xprtrdma: Add trace points to instrument QP and CQ access upcalls

DEFINE_RXPRT_EVENT(xprtrdma_reconnect);

DEFINE_RXPRT_EVENT(xprtrdma_inject_dsc);

TRACE_EVENT(xprtrdma_qp_error,

	TP_PROTO(

		const struct rpcrdma_xprt *r_xprt,

		const struct ib_event *event

	),

	TP_ARGS(r_xprt, event),

	TP_STRUCT__entry(

		__field(const void *, r_xprt)

		__field(unsigned int, event)

		__string(name, event->device->name)

		__string(addr, rpcrdma_addrstr(r_xprt))

		__string(port, rpcrdma_portstr(r_xprt))

	),

	TP_fast_assign(

		__entry->r_xprt = r_xprt;

		__entry->event = event->event;

		__assign_str(name, event->device->name);

		__assign_str(addr, rpcrdma_addrstr(r_xprt));

		__assign_str(port, rpcrdma_portstr(r_xprt));

	),

	TP_printk("peer=[%s]:%s r_xprt=%p: dev %s: %s (%u)",

		__get_str(addr), __get_str(port), __entry->r_xprt,

		__get_str(name), rdma_show_ib_event(__entry->event),

		__entry->event

	)

);

/**

 ** Call events

 **/

rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context)

{

	struct rpcrdma_ep *ep = context;

	struct rpcrdma_xprt *r_xprt = container_of(ep, struct rpcrdma_xprt,

						   rx_ep);

	trace_xprtrdma_qp_error(r_xprt, event);

	pr_err("rpcrdma: %s on device %s ep %p\n",

	       ib_event_msg(event->event), event->device->name, context);