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Diffstat (limited to 'include/linux/crash_dump.h')
-rw-r--r--include/linux/crash_dump.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index f7ac2aa93269..f774c5eb9e3c 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 */
@@ -25,6 +26,10 @@ extern int remap_oldmem_pfn_range(struct vm_area_struct *vma,
extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
unsigned long, int);
+extern ssize_t copy_oldmem_page_encrypted(unsigned long pfn, char *buf,
+ size_t csize, unsigned long offset,
+ int userbuf);
+
void vmcore_cleanup(void);
/* Architecture code defines this if there are other possible ELF
@@ -93,4 +98,21 @@ 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 */