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Sun, 22 Feb 2026 11:35:25 -0800 From: Manikanta Maddireddy To: , , , , , , , , , , , , , , , , , , <18255117159@163.com> CC: , , , Manikanta Maddireddy Subject: [PATCH 1/4] PCI: endpoint: Add reserved region type for MSI-X Table and PBA Date: Mon, 23 Feb 2026 01:04:53 +0530 Message-ID: <20260222193456.2460963-2-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260222193456.2460963-1-mmaddireddy@nvidia.com> References: <20260222193456.2460963-1-mmaddireddy@nvidia.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001508:EE_|DS7PR12MB5791:EE_ X-MS-Office365-Filtering-Correlation-Id: 347c2afc-c67c-4d25-38fc-08de724990b7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700013|376014|7416014|921020; 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Signed-off-by: Manikanta Maddireddy --- include/linux/pci-epc.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index c181c6d107b7..89ab7d07c5d6 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -214,6 +214,7 @@ enum pci_epc_bar_type { /** * enum pci_epc_bar_rsvd_region_type - type of a fixed subregion behind a BAR * @PCI_EPC_BAR_RSVD_DMA_CTRL_MMIO: Integrated DMA controller MMIO window + * @PCI_EPC_BAR_RSVD_MSIX_CTRL_RAM: MSI-X table and PBA structures * * BARs marked BAR_RESERVED are owned by the SoC/EPC hardware and must not be * reprogrammed by EPF drivers. Some of them still expose fixed subregions that @@ -221,6 +222,7 @@ enum pci_epc_bar_type { */ enum pci_epc_bar_rsvd_region_type { PCI_EPC_BAR_RSVD_DMA_CTRL_MMIO = 0, + PCI_EPC_BAR_RSVD_MSIX_CTRL_RAM, }; /** -- 2.34.1