From patchwork Mon Sep 14 14:44:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11774131 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0318259D for ; Mon, 14 Sep 2020 15:13:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9005A208B3 for ; Mon, 14 Sep 2020 15:13:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="dP3pKRmp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9005A208B3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7DCBE6B0075; Mon, 14 Sep 2020 11:13:35 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 78EFB8E0001; Mon, 14 Sep 2020 11:13:35 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 67BDD6B007B; Mon, 14 Sep 2020 11:13:35 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0029.hostedemail.com [216.40.44.29]) by kanga.kvack.org (Postfix) with ESMTP id 51D7A6B0075 for ; Mon, 14 Sep 2020 11:13:35 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id EF373180AD815 for ; Mon, 14 Sep 2020 15:13:34 +0000 (UTC) X-FDA: 77262011148.30.ray92_4f0749927109 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id B47A5180B3C8B for ; Mon, 14 Sep 2020 15:13:34 +0000 (UTC) X-Spam-Summary: 1,0,0,4253dcfa647a9520,d41d8cd98f00b204,batv+f2a99f5c6bac7fc0c2d4+6231+infradead.org+hch@casper.srs.infradead.org,,RULES_HIT:41:334:355:368:369:379:541:800:960:982:988:989:1260:1311:1314:1345:1359:1437:1515:1535:1544:1711:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3355:3865:3867:3870:4117:4250:4605:5007:6117:6261:6653:6742:8603:10004:11026:11473:11658:11914:12043:12048:12114:12160:12296:12297:12438:12517:12519:12555:12895:13095:13138:13231:13894:14181:14394:14721:21080:21433:21450:21451:21627:21990:30054:30080:30089,0,RBL:90.155.50.34:@casper.srs.infradead.org:.lbl8.mailshell.net-62.8.15.100 64.201.201.201;04y8prjk4pr1tfi6td81tyj9kayqpoc1u5xtq9uwo8oep3sk4ktb9swcbcmmmwz.drk7we9g8ph457jt4z8jq7cjgckitazreadktxaoymu4uspprgwj8s34hf5gf1z.e-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none X-HE-Tag: ray92_4f0749927109 X-Filterd-Recvd-Size: 6588 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Mon, 14 Sep 2020 15:13:34 +0000 (UTC) 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=RqQGv7rUrofRqLyMSzfEtcHVgVUslC8cDoNR577KrIg=; b=dP3pKRmpC+I0E+dOSbraRXJ35X 3haQwB40uPuLpGR5zn67wQbMCYeYUDIDCnlsB5tNCLi9vaoDWIjbKg2ty0ncKAbUYHiAWQ1Gwe4T2 /L1d3ii2rUMCke8WZymWHb2tl/HocPOnGFPqgOwVy0kntsQ5+2r+a5DBRhRIc7Qwt5AhJHft+rUwc cUuL4BH3aNOU3nrCkiiuv/cztMGgjnYHVBqE36sUV2hPE4iUig7eK9l316jWvenjHMhEIQ2Nevj2v NzaWOE2Dnmj9Uqr/OYUKSLadMvLX2JkZjrKxFODSeBkgfvxBjLKXD/2ClVZgj/x7V7GdULKR4vyHX B3N9jL+g==; Received: from 089144214092.atnat0023.highway.a1.net ([89.144.214.92] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kHqAB-0003UL-04; Mon, 14 Sep 2020 15:13:03 +0000 From: Christoph Hellwig To: Mauro Carvalho Chehab , Thomas Bogendoerfer , "James E.J. Bottomley" , Joonyoung Shim , Seung-Woo Kim , Ben Skeggs , Marek Szyprowski , Tomasz Figa , Matt Porter , iommu@lists.linux-foundation.org Cc: Stefan Richter , linux1394-devel@lists.sourceforge.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org Subject: [PATCH 12/17] 53c700: convert to dma_alloc_noncoherent Date: Mon, 14 Sep 2020 16:44:28 +0200 Message-Id: <20200914144433.1622958-13-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200914144433.1622958-1-hch@lst.de> References: <20200914144433.1622958-1-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-Rspamd-Queue-Id: B47A5180B3C8B X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use the new non-coherent DMA API including proper ownership transfers. Signed-off-by: Christoph Hellwig --- drivers/scsi/53c700.c | 11 +++++++++-- drivers/scsi/53c700.h | 16 ++++++++-------- 2 files changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 9a343f8ecb6c3e..5117d90ccd9edf 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -269,18 +269,25 @@ NCR_700_get_SXFER(struct scsi_device *SDp) spi_period(SDp->sdev_target)); } +static inline dma_addr_t virt_to_dma(struct NCR_700_Host_Parameters *h, void *p) +{ + return h->pScript + ((uintptr_t)p - (uintptr_t)h->script); +} + static inline void dma_sync_to_dev(struct NCR_700_Host_Parameters *h, void *addr, size_t size) { if (h->noncoherent) - dma_cache_sync(h->dev, addr, size, DMA_TO_DEVICE); + dma_sync_single_for_device(h->dev, virt_to_dma(h, addr), + size, DMA_BIDIRECTIONAL); } static inline void dma_sync_from_dev(struct NCR_700_Host_Parameters *h, void *addr, size_t size) { if (h->noncoherent) - dma_cache_sync(h->dev, addr, size, DMA_FROM_DEVICE); + dma_sync_single_for_device(h->dev, virt_to_dma(h, addr), size, + DMA_BIDIRECTIONAL); } struct Scsi_Host * diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h index 0f545b05fe611d..c9f8c497babb3d 100644 --- a/drivers/scsi/53c700.h +++ b/drivers/scsi/53c700.h @@ -423,33 +423,33 @@ struct NCR_700_Host_Parameters { #define NCR_710_MIN_XFERP 0 #define NCR_700_MIN_PERIOD 25 /* for SDTR message, 100ns */ -#define script_patch_32(dev, script, symbol, value) \ +#define script_patch_32(h, script, symbol, value) \ { \ int i; \ dma_addr_t da = value; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ __u32 val = bS_to_cpu((script)[A_##symbol##_used[i]]) + da; \ (script)[A_##symbol##_used[i]] = bS_to_host(val); \ - dma_sync_to_dev((dev), &(script)[A_##symbol##_used[i]], 4); \ + dma_sync_to_dev((h), &(script)[A_##symbol##_used[i]], 4); \ DEBUG((" script, patching %s at %d to %pad\n", \ #symbol, A_##symbol##_used[i], &da)); \ } \ } -#define script_patch_32_abs(dev, script, symbol, value) \ +#define script_patch_32_abs(h, script, symbol, value) \ { \ int i; \ dma_addr_t da = value; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ (script)[A_##symbol##_used[i]] = bS_to_host(da); \ - dma_sync_to_dev((dev), &(script)[A_##symbol##_used[i]], 4); \ + dma_sync_to_dev((h), &(script)[A_##symbol##_used[i]], 4); \ DEBUG((" script, patching %s at %d to %pad\n", \ #symbol, A_##symbol##_used[i], &da)); \ } \ } /* Used for patching the SCSI ID in the SELECT instruction */ -#define script_patch_ID(dev, script, symbol, value) \ +#define script_patch_ID(h, script, symbol, value) \ { \ int i; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ @@ -457,13 +457,13 @@ struct NCR_700_Host_Parameters { val &= 0xff00ffff; \ val |= ((value) & 0xff) << 16; \ (script)[A_##symbol##_used[i]] = bS_to_host(val); \ - dma_sync_to_dev((dev), &(script)[A_##symbol##_used[i]], 4); \ + dma_sync_to_dev((h), &(script)[A_##symbol##_used[i]], 4); \ DEBUG((" script, patching ID field %s at %d to 0x%x\n", \ #symbol, A_##symbol##_used[i], val)); \ } \ } -#define script_patch_16(dev, script, symbol, value) \ +#define script_patch_16(h, script, symbol, value) \ { \ int i; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ @@ -471,7 +471,7 @@ struct NCR_700_Host_Parameters { val &= 0xffff0000; \ val |= ((value) & 0xffff); \ (script)[A_##symbol##_used[i]] = bS_to_host(val); \ - dma_sync_to_dev((dev), &(script)[A_##symbol##_used[i]], 4); \ + dma_sync_to_dev((h), &(script)[A_##symbol##_used[i]], 4); \ DEBUG((" script, patching short field %s at %d to 0x%x\n", \ #symbol, A_##symbol##_used[i], val)); \ } \