From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E2053C433FE for ; Tue, 15 Nov 2022 15:30:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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=m0wYMmSwSoAXtQ8/6+OvKw5+mHgKURUAeZ1jWkK1kFU=; b=Jz/jFCbl2hhjQ6 Eo0sOuGw2PxS1ty3bvu/aTFebGlyJTB08Z22o2YQimkq5QrEM3ZbUFP1y6lUrGJl5Uh07xU+nbqRB 6lMKPT5uk+E6q4hOQIAzSxGkWC8afl2aTAegwtv7DxBMAbdc18i8xccKIQtIBPMzV+8BufKeCaKra mpqfx5X/WsBYvoktIkt4OMOrQVKQrj800al98CSyBdw2oQhHiRFy6CtTMeaqod4PgG/wPArA/YHhL bAYchd0jXZpIKz8ZvPxI04c1hu5o/q/gQZdJO0f1XpIUxokhacRNo0NP07SBHR4cg1eZVxL9itcVP xiq30foDlV6ghEmuYKyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouxs5-00CIcN-ML; Tue, 15 Nov 2022 15:29:09 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouxq0-00CHYR-TI for linux-arm-kernel@lists.infradead.org; Tue, 15 Nov 2022 15:27:05 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6E1C91570; Tue, 15 Nov 2022 07:27:03 -0800 (PST) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4394F3F587; Tue, 15 Nov 2022 07:26:56 -0800 (PST) From: Robin Murphy To: joro@8bytes.org, will@kernel.org Cc: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, robdclark@gmail.com, yong.wu@mediatek.com Subject: [PATCH 8/9] iommu/io-pgtable-arm-v7s: Remove map/unmap Date: Tue, 15 Nov 2022 15:26:42 +0000 Message-Id: <98481dd7e3576b74149ce2de8f217338ee1dd490.1668100209.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.36.1.dirty In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221115_072701_113864_3FB3E48F X-CRM114-Status: GOOD ( 12.73 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org With all users now calling {map,unmap}_pages, remove the wrappers. Signed-off-by: Robin Murphy --- drivers/iommu/io-pgtable-arm-v7s.c | 41 +++++++++++------------------- 1 file changed, 15 insertions(+), 26 deletions(-) diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index ba3115fd0f86..75f244a3e12d 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -564,8 +564,7 @@ static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova, iova += pgsize; paddr += pgsize; - if (mapped) - *mapped += pgsize; + *mapped += pgsize; } /* * Synchronise all PTE updates for the new mapping before there's @@ -576,12 +575,6 @@ static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova, return ret; } -static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova, - phys_addr_t paddr, size_t size, int prot, gfp_t gfp) -{ - return arm_v7s_map_pages(ops, iova, paddr, size, 1, prot, gfp, NULL); -} - static void arm_v7s_free_pgtable(struct io_pgtable *iop) { struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop); @@ -764,12 +757,6 @@ static size_t arm_v7s_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova return unmapped; } -static size_t arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova, - size_t size, struct iommu_iotlb_gather *gather) -{ - return arm_v7s_unmap_pages(ops, iova, size, 1, gather); -} - static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops, unsigned long iova) { @@ -842,9 +829,7 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, goto out_free_data; data->iop.ops = (struct io_pgtable_ops) { - .map = arm_v7s_map, .map_pages = arm_v7s_map_pages, - .unmap = arm_v7s_unmap, .unmap_pages = arm_v7s_unmap_pages, .iova_to_phys = arm_v7s_iova_to_phys, }; @@ -954,6 +939,7 @@ static int __init arm_v7s_do_selftests(void) }; unsigned int iova, size, iova_start; unsigned int i, loopnr = 0; + size_t mapped; selftest_running = true; @@ -984,15 +970,16 @@ static int __init arm_v7s_do_selftests(void) iova = 0; for_each_set_bit(i, &cfg.pgsize_bitmap, BITS_PER_LONG) { size = 1UL << i; - if (ops->map(ops, iova, iova, size, IOMMU_READ | - IOMMU_WRITE | - IOMMU_NOEXEC | - IOMMU_CACHE, GFP_KERNEL)) + if (ops->map_pages(ops, iova, iova, size, 1, + IOMMU_READ | IOMMU_WRITE | + IOMMU_NOEXEC | IOMMU_CACHE, + GFP_KERNEL, &mapped)) return __FAIL(ops); /* Overlapping mappings */ - if (!ops->map(ops, iova, iova + size, size, - IOMMU_READ | IOMMU_NOEXEC, GFP_KERNEL)) + if (!ops->map_pages(ops, iova, iova + size, size, 1, + IOMMU_READ | IOMMU_NOEXEC, GFP_KERNEL, + &mapped)) return __FAIL(ops); if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) @@ -1007,11 +994,12 @@ static int __init arm_v7s_do_selftests(void) size = 1UL << __ffs(cfg.pgsize_bitmap); while (i < loopnr) { iova_start = i * SZ_16M; - if (ops->unmap(ops, iova_start + size, size, NULL) != size) + if (ops->unmap_pages(ops, iova_start + size, size, 1, NULL) != size) return __FAIL(ops); /* Remap of partial unmap */ - if (ops->map(ops, iova_start + size, size, size, IOMMU_READ, GFP_KERNEL)) + if (ops->map_pages(ops, iova_start + size, size, size, 1, + IOMMU_READ, GFP_KERNEL, &mapped)) return __FAIL(ops); if (ops->iova_to_phys(ops, iova_start + size + 42) @@ -1025,14 +1013,15 @@ static int __init arm_v7s_do_selftests(void) for_each_set_bit(i, &cfg.pgsize_bitmap, BITS_PER_LONG) { size = 1UL << i; - if (ops->unmap(ops, iova, size, NULL) != size) + if (ops->unmap_pages(ops, iova, size, 1, NULL) != size) return __FAIL(ops); if (ops->iova_to_phys(ops, iova + 42)) return __FAIL(ops); /* Remap full block */ - if (ops->map(ops, iova, iova, size, IOMMU_WRITE, GFP_KERNEL)) + if (ops->map_pages(ops, iova, iova, size, 1, IOMMU_WRITE, + GFP_KERNEL, &mapped)) return __FAIL(ops); if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- 2.36.1.dirty _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel