Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2016-07-12' into staging

[qemu.git] / fsdev / file-op-9p.h

diff --git a/fsdev/file-op-9p.h b/fsdev/file-op-9p.h
index a85ecd30b05262499542ed0525c287470f05cd8e..6db9feac8f1c8a00f162c386629882bd179f00c5 100644 (file)
--- a/fsdev/file-op-9p.h
+++ b/fsdev/file-op-9p.h
@@ -1,5 +1,5 @@
 /*
- * Virtio 9p
+ * 9p
  *
  * Copyright IBM, Corp. 2010
  *
@@ -10,14 +10,12 @@
  * the COPYING file in the top-level directory.
  *
  */
-#ifndef _FILEOP_H
-#define _FILEOP_H
-#include <sys/types.h>
+
+#ifndef FILE_OP_9P_H
+#define FILE_OP_9P_H
+
 #include <dirent.h>
-#include <sys/time.h>
 #include <utime.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
 #include <sys/vfs.h>
 
 #define SM_LOCAL_MODE_BITS    0600
@@ -56,11 +54,27 @@ typedef struct extended_ops {
  * On failure ignore the error.
  */
 #define V9FS_SM_NONE                0x00000010
-#define V9FS_RDONLY                 0x00000020
+/*
+ * uid/gid part of .virtfs_meatadata namespace
+ */
+#define V9FS_SM_MAPPED_FILE         0x00000020
+#define V9FS_RDONLY                 0x00000040
+#define V9FS_PROXY_SOCK_FD          0x00000080
+#define V9FS_PROXY_SOCK_NAME        0x00000100
 
-#define V9FS_SEC_MASK               0x0000001C
+#define V9FS_SEC_MASK               0x0000003C
 
 
+typedef struct FileOperations FileOperations;
+/*
+ * Structure to store the various fsdev's passed through command line.
+ */
+typedef struct FsDriverEntry {
+    char *fsdev_id;
+    char *path;
+    int export_flags;
+    FileOperations *ops;
+} FsDriverEntry;
 
 typedef struct FsContext
 {
@@ -74,7 +88,7 @@ typedef struct FsContext
 } FsContext;
 
 typedef struct V9fsPath {
-    int16_t size;
+    uint16_t size;
     char *data;
 } V9fsPath;
 
@@ -82,8 +96,9 @@ typedef union V9fsFidOpenState V9fsFidOpenState;
 
 void cred_init(FsCred *);
 
-typedef struct FileOperations
+struct FileOperations
 {
+    int (*parse_opts)(QemuOpts *, struct FsDriverEntry *);
     int (*init)(struct FsContext *);
     int (*lstat)(FsContext *, V9fsPath *, struct stat *);
     ssize_t (*readlink)(FsContext *, V9fsPath *, char *, size_t);
@@ -104,8 +119,7 @@ typedef struct FileOperations
                  int, FsCred *, V9fsFidOpenState *);
     void (*rewinddir)(FsContext *, V9fsFidOpenState *);
     off_t (*telldir)(FsContext *, V9fsFidOpenState *);
-    int (*readdir_r)(FsContext *, V9fsFidOpenState *,
-                     struct dirent *, struct dirent **);
+    struct dirent * (*readdir)(FsContext *, V9fsFidOpenState *);
     void (*seekdir)(FsContext *, V9fsFidOpenState *, off_t);
     ssize_t (*preadv)(FsContext *, V9fsFidOpenState *,
                       const struct iovec *, int, off_t);
@@ -128,6 +142,6 @@ typedef struct FileOperations
                     V9fsPath *newdir, const char *new_name);
     int (*unlinkat)(FsContext *ctx, V9fsPath *dir, const char *name, int flags);
     void *opaque;
-} FileOperations;
+};
 
 #endif