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Tue, 27 Feb 2024 10:48:58 -0500 Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-519-esWAYJ4WMq6QfDOvQnSyYA-1; Tue, 27 Feb 2024 10:48:37 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id F3CA1380450E; Tue, 27 Feb 2024 15:48:36 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq2.redhat.com (dell-r430-03.lab.eng.brq2.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6E5BF2166B5E; Tue, 27 Feb 2024 15:48:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709048921; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4XcAZqKOfS7DTleSAQCnGHI1cZWEQbqT3upL1ikAauE=; b=AsYbQpnP3xNCJixn28HrnOxdFrdzBxPXFe6PBc0pixS4NShOfERDEMcYRn92WL4b9IvTnQ uGp/TB3k7Kb64QWwI+QKrvKjXxQA3JD1mkF6dG64zXy4Wbpmh20TSAMKNIbtCocg4KauBi 4gWQ0m+UZyrg05t4BOAc1gb0ZWMrhYU= X-MC-Unique: esWAYJ4WMq6QfDOvQnSyYA-1 From: Igor Mammedov To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, pbonzini@redhat.com, mst@redhat.com, gaosong@loongson.cn, alistair.francis@wdc.com, palmer@dabbelt.com, bin.meng@windriver.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, imammedo@redhat.com, anisinha@redhat.com, philmd@linaro.org, wangyanan55@huawei.com, eblake@redhat.com, armbru@redhat.com, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, f.ebner@proxmox.com Subject: [PATCH 15/19] smbios: error out when building type 4 table is not possible Date: Tue, 27 Feb 2024 16:47:45 +0100 Message-Id: <20240227154749.1818189-16-imammedo@redhat.com> In-Reply-To: <20240227154749.1818189-1-imammedo@redhat.com> References: <20240227154749.1818189-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 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=170.10.129.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: 1709049068096100005 If SMBIOS v2 version is requested but number of cores/threads are more than it's possible to describe with v2, error out instead of silently ignoring the fact and filling core/thread count with bogus values. This will help caller to decide if it should fallback to SMBIOSv3 when smbios-entry-point-type=3D'auto' Signed-off-by: Igor Mammedov Reviewed-by: Ani Sinha --- hw/smbios/smbios.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index e54a9f21e6..bf5c7a8885 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -605,7 +605,8 @@ static void smbios_build_type_3_table(void) } =20 static void smbios_build_type_4_table(MachineState *ms, unsigned instance, - SmbiosEntryPointType ep_type) + SmbiosEntryPointType ep_type, + Error **errp) { char sock_str[128]; size_t tbl_len =3D SMBIOS_TYPE_4_LEN_V28; @@ -659,6 +660,12 @@ static void smbios_build_type_4_table(MachineState *ms= , unsigned instance, if (tbl_len =3D=3D SMBIOS_TYPE_4_LEN_V30) { t->core_count2 =3D t->core_enabled2 =3D cpu_to_le16(cores_per_sock= et); t->thread_count2 =3D cpu_to_le16(threads_per_socket); + } else if (t->core_count =3D=3D 0xFF || t->thread_count =3D=3D 0xFF) { + error_setg(errp, "SMBIOS 2.0 doesn't support number of processor " + "cores/threads more than 255, use " + "-machine smbios-entry-point-type=3D64 option to = enable " + "SMBIOS 3.0 support"); + return; } =20 SMBIOS_BUILD_TABLE_POST; @@ -987,7 +994,10 @@ static bool smbios_get_tables_ep(MachineState *ms, assert(ms->smp.sockets >=3D 1); =20 for (i =3D 0; i < ms->smp.sockets; i++) { - smbios_build_type_4_table(ms, i, ep_type); + smbios_build_type_4_table(ms, i, ep_type, errp); + if (*errp) { + goto err_exit; + } } =20 smbios_build_type_8_table(); --=20 2.39.3