From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D82EC14831F for ; Wed, 27 Mar 2024 17:37:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711561050; cv=none; b=aLxvr6kLEW8VG9Rk/D33vd2HmJ9sDAW9xWI3pST5yjYo2n8AXSETVYuvbLEy1/GzkrsOzIYNV0TEWIrBoqJrdSmlbrL8sTL55uCmMmosNCma0eZ1F/iTKpCaN9ovbeKTKReDuKefrJJOJBwADm1RuNzPYYO217FHuvxG3GWyWKM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711561050; c=relaxed/simple; bh=5w/n7DL7Y9AlXl6702t3X5suiD0PfIMFgSP34TgYdZc=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=bvYbo1dFl7QnO2/7ZZvaf2h9OEckl45vUXjRUWjCH/XrssoubZHn/MxlSgD1PtQYBN3flDPka5Zn5Ad50y/65BCddrnENfQ9rEV1nCeTHglg7s5Vmvt+zkBxsO0ctNke07ke8VDMkUt/u83Vs2eR8pgVsj+7q6UsemYpbTOmCBE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--tabba.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=FD7TKaJW; arc=none smtp.client-ip=209.85.221.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--tabba.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="FD7TKaJW" Received: by mail-wr1-f73.google.com with SMTP id ffacd0b85a97d-33ed22facfeso7281f8f.0 for ; Wed, 27 Mar 2024 10:37:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1711561047; x=1712165847; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=hHLUVoz4koDF700d29dUPb5cj6slFDGs6KTtOQVD8zo=; b=FD7TKaJWNjLALcylTKEVFVPtotC5HojJkfoTh9CGK/ys2z2Qi3fyeo0qFc8XlMwrCt KD7tRoYMcIgT0bRsHyy+JWk9BPyP4CgyJXShwakrDK2uMPgB3vnqsb80WLbTLM93x3K8 nVRnAY1pbzUMBci/61nUNgx7iowVDSXQHRK0MR32G9YtI2Nrt38cdtBbGl8kGxhQJlOE NPhp7eEW5BQt2ql10FjUeML9SsRI1gXv1VFO0szaS7WcP6pRkqdZiQ0+aN9yqaMLEIs8 I28kCNSa8cEaRpS8BVxocI7VR3OMhEHz9/+ytXo6e1L5bek0rkgtlaWwbEKDhIUTvFx6 ENvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711561047; x=1712165847; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=hHLUVoz4koDF700d29dUPb5cj6slFDGs6KTtOQVD8zo=; b=u17xKbH4pB1pNVNIRNlQ7rKJA+quihwpxSfnCuEG2wt17pxwIMmgLRBvwi16++LF5v Oz7j3ugqjRETWpBOYRdoo0MJqQqq2TNyoOWhtnITdPfBsT/KbUZAxrdH8uYZwqHC9lyE Zws0EKSsB9xGv2yWy3pbI3OeAXTjIy0sXAuuXGkBavYfMpNIhUkbnlLMoB+Jf/YH6pK+ /kUd1o3gmHIzN0IEAVOw5BC2BJ9ifybmhzO0OH+OJ+8u8c4KAIM+bftHNtOY6YJmWy+c UB7dqF6tjAsF0MQGeHwBgkWxV5Hqzd3QcLmMNS4UQ5Q0as674xnufcokOEPNsheHIz3W yoiw== X-Gm-Message-State: AOJu0Yw21DcGBqmefmy463ClUf/8iH4U3ZfVKHdv6Kckh9m534HiMzqa w5cFY3tmXg2zqJBiBrge1YtixU4OJkayPL5lX+bY82JcUr+2B//dtgGlHUqoB6Zddvpvwy7Rsf6 JRQrBN6IlAjs2G9d4RcT/Mfvo2Tq1YTKTbCYCnt/KrBfehleAkmPxtrJMNcEZOMo6nEdvTpW+uw qIX2FDwedErPYZ9l5zQuh8Aw2vD3c= X-Google-Smtp-Source: AGHT+IG+DU1+DU/o80G9rBB8unjUs0xznSbKBLQWted0c0YMHacELCvaMWeDbsR60npwX4e68UL6pGUs1w== X-Received: from fuad.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1613]) (user=tabba job=sendgmr) by 2002:a5d:448b:0:b0:33e:cab3:4c27 with SMTP id j11-20020a5d448b000000b0033ecab34c27mr61wrq.5.1711561047304; Wed, 27 Mar 2024 10:37:27 -0700 (PDT) Date: Wed, 27 Mar 2024 17:35:30 +0000 In-Reply-To: <20240327173531.1379685-1-tabba@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240327173531.1379685-1-tabba@google.com> X-Mailer: git-send-email 2.44.0.478.gd926399ef9-goog Message-ID: <20240327173531.1379685-44-tabba@google.com> Subject: [PATCH v1 43/44] KVM: arm64: Advertise GICv3 sysreg interface to protected guests From: Fuad Tabba To: kvmarm@lists.linux.dev Cc: maz@kernel.org, will@kernel.org, qperret@google.com, tabba@google.com, seanjc@google.com, alexandru.elisei@arm.com, catalin.marinas@arm.com, philmd@linaro.org, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, mark.rutland@arm.com, broonie@kernel.org, joey.gouly@arm.com, rananta@google.com Content-Type: text/plain; charset="UTF-8" From: Will Deacon Advertise the system register GICv3 CPU interface to protected guests as that is the only supported configuration under pKVM. Signed-off-by: Will Deacon Signed-off-by: Fuad Tabba --- arch/arm64/include/asm/kvm_pkvm.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/kvm_pkvm.h b/arch/arm64/include/asm/kvm_pkvm.h index 970b0cf72f7d..40bebcffc9d0 100644 --- a/arch/arm64/include/asm/kvm_pkvm.h +++ b/arch/arm64/include/asm/kvm_pkvm.h @@ -45,11 +45,13 @@ void pkvm_destroy_hyp_vm(struct kvm *kvm); /* * Allow for protected VMs: * - Floating-point and Advanced SIMD + * - GICv3(+) system register interface * - Data Independent Timing */ #define PVM_ID_AA64PFR0_ALLOW (\ ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_FP) | \ ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_AdvSIMD) | \ + ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_GIC) | \ ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_DIT) \ ) -- 2.44.0.478.gd926399ef9-goog