Skip to contentSkip to conversation

Enable PCI passthru for HVM guest

PATCH In review Wei Wang2 1 participant 1 message Nov 30, 2007

lore
Share & tools
lore

Wei Wang2

author
#0 lore raw

PATCH 4/4 Enable PCI passthru for HVM guest

4-ht1100.patch: fixup to ht1100 chipset detection

Signed-off-by Wei Wang <[email protected]>
xen/arch/x86/hvm/svm/amd_iommu/Makefile +1 -0
diff -r 413b6ca4bd5e xen/arch/x86/hvm/svm/amd_iommu/Makefile
@@ -2,3 +2,4 @@ obj-y += amd-iommu-init.o
 obj-y += amd-iommu-init.o
 obj-y += amd-iommu-map.o
 obj-y += pci-amd-iommu.o
+obj-y += ht1100.o
xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c +4 -0
diff -r 413b6ca4bd5e xen/arch/x86/hvm/svm/amd_iommu/amd-iommu-detect.c
@@ -224,6 +224,10 @@ int __init scan_for_iommu(iommu_detect_c
 {
     int bus, dev, error = 0;
 
+#if ENABLE_HT1100
+    ht1100_fixup();
+#endif
+
     for ( bus = 0; bus < PCI_MAX_BUS_COUNT && !error; ++bus )
     {
         for ( dev = 0; dev < PCI_MAX_DEV_COUNT && !error; ++dev )
xen/include/asm-x86/hvm/svm/amd-iommu-proto.h +4 -0
diff -r 413b6ca4bd5e xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
@@ -80,6 +80,10 @@ void flush_command_buffer(struct amd_iom
 /* find iommu for bdf */
 struct amd_iommu *find_iommu_for_device(int bus, int devfn);
 
+#if ENABLE_HT1100
+void __init ht1100_fixup(void);
+#endif
+
 static inline u32 get_field_from_reg_u32(u32 reg_value, u32 mask, u32 shift)
 {
     u32 field;
xen/arch/x86/hvm/svm/amd_iommu/ht1100.c new file +167 -0

167 lines not on this page · raw message

_______________________________________________
Xen-devel mailing list
[email protected]
http://lists.xensource.com/xen-devel