crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes

Update the ARMv8 Crypto Extensions and the plain NEON AES implementations
in CBC and CTR modes to return the next IV back to the skcipher API client.
This is necessary for chaining to work correctly.

Note that for CTR, this is only done if the request is a round multiple of
the block size, since otherwise, chaining is impossible anyway.

Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

path: root/include/soc/tegra/emc.h

/*
 * Copyright (c) 2014 NVIDIA Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __SOC_TEGRA_EMC_H__
#define __SOC_TEGRA_EMC_H__

struct tegra_emc;

int tegra_emc_prepare_timing_change(struct tegra_emc *emc,
				    unsigned long rate);
void tegra_emc_complete_timing_change(struct tegra_emc *emc,
				      unsigned long rate);

#endif /* __SOC_TEGRA_EMC_H__ */