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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id m24-20020a170902bb9800b001a94a497b50sm2429150pls.20.2023.05.25.23.25.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 May 2023 23:25:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1685082330; x=1687674330; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=dfZLHLenIMrmO0jB1mDUgnBqGDCRWU9RcEAKqrqYqAE=; b=i6YXnEHHRZcYV9PvNABDtI6eQRHR9T/UAF6RJlRt3uxKrS3FRQq4tSDVs8Pw6yeHFH yhWjiVXG3iWmkEqMCwvJTPXpLXPDQj56DTCdFQDYg4wu6jZOrjOStci38FHiHto7vLTY pBO9aUfBiRm9TnsZHWLyP6u32KsGDLRY0I+XxbeHjK1anUJG/xfc9CNn9EM3VBM8HEB/ XlPNp6WQ7bA9kI3ErFRdjRDeMStVHXiAgYnQTUNFI/RyC7dtmFtAkw3tIIglof7ZKDyh FQrAKOoa1vfO/8N1RvOfn9EjtMb4t8qaxypBWFS/zHsZtKXWiRfvRmF6Qqs4oieM9FhO dIhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685082330; x=1687674330; 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=dfZLHLenIMrmO0jB1mDUgnBqGDCRWU9RcEAKqrqYqAE=; b=E8t6mjdBIpNXEoHi5ChXHvhDL3oFa3N4d5J12dyK3CI4pEeV3+fQycARPKXRDC6tBF E8VCaFTYXaduIfhjE+92YLiT35amWv5n30jkVtxQlVbHvYJNel8GAseYPW68tYdAqfv6 Ip47m4Nej89cw1CVx/4hHaRjXufbQjJlCCn9E/dM+Kke6X82HUAhtiPoPeaysbrDmoFi 0xyNItDY5vLCyTkQke88Jpru86bAAisgusohUnVbYJH09HC9LXAcMb2PA+ZsMUNDTEhg 9SIeURdJo5YH5HWvtQV1hs30UJY0LCmUTSi3EYISG8ztwMObCyq9wU+Uz/MA31Vj6z46 797A== X-Gm-Message-State: AC+VfDy9zEDjKUdLeUN7cZMNWg4KysN6MI0IVKMqqfK0sUSLT9MCJ5hD Np9kQMHIWi4yram0XcwLlw8nWLN+kEPkP5QDjVuYeewUlyuPFkkRbGh01tR+PyT6afLl+LAVtI9 AJ70+ikLtM/c2paYp1NviXzp1tuGe+c3qvkzkIScuAZLfW7vK756IUnsz49hppLKsL7Udqo+6s1 DRtEIu X-Google-Smtp-Source: ACHHUZ5WevrNwpEUd09OMlCMcDFl3OE+OQQn7rZ71gbWoj0Tp4n/zT3Iqf3ICCPuop30Pk2qUImn3A== X-Received: by 2002:a17:902:eacb:b0:1af:a2a4:8386 with SMTP id p11-20020a170902eacb00b001afa2a48386mr1442476pld.38.1685082330441; Thu, 25 May 2023 23:25:30 -0700 (PDT) From: Yong-Xuan Wang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org, rkanwal@rivosinc.com, anup@brainfault.org, dbarboza@ventanamicro.com, atishp@atishpatra.org, vincent.chen@sifive.com, greentime.hu@sifive.com, frank.chang@sifive.com, jim.shu@sifive.com Cc: Yong-Xuan Wang , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Liu Zhiwei , Paolo Bonzini , kvm@vger.kernel.org Subject: [PATCH v3 3/6] target/riscv: check the in-kernel irqchip support Date: Fri, 26 May 2023 06:25:03 +0000 Message-Id: <20230526062509.31682-4-yongxuan.wang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230526062509.31682-1-yongxuan.wang@sifive.com> References: <20230526062509.31682-1-yongxuan.wang@sifive.com> 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=2607:f8b0:4864:20::633; envelope-from=yongxuan.wang@sifive.com; helo=mail-pl1-x633.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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 @sifive.com) X-ZM-MESSAGEID: 1685082433937100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 --- target/riscv/kvm.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c index 0f932a5b96..eb469e8ca5 100644 --- a/target/riscv/kvm.c +++ b/target/riscv/kvm.c @@ -433,7 +433,18 @@ int kvm_arch_init(MachineState *ms, KVMState *s) =20 int kvm_arch_irqchip_create(KVMState *s) { - return 0; + if (kvm_kernel_irqchip_split()) { + error_report("-machine kernel_irqchip=3Dsplit is not supported " + "on RISC-V."); + exit(1); + } + + /* + * If we can create the VAIA using the newer device control API, we + * let the device do this when it initializes itself, otherwise we + * fall back to the old API + */ + return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL); } =20 int kvm_arch_process_async_events(CPUState *cs) --=20 2.17.1