From patchwork Mon May 15 17:30:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 13241968 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78DA3C77B75 for ; Mon, 15 May 2023 17:50:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244882AbjEORuc (ORCPT ); Mon, 15 May 2023 13:50:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244694AbjEORuD (ORCPT ); Mon, 15 May 2023 13:50:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E4631CA40 for ; Mon, 15 May 2023 10:48:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 699AB62F26 for ; Mon, 15 May 2023 17:48:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AAB61C433EF; Mon, 15 May 2023 17:48:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684172881; bh=0FqIGLYVaCXaCuF3bynbn1HuxGMQSRt/G9y2+sdKNxQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p92DDGXzC0pLQjWZc8HbhuVjLax+Dl1Ns+IePYQbPMwj6AkAKNmEo5IFrGwkM//cz Xc1PDg0eOKtWzR9utKHzZxl2cHNmgDclvtrgJDMakbI94pEM4DsHLOWKhC8Z5mwNim SeHHWSMjoyAJsXXqmbkM8PuOA7pjHmJc2Fhm/N4vNxdu8cEr8eeCJosajqF5X9trWF SYqRytw0megkKIeinvsslfRzb/h5+oi8ri9qYxoAwUUpJ+3k+QuHU98h8NhfttrdQ/ gdK1vOOmgbLTmC1RcnuZH2pVjghE/34CDrHsqMMnsrFQ7o2knTnOOABkOqx4AQjpO7 Gn+aolZSuAflg== 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 1pyc2g-00FJAF-DV; Mon, 15 May 2023 18:31:26 +0100 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Alexandru Elisei , Andre Przywara , Chase Conklin , Christoffer Dall , Ganapatrao Kulkarni , Darren Hart , Jintack Lim , Russell King , Miguel Luis , James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu Subject: [PATCH v10 12/59] KVM: arm64: nv: Add trap forwarding for MDCR_EL2 Date: Mon, 15 May 2023 18:30:16 +0100 Message-Id: <20230515173103.1017669-13-maz@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230515173103.1017669-1-maz@kernel.org> References: <20230515173103.1017669-1-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, alexandru.elisei@arm.com, andre.przywara@arm.com, chase.conklin@arm.com, christoffer.dall@arm.com, gankulkarni@os.amperecomputing.com, darren@os.amperecomputing.com, jintack@cs.columbia.edu, rmk+kernel@armlinux.org.uk, miguel.luis@oracle.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 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Describe the MDCR_EL2 register, and associate it with all the sysregs it allows to trap. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/emulate-nested.c | 204 ++++++++++++++++++++++++++++++++ 1 file changed, 204 insertions(+) diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 8be331e5de9d..1e2fe192c9a4 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -65,6 +65,18 @@ enum coarse_grain_trap_id { CGT_HCR_TTLBIS, CGT_HCR_TTLBOS, + CGT_MDCR_TPMCR, + CGT_MDCR_TPM, + CGT_MDCR_TDE, + CGT_MDCR_TDA, + CGT_MDCR_TDOSA, + CGT_MDCR_TDRA, + CGT_MDCR_E2PB, + CGT_MDCR_TPMS, + CGT_MDCR_TTRF, + CGT_MDCR_E2TB, + CGT_MDCR_TDCC, + /* * Anything after this point is a combination of trap controls, * which all must be evaluated to decide what to do. @@ -78,6 +90,11 @@ enum coarse_grain_trap_id { CGT_HCR_TPU_TICAB, CGT_HCR_TPU_TOCU, CGT_HCR_NV1_ENSCXT, + CGT_MDCR_TPM_TPMCR, + CGT_MDCR_TDE_TDA, + CGT_MDCR_TDE_TDOSA, + CGT_MDCR_TDE_TDRA, + CGT_MDCR_TDCC_TDE_TDA, /* * Anything after this point requires a callback evaluating a @@ -249,6 +266,72 @@ static const struct trap_bits coarse_trap_bits[] = { .mask = HCR_TTLBOS, .behaviour = BEHAVE_FORWARD_ANY, }, + [CGT_MDCR_TPMCR] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TPMCR, + .mask = MDCR_EL2_TPMCR, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TPM] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TPM, + .mask = MDCR_EL2_TPM, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TDE] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TDE, + .mask = MDCR_EL2_TDE, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TDA] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TDA, + .mask = MDCR_EL2_TDA, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TDOSA] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TDOSA, + .mask = MDCR_EL2_TDOSA, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TDRA] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TDRA, + .mask = MDCR_EL2_TDRA, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_E2PB] = { + .index = MDCR_EL2, + .value = 0, + .mask = BIT(MDCR_EL2_E2PB_SHIFT), + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TPMS] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TPMS, + .mask = MDCR_EL2_TPMS, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TTRF] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TTRF, + .mask = MDCR_EL2_TTRF, + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_E2TB] = { + .index = MDCR_EL2, + .value = 0, + .mask = BIT(MDCR_EL2_E2TB_SHIFT), + .behaviour = BEHAVE_FORWARD_ANY, + }, + [CGT_MDCR_TDCC] = { + .index = MDCR_EL2, + .value = MDCR_EL2_TDCC, + .mask = MDCR_EL2_TDCC, + .behaviour = BEHAVE_FORWARD_ANY, + }, }; #define MCB(id, ...) \ @@ -266,6 +349,11 @@ static const enum coarse_grain_trap_id *coarse_control_combo[] = { MCB(CGT_HCR_TPU_TICAB, CGT_HCR_TPU, CGT_HCR_TICAB), MCB(CGT_HCR_TPU_TOCU, CGT_HCR_TPU, CGT_HCR_TOCU), MCB(CGT_HCR_NV1_ENSCXT, CGT_HCR_NV1, CGT_HCR_ENSCXT), + MCB(CGT_MDCR_TPM_TPMCR, CGT_MDCR_TPM, CGT_MDCR_TPMCR), + MCB(CGT_MDCR_TDE_TDA, CGT_MDCR_TDE, CGT_MDCR_TDA), + MCB(CGT_MDCR_TDE_TDOSA, CGT_MDCR_TDE, CGT_MDCR_TDOSA), + MCB(CGT_MDCR_TDE_TDRA, CGT_MDCR_TDE, CGT_MDCR_TDRA), + MCB(CGT_MDCR_TDCC_TDE_TDA, CGT_MDCR_TDCC, CGT_MDCR_TDE_TDA), }; typedef enum trap_behaviour (*complex_condition_check)(struct kvm_vcpu *); @@ -565,6 +653,122 @@ static const struct encoding_to_trap_configs encoding_to_traps[] __initdata = { SR_RANGE_TRAP(sys_reg(3, 0, 5, 4, 4), sys_reg(3, 0, 5, 4, 6), CGT_HCR_FIEN), SR_TRAP(SYS_SCXTNUM_EL0, CGT_HCR_ENSCXT), + SR_TRAP(SYS_PMCR_EL0, CGT_MDCR_TPM_TPMCR), + SR_TRAP(SYS_PMCNTENSET_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMCNTENCLR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMOVSSET_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMOVSCLR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMCEID0_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMCEID1_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMXEVTYPER_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMSWINC_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMSELR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMXEVCNTR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMCCNTR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMUSERENR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_PMINTENSET_EL1, CGT_MDCR_TPM), + SR_TRAP(SYS_PMINTENCLR_EL1, CGT_MDCR_TPM), + SR_TRAP(SYS_PMMIR_EL1, CGT_MDCR_TPM), + SR_RANGE_TRAP(SYS_PMEVCNTRn_EL0(0), + SYS_PMEVCNTRn_EL0(30), CGT_MDCR_TPM), + SR_RANGE_TRAP(SYS_PMEVTYPERn_EL0(0), + SYS_PMEVTYPERn_EL0(30), CGT_MDCR_TPM), + SR_TRAP(SYS_PMCCFILTR_EL0, CGT_MDCR_TPM), + SR_TRAP(SYS_MDCCSR_EL0, CGT_MDCR_TDCC_TDE_TDA), + SR_TRAP(SYS_MDCCINT_EL1, CGT_MDCR_TDCC_TDE_TDA), + SR_TRAP(SYS_OSDTRRX_EL1, CGT_MDCR_TDCC_TDE_TDA), + SR_TRAP(SYS_OSDTRTX_EL1, CGT_MDCR_TDCC_TDE_TDA), + SR_TRAP(SYS_MDSCR_EL1, CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_OSECCR_EL1, CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(0), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(1), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(2), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(3), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(4), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(5), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(6), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(7), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(8), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(9), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(10), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(11), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(12), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(13), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(14), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBVRn_EL1(15), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(0), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(1), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(2), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(3), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(4), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(5), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(6), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(7), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(8), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(9), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(10), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(11), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(12), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(13), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(14), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGBCRn_EL1(15), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(0), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(1), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(2), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(3), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(4), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(5), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(6), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(7), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(8), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(9), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(10), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(11), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(12), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(13), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(14), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWVRn_EL1(15), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(0), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(1), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(2), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(3), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(4), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(5), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(6), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(7), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(8), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(9), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(10), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(11), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(12), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(13), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGWCRn_EL1(14), CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGCLAIMSET_EL1, CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGCLAIMCLR_EL1, CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_DBGAUTHSTATUS_EL1, CGT_MDCR_TDE_TDA), + SR_TRAP(SYS_OSLAR_EL1, CGT_MDCR_TDE_TDOSA), + SR_TRAP(SYS_OSLSR_EL1, CGT_MDCR_TDE_TDOSA), + SR_TRAP(SYS_OSDLR_EL1, CGT_MDCR_TDE_TDOSA), + SR_TRAP(SYS_DBGPRCR_EL1, CGT_MDCR_TDE_TDOSA), + SR_TRAP(SYS_MDRAR_EL1, CGT_MDCR_TDE_TDRA), + SR_TRAP(SYS_PMBLIMITR_EL1, CGT_MDCR_E2PB), + SR_TRAP(SYS_PMBPTR_EL1, CGT_MDCR_E2PB), + SR_TRAP(SYS_PMBSR_EL1, CGT_MDCR_E2PB), + SR_TRAP(SYS_PMSCR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSEVFR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSFCR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSICR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSIDR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSIRR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSLATFR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_PMSNEVFR_EL1, CGT_MDCR_TPMS), + SR_TRAP(SYS_TRFCR_EL1, CGT_MDCR_TTRF), + SR_TRAP(SYS_TRBBASER_EL1, CGT_MDCR_E2TB), + SR_TRAP(SYS_TRBLIMITR_EL1, CGT_MDCR_E2TB), + SR_TRAP(SYS_TRBMAR_EL1, CGT_MDCR_E2TB), + SR_TRAP(SYS_TRBPTR_EL1, CGT_MDCR_E2TB), + SR_TRAP(SYS_TRBSR_EL1, CGT_MDCR_E2TB), + SR_TRAP(SYS_TRBTRG_EL1, CGT_MDCR_E2TB), }; static DEFINE_XARRAY(sr_forward_xa);