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
  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
  27typedef 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
  37typedef struct SpaprCpuCoreClass {
  38    DeviceClass parent_class;
  39    const char *cpu_type;
  40} SpaprCpuCoreClass;
  41
  42const char *spapr_get_cpu_core_type(const char *cpu_type);
  43void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip,
  44                               target_ulong r1, target_ulong r3,
  45                               target_ulong r4);
  46
  47typedef 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
  56static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu)
  57{
  58    return (SpaprCpuState *)cpu->machine_data;
  59}
  60
  61#endif
  62