fuse: implement ioctl support

[linux-2.6-omap-h63xx.git] / include / linux / fuse.h

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 7caa473306e49aaf6b042c9de335c5633d681d19..608e300ae883d9289410f3cf8f431f6e2888e5d5 100644 (file)
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -148,6 +148,21 @@ struct fuse_file_lock {
  */
 #define FUSE_READ_LOCKOWNER    (1 << 1)
 
+/**
+ * Ioctl flags
+ *
+ * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine
+ * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed
+ * FUSE_IOCTL_RETRY: retry with new iovecs
+ *
+ * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs
+ */
+#define FUSE_IOCTL_COMPAT      (1 << 0)
+#define FUSE_IOCTL_UNRESTRICTED        (1 << 1)
+#define FUSE_IOCTL_RETRY       (1 << 2)
+
+#define FUSE_IOCTL_MAX_IOV     256
+
 enum fuse_opcode {
        FUSE_LOOKUP        = 1,
        FUSE_FORGET        = 2,  /* no reply */
@@ -185,6 +200,7 @@ enum fuse_opcode {
        FUSE_INTERRUPT     = 36,
        FUSE_BMAP          = 37,
        FUSE_DESTROY       = 38,
+       FUSE_IOCTL         = 39,
 };
 
 /* The read buffer is required to be at least 8k, but may be much larger */
@@ -385,6 +401,22 @@ struct fuse_bmap_out {
        __u64   block;
 };
 
+struct fuse_ioctl_in {
+       __u64   fh;
+       __u32   flags;
+       __u32   cmd;
+       __u64   arg;
+       __u32   in_size;
+       __u32   out_size;
+};
+
+struct fuse_ioctl_out {
+       __s32   result;
+       __u32   flags;
+       __u32   in_iovs;
+       __u32   out_iovs;
+};
+
 struct fuse_in_header {
        __u32   len;
        __u32   opcode;