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bade034052
Use coredump (if available) to collect FW logs in case of a FW crash. This makes dmesg more readable and allows to collect more log data. Signed-off-by: Karol Wachowski <karol.wachowski@intel.com> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-8-jacek.lawrynowicz@linux.intel.com Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
40 lines
987 B
C
40 lines
987 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2020-2024 Intel Corporation
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*/
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#include <linux/devcoredump.h>
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#include <linux/firmware.h>
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#include "ivpu_coredump.h"
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#include "ivpu_fw.h"
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#include "ivpu_gem.h"
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#include "vpu_boot_api.h"
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#define CRASH_DUMP_HEADER "Intel NPU crash dump"
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#define CRASH_DUMP_HEADERS_SIZE SZ_4K
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void ivpu_dev_coredump(struct ivpu_device *vdev)
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{
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struct drm_print_iterator pi = {};
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struct drm_printer p;
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size_t coredump_size;
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char *coredump;
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coredump_size = CRASH_DUMP_HEADERS_SIZE + FW_VERSION_HEADER_SIZE +
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ivpu_bo_size(vdev->fw->mem_log_crit) + ivpu_bo_size(vdev->fw->mem_log_verb);
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coredump = vmalloc(coredump_size);
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if (!coredump)
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return;
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pi.data = coredump;
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pi.remain = coredump_size;
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p = drm_coredump_printer(&pi);
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drm_printf(&p, "%s\n", CRASH_DUMP_HEADER);
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drm_printf(&p, "FW version: %s\n", vdev->fw->version);
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ivpu_fw_log_print(vdev, false, &p);
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dev_coredumpv(vdev->drm.dev, coredump, pi.offset, GFP_KERNEL);
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}
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