| /drivers/spi/ |
| D | spi-pxa2xx-dma.c | 27 int i, nents, len = drv_data->len; in pxa2xx_spi_map_dma_buffer() local
57 nents = DIV_ROUND_UP(len, SZ_2K); in pxa2xx_spi_map_dma_buffer()
58 if (nents != sgt->nents) { in pxa2xx_spi_map_dma_buffer()
62 ret = sg_alloc_table(sgt, nents, GFP_ATOMIC); in pxa2xx_spi_map_dma_buffer()
68 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in pxa2xx_spi_map_dma_buffer()
80 nents = dma_map_sg(dmadev, sgt->sgl, sgt->nents, dir); in pxa2xx_spi_map_dma_buffer()
81 if (!nents) in pxa2xx_spi_map_dma_buffer()
84 return nents; in pxa2xx_spi_map_dma_buffer()
101 dma_unmap_sg(dmadev, sgt->sgl, sgt->nents, dir); in pxa2xx_spi_unmap_dma_buffer()
183 int nents, ret; in pxa2xx_spi_dma_prepare_one() local
[all …]
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| D | spi-ep93xx.c | 557 int i, ret, nents; in ep93xx_spi_dma_prepare() local
597 nents = DIV_ROUND_UP(len, PAGE_SIZE); in ep93xx_spi_dma_prepare()
598 if (nents != sgt->nents) { in ep93xx_spi_dma_prepare()
601 ret = sg_alloc_table(sgt, nents, GFP_KERNEL); in ep93xx_spi_dma_prepare()
607 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in ep93xx_spi_dma_prepare()
627 nents = dma_map_sg(chan->device->dev, sgt->sgl, sgt->nents, dir); in ep93xx_spi_dma_prepare()
628 if (!nents) in ep93xx_spi_dma_prepare()
631 txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents, dir, DMA_CTRL_ACK); in ep93xx_spi_dma_prepare()
633 dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir); in ep93xx_spi_dma_prepare()
661 dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir); in ep93xx_spi_dma_finish()
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| /drivers/crypto/caam/ |
| D | sg_sw_sec4.h | 89 unsigned int nents, enum dma_data_direction dir, in dma_map_sg_chained() argument
94 for (i = 0; i < nents; i++) { in dma_map_sg_chained()
99 dma_map_sg(dev, sg, nents, dir); in dma_map_sg_chained()
101 return nents; in dma_map_sg_chained()
105 unsigned int nents, enum dma_data_direction dir, in dma_unmap_sg_chained() argument
110 for (i = 0; i < nents; i++) { in dma_unmap_sg_chained()
115 dma_unmap_sg(dev, sg, nents, dir); in dma_unmap_sg_chained()
117 return nents; in dma_unmap_sg_chained()
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| /drivers/parisc/ |
| D | ccio-rm-dma.c | 115 static int ccio_map_sg(struct pci_dev *dev, struct scatterlist *sglist, int nents, int direction) in ccio_map_sg() argument
117 int tmp = nents; in ccio_map_sg()
120 while (nents) { in ccio_map_sg()
123 nents--; in ccio_map_sg()
131 static void ccio_unmap_sg(struct pci_dev *dev, struct scatterlist *sglist, int nents, int direction) in ccio_unmap_sg() argument
134 while (nents) { in ccio_unmap_sg()
136 nents--; in ccio_unmap_sg()
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| D | iommu-helpers.h | 14 iommu_fill_pdir(struct ioc *ioc, struct scatterlist *startsg, int nents, in iommu_fill_pdir() argument
29 while (nents-- > 0) { in iommu_fill_pdir()
33 DBG_RUN_SG(" %d : %08lx/%05x %08lx/%05x\n", nents, in iommu_fill_pdir()
101 struct scatterlist *startsg, int nents, in iommu_coalesce_chunks() argument
109 while (nents > 0) { in iommu_coalesce_chunks()
126 while(--nents > 0) { in iommu_coalesce_chunks()
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| D | ccio-dma.c | 901 ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents, in ccio_map_sg() argument
914 DBG_RUN_SG("%s() START %d entries\n", __func__, nents); in ccio_map_sg()
917 if (nents == 1) { in ccio_map_sg()
925 for(i = 0; i < nents; i++) in ccio_map_sg()
942 coalesced = iommu_coalesce_chunks(ioc, dev, sglist, nents, ccio_alloc_range); in ccio_map_sg()
952 filled = iommu_fill_pdir(ioc, sglist, nents, hint, ccio_io_pdir_entry); in ccio_map_sg()
978 ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, in ccio_unmap_sg() argument
987 __func__, nents, sg_virt_addr(sglist), sglist->length); in ccio_unmap_sg()
993 while(sg_dma_len(sglist) && nents--) { in ccio_unmap_sg()
1003 DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents); in ccio_unmap_sg()
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| D | sba_iommu.c | 274 sba_dump_sg( struct ioc *ioc, struct scatterlist *startsg, int nents) in sba_dump_sg() argument
276 while (nents-- > 0) { in sba_dump_sg()
278 nents, in sba_dump_sg()
935 sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, in sba_map_sg() argument
942 DBG_RUN_SG("%s() START %d entries\n", __func__, nents); in sba_map_sg()
947 if (nents == 1) { in sba_map_sg()
960 sba_dump_sg(ioc, sglist, nents); in sba_map_sg()
977 coalesced = iommu_coalesce_chunks(ioc, dev, sglist, nents, sba_alloc_range); in sba_map_sg()
987 filled = iommu_fill_pdir(ioc, sglist, nents, 0, sba_io_pdir_entry); in sba_map_sg()
996 sba_dump_sg(ioc, sglist, nents); in sba_map_sg()
[all …]
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| /drivers/infiniband/core/ |
| D | umem.c | 57 chunk->nents, DMA_BIDIRECTIONAL); in __ib_umem_release()
58 for (i = 0; i < chunk->nents; ++i) { in __ib_umem_release()
174 chunk->nents = min_t(int, ret, IB_UMEM_MAX_PAGE_CHUNK); in ib_umem_get()
175 sg_init_table(chunk->page_list, chunk->nents); in ib_umem_get()
176 for (i = 0; i < chunk->nents; ++i) { in ib_umem_get()
185 chunk->nents, in ib_umem_get()
189 for (i = 0; i < chunk->nents; ++i) in ib_umem_get()
197 ret -= chunk->nents; in ib_umem_get()
198 off += chunk->nents; in ib_umem_get()
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| /drivers/mmc/core/ |
| D | sdio_ops.c | 129 unsigned int nents, left_size, i; in mmc_io_rw_extended() local
160 nents = (left_size - 1) / seg_size + 1; in mmc_io_rw_extended()
161 if (nents > 1) { in mmc_io_rw_extended()
162 if (sg_alloc_table(&sgtable, nents, GFP_KERNEL)) in mmc_io_rw_extended()
166 data.sg_len = nents; in mmc_io_rw_extended()
185 if (nents > 1) in mmc_io_rw_extended()
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| /drivers/infiniband/hw/qib/ |
| D | qib_dma.c | 95 int nents, enum dma_data_direction direction) in qib_map_sg() argument
100 int ret = nents; in qib_map_sg()
104 for_each_sg(sgl, sg, nents, i) { in qib_map_sg()
116 struct scatterlist *sg, int nents, in qib_unmap_sg() argument
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| /drivers/infiniband/hw/ipath/ |
| D | ipath_dma.c | 102 int nents, enum dma_data_direction direction) in ipath_map_sg() argument
107 int ret = nents; in ipath_map_sg()
111 for_each_sg(sgl, sg, nents, i) { in ipath_map_sg()
123 struct scatterlist *sg, int nents, in ipath_unmap_sg() argument
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| /drivers/gpu/drm/exynos/ |
| D | exynos_drm_dmabuf.c | 53 dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, in exynos_gem_detach_dma_buf()
72 int nents, ret; in exynos_gem_map_dma_buf() local
105 nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir); in exynos_gem_map_dma_buf()
106 if (!nents) { in exynos_gem_map_dma_buf()
272 if (sgt->nents == 1) { in exynos_dmabuf_prime_import()
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| D | exynos_drm_gem.c | 97 for_each_sg(buf->sgt->sgl, sgl, buf->sgt->nents, i) { in exynos_drm_gem_map_buf()
622 int nents; in exynos_gem_map_sgt_with_dma() local
626 nents = dma_map_sg(drm_dev->dev, sgt->sgl, sgt->nents, dir); in exynos_gem_map_sgt_with_dma()
627 if (!nents) { in exynos_gem_map_sgt_with_dma()
630 return nents; in exynos_gem_map_sgt_with_dma()
641 dma_unmap_sg(drm_dev->dev, sgt->sgl, sgt->nents, dir); in exynos_gem_unmap_sgt_from_dma()
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| /drivers/gpu/drm/i915/ |
| D | i915_gem_dmabuf.c | 55 ret = sg_alloc_table(st, obj->pages->nents, GFP_KERNEL); in i915_gem_map_dma_buf()
64 for (i = 0; i < obj->pages->nents; i++) { in i915_gem_map_dma_buf()
70 if (!dma_map_sg(attachment->dev, st->sgl, st->nents, dir)) { in i915_gem_map_dma_buf()
88 dma_unmap_sg(attachment->dev, sg->sgl, sg->nents, dir); in i915_gem_unmap_dma_buf()
132 for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) in i915_gem_dmabuf_vmap()
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| /drivers/staging/android/ion/ |
| D | ion_heap.c | 48 for_each_sg(table->sgl, sg, table->nents, i) { in ion_heap_map_kernel()
81 for_each_sg(table->sgl, sg, table->nents, i) { in ion_heap_map_user()
118 static int ion_heap_sglist_zero(struct scatterlist *sgl, unsigned int nents, in ion_heap_sglist_zero() argument
126 for_each_sg_page(sgl, &piter, nents, 0) { in ion_heap_sglist_zero()
151 return ion_heap_sglist_zero(table->sgl, table->nents, pgprot); in ion_heap_buffer_zero()
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| /drivers/video/adf/ |
| D | adf_memblock.c | 31 int nents, ret; in adf_memblock_map() local
43 nents = dma_map_sg(attach->dev, table->sgl, 1, direction); in adf_memblock_map()
44 if (!nents) { in adf_memblock_map()
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| /drivers/misc/ |
| D | tifm_core.c | 296 int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, in tifm_map_sg() argument
299 return pci_map_sg(to_pci_dev(sock->dev.parent), sg, nents, direction); in tifm_map_sg()
303 void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, in tifm_unmap_sg() argument
306 pci_unmap_sg(to_pci_dev(sock->dev.parent), sg, nents, direction); in tifm_unmap_sg()
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| /drivers/scsi/ |
| D | scsi_lib.c | 609 static inline unsigned int scsi_sgtable_index(unsigned short nents) in scsi_sgtable_index() argument
613 BUG_ON(nents > SCSI_MAX_SG_SEGMENTS); in scsi_sgtable_index()
615 if (nents <= 8) in scsi_sgtable_index()
618 index = get_count_order(nents) - 3; in scsi_sgtable_index()
623 static void scsi_sg_free(struct scatterlist *sgl, unsigned int nents) in scsi_sg_free() argument
627 sgp = scsi_sg_pools + scsi_sgtable_index(nents); in scsi_sg_free()
631 static struct scatterlist *scsi_sg_alloc(unsigned int nents, gfp_t gfp_mask) in scsi_sg_alloc() argument
635 sgp = scsi_sg_pools + scsi_sgtable_index(nents); in scsi_sg_alloc()
639 static int scsi_alloc_sgtable(struct scsi_data_buffer *sdb, int nents, in scsi_alloc_sgtable() argument
644 BUG_ON(!nents); in scsi_alloc_sgtable()
[all …]
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| /drivers/scsi/libfc/ |
| D | fc_libfc.c | 113 u32 *nents, size_t *offset, in fc_copy_buffer_to_sglist() argument
128 if (!(*nents)) in fc_copy_buffer_to_sglist()
130 --(*nents); in fc_copy_buffer_to_sglist()
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| /drivers/dma/ |
| D | coh901318_lli.c | 233 struct scatterlist *sgl, unsigned int nents, in coh901318_lli_fill_sg() argument
258 for_each_sg(sgl, sg, nents, i) { in coh901318_lli_fill_sg()
265 } else if (i == nents - 1) in coh901318_lli_fill_sg()
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| /drivers/iommu/ |
| D | omap-iovmm.c | 78 if (!sgt || !sgt->nents) in sgtable_offset()
93 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in sgtable_len()
222 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in vmap_sg()
426 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in sgtable_fill_vmalloc()
466 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in map_iovm_area()
520 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in unmap_iovm_area()
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| /drivers/crypto/ |
| D | picoxcell_crypto.c | 295 unsigned nents, mapped_ents; in spacc_sg_to_ddt() local
300 nents = sg_count(payload, nbytes); in spacc_sg_to_ddt()
301 mapped_ents = dma_map_sg(engine->dev, payload, nents, dir); in spacc_sg_to_ddt()
317 dma_unmap_sg(engine->dev, payload, nents, dir); in spacc_sg_to_ddt()
328 unsigned nents = sg_count(areq->src, areq->cryptlen); in spacc_aead_make_ddts() local
350 src_ents = dma_map_sg(engine->dev, areq->src, nents, in spacc_aead_make_ddts()
352 dst_ents = dma_map_sg(engine->dev, areq->dst, nents, in spacc_aead_make_ddts()
355 src_ents = dma_map_sg(engine->dev, areq->src, nents, in spacc_aead_make_ddts()
412 unsigned nents = sg_count(areq->src, areq->cryptlen); in spacc_aead_free_ddts() local
415 dma_unmap_sg(engine->dev, areq->src, nents, DMA_TO_DEVICE); in spacc_aead_free_ddts()
[all …]
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| /drivers/media/v4l2-core/ |
| D | videobuf2-dma-contig.c | 77 for_each_sg(sgt->sgl, s, sgt->nents, i) { in vb2_dc_get_contiguous_size()
120 dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); in vb2_dc_prepare()
132 dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); in vb2_dc_finish()
573 sgt->nents = dma_map_sg(buf->dev, sgt->sgl, sgt->orig_nents, in vb2_dc_get_userptr()
575 if (sgt->nents <= 0) { in vb2_dc_get_userptr()
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| /drivers/media/common/saa7146/ |
| D | saa7146_core.c | 191 pt->nents = pages; in saa7146_vmalloc_build_pgtable()
192 slen = pci_map_sg(pci,pt->slist,pt->nents,PCI_DMA_FROMDEVICE); in saa7146_vmalloc_build_pgtable()
202 pci_unmap_sg(pci, pt->slist, pt->nents, PCI_DMA_FROMDEVICE); in saa7146_vmalloc_build_pgtable()
216 pci_unmap_sg(pci, pt->slist, pt->nents, PCI_DMA_FROMDEVICE); in saa7146_vfree_destroy_pgtable()
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| /drivers/hsi/ |
| D | hsi.c | 302 struct hsi_msg *hsi_alloc_msg(unsigned int nents, gfp_t flags) in hsi_alloc_msg() argument
311 if (!nents) in hsi_alloc_msg()
314 err = sg_alloc_table(&msg->sgt, nents, flags); in hsi_alloc_msg()
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