35 static int qxl_reap_surface_id(struct qxl_device *qdev, int max_to_reap);
186 qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,  in qxl_push_command_ring_release()  argument
192 	cmd.data = qxl_bo_physical_address(qdev, release->release_bo, release->release_offset);  in qxl_push_command_ring_release()
194 	return qxl_ring_push(qdev->command_ring, &cmd, interruptible);  in qxl_push_command_ring_release()
198 qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,  in qxl_push_cursor_ring_release()  argument
204 	cmd.data = qxl_bo_physical_address(qdev, release->release_bo, release->release_offset);  in qxl_push_cursor_ring_release()
206 	return qxl_ring_push(qdev->cursor_ring, &cmd, interruptible);  in qxl_push_cursor_ring_release()
209 bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush)  in qxl_queue_garbage_collect()  argument
211 	if (!qxl_check_idle(qdev->release_ring)) {  in qxl_queue_garbage_collect()
212 		schedule_work(&qdev->gc_work);  in qxl_queue_garbage_collect()
214 			flush_work(&qdev->gc_work);  in qxl_queue_garbage_collect()
220 int qxl_garbage_collect(struct qxl_device *qdev)  in qxl_garbage_collect()  argument
227 	while (qxl_ring_pop(qdev->release_ring, &id)) {  in qxl_garbage_collect()
230 			release = qxl_release_from_id_locked(qdev, id);  in qxl_garbage_collect()
234 			info = qxl_release_map(qdev, release);  in qxl_garbage_collect()
236 			qxl_release_unmap(qdev, release, info);  in qxl_garbage_collect()
252 			qxl_release_free(qdev, release);  in qxl_garbage_collect()
262 int qxl_alloc_bo_reserved(struct qxl_device *qdev,  in qxl_alloc_bo_reserved()  argument
270 	ret = qxl_bo_create(qdev, size, false /* not kernel - device */,  in qxl_alloc_bo_reserved()
287 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
290 	long addr = qdev->io_base + port;  in wait_for_io_cmd_user()
293 	mutex_lock(&qdev->async_io_mutex);  in wait_for_io_cmd_user()
294 	irq_num = atomic_read(&qdev->irq_received_io_cmd);  in wait_for_io_cmd_user()
295 	if (qdev->last_sent_io_cmd > irq_num) {  in wait_for_io_cmd_user()
297 			ret = wait_event_interruptible_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
298 							       atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
300 			ret = wait_event_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
301 						 atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
305 		irq_num = atomic_read(&qdev->irq_received_io_cmd);  in wait_for_io_cmd_user()
308 	qdev->last_sent_io_cmd = irq_num + 1;  in wait_for_io_cmd_user()
310 		ret = wait_event_interruptible_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
311 						       atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
313 		ret = wait_event_timeout(qdev->io_cmd_event,  in wait_for_io_cmd_user()
314 					 atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);  in wait_for_io_cmd_user()
318 	mutex_unlock(&qdev->async_io_mutex);  in wait_for_io_cmd_user()
322 static void wait_for_io_cmd(struct qxl_device *qdev, uint8_t val, long port)  in wait_for_io_cmd()  argument
327 	ret = wait_for_io_cmd_user(qdev, val, port, false);  in wait_for_io_cmd()
332 int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,  in qxl_io_update_area()  argument
353 	mutex_lock(&qdev->update_area_mutex);  in qxl_io_update_area()
354 	qdev->ram_header->update_area = *area;  in qxl_io_update_area()
355 	qdev->ram_header->update_surface = surface_id;  in qxl_io_update_area()
356 	ret = wait_for_io_cmd_user(qdev, 0, QXL_IO_UPDATE_AREA_ASYNC, true);  in qxl_io_update_area()
357 	mutex_unlock(&qdev->update_area_mutex);  in qxl_io_update_area()
361 void qxl_io_notify_oom(struct qxl_device *qdev)  in qxl_io_notify_oom()  argument
363 	outb(0, qdev->io_base + QXL_IO_NOTIFY_OOM);  in qxl_io_notify_oom()
366 void qxl_io_flush_release(struct qxl_device *qdev)  in qxl_io_flush_release()  argument
368 	outb(0, qdev->io_base + QXL_IO_FLUSH_RELEASE);  in qxl_io_flush_release()
371 void qxl_io_flush_surfaces(struct qxl_device *qdev)  in qxl_io_flush_surfaces()  argument
373 	wait_for_io_cmd(qdev, 0, QXL_IO_FLUSH_SURFACES_ASYNC);  in qxl_io_flush_surfaces()
376 void qxl_io_destroy_primary(struct qxl_device *qdev)  in qxl_io_destroy_primary()  argument
378 	wait_for_io_cmd(qdev, 0, QXL_IO_DESTROY_PRIMARY_ASYNC);  in qxl_io_destroy_primary()
379 	qdev->primary_bo->is_primary = false;  in qxl_io_destroy_primary()
380 	drm_gem_object_put_unlocked(&qdev->primary_bo->tbo.base);  in qxl_io_destroy_primary()
381 	qdev->primary_bo = NULL;  in qxl_io_destroy_primary()
384 void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo)  in qxl_io_create_primary()  argument
388 	if (WARN_ON(qdev->primary_bo))  in qxl_io_create_primary()
391 	DRM_DEBUG_DRIVER("qdev %p, ram_header %p\n", qdev, qdev->ram_header);  in qxl_io_create_primary()
392 	create = &qdev->ram_header->create_surface;  in qxl_io_create_primary()
397 	create->mem = qxl_bo_physical_address(qdev, bo, 0);  in qxl_io_create_primary()
404 	wait_for_io_cmd(qdev, 0, QXL_IO_CREATE_PRIMARY_ASYNC);  in qxl_io_create_primary()
405 	qdev->primary_bo = bo;  in qxl_io_create_primary()
406 	qdev->primary_bo->is_primary = true;  in qxl_io_create_primary()
407 	drm_gem_object_get(&qdev->primary_bo->tbo.base);  in qxl_io_create_primary()
410 void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id)  in qxl_io_memslot_add()  argument
413 	wait_for_io_cmd(qdev, id, QXL_IO_MEMSLOT_ADD_ASYNC);  in qxl_io_memslot_add()
416 void qxl_io_reset(struct qxl_device *qdev)  in qxl_io_reset()  argument
418 	outb(0, qdev->io_base + QXL_IO_RESET);  in qxl_io_reset()
421 void qxl_io_monitors_config(struct qxl_device *qdev)  in qxl_io_monitors_config()  argument
423 	wait_for_io_cmd(qdev, 0, QXL_IO_MONITORS_CONFIG_ASYNC);  in qxl_io_monitors_config()
426 int qxl_surface_id_alloc(struct qxl_device *qdev,  in qxl_surface_id_alloc()  argument
434 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
435 	idr_ret = idr_alloc(&qdev->surf_id_idr, NULL, 1, 0, GFP_NOWAIT);  in qxl_surface_id_alloc()
436 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
442 	if (handle >= qdev->rom->n_surfaces) {  in qxl_surface_id_alloc()
444 		spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
445 		idr_remove(&qdev->surf_id_idr, handle);  in qxl_surface_id_alloc()
446 		spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
447 		qxl_reap_surface_id(qdev, 2);  in qxl_surface_id_alloc()
452 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
453 	qdev->last_alloced_surf_id = handle;  in qxl_surface_id_alloc()
454 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_alloc()
458 void qxl_surface_id_dealloc(struct qxl_device *qdev,  in qxl_surface_id_dealloc()  argument
461 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_surface_id_dealloc()
462 	idr_remove(&qdev->surf_id_idr, surface_id);  in qxl_surface_id_dealloc()
463 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_surface_id_dealloc()
466 int qxl_hw_surface_alloc(struct qxl_device *qdev,  in qxl_hw_surface_alloc()  argument
476 	ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_CREATE,  in qxl_hw_surface_alloc()
486 	cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);  in qxl_hw_surface_alloc()
493 	cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0);  in qxl_hw_surface_alloc()
495 	qxl_release_unmap(qdev, release, &cmd->release_info);  in qxl_hw_surface_alloc()
502 	qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);  in qxl_hw_surface_alloc()
506 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_alloc()
507 	idr_replace(&qdev->surf_id_idr, surf, surf->surface_id);  in qxl_hw_surface_alloc()
508 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_alloc()
512 int qxl_hw_surface_dealloc(struct qxl_device *qdev,  in qxl_hw_surface_dealloc()  argument
523 	ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_DESTROY,  in qxl_hw_surface_dealloc()
531 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_dealloc()
532 	idr_replace(&qdev->surf_id_idr, NULL, surf->surface_id);  in qxl_hw_surface_dealloc()
533 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_hw_surface_dealloc()
540 	cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);  in qxl_hw_surface_dealloc()
543 	qxl_release_unmap(qdev, release, &cmd->release_info);  in qxl_hw_surface_dealloc()
545 	qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);  in qxl_hw_surface_dealloc()
552 static int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf)  in qxl_update_surface()  argument
564 	ret = qxl_io_update_area(qdev, surf, &rect);  in qxl_update_surface()
570 static void qxl_surface_evict_locked(struct qxl_device *qdev, struct qxl_bo *surf, bool do_update_a…  in qxl_surface_evict_locked()  argument
574 		qxl_update_surface(qdev, surf);  in qxl_surface_evict_locked()
577 	qxl_hw_surface_dealloc(qdev, surf);  in qxl_surface_evict_locked()
580 void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool do_update_area)  in qxl_surface_evict()  argument
582 	mutex_lock(&qdev->surf_evict_mutex);  in qxl_surface_evict()
583 	qxl_surface_evict_locked(qdev, surf, do_update_area);  in qxl_surface_evict()
584 	mutex_unlock(&qdev->surf_evict_mutex);  in qxl_surface_evict()
587 static int qxl_reap_surf(struct qxl_device *qdev, struct qxl_bo *surf, bool stall)  in qxl_reap_surf()  argument
596 		mutex_unlock(&qdev->surf_evict_mutex);  in qxl_reap_surf()
601 		mutex_lock(&qdev->surf_evict_mutex);  in qxl_reap_surf()
607 	qxl_surface_evict_locked(qdev, surf, true);  in qxl_reap_surf()
612 static int qxl_reap_surface_id(struct qxl_device *qdev, int max_to_reap)  in qxl_reap_surface_id()  argument
619 	mutex_lock(&qdev->surf_evict_mutex);  in qxl_reap_surface_id()
622 	spin_lock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
623 	start = qdev->last_alloced_surf_id + 1;  in qxl_reap_surface_id()
624 	spin_unlock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
626 	for (i = start; i < start + qdev->rom->n_surfaces; i++) {  in qxl_reap_surface_id()
628 		int surfid = i % qdev->rom->n_surfaces;  in qxl_reap_surface_id()
633 		spin_lock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
634 		objptr = idr_find(&qdev->surf_id_idr, surfid);  in qxl_reap_surface_id()
635 		spin_unlock(&qdev->surf_id_idr_lock);  in qxl_reap_surface_id()
640 		ret = qxl_reap_surf(qdev, objptr, stall);  in qxl_reap_surface_id()
651 	mutex_unlock(&qdev->surf_evict_mutex);  in qxl_reap_surface_id()
654 		qxl_queue_garbage_collect(qdev, true);  in qxl_reap_surface_id()