diff options
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/kvm_host.h | 4 | ||||
| -rw-r--r-- | include/asm-x86/kvm_para.h | 29 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 99d31f5ed9ff..772ba95f0a0e 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -434,6 +434,10 @@ int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3); int __emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, const void *val, int bytes); +int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, + gpa_t addr, unsigned long *ret); + +extern bool tdp_enabled; enum emulation_result { EMULATE_DONE, /* no further processing */ diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h index ed5df3a54aab..509845942070 100644 --- a/include/asm-x86/kvm_para.h +++ b/include/asm-x86/kvm_para.h @@ -12,10 +12,39 @@ #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> |