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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=yFOEbvnmLRE/MkTldpqRjjZcedskEwLRag9pY/Gsti8=; b=mbZG3kR1hqz9oiCoJzqlHGnGVtPDQMEqEnqjSN3Y04X4Ld1IeeITmnsm0s/vgmr4CW t6GwoKIevzYVBitOhQs02ONbXaU8Ib1LcIJu/fGJeQj3wClRAfKoF9pTv5NxJeEs/SwD 4QGAo2GOBbXbz5cISsvktH/lG9L1TbmiR3sSbZQh41jtCYZhb6itHHlGWsKWuS8af/gx IjCoajXXe566uy47UwgqfMWq3iq2Y2YltsUhIXweQ71Qq8B3gjZxyis/tHPOWWW0url3 3ixHgaxISmXFBVNskA2b08Y7okwey3NuXkXkcK+NbIbvXShoPkNDaSO5N488/4D4Xykv WL6Q== X-Gm-Message-State: AOAM530EK+A1WEwfrGV7JB9dIJjV1+EKOWjppNX2hiCq+eofudKqCdfH 56Svlc73b++sc7QhRg7aKLXuez/ZdQ== X-Google-Smtp-Source: ABdhPJyoWFoyStmCkS24R7d0GBY3bV8l/thty5+34iLzeNvMU3bFfF8UZu0rNinvkttL3hXSDtynpikIVA== X-Received: from tabba.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:482]) (user=tabba job=sendgmr) by 2002:ad4:5554:: with SMTP id v20mr36606923qvy.16.1632314826731; Wed, 22 Sep 2021 05:47:06 -0700 (PDT) Date: Wed, 22 Sep 2021 13:46:52 +0100 Message-Id: <20210922124704.600087-1-tabba@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.464.g1972c5931b-goog Subject: [PATCH v6 00/12] KVM: arm64: Fixed features for protected VMs From: Fuad Tabba To: kvmarm@lists.cs.columbia.edu Cc: maz@kernel.org, will@kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, mark.rutland@arm.com, christoffer.dall@arm.com, pbonzini@redhat.com, drjones@redhat.com, oupton@google.com, qperret@google.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@android.com, tabba@google.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210922_054709_124576_B61680B3 X-CRM114-Status: GOOD ( 15.02 ) 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 Hi, Changes since v5 [1]: - Rebase on 5.15-rc2 - Include Marc's early exception handlers in the series - Refactoring and fixes (Drew, Marc) This patch series adds support for restricting CPU features for protected VMs in KVM (pKVM). For more background, please refer to the previous series [1]. This series is based on 5.15-rc2. You can find the applied series here [2]. Cheers, /fuad [1] https://lore.kernel.org/kvmarm/20210827101609.2808181-1-tabba@google.com/ [2] https://android-kvm.googlesource.com/linux/+/refs/heads/tabba/el2_fixed_feature_v6 Fuad Tabba (9): KVM: arm64: Add missing FORCE prerequisite in Makefile KVM: arm64: Pass struct kvm to per-EC handlers KVM: arm64: Add missing field descriptor for MDCR_EL2 KVM: arm64: Simplify masking out MTE in feature id reg KVM: arm64: Add handlers for protected VM System Registers KVM: arm64: Initialize trap registers for protected VMs KVM: arm64: Move sanitized copies of CPU features KVM: arm64: Trap access to pVM restricted features KVM: arm64: Handle protected guests at 32 bits Marc Zyngier (3): KVM: arm64: Move __get_fault_info() and co into their own include file KVM: arm64: Don't include switch.h into nvhe/kvm-main.c KVM: arm64: Move early handlers to per-EC handlers arch/arm64/include/asm/kvm_arm.h | 1 + arch/arm64/include/asm/kvm_asm.h | 1 + arch/arm64/include/asm/kvm_fixed_config.h | 195 ++++++++ arch/arm64/include/asm/kvm_host.h | 2 + arch/arm64/include/asm/kvm_hyp.h | 5 + arch/arm64/kvm/arm.c | 13 + arch/arm64/kvm/hyp/include/hyp/fault.h | 75 ++++ arch/arm64/kvm/hyp/include/hyp/switch.h | 221 ++++----- arch/arm64/kvm/hyp/include/nvhe/pkvm.h | 14 + arch/arm64/kvm/hyp/include/nvhe/sys_regs.h | 28 ++ arch/arm64/kvm/hyp/nvhe/Makefile | 4 +- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 12 +- arch/arm64/kvm/hyp/nvhe/mem_protect.c | 8 +- arch/arm64/kvm/hyp/nvhe/pkvm.c | 186 ++++++++ arch/arm64/kvm/hyp/nvhe/switch.c | 117 +++++ arch/arm64/kvm/hyp/nvhe/sys_regs.c | 494 +++++++++++++++++++++ arch/arm64/kvm/hyp/vhe/switch.c | 17 + arch/arm64/kvm/sys_regs.c | 10 +- 18 files changed, 1257 insertions(+), 146 deletions(-) create mode 100644 arch/arm64/include/asm/kvm_fixed_config.h create mode 100644 arch/arm64/kvm/hyp/include/hyp/fault.h create mode 100644 arch/arm64/kvm/hyp/include/nvhe/pkvm.h create mode 100644 arch/arm64/kvm/hyp/include/nvhe/sys_regs.h create mode 100644 arch/arm64/kvm/hyp/nvhe/pkvm.c create mode 100644 arch/arm64/kvm/hyp/nvhe/sys_regs.c base-commit: e4e737bb5c170df6135a127739a9e6148ee3da82