FreeBSD/Linux Kernel Cross Reference
sys/fs/smbfs/ioctl.c

     /*
      *  ioctl.c
      *
      *  Copyright (C) 1995, 1996 by Volker Lendecke
      *  Copyright (C) 1997 by Volker Lendecke
      *
      *  Please add a note about your changes to smbfs in the ChangeLog file.
      */
     
    #include <linux/errno.h>
    #include <linux/fs.h>
    #include <linux/ioctl.h>
    #include <linux/sched.h>
    #include <linux/mm.h>
    #include <linux/highuid.h>
    
    #include <linux/smb_fs.h>
    #include <linux/smb_mount.h>
    
    #include <asm/uaccess.h>
    
    #include "proto.h"
    
    int
    smb_ioctl(struct inode *inode, struct file *filp,
              unsigned int cmd, unsigned long arg)
    {
            struct smb_sb_info *server = server_from_inode(inode);
            struct smb_conn_opt opt;
            int result = -EINVAL;
    
            switch (cmd) {
            case SMB_IOC_GETMOUNTUID:
                    result = put_user(NEW_TO_OLD_UID(server->mnt->mounted_uid),
                                      (uid16_t *) arg);
                    break;
            case SMB_IOC_GETMOUNTUID32:
                    result = put_user(server->mnt->mounted_uid, (uid_t *) arg);
                    break;
    
            case SMB_IOC_NEWCONN:
                    /* arg is smb_conn_opt, or NULL if no connection was made */
                    if (!arg) {
                            result = smb_wakeup(server);
                            break;
                    }
    
                    result = -EFAULT;
                    if (!copy_from_user(&opt, (void *)arg, sizeof(opt)))
                            result = smb_newconn(server, &opt);
                    break;
            default:
                    break;
            }
    
            return result;
    }

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