hw/file-op-9p.h

   1 /*
   2  * Virtio 9p
   3  *
   4  * Copyright IBM, Corp. 2010
   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 _FILEOP_H
  14 #define _FILEOP_H
  15 #include <sys/types.h>
  16 #include <dirent.h>
  17 #include <sys/time.h>
  18 #include <utime.h>
  19 #include <sys/stat.h>
  20 #include <sys/uio.h>
  21
  22 typedef struct FsContext
  23 {
  24     char *fs_root;
  25     uid_t uid;
  26 } FsContext;
  27
  28 typedef struct FileOperations
  29 {
  30     int (*lstat)(FsContext *, const char *, struct stat *);
  31     ssize_t (*readlink)(FsContext *, const char *, char *, size_t);
  32     int (*chmod)(FsContext *, const char *, mode_t);
  33     int (*chown)(FsContext *, const char *, uid_t, gid_t);
  34     int (*mknod)(FsContext *, const char *, mode_t, dev_t);
  35     int (*mksock)(FsContext *, const char *);
  36     int (*utime)(FsContext *, const char *, const struct utimbuf *);
  37     int (*remove)(FsContext *, const char *);
  38     int (*symlink)(FsContext *, const char *, const char *);
  39     int (*link)(FsContext *, const char *, const char *);
  40     int (*setuid)(FsContext *, uid_t);
  41     int (*close)(FsContext *, int);
  42     int (*closedir)(FsContext *, DIR *);
  43     DIR *(*opendir)(FsContext *, const char *);
  44     int (*open)(FsContext *, const char *, int);
  45     int (*open2)(FsContext *, const char *, int, mode_t);
  46     void (*rewinddir)(FsContext *, DIR *);
  47     off_t (*telldir)(FsContext *, DIR *);
  48     struct dirent *(*readdir)(FsContext *, DIR *);
  49     void (*seekdir)(FsContext *, DIR *, off_t);
  50     ssize_t (*readv)(FsContext *, int, const struct iovec *, int);
  51     ssize_t (*writev)(FsContext *, int, const struct iovec *, int);
  52     off_t (*lseek)(FsContext *, int, off_t, int);
  53     int (*mkdir)(FsContext *, const char *, mode_t);
  54     int (*fstat)(FsContext *, int, struct stat *);
  55     int (*rename)(FsContext *, const char *, const char *);
  56     int (*truncate)(FsContext *, const char *, off_t);
  57     int (*fsync)(FsContext *, int);
  58     void *opaque;
  59 } FileOperations;
  60 #endif