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xen-devel
RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d
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To: |
"'enming.teo@xxxxxxxxxxxxxxx'" <enming.teo@xxxxxxxxxxxxxxx> |
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Subject: |
RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d |
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From: |
"Han, Weidong" <weidong.han@xxxxxxxxx> |
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Date: |
Wed, 2 Sep 2009 06:49:25 +0800 |
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Cc: |
"'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Lin, Ben Y" <ben.y.lin@xxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, 'Jean Guyader' <jean.guyader@xxxxxxxxxxxxx>, "'Keir.Fraser@xxxxxxxxxxxxx'" <Keir.Fraser@xxxxxxxxxxxxx>, "'bengheng@xxxxxxxxxxxxxx'" <bengheng@xxxxxxxxxxxxxx> |
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Tue, 01 Sep 2009 15:51:02 -0700 |
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<715D42877B251141A38726ABF5CABF2C054B533C43@xxxxxxxxxxxxxxxxxxxxxxxxxxxx><D5EDE100547C4F8596B4BAA72F0F87C3@ASOITIS16> <45EA9269D1A049DF92EC30000A57C232@ASOITIS16> <4A9D74E4.4060606@xxxxxxxxxxxxxxx> |
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AcorOdWc+hbFB5QgSImI3yVUzclHwgAHBDTg |
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Thread-topic: |
[Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d |
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xen-gfx-passthrough.patch was checked into xne-unstable as
changeset 20144,so you cannot apply it on 20145.
For your secondary gfx passthrough case, pls use the
version 1 patches. Christian Tramnitz said he succeeded to passthrough secondary
gfx with my patches.
Regards,
Weidong
Dear Weidong,
I checked out xen 3.5-unstable changeset
20145.
I applied xen-gfx-passthrough.patch
to changeset 20145.
There were some errors
with
Reversed
(or previously applied) patch detected! Assume -R
So
I think the maintainers of xen-unstable had applied some of the patches from
xen-gfx-passthrough.patch
you posted to the tree.
Then I applied the rest of the
patches:
qemu-gfx-passthrough.patch
xen-load-vbios-file.patch
xen-vBAR-pBAR.patch
qemu-change-for-vBAR-pBAR.patch
qemu-claim-vga-cycle-for-secondary-gfx-passthrough.patch
to
changeset 20145 without problems.
Here are the test results. Note that
all of the test results are based on starting Windows XP Home HVM domU while in
X server on dom0.
If I try to start domU in text mode on dom0 (without X
server), then the screen output will be garbaged and I won't be able to type
anything at all in dom0 text mode.
Test results with pvops dom 0 kernel
2.6.30-rc3
=============================
A. 1
VCPU
======
Tried starting win xp home domu with vcpu=1. DomU crashed
and exited, leaving only dom0.
(XEN) HVM1: HVM Loader
(XEN) HVM1:
Detected Xen v3.5-unstable
(XEN) HVM1: CPU speed is 2800 MHz
(XEN)
irq.c:243: Dom1 PCI link 0 changed 0 -> 5
(XEN) HVM1: PCI-ISA link 0
routed to IRQ5
(XEN) irq.c:243: Dom1 PCI link 1 changed 0 -> 10
(XEN)
HVM1: PCI-ISA link 1 routed to IRQ10
(XEN) irq.c:243: Dom1 PCI link 2 changed
0 -> 11
(XEN) HVM1: PCI-ISA link 2 routed to IRQ11
(XEN) irq.c:243:
Dom1 PCI link 3 changed 0 -> 5
(XEN) HVM1: PCI-ISA link 3 routed to
IRQ5
(XEN) HVM1: pci dev 01:2 INTD->IRQ5
(XEN) HVM1: pci dev 01:3
INTA->IRQ10
(XEN) HVM1: pci dev 02:0 INTA->IRQ11
(XEN) HVM1: pci dev
03:0 INTA->IRQ5
(XEN) HVM1: Make vBAR = pBAR of assigned gfx
(XEN)
domctl.c:836:d0 memory_map:add: gfn=d2000 mfn=d2000 nr_mfns=1000
(XEN)
domctl.c:836:d0 memory_map:add: gfn=c0000 mfn=c0000 nr_mfns=10000
(XEN)
domctl.c:836:d0 memory_map:add: gfn=d0000 mfn=d0000 nr_mfns=2000
(XEN)
domctl.c:887:d0 ioport_map:add f_gport=d000 f_mport=d000 np=80
(XEN) HVM1:
pci dev 02:0 bar 14 size 01000000: e0000008
(XEN) HVM1: pci dev 02:0 bar 10
size 00000100: 0000c001
(XEN) HVM1: pci dev 03:0 bar 10 size 00000100:
0000c101
(XEN) HVM1: pci dev 03:0 bar 14 size 00000100: e1000000
(XEN)
HVM1: pci dev 01:2 bar 20 size 00000020: 0000c201
(XEN) HVM1: pci dev 01:1
bar 20 size 00000010: 0000c221
(XEN) HVM1: Multiprocessor
initialisation:
(XEN) HVM1: - CPU0 ... 36-bit phys ... fixed MTRRs ...
var MTRRs [3/8] ... done.
(XEN) HVM1: Testing HVM environment:
(XEN)
HVM1: - REP INSB across page boundaries ... passed
(XEN) HVM1: -
GS base MSRs and SWAPGS ... passed
(XEN) HVM1: Passed 2 of 2 tests
(XEN)
HVM1: Writing SMBIOS tables ...
(XEN) HVM1: Loading ROMBIOS ...
(XEN)
HVM1: 11900 bytes of ROMBIOS high-memory extensions:
(XEN) HVM1:
Relocating to 0xfc000000-0xfc002e7c ... done
(XEN) HVM1: Creating MP tables
...
(XEN) HVM1: Loading VGABIOS of passthroughed gfx ...
(XEN) HVM1:
Loading PCI Option ROM ...
(XEN) HVM1: - Manufacturer: http://etherboot.org
(XEN) HVM1: -
Product name: gPXE
(XEN) HVM1: Loading ACPI ...
(XEN) HVM1: - Lo
data: 000ea020-000ea04f
(XEN) HVM1: - Hi data:
fc003000-fc01261f
(XEN) HVM1: vm86 TSS at fc012800
(XEN) HVM1: BIOS
map:
(XEN) HVM1: c0000-cf7ff: VGA BIOS
(XEN) HVM1:
cf800-dbfff: Etherboot ROM
(XEN) HVM1: eb000-eb14e: SMBIOS
tables
(XEN) HVM1: f0000-fffff: Main BIOS
(XEN) HVM1: Invoking
ROMBIOS ...
(XEN) HVM1: $Revision: 1.221 $ $Date: 2008/12/07 17:32:29
$
(XEN) HVM1: *** int 15h function AX=5f14, BX=078f not yet
supported!
(XEN) realmode.c:115:d1 Failed to emulate insn.
(XEN)
realmode.c:165:d1 Real-mode emulation failed @ b4b4:0000b4b4: 00 00 00 00 00
00
(XEN) domain_crash called from realmode.c:166
(XEN) Domain 1 (vcpu#0)
crashed on cpu#1:
(XEN) ----[ Xen-3.5-unstable x86_64
debug=y Not tainted ]----
(XEN) CPU: 1
(XEN)
RIP: c000:[<000000000000b4b4>]
(XEN) RFLAGS:
0000000000000082 CONTEXT: hvm guest
(XEN) rax:
000000000000b422 rbx: 000000000000b4b4 rcx:
0000000000010593
(XEN) rdx: 00000000000003d4 rsi:
0000000000009e48 rdi: 000000000000966a
(XEN) rbp:
000000000000a1a4 rsp: 0000000000009662 r8:
0000000000000000
(XEN) r9: 0000000000000000 r10:
0000000000000000 r11: 0000000000000000
(XEN) r12:
0000000000000000 r13: 0000000000000000 r14:
0000000000000000
(XEN) r15: 0000000000000000 cr0:
0000000000000010 cr4: 0000000000000000
(XEN) cr3:
0000000000800000 cr2: 0000000000000000
(XEN) ds: 0000
es: 0000 fs: 0000 gs: 0000 ss:
0000 cs: c000
(XEN) [VT-D]iommu.c:1292:d0
domain_context_unmap:PCIe: bdf = 1:0.0
(XEN) [VT-D]iommu.c:1178:d0
domain_context_mapping:PCIe: bdf = 1:0.0
B. 2 VCPU
======
I
switched to vcpu=2 for win xp home hvm domU. Now domU does not crash. xm list
shows domU running. But vncviewer pops up a QEMU monitor. Looks like win xp home
hvm domU did not start. All I get is a QEMU monitor.
(XEN) HVM2: HVM
Loader
(XEN) HVM2: Detected Xen v3.5-unstable
(XEN) HVM2: CPU speed is
2800 MHz
(XEN) irq.c:243: Dom2 PCI link 0 changed 0 -> 5
(XEN) HVM2:
PCI-ISA link 0 routed to IRQ5
(XEN) irq.c:243: Dom2 PCI link 1 changed 0
-> 10
(XEN) HVM2: PCI-ISA link 1 routed to IRQ10
(XEN) irq.c:243: Dom2
PCI link 2 changed 0 -> 11
(XEN) HVM2: PCI-ISA link 2 routed to
IRQ11
(XEN) irq.c:243: Dom2 PCI link 3 changed 0 -> 5
(XEN) HVM2:
PCI-ISA link 3 routed to IRQ5
(XEN) HVM2: pci dev 01:2 INTD->IRQ5
(XEN)
HVM2: pci dev 01:3 INTA->IRQ10
(XEN) HVM2: pci dev 02:0
INTA->IRQ11
(XEN) HVM2: pci dev 03:0 INTA->IRQ5
(XEN) HVM2: Make
vBAR = pBAR of assigned gfx
(XEN) domctl.c:836:d0 memory_map:add: gfn=d2000
mfn=d2000 nr_mfns=1000
(XEN) domctl.c:836:d0 memory_map:add: gfn=c0000
mfn=c0000 nr_mfns=10000
(XEN) domctl.c:836:d0 memory_map:add: gfn=d0000
mfn=d0000 nr_mfns=2000
(XEN) domctl.c:887:d0 ioport_map:add f_gport=d000
f_mport=d000 np=80
(XEN) HVM2: pci dev 02:0 bar 14 size 01000000:
e0000008
(XEN) HVM2: pci dev 02:0 bar 10 size 00000100: 0000c001
(XEN)
HVM2: pci dev 03:0 bar 10 size 00000100: 0000c101
(XEN) HVM2: pci dev 03:0
bar 14 size 00000100: e1000000
(XEN) HVM2: pci dev 01:2 bar 20 size 00000020:
0000c201
(XEN) HVM2: pci dev 01:1 bar 20 size 00000010: 0000c221
(XEN)
HVM2: Multiprocessor initialisation:
(XEN) HVM2: - CPU0 ... 36-bit phys
... fixed MTRRs ... var MTRRs [3/8] ... done.
(XEN) HVM2: - CPU1 ...
36-bit phys ... fixed MTRRs ... var MTRRs [3/8] ... done.
(XEN) HVM2: Testing
HVM environment:
(XEN) HVM2: - REP INSB across page boundaries ...
passed
(XEN) HVM2: - GS base MSRs and SWAPGS ... passed
(XEN) HVM2:
Passed 2 of 2 tests
(XEN) HVM2: Writing SMBIOS tables ...
(XEN) HVM2:
Loading ROMBIOS ...
(XEN) HVM2: 11900 bytes of ROMBIOS high-memory
extensions:
(XEN) HVM2: Relocating to 0xfc000000-0xfc002e7c ...
done
(XEN) HVM2: Creating MP tables ...
(XEN) HVM2: Loading VGABIOS of
passthroughed gfx ...
(XEN) HVM2: Loading PCI Option ROM ...
(XEN)
HVM2: - Manufacturer: http://etherboot.org
(XEN) HVM2: -
Product name: gPXE
(XEN) HVM2: Loading ACPI ...
(XEN) HVM2: - Lo
data: 000ea020-000ea04f
(XEN) HVM2: - Hi data:
fc003000-fc01261f
(XEN) HVM2: vm86 TSS at fc012800
(XEN) HVM2: BIOS
map:
(XEN) HVM2: c0000-cf7ff: VGA BIOS
(XEN) HVM2:
cf800-dbfff: Etherboot ROM
(XEN) HVM2: eb000-eb175: SMBIOS
tables
(XEN) HVM2: f0000-fffff: Main BIOS
(XEN) HVM2: Invoking
ROMBIOS ...
(XEN) HVM2: $Revision: 1.221 $ $Date: 2008/12/07 17:32:29
$
The same thing happens when testing under pvops dom 0 kernel
2.6.31-rc6.
Test results with pvops dom 0 kernel
2.6.31-rc6
=============================
A. 1
VCPU
======
(XEN) HVM1: HVM Loader
(XEN) HVM1: Detected Xen
v3.5-unstable
(XEN) HVM1: CPU speed is 2800 MHz
(XEN) irq.c:243: Dom1 PCI
link 0 changed 0 -> 5
(XEN) HVM1: PCI-ISA link 0 routed to IRQ5
(XEN)
irq.c:243: Dom1 PCI link 1 changed 0 -> 10
(XEN) HVM1: PCI-ISA link 1
routed to IRQ10
(XEN) irq.c:243: Dom1 PCI link 2 changed 0 -> 11
(XEN)
HVM1: PCI-ISA link 2 routed to IRQ11
(XEN) irq.c:243: Dom1 PCI link 3 changed
0 -> 5
(XEN) HVM1: PCI-ISA link 3 routed to IRQ5
(XEN) HVM1: pci dev
01:2 INTD->IRQ5
(XEN) HVM1: pci dev 01:3 INTA->IRQ10
(XEN) HVM1: pci
dev 02:0 INTA->IRQ11
(XEN) HVM1: pci dev 03:0 INTA->IRQ5
(XEN) HVM1:
Make vBAR = pBAR of assigned gfx
(XEN) domctl.c:836:d0 memory_map:add:
gfn=d2000 mfn=d2000 nr_mfns=1000
(XEN) domctl.c:836:d0 memory_map:add:
gfn=c0000 mfn=c0000 nr_mfns=10000
(XEN) domctl.c:836:d0 memory_map:add:
gfn=d0000 mfn=d0000 nr_mfns=2000
(XEN) domctl.c:887:d0 ioport_map:add
f_gport=d000 f_mport=d000 np=80
(XEN) HVM1: pci dev 02:0 bar 14 size
01000000: e0000008
(XEN) HVM1: pci dev 02:0 bar 10 size 00000100:
0000c001
(XEN) HVM1: pci dev 03:0 bar 10 size 00000100: 0000c101
(XEN)
HVM1: pci dev 03:0 bar 14 size 00000100: e1000000
(XEN) HVM1: pci dev 01:2
bar 20 size 00000020: 0000c201
(XEN) HVM1: pci dev 01:1 bar 20 size 00000010:
0000c221
(XEN) HVM1: Multiprocessor initialisation:
(XEN) HVM1: -
CPU0 ... 36-bit phys ... fixed MTRRs ... var MTRRs [3/8] ... done.
(XEN)
HVM1: Testing HVM environment:
(XEN) HVM1: - REP INSB across page
boundaries ... passed
(XEN) HVM1: - GS base MSRs and SWAPGS ...
passed
(XEN) HVM1: Passed 2 of 2 tests
(XEN) HVM1: Writing SMBIOS tables
...
(XEN) HVM1: Loading ROMBIOS ...
(XEN) HVM1: 11900 bytes of ROMBIOS
high-memory extensions:
(XEN) HVM1: Relocating to
0xfc000000-0xfc002e7c ... done
(XEN) HVM1: Creating MP tables ...
(XEN)
HVM1: Loading VGABIOS of passthroughed gfx ...
(XEN) HVM1: Loading PCI Option
ROM ...
(XEN) HVM1: - Manufacturer: http://etherboot.org
(XEN) HVM1: -
Product name: gPXE
(XEN) HVM1: Loading ACPI ...
(XEN) HVM1: - Lo
data: 000ea020-000ea04f
(XEN) HVM1: - Hi data:
fc003000-fc01261f
(XEN) HVM1: vm86 TSS at fc012800
(XEN) HVM1: BIOS
map:
(XEN) HVM1: c0000-cf7ff: VGA BIOS
(XEN) HVM1:
cf800-dbfff: Etherboot ROM
(XEN) HVM1: eb000-eb14e: SMBIOS
tables
(XEN) HVM1: f0000-fffff: Main BIOS
(XEN) HVM1: Invoking
ROMBIOS ...
(XEN) HVM1: $Revision: 1.221 $ $Date: 2008/12/07 17:32:29
$
(XEN) HVM1: *** int 15h function AX=5f14, BX=078f not yet
supported!
(XEN) realmode.c:115:d1 Failed to emulate insn.
(XEN)
realmode.c:165:d1 Real-mode emulation failed @ b4b4:0000b4b4: 00 00 00 00 00
00
(XEN) domain_crash called from realmode.c:166
(XEN) Domain 1 (vcpu#0)
crashed on cpu#1:
(XEN) ----[ Xen-3.5-unstable x86_64
debug=y Not tainted ]----
(XEN) CPU: 1
(XEN)
RIP: c000:[<000000000000b4b4>]
(XEN) RFLAGS:
0000000000000086 CONTEXT: hvm guest
(XEN) rax:
000000000000b422 rbx: 000000000000b4b4 rcx:
0000000000021f0f
(XEN) rdx: 00000000000003d4 rsi:
0000000000009e48 rdi: 000000000000966a
(XEN) rbp:
000000000000d49c rsp: 0000000000009662 r8:
0000000000000000
(XEN) r9: 0000000000000000 r10:
0000000000000000 r11: 0000000000000000
(XEN) r12:
0000000000000000 r13: 0000000000000000 r14:
0000000000000000
(XEN) r15: 0000000000000000 cr0:
0000000000000010 cr4: 0000000000000000
(XEN) cr3:
0000000000800000 cr2: 0000000000000000
(XEN) ds: 0000
es: 0000 fs: 0000 gs: 0000 ss:
0000 cs: c000
(XEN) [VT-D]iommu.c:1292:d0
domain_context_unmap:PCIe: bdf = 1:0.0
(XEN) [VT-D]iommu.c:1178:d0
domain_context_mapping:PCIe: bdf = 1:0.0
B. 2 VCPU
======
(XEN)
HVM2: HVM Loader
(XEN) HVM2: Detected Xen v3.5-unstable
(XEN) HVM2: CPU
speed is 2800 MHz
(XEN) irq.c:243: Dom2 PCI link 0 changed 0 -> 5
(XEN)
HVM2: PCI-ISA link 0 routed to IRQ5
(XEN) irq.c:243: Dom2 PCI link 1 changed
0 -> 10
(XEN) HVM2: PCI-ISA link 1 routed to IRQ10
(XEN) irq.c:243:
Dom2 PCI link 2 changed 0 -> 11
(XEN) HVM2: PCI-ISA link 2 routed to
IRQ11
(XEN) irq.c:243: Dom2 PCI link 3 changed 0 -> 5
(XEN) HVM2:
PCI-ISA link 3 routed to IRQ5
(XEN) HVM2: pci dev 01:2 INTD->IRQ5
(XEN)
HVM2: pci dev 01:3 INTA->IRQ10
(XEN) HVM2: pci dev 02:0
INTA->IRQ11
(XEN) HVM2: pci dev 03:0 INTA->IRQ5
(XEN) HVM2: Make
vBAR = pBAR of assigned gfx
(XEN) domctl.c:836:d0 memory_map:add: gfn=d2000
mfn=d2000 nr_mfns=1000
(XEN) domctl.c:836:d0 memory_map:add: gfn=c0000
mfn=c0000 nr_mfns=10000
(XEN) domctl.c:836:d0 memory_map:add: gfn=d0000
mfn=d0000 nr_mfns=2000
(XEN) domctl.c:887:d0 ioport_map:add f_gport=d000
f_mport=d000 np=80
(XEN) HVM2: pci dev 02:0 bar 14 size 01000000:
e0000008
(XEN) HVM2: pci dev 02:0 bar 10 size 00000100: 0000c001
(XEN)
HVM2: pci dev 03:0 bar 10 size 00000100: 0000c101
(XEN) HVM2: pci dev 03:0
bar 14 size 00000100: e1000000
(XEN) HVM2: pci dev 01:2 bar 20 size 00000020:
0000c201
(XEN) HVM2: pci dev 01:1 bar 20 size 00000010: 0000c221
(XEN)
HVM2: Multiprocessor initialisation:
(XEN) HVM2: - CPU0 ... 36-bit phys
... fixed MTRRs ... var MTRRs [3/8] ... done.
(XEN) HVM2: - CPU1 ...
36-bit phys ... fixed MTRRs ... var MTRRs [3/8] ... done.
(XEN) HVM2: Testing
HVM environment:
(XEN) HVM2: - REP INSB across page boundaries ...
passed
(XEN) HVM2: - GS base MSRs and SWAPGS ... passed
(XEN) HVM2:
Passed 2 of 2 tests
(XEN) HVM2: Writing SMBIOS tables ...
(XEN) HVM2:
Loading ROMBIOS ...
(XEN) HVM2: 11900 bytes of ROMBIOS high-memory
extensions:
(XEN) HVM2: Relocating to 0xfc000000-0xfc002e7c ...
done
(XEN) HVM2: Creating MP tables ...
(XEN) HVM2: Loading VGABIOS of
passthroughed gfx ...
(XEN) HVM2: Loading PCI Option ROM ...
(XEN)
HVM2: - Manufacturer: http://etherboot.org
(XEN) HVM2: -
Product name: gPXE
(XEN) HVM2: Loading ACPI ...
(XEN) HVM2: - Lo
data: 000ea020-000ea04f
(XEN) HVM2: - Hi data:
fc003000-fc01261f
(XEN) HVM2: vm86 TSS at fc012800
(XEN) HVM2: BIOS
map:
(XEN) HVM2: c0000-cf7ff: VGA BIOS
(XEN) HVM2:
cf800-dbfff: Etherboot ROM
(XEN) HVM2: eb000-eb175: SMBIOS
tables
(XEN) HVM2: f0000-fffff: Main BIOS
(XEN) HVM2: Invoking
ROMBIOS ...
(XEN) HVM2: $Revision: 1.221 $ $Date: 2008/12/07 17:32:29
$
(XEN) mce.c:694:d0 MCE: rdmsr MCG_CAP 0x806
(XEN) mce.c:694:d0 MCE:
rdmsr MCG_CAP 0x806
Hope the test results helped.
I can start win
xp home hvm dom U successfully if i remove pci in domU config and set
gfx-passthru=0, basically starting with emulated vga bios instead of passing
through pci-e graphics.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Company Website: http://www.asiasoft.sg/
Mobile: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Alma Maters: Singapore Polytechnic, National University of Singapore
Teo En Ming (Zhang Enming) wrote:
Hi,
How about the patch for loading vga bios from .bin file and the 1:1
bar mapping in version 2 release?
Let's make the basic patches better and acceptable first. I haven't rebased
the hacks patches on version 2 patches. Currently pls use the hack patches
with version 1 patches.
Regards,
Weidong
Thanks for the version 2.
Regards,
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Mobile: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Han,
Weidong Sent: Tuesday, September 01, 2009 2:01 PM
To: 'xen-devel@xxxxxxxxxxxxxxxxxxx'
Cc: Lin, Ben Y; 'bengheng@xxxxxxxxxxxxxx'; Kay,Allen M;
'Keir.Fraser@xxxxxxxxxxxxx'; 'Jean Guyader'
Subject: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d
This patch supports basic gfx passthrough on QEMU:
- disable emulated VGA adpater if there is passthroughed gfx
- retrieve VGA bios from host 0xC0000, then load it to guest 0xC0000
- register/unregister legacy VGA I/O ports and MMIOs for
passthroughed gfx
Signed-off-by: Ben Lin <ben.y.lin@xxxxxxxxx>
Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>
No virus found in this incoming message.
Checked by AVG - www.avg.com
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No virus found in this incoming message.
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Version: 8.5.409 / Virus Database: 270.13.73/2338 - Release Date: 08/31/09
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Version: 8.5.409 / Virus Database: 270.13.73/2338 - Release Date: 08/31/09
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- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Han, Weidong
- Re: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Jean Guyader
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Teo En Ming (Zhang Enming)
- Re: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Mr. Teo En Ming (Zhang Enming)
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d,
Han, Weidong <=
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Teo En Ming (Zhang Enming)
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Han, Weidong
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Teo En Ming (Zhang Enming)
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Teo En Ming (Zhang Enming)
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Han, Weidong
- RE: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Teo En Ming (Zhang Enming)
Re: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d, Ian Jackson
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