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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Zhao Liu , Igor Mammedov , Ani Sinha Subject: [PULL 27/83] tests: bios-tables-test: Add test for smbios type4 thread count2 Message-ID: <2b04a1eaf75f0a94b40be865198ab746cfb3034d.1697644299.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1697644683856100003 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Zhao Liu This tests the commit 7298fd7de5551 ("hw/smbios: Fix thread count in type4"). In smbios_build_type_4_table() (hw/smbios/smbios.c), if the number of threads in the socket is more than 255, then smbios type4 table encodes threads per socket into the thread count2 field. So for the topology in this case, there're the following considerations: 1. threads per socket should be more than 255 to ensure we could cover the thread count2 field. 2. The original bug was that threads per socket was miscalculated, so now we should configure as many topology levels as possible (mutiple sockets & dies, no module since x86 hasn't supported it) to cover more general topology scenarios, to ensure that the threads per socket encoded in the thread count2 field is correct. 3. For the more general topology, we should also add "cpus" (presented threads for machine) and "maxcpus" (total threads for machine) to make sure that configuring unpluged CPUs in smp (cpus < maxcpus) does not affect the correctness of threads per socket for thread count2 field. Based on these considerations, select the topology as the follow: -smp cpus=3D210,maxcpus=3D520,sockets=3D2,dies=3D2,cores=3D65,threads=3D2 The expected thread count2 =3D threads per socket =3D threads (2) * cores (65) * dies (2) =3D 260. Suggested-by: Igor Mammedov Signed-off-by: Zhao Liu Message-Id: <20230928125943.1816922-16-zhao1.liu@linux.intel.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/bios-tables-test.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c index 395ed7f9ff..1e61ead539 100644 --- a/tests/qtest/bios-tables-test.c +++ b/tests/qtest/bios-tables-test.c @@ -96,6 +96,7 @@ typedef struct { uint8_t smbios_core_count; uint16_t smbios_core_count2; uint8_t smbios_thread_count; + uint16_t smbios_thread_count2; uint8_t *required_struct_types; int required_struct_types_len; int type4_count; @@ -644,6 +645,7 @@ static void smbios_cpu_test(test_data *data, uint32_t a= ddr, uint8_t thread_count, expected_thread_count =3D data->smbios_thread_co= unt; uint16_t speed, expected_speed[2]; uint16_t core_count2, expected_core_count2 =3D data->smbios_core_count= 2; + uint16_t thread_count2, expected_thread_count2 =3D data->smbios_thread= _count2; int offset[2]; int i; =20 @@ -680,6 +682,15 @@ static void smbios_cpu_test(test_data *data, uint32_t = addr, if (expected_core_count =3D=3D 0xFF && expected_core_count2) { g_assert_cmpuint(core_count2, =3D=3D, expected_core_count2); } + + thread_count2 =3D qtest_readw(data->qts, + addr + offsetof(struct smbios_type_4, + thread_count2)); + + /* Thread Count has reached its limit, checking Thread Count 2 */ + if (expected_thread_count =3D=3D 0xFF && expected_thread_count2) { + g_assert_cmpuint(thread_count2, =3D=3D, expected_thread_count2= ); + } } } =20 @@ -1050,6 +1061,7 @@ static void test_acpi_q35_tcg_thread_count(void) .required_struct_types =3D base_required_struct_types, .required_struct_types_len =3D ARRAY_SIZE(base_required_struct_typ= es), .smbios_thread_count =3D 27, + .smbios_thread_count2 =3D 27, }; =20 test_acpi_one("-machine smbios-entry-point-type=3D64 " @@ -1058,6 +1070,23 @@ static void test_acpi_q35_tcg_thread_count(void) free_test_data(&data); } =20 +static void test_acpi_q35_tcg_thread_count2(void) +{ + test_data data =3D { + .machine =3D MACHINE_Q35, + .variant =3D ".thread-count2", + .required_struct_types =3D base_required_struct_types, + .required_struct_types_len =3D ARRAY_SIZE(base_required_struct_typ= es), + .smbios_thread_count =3D 0xFF, + .smbios_thread_count2 =3D 260, + }; + + test_acpi_one("-machine smbios-entry-point-type=3D64 " + "-smp cpus=3D210,maxcpus=3D520,sockets=3D2,dies=3D2,core= s=3D65,threads=3D2", + &data); + free_test_data(&data); +} + static void test_acpi_q35_tcg_bridge(void) { test_data data =3D {}; @@ -2228,6 +2257,8 @@ int main(int argc, char *argv[]) test_acpi_q35_tcg_core_count2); qtest_add_func("acpi/q35/thread-count", test_acpi_q35_tcg_thread_count); + qtest_add_func("acpi/q35/thread-count2", + test_acpi_q35_tcg_thread_count2); } if (qtest_has_device("virtio-iommu-pci")) { qtest_add_func("acpi/q35/viot", test_acpi_q35_viot); --=20 MST