70 static int __init sclp_cmd_sync_early(sclp_cmdw_t cmd, void *sccb)  in sclp_cmd_sync_early()  argument
75 	rc = sclp_service_call(cmd, sccb);  in sclp_cmd_sync_early()
88 static int __init sclp_read_info_early(struct read_info_sccb *sccb)  in sclp_read_info_early()  argument
96 			memset(sccb, 0, sizeof(*sccb));  in sclp_read_info_early()
97 			sccb->header.length = sizeof(*sccb);  in sclp_read_info_early()
98 			sccb->header.function_code = 0x80;  in sclp_read_info_early()
99 			sccb->header.control_mask[2] = 0x80;  in sclp_read_info_early()
100 			rc = sclp_cmd_sync_early(commands[i], sccb);  in sclp_read_info_early()
105 		if (sccb->header.response_code == 0x10)  in sclp_read_info_early()
107 		if (sccb->header.response_code != 0x1f0)  in sclp_read_info_early()
113 static void __init sclp_facilities_detect(struct read_info_sccb *sccb)  in sclp_facilities_detect()  argument
118 	if (sclp_read_info_early(sccb))  in sclp_facilities_detect()
121 	sclp_facilities = sccb->facilities;  in sclp_facilities_detect()
122 	sclp_fac84 = sccb->fac84;  in sclp_facilities_detect()
123 	if (sccb->fac85 & 0x02)  in sclp_facilities_detect()
125 	sclp_rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;  in sclp_facilities_detect()
126 	sclp_rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;  in sclp_facilities_detect()
128 	sclp_ibc = sccb->ibc;  in sclp_facilities_detect()
130 	if (!sccb->hcpua) {  in sclp_facilities_detect()
134 			sclp_max_cpu = sccb->ncpurl;  in sclp_facilities_detect()
136 		sclp_max_cpu = sccb->hcpua + 1;  in sclp_facilities_detect()
140 	cpue = (void *)sccb + sccb->cpuoff;  in sclp_facilities_detect()
141 	for (cpu = 0; cpu < sccb->ncpurl; cpue++, cpu++) {  in sclp_facilities_detect()
151 	if (sccb->flags & 0x2)  in sclp_facilities_detect()
153 	memcpy(&sclp_ipl_info.loadparm, &sccb->loadparm, LOADPARM_LEN);  in sclp_facilities_detect()
155 	sclp_mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;  in sclp_facilities_detect()
156 	sclp_mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;  in sclp_facilities_detect()
158 	sclp_mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;  in sclp_facilities_detect()
229 static int __init sclp_cmd_early(sclp_cmdw_t cmd, void *sccb)  in sclp_cmd_early()  argument
234 		rc = sclp_cmd_sync_early(cmd, sccb);  in sclp_cmd_early()
239 	if (((struct sccb_header *) sccb)->response_code != 0x0020)  in sclp_cmd_early()
244 static void __init sccb_init_eq_size(struct sdias_sccb *sccb)  in sccb_init_eq_size()  argument
246 	memset(sccb, 0, sizeof(*sccb));  in sccb_init_eq_size()
248 	sccb->hdr.length = sizeof(*sccb);  in sccb_init_eq_size()
249 	sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf);  in sccb_init_eq_size()
250 	sccb->evbuf.hdr.type = EVTYP_SDIAS;  in sccb_init_eq_size()
251 	sccb->evbuf.event_qual = SDIAS_EQ_SIZE;  in sccb_init_eq_size()
252 	sccb->evbuf.data_id = SDIAS_DI_FCP_DUMP;  in sccb_init_eq_size()
253 	sccb->evbuf.event_id = 4712;  in sccb_init_eq_size()
254 	sccb->evbuf.dbs = 1;  in sccb_init_eq_size()
257 static int __init sclp_set_event_mask(struct init_sccb *sccb,  in sclp_set_event_mask()  argument
261 	memset(sccb, 0, sizeof(*sccb));  in sclp_set_event_mask()
262 	sccb->header.length = sizeof(*sccb);  in sclp_set_event_mask()
263 	sccb->mask_length = sizeof(sccb_mask_t);  in sclp_set_event_mask()
264 	sccb->receive_mask = receive_mask;  in sclp_set_event_mask()
265 	sccb->send_mask = send_mask;  in sclp_set_event_mask()
266 	return sclp_cmd_early(SCLP_CMDW_WRITE_EVENT_MASK, sccb);  in sclp_set_event_mask()
269 static long __init sclp_hsa_size_init(struct sdias_sccb *sccb)  in sclp_hsa_size_init()  argument
271 	sccb_init_eq_size(sccb);  in sclp_hsa_size_init()
272 	if (sclp_cmd_early(SCLP_CMDW_WRITE_EVENT_DATA, sccb))  in sclp_hsa_size_init()
274 	if (sccb->evbuf.blk_cnt == 0)  in sclp_hsa_size_init()
276 	return (sccb->evbuf.blk_cnt - 1) * PAGE_SIZE;  in sclp_hsa_size_init()
279 static long __init sclp_hsa_copy_wait(struct sccb_header *sccb)  in sclp_hsa_copy_wait()  argument
281 	memset(sccb, 0, PAGE_SIZE);  in sclp_hsa_copy_wait()
282 	sccb->length = PAGE_SIZE;  in sclp_hsa_copy_wait()
283 	if (sclp_cmd_early(SCLP_CMDW_READ_EVENT_DATA, sccb))  in sclp_hsa_copy_wait()
285 	if (((struct sdias_sccb *) sccb)->evbuf.blk_cnt == 0)  in sclp_hsa_copy_wait()
287 	return (((struct sdias_sccb *) sccb)->evbuf.blk_cnt - 1) * PAGE_SIZE;  in sclp_hsa_copy_wait()
295 static void __init sclp_hsa_size_detect(void *sccb)  in sclp_hsa_size_detect()  argument
300 	if (sclp_set_event_mask(sccb, 0, 0x40000010))  in sclp_hsa_size_detect()
302 	size = sclp_hsa_size_init(sccb);  in sclp_hsa_size_detect()
308 	if (sclp_set_event_mask(sccb, 0x00000010, 0x40000010))  in sclp_hsa_size_detect()
310 	size = sclp_hsa_size_init(sccb);  in sclp_hsa_size_detect()
313 	size = sclp_hsa_copy_wait(sccb);  in sclp_hsa_size_detect()
320 static unsigned int __init sclp_con_check_linemode(struct init_sccb *sccb)  in sclp_con_check_linemode()  argument
322 	if (!(sccb->sclp_send_mask & EVTYP_OPCMD_MASK))  in sclp_con_check_linemode()
324 	if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))  in sclp_con_check_linemode()
329 static void __init sclp_console_detect(struct init_sccb *sccb)  in sclp_console_detect()  argument
331 	if (sccb->header.response_code != 0x20)  in sclp_console_detect()
334 	if (sccb->sclp_send_mask & EVTYP_VT220MSG_MASK)  in sclp_console_detect()
337 	if (sclp_con_check_linemode(sccb))  in sclp_console_detect()
343 	void *sccb = &sccb_early;  in sclp_early_detect()  local
345 	sclp_facilities_detect(sccb);  in sclp_early_detect()
346 	sclp_hsa_size_detect(sccb);  in sclp_early_detect()
351 	sclp_set_event_mask(sccb, 0, 0);  in sclp_early_detect()
352 	sclp_console_detect(sccb);  in sclp_early_detect()