Searched refs:nents (Results 1 - 25 of 251) sorted by relevance

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/linux-master/lib/
H A Dsg_pool.c40 static inline unsigned int sg_pool_index(unsigned short nents) argument
44 BUG_ON(nents > SG_CHUNK_SIZE);
46 if (nents <= 8)
49 index = get_count_order(nents) - 3;
54 static void sg_pool_free(struct scatterlist *sgl, unsigned int nents) argument
58 sgp = sg_pools + sg_pool_index(nents);
62 static struct scatterlist *sg_pool_alloc(unsigned int nents, gfp_t gfp_mask) argument
66 sgp = sg_pools + sg_pool_index(nents);
101 * @nents: Number of entries in sg list
106 * Allocate and chain SGLs in an sg table. If @nents
112 sg_alloc_table_chained(struct sg_table *table, int nents, struct scatterlist *first_chunk, unsigned nents_first_chunk) argument
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H A Dscatterlist.c49 int nents; local
50 for (nents = 0; sg; sg = sg_next(sg))
51 nents++;
52 return nents;
72 int nents; local
78 for (nents = 0, total = 0; sg; sg = sg_next(sg)) {
79 nents++;
82 return nents;
92 * @nents: Number of entries in the scatterlist
99 * the important bit is that @nents
103 sg_last(struct scatterlist *sgl, unsigned int nents) argument
126 sg_init_table(struct scatterlist *sgl, unsigned int nents) argument
151 sg_kmalloc(unsigned int nents, gfp_t gfp_mask) argument
171 sg_kfree(struct scatterlist *sg, unsigned int nents) argument
285 __sg_alloc_table(struct sg_table *table, unsigned int nents, unsigned int max_ents, struct scatterlist *first_chunk, unsigned int nents_first_chunk, gfp_t gfp_mask, sg_alloc_fn *alloc_fn) argument
374 sg_alloc_table(struct sg_table *table, unsigned int nents, gfp_t gfp_mask) argument
685 sgl_free_n_order(struct scatterlist *sgl, int nents, int order) argument
725 __sg_page_iter_start(struct sg_page_iter *piter, struct scatterlist *sglist, unsigned int nents, unsigned long pgoffset) argument
800 sg_miter_start(struct sg_mapping_iter *miter, struct scatterlist *sgl, unsigned int nents, unsigned int flags) argument
962 sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, size_t buflen, off_t skip, bool to_buffer) argument
1008 sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents, const void *buf, size_t buflen) argument
1025 sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, size_t buflen) argument
1043 sg_pcopy_from_buffer(struct scatterlist *sgl, unsigned int nents, const void *buf, size_t buflen, off_t skip) argument
1061 sg_pcopy_to_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, size_t buflen, off_t skip) argument
1077 sg_zero_buffer(struct scatterlist *sgl, unsigned int nents, size_t buflen, off_t skip) argument
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H A Dsg_split.c13 int nents; member in struct:sg_splitter
20 static int sg_calculate_split(struct scatterlist *in, int nents, int nb_splits, argument
32 splitters[i].nents = 0;
35 for_each_sg(in, sg, nents, i) {
48 curr->nents++;
59 curr->nents = 1;
86 for (j = 0; j < split->nents; j++, out_sg++) {
112 for (j = 0; j < split->nents; j++, out_sg++) {
168 splitters[i].out_sg = kmalloc_array(splitters[i].nents,
190 out_mapped_nents[i] = splitters[i].nents;
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H A Dkfifo.c296 int nents, unsigned int len)
303 if (!nents)
323 if (++n == nents || sgl == NULL)
335 int nents, unsigned int len, unsigned int off)
350 n = setup_sgl_buf(sgl, fifo->data + off, nents, l);
351 n += setup_sgl_buf(sgl + n, fifo->data, nents - n, len - l);
357 struct scatterlist *sgl, int nents, unsigned int len)
365 return setup_sgl(fifo, sgl, nents, len, fifo->in);
370 struct scatterlist *sgl, int nents, unsigned int len)
378 return setup_sgl(fifo, sgl, nents, le
295 setup_sgl_buf(struct scatterlist *sgl, void *buf, int nents, unsigned int len) argument
334 setup_sgl(struct __kfifo *fifo, struct scatterlist *sgl, int nents, unsigned int len, unsigned int off) argument
356 __kfifo_dma_in_prepare(struct __kfifo *fifo, struct scatterlist *sgl, int nents, unsigned int len) argument
369 __kfifo_dma_out_prepare(struct __kfifo *fifo, struct scatterlist *sgl, int nents, unsigned int len) argument
548 __kfifo_dma_in_prepare_r(struct __kfifo *fifo, struct scatterlist *sgl, int nents, unsigned int len, size_t recsize) argument
571 __kfifo_dma_out_prepare_r(struct __kfifo *fifo, struct scatterlist *sgl, int nents, unsigned int len, size_t recsize) argument
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/linux-master/samples/kfifo/
H A Ddma-example.c25 unsigned int nents; local
63 nents = kfifo_dma_in_prepare(&fifo, sg, ARRAY_SIZE(sg), FIFO_SIZE);
64 printk(KERN_INFO "DMA sgl entries: %d\n", nents);
65 if (!nents) {
73 for (i = 0; i < nents; i++) {
93 nents = kfifo_dma_out_prepare(&fifo, sg, ARRAY_SIZE(sg), 8);
94 printk(KERN_INFO "DMA sgl entries: %d\n", nents);
95 if (!nents) {
102 for (i = 0; i < nents; i++) {
/linux-master/drivers/gpu/drm/virtio/
H A Dvirtgpu_gem.c164 struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents) argument
168 objs = kmalloc(struct_size(objs, objs, nents), GFP_KERNEL);
172 objs->nents = 0;
173 objs->total = nents;
183 virtio_gpu_array_from_handles(struct drm_file *drm_file, u32 *handles, u32 nents) argument
188 objs = virtio_gpu_array_alloc(nents);
192 for (i = 0; i < nents; i++) {
195 objs->nents = i;
200 objs->nents = i;
207 if (WARN_ON_ONCE(objs->nents
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H A Dvirtgpu_object.c138 unsigned int *nents)
150 *nents = pages->nents;
152 *nents = pages->orig_nents;
154 *ents = kvmalloc_array(*nents,
188 unsigned int nents; local
205 ret = virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents);
226 ents, nents);
230 virtio_gpu_object_attach(vgdev, bo, ents, nents);
234 virtio_gpu_object_attach(vgdev, bo, ents, nents);
135 virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *bo, struct virtio_gpu_mem_entry **ents, unsigned int *nents) argument
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/linux-master/include/linux/
H A Dpage_reporting.h14 struct scatterlist *sg, unsigned int nents);
H A Dscatterlist.h41 unsigned int nents; /* number of mapped entries */ member in struct:sg_table
210 for_each_sg((sgt)->sgl, sg, (sgt)->nents, i)
410 * @nents: Number of entries in table
414 unsigned int nents)
416 sg_mark_end(&sgl[nents - 1]);
487 void sgl_free_n_order(struct scatterlist *sgl, int nents, int order);
492 size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf,
495 size_t sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents,
497 size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents,
500 size_t sg_pcopy_from_buffer(struct scatterlist *sgl, unsigned int nents,
413 sg_init_marker(struct scatterlist *sgl, unsigned int nents) argument
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H A Dpci-p2pdma.h30 unsigned int *nents, u32 length);
71 unsigned int *nents, u32 length)
70 pci_p2pmem_alloc_sgl(struct pci_dev *pdev, unsigned int *nents, u32 length) argument
/linux-master/drivers/hwtracing/intel_th/
H A Dmsu-sink.c54 unsigned int nents; local
62 nents = DIV_ROUND_UP(size, PAGE_SIZE);
64 ret = sg_alloc_table(*sgt, nents, GFP_KERNEL);
70 for_each_sg((*sgt)->sgl, sg_ptr, nents, i) {
80 return nents;
90 for_each_sg(sgt->sgl, sg_ptr, sgt->nents, i) {
/linux-master/drivers/parisc/
H A Diommu-helpers.h8 * @nents: The number of entries in the scatter/gather list.
15 iommu_fill_pdir(struct ioc *ioc, struct scatterlist *startsg, int nents, argument
30 while (nents-- > 0) {
34 DBG_RUN_SG(" %d : %08lx %p/%05x\n", nents,
102 struct scatterlist *startsg, int nents,
114 while (nents > 0) {
131 while(--nents > 0) {
101 iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, struct scatterlist *startsg, int nents, int (*iommu_alloc_range)(struct ioc *, struct device *, size_t)) argument
/linux-master/drivers/staging/media/ipu3/
H A Dipu3-dmamap.h16 int nents, struct imgu_css_map *map);
H A Dipu3-mmu.h35 struct scatterlist *sg, unsigned int nents);
/linux-master/kernel/dma/
H A Ddirect.h21 int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
29 int nents, enum dma_data_direction dir);
32 struct scatterlist *sgl, int nents, enum dma_data_direction dir)
41 int nents, enum dma_data_direction dir, unsigned long attrs);
43 struct scatterlist *sgl, int nents, enum dma_data_direction dir);
46 struct scatterlist *sgl, int nents, enum dma_data_direction dir,
51 struct scatterlist *sgl, int nents, enum dma_data_direction dir)
31 dma_direct_sync_sg_for_device(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir) argument
45 dma_direct_unmap_sg(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir, unsigned long attrs) argument
50 dma_direct_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir) argument
/linux-master/drivers/gpu/drm/i915/
H A Di915_scatterlist.c21 if (orig_st->nents == orig_st->orig_nents)
24 if (sg_alloc_table(&new_st, orig_st->nents, GFP_KERNEL | __GFP_NOWARN))
28 for_each_sg(orig_st->sgl, sg, orig_st->nents, i) {
35 GEM_BUG_ON(new_sg); /* Should walk exactly nents and hit the end */
113 st->nents = 0;
122 if (st->nents)
130 st->nents++;
199 st->nents = 0;
212 if (st->nents)
220 st->nents
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/linux-master/drivers/infiniband/hw/usnic/
H A Dusnic_uiom.h79 int nents; member in struct:usnic_uiom_chunk
80 struct scatterlist page_list[] __counted_by(nents);
/linux-master/drivers/crypto/ccree/
H A Dcc_buffer_mgr.c25 int nents[MAX_NUM_OF_BUFFERS_IN_MLLI]; member in struct:buffer_array
77 unsigned int nents = 0; local
82 nents++;
90 dev_dbg(dev, "nents %d last bytes %d\n", nents, *lbytes);
91 return nents;
109 u32 nents; local
111 nents = sg_nents_for_len(sg, end);
112 sg_copy_buffer(sg, nents, dest, (end - to_skip + 1), to_skip,
236 unsigned int nents, struc
235 cc_add_sg_entry(struct device *dev, struct buffer_array *sgl_data, unsigned int nents, struct scatterlist *sgl, unsigned int data_len, unsigned int data_offset, bool is_last_table, u32 *mlli_nents) argument
255 cc_map_sg(struct device *dev, struct scatterlist *sg, unsigned int nbytes, int direction, u32 *nents, u32 max_sg_nents, u32 *lbytes, u32 *mapped_nents) argument
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/linux-master/drivers/target/iscsi/cxgbit/
H A Dcxgbit_ddp.c153 unsigned int nents)
155 unsigned int last_sgidx = nents - 1;
158 for (i = 0; i < nents; i++, sg = sg_next(sg)) {
177 unsigned int sgcnt = ttinfo->nents;
184 xferlen, ttinfo->nents);
246 ttinfo->nents = cmd->se_cmd.t_data_nents;
251 csk, cmd, cmd->se_cmd.data_length, ttinfo->nents);
254 ttinfo->nents = 0;
286 ttinfo->nents, DMA_FROM_DEVICE);
287 ttinfo->nents
152 cxgbit_ddp_sgl_check(struct scatterlist *sg, unsigned int nents) argument
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/linux-master/drivers/usb/storage/
H A Dprotocol.c128 unsigned int nents = scsi_sg_count(srb); local
131 nents = sg_nents(sg);
135 sg_miter_start(&miter, sg, nents, dir == FROM_XFER_BUF ?
/linux-master/drivers/crypto/qce/
H A Ddma.c78 int nents, unsigned long flags,
85 if (!sg || !nents)
88 desc = dmaengine_prep_slave_sg(chan, sg, nents, dir, flags);
77 qce_dma_prep_sg(struct dma_chan *chan, struct scatterlist *sg, int nents, unsigned long flags, enum dma_transfer_direction dir, dma_async_tx_callback cb, void *cb_param) argument
/linux-master/tools/virtio/linux/
H A Dscatterlist.h150 static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents) argument
152 memset(sgl, 0, sizeof(*sgl) * nents);
153 sg_mark_end(&sgl[nents - 1]);
/linux-master/drivers/spi/
H A Dspi-dw-dma.c292 u32 nents; local
294 nents = dw_readl(dws, DW_SPI_TXFLR);
296 delay.value = nents * dws->n_bytes * BITS_PER_BYTE;
340 unsigned int nents)
346 txdesc = dmaengine_prep_slave_sg(dws->txchan, sgl, nents,
377 u32 nents; local
388 nents = dw_readl(dws, DW_SPI_RXFLR);
389 ns = 4U * NSEC_PER_SEC / dws->max_freq * nents;
441 unsigned int nents)
447 rxdesc = dmaengine_prep_slave_sg(dws->rxchan, sgl, nents,
339 dw_spi_dma_submit_tx(struct dw_spi *dws, struct scatterlist *sgl, unsigned int nents) argument
440 dw_spi_dma_submit_rx(struct dw_spi *dws, struct scatterlist *sgl, unsigned int nents) argument
640 unsigned int nents; local
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/linux-master/net/rds/
H A Dib_mr.h120 void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents,
139 unsigned long nents, u32 *key);
/linux-master/drivers/mmc/core/
H A Dsdio_ops.c122 unsigned int nents, left_size, i; local
152 nents = DIV_ROUND_UP(left_size, seg_size);
153 if (nents > 1) {
154 if (sg_alloc_table(&sgtable, nents, GFP_KERNEL))
158 data.sg_len = nents;
196 if (nents > 1)

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