Stanimir Varbanov | ec8f5d8 | 2014-06-25 19:28:57 +0300 | [diff] [blame] | 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_ */ |