From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/include/linux/crash_dump.h | 23 ++++++++++++++++++++---
1 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/kernel/include/linux/crash_dump.h b/kernel/include/linux/crash_dump.h
index 3e4ba9d..a5192b7 100644
--- a/kernel/include/linux/crash_dump.h
+++ b/kernel/include/linux/crash_dump.h
@@ -5,9 +5,10 @@
#include <linux/kexec.h>
#include <linux/proc_fs.h>
#include <linux/elf.h>
+#include <linux/pgtable.h>
#include <uapi/linux/vmcore.h>
-#include <asm/pgtable.h> /* for pgprot_t */
+#include <linux/pgtable.h> /* for pgprot_t */
#ifdef CONFIG_CRASH_DUMP
#define ELFCORE_ADDR_MAX (-1ULL)
@@ -26,6 +27,10 @@
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
@@ -93,8 +98,6 @@
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 */
@@ -111,4 +114,18 @@
return -EOPNOTSUPP;
}
#endif /* CONFIG_PROC_VMCORE_DEVICE_DUMP */
+
+#ifdef CONFIG_PROC_VMCORE
+ssize_t read_from_oldmem(char *buf, size_t count,
+ u64 *ppos, int userbuf,
+ bool encrypted);
+#else
+static inline ssize_t read_from_oldmem(char *buf, size_t count,
+ u64 *ppos, int userbuf,
+ bool encrypted)
+{
+ return -EOPNOTSUPP;
+}
+#endif /* CONFIG_PROC_VMCORE */
+
#endif /* LINUX_CRASHDUMP_H */
--
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