diff options
Diffstat (limited to 'dma-helpers.c')
| -rw-r--r-- | dma-helpers.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/dma-helpers.c b/dma-helpers.c index 5265132edf..4c9e529620 100644 --- a/dma-helpers.c +++ b/dma-helpers.c @@ -26,12 +26,13 @@ int dma_memory_set(DMAContext *dma, dma_addr_t addr, uint8_t c, dma_addr_t len) return 0; } -void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint) +void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint, DMAContext *dma) { qsg->sg = g_malloc(alloc_hint * sizeof(ScatterGatherEntry)); qsg->nsg = 0; qsg->nalloc = alloc_hint; qsg->size = 0; + qsg->dma = dma; } void qemu_sglist_add(QEMUSGList *qsg, dma_addr_t base, dma_addr_t len) @@ -90,10 +91,9 @@ static void dma_bdrv_unmap(DMAAIOCB *dbs) int i; 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->dir != DMA_DIRECTION_TO_DEVICE, - dbs->iov.iov[i].iov_len); + dma_memory_unmap(dbs->sg->dma, dbs->iov.iov[i].iov_base, + dbs->iov.iov[i].iov_len, dbs->dir, + dbs->iov.iov[i].iov_len); } qemu_iovec_reset(&dbs->iov); } @@ -122,7 +122,7 @@ static void dma_complete(DMAAIOCB *dbs, int ret) static void dma_bdrv_cb(void *opaque, int ret) { DMAAIOCB *dbs = (DMAAIOCB *)opaque; - target_phys_addr_t cur_addr, cur_len; + dma_addr_t cur_addr, cur_len; void *mem; trace_dma_bdrv_cb(dbs, ret); @@ -139,8 +139,7 @@ static void dma_bdrv_cb(void *opaque, int ret) 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->dir != DMA_DIRECTION_TO_DEVICE); + mem = dma_memory_map(dbs->sg->dma, cur_addr, &cur_len, dbs->dir); if (!mem) break; qemu_iovec_add(&dbs->iov, mem, cur_len); @@ -225,7 +224,8 @@ BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs, } -static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg, bool to_dev) +static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg, + DMADirection dir) { uint64_t resid; int sg_cur_index; @@ -236,7 +236,7 @@ static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg, bool to_de while (len > 0) { ScatterGatherEntry entry = sg->sg[sg_cur_index++]; int32_t xfer = MIN(len, entry.len); - cpu_physical_memory_rw(entry.base, ptr, xfer, !to_dev); + dma_memory_rw(sg->dma, entry.base, ptr, xfer, dir); ptr += xfer; len -= xfer; resid -= xfer; @@ -247,12 +247,12 @@ static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg, bool to_de uint64_t dma_buf_read(uint8_t *ptr, int32_t len, QEMUSGList *sg) { - return dma_buf_rw(ptr, len, sg, 0); + return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_FROM_DEVICE); } uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg) { - return dma_buf_rw(ptr, len, sg, 1); + return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_TO_DEVICE); } void dma_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie, |