From patchwork Fri Sep 4 03:47:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 306213 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6954C43461 for ; Fri, 4 Sep 2020 04:01:22 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A854D206CA for ; Fri, 4 Sep 2020 04:01:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="Y1JISe4A" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A854D206CA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57758 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kE2uf-0000Ze-PB for qemu-devel@archiver.kernel.org; Fri, 04 Sep 2020 00:01:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54796) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kE2hb-0002iS-CE; Thu, 03 Sep 2020 23:47:51 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:40781) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kE2hZ-0004wi-9C; Thu, 03 Sep 2020 23:47:51 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4BjNsq6f0Qz9sVy; Fri, 4 Sep 2020 13:47:27 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1599191247; bh=gMiAtQjsk/Rf8aQpgZPjpS1b6eRF/e1DiGSzGhHBsJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y1JISe4A0pk3vSHwfvCc5D/S917UE27vRuqXYJkMPiFSBqmM4F1aUfhAleuCP+cBA Hq5xGhIxIKPthviG//6dZhBvrTfmdfR62FA6/PdRd66UKtb6YZHlNknEGbX/PQYjdw /rSI5wjxde/ZUBhP/UQB/eoOJiXyHjABlEVykTmk= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 15/30] target/arm: Move start-powered-off property to generic CPUState Date: Fri, 4 Sep 2020 13:47:04 +1000 Message-Id: <20200904034719.673626-16-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200904034719.673626-1-david@gibson.dropbear.id.au> References: <20200904034719.673626-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , danielhb413@gmail.com, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , bauerman@linux.ibm.com, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Thiago Jung Bauermann There are other platforms which also have CPUs that start powered off, so generalize the start-powered-off property so that it can be used by them. Note that ARMv7MState also has a property of the same name but this patch doesn't change it because that class isn't a subclass of CPUState so it wouldn't be a trivial change. This change should not cause any change in behavior. Suggested-by: Eduardo Habkost Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: David Gibson Reviewed-by: Greg Kurz Signed-off-by: Thiago Jung Bauermann Message-Id: <20200826055535.951207-2-bauerman@linux.ibm.com> Signed-off-by: David Gibson --- exec.c | 1 + include/hw/core/cpu.h | 4 ++++ target/arm/cpu.c | 5 ++--- target/arm/cpu.h | 3 --- target/arm/kvm32.c | 2 +- target/arm/kvm64.c | 2 +- 6 files changed, 9 insertions(+), 8 deletions(-) diff --git a/exec.c b/exec.c index 7683afb6a8..e34b602bdf 100644 --- a/exec.c +++ b/exec.c @@ -899,6 +899,7 @@ Property cpu_common_props[] = { DEFINE_PROP_LINK("memory", CPUState, memory, TYPE_MEMORY_REGION, MemoryRegion *), #endif + DEFINE_PROP_BOOL("start-powered-off", CPUState, start_powered_off, false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 8f145733ce..9fc2696db5 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -374,6 +374,10 @@ struct CPUState { bool created; bool stop; bool stopped; + + /* Should CPU start in powered-off state? */ + bool start_powered_off; + bool unplug; bool crash_occurred; bool exit_request; diff --git a/target/arm/cpu.c b/target/arm/cpu.c index c179e0752d..9f814194fb 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -174,8 +174,8 @@ static void arm_cpu_reset(DeviceState *dev) env->vfp.xregs[ARM_VFP_MVFR1] = cpu->isar.mvfr1; env->vfp.xregs[ARM_VFP_MVFR2] = cpu->isar.mvfr2; - cpu->power_state = cpu->start_powered_off ? PSCI_OFF : PSCI_ON; - s->halted = cpu->start_powered_off; + cpu->power_state = s->start_powered_off ? PSCI_OFF : PSCI_ON; + s->halted = s->start_powered_off; if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q'; @@ -2186,7 +2186,6 @@ static const ARMCPUInfo arm_cpus[] = { }; static Property arm_cpu_properties[] = { - DEFINE_PROP_BOOL("start-powered-off", ARMCPU, start_powered_off, false), DEFINE_PROP_UINT32("psci-conduit", ARMCPU, psci_conduit, 0), DEFINE_PROP_UINT64("midr", ARMCPU, midr, 0), DEFINE_PROP_UINT64("mp-affinity", ARMCPU, diff --git a/target/arm/cpu.h b/target/arm/cpu.h index a1c7d8ebae..6036f61d60 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -817,9 +817,6 @@ struct ARMCPU { */ uint32_t psci_version; - /* Should CPU start in PSCI powered-off state? */ - bool start_powered_off; - /* Current power state, access guarded by BQL */ ARMPSCIState power_state; diff --git a/target/arm/kvm32.c b/target/arm/kvm32.c index 0af46b41c8..1f2b8f8b7a 100644 --- a/target/arm/kvm32.c +++ b/target/arm/kvm32.c @@ -218,7 +218,7 @@ int kvm_arch_init_vcpu(CPUState *cs) /* Determine init features for this CPU */ memset(cpu->kvm_init_features, 0, sizeof(cpu->kvm_init_features)); - if (cpu->start_powered_off) { + if (cs->start_powered_off) { cpu->kvm_init_features[0] |= 1 << KVM_ARM_VCPU_POWER_OFF; } if (kvm_check_extension(cs->kvm_state, KVM_CAP_ARM_PSCI_0_2)) { diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index ef1e960285..987b35e33f 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -774,7 +774,7 @@ int kvm_arch_init_vcpu(CPUState *cs) /* Determine init features for this CPU */ memset(cpu->kvm_init_features, 0, sizeof(cpu->kvm_init_features)); - if (cpu->start_powered_off) { + if (cs->start_powered_off) { cpu->kvm_init_features[0] |= 1 << KVM_ARM_VCPU_POWER_OFF; } if (kvm_check_extension(cs->kvm_state, KVM_CAP_ARM_PSCI_0_2)) {