From feb5cb5fa3b9706e24466e38ae049c8dfba08ecb Mon Sep 17 00:00:00 2001 From: Artemis Tosini Date: Fri, 19 Jul 2024 21:51:05 +0000 Subject: [PATCH] Check if vfio_ioctls works --- .envrc | 1 + .gitignore | 3 + Cargo.lock | 444 ++++++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 11 ++ flake.lock | 27 ++++ flake.nix | 36 +++++ src/main.rs | 31 ++++ 7 files changed, 553 insertions(+) create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 src/main.rs diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..3550a30 --- /dev/null +++ b/.envrc @@ -0,0 +1 @@ +use flake diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..6f8c84b --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +.direnv +target +result diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..9a868c0 --- /dev/null +++ b/Cargo.lock @@ -0,0 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--git a/flake.lock b/flake.lock new file mode 100644 index 0000000..aac9709 --- /dev/null +++ b/flake.lock @@ -0,0 +1,27 @@ +{ + "nodes": { + "nixpkgs": { + "locked": { + "lastModified": 1721403608, + "narHash": "sha256-X5+QA5K3J2KA20YEaBJ+GKDj/XIb5PutHmphgYQUszA=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "ad0111043c09f7d0f6b9f039882cbf350d4f7d49", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..1fc7860 --- /dev/null +++ b/flake.nix @@ -0,0 +1,36 @@ +{ + description = "Play with XHCI from within linux"; + + inputs.nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable"; + + outputs = + { self, nixpkgs }: + let + inherit (nixpkgs) lib; + forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed; + in + { + devShells = forAllSystems ( + system: + let + pkgs = nixpkgs.legacyPackages.${system}; + in + { + default = + with pkgs; + mkShell { + packages = [ + rustPackages.cargo + rustPackages.rustc + rustPackages.rustfmt + rustPackages.clippy + ]; + + RUST_SRC_PATH = "${rustPackages.rustPlatform.rustLibSrc}"; + }; + } + ); + + formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.nixfmt-rfc-style); + }; +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..cd6d7a6 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,31 @@ +use std::sync::Arc; + +use clap::Parser; +use vfio_ioctls::{VfioContainer, VfioDevice}; + +#[derive(Parser, Debug)] +struct Args { + /// Path of the PCIe device, e.g. /sys/bus/pci/devices/0000:02:00.0 + #[arg(short = 'd', long)] + device: std::path::PathBuf, + + /// Attempt to reset the device with sysfs + #[arg(short = 'r', long)] + reset: bool, +} + +fn main() -> eyre::Result<()> { + env_logger::init(); + let args = Args::parse(); + + let container = Arc::new(VfioContainer::new(())?); + let device = VfioDevice::new(&args.device, container.clone())?; + + if args.reset { + device.reset(); + } + + log::info!("max_interrupts: {}", device.()); + + Ok(()) +}