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a="93768028" X-IronPort-AV: E=Sophos;i="6.27,128,1787036400"; d="scan'208";a="93768028" X-CSE-ConnectionGUID: 5vD66DsGTf+gfFsVhwgIOA== X-CSE-MsgGUID: Rh8CsiViSqeDU9HNa/3kyw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,128,1787036400"; d="scan'208";a="302937407" From: Yuan Wang To: qemu-devel@nongnu.org Cc: alex@shazbot.org, clg@redhat.com, tomitamoeko@gmail.com, bosheng.xue@intel.com, Yuan Wang Subject: [PATCH v1] vfio/igd: Update igd-assign.txt for Intel MTL and newer platforms Date: Mon, 28 Sep 2026 16:42:26 +0800 Message-Id: <20260928084226.3537126-1-yuan1.wang@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=192.198.163.13; envelope-from=yuan1.wang@intel.com; helo=mgamail.intel.com X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1790584989811158500 Content-Type: text/plain; charset="utf-8" Update the igd-assign.txt documentation to reflect the addition of the 0006 patch in the ECI repository. This patch is required to enable support for Meteor Lake (MTL) and subsequent Intel platforms. Starting from MTL, the hardware-accessible BDSM (Base of Data Stolen Memory) register in the PCI configuration space has been removed. Instead, IGD devices now access stolen memory via MMIO BAR2 (LMEMBAR). Consequently, guest firmware no longer needs to program the legacy BDSM register. Reviewed-by: Bosheng Xue Signed-off-by: Yuan Wang --- Note: We added a patch to the ECI website to skip the DSM zero-size check as the sixth patch. Accordingly, we updated igd-assign.txt to reflect this change. Link: https://eci.intel.com/docs/3.3/components/kvm-hypervisor.html --- docs/igd-assign.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/igd-assign.txt b/docs/igd-assign.txt index e54040335b..b9abfdbac3 100644 --- a/docs/igd-assign.txt +++ b/docs/igd-assign.txt @@ -263,6 +263,6 @@ Footnotes [2] # echo "vfio-pci" > /sys/bus/pci/devices/0000:00:02.0/driver_override [3] https://web.archive.org/web/20240827012422/https://bugzilla.tianocore.= org/show_bug.cgi?id=3D935 Tianocore bugzilla was down since Jan 2025 :( -[4] https://eci.intel.com/docs/3.3/components/kvm-hypervisor.html, Patch 0= 001-0004 +[4] https://eci.intel.com/docs/3.3/components/kvm-hypervisor.html, Patch 0= 001-0004, 0006 [5] https://github.com/tomitamoeko/VfioIgdPkg [6] https://winraid.level1techs.com/t/tool-guide-news-uefi-bios-updater-ub= u/30357 --=20 2.34.1