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 | |
22 | #define CMD_FLAG_GLOBAL ((int)0x80000000) /* don't iterate "args" */ |
23 | |
24 | /* Implement a qemu-io command. |
25 | * Operate on @blk using @argc/@argv as the command's arguments, and |
26 | * return 0 on success or negative errno on failure. |
27 | */ |
28 | typedef int (*cfunc_t)(BlockBackend *blk, int argc, char **argv); |
29 | |
30 | typedef void (*helpfunc_t)(void); |
31 | |
32 | typedef struct cmdinfo { |
33 | const char* name; |
34 | const char* altname; |
35 | cfunc_t cfunc; |
36 | int argmin; |
37 | int argmax; |
38 | int canpush; |
39 | int flags; |
40 | const char *args; |
41 | const char *oneline; |
42 | helpfunc_t help; |
43 | uint64_t perm; |
44 | } cmdinfo_t; |
45 | |
46 | extern bool qemuio_misalign; |
47 | |
48 | int qemuio_command(BlockBackend *blk, const char *cmd); |
49 | |
50 | void qemuio_add_command(const cmdinfo_t *ci); |
51 | void qemuio_command_usage(const cmdinfo_t *ci); |
52 | void qemuio_complete_command(const char *input, |
53 | void (*fn)(const char *cmd, void *opaque), |
54 | void *opaque); |
55 | |
56 | #endif /* QEMU_IO_H */ |
57 | |