From patchwork Fri Jul 14 08:44:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yong-Xuan Wang X-Patchwork-Id: 13313271 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E10DC0015E for ; Fri, 14 Jul 2023 08:45:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235543AbjGNIpL (ORCPT ); Fri, 14 Jul 2023 04:45:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235587AbjGNIov (ORCPT ); Fri, 14 Jul 2023 04:44:51 -0400 Received: from mail-ot1-x334.google.com (mail-ot1-x334.google.com [IPv6:2607:f8b0:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B62572726 for ; Fri, 14 Jul 2023 01:44:44 -0700 (PDT) Received: by mail-ot1-x334.google.com with SMTP id 46e09a7af769-6b91ad1f9c1so1339581a34.3 for ; Fri, 14 Jul 2023 01:44:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1689324284; x=1691916284; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=GfEVzfDMM3KV/MRFcXCu/fGQgJk4J1J61XVMjT70iMs=; b=e1yvwM1JnNOK5nmqmWByk3B6LXVJm4gsB0kJJZ93hMZynFWSjhMxwqLzsiDycAqsTS Ho45m6z2X0Qdy4obZJOdTzMMbJlyFvdYAQ/vR+xO+wNFVGjMEcqa7Gg64XnQXbV2VJc/ hBDMNfOHTWFMphIHhbHberq8PAmG4bsnXX0yqUcKAsiiTYEj+dUm3LklVxRp4xVwBGTk nNohUxYuTc9bJGAZa3gmBuLvkrxlJZFO2hN50SMmpNS+2Xe51PuBbs9e62Gg8OOiJLuk ll9OSDidlJP9k6yMF4SoZfT+5GsUcQBa3boApro6qXRm/p0sC2S9FlrP5qv7DHNUSxcB RWhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689324284; x=1691916284; h=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=GfEVzfDMM3KV/MRFcXCu/fGQgJk4J1J61XVMjT70iMs=; b=hMqNnItxXs+p2RNq93BeCFAdKgqUVtWpr/MUAaVZ+kghUkejUgNZfA2e7ZMtWHcBFz I9+Z7pQPl8qOOZS7ghy4lRw0KdoXtsF5fhvL9Tfv9SRTb8u1TG+vllYnA4D2a0+NSkEp 4yM4kX4G/jnDo3/9OfLxzuucV/C0mboEjew2tPtaCundk8qh+RgIVI/GLJ8S3zU7A8yi yXhsO5EnGX2cL+ZUJP1t4WLVlObNGzrpvKhbslT6tYxUjrFvJuU1q3zETokSBXL4/HoU XSaMXXI4+T9GdN9j8jGfGCD9fqzaLRc3nIKZCqCpAIaBFiJVriO1kzOF7PDaOhqcG83S C0bw== X-Gm-Message-State: ABy/qLbykz2ZAlaHLTUz458IBbHyYy1VkFsbr0xmdNKPeQ51XtJ7YuIU D5sdbyztxk7DRjcV+mdSqJKVLg== X-Google-Smtp-Source: APBJJlGarhaXYAwO0vEVi4wHfBWRjjM8l1WYOGhZJum/Z7QpEgy5OtqK8hLRoFYfq0TSANWd/P5IZQ== X-Received: by 2002:a05:6358:714:b0:132:d0d2:7cdf with SMTP id e20-20020a056358071400b00132d0d27cdfmr4341137rwj.6.1689324283922; Fri, 14 Jul 2023 01:44:43 -0700 (PDT) Received: from hsinchu26.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id c19-20020aa781d3000000b006829b28b393sm6616305pfn.199.2023.07.14.01.44.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Jul 2023 01:44:43 -0700 (PDT) From: Yong-Xuan Wang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: rkanwal@rivosinc.com, anup@brainfault.org, dbarboza@ventanamicro.com, ajones@ventanamicro.com, atishp@atishpatra.org, vincent.chen@sifive.com, greentime.hu@sifive.com, frank.chang@sifive.com, jim.shu@sifive.com, Yong-Xuan Wang , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Liu Zhiwei , Paolo Bonzini , kvm@vger.kernel.org Subject: [PATCH v6 2/5] target/riscv: check the in-kernel irqchip support Date: Fri, 14 Jul 2023 08:44:24 +0000 Message-Id: <20230714084429.22349-3-yongxuan.wang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230714084429.22349-1-yongxuan.wang@sifive.com> References: <20230714084429.22349-1-yongxuan.wang@sifive.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org We check the in-kernel irqchip support when using KVM acceleration. Signed-off-by: Yong-Xuan Wang Reviewed-by: Jim Shu Reviewed-by: Daniel Henrique Barboza Reviewed-by: Andrew Jones --- target/riscv/kvm.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c index 9d8a8982f9..005e054604 100644 --- a/target/riscv/kvm.c +++ b/target/riscv/kvm.c @@ -914,7 +914,15 @@ int kvm_arch_init(MachineState *ms, KVMState *s) int kvm_arch_irqchip_create(KVMState *s) { - return 0; + if (kvm_kernel_irqchip_split()) { + error_report("-machine kernel_irqchip=split is not supported on RISC-V."); + exit(1); + } + + /* + * We can create the VAIA using the newer device control API. + */ + return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL); } int kvm_arch_process_async_events(CPUState *cs)