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ehci: add doorbell trace events

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-08-31 12:41:43 +02:00
parent 5c514681ab
commit 1defcbd1e8
2 changed files with 4 additions and 1 deletions
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3
hw/usb/hcd-ehci.c
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@ -1241,6 +1241,7 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
*/
s->async_stepdown = 0;
qemu_bh_schedule(s->async_bh);
trace_usb_ehci_doorbell_ring();
}
if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) !=
@ -2335,7 +2336,7 @@ static void ehci_advance_async_state(EHCIState *ehci)
if (ehci->usbcmd & USBCMD_IAAD) {
/* Remove all unseen qhs from the async qhs queue */
ehci_queues_rip_unused(ehci, async, 1);
DPRINTF("ASYNC: doorbell request acknowledged\n");
trace_usb_ehci_doorbell_ack();
ehci->usbcmd &= ~USBCMD_IAAD;
ehci_raise_irq(ehci, USBSTS_IAA);
}

2
trace-events
View File

@ -264,6 +264,8 @@ usb_ehci_queue_action(void *q, const char *action) "q %p: %s"
usb_ehci_packet_action(void *q, void *p, const char *action) "q %p p %p: %s"
usb_ehci_irq(uint32_t level, uint32_t frindex, uint32_t sts, uint32_t mask) "level %d, frindex 0x%04x, sts 0x%x, mask 0x%x"
usb_ehci_guest_bug(const char *reason) "%s"
usb_ehci_doorbell_ring(void) ""
usb_ehci_doorbell_ack(void) ""
# hw/usb/hcd-uhci.c
usb_uhci_reset(void) "=== RESET ==="