Function report |
Source Code:include\linux\dma-direct.h |
Create Date:2022-07-28 07:43:40 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__phys_to_dma
Proto:static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
Type:dma_addr_t
Parameter:
Type | Parameter | Name |
---|---|---|
struct device * | dev | |
phys_addr_t | paddr |
18 | Return dev_addr - (dma_pfn_offset << PAGE_SHIFT determines the page size ) |
Name | Describe |
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phys_to_dma_direct | |
dma_direct_alloc_pages | |
dma_direct_supported | |
swiotlb_map | Create a swiotlb mapping for the buffer at @phys, and in case of DMAing* to the device copy the data into it as well. |
Source code conversion tool public plug-in interface | X |
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