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_EVENT(process_rdma, 48 TP_PROTO(struct rnbd_srv_session *srv, 49 const struct rnbd_msg_io *msg, 50 struct rtrs_srv_op *id, 51 u32 datalen, 52 size_t usrlen), 53 54 TP_ARGS(srv, msg, id, datalen, usrlen), 55 56 TP_STRUCT__entry( 57 __string(sessname, srv->sessname) 58 __field(u8, dir) 59 __field(u8, ver) 60 __field(u32, device_id) 61 __field(u64, sector) 62 __field(u32, flags) 63 __field(u32, bi_size) 64 __field(u16, ioprio) 65 __field(u32, datalen) 66 __field(size_t, usrlen) 67 ), 68 69 TP_fast_assign( 70 __assign_str(sessname); 71 __entry->dir = id->dir; 72 __entry->ver = srv->ver; 73 __entry->device_id = le32_to_cpu(msg->device_id); 74 __entry->sector = le64_to_cpu(msg->sector); 75 __entry->bi_size = le32_to_cpu(msg->bi_size); 76 __entry->flags = le32_to_cpu(msg->rw); 77 __entry->ioprio = le16_to_cpu(msg->prio); 78 __entry->datalen = datalen; 79 __entry->usrlen = usrlen; 80 ), 81 82 TP_printk("I/O req: sess: %s, type: %s, ver: %d, devid: %u, sector: %llu, bsize: %u, flags: %u, ioprio: %d, datalen: %u, usrlen: %zu", 83 __get_str(sessname), 84 __print_symbolic(__entry->dir, 85 { READ, "READ" }, 86 { WRITE, "WRITE" }), 87 __entry->ver, 88 __entry->device_id, 89 __entry->sector, 90 __entry->bi_size, 91 __entry->flags, 92 __entry->ioprio, 93 __entry->datalen, 94 __entry->usrlen 95 ) 96 ); 97 98 TRACE_EVENT(process_msg_sess_info, 99 TP_PROTO(struct rnbd_srv_session *srv, 100 const struct rnbd_msg_sess_info *msg), 101 102 TP_ARGS(srv, msg), 103 104 TP_STRUCT__entry( 105 __field(u8, proto_ver) 106 __field(u8, clt_ver) 107 __field(u8, srv_ver) 108 __string(sessname, srv->sessname) 109 ), 110 111 TP_fast_assign( 112 __entry->proto_ver = srv->ver; 113 __entry->clt_ver = msg->ver; 114 __entry->srv_ver = RNBD_PROTO_VER_MAJOR; 115 __assign_str(sessname); 116 ), 117 118 TP_printk("Session %s using proto-ver %d (clt-ver: %d, srv-ver: %d)", 119 __get_str(sessname), 120 __entry->proto_ver, 121 __entry->clt_ver, 122 __entry->srv_ver 123 ) 124 ); 125 126 TRACE_DEFINE_ENUM(RNBD_ACCESS_RO); 127 TRACE_DEFINE_ENUM(RNBD_ACCESS_RW); 128 TRACE_DEFINE_ENUM(RNBD_ACCESS_MIGRATION); 129 130 #define show_rnbd_access_mode(x) \ 131 __print_symbolic(x, \ 132 { RNBD_ACCESS_RO, "RO" }, \ 133 { RNBD_ACCESS_RW, "RW" }, \ 134 { RNBD_ACCESS_MIGRATION, "MIGRATION" }) 135 136 TRACE_EVENT(process_msg_open, 137 TP_PROTO(struct rnbd_srv_session *srv, 138 const struct rnbd_msg_open *msg), 139 140 TP_ARGS(srv, msg), 141 142 TP_STRUCT__entry( 143 __field(u8, access_mode) 144 __string(sessname, srv->sessname) 145 __string(dev_name, msg->dev_name) 146 ), 147 148 TP_fast_assign( 149 __entry->access_mode = msg->access_mode; 150 __assign_str(sessname); 151 __assign_str(dev_name); 152 ), 153 154 TP_printk("Open message received: session='%s' path='%s' access_mode=%s", 155 __get_str(sessname), 156 __get_str(dev_name), 157 show_rnbd_access_mode(__entry->access_mode) 158 ) 159 ); 160 161 TRACE_EVENT(process_msg_close, 162 TP_PROTO(struct rnbd_srv_session *srv, 163 const struct rnbd_msg_close *msg), 164 165 TP_ARGS(srv, msg), 166 167 TP_STRUCT__entry( 168 __field(u32, device_id) 169 __string(sessname, srv->sessname) 170 ), 171 172 TP_fast_assign( 173 __entry->device_id = le32_to_cpu(msg->device_id); 174 __assign_str(sessname); 175 ), 176 177 TP_printk("Close message received: session='%s' device id='%d'", 178 __get_str(sessname), 179 __entry->device_id 180 ) 181 ); 182 183 #endif /* _TRACE_RNBD_SRV_H */ 184 185 #undef TRACE_INCLUDE_PATH 186 #define TRACE_INCLUDE_PATH . 187 #define TRACE_INCLUDE_FILE rnbd-srv-trace 188 #include <trace/define_trace.h> 189 190