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Thu, 25 Sep 2025 17:31:36 +0000 (GMT) From: Aditya Gupta To: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Nicholas Piggin , Harsh Prateek Bora Cc: Mahesh J Salgaonkar , Madhavan Srinivasan , Gautam Menghani , Mike Kowal , Miles Glenn , Ganesh Goudar , , Subject: [PATCH v10 4/8] ppc/pnv: Add XIVE2 controller to Power11 Date: Thu, 25 Sep 2025 23:00:45 +0530 Message-ID: <20250925173049.891406-5-adityag@linux.ibm.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250925173049.891406-1-adityag@linux.ibm.com> References: <20250925173049.891406-1-adityag@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=FrEF/3rq c=1 sm=1 tr=0 ts=68d57c80 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=20KFwNOVAAAA:8 a=VnNF1IyMAAAA:8 a=tpfQAHQB3AFmVhQnVeEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: 5YYN-YNEJGb6BlVmFZ555OPHCerP_-6w X-Proofpoint-GUID: uxUG8hrd_UEhjetBOu2mDZty8TmlvvuX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTE5MDIyNCBTYWx0ZWRfX+odLDrsZZMsl L/FmQ14DkO4W+7Sfz+k+XcByk8shV/ZYmxKg2491cKmTfzBFfdwwoTmneDEBaLOhhZB8jCFfq8V YgyoEwWlKnqhMKnjO17i+Xxgtr1DfxBOtW3aF86CsAuToNZunchGbxQri/Army+Chasadh1bnkG vvClivcFnZrGdgcq6PR6KAz9tDBE077zdzCiFWnBymM4Hf9gnSUUCVOPff7RZDQDGkwh+kEpHOu elM9xIx3gCtgH1uUXbfdVt05D6OMpAOv2JaeE4Yovz43Gobb4qDvG7InUfK0Ler5atA8b68B9W0 vpS6rUFdsXd/KBvjrYttVMnx4axnwuNn+2fKSHKMvRUZCBEtpuUW9GkNKt9acNLxW3Tuo1scGLn qEmNG57s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-25_01,2025-09-25_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 priorityscore=1501 malwarescore=0 adultscore=0 clxscore=1015 impostorscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509190224 Received-SPF: pass client-ip=148.163.158.5; envelope-from=adityag@linux.ibm.com; helo=mx0b-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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add a XIVE2 controller to Power11 chip and machine. The controller has the same logic as Power10. Reviewed-by: Cédric Le Goater Signed-off-by: Aditya Gupta --- hw/ppc/pnv.c | 121 ++++++++++++++++++++++++++++++++++++++++++- include/hw/ppc/pnv.h | 18 +++++++ 2 files changed, 138 insertions(+), 1 deletion(-) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index a4fdf59207fa..8097d3c09a2f 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -976,6 +976,7 @@ static void pnv_chip_power11_pic_print_info(PnvChip *chip, GString *buf) { Pnv11Chip *chip11 = PNV11_CHIP(chip); + pnv_xive2_pic_print_info(&chip11->xive, buf); pnv_psi_pic_print_info(&chip11->psi, buf); } @@ -1491,6 +1492,50 @@ static void *pnv_chip_power10_intc_get(PnvChip *chip) return &PNV10_CHIP(chip)->xive; } +static void pnv_chip_power11_intc_create(PnvChip *chip, PowerPCCPU *cpu, + Error **errp) +{ + Pnv11Chip *chip11 = PNV11_CHIP(chip); + Error *local_err = NULL; + Object *obj; + PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); + + /* + * The core creates its interrupt presenter but the XIVE2 interrupt + * controller object is initialized afterwards. Hopefully, it's + * only used at runtime. + */ + obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip11->xive), + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + pnv_cpu->intc = obj; +} + +static void pnv_chip_power11_intc_reset(PnvChip *chip, PowerPCCPU *cpu) +{ + PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); + + xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); +} + +static void pnv_chip_power11_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) +{ + PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); + + xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); + pnv_cpu->intc = NULL; +} + +static void pnv_chip_power11_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, + GString *buf) +{ + xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), buf); +} + static void *pnv_chip_power11_intc_get(PnvChip *chip) { return &PNV11_CHIP(chip)->xive; @@ -2443,6 +2488,10 @@ static void pnv_chip_power11_instance_init(Object *obj) object_initialize_child(obj, "occ", &chip11->occ, TYPE_PNV10_OCC); object_initialize_child(obj, "sbe", &chip11->sbe, TYPE_PNV10_SBE); object_initialize_child(obj, "homer", &chip11->homer, TYPE_PNV10_HOMER); + + object_initialize_child(obj, "xive", &chip11->xive, TYPE_PNV_XIVE2); + object_property_add_alias(obj, "xive-fabric", OBJECT(&chip11->xive), + "xive-fabric"); object_initialize_child(obj, "n1-chiplet", &chip11->n1_chiplet, TYPE_PNV_N1_CHIPLET); @@ -2518,7 +2567,26 @@ static void pnv_chip_power11_realize(DeviceState *dev, Error **errp) return; } - /* WIP: XIVE added in future patch */ + /* XIVE2 interrupt controller */ + object_property_set_int(OBJECT(&chip11->xive), "ic-bar", + PNV11_XIVE2_IC_BASE(chip), &error_fatal); + object_property_set_int(OBJECT(&chip11->xive), "esb-bar", + PNV11_XIVE2_ESB_BASE(chip), &error_fatal); + object_property_set_int(OBJECT(&chip11->xive), "end-bar", + PNV11_XIVE2_END_BASE(chip), &error_fatal); + object_property_set_int(OBJECT(&chip11->xive), "nvpg-bar", + PNV11_XIVE2_NVPG_BASE(chip), &error_fatal); + object_property_set_int(OBJECT(&chip11->xive), "nvc-bar", + PNV11_XIVE2_NVC_BASE(chip), &error_fatal); + object_property_set_int(OBJECT(&chip11->xive), "tm-bar", + PNV11_XIVE2_TM_BASE(chip), &error_fatal); + object_property_set_link(OBJECT(&chip11->xive), "chip", OBJECT(chip), + &error_abort); + if (!sysbus_realize(SYS_BUS_DEVICE(&chip11->xive), errp)) { + return; + } + pnv_xscom_add_subregion(chip, PNV11_XSCOM_XIVE2_BASE, + &chip11->xive.xscom_regs); /* Processor Service Interface (PSI) Host Bridge */ object_property_set_int(OBJECT(&chip11->psi), "bar", @@ -2720,6 +2788,10 @@ static void pnv_chip_power11_class_init(ObjectClass *klass, const void *data) k->chip_cfam_id = 0x220da04980000000ull; /* P11 DD2.0 (with NX) */ k->cores_mask = POWER11_CORE_MASK; k->get_pir_tir = pnv_get_pir_tir_p10; + k->intc_create = pnv_chip_power11_intc_create; + k->intc_reset = pnv_chip_power11_intc_reset; + k->intc_destroy = pnv_chip_power11_intc_destroy; + k->intc_print_info = pnv_chip_power11_intc_print_info; k->intc_get = pnv_chip_power11_intc_get; k->isa_create = pnv_chip_power11_isa_create; k->dt_populate = pnv_chip_power11_dt_populate; @@ -3073,6 +3145,45 @@ static int pnv10_xive_broadcast(XiveFabric *xfb, return 0; } +static bool pnv11_xive_match_nvt(XiveFabric *xfb, uint8_t format, + uint8_t nvt_blk, uint32_t nvt_idx, + bool crowd, bool cam_ignore, uint8_t priority, + uint32_t logic_serv, + XiveTCTXMatch *match) +{ + PnvMachineState *pnv = PNV_MACHINE(xfb); + int i; + + for (i = 0; i < pnv->num_chips; i++) { + Pnv11Chip *chip11 = PNV11_CHIP(pnv->chips[i]); + XivePresenter *xptr = XIVE_PRESENTER(&chip11->xive); + XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); + + xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, crowd, + cam_ignore, priority, logic_serv, match); + } + + return !!match->count; +} + +static int pnv11_xive_broadcast(XiveFabric *xfb, + uint8_t nvt_blk, uint32_t nvt_idx, + bool crowd, bool cam_ignore, + uint8_t priority) +{ + PnvMachineState *pnv = PNV_MACHINE(xfb); + int i; + + for (i = 0; i < pnv->num_chips; i++) { + Pnv11Chip *chip11 = PNV11_CHIP(pnv->chips[i]); + XivePresenter *xptr = XIVE_PRESENTER(&chip11->xive); + XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); + + xpc->broadcast(xptr, nvt_blk, nvt_idx, crowd, cam_ignore, priority); + } + return 0; +} + static bool pnv_machine_get_big_core(Object *obj, Error **errp) { PnvMachineState *pnv = PNV_MACHINE(obj); @@ -3251,6 +3362,7 @@ static void pnv_machine_power11_class_init(ObjectClass *oc, const void *data) { MachineClass *mc = MACHINE_CLASS(oc); PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); + XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); static const char compat[] = "qemu,powernv11\0ibm,powernv"; pmc->compat = compat; @@ -3260,6 +3372,9 @@ static void pnv_machine_power11_class_init(ObjectClass *oc, const void *data) pmc->quirk_tb_big_core = true; pmc->dt_power_mgt = pnv_dt_power_mgt; + xfc->match_nvt = pnv11_xive_match_nvt; + xfc->broadcast = pnv11_xive_broadcast; + mc->desc = "IBM PowerNV (Non-Virtualized) Power11"; mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power11_v2.0"); @@ -3393,6 +3508,10 @@ static const TypeInfo types[] = { .name = MACHINE_TYPE_NAME("powernv11"), .parent = TYPE_PNV_MACHINE, .class_init = pnv_machine_power11_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_XIVE_FABRIC }, + { }, + }, }, { .name = MACHINE_TYPE_NAME("powernv10-rainier"), diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h index f0002627bcab..cbdddfc73cd4 100644 --- a/include/hw/ppc/pnv.h +++ b/include/hw/ppc/pnv.h @@ -270,6 +270,24 @@ void pnv_bmc_set_pnor(IPMIBmc *bmc, PnvPnor *pnor); #define PNV11_PSIHB_SIZE PNV10_PSIHB_SIZE #define PNV11_PSIHB_BASE(chip) PNV10_PSIHB_BASE(chip) +#define PNV11_XIVE2_IC_SIZE PNV10_XIVE2_IC_SIZE +#define PNV11_XIVE2_IC_BASE(chip) PNV10_XIVE2_IC_BASE(chip) + +#define PNV11_XIVE2_TM_SIZE PNV10_XIVE2_TM_SIZE +#define PNV11_XIVE2_TM_BASE(chip) PNV10_XIVE2_TM_BASE(chip) + +#define PNV11_XIVE2_NVC_SIZE PNV10_XIVE2_NVC_SIZE +#define PNV11_XIVE2_NVC_BASE(chip) PNV10_XIVE2_NVC_BASE(chip) + +#define PNV11_XIVE2_NVPG_SIZE PNV10_XIVE2_NVPG_SIZE +#define PNV11_XIVE2_NVPG_BASE(chip) PNV10_XIVE2_NVPG_BASE(chip) + +#define PNV11_XIVE2_ESB_SIZE PNV10_XIVE2_ESB_SIZE +#define PNV11_XIVE2_ESB_BASE(chip) PNV10_XIVE2_ESB_BASE(chip) + +#define PNV11_XIVE2_END_SIZE PNV10_XIVE2_END_SIZE +#define PNV11_XIVE2_END_BASE(chip) PNV10_XIVE2_END_BASE(chip) + #define PNV11_OCC_SENSOR_BASE(chip) PNV10_OCC_SENSOR_BASE(chip) #endif /* PPC_PNV_H */ -- 2.50.1