190 unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring,  in svnic_dev_desc_ring_size()  argument
203 	ring->base_align = 512;  in svnic_dev_desc_ring_size()
208 	ring->desc_count = ALIGN(desc_count, count_align);  in svnic_dev_desc_ring_size()
210 	ring->desc_size = ALIGN(desc_size, desc_align);  in svnic_dev_desc_ring_size()
212 	ring->size = ring->desc_count * ring->desc_size;  in svnic_dev_desc_ring_size()
213 	ring->size_unaligned = ring->size + ring->base_align;  in svnic_dev_desc_ring_size()
215 	return ring->size_unaligned;  in svnic_dev_desc_ring_size()
218 void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring)  in svnic_dev_clear_desc_ring()  argument
220 	memset(ring->descs, 0, ring->size);  in svnic_dev_clear_desc_ring()
223 int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,  in svnic_dev_alloc_desc_ring()  argument
226 	svnic_dev_desc_ring_size(ring, desc_count, desc_size);  in svnic_dev_alloc_desc_ring()
228 	ring->descs_unaligned = pci_alloc_consistent(vdev->pdev,  in svnic_dev_alloc_desc_ring()
229 		ring->size_unaligned,  in svnic_dev_alloc_desc_ring()
230 		&ring->base_addr_unaligned);  in svnic_dev_alloc_desc_ring()
232 	if (!ring->descs_unaligned) {  in svnic_dev_alloc_desc_ring()
234 			(int)ring->size);  in svnic_dev_alloc_desc_ring()
239 	ring->base_addr = ALIGN(ring->base_addr_unaligned,  in svnic_dev_alloc_desc_ring()
240 		ring->base_align);  in svnic_dev_alloc_desc_ring()
241 	ring->descs = (u8 *)ring->descs_unaligned +  in svnic_dev_alloc_desc_ring()
242 		(ring->base_addr - ring->base_addr_unaligned);  in svnic_dev_alloc_desc_ring()
244 	svnic_dev_clear_desc_ring(ring);  in svnic_dev_alloc_desc_ring()
246 	ring->desc_avail = ring->desc_count - 1;  in svnic_dev_alloc_desc_ring()
251 void svnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring)  in svnic_dev_free_desc_ring()  argument
253 	if (ring->descs) {  in svnic_dev_free_desc_ring()
255 			ring->size_unaligned,  in svnic_dev_free_desc_ring()
256 			ring->descs_unaligned,  in svnic_dev_free_desc_ring()
257 			ring->base_addr_unaligned);  in svnic_dev_free_desc_ring()
258 		ring->descs = NULL;  in svnic_dev_free_desc_ring()
391 	dc2c->cmd_ring = (struct vnic_devcmd2 *) dc2c->wq.ring.descs;  in svnic_dev_init_devcmd2()