1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* Copyright (c) 2007 Vladimir Nadvornik <nadvornik@suse.cz>
* Copyright (c) 2007-2018 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2007-2022 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#ifdef HAVE_SCSI_SG_H
# include <scsi/sg.h>
#endif
#define XLAT_MACROS_ONLY
# include "xlat/scsi_sg_commands.h"
#undef XLAT_MACROS_ONLY
#include "xlat/sg_scsi_reset.h"
static int
decode_sg_io(struct tcb *const tcp, const uint32_t iid,
const kernel_ulong_t arg)
{
switch (iid) {
case 'S':
return decode_sg_io_v3(tcp, arg);
case 'Q':
return decode_sg_io_v4(tcp, arg);
default:
tprint_indirect_begin();
PRINT_VAL_U(iid);
tprint_indirect_end();
return RVAL_IOCTL_DECODED;
}
}
#ifdef HAVE_SCSI_SG_H
static int
decode_sg_scsi_id(struct tcb *const tcp, const kernel_ulong_t arg)
{
struct sg_scsi_id id;
if (entering(tcp))
return 0;
tprint_arg_next();
if (!umove_or_printaddr(tcp, arg, &id)) {
tprint_struct_begin();
PRINT_FIELD_D(id, host_no);
tprint_struct_next();
PRINT_FIELD_D(id, channel);
tprint_struct_next();
PRINT_FIELD_X(id, scsi_id);
tprint_struct_next();
PRINT_FIELD_D(id, lun);
tprint_struct_next();
PRINT_FIELD_X(id, scsi_type);
tprint_struct_next();
PRINT_FIELD_D(id, h_cmd_per_lun);
tprint_struct_next();
PRINT_FIELD_D(id, d_queue_depth);
tprint_struct_end();
}
return RVAL_IOCTL_DECODED;
}
#endif /* HAVE_SCSI_SG_H */
int
scsi_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
switch (code) {
case SG_IO:
if (entering(tcp)) {
uint32_t iid;
tprint_arg_next();
if (umove_or_printaddr(tcp, arg, &iid)) {
break;
} else {
return decode_sg_io(tcp, iid, arg);
}
} else {
uint32_t *piid = get_tcb_priv_data(tcp);
if (piid)
decode_sg_io(tcp, *piid, arg);
tprint_struct_end();
break;
}
#ifdef HAVE_SCSI_SG_H
/* returns struct sg_scsi_id */
case SG_GET_SCSI_ID:
return decode_sg_scsi_id(tcp, arg);
/* returns struct sg_req_info */
case SG_GET_REQUEST_TABLE:
return decode_sg_req_info(tcp, arg);
#endif /* HAVE_SCSI_SG_H */
/* takes a value by pointer */
case SG_SCSI_RESET: {
unsigned int val;
tprint_arg_next();
if (!umove_or_printaddr(tcp, arg, &val)) {
tprint_indirect_begin();
if (val & SG_SCSI_RESET_NO_ESCALATE) {
printxval(sg_scsi_reset,
SG_SCSI_RESET_NO_ESCALATE, 0);
tprint_or();
}
printxval(sg_scsi_reset,
val & ~SG_SCSI_RESET_NO_ESCALATE,
"SG_SCSI_RESET_???");
tprint_indirect_end();
}
break;
}
/* takes a signed int by pointer */
case SG_NEXT_CMD_LEN:
case SG_SET_COMMAND_Q:
case SG_SET_DEBUG:
case SG_SET_FORCE_LOW_DMA:
case SG_SET_FORCE_PACK_ID:
case SG_SET_KEEP_ORPHAN:
case SG_SET_RESERVED_SIZE:
case SG_SET_TIMEOUT:
tprint_arg_next();
printnum_int(tcp, arg, "%d");
break;
/* returns a signed int by pointer */
case SG_EMULATED_HOST:
case SG_GET_ACCESS_COUNT:
case SG_GET_COMMAND_Q:
case SG_GET_KEEP_ORPHAN:
case SG_GET_LOW_DMA:
case SG_GET_NUM_WAITING:
case SG_GET_PACK_ID:
case SG_GET_RESERVED_SIZE:
case SG_GET_SG_TABLESIZE:
case SG_GET_TRANSFORM:
case SG_GET_VERSION_NUM:
if (entering(tcp))
return 0;
tprint_arg_next();
printnum_int(tcp, arg, "%d");
break;
/* takes an integer by value */
case SG_SET_TRANSFORM:
tprint_arg_next();
PRINT_VAL_X((unsigned int) arg);
break;
/* no arguments */
case SG_GET_TIMEOUT:
break;
default:
return RVAL_DECODED;
}
return RVAL_IOCTL_DECODED;
}
|
