static void pci_uio_unmap(struct mapped_pci_resource *uio_res)
{
int i;
if (!uio_res)
return;
for (i = 0; i != uio_res->nb_maps; i++)
pci_unmap_resource(uio_res->maps[i].addr,
(size_t)uio_res->maps[i].size);
}
/* map the PCI resource of a PCI device in virtual memory */
int
pci_uio_map_resource(struct rte_pci_device *dev)
{
int i, map_idx = 0, ret;
uint64_t phaddr;
struct mapped_pci_resource *uio_res = NULL;
struct mapped_pci_res_list *uio_res_list =
RTE_TAILQ_CAST(rte_uio_tailq.head, mapped_pci_res_list);
dev->intr_handle.fd = -1;
dev->intr_handle.uio_cfg_fd = -1;
dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
/* secondary processes - use already recorded details */
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return pci_uio_map_secondary(dev);
/* allocate uio resource */
ret = pci_uio_alloc_resource(dev, &uio_res);
if (ret)
return ret;
/* Map all BARs */
for (i = 0; i != PCI_MAX_RESOURCE; i++) {
/* skip empty BAR */
phaddr = dev->mem_resource[i].phys_addr;
if (phaddr == 0)
continue;
ret = pci_uio_map_resource_by_index(dev, i,
uio_res, map_idx);
if (ret)
goto error;
map_idx++;
}
uio_res->nb_maps = map_idx;
TAILQ_INSERT_TAIL(uio_res_list, uio_res, next);
return 0;
error:
for (i = 0; i < map_idx; i++) {
pci_unmap_resource(uio_res->maps[i].addr,
(size_t)uio_res->maps[i].size);
rte_free(uio_res->maps[i].path);
}
pci_uio_free_resource(dev, uio_res);
return -1;
}
static void
pci_uio_unmap(struct mapped_pci_resource *uio_res)
{
int i;
if (uio_res == NULL)
return;
for (i = 0; i != uio_res->nb_maps; i++) {
pci_unmap_resource(uio_res->maps[i].addr,
(size_t)uio_res->maps[i].size);
rte_free(uio_res->maps[i].path);
}
}
