From: Nipun Gupta Date: Tue, 26 Aug 2025 04:38:52 +0000 (+0530) Subject: vfio/cdx: update driver to build without CONFIG_GENERIC_MSI_IRQ X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9f3acb3d9a1872e2fa36af068ca2e93a8a864089;p=users%2Fhch%2Fmisc.git vfio/cdx: update driver to build without CONFIG_GENERIC_MSI_IRQ Define dummy MSI related APIs in VFIO CDX driver to build the driver without enabling CONFIG_GENERIC_MSI_IRQ flag. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202508070308.opy5dIFX-lkp@intel.com/ Reviewed-by: Nikhil Agarwal Reviewed-by: Alex Williamson Signed-off-by: Nipun Gupta Link: https://lore.kernel.org/r/20250826043852.2206008-2-nipun.gupta@amd.com Signed-off-by: Alex Williamson --- diff --git a/drivers/vfio/cdx/Makefile b/drivers/vfio/cdx/Makefile index df92b320122a..dadbef2419ea 100644 --- a/drivers/vfio/cdx/Makefile +++ b/drivers/vfio/cdx/Makefile @@ -5,4 +5,8 @@ obj-$(CONFIG_VFIO_CDX) += vfio-cdx.o -vfio-cdx-objs := main.o intr.o +vfio-cdx-objs := main.o + +ifdef CONFIG_GENERIC_MSI_IRQ +vfio-cdx-objs += intr.o +endif diff --git a/drivers/vfio/cdx/private.h b/drivers/vfio/cdx/private.h index dc56729b3114..172e48caa3a0 100644 --- a/drivers/vfio/cdx/private.h +++ b/drivers/vfio/cdx/private.h @@ -38,11 +38,25 @@ struct vfio_cdx_device { u8 config_msi; }; +#ifdef CONFIG_GENERIC_MSI_IRQ int vfio_cdx_set_irqs_ioctl(struct vfio_cdx_device *vdev, u32 flags, unsigned int index, unsigned int start, unsigned int count, void *data); void vfio_cdx_irqs_cleanup(struct vfio_cdx_device *vdev); +#else +static int vfio_cdx_set_irqs_ioctl(struct vfio_cdx_device *vdev, + u32 flags, unsigned int index, + unsigned int start, unsigned int count, + void *data) +{ + return -EINVAL; +} + +static void vfio_cdx_irqs_cleanup(struct vfio_cdx_device *vdev) +{ +} +#endif #endif /* VFIO_CDX_PRIVATE_H */