| /linux/drivers/gpu/drm/udl/ |
| H A D | udl_main.c | 95 * Need to ensure a channel is selected before submitting URBs
138 urb->transfer_buffer_length = udl->urbs.size; /* reset to actual */ in udl_urb_completion()
140 spin_lock_irqsave(&udl->urbs.lock, flags); in udl_urb_completion()
141 list_add_tail(&unode->entry, &udl->urbs.list); in udl_urb_completion()
142 udl->urbs.available++; in udl_urb_completion()
143 spin_unlock_irqrestore(&udl->urbs.lock, flags); in udl_urb_completion()
145 wake_up(&udl->urbs.sleep); in udl_urb_completion()
154 DRM_DEBUG("Waiting for completes and freeing all render urbs\n"); in udl_free_urb_list()
157 while (udl->urbs.count) { in udl_free_urb_list()
158 spin_lock_irq(&udl->urbs.lock); in udl_free_urb_list()
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| /linux/Documentation/driver-api/usb/ |
| H A D | anchors.rst | 9 driver has to keep track of the URBs it has submitted
12 keeping track of URBs and provides methods to deal with
13 multiple URBs.
25 Once it has no more URBs associated with it, the anchor can be
28 Association and disassociation of URBs with anchors
31 An association of URBs to an anchor is made by an explicit
35 all URBs associated with an anchor.
38 Operations on multitudes of URBs
44 This function kills all URBs associated with an anchor. The URBs
52 This function unlinks all URBs associated with an anchor. The URBs
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| H A D | dma.rst | 21 - URBs have an additional "transfer_dma" field, as well as a transfer_flags
27 don't manage dma mappings for URBs.
98 into URBs::
109 to submit URBs in PIO way as long as the page in scatterlists is not in the
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| H A D | callbacks.rst | 8 structure and through the completion handler of URBs a driver submits.
106 If you are called due to a physical disconnection, all your URBs will be
123 outstanding URBs to complete, and save any device state you need to
124 restore. No more URBs may be submitted until the post_reset method
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| /linux/drivers/usb/usbip/ |
| H A D | stub_rx.c | 208 * process coming urbs. Even if the urb is unlinked, its completion
262 ret = usb_unlink_urb(priv->urbs[i]); in stub_recv_cmd_unlink()
264 dev_err(&priv->urbs[i]->dev->dev, in stub_recv_cmd_unlink()
456 ret = usbip_recv_xbuff(ud, priv->urbs[i]); in stub_recv_xbuff()
512 * a single SG request into several URBs and map in stub_recv_cmd_submit()
519 * several URBs. Later, priv->sgl is used by in stub_recv_cmd_submit()
521 * reassemble the divied URBs. in stub_recv_cmd_submit()
538 priv->urbs = kmalloc_array(num_urbs, sizeof(*priv->urbs), GFP_KERNEL); in stub_recv_cmd_submit()
539 if (!priv->urbs) in stub_recv_cmd_submit()
547 priv->urbs[0] = usb_alloc_urb(np, GFP_KERNEL); in stub_recv_cmd_submit()
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| H A D | stub_tx.c | 75 * If the server breaks single SG request into the several URBs, the in stub_complete()
76 * URBs must be reassembled before sending completed URB to the vhci. in stub_complete()
77 * Don't wake up the tx thread until all the URBs are completed. in stub_complete()
161 struct urb *urb = priv->urbs[0]; in stub_send_ret_submit()
209 actual_length += priv->urbs[i]->actual_length; in stub_send_ret_submit()
225 * URBs because the server's HCD doesn't support SG, in stub_send_ret_submit()
231 priv->urbs[i]->transfer_buffer; in stub_send_ret_submit()
233 priv->urbs[i]->actual_length; in stub_send_ret_submit()
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| /linux/drivers/net/can/usb/ |
| H A D | ucan.c | 261 /* Context Information for transmission URBs */
860 static void ucan_cleanup_rx_urbs(struct ucan_priv *up, struct urb **urbs) in ucan_cleanup_rx_urbs() argument
865 if (urbs[i]) { in ucan_cleanup_rx_urbs()
866 usb_unanchor_urb(urbs[i]); in ucan_cleanup_rx_urbs()
869 urbs[i]->transfer_buffer, in ucan_cleanup_rx_urbs()
870 urbs[i]->transfer_dma); in ucan_cleanup_rx_urbs()
871 usb_free_urb(urbs[i]); in ucan_cleanup_rx_urbs()
875 memset(urbs, 0, sizeof(*urbs) * UCAN_MAX_RX_URBS); in ucan_cleanup_rx_urbs()
879 struct urb **urbs) in ucan_prepare_and_anchor_rx_urbs() argument
883 memset(urbs, 0, sizeof(*urbs) * UCAN_MAX_RX_URBS); in ucan_prepare_and_anchor_rx_urbs()
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| /linux/sound/usb/caiaq/ |
| H A D | audio.c | 689 struct urb **urbs; in alloc_urbs() local
697 urbs = kmalloc_array(N_URBS, sizeof(*urbs), GFP_KERNEL); in alloc_urbs()
698 if (!urbs) { in alloc_urbs()
704 urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL); in alloc_urbs()
705 if (!urbs[i]) { in alloc_urbs()
707 return urbs; in alloc_urbs()
710 urbs[i]->transfer_buffer = in alloc_urbs()
713 if (!urbs[i]->transfer_buffer) { in alloc_urbs()
715 return urbs; in alloc_urbs()
720 &urbs[i]->iso_frame_desc[frame]; in alloc_urbs()
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| /linux/drivers/net/wireless/purelifi/plfxlc/ |
| H A D | usb.c | 203 struct urb **urbs; in __lf_x_usb_enable_rx() local
207 urbs = kcalloc(RX_URBS_COUNT, sizeof(struct urb *), GFP_KERNEL); in __lf_x_usb_enable_rx()
208 if (!urbs) in __lf_x_usb_enable_rx()
212 urbs[i] = alloc_rx_urb(usb); in __lf_x_usb_enable_rx()
213 if (!urbs[i]) in __lf_x_usb_enable_rx()
221 if (rx->urbs) { in __lf_x_usb_enable_rx()
226 rx->urbs = urbs; in __lf_x_usb_enable_rx()
231 r = usb_submit_urb(urbs[i], GFP_KERNEL); in __lf_x_usb_enable_rx()
240 usb_kill_urb(urbs[i]); in __lf_x_usb_enable_rx()
242 rx->urbs = NULL; in __lf_x_usb_enable_rx()
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| /linux/sound/usb/line6/ |
| H A D | pcm.c | 96 Unlink all currently active URBs.
106 usb_unlink_urb(pcms->urbs[i]); in line6_unlink_audio_urbs()
112 Wait until unlinking of all currently active URBs has been finished.
134 "timeout: still %d active urbs..\n", alive); in line6_wait_clear_audio_urbs()
193 /* Submit all currently available URBs */ in line6_stream_start()
206 /* stop a PCM stream; this doesn't sync with the unlinked URBs */
456 if (pcms->urbs == NULL) in cleanup_urbs()
460 if (pcms->urbs[i]) { in cleanup_urbs()
461 usb_kill_urb(pcms->urbs[i]); in cleanup_urbs()
462 usb_free_urb(pcms->urbs[i]); in cleanup_urbs()
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| H A D | capture.c | 36 urb_in = line6pcm->in.urbs[index]; in submit_audio_in_urb()
65 Submit all currently available capture URBs.
156 if (urb == line6pcm->in.urbs[index]) in audio_in_callback()
262 line6pcm->in.urbs = kcalloc(line6->iso_buffers, sizeof(struct urb *), in line6_create_audio_in_urbs()
264 if (line6pcm->in.urbs == NULL) in line6_create_audio_in_urbs()
267 /* create audio URBs and fill in constant values: */ in line6_create_audio_in_urbs()
272 urb = line6pcm->in.urbs[i] = in line6_create_audio_in_urbs()
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| H A D | pcm.h | 88 /* allocated URBs */
89 struct urb **urbs; member
117 /* Bit mask of active URBs */
120 /* Bit mask of URBs currently being unlinked */
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| H A D | playback.c | 163 urb_out = line6pcm->out.urbs[index]; in submit_audio_out_urb()
283 Submit all currently available playback URBs.
321 if (urb == line6pcm->out.urbs[index]) in audio_out_callback()
407 line6pcm->out.urbs = kcalloc(line6->iso_buffers, sizeof(struct urb *), in line6_create_audio_out_urbs()
409 if (line6pcm->out.urbs == NULL) in line6_create_audio_out_urbs()
412 /* create audio URBs and fill in constant values: */ in line6_create_audio_out_urbs()
417 urb = line6pcm->out.urbs[i] = in line6_create_audio_out_urbs()
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| /linux/drivers/media/usb/gspca/ |
| H A D | benq.c | 77 /* create 4 URBs - 2 on endpoint 0x83 and 2 on 0x082 */ in sd_start()
79 #error "Not enough URBs in the gspca table" in sd_start()
164 /* scan both received URBs */ in sd_isoc_irq()
191 * The images are received in URBs of different endpoints in sd_isoc_irq()
193 * Image pieces in URBs of ep 0x83 are continuated in URBs of in sd_isoc_irq()
195 * The packets in the URBs of endpoint 0x83 start with: in sd_isoc_irq()
228 /* resubmit the URBs */ in sd_isoc_irq()
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| /linux/drivers/video/fbdev/ |
| H A D | udlfb.c | 81 /* dlfb keeps a list of urbs for efficient bulk transfers */
412 * rendering can be done directly to output buffers (e.g. USB URBs).
1750 /* When non-active we'll update virtual framebuffer, but no new urbs */ in dlfb_usb_disconnect()
1753 /* this function will wait for all in-flight urbs to complete */ in dlfb_usb_disconnect()
1796 urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */ in dlfb_urb_completion()
1798 spin_lock_irqsave(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1799 list_add_tail(&unode->entry, &dlfb->urbs.list); in dlfb_urb_completion()
1800 dlfb->urbs.available++; in dlfb_urb_completion()
1801 spin_unlock_irqrestore(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1803 up(&dlfb->urbs.limit_sem); in dlfb_urb_completion()
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| H A D | smscufx.c | 96 struct urb_list urbs; member
132 /* ufx keeps a list of urbs for efficient bulk transfers */
1086 up(&unode->dev->urbs.limit_sem); in ufx_release_urb_work()
1717 if (dev->urbs.count > 0) in ufx_usb_probe()
1740 /* When non-active we'll update virtual framebuffer, but no new urbs */ in ufx_usb_disconnect()
1749 /* this function will wait for all in-flight urbs to complete */ in ufx_usb_disconnect()
1750 if (dev->urbs.count > 0) in ufx_usb_disconnect()
1786 urb->transfer_buffer_length = dev->urbs.size; /* reset to actual */ in ufx_urb_completion()
1788 spin_lock_irqsave(&dev->urbs.lock, flags); in ufx_urb_completion()
1789 list_add_tail(&unode->entry, &dev->urbs.list); in ufx_urb_completion()
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| /linux/sound/usb/ |
| H A D | endpoint.c | 53 * There are functions to activate and deactivate the streaming URBs and
72 * only the first user will effectively start the URBs, and only the last
73 * one to stop it will tear the URBs down again.
446 * Send output urbs that have been prepared previously. URBs are dequeued
451 * The reason why the functionality of sending and preparing URBs is separated
531 * complete callback for urbs
987 * wait until all urbs are processed.
1007 "timeout: still %d active urbs on EP #%x\n", in wait_clear_urbs()
1028 * Stop active urbs
1065 * release an endpoint's urbs
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| H A D | midi.c | 125 } urbs[OUTPUT_URBS]; member
155 struct urb *urbs[INPUT_URBS]; member
271 urb_index = context - ep->urbs; in snd_usbmidi_out_urb_complete()
309 urb = ep->urbs[urb_index].urb; in snd_usbmidi_do_output()
355 if (atomic_read(&in->urbs[j]->use_count)) in snd_usbmidi_error_timer()
357 in->urbs[j]->dev = umidi->dev; in snd_usbmidi_error_timer()
358 snd_usbmidi_submit_urb(in->urbs[j], GFP_ATOMIC); in snd_usbmidi_error_timer()
376 if (ep->urbs[0].urb) in send_bulk_static_data()
377 err = usb_bulk_msg(ep->umidi->dev, ep->urbs[0].urb->pipe, in send_bulk_static_data()
1182 * currently active URBs, so we have to wait for those to complete. in snd_usbmidi_output_drain()
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| H A D | card.h | 9 #define SYNC_URBS 4 /* always four urbs for sync */
99 unsigned int nurbs; /* # urbs */
100 unsigned long active_mask; /* bitmask of active urbs */
101 unsigned long unlink_mask; /* bitmask of unlinked urbs */
102 atomic_t submitted_urbs; /* currently submitted urbs */
103 char *syncbuf; /* sync buffer for all sync URBs */
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| /linux/drivers/usb/core/ |
| H A D | urb.c | 107 * for urbs.
124 * This can be called to have access to URBs which are to be executed
243 * URBs may be submitted in interrupt context.
261 * interrupt and isochronous urbs, as part of successful URB submission
263 * (normally some power of two units). And for isochronous urbs,
296 * URBs may be submitted to endpoints before previous ones complete, to
592 * This routine cancels an in-progress request. URBs complete only once
629 * Host Controller Drivers (HCDs) place all the URBs for a particular
634 * will not restart until all its unlinked URBs have been fully retired,
654 * unlinking all pending URBs at the first fault.
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| H A D | message.c | 355 * users are forced to abuse this routine by using it to submit URBs for
396 if (io->urbs) { in sg_clean()
398 usb_free_urb(io->urbs[io->entries]); in sg_clean()
399 kfree(io->urbs); in sg_clean()
400 io->urbs = NULL; in sg_clean()
415 * device driver code (like this routine) unlink queued urbs first, in sg_complete()
441 /* the previous urbs, and this one, completed already. in sg_complete()
442 * unlink pending urbs so they won't rx/tx bad data. in sg_complete()
447 if (!io->urbs[i]) in sg_complete()
450 usb_block_urb(io->urbs[i]); in sg_complete()
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| /linux/drivers/media/usb/stk1160/ |
| H A D | stk1160-video.c | 337 * Cancel urbs
351 stk1160_dbg("killing %d urbs...\n", num_bufs); in stk1160_cancel_isoc()
356 * To kill urbs we can't be in atomic context. in stk1160_cancel_isoc()
363 stk1160_dbg("all urbs killed\n"); in stk1160_cancel_isoc()
401 * Helper for cancelling and freeing urbs
446 * Allocate URBs
462 stk1160_dbg("allocating urbs...\n"); in stk1160_alloc_isoc()
471 /* allocate urbs and transfer buffers */ in stk1160_alloc_isoc()
513 stk1160_dbg("%d urbs allocated\n", num_bufs); in stk1160_alloc_isoc()
527 stk1160_warn("%d urbs allocated. Trying to continue...\n", i); in stk1160_alloc_isoc()
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| /linux/drivers/usb/misc/ |
| H A D | usbtest.c | 90 * urbs and buffers are allocated dynamically,
115 /* set up all urbs so they can be used with either bulk or interrupt */
247 * These just package urbs as requests that can be easily canceled.
1220 /* allocate and init the urbs we'll queue. in test_ctrl_queue()
1385 /* queue the urbs */ in test_ctrl_queue()
1479 /* we can't unlink urbs while they're completing in unlink1()
1531 struct urb **urbs; member
1541 if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) { in unlink_queued_callback()
1574 /* Allocate and init the urbs we'll queue */ in unlink_queued()
1575 ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL); in unlink_queued()
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| /linux/drivers/net/wireless/zydas/zd1211rw/ |
| H A D | zd_usb.c | 750 struct urb **urbs; in __zd_usb_enable_rx() local
755 urbs = kcalloc(RX_URBS_COUNT, sizeof(struct urb *), GFP_KERNEL); in __zd_usb_enable_rx()
756 if (!urbs) in __zd_usb_enable_rx()
759 urbs[i] = alloc_rx_urb(usb); in __zd_usb_enable_rx()
760 if (!urbs[i]) in __zd_usb_enable_rx()
766 if (rx->urbs) { in __zd_usb_enable_rx()
771 rx->urbs = urbs; in __zd_usb_enable_rx()
776 r = usb_submit_urb(urbs[i], GFP_KERNEL); in __zd_usb_enable_rx()
784 usb_kill_urb(urbs[i]); in __zd_usb_enable_rx()
787 rx->urbs = NULL; in __zd_usb_enable_rx()
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| /linux/drivers/media/usb/au0828/ |
| H A D | au0828-dvb.c | 176 if (dev->urbs[i]) { in stop_urb_transfer()
177 usb_kill_urb(dev->urbs[i]); in stop_urb_transfer()
179 kfree(dev->urbs[i]->transfer_buffer); in stop_urb_transfer()
181 usb_free_urb(dev->urbs[i]); in stop_urb_transfer()
202 dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL); in start_urb_transfer()
203 if (!dev->urbs[i]) in start_urb_transfer()
206 purb = dev->urbs[i]; in start_urb_transfer()
216 dev->urbs[i] = NULL; in start_urb_transfer()
236 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC); in start_urb_transfer()
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