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-rw-r--r--include/linux/usermode_driver.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/usermode_driver.h b/include/linux/usermode_driver.h
new file mode 100644
index 000000000000..c5f6dc950227
--- /dev/null
+++ b/include/linux/usermode_driver.h
@@ -0,0 +1,30 @@
+#ifndef __LINUX_USERMODE_DRIVER_H__
+#define __LINUX_USERMODE_DRIVER_H__
+
+#include <linux/umh.h>
+
+#ifdef CONFIG_BPFILTER
+void __exit_umh(struct task_struct *tsk);
+
+static inline void exit_umh(struct task_struct *tsk)
+{
+ if (unlikely(tsk->flags & PF_UMH))
+ __exit_umh(tsk);
+}
+#else
+static inline void exit_umh(struct task_struct *tsk)
+{
+}
+#endif
+
+struct umh_info {
+ const char *cmdline;
+ struct file *pipe_to_umh;
+ struct file *pipe_from_umh;
+ struct list_head list;
+ void (*cleanup)(struct umh_info *info);
+ pid_t pid;
+};
+int fork_usermode_blob(void *data, size_t len, struct umh_info *info);
+
+#endif /* __LINUX_USERMODE_DRIVER_H__ */