arch/powerpc/include/asm/kvm_booke.h

   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 SUSE Linux Products GmbH 2010
  16  *
  17  * Authors: Alexander Graf <agraf@suse.de>
  18  */
  19
  20 #ifndef __ASM_KVM_BOOKE_H__
  21 #define __ASM_KVM_BOOKE_H__
  22
  23 #include <linux/types.h>
  24 #include <linux/kvm_host.h>
  25
  26 /* LPIDs we support with this build -- runtime limit may be lower */
  27 #define KVMPPC_NR_LPIDS                        64
  28
  29 #define KVMPPC_INST_EHPRIV              0x7c00021c
  30 #define EHPRIV_OC_SHIFT                 11
  31 /* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */
  32 #define EHPRIV_OC_DEBUG                 1
  33 #define KVMPPC_INST_EHPRIV_DEBUG        (KVMPPC_INST_EHPRIV | \
  34                                          (EHPRIV_OC_DEBUG << EHPRIV_OC_SHIFT))
  35
  36 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
  37 {
  38         vcpu->arch.gpr[num] = val;
  39 }
  40
  41 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
  42 {
  43         return vcpu->arch.gpr[num];
  44 }
  45
  46 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
  47 {
  48         vcpu->arch.cr = val;
  49 }
  50
  51 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
  52 {
  53         return vcpu->arch.cr;
  54 }
  55
  56 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
  57 {
  58         vcpu->arch.xer = val;
  59 }
  60
  61 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
  62 {
  63         return vcpu->arch.xer;
  64 }
  65
  66 static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
  67 {
  68         /* XXX Would need to check TLB entry */
  69         return false;
  70 }
  71
  72 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
  73 {
  74         return vcpu->arch.last_inst;
  75 }
  76
  77 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
  78 {
  79         vcpu->arch.ctr = val;
  80 }
  81
  82 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
  83 {
  84         return vcpu->arch.ctr;
  85 }
  86
  87 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
  88 {
  89         vcpu->arch.lr = val;
  90 }
  91
  92 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
  93 {
  94         return vcpu->arch.lr;
  95 }
  96
  97 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
  98 {
  99         vcpu->arch.pc = val;
 100 }
 101
 102 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
 103 {
 104         return vcpu->arch.pc;
 105 }
 106
 107 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
 108 {
 109         return vcpu->arch.fault_dear;
 110 }
 111
 112 static inline ulong kvmppc_get_msr(struct kvm_vcpu *vcpu)
 113 {
 114         return vcpu->arch.shared->msr;
 115 }
 116 #endif /* __ASM_KVM_BOOKE_H__ */