#include <rte_bus.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
-#include <rte_eal_memconfig.h>
#include <rte_malloc.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
"%s/" PCI_PRI_FMT "/iommu/intel-iommu/cap",
rte_pci_get_sysfs_path(), addr->domain, addr->bus, addr->devid,
addr->function);
- if (access(filename, F_OK) == -1) {
- /* We don't have an Intel IOMMU, assume VA supported*/
- return true;
- }
- /* We have an intel IOMMU */
fp = fopen(filename, "r");
if (fp == NULL) {
- RTE_LOG(ERR, EAL, "%s(): can't open %s\n", __func__, filename);
+ /* We don't have an Intel IOMMU, assume VA supported */
+ if (errno == ENOENT)
+ return true;
+
+ RTE_LOG(ERR, EAL, "%s(): can't open %s: %s\n",
+ __func__, filename, strerror(errno));
return false;
}
+ /* We have an Intel IOMMU */
if (fscanf(fp, "%" PRIx64, &vtd_cap_reg) != 1) {
RTE_LOG(ERR, EAL, "%s(): can't read %s\n", __func__, filename);
fclose(fp);
int found = 0;
size_t linesz;
+ if (rte_eal_iopl_init() != 0) {
+ RTE_LOG(ERR, EAL, "%s(): insufficient ioport permissions for PCI device %s\n",
+ __func__, dev->name);
+ return -1;
+ }
+
snprintf(pci_id, sizeof(pci_id), PCI_PRI_FMT,
dev->addr.domain, dev->addr.bus,
dev->addr.devid, dev->addr.function);