From 148753b6dfd312e494c97094df2deb8c7b1f3379 Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu2@citrix.com>
Date: Thu, 7 Jan 2016 18:18:02 +0000
Subject: [PATCH] 9pfs: break out 9p.h from virtio-9p.h

Move out generic definitions from virtio-9p.h to 9p.h. Fix header
inclusions.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
(cherry picked from commit ebe74f8ba2f1f68b87d7289696acc4741a30d2da)
[BR: Fix and/or infrastructure for BSC#1020427 CVE-2016-9602]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 hw/9pfs/9p-handle.c       |   2 +-
 hw/9pfs/9p-local.c        |   2 +-
 hw/9pfs/9p-posix-acl.c    |   2 +-
 hw/9pfs/9p-proxy.c        |   2 +-
 hw/9pfs/9p-xattr-user.c   |   2 +-
 hw/9pfs/9p-xattr.c        |   2 +-
 hw/9pfs/9p.h              | 325 +++++++++++++++++++++++++++++++++++++
 hw/9pfs/virtio-9p-synth.c |   2 +-
 hw/9pfs/virtio-9p.h       | 327 +-------------------------------------
 9 files changed, 333 insertions(+), 333 deletions(-)

diff --git a/hw/9pfs/9p-handle.c b/hw/9pfs/9p-handle.c
index d67c586782..63345ef4ac 100644
--- a/hw/9pfs/9p-handle.c
+++ b/hw/9pfs/9p-handle.c
@@ -11,7 +11,7 @@
  *
  */
 
-#include "virtio-9p.h"
+#include "9p.h"
 #include "9p-xattr.h"
 #include <arpa/inet.h>
 #include <pwd.h>
diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index fb0bad10f3..dfc10ec81a 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -11,7 +11,7 @@
  *
  */
 
-#include "virtio-9p.h"
+#include "9p.h"
 #include "9p-xattr.h"
 #include <arpa/inet.h>
 #include <pwd.h>
diff --git a/hw/9pfs/9p-posix-acl.c b/hw/9pfs/9p-posix-acl.c
index 79d70fb554..7ac75a6e49 100644
--- a/hw/9pfs/9p-posix-acl.c
+++ b/hw/9pfs/9p-posix-acl.c
@@ -13,7 +13,7 @@
 
 #include <sys/types.h>
 #include "qemu/xattr.h"
-#include "virtio-9p.h"
+#include "9p.h"
 #include "fsdev/file-op-9p.h"
 #include "9p-xattr.h"
 
diff --git a/hw/9pfs/9p-proxy.c b/hw/9pfs/9p-proxy.c
index c8f8cbb831..9bbcbf3ae5 100644
--- a/hw/9pfs/9p-proxy.c
+++ b/hw/9pfs/9p-proxy.c
@@ -11,7 +11,7 @@
  */
 #include <sys/socket.h>
 #include <sys/un.h>
-#include "virtio-9p.h"
+#include "9p.h"
 #include "fsdev/qemu-fsdev.h"
 #include "9p-proxy.h"
 
diff --git a/hw/9pfs/9p-xattr-user.c b/hw/9pfs/9p-xattr-user.c
index 245ab8397a..929c2b542b 100644
--- a/hw/9pfs/9p-xattr-user.c
+++ b/hw/9pfs/9p-xattr-user.c
@@ -12,7 +12,7 @@
  */
 
 #include <sys/types.h>
-#include "virtio-9p.h"
+#include "9p.h"
 #include "fsdev/file-op-9p.h"
 #include "9p-xattr.h"
 
diff --git a/hw/9pfs/9p-xattr.c b/hw/9pfs/9p-xattr.c
index a8e18ded61..2cb1fcbe19 100644
--- a/hw/9pfs/9p-xattr.c
+++ b/hw/9pfs/9p-xattr.c
@@ -11,7 +11,7 @@
  *
  */
 
-#include "virtio-9p.h"
+#include "9p.h"
 #include "fsdev/file-op-9p.h"
 #include "9p-xattr.h"
 
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
new file mode 100644
index 0000000000..396105f58e
--- /dev/null
+++ b/hw/9pfs/9p.h
@@ -0,0 +1,325 @@
+#ifndef _QEMU_9P_H
+#define _QEMU_9P_H
+
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/time.h>
+#include <utime.h>
+#include <sys/resource.h>
+#include <glib.h>
+#include "standard-headers/linux/virtio_9p.h"
+#include "hw/virtio.h"
+#include "fsdev/file-op-9p.h"
+#include "fsdev/9p-iov-marshal.h"
+#include "qemu/thread.h"
+#include "qemu/coroutine.h"
+
+enum {
+    P9_TLERROR = 6,
+    P9_RLERROR,
+    P9_TSTATFS = 8,
+    P9_RSTATFS,
+    P9_TLOPEN = 12,
+    P9_RLOPEN,
+    P9_TLCREATE = 14,
+    P9_RLCREATE,
+    P9_TSYMLINK = 16,
+    P9_RSYMLINK,
+    P9_TMKNOD = 18,
+    P9_RMKNOD,
+    P9_TRENAME = 20,
+    P9_RRENAME,
+    P9_TREADLINK = 22,
+    P9_RREADLINK,
+    P9_TGETATTR = 24,
+    P9_RGETATTR,
+    P9_TSETATTR = 26,
+    P9_RSETATTR,
+    P9_TXATTRWALK = 30,
+    P9_RXATTRWALK,
+    P9_TXATTRCREATE = 32,
+    P9_RXATTRCREATE,
+    P9_TREADDIR = 40,
+    P9_RREADDIR,
+    P9_TFSYNC = 50,
+    P9_RFSYNC,
+    P9_TLOCK = 52,
+    P9_RLOCK,
+    P9_TGETLOCK = 54,
+    P9_RGETLOCK,
+    P9_TLINK = 70,
+    P9_RLINK,
+    P9_TMKDIR = 72,
+    P9_RMKDIR,
+    P9_TRENAMEAT = 74,
+    P9_RRENAMEAT,
+    P9_TUNLINKAT = 76,
+    P9_RUNLINKAT,
+    P9_TVERSION = 100,
+    P9_RVERSION,
+    P9_TAUTH = 102,
+    P9_RAUTH,
+    P9_TATTACH = 104,
+    P9_RATTACH,
+    P9_TERROR = 106,
+    P9_RERROR,
+    P9_TFLUSH = 108,
+    P9_RFLUSH,
+    P9_TWALK = 110,
+    P9_RWALK,
+    P9_TOPEN = 112,
+    P9_ROPEN,
+    P9_TCREATE = 114,
+    P9_RCREATE,
+    P9_TREAD = 116,
+    P9_RREAD,
+    P9_TWRITE = 118,
+    P9_RWRITE,
+    P9_TCLUNK = 120,
+    P9_RCLUNK,
+    P9_TREMOVE = 122,
+    P9_RREMOVE,
+    P9_TSTAT = 124,
+    P9_RSTAT,
+    P9_TWSTAT = 126,
+    P9_RWSTAT,
+};
+
+
+/* qid.types */
+enum {
+    P9_QTDIR = 0x80,
+    P9_QTAPPEND = 0x40,
+    P9_QTEXCL = 0x20,
+    P9_QTMOUNT = 0x10,
+    P9_QTAUTH = 0x08,
+    P9_QTTMP = 0x04,
+    P9_QTSYMLINK = 0x02,
+    P9_QTLINK = 0x01,
+    P9_QTFILE = 0x00,
+};
+
+enum p9_proto_version {
+    V9FS_PROTO_2000U = 0x01,
+    V9FS_PROTO_2000L = 0x02,
+};
+
+#define P9_NOTAG    (u16)(~0)
+#define P9_NOFID    (u32)(~0)
+#define P9_MAXWELEM 16
+
+#define FID_REFERENCED          0x1
+#define FID_NON_RECLAIMABLE     0x2
+static inline char *rpath(FsContext *ctx, const char *path)
+{
+    return g_strdup_printf("%s/%s", ctx->fs_root, path);
+}
+
+/*
+ * ample room for Twrite/Rread header
+ * size[4] Tread/Twrite tag[2] fid[4] offset[8] count[4]
+ */
+#define P9_IOHDRSZ 24
+
+typedef struct V9fsPDU V9fsPDU;
+struct V9fsState;
+
+struct V9fsPDU
+{
+    uint32_t size;
+    uint16_t tag;
+    uint8_t id;
+    uint8_t cancelled;
+    CoQueue complete;
+    VirtQueueElement elem;
+    struct V9fsState *s;
+    QLIST_ENTRY(V9fsPDU) next;
+};
+
+
+/* FIXME
+ * 1) change user needs to set groups and stuff
+ */
+
+#define MAX_REQ         128
+#define MAX_TAG_LEN     32
+
+#define BUG_ON(cond) assert(!(cond))
+
+typedef struct V9fsFidState V9fsFidState;
+
+enum {
+    P9_FID_NONE = 0,
+    P9_FID_FILE,
+    P9_FID_DIR,
+    P9_FID_XATTR,
+};
+
+typedef struct V9fsConf
+{
+    /* tag name for the device */
+    char *tag;
+    char *fsdev_id;
+} V9fsConf;
+
+typedef struct V9fsXattr
+{
+    int64_t copied_len;
+    int64_t len;
+    void *value;
+    V9fsString name;
+    int flags;
+} V9fsXattr;
+
+/*
+ * Filled by fs driver on open and other
+ * calls.
+ */
+union V9fsFidOpenState {
+    int fd;
+    DIR *dir;
+    V9fsXattr xattr;
+    /*
+     * private pointer for fs drivers, that
+     * have its own internal representation of
+     * open files.
+     */
+    void *private;
+};
+
+struct V9fsFidState
+{
+    int fid_type;
+    int32_t fid;
+    V9fsPath path;
+    V9fsFidOpenState fs;
+    V9fsFidOpenState fs_reclaim;
+    int flags;
+    int open_flags;
+    uid_t uid;
+    int ref;
+    int clunked;
+    V9fsFidState *next;
+    V9fsFidState *rclm_lst;
+};
+
+typedef struct V9fsState
+{
+    VirtIODevice parent_obj;
+    VirtQueue *vq;
+    V9fsPDU pdus[MAX_REQ];
+    QLIST_HEAD(, V9fsPDU) free_list;
+    QLIST_HEAD(, V9fsPDU) active_list;
+    V9fsFidState *fid_list;
+    FileOperations *ops;
+    FsContext ctx;
+    char *tag;
+    size_t config_size;
+    enum p9_proto_version proto_version;
+    int32_t msize;
+    /*
+     * lock ensuring atomic path update
+     * on rename.
+     */
+    CoRwlock rename_lock;
+    int32_t root_fid;
+    Error *migration_blocker;
+    V9fsConf fsconf;
+} V9fsState;
+
+/* 9p2000.L open flags */
+#define P9_DOTL_RDONLY        00000000
+#define P9_DOTL_WRONLY        00000001
+#define P9_DOTL_RDWR          00000002
+#define P9_DOTL_NOACCESS      00000003
+#define P9_DOTL_CREATE        00000100
+#define P9_DOTL_EXCL          00000200
+#define P9_DOTL_NOCTTY        00000400
+#define P9_DOTL_TRUNC         00001000
+#define P9_DOTL_APPEND        00002000
+#define P9_DOTL_NONBLOCK      00004000
+#define P9_DOTL_DSYNC         00010000
+#define P9_DOTL_FASYNC        00020000
+#define P9_DOTL_DIRECT        00040000
+#define P9_DOTL_LARGEFILE     00100000
+#define P9_DOTL_DIRECTORY     00200000
+#define P9_DOTL_NOFOLLOW      00400000
+#define P9_DOTL_NOATIME       01000000
+#define P9_DOTL_CLOEXEC       02000000
+#define P9_DOTL_SYNC          04000000
+
+/* 9p2000.L at flags */
+#define P9_DOTL_AT_REMOVEDIR         0x200
+
+/* 9P2000.L lock type */
+#define P9_LOCK_TYPE_RDLCK 0
+#define P9_LOCK_TYPE_WRLCK 1
+#define P9_LOCK_TYPE_UNLCK 2
+
+#define P9_LOCK_SUCCESS 0
+#define P9_LOCK_BLOCKED 1
+#define P9_LOCK_ERROR 2
+#define P9_LOCK_GRACE 3
+
+#define P9_LOCK_FLAGS_BLOCK 1
+#define P9_LOCK_FLAGS_RECLAIM 2
+
+typedef struct V9fsFlock
+{
+    uint8_t type;
+    uint32_t flags;
+    uint64_t start; /* absolute offset */
+    uint64_t length;
+    uint32_t proc_id;
+    V9fsString client_id;
+} V9fsFlock;
+
+typedef struct V9fsGetlock
+{
+    uint8_t type;
+    uint64_t start; /* absolute offset */
+    uint64_t length;
+    uint32_t proc_id;
+    V9fsString client_id;
+} V9fsGetlock;
+
+extern int open_fd_hw;
+extern int total_open_fd;
+
+static inline void v9fs_path_write_lock(V9fsState *s)
+{
+    if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) {
+        qemu_co_rwlock_wrlock(&s->rename_lock);
+    }
+}
+
+static inline void v9fs_path_read_lock(V9fsState *s)
+{
+    if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) {
+        qemu_co_rwlock_rdlock(&s->rename_lock);
+    }
+}
+
+static inline void v9fs_path_unlock(V9fsState *s)
+{
+    if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) {
+        qemu_co_rwlock_unlock(&s->rename_lock);
+    }
+}
+
+static inline uint8_t v9fs_request_cancelled(V9fsPDU *pdu)
+{
+    return pdu->cancelled;
+}
+
+extern void v9fs_reclaim_fd(V9fsPDU *pdu);
+extern void v9fs_path_init(V9fsPath *path);
+extern void v9fs_path_free(V9fsPath *path);
+extern void v9fs_path_copy(V9fsPath *lhs, V9fsPath *rhs);
+extern int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath,
+                             const char *name, V9fsPath *path);
+
+ssize_t pdu_marshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...);
+ssize_t pdu_unmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...);
+
+#endif
diff --git a/hw/9pfs/virtio-9p-synth.c b/hw/9pfs/virtio-9p-synth.c
index 623983768c..7b8a6ee78f 100644
--- a/hw/9pfs/virtio-9p-synth.c
+++ b/hw/9pfs/virtio-9p-synth.c
@@ -13,7 +13,7 @@
  */
 
 #include "hw/virtio.h"
-#include "virtio-9p.h"
+#include "9p.h"
 #include "9p-xattr.h"
 #include "fsdev/qemu-fsdev.h"
 #include "virtio-9p-synth.h"
diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h
index 5471d8138f..4966b13b1a 100644
--- a/hw/9pfs/virtio-9p.h
+++ b/hw/9pfs/virtio-9p.h
@@ -1,336 +1,11 @@
 #ifndef _QEMU_VIRTIO_9P_H
 #define _QEMU_VIRTIO_9P_H
 
-#include <sys/types.h>
-#include <dirent.h>
-#include <sys/time.h>
-#include <utime.h>
-#include <sys/resource.h>
 #include "standard-headers/linux/virtio_9p.h"
 #include "hw/virtio.h"
-#include "fsdev/file-op-9p.h"
-#include "fsdev/9p-iov-marshal.h"
-#include "qemu/thread.h"
-#include "block/coroutine.h"
-
-enum {
-    P9_TLERROR = 6,
-    P9_RLERROR,
-    P9_TSTATFS = 8,
-    P9_RSTATFS,
-    P9_TLOPEN = 12,
-    P9_RLOPEN,
-    P9_TLCREATE = 14,
-    P9_RLCREATE,
-    P9_TSYMLINK = 16,
-    P9_RSYMLINK,
-    P9_TMKNOD = 18,
-    P9_RMKNOD,
-    P9_TRENAME = 20,
-    P9_RRENAME,
-    P9_TREADLINK = 22,
-    P9_RREADLINK,
-    P9_TGETATTR = 24,
-    P9_RGETATTR,
-    P9_TSETATTR = 26,
-    P9_RSETATTR,
-    P9_TXATTRWALK = 30,
-    P9_RXATTRWALK,
-    P9_TXATTRCREATE = 32,
-    P9_RXATTRCREATE,
-    P9_TREADDIR = 40,
-    P9_RREADDIR,
-    P9_TFSYNC = 50,
-    P9_RFSYNC,
-    P9_TLOCK = 52,
-    P9_RLOCK,
-    P9_TGETLOCK = 54,
-    P9_RGETLOCK,
-    P9_TLINK = 70,
-    P9_RLINK,
-    P9_TMKDIR = 72,
-    P9_RMKDIR,
-    P9_TRENAMEAT = 74,
-    P9_RRENAMEAT,
-    P9_TUNLINKAT = 76,
-    P9_RUNLINKAT,
-    P9_TVERSION = 100,
-    P9_RVERSION,
-    P9_TAUTH = 102,
-    P9_RAUTH,
-    P9_TATTACH = 104,
-    P9_RATTACH,
-    P9_TERROR = 106,
-    P9_RERROR,
-    P9_TFLUSH = 108,
-    P9_RFLUSH,
-    P9_TWALK = 110,
-    P9_RWALK,
-    P9_TOPEN = 112,
-    P9_ROPEN,
-    P9_TCREATE = 114,
-    P9_RCREATE,
-    P9_TREAD = 116,
-    P9_RREAD,
-    P9_TWRITE = 118,
-    P9_RWRITE,
-    P9_TCLUNK = 120,
-    P9_RCLUNK,
-    P9_TREMOVE = 122,
-    P9_RREMOVE,
-    P9_TSTAT = 124,
-    P9_RSTAT,
-    P9_TWSTAT = 126,
-    P9_RWSTAT,
-};
-
-
-/* qid.types */
-enum {
-    P9_QTDIR = 0x80,
-    P9_QTAPPEND = 0x40,
-    P9_QTEXCL = 0x20,
-    P9_QTMOUNT = 0x10,
-    P9_QTAUTH = 0x08,
-    P9_QTTMP = 0x04,
-    P9_QTSYMLINK = 0x02,
-    P9_QTLINK = 0x01,
-    P9_QTFILE = 0x00,
-};
-
-enum p9_proto_version {
-    V9FS_PROTO_2000U = 0x01,
-    V9FS_PROTO_2000L = 0x02,
-};
-
-#define P9_NOTAG    (u16)(~0)
-#define P9_NOFID    (u32)(~0)
-#define P9_MAXWELEM 16
-
-#define FID_REFERENCED          0x1
-#define FID_NON_RECLAIMABLE     0x2
-static inline const char *rpath(FsContext *ctx, const char *path, char *buffer)
-{
-    snprintf(buffer, PATH_MAX, "%s/%s", ctx->fs_root, path);
-    return buffer;
-}
-
-/*
- * ample room for Twrite/Rread header
- * size[4] Tread/Twrite tag[2] fid[4] offset[8] count[4]
- */
-#define P9_IOHDRSZ 24
-
-typedef struct V9fsPDU V9fsPDU;
-struct V9fsState;
-
-struct V9fsPDU
-{
-    uint32_t size;
-    uint16_t tag;
-    uint8_t id;
-    uint8_t cancelled;
-    CoQueue complete;
-    VirtQueueElement elem;
-    struct V9fsState *s;
-    QLIST_ENTRY(V9fsPDU) next;
-};
-
-
-/* FIXME
- * 1) change user needs to set groups and stuff
- */
-
-#define MAX_REQ         128
-#define MAX_TAG_LEN     32
-
-#define BUG_ON(cond) assert(!(cond))
-
-typedef struct V9fsFidState V9fsFidState;
-
-enum {
-    P9_FID_NONE = 0,
-    P9_FID_FILE,
-    P9_FID_DIR,
-    P9_FID_XATTR,
-};
-
-typedef struct V9fsConf
-{
-    /* tag name for the device */
-    char *tag;
-    char *fsdev_id;
-} V9fsConf;
-
-typedef struct V9fsXattr
-{
-    int64_t copied_len;
-    int64_t len;
-    void *value;
-    V9fsString name;
-    int flags;
-} V9fsXattr;
-
-/*
- * Filled by fs driver on open and other
- * calls.
- */
-union V9fsFidOpenState {
-    int fd;
-    DIR *dir;
-    V9fsXattr xattr;
-    /*
-     * private pointer for fs drivers, that
-     * have its own internal representation of
-     * open files.
-     */
-    void *private;
-};
-
-struct V9fsFidState
-{
-    int fid_type;
-    int32_t fid;
-    V9fsPath path;
-    V9fsFidOpenState fs;
-    V9fsFidOpenState fs_reclaim;
-    int flags;
-    int open_flags;
-    uid_t uid;
-    int ref;
-    int clunked;
-    V9fsFidState *next;
-    V9fsFidState *rclm_lst;
-};
-
-typedef struct V9fsState
-{
-    VirtIODevice parent_obj;
-    VirtQueue *vq;
-    V9fsPDU pdus[MAX_REQ];
-    QLIST_HEAD(, V9fsPDU) free_list;
-    QLIST_HEAD(, V9fsPDU) active_list;
-    V9fsFidState *fid_list;
-    FileOperations *ops;
-    FsContext ctx;
-    char *tag;
-    size_t config_size;
-    enum p9_proto_version proto_version;
-    int32_t msize;
-    /*
-     * lock ensuring atomic path update
-     * on rename.
-     */
-    CoRwlock rename_lock;
-    int32_t root_fid;
-    Error *migration_blocker;
-    V9fsConf fsconf;
-} V9fsState;
-
-struct virtio_9p_config
-{
-    /* number of characters in tag */
-    uint16_t tag_len;
-    /* Variable size tag name */
-    uint8_t tag[0];
-} QEMU_PACKED;
-
-/* 9p2000.L open flags */
-#define P9_DOTL_RDONLY        00000000
-#define P9_DOTL_WRONLY        00000001
-#define P9_DOTL_RDWR          00000002
-#define P9_DOTL_NOACCESS      00000003
-#define P9_DOTL_CREATE        00000100
-#define P9_DOTL_EXCL          00000200
-#define P9_DOTL_NOCTTY        00000400
-#define P9_DOTL_TRUNC         00001000
-#define P9_DOTL_APPEND        00002000
-#define P9_DOTL_NONBLOCK      00004000
-#define P9_DOTL_DSYNC         00010000
-#define P9_DOTL_FASYNC        00020000
-#define P9_DOTL_DIRECT        00040000
-#define P9_DOTL_LARGEFILE     00100000
-#define P9_DOTL_DIRECTORY     00200000
-#define P9_DOTL_NOFOLLOW      00400000
-#define P9_DOTL_NOATIME       01000000
-#define P9_DOTL_CLOEXEC       02000000
-#define P9_DOTL_SYNC          04000000
-
-/* 9p2000.L at flags */
-#define P9_DOTL_AT_REMOVEDIR         0x200
-
-/* 9P2000.L lock type */
-#define P9_LOCK_TYPE_RDLCK 0
-#define P9_LOCK_TYPE_WRLCK 1
-#define P9_LOCK_TYPE_UNLCK 2
-
-#define P9_LOCK_SUCCESS 0
-#define P9_LOCK_BLOCKED 1
-#define P9_LOCK_ERROR 2
-#define P9_LOCK_GRACE 3
-
-#define P9_LOCK_FLAGS_BLOCK 1
-#define P9_LOCK_FLAGS_RECLAIM 2
-
-typedef struct V9fsFlock
-{
-    uint8_t type;
-    uint32_t flags;
-    uint64_t start; /* absolute offset */
-    uint64_t length;
-    uint32_t proc_id;
-    V9fsString client_id;
-} V9fsFlock;
-
-typedef struct V9fsGetlock
-{
-    uint8_t type;
-    uint64_t start; /* absolute offset */
-    uint64_t length;
-    uint32_t proc_id;
-    V9fsString client_id;
-} V9fsGetlock;
-
-extern int open_fd_hw;
-extern int total_open_fd;
-
-static inline void v9fs_path_write_lock(V9fsState *s)
-{
-    if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) {
-        qemu_co_rwlock_wrlock(&s->rename_lock);
-    }
-}
-
-static inline void v9fs_path_read_lock(V9fsState *s)
-{
-    if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) {
-        qemu_co_rwlock_rdlock(&s->rename_lock);
-    }
-}
-
-static inline void v9fs_path_unlock(V9fsState *s)
-{
-    if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) {
-        qemu_co_rwlock_unlock(&s->rename_lock);
-    }
-}
-
-static inline uint8_t v9fs_request_cancelled(V9fsPDU *pdu)
-{
-    return pdu->cancelled;
-}
+#include "9p.h"
 
 extern void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq);
-extern void v9fs_reclaim_fd(V9fsPDU *pdu);
-extern void v9fs_path_init(V9fsPath *path);
-extern void v9fs_path_free(V9fsPath *path);
-extern void v9fs_path_copy(V9fsPath *lhs, V9fsPath *rhs);
-extern int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath,
-                             const char *name, V9fsPath *path);
-
-ssize_t pdu_marshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...);
-ssize_t pdu_unmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...);
-
 ssize_t virtio_pdu_vmarshal(V9fsPDU *pdu, size_t offset,
                             const char *fmt, va_list ap);
 ssize_t virtio_pdu_vunmarshal(V9fsPDU *pdu, size_t offset,
