1 /*
2  * Copyright(c) 2016 Intel Corporation.
3  *
4  * This file is provided under a dual BSD/GPLv2 license.  When using or
5  * redistributing this file, you may do so under either license.
6  *
7  * GPL LICENSE SUMMARY
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of version 2 of the GNU General Public License as
11  * published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * BSD LICENSE
19  *
20  * Redistribution and use in source and binary forms, with or without
21  * modification, are permitted provided that the following conditions
22  * are met:
23  *
24  *  - Redistributions of source code must retain the above copyright
25  *    notice, this list of conditions and the following disclaimer.
26  *  - Redistributions in binary form must reproduce the above copyright
27  *    notice, this list of conditions and the following disclaimer in
28  *    the documentation and/or other materials provided with the
29  *    distribution.
30  *  - Neither the name of Intel Corporation nor the names of its
31  *    contributors may be used to endorse or promote products derived
32  *    from this software without specific prior written permission.
33  *
34  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
37  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45  *
46  */
47 
48 #undef TRACE_SYSTEM_VAR
49 #define TRACE_SYSTEM_VAR rdmavt
50 
51 #if !defined(__RDMAVT_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
52 #define __RDMAVT_TRACE_H
53 
54 #include <linux/tracepoint.h>
55 #include <linux/trace_seq.h>
56 
57 #include <rdma/ib_verbs.h>
58 #include <rdma/rdma_vt.h>
59 
60 #define RDI_DEV_ENTRY(rdi)   __string(dev, rdi->driver_f.get_card_name(rdi))
61 #define RDI_DEV_ASSIGN(rdi)  __assign_str(dev, rdi->driver_f.get_card_name(rdi))
62 
63 #undef TRACE_SYSTEM
64 #define TRACE_SYSTEM rdmavt
65 
66 TRACE_EVENT(rvt_dbg,
67 	TP_PROTO(struct rvt_dev_info *rdi,
68 		 const char *msg),
69 	TP_ARGS(rdi, msg),
70 	TP_STRUCT__entry(
71 		RDI_DEV_ENTRY(rdi)
72 		__string(msg, msg)
73 	),
74 	TP_fast_assign(
75 		RDI_DEV_ASSIGN(rdi);
76 		__assign_str(msg, msg);
77 	),
78 	TP_printk("[%s]: %s", __get_str(dev), __get_str(msg))
79 );
80 
81 #undef TRACE_SYSTEM
82 #define TRACE_SYSTEM rvt_qphash
83 DECLARE_EVENT_CLASS(rvt_qphash_template,
84 	TP_PROTO(struct rvt_qp *qp, u32 bucket),
85 	TP_ARGS(qp, bucket),
86 	TP_STRUCT__entry(
87 		RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device))
88 		__field(u32, qpn)
89 		__field(u32, bucket)
90 	),
91 	TP_fast_assign(
92 		RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device))
93 		__entry->qpn = qp->ibqp.qp_num;
94 		__entry->bucket = bucket;
95 	),
96 	TP_printk(
97 		"[%s] qpn 0x%x bucket %u",
98 		__get_str(dev),
99 		__entry->qpn,
100 		__entry->bucket
101 	)
102 );
103 
104 DEFINE_EVENT(rvt_qphash_template, rvt_qpinsert,
105 	TP_PROTO(struct rvt_qp *qp, u32 bucket),
106 	TP_ARGS(qp, bucket));
107 
108 DEFINE_EVENT(rvt_qphash_template, rvt_qpremove,
109 	TP_PROTO(struct rvt_qp *qp, u32 bucket),
110 	TP_ARGS(qp, bucket));
111 
112 #undef TRACE_SYSTEM
113 #define TRACE_SYSTEM rvt_tx
114 
115 #define wr_opcode_name(opcode) { IB_WR_##opcode, #opcode  }
116 #define show_wr_opcode(opcode)                             \
117 __print_symbolic(opcode,                                   \
118 	wr_opcode_name(RDMA_WRITE),                        \
119 	wr_opcode_name(RDMA_WRITE_WITH_IMM),               \
120 	wr_opcode_name(SEND),                              \
121 	wr_opcode_name(SEND_WITH_IMM),                     \
122 	wr_opcode_name(RDMA_READ),                         \
123 	wr_opcode_name(ATOMIC_CMP_AND_SWP),                \
124 	wr_opcode_name(ATOMIC_FETCH_AND_ADD),              \
125 	wr_opcode_name(LSO),                               \
126 	wr_opcode_name(SEND_WITH_INV),                     \
127 	wr_opcode_name(RDMA_READ_WITH_INV),                \
128 	wr_opcode_name(LOCAL_INV),                         \
129 	wr_opcode_name(MASKED_ATOMIC_CMP_AND_SWP),         \
130 	wr_opcode_name(MASKED_ATOMIC_FETCH_AND_ADD))
131 
132 #define POS_PRN \
133 "[%s] wr_id %llx qpn %x psn 0x%x lpsn 0x%x length %u opcode 0x%.2x,%s size %u avail %u head %u last %u"
134 
135 TRACE_EVENT(
136 	rvt_post_one_wr,
137 	TP_PROTO(struct rvt_qp *qp, struct rvt_swqe *wqe),
138 	TP_ARGS(qp, wqe),
139 	TP_STRUCT__entry(
140 		RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device))
141 		__field(u64, wr_id)
142 		__field(u32, qpn)
143 		__field(u32, psn)
144 		__field(u32, lpsn)
145 		__field(u32, length)
146 		__field(u32, opcode)
147 		__field(u32, size)
148 		__field(u32, avail)
149 		__field(u32, head)
150 		__field(u32, last)
151 	),
152 	TP_fast_assign(
153 		RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device))
154 		__entry->wr_id = wqe->wr.wr_id;
155 		__entry->qpn = qp->ibqp.qp_num;
156 		__entry->psn = wqe->psn;
157 		__entry->lpsn = wqe->lpsn;
158 		__entry->length = wqe->length;
159 		__entry->opcode = wqe->wr.opcode;
160 		__entry->size = qp->s_size;
161 		__entry->avail = qp->s_avail;
162 		__entry->head = qp->s_head;
163 		__entry->last = qp->s_last;
164 	),
165 	TP_printk(
166 		POS_PRN,
167 		__get_str(dev),
168 		__entry->wr_id,
169 		__entry->qpn,
170 		__entry->psn,
171 		__entry->lpsn,
172 		__entry->length,
173 		__entry->opcode, show_wr_opcode(__entry->opcode),
174 		__entry->size,
175 		__entry->avail,
176 		__entry->head,
177 		__entry->last
178 	)
179 );
180 
181 #endif /* __RDMAVT_TRACE_H */
182 
183 #undef TRACE_INCLUDE_PATH
184 #undef TRACE_INCLUDE_FILE
185 #define TRACE_INCLUDE_PATH .
186 #define TRACE_INCLUDE_FILE trace
187 #include <trace/define_trace.h>
188