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Rewrite dm query/create function backend.

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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@570 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2011-07-17 22:35:17 +00:00
parent 69bd90055f
commit 913ef7c07e
12 changed files with 376 additions and 380 deletions
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48
lib/utils_dm.h
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@@ -13,27 +13,43 @@ struct crypt_device;
#define DM_PLAIN64_SUPPORTED (1 << 3) /* plain64 IV */
uint32_t dm_flags(void);
#define DM_ACTIVE_DEVICE (1 << 0)
#define DM_ACTIVE_CIPHER (1 << 1)
#define DM_ACTIVE_UUID (1 << 2)
#define DM_ACTIVE_KEY (1 << 3)
#define DM_ACTIVE_ALL ( \
DM_ACTIVE_DEVICE | \
DM_ACTIVE_CIPHER | \
DM_ACTIVE_UUID | \
DM_ACTIVE_KEY)
struct crypt_dm_active_device {
const char *device;
const char *cipher;
const char *uuid;
char *key;
size_t key_size;
/* struct crypt_active_device */
uint64_t offset; /* offset in sectors */
uint64_t iv_offset; /* IV initilisation sector */
uint64_t size; /* active device size */
uint32_t flags; /* activation flags */
};
const char *dm_get_dir(void);
int dm_init(struct crypt_device *context, int check_kernel);
void dm_exit(void);
int dm_remove_device(const char *name, int force, uint64_t size);
int dm_status_device(const char *name);
int dm_query_device(const char *name,
char **device,
uint64_t *size,
uint64_t *skip,
uint64_t *offset,
char **cipher,
int *key_size,
char **key,
int *read_only,
int *suspended,
char **uuid);
int dm_create_device(const char *name, const char *device, const char *cipher,
const char *type, const char *uuid,
uint64_t size, uint64_t skip, uint64_t offset,
size_t key_size, const char *key,
int read_only, int reload);
int dm_status_suspended(const char *name);
int dm_query_device(const char *name, uint32_t get_flags,
struct crypt_dm_active_device *dmd);
int dm_create_device(const char *name,
const char *type,
struct crypt_dm_active_device *dmd,
int reload);
int dm_suspend_and_wipe_key(const char *name);
int dm_resume_and_reinstate_key(const char *name,
size_t key_size,