69 const char *usnic_vnic_pci_name(struct usnic_vnic *vnic)  in usnic_vnic_pci_name()  argument
71 	return pci_name(usnic_vnic_get_pdev(vnic));  in usnic_vnic_pci_name()
74 int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf,  in usnic_vnic_dump()  argument
87 	bar0 = usnic_vnic_get_bar(vnic, 0);  in usnic_vnic_dump()
90 			usnic_vnic_get_index(vnic),  in usnic_vnic_dump()
102 	spin_lock(&vnic->res_lock);  in usnic_vnic_dump()
103 	for (i = 0; i < ARRAY_SIZE(vnic->chunks); i++) {  in usnic_vnic_dump()
104 		chunk = &vnic->chunks[i];  in usnic_vnic_dump()
119 	spin_unlock(&vnic->res_lock);  in usnic_vnic_dump()
184 int usnic_vnic_check_room(struct usnic_vnic *vnic,  in usnic_vnic_check_room()  argument
198 		if (res_cnt > usnic_vnic_res_free_cnt(vnic, res_type))  in usnic_vnic_check_room()
205 int usnic_vnic_res_cnt(struct usnic_vnic *vnic,  in usnic_vnic_res_cnt()  argument
208 	return vnic->chunks[type].cnt;  in usnic_vnic_res_cnt()
211 int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,  in usnic_vnic_res_free_cnt()  argument
214 	return vnic->chunks[type].free_cnt;  in usnic_vnic_res_free_cnt()
218 usnic_vnic_get_resources(struct usnic_vnic *vnic, enum usnic_vnic_res_type type,  in usnic_vnic_get_resources()  argument
225 	if (usnic_vnic_res_free_cnt(vnic, type) < cnt || cnt < 1 || !owner)  in usnic_vnic_get_resources()
231 				usnic_vnic_pci_name(vnic));  in usnic_vnic_get_resources()
238 				usnic_vnic_pci_name(vnic));  in usnic_vnic_get_resources()
243 	spin_lock(&vnic->res_lock);  in usnic_vnic_get_resources()
244 	src = &vnic->chunks[type];  in usnic_vnic_get_resources()
254 	spin_unlock(&vnic->res_lock);  in usnic_vnic_get_resources()
256 	ret->vnic = vnic;  in usnic_vnic_get_resources()
267 	struct usnic_vnic *vnic = chunk->vnic;  in usnic_vnic_put_resources()  local
269 	spin_lock(&vnic->res_lock);  in usnic_vnic_put_resources()
274 		vnic->chunks[res->type].free_cnt++;  in usnic_vnic_put_resources()
276 	spin_unlock(&vnic->res_lock);  in usnic_vnic_put_resources()
282 u16 usnic_vnic_get_index(struct usnic_vnic *vnic)  in usnic_vnic_get_index()  argument
284 	return usnic_vnic_get_pdev(vnic)->devfn - 1;  in usnic_vnic_get_index()
287 static int usnic_vnic_alloc_res_chunk(struct usnic_vnic *vnic,  in usnic_vnic_alloc_res_chunk()  argument
294 	cnt = vnic_dev_get_res_count(vnic->vdev, _to_vnic_res_type(type));  in usnic_vnic_alloc_res_chunk()
311 		res->vnic = vnic;  in usnic_vnic_alloc_res_chunk()
312 		res->ctrl = vnic_dev_get_res(vnic->vdev,  in usnic_vnic_alloc_res_chunk()
317 	chunk->vnic = vnic;  in usnic_vnic_alloc_res_chunk()
335 						struct usnic_vnic *vnic)  in usnic_vnic_discover_resources()  argument
341 	for (i = 0; i < ARRAY_SIZE(vnic->bar); i++) {  in usnic_vnic_discover_resources()
344 		vnic->bar[i].len = pci_resource_len(pdev, i);  in usnic_vnic_discover_resources()
345 		vnic->bar[i].vaddr = pci_iomap(pdev, i, vnic->bar[i].len);  in usnic_vnic_discover_resources()
346 		if (!vnic->bar[i].vaddr) {  in usnic_vnic_discover_resources()
352 		vnic->bar[i].bus_addr = pci_resource_start(pdev, i);  in usnic_vnic_discover_resources()
355 	vnic->vdev = vnic_dev_register(NULL, pdev, pdev, vnic->bar,  in usnic_vnic_discover_resources()
356 			ARRAY_SIZE(vnic->bar));  in usnic_vnic_discover_resources()
357 	if (!vnic->vdev) {  in usnic_vnic_discover_resources()
366 		err = usnic_vnic_alloc_res_chunk(vnic, res_type,  in usnic_vnic_discover_resources()
367 						&vnic->chunks[res_type]);  in usnic_vnic_discover_resources()
380 		usnic_vnic_free_res_chunk(&vnic->chunks[res_type]);  in usnic_vnic_discover_resources()
381 	vnic_dev_unregister(vnic->vdev);  in usnic_vnic_discover_resources()
383 	for (i = 0; i < ARRAY_SIZE(vnic->bar); i++) {  in usnic_vnic_discover_resources()
386 		if (!vnic->bar[i].vaddr)  in usnic_vnic_discover_resources()
389 		iounmap(vnic->bar[i].vaddr);  in usnic_vnic_discover_resources()
395 struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic)  in usnic_vnic_get_pdev()  argument
397 	return vnic_dev_get_pdev(vnic->vdev);  in usnic_vnic_get_pdev()
400 struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,  in usnic_vnic_get_bar()  argument
403 	return (bar_num < ARRAY_SIZE(vnic->bar)) ? &vnic->bar[bar_num] : NULL;  in usnic_vnic_get_bar()
406 static void usnic_vnic_release_resources(struct usnic_vnic *vnic)  in usnic_vnic_release_resources()  argument
412 	pdev = usnic_vnic_get_pdev(vnic);  in usnic_vnic_release_resources()
416 		usnic_vnic_free_res_chunk(&vnic->chunks[res_type]);  in usnic_vnic_release_resources()
418 	vnic_dev_unregister(vnic->vdev);  in usnic_vnic_release_resources()
420 	for (i = 0; i < ARRAY_SIZE(vnic->bar); i++) {  in usnic_vnic_release_resources()
423 		iounmap(vnic->bar[i].vaddr);  in usnic_vnic_release_resources()
429 	struct usnic_vnic *vnic;  in usnic_vnic_alloc()  local
437 	vnic = kzalloc(sizeof(*vnic), GFP_KERNEL);  in usnic_vnic_alloc()
438 	if (!vnic) {  in usnic_vnic_alloc()
444 	spin_lock_init(&vnic->res_lock);  in usnic_vnic_alloc()
446 	err = usnic_vnic_discover_resources(pdev, vnic);  in usnic_vnic_alloc()
453 	usnic_dbg("Allocated vnic for %s\n", usnic_vnic_pci_name(vnic));  in usnic_vnic_alloc()
455 	return vnic;  in usnic_vnic_alloc()
458 	kfree(vnic);  in usnic_vnic_alloc()
463 void usnic_vnic_free(struct usnic_vnic *vnic)  in usnic_vnic_free()  argument
465 	usnic_vnic_release_resources(vnic);  in usnic_vnic_free()
466 	kfree(vnic);  in usnic_vnic_free()