starnix_modules_kgsl/
init.rs

1// Copyright 2025 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use crate::KgslFile;
6use starnix_core::device::DeviceOps;
7use starnix_core::task::{CurrentTask, Kernel};
8use starnix_core::vfs::{FileOps, NamespaceNode};
9use starnix_logging::log_info;
10
11use starnix_uapi::device_id::DeviceId;
12use starnix_uapi::errors::Errno;
13use starnix_uapi::open_flags::OpenFlags;
14
15#[derive(Clone)]
16struct KgslDeviceBuilder {}
17
18impl DeviceOps for KgslDeviceBuilder {
19    fn open(
20        &self,
21        current_task: &CurrentTask,
22        id: DeviceId,
23        node: &NamespaceNode,
24        flags: OpenFlags,
25    ) -> Result<Box<dyn FileOps>, Errno> {
26        log_info!("kgsl: open");
27        KgslFile::new_file(current_task, id, &node.entry.node, flags)
28    }
29}
30
31pub fn kgsl_device_init(kernel: &Kernel) {
32    log_info!("kgsl: kgsl_device_init");
33
34    let registry = &kernel.device_registry;
35    let class = registry.objects.get_or_create_class("kgsl".into(), registry.objects.virtual_bus());
36    let builder = KgslDeviceBuilder {};
37
38    registry
39        .register_dyn_device(kernel, "kgsl-3d0".into(), class, builder)
40        .expect("can register kgsl-3d0");
41}
starnix_modules_kgsl/init.rs

starnix_modules_kgsl/
init.rs
