text: /* SPDX-License-Identifier: GPL-2.0 */
  /*
   * Copyright (c) 2017, 2018 Oracle.  All rights reserved.
   *
   * Trace point definitions for the "rpcrdma" subsystem.
   */
  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM rpcrdma
  
  #if !defined(_TRACE_RPCRDMA_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _TRACE_RPCRDMA_H
  
  #include <linux/scatterlist.h>
  #include <linux/tracepoint.h>
  #include <trace/events/rdma.h>
  
  /**
   ** Event classes
   **/
  
  DECLARE_EVENT_CLASS(xprtrdma_reply_event,
  	TP_PROTO(
  		const struct rpcrdma_rep *rep
  	),
  
  	TP_ARGS(rep),
  
  	TP_STRUCT__entry(
  		__field(const void *, rep)
  		__field(const void *, r_xprt)
  		__field(u32, xid)
  		__field(u32, version)
  		__field(u32, proc)
  	),
  
  	TP_fast_assign(
  		__entry->rep = rep;
  		__entry->r_xprt = rep->rr_rxprt;
  		__entry->xid = be32_to_cpu(rep->rr_xid);
  		__entry->version = be32_to_cpu(rep->rr_vers);
  		__entry->proc = be32_to_cpu(rep->rr_proc);
  	),
  
  	TP_printk("rxprt %p xid=0x%08x rep=%p: version %u proc %u",
  		__entry->r_xprt, __entry->xid, __entry->rep,
  		__entry->version, __entry->proc
  	)
  );
  
  #define DEFINE_REPLY_EVENT(name)					\
  		DEFINE_EVENT(xprtrdma_reply_event, name,		\
  				TP_PROTO(				\
  					const struct rpcrdma_rep *rep	\
  				),					\
  				TP_ARGS(rep))
  
  DECLARE_EVENT_CLASS(xprtrdma_rxprt,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt
  	),
  
  	TP_ARGS(r_xprt),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p",
  		__get_str(addr), __get_str(port), __entry->r_xprt
  	)
  );
  
  #define DEFINE_RXPRT_EVENT(name)					\
  		DEFINE_EVENT(xprtrdma_rxprt, name,			\
  				TP_PROTO(				\
  					const struct rpcrdma_xprt *r_xprt \
  				),					\
  				TP_ARGS(r_xprt))
  
  DECLARE_EVENT_CLASS(xprtrdma_connect_class,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt,
  		int rc
  	),
  
  	TP_ARGS(r_xprt, rc),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__field(int, rc)
  		__field(int, connect_status)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__entry->rc = rc;
  		__entry->connect_status = r_xprt->rx_ep->re_connect_status;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p: rc=%d connection status=%d",
  		__get_str(addr), __get_str(port), __entry->r_xprt,
  		__entry->rc, __entry->connect_status
  	)
  );
  
  #define DEFINE_CONN_EVENT(name)						\
  		DEFINE_EVENT(xprtrdma_connect_class, xprtrdma_##name,	\
  				TP_PROTO(				\
  					const struct rpcrdma_xprt *r_xprt, \
  					int rc				\
  				),					\
  				TP_ARGS(r_xprt, rc))
  
  DECLARE_EVENT_CLASS(xprtrdma_rdch_event,
  	TP_PROTO(
  		const struct rpc_task *task,
  		unsigned int pos,
  		struct rpcrdma_mr *mr,
  		int nsegs
  	),
  
  	TP_ARGS(task, pos, mr, nsegs),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(unsigned int, pos)
  		__field(int, nents)
  		__field(u32, handle)
  		__field(u32, length)
  		__field(u64, offset)
  		__field(int, nsegs)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = task->tk_pid;
  		__entry->client_id = task->tk_client->cl_clid;
  		__entry->pos = pos;
  		__entry->nents = mr->mr_nents;
  		__entry->handle = mr->mr_handle;
  		__entry->length = mr->mr_length;
  		__entry->offset = mr->mr_offset;
  		__entry->nsegs = nsegs;
  	),
  
  	TP_printk("task:%u@%u pos=%u %u@0x%016llx:0x%08x (%s)",
  		__entry->task_id, __entry->client_id,
  		__entry->pos, __entry->length,
  		(unsigned long long)__entry->offset, __entry->handle,
  		__entry->nents < __entry->nsegs ? "more" : "last"
  	)
  );
  
  #define DEFINE_RDCH_EVENT(name)						\
  		DEFINE_EVENT(xprtrdma_rdch_event, xprtrdma_chunk_##name,\
  				TP_PROTO(				\
  					const struct rpc_task *task,	\
  					unsigned int pos,		\
  					struct rpcrdma_mr *mr,		\
  					int nsegs			\
  				),					\
  				TP_ARGS(task, pos, mr, nsegs))
  
  DECLARE_EVENT_CLASS(xprtrdma_wrch_event,
  	TP_PROTO(
  		const struct rpc_task *task,
  		struct rpcrdma_mr *mr,
  		int nsegs
  	),
  
  	TP_ARGS(task, mr, nsegs),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(int, nents)
  		__field(u32, handle)
  		__field(u32, length)
  		__field(u64, offset)
  		__field(int, nsegs)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = task->tk_pid;
  		__entry->client_id = task->tk_client->cl_clid;
  		__entry->nents = mr->mr_nents;
  		__entry->handle = mr->mr_handle;
  		__entry->length = mr->mr_length;
  		__entry->offset = mr->mr_offset;
  		__entry->nsegs = nsegs;
  	),
  
  	TP_printk("task:%u@%u %u@0x%016llx:0x%08x (%s)",
  		__entry->task_id, __entry->client_id,
  		__entry->length, (unsigned long long)__entry->offset,
  		__entry->handle,
  		__entry->nents < __entry->nsegs ? "more" : "last"
  	)
  );
  
  #define DEFINE_WRCH_EVENT(name)						\
  		DEFINE_EVENT(xprtrdma_wrch_event, xprtrdma_chunk_##name,\
  				TP_PROTO(				\
  					const struct rpc_task *task,	\
  					struct rpcrdma_mr *mr,		\
  					int nsegs			\
  				),					\
  				TP_ARGS(task, mr, nsegs))
  
  DECLARE_EVENT_CLASS(xprtrdma_frwr_done,
  	TP_PROTO(
  		const struct ib_wc *wc,
  		const struct rpcrdma_frwr *frwr
  	),
  
  	TP_ARGS(wc, frwr),
  
  	TP_STRUCT__entry(
  		__field(u32, mr_id)
  		__field(unsigned int, status)
  		__field(unsigned int, vendor_err)
  	),
  
  	TP_fast_assign(
  		__entry->mr_id = frwr->fr_mr->res.id;
  		__entry->status = wc->status;
  		__entry->vendor_err = __entry->status ? wc->vendor_err : 0;
  	),
  
  	TP_printk(
  		"mr.id=%u: %s (%u/0x%x)",
  		__entry->mr_id, rdma_show_wc_status(__entry->status),
  		__entry->status, __entry->vendor_err
  	)
  );
  
  #define DEFINE_FRWR_DONE_EVENT(name)					\
  		DEFINE_EVENT(xprtrdma_frwr_done, name,			\
  				TP_PROTO(				\
  					const struct ib_wc *wc,		\
  					const struct rpcrdma_frwr *frwr	\
  				),					\
  				TP_ARGS(wc, frwr))
  
  TRACE_DEFINE_ENUM(DMA_BIDIRECTIONAL);
  TRACE_DEFINE_ENUM(DMA_TO_DEVICE);
  TRACE_DEFINE_ENUM(DMA_FROM_DEVICE);
  TRACE_DEFINE_ENUM(DMA_NONE);
  
  #define xprtrdma_show_direction(x)					\
  		__print_symbolic(x,					\
  				{ DMA_BIDIRECTIONAL, "BIDIR" },		\
  				{ DMA_TO_DEVICE, "TO_DEVICE" },		\
  				{ DMA_FROM_DEVICE, "FROM_DEVICE" },	\
  				{ DMA_NONE, "NONE" })
  
  DECLARE_EVENT_CLASS(xprtrdma_mr,
  	TP_PROTO(
  		const struct rpcrdma_mr *mr
  	),
  
  	TP_ARGS(mr),
  
  	TP_STRUCT__entry(
  		__field(u32, mr_id)
  		__field(int, nents)
  		__field(u32, handle)
  		__field(u32, length)
  		__field(u64, offset)
  		__field(u32, dir)
  	),
  
  	TP_fast_assign(
  		__entry->mr_id  = mr->frwr.fr_mr->res.id;
  		__entry->nents  = mr->mr_nents;
  		__entry->handle = mr->mr_handle;
  		__entry->length = mr->mr_length;
  		__entry->offset = mr->mr_offset;
  		__entry->dir    = mr->mr_dir;
  	),
  
  	TP_printk("mr.id=%u nents=%d %u@0x%016llx:0x%08x (%s)",
  		__entry->mr_id, __entry->nents, __entry->length,
  		(unsigned long long)__entry->offset, __entry->handle,
  		xprtrdma_show_direction(__entry->dir)
  	)
  );
  
  #define DEFINE_MR_EVENT(name) \
  		DEFINE_EVENT(xprtrdma_mr, xprtrdma_mr_##name, \
  				TP_PROTO( \
  					const struct rpcrdma_mr *mr \
  				), \
  				TP_ARGS(mr))
  
  DECLARE_EVENT_CLASS(xprtrdma_cb_event,
  	TP_PROTO(
  		const struct rpc_rqst *rqst
  	),
  
  	TP_ARGS(rqst),
  
  	TP_STRUCT__entry(
  		__field(const void *, rqst)
  		__field(const void *, rep)
  		__field(const void *, req)
  		__field(u32, xid)
  	),
  
  	TP_fast_assign(
  		__entry->rqst = rqst;
  		__entry->req = rpcr_to_rdmar(rqst);
  		__entry->rep = rpcr_to_rdmar(rqst)->rl_reply;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  	),
  
  	TP_printk("xid=0x%08x, rqst=%p req=%p rep=%p",
  		__entry->xid, __entry->rqst, __entry->req, __entry->rep
  	)
  );
  
  #define DEFINE_CB_EVENT(name)						\
  		DEFINE_EVENT(xprtrdma_cb_event, name,			\
  				TP_PROTO(				\
  					const struct rpc_rqst *rqst	\
  				),					\
  				TP_ARGS(rqst))
  
  /**
   ** Connection events
   **/
  
  TRACE_EVENT(xprtrdma_inline_thresh,
  	TP_PROTO(
  		const struct rpcrdma_ep *ep
  	),
  
  	TP_ARGS(ep),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, inline_send)
  		__field(unsigned int, inline_recv)
  		__field(unsigned int, max_send)
  		__field(unsigned int, max_recv)
  		__array(unsigned char, srcaddr, sizeof(struct sockaddr_in6))
  		__array(unsigned char, dstaddr, sizeof(struct sockaddr_in6))
  	),
  
  	TP_fast_assign(
  		const struct rdma_cm_id *id = ep->re_id;
  
  		__entry->inline_send = ep->re_inline_send;
  		__entry->inline_recv = ep->re_inline_recv;
  		__entry->max_send = ep->re_max_inline_send;
  		__entry->max_recv = ep->re_max_inline_recv;
  		memcpy(__entry->srcaddr, &id->route.addr.src_addr,
  		       sizeof(struct sockaddr_in6));
  		memcpy(__entry->dstaddr, &id->route.addr.dst_addr,
  		       sizeof(struct sockaddr_in6));
  	),
  
  	TP_printk("%pISpc -> %pISpc neg send/recv=%u/%u, calc send/recv=%u/%u",
  		__entry->srcaddr, __entry->dstaddr,
  		__entry->inline_send, __entry->inline_recv,
  		__entry->max_send, __entry->max_recv
  	)
  );
  
  DEFINE_CONN_EVENT(connect);
  DEFINE_CONN_EVENT(disconnect);
  
  DEFINE_RXPRT_EVENT(xprtrdma_op_inject_dsc);
  DEFINE_RXPRT_EVENT(xprtrdma_op_setport);
  
  TRACE_EVENT(xprtrdma_op_connect,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt,
  		unsigned long delay
  	),
  
  	TP_ARGS(r_xprt, delay),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__field(unsigned long, delay)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__entry->delay = delay;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p delay=%lu",
  		__get_str(addr), __get_str(port), __entry->r_xprt,
  		__entry->delay
  	)
  );
  
  
  TRACE_EVENT(xprtrdma_op_set_cto,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt,
  		unsigned long connect,
  		unsigned long reconnect
  	),
  
  	TP_ARGS(r_xprt, connect, reconnect),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__field(unsigned long, connect)
  		__field(unsigned long, reconnect)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__entry->connect = connect;
  		__entry->reconnect = reconnect;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p: connect=%lu reconnect=%lu",
  		__get_str(addr), __get_str(port), __entry->r_xprt,
  		__entry->connect / HZ, __entry->reconnect / HZ
  	)
  );
  
  TRACE_EVENT(xprtrdma_qp_event,
  	TP_PROTO(
  		const struct rpcrdma_ep *ep,
  		const struct ib_event *event
  	),
  
  	TP_ARGS(ep, event),
  
  	TP_STRUCT__entry(
  		__field(unsigned long, event)
  		__string(name, event->device->name)
  		__array(unsigned char, srcaddr, sizeof(struct sockaddr_in6))
  		__array(unsigned char, dstaddr, sizeof(struct sockaddr_in6))
  	),
  
  	TP_fast_assign(
  		const struct rdma_cm_id *id = ep->re_id;
  
  		__entry->event = event->event;
  		__assign_str(name, event->device->name);
  		memcpy(__entry->srcaddr, &id->route.addr.src_addr,
  		       sizeof(struct sockaddr_in6));
  		memcpy(__entry->dstaddr, &id->route.addr.dst_addr,
  		       sizeof(struct sockaddr_in6));
  	),
  
  	TP_printk("%pISpc -> %pISpc device=%s %s (%lu)",
  		__entry->srcaddr, __entry->dstaddr, __get_str(name),
  		rdma_show_ib_event(__entry->event), __entry->event
  	)
  );
  
  /**
   ** Call events
   **/
  
  TRACE_EVENT(xprtrdma_createmrs,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt,
  		unsigned int count
  	),
  
  	TP_ARGS(r_xprt, count),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  		__field(unsigned int, count)
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__entry->count = count;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p: created %u MRs",
  		__get_str(addr), __get_str(port), __entry->r_xprt,
  		__entry->count
  	)
  );
  
  TRACE_EVENT(xprtrdma_mr_get,
  	TP_PROTO(
  		const struct rpcrdma_req *req
  	),
  
  	TP_ARGS(req),
  
  	TP_STRUCT__entry(
  		__field(const void *, req)
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(u32, xid)
  	),
  
  	TP_fast_assign(
  		const struct rpc_rqst *rqst = &req->rl_slot;
  
  		__entry->req = req;
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x req=%p",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->req
  	)
  );
  
  TRACE_EVENT(xprtrdma_nomrs,
  	TP_PROTO(
  		const struct rpcrdma_req *req
  	),
  
  	TP_ARGS(req),
  
  	TP_STRUCT__entry(
  		__field(const void *, req)
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(u32, xid)
  	),
  
  	TP_fast_assign(
  		const struct rpc_rqst *rqst = &req->rl_slot;
  
  		__entry->req = req;
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x req=%p",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->req
  	)
  );
  
  DEFINE_RDCH_EVENT(read);
  DEFINE_WRCH_EVENT(write);
  DEFINE_WRCH_EVENT(reply);
  
  TRACE_DEFINE_ENUM(rpcrdma_noch);
  TRACE_DEFINE_ENUM(rpcrdma_noch_pullup);
  TRACE_DEFINE_ENUM(rpcrdma_noch_mapped);
  TRACE_DEFINE_ENUM(rpcrdma_readch);
  TRACE_DEFINE_ENUM(rpcrdma_areadch);
  TRACE_DEFINE_ENUM(rpcrdma_writech);
  TRACE_DEFINE_ENUM(rpcrdma_replych);
  
  #define xprtrdma_show_chunktype(x)					\
  		__print_symbolic(x,					\
  				{ rpcrdma_noch, "inline" },		\
  				{ rpcrdma_noch_pullup, "pullup" },	\
  				{ rpcrdma_noch_mapped, "mapped" },	\
  				{ rpcrdma_readch, "read list" },	\
  				{ rpcrdma_areadch, "*read list" },	\
  				{ rpcrdma_writech, "write list" },	\
  				{ rpcrdma_replych, "reply chunk" })
  
  TRACE_EVENT(xprtrdma_marshal,
  	TP_PROTO(
  		const struct rpcrdma_req *req,
  		unsigned int rtype,
  		unsigned int wtype
  	),
  
  	TP_ARGS(req, rtype, wtype),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(u32, xid)
  		__field(unsigned int, hdrlen)
  		__field(unsigned int, headlen)
  		__field(unsigned int, pagelen)
  		__field(unsigned int, taillen)
  		__field(unsigned int, rtype)
  		__field(unsigned int, wtype)
  	),
  
  	TP_fast_assign(
  		const struct rpc_rqst *rqst = &req->rl_slot;
  
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  		__entry->hdrlen = req->rl_hdrbuf.len;
  		__entry->headlen = rqst->rq_snd_buf.head[0].iov_len;
  		__entry->pagelen = rqst->rq_snd_buf.page_len;
  		__entry->taillen = rqst->rq_snd_buf.tail[0].iov_len;
  		__entry->rtype = rtype;
  		__entry->wtype = wtype;
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x: hdr=%u xdr=%u/%u/%u %s/%s",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->hdrlen,
  		__entry->headlen, __entry->pagelen, __entry->taillen,
  		xprtrdma_show_chunktype(__entry->rtype),
  		xprtrdma_show_chunktype(__entry->wtype)
  	)
  );
  
  TRACE_EVENT(xprtrdma_marshal_failed,
  	TP_PROTO(const struct rpc_rqst *rqst,
  		 int ret
  	),
  
  	TP_ARGS(rqst, ret),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(u32, xid)
  		__field(int, ret)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  		__entry->ret = ret;
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x: ret=%d",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->ret
  	)
  );
  
  TRACE_EVENT(xprtrdma_prepsend_failed,
  	TP_PROTO(const struct rpc_rqst *rqst,
  		 int ret
  	),
  
  	TP_ARGS(rqst, ret),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(u32, xid)
  		__field(int, ret)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  		__entry->ret = ret;
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x: ret=%d",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->ret
  	)
  );
  
  TRACE_EVENT(xprtrdma_post_send,
  	TP_PROTO(
  		const struct rpcrdma_req *req
  	),
  
  	TP_ARGS(req),
  
  	TP_STRUCT__entry(
  		__field(const void *, req)
  		__field(const void *, sc)
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(int, num_sge)
  		__field(int, signaled)
  	),
  
  	TP_fast_assign(
  		const struct rpc_rqst *rqst = &req->rl_slot;
  
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client ?
  				     rqst->rq_task->tk_client->cl_clid : -1;
  		__entry->req = req;
  		__entry->sc = req->rl_sendctx;
  		__entry->num_sge = req->rl_wr.num_sge;
  		__entry->signaled = req->rl_wr.send_flags & IB_SEND_SIGNALED;
  	),
  
  	TP_printk("task:%u@%u req=%p sc=%p (%d SGE%s) %s",
  		__entry->task_id, __entry->client_id,
  		__entry->req, __entry->sc, __entry->num_sge,
  		(__entry->num_sge == 1 ? "" : "s"),
  		(__entry->signaled ? "signaled" : "")
  	)
  );
  
  TRACE_EVENT(xprtrdma_post_recv,
  	TP_PROTO(
  		const struct rpcrdma_rep *rep
  	),
  
  	TP_ARGS(rep),
  
  	TP_STRUCT__entry(
  		__field(const void *, rep)
  	),
  
  	TP_fast_assign(
  		__entry->rep = rep;
  	),
  
  	TP_printk("rep=%p",
  		__entry->rep
  	)
  );
  
  TRACE_EVENT(xprtrdma_post_recvs,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt,
  		unsigned int count,
  		int status
  	),
  
  	TP_ARGS(r_xprt, count, status),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__field(unsigned int, count)
  		__field(int, status)
  		__field(int, posted)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__entry->count = count;
  		__entry->status = status;
  		__entry->posted = r_xprt->rx_ep->re_receive_count;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p: %u new recvs, %d active (rc %d)",
  		__get_str(addr), __get_str(port), __entry->r_xprt,
  		__entry->count, __entry->posted, __entry->status
  	)
  );
  
  TRACE_EVENT(xprtrdma_post_linv,
  	TP_PROTO(
  		const struct rpcrdma_req *req,
  		int status
  	),
  
  	TP_ARGS(req, status),
  
  	TP_STRUCT__entry(
  		__field(const void *, req)
  		__field(int, status)
  		__field(u32, xid)
  	),
  
  	TP_fast_assign(
  		__entry->req = req;
  		__entry->status = status;
  		__entry->xid = be32_to_cpu(req->rl_slot.rq_xid);
  	),
  
  	TP_printk("req=%p xid=0x%08x status=%d",
  		__entry->req, __entry->xid, __entry->status
  	)
  );
  
  /**
   ** Completion events
   **/
  
  TRACE_EVENT(xprtrdma_wc_send,
  	TP_PROTO(
  		const struct rpcrdma_sendctx *sc,
  		const struct ib_wc *wc
  	),
  
  	TP_ARGS(sc, wc),
  
  	TP_STRUCT__entry(
  		__field(const void *, req)
  		__field(const void *, sc)
  		__field(unsigned int, unmap_count)
  		__field(unsigned int, status)
  		__field(unsigned int, vendor_err)
  	),
  
  	TP_fast_assign(
  		__entry->req = sc->sc_req;
  		__entry->sc = sc;
  		__entry->unmap_count = sc->sc_unmap_count;
  		__entry->status = wc->status;
  		__entry->vendor_err = __entry->status ? wc->vendor_err : 0;
  	),
  
  	TP_printk("req=%p sc=%p unmapped=%u: %s (%u/0x%x)",
  		__entry->req, __entry->sc, __entry->unmap_count,
  		rdma_show_wc_status(__entry->status),
  		__entry->status, __entry->vendor_err
  	)
  );
  
  TRACE_EVENT(xprtrdma_wc_receive,
  	TP_PROTO(
  		const struct ib_wc *wc
  	),
  
  	TP_ARGS(wc),
  
  	TP_STRUCT__entry(
  		__field(const void *, rep)
  		__field(u32, byte_len)
  		__field(unsigned int, status)
  		__field(u32, vendor_err)
  	),
  
  	TP_fast_assign(
  		__entry->rep = container_of(wc->wr_cqe, struct rpcrdma_rep,
  					    rr_cqe);
  		__entry->status = wc->status;
  		if (wc->status) {
  			__entry->byte_len = 0;
  			__entry->vendor_err = wc->vendor_err;
  		} else {
  			__entry->byte_len = wc->byte_len;
  			__entry->vendor_err = 0;
  		}
  	),
  
  	TP_printk("rep=%p %u bytes: %s (%u/0x%x)",
  		__entry->rep, __entry->byte_len,
  		rdma_show_wc_status(__entry->status),
  		__entry->status, __entry->vendor_err
  	)
  );
  
  DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_fastreg);
  DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li);
  DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_wake);
  DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_done);
  
  TRACE_EVENT(xprtrdma_frwr_alloc,
  	TP_PROTO(
  		const struct rpcrdma_mr *mr,
  		int rc
  	),
  
  	TP_ARGS(mr, rc),
  
  	TP_STRUCT__entry(
  		__field(u32, mr_id)
  		__field(int, rc)
  	),
  
  	TP_fast_assign(
  		__entry->mr_id = mr->frwr.fr_mr->res.id;
  		__entry->rc = rc;
  	),
  
  	TP_printk("mr.id=%u: rc=%d",
  		__entry->mr_id, __entry->rc
  	)
  );
  
  TRACE_EVENT(xprtrdma_frwr_dereg,
  	TP_PROTO(
  		const struct rpcrdma_mr *mr,
  		int rc
  	),
  
  	TP_ARGS(mr, rc),
  
  	TP_STRUCT__entry(
  		__field(u32, mr_id)
  		__field(int, nents)
  		__field(u32, handle)
  		__field(u32, length)
  		__field(u64, offset)
  		__field(u32, dir)
  		__field(int, rc)
  	),
  
  	TP_fast_assign(
  		__entry->mr_id  = mr->frwr.fr_mr->res.id;
  		__entry->nents  = mr->mr_nents;
  		__entry->handle = mr->mr_handle;
  		__entry->length = mr->mr_length;
  		__entry->offset = mr->mr_offset;
  		__entry->dir    = mr->mr_dir;
  		__entry->rc	= rc;
  	),
  
  	TP_printk("mr.id=%u nents=%d %u@0x%016llx:0x%08x (%s): rc=%d",
  		__entry->mr_id, __entry->nents, __entry->length,
  		(unsigned long long)__entry->offset, __entry->handle,
  		xprtrdma_show_direction(__entry->dir),
  		__entry->rc
  	)
  );
  
  TRACE_EVENT(xprtrdma_frwr_sgerr,
  	TP_PROTO(
  		const struct rpcrdma_mr *mr,
  		int sg_nents
  	),
  
  	TP_ARGS(mr, sg_nents),
  
  	TP_STRUCT__entry(
  		__field(u32, mr_id)
  		__field(u64, addr)
  		__field(u32, dir)
  		__field(int, nents)
  	),
  
  	TP_fast_assign(
  		__entry->mr_id = mr->frwr.fr_mr->res.id;
  		__entry->addr = mr->mr_sg->dma_address;
  		__entry->dir = mr->mr_dir;
  		__entry->nents = sg_nents;
  	),
  
  	TP_printk("mr.id=%u DMA addr=0x%llx (%s) sg_nents=%d",
  		__entry->mr_id, __entry->addr,
  		xprtrdma_show_direction(__entry->dir),
  		__entry->nents
  	)
  );
  
  TRACE_EVENT(xprtrdma_frwr_maperr,
  	TP_PROTO(
  		const struct rpcrdma_mr *mr,
  		int num_mapped
  	),
  
  	TP_ARGS(mr, num_mapped),
  
  	TP_STRUCT__entry(
  		__field(u32, mr_id)
  		__field(u64, addr)
  		__field(u32, dir)
  		__field(int, num_mapped)
  		__field(int, nents)
  	),
  
  	TP_fast_assign(
  		__entry->mr_id = mr->frwr.fr_mr->res.id;
  		__entry->addr = mr->mr_sg->dma_address;
  		__entry->dir = mr->mr_dir;
  		__entry->num_mapped = num_mapped;
  		__entry->nents = mr->mr_nents;
  	),
  
  	TP_printk("mr.id=%u DMA addr=0x%llx (%s) nents=%d of %d",
  		__entry->mr_id, __entry->addr,
  		xprtrdma_show_direction(__entry->dir),
  		__entry->num_mapped, __entry->nents
  	)
  );
  
  DEFINE_MR_EVENT(localinv);
  DEFINE_MR_EVENT(map);
  DEFINE_MR_EVENT(unmap);
  DEFINE_MR_EVENT(reminv);
  DEFINE_MR_EVENT(recycle);
  
  TRACE_EVENT(xprtrdma_dma_maperr,
  	TP_PROTO(
  		u64 addr
  	),
  
  	TP_ARGS(addr),
  
  	TP_STRUCT__entry(
  		__field(u64, addr)
  	),
  
  	TP_fast_assign(
  		__entry->addr = addr;
  	),
  
  	TP_printk("dma addr=0x%llx\n", __entry->addr)
  );
  
  /**
   ** Reply events
   **/
  
  TRACE_EVENT(xprtrdma_reply,
  	TP_PROTO(
  		const struct rpc_task *task,
  		const struct rpcrdma_rep *rep,
  		const struct rpcrdma_req *req,
  		unsigned int credits
  	),
  
  	TP_ARGS(task, rep, req, credits),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(const void *, rep)
  		__field(const void *, req)
  		__field(u32, xid)
  		__field(unsigned int, credits)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = task->tk_pid;
  		__entry->client_id = task->tk_client->cl_clid;
  		__entry->rep = rep;
  		__entry->req = req;
  		__entry->xid = be32_to_cpu(rep->rr_xid);
  		__entry->credits = credits;
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x, %u credits, rep=%p -> req=%p",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->credits, __entry->rep, __entry->req
  	)
  );
  
  TRACE_EVENT(xprtrdma_defer_cmp,
  	TP_PROTO(
  		const struct rpcrdma_rep *rep
  	),
  
  	TP_ARGS(rep),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(const void *, rep)
  		__field(u32, xid)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = rep->rr_rqst->rq_task->tk_pid;
  		__entry->client_id = rep->rr_rqst->rq_task->tk_client->cl_clid;
  		__entry->rep = rep;
  		__entry->xid = be32_to_cpu(rep->rr_xid);
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x rep=%p",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->rep
  	)
  );
  
  DEFINE_REPLY_EVENT(xprtrdma_reply_vers);
  DEFINE_REPLY_EVENT(xprtrdma_reply_rqst);
  DEFINE_REPLY_EVENT(xprtrdma_reply_short);
  DEFINE_REPLY_EVENT(xprtrdma_reply_hdr);
  
  TRACE_EVENT(xprtrdma_fixup,
  	TP_PROTO(
  		const struct rpc_rqst *rqst,
  		unsigned long fixup
  	),
  
  	TP_ARGS(rqst, fixup),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(unsigned long, fixup)
  		__field(size_t, headlen)
  		__field(unsigned int, pagelen)
  		__field(size_t, taillen)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->fixup = fixup;
  		__entry->headlen = rqst->rq_rcv_buf.head[0].iov_len;
  		__entry->pagelen = rqst->rq_rcv_buf.page_len;
  		__entry->taillen = rqst->rq_rcv_buf.tail[0].iov_len;
  	),
  
  	TP_printk("task:%u@%u fixup=%lu xdr=%zu/%u/%zu",
  		__entry->task_id, __entry->client_id, __entry->fixup,
  		__entry->headlen, __entry->pagelen, __entry->taillen
  	)
  );
  
  TRACE_EVENT(xprtrdma_decode_seg,
  	TP_PROTO(
  		u32 handle,
  		u32 length,
  		u64 offset
  	),
  
  	TP_ARGS(handle, length, offset),
  
  	TP_STRUCT__entry(
  		__field(u32, handle)
  		__field(u32, length)
  		__field(u64, offset)
  	),
  
  	TP_fast_assign(
  		__entry->handle = handle;
  		__entry->length = length;
  		__entry->offset = offset;
  	),
  
  	TP_printk("%u@0x%016llx:0x%08x",
  		__entry->length, (unsigned long long)__entry->offset,
  		__entry->handle
  	)
  );
  
  /**
   ** Allocation/release of rpcrdma_reqs and rpcrdma_reps
   **/
  
  TRACE_EVENT(xprtrdma_op_allocate,
  	TP_PROTO(
  		const struct rpc_task *task,
  		const struct rpcrdma_req *req
  	),
  
  	TP_ARGS(task, req),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(const void *, req)
  		__field(size_t, callsize)
  		__field(size_t, rcvsize)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = task->tk_pid;
  		__entry->client_id = task->tk_client->cl_clid;
  		__entry->req = req;
  		__entry->callsize = task->tk_rqstp->rq_callsize;
  		__entry->rcvsize = task->tk_rqstp->rq_rcvsize;
  	),
  
  	TP_printk("task:%u@%u req=%p (%zu, %zu)",
  		__entry->task_id, __entry->client_id,
  		__entry->req, __entry->callsize, __entry->rcvsize
  	)
  );
  
  TRACE_EVENT(xprtrdma_op_free,
  	TP_PROTO(
  		const struct rpc_task *task,
  		const struct rpcrdma_req *req
  	),
  
  	TP_ARGS(task, req),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(const void *, req)
  		__field(const void *, rep)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = task->tk_pid;
  		__entry->client_id = task->tk_client->cl_clid;
  		__entry->req = req;
  		__entry->rep = req->rl_reply;
  	),
  
  	TP_printk("task:%u@%u req=%p rep=%p",
  		__entry->task_id, __entry->client_id,
  		__entry->req, __entry->rep
  	)
  );
  
  /**
   ** Callback events
   **/
  
  TRACE_EVENT(xprtrdma_cb_setup,
  	TP_PROTO(
  		const struct rpcrdma_xprt *r_xprt,
  		unsigned int reqs
  	),
  
  	TP_ARGS(r_xprt, reqs),
  
  	TP_STRUCT__entry(
  		__field(const void *, r_xprt)
  		__field(unsigned int, reqs)
  		__string(addr, rpcrdma_addrstr(r_xprt))
  		__string(port, rpcrdma_portstr(r_xprt))
  	),
  
  	TP_fast_assign(
  		__entry->r_xprt = r_xprt;
  		__entry->reqs = reqs;
  		__assign_str(addr, rpcrdma_addrstr(r_xprt));
  		__assign_str(port, rpcrdma_portstr(r_xprt));
  	),
  
  	TP_printk("peer=[%s]:%s r_xprt=%p: %u reqs",
  		__get_str(addr), __get_str(port),
  		__entry->r_xprt, __entry->reqs
  	)
  );
  
  DEFINE_CB_EVENT(xprtrdma_cb_call);
  DEFINE_CB_EVENT(xprtrdma_cb_reply);
  
  TRACE_EVENT(xprtrdma_leaked_rep,
  	TP_PROTO(
  		const struct rpc_rqst *rqst,
  		const struct rpcrdma_rep *rep
  	),
  
  	TP_ARGS(rqst, rep),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, task_id)
  		__field(unsigned int, client_id)
  		__field(u32, xid)
  		__field(const void *, rep)
  	),
  
  	TP_fast_assign(
  		__entry->task_id = rqst->rq_task->tk_pid;
  		__entry->client_id = rqst->rq_task->tk_client->cl_clid;
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  		__entry->rep = rep;
  	),
  
  	TP_printk("task:%u@%u xid=0x%08x rep=%p",
  		__entry->task_id, __entry->client_id, __entry->xid,
  		__entry->rep
  	)
  );
  
  /**
   ** Server-side RPC/RDMA events
   **/
  
  DECLARE_EVENT_CLASS(svcrdma_accept_class,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		long status
  	),
  
  	TP_ARGS(rdma, status),
  
  	TP_STRUCT__entry(
  		__field(long, status)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->status = status;
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s status=%ld",
  		__get_str(addr), __entry->status
  	)
  );
  
  #define DEFINE_ACCEPT_EVENT(name) \
  		DEFINE_EVENT(svcrdma_accept_class, svcrdma_##name##_err, \
  				TP_PROTO( \
  					const struct svcxprt_rdma *rdma, \
  					long status \
  				), \
  				TP_ARGS(rdma, status))
  
  DEFINE_ACCEPT_EVENT(pd);
  DEFINE_ACCEPT_EVENT(qp);
  DEFINE_ACCEPT_EVENT(fabric);
  DEFINE_ACCEPT_EVENT(initdepth);
  DEFINE_ACCEPT_EVENT(accept);
  
  TRACE_DEFINE_ENUM(RDMA_MSG);
  TRACE_DEFINE_ENUM(RDMA_NOMSG);
  TRACE_DEFINE_ENUM(RDMA_MSGP);
  TRACE_DEFINE_ENUM(RDMA_DONE);
  TRACE_DEFINE_ENUM(RDMA_ERROR);
  
  #define show_rpcrdma_proc(x)						\
  		__print_symbolic(x,					\
  				{ RDMA_MSG, "RDMA_MSG" },		\
  				{ RDMA_NOMSG, "RDMA_NOMSG" },		\
  				{ RDMA_MSGP, "RDMA_MSGP" },		\
  				{ RDMA_DONE, "RDMA_DONE" },		\
  				{ RDMA_ERROR, "RDMA_ERROR" })
  
  TRACE_EVENT(svcrdma_decode_rqst,
  	TP_PROTO(
  		__be32 *p,
  		unsigned int hdrlen
  	),
  
  	TP_ARGS(p, hdrlen),
  
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(u32, vers)
  		__field(u32, proc)
  		__field(u32, credits)
  		__field(unsigned int, hdrlen)
  	),
  
  	TP_fast_assign(
  		__entry->xid = be32_to_cpup(p++);
  		__entry->vers = be32_to_cpup(p++);
  		__entry->credits = be32_to_cpup(p++);
  		__entry->proc = be32_to_cpup(p);
  		__entry->hdrlen = hdrlen;
  	),
  
  	TP_printk("xid=0x%08x vers=%u credits=%u proc=%s hdrlen=%u",
  		__entry->xid, __entry->vers, __entry->credits,
  		show_rpcrdma_proc(__entry->proc), __entry->hdrlen)
  );
  
  TRACE_EVENT(svcrdma_decode_short_err,
  	TP_PROTO(
  		unsigned int hdrlen
  	),
  
  	TP_ARGS(hdrlen),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, hdrlen)
  	),
  
  	TP_fast_assign(
  		__entry->hdrlen = hdrlen;
  	),
  
  	TP_printk("hdrlen=%u", __entry->hdrlen)
  );
  
  DECLARE_EVENT_CLASS(svcrdma_badreq_event,
  	TP_PROTO(
  		__be32 *p
  	),
  
  	TP_ARGS(p),
  
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(u32, vers)
  		__field(u32, proc)
  		__field(u32, credits)
  	),
  
  	TP_fast_assign(
  		__entry->xid = be32_to_cpup(p++);
  		__entry->vers = be32_to_cpup(p++);
  		__entry->credits = be32_to_cpup(p++);
  		__entry->proc = be32_to_cpup(p);
  	),
  
  	TP_printk("xid=0x%08x vers=%u credits=%u proc=%u",
  		__entry->xid, __entry->vers, __entry->credits, __entry->proc)
  );
  
  #define DEFINE_BADREQ_EVENT(name)					\
  		DEFINE_EVENT(svcrdma_badreq_event,			\
  			     svcrdma_decode_##name##_err,		\
  				TP_PROTO(				\
  					__be32 *p			\
  				),					\
  				TP_ARGS(p))
  
  DEFINE_BADREQ_EVENT(badvers);
  DEFINE_BADREQ_EVENT(drop);
  DEFINE_BADREQ_EVENT(badproc);
  DEFINE_BADREQ_EVENT(parse);
  
  DECLARE_EVENT_CLASS(svcrdma_segment_event,
  	TP_PROTO(
  		u32 handle,
  		u32 length,
  		u64 offset
  	),
  
  	TP_ARGS(handle, length, offset),
  
  	TP_STRUCT__entry(
  		__field(u32, handle)
  		__field(u32, length)
  		__field(u64, offset)
  	),
  
  	TP_fast_assign(
  		__entry->handle = handle;
  		__entry->length = length;
  		__entry->offset = offset;
  	),
  
  	TP_printk("%u@0x%016llx:0x%08x",
  		__entry->length, (unsigned long long)__entry->offset,
  		__entry->handle
  	)
  );
  
  #define DEFINE_SEGMENT_EVENT(name)					\
  		DEFINE_EVENT(svcrdma_segment_event, svcrdma_##name,\
  				TP_PROTO(				\
  					u32 handle,			\
  					u32 length,			\
  					u64 offset			\
  				),					\
  				TP_ARGS(handle, length, offset))
  
  DEFINE_SEGMENT_EVENT(decode_wseg);
  DEFINE_SEGMENT_EVENT(encode_rseg);
  DEFINE_SEGMENT_EVENT(send_rseg);
  DEFINE_SEGMENT_EVENT(encode_wseg);
  DEFINE_SEGMENT_EVENT(send_wseg);
  
  DECLARE_EVENT_CLASS(svcrdma_chunk_event,
  	TP_PROTO(
  		u32 length
  	),
  
  	TP_ARGS(length),
  
  	TP_STRUCT__entry(
  		__field(u32, length)
  	),
  
  	TP_fast_assign(
  		__entry->length = length;
  	),
  
  	TP_printk("length=%u",
  		__entry->length
  	)
  );
  
  #define DEFINE_CHUNK_EVENT(name)					\
  		DEFINE_EVENT(svcrdma_chunk_event, svcrdma_##name,	\
  				TP_PROTO(				\
  					u32 length			\
  				),					\
  				TP_ARGS(length))
  
  DEFINE_CHUNK_EVENT(send_pzr);
  DEFINE_CHUNK_EVENT(encode_write_chunk);
  DEFINE_CHUNK_EVENT(send_write_chunk);
  DEFINE_CHUNK_EVENT(encode_read_chunk);
  DEFINE_CHUNK_EVENT(send_reply_chunk);
  
  TRACE_EVENT(svcrdma_send_read_chunk,
  	TP_PROTO(
  		u32 length,
  		u32 position
  	),
  
  	TP_ARGS(length, position),
  
  	TP_STRUCT__entry(
  		__field(u32, length)
  		__field(u32, position)
  	),
  
  	TP_fast_assign(
  		__entry->length = length;
  		__entry->position = position;
  	),
  
  	TP_printk("length=%u position=%u",
  		__entry->length, __entry->position
  	)
  );
  
  DECLARE_EVENT_CLASS(svcrdma_error_event,
  	TP_PROTO(
  		__be32 xid
  	),
  
  	TP_ARGS(xid),
  
  	TP_STRUCT__entry(
  		__field(u32, xid)
  	),
  
  	TP_fast_assign(
  		__entry->xid = be32_to_cpu(xid);
  	),
  
  	TP_printk("xid=0x%08x",
  		__entry->xid
  	)
  );
  
  #define DEFINE_ERROR_EVENT(name)					\
  		DEFINE_EVENT(svcrdma_error_event, svcrdma_err_##name,	\
  				TP_PROTO(				\
  					__be32 xid			\
  				),					\
  				TP_ARGS(xid))
  
  DEFINE_ERROR_EVENT(vers);
  DEFINE_ERROR_EVENT(chunk);
  
  /**
   ** Server-side RDMA API events
   **/
  
  DECLARE_EVENT_CLASS(svcrdma_dma_map_class,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		u64 dma_addr,
  		u32 length
  	),
  
  	TP_ARGS(rdma, dma_addr, length),
  
  	TP_STRUCT__entry(
  		__field(u64, dma_addr)
  		__field(u32, length)
  		__string(device, rdma->sc_cm_id->device->name)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->dma_addr = dma_addr;
  		__entry->length = length;
  		__assign_str(device, rdma->sc_cm_id->device->name);
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s device=%s dma_addr=%llu length=%u",
  		__get_str(addr), __get_str(device),
  		__entry->dma_addr, __entry->length
  	)
  );
  
  #define DEFINE_SVC_DMA_EVENT(name)					\
  		DEFINE_EVENT(svcrdma_dma_map_class, svcrdma_##name,	\
  				TP_PROTO(				\
  					const struct svcxprt_rdma *rdma,\
  					u64 dma_addr,			\
  					u32 length			\
  				),					\
  				TP_ARGS(rdma, dma_addr, length))
  
  DEFINE_SVC_DMA_EVENT(dma_map_page);
  DEFINE_SVC_DMA_EVENT(dma_unmap_page);
  
  TRACE_EVENT(svcrdma_dma_map_rw_err,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		unsigned int nents,
  		int status
  	),
  
  	TP_ARGS(rdma, nents, status),
  
  	TP_STRUCT__entry(
  		__field(int, status)
  		__field(unsigned int, nents)
  		__string(device, rdma->sc_cm_id->device->name)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->status = status;
  		__entry->nents = nents;
  		__assign_str(device, rdma->sc_cm_id->device->name);
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s device=%s nents=%u status=%d",
  		__get_str(addr), __get_str(device), __entry->nents,
  		__entry->status
  	)
  );
  
  TRACE_EVENT(svcrdma_no_rwctx_err,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		unsigned int num_sges
  	),
  
  	TP_ARGS(rdma, num_sges),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, num_sges)
  		__string(device, rdma->sc_cm_id->device->name)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->num_sges = num_sges;
  		__assign_str(device, rdma->sc_cm_id->device->name);
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s device=%s num_sges=%d",
  		__get_str(addr), __get_str(device), __entry->num_sges
  	)
  );
  
  TRACE_EVENT(svcrdma_page_overrun_err,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		const struct svc_rqst *rqst,
  		unsigned int pageno
  	),
  
  	TP_ARGS(rdma, rqst, pageno),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, pageno)
  		__field(u32, xid)
  		__string(device, rdma->sc_cm_id->device->name)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->pageno = pageno;
  		__entry->xid = __be32_to_cpu(rqst->rq_xid);
  		__assign_str(device, rdma->sc_cm_id->device->name);
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s device=%s xid=0x%08x pageno=%u", __get_str(addr),
  		__get_str(device), __entry->xid, __entry->pageno
  	)
  );
  
  TRACE_EVENT(svcrdma_small_wrch_err,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		unsigned int remaining,
  		unsigned int seg_no,
  		unsigned int num_segs
  	),
  
  	TP_ARGS(rdma, remaining, seg_no, num_segs),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, remaining)
  		__field(unsigned int, seg_no)
  		__field(unsigned int, num_segs)
  		__string(device, rdma->sc_cm_id->device->name)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->remaining = remaining;
  		__entry->seg_no = seg_no;
  		__entry->num_segs = num_segs;
  		__assign_str(device, rdma->sc_cm_id->device->name);
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s device=%s remaining=%u seg_no=%u num_segs=%u",
  		__get_str(addr), __get_str(device), __entry->remaining,
  		__entry->seg_no, __entry->num_segs
  	)
  );
  
  TRACE_EVENT(svcrdma_send_pullup,
  	TP_PROTO(
  		unsigned int len
  	),
  
  	TP_ARGS(len),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, len)
  	),
  
  	TP_fast_assign(
  		__entry->len = len;
  	),
  
  	TP_printk("len=%u", __entry->len)
  );
  
  TRACE_EVENT(svcrdma_send_failed,
  	TP_PROTO(
  		const struct svc_rqst *rqst,
  		int status
  	),
  
  	TP_ARGS(rqst, status),
  
  	TP_STRUCT__entry(
  		__field(int, status)
  		__field(u32, xid)
  		__field(const void *, xprt)
  		__string(addr, rqst->rq_xprt->xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->status = status;
  		__entry->xid = __be32_to_cpu(rqst->rq_xid);
  		__entry->xprt = rqst->rq_xprt;
  		__assign_str(addr, rqst->rq_xprt->xpt_remotebuf);
  	),
  
  	TP_printk("xprt=%p addr=%s xid=0x%08x status=%d",
  		__entry->xprt, __get_str(addr),
  		__entry->xid, __entry->status
  	)
  );
  
  DECLARE_EVENT_CLASS(svcrdma_sendcomp_event,
  	TP_PROTO(
  		const struct ib_wc *wc
  	),
  
  	TP_ARGS(wc),
  
  	TP_STRUCT__entry(
  		__field(const void *, cqe)
  		__field(unsigned int, status)
  		__field(unsigned int, vendor_err)
  	),
  
  	TP_fast_assign(
  		__entry->cqe = wc->wr_cqe;
  		__entry->status = wc->status;
  		if (wc->status)
  			__entry->vendor_err = wc->vendor_err;
  		else
  			__entry->vendor_err = 0;
  	),
  
  	TP_printk("cqe=%p status=%s (%u/0x%x)",
  		__entry->cqe, rdma_show_wc_status(__entry->status),
  		__entry->status, __entry->vendor_err
  	)
  );
  
  #define DEFINE_SENDCOMP_EVENT(name)					\
  		DEFINE_EVENT(svcrdma_sendcomp_event, svcrdma_wc_##name,	\
  				TP_PROTO(				\
  					const struct ib_wc *wc		\
  				),					\
  				TP_ARGS(wc))
  
  TRACE_EVENT(svcrdma_post_send,
  	TP_PROTO(
  		const struct ib_send_wr *wr
  	),
  
  	TP_ARGS(wr),
  
  	TP_STRUCT__entry(
  		__field(const void *, cqe)
  		__field(unsigned int, num_sge)
  		__field(u32, inv_rkey)
  	),
  
  	TP_fast_assign(
  		__entry->cqe = wr->wr_cqe;
  		__entry->num_sge = wr->num_sge;
  		__entry->inv_rkey = (wr->opcode == IB_WR_SEND_WITH_INV) ?
  					wr->ex.invalidate_rkey : 0;
  	),
  
  	TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x",
  		__entry->cqe, __entry->num_sge,
  		__entry->inv_rkey
  	)
  );
  
  DEFINE_SENDCOMP_EVENT(send);
  
  TRACE_EVENT(svcrdma_post_recv,
  	TP_PROTO(
  		const struct ib_recv_wr *wr,
  		int status
  	),
  
  	TP_ARGS(wr, status),
  
  	TP_STRUCT__entry(
  		__field(const void *, cqe)
  		__field(int, status)
  	),
  
  	TP_fast_assign(
  		__entry->cqe = wr->wr_cqe;
  		__entry->status = status;
  	),
  
  	TP_printk("cqe=%p status=%d",
  		__entry->cqe, __entry->status
  	)
  );
  
  TRACE_EVENT(svcrdma_wc_receive,
  	TP_PROTO(
  		const struct ib_wc *wc
  	),
  
  	TP_ARGS(wc),
  
  	TP_STRUCT__entry(
  		__field(const void *, cqe)
  		__field(u32, byte_len)
  		__field(unsigned int, status)
  		__field(u32, vendor_err)
  	),
  
  	TP_fast_assign(
  		__entry->cqe = wc->wr_cqe;
  		__entry->status = wc->status;
  		if (wc->status) {
  			__entry->byte_len = 0;
  			__entry->vendor_err = wc->vendor_err;
  		} else {
  			__entry->byte_len = wc->byte_len;
  			__entry->vendor_err = 0;
  		}
  	),
  
  	TP_printk("cqe=%p byte_len=%u status=%s (%u/0x%x)",
  		__entry->cqe, __entry->byte_len,
  		rdma_show_wc_status(__entry->status),
  		__entry->status, __entry->vendor_err
  	)
  );
  
  TRACE_EVENT(svcrdma_post_rw,
  	TP_PROTO(
  		const void *cqe,
  		int sqecount
  	),
  
  	TP_ARGS(cqe, sqecount),
  
  	TP_STRUCT__entry(
  		__field(const void *, cqe)
  		__field(int, sqecount)
  	),
  
  	TP_fast_assign(
  		__entry->cqe = cqe;
  		__entry->sqecount = sqecount;
  	),
  
  	TP_printk("cqe=%p sqecount=%d",
  		__entry->cqe, __entry->sqecount
  	)
  );
  
  DEFINE_SENDCOMP_EVENT(read);
  DEFINE_SENDCOMP_EVENT(write);
  
  TRACE_EVENT(svcrdma_qp_error,
  	TP_PROTO(
  		const struct ib_event *event,
  		const struct sockaddr *sap
  	),
  
  	TP_ARGS(event, sap),
  
  	TP_STRUCT__entry(
  		__field(unsigned int, event)
  		__string(device, event->device->name)
  		__array(__u8, addr, INET6_ADDRSTRLEN + 10)
  	),
  
  	TP_fast_assign(
  		__entry->event = event->event;
  		__assign_str(device, event->device->name);
  		snprintf(__entry->addr, sizeof(__entry->addr) - 1,
  			 "%pISpc", sap);
  	),
  
  	TP_printk("addr=%s dev=%s event=%s (%u)",
  		__entry->addr, __get_str(device),
  		rdma_show_ib_event(__entry->event), __entry->event
  	)
  );
  
  DECLARE_EVENT_CLASS(svcrdma_sendqueue_event,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma
  	),
  
  	TP_ARGS(rdma),
  
  	TP_STRUCT__entry(
  		__field(int, avail)
  		__field(int, depth)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->avail = atomic_read(&rdma->sc_sq_avail);
  		__entry->depth = rdma->sc_sq_depth;
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s sc_sq_avail=%d/%d",
  		__get_str(addr), __entry->avail, __entry->depth
  	)
  );
  
  #define DEFINE_SQ_EVENT(name)						\
  		DEFINE_EVENT(svcrdma_sendqueue_event, svcrdma_sq_##name,\
  				TP_PROTO(				\
  					const struct svcxprt_rdma *rdma \
  				),					\
  				TP_ARGS(rdma))
  
  DEFINE_SQ_EVENT(full);
  DEFINE_SQ_EVENT(retry);
  
  TRACE_EVENT(svcrdma_sq_post_err,
  	TP_PROTO(
  		const struct svcxprt_rdma *rdma,
  		int status
  	),
  
  	TP_ARGS(rdma, status),
  
  	TP_STRUCT__entry(
  		__field(int, avail)
  		__field(int, depth)
  		__field(int, status)
  		__string(addr, rdma->sc_xprt.xpt_remotebuf)
  	),
  
  	TP_fast_assign(
  		__entry->avail = atomic_read(&rdma->sc_sq_avail);
  		__entry->depth = rdma->sc_sq_depth;
  		__entry->status = status;
  		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
  	),
  
  	TP_printk("addr=%s sc_sq_avail=%d/%d status=%d",
  		__get_str(addr), __entry->avail, __entry->depth,
  		__entry->status
  	)
  );
  
  #endif /* _TRACE_RPCRDMA_H */
  
  #include <trace/define_trace.h>
  