LXR linux/arch/powerpc/include/asm/kvm

   1/*
   2 * This program is free software; you can redistribute it and/or modify
   3 * it under the terms of the GNU General Public License, version 2, as
   4 * published by the Free Software Foundation.
   5 *
   6 * This program is distributed in the hope that it will be useful,
   7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 * GNU General Public License for more details.
  10 *
  11 * You should have received a copy of the GNU General Public License
  12 * along with this program; if not, write to the Free Software
  13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  14 *
  15 * Copyright IBM Corp. 2008
  16 *
  17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  18 */
  19
  20#ifndef __POWERPC_KVM_PPC_H__
  21#define __POWERPC_KVM_PPC_H__
  22
  23/* This file exists just so we can dereference kvm_vcpu, avoiding nested header
  24 * dependencies. */
  25
  26#include <linux/mutex.h>
  27#include <linux/timer.h>
  28#include <linux/types.h>
  29#include <linux/kvm_types.h>
  30#include <linux/kvm_host.h>
  31
  32enum emulation_result {
  33        EMULATE_DONE,         /* no further processing */
  34        EMULATE_DO_MMIO,      /* kvm_run filled with MMIO request */
  35        EMULATE_DO_DCR,       /* kvm_run filled with DCR request */
  36        EMULATE_FAIL,         /* can't emulate this instruction */
  37};
  38
  39extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
  40extern char kvmppc_handlers_start[];
  41extern unsigned long kvmppc_handler_len;
  42
  43extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
  44extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
  45                              unsigned int rt, unsigned int bytes,
  46                              int is_bigendian);
  47extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
  48                               u32 val, unsigned int bytes, int is_bigendian);
  49
  50extern int kvmppc_emulate_instruction(struct kvm_run *run,
  51                                      struct kvm_vcpu *vcpu);
  52extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
  53extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
  54
  55/* Core-specific hooks */
  56
  57extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
  58                           unsigned int gtlb_idx);
  59extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
  60extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
  61extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
  62extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
  63extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
  64extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
  65                              gva_t eaddr);
  66extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
  67extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
  68
  69extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
  70                                                unsigned int id);
  71extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
  72extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
  73extern int kvmppc_core_check_processor_compat(void);
  74extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
  75                                      struct kvm_translation *tr);
  76
  77extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
  78extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
  79
  80extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
  81extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
  82extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu);
  83extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
  84extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
  85                                       struct kvm_interrupt *irq);
  86
  87extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
  88                                  unsigned int op, int *advance);
  89extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
  90extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
  91
  92extern int kvmppc_booke_init(void);
  93extern void kvmppc_booke_exit(void);
  94
  95extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
  96
  97#endif /* __POWERPC_KVM_PPC_H__ */
  98