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-rw-r--r--include/linux/crash_dump.h18
-rw-r--r--include/linux/kcore.h6
2 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index f7ac2aa93269..3e4ba9d753c8 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -5,6 +5,7 @@
#include <linux/kexec.h>
#include <linux/proc_fs.h>
#include <linux/elf.h>
+#include <uapi/linux/vmcore.h>
#include <asm/pgtable.h> /* for pgprot_t */
@@ -93,4 +94,21 @@ static inline bool is_kdump_kernel(void) { return 0; }
#endif /* CONFIG_CRASH_DUMP */
extern unsigned long saved_max_pfn;
+
+/* Device Dump information to be filled by drivers */
+struct vmcoredd_data {
+ char dump_name[VMCOREDD_MAX_NAME_BYTES]; /* Unique name of the dump */
+ unsigned int size; /* Size of the dump */
+ /* Driver's registered callback to be invoked to collect dump */
+ int (*vmcoredd_callback)(struct vmcoredd_data *data, void *buf);
+};
+
+#ifdef CONFIG_PROC_VMCORE_DEVICE_DUMP
+int vmcore_add_device_dump(struct vmcoredd_data *data);
+#else
+static inline int vmcore_add_device_dump(struct vmcoredd_data *data)
+{
+ return -EOPNOTSUPP;
+}
+#endif /* CONFIG_PROC_VMCORE_DEVICE_DUMP */
#endif /* LINUX_CRASHDUMP_H */
diff --git a/include/linux/kcore.h b/include/linux/kcore.h
index 80db19d3a505..8de55e4b5ee9 100644
--- a/include/linux/kcore.h
+++ b/include/linux/kcore.h
@@ -28,6 +28,12 @@ struct vmcore {
loff_t offset;
};
+struct vmcoredd_node {
+ struct list_head list; /* List of dumps */
+ void *buf; /* Buffer containing device's dump */
+ unsigned int size; /* Size of the buffer */
+};
+
#ifdef CONFIG_PROC_KCORE
extern void kclist_add(struct kcore_list *, void *, size_t, int type);
#else