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authorHollis Blanchard <hollisb@us.ibm.com>2009-01-03 16:23:02 -0600
committerAvi Kivity <avi@redhat.com>2009-03-24 11:02:56 +0200
commitbe8d1cae07d5acf4a61046d7def5eda40f0981e1 (patch)
tree32560487e3fd05bb6c64c394016e9461c70b2227 /arch/powerpc
parent58a96214a306fc7fc66105097eea9c4f3bfa35bc (diff)
KVM: ppc: turn tlb_xlate() into a per-core hook (and give it a better name)
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h2
-rw-r--r--arch/powerpc/kvm/44x.c6
-rw-r--r--arch/powerpc/kvm/44x_tlb.c10
-rw-r--r--arch/powerpc/kvm/44x_tlb.h7
-rw-r--r--arch/powerpc/kvm/booke.c10
5 files changed, 15 insertions, 20 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index f661f8ba3ab..9fd70aa916d 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -59,6 +59,8 @@ extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
+extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
+ gva_t eaddr);
extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
unsigned int id);
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
index a66bec57265..8383603dd8a 100644
--- a/arch/powerpc/kvm/44x.c
+++ b/arch/powerpc/kvm/44x.c
@@ -149,8 +149,6 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
struct kvm_translation *tr)
{
- struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
- struct kvmppc_44x_tlbe *gtlbe;
int index;
gva_t eaddr;
u8 pid;
@@ -166,9 +164,7 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
return 0;
}
- gtlbe = &vcpu_44x->guest_tlb[index];
-
- tr->physical_address = tlb_xlate(gtlbe, eaddr);
+ tr->physical_address = kvmppc_mmu_xlate(vcpu, index, eaddr);
/* XXX what does "writeable" and "usermode" even mean? */
tr->valid = 1;
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index e8ed22f28ea..2f14671e8a1 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -208,6 +208,16 @@ int kvmppc_44x_tlb_index(struct kvm_vcpu *vcpu, gva_t eaddr, unsigned int pid,
return -1;
}
+gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
+ gva_t eaddr)
+{
+ struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
+ struct kvmppc_44x_tlbe *gtlbe = &vcpu_44x->guest_tlb[gtlb_index];
+ unsigned int pgmask = get_tlb_bytes(gtlbe) - 1;
+
+ return get_tlb_raddr(gtlbe) | (eaddr & pgmask);
+}
+
int kvmppc_44x_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr)
{
unsigned int as = !!(vcpu->arch.msr & MSR_IS);
diff --git a/arch/powerpc/kvm/44x_tlb.h b/arch/powerpc/kvm/44x_tlb.h
index 772191f29e6..05b6f7eef5b 100644
--- a/arch/powerpc/kvm/44x_tlb.h
+++ b/arch/powerpc/kvm/44x_tlb.h
@@ -85,11 +85,4 @@ static inline unsigned int get_mmucr_sts(const struct kvm_vcpu *vcpu)
return (vcpu->arch.mmucr >> 16) & 0x1;
}
-static inline gpa_t tlb_xlate(struct kvmppc_44x_tlbe *tlbe, gva_t eaddr)
-{
- unsigned int pgmask = get_tlb_bytes(tlbe) - 1;
-
- return get_tlb_raddr(tlbe) | (eaddr & pgmask);
-}
-
#endif /* __KVM_POWERPC_TLB_H__ */
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 85b9e2fc6c6..56d6ed69ed6 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -286,8 +286,6 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
/* XXX move to a 440-specific file. */
case BOOKE_INTERRUPT_DTLB_MISS: {
- struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
- struct kvmppc_44x_tlbe *gtlbe;
unsigned long eaddr = vcpu->arch.fault_dear;
int gtlb_index;
gpa_t gpaddr;
@@ -305,8 +303,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
break;
}
- gtlbe = &vcpu_44x->guest_tlb[gtlb_index];
- gpaddr = tlb_xlate(gtlbe, eaddr);
+ gpaddr = kvmppc_mmu_xlate(vcpu, gtlb_index, eaddr);
gfn = gpaddr >> PAGE_SHIFT;
if (kvm_is_visible_gfn(vcpu->kvm, gfn)) {
@@ -332,8 +329,6 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
/* XXX move to a 440-specific file. */
case BOOKE_INTERRUPT_ITLB_MISS: {
- struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
- struct kvmppc_44x_tlbe *gtlbe;
unsigned long eaddr = vcpu->arch.pc;
gpa_t gpaddr;
gfn_t gfn;
@@ -352,8 +347,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_account_exit(vcpu, ITLB_VIRT_MISS_EXITS);
- gtlbe = &vcpu_44x->guest_tlb[gtlb_index];
- gpaddr = tlb_xlate(gtlbe, eaddr);
+ gpaddr = kvmppc_mmu_xlate(vcpu, gtlb_index, eaddr);
gfn = gpaddr >> PAGE_SHIFT;
if (kvm_is_visible_gfn(vcpu->kvm, gfn)) {