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 06:51:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:dma_mmap_wc

函数原型:static inline int dma_mmap_wc(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size)

返回类型:int

参数:

类型参数名称
struct device *dev
struct vm_area_struct *vma
void *cpu_addr
dma_addr_tdma_addr
size_tsize
801  返回:dma_mmap_attrs - map a coherent DMA allocation into user space*@dev: valid struct device pointer, or NULL for ISA and EISA-like devices*@vma: vm_area_struct describing requested user mapping*@cpu_addr: kernel CPU-view address returned from