81 static int intel_pt_get_long_tnt(const unsigned char *buf, size_t len,  in intel_pt_get_long_tnt()  argument
90 	payload = le64_to_cpu(*(uint64_t *)buf);  in intel_pt_get_long_tnt()
104 static int intel_pt_get_pip(const unsigned char *buf, size_t len,  in intel_pt_get_pip()  argument
113 	memcpy_le64(&payload, buf + 2, 6);  in intel_pt_get_pip()
127 static int intel_pt_get_cbr(const unsigned char *buf, size_t len,  in intel_pt_get_cbr()  argument
133 	packet->payload = le16_to_cpu(*(uint16_t *)(buf + 2));  in intel_pt_get_cbr()
137 static int intel_pt_get_vmcs(const unsigned char *buf, size_t len,  in intel_pt_get_vmcs()  argument
150 	memcpy_le64(&packet->payload, buf + 2, count);  in intel_pt_get_vmcs()
161 static int intel_pt_get_psb(const unsigned char *buf, size_t len,  in intel_pt_get_psb()  argument
170 		if (buf[i] != 2 || buf[i + 1] != 0x82)  in intel_pt_get_psb()
184 static int intel_pt_get_tma(const unsigned char *buf, size_t len,  in intel_pt_get_tma()  argument
191 	packet->payload = buf[2] | (buf[3] << 8);  in intel_pt_get_tma()
192 	packet->count = buf[5] | ((buf[6] & BIT(0)) << 8);  in intel_pt_get_tma()
202 static int intel_pt_get_mnt(const unsigned char *buf, size_t len,  in intel_pt_get_mnt()  argument
208 	memcpy_le64(&packet->payload, buf + 3, 8);  in intel_pt_get_mnt()
213 static int intel_pt_get_3byte(const unsigned char *buf, size_t len,  in intel_pt_get_3byte()  argument
219 	switch (buf[2]) {  in intel_pt_get_3byte()
221 		return intel_pt_get_mnt(buf, len, packet);  in intel_pt_get_3byte()
227 static int intel_pt_get_ptwrite(const unsigned char *buf, size_t len,  in intel_pt_get_ptwrite()  argument
230 	packet->count = (buf[1] >> 5) & 0x3;  in intel_pt_get_ptwrite()
231 	packet->type = buf[1] & BIT(7) ? INTEL_PT_PTWRITE_IP :  in intel_pt_get_ptwrite()
238 		packet->payload = le32_to_cpu(*(uint32_t *)(buf + 2));  in intel_pt_get_ptwrite()
243 		packet->payload = le64_to_cpu(*(uint64_t *)(buf + 2));  in intel_pt_get_ptwrite()
262 static int intel_pt_get_mwait(const unsigned char *buf, size_t len,  in intel_pt_get_mwait()  argument
268 	packet->payload = le64_to_cpu(*(uint64_t *)(buf + 2));  in intel_pt_get_mwait()
272 static int intel_pt_get_pwre(const unsigned char *buf, size_t len,  in intel_pt_get_pwre()  argument
278 	memcpy_le64(&packet->payload, buf + 2, 2);  in intel_pt_get_pwre()
282 static int intel_pt_get_pwrx(const unsigned char *buf, size_t len,  in intel_pt_get_pwrx()  argument
288 	memcpy_le64(&packet->payload, buf + 2, 5);  in intel_pt_get_pwrx()
292 static int intel_pt_get_ext(const unsigned char *buf, size_t len,  in intel_pt_get_ext()  argument
298 	if ((buf[1] & 0x1f) == 0x12)  in intel_pt_get_ext()
299 		return intel_pt_get_ptwrite(buf, len, packet);  in intel_pt_get_ext()
301 	switch (buf[1]) {  in intel_pt_get_ext()
303 		return intel_pt_get_long_tnt(buf, len, packet);  in intel_pt_get_ext()
305 		return intel_pt_get_pip(buf, len, packet);  in intel_pt_get_ext()
309 		return intel_pt_get_cbr(buf, len, packet);  in intel_pt_get_ext()
311 		return intel_pt_get_vmcs(buf, len, packet);  in intel_pt_get_ext()
315 		return intel_pt_get_psb(buf, len, packet);  in intel_pt_get_ext()
319 		return intel_pt_get_tma(buf, len, packet);  in intel_pt_get_ext()
321 		return intel_pt_get_3byte(buf, len, packet);  in intel_pt_get_ext()
327 		return intel_pt_get_mwait(buf, len, packet);  in intel_pt_get_ext()
329 		return intel_pt_get_pwre(buf, len, packet);  in intel_pt_get_ext()
331 		return intel_pt_get_pwrx(buf, len, packet);  in intel_pt_get_ext()
355 static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf,  in intel_pt_get_cyc()  argument
368 		byte = buf[offs++];  in intel_pt_get_cyc()
378 			   const unsigned char *buf, size_t len,  in intel_pt_get_ip()  argument
393 		packet->payload = le16_to_cpu(*(uint16_t *)(buf + 1));  in intel_pt_get_ip()
399 		packet->payload = le32_to_cpu(*(uint32_t *)(buf + 1));  in intel_pt_get_ip()
406 		memcpy_le64(&packet->payload, buf + 1, 6);  in intel_pt_get_ip()
412 		packet->payload = le64_to_cpu(*(uint64_t *)(buf + 1));  in intel_pt_get_ip()
423 static int intel_pt_get_mode(const unsigned char *buf, size_t len,  in intel_pt_get_mode()  argument
429 	switch (buf[1] >> 5) {  in intel_pt_get_mode()
432 		switch (buf[1] & 3) {  in intel_pt_get_mode()
448 		if ((buf[1] & 3) == 3)  in intel_pt_get_mode()
450 		packet->payload = buf[1] & 3;  in intel_pt_get_mode()
459 static int intel_pt_get_tsc(const unsigned char *buf, size_t len,  in intel_pt_get_tsc()  argument
465 	memcpy_le64(&packet->payload, buf + 1, 7);  in intel_pt_get_tsc()
469 static int intel_pt_get_mtc(const unsigned char *buf, size_t len,  in intel_pt_get_mtc()  argument
475 	packet->payload = buf[1];  in intel_pt_get_mtc()
479 static int intel_pt_do_get_packet(const unsigned char *buf, size_t len,  in intel_pt_do_get_packet()  argument
489 	byte = buf[0];  in intel_pt_do_get_packet()
494 			return intel_pt_get_ext(buf, len, packet);  in intel_pt_do_get_packet()
499 		return intel_pt_get_cyc(byte, buf, len, packet);  in intel_pt_do_get_packet()
503 		return intel_pt_get_ip(INTEL_PT_TIP, byte, buf, len, packet);  in intel_pt_do_get_packet()
505 		return intel_pt_get_ip(INTEL_PT_TIP_PGE, byte, buf, len,  in intel_pt_do_get_packet()
508 		return intel_pt_get_ip(INTEL_PT_TIP_PGD, byte, buf, len,  in intel_pt_do_get_packet()
511 		return intel_pt_get_ip(INTEL_PT_FUP, byte, buf, len, packet);  in intel_pt_do_get_packet()
515 			return intel_pt_get_mode(buf, len, packet);  in intel_pt_do_get_packet()
517 			return intel_pt_get_tsc(buf, len, packet);  in intel_pt_do_get_packet()
519 			return intel_pt_get_mtc(buf, len, packet);  in intel_pt_do_get_packet()
528 int intel_pt_get_packet(const unsigned char *buf, size_t len,  in intel_pt_get_packet()  argument
533 	ret = intel_pt_do_get_packet(buf, len, packet);  in intel_pt_get_packet()
535 		while (ret < 8 && len > (size_t)ret && !buf[ret])  in intel_pt_get_packet()
541 int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf,  in intel_pt_pkt_desc()  argument
555 		return snprintf(buf, buf_len, "%s", name);  in intel_pt_pkt_desc()
559 		ret = snprintf(buf, blen, "%s ", name);  in intel_pt_pkt_desc()
562 		buf += ret;  in intel_pt_pkt_desc()
566 				ret = snprintf(buf, blen, "T");  in intel_pt_pkt_desc()
568 				ret = snprintf(buf, blen, "N");  in intel_pt_pkt_desc()
571 			buf += ret;  in intel_pt_pkt_desc()
575 		ret = snprintf(buf, blen, " (%d)", packet->count);  in intel_pt_pkt_desc()
586 			return snprintf(buf, buf_len, "%s no ip", name);  in intel_pt_pkt_desc()
594 		return snprintf(buf, buf_len, "%s 0x%llx", name, payload);  in intel_pt_pkt_desc()
596 		return snprintf(buf, buf_len, "%s CTC 0x%x FC 0x%x", name,  in intel_pt_pkt_desc()
599 		return snprintf(buf, buf_len, "%s %lld", name, payload);  in intel_pt_pkt_desc()
601 		return snprintf(buf, buf_len, "%s TXAbort:%u InTX:%u",  in intel_pt_pkt_desc()
607 		ret = snprintf(buf, buf_len, "%s 0x%llx (NR=%d)",  in intel_pt_pkt_desc()
611 		return snprintf(buf, buf_len, "%s 0x%llx IP:0", name, payload);  in intel_pt_pkt_desc()
613 		return snprintf(buf, buf_len, "%s 0x%llx IP:1", name, payload);  in intel_pt_pkt_desc()
615 		return snprintf(buf, buf_len, "%s IP:0", name);  in intel_pt_pkt_desc()
617 		return snprintf(buf, buf_len, "%s IP:1", name);  in intel_pt_pkt_desc()
619 		return snprintf(buf, buf_len, "%s 0x%llx Hints 0x%x Extensions 0x%x",  in intel_pt_pkt_desc()
623 		return snprintf(buf, buf_len, "%s 0x%llx HW:%u CState:%u Sub-CState:%u",  in intel_pt_pkt_desc()
628 		return snprintf(buf, buf_len, "%s 0x%llx Last CState:%u Deepest CState:%u Wake Reason 0x%x",  in intel_pt_pkt_desc()
636 	return snprintf(buf, buf_len, "%s 0x%llx (%d)",  in intel_pt_pkt_desc()