1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * RDMA Network Block Driver
4 *
5 * Copyright (c) 2022 1&1 IONOS SE. All rights reserved.
6 */
7#undef TRACE_SYSTEM
8#define TRACE_SYSTEM rnbd_srv
9
10#if !defined(_TRACE_RNBD_SRV_H) || defined(TRACE_HEADER_MULTI_READ)
11#define _TRACE_RNBD_SRV_H
12
13#include <linux/tracepoint.h>
14
15struct rnbd_srv_session;
16struct rtrs_srv_op;
17
18DECLARE_EVENT_CLASS(rnbd_srv_link_class,
19 TP_PROTO(struct rnbd_srv_session *srv),
20
21 TP_ARGS(srv),
22
23 TP_STRUCT__entry(
24 __field(int, qdepth)
25 __string(sessname, srv->sessname)
26 ),
27
28 TP_fast_assign(
29 __entry->qdepth = srv->queue_depth;
30 __assign_str(sessname);
31 ),
32
33 TP_printk("sessname: %s qdepth: %d",
34 __get_str(sessname),
35 __entry->qdepth
36 )
37);
38
39#define DEFINE_LINK_EVENT(name) \
40DEFINE_EVENT(rnbd_srv_link_class, name, \
41 TP_PROTO(struct rnbd_srv_session *srv), \
42 TP_ARGS(srv))
43
44DEFINE_LINK_EVENT(create_sess);
45DEFINE_LINK_EVENT(destroy_sess);
46
47TRACE_DEFINE_ENUM(RNBD_OP_READ);
48TRACE_DEFINE_ENUM(RNBD_OP_WRITE);
49TRACE_DEFINE_ENUM(RNBD_OP_FLUSH);
50TRACE_DEFINE_ENUM(RNBD_OP_DISCARD);
51TRACE_DEFINE_ENUM(RNBD_OP_SECURE_ERASE);
52TRACE_DEFINE_ENUM(RNBD_F_SYNC);
53TRACE_DEFINE_ENUM(RNBD_F_FUA);
54
55#define show_rnbd_rw_flags(x) \
56 __print_flags(x, "|", \
57 { RNBD_OP_READ, "READ" }, \
58 { RNBD_OP_WRITE, "WRITE" }, \
59 { RNBD_OP_FLUSH, "FLUSH" }, \
60 { RNBD_OP_DISCARD, "DISCARD" }, \
61 { RNBD_OP_SECURE_ERASE, "SECURE_ERASE" }, \
62 { RNBD_F_SYNC, "SYNC" }, \
63 { RNBD_F_FUA, "FUA" })
64
65TRACE_EVENT(process_rdma,
66 TP_PROTO(struct rnbd_srv_session *srv,
67 const struct rnbd_msg_io *msg,
68 struct rtrs_srv_op *id,
69 u32 datalen,
70 size_t usrlen),
71
72 TP_ARGS(srv, msg, id, datalen, usrlen),
73
74 TP_STRUCT__entry(
75 __string(sessname, srv->sessname)
76 __field(u8, dir)
77 __field(u8, ver)
78 __field(u32, device_id)
79 __field(u64, sector)
80 __field(u32, flags)
81 __field(u32, bi_size)
82 __field(u16, ioprio)
83 __field(u32, datalen)
84 __field(size_t, usrlen)
85 ),
86
87 TP_fast_assign(
88 __assign_str(sessname);
89 __entry->dir = id->dir;
90 __entry->ver = srv->ver;
91 __entry->device_id = le32_to_cpu(msg->device_id);
92 __entry->sector = le64_to_cpu(msg->sector);
93 __entry->bi_size = le32_to_cpu(msg->bi_size);
94 __entry->flags = le32_to_cpu(msg->rw);
95 __entry->ioprio = le16_to_cpu(msg->prio);
96 __entry->datalen = datalen;
97 __entry->usrlen = usrlen;
98 ),
99
100 TP_printk("I/O req: sess: %s, type: %s, ver: %d, devid: %u, sector: %llu, bsize: %u, flags: %s, ioprio: %d, datalen: %u, usrlen: %zu",
101 __get_str(sessname),
102 __print_symbolic(__entry->dir,
103 { READ, "READ" },
104 { WRITE, "WRITE" }),
105 __entry->ver,
106 __entry->device_id,
107 __entry->sector,
108 __entry->bi_size,
109 show_rnbd_rw_flags(__entry->flags),
110 __entry->ioprio,
111 __entry->datalen,
112 __entry->usrlen
113 )
114);
115
116TRACE_EVENT(process_msg_sess_info,
117 TP_PROTO(struct rnbd_srv_session *srv,
118 const struct rnbd_msg_sess_info *msg),
119
120 TP_ARGS(srv, msg),
121
122 TP_STRUCT__entry(
123 __field(u8, proto_ver)
124 __field(u8, clt_ver)
125 __field(u8, srv_ver)
126 __string(sessname, srv->sessname)
127 ),
128
129 TP_fast_assign(
130 __entry->proto_ver = srv->ver;
131 __entry->clt_ver = msg->ver;
132 __entry->srv_ver = RNBD_PROTO_VER_MAJOR;
133 __assign_str(sessname);
134 ),
135
136 TP_printk("Session %s using proto-ver %d (clt-ver: %d, srv-ver: %d)",
137 __get_str(sessname),
138 __entry->proto_ver,
139 __entry->clt_ver,
140 __entry->srv_ver
141 )
142);
143
144TRACE_DEFINE_ENUM(RNBD_ACCESS_RO);
145TRACE_DEFINE_ENUM(RNBD_ACCESS_RW);
146TRACE_DEFINE_ENUM(RNBD_ACCESS_MIGRATION);
147
148#define show_rnbd_access_mode(x) \
149 __print_symbolic(x, \
150 { RNBD_ACCESS_RO, "RO" }, \
151 { RNBD_ACCESS_RW, "RW" }, \
152 { RNBD_ACCESS_MIGRATION, "MIGRATION" })
153
154TRACE_EVENT(process_msg_open,
155 TP_PROTO(struct rnbd_srv_session *srv,
156 const struct rnbd_msg_open *msg),
157
158 TP_ARGS(srv, msg),
159
160 TP_STRUCT__entry(
161 __field(u8, access_mode)
162 __string(sessname, srv->sessname)
163 __string(dev_name, msg->dev_name)
164 ),
165
166 TP_fast_assign(
167 __entry->access_mode = msg->access_mode;
168 __assign_str(sessname);
169 __assign_str(dev_name);
170 ),
171
172 TP_printk("Open message received: session='%s' path='%s' access_mode=%s",
173 __get_str(sessname),
174 __get_str(dev_name),
175 show_rnbd_access_mode(__entry->access_mode)
176 )
177);
178
179TRACE_EVENT(process_msg_close,
180 TP_PROTO(struct rnbd_srv_session *srv,
181 const struct rnbd_msg_close *msg),
182
183 TP_ARGS(srv, msg),
184
185 TP_STRUCT__entry(
186 __field(u32, device_id)
187 __string(sessname, srv->sessname)
188 ),
189
190 TP_fast_assign(
191 __entry->device_id = le32_to_cpu(msg->device_id);
192 __assign_str(sessname);
193 ),
194
195 TP_printk("Close message received: session='%s' device id='%d'",
196 __get_str(sessname),
197 __entry->device_id
198 )
199);
200
201#endif /* _TRACE_RNBD_SRV_H */
202
203#undef TRACE_INCLUDE_PATH
204#define TRACE_INCLUDE_PATH .
205#define TRACE_INCLUDE_FILE rnbd-srv-trace
206#include <trace/define_trace.h>
207
208

source code of linux/drivers/block/rnbd/rnbd-srv-trace.h