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/*
* 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/time.h>
#include <linux/mm.h>
#include <linux/highuid.h>
#include <linux/smp_lock.h>
#include <linux/net.h>
#include <linux/smb_fs.h>
#include <linux/smb_mount.h>
#include <asm/uaccess.h>
#include "proto.h"
long
smb_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct smb_sb_info *server = server_from_inode(filp->f_path.dentry->d_inode);
struct smb_conn_opt opt;
int result = -EINVAL;
lock_kernel();
switch (cmd) {
uid16_t uid16;
uid_t uid32;
case SMB_IOC_GETMOUNTUID:
SET_UID(uid16, server->mnt->mounted_uid);
result = put_user(uid16, (uid16_t __user *) arg);
break;
case SMB_IOC_GETMOUNTUID32:
SET_UID(uid32, server->mnt->mounted_uid);
result = put_user(uid32, (uid_t __user *) arg);
break;
case SMB_IOC_NEWCONN:
/* arg is smb_conn_opt, or NULL if no connection was made */
if (!arg) {
result = 0;
smb_lock_server(server);
server->state = CONN_RETRIED;
printk(KERN_ERR "Connection attempt failed! [%d]\n",
server->conn_error);
smbiod_flush(server);
smb_unlock_server(server);
break;
}
result = -EFAULT;
if (!copy_from_user(&opt, (void __user *)arg, sizeof(opt)))
result = smb_newconn(server, &opt);
break;
default:
break;
}
unlock_kernel();
return result;
}
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