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9f0a21e641
Add the FreeBSD platform code to the OpenZFS repository. As of this commit the source can be compiled and tested on FreeBSD 11 and 12. Subsequent commits are now required to compile on FreeBSD and Linux. Additionally, they must pass the ZFS Test Suite on FreeBSD which is being run by the CI. As of this commit 1230 tests pass on FreeBSD and there are no unexpected failures. Reviewed-by: Sean Eric Fagan <sef@ixsystems.com> Reviewed-by: Jorgen Lundman <lundman@lundman.net> Reviewed-by: Richard Laager <rlaager@wiktel.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #898 Closes #8987
99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/*
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* Copyright (c) 2018 Sean Eric Fagan <sef@ixsystems.com>
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* Portions Copyright (c) 2005-2011 Pawel Jakub Dawidek <pawel@dawidek.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Portions of this file were taken from GELI's implementation of hmac.
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*
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* $FreeBSD$
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*/
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#ifndef _ZFS_FREEBSD_CRYPTO_H
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#define _ZFS_FREEBSD_CRYPTO_H
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#include <sys/errno.h>
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#include <sys/mutex.h>
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#include <opencrypto/cryptodev.h>
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#include <crypto/sha2/sha256.h>
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#include <crypto/sha2/sha512.h>
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#define SUN_CKM_AES_CCM "CKM_AES_CCM"
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#define SUN_CKM_AES_GCM "CKM_AES_GCM"
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#define SUN_CKM_SHA512_HMAC "CKM_SHA512_HMAC"
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#define CRYPTO_KEY_RAW 1
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#define CRYPTO_BITS2BYTES(n) ((n) == 0 ? 0 : (((n) - 1) >> 3) + 1)
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#define CRYPTO_BYTES2BITS(n) ((n) << 3)
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struct zio_crypt_info;
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typedef struct freebsd_crypt_session {
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struct mtx fs_lock;
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crypto_session_t fs_sid;
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boolean_t fs_done;
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} freebsd_crypt_session_t;
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/*
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* Unused types to minimize code differences.
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*/
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typedef void *crypto_mechanism_t;
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typedef void *crypto_ctx_template_t;
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/*
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* Unlike the ICP crypto_key type, this only
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* supports <data, length> (the equivalent of
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* CRYPTO_KEY_RAW).
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*/
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typedef struct crypto_key {
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int ck_format; /* Unused, but minimizes code diff */
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void *ck_data;
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size_t ck_length;
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} crypto_key_t;
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typedef struct hmac_ctx {
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SHA512_CTX innerctx;
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SHA512_CTX outerctx;
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} *crypto_context_t;
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/*
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* The only algorithm ZFS uses for hashing is SHA512_HMAC.
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*/
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void crypto_mac(const crypto_key_t *key, const void *in_data,
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size_t in_data_size, void *out_data, size_t out_data_size);
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void crypto_mac_init(struct hmac_ctx *ctx, const crypto_key_t *key);
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void crypto_mac_update(struct hmac_ctx *ctx, const void *data,
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size_t data_size);
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void crypto_mac_final(struct hmac_ctx *ctx, void *out_data,
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size_t out_data_size);
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int freebsd_crypt_newsession(freebsd_crypt_session_t *sessp,
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struct zio_crypt_info *, crypto_key_t *);
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void freebsd_crypt_freesession(freebsd_crypt_session_t *sessp);
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int freebsd_crypt_uio(boolean_t, freebsd_crypt_session_t *,
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struct zio_crypt_info *, uio_t *, crypto_key_t *, uint8_t *,
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size_t, size_t);
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#endif /* _ZFS_FREEBSD_CRYPTO_H */
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