ((struct tty_struct *)file->private_data)->driver_data;
- i = con_font_op(vc, &op);
- if (i)
- return i;
- ((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
- if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
- return -EFAULT;
- return 0;
-}
-
-struct unimapdesc32 {
- unsigned short entry_ct;
- compat_caddr_t entries;
-};
-
-static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file)
-{
- struct unimapdesc32 tmp;
- struct unimapdesc32 __user *user_ud = compat_ptr(arg);
- int perm = vt_check(file);
- struct vc_data *vc;
-
- if (perm < 0)
- return perm;
- if (copy_from_user(&tmp, user_ud, sizeof tmp))
- return -EFAULT;
- if (tmp.entries)
- if (!access_ok(VERIFY_WRITE, compat_ptr(tmp.entries),
- tmp.entry_ct*sizeof(struct unipair)))
- return -EFAULT;
- vc = ((struct tty_struct *)file->private_data)->driver_data;
- switch (cmd) {
- case PIO_UNIMAP:
- if (!perm)
- return -EPERM;
- return con_set_unimap(vc, tmp.entry_ct,
- compat_ptr(tmp.entries));
- case GIO_UNIMAP:
- if (!perm && fg_console != vc->vc_num)
- return -EPERM;
- return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct),
- compat_ptr(tmp.entries));
- }
- return 0;
-}
-
-#endif /* CONFIG_VT */
-
-static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- mm_segment_t old_fs = get_fs();
- __kernel_uid_t kuid;
- int err;
-
- cmd = SMB_IOC_GETMOUNTUID;
-
- set_fs(KERNEL_DS);
- err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
- set_fs(old_fs);
-
- if (err >= 0)
- err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg));
-
- return err;
-}
-
-struct atmif_sioc32 {
- compat_int_t number;
- compat_int_t length;
- compat_caddr_t arg;
-};
-
-struct atm_iobuf32 {
- compat_int_t length;
- compat_caddr_t buffer;
-};
-
-#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
-#define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
-#define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
-#define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
-#define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
-#define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
-#define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
-#define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
-#define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
-#define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
-#define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
-#define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
-#define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
-#define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
-#define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
-#define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
-#define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
-
-static struct {
- unsigned int cmd32;
- unsigned int cmd;
-} atm_ioctl_map[] = {
- { ATM_GETLINKRATE32, ATM_GETLINKRATE },
- { ATM_GETNAMES32, ATM_GETNAMES },
- { ATM_GETTYPE32, ATM_GETTYPE },
- { ATM_GETESI32, ATM_GETESI },
- { ATM_GETADDR32, ATM_GETADDR },
- { ATM_RSTADDR32, ATM_RSTADDR },
- { ATM_ADDADDR32, ATM_ADDADDR },
- { ATM_DELADDR32, ATM_DELADDR },
- { ATM_GETCIRANGE32, ATM_GETCIRANGE },
- { ATM_SETCIRANGE32, ATM_SETCIRANGE },
- { ATM_SETESI32, ATM_SETESI },
- { ATM_SETESIF32, ATM_SETESIF },
- { ATM_GETSTAT32, ATM_GETSTAT },
- { ATM_GETSTATZ32, ATM_GETSTATZ },
- { ATM_GETLOOP32, ATM_GETLOOP },
- { ATM_SETLOOP32, ATM_SETLOOP },
- { ATM_QUERYLOOP32, ATM_QUERYLOOP }
-};
-
-#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
-
-static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct atm_iobuf __user *iobuf;
- struct atm_iobuf32 __user *iobuf32;
- u32 data;
- void __user *datap;
- int len, err;
-
- iobuf = compat_alloc_user_space(sizeof(*iobuf));
- iobuf32 = compat_ptr(arg);
-
- if (get_user(len, &iobuf32->length) ||
- get_user(data, &iobuf32->buffer))
- return -EFAULT;
- datap = compat_ptr(data);
- if (put_user(len, &iobuf->length) ||
- put_user(datap, &iobuf->buffer))
- return -EFAULT;
-
- err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
-
- if (!err) {
- if (copy_in_user(&iobuf32->length, &iobuf->length,
- sizeof(int)))
- err = -EFAULT;
- }
-
- return err;
-}
-
-static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct atmif_sioc __user *sioc;
- struct atmif_sioc32 __user *sioc32;
- u32 data;
- void __user *datap;
- int err;
-
- sioc = compat_alloc_user_space(sizeof(*sioc));
- sioc32 = compat_ptr(arg);
-
- if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
- get_user(data, &sioc32->arg))
- return -EFAULT;
- datap = compat_ptr(data);
- if (put_user(datap, &sioc->arg))
- return -EFAULT;
-
- err = sys_ioctl(fd, cmd, (unsigned long) sioc);
-
- if (!err) {
- if (copy_in_user(&sioc32->length, &sioc->length,
- sizeof(int)))
- err = -EFAULT;
- }
- return err;
-}
-
-static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
-{
- int i;
- unsigned int cmd = 0;
-
- switch (cmd32) {
- case SONET_GETSTAT:
- case SONET_GETSTATZ:
- case SONET_GETDIAG:
- case SONET_SETDIAG:
- case SONET_CLRDIAG:
- case SONET_SETFRAMING:
- case SONET_GETFRAMING:
- case SONET_GETFRSENSE:
- return do_atmif_sioc(fd, cmd32, arg);
- }
-
- for (i = 0; i < NR_ATM_IOCTL; i++) {
- if (cmd32 == atm_ioctl_map[i].cmd32) {
- cmd = atm_ioctl_map[i].cmd;
- break;
- }
- }
- if (i == NR_ATM_IOCTL)
- return -EINVAL;
-
- switch (cmd) {
- case ATM_GETNAMES:
- return do_atm_iobuf(fd, cmd, arg);
-
- case ATM_GETLINKRATE:
- case ATM_GETTYPE:
- case ATM_GETESI:
- case ATM_GETADDR:
- case ATM_RSTADDR:
- case ATM_ADDADDR:
- case ATM_DELADDR:
- case ATM_GETCIRANGE:
- case ATM_SETCIRANGE:
- case ATM_SETESI:
- case ATM_SETESIF:
- case ATM_GETSTAT:
- case ATM_GETSTATZ:
- case ATM_GETLOOP:
- case ATM_SETLOOP:
- case ATM_QUERYLOOP:
- return do_atmif_sioc(fd, cmd, arg);
- }
-
- return -EINVAL;
-}
-
-static __attribute_used__ int
-ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- return -EINVAL;