Archipelago » qemu

/*

 * Virtio 9p

 *

 * Copyright IBM, Corp. 2011

 *

 * Authors:

 *  Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

 *

 * This work is licensed under the terms of the GNU GPL, version 2.  See

 * the COPYING file in the top-level directory.

 *

 */

#ifndef HW_9PFS_VIRTIO9P_SYNTH_H

#define HW_9PFS_VIRTIO9P_SYNTH_H 1

#include <unistd.h>

#include <sys/types.h>

#include <limits.h>

typedef struct V9fsSynthNode V9fsSynthNode;

typedef ssize_t (*v9fs_synth_read)(void *buf, int len, off_t offset,

                                   void *arg);

typedef ssize_t (*v9fs_synth_write)(void *buf, int len, off_t offset,

                                    void *arg);

typedef struct V9fsSynthNodeAttr {

    int mode;

    int inode;

    int nlink;

    v9fs_synth_read read;

    v9fs_synth_write write;

} V9fsSynthNodeAttr;

struct V9fsSynthNode {

    QLIST_HEAD(, V9fsSynthNode) child;

    QLIST_ENTRY(V9fsSynthNode) sibling;

    char name[NAME_MAX];

    V9fsSynthNodeAttr *attr;

    V9fsSynthNodeAttr actual_attr;

    void *private;

    int open_count;

};

typedef struct V9fsSynthOpenState {

    off_t offset;

    V9fsSynthNode *node;

} V9fsSynthOpenState;

extern int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode,

                                 const char *name, V9fsSynthNode **result);

extern int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode,

                                    const char *name, v9fs_synth_read read,

                                    v9fs_synth_write write, void *arg);

#endif