ivpu_coredump.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (C) 2020-2024 Intel Corporation
 4 */
 5
 6#include <linux/devcoredump.h>
 7#include <linux/firmware.h>
 8
 9#include "ivpu_coredump.h"
10#include "ivpu_fw.h"
11#include "ivpu_gem.h"
12#include "vpu_boot_api.h"
13
14#define CRASH_DUMP_HEADER "Intel NPU crash dump"
15#define CRASH_DUMP_HEADERS_SIZE SZ_4K
16
17void ivpu_dev_coredump(struct ivpu_device *vdev)
18{
19	struct drm_print_iterator pi = {};
20	struct drm_printer p;
21	size_t coredump_size;
22	char *coredump;
23
24	coredump_size = CRASH_DUMP_HEADERS_SIZE + FW_VERSION_HEADER_SIZE +
25			ivpu_bo_size(vdev->fw->mem_log_crit) + ivpu_bo_size(vdev->fw->mem_log_verb);
26	coredump = vmalloc(coredump_size);
27	if (!coredump)
28		return;
29
30	pi.data = coredump;
31	pi.remain = coredump_size;
32	p = drm_coredump_printer(&pi);
33
34	drm_printf(&p, "%s\n", CRASH_DUMP_HEADER);
35	drm_printf(&p, "FW version: %s\n", vdev->fw->version);
36	ivpu_fw_log_print(vdev, false, &p);
37
38	dev_coredumpv(vdev->drm.dev, coredump, pi.offset, GFP_KERNEL);
39}