return 0;
return -1;
}
-
-
-/* map a particular resource from a file */
-void *
-pci_map_resource(void *requested_addr, int fd, off_t offset, size_t size,
- int additional_flags)
-{
- void *mapaddr;
-
- /* Map the PCI memory resource of device */
- mapaddr = rte_mem_map(requested_addr, size,
- RTE_PROT_READ | RTE_PROT_WRITE,
- RTE_MAP_SHARED | additional_flags, fd, offset);
- if (mapaddr == NULL) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot map resource(%d, %p, 0x%zx, 0x%llx): %s (%p)\n",
- __func__, fd, requested_addr, size,
- (unsigned long long)offset,
- rte_strerror(rte_errno), mapaddr);
- mapaddr = MAP_FAILED; /* API uses mmap error code */
- } else
- RTE_LOG(DEBUG, EAL, " PCI memory mapped at %p\n", mapaddr);
-
- return mapaddr;
-}
-
-/* unmap a particular resource */
-void
-pci_unmap_resource(void *requested_addr, size_t size)
-{
- if (requested_addr == NULL)
- return;
-
- /* Unmap the PCI memory resource of device */
- if (rte_mem_unmap(requested_addr, size)) {
- RTE_LOG(ERR, EAL, "%s(): cannot mem unmap(%p, %#zx): %s\n",
- __func__, requested_addr, size,
- rte_strerror(rte_errno));
- } else
- RTE_LOG(DEBUG, EAL, " PCI memory unmapped at %p\n",
- requested_addr);
-}