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Wed, 13 Dec 2023 15:30:23 +0000 Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3BDFQXop001263; Wed, 13 Dec 2023 15:30:23 GMT Received: from ca-dev63.us.oracle.com (ca-dev63.us.oracle.com [10.211.8.221]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3uvep8e0nt-2; Wed, 13 Dec 2023 15:30:23 +0000 From: Steve Sistare To: qemu-devel@nongnu.org Cc: Juan Quintela , Peter Xu , Paolo Bonzini , Thomas Huth , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Fabiano Rosas , Leonardo Bras , Steve Sistare Subject: [PATCH V8 01/12] cpus: vm_was_suspended Date: Wed, 13 Dec 2023 07:30:10 -0800 Message-Id: <1702481421-375368-2-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1702481421-375368-1-git-send-email-steven.sistare@oracle.com> References: <1702481421-375368-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-13_08,2023-12-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 mlxlogscore=999 adultscore=0 phishscore=0 suspectscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312130110 X-Proofpoint-GUID: smpv99_q4PdEo68o1HaZjSsI-Akh--Zn X-Proofpoint-ORIG-GUID: smpv99_q4PdEo68o1HaZjSsI-Akh--Zn Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.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, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a state variable to remember if a vm previously transitioned into a suspended state. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu --- include/sysemu/runstate.h | 2 ++ system/cpus.c | 15 +++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h index c8c2bd8..88a67e2 100644 --- a/include/sysemu/runstate.h +++ b/include/sysemu/runstate.h @@ -51,6 +51,8 @@ int vm_prepare_start(bool step_pending); int vm_stop(RunState state); int vm_stop_force_state(RunState state); int vm_shutdown(void); +void vm_set_suspended(bool suspended); +bool vm_get_suspended(void); typedef enum WakeupReason { /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ diff --git a/system/cpus.c b/system/cpus.c index a444a74..9f631ab 100644 --- a/system/cpus.c +++ b/system/cpus.c @@ -259,6 +259,21 @@ void cpu_interrupt(CPUState *cpu, int mask) } } +/* + * True if the vm was previously suspended, and has not been woken or reset. + */ +static int vm_was_suspended; + +void vm_set_suspended(bool suspended) +{ + vm_was_suspended = suspended; +} + +bool vm_get_suspended(void) +{ + return vm_was_suspended; +} + static int do_vm_stop(RunState state, bool send_stop) { int ret = 0;