From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C199606A326 for ; Wed, 4 Nov 2026 08:49:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=dDWWMUR/; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=k8mGENjt DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; bh=lHuHnqCqF6K6uaueK6Sr4c00lW3mD3+MLoiZXuZlni4=; b=dDWWMUR/Q6Fagy eaIBL1MY8KHzVRhRivhsJuwsuQ4U33F14m8yyBnNhDmOmUXdmR8QSjYE59TFwgEBNfdW83vKKcYTy H2xipj1Xb28SzwEAHp9UA3a4Pb7PCQW8D3pKzYW8PUalBly3yEa/nJyPA7CxckSwtMQUjzPj3wiPk EHjUvYO+uBl65Z4GzrXY21rq6gU3rsFxZNkUF1dk0XVchdoX/gk7TCkwen/WrUQ5121VaWkgdSLl4 6xQ2ZtKXtOKHbokss9UvoRgxlW2NSOaFTVs3Qyuv0ZFHPFKhfZYlx/A79LCxOoag/8GuOKtgMafaa ktiPg114ykBP7jCsCrrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOWg1-00000004l48-1iY8; Wed, 04 Nov 2026 08:49:01 +0000 Received: from out-187.mta0.migadu.com ([2001:41d0:1004:224b::bb] helo=mta0.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOWfz-00000004l2h-1nU6 for linux-arm-kernel@lists.infradead.org; Wed, 04 Nov 2026 08:49:00 +0000 X-Envelope-To: linux-arm-kernel@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=cCLqiN/2yb0grwWK9kGanBFuqdVWEkSHBIBzeKIBjnY=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1793782137; v=1; x=1794386937; b=k8mGENjt6dpqYvnBkvT/loF7Zxaf3ScEyYErTu3eE+QxXOcDNiFhEVco2fqWxrsACR0kKJa3 1R7OoXPvewqN2DBVVdOmm2wYkdK6PgiIcDMQ7W9OkmOD3cmvt0/KvI1IV8/toDTmyv/vBhvEU5i 9uav8D7+ZITB93Tnjtqs3nak= X-Envelope-To: linux-arm-kernel@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id afd5417ac097421f; Wed, 04 Nov 2026 08:48:57 +0000 X-Mizu-Trace-ID: afd5417ac097421f X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: Marc Zyngier , Oliver Upton Cc: Will Deacon , Paolo Bonzini , Sean Christopherson , Shuah Khan , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Vincent Donnefort , Quentin Perret , Fuad Tabba , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/16] KVM: selftests: Allow arm64 tests to create protected VMs Date: Wed, 4 Nov 2026 08:48:28 +0000 Message-ID: <20261104084842.132944-3-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261104084842.132944-1-fuad.tabba@linux.dev> References: <20261104084842.132944-1-fuad.tabba@linux.dev> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261104_004859_605621_1DC95D9D X-CRM114-Status: GOOD ( 11.54 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On arm64, the VM type passed to KVM_CREATE_VM carries the IPA size, which the selftest library fills in. The library rejects any type a test provides in vm_shape.type. A protected VM is created by setting KVM_VM_TYPE_ARM_PROTECTED in that type, so a test can't create one. Accept KVM_VM_TYPE_ARM_PROTECTED from the test, and add the IPA size to it as for any other VM. Signed-off-by: Fuad Tabba --- tools/testing/selftests/kvm/lib/kvm_util.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index d42e201eba763..96c1e70dba3d3 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -400,9 +400,10 @@ struct kvm_vm *____vm_create(struct vm_shape shape) } #ifdef __aarch64__ - TEST_ASSERT(!vm->type, "ARM doesn't support test-provided types"); + TEST_ASSERT(!(vm->type & ~KVM_VM_TYPE_ARM_PROTECTED), + "ARM supports only KVM_VM_TYPE_ARM_PROTECTED as a test-provided type"); if (vm->pa_bits != 40) - vm->type = KVM_VM_TYPE_ARM_IPA_SIZE(vm->pa_bits); + vm->type |= KVM_VM_TYPE_ARM_IPA_SIZE(vm->pa_bits); #endif vm_open(vm); -- 2.47.3