linux-kernel - [PATCH v3 27/28] drm/intel/pciids: Add match with VFIO override

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Message-ID: <20251030203135.337696-28-michal.winiarski@intel.com>
Date: Thu, 30 Oct 2025 21:31:34 +0100
From: Michał Winiarski <michal.winiarski@...el.com>
To: Alex Williamson <alex@...zbot.org>, Lucas De Marchi
	<lucas.demarchi@...el.com>, Thomas Hellström
	<thomas.hellstrom@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>,
	Jason Gunthorpe <jgg@...pe.ca>, Yishai Hadas <yishaih@...dia.com>, Kevin Tian
	<kevin.tian@...el.com>, Shameer Kolothum <skolothumtho@...dia.com>,
	<intel-xe@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
	<kvm@...r.kernel.org>, Matthew Brost <matthew.brost@...el.com>, "Michal
 Wajdeczko" <michal.wajdeczko@...el.com>
CC: <dri-devel@...ts.freedesktop.org>, Jani Nikula
	<jani.nikula@...ux.intel.com>, Joonas Lahtinen
	<joonas.lahtinen@...ux.intel.com>, Tvrtko Ursulin <tursulin@...ulin.net>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, "Lukasz
 Laguna" <lukasz.laguna@...el.com>, Christoph Hellwig <hch@...radead.org>,
	Michał Winiarski <michal.winiarski@...el.com>
Subject: [PATCH v3 27/28] drm/intel/pciids: Add match with VFIO override

In order to allow VFIO users to choose the right driver override, VFIO
driver variant used for VF migration needs to use Intel Graphics PCI
IDs.
Add INTEL_VGA_VFIO_DEVICE match that sets VFIO override_only.

Signed-off-by: Michał Winiarski <michal.winiarski@...el.com>
---
 include/drm/intel/pciids.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/drm/intel/pciids.h b/include/drm/intel/pciids.h
index b258e79b437ac..d14ce43139a28 100644
--- a/include/drm/intel/pciids.h
+++ b/include/drm/intel/pciids.h
@@ -43,6 +43,13 @@
 	.class = PCI_BASE_CLASS_DISPLAY << 16, .class_mask = 0xff << 16, \
 	.driver_data = (kernel_ulong_t)(_info), \
 }
+
+#define INTEL_VGA_VFIO_DEVICE(_id, _info) { \
+	PCI_DEVICE(PCI_VENDOR_ID_INTEL, (_id)), \
+	.class = PCI_BASE_CLASS_DISPLAY << 16, .class_mask = 0xff << 16, \
+	.driver_data = (kernel_ulong_t)(_info), \
+	.override_only = PCI_ID_F_VFIO_DRIVER_OVERRIDE, \
+}
 #endif
 
 #define INTEL_I810_IDS(MACRO__, ...) \
-- 
2.50.1