函数逻辑报告 |
Source Code:include\linux\dma-noncoherent.h |
Create Date:2022-07-27 11:32:15 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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函数名称：Check if an allocation needs to be marked uncached to be coherent.
函数原型：static __always_inline bool dma_alloc_need_uncached(struct device *dev, unsigned long attrs)
返回类型：bool
参数：
| 类型 | 参数 | 名称 |
|---|---|---|
| struct device * | dev | |
| unsigned long | attrs |
| 30 | 如果dev_is_dma_coherent(dev)则返回:false |
| 32 | 如果attrs按位与DMA_ATTR_NO_KERNEL_MAPPING: Lets the platform to avoid creating a kernel* virtual mapping for the allocated buffer.则返回:false |
| 37 | 返回:true |
| 源代码转换工具 开放的插件接口 | X |
|---|---|
| 支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告 代码生成和批量转换代码 |