1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * intel_pt_pkt_decoder.h: Intel Processor Tra 2 * intel_pt_pkt_decoder.h: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation. 3 * Copyright (c) 2013-2014, Intel Corporation.
>> 4 *
>> 5 * This program is free software; you can redistribute it and/or modify it
>> 6 * under the terms and conditions of the GNU General Public License,
>> 7 * version 2, as published by the Free Software Foundation.
>> 8 *
>> 9 * This program is distributed in the hope it will be useful, but WITHOUT
>> 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
>> 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
>> 12 * more details.
>> 13 *
5 */ 14 */
6 15
7 #ifndef INCLUDE__INTEL_PT_PKT_DECODER_H__ 16 #ifndef INCLUDE__INTEL_PT_PKT_DECODER_H__
8 #define INCLUDE__INTEL_PT_PKT_DECODER_H__ 17 #define INCLUDE__INTEL_PT_PKT_DECODER_H__
9 18
10 #include <stddef.h> 19 #include <stddef.h>
11 #include <stdint.h> 20 #include <stdint.h>
12 21
13 #define INTEL_PT_PKT_DESC_MAX 256 22 #define INTEL_PT_PKT_DESC_MAX 256
14 23
15 #define INTEL_PT_NEED_MORE_BYTES -1 24 #define INTEL_PT_NEED_MORE_BYTES -1
16 #define INTEL_PT_BAD_PACKET -2 25 #define INTEL_PT_BAD_PACKET -2
17 26
18 #define INTEL_PT_PSB_STR "\002\ 27 #define INTEL_PT_PSB_STR "\002\202\002\202\002\202\002\202" \
19 "\002\ 28 "\002\202\002\202\002\202\002\202"
20 #define INTEL_PT_PSB_LEN 16 29 #define INTEL_PT_PSB_LEN 16
21 30
22 #define INTEL_PT_PKT_MAX_SZ 16 31 #define INTEL_PT_PKT_MAX_SZ 16
23 32
24 #define INTEL_PT_VMX_NR_FLAG 1 <<
25 <<
26 enum intel_pt_pkt_type { 33 enum intel_pt_pkt_type {
27 INTEL_PT_BAD, 34 INTEL_PT_BAD,
28 INTEL_PT_PAD, 35 INTEL_PT_PAD,
29 INTEL_PT_TNT, 36 INTEL_PT_TNT,
30 INTEL_PT_TIP_PGD, 37 INTEL_PT_TIP_PGD,
31 INTEL_PT_TIP_PGE, 38 INTEL_PT_TIP_PGE,
32 INTEL_PT_TSC, 39 INTEL_PT_TSC,
33 INTEL_PT_TMA, 40 INTEL_PT_TMA,
34 INTEL_PT_MODE_EXEC, 41 INTEL_PT_MODE_EXEC,
35 INTEL_PT_MODE_TSX, 42 INTEL_PT_MODE_TSX,
36 INTEL_PT_MTC, 43 INTEL_PT_MTC,
37 INTEL_PT_TIP, 44 INTEL_PT_TIP,
38 INTEL_PT_FUP, 45 INTEL_PT_FUP,
39 INTEL_PT_CYC, 46 INTEL_PT_CYC,
40 INTEL_PT_VMCS, 47 INTEL_PT_VMCS,
41 INTEL_PT_PSB, 48 INTEL_PT_PSB,
42 INTEL_PT_PSBEND, 49 INTEL_PT_PSBEND,
43 INTEL_PT_CBR, 50 INTEL_PT_CBR,
44 INTEL_PT_TRACESTOP, 51 INTEL_PT_TRACESTOP,
45 INTEL_PT_PIP, 52 INTEL_PT_PIP,
46 INTEL_PT_OVF, 53 INTEL_PT_OVF,
47 INTEL_PT_MNT, 54 INTEL_PT_MNT,
48 INTEL_PT_PTWRITE, <<
49 INTEL_PT_PTWRITE_IP, <<
50 INTEL_PT_EXSTOP, <<
51 INTEL_PT_EXSTOP_IP, <<
52 INTEL_PT_MWAIT, <<
53 INTEL_PT_PWRE, <<
54 INTEL_PT_PWRX, <<
55 INTEL_PT_BBP, <<
56 INTEL_PT_BIP, <<
57 INTEL_PT_BEP, <<
58 INTEL_PT_BEP_IP, <<
59 INTEL_PT_CFE, <<
60 INTEL_PT_CFE_IP, <<
61 INTEL_PT_EVD, <<
62 }; 55 };
63 56
64 struct intel_pt_pkt { 57 struct intel_pt_pkt {
65 enum intel_pt_pkt_type type; 58 enum intel_pt_pkt_type type;
66 int count; 59 int count;
67 uint64_t payload; 60 uint64_t payload;
68 }; 61 };
69 62
70 /* <<
71 * Decoding of BIP packets conflicts with sing <<
72 * packets only occur in the context of a bloc <<
73 * context must be recorded and passed to the <<
74 */ <<
75 enum intel_pt_pkt_ctx { <<
76 INTEL_PT_NO_CTX, /* BIP packets <<
77 INTEL_PT_BLK_4_CTX, /* 4-byte BIP <<
78 INTEL_PT_BLK_8_CTX, /* 8-byte BIP <<
79 }; <<
80 <<
81 const char *intel_pt_pkt_name(enum intel_pt_pk 63 const char *intel_pt_pkt_name(enum intel_pt_pkt_type);
82 64
83 int intel_pt_get_packet(const unsigned char *b 65 int intel_pt_get_packet(const unsigned char *buf, size_t len,
84 struct intel_pt_pkt *p !! 66 struct intel_pt_pkt *packet);
85 enum intel_pt_pkt_ctx <<
86 <<
87 void intel_pt_upd_pkt_ctx(const struct intel_p <<
88 enum intel_pt_pkt_ct <<
89 67
90 int intel_pt_pkt_desc(const struct intel_pt_pk 68 int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);
91 69
92 #endif 70 #endif
93 71
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.