7b92fc2502
There was a requirement from client drivers to create ramdump device with a given name so that they control the name of the elf. This change adds the support to create/destroy ramdump device. Change-Id: I411cc92a1b41d44e8b6fef95d383613280dae0c2 Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef _QCOM_RAMDUMP_HEADER
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#define _QCOM_RAMDUMP_HEADER
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#include <linux/kernel.h>
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#include <linux/firmware.h>
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struct device;
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struct qcom_dump_segment {
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struct list_head node;
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dma_addr_t da;
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void *va;
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size_t size;
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};
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#if IS_ENABLED(CONFIG_QCOM_RAMDUMP)
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extern void *qcom_create_ramdump_device(const char *dev_name, struct device *parent);
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extern void qcom_destroy_ramdump_device(void *dev);
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extern int qcom_elf_dump(struct list_head *segs, struct device *dev, unsigned char class);
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extern int qcom_dump(struct list_head *head, struct device *dev);
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extern int qcom_fw_elf_dump(struct firmware *fw, struct device *dev);
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extern bool dump_enabled(void);
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#else
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static inline void *qcom_create_ramdump_device(const char *dev_name,
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struct device *parent)
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{
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return NULL;
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}
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static inline void qcom_destroy_ramdump_device(void *dev)
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{
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}
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static inline int qcom_elf_dump(struct list_head *segs, struct device *dev, unsigned char class)
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{
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return -ENODEV;
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}
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static inline int qcom_dump(struct list_head *head, struct device *dev)
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{
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return -ENODEV;
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}
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static inline int qcom_fw_elf_dump(struct firmware *fw, struct device *dev)
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{
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return -ENODEV;
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}
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static inline bool dump_enabled(void)
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{
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return false;
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}
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#endif /* CONFIG_QCOM_RAMDUMP */
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#endif
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