tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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 */
20struct 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
32struct fpga_region *fpga_region_class_find(
33 struct device *start, const void *data,
34 int (*match)(struct device *, const void *));
35
36int fpga_region_program_fpga(struct fpga_region *region);
37
38struct fpga_region
39*fpga_region_create(struct device *dev, struct fpga_manager *mgr,
40 int (*get_bridges)(struct fpga_region *));
41void fpga_region_free(struct fpga_region *region);
42int fpga_region_register(struct fpga_region *region);
43void fpga_region_unregister(struct fpga_region *region);
44
45#endif /* _FPGA_REGION_H */