LXR linux/drivers/crypto/qce/core.h

   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 */
  37struct 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 */
  61struct 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_ */
  69