1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM swiotlb 4 5 #if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_SWIOTLB_H 7 8 #include <linux/tracepoint.h> 9 10 TRACE_EVENT(swiotlb_bounced, 11 12 TP_PROTO(struct device *dev, 13 dma_addr_t dev_addr, 14 size_t size, 15 enum swiotlb_force swiotlb_force), 16 17 TP_ARGS(dev, dev_addr, size, swiotlb_force), 18 19 TP_STRUCT__entry( 20 __string( dev_name, dev_name(dev) ) 21 __field( u64, dma_mask ) 22 __field( dma_addr_t, dev_addr ) 23 __field( size_t, size ) 24 __field( enum swiotlb_force, swiotlb_force ) 25 ), 26 27 TP_fast_assign( 28 __assign_str(dev_name, dev_name(dev)); 29 __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0); 30 __entry->dev_addr = dev_addr; 31 __entry->size = size; 32 __entry->swiotlb_force = swiotlb_force; 33 ), 34 35 TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx " 36 "size=%zu %s", 37 __get_str(dev_name), 38 __entry->dma_mask, 39 (unsigned long long)__entry->dev_addr, 40 __entry->size, 41 __print_symbolic(__entry->swiotlb_force, 42 { SWIOTLB_NORMAL, "NORMAL" }, 43 { SWIOTLB_FORCE, "FORCE" }, 44 { SWIOTLB_NO_FORCE, "NO_FORCE" })) 45 ); 46 47 #endif /* _TRACE_SWIOTLB_H */ 48 49 /* This part must be outside protection */ 50 #include <trace/define_trace.h> 51