root/include/linux/fpga/fpga-region.h

INCLUDED FROM

   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  * @compat_id: FPGA region id for compatibility check.
  18  * @priv: private data
  19  * @get_bridges: optional function to get bridges to a list
  20  */
  21 struct fpga_region {
  22         struct device dev;
  23         struct mutex mutex; /* for exclusive reference to region */
  24         struct list_head bridge_list;
  25         struct fpga_manager *mgr;
  26         struct fpga_image_info *info;
  27         struct fpga_compat_id *compat_id;
  28         void *priv;
  29         int (*get_bridges)(struct fpga_region *region);
  30 };
  31 
  32 #define to_fpga_region(d) container_of(d, struct fpga_region, dev)
  33 
  34 struct fpga_region *fpga_region_class_find(
  35         struct device *start, const void *data,
  36         int (*match)(struct device *, const void *));
  37 
  38 int fpga_region_program_fpga(struct fpga_region *region);
  39 
  40 struct fpga_region
  41 *fpga_region_create(struct device *dev, struct fpga_manager *mgr,
  42                     int (*get_bridges)(struct fpga_region *));
  43 void fpga_region_free(struct fpga_region *region);
  44 int fpga_region_register(struct fpga_region *region);
  45 void fpga_region_unregister(struct fpga_region *region);
  46 
  47 struct fpga_region
  48 *devm_fpga_region_create(struct device *dev, struct fpga_manager *mgr,
  49                         int (*get_bridges)(struct fpga_region *));
  50 
  51 #endif /* _FPGA_REGION_H */