tests/avocado/x86_cpu_model_versions.py

   1 #
   2 # Basic validation of x86 versioned CPU models and CPU model aliases
   3 #
   4 #  Copyright (c) 2019 Red Hat Inc
   5 #
   6 # Author:
   7 #  Eduardo Habkost <ehabkost@redhat.com>
   8 #
   9 # This library is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU Lesser General Public
  11 # License as published by the Free Software Foundation; either
  12 # version 2.1 of the License, or (at your option) any later version.
  13 #
  14 # This library is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 # Lesser General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU Lesser General Public
  20 # License along with this library; if not, see <http://www.gnu.org/licenses/>.
  21 #
  22
  23
  24 import avocado_qemu
  25 import re
  26
  27 class X86CPUModelAliases(avocado_qemu.QemuSystemTest):
  28     """
  29     Validation of PC CPU model versions and CPU model aliases
  30
  31     :avocado: tags=arch:x86_64
  32     """
  33     def validate_aliases(self, cpus):
  34         for c in cpus.values():
  35             if 'alias-of' in c:
  36                 # all aliases must point to a valid CPU model name:
  37                 self.assertIn(c['alias-of'], cpus,
  38                               '%s.alias-of (%s) is not a valid CPU model name' % (c['name'], c['alias-of']))
  39                 # aliases must not point to aliases
  40                 self.assertNotIn('alias-of', cpus[c['alias-of']],
  41                                  '%s.alias-of (%s) points to another alias' % (c['name'], c['alias-of']))
  42
  43                 # aliases must not be static
  44                 self.assertFalse(c['static'])
  45
  46     def validate_variant_aliases(self, cpus):
  47         # -noTSX, -IBRS and -IBPB variants of CPU models are special:
  48         # they shouldn't have their own versions:
  49         self.assertNotIn("Haswell-noTSX-v1", cpus,
  50                          "Haswell-noTSX shouldn't be versioned")
  51         self.assertNotIn("Broadwell-noTSX-v1", cpus,
  52                          "Broadwell-noTSX shouldn't be versioned")
  53         self.assertNotIn("Nehalem-IBRS-v1", cpus,
  54                          "Nehalem-IBRS shouldn't be versioned")
  55         self.assertNotIn("Westmere-IBRS-v1", cpus,
  56                          "Westmere-IBRS shouldn't be versioned")
  57         self.assertNotIn("SandyBridge-IBRS-v1", cpus,
  58                          "SandyBridge-IBRS shouldn't be versioned")
  59         self.assertNotIn("IvyBridge-IBRS-v1", cpus,
  60                          "IvyBridge-IBRS shouldn't be versioned")
  61         self.assertNotIn("Haswell-noTSX-IBRS-v1", cpus,
  62                          "Haswell-noTSX-IBRS shouldn't be versioned")
  63         self.assertNotIn("Haswell-IBRS-v1", cpus,
  64                          "Haswell-IBRS shouldn't be versioned")
  65         self.assertNotIn("Broadwell-noTSX-IBRS-v1", cpus,
  66                          "Broadwell-noTSX-IBRS shouldn't be versioned")
  67         self.assertNotIn("Broadwell-IBRS-v1", cpus,
  68                          "Broadwell-IBRS shouldn't be versioned")
  69         self.assertNotIn("Skylake-Client-IBRS-v1", cpus,
  70                          "Skylake-Client-IBRS shouldn't be versioned")
  71         self.assertNotIn("Skylake-Server-IBRS-v1", cpus,
  72                          "Skylake-Server-IBRS shouldn't be versioned")
  73         self.assertNotIn("EPYC-IBPB-v1", cpus,
  74                          "EPYC-IBPB shouldn't be versioned")
  75
  76     def test_4_0_alias_compatibility(self):
  77         """
  78         Check if pc-*-4.0 unversioned CPU model won't be reported as aliases
  79
  80         :avocado: tags=machine:pc-i440fx-4.0
  81         """
  82         # pc-*-4.0 won't expose non-versioned CPU models as aliases
  83         # We do this to help management software to keep compatibility
  84         # with older QEMU versions that didn't have the versioned CPU model
  85         self.vm.add_args('-S')
  86         self.vm.launch()
  87         cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions'))
  88
  89         self.assertFalse(cpus['Cascadelake-Server']['static'],
  90                          'unversioned Cascadelake-Server CPU model must not be static')
  91         self.assertNotIn('alias-of', cpus['Cascadelake-Server'],
  92                          'Cascadelake-Server must not be an alias')
  93         self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'],
  94                          'Cascadelake-Server-v1 must not be an alias')
  95
  96         self.assertFalse(cpus['qemu64']['static'],
  97                          'unversioned qemu64 CPU model must not be static')
  98         self.assertNotIn('alias-of', cpus['qemu64'],
  99                          'qemu64 must not be an alias')
 100         self.assertNotIn('alias-of', cpus['qemu64-v1'],
 101                          'qemu64-v1 must not be an alias')
 102
 103         self.validate_variant_aliases(cpus)
 104
 105         # On pc-*-4.0, no CPU model should be reported as an alias:
 106         for name,c in cpus.items():
 107             self.assertNotIn('alias-of', c, "%s shouldn't be an alias" % (name))
 108
 109     def test_4_1_alias(self):
 110         """
 111         Check if unversioned CPU model is an alias pointing to right version
 112
 113         :avocado: tags=machine:pc-i440fx-4.1
 114         """
 115         self.vm.add_args('-S')
 116         self.vm.launch()
 117
 118         cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions'))
 119
 120         self.assertFalse(cpus['Cascadelake-Server']['static'],
 121                          'unversioned Cascadelake-Server CPU model must not be static')
 122         self.assertEquals(cpus['Cascadelake-Server'].get('alias-of'), 'Cascadelake-Server-v1',
 123                           'Cascadelake-Server must be an alias of Cascadelake-Server-v1')
 124         self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'],
 125                          'Cascadelake-Server-v1 must not be an alias')
 126
 127         self.assertFalse(cpus['qemu64']['static'],
 128                          'unversioned qemu64 CPU model must not be static')
 129         self.assertEquals(cpus['qemu64'].get('alias-of'), 'qemu64-v1',
 130                           'qemu64 must be an alias of qemu64-v1')
 131         self.assertNotIn('alias-of', cpus['qemu64-v1'],
 132                          'qemu64-v1 must not be an alias')
 133
 134         self.validate_variant_aliases(cpus)
 135
 136         # On pc-*-4.1, -noTSX and -IBRS models should be aliases:
 137         self.assertEquals(cpus["Haswell"].get('alias-of'),
 138                           "Haswell-v1",
 139                          "Haswell must be an alias")
 140         self.assertEquals(cpus["Haswell-noTSX"].get('alias-of'),
 141                           "Haswell-v2",
 142                          "Haswell-noTSX must be an alias")
 143         self.assertEquals(cpus["Haswell-IBRS"].get('alias-of'),
 144                           "Haswell-v3",
 145                          "Haswell-IBRS must be an alias")
 146         self.assertEquals(cpus["Haswell-noTSX-IBRS"].get('alias-of'),
 147                           "Haswell-v4",
 148                          "Haswell-noTSX-IBRS must be an alias")
 149
 150         self.assertEquals(cpus["Broadwell"].get('alias-of'),
 151                           "Broadwell-v1",
 152                          "Broadwell must be an alias")
 153         self.assertEquals(cpus["Broadwell-noTSX"].get('alias-of'),
 154                           "Broadwell-v2",
 155                          "Broadwell-noTSX must be an alias")
 156         self.assertEquals(cpus["Broadwell-IBRS"].get('alias-of'),
 157                           "Broadwell-v3",
 158                          "Broadwell-IBRS must be an alias")
 159         self.assertEquals(cpus["Broadwell-noTSX-IBRS"].get('alias-of'),
 160                           "Broadwell-v4",
 161                          "Broadwell-noTSX-IBRS must be an alias")
 162
 163         self.assertEquals(cpus["Nehalem"].get('alias-of'),
 164                           "Nehalem-v1",
 165                          "Nehalem must be an alias")
 166         self.assertEquals(cpus["Nehalem-IBRS"].get('alias-of'),
 167                           "Nehalem-v2",
 168                          "Nehalem-IBRS must be an alias")
 169
 170         self.assertEquals(cpus["Westmere"].get('alias-of'),
 171                           "Westmere-v1",
 172                          "Westmere must be an alias")
 173         self.assertEquals(cpus["Westmere-IBRS"].get('alias-of'),
 174                           "Westmere-v2",
 175                          "Westmere-IBRS must be an alias")
 176
 177         self.assertEquals(cpus["SandyBridge"].get('alias-of'),
 178                           "SandyBridge-v1",
 179                          "SandyBridge must be an alias")
 180         self.assertEquals(cpus["SandyBridge-IBRS"].get('alias-of'),
 181                           "SandyBridge-v2",
 182                          "SandyBridge-IBRS must be an alias")
 183
 184         self.assertEquals(cpus["IvyBridge"].get('alias-of'),
 185                           "IvyBridge-v1",
 186                          "IvyBridge must be an alias")
 187         self.assertEquals(cpus["IvyBridge-IBRS"].get('alias-of'),
 188                           "IvyBridge-v2",
 189                          "IvyBridge-IBRS must be an alias")
 190
 191         self.assertEquals(cpus["Skylake-Client"].get('alias-of'),
 192                           "Skylake-Client-v1",
 193                          "Skylake-Client must be an alias")
 194         self.assertEquals(cpus["Skylake-Client-IBRS"].get('alias-of'),
 195                           "Skylake-Client-v2",
 196                          "Skylake-Client-IBRS must be an alias")
 197
 198         self.assertEquals(cpus["Skylake-Server"].get('alias-of'),
 199                           "Skylake-Server-v1",
 200                          "Skylake-Server must be an alias")
 201         self.assertEquals(cpus["Skylake-Server-IBRS"].get('alias-of'),
 202                           "Skylake-Server-v2",
 203                          "Skylake-Server-IBRS must be an alias")
 204
 205         self.assertEquals(cpus["EPYC"].get('alias-of'),
 206                           "EPYC-v1",
 207                          "EPYC must be an alias")
 208         self.assertEquals(cpus["EPYC-IBPB"].get('alias-of'),
 209                           "EPYC-v2",
 210                          "EPYC-IBPB must be an alias")
 211
 212         self.validate_aliases(cpus)
 213
 214     def test_none_alias(self):
 215         """
 216         Check if unversioned CPU model is an alias pointing to some version
 217
 218         :avocado: tags=machine:none
 219         """
 220         self.vm.add_args('-S')
 221         self.vm.launch()
 222
 223         cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions'))
 224
 225         self.assertFalse(cpus['Cascadelake-Server']['static'],
 226                          'unversioned Cascadelake-Server CPU model must not be static')
 227         self.assertTrue(re.match('Cascadelake-Server-v[0-9]+', cpus['Cascadelake-Server']['alias-of']),
 228                         'Cascadelake-Server must be an alias of versioned CPU model')
 229         self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'],
 230                          'Cascadelake-Server-v1 must not be an alias')
 231
 232         self.assertFalse(cpus['qemu64']['static'],
 233                          'unversioned qemu64 CPU model must not be static')
 234         self.assertTrue(re.match('qemu64-v[0-9]+', cpus['qemu64']['alias-of']),
 235                         'qemu64 must be an alias of versioned CPU model')
 236         self.assertNotIn('alias-of', cpus['qemu64-v1'],
 237                          'qemu64-v1 must not be an alias')
 238
 239         self.validate_aliases(cpus)
 240
 241
 242 class CascadelakeArchCapabilities(avocado_qemu.QemuSystemTest):
 243     """
 244     Validation of Cascadelake arch-capabilities
 245
 246     :avocado: tags=arch:x86_64
 247     """
 248     def get_cpu_prop(self, prop):
 249         cpu_path = self.vm.command('query-cpus-fast')[0].get('qom-path')
 250         return self.vm.command('qom-get', path=cpu_path, property=prop)
 251
 252     def test_4_1(self):
 253         """
 254         :avocado: tags=machine:pc-i440fx-4.1
 255         :avocado: tags=cpu:Cascadelake-Server
 256         """
 257         # machine-type only:
 258         self.vm.add_args('-S')
 259         self.set_vm_arg('-cpu',
 260                         'Cascadelake-Server,x-force-features=on,check=off,'
 261                         'enforce=off')
 262         self.vm.launch()
 263         self.assertFalse(self.get_cpu_prop('arch-capabilities'),
 264                          'pc-i440fx-4.1 + Cascadelake-Server should not have arch-capabilities')
 265
 266     def test_4_0(self):
 267         """
 268         :avocado: tags=machine:pc-i440fx-4.0
 269         :avocado: tags=cpu:Cascadelake-Server
 270         """
 271         self.vm.add_args('-S')
 272         self.set_vm_arg('-cpu',
 273                         'Cascadelake-Server,x-force-features=on,check=off,'
 274                         'enforce=off')
 275         self.vm.launch()
 276         self.assertFalse(self.get_cpu_prop('arch-capabilities'),
 277                          'pc-i440fx-4.0 + Cascadelake-Server should not have arch-capabilities')
 278
 279     def test_set_4_0(self):
 280         """
 281         :avocado: tags=machine:pc-i440fx-4.0
 282         :avocado: tags=cpu:Cascadelake-Server
 283         """
 284         # command line must override machine-type if CPU model is not versioned:
 285         self.vm.add_args('-S')
 286         self.set_vm_arg('-cpu',
 287                         'Cascadelake-Server,x-force-features=on,check=off,'
 288                         'enforce=off,+arch-capabilities')
 289         self.vm.launch()
 290         self.assertTrue(self.get_cpu_prop('arch-capabilities'),
 291                         'pc-i440fx-4.0 + Cascadelake-Server,+arch-capabilities should have arch-capabilities')
 292
 293     def test_unset_4_1(self):
 294         """
 295         :avocado: tags=machine:pc-i440fx-4.1
 296         :avocado: tags=cpu:Cascadelake-Server
 297         """
 298         self.vm.add_args('-S')
 299         self.set_vm_arg('-cpu',
 300                         'Cascadelake-Server,x-force-features=on,check=off,'
 301                         'enforce=off,-arch-capabilities')
 302         self.vm.launch()
 303         self.assertFalse(self.get_cpu_prop('arch-capabilities'),
 304                          'pc-i440fx-4.1 + Cascadelake-Server,-arch-capabilities should not have arch-capabilities')
 305
 306     def test_v1_4_0(self):
 307         """
 308         :avocado: tags=machine:pc-i440fx-4.0
 309         :avocado: tags=cpu:Cascadelake-Server
 310         """
 311         # versioned CPU model overrides machine-type:
 312         self.vm.add_args('-S')
 313         self.set_vm_arg('-cpu',
 314                         'Cascadelake-Server-v1,x-force-features=on,check=off,'
 315                         'enforce=off')
 316         self.vm.launch()
 317         self.assertFalse(self.get_cpu_prop('arch-capabilities'),
 318                          'pc-i440fx-4.0 + Cascadelake-Server-v1 should not have arch-capabilities')
 319
 320     def test_v2_4_0(self):
 321         """
 322         :avocado: tags=machine:pc-i440fx-4.0
 323         :avocado: tags=cpu:Cascadelake-Server
 324         """
 325         self.vm.add_args('-S')
 326         self.set_vm_arg('-cpu',
 327                         'Cascadelake-Server-v2,x-force-features=on,check=off,'
 328                         'enforce=off')
 329         self.vm.launch()
 330         self.assertTrue(self.get_cpu_prop('arch-capabilities'),
 331                         'pc-i440fx-4.0 + Cascadelake-Server-v2 should have arch-capabilities')
 332
 333     def test_v1_set_4_0(self):
 334         """
 335         :avocado: tags=machine:pc-i440fx-4.0
 336         :avocado: tags=cpu:Cascadelake-Server
 337         """
 338         # command line must override machine-type and versioned CPU model:
 339         self.vm.add_args('-S')
 340         self.set_vm_arg('-cpu',
 341                         'Cascadelake-Server-v1,x-force-features=on,check=off,'
 342                         'enforce=off,+arch-capabilities')
 343         self.vm.launch()
 344         self.assertTrue(self.get_cpu_prop('arch-capabilities'),
 345                         'pc-i440fx-4.0 + Cascadelake-Server-v1,+arch-capabilities should have arch-capabilities')
 346
 347     def test_v2_unset_4_1(self):
 348         """
 349         :avocado: tags=machine:pc-i440fx-4.1
 350         :avocado: tags=cpu:Cascadelake-Server
 351         """
 352         self.vm.add_args('-S')
 353         self.set_vm_arg('-cpu',
 354                         'Cascadelake-Server-v2,x-force-features=on,check=off,'
 355                         'enforce=off,-arch-capabilities')
 356         self.vm.launch()
 357         self.assertFalse(self.get_cpu_prop('arch-capabilities'),
 358                          'pc-i440fx-4.1 + Cascadelake-Server-v2,-arch-capabilities should not have arch-capabilities')