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Major on-glass progress on the RTX box. The all-Rust wdk-sys IddCx driver now LOADS under Secure Boot and runs the ENTIRE init chain: DriverEntry -> WdfDriverCreate -> driver_add -> IddCxDeviceInitConfig(0x0) -> WdfDeviceCreate -> CreateDeviceInterface -> IddCxDeviceInitialize -> D0Entry -> init_adapter. Findings: - Signing was a RED HERRING (the driver loads); std works in WUDFHost (DualSense uses it too). - THE unblock: link the iddcx **1.10** IddCxStub (build.rs now picks the highest version-aware), not 1.0 — the 1.0 stub lacks the version-table symbols AND its dispatch table mismatched the 1.10 framework, which made IddCxDeviceInitConfig return INVALID_PARAMETER. With 1.10 the whole chain runs. - Added a file/OutputDebugString logger (log.rs, matches the DualSense driver) — the driver was silent; this is how the chain was traced. - size.rs: framework_struct_size() reads the frameworks authoritative struct sizes from IddStructures[] (the config keeps size_of=208, validated working). - adapter.rs: version ptrs + ObjectAttributes(InheritFromParent) + FP16 + framework caps/diag/version sizes — matches the oracle. KNOWN WIP: IddCxAdapterInitAsync still returns INVALID_PARAMETER though caps match the framework size table (88/56/24) + the oracle exactly — likely a subtle wdk-sys bindgen field-layout detail in IDDCX_ADAPTER_CAPS/IDDCX_ENDPOINT_DIAGNOSTIC_INFO. CI gate (compile+link) stays green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
53 lines
2.3 KiB
Rust
53 lines
2.3 KiB
Rust
//! WDK link flags for the cdylib (wdk-build) + `IddCxStub` (the driver calls IddCx DDIs via wdk-iddcx,
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//! and exports `IddMinimumVersionRequired`). `/INTEGRITYCHECK` (set by wdk-build) is cleared by the CI
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//! packaging step. Glob recipe matches wdk-probe/build.rs.
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fn main() -> Result<(), wdk_build::ConfigError> {
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wdk_build::configure_wdk_binary_build()?;
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link_iddcx_stub();
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Ok(())
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}
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/// Link `IddCxStub.lib`. It ships under `Lib\<sdkver>\um\<arch>\iddcx\<iddcxver>\`, and the iddcx
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/// versions are NOT equivalent: the `1.0`/`1.2` stubs lack the versioned-struct-size table symbols
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/// (`IddStructures`/`IddStructureCount`/`IddClientVersionHigherThanFramework`) that `size.rs` needs —
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/// `1.3`+ and `1.10` have them. So pick the HIGHEST `iddcx\<X.Y>` dir that has the lib (version-aware,
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/// since "1.10" < "1.2" lexically). x64 only.
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fn link_iddcx_stub() {
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const ARCH: &str = "x64";
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const ROOTS: [&str; 2] = [
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r"C:\Program Files (x86)\Windows Kits\10\Lib",
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r"C:\Program Files\Windows Kits\10\Lib",
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];
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let mut best: Option<((u32, u32), std::path::PathBuf)> = None;
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for root in ROOTS {
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let Ok(versions) = std::fs::read_dir(root) else {
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continue;
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};
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for ver in versions.flatten() {
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let iddcx = ver.path().join("um").join(ARCH).join("iddcx");
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let Ok(subdirs) = std::fs::read_dir(&iddcx) else {
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continue;
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};
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for sub in subdirs.flatten() {
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if !sub.path().join("IddCxStub.lib").is_file() {
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continue;
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}
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let name = sub.file_name().to_string_lossy().into_owned();
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let mut parts = name.split('.');
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let v = (
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parts.next().and_then(|x| x.parse().ok()).unwrap_or(0u32),
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parts.next().and_then(|x| x.parse().ok()).unwrap_or(0u32),
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);
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if best.as_ref().is_none_or(|(bv, _)| v > *bv) {
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best = Some((v, sub.path()));
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}
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}
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}
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}
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let Some((_, dir)) = best else {
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panic!("IddCxStub.lib not found under any Windows Kits Lib\\<ver>\\um\\{ARCH}\\iddcx\\<iddcxver>\\");
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};
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println!("cargo:rustc-link-search={}", dir.display());
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println!("cargo:rustc-link-lib=static=IddCxStub");
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}
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