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# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1268294912 0
# Node ID 594142f8c0bbc8dcc47074f5a4a679a14df9117c
# Parent 132ac04cbdba207a36ebcc790ad231b108126939
VTd: Ignore HPET/IOAPIC decls in DRHD scopes

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
---
xen/drivers/passthrough/vtd/dmar.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)

diff -r 132ac04cbdba -r 594142f8c0bb xen/drivers/passthrough/vtd/dmar.c
--- a/xen/drivers/passthrough/vtd/dmar.c Tue Mar 09 18:18:19 2010 +0000
+++ b/xen/drivers/passthrough/vtd/dmar.c Thu Mar 11 08:08:32 2010 +0000
@@ -407,9 +407,15 @@ acpi_parse_one_drhd(struct acpi_dmar_ent
{
u8 b, d, f;
int i, invalid_cnt = 0;
-
- for ( i = 0; i < dmaru->scope.devices_cnt; i++ )
- {
+ void *p;
+
+ for ( i = 0, p = dev_scope_start; i < dmaru->scope.devices_cnt;
+ i++, p += ((struct acpi_dev_scope *)p)->length )
+ {
+ if ( ((struct acpi_dev_scope *)p)->dev_type == ACPI_DEV_IOAPIC ||
+ ((struct acpi_dev_scope *)p)->dev_type == ACPI_DEV_MSI_HPET )
+ continue;
+
b = PCI_BUS(dmaru->scope.devices[i]);
d = PCI_SLOT(dmaru->scope.devices[i]);
f = PCI_FUNC(dmaru->scope.devices[i]);

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