commit f003397ce95441cd8de01a728affb3de7accd1dd
author Gerd Hoffmann <kraxel@redhat.com> Wed Aug 31 16:09:27 2011 +0200
committer Gerd Hoffmann <kraxel@redhat.com> Tue Jan 17 09:44:50 2012 +0100
tree a5ec4b86fffd6c90770ff1fe0d88e435ebe7298a
parent 5b6780d045720848c57a7cf461b49befcd24c691

usb: add max_packet_size to USBEndpoint

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/usb.c

diff --git a/hw/usb.c b/hw/usb.c
index f07cb9d..0f163b4 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -449,8 +449,9 @@
                     fprintf(stderr, "  Interface %d, alternative %d\n",
                             ifnum, dev->altsetting[ifnum]);
                 }
-                fprintf(stderr, "    Endpoint %d, IN, %s\n", ep,
-                        tname[dev->ep_in[ep].type]);
+                fprintf(stderr, "    Endpoint %d, IN, %s, %d max\n", ep,
+                        tname[dev->ep_in[ep].type],
+                        dev->ep_in[ep].max_packet_size);
             }
             if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID &&
                 dev->ep_out[ep].ifnum == ifnum) {
@@ -459,8 +460,9 @@
                     fprintf(stderr, "  Interface %d, alternative %d\n",
                             ifnum, dev->altsetting[ifnum]);
                 }
-                fprintf(stderr, "    Endpoint %d, OUT, %s\n", ep,
-                        tname[dev->ep_out[ep].type]);
+                fprintf(stderr, "    Endpoint %d, OUT, %s, %d max\n", ep,
+                        tname[dev->ep_out[ep].type],
+                        dev->ep_out[ep].max_packet_size);
             }
         }
     }
@@ -498,3 +500,30 @@
     struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
     uep->ifnum = ifnum;
 }
+
+void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
+                                uint16_t raw)
+{
+    struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+    int size, microframes;
+
+    size = raw & 0x7ff;
+    switch ((raw >> 11) & 3) {
+    case 1:
+        microframes = 2;
+        break;
+    case 2:
+        microframes = 3;
+        break;
+    default:
+        microframes = 1;
+        break;
+    }
+    uep->max_packet_size = size * microframes;
+}
+
+int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep)
+{
+    struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+    return uep->max_packet_size;
+}