87     int i, disk = 0;  in xen_block_find_free_vdev()  local
126         disk = vdev_to_diskno(vdev_nr);  in xen_block_find_free_vdev()
127         if (disk < 0 || disk >= MAX_AUTO_VDEV) {  in xen_block_find_free_vdev()
131         set_bit(disk, used_devs);  in xen_block_find_free_vdev()
135     disk = find_first_zero_bit(used_devs, MAX_AUTO_VDEV);  in xen_block_find_free_vdev()
136     if (disk == MAX_AUTO_VDEV) {  in xen_block_find_free_vdev()
143     vdev->disk = disk;  in xen_block_find_free_vdev()
144     if (disk < (1 << 4)) {  in xen_block_find_free_vdev()
145         vdev->number = (XVDA_MAJOR << 8) | (disk << 4);  in xen_block_find_free_vdev()
147         vdev->number = (XVDQ_MAJOR << 8) | (disk << 8);  in xen_block_find_free_vdev()
170     trace_xen_block_disconnect(type, vdev->disk, vdev->partition);  in xen_block_disconnect()
185     trace_xen_block_connect(type, vdev->disk, vdev->partition);  in xen_block_connect()
280     trace_xen_block_unrealize(type, vdev->disk, vdev->partition);  in xen_block_unrealize()
301     trace_xen_block_size(type, vdev->disk, vdev->partition, sectors);  in xen_block_set_size()
359     trace_xen_block_realize(type, vdev->disk, vdev->partition);  in xen_block_realize()
477 static char *disk_to_vbd_name(unsigned int disk)  in disk_to_vbd_name()  argument
479     char *name, *prefix = (disk >= 26) ?  in disk_to_vbd_name()
480         disk_to_vbd_name((disk / 26) - 1) : g_strdup("");  in disk_to_vbd_name()
482     name = g_strdup_printf("%s%c", prefix, 'a' + disk % 26);  in disk_to_vbd_name()
497         str = g_strdup_printf("d%lup%lu", vdev->disk, vdev->partition);  in xen_block_get_vdev()
503         char *vbd_name = disk_to_vbd_name(vdev->disk);  in xen_block_get_vdev()
525                             unsigned long *disk)  in vbd_name_to_disk()  argument
543     *disk = n - 1;  in vbd_name_to_disk()
579         if (qemu_strtoul(p, &end, 10, &vdev->disk)) {  in xen_block_set_vdev()
589         if (vbd_name_to_disk(p, &end, &vdev->disk)) {  in xen_block_set_vdev()
611         if (vdev->disk < (1 << 4) && vdev->partition < (1 << 4)) {  in xen_block_set_vdev()
612             vdev->number = (XVDA_MAJOR << 8) | (vdev->disk << 4) |  in xen_block_set_vdev()
614         } else if (vdev->disk < (1 << 20) && vdev->partition < (1 << 8)) {  in xen_block_set_vdev()
615             vdev->number = (XVDQ_MAJOR << 8) | (vdev->disk << 8) |  in xen_block_set_vdev()
623         if ((vdev->disk == 0 || vdev->disk == 1) &&  in xen_block_set_vdev()
625             vdev->number = (HDA_MAJOR << 8) | (vdev->disk << 6) |  in xen_block_set_vdev()
627         } else if ((vdev->disk == 2 || vdev->disk == 3) &&  in xen_block_set_vdev()
629             vdev->number = (HDC_MAJOR << 8) | ((vdev->disk - 2) << 6) |  in xen_block_set_vdev()
637         if (vdev->disk < (1 << 4) && vdev->partition < (1 << 4)) {  in xen_block_set_vdev()
638             vdev->number = (SDA_MAJOR << 8) | (vdev->disk << 4) |  in xen_block_set_vdev()