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-rw-r--r--include/linux/fpga/fpga-region.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/fpga/fpga-region.h b/include/linux/fpga/fpga-region.h
new file mode 100644
index 000000000..27cb70627
--- /dev/null
+++ b/include/linux/fpga/fpga-region.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _FPGA_REGION_H
+#define _FPGA_REGION_H
+
+#include <linux/device.h>
+#include <linux/fpga/fpga-mgr.h>
+#include <linux/fpga/fpga-bridge.h>
+
+/**
+ * struct fpga_region - FPGA Region structure
+ * @dev: FPGA Region device
+ * @mutex: enforces exclusive reference to region
+ * @bridge_list: list of FPGA bridges specified in region
+ * @mgr: FPGA manager
+ * @info: FPGA image info
+ * @compat_id: FPGA region id for compatibility check.
+ * @priv: private data
+ * @get_bridges: optional function to get bridges to a list
+ */
+struct fpga_region {
+ struct device dev;
+ struct mutex mutex; /* for exclusive reference to region */
+ struct list_head bridge_list;
+ struct fpga_manager *mgr;
+ struct fpga_image_info *info;
+ struct fpga_compat_id *compat_id;
+ void *priv;
+ int (*get_bridges)(struct fpga_region *region);
+};
+
+#define to_fpga_region(d) container_of(d, struct fpga_region, dev)
+
+struct fpga_region *fpga_region_class_find(
+ struct device *start, const void *data,
+ int (*match)(struct device *, const void *));
+
+int fpga_region_program_fpga(struct fpga_region *region);
+
+struct fpga_region
+*fpga_region_create(struct device *dev, struct fpga_manager *mgr,
+ int (*get_bridges)(struct fpga_region *));
+void fpga_region_free(struct fpga_region *region);
+int fpga_region_register(struct fpga_region *region);
+void fpga_region_unregister(struct fpga_region *region);
+
+struct fpga_region
+*devm_fpga_region_create(struct device *dev, struct fpga_manager *mgr,
+ int (*get_bridges)(struct fpga_region *));
+
+#endif /* _FPGA_REGION_H */