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 X-Spam-Level: X-Spam-Status: No, score=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2831EC433ED for ; Fri, 7 May 2021 06:33:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F045B610A7 for ; Fri, 7 May 2021 06:33:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234349AbhEGGe3 (ORCPT ); Fri, 7 May 2021 02:34:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:24473 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234754AbhEGGdw (ORCPT ); Fri, 7 May 2021 02:33:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620369173; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=web4o7rZ5r54iKNNiQq7w068BG7IW6v5PDJ4F6N6hdk=; b=M/VlzFkQrb8OHYEARzuPSe+sM21QR9nNE30z4aG3FL11nJBFyAzQ1aNd3UfncogQEN5cZM WGFvKfnGeDg0F8v32kpWgzNN0nqxybYHaiIAEaF9AjYG8dG6uHo2N6pPp4yjqiAr4bT6Po DdUbUeXcrDM/uOwl7CwmGi8ufFI9fec= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-474-GjyPRObTOwenzhAf8kSDGQ-1; Fri, 07 May 2021 02:32:51 -0400 X-MC-Unique: GjyPRObTOwenzhAf8kSDGQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4D38A8014D8; Fri, 7 May 2021 06:32:50 +0000 (UTC) Received: from gshan.redhat.com (vpn2-54-42.bne.redhat.com [10.64.54.42]) by smtp.corp.redhat.com (Postfix) with ESMTP id A76E35D9CA; Fri, 7 May 2021 06:32:47 +0000 (UTC) From: Gavin Shan To: kvmarm@lists.cs.columbia.edu Cc: linux-kernel@vger.kernel.org, maz@kernel.org, will@kernel.org, pbonzini@redhat.com, james.morse@arm.com, mark.rutland@arm.com, Jonathan.Cameron@huawei.com, shan.gavin@gmail.com Subject: [PATCH v3 20/21] KVM: arm64: Export SDEI capability Date: Fri, 7 May 2021 16:31:23 +0800 Message-Id: <20210507083124.43347-21-gshan@redhat.com> In-Reply-To: <20210507083124.43347-1-gshan@redhat.com> References: <20210507083124.43347-1-gshan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The SDEI functionality is ready to be exported so far. This adds new capability (KVM_CAP_ARM_SDEI) and exports it. Signed-off-by: Gavin Shan --- arch/arm64/kvm/arm.c | 3 +++ include/uapi/linux/kvm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 0f4ccec7dc04..ab8071aec005 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -269,6 +269,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_ARM_PTRAUTH_GENERIC: r = system_has_full_ptr_auth(); break; + case KVM_CAP_ARM_SDEI: + r = 1; + break; default: r = 0; } diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 9a7052da76a9..96641e528526 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1082,6 +1082,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_SGX_ATTRIBUTE 196 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 #define KVM_CAP_PTP_KVM 198 +#define KVM_CAP_ARM_SDEI 199 #ifdef KVM_CAP_IRQ_ROUTING -- 2.23.0