From patchwork Tue Aug 15 18:38:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 13354136 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 E017BC001E0 for ; Tue, 15 Aug 2023 18:48:19 +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=D4ctV+LHB+zLFdaTjnAi6XvvtdXyykLa+jv3DPhr44I=; b=kK6osKPZKmpK38 NnOZ9DWo23R261UZ4fp8Ee2hb29H4FjxtgANtFLBIcqs3CudVG9rkte0Q49ifLeSWVo2MZlV30wCR OsT+r17xd1Q+NocLK7xls1S4sedNKaAK2J4sjAgN/tpkH7ctGQt4G1/SM9OgSgNPU2tF20C0WkDKN 0516O+afEBonucU+8jgD4TTAFr5Ee5k9eBdnH583DmXGYjXDrZ7qbimVgm6PT1hMSJGK00NS3Pu0S KxTA30q+96EkTwdUoZOADXEWAQqiAeA3MwbfSwBgU9gEQ96IaVQ6CkKLkjp1J8X7d4x1nK6g5M1JM RHtYV2zZXbIkrBuPIhtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVz56-002DY2-01; Tue, 15 Aug 2023 18:47:52 +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 1qVz4o-002DNI-1a for linux-arm-kernel@lists.infradead.org; Tue, 15 Aug 2023 18:47:36 +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 C734165FB5; Tue, 15 Aug 2023 18:47:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E8BDC433C7; Tue, 15 Aug 2023 18:47:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692125253; bh=Ik/XF6zl1KXjifNSelWswyC5EV+5BsgMY/7pbRyqv60=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fn/XUZsxRxrYzQMSfX6/BSTHEADy6CnuQcZRMj3YXf4ACIW0id58tEcnu+L6fjSHh NbmKHxsVltX+BFtrt/R7IjpdXX5Sd1Z7eFUZrwxuUysP7xkmHVdF35iGd3hfF444/K TiZXA2Cs1fo8dQd7mc8nIDK8BkjTPrUhiOwZI6DwCQqZRQv4vcuu4sFQ/50IgjntPV 5zz27m56JB/NDt1x/JeAkki6AgM8cUs9KfV5g685zl4tDOdoQuFq2MLkeJKM+u3RAB jNJRSEfBkeWmj2PSWG5+ek5TxaQ0fUhJkMfBIP/Cs1Qd5Ik6ON79xqdWqqI16UuDuP LYPzCXmpKDSgQ== 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 1qVywq-0055Sd-Km; Tue, 15 Aug 2023 19:39:20 +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 20/28] KVM: arm64: nv: Add trap forwarding for HFGxTR_EL2 Date: Tue, 15 Aug 2023 19:38:54 +0100 Message-Id: <20230815183903.2735724-21-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_114734_680732_B9336D68 X-CRM114-Status: GOOD ( 13.22 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Implement the trap forwarding for traps described by HFGxTR_EL2, reusing the Fine Grained Traps infrastructure previously implemented. Reviewed-by: Eric Auger Signed-off-by: Marc Zyngier Reviewed-by: Jing Zhang --- arch/arm64/kvm/emulate-nested.c | 71 +++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 0da9d92ed921..0e34797515b6 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -938,6 +938,7 @@ static DEFINE_XARRAY(sr_forward_xa); enum fgt_group_id { __NO_FGT_GROUP__, + HFGxTR_GROUP, /* Must be last */ __NR_FGT_GROUP_IDS__ @@ -956,6 +957,69 @@ enum fgt_group_id { } static const struct encoding_to_trap_config encoding_to_fgt[] __initconst = { + /* HFGRTR_EL2, HFGWTR_EL2 */ + SR_FGT(SYS_TPIDR2_EL0, HFGxTR, nTPIDR2_EL0, 0), + SR_FGT(SYS_SMPRI_EL1, HFGxTR, nSMPRI_EL1, 0), + SR_FGT(SYS_ACCDATA_EL1, HFGxTR, nACCDATA_EL1, 0), + SR_FGT(SYS_ERXADDR_EL1, HFGxTR, ERXADDR_EL1, 1), + SR_FGT(SYS_ERXPFGCDN_EL1, HFGxTR, ERXPFGCDN_EL1, 1), + SR_FGT(SYS_ERXPFGCTL_EL1, HFGxTR, ERXPFGCTL_EL1, 1), + SR_FGT(SYS_ERXPFGF_EL1, HFGxTR, ERXPFGF_EL1, 1), + SR_FGT(SYS_ERXMISC0_EL1, HFGxTR, ERXMISCn_EL1, 1), + SR_FGT(SYS_ERXMISC1_EL1, HFGxTR, ERXMISCn_EL1, 1), + SR_FGT(SYS_ERXMISC2_EL1, HFGxTR, ERXMISCn_EL1, 1), + SR_FGT(SYS_ERXMISC3_EL1, HFGxTR, ERXMISCn_EL1, 1), + SR_FGT(SYS_ERXSTATUS_EL1, HFGxTR, ERXSTATUS_EL1, 1), + SR_FGT(SYS_ERXCTLR_EL1, HFGxTR, ERXCTLR_EL1, 1), + SR_FGT(SYS_ERXFR_EL1, HFGxTR, ERXFR_EL1, 1), + SR_FGT(SYS_ERRSELR_EL1, HFGxTR, ERRSELR_EL1, 1), + SR_FGT(SYS_ERRIDR_EL1, HFGxTR, ERRIDR_EL1, 1), + SR_FGT(SYS_ICC_IGRPEN0_EL1, HFGxTR, ICC_IGRPENn_EL1, 1), + SR_FGT(SYS_ICC_IGRPEN1_EL1, HFGxTR, ICC_IGRPENn_EL1, 1), + SR_FGT(SYS_VBAR_EL1, HFGxTR, VBAR_EL1, 1), + SR_FGT(SYS_TTBR1_EL1, HFGxTR, TTBR1_EL1, 1), + SR_FGT(SYS_TTBR0_EL1, HFGxTR, TTBR0_EL1, 1), + SR_FGT(SYS_TPIDR_EL0, HFGxTR, TPIDR_EL0, 1), + SR_FGT(SYS_TPIDRRO_EL0, HFGxTR, TPIDRRO_EL0, 1), + SR_FGT(SYS_TPIDR_EL1, HFGxTR, TPIDR_EL1, 1), + SR_FGT(SYS_TCR_EL1, HFGxTR, TCR_EL1, 1), + SR_FGT(SYS_SCXTNUM_EL0, HFGxTR, SCXTNUM_EL0, 1), + SR_FGT(SYS_SCXTNUM_EL1, HFGxTR, SCXTNUM_EL1, 1), + SR_FGT(SYS_SCTLR_EL1, HFGxTR, SCTLR_EL1, 1), + SR_FGT(SYS_REVIDR_EL1, HFGxTR, REVIDR_EL1, 1), + SR_FGT(SYS_PAR_EL1, HFGxTR, PAR_EL1, 1), + SR_FGT(SYS_MPIDR_EL1, HFGxTR, MPIDR_EL1, 1), + SR_FGT(SYS_MIDR_EL1, HFGxTR, MIDR_EL1, 1), + SR_FGT(SYS_MAIR_EL1, HFGxTR, MAIR_EL1, 1), + SR_FGT(SYS_LORSA_EL1, HFGxTR, LORSA_EL1, 1), + SR_FGT(SYS_LORN_EL1, HFGxTR, LORN_EL1, 1), + SR_FGT(SYS_LORID_EL1, HFGxTR, LORID_EL1, 1), + SR_FGT(SYS_LOREA_EL1, HFGxTR, LOREA_EL1, 1), + SR_FGT(SYS_LORC_EL1, HFGxTR, LORC_EL1, 1), + SR_FGT(SYS_ISR_EL1, HFGxTR, ISR_EL1, 1), + SR_FGT(SYS_FAR_EL1, HFGxTR, FAR_EL1, 1), + SR_FGT(SYS_ESR_EL1, HFGxTR, ESR_EL1, 1), + SR_FGT(SYS_DCZID_EL0, HFGxTR, DCZID_EL0, 1), + SR_FGT(SYS_CTR_EL0, HFGxTR, CTR_EL0, 1), + SR_FGT(SYS_CSSELR_EL1, HFGxTR, CSSELR_EL1, 1), + SR_FGT(SYS_CPACR_EL1, HFGxTR, CPACR_EL1, 1), + SR_FGT(SYS_CONTEXTIDR_EL1, HFGxTR, CONTEXTIDR_EL1, 1), + SR_FGT(SYS_CLIDR_EL1, HFGxTR, CLIDR_EL1, 1), + SR_FGT(SYS_CCSIDR_EL1, HFGxTR, CCSIDR_EL1, 1), + SR_FGT(SYS_APIBKEYLO_EL1, HFGxTR, APIBKey, 1), + SR_FGT(SYS_APIBKEYHI_EL1, HFGxTR, APIBKey, 1), + SR_FGT(SYS_APIAKEYLO_EL1, HFGxTR, APIAKey, 1), + SR_FGT(SYS_APIAKEYHI_EL1, HFGxTR, APIAKey, 1), + SR_FGT(SYS_APGAKEYLO_EL1, HFGxTR, APGAKey, 1), + SR_FGT(SYS_APGAKEYHI_EL1, HFGxTR, APGAKey, 1), + SR_FGT(SYS_APDBKEYLO_EL1, HFGxTR, APDBKey, 1), + SR_FGT(SYS_APDBKEYHI_EL1, HFGxTR, APDBKey, 1), + SR_FGT(SYS_APDAKEYLO_EL1, HFGxTR, APDAKey, 1), + SR_FGT(SYS_APDAKEYHI_EL1, HFGxTR, APDAKey, 1), + SR_FGT(SYS_AMAIR_EL1, HFGxTR, AMAIR_EL1, 1), + SR_FGT(SYS_AIDR_EL1, HFGxTR, AIDR_EL1, 1), + SR_FGT(SYS_AFSR1_EL1, HFGxTR, AFSR1_EL1, 1), + SR_FGT(SYS_AFSR0_EL1, HFGxTR, AFSR0_EL1, 1), }; static union trap_config get_trap_config(u32 sysreg) @@ -1160,6 +1224,13 @@ bool __check_nv_sr_forward(struct kvm_vcpu *vcpu) case __NO_FGT_GROUP__: break; + case HFGxTR_GROUP: + if (is_read) + val = sanitised_sys_reg(vcpu, HFGRTR_EL2); + else + val = sanitised_sys_reg(vcpu, HFGWTR_EL2); + break; + case __NR_FGT_GROUP_IDS__: /* Something is really wrong, bail out */ WARN_ONCE(1, "__NR_FGT_GROUP_IDS__");