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-rw-r--r--fs/pstore/internal.h69
1 files changed, 32 insertions, 37 deletions
diff --git a/fs/pstore/internal.h b/fs/pstore/internal.h
index 937d820f273c..a0fc51196910 100644
--- a/fs/pstore/internal.h
+++ b/fs/pstore/internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PSTORE_INTERNAL_H__
#define __PSTORE_INTERNAL_H__
@@ -5,53 +6,47 @@
#include <linux/time.h>
#include <linux/pstore.h>
-#if NR_CPUS <= 2 && defined(CONFIG_ARM_THUMB)
-#define PSTORE_CPU_IN_IP 0x1
-#elif NR_CPUS <= 4 && defined(CONFIG_ARM)
-#define PSTORE_CPU_IN_IP 0x3
-#endif
-
-struct pstore_ftrace_record {
- unsigned long ip;
- unsigned long parent_ip;
-#ifndef PSTORE_CPU_IN_IP
- unsigned int cpu;
-#endif
-};
+extern unsigned int kmsg_bytes;
-static inline void
-pstore_ftrace_encode_cpu(struct pstore_ftrace_record *rec, unsigned int cpu)
-{
-#ifndef PSTORE_CPU_IN_IP
- rec->cpu = cpu;
+#ifdef CONFIG_PSTORE_FTRACE
+extern void pstore_register_ftrace(void);
+extern void pstore_unregister_ftrace(void);
+ssize_t pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,
+ const char *src_log, size_t src_log_size);
#else
- rec->ip |= cpu;
-#endif
-}
-
-static inline unsigned int
-pstore_ftrace_decode_cpu(struct pstore_ftrace_record *rec)
+static inline void pstore_register_ftrace(void) {}
+static inline void pstore_unregister_ftrace(void) {}
+static inline ssize_t
+pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,
+ const char *src_log, size_t src_log_size)
{
-#ifndef PSTORE_CPU_IN_IP
- return rec->cpu;
-#else
- return rec->ip & PSTORE_CPU_IN_IP;
-#endif
+ *dest_log_size = 0;
+ return 0;
}
+#endif
-#ifdef CONFIG_PSTORE_FTRACE
-extern void pstore_register_ftrace(void);
+#ifdef CONFIG_PSTORE_PMSG
+extern void pstore_register_pmsg(void);
+extern void pstore_unregister_pmsg(void);
#else
-static inline void pstore_register_ftrace(void) {}
+static inline void pstore_register_pmsg(void) {}
+static inline void pstore_unregister_pmsg(void) {}
#endif
extern struct pstore_info *psinfo;
-extern void pstore_set_kmsg_bytes(int);
+extern void pstore_set_kmsg_bytes(unsigned int bytes);
extern void pstore_get_records(int);
-extern int pstore_mkfile(enum pstore_type_id, char *psname, u64 id,
- int count, char *data, size_t size,
- struct timespec time, struct pstore_info *psi);
-extern int pstore_is_mounted(void);
+extern void pstore_get_backend_records(struct pstore_info *psi,
+ struct dentry *root, int quiet);
+extern int pstore_put_backend_records(struct pstore_info *psi);
+extern int pstore_mkfile(struct dentry *root,
+ struct pstore_record *record);
+extern void pstore_record_init(struct pstore_record *record,
+ struct pstore_info *psi);
+
+/* Called during pstore init/exit. */
+int __init pstore_init_fs(void);
+void __exit pstore_exit_fs(void);
#endif