69 строки
2.2 KiB
C
69 строки
2.2 KiB
C
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/*
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* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _CORE_H_
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#define _CORE_H_
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#include "dma.h"
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/**
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* struct qce_device - crypto engine device structure
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* @queue: crypto request queue
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* @lock: the lock protects queue and req
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* @done_tasklet: done tasklet object
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* @req: current active request
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* @result: result of current transform
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* @base: virtual IO base
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* @dev: pointer to device structure
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* @core: core device clock
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* @iface: interface clock
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* @bus: bus clock
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* @dma: pointer to dma data
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* @burst_size: the crypto burst size
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* @pipe_pair_id: which pipe pair id the device using
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* @async_req_enqueue: invoked by every algorithm to enqueue a request
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* @async_req_done: invoked by every algorithm to finish its request
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*/
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struct qce_device {
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struct crypto_queue queue;
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spinlock_t lock;
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struct tasklet_struct done_tasklet;
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struct crypto_async_request *req;
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int result;
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void __iomem *base;
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struct device *dev;
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struct clk *core, *iface, *bus;
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struct qce_dma_data dma;
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int burst_size;
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unsigned int pipe_pair_id;
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int (*async_req_enqueue)(struct qce_device *qce,
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struct crypto_async_request *req);
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void (*async_req_done)(struct qce_device *qce, int ret);
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};
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/**
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* struct qce_algo_ops - algorithm operations per crypto type
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* @type: should be CRYPTO_ALG_TYPE_XXX
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* @register_algs: invoked by core to register the algorithms
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* @unregister_algs: invoked by core to unregister the algorithms
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* @async_req_handle: invoked by core to handle enqueued request
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*/
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struct qce_algo_ops {
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u32 type;
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int (*register_algs)(struct qce_device *qce);
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void (*unregister_algs)(struct qce_device *qce);
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int (*async_req_handle)(struct crypto_async_request *async_req);
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};
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#endif /* _CORE_H_ */
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