56 	struct slot *slot_cur = *sl;  in get_cur_bus_info()  local
58 	debug("options = %x\n", slot_cur->ctrl->options);  in get_cur_bus_info()
59 	debug("revision = %x\n", slot_cur->ctrl->revision);  in get_cur_bus_info()
61 	if (READ_BUS_STATUS(slot_cur->ctrl))  in get_cur_bus_info()
62 		rc = ibmphp_hpc_readslot(slot_cur, READ_BUSSTATUS, NULL);  in get_cur_bus_info()
67 	slot_cur->bus_on->current_speed = CURRENT_BUS_SPEED(slot_cur->busstatus);  in get_cur_bus_info()
68 	if (READ_BUS_MODE(slot_cur->ctrl))  in get_cur_bus_info()
69 		slot_cur->bus_on->current_bus_mode =  in get_cur_bus_info()
70 				CURRENT_BUS_MODE(slot_cur->busstatus);  in get_cur_bus_info()
72 		slot_cur->bus_on->current_bus_mode = 0xFF;  in get_cur_bus_info()
75 			slot_cur->busstatus,  in get_cur_bus_info()
76 			slot_cur->bus_on->current_speed,  in get_cur_bus_info()
77 			slot_cur->bus_on->current_bus_mode);  in get_cur_bus_info()
79 	*sl = slot_cur;  in get_cur_bus_info()
96 	struct slot *slot_cur;  in get_max_slots()  local
99 	list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {  in get_max_slots()
101 		slot_count = max(slot_count, slot_cur->number);  in get_max_slots()
178 static inline int power_on(struct slot *slot_cur)  in power_on()  argument
183 	retval = ibmphp_hpc_writeslot(slot_cur, cmd);  in power_on()
188 	if (CTLR_RESULT(slot_cur->ctrl->status)) {  in power_on()
196 static inline int power_off(struct slot *slot_cur)  in power_off()  argument
201 	retval = ibmphp_hpc_writeslot(slot_cur, cmd);  in power_off()
206 	if (CTLR_RESULT(slot_cur->ctrl->status)) {  in power_off()
403 	struct slot *slot_cur;  in init_ops()  local
407 	list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {  in init_ops()
409 							slot_cur->number);  in init_ops()
410 		if (slot_cur->ctrl->revision == 0xFF)  in init_ops()
411 			if (get_ctrl_revision(slot_cur,  in init_ops()
412 						&slot_cur->ctrl->revision))  in init_ops()
415 		if (slot_cur->bus_on->current_speed == 0xFF)  in init_ops()
416 			if (get_cur_bus_info(&slot_cur))  in init_ops()
418 		get_max_bus_speed(slot_cur);  in init_ops()
420 		if (slot_cur->ctrl->options == 0xFF)  in init_ops()
421 			if (get_hpc_options(slot_cur, &slot_cur->ctrl->options))  in init_ops()
424 		retval = slot_update(&slot_cur);  in init_ops()
428 		debug("status = %x\n", slot_cur->status);  in init_ops()
429 		debug("ext_status = %x\n", slot_cur->ext_status);  in init_ops()
430 		debug("SLOT_POWER = %x\n", SLOT_POWER(slot_cur->status));  in init_ops()
431 		debug("SLOT_PRESENT = %x\n", SLOT_PRESENT(slot_cur->status));  in init_ops()
432 		debug("SLOT_LATCH = %x\n", SLOT_LATCH(slot_cur->status));  in init_ops()
434 		if ((SLOT_PWRGD(slot_cur->status)) &&  in init_ops()
435 		    !(SLOT_PRESENT(slot_cur->status)) &&  in init_ops()
436 		    !(SLOT_LATCH(slot_cur->status))) {  in init_ops()
438 				rc = power_off(slot_cur);  in init_ops()
458 static int validate(struct slot *slot_cur, int opn)  in validate()  argument
463 	if (!slot_cur)  in validate()
465 	number = slot_cur->number;  in validate()
468 	debug("slot_number in validate is %d\n", slot_cur->number);  in validate()
470 	retval = slot_update(&slot_cur);  in validate()
476 			if (!(SLOT_PWRGD(slot_cur->status)) &&  in validate()
477 			     (SLOT_PRESENT(slot_cur->status)) &&  in validate()
478 			     !(SLOT_LATCH(slot_cur->status)))  in validate()
482 			if ((SLOT_PWRGD(slot_cur->status)) &&  in validate()
483 			    (SLOT_PRESENT(slot_cur->status)) &&  in validate()
484 			    !(SLOT_LATCH(slot_cur->status)))  in validate()
499 int ibmphp_update_slot_info(struct slot *slot_cur)  in ibmphp_update_slot_info()  argument
501 	struct pci_bus *bus = slot_cur->hotplug_slot.pci_slot->bus;  in ibmphp_update_slot_info()
505 	bus_speed = slot_cur->bus_on->current_speed;  in ibmphp_update_slot_info()
506 	mode = slot_cur->bus_on->current_bus_mode;  in ibmphp_update_slot_info()
542 	struct slot *slot_cur;  in ibm_slot_find()  local
543 	list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {  in ibm_slot_find()
544 		if (slot_cur->func) {  in ibm_slot_find()
545 			func_cur = slot_cur->func;  in ibm_slot_find()
565 	struct slot *slot_cur, *next;  in free_slots()  local
569 	list_for_each_entry_safe(slot_cur, next, &ibmphp_slot_head,  in free_slots()
571 		pci_hp_del(&slot_cur->hotplug_slot);  in free_slots()
572 		slot_cur->ctrl = NULL;  in free_slots()
573 		slot_cur->bus_on = NULL;  in free_slots()
579 		ibmphp_unconfigure_card(&slot_cur, -1);  in free_slots()
581 		pci_hp_destroy(&slot_cur->hotplug_slot);  in free_slots()
582 		kfree(slot_cur);  in free_slots()
707 static int is_bus_empty(struct slot *slot_cur)  in is_bus_empty()  argument
711 	u8 i = slot_cur->bus_on->slot_min;  in is_bus_empty()
713 	while (i <= slot_cur->bus_on->slot_max) {  in is_bus_empty()
714 		if (i == slot_cur->number) {  in is_bus_empty()
738 static int set_bus(struct slot *slot_cur)  in set_bus()  argument
749 	debug("%s - entry slot # %d\n", __func__, slot_cur->number);  in set_bus()
750 	if (SET_BUS_STATUS(slot_cur->ctrl) && is_bus_empty(slot_cur)) {  in set_bus()
751 		rc = slot_update(&slot_cur);  in set_bus()
754 		speed = SLOT_SPEED(slot_cur->ext_status);  in set_bus()
755 		debug("ext_status = %x, speed = %x\n", slot_cur->ext_status, speed);  in set_bus()
761 			if (SLOT_PCIX(slot_cur->ext_status)) {  in set_bus()
762 				if ((slot_cur->supported_speed >= BUS_SPEED_66) &&  in set_bus()
763 						(slot_cur->supported_bus_mode == BUS_MODE_PCIX))  in set_bus()
765 				else if (!SLOT_BUS_MODE(slot_cur->ext_status))  in set_bus()
773 				if (slot_cur->supported_speed >= BUS_SPEED_66)  in set_bus()
780 			switch (slot_cur->supported_speed) {  in set_bus()
785 				if (slot_cur->supported_bus_mode == BUS_MODE_PCIX)  in set_bus()
796 					ibmphp_hpc_writeslot(slot_cur,  in set_bus()
810 						slot_cur->number, cmd);  in set_bus()
811 		retval = ibmphp_hpc_writeslot(slot_cur, cmd);  in set_bus()
816 		if (CTLR_RESULT(slot_cur->ctrl->status)) {  in set_bus()
835 static int check_limitations(struct slot *slot_cur)  in check_limitations()  argument
842 	for (i = slot_cur->bus_on->slot_min; i <= slot_cur->bus_on->slot_max; i++) {  in check_limitations()
850 	get_cur_bus_info(&slot_cur);  in check_limitations()
851 	switch (slot_cur->bus_on->current_speed) {  in check_limitations()
853 		limitation = slot_cur->bus_on->slots_at_33_conv;  in check_limitations()
856 		if (slot_cur->bus_on->current_bus_mode == BUS_MODE_PCIX)  in check_limitations()
857 			limitation = slot_cur->bus_on->slots_at_66_pcix;  in check_limitations()
859 			limitation = slot_cur->bus_on->slots_at_66_conv;  in check_limitations()
862 		limitation = slot_cur->bus_on->slots_at_100_pcix;  in check_limitations()
865 		limitation = slot_cur->bus_on->slots_at_133_pcix;  in check_limitations()
874 static inline void print_card_capability(struct slot *slot_cur)  in print_card_capability()  argument
877 	if ((slot_cur->ext_status & CARD_INFO) == PCIX133)  in print_card_capability()
879 	else if ((slot_cur->ext_status & CARD_INFO) == PCIX66)  in print_card_capability()
881 	else if ((slot_cur->ext_status & CARD_INFO) == PCI66)  in print_card_capability()
896 	struct slot *slot_cur;  in enable_slot()  local
903 	slot_cur = to_slot(hs);  in enable_slot()
905 	rc = validate(slot_cur, ENABLE);  in enable_slot()
911 	attn_LED_blink(slot_cur);  in enable_slot()
913 	rc = set_bus(slot_cur);  in enable_slot()
920 	get_cur_bus_info(&slot_cur);  in enable_slot()
922 					slot_cur->bus_on->current_speed);  in enable_slot()
925 	rc = check_limitations(slot_cur);  in enable_slot()
934 	rc = power_on(slot_cur);  in enable_slot()
939 		attn_off(slot_cur);  in enable_slot()
940 		attn_on(slot_cur);  in enable_slot()
941 		if (slot_update(&slot_cur)) {  in enable_slot()
942 			attn_off(slot_cur);  in enable_slot()
943 			attn_on(slot_cur);  in enable_slot()
948 		if ((SLOT_POWER(slot_cur->status)) &&  in enable_slot()
949 					!(SLOT_PWRGD(slot_cur->status)))  in enable_slot()
951 		else if (SLOT_BUS_SPEED(slot_cur->status)) {  in enable_slot()
953 			print_card_capability(slot_cur);  in enable_slot()
954 		} else if (SLOT_BUS_MODE(slot_cur->ext_status)) {  in enable_slot()
956 			print_card_capability(slot_cur);  in enable_slot()
958 		ibmphp_update_slot_info(slot_cur);  in enable_slot()
963 	get_cur_bus_info(&slot_cur);  in enable_slot()
965 					slot_cur->bus_on->current_speed);  in enable_slot()
968 	rc = slot_update(&slot_cur);  in enable_slot()
973 	if (SLOT_POWER(slot_cur->status) && !(SLOT_PWRGD(slot_cur->status))) {  in enable_slot()
977 	if (SLOT_POWER(slot_cur->status) && (SLOT_BUS_SPEED(slot_cur->status))) {  in enable_slot()
979 		print_card_capability(slot_cur);  in enable_slot()
984 	if (!(SLOT_POWER(slot_cur->status))) {  in enable_slot()
989 	slot_cur->func = kzalloc(sizeof(struct pci_func), GFP_KERNEL);  in enable_slot()
990 	if (!slot_cur->func) {  in enable_slot()
995 	slot_cur->func->busno = slot_cur->bus;  in enable_slot()
996 	slot_cur->func->device = slot_cur->device;  in enable_slot()
998 		slot_cur->func->irq[i] = slot_cur->irq[i];  in enable_slot()
1001 					slot_cur->bus, slot_cur->device);  in enable_slot()
1003 	if (ibmphp_configure_card(slot_cur->func, slot_cur->number)) {  in enable_slot()
1007 		ibmphp_unconfigure_card(&slot_cur, 1);  in enable_slot()
1009 		slot_cur->func = NULL;  in enable_slot()
1016 		tmp_func = ibm_slot_find(slot_cur->bus, slot_cur->func->device,  in enable_slot()
1022 	attn_off(slot_cur);  in enable_slot()
1023 	if (slot_update(&slot_cur)) {  in enable_slot()
1028 	rc = ibmphp_update_slot_info(slot_cur);  in enable_slot()
1034 	attn_off(slot_cur);	/* need to turn off if was blinking b4 */  in enable_slot()
1035 	attn_on(slot_cur);  in enable_slot()
1037 	rcpr = slot_update(&slot_cur);  in enable_slot()
1042 	ibmphp_update_slot_info(slot_cur);  in enable_slot()
1046 	attn_off(slot_cur);	/* need to turn off if was blinking b4 */  in enable_slot()
1047 	attn_on(slot_cur);  in enable_slot()
1048 	rcpr = power_off(slot_cur);  in enable_slot()
1073 int ibmphp_do_disable_slot(struct slot *slot_cur)  in ibmphp_do_disable_slot()  argument
1080 	if ((slot_cur == NULL) || (slot_cur->ctrl == NULL))  in ibmphp_do_disable_slot()
1083 	flag = slot_cur->flag;  in ibmphp_do_disable_slot()
1084 	slot_cur->flag = 1;  in ibmphp_do_disable_slot()
1087 		rc = validate(slot_cur, DISABLE);  in ibmphp_do_disable_slot()
1092 	attn_LED_blink(slot_cur);  in ibmphp_do_disable_slot()
1094 	if (slot_cur->func == NULL) {  in ibmphp_do_disable_slot()
1096 		slot_cur->func = kzalloc(sizeof(struct pci_func), GFP_KERNEL);  in ibmphp_do_disable_slot()
1097 		if (!slot_cur->func) {  in ibmphp_do_disable_slot()
1101 		slot_cur->func->busno = slot_cur->bus;  in ibmphp_do_disable_slot()
1102 		slot_cur->func->device = slot_cur->device;  in ibmphp_do_disable_slot()
1105 	ibm_unconfigure_device(slot_cur->func);  in ibmphp_do_disable_slot()
1115 		attn_off(slot_cur);  in ibmphp_do_disable_slot()
1119 	rc = ibmphp_unconfigure_card(&slot_cur, 0);  in ibmphp_do_disable_slot()
1120 	slot_cur->func = NULL;  in ibmphp_do_disable_slot()
1127 	rc = ibmphp_hpc_writeslot(slot_cur, HPC_SLOT_OFF);  in ibmphp_do_disable_slot()
1131 	attn_off(slot_cur);  in ibmphp_do_disable_slot()
1132 	rc = slot_update(&slot_cur);  in ibmphp_do_disable_slot()
1136 	rc = ibmphp_update_slot_info(slot_cur);  in ibmphp_do_disable_slot()
1143 	attn_off(slot_cur);  in ibmphp_do_disable_slot()
1144 	attn_on(slot_cur);  in ibmphp_do_disable_slot()
1145 	if (slot_update(&slot_cur)) {  in ibmphp_do_disable_slot()
1150 		ibmphp_update_slot_info(slot_cur);  in ibmphp_do_disable_slot()