xref: /openbmc/linux/drivers/crypto/qce/core.h (revision f4356947)
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 "dma.h"
10 
11 /**
12  * struct qce_device - crypto engine device structure
13  * @queue: crypto request queue
14  * @lock: the lock protects queue and req
15  * @done_tasklet: done tasklet object
16  * @req: current active request
17  * @result: result of current transform
18  * @base: virtual IO base
19  * @dev: pointer to device structure
20  * @core: core device clock
21  * @iface: interface clock
22  * @bus: bus clock
23  * @dma: pointer to dma data
24  * @burst_size: the crypto burst size
25  * @pipe_pair_id: which pipe pair id the device using
26  * @async_req_enqueue: invoked by every algorithm to enqueue a request
27  * @async_req_done: invoked by every algorithm to finish its request
28  */
29 struct qce_device {
30 	struct crypto_queue queue;
31 	spinlock_t lock;
32 	struct tasklet_struct done_tasklet;
33 	struct crypto_async_request *req;
34 	int result;
35 	void __iomem *base;
36 	struct device *dev;
37 	struct clk *core, *iface, *bus;
38 	struct icc_path *mem_path;
39 	struct qce_dma_data dma;
40 	int burst_size;
41 	unsigned int pipe_pair_id;
42 	int (*async_req_enqueue)(struct qce_device *qce,
43 				 struct crypto_async_request *req);
44 	void (*async_req_done)(struct qce_device *qce, int ret);
45 };
46 
47 /**
48  * struct qce_algo_ops - algorithm operations per crypto type
49  * @type: should be CRYPTO_ALG_TYPE_XXX
50  * @register_algs: invoked by core to register the algorithms
51  * @unregister_algs: invoked by core to unregister the algorithms
52  * @async_req_handle: invoked by core to handle enqueued request
53  */
54 struct qce_algo_ops {
55 	u32 type;
56 	int (*register_algs)(struct qce_device *qce);
57 	void (*unregister_algs)(struct qce_device *qce);
58 	int (*async_req_handle)(struct crypto_async_request *async_req);
59 };
60 
61 #endif /* _CORE_H_ */
62