函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\coherent.c Create Date:2022-07-27 11:33:46
Last Modify:2020-03-17 14:54:14 Copyright©Brick
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函数名称:dma_mmap_from_global_coherent

函数原型:int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *vaddr, size_t size, int *ret)

返回类型:int

参数:

类型参数名称
struct vm_area_struct *vma
void *vaddr
size_tsize
int *ret
285  如果非dma_coherent_default_memory则返回:0
288  返回:__dma_mmap_from_coherent(dma_coherent_default_memory, vma, vaddr, size, ret)