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100644 44 lines (39 sloc) 1.678 kb
68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
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 target_phys_addr_t 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);
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