From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D79B1C433EF for ; Fri, 14 Jan 2022 14:34:08 +0000 (UTC) Received: from localhost ([::1]:41222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8Nea-0002yu-1N for qemu-devel@archiver.kernel.org; Fri, 14 Jan 2022 09:34:08 -0500 Received: from eggs.gnu.org ([209.51.188.92]:48026) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8NFZ-0006mh-CZ for qemu-devel@nongnu.org; Fri, 14 Jan 2022 09:08:17 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:48435) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8NFX-0002pz-74 for qemu-devel@nongnu.org; Fri, 14 Jan 2022 09:08:17 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 63DE4B825F0; Fri, 14 Jan 2022 14:08:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE03FC36AEB; Fri, 14 Jan 2022 14:08:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642169285; bh=J8p1oxs0nGeqlmSeGlBKYJ/X1YzIZyUNxK+ulWeNgNQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uzZVZG9r6kp9C6WrM852w7CrdnR6PIprAum1ZCKr0ha8doJG/DgXpTaYYZ0ZtnZW3 41xEFtpcFW1krQaIQbsnj1NAKlXC1WQWY4x+CYGp9g3DyhBrOZNpoHgrc3FkN3MDM4 UUYcZgX0GrXnyqNqx5gqO7Cim7kxJBfflirfHXE2SAZHfjz37bSizl4vafFsBP9Un+ 5UtOWZaZbIK/EWChdDNwauT2H1trmipqL76O0exnWk49lhTEhOxaq09xe+T/+rWKDR e94FsetCYNweu5D01zuU+AG5oOcZoUWKq2kFvSQj1rFHyMfg5KS/BB/N/NxYNLBGnb JOhLLzyvpDe7A== Received: from sofa.misterjones.org ([185.219.108.64] helo=hot-poop.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1n8NFL-000V8K-4r; Fri, 14 Jan 2022 14:08:03 +0000 From: Marc Zyngier To: qemu-devel@nongnu.org Subject: [PATCH v5 2/6] hw/arm/virt: Add a control for the the highmem redistributors Date: Fri, 14 Jan 2022 14:07:37 +0000 Message-Id: <20220114140741.1358263-3-maz@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220114140741.1358263-1-maz@kernel.org> References: <20220114140741.1358263-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: qemu-devel@nongnu.org, drjones@redhat.com, eric.auger@redhat.com, peter.maydell@linaro.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Received-SPF: pass client-ip=145.40.68.75; envelope-from=maz@kernel.org; helo=ams.source.kernel.org X-Spam_score_int: -76 X-Spam_score: -7.7 X-Spam_bar: ------- X-Spam_report: (-7.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.595, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, 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: , Cc: Peter Maydell , Andrew Jones , kvm@vger.kernel.org, Eric Auger , kernel-team@android.com, kvmarm@lists.cs.columbia.edu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Just like we can control the enablement of the highmem PCIe region using highmem_ecam, let's add a control for the highmem GICv3 redistributor region. Similarily to highmem_ecam, these redistributors are disabled when highmem is off. Reviewed-by: Andrew Jones Signed-off-by: Marc Zyngier --- hw/arm/virt-acpi-build.c | 2 ++ hw/arm/virt.c | 2 ++ include/hw/arm/virt.h | 4 +++- 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 449fab0080..0757c28f69 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -947,6 +947,8 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables) acpi_add_table(table_offsets, tables_blob); build_fadt_rev5(tables_blob, tables->linker, vms, dsdt); + vms->highmem_redists &= vms->highmem; + acpi_add_table(table_offsets, tables_blob); build_madt(tables_blob, tables->linker, vms); diff --git a/hw/arm/virt.c b/hw/arm/virt.c index ed8ea96acc..e734a75850 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -2106,6 +2106,7 @@ static void machvirt_init(MachineState *machine) virt_flash_fdt(vms, sysmem, secure_sysmem ?: sysmem); vms->highmem_mmio &= vms->highmem; + vms->highmem_redists &= vms->highmem; create_gic(vms, sysmem); @@ -2805,6 +2806,7 @@ static void virt_instance_init(Object *obj) vms->highmem_ecam = !vmc->no_highmem_ecam; vms->highmem_mmio = true; + vms->highmem_redists = true; if (vmc->no_its) { vms->its = false; diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 9c54acd10d..dc9fa26faa 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -144,6 +144,7 @@ struct VirtMachineState { bool highmem; bool highmem_ecam; bool highmem_mmio; + bool highmem_redists; bool its; bool tcg_its; bool virt; @@ -190,7 +191,8 @@ static inline int virt_gicv3_redist_region_count(VirtMachineState *vms) assert(vms->gic_version == VIRT_GIC_VERSION_3); - return MACHINE(vms)->smp.cpus > redist0_capacity ? 2 : 1; + return (MACHINE(vms)->smp.cpus > redist0_capacity && + vms->highmem_redists) ? 2 : 1; } #endif /* QEMU_ARM_VIRT_H */ -- 2.30.2