Lines Matching refs:as
371 struct async *as; in alloc_async() local
373 as = kzalloc(sizeof(struct async), GFP_KERNEL); in alloc_async()
374 if (!as) in alloc_async()
376 as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL); in alloc_async()
377 if (!as->urb) { in alloc_async()
378 kfree(as); in alloc_async()
381 return as; in alloc_async()
384 static void free_async(struct async *as) in free_async() argument
388 put_pid(as->pid); in free_async()
389 if (as->cred) in free_async()
390 put_cred(as->cred); in free_async()
391 for (i = 0; i < as->urb->num_sgs; i++) { in free_async()
392 if (sg_page(&as->urb->sg[i])) in free_async()
393 kfree(sg_virt(&as->urb->sg[i])); in free_async()
396 kfree(as->urb->sg); in free_async()
397 if (as->usbm == NULL) in free_async()
398 kfree(as->urb->transfer_buffer); in free_async()
400 dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count); in free_async()
402 kfree(as->urb->setup_packet); in free_async()
403 usb_free_urb(as->urb); in free_async()
404 usbfs_decrease_memory_usage(as->mem_usage); in free_async()
405 kfree(as); in free_async()
408 static void async_newpending(struct async *as) in async_newpending() argument
410 struct usb_dev_state *ps = as->ps; in async_newpending()
414 list_add_tail(&as->asynclist, &ps->async_pending); in async_newpending()
418 static void async_removepending(struct async *as) in async_removepending() argument
420 struct usb_dev_state *ps = as->ps; in async_removepending()
424 list_del_init(&as->asynclist); in async_removepending()
431 struct async *as = NULL; in async_getcompleted() local
435 as = list_entry(ps->async_completed.next, struct async, in async_getcompleted()
437 list_del_init(&as->asynclist); in async_getcompleted()
440 return as; in async_getcompleted()
446 struct async *as; in async_getpending() local
448 list_for_each_entry(as, &ps->async_pending, asynclist) in async_getpending()
449 if (as->userurb == userurb) { in async_getpending()
450 list_del_init(&as->asynclist); in async_getpending()
451 return as; in async_getpending()
558 struct async *as; in cancel_bulk_urbs() local
565 list_for_each_entry(as, &ps->async_pending, asynclist) { in cancel_bulk_urbs()
566 if (as->bulk_addr == bulk_addr) { in cancel_bulk_urbs()
567 if (as->bulk_status != AS_CONTINUATION) in cancel_bulk_urbs()
569 as->bulk_status = AS_UNLINK; in cancel_bulk_urbs()
570 as->bulk_addr = 0; in cancel_bulk_urbs()
577 list_for_each_entry(as, &ps->async_pending, asynclist) { in cancel_bulk_urbs()
578 if (as->bulk_status == AS_UNLINK) { in cancel_bulk_urbs()
579 as->bulk_status = 0; /* Only once */ in cancel_bulk_urbs()
580 urb = as->urb; in cancel_bulk_urbs()
593 struct async *as = urb->context; in async_completed() local
594 struct usb_dev_state *ps = as->ps; in async_completed()
602 list_move_tail(&as->asynclist, &ps->async_completed); in async_completed()
603 as->status = urb->status; in async_completed()
604 signr = as->signr; in async_completed()
606 errno = as->status; in async_completed()
607 addr = as->userurb_sigval; in async_completed()
608 pid = get_pid(as->pid); in async_completed()
609 cred = get_cred(as->cred); in async_completed()
612 snoop_urb(urb->dev, as->userurb, urb->pipe, urb->actual_length, in async_completed()
613 as->status, COMPLETE, NULL, 0); in async_completed()
617 if (as->status < 0 && as->bulk_addr && as->status != -ECONNRESET && in async_completed()
618 as->status != -ENOENT) in async_completed()
619 cancel_bulk_urbs(ps, as->bulk_addr); in async_completed()
634 struct async *as; in destroy_async() local
639 as = list_entry(list->next, struct async, asynclist); in destroy_async()
640 list_del_init(&as->asynclist); in destroy_async()
641 urb = as->urb; in destroy_async()
1050 struct async *as; in usbdev_release() local
1073 as = async_getcompleted(ps); in usbdev_release()
1074 while (as) { in usbdev_release()
1075 free_async(as); in usbdev_release()
1076 as = async_getcompleted(ps); in usbdev_release()
1487 struct async *as = NULL; in proc_do_submiturb() local
1642 as = alloc_async(number_of_packets); in proc_do_submiturb()
1643 if (!as) { in proc_do_submiturb()
1648 as->usbm = find_memory_area(ps, uurb); in proc_do_submiturb()
1649 if (IS_ERR(as->usbm)) { in proc_do_submiturb()
1650 ret = PTR_ERR(as->usbm); in proc_do_submiturb()
1651 as->usbm = NULL; in proc_do_submiturb()
1658 if (as->usbm) in proc_do_submiturb()
1662 (as->usbm ? 0 : uurb->buffer_length) + in proc_do_submiturb()
1667 as->mem_usage = u; in proc_do_submiturb()
1670 as->urb->sg = kmalloc_array(num_sgs, in proc_do_submiturb()
1673 if (!as->urb->sg) { in proc_do_submiturb()
1677 as->urb->num_sgs = num_sgs; in proc_do_submiturb()
1678 sg_init_table(as->urb->sg, as->urb->num_sgs); in proc_do_submiturb()
1681 for (i = 0; i < as->urb->num_sgs; i++) { in proc_do_submiturb()
1688 sg_set_buf(&as->urb->sg[i], buf, u); in proc_do_submiturb()
1700 if (as->usbm) { in proc_do_submiturb()
1703 as->urb->transfer_buffer = as->usbm->mem + in proc_do_submiturb()
1704 (uurb_start - as->usbm->vm_start); in proc_do_submiturb()
1706 as->urb->transfer_buffer = kmalloc(uurb->buffer_length, in proc_do_submiturb()
1708 if (!as->urb->transfer_buffer) { in proc_do_submiturb()
1713 if (copy_from_user(as->urb->transfer_buffer, in proc_do_submiturb()
1726 memset(as->urb->transfer_buffer, 0, in proc_do_submiturb()
1731 as->urb->dev = ps->dev; in proc_do_submiturb()
1732 as->urb->pipe = (uurb->type << 30) | in proc_do_submiturb()
1749 as->urb->transfer_flags = u; in proc_do_submiturb()
1756 as->urb->transfer_buffer_length = uurb->buffer_length; in proc_do_submiturb()
1757 as->urb->setup_packet = (unsigned char *)dr; in proc_do_submiturb()
1759 as->urb->start_frame = uurb->start_frame; in proc_do_submiturb()
1760 as->urb->number_of_packets = number_of_packets; in proc_do_submiturb()
1761 as->urb->stream_id = stream_id; in proc_do_submiturb()
1767 as->urb->interval = 1 << in proc_do_submiturb()
1770 as->urb->interval = ep->desc.bInterval; in proc_do_submiturb()
1773 as->urb->context = as; in proc_do_submiturb()
1774 as->urb->complete = async_completed; in proc_do_submiturb()
1776 as->urb->iso_frame_desc[u].offset = totlen; in proc_do_submiturb()
1777 as->urb->iso_frame_desc[u].length = isopkt[u].length; in proc_do_submiturb()
1782 as->ps = ps; in proc_do_submiturb()
1783 as->userurb = arg; in proc_do_submiturb()
1784 as->userurb_sigval = userurb_sigval; in proc_do_submiturb()
1785 if (as->usbm) { in proc_do_submiturb()
1788 as->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in proc_do_submiturb()
1789 as->urb->transfer_dma = as->usbm->dma_handle + in proc_do_submiturb()
1790 (uurb_start - as->usbm->vm_start); in proc_do_submiturb()
1792 as->userbuffer = uurb->buffer; in proc_do_submiturb()
1793 as->signr = uurb->signr; in proc_do_submiturb()
1794 as->ifnum = ifnum; in proc_do_submiturb()
1795 as->pid = get_pid(task_pid(current)); in proc_do_submiturb()
1796 as->cred = get_current_cred(); in proc_do_submiturb()
1797 snoop_urb(ps->dev, as->userurb, as->urb->pipe, in proc_do_submiturb()
1798 as->urb->transfer_buffer_length, 0, SUBMIT, in proc_do_submiturb()
1801 snoop_urb_data(as->urb, as->urb->transfer_buffer_length); in proc_do_submiturb()
1803 async_newpending(as); in proc_do_submiturb()
1812 as->bulk_addr = usb_endpoint_num(&ep->desc) | in proc_do_submiturb()
1820 as->bulk_status = AS_CONTINUATION; in proc_do_submiturb()
1822 ps->disabled_bulk_eps &= ~(1 << as->bulk_addr); in proc_do_submiturb()
1827 if (ps->disabled_bulk_eps & (1 << as->bulk_addr)) in proc_do_submiturb()
1830 ret = usb_submit_urb(as->urb, GFP_ATOMIC); in proc_do_submiturb()
1833 ret = usb_submit_urb(as->urb, GFP_KERNEL); in proc_do_submiturb()
1839 snoop_urb(ps->dev, as->userurb, as->urb->pipe, in proc_do_submiturb()
1841 async_removepending(as); in proc_do_submiturb()
1849 if (as) in proc_do_submiturb()
1850 free_async(as); in proc_do_submiturb()
1873 struct async *as; in proc_unlinkurb() local
1877 as = async_getpending(ps, arg); in proc_unlinkurb()
1878 if (!as) { in proc_unlinkurb()
1883 urb = as->urb; in proc_unlinkurb()
1905 static int processcompl(struct async *as, void __user * __user *arg) in processcompl() argument
1907 struct urb *urb = as->urb; in processcompl()
1908 struct usbdevfs_urb __user *userurb = as->userurb; in processcompl()
1909 void __user *addr = as->userurb; in processcompl()
1913 if (as->userbuffer && urb->actual_length) { in processcompl()
1914 if (copy_urb_data_to_user(as->userbuffer, urb)) in processcompl()
1917 if (put_user(as->status, &userurb->status)) in processcompl()
1946 struct async *as = NULL; in reap_as() local
1952 as = async_getcompleted(ps); in reap_as()
1953 if (as || !connected(ps)) in reap_as()
1963 return as; in reap_as()
1968 struct async *as = reap_as(ps); in proc_reapurb() local
1970 if (as) { in proc_reapurb()
1973 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurb()
1974 retval = processcompl(as, (void __user * __user *)arg); in proc_reapurb()
1975 free_async(as); in proc_reapurb()
1986 struct async *as; in proc_reapurbnonblock() local
1988 as = async_getcompleted(ps); in proc_reapurbnonblock()
1989 if (as) { in proc_reapurbnonblock()
1990 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurbnonblock()
1991 retval = processcompl(as, (void __user * __user *)arg); in proc_reapurbnonblock()
1992 free_async(as); in proc_reapurbnonblock()
2078 static int processcompl_compat(struct async *as, void __user * __user *arg) in processcompl_compat() argument
2080 struct urb *urb = as->urb; in processcompl_compat()
2081 struct usbdevfs_urb32 __user *userurb = as->userurb; in processcompl_compat()
2082 void __user *addr = as->userurb; in processcompl_compat()
2086 if (as->userbuffer && urb->actual_length) { in processcompl_compat()
2087 if (copy_urb_data_to_user(as->userbuffer, urb)) in processcompl_compat()
2090 if (put_user(as->status, &userurb->status)) in processcompl_compat()
2115 struct async *as = reap_as(ps); in proc_reapurb_compat() local
2117 if (as) { in proc_reapurb_compat()
2120 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurb_compat()
2121 retval = processcompl_compat(as, (void __user * __user *)arg); in proc_reapurb_compat()
2122 free_async(as); in proc_reapurb_compat()
2133 struct async *as; in proc_reapurbnonblock_compat() local
2135 as = async_getcompleted(ps); in proc_reapurbnonblock_compat()
2136 if (as) { in proc_reapurbnonblock_compat()
2137 snoop(&ps->dev->dev, "reap %pK\n", as->userurb); in proc_reapurbnonblock_compat()
2138 retval = processcompl_compat(as, (void __user * __user *)arg); in proc_reapurbnonblock_compat()
2139 free_async(as); in proc_reapurbnonblock_compat()