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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C From: Suravee Suthikulpanit To: CC: , , , , , , , , , , , , Suravee Suthikulpanit Subject: [PATCH v3 1/2] hw/i386/pc: Default to use SMBIOS 3.0 for newer machine models Date: Fri, 2 Jun 2023 22:22:54 -0500 Message-ID: <20230603032255.517970-2-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230603032255.517970-1-suravee.suthikulpanit@amd.com> References: <20230603032255.517970-1-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT036:EE_|CH0PR12MB5170:EE_ X-MS-Office365-Filtering-Correlation-Id: 5127c72a-fe31-4011-55f6-08db63e1e5f4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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envelope-from=Suravee.Suthikulpanit@amd.com; helo=NAM11-BN8-obe.outbound.protection.outlook.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @amd.com) X-ZM-MESSAGEID: 1685762669561100003 Content-Type: text/plain; charset="utf-8" Currently, pc-q35 and pc-i44fx machine models are default to use SMBIOS 2.8 (32-bit entry point). Since SMBIOS 3.0 (64-bit entry point) is now fully supported since QEMU 7.0, default to use SMBIOS 3.0 for newer machine models. This is necessary to avoid the following message when launching a VM with large number of vcpus. "SMBIOS 2.1 table length 66822 exceeds 65535" Note that user can still override the entry point tyme w/ QEMU option "-M ..., smbios-entry-point-type=3D[32|64]. Signed-off-by: Suravee Suthikulpanit --- hw/i386/pc.c | 5 ++++- hw/i386/pc_piix.c | 14 ++++++++++++++ hw/i386/pc_q35.c | 14 ++++++++++++++ include/hw/i386/pc.h | 2 ++ 4 files changed, 34 insertions(+), 1 deletion(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index bb62c994fa..fced0ab0eb 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1770,7 +1770,10 @@ static void pc_machine_set_smbios_ep(Object *obj, Vi= sitor *v, const char *name, { PCMachineState *pcms =3D PC_MACHINE(obj); =20 - visit_type_SmbiosEntryPointType(v, name, &pcms->smbios_entry_point_typ= e, errp); + pcms->smbios_use_cmdline_ep_type =3D + visit_type_SmbiosEntryPointType(v, name, + &pcms->smbios_entry_point_type, + errp); } =20 static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v, diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index d5b0dcd1fe..2905b26666 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -199,6 +199,14 @@ static void pc_init1(MachineState *machine, pc_guest_info_init(pcms); =20 if (pcmc->smbios_defaults) { + /* + * Check if user has specified command line option to override + * the default SMBIOS default entry point type. + */ + if (!pcms->smbios_use_cmdline_ep_type) { + pcms->smbios_entry_point_type =3D pcmc->default_smbios_ep_type; + } + MachineClass *mc =3D MACHINE_GET_CLASS(machine); /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", mc->desc, @@ -453,6 +461,7 @@ static void pc_i440fx_machine_options(MachineClass *m) PCMachineClass *pcmc =3D PC_MACHINE_CLASS(m); pcmc->pci_root_uid =3D 0; pcmc->default_cpu_version =3D 1; + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_64; =20 m->family =3D "pc_piix"; m->desc =3D "Standard PC (i440FX + PIIX, 1996)"; @@ -476,11 +485,16 @@ DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, =20 static void pc_i440fx_8_0_machine_options(MachineClass *m) { + PCMachineClass *pcmc =3D PC_MACHINE_CLASS(m); + pc_i440fx_8_1_machine_options(m); m->alias =3D NULL; m->is_default =3D false; compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); + + /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_32; } =20 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 6155427e48..2d1bb5fde5 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -199,6 +199,14 @@ static void pc_q35_init(MachineState *machine) pc_guest_info_init(pcms); =20 if (pcmc->smbios_defaults) { + /* + * Check if user has specified command line option to override + * the default SMBIOS default entry point type. + */ + if (!pcms->smbios_use_cmdline_ep_type) { + pcms->smbios_entry_point_type =3D pcmc->default_smbios_ep_type; + } + /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", mc->desc, mc->name, pcmc->smbios_legacy_mode, @@ -359,6 +367,7 @@ static void pc_q35_machine_options(MachineClass *m) PCMachineClass *pcmc =3D PC_MACHINE_CLASS(m); pcmc->pci_root_uid =3D 0; pcmc->default_cpu_version =3D 1; + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_64; =20 m->family =3D "pc_q35"; m->desc =3D "Standard PC (Q35 + ICH9, 2009)"; @@ -387,10 +396,15 @@ DEFINE_Q35_MACHINE(v8_1, "pc-q35-8.1", NULL, =20 static void pc_q35_8_0_machine_options(MachineClass *m) { + PCMachineClass *pcmc =3D PC_MACHINE_CLASS(m); + pc_q35_8_1_machine_options(m); m->alias =3D NULL; compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); + + /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */ + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_32; } =20 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL, diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index c661e9cc80..f754da5a38 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -50,6 +50,7 @@ typedef struct PCMachineState { bool i8042_enabled; bool default_bus_bypass_iommu; uint64_t max_fw_size; + bool smbios_use_cmdline_ep_type; =20 /* ACPI Memory hotplug IO base address */ hwaddr memhp_io_base; @@ -110,6 +111,7 @@ struct PCMachineClass { bool smbios_defaults; bool smbios_legacy_mode; bool smbios_uuid_encoded; + SmbiosEntryPointType default_smbios_ep_type; =20 /* RAM / address space compat: */ bool gigabyte_align; --=20 2.34.1 From nobody Fri May 3 14:35:20 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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envelope-from=Suravee.Suthikulpanit@amd.com; helo=NAM02-BN1-obe.outbound.protection.outlook.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, 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_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @amd.com) X-ZM-MESSAGEID: 1685762958627100005 Since KVM_MAX_VCPUS is currently defined to 1024 for x86 as shown in arch/x86/include/asm/kvm_host.h, update QEMU limits to the same number. In case KVM could not support the specified number of vcpus, QEMU would return the following error message: qemu-system-x86_64: kvm_init_vcpu: kvm_get_vcpu failed (xxx): Invalid arg= ument Cc: Igor Mammedov Cc: Daniel P. Berrang=C3=A9 Cc: Michael S. Tsirkin Cc: Julia Suvorova Signed-off-by: Suravee Suthikulpanit --- hw/i386/pc_q35.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 2d1bb5fde5..2124ada58d 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -382,7 +382,7 @@ static void pc_q35_machine_options(MachineClass *m) machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); - m->max_cpus =3D 288; + m->max_cpus =3D 1024; } =20 static void pc_q35_8_1_machine_options(MachineClass *m) --=20 2.34.1