qemu/0623-xhci-pick-target-interrupter.patch
Cole Robinson 9290838132 Fix boot hang if console is not connected (bz #894451)
Fix segfault with zero length virtio-scsi disk (bz #847549)
2013-02-02 15:47:37 -05:00

91 lines
3.2 KiB
Diff

From ebb89c9a420f2aa87796f377992ac403adcab309 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 31 Aug 2012 15:30:51 +0200
Subject: [PATCH] xhci: pick target interrupter
Pick the correct interrupter when queuing an event.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/usb/hcd-xhci.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index df2ea22..9667c0d 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -264,6 +264,10 @@ typedef enum TRBCCode {
#define TRB_LK_TC (1<<1)
+#define TRB_INTR_SHIFT 22
+#define TRB_INTR_MASK 0x3ff
+#define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK)
+
#define EP_TYPE_MASK 0x7
#define EP_TYPE_SHIFT 3
@@ -806,10 +810,16 @@ static void xhci_events_update(XHCIState *xhci, int v)
static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
{
- XHCIInterrupter *intr = &xhci->intr[v];
+ XHCIInterrupter *intr;
dma_addr_t erdp;
unsigned int dp_idx;
+ if (v >= MAXINTRS) {
+ DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS);
+ return;
+ }
+ intr = &xhci->intr[v];
+
if (intr->er_full) {
DPRINTF("xhci_event(): ER full, queueing\n");
if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
@@ -1377,7 +1387,7 @@ static void xhci_xfer_report(XHCITransfer *xfer)
DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length);
edtla = 0;
}
- xhci_event(xhci, &event, 0 /* FIXME */);
+ xhci_event(xhci, &event, TRB_INTR(*trb));
reported = 1;
if (xfer->status != CC_SUCCESS) {
return;
@@ -2253,7 +2263,7 @@ static void xhci_process_commands(XHCIState *xhci)
break;
}
event.slotid = slotid;
- xhci_event(xhci, &event, 0 /* FIXME */);
+ xhci_event(xhci, &event, 0);
}
}
@@ -2283,7 +2293,7 @@ static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach)
port->portsc |= PORTSC_CSC;
XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
port->portnr << 24};
- xhci_event(xhci, &ev, 0 /* FIXME */);
+ xhci_event(xhci, &ev, 0);
DPRINTF("xhci: port change event for port %d\n", port->portnr);
}
}
@@ -2562,7 +2572,7 @@ static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) {
XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED};
xhci->crcr_low &= ~CRCR_CRR;
- xhci_event(xhci, &event, 0 /* FIXME */);
+ xhci_event(xhci, &event, 0);
DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low);
} else {
dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val);
@@ -2807,7 +2817,7 @@ static void xhci_wakeup(USBPort *usbport)
return;
}
port->portsc |= PORTSC_PLC;
- xhci_event(xhci, &ev, 0 /* FIXME */);
+ xhci_event(xhci, &ev, 0);
}
static void xhci_complete(USBPort *port, USBPacket *packet)