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Tue, 2 Mar 2021 20:48:29 +0000 (GMT) From: Dov Murik To: qemu-devel@nongnu.org Subject: [RFC PATCH 07/26] cpu: Add boolean aux field to CPUState Date: Tue, 2 Mar 2021 15:48:03 -0500 Message-Id: <20210302204822.81901-8-dovmurik@linux.vnet.ibm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210302204822.81901-1-dovmurik@linux.vnet.ibm.com> References: <20210302204822.81901-1-dovmurik@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-02_08:2021-03-01, 2021-03-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 priorityscore=1501 lowpriorityscore=0 clxscore=1015 adultscore=0 spamscore=0 phishscore=0 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103020156 Received-SPF: none client-ip=148.163.156.1; envelope-from=dovmurik@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tom Lendacky , Ashish Kalra , Brijesh Singh , Eduardo Habkost , James Bottomley , Jon Grimm , Tobin Feldman-Fitzthum , Dov Murik , Hubertus Franke , Tobin Feldman-Fitzthum Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The aux field indicates auxiliary CPUs. This will allow QEMU to act differently on auxilirary CPUs, for example pausing the VM while keeping the auxiliary CPUs running. Signed-off-by: Dov Murik --- include/hw/core/cpu.h | 2 ++ hw/core/cpu.c | 1 + 2 files changed, 3 insertions(+) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index c005d3dc2d..cdbb6462a3 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -430,6 +430,8 @@ struct CPUState { int hvf_fd; + bool aux; + /* track IOMMUs whose translations we've cached in the TCG TLB */ GArray *iommu_notifiers; }; diff --git a/hw/core/cpu.c b/hw/core/cpu.c index 00330ba07d..2100cb7f1a 100644 --- a/hw/core/cpu.c +++ b/hw/core/cpu.c @@ -387,6 +387,7 @@ static Property cpu_common_props[] = { MemoryRegion *), #endif DEFINE_PROP_BOOL("start-powered-off", CPUState, start_powered_off, false), + DEFINE_PROP_BOOL("aux", CPUState, aux, false), DEFINE_PROP_END_OF_LIST(), };