Revision 6512a2a7
| b/dma-helpers.c | ||
|---|---|---|
| 10 | 10 |
#include "dma.h" |
| 11 | 11 |
#include "block_int.h" |
| 12 | 12 |
|
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static AIOPool dma_aio_pool; |
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void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint) |
| 14 | 16 |
{
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| 15 | 17 |
qsg->sg = qemu_malloc(alloc_hint * sizeof(ScatterGatherEntry)); |
| ... | ... | |
| 126 | 128 |
DMABlockState *dbs = qemu_malloc(sizeof(*dbs)); |
| 127 | 129 |
|
| 128 | 130 |
dbs->bs = bs; |
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dbs->acb = qemu_aio_get(bs, cb, opaque);
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dbs->acb = qemu_aio_get_pool(&dma_aio_pool, bs, cb, opaque);
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|
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dbs->sg = sg; |
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dbs->sector_num = sector_num; |
| 132 | 134 |
dbs->sg_cur_index = 0; |
| ... | ... | |
| 153 | 155 |
return dma_bdrv_io(bs, sg, sector, cb, opaque, 1); |
| 154 | 156 |
} |
| 155 | 157 |
|
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static void dma_aio_cancel(BlockDriverAIOCB *acb) |
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{
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DMABlockState *dbs = (DMABlockState *)acb->opaque; |
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bdrv_aio_cancel(dbs->acb); |
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} |
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void dma_helper_init(void) |
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{
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aio_pool_init(&dma_aio_pool, sizeof(BlockDriverAIOCB), dma_aio_cancel); |
|
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} |
|
| b/dma.h | ||
|---|---|---|
| 37 | 37 |
BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs, |
| 38 | 38 |
QEMUSGList *sg, uint64_t sector, |
| 39 | 39 |
BlockDriverCompletionFunc *cb, void *opaque); |
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void dma_helper_init(void); |
|
| 40 | 41 |
|
| 41 | 42 |
#endif |
| b/vl.c | ||
|---|---|---|
| 5515 | 5515 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
| 5516 | 5516 |
|
| 5517 | 5517 |
bdrv_init(); |
| 5518 |
dma_helper_init(); |
|
| 5518 | 5519 |
|
| 5519 | 5520 |
/* we always create the cdrom drive, even if no disk is there */ |
| 5520 | 5521 |
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