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 42A0F606D80D for ; Mon, 9 Nov 2026 08:49:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=PFUhZPiD; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=hkKMsnlC 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=BcLq5g72+s7ounklw3j61AqvGiqhGMXsRHaqCza01SA=; b=PFUhZPiDSngQvy UbZsosa+8twU6GKO1ORbK37IGvxtBC/hk9hHZ5CVNSKp+Wk1b2H/vr5H851NUyhjXS2+XQUcAGlMm y+FNo61fb9liOOJWkNjxYo/tuSVQxLF3VxOHLqcOnXo5PzWplW5hHIru7Nour8qa10cajyblHgecu DT2m3gHqv1vLWrIV56MsSuJzskehRGFKIyyMhus+mCeF50QosmiEhY0U0q5VuvRHggOGVVFHVSLRR HAG0ShzM0kqDg8k5GcwwdfkJSw8NzyqkD4RZ3lG/ssNBblLpCyfwv/NIGFt/ykvpTNfB8jNPalajL EMpTI2fsolSEjei8RaTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQL3n-0000000077S-0vx8; Mon, 09 Nov 2026 08:49:03 +0000 Received: from out-118.mta1.migadu.com ([95.215.58.118] helo=mta1.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQL3j-0000000074z-2gei for linux-arm-kernel@lists.infradead.org; Mon, 09 Nov 2026 08:49:00 +0000 X-Envelope-To: linux-arm-kernel@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=te8jt4hj3WwWfmT6OnfZqS4yAyifEnlgJtAVzuRwM5k=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794214137; v=1; x=1794818937; b=hkKMsnlC9YHHEVYjusHC2USNtLneCUCRGfnUXE57MNoPcF5cKR21y6HKN+7+aojhrIwL5or6 cUzAO4BopmaYridgsEHWhteuykAVamolvZMOIPMWEHzQCe2N2iqxbVeOD17ew10xebz5rzYPFGQ AQCtipsHJHorr+4+zRcYlF2g= X-Envelope-To: linux-arm-kernel@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id 1bbb010ddd9ebf9b; Mon, 09 Nov 2026 08:48:57 +0000 X-Mizu-Trace-ID: 1bbb010ddd9ebf9b X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: Marc Zyngier , Oliver Upton Cc: Will Deacon , Catalin Marinas , Mark Rutland , 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 v2 03/19] KVM: selftests: Allow arm64 tests to create protected VMs Date: Mon, 9 Nov 2026 08:48:38 +0000 Message-ID: <20261109084854.840576-4-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261109084854.840576-1-fuad.tabba@linux.dev> References: <20261109084854.840576-1-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-20261109_004859_823545_77AAE8C3 X-CRM114-Status: GOOD ( 12.02 ) X-Spam-Score: -2.8 (--) 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. Reviewed-by: Joey Gouly 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