792 chsc_remove_cmg_attr(struct channel_subsystem *css)  in chsc_remove_cmg_attr()  argument
797 		if (!css->chps[i])  in chsc_remove_cmg_attr()
799 		chp_remove_cmg_attr(css->chps[i]);  in chsc_remove_cmg_attr()
804 chsc_add_cmg_attr(struct channel_subsystem *css)  in chsc_add_cmg_attr()  argument
810 		if (!css->chps[i])  in chsc_add_cmg_attr()
812 		ret = chp_add_cmg_attr(css->chps[i]);  in chsc_add_cmg_attr()
819 		if (!css->chps[i])  in chsc_add_cmg_attr()
821 		chp_remove_cmg_attr(css->chps[i]);  in chsc_add_cmg_attr()
826 int __chsc_do_secm(struct channel_subsystem *css, int enable)  in __chsc_do_secm()  argument
855 	secm_area->cub_addr1 = (u64)(unsigned long)css->cub_addr1;  in __chsc_do_secm()
856 	secm_area->cub_addr2 = (u64)(unsigned long)css->cub_addr2;  in __chsc_do_secm()
883 chsc_secm(struct channel_subsystem *css, int enable)  in chsc_secm()  argument
887 	if (enable && !css->cm_enabled) {  in chsc_secm()
888 		css->cub_addr1 = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);  in chsc_secm()
889 		css->cub_addr2 = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);  in chsc_secm()
890 		if (!css->cub_addr1 || !css->cub_addr2) {  in chsc_secm()
891 			free_page((unsigned long)css->cub_addr1);  in chsc_secm()
892 			free_page((unsigned long)css->cub_addr2);  in chsc_secm()
896 	ret = __chsc_do_secm(css, enable);  in chsc_secm()
898 		css->cm_enabled = enable;  in chsc_secm()
899 		if (css->cm_enabled) {  in chsc_secm()
900 			ret = chsc_add_cmg_attr(css);  in chsc_secm()
902 				__chsc_do_secm(css, 0);  in chsc_secm()
903 				css->cm_enabled = 0;  in chsc_secm()
906 			chsc_remove_cmg_attr(css);  in chsc_secm()
908 	if (!css->cm_enabled) {  in chsc_secm()
909 		free_page((unsigned long)css->cub_addr1);  in chsc_secm()
910 		free_page((unsigned long)css->cub_addr2);  in chsc_secm()