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-rw-r--r--include/linux/vfio.h7
-rw-r--r--include/uapi/linux/vfio.h38
2 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index ac8d488e4372..24579a0312a0 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -90,4 +90,11 @@ extern void vfio_unregister_iommu_driver(
TYPE tmp; \
offsetof(TYPE, MEMBER) + sizeof(tmp.MEMBER); }) \
+/*
+ * External user API
+ */
+extern struct vfio_group *vfio_group_get_external_user(struct file *filep);
+extern void vfio_group_put_external_user(struct vfio_group *group);
+extern int vfio_external_user_iommu_id(struct vfio_group *group);
+
#endif /* VFIO_H */
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 916e444e6f74..0fd47f5bc146 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -324,6 +324,44 @@ enum {
VFIO_PCI_NUM_IRQS
};
+/**
+ * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12,
+ * struct vfio_pci_hot_reset_info)
+ *
+ * Return: 0 on success, -errno on failure:
+ * -enospc = insufficient buffer, -enodev = unsupported for device.
+ */
+struct vfio_pci_dependent_device {
+ __u32 group_id;
+ __u16 segment;
+ __u8 bus;
+ __u8 devfn; /* Use PCI_SLOT/PCI_FUNC */
+};
+
+struct vfio_pci_hot_reset_info {
+ __u32 argsz;
+ __u32 flags;
+ __u32 count;
+ struct vfio_pci_dependent_device devices[];
+};
+
+#define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
+
+/**
+ * VFIO_DEVICE_PCI_HOT_RESET - _IOW(VFIO_TYPE, VFIO_BASE + 13,
+ * struct vfio_pci_hot_reset)
+ *
+ * Return: 0 on success, -errno on failure.
+ */
+struct vfio_pci_hot_reset {
+ __u32 argsz;
+ __u32 flags;
+ __u32 count;
+ __s32 group_fds[];
+};
+
+#define VFIO_DEVICE_PCI_HOT_RESET _IO(VFIO_TYPE, VFIO_BASE + 13)
+
/* -------- API for Type1 VFIO IOMMU -------- */
/**