From nobody Tue Feb 10 02:27:59 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 162463176644691.20425276314927; Fri, 25 Jun 2021 07:36:06 -0700 (PDT) Received: from localhost ([::1]:44134 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwmw9-0001N3-6b for importer@patchew.org; Fri, 25 Jun 2021 10:36:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60948) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwmfT-0003sU-W8 for qemu-devel@nongnu.org; Fri, 25 Jun 2021 10:18:52 -0400 Received: from mail-ej1-x633.google.com ([2a00:1450:4864:20::633]:33370) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lwmfS-0003Kr-6E for qemu-devel@nongnu.org; Fri, 25 Jun 2021 10:18:51 -0400 Received: by mail-ej1-x633.google.com with SMTP id bu12so15473741ejb.0 for ; Fri, 25 Jun 2021 07:18:49 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id c28sm326579ejc.102.2021.06.25.07.18.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Jun 2021 07:18:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=tgRY/UoYrXPJogrdpYXe8mcUTWND/106oKlRBPU+jnw=; b=np+kbX7dvx9sRE6EVPkDNH5tOE5b6xShzH4jFxSBsTzB6WEurJT+kGv/xIJwO8Qnc6 ySVP6pyVhtzqsOtPbm/dP8JVcDUuYOFLJZDwbEMRnL8K27y+Mdbzekdja8tn6Rz+hcze vho46DxYqYB14xgTy12jvaUDJlzXzOLrfepsYu/z8jXdAfP1ewqyn4wzsDlRn20d8Y25 I3BFkROJj1rnAFAPRl2LTNbk0StCLQO7GtxkbWl0fWQCp7sCCgSxtxDpeTRf5NiksexB krbal+LpIhs23Liavgq1TTqKxZ4MKt9uV2apQNpOlS6WQIpvMnSetn4TzPbHLMRJ2FCn Ti4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=tgRY/UoYrXPJogrdpYXe8mcUTWND/106oKlRBPU+jnw=; b=bwlEXI3oVKM9jq9wofObCVz14GAYooO6fh9VXHnesL305zhEbKOqyReIUPXIxa9qyW 8ul0icdlSubdALNnD80VtglIvO2HMuj400cidJTra9pUnnWTHnDS32qLE1+eFmcCXU9q ZSlzyH/ohc2eHVypfqCePfqSSJJMNi8HLDZMNE/mDyf4Rs5ygcUbv1oEjOyFpnfnqYUo IAFACW7Kd11NkRNSOjTQOsx4dRr1aTOJ0944xR4IbaSxB4Zj0a904zb8kw0jBixy1UUZ pXjn8QPV1Vjw33ab9vmG/V1nBYSMNFlxnZEY3sZjv6xILExxIT6AKfkRa5LBBVFvE/hk EYCg== X-Gm-Message-State: AOAM5310mNw2Upm4QtZQM7ubHWhGeTc3xk7Ywjlo0nRQdv4mCXMP+3fU 7BlAF7FCa0AezJgZRvFURDOQ2An9kKE= X-Google-Smtp-Source: ABdhPJw2RnsKEB9UavF3nn7NgfvLr4Dwlssn32Nu7EBZT9XCxywugCNnFAqnyzbiSSzAQRg08nzgEg== X-Received: by 2002:a17:907:7b82:: with SMTP id ne2mr10907064ejc.271.1624630728849; Fri, 25 Jun 2021 07:18:48 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 27/28] machine: pass QAPI struct to mc->smp_parse Date: Fri, 25 Jun 2021 16:18:21 +0200 Message-Id: <20210625141822.1368639-28-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210625141822.1368639-1-pbonzini@redhat.com> References: <20210625141822.1368639-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::633; envelope-from=paolo.bonzini@gmail.com; helo=mail-ej1-x633.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) As part of converting -smp to a property with a QAPI type, define the struct and use it to do the actual parsing. machine_smp_parse takes care of doing the QemuOpts->QAPI conversion by hand, for now. Reviewed-by: Daniel P. Berrang=C3=A9 Signed-off-by: Paolo Bonzini Message-Id: <20210617155308.928754-10-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini --- hw/core/machine.c | 33 +++++++++++++++++++++++---------- hw/i386/pc.c | 18 ++++++++---------- include/hw/boards.h | 2 +- qapi/machine.json | 28 ++++++++++++++++++++++++++++ 4 files changed, 60 insertions(+), 21 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 5a9c97ccc5..9ad8341a31 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -739,12 +739,12 @@ void machine_set_cpu_numa_node(MachineState *machine, } } =20 -static void smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) +static void smp_parse(MachineState *ms, SMPConfiguration *config, Error **= errp) { - unsigned cpus =3D qemu_opt_get_number(opts, "cpus", 0); - unsigned sockets =3D qemu_opt_get_number(opts, "sockets", 0); - unsigned cores =3D qemu_opt_get_number(opts, "cores", 0); - unsigned threads =3D qemu_opt_get_number(opts, "threads", 0); + unsigned cpus =3D config->has_cpus ? config->cpus : 0; + unsigned sockets =3D config->has_sockets ? config->sockets : 0; + unsigned cores =3D config->has_cores ? config->cores : 0; + unsigned threads =3D config->has_threads ? config->threads : 0; =20 /* compute missing values, prefer sockets over cores over threads */ if (cpus =3D=3D 0 || sockets =3D=3D 0) { @@ -754,8 +754,7 @@ static void smp_parse(MachineState *ms, QemuOpts *opts,= Error **errp) sockets =3D sockets > 0 ? sockets : 1; cpus =3D cores * threads * sockets; } else { - ms->smp.max_cpus =3D - qemu_opt_get_number(opts, "maxcpus", cpus); + ms->smp.max_cpus =3D config->has_maxcpus ? config->maxcpus : c= pus; sockets =3D ms->smp.max_cpus / (cores * threads); } } else if (cores =3D=3D 0) { @@ -773,8 +772,7 @@ static void smp_parse(MachineState *ms, QemuOpts *opts,= Error **errp) return; } =20 - ms->smp.max_cpus =3D - qemu_opt_get_number(opts, "maxcpus", cpus); + ms->smp.max_cpus =3D config->has_maxcpus ? config->maxcpus : cpus; =20 if (ms->smp.max_cpus < cpus) { error_setg(errp, "maxcpus must be equal to or greater than smp"); @@ -1129,7 +1127,22 @@ bool machine_smp_parse(MachineState *ms, QemuOpts *o= pts, Error **errp) ERRP_GUARD(); =20 if (opts) { - mc->smp_parse(ms, opts, errp); + SMPConfiguration config =3D { + .has_cpus =3D !!qemu_opt_get(opts, "cpus"), + .cpus =3D qemu_opt_get_number(opts, "cpus", 0), + .has_sockets =3D !!qemu_opt_get(opts, "sockets"), + .sockets =3D qemu_opt_get_number(opts, "sockets", 0), + .has_dies =3D !!qemu_opt_get(opts, "dies"), + .dies =3D qemu_opt_get_number(opts, "dies", 0), + .has_cores =3D !!qemu_opt_get(opts, "cores"), + .cores =3D qemu_opt_get_number(opts, "cores", 0), + .has_threads =3D !!qemu_opt_get(opts, "threads"), + .threads =3D qemu_opt_get_number(opts, "threads", 0), + .has_maxcpus =3D !!qemu_opt_get(opts, "maxcpus"), + .maxcpus =3D qemu_opt_get_number(opts, "maxcpus", 0), + }; + + mc->smp_parse(ms, &config, errp); if (*errp) { return false; } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index cce275dcb1..8e1220db72 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -710,13 +710,13 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int= level) * This function is very similar to smp_parse() * in hw/core/machine.c but includes CPU die support. */ -static void pc_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) +static void pc_smp_parse(MachineState *ms, SMPConfiguration *config, Error= **errp) { - unsigned cpus =3D qemu_opt_get_number(opts, "cpus", 0); - unsigned sockets =3D qemu_opt_get_number(opts, "sockets", 0); - unsigned dies =3D qemu_opt_get_number(opts, "dies", 1); - unsigned cores =3D qemu_opt_get_number(opts, "cores", 0); - unsigned threads =3D qemu_opt_get_number(opts, "threads", 0); + unsigned cpus =3D config->has_cpus ? config->cpus : 0; + unsigned sockets =3D config->has_sockets ? config->sockets : 0; + unsigned dies =3D config->has_dies ? config->dies : 1; + unsigned cores =3D config->has_cores ? config->cores : 0; + unsigned threads =3D config->has_threads ? config->threads : 0; =20 /* compute missing values, prefer sockets over cores over threads */ if (cpus =3D=3D 0 || sockets =3D=3D 0) { @@ -726,8 +726,7 @@ static void pc_smp_parse(MachineState *ms, QemuOpts *op= ts, Error **errp) sockets =3D sockets > 0 ? sockets : 1; cpus =3D cores * threads * dies * sockets; } else { - ms->smp.max_cpus =3D - qemu_opt_get_number(opts, "maxcpus", cpus); + ms->smp.max_cpus =3D config->has_maxcpus ? config->maxcpus : c= pus; sockets =3D ms->smp.max_cpus / (cores * threads * dies); } } else if (cores =3D=3D 0) { @@ -745,8 +744,7 @@ static void pc_smp_parse(MachineState *ms, QemuOpts *op= ts, Error **errp) return; } =20 - ms->smp.max_cpus =3D - qemu_opt_get_number(opts, "maxcpus", cpus); + ms->smp.max_cpus =3D config->has_maxcpus ? config->maxcpus : cpus; =20 if (ms->smp.max_cpus < cpus) { error_setg(errp, "maxcpus must be equal to or greater than smp"); diff --git a/include/hw/boards.h b/include/hw/boards.h index 0483d6af86..1eae4427e8 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -210,7 +210,7 @@ struct MachineClass { void (*reset)(MachineState *state); void (*wakeup)(MachineState *state); int (*kvm_type)(MachineState *machine, const char *arg); - void (*smp_parse)(MachineState *ms, QemuOpts *opts, Error **errp); + void (*smp_parse)(MachineState *ms, SMPConfiguration *config, Error **= errp); =20 BlockInterfaceType block_default_type; int units_per_default_bus; diff --git a/qapi/machine.json b/qapi/machine.json index e4d0f9b24f..c3210ee1fb 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -1284,3 +1284,31 @@ ## { 'event': 'MEM_UNPLUG_ERROR', 'data': { 'device': 'str', 'msg': 'str' } } + +## +# @SMPConfiguration: +# +# Schema for CPU topology configuration. "0" or a missing value lets +# QEMU figure out a suitable value based on the ones that are provided. +# +# @cpus: number of virtual CPUs in the virtual machine +# +# @sockets: number of sockets in the CPU topology +# +# @dies: number of dies per socket in the CPU topology +# +# @cores: number of cores per thread in the CPU topology +# +# @threads: number of threads per core in the CPU topology +# +# @maxcpus: maximum number of hotpluggable virtual CPUs in the virtual mac= hine +# +# Since: 6.1 +## +{ 'struct': 'SMPConfiguration', 'data': { + '*cpus': 'int', + '*sockets': 'int', + '*dies': 'int', + '*cores': 'int', + '*threads': 'int', + '*maxcpus': 'int' } } --=20 2.31.1