81 	struct hv_uio_private_data *pdata = info->priv;  in hv_uio_irqcontrol()  local
82 	struct hv_device *dev = pdata->device;  in hv_uio_irqcontrol()
97 	struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev);  in hv_uio_channel_cb()  local
102 	uio_event_notify(&pdata->info);  in hv_uio_channel_cb()
111 	struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev);  in hv_uio_rescind()  local
117 	pdata->info.irq = 0;  in hv_uio_rescind()
120 	uio_event_notify(&pdata->info);  in hv_uio_rescind()
180 hv_uio_cleanup(struct hv_device *dev, struct hv_uio_private_data *pdata)  in hv_uio_cleanup()  argument
182 	if (pdata->send_gpadl) {  in hv_uio_cleanup()
183 		vmbus_teardown_gpadl(dev->channel, pdata->send_gpadl);  in hv_uio_cleanup()
184 		pdata->send_gpadl = 0;  in hv_uio_cleanup()
185 		vfree(pdata->send_buf);  in hv_uio_cleanup()
188 	if (pdata->recv_gpadl) {  in hv_uio_cleanup()
189 		vmbus_teardown_gpadl(dev->channel, pdata->recv_gpadl);  in hv_uio_cleanup()
190 		pdata->recv_gpadl = 0;  in hv_uio_cleanup()
191 		vfree(pdata->recv_buf);  in hv_uio_cleanup()
199 	struct hv_uio_private_data *pdata  in hv_uio_open()  local
201 	struct hv_device *dev = pdata->device;  in hv_uio_open()
204 	if (atomic_inc_return(&pdata->refcnt) != 1)  in hv_uio_open()
215 		atomic_dec(&pdata->refcnt);  in hv_uio_open()
224 	struct hv_uio_private_data *pdata  in hv_uio_release()  local
226 	struct hv_device *dev = pdata->device;  in hv_uio_release()
229 	if (atomic_dec_and_test(&pdata->refcnt))  in hv_uio_release()
240 	struct hv_uio_private_data *pdata;  in hv_uio_probe()  local
250 	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);  in hv_uio_probe()
251 	if (!pdata)  in hv_uio_probe()
262 	pdata->info.name = "uio_hv_generic";  in hv_uio_probe()
263 	pdata->info.version = DRIVER_VERSION;  in hv_uio_probe()
264 	pdata->info.irqcontrol = hv_uio_irqcontrol;  in hv_uio_probe()
265 	pdata->info.open = hv_uio_open;  in hv_uio_probe()
266 	pdata->info.release = hv_uio_release;  in hv_uio_probe()
267 	pdata->info.irq = UIO_IRQ_CUSTOM;  in hv_uio_probe()
268 	atomic_set(&pdata->refcnt, 0);  in hv_uio_probe()
271 	pdata->info.mem[TXRX_RING_MAP].name = "txrx_rings";  in hv_uio_probe()
273 	pdata->info.mem[TXRX_RING_MAP].addr  in hv_uio_probe()
275 	pdata->info.mem[TXRX_RING_MAP].size  in hv_uio_probe()
277 	pdata->info.mem[TXRX_RING_MAP].memtype = UIO_MEM_IOVA;  in hv_uio_probe()
279 	pdata->info.mem[INT_PAGE_MAP].name = "int_page";  in hv_uio_probe()
280 	pdata->info.mem[INT_PAGE_MAP].addr  in hv_uio_probe()
282 	pdata->info.mem[INT_PAGE_MAP].size = PAGE_SIZE;  in hv_uio_probe()
283 	pdata->info.mem[INT_PAGE_MAP].memtype = UIO_MEM_LOGICAL;  in hv_uio_probe()
285 	pdata->info.mem[MON_PAGE_MAP].name = "monitor_page";  in hv_uio_probe()
286 	pdata->info.mem[MON_PAGE_MAP].addr  in hv_uio_probe()
288 	pdata->info.mem[MON_PAGE_MAP].size = PAGE_SIZE;  in hv_uio_probe()
289 	pdata->info.mem[MON_PAGE_MAP].memtype = UIO_MEM_LOGICAL;  in hv_uio_probe()
291 	pdata->recv_buf = vzalloc(RECV_BUFFER_SIZE);  in hv_uio_probe()
292 	if (pdata->recv_buf == NULL) {  in hv_uio_probe()
297 	ret = vmbus_establish_gpadl(channel, pdata->recv_buf,  in hv_uio_probe()
298 				    RECV_BUFFER_SIZE, &pdata->recv_gpadl);  in hv_uio_probe()
300 		vfree(pdata->recv_buf);  in hv_uio_probe()
305 	snprintf(pdata->recv_name, sizeof(pdata->recv_name),  in hv_uio_probe()
306 		 "recv:%u", pdata->recv_gpadl);  in hv_uio_probe()
307 	pdata->info.mem[RECV_BUF_MAP].name = pdata->recv_name;  in hv_uio_probe()
308 	pdata->info.mem[RECV_BUF_MAP].addr  in hv_uio_probe()
309 		= (uintptr_t)pdata->recv_buf;  in hv_uio_probe()
310 	pdata->info.mem[RECV_BUF_MAP].size = RECV_BUFFER_SIZE;  in hv_uio_probe()
311 	pdata->info.mem[RECV_BUF_MAP].memtype = UIO_MEM_VIRTUAL;  in hv_uio_probe()
313 	pdata->send_buf = vzalloc(SEND_BUFFER_SIZE);  in hv_uio_probe()
314 	if (pdata->send_buf == NULL) {  in hv_uio_probe()
319 	ret = vmbus_establish_gpadl(channel, pdata->send_buf,  in hv_uio_probe()
320 				    SEND_BUFFER_SIZE, &pdata->send_gpadl);  in hv_uio_probe()
322 		vfree(pdata->send_buf);  in hv_uio_probe()
326 	snprintf(pdata->send_name, sizeof(pdata->send_name),  in hv_uio_probe()
327 		 "send:%u", pdata->send_gpadl);  in hv_uio_probe()
328 	pdata->info.mem[SEND_BUF_MAP].name = pdata->send_name;  in hv_uio_probe()
329 	pdata->info.mem[SEND_BUF_MAP].addr  in hv_uio_probe()
330 		= (uintptr_t)pdata->send_buf;  in hv_uio_probe()
331 	pdata->info.mem[SEND_BUF_MAP].size = SEND_BUFFER_SIZE;  in hv_uio_probe()
332 	pdata->info.mem[SEND_BUF_MAP].memtype = UIO_MEM_VIRTUAL;  in hv_uio_probe()
334 	pdata->info.priv = pdata;  in hv_uio_probe()
335 	pdata->device = dev;  in hv_uio_probe()
337 	ret = uio_register_device(&dev->device, &pdata->info);  in hv_uio_probe()
348 	hv_set_drvdata(dev, pdata);  in hv_uio_probe()
353 	hv_uio_cleanup(dev, pdata);  in hv_uio_probe()
355 	kfree(pdata);  in hv_uio_probe()
363 	struct hv_uio_private_data *pdata = hv_get_drvdata(dev);  in hv_uio_remove()  local
365 	if (!pdata)  in hv_uio_remove()
369 	uio_unregister_device(&pdata->info);  in hv_uio_remove()
370 	hv_uio_cleanup(dev, pdata);  in hv_uio_remove()
374 	kfree(pdata);  in hv_uio_remove()