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Wed, 6 Sep 2023 04:33:53 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CE6F220040; Wed, 6 Sep 2023 04:33:51 +0000 (GMT) Received: from li-1901474c-32f3-11b2-a85c-fc5ff2c001f3.in.ibm.com (unknown [9.109.242.129]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 6 Sep 2023 04:33:51 +0000 (GMT) From: Harsh Prateek Bora To: npiggin@gmail.com, danielhb413@gmail.com, qemu-ppc@nongnu.org Cc: qemu-devel@nongnu.org, mikey@neuling.org, vaibhav@linux.ibm.com, jniethe5@gmail.com, sbhat@linux.ibm.com, kconsul@linux.vnet.ibm.com Subject: [PATCH RESEND 04/15] ppc: spapr: Start using nested.api for nested kvm-hv api Date: Wed, 6 Sep 2023 10:03:22 +0530 Message-Id: <20230906043333.448244-5-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230906043333.448244-1-harshpb@linux.ibm.com> References: <20230906043333.448244-1-harshpb@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Ci9MhsrdVOXgFq8XJBv-PvhvgHsd2CO7 X-Proofpoint-GUID: v4g_-JN58DhiqYL74uZ_TmHgv5apmmKZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-05_13,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 mlxscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309060054 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org With this patch, isolating kvm-hv nested api code to be executed only when cap-nested-hv is set. This helps keeping api specific logic mutually exclusive. Signed-off-by: Michael Neuling Signed-off-by: Harsh Prateek Bora --- hw/ppc/spapr.c | 7 ++++++- hw/ppc/spapr_caps.c | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index e44686b04d..0aa9f21516 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1334,8 +1334,11 @@ static bool spapr_get_pate(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu, /* Copy PATE1:GR into PATE0:HR */ entry->dw0 = spapr->patb_entry & PATE0_HR; entry->dw1 = spapr->patb_entry; + return true; + } + assert(spapr->nested.api); - } else { + if (spapr->nested.api == NESTED_API_KVM_HV) { uint64_t patb, pats; assert(lpid != 0); @@ -3437,6 +3440,8 @@ static void spapr_instance_init(Object *obj) spapr_get_host_serial, spapr_set_host_serial); object_property_set_description(obj, "host-serial", "Host serial number to advertise in guest device tree"); + /* Nested */ + spapr->nested.api = 0; } static void spapr_machine_finalizefn(Object *obj) diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c index 5a0755d34f..a3a790b026 100644 --- a/hw/ppc/spapr_caps.c +++ b/hw/ppc/spapr_caps.c @@ -454,6 +454,7 @@ static void cap_nested_kvm_hv_apply(SpaprMachineState *spapr, return; } + spapr->nested.api = NESTED_API_KVM_HV; if (kvm_enabled()) { if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00, 0, spapr->max_compat_pvr)) {