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https://chromium.googlesource.com/crosvm/crosvm
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9786573e07
This plumbs calls to KVM_GET_SUPPORTED_CPUID and KVM_GET_EMULATED_CPUID to be available to plugins. TEST=cargo test --features plugin; cargo test -p kvm BUG=chromium:800626 Change-Id: I98879599b5f970c6c2720772658689a505d8abe1 Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/938674 Reviewed-by: Zach Reizner <zachr@chromium.org>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* Copyright 2018 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 <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;
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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 kvm_cpuid_entry2 cpuids[100];
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int n_entries;
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ret = crosvm_get_supported_cpuid(crosvm, 1, cpuids, &n_entries);
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if (ret >= 0) {
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fprintf(stderr,
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"expected crosvm_get_supported_cpuids to fail with E2BIG\n");
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return 1;
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}
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ret = crosvm_get_supported_cpuid(crosvm, 100, cpuids, &n_entries);
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if (ret < 0) {
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fprintf(stderr,
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"unexpected failure of crosvm_get_supported_cpuids: %d\n", ret);
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return 1;
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}
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if (n_entries <= 1) {
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fprintf(stderr,
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"unexpected number of supported cpuid entries: %d\n",
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n_entries);
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return 1;
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}
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ret = crosvm_get_emulated_cpuid(crosvm, 1, cpuids, &n_entries);
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if (ret >= 0) {
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fprintf(stderr,
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"expected crosvm_get_emulated_cpuids to fail with E2BIG\n");
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return 1;
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}
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ret = crosvm_get_emulated_cpuid(crosvm, 100, cpuids, &n_entries);
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if (ret < 0) {
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fprintf(stderr,
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"unexpected failure of crosvm_get_emulated_cpuid: %d\n", ret);
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return 1;
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}
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if (n_entries < 1) {
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fprintf(stderr,
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"unexpected number of emulated cpuid entries: %d\n", n_entries);
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return 1;
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}
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return 0;
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}
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