static inline int
bond_pci_addr_cmp(const struct rte_device *dev, const void *_pci_addr)
{
struct rte_pci_device *pdev;
const struct rte_pci_addr *paddr = _pci_addr;
pdev = RTE_DEV_TO_PCI(*(struct rte_device **)(void *)&dev);
return rte_eal_compare_pci_addr(&pdev->addr, paddr);
}
static int
pci_uio_map_secondary(struct rte_pci_device *dev)
{
int fd, i;
struct mapped_pci_resource *uio_res;
struct mapped_pci_res_list *uio_res_list = RTE_TAILQ_CAST(rte_uio_tailq.head, mapped_pci_res_list);
TAILQ_FOREACH(uio_res, uio_res_list, next) {
/* skip this element if it doesn't match our PCI address */
if (rte_eal_compare_pci_addr(&uio_res->pci_addr, &dev->addr))
continue;
for (i = 0; i != uio_res->nb_maps; i++) {
/*
* open devname, to mmap it
*/
fd = open(uio_res->maps[i].path, O_RDWR);
if (fd < 0) {
RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
uio_res->maps[i].path, strerror(errno));
return -1;
}
void *mapaddr = pci_map_resource(uio_res->maps[i].addr,
fd, (off_t)uio_res->maps[i].offset,
(size_t)uio_res->maps[i].size, 0);
if (mapaddr != uio_res->maps[i].addr) {
if (mapaddr == MAP_FAILED)
RTE_LOG(ERR, EAL,
"Cannot mmap device resource file %s: %s\n",
uio_res->maps[i].path,
strerror(errno));
else
RTE_LOG(ERR, EAL,
"Cannot mmap device resource file %s to address: %p\n",
uio_res->maps[i].path,
uio_res->maps[i].addr);
close(fd);
return -1;
}
/* fd is not needed in slave process, close it */
close(fd);
}
return 0;
}
RTE_LOG(ERR, EAL, "Cannot find resource for device\n");
return 1;
}
static struct mapped_pci_resource *
pci_uio_find_resource(struct rte_pci_device *dev)
{
struct mapped_pci_resource *uio_res;
struct mapped_pci_res_list *uio_res_list = RTE_TAILQ_CAST(rte_uio_tailq.head, mapped_pci_res_list);
if (dev == NULL)
return NULL;
TAILQ_FOREACH(uio_res, uio_res_list, next) {
/* skip this element if it doesn't match our PCI address */
if (!rte_eal_compare_pci_addr(&uio_res->pci_addr, &dev->addr))
return uio_res;
}
return NULL;
}
