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Diffstat (limited to 'Documentation/ABI/testing/debugfs-vfio')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-vfio | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-vfio b/Documentation/ABI/testing/debugfs-vfio index 70ec2d454686..ed2f29c3a9b4 100644 --- a/Documentation/ABI/testing/debugfs-vfio +++ b/Documentation/ABI/testing/debugfs-vfio @@ -29,3 +29,29 @@ Date: Oct 2025 KernelVersion: 6.18 Contact: Cédric Le Goater <clg@redhat.com> Description: Read the migration features of the vfio device. + +What: /sys/kernel/debug/vfio/<device>/pci +Date: June 2026 +KernelVersion: 7.2 +Contact: Alex Williamson <alex.williamson@nvidia.com> +Description: This debugfs file directory is used for debugging + VFIO PCI devices. + +What: /sys/kernel/debug/vfio/<device>/pci/nointxmask +Date: June 2026 +KernelVersion: 7.2 +Contact: Alex Williamson <alex.williamson@nvidia.com> +Description: Read the nointxmask policy latched for this device. This + policy governs whether the device may use PCI 2.3 style + INTx masking when supported, reporting a value of "N", or + requires APIC level INTx masking, reporting a value of "Y". + +What: /sys/kernel/debug/vfio/<device>/pci/disable_idle_d3 +Date: June 2026 +KernelVersion: 7.2 +Contact: Alex Williamson <alex.williamson@nvidia.com> +Description: Read the disable_idle_d3 policy latched for this device. This + policy governs whether the device PM runtime usage count is + kept elevated while the device is bound to the driver and + unused, reporting a value of "Y", or decremented to allow the + device to enter a low power state, reporting a value of "N". |