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 __dynamic_array(unsigned char, line, 182 min_t(size_t, pdu->capacity, P9_PROTO_DUMP_SZ)) 183 ), 184 185 TP_fast_assign( 186 __entry->clnt = clnt; 187 __entry->type = pdu->id; 188 __entry->tag = pdu->tag; 189 memcpy(__get_dynamic_array(line), pdu->sdata, 190 __get_dynamic_array_len(line)); 191 ), 192 TP_printk("clnt %lu %s(tag = %d)\n%*ph\n", 193 (unsigned long)__entry->clnt, show_9p_op(__entry->type), 194 __entry->tag, __get_dynamic_array_len(line), 195 __get_dynamic_array(line)) 196 ); 197 198 199 TRACE_EVENT(9p_fid_ref, 200 TP_PROTO(struct p9_fid *fid, __u8 type), 201 202 TP_ARGS(fid, type), 203 204 TP_STRUCT__entry( 205 __field( int, fid ) 206 __field( int, refcount ) 207 __field( __u8, type ) 208 ), 209 210 TP_fast_assign( 211 __entry->fid = fid->fid; 212 __entry->refcount = refcount_read(&fid->count); 213 __entry->type = type; 214 ), 215 216 TP_printk("%s fid %d, refcount %d", 217 show_9p_fid_reftype(__entry->type), 218 __entry->fid, __entry->refcount) 219 ); 220 221 222 #endif /* _TRACE_9P_H */ 223 224 /* This part must be outside protection */ 225 #include <trace/define_trace.h> 226