diff options
Diffstat (limited to '')
| -rw-r--r-- | include/trace/events/swiotlb.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/trace/events/swiotlb.h b/include/trace/events/swiotlb.h new file mode 100644 index 000000000..705be43b7 --- /dev/null +++ b/include/trace/events/swiotlb.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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, + enum swiotlb_force 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( enum swiotlb_force, 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, + __print_symbolic(__entry->swiotlb_force, + { SWIOTLB_NORMAL, "NORMAL" }, + { SWIOTLB_FORCE, "FORCE" }, + { SWIOTLB_NO_FORCE, "NO_FORCE" })) +); + +#endif /* _TRACE_SWIOTLB_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |