On 06/01/2018 10:10 AM, Sinan Kaya wrote:
> On 6/1/2018 11:06 AM, Alex G. wrote:
>> On 06/01/2018 10:03 AM, Sinan Kaya wrote:
>>> On 6/1/2018 11:01 AM, Alexandru Gagniuc wrote:
+ /* Multi-function PCIe share the same link/status. */
+ if (PCI_FUNC(dev->devfn) != 0)
+ re
On 06/01/2018 10:12 AM, Andy Shevchenko wrote:
> On Fri, Jun 1, 2018 at 6:01 PM, Alexandru Gagniuc
> wrote:
>> PCIe downtraining happens when both the device and PCIe port are
>> capable of a larger bus width or higher speed than negotiated.
>> Downtraining might be indicative of other problems i
On Fri, Jun 1, 2018 at 6:01 PM, Alexandru Gagniuc wrote:
> PCIe downtraining happens when both the device and PCIe port are
> capable of a larger bus width or higher speed than negotiated.
> Downtraining might be indicative of other problems in the system, and
> identifying this from userspace is
On 6/1/2018 11:06 AM, Alex G. wrote:
> On 06/01/2018 10:03 AM, Sinan Kaya wrote:
>> On 6/1/2018 11:01 AM, Alexandru Gagniuc wrote:
>>> + /* Multi-function PCIe share the same link/status. */
>>> + if (PCI_FUNC(dev->devfn) != 0)
>>> + return;
>>
>> How about virtual functions?
>
> I h
On 06/01/2018 10:03 AM, Sinan Kaya wrote:
> On 6/1/2018 11:01 AM, Alexandru Gagniuc wrote:
>> +/* Multi-function PCIe share the same link/status. */
>> +if (PCI_FUNC(dev->devfn) != 0)
>> +return;
>
> How about virtual functions?
I have almost no clue about those. Is your conce
On 6/1/2018 11:01 AM, Alexandru Gagniuc wrote:
> + /* Multi-function PCIe share the same link/status. */
> + if (PCI_FUNC(dev->devfn) != 0)
> + return;
How about virtual functions?
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies,
PCIe downtraining happens when both the device and PCIe port are
capable of a larger bus width or higher speed than negotiated.
Downtraining might be indicative of other problems in the system, and
identifying this from userspace is neither intuitive, nor straigh
forward.
The easiest way to detect
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