From: Thomas Monjalon <thomas@monjalon.net>
To: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>
Cc: dev@dpdk.org, ocardona@microsoft.com,
haramakr@linux.microsoft.com, pallavi.kadam@intel.com,
dmitry.kozliuk@gmail.com, dmitrym@microsoft.com,
Harini Ramakrishnan <Harini.Ramakrishnan@microsoft.com>,
Ranjit Menon <ranjit.menon@intel.com>,
Narcisa Vasile <navasile@microsoft.com>
Subject: Re: [dpdk-dev] [PATCH v5] windows/netuio: add Windows NetUIO kernel driver
Date: Wed, 14 Oct 2020 11:29:45 +0200 [thread overview]
Message-ID: <2382564.98p6WmCBFr@thomas> (raw)
In-Reply-To: <7f5f4978-f967-66e8-5152-5446198bfd42@intel.com>
02/10/2020 20:21, Ranjit Menon:
> On 10/1/2020 3:55 PM, Narcisa Ana Maria Vasile wrote:
> > From: Narcisa Vasile <navasile@microsoft.com>
> >
> > The Windows netuio kernel driver provides the DPDK userspace application
> > with direct access to hardware, by mapping the HW registers in userspace
> > and allowing read/write operations from/to the device
> > configuration space.
> >
> > Two IOCTLs are defined by the netuio interface:
> > * IOCTL_NETUIO_MAP_HW_INTO_USERSPACE
> > - used for mapping the device registers into userspace
> > * IOCTL_NETUIO_PCI_CONFIG_IO
> > - used to read/write from/into the device configuration space
> >
> > Note:
> > Requests to map the device BARs into userspace need to be processed
> > in the thread context of the process that initiated the mapping request.
> > Otherwise, the BARs might end up mapped into an arbitrary process
> > address space.
> > EvtIoInCallerContext is used to ensure the requests are handled
> > in the right user thread context. Other requests (PCI config)
> > are sent back to the framework and processed by the EvtIoDeviceControl
> > callback.
> >
> > Cc: Harini Ramakrishnan <Harini.Ramakrishnan@microsoft.com>
> > Cc: Omar Cardona <ocardona@microsoft.com>
> > Cc: Dmitry Malloy <dmitrym@microsoft.com>
> > Signed-off-by: Narcisa Vasile <navasile@microsoft.com>
>
> We'll need to do a code-style cleanup at some point, but for now:
>
> Reviewed-by: Ranjit Menon <ranjit.menon@intel.com>
> Acked-by: Ranjit Menon <ranjit.menon@intel.com>
For info, Reviewed-by is stronger because it means
you carefully checked the code.
I drop Acked-by redundancy in this case.
With Reviewed-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Applied, thanks
For next patches, I would prefer a prefix "kmods" in the subject:
--subject-prefix='kmods PATCH'
next prev parent reply other threads:[~2020-10-14 9:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-20 22:23 [dpdk-dev] [PATCH v2] " Narcisa Ana Maria Vasile
2020-08-21 1:32 ` Ranjit Menon
2020-09-09 18:58 ` Narcisa Ana Maria Vasile
2020-08-24 20:53 ` Dmitry Kozlyuk
2020-09-09 18:53 ` Narcisa Ana Maria Vasile
2020-09-13 21:39 ` Dmitry Kozlyuk
2020-09-09 18:41 ` [dpdk-dev] [PATCH v3] " Narcisa Ana Maria Vasile
2020-09-13 21:39 ` Dmitry Kozlyuk
2020-09-19 2:52 ` [dpdk-dev] [PATCH v4] " Narcisa Ana Maria Vasile
2020-09-22 21:25 ` Dmitry Kozlyuk
2020-09-22 21:36 ` Ranjit Menon
2020-10-01 22:55 ` [dpdk-dev] [PATCH v5] " Narcisa Ana Maria Vasile
2020-10-02 18:21 ` Ranjit Menon
2020-10-05 19:34 ` Narcisa Ana Maria Vasile
2020-10-14 9:29 ` Thomas Monjalon [this message]
2020-10-02 18:33 ` Dmitry Kozlyuk
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