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GET /api/patches/815019/?format=api
{ "id": 815019, "url": "http://patchwork.ozlabs.org/api/patches/815019/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170918160012.4317-19-david@redhat.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": "<20170918160012.4317-19-david@redhat.com>", "list_archive_url": null, "date": "2017-09-18T16:00:03", "name": "[v1,18/27] s390x/tcg: implement SIGP SENSE RUNNING STATUS", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a16c53c3f620524bf9024a69eeb7f8dcc1973f0a", "submitter": { "id": 70402, "url": "http://patchwork.ozlabs.org/api/people/70402/?format=api", "name": "David Hildenbrand", "email": "david@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170918160012.4317-19-david@redhat.com/mbox/", "series": [ { "id": 3672, "url": "http://patchwork.ozlabs.org/api/series/3672/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3672", "date": "2017-09-18T15:59:45", "name": "s390x: SMP for TCG (+ cleanups)", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3672/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/815019/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/815019/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@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=208.118.235.17; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx06.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx06.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=david@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [208.118.235.17])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xwrn462hPz9s78\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 19 Sep 2017 02:19:34 +1000 (AEST)", "from localhost ([::1]:37661 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dtylg-00065K-Df\n\tfor incoming@patchwork.ozlabs.org; Mon, 18 Sep 2017 12:19:32 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:37855)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from 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"OpenDMARC Filter v1.3.2 mx1.redhat.com 7192A3E2B1", "From": "David Hildenbrand <david@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Mon, 18 Sep 2017 18:00:03 +0200", "Message-Id": "<20170918160012.4317-19-david@redhat.com>", "In-Reply-To": "<20170918160012.4317-1-david@redhat.com>", "References": "<20170918160012.4317-1-david@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.15", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.30]);\n\tMon, 18 Sep 2017 16:01:47 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH v1 18/27] s390x/tcg: implement SIGP SENSE\n\tRUNNING STATUS", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://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\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Matthew Rosato <mjrosato@linux.vnet.ibm.com>, thuth@redhat.com,\n\tdavid@redhat.com, cohuck@redhat.com, Richard Henderson\n\t<richard.henderson@linaro.org>, Alexander Graf <agraf@suse.de>,\n\tborntraeger@de.ibm.com, \tIgor Mammedov <imammedo@redhat.com>,\n\t=?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>,\n\tAurelien Jarno <aurelien@aurel32.net>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Preparation for TCG, for KVM is this is completely handled in the\nkernel.\n\nSigned-off-by: David Hildenbrand <david@redhat.com>\n---\n target/s390x/cpu.h | 2 ++\n target/s390x/sigp.c | 25 +++++++++++++++++++++++++\n 2 files changed, 27 insertions(+)", "diff": "diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h\nindex 5d03802c7d..5aa755d7b5 100644\n--- a/target/s390x/cpu.h\n+++ b/target/s390x/cpu.h\n@@ -594,6 +594,7 @@ struct sysib_322 {\n #define SIGP_SET_PREFIX 0x0d\n #define SIGP_STORE_STATUS_ADDR 0x0e\n #define SIGP_SET_ARCH 0x12\n+#define SIGP_SENSE_RUNNING 0x15\n #define SIGP_STORE_ADTL_STATUS 0x17\n \n /* SIGP condition codes */\n@@ -604,6 +605,7 @@ struct sysib_322 {\n \n /* SIGP status bits */\n #define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL\n+#define SIGP_STAT_NOT_RUNNING 0x00000400UL\n #define SIGP_STAT_INCORRECT_STATE 0x00000200UL\n #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL\n #define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL\ndiff --git a/target/s390x/sigp.c b/target/s390x/sigp.c\nindex 9587c3d319..c57312b743 100644\n--- a/target/s390x/sigp.c\n+++ b/target/s390x/sigp.c\n@@ -234,6 +234,28 @@ static void sigp_set_prefix(CPUState *cs, run_on_cpu_data arg)\n si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;\n }\n \n+static void sigp_sense_running(S390CPU *dst_cpu, SigpInfo *si)\n+{\n+ if (!tcg_enabled()) {\n+ /* handled in KVM */\n+ set_sigp_status(si, SIGP_STAT_INVALID_ORDER);\n+ return;\n+ }\n+\n+ /* sensing without locks is racy, but it's the same for real hw */\n+ if (!s390_has_feat(S390_FEAT_SENSE_RUNNING_STATUS)) {\n+ set_sigp_status(si, SIGP_STAT_INVALID_ORDER);\n+ return;\n+ }\n+\n+ /* If halted (which includes also STOPPED), it is not running */\n+ if (CPU(dst_cpu)->halted) {\n+ si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;\n+ } else {\n+ set_sigp_status(si, SIGP_STAT_NOT_RUNNING);\n+ }\n+}\n+\n static int handle_sigp_single_dst(S390CPU *dst_cpu, uint8_t order,\n uint64_t param, uint64_t *status_reg)\n {\n@@ -282,6 +304,9 @@ static int handle_sigp_single_dst(S390CPU *dst_cpu, uint8_t order,\n case SIGP_CPU_RESET:\n run_on_cpu(CPU(dst_cpu), sigp_cpu_reset, RUN_ON_CPU_HOST_PTR(&si));\n break;\n+ case SIGP_SENSE_RUNNING:\n+ sigp_sense_running(dst_cpu, &si);\n+ break;\n default:\n set_sigp_status(&si, SIGP_STAT_INVALID_ORDER);\n }\n", "prefixes": [ "v1", "18/27" ] }