[Xen-changelog] [xen-unstable] ioemu: Fix I/O BAR mapping problem

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1218016495 -3600
# Node ID 11aaad01c5e59284a08b4f62e7bd8246673d4783
# Parent  d4dd0195379b9e29947221f1fe848bc9043cd3e4
ioemu: Fix I/O BAR mapping problem

Check BAR type indicator to avoid I/O BAR being mistaken as 64-bit =
memory BAR.

Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx>
---
 tools/ioemu/hw/pass-through.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)

diff -r d4dd0195379b -r 11aaad01c5e5 tools/ioemu/hw/pass-through.c
--- a/tools/ioemu/hw/pass-through.c     Wed Aug 06 09:46:25 2008 +0100
+++ b/tools/ioemu/hw/pass-through.c     Wed Aug 06 10:54:55 2008 +0100
@@ -1513,7 +1513,9 @@ static int pt_bar_reg_parse(
     /* check 64bit BAR */
     index = pt_bar_offset_to_index(reg->offset);
     if ((index > 0) && (index < PCI_ROM_SLOT) &&
-        (d->config[bar_64] & PCI_BASE_ADDRESS_MEM_TYPE_64))
+        ((d->config[bar_64] & (PCI_BASE_ADDRESS_SPACE |
+                               PCI_BASE_ADDRESS_MEM_TYPE_MASK)) ==
+         (PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64)))
     {
         region = &ptdev->bases[index-1];
         if (region->bar_flag != PT_BAR_FLAG_UPPER)

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