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authorH. Peter Anvin <hpa@zytor.com>2010-06-27 16:38:25 -0700
committerH. Peter Anvin <hpa@zytor.com>2010-06-27 16:38:25 -0700
commit7e0f9d5298bb5bc6368d4bd8c106f06a447872a7 (patch)
tree58441061dcd5efac64b115c250922898d366a759 /libinstaller
parentb775b0040fe57ef71ec9cd98f9c124a3d116269b (diff)
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libinstaller: include <linux/loop.h>
Some versions of glibc have broken versions of <linux/loop.h>, so include our own canned version. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'libinstaller')
-rw-r--r--libinstaller/linux/loop.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/libinstaller/linux/loop.h b/libinstaller/linux/loop.h
new file mode 100644
index 00000000..988cfede
--- /dev/null
+++ b/libinstaller/linux/loop.h
@@ -0,0 +1,90 @@
+#ifndef _LINUX_LOOP_H
+#define _LINUX_LOOP_H
+
+/*
+ * include/linux/loop.h
+ *
+ * Written by Theodore Ts'o, 3/29/93.
+ *
+ * Copyright 1993 by Theodore Ts'o. Redistribution of this file is
+ * permitted under the GNU General Public License.
+ */
+
+#define LO_NAME_SIZE 64
+#define LO_KEY_SIZE 32
+
+
+/*
+ * Loop flags
+ */
+enum {
+ LO_FLAGS_READ_ONLY = 1,
+ LO_FLAGS_USE_AOPS = 2,
+ LO_FLAGS_AUTOCLEAR = 4,
+};
+
+#include <asm/posix_types.h> /* for __kernel_old_dev_t */
+#include <linux/types.h> /* for __u64 */
+
+/* Backwards compatibility version */
+struct loop_info {
+ int lo_number; /* ioctl r/o */
+ __kernel_old_dev_t lo_device; /* ioctl r/o */
+ unsigned long lo_inode; /* ioctl r/o */
+ __kernel_old_dev_t lo_rdevice; /* ioctl r/o */
+ int lo_offset;
+ int lo_encrypt_type;
+ int lo_encrypt_key_size; /* ioctl w/o */
+ int lo_flags; /* ioctl r/o */
+ char lo_name[LO_NAME_SIZE];
+ unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
+ unsigned long lo_init[2];
+ char reserved[4];
+};
+
+struct loop_info64 {
+ __u64 lo_device; /* ioctl r/o */
+ __u64 lo_inode; /* ioctl r/o */
+ __u64 lo_rdevice; /* ioctl r/o */
+ __u64 lo_offset;
+ __u64 lo_sizelimit;/* bytes, 0 == max available */
+ __u32 lo_number; /* ioctl r/o */
+ __u32 lo_encrypt_type;
+ __u32 lo_encrypt_key_size; /* ioctl w/o */
+ __u32 lo_flags; /* ioctl r/o */
+ __u8 lo_file_name[LO_NAME_SIZE];
+ __u8 lo_crypt_name[LO_NAME_SIZE];
+ __u8 lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
+ __u64 lo_init[2];
+};
+
+/*
+ * Loop filter types
+ */
+
+#define LO_CRYPT_NONE 0
+#define LO_CRYPT_XOR 1
+#define LO_CRYPT_DES 2
+#define LO_CRYPT_FISH2 3 /* Twofish encryption */
+#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
+
+/*
+ * IOCTL commands --- we will commandeer 0x4C ('L')
+ */
+
+#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