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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
3
4/* \file cc_request_mgr.h
5 * Request Manager
6 */
7
8#ifndef __REQUEST_MGR_H__
9#define __REQUEST_MGR_H__
10
11#include "cc_hw_queue_defs.h"
12
13int cc_req_mgr_init(struct cc_drvdata *drvdata);
14
15/*!
16 * Enqueue caller request to crypto hardware.
17 *
18 * \param drvdata
19 * \param cc_req The request to enqueue
20 * \param desc The crypto sequence
21 * \param len The crypto sequence length
22 * \param is_dout If "true": completion is handled by the caller
23 * If "false": this function adds a dummy descriptor completion
24 * and waits upon completion signal.
25 *
26 * \return int Returns -EINPROGRESS or error
27 */
28int cc_send_request(struct cc_drvdata *drvdata, struct cc_crypto_req *cc_req,
29 struct cc_hw_desc *desc, unsigned int len,
30 struct crypto_async_request *req);
31
32int cc_send_sync_request(struct cc_drvdata *drvdata,
33 struct cc_crypto_req *cc_req, struct cc_hw_desc *desc,
34 unsigned int len);
35
36int send_request_init(struct cc_drvdata *drvdata, struct cc_hw_desc *desc,
37 unsigned int len);
38
39void complete_request(struct cc_drvdata *drvdata);
40
41void cc_req_mgr_fini(struct cc_drvdata *drvdata);
42
43#if defined(CONFIG_PM)
44int cc_resume_req_queue(struct cc_drvdata *drvdata);
45
46int cc_suspend_req_queue(struct cc_drvdata *drvdata);
47
48bool cc_req_queue_suspended(struct cc_drvdata *drvdata);
49#endif
50
51#endif /*__REQUEST_MGR_H__*/