函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\direct.c Create Date:2022-07-27 11:33:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:dma_direct_possible

函数原型:static inline bool dma_direct_possible(struct device *dev, dma_addr_t dma_addr, size_t size)

返回类型:bool

参数:

类型参数名称
struct device *dev
dma_addr_tdma_addr
size_tsize
363  返回:swiotlb_force不等于SWIOTLB_FORCEdma_capable(dev, dma_addr, size, true)
调用者
名称描述
dma_direct_map_page