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xhci: add trb type name lookup support.

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When logging TRBs add a the type name for more readable debug output.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-01-17 11:21:06 +01:00
parent 606352b735
commit f10de44e7e
1 changed files with 60 additions and 4 deletions
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64
hw/usb-xhci.c
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@ -420,6 +420,60 @@ 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 +541,9 @@ 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 +704,9 @@ 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;