From patchwork Tue Sep 1 14:26:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 11748443 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B250C618 for ; Tue, 1 Sep 2020 14:37:35 +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 868BE20767 for ; Tue, 1 Sep 2020 14:37:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FS1Aza8+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 868BE20767 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:53024 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kD7Pi-0004Ux-L9 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 01 Sep 2020 10:37:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59676) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kD7Fz-0000Qt-OH for qemu-devel@nongnu.org; Tue, 01 Sep 2020 10:27:32 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:43650 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kD7Fb-0005xd-09 for qemu-devel@nongnu.org; Tue, 01 Sep 2020 10:27:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1598970426; 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=hL4UU6UW/U1i0rBrax0K1b6/ws7EZEF6wAgUhedS6w0=; b=FS1Aza8++lSRRse2zSUtinrMWYz8JKeDJbc7lPSqHiETdzSuySGxeX9sz5FOuBXiz+UaOk nrUCDGxZMnPvOA3rERli1A2+ObVTCO4z3OR60SGgeUIYud65/aq0T78FFfTHq9OR3EjuqY Fe49zAPG04ewgbHXIBSiu5ozSG9Tyes= 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-259-T1Jxi_cSNsC9zGgE9feIZQ-1; Tue, 01 Sep 2020 10:27:04 -0400 X-MC-Unique: T1Jxi_cSNsC9zGgE9feIZQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A7E151DDF3; Tue, 1 Sep 2020 14:27:02 +0000 (UTC) Received: from eperezma.remote.csb (ovpn-114-76.ams2.redhat.com [10.36.114.76]) by smtp.corp.redhat.com (Postfix) with ESMTP id EBA1B672C6; Tue, 1 Sep 2020 14:26:51 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: Peter Xu , qemu-devel@nongnu.org Subject: [RFC v8 3/5] memory: Add IOMMU_DEVIOTLB_UNMAP IOMMUTLBNotificationType Date: Tue, 1 Sep 2020 16:26:06 +0200 Message-Id: <20200901142608.24481-4-eperezma@redhat.com> In-Reply-To: <20200901142608.24481-1-eperezma@redhat.com> References: <20200901142608.24481-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eperezma@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/01 02:08:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 , Aleksandar Rikalo , Yan Zhao , Eduardo Habkost , "Michael S. Tsirkin" , qemu-ppc@nongnu.org, Jason Wang , Juan Quintela , Eric Auger , qemu-arm@nongnu.org, =?utf-8?q?Herv?= =?utf-8?q?=C3=A9_Poussineau?= , Avi Kivity , Paolo Bonzini , Richard Henderson , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Adapt intel and vhost to use this new notification type Signed-off-by: Eugenio Pérez Reviewed-by: Peter Xu Reviewed-by: Juan Quintela --- hw/i386/intel_iommu.c | 2 +- hw/virtio/vhost.c | 2 +- include/exec/memory.h | 2 ++ 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 0c4aef5cb5..cdddb089e7 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2468,7 +2468,7 @@ static bool vtd_process_device_iotlb_desc(IntelIOMMUState *s, sz = VTD_PAGE_SIZE; } - event.type = IOMMU_NOTIFIER_UNMAP; + event.type = IOMMU_NOTIFIER_DEVIOTLB; event.entry.target_as = &vtd_dev_as->as; event.entry.addr_mask = sz - 1; event.entry.iova = addr; diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 1a1384e7a6..6ca168b47e 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -729,7 +729,7 @@ static void vhost_iommu_region_add(MemoryListener *listener, iommu_idx = memory_region_iommu_attrs_to_index(iommu_mr, MEMTXATTRS_UNSPECIFIED); iommu_notifier_init(&iommu->n, vhost_iommu_unmap_notify, - IOMMU_NOTIFIER_UNMAP, + IOMMU_NOTIFIER_DEVIOTLB, section->offset_within_region, int128_get64(end), iommu_idx); diff --git a/include/exec/memory.h b/include/exec/memory.h index 8a56707169..215e23973d 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -87,6 +87,8 @@ typedef enum { IOMMU_NOTIFIER_UNMAP = 0x1, /* Notify entry changes (newly created entries) */ IOMMU_NOTIFIER_MAP = 0x2, + /* Notify changes on device IOTLB entries */ + IOMMU_NOTIFIER_DEVIOTLB = 0x04, } IOMMUNotifierFlag; #define IOMMU_NOTIFIER_ALL (IOMMU_NOTIFIER_MAP | IOMMU_NOTIFIER_UNMAP)