736 		struct intel_vgpu_oos_page *oos_page);
750 		if (spt->guest_page.oos_page)  in ppgtt_free_spt()
751 			detach_oos_page(spt->vgpu, spt->guest_page.oos_page);  in ppgtt_free_spt()
1428 		struct intel_vgpu_oos_page *oos_page)  in sync_oos_page()  argument
1433 	struct intel_vgpu_ppgtt_spt *spt = oos_page->spt;  in sync_oos_page()
1438 	trace_oos_change(vgpu->id, "sync", oos_page->id,  in sync_oos_page()
1446 		ops->get_entry(oos_page->mem, &old, index, false, 0, vgpu);  in sync_oos_page()
1454 		trace_oos_sync(vgpu->id, oos_page->id,  in sync_oos_page()
1462 		ops->set_entry(oos_page->mem, &new, index, false, 0, vgpu);  in sync_oos_page()
1471 		struct intel_vgpu_oos_page *oos_page)  in detach_oos_page()  argument
1474 	struct intel_vgpu_ppgtt_spt *spt = oos_page->spt;  in detach_oos_page()
1476 	trace_oos_change(vgpu->id, "detach", oos_page->id,  in detach_oos_page()
1480 	spt->guest_page.oos_page = NULL;  in detach_oos_page()
1481 	oos_page->spt = NULL;  in detach_oos_page()
1483 	list_del_init(&oos_page->vm_list);  in detach_oos_page()
1484 	list_move_tail(&oos_page->list, &gvt->gtt.oos_page_free_list_head);  in detach_oos_page()
1489 static int attach_oos_page(struct intel_vgpu_oos_page *oos_page,  in attach_oos_page()  argument
1497 			oos_page->mem, I915_GTT_PAGE_SIZE);  in attach_oos_page()
1501 	oos_page->spt = spt;  in attach_oos_page()
1502 	spt->guest_page.oos_page = oos_page;  in attach_oos_page()
1504 	list_move_tail(&oos_page->list, &gvt->gtt.oos_page_use_list_head);  in attach_oos_page()
1506 	trace_oos_change(spt->vgpu->id, "attach", oos_page->id,  in attach_oos_page()
1513 	struct intel_vgpu_oos_page *oos_page = spt->guest_page.oos_page;  in ppgtt_set_guest_page_sync()  local
1520 	trace_oos_change(spt->vgpu->id, "set page sync", oos_page->id,  in ppgtt_set_guest_page_sync()
1523 	list_del_init(&oos_page->vm_list);  in ppgtt_set_guest_page_sync()
1524 	return sync_oos_page(spt->vgpu, oos_page);  in ppgtt_set_guest_page_sync()
1531 	struct intel_vgpu_oos_page *oos_page = spt->guest_page.oos_page;  in ppgtt_allocate_oos_page()  local
1534 	WARN(oos_page, "shadow PPGTT page has already has a oos page\n");  in ppgtt_allocate_oos_page()
1537 		oos_page = container_of(gtt->oos_page_use_list_head.next,  in ppgtt_allocate_oos_page()
1539 		ret = ppgtt_set_guest_page_sync(oos_page->spt);  in ppgtt_allocate_oos_page()
1542 		ret = detach_oos_page(spt->vgpu, oos_page);  in ppgtt_allocate_oos_page()
1546 		oos_page = container_of(gtt->oos_page_free_list_head.next,  in ppgtt_allocate_oos_page()
1548 	return attach_oos_page(oos_page, spt);  in ppgtt_allocate_oos_page()
1553 	struct intel_vgpu_oos_page *oos_page = spt->guest_page.oos_page;  in ppgtt_set_guest_page_oos()  local
1555 	if (WARN(!oos_page, "shadow PPGTT page should have a oos page\n"))  in ppgtt_set_guest_page_oos()
1558 	trace_oos_change(spt->vgpu->id, "set page out of sync", oos_page->id,  in ppgtt_set_guest_page_oos()
1561 	list_add_tail(&oos_page->vm_list, &spt->vgpu->gtt.oos_page_list_head);  in ppgtt_set_guest_page_oos()
1578 	struct intel_vgpu_oos_page *oos_page;  in intel_vgpu_sync_oos_pages()  local
1585 		oos_page = container_of(pos,  in intel_vgpu_sync_oos_pages()
1587 		ret = ppgtt_set_guest_page_sync(oos_page->spt);  in intel_vgpu_sync_oos_pages()
1765 	if (spt->guest_page.oos_page)  in ppgtt_handle_guest_write_page_table_bytes()
1766 		ops->set_entry(spt->guest_page.oos_page->mem, &we, index,  in ppgtt_handle_guest_write_page_table_bytes()
1770 		if (!spt->guest_page.oos_page)  in ppgtt_handle_guest_write_page_table_bytes()
2559 	struct intel_vgpu_oos_page *oos_page;  in clean_spt_oos()  local
2565 		oos_page = container_of(pos, struct intel_vgpu_oos_page, list);  in clean_spt_oos()
2566 		list_del(&oos_page->list);  in clean_spt_oos()
2567 		free_page((unsigned long)oos_page->mem);  in clean_spt_oos()
2568 		kfree(oos_page);  in clean_spt_oos()
2575 	struct intel_vgpu_oos_page *oos_page;  in setup_spt_oos()  local
2583 		oos_page = kzalloc(sizeof(*oos_page), GFP_KERNEL);  in setup_spt_oos()
2584 		if (!oos_page) {  in setup_spt_oos()
2588 		oos_page->mem = (void *)__get_free_pages(GFP_KERNEL, 0);  in setup_spt_oos()
2589 		if (!oos_page->mem) {  in setup_spt_oos()
2591 			kfree(oos_page);  in setup_spt_oos()
2595 		INIT_LIST_HEAD(&oos_page->list);  in setup_spt_oos()
2596 		INIT_LIST_HEAD(&oos_page->vm_list);  in setup_spt_oos()
2597 		oos_page->id = i;  in setup_spt_oos()
2598 		list_add_tail(&oos_page->list, &gtt->oos_page_free_list_head);  in setup_spt_oos()