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-rw-r--r--drivers/vfio/mdev/mdev_private.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/vfio/mdev/mdev_private.h b/drivers/vfio/mdev/mdev_private.h
new file mode 100644
index 000000000..74c2e5411
--- /dev/null
+++ b/drivers/vfio/mdev/mdev_private.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Mediated device interal definitions
+ *
+ * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
+ * Author: Neo Jia <cjia@nvidia.com>
+ * Kirti Wankhede <kwankhede@nvidia.com>
+ */
+
+#ifndef MDEV_PRIVATE_H
+#define MDEV_PRIVATE_H
+
+int mdev_bus_register(void);
+void mdev_bus_unregister(void);
+
+struct mdev_parent {
+ struct device *dev;
+ const struct mdev_parent_ops *ops;
+ struct kref ref;
+ struct list_head next;
+ struct kset *mdev_types_kset;
+ struct list_head type_list;
+ /* Synchronize device creation/removal with parent unregistration */
+ struct rw_semaphore unreg_sem;
+};
+
+struct mdev_device {
+ struct device dev;
+ struct mdev_parent *parent;
+ guid_t uuid;
+ void *driver_data;
+ struct list_head next;
+ struct kobject *type_kobj;
+ struct device *iommu_device;
+ bool active;
+};
+
+static inline struct mdev_device *to_mdev_device(struct device *dev)
+{
+ return container_of(dev, struct mdev_device, dev);
+}
+#define dev_is_mdev(d) ((d)->bus == &mdev_bus_type)
+
+struct mdev_type {
+ struct kobject kobj;
+ struct kobject *devices_kobj;
+ struct mdev_parent *parent;
+ struct list_head next;
+ struct attribute_group *group;
+};
+
+#define to_mdev_type_attr(_attr) \
+ container_of(_attr, struct mdev_type_attribute, attr)
+#define to_mdev_type(_kobj) \
+ container_of(_kobj, struct mdev_type, kobj)
+
+int parent_create_sysfs_files(struct mdev_parent *parent);
+void parent_remove_sysfs_files(struct mdev_parent *parent);
+
+int mdev_create_sysfs_files(struct device *dev, struct mdev_type *type);
+void mdev_remove_sysfs_files(struct device *dev, struct mdev_type *type);
+
+int mdev_device_create(struct kobject *kobj,
+ struct device *dev, const guid_t *uuid);
+int mdev_device_remove(struct device *dev);
+
+#endif /* MDEV_PRIVATE_H */