1 /*
2 * Copyright (c) 2018 The strace developers.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "defs.h"
29 #include "print_fields.h"
30 #include <linux/ioctl.h>
31 #include <linux/types.h>
32 #include <linux/nbd.h>
33
34 #define XLAT_MACROS_ONLY
35 # include "xlat/nbd_ioctl_cmds.h"
36 #undef XLAT_MACROS_ONLY
37
38 #include "xlat/nbd_ioctl_flags.h"
39
40 int
nbd_ioctl(struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)41 nbd_ioctl(struct tcb *const tcp, const unsigned int code,
42 const kernel_ulong_t arg)
43 {
44 switch (code) {
45 case NBD_DISCONNECT:
46 case NBD_CLEAR_SOCK:
47 case NBD_DO_IT:
48 case NBD_CLEAR_QUE:
49 case NBD_PRINT_DEBUG:
50 return RVAL_IOCTL_DECODED;
51
52 case NBD_SET_SOCK:
53 tprints(", ");
54 printfd(tcp, arg);
55 return RVAL_IOCTL_DECODED;
56
57 case NBD_SET_BLKSIZE:
58 case NBD_SET_SIZE:
59 case NBD_SET_SIZE_BLOCKS:
60 case NBD_SET_TIMEOUT:
61 tprints(", ");
62 tprintf("%" PRI_klu, arg);
63 return RVAL_IOCTL_DECODED;
64
65 case NBD_SET_FLAGS:
66 tprints(", ");
67 printflags(nbd_ioctl_flags, arg, "NBD_IOC_FLAG_???");
68 return RVAL_IOCTL_DECODED;
69
70 default:
71 return RVAL_DECODED;
72 }
73 }
74