1#!/usr/bin/env bash 2# Copyright 2022 The ChromiumOS Authors 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6# Regenerate vfio_sys bindgen bindings. 7 8set -euo pipefail 9cd "$(dirname "${BASH_SOURCE[0]}")/.." 10 11source tools/impl/bindgen-common.sh 12 13# VFIO_TYPE is translated as a u8 since it is a char constant, but it needs to be u32 for use in 14# ioctl macros. 15fix_vfio_type() { 16 sed -E -e 's/^pub const VFIO_TYPE: u8 = (.*)u8;/pub const VFIO_TYPE: u32 = \1;/' 17} 18 19VFIO_EXTRA="// Added by vfio_sys/bindgen.sh 20use zerocopy::FromBytes; 21use zerocopy::Immutable; 22use zerocopy::IntoBytes; 23use zerocopy::KnownLayout; 24 25// TODO(b/292077398): Upstream or remove ACPI notification forwarding support 26pub const VFIO_PCI_ACPI_NTFY_IRQ_INDEX: std::os::raw::c_uint = 5; 27 28#[repr(C)] 29#[derive(Debug, Default)] 30pub struct vfio_acpi_dsm { 31 pub argsz: u32, 32 pub padding: u32, 33 pub args: __IncompleteArrayField<u8>, 34} 35 36#[repr(C)] 37#[derive(Debug, Default, Copy, Clone)] 38pub struct vfio_acpi_notify_eventfd { 39 pub notify_eventfd: i32, 40 pub reserved: u32, 41} 42 43#[repr(C)] 44#[derive(Debug, Default)] 45pub struct vfio_region_info_with_cap { 46 pub region_info: vfio_region_info, 47 pub cap_info: __IncompleteArrayField<u8>, 48} 49 50// vfio_iommu_type1_info_cap_iova_range minus the incomplete iova_ranges 51// array, so that zerocopy traits can be implemented. 52#[repr(C)] 53#[derive(Debug, Default, Copy, Clone, FromBytes, Immutable, IntoBytes, KnownLayout)] 54pub struct vfio_iommu_type1_info_cap_iova_range_header { 55 pub header: vfio_info_cap_header, 56 pub nr_iovas: u32, 57 pub reserved: u32, 58} 59 60// Experimental Android uABI 61pub const VFIO_PKVM_PVIOMMU: u32 = 11;" 62 63bindgen_generate \ 64 --raw-line "${VFIO_EXTRA}" \ 65 --allowlist-var='VFIO_.*' \ 66 --blocklist-item='VFIO_DEVICE_API_.*_STRING' \ 67 --allowlist-type='vfio_.*' \ 68 --with-derive-custom "vfio_info_cap_header=FromBytes,Immutable,IntoBytes,KnownLayout" \ 69 --with-derive-custom "vfio_iova_range=FromBytes,Immutable,IntoBytes,KnownLayout" \ 70 "${BINDGEN_LINUX}/include/uapi/linux/vfio.h" \ 71 -- \ 72 -D__user= \ 73 | replace_linux_int_types | fix_vfio_type \ 74 > vfio_sys/src/vfio.rs 75