1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM 9p |
4 | |
5 | #if !defined(_TRACE_9P_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define _TRACE_9P_H |
7 | |
8 | #include <linux/tracepoint.h> |
9 | |
10 | #define P9_MSG_T \ |
11 | EM( P9_TLERROR, "P9_TLERROR" ) \ |
12 | EM( P9_RLERROR, "P9_RLERROR" ) \ |
13 | EM( P9_TSTATFS, "P9_TSTATFS" ) \ |
14 | EM( P9_RSTATFS, "P9_RSTATFS" ) \ |
15 | EM( P9_TLOPEN, "P9_TLOPEN" ) \ |
16 | EM( P9_RLOPEN, "P9_RLOPEN" ) \ |
17 | EM( P9_TLCREATE, "P9_TLCREATE" ) \ |
18 | EM( P9_RLCREATE, "P9_RLCREATE" ) \ |
19 | EM( P9_TSYMLINK, "P9_TSYMLINK" ) \ |
20 | EM( P9_RSYMLINK, "P9_RSYMLINK" ) \ |
21 | EM( P9_TMKNOD, "P9_TMKNOD" ) \ |
22 | EM( P9_RMKNOD, "P9_RMKNOD" ) \ |
23 | EM( P9_TRENAME, "P9_TRENAME" ) \ |
24 | EM( P9_RRENAME, "P9_RRENAME" ) \ |
25 | EM( P9_TREADLINK, "P9_TREADLINK" ) \ |
26 | EM( P9_RREADLINK, "P9_RREADLINK" ) \ |
27 | EM( P9_TGETATTR, "P9_TGETATTR" ) \ |
28 | EM( P9_RGETATTR, "P9_RGETATTR" ) \ |
29 | EM( P9_TSETATTR, "P9_TSETATTR" ) \ |
30 | EM( P9_RSETATTR, "P9_RSETATTR" ) \ |
31 | EM( P9_TXATTRWALK, "P9_TXATTRWALK" ) \ |
32 | EM( P9_RXATTRWALK, "P9_RXATTRWALK" ) \ |
33 | EM( P9_TXATTRCREATE, "P9_TXATTRCREATE" ) \ |
34 | EM( P9_RXATTRCREATE, "P9_RXATTRCREATE" ) \ |
35 | EM( P9_TREADDIR, "P9_TREADDIR" ) \ |
36 | EM( P9_RREADDIR, "P9_RREADDIR" ) \ |
37 | EM( P9_TFSYNC, "P9_TFSYNC" ) \ |
38 | EM( P9_RFSYNC, "P9_RFSYNC" ) \ |
39 | EM( P9_TLOCK, "P9_TLOCK" ) \ |
40 | EM( P9_RLOCK, "P9_RLOCK" ) \ |
41 | EM( P9_TGETLOCK, "P9_TGETLOCK" ) \ |
42 | EM( P9_RGETLOCK, "P9_RGETLOCK" ) \ |
43 | EM( P9_TLINK, "P9_TLINK" ) \ |
44 | EM( P9_RLINK, "P9_RLINK" ) \ |
45 | EM( P9_TMKDIR, "P9_TMKDIR" ) \ |
46 | EM( P9_RMKDIR, "P9_RMKDIR" ) \ |
47 | EM( P9_TRENAMEAT, "P9_TRENAMEAT" ) \ |
48 | EM( P9_RRENAMEAT, "P9_RRENAMEAT" ) \ |
49 | EM( P9_TUNLINKAT, "P9_TUNLINKAT" ) \ |
50 | EM( P9_RUNLINKAT, "P9_RUNLINKAT" ) \ |
51 | EM( P9_TVERSION, "P9_TVERSION" ) \ |
52 | EM( P9_RVERSION, "P9_RVERSION" ) \ |
53 | EM( P9_TAUTH, "P9_TAUTH" ) \ |
54 | EM( P9_RAUTH, "P9_RAUTH" ) \ |
55 | EM( P9_TATTACH, "P9_TATTACH" ) \ |
56 | EM( P9_RATTACH, "P9_RATTACH" ) \ |
57 | EM( P9_TERROR, "P9_TERROR" ) \ |
58 | EM( P9_RERROR, "P9_RERROR" ) \ |
59 | EM( P9_TFLUSH, "P9_TFLUSH" ) \ |
60 | EM( P9_RFLUSH, "P9_RFLUSH" ) \ |
61 | EM( P9_TWALK, "P9_TWALK" ) \ |
62 | EM( P9_RWALK, "P9_RWALK" ) \ |
63 | EM( P9_TOPEN, "P9_TOPEN" ) \ |
64 | EM( P9_ROPEN, "P9_ROPEN" ) \ |
65 | EM( P9_TCREATE, "P9_TCREATE" ) \ |
66 | EM( P9_RCREATE, "P9_RCREATE" ) \ |
67 | EM( P9_TREAD, "P9_TREAD" ) \ |
68 | EM( P9_RREAD, "P9_RREAD" ) \ |
69 | EM( P9_TWRITE, "P9_TWRITE" ) \ |
70 | EM( P9_RWRITE, "P9_RWRITE" ) \ |
71 | EM( P9_TCLUNK, "P9_TCLUNK" ) \ |
72 | EM( P9_RCLUNK, "P9_RCLUNK" ) \ |
73 | EM( P9_TREMOVE, "P9_TREMOVE" ) \ |
74 | EM( P9_RREMOVE, "P9_RREMOVE" ) \ |
75 | EM( P9_TSTAT, "P9_TSTAT" ) \ |
76 | EM( P9_RSTAT, "P9_RSTAT" ) \ |
77 | EM( P9_TWSTAT, "P9_TWSTAT" ) \ |
78 | EMe(P9_RWSTAT, "P9_RWSTAT" ) |
79 | |
80 | |
81 | #define P9_FID_REFTYPE \ |
82 | EM( P9_FID_REF_CREATE, "create " ) \ |
83 | EM( P9_FID_REF_GET, "get " ) \ |
84 | EM( P9_FID_REF_PUT, "put " ) \ |
85 | EMe(P9_FID_REF_DESTROY, "destroy" ) |
86 | |
87 | /* Define EM() to export the enums to userspace via TRACE_DEFINE_ENUM() */ |
88 | #undef EM |
89 | #undef EMe |
90 | #define EM(a, b) TRACE_DEFINE_ENUM(a); |
91 | #define EMe(a, b) TRACE_DEFINE_ENUM(a); |
92 | |
93 | P9_MSG_T |
94 | P9_FID_REFTYPE |
95 | |
96 | /* And also use EM/EMe to define helper enums -- once */ |
97 | #ifndef __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE |
98 | #define __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE |
99 | #undef EM |
100 | #undef EMe |
101 | #define EM(a, b) a, |
102 | #define EMe(a, b) a |
103 | |
104 | enum p9_fid_reftype { |
105 | P9_FID_REFTYPE |
106 | } __mode(byte); |
107 | |
108 | #endif |
109 | |
110 | /* |
111 | * Now redefine the EM() and EMe() macros to map the enums to the strings |
112 | * that will be printed in the output. |
113 | */ |
114 | #undef EM |
115 | #undef EMe |
116 | #define EM(a, b) { a, b }, |
117 | #define EMe(a, b) { a, b } |
118 | |
119 | #define show_9p_op(type) \ |
120 | __print_symbolic(type, P9_MSG_T) |
121 | #define show_9p_fid_reftype(type) \ |
122 | __print_symbolic(type, P9_FID_REFTYPE) |
123 | |
124 | TRACE_EVENT(9p_client_req, |
125 | TP_PROTO(struct p9_client *clnt, int8_t type, int tag), |
126 | |
127 | TP_ARGS(clnt, type, tag), |
128 | |
129 | TP_STRUCT__entry( |
130 | __field( void *, clnt ) |
131 | __field( __u8, type ) |
132 | __field( __u32, tag ) |
133 | ), |
134 | |
135 | TP_fast_assign( |
136 | __entry->clnt = clnt; |
137 | __entry->type = type; |
138 | __entry->tag = tag; |
139 | ), |
140 | |
141 | TP_printk("client %lu request %s tag %d" , |
142 | (long)__entry->clnt, show_9p_op(__entry->type), |
143 | __entry->tag) |
144 | ); |
145 | |
146 | TRACE_EVENT(9p_client_res, |
147 | TP_PROTO(struct p9_client *clnt, int8_t type, int tag, int err), |
148 | |
149 | TP_ARGS(clnt, type, tag, err), |
150 | |
151 | TP_STRUCT__entry( |
152 | __field( void *, clnt ) |
153 | __field( __u8, type ) |
154 | __field( __u32, tag ) |
155 | __field( __u32, err ) |
156 | ), |
157 | |
158 | TP_fast_assign( |
159 | __entry->clnt = clnt; |
160 | __entry->type = type; |
161 | __entry->tag = tag; |
162 | __entry->err = err; |
163 | ), |
164 | |
165 | TP_printk("client %lu response %s tag %d err %d" , |
166 | (long)__entry->clnt, show_9p_op(__entry->type), |
167 | __entry->tag, __entry->err) |
168 | ); |
169 | |
170 | /* dump 32 bytes of protocol data */ |
171 | #define P9_PROTO_DUMP_SZ 32 |
172 | TRACE_EVENT(9p_protocol_dump, |
173 | TP_PROTO(struct p9_client *clnt, struct p9_fcall *pdu), |
174 | |
175 | TP_ARGS(clnt, pdu), |
176 | |
177 | TP_STRUCT__entry( |
178 | __field( void *, clnt ) |
179 | __field( __u8, type ) |
180 | __field( __u16, tag ) |
181 | __array( unsigned char, line, P9_PROTO_DUMP_SZ ) |
182 | ), |
183 | |
184 | TP_fast_assign( |
185 | __entry->clnt = clnt; |
186 | __entry->type = pdu->id; |
187 | __entry->tag = pdu->tag; |
188 | memcpy(__entry->line, pdu->sdata, P9_PROTO_DUMP_SZ); |
189 | ), |
190 | TP_printk("clnt %lu %s(tag = %d)\n%.3x: %16ph\n%.3x: %16ph\n" , |
191 | (unsigned long)__entry->clnt, show_9p_op(__entry->type), |
192 | __entry->tag, 0, __entry->line, 16, __entry->line + 16) |
193 | ); |
194 | |
195 | |
196 | TRACE_EVENT(9p_fid_ref, |
197 | TP_PROTO(struct p9_fid *fid, __u8 type), |
198 | |
199 | TP_ARGS(fid, type), |
200 | |
201 | TP_STRUCT__entry( |
202 | __field( int, fid ) |
203 | __field( int, refcount ) |
204 | __field( __u8, type ) |
205 | ), |
206 | |
207 | TP_fast_assign( |
208 | __entry->fid = fid->fid; |
209 | __entry->refcount = refcount_read(&fid->count); |
210 | __entry->type = type; |
211 | ), |
212 | |
213 | TP_printk("%s fid %d, refcount %d" , |
214 | show_9p_fid_reftype(__entry->type), |
215 | __entry->fid, __entry->refcount) |
216 | ); |
217 | |
218 | |
219 | #endif /* _TRACE_9P_H */ |
220 | |
221 | /* This part must be outside protection */ |
222 | #include <trace/define_trace.h> |
223 | |