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path: root/drivers/vfio/pci/vfio_pci_private.h
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Diffstat (limited to 'drivers/vfio/pci/vfio_pci_private.h')
-rw-r--r--drivers/vfio/pci/vfio_pci_private.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/vfio/pci/vfio_pci_private.h b/drivers/vfio/pci/vfio_pci_private.h
index cde3b5d3441a..8c0009f00818 100644
--- a/drivers/vfio/pci/vfio_pci_private.h
+++ b/drivers/vfio/pci/vfio_pci_private.h
@@ -59,6 +59,12 @@ struct vfio_pci_regops {
size_t count, loff_t *ppos, bool iswrite);
void (*release)(struct vfio_pci_device *vdev,
struct vfio_pci_region *region);
+ int (*mmap)(struct vfio_pci_device *vdev,
+ struct vfio_pci_region *region,
+ struct vm_area_struct *vma);
+ int (*add_capability)(struct vfio_pci_device *vdev,
+ struct vfio_pci_region *region,
+ struct vfio_info_cap *caps);
};
struct vfio_pci_region {
@@ -76,6 +82,11 @@ struct vfio_pci_dummy_resource {
struct list_head res_next;
};
+struct vfio_pci_reflck {
+ struct kref kref;
+ struct mutex lock;
+};
+
struct vfio_pci_device {
struct pci_dev *pdev;
void __iomem *barmap[PCI_STD_RESOURCE_END + 1];
@@ -104,6 +115,7 @@ struct vfio_pci_device {
bool needs_reset;
bool nointx;
struct pci_saved_state *pci_saved_state;
+ struct vfio_pci_reflck *reflck;
int refcnt;
int ioeventfds_nr;
struct eventfd_ctx *err_trigger;
@@ -157,4 +169,18 @@ static inline int vfio_pci_igd_init(struct vfio_pci_device *vdev)
return -ENODEV;
}
#endif
+#ifdef CONFIG_VFIO_PCI_NVLINK2
+extern int vfio_pci_nvdia_v100_nvlink2_init(struct vfio_pci_device *vdev);
+extern int vfio_pci_ibm_npu2_init(struct vfio_pci_device *vdev);
+#else
+static inline int vfio_pci_nvdia_v100_nvlink2_init(struct vfio_pci_device *vdev)
+{
+ return -ENODEV;
+}
+
+static inline int vfio_pci_ibm_npu2_init(struct vfio_pci_device *vdev)
+{
+ return -ENODEV;
+}
+#endif
#endif /* VFIO_PCI_PRIVATE_H */