From: Niklas Cassel Date: Mon, 10 Mar 2025 11:10:21 +0000 (+0100) Subject: PCI: endpoint: Add intx_capable to epc_features struct X-Git-Tag: v6.15-rc1~119^2~18^2~3 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b313c69a38e28b2f002198c3909fb553e9b0176;p=thirdparty%2Fkernel%2Flinux.git PCI: endpoint: Add intx_capable to epc_features struct In struct pci_epc_features, an EPC driver can already specify if they support MSI (by setting msi_capable) and MSI-X (by setting msix_capable). Thus, for consistency, allow an EPC driver to specify if it supports INTx interrupts as well (by setting intx_capable). Since this struct is zero initialized, EPC drivers that want to claim INTx support will need to set intx_capable to true. Signed-off-by: Niklas Cassel [kwilczynski: add missing kernel-doc for "intx_capable"] Signed-off-by: Krzysztof Wilczyński Link: https://lore.kernel.org/r/20250310111016.859445-13-cassel@kernel.org --- diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index e818e3fdcded9..9d14d78abd149 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -221,6 +221,7 @@ struct pci_epc_bar_desc { * @linkup_notifier: indicate if the EPC device can notify EPF driver on link up * @msi_capable: indicate if the endpoint function has MSI capability * @msix_capable: indicate if the endpoint function has MSI-X capability + * @intx_capable: indicate if the endpoint can raise INTx interrupts * @bar: array specifying the hardware description for each BAR * @align: alignment size required for BAR buffer allocation */ @@ -228,6 +229,7 @@ struct pci_epc_features { unsigned int linkup_notifier : 1; unsigned int msi_capable : 1; unsigned int msix_capable : 1; + unsigned int intx_capable : 1; struct pci_epc_bar_desc bar[PCI_STD_NUM_BARS]; size_t align; };