From 282a2feeb9bfb1d1dfbad93df206b74eaf80d564 Mon Sep 17 00:00:00 2001 From: Jon Mason Date: Tue, 12 Feb 2013 09:52:50 -0700 Subject: NTB: Use DMA Engine to Transmit and Receive Allocate and use a DMA engine channel to transmit and receive data over NTB. If none is allocated, fall back to using the CPU to transfer data. Signed-off-by: Jon Mason Reviewed-by: Dan Williams Reviewed-by: Dave Jiang --- drivers/ntb/ntb_hw.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/ntb/ntb_hw.h') diff --git a/drivers/ntb/ntb_hw.h b/drivers/ntb/ntb_hw.h index d838bc13b956..4f42ed18103a 100644 --- a/drivers/ntb/ntb_hw.h +++ b/drivers/ntb/ntb_hw.h @@ -240,6 +240,7 @@ int ntb_write_local_spad(struct ntb_device *ndev, unsigned int idx, u32 val); int ntb_read_local_spad(struct ntb_device *ndev, unsigned int idx, u32 *val); int ntb_write_remote_spad(struct ntb_device *ndev, unsigned int idx, u32 val); int ntb_read_remote_spad(struct ntb_device *ndev, unsigned int idx, u32 *val); +resource_size_t ntb_get_mw_base(struct ntb_device *ndev, unsigned int mw); void __iomem *ntb_get_mw_vbase(struct ntb_device *ndev, unsigned int mw); u64 ntb_get_mw_size(struct ntb_device *ndev, unsigned int mw); void ntb_ring_sdb(struct ntb_device *ndev, unsigned int idx); -- cgit v1.2.3