31 static int qxl_reap_surface_id(struct qxl_device *qdev, int max_to_reap);
178 qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,  in qxl_push_command_ring_release()  argument
184 	cmd.data = qxl_bo_physical_address(qdev, release->release_bo, release->release_offset);  in qxl_push_command_ring_release()
186 	return qxl_ring_push(qdev->command_ring, &cmd, interruptible);  in qxl_push_command_ring_release()
190 qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,  in qxl_push_cursor_ring_release()  argument
196 	cmd.data = qxl_bo_physical_address(qdev, release->release_bo, release->release_offset);  in qxl_push_cursor_ring_release()
198 	return qxl_ring_push(qdev->cursor_ring, &cmd, interruptible);  in qxl_push_cursor_ring_release()
201 bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush)  in qxl_queue_garbage_collect()  argument
203 	if (!qxl_check_idle(qdev->release_ring)) {  in qxl_queue_garbage_collect()
204 		schedule_work(&qdev->gc_work);  in qxl_queue_garbage_collect()
206 			flush_work(&qdev->gc_work);  in qxl_queue_garbage_collect()
212 int qxl_garbage_collect(struct qxl_device *qdev)  in qxl_garbage_collect()  argument
219 	while (qxl_ring_pop(qdev->release_ring, &id)) {  in qxl_garbage_collect()
222 			release = qxl_release_from_id_locked(qdev, id);  in qxl_garbage_collect()
226 			info = qxl_release_map(qdev, release);  in qxl_garbage_collect()
228 			qxl_release_unmap(qdev, release, info);  in qxl_garbage_collect()
244 			qxl_release_free(qdev, release);  in qxl_garbage_collect()
254 int qxl_alloc_bo_reserved(struct qxl_device *qdev,  in qxl_alloc_bo_reserved()  argument
262 	ret = qxl_bo_create(qdev, size, false /* not kernel - device */,  in qxl_alloc_bo_reserved()
279 static int wait_for_io_cmd_user(struct qxl_device *qdev, uint8_t val, long port, bool intr)  in wait_for_io_cmd_user()  argument
282 	long addr = qdev->io_base + port;  in wait_for_io_cmd_user()
285 	mutex_lock(&qdev->async_io_mutex);  in wait_for_io_cmd_user()
286 	irq_num = atomic_read(&qdev->irq_received_io_cmd);  in wait_for_io_cmd_user()
287 	if (qdev->last_sent_io_cmd > irq_num) {  in wait_for_io_cmd_user()
289 			ret = wait_event_interruptible_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
290 							       atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
292 			ret = wait_event_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
293 						 atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
297 		irq_num = atomic_read(&qdev->irq_received_io_cmd);  in wait_for_io_cmd_user()
300 	qdev->last_sent_io_cmd = irq_num + 1;  in wait_for_io_cmd_user()
302 		ret = wait_event_interruptible_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
303 						       atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
305 		ret = wait_event_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
306 					 atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
310 	mutex_unlock(&qdev->async_io_mutex);  in wait_for_io_cmd_user()
314 static void wait_for_io_cmd(struct qxl_device *qdev, uint8_t val, long port)  in wait_for_io_cmd()  argument
319 	ret = wait_for_io_cmd_user(qdev, val, port, false);  in wait_for_io_cmd()
324 int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,  in qxl_io_update_area()  argument
345 	mutex_lock(&qdev->update_area_mutex);  in qxl_io_update_area()
346 	qdev->ram_header->update_area = *area;  in qxl_io_update_area()
347 	qdev->ram_header->update_surface = surface_id;  in qxl_io_update_area()
348 	ret = wait_for_io_cmd_user(qdev, 0, QXL_IO_UPDATE_AREA_ASYNC, true);  in qxl_io_update_area()
349 	mutex_unlock(&qdev->update_area_mutex);  in qxl_io_update_area()
353 void qxl_io_notify_oom(struct qxl_device *qdev)  in qxl_io_notify_oom()  argument
355 	outb(0, qdev->io_base + QXL_IO_NOTIFY_OOM);  in qxl_io_notify_oom()
358 void qxl_io_flush_release(struct qxl_device *qdev)  in qxl_io_flush_release()  argument
360 	outb(0, qdev->io_base + QXL_IO_FLUSH_RELEASE);  in qxl_io_flush_release()
363 void qxl_io_flush_surfaces(struct qxl_device *qdev)  in qxl_io_flush_surfaces()  argument
365 	wait_for_io_cmd(qdev, 0, QXL_IO_FLUSH_SURFACES_ASYNC);  in qxl_io_flush_surfaces()
369 void qxl_io_destroy_primary(struct qxl_device *qdev)  in qxl_io_destroy_primary()  argument
371 	wait_for_io_cmd(qdev, 0, QXL_IO_DESTROY_PRIMARY_ASYNC);  in qxl_io_destroy_primary()
372 	qdev->primary_created = false;  in qxl_io_destroy_primary()
375 void qxl_io_create_primary(struct qxl_device *qdev,  in qxl_io_create_primary()  argument
380 	DRM_DEBUG_DRIVER("qdev %p, ram_header %p\n", qdev, qdev->ram_header);  in qxl_io_create_primary()
381 	create = &qdev->ram_header->create_surface;  in qxl_io_create_primary()
387 		create->mem = qxl_bo_physical_address(qdev, bo->shadow, offset);  in qxl_io_create_primary()
389 		create->mem = qxl_bo_physical_address(qdev, bo, offset);  in qxl_io_create_primary()
397 	wait_for_io_cmd(qdev, 0, QXL_IO_CREATE_PRIMARY_ASYNC);  in qxl_io_create_primary()
398 	qdev->primary_created = true;  in qxl_io_create_primary()
401 void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id)  in qxl_io_memslot_add()  argument
404 	wait_for_io_cmd(qdev, id, QXL_IO_MEMSLOT_ADD_ASYNC);  in qxl_io_memslot_add()
407 void qxl_io_reset(struct qxl_device *qdev)  in qxl_io_reset()  argument
409 	outb(0, qdev->io_base + QXL_IO_RESET);  in qxl_io_reset()
412 void qxl_io_monitors_config(struct qxl_device *qdev)  in qxl_io_monitors_config()  argument
414 	wait_for_io_cmd(qdev, 0, QXL_IO_MONITORS_CONFIG_ASYNC);  in qxl_io_monitors_config()
417 int qxl_surface_id_alloc(struct qxl_device *qdev,  in qxl_surface_id_alloc()  argument
425 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
426 	idr_ret = idr_alloc(&qdev->surf_id_idr, NULL, 1, 0, GFP_NOWAIT);  in qxl_surface_id_alloc()
427 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
433 	if (handle >= qdev->rom->n_surfaces) {  in qxl_surface_id_alloc()
435 		spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
436 		idr_remove(&qdev->surf_id_idr, handle);  in qxl_surface_id_alloc()
437 		spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
438 		qxl_reap_surface_id(qdev, 2);  in qxl_surface_id_alloc()
443 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
444 	qdev->last_alloced_surf_id = handle;  in qxl_surface_id_alloc()
445 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
449 void qxl_surface_id_dealloc(struct qxl_device *qdev,  in qxl_surface_id_dealloc()  argument
452 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_dealloc()
453 	idr_remove(&qdev->surf_id_idr, surface_id);  in qxl_surface_id_dealloc()
454 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_dealloc()
457 int qxl_hw_surface_alloc(struct qxl_device *qdev,  in qxl_hw_surface_alloc()  argument
468 	ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_CREATE,  in qxl_hw_surface_alloc()
478 	cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);  in qxl_hw_surface_alloc()
486 		int slot_id = surf->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;  in qxl_hw_surface_alloc()
487 		struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);  in qxl_hw_surface_alloc()
494 		cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0);  in qxl_hw_surface_alloc()
496 	qxl_release_unmap(qdev, release, &cmd->release_info);  in qxl_hw_surface_alloc()
503 	qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);  in qxl_hw_surface_alloc()
507 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_alloc()
508 	idr_replace(&qdev->surf_id_idr, surf, surf->surface_id);  in qxl_hw_surface_alloc()
509 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_alloc()
513 int qxl_hw_surface_dealloc(struct qxl_device *qdev,  in qxl_hw_surface_dealloc()  argument
524 	ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_DESTROY,  in qxl_hw_surface_dealloc()
532 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_dealloc()
533 	idr_replace(&qdev->surf_id_idr, NULL, surf->surface_id);  in qxl_hw_surface_dealloc()
534 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_dealloc()
541 	cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);  in qxl_hw_surface_dealloc()
544 	qxl_release_unmap(qdev, release, &cmd->release_info);  in qxl_hw_surface_dealloc()
546 	qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);  in qxl_hw_surface_dealloc()
553 static int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf)  in qxl_update_surface()  argument
565 	ret = qxl_io_update_area(qdev, surf, &rect);  in qxl_update_surface()
571 static void qxl_surface_evict_locked(struct qxl_device *qdev, struct qxl_bo *surf, bool do_update_a…  in qxl_surface_evict_locked()  argument
575 		qxl_update_surface(qdev, surf);  in qxl_surface_evict_locked()
578 	qxl_hw_surface_dealloc(qdev, surf);  in qxl_surface_evict_locked()
581 void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool do_update_area)  in qxl_surface_evict()  argument
583 	mutex_lock(&qdev->surf_evict_mutex);  in qxl_surface_evict()
584 	qxl_surface_evict_locked(qdev, surf, do_update_area);  in qxl_surface_evict()
585 	mutex_unlock(&qdev->surf_evict_mutex);  in qxl_surface_evict()
588 static int qxl_reap_surf(struct qxl_device *qdev, struct qxl_bo *surf, bool stall)  in qxl_reap_surf()  argument
597 		mutex_unlock(&qdev->surf_evict_mutex);  in qxl_reap_surf()
602 		mutex_lock(&qdev->surf_evict_mutex);  in qxl_reap_surf()
608 	qxl_surface_evict_locked(qdev, surf, true);  in qxl_reap_surf()
613 static int qxl_reap_surface_id(struct qxl_device *qdev, int max_to_reap)  in qxl_reap_surface_id()  argument
620 	mutex_lock(&qdev->surf_evict_mutex);  in qxl_reap_surface_id()
623 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
624 	start = qdev->last_alloced_surf_id + 1;  in qxl_reap_surface_id()
625 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
627 	for (i = start; i < start + qdev->rom->n_surfaces; i++) {  in qxl_reap_surface_id()
629 		int surfid = i % qdev->rom->n_surfaces;  in qxl_reap_surface_id()
634 		spin_lock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
635 		objptr = idr_find(&qdev->surf_id_idr, surfid);  in qxl_reap_surface_id()
636 		spin_unlock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
641 		ret = qxl_reap_surf(qdev, objptr, stall);  in qxl_reap_surface_id()
652 	mutex_unlock(&qdev->surf_evict_mutex);  in qxl_reap_surface_id()
655 		qxl_queue_garbage_collect(qdev, true);  in qxl_reap_surface_id()