Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\debug.c Create Date:2022-07-28 10:34:56
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:dump_show

Proto:static int dump_show(struct seq_file *seq, void *v)

Type:int

Parameter:

TypeParameterName
struct seq_file *seq
void *v
821  When idx < HASH_SIZE cycle
822  bucket = Hash list to save the allocated dma addresses [idx]
826  spin_lock_irqsave( & lock, flags)
828  seq_printf(seq, "%s %s %s idx %d P=%llx N=%lx D=%llx L=%llx %s %s\n", dev_name(dev), debugging and troubleshooting/diagnostic helpers. , type2name[type], idx, phys_addr(entry), pfn, dev_addr, size, dir2name[direction], maperr2str[map_err_type])
838  spin_unlock_irqrestore( & lock, flags)
840  Return 0