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1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM 9p4 5#if !defined(_TRACE_9P_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_9P_H7 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 EM89#undef EMe90#define EM(a, b) TRACE_DEFINE_ENUM(a);91#define EMe(a, b) TRACE_DEFINE_ENUM(a);92 93P9_MSG_T94P9_FID_REFTYPE95 96/* And also use EM/EMe to define helper enums -- once */97#ifndef __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE98#define __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE99#undef EM100#undef EMe101#define EM(a, b) a,102#define EMe(a, b) a103 104enum p9_fid_reftype {105 P9_FID_REFTYPE106} __mode(byte);107 108#endif109 110/*111 * Now redefine the EM() and EMe() macros to map the enums to the strings112 * that will be printed in the output.113 */114#undef EM115#undef EMe116#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 124TRACE_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 146TRACE_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 32172TRACE_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 199TRACE_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