From 1e2f09bb5b0e56cc5210110d5ad249c504a69a92 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 1 May 2012 21:16:57 -0400 Subject: initial check-in --- include/linux/loop.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 include/linux/loop.h (limited to 'include/linux/loop.h') diff --git a/include/linux/loop.h b/include/linux/loop.h new file mode 100644 index 0000000..41aad40 --- /dev/null +++ b/include/linux/loop.h @@ -0,0 +1,69 @@ +#ifndef _LINUX_LOOP_H +#define _LINUX_LOOP_H + +#include + +#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 -- cgit v1.2.1