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| 1 | +# SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | config VFIO_PCI |
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2 | 3 | tristate "VFIO support for PCI devices" |
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3 | 4 | depends on VFIO && PCI && EVENTFD |
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.. | .. |
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39 | 40 | and LPC bridge config space. |
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40 | 41 | |
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41 | 42 | To enable Intel IGD assignment through vfio-pci, say Y. |
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| 43 | + |
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| 44 | +config VFIO_PCI_NVLINK2 |
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| 45 | + def_bool y |
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| 46 | + depends on VFIO_PCI && PPC_POWERNV && SPAPR_TCE_IOMMU |
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| 47 | + help |
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| 48 | + VFIO PCI support for P9 Witherspoon machine with NVIDIA V100 GPUs |
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| 49 | + |
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| 50 | +config VFIO_PCI_ZDEV |
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| 51 | + bool "VFIO PCI ZPCI device CLP support" |
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| 52 | + depends on VFIO_PCI && S390 |
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| 53 | + default y |
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| 54 | + help |
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| 55 | + Enabling this option exposes VFIO capabilities containing hardware |
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| 56 | + configuration for zPCI devices. This enables userspace (e.g. QEMU) |
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| 57 | + to supply proper configuration values instead of hard-coded defaults |
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| 58 | + for zPCI devices passed through via VFIO on s390. |
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| 59 | + |
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| 60 | + Say Y here. |
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