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Fix known TDX issues

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This commit is contained in:
Hsy-Intel
2024-07-09 10:34:59 +08:00
committed by Tate, Hongliang Tian
parent d43fbd88ba
commit b73412c2ff
3 changed files with 15 additions and 14 deletions
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3
Makefile
View File

@ -53,6 +53,7 @@ CARGO_OSDK_ARGS += --release
endif
ifeq ($(INTEL_TDX), 1)
BOOT_METHOD = grub-qcow2
BOOT_PROTOCOL = linux-efi-handover64
CARGO_OSDK_ARGS += --scheme tdx
CARGO_OSDK_ARGS += --features intel_tdx
@ -77,7 +78,7 @@ CARGO_OSDK_ARGS += --grub-boot-protocol=$(BOOT_PROTOCOL)
endif
ifeq ($(ENABLE_KVM), 1)
CARGO_OSDK_ARGS += --qemu-args="--enable-kvm"
CARGO_OSDK_ARGS += --qemu-args="-accel kvm"
endif
# Pass make variables to all subdirectory makes

20
OSDK.toml
View File

@ -46,10 +46,8 @@ qemu.args = "$(./tools/qemu_args.sh iommu)"
supported_archs = ["x86_64"]
build.features = ["intel_tdx"]
boot.method = "grub-qcow2"
grub.mkrescue_path = "~/tdx-tools/grub"
grub.protocol = "linux"
qemu.args = """\
-accel kvm \
-name process=tdxvm,debug-threads=on \
-m ${MEM:-8G} \
-smp ${SMP:-1} \
@ -58,18 +56,18 @@ qemu.args = """\
-monitor pty \
-no-hpet \
-nodefaults \
-monitor telnet:127.0.0.1:9003,server,nowait \
-object tdx-guest,sept-ve-disable,id=tdx,quote-generation-service=vsock:2:4050 \
-cpu host,-kvm-steal-time,pmu=off,tsc-freq=1000000000 \
-machine q35,kernel_irqchip=split,confidential-guest-support=tdx \
-device virtio-net-pci,netdev=mynet0,disable-legacy=on,disable-modern=off \
-bios /usr/share/qemu/OVMF.fd \
-object tdx-guest,sept-ve-disable=on,id=tdx,quote-generation-service=vsock:2:4050 \
-cpu host,-kvm-steal-time,pmu=off \
-machine q35,kernel_irqchip=split,confidential-guest-support=tdx,memory-backend=ram1 \
-object memory-backend-memfd-private,id=ram1,size=${MEM:-8G} \
-device virtio-net-pci,netdev=mynet0 \
-device virtio-keyboard-pci,disable-legacy=on,disable-modern=off \
-device virtio-blk-pci,bus=pcie.0,addr=0x6,drive=x0,disable-legacy=on,disable-modern=off \
-drive file=fs.img,if=none,format=raw,id=x0 \
-netdev user,id=mynet0,hostfwd=tcp::10027-:22,hostfwd=tcp::54136-:8090 \
-chardev stdio,id=mux,mux=on,logfile=./$(date '+%Y-%m-%dT%H%M%S').log \
-netdev user,id=mynet0,hostfwd=tcp::10027-:22 \
-chardev stdio,id=mux,mux=on,logfile=qemu.log \
-device virtio-serial,romfile= \
-device virtconsole,chardev=mux \
-device isa-debug-exit,iobase=0xf4,iosize=0x04 \
-monitor chardev:mux \
-serial chardev:mux \
"""

6
kernel/aster-nix/src/device/tdxguest/mod.rs
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: MPL-2.0
use aster_frame::mm::{DmaCoherent, FrameAllocOptions, HasPaddr, VmIo};
use ostd::mm::{DmaCoherent, FrameAllocOptions, HasPaddr, VmIo};
use tdx_guest::tdcall::{get_report, TdCallError};
use super::*;
@ -53,6 +53,7 @@ impl From<TdCallError> for Error {
Error::with_message(Errno::EBUSY, "TdCallError::TdxOperandBusy")
}
TdCallError::Other => Error::with_message(Errno::EAGAIN, "TdCallError::Other"),
_ => todo!(),
}
}
}
@ -110,6 +111,7 @@ fn handle_get_report(arg: usize) -> Result<i32> {
dma_coherent
.read_bytes(1024, &mut generated_report)
.unwrap();
write_bytes_to_user(tdx_report_vaddr, &generated_report)?;
let report_slice: &[u8] = &generated_report;
write_bytes_to_user(tdx_report_vaddr, &mut VmReader::from(report_slice))?;
Ok(0)
}