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Diffstat (limited to 'tests/plugin_supported_cpuid.c')
-rw-r--r--tests/plugin_supported_cpuid.c96
1 files changed, 68 insertions, 28 deletions
diff --git a/tests/plugin_supported_cpuid.c b/tests/plugin_supported_cpuid.c
index 0acb134..7109ff3 100644
--- a/tests/plugin_supported_cpuid.c
+++ b/tests/plugin_supported_cpuid.c
@@ -12,56 +12,96 @@
 
 #include "crosvm.h"
 
-int main(int argc, char** argv) {
-    struct crosvm *crosvm;
-    int ret = crosvm_connect(&crosvm);
-    if (ret) {
-        fprintf(stderr, "failed to connect to crosvm: %d\n", ret);
-        return 1;
-    }
+typedef int (*crosvm_function)(struct crosvm*, uint32_t,
+                               struct kvm_cpuid_entry2*, uint32_t*);
+typedef int (*vcpu_function)(struct crosvm_vcpu*, uint32_t,
+                             struct kvm_cpuid_entry2*, uint32_t*);
+
+// Members of union should only differ by the pointer type of 1st arg.
+union cpuid_function {
+    crosvm_function crosvm;
+    vcpu_function vcpu;
+};
 
+int test_cpuid(void* crosvm, union cpuid_function funct, const char* name) {
     struct kvm_cpuid_entry2 cpuids[100];
-    int n_entries;
-    ret = crosvm_get_supported_cpuid(crosvm, 1, cpuids, &n_entries);
+    int n_entries = 0;
+    int ret = funct.crosvm(crosvm, 1, cpuids, &n_entries);
     if (ret >= 0) {
         fprintf(stderr,
-                "expected crosvm_get_supported_cpuids to fail with E2BIG\n");
-        return 1;
+                "expected %s to fail with E2BIG\n", name);
+        return ret;
     }
 
-    ret = crosvm_get_supported_cpuid(crosvm, 100, cpuids, &n_entries);
+    ret = funct.crosvm(crosvm, 100, cpuids, &n_entries);
     if (ret < 0) {
-        fprintf(stderr,
-                "unexpected failure of crosvm_get_supported_cpuids: %d\n", ret);
-        return 1;
+        if (ret != -EINVAL) {
+            fprintf(stderr, "unexpected failure of %s: %d\n", name, ret);
+        } else {
+            fprintf(stderr,
+                    "Query of %s failed with EINVAL (may be expected)\n",
+                    name, ret);
+        }
+        return ret;
     }
 
     if (n_entries <= 1) {
         fprintf(stderr,
-                "unexpected number of supported cpuid entries: %d\n",
-                n_entries);
+                "unexpected number of cpuid entries from %s: %d\n",
+                name, n_entries);
         return 1;
     }
+    return 0;
+}
 
-    ret = crosvm_get_emulated_cpuid(crosvm, 1, cpuids, &n_entries);
-    if (ret >= 0) {
-        fprintf(stderr,
-                "expected crosvm_get_emulated_cpuids to fail with E2BIG\n");
+int main(int argc, char** argv) {
+    struct crosvm* crosvm = NULL;
+    int ret = crosvm_connect(&crosvm);
+    if (ret) {
+        fprintf(stderr, "failed to connect to crosvm: %d\n", ret);
         return 1;
     }
 
-    ret = crosvm_get_emulated_cpuid(crosvm, 100, cpuids, &n_entries);
-    if (ret < 0) {
-        fprintf(stderr,
-                "unexpected failure of crosvm_get_emulated_cpuid: %d\n", ret);
+    struct crosvm_vcpu* vcpu = NULL;
+    ret = crosvm_get_vcpu(crosvm, 0, &vcpu);
+    if (ret) {
+        fprintf(stderr, "failed to get vcpu #0: %d\n", ret);
         return 1;
     }
 
-    if (n_entries < 1) {
-        fprintf(stderr,
-                "unexpected number of emulated cpuid entries: %d\n", n_entries);
+    union cpuid_function funct;
+    funct.crosvm = crosvm_get_supported_cpuid;
+    if (test_cpuid(crosvm, funct, "crosvm_get_supported_cpuid")) {
+        return 1;
+    }
+    funct.crosvm = crosvm_get_emulated_cpuid;
+    if (test_cpuid(crosvm, funct, "crosvm_get_emulated_cpuid")) {
+        return 1;
+    }
+
+    ret = crosvm_start(crosvm);
+    if (ret) {
+        fprintf(stderr, "failed to start vm: %d\n", ret);
         return 1;
     }
 
+    struct crosvm_vcpu_event evt = {0};
+    ret = crosvm_vcpu_wait(vcpu, &evt);
+    if (ret) {
+        fprintf(stderr, "failed to wait for vm start: %d\n", ret);
+        return 1;
+    }
+    if (evt.kind != CROSVM_VCPU_EVENT_KIND_INIT) {
+        fprintf(stderr, "Got unexpected exit type: %d\n", evt.kind);
+        return 1;
+    }
+
+    funct.vcpu = crosvm_get_hyperv_cpuid;
+    ret = test_cpuid(vcpu, funct, "crosvm_get_hyperv_cpuid");
+    // Older kernels don't support and return EINVAL, so allow this for now.
+    if (ret && ret != -EINVAL) {
+        fprintf(stderr, "Ignoring failure of crosvm_get_hyperv_cpuid\n");
+        return 1;
+    }
     return 0;
 }