summaryrefslogtreecommitdiff
path: root/include/linux/loop.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/loop.h')
-rw-r--r--include/linux/loop.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/linux/loop.h b/include/linux/loop.h
new file mode 100644
index 00000000..41aad407
--- /dev/null
+++ b/include/linux/loop.h
@@ -0,0 +1,69 @@
+#ifndef _LINUX_LOOP_H
+#define _LINUX_LOOP_H
+
+#include <stdint.h>
+
+#define LO_NAME_SIZE 64
+#define LO_KEY_SIZE 32
+
+enum {
+ LO_FLAGS_READ_ONLY = 1,
+ LO_FLAGS_USE_AOPS = 2,
+ LO_FLAGS_AUTOCLEAR = 4,
+};
+
+struct loop_info {
+ int lo_number;
+ long lo_device;
+ unsigned long lo_inode;
+ long 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];
+};
+
+struct loop_info64 {
+ uint64_t lo_device;
+ uint64_t lo_inode;
+ uint64_t lo_rdevice;
+ uint64_t lo_offset;
+ uint64_t lo_sizelimit;
+ uint32_t lo_number;
+ uint32_t lo_encrypt_type;
+ uint32_t lo_encrypt_key_size;
+ uint32_t lo_flags;
+ uint8_t lo_file_name[LO_NAME_SIZE];
+ uint8_t lo_crypt_name[LO_NAME_SIZE];
+ uint8_t lo_encrypt_key[LO_KEY_SIZE];
+ uint64_t lo_init[2];
+};
+
+
+#define LO_CRYPT_NONE 0
+#define LO_CRYPT_XOR 1
+#define LO_CRYPT_DES 2
+#define LO_CRYPT_FISH2 3
+#define LO_CRYPT_BLOW 4
+#define LO_CRYPT_CAST128 5
+#define LO_CRYPT_IDEA 6
+#define LO_CRYPT_DUMMY 9
+#define LO_CRYPT_SKIPJACK 10
+#define LO_CRYPT_CRYPTOAPI 18
+#define MAX_LO_CRYPT 20
+
+
+#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 LOOP_CHANGE_FD 0x4C06
+#define LOOP_SET_CAPACITY 0x4C07
+
+#endif