i915/gvt/dmabuf.c

152 	struct intel_vgpu_dmabuf_obj *dmabuf_obj;
156 			dmabuf_obj = container_of(pos,
158 			if (dmabuf_obj == obj) {
161 					   dmabuf_obj->dmabuf_id);
162 				kfree(dmabuf_obj->info);
163 				kfree(dmabuf_obj);
360 	struct intel_vgpu_dmabuf_obj *dmabuf_obj = NULL;
364 		dmabuf_obj = container_of(pos, struct intel_vgpu_dmabuf_obj,
366 		if ((dmabuf_obj == NULL) ||
367 		    (dmabuf_obj->info == NULL))
370 		fb_info = (struct intel_vgpu_fb_info *)dmabuf_obj->info;
378 			ret = dmabuf_obj;
390 	struct intel_vgpu_dmabuf_obj *dmabuf_obj = NULL;
394 		dmabuf_obj = container_of(pos, struct intel_vgpu_dmabuf_obj,
396 		if (!dmabuf_obj)
399 		if (dmabuf_obj->dmabuf_id == id) {
400 			ret = dmabuf_obj;
427 	struct intel_vgpu_dmabuf_obj *dmabuf_obj;
444 	/* If exists, pick up the exposed dmabuf_obj */
445 	dmabuf_obj = pick_dmabuf_by_info(vgpu, &fb_info);
446 	if (dmabuf_obj) {
448 		gfx_plane_info->dmabuf_id = dmabuf_obj->dmabuf_id;
454 		if (!dmabuf_obj->initref) {
455 			dmabuf_obj->initref = true;
456 			dmabuf_obj_get(dmabuf_obj);
459 		gvt_dbg_dpy("vgpu%d: re-use dmabuf_obj ref %d, id %d\n",
460 			    vgpu->id, kref_read(&dmabuf_obj->kref),
469 	dmabuf_obj = kmalloc(sizeof(struct intel_vgpu_dmabuf_obj), GFP_KERNEL);
470 	if (unlikely(!dmabuf_obj)) {
471 		gvt_vgpu_err("alloc dmabuf_obj failed\n");
476 	dmabuf_obj->info = kmalloc(sizeof(struct intel_vgpu_fb_info),
478 	if (unlikely(!dmabuf_obj->info)) {
483 	memcpy(dmabuf_obj->info, &fb_info, sizeof(struct intel_vgpu_fb_info));
485 	((struct intel_vgpu_fb_info *)dmabuf_obj->info)->obj = dmabuf_obj;
487 	dmabuf_obj->vgpu = vgpu;
490 	ret = idr_alloc(&vgpu->object_idr, dmabuf_obj, 1, 0, GFP_NOWAIT);
495 	dmabuf_obj->dmabuf_id = ret;
497 	dmabuf_obj->initref = true;
499 	kref_init(&dmabuf_obj->kref);
511 	INIT_LIST_HEAD(&dmabuf_obj->list);
513 	list_add_tail(&dmabuf_obj->list, &vgpu->dmabuf_obj_list_head);
516 	gvt_dbg_dpy("vgpu%d: %s new dmabuf_obj ref %d, id %d\n", vgpu->id,
517 		    __func__, kref_read(&dmabuf_obj->kref), ret);
522 	kfree(dmabuf_obj->info);
524 	kfree(dmabuf_obj);
530 /* To associate an exposed dmabuf with the dmabuf_obj */
534 	struct intel_vgpu_dmabuf_obj *dmabuf_obj;
542 	dmabuf_obj = pick_dmabuf_by_num(vgpu, dmabuf_id);
543 	if (dmabuf_obj == NULL) {
549 	obj = vgpu_create_gem(dev, dmabuf_obj->info);
556 	obj->gvt_info = dmabuf_obj->info;
572 	dmabuf_obj_get(dmabuf_obj);
574 	if (dmabuf_obj->initref) {
575 		dmabuf_obj->initref = false;
576 		dmabuf_obj_put(dmabuf_obj);
583 		    vgpu->id, dmabuf_obj->dmabuf_id,
584 		    kref_read(&dmabuf_obj->kref),
605 	struct intel_vgpu_dmabuf_obj *dmabuf_obj;
609 		dmabuf_obj = container_of(pos, struct intel_vgpu_dmabuf_obj,
611 		dmabuf_obj->vgpu = NULL;
613 		idr_remove(&vgpu->object_idr, dmabuf_obj->dmabuf_id);
617 		/* dmabuf_obj might be freed in dmabuf_obj_put */
618 		if (dmabuf_obj->initref) {
619 			dmabuf_obj->initref = false;
620 			dmabuf_obj_put(dmabuf_obj);