diff options
Diffstat (limited to 'hw/ide')
| -rw-r--r-- | hw/ide/macio.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/hw/ide/macio.c b/hw/ide/macio.c index 78c10a0406..fa57352fc8 100644 --- a/hw/ide/macio.c +++ b/hw/ide/macio.c @@ -66,8 +66,7 @@ static void pmac_dma_read(BlockBackend *blk, DBDMA_io *io = opaque; MACIOIDEState *m = io->opaque; IDEState *s = idebus_active_if(&m->bus); - dma_addr_t dma_addr, dma_len; - void *mem; + dma_addr_t dma_addr; int64_t sector_num; int nsector; uint64_t align = BDRV_SECTOR_SIZE; @@ -84,9 +83,10 @@ static void pmac_dma_read(BlockBackend *blk, sector_num, nsector); dma_addr = io->addr; - dma_len = io->len; - mem = dma_memory_map(&address_space_memory, dma_addr, &dma_len, - DMA_DIRECTION_FROM_DEVICE); + io->dir = DMA_DIRECTION_FROM_DEVICE; + io->dma_len = io->len; + io->dma_mem = dma_memory_map(&address_space_memory, dma_addr, &io->dma_len, + io->dir); if (offset & (align - 1)) { head_bytes = offset & (align - 1); @@ -100,7 +100,7 @@ static void pmac_dma_read(BlockBackend *blk, offset = offset & ~(align - 1); } - qemu_iovec_add(&io->iov, mem, io->len); + qemu_iovec_add(&io->iov, io->dma_mem, io->len); if ((offset + bytes) & (align - 1)) { tail_bytes = (offset + bytes) & (align - 1); @@ -130,8 +130,7 @@ static void pmac_dma_write(BlockBackend *blk, DBDMA_io *io = opaque; MACIOIDEState *m = io->opaque; IDEState *s = idebus_active_if(&m->bus); - dma_addr_t dma_addr, dma_len; - void *mem; + dma_addr_t dma_addr; int64_t sector_num; int nsector; uint64_t align = BDRV_SECTOR_SIZE; @@ -149,9 +148,10 @@ static void pmac_dma_write(BlockBackend *blk, sector_num, nsector); dma_addr = io->addr; - dma_len = io->len; - mem = dma_memory_map(&address_space_memory, dma_addr, &dma_len, - DMA_DIRECTION_TO_DEVICE); + io->dir = DMA_DIRECTION_TO_DEVICE; + io->dma_len = io->len; + io->dma_mem = dma_memory_map(&address_space_memory, dma_addr, &io->dma_len, + io->dir); if (offset & (align - 1)) { head_bytes = offset & (align - 1); @@ -163,7 +163,7 @@ static void pmac_dma_write(BlockBackend *blk, blk_pread(s->blk, (sector_num << 9), &io->head_remainder, align); qemu_iovec_add(&io->iov, &io->head_remainder, head_bytes); - qemu_iovec_add(&io->iov, mem, io->len); + qemu_iovec_add(&io->iov, io->dma_mem, io->len); bytes += offset & (align - 1); offset = offset & ~(align - 1); @@ -181,7 +181,7 @@ static void pmac_dma_write(BlockBackend *blk, blk_pread(s->blk, (sector_num << 9), &io->tail_remainder, align); if (!unaligned_head) { - qemu_iovec_add(&io->iov, mem, io->len); + qemu_iovec_add(&io->iov, io->dma_mem, io->len); } qemu_iovec_add(&io->iov, &io->tail_remainder + tail_bytes, @@ -193,7 +193,7 @@ static void pmac_dma_write(BlockBackend *blk, } if (!unaligned_head && !unaligned_tail) { - qemu_iovec_add(&io->iov, mem, io->len); + qemu_iovec_add(&io->iov, io->dma_mem, io->len); } s->io_buffer_size -= io->len; @@ -214,18 +214,18 @@ static void pmac_dma_trim(BlockBackend *blk, DBDMA_io *io = opaque; MACIOIDEState *m = io->opaque; IDEState *s = idebus_active_if(&m->bus); - dma_addr_t dma_addr, dma_len; - void *mem; + dma_addr_t dma_addr; qemu_iovec_destroy(&io->iov); qemu_iovec_init(&io->iov, io->len / MACIO_PAGE_SIZE + 1); dma_addr = io->addr; - dma_len = io->len; - mem = dma_memory_map(&address_space_memory, dma_addr, &dma_len, - DMA_DIRECTION_TO_DEVICE); + io->dir = DMA_DIRECTION_TO_DEVICE; + io->dma_len = io->len; + io->dma_mem = dma_memory_map(&address_space_memory, dma_addr, &io->dma_len, + io->dir); - qemu_iovec_add(&io->iov, mem, io->len); + qemu_iovec_add(&io->iov, io->dma_mem, io->len); s->io_buffer_size -= io->len; s->io_buffer_index += io->len; io->len = 0; @@ -285,6 +285,9 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) return; done: + dma_memory_unmap(&address_space_memory, io->dma_mem, io->dma_len, + io->dir, io->dma_len); + if (ret < 0) { block_acct_failed(blk_get_stats(s->blk), &s->acct); } else { @@ -351,6 +354,9 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) return; done: + dma_memory_unmap(&address_space_memory, io->dma_mem, io->dma_len, + io->dir, io->dma_len); + if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) { if (ret < 0) { block_acct_failed(blk_get_stats(s->blk), &s->acct); |