[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for I
From: |
Tiejun Chen |
Subject: |
[Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD |
Date: |
Fri, 16 May 2014 18:53:40 +0800 |
Some VBIOSs and drivers assume the IGD BDF (bus:device:function) is
always 00:02.0, so we need to reserves 00:02.0 for assigned IGD in
guest.
Signed-off-by: Tiejun Chen <address@hidden>
Signed-off-by: Yang Zhang <address@hidden>
---
v2:
* Use a common way patch #2 introduce to reserve PCI devfn.
hw/pci-host/piix.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index ffdc853..b6f49bd 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -329,6 +329,14 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
s = PCI_HOST_BRIDGE(dev);
b = pci_bus_new(dev, NULL, pci_address_space,
address_space_io, 0, TYPE_PCI_BUS);
+
+ /*
+ * Some video bioses and gfx drivers will assume the bdf of IGD is 00:02.0.
+ * So user need to set it to 00:02.0 in Xen configure file explicitly,
+ * otherwise IGD will fail to work.
+ */
+ pci_reserve_pci_devfn(b, PCI_DEVFN(2, 0));
+
s->bus = b;
object_property_add_child(qdev_get_machine(), "i440fx", OBJECT(dev), NULL);
qdev_init_nofail(dev);
--
1.9.1
- [Qemu-devel] [v2][PATCH 2/8] pci: provide a way to reserve some specific devfn, (continued)
- [Qemu-devel] [v2][PATCH 2/8] pci: provide a way to reserve some specific devfn, Tiejun Chen, 2014/05/16
- [Qemu-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Tiejun Chen, 2014/05/16
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Konrad Rzeszutek Wilk, 2014/05/16
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Chen, Tiejun, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Konrad Rzeszutek Wilk, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Chen, Tiejun, 2014/05/20
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Stefano Stabellini, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 3/8] xen, gfx passthrough: basic graphics passthrough support, Chen, Tiejun, 2014/05/20
[Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD,
Tiejun Chen <=
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Konrad Rzeszutek Wilk, 2014/05/16
- Re: [Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Gerd Hoffmann, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Fabio Fantoni, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Zhang, Yang Z, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Chen, Tiejun, 2014/05/19
- Re: [Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Chen, Tiejun, 2014/05/19
- Re: [Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Michael S. Tsirkin, 2014/05/19
- Re: [Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Chen, Tiejun, 2014/05/20
- Re: [Qemu-devel] [v2][PATCH 4/8] xen, gfx passthrough: reserve 00:02.0 for INTEL IGD, Michael S. Tsirkin, 2014/05/20