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Diffstat (limited to 'src/vlib/linux/vfio.c')
-rw-r--r--src/vlib/linux/vfio.c34
1 files changed, 1 insertions, 33 deletions
diff --git a/src/vlib/linux/vfio.c b/src/vlib/linux/vfio.c
index e39bf01fdc0..621dfb2ce01 100644
--- a/src/vlib/linux/vfio.c
+++ b/src/vlib/linux/vfio.c
@@ -73,7 +73,7 @@ map_regions (vlib_main_t * vm, int fd)
int rv;
dm.vaddr = pointer_to_uword (pr->mem) + (i << pr->log2_page_size);
dm.size = 1 << pr->log2_page_size;
- dm.iova = pr->page_table[i];
+ dm.iova = dm.vaddr;
if ((rv = ioctl (fd, VFIO_IOMMU_MAP_DMA, &dm)))
return rv;
}
@@ -82,30 +82,6 @@ map_regions (vlib_main_t * vm, int fd)
return 0;
}
-static clib_error_t *
-scan_vfio_fd (void *arg, u8 * path_name, u8 * file_name)
-{
- linux_vfio_main_t *lvm = &vfio_main;
- const char fn[] = "/dev/vfio/vfio";
- char buff[sizeof (fn)] = { 0 };
- int fd;
- u8 *path = format (0, "%v%c", path_name, 0);
-
- if (readlink ((char *) path, buff, sizeof (fn)) + 1 != sizeof (fn))
- goto done;
-
- if (strncmp (fn, buff, sizeof (fn)))
- goto done;
-
- fd = atoi ((char *) file_name);
- if (fd != lvm->container_fd)
- lvm->ext_container_fd = atoi ((char *) file_name);
-
-done:
- vec_free (path);
- return 0;
-}
-
void
linux_vfio_dma_map_regions (vlib_main_t * vm)
{
@@ -113,12 +89,6 @@ linux_vfio_dma_map_regions (vlib_main_t * vm)
if (lvm->container_fd != -1)
map_regions (vm, lvm->container_fd);
-
- if (lvm->ext_container_fd == -1)
- foreach_directory_file ("/proc/self/fd", scan_vfio_fd, 0, 0);
-
- if (lvm->ext_container_fd != -1)
- map_regions (vm, lvm->ext_container_fd);
}
static linux_pci_vfio_iommu_group_t *
@@ -252,8 +222,6 @@ linux_vfio_init (vlib_main_t * vm)
linux_vfio_main_t *lvm = &vfio_main;
int fd;
- lvm->ext_container_fd = -1;
-
fd = open ("/dev/vfio/vfio", O_RDWR);
/* check if iommu is available */