| 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, Error **errp); |
| 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, Error **errp); |
| 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 */ |