core.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
 4 */
 5
 6#ifndef _CORE_H_
 7#define _CORE_H_
 8
 9#include <linux/mutex.h>
10#include <linux/workqueue.h>
11
12#include "dma.h"
13
14/**
15 * struct qce_device - crypto engine device structure
16 * @queue: crypto request queue
17 * @lock: the lock protects queue and req
18 * @done_work: workqueue context
19 * @req: current active request
20 * @result: result of current transform
21 * @base: virtual IO base
22 * @dev: pointer to device structure
23 * @core: core device clock
24 * @iface: interface clock
25 * @bus: bus clock
26 * @dma: pointer to dma data
27 * @burst_size: the crypto burst size
28 * @pipe_pair_id: which pipe pair id the device using
29 * @async_req_enqueue: invoked by every algorithm to enqueue a request
30 * @async_req_done: invoked by every algorithm to finish its request
31 */
32struct qce_device {
33	struct crypto_queue queue;
34	struct mutex lock;
35	struct work_struct done_work;
36	struct crypto_async_request *req;
37	int result;
38	void __iomem *base;
39	struct device *dev;
40	struct clk *core, *iface, *bus;
41	struct icc_path *mem_path;
42	struct qce_dma_data dma;
43	int burst_size;
44	unsigned int pipe_pair_id;
45	int (*async_req_enqueue)(struct qce_device *qce,
46				 struct crypto_async_request *req);
47	void (*async_req_done)(struct qce_device *qce, int ret);
48};
49
50/**
51 * struct qce_algo_ops - algorithm operations per crypto type
52 * @type: should be CRYPTO_ALG_TYPE_XXX
53 * @register_algs: invoked by core to register the algorithms
54 * @unregister_algs: invoked by core to unregister the algorithms
55 * @async_req_handle: invoked by core to handle enqueued request
56 */
57struct qce_algo_ops {
58	u32 type;
59	int (*register_algs)(struct qce_device *qce);
60	void (*unregister_algs)(struct qce_device *qce);
61	int (*async_req_handle)(struct crypto_async_request *async_req);
62};
63
64#endif /* _CORE_H_ */