Function report |
Source Code:kernel\dma\coherent.c |
Create Date:2022-07-28 10:33:56 |
Last Modify:2020-03-17 14:54:14 | Copyright©Brick |
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Name: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
Proto:int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma, void *vaddr, size_t size, int *ret)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct device * | dev | |
struct vm_area_struct * | vma | |
void * | vaddr | |
size_t | size | |
int * | ret |
277 | mem = dev_get_coherent_memory(dev) |
Name | Describe |
---|---|
dma_common_mmap | Create userspace mapping for the DMA-coherent memory. |
dma_direct_mmap |
Source code conversion tool public plug-in interface | X |
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