qemu.tests: Add boot_cpu_model test cases

1). boot guest with cpu_model in the cluster one by one
2). check flags in guest if flag check is required, otherwise shutdown guest

Change from v1:
use cpu_model_%s instead of intel_model/amd_model
Signed-off-by: NSuqin Huang <shuang@redhat.com>
Acked-by: NFeng Yang <fyang@redhat.com>

qemu/tests/boot_cpu_model.py

+import logging
+from autotest.client.shared import error, utils
+from virttest import env_process, utils_misc, utils_test
+
+@error.context_aware
+def run_boot_cpu_model(test, params, env):
+    """
+    boot cpu model test:
+    steps:
+    1). boot guest with cpu model
+    2). check flags if enable_check == "yes", otherwise shutdown guest
+
+    @param test: QEMU test object
+    @param params: Dictionary with the test parameters
+
+    """
+    host_flags = utils_misc.get_cpu_flags()
+    cpu_vendor = utils_misc.get_cpu_vendor(host_flags)
+    host_model = utils_misc.get_cpu_model()
+
+    model_list = params.get("cpu_model")
+    if not model_list:
+        if cpu_vendor == "unknow":
+            raise error.TestError("unknow cpu vendor")
+        else:
+            model_list = params.get("cpu_model_%s" % cpu_vendor,
+                                       host_model.split(",")[-1])
+
+    if model_list:
+        model_list = model_list.split(" ")
+        for model in model_list:
+            if model in host_model or model == "host":
+                params["cpu_model"] = model
+                params["start_vm"] = "yes"
+                env_process.preprocess_vm(test, params, env, params["main_vm"])
+                # check guest flags
+                if params.get("enable_check", "no") == "yes":
+                    utils_test.run_virt_sub_test(test, params,
+                                                 env, sub_type="flag_check")
+                else:
+                    # log in and shutdown guest
+                    utils_test.run_virt_sub_test(test, params,
+                                                   env, sub_type="shutdown")
+                    logging.info("shutdown guest successfully")
+            else:
+                if params.get("enable_check", "no") == "yes":
+                    raise error.TestWarn("Can not test %s model on %s host, pls"
+                    " use %s host" % (model, host_model.split(",")[0], model))

qemu/tests/cfg/boot_cpu_model.cfg

+- boot_cpu_model:
+    virt_test_type = qemu
+    type = "boot_cpu_model"
+    auto_cpu_model = "no"
+    start_vm = "no"
+    cpu_model = ""
+    shutdown_method = "shell"
+    variants:
+        - cpu_host:
+            cpu_model = "host"
+        - model_cluster:
+            cpu_model_GenuineIntel = "Haswell SandyBridge Westmere Nehalem Penryn Conroe"
+            cpu_model_AuthenticAMD = "Opteron_G5 Opteron_G4 Opteron_G3 Opteron_G2 Opteron_G1"
+        - check_flag:
+            # this case work on other guest as well
+            # but some flags is not recognized by old kernel
+            # test only on one guest is acceptable for flag check
+            only RHEL.6
+            # option_flags are generated by kernel or kvm
+            option_flags = "rep_good unfair_spinlock extd_apicid hypervisor"
+            # out_flags are flags not in guest
+            # dont support rdtscp because bug 814426
+            # dont support svm|vmx according to bug 869991#c2
+            out_flags = "rdtscp svm vmx"
+            dump_file = "shared/deps/cpuid_dump.txt"
+            # use dump_path when you download dump_file from internet
+            # dump_path = "/tmp"
+            reg_list = "feature_edx feature_ecx extfeature_edx extfeature_ecx cpuid_7_0_feature_ebx"
+            enable_check = "yes"
+            variants:
+                - disable_tsc_deadline:
+                    cpu_model = "SandyBridge"
+                    cpu_model_flags = ",-tsc-deadline"
+                - enabled_tsc_deadline:
+                    cpu_model = "Westmere"
+                    cpu_model_flags = ",+tsc-deadline"
+                - disable_tsc_deadline_with_m6.3:
+                    cpu_model = "SandyBridge"
+                    machine_type = "rhel6.3.0"
+                    #tsc-deadline is not exposed to guest with -M rhel6.3.0
+                    out_flags += " tsc-deadline"
+                - add_flag:
+                    cpu_model_GenuineIntel = "Westmere"
+                    cpu_model_AuthenticAMD = "Opteron_G2"
+                    cpu_model_flags = ",+xsave,+sse4a,+aes,+sep,+sse4.2"
+                - remove_flag:
+                    cpu_model_GenuineIntel = "SandyBridge"
+                    cpu_model_AuthenticAMD = "Opteron_G3"
+                    cpu_model_flags = ",-sse4a,-xsave,-aes,-sse4.2"
+                - cpuid_7_0_ebx_feature:
+                    cpu_model_flags = ",+fsgsbase"
+                    cpu_model = "SandyBridge"
+                - cpu_host:
+                    cpu_model = "host"