LXR qemu/include/hw/ppc/spapr_cpu

   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"
  19OBJECT_DECLARE_TYPE(SpaprCpuCore, SpaprCpuCoreClass,
  20                    SPAPR_CPU_CORE)
  21
  22#define SPAPR_CPU_CORE_TYPE_NAME(model) model "-" TYPE_SPAPR_CPU_CORE
  23
  24struct SpaprCpuCore {
  25    /*< private >*/
  26    CPUCore parent_obj;
  27
  28    /*< public >*/
  29    PowerPCCPU **threads;
  30    int node_id;
  31    bool pre_3_0_migration; /* older machine don't know about SpaprCpuState */
  32};
  33
  34struct SpaprCpuCoreClass {
  35    DeviceClass parent_class;
  36    const char *cpu_type;
  37};
  38
  39const char *spapr_get_cpu_core_type(const char *cpu_type);
  40void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip,
  41                               target_ulong r1, target_ulong r3,
  42                               target_ulong r4);
  43
  44typedef struct SpaprCpuState {
  45    uint64_t vpa_addr;
  46    uint64_t slb_shadow_addr, slb_shadow_size;
  47    uint64_t dtl_addr, dtl_size;
  48    bool prod; /* not migrated, only used to improve dispatch latencies */
  49    struct ICPState *icp;
  50    struct XiveTCTX *tctx;
  51
  52    /* Fields for nested-HV support */
  53    bool in_nested; /* true while the L2 is executing */
  54    CPUPPCState *nested_host_state; /* holds the L1 state while L2 executes */
  55    int64_t nested_tb_offset; /* L1->L2 TB offset */
  56} SpaprCpuState;
  57
  58static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu)
  59{
  60    return (SpaprCpuState *)cpu->machine_data;
  61}
  62
  63#endif
  64