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authorGerd Hoffmann <kraxel@redhat.com>2011-08-29 13:45:25 +0200
committerGerd Hoffmann <kraxel@redhat.com>2012-01-17 09:44:50 +0100
commit5b6780d045720848c57a7cf461b49befcd24c691 (patch)
tree9a98421d3ba3a512bd8c5650f8a07ac7fcbc26ed /hw
parent83a53bbcdae2270656d70c7311d4f7f791532d23 (diff)
usb/debug: add usb_ep_dump
Add function to dump endpoint data, for debugging purposes. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb.c40
-rw-r--r--hw/usb.h1
2 files changed, 41 insertions, 0 deletions
diff --git a/hw/usb.c b/hw/usb.c
index 6ba063ab90..f07cb9d58c 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -427,6 +427,46 @@ void usb_ep_init(USBDevice *dev)
}
}
+void usb_ep_dump(USBDevice *dev)
+{
+ static const char *tname[] = {
+ [USB_ENDPOINT_XFER_CONTROL] = "control",
+ [USB_ENDPOINT_XFER_ISOC] = "isoc",
+ [USB_ENDPOINT_XFER_BULK] = "bulk",
+ [USB_ENDPOINT_XFER_INT] = "int",
+ };
+ int ifnum, ep, first;
+
+ fprintf(stderr, "Device \"%s\", config %d\n",
+ dev->product_desc, dev->configuration);
+ for (ifnum = 0; ifnum < 16; ifnum++) {
+ first = 1;
+ for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
+ if (dev->ep_in[ep].type != USB_ENDPOINT_XFER_INVALID &&
+ dev->ep_in[ep].ifnum == ifnum) {
+ if (first) {
+ first = 0;
+ 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]);
+ }
+ if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID &&
+ dev->ep_out[ep].ifnum == ifnum) {
+ if (first) {
+ first = 0;
+ 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, "--\n");
+}
+
struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep)
{
struct USBEndpoint *eps = pid == USB_TOKEN_IN ? dev->ep_in : dev->ep_out;
diff --git a/hw/usb.h b/hw/usb.h
index 60e88583ac..c35ff7437b 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -333,6 +333,7 @@ void usb_packet_complete(USBDevice *dev, USBPacket *p);
void usb_cancel_packet(USBPacket * p);
void usb_ep_init(USBDevice *dev);
+void usb_ep_dump(USBDevice *dev);
struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep);