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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 5DA95C433DB for ; Fri, 12 Mar 2021 01:50:01 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DDA8364F89 for ; Fri, 12 Mar 2021 01:50:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DDA8364F89 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57226 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lKWwB-0004z7-TW for qemu-devel@archiver.kernel.org; Thu, 11 Mar 2021 20:49:59 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35120) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lKWvG-0004NK-2m for qemu-devel@nongnu.org; Thu, 11 Mar 2021 20:49:02 -0500 Received: from mail-il1-x134.google.com ([2607:f8b0:4864:20::134]:41260) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lKWvE-00043M-El for qemu-devel@nongnu.org; Thu, 11 Mar 2021 20:49:01 -0500 Received: by mail-il1-x134.google.com with SMTP id c10so1165908ilo.8 for ; Thu, 11 Mar 2021 17:48:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ccL+z8Dr/YWLz2NKXtdS3NF7qoZW6Vs6Ltc+OQVp0H4=; b=qPmteqeXw61SweSIYu0RUcJQTOe/T0x81HNtA2uoVQf1hs433INgL8OoObg3SPx1eh d73GZS5HRfyH9dvX7OjvYdaub80lJ+/nLZ5WbW4uS24kOe7KCrFGuQ6ErxhcHoSj/eOa gstCmr9RnvkXJ/kBZXrf67YIWinpm5fZ8PnX2cUqOqyHKEjvpdDFQDL6tKeTu33A/6b+ jap703ZvnEWeUhjqWG3B7wSNL5ucNB12prI6b3IQptOoBfYILSXj+A/zmOlxAZIkzRLP OMlMyNpLx1sRTIwJPaOkdqm6tf3XucUu+OUDWPycrOheouj6WcE0nV5WvdiD8MSOjcN5 VqQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ccL+z8Dr/YWLz2NKXtdS3NF7qoZW6Vs6Ltc+OQVp0H4=; b=S8b3agycjeSCzPMdhaQeCQX4kIUZ596Ke77mSVRw7FKCRnMP+w2FBINZs9SKwqpeDk haZxfuScAsc32byxf9bFjsNXoafc1QD71F72lYtHacaS6dUE9rVVrM7IDly0I6Z234Wp JHFEAW1uYApJRyv0/5y0sIe8TEnyjYN5mA08ls4yMgxgrxvIKg4pBEOLb7AJ196Ya3yA Eg+TlFMDidYvDt8bmEJtB1DmuHzEbRaWjCuz6ti9YiTnCOcY08Ok4cqgAb5O1zj5dxMS yfwGtWRSDIVc5vY4LoGgeF3vNwO1CBQDF+bvkpe7nwjGnaYJDJwFUDpVyh9+ilLftvLd 9ILw== X-Gm-Message-State: AOAM530uDKBpqu09XDhSPd22RbNV1JAaZThTN1Wg2ZtZoHPGAtSeSTEJ fugbzImNq3buH495r/oJp0GjwgLHmCPm2vi7fTi4 X-Google-Smtp-Source: ABdhPJwuvcO5aAm9q1Sros93McfQCY2W1MfMyNxNJIzErUp2IkCF66dkvgM6YMzDP0AGxwMlFzApGDDP0WHuDCi6vM4= X-Received: by 2002:a92:b70a:: with SMTP id k10mr1062158ili.23.1615513735316; Thu, 11 Mar 2021 17:48:55 -0800 (PST) MIME-Version: 1.0 References: <432d5c0c6fb79e29f2e7aa4730cf4339d3d858f0.1612747873.git.haibo.xu@linaro.org> In-Reply-To: <432d5c0c6fb79e29f2e7aa4730cf4339d3d858f0.1612747873.git.haibo.xu@linaro.org> From: Haibo Xu Date: Fri, 12 Mar 2021 09:48:43 +0800 Message-ID: Subject: Re: [RFC PATCH 1/5] Update Linux headers with new MTE support To: Andrew Jones , Richard Henderson , "Dr. David Alan Gilbert" , Juan Quintela Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::134; envelope-from=haibo.xu@linaro.org; helo=mail-il1-x134.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-arm , =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ++ more migration experts! On Mon, 8 Feb 2021 at 11:20, Haibo Xu wrote: > > Signed-off-by: Haibo Xu > --- > linux-headers/linux/kvm.h | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h > index 020b62a619..6a291a9a35 100644 > --- a/linux-headers/linux/kvm.h > +++ b/linux-headers/linux/kvm.h > @@ -1056,6 +1056,7 @@ struct kvm_ppc_resize_hpt { > #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 > #define KVM_CAP_SYS_HYPERV_CPUID 191 > #define KVM_CAP_DIRTY_LOG_RING 192 > +#define KVM_CAP_ARM_MTE 193 > > #ifdef KVM_CAP_IRQ_ROUTING > > @@ -1241,6 +1242,19 @@ struct kvm_arm_device_addr { > __u64 addr; > }; > > +#define KVM_ARM_TAGS_TO_GUEST 0 > +#define KVM_ARM_TAGS_FROM_GUEST 1 > + > +struct kvm_arm_copy_mte_tags { > + __u64 guest_ipa; > + __u64 length; > + union { > + void *addr; > + __u64 padding; > + }; > + __u64 flags; > +}; > + > /* > * Device control API, available with KVM_CAP_DEVICE_CTRL > */ > @@ -1396,6 +1410,7 @@ struct kvm_s390_ucas_mapping { > /* Available with KVM_CAP_PMU_EVENT_FILTER */ > #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) > #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) > +#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) > > /* ioctl for vm fd */ > #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) > -- > 2.17.1 >