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{ "id": 2195126, "url": "http://patchwork.ozlabs.org/api/covers/2195126/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260210134110.1515322-1-saif.abrar@linux.vnet.ibm.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260210134110.1515322-1-saif.abrar@linux.vnet.ibm.com>", "list_archive_url": null, "date": "2026-02-10T13:40:50", "name": "[v3,0/9] : pnv/phb4: Update PHB4 to the latest PHB5 spec", "submitter": { "id": 87200, "url": "http://patchwork.ozlabs.org/api/people/87200/?format=api", "name": "Saif Abrar", "email": "saif.abrar@linux.vnet.ibm.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260210134110.1515322-1-saif.abrar@linux.vnet.ibm.com/mbox/", "series": [ { "id": 491677, "url": "http://patchwork.ozlabs.org/api/series/491677/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491677", "date": "2026-02-10T13:40:52", "name": ": pnv/phb4: Update PHB4 to the latest PHB5 spec", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/491677/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2195126/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=Yu8stwK8;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n :content-transfer-encoding:content-type:date:from:in-reply-to\n :message-id:mime-version:references:subject:to; s=pp1; bh=9gsDkv\n Od86H0ynmtHAb3sWjiyDmjvmutki8NW5vzo0M=; b=Yu8stwK8KrgMmwjCmrl5Id\n EiqM4XwMFZ90tl+E6cC9ukEJP/y5oVOHT1QycF5PEDQvNZ8RoHxxp+S1KD17IQcS\n mK2Q3QdsVwcopI4Xcby1cT9YquijzXhYvIX3mF4vy+a7J4QM/Xbe0TldFKD8YXQQ\n m0uPl8UZG/HzeFDhNlg4/yxKW9YDN6EgO0AMgUZDDcntiwsmNUrqkwHIXjx6YRS4\n Z0j2FQwzfjq+1VE7DoIaS+2QpZ9M7hK5sUCvHsV7jpEQSnZcgk8/Frv1GtcDTu88\n xoL8Wg+1JCqB1VhT/X8qs6kvoByFkwlxam3IBa9YJTf72d7NL1k6wAPhjTNwgKYw\n ==", "From": "Saif Abrar <saif.abrar@linux.vnet.ibm.com>", "To": "qemu-ppc@nongnu.org, qemu-devel@nongnu.org", "Cc": "clg@kaod.org, npiggin@gmail.com, fbarrat@linux.ibm.com, mst@redhat.com,\n marcel.apfelbaum@gmail.com, cohuck@redhat.com, pbonzini@redhat.com,\n thuth@redhat.com, lvivier@redhat.com, danielhb413@gmail.com,\n saif.abrar@linux.vnet.ibm.com", "Subject": "[PATCH v3 0/9] : pnv/phb4: Update PHB4 to the latest PHB5 spec", "Date": "Tue, 10 Feb 2026 07:40:50 -0600", "Message-ID": "<20260210134110.1515322-1-saif.abrar@linux.vnet.ibm.com>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20251230102156.886288-1-saif.abrar@linux.vnet.ibm.com>", "References": "<20251230102156.886288-1-saif.abrar@linux.vnet.ibm.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-Reinject": "loops=2 maxloops=12", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjEwMDExMiBTYWx0ZWRfX8qMLXYdHSTrO\n DDUzLwnPkDDlvQOUZKH5WffZ9Scj717rUAd5I7NJgic5VtrHoLk+SGdUi9rTJGSjth7GK06WQEN\n 1HPnf3k5JSaoL8TWOKFl1nWnufg9RJbZQdlAk/V4VSprMauqQGJpG7F5Rvm/xvGW5VfP5ukOBL+\n a5bmrEWFDKoOiZzGtdjxTmLCgHW4Oj3akZU3D+t7CYgnbWm4hmOXbEQbWox3GzUnxP8MZS/uU3K\n wuk8CI2DhCtn9FmRdG4A5YEcfJZzpMtzsOXKhfSxuiChAp51OPJnIH3s2nO4GcntLRVkJKURiEi\n PU3HRocHJHu7x4wwjn3xy1c7rsSztMfwuKzzK7po9EetOLdoUgeTxCmuzUHwgwq6I07SbDiTSpG\n 2V4YBl6pp3lzv17IHWj+5LTho4Nm6FIUZO2CEp0FF1pMjYdMvxI8Qygn4oPbsyTAnUikCn4LUmI\n e1LpmDX1tg1pn6HR31w==", "X-Proofpoint-ORIG-GUID": "lEB35GVerIytjcCJq1vzi9jkZJ2uYmpW", "X-Proofpoint-GUID": "gOPs8SXQYPhKZT_1w2lDspMnQFu5gumx", "X-Authority-Analysis": "v=2.4 cv=O+Y0fR9W c=1 sm=1 tr=0 ts=698b358a cx=c_pps\n a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17\n a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22\n a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=mDV3o1hIAAAA:8\n a=MPXgO6Mk5SgahTVVPB0A:9 a=QEXdDO2ut3YA:10", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-02-10_01,2026-02-10_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n lowpriorityscore=0 priorityscore=1501 phishscore=0 adultscore=0\n malwarescore=0 impostorscore=0 bulkscore=0 clxscore=1015 spamscore=0\n suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2602100112", "Received-SPF": "none client-ip=148.163.158.5;\n envelope-from=saif.abrar@linux.vnet.ibm.com; helo=mx0b-001b2d01.pphosted.com", "X-Spam_score_int": "-19", "X-Spam_score": "-2.0", "X-Spam_bar": "--", "X-Spam_report": "(-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Hello,\n\nAddressing the review comments for the series v2:\nhttps://lists.gnu.org/archive/html/qemu-devel/2025-12/msg03768.html\n\nThis series updates the existing PHB4 model to the latest spec:\n\"Power Systems Host Bridge 5 (PHB5) Functional Specification Version 0.5_00\".\n\nUpdates include the following:\n- implemented sticky reset logic\n- implemented read-only, write-only, W1C and WxC logic\n- return all 1's on read to unimplemented registers\n- update PCIE registers for link status, speed and width\n- implement IODA PCT debug table without any functionality\n- update LSI Source-ID register based on small/big PHB number of interrupts\n\nAlso, a new testbench for PHB4 model is added that does XSCOM read/writes\nto various registers of interest and verifies the values.\n\nRegards.\n\nSaif Abrar (9):\n qtest/phb4: Add testbench for PHB4\n pnv/phb4: Add reset logic to PHB4\n pnv/phb4: Implement sticky reset logic in PHB4\n pnv/phb4: Implement read-only and write-only bits of registers\n pnv/phb4: Implement write-clear and return 1's on unimplemented reg read\n pnv/phb4: Set link-active status in HPSTAT and LMR registers\n pnv/phb4: Set link speed and width in the DLP training control register\n pnv/phb4: Implement IODA PCT table\n pnv/phb4: Mask off LSI Source-ID based on number of interrupts\n\n hw/pci-host/pnv_phb.c | 1 +\n hw/pci-host/pnv_phb4.c | 583 +++++++++++++++++++++++++---\n include/hw/pci-host/pnv_phb4.h | 16 +-\n include/hw/pci-host/pnv_phb4_regs.h | 66 +++-\n tests/qtest/meson.build | 1 +\n tests/qtest/pnv-phb4-test.c | 228 +++++++++++\n 6 files changed, 837 insertions(+), 58 deletions(-)\n create mode 100644 tests/qtest/pnv-phb4-test.c" }