1 files changed, 157 insertions, 0 deletions

diff --git a/include/linux/auto_dev-ioctl.h b/include/linux/auto_dev-ioctl.h
new file mode 100644
index 000000000000..f4d05ccd731f
--- /dev/null
+++ b/include/linux/auto_dev-ioctl.h
@@ -0,0 +1,157 @@
+/*
+ * Copyright 2008 Red Hat, Inc. All rights reserved.
+ * Copyright 2008 Ian Kent <raven@themaw.net>
+ *
+ * This file is part of the Linux kernel and is made available under
+ * the terms of the GNU General Public License, version 2, or at your
+ * option, any later version, incorporated herein by reference.
+ */
+
+#ifndef _LINUX_AUTO_DEV_IOCTL_H
+#define _LINUX_AUTO_DEV_IOCTL_H
+
+#include <linux/types.h>
+
+#define AUTOFS_DEVICE_NAME              "autofs"
+
+#define AUTOFS_DEV_IOCTL_VERSION_MAJOR  1
+#define AUTOFS_DEV_IOCTL_VERSION_MINOR  0
+
+#define AUTOFS_DEVID_LEN                16
+
+#define AUTOFS_DEV_IOCTL_SIZE           sizeof(struct autofs_dev_ioctl)
+
+/*
+ * An ioctl interface for autofs mount point control.
+ */
+
+/*
+ * All the ioctls use this structure.
+ * When sending a path size must account for the total length
+ * of the chunk of memory otherwise is is the size of the
+ * structure.
+ */
+
+struct autofs_dev_ioctl {
+        __u32 ver_major;
+        __u32 ver_minor;
+        __u32 size;             /* total size of data passed in
+                                 * including this struct */
+        __s32 ioctlfd;          /* automount command fd */
+
+        __u32 arg1;             /* Command parameters */
+        __u32 arg2;
+
+        char path[0];
+};
+
+static inline void init_autofs_dev_ioctl(struct autofs_dev_ioctl *in)
+{
+        in->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;
+        in->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;
+        in->size = sizeof(struct autofs_dev_ioctl);
+        in->ioctlfd = -1;
+        in->arg1 = 0;
+        in->arg2 = 0;
+        return;
+}
+
+/*
+ * If you change this make sure you make the corresponding change
+ * to autofs-dev-ioctl.c:lookup_ioctl()
+ */
+enum {
+        /* Get various version info */
+        AUTOFS_DEV_IOCTL_VERSION_CMD = 0x71,
+        AUTOFS_DEV_IOCTL_PROTOVER_CMD,
+        AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD,
+
+        /* Open mount ioctl fd */
+        AUTOFS_DEV_IOCTL_OPENMOUNT_CMD,
+
+        /* Close mount ioctl fd */
+        AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD,
+
+        /* Mount/expire status returns */
+        AUTOFS_DEV_IOCTL_READY_CMD,
+        AUTOFS_DEV_IOCTL_FAIL_CMD,
+
+        /* Activate/deactivate autofs mount */
+        AUTOFS_DEV_IOCTL_SETPIPEFD_CMD,
+        AUTOFS_DEV_IOCTL_CATATONIC_CMD,
+
+        /* Expiry timeout */
+        AUTOFS_DEV_IOCTL_TIMEOUT_CMD,
+
+        /* Get mount last requesting uid and gid */
+        AUTOFS_DEV_IOCTL_REQUESTER_CMD,
+
+        /* Check for eligible expire candidates */
+        AUTOFS_DEV_IOCTL_EXPIRE_CMD,
+
+        /* Request busy status */
+        AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD,
+
+        /* Check if path is a mountpoint */
+        AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD,
+};
+
+#define AUTOFS_IOCTL 0x93
+
+#define AUTOFS_DEV_IOCTL_VERSION \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_VERSION_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_PROTOVER \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_PROTOVER_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_PROTOSUBVER \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_OPENMOUNT \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_OPENMOUNT_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_CLOSEMOUNT \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_READY \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_READY_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_FAIL \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_FAIL_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_SETPIPEFD \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_SETPIPEFD_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_CATATONIC \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_CATATONIC_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_TIMEOUT \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_TIMEOUT_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_REQUESTER \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_REQUESTER_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_EXPIRE \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_EXPIRE_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_ASKUMOUNT \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD, struct autofs_dev_ioctl)
+
+#define AUTOFS_DEV_IOCTL_ISMOUNTPOINT \
+        _IOWR(AUTOFS_IOCTL, \
+              AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD, struct autofs_dev_ioctl)
+
+#endif  /* _LINUX_AUTO_DEV_IOCTL_H */