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[Qemu-devel] [v7][PATCH 08/10] xen, gfx passthrough: register a isa brid
From: |
Tiejun Chen |
Subject: |
[Qemu-devel] [v7][PATCH 08/10] xen, gfx passthrough: register a isa bridge |
Date: |
Wed, 18 Mar 2015 17:06:39 +0800 |
Currently we just register this isa bridge when we use IGD
passthrough in Xen side.
Signed-off-by: Tiejun Chen <address@hidden>
---
hw/xen/xen_pt.c | 18 ++++++++++++++++++
include/hw/xen/xen.h | 1 +
2 files changed, 19 insertions(+)
diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index fcc9f1c..2d5cebb 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -632,6 +632,21 @@ static const MemoryListener xen_pt_io_listener = {
.priority = 10,
};
+static void
+xen_igd_passthrough_isa_bridge_create(XenPCIPassthroughState *s,
+ XenHostPCIDevice *dev)
+{
+ uint16_t gpu_dev_id;
+ PCIDevice *d = &s->dev;
+
+ if (!is_igd_vga_passthrough(dev)) {
+ return;
+ }
+
+ gpu_dev_id = dev->device_id;
+ igd_passthrough_isa_bridge_create(d->bus, gpu_dev_id);
+}
+
/* init */
static int xen_pt_initfn(PCIDevice *d)
@@ -680,6 +695,9 @@ static int xen_pt_initfn(PCIDevice *d)
xen_host_pci_device_put(&s->real_device);
return -1;
}
+
+ /* Register ISA bridge for passthrough GFX. */
+ xen_igd_passthrough_isa_bridge_create(s, &s->real_device);
}
/* Handle real device's MMIO/PIO BARs */
diff --git a/include/hw/xen/xen.h b/include/hw/xen/xen.h
index 4356af4..703148e 100644
--- a/include/hw/xen/xen.h
+++ b/include/hw/xen/xen.h
@@ -51,4 +51,5 @@ void xen_register_framebuffer(struct MemoryRegion *mr);
# define HVM_MAX_VCPUS 32
#endif
+extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t
gpu_dev_id);
#endif /* QEMU_HW_XEN_H */
--
1.9.1
- [Qemu-devel] [v7][PATCH 05/10] xen, gfx passthrough: basic graphics passthrough support, (continued)
- [Qemu-devel] [v7][PATCH 05/10] xen, gfx passthrough: basic graphics passthrough support, Tiejun Chen, 2015/03/18
- [Qemu-devel] [v7][PATCH 03/10] piix: create host bridge to passthrough, Tiejun Chen, 2015/03/18
- Re: [Qemu-devel] [v7][PATCH 03/10] piix: create host bridge to passthrough, Gerd Hoffmann, 2015/03/18
- Re: [Qemu-devel] [v7][PATCH 03/10] piix: create host bridge to passthrough, Chen, Tiejun, 2015/03/18
- Re: [Qemu-devel] [v7][PATCH 03/10] piix: create host bridge to passthrough, Chen, Tiejun, 2015/03/26
- Re: [Qemu-devel] [v7][PATCH 03/10] piix: create host bridge to passthrough, Michael S. Tsirkin, 2015/03/26
- Re: [Qemu-devel] [v7][PATCH 03/10] piix: create host bridge to passthrough, Chen, Tiejun, 2015/03/26
[Qemu-devel] [v7][PATCH 02/10] pc_init1: pass parameters just with types, Tiejun Chen, 2015/03/18
[Qemu-devel] [v7][PATCH 04/10] hw/pci-assign: split pci-assign.c, Tiejun Chen, 2015/03/18
[Qemu-devel] [v7][PATCH 07/10] igd gfx passthrough: create a isa bridge, Tiejun Chen, 2015/03/18
[Qemu-devel] [v7][PATCH 08/10] xen, gfx passthrough: register a isa bridge,
Tiejun Chen <=
[Qemu-devel] [v7][PATCH 10/10] xen, gfx passthrough: add opregion mapping, Tiejun Chen, 2015/03/18
[Qemu-devel] [v7][PATCH 09/10] xen, gfx passthrough: register host bridge specific to passthrough, Tiejun Chen, 2015/03/18