1 /* 2 * 9p 3 * 4 * Copyright IBM, Corp. 2011 5 * 6 * Authors: 7 * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2. See 10 * the COPYING file in the top-level directory. 11 * 12 */ 13 #ifndef HW_9PFS_SYNTH_H 14 #define HW_9PFS_SYNTH_H 1 15 16 #include <unistd.h> 17 #include <sys/types.h> 18 #include <limits.h> 19 20 typedef struct V9fsSynthNode V9fsSynthNode; 21 typedef ssize_t (*v9fs_synth_read)(void *buf, int len, off_t offset, 22 void *arg); 23 typedef ssize_t (*v9fs_synth_write)(void *buf, int len, off_t offset, 24 void *arg); 25 typedef struct V9fsSynthNodeAttr { 26 int mode; 27 int inode; 28 int nlink; 29 v9fs_synth_read read; 30 v9fs_synth_write write; 31 } V9fsSynthNodeAttr; 32 33 struct V9fsSynthNode { 34 QLIST_HEAD(, V9fsSynthNode) child; 35 QLIST_ENTRY(V9fsSynthNode) sibling; 36 char name[NAME_MAX]; 37 V9fsSynthNodeAttr *attr; 38 V9fsSynthNodeAttr actual_attr; 39 void *private; 40 int open_count; 41 }; 42 43 typedef struct V9fsSynthOpenState { 44 off_t offset; 45 V9fsSynthNode *node; 46 } V9fsSynthOpenState; 47 48 extern int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode, 49 const char *name, V9fsSynthNode **result); 50 extern int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode, 51 const char *name, v9fs_synth_read read, 52 v9fs_synth_write write, void *arg); 53 54 #endif 55