diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci index d4ae03296861..fef498c34fd9 100644 --- a/Documentation/ABI/testing/sysfs-bus-pci +++ b/Documentation/ABI/testing/sysfs-bus-pci @@ -96,6 +96,17 @@ Description: This attribute indicates the mode that the irq vector named by the file is in (msi vs. msix) +What: /sys/bus/pci/devices/.../irq +Date: August 2021 +Contact: Linux PCI developers <linux-pci@vger.kernel.org> +Description: + If a driver has enabled MSI (not MSI-X), "irq" contains the + IRQ of the first MSI vector. Otherwise "irq" contains the + IRQ of the legacy INTx interrupt. + + "irq" being set to 0 indicates that the device isn't + capable of generating legacy INTx interrupts. + What: /sys/bus/pci/devices/.../remove Date: January 2009 Contact: Linux PCI developers <linux-pci@vger.kernel.org> |