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#ifndef HW_9PFS_VIRTIO9P_SYNTH_H
  14#define HW_9PFS_VIRTIO9P_SYNTH_H 1
  15
  16#include <unistd.h>
  17#include <sys/types.h>
  18#include <limits.h>
  19
  20typedef struct V9fsSynthNode V9fsSynthNode;
  21typedef ssize_t (*v9fs_synth_read)(void *buf, int len, off_t offset,
  22                                   void *arg);
  23typedef ssize_t (*v9fs_synth_write)(void *buf, int len, off_t offset,
  24                                    void *arg);
  25typedef struct V9fsSynthNodeAttr {
  26    int mode;
  27    int inode;
  28    int nlink;
  29    v9fs_synth_read read;
  30    v9fs_synth_write write;
  31} V9fsSynthNodeAttr;
  32
  33struct 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
  43typedef struct V9fsSynthOpenState {
  44    off_t offset;
  45    V9fsSynthNode *node;
  46} V9fsSynthOpenState;
  47
  48extern int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode,
  49                                 const char *name, V9fsSynthNode **result);
  50extern 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