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linuxkpi: Add dma_{un,}map_sgtable

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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
This commit is contained in:
Emmanuel Vadot 2022-08-09 11:55:02 +02:00
parent b1c82bd402
commit 9202c95f47
1 changed files with 20 additions and 0 deletions
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20
sys/compat/linuxkpi/common/include/linux/dma-mapping.h
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@ -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_ */