1 /*
2  * Copyright(c) 2015 - 2018 Intel Corporation.
3  *
4  * This file is provided under a dual BSD/GPLv2 license.  When using or
5  * redistributing this file, you may do so under either license.
6  *
7  * GPL LICENSE SUMMARY
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of version 2 of the GNU General Public License as
11  * published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * BSD LICENSE
19  *
20  * Redistribution and use in source and binary forms, with or without
21  * modification, are permitted provided that the following conditions
22  * are met:
23  *
24  *  - Redistributions of source code must retain the above copyright
25  *    notice, this list of conditions and the following disclaimer.
26  *  - Redistributions in binary form must reproduce the above copyright
27  *    notice, this list of conditions and the following disclaimer in
28  *    the documentation and/or other materials provided with the
29  *    distribution.
30  *  - Neither the name of Intel Corporation nor the names of its
31  *    contributors may be used to endorse or promote products derived
32  *    from this software without specific prior written permission.
33  *
34  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
37  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45  *
46  */
47 #if !defined(__HFI1_TRACE_RX_H) || defined(TRACE_HEADER_MULTI_READ)
48 #define __HFI1_TRACE_RX_H
49 
50 #include <linux/tracepoint.h>
51 #include <linux/trace_seq.h>
52 
53 #include "hfi.h"
54 
55 #define tidtype_name(type) { PT_##type, #type }
56 #define show_tidtype(type)                   \
57 __print_symbolic(type,                       \
58 	tidtype_name(EXPECTED),              \
59 	tidtype_name(EAGER),                 \
60 	tidtype_name(INVALID))               \
61 
62 #undef TRACE_SYSTEM
63 #define TRACE_SYSTEM hfi1_rx
64 
65 TRACE_EVENT(hfi1_rcvhdr,
66 	    TP_PROTO(struct hfi1_packet *packet),
67 	    TP_ARGS(packet),
68 	    TP_STRUCT__entry(DD_DEV_ENTRY(packet->rcd->dd)
69 			     __field(u64, eflags)
70 			     __field(u32, ctxt)
71 			     __field(u32, etype)
72 			     __field(u32, hlen)
73 			     __field(u32, tlen)
74 			     __field(u32, updegr)
75 			     __field(u32, etail)
76 			     ),
77 	     TP_fast_assign(DD_DEV_ASSIGN(packet->rcd->dd);
78 			    __entry->eflags = rhf_err_flags(packet->rhf);
79 			    __entry->ctxt = packet->rcd->ctxt;
80 			    __entry->etype = packet->etype;
81 			    __entry->hlen = packet->hlen;
82 			    __entry->tlen = packet->tlen;
83 			    __entry->updegr = packet->updegr;
84 			    __entry->etail = rhf_egr_index(packet->rhf);
85 			    ),
86 	     TP_printk(
87 		"[%s] ctxt %d eflags 0x%llx etype %d,%s hlen %d tlen %d updegr %d etail %d",
88 		__get_str(dev),
89 		__entry->ctxt,
90 		__entry->eflags,
91 		__entry->etype, show_packettype(__entry->etype),
92 		__entry->hlen,
93 		__entry->tlen,
94 		__entry->updegr,
95 		__entry->etail
96 		)
97 );
98 
99 TRACE_EVENT(hfi1_receive_interrupt,
100 	    TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd),
101 	    TP_ARGS(dd, rcd),
102 	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
103 			     __field(u32, ctxt)
104 			     __field(u8, slow_path)
105 			     __field(u8, dma_rtail)
106 			     ),
107 	    TP_fast_assign(DD_DEV_ASSIGN(dd);
108 			__entry->ctxt = rcd->ctxt;
109 			if (rcd->do_interrupt ==
110 			    &handle_receive_interrupt) {
111 				__entry->slow_path = 1;
112 				__entry->dma_rtail = 0xFF;
113 			} else if (rcd->do_interrupt ==
114 					&handle_receive_interrupt_dma_rtail){
115 				__entry->dma_rtail = 1;
116 				__entry->slow_path = 0;
117 			} else if (rcd->do_interrupt ==
118 					&handle_receive_interrupt_nodma_rtail) {
119 				__entry->dma_rtail = 0;
120 				__entry->slow_path = 0;
121 			}
122 			),
123 	    TP_printk("[%s] ctxt %d SlowPath: %d DmaRtail: %d",
124 		      __get_str(dev),
125 		      __entry->ctxt,
126 		      __entry->slow_path,
127 		      __entry->dma_rtail
128 		      )
129 );
130 
131 TRACE_EVENT(hfi1_mmu_invalidate,
132 	    TP_PROTO(unsigned int ctxt, u16 subctxt, const char *type,
133 		     unsigned long start, unsigned long end),
134 	    TP_ARGS(ctxt, subctxt, type, start, end),
135 	    TP_STRUCT__entry(
136 			     __field(unsigned int, ctxt)
137 			     __field(u16, subctxt)
138 			     __string(type, type)
139 			     __field(unsigned long, start)
140 			     __field(unsigned long, end)
141 			     ),
142 	    TP_fast_assign(
143 			__entry->ctxt = ctxt;
144 			__entry->subctxt = subctxt;
145 			__assign_str(type, type);
146 			__entry->start = start;
147 			__entry->end = end;
148 	    ),
149 	    TP_printk("[%3u:%02u] MMU Invalidate (%s) 0x%lx - 0x%lx",
150 		      __entry->ctxt,
151 		      __entry->subctxt,
152 		      __get_str(type),
153 		      __entry->start,
154 		      __entry->end
155 		      )
156 	    );
157 
158 #endif /* __HFI1_TRACE_RX_H */
159 
160 #undef TRACE_INCLUDE_PATH
161 #undef TRACE_INCLUDE_FILE
162 #define TRACE_INCLUDE_PATH .
163 #define TRACE_INCLUDE_FILE trace_rx
164 #include <trace/define_trace.h>
165