Viewing file:  intel_iommu.h (2.24 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Intel IOMMU trace support
*
* Copyright (C) 2019 Intel Corporation
*
* Author: Lu Baolu <baolu.lu@linux.intel.com>
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM intel_iommu
#if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_INTEL_IOMMU_H
#include <linux/tracepoint.h>
#include <linux/intel-iommu.h>
#define MSG_MAX 256
TRACE_EVENT(qi_submit,
TP_PROTO(struct intel_iommu *iommu, u64 qw0, u64 qw1, u64 qw2, u64 qw3),
TP_ARGS(iommu, qw0, qw1, qw2, qw3),
TP_STRUCT__entry(
__field(u64, qw0)
__field(u64, qw1)
__field(u64, qw2)
__field(u64, qw3)
__string(iommu, iommu->name)
),
TP_fast_assign(
__assign_str(iommu, iommu->name);
__entry->qw0 = qw0;
__entry->qw1 = qw1;
__entry->qw2 = qw2;
__entry->qw3 = qw3;
),
TP_printk("%s %s: 0x%llx 0x%llx 0x%llx 0x%llx",
__print_symbolic(__entry->qw0 & 0xf,
{ QI_CC_TYPE, "cc_inv" },
{ QI_IOTLB_TYPE, "iotlb_inv" },
{ QI_DIOTLB_TYPE, "dev_tlb_inv" },
{ QI_IEC_TYPE, "iec_inv" },
{ QI_IWD_TYPE, "inv_wait" },
{ QI_EIOTLB_TYPE, "p_iotlb_inv" },
{ QI_PC_TYPE, "pc_inv" },
{ QI_DEIOTLB_TYPE, "p_dev_tlb_inv" },
{ QI_PGRP_RESP_TYPE, "page_grp_resp" }),
__get_str(iommu),
__entry->qw0, __entry->qw1, __entry->qw2, __entry->qw3
)
);
TRACE_EVENT(prq_report,
TP_PROTO(struct intel_iommu *iommu, struct device *dev,
u64 dw0, u64 dw1, u64 dw2, u64 dw3,
unsigned long seq),
TP_ARGS(iommu, dev, dw0, dw1, dw2, dw3, seq),
TP_STRUCT__entry(
__field(u64, dw0)
__field(u64, dw1)
__field(u64, dw2)
__field(u64, dw3)
__field(unsigned long, seq)
__string(iommu, iommu->name)
__string(dev, dev_name(dev))
__dynamic_array(char, buff, MSG_MAX)
),
TP_fast_assign(
__entry->dw0 = dw0;
__entry->dw1 = dw1;
__entry->dw2 = dw2;
__entry->dw3 = dw3;
__entry->seq = seq;
__assign_str(iommu, iommu->name);
__assign_str(dev, dev_name(dev));
),
TP_printk("%s/%s seq# %ld: %s",
__get_str(iommu), __get_str(dev), __entry->seq,
decode_prq_descriptor(__get_str(buff), MSG_MAX, __entry->dw0,
__entry->dw1, __entry->dw2, __entry->dw3)
)
);
#endif /* _TRACE_INTEL_IOMMU_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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