1 files changed, 40 insertions, 0 deletions

diff --git a/arch/um/include/aio.h b/arch/um/include/aio.h
new file mode 100644
index 000000000000..83f16877ab08
--- /dev/null
+++ b/arch/um/include/aio.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2004 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef AIO_H__
+#define AIO_H__
+
+enum aio_type { AIO_READ, AIO_WRITE, AIO_MMAP };
+
+struct aio_thread_reply {
+        void *data;
+        int err;
+};
+
+struct aio_context {
+        enum aio_type type;
+        int fd;
+        void *data;
+        int len;
+        unsigned long long offset;
+        int reply_fd;
+        struct aio_context *next;
+};
+
+#define INIT_AIO(aio_type, aio_fd, aio_data, aio_len, aio_offset, \
+                 aio_reply_fd) \
+        { .type         = aio_type, \
+          .fd           = aio_fd, \
+          .data         = aio_data, \
+          .len          = aio_len, \
+          .offset       = aio_offset, \
+          .reply_fd     = aio_reply_fd }
+
+#define INIT_AIO_CONTEXT { .reply_fd    = -1, \
+                           .next        = NULL }
+
+extern int submit_aio(struct aio_context *aio);
+
+#endif