42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
|
/* 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),
|
||
|
|
TP_ARGS(dev, dev_addr, size),
|
||
|
|
|
||
|
|
TP_STRUCT__entry(
|
||
|
|
__string(dev_name, dev_name(dev))
|
||
|
|
__field(u64, dma_mask)
|
||
|
|
__field(dma_addr_t, dev_addr)
|
||
|
|
__field(size_t, size)
|
||
|
|
__field(bool, 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->force = is_swiotlb_force_bounce(dev);
|
||
|
|
),
|
||
|
|
|
||
|
|
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->force ? "FORCE" : "NORMAL")
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif /* _TRACE_SWIOTLB_H */
|
||
|
|
|
||
|
|
/* This part must be outside protection */
|
||
|
|
#include <trace/define_trace.h>
|