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usb: add USBEndpoint->{nr,pid} 

Add a "nr" and "pid" fields to USBEndpoint so you can easily figure the
endpoint number and direction of any given endpoint.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-01-12 13:24:22 +01:00
parent f53c398aa6
commit 63095ab54c
2 changed files with 7 additions and 0 deletions
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5
hw/usb.c
View File

@ -402,10 +402,15 @@ void usb_ep_init(USBDevice *dev)
{ {
int ep; int ep;
dev->ep_ctl.nr = 0;
dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL; dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL;
dev->ep_ctl.ifnum = 0; dev->ep_ctl.ifnum = 0;
dev->ep_ctl.dev = dev; dev->ep_ctl.dev = dev;
for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
dev->ep_in[ep].nr = ep + 1;
dev->ep_out[ep].nr = ep + 1;
dev->ep_in[ep].pid = USB_TOKEN_IN;
dev->ep_out[ep].pid = USB_TOKEN_OUT;
dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID; dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID;
dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID; dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID;
dev->ep_in[ep].ifnum = 0; dev->ep_in[ep].ifnum = 0;

2
hw/usb.h
View File

@ -171,6 +171,8 @@ struct USBDescString {
#define USB_MAX_INTERFACES 16 #define USB_MAX_INTERFACES 16
struct USBEndpoint { struct USBEndpoint {
uint8_t nr;
uint8_t pid;
uint8_t type; uint8_t type;
uint8_t ifnum; uint8_t ifnum;
int max_packet_size; int max_packet_size;