NVIDIA/open-gpu-kernel-modules
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russellcnv
2024-06-28 19:18:50 -07:00
parent 3750358633
commit 91726f2e21
194 changed files with 44392 additions and 38511 deletions
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34
kernel-open/nvidia/nv-pci.c
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@@ -37,6 +37,10 @@
#include <linux/kernfs.h>
#endif
#if !defined(NV_BUS_TYPE_HAS_IOMMU_OPS)
#include <linux/iommu.h>
#endif
static void
nv_check_and_exclude_gpu(
nvidia_stack_t *sp,
@@ -530,35 +534,21 @@ nv_pci_probe
if (pci_dev->is_virtfn)
{
#if defined(NV_VGPU_KVM_BUILD)
nvl = pci_get_drvdata(pci_dev->physfn);
if (!nvl)
#if defined(NV_BUS_TYPE_HAS_IOMMU_OPS)
if (pci_dev->dev.bus->iommu_ops == NULL)
#else
if ((pci_dev->dev.iommu != NULL) && (pci_dev->dev.iommu->iommu_dev != NULL) &&
(pci_dev->dev.iommu->iommu_dev->ops == NULL))
#endif
{
nv_printf(NV_DBG_ERRORS, "NVRM: Aborting probe for VF %04x:%02x:%02x.%x "
"since PF is not bound to nvidia driver.\n",
"since IOMMU is not present on the system.\n",
NV_PCI_DOMAIN_NUMBER(pci_dev), NV_PCI_BUS_NUMBER(pci_dev),
NV_PCI_SLOT_NUMBER(pci_dev), PCI_FUNC(pci_dev->devfn));
goto failed;
}
if (pci_dev->dev.bus->iommu_ops == NULL)
{
nv = NV_STATE_PTR(nvl);
if (rm_is_iommu_needed_for_sriov(sp, nv))
{
nv_printf(NV_DBG_ERRORS, "NVRM: Aborting probe for VF %04x:%02x:%02x.%x "
"since IOMMU is not present on the system.\n",
NV_PCI_DOMAIN_NUMBER(pci_dev), NV_PCI_BUS_NUMBER(pci_dev),
NV_PCI_SLOT_NUMBER(pci_dev), PCI_FUNC(pci_dev->devfn));
goto failed;
}
}
if (nvidia_vgpu_vfio_probe(pci_dev) != NV_OK)
{
nv_printf(NV_DBG_ERRORS, "NVRM: Failed to register device to vGPU VFIO module");
goto failed;
}
nv_kmem_cache_free_stack(sp);
return 0;
#else