Files
linux/drivers/gpu/drm/nova/driver.rs
Gary Guo 0deeb4222d rust: driver: remove $module_table_name from module_device_table
Wrap the generated code in a `const _: ()` block to avoid symbol conflict.
This removes the need of creating a new identifier.

Signed-off-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20260629-id_info-v2-7-56fccbe9c5ef@garyguo.net
[ Consider the serdev code merged in the meantime. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
2026-07-30 22:50:15 +02:00

85 lines
2.1 KiB
Rust

// SPDX-License-Identifier: GPL-2.0
use kernel::{
auxiliary,
device::Core,
drm::{
self,
gem,
ioctl, //
},
prelude::*,
sync::aref::ARef, //
};
use crate::file::File;
use crate::gem::NovaObject;
pub(crate) struct NovaDriver;
pub(crate) struct Nova {
#[expect(unused)]
drm: ARef<drm::Device<NovaDriver>>,
}
/// Convienence type alias for the DRM device type for this driver
pub(crate) type NovaDevice<Ctx = drm::Registered> = drm::Device<NovaDriver, Ctx>;
#[pin_data]
pub(crate) struct NovaData {
pub(crate) adev: ARef<auxiliary::Device>,
}
const INFO: drm::DriverInfo = drm::DriverInfo {
major: 0,
minor: 0,
patchlevel: 0,
name: c"nova-drm",
desc: c"NVIDIA Graphics and Compute",
};
const NOVA_CORE_MODULE_NAME: &CStr = c"nova-core";
const AUXILIARY_NAME: &CStr = c"nova-drm";
kernel::auxiliary_device_table!(
AUX_TABLE,
<NovaDriver as auxiliary::Driver>::IdInfo,
[(
auxiliary::DeviceId::new(NOVA_CORE_MODULE_NAME, AUXILIARY_NAME),
()
)]
);
impl auxiliary::Driver for NovaDriver {
type IdInfo = ();
type Data<'bound> = Nova;
const ID_TABLE: auxiliary::IdTable<Self::IdInfo> = &AUX_TABLE;
fn probe<'bound>(
adev: &'bound auxiliary::Device<Core<'_>>,
_info: &'bound Self::IdInfo,
) -> impl PinInit<Self::Data<'bound>, Error> + 'bound {
let data = try_pin_init!(NovaData { adev: adev.into() });
let drm = drm::UnregisteredDevice::<Self>::new(adev.as_ref(), data)?;
let drm = drm::Registration::new_foreign_owned(drm, adev.as_ref(), 0)?;
Ok(Nova { drm: drm.into() })
}
}
#[vtable]
impl drm::Driver for NovaDriver {
type Data = NovaData;
type File = File;
type Object<Ctx: drm::DeviceContext> = gem::Object<NovaObject, Ctx>;
const INFO: drm::DriverInfo = INFO;
kernel::declare_drm_ioctls! {
(NOVA_GETPARAM, drm_nova_getparam, ioctl::RENDER_ALLOW, File::get_param),
(NOVA_GEM_CREATE, drm_nova_gem_create, ioctl::AUTH | ioctl::RENDER_ALLOW, File::gem_create),
(NOVA_GEM_INFO, drm_nova_gem_info, ioctl::AUTH | ioctl::RENDER_ALLOW, File::gem_info),
}
}