Commit 9f3acb3d authored by Nipun Gupta's avatar Nipun Gupta Committed by Alex Williamson
Browse files

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: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202508070308.opy5dIFX-lkp@intel.com/


Reviewed-by: default avatarNikhil Agarwal <nikhil.agarwal@amd.com>
Reviewed-by: default avatarAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: default avatarNipun Gupta <nipun.gupta@amd.com>
Link: https://lore.kernel.org/r/20250826043852.2206008-2-nipun.gupta@amd.com


Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent ab1d8dda

drivers/vfio/cdx/Makefile

+5 −1
Original line number Diff line number Diff line
@@ -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

drivers/vfio/cdx/private.h

+14 −0
Original line number Diff line number Diff line
@@ -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 */