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Searched refs:num_sgs (Results 1 – 25 of 52) sorted by relevance

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/linux-6.15/drivers/dma/
H A Ddma-axi-dmac.c138 unsigned int num_sgs; member
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()
543 desc->num_sgs = num_sgs; in axi_dmac_alloc_desc()
553 for (i = 0; i < num_sgs; i++) { in axi_dmac_alloc_desc()
630 unsigned int num_sgs = 0; in axi_dmac_prep_peripheral_dma_vec() local
640 desc = axi_dmac_alloc_desc(chan, num_sgs); in axi_dmac_prep_peripheral_dma_vec()
671 unsigned int num_sgs; in axi_dmac_prep_slave_sg() local
677 num_sgs = 0; in axi_dmac_prep_slave_sg()
681 desc = axi_dmac_alloc_desc(chan, num_sgs); in axi_dmac_prep_slave_sg()
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/linux-6.15/drivers/usb/usbip/
H A 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()
H A 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()
H A Dstub_main.c308 if (urb->num_sgs) { in stub_free_priv_and_urb()
311 urb->num_sgs = 0; in stub_free_priv_and_urb()
H A Dvhci_rx.c98 if (urb->num_sgs) in vhci_recv_ret_submit()
H A 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-6.15/drivers/net/wireless/mediatek/mt76/
H A 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()
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()
846 if (!urb->num_sgs) in mt76u_tx_setup_buffers()
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/linux-6.15/drivers/dma/stm32/
H A Dstm32-dma.c192 u32 num_sgs; member
193 struct stm32_dma_sg_req sg_req[] __counted_by(num_sgs);
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()
752 if (chan->next_sg == chan->desc->num_sgs) { in stm32_dma_handle_chan_done()
1107 desc->num_sgs = sg_len; in stm32_dma_prep_slave_sg()
1219 desc->num_sgs = num_periods; in stm32_dma_prep_dma_cyclic()
1249 u32 num_sgs, best_burst, threshold; in stm32_dma_prep_dma_memcpy() local
1256 desc->num_sgs = num_sgs; in stm32_dma_prep_dma_memcpy()
1394 if (n_sg == chan->desc->num_sgs) in stm32_dma_desc_residue()
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/linux-6.15/drivers/usb/gadget/udc/
H A Dtrace.h225 __field(unsigned, num_sgs)
239 __entry->num_sgs = req->num_sgs;
251 __entry->num_mapped_sgs, __entry->num_sgs, __entry->stream_id,
H A 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-6.15/drivers/usb/chipidea/
H A Dudc.c554 if (req->num_sgs == 1) in sglist_get_invalid_entry()
591 int i, ret, nents, num_sgs; in sglist_do_bounce() local
601 num_sgs = hwreq->req.num_sgs; in sglist_do_bounce()
623 hwreq->req.num_sgs = nents; in sglist_do_bounce()
625 hwreq->sgt.nents = num_sgs; in sglist_do_bounce()
638 int i, nents, num_sgs; in sglist_do_debounce() local
642 num_sgs = hwreq->req.num_sgs; in sglist_do_debounce()
643 src = sg_last(sg, num_sgs); in sglist_do_debounce()
648 for (i = 0; i < num_sgs - 1; i++) in sglist_do_debounce()
658 hwreq->sgt.nents = num_sgs; in sglist_do_debounce()
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/linux-6.15/drivers/usb/cdns3/
H A Dcdnsp-ring.c1730 for_each_sg(preq->request.sg, sg, preq->request.num_sgs, i) { in count_sg_trbs_needed()
1865 unsigned int start_cycle, num_sgs = 0; in cdnsp_queue_bulk_tx() local
1885 if (preq->request.num_sgs) { in cdnsp_queue_bulk_tx()
1886 num_sgs = preq->request.num_sgs; in cdnsp_queue_bulk_tx()
2009 --num_sgs; in cdnsp_queue_bulk_tx()
2011 if (num_sgs != 0) { in cdnsp_queue_bulk_tx()
2228 unsigned int num_sgs = 0; in cdnsp_queue_isoc_tx() local
2240 if (preq->request.num_sgs) { in cdnsp_queue_isoc_tx()
2241 num_sgs = preq->request.num_sgs; in cdnsp_queue_isoc_tx()
2334 --num_sgs; in cdnsp_queue_isoc_tx()
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H A 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-6.15/drivers/usb/core/
H A Ddevio.c423 for (i = 0; i < as->urb->num_sgs; i++) { in free_async()
542 if (urb->num_sgs == 0) { in snoop_urb_data()
565 if (urb->num_sgs == 0) { in copy_urb_data_to_user()
1628 int i, ret, num_sgs = 0, ifnum = -1; in proc_do_submiturb() local
1724 if (num_sgs == 1 || num_sgs > ps->dev->bus->sg_tablesize) in proc_do_submiturb()
1725 num_sgs = 0; in proc_do_submiturb()
1797 num_sgs = 0; in proc_do_submiturb()
1807 if (num_sgs) { in proc_do_submiturb()
1808 as->urb->sg = kmalloc_array(num_sgs, in proc_do_submiturb()
1815 as->urb->num_sgs = num_sgs; in proc_do_submiturb()
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H A 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-6.15/net/rds/
H A 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()
H A 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-6.15/drivers/usb/gadget/udc/cdns2/
H A 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,
H A Dcdns2-gadget.c422 for_each_sg(req->sg, sg, req->num_sgs, i) { in cdns2_count_sg_trbs()
525 split_size = preq->request.num_sgs ? 1024 : 3072; in cdns2_ep_tx_isoc()
528 if (preq->request.num_sgs) { in cdns2_ep_tx_isoc()
538 sg_iter = preq->request.num_sgs ? preq->request.num_sgs : 1; in cdns2_ep_tx_isoc()
627 if (preq->request.num_sgs) { in cdns2_ep_tx_bulk()
/linux-6.15/drivers/usb/host/
H A Dxhci-trace.h264 __field(int, num_sgs)
280 __entry->num_sgs = urb->num_sgs;
298 __entry->num_sgs, __entry->stream, __entry->flags
H A Dxhci-ring.c860 if (urb->num_sgs) { in xhci_unmap_td_bounce_buffer()
861 len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, seg->bounce_buf, in xhci_unmap_td_bounce_buffer()
3557 if (urb->num_sgs) { in xhci_align_td()
3558 len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs, in xhci_align_td()
3601 unsigned int start_cycle, num_sgs = 0; in xhci_queue_bulk_tx() local
3613 if (urb->num_sgs && !(urb->transfer_flags & URB_DMA_MAP_SINGLE)) { in xhci_queue_bulk_tx()
3614 num_sgs = urb->num_mapped_sgs; in xhci_queue_bulk_tx()
3718 --num_sgs; in xhci_queue_bulk_tx()
3721 if (num_sgs != 0 && sg) { in xhci_queue_bulk_tx()
/linux-6.15/drivers/net/usb/
H A Dusbnet.c1342 unsigned num_sgs, total_len = 0; in build_dma_sg() local
1345 num_sgs = skb_shinfo(skb)->nr_frags + 1; in build_dma_sg()
1346 if (num_sgs == 1) in build_dma_sg()
1350 urb->sg = kmalloc_array(num_sgs + 1, sizeof(struct scatterlist), in build_dma_sg()
1355 urb->num_sgs = num_sgs; in build_dma_sg()
1356 sg_init_table(urb->sg, urb->num_sgs + 1); in build_dma_sg()
1428 if (skb_tailroom(skb) && !urb->num_sgs) { in usbnet_start_xmit()
1431 } else if (urb->num_sgs) in usbnet_start_xmit()
1432 sg_set_buf(&urb->sg[urb->num_sgs++], in usbnet_start_xmit()
/linux-6.15/drivers/dma/mediatek/
H A 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-6.15/drivers/dma/dw-axi-dmac/
H A 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-6.15/drivers/media/platform/st/stm32/
H A 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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