From patchwork Fri Jun 7 14:37:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 13690741 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 81B45C27C53 for ; Fri, 7 Jun 2024 23:25:28 +0000 (UTC) Received: from [::1] (helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sFalD-0007QT-Rs; Fri, 07 Jun 2024 10:40:07 -0400 Received: from [2001:470:142:3::10] (helo=eggs.gnu.org) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sFalA-0007EV-6x for qemu-devel@nongnu.org; Fri, 07 Jun 2024 10:40:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sFal8-0003Qs-Hz for qemu-devel@nongnu.org; Fri, 07 Jun 2024 10:40:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1717771201; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xK/OvgNzzcXSWIsdldMqiiYrOffSKwz7no1QQVoOC3M=; b=fIlPZpW6YG4o+TEa2FAQqDGFRSZ13OCRN+jIHqlMViSOQ8kVTEmsrDom5ZQ+OgjMtcXouO UuqX+lxRINZu4ZRPjegeDI5kSc/kFlaGEr9xL6mgJQUwjz/KI0EUFEUoYNl3eKrAFbBE+h /f3X4sKAvJunDx7qFIcDvBATrTJ6QUU= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-300-pWgggVlZOBGnrh-8JtS-AQ-1; Fri, 07 Jun 2024 10:39:56 -0400 X-MC-Unique: pWgggVlZOBGnrh-8JtS-AQ-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8836E19560B9; Fri, 7 Jun 2024 14:39:55 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.193.191]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B50DA1956048; Fri, 7 Jun 2024 14:39:50 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, mst@redhat.com, jean-philippe@linaro.org, imammedo@redhat.com, peter.maydell@linaro.org, clg@redhat.com, yanghliu@redhat.com, zhenzhong.duan@intel.com Cc: alex.williamson@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, berrange@redhat.com Subject: [RFC v2 7/7] memory: Remove IOMMU MR iommu_set_iova_range API Date: Fri, 7 Jun 2024 16:37:27 +0200 Message-ID: <20240607143905.765133-8-eric.auger@redhat.com> In-Reply-To: <20240607143905.765133-1-eric.auger@redhat.com> References: <20240607143905.765133-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Since the host IOVA ranges are now passed through the PCIIOMMUOps set_host_resv_regions and we have removed the only implementation of iommu_set_iova_range() in the virtio-iommu and the only call site in vfio/common, let's retire the IOMMU MR API and its memory wrapper. Signed-off-by: Eric Auger Reviewed-by: Zhenzhong Duan --- include/exec/memory.h | 32 -------------------------------- system/memory.c | 13 ------------- 2 files changed, 45 deletions(-) diff --git a/include/exec/memory.h b/include/exec/memory.h index 9cdd64e9c6..35d772e52b 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -530,26 +530,6 @@ struct IOMMUMemoryRegionClass { int (*iommu_set_page_size_mask)(IOMMUMemoryRegion *iommu, uint64_t page_size_mask, Error **errp); - /** - * @iommu_set_iova_ranges: - * - * Propagate information about the usable IOVA ranges for a given IOMMU - * memory region. Used for example to propagate host physical device - * reserved memory region constraints to the virtual IOMMU. - * - * Optional method: if this method is not provided, then the default IOVA - * aperture is used. - * - * @iommu: the IOMMUMemoryRegion - * - * @iova_ranges: list of ordered IOVA ranges (at least one range) - * - * Returns 0 on success, or a negative error. In case of failure, the error - * object must be created. - */ - int (*iommu_set_iova_ranges)(IOMMUMemoryRegion *iommu, - GList *iova_ranges, - Error **errp); }; typedef struct RamDiscardListener RamDiscardListener; @@ -1945,18 +1925,6 @@ int memory_region_iommu_set_page_size_mask(IOMMUMemoryRegion *iommu_mr, uint64_t page_size_mask, Error **errp); -/** - * memory_region_iommu_set_iova_ranges - Set the usable IOVA ranges - * for a given IOMMU MR region - * - * @iommu: IOMMU memory region - * @iova_ranges: list of ordered IOVA ranges (at least one range) - * @errp: pointer to Error*, to store an error if it happens. - */ -int memory_region_iommu_set_iova_ranges(IOMMUMemoryRegion *iommu, - GList *iova_ranges, - Error **errp); - /** * memory_region_name: get a memory region's name * diff --git a/system/memory.c b/system/memory.c index 9540caa8a1..248d514f83 100644 --- a/system/memory.c +++ b/system/memory.c @@ -1914,19 +1914,6 @@ int memory_region_iommu_set_page_size_mask(IOMMUMemoryRegion *iommu_mr, return ret; } -int memory_region_iommu_set_iova_ranges(IOMMUMemoryRegion *iommu_mr, - GList *iova_ranges, - Error **errp) -{ - IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr); - int ret = 0; - - if (imrc->iommu_set_iova_ranges) { - ret = imrc->iommu_set_iova_ranges(iommu_mr, iova_ranges, errp); - } - return ret; -} - int memory_region_register_iommu_notifier(MemoryRegion *mr, IOMMUNotifier *n, Error **errp) {