From nobody Sun Nov 24 09:21:34 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; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1726058560; cv=none; d=zohomail.com; s=zohoarc; b=cd7PsgF2rLurQ4yupEdGYL/d1EwJZDiuA5zhIgJLOzkqeIJHi+lwE5rCO5z4lXHnZViBgxsUoS4icSbGMPZaYPGKg/yDCsNYbXlN8LVafVphMrXACcuaarop05iYynbmIIPi4WQqa05pi93u1gMF0dnvBH/C+t2U1xkib+nUmoA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1726058560; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=gU4vA1l3j7vpb6U9RGVZr3j7o9V0Y0q871++U1XS99U=; b=iHNxQS/iaAzR9MqB7YB/F5Ea2sZeNEJkVUyuWLYGRck4x1hAza3YR+j0zjyyFft3JCsbUVaJrRDa9FBDP+kwZJ7clsiDG/luXfae7IyLQS0AHmyrJlxfFHlEG2HT0AoRafnxhHy235lsv5uGlrCR1nvxeypBfEmVDxxd6YCvays= ARC-Authentication-Results: i=1; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1726058560733496.0895318547032; Wed, 11 Sep 2024 05:42:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1soMYZ-0000hB-Rq; Wed, 11 Sep 2024 08:34:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1soMYB-0007XT-P9 for qemu-devel@nongnu.org; Wed, 11 Sep 2024 08:34:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1soMY9-00016J-Ur for qemu-devel@nongnu.org; Wed, 11 Sep 2024 08:34:23 -0400 Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-684-WctiAn0ANhyw_cS2vb2miA-1; Wed, 11 Sep 2024 08:34:20 -0400 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-42cb6ed7f9dso30852565e9.3 for ; Wed, 11 Sep 2024 05:34:20 -0700 (PDT) Received: from avogadro.local ([151.95.101.29]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3789564aea0sm11454160f8f.20.2024.09.11.05.34.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 05:34:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1726058061; 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=gU4vA1l3j7vpb6U9RGVZr3j7o9V0Y0q871++U1XS99U=; b=iWyq6cK4B3Tgix9WnlnoChny3MjXgJdMIakpyUr9tybvHzBoZeAB4QcmKgYFbDSOqXV0sp ze6aOfhb7QoRZu74fExFN2Pb9f2xoLlcB0QqB6+5vZJdpzXOMEHnWhGq4e0IsCaVARahGp kCmACmWE0gCOWe44u4xnQsA25TqY0bM= X-MC-Unique: WctiAn0ANhyw_cS2vb2miA-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726058059; x=1726662859; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gU4vA1l3j7vpb6U9RGVZr3j7o9V0Y0q871++U1XS99U=; b=Ba8PfAu7Ur2/IbYGWDCeo8fvPt31SS4IXdHeEz+isu0Cb4edf0SBhz7a9I2jsPu7zx 6aVHbQG7GPIHcpbDGHEiTgq0wb32cfqB1zIrhq8b4Nn3JD0jfygtFP0GLjRzhVwBr/Wv kINUUBP6F8aUo55gupoGO+bMwCqHOKrZa8UF1VQ4yKrq66Ij67T57+oSVawkjyNi5FzR y0h7EJjQPJGgMruM6D1JTYS5NuGl5HEzI/szL82TcxmM5SiE1V/VnFqR/VwGvObqavwm 9se4oF1Q/RaE1J+4H8PedMnEFFfFx/p4dqtD9nLxkYsazIQJmxsHqudEMAFBJ740l/df sCGA== X-Gm-Message-State: AOJu0YzU9DtWCRhROq900akTSVc8o2ZUL9V+vMgIplIHcZQ7g0jbvJ1u QeFZ8PitRbW4+8P/2rjVO2LO/GyOZ56xBNWbmBC/5xKyD7Ylv7GB6VSW3Vm9A/SdgTbdTIHLgET VROcI5auksN/4gQza2/l4dymvsemdN2Tu/fc0nutLX0lkuFFJjBt+hkyH0Fw4tfZOiOh5QHdjb0 GDMBbrEakkVYY8TnCkXeDLNteN/au0EvQtxdTLeM8= X-Received: by 2002:a5d:4387:0:b0:374:c160:269e with SMTP id ffacd0b85a97d-378922a6d58mr12067515f8f.22.1726058058769; Wed, 11 Sep 2024 05:34:18 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF1syhIqZn9kkdR5trZlf4NlSE5E+KBXO4xNaw8uzj3xmc6XFKG/brCDEo8NOohUZZrfsloHw== X-Received: by 2002:a5d:4387:0:b0:374:c160:269e with SMTP id ffacd0b85a97d-378922a6d58mr12067493f8f.22.1726058058284; Wed, 11 Sep 2024 05:34:18 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Ani Sinha , pbonzini@redhat.com, zhao1.liu@intel.com Subject: [PULL 11/17] kvm: refactor core virtual machine creation into its own function Date: Wed, 11 Sep 2024 14:33:36 +0200 Message-ID: <20240911123342.339482-12-pbonzini@redhat.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240911123342.339482-1-pbonzini@redhat.com> References: <20240911123342.339482-1-pbonzini@redhat.com> MIME-Version: 1.0 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=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.144, 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 1726058561351116600 Content-Type: text/plain; charset="utf-8" From: Ani Sinha Refactoring the core logic around KVM_CREATE_VM into its own separate funct= ion so that it can be called from other functions in subsequent patches. There = is no functional change in this patch. CC: pbonzini@redhat.com CC: zhao1.liu@intel.com Signed-off-by: Ani Sinha Link: https://lore.kernel.org/r/20240808113838.1697366-1-anisinha@redhat.com Signed-off-by: Paolo Bonzini --- accel/kvm/kvm-all.c | 89 ++++++++++++++++++++++++++++----------------- 1 file changed, 56 insertions(+), 33 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index fcc157f0e60..ebaa632a21e 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2385,6 +2385,60 @@ uint32_t kvm_dirty_ring_size(void) return kvm_state->kvm_dirty_ring_size; } =20 +static int do_kvm_create_vm(MachineState *ms, int type) +{ + KVMState *s; + int ret; + + s =3D KVM_STATE(ms->accelerator); + + do { + ret =3D kvm_ioctl(s, KVM_CREATE_VM, type); + } while (ret =3D=3D -EINTR); + + if (ret < 0) { + error_report("ioctl(KVM_CREATE_VM) failed: %s", strerror(-ret)); + +#ifdef TARGET_S390X + if (ret =3D=3D -EINVAL) { + error_printf("Host kernel setup problem detected." + " Please verify:\n"); + error_printf("- for kernels supporting the" + " switch_amode or user_mode parameters, whether"); + error_printf(" user space is running in primary address space\= n"); + error_printf("- for kernels supporting the vm.allocate_pgste" + " sysctl, whether it is enabled\n"); + } +#elif defined(TARGET_PPC) + if (ret =3D=3D -EINVAL) { + error_printf("PPC KVM module is not loaded. Try modprobe kvm_%= s.\n", + (type =3D=3D 2) ? "pr" : "hv"); + } +#endif + } + + return ret; +} + +static int find_kvm_machine_type(MachineState *ms) +{ + MachineClass *mc =3D MACHINE_GET_CLASS(ms); + int type; + + if (object_property_find(OBJECT(current_machine), "kvm-type")) { + g_autofree char *kvm_type; + kvm_type =3D object_property_get_str(OBJECT(current_machine), + "kvm-type", + &error_abort); + type =3D mc->kvm_type(ms, kvm_type); + } else if (mc->kvm_type) { + type =3D mc->kvm_type(ms, NULL); + } else { + type =3D kvm_arch_get_default_type(ms); + } + return type; +} + static int kvm_init(MachineState *ms) { MachineClass *mc =3D MACHINE_GET_CLASS(ms); @@ -2467,45 +2521,14 @@ static int kvm_init(MachineState *ms) } s->as =3D g_new0(struct KVMAs, s->nr_as); =20 - if (object_property_find(OBJECT(current_machine), "kvm-type")) { - g_autofree char *kvm_type =3D object_property_get_str(OBJECT(curre= nt_machine), - "kvm-type", - &error_abort); - type =3D mc->kvm_type(ms, kvm_type); - } else if (mc->kvm_type) { - type =3D mc->kvm_type(ms, NULL); - } else { - type =3D kvm_arch_get_default_type(ms); - } - + type =3D find_kvm_machine_type(ms); if (type < 0) { ret =3D -EINVAL; goto err; } =20 - do { - ret =3D kvm_ioctl(s, KVM_CREATE_VM, type); - } while (ret =3D=3D -EINTR); - + ret =3D do_kvm_create_vm(ms, type); if (ret < 0) { - error_report("ioctl(KVM_CREATE_VM) failed: %s", strerror(-ret)); - -#ifdef TARGET_S390X - if (ret =3D=3D -EINVAL) { - error_printf("Host kernel setup problem detected." - " Please verify:\n"); - error_printf("- for kernels supporting the" - " switch_amode or user_mode parameters, whether"); - error_printf(" user space is running in primary address space\= n"); - error_printf("- for kernels supporting the vm.allocate_pgste" - " sysctl, whether it is enabled\n"); - } -#elif defined(TARGET_PPC) - if (ret =3D=3D -EINVAL) { - error_printf("PPC KVM module is not loaded. Try modprobe kvm_%= s.\n", - (type =3D=3D 2) ? "pr" : "hv"); - } -#endif goto err; } =20 --=20 2.46.0