1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM lockd
4
5#if !defined(_TRACE_LOCKD_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_LOCKD_H
7
8#include <linux/tracepoint.h>
9#include <linux/crc32.h>
10#include <linux/nfs.h>
11#include <linux/lockd/lockd.h>
12
13#ifdef CONFIG_LOCKD_V4
14#define NLM_STATUS_LIST					\
15	nlm_status_code(LCK_GRANTED)			\
16	nlm_status_code(LCK_DENIED)			\
17	nlm_status_code(LCK_DENIED_NOLOCKS)		\
18	nlm_status_code(LCK_BLOCKED)			\
19	nlm_status_code(LCK_DENIED_GRACE_PERIOD)	\
20	nlm_status_code(DEADLCK)			\
21	nlm_status_code(ROFS)				\
22	nlm_status_code(STALE_FH)			\
23	nlm_status_code(FBIG)				\
24	nlm_status_code_end(FAILED)
25#else
26#define NLM_STATUS_LIST					\
27	nlm_status_code(LCK_GRANTED)			\
28	nlm_status_code(LCK_DENIED)			\
29	nlm_status_code(LCK_DENIED_NOLOCKS)		\
30	nlm_status_code(LCK_BLOCKED)			\
31	nlm_status_code_end(LCK_DENIED_GRACE_PERIOD)
32#endif
33
34#undef nlm_status_code
35#undef nlm_status_code_end
36#define nlm_status_code(x)	TRACE_DEFINE_ENUM(NLM_##x);
37#define nlm_status_code_end(x)	TRACE_DEFINE_ENUM(NLM_##x);
38
39NLM_STATUS_LIST
40
41#undef nlm_status_code
42#undef nlm_status_code_end
43#define nlm_status_code(x)	{ NLM_##x, #x },
44#define nlm_status_code_end(x)	{ NLM_##x, #x }
45
46#define show_nlm_status(x)	__print_symbolic(x, NLM_STATUS_LIST)
47
48DECLARE_EVENT_CLASS(nlmclnt_lock_event,
49		TP_PROTO(
50			const struct nlm_lock *lock,
51			const struct sockaddr *addr,
52			unsigned int addrlen,
53			__be32 status
54		),
55
56		TP_ARGS(lock, addr, addrlen, status),
57
58		TP_STRUCT__entry(
59			__field(u32, oh)
60			__field(u32, svid)
61			__field(u32, fh)
62			__field(unsigned long, status)
63			__field(u64, start)
64			__field(u64, len)
65			__sockaddr(addr, addrlen)
66		),
67
68		TP_fast_assign(
69			__entry->oh = ~crc32_le(0xffffffff, lock->oh.data, lock->oh.len);
70			__entry->svid = lock->svid;
71			__entry->fh = nfs_fhandle_hash(&lock->fh);
72			__entry->start = lock->lock_start;
73			__entry->len = lock->lock_len;
74			__entry->status = be32_to_cpu(status);
75			__assign_sockaddr(addr, addr, addrlen);
76		),
77
78		TP_printk(
79			"addr=%pISpc oh=0x%08x svid=0x%08x fh=0x%08x start=%llu len=%llu status=%s",
80			__get_sockaddr(addr), __entry->oh, __entry->svid,
81			__entry->fh, __entry->start, __entry->len,
82			show_nlm_status(__entry->status)
83		)
84);
85
86#define DEFINE_NLMCLNT_EVENT(name)				\
87	DEFINE_EVENT(nlmclnt_lock_event, name,			\
88			TP_PROTO(				\
89				const struct nlm_lock *lock,	\
90				const struct sockaddr *addr,	\
91				unsigned int addrlen,		\
92				__be32	status			\
93			),					\
94			TP_ARGS(lock, addr, addrlen, status))
95
96DEFINE_NLMCLNT_EVENT(nlmclnt_test);
97DEFINE_NLMCLNT_EVENT(nlmclnt_lock);
98DEFINE_NLMCLNT_EVENT(nlmclnt_unlock);
99DEFINE_NLMCLNT_EVENT(nlmclnt_grant);
100
101#endif /* _TRACE_LOCKD_H */
102
103#undef TRACE_INCLUDE_PATH
104#define TRACE_INCLUDE_PATH .
105#define TRACE_INCLUDE_FILE trace
106#include <trace/define_trace.h>
107