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Searched refs:nents (Results 1 – 25 of 243) sorted by relevance

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/linux-6.3-rc2/lib/
A Dsg_pool.c40 static inline unsigned int sg_pool_index(unsigned short nents) in sg_pool_index() argument
44 BUG_ON(nents > SG_CHUNK_SIZE); in sg_pool_index()
46 if (nents <= 8) in sg_pool_index()
49 index = get_count_order(nents) - 3; in sg_pool_index()
58 sgp = sg_pools + sg_pool_index(nents); in sg_pool_free()
66 sgp = sg_pools + sg_pool_index(nents); in sg_pool_alloc()
117 BUG_ON(!nents); in sg_alloc_table_chained()
120 if (nents <= nents_first_chunk) { in sg_alloc_table_chained()
121 table->nents = table->orig_nents = nents; in sg_alloc_table_chained()
122 sg_init_table(table->sgl, nents); in sg_alloc_table_chained()
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A Dscatterlist.c47 int nents; in sg_nents() local
49 nents++; in sg_nents()
50 return nents; in sg_nents()
70 int nents; in sg_nents_for_len() local
77 nents++; in sg_nents_for_len()
80 return nents; in sg_nents_for_len()
106 for_each_sg(sgl, sg, nents, i) in sg_last()
127 sg_init_marker(sgl, nents); in sg_init_table()
294 if (nents == 0) in __sg_alloc_table()
301 left = nents; in __sg_alloc_table()
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A Dsg_split.c13 int nents; member
20 static int sg_calculate_split(struct scatterlist *in, int nents, int nb_splits, in sg_calculate_split() argument
32 splitters[i].nents = 0; in sg_calculate_split()
35 for_each_sg(in, sg, nents, i) { in sg_calculate_split()
48 curr->nents++; in sg_calculate_split()
59 curr->nents = 1; in sg_calculate_split()
86 for (j = 0; j < split->nents; j++, out_sg++) { in sg_split_phys()
112 for (j = 0; j < split->nents; j++, out_sg++) { in sg_split_mapped()
168 splitters[i].out_sg = kmalloc_array(splitters[i].nents, in sg_split()
190 out_mapped_nents[i] = splitters[i].nents; in sg_split()
A Dkfifo.c296 int nents, unsigned int len) in setup_sgl_buf() argument
303 if (!nents) in setup_sgl_buf()
323 if (++n == nents || sgl == NULL) in setup_sgl_buf()
335 int nents, unsigned int len, unsigned int off) in setup_sgl() argument
350 n = setup_sgl_buf(sgl, fifo->data + off, nents, l); in setup_sgl()
357 struct scatterlist *sgl, int nents, unsigned int len) in __kfifo_dma_in_prepare() argument
365 return setup_sgl(fifo, sgl, nents, len, fifo->in); in __kfifo_dma_in_prepare()
370 struct scatterlist *sgl, int nents, unsigned int len) in __kfifo_dma_out_prepare() argument
378 return setup_sgl(fifo, sgl, nents, len, fifo->out); in __kfifo_dma_out_prepare()
551 BUG_ON(!nents); in __kfifo_dma_in_prepare_r()
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/linux-6.3-rc2/drivers/gpu/drm/virtio/
A Dvirtgpu_gem.c172 objs->nents = 0; in virtio_gpu_array_alloc()
173 objs->total = nents; in virtio_gpu_array_alloc()
192 for (i = 0; i < nents; i++) { in virtio_gpu_array_from_handles()
195 objs->nents = i; in virtio_gpu_array_from_handles()
200 objs->nents = i; in virtio_gpu_array_from_handles()
211 objs->objs[objs->nents] = obj; in virtio_gpu_array_add_obj()
212 objs->nents++; in virtio_gpu_array_add_obj()
220 if (objs->nents == 1) { in virtio_gpu_array_lock_resv()
241 if (objs->nents == 1) { in virtio_gpu_array_unlock_resv()
254 for (i = 0; i < objs->nents; i++) in virtio_gpu_array_add_fence()
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A Dvirtgpu_object.c138 unsigned int *nents) in virtio_gpu_object_shmem_init() argument
150 *nents = pages->nents; in virtio_gpu_object_shmem_init()
152 *nents = pages->orig_nents; in virtio_gpu_object_shmem_init()
154 *ents = kvmalloc_array(*nents, in virtio_gpu_object_shmem_init()
188 unsigned int nents; in virtio_gpu_object_create() local
205 ret = virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents); in virtio_gpu_object_create()
226 ents, nents); in virtio_gpu_object_create()
230 virtio_gpu_object_attach(vgdev, bo, ents, nents); in virtio_gpu_object_create()
234 virtio_gpu_object_attach(vgdev, bo, ents, nents); in virtio_gpu_object_create()
/linux-6.3-rc2/samples/kfifo/
A Ddma-example.c25 unsigned int nents; in example_init() local
63 nents = kfifo_dma_in_prepare(&fifo, sg, ARRAY_SIZE(sg), FIFO_SIZE); in example_init()
64 printk(KERN_INFO "DMA sgl entries: %d\n", nents); in example_init()
65 if (!nents) { in example_init()
73 for (i = 0; i < nents; i++) { in example_init()
93 nents = kfifo_dma_out_prepare(&fifo, sg, ARRAY_SIZE(sg), 8); in example_init()
94 printk(KERN_INFO "DMA sgl entries: %d\n", nents); in example_init()
95 if (!nents) { in example_init()
102 for (i = 0; i < nents; i++) { in example_init()
/linux-6.3-rc2/include/linux/
A Dscatterlist.h41 unsigned int nents; /* number of mapped entries */ member
186 for_each_sg((sgt)->sgl, sg, (sgt)->nents, i)
354 unsigned int nents) in sg_init_marker() argument
356 sg_mark_end(&sgl[nents - 1]); in sg_init_marker()
427 void sgl_free_n_order(struct scatterlist *sgl, int nents, int order);
444 size_t sg_zero_buffer(struct scatterlist *sgl, unsigned int nents,
475 int sg_alloc_table_chained(struct sg_table *table, int nents,
514 struct scatterlist *sglist, unsigned int nents,
547 #define for_each_sg_page(sglist, piter, nents, pgoffset) \ argument
592 for_each_sg_dma_page((sgt)->sgl, dma_iter, (sgt)->nents, pgoffset)
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/linux-6.3-rc2/drivers/hwtracing/intel_th/
A Dmsu-sink.c54 unsigned int nents; in msu_sink_alloc_window() local
62 nents = DIV_ROUND_UP(size, PAGE_SIZE); in msu_sink_alloc_window()
64 ret = sg_alloc_table(*sgt, nents, GFP_KERNEL); in msu_sink_alloc_window()
70 for_each_sg((*sgt)->sgl, sg_ptr, nents, i) { in msu_sink_alloc_window()
80 return nents; in msu_sink_alloc_window()
90 for_each_sg(sgt->sgl, sg_ptr, sgt->nents, i) { in msu_sink_free_window()
/linux-6.3-rc2/drivers/gpu/drm/i915/
A Di915_scatterlist.c21 if (orig_st->nents == orig_st->orig_nents) in i915_sg_trim()
24 if (sg_alloc_table(&new_st, orig_st->nents, GFP_KERNEL | __GFP_NOWARN)) in i915_sg_trim()
28 for_each_sg(orig_st->sgl, sg, orig_st->nents, i) { in i915_sg_trim()
113 st->nents = 0; in i915_rsgt_from_mm_node()
122 if (st->nents) in i915_rsgt_from_mm_node()
130 st->nents++; in i915_rsgt_from_mm_node()
199 st->nents = 0; in i915_rsgt_from_buddy_resource()
212 if (st->nents) in i915_rsgt_from_buddy_resource()
220 st->nents++; in i915_rsgt_from_buddy_resource()
/linux-6.3-rc2/drivers/spi/
A Dspi-dw-dma.c252 u32 nents; in dw_spi_dma_wait_tx_done() local
254 nents = dw_readl(dws, DW_SPI_TXFLR); in dw_spi_dma_wait_tx_done()
256 delay.value = nents * dws->n_bytes * BITS_PER_BYTE; in dw_spi_dma_wait_tx_done()
300 unsigned int nents) in dw_spi_dma_submit_tx() argument
337 u32 nents; in dw_spi_dma_wait_rx_done() local
348 nents = dw_readl(dws, DW_SPI_RXFLR); in dw_spi_dma_wait_rx_done()
349 ns = 4U * NSEC_PER_SEC / dws->max_freq * nents; in dw_spi_dma_wait_rx_done()
401 unsigned int nents) in dw_spi_dma_submit_rx() argument
479 xfer->rx_sg.nents); in dw_spi_dma_transfer_all()
600 unsigned int nents; in dw_spi_dma_transfer() local
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A Dspi-ep93xx.c285 int i, ret, nents; in ep93xx_spi_dma_prepare() local
325 nents = DIV_ROUND_UP(len, PAGE_SIZE); in ep93xx_spi_dma_prepare()
326 if (nents != sgt->nents) { in ep93xx_spi_dma_prepare()
329 ret = sg_alloc_table(sgt, nents, GFP_KERNEL); in ep93xx_spi_dma_prepare()
335 for_each_sg(sgt->sgl, sg, sgt->nents, i) { in ep93xx_spi_dma_prepare()
355 nents = dma_map_sg(chan->device->dev, sgt->sgl, sgt->nents, dir); in ep93xx_spi_dma_prepare()
356 if (!nents) in ep93xx_spi_dma_prepare()
359 txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents, conf.direction, in ep93xx_spi_dma_prepare()
362 dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir); in ep93xx_spi_dma_prepare()
391 dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir); in ep93xx_spi_dma_finish()
/linux-6.3-rc2/drivers/crypto/ccree/
A Dcc_buffer_mgr.c77 unsigned int nents = 0; in cc_get_sgl_nents() local
82 nents++; in cc_get_sgl_nents()
91 return nents; in cc_get_sgl_nents()
109 u32 nents; in cc_copy_sg_portion() local
244 sgl_data->nents[index] = nents; in cc_add_sg_entry()
264 *nents = 0; in cc_map_sg()
270 *nents = 0; in cc_map_sg()
272 *nents, max_sg_nents); in cc_map_sg()
278 *nents = 0; in cc_map_sg()
518 sg_virt(req->src), areq_ctx->src.nents, areq_ctx->assoc.nents, in cc_unmap_aead_request()
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/linux-6.3-rc2/kernel/dma/
A Ddirect.h21 int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
28 int nents, enum dma_data_direction dir);
31 struct scatterlist *sgl, int nents, enum dma_data_direction dir) in dma_direct_sync_sg_for_device() argument
40 int nents, enum dma_data_direction dir, unsigned long attrs);
42 struct scatterlist *sgl, int nents, enum dma_data_direction dir);
45 struct scatterlist *sgl, int nents, enum dma_data_direction dir, in dma_direct_unmap_sg() argument
50 struct scatterlist *sgl, int nents, enum dma_data_direction dir) in dma_direct_sync_sg_for_cpu() argument
A Dmapping.c194 arch_dma_map_sg_direct(dev, sg, nents)) in __dma_map_sg_attrs()
197 ents = ops->map_sg(dev, sg, nents, dir, attrs); in __dma_map_sg_attrs()
200 kmsan_handle_dma_sg(sg, nents, dir); in __dma_map_sg_attrs()
269 int nents; in dma_map_sgtable() local
272 if (nents < 0) in dma_map_sgtable()
273 return nents; in dma_map_sgtable()
274 sgt->nents = nents; in dma_map_sgtable()
286 debug_dma_unmap_sg(dev, sg, nents, dir); in dma_unmap_sg_attrs()
288 arch_dma_unmap_sg_direct(dev, sg, nents)) in dma_unmap_sg_attrs()
291 ops->unmap_sg(dev, sg, nents, dir, attrs); in dma_unmap_sg_attrs()
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/linux-6.3-rc2/drivers/parisc/
A Diommu-helpers.h15 iommu_fill_pdir(struct ioc *ioc, struct scatterlist *startsg, int nents, in iommu_fill_pdir() argument
30 while (nents-- > 0) { in iommu_fill_pdir()
34 DBG_RUN_SG(" %d : %08lx/%05x %p/%05x\n", nents, in iommu_fill_pdir()
102 struct scatterlist *startsg, int nents, in iommu_coalesce_chunks() argument
114 while (nents > 0) { in iommu_coalesce_chunks()
131 while(--nents > 0) { in iommu_coalesce_chunks()
/linux-6.3-rc2/fs/netfs/
A Diterator.c115 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in netfs_extract_user_to_sg()
143 sgtable->nents++; in netfs_extract_user_to_sg()
153 while (sgtable->nents > sgtable->orig_nents) in netfs_extract_user_to_sg()
154 put_page(sg_page(&sgtable->sgl[--sgtable->nents])); in netfs_extract_user_to_sg()
169 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in netfs_extract_bvec_to_sg()
187 sgtable->nents++; in netfs_extract_bvec_to_sg()
215 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in netfs_extract_kvec_to_sg()
246 sgtable->nents++; in netfs_extract_kvec_to_sg()
275 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in netfs_extract_xarray_to_sg()
298 sgtable->nents++; in netfs_extract_xarray_to_sg()
/linux-6.3-rc2/drivers/target/iscsi/cxgbit/
A Dcxgbit_ddp.c153 unsigned int nents) in cxgbit_ddp_sgl_check() argument
155 unsigned int last_sgidx = nents - 1; in cxgbit_ddp_sgl_check()
158 for (i = 0; i < nents; i++, sg = sg_next(sg)) { in cxgbit_ddp_sgl_check()
177 unsigned int sgcnt = ttinfo->nents; in cxgbit_ddp_reserve()
184 xferlen, ttinfo->nents); in cxgbit_ddp_reserve()
246 ttinfo->nents = cmd->se_cmd.t_data_nents; in cxgbit_get_r2t_ttt()
251 csk, cmd, cmd->se_cmd.data_length, ttinfo->nents); in cxgbit_get_r2t_ttt()
254 ttinfo->nents = 0; in cxgbit_get_r2t_ttt()
286 ttinfo->nents, DMA_FROM_DEVICE); in cxgbit_unmap_cmd()
287 ttinfo->nents = 0; in cxgbit_unmap_cmd()
/linux-6.3-rc2/drivers/crypto/cavium/nitrox/
A Dnitrox_req.h555 static inline void *alloc_req_buf(int nents, int extralen, gfp_t gfp) in alloc_req_buf() argument
559 size = sizeof(struct scatterlist) * nents; in alloc_req_buf()
621 int nents, int ivsize) in alloc_src_req_buf() argument
625 nkreq->src = alloc_req_buf(nents, ivsize, creq->gfp); in alloc_src_req_buf()
643 int nents, int ivsize, in nitrox_creq_set_src_sg() argument
652 sg_init_table(sg, nents); in nitrox_creq_set_src_sg()
667 int nents) in alloc_dst_req_buf() argument
672 nkreq->dst = alloc_req_buf(nents, extralen, creq->gfp); in alloc_dst_req_buf()
701 int nents, int ivsize, in nitrox_creq_set_dst_sg() argument
710 sg_init_table(sg, nents); in nitrox_creq_set_dst_sg()
A Dnitrox_aead.c97 int nents = sg_nents_for_len(src, buflen); in alloc_src_sglist() local
100 if (nents < 0) in alloc_src_sglist()
101 return nents; in alloc_src_sglist()
104 nents += 1; in alloc_src_sglist()
106 ret = alloc_src_req_buf(nkreq, nents, ivsize); in alloc_src_sglist()
111 nitrox_creq_set_src_sg(nkreq, nents, ivsize, src, buflen); in alloc_src_sglist()
119 int nents = sg_nents_for_len(dst, buflen); in alloc_dst_sglist() local
122 if (nents < 0) in alloc_dst_sglist()
123 return nents; in alloc_dst_sglist()
126 nents += 3; in alloc_dst_sglist()
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/linux-6.3-rc2/drivers/mmc/core/
A Dsdio_ops.c122 unsigned int nents, left_size, i; in mmc_io_rw_extended() local
152 nents = DIV_ROUND_UP(left_size, seg_size); in mmc_io_rw_extended()
153 if (nents > 1) { in mmc_io_rw_extended()
154 if (sg_alloc_table(&sgtable, nents, GFP_KERNEL)) in mmc_io_rw_extended()
158 data.sg_len = nents; in mmc_io_rw_extended()
196 if (nents > 1) in mmc_io_rw_extended()
/linux-6.3-rc2/arch/ia64/hp/common/
A Dsba_iommu.c389 while (nents-- > 0) { in sba_dump_sg()
401 int the_nents = nents; in sba_check_sg()
1200 int nents) in sba_fill_pdir() argument
1207 while (nents-- > 0) { in sba_fill_pdir()
1295 int nents) in sba_coalesce_chunks() argument
1306 while (nents > 0) { in sba_coalesce_chunks()
1324 while (--nents > 0) { in sba_coalesce_chunks()
1457 if (nents == 1) { in sba_map_sg_attrs()
1470 sba_dump_sg(ioc, sglist, nents); in sba_map_sg_attrs()
1506 sba_dump_sg(ioc, sglist, nents); in sba_map_sg_attrs()
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/linux-6.3-rc2/arch/sparc/mm/
A Diommu.c249 int nents, enum dma_data_direction dir, unsigned long attrs, in __sbus_iommu_map_sg() argument
255 for_each_sg(sgl, sg, nents, j) { in __sbus_iommu_map_sg()
263 return nents; in __sbus_iommu_map_sg()
267 int nents, enum dma_data_direction dir, unsigned long attrs) in sbus_iommu_map_sg_gflush() argument
270 return __sbus_iommu_map_sg(dev, sgl, nents, dir, attrs, false); in sbus_iommu_map_sg_gflush()
274 int nents, enum dma_data_direction dir, unsigned long attrs) in sbus_iommu_map_sg_pflush() argument
276 return __sbus_iommu_map_sg(dev, sgl, nents, dir, attrs, true); in sbus_iommu_map_sg_pflush()
299 int nents, enum dma_data_direction dir, unsigned long attrs) in sbus_iommu_unmap_sg() argument
304 for_each_sg(sgl, sg, nents, i) { in sbus_iommu_unmap_sg()
/linux-6.3-rc2/arch/mips/jazz/
A Djazzdma.c544 int nents, enum dma_data_direction dir, unsigned long attrs) in jazz_dma_map_sg() argument
549 for_each_sg(sglist, sg, nents, i) { in jazz_dma_map_sg()
559 return nents; in jazz_dma_map_sg()
563 int nents, enum dma_data_direction dir, unsigned long attrs) in jazz_dma_unmap_sg() argument
568 for_each_sg(sglist, sg, nents, i) { in jazz_dma_unmap_sg()
588 struct scatterlist *sgl, int nents, enum dma_data_direction dir) in jazz_dma_sync_sg_for_device() argument
593 for_each_sg(sgl, sg, nents, i) in jazz_dma_sync_sg_for_device()
598 struct scatterlist *sgl, int nents, enum dma_data_direction dir) in jazz_dma_sync_sg_for_cpu() argument
603 for_each_sg(sgl, sg, nents, i) in jazz_dma_sync_sg_for_cpu()
/linux-6.3-rc2/arch/x86/kernel/
A Damd_gart_64.c276 static void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, in gart_unmap_sg() argument
282 for_each_sg(sg, s, nents, i) { in gart_unmap_sg()
291 int nents, int dir) in dma_map_sg_nonforce() argument
300 for_each_sg(sg, s, nents, i) { in dma_map_sg_nonforce()
308 nents = 0; in dma_map_sg_nonforce()
318 return nents; in dma_map_sg_nonforce()
377 static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, in gart_map_sg() argument
386 if (nents == 0) in gart_map_sg()
397 for_each_sg(sg, s, nents, i) { in gart_map_sg()
439 if (out < nents) { in gart_map_sg()
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