linux_kernel/drivers/infiniband/hw/hfi1/trace_ibhdrs.h

/*
 * Copyright(c) 2015, 2016 Intel Corporation.
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * BSD LICENSE
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  - Neither the name of Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#if !defined(__HFI1_TRACE_IBHDRS_H) || defined(TRACE_HEADER_MULTI_READ)
#define __HFI1_TRACE_IBHDRS_H

#include <linux/tracepoint.h>
#include <linux/trace_seq.h>

#include "hfi.h"

#undef TRACE_SYSTEM
#define TRACE_SYSTEM hfi1_ibhdrs

#define ib_opcode_name(opcode) { IB_OPCODE_##opcode, #opcode  }
#define show_ib_opcode(opcode)                             \
__print_symbolic(opcode,                                   \
	ib_opcode_name(RC_SEND_FIRST),                     \
	ib_opcode_name(RC_SEND_MIDDLE),                    \
	ib_opcode_name(RC_SEND_LAST),                      \
	ib_opcode_name(RC_SEND_LAST_WITH_IMMEDIATE),       \
	ib_opcode_name(RC_SEND_ONLY),                      \
	ib_opcode_name(RC_SEND_ONLY_WITH_IMMEDIATE),       \
	ib_opcode_name(RC_RDMA_WRITE_FIRST),               \
	ib_opcode_name(RC_RDMA_WRITE_MIDDLE),              \
	ib_opcode_name(RC_RDMA_WRITE_LAST),                \
	ib_opcode_name(RC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \
	ib_opcode_name(RC_RDMA_WRITE_ONLY),                \
	ib_opcode_name(RC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \
	ib_opcode_name(RC_RDMA_READ_REQUEST),              \
	ib_opcode_name(RC_RDMA_READ_RESPONSE_FIRST),       \
	ib_opcode_name(RC_RDMA_READ_RESPONSE_MIDDLE),      \
	ib_opcode_name(RC_RDMA_READ_RESPONSE_LAST),        \
	ib_opcode_name(RC_RDMA_READ_RESPONSE_ONLY),        \
	ib_opcode_name(RC_ACKNOWLEDGE),                    \
	ib_opcode_name(RC_ATOMIC_ACKNOWLEDGE),             \
	ib_opcode_name(RC_COMPARE_SWAP),                   \
	ib_opcode_name(RC_FETCH_ADD),                      \
	ib_opcode_name(UC_SEND_FIRST),                     \
	ib_opcode_name(UC_SEND_MIDDLE),                    \
	ib_opcode_name(UC_SEND_LAST),                      \
	ib_opcode_name(UC_SEND_LAST_WITH_IMMEDIATE),       \
	ib_opcode_name(UC_SEND_ONLY),                      \
	ib_opcode_name(UC_SEND_ONLY_WITH_IMMEDIATE),       \
	ib_opcode_name(UC_RDMA_WRITE_FIRST),               \
	ib_opcode_name(UC_RDMA_WRITE_MIDDLE),              \
	ib_opcode_name(UC_RDMA_WRITE_LAST),                \
	ib_opcode_name(UC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \
	ib_opcode_name(UC_RDMA_WRITE_ONLY),                \
	ib_opcode_name(UC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \
	ib_opcode_name(UD_SEND_ONLY),                      \
	ib_opcode_name(UD_SEND_ONLY_WITH_IMMEDIATE),       \
	ib_opcode_name(CNP))

u8 ibhdr_exhdr_len(struct ib_header *hdr);
const char *parse_everbs_hdrs(struct trace_seq *p, u8 opcode, void *ehdrs);
u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opah);
u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet);
const char *hfi1_trace_get_packet_type_str(u8 l4);
const char *hfi1_trace_get_packet_str(struct hfi1_packet *packet);
void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
			     u8 *ack, u8 *becn, u8 *fecn, u8 *mig,
			     u8 *se, u8 *pad, u8 *opcode, u8 *tver,
			     u16 *pkey, u32 *psn, u32 *qpn);
void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
			     u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
			     u16 *len, u32 *dlid, u32 *slid);
void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
			      u8 *ack, u8 *mig, u8 *opcode,
			      u8 *pad, u8 *se, u8 *tver,
			      u32 *psn, u32 *qpn);
void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
			      u8 *age, u8 *becn, u8 *fecn,
			      u8 *l4, u8 *rc, u8 *sc,
			      u16 *entropy, u16 *len, u16 *pkey,
			      u32 *dlid, u32 *slid);

const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
			       u8 age, u8 becn, u8 fecn, u8 l4,
			       u8 lnh, const char *lnh_name, u8 lver,
			       u8 rc, u8 sc, u8 sl, u16 entropy,
			       u16 len, u16 pkey, u32 dlid, u32 slid);

const char *hfi1_trace_fmt_bth(struct trace_seq *p, bool bypass,
			       u8 ack, u8 becn, u8 fecn, u8 mig,
			       u8 se, u8 pad, u8 opcode, const char *opname,
			       u8 tver, u16 pkey, u32 psn, u32 qpn);

#define __parse_ib_ehdrs(op, ehdrs) parse_everbs_hdrs(p, op, ehdrs)

#define lrh_name(lrh) { HFI1_##lrh, #lrh }
#define show_lnh(lrh)                    \
__print_symbolic(lrh,                    \
	lrh_name(LRH_BTH),               \
	lrh_name(LRH_GRH))
#define PKT_ENTRY(pkt)	__string(ptype,  hfi1_trace_get_packet_str(packet))
#define PKT_ASSIGN(pkt) __assign_str(ptype, hfi1_trace_get_packet_str(packet))

DECLARE_EVENT_CLASS(hfi1_input_ibhdr_template,
		    TP_PROTO(struct hfi1_devdata *dd,
			     struct hfi1_packet *packet,
			     bool sc5),
		    TP_ARGS(dd, packet, sc5),
		    TP_STRUCT__entry(
			DD_DEV_ENTRY(dd)
			PKT_ENTRY(packet)
			__field(bool, bypass)
			__field(u8, ack)
			__field(u8, age)
			__field(u8, becn)
			__field(u8, fecn)
			__field(u8, l4)
			__field(u8, lnh)
			__field(u8, lver)
			__field(u8, mig)
			__field(u8, opcode)
			__field(u8, pad)
			__field(u8, rc)
			__field(u8, sc)
			__field(u8, se)
			__field(u8, sl)
			__field(u8, tver)
			__field(u16, entropy)
			__field(u16, len)
			__field(u16, pkey)
			__field(u32, dlid)
			__field(u32, psn)
			__field(u32, qpn)
			__field(u32, slid)
			/* extended headers */
			__dynamic_array(u8, ehdrs,
					hfi1_trace_packet_hdr_len(packet))
			),
		    TP_fast_assign(
			DD_DEV_ASSIGN(dd);
			PKT_ASSIGN(packet);

			if (packet->etype == RHF_RCV_TYPE_BYPASS) {
				__entry->bypass = true;
				hfi1_trace_parse_16b_hdr(packet->hdr,
							 &__entry->age,
							 &__entry->becn,
							 &__entry->fecn,
							 &__entry->l4,
							 &__entry->rc,
							 &__entry->sc,
							 &__entry->entropy,
							 &__entry->len,
							 &__entry->pkey,
							 &__entry->dlid,
							 &__entry->slid);

				  hfi1_trace_parse_16b_bth(packet->ohdr,
							   &__entry->ack,
							   &__entry->mig,
							   &__entry->opcode,
							   &__entry->pad,
							   &__entry->se,
							   &__entry->tver,
							   &__entry->psn,
							   &__entry->qpn);
			} else {
				__entry->bypass = false;
				hfi1_trace_parse_9b_hdr(packet->hdr, sc5,
							&__entry->lnh,
							&__entry->lver,
							&__entry->sl,
							&__entry->sc,
							&__entry->len,
							&__entry->dlid,
							&__entry->slid);

				  hfi1_trace_parse_9b_bth(packet->ohdr,
							  &__entry->ack,
							  &__entry->becn,
							  &__entry->fecn,
							  &__entry->mig,
							  &__entry->se,
							  &__entry->pad,
							  &__entry->opcode,
							  &__entry->tver,
							  &__entry->pkey,
							  &__entry->psn,
							  &__entry->qpn);
				}
				/* extended headers */
				memcpy(__get_dynamic_array(ehdrs),
				       &packet->ohdr->u,
				       __get_dynamic_array_len(ehdrs));
			 ),
		    TP_printk("[%s] (%s) %s %s hlen:%d %s",
			      __get_str(dev),
			      __get_str(ptype),
			      hfi1_trace_fmt_lrh(p,
						 __entry->bypass,
						 __entry->age,
						 __entry->becn,
						 __entry->fecn,
						 __entry->l4,
						 __entry->lnh,
						 show_lnh(__entry->lnh),
						 __entry->lver,
						 __entry->rc,
						 __entry->sc,
						 __entry->sl,
						 __entry->entropy,
						 __entry->len,
						 __entry->pkey,
						 __entry->dlid,
						 __entry->slid),
			      hfi1_trace_fmt_bth(p,
						 __entry->bypass,
						 __entry->ack,
						 __entry->becn,
						 __entry->fecn,
						 __entry->mig,
						 __entry->se,
						 __entry->pad,
						 __entry->opcode,
						 show_ib_opcode(__entry->opcode),
						 __entry->tver,
						 __entry->pkey,
						 __entry->psn,
						 __entry->qpn),
			      /* extended headers */
			      __get_dynamic_array_len(ehdrs),
			      __parse_ib_ehdrs(
					__entry->opcode,
					(void *)__get_dynamic_array(ehdrs))
			     )
);

DEFINE_EVENT(hfi1_input_ibhdr_template, input_ibhdr,
	     TP_PROTO(struct hfi1_devdata *dd,
		      struct hfi1_packet *packet, bool sc5),
	     TP_ARGS(dd, packet, sc5));

DECLARE_EVENT_CLASS(hfi1_output_ibhdr_template,
		    TP_PROTO(struct hfi1_devdata *dd,
			     struct hfi1_opa_header *opah, bool sc5),
		    TP_ARGS(dd, opah, sc5),
		    TP_STRUCT__entry(
			DD_DEV_ENTRY(dd)
			__field(bool, bypass)
			__field(u8, ack)
			__field(u8, age)
			__field(u8, becn)
			__field(u8, fecn)
			__field(u8, l4)
			__field(u8, lnh)
			__field(u8, lver)
			__field(u8, mig)
			__field(u8, opcode)
			__field(u8, pad)
			__field(u8, rc)
			__field(u8, sc)
			__field(u8, se)
			__field(u8, sl)
			__field(u8, tver)
			__field(u16, entropy)
			__field(u16, len)
			__field(u16, pkey)
			__field(u32, dlid)
			__field(u32, psn)
			__field(u32, qpn)
			__field(u32, slid)
			/* extended headers */
			__dynamic_array(u8, ehdrs,
					hfi1_trace_opa_hdr_len(opah))
			),
		    TP_fast_assign(
			struct ib_other_headers *ohdr;

			DD_DEV_ASSIGN(dd);

			if (opah->hdr_type)  {
				__entry->bypass = true;
				hfi1_trace_parse_16b_hdr(&opah->opah,
							 &__entry->age,
							 &__entry->becn,
							 &__entry->fecn,
							 &__entry->l4,
							 &__entry->rc,
							 &__entry->sc,
							 &__entry->entropy,
							 &__entry->len,
							 &__entry->pkey,
							 &__entry->dlid,
							 &__entry->slid);

				if (entry->l4 == OPA_16B_L4_IB_LOCAL)
					ohdr = &opah->opah.u.oth;
				else
					ohdr = &opah->opah.u.l.oth;
				hfi1_trace_parse_16b_bth(ohdr,
							 &__entry->ack,
							 &__entry->mig,
							 &__entry->opcode,
							 &__entry->pad,
							 &__entry->se,
							 &__entry->tver,
							 &__entry->psn,
							 &__entry->qpn);
			} else {
				__entry->bypass = false;
				hfi1_trace_parse_9b_hdr(&opah->ibh, sc5,
							&__entry->lnh,
							&__entry->lver,
							&__entry->sl,
							&__entry->sc,
							&__entry->len,
							&__entry->dlid,
							&__entry->slid);
				if (entry->lnh == HFI1_LRH_BTH)
					ohdr = &opah->ibh.u.oth;
				else
					ohdr = &opah->ibh.u.l.oth;
				hfi1_trace_parse_9b_bth(ohdr,
							&__entry->ack,
							&__entry->becn,
							&__entry->fecn,
							&__entry->mig,
							&__entry->se,
							&__entry->pad,
							&__entry->opcode,
							&__entry->tver,
							&__entry->pkey,
							&__entry->psn,
							&__entry->qpn);
			}

			/* extended headers */
			memcpy(__get_dynamic_array(ehdrs),
			       &ohdr->u, __get_dynamic_array_len(ehdrs));
		    ),
		    TP_printk("[%s] (%s) %s %s hlen:%d %s",
			      __get_str(dev),
			      hfi1_trace_get_packet_type_str(__entry->l4),
			      hfi1_trace_fmt_lrh(p,
						 __entry->bypass,
						 __entry->age,
						 __entry->becn,
						 __entry->fecn,
						 __entry->l4,
						 __entry->lnh,
						 show_lnh(__entry->lnh),
						 __entry->lver,
						 __entry->rc,
						 __entry->sc,
						 __entry->sl,
						 __entry->entropy,
						 __entry->len,
						 __entry->pkey,
						 __entry->dlid,
						 __entry->slid),
			      hfi1_trace_fmt_bth(p,
						 __entry->bypass,
						 __entry->ack,
						 __entry->becn,
						 __entry->fecn,
						 __entry->mig,
						 __entry->se,
						 __entry->pad,
						 __entry->opcode,
						 show_ib_opcode(__entry->opcode),
						 __entry->tver,
						 __entry->pkey,
						 __entry->psn,
						 __entry->qpn),
			      /* extended headers */
			      __get_dynamic_array_len(ehdrs),
			      __parse_ib_ehdrs(
					__entry->opcode,
					(void *)__get_dynamic_array(ehdrs))
			     )
);

DEFINE_EVENT(hfi1_output_ibhdr_template, pio_output_ibhdr,
	     TP_PROTO(struct hfi1_devdata *dd,
		      struct hfi1_opa_header *opah, bool sc5),
	     TP_ARGS(dd, opah, sc5));

DEFINE_EVENT(hfi1_output_ibhdr_template, ack_output_ibhdr,
	     TP_PROTO(struct hfi1_devdata *dd,
		      struct hfi1_opa_header *opah, bool sc5),
	     TP_ARGS(dd, opah, sc5));

DEFINE_EVENT(hfi1_output_ibhdr_template, sdma_output_ibhdr,
	     TP_PROTO(struct hfi1_devdata *dd,
		      struct hfi1_opa_header *opah, bool sc5),
	     TP_ARGS(dd, opah, sc5));


#endif /* __HFI1_TRACE_IBHDRS_H */

#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace_ibhdrs
#include <trace/define_trace.h>