Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759201AbYHDQH5 (ORCPT ); Mon, 4 Aug 2008 12:07:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756714AbYHDQFR (ORCPT ); Mon, 4 Aug 2008 12:05:17 -0400 Received: from outbound-wa4.frontbridge.com ([216.32.181.16]:51332 "EHLO WA4EHSOBE004.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755827AbYHDQFP (ORCPT ); Mon, 4 Aug 2008 12:05:15 -0400 X-BigFish: VPS7(zz853kzz10d3izzz32i43j61h) X-Spam-TCS-SCL: 0:0 X-WSS-ID: 0K533C3-03-PIV-01 From: Joerg Roedel To: Andrew Morton CC: mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com, rth@twiddle.net, paulus@samba.org, benh@kernel.crashing.org, davem@davemloft.net, FUJITA Tomonori , Muli Ben-Yehuda , linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 10/10] sparc64: use iommu_num_pages function in IOMMU code Date: Mon, 4 Aug 2008 18:04:50 +0200 Message-ID: <1217865890-3593-11-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.3.7 In-Reply-To: <1217865890-3593-1-git-send-email-joerg.roedel@amd.com> References: <1217865890-3593-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 04 Aug 2008 16:04:51.0792 (UTC) FILETIME=[D3E32D00:01C8F64B] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4048 Lines: 112 Signed-off-by: Joerg Roedel --- arch/sparc64/kernel/iommu.c | 7 ++++--- arch/sparc64/kernel/iommu_common.h | 14 ++------------ arch/sparc64/kernel/pci_sun4v.c | 7 ++++--- 3 files changed, 10 insertions(+), 18 deletions(-) diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c index f73b238..1cc1995 100644 --- a/arch/sparc64/kernel/iommu.c +++ b/arch/sparc64/kernel/iommu.c @@ -575,7 +575,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, } /* Allocate iommu entries for that segment */ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); - npages = iommu_nr_pages(paddr, slen); + npages = iommu_num_pages(paddr, slen, IO_PAGE_SIZE); entry = iommu_range_alloc(dev, iommu, npages, &handle); /* Handle failure */ @@ -647,7 +647,8 @@ iommu_map_failed: iopte_t *base; vaddr = s->dma_address & IO_PAGE_MASK; - npages = iommu_nr_pages(s->dma_address, s->dma_length); + npages = iommu_num_pages(s->dma_address, s->dma_length, + IO_PAGE_SIZE); iommu_range_free(iommu, vaddr, npages); entry = (vaddr - iommu->page_table_map_base) @@ -715,7 +716,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, if (!len) break; - npages = iommu_nr_pages(dma_handle, len); + npages = iommu_num_pages(dma_handle, len, IO_PAGE_SIZE); iommu_range_free(iommu, dma_handle, npages); entry = ((dma_handle - iommu->page_table_map_base) diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h index 202d8ae..591f587 100644 --- a/arch/sparc64/kernel/iommu_common.h +++ b/arch/sparc64/kernel/iommu_common.h @@ -35,17 +35,6 @@ #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) -static inline unsigned long iommu_nr_pages(unsigned long vaddr, - unsigned long slen) -{ - unsigned long npages; - - npages = IO_PAGE_ALIGN(vaddr + slen) - (vaddr & IO_PAGE_MASK); - npages >>= IO_PAGE_SHIFT; - - return npages; -} - static inline int is_span_boundary(unsigned long entry, unsigned long shift, unsigned long boundary_size, @@ -53,7 +42,8 @@ static inline int is_span_boundary(unsigned long entry, struct scatterlist *sg) { unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); - int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length); + int nr = iommu_num_pages(paddr, outs->dma_length + sg->length, + IO_PAGE_SIZE); return iommu_is_span_boundary(entry, nr, shift, boundary_size); } diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 6a53c31..2e2a03c 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -382,7 +382,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, } /* Allocate iommu entries for that segment */ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); - npages = iommu_nr_pages(paddr, slen); + npages = iommu_num_pages(paddr, slen, IO_PAGE_SIZE); entry = iommu_range_alloc(dev, iommu, npages, &handle); /* Handle failure */ @@ -459,7 +459,8 @@ iommu_map_failed: unsigned long vaddr, npages; vaddr = s->dma_address & IO_PAGE_MASK; - npages = iommu_nr_pages(s->dma_address, s->dma_length); + npages = iommu_num_pages(s->dma_address, s->dma_length, + IO_PAGE_SIZE); iommu_range_free(iommu, vaddr, npages); /* XXX demap? XXX */ s->dma_address = DMA_ERROR_CODE; @@ -498,7 +499,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, if (!len) break; - npages = iommu_nr_pages(dma_handle, len); + npages = iommu_num_pages(dma_handle, len, IO_PAGE_SIZE); iommu_range_free(iommu, dma_handle, npages); entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT); -- 1.5.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/