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 15 struct rnbd_srv_session; 16 struct rtrs_srv_op; 17 18 DECLARE_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); 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) \ 40 DEFINE_EVENT(rnbd_srv_link_class, name, \ 41 TP_PROTO(struct rnbd_srv_session *srv), \ 42 TP_ARGS(srv)) 43 44 DEFINE_LINK_EVENT(create_sess); 45 DEFINE_LINK_EVENT(destroy_sess); 46 47 TRACE_DEFINE_ENUM(RNBD_OP_READ); 48 TRACE_DEFINE_ENUM(RNBD_OP_WRITE); 49 TRACE_DEFINE_ENUM(RNBD_OP_FLUSH); 50 TRACE_DEFINE_ENUM(RNBD_OP_DISCARD); 51 TRACE_DEFINE_ENUM(RNBD_OP_SECURE_ERASE); 52 TRACE_DEFINE_ENUM(RNBD_F_SYNC); 53 TRACE_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 65 TRACE_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); 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 ); 115 116 TRACE_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); 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 ); 143 144 TRACE_DEFINE_ENUM(RNBD_ACCESS_RO); 145 TRACE_DEFINE_ENUM(RNBD_ACCESS_RW); 146 TRACE_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" }) 153 154 TRACE_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); 169 __assign_str(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 ); 178 179 TRACE_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); 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> 207 208