Lines Matching refs:as
375 struct async *as; in alloc_async() local
377 as = kzalloc(sizeof(struct async), GFP_KERNEL); in alloc_async()
378 if (!as) in alloc_async()
380 as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL); in alloc_async()
381 if (!as->urb) { in alloc_async()
382 kfree(as); in alloc_async()
385 return as; in alloc_async()
388 static void free_async(struct async *as) in free_async() argument
392 put_pid(as->pid); in free_async()
393 if (as->cred) in free_async()
394 put_cred(as->cred); in free_async()
395 for (i = 0; i < as->urb->num_sgs; i++) { in free_async()
396 if (sg_page(&as->urb->sg[i])) in free_async()
397 kfree(sg_virt(&as->urb->sg[i])); in free_async()
400 kfree(as->urb->sg); in free_async()
401 if (as->usbm == NULL) in free_async()
402 kfree(as->urb->transfer_buffer); in free_async()
404 dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count); in free_async()
406 kfree(as->urb->setup_packet); in free_async()
407 usb_free_urb(as->urb); in free_async()
408 usbfs_decrease_memory_usage(as->mem_usage); in free_async()
409 kfree(as); in free_async()
412 static void async_newpending(struct async *as) in async_newpending() argument
414 struct usb_dev_state *ps = as->ps; in async_newpending()
418 list_add_tail(&as->asynclist, &ps->async_pending); in async_newpending()
422 static void async_removepending(struct async *as) in async_removepending() argument
424 struct usb_dev_state *ps = as->ps; in async_removepending()
428 list_del_init(&as->asynclist); in async_removepending()
435 struct async *as = NULL; in async_getcompleted() local
439 as = list_entry(ps->async_completed.next, struct async, in async_getcompleted()
441 list_del_init(&as->asynclist); in async_getcompleted()
444 return as; in async_getcompleted()
450 struct async *as; in async_getpending() local
452 list_for_each_entry(as, &ps->async_pending, asynclist) in async_getpending()
453 if (as->userurb == userurb) { in async_getpending()
454 list_del_init(&as->asynclist); in async_getpending()
455 return as; in async_getpending()
562 struct async *as; in cancel_bulk_urbs() local
569 list_for_each_entry(as, &ps->async_pending, asynclist) { in cancel_bulk_urbs()
570 if (as->bulk_addr == bulk_addr) { in cancel_bulk_urbs()
571 if (as->bulk_status != AS_CONTINUATION) in cancel_bulk_urbs()
573 as->bulk_status = AS_UNLINK; in cancel_bulk_urbs()
574 as->bulk_addr = 0; in cancel_bulk_urbs()
581 list_for_each_entry(as, &ps->async_pending, asynclist) { in cancel_bulk_urbs()
582 if (as->bulk_status == AS_UNLINK) { in cancel_bulk_urbs()
583 as->bulk_status = 0; /* Only once */ in cancel_bulk_urbs()
584 urb = as->urb; in cancel_bulk_urbs()
597 struct async *as = urb->context; in async_completed() local
598 struct usb_dev_state *ps = as->ps; in async_completed()
606 list_move_tail(&as->asynclist, &ps->async_completed); in async_completed()
607 as->status = urb->status; in async_completed()
608 signr = as->signr; in async_completed()
611 sinfo.si_signo = as->signr; in async_completed()
612 sinfo.si_errno = as->status; in async_completed()
614 sinfo.si_addr = as->userurb; in async_completed()
615 pid = get_pid(as->pid); in async_completed()
616 cred = get_cred(as->cred); in async_completed()
617 secid = as->secid; in async_completed()
620 snoop_urb(urb->dev, as->userurb, urb->pipe, urb->actual_length, in async_completed()
621 as->status, COMPLETE, NULL, 0); in async_completed()
625 if (as->status < 0 && as->bulk_addr && as->status != -ECONNRESET && in async_completed()
626 as->status != -ENOENT) in async_completed()
627 cancel_bulk_urbs(ps, as->bulk_addr); in async_completed()
642 struct async *as; in destroy_async() local
647 as = list_entry(list->next, struct async, asynclist); in destroy_async()
648 list_del_init(&as->asynclist); in destroy_async()
649 urb = as->urb; in destroy_async()
1050 struct async *as; in usbdev_release() local
1069 as = async_getcompleted(ps); in usbdev_release()
1070 while (as) { in usbdev_release()
1071 free_async(as); in usbdev_release()
1072 as = async_getcompleted(ps); in usbdev_release()
1450 struct async *as = NULL; in proc_do_submiturb() local
1595 as = alloc_async(number_of_packets); in proc_do_submiturb()
1596 if (!as) { in proc_do_submiturb()
1601 as->usbm = find_memory_area(ps, uurb); in proc_do_submiturb()
1602 if (IS_ERR(as->usbm)) { in proc_do_submiturb()
1603 ret = PTR_ERR(as->usbm); in proc_do_submiturb()
1604 as->usbm = NULL; in proc_do_submiturb()
1611 if (as->usbm) in proc_do_submiturb()
1619 as->mem_usage = u; in proc_do_submiturb()
1622 as->urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist), in proc_do_submiturb()
1624 if (!as->urb->sg) { in proc_do_submiturb()
1628 as->urb->num_sgs = num_sgs; in proc_do_submiturb()
1629 sg_init_table(as->urb->sg, as->urb->num_sgs); in proc_do_submiturb()
1632 for (i = 0; i < as->urb->num_sgs; i++) { in proc_do_submiturb()
1639 sg_set_buf(&as->urb->sg[i], buf, u); in proc_do_submiturb()
1651 if (as->usbm) { in proc_do_submiturb()
1654 as->urb->transfer_buffer = as->usbm->mem + in proc_do_submiturb()
1655 (uurb_start - as->usbm->vm_start); in proc_do_submiturb()
1657 as->urb->transfer_buffer = kmalloc(uurb->buffer_length, in proc_do_submiturb()
1659 if (!as->urb->transfer_buffer) { in proc_do_submiturb()
1664 if (copy_from_user(as->urb->transfer_buffer, in proc_do_submiturb()
1677 memset(as->urb->transfer_buffer, 0, in proc_do_submiturb()
1682 as->urb->dev = ps->dev; in proc_do_submiturb()
1683 as->urb->pipe = (uurb->type << 30) | in proc_do_submiturb()
1702 as->urb->transfer_flags = u; in proc_do_submiturb()
1704 as->urb->transfer_buffer_length = uurb->buffer_length; in proc_do_submiturb()
1705 as->urb->setup_packet = (unsigned char *)dr; in proc_do_submiturb()
1707 as->urb->start_frame = uurb->start_frame; in proc_do_submiturb()
1708 as->urb->number_of_packets = number_of_packets; in proc_do_submiturb()
1709 as->urb->stream_id = stream_id; in proc_do_submiturb()
1715 as->urb->interval = 1 << in proc_do_submiturb()
1718 as->urb->interval = ep->desc.bInterval; in proc_do_submiturb()
1721 as->urb->context = as; in proc_do_submiturb()
1722 as->urb->complete = async_completed; in proc_do_submiturb()
1724 as->urb->iso_frame_desc[u].offset = totlen; in proc_do_submiturb()
1725 as->urb->iso_frame_desc[u].length = isopkt[u].length; in proc_do_submiturb()
1730 as->ps = ps; in proc_do_submiturb()
1731 as->userurb = arg; in proc_do_submiturb()
1732 if (as->usbm) { in proc_do_submiturb()
1735 as->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in proc_do_submiturb()
1736 as->urb->transfer_dma = as->usbm->dma_handle + in proc_do_submiturb()
1737 (uurb_start - as->usbm->vm_start); in proc_do_submiturb()
1739 as->userbuffer = uurb->buffer; in proc_do_submiturb()
1740 as->signr = uurb->signr; in proc_do_submiturb()
1741 as->ifnum = ifnum; in proc_do_submiturb()
1742 as->pid = get_pid(task_pid(current)); in proc_do_submiturb()
1743 as->cred = get_current_cred(); in proc_do_submiturb()
1744 security_task_getsecid(current, &as->secid); in proc_do_submiturb()
1745 snoop_urb(ps->dev, as->userurb, as->urb->pipe, in proc_do_submiturb()
1746 as->urb->transfer_buffer_length, 0, SUBMIT, in proc_do_submiturb()
1749 snoop_urb_data(as->urb, as->urb->transfer_buffer_length); in proc_do_submiturb()
1751 async_newpending(as); in proc_do_submiturb()
1760 as->bulk_addr = usb_endpoint_num(&ep->desc) | in proc_do_submiturb()
1768 as->bulk_status = AS_CONTINUATION; in proc_do_submiturb()
1770 ps->disabled_bulk_eps &= ~(1 << as->bulk_addr); in proc_do_submiturb()
1775 if (ps->disabled_bulk_eps & (1 << as->bulk_addr)) in proc_do_submiturb()
1778 ret = usb_submit_urb(as->urb, GFP_ATOMIC); in proc_do_submiturb()
1781 ret = usb_submit_urb(as->urb, GFP_KERNEL); in proc_do_submiturb()
1787 snoop_urb(ps->dev, as->userurb, as->urb->pipe, in proc_do_submiturb()
1789 async_removepending(as); in proc_do_submiturb()
1795 if (as && as->usbm) in proc_do_submiturb()
1796 dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count); in proc_do_submiturb()
1799 if (as) in proc_do_submiturb()
1800 free_async(as); in proc_do_submiturb()
1819 struct async *as; in proc_unlinkurb() local
1823 as = async_getpending(ps, arg); in proc_unlinkurb()
1824 if (!as) { in proc_unlinkurb()
1829 urb = as->urb; in proc_unlinkurb()
1851 static int processcompl(struct async *as, void __user * __user *arg) in processcompl() argument
1853 struct urb *urb = as->urb; in processcompl()
1854 struct usbdevfs_urb __user *userurb = as->userurb; in processcompl()
1855 void __user *addr = as->userurb; in processcompl()
1859 if (as->userbuffer && urb->actual_length) { in processcompl()
1860 if (copy_urb_data_to_user(as->userbuffer, urb)) in processcompl()
1863 if (put_user(as->status, &userurb->status)) in processcompl()
1892 struct async *as = NULL; in reap_as() local
1898 as = async_getcompleted(ps); in reap_as()
1899 if (as || !connected(ps)) in reap_as()
1909 return as; in reap_as()
1914 struct async *as = reap_as(ps); in proc_reapurb() local
1916 if (as) { in proc_reapurb()
1919 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurb()
1920 retval = processcompl(as, (void __user * __user *)arg); in proc_reapurb()
1921 free_async(as); in proc_reapurb()
1932 struct async *as; in proc_reapurbnonblock() local
1934 as = async_getcompleted(ps); in proc_reapurbnonblock()
1935 if (as) { in proc_reapurbnonblock()
1936 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurbnonblock()
1937 retval = processcompl(as, (void __user * __user *)arg); in proc_reapurbnonblock()
1938 free_async(as); in proc_reapurbnonblock()
2026 static int processcompl_compat(struct async *as, void __user * __user *arg) in processcompl_compat() argument
2028 struct urb *urb = as->urb; in processcompl_compat()
2029 struct usbdevfs_urb32 __user *userurb = as->userurb; in processcompl_compat()
2030 void __user *addr = as->userurb; in processcompl_compat()
2034 if (as->userbuffer && urb->actual_length) { in processcompl_compat()
2035 if (copy_urb_data_to_user(as->userbuffer, urb)) in processcompl_compat()
2038 if (put_user(as->status, &userurb->status)) in processcompl_compat()
2063 struct async *as = reap_as(ps); in proc_reapurb_compat() local
2065 if (as) { in proc_reapurb_compat()
2068 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurb_compat()
2069 retval = processcompl_compat(as, (void __user * __user *)arg); in proc_reapurb_compat()
2070 free_async(as); in proc_reapurb_compat()
2081 struct async *as; in proc_reapurbnonblock_compat() local
2083 as = async_getcompleted(ps); in proc_reapurbnonblock_compat()
2084 if (as) { in proc_reapurbnonblock_compat()
2085 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurbnonblock_compat()
2086 retval = processcompl_compat(as, (void __user * __user *)arg); in proc_reapurbnonblock_compat()
2087 free_async(as); in proc_reapurbnonblock_compat()