From patchwork Mon Mar 1 08:42:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 390787 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 21159C433E9 for ; Mon, 1 Mar 2021 08:54:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E93FA64E04 for ; Mon, 1 Mar 2021 08:54:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233749AbhCAIxd (ORCPT ); Mon, 1 Mar 2021 03:53:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233641AbhCAItL (ORCPT ); Mon, 1 Mar 2021 03:49:11 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5E61C061788; Mon, 1 Mar 2021 00:48:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=E/LKSHDwwzGiWLcH5n+WeTB74m8ESiCywnIfCbtw87s=; b=uq6dlLskuP/tcPB55euUeWUQsH TkTGV9HhYmkI/tO9Ey/FA/o7V7Re3hEwZb28TvXyc9evs9IQhTKvixiX1+oWK2bQvd+YTkR8fr9hR XFrLMsEwC1ES85XiFTfZPgRNst8sn4TJWNzpGWnHmTYuta9ncKNc4718W9DNrml4y5fV0DG77QLSn euQ0SaijCGxeIESo1cjH/Epr9ezTG0aVMq4AIlUzm2XF3vM278ZO9BEESqvTl2WjcnC6nYNLyBbGR M6SXkDwPXNb4l0x7gVGzKizpSFKeUfPkxs+370P6sIczRLHVEqXMSYwKBAv5l68T9YKjK40kKrgA/ FMVHdAGA==; Received: from [2001:4bb8:19b:e4b7:cdf9:733f:4874:8eb4] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lGeDY-00FUsn-9n; Mon, 01 Mar 2021 08:48:00 +0000 From: Christoph Hellwig To: Joerg Roedel , Will Deacon , Li Yang Cc: Michael Ellerman , David Woodhouse , Lu Baolu , linuxppc-dev@lists.ozlabs.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH 13/17] iommu: remove DOMAIN_ATTR_GEOMETRY Date: Mon, 1 Mar 2021 09:42:53 +0100 Message-Id: <20210301084257.945454-14-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210301084257.945454-1-hch@lst.de> References: <20210301084257.945454-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The geometry information can be trivially queried from the iommu_domain struture. Signed-off-by: Christoph Hellwig --- drivers/iommu/iommu.c | 20 +++----------------- drivers/soc/fsl/qbman/qman_portal.c | 1 + drivers/vfio/vfio_iommu_type1.c | 26 ++++++++++++-------------- drivers/vhost/vdpa.c | 10 +++------- include/linux/iommu.h | 1 - 5 files changed, 19 insertions(+), 39 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 9a4cda390993e6..23daaea7883b75 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2667,23 +2667,9 @@ core_initcall(iommu_init); int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr attr, void *data) { - struct iommu_domain_geometry *geometry; - int ret = 0; - - switch (attr) { - case DOMAIN_ATTR_GEOMETRY: - geometry = data; - *geometry = domain->geometry; - - break; - default: - if (!domain->ops->domain_get_attr) - return -EINVAL; - - ret = domain->ops->domain_get_attr(domain, attr, data); - } - - return ret; + if (!domain->ops->domain_get_attr) + return -EINVAL; + return domain->ops->domain_get_attr(domain, attr, data); } EXPORT_SYMBOL_GPL(iommu_domain_get_attr); diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c index bf38eb0042ed52..4a4466cc26c232 100644 --- a/drivers/soc/fsl/qbman/qman_portal.c +++ b/drivers/soc/fsl/qbman/qman_portal.c @@ -53,6 +53,7 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu) dev_err(dev, "%s(): iommu_domain_alloc() failed", __func__); goto no_iommu; } + ret = fsl_pamu_configure_l1_stash(pcfg->iommu_domain, cpu); if (ret < 0) { dev_err(dev, "%s(): fsl_pamu_configure_l1_stash() = %d", diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 4bb162c1d649b3..c8e57f22f421c5 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -2252,7 +2252,7 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, int ret; bool resv_msi, msi_remap; phys_addr_t resv_msi_base = 0; - struct iommu_domain_geometry geo; + struct iommu_domain_geometry *geo; LIST_HEAD(iova_copy); LIST_HEAD(group_resv_regions); @@ -2333,10 +2333,9 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, goto out_domain; /* Get aperture info */ - iommu_domain_get_attr(domain->domain, DOMAIN_ATTR_GEOMETRY, &geo); - - if (vfio_iommu_aper_conflict(iommu, geo.aperture_start, - geo.aperture_end)) { + geo = &domain->domain->geometry; + if (vfio_iommu_aper_conflict(iommu, geo->aperture_start, + geo->aperture_end)) { ret = -EINVAL; goto out_detach; } @@ -2359,8 +2358,8 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, if (ret) goto out_detach; - ret = vfio_iommu_aper_resize(&iova_copy, geo.aperture_start, - geo.aperture_end); + ret = vfio_iommu_aper_resize(&iova_copy, geo->aperture_start, + geo->aperture_end); if (ret) goto out_detach; @@ -2493,7 +2492,6 @@ static void vfio_iommu_aper_expand(struct vfio_iommu *iommu, struct list_head *iova_copy) { struct vfio_domain *domain; - struct iommu_domain_geometry geo; struct vfio_iova *node; dma_addr_t start = 0; dma_addr_t end = (dma_addr_t)~0; @@ -2502,12 +2500,12 @@ static void vfio_iommu_aper_expand(struct vfio_iommu *iommu, return; list_for_each_entry(domain, &iommu->domain_list, next) { - iommu_domain_get_attr(domain->domain, DOMAIN_ATTR_GEOMETRY, - &geo); - if (geo.aperture_start > start) - start = geo.aperture_start; - if (geo.aperture_end < end) - end = geo.aperture_end; + struct iommu_domain_geometry *geo = &domain->domain->geometry; + + if (geo->aperture_start > start) + start = geo->aperture_start; + if (geo->aperture_end < end) + end = geo->aperture_end; } /* Modify aperture limits. The new aper is either same or bigger */ diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index ef688c8c0e0e6f..25824fab433d0a 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -826,18 +826,14 @@ static void vhost_vdpa_free_domain(struct vhost_vdpa *v) static void vhost_vdpa_set_iova_range(struct vhost_vdpa *v) { struct vdpa_iova_range *range = &v->range; - struct iommu_domain_geometry geo; struct vdpa_device *vdpa = v->vdpa; const struct vdpa_config_ops *ops = vdpa->config; if (ops->get_iova_range) { *range = ops->get_iova_range(vdpa); - } else if (v->domain && - !iommu_domain_get_attr(v->domain, - DOMAIN_ATTR_GEOMETRY, &geo) && - geo.force_aperture) { - range->first = geo.aperture_start; - range->last = geo.aperture_end; + } else if (v->domain && v->domain->geometry.force_aperture) { + range->first = v->domain->geometry.aperture_start; + range->last = v->domain->geometry.aperture_end; } else { range->first = 0; range->last = ULLONG_MAX; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 180ff4bd7fa7ef..c15a8658daad64 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -107,7 +107,6 @@ enum iommu_cap { */ enum iommu_attr { - DOMAIN_ATTR_GEOMETRY, DOMAIN_ATTR_NESTING, /* two stages of translation */ DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, DOMAIN_ATTR_IO_PGTABLE_CFG,