| /Linux-v6.1/drivers/gpu/drm/udl/ |
| 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-v6.1/Documentation/driver-api/usb/ |
| 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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| D | callbacks.rst | 8 structure and through the completion handler of URBs a driver submits.
104 If you are called due to a physical disconnection, all your URBs will be
121 outstanding URBs to complete, and save any device state you need to
122 restore. No more URBs may be submitted until the post_reset method
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| /Linux-v6.1/drivers/usb/usbip/ |
| D | stub_rx.c | 199 * process coming urbs. Even if the urb is unlinked, its completion
253 ret = usb_unlink_urb(priv->urbs[i]); in stub_recv_cmd_unlink()
255 dev_err(&priv->urbs[i]->dev->dev, in stub_recv_cmd_unlink()
447 ret = usbip_recv_xbuff(ud, priv->urbs[i]); in stub_recv_xbuff()
502 * a single SG request into several URBs and map in stub_recv_cmd_submit()
509 * several URBs. Later, priv->sgl is used by in stub_recv_cmd_submit()
511 * reassemble the divied URBs. in stub_recv_cmd_submit()
528 priv->urbs = kmalloc_array(num_urbs, sizeof(*priv->urbs), GFP_KERNEL); in stub_recv_cmd_submit()
529 if (!priv->urbs) in stub_recv_cmd_submit()
537 priv->urbs[0] = usb_alloc_urb(np, GFP_KERNEL); in stub_recv_cmd_submit()
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| 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-v6.1/sound/usb/caiaq/ |
| D | audio.c | 700 struct urb **urbs; in alloc_urbs() local
708 urbs = kmalloc_array(N_URBS, sizeof(*urbs), GFP_KERNEL); in alloc_urbs()
709 if (!urbs) { in alloc_urbs()
715 urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL); in alloc_urbs()
716 if (!urbs[i]) { in alloc_urbs()
718 return urbs; in alloc_urbs()
721 urbs[i]->transfer_buffer = in alloc_urbs()
724 if (!urbs[i]->transfer_buffer) { in alloc_urbs()
726 return urbs; in alloc_urbs()
731 &urbs[i]->iso_frame_desc[frame]; in alloc_urbs()
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| /Linux-v6.1/drivers/net/can/usb/ |
| D | ucan.c | 260 /* 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-v6.1/drivers/net/wireless/purelifi/plfxlc/ |
| 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-v6.1/drivers/media/usb/gspca/ |
| 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-v6.1/sound/usb/line6/ |
| 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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| 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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| 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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| 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-v6.1/drivers/video/fbdev/ |
| D | udlfb.c | 79 /* dlfb keeps a list of urbs for efficient bulk transfers */
408 * rendering can be done directly to output buffers (e.g. USB URBs).
1799 /* When non-active we'll update virtual framebuffer, but no new urbs */ in dlfb_usb_disconnect()
1802 /* this function will wait for all in-flight urbs to complete */ in dlfb_usb_disconnect()
1845 urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */ in dlfb_urb_completion()
1847 spin_lock_irqsave(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1848 list_add_tail(&unode->entry, &dlfb->urbs.list); in dlfb_urb_completion()
1849 dlfb->urbs.available++; in dlfb_urb_completion()
1850 spin_unlock_irqrestore(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1852 up(&dlfb->urbs.limit_sem); in dlfb_urb_completion()
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| D | smscufx.c | 96 struct urb_list urbs; member
132 /* ufx keeps a list of urbs for efficient bulk transfers */
1142 up(&unode->dev->urbs.limit_sem); in ufx_release_urb_work()
1763 /* When non-active we'll update virtual framebuffer, but no new urbs */ in ufx_usb_disconnect()
1772 /* this function will wait for all in-flight urbs to complete */ in ufx_usb_disconnect()
1773 if (dev->urbs.count > 0) in ufx_usb_disconnect()
1809 urb->transfer_buffer_length = dev->urbs.size; /* reset to actual */ in ufx_urb_completion()
1811 spin_lock_irqsave(&dev->urbs.lock, flags); in ufx_urb_completion()
1812 list_add_tail(&unode->entry, &dev->urbs.list); in ufx_urb_completion()
1813 dev->urbs.available++; in ufx_urb_completion()
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| /Linux-v6.1/sound/usb/ |
| 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
520 * complete callback for urbs
965 * wait until all urbs are processed.
985 "timeout: still %d active urbs on EP #%x\n", in wait_clear_urbs()
1006 * Stop active urbs
1043 * release an endpoint's urbs
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| 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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| 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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| /Linux-v6.1/drivers/media/usb/stk1160/ |
| D | stk1160-video.c | 334 * Cancel urbs
348 stk1160_dbg("killing %d urbs...\n", num_bufs); in stk1160_cancel_isoc()
353 * To kill urbs we can't be in atomic context. in stk1160_cancel_isoc()
360 stk1160_dbg("all urbs killed\n"); in stk1160_cancel_isoc()
398 * Helper for cancelling and freeing urbs
443 * Allocate URBs
459 stk1160_dbg("allocating urbs...\n"); in stk1160_alloc_isoc()
468 /* allocate urbs and transfer buffers */ in stk1160_alloc_isoc()
510 stk1160_dbg("%d urbs allocated\n", num_bufs); in stk1160_alloc_isoc()
524 stk1160_warn("%d urbs allocated. Trying to continue...\n", i); in stk1160_alloc_isoc()
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| /Linux-v6.1/drivers/usb/core/ |
| 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
607 * This routine cancels an in-progress request. URBs complete only once
644 * Host Controller Drivers (HCDs) place all the URBs for a particular
649 * will not restart until all its unlinked URBs have been fully retired,
669 * unlinking all pending URBs at the first fault.
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| D | message.c | 354 * users are forced to abuse this routine by using it to submit URBs for
395 if (io->urbs) { in sg_clean()
397 usb_free_urb(io->urbs[io->entries]); in sg_clean()
398 kfree(io->urbs); in sg_clean()
399 io->urbs = NULL; in sg_clean()
414 * device driver code (like this routine) unlink queued urbs first, in sg_complete()
440 /* the previous urbs, and this one, completed already. in sg_complete()
441 * unlink pending urbs so they won't rx/tx bad data. in sg_complete()
446 if (!io->urbs[i]) in sg_complete()
449 usb_block_urb(io->urbs[i]); in sg_complete()
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| /Linux-v6.1/drivers/usb/misc/ |
| 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-v6.1/drivers/net/wireless/zydas/zd1211rw/ |
| D | zd_usb.c | 749 struct urb **urbs; in __zd_usb_enable_rx() local
754 urbs = kcalloc(RX_URBS_COUNT, sizeof(struct urb *), GFP_KERNEL); in __zd_usb_enable_rx()
755 if (!urbs) in __zd_usb_enable_rx()
758 urbs[i] = alloc_rx_urb(usb); in __zd_usb_enable_rx()
759 if (!urbs[i]) in __zd_usb_enable_rx()
765 if (rx->urbs) { in __zd_usb_enable_rx()
770 rx->urbs = urbs; in __zd_usb_enable_rx()
775 r = usb_submit_urb(urbs[i], GFP_KERNEL); in __zd_usb_enable_rx()
783 usb_kill_urb(urbs[i]); in __zd_usb_enable_rx()
786 rx->urbs = NULL; in __zd_usb_enable_rx()
[all …]
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| /Linux-v6.1/drivers/media/usb/au0828/ |
| 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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| /Linux-v6.1/drivers/usb/atm/ |
| D | usbatm.c | 38 * - unlink all active send urbs of a vcc that is being closed.
105 "Number of urbs used for reception (range: 0-"
111 "Number of urbs used for transmission (range: 0-"
193 ** urbs **
938 /* submit all rx URBs */ in usbatm_atm_init()
940 usbatm_submit_urb(instance->urbs[i]); in usbatm_atm_init()
1021 size = struct_size(instance, urbs, num_rcv_urbs + num_snd_urbs); in usbatm_usb_probe()
1119 /* initialize urbs */ in usbatm_usb_probe()
1134 instance->urbs[i] = urb; in usbatm_usb_probe()
1156 /* put all tx URBs on the list of spares */ in usbatm_usb_probe()
[all …]
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