seabios.bin_file: Add new case for seabios

Add bin file check for seabios
Signed-off-by: Nybduan <yduan@redhat.com>

qemu/tests/cfg/seabios.cfg

 - seabios: install setup image_copy unattended_install.cdrom
     no Host_RHEL.m5
-    only i386, x86_64
-    type = seabios
     start_vm = no
-    restart_vm = no
-    kill_vm = yes
-    boot_menu = on
-    enable_sga = yes
-    image_verify_bootable = no
-    boot_menu_key = "f12"
-    Host_RHEL.m7:
-        boot_menu_key = "esc"
-    boot_menu_hint = "Press .*(F12|ESC) for boot menu"
-    # Specify the boot device name which you want to test here.
-    boot_device = "iPXE"
-    Host_RHEL.m6:
-        boot_device = "gPXE"
-    # SGA Bios info message, using sep as ";"
-    # Please update this message to suit for your own system.
-    restart_key = "ctrl-alt-delete"
-    Host_RHEL:
-        sgabios_info = "Google, Inc.\s"
-        sgabios_info += "Serial Graphics Adapter .*\s"
-        sgabios_info += "SGABIOS \$Id: sgabios.S .*\s"
-        sgabios_info += "\d \d\s"
+    variants:
+        - basic:
+            only i386, x86_64
+            type = seabios
+            restart_vm = no
+            kill_vm = yes
+            boot_menu = on
+            enable_sga = yes
+            image_verify_bootable = no
+            boot_menu_key = "f12"
+            Host_RHEL.m7:
+                boot_menu_key = "esc"
+            boot_menu_hint = "Press .*(F12|ESC) for boot menu"
+            # Specify the boot device name which you want to test here.
+            boot_device = "iPXE"
+            Host_RHEL.m6:
+                boot_device = "gPXE"
+            # SGA Bios info message, using sep as ";"
+            # Please update this message to suit for your own system.
+            restart_key = "ctrl-alt-delete"
+            Host_RHEL:
+                sgabios_info = "Google, Inc.\s"
+                sgabios_info += "Serial Graphics Adapter .*\s"
+                sgabios_info += "SGABIOS \$Id: sgabios.S .*\s"
+                sgabios_info += "\d \d\s"
+        - bin_file:
+            type = seabios_bin
+            machine_type_remove = "Supported none pc q35"

qemu/tests/seabios_bin.py

+import logging
+
+from virttest import error_context
+from virttest import env_process
+from virttest import utils_misc
+
+from avocado.utils import process
+
+
+@error_context.context_aware
+def run(test, params, env):
+    """
+    KVM Seabios bin file test:
+    1) Get available bin files
+    2) Get supported machine types
+    3) Check bin file in use
+
+    :param test: QEMU test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment.
+    """
+
+    bin_dict = {'rhel6': 'bios.bin', 'rhel7': 'bios-256k.bin'}
+
+    error_context.context("Get available bin files", logging.info)
+    output = process.system_output('ls /usr/share/seabios', shell=True).decode()
+    for value in bin_dict.values():
+        if value not in output:
+            test.fail("%s is not available" % value)
+
+    error_context.context("Get supported machine types", logging.info)
+    qemu_binary = utils_misc.get_qemu_binary(params)
+    machine_type_cmd = qemu_binary + " -machine help | awk '{ print $1 }'"
+    output = process.system_output(machine_type_cmd, shell=True).decode()
+    machine_types = output.splitlines()
+    machine_type_remove = params['machine_type_remove'].split()
+    for i in machine_type_remove:
+        machine_types.remove(i)
+    logging.info(machine_types)
+
+    for machine in machine_types:
+        error_context.context("Check bin file with machine type: %s" % machine,
+                              logging.info)
+        for key in bin_dict:
+            if key in machine:
+                bin_file = bin_dict[key]
+                break
+        else:
+            test.error("Uncertain which bin file in use for machine type: %s"
+                       % machine)
+
+        params['machine_type'] = machine
+        params['start_vm'] = 'yes'
+        env_process.preprocess_vm(test, params, env, params.get("main_vm"))
+        vm = env.get_vm(params["main_vm"])
+        info_roms = vm.monitor.info("roms")
+        if bin_file not in info_roms:
+            test.fail("Checking bin file fails with %s, info roms: %s"
+                      % (machine, info_roms))
+        vm.destroy()