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Diffstat (limited to 'drivers/block/rnbd/rnbd-srv-trace.h')
-rw-r--r--drivers/block/rnbd/rnbd-srv-trace.h207
1 files changed, 207 insertions, 0 deletions
diff --git a/drivers/block/rnbd/rnbd-srv-trace.h b/drivers/block/rnbd/rnbd-srv-trace.h
new file mode 100644
index 000000000000..8dedf73bdd28
--- /dev/null
+++ b/drivers/block/rnbd/rnbd-srv-trace.h
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * RDMA Network Block Driver
+ *
+ * Copyright (c) 2022 1&1 IONOS SE. All rights reserved.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM rnbd_srv
+
+#if !defined(_TRACE_RNBD_SRV_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_RNBD_SRV_H
+
+#include <linux/tracepoint.h>
+
+struct rnbd_srv_session;
+struct rtrs_srv_op;
+
+DECLARE_EVENT_CLASS(rnbd_srv_link_class,
+ TP_PROTO(struct rnbd_srv_session *srv),
+
+ TP_ARGS(srv),
+
+ TP_STRUCT__entry(
+ __field(int, qdepth)
+ __string(sessname, srv->sessname)
+ ),
+
+ TP_fast_assign(
+ __entry->qdepth = srv->queue_depth;
+ __assign_str(sessname, srv->sessname);
+ ),
+
+ TP_printk("sessname: %s qdepth: %d",
+ __get_str(sessname),
+ __entry->qdepth
+ )
+);
+
+#define DEFINE_LINK_EVENT(name) \
+DEFINE_EVENT(rnbd_srv_link_class, name, \
+ TP_PROTO(struct rnbd_srv_session *srv), \
+ TP_ARGS(srv))
+
+DEFINE_LINK_EVENT(create_sess);
+DEFINE_LINK_EVENT(destroy_sess);
+
+TRACE_DEFINE_ENUM(RNBD_OP_READ);
+TRACE_DEFINE_ENUM(RNBD_OP_WRITE);
+TRACE_DEFINE_ENUM(RNBD_OP_FLUSH);
+TRACE_DEFINE_ENUM(RNBD_OP_DISCARD);
+TRACE_DEFINE_ENUM(RNBD_OP_SECURE_ERASE);
+TRACE_DEFINE_ENUM(RNBD_F_SYNC);
+TRACE_DEFINE_ENUM(RNBD_F_FUA);
+
+#define show_rnbd_rw_flags(x) \
+ __print_flags(x, "|", \
+ { RNBD_OP_READ, "READ" }, \
+ { RNBD_OP_WRITE, "WRITE" }, \
+ { RNBD_OP_FLUSH, "FLUSH" }, \
+ { RNBD_OP_DISCARD, "DISCARD" }, \
+ { RNBD_OP_SECURE_ERASE, "SECURE_ERASE" }, \
+ { RNBD_F_SYNC, "SYNC" }, \
+ { RNBD_F_FUA, "FUA" })
+
+TRACE_EVENT(process_rdma,
+ TP_PROTO(struct rnbd_srv_session *srv,
+ const struct rnbd_msg_io *msg,
+ struct rtrs_srv_op *id,
+ u32 datalen,
+ size_t usrlen),
+
+ TP_ARGS(srv, msg, id, datalen, usrlen),
+
+ TP_STRUCT__entry(
+ __string(sessname, srv->sessname)
+ __field(u8, dir)
+ __field(u8, ver)
+ __field(u32, device_id)
+ __field(u64, sector)
+ __field(u32, flags)
+ __field(u32, bi_size)
+ __field(u16, ioprio)
+ __field(u32, datalen)
+ __field(size_t, usrlen)
+ ),
+
+ TP_fast_assign(
+ __assign_str(sessname, srv->sessname);
+ __entry->dir = id->dir;
+ __entry->ver = srv->ver;
+ __entry->device_id = le32_to_cpu(msg->device_id);
+ __entry->sector = le64_to_cpu(msg->sector);
+ __entry->bi_size = le32_to_cpu(msg->bi_size);
+ __entry->flags = le32_to_cpu(msg->rw);
+ __entry->ioprio = le16_to_cpu(msg->prio);
+ __entry->datalen = datalen;
+ __entry->usrlen = usrlen;
+ ),
+
+ 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",
+ __get_str(sessname),
+ __print_symbolic(__entry->dir,
+ { READ, "READ" },
+ { WRITE, "WRITE" }),
+ __entry->ver,
+ __entry->device_id,
+ __entry->sector,
+ __entry->bi_size,
+ show_rnbd_rw_flags(__entry->flags),
+ __entry->ioprio,
+ __entry->datalen,
+ __entry->usrlen
+ )
+);
+
+TRACE_EVENT(process_msg_sess_info,
+ TP_PROTO(struct rnbd_srv_session *srv,
+ const struct rnbd_msg_sess_info *msg),
+
+ TP_ARGS(srv, msg),
+
+ TP_STRUCT__entry(
+ __field(u8, proto_ver)
+ __field(u8, clt_ver)
+ __field(u8, srv_ver)
+ __string(sessname, srv->sessname)
+ ),
+
+ TP_fast_assign(
+ __entry->proto_ver = srv->ver;
+ __entry->clt_ver = msg->ver;
+ __entry->srv_ver = RNBD_PROTO_VER_MAJOR;
+ __assign_str(sessname, srv->sessname);
+ ),
+
+ TP_printk("Session %s using proto-ver %d (clt-ver: %d, srv-ver: %d)",
+ __get_str(sessname),
+ __entry->proto_ver,
+ __entry->clt_ver,
+ __entry->srv_ver
+ )
+);
+
+TRACE_DEFINE_ENUM(RNBD_ACCESS_RO);
+TRACE_DEFINE_ENUM(RNBD_ACCESS_RW);
+TRACE_DEFINE_ENUM(RNBD_ACCESS_MIGRATION);
+
+#define show_rnbd_access_mode(x) \
+ __print_symbolic(x, \
+ { RNBD_ACCESS_RO, "RO" }, \
+ { RNBD_ACCESS_RW, "RW" }, \
+ { RNBD_ACCESS_MIGRATION, "MIGRATION" })
+
+TRACE_EVENT(process_msg_open,
+ TP_PROTO(struct rnbd_srv_session *srv,
+ const struct rnbd_msg_open *msg),
+
+ TP_ARGS(srv, msg),
+
+ TP_STRUCT__entry(
+ __field(u8, access_mode)
+ __string(sessname, srv->sessname)
+ __string(dev_name, msg->dev_name)
+ ),
+
+ TP_fast_assign(
+ __entry->access_mode = msg->access_mode;
+ __assign_str(sessname, srv->sessname);
+ __assign_str(dev_name, msg->dev_name);
+ ),
+
+ TP_printk("Open message received: session='%s' path='%s' access_mode=%s",
+ __get_str(sessname),
+ __get_str(dev_name),
+ show_rnbd_access_mode(__entry->access_mode)
+ )
+);
+
+TRACE_EVENT(process_msg_close,
+ TP_PROTO(struct rnbd_srv_session *srv,
+ const struct rnbd_msg_close *msg),
+
+ TP_ARGS(srv, msg),
+
+ TP_STRUCT__entry(
+ __field(u32, device_id)
+ __string(sessname, srv->sessname)
+ ),
+
+ TP_fast_assign(
+ __entry->device_id = le32_to_cpu(msg->device_id);
+ __assign_str(sessname, srv->sessname);
+ ),
+
+ TP_printk("Close message received: session='%s' device id='%d'",
+ __get_str(sessname),
+ __entry->device_id
+ )
+);
+
+#endif /* _TRACE_RNBD_SRV_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE rnbd-srv-trace
+#include <trace/define_trace.h>
+