eal: remove Xen dom0 support

[dpdk.git] / lib / librte_eal / linuxapp / igb_uio / igb_uio.c

diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index da71e05..c8dd5f4 100644 (file)
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -34,9 +34,6 @@
 #include <linux/version.h>
 #include <linux/slab.h>
 
-#ifdef CONFIG_XEN_DOM0
-#include <xen/xen.h>
-#endif
 #include <rte_pci_dev_features.h>
 
 #include "compat.h"
@@ -191,52 +188,6 @@ igbuio_pci_release(struct uio_info *info, struct inode *inode)
        return 0;
 }
 
-#ifdef CONFIG_XEN_DOM0
-static int
-igbuio_dom0_mmap_phys(struct uio_info *info, struct vm_area_struct *vma)
-{
-       int idx;
-
-       idx = (int)vma->vm_pgoff;
-       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#ifdef HAVE_PTE_MASK_PAGE_IOMAP
-       vma->vm_page_prot.pgprot |= _PAGE_IOMAP;
-#endif
-
-       return remap_pfn_range(vma,
-                       vma->vm_start,
-                       info->mem[idx].addr >> PAGE_SHIFT,
-                       vma->vm_end - vma->vm_start,
-                       vma->vm_page_prot);
-}
-
-/**
- * This is uio device mmap method which will use igbuio mmap for Xen
- * Dom0 environment.
- */
-static int
-igbuio_dom0_pci_mmap(struct uio_info *info, struct vm_area_struct *vma)
-{
-       int idx;
-
-       if (vma->vm_pgoff >= MAX_UIO_MAPS)
-               return -EINVAL;
-
-       if (info->mem[vma->vm_pgoff].size == 0)
-               return -EINVAL;
-
-       idx = (int)vma->vm_pgoff;
-       switch (info->mem[idx].memtype) {
-       case UIO_MEM_PHYS:
-               return igbuio_dom0_mmap_phys(info, vma);
-       case UIO_MEM_LOGICAL:
-       case UIO_MEM_VIRTUAL:
-       default:
-               return -EINVAL;
-       }
-}
-#endif
-
 /* Remap pci resources described by bar #pci_bar in uio resource n. */
 static int
 igbuio_pci_setup_iomem(struct pci_dev *dev, struct uio_info *info,
@@ -480,11 +431,6 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
        udev->info.irqcontrol = igbuio_pci_irqcontrol;
        udev->info.open = igbuio_pci_open;
        udev->info.release = igbuio_pci_release;
-#ifdef CONFIG_XEN_DOM0
-       /* check if the driver run on Xen Dom0 */
-       if (xen_initial_domain())
-               udev->info.mmap = igbuio_dom0_pci_mmap;
-#endif
        udev->info.priv = udev;
        udev->pdev = dev;