From nobody Mon Feb 9 16:34:55 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 170.10.129.124 as permitted sender) client-ip=170.10.129.124; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-delivery-124.mimecast.com; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail(p=quarantine dis=quarantine) header.from=huawei.com Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.zohomail.com with SMTPS id 1641975242563313.4883672043835; Wed, 12 Jan 2022 00:14:02 -0800 (PST) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-357-irMyJUCZM_q7ja6O0TaHbw-1; Wed, 12 Jan 2022 03:13:57 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 60DD881EE67; Wed, 12 Jan 2022 08:13:51 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3F3DA7B9FC; Wed, 12 Jan 2022 08:13:51 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 0C1461802E2B; Wed, 12 Jan 2022 08:13:51 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 20C8DnJh014180 for ; Wed, 12 Jan 2022 03:13:50 -0500 Received: by smtp.corp.redhat.com (Postfix) id CD7AC2166B17; Wed, 12 Jan 2022 08:13:49 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast03.extmail.prod.ext.rdu2.redhat.com [10.11.55.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C52692166B4D for ; Wed, 12 Jan 2022 08:13:46 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C32E8811E80 for ; Wed, 12 Jan 2022 08:13:46 +0000 (UTC) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-100-c5QZa2trPxKAKNiRcmaM4w-1; Wed, 12 Jan 2022 03:13:44 -0500 Received: from kwepemi100008.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4JYgKn5NpSzbjsF; Wed, 12 Jan 2022 16:13:01 +0800 (CST) Received: from kwepemm600017.china.huawei.com (7.193.23.234) by kwepemi100008.china.huawei.com (7.221.188.57) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 12 Jan 2022 16:13:41 +0800 Received: from huawei.com (10.174.186.236) by kwepemm600017.china.huawei.com (7.193.23.234) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 12 Jan 2022 16:13:39 +0800 X-MC-Unique: irMyJUCZM_q7ja6O0TaHbw-1 X-MC-Unique: c5QZa2trPxKAKNiRcmaM4w-1 From: Yifei Jiang To: , Subject: [PATCH v5 03/13] target/riscv: Implement function kvm_arch_init_vcpu Date: Wed, 12 Jan 2022 16:13:19 +0800 Message-ID: <20220112081329.1835-4-jiangyifei@huawei.com> In-Reply-To: <20220112081329.1835-1-jiangyifei@huawei.com> References: <20220112081329.1835-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.236] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600017.china.huawei.com (7.193.23.234) X-CFilter-Loop: Reflected X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: libvir-list@redhat.com Cc: Anup Patel , Mingwang Li , kvm@vger.kernel.org, libvir-list@redhat.com, bin.meng@windriver.com, wanbo13@huawei.com, Yifei Jiang , Alistair Francis , kvm-riscv@lists.infradead.org, wanghaibin.wang@huawei.com, palmer@dabbelt.com, fanliang@huawei.com, wu.wubin@huawei.com X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1641975243943100005 Content-Type: text/plain; charset="utf-8" Get isa info from kvm while kvm init. Signed-off-by: Yifei Jiang Signed-off-by: Mingwang Li Reviewed-by: Alistair Francis Reviewed-by: Anup Patel --- target/riscv/kvm.c | 34 +++++++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c index 687dd4b621..9e66b4a97f 100644 --- a/target/riscv/kvm.c +++ b/target/riscv/kvm.c @@ -38,6 +38,24 @@ #include "qemu/log.h" #include "hw/loader.h" =20 +static uint64_t kvm_riscv_reg_id(CPURISCVState *env, uint64_t type, + uint64_t idx) +{ + uint64_t id =3D KVM_REG_RISCV | type | idx; + + switch (riscv_cpu_mxl(env)) { + case MXL_RV32: + id |=3D KVM_REG_SIZE_U32; + break; + case MXL_RV64: + id |=3D KVM_REG_SIZE_U64; + break; + default: + g_assert_not_reached(); + } + return id; +} + const KVMCapabilityInfo kvm_arch_required_capabilities[] =3D { KVM_CAP_LAST_INFO }; @@ -79,7 +97,21 @@ void kvm_arch_init_irq_routing(KVMState *s) =20 int kvm_arch_init_vcpu(CPUState *cs) { - return 0; + int ret =3D 0; + target_ulong isa; + RISCVCPU *cpu =3D RISCV_CPU(cs); + CPURISCVState *env =3D &cpu->env; + uint64_t id; + + id =3D kvm_riscv_reg_id(env, KVM_REG_RISCV_CONFIG, + KVM_REG_RISCV_CONFIG_REG(isa)); + ret =3D kvm_get_one_reg(cs, id, &isa); + if (ret) { + return ret; + } + env->misa_ext =3D isa; + + return ret; } =20 int kvm_arch_msi_data_to_gsi(uint32_t data) --=20 2.19.1