mirror of https://gitee.com/openkylin/qemu.git
42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
/*
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* Copyright (c) 2009 Laurent Vivier
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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typedef struct {
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void *opaque;
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void *channel;
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int len;
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int is_last;
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void *buf;
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int buf_pos;
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int buf_len;
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} DBDMA_transfer;
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typedef int (*DBDMA_transfer_cb)(DBDMA_transfer *info);
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typedef int (*DBDMA_transfer_handler)(DBDMA_transfer *info,
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DBDMA_transfer_cb cb);
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void DBDMA_register_channel(void *dbdma, int nchan, qemu_irq irq,
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DBDMA_transfer_handler transfer_handler,
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void *opaque);
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void DBDMA_schedule(void);
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void* DBDMA_init (int *dbdma_mem_index);
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