1 /* 2 * Copyright (c) 2009 Laurent Vivier 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 * THE SOFTWARE. 21 */ 22 23 typedef struct DBDMA_io DBDMA_io; 24 25 typedef void (*DBDMA_flush)(DBDMA_io *io); 26 typedef void (*DBDMA_rw)(DBDMA_io *io); 27 typedef void (*DBDMA_end)(DBDMA_io *io); 28 struct DBDMA_io { 29 void *opaque; 30 void *channel; 31 a_target_phys_addr addr; 32 int len; 33 int is_last; 34 int is_dma_out; 35 DBDMA_end dma_end; 36 }; 37 38 39 void DBDMA_register_channel(void *dbdma, int nchan, qemu_irq irq, 40 DBDMA_rw rw, DBDMA_flush flush, 41 void *opaque); 42 void DBDMA_schedule(void); 43 void* DBDMA_init (int *dbdma_mem_index); 44