drivers/usb/host/xhci-trace.h

   1 /*
   2  * xHCI host controller driver
   3  *
   4  * Copyright (C) 2013 Xenia Ragiadakou
   5  *
   6  * Author: Xenia Ragiadakou
   7  * Email : burzalodowa@gmail.com
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #undef TRACE_SYSTEM
  15 #define TRACE_SYSTEM xhci-hcd
  16
  17 /*
  18  * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
  19  * legitimate C variable. It is not exported to user space.
  20  */
  21 #undef TRACE_SYSTEM_VAR
  22 #define TRACE_SYSTEM_VAR xhci_hcd
  23
  24 #if !defined(__XHCI_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  25 #define __XHCI_TRACE_H
  26
  27 #include <linux/tracepoint.h>
  28 #include "xhci.h"
  29
  30 #define XHCI_MSG_MAX    500
  31
  32 DECLARE_EVENT_CLASS(xhci_log_msg,
  33         TP_PROTO(struct va_format *vaf),
  34         TP_ARGS(vaf),
  35         TP_STRUCT__entry(__dynamic_array(char, msg, XHCI_MSG_MAX)),
  36         TP_fast_assign(
  37                 vsnprintf(__get_str(msg), XHCI_MSG_MAX, vaf->fmt, *vaf->va);
  38         ),
  39         TP_printk("%s", __get_str(msg))
  40 );
  41
  42 DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
  43         TP_PROTO(struct va_format *vaf),
  44         TP_ARGS(vaf)
  45 );
  46
  47 DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
  48         TP_PROTO(struct va_format *vaf),
  49         TP_ARGS(vaf)
  50 );
  51
  52 DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
  53         TP_PROTO(struct va_format *vaf),
  54         TP_ARGS(vaf)
  55 );
  56
  57 DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
  58         TP_PROTO(struct va_format *vaf),
  59         TP_ARGS(vaf)
  60 );
  61
  62 DEFINE_EVENT(xhci_log_msg, xhci_dbg_cancel_urb,
  63         TP_PROTO(struct va_format *vaf),
  64         TP_ARGS(vaf)
  65 );
  66
  67 DEFINE_EVENT(xhci_log_msg, xhci_dbg_init,
  68         TP_PROTO(struct va_format *vaf),
  69         TP_ARGS(vaf)
  70 );
  71
  72 DEFINE_EVENT(xhci_log_msg, xhci_dbg_ring_expansion,
  73         TP_PROTO(struct va_format *vaf),
  74         TP_ARGS(vaf)
  75 );
  76
  77 DECLARE_EVENT_CLASS(xhci_log_ctx,
  78         TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
  79                  unsigned int ep_num),
  80         TP_ARGS(xhci, ctx, ep_num),
  81         TP_STRUCT__entry(
  82                 __field(int, ctx_64)
  83                 __field(unsigned, ctx_type)
  84                 __field(dma_addr_t, ctx_dma)
  85                 __field(u8 *, ctx_va)
  86                 __field(unsigned, ctx_ep_num)
  87                 __field(int, slot_id)
  88                 __dynamic_array(u32, ctx_data,
  89                         ((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 8) *
  90                         ((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1))
  91         ),
  92         TP_fast_assign(
  93                 struct usb_device *udev;
  94
  95                 udev = to_usb_device(xhci_to_hcd(xhci)->self.controller);
  96                 __entry->ctx_64 = HCC_64BYTE_CONTEXT(xhci->hcc_params);
  97                 __entry->ctx_type = ctx->type;
  98                 __entry->ctx_dma = ctx->dma;
  99                 __entry->ctx_va = ctx->bytes;
 100                 __entry->slot_id = udev->slot_id;
 101                 __entry->ctx_ep_num = ep_num;
 102                 memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
 103                         ((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 32) *
 104                         ((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1));
 105         ),
 106         TP_printk("\nctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
 107                         __entry->ctx_64, __entry->ctx_type,
 108                         (unsigned long long) __entry->ctx_dma, __entry->ctx_va
 109         )
 110 );
 111
 112 DEFINE_EVENT(xhci_log_ctx, xhci_address_ctx,
 113         TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
 114                  unsigned int ep_num),
 115         TP_ARGS(xhci, ctx, ep_num)
 116 );
 117
 118 DECLARE_EVENT_CLASS(xhci_log_event,
 119         TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
 120         TP_ARGS(trb_va, ev),
 121         TP_STRUCT__entry(
 122                 __field(void *, va)
 123                 __field(u64, dma)
 124                 __field(u32, status)
 125                 __field(u32, flags)
 126                 __dynamic_array(u8, trb, sizeof(struct xhci_generic_trb))
 127         ),
 128         TP_fast_assign(
 129                 __entry->va = trb_va;
 130                 __entry->dma = ((u64)le32_to_cpu(ev->field[1])) << 32 |
 131                                         le32_to_cpu(ev->field[0]);
 132                 __entry->status = le32_to_cpu(ev->field[2]);
 133                 __entry->flags = le32_to_cpu(ev->field[3]);
 134                 memcpy(__get_dynamic_array(trb), trb_va,
 135                         sizeof(struct xhci_generic_trb));
 136         ),
 137         TP_printk("\ntrb_dma=@%llx, trb_va=@%p, status=%08x, flags=%08x",
 138                         (unsigned long long) __entry->dma, __entry->va,
 139                         __entry->status, __entry->flags
 140         )
 141 );
 142
 143 DEFINE_EVENT(xhci_log_event, xhci_cmd_completion,
 144         TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
 145         TP_ARGS(trb_va, ev)
 146 );
 147
 148 #endif /* __XHCI_TRACE_H */
 149
 150 /* this part must be outside header guard */
 151
 152 #undef TRACE_INCLUDE_PATH
 153 #define TRACE_INCLUDE_PATH .
 154
 155 #undef TRACE_INCLUDE_FILE
 156 #define TRACE_INCLUDE_FILE xhci-trace
 157
 158 #include <trace/define_trace.h>