CUSE: implement CUSE - Character device in Userspace

[net-next-2.6.git] / include / linux / fuse.h

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 162e5defe68358a250535974d4146412c4ff48b9..d41ed593f79fe01f8cc5ea25b3e6ea000cdc0e4c 100644 (file)
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -120,6 +120,13 @@ struct fuse_file_lock {
 #define FUSE_EXPORT_SUPPORT    (1 << 4)
 #define FUSE_BIG_WRITES                (1 << 5)
 
+/**
+ * CUSE INIT request/reply flags
+ *
+ * CUSE_UNRESTRICTED_IOCTL:  use unrestricted ioctl
+ */
+#define CUSE_UNRESTRICTED_IOCTL        (1 << 0)
+
 /**
  * Release flags
  */
@@ -210,6 +217,9 @@ enum fuse_opcode {
        FUSE_DESTROY       = 38,
        FUSE_IOCTL         = 39,
        FUSE_POLL          = 40,
+
+       /* CUSE specific operations */
+       CUSE_INIT          = 4096,
 };
 
 enum fuse_notify_code {
@@ -401,6 +411,27 @@ struct fuse_init_out {
        __u32   max_write;
 };
 
+#define CUSE_INIT_INFO_MAX 4096
+
+struct cuse_init_in {
+       __u32   major;
+       __u32   minor;
+       __u32   unused;
+       __u32   flags;
+};
+
+struct cuse_init_out {
+       __u32   major;
+       __u32   minor;
+       __u32   unused;
+       __u32   flags;
+       __u32   max_read;
+       __u32   max_write;
+       __u32   dev_major;              /* chardev major */
+       __u32   dev_minor;              /* chardev minor */
+       __u32   spare[10];
+};
+
 struct fuse_interrupt_in {
        __u64   unique;
 };