On 2021/1/28 0:45, Ferruh Yigit wrote:
On 1/27/2021 2:43 PM, 谢华伟(此时此刻） wrote:
On 2021/1/27 18:32, Ferruh Yigit wrote:
I was waiting for clarification if this can be solved in virtio,
which seems clarified and decided to go with this patch, I am OK to
proceed with patch 1 & 2.
But first pa
On 1/27/2021 2:43 PM, 谢华伟(此时此刻） wrote:
On 2021/1/27 18:32, Ferruh Yigit wrote:
I was waiting for clarification if this can be solved in virtio, which seems
clarified and decided to go with this patch, I am OK to proceed with patch 1 & 2.
But first patch changes how PIO address get, it changes
On 2021/1/27 18:32, Ferruh Yigit wrote:
I was waiting for clarification if this can be solved in virtio, which
seems clarified and decided to go with this patch, I am OK to proceed
with patch 1 & 2.
But first patch changes how PIO address get, it changes the Linux
interface used to get the
On 1/27/21 11:32 AM, Ferruh Yigit wrote:
> On 1/26/2021 10:44 AM, Maxime Coquelin wrote:
>>
>>
>> On 1/22/21 8:25 AM, 谢华伟(此时此刻） wrote:
>>>
>>> On 2021/1/21 23:38, Maxime Coquelin wrote:
> Do you mean we apply or abandon patch 3? I am both OK. The first
> priority to me is to enable MMIO
On 1/26/2021 10:44 AM, Maxime Coquelin wrote:
On 1/22/21 8:25 AM, 谢华伟(此时此刻） wrote:
On 2021/1/21 23:38, Maxime Coquelin wrote:
Do you mean we apply or abandon patch 3? I am both OK. The first
priority to me is to enable MMIO bar support.
OK, so yes, I think we should abandon patch 2 and patc
On 2021/1/26 20:35, Maxime Coquelin wrote:
On 1/26/21 1:30 PM, 谢华伟(此时此刻） wrote:
On 2021/1/22 15:25, chris wrote:
On 2021/1/21 23:38, Maxime Coquelin wrote:
Do you mean we apply or abandon patch 3? I am both OK. The first
priority to me is to enable MMIO bar support.
OK, so yes, I think we
On 1/26/21 1:30 PM, 谢华伟(此时此刻） wrote:
>
> On 2021/1/22 15:25, chris wrote:
>>
>> On 2021/1/21 23:38, Maxime Coquelin wrote:
Do you mean we apply or abandon patch 3? I am both OK. The first
priority to me is to enable MMIO bar support.
>>> OK, so yes, I think we should abandon patch 2 a
On 2021/1/22 15:25, chris wrote:
On 2021/1/21 23:38, Maxime Coquelin wrote:
Do you mean we apply or abandon patch 3? I am both OK. The first
priority to me is to enable MMIO bar support.
OK, so yes, I think we should abandon patch 2 and patch 3.
For patch 1, it looks valid to me, but I'll le
On 1/22/21 8:25 AM, 谢华伟(此时此刻） wrote:
>
> On 2021/1/21 23:38, Maxime Coquelin wrote:
>>> Do you mean we apply or abandon patch 3? I am both OK. The first
>>> priority to me is to enable MMIO bar support.
>> OK, so yes, I think we should abandon patch 2 and patch 3.
>> For patch 1, it looks valid
On 2021/1/21 23:38, Maxime Coquelin wrote:
Do you mean we apply or abandon patch 3? I am both OK. The first
priority to me is to enable MMIO bar support.
OK, so yes, I think we should abandon patch 2 and patch 3.
For patch 1, it looks valid to me, but I'll let Ferruh decide.
For your device,
On 1/21/21 3:57 PM, 谢华伟(此时此刻） wrote:
>
> On 2021/1/21 16:29, Maxime Coquelin wrote:
>>
>> On 1/20/21 3:54 PM, 谢华伟(此时此刻） wrote:
>>> On 2021/1/13 0:58, Maxime Coquelin wrote:
On 1/12/21 10:37 AM, Maxime Coquelin wrote:
> bus/pci: ...
>
> On 10/22/20 5:51 PM, 谢华伟(此时此刻） wrote:
"
I think that using inb/outb in the case of VFIO with IOMMU enabled won't
work without cap_sys_rawio, and using it in the case of VFIO with IOMMU
disabled just bypasses VFIO and so is not correct.
Get your concern.
PIO bar:
HW virtio on HW machine: any vendor implements hardware virti
On 2021/1/21 16:29, Maxime Coquelin wrote:
On 1/20/21 3:54 PM, 谢华伟(此时此刻） wrote:
On 2021/1/13 0:58, Maxime Coquelin wrote:
On 1/12/21 10:37 AM, Maxime Coquelin wrote:
bus/pci: ...
On 10/22/20 5:51 PM, 谢华伟(此时此刻） wrote:
From: "huawei.xhw"
VFIO should use the same way to map/read/write PORT
On 1/20/21 3:54 PM, 谢华伟(此时此刻） wrote:
>
> On 2021/1/13 0:58, Maxime Coquelin wrote:
>>
>> On 1/12/21 10:37 AM, Maxime Coquelin wrote:
>>> bus/pci: ...
>>>
>>> On 10/22/20 5:51 PM, 谢华伟(此时此刻） wrote:
From: "huawei.xhw"
VFIO should use the same way to map/read/write PORT IO as UIO, f
On 2021/1/13 0:58, Maxime Coquelin wrote:
On 1/12/21 10:37 AM, Maxime Coquelin wrote:
bus/pci: ...
On 10/22/20 5:51 PM, 谢华伟(此时此刻） wrote:
From: "huawei.xhw"
VFIO should use the same way to map/read/write PORT IO as UIO, for
virtio PMD.
Please provide more details in the commit message on
On 1/12/21 10:37 AM, Maxime Coquelin wrote:
> bus/pci: ...
>
> On 10/22/20 5:51 PM, 谢华伟(此时此刻） wrote:
>> From: "huawei.xhw"
>>
>> VFIO should use the same way to map/read/write PORT IO as UIO, for
>> virtio PMD.
>
> Please provide more details in the commit message on why the way VFIO
> works
bus/pci: ...
On 10/22/20 5:51 PM, 谢华伟(此时此刻） wrote:
> From: "huawei.xhw"
>
> VFIO should use the same way to map/read/write PORT IO as UIO, for
> virtio PMD.
Please provide more details in the commit message on why the way VFIO
works today is wrong (The cover letter is lost once applied).
> Sig
From: "huawei.xhw"
VFIO should use the same way to map/read/write PORT IO as UIO, for
virtio PMD.
Signed-off-by: huawei.xhw
---
drivers/bus/pci/linux/pci.c | 8
drivers/bus/pci/linux/pci_uio.c | 4 +++-
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/bus/pci
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