LXR qemu/hw/9pfs/virtio-9p-synth.h

   1/*
   2 * Virtio 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#include <unistd.h>
  15#include <sys/types.h>
  16#include <limits.h>
  17
  18typedef struct V9fsSynthNode V9fsSynthNode;
  19typedef ssize_t (*v9fs_synth_read)(void *buf, int len, off_t offset,
  20                                   void *arg);
  21typedef ssize_t (*v9fs_synth_write)(void *buf, int len, off_t offset,
  22                                    void *arg);
  23typedef struct V9fsSynthNodeAttr {
  24    int mode;
  25    int inode;
  26    int nlink;
  27    v9fs_synth_read read;
  28    v9fs_synth_write write;
  29} V9fsSynthNodeAttr;
  30
  31struct V9fsSynthNode {
  32    QLIST_HEAD(, V9fsSynthNode) child;
  33    QLIST_ENTRY(V9fsSynthNode) sibling;
  34    char name[NAME_MAX];
  35    V9fsSynthNodeAttr *attr;
  36    V9fsSynthNodeAttr actual_attr;
  37    void *private;
  38    int open_count;
  39};
  40
  41typedef struct V9fsSynthOpenState {
  42    off_t offset;
  43    V9fsSynthNode *node;
  44} V9fsSynthOpenState;
  45
  46extern int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode,
  47                                 const char *name, V9fsSynthNode **result);
  48extern int 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