From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDF7BC4338F for ; Wed, 4 Aug 2021 09:08:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8DA6360FC4 for ; Wed, 4 Aug 2021 09:08:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8DA6360FC4 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:References: Mime-Version:Message-Id:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=259CacKVtv7R5mEwuH6UP6Xo6rpFSlwabp7OGx7jIPg=; b=k4YTADSkCRhAi+iQg1aLm16anw jYmhtRICdF5hW/hh4n8U+6sXY89EwrN6hRMYCLWs4PDmu6E0eRBFTVsOttKUvy91DS8xSA0fXmFIz JeEvkN+mO7EbT4xKwwxZjiVMZUANg6OPfN2cmZTOPHasULJaDkFOgHLqTLuSWW96qwyKGqlSrqGWl sLSFq4vFiPb2NBVUl0T9vyGOKclOjNi6+G31wrkk43q7FvSeCqEVLfwQAkk6lGtqesSr3rOEWRKNM s3j6eGbKqdOWt39h0XhM5IukECUkKKmi3VQbws4DMPS/Of4VkvUgA4fgBS2Qv5wTS5Gdq8YUftx7H UG5Dj/9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBCqW-005Ivz-C3; Wed, 04 Aug 2021 09:05:54 +0000 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBCjj-005Fcq-UC for linux-arm-kernel@lists.infradead.org; Wed, 04 Aug 2021 08:58:53 +0000 Received: by mail-yb1-xb49.google.com with SMTP id g11-20020a25ae4b0000b02905792fb55b0bso2246877ybe.9 for ; Wed, 04 Aug 2021 01:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=kDlmZ2q+VtsAE3exEj8aYy6Fk3kSky3TCXUK2+oaNSo=; b=lzMCH9i930DInyi3TgFPeE0uphR3Msy4pTrV5RPcS66cl2mtNGs6v5FMcT24ugSCvu 9t2LTl5MeANnamFbgsOAhO26iTUlsALVuwLmAlCcO3GJ9l1hjsOAorK4kMvfpjtwNn0A BzurnpIA6EmR8GyK1/kV3LTsEcDNwzJRnnugFj0EUJxJYPmqNanYRpUqh9Iho74VI27e Za6PQgbIG636DV/zsqE46glgJvckLVfEpvZwIfocJHgnxj1mN/9rtgCngqSXNiD/Gw/d kHmREJP/0WVtk9MY2zVUvznJ0l9KvXjtClvLNoYeMw2fOuBBfPoJ8QZKRd6CAiszFLAJ PK5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=kDlmZ2q+VtsAE3exEj8aYy6Fk3kSky3TCXUK2+oaNSo=; b=JY3POypu40BWa5g0h2UBxB1hv//XiUPMe7fQpBhbiMFCPfTjPx8I3Nx/OtS0+ERDP7 CsYk57MdNTEjTKWqZZ3zSIA4ObPk6rgn1NyJbiKPWMlN8w5qvQy7XY2nTq2QibMw0LDQ hbBMtWpQGT7fg864ECqm5HaIQQx3FXJLHN2ywscmKUxvh8w1AlXMHWYJtWWoJej3FDqq 1MA30OjNuaFjKFj8En4SFBZ78sDDJsDlDd7Vc+kZFnouSOHd2GxM/tektpEjILyueMCj c0eE5klQIqUgLf3uuMDHQHixxN2I1QGTcfamj5goO1vamvM379QFEbKQP9ibjz6HXdTX qK2Q== X-Gm-Message-State: AOAM532FxkW+w6dO2XZZnKT6rqL+oXv+82DtT0z7czeWYVvwZu7UbEFV xGG3x0lRQfhlWejhwPyN8EYpewSqAPg= X-Google-Smtp-Source: ABdhPJwoa+pdRQxhpipLNFgpIp6Y6GN/h2wf96Y41BJ+I1JnXOOC4/K6kyDAjQKCzkOIoOhBQEk5G+hqcxc= X-Received: from oupton.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:404]) (user=oupton job=sendgmr) by 2002:a25:be48:: with SMTP id d8mr33406835ybm.521.1628067530295; Wed, 04 Aug 2021 01:58:50 -0700 (PDT) Date: Wed, 4 Aug 2021 08:58:12 +0000 In-Reply-To: <20210804085819.846610-1-oupton@google.com> Message-Id: <20210804085819.846610-15-oupton@google.com> Mime-Version: 1.0 References: <20210804085819.846610-1-oupton@google.com> X-Mailer: git-send-email 2.32.0.605.g8dce9f2422-goog Subject: [PATCH v6 14/21] selftests: KVM: Add helper to check for register presence From: Oliver Upton To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: Paolo Bonzini , Sean Christopherson , Marc Zyngier , Peter Shier , Jim Mattson , David Matlack , Ricardo Koller , Jing Zhang , Raghavendra Rao Anata , James Morse , Alexandru Elisei , Suzuki K Poulose , linux-arm-kernel@lists.infradead.org, Andrew Jones , Will Deacon , Catalin Marinas , Oliver Upton X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210804_015852_020614_70EEAE88 X-CRM114-Status: GOOD ( 12.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The KVM_GET_REG_LIST vCPU ioctl returns a list of supported registers for a given vCPU. Add a helper to check if a register exists in the list of supported registers. Signed-off-by: Oliver Upton --- .../testing/selftests/kvm/include/kvm_util.h | 2 ++ tools/testing/selftests/kvm/lib/kvm_util.c | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h index 1b3ef5757819..077082dd2ca7 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -215,6 +215,8 @@ void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu); void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu); + +bool vcpu_has_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t reg_id); void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg); void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg); #ifdef __KVM_HAVE_VCPU_EVENTS diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 0fe66ca6139a..a5801d4ed37d 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1823,6 +1823,25 @@ void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu) ret, errno, strerror(errno)); } +bool vcpu_has_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t reg_id) +{ + struct kvm_reg_list *list; + bool ret = false; + uint64_t i; + + list = vcpu_get_reg_list(vm, vcpuid); + + for (i = 0; i < list->n; i++) { + if (list->reg[i] == reg_id) { + ret = true; + break; + } + } + + free(list); + return ret; +} + void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg) { int ret; -- 2.32.0.605.g8dce9f2422-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel