include/hw/ppc/spapr_cpu_core.h

   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
  17 #define TYPE_SPAPR_CPU_CORE "spapr-cpu-core"
  18 #define SPAPR_CPU_CORE(obj) \
  19     OBJECT_CHECK(SpaprCpuCore, (obj), TYPE_SPAPR_CPU_CORE)
  20 #define SPAPR_CPU_CORE_CLASS(klass) \
  21     OBJECT_CLASS_CHECK(SpaprCpuCoreClass, (klass), TYPE_SPAPR_CPU_CORE)
  22 #define SPAPR_CPU_CORE_GET_CLASS(obj) \
  23      OBJECT_GET_CLASS(SpaprCpuCoreClass, (obj), TYPE_SPAPR_CPU_CORE)
  24
  25 #define SPAPR_CPU_CORE_TYPE_NAME(model) model "-" TYPE_SPAPR_CPU_CORE
  26
  27 typedef struct SpaprCpuCore {
  28     /*< private >*/
  29     CPUCore parent_obj;
  30
  31     /*< public >*/
  32     PowerPCCPU **threads;
  33     int node_id;
  34     bool pre_3_0_migration; /* older machine don't know about SpaprCpuState */
  35 } SpaprCpuCore;
  36
  37 typedef struct SpaprCpuCoreClass {
  38     DeviceClass parent_class;
  39     const char *cpu_type;
  40 } SpaprCpuCoreClass;
  41
  42 const char *spapr_get_cpu_core_type(const char *cpu_type);
  43 void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip,
  44                                target_ulong r1, target_ulong r3,
  45                                target_ulong r4);
  46
  47 typedef struct SpaprCpuState {
  48     uint64_t vpa_addr;
  49     uint64_t slb_shadow_addr, slb_shadow_size;
  50     uint64_t dtl_addr, dtl_size;
  51     bool prod; /* not migrated, only used to improve dispatch latencies */
  52     struct ICPState *icp;
  53     struct XiveTCTX *tctx;
  54 } SpaprCpuState;
  55
  56 static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu)
  57 {
  58     return (SpaprCpuState *)cpu->machine_data;
  59 }
  60
  61 #endif