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/*
* Copyright (c) 2014-2025, Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PT_PACKET_H
#define PT_PACKET_H
#include <stdint.h>
struct pt_config;
struct pt_packet;
struct pt_packet_ip;
struct pt_packet_tnt;
struct pt_packet_pip;
struct pt_packet_mode;
struct pt_packet_tsc;
struct pt_packet_cbr;
struct pt_packet_tma;
struct pt_packet_mtc;
struct pt_packet_cyc;
struct pt_packet_vmcs;
struct pt_packet_mnt;
struct pt_packet_exstop;
struct pt_packet_mwait;
struct pt_packet_pwre;
struct pt_packet_pwrx;
struct pt_packet_ptw;
struct pt_packet_cfe;
struct pt_packet_evd;
/* Read the payload of an Intel PT packet.
*
* Reads the payload of the packet starting at @pos into @packet.
*
* For pt_pkt_read_psb(), the @packet parameter is omitted; the function
* validates that the payload matches the expected PSB pattern.
*
* Decoding an unknown packet uses @config's decode callback. If the callback
* is NULL, pt_pkt_read_unknown() returns -pte_bad_opc.
*
* Beware that the packet opcode is not checked. The caller is responsible
* for checking the opcode and calling the correct packet read function.
*
* Returns the packet size on success, a negative error code otherwise.
* Returns -pte_bad_packet if the packet payload is corrupt.
* Returns -pte_eos if the packet does not fit into the trace buffer.
* Returns -pte_internal if @packet, @pos, or @config is NULL.
*/
extern int pt_pkt_read_unknown(struct pt_packet *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_psb(const uint8_t *pos, const struct pt_config *config);
extern int pt_pkt_read_ip(struct pt_packet_ip *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_tnt_8(struct pt_packet_tnt *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_tnt_64(struct pt_packet_tnt *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_pip(struct pt_packet_pip *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_mode(struct pt_packet_mode *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_tsc(struct pt_packet_tsc *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_cbr(struct pt_packet_cbr *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_tma(struct pt_packet_tma *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_mtc(struct pt_packet_mtc *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_cyc(struct pt_packet_cyc *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_vmcs(struct pt_packet_vmcs *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_mnt(struct pt_packet_mnt *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_exstop(struct pt_packet_exstop *packet,
const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_mwait(struct pt_packet_mwait *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_pwre(struct pt_packet_pwre *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_pwrx(struct pt_packet_pwrx *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_ptw(struct pt_packet_ptw *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_cfe(struct pt_packet_cfe *packet, const uint8_t *pos,
const struct pt_config *config);
extern int pt_pkt_read_evd(struct pt_packet_evd *packet, const uint8_t *pos,
const struct pt_config *config);
#endif /* PT_PACKET_H */
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