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, srv->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, srv->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, srv->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, srv->sessname);
169		__assign_str(dev_name, msg->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, srv->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