/* endpoint association data */
#define ISO_FRAME_DESC_PER_URB 32
-#define ISO_URB_COUNT 3
#define INVALID_EP_TYPE 255
/* devio.c limits single requests to 16k */
int configuration;
int ninterfaces;
int closing;
+ uint32_t iso_urb_count;
Notifier exit;
struct endp_data endp_table[MAX_ENDPOINTS];
AsyncURB *aurb;
int i, j, len = get_max_packet_size(s, ep);
- aurb = qemu_mallocz(ISO_URB_COUNT * sizeof(*aurb));
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ aurb = qemu_mallocz(s->iso_urb_count * sizeof(*aurb));
+ for (i = 0; i < s->iso_urb_count; i++) {
aurb[i].urb.endpoint = ep;
aurb[i].urb.buffer_length = ISO_FRAME_DESC_PER_URB * len;
aurb[i].urb.buffer = qemu_malloc(aurb[i].urb.buffer_length);
return;
}
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ for (i = 0; i < s->iso_urb_count; i++) {
/* in flight? */
if (aurb[i].iso_frame_idx == -1) {
ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]);
async_complete(s);
}
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ for (i = 0; i < s->iso_urb_count; i++) {
qemu_free(aurb[i].urb.buffer);
}
}
aurb[i].iso_frame_idx++;
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
- i = (i + 1) % ISO_URB_COUNT;
+ i = (i + 1) % s->iso_urb_count;
set_iso_urb_idx(s, p->devep, i);
}
} else {
if (is_iso_started(s, p->devep)) {
/* (Re)-submit all fully consumed / filled urbs */
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ for (i = 0; i < s->iso_urb_count; i++) {
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]);
if (ret < 0) {
DEFINE_PROP_STRING("hostport", USBHostDevice, match.port),
DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0),
DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0),
+ DEFINE_PROP_UINT32("isobufs", USBHostDevice, iso_urb_count, 4),
DEFINE_PROP_END_OF_LIST(),
},
};