sys/linux: rename dev descriptions files

Prefix file names of descriptions of /dev/* files with dev_.
And give some of them more appropriate names.

1 files changed, 33 insertions, 0 deletions

diff --git a/sys/linux/dev_udmabuf.txt b/sys/linux/dev_udmabuf.txt
new file mode 100644
index 000000000..16c2b4366
--- /dev/null
+++ b/sys/linux/dev_udmabuf.txt
@@ -0,0 +1,33 @@
+# Copyright 2018 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+include <uapi/linux/udmabuf.h>
+
+resource fd_udambuf[fd]
+
+openat$udambuf(fd const[AT_FDCWD], file ptr[in, string["/dev/udmabuf"]], flags const[O_RDWR]) fd_udambuf
+ioctl$UDMABUF_CREATE(fd fd_udambuf, cmd const[UDMABUF_CREATE], arg ptr[in, udmabuf_create])
+ioctl$UDMABUF_CREATE_LIST(fd fd_udambuf, cmd const[UDMABUF_CREATE_LIST], arg ptr[in, udmabuf_create_list])
+
+udmabuf_create {
+	memfd	fd_memfd
+	flags	bool32
+	offset	flags[udmabuf_offset_size, int64]
+	size	flags[udmabuf_offset_size, int64]
+}
+
+udmabuf_create_list {
+	flags	bool32
+	count	len[list, int32]
+	list	array[udmabuf_create_item]
+}
+
+udmabuf_create_item {
+	memfd	fd_memfd
+	__pad	const[0, int32]
+	offset	flags[udmabuf_offset_size, int64]
+	size	flags[udmabuf_offset_size, int64]
+}
+
+# NEED: this should be a page-aligned integer
+udmabuf_offset_size = 0, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x1000000, 0x100000000, 0xfffff000, 0x1000000000000, 0xfffffffffffff000, 0xfffffffff0000000