From patchwork Thu Apr 1 15:52:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12178479 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_NONE,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 181E2C001B3 for ; Thu, 1 Apr 2021 17:42:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0007761399 for ; Thu, 1 Apr 2021 17:42:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235323AbhDARmf (ORCPT ); Thu, 1 Apr 2021 13:42:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234560AbhDARiB (ORCPT ); Thu, 1 Apr 2021 13:38:01 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85965C02D576; Thu, 1 Apr 2021 08:53:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=Z9JPy9TPg1G6vRAErbmN4dHQgiCuv74xNNZwb3XvOzc=; b=z9dfmxVC+AkYI7A3FhvuGUicXf WsoEPdEBOr+mzC8jJKT9D43IWxD08C6UN9gP6Ng4MFLpHmmOK/CaiM+Kj8DAhByTQGNSZnoKEF9+y 2Rs0dYWfh0Z8jr5K8/Eyyi2JziQCArZaQo30OIrvsewrAgQ0huTTx0kHtqju6eTI1uSgCbrZiUQc9 4HDViC6rLsC62o8HMxHELgdcrVhxuR6TqKCMUlRCPGi4fNvZxAOMIpWTR1OEyU4LN6LNCAeyiOii1 7FkldJGkzOokyuTL3g131A2VtwTYvp4sN7duB59mWrFNH3kHEwrIRmYWub3Vv4NX+o2+kciSwQZWr NJ/psRCg==; Received: from [2001:4bb8:180:7517:83e4:a809:b0aa:ca74] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lRzdd-00Cicd-Dp; Thu, 01 Apr 2021 15:53:41 +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 12/20] iommu/fsl_pamu: remove the rpn and snoop_id arguments to pamu_config_ppaac Date: Thu, 1 Apr 2021 17:52:48 +0200 Message-Id: <20210401155256.298656-13-hch@lst.de> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210401155256.298656-1-hch@lst.de> References: <20210401155256.298656-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org These are always wired to fixed values, so don't bother passing them as arguments. Signed-off-by: Christoph Hellwig --- drivers/iommu/fsl_pamu.c | 14 +++----------- drivers/iommu/fsl_pamu.h | 3 +-- drivers/iommu/fsl_pamu_domain.c | 6 +++--- 3 files changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c index 3e1647cd5ad47a..742fa0e8c45b88 100644 --- a/drivers/iommu/fsl_pamu.c +++ b/drivers/iommu/fsl_pamu.c @@ -181,18 +181,14 @@ int pamu_update_paace_stash(int liodn, u32 value) * @win_addr: starting address of DSA window * @win-size: size of DSA window * @omi: Operation mapping index -- if ~omi == 0 then omi not defined - * @rpn: real (true physical) page number * @stashid: cache stash id for associated cpu -- if ~stashid == 0 then * stashid not defined - * @snoopid: snoop id for hardware coherency -- if ~snoopid == 0 then - * snoopid not defined * @prot: window permissions * * Returns 0 upon success else error code < 0 returned */ int pamu_config_ppaace(int liodn, phys_addr_t win_addr, phys_addr_t win_size, - u32 omi, unsigned long rpn, u32 snoopid, u32 stashid, - int prot) + u32 omi, u32 stashid, int prot) { struct paace *ppaace; @@ -234,13 +230,9 @@ int pamu_config_ppaace(int liodn, phys_addr_t win_addr, phys_addr_t win_size, if (~stashid != 0) set_bf(ppaace->impl_attr, PAACE_IA_CID, stashid); - /* configure snoop id */ - if (~snoopid != 0) - ppaace->domain_attr.to_host.snpid = snoopid; - set_bf(ppaace->impl_attr, PAACE_IA_ATM, PAACE_ATM_WINDOW_XLATE); - ppaace->twbah = rpn >> 20; - set_bf(ppaace->win_bitfields, PAACE_WIN_TWBAL, rpn); + ppaace->twbah = 0; + set_bf(ppaace->win_bitfields, PAACE_WIN_TWBAL, 0); set_bf(ppaace->addr_bitfields, PAACE_AF_AP, prot); set_bf(ppaace->impl_attr, PAACE_IA_WCE, 0); set_bf(ppaace->addr_bitfields, PPAACE_AF_MW, 0); diff --git a/drivers/iommu/fsl_pamu.h b/drivers/iommu/fsl_pamu.h index 04fd843d718dd1..c96b29f0c7077f 100644 --- a/drivers/iommu/fsl_pamu.h +++ b/drivers/iommu/fsl_pamu.h @@ -384,8 +384,7 @@ int pamu_domain_init(void); int pamu_enable_liodn(int liodn); int pamu_disable_liodn(int liodn); int pamu_config_ppaace(int liodn, phys_addr_t win_addr, phys_addr_t win_size, - u32 omi, unsigned long rpn, u32 snoopid, uint32_t stashid, - int prot); + u32 omi, uint32_t stashid, int prot); u32 get_stash_id(u32 stash_dest_hint, u32 vcpu); void get_ome_index(u32 *omi_index, struct device *dev); diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index e9c1e0dd68f084..c83f1e7c2cb0c9 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -96,13 +96,13 @@ static int pamu_set_liodn(struct fsl_dma_domain *dma_domain, struct device *dev, if (ret) goto out_unlock; ret = pamu_config_ppaace(liodn, geom->aperture_start, - geom->aperture_end + 1, omi_index, 0, - ~(u32)0, dma_domain->stash_id, 0); + geom->aperture_end + 1, omi_index, + dma_domain->stash_id, 0); if (ret) goto out_unlock; ret = pamu_config_ppaace(liodn, geom->aperture_start, geom->aperture_end + 1, ~(u32)0, - 0, ~(u32)0, dma_domain->stash_id, + dma_domain->stash_id, PAACE_AP_PERMS_QUERY | PAACE_AP_PERMS_UPDATE); out_unlock: spin_unlock_irqrestore(&iommu_lock, flags);