1766f5c51SRuslan Bukin /* 285f87cf4SRuslan Bukin * Copyright (c) 2014-2019, Intel Corporation 3766f5c51SRuslan Bukin * 4766f5c51SRuslan Bukin * Redistribution and use in source and binary forms, with or without 5766f5c51SRuslan Bukin * modification, are permitted provided that the following conditions are met: 6766f5c51SRuslan Bukin * 7766f5c51SRuslan Bukin * * Redistributions of source code must retain the above copyright notice, 8766f5c51SRuslan Bukin * this list of conditions and the following disclaimer. 9766f5c51SRuslan Bukin * * Redistributions in binary form must reproduce the above copyright notice, 10766f5c51SRuslan Bukin * this list of conditions and the following disclaimer in the documentation 11766f5c51SRuslan Bukin * and/or other materials provided with the distribution. 12766f5c51SRuslan Bukin * * Neither the name of Intel Corporation nor the names of its contributors 13766f5c51SRuslan Bukin * may be used to endorse or promote products derived from this software 14766f5c51SRuslan Bukin * without specific prior written permission. 15766f5c51SRuslan Bukin * 16766f5c51SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17766f5c51SRuslan Bukin * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18766f5c51SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19766f5c51SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20766f5c51SRuslan Bukin * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21766f5c51SRuslan Bukin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22766f5c51SRuslan Bukin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23766f5c51SRuslan Bukin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24766f5c51SRuslan Bukin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25766f5c51SRuslan Bukin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26766f5c51SRuslan Bukin * POSSIBILITY OF SUCH DAMAGE. 27766f5c51SRuslan Bukin */ 28766f5c51SRuslan Bukin 29766f5c51SRuslan Bukin #ifndef PT_PACKET_DECODER_H 30766f5c51SRuslan Bukin #define PT_PACKET_DECODER_H 31766f5c51SRuslan Bukin 32766f5c51SRuslan Bukin #include "intel-pt.h" 33766f5c51SRuslan Bukin 34766f5c51SRuslan Bukin 35766f5c51SRuslan Bukin /* An Intel PT packet decoder. */ 36766f5c51SRuslan Bukin struct pt_packet_decoder { 37766f5c51SRuslan Bukin /* The decoder configuration. */ 38766f5c51SRuslan Bukin struct pt_config config; 39766f5c51SRuslan Bukin 40766f5c51SRuslan Bukin /* The current position in the trace buffer. */ 41766f5c51SRuslan Bukin const uint8_t *pos; 42766f5c51SRuslan Bukin 43766f5c51SRuslan Bukin /* The position of the last PSB packet. */ 44766f5c51SRuslan Bukin const uint8_t *sync; 45766f5c51SRuslan Bukin }; 46766f5c51SRuslan Bukin 47766f5c51SRuslan Bukin 48766f5c51SRuslan Bukin /* Initialize the packet decoder. 49766f5c51SRuslan Bukin * 50766f5c51SRuslan Bukin * Returns zero on success, a negative error code otherwise. 51766f5c51SRuslan Bukin */ 52766f5c51SRuslan Bukin extern int pt_pkt_decoder_init(struct pt_packet_decoder *, 53766f5c51SRuslan Bukin const struct pt_config *); 54766f5c51SRuslan Bukin 55766f5c51SRuslan Bukin /* Finalize the packet decoder. */ 56766f5c51SRuslan Bukin extern void pt_pkt_decoder_fini(struct pt_packet_decoder *); 57766f5c51SRuslan Bukin 58766f5c51SRuslan Bukin 59766f5c51SRuslan Bukin /* Decoder functions for the packet decoder. */ 60766f5c51SRuslan Bukin extern int pt_pkt_decode_unknown(struct pt_packet_decoder *, 61766f5c51SRuslan Bukin struct pt_packet *); 62766f5c51SRuslan Bukin extern int pt_pkt_decode_pad(struct pt_packet_decoder *, struct pt_packet *); 63766f5c51SRuslan Bukin extern int pt_pkt_decode_psb(struct pt_packet_decoder *, struct pt_packet *); 64766f5c51SRuslan Bukin extern int pt_pkt_decode_tip(struct pt_packet_decoder *, struct pt_packet *); 65766f5c51SRuslan Bukin extern int pt_pkt_decode_tnt_8(struct pt_packet_decoder *, struct pt_packet *); 66766f5c51SRuslan Bukin extern int pt_pkt_decode_tnt_64(struct pt_packet_decoder *, 67766f5c51SRuslan Bukin struct pt_packet *); 68766f5c51SRuslan Bukin extern int pt_pkt_decode_tip_pge(struct pt_packet_decoder *, 69766f5c51SRuslan Bukin struct pt_packet *); 70766f5c51SRuslan Bukin extern int pt_pkt_decode_tip_pgd(struct pt_packet_decoder *, 71766f5c51SRuslan Bukin struct pt_packet *); 72766f5c51SRuslan Bukin extern int pt_pkt_decode_fup(struct pt_packet_decoder *, struct pt_packet *); 73766f5c51SRuslan Bukin extern int pt_pkt_decode_pip(struct pt_packet_decoder *, struct pt_packet *); 74766f5c51SRuslan Bukin extern int pt_pkt_decode_ovf(struct pt_packet_decoder *, struct pt_packet *); 75766f5c51SRuslan Bukin extern int pt_pkt_decode_mode(struct pt_packet_decoder *, struct pt_packet *); 76766f5c51SRuslan Bukin extern int pt_pkt_decode_psbend(struct pt_packet_decoder *, 77766f5c51SRuslan Bukin struct pt_packet *); 78766f5c51SRuslan Bukin extern int pt_pkt_decode_tsc(struct pt_packet_decoder *, struct pt_packet *); 79766f5c51SRuslan Bukin extern int pt_pkt_decode_cbr(struct pt_packet_decoder *, struct pt_packet *); 80766f5c51SRuslan Bukin extern int pt_pkt_decode_tma(struct pt_packet_decoder *, struct pt_packet *); 81766f5c51SRuslan Bukin extern int pt_pkt_decode_mtc(struct pt_packet_decoder *, struct pt_packet *); 82766f5c51SRuslan Bukin extern int pt_pkt_decode_cyc(struct pt_packet_decoder *, struct pt_packet *); 83766f5c51SRuslan Bukin extern int pt_pkt_decode_stop(struct pt_packet_decoder *, struct pt_packet *); 84766f5c51SRuslan Bukin extern int pt_pkt_decode_vmcs(struct pt_packet_decoder *, struct pt_packet *); 85766f5c51SRuslan Bukin extern int pt_pkt_decode_mnt(struct pt_packet_decoder *, struct pt_packet *); 86766f5c51SRuslan Bukin extern int pt_pkt_decode_exstop(struct pt_packet_decoder *, struct pt_packet *); 87766f5c51SRuslan Bukin extern int pt_pkt_decode_mwait(struct pt_packet_decoder *, struct pt_packet *); 88766f5c51SRuslan Bukin extern int pt_pkt_decode_pwre(struct pt_packet_decoder *, struct pt_packet *); 89766f5c51SRuslan Bukin extern int pt_pkt_decode_pwrx(struct pt_packet_decoder *, struct pt_packet *); 90766f5c51SRuslan Bukin extern int pt_pkt_decode_ptw(struct pt_packet_decoder *, struct pt_packet *); 91766f5c51SRuslan Bukin 92766f5c51SRuslan Bukin #endif /* PT_PACKET_DECODER_H */ 93