函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\rdma\ib_verbs.h Create Date:2022-07-27 08:13:43
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：_dma_mapping_error - check a DMA addr for error*@dev: The device for which the dma_addr was created*@dma_addr: The DMA address to check

函数原型：static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr)

返回类型：int

参数：

类型参数名称
struct ib_device *dev
u64dma_addr
3982  返回:dma_mapping_error( Do not access @dma_device directly from ULP nor from HW drivers. , dma_addr)