# HG changeset patch
# User Keir Fraser <keir@xxxxxxxxxxxxx>
# Date 1194427276 0
# Node ID 11dcbf74edf23adc3baca6330408a1f85de8094d
# Parent b544448502a40d510d3ee678c85e7db6b9f9474c
HVM device passthru: Correct PCI_EXP_DEVCTL_FLR
This patch corrects PCI_EXP_DEVCTL_FLR so that function level reset
will be really executed, and also replaces some magic numbers with
macros.
Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>
---
tools/ioemu/hw/pass-through.c | 13 +++++++------
tools/ioemu/hw/pass-through.h | 2 +-
2 files changed, 8 insertions(+), 7 deletions(-)
diff -r b544448502a4 -r 11dcbf74edf2 tools/ioemu/hw/pass-through.c
--- a/tools/ioemu/hw/pass-through.c Wed Nov 07 09:13:48 2007 +0000
+++ b/tools/ioemu/hw/pass-through.c Wed Nov 07 09:21:16 2007 +0000
@@ -127,9 +127,10 @@ void pt_iomem_map(PCIDevice *d, int i, u
if ( !first_map )
{
/* Remove old mapping */
- ret = xc_domain_memory_mapping(xc_handle, domid, old_ebase >> 12,
- assigned_device->bases[i].access.maddr >> 12,
- (e_size+0xFFF) >> 12,
+ ret = xc_domain_memory_mapping(xc_handle, domid,
+ old_ebase >> PAGE_SHIFT,
+ assigned_device->bases[i].access.maddr >> PAGE_SHIFT,
+ (e_size+PAGE_MASK) >> PAGE_SHIFT,
DPCI_REMOVE_MAPPING);
if ( ret != 0 )
{
@@ -140,9 +141,9 @@ void pt_iomem_map(PCIDevice *d, int i, u
/* Create new mapping */
ret = xc_domain_memory_mapping(xc_handle, domid,
- assigned_device->bases[i].e_physbase >> 12,
- assigned_device->bases[i].access.maddr >> 12,
- (e_size+0xFFF) >> 12,
+ assigned_device->bases[i].e_physbase >> PAGE_SHIFT,
+ assigned_device->bases[i].access.maddr >> PAGE_SHIFT,
+ (e_size+PAGE_MASK) >> PAGE_SHIFT,
DPCI_ADD_MAPPING);
if ( ret != 0 )
PT_LOG("Error: create new mapping failed!\n");
diff -r b544448502a4 -r 11dcbf74edf2 tools/ioemu/hw/pass-through.h
--- a/tools/ioemu/hw/pass-through.h Wed Nov 07 09:13:48 2007 +0000
+++ b/tools/ioemu/hw/pass-through.h Wed Nov 07 09:21:16 2007 +0000
@@ -40,7 +40,7 @@
/* Misc PCI constants that should be moved to a separate library :) */
#define PCI_CONFIG_SIZE (256)
#define PCI_EXP_DEVCAP_FLR (1 << 28)
-#define PCI_EXP_DEVCTL_FLR (0x1b)
+#define PCI_EXP_DEVCTL_FLR (1 << 15)
#define PCI_BAR_ENTRIES (6)
struct pt_region {
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