| 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/core/qdev.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 | OBJECT_DECLARE_TYPE(SpaprCpuCore, SpaprCpuCoreClass, |
| 20 | SPAPR_CPU_CORE) |
| 21 | |
| 22 | #define SPAPR_CPU_CORE_TYPE_NAME(model) model "-" TYPE_SPAPR_CPU_CORE |
| 23 | |
| 24 | struct SpaprCpuCore { |
| 25 | /*< private >*/ |
| 26 | CPUCore parent_obj; |
| 27 | |
| 28 | /*< public >*/ |
| 29 | PowerPCCPU **threads; |
| 30 | int node_id; |
| 31 | }; |
| 32 | |
| 33 | struct SpaprCpuCoreClass { |
| 34 | DeviceClass parent_class; |
| 35 | const char *cpu_type; |
| 36 | }; |
| 37 | |
| 38 | const char *spapr_get_cpu_core_type(const char *cpu_type); |
| 39 | void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip, |
| 40 | target_ulong r1, target_ulong r3, |
| 41 | target_ulong r4); |
| 42 | |
| 43 | struct nested_ppc_state; |
| 44 | |
| 45 | typedef struct SpaprCpuState { |
| 46 | uint64_t vpa_addr; |
| 47 | uint64_t slb_shadow_addr, slb_shadow_size; |
| 48 | uint64_t dtl_addr, dtl_size; |
| 49 | bool prod; /* not migrated, only used to improve dispatch latencies */ |
| 50 | struct ICPState *icp; |
| 51 | struct XiveTCTX *tctx; |
| 52 | |
| 53 | /* Fields for nested-HV support */ |
| 54 | bool in_nested; /* true while the L2 is executing */ |
| 55 | struct nested_ppc_state *nested_host_state; /* holds the L1 state while L2 executes */ |
| 56 | } SpaprCpuState; |
| 57 | |
| 58 | static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu) |
| 59 | { |
| 60 | return (SpaprCpuState *)cpu->machine_data; |
| 61 | } |
| 62 | |
| 63 | #endif |