/* SPDX-License-Identifier: GPL-2.0 *//* rust_binder_internal.h * * This file contains internal data structures used by Rust Binder. Mostly, * these are type definitions used only by binderfs or things that Rust Binder * define and export to binderfs. * * It does not include things exported by binderfs to Rust Binder since this * file is not included as input to bindgen. * * Copyright (C) 2025 Google LLC. */ #ifndef _LINUX_RUST_BINDER_INTERNAL_H#define _LINUX_RUST_BINDER_INTERNAL_H #define RUST_BINDERFS_SUPER_MAGIC	0x6c6f6f71 #include <linux/seq_file.h>#include <uapi/linux/android/binder.h>#include <uapi/linux/android/binderfs.h> /* * The internal data types in the Rust Binder driver are opaque to C, so we use * void pointer typedefs for these types. */typedef void *rust_binder_context; /** * struct binder_device - information about a binder device node * @minor:     the minor number used by this device * @ctx:       the Rust Context used by this device, or null for binder-control * * This is used as the private data for files directly in binderfs, but not * files in the binder_logs subdirectory. This struct owns a refcount on `ctx` * and the entry for `minor` in `binderfs_minors`. For binder-control `ctx` is * null. */struct binder_device {	int minor;	rust_binder_context ctx;}; int rust_binder_stats_show(struct seq_file *m, void *unused);int rust_binder_state_show(struct seq_file *m, void *unused);int rust_binder_transactions_show(struct seq_file *m, void *unused);int rust_binder_proc_show(struct seq_file *m, void *pid); extern const struct file_operations rust_binder_fops;rust_binder_context rust_binder_new_context(char *name);void rust_binder_remove_context(rust_binder_context device); /** * binderfs_mount_opts - mount options for binderfs * @max: maximum number of allocatable binderfs binder devices * @stats_mode: enable binder stats in binderfs. */struct binderfs_mount_opts {	int max;	int stats_mode;}; /** * binderfs_info - information about a binderfs mount * @ipc_ns:         The ipc namespace the binderfs mount belongs to. * @control_dentry: This records the dentry of this binderfs mount *                  binder-control device. * @root_uid:       uid that needs to be used when a new binder device is *                  created. * @root_gid:       gid that needs to be used when a new binder device is *                  created. * @mount_opts:     The mount options in use. * @device_count:   The current number of allocated binder devices. * @proc_log_dir:   Pointer to the directory dentry containing process-specific *                  logs. */struct binderfs_info {	struct ipc_namespace *ipc_ns;	struct dentry *control_dentry;	kuid_t root_uid;	kgid_t root_gid;	struct binderfs_mount_opts mount_opts;	int device_count;	struct dentry *proc_log_dir;}; #endif /* _LINUX_RUST_BINDER_INTERNAL_H */