diff options
Diffstat (limited to 'include/asm-x86/kvm_para.h')
| -rw-r--r-- | include/asm-x86/kvm_para.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h index c6f3fd8d8c5..bfd9900742b 100644 --- a/include/asm-x86/kvm_para.h +++ b/include/asm-x86/kvm_para.h @@ -10,10 +10,47 @@ * paravirtualization, the appropriate feature bit should be checked. */ #define KVM_CPUID_FEATURES 0x40000001 +#define KVM_FEATURE_CLOCKSOURCE 0 +#define KVM_FEATURE_NOP_IO_DELAY 1 +#define KVM_FEATURE_MMU_OP 2 + +#define MSR_KVM_WALL_CLOCK 0x11 +#define MSR_KVM_SYSTEM_TIME 0x12 + +#define KVM_MAX_MMU_OP_BATCH 32 + +/* Operations for KVM_HC_MMU_OP */ +#define KVM_MMU_OP_WRITE_PTE 1 +#define KVM_MMU_OP_FLUSH_TLB 2 +#define KVM_MMU_OP_RELEASE_PT 3 + +/* Payload for KVM_HC_MMU_OP */ +struct kvm_mmu_op_header { + __u32 op; + __u32 pad; +}; + +struct kvm_mmu_op_write_pte { + struct kvm_mmu_op_header header; + __u64 pte_phys; + __u64 pte_val; +}; + +struct kvm_mmu_op_flush_tlb { + struct kvm_mmu_op_header header; +}; + +struct kvm_mmu_op_release_pt { + struct kvm_mmu_op_header header; + __u64 pt_phys; +}; #ifdef __KERNEL__ #include <asm/processor.h> +extern void kvmclock_init(void); + + /* This instruction is vmcall. On non-VT architectures, it will generate a * trap that we will then rewrite to the appropriate instruction. */ |