diff options
Diffstat (limited to 'arch/arm/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm/include/asm/kvm_host.h | 80 |
1 files changed, 70 insertions, 10 deletions
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index f9f27792d8ed..385070180c25 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -85,20 +85,61 @@ struct kvm_vcpu_fault_info { u32 hsr; /* Hyp Syndrome Register */ u32 hxfar; /* Hyp Data/Inst. Fault Address Register */ u32 hpfar; /* Hyp IPA Fault Address Register */ - u32 hyp_pc; /* PC when exception was taken from Hyp mode */ }; -typedef struct vfp_hard_struct kvm_cpu_context_t; +/* + * 0 is reserved as an invalid value. + * Order should be kept in sync with the save/restore code. + */ +enum vcpu_sysreg { + __INVALID_SYSREG__, + c0_MPIDR, /* MultiProcessor ID Register */ + c0_CSSELR, /* Cache Size Selection Register */ + c1_SCTLR, /* System Control Register */ + c1_ACTLR, /* Auxiliary Control Register */ + c1_CPACR, /* Coprocessor Access Control */ + c2_TTBR0, /* Translation Table Base Register 0 */ + c2_TTBR0_high, /* TTBR0 top 32 bits */ + c2_TTBR1, /* Translation Table Base Register 1 */ + c2_TTBR1_high, /* TTBR1 top 32 bits */ + c2_TTBCR, /* Translation Table Base Control R. */ + c3_DACR, /* Domain Access Control Register */ + c5_DFSR, /* Data Fault Status Register */ + c5_IFSR, /* Instruction Fault Status Register */ + c5_ADFSR, /* Auxilary Data Fault Status R */ + c5_AIFSR, /* Auxilary Instrunction Fault Status R */ + c6_DFAR, /* Data Fault Address Register */ + c6_IFAR, /* Instruction Fault Address Register */ + c7_PAR, /* Physical Address Register */ + c7_PAR_high, /* PAR top 32 bits */ + c9_L2CTLR, /* Cortex A15/A7 L2 Control Register */ + c10_PRRR, /* Primary Region Remap Register */ + c10_NMRR, /* Normal Memory Remap Register */ + c12_VBAR, /* Vector Base Address Register */ + c13_CID, /* Context ID Register */ + c13_TID_URW, /* Thread ID, User R/W */ + c13_TID_URO, /* Thread ID, User R/O */ + c13_TID_PRIV, /* Thread ID, Privileged */ + c14_CNTKCTL, /* Timer Control Register (PL1) */ + c10_AMAIR0, /* Auxilary Memory Attribute Indirection Reg0 */ + c10_AMAIR1, /* Auxilary Memory Attribute Indirection Reg1 */ + NR_CP15_REGS /* Number of regs (incl. invalid) */ +}; + +struct kvm_cpu_context { + struct kvm_regs gp_regs; + struct vfp_hard_struct vfp; + u32 cp15[NR_CP15_REGS]; +}; + +typedef struct kvm_cpu_context kvm_cpu_context_t; struct kvm_vcpu_arch { - struct kvm_regs regs; + struct kvm_cpu_context ctxt; int target; /* Processor target */ DECLARE_BITMAP(features, KVM_VCPU_MAX_FEATURES); - /* System control coprocessor (cp15) */ - u32 cp15[NR_CP15_REGS]; - /* The CPU type we expose to the VM */ u32 midr; @@ -111,9 +152,6 @@ struct kvm_vcpu_arch { /* Exception Information */ struct kvm_vcpu_fault_info fault; - /* Floating point registers (VFP and Advanced SIMD/NEON) */ - struct vfp_hard_struct vfp_guest; - /* Host FP context */ kvm_cpu_context_t *host_cpu_context; @@ -158,12 +196,14 @@ struct kvm_vcpu_stat { u64 exits; }; +#define vcpu_cp15(v,r) (v)->arch.ctxt.cp15[r] + int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init); unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu); int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices); int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); -u64 kvm_call_hyp(void *hypfn, ...); +unsigned long kvm_call_hyp(void *hypfn, ...); void force_vm_exit(const cpumask_t *mask); #define KVM_ARCH_WANT_MMU_NOTIFIER @@ -220,6 +260,11 @@ static inline void __cpu_init_hyp_mode(phys_addr_t boot_pgd_ptr, kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr); } +static inline void __cpu_init_stage2(void) +{ + kvm_call_hyp(__init_stage2_translation); +} + static inline int kvm_arch_dev_ioctl_check_extension(long ext) { return 0; @@ -242,5 +287,20 @@ static inline void kvm_arm_init_debug(void) {} static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {} static inline void kvm_arm_clear_debug(struct kvm_vcpu *vcpu) {} static inline void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu) {} +static inline int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu, + struct kvm_device_attr *attr) +{ + return -ENXIO; +} +static inline int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu, + struct kvm_device_attr *attr) +{ + return -ENXIO; +} +static inline int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu, + struct kvm_device_attr *attr) +{ + return -ENXIO; +} #endif /* __ARM_KVM_HOST_H__ */ |