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 */ 58