diff options
Diffstat (limited to 'drivers/dma/ioat/dma_v2.h')
| -rw-r--r-- | drivers/dma/ioat/dma_v2.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h index bdde5373cf66..73b04a2eb4b0 100644 --- a/drivers/dma/ioat/dma_v2.h +++ b/drivers/dma/ioat/dma_v2.h @@ -127,6 +127,16 @@ ioat2_get_ring_ent(struct ioat2_dma_chan *ioat, u16 idx) return ioat->ring[idx & ioat2_ring_mask(ioat)]; } +static inline void ioat2_set_chainaddr(struct ioat2_dma_chan *ioat, u64 addr) +{ + struct ioat_chan_common *chan = &ioat->base; + + writel(addr & 0x00000000FFFFFFFF, + chan->reg_base + IOAT2_CHAINADDR_OFFSET_LOW); + writel(addr >> 32, + chan->reg_base + IOAT2_CHAINADDR_OFFSET_HIGH); +} + int __devinit ioat2_dma_probe(struct ioatdma_device *dev, int dca); int __devinit ioat3_dma_probe(struct ioatdma_device *dev, int dca); struct dca_provider * __devinit ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase); |