Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/hfsplus

[pandora-kernel.git] / arch / powerpc / include / asm / kvm_ppc.h

diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index e264282..ecb3bc7 100644 (file)
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -30,6 +30,8 @@
 #include <linux/kvm_host.h>
 #ifdef CONFIG_PPC_BOOK3S
 #include <asm/kvm_book3s.h>
+#else
+#include <asm/kvm_booke.h>
 #endif
 
 enum emulation_result {
@@ -37,6 +39,7 @@ enum emulation_result {
        EMULATE_DO_MMIO,      /* kvm_run filled with MMIO request */
        EMULATE_DO_DCR,       /* kvm_run filled with DCR request */
        EMULATE_FAIL,         /* can't emulate this instruction */
+       EMULATE_AGAIN,        /* something went wrong. go again */
 };
 
 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
@@ -48,8 +51,11 @@ extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
                               unsigned int rt, unsigned int bytes,
                               int is_bigendian);
+extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
+                               unsigned int rt, unsigned int bytes,
+                               int is_bigendian);
 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
-                               u32 val, unsigned int bytes, int is_bigendian);
+                               u64 val, unsigned int bytes, int is_bigendian);
 
 extern int kvmppc_emulate_instruction(struct kvm_run *run,
                                       struct kvm_vcpu *vcpu);
@@ -63,6 +69,7 @@ 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 int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
 extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
 extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
 extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
@@ -88,6 +95,8 @@ extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
 extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
                                        struct kvm_interrupt *irq);
+extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
+                                         struct kvm_interrupt *irq);
 
 extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
                                   unsigned int op, int *advance);
@@ -98,82 +107,39 @@ extern int kvmppc_booke_init(void);
 extern void kvmppc_booke_exit(void);
 
 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
+extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
 
-#ifdef CONFIG_PPC_BOOK3S
-
-/* We assume we're always acting on the current vcpu */
-
-static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
-{
-       if ( num < 14 ) {
-               get_paca()->shadow_vcpu.gpr[num] = val;
-               to_book3s(vcpu)->shadow_vcpu.gpr[num] = val;
-       } else
-               vcpu->arch.gpr[num] = val;
-}
-
-static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
-{
-       if ( num < 14 )
-               return get_paca()->shadow_vcpu.gpr[num];
-       else
-               return vcpu->arch.gpr[num];
-}
-
-static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
-{
-       get_paca()->shadow_vcpu.cr = val;
-       to_book3s(vcpu)->shadow_vcpu.cr = val;
-}
-
-static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
-{
-       return get_paca()->shadow_vcpu.cr;
-}
-
-static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
-{
-       get_paca()->shadow_vcpu.xer = val;
-       to_book3s(vcpu)->shadow_vcpu.xer = val;
-}
-
-static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+/*
+ * Cuts out inst bits with ordering according to spec.
+ * That means the leftmost bit is zero. All given bits are included.
+ */
+static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
 {
-       return get_paca()->shadow_vcpu.xer;
-}
+       u32 r;
+       u32 mask;
 
-#else
+       BUG_ON(msb > lsb);
 
-static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
-{
-       vcpu->arch.gpr[num] = val;
-}
+       mask = (1 << (lsb - msb + 1)) - 1;
+       r = (inst >> (63 - lsb)) & mask;
 
-static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
-{
-       return vcpu->arch.gpr[num];
+       return r;
 }
 
-static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+/*
+ * Replaces inst bits with ordering according to spec.
+ */
+static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
 {
-       vcpu->arch.cr = val;
-}
+       u32 r;
+       u32 mask;
 
-static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
-{
-       return vcpu->arch.cr;
-}
+       BUG_ON(msb > lsb);
 
-static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
-{
-       vcpu->arch.xer = val;
-}
+       mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
+       r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
 
-static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
-{
-       return vcpu->arch.xer;
+       return r;
 }
 
-#endif
-
 #endif /* __POWERPC_KVM_PPC_H__ */