57 static int __init sclp_cmd_sync_early(sclp_cmdw_t cmd, void *sccb)  in sclp_cmd_sync_early()  argument
62 	rc = sclp_service_call(cmd, sccb);  in sclp_cmd_sync_early()
75 static int __init sclp_read_info_early(struct read_info_sccb *sccb)  in sclp_read_info_early()  argument
83 			memset(sccb, 0, sizeof(*sccb));  in sclp_read_info_early()
84 			sccb->header.length = sizeof(*sccb);  in sclp_read_info_early()
85 			sccb->header.function_code = 0x80;  in sclp_read_info_early()
86 			sccb->header.control_mask[2] = 0x80;  in sclp_read_info_early()
87 			rc = sclp_cmd_sync_early(commands[i], sccb);  in sclp_read_info_early()
92 		if (sccb->header.response_code == 0x10)  in sclp_read_info_early()
94 		if (sccb->header.response_code != 0x1f0)  in sclp_read_info_early()
100 static void __init sclp_facilities_detect(struct read_info_sccb *sccb)  in sclp_facilities_detect()  argument
105 	if (sclp_read_info_early(sccb))  in sclp_facilities_detect()
108 	sclp.facilities = sccb->facilities;  in sclp_facilities_detect()
109 	sclp.has_sprp = !!(sccb->fac84 & 0x02);  in sclp_facilities_detect()
110 	sclp.has_core_type = !!(sccb->fac84 & 0x01);  in sclp_facilities_detect()
111 	if (sccb->fac85 & 0x02)  in sclp_facilities_detect()
113 	sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;  in sclp_facilities_detect()
114 	sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;  in sclp_facilities_detect()
116 	sclp.ibc = sccb->ibc;  in sclp_facilities_detect()
118 	if (!sccb->hcpua) {  in sclp_facilities_detect()
122 			sclp.max_cores = sccb->ncpurl;  in sclp_facilities_detect()
124 		sclp.max_cores = sccb->hcpua + 1;  in sclp_facilities_detect()
128 	cpue = (void *)sccb + sccb->cpuoff;  in sclp_facilities_detect()
129 	for (cpu = 0; cpu < sccb->ncpurl; cpue++, cpu++) {  in sclp_facilities_detect()
139 	if (sccb->flags & 0x2)  in sclp_facilities_detect()
141 	memcpy(&sclp_ipl_info.loadparm, &sccb->loadparm, LOADPARM_LEN);  in sclp_facilities_detect()
143 	sclp.mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;  in sclp_facilities_detect()
144 	sclp.mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;  in sclp_facilities_detect()
145 	sclp.mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;  in sclp_facilities_detect()
158 static int __init sclp_cmd_early(sclp_cmdw_t cmd, void *sccb)  in sclp_cmd_early()  argument
163 		rc = sclp_cmd_sync_early(cmd, sccb);  in sclp_cmd_early()
168 	if (((struct sccb_header *) sccb)->response_code != 0x0020)  in sclp_cmd_early()
173 static void __init sccb_init_eq_size(struct sdias_sccb *sccb)  in sccb_init_eq_size()  argument
175 	memset(sccb, 0, sizeof(*sccb));  in sccb_init_eq_size()
177 	sccb->hdr.length = sizeof(*sccb);  in sccb_init_eq_size()
178 	sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf);  in sccb_init_eq_size()
179 	sccb->evbuf.hdr.type = EVTYP_SDIAS;  in sccb_init_eq_size()
180 	sccb->evbuf.event_qual = SDIAS_EQ_SIZE;  in sccb_init_eq_size()
181 	sccb->evbuf.data_id = SDIAS_DI_FCP_DUMP;  in sccb_init_eq_size()
182 	sccb->evbuf.event_id = 4712;  in sccb_init_eq_size()
183 	sccb->evbuf.dbs = 1;  in sccb_init_eq_size()
186 static int __init sclp_set_event_mask(struct init_sccb *sccb,  in sclp_set_event_mask()  argument
190 	memset(sccb, 0, sizeof(*sccb));  in sclp_set_event_mask()
191 	sccb->header.length = sizeof(*sccb);  in sclp_set_event_mask()
192 	sccb->mask_length = sizeof(sccb_mask_t);  in sclp_set_event_mask()
193 	sccb->receive_mask = receive_mask;  in sclp_set_event_mask()
194 	sccb->send_mask = send_mask;  in sclp_set_event_mask()
195 	return sclp_cmd_early(SCLP_CMDW_WRITE_EVENT_MASK, sccb);  in sclp_set_event_mask()
198 static long __init sclp_hsa_size_init(struct sdias_sccb *sccb)  in sclp_hsa_size_init()  argument
200 	sccb_init_eq_size(sccb);  in sclp_hsa_size_init()
201 	if (sclp_cmd_early(SCLP_CMDW_WRITE_EVENT_DATA, sccb))  in sclp_hsa_size_init()
203 	if (sccb->evbuf.blk_cnt == 0)  in sclp_hsa_size_init()
205 	return (sccb->evbuf.blk_cnt - 1) * PAGE_SIZE;  in sclp_hsa_size_init()
208 static long __init sclp_hsa_copy_wait(struct sccb_header *sccb)  in sclp_hsa_copy_wait()  argument
210 	memset(sccb, 0, PAGE_SIZE);  in sclp_hsa_copy_wait()
211 	sccb->length = PAGE_SIZE;  in sclp_hsa_copy_wait()
212 	if (sclp_cmd_early(SCLP_CMDW_READ_EVENT_DATA, sccb))  in sclp_hsa_copy_wait()
214 	if (((struct sdias_sccb *) sccb)->evbuf.blk_cnt == 0)  in sclp_hsa_copy_wait()
216 	return (((struct sdias_sccb *) sccb)->evbuf.blk_cnt - 1) * PAGE_SIZE;  in sclp_hsa_copy_wait()
219 static void __init sclp_hsa_size_detect(void *sccb)  in sclp_hsa_size_detect()  argument
224 	if (sclp_set_event_mask(sccb, 0, 0x40000010))  in sclp_hsa_size_detect()
226 	size = sclp_hsa_size_init(sccb);  in sclp_hsa_size_detect()
232 	if (sclp_set_event_mask(sccb, 0x00000010, 0x40000010))  in sclp_hsa_size_detect()
234 	size = sclp_hsa_size_init(sccb);  in sclp_hsa_size_detect()
237 	size = sclp_hsa_copy_wait(sccb);  in sclp_hsa_size_detect()
244 static unsigned int __init sclp_con_check_linemode(struct init_sccb *sccb)  in sclp_con_check_linemode()  argument
246 	if (!(sccb->sclp_send_mask & EVTYP_OPCMD_MASK))  in sclp_con_check_linemode()
248 	if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))  in sclp_con_check_linemode()
253 static void __init sclp_console_detect(struct init_sccb *sccb)  in sclp_console_detect()  argument
255 	if (sccb->header.response_code != 0x20)  in sclp_console_detect()
258 	if (sccb->sclp_send_mask & EVTYP_VT220MSG_MASK)  in sclp_console_detect()
261 	if (sclp_con_check_linemode(sccb))  in sclp_console_detect()
267 	void *sccb = &sccb_early;  in sclp_early_detect()  local
269 	sclp_facilities_detect(sccb);  in sclp_early_detect()
270 	sclp_hsa_size_detect(sccb);  in sclp_early_detect()
275 	sclp_set_event_mask(sccb, 0, 0);  in sclp_early_detect()
276 	sclp_console_detect(sccb);  in sclp_early_detect()