1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef _FPGA_REGION_H 4 #define _FPGA_REGION_H 5 6 #include <linux/device.h> 7 #include <linux/fpga/fpga-mgr.h> 8 #include <linux/fpga/fpga-bridge.h> 9 10 /** 11 * struct fpga_region - FPGA Region structure 12 * @dev: FPGA Region device 13 * @mutex: enforces exclusive reference to region 14 * @bridge_list: list of FPGA bridges specified in region 15 * @mgr: FPGA manager 16 * @info: FPGA image info 17 * @priv: private data 18 * @get_bridges: optional function to get bridges to a list 19 */ 20 struct fpga_region { 21 struct device dev; 22 struct mutex mutex; /* for exclusive reference to region */ 23 struct list_head bridge_list; 24 struct fpga_manager *mgr; 25 struct fpga_image_info *info; 26 void *priv; 27 int (*get_bridges)(struct fpga_region *region); 28 }; 29 30 #define to_fpga_region(d) container_of(d, struct fpga_region, dev) 31 32 struct fpga_region *fpga_region_class_find( 33 struct device *start, const void *data, 34 int (*match)(struct device *, const void *)); 35 36 int fpga_region_program_fpga(struct fpga_region *region); 37 38 struct fpga_region 39 *fpga_region_create(struct device *dev, struct fpga_manager *mgr, 40 int (*get_bridges)(struct fpga_region *)); 41 void fpga_region_free(struct fpga_region *region); 42 int fpga_region_register(struct fpga_region *region); 43 void fpga_region_unregister(struct fpga_region *region); 44 45 #endif /* _FPGA_REGION_H */ 46