69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/******************************************************************************
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**
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** FILE NAME : ifxmips_deu_dma.h
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** DESCRIPTION : Data Encryption Unit Driver
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** COPYRIGHT : Copyright (c) 2009
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** Infineon Technologies AG
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** Am Campeon 1-12, 85579 Neubiberg, Germany
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** HISTORY
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** $Date $Author $Comment
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** 08,Sept 2009 Mohammad Firdaus Initial UEIP release
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*******************************************************************************/
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/*!
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\addtogroup IFX_DEU IFX_DEU_DRIVERS
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\ingroup API
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\brief ifx deu driver module
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*/
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/*!
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\file ifxmips_deu_dma.h
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\ingroup IFX_DEU
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\brief DMA deu driver header file
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*/
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#ifndef IFXMIPS_DEU_DMA_H
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#define IFXMIPS_DEU_DMA_H
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/mm.h>
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#include <linux/crypto.h>
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#include <asm/scatterlist.h>
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#include <asm/byteorder.h>
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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// must match the size of memory block allocated for g_dma_block and g_dma_block2
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#define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1)
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typedef struct ifx_deu_device {
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struct dma_device_info *dma_device;
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u8 *dst;
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u8 *src;
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int len;
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int dst_count;
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int src_count;
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int recv_count;
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int packet_size;
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int packet_num;
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wait_queue_t wait;
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} _ifx_deu_device;
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extern _ifx_deu_device ifx_deu[1];
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extern int deu_dma_intr_handler (struct dma_device_info *, int);
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extern u8 *deu_dma_buffer_alloc (int, int *, void **);
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extern int deu_dma_buffer_free (u8 *, void *);
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extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev);
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extern void deu_dma_activate_poll (struct dma_device_info* dma_dev);
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extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device);
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extern int deu_dma_release(struct dma_device_info** dma_device);
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#endif /* IFMIPS_DEU_DMA_H */
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