From b7f086912c1d3ce1e8c2753e0ff329947219d0f6 Mon Sep 17 00:00:00 2001 From: David Matlack Date: Fri, 22 Aug 2025 21:25:05 +0000 Subject: [PATCH] dmaengine: ioat: Move system_has_dca_enabled() to dma.h Move the function prototype for system_has_dca_enabled() from hw.h to dma.h. This allows hw.h to be included from tools/, which will be used in a subsysequent commit to implement a userspace driver for Intel CBDMA devices in tools/testing/selftests/vfio. No functional change intended. Acked-by: Dave Jiang Acked-by: Shuah Khan Signed-off-by: David Matlack Link: https://lore.kernel.org/r/20250822212518.4156428-19-dmatlack@google.com Signed-off-by: Alex Williamson --- drivers/dma/ioat/dma.h | 2 ++ drivers/dma/ioat/hw.h | 3 --- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index a180171087a87..12a4a4860a74e 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -19,6 +19,8 @@ #define IOAT_DMA_DCA_ANY_CPU ~0 +int system_has_dca_enabled(struct pci_dev *pdev); + #define to_ioatdma_device(dev) container_of(dev, struct ioatdma_device, dma_dev) #define to_dev(ioat_chan) (&(ioat_chan)->ioat_dma->pdev->dev) #define to_pdev(ioat_chan) ((ioat_chan)->ioat_dma->pdev) diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h index 79e4e4c09c188..0373c48520c90 100644 --- a/drivers/dma/ioat/hw.h +++ b/drivers/dma/ioat/hw.h @@ -63,9 +63,6 @@ #define IOAT_VER_3_3 0x33 /* Version 3.3 */ #define IOAT_VER_3_4 0x34 /* Version 3.4 */ - -int system_has_dca_enabled(struct pci_dev *pdev); - #define IOAT_DESC_SZ 64 struct ioat_dma_descriptor { -- 2.47.3