Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\debug.c Create Date:2022-07-28 10:34:35
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:phys_addr

Proto:static unsigned long long phys_addr(struct dma_debug_entry *entry)

Type:unsigned long long

Parameter:

TypeParameterName
struct dma_debug_entry *entry
388  If type == dma_debug_resource Then Return __pfn_to_phys(pfn) + offset
391  Return Change "struct page" to physical address.(pfn_to_page(pfn)) + offset
Caller
NameDescribe
debug_dma_dump_mappingsDump mapping entries for debugging purposes
dump_show
check_unmap