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usb/debug: add usb_ep_dump 

Add function to dump endpoint data, for debugging purposes.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2011-08-29 13:45:25 +02:00
parent 83a53bbcda
commit 5b6780d045
3 changed files with 44 additions and 0 deletions
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40
hw/usb.c
View File

@ -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;

1
hw/usb.h
View File

@ -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);

3
usb-linux.c
View File

@ -1214,6 +1214,9 @@ static int usb_linux_update_endp_table(USBHostDevice *s)
i += descriptors[i];
}
}
#ifdef DEBUG
usb_ep_dump(&s->dev);
#endif
return 0;
}