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