Hi,
This is a proof of concept of GPU forwarding for Linux guest on Linux host.
I'd like to get comments and suggestions from community before I put more
time on it. To summarize what it is:
1. It's a solution to bring GPU acceleration for Linux vm guest on Linux host.
It could works with differe
---
arch/x86/configs/x86_64_defconfig |5 +
drivers/char/Makefile |1 +
drivers/char/forwarder/Makefile|8 +
drivers/char/forwarder/forwarder.h | 103 ++
drivers/char/forwarder/forwarder_drv.c | 2104
fs/open.c
When scanout_mode enabled, surface is out of sync with actual screen.
In such case, we just call sdl2_gl_scanout_flush to do redraw. This
fixes bug reported in
https://lists.freedesktop.org/archives/virglrenderer-devel/2018-July/001330.html
Signed-off-by: Tao Wu
---
ui/sdl2-gl.c | 5 +
1 fil
x86_update_hflags reference env->efer which is updated in hax_get_msrs,
so it has to be called after hax_get_msrs. This fix the bug that sometimes
dump_state show 32 bits regs even in 64 bits mode.
Signed-off-by: Tao Wu
---
target/i386/hax-all.c | 4 +---
1 file changed, 1 insertion(+), 3 deleti
Change to use x86_update_hflags instead of keeping another copy
at hax side. This also fix bug like HF_CPL_MASK should be SS.DPL,
not CS.DPL.
Signed-off-by: Tao Wu
---
target/i386/hax-all.c | 53 ++-
1 file changed, 2 insertions(+), 51 deletions(-)
We will share the same code for hax/kvm.
Signed-off-by: Tao Wu
---
target/i386/Makefile.objs | 2 +-
target/i386/common_i386.c | 50 +++
target/i386/common_i386.h | 14 +
target/i386/kvm.c | 41 ++---
hax_setup_qemu_emulator reference env->efer which is updated in
hax_get_msrs, so it has to be called after hax_get_msrs. This fix
the bug that sometimes dump_state show 32 bits regs even in 64 bits
mode.
Signed-off-by: Tao Wu
---
target/i386/hax-all.c | 4 +---
1 file changed, 1 insertion(+), 3
Add support for these keys: audiomute volumedown volumeup power.
Tested with "sendkey" command in monitor and verify the behavior
in guest OS.
Signed-off-by: Tao Wu
---
hw/input/hid.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/hw/input/hid.c b/hw/input/hid.c
inde
There are some wrong hid usage mapping in hid_usage_keys table.
It can be confirmed with "sendkey" command in monitor and verify
the behavior in guest OS.
This CL fixed some wrong hid usage mapping for these keys:
kp_equals kp_comma audiomute volumedown volumeup power
There still are some wrong m
The old code treats bits as bytes when calculating host memory usage.
Change it to be consistent with allocation logic in pixman library.
Signed-off-by: Tao Wu
---
hw/display/virtio-gpu.c | 16 ++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/hw/display/virtio-gpu.
The current code looks buggy, we zero ti_i while we access
ti_dst/ti_src later.
Signed-off-by: Tao Wu
---
slirp/tcp_subr.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index dc8b4bbb50..da0d53743f 100644
--- a/slirp/tcp_subr.
The old code treats bits as bytes when calculating host memory usage.
Change it to be consistent with allocation logic in pixman library.
Signed-off-by: Tao Wu
---
hw/display/virtio-gpu.c | 13 +++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/hw/display/virtio-gpu.c b
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