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use intel_gpu_uapi::*;
use std::ffi::c_void;
use std::ffi::CStr;
use nix::{self};
#[test]
fn test_raw_drm_version() {
// 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_raw_query() {
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);
}
}
}