From patchwork Tue Mar 16 15:38:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12143031 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=-17.0 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,URIBL_BLOCKED, 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 E04A3C43381 for ; Tue, 16 Mar 2021 17:01:37 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 7B7D965114 for ; Tue, 16 Mar 2021 17:01:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B7D965114 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ICk7eV34A/HRRXxTXwV0XlqzlBhGOU/EoOJfer304M0=; b=q7tnvNfllukv6+eMa96Quycp/ bb/jzscxuSPG3r+ym6N8XRB3ENsTjEQoZwA6p1vcA4LYN3ZH8oRv6XVTWpKaoqGmwJtQR2+SjO9sG /ELbvYpzvjUIWFMzdG/Lv2wf+f8Nikv6HuHTrFcwCSrtYLPRTmqaIyR1BQEi16FEjeujPmJTHbWQN h940rO7OsJxs7buwk7u5GuiPlHvnbX/7K2BYfBIVto4PJqaAyjM0uflM5vBEO80Igu/lxg7hYMaky ZJWds7OS3kE+HO/bT1nKPodgufYOOQsDAT4wp2EbfvC/ZctMVuqNIvS09uTMY9dOtXFvcUZfKr8OU XmaFZxQNA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMD1r-001HH0-9n; Tue, 16 Mar 2021 16:58:47 +0000 Received: from casper.infradead.org ([90.155.50.34]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lMD1f-001HDR-0V for linux-arm-kernel@desiato.infradead.org; Tue, 16 Mar 2021 16:58:35 +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=nmzQgJQP6/DetTH6ZnA1qw8ORAxBI+pbM/MkV+zmkmM=; b=a9NlqK95hTbckfpKvpR6egtslo D5Cs2CPLERcnJMpuvBKT6+Fk9+YpL/guhrXme3vHDBoSsqUDEAH65xtcz9BCAiG/0FFzklTz1vkn8 /I38qdA9QrRTBss/rIBIYuO832voCNt/UzkX8SwtEFkwKxCzseejM9GPWwHpmshqTNl/O4VzUBTMa Se2ssSHLo7rOnuausx/YzYs+UJmnpCYrJoXg3c+kIA7uVwe3V1sCuq6KuPYaIZi4vmGmqdM686sAc MuRWyTE65hBd/dO7BGLtvXs+fAbNq6+YI1TNHLmyJHNoqVY0tv1YWgPasuYqJ7ATRO4H0JQwViRw2 28OvVVwA==; Received: from 089144199244.atnat0008.highway.a1.net ([89.144.199.244] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lMCTa-000J9w-2k; Tue, 16 Mar 2021 16:23:24 +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 18/18] iommu: remove iommu_domain_{get,set}_attr Date: Tue, 16 Mar 2021 16:38:24 +0100 Message-Id: <20210316153825.135976-19-hch@lst.de> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210316153825.135976-1-hch@lst.de> References: <20210316153825.135976-1-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: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Remove the now unused iommu attr infrastructure. Signed-off-by: Christoph Hellwig Acked-by: Will Deacon --- drivers/iommu/iommu.c | 26 -------------------------- include/linux/iommu.h | 36 ------------------------------------ 2 files changed, 62 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index afd21b37e319ee..d8df26d13c7371 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2662,32 +2662,6 @@ static int __init iommu_init(void) } core_initcall(iommu_init); -int iommu_domain_get_attr(struct iommu_domain *domain, - enum iommu_attr attr, void *data) -{ - if (!domain->ops->domain_get_attr) - return -EINVAL; - return domain->ops->domain_get_attr(domain, attr, data); -} -EXPORT_SYMBOL_GPL(iommu_domain_get_attr); - -int iommu_domain_set_attr(struct iommu_domain *domain, - enum iommu_attr attr, void *data) -{ - int ret = 0; - - switch (attr) { - default: - if (domain->ops->domain_set_attr == NULL) - return -EINVAL; - - ret = domain->ops->domain_set_attr(domain, attr, data); - } - - return ret; -} -EXPORT_SYMBOL_GPL(iommu_domain_set_attr); - int iommu_enable_nesting(struct iommu_domain *domain) { if (domain->type != IOMMU_DOMAIN_UNMANAGED) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index a53d74f2007b14..9319333ca0b827 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -96,20 +96,6 @@ enum iommu_cap { IOMMU_CAP_NOEXEC, /* IOMMU_NOEXEC flag */ }; -/* - * Following constraints are specifc to FSL_PAMUV1: - * -aperture must be power of 2, and naturally aligned - * -number of windows must be power of 2, and address space size - * of each window is determined by aperture size / # of windows - * -the actual size of the mapped region of a window must be power - * of 2 starting with 4KB and physical address must be naturally - * aligned. - */ - -enum iommu_attr { - DOMAIN_ATTR_MAX, -}; - /* These are the possible reserved region types */ enum iommu_resv_type { /* Memory regions which must be mapped 1:1 at all times */ @@ -191,8 +177,6 @@ struct iommu_iotlb_gather { * @probe_finalize: Do final setup work after the device is added to an IOMMU * group and attached to the groups domain * @device_group: find iommu group for a particular device - * @domain_get_attr: Query domain attributes - * @domain_set_attr: Change domain attributes * @enable_nesting: Enable nesting * @set_pgtable_quirks: Set io page table quirks (IO_PGTABLE_QUIRK_*) * @get_resv_regions: Request list of reserved regions for a device @@ -243,10 +227,6 @@ struct iommu_ops { void (*release_device)(struct device *dev); void (*probe_finalize)(struct device *dev); struct iommu_group *(*device_group)(struct device *dev); - int (*domain_get_attr)(struct iommu_domain *domain, - enum iommu_attr attr, void *data); - int (*domain_set_attr)(struct iommu_domain *domain, - enum iommu_attr attr, void *data); int (*enable_nesting)(struct iommu_domain *domain); int (*set_pgtable_quirks)(struct iommu_domain *domain, unsigned long quirks); @@ -493,10 +473,6 @@ extern int iommu_page_response(struct device *dev, extern int iommu_group_id(struct iommu_group *group); extern struct iommu_domain *iommu_group_default_domain(struct iommu_group *); -extern int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr, - void *data); -extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, - void *data); int iommu_enable_nesting(struct iommu_domain *domain); int iommu_set_pgtable_quirks(struct iommu_domain *domain, unsigned long quirks); @@ -869,18 +845,6 @@ static inline int iommu_group_id(struct iommu_group *group) return -ENODEV; } -static inline int iommu_domain_get_attr(struct iommu_domain *domain, - enum iommu_attr attr, void *data) -{ - return -EINVAL; -} - -static inline int iommu_domain_set_attr(struct iommu_domain *domain, - enum iommu_attr attr, void *data) -{ - return -EINVAL; -} - static inline int iommu_set_pgtable_quirks(struct iommu_domain *domain, unsigned long quirks) {