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/*
* Copyright (c) 2014, The Linux Foundation. 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 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __MSM_RNG_HEADER__
#define __MSM_RNG_HEADER__
#include <linux/semaphore.h>
#include <linux/qcedev.h>
struct _fips_drbg_ctx;
#define FIPS140_DRBG_ENABLED (1)
#define FIPS140_DRBG_DISABLED (0)
#define Q_HW_DRBG_BLOCK_BYTES (32)
extern void fips_reg_drbg_callback(void *src);
struct msm_rng_device {
struct platform_device *pdev;
void __iomem *base;
struct clk *prng_clk;
uint32_t qrng_perf_client;
struct mutex rng_lock;
struct fips_drbg_ctx_s *drbg_ctx;
int fips140_drbg_enabled;
};
/*
*
* This function calls hardware random bit generator
* directory and retuns it back to caller.
*
*/
int msm_rng_direct_read(struct msm_rng_device *msm_rng_dev, void *data);
#endif
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