*/
#include "dma.h"
-#include "block_int.h"
#include "trace.h"
void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint)
BlockDriverAIOCB *acb;
QEMUSGList *sg;
uint64_t sector_num;
- bool to_dev;
+ DMADirection dir;
bool in_cancel;
int sg_cur_index;
dma_addr_t sg_cur_byte;
for (i = 0; i < dbs->iov.niov; ++i) {
cpu_physical_memory_unmap(dbs->iov.iov[i].iov_base,
- dbs->iov.iov[i].iov_len, !dbs->to_dev,
+ dbs->iov.iov[i].iov_len,
+ dbs->dir != DMA_DIRECTION_TO_DEVICE,
dbs->iov.iov[i].iov_len);
}
qemu_iovec_reset(&dbs->iov);
while (dbs->sg_cur_index < dbs->sg->nsg) {
cur_addr = dbs->sg->sg[dbs->sg_cur_index].base + dbs->sg_cur_byte;
cur_len = dbs->sg->sg[dbs->sg_cur_index].len - dbs->sg_cur_byte;
- mem = cpu_physical_memory_map(cur_addr, &cur_len, !dbs->to_dev);
+ mem = cpu_physical_memory_map(cur_addr, &cur_len,
+ dbs->dir != DMA_DIRECTION_TO_DEVICE);
if (!mem)
break;
qemu_iovec_add(&dbs->iov, mem, cur_len);
BlockDriverAIOCB *dma_bdrv_io(
BlockDriverState *bs, QEMUSGList *sg, uint64_t sector_num,
DMAIOFunc *io_func, BlockDriverCompletionFunc *cb,
- void *opaque, bool to_dev)
+ void *opaque, DMADirection dir)
{
DMAAIOCB *dbs = qemu_aio_get(&dma_aio_pool, bs, cb, opaque);
- trace_dma_bdrv_io(dbs, bs, sector_num, to_dev);
+ trace_dma_bdrv_io(dbs, bs, sector_num, (dir == DMA_DIRECTION_TO_DEVICE));
dbs->acb = NULL;
dbs->bs = bs;
dbs->sector_num = sector_num;
dbs->sg_cur_index = 0;
dbs->sg_cur_byte = 0;
- dbs->to_dev = to_dev;
+ dbs->dir = dir;
dbs->io_func = io_func;
dbs->bh = NULL;
qemu_iovec_init(&dbs->iov, sg->nsg);
QEMUSGList *sg, uint64_t sector,
void (*cb)(void *opaque, int ret), void *opaque)
{
- return dma_bdrv_io(bs, sg, sector, bdrv_aio_readv, cb, opaque, false);
+ return dma_bdrv_io(bs, sg, sector, bdrv_aio_readv, cb, opaque,
+ DMA_DIRECTION_FROM_DEVICE);
}
BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs,
QEMUSGList *sg, uint64_t sector,
void (*cb)(void *opaque, int ret), void *opaque)
{
- return dma_bdrv_io(bs, sg, sector, bdrv_aio_writev, cb, opaque, true);
+ return dma_bdrv_io(bs, sg, sector, bdrv_aio_writev, cb, opaque,
+ DMA_DIRECTION_TO_DEVICE);
}