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[strace] / print_sg_req_info.c
1 /*
2  * Decode struct sg_req_info.
3  *
4  * Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include "defs.h"
31
32 #ifdef HAVE_SCSI_SG_H
33
34 #include DEF_MPERS_TYPE(struct_sg_req_info)
35
36 # include <scsi/sg.h>
37
38 typedef struct sg_req_info struct_sg_req_info;
39
40 #endif /* HAVE_SCSI_SG_H */
41
42 #include MPERS_DEFS
43
44 #ifdef HAVE_SCSI_SG_H
45
46 MPERS_PRINTER_DECL(int, decode_sg_req_info,
47                    struct tcb *const tcp, const kernel_ulong_t arg)
48 {
49         struct_sg_req_info info;
50
51         if (entering(tcp))
52                 return 0;
53
54         tprints(", ");
55         if (!umove_or_printaddr(tcp, arg, &info)) {
56                 tprintf("{req_state=%hhd"
57                         ", orphan=%hhd"
58                         ", sg_io_owned=%hhd"
59                         ", problem=%hhd"
60                         ", pack_id=%d"
61                         ", usr_ptr=",
62                         info.req_state,
63                         info.orphan,
64                         info.sg_io_owned,
65                         info.problem,
66                         info.pack_id);
67                 printaddr(ptr_to_kulong(info.usr_ptr));
68                 tprintf(", duration=%u}", info.duration);
69         }
70
71         return RVAL_DECODED | 1;
72 }
73
74 #endif /* HAVE_SCSI_SG_H */