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([177.94.42.59]) by smtp.gmail.com with ESMTPSA id a11-20020a170902eccb00b001b9cdf11764sm11268306plh.31.2023.09.26.11.40.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Sep 2023 11:40:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1695753643; x=1696358443; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=oIH4svuG9rAz+nAW3v3qOrSx3mRDh32/ViA6suYeCik=; b=cCRvXcfu2HquAgLbfnOe7Tei3yvohTMdOmeREJlCt0oM102R81K+pPTr79xmlCUMyW dpaM7I4V2HcILHb/CsfkP+zc90i5DdbUQh6Wdfn4dr2mAQhTlvoPT7w5fG+pD6jJwgGt PLh7HXfSTbelz1nlur3DhOpDNjtbKp7lTi/+nETinW2FmWx72Rk9yIFl6Cs04taV9DKy g/xR70zBui+AEs1U8n+gw6cACr9jJEJPqxK9C4kUahsfUWuMZs32wIWuQHc1e7kf4dDg nSW0TgwV0E/Z5ruq9oxqp50jbNjWLeRVcpVKDY5gZGTQKl6PM4QYSBhH2s/HZL1hHV8r laJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695753643; x=1696358443; h=content-transfer-encoding:mime-version: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=oIH4svuG9rAz+nAW3v3qOrSx3mRDh32/ViA6suYeCik=; b=Gw37ERki1V887QrhYfZyC9Qx4MsmIlouSaWFqrA5HKPlzEnonohb7Ava2gV52RB0rs Sp3R2n1yZuamZd6R/Twc0f2upIHJiPlyoIPZUQeJ6LWopPDyP9KlPJkK4YTll0Df5ObM 5g860qUlSdoEoJuOkcGvjKedMNYaay28GlExHdK4sEaqwmQgoQJH1FE7+/ZOF+mZYZvt cPk2eN0KVx6WBRQE/rVmZRow59UdvRcGaT+6D41FRhuL/lXGkmi+OAVnilFqNZWTsko/ yaXq6hC6bvfAiFCmDvhXFYVV4nUYdyq2oh2WtboVJ8Nq0ZJ0jU3EkOuuQacF28BHaoOS U1VQ== X-Gm-Message-State: AOJu0YzQlSHHJryO26N0A5ZAfPdlg95VA/lB1r7FYmB4YEwXaaxBdue6 PKk0BT0S3ZQGybldBg7XJfwjYPejXNStA2Fdt/I= X-Google-Smtp-Source: AGHT+IGoVDU/Go59Z5Cg/sW2MLzZiT97AqAa6Gcm5PxqjBsHOXer+yPZLpg2Z+EHiFPAAI7q1zZoHw== X-Received: by 2002:a05:6a20:1056:b0:14c:c9f6:d657 with SMTP id gt22-20020a056a20105600b0014cc9f6d657mr7809883pzc.22.1695753643200; Tue, 26 Sep 2023 11:40:43 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liweiwei@iscas.ac.cn, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, Daniel Henrique Barboza Subject: [PATCH v2 6/6] target/riscv/riscv-qmp-cmds.c: check CPU accel in query-cpu-model-expansion Date: Tue, 26 Sep 2023 15:40:19 -0300 Message-ID: <20230926184019.166352-7-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230926184019.166352-1-dbarboza@ventanamicro.com> References: <20230926184019.166352-1-dbarboza@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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::529; envelope-from=dbarboza@ventanamicro.com; helo=mail-pg1-x529.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 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 @ventanamicro.com) X-ZM-MESSAGEID: 1695753752810100001 Content-Type: text/plain; charset="utf-8" Use the recently added riscv_cpu_accelerator_compatible() to filter unavailable CPUs for a given accelerator. At this moment this is the case for a QEMU built with KVM and TCG support querying a binary running with TCG: qemu-system-riscv64 -S -M virt,accel=3Dtcg -display none -qmp tcp:localhost:1234,server,wait=3Doff ./qemu/scripts/qmp/qmp-shell localhost:1234 (QEMU) query-cpu-model-expansion type=3Dfull model=3D{"name":"host"} {"error": {"class": "GenericError", "desc": "'host' CPU not available with = tcg"}} Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis --- target/riscv/riscv-qmp-cmds.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/target/riscv/riscv-qmp-cmds.c b/target/riscv/riscv-qmp-cmds.c index 5b2d186c83..2f2dbae7c8 100644 --- a/target/riscv/riscv-qmp-cmds.c +++ b/target/riscv/riscv-qmp-cmds.c @@ -31,6 +31,8 @@ #include "qapi/qobject-input-visitor.h" #include "qapi/visitor.h" #include "qom/qom-qobject.h" +#include "sysemu/kvm.h" +#include "sysemu/tcg.h" #include "cpu-qom.h" #include "cpu.h" =20 @@ -63,6 +65,17 @@ CpuDefinitionInfoList *qmp_query_cpu_definitions(Error *= *errp) return cpu_list; } =20 +static void riscv_check_if_cpu_available(RISCVCPU *cpu, Error **errp) +{ + if (!riscv_cpu_accelerator_compatible(cpu)) { + g_autofree char *name =3D riscv_cpu_get_name(cpu); + const char *accel =3D kvm_enabled() ? "kvm" : "tcg"; + + error_setg(errp, "'%s' CPU not available with %s", name, accel); + return; + } +} + static void riscv_obj_add_qdict_prop(Object *obj, QDict *qdict_out, const char *name) { @@ -161,6 +174,13 @@ CpuModelExpansionInfo *qmp_query_cpu_model_expansion(C= puModelExpansionType type, =20 obj =3D object_new(object_class_get_name(oc)); =20 + riscv_check_if_cpu_available(RISCV_CPU(obj), &local_err); + if (local_err !=3D NULL) { + error_propagate(errp, local_err); + object_unref(obj); + return NULL; + } + if (qdict_in) { riscv_cpuobj_validate_qdict_in(obj, model->props, qdict_in, &local_err); --=20 2.41.0