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/* 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>
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