141 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_add_requester()  local
152 	if (ioatdca->requester_count == ioatdca->max_requesters)  in ioat_dca_add_requester()
155 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat_dca_add_requester()
156 		if (ioatdca->req_slots[i].pdev == NULL) {  in ioat_dca_add_requester()
158 			ioatdca->requester_count++;  in ioat_dca_add_requester()
159 			ioatdca->req_slots[i].pdev = pdev;  in ioat_dca_add_requester()
160 			ioatdca->req_slots[i].rid = id;  in ioat_dca_add_requester()
161 			writew(id, ioatdca->dca_base + (i * 4));  in ioat_dca_add_requester()
163 			writeb(0, ioatdca->dca_base + (i * 4) + 2);  in ioat_dca_add_requester()
174 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_remove_requester()  local
183 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat_dca_remove_requester()
184 		if (ioatdca->req_slots[i].pdev == pdev) {  in ioat_dca_remove_requester()
185 			writew(0, ioatdca->dca_base + (i * 4));  in ioat_dca_remove_requester()
186 			ioatdca->req_slots[i].pdev = NULL;  in ioat_dca_remove_requester()
187 			ioatdca->req_slots[i].rid = 0;  in ioat_dca_remove_requester()
188 			ioatdca->requester_count--;  in ioat_dca_remove_requester()
199 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_get_tag()  local
207 		entry = ioatdca->tag_map[i];  in ioat_dca_get_tag()
222 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_dev_managed()  local
227 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat_dca_dev_managed()
228 		if (ioatdca->req_slots[i].pdev == pdev)  in ioat_dca_dev_managed()
245 	struct ioat_dca_priv *ioatdca;  in ioat_dca_init()  local
288 			sizeof(*ioatdca) +  in ioat_dca_init()
293 	ioatdca = dca_priv(dca);  in ioat_dca_init()
294 	ioatdca->max_requesters = max_requesters;  in ioat_dca_init()
295 	ioatdca->dca_base = iobase + 0x54;  in ioat_dca_init()
299 		ioatdca->tag_map[i] = tag_map[i];  in ioat_dca_init()
313 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat2_dca_add_requester()  local
325 	if (ioatdca->requester_count == ioatdca->max_requesters)  in ioat2_dca_add_requester()
328 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat2_dca_add_requester()
329 		if (ioatdca->req_slots[i].pdev == NULL) {  in ioat2_dca_add_requester()
331 			ioatdca->requester_count++;  in ioat2_dca_add_requester()
332 			ioatdca->req_slots[i].pdev = pdev;  in ioat2_dca_add_requester()
333 			ioatdca->req_slots[i].rid = id;  in ioat2_dca_add_requester()
335 			      readw(ioatdca->dca_base + IOAT_DCA_GREQID_OFFSET);  in ioat2_dca_add_requester()
337 			       ioatdca->iobase + global_req_table + (i * 4));  in ioat2_dca_add_requester()
348 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat2_dca_remove_requester()  local
358 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat2_dca_remove_requester()
359 		if (ioatdca->req_slots[i].pdev == pdev) {  in ioat2_dca_remove_requester()
361 			      readw(ioatdca->dca_base + IOAT_DCA_GREQID_OFFSET);  in ioat2_dca_remove_requester()
362 			writel(0, ioatdca->iobase + global_req_table + (i * 4));  in ioat2_dca_remove_requester()
363 			ioatdca->req_slots[i].pdev = NULL;  in ioat2_dca_remove_requester()
364 			ioatdca->req_slots[i].rid = 0;  in ioat2_dca_remove_requester()
365 			ioatdca->requester_count--;  in ioat2_dca_remove_requester()
410 	struct ioat_dca_priv *ioatdca;  in ioat2_dca_init()  local
432 				 sizeof(*ioatdca)  in ioat2_dca_init()
437 	ioatdca = dca_priv(dca);  in ioat2_dca_init()
438 	ioatdca->iobase = iobase;  in ioat2_dca_init()
439 	ioatdca->dca_base = iobase + dca_offset;  in ioat2_dca_init()
440 	ioatdca->max_requesters = slots;  in ioat2_dca_init()
443 	csi_fsb_control = readw(ioatdca->dca_base + IOAT_FSB_CAP_ENABLE_OFFSET);  in ioat2_dca_init()
447 		       ioatdca->dca_base + IOAT_FSB_CAP_ENABLE_OFFSET);  in ioat2_dca_init()
449 	pcie_control = readw(ioatdca->dca_base + IOAT_PCI_CAP_ENABLE_OFFSET);  in ioat2_dca_init()
453 		       ioatdca->dca_base + IOAT_PCI_CAP_ENABLE_OFFSET);  in ioat2_dca_init()
460 	tag_map = readl(ioatdca->dca_base + IOAT_APICID_TAG_MAP_OFFSET);  in ioat2_dca_init()
464 			ioatdca->tag_map[i] = bit | DCA_TAG_MAP_VALID;  in ioat2_dca_init()
466 			ioatdca->tag_map[i] = 0;  in ioat2_dca_init()
469 	if (!dca2_tag_map_valid(ioatdca->tag_map)) {  in ioat2_dca_init()
489 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat3_dca_add_requester()  local
501 	if (ioatdca->requester_count == ioatdca->max_requesters)  in ioat3_dca_add_requester()
504 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat3_dca_add_requester()
505 		if (ioatdca->req_slots[i].pdev == NULL) {  in ioat3_dca_add_requester()
507 			ioatdca->requester_count++;  in ioat3_dca_add_requester()
508 			ioatdca->req_slots[i].pdev = pdev;  in ioat3_dca_add_requester()
509 			ioatdca->req_slots[i].rid = id;  in ioat3_dca_add_requester()
511 			      readw(ioatdca->dca_base + IOAT3_DCA_GREQID_OFFSET);  in ioat3_dca_add_requester()
513 			       ioatdca->iobase + global_req_table + (i * 4));  in ioat3_dca_add_requester()
524 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat3_dca_remove_requester()  local
534 	for (i = 0; i < ioatdca->max_requesters; i++) {  in ioat3_dca_remove_requester()
535 		if (ioatdca->req_slots[i].pdev == pdev) {  in ioat3_dca_remove_requester()
537 			      readw(ioatdca->dca_base + IOAT3_DCA_GREQID_OFFSET);  in ioat3_dca_remove_requester()
538 			writel(0, ioatdca->iobase + global_req_table + (i * 4));  in ioat3_dca_remove_requester()
539 			ioatdca->req_slots[i].pdev = NULL;  in ioat3_dca_remove_requester()
540 			ioatdca->req_slots[i].rid = 0;  in ioat3_dca_remove_requester()
541 			ioatdca->requester_count--;  in ioat3_dca_remove_requester()
554 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat3_dca_get_tag()  local
562 		entry = ioatdca->tag_map[i];  in ioat3_dca_get_tag()
624 	struct ioat_dca_priv *ioatdca;  in ioat3_dca_init()  local
653 				 sizeof(*ioatdca)  in ioat3_dca_init()
658 	ioatdca = dca_priv(dca);  in ioat3_dca_init()
659 	ioatdca->iobase = iobase;  in ioat3_dca_init()
660 	ioatdca->dca_base = iobase + dca_offset;  in ioat3_dca_init()
661 	ioatdca->max_requesters = slots;  in ioat3_dca_init()
664 	csi_fsb_control = readw(ioatdca->dca_base + IOAT3_CSI_CONTROL_OFFSET);  in ioat3_dca_init()
668 		       ioatdca->dca_base + IOAT3_CSI_CONTROL_OFFSET);  in ioat3_dca_init()
670 	pcie_control = readw(ioatdca->dca_base + IOAT3_PCI_CONTROL_OFFSET);  in ioat3_dca_init()
674 		       ioatdca->dca_base + IOAT3_PCI_CONTROL_OFFSET);  in ioat3_dca_init()
682 		readl(ioatdca->dca_base + IOAT3_APICID_TAG_MAP_OFFSET_LOW);  in ioat3_dca_init()
684 		readl(ioatdca->dca_base + IOAT3_APICID_TAG_MAP_OFFSET_HIGH);  in ioat3_dca_init()
687 		ioatdca->tag_map[i] = bit & DCA_TAG_MAP_MASK;  in ioat3_dca_init()
690 	if (dca3_tag_map_invalid(ioatdca->tag_map)) {  in ioat3_dca_init()