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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Nov 2025 12:42:25.8656 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1a5a1a24-57e7-45e0-c2eb-08de25d6c327 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECD7.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB9045 Content-Type: text/plain; charset="utf-8" From: Ankit Agrawal Export vfio_find_cap_start to be used by the nvgrace-gpu module. This would be used to determine GPU FLR requests. Signed-off-by: Ankit Agrawal --- drivers/vfio/pci/vfio_pci_config.c | 3 ++- include/linux/vfio_pci_core.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci= _config.c index 333fd149c21a..50390189b586 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -1114,7 +1114,7 @@ int __init vfio_pci_init_perm_bits(void) return ret; } =20 -static int vfio_find_cap_start(struct vfio_pci_core_device *vdev, int pos) +int vfio_find_cap_start(struct vfio_pci_core_device *vdev, int pos) { u8 cap; int base =3D (pos >=3D PCI_CFG_SPACE_SIZE) ? PCI_CFG_SPACE_SIZE : @@ -1130,6 +1130,7 @@ static int vfio_find_cap_start(struct vfio_pci_core_d= evice *vdev, int pos) =20 return pos; } +EXPORT_SYMBOL_GPL(vfio_find_cap_start); =20 static int vfio_msi_config_read(struct vfio_pci_core_device *vdev, int pos, int count, struct perm_bits *perm, diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h index 058acded858b..a097a66485b4 100644 --- a/include/linux/vfio_pci_core.h +++ b/include/linux/vfio_pci_core.h @@ -132,6 +132,7 @@ void vfio_pci_core_finish_enable(struct vfio_pci_core_d= evice *vdev); int vfio_pci_core_setup_barmap(struct vfio_pci_core_device *vdev, int bar); pci_ers_result_t vfio_pci_core_aer_err_detected(struct pci_dev *pdev, pci_channel_state_t state); +int vfio_find_cap_start(struct vfio_pci_core_device *vdev, int pos); ssize_t vfio_pci_core_do_io_rw(struct vfio_pci_core_device *vdev, bool tes= t_mem, void __iomem *io, char __user *buf, loff_t off, size_t count, size_t x_start, --=20 2.34.1