769 chsc_remove_cmg_attr(struct channel_subsystem *css)  in chsc_remove_cmg_attr()  argument
774 		if (!css->chps[i])  in chsc_remove_cmg_attr()
776 		chp_remove_cmg_attr(css->chps[i]);  in chsc_remove_cmg_attr()
781 chsc_add_cmg_attr(struct channel_subsystem *css)  in chsc_add_cmg_attr()  argument
787 		if (!css->chps[i])  in chsc_add_cmg_attr()
789 		ret = chp_add_cmg_attr(css->chps[i]);  in chsc_add_cmg_attr()
796 		if (!css->chps[i])  in chsc_add_cmg_attr()
798 		chp_remove_cmg_attr(css->chps[i]);  in chsc_add_cmg_attr()
803 int __chsc_do_secm(struct channel_subsystem *css, int enable)  in __chsc_do_secm()  argument
831 	secm_area->cub_addr1 = (u64)(unsigned long)css->cub_addr1;  in __chsc_do_secm()
832 	secm_area->cub_addr2 = (u64)(unsigned long)css->cub_addr2;  in __chsc_do_secm()
859 chsc_secm(struct channel_subsystem *css, int enable)  in chsc_secm()  argument
863 	if (enable && !css->cm_enabled) {  in chsc_secm()
864 		css->cub_addr1 = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);  in chsc_secm()
865 		css->cub_addr2 = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);  in chsc_secm()
866 		if (!css->cub_addr1 || !css->cub_addr2) {  in chsc_secm()
867 			free_page((unsigned long)css->cub_addr1);  in chsc_secm()
868 			free_page((unsigned long)css->cub_addr2);  in chsc_secm()
872 	ret = __chsc_do_secm(css, enable);  in chsc_secm()
874 		css->cm_enabled = enable;  in chsc_secm()
875 		if (css->cm_enabled) {  in chsc_secm()
876 			ret = chsc_add_cmg_attr(css);  in chsc_secm()
878 				__chsc_do_secm(css, 0);  in chsc_secm()
879 				css->cm_enabled = 0;  in chsc_secm()
882 			chsc_remove_cmg_attr(css);  in chsc_secm()
884 	if (!css->cm_enabled) {  in chsc_secm()
885 		free_page((unsigned long)css->cub_addr1);  in chsc_secm()
886 		free_page((unsigned long)css->cub_addr2);  in chsc_secm()