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- #ifndef __PSTORE_INTERNAL_H__
- #define __PSTORE_INTERNAL_H__
- #include <linux/types.h>
- #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
- };
- static inline void
- pstore_ftrace_encode_cpu(struct pstore_ftrace_record *rec, unsigned int cpu)
- {
- #ifndef PSTORE_CPU_IN_IP
- rec->cpu = cpu;
- #else
- rec->ip |= cpu;
- #endif
- }
- static inline unsigned int
- pstore_ftrace_decode_cpu(struct pstore_ftrace_record *rec)
- {
- #ifndef PSTORE_CPU_IN_IP
- return rec->cpu;
- #else
- return rec->ip & PSTORE_CPU_IN_IP;
- #endif
- }
- #ifdef CONFIG_PSTORE_FTRACE
- extern void pstore_register_ftrace(void);
- extern void pstore_unregister_ftrace(void);
- #else
- static inline void pstore_register_ftrace(void) {}
- static inline void pstore_unregister_ftrace(void) {}
- #endif
- #ifdef CONFIG_PSTORE_PMSG
- extern void pstore_register_pmsg(void);
- extern void pstore_unregister_pmsg(void);
- #else
- 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_get_records(int);
- extern int pstore_mkfile(enum pstore_type_id, char *psname, u64 id,
- int count, char *data, bool compressed,
- size_t size, struct timespec time,
- struct pstore_info *psi);
- extern bool pstore_is_mounted(void);
- #endif
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