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authorHans de Goede <hdegoede@redhat.com>2012-10-31 13:47:11 +0100
committerGerd Hoffmann <kraxel@redhat.com>2012-11-01 15:17:58 +0100
commitc19a798133e936a15ee0175ebc973d777c4c62ed (patch)
treed5246963eb1d8b91529a2439b1b6f685a7a7685a /hw/usb/redirect.c
parent579967bea69bf1b32faee13ff76b19ba641a2618 (diff)
downloadfocaccia-qemu-c19a798133e936a15ee0175ebc973d777c4c62ed.tar.gz
focaccia-qemu-c19a798133e936a15ee0175ebc973d777c4c62ed.zip
usb-redir: Add support for 32 bits bulk packet length
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/redirect.c')
-rw-r--r--hw/usb/redirect.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 22f671b3b1..6008620241 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -575,6 +575,10 @@ static int usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
     bulk_packet.endpoint  = ep;
     bulk_packet.length    = p->iov.size;
     bulk_packet.stream_id = 0;
+    bulk_packet.length_high = p->iov.size >> 16;
+    assert(bulk_packet.length_high == 0 ||
+           usbredirparser_peer_has_cap(dev->parser,
+                                       usb_redir_cap_32bits_bulk_length));
 
     if (ep & USB_DIR_IN) {
         usbredirparser_send_bulk_packet(dev->parser, p->id,
@@ -896,6 +900,7 @@ static void usbredir_create_parser(USBRedirDevice *dev)
     usbredirparser_caps_set_cap(caps, usb_redir_cap_filter);
     usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size);
     usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids);
+    usbredirparser_caps_set_cap(caps, usb_redir_cap_32bits_bulk_length);
 
     if (runstate_check(RUN_STATE_INMIGRATE)) {
         flags |= usbredirparser_fl_no_hello;
@@ -1452,7 +1457,7 @@ static void usbredir_bulk_packet(void *priv, uint64_t id,
 {
     USBRedirDevice *dev = priv;
     uint8_t ep = bulk_packet->endpoint;
-    int len = bulk_packet->length;
+    int len = (bulk_packet->length_high << 16) | bulk_packet->length;
     USBPacket *p;
 
     DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64"\n",