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authorAnthony Liguori <aliguori@us.ibm.com>2012-02-15 17:25:25 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2012-02-15 17:25:25 -0600
commit7718564ba1295f35188a5fb3ac8633c29d43b166 (patch)
tree5aa858b930de7f4c25867f05f867c049d4f713f5 /hw
parent65b31cc207b8ab949033870acf55bb124d12848e (diff)
parent7c605a23b2c7606f5f06b7d83d8927b1dc111478 (diff)
Merge remote-tracking branch 'kraxel/usb.38' into staging
* kraxel/usb.38: (28 commits) xhci: handle USB_RET_NAK xhci: remote wakeup support xhci: kill port arg from xhci_setup_packet xhci: stop on errors xhci: add trb type name lookup support. xhci: signal low- and fullspeed support usb: add USBBusOps->wakeup_endpoint usb: pass USBEndpoint to usb_wakeup usb: maintain async packet list per endpoint usb: Set USBEndpoint in usb_packet_setup(). usb: add USBEndpoint->{nr,pid} usb: USBPacket: add status, rename owner -> ep usb: fold usb_generic_handle_packet into usb_handle_packet usb: kill handle_packet callback usb-xhci: switch to usb_find_device() usb-musb: switch to usb_find_device() usb-ohci: switch to usb_find_device() usb-ehci: switch to usb_find_device() usb-uhci: switch to usb_find_device() usb: handle dev == NULL in usb_handle_packet() ...
Diffstat (limited to 'hw')
-rw-r--r--hw/usb-audio.c5
-rw-r--r--hw/usb-bt.c5
-rw-r--r--hw/usb-bus.c14
-rw-r--r--hw/usb-ccid.c7
-rw-r--r--hw/usb-ehci.c93
-rw-r--r--hw/usb-hid.c7
-rw-r--r--hw/usb-hub.c72
-rw-r--r--hw/usb-msd.c3
-rw-r--r--hw/usb-musb.c18
-rw-r--r--hw/usb-net.c7
-rw-r--r--hw/usb-ohci.c81
-rw-r--r--hw/usb-serial.c4
-rw-r--r--hw/usb-uhci.c93
-rw-r--r--hw/usb-wacom.c3
-rw-r--r--hw/usb-xhci.c248
-rw-r--r--hw/usb.c240
-rw-r--r--hw/usb.h56
17 files changed, 596 insertions, 360 deletions
diff --git a/hw/usb-audio.c b/hw/usb-audio.c
index 0cdfd91dd..fed136117 100644
--- a/hw/usb-audio.c
+++ b/hw/usb-audio.c
@@ -607,7 +607,7 @@ static int usb_audio_handle_data(USBDevice *dev, USBPacket *p)
switch (p->pid) {
case USB_TOKEN_OUT:
- switch (p->devep) {
+ switch (p->ep->nr) {
case 1:
ret = usb_audio_handle_dataout(s, p);
break;
@@ -624,7 +624,7 @@ fail:
if (ret == USB_RET_STALL && s->debug) {
fprintf(stderr, "usb-audio: failed data transaction: "
"pid 0x%x ep 0x%x len 0x%zx\n",
- p->pid, p->devep, p->iov.size);
+ p->pid, p->ep->nr, p->iov.size);
}
return ret;
}
@@ -691,7 +691,6 @@ static void usb_audio_class_init(ObjectClass *klass, void *data)
k->product_desc = "QEMU USB Audio Interface";
k->usb_desc = &desc_audio;
k->init = usb_audio_initfn;
- k->handle_packet = usb_generic_handle_packet;
k->handle_reset = usb_audio_handle_reset;
k->handle_control = usb_audio_handle_control;
k->handle_data = usb_audio_handle_data;
diff --git a/hw/usb-bt.c b/hw/usb-bt.c
index a836de3f8..649bdcf2d 100644
--- a/hw/usb-bt.c
+++ b/hw/usb-bt.c
@@ -423,7 +423,7 @@ static int usb_bt_handle_data(USBDevice *dev, USBPacket *p)
switch (p->pid) {
case USB_TOKEN_IN:
- switch (p->devep & 0xf) {
+ switch (p->ep->nr) {
case USB_EVT_EP:
ret = usb_bt_fifo_dequeue(&s->evt, p);
break;
@@ -442,7 +442,7 @@ static int usb_bt_handle_data(USBDevice *dev, USBPacket *p)
break;
case USB_TOKEN_OUT:
- switch (p->devep & 0xf) {
+ switch (p->ep->nr) {
case USB_ACL_EP:
usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send,
usb_bt_hci_acl_complete, p);
@@ -535,7 +535,6 @@ static void usb_bt_class_initfn(ObjectClass *klass, void *data)
uc->init = usb_bt_initfn;
uc->product_desc = "QEMU BT dongle";
uc->usb_desc = &desc_bluetooth;
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = usb_bt_handle_reset;
uc->handle_control = usb_bt_handle_control;
uc->handle_data = usb_bt_handle_data;
diff --git a/hw/usb-bus.c b/hw/usb-bus.c
index e97fb6af3..ae79a4527 100644
--- a/hw/usb-bus.c
+++ b/hw/usb-bus.c
@@ -74,21 +74,21 @@ static int usb_device_init(USBDevice *dev)
return 0;
}
-static void usb_device_handle_destroy(USBDevice *dev)
+USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr)
{
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
- if (klass->handle_destroy) {
- klass->handle_destroy(dev);
+ if (klass->find_device) {
+ return klass->find_device(dev, addr);
}
+ return NULL;
}
-int usb_device_handle_packet(USBDevice *dev, USBPacket *p)
+static void usb_device_handle_destroy(USBDevice *dev)
{
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
- if (klass->handle_packet) {
- return klass->handle_packet(dev, p);
+ if (klass->handle_destroy) {
+ klass->handle_destroy(dev);
}
- return -ENOSYS;
}
void usb_device_cancel_packet(USBDevice *dev, USBPacket *p)
diff --git a/hw/usb-ccid.c b/hw/usb-ccid.c
index 893d0a0de..0b2ac8037 100644
--- a/hw/usb-ccid.c
+++ b/hw/usb-ccid.c
@@ -267,6 +267,7 @@ typedef struct CCIDBus {
*/
typedef struct USBCCIDState {
USBDevice dev;
+ USBEndpoint *intr;
CCIDBus bus;
CCIDCardState *card;
BulkIn bulk_in_pending[BULK_IN_PENDING_NUM]; /* circular */
@@ -839,7 +840,7 @@ static void ccid_on_slot_change(USBCCIDState *s, bool full)
s->bmSlotICCState |= SLOT_0_CHANGED_MASK;
}
s->notify_slot_change = true;
- usb_wakeup(&s->dev);
+ usb_wakeup(s->intr);
}
static void ccid_write_data_block_error(
@@ -995,7 +996,7 @@ static int ccid_handle_data(USBDevice *dev, USBPacket *p)
break;
case USB_TOKEN_IN:
- switch (p->devep & 0xf) {
+ switch (p->ep->nr) {
case CCID_BULK_IN_EP:
if (!p->iov.size) {
ret = USB_RET_NAK;
@@ -1190,6 +1191,7 @@ static int ccid_initfn(USBDevice *dev)
usb_desc_init(dev);
qbus_create_inplace(&s->bus.qbus, &ccid_bus_info, &dev->qdev, NULL);
+ s->intr = usb_ep_get(dev, USB_TOKEN_IN, CCID_INT_IN_EP);
s->bus.qbus.allow_hotplug = 1;
s->card = NULL;
s->migration_state = MIGRATION_NONE;
@@ -1320,7 +1322,6 @@ static void ccid_class_initfn(ObjectClass *klass, void *data)
uc->init = ccid_initfn;
uc->product_desc = "QEMU USB CCID";
uc->usb_desc = &desc_ccid;
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = ccid_handle_reset;
uc->handle_control = ccid_handle_control;
uc->handle_data = ccid_handle_data;
diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c
index 4395ca2e6..e69981430 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);
diff --git a/hw/usb-hid.c b/hw/usb-hid.c
index 8820abd11..7fc0bd81a 100644
--- a/hw/usb-hid.c
+++ b/hw/usb-hid.c
@@ -44,6 +44,7 @@
typedef struct USBHIDState {
USBDevice dev;
+ USBEndpoint *intr;
HIDState hid;
} USBHIDState;
@@ -360,7 +361,7 @@ static void usb_hid_changed(HIDState *hs)
{
USBHIDState *us = container_of(hs, USBHIDState, hid);
- usb_wakeup(&us->dev);
+ usb_wakeup(us->intr);
}
static void usb_hid_handle_reset(USBDevice *dev)
@@ -463,7 +464,7 @@ static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
switch (p->pid) {
case USB_TOKEN_IN:
- if (p->devep == 1) {
+ if (p->ep->nr == 1) {
int64_t curtime = qemu_get_clock_ns(vm_clock);
if (!hid_has_events(hs) &&
(!hs->idle || hs->next_idle_clock - curtime > 0)) {
@@ -501,6 +502,7 @@ static int usb_hid_initfn(USBDevice *dev, int kind)
USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
usb_desc_init(dev);
+ us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
hid_init(&us->hid, kind, usb_hid_changed);
return 0;
}
@@ -557,7 +559,6 @@ static void usb_hid_class_initfn(ObjectClass *klass, void *data)
{
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = usb_hid_handle_reset;
uc->handle_control = usb_hid_handle_control;
uc->handle_data = usb_hid_handle_data;
diff --git a/hw/usb-hub.c b/hw/usb-hub.c
index 7604730b7..a12856e2e 100644
--- a/hw/usb-hub.c
+++ b/hw/usb-hub.c
@@ -37,6 +37,7 @@ typedef struct USBHubPort {
typedef struct USBHubState {
USBDevice dev;
+ USBEndpoint *intr;
USBHubPort ports[NUM_PORTS];
} USBHubState;
@@ -163,7 +164,7 @@ static void usb_hub_attach(USBPort *port1)
} else {
port->wPortStatus &= ~PORT_STAT_LOW_SPEED;
}
- usb_wakeup(&s->dev);
+ usb_wakeup(s->intr);
}
static void usb_hub_detach(USBPort *port1)
@@ -171,7 +172,7 @@ static void usb_hub_detach(USBPort *port1)
USBHubState *s = port1->opaque;
USBHubPort *port = &s->ports[port1->index];
- usb_wakeup(&s->dev);
+ usb_wakeup(s->intr);
/* Let upstream know the device on this port is gone */
s->dev.port->ops->child_detach(s->dev.port, port1->dev);
@@ -199,7 +200,7 @@ static void usb_hub_wakeup(USBPort *port1)
if (port->wPortStatus & PORT_STAT_SUSPEND) {
port->wPortChange |= PORT_STAT_C_SUSPEND;
- usb_wakeup(&s->dev);
+ usb_wakeup(s->intr);
}
}
@@ -220,6 +221,26 @@ static void usb_hub_complete(USBPort *port, USBPacket *packet)
s->dev.port->ops->complete(s->dev.port, packet);
}
+static USBDevice *usb_hub_find_device(USBDevice *dev, uint8_t addr)
+{
+ USBHubState *s = DO_UPCAST(USBHubState, dev, dev);
+ USBHubPort *port;
+ USBDevice *downstream;
+ int i;
+
+ for (i = 0; i < NUM_PORTS; i++) {
+ port = &s->ports[i];
+ if (!(port->wPortStatus & PORT_STAT_ENABLE)) {
+ continue;
+ }
+ downstream = usb_find_device(&port->port, addr);
+ if (downstream != NULL) {
+ return downstream;
+ }
+ }
+ return NULL;
+}
+
static void usb_hub_handle_reset(USBDevice *dev)
{
USBHubState *s = DO_UPCAST(USBHubState, dev, dev);
@@ -305,7 +326,7 @@ static int usb_hub_handle_control(USBDevice *dev, USBPacket *p,
break;
case PORT_RESET:
if (dev && dev->attached) {
- usb_send_msg(dev, USB_MSG_RESET);
+ usb_device_reset(dev);
port->wPortChange |= PORT_STAT_C_RESET;
/* set enable bit */
port->wPortStatus |= PORT_STAT_ENABLE;
@@ -396,7 +417,7 @@ static int usb_hub_handle_data(USBDevice *dev, USBPacket *p)
switch(p->pid) {
case USB_TOKEN_IN:
- if (p->devep == 1) {
+ if (p->ep->nr == 1) {
USBHubPort *port;
unsigned int status;
uint8_t buf[4];
@@ -435,44 +456,6 @@ static int usb_hub_handle_data(USBDevice *dev, USBPacket *p)
return ret;
}
-static int usb_hub_broadcast_packet(USBHubState *s, USBPacket *p)
-{
- USBHubPort *port;
- USBDevice *dev;
- int i, ret;
-
- for(i = 0; i < NUM_PORTS; i++) {
- port = &s->ports[i];
- dev = port->port.dev;
- if (dev && dev->attached && (port->wPortStatus & PORT_STAT_ENABLE)) {
- ret = usb_handle_packet(dev, p);
- if (ret != USB_RET_NODEV) {
- return ret;
- }
- }
- }
- return USB_RET_NODEV;
-}
-
-static int usb_hub_handle_packet(USBDevice *dev, USBPacket *p)
-{
- USBHubState *s = (USBHubState *)dev;
-
-#if defined(DEBUG) && 0
- printf("usb_hub: pid=0x%x\n", pid);
-#endif
- if (dev->state == USB_STATE_DEFAULT &&
- dev->addr != 0 &&
- p->devaddr != dev->addr &&
- (p->pid == USB_TOKEN_SETUP ||
- p->pid == USB_TOKEN_OUT ||
- p->pid == USB_TOKEN_IN)) {
- /* broadcast the packet to the devices */
- return usb_hub_broadcast_packet(s, p);
- }
- return usb_generic_handle_packet(dev, p);
-}
-
static void usb_hub_handle_destroy(USBDevice *dev)
{
USBHubState *s = (USBHubState *)dev;
@@ -499,6 +482,7 @@ static int usb_hub_initfn(USBDevice *dev)
int i;
usb_desc_init(dev);
+ s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
for (i = 0; i < NUM_PORTS; i++) {
port = &s->ports[i];
usb_register_port(usb_bus_from_device(dev),
@@ -541,7 +525,7 @@ static void usb_hub_class_initfn(ObjectClass *klass, void *data)
uc->init = usb_hub_initfn;
uc->product_desc = "QEMU USB Hub";
uc->usb_desc = &desc_hub;
- uc->handle_packet = usb_hub_handle_packet;
+ uc->find_device = usb_hub_find_device;
uc->handle_reset = usb_hub_handle_reset;
uc->handle_control = usb_hub_handle_control;
uc->handle_data = usb_hub_handle_data;
diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index 5ed009d57..c933efe19 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -341,7 +341,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
uint32_t tag;
int ret = 0;
struct usb_msd_cbw cbw;
- uint8_t devep = p->devep;
+ uint8_t devep = p->ep->nr;
switch (p->pid) {
case USB_TOKEN_OUT:
@@ -651,7 +651,6 @@ static void usb_msd_class_initfn(ObjectClass *klass, void *data)
uc->init = usb_msd_initfn;
uc->product_desc = "QEMU USB MSD";
uc->usb_desc = &desc;
- uc->handle_packet = usb_generic_handle_packet;
uc->cancel_packet = usb_msd_cancel_io;
uc->handle_attach = usb_desc_attach;
uc->handle_reset = usb_msd_handle_reset;
diff --git a/hw/usb-musb.c b/hw/usb-musb.c
index 4f528d25e..820907a9a 100644
--- a/hw/usb-musb.c
+++ b/hw/usb-musb.c
@@ -605,6 +605,8 @@ static int musb_timeout(int ttype, int speed, int val)
static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
int epnum, int pid, int len, USBCallback cb, int dir)
{
+ USBDevice *dev;
+ USBEndpoint *uep;
int ret;
int idx = epnum && dir;
int ttype;
@@ -622,16 +624,14 @@ static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
ep->delayed_cb[dir] = cb;
/* A wild guess on the FADDR semantics... */
- usb_packet_setup(&ep->packey[dir].p, pid, ep->faddr[idx],
- ep->type[idx] & 0xf);
+ dev = usb_find_device(&s->port, ep->faddr[idx]);
+ uep = usb_ep_get(dev, pid, ep->type[idx] & 0xf);
+ usb_packet_setup(&ep->packey[dir].p, pid, uep);
usb_packet_addbuf(&ep->packey[dir].p, ep->buf[idx], len);
ep->packey[dir].ep = ep;
ep->packey[dir].dir = dir;
- if (s->port.dev)
- ret = usb_handle_packet(s->port.dev, &ep->packey[dir].p);
- else
- ret = USB_RET_NODEV;
+ ret = usb_handle_packet(dev, &ep->packey[dir].p);
if (ret == USB_RET_ASYNC) {
ep->status[dir] = len;
@@ -812,8 +812,8 @@ static void musb_async_cancel_device(MUSBState *s, USBDevice *dev)
for (ep = 0; ep < 16; ep++) {
for (dir = 0; dir < 2; dir++) {
- if (s->ep[ep].packey[dir].p.owner == NULL ||
- s->ep[ep].packey[dir].p.owner->dev != dev) {
+ if (!usb_packet_is_inflight(&s->ep[ep].packey[dir].p) ||
+ s->ep[ep].packey[dir].p.ep->dev != dev) {
continue;
}
usb_cancel_packet(&s->ep[ep].packey[dir].p);
@@ -1310,7 +1310,7 @@ static void musb_writeb(void *opaque, target_phys_addr_t addr, uint32_t value)
s->power = (value & 0xef) | (s->power & 0x10);
/* MGC_M_POWER_RESET is also read-only in Peripheral Mode */
if ((value & MGC_M_POWER_RESET) && s->port.dev) {
- usb_send_msg(s->port.dev, USB_MSG_RESET);
+ usb_device_reset(s->port.dev);
/* Negotiate high-speed operation if MGC_M_POWER_HSENAB is set. */
if ((value & MGC_M_POWER_HSENAB) &&
s->port.dev->speed == USB_SPEED_HIGH)
diff --git a/hw/usb-net.c b/hw/usb-net.c
index 77e3278cf..49d5d4db6 100644
--- a/hw/usb-net.c
+++ b/hw/usb-net.c
@@ -1210,7 +1210,7 @@ static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
switch(p->pid) {
case USB_TOKEN_IN:
- switch (p->devep) {
+ switch (p->ep->nr) {
case 1:
ret = usb_net_handle_statusin(s, p);
break;
@@ -1225,7 +1225,7 @@ static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
break;
case USB_TOKEN_OUT:
- switch (p->devep) {
+ switch (p->ep->nr) {
case 2:
ret = usb_net_handle_dataout(s, p);
break;
@@ -1243,7 +1243,7 @@ static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
if (ret == USB_RET_STALL)
fprintf(stderr, "usbnet: failed data transaction: "
"pid 0x%x ep 0x%x len 0x%zx\n",
- p->pid, p->devep, p->iov.size);
+ p->pid, p->ep->nr, p->iov.size);
return ret;
}
@@ -1398,7 +1398,6 @@ static void usb_net_class_initfn(ObjectClass *klass, void *data)
uc->init = usb_net_initfn;
uc->product_desc = "QEMU USB Network Interface";
uc->usb_desc = &desc_net;
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = usb_net_handle_reset;
uc->handle_control = usb_net_handle_control;
uc->handle_data = usb_net_handle_data;
diff --git a/hw/usb-ohci.c b/hw/usb-ohci.c
index da04c6345..7aa19fe78 100644
--- a/hw/usb-ohci.c
+++ b/hw/usb-ohci.c
@@ -408,6 +408,23 @@ static void ohci_child_detach(USBPort *port1, USBDevice *child)
ohci_async_cancel_device(s, child);
}
+static USBDevice *ohci_find_device(OHCIState *ohci, uint8_t addr)
+{
+ USBDevice *dev;
+ int i;
+
+ for (i = 0; i < ohci->num_ports; i++) {
+ if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0) {
+ continue;
+ }
+ dev = usb_find_device(&ohci->rhport[i].port, addr);
+ if (dev != NULL) {
+ return dev;
+ }
+ }
+ return NULL;
+}
+
/* Reset the controller */
static void ohci_reset(void *opaque)
{
@@ -449,7 +466,7 @@ static void ohci_reset(void *opaque)
port = &ohci->rhport[i];
port->ctrl = 0;
if (port->port.dev && port->port.dev->attached) {
- usb_reset(&port->port);
+ usb_port_reset(&port->port);
}
}
if (ohci->async_td) {
@@ -640,6 +657,7 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
int ret;
int i;
USBDevice *dev;
+ USBEndpoint *ep;
struct ohci_iso_td iso_td;
uint32_t addr;
uint16_t starting_frame;
@@ -779,20 +797,11 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
if (completion) {
ret = ohci->usb_packet.result;
} else {
- ret = USB_RET_NODEV;
- for (i = 0; i < ohci->num_ports; i++) {
- dev = ohci->rhport[i].port.dev;
- if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0)
- continue;
- usb_packet_setup(&ohci->usb_packet, pid,
- OHCI_BM(ed->flags, ED_FA),
- OHCI_BM(ed->flags, ED_EN));
- usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, len);
- ret = usb_handle_packet(dev, &ohci->usb_packet);
- if (ret != USB_RET_NODEV)
- break;
- }
-
+ dev = ohci_find_device(ohci, OHCI_BM(ed->flags, ED_FA));
+ ep = usb_ep_get(dev, pid, OHCI_BM(ed->flags, ED_EN));
+ usb_packet_setup(&ohci->usb_packet, pid, ep);
+ usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, len);
+ ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret == USB_RET_ASYNC) {
return 1;
}
@@ -880,6 +889,7 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
int ret;
int i;
USBDevice *dev;
+ USBEndpoint *ep;
struct ohci_td td;
uint32_t addr;
int flag_r;
@@ -972,31 +982,22 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
ohci->async_td = 0;
ohci->async_complete = 0;
} else {
- ret = USB_RET_NODEV;
- for (i = 0; i < ohci->num_ports; i++) {
- dev = ohci->rhport[i].port.dev;
- if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0)
- continue;
-
- if (ohci->async_td) {
- /* ??? The hardware should allow one active packet per
- endpoint. We only allow one active packet per controller.
- This should be sufficient as long as devices respond in a
- timely manner.
- */
+ if (ohci->async_td) {
+ /* ??? The hardware should allow one active packet per
+ endpoint. We only allow one active packet per controller.
+ This should be sufficient as long as devices respond in a
+ timely manner.
+ */
#ifdef DEBUG_PACKET
- DPRINTF("Too many pending packets\n");
+ DPRINTF("Too many pending packets\n");
#endif
- return 1;
- }
- usb_packet_setup(&ohci->usb_packet, pid,
- OHCI_BM(ed->flags, ED_FA),
- OHCI_BM(ed->flags, ED_EN));
- usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, pktlen);
- ret = usb_handle_packet(dev, &ohci->usb_packet);
- if (ret != USB_RET_NODEV)
- break;
+ return 1;
}
+ dev = ohci_find_device(ohci, OHCI_BM(ed->flags, ED_FA));
+ ep = usb_ep_get(dev, pid, OHCI_BM(ed->flags, ED_EN));
+ usb_packet_setup(&ohci->usb_packet, pid, ep);
+ usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, pktlen);
+ ret = usb_handle_packet(dev, &ohci->usb_packet);
#ifdef DEBUG_PACKET
DPRINTF("ret=%d\n", ret);
#endif
@@ -1435,7 +1436,7 @@ static void ohci_port_set_status(OHCIState *ohci, int portnum, uint32_t val)
if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PRS)) {
DPRINTF("usb-ohci: port %d: RESET\n", portnum);
- usb_send_msg(port->port.dev, USB_MSG_RESET);
+ usb_device_reset(port->port.dev);
port->ctrl &= ~OHCI_PORT_PRS;
/* ??? Should this also set OHCI_PORT_PESC. */
port->ctrl |= OHCI_PORT_PES | OHCI_PORT_PRSC;
@@ -1708,8 +1709,8 @@ static void ohci_mem_write(void *opaque,
static void ohci_async_cancel_device(OHCIState *ohci, USBDevice *dev)
{
if (ohci->async_td &&
- ohci->usb_packet.owner != NULL &&
- ohci->usb_packet.owner->dev == dev) {
+ usb_packet_is_inflight(&ohci->usb_packet) &&
+ ohci->usb_packet.ep->dev == dev) {
usb_cancel_packet(&ohci->usb_packet);
ohci->async_td = 0;
}
diff --git a/hw/usb-serial.c b/hw/usb-serial.c
index f726a0a19..52676e8f7 100644
--- a/hw/usb-serial.c
+++ b/hw/usb-serial.c
@@ -353,7 +353,7 @@ static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
{
USBSerialState *s = (USBSerialState *)dev;
int i, ret = 0;
- uint8_t devep = p->devep;
+ uint8_t devep = p->ep->nr;
struct iovec *iov;
uint8_t header[2];
int first_len, len;
@@ -583,7 +583,6 @@ static void usb_serial_class_initfn(ObjectClass *klass, void *data)
uc->init = usb_serial_initfn;
uc->product_desc = "QEMU USB Serial";
uc->usb_desc = &desc_serial;
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = usb_serial_handle_reset;
uc->handle_control = usb_serial_handle_control;
uc->handle_data = usb_serial_handle_data;
@@ -612,7 +611,6 @@ static void usb_braille_class_initfn(ObjectClass *klass, void *data)
uc->init = usb_serial_initfn;
uc->product_desc = "QEMU USB Braille";
uc->usb_desc = &desc_braille;
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = usb_serial_handle_reset;
uc->handle_control = usb_serial_handle_control;
uc->handle_data = usb_serial_handle_data;
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index 6f6ebf169..2280dc792 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -73,7 +73,7 @@
#define FRAME_TIMER_FREQ 1000
-#define FRAME_MAX_LOOPS 100
+#define FRAME_MAX_LOOPS 256
#define NB_PORTS 2
@@ -94,15 +94,6 @@ static const char *pid2str(int pid)
#define DPRINTF(...)
#endif
-#ifdef DEBUG_DUMP_DATA
-static void dump_data(USBPacket *p, int ret)
-{
- iov_hexdump(p->iov.iov, p->iov.niov, stderr, "uhci", ret);
-}
-#else
-static void dump_data(USBPacket *p, int ret) {}
-#endif
-
typedef struct UHCIState UHCIState;
/*
@@ -245,8 +236,8 @@ static void uhci_async_cancel_device(UHCIState *s, USBDevice *dev)
UHCIAsync *curr, *n;
QTAILQ_FOREACH_SAFE(curr, &s->async_pending, next, n) {
- if (curr->packet.owner == NULL ||
- curr->packet.owner->dev != dev) {
+ if (!usb_packet_is_inflight(&curr->packet) ||
+ curr->packet.ep->dev != dev) {
continue;
}
uhci_async_unlink(s, curr);
@@ -342,7 +333,7 @@ static void uhci_reset(void *opaque)
port = &s->ports[i];
port->ctrl = 0x0080;
if (port->port.dev && port->port.dev->attached) {
- usb_reset(&port->port);
+ usb_port_reset(&port->port);
}
}
@@ -440,16 +431,12 @@ static void uhci_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
}
if (val & UHCI_CMD_GRESET) {
UHCIPort *port;
- USBDevice *dev;
int i;
/* send reset on the USB bus */
for(i = 0; i < NB_PORTS; i++) {
port = &s->ports[i];
- dev = port->port.dev;
- if (dev && dev->attached) {
- usb_send_msg(dev, USB_MSG_RESET);
- }
+ usb_device_reset(port->port.dev);
}
uhci_reset(s);
return;
@@ -491,7 +478,7 @@ static void uhci_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
/* port reset */
if ( (val & UHCI_PORT_RESET) &&
!(port->ctrl & UHCI_PORT_RESET) ) {
- usb_send_msg(dev, USB_MSG_RESET);
+ usb_device_reset(dev);
}
}
port->ctrl &= UHCI_PORT_READ_ONLY;
@@ -647,30 +634,22 @@ static void uhci_wakeup(USBPort *port1)
}
}
-static int uhci_broadcast_packet(UHCIState *s, USBPacket *p)
+static USBDevice *uhci_find_device(UHCIState *s, uint8_t addr)
{
- int i, ret;
-
- DPRINTF("uhci: packet enter. pid %s addr 0x%02x ep %d len %zd\n",
- pid2str(p->pid), p->devaddr, p->devep, p->iov.size);
- if (p->pid == USB_TOKEN_OUT || p->pid == USB_TOKEN_SETUP)
- dump_data(p, 0);
+ USBDevice *dev;
+ int i;
- ret = USB_RET_NODEV;
- for (i = 0; i < NB_PORTS && ret == USB_RET_NODEV; i++) {
+ for (i = 0; i < NB_PORTS; i++) {
UHCIPort *port = &s->ports[i];
- USBDevice *dev = port->port.dev;
-
- if (dev && dev->attached && (port->ctrl & UHCI_PORT_EN)) {
- ret = usb_handle_packet(dev, p);
+ if (!(port->ctrl & UHCI_PORT_EN)) {
+ continue;
+ }
+ dev = usb_find_device(&port->port, addr);
+ if (dev != NULL) {
+ return dev;
}
}
-
- DPRINTF("uhci: packet exit. ret %d len %zd\n", ret, p->iov.size);
- if (p->pid == USB_TOKEN_IN && ret > 0)
- dump_data(p, ret);
-
- return ret;
+ return NULL;
}
static void uhci_async_complete(USBPort *port, USBPacket *packet);
@@ -782,6 +761,8 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in
int len = 0, max_len;
uint8_t pid, isoc;
uint32_t token;
+ USBDevice *dev;
+ USBEndpoint *ep;
/* Is active ? */
if (!(td->ctrl & TD_CTRL_ACTIVE))
@@ -826,21 +807,22 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in
max_len = ((td->token >> 21) + 1) & 0x7ff;
pid = td->token & 0xff;
- usb_packet_setup(&async->packet, pid, (td->token >> 8) & 0x7f,
- (td->token >> 15) & 0xf);
+ dev = uhci_find_device(s, (td->token >> 8) & 0x7f);
+ ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf);
+ usb_packet_setup(&async->packet, pid, ep);
qemu_sglist_add(&async->sgl, td->buffer, max_len);
usb_packet_map(&async->packet, &async->sgl);
switch(pid) {
case USB_TOKEN_OUT:
case USB_TOKEN_SETUP:
- len = uhci_broadcast_packet(s, &async->packet);
+ len = usb_handle_packet(dev, &async->packet);
if (len >= 0)
len = max_len;
break;
case USB_TOKEN_IN:
- len = uhci_broadcast_packet(s, &async->packet);
+ len = usb_handle_packet(dev, &async->packet);
break;
default:
@@ -942,7 +924,7 @@ static int qhdb_insert(QhDb *db, uint32_t addr)
static void uhci_process_frame(UHCIState *s)
{
uint32_t frame_addr, link, old_td_ctrl, val, int_mask;
- uint32_t curr_qh;
+ uint32_t curr_qh, td_count = 0, bytes_count = 0;
int cnt, ret;
UHCI_TD td;
UHCI_QH qh;
@@ -967,13 +949,26 @@ static void uhci_process_frame(UHCIState *s)
if (qhdb_insert(&qhdb, link)) {
/*
* We're going in circles. Which is not a bug because
- * HCD is allowed to do that as part of the BW management.
- * In our case though it makes no sense to spin here. Sync transations
- * are already done, and async completion handler will re-process
- * the frame when something is ready.
+ * HCD is allowed to do that as part of the BW management.
+ *
+ * Stop processing here if
+ * (a) no transaction has been done since we've been
+ * here last time, or
+ * (b) we've reached the usb 1.1 bandwidth, which is
+ * 1280 bytes/frame.
*/
DPRINTF("uhci: detected loop. qh 0x%x\n", link);
- break;
+ if (td_count == 0) {
+ DPRINTF("uhci: no transaction last round, stop\n");
+ break;
+ } else if (bytes_count >= 1280) {
+ DPRINTF("uhci: bandwidth limit reached, stop\n");
+ break;
+ } else {
+ td_count = 0;
+ qhdb_reset(&qhdb);
+ qhdb_insert(&qhdb, link);
+ }
}
pci_dma_read(&s->dev, link & ~0xf, &qh, sizeof(qh));
@@ -1033,6 +1028,8 @@ static void uhci_process_frame(UHCIState *s)
link, td.link, td.ctrl, td.token, curr_qh);
link = td.link;
+ td_count++;
+ bytes_count += (td.ctrl & 0x7ff) + 1;
if (curr_qh) {
/* update QH element link */
diff --git a/hw/usb-wacom.c b/hw/usb-wacom.c
index 6504e5ef5..197e2dced 100644
--- a/hw/usb-wacom.c
+++ b/hw/usb-wacom.c
@@ -306,7 +306,7 @@ static int usb_wacom_handle_data(USBDevice *dev, USBPacket *p)
switch (p->pid) {
case USB_TOKEN_IN:
- if (p->devep == 1) {
+ if (p->ep->nr == 1) {
if (!(s->changed || s->idle))
return USB_RET_NAK;
s->changed = 0;
@@ -357,7 +357,6 @@ static void usb_wacom_class_init(ObjectClass *klass, void *data)
uc->product_desc = "QEMU PenPartner Tablet";
uc->usb_desc = &desc_wacom;
uc->init = usb_wacom_initfn;
- uc->handle_packet = usb_generic_handle_packet;
uc->handle_reset = usb_wacom_handle_reset;
uc->handle_control = usb_wacom_handle_control;
uc->handle_data = usb_wacom_handle_data;
diff --git a/hw/usb-xhci.c b/hw/usb-xhci.c
index 750531f25..008b0b571 100644
--- a/hw/usb-xhci.c
+++ b/hw/usb-xhci.c
@@ -307,7 +307,8 @@ typedef struct XHCIState XHCIState;
typedef struct XHCITransfer {
XHCIState *xhci;
USBPacket packet;
- bool running;
+ bool running_async;
+ bool running_retry;
bool cancelled;
bool complete;
bool backgrounded;
@@ -338,6 +339,7 @@ typedef struct XHCIEPContext {
unsigned int next_xfer;
unsigned int comp_xfer;
XHCITransfer transfers[TD_QUEUE];
+ XHCITransfer *retry;
bool bg_running;
bool bg_updating;
unsigned int next_bg;
@@ -420,6 +422,60 @@ typedef struct XHCIEvRingSeg {
uint32_t rsvd;
} XHCIEvRingSeg;
+#ifdef DEBUG_XHCI
+static const char *TRBType_names[] = {
+ [TRB_RESERVED] = "TRB_RESERVED",
+ [TR_NORMAL] = "TR_NORMAL",
+ [TR_SETUP] = "TR_SETUP",
+ [TR_DATA] = "TR_DATA",
+ [TR_STATUS] = "TR_STATUS",
+ [TR_ISOCH] = "TR_ISOCH",
+ [TR_LINK] = "TR_LINK",
+ [TR_EVDATA] = "TR_EVDATA",
+ [TR_NOOP] = "TR_NOOP",
+ [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT",
+ [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT",
+ [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE",
+ [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT",
+ [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT",
+ [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT",
+ [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT",
+ [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE",
+ [CR_RESET_DEVICE] = "CR_RESET_DEVICE",
+ [CR_FORCE_EVENT] = "CR_FORCE_EVENT",
+ [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW",
+ [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE",
+ [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH",
+ [CR_FORCE_HEADER] = "CR_FORCE_HEADER",
+ [CR_NOOP] = "CR_NOOP",
+ [ER_TRANSFER] = "ER_TRANSFER",
+ [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE",
+ [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE",
+ [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST",
+ [ER_DOORBELL] = "ER_DOORBELL",
+ [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER",
+ [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION",
+ [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP",
+ [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE",
+ [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION",
+ [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
+};
+
+static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
+{
+ if (index >= llen || list[index] == NULL) {
+ return "???";
+ }
+ return list[index];
+}
+
+static const char *trb_name(XHCITRB *trb)
+{
+ return lookup_name(TRB_TYPE(*trb), TRBType_names,
+ ARRAY_SIZE(TRBType_names));
+}
+#endif
+
static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
unsigned int epid);
@@ -487,8 +543,9 @@ static void xhci_write_event(XHCIState *xhci, XHCIEvent *event)
}
ev_trb.control = cpu_to_le32(ev_trb.control);
- DPRINTF("xhci_write_event(): [%d] %016"PRIx64" %08x %08x\n",
- xhci->er_ep_idx, ev_trb.parameter, ev_trb.status, ev_trb.control);
+ DPRINTF("xhci_write_event(): [%d] %016"PRIx64" %08x %08x %s\n",
+ xhci->er_ep_idx, ev_trb.parameter, ev_trb.status, ev_trb.control,
+ trb_name(&ev_trb));
addr = xhci->er_start + TRB_SIZE*xhci->er_ep_idx;
cpu_physical_memory_write(addr, (uint8_t *) &ev_trb, TRB_SIZE);
@@ -649,8 +706,9 @@ static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
le32_to_cpus(&trb->control);
DPRINTF("xhci: TRB fetched [" TARGET_FMT_plx "]: "
- "%016" PRIx64 " %08x %08x\n",
- ring->dequeue, trb->parameter, trb->status, trb->control);
+ "%016" PRIx64 " %08x %08x %s\n",
+ ring->dequeue, trb->parameter, trb->status, trb->control,
+ trb_name(trb));
if ((trb->control & TRB_C) != ring->ccs) {
return 0;
@@ -859,12 +917,17 @@ static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
xferi = epctx->next_xfer;
for (i = 0; i < TD_QUEUE; i++) {
XHCITransfer *t = &epctx->transfers[xferi];
- if (t->running) {
+ if (t->running_async) {
+ usb_cancel_packet(&t->packet);
+ t->running_async = 0;
t->cancelled = 1;
- /* libusb_cancel_transfer(t->usbxfer) */
DPRINTF("xhci: cancelling transfer %d, waiting for it to complete...\n", i);
killed++;
}
+ if (t->running_retry) {
+ t->running_retry = 0;
+ epctx->retry = NULL;
+ }
if (t->backgrounded) {
t->backgrounded = 0;
}
@@ -885,9 +948,10 @@ static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
xferi = epctx->next_bg;
for (i = 0; i < BG_XFERS; i++) {
XHCITransfer *t = &epctx->bg_transfers[xferi];
- if (t->running) {
+ if (t->running_async) {
+ usb_cancel_packet(&t->packet);
+ t->running_async = 0;
t->cancelled = 1;
- /* libusb_cancel_transfer(t->usbxfer); */
DPRINTF("xhci: cancelling bg transfer %d, waiting for it to complete...\n", i);
killed++;
}
@@ -1336,27 +1400,37 @@ static int xhci_hle_control(XHCIState *xhci, XHCITransfer *xfer,
}
#endif
-static int xhci_setup_packet(XHCITransfer *xfer, XHCIPort *port, int ep)
+static int xhci_setup_packet(XHCITransfer *xfer, USBDevice *dev)
{
- usb_packet_setup(&xfer->packet,
- xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT,
- xfer->xhci->slots[xfer->slotid-1].devaddr,
- ep & 0x7f);
+ USBEndpoint *ep;
+ int dir;
+
+ dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT;
+ ep = usb_ep_get(dev, dir, xfer->epid >> 1);
+ usb_packet_setup(&xfer->packet, dir, ep);
usb_packet_addbuf(&xfer->packet, xfer->data, xfer->data_length);
DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
- xfer->packet.pid, xfer->packet.devaddr, xfer->packet.devep);
+ xfer->packet.pid, dev->addr, ep->nr);
return 0;
}
static int xhci_complete_packet(XHCITransfer *xfer, int ret)
{
if (ret == USB_RET_ASYNC) {
- xfer->running = 1;
+ xfer->running_async = 1;
+ xfer->running_retry = 0;
+ xfer->complete = 0;
+ xfer->cancelled = 0;
+ return 0;
+ } else if (ret == USB_RET_NAK) {
+ xfer->running_async = 0;
+ xfer->running_retry = 1;
xfer->complete = 0;
xfer->cancelled = 0;
return 0;
} else {
- xfer->running = 0;
+ xfer->running_async = 0;
+ xfer->running_retry = 0;
xfer->complete = 1;
}
@@ -1385,6 +1459,14 @@ static int xhci_complete_packet(XHCITransfer *xfer, int ret)
return 0;
}
+static USBDevice *xhci_find_device(XHCIPort *port, uint8_t addr)
+{
+ if (!(port->portsc & PORTSC_PED)) {
+ return NULL;
+ }
+ return usb_find_device(&port->port, addr);
+}
+
static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
{
XHCITRB *trb_setup, *trb_status;
@@ -1444,7 +1526,7 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
xfer->data_length = wLength;
port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1];
- dev = port->port.dev;
+ dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr);
if (!dev) {
fprintf(stderr, "xhci: slot %d port %d has no device\n", xfer->slotid,
xhci->slots[xfer->slotid-1].port);
@@ -1454,7 +1536,7 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
xfer->in_xfer = bmRequestType & USB_DIR_IN;
xfer->iso_xfer = false;
- xhci_setup_packet(xfer, port, 0);
+ xhci_setup_packet(xfer, dev);
if (!xfer->in_xfer) {
xhci_xfer_data(xfer, xfer->data, wLength, 0, 1, 0);
}
@@ -1463,7 +1545,7 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
wValue, wIndex, wLength, xfer->data);
xhci_complete_packet(xfer, ret);
- if (!xfer->running) {
+ if (!xfer->running_async && !xfer->running_retry) {
xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
}
return 0;
@@ -1476,12 +1558,8 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx
int ret;
DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
- uint8_t ep = xfer->epid>>1;
xfer->in_xfer = epctx->type>>2;
- if (xfer->in_xfer) {
- ep |= 0x80;
- }
if (xfer->data && xfer->data_alloced < xfer->data_length) {
xfer->data_alloced = 0;
@@ -1502,14 +1580,14 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx
}
port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1];
- dev = port->port.dev;
+ dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr);
if (!dev) {
fprintf(stderr, "xhci: slot %d port %d has no device\n", xfer->slotid,
xhci->slots[xfer->slotid-1].port);
return -1;
}
- xhci_setup_packet(xfer, port, ep);
+ xhci_setup_packet(xfer, dev);
switch(epctx->type) {
case ET_INTR_OUT:
@@ -1522,8 +1600,9 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx
FIXME();
break;
default:
- fprintf(stderr, "xhci: unknown or unhandled EP type %d (ep %02x)\n",
- epctx->type, ep);
+ fprintf(stderr, "xhci: unknown or unhandled EP "
+ "(type %d, in %d, ep %02x)\n",
+ epctx->type, xfer->in_xfer, xfer->epid);
return -1;
}
@@ -1533,7 +1612,7 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx
ret = usb_handle_packet(dev, &xfer->packet);
xhci_complete_packet(xfer, ret);
- if (!xfer->running) {
+ if (!xfer->running_async && !xfer->running_retry) {
xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
}
return 0;
@@ -1604,6 +1683,25 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
return;
}
+ if (epctx->retry) {
+ /* retry nak'ed transfer */
+ XHCITransfer *xfer = epctx->retry;
+ int result;
+
+ DPRINTF("xhci: retry nack'ed transfer ...\n");
+ assert(xfer->running_retry);
+ xhci_setup_packet(xfer, xfer->packet.ep->dev);
+ result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
+ if (result == USB_RET_NAK) {
+ DPRINTF("xhci: ... xfer still nacked\n");
+ return;
+ }
+ DPRINTF("xhci: ... result %d\n", result);
+ xhci_complete_packet(xfer, result);
+ assert(!xfer->running_retry);
+ epctx->retry = NULL;
+ }
+
if (epctx->state == EP_HALTED) {
DPRINTF("xhci: ep halted, not running schedule\n");
return;
@@ -1613,9 +1711,13 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
while (1) {
XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
- if (xfer->running || xfer->backgrounded) {
- DPRINTF("xhci: ep is busy\n");
+ if (xfer->running_async || xfer->running_retry || xfer->backgrounded) {
+ DPRINTF("xhci: ep is busy (#%d,%d,%d,%d)\n",
+ epctx->next_xfer, xfer->running_async,
+ xfer->running_retry, xfer->backgrounded);
break;
+ } else {
+ DPRINTF("xhci: ep: using #%d\n", epctx->next_xfer);
}
length = xhci_ring_chain_length(xhci, &epctx->ring);
if (length < 0) {
@@ -1658,10 +1760,19 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
}
}
+ if (epctx->state == EP_HALTED) {
+ DPRINTF("xhci: ep halted, stopping schedule\n");
+ break;
+ }
+ if (xfer->running_retry) {
+ DPRINTF("xhci: xfer nacked, stopping schedule\n");
+ epctx->retry = xfer;
+ break;
+ }
+
/*
* Qemu usb can't handle multiple in-flight xfers.
- * Also xfers might be finished here already,
- * possibly with an error. Stop here for now.
+ * Stop here for now.
*/
break;
}
@@ -2346,9 +2457,7 @@ static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
/* write-1-to-start bits */
if (val & PORTSC_PR) {
DPRINTF("xhci: port %d reset\n", port);
- if (xhci->ports[port].port.dev) {
- usb_send_msg(xhci->ports[port].port.dev, USB_MSG_RESET);
- }
+ usb_device_reset(xhci->ports[port].port.dev);
portsc |= PORTSC_PRC | PORTSC_PED;
}
xhci->ports[port].portsc = portsc;
@@ -2633,6 +2742,26 @@ static void xhci_detach(USBPort *usbport)
xhci_update_port(xhci, port, 1);
}
+static void xhci_wakeup(USBPort *usbport)
+{
+ XHCIState *xhci = usbport->opaque;
+ XHCIPort *port = &xhci->ports[usbport->index];
+ int nr = port->port.index + 1;
+ XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, nr << 24};
+ uint32_t pls;
+
+ pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK;
+ if (pls != 3) {
+ return;
+ }
+ port->portsc |= 0xf << PORTSC_PLS_SHIFT;
+ if (port->portsc & PORTSC_PLC) {
+ return;
+ }
+ port->portsc |= PORTSC_PLC;
+ xhci_event(xhci, &ev);
+}
+
static void xhci_complete(USBPort *port, USBPacket *packet)
{
XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
@@ -2649,11 +2778,53 @@ static void xhci_child_detach(USBPort *port, USBDevice *child)
static USBPortOps xhci_port_ops = {
.attach = xhci_attach,
.detach = xhci_detach,
+ .wakeup = xhci_wakeup,
.complete = xhci_complete,
.child_detach = xhci_child_detach,
};
+static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev)
+{
+ XHCISlot *slot;
+ int slotid;
+
+ for (slotid = 1; slotid <= MAXSLOTS; slotid++) {
+ slot = &xhci->slots[slotid-1];
+ if (slot->devaddr == dev->addr) {
+ return slotid;
+ }
+ }
+ return 0;
+}
+
+static int xhci_find_epid(USBEndpoint *ep)
+{
+ if (ep->nr == 0) {
+ return 1;
+ }
+ if (ep->pid == USB_TOKEN_IN) {
+ return ep->nr * 2 + 1;
+ } else {
+ return ep->nr * 2;
+ }
+}
+
+static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep)
+{
+ XHCIState *xhci = container_of(bus, XHCIState, bus);
+ int slotid;
+
+ DPRINTF("%s\n", __func__);
+ slotid = xhci_find_slotid(xhci, ep->dev);
+ if (slotid == 0 || !xhci->slots[slotid-1].enabled) {
+ DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr);
+ return;
+ }
+ xhci_kick_ep(xhci, slotid, xhci_find_epid(ep));
+}
+
static USBBusOps xhci_bus_ops = {
+ .wakeup_endpoint = xhci_wakeup_endpoint,
};
static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
@@ -2667,7 +2838,10 @@ static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
for (i = 0; i < MAXPORTS; i++) {
memset(&xhci->ports[i], 0, sizeof(xhci->ports[i]));
usb_register_port(&xhci->bus, &xhci->ports[i].port, xhci, i,
- &xhci_port_ops, USB_SPEED_MASK_HIGH);
+ &xhci_port_ops,
+ USB_SPEED_MASK_LOW |
+ USB_SPEED_MASK_FULL |
+ USB_SPEED_MASK_HIGH);
}
for (i = 0; i < MAXSLOTS; i++) {
xhci->slots[i].enabled = 0;
diff --git a/hw/usb.c b/hw/usb.c
index c3ff5b709..e5b8f335d 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -35,7 +35,8 @@ void usb_attach(USBPort *port)
assert(dev->attached);
assert(dev->state == USB_STATE_NOTATTACHED);
port->ops->attach(port);
- usb_send_msg(dev, USB_MSG_ATTACH);
+ dev->state = USB_STATE_ATTACHED;
+ usb_device_handle_attach(dev);
}
void usb_detach(USBPort *port)
@@ -45,24 +46,41 @@ void usb_detach(USBPort *port)
assert(dev != NULL);
assert(dev->state != USB_STATE_NOTATTACHED);
port->ops->detach(port);
- usb_send_msg(dev, USB_MSG_DETACH);
+ dev->state = USB_STATE_NOTATTACHED;
}
-void usb_reset(USBPort *port)
+void usb_port_reset(USBPort *port)
{
USBDevice *dev = port->dev;
assert(dev != NULL);
usb_detach(port);
usb_attach(port);
- usb_send_msg(dev, USB_MSG_RESET);
+ usb_device_reset(dev);
}
-void usb_wakeup(USBDevice *dev)
+void usb_device_reset(USBDevice *dev)
{
+ if (dev == NULL || !dev->attached) {
+ return;
+ }
+ dev->remote_wakeup = 0;
+ dev->addr = 0;
+ dev->state = USB_STATE_DEFAULT;
+ usb_device_handle_reset(dev);
+}
+
+void usb_wakeup(USBEndpoint *ep)
+{
+ USBDevice *dev = ep->dev;
+ USBBus *bus = usb_bus_from_device(dev);
+
if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) {
dev->port->ops->wakeup(dev->port);
}
+ if (bus->ops->wakeup_endpoint) {
+ bus->ops->wakeup_endpoint(bus, ep);
+ }
}
/**********************/
@@ -128,8 +146,7 @@ static int do_token_in(USBDevice *s, USBPacket *p)
int request, value, index;
int ret = 0;
- if (p->devep != 0)
- return usb_device_handle_data(s, p);
+ assert(p->ep->nr == 0);
request = (s->setup_buf[0] << 8) | s->setup_buf[1];
value = (s->setup_buf[3] << 8) | s->setup_buf[2];
@@ -175,8 +192,7 @@ static int do_token_in(USBDevice *s, USBPacket *p)
static int do_token_out(USBDevice *s, USBPacket *p)
{
- if (p->devep != 0)
- return usb_device_handle_data(s, p);
+ assert(p->ep->nr == 0);
switch(s->setup_state) {
case SETUP_STATE_ACK:
@@ -209,51 +225,6 @@ static int do_token_out(USBDevice *s, USBPacket *p)
}
}
-/*
- * Generic packet handler.
- * Called by the HC (host controller).
- *
- * Returns length of the transaction or one of the USB_RET_XXX codes.
- */
-int usb_generic_handle_packet(USBDevice *s, USBPacket *p)
-{
- switch(p->pid) {
- case USB_MSG_ATTACH:
- s->state = USB_STATE_ATTACHED;
- usb_device_handle_attach(s);
- return 0;
-
- case USB_MSG_DETACH:
- s->state = USB_STATE_NOTATTACHED;
- return 0;
-
- case USB_MSG_RESET:
- s->remote_wakeup = 0;
- s->addr = 0;
- s->state = USB_STATE_DEFAULT;
- usb_device_handle_reset(s);
- return 0;
- }
-
- /* Rest of the PIDs must match our address */
- if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr)
- return USB_RET_NODEV;
-
- switch (p->pid) {
- case USB_TOKEN_SETUP:
- return do_token_setup(s, p);
-
- case USB_TOKEN_IN:
- return do_token_in(s, p);
-
- case USB_TOKEN_OUT:
- return do_token_out(s, p);
-
- default:
- return USB_RET_STALL;
- }
-}
-
/* ctrl complete function for devices which use usb_generic_handle_packet and
may return USB_RET_ASYNC from their handle_control callback. Device code
which does this *must* call this function instead of the normal
@@ -301,17 +272,39 @@ int set_usb_string(uint8_t *buf, const char *str)
return q - buf;
}
-/* Send an internal message to a USB device. */
-void usb_send_msg(USBDevice *dev, int msg)
+USBDevice *usb_find_device(USBPort *port, uint8_t addr)
{
- USBPacket p;
- int ret;
+ USBDevice *dev = port->dev;
- memset(&p, 0, sizeof(p));
- p.pid = msg;
- ret = usb_handle_packet(dev, &p);
- /* This _must_ be synchronous */
- assert(ret != USB_RET_ASYNC);
+ if (dev == NULL || !dev->attached || dev->state != USB_STATE_DEFAULT) {
+ return NULL;
+ }
+ if (dev->addr == addr) {
+ return dev;
+ }
+ return usb_device_find_device(dev, addr);
+}
+
+static int usb_process_one(USBPacket *p)
+{
+ USBDevice *dev = p->ep->dev;
+
+ if (p->ep->nr == 0) {
+ /* control pipe */
+ switch (p->pid) {
+ case USB_TOKEN_SETUP:
+ return do_token_setup(dev, p);
+ case USB_TOKEN_IN:
+ return do_token_in(dev, p);
+ case USB_TOKEN_OUT:
+ return do_token_out(dev, p);
+ default:
+ return USB_RET_STALL;
+ }
+ } else {
+ /* data pipe */
+ return usb_device_handle_data(dev, p);
+ }
}
/* Hand over a packet to a device for processing. Return value
@@ -321,17 +314,27 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
{
int ret;
- assert(p->owner == NULL);
- ret = usb_device_handle_packet(dev, p);
- if (ret == USB_RET_ASYNC) {
- if (p->owner == NULL) {
- p->owner = usb_ep_get(dev, p->pid, p->devep);
+ if (dev == NULL) {
+ return USB_RET_NODEV;
+ }
+ assert(dev == p->ep->dev);
+ assert(dev->state == USB_STATE_DEFAULT);
+ assert(p->state == USB_PACKET_SETUP);
+ assert(p->ep != NULL);
+
+ if (QTAILQ_EMPTY(&p->ep->queue)) {
+ ret = usb_process_one(p);
+ if (ret == USB_RET_ASYNC) {
+ usb_packet_set_state(p, USB_PACKET_ASYNC);
+ QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue);
} else {
- /* We'll end up here when usb_handle_packet is called
- * recursively due to a hub being in the chain. Nothing
- * to do. Leave p->owner pointing to the device, not the
- * hub. */;
+ p->result = ret;
+ usb_packet_set_state(p, USB_PACKET_COMPLETE);
}
+ } else {
+ ret = USB_RET_ASYNC;
+ usb_packet_set_state(p, USB_PACKET_QUEUED);
+ QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue);
}
return ret;
}
@@ -341,10 +344,28 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
handle_packet. */
void usb_packet_complete(USBDevice *dev, USBPacket *p)
{
- /* Note: p->owner != dev is possible in case dev is a hub */
- assert(p->owner != NULL);
- p->owner = NULL;
+ USBEndpoint *ep = p->ep;
+ int ret;
+
+ assert(p->state == USB_PACKET_ASYNC);
+ assert(QTAILQ_FIRST(&ep->queue) == p);
+ usb_packet_set_state(p, USB_PACKET_COMPLETE);
+ QTAILQ_REMOVE(&ep->queue, p, queue);
dev->port->ops->complete(dev->port, p);
+
+ while (!QTAILQ_EMPTY(&ep->queue)) {
+ p = QTAILQ_FIRST(&ep->queue);
+ assert(p->state == USB_PACKET_QUEUED);
+ ret = usb_process_one(p);
+ if (ret == USB_RET_ASYNC) {
+ usb_packet_set_state(p, USB_PACKET_ASYNC);
+ break;
+ }
+ p->result = ret;
+ usb_packet_set_state(p, USB_PACKET_COMPLETE);
+ QTAILQ_REMOVE(&ep->queue, p, queue);
+ dev->port->ops->complete(dev->port, p);
+ }
}
/* Cancel an active packet. The packed must have been deferred by
@@ -352,9 +373,13 @@ void usb_packet_complete(USBDevice *dev, USBPacket *p)
completed. */
void usb_cancel_packet(USBPacket * p)
{
- assert(p->owner != NULL);
- usb_device_cancel_packet(p->owner->dev, p);
- p->owner = NULL;
+ bool callback = (p->state == USB_PACKET_ASYNC);
+ assert(usb_packet_is_inflight(p));
+ usb_packet_set_state(p, USB_PACKET_CANCELED);
+ QTAILQ_REMOVE(&p->ep->queue, p, queue);
+ if (callback) {
+ usb_device_cancel_packet(p->ep->dev, p);
+ }
}
@@ -363,13 +388,50 @@ void usb_packet_init(USBPacket *p)
qemu_iovec_init(&p->iov, 1);
}
-void usb_packet_setup(USBPacket *p, int pid, uint8_t addr, uint8_t ep)
+void usb_packet_set_state(USBPacket *p, USBPacketState state)
+{
+#ifdef DEBUG
+ static const char *name[] = {
+ [USB_PACKET_UNDEFINED] = "undef",
+ [USB_PACKET_SETUP] = "setup",
+ [USB_PACKET_QUEUED] = "queued",
+ [USB_PACKET_ASYNC] = "async",
+ [USB_PACKET_COMPLETE] = "complete",
+ [USB_PACKET_CANCELED] = "canceled",
+ };
+ static const char *rets[] = {
+ [-USB_RET_NODEV] = "NODEV",
+ [-USB_RET_NAK] = "NAK",
+ [-USB_RET_STALL] = "STALL",
+ [-USB_RET_BABBLE] = "BABBLE",
+ [-USB_RET_ASYNC] = "ASYNC",
+ };
+ char add[16] = "";
+
+ if (state == USB_PACKET_COMPLETE) {
+ if (p->result < 0) {
+ snprintf(add, sizeof(add), " - %s", rets[-p->result]);
+ } else {
+ snprintf(add, sizeof(add), " - %d", p->result);
+ }
+ }
+ fprintf(stderr, "bus %s, port %s, dev %d, ep %d: packet %p: %s -> %s%s\n",
+ p->ep->dev->qdev.parent_bus->name,
+ p->ep->dev->port->path,
+ p->ep->dev->addr, p->ep->nr,
+ p, name[p->state], name[state], add);
+#endif
+ p->state = state;
+}
+
+void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep)
{
+ assert(!usb_packet_is_inflight(p));
p->pid = pid;
- p->devaddr = addr;
- p->devep = ep;
+ p->ep = ep;
p->result = 0;
qemu_iovec_reset(&p->iov);
+ usb_packet_set_state(p, USB_PACKET_SETUP);
}
void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len)
@@ -408,6 +470,7 @@ void usb_packet_skip(USBPacket *p, size_t bytes)
void usb_packet_cleanup(USBPacket *p)
{
+ assert(!usb_packet_is_inflight(p));
qemu_iovec_destroy(&p->iov);
}
@@ -415,16 +478,24 @@ void usb_ep_init(USBDevice *dev)
{
int ep;
+ dev->ep_ctl.nr = 0;
dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL;
dev->ep_ctl.ifnum = 0;
dev->ep_ctl.dev = dev;
+ QTAILQ_INIT(&dev->ep_ctl.queue);
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_out[ep].type = USB_ENDPOINT_XFER_INVALID;
dev->ep_in[ep].ifnum = 0;
dev->ep_out[ep].ifnum = 0;
dev->ep_in[ep].dev = dev;
dev->ep_out[ep].dev = dev;
+ QTAILQ_INIT(&dev->ep_in[ep].queue);
+ QTAILQ_INIT(&dev->ep_out[ep].queue);
}
}
@@ -472,7 +543,12 @@ void usb_ep_dump(USBDevice *dev)
struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep)
{
- struct USBEndpoint *eps = pid == USB_TOKEN_IN ? dev->ep_in : dev->ep_out;
+ struct USBEndpoint *eps;
+
+ if (dev == NULL) {
+ return NULL;
+ }
+ eps = (pid == USB_TOKEN_IN) ? dev->ep_in : dev->ep_out;
if (ep == 0) {
return &dev->ep_ctl;
}
diff --git a/hw/usb.h b/hw/usb.h
index 13e7c8ea7..4470ea890 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -39,11 +39,6 @@
#define USB_TOKEN_IN 0x69 /* device -> host */
#define USB_TOKEN_OUT 0xe1 /* host -> device */
-/* specific usb messages, also sent in the 'pid' parameter */
-#define USB_MSG_ATTACH 0x100
-#define USB_MSG_DETACH 0x101
-#define USB_MSG_RESET 0x102
-
#define USB_RET_NODEV (-1)
#define USB_RET_NAK (-2)
#define USB_RET_STALL (-3)
@@ -176,10 +171,13 @@ struct USBDescString {
#define USB_MAX_INTERFACES 16
struct USBEndpoint {
+ uint8_t nr;
+ uint8_t pid;
uint8_t type;
uint8_t ifnum;
int max_packet_size;
USBDevice *dev;
+ QTAILQ_HEAD(, USBPacket) queue;
};
/* definition of a USB device */
@@ -234,13 +232,10 @@ typedef struct USBDeviceClass {
int (*init)(USBDevice *dev);
/*
- * Process USB packet.
- * Called by the HC (Host Controller).
- *
- * Returns length of the transaction
- * or one of the USB_RET_XXX codes.
+ * Walk (enabled) downstream ports, check for a matching device.
+ * Only hubs implement this.
*/
- int (*handle_packet)(USBDevice *dev, USBPacket *p);
+ USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
/*
* Called when a packet is canceled.
@@ -297,8 +292,7 @@ typedef struct USBPortOps {
void (*wakeup)(USBPort *port);
/*
* Note that port->dev will be different then the device from which
- * the packet originated when a hub is involved, if you want the orginating
- * device use p->owner
+ * the packet originated when a hub is involved.
*/
void (*complete)(USBPort *port, USBPacket *p);
} USBPortOps;
@@ -316,20 +310,30 @@ struct USBPort {
typedef void USBCallback(USBPacket * packet, void *opaque);
+typedef enum USBPacketState {
+ USB_PACKET_UNDEFINED = 0,
+ USB_PACKET_SETUP,
+ USB_PACKET_QUEUED,
+ USB_PACKET_ASYNC,
+ USB_PACKET_COMPLETE,
+ USB_PACKET_CANCELED,
+} USBPacketState;
+
/* Structure used to hold information about an active USB packet. */
struct USBPacket {
/* Data fields for use by the driver. */
int pid;
- uint8_t devaddr;
- uint8_t devep;
+ USBEndpoint *ep;
QEMUIOVector iov;
int result; /* transfer length or USB_RET_* status code */
/* Internal use by the USB layer. */
- USBEndpoint *owner;
+ USBPacketState state;
+ QTAILQ_ENTRY(USBPacket) queue;
};
void usb_packet_init(USBPacket *p);
-void usb_packet_setup(USBPacket *p, int pid, uint8_t addr, uint8_t ep);
+void usb_packet_set_state(USBPacket *p, USBPacketState state);
+void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep);
void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
void usb_packet_unmap(USBPacket *p);
@@ -337,6 +341,14 @@ void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
void usb_packet_skip(USBPacket *p, size_t bytes);
void usb_packet_cleanup(USBPacket *p);
+static inline bool usb_packet_is_inflight(USBPacket *p)
+{
+ return (p->state == USB_PACKET_QUEUED ||
+ p->state == USB_PACKET_ASYNC);
+}
+
+USBDevice *usb_find_device(USBPort *port, uint8_t addr);
+
int usb_handle_packet(USBDevice *dev, USBPacket *p);
void usb_packet_complete(USBDevice *dev, USBPacket *p);
void usb_cancel_packet(USBPacket * p);
@@ -354,12 +366,11 @@ int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
void usb_attach(USBPort *port);
void usb_detach(USBPort *port);
-void usb_reset(USBPort *port);
-void usb_wakeup(USBDevice *dev);
-int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
+void usb_port_reset(USBPort *port);
+void usb_device_reset(USBDevice *dev);
+void usb_wakeup(USBEndpoint *ep);
void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
int set_usb_string(uint8_t *buf, const char *str);
-void usb_send_msg(USBDevice *dev, int msg);
/* usb-linux.c */
USBDevice *usb_host_device_open(const char *devname);
@@ -414,6 +425,7 @@ struct USBBus {
struct USBBusOps {
int (*register_companion)(USBBus *bus, USBPort *ports[],
uint32_t portcount, uint32_t firstport);
+ void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep);
};
void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host);
@@ -451,7 +463,7 @@ extern const VMStateDescription vmstate_usb_device;
.offset = vmstate_offset_value(_state, _field, USBDevice), \
}
-int usb_device_handle_packet(USBDevice *dev, USBPacket *p);
+USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);