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rtas (2)
RTAS(2) RTAS(2)
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 Ser-
vices (RTAS). RTAS provides for a portable method of access and setting
system information. For example, you could gather information on vari-
ous 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 great-
ly. For more information, see the view/arch/ppcKconfig file.
RETURN VALUE
rtas returns 0 on success; otherwise it returns one of the errors list-
ed 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 ar-
ray too large.
AUTHOR
Niki Rahimi.
RTAS(2)
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