On 2014/6/25 15:04, Michael S. Tsirkin wrote:
On Wed, Jun 25, 2014 at 10:17:19AM +0800, Tiejun Chen wrote:
Some registers of Intel IGD are mapped in host bridge, so it needs to
[snip]
static int is_vga_passthrough(XenHostPCIDevice *dev)
{
@@ -291,3 +292,158 @@ static int create_pseudo_pc
On 2014/6/26 14:04, Michael S. Tsirkin wrote:
On Thu, Jun 26, 2014 at 01:34:14PM +0800, Chen, Tiejun wrote:
On 2014/6/25 22:05, Michael S. Tsirkin wrote:
On Wed, Jun 25, 2014 at 10:17:19AM +0800, Tiejun Chen wrote:
Some registers of Intel IGD are mapped in host bridge, so it needs to
passthrou
On Thu, Jun 26, 2014 at 01:34:14PM +0800, Chen, Tiejun wrote:
> On 2014/6/25 22:05, Michael S. Tsirkin wrote:
> >On Wed, Jun 25, 2014 at 10:17:19AM +0800, Tiejun Chen wrote:
> >>Some registers of Intel IGD are mapped in host bridge, so it needs to
> >>passthrough these registers of physical host br
On 2014/6/25 22:05, Michael S. Tsirkin wrote:
On Wed, Jun 25, 2014 at 10:17:19AM +0800, Tiejun Chen wrote:
Some registers of Intel IGD are mapped in host bridge, so it needs to
passthrough these registers of physical host bridge to guest because
emulated host bridge in guest doesn't have these m
On Wed, Jun 25, 2014 at 10:17:19AM +0800, Tiejun Chen wrote:
> Some registers of Intel IGD are mapped in host bridge, so it needs to
> passthrough these registers of physical host bridge to guest because
> emulated host bridge in guest doesn't have these mappings.
>
> The original patch is from We
On 2014/6/25 14:25, Paolo Bonzini wrote:
Il 25/06/2014 04:17, Tiejun Chen ha scritto:
+int pci_create_pch(PCIBus *bus)
+{
+XenHostPCIDevice hdev;
+int r = 0;
+
+if (!xen_has_gfx_passthru) {
+return r;
+}
+
You could make this an assertion, since the function is never ca
On Wed, Jun 25, 2014 at 10:17:19AM +0800, Tiejun Chen wrote:
> Some registers of Intel IGD are mapped in host bridge, so it needs to
> passthrough these registers of physical host bridge to guest because
> emulated host bridge in guest doesn't have these mappings.
>
> The original patch is from We
Il 25/06/2014 04:17, Tiejun Chen ha scritto:
+int pci_create_pch(PCIBus *bus)
+{
+XenHostPCIDevice hdev;
+int r = 0;
+
+if (!xen_has_gfx_passthru) {
+return r;
+}
+
You could make this an assertion, since the function is never called
with xen_has_gfx_passthru == 0. Or
Some registers of Intel IGD are mapped in host bridge, so it needs to
passthrough these registers of physical host bridge to guest because
emulated host bridge in guest doesn't have these mappings.
The original patch is from Weidong Han
Signed-off-by: Yang Zhang
Signed-off-by: Tiejun Chen
Cc:
