From patchwork Mon Mar 14 07:31:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12779656 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 9847AC433F5 for ; Mon, 14 Mar 2022 07:32:15 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.289942.491722 (Exim 4.92) (envelope-from ) id 1nTfBW-0006sT-0W; Mon, 14 Mar 2022 07:32:06 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 289942.491722; Mon, 14 Mar 2022 07:32:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nTfBV-0006rg-Rl; Mon, 14 Mar 2022 07:32:05 +0000 Received: by outflank-mailman (input) for mailman id 289942; Mon, 14 Mar 2022 07:32:05 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nTfBV-00056d-4w for xen-devel@lists.xenproject.org; Mon, 14 Mar 2022 07:32:05 +0000 Received: from bombadil.infradead.org (bombadil.infradead.org [2607:7c80:54:e::133]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d7c160fe-a368-11ec-8eba-a37418f5ba1a; Mon, 14 Mar 2022 08:32:04 +0100 (CET) Received: from [46.140.54.162] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nTfBH-0044b2-Bx; Mon, 14 Mar 2022 07:31:52 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d7c160fe-a368-11ec-8eba-a37418f5ba1a 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=fPQX1tW6oEG+I0H/rxZDFlkVrHm+7UqYHxDjUft+pbI=; b=UaUDSuTfz++xf50tkHNiHGXJZq cJ7jDE7eLn4++IV9Tll52n1Vyta7Quk7g2f3APPp8NZQ82J9lVEH0b+2sz77Kx5Ag19nVkSSMOHca Q+4rQuVGpmGgZutzMpfA5u3XmfFPI5bVsb07TCve+RRWDWakNpqhwENvwDSHO4BZduNpBFXaySMjE UGCLRYOwl0Xqsbq+YUPpW34dps/onEFHOIF/iOXPMh3FmAWkYnxr8hf3aefQd6Yzrs5k6KcfnvkBt bVljteU+8Uox68Ji5IQ+EVsDkRO+On8IRzUH/KkmbM7cukrYjUNKbL5VWd44MaREvLr7mZQKNZUnB NK1I2pAQ==; From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Stefano Stabellini , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org, Thomas Bogendoerfer Subject: [PATCH 06/15] MIPS/octeon: use swiotlb_init instead of open coding it Date: Mon, 14 Mar 2022 08:31:20 +0100 Message-Id: <20220314073129.1862284-7-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220314073129.1862284-1-hch@lst.de> References: <20220314073129.1862284-1-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 Use the generic swiotlb initialization helper instead of open coding it. Signed-off-by: Christoph Hellwig Acked-by: Thomas Bogendoerfer --- arch/mips/cavium-octeon/dma-octeon.c | 15 ++------------- arch/mips/pci/pci-octeon.c | 2 +- 2 files changed, 3 insertions(+), 14 deletions(-) diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index df70308db0e69..fb7547e217263 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -186,15 +186,12 @@ phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) return daddr; } -char *octeon_swiotlb; - void __init plat_swiotlb_setup(void) { phys_addr_t start, end; phys_addr_t max_addr; phys_addr_t addr_size; size_t swiotlbsize; - unsigned long swiotlb_nslabs; u64 i; max_addr = 0; @@ -236,15 +233,7 @@ void __init plat_swiotlb_setup(void) if (OCTEON_IS_OCTEON2() && max_addr >= 0x100000000ul) swiotlbsize = 64 * (1<<20); #endif - swiotlb_nslabs = swiotlbsize >> IO_TLB_SHIFT; - swiotlb_nslabs = ALIGN(swiotlb_nslabs, IO_TLB_SEGSIZE); - swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT; - - octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE); - if (!octeon_swiotlb) - panic("%s: Failed to allocate %zu bytes align=%lx\n", - __func__, swiotlbsize, PAGE_SIZE); - if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM) - panic("Cannot allocate SWIOTLB buffer"); + swiotlb_adjust_size(swiotlbsize); + swiotlb_init(1); } diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c index fc29b85cfa926..e457a18cbdc59 100644 --- a/arch/mips/pci/pci-octeon.c +++ b/arch/mips/pci/pci-octeon.c @@ -664,7 +664,7 @@ static int __init octeon_pci_setup(void) /* BAR1 movable regions contiguous to cover the swiotlb */ octeon_bar1_pci_phys = - virt_to_phys(octeon_swiotlb) & ~((1ull << 22) - 1); + io_tlb_default_mem.start & ~((1ull << 22) - 1); for (index = 0; index < 32; index++) { union cvmx_pci_bar1_indexx bar1_index;