cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / loop.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/loop.h b/i686-linux-gnu-4.7/usr/include/linux/loop.h
new file mode 100644 (file)
index 0000000..e962f12
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/loop.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
+/*
+ * 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.
+ */
+#ifndef _LINUX_LOOP_H
+#define _LINUX_LOOP_H
+
+
+#define LO_NAME_SIZE   64
+#define LO_KEY_SIZE    32
+
+
+/*
+ * Loop flags
+ */
+enum {
+       LO_FLAGS_READ_ONLY      = 1,
+       LO_FLAGS_AUTOCLEAR      = 4,
+       LO_FLAGS_PARTSCAN       = 8,
+       LO_FLAGS_DIRECT_IO      = 16,
+};
+
+#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
+#define LOOP_SET_DIRECT_IO     0x4C08
+#define LOOP_SET_BLOCK_SIZE    0x4C09
+
+/* /dev/loop-control interface */
+#define LOOP_CTL_ADD           0x4C80
+#define LOOP_CTL_REMOVE                0x4C81
+#define LOOP_CTL_GET_FREE      0x4C82
+#endif /* _LINUX_LOOP_H */