From: Jean Guyader <jean.guyader@eu.citrix.com>
Date: Fri, 30 Jan 2009 19:07:28 +0000 (+0000)
Subject: Fix the MFN we map for the opregion.
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=5aaf55abe32bb286e7436590df87cddbe4b24987;p=xenclient%2Fioemu.git

Fix the MFN we map for the opregion.
---

diff --git a/hw/pass-through.c b/hw/pass-through.c
index ec658676..0b5f1506 100644
--- a/hw/pass-through.c
+++ b/hw/pass-through.c
@@ -3062,7 +3062,7 @@ struct pt_dev * register_real_device(PCIBus *e_bus,
                                        DPCI_ADD_MAPPING);
         if ( vendor_id == 0x8086 )
 		{
-			opregion = pt_pci_host_read_long(0, 2, 0, 0xfc);
+			opregion = pt_pci_host_read_long(0, 2, 0, 0xfc) >> XC_PAGE_SHIFT;
 			PT_LOG("map opregion 0x%x\n", opregion);
             rc |= xc_domain_memory_mapping(xc_handle, domid, 0x7d5ae, opregion, 2,
                                            DPCI_ADD_MAPPING);
@@ -3146,7 +3146,7 @@ int unregister_real_device(int php_slot)
                                         DPCI_REMOVE_MAPPING);
 		if ( vendor_id == 0x8086 )
 		{
-			opregion = pt_pci_host_read_long(0, 2, 0, 0xfc);
+			opregion = pt_pci_host_read_long(0, 2, 0, 0xfc) >> XC_PAGE_SHIFT;
 			rc |= xc_domain_memory_mapping(xc_handle, domid, 0x7d5ae, opregion, 2,
 										   DPCI_REMOVE_MAPPING);
 		}