Differential D12723 Diff 38045 sys/crypto/ccp/ccp_lsb.h

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sys/crypto/ccp/ccp_lsb.h

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				/*-
				* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				*
				* Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*
				* $FreeBSD$
				*/

				#pragma once

				#define LSB_ENTRY_SIZE 32 /* bytes, or 256 bits */
				#define LSB_REGION_LENGTH 16 /* entries */

				/* For now, just statically allocate some LSB entries for specific purposes. */
				#define LSB_ENTRY_KEY 0
				#define LSB_ENTRY_IV 2
				#define LSB_ENTRY_SHA 4
				#define LSB_ENTRY_GHASH 6
				#define LSB_ENTRY_GHASH_IN 7

				void ccp_queue_decode_lsb_regions(struct ccp_softc *sc, uint64_t lsbmask,
				unsigned queue);
				void ccp_assign_lsb_regions(struct ccp_softc *sc, uint64_t lsbmask);