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[34.142.210.164]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3407f26e0a6sm5783366a91.5.2025.11.02.21.57.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Nov 2025 21:58:04 -0800 (PST) Date: Mon, 3 Nov 2025 05:57:54 +0000 From: Pranjal Shrivastava To: Jason Gunthorpe Cc: Alexander Gordeev , David Airlie , Alex Williamson , Ankit Agrawal , Christian Borntraeger , Brett Creeley , dri-devel@lists.freedesktop.org, Eric Auger , Eric Farman , Giovanni Cabiddu , Vasily Gorbik , Heiko Carstens , intel-gfx@lists.freedesktop.org, Jani Nikula , Joonas Lahtinen , Kevin Tian , kvm@vger.kernel.org, Kirti Wankhede , linux-s390@vger.kernel.org, Longfang Liu , Matthew Rosato , Nikhil Agarwal , Nipun Gupta , Peter Oberparleiter , Halil Pasic , qat-linux@intel.com, Rodrigo Vivi , Simona Vetter , Shameer Kolothum , Mostafa Saleh , Sven Schnelle , Tvrtko Ursulin , virtualization@lists.linux.dev, Vineeth Vijayan , Yishai Hadas , Zhenyu Wang , Zhi Wang , patches@lists.linux.dev Subject: Re: [PATCH 01/22] vfio: Provide a get_region_info op Message-ID: References: <0-v1-679a6fa27d31+209-vfio_get_region_info_op_jgg@nvidia.com> <1-v1-679a6fa27d31+209-vfio_get_region_info_op_jgg@nvidia.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1-v1-679a6fa27d31+209-vfio_get_region_info_op_jgg@nvidia.com> On Thu, Oct 23, 2025 at 08:09:15PM -0300, Jason Gunthorpe wrote: > Instead of hooking the general ioctl op, have the core code directly > decode VFIO_DEVICE_GET_REGION_INFO and call an op just for it. > > This is intended to allow mechanical changes to the drivers to pull their > VFIO_DEVICE_GET_REGION_INFO int oa function. Later patches will improve > the function signature to consolidate more code. > > Signed-off-by: Jason Gunthorpe > --- > drivers/vfio/pci/vfio_pci_core.c | 9 ++++++--- > drivers/vfio/vfio_main.c | 7 +++++++ > include/linux/vfio.h | 2 ++ > include/linux/vfio_pci_core.h | 2 ++ > 4 files changed, 17 insertions(+), 3 deletions(-) > Reviewed-by: Pranjal Shrivastava Thanks, Praan