27  * Niagara 2 Random Number Generator (RNG) driver
86 	"N2 RNG Driver",		/* drv_linkinfo */
270 	 * rng systems.  in n2rng_attach()
281 		cmn_err(CE_WARN, "n2rng: unable to initialize rng "  in n2rng_attach()
286 	/* Allocate single thread task queue for rng diags and registration */  in n2rng_attach()
295 	/* Dispatch task to configure the RNG and register with KCF */  in n2rng_attach()
402 	/* Re-configure the RNG hardware and register with KCF */  in n2rng_resume()
999 	rng_entry_t	*rng;  in n2rng_init_ctl()  local
1034 	 * If running with an API version less than 2.0 default to one rng.  in n2rng_init_ctl()
1051 	/* Allocate space for all rng entries */  in n2rng_init_ctl()
1094 		rng = &n2rng->n_ctl_data->n_rngs[rngid];  in n2rng_init_ctl()
1096 		rng->n_preferred_config.ctlwds[0].word = 0;  in n2rng_init_ctl()
1097 		rng->n_preferred_config.ctlwds[0].fields.rnc_anlg_sel =  in n2rng_init_ctl()
1099 		rng->n_preferred_config.ctlwds[0].fields.rnc_cnt =  in n2rng_init_ctl()
1101 		rng->n_preferred_config.ctlwds[0].fields.rnc_mode =  in n2rng_init_ctl()
1103 		rng->n_preferred_config.ctlwds[1].word =  in n2rng_init_ctl()
1104 		    rng->n_preferred_config.ctlwds[0].word;  in n2rng_init_ctl()
1105 		rng->n_preferred_config.ctlwds[2].word =  in n2rng_init_ctl()
1106 		    rng->n_preferred_config.ctlwds[0].word;  in n2rng_init_ctl()
1107 		rng->n_preferred_config.ctlwds[3].word =  in n2rng_init_ctl()
1108 		    rng->n_preferred_config.ctlwds[0].word;  in n2rng_init_ctl()
1109 		rng->n_preferred_config.ctlwds[0].fields.rnc_vcoctl = 1;  in n2rng_init_ctl()
1110 		rng->n_preferred_config.ctlwds[0].fields.rnc_selbits = 1;  in n2rng_init_ctl()
1111 		rng->n_preferred_config.ctlwds[1].fields.rnc_vcoctl = 2;  in n2rng_init_ctl()
1112 		rng->n_preferred_config.ctlwds[1].fields.rnc_selbits = 2;  in n2rng_init_ctl()
1113 		rng->n_preferred_config.ctlwds[2].fields.rnc_vcoctl = 3;  in n2rng_init_ctl()
1114 		rng->n_preferred_config.ctlwds[2].fields.rnc_selbits = 4;  in n2rng_init_ctl()
1115 		rng->n_preferred_config.ctlwds[3].fields.rnc_vcoctl = 0;  in n2rng_init_ctl()
1116 		rng->n_preferred_config.ctlwds[3].fields.rnc_selbits = 7;  in n2rng_init_ctl()
1121 	    "n2rng_init_ctl: Running in control domain with %d rng device%s",  in n2rng_init_ctl()
1156  * Attempt read random data to see if the rng is configured.
1203 			/* An rng error has occured during health check */  in n2rng_config_test()
1218  * Run health check on the RNG hardware
1219  * Configure the RNG hardware
1226 	rng_entry_t	*rng;  in n2rng_config()  local
1231 	 * otherwise just check if at least one rng is available.  in n2rng_config()
1238 			rng = &n2rng->n_ctl_data->n_rngs[rngid];  in n2rng_config()
1241 			if (rng->n_rng_state == CTL_STATE_ERROR) {  in n2rng_config()
1255 				    "Configuring single rng from cpu %d",  in n2rng_config()
1269 				DBG1(n2rng, DCFG, "n2rng_config: rng(%d) "  in n2rng_config()
1271 				if (rng->n_rng_state != CTL_STATE_CONFIGURED) {  in n2rng_config()
1272 					rng->n_rng_state =  in n2rng_config()
1282 				cmn_err(CE_WARN, "n2rng: rng(%d) "  in n2rng_config()
1284 				if (rng->n_rng_state == CTL_STATE_CONFIGURED) {  in n2rng_config()
1287 				rng->n_rng_state = CTL_STATE_ERROR;  in n2rng_config()
1291 		DBG2(n2rng, DCFG, "n2rng_config: %d rng%s online",  in n2rng_config()
1297 			cmn_err(CE_WARN, "n2rng: %d RNG device%s failed",  in n2rng_config()
1305 		/* Running in guest domain, just check if rng is configured */  in n2rng_config()
1321 	 * RNG configured.  Otherwise schedule a retry if all rngs have not  in n2rng_config()