1 files changed, 51 insertions, 0 deletions
diff --git a/mount/loop.h b/mount/loop.h
new file mode 100644
index 00000000..951a5d18
--- /dev/null
+++ b/mount/loop.h
@@ -0,0 +1,51 @@
+#define LO_CRYPT_NONE	0
+#define LO_CRYPT_XOR	1
+#define LO_CRYPT_DES	2
+#define LO_CRYPT_CRYPTOAPI 18
+
+#define LOOP_SET_FD		0x4C00
+#define LOOP_CLR_FD		0x4C01
+#define LOOP_SET_STATUS		0x4C02
+#define LOOP_GET_STATUS		0x4C03
+#define LOOP_SET_STATUS64	0x4C04
+#define LOOP_GET_STATUS64	0x4C05
+
+#define LO_NAME_SIZE	64
+#define LO_KEY_SIZE	32
+
+#include "my_dev_t.h"
+
+struct loop_info {
+	int		lo_number;
+	my_dev_t	lo_device;
+	unsigned long	lo_inode;
+	my_dev_t	lo_rdevice;
+	int		lo_offset;
+	int		lo_encrypt_type;
+	int		lo_encrypt_key_size;
+	int		lo_flags;
+	char		lo_name[LO_NAME_SIZE];
+	unsigned char	lo_encrypt_key[LO_KEY_SIZE];
+	unsigned long	lo_init[2];
+	char		reserved[4];
+};
+
+/*
+ * Where to get __u8, __u32, __u64? Let us use unsigned char/int/long long
+ * and get punished when someone comes with 128-bit long longs.
+ */
+struct loop_info64 {
+	unsigned long long	lo_device;
+	unsigned long long	lo_inode;
+	unsigned long long	lo_rdevice;
+	unsigned long long	lo_offset;
+	unsigned long long	lo_sizelimit; /* bytes, 0 == max available */
+	unsigned int		lo_number;
+	unsigned int		lo_encrypt_type;
+	unsigned int		lo_encrypt_key_size;
+	unsigned int		lo_flags;
+	unsigned char		lo_file_name[LO_NAME_SIZE];
+	unsigned char		lo_crypt_name[LO_NAME_SIZE];
+	unsigned char		lo_encrypt_key[LO_KEY_SIZE];
+	unsigned long long	lo_init[2];
+};