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1 | /* |
2 | * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 and | |
6 | * only version 2 as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
13 | ||
14 | #ifndef _CORE_H_ | |
15 | #define _CORE_H_ | |
16 | ||
17 | #include "dma.h" | |
18 | ||
19 | /** | |
20 | * struct qce_device - crypto engine device structure | |
21 | * @queue: crypto request queue | |
22 | * @lock: the lock protects queue and req | |
23 | * @done_tasklet: done tasklet object | |
24 | * @req: current active request | |
25 | * @result: result of current transform | |
26 | * @base: virtual IO base | |
27 | * @dev: pointer to device structure | |
28 | * @core: core device clock | |
29 | * @iface: interface clock | |
30 | * @bus: bus clock | |
31 | * @dma: pointer to dma data | |
32 | * @burst_size: the crypto burst size | |
33 | * @pipe_pair_id: which pipe pair id the device using | |
34 | * @async_req_enqueue: invoked by every algorithm to enqueue a request | |
35 | * @async_req_done: invoked by every algorithm to finish its request | |
36 | */ | |
37 | struct qce_device { | |
38 | struct crypto_queue queue; | |
39 | spinlock_t lock; | |
40 | struct tasklet_struct done_tasklet; | |
41 | struct crypto_async_request *req; | |
42 | int result; | |
43 | void __iomem *base; | |
44 | struct device *dev; | |
45 | struct clk *core, *iface, *bus; | |
46 | struct qce_dma_data dma; | |
47 | int burst_size; | |
48 | unsigned int pipe_pair_id; | |
49 | int (*async_req_enqueue)(struct qce_device *qce, | |
50 | struct crypto_async_request *req); | |
51 | void (*async_req_done)(struct qce_device *qce, int ret); | |
52 | }; | |
53 | ||
54 | /** | |
55 | * struct qce_algo_ops - algorithm operations per crypto type | |
56 | * @type: should be CRYPTO_ALG_TYPE_XXX | |
57 | * @register_algs: invoked by core to register the algorithms | |
58 | * @unregister_algs: invoked by core to unregister the algorithms | |
59 | * @async_req_handle: invoked by core to handle enqueued request | |
60 | */ | |
61 | struct qce_algo_ops { | |
62 | u32 type; | |
63 | int (*register_algs)(struct qce_device *qce); | |
64 | void (*unregister_algs)(struct qce_device *qce); | |
65 | int (*async_req_handle)(struct crypto_async_request *async_req); | |
66 | }; | |
67 | ||
68 | #endif /* _CORE_H_ */ |