qemu-io.h (1691B)
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 */