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a="65167436" X-IronPort-AV: E=Sophos;i="6.18,299,1751266800"; d="scan'208";a="65167436" X-CSE-ConnectionGUID: SzKgkaStTA2XU/LkjxfU/g== X-CSE-MsgGUID: BMSXHGg3Tiu+XLNMWgjaDA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,299,1751266800"; d="scan'208";a="177810810" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, steven.sistare@oracle.com, Zhenzhong Duan Subject: [PATCH v2 3/6] vfio/iommufd: Set cpr.ioas_id on source side for CPR transfer Date: Sun, 28 Sep 2025 04:54:29 -0400 Message-ID: <20250928085432.40107-4-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250928085432.40107-1-zhenzhong.duan@intel.com> References: <20250928085432.40107-1-zhenzhong.duan@intel.com> 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=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.12; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -47 X-Spam_score: -4.8 X-Spam_bar: ---- X-Spam_report: (-4.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.442, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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: 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: 1759049848450116600 Content-Type: text/plain; charset="utf-8" On source side, if there are more than one VFIO devices and they attach to same container, only the first device sets cpr.ioas_id, the others are bypassed. We should set it for each device, or else only first device works. Fixes: 4296ee07455e ("vfio/iommufd: reconstruct device") Signed-off-by: Zhenzhong Duan Reviewed-by: Steve Sistare --- hw/vfio/iommufd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index f0ffe23591..13c5c49d5e 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -602,7 +602,6 @@ skip_ioas_alloc: container->be =3D vbasedev->iommufd; container->ioas_id =3D ioas_id; QLIST_INIT(&container->hwpt_list); - vbasedev->cpr.ioas_id =3D ioas_id; =20 bcontainer =3D VFIO_IOMMU(container); vfio_address_space_insert(space, bcontainer); @@ -636,6 +635,8 @@ skip_ioas_alloc: bcontainer->initialized =3D true; =20 found_container: + vbasedev->cpr.ioas_id =3D container->ioas_id; + ret =3D ioctl(devfd, VFIO_DEVICE_GET_INFO, &dev_info); if (ret) { error_setg_errno(errp, errno, "error getting device info"); --=20 2.47.1