From patchwork Mon Mar 1 08:42:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12109021 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,DKIMWL_WL_HIGH, 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 F167AC433E0 for ; Mon, 1 Mar 2021 08:45:08 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 A2F9F64DE3 for ; Mon, 1 Mar 2021 08:45:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2F9F64DE3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=nN86DeRt+Tnid5xm5dJ1yUxPdBL9YU+Nb99IBU4874c=; b=bF8ue3Jg85QwdRd22DFYBve6Q wIoqR2Bfpj7GQYS5PpYMlnEs1EPxJK84WjLyDgsnATUvtkBp59vtbTwyolkydfjmeTI+VXQiEU0tK aBOJDqRQLbTw0TS+23zq0I3kYFwF3ujVDDJhcaMiYfFUhRYB6vKk0LDDrSUmzHsWhjIiglYRkVZG0 xJumAUbB4h+Z2juhw9PMZsMze3TTgxdj/SXWldZMQIp4E0Z2Puv4IvutaymoO3fh2/XrunFB17Uvx TS1p+2N+haLcm3jw3sBAEVRz6/mVUYPgfXr6E+zMaaC+0hWWZfvzEfDS/PRBPLYuyeG1GYYV2gMzZ DIJpaeiHw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGe9S-0007ZP-16; Mon, 01 Mar 2021 08:43:38 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGe9P-0007Xl-6X for linux-arm-kernel@merlin.infradead.org; Mon, 01 Mar 2021 08:43:35 +0000 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=5SLsCpXWjPmce/1uZk/4ZwyrEF40MdT7CLEJTT6i8m8=; b=dezXlazrRG+M7/ukjjHXVRWOgO M//DyJk53d+sdseAWEW7/MvYPCzuqtcebjAeuYwtj93OsXoDpEDwAf/at82aP/x2qo2KnP85nCZSa Ga5euorClnHn14C42oJ26hinUYyhkkZsbjMCANo5J5jfcVZ09AHds8tv/74fZbN87hArEqjO0YrOe Jz/hVTRDcwrUtYz6TbV8dofae79np5tzh5DektIZ0dFKtbsgPJu4nTQUnO6JDMUVO/GC0bnzMuPwp tDJISVJZ2HNYbIuRVHUe9fwqjjdhHPvsjASKZHc7FQBjB85Q63ZTmWLJAJ1BrHCJg4DH+3U4jHjyx T/3bFEpA==; 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 1lGe9H-00FUXS-9D; Mon, 01 Mar 2021 08:43:29 +0000 From: Christoph Hellwig To: Joerg Roedel , Will Deacon , Li Yang Subject: [PATCH 04/17] iommu/fsl_pamu: merge iommu_alloc_dma_domain into fsl_pamu_domain_alloc Date: Mon, 1 Mar 2021 09:42:44 +0100 Message-Id: <20210301084257.945454-5-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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: freedreno@lists.freedesktop.org, kvm@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, David Woodhouse , linux-arm-kernel@lists.infradead.org, Lu Baolu Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Keep the functionality to allocate the domain together. Signed-off-by: Christoph Hellwig --- drivers/iommu/fsl_pamu_domain.c | 34 ++++++++++----------------------- 1 file changed, 10 insertions(+), 24 deletions(-) diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index 7bd08ddad07779..a4da5597755d3d 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -292,25 +292,6 @@ static int check_size(u64 size, dma_addr_t iova) return 0; } -static struct fsl_dma_domain *iommu_alloc_dma_domain(void) -{ - struct fsl_dma_domain *domain; - - domain = kmem_cache_zalloc(fsl_pamu_domain_cache, GFP_KERNEL); - if (!domain) - return NULL; - - domain->stash_id = ~(u32)0; - domain->snoop_id = ~(u32)0; - domain->win_cnt = pamu_get_max_subwin_cnt(); - - INIT_LIST_HEAD(&domain->devices); - - spin_lock_init(&domain->domain_lock); - - return domain; -} - static void remove_device_ref(struct device_domain_info *info, u32 win_cnt) { unsigned long flags; @@ -412,12 +393,17 @@ static struct iommu_domain *fsl_pamu_domain_alloc(unsigned type) if (type != IOMMU_DOMAIN_UNMANAGED) return NULL; - dma_domain = iommu_alloc_dma_domain(); - if (!dma_domain) { - pr_debug("dma_domain allocation failed\n"); + dma_domain = kmem_cache_zalloc(fsl_pamu_domain_cache, GFP_KERNEL); + if (!dma_domain) return NULL; - } - /* defaul geometry 64 GB i.e. maximum system address */ + + dma_domain->stash_id = ~(u32)0; + dma_domain->snoop_id = ~(u32)0; + dma_domain->win_cnt = pamu_get_max_subwin_cnt(); + INIT_LIST_HEAD(&dma_domain->devices); + spin_lock_init(&dma_domain->domain_lock); + + /* default geometry 64 GB i.e. maximum system address */ dma_domain->iommu_domain. geometry.aperture_start = 0; dma_domain->iommu_domain.geometry.aperture_end = (1ULL << 36) - 1; dma_domain->iommu_domain.geometry.force_aperture = true;