drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth-trace.h - arm/linux - Git at Google

 /* Copyright 2014-2015 Freescale Semiconductor Inc.
  *
  * 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 Freescale Semiconductor nor the
  *	 names of its contributors may be used to endorse or promote products
  *	 derived from this software without specific prior written permission.
  *
  *
  * ALTERNATIVELY, this software may be distributed under the terms of the
  * GNU General Public License ("GPL") as published by the Free Software
  * Foundation, either version 2 of that License or (at your option) any
  * later version.
  *
  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
  */

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM	dpaa2_eth

 #if !defined(_DPAA2_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _DPAA2_ETH_TRACE_H

 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include "dpaa2-eth.h"
 #include <linux/tracepoint.h>

 #define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u"
 /* trace_printk format for raw buffer event class */
 #define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d"

 /* This is used to declare a class of events.
  * individual events of this type will be defined below.
  */

 /* Store details about a frame descriptor */
 DECLARE_EVENT_CLASS(dpaa2_eth_fd,
 		    /* Trace function prototype */
 		    TP_PROTO(struct net_device *netdev,
 			     const struct dpaa2_fd *fd),

 		    /* Repeat argument list here */
 		    TP_ARGS(netdev, fd),

 		    /* A structure containing the relevant information we want
 		     * to record. Declare name and type for each normal element,
 		     * name, type and size for arrays. Use __string for variable
 		     * length strings.
 		     */
 		    TP_STRUCT__entry(
 				     __field(u64, fd_addr)
 				     __field(u32, fd_len)
 				     __field(u16, fd_offset)
 				     __string(name, netdev->name)
 		    ),

 		    /* The function that assigns values to the above declared
 		     * fields
 		     */
 		    TP_fast_assign(
 				   __entry->fd_addr = dpaa2_fd_get_addr(fd);
 				   __entry->fd_len = dpaa2_fd_get_len(fd);
 				   __entry->fd_offset = dpaa2_fd_get_offset(fd);
 				   __assign_str(name, netdev->name);
 		    ),

 		    /* This is what gets printed when the trace event is
 		     * triggered.
 		     */
 		    TP_printk(TR_FMT,
 			      __get_str(name),
 			      __entry->fd_addr,
 			      __entry->fd_len,
 			      __entry->fd_offset)
 );

 /* Now declare events of the above type. Format is:
  * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
  */

 /* Tx (egress) fd */
 DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd,
 	     TP_PROTO(struct net_device *netdev,
 		      const struct dpaa2_fd *fd),

 	     TP_ARGS(netdev, fd)
 );

 /* Rx fd */
 DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd,
 	     TP_PROTO(struct net_device *netdev,
 		      const struct dpaa2_fd *fd),

 	     TP_ARGS(netdev, fd)
 );

 /* Tx confirmation fd */
 DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd,
 	     TP_PROTO(struct net_device *netdev,
 		      const struct dpaa2_fd *fd),

 	     TP_ARGS(netdev, fd)
 );

 /* Log data about raw buffers. Useful for tracing DPBP content. */
 TRACE_EVENT(dpaa2_eth_buf_seed,
 	    /* Trace function prototype */
 	    TP_PROTO(struct net_device *netdev,
 		     /* virtual address and size */
 		     void *vaddr,
 		     size_t size,
 		     /* dma map address and size */
 		     dma_addr_t dma_addr,
 		     size_t map_size,
 		     /* buffer pool id, if relevant */
 		     u16 bpid),

 	    /* Repeat argument list here */
 	    TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid),

 	    /* A structure containing the relevant information we want
 	     * to record. Declare name and type for each normal element,
 	     * name, type and size for arrays. Use __string for variable
 	     * length strings.
 	     */
 	    TP_STRUCT__entry(
 			     __field(void *, vaddr)
 			     __field(size_t, size)
 			     __field(dma_addr_t, dma_addr)
 			     __field(size_t, map_size)
 			     __field(u16, bpid)
 			     __string(name, netdev->name)
 	    ),

 	    /* The function that assigns values to the above declared
 	     * fields
 	     */
 	    TP_fast_assign(
 			   __entry->vaddr = vaddr;
 			   __entry->size = size;
 			   __entry->dma_addr = dma_addr;
 			   __entry->map_size = map_size;
 			   __entry->bpid = bpid;
 			   __assign_str(name, netdev->name);
 	    ),

 	    /* This is what gets printed when the trace event is
 	     * triggered.
 	     */
 	    TP_printk(TR_BUF_FMT,
 		      __get_str(name),
 		      __entry->vaddr,
 		      __entry->size,
 		      &__entry->dma_addr,
 		      __entry->map_size,
 		      __entry->bpid)
 );

 /* If only one event of a certain type needs to be declared, use TRACE_EVENT().
  * The syntax is the same as for DECLARE_EVENT_CLASS().
  */

 #endif /* _DPAA2_ETH_TRACE_H */

 /* This must be outside ifdef _DPAA2_ETH_TRACE_H */
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #undef TRACE_INCLUDE_FILE
 #define TRACE_INCLUDE_FILE	dpaa2-eth-trace
 #include <trace/define_trace.h>
	/* Copyright 2014-2015 Freescale Semiconductor Inc.
	*
	* 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 Freescale Semiconductor nor the
	* names of its contributors may be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	*
	* ALTERNATIVELY, this software may be distributed under the terms of the
	* GNU General Public License ("GPL") as published by the Free Software
	* Foundation, either version 2 of that License or (at your option) any
	* later version.
	*
	* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
	*/

	#undef TRACE_SYSTEM
	#define TRACE_SYSTEM dpaa2_eth

	#if !defined(_DPAA2_ETH_TRACE_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	#define _DPAA2_ETH_TRACE_H

	#include <linux/skbuff.h>
	#include <linux/netdevice.h>
	#include "dpaa2-eth.h"
	#include <linux/tracepoint.h>

	#define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u"
	/* trace_printk format for raw buffer event class */
	#define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d"

	/* This is used to declare a class of events.
	* individual events of this type will be defined below.
	*/

	/* Store details about a frame descriptor */
	DECLARE_EVENT_CLASS(dpaa2_eth_fd,
	/* Trace function prototype */
	TP_PROTO(struct net_device *netdev,
	const struct dpaa2_fd *fd),

	/* Repeat argument list here */
	TP_ARGS(netdev, fd),

	/* A structure containing the relevant information we want
	* to record. Declare name and type for each normal element,
	* name, type and size for arrays. Use __string for variable
	* length strings.
	*/
	TP_STRUCT__entry(
	__field(u64, fd_addr)
	__field(u32, fd_len)
	__field(u16, fd_offset)
	__string(name, netdev->name)
	),

	/* The function that assigns values to the above declared
	* fields
	*/
	TP_fast_assign(
	__entry->fd_addr = dpaa2_fd_get_addr(fd);
	__entry->fd_len = dpaa2_fd_get_len(fd);
	__entry->fd_offset = dpaa2_fd_get_offset(fd);
	__assign_str(name, netdev->name);
	),

	/* This is what gets printed when the trace event is
	* triggered.
	*/
	TP_printk(TR_FMT,
	__get_str(name),
	__entry->fd_addr,
	__entry->fd_len,
	__entry->fd_offset)
	);

	/* Now declare events of the above type. Format is:
	* DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
	*/

	/* Tx (egress) fd */
	DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd,
	TP_PROTO(struct net_device *netdev,
	const struct dpaa2_fd *fd),

	TP_ARGS(netdev, fd)
	);

	/* Rx fd */
	DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd,
	TP_PROTO(struct net_device *netdev,
	const struct dpaa2_fd *fd),

	TP_ARGS(netdev, fd)
	);

	/* Tx confirmation fd */
	DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd,
	TP_PROTO(struct net_device *netdev,
	const struct dpaa2_fd *fd),

	TP_ARGS(netdev, fd)
	);

	/* Log data about raw buffers. Useful for tracing DPBP content. */
	TRACE_EVENT(dpaa2_eth_buf_seed,
	/* Trace function prototype */
	TP_PROTO(struct net_device *netdev,
	/* virtual address and size */
	void *vaddr,
	size_t size,
	/* dma map address and size */
	dma_addr_t dma_addr,
	size_t map_size,
	/* buffer pool id, if relevant */
	u16 bpid),

	/* Repeat argument list here */
	TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid),

	/* A structure containing the relevant information we want
	* to record. Declare name and type for each normal element,
	* name, type and size for arrays. Use __string for variable
	* length strings.
	*/
	TP_STRUCT__entry(
	__field(void *, vaddr)
	__field(size_t, size)
	__field(dma_addr_t, dma_addr)
	__field(size_t, map_size)
	__field(u16, bpid)
	__string(name, netdev->name)
	),

	/* The function that assigns values to the above declared
	* fields
	*/
	TP_fast_assign(
	__entry->vaddr = vaddr;
	__entry->size = size;
	__entry->dma_addr = dma_addr;
	__entry->map_size = map_size;
	__entry->bpid = bpid;
	__assign_str(name, netdev->name);
	),

	/* This is what gets printed when the trace event is
	* triggered.
	*/
	TP_printk(TR_BUF_FMT,
	__get_str(name),
	__entry->vaddr,
	__entry->size,
	&__entry->dma_addr,
	__entry->map_size,
	__entry->bpid)
	);

	/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
	* The syntax is the same as for DECLARE_EVENT_CLASS().
	*/

	#endif /* _DPAA2_ETH_TRACE_H */

	/* This must be outside ifdef _DPAA2_ETH_TRACE_H */
	#undef TRACE_INCLUDE_PATH
	#define TRACE_INCLUDE_PATH .
	#undef TRACE_INCLUDE_FILE
	#define TRACE_INCLUDE_FILE dpaa2-eth-trace
	#include <trace/define_trace.h>