dev_get_coherent_memory

函数名称：dev_get_coherent_memory

函数原型：static inline struct dma_coherent_mem *dev_get_coherent_memory(struct device *dev)

返回类型：struct dma_coherent_mem

参数：

类型	参数	名称
struct device *	dev

26

如果dev且dma_mem则返回:dma_mem

28

返回:NULL

**调用者**
名称	描述
dma_alloc_from_dev_coherent	dma_alloc_from_dev_coherent() - allocate memory from device coherent pool@dev: device from which we allocate memory@size: size of requested memory area@dma_handle: This will be filled with the correct dma handle@ret: This pointer will be filled with
dma_release_from_dev_coherent	dma_release_from_dev_coherent() - free memory to device coherent memory pool@dev: device from which the memory was allocated@order: the order of pages allocated@vaddr: virtual address of allocated pages This checks whether the memory was allocated
dma_mmap_from_dev_coherent	dma_mmap_from_dev_coherent() - mmap memory from the device coherent pool@dev: device from which the memory was allocated@vma: vm_area for the userspace memory@vaddr: cpu address returned by dma_alloc_from_dev_coherent@size: size of the memory buffer

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