platforms/pseries/papr-sysparm.c

46  * For use on buffers returned from ibm,get-system-parameter before
56  * Perform some basic diligence on the system parameter buffer before
73  * papr_sysparm_get() - Retrieve the value of a PAPR system parameter.
74  * @param: PAPR system parameter token as described in
78  * Place the result of querying the specified parameter, if available,
82  * Since there is at least one parameter (60, OS Service Entitlement
85  * work area before calling ibm,get-system-parameter.
87  * A defined parameter may not be implemented on a given system, and
89  * on a system. A parameter's disposition may change at any time due
130 	case -3: /* parameter not implemented */  in papr_sysparm_get()
133 	case -9002: /* this partition not authorized to retrieve this parameter */  in papr_sysparm_get()
136 	case -9999: /* "parameter error" e.g. the buffer is too small */  in papr_sysparm_get()
140 		pr_err("unexpected ibm,get-system-parameter result %d\n", fwrc);  in papr_sysparm_get()
183 	case -3: /* parameter not supported */  in papr_sysparm_set()
186 	case -9002: /* this partition not authorized to modify this parameter */  in papr_sysparm_set()
189 	case -9999: /* "parameter error" e.g. invalid input data */  in papr_sysparm_set()
193 		pr_err("unexpected ibm,set-system-parameter result %d\n", fwrc);  in papr_sysparm_set()
266 	if (get_user(param.token, &user_iob->parameter))  in papr_sysparm_ioctl_get()
295 	if (get_user(param.token, &user_iob->parameter))  in papr_sysparm_ioctl_set()