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b=SeLERxuqgvRjCG7I45dxSkCsAWI9ZcNq+8DtEdKYTV/QMz4TW8YbhwxEmdmt0zk+WfJc LUwweS9A+Td6ggoKk5NIoPydUaIVpvOHBYUQFLMe3AFk9VBTHLeguLXdePU+hAt4BRzw Y0tX6CIFJxi0GK3ZP5c0trvQx2huNpctDCq3Su7hydkuU+LsvdKouF8nBLmY/zdOzMhu zyk0ZPOZKF2md8E0eqzmAxHyrsB6Bt2AwEy56q/mZvUnoeEWAMt0cQL52lwT9b3AYmH5 9/QhAjb3Ytjuoaq1BX4YCTA3aBmKoMTjtOCEf60ZKazA++AfbSq5bEjYwVdFTLyRlpU0 Aw== From: Matthew Rosato To: qemu-s390x@nongnu.org Subject: [PATCH 01/12] s390x/pci: use a reserved ID for the default PCI group Date: Tue, 7 Dec 2021 16:04:14 -0500 Message-Id: <20211207210425.150923-2-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211207210425.150923-1-mjrosato@linux.ibm.com> References: <20211207210425.150923-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: DagEidRJ8c7TaL2qxdYdPF7ul_ZSxmcd X-Proofpoint-ORIG-GUID: -D1GxPlRp-N75_vyrO2UWiOTJMvtLC3i X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-07_08,2021-12-06_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 clxscore=1015 phishscore=0 mlxlogscore=999 adultscore=0 spamscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112070128 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" The current default PCI group being used can technically collide with a real group ID passed from a hostdev. Let's instead use a group ID that comes from a special pool (0xF0-0xFF) that is architected to be reserved for simulated devices. Fixes: 28dc86a072 ("s390x/pci: use a PCI Group structure") Reviewed-by: Eric Farman Reviewed-by: Pierre Morel Signed-off-by: Matthew Rosato Acked-by: Thomas Huth --- include/hw/s390x/s390-pci-bus.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index aa891c178d..2727e7bdef 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -313,7 +313,7 @@ typedef struct ZpciFmb { } ZpciFmb; QEMU_BUILD_BUG_MSG(offsetof(ZpciFmb, fmt0) !=3D 48, "padding in ZpciFmb"); =20 -#define ZPCI_DEFAULT_FN_GRP 0x20 +#define ZPCI_DEFAULT_FN_GRP 0xFF typedef struct S390PCIGroup { ClpRspQueryPciGrp zpci_group; int id; --=20 2.27.0