// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)//// This file is provided under a dual BSD/GPLv2 license.  When using or// redistributing this file, you may do so under either license.//// Copyright(c) 2023 Intel Corporation /* telemetry data queried from debug window */ #include <sound/sof/ipc4/header.h>#include <sound/sof/xtensa.h>#include "../ipc4-priv.h"#include "../sof-priv.h"#include "hda.h"#include "telemetry.h" void sof_ipc4_intel_dump_telemetry_state(struct snd_sof_dev *sdev, u32 flags){	static const char invalid_slot_msg[] = "Core dump is not available due to";	struct sof_ipc4_telemetry_slot_data *telemetry_data;	struct sof_ipc_dsp_oops_xtensa *xoops;	struct xtensa_arch_block *block;	u32 slot_offset;	char *level; 	level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; 	slot_offset = sof_ipc4_find_debug_slot_offset_by_type(sdev, SOF_IPC4_DEBUG_SLOT_TELEMETRY);	if (!slot_offset)		return; 	telemetry_data = kmalloc_obj(*telemetry_data);	if (!telemetry_data)		return;	sof_mailbox_read(sdev, slot_offset, telemetry_data, sizeof(*telemetry_data));	if (telemetry_data->separator != XTENSA_CORE_DUMP_SEPARATOR) {		dev_err(sdev->dev, "%s invalid separator %#x\n", invalid_slot_msg,			telemetry_data->separator);		goto free_telemetry_data;	} 	block = kmalloc_obj(*block);	if (!block)		goto free_telemetry_data; 	sof_mailbox_read(sdev, slot_offset + sizeof(*telemetry_data), block, sizeof(*block));	if (block->soc != XTENSA_SOC_INTEL_ADSP) {		dev_err(sdev->dev, "%s invalid SOC %d\n", invalid_slot_msg, block->soc);		goto free_block;	} 	if (telemetry_data->hdr.id[0] != COREDUMP_HDR_ID0 ||	    telemetry_data->hdr.id[1] != COREDUMP_HDR_ID1 ||	    telemetry_data->arch_hdr.id != COREDUMP_ARCH_HDR_ID) {		dev_err(sdev->dev, "%s invalid coredump header %c%c, arch hdr %c\n",			invalid_slot_msg, telemetry_data->hdr.id[0],			telemetry_data->hdr.id[1],			telemetry_data->arch_hdr.id);		goto free_block;	} 	switch (block->toolchain) {	case XTENSA_TOOL_CHAIN_ZEPHYR:		dev_printk(level, sdev->dev, "FW is built with Zephyr toolchain\n");		break;	case XTENSA_TOOL_CHAIN_XCC:		dev_printk(level, sdev->dev, "FW is built with XCC toolchain\n");		break;	default:		dev_printk(level, sdev->dev, "Unknown toolchain is used\n");		break;	} 	xoops = kzalloc_flex(*xoops, ar, XTENSA_CORE_AR_REGS_COUNT);	if (!xoops)		goto free_block; 	xoops->exccause = block->exccause;	xoops->excvaddr = block->excvaddr;	xoops->epc1 = block->pc;	xoops->ps = block->ps;	xoops->sar = block->sar; 	xoops->plat_hdr.numaregs = XTENSA_CORE_AR_REGS_COUNT;	memcpy((void *)xoops->ar, block->ar, XTENSA_CORE_AR_REGS_COUNT * sizeof(u32)); 	sof_oops(sdev, level, xoops);	sof_stack(sdev, level, xoops, NULL, 0); 	kfree(xoops);free_block:	kfree(block);free_telemetry_data:	kfree(telemetry_data);}EXPORT_SYMBOL_NS(sof_ipc4_intel_dump_telemetry_state, "SND_SOC_SOF_INTEL_HDA_COMMON");