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769d603fc4
Split out two new headers from the public pq.h: - lib/raid/raid6/algos.h contains the algorithm lists private to lib/raid/raid6 - include/linux/raid/pq_tables.h contains the tables also used by async_tx providers. The public include/linux/pq.h is now limited to the public interface for the consumers of the RAID6 PQ API. [hch@lst.de: remove duplicate ccflags-y line] Link: https://lore.kernel.org/20260527074539.2292913-2-hch@lst.de Link: https://lore.kernel.org/20260518051804.462141-10-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Ard Biesheuvel <ardb@kernel.org> # kunit only on arm64 Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Alexandre Ghiti <alex@ghiti.fr> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Borislav Petkov (AMD)" <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Mason <clm@fb.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Sterba <dsterba@suse.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Li Nan <linan122@huawei.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Song Liu <song@kernel.org> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: WANG Xuerui <kernel@xen0n.name> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
25 lines
663 B
C
25 lines
663 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright 2003 H. Peter Anvin - All Rights Reserved
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*
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* Public interface to the RAID6 P/Q calculation and recovery library.
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*/
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#ifndef LINUX_RAID_PQ_H
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#define LINUX_RAID_PQ_H
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#include <linux/types.h>
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#define RAID6_MIN_DISKS 4
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void raid6_gen_syndrome(int disks, size_t bytes, void **ptrs);
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void raid6_xor_syndrome(int disks, int start, int stop, size_t bytes,
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void **ptrs);
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bool raid6_can_xor_syndrome(void);
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void raid6_recov_2data(int disks, size_t bytes, int faila, int failb,
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void **ptrs);
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void raid6_recov_datap(int disks, size_t bytes, int faila,
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void **ptrs);
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#endif /* LINUX_RAID_PQ_H */
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