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Diffstat (limited to 'xlators/encryption/crypt/src/crypt-common.h')
-rw-r--r-- | xlators/encryption/crypt/src/crypt-common.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/xlators/encryption/crypt/src/crypt-common.h b/xlators/encryption/crypt/src/crypt-common.h deleted file mode 100644 index 7c212ad5d25..00000000000 --- a/xlators/encryption/crypt/src/crypt-common.h +++ /dev/null @@ -1,141 +0,0 @@ -/* - Copyright (c) 2008-2013 Red Hat, Inc. <http://www.redhat.com> - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef __CRYPT_COMMON_H__ -#define __CRYPT_COMMON_H__ - -#define INVAL_SUBVERSION_NUMBER (0xff) -#define CRYPT_INVAL_OP (GF_FOP_NULL) - -#define CRYPTO_FORMAT_PREFIX "trusted.glusterfs.crypt.att.cfmt" -#define FSIZE_XATTR_PREFIX "trusted.glusterfs.crypt.att.size" -#define SUBREQ_PREFIX "trusted.glusterfs.crypt.msg.sreq" -#define FSIZE_MSG_PREFIX "trusted.glusterfs.crypt.msg.size" -#define DE_MSG_PREFIX "trusted.glusterfs.crypt.msg.dent" -#define REQUEST_ID_PREFIX "trusted.glusterfs.crypt.msg.rqid" -#define MSGFLAGS_PREFIX "trusted.glusterfs.crypt.msg.xfgs" - - -/* messages for crypt_open() */ -#define MSGFLAGS_REQUEST_MTD_RLOCK 1 /* take read lock and don't unlock */ -#define MSGFLAGS_REQUEST_MTD_WLOCK 2 /* take write lock and don't unlock */ - -#define AES_BLOCK_BITS (4) /* AES_BLOCK_SIZE == 1 << AES_BLOCK_BITS */ - -#define noop do {; } while (0) -#define cassert(cond) ({ switch (-1) { case (cond): case 0: break; } }) -#define __round_mask(x, y) ((__typeof__(x))((y)-1)) -#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) - -/* - * Format of file's metadata - */ -struct crypt_format { - uint8_t loader_id; /* version of metadata loader */ - uint8_t versioned[0]; /* file's metadata of specific version */ -} __attribute__((packed)); - -typedef enum { - AES_CIPHER_ALG, - LAST_CIPHER_ALG -} cipher_alg_t; - -typedef enum { - XTS_CIPHER_MODE, - LAST_CIPHER_MODE -} cipher_mode_t; - -typedef enum { - MTD_LOADER_V1, - LAST_MTD_LOADER -} mtd_loader_id; - -static inline void msgflags_set_mtd_rlock(uint32_t *flags) -{ - *flags |= MSGFLAGS_REQUEST_MTD_RLOCK; -} - -static inline void msgflags_set_mtd_wlock(uint32_t *flags) -{ - *flags |= MSGFLAGS_REQUEST_MTD_WLOCK; -} - -static inline gf_boolean_t msgflags_check_mtd_rlock(uint32_t *flags) -{ - return *flags & MSGFLAGS_REQUEST_MTD_RLOCK; -} - -static inline gf_boolean_t msgflags_check_mtd_wlock(uint32_t *flags) -{ - return *flags & MSGFLAGS_REQUEST_MTD_WLOCK; -} - -static inline gf_boolean_t msgflags_check_mtd_lock(uint32_t *flags) -{ - return msgflags_check_mtd_rlock(flags) || - msgflags_check_mtd_wlock(flags); -} - -/* - * returns number of logical blocks occupied - * (maybe partially) by @count bytes - * at offset @start. - */ -static inline off_t logical_blocks_occupied(uint64_t start, off_t count, - int blkbits) -{ - return ((start + count - 1) >> blkbits) - (start >> blkbits) + 1; -} - -/* - * are two bytes (represented by offsets @off1 - * and @off2 respectively) in the same logical - * block. - */ -static inline int in_same_lblock(uint64_t off1, uint64_t off2, - int blkbits) -{ - return off1 >> blkbits == off2 >> blkbits; -} - -static inline void dump_cblock(xlator_t *this, unsigned char *buf) -{ - gf_log(this->name, GF_LOG_DEBUG, - "dump cblock: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", - (buf)[0], - (buf)[1], - (buf)[2], - (buf)[3], - (buf)[4], - (buf)[5], - (buf)[6], - (buf)[7], - (buf)[8], - (buf)[9], - (buf)[10], - (buf)[11], - (buf)[12], - (buf)[13], - (buf)[14], - (buf)[15]); -} - -#endif /* __CRYPT_COMMON_H__ */ - -/* - Local variables: - c-indentation-style: "K&R" - mode-name: "LC" - c-basic-offset: 8 - tab-width: 8 - fill-column: 80 - scroll-step: 1 - End: -*/ |