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Mon, 13 Nov 2023 18:34:07 +0000 Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3ADIY2Ja026498; Mon, 13 Nov 2023 18:34:07 GMT Received: from ca-dev63.us.oracle.com (ca-dev63.us.oracle.com [10.211.8.221]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 3ub5k23k09-5; Mon, 13 Nov 2023 18:34:07 +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 V5 04/12] cpus: start vm in suspended state Date: Mon, 13 Nov 2023 10:33:52 -0800 Message-Id: <1699900440-207345-5-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1699900440-207345-1-git-send-email-steven.sistare@oracle.com> References: <1699900440-207345-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-13_09,2023-11-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 phishscore=0 bulkscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311130151 X-Proofpoint-ORIG-GUID: tJyye2gBEq5KeRVstInNmnf31ZXUDUqy X-Proofpoint-GUID: tJyye2gBEq5KeRVstInNmnf31ZXUDUqy 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 Provide the vm_resume helper which resumes the vm in the requested state, correctly restoring the suspended state. Signed-off-by: Steve Sistare Reviewed-by: Fabiano Rosas --- include/sysemu/runstate.h | 8 ++++++++ system/cpus.c | 11 +++++++++++ 2 files changed, 19 insertions(+) diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h index 9e78c7f..3fa28a4 100644 --- a/include/sysemu/runstate.h +++ b/include/sysemu/runstate.h @@ -50,6 +50,14 @@ void vm_start(void); */ int vm_prepare_start(bool step_pending, RunState state); +/** + * vm_resume: If @state is a running state, start the vm and set the state, + * else just set the state. + * + * @state: the state to restore + */ +void vm_resume(RunState state); + int vm_stop(RunState state); int vm_stop_force_state(RunState state); int vm_shutdown(void); diff --git a/system/cpus.c b/system/cpus.c index 4d05d83..1d867bb 100644 --- a/system/cpus.c +++ b/system/cpus.c @@ -725,6 +725,17 @@ void vm_start(void) } } +void vm_resume(RunState state) +{ + if (state == RUN_STATE_RUNNING) { + vm_start(); + } else if (state == RUN_STATE_SUSPENDED) { + vm_prepare_start(false, state); + } else { + runstate_set(state); + } +} + /* does a state transition even if the VM is already stopped, current state is forgotten forever */ int vm_stop_force_state(RunState state)