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Diffstat (limited to 'arch/powerpc/include/asm/kvm_book3s.h')
-rw-r--r--arch/powerpc/include/asm/kvm_book3s.h37
1 files changed, 23 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 4a594b76674..f52f6569452 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -186,12 +186,13 @@ extern void kvmppc_update_lpcr(struct kvm *kvm, unsigned long lpcr,
extern void kvmppc_entry_trampoline(void);
extern void kvmppc_hv_entry_trampoline(void);
-extern void kvmppc_load_up_fpu(void);
-extern void kvmppc_load_up_altivec(void);
-extern void kvmppc_load_up_vsx(void);
extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd);
+extern void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu *svcpu,
+ struct kvm_vcpu *vcpu);
+extern void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu,
+ struct kvmppc_book3s_shadow_vcpu *svcpu);
static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
{
@@ -267,16 +268,26 @@ static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
return vcpu->arch.pc;
}
-static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
+static inline u64 kvmppc_get_msr(struct kvm_vcpu *vcpu);
+static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
{
- ulong pc = kvmppc_get_pc(vcpu);
+ return (kvmppc_get_msr(vcpu) & MSR_LE) != (MSR_KERNEL & MSR_LE);
+}
+static inline u32 kvmppc_get_last_inst_internal(struct kvm_vcpu *vcpu, ulong pc)
+{
/* Load the instruction manually if it failed to do so in the
* exit path */
if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
- return vcpu->arch.last_inst;
+ return kvmppc_need_byteswap(vcpu) ? swab32(vcpu->arch.last_inst) :
+ vcpu->arch.last_inst;
+}
+
+static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
+{
+ return kvmppc_get_last_inst_internal(vcpu, kvmppc_get_pc(vcpu));
}
/*
@@ -286,14 +297,7 @@ static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
*/
static inline u32 kvmppc_get_last_sc(struct kvm_vcpu *vcpu)
{
- ulong pc = kvmppc_get_pc(vcpu) - 4;
-
- /* Load the instruction manually if it failed to do so in the
- * exit path */
- if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
- kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
-
- return vcpu->arch.last_inst;
+ return kvmppc_get_last_inst_internal(vcpu, kvmppc_get_pc(vcpu) - 4);
}
static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
@@ -301,6 +305,11 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
return vcpu->arch.fault_dar;
}
+static inline bool is_kvmppc_resume_guest(int r)
+{
+ return (r == RESUME_GUEST || r == RESUME_GUEST_NV);
+}
+
/* Magic register values loaded into r3 and r4 before the 'sc' assembly
* instruction for the OSI hypercalls */
#define OSI_SC_MAGIC_R3 0x113724FA