Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-17 Thread Michael S. Tsirkin
On Mon, Nov 17, 2014 at 07:18:17PM +0800, Chen, Tiejun wrote: > On 2014/11/17 18:13, Michael S. Tsirkin wrote: > >On Mon, Nov 17, 2014 at 05:42:12PM +0800, Chen, Tiejun wrote: > >>On 2014/11/17 17:25, Michael S. Tsirkin wrote: > >>>On Mon, Nov 17, 2014 at 04:48:32PM +0800, Chen, Tiejun wrote: > >>>

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-17 Thread Chen, Tiejun
On 2014/11/17 18:13, Michael S. Tsirkin wrote: On Mon, Nov 17, 2014 at 05:42:12PM +0800, Chen, Tiejun wrote: On 2014/11/17 17:25, Michael S. Tsirkin wrote: On Mon, Nov 17, 2014 at 04:48:32PM +0800, Chen, Tiejun wrote: On 2014/11/17 14:10, Michael S. Tsirkin wrote: On Mon, Nov 17, 2014 at 10:4

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-17 Thread Michael S. Tsirkin
On Mon, Nov 17, 2014 at 05:42:12PM +0800, Chen, Tiejun wrote: > On 2014/11/17 17:25, Michael S. Tsirkin wrote: > >On Mon, Nov 17, 2014 at 04:48:32PM +0800, Chen, Tiejun wrote: > >>On 2014/11/17 14:10, Michael S. Tsirkin wrote: > >>>On Mon, Nov 17, 2014 at 10:47:56AM +0800, Chen, Tiejun wrote: > >>>

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-17 Thread Chen, Tiejun
On 2014/11/17 17:25, Michael S. Tsirkin wrote: On Mon, Nov 17, 2014 at 04:48:32PM +0800, Chen, Tiejun wrote: On 2014/11/17 14:10, Michael S. Tsirkin wrote: On Mon, Nov 17, 2014 at 10:47:56AM +0800, Chen, Tiejun wrote: On 2014/11/5 22:09, Michael S. Tsirkin wrote: On Wed, Nov 05, 2014 at 03:22

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-17 Thread Michael S. Tsirkin
On Mon, Nov 17, 2014 at 04:48:32PM +0800, Chen, Tiejun wrote: > On 2014/11/17 14:10, Michael S. Tsirkin wrote: > >On Mon, Nov 17, 2014 at 10:47:56AM +0800, Chen, Tiejun wrote: > >>On 2014/11/5 22:09, Michael S. Tsirkin wrote: > >>>On Wed, Nov 05, 2014 at 03:22:59PM +0800, Tiejun Chen wrote: > C

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-17 Thread Chen, Tiejun
On 2014/11/17 14:10, Michael S. Tsirkin wrote: On Mon, Nov 17, 2014 at 10:47:56AM +0800, Chen, Tiejun wrote: On 2014/11/5 22:09, Michael S. Tsirkin wrote: On Wed, Nov 05, 2014 at 03:22:59PM +0800, Tiejun Chen wrote: Currently IGD drivers always need to access PCH by 1f.0, and PCH vendor/device

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-16 Thread Michael S. Tsirkin
On Mon, Nov 17, 2014 at 10:47:56AM +0800, Chen, Tiejun wrote: > On 2014/11/5 22:09, Michael S. Tsirkin wrote: > >On Wed, Nov 05, 2014 at 03:22:59PM +0800, Tiejun Chen wrote: > >>Currently IGD drivers always need to access PCH by 1f.0, and > >>PCH vendor/device id is used to identify the card. > >>

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-16 Thread Chen, Tiejun
On 2014/11/5 22:09, Michael S. Tsirkin wrote: On Wed, Nov 05, 2014 at 03:22:59PM +0800, Tiejun Chen wrote: Currently IGD drivers always need to access PCH by 1f.0, and PCH vendor/device id is used to identify the card. Signed-off-by: Tiejun Chen --- hw/i386/pc_piix.c | 28 +++

Re: [Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-05 Thread Michael S. Tsirkin
On Wed, Nov 05, 2014 at 03:22:59PM +0800, Tiejun Chen wrote: > Currently IGD drivers always need to access PCH by 1f.0, and > PCH vendor/device id is used to identify the card. > > Signed-off-by: Tiejun Chen > --- > hw/i386/pc_piix.c | 28 +++- > 1 file changed, 27 insert

[Qemu-devel] [RFC][PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough

2014-11-04 Thread Tiejun Chen
Currently IGD drivers always need to access PCH by 1f.0, and PCH vendor/device id is used to identify the card. Signed-off-by: Tiejun Chen --- hw/i386/pc_piix.c | 28 +++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c