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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5FC6DC001B0 for ; Tue, 15 Aug 2023 18:48:14 +0000 (UTC) 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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=A0DiL6W01W2rfMG4SLnbUN9jHMITn6574mfU5CkxeqE=; b=PMM4Q2f9SzaVGU RcWzC0/CfCmMpMH+sd1cgbDke0e5vaGigjIs6uB65U0GxbDpxTr53mD8mQlX+0xLbLjyhrTPBF2mS c1cGX/dxhv9oIde75cxIJDyXP47ByB2MWAABjIh2T9VGlAj77kAZYtf0BKK0BqA7aKcIhQhkfHK1u r/TOVMvVeRHG5aBp559i227iFXRNKR0KYlGVVfLfHRpTjZqCX74edQbkE1ErORxXQFily6k6xAqIR jINS4dGIOHpS58Vzqqsq4eTyStVaRsgt2pBto2oJspn5Yxk86pG7MM15Q6rDul+vKqr/gY+GfH/Bj AnlkMRG8IMFLA9eG6A7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVz53-002DVQ-0y; Tue, 15 Aug 2023 18:47:49 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVz4h-002DJd-29 for linux-arm-kernel@lists.infradead.org; Tue, 15 Aug 2023 18:47:28 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3537765F9E; Tue, 15 Aug 2023 18:47:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8FEA8C433C7; Tue, 15 Aug 2023 18:47:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692125246; bh=v14IojDp6AXMlyxigixKTDbkS10hBLsvxT+YL2CxH+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qDghxZs4koXx7ry+ilWYnZMhGNyAeAiUsdk1dKO2dPuUuSoKYMb/ZMAA0qJ6cRkOC 10iOScIX/uIXzrOPHgaLRX7eR9KnDkoYnA9w+/fWqA+VWaV9y+hDsOqMIo3MpPlS0B jOH7kM3JavT+GNKI9xPJeq4zmep65L4oMEZKeclnSz+N/vSaH6aAxldb7WXIrmtIyk sx5k6cK8B02L+fDpLsri+pv2rfb8/ps0bI6+Yigo2mQABMHX9lIDvpcEdFIFryahYf M0b8ANRATdO1NXORWel2fUJrfiV76eLgwVUE2TnMGkeENa4ZY3IvXjTVZsb0NJfppO ivpXUJAf/+6EQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qVyws-0055Sd-8g; Tue, 15 Aug 2023 19:39:22 +0100 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Eric Auger , Mark Brown , Mark Rutland , Will Deacon , Alexandru Elisei , Andre Przywara , Chase Conklin , Ganapatrao Kulkarni , Darren Hart , Miguel Luis , Jing Zhang , James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu Subject: [PATCH v4 26/28] KVM: arm64: nv: Expose FGT to nested guests Date: Tue, 15 Aug 2023 19:39:00 +0100 Message-Id: <20230815183903.2735724-27-maz@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230815183903.2735724-1-maz@kernel.org> References: <20230815183903.2735724-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, eric.auger@redhat.com, broonie@kernel.org, mark.rutland@arm.com, will@kernel.org, alexandru.elisei@arm.com, andre.przywara@arm.com, chase.conklin@arm.com, gankulkarni@os.amperecomputing.com, darren@os.amperecomputing.com, miguel.luis@oracle.com, jingzhangos@google.com, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230815_114727_742792_B10EBE65 X-CRM114-Status: GOOD ( 13.26 ) 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 Now that we have FGT support, expose the feature to NV guests. Reviewed-by: Eric Auger Signed-off-by: Marc Zyngier --- arch/arm64/kvm/nested.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c index 7f80f385d9e8..3facd8918ae3 100644 --- a/arch/arm64/kvm/nested.c +++ b/arch/arm64/kvm/nested.c @@ -71,8 +71,9 @@ void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p, break; case SYS_ID_AA64MMFR0_EL1: - /* Hide ECV, FGT, ExS, Secure Memory */ - val &= ~(GENMASK_ULL(63, 43) | + /* Hide ECV, ExS, Secure Memory */ + val &= ~(NV_FTR(MMFR0, ECV) | + NV_FTR(MMFR0, EXS) | NV_FTR(MMFR0, TGRAN4_2) | NV_FTR(MMFR0, TGRAN16_2) | NV_FTR(MMFR0, TGRAN64_2) | -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel