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1 | /* | |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it would be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #ifndef QEMU_IO_H | |
19 | #define QEMU_IO_H | |
20 | ||
21 | #include "qemu-common.h" | |
22 | ||
23 | #define CMD_FLAG_GLOBAL ((int)0x80000000) /* don't iterate "args" */ | |
24 | ||
25 | /* Implement a qemu-io command. | |
26 | * Operate on @blk using @argc/@argv as the command's arguments, and | |
27 | * return 0 on success or negative errno on failure. | |
28 | */ | |
29 | typedef int (*cfunc_t)(BlockBackend *blk, int argc, char **argv); | |
30 | ||
31 | typedef void (*helpfunc_t)(void); | |
32 | ||
33 | typedef struct cmdinfo { | |
34 | const char* name; | |
35 | const char* altname; | |
36 | cfunc_t cfunc; | |
37 | int argmin; | |
38 | int argmax; | |
39 | int canpush; | |
40 | int flags; | |
41 | const char *args; | |
42 | const char *oneline; | |
43 | helpfunc_t help; | |
44 | uint64_t perm; | |
45 | } cmdinfo_t; | |
46 | ||
47 | extern bool qemuio_misalign; | |
48 | ||
49 | int qemuio_command(BlockBackend *blk, const char *cmd); | |
50 | ||
51 | void qemuio_add_command(const cmdinfo_t *ci); | |
52 | void qemuio_command_usage(const cmdinfo_t *ci); | |
53 | void qemuio_complete_command(const char *input, | |
54 | void (*fn)(const char *cmd, void *opaque), | |
55 | void *opaque); | |
56 | ||
57 | #endif /* QEMU_IO_H */ |