drivers/infiniband/hw/hfi1/trace_ibhdrs.h - linux - Git at Google

 /*
  * 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

 u8 ibhdr_exhdr_len(struct ib_header *hdr);
 const char *parse_everbs_hdrs(struct trace_seq *p, u8 opcode, void *ehdrs);

 #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 LRH_PRN "vl %d lver %d sl %d lnh %d,%s dlid %.4x len %d slid %.4x"
 #define BTH_PRN \
 	"op 0x%.2x,%s se %d m %d pad %d tver %d pkey 0x%.4x " \
 	"f %d b %d qpn 0x%.6x a %d psn 0x%.8x"
 #define EHDR_PRN "%s"

 DECLARE_EVENT_CLASS(hfi1_ibhdr_template,
 		    TP_PROTO(struct hfi1_devdata *dd,
 			     struct ib_header *hdr),
 		    TP_ARGS(dd, hdr),
 		    TP_STRUCT__entry(
 			DD_DEV_ENTRY(dd)
 			/* LRH */
 			__field(u8, vl)
 			__field(u8, lver)
 			__field(u8, sl)
 			__field(u8, lnh)
 			__field(u16, dlid)
 			__field(u16, len)
 			__field(u16, slid)
 			/* BTH */
 			__field(u8, opcode)
 			__field(u8, se)
 			__field(u8, m)
 			__field(u8, pad)
 			__field(u8, tver)
 			__field(u16, pkey)
 			__field(u8, f)
 			__field(u8, b)
 			__field(u32, qpn)
 			__field(u8, a)
 			__field(u32, psn)
 			/* extended headers */
 			__dynamic_array(u8, ehdrs, ibhdr_exhdr_len(hdr))
 			),
 		      TP_fast_assign(
 			struct ib_other_headers *ohdr;

 			DD_DEV_ASSIGN(dd);
 			/* LRH */
 			__entry->vl =
 			(u8)(be16_to_cpu(hdr->lrh[0]) >> 12);
 			__entry->lver =
 			(u8)(be16_to_cpu(hdr->lrh[0]) >> 8) & 0xf;
 			__entry->sl =
 			(u8)(be16_to_cpu(hdr->lrh[0]) >> 4) & 0xf;
 			__entry->lnh =
 			(u8)(be16_to_cpu(hdr->lrh[0]) & 3);
 			__entry->dlid =
 			be16_to_cpu(hdr->lrh[1]);
 			/* allow for larger len */
 			__entry->len =
 			be16_to_cpu(hdr->lrh[2]);
 			__entry->slid =
 			be16_to_cpu(hdr->lrh[3]);
 			/* BTH */
 			if (__entry->lnh == HFI1_LRH_BTH)
 			ohdr = &hdr->u.oth;
 			else
 			ohdr = &hdr->u.l.oth;
 			__entry->opcode =
 			(be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff;
 			__entry->se =
 			(be32_to_cpu(ohdr->bth[0]) >> 23) & 1;
 			__entry->m =
 			(be32_to_cpu(ohdr->bth[0]) >> 22) & 1;
 			__entry->pad =
 			(be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
 			__entry->tver =
 			(be32_to_cpu(ohdr->bth[0]) >> 16) & 0xf;
 			__entry->pkey =
 			be32_to_cpu(ohdr->bth[0]) & 0xffff;
 			__entry->f =
 			(be32_to_cpu(ohdr->bth[1]) >> HFI1_FECN_SHIFT) &
 			HFI1_FECN_MASK;
 			__entry->b =
 			(be32_to_cpu(ohdr->bth[1]) >> HFI1_BECN_SHIFT) &
 			HFI1_BECN_MASK;
 			__entry->qpn =
 			be32_to_cpu(ohdr->bth[1]) & RVT_QPN_MASK;
 			__entry->a =
 			(be32_to_cpu(ohdr->bth[2]) >> 31) & 1;
 			/* allow for larger PSN */
 			__entry->psn =
 			be32_to_cpu(ohdr->bth[2]) & 0x7fffffff;
 			/* extended headers */
 			memcpy(__get_dynamic_array(ehdrs), &ohdr->u,
 			       ibhdr_exhdr_len(hdr));
 			),
 		TP_printk("[%s] " LRH_PRN " " BTH_PRN " " EHDR_PRN,
 			  __get_str(dev),
 			  /* LRH */
 			  __entry->vl,
 			  __entry->lver,
 			  __entry->sl,
 			  __entry->lnh, show_lnh(__entry->lnh),
 			  __entry->dlid,
 			  __entry->len,
 			  __entry->slid,
 			  /* BTH */
 			  __entry->opcode, show_ib_opcode(__entry->opcode),
 			  __entry->se,
 			  __entry->m,
 			  __entry->pad,
 			  __entry->tver,
 			  __entry->pkey,
 			  __entry->f,
 			  __entry->b,
 			  __entry->qpn,
 			  __entry->a,
 			  __entry->psn,
 			  /* extended headers */
 			  __parse_ib_ehdrs(
 				__entry->opcode,
 				(void *)__get_dynamic_array(ehdrs))
 			)
 );

 DEFINE_EVENT(hfi1_ibhdr_template, input_ibhdr,
 	     TP_PROTO(struct hfi1_devdata *dd, struct ib_header *hdr),
 	     TP_ARGS(dd, hdr));

 DEFINE_EVENT(hfi1_ibhdr_template, pio_output_ibhdr,
 	     TP_PROTO(struct hfi1_devdata *dd, struct ib_header *hdr),
 	     TP_ARGS(dd, hdr));

 DEFINE_EVENT(hfi1_ibhdr_template, ack_output_ibhdr,
 	     TP_PROTO(struct hfi1_devdata *dd, struct ib_header *hdr),
 	     TP_ARGS(dd, hdr));

 DEFINE_EVENT(hfi1_ibhdr_template, sdma_output_ibhdr,
 	     TP_PROTO(struct hfi1_devdata *dd, struct ib_header *hdr),
 	     TP_ARGS(dd, hdr));

 #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>
	/*
	* 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

	u8 ibhdr_exhdr_len(struct ib_header *hdr);
	const char parse_everbs_hdrs(struct trace_seq p, u8 opcode, void *ehdrs);

	#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 LRH_PRN "vl %d lver %d sl %d lnh %d,%s dlid %.4x len %d slid %.4x"
	#define BTH_PRN \
	"op 0x%.2x,%s se %d m %d pad %d tver %d pkey 0x%.4x " \
	"f %d b %d qpn 0x%.6x a %d psn 0x%.8x"
	#define EHDR_PRN "%s"

	DECLARE_EVENT_CLASS(hfi1_ibhdr_template,
	TP_PROTO(struct hfi1_devdata *dd,
	struct ib_header *hdr),
	TP_ARGS(dd, hdr),
	TP_STRUCT__entry(
	DD_DEV_ENTRY(dd)
	/* LRH */
	__field(u8, vl)
	__field(u8, lver)
	__field(u8, sl)
	__field(u8, lnh)
	__field(u16, dlid)
	__field(u16, len)
	__field(u16, slid)
	/* BTH */
	__field(u8, opcode)
	__field(u8, se)
	__field(u8, m)
	__field(u8, pad)
	__field(u8, tver)
	__field(u16, pkey)
	__field(u8, f)
	__field(u8, b)
	__field(u32, qpn)
	__field(u8, a)
	__field(u32, psn)
	/* extended headers */
	__dynamic_array(u8, ehdrs, ibhdr_exhdr_len(hdr))
	),
	TP_fast_assign(
	struct ib_other_headers *ohdr;

	DD_DEV_ASSIGN(dd);
	/* LRH */
	__entry->vl =
	(u8)(be16_to_cpu(hdr->lrh[0]) >> 12);
	__entry->lver =
	(u8)(be16_to_cpu(hdr->lrh[0]) >> 8) & 0xf;
	__entry->sl =
	(u8)(be16_to_cpu(hdr->lrh[0]) >> 4) & 0xf;
	__entry->lnh =
	(u8)(be16_to_cpu(hdr->lrh[0]) & 3);
	__entry->dlid =
	be16_to_cpu(hdr->lrh[1]);
	/* allow for larger len */
	__entry->len =
	be16_to_cpu(hdr->lrh[2]);
	__entry->slid =
	be16_to_cpu(hdr->lrh[3]);
	/* BTH */
	if (__entry->lnh == HFI1_LRH_BTH)
	ohdr = &hdr->u.oth;
	else
	ohdr = &hdr->u.l.oth;
	__entry->opcode =
	(be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff;
	__entry->se =
	(be32_to_cpu(ohdr->bth[0]) >> 23) & 1;
	__entry->m =
	(be32_to_cpu(ohdr->bth[0]) >> 22) & 1;
	__entry->pad =
	(be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
	__entry->tver =
	(be32_to_cpu(ohdr->bth[0]) >> 16) & 0xf;
	__entry->pkey =
	be32_to_cpu(ohdr->bth[0]) & 0xffff;
	__entry->f =
	(be32_to_cpu(ohdr->bth[1]) >> HFI1_FECN_SHIFT) &
	HFI1_FECN_MASK;
	__entry->b =
	(be32_to_cpu(ohdr->bth[1]) >> HFI1_BECN_SHIFT) &
	HFI1_BECN_MASK;
	__entry->qpn =
	be32_to_cpu(ohdr->bth[1]) & RVT_QPN_MASK;
	__entry->a =
	(be32_to_cpu(ohdr->bth[2]) >> 31) & 1;
	/* allow for larger PSN */
	__entry->psn =
	be32_to_cpu(ohdr->bth[2]) & 0x7fffffff;
	/* extended headers */
	memcpy(__get_dynamic_array(ehdrs), &ohdr->u,
	ibhdr_exhdr_len(hdr));
	),
	TP_printk("[%s] " LRH_PRN " " BTH_PRN " " EHDR_PRN,
	__get_str(dev),
	/* LRH */
	__entry->vl,
	__entry->lver,
	__entry->sl,
	__entry->lnh, show_lnh(__entry->lnh),
	__entry->dlid,
	__entry->len,
	__entry->slid,
	/* BTH */
	__entry->opcode, show_ib_opcode(__entry->opcode),
	__entry->se,
	__entry->m,
	__entry->pad,
	__entry->tver,
	__entry->pkey,
	__entry->f,
	__entry->b,
	__entry->qpn,
	__entry->a,
	__entry->psn,
	/* extended headers */
	__parse_ib_ehdrs(
	__entry->opcode,
	(void *)__get_dynamic_array(ehdrs))
	)
	);

	DEFINE_EVENT(hfi1_ibhdr_template, input_ibhdr,
	TP_PROTO(struct hfi1_devdata dd, struct ib_header hdr),
	TP_ARGS(dd, hdr));

	DEFINE_EVENT(hfi1_ibhdr_template, pio_output_ibhdr,
	TP_PROTO(struct hfi1_devdata dd, struct ib_header hdr),
	TP_ARGS(dd, hdr));

	DEFINE_EVENT(hfi1_ibhdr_template, ack_output_ibhdr,
	TP_PROTO(struct hfi1_devdata dd, struct ib_header hdr),
	TP_ARGS(dd, hdr));

	DEFINE_EVENT(hfi1_ibhdr_template, sdma_output_ibhdr,
	TP_PROTO(struct hfi1_devdata dd, struct ib_header hdr),
	TP_ARGS(dd, hdr));

	#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>