drivers/crypto/qce/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 "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 qce_dma_data dma;
  39         int burst_size;
  40         unsigned int pipe_pair_id;
  41         int (*async_req_enqueue)(struct qce_device *qce,
  42                                  struct crypto_async_request *req);
  43         void (*async_req_done)(struct qce_device *qce, int ret);
  44 };
  45
  46 /**
  47  * struct qce_algo_ops - algorithm operations per crypto type
  48  * @type: should be CRYPTO_ALG_TYPE_XXX
  49  * @register_algs: invoked by core to register the algorithms
  50  * @unregister_algs: invoked by core to unregister the algorithms
  51  * @async_req_handle: invoked by core to handle enqueued request
  52  */
  53 struct qce_algo_ops {
  54         u32 type;
  55         int (*register_algs)(struct qce_device *qce);
  56         void (*unregister_algs)(struct qce_device *qce);
  57         int (*async_req_handle)(struct crypto_async_request *async_req);
  58 };
  59
  60 #endif /* _CORE_H_ */