From patchwork Mon Nov 11 04:22:07 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Popple X-Patchwork-Id: 290133 X-Patchwork-Delegate: benh@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id E14542C0348 for ; Mon, 11 Nov 2013 15:22:59 +1100 (EST) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [IPv6:2001:44b8:8060:ff02:300:1:2:7]) by ozlabs.org (Postfix) with ESMTP id 15E5D2C0185 for ; Mon, 11 Nov 2013 15:22:09 +1100 (EST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4EALxagFKl5H4J/2dsb2JhbABZwyKBRHSCJgEFJ1IQCElXGYgBvWSOKYE+B4QwA5Qug2GSCoFogVIogS0 Received: from ibmaus65.lnk.telstra.net (HELO localhost) ([165.228.126.9]) by ipmail07.adl2.internode.on.net with ESMTP; 11 Nov 2013 14:52:08 +1030 From: Alistair Popple To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 1/3] powerpc iommu: Update constant names to reflect their hardcoded page size Date: Mon, 11 Nov 2013 15:22:07 +1100 Message-Id: <1384143729-14491-2-git-send-email-alistair@popple.id.au> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1384143729-14491-1-git-send-email-alistair@popple.id.au> References: <1384143729-14491-1-git-send-email-alistair@popple.id.au> Cc: Alistair Popple X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.16rc2 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The powerpc iommu uses a hardcoded page size of 4K. This patch changes the name of the IOMMU_PAGE_* macros to reflect the hardcoded values. A future patch will use the existing names to support dynamic page sizes. Signed-off-by: Alistair Popple --- arch/powerpc/include/asm/iommu.h | 10 ++-- arch/powerpc/kernel/dma-iommu.c | 4 +- arch/powerpc/kernel/iommu.c | 80 ++++++++++++++++---------------- arch/powerpc/kernel/vio.c | 19 ++++---- arch/powerpc/platforms/powernv/pci.c | 2 +- arch/powerpc/platforms/pseries/iommu.c | 8 ++-- arch/powerpc/platforms/pseries/setup.c | 4 +- drivers/net/ethernet/ibm/ibmveth.c | 9 ++-- 8 files changed, 69 insertions(+), 67 deletions(-) diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index c34656a..e53de39 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -30,10 +30,10 @@ #include #include -#define IOMMU_PAGE_SHIFT 12 -#define IOMMU_PAGE_SIZE (ASM_CONST(1) << IOMMU_PAGE_SHIFT) -#define IOMMU_PAGE_MASK (~((1 << IOMMU_PAGE_SHIFT) - 1)) -#define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE) +#define IOMMU_PAGE_SHIFT_4K 12 +#define IOMMU_PAGE_SIZE_4K (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K) +#define IOMMU_PAGE_MASK_4K (~((1 << IOMMU_PAGE_SHIFT_4K) - 1)) +#define IOMMU_PAGE_ALIGN_4K(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE_4K) /* Boot time flags */ extern int iommu_is_off; @@ -42,7 +42,7 @@ extern int iommu_force_on; /* Pure 2^n version of get_order */ static __inline__ __attribute_const__ int get_iommu_order(unsigned long size) { - return __ilog2((size - 1) >> IOMMU_PAGE_SHIFT) + 1; + return __ilog2((size - 1) >> IOMMU_PAGE_SHIFT_4K) + 1; } diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index e489752..5cfe3db 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -83,10 +83,10 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask) return 0; } - if (tbl->it_offset > (mask >> IOMMU_PAGE_SHIFT)) { + if (tbl->it_offset > (mask >> IOMMU_PAGE_SHIFT_4K)) { dev_info(dev, "Warning: IOMMU offset too big for device mask\n"); dev_info(dev, "mask: 0x%08llx, table offset: 0x%08lx\n", - mask, tbl->it_offset << IOMMU_PAGE_SHIFT); + mask, tbl->it_offset << IOMMU_PAGE_SHIFT_4K); return 0; } else return 1; diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 572bb5b..6bc5d14 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -251,14 +251,14 @@ again: if (dev) boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1, - 1 << IOMMU_PAGE_SHIFT); + 1 << IOMMU_PAGE_SHIFT_4K); else - boundary_size = ALIGN(1UL << 32, 1 << IOMMU_PAGE_SHIFT); + boundary_size = ALIGN(1UL << 32, 1 << IOMMU_PAGE_SHIFT_4K); /* 4GB boundary for iseries_hv_alloc and iseries_hv_map */ n = iommu_area_alloc(tbl->it_map, limit, start, npages, - tbl->it_offset, boundary_size >> IOMMU_PAGE_SHIFT, - align_mask); + tbl->it_offset, boundary_size >> IOMMU_PAGE_SHIFT_4K, + align_mask); if (n == -1) { if (likely(pass == 0)) { /* First try the pool from the start */ @@ -320,12 +320,12 @@ static dma_addr_t iommu_alloc(struct device *dev, struct iommu_table *tbl, return DMA_ERROR_CODE; entry += tbl->it_offset; /* Offset into real TCE table */ - ret = entry << IOMMU_PAGE_SHIFT; /* Set the return dma address */ + ret = entry << IOMMU_PAGE_SHIFT_4K; /* Set the return dma address */ /* Put the TCEs in the HW table */ build_fail = ppc_md.tce_build(tbl, entry, npages, - (unsigned long)page & IOMMU_PAGE_MASK, - direction, attrs); + (unsigned long)page & IOMMU_PAGE_MASK_4K, + direction, attrs); /* ppc_md.tce_build() only returns non-zero for transient errors. * Clean up the table bitmap in this case and return @@ -352,7 +352,7 @@ static bool iommu_free_check(struct iommu_table *tbl, dma_addr_t dma_addr, { unsigned long entry, free_entry; - entry = dma_addr >> IOMMU_PAGE_SHIFT; + entry = dma_addr >> IOMMU_PAGE_SHIFT_4K; free_entry = entry - tbl->it_offset; if (((free_entry + npages) > tbl->it_size) || @@ -401,7 +401,7 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, unsigned long flags; struct iommu_pool *pool; - entry = dma_addr >> IOMMU_PAGE_SHIFT; + entry = dma_addr >> IOMMU_PAGE_SHIFT_4K; free_entry = entry - tbl->it_offset; pool = get_pool(tbl, free_entry); @@ -468,13 +468,13 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, } /* Allocate iommu entries for that segment */ vaddr = (unsigned long) sg_virt(s); - npages = iommu_num_pages(vaddr, slen, IOMMU_PAGE_SIZE); + npages = iommu_num_pages(vaddr, slen, IOMMU_PAGE_SIZE_4K); align = 0; - if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE && + if (IOMMU_PAGE_SHIFT_4K < PAGE_SHIFT && slen >= PAGE_SIZE && (vaddr & ~PAGE_MASK) == 0) - align = PAGE_SHIFT - IOMMU_PAGE_SHIFT; + align = PAGE_SHIFT - IOMMU_PAGE_SHIFT_4K; entry = iommu_range_alloc(dev, tbl, npages, &handle, - mask >> IOMMU_PAGE_SHIFT, align); + mask >> IOMMU_PAGE_SHIFT_4K, align); DBG(" - vaddr: %lx, size: %lx\n", vaddr, slen); @@ -489,16 +489,16 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, /* Convert entry to a dma_addr_t */ entry += tbl->it_offset; - dma_addr = entry << IOMMU_PAGE_SHIFT; - dma_addr |= (s->offset & ~IOMMU_PAGE_MASK); + dma_addr = entry << IOMMU_PAGE_SHIFT_4K; + dma_addr |= (s->offset & ~IOMMU_PAGE_MASK_4K); DBG(" - %lu pages, entry: %lx, dma_addr: %lx\n", npages, entry, dma_addr); /* Insert into HW table */ build_fail = ppc_md.tce_build(tbl, entry, npages, - vaddr & IOMMU_PAGE_MASK, - direction, attrs); + vaddr & IOMMU_PAGE_MASK_4K, + direction, attrs); if(unlikely(build_fail)) goto failure; @@ -559,9 +559,9 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, if (s->dma_length != 0) { unsigned long vaddr, npages; - vaddr = s->dma_address & IOMMU_PAGE_MASK; + vaddr = s->dma_address & IOMMU_PAGE_MASK_4K; npages = iommu_num_pages(s->dma_address, s->dma_length, - IOMMU_PAGE_SIZE); + IOMMU_PAGE_SIZE_4K); __iommu_free(tbl, vaddr, npages); s->dma_address = DMA_ERROR_CODE; s->dma_length = 0; @@ -592,7 +592,7 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, if (sg->dma_length == 0) break; npages = iommu_num_pages(dma_handle, sg->dma_length, - IOMMU_PAGE_SIZE); + IOMMU_PAGE_SIZE_4K); __iommu_free(tbl, dma_handle, npages); sg = sg_next(sg); } @@ -676,7 +676,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) set_bit(0, tbl->it_map); /* We only split the IOMMU table if we have 1GB or more of space */ - if ((tbl->it_size << IOMMU_PAGE_SHIFT) >= (1UL * 1024 * 1024 * 1024)) + if ((tbl->it_size << IOMMU_PAGE_SHIFT_4K) >= (1UL * 1024 * 1024 * 1024)) tbl->nr_pools = IOMMU_NR_POOLS; else tbl->nr_pools = 1; @@ -768,16 +768,16 @@ dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl, vaddr = page_address(page) + offset; uaddr = (unsigned long)vaddr; - npages = iommu_num_pages(uaddr, size, IOMMU_PAGE_SIZE); + npages = iommu_num_pages(uaddr, size, IOMMU_PAGE_SIZE_4K); if (tbl) { align = 0; - if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && size >= PAGE_SIZE && + if (IOMMU_PAGE_SHIFT_4K < PAGE_SHIFT && size >= PAGE_SIZE && ((unsigned long)vaddr & ~PAGE_MASK) == 0) - align = PAGE_SHIFT - IOMMU_PAGE_SHIFT; + align = PAGE_SHIFT - IOMMU_PAGE_SHIFT_4K; dma_handle = iommu_alloc(dev, tbl, vaddr, npages, direction, - mask >> IOMMU_PAGE_SHIFT, align, + mask >> IOMMU_PAGE_SHIFT_4K, align, attrs); if (dma_handle == DMA_ERROR_CODE) { if (printk_ratelimit()) { @@ -786,7 +786,7 @@ dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl, npages); } } else - dma_handle |= (uaddr & ~IOMMU_PAGE_MASK); + dma_handle |= (uaddr & ~IOMMU_PAGE_MASK_4K); } return dma_handle; @@ -801,7 +801,7 @@ void iommu_unmap_page(struct iommu_table *tbl, dma_addr_t dma_handle, BUG_ON(direction == DMA_NONE); if (tbl) { - npages = iommu_num_pages(dma_handle, size, IOMMU_PAGE_SIZE); + npages = iommu_num_pages(dma_handle, size, IOMMU_PAGE_SIZE_4K); iommu_free(tbl, dma_handle, npages); } } @@ -845,10 +845,10 @@ void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, memset(ret, 0, size); /* Set up tces to cover the allocated range */ - nio_pages = size >> IOMMU_PAGE_SHIFT; + nio_pages = size >> IOMMU_PAGE_SHIFT_4K; io_order = get_iommu_order(size); mapping = iommu_alloc(dev, tbl, ret, nio_pages, DMA_BIDIRECTIONAL, - mask >> IOMMU_PAGE_SHIFT, io_order, NULL); + mask >> IOMMU_PAGE_SHIFT_4K, io_order, NULL); if (mapping == DMA_ERROR_CODE) { free_pages((unsigned long)ret, order); return NULL; @@ -864,7 +864,7 @@ void iommu_free_coherent(struct iommu_table *tbl, size_t size, unsigned int nio_pages; size = PAGE_ALIGN(size); - nio_pages = size >> IOMMU_PAGE_SHIFT; + nio_pages = size >> IOMMU_PAGE_SHIFT_4K; iommu_free(tbl, dma_handle, nio_pages); size = PAGE_ALIGN(size); free_pages((unsigned long)vaddr, get_order(size)); @@ -935,10 +935,10 @@ int iommu_tce_clear_param_check(struct iommu_table *tbl, if (tce_value) return -EINVAL; - if (ioba & ~IOMMU_PAGE_MASK) + if (ioba & ~IOMMU_PAGE_MASK_4K) return -EINVAL; - ioba >>= IOMMU_PAGE_SHIFT; + ioba >>= IOMMU_PAGE_SHIFT_4K; if (ioba < tbl->it_offset) return -EINVAL; @@ -955,13 +955,13 @@ int iommu_tce_put_param_check(struct iommu_table *tbl, if (!(tce & (TCE_PCI_WRITE | TCE_PCI_READ))) return -EINVAL; - if (tce & ~(IOMMU_PAGE_MASK | TCE_PCI_WRITE | TCE_PCI_READ)) + if (tce & ~(IOMMU_PAGE_MASK_4K | TCE_PCI_WRITE | TCE_PCI_READ)) return -EINVAL; - if (ioba & ~IOMMU_PAGE_MASK) + if (ioba & ~IOMMU_PAGE_MASK_4K) return -EINVAL; - ioba >>= IOMMU_PAGE_SHIFT; + ioba >>= IOMMU_PAGE_SHIFT_4K; if (ioba < tbl->it_offset) return -EINVAL; @@ -1037,7 +1037,7 @@ int iommu_tce_build(struct iommu_table *tbl, unsigned long entry, /* if (unlikely(ret)) pr_err("iommu_tce: %s failed on hwaddr=%lx ioba=%lx kva=%lx ret=%d\n", - __func__, hwaddr, entry << IOMMU_PAGE_SHIFT, + __func__, hwaddr, entry << IOMMU_PAGE_SHIFT_4K, hwaddr, ret); */ return ret; @@ -1049,14 +1049,14 @@ int iommu_put_tce_user_mode(struct iommu_table *tbl, unsigned long entry, { int ret; struct page *page = NULL; - unsigned long hwaddr, offset = tce & IOMMU_PAGE_MASK & ~PAGE_MASK; + unsigned long hwaddr, offset = tce & IOMMU_PAGE_MASK_4K & ~PAGE_MASK; enum dma_data_direction direction = iommu_tce_direction(tce); ret = get_user_pages_fast(tce & PAGE_MASK, 1, direction != DMA_TO_DEVICE, &page); if (unlikely(ret != 1)) { /* pr_err("iommu_tce: get_user_pages_fast failed tce=%lx ioba=%lx ret=%d\n", - tce, entry << IOMMU_PAGE_SHIFT, ret); */ + tce, entry << IOMMU_PAGE_SHIFT_4K, ret); */ return -EFAULT; } hwaddr = (unsigned long) page_address(page) + offset; @@ -1067,7 +1067,7 @@ int iommu_put_tce_user_mode(struct iommu_table *tbl, unsigned long entry, if (ret < 0) pr_err("iommu_tce: %s failed ioba=%lx, tce=%lx, ret=%d\n", - __func__, entry << IOMMU_PAGE_SHIFT, tce, ret); + __func__, entry << IOMMU_PAGE_SHIFT_4K, tce, ret); return ret; } @@ -1164,7 +1164,7 @@ static int __init tce_iommu_init(void) { struct pci_dev *pdev = NULL; - BUILD_BUG_ON(PAGE_SIZE < IOMMU_PAGE_SIZE); + BUILD_BUG_ON(PAGE_SIZE < IOMMU_PAGE_SIZE_4K); for_each_pci_dev(pdev) iommu_add_device(&pdev->dev); diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index d38cc08..a93e501 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -520,14 +520,14 @@ static dma_addr_t vio_dma_iommu_map_page(struct device *dev, struct page *page, struct vio_dev *viodev = to_vio_dev(dev); dma_addr_t ret = DMA_ERROR_CODE; - if (vio_cmo_alloc(viodev, roundup(size, IOMMU_PAGE_SIZE))) { + if (vio_cmo_alloc(viodev, roundup(size, IOMMU_PAGE_SIZE_4K))) { atomic_inc(&viodev->cmo.allocs_failed); return ret; } ret = dma_iommu_ops.map_page(dev, page, offset, size, direction, attrs); if (unlikely(dma_mapping_error(dev, ret))) { - vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE)); + vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE_4K)); atomic_inc(&viodev->cmo.allocs_failed); } @@ -543,7 +543,7 @@ static void vio_dma_iommu_unmap_page(struct device *dev, dma_addr_t dma_handle, dma_iommu_ops.unmap_page(dev, dma_handle, size, direction, attrs); - vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE)); + vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE_4K)); } static int vio_dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist, @@ -556,7 +556,7 @@ static int vio_dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist, size_t alloc_size = 0; for (sgl = sglist; count < nelems; count++, sgl++) - alloc_size += roundup(sgl->length, IOMMU_PAGE_SIZE); + alloc_size += roundup(sgl->length, IOMMU_PAGE_SIZE_4K); if (vio_cmo_alloc(viodev, alloc_size)) { atomic_inc(&viodev->cmo.allocs_failed); @@ -572,7 +572,7 @@ static int vio_dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist, } for (sgl = sglist, count = 0; count < ret; count++, sgl++) - alloc_size -= roundup(sgl->dma_length, IOMMU_PAGE_SIZE); + alloc_size -= roundup(sgl->dma_length, IOMMU_PAGE_SIZE_4K); if (alloc_size) vio_cmo_dealloc(viodev, alloc_size); @@ -590,7 +590,7 @@ static void vio_dma_iommu_unmap_sg(struct device *dev, int count = 0; for (sgl = sglist; count < nelems; count++, sgl++) - alloc_size += roundup(sgl->dma_length, IOMMU_PAGE_SIZE); + alloc_size += roundup(sgl->dma_length, IOMMU_PAGE_SIZE_4K); dma_iommu_ops.unmap_sg(dev, sglist, nelems, direction, attrs); @@ -736,7 +736,8 @@ static int vio_cmo_bus_probe(struct vio_dev *viodev) return -EINVAL; } - viodev->cmo.desired = IOMMU_PAGE_ALIGN(viodrv->get_desired_dma(viodev)); + viodev->cmo.desired = + IOMMU_PAGE_ALIGN_4K(viodrv->get_desired_dma(viodev)); if (viodev->cmo.desired < VIO_CMO_MIN_ENT) viodev->cmo.desired = VIO_CMO_MIN_ENT; size = VIO_CMO_MIN_ENT; @@ -1170,9 +1171,9 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev) &tbl->it_index, &offset, &size); /* TCE table size - measured in tce entries */ - tbl->it_size = size >> IOMMU_PAGE_SHIFT; + tbl->it_size = size >> IOMMU_PAGE_SHIFT_4K; /* offset for VIO should always be 0 */ - tbl->it_offset = offset >> IOMMU_PAGE_SHIFT; + tbl->it_offset = offset >> IOMMU_PAGE_SHIFT_4K; tbl->it_busno = 0; tbl->it_type = TCE_VB; tbl->it_blocksize = 16; diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index a28d3b5..78b231c 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -452,7 +452,7 @@ void pnv_pci_setup_iommu_table(struct iommu_table *tbl, { tbl->it_blocksize = 16; tbl->it_base = (unsigned long)tce_mem; - tbl->it_offset = dma_offset >> IOMMU_PAGE_SHIFT; + tbl->it_offset = dma_offset >> IOMMU_PAGE_SHIFT_4K; tbl->it_index = 0; tbl->it_size = tce_size >> 3; tbl->it_busno = 0; diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 0307901..007c21f 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -487,7 +487,7 @@ static void iommu_table_setparms(struct pci_controller *phb, tbl->it_busno = phb->bus->number; /* Units of tce entries */ - tbl->it_offset = phb->dma_window_base_cur >> IOMMU_PAGE_SHIFT; + tbl->it_offset = phb->dma_window_base_cur >> IOMMU_PAGE_SHIFT_4K; /* Test if we are going over 2GB of DMA space */ if (phb->dma_window_base_cur + phb->dma_window_size > 0x80000000ul) { @@ -498,7 +498,7 @@ static void iommu_table_setparms(struct pci_controller *phb, phb->dma_window_base_cur += phb->dma_window_size; /* Set the tce table size - measured in entries */ - tbl->it_size = phb->dma_window_size >> IOMMU_PAGE_SHIFT; + tbl->it_size = phb->dma_window_size >> IOMMU_PAGE_SHIFT_4K; tbl->it_index = 0; tbl->it_blocksize = 16; @@ -539,8 +539,8 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb, tbl->it_base = 0; tbl->it_blocksize = 16; tbl->it_type = TCE_PCI; - tbl->it_offset = offset >> IOMMU_PAGE_SHIFT; - tbl->it_size = size >> IOMMU_PAGE_SHIFT; + tbl->it_offset = offset >> IOMMU_PAGE_SHIFT_4K; + tbl->it_size = size >> IOMMU_PAGE_SHIFT_4K; } static void pci_dma_bus_setup_pSeries(struct pci_bus *bus) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 1f97e2b..17d6f8a 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -72,7 +72,7 @@ int CMO_PrPSP = -1; int CMO_SecPSP = -1; -unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT); +unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K); EXPORT_SYMBOL(CMO_PageSize); int fwnmi_active; /* TRUE if an FWNMI handler is present */ @@ -543,7 +543,7 @@ void pSeries_cmo_feature_init(void) { char *ptr, *key, *value, *end; int call_status; - int page_order = IOMMU_PAGE_SHIFT; + int page_order = IOMMU_PAGE_SHIFT_4K; pr_debug(" -> fw_cmo_feature_init()\n"); spin_lock(&rtas_data_buf_lock); diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 5d41aee..eef362d 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1282,24 +1282,25 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev) /* netdev inits at probe time along with the structures we need below*/ if (netdev == NULL) - return IOMMU_PAGE_ALIGN(IBMVETH_IO_ENTITLEMENT_DEFAULT); + return IOMMU_PAGE_ALIGN_4K(IBMVETH_IO_ENTITLEMENT_DEFAULT); adapter = netdev_priv(netdev); ret = IBMVETH_BUFF_LIST_SIZE + IBMVETH_FILT_LIST_SIZE; - ret += IOMMU_PAGE_ALIGN(netdev->mtu); + ret += IOMMU_PAGE_ALIGN_4K(netdev->mtu); for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { /* add the size of the active receive buffers */ if (adapter->rx_buff_pool[i].active) ret += adapter->rx_buff_pool[i].size * - IOMMU_PAGE_ALIGN(adapter->rx_buff_pool[i]. + IOMMU_PAGE_ALIGN_4K(adapter->rx_buff_pool[i]. buff_size); rxqentries += adapter->rx_buff_pool[i].size; } /* add the size of the receive queue entries */ - ret += IOMMU_PAGE_ALIGN(rxqentries * sizeof(struct ibmveth_rx_q_entry)); + ret += IOMMU_PAGE_ALIGN_4K( + rxqentries * sizeof(struct ibmveth_rx_q_entry)); return ret; }