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49 lines
1.9 KiB
49 lines
1.9 KiB
20 years ago
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/*
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*
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Copyright (c) Eicon Networks, 2002.
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*
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This source file is supplied for the use with
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Eicon Networks range of DIVA Server Adapters.
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*
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Eicon File Revision : 2.1
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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, or (at your option)
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any later version.
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*
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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*
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef __DIVA_DMA_MAPPING_IFC_H__
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#define __DIVA_DMA_MAPPING_IFC_H__
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typedef struct _diva_dma_map_entry diva_dma_map_entry_t;
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struct _diva_dma_map_entry* diva_alloc_dma_map (void* os_context, int nentries);
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void diva_init_dma_map_entry (struct _diva_dma_map_entry* pmap,
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int nr, void* virt, dword phys,
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void* addr_handle);
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int diva_alloc_dma_map_entry (struct _diva_dma_map_entry* pmap);
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void diva_free_dma_map_entry (struct _diva_dma_map_entry* pmap, int entry);
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void diva_get_dma_map_entry (struct _diva_dma_map_entry* pmap, int nr,
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void** pvirt, dword* pphys);
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void diva_free_dma_mapping (struct _diva_dma_map_entry* pmap);
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/*
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Functionality to be implemented by OS wrapper
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and running in process context
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*/
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void diva_init_dma_map (void* hdev,
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struct _diva_dma_map_entry** ppmap,
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int nentries);
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void diva_free_dma_map (void* hdev,
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struct _diva_dma_map_entry* pmap);
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void* diva_get_entry_handle (struct _diva_dma_map_entry* pmap, int nr);
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#endif
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