From nobody Sat Feb 7 08:53:44 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1555064615; cv=none; d=zoho.com; s=zohoarc; b=TtI+kFR+iw+cJAvKUimhRWGW19uPg1clJdceefhsq0oZ+raWQ3TSGptzUpKrZEeRbg48mOQdLmmCTTCZ6k7+WsmVERYEE3p1/vPxzL7WKGRdL9QdWEiVOrMJI1N+fC8f6z2ZW9Fx6KhnDRJuNYvnQJK9rHHF4DTQymwb1VQZH8E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555064615; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=3RBwQoOdtCY7H8pBUOvq+Z7nG8pml8/8kX64rg7v0G4=; b=ahoF+eds86BP3B41ieA/RuhnJ+HgGP2gjwCaj3nHDQ/8MP7kIJyav6NrXtYgCyliGef3tAud+Z2RorG59D6q07yB8lc6lBTe0kh48r+hf0jLMrwcZVSY6J3jHaAqCzrWyUj2g74lmIFCJP1Q6hs8TP0cfKZIRlyWfUT33vEJIDg= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555064615116644.4003315297907; Fri, 12 Apr 2019 03:23:35 -0700 (PDT) Received: from localhost ([127.0.0.1]:33826 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEtLH-000218-48 for importer@patchew.org; Fri, 12 Apr 2019 06:23:31 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38099) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEt3o-0001bc-LQ for qemu-devel@nongnu.org; Fri, 12 Apr 2019 06:05:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hEt3m-0004KG-KS for qemu-devel@nongnu.org; Fri, 12 Apr 2019 06:05:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56006) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hEt3d-0004El-9x; Fri, 12 Apr 2019 06:05:17 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 562C1308FBB1; Fri, 12 Apr 2019 10:05:16 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-161.ams2.redhat.com [10.36.117.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id C2D3A19C65; Fri, 12 Apr 2019 10:05:13 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Date: Fri, 12 Apr 2019 12:03:38 +0200 Message-Id: <20190412100354.6409-12-eric.auger@redhat.com> In-Reply-To: <20190412100354.6409-1-eric.auger@redhat.com> References: <20190412100354.6409-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Fri, 12 Apr 2019 10:05:16 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v3 11/27] memory: Add arch_id and leaf fields in IOTLBEntry X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yi.l.liu@intel.com, mst@redhat.com, jean-philippe.brucker@arm.com, peterx@redhat.com, alex.williamson@redhat.com, vincent.stehle@arm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" TLB entries are usually tagged with some ids such as the asid or pasid. When propagating an invalidation command from the guest to the host, we need to pass this id. Also we add a leaf field which indicates, in case of invalidation notification whether only cache entries for the last level of translation are required to be invalidated. Signed-off-by: Eric Auger --- include/exec/memory.h | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/include/exec/memory.h b/include/exec/memory.h index f54052e9b3..aedebc8471 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -69,12 +69,30 @@ typedef enum { =20 #define IOMMU_ACCESS_FLAG(r, w) (((r) ? IOMMU_RO : 0) | ((w) ? IOMMU_WO : = 0)) =20 +/** + * IOMMUTLBEntry - IOMMU TLB entry + * + * Structure used when performing a translation or when notifying MAP or + * UNMAP (invalidation) events + * + * @target_as: target address space + * @iova: IO virtual address (input) + * @translated_addr: translated address (output) + * @addr_mask: address mask (0xfff means 4K binding), must be multiple of 2 + * @perm: permission flag of the mapping (NONE encodes no mapping or + * invalidation notification) + * @arch_id: architecture specific ID tagging the TLB + * @leaf: when @perm is NONE, indicates whether only caches for the last + * level of translation need to be invalidated. + */ struct IOMMUTLBEntry { AddressSpace *target_as; hwaddr iova; hwaddr translated_addr; - hwaddr addr_mask; /* 0xfff =3D 4k translation */ + hwaddr addr_mask; IOMMUAccessFlags perm; + uint32_t arch_id; + bool leaf; }; =20 typedef struct IOMMUConfig { --=20 2.20.1