David TECHER
2012-Apr-28 12:07 UTC
Xen VGA PassThrough NVIDIA: include pci-stub case for changeset 25240
Hi,
For concerned persons like me that compil Xen with PassThrough NVIDIA,
modifications introduced for changeset 25240 are limited (for the moment) for
pciback.
I am used to biding device using pci-stub (device : Video Card).
Commenting out modifications introduced for this changeset is not a good choice
(I approve!). This is the only fix I found - since I am not a Xen expert - to be
able to use NVIDIA patches for revision >= 25240
May it be possible to include case for devices with pci-stub usage?
-
667 /* 668 static int libxl_pcidev_assignable(libxl_ctx *ctx, libxl_device_pci
*pcidev) 669 { 670 libxl_device_pci *pcidevs; 671 int num, i; 672 673
pcidevs = libxl_device_pci_list_assignable(ctx, &num); 674 for (i = 0; i
< num; i++) { 675 if (pcidevs[i].domain == pcidev->domain
&& 676 pcidevs[i].bus == pcidev->bus && 677
pcidevs[i].dev == pcidev->dev && 678 pcidevs[i].func ==
pcidev->func) 679 { 680 return 1; 681 } 682 }
683 return 0; 684 } 685 */ 686 int libxl__device_pci_add(libxl__gc *gc,
uint32_t domid, libxl_device_pci *pcidev, int starting) 687 { 688 libxl_ctx
*ctx = libxl__gc_owner(gc); 689 unsigned int orig_vdev, pfunc_mask; 690
libxl_device_pci *assigned; 691 int num_assigned, i, rc; 692 int
stubdomid = 0; 693 694 rc = libxl__device_pci_setdefault(gc, pcidev); 695
if (rc) goto out; 696 697 /* if
(!libxl_pcidev_assignable(ctx, pcidev)) { 698 LIBXL__LOG(ctx,
LIBXL__LOG_ERROR, "PCI device %x:%x:%x.%x is not assignable", 699
pcidev->domain, pcidev->bus, pcidev->dev, pcidev->func); 700
rc = ERROR_FAIL; 701 goto out; 702 } 703 */
--Kind regards
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