From patchwork Thu Jul 13 08:43:54 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: 13311558 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 45471C001DC for ; Thu, 13 Jul 2023 08:45:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234440AbjGMIpU (ORCPT ); Thu, 13 Jul 2023 04:45:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234540AbjGMIo5 (ORCPT ); Thu, 13 Jul 2023 04:44:57 -0400 Received: from mail-oi1-x235.google.com (mail-oi1-x235.google.com [IPv6:2607:f8b0:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB4D2213C for ; Thu, 13 Jul 2023 01:44:23 -0700 (PDT) Received: by mail-oi1-x235.google.com with SMTP id 5614622812f47-3a36b309524so484357b6e.3 for ; Thu, 13 Jul 2023 01:44:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1689237863; x=1691829863; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=bRqQKtep7JWLgclLdUkli6/fChTnwWs+kTdTq5m30jU=; b=CTlKktPs+hY0cgE7CS2PUANVjOXYIGn9DpU2fh7mMW2HZEQy1ymS0r+QkdZU1bdjGB P2H/jtF17Wexhc+P++LOh0FtkHw9ToVJYYkmJ2R+46Pq+yCVcBYwEa6sNddZeYTAQG93 F9Re91F5WlS3VTETLFEyPWpb8ZNnRWYnopTN/k1Y1tVgM4Q3WhYSiZEb5INzk1ZCWmZy Ht6uHxlWh/bDhXre4KQ3q292Ebz8ayR2ctMZrSgTwIWEJnL9HCOIKtH7CssMxSprI1gQ basdybVGjqRuPOKpJ+sCLh4s5/DYF6oxFOrVQwIq/hKuKNAcy/cCYqRf8VrmJrBEBlX/ xwhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689237863; x=1691829863; 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=bRqQKtep7JWLgclLdUkli6/fChTnwWs+kTdTq5m30jU=; b=CdRuGkK+hLEEc8Pk/SJhKo9xM0BLGLMOIG3p2aVy6ztEXMOEeuFG9H2dMbATI3lAQE Ngbxe4Uo3EhkJ4eZHhZpXP0VQwvdpHxUcLnMojLCd0hCSdTMwLwPKraHSKVcL/5Gs4jS wAk1ESZTDzPxb0tvqfqpMWKNkoGeAodQ87bEKuibVqYvtWxKV8K9yyDn+xBNNpGtyZzY omhkpNNvwvmGglbBTYcIMF+Xsf+cFXqa3wrqUwuw0YcKJvZtdv5r0I+NUPTg1LtB6P5m BxZTinxEs2DbLcij9doPqZg2o+AAT3MdBj8fl+gCpyvlayGYvktzocyPoS+NJa/fE1DY AZ9g== X-Gm-Message-State: ABy/qLaTWoqawal5yDEki1Z4rlf2uYIZ0Y+KeB9eMwtPbD2pDdgXPrYn 90ErpFGsM9H+RYxfgf5WyN+QPg== X-Google-Smtp-Source: APBJJlEwvjQxj7TZ0LJFULoNQDbfGWViUSUPEKbUpl3Uk7rotzEbi31NqIdsDVgZwphMV9Wf+7w6Vw== X-Received: by 2002:a05:6358:70d:b0:133:26e4:afb2 with SMTP id e13-20020a056358070d00b0013326e4afb2mr2045730rwj.3.1689237863041; Thu, 13 Jul 2023 01:44:23 -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 c10-20020a63724a000000b0055386b1415dsm4989198pgn.51.2023.07.13.01.44.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jul 2023 01:44:22 -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 v5 2/5] target/riscv: check the in-kernel irqchip support Date: Thu, 13 Jul 2023 08:43:54 +0000 Message-Id: <20230713084405.24545-3-yongxuan.wang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230713084405.24545-1-yongxuan.wang@sifive.com> References: <20230713084405.24545-1-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)