745 		struct intel_vgpu_oos_page *oos_page);
759 		if (spt->guest_page.oos_page)  in ppgtt_free_spt()
760 			detach_oos_page(spt->vgpu, spt->guest_page.oos_page);  in ppgtt_free_spt()
1446 		struct intel_vgpu_oos_page *oos_page)  in sync_oos_page()  argument
1451 	struct intel_vgpu_ppgtt_spt *spt = oos_page->spt;  in sync_oos_page()
1456 	trace_oos_change(vgpu->id, "sync", oos_page->id,  in sync_oos_page()
1464 		ops->get_entry(oos_page->mem, &old, index, false, 0, vgpu);  in sync_oos_page()
1472 		trace_oos_sync(vgpu->id, oos_page->id,  in sync_oos_page()
1480 		ops->set_entry(oos_page->mem, &new, index, false, 0, vgpu);  in sync_oos_page()
1489 		struct intel_vgpu_oos_page *oos_page)  in detach_oos_page()  argument
1492 	struct intel_vgpu_ppgtt_spt *spt = oos_page->spt;  in detach_oos_page()
1494 	trace_oos_change(vgpu->id, "detach", oos_page->id,  in detach_oos_page()
1498 	spt->guest_page.oos_page = NULL;  in detach_oos_page()
1499 	oos_page->spt = NULL;  in detach_oos_page()
1501 	list_del_init(&oos_page->vm_list);  in detach_oos_page()
1502 	list_move_tail(&oos_page->list, &gvt->gtt.oos_page_free_list_head);  in detach_oos_page()
1507 static int attach_oos_page(struct intel_vgpu_oos_page *oos_page,  in attach_oos_page()  argument
1515 			oos_page->mem, I915_GTT_PAGE_SIZE);  in attach_oos_page()
1519 	oos_page->spt = spt;  in attach_oos_page()
1520 	spt->guest_page.oos_page = oos_page;  in attach_oos_page()
1522 	list_move_tail(&oos_page->list, &gvt->gtt.oos_page_use_list_head);  in attach_oos_page()
1524 	trace_oos_change(spt->vgpu->id, "attach", oos_page->id,  in attach_oos_page()
1531 	struct intel_vgpu_oos_page *oos_page = spt->guest_page.oos_page;  in ppgtt_set_guest_page_sync()  local
1538 	trace_oos_change(spt->vgpu->id, "set page sync", oos_page->id,  in ppgtt_set_guest_page_sync()
1541 	list_del_init(&oos_page->vm_list);  in ppgtt_set_guest_page_sync()
1542 	return sync_oos_page(spt->vgpu, oos_page);  in ppgtt_set_guest_page_sync()
1549 	struct intel_vgpu_oos_page *oos_page = spt->guest_page.oos_page;  in ppgtt_allocate_oos_page()  local
1552 	WARN(oos_page, "shadow PPGTT page has already has a oos page\n");  in ppgtt_allocate_oos_page()
1555 		oos_page = container_of(gtt->oos_page_use_list_head.next,  in ppgtt_allocate_oos_page()
1557 		ret = ppgtt_set_guest_page_sync(oos_page->spt);  in ppgtt_allocate_oos_page()
1560 		ret = detach_oos_page(spt->vgpu, oos_page);  in ppgtt_allocate_oos_page()
1564 		oos_page = container_of(gtt->oos_page_free_list_head.next,  in ppgtt_allocate_oos_page()
1566 	return attach_oos_page(oos_page, spt);  in ppgtt_allocate_oos_page()
1571 	struct intel_vgpu_oos_page *oos_page = spt->guest_page.oos_page;  in ppgtt_set_guest_page_oos()  local
1573 	if (WARN(!oos_page, "shadow PPGTT page should have a oos page\n"))  in ppgtt_set_guest_page_oos()
1576 	trace_oos_change(spt->vgpu->id, "set page out of sync", oos_page->id,  in ppgtt_set_guest_page_oos()
1579 	list_add_tail(&oos_page->vm_list, &spt->vgpu->gtt.oos_page_list_head);  in ppgtt_set_guest_page_oos()
1596 	struct intel_vgpu_oos_page *oos_page;  in intel_vgpu_sync_oos_pages()  local
1603 		oos_page = container_of(pos,  in intel_vgpu_sync_oos_pages()
1605 		ret = ppgtt_set_guest_page_sync(oos_page->spt);  in intel_vgpu_sync_oos_pages()
1783 	if (spt->guest_page.oos_page)  in ppgtt_handle_guest_write_page_table_bytes()
1784 		ops->set_entry(spt->guest_page.oos_page->mem, &we, index,  in ppgtt_handle_guest_write_page_table_bytes()
1788 		if (!spt->guest_page.oos_page)  in ppgtt_handle_guest_write_page_table_bytes()
2594 	struct intel_vgpu_oos_page *oos_page;  in clean_spt_oos()  local
2600 		oos_page = container_of(pos, struct intel_vgpu_oos_page, list);  in clean_spt_oos()
2601 		list_del(&oos_page->list);  in clean_spt_oos()
2602 		free_page((unsigned long)oos_page->mem);  in clean_spt_oos()
2603 		kfree(oos_page);  in clean_spt_oos()
2610 	struct intel_vgpu_oos_page *oos_page;  in setup_spt_oos()  local
2618 		oos_page = kzalloc(sizeof(*oos_page), GFP_KERNEL);  in setup_spt_oos()
2619 		if (!oos_page) {  in setup_spt_oos()
2623 		oos_page->mem = (void *)__get_free_pages(GFP_KERNEL, 0);  in setup_spt_oos()
2624 		if (!oos_page->mem) {  in setup_spt_oos()
2626 			kfree(oos_page);  in setup_spt_oos()
2630 		INIT_LIST_HEAD(&oos_page->list);  in setup_spt_oos()
2631 		INIT_LIST_HEAD(&oos_page->vm_list);  in setup_spt_oos()
2632 		oos_page->id = i;  in setup_spt_oos()
2633 		list_add_tail(&oos_page->list, &gtt->oos_page_free_list_head);  in setup_spt_oos()