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authorGerd Hoffmann <kraxel@redhat.com>2012-01-17 11:21:06 +0100
committerGerd Hoffmann <kraxel@redhat.com>2012-02-10 12:16:30 +0100
commitf10de44e7eb8304406d42a2a7242887c08282c4a (patch)
tree0126215cfd0ecb2b603ee63b525e69b0ff2a85d7 /hw
parent606352b735eb98ce0b1f3786e0b4b313bd2e1a35 (diff)
xhci: add trb type name lookup support.
When logging TRBs add a the type name for more readable debug output. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb-xhci.c64
1 files changed, 60 insertions, 4 deletions
diff --git a/hw/usb-xhci.c b/hw/usb-xhci.c
index 27bdc2b5e..5e618f0db 100644
--- a/hw/usb-xhci.c
+++ b/hw/usb-xhci.c
@@ -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;