From 9202c95f47c2c3be8972052dc31d540924db1447 Mon Sep 17 00:00:00 2001 From: Emmanuel Vadot Date: Tue, 9 Aug 2022 11:55:02 +0200 Subject: [PATCH] linuxkpi: Add dma_{un,}map_sgtable Variant of dma_{un,}map_sg_attrs for struct sg_table. Reviewed by: bz Obtained from: drm-kmod Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D36106 --- .../common/include/linux/dma-mapping.h | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/dma-mapping.h b/sys/compat/linuxkpi/common/include/linux/dma-mapping.h index dd3bbc094df..94adb0c6443 100644 --- a/sys/compat/linuxkpi/common/include/linux/dma-mapping.h +++ b/sys/compat/linuxkpi/common/include/linux/dma-mapping.h @@ -341,4 +341,24 @@ dma_max_mapping_size(struct device *dev) extern int uma_align_cache; #define dma_get_cache_alignment() uma_align_cache + +static inline int +dma_map_sgtable(struct device *dev, struct sg_table *sgt, + enum dma_data_direction dir, + unsigned long attrs) +{ + + return (dma_map_sg_attrs(dev, sgt->sgl, sgt->nents, dir, attrs)); +} + +static inline void +dma_unmap_sgtable(struct device *dev, struct sg_table *sgt, + enum dma_data_direction dir, + unsigned long attrs) +{ + + dma_unmap_sg_attrs(dev, sgt->sgl, sgt->nents, dir, attrs); +} + + #endif /* _LINUXKPI_LINUX_DMA_MAPPING_H_ */ -- 2.45.2