RTAS

Section: System Calls (2)
Updated:
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NAME

rtas - Allows userspace to call RTAS (Run Time Abstraction Services)  

SYNOPSIS

int ppc_rtas (struct rtas_args *uargs);
 

DESCRIPTION

ppc_rtas enables userspace manipulation of the RunTime Abstraction Services (RTAS). RTAS provides for a portable method of access and setting system information. For example, you could gather information on various system sensors and set poweron values. RTAS is accessed via the /proc entry called "rtas". Manipulations on RTAS are implemented via command line arguments on /proc/rtas. The values for uargs vary greatly. For more information, see the view/arch/ppcKconfig file.  

RETURN VALUE

rtas returns 0 on success; otherwise it returns one of the errors listed in the "Errors" section.  

ERRORS

-EPERM
User does not have CAP_SYS_ADMIN capabilities.
-EFAULT
Problem copying uargs values to/from user space.
-EINVAL
Either number of uargs passed in too large or size of uargs array too large.
 

AUTHOR

Niki Rahimi.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
AUTHOR

linux.jgfs.net manual pages