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Searched refs:num_sgs (Results 1 – 25 of 51) sorted by relevance

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/linux-6.12.1/drivers/dma/
Ddma-axi-dmac.c138 unsigned int num_sgs; member
139 struct axi_dmac_sg sg[] __counted_by(num_sgs);
261 } else if (++desc->num_submitted == desc->num_sgs || in axi_dmac_start_transfer()
292 desc->sg[desc->num_sgs - 1].hw->flags &= ~AXI_DMAC_HW_FLAG_IRQ; in axi_dmac_start_transfer()
293 else if (desc->num_sgs == 1) in axi_dmac_start_transfer()
341 for (i = 0; i < desc->num_sgs; i++) { in axi_dmac_dequeue_partial_xfers()
391 for (i = start; i < active->num_sgs; i++) { in axi_dmac_compute_residue()
442 if (active->num_completed == active->num_sgs || in axi_dmac_transfer_done()
531 axi_dmac_alloc_desc(struct axi_dmac_chan *chan, unsigned int num_sgs) in axi_dmac_alloc_desc() argument
540 desc = kzalloc(struct_size(desc, sg, num_sgs), GFP_NOWAIT); in axi_dmac_alloc_desc()
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/linux-6.12.1/drivers/usb/usbip/
Dvhci_tx.c80 if (urb->num_sgs && usb_pipeout(urb->pipe)) in vhci_send_cmd_submit()
81 iovnum = 2 + urb->num_sgs; in vhci_send_cmd_submit()
91 if (urb->num_sgs) in vhci_send_cmd_submit()
106 if (urb->num_sgs && in vhci_send_cmd_submit()
108 for_each_sg(urb->sg, sg, urb->num_sgs, i) { in vhci_send_cmd_submit()
Dstub_tx.c176 !urb->num_sgs) { in stub_send_ret_submit()
186 urb->num_sgs) in stub_send_ret_submit()
187 iovnum = 1 + urb->num_sgs; in stub_send_ret_submit()
240 if (urb->num_sgs) { in stub_send_ret_submit()
244 for_each_sg(urb->sg, sg, urb->num_sgs, i) { in stub_send_ret_submit()
Dstub_main.c308 if (urb->num_sgs) { in stub_free_priv_and_urb()
311 urb->num_sgs = 0; in stub_free_priv_and_urb()
Dvhci_rx.c98 if (urb->num_sgs) in vhci_recv_ret_submit()
Dusbip_common.c793 if (urb->num_sgs) { in usbip_recv_xbuff()
795 for_each_sg(urb->sg, sg, urb->num_sgs, i) { in usbip_recv_xbuff()
/linux-6.12.1/drivers/net/wireless/mediatek/mt76/
Dusb.c340 for (j = nsgs; j < urb->num_sgs; j++) in mt76u_fill_rx_sg()
342 urb->num_sgs = i; in mt76u_fill_rx_sg()
345 urb->num_sgs = max_t(int, i, urb->num_sgs); in mt76u_fill_rx_sg()
346 urb->transfer_buffer_length = urb->num_sgs * q->buf_size; in mt76u_fill_rx_sg()
347 sg_init_marker(urb->sg, urb->num_sgs); in mt76u_fill_rx_sg()
408 for (i = 0; i < urb->num_sgs; i++) in mt76u_urb_free()
515 u8 *data = urb->num_sgs ? sg_virt(&urb->sg[0]) : urb->transfer_buffer; in mt76u_process_rx_entry()
516 int data_len = urb->num_sgs ? urb->sg[0].length : urb->actual_length; in mt76u_process_rx_entry()
539 while (len > 0 && nsgs < urb->num_sgs) { in mt76u_process_rx_entry()
845 urb->num_sgs = skb_to_sgvec(skb, urb->sg, 0, skb->len); in mt76u_tx_setup_buffers()
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/linux-6.12.1/drivers/dma/stm32/
Dstm32-dma.c192 u32 num_sgs; member
193 struct stm32_dma_sg_req sg_req[] __counted_by(num_sgs);
550 if (chan->desc->cyclic && (chan->next_sg == chan->desc->num_sgs)) in stm32_dma_sg_inc()
580 if (chan->next_sg == chan->desc->num_sgs) in stm32_dma_start_transfer()
659 if (chan->desc->num_sgs == 1) in stm32_dma_handle_chan_paused()
697 sg_req = &chan->desc->sg_req[chan->desc->num_sgs - 1]; in stm32_dma_post_resume_reconfigure()
752 if (chan->next_sg == chan->desc->num_sgs) { in stm32_dma_handle_chan_done()
870 sg_req = &chan->desc->sg_req[chan->desc->num_sgs - 1]; in stm32_dma_resume()
1107 desc->num_sgs = sg_len; in stm32_dma_prep_slave_sg()
1219 desc->num_sgs = num_periods; in stm32_dma_prep_dma_cyclic()
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/linux-6.12.1/drivers/usb/gadget/udc/
Dtrace.h225 __field(unsigned, num_sgs)
239 __entry->num_sgs = req->num_sgs;
251 __entry->num_mapped_sgs, __entry->num_sgs, __entry->stream_id,
Dcore.c907 req->num_mapped_sgs = req->num_sgs; in usb_gadget_map_request_by_dev()
911 if (req->num_sgs) { in usb_gadget_map_request_by_dev()
914 mapped = dma_map_sg(dev, req->sg, req->num_sgs, in usb_gadget_map_request_by_dev()
960 dma_unmap_sg(dev, req->sg, req->num_sgs, in usb_gadget_unmap_request_by_dev()
/linux-6.12.1/drivers/usb/cdns3/
Dcdnsp-ring.c623 len = sg_pcopy_from_buffer(preq->request.sg, preq->request.num_sgs, in cdnsp_unmap_td_bounce_buffer()
1729 for_each_sg(preq->request.sg, sg, preq->request.num_sgs, i) { in count_sg_trbs_needed()
1864 unsigned int start_cycle, num_sgs = 0; in cdnsp_queue_bulk_tx() local
1884 if (preq->request.num_sgs) { in cdnsp_queue_bulk_tx()
1885 num_sgs = preq->request.num_sgs; in cdnsp_queue_bulk_tx()
2008 --num_sgs; in cdnsp_queue_bulk_tx()
2010 if (num_sgs != 0) { in cdnsp_queue_bulk_tx()
2227 unsigned int num_sgs = 0; in cdnsp_queue_isoc_tx() local
2239 if (preq->request.num_sgs) { in cdnsp_queue_isoc_tx()
2240 num_sgs = preq->request.num_sgs; in cdnsp_queue_isoc_tx()
[all …]
Dcdnsp-trace.h468 __field(unsigned int, num_sgs)
486 __entry->num_sgs = req->request.num_sgs;
498 __entry->sg, __entry->num_sgs, __entry->num_mapped_sgs
/linux-6.12.1/drivers/usb/core/
Ddevio.c420 for (i = 0; i < as->urb->num_sgs; i++) { in free_async()
539 if (urb->num_sgs == 0) { in snoop_urb_data()
545 for (i = 0; i < urb->num_sgs && len; i++) { in snoop_urb_data()
562 if (urb->num_sgs == 0) { in copy_urb_data_to_user()
568 for (i = 0; i < urb->num_sgs && len; i++) { in copy_urb_data_to_user()
1625 int i, ret, num_sgs = 0, ifnum = -1; in proc_do_submiturb() local
1720 num_sgs = DIV_ROUND_UP(uurb->buffer_length, USB_SG_SIZE); in proc_do_submiturb()
1721 if (num_sgs == 1 || num_sgs > ps->dev->bus->sg_tablesize) in proc_do_submiturb()
1722 num_sgs = 0; in proc_do_submiturb()
1794 num_sgs = 0; in proc_do_submiturb()
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Durb.c483 } else if (urb->num_sgs && !urb->dev->bus->no_sg_constraint) { in usb_submit_urb()
487 for_each_sg(urb->sg, sg, urb->num_sgs - 1, i) in usb_submit_urb()
/linux-6.12.1/net/rds/
Dsend.c888 static int rds_rm_size(struct msghdr *msg, int num_sgs, in rds_rm_size() argument
898 if (num_sgs < 0) in rds_rm_size()
961 size += num_sgs * sizeof(struct scatterlist); in rds_rm_size()
1119 int num_sgs = DIV_ROUND_UP(payload_len, PAGE_SIZE); in rds_sendmsg() local
1260 num_sgs = iov_iter_npages(&msg->msg_iter, INT_MAX); in rds_sendmsg()
1263 ret = rds_rm_size(msg, num_sgs, &vct); in rds_sendmsg()
1275 rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs); in rds_sendmsg()
Dmessage.c338 int num_sgs = DIV_ROUND_UP(total_len, PAGE_SIZE); in rds_message_map_pages() local
339 int extra_bytes = num_sgs * sizeof(struct scatterlist); in rds_message_map_pages()
348 rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs); in rds_message_map_pages()
/linux-6.12.1/drivers/usb/host/
Dxhci-trace.h260 __field(int, num_sgs)
276 __entry->num_sgs = urb->num_sgs;
294 __entry->num_sgs, __entry->stream, __entry->flags
Dxhci-ring.c803 if (urb->num_sgs) { in xhci_unmap_td_bounce_buffer()
804 len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, seg->bounce_buf, in xhci_unmap_td_bounce_buffer()
3515 if (urb->num_sgs) { in xhci_align_td()
3516 len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs, in xhci_align_td()
3559 unsigned int start_cycle, num_sgs = 0; in xhci_queue_bulk_tx() local
3571 if (urb->num_sgs && !(urb->transfer_flags & URB_DMA_MAP_SINGLE)) { in xhci_queue_bulk_tx()
3572 num_sgs = urb->num_mapped_sgs; in xhci_queue_bulk_tx()
3676 --num_sgs; in xhci_queue_bulk_tx()
3679 if (num_sgs != 0 && sg) { in xhci_queue_bulk_tx()
/linux-6.12.1/drivers/usb/gadget/udc/cdns2/
Dcdns2-trace.h285 __field(unsigned int, num_sgs)
303 __entry->num_sgs = preq->request.num_sgs;
317 __entry->sg, __entry->num_sgs, __entry->num_mapped_sgs,
Dcdns2-gadget.c421 for_each_sg(req->sg, sg, req->num_sgs, i) { in cdns2_count_sg_trbs()
524 split_size = preq->request.num_sgs ? 1024 : 3072; in cdns2_ep_tx_isoc()
527 if (preq->request.num_sgs) { in cdns2_ep_tx_isoc()
537 sg_iter = preq->request.num_sgs ? preq->request.num_sgs : 1; in cdns2_ep_tx_isoc()
626 if (preq->request.num_sgs) { in cdns2_ep_tx_bulk()
/linux-6.12.1/drivers/net/usb/
Dusbnet.c1331 unsigned num_sgs, total_len = 0; in build_dma_sg() local
1334 num_sgs = skb_shinfo(skb)->nr_frags + 1; in build_dma_sg()
1335 if (num_sgs == 1) in build_dma_sg()
1339 urb->sg = kmalloc_array(num_sgs + 1, sizeof(struct scatterlist), in build_dma_sg()
1344 urb->num_sgs = num_sgs; in build_dma_sg()
1345 sg_init_table(urb->sg, urb->num_sgs + 1); in build_dma_sg()
1417 if (skb_tailroom(skb) && !urb->num_sgs) { in usbnet_start_xmit()
1420 } else if (urb->num_sgs) in usbnet_start_xmit()
1421 sg_set_buf(&urb->sg[urb->num_sgs++], in usbnet_start_xmit()
/linux-6.12.1/drivers/dma/dw-axi-dmac/
Ddw-axi-dmac-platform.c853 u32 len, num_sgs = 0; in dw_axi_dma_chan_prep_slave_sg() local
871 num_sgs += DIV_ROUND_UP(sg_dma_len(sg), axi_block_len); in dw_axi_dma_chan_prep_slave_sg()
873 desc = axi_desc_alloc(num_sgs); in dw_axi_dma_chan_prep_slave_sg()
900 set_desc_last(&desc->hw_desc[num_sgs - 1]); in dw_axi_dma_chan_prep_slave_sg()
904 hw_desc = &desc->hw_desc[--num_sgs]; in dw_axi_dma_chan_prep_slave_sg()
907 } while (num_sgs); in dw_axi_dma_chan_prep_slave_sg()
/linux-6.12.1/drivers/dma/mediatek/
Dmtk-hsdma.c417 u16 reserved, prev, tlen, num_sgs; in mtk_hsdma_issue_pending_vdesc() local
427 num_sgs = DIV_ROUND_UP(hvd->len, MTK_HSDMA_MAX_LEN); in mtk_hsdma_issue_pending_vdesc()
428 reserved = min_t(u16, num_sgs, atomic_read(&pc->nr_free)); in mtk_hsdma_issue_pending_vdesc()
/linux-6.12.1/drivers/usb/gadget/function/
Df_tcm.c228 fu->bot_req_in->num_sgs = se_cmd->t_data_nents; in bot_send_read_response()
267 fu->bot_req_out->num_sgs = se_cmd->t_data_nents; in bot_send_write_request()
530 stream->req_in->num_sgs = se_cmd->t_data_nents; in uasp_prepare_r_request()
965 if (req->num_sgs == 0) { in usbg_data_write_cmpl()
993 req->num_sgs = se_cmd->t_data_nents; in usbg_prepare_w_request()
/linux-6.12.1/drivers/media/platform/st/stm32/
Dstm32-dcmi.c526 unsigned int num_sgs = 1; in dcmi_buf_prepare() local
545 num_sgs = DIV_ROUND_UP(buf->size, dcmi->dma_max_burst); in dcmi_buf_prepare()
547 ret = sg_alloc_table(&buf->sgt, num_sgs, GFP_ATOMIC); in dcmi_buf_prepare()
558 for_each_sg(buf->sgt.sgl, sg, num_sgs, i) { in dcmi_buf_prepare()

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