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[S390] service level interface.

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Add a new proc interface /proc/service_levels that allows any code
to report a relevant service level, e.g. the microcode level of
devices, the service level of the hypervisor, etc.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
2008-12-25 13:38:49 +01:00
parent 7a0b4cbc7d
commit 6bcac508fb
4 changed files with 149 additions and 2 deletions
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11
arch/s390/include/asm/sysinfo.h
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@@ -118,4 +118,15 @@ static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
return r0;
}
/*
* Service level reporting interface.
*/
struct service_level {
struct list_head list;
void (*seq_print)(struct seq_file *, struct service_level *);
};
int register_service_level(struct service_level *);
int unregister_service_level(struct service_level *);
#endif /* __ASM_S390_SYSINFO_H */