函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\kfifo.c Create Date:2022-07-27 07:21:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:__kfifo_dma_out_prepare

函数原型:unsigned int __kfifo_dma_out_prepare(struct __kfifo *fifo, struct scatterlist *sgl, int nents, unsigned int len)

返回类型:unsigned int

参数:

类型参数名称
struct __kfifo *fifo
struct scatterlist *sgl
intnents
unsigned intlen
374  l等于inout
375  如果len大于llen等于l
378  返回:setup_sgl(fifo, sgl, nents, len, out)