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 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), 12 TP_ARGS(dev, dev_addr, size), 13 14 TP_STRUCT__entry( 15 __string(dev_name, dev_name(dev)) 16 __field(u64, dma_mask) 17 __field(dma_addr_t, dev_addr) 18 __field(size_t, size) 19 __field(bool, force) 20 ), 21 22 TP_fast_assign( 23 __assign_str(dev_name, dev_name(dev)); 24 __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0); 25 __entry->dev_addr = dev_addr; 26 __entry->size = size; 27 __entry->force = is_swiotlb_force_bounce(dev); 28 ), 29 30 TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx size=%zu %s", 31 __get_str(dev_name), 32 __entry->dma_mask, 33 (unsigned long long)__entry->dev_addr, 34 __entry->size, 35 __entry->force ? "FORCE" : "NORMAL") 36 ); 37 38 #endif /* _TRACE_SWIOTLB_H */ 39 40 /* This part must be outside protection */ 41 #include <trace/define_trace.h> 42