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-rw-r--r--include/linux/auto_dev-ioctl.h75
1 files changed, 71 insertions, 4 deletions
diff --git a/include/linux/auto_dev-ioctl.h b/include/linux/auto_dev-ioctl.h
index f4d05ccd731..91a773993a5 100644
--- a/include/linux/auto_dev-ioctl.h
+++ b/include/linux/auto_dev-ioctl.h
@@ -10,6 +10,7 @@
#ifndef _LINUX_AUTO_DEV_IOCTL_H
#define _LINUX_AUTO_DEV_IOCTL_H
+#include <linux/string.h>
#include <linux/types.h>
#define AUTOFS_DEVICE_NAME "autofs"
@@ -25,6 +26,60 @@
* An ioctl interface for autofs mount point control.
*/
+struct args_protover {
+ __u32 version;
+};
+
+struct args_protosubver {
+ __u32 sub_version;
+};
+
+struct args_openmount {
+ __u32 devid;
+};
+
+struct args_ready {
+ __u32 token;
+};
+
+struct args_fail {
+ __u32 token;
+ __s32 status;
+};
+
+struct args_setpipefd {
+ __s32 pipefd;
+};
+
+struct args_timeout {
+ __u64 timeout;
+};
+
+struct args_requester {
+ __u32 uid;
+ __u32 gid;
+};
+
+struct args_expire {
+ __u32 how;
+};
+
+struct args_askumount {
+ __u32 may_umount;
+};
+
+struct args_ismountpoint {
+ union {
+ struct args_in {
+ __u32 type;
+ } in;
+ struct args_out {
+ __u32 devid;
+ __u32 magic;
+ } out;
+ };
+};
+
/*
* All the ioctls use this structure.
* When sending a path size must account for the total length
@@ -39,20 +94,32 @@ struct autofs_dev_ioctl {
* including this struct */
__s32 ioctlfd; /* automount command fd */
- __u32 arg1; /* Command parameters */
- __u32 arg2;
+ /* Command parameters */
+
+ union {
+ struct args_protover protover;
+ struct args_protosubver protosubver;
+ struct args_openmount openmount;
+ struct args_ready ready;
+ struct args_fail fail;
+ struct args_setpipefd setpipefd;
+ struct args_timeout timeout;
+ struct args_requester requester;
+ struct args_expire expire;
+ struct args_askumount askumount;
+ struct args_ismountpoint ismountpoint;
+ };
char path[0];
};
static inline void init_autofs_dev_ioctl(struct autofs_dev_ioctl *in)
{
+ memset(in, 0, sizeof(struct autofs_dev_ioctl));
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;
}