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GET /api/patches/2195141/?format=api
{ "id": 2195141, "url": "http://patchwork.ozlabs.org/api/patches/2195141/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260210134647.2050821-2-calebs@linux.ibm.com/", "project": { "id": 69, "url": "http://patchwork.ozlabs.org/api/projects/69/?format=api", "name": "QEMU powerpc development", "link_name": "qemu-ppc", "list_id": "qemu-ppc.nongnu.org", "list_email": "qemu-ppc@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260210134647.2050821-2-calebs@linux.ibm.com>", "list_archive_url": null, "date": "2026-02-10T13:46:45", "name": "[v2,1/3] ppc/pnv: Support for SECURITY_SWITCH XSCOM register access", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a110fe52c6233584f456367a6363d7e61e424f12", "submitter": { "id": 90855, "url": "http://patchwork.ozlabs.org/api/people/90855/?format=api", "name": "Caleb Schlossin", "email": "calebs@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260210134647.2050821-2-calebs@linux.ibm.com/mbox/", "series": [ { "id": 491678, "url": "http://patchwork.ozlabs.org/api/series/491678/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-ppc/list/?series=491678", "date": "2026-02-10T13:46:45", "name": "Power10 PowerVM bringup fixes", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/491678/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195141/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195141/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-ppc-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 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h=cc\n :content-transfer-encoding:date:from:in-reply-to:message-id\n :mime-version:references:subject:to; s=pp1; bh=tonqQxpDYymXiBUyk\n 0RFFwd1nyWBs1fbOrHzGLAxTyQ=; b=XtYT1a27YL47bbLb5C8vbmfe0NtjbAIDe\n 0ku/QQketosQwZ560C/Dno2OOhLsXorJD83o+JY2yIKqcNFkNVYJVQNJa3L1J0Be\n 6Qmmceph1W0cSK5DxzwW4TaJ+cA26bWM5ivexZh0115GsRt+kU5xksqC3aqaNrpG\n 8la6qb0MBL8/upeVINt2qXcYUOtJTurilylZyJZq3PLYwhYqRX8YdQVMq5bPrXdl\n hYUEKiOdhVoNBlSd8FD6cSuXtDDVykCanl/ZK8bUrOdHNVCtK8N3nMwyeGrDgmJI\n yWUdjyByadNBSbdIYe4NEpIVEB2I+aNCsJLvPSoF2KhWWS6qPxIFA==", "From": "Caleb Schlossin <calebs@linux.ibm.com>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-ppc@nongnu.org, npiggin@gmail.com, adityag@linux.ibm.com,\n milesg@linux.ibm.com, chalapathi.v@linux.ibm.com,\n harshpb@linux.ibm.com, calebs@linux.ibm.com", "Subject": "[PATCH v2 1/3] ppc/pnv: Support for SECURITY_SWITCH XSCOM register\n access", "Date": "Tue, 10 Feb 2026 07:46:45 -0600", "Message-ID": "<20260210134647.2050821-2-calebs@linux.ibm.com>", "X-Mailer": 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"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_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-ppc@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<qemu-ppc.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-ppc>,\n <mailto:qemu-ppc-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-ppc>", "List-Post": "<mailto:qemu-ppc@nongnu.org>", "List-Help": "<mailto:qemu-ppc-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-ppc>,\n <mailto:qemu-ppc-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Power Hypervisor code requires access to the SECURITY_SWITCH\nXSCOM register at MMIO address 0x80028 (scom address 0x10005).\nAdding basic read support for now so that is doesn't cause\nerror messages to be posted.\n\nReviewed-by: Chalapathi V <chalapathi.v@linux.ibm.com>\nReviewed-by: Glenn Miles <milesg@linux.ibm.com>\nReviewed-by: Aditya Gupta <adityag@linux.ibm.com>\nSigned-off-by: Glenn Miles <milesg@linux.ibm.com>\nSigned-off-by: Caleb Schlossin <calebs@linux.ibm.com>\n---\n hw/ppc/pnv_xscom.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/hw/ppc/pnv_xscom.c b/hw/ppc/pnv_xscom.c\nindex 8557b560ae..dc1ffc6c01 100644\n--- a/hw/ppc/pnv_xscom.c\n+++ b/hw/ppc/pnv_xscom.c\n@@ -61,6 +61,8 @@ static uint32_t pnv_xscom_pcba(PnvChip *chip, uint64_t addr)\n static uint64_t xscom_read_default(PnvChip *chip, uint32_t pcba)\n {\n switch (pcba) {\n+ case 0x10005: /* SECURITY SWITCH */\n+ return 0;\n case 0xf000f:\n return PNV_CHIP_GET_CLASS(chip)->chip_cfam_id;\n case 0x18002: /* ECID2 */\n", "prefixes": [ "v2", "1/3" ] }