xref: /freebsd/contrib/opencsd/decoder/include/interfaces/trc_pkt_in_i.h (revision c120c5646da1a1d2c4d90fd069a7e2a8d559eb46)
1 /*
2  * \file       trc_pkt_in_i.h
3  * \brief      OpenCSD : Interface for trace protocol packet input
4  *
5  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6  */
7 
8 
9 /*
10  * Redistribution and use in source and binary forms, with or without modification,
11  * are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright notice,
14  * this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  *
20  * 3. Neither the name of the copyright holder nor the names of its contributors
21  * may be used to endorse or promote products derived from this software without
22  * specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #ifndef ARM_TRC_PKT_IN_I_H_INCLUDED
37 #define ARM_TRC_PKT_IN_I_H_INCLUDED
38 
39 #include "trc_abs_typed_base_i.h"
40 
41 /*!
42  * @class IPktDataIn
43  * @ingroup ocsd_interfaces
44  * @brief Interface class providing an input for discrete protocol packets.
45  *
46  * Implemented by trace protocol packet decoders to convert packets into
47  * generic trace elements.
48  *
49  * Packet class used will contain information on the latest packet,
50  * and any intra-packet state.
51  *
52  */
53 template<class P>
54 class IPktDataIn : public ITrcTypedBase
55 {
56 public:
IPktDataIn()57     IPktDataIn() {}; /**< Default constructor. */
~IPktDataIn()58     virtual ~IPktDataIn() {}; /**< Default destructor. */
59 
60     /*!
61      * Interface function to process a single protocol packet.
62      * Pass a trace index for the start of packet and a pointer to a packet when the
63      * datapath operation is OCSD_OP_DATA.
64      *
65      * @param op : Datapath operation.
66      * @param index_sop : Trace index for the start of the packet, 0 if not OCSD_OP_DATA.
67      * @param *p_packet_in : Protocol Packet - when data path operation is OCSD_OP_DATA. null otherwise.
68      *
69      * @return ocsd_datapath_resp_t  : Standard data path response.
70      */
71     virtual ocsd_datapath_resp_t PacketDataIn( const ocsd_datapath_op_t op,
72                                                 const ocsd_trc_index_t index_sop,
73                                                 const P *p_packet_in) = 0;
74 
75 
76 };
77 
78 #endif // ARM_TRC_PKT_IN_I_H_INCLUDED
79 
80 /* End of File trc_proc_pkt_in_i.h */
81