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-rw-r--r--hw/usb-ehci.c93
1 files changed, 45 insertions, 48 deletions
diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c
index 4395ca2..e699814 100644
--- a/hw/usb-ehci.c
+++ b/hw/usb-ehci.c
@@ -715,8 +715,8 @@ static void ehci_queues_rip_device(EHCIState *ehci, USBDevice *dev)
EHCIQueue *q, *tmp;
QTAILQ_FOREACH_SAFE(q, &ehci->queues, next, tmp) {
- if (q->packet.owner == NULL ||
- q->packet.owner->dev != dev) {
+ if (!usb_packet_is_inflight(&q->packet) ||
+ q->packet.ep->dev != dev) {
continue;
}
ehci_free_queue(q);
@@ -765,6 +765,11 @@ static void ehci_detach(USBPort *port)
USBPort *companion = s->companion_ports[port->index];
companion->ops->detach(companion);
companion->dev = NULL;
+ /*
+ * EHCI spec 4.2.2: "When a disconnect occurs... On the event,
+ * the port ownership is returned immediately to the EHCI controller."
+ */
+ *portsc &= ~PORTSC_POWNER;
return;
}
@@ -845,6 +850,26 @@ static int ehci_register_companion(USBBus *bus, USBPort *ports[],
return 0;
}
+static USBDevice *ehci_find_device(EHCIState *ehci, uint8_t addr)
+{
+ USBDevice *dev;
+ USBPort *port;
+ int i;
+
+ for (i = 0; i < NB_PORTS; i++) {
+ port = &ehci->ports[i];
+ if (!(ehci->portsc[i] & PORTSC_PED)) {
+ DPRINTF("Port %d not enabled\n", i);
+ continue;
+ }
+ dev = usb_find_device(port, addr);
+ if (dev != NULL) {
+ return dev;
+ }
+ }
+ return NULL;
+}
+
/* 4.1 host controller initialization */
static void ehci_reset(void *opaque)
{
@@ -883,7 +908,7 @@ static void ehci_reset(void *opaque)
}
if (devs[i] && devs[i]->attached) {
usb_attach(&s->ports[i]);
- usb_send_msg(devs[i], USB_MSG_RESET);
+ usb_device_reset(devs[i]);
}
}
ehci_queues_rip_all(s);
@@ -982,7 +1007,7 @@ static void handle_port_status_write(EHCIState *s, int port, uint32_t val)
if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) {
trace_usb_ehci_port_reset(port, 0);
if (dev && dev->attached) {
- usb_reset(&s->ports[port]);
+ usb_port_reset(&s->ports[port]);
*portsc &= ~PORTSC_CSC;
}
@@ -1331,10 +1356,9 @@ err:
static int ehci_execute(EHCIQueue *q)
{
- USBPort *port;
USBDevice *dev;
+ USBEndpoint *ep;
int ret;
- int i;
int endp;
int devadr;
@@ -1364,33 +1388,18 @@ static int ehci_execute(EHCIQueue *q)
endp = get_field(q->qh.epchar, QH_EPCHAR_EP);
devadr = get_field(q->qh.epchar, QH_EPCHAR_DEVADDR);
- ret = USB_RET_NODEV;
+ /* TODO: associating device with ehci port */
+ dev = ehci_find_device(q->ehci, devadr);
+ ep = usb_ep_get(dev, q->pid, endp);
- usb_packet_setup(&q->packet, q->pid, devadr, endp);
+ usb_packet_setup(&q->packet, q->pid, ep);
usb_packet_map(&q->packet, &q->sgl);
- // TO-DO: associating device with ehci port
- for(i = 0; i < NB_PORTS; i++) {
- port = &q->ehci->ports[i];
- dev = port->dev;
-
- if (!(q->ehci->portsc[i] &(PORTSC_CONNECT))) {
- DPRINTF("Port %d, no exec, not connected(%08X)\n",
- i, q->ehci->portsc[i]);
- continue;
- }
-
- ret = usb_handle_packet(dev, &q->packet);
-
- DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd "
- "(total %d) endp %x ret %d\n",
- q->qhaddr, q->qh.next, q->qtdaddr, q->pid,
- q->packet.iov.size, q->tbytes, endp, ret);
-
- if (ret != USB_RET_NODEV) {
- break;
- }
- }
+ ret = usb_handle_packet(dev, &q->packet);
+ DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd "
+ "(total %d) endp %x ret %d\n",
+ q->qhaddr, q->qh.next, q->qtdaddr, q->pid,
+ q->packet.iov.size, q->tbytes, endp, ret);
if (ret > BUFF_SIZE) {
fprintf(stderr, "ret from usb_handle_packet > BUFF_SIZE\n");
@@ -1406,10 +1415,10 @@ static int ehci_execute(EHCIQueue *q)
static int ehci_process_itd(EHCIState *ehci,
EHCIitd *itd)
{
- USBPort *port;
USBDevice *dev;
+ USBEndpoint *ep;
int ret;
- uint32_t i, j, len, pid, dir, devaddr, endp;
+ uint32_t i, len, pid, dir, devaddr, endp;
uint32_t pg, off, ptr1, ptr2, max, mult;
dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION);
@@ -1447,24 +1456,12 @@ static int ehci_process_itd(EHCIState *ehci,
pid = dir ? USB_TOKEN_IN : USB_TOKEN_OUT;
- usb_packet_setup(&ehci->ipacket, pid, devaddr, endp);
+ dev = ehci_find_device(ehci, devaddr);
+ ep = usb_ep_get(dev, pid, endp);
+ usb_packet_setup(&ehci->ipacket, pid, ep);
usb_packet_map(&ehci->ipacket, &ehci->isgl);
- ret = USB_RET_NODEV;
- for (j = 0; j < NB_PORTS; j++) {
- port = &ehci->ports[j];
- dev = port->dev;
-
- if (!(ehci->portsc[j] &(PORTSC_CONNECT))) {
- continue;
- }
-
- ret = usb_handle_packet(dev, &ehci->ipacket);
-
- if (ret != USB_RET_NODEV) {
- break;
- }
- }
+ ret = usb_handle_packet(dev, &ehci->ipacket);
usb_packet_unmap(&ehci->ipacket);
qemu_sglist_destroy(&ehci->isgl);
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