qemu/hw/9pfs/9p-synth.h
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   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
  14#ifndef QEMU_9P_SYNTH_H
  15#define QEMU_9P_SYNTH_H
  16
  17typedef struct V9fsSynthNode V9fsSynthNode;
  18typedef ssize_t (*v9fs_synth_read)(void *buf, int len, off_t offset,
  19                                   void *arg);
  20typedef ssize_t (*v9fs_synth_write)(void *buf, int len, off_t offset,
  21                                    void *arg);
  22typedef struct V9fsSynthNodeAttr {
  23    int mode;
  24    int inode;
  25    int nlink;
  26    v9fs_synth_read read;
  27    v9fs_synth_write write;
  28} V9fsSynthNodeAttr;
  29
  30struct V9fsSynthNode {
  31    QLIST_HEAD(, V9fsSynthNode) child;
  32    QLIST_ENTRY(V9fsSynthNode) sibling;
  33    char name[NAME_MAX];
  34    V9fsSynthNodeAttr *attr;
  35    V9fsSynthNodeAttr actual_attr;
  36    void *private;
  37    int open_count;
  38};
  39
  40typedef struct V9fsSynthOpenState {
  41    off_t offset;
  42    V9fsSynthNode *node;
  43    struct dirent dent;
  44} V9fsSynthOpenState;
  45
  46int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode,
  47                          const char *name, V9fsSynthNode **result);
  48int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode,
  49                             const char *name, v9fs_synth_read read,
  50                             v9fs_synth_write write, void *arg);
  51
  52#endif
  53