mirror of https://gitee.com/openkylin/linux.git
51 lines
1.2 KiB
C
51 lines
1.2 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,
|
|
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>
|