[RFC PATCH V2 13/18] vfio/pci: Make vfio_pci_set_irqs_ioctl() available

From: Reinette Chatre
Date: Fri Oct 06 2023 - 12:42:13 EST


vfio_pci_set_irqs_ioctl() is now a generic entrypoint that can
be configured to support different interrupt management backend.
Not limited to PCI devices it can be exported for use by
other virtual device drivers.

Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
drivers/vfio/pci/vfio_pci_intrs.c | 1 +
include/linux/vfio_pci_core.h | 3 +++
2 files changed, 4 insertions(+)

diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index 0a741159368c..d04a4477c201 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -909,3 +909,4 @@ int vfio_pci_set_irqs_ioctl(struct vfio_pci_intr_ctx *intr_ctx, uint32_t flags,
mutex_unlock(&intr_ctx->igate);
return ret;
}
+EXPORT_SYMBOL_GPL(vfio_pci_set_irqs_ioctl);
diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h
index 893a36b5d163..1dd55d98dce9 100644
--- a/include/linux/vfio_pci_core.h
+++ b/include/linux/vfio_pci_core.h
@@ -158,6 +158,9 @@ long vfio_pci_core_ioctl(struct vfio_device *core_vdev, unsigned int cmd,
void vfio_pci_init_intr_ctx(struct vfio_pci_core_device *vdev,
struct vfio_pci_intr_ctx *intr_ctx);
void vfio_pci_release_intr_ctx(struct vfio_pci_intr_ctx *intr_ctx);
+int vfio_pci_set_irqs_ioctl(struct vfio_pci_intr_ctx *intr_ctx, uint32_t flags,
+ unsigned int index, unsigned int start,
+ unsigned int count, void *data);
int vfio_pci_core_ioctl_feature(struct vfio_device *device, u32 flags,
void __user *arg, size_t argsz);
ssize_t vfio_pci_core_read(struct vfio_device *core_vdev, char __user *buf,
--
2.34.1