crypto/qce/core.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
0004  */
0005
0006 #ifndef _CORE_H_
0007 #define _CORE_H_
0008
0009 #include "dma.h"
0010
0011 /**
0012  * struct qce_device - crypto engine device structure
0013  * @queue: crypto request queue
0014  * @lock: the lock protects queue and req
0015  * @done_tasklet: done tasklet object
0016  * @req: current active request
0017  * @result: result of current transform
0018  * @base: virtual IO base
0019  * @dev: pointer to device structure
0020  * @core: core device clock
0021  * @iface: interface clock
0022  * @bus: bus clock
0023  * @dma: pointer to dma data
0024  * @burst_size: the crypto burst size
0025  * @pipe_pair_id: which pipe pair id the device using
0026  * @async_req_enqueue: invoked by every algorithm to enqueue a request
0027  * @async_req_done: invoked by every algorithm to finish its request
0028  */
0029 struct qce_device {
0030     struct crypto_queue queue;
0031     spinlock_t lock;
0032     struct tasklet_struct done_tasklet;
0033     struct crypto_async_request *req;
0034     int result;
0035     void __iomem *base;
0036     struct device *dev;
0037     struct clk *core, *iface, *bus;
0038     struct qce_dma_data dma;
0039     int burst_size;
0040     unsigned int pipe_pair_id;
0041     int (*async_req_enqueue)(struct qce_device *qce,
0042                  struct crypto_async_request *req);
0043     void (*async_req_done)(struct qce_device *qce, int ret);
0044 };
0045
0046 /**
0047  * struct qce_algo_ops - algorithm operations per crypto type
0048  * @type: should be CRYPTO_ALG_TYPE_XXX
0049  * @register_algs: invoked by core to register the algorithms
0050  * @unregister_algs: invoked by core to unregister the algorithms
0051  * @async_req_handle: invoked by core to handle enqueued request
0052  */
0053 struct qce_algo_ops {
0054     u32 type;
0055     int (*register_algs)(struct qce_device *qce);
0056     void (*unregister_algs)(struct qce_device *qce);
0057     int (*async_req_handle)(struct crypto_async_request *async_req);
0058 };
0059
0060 #endif /* _CORE_H_ */