1 files changed, 97 insertions, 0 deletions
diff --git a/mt7996/coredump.h b/mt7996/coredump.h
new file mode 100644
index 000000000000..af2ba219b1b5
--- /dev/null
+++ b/mt7996/coredump.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2023 MediaTek Inc. */
+
+#ifndef _COREDUMP_H_
+#define _COREDUMP_H_
+
+#include "mt7996.h"
+
+struct mt7996_coredump {
+	char magic[16];
+
+	u32 len;
+
+	guid_t guid;
+
+	/* time-of-day stamp */
+	u64 tv_sec;
+	/* time-of-day stamp, nano-seconds */
+	u64 tv_nsec;
+	/* kernel version */
+	char kernel[64];
+	/* firmware version */
+	char fw_ver[ETHTOOL_FWVERS_LEN];
+
+	u32 device_id;
+
+	/* exception state */
+	char fw_state[12];
+
+	/* program counters */
+	char pc_current[16];
+	u32 pc_stack[17];
+	/* link registers */
+	u32 lr_stack[16];
+
+	/* memory content */
+	u8 data[];
+} __packed;
+
+struct mt7996_coredump_mem {
+	u32 len;
+	u8 data[];
+} __packed;
+
+struct mt7996_mem_hdr {
+	u32 start;
+	u32 len;
+	u8 data[];
+};
+
+struct mt7996_mem_region {
+	u32 start;
+	size_t len;
+
+	const char *name;
+};
+
+#ifdef CONFIG_DEV_COREDUMP
+
+const struct mt7996_mem_region *
+mt7996_coredump_get_mem_layout(struct mt7996_dev *dev, u32 *num);
+struct mt7996_crash_data *mt7996_coredump_new(struct mt7996_dev *dev);
+int mt7996_coredump_submit(struct mt7996_dev *dev);
+int mt7996_coredump_register(struct mt7996_dev *dev);
+void mt7996_coredump_unregister(struct mt7996_dev *dev);
+
+#else /* CONFIG_DEV_COREDUMP */
+
+static inline const struct mt7996_mem_region *
+mt7996_coredump_get_mem_layout(struct mt7996_dev *dev, u32 *num)
+{
+	return NULL;
+}
+
+static inline int mt7996_coredump_submit(struct mt7996_dev *dev)
+{
+	return 0;
+}
+
+static inline struct
+mt7996_crash_data *mt7996_coredump_new(struct mt7996_dev *dev)
+{
+	return NULL;
+}
+
+static inline int mt7996_coredump_register(struct mt7996_dev *dev)
+{
+	return 0;
+}
+
+static inline void mt7996_coredump_unregister(struct mt7996_dev *dev)
+{
+}
+
+#endif /* CONFIG_DEV_COREDUMP */
+
+#endif /* _COREDUMP_H_ */