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ehci: make ehci_execute work on EHCIPacket instead of EHCIQueue 

This way it is possible to use ehci_execute to submit others than the
first EHCIPacket of the EHCIQueue.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-05-10 12:10:47 +02:00
parent eb36a88e6b
commit 4224558f87
1 changed files with 9 additions and 13 deletions
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22
hw/usb/hcd-ehci.c
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@ -1395,30 +1395,26 @@ static void ehci_execute_complete(EHCIQueue *q)
// 4.10.3
static int ehci_execute(EHCIQueue *q)
static int ehci_execute(EHCIPacket *p)
{
EHCIPacket *p = QTAILQ_FIRST(&q->packets);
USBDevice *dev;
USBEndpoint *ep;
int ret;
int endp;
int devadr;
assert(p != NULL);
assert(p->qtdaddr == q->qtdaddr);
if ( !(q->qh.token & QTD_TOKEN_ACTIVE)) {
fprintf(stderr, "Attempting to execute inactive QH\n");
if (!(p->qtd.token & QTD_TOKEN_ACTIVE)) {
fprintf(stderr, "Attempting to execute inactive qtd\n");
return USB_RET_PROCERR;
}
p->tbytes = (q->qh.token & QTD_TOKEN_TBYTES_MASK) >> QTD_TOKEN_TBYTES_SH;
p->tbytes = (p->qtd.token & QTD_TOKEN_TBYTES_MASK) >> QTD_TOKEN_TBYTES_SH;
if (p->tbytes > BUFF_SIZE) {
fprintf(stderr, "Request for more bytes than allowed\n");
return USB_RET_PROCERR;
}
p->pid = (q->qh.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH;
p->pid = (p->qtd.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH;
switch (p->pid) {
case 0:
p->pid = USB_TOKEN_OUT;
@ -1438,11 +1434,11 @@ static int ehci_execute(EHCIQueue *q)
return USB_RET_PROCERR;
}
endp = get_field(q->qh.epchar, QH_EPCHAR_EP);
devadr = get_field(q->qh.epchar, QH_EPCHAR_DEVADDR);
endp = get_field(p->queue->qh.epchar, QH_EPCHAR_EP);
devadr = get_field(p->queue->qh.epchar, QH_EPCHAR_DEVADDR);
/* TODO: associating device with ehci port */
dev = ehci_find_device(q->ehci, devadr);
dev = ehci_find_device(p->queue->ehci, devadr);
ep = usb_ep_get(dev, p->pid, endp);
usb_packet_setup(&p->packet, p->pid, ep);
@ -1912,7 +1908,7 @@ static int ehci_state_execute(EHCIQueue *q, int async)
ehci_set_usbsts(q->ehci, USBSTS_REC);
}
p->usb_status = ehci_execute(q);
p->usb_status = ehci_execute(p);
if (p->usb_status == USB_RET_PROCERR) {
again = -1;
goto out;