[v2,6/8] doc/qat: update kernel dependency section
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Commit Message
Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
---
doc/guides/cryptodevs/qat.rst | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
Comments
09/08/2018 18:50, Fiona Trahe:
> --- a/doc/guides/cryptodevs/qat.rst
> +++ b/doc/guides/cryptodevs/qat.rst
> @@ -120,10 +120,8 @@ Quick instructions are as follows:
> make
>
>
> -.. _qat_kernel_installation:
> -
> Dependency on the QAT kernel driver
> ------------------------------------
> +~~~~~~~~~~~~~~~~~~~~~~~~
Strange, why changing the underline to make it shorter?
Hi Thomas,
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> Sent: Thursday, August 9, 2018 8:36 PM
> To: Trahe, Fiona <fiona.trahe@intel.com>
> Cc: dev@dpdk.org; De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>; Jozwiak, TomaszX
> <tomaszx.jozwiak@intel.com>
> Subject: Re: [dpdk-dev] [PATCH v2 6/8] doc/qat: update kernel dependency section
>
> 09/08/2018 18:50, Fiona Trahe:
> > --- a/doc/guides/cryptodevs/qat.rst
> > +++ b/doc/guides/cryptodevs/qat.rst
> > @@ -120,10 +120,8 @@ Quick instructions are as follows:
> > make
> >
> >
> > -.. _qat_kernel_installation:
> > -
> > Dependency on the QAT kernel driver
> > ------------------------------------
> > +~~~~~~~~~~~~~~~~~~~~~~~~
>
> Strange, why changing the underline to make it shorter?
>
The intent was to correct the indent level, I didn't intend to make it shorter.
But I don't know why checkpatch didn't catch this as it did warn of too short underlines in other places.
I'll fix in a v3
@@ -120,10 +120,8 @@ Quick instructions are as follows:
make
-.. _qat_kernel_installation:
-
Dependency on the QAT kernel driver
------------------------------------
+~~~~~~~~~~~~~~~~~~~~~~~~
To use the QAT PMD an SRIOV-enabled QAT kernel driver is required. The VF
devices created and initialised by this driver will be used by the QAT PMD.
@@ -132,12 +130,8 @@ Instructions for installation are below, but first an explanation of the
relationships between the PF/VF devices and the PMDs visible to
DPDK applications.
-
-Acceleration services - cryptography and compression - are provided to DPDK
-applications via PMDs which register to implement the corresponding
-cryptodev and compressdev APIs.
-
-Each QuickAssist VF device can expose one cryptodev PMD and/or one compressdev PMD.
+Each QuickAssist PF device exposes a number of VF devices. Each VF device can
+enable one cryptodev PMD and/or one compressdev PMD.
These QAT PMDs share the same underlying device and pci-mgmt code, but are
enumerated independently on their respective APIs and appear as independent
devices to applications.