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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4950a2f9402sm99863185e9.13.2026.07.14.12.35.26 for (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 14 Jul 2026 12:35:27 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 01/13] hw/sparc64/sun4u: Mark unusable PCI busses as full to ease device plugging Date: Tue, 14 Jul 2026 21:35:05 +0200 Message-ID: <20260714193517.60708-2-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260714193517.60708-1-philmd@oss.qualcomm.com> References: <20260714193517.60708-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDIwMiBTYWx0ZWRfX6crcJZqJZsLZ w+/X6cGUoBkr2oPHl2kSjI20zZcaedABu9WLn0FII+iKr2xSIPqioSS5/y2tH+/euespxDnByPj JQP4jGk3Czn1ZAtbkABo1dqNs8j5Tl34nwP6xeqg9sxHnrS641/jdQhBMIerVbptSfir93Nh/SY VsSNgn/Io5Ru+lYjdDkSBd3GGqVtGqzxGf1Yh8+iKW7e1L2dhrwT1WiXcuv9WBl+nwSpx7XV2oa M+OlLnP77Y3LsbsPDQg4/JcBWxwq37h1kJj4VInFQeJ9UYDZwMepot+tTaDe4fwWZbydze4okVB ncwuQG420Fcq9+jzZcvpyGZmGIPxcg3OdF3GdqsyKGafhLNYXuPCcV42s+uOSgNwl5e+a1DMDku wK6B+XyCO8cqEdiW9hzEEkV1WzuephzWi4Ej4feW4STdsljwDOVbZdx+/svfaSFPA1ulQfbgMQN vQTbmgLcnFrzjzf5WCg== X-Proofpoint-ORIG-GUID: sBWckII6mFn7SwP1JSL22moD2Ke7huJF X-Proofpoint-GUID: sBWckII6mFn7SwP1JSL22moD2Ke7huJF X-Authority-Analysis: v=2.4 cv=E+79Y6dl c=1 sm=1 tr=0 ts=6a568f81 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=20KFwNOVAAAA:8 a=EUspDBNiAAAA:8 a=07aRgWtaSAiwv9DsM3QA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDIwMiBTYWx0ZWRfX9am6hmmnjf+l Y9ZcfZNd5T8y2d9AtrJjyaOiFvvLf0nY/Y96kDT1VgmoS/wo1L/NL2fWwd849FaIJg3WMapCYx3 9U96GOnxEH7NRkwYUwH+PXHYXv/sS0U= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-14_05,2026-07-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 impostorscore=0 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140202 Received-SPF: pass client-ip=205.220.168.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Thomas Huth When trying to plug a PCI device to a Sparc64 machine, you currently have to specify the right bus ("bus=pciB"), otherwise you get this error: $ qemu-system-sparc64 -device virtio-scsi-pci qemu-system-sparc64: -device virtio-scsi-pci: PCI: no slot/function available for virtio-scsi-pci, all in use or reserved This is quite annoying for the unexperienced users, and it also breaks e.g. the iotests ("make check-block") when running with qemu-system-sparc64. Mark the non-usable PCI busses as full now, so that QEMU can automatically plug new PCI devices to the right "pciB" bus. Signed-off-by: Thomas Huth Message-ID: <20260309181452.83702-1-thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé --- hw/sparc64/sun4u.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c index d69ed9a81ac..a348096aee6 100644 --- a/hw/sparc64/sun4u.c +++ b/hw/sparc64/sun4u.c @@ -719,6 +719,13 @@ static void sun4uv_init(MemoryRegion *address_space_mem, fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); + + /* + * Mark internal PCI busses as full so that the plugging of additional + * PCI devices happens on the right bus that still has free slots: + */ + qbus_mark_full(&pci_bus->qbus); + qbus_mark_full(&pci_busA->qbus); } enum { -- 2.53.0