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https://chromium.googlesource.com/crosvm/crosvm
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e73414db48
This change primarily adds functionality to allow kvm features to be enabled on a vcpu (most of the current infra only supporst the ioctl for the vm fd). BUG=b:144746965 TEST=ran 'build_test' and verified that the added tests passed. Change-Id: I30c00b6f462377c21d477602ceba5853df953b37 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2055883 Tested-by: Matt Delco <delco@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Dmitry Torokhov <dtor@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org> Commit-Queue: Matt Delco <delco@chromium.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* Copyright 2020 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <errno.h>
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#include <linux/kvm.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "crosvm.h"
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int main(int argc, char** argv) {
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struct crosvm* crosvm = NULL;
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uint64_t cap_args[4] = {0};
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int ret = crosvm_connect(&crosvm);
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if (ret) {
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fprintf(stderr, "failed to connect to crosvm: %d\n", ret);
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return 1;
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}
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struct crosvm_vcpu* vcpu = NULL;
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ret = crosvm_get_vcpu(crosvm, 0, &vcpu);
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if (ret) {
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fprintf(stderr, "failed to get vcpu #0: %d\n", ret);
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return 1;
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}
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ret = crosvm_start(crosvm);
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if (ret) {
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fprintf(stderr, "failed to start vm: %d\n", ret);
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return 1;
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}
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struct crosvm_vcpu_event evt = {0};
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ret = crosvm_vcpu_wait(vcpu, &evt);
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if (ret) {
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fprintf(stderr, "failed to wait for vm start: %d\n", ret);
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return 1;
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}
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if (evt.kind != CROSVM_VCPU_EVENT_KIND_INIT) {
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fprintf(stderr, "Got unexpected exit type: %d\n", evt.kind);
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return 1;
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}
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ret = crosvm_enable_capability(crosvm, 0, 0, cap_args);
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if (ret != -EINVAL) {
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fprintf(stderr, "Unexpected crosvm_enable_capability result: %d\n",
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ret);
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return 1;
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}
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ret = crosvm_vcpu_enable_capability(vcpu, KVM_CAP_HYPERV_SYNIC, 0,
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cap_args);
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if (ret) {
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fprintf(stderr, "crosvm_vcpu_enable_capability() failed: %d\n", ret);
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return 1;
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}
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return 0;
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}
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