From 7acd279f835e9f3b82e98df53b8ff97e2d922bb0 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 11 May 2012 13:25:09 +0200
Subject: [PATCH] xhci: trace: irq + events

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/usb/hcd-xhci.c | 12 ++++--------
 trace-events      |  3 +++
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 43875aabf9..689088866c 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -422,7 +422,6 @@ typedef struct XHCIEvRingSeg {
     uint32_t rsvd;
 } XHCIEvRingSeg;
 
-#ifdef DEBUG_XHCI
 static const char *TRBType_names[] = {
     [TRB_RESERVED]                     = "TRB_RESERVED",
     [TR_NORMAL]                        = "TR_NORMAL",
@@ -474,7 +473,6 @@ 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);
@@ -506,14 +504,13 @@ static void xhci_irq_update(XHCIState *xhci)
         level = 1;
     }
 
-    DPRINTF("xhci_irq_update(): %d\n", level);
-
     if (xhci->msi && msi_enabled(&xhci->pci_dev)) {
         if (level) {
-            DPRINTF("xhci_irq_update(): MSI signal\n");
+            trace_usb_xhci_irq_msi(0);
             msi_notify(&xhci->pci_dev, 0);
         }
     } else {
+        trace_usb_xhci_irq_intx(level);
         qemu_set_irq(xhci->irq, level);
     }
 }
@@ -543,9 +540,8 @@ 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 %s\n",
-            xhci->er_ep_idx, ev_trb.parameter, ev_trb.status, ev_trb.control,
-            trb_name(&ev_trb));
+    trace_usb_xhci_queue_event(xhci->er_ep_idx, trb_name(&ev_trb),
+                               ev_trb.parameter, ev_trb.status, ev_trb.control);
 
     addr = xhci->er_start + TRB_SIZE*xhci->er_ep_idx;
     pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE);
diff --git a/trace-events b/trace-events
index 1b2db05582..974e5a359d 100644
--- a/trace-events
+++ b/trace-events
@@ -302,6 +302,9 @@ usb_xhci_oper_write(uint32_t off, uint32_t val) "off 0x%04x, val 0x%08x"
 usb_xhci_port_write(uint32_t port, uint32_t off, uint32_t val) "port %d, off 0x%04x, val 0x%08x"
 usb_xhci_runtime_write(uint32_t off, uint32_t val) "off 0x%04x, val 0x%08x"
 usb_xhci_doorbell_write(uint32_t off, uint32_t val) "off 0x%04x, val 0x%08x"
+usb_xhci_irq_intx(uint32_t level) "level %d"
+usb_xhci_irq_msi(uint32_t nr) "nr %d"
+usb_xhci_queue_event(uint32_t idx, const char *name, uint64_t param, uint32_t status, uint32_t control) "idx %d, %s, p %016" PRIx64 ", s %08x, c 0x%08x"
 
 # hw/usb/desc.c
 usb_desc_device(int addr, int len, int ret) "dev %d query device, len %d, ret %d"