1 /* 2 * sPAPR CPU core device. 3 * 4 * Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com> 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 */ 9 #ifndef HW_SPAPR_CPU_CORE_H 10 #define HW_SPAPR_CPU_CORE_H 11 12 #include "hw/cpu/core.h" 13 #include "hw/qdev-core.h" 14 #include "target/ppc/cpu-qom.h" 15 #include "target/ppc/cpu.h" 16 #include "qom/object.h" 17 18 #define TYPE_SPAPR_CPU_CORE "spapr-cpu-core" 19 typedef struct SpaprCpuCore SpaprCpuCore; 20 typedef struct SpaprCpuCoreClass SpaprCpuCoreClass; 21 #define SPAPR_CPU_CORE(obj) \ 22 OBJECT_CHECK(SpaprCpuCore, (obj), TYPE_SPAPR_CPU_CORE) 23 #define SPAPR_CPU_CORE_CLASS(klass) \ 24 OBJECT_CLASS_CHECK(SpaprCpuCoreClass, (klass), TYPE_SPAPR_CPU_CORE) 25 #define SPAPR_CPU_CORE_GET_CLASS(obj) \ 26 OBJECT_GET_CLASS(SpaprCpuCoreClass, (obj), TYPE_SPAPR_CPU_CORE) 27 28 #define SPAPR_CPU_CORE_TYPE_NAME(model) model "-" TYPE_SPAPR_CPU_CORE 29 30 struct SpaprCpuCore { 31 /*< private >*/ 32 CPUCore parent_obj; 33 34 /*< public >*/ 35 PowerPCCPU **threads; 36 int node_id; 37 bool pre_3_0_migration; /* older machine don't know about SpaprCpuState */ 38 }; 39 40 struct SpaprCpuCoreClass { 41 DeviceClass parent_class; 42 const char *cpu_type; 43 }; 44 45 const char *spapr_get_cpu_core_type(const char *cpu_type); 46 void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip, 47 target_ulong r1, target_ulong r3, 48 target_ulong r4); 49 50 typedef struct SpaprCpuState { 51 uint64_t vpa_addr; 52 uint64_t slb_shadow_addr, slb_shadow_size; 53 uint64_t dtl_addr, dtl_size; 54 bool prod; /* not migrated, only used to improve dispatch latencies */ 55 struct ICPState *icp; 56 struct XiveTCTX *tctx; 57 } SpaprCpuState; 58 59 static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu) 60 { 61 return (SpaprCpuState *)cpu->machine_data; 62 } 63 64 #endif 65