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GET /api/patches/2218895/?format=api
{ "id": 2218895, "url": "http://patchwork.ozlabs.org/api/patches/2218895/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402022921.298818-3-kshk@linux.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": "<20260402022921.298818-3-kshk@linux.ibm.com>", "list_archive_url": null, "date": "2026-04-02T02:29:08", "name": "[02/15] s390x/pci: Create function to contain translation status check", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a09ce7fdf6f1bc8853c9f43cbf06ec5d9cd77fbe", "submitter": { "id": 90249, "url": "http://patchwork.ozlabs.org/api/people/90249/?format=api", "name": "Konstantin Shkolnyy", "email": "kshk@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402022921.298818-3-kshk@linux.ibm.com/mbox/", "series": [ { "id": 498419, "url": "http://patchwork.ozlabs.org/api/series/498419/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498419", "date": "2026-04-02T02:29:08", "name": "s390x/pci: Implement migration for emulated devices", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498419/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218895/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218895/checks/", "tags": {}, "related": [], "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=NLPWrDci;\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:date:from:in-reply-to:message-id\n :mime-version:references:subject:to; s=pp1; bh=2nAuGIzcGNveeUJaf\n 4mJJ38OhIA5CorGjubqRHHjhZ8=; b=NLPWrDciDIkl4PsB+Z+mHRHeWYsYZi2Ja\n WelER1831fPNJZC0xRFQL60d3gfnCZ7Hn9JLlGuhG3odsmp1BCj2TzN9Um+hkyrF\n JHG9GcBEFnDcAwtacTGEQSW8s4FWGJ2WRec2OyHyf5nk8RLAuojeUKLxtcE8gV7A\n qnj0CexhwRKTpGav1w+R2tSfqFI+YxvR6iQCTRE9iAlFHPpGVn5ASutT1PqvkGtT\n En8u/yLmmlG39bN8llsAFe4VnmrgXCrWFwnrwZ8KAVbevr9mee4qCQRz9DPC+FnD\n Rq2vgrkBAjA/WcJcVMd+tWAh73Qcn8SZhsSQ717nqdiEFFXc7YhsA==", "From": "Konstantin Shkolnyy <kshk@linux.ibm.com>", "To": "mjrosato@linux.ibm.com", "Cc": "alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com,\n david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com,\n borntraeger@linux.ibm.com, qemu-s390x@nongnu.org,\n qemu-devel@nongnu.org, Konstantin Shkolnyy <kshk@linux.ibm.com>", "Subject": "[PATCH 02/15] s390x/pci: Create function to contain translation\n status check", "Date": "Wed, 1 Apr 2026 21:29:08 -0500", "Message-Id": "<20260402022921.298818-3-kshk@linux.ibm.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260402022921.298818-1-kshk@linux.ibm.com>", "References": "<20260402022921.298818-1-kshk@linux.ibm.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Authority-Analysis": "v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cdd4a2 cx=c_pps\n a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17\n a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=aCv-BzsnQx_gTHabB28A:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX5niHhBrBqYXQ\n IzPtOF7m27HTh4KagUm8I1b7DRfFOqDSf3LBJfJBRVh+2mC+HhniY0iePUYdsT2YGBS+TlG/Yk4\n OsQgOGzn3a8a2gN9L5DfqDqQtFYszKAhyTrUaU2LKpwMr/wYl98atv0K47ivSYy1tpFm30d4cjk\n wICK1KVdJ2LFR5Znm8cIlhvoyLRI9/g+qNZUVOJWn01avV/Zt7t1ziLjGoqItQ61jm9f7TsKn8x\n vm7Z9fv9xczjkv+kERxjNxRkAuGZnp8ZPtY+qlR6Z565QYRPDrhjiiHOI+AhK3B1GYBmnBe7DrF\n 8yMYvX0htOKQBvkFdc4ajtOyRrl53KELxZJ9kWOEtRN51qipKNQLVaLHBGTtWaZQ2qoFbKc4VKU\n 4jR7luOM8AwSYUH1DV98O3iC1FxSL1USz6hkzjQsQqB1BLPbyv4qN9gP6e72X0EzNbawF9U4c1Z\n 4C6a1w65tHfe7mXA/hw==", "X-Proofpoint-GUID": "bJt34xR9ATA-_JbR33aWrVNOlWS51Tl8", "X-Proofpoint-ORIG-GUID": "bJt34xR9ATA-_JbR33aWrVNOlWS51Tl8", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n suspectscore=0 clxscore=1011 adultscore=0 priorityscore=1501 bulkscore=0\n phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019", "Received-SPF": "pass client-ip=148.163.158.5; envelope-from=kshk@linux.ibm.com;\n helo=mx0b-001b2d01.pphosted.com", "X-Spam_score_int": "-6", "X-Spam_score": "-0.7", "X-Spam_bar": "/", "X-Spam_report": "(-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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": "Make it more clear what the bit means, and the new function will be called\nfrom yet another place in the future.\n\nSigned-off-by: Konstantin Shkolnyy <kshk@linux.ibm.com>\n---\n hw/s390x/s390-pci-inst.c | 7 ++++++-\n include/hw/s390x/s390-pci-bus.h | 1 +\n 2 files changed, 7 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c\nindex 1834596076..7c784b31f3 100644\n--- a/hw/s390x/s390-pci-inst.c\n+++ b/hw/s390x/s390-pci-inst.c\n@@ -993,6 +993,11 @@ int pci_dereg_irqs(S390PCIBusDevice *pbdev)\n return 0;\n }\n \n+bool s390_pci_is_translation_enabled(uint64_t g_iota)\n+{\n+ return ((g_iota >> 11) & 0x1) != 0; /* \"T\" bit */\n+}\n+\n static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib,\n uintptr_t ra)\n {\n@@ -1001,7 +1006,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib,\n uint64_t pal = ldq_be_p(&fib.pal);\n uint64_t g_iota = ldq_be_p(&fib.iota);\n uint8_t dt = (g_iota >> 2) & 0x7;\n- uint8_t t = (g_iota >> 11) & 0x1;\n+ bool t = s390_pci_is_translation_enabled(g_iota);\n \n pba &= ~0xfff;\n pal |= 0xfff;\ndiff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bus.h\nindex 9228523ce8..eb15cb8b2d 100644\n--- a/include/hw/s390x/s390-pci-bus.h\n+++ b/include/hw/s390x/s390-pci-bus.h\n@@ -390,6 +390,7 @@ int pci_chsc_sei_nt2_get_event(void *res);\n int pci_chsc_sei_nt2_have_event(void);\n void s390_pci_sclp_configure(SCCB *sccb);\n void s390_pci_sclp_deconfigure(SCCB *sccb);\n+bool s390_pci_is_translation_enabled(uint64_t g_iota);\n void s390_pci_iommu_enable(S390PCIIOMMU *iommu);\n void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu);\n void s390_pci_iommu_disable(S390PCIIOMMU *iommu);\n", "prefixes": [ "02/15" ] }