1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Intel IOMMU trace support
 4 *
 5 * Copyright (C) 2019 Intel Corporation
 6 *
 7 * Author: Lu Baolu <baolu.lu@linux.intel.com>
 8 */
 9#undef TRACE_SYSTEM
10#define TRACE_SYSTEM intel_iommu
11
12#if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
13#define _TRACE_INTEL_IOMMU_H
14
15#include <linux/tracepoint.h>
16#include <linux/intel-iommu.h>
17
18#define MSG_MAX		256
19
20TRACE_EVENT(qi_submit,
21	TP_PROTO(struct intel_iommu *iommu, u64 qw0, u64 qw1, u64 qw2, u64 qw3),
22
23	TP_ARGS(iommu, qw0, qw1, qw2, qw3),
24
25	TP_STRUCT__entry(
26		__field(u64, qw0)
27		__field(u64, qw1)
28		__field(u64, qw2)
29		__field(u64, qw3)
30		__string(iommu, iommu->name)
31	),
32
33	TP_fast_assign(
34		__assign_str(iommu, iommu->name);
35		__entry->qw0 = qw0;
36		__entry->qw1 = qw1;
37		__entry->qw2 = qw2;
38		__entry->qw3 = qw3;
39	),
40
41	TP_printk("%s %s: 0x%llx 0x%llx 0x%llx 0x%llx",
42		  __print_symbolic(__entry->qw0 & 0xf,
43				   { QI_CC_TYPE,	"cc_inv" },
44				   { QI_IOTLB_TYPE,	"iotlb_inv" },
45				   { QI_DIOTLB_TYPE,	"dev_tlb_inv" },
46				   { QI_IEC_TYPE,	"iec_inv" },
47				   { QI_IWD_TYPE,	"inv_wait" },
48				   { QI_EIOTLB_TYPE,	"p_iotlb_inv" },
49				   { QI_PC_TYPE,	"pc_inv" },
50				   { QI_DEIOTLB_TYPE,	"p_dev_tlb_inv" },
51				   { QI_PGRP_RESP_TYPE,	"page_grp_resp" }),
52		__get_str(iommu),
53		__entry->qw0, __entry->qw1, __entry->qw2, __entry->qw3
54	)
55);
56
57TRACE_EVENT(prq_report,
58	TP_PROTO(struct intel_iommu *iommu, struct device *dev,
59		 u64 dw0, u64 dw1, u64 dw2, u64 dw3,
60		 unsigned long seq),
61
62	TP_ARGS(iommu, dev, dw0, dw1, dw2, dw3, seq),
63
64	TP_STRUCT__entry(
65		__field(u64, dw0)
66		__field(u64, dw1)
67		__field(u64, dw2)
68		__field(u64, dw3)
69		__field(unsigned long, seq)
70		__string(iommu, iommu->name)
71		__string(dev, dev_name(dev))
72		__dynamic_array(char, buff, MSG_MAX)
73	),
74
75	TP_fast_assign(
76		__entry->dw0 = dw0;
77		__entry->dw1 = dw1;
78		__entry->dw2 = dw2;
79		__entry->dw3 = dw3;
80		__entry->seq = seq;
81		__assign_str(iommu, iommu->name);
82		__assign_str(dev, dev_name(dev));
83	),
84
85	TP_printk("%s/%s seq# %ld: %s",
86		__get_str(iommu), __get_str(dev), __entry->seq,
87		decode_prq_descriptor(__get_str(buff), MSG_MAX, __entry->dw0,
88				      __entry->dw1, __entry->dw2, __entry->dw3)
89	)
90);
91#endif /* _TRACE_INTEL_IOMMU_H */
92
93/* This part must be outside protection */
94#include <trace/define_trace.h>