84 const char *usnic_vnic_pci_name(struct usnic_vnic *vnic)  in usnic_vnic_pci_name()  argument
86 	return pci_name(usnic_vnic_get_pdev(vnic));  in usnic_vnic_pci_name()
89 int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf,  in usnic_vnic_dump()  argument
102 	bar0 = usnic_vnic_get_bar(vnic, 0);  in usnic_vnic_dump()
105 			usnic_vnic_get_index(vnic),  in usnic_vnic_dump()
117 	spin_lock(&vnic->res_lock);  in usnic_vnic_dump()
118 	for (i = 0; i < ARRAY_SIZE(vnic->chunks); i++) {  in usnic_vnic_dump()
119 		chunk = &vnic->chunks[i];  in usnic_vnic_dump()
134 	spin_unlock(&vnic->res_lock);  in usnic_vnic_dump()
199 int usnic_vnic_check_room(struct usnic_vnic *vnic,  in usnic_vnic_check_room()  argument
213 		if (res_cnt > usnic_vnic_res_free_cnt(vnic, res_type))  in usnic_vnic_check_room()
220 int usnic_vnic_res_cnt(struct usnic_vnic *vnic,  in usnic_vnic_res_cnt()  argument
223 	return vnic->chunks[type].cnt;  in usnic_vnic_res_cnt()
226 int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,  in usnic_vnic_res_free_cnt()  argument
229 	return vnic->chunks[type].free_cnt;  in usnic_vnic_res_free_cnt()
233 usnic_vnic_get_resources(struct usnic_vnic *vnic, enum usnic_vnic_res_type type,  in usnic_vnic_get_resources()  argument
240 	if (usnic_vnic_res_free_cnt(vnic, type) < cnt || cnt < 1 || !owner)  in usnic_vnic_get_resources()
246 				usnic_vnic_pci_name(vnic));  in usnic_vnic_get_resources()
253 				usnic_vnic_pci_name(vnic));  in usnic_vnic_get_resources()
258 	spin_lock(&vnic->res_lock);  in usnic_vnic_get_resources()
259 	src = &vnic->chunks[type];  in usnic_vnic_get_resources()
269 	spin_unlock(&vnic->res_lock);  in usnic_vnic_get_resources()
271 	ret->vnic = vnic;  in usnic_vnic_get_resources()
282 	struct usnic_vnic *vnic = chunk->vnic;  in usnic_vnic_put_resources()  local
284 	spin_lock(&vnic->res_lock);  in usnic_vnic_put_resources()
289 		vnic->chunks[res->type].free_cnt++;  in usnic_vnic_put_resources()
291 	spin_unlock(&vnic->res_lock);  in usnic_vnic_put_resources()
297 u16 usnic_vnic_get_index(struct usnic_vnic *vnic)  in usnic_vnic_get_index()  argument
299 	return usnic_vnic_get_pdev(vnic)->devfn - 1;  in usnic_vnic_get_index()
302 static int usnic_vnic_alloc_res_chunk(struct usnic_vnic *vnic,  in usnic_vnic_alloc_res_chunk()  argument
309 	cnt = vnic_dev_get_res_count(vnic->vdev, _to_vnic_res_type(type));  in usnic_vnic_alloc_res_chunk()
326 		res->vnic = vnic;  in usnic_vnic_alloc_res_chunk()
327 		res->ctrl = vnic_dev_get_res(vnic->vdev,  in usnic_vnic_alloc_res_chunk()
332 	chunk->vnic = vnic;  in usnic_vnic_alloc_res_chunk()
350 						struct usnic_vnic *vnic)  in usnic_vnic_discover_resources()  argument
356 	for (i = 0; i < ARRAY_SIZE(vnic->bar); i++) {  in usnic_vnic_discover_resources()
359 		vnic->bar[i].len = pci_resource_len(pdev, i);  in usnic_vnic_discover_resources()
360 		vnic->bar[i].vaddr = pci_iomap(pdev, i, vnic->bar[i].len);  in usnic_vnic_discover_resources()
361 		if (!vnic->bar[i].vaddr) {  in usnic_vnic_discover_resources()
367 		vnic->bar[i].bus_addr = pci_resource_start(pdev, i);  in usnic_vnic_discover_resources()
370 	vnic->vdev = vnic_dev_register(NULL, pdev, pdev, vnic->bar,  in usnic_vnic_discover_resources()
371 			ARRAY_SIZE(vnic->bar));  in usnic_vnic_discover_resources()
372 	if (!vnic->vdev) {  in usnic_vnic_discover_resources()
381 		err = usnic_vnic_alloc_res_chunk(vnic, res_type,  in usnic_vnic_discover_resources()
382 						&vnic->chunks[res_type]);  in usnic_vnic_discover_resources()
395 		usnic_vnic_free_res_chunk(&vnic->chunks[res_type]);  in usnic_vnic_discover_resources()
396 	vnic_dev_unregister(vnic->vdev);  in usnic_vnic_discover_resources()
398 	for (i = 0; i < ARRAY_SIZE(vnic->bar); i++) {  in usnic_vnic_discover_resources()
401 		if (!vnic->bar[i].vaddr)  in usnic_vnic_discover_resources()
404 		iounmap(vnic->bar[i].vaddr);  in usnic_vnic_discover_resources()
410 struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic)  in usnic_vnic_get_pdev()  argument
412 	return vnic_dev_get_pdev(vnic->vdev);  in usnic_vnic_get_pdev()
415 struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,  in usnic_vnic_get_bar()  argument
418 	return (bar_num < ARRAY_SIZE(vnic->bar)) ? &vnic->bar[bar_num] : NULL;  in usnic_vnic_get_bar()
421 static void usnic_vnic_release_resources(struct usnic_vnic *vnic)  in usnic_vnic_release_resources()  argument
427 	pdev = usnic_vnic_get_pdev(vnic);  in usnic_vnic_release_resources()
431 		usnic_vnic_free_res_chunk(&vnic->chunks[res_type]);  in usnic_vnic_release_resources()
433 	vnic_dev_unregister(vnic->vdev);  in usnic_vnic_release_resources()
435 	for (i = 0; i < ARRAY_SIZE(vnic->bar); i++) {  in usnic_vnic_release_resources()
438 		iounmap(vnic->bar[i].vaddr);  in usnic_vnic_release_resources()
444 	struct usnic_vnic *vnic;  in usnic_vnic_alloc()  local
452 	vnic = kzalloc(sizeof(*vnic), GFP_KERNEL);  in usnic_vnic_alloc()
453 	if (!vnic) {  in usnic_vnic_alloc()
459 	spin_lock_init(&vnic->res_lock);  in usnic_vnic_alloc()
461 	err = usnic_vnic_discover_resources(pdev, vnic);  in usnic_vnic_alloc()
468 	usnic_dbg("Allocated vnic for %s\n", usnic_vnic_pci_name(vnic));  in usnic_vnic_alloc()
470 	return vnic;  in usnic_vnic_alloc()
473 	kfree(vnic);  in usnic_vnic_alloc()
478 void usnic_vnic_free(struct usnic_vnic *vnic)  in usnic_vnic_free()  argument
480 	usnic_vnic_release_resources(vnic);  in usnic_vnic_free()
481 	kfree(vnic);  in usnic_vnic_free()