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Date: Thu, 12 Oct 2023 16:19:50 +0530 Message-Id: <20231012104951.194876-14-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20231012104951.194876-1-harshpb@linux.ibm.com> References: <20231012104951.194876-1-harshpb@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: N8cv2iXT03Nw7kHbxJhC1ocXNOGuxFtu X-Proofpoint-GUID: e6vh9VnoBtDkUVzJsgm9fuhWkYmDjkla X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-12_05,2023-10-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 priorityscore=1501 phishscore=0 mlxlogscore=506 spamscore=0 bulkscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310120088 Received-SPF: pass client-ip=148.163.158.5; envelope-from=harshpb@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 spapr_exit_nested gets triggered on a nested guest exit and currently being used only for nested-hv API. Isolating code flows based on API helps extending it to be used with nested PAPR API as well. Signed-off-by: Harsh Prateek Bora Reviewed-by: Nicholas Piggin --- hw/ppc/spapr_nested.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c index 607fb7ead2..e2d0cb5559 100644 --- a/hw/ppc/spapr_nested.c +++ b/hw/ppc/spapr_nested.c @@ -325,7 +325,7 @@ static target_ulong h_enter_nested(PowerPCCPU *cpu, return env->gpr[3]; } -void spapr_exit_nested(PowerPCCPU *cpu, int excp) +static void spapr_exit_nested_hv(PowerPCCPU *cpu, int excp) { CPUPPCState *env = &cpu->env; SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); @@ -337,8 +337,6 @@ void spapr_exit_nested(PowerPCCPU *cpu, int excp) struct kvmppc_pt_regs *regs; hwaddr len; - assert(spapr_cpu->in_nested); - nested_save_state(&l2_state, cpu); hsrr0 = env->spr[SPR_HSRR0]; hsrr1 = env->spr[SPR_HSRR1]; @@ -428,6 +426,17 @@ void spapr_exit_nested(PowerPCCPU *cpu, int excp) address_space_unmap(CPU(cpu)->as, regs, len, len, true); } +void spapr_exit_nested(PowerPCCPU *cpu, int excp) +{ + SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); + SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); + + assert(spapr_cpu->in_nested); + if (spapr->nested.api == NESTED_API_KVM_HV) { + spapr_exit_nested_hv(cpu, excp); + } +} + SpaprMachineStateNestedGuest *spapr_get_nested_guest(SpaprMachineState *spapr, target_ulong guestid) {