| 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); |
| 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 | |