diff options
Diffstat (limited to 'arch/powerpc/include/asm/kvm_ppc.h')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 269ee46ab028..18d139ec2d22 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -28,12 +28,18 @@ #include <linux/types.h> #include <linux/kvm_types.h> #include <linux/kvm_host.h> +#ifdef CONFIG_PPC_BOOK3S +#include <asm/kvm_book3s.h> +#else +#include <asm/kvm_booke.h> +#endif enum emulation_result { EMULATE_DONE, /* no further processing */ 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); @@ -45,8 +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); @@ -60,6 +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, @@ -80,10 +90,13 @@ extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu); extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); -extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu); +extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); 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); @@ -95,4 +108,37 @@ extern void kvmppc_booke_exit(void); extern void kvmppc_core_destroy_mmu(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) +{ + u32 r; + u32 mask; + + BUG_ON(msb > lsb); + + mask = (1 << (lsb - msb + 1)) - 1; + r = (inst >> (63 - lsb)) & mask; + + return r; +} + +/* + * Replaces inst bits with ordering according to spec. + */ +static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) +{ + u32 r; + u32 mask; + + BUG_ON(msb > lsb); + + mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb); + r = (inst & ~mask) | ((value << (63 - lsb)) & mask); + + return r; +} + #endif /* __POWERPC_KVM_PPC_H__ */ |