From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Tue, 22 May 2018 12:04:07 +0000 Subject: [PATCH 02/25] hexagon: implement the sync_sg_for_device DMA operation Message-Id: <20180522120430.28709-3-hch@lst.de> List-Id: References: <20180522120430.28709-1-hch@lst.de> In-Reply-To: <20180522120430.28709-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: iommu@lists.linux-foundation.org Cc: linux-arch@vger.kernel.org, Michal Simek , Greentime Hu , Vincent Chen , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-m68k@lists.linux-m68k.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr = HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.17.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 02/25] hexagon: implement the sync_sg_for_device DMA operation Date: Tue, 22 May 2018 14:04:07 +0200 Message-ID: <20180522120430.28709-3-hch@lst.de> References: <20180522120430.28709-1-hch@lst.de> Cc: linux-arch@vger.kernel.org, Michal Simek , Greentime Hu , Vincent Chen , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-m68k@lists.linux-m68k.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org To: iommu@lists.linux-foundation.org Return-path: In-Reply-To: <20180522120430.28709-1-hch@lst.de> List-ID: List-Id: linux-parisc.vger.kernel.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr == HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.17.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751801AbeEVMFC (ORCPT ); Tue, 22 May 2018 08:05:02 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:51658 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751605AbeEVMEy (ORCPT ); Tue, 22 May 2018 08:04:54 -0400 From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: linux-arch@vger.kernel.org, Michal Simek , Greentime Hu , Vincent Chen , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-m68k@vger.kernel.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/25] hexagon: implement the sync_sg_for_device DMA operation Date: Tue, 22 May 2018 14:04:07 +0200 Message-Id: <20180522120430.28709-3-hch@lst.de> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180522120430.28709-1-hch@lst.de> References: <20180522120430.28709-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr == HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.17.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Tue, 22 May 2018 14:04:07 +0200 Subject: [PATCH 02/25] hexagon: implement the sync_sg_for_device DMA operation In-Reply-To: <20180522120430.28709-1-hch@lst.de> References: <20180522120430.28709-1-hch@lst.de> List-ID: Message-ID: <20180522120430.28709-3-hch@lst.de> To: linux-snps-arc@lists.infradead.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr == HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.17.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Tue, 22 May 2018 14:04:07 +0200 Subject: [PATCH 02/25] hexagon: implement the sync_sg_for_device DMA operation In-Reply-To: <20180522120430.28709-1-hch@lst.de> References: <20180522120430.28709-1-hch@lst.de> Message-ID: <20180522120430.28709-3-hch@lst.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr == HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.17.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Tue, 22 May 2018 14:04:07 +0200 Subject: [OpenRISC] [PATCH 02/25] hexagon: implement the sync_sg_for_device DMA operation In-Reply-To: <20180522120430.28709-1-hch@lst.de> References: <20180522120430.28709-1-hch@lst.de> Message-ID: <20180522120430.28709-3-hch@lst.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr == HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.17.0