123 	struct mport_dev *md;  member
187  * @md    master port character device object
199 	struct mport_dev	*md;  member
261 	struct rio_mport *mport = priv->md->mport;  in rio_mport_maint_rd()
306 	struct rio_mport *mport = priv->md->mport;  in rio_mport_maint_wr()
359 rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp,  in rio_mport_create_outbound_mapping()  argument
363 	struct rio_mport *mport = md->mport;  in rio_mport_create_outbound_mapping()
383 	map->md = md;  in rio_mport_create_outbound_mapping()
385 	list_add_tail(&map->node, &md->mappings);  in rio_mport_create_outbound_mapping()
393 rio_mport_get_outbound_mapping(struct mport_dev *md, struct file *filp,  in rio_mport_get_outbound_mapping()  argument
400 	mutex_lock(&md->buf_mutex);  in rio_mport_get_outbound_mapping()
401 	list_for_each_entry(map, &md->mappings, node) {  in rio_mport_get_outbound_mapping()
419 		err = rio_mport_create_outbound_mapping(md, filp, rioid, raddr,  in rio_mport_get_outbound_mapping()
421 	mutex_unlock(&md->buf_mutex);  in rio_mport_get_outbound_mapping()
428 	struct mport_dev *data = priv->md;  in rio_mport_obw_map()
462 	struct mport_dev *md = priv->md;  in rio_mport_obw_free()  local
466 	if (!md->mport->ops->unmap_outb)  in rio_mport_obw_free()
474 	mutex_lock(&md->buf_mutex);  in rio_mport_obw_free()
475 	list_for_each_entry_safe(map, _map, &md->mappings, node) {  in rio_mport_obw_free()
485 	mutex_unlock(&md->buf_mutex);  in rio_mport_obw_free()
497 	struct mport_dev *md = priv->md;  in maint_hdid_set()  local
503 	md->mport->host_deviceid = hdid;  in maint_hdid_set()
504 	md->properties.hdid = hdid;  in maint_hdid_set()
505 	rio_local_set_device_id(md->mport, hdid);  in maint_hdid_set()
519 	struct mport_dev *md = priv->md;  in maint_comptag_set()  local
525 	rio_local_write_config_32(md->mport, RIO_COMPONENT_TAG_CSR, comptag);  in maint_comptag_set()
553 	struct mport_dev *md =  in mport_release_def_dma()  local
556 	rmcd_debug(EXIT, "DMA_%d", md->dma_chan->chan_id);  in mport_release_def_dma()
557 	rio_release_dma(md->dma_chan);  in mport_release_def_dma()
558 	md->dma_chan = NULL;  in mport_release_def_dma()
585 		mutex_lock(&req->map->md->buf_mutex);  in dma_req_free()
587 		mutex_unlock(&req->map->md->buf_mutex);  in dma_req_free()
655 		priv->dmach = rio_request_mport_dma(priv->md->mport);  in get_dma_channel()
658 			if (priv->md->dma_chan) {  in get_dma_channel()
659 				priv->dmach = priv->md->dma_chan;  in get_dma_channel()
660 				kref_get(&priv->md->dma_ref);  in get_dma_channel()
666 		} else if (!priv->md->dma_chan) {  in get_dma_channel()
668 			priv->md->dma_chan = priv->dmach;  in get_dma_channel()
669 			kref_init(&priv->md->dma_ref);  in get_dma_channel()
814 	struct mport_dev *md = priv->md;  in rio_dma_transfer()  local
902 		mutex_lock(&md->buf_mutex);  in rio_dma_transfer()
903 		list_for_each_entry(map, &md->mappings, node) {  in rio_dma_transfer()
911 		mutex_unlock(&md->buf_mutex);  in rio_dma_transfer()
977 	     priv->md->properties.transfer_mode) == 0)  in rio_mport_transfer_ioctl()
1086 static int rio_mport_create_dma_mapping(struct mport_dev *md, struct file *filp,  in rio_mport_create_dma_mapping()  argument
1095 	map->virt_addr = dma_alloc_coherent(md->mport->dev.parent, size,  in rio_mport_create_dma_mapping()
1105 	map->md = md;  in rio_mport_create_dma_mapping()
1107 	mutex_lock(&md->buf_mutex);  in rio_mport_create_dma_mapping()
1108 	list_add_tail(&map->node, &md->mappings);  in rio_mport_create_dma_mapping()
1109 	mutex_unlock(&md->buf_mutex);  in rio_mport_create_dma_mapping()
1118 	struct mport_dev *md = priv->md;  in rio_mport_alloc_dma()  local
1126 	ret = rio_mport_create_dma_mapping(md, filp, map.length, &mapping);  in rio_mport_alloc_dma()
1133 		mutex_lock(&md->buf_mutex);  in rio_mport_alloc_dma()
1135 		mutex_unlock(&md->buf_mutex);  in rio_mport_alloc_dma()
1145 	struct mport_dev *md = priv->md;  in rio_mport_free_dma()  local
1154 	mutex_lock(&md->buf_mutex);  in rio_mport_free_dma()
1155 	list_for_each_entry_safe(map, _map, &md->mappings, node) {  in rio_mport_free_dma()
1163 	mutex_unlock(&md->buf_mutex);  in rio_mport_free_dma()
1199 rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp,  in rio_mport_create_inbound_mapping()  argument
1203 	struct rio_mport *mport = md->mport;  in rio_mport_create_inbound_mapping()
1232 	map->md = md;  in rio_mport_create_inbound_mapping()
1234 	mutex_lock(&md->buf_mutex);  in rio_mport_create_inbound_mapping()
1235 	list_add_tail(&map->node, &md->mappings);  in rio_mport_create_inbound_mapping()
1236 	mutex_unlock(&md->buf_mutex);  in rio_mport_create_inbound_mapping()
1249 rio_mport_get_inbound_mapping(struct mport_dev *md, struct file *filp,  in rio_mport_get_inbound_mapping()  argument
1259 	mutex_lock(&md->buf_mutex);  in rio_mport_get_inbound_mapping()
1260 	list_for_each_entry(map, &md->mappings, node) {  in rio_mport_get_inbound_mapping()
1274 	mutex_unlock(&md->buf_mutex);  in rio_mport_get_inbound_mapping()
1280 	return rio_mport_create_inbound_mapping(md, filp, raddr, size, mapping);  in rio_mport_get_inbound_mapping()
1286 	struct mport_dev *md = priv->md;  in rio_mport_map_inbound()  local
1291 	if (!md->mport->ops->map_inb)  in rio_mport_map_inbound()
1296 	rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp);  in rio_mport_map_inbound()
1298 	ret = rio_mport_get_inbound_mapping(md, filp, map.rio_addr,  in rio_mport_map_inbound()
1309 			mutex_lock(&md->buf_mutex);  in rio_mport_map_inbound()
1311 			mutex_unlock(&md->buf_mutex);  in rio_mport_map_inbound()
1328 	struct mport_dev *md = priv->md;  in rio_mport_inbound_free()  local
1332 	rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp);  in rio_mport_inbound_free()
1334 	if (!md->mport->ops->unmap_inb)  in rio_mport_inbound_free()
1340 	mutex_lock(&md->buf_mutex);  in rio_mport_inbound_free()
1341 	list_for_each_entry_safe(map, _map, &md->mappings, node) {  in rio_mport_inbound_free()
1350 	mutex_unlock(&md->buf_mutex);  in rio_mport_inbound_free()
1362 	struct mport_dev *md = priv->md;  in maint_port_idx_get()  local
1363 	u32 port_idx = md->mport->index;  in maint_port_idx_get()
1390 		dev_warn(&priv->md->dev, DRV_NAME ": event fifo overflow\n");  in rio_mport_add_event()
1433 	struct mport_dev *md = priv->md;  in rio_mport_add_db_filter()  local
1445 	ret = rio_request_inb_dbell(md->mport, md, filter.low, filter.high,  in rio_mport_add_db_filter()
1449 			   dev_name(&md->dev), ret);  in rio_mport_add_db_filter()
1455 		rio_release_inb_dbell(md->mport, filter.low, filter.high);  in rio_mport_add_db_filter()
1461 	spin_lock_irqsave(&md->db_lock, flags);  in rio_mport_add_db_filter()
1463 	list_add_tail(&db_filter->data_node, &md->doorbells);  in rio_mport_add_db_filter()
1464 	spin_unlock_irqrestore(&md->db_lock, flags);  in rio_mport_add_db_filter()
1490 	spin_lock_irqsave(&priv->md->db_lock, flags);  in rio_mport_remove_db_filter()
1500 	spin_unlock_irqrestore(&priv->md->db_lock, flags);  in rio_mport_remove_db_filter()
1503 		rio_release_inb_dbell(priv->md->mport, filter.low, filter.high);  in rio_mport_remove_db_filter()
1520 	struct mport_dev *md = context;  in rio_mport_pw_handler()  local
1530 	spin_lock(&md->pw_lock);  in rio_mport_pw_handler()
1531 	list_for_each_entry(pw_filter, &md->portwrites, md_node) {  in rio_mport_pw_handler()
1538 	spin_unlock(&md->pw_lock);  in rio_mport_pw_handler()
1552 	struct mport_dev *md = priv->md;  in rio_mport_add_pw_filter()  local
1567 	spin_lock_irqsave(&md->pw_lock, flags);  in rio_mport_add_pw_filter()
1568 	if (list_empty(&md->portwrites))  in rio_mport_add_pw_filter()
1571 	list_add_tail(&pw_filter->md_node, &md->portwrites);  in rio_mport_add_pw_filter()
1572 	spin_unlock_irqrestore(&md->pw_lock, flags);  in rio_mport_add_pw_filter()
1577 		ret = rio_add_mport_pw_handler(md->mport, md,  in rio_mport_add_pw_filter()
1580 			dev_err(&md->dev,  in rio_mport_add_pw_filter()
1585 		rio_pw_enable(md->mport, 1);  in rio_mport_add_pw_filter()
1609 	struct mport_dev *md = priv->md;  in rio_mport_remove_pw_filter()  local
1619 	spin_lock_irqsave(&md->pw_lock, flags);  in rio_mport_remove_pw_filter()
1628 	if (list_empty(&md->portwrites))  in rio_mport_remove_pw_filter()
1630 	spin_unlock_irqrestore(&md->pw_lock, flags);  in rio_mport_remove_pw_filter()
1633 		rio_del_mport_pw_handler(md->mport, priv->md,  in rio_mport_remove_pw_filter()
1635 		rio_pw_enable(md->mport, 0);  in rio_mport_remove_pw_filter()
1679 	struct mport_dev *md = priv->md;  in rio_mport_add_riodev()  local
1707 	mport = md->mport;  in rio_mport_add_riodev()
1829 	mport = priv->md->mport;  in rio_mport_del_riodev()
1902 	priv->md = chdev;  in mport_cdev_open()
1946 	struct mport_dev *md;  in mport_cdev_release_dma()  local
1960 	md = priv->md;  in mport_cdev_release_dma()
1989 	if (priv->dmach != priv->md->dma_chan) {  in mport_cdev_release_dma()
1995 		kref_put(&md->dma_ref, mport_release_def_dma);  in mport_cdev_release_dma()
2016 	rmcd_debug(EXIT, "%s filp=%p", dev_name(&priv->md->dev), filp);  in mport_cdev_release()
2018 	chdev = priv->md;  in mport_cdev_release()
2068 	struct mport_dev *md = data->md;  in mport_cdev_ioctl()  local
2070 	if (atomic_read(&md->active) == 0)  in mport_cdev_ioctl()
2089 		md->properties.hdid = md->mport->host_deviceid;  in mport_cdev_ioctl()
2090 		if (copy_to_user((void __user *)arg, &(md->properties),  in mport_cdev_ioctl()
2091 				 sizeof(md->properties)))  in mport_cdev_ioctl()
2147 	struct rio_mport *mport = map->md->mport;  in mport_release_mapping()
2183 	mutex_lock(&map->md->buf_mutex);  in mport_mm_close()
2185 	mutex_unlock(&map->md->buf_mutex);  in mport_mm_close()
2196 	struct mport_dev *md;  in mport_cdev_mmap()  local
2206 	md = priv->md;  in mport_cdev_mmap()
2209 	mutex_lock(&md->buf_mutex);  in mport_cdev_mmap()
2210 	list_for_each_entry(map, &md->mappings, node) {  in mport_cdev_mmap()
2217 	mutex_unlock(&md->buf_mutex);  in mport_cdev_mmap()
2231 		ret = dma_mmap_coherent(md->mport->dev.parent, vma,  in mport_cdev_mmap()
2300 	struct rio_mport *mport = priv->md->mport;  in mport_write()
2349 	struct mport_dev *md;  in mport_device_release()  local
2352 	md = container_of(dev, struct mport_dev, dev);  in mport_device_release()
2353 	kfree(md);  in mport_device_release()
2363 	struct mport_dev *md;  in mport_cdev_add()  local
2366 	md = kzalloc(sizeof(*md), GFP_KERNEL);  in mport_cdev_add()
2367 	if (!md) {  in mport_cdev_add()
2372 	md->mport = mport;  in mport_cdev_add()
2373 	mutex_init(&md->buf_mutex);  in mport_cdev_add()
2374 	mutex_init(&md->file_mutex);  in mport_cdev_add()
2375 	INIT_LIST_HEAD(&md->file_list);  in mport_cdev_add()
2377 	device_initialize(&md->dev);  in mport_cdev_add()
2378 	md->dev.devt = MKDEV(MAJOR(dev_number), mport->id);  in mport_cdev_add()
2379 	md->dev.class = dev_class;  in mport_cdev_add()
2380 	md->dev.parent = &mport->dev;  in mport_cdev_add()
2381 	md->dev.release = mport_device_release;  in mport_cdev_add()
2382 	dev_set_name(&md->dev, DEV_NAME "%d", mport->id);  in mport_cdev_add()
2383 	atomic_set(&md->active, 1);  in mport_cdev_add()
2385 	cdev_init(&md->cdev, &mport_fops);  in mport_cdev_add()
2386 	md->cdev.owner = THIS_MODULE;  in mport_cdev_add()
2388 	INIT_LIST_HEAD(&md->doorbells);  in mport_cdev_add()
2389 	spin_lock_init(&md->db_lock);  in mport_cdev_add()
2390 	INIT_LIST_HEAD(&md->portwrites);  in mport_cdev_add()
2391 	spin_lock_init(&md->pw_lock);  in mport_cdev_add()
2392 	INIT_LIST_HEAD(&md->mappings);  in mport_cdev_add()
2394 	md->properties.id = mport->id;  in mport_cdev_add()
2395 	md->properties.sys_size = mport->sys_size;  in mport_cdev_add()
2396 	md->properties.hdid = mport->host_deviceid;  in mport_cdev_add()
2397 	md->properties.index = mport->index;  in mport_cdev_add()
2403 	md->properties.transfer_mode |= RIO_TRANSFER_MODE_MAPPED;  in mport_cdev_add()
2405 	md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER;  in mport_cdev_add()
2408 	ret = cdev_device_add(&md->cdev, &md->dev);  in mport_cdev_add()
2416 		md->properties.flags = attr.flags;  in mport_cdev_add()
2417 		md->properties.link_speed = attr.link_speed;  in mport_cdev_add()
2418 		md->properties.link_width = attr.link_width;  in mport_cdev_add()
2419 		md->properties.dma_max_sge = attr.dma_max_sge;  in mport_cdev_add()
2420 		md->properties.dma_max_size = attr.dma_max_size;  in mport_cdev_add()
2421 		md->properties.dma_align = attr.dma_align;  in mport_cdev_add()
2422 		md->properties.cap_sys_size = 0;  in mport_cdev_add()
2423 		md->properties.cap_transfer_mode = 0;  in mport_cdev_add()
2424 		md->properties.cap_addr_size = 0;  in mport_cdev_add()
2430 	list_add_tail(&md->node, &mport_devs);  in mport_cdev_add()
2436 	return md;  in mport_cdev_add()
2439 	put_device(&md->dev);  in mport_cdev_add()
2447 static void mport_cdev_terminate_dma(struct mport_dev *md)  in mport_cdev_terminate_dma()  argument
2452 	rmcd_debug(DMA, "%s", dev_name(&md->dev));  in mport_cdev_terminate_dma()
2454 	mutex_lock(&md->file_mutex);  in mport_cdev_terminate_dma()
2455 	list_for_each_entry(client, &md->file_list, list) {  in mport_cdev_terminate_dma()
2461 	mutex_unlock(&md->file_mutex);  in mport_cdev_terminate_dma()
2463 	if (md->dma_chan) {  in mport_cdev_terminate_dma()
2464 		dmaengine_terminate_all(md->dma_chan);  in mport_cdev_terminate_dma()
2465 		rio_release_dma(md->dma_chan);  in mport_cdev_terminate_dma()
2466 		md->dma_chan = NULL;  in mport_cdev_terminate_dma()
2476 static int mport_cdev_kill_fasync(struct mport_dev *md)  in mport_cdev_kill_fasync()  argument
2481 	mutex_lock(&md->file_mutex);  in mport_cdev_kill_fasync()
2482 	list_for_each_entry(client, &md->file_list, list) {  in mport_cdev_kill_fasync()
2487 	mutex_unlock(&md->file_mutex);  in mport_cdev_kill_fasync()
2495 static void mport_cdev_remove(struct mport_dev *md)  in mport_cdev_remove()  argument
2499 	rmcd_debug(EXIT, "Remove %s cdev", md->mport->name);  in mport_cdev_remove()
2500 	atomic_set(&md->active, 0);  in mport_cdev_remove()
2501 	mport_cdev_terminate_dma(md);  in mport_cdev_remove()
2502 	rio_del_mport_pw_handler(md->mport, md, rio_mport_pw_handler);  in mport_cdev_remove()
2503 	cdev_device_del(&md->cdev, &md->dev);  in mport_cdev_remove()
2504 	mport_cdev_kill_fasync(md);  in mport_cdev_remove()
2514 	mutex_lock(&md->buf_mutex);  in mport_cdev_remove()
2515 	list_for_each_entry_safe(map, _map, &md->mappings, node) {  in mport_cdev_remove()
2518 	mutex_unlock(&md->buf_mutex);  in mport_cdev_remove()
2520 	if (!list_empty(&md->mappings))  in mport_cdev_remove()
2522 			  md->mport->name);  in mport_cdev_remove()
2524 	rio_release_inb_dbell(md->mport, 0, 0x0fff);  in mport_cdev_remove()
2526 	put_device(&md->dev);  in mport_cdev_remove()