From nobody Tue Feb 10 05:10:38 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1498467785882662.952418708934; Mon, 26 Jun 2017 02:03:05 -0700 (PDT) Received: from localhost ([::1]:45384 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPPvD-0005Qi-Dm for importer@patchew.org; Mon, 26 Jun 2017 05:03:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46305) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPPrT-0001vO-KF for qemu-devel@nongnu.org; Mon, 26 Jun 2017 04:59:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dPPrR-0004QW-MA for qemu-devel@nongnu.org; Mon, 26 Jun 2017 04:59:11 -0400 Received: from mga11.intel.com ([192.55.52.93]:49171) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dPPrR-0004Oi-Bm for qemu-devel@nongnu.org; Mon, 26 Jun 2017 04:59:09 -0400 Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Jun 2017 01:59:07 -0700 Received: from yzhang13-kvm.sh.intel.com ([10.239.36.121]) by fmsmga006.fm.intel.com with ESMTP; 26 Jun 2017 01:59:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,394,1493708400"; d="scan'208";a="119263365" From: Yulei Zhang To: qemu-devel@nongnu.org Date: Tue, 4 Apr 2017 18:32:54 +0800 Message-Id: <1491301977-24481-7-git-send-email-yulei.zhang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491301977-24481-1-git-send-email-yulei.zhang@intel.com> References: <1491301977-24481-1-git-send-email-yulei.zhang@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [Intel-gfx][RFC 6/9] drm/i915/gvt: Introduce new flag to indicate migration capability X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kevin.tian@intel.com, joonas.lahtinen@linux.intel.com, zhenyuw@linux.intel.com, Yulei Zhang , xiao.zheng@intel.com, zhi.a.wang@intel.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" New device flag VFIO_DEVICE_FLAGS_MIGRATABLE is added for vfio mdev device vGPU to claim the capability for live migration. Signed-off-by: Yulei Zhang --- drivers/gpu/drm/i915/gvt/kvmgt.c | 1 + include/uapi/linux/vfio.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kv= mgt.c index d2b13ae..c44b319 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -940,6 +940,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, = unsigned int cmd, =20 info.flags =3D VFIO_DEVICE_FLAGS_PCI; info.flags |=3D VFIO_DEVICE_FLAGS_RESET; + info.flags |=3D VFIO_DEVICE_FLAGS_MIGRATABLE; info.num_regions =3D VFIO_PCI_NUM_REGIONS; info.num_irqs =3D VFIO_PCI_NUM_IRQS; =20 diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index ae46105..9ad9ce1 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -199,6 +199,7 @@ struct vfio_device_info { #define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2) /* vfio-platform device */ #define VFIO_DEVICE_FLAGS_AMBA (1 << 3) /* vfio-amba device */ #define VFIO_DEVICE_FLAGS_CCW (1 << 4) /* vfio-ccw device */ +#define VFIO_DEVICE_FLAGS_MIGRATABLE (1 << 5) /* Device supports migrate= */ __u32 num_regions; /* Max region index + 1 */ __u32 num_irqs; /* Max IRQ index + 1 */ }; --=20 2.7.4