函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-27 06:51:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：dma_get_max_seg_size

函数原型：static inline unsigned int dma_get_max_seg_size(struct device *dev)

返回类型：unsigned int

参数：

类型参数名称
struct device *dev
721  如果dma_parms且* a low level driver may set these to teach IOMMU code about * sg limitations.则返回:* a low level driver may set these to teach IOMMU code about * sg limitations.
723  返回:SZ_64K
调用者
名称描述
gart_map_sgDMA map all entries in a scatterlist.* Merge chunks that have page aligned sizes into a continuous mapping.
bucket_find_contain
ib_dma_max_seg_size_dma_max_seg_size - Return the size limit of a single DMA transfer*@dev: The device to query* The returned value represents a size in bytes.