/*
* libcryptsetup - cryptsetup library internal
*
- * Copyright (C) 2004, Christophe Saout <christophe@saout.de>
+ * Copyright (C) 2004, Jana Saout <jana@saout.de>
* Copyright (C) 2004-2007, Clemens Fruhwirth <clemens@endorphin.org>
* Copyright (C) 2009-2012, Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2012, Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#ifndef INTERNAL_H
#define INTERNAL_H
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
#include <stdint.h>
#include <stdarg.h>
#include <unistd.h>
#include <inttypes.h>
#include "nls.h"
+#include "bitops.h"
#include "utils_crypt.h"
#include "utils_loop.h"
#include "utils_dm.h"
#include "utils_fips.h"
#include "crypto_backend.h"
+#include "libcryptsetup.h"
+
/* to silent gcc -Wcast-qual for const cast */
#define CONST_CAST(x) (x)(uintptr_t)
struct volume_key *crypt_generate_volume_key(struct crypt_device *cd, unsigned keylength);
void crypt_free_volume_key(struct volume_key *vk);
+/* Device backend */
+struct device;
+int device_alloc(struct device **device, const char *path);
+void device_free(struct device *device);
+const char *device_path(const struct device *device);
+const char *device_block_path(const struct device *device);
+void device_topology_alignment(struct device *device,
+ unsigned long *required_alignment, /* bytes */
+ unsigned long *alignment_offset, /* bytes */
+ unsigned long default_alignment);
+int device_block_size(struct device *device);
+int device_read_ahead(struct device *device, uint32_t *read_ahead);
+int device_size(struct device *device, uint64_t *size);
+int device_open(struct device *device, int flags);
+
+enum devcheck { DEV_OK = 0, DEV_EXCL = 1, DEV_SHARED = 2 };
+int device_block_adjust(struct crypt_device *cd,
+ struct device *device,
+ enum devcheck device_check,
+ uint64_t device_offset,
+ uint64_t *size,
+ uint32_t *flags);
+size_t size_round_up(size_t size, unsigned int block);
+
+/* Receive backend devices from context helpers */
+struct device *crypt_metadata_device(struct crypt_device *cd);
+struct device *crypt_data_device(struct crypt_device *cd);
+
int crypt_confirm(struct crypt_device *cd, const char *msg);
char *crypt_lookup_dev(const char *dev_id);
-int crypt_sysfs_check_crypt_segment(const char *device, uint64_t offset, uint64_t size);
-int crypt_sysfs_get_rotational(int major, int minor, int *rotational);
+int crypt_dev_is_rotational(int major, int minor);
+int crypt_dev_is_partition(const char *dev_path);
+char *crypt_get_partition_device(const char *dev_path, uint64_t offset, uint64_t size);
+char *crypt_get_base_device(const char *dev_path);
+uint64_t crypt_dev_partition_offset(const char *dev_path);
-int sector_size_for_device(const char *device);
-int device_read_ahead(const char *dev, uint32_t *read_ahead);
-ssize_t write_blockwise(int fd, void *buf, size_t count);
-ssize_t read_blockwise(int fd, void *_buf, size_t count);
-ssize_t write_lseek_blockwise(int fd, char *buf, size_t count, off_t offset);
-int device_ready(struct crypt_device *cd, const char *device, int mode);
-int device_size(const char *device, uint64_t *size);
+ssize_t write_blockwise(int fd, int bsize, void *buf, size_t count);
+ssize_t read_blockwise(int fd, int bsize, void *_buf, size_t count);
+ssize_t write_lseek_blockwise(int fd, int bsize, char *buf, size_t count, off_t offset);
-enum devcheck { DEV_OK = 0, DEV_EXCL = 1, DEV_SHARED = 2 };
-int device_check_and_adjust(struct crypt_device *cd,
- const char *device,
- enum devcheck device_check,
- uint64_t *size,
- uint64_t *offset,
- uint32_t *flags);
-
-void logger(struct crypt_device *cd, int class, const char *file, int line, const char *format, ...);
+unsigned crypt_getpagesize(void);
+int init_crypto(struct crypt_device *ctx);
+
+void logger(struct crypt_device *cd, int class, const char *file, int line, const char *format, ...) __attribute__ ((format (printf, 5, 6)));
#define log_dbg(x...) logger(NULL, CRYPT_LOG_DEBUG, __FILE__, __LINE__, x)
#define log_std(c, x...) logger(c, CRYPT_LOG_NORMAL, __FILE__, __LINE__, x)
#define log_verbose(c, x...) logger(c, CRYPT_LOG_VERBOSE, __FILE__, __LINE__, x)
#define log_err(c, x...) logger(c, CRYPT_LOG_ERROR, __FILE__, __LINE__, x)
int crypt_get_debug_level(void);
-void debug_processes_using_device(const char *name);
int crypt_memlock_inc(struct crypt_device *ctx);
int crypt_memlock_dec(struct crypt_device *ctx);
-void get_topology_alignment(const char *device,
- unsigned long *required_alignment, /* bytes */
- unsigned long *alignment_offset, /* bytes */
- unsigned long default_alignment);
-
int crypt_random_init(struct crypt_device *ctx);
int crypt_random_get(struct crypt_device *ctx, char *buf, size_t len, int quality);
void crypt_random_exit(void);
* random algorithm */
} crypt_wipe_type;
-int crypt_wipe(const char *device,
+int crypt_wipe(struct device *device,
uint64_t offset,
uint64_t sectors,
crypt_wipe_type type,
projects / platform / upstream / cryptsetup.git / blobdiff