47 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			47 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #undef TRACE_SYSTEM
 | ||
|  | #define TRACE_SYSTEM swiotlb
 | ||
|  | 
 | ||
|  | #if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
 | ||
|  | #define _TRACE_SWIOTLB_H
 | ||
|  | 
 | ||
|  | #include <linux/tracepoint.h>
 | ||
|  | 
 | ||
|  | TRACE_EVENT(swiotlb_bounced, | ||
|  | 
 | ||
|  | 	TP_PROTO(struct device *dev, | ||
|  | 		 dma_addr_t dev_addr, | ||
|  | 		 size_t size, | ||
|  | 		 int swiotlb_force), | ||
|  | 
 | ||
|  | 	TP_ARGS(dev, dev_addr, size, swiotlb_force), | ||
|  | 
 | ||
|  | 	TP_STRUCT__entry( | ||
|  | 		__string(	dev_name,	dev_name(dev)	) | ||
|  | 		__field(	u64,	dma_mask		) | ||
|  | 		__field(	dma_addr_t,	dev_addr	) | ||
|  | 		__field(	size_t,	size			) | ||
|  | 		__field(	int,	swiotlb_force		) | ||
|  | 	), | ||
|  | 
 | ||
|  | 	TP_fast_assign( | ||
|  | 		__assign_str(dev_name, dev_name(dev)); | ||
|  | 		__entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0); | ||
|  | 		__entry->dev_addr = dev_addr; | ||
|  | 		__entry->size = size; | ||
|  | 		__entry->swiotlb_force = swiotlb_force; | ||
|  | 	), | ||
|  | 
 | ||
|  | 	TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx " | ||
|  | 		"size=%zu %s", | ||
|  | 		__get_str(dev_name), | ||
|  | 		__entry->dma_mask, | ||
|  | 		(unsigned long long)__entry->dev_addr, | ||
|  | 		__entry->size, | ||
|  | 		__entry->swiotlb_force ? "swiotlb_force" : "" ) | ||
|  | ); | ||
|  | 
 | ||
|  | #endif /*  _TRACE_SWIOTLB_H */
 | ||
|  | 
 | ||
|  | /* This part must be outside protection */ | ||
|  | #include <trace/define_trace.h>
 |