cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

dpaa2-eth-trace.h (4416B)

      1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
      2/* Copyright 2014-2015 Freescale Semiconductor Inc.
      3 */
      4
      5#undef TRACE_SYSTEM
      6#define TRACE_SYSTEM	dpaa2_eth
      7
      8#if !defined(_DPAA2_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
      9#define _DPAA2_ETH_TRACE_H
     10
     11#include <linux/skbuff.h>
     12#include <linux/netdevice.h>
     13#include <linux/tracepoint.h>
     14
     15#define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u"
     16/* trace_printk format for raw buffer event class */
     17#define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d"
     18
     19/* This is used to declare a class of events.
     20 * individual events of this type will be defined below.
     21 */
     22
     23/* Store details about a frame descriptor */
     24DECLARE_EVENT_CLASS(dpaa2_eth_fd,
     25		    /* Trace function prototype */
     26		    TP_PROTO(struct net_device *netdev,
     27			     const struct dpaa2_fd *fd),
     28
     29		    /* Repeat argument list here */
     30		    TP_ARGS(netdev, fd),
     31
     32		    /* A structure containing the relevant information we want
     33		     * to record. Declare name and type for each normal element,
     34		     * name, type and size for arrays. Use __string for variable
     35		     * length strings.
     36		     */
     37		    TP_STRUCT__entry(
     38				     __field(u64, fd_addr)
     39				     __field(u32, fd_len)
     40				     __field(u16, fd_offset)
     41				     __string(name, netdev->name)
     42		    ),
     43
     44		    /* The function that assigns values to the above declared
     45		     * fields
     46		     */
     47		    TP_fast_assign(
     48				   __entry->fd_addr = dpaa2_fd_get_addr(fd);
     49				   __entry->fd_len = dpaa2_fd_get_len(fd);
     50				   __entry->fd_offset = dpaa2_fd_get_offset(fd);
     51				   __assign_str(name, netdev->name);
     52		    ),
     53
     54		    /* This is what gets printed when the trace event is
     55		     * triggered.
     56		     */
     57		    TP_printk(TR_FMT,
     58			      __get_str(name),
     59			      __entry->fd_addr,
     60			      __entry->fd_len,
     61			      __entry->fd_offset)
     62);
     63
     64/* Now declare events of the above type. Format is:
     65 * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
     66 */
     67
     68/* Tx (egress) fd */
     69DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd,
     70	     TP_PROTO(struct net_device *netdev,
     71		      const struct dpaa2_fd *fd),
     72
     73	     TP_ARGS(netdev, fd)
     74);
     75
     76/* Rx fd */
     77DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd,
     78	     TP_PROTO(struct net_device *netdev,
     79		      const struct dpaa2_fd *fd),
     80
     81	     TP_ARGS(netdev, fd)
     82);
     83
     84/* Tx confirmation fd */
     85DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd,
     86	     TP_PROTO(struct net_device *netdev,
     87		      const struct dpaa2_fd *fd),
     88
     89	     TP_ARGS(netdev, fd)
     90);
     91
     92/* Log data about raw buffers. Useful for tracing DPBP content. */
     93TRACE_EVENT(dpaa2_eth_buf_seed,
     94	    /* Trace function prototype */
     95	    TP_PROTO(struct net_device *netdev,
     96		     /* virtual address and size */
     97		     void *vaddr,
     98		     size_t size,
     99		     /* dma map address and size */
    100		     dma_addr_t dma_addr,
    101		     size_t map_size,
    102		     /* buffer pool id, if relevant */
    103		     u16 bpid),
    104
    105	    /* Repeat argument list here */
    106	    TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid),
    107
    108	    /* A structure containing the relevant information we want
    109	     * to record. Declare name and type for each normal element,
    110	     * name, type and size for arrays. Use __string for variable
    111	     * length strings.
    112	     */
    113	    TP_STRUCT__entry(
    114			     __field(void *, vaddr)
    115			     __field(size_t, size)
    116			     __field(dma_addr_t, dma_addr)
    117			     __field(size_t, map_size)
    118			     __field(u16, bpid)
    119			     __string(name, netdev->name)
    120	    ),
    121
    122	    /* The function that assigns values to the above declared
    123	     * fields
    124	     */
    125	    TP_fast_assign(
    126			   __entry->vaddr = vaddr;
    127			   __entry->size = size;
    128			   __entry->dma_addr = dma_addr;
    129			   __entry->map_size = map_size;
    130			   __entry->bpid = bpid;
    131			   __assign_str(name, netdev->name);
    132	    ),
    133
    134	    /* This is what gets printed when the trace event is
    135	     * triggered.
    136	     */
    137	    TP_printk(TR_BUF_FMT,
    138		      __get_str(name),
    139		      __entry->vaddr,
    140		      __entry->size,
    141		      &__entry->dma_addr,
    142		      __entry->map_size,
    143		      __entry->bpid)
    144);
    145
    146/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
    147 * The syntax is the same as for DECLARE_EVENT_CLASS().
    148 */
    149
    150#endif /* _DPAA2_ETH_TRACE_H */
    151
    152/* This must be outside ifdef _DPAA2_ETH_TRACE_H */
    153#undef TRACE_INCLUDE_PATH
    154#define TRACE_INCLUDE_PATH .
    155#undef TRACE_INCLUDE_FILE
    156#define TRACE_INCLUDE_FILE	dpaa2-eth-trace
    157#include <trace/define_trace.h>