54  *   <devno>		: (0x)?[0-9a-fA-F]+
55  *   <busid>		: [0-0a-f]\.[0-9a-f]\.(0x)?[0-9a-fA-F]+
66 int dasd_probeonly =  0;	/* is true, when probeonly mode is active */
67 int dasd_autodetect = 0;	/* is true, when autodetection is active */
68 int dasd_nopav = 0;		/* is true, when PAV is disabled */
99 	hash = 0;  in dasd_hash_busid()
100 	for (i = 0; (i < DASD_BUS_ID_SIZE) && *bus_id; i++, bus_id++)  in dasd_hash_busid()
102 	return hash & 0xff;  in dasd_hash_busid()
136 	if (strncmp(DASD_IPLDEV, str, strlen(DASD_IPLDEV)) == 0) {  in dasd_busid()
141 		*id0 = 0;  in dasd_busid()
145 		return 0;  in dasd_busid()
148 	/* Old style 0xXXXX or XXXX */  in dasd_busid()
150 		*id0 = *id1 = 0;  in dasd_busid()
151 		if (val > 0xffff)  in dasd_busid()
154 		return 0;  in dasd_busid()
159 	if (kstrtouint(tok, 16, &val) || val > 0xff)  in dasd_busid()
164 	if (kstrtouint(tok, 16, &val) || val > 0xff)  in dasd_busid()
169 	if (kstrtouint(tok, 16, &val) || val > 0xffff)  in dasd_busid()
173 	return 0;  in dasd_busid()
183 	features = 0;  in dasd_feature_list()
184 	rc = 0;  in dasd_feature_list()
190 		for (len = 0;  in dasd_feature_list()
226 	if (strncmp("autodetect", keyword, length) == 0) {  in dasd_parse_keyword()
229 		return 0;  in dasd_parse_keyword()
231 	if (strncmp("probeonly", keyword, length) == 0) {  in dasd_parse_keyword()
234 		return 0;  in dasd_parse_keyword()
236 	if (strncmp("nopav", keyword, length) == 0) {  in dasd_parse_keyword()
243 		return 0;  in dasd_parse_keyword()
245 	if (strncmp("nofcx", keyword, length) == 0) {  in dasd_parse_keyword()
249 		return 0;  in dasd_parse_keyword()
251 	if (strncmp("fixedbuffers", keyword, length) == 0) {  in dasd_parse_keyword()
253 			return 0;  in dasd_parse_keyword()
264 		return 0;  in dasd_parse_keyword()
276  * 0x4321 -> from: 0x4321 to: null features: null
281 	int rc = 0;  in dasd_evaluate_range_param()
316 	int rc = 0;  in dasd_parse_range()
349 	if (features < 0) {  in dasd_parse_range()
381 	rc = 0;  in dasd_parse()
382 	for (i = 0; i < DASD_MAX_PARAMS; i++) {  in dasd_parse()
386 		if (*cur == '\0')  in dasd_parse()
419 		if (strncmp(tmp->bus_id, bus_id, DASD_BUS_ID_SIZE) == 0) {  in dasd_add_busid()
447 		if (strncmp(tmp->bus_id, bus_id, DASD_BUS_ID_SIZE) == 0) {  in dasd_find_busid_locked()
475 	return IS_ERR(dasd_find_busid(bus_id)) ? -ENOENT : 0;  in dasd_busid_known()
489 	for (i = 0; i < 256; i++) {  in dasd_forget_ranges()
511 	for (i = 0; (i < 256) && !devmap; i++)  in dasd_device_from_devindex()
570 		rc = 0;  in dasd_create_device()
617 	return 0;  in dasd_devmap_get_pprc_status()
631 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_entry_from_pprc_data()
670 	if (i < 0) {  in dasd_devmap_check_copy_relation()
677 		if (data->dev_info[i].flags & 0x80) {  in dasd_devmap_check_copy_relation()
691 		if (!(data->dev_info[i].flags & 0x80)) {  in dasd_devmap_check_copy_relation()
710 	for (j = 0; j < DASD_CP_ENTRIES; j++) {  in dasd_devmap_check_copy_relation()
722 		if (dasd_devmap_entry_from_pprc_data(tmp_dat, uid, entry->primary) < 0) {  in dasd_devmap_check_copy_relation()
731 	return 0;  in dasd_devmap_check_copy_relation()
744 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_delete_copy_relation_device()
764 	int i, rc = 0;  in dasd_devmap_set_device_copy_relation()
790 	if (!data->dev_info[0].state) {  in dasd_devmap_set_device_copy_relation()
796 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_set_device_copy_relation()
799 			    copy->entry[i].busid, DASD_BUS_ID_SIZE) == 0) {  in dasd_devmap_set_device_copy_relation()
867 	wait_event(dasd_delete_wq, atomic_read(&device->ref_count) == 0);  in dasd_delete_device()
972 		ff_flag = (devmap->features & DASD_FEATURE_FAILFAST) != 0;  in dasd_ff_show()
974 		ff_flag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_FAILFAST) != 0;  in dasd_ff_show()
975 	return sysfs_emit(buf, ff_flag ? "1\n" : "0\n");  in dasd_ff_show()
984 	if (kstrtouint(buf, 0, &val) || val > 1)  in dasd_ff_store()
1002 	int ro_flag = 0;  in dasd_ro_show()
1017 	return sysfs_emit(buf, ro_flag ? "1\n" : "0\n");  in dasd_ro_show()
1030 	if (kstrtouint(buf, 0, &val) || val > 1)  in dasd_ro_store()
1075 		erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0;  in dasd_erplog_show()
1077 		erplog = (DASD_FEATURE_DEFAULT & DASD_FEATURE_ERPLOG) != 0;  in dasd_erplog_show()
1078 	return sysfs_emit(buf, erplog ? "1\n" : "0\n");  in dasd_erplog_show()
1088 	if (kstrtouint(buf, 0, &val) || val > 1)  in dasd_erplog_store()
1110 		use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0;  in dasd_use_diag_show()
1112 		use_diag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USEDIAG) != 0;  in dasd_use_diag_show()
1113 	return sysfs_emit(buf, use_diag ? "1\n" : "0\n");  in dasd_use_diag_show()
1128 	if (kstrtouint(buf, 0, &val) || val > 1)  in dasd_use_diag_store()
1159 		use_raw = (devmap->features & DASD_FEATURE_USERAW) != 0;  in dasd_use_raw_show()
1161 		use_raw = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USERAW) != 0;  in dasd_use_raw_show()
1162 	return sysfs_emit(buf, use_raw ? "1\n" : "0\n");  in dasd_use_raw_show()
1177 	if ((kstrtoul(buf, 10, &val) != 0) || val > 1)  in dasd_use_raw_store()
1255 	if (count < 0)  in dasd_access_show()
1337 		return sysfs_emit(buf, "0\n");  in dasd_alias_show()
1349 	return sysfs_emit(buf, "0\n");  in dasd_alias_show()
1386 	uid_string[0] = 0;  in dasd_uid_show()
1413 			 uid.vduit[0] ? "." : "", uid.vduit);  in dasd_uid_show()
1434 		eer_flag = 0;  in dasd_eer_show()
1435 	return sysfs_emit(buf, eer_flag ? "1\n" : "0\n");  in dasd_eer_show()
1444 	int rc = 0;  in dasd_eer_store()
1450 	if (kstrtouint(buf, 0, &val) || val > 1)  in dasd_eer_store()
1473 	unsigned int aq_mask = 0;  in dasd_aq_mask_show()
1488 	if (kstrtouint(buf, 0, &val) || val > DASD_EER_VALID)  in dasd_aq_mask_store()
1518 		flag = (devmap->features & DASD_FEATURE_REQUEUEQUIESCE) != 0;  in dasd_aqr_show()
1521 			DASD_FEATURE_REQUEUEQUIESCE) != 0;  in dasd_aqr_show()
1571 	if ((kstrtouint(buf, 10, &val) != 0) ||  in dasd_aq_timeouts_store()
1572 	    val > DASD_RETRIES_MAX || val == 0) {  in dasd_aq_timeouts_store()
1615 	if ((kstrtoul(buf, 10, &val) != 0) ||  in dasd_expires_store()
1616 	    (val > DASD_EXPIRES_MAX) || val == 0) {  in dasd_expires_store()
1655 	if ((kstrtoul(buf, 10, &val) != 0) ||  in dasd_retries_store()
1696 	if ((kstrtoul(buf, 10, &val) != 0) ||  in dasd_timeout_store()
1728 	if ((kstrtouint(buf, 16, &val) != 0) || val > 0xff)  in dasd_path_reset_store()
1729 		val = 0;  in dasd_path_reset_store()
1765 	int rc = 0;  in dasd_reservation_policy_show()
1789 		rc = dasd_set_feature(cdev, DASD_FEATURE_FAILONSLCK, 0);  in dasd_reservation_policy_store()
1806 	int rc = 0;  in dasd_reservation_state_show()
1827 	int rc = 0;  in dasd_reservation_state_store()
1855 		return sysfs_emit(buf, "0\n");  in dasd_pm_show()
1901 	if (kstrtoul(buf, 10, &val) != 0 || val > DASD_THRHLD_MAX) {  in dasd_path_threshold_store()
1927 		flag = (devmap->features & DASD_FEATURE_PATH_AUTODISABLE) != 0;  in dasd_path_autodisable_show()
1930 			DASD_FEATURE_PATH_AUTODISABLE) != 0;  in dasd_path_autodisable_show()
1931 	return sysfs_emit(buf, flag ? "1\n" : "0\n");  in dasd_path_autodisable_show()
1942 	if (kstrtouint(buf, 0, &val) || val > 1)  in dasd_path_autodisable_store()
1986 	if ((kstrtoul(buf, 10, &val) != 0) ||  in dasd_path_interval_store()
1987 	    (val > DASD_INTERVAL_MAX) || val == 0) {  in dasd_path_interval_store()
2047 	int len = 0;  in dasd_copy_pair_show()
2059 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_copy_pair_show()
2070 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_copy_pair_show()
2088 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_set_copy_relation()
2091 		    strncmp(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE) == 0)  in dasd_devmap_set_copy_relation()
2092 			return 0;  in dasd_devmap_set_copy_relation()
2109 	return 0;  in dasd_devmap_set_copy_relation()
2119 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_del_copy_relation()
2121 		    strncmp(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE) == 0)  in dasd_devmap_del_copy_relation()
2130 	memset(copy->entry[i].busid, 0, DASD_BUS_ID_SIZE);  in dasd_devmap_del_copy_relation()
2154 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_clear_copy_relation()
2165 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_devmap_clear_copy_relation()
2166 		if (strlen(copy->entry[i].busid) == 0)  in dasd_devmap_clear_copy_relation()
2175 		memset(copy->entry[i].busid, 0, DASD_BUS_ID_SIZE);  in dasd_devmap_clear_copy_relation()
2178 	rc = 0;  in dasd_devmap_clear_copy_relation()
2220 	return 0;  in dasd_devmap_parse_busid()
2235 	if (strncmp(buf, "clear", strlen("clear")) == 0) {  in dasd_copy_pair_store()
2245 	if (strncmp(dev_name(dev), prim_busid, DASD_BUS_ID_SIZE) != 0 &&  in dasd_copy_pair_store()
2246 	    strncmp(dev_name(dev), sec_busid, DASD_BUS_ID_SIZE) != 0)  in dasd_copy_pair_store()
2335 	for (i = 0; i < DASD_CP_ENTRIES; i++) {  in dasd_copy_role_show()
2390 	int val = 0;							\
2498 	return ((devmap->features & feature) != 0);  in dasd_get_feature()
2503  * Flag indicates whether to set (!=0) or the reset (=0) the feature.
2522 	return 0;  in dasd_set_feature()
2574 	for (lpm = 0x80; lpm; lpm >>= 1) {  in dasd_path_create_kobjects()
2598 	for (i = 0; i < 8; i++)  in dasd_path_remove_kobjects()
2609 	dasd_max_devindex = 0;  in dasd_devmap_init()
2610 	for (i = 0; i < 256; i++)  in dasd_devmap_init()
2612 	return 0;  in dasd_devmap_init()