itycodes
1 year ago
commit
ca3f6c4d60
@ -0,0 +1 @@
|
||||
/target
|
||||
@ -0,0 +1,306 @@
|
||||
# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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||||
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"windows_aarch64_msvc",
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||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
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||||
]
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name = "windows_x86_64_gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "windows_x86_64_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "windows_x86_64_msvc"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
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@ -0,0 +1,15 @@
|
||||
[package]
|
||||
name = "intel_gpu_uapi"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
libc = "0.2.161"
|
||||
|
||||
[build-dependencies]
|
||||
bindgen = "0.70.1"
|
||||
|
||||
[dev-dependencies]
|
||||
libc = "0.2.161"
|
||||
nix = { version = "0.29.0", features = ["fs"] }
|
||||
|
||||
@ -0,0 +1,15 @@
|
||||
use std::env;
|
||||
use std::path::PathBuf;
|
||||
|
||||
fn main() {
|
||||
let bindings = bindgen::Builder::default()
|
||||
.header("clib/wrapper.h")
|
||||
.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
|
||||
.generate()
|
||||
.expect("Unable to generate bindings");
|
||||
|
||||
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
|
||||
bindings
|
||||
.write_to_file(out_path.join("bindings.rs"))
|
||||
.expect("Couldn't write bindings!");
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
#include <libdrm/drm.h>
|
||||
#include <libdrm/i915_drm.h>
|
||||
|
||||
const __u64 _DRM_IOCTL_VERSION = DRM_IOCTL_VERSION;
|
||||
#undef DRM_IOCTL_VERSION
|
||||
const __u64 DRM_IOCTL_VERSION = _DRM_IOCTL_VERSION;
|
||||
|
||||
const __u64 _DRM_IOCTL_I915_QUERY = DRM_IOCTL_I915_QUERY;
|
||||
#undef DRM_IOCTL_I915_QUERY
|
||||
const __u64 DRM_IOCTL_I915_QUERY = _DRM_IOCTL_I915_QUERY;
|
||||
|
||||
const __u64 _DRM_IOCTL_I915_GETPARAM = DRM_IOCTL_I915_GETPARAM;
|
||||
#undef DRM_IOCTL_I915_GETPARAM
|
||||
const __u64 DRM_IOCTL_I915_GETPARAM = _DRM_IOCTL_I915_GETPARAM;
|
||||
@ -0,0 +1,61 @@
|
||||
use std::{ffi::OsString, os::fd::{AsRawFd, OwnedFd}};
|
||||
use super::super::uapi;
|
||||
use std::path::Path;
|
||||
use std::fs::File;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct DrmDeviceNode {
|
||||
pub fd: OwnedFd,
|
||||
pub path: Option<OsString>,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Device {
|
||||
pub node: DrmDeviceNode,
|
||||
pub driver: uapi::DrmVersion,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Engine {
|
||||
pub info: uapi::DrmI915EngineInfo,
|
||||
}
|
||||
|
||||
pub fn find_i915_device() -> Option<Device> {
|
||||
uapi::find_i915_node().and_then(|file| Device::from_path(file.path?))
|
||||
}
|
||||
|
||||
impl Device {
|
||||
pub fn from_fd(fd: OwnedFd) -> Option<Device> {
|
||||
let driver = uapi::get_drm_version(fd.as_raw_fd())?;
|
||||
Some(Device {
|
||||
node: DrmDeviceNode {
|
||||
fd: fd,
|
||||
path: None,
|
||||
},
|
||||
driver: driver,
|
||||
})
|
||||
}
|
||||
pub fn from_path(path: OsString) -> Option<Device> {
|
||||
let file = File::open(Path::new(&path)).ok()?;
|
||||
let driver = uapi::get_drm_version(file.as_raw_fd())?;
|
||||
Some(Device {
|
||||
node: DrmDeviceNode {
|
||||
fd: OwnedFd::from(file),
|
||||
path: Some(path),
|
||||
},
|
||||
driver: driver,
|
||||
})
|
||||
}
|
||||
pub fn get_engines(&self) -> Option<Vec<Engine>> {
|
||||
uapi::get_engines(self.node.fd.as_raw_fd()).map(|engines| {
|
||||
engines.into_iter().map(|engine_info| {
|
||||
Engine {
|
||||
info: engine_info,
|
||||
}
|
||||
}).collect()
|
||||
})
|
||||
}
|
||||
pub fn get_param(&self, param: u32) -> Option<i32> {
|
||||
uapi::get_param(self.node.fd.as_raw_fd(), param as i32)
|
||||
}
|
||||
}
|
||||
@ -0,0 +1 @@
|
||||
pub mod drm_i915;
|
||||
@ -0,0 +1,3 @@
|
||||
pub mod native;
|
||||
pub mod uapi;
|
||||
pub mod gpu;
|
||||
@ -0,0 +1,4 @@
|
||||
#![allow(non_upper_case_globals)]
|
||||
#![allow(non_camel_case_types)]
|
||||
#![allow(non_snake_case)]
|
||||
include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
|
||||
@ -0,0 +1,209 @@
|
||||
#![allow(non_camel_case_types)]
|
||||
|
||||
use std::os::fd::{AsRawFd, OwnedFd, RawFd};
|
||||
use std::ffi::{CStr, OsString, c_void};
|
||||
use libc;
|
||||
use crate::gpu::drm_i915::DrmDeviceNode;
|
||||
|
||||
use super::native;
|
||||
use std::fs;
|
||||
use std::fs::File;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct DrmVersion {
|
||||
pub version_major: i32,
|
||||
pub version_minor: i32,
|
||||
pub version_patchlevel: i32,
|
||||
pub name: OsString,
|
||||
pub date: OsString,
|
||||
pub desc: OsString,
|
||||
}
|
||||
|
||||
pub fn get_drm_version(fd: RawFd) -> Option<DrmVersion> {
|
||||
unsafe {
|
||||
let name_vec = libc::malloc(128);
|
||||
libc::memset(name_vec, 0, 128);
|
||||
let date_vec = libc::malloc(128);
|
||||
libc::memset(date_vec, 0, 128);
|
||||
let desc_vec = libc::malloc(128);
|
||||
libc::memset(desc_vec, 0, 128);
|
||||
|
||||
let mut version = native::drm_version {
|
||||
version_major: 0,
|
||||
version_minor: 0,
|
||||
version_patchlevel: 0,
|
||||
name: name_vec as *mut i8,
|
||||
date: date_vec as *mut i8,
|
||||
desc: desc_vec as *mut i8,
|
||||
name_len: 128,
|
||||
date_len: 128,
|
||||
desc_len: 128,
|
||||
};
|
||||
let res_val = libc::ioctl(fd, native::DRM_IOCTL_VERSION, &mut version) == 0;
|
||||
let res = if res_val {
|
||||
let name = CStr::from_ptr(version.name).to_str().expect("Failed to convert name");
|
||||
let date = CStr::from_ptr(version.date).to_str().expect("Failed to convert date");
|
||||
let desc = CStr::from_ptr(version.desc).to_str().expect("Failed to convert desc");
|
||||
let drm_version = DrmVersion {
|
||||
version_major: version.version_major,
|
||||
version_minor: version.version_minor,
|
||||
version_patchlevel: version.version_patchlevel,
|
||||
name: OsString::from(name.to_string()),
|
||||
date: OsString::from(date.to_string()),
|
||||
desc: OsString::from(desc.to_string()),
|
||||
};
|
||||
Some(drm_version)
|
||||
} else {None};
|
||||
res
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum DrmI915EngineClass {
|
||||
Render, Copy, Video, VideoEnhance, Compute, Invalid
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct DrmI915EngineClassInstance {
|
||||
pub engine_class: DrmI915EngineClass,
|
||||
pub engine_instance: u16,
|
||||
}
|
||||
|
||||
pub type DrmI915EngineInfoFlags = u64;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct DrmI915EngineInfo {
|
||||
pub engine: DrmI915EngineClassInstance,
|
||||
pub logical_instance: u16,
|
||||
pub flags: DrmI915EngineInfoFlags,
|
||||
pub capabilities: u64,
|
||||
}
|
||||
|
||||
fn engine_class_from_u16(engine_class: u16) -> DrmI915EngineClass {
|
||||
match engine_class {
|
||||
0 => DrmI915EngineClass::Render,
|
||||
1 => DrmI915EngineClass::Copy,
|
||||
2 => DrmI915EngineClass::Video,
|
||||
3 => DrmI915EngineClass::VideoEnhance,
|
||||
4 => DrmI915EngineClass::Compute,
|
||||
_ => DrmI915EngineClass::Invalid,
|
||||
}
|
||||
}
|
||||
|
||||
fn engine_class_instance_from_native(engine_class_instance: native::i915_engine_class_instance) -> DrmI915EngineClassInstance {
|
||||
DrmI915EngineClassInstance {
|
||||
engine_class: engine_class_from_u16(engine_class_instance.engine_class),
|
||||
engine_instance: engine_class_instance.engine_instance,
|
||||
}
|
||||
}
|
||||
|
||||
fn engine_info_from_native(engine_info: native::drm_i915_engine_info) -> DrmI915EngineInfo {
|
||||
DrmI915EngineInfo {
|
||||
engine: engine_class_instance_from_native(engine_info.engine),
|
||||
logical_instance: engine_info.logical_instance,
|
||||
flags: engine_info.flags,
|
||||
capabilities: engine_info.capabilities,
|
||||
}
|
||||
}
|
||||
|
||||
impl DrmI915EngineInfo {
|
||||
pub fn to_native(&self) -> native::drm_i915_engine_info {
|
||||
native::drm_i915_engine_info {
|
||||
engine: native::i915_engine_class_instance {
|
||||
engine_class: match self.engine.engine_class {
|
||||
DrmI915EngineClass::Render => 0,
|
||||
DrmI915EngineClass::Copy => 1,
|
||||
DrmI915EngineClass::Video => 2,
|
||||
DrmI915EngineClass::VideoEnhance => 3,
|
||||
DrmI915EngineClass::Compute => 4,
|
||||
DrmI915EngineClass::Invalid => 0xFFFF,
|
||||
},
|
||||
engine_instance: self.engine.engine_instance,
|
||||
},
|
||||
logical_instance: self.logical_instance,
|
||||
flags: self.flags,
|
||||
capabilities: self.capabilities,
|
||||
rsvd0: 0,
|
||||
rsvd1: [0; 3],
|
||||
rsvd2: [0; 3],
|
||||
}
|
||||
}
|
||||
pub fn from_native(engine_info: native::drm_i915_engine_info) -> DrmI915EngineInfo {
|
||||
engine_info_from_native(engine_info)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_engines(fd: RawFd) -> Option<Vec<DrmI915EngineInfo>> {
|
||||
unsafe {
|
||||
let mut query_item = native::drm_i915_query_item {
|
||||
query_id: native::DRM_I915_QUERY_ENGINE_INFO as u64,
|
||||
length: 0,
|
||||
data_ptr: core::ptr::null_mut::<c_void>() as u64,
|
||||
flags: 0,
|
||||
};
|
||||
let mut query = native::drm_i915_query {
|
||||
items_ptr: (&mut query_item) as *mut native::drm_i915_query_item as u64,
|
||||
num_items: 1,
|
||||
flags: 0,
|
||||
};
|
||||
let res = libc::ioctl(fd.as_raw_fd(), native::DRM_IOCTL_I915_QUERY, &mut query);
|
||||
if res != 0 {
|
||||
return None;
|
||||
}
|
||||
let engine_info = libc::malloc(query_item.length as usize)
|
||||
as *mut native::drm_i915_query_engine_info;
|
||||
libc::memset(engine_info as *mut c_void, 0, query_item.length as usize);
|
||||
query_item.data_ptr = engine_info as u64;
|
||||
let res = libc::ioctl(fd.as_raw_fd(), native::DRM_IOCTL_I915_QUERY, &mut query);
|
||||
if res != 0 {
|
||||
return None;
|
||||
}
|
||||
let engine_data = engine_info.as_mut().unwrap();
|
||||
let engines = engine_data.engines.as_mut_slice(engine_data.num_engines as usize);
|
||||
let mut engines_res: Vec<DrmI915EngineInfo> = Vec::new();
|
||||
for i in 0..engine_data.num_engines {
|
||||
let engine = DrmI915EngineInfo::from_native(engines[i as usize]);
|
||||
engines_res.push(engine);
|
||||
}
|
||||
Some(engines_res)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_param(fd: RawFd, param_id: i32) -> Option<i32> {
|
||||
unsafe {
|
||||
let mut value: i32 = 0;
|
||||
let mut param = native::drm_i915_getparam {
|
||||
param: param_id,
|
||||
value: &mut value as *mut i32
|
||||
};
|
||||
let res = libc::ioctl(fd, native::DRM_IOCTL_I915_GETPARAM, &mut param);
|
||||
if res != 0 {
|
||||
return None;
|
||||
}
|
||||
Some(value)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn find_i915_node() -> Option<DrmDeviceNode> {
|
||||
let inodes = fs::read_dir("/dev/dri").ok()?;
|
||||
for inode in inodes {
|
||||
let inode = inode.ok()?;
|
||||
let path = inode.path();
|
||||
let path = path.to_str()?;
|
||||
if path.starts_with("/dev/dri/renderD") {
|
||||
let file = File::open(path).unwrap();
|
||||
let dev = get_drm_version(file.as_raw_fd());
|
||||
if dev.is_some() && dev.unwrap().name.to_str().unwrap() == "i915" {
|
||||
return Some(DrmDeviceNode {
|
||||
fd: OwnedFd::from(file),
|
||||
path: Some(OsString::from(path)),
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
None
|
||||
}
|
||||
|
||||
pub fn find_i915_fd() -> Option<RawFd> {
|
||||
return find_i915_node().map(|node| node.fd.as_raw_fd());
|
||||
}
|
||||
@ -0,0 +1,70 @@
|
||||
use intel_gpu_uapi::*;
|
||||
use std::fmt::format;
|
||||
use std::os::fd::{AsRawFd, OwnedFd, RawFd};
|
||||
use std::fs::File;
|
||||
use std::path::Path;
|
||||
|
||||
#[test]
|
||||
fn test_i915_find_device() {
|
||||
let device = gpu::drm_i915::find_i915_device();
|
||||
assert!(device.is_some());
|
||||
let drm_version = device.unwrap().driver;
|
||||
assert_eq!(drm_version.name.to_str().unwrap(), "i915");
|
||||
assert_eq!(drm_version.desc.to_str().unwrap(), "Intel Graphics");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_drm_version() {
|
||||
let device = gpu::drm_i915::find_i915_device();
|
||||
assert!(device.is_some());
|
||||
let drm_version = device.unwrap().driver;
|
||||
assert_eq!(drm_version.name.to_str().unwrap(), "i915");
|
||||
assert_eq!(drm_version.desc.to_str().unwrap(), "Intel Graphics");
|
||||
let fd_null = File::open("/dev/null").expect("Failed to open /dev/null");
|
||||
assert!(gpu::drm_i915::Device::from_fd(OwnedFd::from(fd_null)).is_none());
|
||||
}
|
||||
|
||||
fn has_engine_class(engines: &Vec<gpu::drm_i915::Engine>, engine_class: uapi::DrmI915EngineClass) -> bool {
|
||||
engines.iter().filter(|engine| engine.info.engine.engine_class == engine_class).count() > 0
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i915_get_engines() {
|
||||
let device = gpu::drm_i915::find_i915_device().expect("Failed to find i915 device");
|
||||
let drm_version = &device.driver;
|
||||
assert_eq!(drm_version.name.to_str().unwrap(), "i915");
|
||||
assert_eq!(drm_version.desc.to_str().unwrap(), "Intel Graphics");
|
||||
let engines = device.get_engines().expect("Failed to get engines");
|
||||
assert!(engines.len() > 0);
|
||||
assert!(has_engine_class(&engines, uapi::DrmI915EngineClass::Render));
|
||||
assert!(has_engine_class(&engines, uapi::DrmI915EngineClass::Copy));
|
||||
assert!(has_engine_class(&engines, uapi::DrmI915EngineClass::Video));
|
||||
assert!(has_engine_class(&engines, uapi::DrmI915EngineClass::VideoEnhance));
|
||||
// Compute engine is not always present
|
||||
// assert!(has_engine_class(&engines, uapi::DrmI915EngineClass::Compute));
|
||||
}
|
||||
|
||||
fn get_vendor_for_fd(fd: RawFd) -> String{
|
||||
unsafe {
|
||||
let mut stat: libc::stat = std::mem::zeroed();
|
||||
libc::fstat(fd, &mut stat);
|
||||
let (major, minor) = (libc::major(stat.st_rdev),
|
||||
libc::minor(stat.st_rdev));
|
||||
let sysfs_path = format!("/sys/dev/char/{}:{}/device/device", major, minor);
|
||||
let sysfs_path = Path::new(&sysfs_path);
|
||||
let dev_id = std::fs::read_to_string(sysfs_path).expect("Unable to read device id");
|
||||
return dev_id.trim().to_string();
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i915_get_param() {
|
||||
let device = gpu::drm_i915::find_i915_device().expect("Failed to find i915 device");
|
||||
let drm_version = &device.driver;
|
||||
assert_eq!(drm_version.name.to_str().unwrap(), "i915");
|
||||
assert_eq!(drm_version.desc.to_str().unwrap(), "Intel Graphics");
|
||||
let chipset_id = device.get_param(native::I915_PARAM_CHIPSET_ID).expect("Failed to get param");
|
||||
let chip_id = format!("{:#04x}", chipset_id);
|
||||
let dev_id = get_vendor_for_fd(device.node.fd.as_raw_fd());
|
||||
assert_eq!(dev_id, chip_id);
|
||||
}
|
||||
@ -0,0 +1,66 @@
|
||||
use intel_gpu_uapi::*;
|
||||
use std::ffi::c_void;
|
||||
use std::ffi::CStr;
|
||||
use nix::{self};
|
||||
|
||||
#[test]
|
||||
fn test_drm_version_raw() {
|
||||
// TODO more robust render node detection
|
||||
let fd = nix::fcntl::open("/dev/dri/renderD129", nix::fcntl::OFlag::O_RDWR | nix::fcntl::OFlag::O_CLOEXEC, nix::sys::stat::Mode::empty())
|
||||
.expect("Failed to open /dev/dri/renderD129");
|
||||
unsafe {
|
||||
let name_vec = libc::malloc(128);
|
||||
let date_vec = libc::malloc(128);
|
||||
let desc_vec = libc::malloc(128);
|
||||
|
||||
let mut version = native::drm_version {
|
||||
version_major: 0,
|
||||
version_minor: 0,
|
||||
version_patchlevel: 0,
|
||||
name: name_vec as *mut i8,
|
||||
date: date_vec as *mut i8,
|
||||
desc: desc_vec as *mut i8,
|
||||
name_len: 128,
|
||||
date_len: 128,
|
||||
desc_len: 128,
|
||||
};
|
||||
assert!(libc::ioctl(fd, native::DRM_IOCTL_VERSION, &mut version) == 0);
|
||||
println!("version_major: {}, version_minor: {}, version_patchlevel: {}, name: {:?}, date: {:?}, desc: {:?}",
|
||||
version.version_major,
|
||||
version.version_minor,
|
||||
version.version_patchlevel,
|
||||
CStr::from_ptr(version.name),
|
||||
CStr::from_ptr(version.date),
|
||||
CStr::from_ptr(version.desc));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i915_query_raw() {
|
||||
let fd = nix::fcntl::open("/dev/dri/renderD129", nix::fcntl::OFlag::O_RDWR | nix::fcntl::OFlag::O_CLOEXEC, nix::sys::stat::Mode::empty())
|
||||
.expect("Failed to open /dev/dri/renderD129");
|
||||
unsafe {
|
||||
let mut query_item = native::drm_i915_query_item {
|
||||
query_id: native::DRM_I915_QUERY_ENGINE_INFO as u64,
|
||||
length: 0,
|
||||
data_ptr: core::ptr::null_mut::<c_void>() as u64,
|
||||
flags: 0,
|
||||
};
|
||||
let mut query = native::drm_i915_query {
|
||||
items_ptr: (&mut query_item) as *mut native::drm_i915_query_item as u64,
|
||||
num_items: 1,
|
||||
flags: 0,
|
||||
};
|
||||
assert!(libc::ioctl(fd, native::DRM_IOCTL_I915_QUERY, &mut query) == 0);
|
||||
let engine_info = libc::malloc(query_item.length as usize)
|
||||
as *mut native::drm_i915_query_engine_info;
|
||||
query_item.data_ptr = engine_info as u64;
|
||||
assert!(libc::ioctl(fd, native::DRM_IOCTL_I915_QUERY, &mut query) == 0);
|
||||
println!("engine_info: {:?}", *engine_info);
|
||||
let engine_data = engine_info.as_mut().unwrap();
|
||||
let engines = engine_data.engines.as_mut_slice(engine_data.num_engines as usize);
|
||||
for engine in engines {
|
||||
println!("engine: {:?}", engine);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,20 @@
|
||||
#![allow(unused_imports)]
|
||||
|
||||
use intel_gpu_uapi::*;
|
||||
use uapi::find_i915_node;
|
||||
use std::fs;
|
||||
use std::{fs::File, os::fd::AsRawFd};
|
||||
|
||||
#[test]
|
||||
fn test_drm_version() {
|
||||
let node = find_i915_node().expect("Failed to find i915 fd");
|
||||
let drm_version = uapi::get_drm_version(node.fd.as_raw_fd()).expect("Failed to get drm version");
|
||||
println!("{:?}", drm_version);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i915_get_engines() {
|
||||
let node = find_i915_node().expect("Failed to find i915 fd");
|
||||
let engines = uapi::get_engines(node.fd.as_raw_fd()).expect("Failed to get engines");
|
||||
println!("{:?}", engines);
|
||||
}
|
||||
Loading…
Reference in new issue