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Diffstat (limited to 'arch/s390/kernel/ipl.c')
-rw-r--r--arch/s390/kernel/ipl.c147
1 files changed, 82 insertions, 65 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index ce0856d32500..b97694fa62ec 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -162,22 +162,25 @@ EXPORT_SYMBOL_GPL(diag308);
162/* SYSFS */ 162/* SYSFS */
163 163
164#define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value) \ 164#define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value) \
165static ssize_t sys_##_prefix##_##_name##_show(struct kset *kset, \ 165static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \
166 struct kobj_attribute *attr, \
166 char *page) \ 167 char *page) \
167{ \ 168{ \
168 return sprintf(page, _format, _value); \ 169 return sprintf(page, _format, _value); \
169} \ 170} \
170static struct subsys_attribute sys_##_prefix##_##_name##_attr = \ 171static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
171 __ATTR(_name, S_IRUGO, sys_##_prefix##_##_name##_show, NULL); 172 __ATTR(_name, S_IRUGO, sys_##_prefix##_##_name##_show, NULL);
172 173
173#define DEFINE_IPL_ATTR_RW(_prefix, _name, _fmt_out, _fmt_in, _value) \ 174#define DEFINE_IPL_ATTR_RW(_prefix, _name, _fmt_out, _fmt_in, _value) \
174static ssize_t sys_##_prefix##_##_name##_show(struct kset *kset, \ 175static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \
176 struct kobj_attribute *attr, \
175 char *page) \ 177 char *page) \
176{ \ 178{ \
177 return sprintf(page, _fmt_out, \ 179 return sprintf(page, _fmt_out, \
178 (unsigned long long) _value); \ 180 (unsigned long long) _value); \
179} \ 181} \
180static ssize_t sys_##_prefix##_##_name##_store(struct kset *kset, \ 182static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \
183 struct kobj_attribute *attr, \
181 const char *buf, size_t len) \ 184 const char *buf, size_t len) \
182{ \ 185{ \
183 unsigned long long value; \ 186 unsigned long long value; \
@@ -186,25 +189,27 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kset *kset, \
186 _value = value; \ 189 _value = value; \
187 return len; \ 190 return len; \
188} \ 191} \
189static struct subsys_attribute sys_##_prefix##_##_name##_attr = \ 192static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
190 __ATTR(_name,(S_IRUGO | S_IWUSR), \ 193 __ATTR(_name,(S_IRUGO | S_IWUSR), \
191 sys_##_prefix##_##_name##_show, \ 194 sys_##_prefix##_##_name##_show, \
192 sys_##_prefix##_##_name##_store); 195 sys_##_prefix##_##_name##_store);
193 196
194#define DEFINE_IPL_ATTR_STR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)\ 197#define DEFINE_IPL_ATTR_STR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)\
195static ssize_t sys_##_prefix##_##_name##_show(struct kset *kset, \ 198static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \
199 struct kobj_attribute *attr, \
196 char *page) \ 200 char *page) \
197{ \ 201{ \
198 return sprintf(page, _fmt_out, _value); \ 202 return sprintf(page, _fmt_out, _value); \
199} \ 203} \
200static ssize_t sys_##_prefix##_##_name##_store(struct kset *kset, \ 204static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \
205 struct kobj_attribute *attr, \
201 const char *buf, size_t len) \ 206 const char *buf, size_t len) \
202{ \ 207{ \
203 if (sscanf(buf, _fmt_in, _value) != 1) \ 208 if (sscanf(buf, _fmt_in, _value) != 1) \
204 return -EINVAL; \ 209 return -EINVAL; \
205 return len; \ 210 return len; \
206} \ 211} \
207static struct subsys_attribute sys_##_prefix##_##_name##_attr = \ 212static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
208 __ATTR(_name,(S_IRUGO | S_IWUSR), \ 213 __ATTR(_name,(S_IRUGO | S_IWUSR), \
209 sys_##_prefix##_##_name##_show, \ 214 sys_##_prefix##_##_name##_show, \
210 sys_##_prefix##_##_name##_store); 215 sys_##_prefix##_##_name##_store);
@@ -270,14 +275,16 @@ void __init setup_ipl_info(void)
270struct ipl_info ipl_info; 275struct ipl_info ipl_info;
271EXPORT_SYMBOL_GPL(ipl_info); 276EXPORT_SYMBOL_GPL(ipl_info);
272 277
273static ssize_t ipl_type_show(struct kset *kset, char *page) 278static ssize_t ipl_type_show(struct kobject *kobj, struct kobj_attribute *attr,
279 char *page)
274{ 280{
275 return sprintf(page, "%s\n", ipl_type_str(ipl_info.type)); 281 return sprintf(page, "%s\n", ipl_type_str(ipl_info.type));
276} 282}
277 283
278static struct subsys_attribute sys_ipl_type_attr = __ATTR_RO(ipl_type); 284static struct kobj_attribute sys_ipl_type_attr = __ATTR_RO(ipl_type);
279 285
280static ssize_t sys_ipl_device_show(struct kset *kset, char *page) 286static ssize_t sys_ipl_device_show(struct kobject *kobj,
287 struct kobj_attribute *attr, char *page)
281{ 288{
282 struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START; 289 struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
283 290
@@ -292,7 +299,7 @@ static ssize_t sys_ipl_device_show(struct kset *kset, char *page)
292 } 299 }
293} 300}
294 301
295static struct subsys_attribute sys_ipl_device_attr = 302static struct kobj_attribute sys_ipl_device_attr =
296 __ATTR(device, S_IRUGO, sys_ipl_device_show, NULL); 303 __ATTR(device, S_IRUGO, sys_ipl_device_show, NULL);
297 304
298static ssize_t ipl_parameter_read(struct kobject *kobj, struct bin_attribute *attr, 305static ssize_t ipl_parameter_read(struct kobject *kobj, struct bin_attribute *attr,
@@ -367,7 +374,8 @@ static struct attribute_group ipl_fcp_attr_group = {
367 374
368/* CCW ipl device attributes */ 375/* CCW ipl device attributes */
369 376
370static ssize_t ipl_ccw_loadparm_show(struct kset *kset, char *page) 377static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj,
378 struct kobj_attribute *attr, char *page)
371{ 379{
372 char loadparm[LOADPARM_LEN + 1] = {}; 380 char loadparm[LOADPARM_LEN + 1] = {};
373 381
@@ -379,7 +387,7 @@ static ssize_t ipl_ccw_loadparm_show(struct kset *kset, char *page)
379 return sprintf(page, "%s\n", loadparm); 387 return sprintf(page, "%s\n", loadparm);
380} 388}
381 389
382static struct subsys_attribute sys_ipl_ccw_loadparm_attr = 390static struct kobj_attribute sys_ipl_ccw_loadparm_attr =
383 __ATTR(loadparm, 0444, ipl_ccw_loadparm_show, NULL); 391 __ATTR(loadparm, 0444, ipl_ccw_loadparm_show, NULL);
384 392
385static struct attribute *ipl_ccw_attrs[] = { 393static struct attribute *ipl_ccw_attrs[] = {
@@ -418,7 +426,7 @@ static struct attribute_group ipl_unknown_attr_group = {
418 .attrs = ipl_unknown_attrs, 426 .attrs = ipl_unknown_attrs,
419}; 427};
420 428
421static decl_subsys(ipl, NULL, NULL); 429static struct kset *ipl_kset;
422 430
423/* 431/*
424 * reipl section 432 * reipl section
@@ -465,7 +473,8 @@ static void reipl_get_ascii_loadparm(char *loadparm)
465 strstrip(loadparm); 473 strstrip(loadparm);
466} 474}
467 475
468static ssize_t reipl_ccw_loadparm_show(struct kset *kset, char *page) 476static ssize_t reipl_ccw_loadparm_show(struct kobject *kobj,
477 struct kobj_attribute *attr, char *page)
469{ 478{
470 char buf[LOADPARM_LEN + 1]; 479 char buf[LOADPARM_LEN + 1];
471 480
@@ -473,7 +482,8 @@ static ssize_t reipl_ccw_loadparm_show(struct kset *kset, char *page)
473 return sprintf(page, "%s\n", buf); 482 return sprintf(page, "%s\n", buf);
474} 483}
475 484
476static ssize_t reipl_ccw_loadparm_store(struct kset *kset, 485static ssize_t reipl_ccw_loadparm_store(struct kobject *kobj,
486 struct kobj_attribute *attr,
477 const char *buf, size_t len) 487 const char *buf, size_t len)
478{ 488{
479 int i, lp_len; 489 int i, lp_len;
@@ -500,7 +510,7 @@ static ssize_t reipl_ccw_loadparm_store(struct kset *kset,
500 return len; 510 return len;
501} 511}
502 512
503static struct subsys_attribute sys_reipl_ccw_loadparm_attr = 513static struct kobj_attribute sys_reipl_ccw_loadparm_attr =
504 __ATTR(loadparm, 0644, reipl_ccw_loadparm_show, 514 __ATTR(loadparm, 0644, reipl_ccw_loadparm_show,
505 reipl_ccw_loadparm_store); 515 reipl_ccw_loadparm_store);
506 516
@@ -568,13 +578,15 @@ static int reipl_set_type(enum ipl_type type)
568 return 0; 578 return 0;
569} 579}
570 580
571static ssize_t reipl_type_show(struct kset *kset, char *page) 581static ssize_t reipl_type_show(struct kobject *kobj,
582 struct kobj_attribute *attr, char *page)
572{ 583{
573 return sprintf(page, "%s\n", ipl_type_str(reipl_type)); 584 return sprintf(page, "%s\n", ipl_type_str(reipl_type));
574} 585}
575 586
576static ssize_t reipl_type_store(struct kset *kset, const char *buf, 587static ssize_t reipl_type_store(struct kobject *kobj,
577 size_t len) 588 struct kobj_attribute *attr,
589 const char *buf, size_t len)
578{ 590{
579 int rc = -EINVAL; 591 int rc = -EINVAL;
580 592
@@ -587,10 +599,10 @@ static ssize_t reipl_type_store(struct kset *kset, const char *buf,
587 return (rc != 0) ? rc : len; 599 return (rc != 0) ? rc : len;
588} 600}
589 601
590static struct subsys_attribute reipl_type_attr = 602static struct kobj_attribute reipl_type_attr =
591 __ATTR(reipl_type, 0644, reipl_type_show, reipl_type_store); 603 __ATTR(reipl_type, 0644, reipl_type_show, reipl_type_store);
592 604
593static decl_subsys(reipl, NULL, NULL); 605static struct kset *reipl_kset;
594 606
595/* 607/*
596 * dump section 608 * dump section
@@ -663,13 +675,15 @@ static int dump_set_type(enum dump_type type)
663 return 0; 675 return 0;
664} 676}
665 677
666static ssize_t dump_type_show(struct kset *kset, char *page) 678static ssize_t dump_type_show(struct kobject *kobj,
679 struct kobj_attribute *attr, char *page)
667{ 680{
668 return sprintf(page, "%s\n", dump_type_str(dump_type)); 681 return sprintf(page, "%s\n", dump_type_str(dump_type));
669} 682}
670 683
671static ssize_t dump_type_store(struct kset *kset, const char *buf, 684static ssize_t dump_type_store(struct kobject *kobj,
672 size_t len) 685 struct kobj_attribute *attr,
686 const char *buf, size_t len)
673{ 687{
674 int rc = -EINVAL; 688 int rc = -EINVAL;
675 689
@@ -682,26 +696,28 @@ static ssize_t dump_type_store(struct kset *kset, const char *buf,
682 return (rc != 0) ? rc : len; 696 return (rc != 0) ? rc : len;
683} 697}
684 698
685static struct subsys_attribute dump_type_attr = 699static struct kobj_attribute dump_type_attr =
686 __ATTR(dump_type, 0644, dump_type_show, dump_type_store); 700 __ATTR(dump_type, 0644, dump_type_show, dump_type_store);
687 701
688static decl_subsys(dump, NULL, NULL); 702static struct kset *dump_kset;
689 703
690/* 704/*
691 * Shutdown actions section 705 * Shutdown actions section
692 */ 706 */
693 707
694static decl_subsys(shutdown_actions, NULL, NULL); 708static struct kset *shutdown_actions_kset;
695 709
696/* on panic */ 710/* on panic */
697 711
698static ssize_t on_panic_show(struct kset *kset, char *page) 712static ssize_t on_panic_show(struct kobject *kobj,
713 struct kobj_attribute *attr, char *page)
699{ 714{
700 return sprintf(page, "%s\n", shutdown_action_str(on_panic_action)); 715 return sprintf(page, "%s\n", shutdown_action_str(on_panic_action));
701} 716}
702 717
703static ssize_t on_panic_store(struct kset *kset, const char *buf, 718static ssize_t on_panic_store(struct kobject *kobj,
704 size_t len) 719 struct kobj_attribute *attr,
720 const char *buf, size_t len)
705{ 721{
706 if (strncmp(buf, SHUTDOWN_REIPL_STR, strlen(SHUTDOWN_REIPL_STR)) == 0) 722 if (strncmp(buf, SHUTDOWN_REIPL_STR, strlen(SHUTDOWN_REIPL_STR)) == 0)
707 on_panic_action = SHUTDOWN_REIPL; 723 on_panic_action = SHUTDOWN_REIPL;
@@ -717,7 +733,7 @@ static ssize_t on_panic_store(struct kset *kset, const char *buf,
717 return len; 733 return len;
718} 734}
719 735
720static struct subsys_attribute on_panic_attr = 736static struct kobj_attribute on_panic_attr =
721 __ATTR(on_panic, 0644, on_panic_show, on_panic_store); 737 __ATTR(on_panic, 0644, on_panic_show, on_panic_store);
722 738
723void do_reipl(void) 739void do_reipl(void)
@@ -814,23 +830,23 @@ static int __init ipl_register_fcp_files(void)
814{ 830{
815 int rc; 831 int rc;
816 832
817 rc = sysfs_create_group(&ipl_subsys.kobj, 833 rc = sysfs_create_group(&ipl_kset->kobj,
818 &ipl_fcp_attr_group); 834 &ipl_fcp_attr_group);
819 if (rc) 835 if (rc)
820 goto out; 836 goto out;
821 rc = sysfs_create_bin_file(&ipl_subsys.kobj, 837 rc = sysfs_create_bin_file(&ipl_kset->kobj,
822 &ipl_parameter_attr); 838 &ipl_parameter_attr);
823 if (rc) 839 if (rc)
824 goto out_ipl_parm; 840 goto out_ipl_parm;
825 rc = sysfs_create_bin_file(&ipl_subsys.kobj, 841 rc = sysfs_create_bin_file(&ipl_kset->kobj,
826 &ipl_scp_data_attr); 842 &ipl_scp_data_attr);
827 if (!rc) 843 if (!rc)
828 goto out; 844 goto out;
829 845
830 sysfs_remove_bin_file(&ipl_subsys.kobj, &ipl_parameter_attr); 846 sysfs_remove_bin_file(&ipl_kset->kobj, &ipl_parameter_attr);
831 847
832out_ipl_parm: 848out_ipl_parm:
833 sysfs_remove_group(&ipl_subsys.kobj, &ipl_fcp_attr_group); 849 sysfs_remove_group(&ipl_kset->kobj, &ipl_fcp_attr_group);
834out: 850out:
835 return rc; 851 return rc;
836} 852}
@@ -839,12 +855,12 @@ static int __init ipl_init(void)
839{ 855{
840 int rc; 856 int rc;
841 857
842 rc = firmware_register(&ipl_subsys); 858 ipl_kset = kset_create_and_add("ipl", NULL, firmware_kobj);
843 if (rc) 859 if (!ipl_kset)
844 return rc; 860 return -ENOMEM;
845 switch (ipl_info.type) { 861 switch (ipl_info.type) {
846 case IPL_TYPE_CCW: 862 case IPL_TYPE_CCW:
847 rc = sysfs_create_group(&ipl_subsys.kobj, 863 rc = sysfs_create_group(&ipl_kset->kobj,
848 &ipl_ccw_attr_group); 864 &ipl_ccw_attr_group);
849 break; 865 break;
850 case IPL_TYPE_FCP: 866 case IPL_TYPE_FCP:
@@ -852,16 +868,16 @@ static int __init ipl_init(void)
852 rc = ipl_register_fcp_files(); 868 rc = ipl_register_fcp_files();
853 break; 869 break;
854 case IPL_TYPE_NSS: 870 case IPL_TYPE_NSS:
855 rc = sysfs_create_group(&ipl_subsys.kobj, 871 rc = sysfs_create_group(&ipl_kset->kobj,
856 &ipl_nss_attr_group); 872 &ipl_nss_attr_group);
857 break; 873 break;
858 default: 874 default:
859 rc = sysfs_create_group(&ipl_subsys.kobj, 875 rc = sysfs_create_group(&ipl_kset->kobj,
860 &ipl_unknown_attr_group); 876 &ipl_unknown_attr_group);
861 break; 877 break;
862 } 878 }
863 if (rc) 879 if (rc)
864 firmware_unregister(&ipl_subsys); 880 kset_unregister(ipl_kset);
865 return rc; 881 return rc;
866} 882}
867 883
@@ -883,7 +899,7 @@ static int __init reipl_nss_init(void)
883 899
884 if (!MACHINE_IS_VM) 900 if (!MACHINE_IS_VM)
885 return 0; 901 return 0;
886 rc = sysfs_create_group(&reipl_subsys.kobj, &reipl_nss_attr_group); 902 rc = sysfs_create_group(&reipl_kset->kobj, &reipl_nss_attr_group);
887 if (rc) 903 if (rc)
888 return rc; 904 return rc;
889 strncpy(reipl_nss_name, kernel_nss_name, NSS_NAME_SIZE + 1); 905 strncpy(reipl_nss_name, kernel_nss_name, NSS_NAME_SIZE + 1);
@@ -898,7 +914,7 @@ static int __init reipl_ccw_init(void)
898 reipl_block_ccw = (void *) get_zeroed_page(GFP_KERNEL); 914 reipl_block_ccw = (void *) get_zeroed_page(GFP_KERNEL);
899 if (!reipl_block_ccw) 915 if (!reipl_block_ccw)
900 return -ENOMEM; 916 return -ENOMEM;
901 rc = sysfs_create_group(&reipl_subsys.kobj, &reipl_ccw_attr_group); 917 rc = sysfs_create_group(&reipl_kset->kobj, &reipl_ccw_attr_group);
902 if (rc) { 918 if (rc) {
903 free_page((unsigned long)reipl_block_ccw); 919 free_page((unsigned long)reipl_block_ccw);
904 return rc; 920 return rc;
@@ -936,7 +952,7 @@ static int __init reipl_fcp_init(void)
936 reipl_block_fcp = (void *) get_zeroed_page(GFP_KERNEL); 952 reipl_block_fcp = (void *) get_zeroed_page(GFP_KERNEL);
937 if (!reipl_block_fcp) 953 if (!reipl_block_fcp)
938 return -ENOMEM; 954 return -ENOMEM;
939 rc = sysfs_create_group(&reipl_subsys.kobj, &reipl_fcp_attr_group); 955 rc = sysfs_create_group(&reipl_kset->kobj, &reipl_fcp_attr_group);
940 if (rc) { 956 if (rc) {
941 free_page((unsigned long)reipl_block_fcp); 957 free_page((unsigned long)reipl_block_fcp);
942 return rc; 958 return rc;
@@ -958,12 +974,12 @@ static int __init reipl_init(void)
958{ 974{
959 int rc; 975 int rc;
960 976
961 rc = firmware_register(&reipl_subsys); 977 reipl_kset = kset_create_and_add("reipl", NULL, firmware_kobj);
962 if (rc) 978 if (!reipl_kset)
963 return rc; 979 return -ENOMEM;
964 rc = subsys_create_file(&reipl_subsys, &reipl_type_attr); 980 rc = sysfs_create_file(&reipl_kset->kobj, &reipl_type_attr.attr);
965 if (rc) { 981 if (rc) {
966 firmware_unregister(&reipl_subsys); 982 kset_unregister(reipl_kset);
967 return rc; 983 return rc;
968 } 984 }
969 rc = reipl_ccw_init(); 985 rc = reipl_ccw_init();
@@ -988,7 +1004,7 @@ static int __init dump_ccw_init(void)
988 dump_block_ccw = (void *) get_zeroed_page(GFP_KERNEL); 1004 dump_block_ccw = (void *) get_zeroed_page(GFP_KERNEL);
989 if (!dump_block_ccw) 1005 if (!dump_block_ccw)
990 return -ENOMEM; 1006 return -ENOMEM;
991 rc = sysfs_create_group(&dump_subsys.kobj, &dump_ccw_attr_group); 1007 rc = sysfs_create_group(&dump_kset->kobj, &dump_ccw_attr_group);
992 if (rc) { 1008 if (rc) {
993 free_page((unsigned long)dump_block_ccw); 1009 free_page((unsigned long)dump_block_ccw);
994 return rc; 1010 return rc;
@@ -1012,7 +1028,7 @@ static int __init dump_fcp_init(void)
1012 dump_block_fcp = (void *) get_zeroed_page(GFP_KERNEL); 1028 dump_block_fcp = (void *) get_zeroed_page(GFP_KERNEL);
1013 if (!dump_block_fcp) 1029 if (!dump_block_fcp)
1014 return -ENOMEM; 1030 return -ENOMEM;
1015 rc = sysfs_create_group(&dump_subsys.kobj, &dump_fcp_attr_group); 1031 rc = sysfs_create_group(&dump_kset->kobj, &dump_fcp_attr_group);
1016 if (rc) { 1032 if (rc) {
1017 free_page((unsigned long)dump_block_fcp); 1033 free_page((unsigned long)dump_block_fcp);
1018 return rc; 1034 return rc;
@@ -1047,12 +1063,12 @@ static int __init dump_init(void)
1047{ 1063{
1048 int rc; 1064 int rc;
1049 1065
1050 rc = firmware_register(&dump_subsys); 1066 dump_kset = kset_create_and_add("dump", NULL, firmware_kobj);
1051 if (rc) 1067 if (!dump_kset)
1052 return rc; 1068 return -ENOMEM;
1053 rc = subsys_create_file(&dump_subsys, &dump_type_attr); 1069 rc = sysfs_create_file(&dump_kset->kobj, &dump_type_attr);
1054 if (rc) { 1070 if (rc) {
1055 firmware_unregister(&dump_subsys); 1071 kset_unregister(dump_kset);
1056 return rc; 1072 return rc;
1057 } 1073 }
1058 rc = dump_ccw_init(); 1074 rc = dump_ccw_init();
@@ -1069,12 +1085,13 @@ static int __init shutdown_actions_init(void)
1069{ 1085{
1070 int rc; 1086 int rc;
1071 1087
1072 rc = firmware_register(&shutdown_actions_subsys); 1088 shutdown_actions_kset = kset_create_and_add("shutdown_actions", NULL,
1073 if (rc) 1089 firmware_kobj);
1074 return rc; 1090 if (!shutdown_actions_kset)
1075 rc = subsys_create_file(&shutdown_actions_subsys, &on_panic_attr); 1091 return -ENOMEM;
1092 rc = sysfs_create_file(&shutdown_actions_kset->kobj, &on_panic_attr);
1076 if (rc) { 1093 if (rc) {
1077 firmware_unregister(&shutdown_actions_subsys); 1094 kset_unregister(shutdown_actions_kset);
1078 return rc; 1095 return rc;
1079 } 1096 }
1080 atomic_notifier_chain_register(&panic_notifier_list, 1097 atomic_notifier_chain_register(&panic_notifier_list,